openGauss: Setting the Timeout Period of Client Authentication

# 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("1.3.6.1.4.1.25623.1.0.150349");
  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:"2020-11-11 15:21:37 +0000 (Wed, 11 Nov 2020)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:S/C:N/I:N/A:N");
  script_tag(name:"qod", value:"97");

  script_name("openGauss: Setting the Timeout Period of Client Authentication");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Policy");
  script_dependencies("gb_huawei_opengauss_ssh_login_detect.nasl", "compliance_tests.nasl", "opengauss_authentication_information.nasl");
  script_mandatory_keys("huawei/opengauss/detected", "Compliance/Launch");

  script_xref(name:"URL", value:"https://opengauss.org");

  script_tag(name:"summary", value:"authentication_timeout specifies the maximum time for client authentication.
The default value is 1 min. This parameter prevents faulty clients from occupying
the connection channel for a long time.");

  exit(0);
}

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

cmd = "SELECT name,setting FROM pg_settings WHERE name = 'authentication_timeout';";
title = "Setting the Timeout Period of Client Authentication ";
solution = "Set authentication_timeout to 1 min in the postgresql.conf file and then restart
the database.";
default = "1-60";
test_type = "SQL_Query";

if( ! get_kb_item( "login/SSH/success" ) || ! sock = ssh_login_or_reuse_connection() ) {
  compliant = "incomplete";
  value = "error";
  comment = "No SSH connection to host";
}else if ( ! value = policy_gsql_cmd( socket:sock, query:cmd ) ) {
  compliant = "incomplete";
  value = "error";
  comment = "SQL command did not return anything";
}else if ( value =~ "failed to connect" ) {
  compliant = "incomplete";
  value = "error";
  comment = "No connection to database";
}else{
  value = ereg_replace( string:chomp(value), pattern:"^\s+", replace:"" );
  setting = eregmatch( string:value, pattern:"authentication_timeout\s+\|\s+([0-9]+)" );
  if( ! setting[1] ){
    compliant = "incomplete";
    comment = "Can not determine setting.";
  }else{
    compliant = policy_setting_in_range( value:setting[1], min:"1", max:"60" );
  }
}

policy_reporting( result:value, default:default, compliant:compliant, fixtext:solution,
  type:test_type, test:cmd, info:comment );

policy_set_kbs( type:test_type, cmd:cmd, default:default, solution:solution, title:title,
  value:value, compliant:compliant );

exit( 0 );