mirror of
https://github.com/sqlmapproject/sqlmap.git
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415 lines
16 KiB
Python
415 lines
16 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2013 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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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 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 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.data import queries
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from lib.core.enums import CHARSET_TYPE
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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 SqlmapNoneDataException
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from lib.core.settings import CURRENT_DB
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from lib.request import inject
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from plugins.generic.enumeration import Enumeration as GenericEnumeration
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class Enumeration(GenericEnumeration):
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def __init__(self):
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GenericEnumeration.__init__(self)
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def getPrivileges(self, *args):
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warnMsg = "on Microsoft SQL Server it is not possible to fetch "
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warnMsg += "database users privileges, sqlmap will check whether "
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warnMsg += "or not the database users are database administrators"
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logger.warn(warnMsg)
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users = []
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areAdmins = set()
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if conf.user:
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users = [conf.user]
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elif not len(kb.data.cachedUsers):
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users = self.getUsers()
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else:
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users = kb.data.cachedUsers
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for user in users:
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if user is None:
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continue
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isDba = self.isDba(user)
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if isDba is True:
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areAdmins.add(user)
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kb.data.cachedUsersPrivileges[user] = None
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return (kb.data.cachedUsersPrivileges, areAdmins)
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def getTables(self):
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if len(kb.data.cachedTables) > 0:
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return kb.data.cachedTables
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self.forceDbmsEnum()
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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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dbs = conf.db.split(",")
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else:
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dbs = self.getDbs()
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for db in dbs:
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dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)
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dbs = filter(None, dbs)
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infoMsg = "fetching tables for database"
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infoMsg += "%s: %s" % ("s" if len(dbs) > 1 else "", ", ".join(db if isinstance(db, basestring) else db[0] for db in sorted(dbs)))
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logger.info(infoMsg)
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rootQuery = queries[Backend.getIdentifiedDbms()].tables
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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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for db in dbs:
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if conf.excludeSysDbs and db in self.excludeDbsList:
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infoMsg = "skipping system database '%s'" % db
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logger.info(infoMsg)
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continue
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for query in (rootQuery.inband.query, rootQuery.inband.query2, rootQuery.inband.query3):
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query = query.replace("%s", db)
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value = inject.getValue(query, blind=False, time=False)
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if not isNoneValue(value):
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break
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if not isNoneValue(value):
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value = filter(None, arrayizeValue(value))
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value = [safeSQLIdentificatorNaming(_, True) for _ in value]
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kb.data.cachedTables[db] = value
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if not kb.data.cachedTables and isInferenceAvailable() and not conf.direct:
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for db in dbs:
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if conf.excludeSysDbs and db in self.excludeDbsList:
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infoMsg = "skipping system database '%s'" % db
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logger.info(infoMsg)
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continue
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infoMsg = "fetching number of tables for "
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infoMsg += "database '%s'" % db
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logger.info(infoMsg)
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for query in (rootQuery.blind.count, rootQuery.blind.count2, rootQuery.blind.count3):
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_ = query.replace("%s", db)
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count = inject.getValue(_, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
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if not isNoneValue(count):
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break
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if not isNumPosStrValue(count):
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if count != 0:
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warnMsg = "unable to retrieve the number of "
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warnMsg += "tables for database '%s'" % db
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logger.warn(warnMsg)
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continue
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tables = []
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for index in xrange(int(count)):
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_ = (rootQuery.blind.query if query == rootQuery.blind.count else rootQuery.blind.query2 if query == rootQuery.blind.count2 else rootQuery.blind.query3).replace("%s", db) % index
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table = inject.getValue(_, union=False, error=False)
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if not isNoneValue(table):
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kb.hintValue = table
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table = safeSQLIdentificatorNaming(table, True)
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tables.append(table)
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if tables:
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kb.data.cachedTables[db] = tables
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else:
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warnMsg = "unable to retrieve the tables "
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warnMsg += "for database '%s'" % db
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logger.warn(warnMsg)
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if not kb.data.cachedTables:
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errMsg = "unable to retrieve the tables for any database"
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raise SqlmapNoneDataException(errMsg)
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else:
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for db, tables in kb.data.cachedTables.items():
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kb.data.cachedTables[db] = sorted(tables) if tables else tables
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return kb.data.cachedTables
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def searchTable(self):
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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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tblConsider, tblCondParam = self.likeOrExact("table")
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if conf.db and conf.db != CURRENT_DB:
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enumDbs = conf.db.split(",")
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elif not len(kb.data.cachedDbs):
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enumDbs = self.getDbs()
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else:
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enumDbs = kb.data.cachedDbs
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for db in enumDbs:
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db = safeSQLIdentificatorNaming(db)
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foundTbls[db] = []
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for tbl in tblList:
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tbl = safeSQLIdentificatorNaming(tbl, True)
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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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logger.info(infoMsg)
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tblQuery = "%s%s" % (tblCond, tblCondParam)
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tblQuery = tblQuery % unsafeSQLIdentificatorNaming(tbl)
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for db in foundTbls.keys():
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db = safeSQLIdentificatorNaming(db)
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if conf.excludeSysDbs and db in self.excludeDbsList:
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infoMsg = "skipping system database '%s'" % db
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logger.info(infoMsg)
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continue
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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.replace("%s", db)
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query += tblQuery
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values = inject.getValue(query, blind=False, time=False)
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if not isNoneValue(values):
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if isinstance(values, basestring):
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values = [values]
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for foundTbl in values:
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if foundTbl is None:
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continue
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foundTbls[db].append(foundTbl)
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else:
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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.count
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query = query.replace("%s", 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.query
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query = query.replace("%s", db)
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query += " AND %s" % tblQuery
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query = agent.limitQuery(index, query, tblCond)
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tbl = inject.getValue(query, union=False, error=False)
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kb.hintValue = tbl
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foundTbls[db].append(tbl)
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for db, tbls in foundTbls.items():
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if len(tbls) == 0:
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foundTbls.pop(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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rootQuery = queries[Backend.getIdentifiedDbms()].search_column
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foundCols = {}
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dbs = {}
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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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origTbl = conf.tbl
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origDb = conf.db
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colCond = rootQuery.inband.condition
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tblCond = rootQuery.inband.condition2
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colConsider, colCondParam = self.likeOrExact("column")
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if conf.db and conf.db != CURRENT_DB:
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enumDbs = conf.db.split(",")
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elif not len(kb.data.cachedDbs):
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enumDbs = self.getDbs()
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else:
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enumDbs = kb.data.cachedDbs
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for db in enumDbs:
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db = safeSQLIdentificatorNaming(db)
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dbs[db] = {}
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for column in colList:
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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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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(tbl for tbl in _))
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if conf.db and conf.db != CURRENT_DB:
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_ = conf.db.split(",")
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infoMsgDb = " in database%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(db for db in _))
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elif conf.excludeSysDbs:
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infoMsg2 = "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(infoMsg2)
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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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for db in dbs.keys():
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db = safeSQLIdentificatorNaming(db)
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if conf.excludeSysDbs and db in self.excludeDbsList:
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continue
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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 % (db, db, db, db, db, db)
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query += " AND %s" % colQuery.replace("[DB]", db)
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query += whereTblsQuery.replace("[DB]", db)
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values = inject.getValue(query, blind=False, time=False)
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if not isNoneValue(values):
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if isinstance(values, basestring):
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values = [values]
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for foundTbl in values:
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foundTbl = safeSQLIdentificatorNaming(foundTbl, True)
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if foundTbl is None:
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continue
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if foundTbl not in dbs[db]:
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dbs[db][foundTbl] = {}
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if colConsider == "1":
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conf.db = db
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conf.tbl = foundTbl
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conf.col = column
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self.getColumns(onlyColNames=True, bruteForce=False)
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if db in kb.data.cachedColumns and foundTbl in kb.data.cachedColumns[db]\
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and not isNoneValue(kb.data.cachedColumns[db][foundTbl]):
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dbs[db][foundTbl].update(kb.data.cachedColumns[db][foundTbl])
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kb.data.cachedColumns = {}
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else:
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dbs[db][foundTbl][column] = None
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if db in foundCols[column]:
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foundCols[column][db].append(foundTbl)
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else:
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foundCols[column][db] = [foundTbl]
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else:
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foundCols[column][db] = []
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infoMsg = "fetching number of tables containing column"
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if colConsider == "1":
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infoMsg += "s like"
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infoMsg += " '%s' in database '%s'" % (column, db)
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logger.info("%s%s" % (infoMsg, infoMsgTbl))
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query = rootQuery.blind.count
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query = query % (db, db, db, db, db, db)
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query += " AND %s" % colQuery.replace("[DB]", db)
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query += whereTblsQuery.replace("[DB]", db)
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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 tables contain column"
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if colConsider == "1":
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warnMsg += "s like"
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warnMsg += " '%s' " % column
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warnMsg += "in database '%s'" % 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.query
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query = query % (db, db, db, db, db, db)
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query += " AND %s" % colQuery.replace("[DB]", db)
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query += whereTblsQuery.replace("[DB]", db)
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query = agent.limitQuery(index, query, colCond.replace("[DB]", db))
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tbl = inject.getValue(query, union=False, error=False)
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kb.hintValue = tbl
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tbl = safeSQLIdentificatorNaming(tbl, True)
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if tbl not in dbs[db]:
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dbs[db][tbl] = {}
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if colConsider == "1":
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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, bruteForce=False)
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if db in kb.data.cachedColumns and tbl in kb.data.cachedColumns[db]:
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dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])
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kb.data.cachedColumns = {}
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else:
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dbs[db][tbl][column] = None
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foundCols[column][db].append(tbl)
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conf.dumper.dbColumns(foundCols, colConsider, dbs)
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self.dumpFoundColumn(dbs, foundCols, colConsider)
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