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116 lines
3.5 KiB
Python
116 lines
3.5 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2022 sqlmap developers (https://sqlmap.org/)
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See the file 'LICENSE' for copying permission
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"""
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import re
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from xml.sax.handler import ContentHandler
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from lib.core.common import Backend
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from lib.core.common import parseXmlFile
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from lib.core.common import sanitizeStr
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from lib.core.data import kb
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from lib.core.data import paths
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from lib.core.enums import DBMS
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from lib.parse.handler import FingerprintHandler
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class MSSQLBannerHandler(ContentHandler):
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"""
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This class defines methods to parse and extract information from the
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given Microsoft SQL Server banner based upon the data in XML file
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"""
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def __init__(self, banner, info):
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ContentHandler.__init__(self)
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self._banner = sanitizeStr(banner or "")
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self._inVersion = False
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self._inServicePack = False
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self._release = None
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self._version = ""
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self._versionAlt = None
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self._servicePack = ""
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self._info = info
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def _feedInfo(self, key, value):
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value = sanitizeStr(value)
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if value in (None, "None"):
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return
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self._info[key] = value
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def startElement(self, name, attrs):
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if name == "signatures":
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self._release = sanitizeStr(attrs.get("release"))
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elif name == "version":
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self._inVersion = True
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elif name == "servicepack":
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self._inServicePack = True
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def characters(self, content):
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if self._inVersion:
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self._version += sanitizeStr(content)
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elif self._inServicePack:
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self._servicePack += sanitizeStr(content)
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def endElement(self, name):
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if name == "signature":
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for version in (self._version, self._versionAlt):
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if version and self._banner and re.search(r" %s[\.\ ]+" % re.escape(version), self._banner):
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self._feedInfo("dbmsRelease", self._release)
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self._feedInfo("dbmsVersion", self._version)
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self._feedInfo("dbmsServicePack", self._servicePack)
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break
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self._version = ""
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self._versionAlt = None
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self._servicePack = ""
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elif name == "version":
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self._inVersion = False
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self._version = self._version.replace(" ", "")
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match = re.search(r"\A(?P<major>\d+)\.00\.(?P<build>\d+)\Z", self._version)
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self._versionAlt = "%s.0.%s.0" % (match.group('major'), match.group('build')) if match else None
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elif name == "servicepack":
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self._inServicePack = False
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self._servicePack = self._servicePack.replace(" ", "")
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def bannerParser(banner):
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"""
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This function calls a class to extract information from the given
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DBMS banner based upon the data in XML file
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"""
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xmlfile = None
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if Backend.isDbms(DBMS.MSSQL):
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xmlfile = paths.MSSQL_XML
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elif Backend.isDbms(DBMS.MYSQL):
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xmlfile = paths.MYSQL_XML
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elif Backend.isDbms(DBMS.ORACLE):
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xmlfile = paths.ORACLE_XML
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elif Backend.isDbms(DBMS.PGSQL):
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xmlfile = paths.PGSQL_XML
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if not xmlfile:
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return
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if Backend.isDbms(DBMS.MSSQL):
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handler = MSSQLBannerHandler(banner, kb.bannerFp)
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parseXmlFile(xmlfile, handler)
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handler = FingerprintHandler(banner, kb.bannerFp)
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parseXmlFile(paths.GENERIC_XML, handler)
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else:
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handler = FingerprintHandler(banner, kb.bannerFp)
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parseXmlFile(xmlfile, handler)
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parseXmlFile(paths.GENERIC_XML, handler)
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