services: shrink stop further and start fixing openvpn

(cherry picked from commit 3600c6a3)

src/etc/inc/services.inc

@@ -2682,7 +2682,7 @@ function services_get()
                     $pconfig['id'] = $id;
                     $pconfig['vpnid'] = $setting['vpnid'];
                     $pconfig['description'] = gettext("OpenVPN") . " ".$mode.": ".htmlspecialchars($setting['description']);
-                    $pconfig['pidfile'] = "/var/run/openvpn_{$mode}{$settings['vpnid']}.pid";
+                    $pconfig['pidfile'] = "/var/run/openvpn_{$mode}{$setting['vpnid']}.pid";
                     $services[] = $pconfig;
                 }
             }
@@ -2757,18 +2757,7 @@ function services_get()
     return $services;
 }
 
-function find_service_by_openvpn_vpnid($vpnid)
-{
-    $services = services_get();
-    foreach ($services as $service) {
-        if (($service["name"] == "openvpn") && isset($service["vpnid"]) && ($service["vpnid"] == $vpnid)) {
-            return $service;
-        }
-    }
-    return array();
-}
-
-function find_service_by_name($names)
+function find_service_by_name($names, $filter = array())
 {
     if (!is_array($names)) {
         $names = array($names);
@@ -2778,8 +2767,22 @@ function find_service_by_name($names)
 
     foreach ($services as $service) {
         foreach ($names as $name) {
-            if ($service['name'] == $name) {
-                return $service;
+            if ($service['name'] != $name) {
+                continue;
+            }
+            if (!count($filter)) {
+                /* force match if filter wasn't set (standard behaviour) */
+                $filter['name'] = $name;
+            }
+            foreach ($filter as $key => $value) {
+                if (isset($service[$key]) && $service[$key] == $value) {
+                    /*
+                     * First match wins, $names is only used
+                     * to probe similar services that exclude
+                     * each other.
+                     */
+                    return $service;
+                }
             }
         }
     }

src/www/fbegin.inc

@@ -183,15 +183,7 @@ if($need_alert_display == true) {
           <li class="btn-group-container">
             <?php
             if (isset($service_hook)) {
-              $ssvc = array();
-              switch ($service_hook) {
-                case 'openvpn':
-                  $ssvc = find_service_by_openvpn_vpnid($vpnid);
-                  break;
-                default:
-                  $ssvc = find_service_by_name($service_hook);
-                  break;
-              }
+              $ssvc = find_service_by_name($service_hook);
               if (!empty($ssvc)) {
                 echo get_service_status_icon($ssvc, false);
                 echo get_service_control_links($ssvc, false);

src/www/status_openvpn.php

@@ -175,7 +175,7 @@ $( document ).ready(function() {
                 endforeach; ?>
                 <tr>
                   <td colspan="2">
-                    <?php $ssvc = find_service_by_openvpn_vpnid($server['vpnid']); ?>
+                    <?php $ssvc = find_service_by_name('openvpn', array('vpnid' => $server['vpnid'])); ?>
                     <?= get_service_status_icon($ssvc, true, true); ?>
                     <?= get_service_control_links($ssvc, true); ?>
                   </td>
@@ -254,7 +254,7 @@ $( document ).ready(function() {
                   <td><?=$sk_server['status'];?></td>
                   <td>
                     <div>
-                      <?php $ssvc = find_service_by_openvpn_vpnid($sk_server['vpnid']); ?>
+                      <?php $ssvc = find_service_by_name('openvpn', array('vpnid' => $sk_server['vpnid'])); ?>
                       <?= get_service_status_icon($ssvc, false, true); ?>
                       <?= get_service_control_links($ssvc, true); ?>
                     </div>
@@ -294,7 +294,7 @@ $( document ).ready(function() {
                   <td><?=$client['status'];?></td>
                   <td>
                     <div>
-                      <?php $ssvc = find_service_by_openvpn_vpnid($client['vpnid']); ?>
+                      <?php $ssvc = find_service_by_name('openvpn', array('vpnid' => $client['vpnid'])); ?>
                       <?= get_service_status_icon($ssvc, false, true); ?>
                       <?= get_service_control_links($ssvc, true); ?>
                     </div>

src/www/status_services.php

@@ -118,29 +118,19 @@ function service_control_stop($name, $extras)
 {
     $msg = sprintf(gettext("%s has been stopped."), htmlspecialchars($name));
 
-    switch ($name) {
-        case 'igmpproxy':
-            killbyname("igmpproxy");
-            return $msg;
-        case 'miniupnpd':
-            upnp_action('stop');
-            return $msg;
-        case 'sshd':
-            killbyname("sshd");
-            return $msg;
-        case 'openvpn':
-            $vpnmode = htmlspecialchars($extras['vpnmode']);
-            if (($vpnmode == "server") or ($vpnmode == "client")) {
-                $id = htmlspecialchars($extras['id']);
-                $pidfile = "/var/run/openvpn_{$vpnmode}{$id}.pid";
-                killbypid($pidfile);
-            }
-            return $msg;
-        case 'relayd':
-            killbyname('relayd');
-            return $msg;
-        default:
-            break;
+    /* XXX openvpn is handled special at the moment */
+    if ($name == 'openvpn') {
+        $vpnmode = htmlspecialchars($extras['vpnmode']);
+        if (($vpnmode == "server") or ($vpnmode == "client")) {
+            $id = htmlspecialchars($extras['id']);
+            $pidfile = "/var/run/openvpn_{$vpnmode}{$id}.pid";
+            killbypid($pidfile);
+        }
+        return $msg;
+    /* XXX extra argument is extra tricky */
+    } elseif ($name == 'miniupnpd') {
+        upnp_action('stop');
+        return $msg;
     }
 
     $service = find_service_by_name($name);
@@ -163,7 +153,8 @@ function service_control_stop($name, $extras)
     } elseif (isset($service['pidfile'])) {
         killbypid($service['pidfile']);
     } else {
-        $msg = sprintf(gettext("Could not stop service `%s'"), htmlspecialchars($name));
+        /* last resort, but not very elegant */
+        killbyname($service['name']);
     }
 
     return $msg;