ViewVC Detection

# SPDX-FileCopyrightText: 2009 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100261");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
  script_version("2023-07-28T16:09:08+0000");
  script_tag(name:"last_modification", value:"2023-07-28 16:09:08 +0000 (Fri, 28 Jul 2023)");
  script_tag(name:"creation_date", value:"2009-08-26 20:38:31 +0200 (Wed, 26 Aug 2009)");
  script_tag(name:"cvss_base", value:"0.0");
  script_name("ViewVC Detection");
  script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"remote_banner");
  script_family("Product detection");
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"This host is running ViewVC, a browser interface for CVS and
  Subversion version control repositories.");

  script_xref(name:"URL", value:"http://www.viewvc.org/");

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");
include("list_array_func.inc");
include("cpe.inc");
include("host_details.inc");

SCRIPT_DESC = "ViewVC Detection";

port = http_get_port(default:80);

vcs = make_list("/viewvc","/viewvc.cgi");

foreach dir( make_list_unique( "/svn", "/scm", http_cgi_dirs( port:port ) ) ) {

 install = dir;
 if( dir == "/" ) dir = "";

 foreach vc( vcs ) {

  url = string(dir,vc,"/");
  req = http_get(item:url, port:port);
  buf = http_keepalive_send_recv(port:port, data:req, bodyonly:FALSE);
  if( ! buf ) continue;

  if(egrep(pattern: "Powered by <a[^>]+>ViewVC", string: buf, icase: TRUE) ||
     egrep(pattern: "<meta.*generator.*ViewVC", string: buf, icase: TRUE) )
  {
     vers = string("unknown");
     version = eregmatch(string: buf, pattern: "ViewVC ([0-9.]+[-dev]*)",icase:TRUE);

     if ( !isnull(version[1]) ) {
        vers=chomp(version[1]);
     }

     tmp_version = string(vers," under ",install);
     set_kb_item(name: string("www/", port, "/viewvc"), value: tmp_version);
     set_kb_item(name: "viewvc/detected", value: TRUE);

     cpe = build_cpe(value:tmp_version, exp:"^([0-9.]+-?([a-z0-9]+)?)", base:"cpe:/a:viewvc:viewvc:");
     if(!isnull(cpe))
        register_host_detail(name:"App", value:cpe, desc:SCRIPT_DESC);

     info = string("ViewVC Version '");
     info += string(vers);
     info += string("' was detected on the remote host in the following directory(s):\n\n");
     info += string(install, "\n");

     log_message(port:port,data:info);
     exit(0);
   }
 }
}

exit(0);