#VERSION,2.04
# $Id: nikto_favicon.plugin 152 2009-08-13 19:37:44Z deity $

###############################################################################
#  Copyright (C) 2007 CIRT, Inc.
#
#  This program 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 only.
#
#  This program 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 this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
###############################################################################

###############################################################################
# PURPOSE
# Get a favicon.ico file & MD5 fingerprint
###############################################################################
sub nikto_favicon_init
{
   my $id =
   {
      name         => "favicon",
      full_name    => "Favicon",
      author       => "Sullo",
      description  => "Checks the web server's favicon against known favicons.",
      copyright    => "2008 CIRT Inc.",
      scan_method  => \&nikto_favicon,
   };
   return $id;
}

sub nikto_favicon
{
   my ($mark)=@_;
   my ($RES, $CONTENT) = nfetch($mark,"/favicon.ico","GET");
   my $dbarray = initialise_db("db_favicon");

   if ($RES eq "200" && $CONTENT ne "")
   {
      my $hash = LW2::md5($CONTENT);
      $hash =~ s/^.*://;
      nprint("Got favicon.ico hash:$hash", "d", "");

      foreach my $item (@$dbarray)
      {
         if ($item->{md5hash} eq $hash)
         {
            add_vulnerability($mark,"/favicon.ico file identifies this server as: $item->{description}", $item->{nikto_id}, 39272);
         }
      }
   }
}

1;