mirror of
https://github.com/sqlmapproject/sqlmap.git
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271 lines
10 KiB
Python
271 lines
10 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2017 sqlmap developers (http://sqlmap.org/)
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See the file 'doc/COPYING' for copying permission
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"""
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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 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 getPageWordSet
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from lib.core.common import hashDBWrite
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from lib.core.common import randomInt
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from lib.core.common import randomStr
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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.common import unsafeSQLIdentificatorNaming
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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.enums import HASHDB_KEYS
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from lib.core.enums import PAYLOAD
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from lib.core.exception import SqlmapDataException
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from lib.core.exception import SqlmapMissingMandatoryOptionException
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from lib.core.settings import BRUTE_COLUMN_EXISTS_TEMPLATE
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from lib.core.settings import BRUTE_TABLE_EXISTS_TEMPLATE
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from lib.core.settings import METADB_SUFFIX
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from lib.core.threads import getCurrentThreadData
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from lib.core.threads import runThreads
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from lib.request import inject
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def _addPageTextWords():
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wordsList = []
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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 = getPageWordSet(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 wordsList:
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wordsList.append(word)
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return wordsList
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def tableExists(tableFile, regex=None):
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if kb.tableExistsChoice is None and not any(_ for _ in kb.injection.data if _ not in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED)) and not conf.direct:
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warnMsg = "it's not recommended to use '%s' and/or '%s' " % (PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.TIME], PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.STACKED])
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warnMsg += "for common table existence check"
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logger.warn(warnMsg)
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message = "are you sure you want to continue? [y/N] "
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kb.tableExistsChoice = readInput(message, default='N', boolean=True)
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if not kb.tableExistsChoice:
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return None
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result = inject.checkBooleanExpression("%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE, (randomInt(1), randomStr())))
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if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
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conf.db = conf.db.upper()
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if result:
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errMsg = "can't use table existence check because of detected invalid results "
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errMsg += "(most likely caused by inability of the used injection "
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errMsg += "to distinguish erroneous results)"
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raise SqlmapDataException(errMsg)
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tables = getFileItems(tableFile, lowercase=Backend.getIdentifiedDbms() in (DBMS.ACCESS,), unique=True)
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infoMsg = "checking table existence using items from '%s'" % tableFile
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logger.info(infoMsg)
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tables.extend(_addPageTextWords())
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tables = filterListValue(tables, regex)
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threadData = getCurrentThreadData()
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threadData.shared.count = 0
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threadData.shared.limit = len(tables)
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threadData.shared.value = []
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threadData.shared.unique = set()
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def tableExistsThread():
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threadData = getCurrentThreadData()
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while kb.threadContinue:
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kb.locks.count.acquire()
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if threadData.shared.count < threadData.shared.limit:
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table = safeSQLIdentificatorNaming(tables[threadData.shared.count], True)
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threadData.shared.count += 1
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kb.locks.count.release()
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else:
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kb.locks.count.release()
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break
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if conf.db and METADB_SUFFIX not in conf.db and Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
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fullTableName = "%s.%s" % (conf.db, table)
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else:
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fullTableName = table
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result = inject.checkBooleanExpression("%s" % safeStringFormat(BRUTE_TABLE_EXISTS_TEMPLATE, (randomInt(1), fullTableName)))
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kb.locks.io.acquire()
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if result and table.lower() not in threadData.shared.unique:
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threadData.shared.value.append(table)
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threadData.shared.unique.add(table.lower())
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if conf.verbose in (1, 2) and not conf.api:
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clearConsoleLine(True)
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infoMsg = "[%s] [INFO] retrieved: %s\n" % (time.strftime("%X"), unsafeSQLIdentificatorNaming(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%%)' % (threadData.shared.count, threadData.shared.limit, round(100.0 * threadData.shared.count / threadData.shared.limit))
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dataToStdout("\r[%s] [INFO] tried %s" % (time.strftime("%X"), status), True)
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kb.locks.io.release()
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try:
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runThreads(conf.threads, tableExistsThread, threadChoice=True)
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except KeyboardInterrupt:
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warnMsg = "user aborted during table existence "
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warnMsg += "check. sqlmap will display partial output"
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logger.warn(warnMsg)
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clearConsoleLine(True)
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dataToStdout("\n")
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if not threadData.shared.value:
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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 threadData.shared.value:
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if conf.db not in kb.data.cachedTables:
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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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for _ in ((conf.db, item) for item in threadData.shared.value):
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if _ not in kb.brute.tables:
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kb.brute.tables.append(_)
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hashDBWrite(HASHDB_KEYS.KB_BRUTE_TABLES, kb.brute.tables, True)
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return kb.data.cachedTables
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def columnExists(columnFile, regex=None):
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if kb.columnExistsChoice is None and not any(_ for _ in kb.injection.data if _ not in (PAYLOAD.TECHNIQUE.TIME, PAYLOAD.TECHNIQUE.STACKED)) and not conf.direct:
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warnMsg = "it's not recommended to use '%s' and/or '%s' " % (PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.TIME], PAYLOAD.SQLINJECTION[PAYLOAD.TECHNIQUE.STACKED])
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warnMsg += "for common column existence check"
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logger.warn(warnMsg)
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message = "are you sure you want to continue? [y/N] "
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kb.columnExistsChoice = readInput(message, default='N', boolean=True)
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if not kb.columnExistsChoice:
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return 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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if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
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conf.db = conf.db.upper()
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result = inject.checkBooleanExpression(safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE, (randomStr(), randomStr())))
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if result:
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errMsg = "can't use column existence check because of detected invalid results "
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errMsg += "(most likely caused by inability of the used injection "
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errMsg += "to distinguish erroneous results)"
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raise SqlmapDataException(errMsg)
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infoMsg = "checking column existence using items from '%s'" % columnFile
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logger.info(infoMsg)
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columns = getFileItems(columnFile, unique=True)
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columns.extend(_addPageTextWords())
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columns = filterListValue(columns, regex)
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table = safeSQLIdentificatorNaming(conf.tbl, True)
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if conf.db and METADB_SUFFIX not in conf.db and Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
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table = "%s.%s" % (safeSQLIdentificatorNaming(conf.db), table)
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kb.threadContinue = True
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kb.bruteMode = True
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threadData = getCurrentThreadData()
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threadData.shared.count = 0
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threadData.shared.limit = len(columns)
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threadData.shared.value = []
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def columnExistsThread():
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threadData = getCurrentThreadData()
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while kb.threadContinue:
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kb.locks.count.acquire()
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if threadData.shared.count < threadData.shared.limit:
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column = safeSQLIdentificatorNaming(columns[threadData.shared.count])
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threadData.shared.count += 1
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kb.locks.count.release()
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else:
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kb.locks.count.release()
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break
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result = inject.checkBooleanExpression(safeStringFormat(BRUTE_COLUMN_EXISTS_TEMPLATE, (column, table)))
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kb.locks.io.acquire()
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if result:
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threadData.shared.value.append(column)
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if conf.verbose in (1, 2) and not conf.api:
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clearConsoleLine(True)
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infoMsg = "[%s] [INFO] retrieved: %s\n" % (time.strftime("%X"), unsafeSQLIdentificatorNaming(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%%)" % (threadData.shared.count, threadData.shared.limit, round(100.0 * threadData.shared.count / threadData.shared.limit))
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dataToStdout("\r[%s] [INFO] tried %s" % (time.strftime("%X"), status), True)
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kb.locks.io.release()
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try:
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runThreads(conf.threads, columnExistsThread, threadChoice=True)
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except KeyboardInterrupt:
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warnMsg = "user aborted during column existence "
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warnMsg += "check. sqlmap will display partial output"
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logger.warn(warnMsg)
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clearConsoleLine(True)
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dataToStdout("\n")
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if not threadData.shared.value:
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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 threadData.shared.value:
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if Backend.getIdentifiedDbms() in (DBMS.MYSQL,):
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result = not inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s WHERE %s REGEXP '[^0-9]')", (column, table, column)))
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else:
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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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kb.data.cachedColumns[conf.db] = {conf.tbl: columns}
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for _ in map(lambda x: (conf.db, conf.tbl, x[0], x[1]), columns.items()):
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if _ not in kb.brute.columns:
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kb.brute.columns.append(_)
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hashDBWrite(HASHDB_KEYS.KB_BRUTE_COLUMNS, kb.brute.columns, True)
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return kb.data.cachedColumns
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