Linksys Device Detection (HNAP)

# SPDX-FileCopyrightText: 2020 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("1.3.6.1.4.1.25623.1.0.144525");
  script_version("2024-03-26T05:06:00+0000");
  script_tag(name:"last_modification", value:"2024-03-26 05:06:00 +0000 (Tue, 26 Mar 2024)");
  script_tag(name:"creation_date", value:"2020-09-03 06:02:37 +0000 (Thu, 03 Sep 2020)");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
  script_tag(name:"cvss_base", value:"0.0");

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

  script_name("Linksys Device Detection (HNAP)");

  script_tag(name:"summary", value:"HNAP based detection of Linksys devices.");

  script_category(ACT_GATHER_INFO);
  script_family("Product detection");
  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_dependencies("gb_hnap_detect.nasl");
  script_mandatory_keys("HNAP/port");

  exit(0);
}

if (!port = get_kb_item("HNAP/port"))
  exit(0);

vendor = get_kb_item("HNAP/" + port + "/vendor");
if (!vendor || "linksys" >!< tolower(vendor))
  exit(0);

model = "unknown";
version = "unknown";

set_kb_item(name: "linksys/detected", value: TRUE);
set_kb_item(name: "linksys/hnap/detected", value: TRUE);
set_kb_item(name: "linksys/hnap/port", value: port);

mod = get_kb_item("HNAP/" + port + "/model");
if (mod) {
  model = mod;
  concl = get_kb_item("HNAP/" + port + "/model_concluded");
  if (concl)
    concluded = '\n    Model:        ' + concl;
}

vers = get_kb_item("HNAP/" + port + "/firmware");
if (vers) {
  # 2.00.4, Jan 20 2010
  # 1.0.07 build 1
  vers = eregmatch(pattern: "^([0-9.]+)", string: vers);
  if (!isnull(vers[1])) {
    version = vers[1];
    concl = get_kb_item("HNAP/" + port + "/firmware_concluded");
    if (concl)
      concluded += '\n    Version:      ' + concl;
  }
}

url = get_kb_item("HNAP/" + port + "/conclurl");
if (url)
  set_kb_item(name: "linksys/hnap/" + port + "/concludedUrl", value: url);

set_kb_item(name: "linksys/hnap/" + port + "/model", value: model);
set_kb_item(name: "linksys/hnap/" + port + "/version", value: version);

if (concluded)
  set_kb_item(name: "linksys/hnap/" + port + "/concluded", value: concluded);

exit(0);