adding switch --eval

lib/core/common.py

@@ -3135,4 +3135,11 @@ def getHostHeader(url):
     if any(map(lambda x: retVal.endswith(':%d' % x), [80, 443])):
         retVal = retVal.split(':')[0]
 
-    return retVal
+    return retVal
+
+def executeCode(code, variables=None):
+    try:
+        exec(code, variables)
+    except Exception, ex:
+        errMsg = "an error occured while evaluating provided code ('%s'). " % ex
+        raise sqlmapGenericException, errMsg

lib/core/option.py

@@ -1402,7 +1402,6 @@ def __setKnowledgeBaseAttributes(flushAll=True):
     kb.dynamicMarkings = []
     kb.dynamicParameters = False
     kb.endDetection = False
-    kb.httpErrorCodes = {}
     kb.explicitSettings = set()
     kb.errorIsNone = True
     kb.forcedDbms = None
@@ -1411,6 +1410,8 @@ def __setKnowledgeBaseAttributes(flushAll=True):
     kb.heuristicTest = None
     kb.hintValue = None
     kb.htmlFp = []
+    kb.httpErrorCodes = {}
+    kb.inferenceMode = False
     kb.ignoreTimeout = False
     kb.injection = InjectionDict()
     kb.injections = []

lib/core/optiondict.py

@@ -44,7 +44,8 @@ optDict = {
                                "retries":           "integer",
                                "scope":             "string",
                                "safUrl":            "string",
-                               "saFreq":            "integer"
+                               "saFreq":            "integer",
+                               "evalCode":          "string"
                              },
 
             "Optimization":  {