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automatically turn on --text-only in case of heavily-dynamicity instead of critical exit

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This commit is contained in:
Miroslav Stampar 2011-01-03 11:06:49 +00:00
parent adc41181e6
commit 3629c2737b
1 changed files with 12 additions and 10 deletions
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22
lib/controller/checks.py
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@ -50,6 +50,7 @@ from lib.core.exception import sqlmapUserQuitException
from lib.core.session import setDynamicMarkings
from lib.core.session import setString
from lib.core.session import setRegexp
from lib.core.session import setTextOnly
from lib.core.settings import CONSTANT_RATIO
from lib.core.settings import UPPER_RATIO_BOUND
from lib.core.unescaper import unescaper
@ -487,7 +488,8 @@ def heuristicCheckSqlInjection(place, parameter, value):
def simpletonCheckSqlInjection(place, parameter, value):
"""
This is a function for the quickest and simplest
sql injection check (e.g. AND 1=1)
sql injection check (e.g. AND 1=1) - only works
with integer parameters
"""
result = False
@ -497,17 +499,14 @@ def simpletonCheckSqlInjection(place, parameter, value):
if value.isdigit():
payload = "%s AND %d=%d" % (value, randInt, randInt)
else:
payload = "%s' AND '%s'='%s" % (value, randStr, randStr)
return False
payload = agent.payload(place, parameter, value, payload)
firstPage, _ = Request.queryPage(payload, place, content=True, raise404=False)
if not (wasLastRequestDBMSError() or wasLastRequestHTTPError()):
if getComparePageRatio(kb.originalPage, firstPage, filtered=True) > CONSTANT_RATIO:
if value.isdigit():
payload = "%s AND %d=%d" % (value, randInt, randInt+1)
else:
payload = "%s' AND '%s'='%s" % (value, randStr, randomStr())
payload = "%s AND %d=%d" % (value, randInt, randInt+1)
payload = agent.payload(place, parameter, value, payload)
secondPage, _ = Request.queryPage(payload, place, content=True, raise404=False)
@ -582,10 +581,13 @@ def checkDynamicContent(firstPage, secondPage):
count += 1
if count > conf.retries:
errMsg = "target url is too dynamic. unable to continue. "
errMsg += "consider using other switches (e.g. "
errMsg += "--longest-common, --string, --text-only, etc.)"
raise sqlmapSiteTooDynamic, errMsg
warnMsg = "target url is too dynamic. "
warnMsg += "switching to --text-only. "
logger.warn(warnMsg)
conf.textOnly = True
setTextOnly()
return
warnMsg = "target url is heavily dynamic"
warnMsg += ", sqlmap is going to retry the request"