nginx Detection Consolidation

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.0.113787");
  script_version("2026-06-18T07:15:20+0000");
  script_tag(name:"last_modification", value:"2026-06-18 07:15:20 +0000 (Thu, 18 Jun 2026)");
  script_tag(name:"creation_date", value:"2021-01-26 14:11:11 +0100 (Tue, 26 Jan 2021)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");

  script_tag(name:"qod_type", value:"remote_banner");

  script_name("nginx Detection Consolidation");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("Product detection");
  script_dependencies("gb_nginx_http_detect.nasl", "gb_nginx_ssh_login_detect.nasl");
  script_mandatory_keys("nginx/detected");

  script_tag(name:"summary", value:"Consolidation of Nginx detections.");

  script_xref(name:"URL", value:"https://nginx.org");
  script_xref(name:"URL", value:"https://www.f5.com/products/nginx");

  exit(0);
}

if( ! get_kb_item( "nginx/detected" ) )
  exit( 0 );

include("host_details.inc");
include("cpe.inc");

report = ""; # nb: To make openvas-nasl-lint happy...

foreach proto( make_list( "ssh-login", "http" ) ) {

  install_list = get_kb_list( "nginx/" + proto + "/*/installs" );
  if( ! install_list )
    continue;

  # nb: Note that sorting the array above is currently dropping the named array index
  install_list = sort( install_list );

  foreach install( install_list ) {

    infos = split( install, sep: "#---#", keep: FALSE );
    if( max_index( infos ) < 3 )
      continue; # Something went wrong and not all required infos are there...

    port      = infos[0];
    install   = infos[1];
    version   = infos[2];
    concl     = infos[3];
    concl_url = infos[4];
    extra     = infos[5];

    # nb: There is also cpe:/a:igor_sysoev:nginx but this is deprecated in the NVD and no CVE
    # is referring to it so we're not using that one.
    cpe1 = build_cpe( value: version, exp: "^([0-9.]+)", base: "cpe:/a:nginx:nginx:" );
    cpe2 = build_cpe( value: version, exp: "^([0-9.]+)", base: "cpe:/a:f5:nginx:" );
    if( ! cpe1 ) {
      cpe1 = "cpe:/a:nginx:nginx";
      cpe2 = "cpe:/a:f5:nginx";
    }

    if( proto == "http" )
      service = "www";
    else
      service = proto;

    register_product( cpe: cpe1, location: install, port: port, service: service );
    register_product( cpe: cpe2, location: install, port: port, service: service );

    if( report )
      report += '\n\n';
    report += build_detection_report( app: "Nginx",
                                      version: version,
                                      install: install,
                                      cpe: cpe1,
                                      extra: extra,
                                      concludedUrl: concl_url,
                                      concluded: concl );
  }
}

if( report )
  log_message( port: 0, data: report );

exit( 0 );