mirror of
https://github.com/sqlmapproject/sqlmap.git
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316 lines
10 KiB
Python
316 lines
10 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
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See the file 'doc/COPYING' for copying permission
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"""
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import codecs
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import os
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import re
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import tempfile
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import time
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from lib.core.common import dataToSessionFile
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from lib.core.common import intersect
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from lib.core.common import paramToDict
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from lib.core.common import readInput
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from lib.core.convert import urldecode
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from lib.core.data import cmdLineOptions
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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.data import paths
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from lib.core.dump import dumper
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from lib.core.enums import HTTPMETHOD
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from lib.core.enums import PLACE
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from lib.core.exception import sqlmapFilePathException
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from lib.core.exception import sqlmapGenericException
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from lib.core.exception import sqlmapSyntaxException
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from lib.core.option import __setDBMS
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from lib.core.option import __setKnowledgeBaseAttributes
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from lib.core.session import resumeConfKb
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from lib.core.settings import REFERER_ALIASES
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from lib.core.settings import UNICODE_ENCODING
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from lib.core.settings import URI_INJECTABLE_REGEX
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from lib.core.settings import URI_INJECTION_MARK_CHAR
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from lib.core.settings import USER_AGENT_ALIASES
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from lib.core.xmldump import dumper as xmldumper
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from lib.request.connect import Connect as Request
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def __setRequestParams():
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"""
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Check and set the parameters and perform checks on 'data' option for
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HTTP method POST.
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"""
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if conf.direct:
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conf.parameters[None] = "direct connection"
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return
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__testableParameters = False
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# Perform checks on GET parameters
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if conf.parameters.has_key(PLACE.GET) and conf.parameters[PLACE.GET]:
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parameters = conf.parameters[PLACE.GET]
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__paramDict = paramToDict(PLACE.GET, parameters)
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if __paramDict:
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conf.paramDict[PLACE.GET] = __paramDict
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__testableParameters = True
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# Perform checks on POST parameters
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if conf.method == HTTPMETHOD.POST and not conf.data:
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errMsg = "HTTP POST method depends on HTTP data value to be posted"
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raise sqlmapSyntaxException, errMsg
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if conf.data:
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conf.data = conf.data.replace("\n", " ")
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conf.parameters[PLACE.POST] = urldecode(conf.data)
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# Check if POST data is in xml syntax
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if re.match("[\n]*<(\?xml |soap\:|ns).*>", conf.data):
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conf.paramDict["POSTxml"] = True
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__paramDict = paramToDict("POSTxml", conf.data)
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else:
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__paramDict = paramToDict(PLACE.POST, conf.data)
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if __paramDict:
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conf.paramDict[PLACE.POST] = __paramDict
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__testableParameters = True
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conf.method = HTTPMETHOD.POST
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if re.search(URI_INJECTABLE_REGEX, conf.url, re.I) and not conf.parameters.has_key(PLACE.GET):
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conf.url = "%s%s" % (conf.url, URI_INJECTION_MARK_CHAR)
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if URI_INJECTION_MARK_CHAR in conf.url:
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conf.parameters[PLACE.URI] = conf.url
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conf.paramDict[PLACE.URI] = {}
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parts = conf.url.split(URI_INJECTION_MARK_CHAR)
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for i in range(len(parts)-1):
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result = str()
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for j in range(len(parts)):
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result += parts[j]
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if i == j:
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result += URI_INJECTION_MARK_CHAR
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conf.paramDict[PLACE.URI]["#%d%s" % (i+1, URI_INJECTION_MARK_CHAR)] = result
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conf.url = conf.url.replace(URI_INJECTION_MARK_CHAR, str())
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__testableParameters = True
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# Perform checks on Cookie parameters
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if conf.cookie:
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conf.parameters[PLACE.COOKIE] = conf.cookie
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__paramDict = paramToDict(PLACE.COOKIE, conf.cookie)
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if __paramDict:
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conf.paramDict[PLACE.COOKIE] = __paramDict
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__testableParameters = True
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# Perform checks on User-Agent header value
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if conf.httpHeaders:
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for httpHeader, headerValue in conf.httpHeaders:
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if httpHeader == PLACE.UA:
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# No need for url encoding/decoding the user agent
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conf.parameters[PLACE.UA] = urldecode(headerValue)
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condition = any([not conf.testParameter, intersect(conf.testParameter, USER_AGENT_ALIASES)])
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if condition:
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conf.paramDict[PLACE.UA] = { PLACE.UA: headerValue }
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__testableParameters = True
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elif httpHeader == PLACE.REFERER:
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# No need for url encoding/decoding the referer
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conf.parameters[PLACE.REFERER] = urldecode(headerValue)
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condition = any([not conf.testParameter, intersect(conf.testParameter, REFERER_ALIASES)])
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if condition:
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conf.paramDict[PLACE.REFERER] = { PLACE.REFERER: headerValue }
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__testableParameters = True
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if not conf.parameters:
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errMsg = "you did not provide any GET, POST and Cookie "
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errMsg += "parameter, neither an User-Agent or Referer header"
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raise sqlmapGenericException, errMsg
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elif not __testableParameters:
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errMsg = "all testable parameters you provided are not present "
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errMsg += "within the GET, POST and Cookie parameters"
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raise sqlmapGenericException, errMsg
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def __setOutputResume():
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"""
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Check and set the output text file and the resume functionality.
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"""
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if not conf.sessionFile:
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conf.sessionFile = "%s%ssession" % (conf.outputPath, os.sep)
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logger.info("using '%s' as session file" % conf.sessionFile)
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if os.path.exists(conf.sessionFile):
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if not conf.flushSession:
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readSessionFP = codecs.open(conf.sessionFile, "r", UNICODE_ENCODING, 'replace')
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__url_cache = set()
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__expression_cache = {}
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for line in readSessionFP.readlines(): # xreadlines doesn't return unicode strings when codec.open() is used
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if line.count("][") == 4:
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line = line.split("][")
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if len(line) != 5:
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continue
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url, _, _, expression, value = line
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if not value:
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continue
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if url[0] == "[":
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url = url[1:]
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value = value.rstrip('\r\n') # Strips both chars independently
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if url not in ( conf.url, conf.hostname ):
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continue
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if url not in __url_cache:
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kb.resumedQueries[url] = {}
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kb.resumedQueries[url][expression] = value
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__url_cache.add(url)
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__expression_cache[url] = set(expression)
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resumeConfKb(expression, url, value)
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if expression not in __expression_cache[url]:
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kb.resumedQueries[url][expression] = value
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__expression_cache[url].add(value)
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elif len(value) >= len(kb.resumedQueries[url][expression]):
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kb.resumedQueries[url][expression] = value
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if kb.injection.place is not None and kb.injection.parameter is not None:
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kb.injections.append(kb.injection)
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readSessionFP.close()
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else:
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try:
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os.remove(conf.sessionFile)
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logger.info("flushing session file")
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except OSError, msg:
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errMsg = "unable to flush the session file (%s)" % msg
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raise sqlmapFilePathException, errMsg
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try:
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conf.sessionFP = codecs.open(conf.sessionFile, "a", UNICODE_ENCODING)
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dataToSessionFile("\n[%s]\n" % time.strftime("%X %x"))
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except IOError:
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errMsg = "unable to write on the session file specified"
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raise sqlmapFilePathException, errMsg
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def __createFilesDir():
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"""
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Create the file directory.
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"""
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if not conf.rFile:
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return
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conf.filePath = paths.SQLMAP_FILES_PATH % conf.hostname
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if not os.path.isdir(conf.filePath):
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os.makedirs(conf.filePath, 0755)
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def __createDumpDir():
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"""
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Create the dump directory.
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"""
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if not conf.dumpTable and not conf.dumpAll and not conf.search:
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return
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conf.dumpPath = paths.SQLMAP_DUMP_PATH % conf.hostname
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if not os.path.isdir(conf.dumpPath):
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os.makedirs(conf.dumpPath, 0755)
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def __configureDumper():
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if conf.xmlFile:
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conf.dumper = xmldumper
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else:
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conf.dumper = dumper
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conf.dumper.setOutputFile()
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def __createTargetDirs():
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"""
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Create the output directory.
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"""
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if not os.path.isdir(paths.SQLMAP_OUTPUT_PATH):
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try:
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os.makedirs(paths.SQLMAP_OUTPUT_PATH, 0755)
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except OSError, msg:
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tempDir = tempfile.mkdtemp(prefix='output')
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warnMsg = "unable to create default root output directory "
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warnMsg += "'%s' (%s). " % (paths.SQLMAP_OUTPUT_PATH, msg)
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warnMsg += "using temporary directory '%s' instead" % tempDir
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logger.warn(warnMsg)
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paths.SQLMAP_OUTPUT_PATH = tempDir
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conf.outputPath = "%s%s%s" % (paths.SQLMAP_OUTPUT_PATH, os.sep, conf.hostname)
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if not os.path.isdir(conf.outputPath):
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try:
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os.makedirs(conf.outputPath, 0755)
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except OSError, msg:
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tempDir = tempfile.mkdtemp(prefix='output')
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warnMsg = "unable to create output directory "
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warnMsg += "'%s' (%s). " % (conf.outputPath, msg)
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warnMsg += "using temporary directory '%s' instead" % tempDir
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logger.warn(warnMsg)
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conf.outputPath = tempDir
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__createDumpDir()
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__createFilesDir()
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__configureDumper()
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def __restoreCmdLineOptions():
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"""
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Restore command line options that could be possibly
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changed during the testing of previous target.
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"""
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conf.regexp = cmdLineOptions.regexp
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conf.string = cmdLineOptions.string
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conf.textOnly = cmdLineOptions.textOnly
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def initTargetEnv():
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"""
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Initialize target environment.
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"""
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if conf.multipleTargets:
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if conf.sessionFP:
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conf.sessionFP.close()
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if conf.cj:
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conf.cj.clear()
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conf.paramDict = {}
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conf.parameters = {}
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conf.sessionFile = None
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__setKnowledgeBaseAttributes(False)
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__restoreCmdLineOptions()
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__setDBMS()
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def setupTargetEnv():
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__createTargetDirs()
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__setRequestParams()
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__setOutputResume()
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