some refactoring

lib/controller/checks.py

@@ -16,6 +16,7 @@ from lib.core.common import beep
 from lib.core.common import extractRegexResult
 from lib.core.common import findDynamicContent
 from lib.core.common import getCompiledRegex
+from lib.core.common import getErrorParsedDBMS
 from lib.core.common import getInjectionTests
 from lib.core.common import getUnicode
 from lib.core.common import popValue
@@ -139,9 +140,9 @@ def checkSqlInjection(place, parameter, value):
 
                     continue
 
-                if kb.htmlFp and kb.htmlFp[-1] and kb.htmlFp[-1] != dbms\
+                if getErrorParsedDBMS() and getErrorParsedDBMS() != dbms\
                   and kb.skipTests is None:
-                    message = "heuristic test showed that the back-end DBMS could be '%s'." % kb.htmlFp[-1]
+                    message = "heuristic test showed that the back-end DBMS could be '%s'." % getErrorParsedDBMS()
                     message += " do you want to skip test payloads specific for other DBMSes? [Y/n]"
                     kb.skipTests = conf.realTest or readInput(message, default="Y") not in ("n", "N")
 
@@ -149,7 +150,7 @@ def checkSqlInjection(place, parameter, value):
                     debugMsg = "skipping test '%s' because " % title
                     debugMsg += "the heuristic test showed that "
                     debugMsg += "the back-end DBMS could be "
-                    debugMsg += "%s" % kb.htmlFp[-1]
+                    debugMsg += "%s" % getErrorParsedDBMS()
                     logger.debug(debugMsg)
 
                     continue
@@ -472,7 +473,7 @@ def heuristicCheckSqlInjection(place, parameter, value):
     infoMsg += "parameter '%s' might " % parameter
 
     if result:
-        infoMsg += "be injectable (possible DBMS: %s)" % (kb.htmlFp[-1] if kb.htmlFp else 'Unknown')
+        infoMsg += "be injectable (possible DBMS: %s)" % (getErrorParsedDBMS() or 'Unknown')
         logger.info(infoMsg)
     else:
         infoMsg += "not be injectable"

lib/controller/handler.py

@@ -7,6 +7,7 @@ Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
 See the file 'doc/COPYING' for copying permission
 """
 
+from lib.core.common import getErrorParsedDBMS
 from lib.core.common import popValue
 from lib.core.common import pushValue
 from lib.core.data import conf
@@ -62,7 +63,7 @@ def setHandler():
                   ( SYBASE_ALIASES, SybaseMap, SybaseConn ),
                 ]
 
-    inferencedDbms = (kb.htmlFp[-1] if kb.htmlFp else None) or kb.dbms
+    inferencedDbms = getErrorParsedDBMS() or kb.dbms
 
     for injection in kb.injections:
         if hasattr(injection, "dbms") and injection.dbms:

lib/core/common.py

@@ -1919,8 +1919,8 @@ def getInjectionTests():
     detected DBMS from error messages
     """
     retVal = conf.tests
-    if kb.htmlFp:
-        dbms = kb.htmlFp[-1]
+    if getErrorParsedDBMS():
+        dbms = getErrorParsedDBMS()
         retVal = sorted(retVal, key=lambda test: False\
           if 'details' in test and 'dbms' in test.details\
           and test.details.dbms == dbms else True)
@@ -1953,3 +1953,6 @@ def unicodeToSafeHTMLValue(value):
             if ord(char) > 127:
                 retVal = retVal.replace(char, "&#%d;" % ord(char))
     return retVal
+
+def getErrorParsedDBMS():
+    return kb.htmlFp[0] if kb.htmlFp else None