mirror of
https://github.com/sqlmapproject/sqlmap.git
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603 lines
24 KiB
Python
603 lines
24 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2011 sqlmap developers (http://sqlmap.sourceforge.net/)
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See the file 'doc/COPYING' for copying permission
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"""
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import httplib
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import logging
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import re
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import socket
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import time
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import urllib2
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import urlparse
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import traceback
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from extra.multipart import multipartpost
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from lib.core.agent import agent
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from lib.core.common import average
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from lib.core.common import calculateDeltaSeconds
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from lib.core.common import clearConsoleLine
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from lib.core.common import cpuThrottle
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from lib.core.common import extractRegexResult
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from lib.core.common import getCurrentThreadData
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from lib.core.common import getFilteredPageContent
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from lib.core.common import getUnicode
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from lib.core.common import logHTTPTraffic
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from lib.core.common import parseTargetUrl
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from lib.core.common import readInput
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from lib.core.common import removeReflectiveValues
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from lib.core.common import singleTimeLogMessage
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from lib.core.common import stdev
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from lib.core.common import urlEncodeCookieValues
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from lib.core.common import wasLastRequestDelayed
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from lib.core.convert import unicodeencode
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from lib.core.convert import urlencode
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from lib.core.data import conf
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from lib.core.data import kb
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from lib.core.data import logger
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from lib.core.enums import HTTPHEADER
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from lib.core.enums import HTTPMETHOD
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from lib.core.enums import NULLCONNECTION
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from lib.core.enums import PLACE
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from lib.core.enums import WARNFLAGS
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from lib.core.exception import sqlmapConnectionException
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from lib.core.exception import sqlmapSyntaxException
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from lib.core.settings import HTTP_SILENT_TIMEOUT
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from lib.core.settings import META_REFRESH_REGEX
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from lib.core.settings import IS_WIN
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from lib.core.settings import MIN_TIME_RESPONSES
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from lib.core.settings import WARN_TIME_STDEV
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from lib.core.settings import URI_HTTP_HEADER
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from lib.core.threads import getCurrentThreadData
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from lib.request.basic import decodePage
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from lib.request.basic import forgeHeaders
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from lib.request.basic import processResponse
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from lib.request.direct import direct
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from lib.request.comparison import comparison
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from lib.request.methodrequest import MethodRequest
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from lib.utils.checkpayload import checkPayload
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class Connect:
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"""
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This class defines methods used to perform HTTP requests
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"""
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@staticmethod
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def __getPageProxy(**kwargs):
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return Connect.getPage(**kwargs)
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@staticmethod
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def getPage(**kwargs):
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"""
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This method connects to the target url or proxy and returns
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the target url page content
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"""
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if conf.delay is not None and isinstance(conf.delay, (int, float)) and conf.delay > 0:
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time.sleep(conf.delay)
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elif conf.cpuThrottle:
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cpuThrottle(conf.cpuThrottle)
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threadData = getCurrentThreadData()
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threadData.lastRequestUID += 1
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url = kwargs.get('url', conf.url)
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get = kwargs.get('get', None)
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post = kwargs.get('post', None)
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method = kwargs.get('method', None)
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cookie = kwargs.get('cookie', None)
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ua = kwargs.get('ua', None)
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host = kwargs.get('host', None)
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referer = kwargs.get('referer', None)
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direct = kwargs.get('direct', False)
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multipart = kwargs.get('multipart', False)
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silent = kwargs.get('silent', False)
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raise404 = kwargs.get('raise404', True)
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auxHeaders = kwargs.get('auxHeaders', None)
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response = kwargs.get('response', False)
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ignoreTimeout = kwargs.get('ignoreTimeout', kb.ignoreTimeout)
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refreshing = kwargs.get('refreshing', False)
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# flag to know if we are dealing with the same target host
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target = reduce(lambda x, y: x == y, map(lambda x: urlparse.urlparse(x).netloc.split(':')[0], [url, conf.url]))
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# fix for known issue when urllib2 just skips the other part of provided
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# url splitted with space char while urlencoding it in the later phase
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url = url.replace(" ", "%20")
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page = ""
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cookieStr = ""
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requestMsg = "HTTP request [#%d]:\n%s " % (threadData.lastRequestUID, method or conf.method)
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requestMsg += "%s" % urlparse.urlsplit(url)[2] or "/"
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responseMsg = "HTTP response "
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requestHeaders = ""
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responseHeaders = None
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logHeaders = ""
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# fix for known issues when using url in unicode format
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# (e.g. UnicodeDecodeError: "url = url + '?' + query" in redirect case)
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url = unicodeencode(url)
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try:
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if silent:
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socket.setdefaulttimeout(HTTP_SILENT_TIMEOUT)
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if direct:
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if "?" in url:
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url, params = url.split("?")
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params = urlencode(params)
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url = "%s?%s" % (url, params)
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requestMsg += "?%s" % params
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elif multipart:
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# Needed in this form because of potential circle dependency
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# problem (option -> update -> connect -> option)
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from lib.core.option import proxyHandler
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multipartOpener = urllib2.build_opener(proxyHandler, multipartpost.MultipartPostHandler)
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conn = multipartOpener.open(unicodeencode(url), multipart)
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page = conn.read()
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responseHeaders = conn.info()
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responseHeaders[URI_HTTP_HEADER] = conn.geturl()
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page = decodePage(page, responseHeaders.get(HTTPHEADER.CONTENT_ENCODING), responseHeaders.get(HTTPHEADER.CONTENT_TYPE))
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return page
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elif refreshing:
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# Reference(s):
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# http://vancouver-webpages.com/META/metatags.detail.html
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# http://webdesign.about.com/od/metataglibraries/a/aa080300a.htm
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get = None
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post = None
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elif target:
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if conf.parameters.has_key(PLACE.GET) and not get:
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get = conf.parameters[PLACE.GET]
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if get:
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url = "%s?%s" % (url, get)
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requestMsg += "?%s" % get
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if conf.method == HTTPMETHOD.POST and not post:
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for place in (PLACE.POST, PLACE.SOAP):
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if conf.parameters.has_key(place):
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post = conf.parameters[place]
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break
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elif get:
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url = "%s?%s" % (url, get)
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requestMsg += "?%s" % get
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requestMsg += " %s" % httplib.HTTPConnection._http_vsn_str
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# Perform HTTP request
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headers = forgeHeaders(cookie, ua, referer)
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if conf.realTest:
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headers[HTTPHEADER.REFERER] = "%s://%s" % (conf.scheme, conf.hostname)
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if kb.authHeader:
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headers[HTTPHEADER.AUTHORIZATION] = kb.authHeader
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if kb.proxyAuthHeader:
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headers[HTTPHEADER.PROXY_AUTHORIZATION] = kb.proxyAuthHeader
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headers[HTTPHEADER.HOST] = host or urlparse.urlparse(url).netloc.split(':')[0]
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if auxHeaders:
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for key, item in auxHeaders.items():
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headers[key] = item
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for key, item in headers.items():
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del headers[key]
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headers[unicodeencode(key, kb.pageEncoding)] = unicodeencode(item, kb.pageEncoding)
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post = unicodeencode(post, kb.pageEncoding)
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if method:
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req = MethodRequest(url, post, headers)
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req.set_method(method)
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else:
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req = urllib2.Request(url, post, headers)
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if not conf.dropSetCookie and conf.cj:
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for _, cookie in enumerate(conf.cj):
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if not cookieStr:
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cookieStr = "Cookie: "
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cookie = getUnicode(cookie)
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index = cookie.index(" for ")
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cookieStr += "%s; " % cookie[8:index]
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if not req.has_header(HTTPHEADER.ACCEPT_ENCODING):
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requestHeaders += "%s: identity\n" % HTTPHEADER.ACCEPT_ENCODING
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requestHeaders += "\n".join(["%s: %s" % (header, value) for header, value in req.header_items()])
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if not req.has_header(HTTPHEADER.COOKIE) and cookieStr:
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requestHeaders += "\n%s" % cookieStr[:-2]
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if not req.has_header(HTTPHEADER.CONNECTION):
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requestHeaders += "\n%s: close" % HTTPHEADER.CONNECTION
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requestMsg += "\n%s" % requestHeaders
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if post:
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requestMsg += "\n\n%s" % post
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requestMsg += "\n"
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logger.log(8, requestMsg)
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conn = urllib2.urlopen(req)
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if not kb.authHeader and req.has_header(HTTPHEADER.AUTHORIZATION):
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kb.authHeader = req.get_header(HTTPHEADER.AUTHORIZATION)
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if not kb.proxyAuthHeader and req.has_header(HTTPHEADER.PROXY_AUTHORIZATION):
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kb.proxyAuthHeader = req.get_header(HTTPHEADER.PROXY_AUTHORIZATION)
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if hasattr(conn, "setcookie"):
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kb.redirectSetCookie = conn.setcookie
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if hasattr(conn, "redurl") and hasattr(conn, "redcode") and target and not conf.redirectHandled and not conf.realTest:
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msg = "sqlmap got a %d redirect to " % conn.redcode
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msg += "%s - What target address do you " % conn.redurl
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msg += "want to use from now on? %s " % conf.url
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msg += "(default) or provide another target address based "
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msg += "also on the redirection got from the application\n"
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while True:
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choice = readInput(msg, default=None)
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if not choice:
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pass
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else:
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conf.url = choice
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try:
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parseTargetUrl()
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return Connect.__getPageProxy(**kwargs)
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except sqlmapSyntaxException:
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continue
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break
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conf.redirectHandled = True
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# Reset the number of connection retries
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threadData.retriesCount = 0
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# Return response object
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if response:
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return conn, None
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# Get HTTP response
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page = conn.read()
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code = conn.code
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responseHeaders = conn.info()
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responseHeaders[URI_HTTP_HEADER] = conn.geturl()
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page = decodePage(page, responseHeaders.get(HTTPHEADER.CONTENT_ENCODING), responseHeaders.get(HTTPHEADER.CONTENT_TYPE))
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status = getUnicode(conn.msg)
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if extractRegexResult(META_REFRESH_REGEX, page, re.DOTALL | re.IGNORECASE) and not refreshing:
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url = extractRegexResult(META_REFRESH_REGEX, page, re.DOTALL | re.IGNORECASE)
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if url.lower().startswith('http://'):
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kwargs['url'] = url
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else:
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kwargs['url'] = conf.url[:conf.url.rfind('/')+1] + url
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threadData.lastRedirectMsg = (threadData.lastRequestUID, page)
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kwargs['refreshing'] = True
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debugMsg = "got HTML meta refresh header"
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logger.debug(debugMsg)
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try:
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return Connect.__getPageProxy(**kwargs)
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except sqlmapSyntaxException:
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pass
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# Explicit closing of connection object
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if not conf.keepAlive:
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try:
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conn.fp._sock.close()
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conn.close()
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except Exception, msg:
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warnMsg = "problem occured during connection closing ('%s')" % msg
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logger.warn(warnMsg)
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except urllib2.HTTPError, e:
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page = None
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responseHeaders = None
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try:
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page = e.read()
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responseHeaders = e.info()
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responseHeaders[URI_HTTP_HEADER] = e.geturl()
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page = decodePage(page, responseHeaders.get(HTTPHEADER.CONTENT_ENCODING), responseHeaders.get(HTTPHEADER.CONTENT_TYPE))
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except socket.timeout:
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warnMsg = "connection timed out while trying "
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warnMsg += "to get error page information (%d)" % e.code
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logger.warn(warnMsg)
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return None, None
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except:
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pass
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code = e.code
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threadData.lastHTTPError = (threadData.lastRequestUID, code)
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if code not in kb.httpErrorCodes:
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kb.httpErrorCodes[code] = 0
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kb.httpErrorCodes[code] += 1
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status = getUnicode(e.msg)
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responseMsg += "[#%d] (%d %s):\n" % (threadData.lastRequestUID, code, status)
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if responseHeaders:
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logHeaders = "\n".join(["%s: %s" % (key.capitalize() if isinstance(key, basestring) else key, getUnicode(value)) for (key, value) in responseHeaders.items()])
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logHTTPTraffic(requestMsg, "%s%s\n\n%s" % (responseMsg, logHeaders, page if isinstance(page, unicode) else getUnicode(page)))
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if conf.verbose <= 5:
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responseMsg += getUnicode(logHeaders)
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elif conf.verbose > 5:
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responseMsg += "%s\n\n%s\n" % (logHeaders, page)
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logger.log(7, responseMsg)
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if e.code == 401:
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errMsg = "not authorized, try to provide right HTTP "
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errMsg += "authentication type and valid credentials (%d)" % code
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raise sqlmapConnectionException, errMsg
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elif e.code == 404 and raise404:
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errMsg = "page not found (%d)" % code
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raise sqlmapConnectionException, errMsg
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else:
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debugMsg = "got HTTP error code: %d (%s)" % (code, status)
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logger.debug(debugMsg)
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page = processResponse(page, responseHeaders)
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return page, responseHeaders
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except (urllib2.URLError, socket.error, socket.timeout, httplib.BadStatusLine, httplib.IncompleteRead), e:
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tbMsg = traceback.format_exc()
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if "no host given" in tbMsg:
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warnMsg = "invalid url address used (%s)" % repr(url)
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raise sqlmapSyntaxException, warnMsg
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elif "forcibly closed" in tbMsg:
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warnMsg = "connection was forcibly closed by the target url"
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elif "timed out" in tbMsg:
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warnMsg = "connection timed out to the target url"
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elif "URLError" in tbMsg or "error" in tbMsg:
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warnMsg = "unable to connect to the target url"
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elif "BadStatusLine" in tbMsg:
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warnMsg = "the target url responded with an unknown HTTP "
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warnMsg += "status code, try to force the HTTP User-Agent "
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warnMsg += "header with option --user-agent or --random-agent"
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elif "IncompleteRead" in tbMsg:
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warnMsg = "there was an incomplete read error while retrieving data "
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warnMsg += "from the target url"
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else:
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warnMsg = "unable to connect to the target url"
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if "BadStatusLine" not in tbMsg:
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warnMsg += " or proxy"
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if "forcibly closed" in tbMsg:
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logger.critical(warnMsg)
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return None, None
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elif silent or (ignoreTimeout and any(map(lambda x: x in tbMsg, ["timed out", "IncompleteRead"]))):
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return None, None
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elif threadData.retriesCount < conf.retries and not kb.threadException and not conf.realTest:
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threadData.retriesCount += 1
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warnMsg += ", sqlmap is going to retry the request"
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logger.critical(warnMsg)
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if kb.originalPage is None:
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if conf.tor:
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warnMsg = "please make sure that you have "
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warnMsg += "Tor installed and running for "
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warnMsg += "you to be able to successfully use "
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warnMsg += "--tor switch "
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if IS_WIN:
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warnMsg += "(e.g. https://www.torproject.org/download/download.html.en)"
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else:
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warnMsg += "(e.g. https://help.ubuntu.com/community/Tor)"
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singleTimeLogMessage(warnMsg, logging.WARN, WARNFLAGS.TOR)
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else:
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warnMsg = "if the problem persists please try to rerun "
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warnMsg += "with the --random-agent switch turned on "
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warnMsg += "and/or try to use proxy switches (--ignore-proxy, --proxy,...)"
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singleTimeLogMessage(warnMsg, logging.WARN, WARNFLAGS.RANDOM_AGENT)
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elif conf.threads > 1:
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warnMsg = "if the problem persists please try to lower "
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warnMsg += "the number of used threads (--threads)"
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singleTimeLogMessage(warnMsg, logging.WARN, WARNFLAGS.THREADS)
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time.sleep(1)
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socket.setdefaulttimeout(conf.timeout)
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return Connect.__getPageProxy(**kwargs)
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else:
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socket.setdefaulttimeout(conf.timeout)
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raise sqlmapConnectionException, warnMsg
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socket.setdefaulttimeout(conf.timeout)
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page = processResponse(page, responseHeaders)
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responseMsg += "[#%d] (%d %s):\n" % (threadData.lastRequestUID, code, status)
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if responseHeaders:
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logHeaders = "\n".join(["%s: %s" % (key.capitalize() if isinstance(key, basestring) else key, getUnicode(value)) for (key, value) in responseHeaders.items()])
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logHTTPTraffic(requestMsg, "%s%s\n\n%s" % (responseMsg, logHeaders, page if isinstance(page, unicode) else getUnicode(page)))
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if conf.verbose <= 5:
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responseMsg += getUnicode(logHeaders)
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elif conf.verbose > 5:
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responseMsg += "%s\n\n%s\n" % (logHeaders, page)
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logger.log(7, responseMsg)
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return page, responseHeaders
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@staticmethod
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def queryPage(value=None, place=None, content=False, getRatioValue=False, silent=False, method=None, timeBasedCompare=False, noteResponseTime=True, auxHeaders=None, response=False, raise404=None):
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"""
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This method calls a function to get the target url page content
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and returns its page MD5 hash or a boolean value in case of
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string match check ('--string' command line parameter)
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"""
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if conf.direct:
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return direct(value, content)
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get = None
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post = None
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cookie = None
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ua = None
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referer = None
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page = None
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pageLength = None
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uri = None
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raise404 = place != PLACE.URI if raise404 is None else raise404
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if not place:
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place = kb.injection.place
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payload = agent.extractPayload(value)
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threadData = getCurrentThreadData()
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if payload:
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if kb.tamperFunctions:
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for function in kb.tamperFunctions:
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payload = function(payload)
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value = agent.replacePayload(value, payload)
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logger.log(9, payload)
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if place == PLACE.COOKIE and conf.cookieUrlencode:
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value = agent.removePayloadDelimiters(value)
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value = urlEncodeCookieValues(value)
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elif place:
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if place in (PLACE.GET, PLACE.POST):
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# payloads in GET and/or POST need to be urlencoded
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# throughly without safe chars (especially & and =)
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# addendum: as we support url encoding in tampering
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# functions therefore we need to use % as a safe char
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payload = urlencode(payload, "%", False, True)
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|
value = agent.replacePayload(value, payload)
|
|
elif place == PLACE.SOAP:
|
|
# payloads in SOAP should have chars > and < replaced
|
|
# with their HTML encoded counterparts
|
|
payload = payload.replace('>', '>').replace('<', '<')
|
|
value = agent.replacePayload(value, payload)
|
|
|
|
value = agent.removePayloadDelimiters(value)
|
|
|
|
if conf.checkPayload:
|
|
checkPayload(value)
|
|
|
|
if PLACE.GET in conf.parameters:
|
|
get = urlencode(conf.parameters[PLACE.GET] if place != PLACE.GET or not value else value, limit=True)
|
|
|
|
if PLACE.POST in conf.parameters:
|
|
post = urlencode(conf.parameters[PLACE.POST] if place != PLACE.POST or not value else value)
|
|
|
|
if PLACE.SOAP in conf.parameters:
|
|
post = conf.parameters[PLACE.SOAP] if place != PLACE.SOAP or not value else value
|
|
|
|
if PLACE.COOKIE in conf.parameters:
|
|
cookie = conf.parameters[PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
|
|
|
|
if PLACE.UA in conf.parameters:
|
|
ua = conf.parameters[PLACE.UA] if place != PLACE.UA or not value else value
|
|
|
|
if PLACE.REFERER in conf.parameters:
|
|
referer = conf.parameters[PLACE.REFERER] if place != PLACE.REFERER or not value else value
|
|
|
|
if PLACE.URI in conf.parameters:
|
|
uri = conf.url if place != PLACE.URI or not value else value
|
|
else:
|
|
uri = conf.url
|
|
|
|
if timeBasedCompare:
|
|
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
|
|
clearConsoleLine()
|
|
|
|
warnMsg = "time-based comparison needs larger statistical "
|
|
warnMsg += "model. Making a few dummy requests, please wait.."
|
|
logger.warn(warnMsg)
|
|
|
|
while len(kb.responseTimes) < MIN_TIME_RESPONSES:
|
|
Connect.queryPage(content=True)
|
|
|
|
if stdev(kb.responseTimes) > WARN_TIME_STDEV:
|
|
kb.adjustTimeDelay = False
|
|
|
|
warnMsg = "there is considerable lagging in connection "
|
|
warnMsg += "response(s). Please use as high value for "
|
|
warnMsg += "--time-sec option as possible (e.g. 10 or more)"
|
|
logger.critical(warnMsg)
|
|
|
|
if conf.safUrl and conf.saFreq > 0:
|
|
kb.queryCounter += 1
|
|
if kb.queryCounter % conf.saFreq == 0:
|
|
Connect.getPage(url=conf.safUrl, cookie=cookie, direct=True, silent=True, ua=ua, referer=referer)
|
|
|
|
start = time.time()
|
|
|
|
if kb.nullConnection and not content and not response and not timeBasedCompare:
|
|
if kb.nullConnection == NULLCONNECTION.HEAD:
|
|
method = HTTPMETHOD.HEAD
|
|
elif kb.nullConnection == NULLCONNECTION.RANGE:
|
|
if not auxHeaders:
|
|
auxHeaders = {}
|
|
|
|
auxHeaders[HTTPHEADER.RANGE] = "bytes=-1"
|
|
|
|
_, headers = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, silent=silent, method=method, auxHeaders=auxHeaders, raise404=raise404)
|
|
|
|
if kb.nullConnection == NULLCONNECTION.HEAD and HTTPHEADER.CONTENT_LENGTH in headers:
|
|
pageLength = int(headers[HTTPHEADER.CONTENT_LENGTH])
|
|
elif kb.nullConnection == NULLCONNECTION.RANGE and HTTPHEADER.CONTENT_RANGE in headers:
|
|
pageLength = int(headers[HTTPHEADER.CONTENT_RANGE][headers[HTTPHEADER.CONTENT_RANGE].find('/') + 1:])
|
|
|
|
if not pageLength:
|
|
page, headers = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, silent=silent, method=method, auxHeaders=auxHeaders, response=response, raise404=raise404, ignoreTimeout=timeBasedCompare)
|
|
|
|
threadData.lastQueryDuration = calculateDeltaSeconds(start)
|
|
|
|
if kb.testMode:
|
|
kb.testQueryCount += 1
|
|
|
|
if conf.cj:
|
|
conf.cj.clear()
|
|
|
|
if timeBasedCompare:
|
|
return wasLastRequestDelayed()
|
|
elif noteResponseTime:
|
|
kb.responseTimes.append(threadData.lastQueryDuration)
|
|
|
|
if content or response:
|
|
return page, headers
|
|
|
|
page = removeReflectiveValues(page, payload)
|
|
|
|
if getRatioValue:
|
|
return comparison(page, getRatioValue=False, pageLength=pageLength), comparison(page, getRatioValue=True, pageLength=pageLength)
|
|
elif pageLength or page:
|
|
return comparison(page, getRatioValue, pageLength)
|
|
else:
|
|
return False
|