Nginx Detection (Linux/Unix SSH Login)

# 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("1.3.6.1.4.1.25623.1.0.113786");
  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 11:46:55 +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:"executable_version");

  script_name("Nginx Detection (Linux/Unix SSH Login)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("Product detection");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("login/SSH/success");
  script_exclude_keys("ssh/no_linux_shell");

  script_tag(name:"summary", value:"SSH login-based detection of Nginx.");

  exit(0);
}

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

sock = ssh_login_or_reuse_connection();
if( ! sock )
  exit( 0 );

port = kb_ssh_transport();

paths = ssh_find_bin( prog_name: "nginx", sock: sock );

foreach bin( paths ) {
  bin = chomp( bin );
  if( ! bin )
    continue;

  # nginx version: nginx/1.14.2
  vers = ssh_get_bin_version( full_prog_name: bin, sock: sock, version_argv: "-v", ver_pattern: "nginx version: nginx/([0-9.]+)" );
  if( isnull( vers[1] ) )
    continue;

  set_kb_item( name: "nginx/detected", value: TRUE );
  set_kb_item( name: "nginx/ssh-login/detected", value: TRUE );
  set_kb_item( name: "nginx/ssh-login/port", value: port );
  set_kb_item( name: "nginx/ssh-login/" + port + "/installs", value:"0#---#" + bin + "#---#" + vers[1] + "#---#" + vers[0] );
}

exit( 0 );