Adding initial support for Informix (Issue #552)

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