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#!/usr/bin/env python
"""
Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
See the file 'LICENSE' for copying permission
"""
from lib.core.common import Backend
from lib.core.common import Format
from lib.core.common import hashDBRetrieve
from lib.core.common import hashDBWrite
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.enums import DBMS
from lib.core.enums import FORK
from lib.core.enums import HASHDB_KEYS
from lib.core.enums import OS
from lib.core.session import setDbms
from lib.core.settings import PGSQL_ALIASES
from lib.request import inject
from plugins.generic.fingerprint import Fingerprint as GenericFingerprint
class Fingerprint(GenericFingerprint):
def __init__(self):
GenericFingerprint.__init__(self, DBMS.PGSQL)
def getFingerprint(self):
fork = hashDBRetrieve(HASHDB_KEYS.DBMS_FORK)
if fork is None:
if inject.checkBooleanExpression("VERSION() LIKE '%CockroachDB%'"):
fork = FORK.COCKROACHDB
elif inject.checkBooleanExpression("VERSION() LIKE '%Redshift%'"): # Reference: https://dataedo.com/kb/query/amazon-redshift/check-server-version
fork = FORK.REDSHIFT
elif inject.checkBooleanExpression("VERSION() LIKE '%Greenplum%'"): # Reference: http://www.sqldbpros.com/wordpress/wp-content/uploads/2014/08/what-version-of-greenplum.png
fork = FORK.GREENPLUM
elif inject.checkBooleanExpression("VERSION() LIKE '%Yellowbrick%'"): # Reference: https://www.yellowbrick.com/docs/3.3/ybd_sqlref/version.html
fork = FORK.YELLOWBRICK
elif inject.checkBooleanExpression("VERSION() LIKE '%EnterpriseDB%'"): # Reference: https://www.enterprisedb.com/edb-docs/d/edb-postgres-advanced-server/user-guides/user-guide/11/EDB_Postgres_Advanced_Server_Guide.1.087.html
fork = FORK.ENTERPRISEDB
elif inject.checkBooleanExpression("VERSION() LIKE '%YB-%'"): # Reference: https://github.com/yugabyte/yugabyte-db/issues/2447#issue-499562926
fork = FORK.YUGABYTEDB
elif inject.checkBooleanExpression("VERSION() LIKE '%openGauss%'"):
fork = FORK.OPENGAUSS
elif inject.checkBooleanExpression("AURORA_VERSION() LIKE '%'"): # Reference: https://aws.amazon.com/premiumsupport/knowledge-center/aurora-version-number/
fork = FORK.AURORA
else:
fork = ""
hashDBWrite(HASHDB_KEYS.DBMS_FORK, fork)
value = ""
wsOsFp = Format.getOs("web server", kb.headersFp)
if wsOsFp:
value += "%s\n" % wsOsFp
if kb.data.banner:
dbmsOsFp = Format.getOs("back-end DBMS", kb.bannerFp)
if dbmsOsFp:
value += "%s\n" % dbmsOsFp
value += "back-end DBMS: "
if not conf.extensiveFp:
value += DBMS.PGSQL
if fork:
value += " (%s fork)" % fork
return value
actVer = Format.getDbms()
blank = " " * 15
value += "active fingerprint: %s" % actVer
if kb.bannerFp:
banVer = kb.bannerFp.get("dbmsVersion")
if banVer:
banVer = Format.getDbms([banVer])
value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
htmlErrorFp = Format.getErrorParsedDBMSes()
if htmlErrorFp:
value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp)
if fork:
value += "\n%sfork fingerprint: %s" % (blank, fork)
return value
def checkDbms(self):
"""
References for fingerprint:
* https://www.postgresql.org/docs/current/static/release.html
"""
if not conf.extensiveFp and Backend.isDbmsWithin(PGSQL_ALIASES):
setDbms(DBMS.PGSQL)
self.getBanner()
return True
infoMsg = "testing %s" % DBMS.PGSQL
logger.info(infoMsg)
# NOTE: Vertica works too without the CONVERT_TO()
result = inject.checkBooleanExpression("CONVERT_TO('[RANDSTR]', QUOTE_IDENT(NULL)) IS NULL")
if result:
infoMsg = "confirming %s" % DBMS.PGSQL
logger.info(infoMsg)
result = inject.checkBooleanExpression("COALESCE([RANDNUM], NULL)=[RANDNUM]")
if not result:
warnMsg = "the back-end DBMS is not %s" % DBMS.PGSQL
logger.warning(warnMsg)
return False
setDbms(DBMS.PGSQL)
self.getBanner()
if not conf.extensiveFp:
return True
infoMsg = "actively fingerprinting %s" % DBMS.PGSQL
logger.info(infoMsg)
if inject.checkBooleanExpression("JSON_QUERY(NULL::jsonb, '$') IS NULL"):
Backend.setVersion(">= 17.0")
elif inject.checkBooleanExpression("RANDOM_NORMAL(0.0, 1.0) IS NOT NULL"):
Backend.setVersion(">= 16.0")
elif inject.checkBooleanExpression("REGEXP_COUNT(NULL,NULL) IS NULL"):
Backend.setVersion(">= 15.0")
elif inject.checkBooleanExpression("BIT_COUNT(NULL) IS NULL"):
Backend.setVersion(">= 14.0")
elif inject.checkBooleanExpression("GEN_RANDOM_UUID() IS NOT NULL"):
Backend.setVersion(">= 13.0")
elif inject.checkBooleanExpression("SINH(0)=0"):
Backend.setVersion(">= 12.0")
elif inject.checkBooleanExpression("SHA256(NULL) IS NULL"):
Backend.setVersion(">= 11.0")
elif inject.checkBooleanExpression("XMLTABLE(NULL) IS NULL"):
Backend.setVersionList([">= 10.0", "< 11.0"])
elif inject.checkBooleanExpression("SIND(0)=0"):
Backend.setVersionList([">= 9.6.0", "< 10.0"])
elif inject.checkBooleanExpression("TO_JSONB(1) IS NOT NULL"):
Backend.setVersionList([">= 9.5.0", "< 9.6.0"])
elif inject.checkBooleanExpression("JSON_TYPEOF(NULL) IS NULL"):
Backend.setVersionList([">= 9.4.0", "< 9.5.0"])
elif inject.checkBooleanExpression("ARRAY_REPLACE(NULL,1,1) IS NULL"):
Backend.setVersionList([">= 9.3.0", "< 9.4.0"])
elif inject.checkBooleanExpression("ROW_TO_JSON(NULL) IS NULL"):
Backend.setVersionList([">= 9.2.0", "< 9.3.0"])
elif inject.checkBooleanExpression("REVERSE('sqlmap')='pamlqs'"):
Backend.setVersionList([">= 9.1.0", "< 9.2.0"])
elif inject.checkBooleanExpression("LENGTH(TO_CHAR(1,'EEEE'))>0"):
Backend.setVersionList([">= 9.0.0", "< 9.1.0"])
elif inject.checkBooleanExpression("2=(SELECT DIV(6,3))"):
Backend.setVersionList([">= 8.4.0", "< 9.0.0"])
elif inject.checkBooleanExpression("EXTRACT(ISODOW FROM CURRENT_TIMESTAMP)<8"):
Backend.setVersionList([">= 8.3.0", "< 8.4.0"])
elif inject.checkBooleanExpression("ISFINITE(TRANSACTION_TIMESTAMP())"):
Backend.setVersionList([">= 8.2.0", "< 8.3.0"])
elif inject.checkBooleanExpression("9=(SELECT GREATEST(5,9,1))"):
Backend.setVersionList([">= 8.1.0", "< 8.2.0"])
elif inject.checkBooleanExpression("3=(SELECT WIDTH_BUCKET(5.35,0.024,10.06,5))"):
Backend.setVersionList([">= 8.0.0", "< 8.1.0"])
elif inject.checkBooleanExpression("'d'=(SELECT SUBSTR(MD5('sqlmap'),1,1))"):
Backend.setVersionList([">= 7.4.0", "< 8.0.0"])
elif inject.checkBooleanExpression("'p'=(SELECT SUBSTR(CURRENT_SCHEMA(),1,1))"):
Backend.setVersionList([">= 7.3.0", "< 7.4.0"])
elif inject.checkBooleanExpression("8=(SELECT BIT_LENGTH(1))"):
Backend.setVersionList([">= 7.2.0", "< 7.3.0"])
elif inject.checkBooleanExpression("'a'=(SELECT SUBSTR(QUOTE_LITERAL('a'),2,1))"):
Backend.setVersionList([">= 7.1.0", "< 7.2.0"])
elif inject.checkBooleanExpression("8=(SELECT POW(2,3))"):
Backend.setVersionList([">= 7.0.0", "< 7.1.0"])
elif inject.checkBooleanExpression("'a'=(SELECT MAX('a'))"):
Backend.setVersionList([">= 6.5.0", "< 6.5.3"])
elif inject.checkBooleanExpression("VERSION()=VERSION()"):
Backend.setVersionList([">= 6.4.0", "< 6.5.0"])
elif inject.checkBooleanExpression("2=(SELECT SUBSTR(CURRENT_DATE,1,1))"):
Backend.setVersionList([">= 6.3.0", "< 6.4.0"])
elif inject.checkBooleanExpression("'s'=(SELECT SUBSTRING('sqlmap',1,1))"):
Backend.setVersionList([">= 6.2.0", "< 6.3.0"])
else:
Backend.setVersion("< 6.2.0")
return True
else:
warnMsg = "the back-end DBMS is not %s" % DBMS.PGSQL
logger.warning(warnMsg)
return False
def checkDbmsOs(self, detailed=False):
if Backend.getOs():
return
infoMsg = "fingerprinting the back-end DBMS operating system"
logger.info(infoMsg)
self.createSupportTbl(self.fileTblName, self.tblField, "character(10000)")
inject.goStacked("INSERT INTO %s(%s) VALUES (%s)" % (self.fileTblName, self.tblField, "VERSION()"))
# Windows executables should always have ' Visual C++' or ' mingw'
# patterns within the banner
osWindows = (" Visual C++", "mingw")
for osPattern in osWindows:
query = "(SELECT LENGTH(%s) FROM %s WHERE %s " % (self.tblField, self.fileTblName, self.tblField)
query += "LIKE '%" + osPattern + "%')>0"
if inject.checkBooleanExpression(query):
Backend.setOs(OS.WINDOWS)
break
if Backend.getOs() is None:
Backend.setOs(OS.LINUX)
infoMsg = "the back-end DBMS operating system is %s" % Backend.getOs()
logger.info(infoMsg)
self.cleanup(onlyFileTbl=True)
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