slightly faster and thread safer inference

lib/core/common.py

@@ -2080,10 +2080,11 @@ def getComparePageRatio(firstPage, secondPage, filtered=False):
     if filtered:
         (firstPage, secondPage) = map(getFilteredPageContent, (firstPage, secondPage))
 
-    conf.seqMatcher.set_seq1(firstPage)
-    conf.seqMatcher.set_seq2(secondPage)
+    seqMatcher = getCurrentThreadData().seqMatcher
+    seqMatcher.set_seq1(firstPage)
+    seqMatcher.set_seq2(secondPage)
 
-    return conf.seqMatcher.quick_ratio()
+    return seqMatcher.quick_ratio()
 
 def openFile(filename, mode='r'):
     """

lib/core/option.py

@@ -1077,8 +1077,6 @@ def __setConfAttributes():
     conf.port             = None
     conf.redirectHandled  = False
     conf.scheme           = None
-    #conf.seqMatcher       = difflib.SequenceMatcher(lambda x: x in " \t")
-    conf.seqMatcher       = difflib.SequenceMatcher(None)
     conf.sessionFP        = None
     conf.start            = True
     conf.tests            = []
@@ -1135,7 +1133,6 @@ def __setKnowledgeBaseAttributes(flushAll=True):
     kb.locks           = advancedDict()
     kb.locks.cacheLock = threading.Lock()
     kb.locks.logLock   = threading.Lock()
-    kb.locks.seqLock   = None
 
     kb.matchRatio      = None
     kb.nullConnection  = None

lib/core/threads.py

@@ -7,6 +7,7 @@ Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
 See the file 'doc/COPYING' for copying permission
 """
 
+import difflib
 import threading
 
 from lib.core.data import kb
@@ -17,12 +18,13 @@ class ThreadData():
     """
 
     def __init__(self):
-        self.disableStdOut = False
-        self.lastErrorPage = None
-        self.lastHTTPError = None
-        self.lastQueryDuration = 0
-        self.lastRequestUID = 0
-        self.valueStack = []
+        self.disableStdOut      = False
+        self.lastErrorPage      = None
+        self.lastHTTPError      = None
+        self.lastQueryDuration  = 0
+        self.lastRequestUID     = 0
+        self.seqMatcher         = difflib.SequenceMatcher(None)
+        self.valueStack         = []
 
 def getCurrentThreadUID():
     return hash(threading.currentThread())