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108 lines
3.9 KiB
Python
108 lines
3.9 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2012 sqlmap developers (http://www.sqlmap.org/)
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See the file 'doc/COPYING' for copying permission
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"""
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import urllib2
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import urlparse
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from lib.core.data import conf
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from lib.core.data import kb
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from lib.core.data import logger
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from lib.core.common import getHostHeader
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from lib.core.common import getUnicode
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from lib.core.common import logHTTPTraffic
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from lib.core.common import readInput
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from lib.core.enums import HTTPHEADER
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from lib.core.enums import REDIRECTION
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from lib.core.exception import sqlmapConnectionException
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from lib.core.settings import MAX_SINGLE_URL_REDIRECTIONS
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from lib.core.settings import MAX_TOTAL_REDIRECTIONS
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from lib.core.threads import getCurrentThreadData
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from lib.request.basic import decodePage
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class SmartRedirectHandler(urllib2.HTTPRedirectHandler):
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def _get_header_redirect(self, headers):
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retVal = None
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if headers:
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if "location" in headers:
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retVal = headers.getheaders("location")[0].split("?")[0]
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elif "uri" in headers:
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retVal = headers.getheaders("uri")[0].split("?")[0]
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return retVal
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def _ask_redirect_choice(self, redcode, redurl):
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if kb.redirectChoice is None:
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msg = "sqlmap got a %d redirect to " % redcode
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msg += "'%s'. Do you want to follow? [Y/n] " % redurl
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choice = readInput(msg, default="Y")
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kb.redirectChoice = choice.upper()
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def _process_http_redirect(self, result, headers, code, content, msg, redurl):
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content = decodePage(content, headers.get(HTTPHEADER.CONTENT_ENCODING), headers.get(HTTPHEADER.CONTENT_TYPE))
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threadData = getCurrentThreadData()
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threadData.lastRedirectMsg = (threadData.lastRequestUID, content)
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responseMsg = "HTTP response "
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responseMsg += "[#%d] (%d %s):\n" % (threadData.lastRequestUID, code, getUnicode(msg))
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if headers:
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logHeaders = "\n".join("%s: %s" % (key.capitalize() if isinstance(key, basestring) else key, getUnicode(value)) for (key, value) in headers.items())
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else:
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logHeaders = ""
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logHTTPTraffic(threadData.lastRequestMsg, "%s%s" % (responseMsg, logHeaders))
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responseMsg += getUnicode(logHeaders)
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logger.log(7, responseMsg)
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if "set-cookie" in headers:
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kb.redirectSetCookie = headers["set-cookie"].split("; path")[0]
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result.redcode = code
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result.redurl = redurl
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return result
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def http_error_302(self, req, fp, code, msg, headers):
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content = None
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redurl = self._get_header_redirect(headers)
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if not urlparse.urlsplit(redurl).netloc:
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redurl = urlparse.urljoin(conf.url, redurl)
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self._infinite_loop_check(req)
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self._ask_redirect_choice(code, redurl)
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try:
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content = fp.read()
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except Exception, msg:
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dbgMsg = "there was a problem while retrieving "
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dbgMsg += "redirect response content (%s)" % msg
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logger.debug(dbgMsg)
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if kb.redirectChoice == REDIRECTION.YES:
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req.headers[HTTPHEADER.HOST] = getHostHeader(redurl)
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result = urllib2.HTTPRedirectHandler.http_error_302(self, req, fp, code, msg, headers)
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else:
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result = fp
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return self._process_http_redirect(result, headers, code, content, msg, redurl)
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http_error_301 = http_error_303 = http_error_307 = http_error_302
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def _infinite_loop_check(self, req):
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if hasattr(req, 'redirect_dict') and (req.redirect_dict.get(req.get_full_url(), 0) >= MAX_SINGLE_URL_REDIRECTIONS or len(req.redirect_dict) >= MAX_TOTAL_REDIRECTIONS):
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errMsg = "infinite redirect loop detected (%s). " % ", ".join(item for item in req.redirect_dict.keys())
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errMsg += "please check all provided parameters and/or provide missing ones."
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raise sqlmapConnectionException, errMsg
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