firewall: show warning banner if firewall disabled

If firewall is globally disabled, show a warning banner in all relevant
firewall configuration and diagnostic screens (filter and NAT).

src/www/diag_logs_filter.php

@@ -606,6 +606,10 @@ include("head.inc");
 		<div class="container-fluid">
 			<div class="row">
 
+                                <?php if (isset($config['system']['disablefilter'])): ?>
+                                <?php print_warning_box(gettext("The firewall has globally been disabled. Configured rules are currently not enforced."));?>
+                                <?php endif; ?>
+
 				<?php if (isset($input_errors) && count($input_errors) > 0) print_input_errors($input_errors); ?>
 
 			    <section class="col-xs-12">

src/www/diag_logs_filter_dynamic.php

@@ -87,6 +87,10 @@ include("head.inc");
 		<div class="container-fluid">
 			<div class="row">
 
+                                <?php if (isset($config['system']['disablefilter'])): ?>
+                                <?php print_warning_box(gettext("The firewall has globally been disabled. Configured rules are currently not enforced."));?>
+                                <?php endif; ?>
+
 				<?php if (isset($input_errors) && count($input_errors) > 0) print_input_errors($input_errors); ?>
 
 			    <section class="col-xs-12">

src/www/diag_logs_filter_plain.php

@@ -63,6 +63,10 @@ include("head.inc");
 		<div class="container-fluid">
 			<div class="row">
 
+                                <?php if (isset($config['system']['disablefilter'])): ?>
+                                <?php print_warning_box(gettext("The firewall has globally been disabled. Configured rules are currently not enforced."));?>
+                                <?php endif; ?>
+
 				<?php if (isset($input_errors) && count($input_errors) > 0) print_input_errors($input_errors); ?>
 
 			     <section class="col-xs-12">

src/www/diag_logs_filter_summary.php

@@ -114,6 +114,9 @@ include("head.inc"); ?>
 	<section class="page-content-main">
 		<div class="container-fluid">
 			<div class="row">
+                                <?php if (isset($config['system']['disablefilter'])): ?>
+                                <?php print_warning_box(gettext("The firewall has globally been disabled. Configured rules are currently not enforced."));?>
+                                <?php endif; ?>
 				<?php if (isset($input_errors) && count($input_errors) > 0) print_input_errors($input_errors); ?>
 			    <section class="col-xs-12">
 						<div class="tab-content content-box col-xs-12">

src/www/firewall_nat.php

@@ -225,6 +225,9 @@ $( document ).ready(function() {
   <section class="page-content-main">
     <div class="container-fluid">
       <div class="row">
+        <?php if (isset($config['system']['disablefilter'])): ?>
+        <?php print_warning_box(gettext("The firewall has globally been disabled. Configured rules are currently not enforced."));?>
+        <?php endif; ?>
 <?php   if (isset($savemsg)) print_info_box($savemsg); ?>
 <?php   if (is_subsystem_dirty('natconf')): ?>
 <?php     print_info_box_apply(gettext("The NAT configuration has been changed") . ".<br />" . gettext("You must apply the changes in order for them to take effect."));?><br />

src/www/firewall_nat_1to1.php

@@ -175,6 +175,9 @@ $main_buttons = array(
   <section class="page-content-main">
     <div class="container-fluid">
       <div class="row">
+        <?php if (isset($config['system']['disablefilter'])): ?>
+        <?php print_warning_box(gettext("The firewall has globally been disabled. Configured rules are currently not enforced."));?>
+        <?php endif; ?>
 <?php
         if (isset($savemsg))
           print_info_box($savemsg);

src/www/firewall_nat_npt.php

@@ -178,6 +178,9 @@ $main_buttons = array(
   <section class="page-content-main">
     <div class="container-fluid">
       <div class="row">
+        <?php if (isset($config['system']['disablefilter'])): ?>
+        <?php print_warning_box(gettext("The firewall has globally been disabled. Configured rules are currently not enforced."));?>
+        <?php endif; ?>
         <?php if (isset($savemsg)) print_info_box($savemsg); ?>
         <?php if (is_subsystem_dirty('natconf')): ?>
         <?php print_info_box_apply(gettext("The NAT configuration has been changed") . ".<br />" . gettext("You must apply the changes in order for them to take effect."));?><br />

src/www/firewall_nat_out.php

@@ -246,6 +246,9 @@ include("head.inc");
   <section class="page-content-main">
     <div class="container-fluid">
       <div class="row">
+        <?php if (isset($config['system']['disablefilter'])): ?>
+        <?php print_warning_box(gettext("The firewall has globally been disabled. Configured rules are currently not enforced."));?>
+        <?php endif; ?>
 <?php
         if (isset($savemsg))
             print_info_box($savemsg);

src/www/firewall_rules.php

@@ -200,6 +200,9 @@ $( document ).ready(function() {
   <section class="page-content-main">
     <div class="container-fluid">
       <div class="row">
+        <?php if (isset($config['system']['disablefilter'])): ?>
+        <?php print_warning_box(gettext("The firewall has globally been disabled. Configured rules are currently not enforced."));?>
+        <?php endif; ?>
         <?php if (isset($savemsg)) print_info_box($savemsg); ?>
         <?php if (is_subsystem_dirty('filter')): ?><p>
         <?php print_info_box_apply(gettext("The firewall rule configuration has been changed.<br />You must apply the changes in order for them to take effect."));?>

src/www/guiconfig.inc

@@ -237,6 +237,17 @@ function print_info_box($msg)
 EOFnp;
 }
 
+function print_warning_box($msg)
+{
+	echo <<<EOFnp
+<div class="col-xs-12">
+	<div class="alert alert-warning alert-dismissible" role="alert">
+		<p>{$msg}</p>
+	</div>
+</div>
+EOFnp;
+}
+
 function get_std_save_message() {
 	global $d_sysrebootreqd_path;
 	$filter_related = false;