mirror of
https://github.com/sqlmapproject/sqlmap.git
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618 lines
26 KiB
Python
618 lines
26 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2019 sqlmap developers (http://sqlmap.org/)
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See the file 'LICENSE' for copying permission
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"""
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from lib.core.agent import agent
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from lib.core.common import arrayizeValue
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from lib.core.common import Backend
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from lib.core.common import filterPairValues
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from lib.core.common import getLimitRange
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from lib.core.common import isInferenceAvailable
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from lib.core.common import isNoneValue
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from lib.core.common import isNumPosStrValue
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from lib.core.common import isTechniqueAvailable
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from lib.core.common import readInput
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from lib.core.common import safeSQLIdentificatorNaming
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from lib.core.common import safeStringFormat
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from lib.core.common import unArrayizeValue
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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.data import paths
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from lib.core.data import queries
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from lib.core.enums import CHARSET_TYPE
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from lib.core.enums import DBMS
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from lib.core.enums import EXPECTED
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from lib.core.enums import PAYLOAD
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from lib.core.exception import SqlmapMissingMandatoryOptionException
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from lib.core.exception import SqlmapUserQuitException
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from lib.core.settings import CURRENT_DB
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from lib.core.settings import METADB_SUFFIX
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from lib.request import inject
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from lib.utils.brute import columnExists
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from lib.utils.brute import tableExists
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from thirdparty import six
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class Search(object):
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"""
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This class defines search functionalities for plugins.
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"""
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def __init__(self):
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pass
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def searchDb(self):
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foundDbs = []
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rootQuery = queries[Backend.getIdentifiedDbms()].search_db
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dbList = conf.db.split(',')
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if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
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dbCond = rootQuery.inband.condition2
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else:
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dbCond = rootQuery.inband.condition
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dbConsider, dbCondParam = self.likeOrExact("database")
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for db in dbList:
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values = []
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db = safeSQLIdentificatorNaming(db)
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if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB, DBMS.H2):
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db = db.upper()
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infoMsg = "searching database"
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if dbConsider == "1":
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infoMsg += "s LIKE"
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infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(db)
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logger.info(infoMsg)
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if conf.excludeSysDbs:
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exclDbsQuery = "".join(" AND '%s' != %s" % (unsafeSQLIdentificatorNaming(db), dbCond) for db in self.excludeDbsList)
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infoMsg = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(db for db in self.excludeDbsList))
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logger.info(infoMsg)
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else:
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exclDbsQuery = ""
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dbQuery = "%s%s" % (dbCond, dbCondParam)
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dbQuery = dbQuery % unsafeSQLIdentificatorNaming(db)
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if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
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if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
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query = rootQuery.inband.query2
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else:
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query = rootQuery.inband.query
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query = query % (dbQuery + exclDbsQuery)
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values = inject.getValue(query, blind=False, time=False)
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if not isNoneValue(values):
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values = arrayizeValue(values)
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for value in values:
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value = safeSQLIdentificatorNaming(value)
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foundDbs.append(value)
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if not values and isInferenceAvailable() and not conf.direct:
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infoMsg = "fetching number of database"
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if dbConsider == "1":
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infoMsg += "s LIKE"
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infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(db)
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logger.info(infoMsg)
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if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
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query = rootQuery.blind.count2
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else:
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query = rootQuery.blind.count
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query = query % (dbQuery + exclDbsQuery)
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count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
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if not isNumPosStrValue(count):
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warnMsg = "no database"
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if dbConsider == "1":
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warnMsg += "s LIKE"
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warnMsg += " '%s' found" % unsafeSQLIdentificatorNaming(db)
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logger.warn(warnMsg)
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continue
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indexRange = getLimitRange(count)
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for index in indexRange:
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if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
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query = rootQuery.blind.query2
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else:
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query = rootQuery.blind.query
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query = query % (dbQuery + exclDbsQuery)
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query = agent.limitQuery(index, query, dbCond)
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value = unArrayizeValue(inject.getValue(query, union=False, error=False))
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value = safeSQLIdentificatorNaming(value)
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foundDbs.append(value)
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conf.dumper.lister("found databases", foundDbs)
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def searchTable(self):
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bruteForce = False
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if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
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errMsg = "information_schema not available, "
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errMsg += "back-end DBMS is MySQL < 5.0"
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bruteForce = True
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if bruteForce:
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message = "do you want to use common table existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
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choice = readInput(message, default='Y' if 'Y' in message else 'N').upper()
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if choice == 'N':
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return
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elif choice == 'Q':
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raise SqlmapUserQuitException
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else:
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regex = '|'.join(conf.tbl.split(','))
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return tableExists(paths.COMMON_TABLES, regex)
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foundTbls = {}
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tblList = conf.tbl.split(',')
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rootQuery = queries[Backend.getIdentifiedDbms()].search_table
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tblCond = rootQuery.inband.condition
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dbCond = rootQuery.inband.condition2
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tblConsider, tblCondParam = self.likeOrExact("table")
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for tbl in tblList:
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values = []
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tbl = safeSQLIdentificatorNaming(tbl, True)
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if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.FIREBIRD, DBMS.HSQLDB, DBMS.H2):
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tbl = tbl.upper()
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conf.db = conf.db.upper() if conf.db else conf.db
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infoMsg = "searching table"
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if tblConsider == '1':
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infoMsg += "s LIKE"
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infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
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if conf.db == CURRENT_DB:
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conf.db = self.getCurrentDb()
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if dbCond and conf.db:
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_ = conf.db.split(',')
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whereDbsQuery = " AND (" + " OR ".join("%s = '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db)) for db in _) + ")"
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infoMsg += " for database%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(db for db in _))
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elif conf.excludeSysDbs:
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whereDbsQuery = "".join(" AND '%s' != %s" % (unsafeSQLIdentificatorNaming(db), dbCond) for db in self.excludeDbsList)
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msg = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(db for db in self.excludeDbsList))
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logger.info(msg)
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else:
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whereDbsQuery = ""
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logger.info(infoMsg)
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tblQuery = "%s%s" % (tblCond, tblCondParam)
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tblQuery = tblQuery % unsafeSQLIdentificatorNaming(tbl)
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if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
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query = rootQuery.inband.query
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query = query % (tblQuery + whereDbsQuery)
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values = inject.getValue(query, blind=False, time=False)
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if values and Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD):
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newValues = []
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if isinstance(values, six.string_types):
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values = [values]
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for value in values:
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dbName = "SQLite" if Backend.isDbms(DBMS.SQLITE) else "Firebird"
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newValues.append(["%s%s" % (dbName, METADB_SUFFIX), value])
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values = newValues
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for foundDb, foundTbl in filterPairValues(values):
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foundDb = safeSQLIdentificatorNaming(foundDb)
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foundTbl = safeSQLIdentificatorNaming(foundTbl, True)
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if foundDb is None or foundTbl is None:
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continue
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if foundDb in foundTbls:
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foundTbls[foundDb].append(foundTbl)
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else:
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foundTbls[foundDb] = [foundTbl]
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if not values and isInferenceAvailable() and not conf.direct:
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if Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.FIREBIRD):
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if len(whereDbsQuery) == 0:
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infoMsg = "fetching number of databases with table"
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if tblConsider == "1":
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infoMsg += "s LIKE"
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infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
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logger.info(infoMsg)
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query = rootQuery.blind.count
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query = query % (tblQuery + whereDbsQuery)
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count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
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if not isNumPosStrValue(count):
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warnMsg = "no databases have table"
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if tblConsider == "1":
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warnMsg += "s LIKE"
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warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
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logger.warn(warnMsg)
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continue
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indexRange = getLimitRange(count)
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for index in indexRange:
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query = rootQuery.blind.query
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query = query % (tblQuery + whereDbsQuery)
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query = agent.limitQuery(index, query)
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foundDb = unArrayizeValue(inject.getValue(query, union=False, error=False))
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foundDb = safeSQLIdentificatorNaming(foundDb)
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if foundDb not in foundTbls:
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foundTbls[foundDb] = []
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if tblConsider == "2":
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foundTbls[foundDb].append(tbl)
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if tblConsider == "2":
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continue
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else:
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for db in conf.db.split(',') if conf.db else (self.getCurrentDb(),):
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db = safeSQLIdentificatorNaming(db)
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if db not in foundTbls:
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foundTbls[db] = []
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else:
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dbName = "SQLite" if Backend.isDbms(DBMS.SQLITE) else "Firebird"
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foundTbls["%s%s" % (dbName, METADB_SUFFIX)] = []
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for db in foundTbls:
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db = safeSQLIdentificatorNaming(db)
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infoMsg = "fetching number of table"
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if tblConsider == "1":
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infoMsg += "s LIKE"
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infoMsg += " '%s' in database '%s'" % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(db))
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logger.info(infoMsg)
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query = rootQuery.blind.count2
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if Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.FIREBIRD):
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query = query % unsafeSQLIdentificatorNaming(db)
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query += " AND %s" % tblQuery
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count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
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if not isNumPosStrValue(count):
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warnMsg = "no table"
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if tblConsider == "1":
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warnMsg += "s LIKE"
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warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(tbl)
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warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
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logger.warn(warnMsg)
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continue
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indexRange = getLimitRange(count)
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for index in indexRange:
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query = rootQuery.blind.query2
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if " ORDER BY " in query:
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query = query.replace(" ORDER BY ", "%s ORDER BY " % (" AND %s" % tblQuery))
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elif query.endswith("'%s')"):
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query = query[:-1] + " AND %s)" % tblQuery
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else:
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query += " AND %s" % tblQuery
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if Backend.isDbms(DBMS.FIREBIRD):
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query = safeStringFormat(query, index)
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if Backend.getIdentifiedDbms() not in (DBMS.SQLITE, DBMS.FIREBIRD):
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query = safeStringFormat(query, unsafeSQLIdentificatorNaming(db))
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if not Backend.isDbms(DBMS.FIREBIRD):
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query = agent.limitQuery(index, query)
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foundTbl = unArrayizeValue(inject.getValue(query, union=False, error=False))
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if not isNoneValue(foundTbl):
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kb.hintValue = foundTbl
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foundTbl = safeSQLIdentificatorNaming(foundTbl, True)
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foundTbls[db].append(foundTbl)
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for db in list(foundTbls.keys()):
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if isNoneValue(foundTbls[db]):
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del foundTbls[db]
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if not foundTbls:
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warnMsg = "no databases contain any of the provided tables"
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logger.warn(warnMsg)
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return
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conf.dumper.dbTables(foundTbls)
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self.dumpFoundTables(foundTbls)
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def searchColumn(self):
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bruteForce = False
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if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
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errMsg = "information_schema not available, "
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errMsg += "back-end DBMS is MySQL < 5.0"
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bruteForce = True
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if bruteForce:
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message = "do you want to use common column existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
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choice = readInput(message, default='Y' if 'Y' in message else 'N').upper()
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if choice == 'N':
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return
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elif choice == 'Q':
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raise SqlmapUserQuitException
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else:
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regex = '|'.join(conf.col.split(','))
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conf.dumper.dbTableColumns(columnExists(paths.COMMON_COLUMNS, regex))
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message = "do you want to dump entries? [Y/n] "
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if readInput(message, default='Y', boolean=True):
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self.dumpAll()
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return
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rootQuery = queries[Backend.getIdentifiedDbms()].search_column
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foundCols = {}
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dbs = {}
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whereDbsQuery = ""
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whereTblsQuery = ""
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infoMsgTbl = ""
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infoMsgDb = ""
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colList = conf.col.split(',')
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if conf.exclude:
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colList = [_ for _ in colList if _ not in conf.exclude.split(',')]
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origTbl = conf.tbl
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origDb = conf.db
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colCond = rootQuery.inband.condition
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dbCond = rootQuery.inband.condition2
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tblCond = rootQuery.inband.condition3
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colConsider, colCondParam = self.likeOrExact("column")
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for column in colList:
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values = []
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column = safeSQLIdentificatorNaming(column)
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conf.db = origDb
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conf.tbl = origTbl
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if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB, DBMS.H2):
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column = column.upper()
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conf.db = conf.db.upper() if conf.db else conf.db
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conf.tbl = conf.tbl.upper() if conf.tbl else conf.tbl
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infoMsg = "searching column"
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if colConsider == "1":
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infoMsg += "s LIKE"
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infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
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foundCols[column] = {}
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if conf.tbl:
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_ = conf.tbl.split(',')
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whereTblsQuery = " AND (" + " OR ".join("%s = '%s'" % (tblCond, unsafeSQLIdentificatorNaming(tbl)) for tbl in _) + ")"
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infoMsgTbl = " for table%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(unsafeSQLIdentificatorNaming(tbl) for tbl in _))
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if conf.db == CURRENT_DB:
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conf.db = self.getCurrentDb()
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if conf.db:
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_ = conf.db.split(',')
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whereDbsQuery = " AND (" + " OR ".join("%s = '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db)) for db in _) + ")"
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infoMsgDb = " in database%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(unsafeSQLIdentificatorNaming(db) for db in _))
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elif conf.excludeSysDbs:
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whereDbsQuery = "".join(" AND %s != '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db)) for db in self.excludeDbsList)
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msg = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(unsafeSQLIdentificatorNaming(db) for db in self.excludeDbsList))
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logger.info(msg)
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else:
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infoMsgDb = " across all databases"
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logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))
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colQuery = "%s%s" % (colCond, colCondParam)
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colQuery = colQuery % unsafeSQLIdentificatorNaming(column)
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if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
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if not all((conf.db, conf.tbl)):
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# Enumerate tables containing the column provided if
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# either of database(s) or table(s) is not provided
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query = rootQuery.inband.query
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query = query % (colQuery + whereDbsQuery + whereTblsQuery)
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values = inject.getValue(query, blind=False, time=False)
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else:
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# Assume provided databases' tables contain the
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# column(s) provided
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values = []
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for db in conf.db.split(','):
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for tbl in conf.tbl.split(','):
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values.append([safeSQLIdentificatorNaming(db), safeSQLIdentificatorNaming(tbl, True)])
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for db, tbl in filterPairValues(values):
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db = safeSQLIdentificatorNaming(db)
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tbls = tbl.split(',') if not isNoneValue(tbl) else []
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for tbl in tbls:
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tbl = safeSQLIdentificatorNaming(tbl, True)
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if db is None or tbl is None:
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continue
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conf.db = db
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conf.tbl = tbl
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conf.col = column
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self.getColumns(onlyColNames=True, colTuple=(colConsider, colCondParam), bruteForce=False)
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if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[db]:
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if db not in dbs:
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dbs[db] = {}
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|
|
if tbl not in dbs[db]:
|
|
dbs[db][tbl] = {}
|
|
|
|
dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])
|
|
|
|
if db in foundCols[column]:
|
|
foundCols[column][db].append(tbl)
|
|
else:
|
|
foundCols[column][db] = [tbl]
|
|
|
|
kb.data.cachedColumns = {}
|
|
|
|
if not values and isInferenceAvailable() and not conf.direct:
|
|
if not conf.db:
|
|
infoMsg = "fetching number of databases with tables containing column"
|
|
if colConsider == "1":
|
|
infoMsg += "s LIKE"
|
|
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
|
|
logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))
|
|
|
|
query = rootQuery.blind.count
|
|
query = query % (colQuery + whereDbsQuery + whereTblsQuery)
|
|
count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
|
|
|
|
if not isNumPosStrValue(count):
|
|
warnMsg = "no databases have tables containing column"
|
|
if colConsider == "1":
|
|
warnMsg += "s LIKE"
|
|
warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
|
|
logger.warn("%s%s" % (warnMsg, infoMsgTbl))
|
|
|
|
continue
|
|
|
|
indexRange = getLimitRange(count)
|
|
|
|
for index in indexRange:
|
|
query = rootQuery.blind.query
|
|
query = query % (colQuery + whereDbsQuery + whereTblsQuery)
|
|
query = agent.limitQuery(index, query)
|
|
|
|
db = unArrayizeValue(inject.getValue(query, union=False, error=False))
|
|
db = safeSQLIdentificatorNaming(db)
|
|
|
|
if db not in dbs:
|
|
dbs[db] = {}
|
|
|
|
if db not in foundCols[column]:
|
|
foundCols[column][db] = []
|
|
else:
|
|
for db in conf.db.split(',') if conf.db else (self.getCurrentDb(),):
|
|
db = safeSQLIdentificatorNaming(db)
|
|
if db not in foundCols[column]:
|
|
foundCols[column][db] = []
|
|
|
|
origDb = conf.db
|
|
origTbl = conf.tbl
|
|
|
|
for column, dbData in foundCols.items():
|
|
colQuery = "%s%s" % (colCond, colCondParam)
|
|
colQuery = colQuery % unsafeSQLIdentificatorNaming(column)
|
|
|
|
for db in dbData:
|
|
conf.db = origDb
|
|
conf.tbl = origTbl
|
|
|
|
infoMsg = "fetching number of tables containing column"
|
|
if colConsider == "1":
|
|
infoMsg += "s LIKE"
|
|
infoMsg += " '%s' in database '%s'" % (unsafeSQLIdentificatorNaming(column), unsafeSQLIdentificatorNaming(db))
|
|
logger.info(infoMsg)
|
|
|
|
query = rootQuery.blind.count2
|
|
query = query % unsafeSQLIdentificatorNaming(db)
|
|
query += " AND %s" % colQuery
|
|
query += whereTblsQuery
|
|
|
|
count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
|
|
|
|
if not isNumPosStrValue(count):
|
|
warnMsg = "no tables contain column"
|
|
if colConsider == "1":
|
|
warnMsg += "s LIKE"
|
|
warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(column)
|
|
warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
|
|
logger.warn(warnMsg)
|
|
|
|
continue
|
|
|
|
indexRange = getLimitRange(count)
|
|
|
|
for index in indexRange:
|
|
query = rootQuery.blind.query2
|
|
|
|
if query.endswith("'%s')"):
|
|
query = query[:-1] + " AND %s)" % (colQuery + whereTblsQuery)
|
|
else:
|
|
query += " AND %s" % (colQuery + whereTblsQuery)
|
|
|
|
query = safeStringFormat(query, unsafeSQLIdentificatorNaming(db))
|
|
query = agent.limitQuery(index, query)
|
|
|
|
tbl = unArrayizeValue(inject.getValue(query, union=False, error=False))
|
|
kb.hintValue = tbl
|
|
|
|
tbl = safeSQLIdentificatorNaming(tbl, True)
|
|
|
|
conf.db = db
|
|
conf.tbl = tbl
|
|
conf.col = column
|
|
|
|
self.getColumns(onlyColNames=True, colTuple=(colConsider, colCondParam), bruteForce=False)
|
|
|
|
if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[db]:
|
|
if db not in dbs:
|
|
dbs[db] = {}
|
|
|
|
if tbl not in dbs[db]:
|
|
dbs[db][tbl] = {}
|
|
|
|
dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])
|
|
|
|
kb.data.cachedColumns = {}
|
|
|
|
if db in foundCols[column]:
|
|
foundCols[column][db].append(tbl)
|
|
else:
|
|
foundCols[column][db] = [tbl]
|
|
|
|
if dbs:
|
|
conf.dumper.dbColumns(foundCols, colConsider, dbs)
|
|
self.dumpFoundColumn(dbs, foundCols, colConsider)
|
|
else:
|
|
warnMsg = "no databases have tables containing any of the "
|
|
warnMsg += "provided columns"
|
|
logger.warn(warnMsg)
|
|
|
|
def search(self):
|
|
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
|
|
for item in ('db', 'tbl', 'col'):
|
|
if getattr(conf, item, None):
|
|
setattr(conf, item, getattr(conf, item).upper())
|
|
|
|
if conf.col:
|
|
self.searchColumn()
|
|
elif conf.tbl:
|
|
self.searchTable()
|
|
elif conf.db:
|
|
self.searchDb()
|
|
else:
|
|
errMsg = "missing parameter, provide -D, -T or -C along "
|
|
errMsg += "with --search"
|
|
raise SqlmapMissingMandatoryOptionException(errMsg)
|