sqlmap/lib/controller/controller.py
2010-10-15 09:54:29 +00:00

316 lines
11 KiB
Python

#!/usr/bin/env python
"""
$Id$
Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
See the file 'doc/COPYING' for copying permission
"""
import re
from lib.controller.action import action
from lib.controller.checks import checkSqlInjection
from lib.controller.checks import heuristicCheckSqlInjection
from lib.controller.checks import checkDynParam
from lib.controller.checks import checkStability
from lib.controller.checks import checkString
from lib.controller.checks import checkRegexp
from lib.controller.checks import checkConnection
from lib.controller.checks import checkNullConnection
from lib.core.common import getUnicode
from lib.core.common import paramToDict
from lib.core.common import parseTargetUrl
from lib.core.common import readInput
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.exception import exceptionsTuple
from lib.core.exception import sqlmapNotVulnerableException
from lib.core.exception import sqlmapSilentQuitException
from lib.core.exception import sqlmapUserQuitException
from lib.core.session import setInjection
from lib.core.target import initTargetEnv
from lib.core.target import setupTargetEnv
from lib.core.target import __findPageForms
from lib.utils.parenthesis import checkForParenthesis
def __selectInjection(injData):
"""
Selection function for injection place, parameters and type.
"""
message = "there were multiple injection points, please select the "
message += "one to use to go ahead:\n"
for i in xrange(0, len(injData)):
injPlace = injData[i][0]
injParameter = injData[i][1]
injType = injData[i][2]
message += "[%d] place: %s, parameter: " % (i, injPlace)
message += "%s, type: %s" % (injParameter, injType)
if i == 0:
message += " (default)"
message += "\n"
message += "[q] Quit"
select = readInput(message, default="0")
if not select:
index = 0
elif select.isdigit() and int(select) < len(injData) and int(select) >= 0:
index = int(select)
elif select[0] in ( "Q", "q" ):
return "Quit"
else:
warnMsg = "invalid choice, retry"
logger.warn(warnMsg)
__selectInjection(injData)
return injData[index]
def start():
"""
This function calls a function that performs checks on both URL
stability and all GET, POST, Cookie and User-Agent parameters to
check if they are dynamic and SQL injection affected
"""
if not conf.start:
return False
if conf.direct:
initTargetEnv()
setupTargetEnv()
action()
return True
if conf.url:
if conf.forms:
__findPageForms()
else:
kb.targetUrls.add(( conf.url, conf.method, conf.data, conf.cookie ))
if conf.configFile and not kb.targetUrls:
errMsg = "you did not edit the configuration file properly, set "
errMsg += "the target url, list of targets or google dork"
logger.error(errMsg)
return False
if kb.targetUrls and len(kb.targetUrls) > 1:
infoMsg = "sqlmap got a total of %d targets" % len(kb.targetUrls)
logger.info(infoMsg)
hostCount = 0
cookieStr = ""
setCookieAsInjectable = True
for targetUrl, targetMethod, targetData, targetCookie in kb.targetUrls:
try:
conf.url = targetUrl
conf.method = targetMethod
conf.data = targetData
conf.cookie = targetCookie
injData = []
initTargetEnv()
parseTargetUrl()
testSqlInj = False
if "GET" in conf.parameters:
for parameter in re.findall(r"([^=]+)=[^&]+&?", conf.parameters["GET"]):
paramKey = (conf.hostname, conf.path, "GET", parameter)
if paramKey not in kb.testedParams:
testSqlInj = True
break
else:
paramKey = (conf.hostname, conf.path, None, None)
if paramKey not in kb.testedParams:
testSqlInj = True
if not testSqlInj:
infoMsg = "skipping '%s'" % targetUrl
logger.info(infoMsg)
continue
if conf.multipleTargets:
hostCount += 1
message = "url %d:\n%s %s" % (hostCount, conf.method or "GET", targetUrl)
if conf.cookie:
message += "\nCookie: %s" % conf.cookie
if conf.data:
message += "\nPOST data: %s" % conf.data
message += "\ndo you want to test this url? [Y/n/q]"
test = readInput(message, default="Y")
if not test:
pass
elif test[0] in ("n", "N"):
continue
elif test[0] in ("q", "Q"):
break
logMsg = "testing url %s" % targetUrl
logger.info(logMsg)
setupTargetEnv()
if not checkConnection() or not checkString() or not checkRegexp():
continue
if conf.useNullConnection:
checkNullConnection()
if not conf.dropSetCookie and conf.cj:
for _, cookie in enumerate(conf.cj):
cookie = getUnicode(cookie)
index = cookie.index(" for ")
cookieStr += "%s;" % cookie[8:index]
if cookieStr:
cookieStr = cookieStr[:-1]
if "Cookie" in conf.parameters:
message = "you provided an HTTP Cookie header value. "
message += "The target url provided its own Cookie within "
message += "the HTTP Set-Cookie header. Do you want to "
message += "continue using the HTTP Cookie values that "
message += "you provided? [Y/n] "
test = readInput(message, default="Y")
if not test or test[0] in ("y", "Y"):
setCookieAsInjectable = False
if setCookieAsInjectable:
conf.httpHeaders.append(("Cookie", cookieStr))
conf.parameters["Cookie"] = cookieStr
__paramDict = paramToDict("Cookie", cookieStr)
if __paramDict:
conf.paramDict["Cookie"] = __paramDict
# TODO: consider the following line in __setRequestParams()
__testableParameters = True
if not kb.injPlace or not kb.injParameter or not kb.injType:
if not conf.string and not conf.regexp and not conf.eRegexp:
# NOTE: this is not needed anymore, leaving only to display
# a warning message to the user in case the page is not stable
checkStability()
for place in conf.parameters.keys():
if not conf.paramDict.has_key(place):
continue
paramDict = conf.paramDict[place]
for parameter, value in paramDict.items():
testSqlInj = True
paramKey = (conf.hostname, conf.path, place, parameter)
if paramKey in kb.testedParams:
testSqlInj = False
infoMsg = "skipping previously processed %s parameter '%s'" % (place, parameter)
logger.info(infoMsg)
# Avoid dinamicity test if the user provided the
# parameter manually
elif parameter in conf.testParameter:
pass
elif not checkDynParam(place, parameter, value):
warnMsg = "%s parameter '%s' is not dynamic" % (place, parameter)
logger.warn(warnMsg)
testSqlInj = False
else:
logMsg = "%s parameter '%s' is dynamic" % (place, parameter)
logger.info(logMsg)
kb.testedParams.add(paramKey)
if testSqlInj:
heuristicCheckSqlInjection(place, parameter, value)
for parenthesis in range(0, 4):
logMsg = "testing sql injection on %s " % place
logMsg += "parameter '%s' with " % parameter
logMsg += "%d parenthesis" % parenthesis
logger.info(logMsg)
injType = checkSqlInjection(place, parameter, value, parenthesis)
if injType:
injData.append((place, parameter, injType))
break
else:
infoMsg = "%s parameter '%s' is not " % (place, parameter)
infoMsg += "injectable with %d parenthesis" % parenthesis
logger.info(infoMsg)
if not injData:
warnMsg = "%s parameter '%s' is not " % (place, parameter)
warnMsg += "injectable"
logger.warn(warnMsg)
if not kb.injPlace or not kb.injParameter or not kb.injType:
if len(injData) == 1:
injDataSelected = injData[0]
elif len(injData) > 1:
injDataSelected = __selectInjection(injData)
else:
raise sqlmapNotVulnerableException, "all parameters are not injectable"
if injDataSelected == "Quit":
return
else:
kb.injPlace, kb.injParameter, kb.injType = injDataSelected
setInjection()
if kb.injPlace and kb.injParameter and kb.injType:
if conf.multipleTargets:
message = "do you want to exploit this SQL injection? [Y/n] "
exploit = readInput(message, default="Y")
condition = not exploit or exploit[0] in ("y", "Y")
else:
condition = True
if condition:
checkForParenthesis()
action()
except sqlmapSilentQuitException:
raise
except sqlmapUserQuitException:
raise
except exceptionsTuple, e:
e = getUnicode(e)
if conf.multipleTargets:
e += ", skipping to next url"
logger.error(e)
else:
logger.critical(e)
return False
if conf.loggedToOut:
logger.info("Fetched data logged to text files under '%s'" % conf.outputPath)
return True