Adding initial support for Informix (Issue #552)

plugins/dbms/informix/__init__.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2016 sqlmap developers (http://sqlmap.org/)
+See the file 'doc/COPYING' for copying permission
+"""
+
+from lib.core.enums import DBMS
+from lib.core.settings import INFORMIX_SYSTEM_DBS
+from lib.core.unescaper import unescaper
+
+from plugins.dbms.informix.enumeration import Enumeration
+from plugins.dbms.informix.filesystem import Filesystem
+from plugins.dbms.informix.fingerprint import Fingerprint
+from plugins.dbms.informix.syntax import Syntax
+from plugins.dbms.informix.takeover import Takeover
+from plugins.generic.misc import Miscellaneous
+
+class InformixMap(Syntax, Fingerprint, Enumeration, Filesystem, Miscellaneous, Takeover):
+    """
+    This class defines Informix methods
+    """
+
+    def __init__(self):
+        self.excludeDbsList = INFORMIX_SYSTEM_DBS
+
+        Syntax.__init__(self)
+        Fingerprint.__init__(self)
+        Enumeration.__init__(self)
+        Filesystem.__init__(self)
+        Miscellaneous.__init__(self)
+        Takeover.__init__(self)
+
+    unescaper[DBMS.INFORMIX] = Syntax.escape

plugins/dbms/informix/connector.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2016 sqlmap developers (http://sqlmap.org/)
+See the file 'doc/COPYING' for copying permission
+"""
+
+try:
+    import ibm_db_dbi
+except ImportError:
+    pass
+
+import logging
+
+from lib.core.data import conf
+from lib.core.data import logger
+from lib.core.exception import SqlmapConnectionException
+from plugins.generic.connector import Connector as GenericConnector
+
+class Connector(GenericConnector):
+    """
+    Homepage: http://code.google.com/p/ibm-db/
+    User guide: http://code.google.com/p/ibm-db/wiki/README
+    API: http://www.python.org/dev/peps/pep-0249/
+    License: Apache License 2.0
+    """
+
+    def __init__(self):
+        GenericConnector.__init__(self)
+
+    def connect(self):
+        self.initConnection()
+
+        try:
+            database = "DATABASE=%s;HOSTNAME=%s;PORT=%s;PROTOCOL=TCPIP;" % (self.db, self.hostname, self.port)
+            self.connector = ibm_db_dbi.connect(database, self.user, self.password)
+        except ibm_db_dbi.OperationalError, msg:
+            raise SqlmapConnectionException(msg)
+
+
+        self.initCursor()
+        self.printConnected()
+
+    def fetchall(self):
+        try:
+            return self.cursor.fetchall()
+        except ibm_db_dbi.ProgrammingError, msg:
+            logger.log(logging.WARN if conf.dbmsHandler else logging.DEBUG, "(remote) %s" % msg[1])
+            return None
+
+    def execute(self, query):
+        try:
+            self.cursor.execute(query)
+        except (ibm_db_dbi.OperationalError, ibm_db_dbi.ProgrammingError), msg:
+            logger.log(logging.WARN if conf.dbmsHandler else logging.DEBUG, "(remote) %s" % msg[1])
+        except ibm_db_dbi.InternalError, msg:
+            raise SqlmapConnectionException(msg[1])
+
+        self.connector.commit()
+
+    def select(self, query):
+        self.execute(query)
+        return self.fetchall()

plugins/dbms/informix/enumeration.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2016 sqlmap developers (http://sqlmap.org/)
+See the file 'doc/COPYING' for copying permission
+"""
+
+
+from lib.core.data import logger
+from plugins.generic.enumeration import Enumeration as GenericEnumeration
+
+class Enumeration(GenericEnumeration):
+    def __init__(self):
+        GenericEnumeration.__init__(self)

plugins/dbms/informix/filesystem.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2016 sqlmap developers (http://sqlmap.org/)
+See the file 'doc/COPYING' for copying permission
+"""
+
+from plugins.generic.filesystem import Filesystem as GenericFilesystem
+
+class Filesystem(GenericFilesystem):
+    def __init__(self):
+        GenericFilesystem.__init__(self)

plugins/dbms/informix/fingerprint.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2016 sqlmap developers (http://sqlmap.org/)
+See the file 'doc/COPYING' for copying permission
+"""
+
+import re
+
+from lib.core.common import Backend
+from lib.core.common import Format
+from lib.core.data import conf
+from lib.core.data import kb
+from lib.core.data import logger
+from lib.core.enums import DBMS
+from lib.core.session import setDbms
+from lib.core.settings import INFORMIX_ALIASES
+from lib.request import inject
+from plugins.generic.fingerprint import Fingerprint as GenericFingerprint
+
+class Fingerprint(GenericFingerprint):
+    def __init__(self):
+        GenericFingerprint.__init__(self, DBMS.INFORMIX)
+
+    def getFingerprint(self):
+        value = ""
+        wsOsFp = Format.getOs("web server", kb.headersFp)
+
+        if wsOsFp:
+            value += "%s\n" % wsOsFp
+
+        if kb.data.banner:
+            dbmsOsFp = Format.getOs("back-end DBMS", kb.bannerFp)
+
+            if dbmsOsFp:
+                value += "%s\n" % dbmsOsFp
+
+        value += "back-end DBMS: "
+
+        if not conf.extensiveFp:
+            value += DBMS.INFORMIX
+            return value
+
+        actVer = Format.getDbms()
+        blank = " " * 15
+        value += "active fingerprint: %s" % actVer
+
+        if kb.bannerFp:
+            banVer = kb.bannerFp["dbmsVersion"] if 'dbmsVersion' in kb.bannerFp else None
+            banVer = Format.getDbms([banVer])
+            value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
+
+        htmlErrorFp = Format.getErrorParsedDBMSes()
+
+        if htmlErrorFp:
+            value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp)
+
+        return value
+
+    def checkDbms(self):
+        if not conf.extensiveFp and (Backend.isDbmsWithin(INFORMIX_ALIASES) or (conf.dbms or "").lower() in INFORMIX_ALIASES):
+            setDbms(DBMS.INFORMIX)
+
+            self.getBanner()
+
+            return True
+
+        infoMsg = "testing %s" % DBMS.INFORMIX
+        logger.info(infoMsg)
+
+        result = inject.checkBooleanExpression("[RANDNUM]=(SELECT [RANDNUM] FROM SYSMASTER:SYSDUAL)")
+
+        if result:
+            infoMsg = "confirming %s" % DBMS.INFORMIX
+            logger.info(infoMsg)
+
+            result = inject.checkBooleanExpression("(SELECT DBINFO('DBNAME') FROM SYSMASTER:SYSDUAL) IS NOT NULL")
+
+            if not result:
+                warnMsg = "the back-end DBMS is not %s" % DBMS.INFORMIX
+                logger.warn(warnMsg)
+
+                return False
+
+            setDbms(DBMS.INFORMIX)
+
+            self.getBanner()
+
+            if not conf.extensiveFp:
+                return True
+
+            infoMsg = "actively fingerprinting %s" % DBMS.INFORMIX
+            logger.info(infoMsg)
+
+            for version in ("12.1", "11.7", "11.5"):
+                output = inject.checkBooleanExpression("EXISTS(SELECT 1 FROM SYSMASTER:SYSDUAL WHERE DBINFO('VERSION,'FULL') LIKE '%%%s%%')" % version)
+
+                if output:
+                    Backend.setVersion(version)
+                    break
+
+            return True
+        else:
+            warnMsg = "the back-end DBMS is not %s" % DBMS.INFORMIX
+            logger.warn(warnMsg)
+
+            return False

plugins/dbms/informix/syntax.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2016 sqlmap developers (http://sqlmap.org/)
+See the file 'doc/COPYING' for copying permission
+"""
+
+import re
+
+from lib.core.common import randomStr
+from plugins.generic.syntax import Syntax as GenericSyntax
+
+class Syntax(GenericSyntax):
+    def __init__(self):
+        GenericSyntax.__init__(self)
+
+    @staticmethod
+    def escape(expression, quote=True):
+        """
+        >>> Syntax.escape("SELECT 'abcdefgh' FROM foobar")
+        'SELECT CHR(97)||CHR(98)||CHR(99)||CHR(100)||CHR(101)||CHR(102)||CHR(103)||CHR(104) FROM foobar'
+        """
+
+        def escaper(value):
+            return "||".join("CHR(%d)" % ord(_) for _ in value)
+
+        excluded = {}
+        for _ in re.findall(r"DBINFO\([^)]+\)", expression):
+            excluded[_] = randomStr()
+            expression = expression.replace(_, excluded[_])
+
+        retVal = Syntax._escape(expression, quote, escaper)
+
+        for _ in excluded.items():
+            retVal = retVal.replace(_[1], _[0])
+
+        return retVal

plugins/dbms/informix/takeover.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2016 sqlmap developers (http://sqlmap.org/)
+See the file 'doc/COPYING' for copying permission
+"""
+
+from plugins.generic.takeover import Takeover as GenericTakeover
+
+class Takeover(GenericTakeover):
+    def __init__(self):
+        self.__basedir = None
+        self.__datadir = None
+
+        GenericTakeover.__init__(self)