mirror of
https://github.com/sqlmapproject/sqlmap.git
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866 lines
39 KiB
Python
866 lines
39 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2013 sqlmap developers (http://sqlmap.org/)
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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 json
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import logging
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import re
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import socket
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import string
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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.safe2bin.safe2bin import safecharencode
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from lib.core.agent import agent
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from lib.core.common import asciifyUrl
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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 evaluateCode
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from lib.core.common import extractRegexResult
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from lib.core.common import findMultipartPostBoundary
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from lib.core.common import getCurrentThreadData
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from lib.core.common import getHostHeader
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from lib.core.common import getRequestHeader
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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 randomizeParameterValue
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from lib.core.common import randomInt
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from lib.core.common import randomStr
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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 singleTimeWarnMessage
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from lib.core.common import stdev
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from lib.core.common import wasLastResponseDelayed
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from lib.core.common import unicodeencode
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from lib.core.common import urldecode
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from lib.core.common 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.dicts import POST_HINT_CONTENT_TYPES
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from lib.core.enums import ADJUST_TIME_DELAY
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from lib.core.enums import AUTH_TYPE
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from lib.core.enums import CUSTOM_LOGGING
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from lib.core.enums import HTTP_HEADER
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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 PAYLOAD
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from lib.core.enums import PLACE
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from lib.core.enums import POST_HINT
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from lib.core.enums import REDIRECTION
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from lib.core.enums import WEB_API
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from lib.core.exception import SqlmapCompressionException
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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.exception import SqlmapValueException
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from lib.core.settings import ASTERISK_MARKER
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from lib.core.settings import CUSTOM_INJECTION_MARK_CHAR
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from lib.core.settings import DEFAULT_CONTENT_TYPE
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from lib.core.settings import DEFAULT_GET_POST_DELIMITER
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from lib.core.settings import HTTP_ACCEPT_HEADER_VALUE
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from lib.core.settings import HTTP_ACCEPT_ENCODING_HEADER_VALUE
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from lib.core.settings import MAX_CONNECTION_CHUNK_SIZE
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from lib.core.settings import MAX_CONNECTIONS_REGEX
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from lib.core.settings import MAX_CONNECTION_TOTAL_SIZE
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from lib.core.settings import META_REFRESH_REGEX
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from lib.core.settings import MIN_TIME_RESPONSES
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from lib.core.settings import IS_WIN
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from lib.core.settings import LARGE_CHUNK_TRIM_MARKER
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from lib.core.settings import PAYLOAD_DELIMITER
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from lib.core.settings import PERMISSION_DENIED_REGEX
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from lib.core.settings import PLAIN_TEXT_CONTENT_TYPE
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from lib.core.settings import UNENCODED_ORIGINAL_VALUE
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from lib.core.settings import URI_HTTP_HEADER
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from lib.core.settings import WARN_TIME_STDEV
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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 thirdparty.socks.socks import ProxyError
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from thirdparty.multipart import multipartpost
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class Connect(object):
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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 _retryProxy(**kwargs):
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threadData = getCurrentThreadData()
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threadData.retriesCount += 1
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if kb.testMode and kb.previousMethod == PAYLOAD.METHOD.TIME:
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# timed based payloads can cause web server unresponsiveness
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# if the injectable piece of code is some kind of JOIN-like query
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warnMsg = "most probably web server instance hasn't recovered yet "
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warnMsg += "from previous timed based payload. If the problem "
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warnMsg += "persists please wait for few minutes and rerun "
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warnMsg += "without flag T in option '--technique' "
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warnMsg += "(e.g. '--flush-session --technique=BEUS') or try to "
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warnMsg += "lower the value of option '--time-sec' (e.g. '--time-sec=2')"
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singleTimeWarnMessage(warnMsg)
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elif 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 so "
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warnMsg += "you could successfully use "
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warnMsg += "switch '--tor' "
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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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else:
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warnMsg = "if the problem persists please check that the provided "
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warnMsg += "target URL is valid. In case that it is, you can try to rerun "
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warnMsg += "with the switch '--random-agent' turned on "
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warnMsg += "and/or proxy switches ('--ignore-proxy', '--proxy',...)"
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singleTimeWarnMessage(warnMsg)
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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 (option '--threads')"
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singleTimeWarnMessage(warnMsg)
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time.sleep(1)
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kwargs['retrying'] = True
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return Connect._getPageProxy(**kwargs)
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@staticmethod
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def _connReadProxy(conn):
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retVal = ""
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if not kb.dnsMode and conn:
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headers = conn.info()
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if headers and (headers.getheader(HTTP_HEADER.CONTENT_ENCODING, "").lower() in ("gzip", "deflate")\
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or "text" not in headers.getheader(HTTP_HEADER.CONTENT_TYPE, "").lower()):
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retVal = conn.read(MAX_CONNECTION_TOTAL_SIZE)
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if len(retVal) == MAX_CONNECTION_TOTAL_SIZE:
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warnMsg = "large compressed response detected. Disabling compression"
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singleTimeWarnMessage(warnMsg)
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kb.pageCompress = False
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else:
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while True:
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_ = conn.read(MAX_CONNECTION_CHUNK_SIZE)
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if len(_) == MAX_CONNECTION_CHUNK_SIZE:
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warnMsg = "large response detected. This could take a while"
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singleTimeWarnMessage(warnMsg)
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_ = re.sub(r"(?si)%s.+?%s" % (kb.chars.stop, kb.chars.start), "%s%s%s" % (kb.chars.stop, LARGE_CHUNK_TRIM_MARKER, kb.chars.start), _)
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retVal += _
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else:
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retVal += _
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break
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if len(retVal) > MAX_CONNECTION_TOTAL_SIZE:
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warnMsg = "too large response detected. Automatically trimming it"
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singleTimeWarnMessage(warnMsg)
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break
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return retVal
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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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if conf.dummy:
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return randomStr(int(randomInt()), alphabet=[chr(_) for _ in xrange(256)]), {}, int(randomInt())
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threadData = getCurrentThreadData()
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with kb.locks.request:
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kb.requestCounter += 1
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threadData.lastRequestUID = kb.requestCounter
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url = kwargs.get("url", None) or 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) or conf.agent
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referer = kwargs.get("referer", None) or conf.referer
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host = kwargs.get("host", None) or conf.host
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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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timeout = kwargs.get("timeout", None) or conf.timeout
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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", False) or kb.ignoreTimeout
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refreshing = kwargs.get("refreshing", False)
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retrying = kwargs.get("retrying", False)
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crawling = kwargs.get("crawling", False)
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if not urlparse.urlsplit(url).netloc:
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url = urlparse.urljoin(conf.url, url)
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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 or ""]))
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if not retrying:
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# Reset the number of connection retries
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threadData.retriesCount = 0
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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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code = None
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page = None
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_ = urlparse.urlsplit(url)
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requestMsg = u"HTTP request [#%d]:\n%s " % (threadData.lastRequestUID, method or (HTTPMETHOD.POST if post is not None else HTTPMETHOD.GET))
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requestMsg += ("%s%s" % (_.path or "/", ("?%s" % _.query) if _.query else "")) if not any((refreshing, crawling)) else url
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responseMsg = u"HTTP response "
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requestHeaders = u""
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responseHeaders = None
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logHeaders = u""
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skipLogTraffic = False
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raise404 = raise404 and not kb.ignoreNotFound
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# support for non-latin (e.g. cyrillic) URLs as urllib/urllib2 doesn't
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# support those by default
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url = asciifyUrl(url)
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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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socket.setdefaulttimeout(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 = Connect._connReadProxy(conn)
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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(HTTP_HEADER.CONTENT_ENCODING), responseHeaders.get(HTTP_HEADER.CONTENT_TYPE))
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return page
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elif any((refreshing, crawling)):
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pass
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elif target:
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if conf.forceSSL and urlparse.urlparse(url).scheme != "https":
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url = re.sub("\Ahttp:", "https:", url, re.I)
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url = re.sub(":80/", ":443/", url, re.I)
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if PLACE.GET in conf.parameters 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,):
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if place in conf.parameters:
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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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# Prepare HTTP headers
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headers = forgeHeaders({HTTP_HEADER.COOKIE: cookie, HTTP_HEADER.USER_AGENT: ua, HTTP_HEADER.REFERER: referer})
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if kb.authHeader:
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headers[HTTP_HEADER.AUTHORIZATION] = kb.authHeader
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if kb.proxyAuthHeader:
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headers[HTTP_HEADER.PROXY_AUTHORIZATION] = kb.proxyAuthHeader
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headers[HTTP_HEADER.ACCEPT] = HTTP_ACCEPT_HEADER_VALUE
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headers[HTTP_HEADER.ACCEPT_ENCODING] = HTTP_ACCEPT_ENCODING_HEADER_VALUE if method != HTTPMETHOD.HEAD and kb.pageCompress else "identity"
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headers[HTTP_HEADER.HOST] = host or getHostHeader(url)
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if post is not None and HTTP_HEADER.CONTENT_TYPE not in headers:
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headers[HTTP_HEADER.CONTENT_TYPE] = POST_HINT_CONTENT_TYPES.get(kb.postHint, DEFAULT_CONTENT_TYPE)
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if headers.get(HTTP_HEADER.CONTENT_TYPE) == POST_HINT_CONTENT_TYPES[POST_HINT.MULTIPART]:
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warnMsg = "missing 'boundary parameter' in '%s' header. " % HTTP_HEADER.CONTENT_TYPE
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warnMsg += "Will try to reconstruct"
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singleTimeWarnMessage(warnMsg)
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boundary = findMultipartPostBoundary(conf.data)
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if boundary:
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headers[HTTP_HEADER.CONTENT_TYPE] = "%s; boundary=%s" % (headers[HTTP_HEADER.CONTENT_TYPE], boundary)
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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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requestHeaders += "\n".join("%s: %s" % (key.capitalize() if isinstance(key, basestring) else key, getUnicode(value)) for (key, value) in req.header_items())
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if not getRequestHeader(req, HTTP_HEADER.COOKIE) and conf.cj:
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conf.cj._policy._now = conf.cj._now = int(time.time())
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cookies = conf.cj._cookies_for_request(req)
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requestHeaders += "\n%s" % ("Cookie: %s" % ";".join("%s=%s" % (getUnicode(cookie.name), getUnicode(cookie.value)) for cookie in cookies))
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if post is not None:
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if not getRequestHeader(req, HTTP_HEADER.CONTENT_LENGTH):
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requestHeaders += "\n%s: %d" % (string.capwords(HTTP_HEADER.CONTENT_LENGTH), len(post))
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if not getRequestHeader(req, HTTP_HEADER.CONNECTION):
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requestHeaders += "\n%s: close" % HTTP_HEADER.CONNECTION
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requestMsg += "\n%s" % requestHeaders
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if post is not None:
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requestMsg += "\n\n%s" % getUnicode(post)
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requestMsg += "\n"
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threadData.lastRequestMsg = requestMsg
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logger.log(CUSTOM_LOGGING.TRAFFIC_OUT, requestMsg)
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conn = urllib2.urlopen(req)
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if not kb.authHeader and getRequestHeader(req, HTTP_HEADER.AUTHORIZATION) and conf.aType == AUTH_TYPE.BASIC:
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kb.authHeader = getRequestHeader(req, HTTP_HEADER.AUTHORIZATION)
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if not kb.proxyAuthHeader and getRequestHeader(req, HTTP_HEADER.PROXY_AUTHORIZATION):
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kb.proxyAuthHeader = getRequestHeader(req, HTTP_HEADER.PROXY_AUTHORIZATION)
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# Return response object
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if response:
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return conn, None, None
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# Get HTTP response
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if hasattr(conn, 'redurl'):
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page = threadData.lastRedirectMsg[1] if kb.redirectChoice == REDIRECTION.NO\
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else Connect._connReadProxy(conn)
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skipLogTraffic = kb.redirectChoice == REDIRECTION.NO
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code = conn.redcode
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else:
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page = Connect._connReadProxy(conn)
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code = code or 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(HTTP_HEADER.CONTENT_ENCODING), responseHeaders.get(HTTP_HEADER.CONTENT_TYPE))
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status = getUnicode(conn.msg)
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if extractRegexResult(META_REFRESH_REGEX, page) and not refreshing:
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url = extractRegexResult(META_REFRESH_REGEX, page)
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debugMsg = "got HTML meta refresh header"
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logger.debug(debugMsg)
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if kb.alwaysRefresh is None:
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msg = "sqlmap got a refresh request "
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msg += "(redirect like response common to login pages). "
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msg += "Do you want to apply the refresh "
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msg += "from now on (or stay on the original page)? [Y/n]"
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choice = readInput(msg, default="Y")
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kb.alwaysRefresh = choice not in ("n", "N")
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if kb.alwaysRefresh:
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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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kwargs['get'] = None
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kwargs['post'] = None
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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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if hasattr(conn.fp, '_sock'):
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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(HTTP_HEADER.CONTENT_ENCODING), responseHeaders.get(HTTP_HEADER.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, None
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except KeyboardInterrupt:
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raise
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except:
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pass
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finally:
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page = page if isinstance(page, unicode) else getUnicode(page)
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code = e.code
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threadData.lastHTTPError = (threadData.lastRequestUID, code)
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kb.httpErrorCodes[code] = kb.httpErrorCodes.get(code, 0) + 1
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status = getUnicode(e.msg)
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responseMsg += "[#%d] (%d %s):\n" % (threadData.lastRequestUID, code, status)
|
|
|
|
if responseHeaders:
|
|
logHeaders = "\n".join("%s: %s" % (getUnicode(key.capitalize() if isinstance(key, basestring) else key), getUnicode(value)) for (key, value) in responseHeaders.items())
|
|
|
|
logHTTPTraffic(requestMsg, "%s%s\n\n%s" % (responseMsg, logHeaders, (page or "")[:MAX_CONNECTION_CHUNK_SIZE]))
|
|
|
|
skipLogTraffic = True
|
|
|
|
if conf.verbose <= 5:
|
|
responseMsg += getUnicode(logHeaders)
|
|
elif conf.verbose > 5:
|
|
responseMsg += "%s\n\n%s" % (logHeaders, (page or "")[:MAX_CONNECTION_CHUNK_SIZE])
|
|
|
|
logger.log(CUSTOM_LOGGING.TRAFFIC_IN, responseMsg)
|
|
|
|
if e.code == httplib.UNAUTHORIZED:
|
|
errMsg = "not authorized, try to provide right HTTP "
|
|
errMsg += "authentication type and valid credentials (%d)" % code
|
|
raise SqlmapConnectionException(errMsg)
|
|
elif e.code == httplib.NOT_FOUND:
|
|
if raise404:
|
|
errMsg = "page not found (%d)" % code
|
|
raise SqlmapConnectionException(errMsg)
|
|
else:
|
|
debugMsg = "page not found (%d)" % code
|
|
singleTimeLogMessage(debugMsg, logging.DEBUG)
|
|
processResponse(page, responseHeaders)
|
|
elif e.code == httplib.GATEWAY_TIMEOUT:
|
|
if ignoreTimeout:
|
|
return None, None, None
|
|
else:
|
|
warnMsg = "unable to connect to the target URL (%d - %s)" % (e.code, httplib.responses[e.code])
|
|
if threadData.retriesCount < conf.retries and not kb.threadException:
|
|
warnMsg += ". sqlmap is going to retry the request"
|
|
logger.critical(warnMsg)
|
|
return Connect._retryProxy(**kwargs)
|
|
elif kb.testMode:
|
|
logger.critical(warnMsg)
|
|
return None, None, None
|
|
else:
|
|
raise SqlmapConnectionException(warnMsg)
|
|
else:
|
|
debugMsg = "got HTTP error code: %d (%s)" % (code, status)
|
|
logger.debug(debugMsg)
|
|
|
|
except (urllib2.URLError, socket.error, socket.timeout, httplib.BadStatusLine, httplib.IncompleteRead, ProxyError, SqlmapCompressionException), e:
|
|
tbMsg = traceback.format_exc()
|
|
|
|
if "no host given" in tbMsg:
|
|
warnMsg = "invalid URL address used (%s)" % repr(url)
|
|
raise SqlmapSyntaxException(warnMsg)
|
|
elif "forcibly closed" in tbMsg:
|
|
warnMsg = "connection was forcibly closed by the target URL"
|
|
elif "timed out" in tbMsg:
|
|
warnMsg = "connection timed out to the target URL"
|
|
elif "URLError" in tbMsg or "error" in tbMsg:
|
|
warnMsg = "unable to connect to the target URL"
|
|
elif "BadStatusLine" in tbMsg:
|
|
warnMsg = "connection dropped or unknown HTTP "
|
|
warnMsg += "status code received. Try to force the HTTP User-Agent "
|
|
warnMsg += "header with option '--user-agent' or switch '--random-agent'"
|
|
elif "IncompleteRead" in tbMsg:
|
|
warnMsg = "there was an incomplete read error while retrieving data "
|
|
warnMsg += "from the target URL"
|
|
else:
|
|
warnMsg = "unable to connect to the target URL"
|
|
|
|
if "BadStatusLine" not in tbMsg:
|
|
warnMsg += " or proxy"
|
|
|
|
if silent:
|
|
return None, None, None
|
|
elif "forcibly closed" in tbMsg:
|
|
logger.critical(warnMsg)
|
|
return None, None, None
|
|
elif ignoreTimeout and any(_ in tbMsg for _ in ("timed out", "IncompleteRead")):
|
|
return None, None, None
|
|
elif threadData.retriesCount < conf.retries and not kb.threadException:
|
|
warnMsg += ". sqlmap is going to retry the request"
|
|
logger.critical(warnMsg)
|
|
return Connect._retryProxy(**kwargs)
|
|
elif kb.testMode:
|
|
logger.critical(warnMsg)
|
|
return None, None, None
|
|
else:
|
|
raise SqlmapConnectionException(warnMsg)
|
|
|
|
finally:
|
|
page = page if isinstance(page, unicode) else getUnicode(page)
|
|
socket.setdefaulttimeout(conf.timeout)
|
|
|
|
processResponse(page, responseHeaders)
|
|
|
|
responseMsg += "[#%d] (%d %s):\n" % (threadData.lastRequestUID, code, status)
|
|
if responseHeaders:
|
|
logHeaders = "\n".join("%s: %s" % (getUnicode(key.capitalize() if isinstance(key, basestring) else key), getUnicode(value)) for (key, value) in responseHeaders.items())
|
|
|
|
if not skipLogTraffic:
|
|
logHTTPTraffic(requestMsg, "%s%s\n\n%s" % (responseMsg, logHeaders, (page or "")[:MAX_CONNECTION_CHUNK_SIZE]))
|
|
|
|
if conf.verbose <= 5:
|
|
responseMsg += getUnicode(logHeaders)
|
|
elif conf.verbose > 5:
|
|
responseMsg += "%s\n\n%s" % (logHeaders, (page or "")[:MAX_CONNECTION_CHUNK_SIZE])
|
|
|
|
logger.log(CUSTOM_LOGGING.TRAFFIC_IN, responseMsg)
|
|
|
|
return page, responseHeaders, code
|
|
|
|
@staticmethod
|
|
def queryPage(value=None, place=None, content=False, getRatioValue=False, silent=False, method=None, timeBasedCompare=False, noteResponseTime=True, auxHeaders=None, response=False, raise404=None, removeReflection=True):
|
|
"""
|
|
This method calls a function to get the target URL page content
|
|
and returns its page MD5 hash or a boolean value in case of
|
|
string match check ('--string' command line parameter)
|
|
"""
|
|
|
|
if conf.direct:
|
|
return direct(value, content)
|
|
|
|
get = None
|
|
post = None
|
|
cookie = None
|
|
ua = None
|
|
referer = None
|
|
host = None
|
|
page = None
|
|
pageLength = None
|
|
uri = None
|
|
code = None
|
|
urlEncodePost = None
|
|
|
|
if not place:
|
|
place = kb.injection.place or PLACE.GET
|
|
|
|
raise404 = place != PLACE.URI if raise404 is None else raise404
|
|
|
|
value = agent.adjustLateValues(value)
|
|
payload = agent.extractPayload(value)
|
|
threadData = getCurrentThreadData()
|
|
|
|
if conf.httpHeaders:
|
|
headers = dict(conf.httpHeaders)
|
|
contentType = max(headers[_] if _.upper() == HTTP_HEADER.CONTENT_TYPE.upper() else None for _ in headers.keys())
|
|
urlEncodePost = contentType and "urlencoded" in contentType or contentType is None
|
|
|
|
if (kb.postHint or conf.skipUrlEncode) and urlEncodePost:
|
|
urlEncodePost = False
|
|
conf.httpHeaders = [_ for _ in conf.httpHeaders if _[1] != contentType]
|
|
contentType = POST_HINT_CONTENT_TYPES.get(kb.postHint, PLAIN_TEXT_CONTENT_TYPE)
|
|
conf.httpHeaders.append((HTTP_HEADER.CONTENT_TYPE, contentType))
|
|
|
|
if payload:
|
|
if kb.tamperFunctions:
|
|
for function in kb.tamperFunctions:
|
|
payload = function(payload=payload, headers=auxHeaders)
|
|
if not isinstance(payload, basestring):
|
|
errMsg = "tamper function '%s' returns " % function.func_name
|
|
errMsg += "invalid payload type ('%s')" % type(payload)
|
|
raise SqlmapValueException(errMsg)
|
|
|
|
value = agent.replacePayload(value, payload)
|
|
|
|
logger.log(CUSTOM_LOGGING.PAYLOAD, safecharencode(payload))
|
|
|
|
if place == PLACE.CUSTOM_POST:
|
|
if kb.postHint in (POST_HINT.SOAP, POST_HINT.XML):
|
|
# payloads in SOAP/XML should have chars > and < replaced
|
|
# with their HTML encoded counterparts
|
|
payload = payload.replace('>', ">").replace('<', "<")
|
|
elif kb.postHint == POST_HINT.JSON:
|
|
if payload.startswith('"') and payload.endswith('"'):
|
|
payload = json.dumps(payload[1:-1])
|
|
else:
|
|
payload = json.dumps(payload)[1:-1]
|
|
value = agent.replacePayload(value, payload)
|
|
else:
|
|
# GET, POST, URI and Cookie payload needs to be throughly URL encoded
|
|
if place in (PLACE.GET, PLACE.URI, PLACE.COOKIE) and not conf.skipUrlEncode or place in (PLACE.POST,) and urlEncodePost:
|
|
payload = urlencode(payload, '%', False, place != PLACE.URI)
|
|
value = agent.replacePayload(value, payload)
|
|
|
|
if conf.hpp:
|
|
if not any(conf.url.lower().endswith(_.lower()) for _ in (WEB_API.ASP, WEB_API.ASPX)):
|
|
warnMsg = "HTTP parameter pollution should work only against "
|
|
warnMsg += "ASP(.NET) targets"
|
|
singleTimeWarnMessage(warnMsg)
|
|
if place in (PLACE.GET, PLACE.POST):
|
|
_ = re.escape(PAYLOAD_DELIMITER)
|
|
match = re.search("(?P<name>\w+)=%s(?P<value>.+?)%s" % (_, _), value)
|
|
if match:
|
|
payload = match.group("value")
|
|
|
|
for splitter in (urlencode(' '), ' '):
|
|
if splitter in payload:
|
|
prefix, suffix = ("*/", "/*") if splitter == ' ' else (urlencode(_) for _ in ("*/", "/*"))
|
|
parts = payload.split(splitter)
|
|
parts[0] = "%s%s" % (parts[0], suffix)
|
|
parts[-1] = "%s%s=%s%s" % (DEFAULT_GET_POST_DELIMITER, match.group("name"), prefix, parts[-1])
|
|
for i in xrange(1, len(parts) - 1):
|
|
parts[i] = "%s%s=%s%s%s" % (DEFAULT_GET_POST_DELIMITER, match.group("name"), prefix, parts[i], suffix)
|
|
payload = "".join(parts)
|
|
|
|
for splitter in (urlencode(','), ','):
|
|
payload = payload.replace(splitter, "%s%s=" % (DEFAULT_GET_POST_DELIMITER, match.group("name")))
|
|
|
|
value = agent.replacePayload(value, payload)
|
|
else:
|
|
warnMsg = "HTTP parameter pollution works only with regular "
|
|
warnMsg += "GET and POST parameters"
|
|
singleTimeWarnMessage(warnMsg)
|
|
|
|
if place:
|
|
value = agent.removePayloadDelimiters(value)
|
|
|
|
if PLACE.GET in conf.parameters:
|
|
get = conf.parameters[PLACE.GET] if place != PLACE.GET or not value else value
|
|
|
|
if PLACE.POST in conf.parameters:
|
|
post = conf.parameters[PLACE.POST] if place != PLACE.POST or not value else value
|
|
|
|
if PLACE.CUSTOM_POST in conf.parameters:
|
|
post = conf.parameters[PLACE.CUSTOM_POST].replace(CUSTOM_INJECTION_MARK_CHAR, "") if place != PLACE.CUSTOM_POST or not value else value
|
|
post = post.replace(ASTERISK_MARKER, '*') if post else post
|
|
|
|
if PLACE.COOKIE in conf.parameters:
|
|
cookie = conf.parameters[PLACE.COOKIE] if place != PLACE.COOKIE or not value else value
|
|
|
|
if PLACE.USER_AGENT in conf.parameters:
|
|
ua = conf.parameters[PLACE.USER_AGENT] if place != PLACE.USER_AGENT 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.HOST in conf.parameters:
|
|
host = conf.parameters[PLACE.HOST] if place != PLACE.HOST 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 value and place == PLACE.CUSTOM_HEADER:
|
|
if not auxHeaders:
|
|
auxHeaders = {}
|
|
auxHeaders[value.split(',')[0]] = value.split(',', 1)[1]
|
|
|
|
if conf.rParam:
|
|
def _randomizeParameter(paramString, randomParameter):
|
|
retVal = paramString
|
|
match = re.search("%s=(?P<value>[^&;]+)" % randomParameter, paramString)
|
|
if match:
|
|
origValue = match.group("value")
|
|
retVal = re.sub("%s=[^&;]+" % randomParameter, "%s=%s" % (randomParameter, randomizeParameterValue(origValue)), paramString)
|
|
return retVal
|
|
|
|
for randomParameter in conf.rParam:
|
|
for item in (PLACE.GET, PLACE.POST, PLACE.COOKIE):
|
|
if item in conf.parameters:
|
|
if item == PLACE.GET and get:
|
|
get = _randomizeParameter(get, randomParameter)
|
|
elif item == PLACE.POST and post:
|
|
post = _randomizeParameter(post, randomParameter)
|
|
elif item == PLACE.COOKIE and cookie:
|
|
cookie = _randomizeParameter(cookie, randomParameter)
|
|
|
|
if conf.evalCode:
|
|
delimiter = conf.pDel or DEFAULT_GET_POST_DELIMITER
|
|
variables = {}
|
|
originals = {}
|
|
|
|
for item in filter(None, (get, post)):
|
|
for part in item.split(delimiter):
|
|
if '=' in part:
|
|
name, value = part.split('=', 1)
|
|
value = urldecode(value, convall=True, plusspace=(item==post and kb.postSpaceToPlus))
|
|
evaluateCode("%s=%s" % (name, repr(value)), variables)
|
|
|
|
originals.update(variables)
|
|
evaluateCode(conf.evalCode, variables)
|
|
|
|
for name, value in variables.items():
|
|
if name != "__builtins__" and originals.get(name, "") != value:
|
|
if isinstance(value, (basestring, int)):
|
|
value = unicode(value)
|
|
if '%s=' % name in (get or ""):
|
|
get = re.sub("((\A|\W)%s=)([^%s]+)" % (name, delimiter), "\g<1>%s" % value, get)
|
|
elif '%s=' % name in (post or ""):
|
|
post = re.sub("((\A|\W)%s=)([^%s]+)" % (name, delimiter), "\g<1>%s" % value, post)
|
|
elif post is not None:
|
|
post += "%s%s=%s" % (delimiter, name, value)
|
|
else:
|
|
get += "%s%s=%s" % (delimiter, name, value)
|
|
|
|
if not conf.skipUrlEncode:
|
|
get = urlencode(get, limit=True)
|
|
|
|
if post is not None:
|
|
if place not in (PLACE.POST, PLACE.CUSTOM_POST) and hasattr(post, UNENCODED_ORIGINAL_VALUE):
|
|
post = getattr(post, UNENCODED_ORIGINAL_VALUE)
|
|
elif urlEncodePost:
|
|
post = urlencode(post, spaceplus=kb.postSpaceToPlus)
|
|
|
|
if timeBasedCompare:
|
|
if len(kb.responseTimes) < MIN_TIME_RESPONSES:
|
|
clearConsoleLine()
|
|
|
|
if conf.tor:
|
|
warnMsg = "it's highly recommended to avoid usage of switch '--tor' for "
|
|
warnMsg += "time-based injections because of its high latency time"
|
|
singleTimeWarnMessage(warnMsg)
|
|
|
|
warnMsg = "time-based comparison needs larger statistical "
|
|
warnMsg += "model. Making a few dummy requests, please wait.."
|
|
singleTimeWarnMessage(warnMsg)
|
|
|
|
while len(kb.responseTimes) < MIN_TIME_RESPONSES:
|
|
Connect.queryPage(content=True)
|
|
|
|
deviation = stdev(kb.responseTimes)
|
|
|
|
if deviation > WARN_TIME_STDEV:
|
|
kb.adjustTimeDelay = ADJUST_TIME_DELAY.DISABLE
|
|
|
|
warnMsg = "there is considerable lagging "
|
|
warnMsg += "in connection response(s). Please use as high "
|
|
warnMsg += "value for option '--time-sec' as possible (e.g. "
|
|
warnMsg += "%d or more)" % (conf.timeSec * 2)
|
|
logger.critical(warnMsg)
|
|
|
|
elif not kb.testMode:
|
|
warnMsg = "it is very important not to stress the network adapter's "
|
|
warnMsg += "bandwidth during usage of time-based payloads"
|
|
singleTimeWarnMessage(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, host=host)
|
|
|
|
start = time.time()
|
|
|
|
if kb.nullConnection and not content and not response and not timeBasedCompare:
|
|
noteResponseTime = False
|
|
|
|
if kb.nullConnection == NULLCONNECTION.HEAD:
|
|
method = HTTPMETHOD.HEAD
|
|
elif kb.nullConnection == NULLCONNECTION.RANGE:
|
|
if not auxHeaders:
|
|
auxHeaders = {}
|
|
|
|
auxHeaders[HTTP_HEADER.RANGE] = "bytes=-1"
|
|
|
|
_, headers, code = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, host=host, silent=silent, method=method, auxHeaders=auxHeaders, raise404=raise404)
|
|
|
|
if headers:
|
|
if kb.nullConnection == NULLCONNECTION.HEAD and HTTP_HEADER.CONTENT_LENGTH in headers:
|
|
pageLength = int(headers[HTTP_HEADER.CONTENT_LENGTH])
|
|
elif kb.nullConnection == NULLCONNECTION.RANGE and HTTP_HEADER.CONTENT_RANGE in headers:
|
|
pageLength = int(headers[HTTP_HEADER.CONTENT_RANGE][headers[HTTP_HEADER.CONTENT_RANGE].find('/') + 1:])
|
|
|
|
if not pageLength:
|
|
try:
|
|
page, headers, code = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, referer=referer, host=host, silent=silent, method=method, auxHeaders=auxHeaders, response=response, raise404=raise404, ignoreTimeout=timeBasedCompare)
|
|
except MemoryError:
|
|
page, headers, code = None, None, None
|
|
warnMsg = "site returned insanely large response"
|
|
if kb.testMode:
|
|
warnMsg += " in testing phase. This is a common "
|
|
warnMsg += "behavior in custom WAF/IDS/IPS solutions"
|
|
singleTimeWarnMessage(warnMsg)
|
|
|
|
if conf.secondOrder:
|
|
page, headers, code = Connect.getPage(url=conf.secondOrder, cookie=cookie, ua=ua, silent=silent, auxHeaders=auxHeaders, response=response, raise404=False, ignoreTimeout=timeBasedCompare, refreshing=True)
|
|
|
|
threadData.lastQueryDuration = calculateDeltaSeconds(start)
|
|
|
|
kb.originalCode = kb.originalCode or code
|
|
|
|
if kb.testMode:
|
|
kb.testQueryCount += 1
|
|
|
|
if timeBasedCompare:
|
|
return wasLastResponseDelayed()
|
|
elif noteResponseTime:
|
|
kb.responseTimes.append(threadData.lastQueryDuration)
|
|
|
|
if not response and removeReflection:
|
|
page = removeReflectiveValues(page, payload)
|
|
|
|
kb.maxConnectionsFlag = re.search(MAX_CONNECTIONS_REGEX, page or "", re.I) is not None
|
|
kb.permissionFlag = re.search(PERMISSION_DENIED_REGEX, page or "", re.I) is not None
|
|
|
|
if content or response:
|
|
return page, headers
|
|
|
|
if getRatioValue:
|
|
return comparison(page, headers, code, getRatioValue=False, pageLength=pageLength), comparison(page, headers, code, getRatioValue=True, pageLength=pageLength)
|
|
elif pageLength or page:
|
|
return comparison(page, headers, code, getRatioValue, pageLength)
|
|
else:
|
|
return False
|