/usr/share/w3af/plugins/discovery/findDVCS.py is in w3af-console 1.1svn5547-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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findDVCS.py
Copyright 2011 Adam Baldwin
This file is part of w3af, w3af.sourceforge.net .
w3af is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 2 of the License.
w3af is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with w3af; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
'''
import re
import StringIO
import core.controllers.outputManager as om
# options
from core.data.options.optionList import optionList
from core.controllers.basePlugin.baseDiscoveryPlugin import baseDiscoveryPlugin
from core.controllers.w3afException import w3afException
from core.controllers.coreHelpers.fingerprint_404 import is_404
import core.data.kb.knowledgeBase as kb
import core.data.kb.vuln as vuln
import core.data.constants.severity as severity
from core.data.bloomfilter.bloomfilter import scalable_bloomfilter
class findDVCS(baseDiscoveryPlugin):
'''
Find GIT, Mercurial (HG), and Bazaar (BZR) repositories
@author: Adam Baldwin (adam_baldwin@ngenuity-is.com)
'''
def __init__(self):
baseDiscoveryPlugin.__init__(self)
# Internal variables
self._analyzed_dirs = scalable_bloomfilter()
self._compile_DVCS_RE()
def discover(self, fuzzableRequest ):
'''
For every directory, fetch a list of files and analyze the response using regex.
@parameter fuzzableRequest: A fuzzableRequest instance that contains (among other things) the URL to test.
'''
domain_path = fuzzableRequest.getURL().getDomainPath()
self._fuzzable_requests_to_return = []
if domain_path not in self._analyzed_dirs:
self._analyzed_dirs.add( domain_path )
for repo in self._compiled_dvcs_info.keys():
relative_url = self._compiled_dvcs_info[repo]['filename']
regular_expression = self._compiled_dvcs_info[repo]['re']
repo_url = domain_path.urlJoin(relative_url)
try:
response = self._uri_opener.GET( repo_url, cache=True )
except w3afException:
om.out.debug('Failed to GET '+repo+' file: "' + repo_url + '"')
else:
if not is_404(response):
# Check pattern
f = StringIO.StringIO(response.getBody())
for line in f:
if regular_expression.match(line):
v = vuln.vuln()
v.setPluginName(self.getName())
v.setId( response.id )
v.setName( 'Possible '+repo+' repository found' )
v.setSeverity(severity.LOW)
v.setURL( response.getURL() )
msg = 'A '+repo+' repository file was found at: "' + v.getURL() + '" ; this could'
msg += ' indicate that a '+repo+' repo is accessible. You might be able to download'
msg += ' the Web application source code.'
v.setDesc( msg )
kb.kb.append( self, repo.upper(), v )
om.out.vulnerability( v.getDesc(), severity=v.getSeverity() )
fuzzable_requests = self._createFuzzableRequests( response )
self._fuzzable_requests_to_return.extend( fuzzable_requests )
return self._fuzzable_requests_to_return
def _compile_DVCS_RE( self ):
'''
Compile the regular expressions. This is done at the beginning,
in order to save CPU power.
@return: None, the result is saved in "self._compiled_dvcs_info".
'''
self._compiled_dvcs_info = {}
self._compiled_dvcs_info['git'] = {}
self._compiled_dvcs_info['hg'] = {}
self._compiled_dvcs_info['bzr'] = {}
self._compiled_dvcs_info['git']['re'] = re.compile('^ref: refs/')
self._compiled_dvcs_info['git']['filename'] = '.git/HEAD'
self._compiled_dvcs_info['hg']['re'] = re.compile('^revlogv1')
self._compiled_dvcs_info['hg']['filename'] = '.hg/requires'
self._compiled_dvcs_info['bzr']['re'] = re.compile('^This\sis\sa\sBazaar')
self._compiled_dvcs_info['bzr']['filename'] = '.bzr/README'
def getOptions( self ):
'''
@return: A list of option objects for this plugin.
'''
ol = optionList()
return ol
def setOptions( self, OptionList ):
'''
This method sets all the options that are configured using the user interface
generated by the framework using the result of getOptions().
@parameter OptionList: A dictionary with the options for the plugin.
@return: No value is returned.
'''
pass
def getPluginDeps( self ):
'''
@return: A list with the names of the plugins that should be run before the
current one.
'''
return []
def getLongDesc( self ):
'''
@return: A DETAILED description of the plugin functions and features.
'''
return '''
This plugin search for evidence of git, hg or bzr metadata in a directory.
For example, if the input is:
- http://host.tld/w3af/index.php
The plugin will perform a request to:
- http://host.tld/w3af/.git/HEAD
- or
- http://host.tld/w3af/.hg/requires
- or
- http://host.tld/w3af/.bzr/README
'''
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