ZSQL: Configure User Whitelist

# 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("1.3.6.1.4.1.25623.1.0.150269");
  script_version("2023-07-27T05:05:09+0000");
  script_tag(name:"last_modification", value:"2023-07-27 05:05:09 +0000 (Thu, 27 Jul 2023)");
  script_tag(name:"creation_date", value:"2020-06-17 08:00:52 +0000 (Wed, 17 Jun 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("ZSQL: Configure User Whitelist");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Policy");
  script_dependencies("compliance_tests.nasl", "zsql_dv_hba.nasl");
  script_mandatory_keys("Compliance/Launch");

  script_xref(name:"URL", value:"https://support.huawei.com/enterprise/en/doc/EDOC1100098622");
  script_tag(name:"summary", value:"To prevent account disclosure, you can configure a whitelist to
specify users with high-level permissions and client IP addresses allowed for database connections.");

  exit(0);
}

include("policy_functions.inc");

cmd = "SELECT * FROM DV_HBA;";
title = "Configure User Whitelist";
solution = "Add an HBA entry (TYPE, USER, and ADDRESS) to the zhba.conf file. Run 'ALTER SYSTEM RELOAD HBA CONFIG;'";
test_type = "SQL_Query";
default = "not empty";

if(get_kb_item("Policy/zsql/zsql_dv_hba/ssh/ERROR")){
  compliant = "incomplete";
  value = "error";
  comment = "No SSH connection to host";
}else if(get_kb_item("Policy/zsql/zsql_dv_hba/ERROR")){
  compliant = "incomplete";
  value = "error";
  comment = "Can not read table DV_HBA";
}else if(!value = get_kb_list("Policy/zsql/zsql_dv_hba/types")){
  compliant = "no";
  value = "Empty";
  comment = "Can not find any entry in DV_HBA";
}else{
  compliant = "yes";
  value = "not empty";
}

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);