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Patch for an Issue #963

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Miroslav Stampar 2014-11-24 11:54:04 +01:00
parent 05f7b1f121
commit 816348f1ab
1 changed files with 18 additions and 3 deletions
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21
lib/core/agent.py
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@ -156,12 +156,27 @@ class Agent(object):
elif place in (PLACE.USER_AGENT, PLACE.REFERER, PLACE.HOST): elif place in (PLACE.USER_AGENT, PLACE.REFERER, PLACE.HOST):
retVal = paramString.replace(origValue, self.addPayloadDelimiters(newValue)) retVal = paramString.replace(origValue, self.addPayloadDelimiters(newValue))
else: else:
def _(pattern, repl, string):
retVal = string
match = None
for match in re.finditer(pattern, string):
pass
if match:
while True:
_ = re.search(r"\\g<([^>]+)>", repl)
if _:
repl = repl.replace(_.group(0), match.group(int(_.group(1)) if _.group(1).isdigit() else _.group(1)))
else:
break
retVal = string[:match.start()] + repl + string[match.end():]
return retVal
if origValue: if origValue:
retVal = re.sub(r"(\A|\b)%s=%s(\Z|\b)" % (re.escape(parameter), re.escape(origValue)), "%s=%s" % (parameter, self.addPayloadDelimiters(newValue.replace("\\", "\\\\"))), paramString) retVal = _(r"(\A|\b)%s=%s(\Z|\b)" % (re.escape(parameter), re.escape(origValue)), "%s=%s" % (parameter, self.addPayloadDelimiters(newValue.replace("\\", "\\\\"))), paramString)
else: else:
retVal = re.sub(r"(\A|\b)%s=%s(\Z|%s|%s|\s)" % (re.escape(parameter), re.escape(origValue), DEFAULT_GET_POST_DELIMITER, DEFAULT_COOKIE_DELIMITER), "%s=%s\g<2>" % (parameter, self.addPayloadDelimiters(newValue.replace("\\", "\\\\"))), paramString) retVal = _(r"(\A|\b)%s=%s(\Z|%s|%s|\s)" % (re.escape(parameter), re.escape(origValue), DEFAULT_GET_POST_DELIMITER, DEFAULT_COOKIE_DELIMITER), "%s=%s\g<2>" % (parameter, self.addPayloadDelimiters(newValue.replace("\\", "\\\\"))), paramString)
if retVal == paramString and urlencode(parameter) != parameter: if retVal == paramString and urlencode(parameter) != parameter:
retVal = re.sub(r"(\A|\b)%s=%s" % (re.escape(urlencode(parameter)), re.escape(origValue)), "%s=%s" % (urlencode(parameter), self.addPayloadDelimiters(newValue.replace("\\", "\\\\"))), paramString) retVal = _(r"(\A|\b)%s=%s" % (re.escape(urlencode(parameter)), re.escape(origValue)), "%s=%s" % (urlencode(parameter), self.addPayloadDelimiters(newValue.replace("\\", "\\\\"))), paramString)
return retVal return retVal