#!/usr/bin/env python """ Copyright (c) 2006-2016 sqlmap developers (http://sqlmap.org/) See the file 'doc/COPYING' for copying permission """ import binascii import compiler import httplib import json import keyword import logging import re import socket import string import struct import time import traceback import urllib2 import urlparse try: import websocket from websocket import WebSocketException except ImportError: class WebSocketException(Exception): pass from extra.safe2bin.safe2bin import safecharencode from lib.core.agent import agent from lib.core.common import asciifyUrl from lib.core.common import calculateDeltaSeconds from lib.core.common import clearConsoleLine from lib.core.common import cpuThrottle from lib.core.common import dataToStdout from lib.core.common import evaluateCode from lib.core.common import extractRegexResult from lib.core.common import findMultipartPostBoundary from lib.core.common import getCurrentThreadData from lib.core.common import getHeader from lib.core.common import getHostHeader from lib.core.common import getRequestHeader from lib.core.common import getSafeExString from lib.core.common import getUnicode from lib.core.common import logHTTPTraffic from lib.core.common import pushValue from lib.core.common import popValue from lib.core.common import randomizeParameterValue from lib.core.common import randomInt from lib.core.common import randomStr from lib.core.common import readInput from lib.core.common import removeReflectiveValues from lib.core.common import singleTimeLogMessage from lib.core.common import singleTimeWarnMessage from lib.core.common import stdev from lib.core.common import wasLastResponseDelayed from lib.core.common import unicodeencode from lib.core.common import urldecode from lib.core.common import urlencode from lib.core.data import conf from lib.core.data import kb from lib.core.data import logger from lib.core.dicts import POST_HINT_CONTENT_TYPES from lib.core.enums import ADJUST_TIME_DELAY from lib.core.enums import AUTH_TYPE from lib.core.enums import CUSTOM_LOGGING from lib.core.enums import HTTP_HEADER from lib.core.enums import HTTPMETHOD from lib.core.enums import NULLCONNECTION from lib.core.enums import PAYLOAD from lib.core.enums import PLACE from lib.core.enums import POST_HINT from lib.core.enums import REDIRECTION from lib.core.enums import WEB_API from lib.core.exception import SqlmapCompressionException from lib.core.exception import SqlmapConnectionException from lib.core.exception import SqlmapGenericException from lib.core.exception import SqlmapSyntaxException from lib.core.exception import SqlmapTokenException from lib.core.exception import SqlmapValueException from lib.core.settings import ASTERISK_MARKER from lib.core.settings import CUSTOM_INJECTION_MARK_CHAR from lib.core.settings import DEFAULT_CONTENT_TYPE from lib.core.settings import DEFAULT_COOKIE_DELIMITER from lib.core.settings import DEFAULT_GET_POST_DELIMITER from lib.core.settings import EVALCODE_KEYWORD_SUFFIX from lib.core.settings import HTTP_ACCEPT_HEADER_VALUE from lib.core.settings import HTTP_ACCEPT_ENCODING_HEADER_VALUE from lib.core.settings import MAX_CONNECTION_CHUNK_SIZE from lib.core.settings import MAX_CONNECTIONS_REGEX from lib.core.settings import MAX_CONNECTION_TOTAL_SIZE from lib.core.settings import META_REFRESH_REGEX from lib.core.settings import MIN_TIME_RESPONSES from lib.core.settings import IS_WIN from lib.core.settings import LARGE_CHUNK_TRIM_MARKER from lib.core.settings import PAYLOAD_DELIMITER from lib.core.settings import PERMISSION_DENIED_REGEX from lib.core.settings import PLAIN_TEXT_CONTENT_TYPE from lib.core.settings import RANDOM_INTEGER_MARKER from lib.core.settings import RANDOM_STRING_MARKER from lib.core.settings import REPLACEMENT_MARKER from lib.core.settings import TEXT_CONTENT_TYPE_REGEX from lib.core.settings import UNENCODED_ORIGINAL_VALUE from lib.core.settings import URI_HTTP_HEADER from lib.core.settings import WARN_TIME_STDEV from lib.request.basic import decodePage from lib.request.basic import forgeHeaders from lib.request.basic import processResponse from lib.request.direct import direct from lib.request.comparison import comparison from lib.request.methodrequest import MethodRequest from thirdparty.multipart import multipartpost from thirdparty.odict.odict import OrderedDict from thirdparty.socks.socks import ProxyError class Connect(object): """ This class defines methods used to perform HTTP requests """ @staticmethod def _getPageProxy(**kwargs): return Connect.getPage(**kwargs) @staticmethod def _retryProxy(**kwargs): threadData = getCurrentThreadData() threadData.retriesCount += 1 if conf.proxyList and threadData.retriesCount >= conf.retries: warnMsg = "changing proxy" logger.warn(warnMsg) conf.proxy = None threadData.retriesCount = 0 setHTTPHandlers() if kb.testMode and kb.previousMethod == PAYLOAD.METHOD.TIME: # timed based payloads can cause web server unresponsiveness # if the injectable piece of code is some kind of JOIN-like query warnMsg = "most probably web server instance hasn't recovered yet " warnMsg += "from previous timed based payload. If the problem " warnMsg += "persists please wait for few minutes and rerun " warnMsg += "without flag T in option '--technique' " warnMsg += "(e.g. '--flush-session --technique=BEUS') or try to " warnMsg += "lower the value of option '--time-sec' (e.g. '--time-sec=2')" singleTimeWarnMessage(warnMsg) elif kb.originalPage is None: if conf.tor: warnMsg = "please make sure that you have " warnMsg += "Tor installed and running so " warnMsg += "you could successfully use " warnMsg += "switch '--tor' " if IS_WIN: warnMsg += "(e.g. 'https://www.torproject.org/download/download.html.en')" else: warnMsg += "(e.g. 'https://help.ubuntu.com/community/Tor')" else: warnMsg = "if the problem persists please check that the provided " warnMsg += "target URL is valid. In case that it is, you can try to rerun " warnMsg += "with the switch '--random-agent' turned on " warnMsg += "and/or proxy switches ('--ignore-proxy', '--proxy',...)" singleTimeWarnMessage(warnMsg) elif conf.threads > 1: warnMsg = "if the problem persists please try to lower " warnMsg += "the number of used threads (option '--threads')" singleTimeWarnMessage(warnMsg) kwargs['retrying'] = True return Connect._getPageProxy(**kwargs) @staticmethod def _connReadProxy(conn): retVal = "" if not kb.dnsMode and conn: headers = conn.info() if headers and hasattr(headers, "getheader") and (headers.getheader(HTTP_HEADER.CONTENT_ENCODING, "").lower() in ("gzip", "deflate")\ or "text" not in headers.getheader(HTTP_HEADER.CONTENT_TYPE, "").lower()): retVal = conn.read(MAX_CONNECTION_TOTAL_SIZE) if len(retVal) == MAX_CONNECTION_TOTAL_SIZE: warnMsg = "large compressed response detected. Disabling compression" singleTimeWarnMessage(warnMsg) kb.pageCompress = False else: while True: if not conn: break else: _ = conn.read(MAX_CONNECTION_CHUNK_SIZE) if len(_) == MAX_CONNECTION_CHUNK_SIZE: warnMsg = "large response detected. This could take a while" singleTimeWarnMessage(warnMsg) _ = 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), _) retVal += _ else: retVal += _ break if len(retVal) > MAX_CONNECTION_TOTAL_SIZE: warnMsg = "too large response detected. Automatically trimming it" singleTimeWarnMessage(warnMsg) break return retVal @staticmethod def getPage(**kwargs): """ This method connects to the target URL or proxy and returns the target URL page content """ if isinstance(conf.delay, (int, float)) and conf.delay > 0: time.sleep(conf.delay) elif conf.cpuThrottle: cpuThrottle(conf.cpuThrottle) if conf.offline: return None, None, None elif conf.dummy: return getUnicode(randomStr(int(randomInt()), alphabet=[chr(_) for _ in xrange(256)]), {}, int(randomInt())), None, None threadData = getCurrentThreadData() with kb.locks.request: kb.requestCounter += 1 threadData.lastRequestUID = kb.requestCounter url = kwargs.get("url", None) or conf.url get = kwargs.get("get", None) post = kwargs.get("post", None) method = kwargs.get("method", None) cookie = kwargs.get("cookie", None) ua = kwargs.get("ua", None) or conf.agent referer = kwargs.get("referer", None) or conf.referer host = kwargs.get("host", None) or conf.host direct_ = kwargs.get("direct", False) multipart = kwargs.get("multipart", False) silent = kwargs.get("silent", False) raise404 = kwargs.get("raise404", True) timeout = kwargs.get("timeout", None) or conf.timeout auxHeaders = kwargs.get("auxHeaders", None) response = kwargs.get("response", False) ignoreTimeout = kwargs.get("ignoreTimeout", False) or kb.ignoreTimeout refreshing = kwargs.get("refreshing", False) retrying = kwargs.get("retrying", False) crawling = kwargs.get("crawling", False) skipRead = kwargs.get("skipRead", False) websocket_ = url.lower().startswith("ws") if not urlparse.urlsplit(url).netloc: url = urlparse.urljoin(conf.url, url) # flag to know if we are dealing with the same target host target = reduce(lambda x, y: x == y, map(lambda x: urlparse.urlparse(x).netloc.split(':')[0], [url, conf.url or ""])) if not retrying: # Reset the number of connection retries threadData.retriesCount = 0 # fix for known issue when urllib2 just skips the other part of provided # url splitted with space char while urlencoding it in the later phase url = url.replace(" ", "%20") conn = None code = None page = None _ = urlparse.urlsplit(url) requestMsg = u"HTTP request [#%d]:\n%s " % (threadData.lastRequestUID, method or (HTTPMETHOD.POST if post is not None else HTTPMETHOD.GET)) requestMsg += ("%s%s" % (_.path or "/", ("?%s" % _.query) if _.query else "")) if not any((refreshing, crawling)) else url responseMsg = u"HTTP response " requestHeaders = u"" responseHeaders = None logHeaders = u"" skipLogTraffic = False raise404 = raise404 and not kb.ignoreNotFound # support for non-latin (e.g. cyrillic) URLs as urllib/urllib2 doesn't # support those by default url = asciifyUrl(url) try: socket.setdefaulttimeout(timeout) if direct_: if '?' in url: url, params = url.split('?', 1) params = urlencode(params) url = "%s?%s" % (url, params) elif multipart: # Needed in this form because of potential circle dependency # problem (option -> update -> connect -> option) from lib.core.option import proxyHandler multipartOpener = urllib2.build_opener(proxyHandler, multipartpost.MultipartPostHandler) conn = multipartOpener.open(unicodeencode(url), multipart) page = Connect._connReadProxy(conn) if not skipRead else None responseHeaders = conn.info() responseHeaders[URI_HTTP_HEADER] = conn.geturl() page = decodePage(page, responseHeaders.get(HTTP_HEADER.CONTENT_ENCODING), responseHeaders.get(HTTP_HEADER.CONTENT_TYPE)) return page elif any((refreshing, crawling)): pass elif target: if conf.forceSSL and urlparse.urlparse(url).scheme != "https": url = re.sub("\Ahttp:", "https:", url, re.I) url = re.sub(":80/", ":443/", url, re.I) if PLACE.GET in conf.parameters and not get: get = conf.parameters[PLACE.GET] if not conf.skipUrlEncode: get = urlencode(get, limit=True) if get: if '?' in url: url = "%s%s%s" % (url, DEFAULT_GET_POST_DELIMITER, get) requestMsg += "%s%s" % (DEFAULT_GET_POST_DELIMITER, get) else: url = "%s?%s" % (url, get) requestMsg += "?%s" % get if PLACE.POST in conf.parameters and not post and method != HTTPMETHOD.GET: post = conf.parameters[PLACE.POST] elif get: url = "%s?%s" % (url, get) requestMsg += "?%s" % get requestMsg += " %s" % httplib.HTTPConnection._http_vsn_str # Prepare HTTP headers headers = forgeHeaders({HTTP_HEADER.COOKIE: cookie, HTTP_HEADER.USER_AGENT: ua, HTTP_HEADER.REFERER: referer, HTTP_HEADER.HOST: host}) if HTTP_HEADER.COOKIE in headers: cookie = headers[HTTP_HEADER.COOKIE] if kb.authHeader: headers[HTTP_HEADER.AUTHORIZATION] = kb.authHeader if kb.proxyAuthHeader: headers[HTTP_HEADER.PROXY_AUTHORIZATION] = kb.proxyAuthHeader if not getHeader(headers, HTTP_HEADER.ACCEPT): headers[HTTP_HEADER.ACCEPT] = HTTP_ACCEPT_HEADER_VALUE if not getHeader(headers, HTTP_HEADER.HOST) or not target: headers[HTTP_HEADER.HOST] = getHostHeader(url) if not getHeader(headers, HTTP_HEADER.ACCEPT_ENCODING): headers[HTTP_HEADER.ACCEPT_ENCODING] = HTTP_ACCEPT_ENCODING_HEADER_VALUE if kb.pageCompress else "identity" if post is not None and not getHeader(headers, HTTP_HEADER.CONTENT_TYPE): headers[HTTP_HEADER.CONTENT_TYPE] = POST_HINT_CONTENT_TYPES.get(kb.postHint, DEFAULT_CONTENT_TYPE) if headers.get(HTTP_HEADER.CONTENT_TYPE) == POST_HINT_CONTENT_TYPES[POST_HINT.MULTIPART]: warnMsg = "missing 'boundary parameter' in '%s' header. " % HTTP_HEADER.CONTENT_TYPE warnMsg += "Will try to reconstruct" singleTimeWarnMessage(warnMsg) boundary = findMultipartPostBoundary(conf.data) if boundary: headers[HTTP_HEADER.CONTENT_TYPE] = "%s; boundary=%s" % (headers[HTTP_HEADER.CONTENT_TYPE], boundary) # Reset header values to original in case of provided request file if target and conf.requestFile: headers = OrderedDict(conf.httpHeaders) if cookie: headers[HTTP_HEADER.COOKIE] = cookie if auxHeaders: for key, value in auxHeaders.items(): for _ in headers.keys(): if _.upper() == key.upper(): del headers[_] headers[key] = value for key, value in headers.items(): del headers[key] headers[unicodeencode(key, kb.pageEncoding)] = unicodeencode(value, kb.pageEncoding) for char in (r"\r", r"\n"): value = re.sub(r"(%s)([^ \t])" % char, r"\g<1>\t\g<2>", value) url = unicodeencode(url) post = unicodeencode(post) if websocket_: ws = websocket.WebSocket() ws.connect(url, header=("%s: %s" % _ for _ in headers.items() if _[0] not in ("Host",)), cookie=cookie) # WebSocket will add Host field of headers automatically ws.send(urldecode(post or "")) page = ws.recv() ws.close() code = ws.status status = httplib.responses[code] class _(dict): pass responseHeaders = _(ws.getheaders()) responseHeaders.headers = ["%s: %s\r\n" % (_[0].capitalize(), _[1]) for _ in responseHeaders.items()] requestHeaders += "\n".join("%s: %s" % (getUnicode(key.capitalize() if isinstance(key, basestring) else key), getUnicode(value)) for (key, value) in responseHeaders.items()) requestMsg += "\n%s" % requestHeaders if post is not None: requestMsg += "\n\n%s" % getUnicode(post) requestMsg += "\n" threadData.lastRequestMsg = requestMsg logger.log(CUSTOM_LOGGING.TRAFFIC_OUT, requestMsg) else: if method and method not in (HTTPMETHOD.GET, HTTPMETHOD.POST): method = unicodeencode(method) req = MethodRequest(url, post, headers) req.set_method(method) else: req = urllib2.Request(url, post, headers) requestHeaders += "\n".join("%s: %s" % (getUnicode(key.capitalize() if isinstance(key, basestring) else key), getUnicode(value)) for (key, value) in req.header_items()) if not getRequestHeader(req, HTTP_HEADER.COOKIE) and conf.cj: conf.cj._policy._now = conf.cj._now = int(time.time()) cookies = conf.cj._cookies_for_request(req) requestHeaders += "\n%s" % ("Cookie: %s" % ";".join("%s=%s" % (getUnicode(cookie.name), getUnicode(cookie.value)) for cookie in cookies)) if post is not None: if not getRequestHeader(req, HTTP_HEADER.CONTENT_LENGTH): requestHeaders += "\n%s: %d" % (string.capwords(HTTP_HEADER.CONTENT_LENGTH), len(post)) if not getRequestHeader(req, HTTP_HEADER.CONNECTION): requestHeaders += "\n%s: close" % HTTP_HEADER.CONNECTION requestMsg += "\n%s" % requestHeaders if post is not None: requestMsg += "\n\n%s" % getUnicode(post) requestMsg += "\n" threadData.lastRequestMsg = requestMsg logger.log(CUSTOM_LOGGING.TRAFFIC_OUT, requestMsg) if conf.cj: for cookie in conf.cj: if cookie.value is None: cookie.value = "" else: for char in (r"\r", r"\n"): cookie.value = re.sub(r"(%s)([^ \t])" % char, r"\g<1>\t\g<2>", cookie.value) conn = urllib2.urlopen(req) if not kb.authHeader and getRequestHeader(req, HTTP_HEADER.AUTHORIZATION) and (conf.authType or "").lower() == AUTH_TYPE.BASIC.lower(): kb.authHeader = getRequestHeader(req, HTTP_HEADER.AUTHORIZATION) if not kb.proxyAuthHeader and getRequestHeader(req, HTTP_HEADER.PROXY_AUTHORIZATION): kb.proxyAuthHeader = getRequestHeader(req, HTTP_HEADER.PROXY_AUTHORIZATION) # Return response object if response: return conn, None, None # Get HTTP response if hasattr(conn, 'redurl'): page = (threadData.lastRedirectMsg[1] if kb.redirectChoice == REDIRECTION.NO\ else Connect._connReadProxy(conn)) if not skipRead else None skipLogTraffic = kb.redirectChoice == REDIRECTION.NO code = conn.redcode else: page = Connect._connReadProxy(conn) if not skipRead else None code = code or conn.code responseHeaders = conn.info() responseHeaders[URI_HTTP_HEADER] = conn.geturl() page = decodePage(page, responseHeaders.get(HTTP_HEADER.CONTENT_ENCODING), responseHeaders.get(HTTP_HEADER.CONTENT_TYPE)) status = getUnicode(conn.msg) if extractRegexResult(META_REFRESH_REGEX, page) and not refreshing: refresh = extractRegexResult(META_REFRESH_REGEX, page) debugMsg = "got HTML meta refresh header" logger.debug(debugMsg) if kb.alwaysRefresh is None: msg = "sqlmap got a refresh request " msg += "(redirect like response common to login pages). " msg += "Do you want to apply the refresh " msg += "from now on (or stay on the original page)? [Y/n]" choice = readInput(msg, default="Y") kb.alwaysRefresh = choice not in ("n", "N") if kb.alwaysRefresh: if re.search(r"\Ahttps?://", refresh, re.I): url = refresh else: url = urlparse.urljoin(url, refresh) threadData.lastRedirectMsg = (threadData.lastRequestUID, page) kwargs['refreshing'] = True kwargs['url'] = url kwargs['get'] = None kwargs['post'] = None try: return Connect._getPageProxy(**kwargs) except SqlmapSyntaxException: pass # Explicit closing of connection object if conn and not conf.keepAlive: try: if hasattr(conn.fp, '_sock'): conn.fp._sock.close() conn.close() except Exception, ex: warnMsg = "problem occurred during connection closing ('%s')" % getSafeExString(ex) logger.warn(warnMsg) except urllib2.HTTPError, ex: page = None responseHeaders = None try: page = ex.read() if not skipRead else None responseHeaders = ex.info() responseHeaders[URI_HTTP_HEADER] = ex.geturl() page = decodePage(page, responseHeaders.get(HTTP_HEADER.CONTENT_ENCODING), responseHeaders.get(HTTP_HEADER.CONTENT_TYPE)) except socket.timeout: warnMsg = "connection timed out while trying " warnMsg += "to get error page information (%d)" % ex.code logger.warn(warnMsg) return None, None, None except KeyboardInterrupt: raise except: pass finally: page = page if isinstance(page, unicode) else getUnicode(page) code = ex.code kb.originalCode = kb.originalCode or code threadData.lastHTTPError = (threadData.lastRequestUID, code) kb.httpErrorCodes[code] = kb.httpErrorCodes.get(code, 0) + 1 status = getUnicode(ex.msg) 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 ex.code == httplib.UNAUTHORIZED and not conf.ignore401: errMsg = "not authorized, try to provide right HTTP " errMsg += "authentication type and valid credentials (%d)" % code raise SqlmapConnectionException(errMsg) elif ex.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 ex.code == httplib.GATEWAY_TIMEOUT: if ignoreTimeout: return None, None, None else: warnMsg = "unable to connect to the target URL (%d - %s)" % (ex.code, httplib.responses[ex.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.HTTPException, struct.error, binascii.Error, ProxyError, SqlmapCompressionException, WebSocketException, TypeError): 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 or "Connection is already closed" in tbMsg: warnMsg = "connection was forcibly closed by the target URL" elif "timed out" in tbMsg: if kb.testMode and kb.testType not in (None, PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED): singleTimeWarnMessage("there is a possibility that the target (or WAF) is dropping 'suspicious' requests") 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 "NTLM" in tbMsg: warnMsg = "there has been a problem with NTLM authentication" elif "BadStatusLine" in tbMsg: warnMsg = "connection dropped or unknown HTTP " warnMsg += "status code received" if not conf.agent and not conf.randomAgent: warnMsg += ". 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" elif "Handshake status" in tbMsg: status = re.search("Handshake status ([\d]{3})", tbMsg) errMsg = "websocket handshake status %s" % status.group(1) if status else "unknown" raise SqlmapConnectionException(errMsg) 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" if not retrying: warnMsg += "(s)" logger.critical(warnMsg) else: logger.debug(warnMsg) return Connect._retryProxy(**kwargs) elif kb.testMode: logger.critical(warnMsg) return None, None, None else: raise SqlmapConnectionException(warnMsg) finally: if isinstance(page, basestring) and not isinstance(page, unicode): if HTTP_HEADER.CONTENT_TYPE in (responseHeaders or {}) and not re.search(TEXT_CONTENT_TYPE_REGEX, responseHeaders[HTTP_HEADER.CONTENT_TYPE]): page = unicode(page, errors="ignore") else: page = getUnicode(page) socket.setdefaulttimeout(conf.timeout) processResponse(page, responseHeaders) if conn and getattr(conn, "redurl", None): _ = urlparse.urlsplit(conn.redurl) _ = ("%s%s" % (_.path or "/", ("?%s" % _.query) if _.query else "")) requestMsg = re.sub("(\n[A-Z]+ ).+?( HTTP/\d)", "\g<1>%s\g<2>" % getUnicode(_).replace("\\", "\\\\"), requestMsg, 1) if kb.resendPostOnRedirect is False: requestMsg = re.sub("(\[#\d+\]:\n)POST ", "\g<1>GET ", requestMsg) requestMsg = re.sub("(?i)Content-length: \d+\n", "", requestMsg) requestMsg = re.sub("(?s)\n\n.+", "\n", requestMsg) responseMsg += "[#%d] (%d %s):\n" % (threadData.lastRequestUID, conn.code, status) else: 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 if not place: place = kb.injection.place or PLACE.GET if not auxHeaders: auxHeaders = {} raise404 = place != PLACE.URI if raise404 is None else raise404 method = method or conf.method value = agent.adjustLateValues(value) payload = agent.extractPayload(value) threadData = getCurrentThreadData() if conf.httpHeaders: headers = OrderedDict(conf.httpHeaders) contentType = max(headers[_] if _.upper() == HTTP_HEADER.CONTENT_TYPE.upper() else None for _ in headers.keys()) if (kb.postHint or conf.skipUrlEncode) and kb.postUrlEncode: kb.postUrlEncode = 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: try: payload = function(payload=payload, headers=auxHeaders) except Exception, ex: errMsg = "error occurred while running tamper " errMsg += "function '%s' ('%s')" % (function.func_name, getSafeExString(ex)) raise SqlmapGenericException(errMsg) 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 and kb.postHint: 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] elif kb.postHint == POST_HINT.JSON_LIKE: payload = payload.replace("'", REPLACEMENT_MARKER).replace('"', "'").replace(REPLACEMENT_MARKER, '"') if payload.startswith('"') and payload.endswith('"'): payload = json.dumps(payload[1:-1]) else: payload = json.dumps(payload)[1:-1] payload = payload.replace("'", REPLACEMENT_MARKER).replace('"', "'").replace(REPLACEMENT_MARKER, '"') value = agent.replacePayload(value, payload) else: # GET, POST, URI and Cookie payload needs to be thoroughly URL encoded if place in (PLACE.GET, PLACE.URI, PLACE.COOKIE) and not conf.skipUrlEncode or place in (PLACE.POST, PLACE.CUSTOM_POST) and kb.postUrlEncode: payload = urlencode(payload, '%', False, place != PLACE.URI) # spaceplus is handled down below 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\w+)=%s(?P.+?)%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: auxHeaders[value.split(',')[0]] = value.split(',', 1)[1] if conf.csrfToken: def _adjustParameter(paramString, parameter, newValue): retVal = paramString match = re.search("%s=(?P[^&]*)" % re.escape(parameter), paramString) if match: retVal = re.sub("%s=[^&]*" % re.escape(parameter), "%s=%s" % (parameter, newValue), paramString) return retVal page, headers, code = Connect.getPage(url=conf.csrfUrl or conf.url, data=conf.data if conf.csrfUrl == conf.url else None, method=conf.method if conf.csrfUrl == conf.url else None, cookie=conf.parameters.get(PLACE.COOKIE), direct=True, silent=True, ua=conf.parameters.get(PLACE.USER_AGENT), referer=conf.parameters.get(PLACE.REFERER), host=conf.parameters.get(PLACE.HOST)) match = re.search(r"]+name=[\"']?%s[\"']?\s[^>]*value=(\"([^\"]+)|'([^']+)|([^ >]+))" % re.escape(conf.csrfToken), page or "") token = (match.group(2) or match.group(3) or match.group(4)) if match else None if not token: if conf.csrfUrl != conf.url and code == httplib.OK: if headers and "text/plain" in headers.get(HTTP_HEADER.CONTENT_TYPE, ""): token = page if not token and conf.cj and any(_.name == conf.csrfToken for _ in conf.cj): for _ in conf.cj: if _.name == conf.csrfToken: token = _.value if not any (conf.csrfToken in _ for _ in (conf.paramDict.get(PLACE.GET, {}), conf.paramDict.get(PLACE.POST, {}))): if post: post = "%s%s%s=%s" % (post, conf.paramDel or DEFAULT_GET_POST_DELIMITER, conf.csrfToken, token) elif get: get = "%s%s%s=%s" % (get, conf.paramDel or DEFAULT_GET_POST_DELIMITER, conf.csrfToken, token) else: get = "%s=%s" % (conf.csrfToken, token) break if not token: errMsg = "anti-CSRF token '%s' can't be found at '%s'" % (conf.csrfToken, conf.csrfUrl or conf.url) if not conf.csrfUrl: errMsg += ". You can try to rerun by providing " errMsg += "a valid value for option '--csrf-url'" raise SqlmapTokenException, errMsg if token: for place in (PLACE.GET, PLACE.POST): if place in conf.parameters: if place == PLACE.GET and get: get = _adjustParameter(get, conf.csrfToken, token) elif place == PLACE.POST and post: post = _adjustParameter(post, conf.csrfToken, token) for i in xrange(len(conf.httpHeaders)): if conf.httpHeaders[i][0].lower() == conf.csrfToken.lower(): conf.httpHeaders[i] = (conf.httpHeaders[i][0], token) if conf.rParam: def _randomizeParameter(paramString, randomParameter): retVal = paramString match = re.search(r"(\A|\b)%s=(?P[^&;]+)" % re.escape(randomParameter), paramString) if match: origValue = match.group("value") retVal = re.sub(r"(\A|\b)%s=[^&;]+" % re.escape(randomParameter), "%s=%s" % (randomParameter, randomizeParameterValue(origValue)), paramString) return retVal for randomParameter in conf.rParam: for item in (PLACE.GET, PLACE.POST, PLACE.COOKIE, PLACE.URI, PLACE.CUSTOM_POST): if item in conf.parameters: if item == PLACE.GET and get: get = _randomizeParameter(get, randomParameter) elif item in (PLACE.POST, PLACE.CUSTOM_POST) and post: post = _randomizeParameter(post, randomParameter) elif item == PLACE.COOKIE and cookie: cookie = _randomizeParameter(cookie, randomParameter) elif item == PLACE.URI and uri: uri = _randomizeParameter(uri, randomParameter) if conf.evalCode: delimiter = conf.paramDel or DEFAULT_GET_POST_DELIMITER variables = {"uri": uri, "lastPage": threadData.lastPage, "_locals": locals()} originals = {} keywords = keyword.kwlist if not get and PLACE.URI in conf.parameters: query = urlparse.urlsplit(uri).query or "" else: query = None for item in filter(None, (get, post if not kb.postHint else None, query)): for part in item.split(delimiter): if '=' in part: name, value = part.split('=', 1) name = re.sub(r"[^\w]", "", name.strip()) if name in keywords: name = "%s%s" % (name, EVALCODE_KEYWORD_SUFFIX) value = urldecode(value, convall=True, plusspace=(item==post and kb.postSpaceToPlus)) variables[name] = value if cookie: for part in cookie.split(conf.cookieDel or DEFAULT_COOKIE_DELIMITER): if '=' in part: name, value = part.split('=', 1) name = re.sub(r"[^\w]", "", name.strip()) if name in keywords: name = "%s%s" % (name, EVALCODE_KEYWORD_SUFFIX) value = urldecode(value, convall=True) variables[name] = value while True: try: compiler.parse(conf.evalCode.replace(';', '\n')) except SyntaxError, ex: original = replacement = ex.text.strip() for _ in re.findall(r"[A-Za-z_]+", original)[::-1]: if _ in keywords: replacement = replacement.replace(_, "%s%s" % (_, EVALCODE_KEYWORD_SUFFIX)) break if original == replacement: conf.evalCode = conf.evalCode.replace(EVALCODE_KEYWORD_SUFFIX, "") break else: conf.evalCode = conf.evalCode.replace(ex.text.strip(), replacement) else: break originals.update(variables) evaluateCode(conf.evalCode, variables) for variable in variables.keys(): if variable.endswith(EVALCODE_KEYWORD_SUFFIX): value = variables[variable] del variables[variable] variables[variable.replace(EVALCODE_KEYWORD_SUFFIX, "")] = value uri = variables["uri"] for name, value in variables.items(): if name != "__builtins__" and originals.get(name, "") != value: if isinstance(value, (basestring, int)): found = False value = unicode(value) regex = r"((\A|%s)%s=).+?(%s|\Z)" % (re.escape(delimiter), re.escape(name), re.escape(delimiter)) if re.search(regex, (get or "")): found = True get = re.sub(regex, "\g<1>%s\g<3>" % value, get) if re.search(regex, (post or "")): found = True post = re.sub(regex, "\g<1>%s\g<3>" % value, post) if re.search(regex, (query or "")): found = True uri = re.sub(regex.replace(r"\A", r"\?"), "\g<1>%s\g<3>" % value, uri) regex = r"((\A|%s)%s=).+?(%s|\Z)" % (re.escape(conf.cookieDel or DEFAULT_COOKIE_DELIMITER), name, re.escape(conf.cookieDel or DEFAULT_COOKIE_DELIMITER)) if re.search(regex, (cookie or "")): found = True cookie = re.sub(regex, "\g<1>%s\g<3>" % value, cookie) if not found: if post is not None: post += "%s%s=%s" % (delimiter, name, value) elif get is not None: get += "%s%s=%s" % (delimiter, name, value) elif cookie is not None: cookie += "%s%s=%s" % (conf.cookieDel or DEFAULT_COOKIE_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 kb.postUrlEncode: post = urlencode(post, spaceplus=kb.postSpaceToPlus) if timeBasedCompare: if len(kb.responseTimes.get(kb.responseTimeMode, [])) < MIN_TIME_RESPONSES: clearConsoleLine() kb.responseTimes.setdefault(kb.responseTimeMode, []) 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 = "[%s] [WARNING] %stime-based comparison requires " % (time.strftime("%X"), "(case) " if kb.responseTimeMode else "") warnMsg += "larger statistical model, please wait" dataToStdout(warnMsg) while len(kb.responseTimes[kb.responseTimeMode]) < MIN_TIME_RESPONSES: value = kb.responseTimePayload.replace(RANDOM_INTEGER_MARKER, str(randomInt(6))).replace(RANDOM_STRING_MARKER, randomStr()) if kb.responseTimePayload else kb.responseTimePayload Connect.queryPage(value=value, content=True, raise404=False) dataToStdout('.') dataToStdout(" (done)\n") elif not kb.testMode: warnMsg = "it is very important to not stress the network adapter " warnMsg += "during usage of time-based payloads to prevent potential " warnMsg += "disruptions " singleTimeWarnMessage(warnMsg) if not kb.laggingChecked: kb.laggingChecked = True deviation = stdev(kb.responseTimes[kb.responseTimeMode]) if deviation > WARN_TIME_STDEV: kb.adjustTimeDelay = ADJUST_TIME_DELAY.DISABLE warnMsg = "considerable lagging has been detected " warnMsg += "in connection response(s). Please use as high " warnMsg += "value for option '--time-sec' as possible (e.g. " warnMsg += "10 or more)" logger.critical(warnMsg) if conf.safeFreq > 0: kb.queryCounter += 1 if kb.queryCounter % conf.safeFreq == 0: if conf.safeUrl: Connect.getPage(url=conf.safeUrl, post=conf.safePost, cookie=cookie, direct=True, silent=True, ua=ua, referer=referer, host=host) elif kb.safeReq: Connect.getPage(url=kb.safeReq.url, post=kb.safeReq.post, method=kb.safeReq.method, auxHeaders=kb.safeReq.headers) start = time.time() if kb.nullConnection and not content and not response and not timeBasedCompare: noteResponseTime = False try: pushValue(kb.pageCompress) kb.pageCompress = False if kb.nullConnection == NULLCONNECTION.HEAD: method = HTTPMETHOD.HEAD elif kb.nullConnection == NULLCONNECTION.RANGE: auxHeaders[HTTP_HEADER.RANGE] = "bytes=-1" _, headers, code = Connect.getPage(url=uri, get=get, post=post, method=method, cookie=cookie, ua=ua, referer=referer, host=host, silent=silent, auxHeaders=auxHeaders, raise404=raise404, skipRead=(kb.nullConnection == NULLCONNECTION.SKIP_READ)) if headers: if kb.nullConnection in (NULLCONNECTION.HEAD, NULLCONNECTION.SKIP_READ) and headers.get(HTTP_HEADER.CONTENT_LENGTH): pageLength = int(headers[HTTP_HEADER.CONTENT_LENGTH]) elif kb.nullConnection == NULLCONNECTION.RANGE and headers.get(HTTP_HEADER.CONTENT_RANGE): pageLength = int(headers[HTTP_HEADER.CONTENT_RANGE][headers[HTTP_HEADER.CONTENT_RANGE].find('/') + 1:]) finally: kb.pageCompress = popValue() if not pageLength: try: page, headers, code = Connect.getPage(url=uri, get=get, post=post, method=method, cookie=cookie, ua=ua, referer=referer, host=host, silent=silent, 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) threadData.lastPage = page kb.originalCode = kb.originalCode or code if kb.testMode: kb.testQueryCount += 1 if timeBasedCompare: return wasLastResponseDelayed() elif noteResponseTime: kb.responseTimes.setdefault(kb.responseTimeMode, []) kb.responseTimes[kb.responseTimeMode].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) else: return comparison(page, headers, code, getRatioValue, pageLength) def setHTTPHandlers(): # Cross-linked function raise NotImplementedError