From 7286173438e2bfc736cf359008964eeb66a4981a Mon Sep 17 00:00:00 2001
From: billz <billzimmerman@gmail.com>
Date: Sat, 5 Sep 2020 19:27:38 +0100
Subject: [PATCH] Add rudimentary logging

---
 includes/wireguard.php    |  6 ++++++
 installers/raspap.sudoers |  3 +++
 templates/wg/logging.php  | 14 +++++++++++---
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/includes/wireguard.php b/includes/wireguard.php
index 26badcd0..84956b89 100644
--- a/includes/wireguard.php
+++ b/includes/wireguard.php
@@ -69,6 +69,11 @@ function DisplayWireGuardConfig()
 
                 file_put_contents("/tmp/wgdata", $config);
                 system('sudo cp /tmp/wgdata '.RASPI_WIREGUARD_CONFIG, $return);
+                
+                // handle log option
+                if ($_POST['wg_log'] == "1") {
+                    exec("sudo /bin/systemctl status wg-quick@wg0 | sudo tee /tmp/wireguard.log > /dev/null");
+                }
                 foreach ($return as $line) {
                     $status->addMessage($line, 'info');
                 }
@@ -115,6 +120,7 @@ function DisplayWireGuardConfig()
             "status",
             "wg_state",
             "serviceStatus",
+            "wg_log",
             "endpoint_enable",
             "peer_id",
             "wg_port",
diff --git a/installers/raspap.sudoers b/installers/raspap.sudoers
index 517b6233..4c813d0e 100644
--- a/installers/raspap.sudoers
+++ b/installers/raspap.sudoers
@@ -35,9 +35,12 @@ www-data ALL=(ALL) NOPASSWD:/etc/raspap/lighttpd/configport.sh
 www-data ALL=(ALL) NOPASSWD:/etc/raspap/openvpn/configauth.sh
 www-data ALL=(ALL) NOPASSWD:/bin/chmod o+r /tmp/hostapd.log
 www-data ALL=(ALL) NOPASSWD:/bin/chmod o+r /tmp/dnsmasq.log
+www-data ALL=(ALL) NOPASSWD:/bin/chmod o+r /tmp/wireguard.log
 www-data ALL=(ALL) NOPASSWD:/bin/cp /tmp/dnsmasqdata /etc/dnsmasq.d/090_adblock.conf
 www-data ALL=(ALL) NOPASSWD:/bin/cp /tmp/wgdata /etc/wireguard/wg0.conf
 www-data ALL=(ALL) NOPASSWD:/etc/raspap/adblock/update_blocklist.sh
+www-data ALL=(ALL) NOPASSWD:/usr/bin/tee /tmp/wireguard.log
+www-data ALL=(ALL) NOPASSWD:/bin/systemctl status wg-quick@wg0
 www-data ALL=(ALL) NOPASSWD:/usr/bin/wg-quick up wg0
 www-data ALL=(ALL) NOPASSWD:/usr/bin/wg-quick down wg0
 www-data ALL=(ALL) NOPASSWD:/usr/bin/wg
diff --git a/templates/wg/logging.php b/templates/wg/logging.php
index eb31dd10..c9cb4185 100644
--- a/templates/wg/logging.php
+++ b/templates/wg/logging.php
@@ -1,10 +1,18 @@
 <!-- wireguard logging tab -->
 <div class="tab-pane fade" id="wglogging">
   <div class="row">
-    <div class="col-md-6">
+    <div class="col-md-12">
       <h4 class="mt-3"><?php echo _("Logging"); ?></h4>
-
-
+          <div class="custom-control custom-switch">
+            <input class="custom-control-input" id="wg_log" type="checkbox" name="wg_log" value="1" <?php echo $wg_log ? ' checked="checked"' : "" ?> aria-describedby="wg_log">
+            <label class="custom-control-label" for="wg_log"><?php echo _("Display WireGuard status") ?></label>
+          </div>
+          <p><small><?php echo _("Enable this option to display an updated WireGuard status.") ?></small></p>
+          <?php
+              exec('sudo chmod o+r /tmp/wireguard.log');
+              $log = file_get_contents('/tmp/wireguard.log');
+              echo '<textarea class="logoutput my-3">'.htmlspecialchars($log, ENT_QUOTES).'</textarea>';
+          ?>
     </div>
   </div><!-- /.row -->
 </div><!-- /.tab-pane | logging tab -->