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update regarding boolean based expressions

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This commit is contained in:
Miroslav Stampar 2010-12-09 21:15:18 +00:00
parent d5fb921154
commit 441fc8dbd9
1 changed files with 26 additions and 2 deletions
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28
lib/request/inject.py
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@ -94,6 +94,27 @@ def __goInferenceFields(expression, expressionFields, expressionFieldsList, payl
return outputs
def __goBooleanProxy(expression, resumeValue=True):
kb.pageTemplate = getPageTemplate(kb.injection.data[kb.technique].templatePayload, kb.injection.place)
vector = kb.injection.data[kb.technique].vector
vector = vector.replace("[INFERENCE]", "(%s)" % expression)
vector = agent.cleanupPayload(vector)
query = agent.prefixQuery(vector)
query = agent.suffixQuery(query)
payload = agent.payload(newValue=query)
if resumeValue:
output = resume(expression, payload)
else:
output = None
if not output:
output = Request.queryPage(payload)
return output
def __goInferenceProxy(expression, fromUser=False, expected=None, batch=False, resumeValue=True, unpack=True, charsetType=None, firstChar=None, lastChar=None):
"""
Retrieve the output of a SQL query characted by character taking
@ -410,7 +431,10 @@ def getValue(expression, blind=True, inband=True, error=True, time=True, fromUse
if blind and kb.booleanTest and not found:
kb.technique = PAYLOAD.TECHNIQUE.BOOLEAN
value = __goInferenceProxy(expression, fromUser, expected, batch, resumeValue, unpack, charsetType, firstChar, lastChar)
if expected == "bool":
value = __goBooleanProxy(expression, resumeValue)
else:
value = __goInferenceProxy(expression, fromUser, expected, batch, resumeValue, unpack, charsetType, firstChar, lastChar)
found = value or (value is None and expectingNone)
if time and (kb.timeTest or kb.stackedTest) and not found:
@ -455,4 +479,4 @@ def goStacked(expression, silent=False):
return payload, page
def checkBooleanExpression(expression, expectingNone=False):
return getValue(agent.forgeCaseStatement(expression), expected="int", charsetType=1, expectingNone=expectingNone) == "1"
return getValue(agent.forgeCaseStatement(expression), expected="bool", expectingNone=expectingNone)