Test if Audio Server installed and list access rights of /dev/audio

# SPDX-FileCopyrightText: 2010 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("1.3.6.1.4.1.25623.1.0.96088");
  script_version("2025-01-22T05:38:11+0000");
  script_tag(name:"last_modification", value:"2025-01-22 05:38:11 +0000 (Wed, 22 Jan 2025)");
  script_tag(name:"creation_date", value:"2010-05-11 16:10:57 +0200 (Tue, 11 May 2010)");
  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_name("Test if Audio Server installed and list access rights of /dev/audio");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("IT-Grundschutz");
  script_dependencies("compliance_tests.nasl", "gather-package-list.nasl", "smb_nativelanman.nasl", "netbios_name_get.nasl");
  script_mandatory_keys("Compliance/Launch/GSHB");

  script_tag(name:"summary", value:"Test if Audio Server is installed and list access rights of
  /dev/audio.

  This Script tests if the following Audio-Servers are installed:

  esound, paudio, pulseaudio, artsd, phonon.");

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

  exit(0);
}

include("ssh_func.inc");
include("misc_func.inc");
include("port_service_func.inc");
include("smb_nt.inc");

port = get_preference("auth_port_ssh");
if(!port)
  port = ssh_get_port(default:22, ignore_unscanned:TRUE);

sock = ssh_login_or_reuse_connection();
if(!sock) {
  error = ssh_get_error();
  if (!error) error = "No SSH Port or Connection!";
  log_message(port:port, data:error);
  set_kb_item(name: "GSHB/AUDIO/package", value:"error");
  set_kb_item(name: "GSHB/AUDIO/devaudio", value:"error");
  set_kb_item(name: "GSHB/AUDIO/log", value:error);
  exit(0);
}
SAMBA = kb_smb_is_samba();
SSHUNAME = get_kb_item("ssh/login/uname");

if (SAMBA || (SSHUNAME && ("command not found" >!< SSHUNAME && "CYGWIN" >!< SSHUNAME))){
  rpms = get_kb_item("ssh/login/packages");

  if (rpms){
    pkg1 = "esound";
    pkg2 = "paudio";
    pkg3 = "pulseaudio";
    pkg4 = "artsd";
    pkg5 = "phonon";

    pat1 = string("ii  (", pkg1, ") +([0-9]:)?([^ ]+)");
    pat2 = string("ii  (", pkg2, ") +([0-9]:)?([^ ]+)");
    pat3 = string("ii  (", pkg3, ") +([0-9]:)?([^ ]+)");
    pat4 = string("ii  (", pkg4, ") +([0-9]:)?([^ ]+)");
    pat5 = string("ii  (", pkg5, ") +([0-9]:)?([^ ]+)");
    desc1 = eregmatch(pattern:pat1, string:rpms);
    desc2 = eregmatch(pattern:pat2, string:rpms);
    desc3 = eregmatch(pattern:pat3, string:rpms);
    desc4 = eregmatch(pattern:pat4, string:rpms);
    desc5 = eregmatch(pattern:pat5, string:rpms);
  }else{

    rpms = get_kb_item("ssh/login/rpms");

    tmp = split(rpms, keep:FALSE);

    if (max_index(tmp) <= 1) rpms = ereg_replace(string:rpms, pattern:";", replace:'\n');

    pkg1 = "esound";
    pkg2 = "paudio";
    pkg3 = "pulseaudio";
    pkg4 = "artsd";
    pkg5 = "phonon";

    pat1 = string("(", pkg1, ")~([0-9a-zA-Z/.-_/+]+)~([0-9a-zA-Z/.-_]+)");
    pat2 = string("(", pkg2, ")~([0-9a-zA-Z/.-_/+]+)~([0-9a-zA-Z/.-_]+)");
    pat3 = string("(", pkg3, ")~([0-9a-zA-Z/.-_/+]+)~([0-9a-zA-Z/.-_]+)");
    pat4 = string("(", pkg4, ")~([0-9a-zA-Z/.-_/+]+)~([0-9a-zA-Z/.-_]+)");
    pat5 = string("(", pkg5, ")~([0-9a-zA-Z/.-_/+]+)~([0-9a-zA-Z/.-_]+)");
    desc1 = eregmatch(pattern:pat1, string:rpms);
    desc2 = eregmatch(pattern:pat2, string:rpms);
    desc3 = eregmatch(pattern:pat3, string:rpms);
    desc4 = eregmatch(pattern:pat4, string:rpms);
    desc5 = eregmatch(pattern:pat5, string:rpms);
  }

  if (desc1 || desc2 || desc3 || desc4 || desc5){
    if (desc1) package = desc1[1] + ";";
    if (desc2) package += desc2[1] + ";";
    if (desc3) package += desc3[1] + ";";
    if (desc4) package += desc4[1] + ";";
    if (desc5) package += desc5[1];
  }
  else package = "none";

  devaudio = ssh_cmd(socket:sock, cmd:"ls -l /dev/audio");
  if (devaudio =~ ".*(Datei oder Verzeichnis nicht gefunden|No such file or directory).*") devaudio = "no audio";

}
else{
  package = "windows";
  devaudio = "windows";
}

if (!package) package = "none";
if (!devaudio) devaudio = "none";

set_kb_item(name: "GSHB/AUDIO/package", value:package);
set_kb_item(name: "GSHB/AUDIO/devaudio", value:devaudio);
exit(0);