Added plugin logic for the 'Snowflake' DBMS

plugins/dbms/snowflake/__init__.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
+See the file 'LICENSE' for copying permission
+"""
+
+from lib.core.enums import DBMS
+from lib.core.settings import SNOWFLAKE_SYSTEM_DBS
+from lib.core.unescaper import unescaper
+from plugins.dbms.snowflake.enumeration import Enumeration
+from plugins.dbms.snowflake.filesystem import Filesystem
+from plugins.dbms.snowflake.fingerprint import Fingerprint
+from plugins.dbms.snowflake.syntax import Syntax
+from plugins.dbms.snowflake.takeover import Takeover
+from plugins.generic.misc import Miscellaneous
+
+class SnowflakeMap(Syntax, Fingerprint, Enumeration, Filesystem, Miscellaneous, Takeover):
+    """
+    This class defines Snowflake methods
+    """
+
+    def __init__(self):
+        self.excludeDbsList = SNOWFLAKE_SYSTEM_DBS
+
+        for cls in self.__class__.__bases__:
+            cls.__init__(self)
+
+    unescaper[DBMS.SNOWFLAKE] = Syntax.escape

plugins/dbms/snowflake/connector.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
+See the file 'LICENSE' for copying permission
+"""
+
+try:
+    import snowflake.connector
+except:
+    pass
+
+import logging
+
+from lib.core.common import getSafeExString
+from lib.core.convert import getText
+from lib.core.data import conf
+from lib.core.data import logger
+from lib.core.exception import SqlmapConnectionException
+from plugins.generic.connector import Connector as GenericConnector
+
+class Connector(GenericConnector):
+    """
+    Homepage: https://www.snowflake.com/
+    User guide: https://docs.snowflake.com/en/developer-guide/python-connector/python-connector
+    API: https://docs.snowflake.com/en/developer-guide/python-connector/python-connector-api
+    """
+
+    def __init__(self):
+        GenericConnector.__init__(self)
+
+    def connect(self):
+        self.initConnection()
+
+        try:
+            self.connector = snowflake.connector.connect(
+                user=self.user,
+                password=self.password,
+                account=self.account,
+                warehouse=self.warehouse,
+                database=self.db,
+                schema=self.schema
+            )
+            cursor = self.connector.cursor()
+            cursor.execute("SELECT CURRENT_VERSION()")
+            cursor.close()
+
+        except Exception as ex:
+            raise SqlmapConnectionException(getSafeExString(ex))
+
+        self.initCursor()
+        self.printConnected()
+
+    def fetchall(self):
+        try:
+            return self.cursor.fetchall()
+        except Exception as ex:
+            logger.log(logging.WARNING if conf.dbmsHandler else logging.DEBUG, "(remote) '%s'" % getSafeExString(ex))
+            return None
+
+    def execute(self, query):
+        try:
+            self.cursor.execute(getText(query))
+        except Exception as ex:
+            logger.log(logging.WARNING if conf.dbmsHandler else logging.DEBUG, "(remote) '%s'" % getSafeExString(ex))
+            return None
+
+    def select(self, query):
+        self.execute(query)
+        return self.fetchall()

plugins/dbms/snowflake/enumeration.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
+See the file 'LICENSE' for copying permission
+"""
+
+from lib.core.data import logger
+from lib.core.exception import SqlmapUnsupportedFeatureException
+from plugins.generic.enumeration import Enumeration as GenericEnumeration
+
+class Enumeration(GenericEnumeration):
+    def getPasswordHashes(self):
+        warnMsg = "on Snowflake it is not possible to enumerate the user password hashes"
+        logger.warning(warnMsg)
+        return {}
+
+    def getHostname(self):
+        warnMsg = "on Snowflake it is not possible to enumerate the hostname"
+        logger.warning(warnMsg)
+
+    def searchDb(self):
+        warnMsg = "on Snowflake it is not possible to search databases"
+        logger.warning(warnMsg)
+        return []
+
+    def searchColumn(self):
+        errMsg = "on Snowflake it is not possible to search columns"
+        raise SqlmapUnsupportedFeatureException(errMsg)
+
+    def getPrivileges(self, *args, **kwargs):
+        warnMsg = "on SQLite it is not possible to enumerate the user privileges"
+        logger.warning(warnMsg)
+        return {}
+
+    def getStatements(self):
+        warnMsg = "on Snowflake it is not possible to enumerate the SQL statements"
+        logger.warning(warnMsg)
+        return []

plugins/dbms/snowflake/filesystem.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
+See the file 'LICENSE' for copying permission
+"""
+
+from lib.core.exception import SqlmapUnsupportedFeatureException
+from plugins.generic.filesystem import Filesystem as GenericFilesystem
+
+class Filesystem(GenericFilesystem):
+    def readFile(self, remoteFile):
+        errMsg = "on Snowflake it is not possible to read files"
+        raise SqlmapUnsupportedFeatureException(errMsg)
+
+    def writeFile(self, localFile, remoteFile, fileType=None, forceCheck=False):
+        errMsg = "on Snowflake it is not possible to write files"
+        raise SqlmapUnsupportedFeatureException(errMsg)

plugins/dbms/snowflake/fingerprint.py

@@ -0,0 +1,96 @@
+#!/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.data import conf
+from lib.core.data import kb
+from lib.core.data import logger
+from lib.core.enums import DBMS
+from lib.core.session import setDbms
+from lib.core.settings import METADB_SUFFIX
+from lib.core.settings import SNOWFLAKE_ALIASES
+from lib.request import inject
+from plugins.generic.fingerprint import Fingerprint as GenericFingerprint
+
+class Fingerprint(GenericFingerprint):
+    def __init__(self):
+        GenericFingerprint.__init__(self, DBMS.SNOWFLAKE)
+
+    def getFingerprint(self):
+        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.SNOWFLAKE
+            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)
+
+        return value
+
+    def checkDbms(self):
+        """
+        References for fingerprint:
+
+        * https://docs.snowflake.com/en/sql-reference/functions/current_warehouse
+        * https://docs.snowflake.com/en/sql-reference/functions/md5_number_upper64
+        """
+
+        if not conf.extensiveFp and Backend.isDbmsWithin(SNOWFLAKE_ALIASES):
+            setDbms("%s %s" % (DBMS.SNOWFLAKE, Backend.getVersion()))
+            self.getBanner()
+            return True
+
+        infoMsg = "testing %s" % DBMS.SNOWFLAKE
+        logger.info(infoMsg)
+
+        result = inject.checkBooleanExpression("CURRENT_WAREHOUSE()=CURRENT_WAREHOUSE()")
+        if result:
+            infoMsg = "confirming %s" % DBMS.SNOWFLAKE
+            logger.info(infoMsg)
+
+            result = inject.checkBooleanExpression("MD5_NUMBER_UPPER64('z')=MD5_NUMBER_UPPER64('z')")
+            if not result:
+                warnMsg = "the back-end DBMS is not %s" % DBMS.SNOWFLAKE
+                logger.warning(warnMsg)
+                return False
+            
+            setDbms(DBMS.SNOWFLAKE)
+            self.getBanner()
+            return True
+            
+        else:
+            warnMsg = "the back-end DBMS is not %s" % DBMS.SNOWFLAKE
+            logger.warning(warnMsg)
+
+            return False

plugins/dbms/snowflake/syntax.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
+See the file 'LICENSE' for copying permission
+"""
+
+from lib.core.convert import getOrds
+from plugins.generic.syntax import Syntax as GenericSyntax
+
+class Syntax(GenericSyntax):
+    @staticmethod
+    def escape(expression, quote=True):
+        """
+        >>> Syntax.escape("SELECT 'abcdefgh' FROM foobar") == "SELECT CHR(97)||CHR(98)||CHR(99)||CHR(100)||CHR(101)||CHR(102)||CHR(103)||CHR(104) FROM foobar"
+        True
+        """
+
+        def escaper(value):
+            # Convert each character to its ASCII code and wrap with CHR()
+            return "||".join(f"CHR({ord(c)})" for c in value)
+
+        return Syntax._escape(expression, quote, escaper)

plugins/dbms/snowflake/takeover.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
+See the file 'LICENSE' for copying permission
+"""
+
+from lib.core.exception import SqlmapUnsupportedFeatureException
+from plugins.generic.takeover import Takeover as GenericTakeover
+
+class Takeover(GenericTakeover):
+    def osCmd(self):
+        errMsg = "on Snowflake it is not possible to execute commands"
+        raise SqlmapUnsupportedFeatureException(errMsg)
+
+    def osShell(self):
+        errMsg = "on Snowflake it is not possible to execute commands"
+        raise SqlmapUnsupportedFeatureException(errMsg)
+
+    def osPwn(self):
+        errMsg = "on Snowflake it is not possible to establish an "
+        errMsg += "out-of-band connection"
+        raise SqlmapUnsupportedFeatureException(errMsg)
+
+    def osSmb(self):
+        errMsg = "on Snowflake it is not possible to establish an "
+        errMsg += "out-of-band connection"
+        raise SqlmapUnsupportedFeatureException(errMsg)