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minor fix

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This commit is contained in:
Miroslav Stampar 2011-12-16 12:34:26 +00:00
parent 641055144a
commit dcf842692b
1 changed files with 6 additions and 3 deletions
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9
lib/core/common.py
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@ -2428,13 +2428,16 @@ def removeDynamicContent(page):
return page
def filterStringValue(value, regex, replace=None):
def filterStringValue(value, regex, replacement=""):
"""
Returns string value consisting only of chars satisfying supplied
regular expression (note: it has to be in form [...])
"""
return re.sub(regex.replace("[", "[^"), "", value or "")
retVal = value
if value:
retVal = re.sub(regex.replace("[", "[^") if "[^" not in regex else regex.replace("[^", "["), replacement, value)
return retVal
def filterControlChars(value):
"""
@ -2777,7 +2780,7 @@ def removeReflectiveValues(content, payload, suppressWarning=False):
if all([content, payload]) and isinstance(content, unicode) and kb.reflectiveMechanism:
payload = getUnicode(urldecode(payload.replace(PAYLOAD_DELIMITER, '')))
regex = filterStringValue(payload, r'[A-Za-z0-9]', REFLECTED_NON_ALPHA_NUM_REGEX)
regex = filterStringValue(payload, r'[A-Za-z0-9]', REFLECTED_NON_ALPHA_NUM_REGEX.encode("string-escape"))
while 2 * REFLECTED_NON_ALPHA_NUM_REGEX in regex:
regex = regex.replace(2 * REFLECTED_NON_ALPHA_NUM_REGEX, REFLECTED_NON_ALPHA_NUM_REGEX)