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Fixes #1336

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This commit is contained in:
Miroslav Stampar
2015-08-16 23:47:11 +02:00
parent c9d1c4d7b1
commit 023def3203
1 changed files with 3 additions and 3 deletions
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6
lib/techniques/blind/inference.py
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@@ -212,7 +212,7 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
return not result
def getChar(idx, charTbl=None, continuousOrder=True, expand=charsetType is None, shiftTable=None):
def getChar(idx, charTbl=None, continuousOrder=True, expand=charsetType is None, shiftTable=None, retried=None):
"""
continuousOrder means that distance between each two neighbour's
numerical values is exactly 1
@@ -310,7 +310,7 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
kb.originalTimeDelay = conf.timeSec
kb.timeValidCharsRun = 0
if (conf.timeSec - kb.originalTimeDelay) < MAX_TIME_REVALIDATION_STEPS:
if retried < MAX_TIME_REVALIDATION_STEPS:
errMsg = "invalid character detected. retrying.."
logger.error(errMsg)
@@ -324,7 +324,7 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
logger.debug(dbgMsg)
kb.adjustTimeDelay = ADJUST_TIME_DELAY.NO
return getChar(idx, originalTbl, continuousOrder, expand, shiftTable)
return getChar(idx, originalTbl, continuousOrder, expand, shiftTable, (retried or 0) + 1)
else:
errMsg = "unable to properly validate last character value ('%s').." % decodeIntToUnicode(retVal)
logger.error(errMsg)