Exemple #1
0
def action():
    """
    This function exploit the SQL injection on the affected
    URL parameter and extract requested data from the
    back-end database management system or operating system
    if possible
    """

    # First of all we have to identify the back-end database management
    # system to be able to go ahead with the injection
    setHandler()

    if not Backend.getDbms() or not conf.dbmsHandler:
        htmlParsed = Format.getErrorParsedDBMSes()

        errMsg = "sqlmap was not able to fingerprint the "
        errMsg += "back-end database management system"

        if htmlParsed:
            errMsg += ", but from the HTML error page it was "
            errMsg += "possible to determinate that the "
            errMsg += "back-end DBMS is %s" % htmlParsed

        if htmlParsed and htmlParsed.lower() in SUPPORTED_DBMS:
            errMsg += ". Do not specify the back-end DBMS manually, "
            errMsg += "sqlmap will fingerprint the DBMS for you"
        elif kb.nullConnection:
            errMsg += ". You can try to rerun without using optimization "
            errMsg += "switch '%s'" % ("-o" if conf.optimize else
                                       "--null-connection")

        raise SqlmapUnsupportedDBMSException(errMsg)

    conf.dumper.singleString(conf.dbmsHandler.getFingerprint())

    # Enumeration options
    if conf.getBanner:
        conf.dumper.banner(conf.dbmsHandler.getBanner())

    if conf.getCurrentUser:
        conf.dumper.currentUser(conf.dbmsHandler.getCurrentUser())

    if conf.getCurrentDb:
        conf.dumper.currentDb(conf.dbmsHandler.getCurrentDb())

    if conf.getHostname:
        conf.dumper.hostname(conf.dbmsHandler.getHostname())

    if conf.isDba:
        conf.dumper.dba(conf.dbmsHandler.isDba())

    if conf.getUsers:
        conf.dumper.users(conf.dbmsHandler.getUsers())

    if conf.getStatements:
        conf.dumper.statements(conf.dbmsHandler.getStatements())

    if conf.getPasswordHashes:
        try:
            conf.dumper.userSettings(
                "database management system users password hashes",
                conf.dbmsHandler.getPasswordHashes(), "password hash",
                CONTENT_TYPE.PASSWORDS)
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.getPrivileges:
        try:
            conf.dumper.userSettings(
                "database management system users privileges",
                conf.dbmsHandler.getPrivileges(), "privilege",
                CONTENT_TYPE.PRIVILEGES)
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.getRoles:
        try:
            conf.dumper.userSettings("database management system users roles",
                                     conf.dbmsHandler.getRoles(), "role",
                                     CONTENT_TYPE.ROLES)
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.getDbs:
        try:
            conf.dumper.dbs(conf.dbmsHandler.getDbs())
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.getTables:
        try:
            conf.dumper.dbTables(conf.dbmsHandler.getTables())
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.commonTables:
        try:
            conf.dumper.dbTables(tableExists(paths.COMMON_TABLES))
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.getSchema:
        try:
            conf.dumper.dbTableColumns(conf.dbmsHandler.getSchema(),
                                       CONTENT_TYPE.SCHEMA)
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.getColumns:
        try:
            conf.dumper.dbTableColumns(conf.dbmsHandler.getColumns(),
                                       CONTENT_TYPE.COLUMNS)
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.getCount:
        try:
            conf.dumper.dbTablesCount(conf.dbmsHandler.getCount())
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.commonColumns:
        try:
            conf.dumper.dbTableColumns(columnExists(paths.COMMON_COLUMNS))
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.dumpTable:
        try:
            conf.dbmsHandler.dumpTable()
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.dumpAll:
        try:
            conf.dbmsHandler.dumpAll()
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.search:
        try:
            conf.dbmsHandler.search()
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    if conf.sqlQuery:
        for query in conf.sqlQuery.strip(';').split(';'):
            query = query.strip()
            if query:
                conf.dumper.sqlQuery(query, conf.dbmsHandler.sqlQuery(query))

    if conf.sqlShell:
        conf.dbmsHandler.sqlShell()

    if conf.sqlFile:
        conf.dbmsHandler.sqlFile()

    # User-defined function options
    if conf.udfInject:
        conf.dbmsHandler.udfInjectCustom()

    # File system options
    if conf.fileRead:
        conf.dumper.rFile(conf.dbmsHandler.readFile(conf.fileRead))

    if conf.fileWrite:
        conf.dbmsHandler.writeFile(conf.fileWrite, conf.fileDest,
                                   conf.fileWriteType)

    if conf.commonFiles:
        try:
            conf.dumper.rFile(fileExists(paths.COMMON_FILES))
        except SqlmapNoneDataException as ex:
            logger.critical(ex)
        except:
            raise

    # Operating system options
    if conf.osCmd:
        conf.dbmsHandler.osCmd()

    if conf.osShell:
        conf.dbmsHandler.osShell()

    if conf.osPwn:
        conf.dbmsHandler.osPwn()

    if conf.osSmb:
        conf.dbmsHandler.osSmb()

    if conf.osBof:
        conf.dbmsHandler.osBof()

    # Windows registry options
    if conf.regRead:
        conf.dumper.registerValue(conf.dbmsHandler.regRead())

    if conf.regAdd:
        conf.dbmsHandler.regAdd()

    if conf.regDel:
        conf.dbmsHandler.regDel()

    # Miscellaneous options
    if conf.cleanup:
        conf.dbmsHandler.cleanup()

    if conf.direct:
        conf.dbmsConnector.close()
Exemple #2
0
    def getColumns(self, onlyColNames=False, colTuple=None, bruteForce=None, dumpMode=False):
        self.forceDbmsEnum()

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

            conf.db = self.getCurrentDb()

            if not conf.db:
                errMsg = "unable to retrieve the current "
                errMsg += "database name"
                raise SqlmapNoneDataException(errMsg)

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

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

        conf.db = safeSQLIdentificatorNaming(conf.db)

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

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

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

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

        colList = filter(None, colList)

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

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

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

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

                tblList = list(tblList)
            elif not conf.search:
                errMsg = "unable to retrieve the tables "
                errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                raise SqlmapNoneDataException(errMsg)
            else:
                return kb.data.cachedColumns

        tblList = filter(None, (safeSQLIdentificatorNaming(_, True) for _ in tblList))

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

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

        if bruteForce:
            resumeAvailable = False

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

            if resumeAvailable and not conf.freshQueries or colList:
                columns = {}

                for column in colList:
                    columns[column] = None

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

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

                return kb.data.cachedColumns

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

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

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

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

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

                infoMsg = "fetching columns "
                condQuery = ""

                if len(colList) > 0:
                    if colTuple:
                        _, colCondParam = colTuple
                        infoMsg += "LIKE '%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
                    else:
                        colCondParam = "='%s'"
                        infoMsg += "'%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))

                    condQueryStr = "%%s%s" % colCondParam
                    condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))

                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
                    query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
                    query += condQuery
                elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
                    query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(conf.db.upper()))
                    query += condQuery
                elif Backend.isDbms(DBMS.MSSQL):
                    query = rootQuery.inband.query % (conf.db, conf.db, conf.db, conf.db,
                                                      conf.db, conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl).split(".")[-1])
                    query += condQuery.replace("[DB]", conf.db)
                elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD):
                    query = rootQuery.inband.query % 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
Exemple #3
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()

        elif conf.db is not None:
            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:
            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)

        if conf.tbl:
            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 += "on database '%s'" % unsafeSQLIdentificatorNaming(
                    conf.db)
                raise SqlmapNoneDataException(errMsg)

        for tbl in tblList:
            tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, 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? [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[DBMS.MAXDB].columns

        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]}

            if dumpMode and colList:
                table = {}
                table[safeSQLIdentificatorNaming(tbl)] = dict(
                    (_, None) for _ in colList)
                kb.data.cachedColumns[safeSQLIdentificatorNaming(
                    conf.db)] = table
                continue

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

            randStr = randomStr()
            query = rootQuery.inband.query % (
                unsafeSQLIdentificatorNaming(tbl),
                ("'%s'" % unsafeSQLIdentificatorNaming(conf.db))
                if unsafeSQLIdentificatorNaming(conf.db) != "USER" else 'USER')
            retVal = pivotDumpTable("(%s) AS %s" % (query, randStr), [
                '%s.columnname' % randStr,
                '%s.datatype' % randStr,
                '%s.len' % randStr
            ],
                                    blind=True)

            if retVal:
                table = {}
                columns = {}

                for columnname, datatype, length in zip(
                        retVal[0]["%s.columnname" % randStr],
                        retVal[0]["%s.datatype" % randStr],
                        retVal[0]["%s.len" % randStr]):
                    columns[safeSQLIdentificatorNaming(
                        columnname)] = "%s(%s)" % (datatype, length)

                table[tbl] = columns
                kb.data.cachedColumns[conf.db] = table

        return kb.data.cachedColumns
Exemple #4
0
        conf.dumper.dbTables(conf.dbmsHandler.getTables())

    if conf.commonTables:
        conf.dumper.dbTables(tableExists(paths.COMMON_TABLES))

    if conf.getSchema:
        conf.dumper.dbTableColumns(conf.dbmsHandler.getSchema(), CONTENT_TYPE.SCHEMA)

    if conf.getColumns:
        conf.dumper.dbTableColumns(conf.dbmsHandler.getColumns(), CONTENT_TYPE.COLUMNS)

    if conf.getCount:
        conf.dumper.dbTablesCount(conf.dbmsHandler.getCount())

    if conf.commonColumns:
        conf.dumper.dbTableColumns(columnExists(paths.COMMON_COLUMNS))

    if conf.dumpTable:
        conf.dbmsHandler.dumpTable()

    if conf.dumpAll:
        conf.dbmsHandler.dumpAll()

    if conf.search:
        conf.dbmsHandler.search()

    if conf.query:
        conf.dumper.query(conf.query, conf.dbmsHandler.sqlQuery(conf.query))

    if conf.sqlShell:
        conf.dbmsHandler.sqlShell()
Exemple #5
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, DBMS.MCKOI) else "[y/N/q]")
            choice = readInput(message, default='Y' if 'Y' in message else 'N').upper()

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

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

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

                return

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

        if conf.exclude:
            colList = [_ for _ in colList if re.search(conf.exclude, _, re.I) is None]

        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 UPPER_CASE_DBMSES:
                column = column.upper()
                conf.db = conf.db.upper() if conf.db else conf.db
                conf.tbl = conf.tbl.upper() if conf.tbl else conf.tbl

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

            foundCols[column] = {}

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

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

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

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

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

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

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

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

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

                        if db is None or tbl is None:
                            continue

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

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

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

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

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

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

                        kb.data.cachedColumns = {}

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

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

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

                        continue

                    indexRange = getLimitRange(count)

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

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

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

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

                origDb = conf.db
                origTbl = conf.tbl

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

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

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

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

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

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

                            continue

                        indexRange = getLimitRange(count)

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

                            if query.endswith("'%s')"):
                                query = query[:-1] + " AND %s)" % (colQuery + whereTblsQuery)
                            elif " ORDER BY " in query:
                                query = query.replace(" ORDER BY ", " AND %s ORDER BY " % (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)
Exemple #6
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()

        elif conf.db is not None:
            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:
            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)

        if conf.tbl:
            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 += "on database '%s'" % unsafeSQLIdentificatorNaming(
                    conf.db)
                raise SqlmapNoneDataException(errMsg)

        for tbl in tblList:
            tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, 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? [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[DBMS.SYBASE].columns

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

        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]}

            if dumpMode and colList:
                table = {}
                table[safeSQLIdentificatorNaming(tbl, True)] = dict(
                    (_, None) for _ in colList)
                kb.data.cachedColumns[safeSQLIdentificatorNaming(
                    conf.db)] = table
                continue

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

            for blind in blinds:
                query = rootQuery.inband.query % (
                    conf.db, conf.db, conf.db, conf.db, conf.db, conf.db,
                    conf.db, unsafeSQLIdentificatorNaming(tbl))
                retVal = pivotDumpTable(
                    "(%s) AS %s" % (query, kb.aliasName),
                    ['%s.name' % kb.aliasName,
                     '%s.usertype' % kb.aliasName],
                    blind=blind,
                    alias=kb.aliasName)

                if retVal:
                    table = {}
                    columns = {}

                    for name, type_ in filterPairValues(
                            zip(retVal[0]["%s.name" % kb.aliasName],
                                retVal[0]["%s.usertype" % kb.aliasName])):
                        columns[name] = SYBASE_TYPES.get(
                            int(type_) if isinstance(type_, basestring)
                            and type_.isdigit() else type_, type_)

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

                    break

        return kb.data.cachedColumns
Exemple #7
0
    def searchColumn(self):
        bruteForce = False

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

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

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

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

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

                return

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

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

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

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

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

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

            foundCols[column] = {}

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

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

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

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

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

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

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

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

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

                        if db is None or tbl is None:
                            continue

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

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

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

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

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

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

                        kb.data.cachedColumns = {}

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

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

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

                        continue

                    indexRange = getLimitRange(count)

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

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

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

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

                origDb = conf.db
                origTbl = conf.tbl

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

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

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

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

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

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

                            continue

                        indexRange = getLimitRange(count)

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

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

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

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

                            tbl = safeSQLIdentificatorNaming(tbl, True)

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

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

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

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

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

                            kb.data.cachedColumns = {}

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

        if dbs:
            conf.dumper.dbColumns(foundCols, colConsider, dbs)
            self.dumpFoundColumn(dbs, foundCols, colConsider)
        else:
            warnMsg = "no databases have tables containing any of the "
            warnMsg += "provided columns"
            logger.warn(warnMsg)
Exemple #8
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()

        elif conf.db is not None:
            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:
            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)

        if conf.tbl:
            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 += "on database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                raise SqlmapNoneDataException(errMsg)

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

        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? [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[DBMS.SYBASE].columns

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

        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]}

            if dumpMode and colList:
                table = {}
                table[safeSQLIdentificatorNaming(tbl)] = dict((_, None) for _ in colList)
                kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table
                continue

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

            for blind in blinds:
                randStr = randomStr()
                query = rootQuery.inband.query % (conf.db, conf.db, conf.db, conf.db, conf.db, conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl))
                retVal = pivotDumpTable("(%s) AS %s" % (query, randStr), ['%s.name' % randStr, '%s.usertype' % randStr], blind=blind)

                if retVal:
                    table = {}
                    columns = {}

                    for name, type_ in filterPairValues(zip(retVal[0]["%s.name" % randStr], retVal[0]["%s.usertype" % randStr])):
                        columns[name] = SYBASE_TYPES.get(int(type_) if isinstance(type_, basestring) and type_.isdigit() else type_, type_)

                    table[safeSQLIdentificatorNaming(tbl)] = columns
                    kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table

                    break

        return kb.data.cachedColumns
Exemple #9
0
    if conf.commonTables:
        conf.dumper.dbTables(tableExists(paths.COMMON_TABLES))

    if conf.getSchema:
        conf.dumper.dbTableColumns(conf.dbmsHandler.getSchema(),
                                   CONTENT_TYPE.SCHEMA)

    if conf.getColumns:
        conf.dumper.dbTableColumns(conf.dbmsHandler.getColumns(),
                                   CONTENT_TYPE.COLUMNS)

    if conf.getCount:
        conf.dumper.dbTablesCount(conf.dbmsHandler.getCount())

    if conf.commonColumns:
        conf.dumper.dbTableColumns(columnExists(paths.COMMON_COLUMNS))

    if conf.dumpTable:
        conf.dbmsHandler.dumpTable()

    if conf.dumpAll:
        conf.dbmsHandler.dumpAll()

    if conf.search:
        conf.dbmsHandler.search()

    if conf.query:
        conf.dumper.query(conf.query, conf.dbmsHandler.sqlQuery(conf.query))

    if conf.sqlShell:
        conf.dbmsHandler.sqlShell()
Exemple #10
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()

        elif conf.db is not None:
            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:
            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)

        if conf.tbl:
            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 += "on database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                raise SqlmapNoneDataException(errMsg)

        for tbl in tblList:
            tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, 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? [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[DBMS.MAXDB].columns

        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]}

            if dumpMode and colList:
                table = {}
                table[safeSQLIdentificatorNaming(tbl, True)] = dict((_, None) for _ in colList)
                kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table
                continue

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

            query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl), ("'%s'" % unsafeSQLIdentificatorNaming(conf.db)) if unsafeSQLIdentificatorNaming(conf.db) != "USER" else 'USER')
            retVal = pivotDumpTable("(%s) AS %s" % (query, kb.aliasName), ['%s.columnname' % kb.aliasName, '%s.datatype' % kb.aliasName, '%s.len' % kb.aliasName], blind=True)

            if retVal:
                table = {}
                columns = {}

                for columnname, datatype, length in zip(retVal[0]["%s.columnname" % kb.aliasName], retVal[0]["%s.datatype" % kb.aliasName], retVal[0]["%s.len" % kb.aliasName]):
                    columns[safeSQLIdentificatorNaming(columnname)] = "%s(%s)" % (datatype, length)

                table[tbl] = columns
                kb.data.cachedColumns[conf.db] = table

        return kb.data.cachedColumns