#!/usr/bin/env python """ $Id$ This file is part of the sqlmap project, http://sqlmap.sourceforge.net. Copyright (c) 2007-2010 Bernardo Damele A. G. Copyright (c) 2006 Daniele Bellucci sqlmap is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation version 2 of the License. sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with sqlmap; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA """ import codecs import os import re import time from lib.core.common import dataToSessionFile from lib.core.common import paramToDict from lib.core.data import conf from lib.core.data import kb from lib.core.data import logger from lib.core.data import paths from lib.core.dump import dumper from lib.core.exception import sqlmapFilePathException from lib.core.exception import sqlmapGenericException from lib.core.exception import sqlmapSyntaxException from lib.core.session import resumeConfKb from lib.core.xmldump import dumper as xmldumper def __setRequestParams(): """ Check and set the parameters and perform checks on 'data' option for HTTP method POST. """ if conf.direct: conf.parameters[None] = "direct connection" return __testableParameters = False # Perform checks on GET parameters if conf.parameters.has_key("GET") and conf.parameters["GET"]: parameters = conf.parameters["GET"] __paramDict = paramToDict("GET", parameters) if __paramDict: conf.paramDict["GET"] = __paramDict __testableParameters = True # Perform checks on POST parameters if conf.method == "POST" and not conf.data: errMsg = "HTTP POST method depends on HTTP data value to be posted" raise sqlmapSyntaxException, errMsg if conf.data: conf.data = conf.data.replace("\n", " ") conf.parameters["POST"] = conf.data # Check if POST data is in xml syntax if re.match("[\n]*<(\?xml |soap\:|ns).*>", conf.data): conf.paramDict["POSTxml"] = True __paramDict = paramToDict("POSTxml", conf.data) else: __paramDict = paramToDict("POST", conf.data) if __paramDict: conf.paramDict["POST"] = __paramDict __testableParameters = True conf.method = "POST" if "*" in conf.url: conf.parameters["URI"] = conf.url conf.paramDict["URI"] = {} parts = conf.url.split("*") for i in range(len(parts)-1): result = str() for j in range(len(parts)): result += parts[j] if i == j: result += "*" conf.paramDict["URI"]["#%d" % (i+1)] = result conf.url = conf.url.replace("*", str()) __testableParameters = True # Perform checks on Cookie parameters if conf.cookie: conf.parameters["Cookie"] = conf.cookie __paramDict = paramToDict("Cookie", conf.cookie) if __paramDict: conf.paramDict["Cookie"] = __paramDict __testableParameters = True # Perform checks on User-Agent header value if conf.httpHeaders: for httpHeader, headerValue in conf.httpHeaders: if httpHeader == "User-Agent": # No need for url encoding/decoding the user agent conf.parameters["User-Agent"] = headerValue condition = not conf.testParameter condition |= "User-Agent" in conf.testParameter condition |= "user-agent" in conf.testParameter condition |= "useragent" in conf.testParameter condition |= "ua" in conf.testParameter if condition: conf.paramDict["User-Agent"] = { "User-Agent": headerValue } __testableParameters = True if not conf.parameters: errMsg = "you did not provide any GET, POST and Cookie " errMsg += "parameter, neither an User-Agent header" raise sqlmapGenericException, errMsg elif not __testableParameters: errMsg = "all testable parameters you provided are not present " errMsg += "within the GET, POST and Cookie parameters" raise sqlmapGenericException, errMsg def __setOutputResume(): """ Check and set the output text file and the resume functionality. """ if not conf.sessionFile: conf.sessionFile = "%s%ssession" % (conf.outputPath, os.sep) logger.info("using '%s' as session file" % conf.sessionFile) if os.path.exists(conf.sessionFile): if not conf.flushSession: readSessionFP = codecs.open(conf.sessionFile, "r", conf.dataEncoding, 'replace') __url_cache = set() __expression_cache = {} for line in readSessionFP.readlines(): # xreadlines doesn't return unicode strings when codec.open() is used if line.count("][") == 4: line = line.split("][") if len(line) != 5: continue url, _, _, expression, value = line if not value: continue if url[0] == "[": url = url[1:] value = value.rstrip('\r\n') # Strips both chars independently if url not in ( conf.url, conf.hostname ): continue if url not in __url_cache: kb.resumedQueries[url] = {} kb.resumedQueries[url][expression] = value __url_cache.add(url) __expression_cache[url] = set(expression) resumeConfKb(expression, url, value) if expression not in __expression_cache[url]: kb.resumedQueries[url][expression] = value __expression_cache[url].add(value) elif len(value) >= len(kb.resumedQueries[url][expression]): kb.resumedQueries[url][expression] = value readSessionFP.close() else: try: os.remove(conf.sessionFile) logger.info("flushing session file") except OSError, msg: errMsg = "unable to flush the session file (%s)" % msg raise sqlmapFilePathException, errMsg try: conf.sessionFP = codecs.open(conf.sessionFile, "a", conf.dataEncoding) dataToSessionFile("\n[%s]\n" % time.strftime("%X %x")) except IOError: errMsg = "unable to write on the session file specified" raise sqlmapFilePathException, errMsg def __createFilesDir(): """ Create the file directory. """ if not conf.rFile: return conf.filePath = paths.SQLMAP_FILES_PATH % conf.hostname if not os.path.isdir(conf.filePath): os.makedirs(conf.filePath, 0755) def __createDumpDir(): """ Create the dump directory. """ if not conf.dumpTable and not conf.dumpAll and not conf.search: return conf.dumpPath = paths.SQLMAP_DUMP_PATH % conf.hostname if not os.path.isdir(conf.dumpPath): os.makedirs(conf.dumpPath, 0755) def __configureDumper(): if conf.xmlFile: conf.dumper = xmldumper else: conf.dumper = dumper conf.dumper.setOutputFile() def __createTargetDirs(): """ Create the output directory. """ conf.outputPath = "%s%s%s" % (paths.SQLMAP_OUTPUT_PATH, os.sep, conf.hostname) if not os.path.isdir(paths.SQLMAP_OUTPUT_PATH): os.makedirs(paths.SQLMAP_OUTPUT_PATH, 0755) if not os.path.isdir(conf.outputPath): os.makedirs(conf.outputPath, 0755) __createDumpDir() __createFilesDir() __configureDumper() def initTargetEnv(): """ Initialize target environment. """ if conf.multipleTargets: if conf.cj: conf.cj.clear() conf.paramDict = {} conf.parameters = {} conf.sessionFile = None kb.dbms = None kb.dbmsDetected = False kb.dbmsVersion = [ "Unknown" ] kb.injParameter = None kb.injPlace = None kb.injType = None kb.parenthesis = None kb.unionComment = "" kb.unionCount = None kb.unionPosition = None def setupTargetEnv(): __createTargetDirs() __setRequestParams() __setOutputResume()