From 43fad48a4f9a506e077057d67c20f46fabdf5a94 Mon Sep 17 00:00:00 2001
From: Ylian Saint-Hilaire <ysainthilaire@hotmail.com>
Date: Tue, 7 Apr 2020 12:02:29 -0700
Subject: [PATCH] Added syslog support.

---
 meshcentral.js           | 25 +++++++++++++++++++++++++
 sample-config.json       |  2 ++
 views/default.handlebars |  2 +-
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/meshcentral.js b/meshcentral.js
index e946d1af..4977ee21 100644
--- a/meshcentral.js
+++ b/meshcentral.js
@@ -574,6 +574,24 @@ function CreateMeshCentralServer(config, args) {
         //var wincmd = require('node-windows');
         //wincmd.list(function (svc) { console.log(svc); }, true);
 
+        // Setup syslog support
+        if ((require('os').platform() != 'win32') && ((config.settings.syslog != null) || (config.settings.syslogjson != null))) {
+            if (config.settings.syslog === true) { config.settings.syslog = 'meshcentral'; }
+            if (config.settings.syslogjson === true) { config.settings.syslogjson = 'meshcentral-json'; }
+            if (typeof config.settings.syslog == 'string') {
+                obj.syslog = require('modern-syslog');
+                console.log('Starting ' + config.settings.syslog + ' syslog.');
+                obj.syslog.init(config.settings.syslog, obj.syslog.LOG_PID | obj.syslog.LOG_ODELAY, obj.syslog.LOG_LOCAL0);
+                obj.syslog.log(obj.syslog.LOG_INFO, "MeshCentral v" + getCurrentVerion() + " Server Start");
+            }
+            if (typeof config.settings.syslogjson == 'string') {
+                obj.syslogjson = require('modern-syslog');
+                console.log('Starting ' + config.settings.syslogjson + ' JSON syslog.');
+                obj.syslogjson.init(config.settings.syslogjson, obj.syslogjson.LOG_PID | obj.syslogjson.LOG_ODELAY, obj.syslogjson.LOG_LOCAL0);
+                obj.syslogjson.log(obj.syslogjson.LOG_INFO, "MeshCentral v" + getCurrentVerion() + " Server Start");
+            }
+        }
+
         // Check top level configuration for any unreconized values
         if (config) { for (var i in config) { if ((typeof i == 'string') && (i.length > 0) && (i[0] != '_') && (['settings', 'domains', 'configfiles', 'smtp', 'letsencrypt', 'peers'].indexOf(i) == -1)) { addServerWarning('Unrecognized configuration option \"' + i + '\".'); } } }
 
@@ -1475,6 +1493,10 @@ function CreateMeshCentralServer(config, args) {
         // If the database is not setup, exit now.
         if (!obj.db) return;
 
+        // Send event to syslog is needed
+        if (obj.syslog && event.msg) { obj.syslog.log(obj.syslog.LOG_INFO, event.msg); }
+        if (obj.syslogjson) { obj.syslog.log(obj.syslogjson.LOG_INFO, JSON.stringify(event)); }
+
         obj.debug('dispatch', 'DispatchEvent', ids);
         if ((typeof event == 'object') && (!event.nolog)) {
             event.time = new Date();
@@ -2465,6 +2487,9 @@ function mainStart() {
             if (allsspi == false) { modules.push('otplib@10.2.3'); } // Google Authenticator support (v10 supports older NodeJS versions).
         }
 
+        // Syslog support
+        if ((require('os').platform() != 'win32') && (config.settings.syslog || config.settings.syslogjson)) { modules.push('modern-syslog'); }
+
         // Setup heapdump support if needed, useful for memory leak debugging
         // https://www.arbazsiddiqui.me/a-practical-guide-to-memory-leaks-in-nodejs/
         if (config.settings.heapdump === true) { modules.push('heapdump'); }
diff --git a/sample-config.json b/sample-config.json
index d332be09..e58648d7 100644
--- a/sample-config.json
+++ b/sample-config.json
@@ -56,6 +56,8 @@
     "_MpsTlsOffload": true,
     "_No2FactorAuth": true,
     "_Log": "main,web,webrequest,cert",
+    "_syslog": true,
+    "_syslogjson": true,
     "_WebRtConfig": {
       "iceServers": [
         { "urls": "stun:stun.services.mozilla.com" },
diff --git a/views/default.handlebars b/views/default.handlebars
index d9b9389a..37d055d2 100644
--- a/views/default.handlebars
+++ b/views/default.handlebars
@@ -9115,7 +9115,7 @@
                     h = '<div class=filelist file=999><input file=999 style=float:left name=fc class=fcb type=checkbox onchange=p5setActions() value="' + name + '">&nbsp;<span style=float:right title=\"' + title + '\">' + right + '</span><span><div class=fileIcon' + f.t + ' onclick=p5folderset(\"' + encodeURIComponent(f.nx) + '\")></div><a href=# style=cursor:pointer onclick=\'return p5folderset(\"' + encodeURIComponent(f.nx) + '\")\'>' + shortname + '</a></span></div>';
                 } else {
                     var link = shortname, publiclink = '';
-                    if (publicfolder) { publiclink = '<img src="images/link2.png" style=cursor:pointer title="' + "Display public link" + '" onclick=\'return p5showPublicLink("' + (publicPath + '/' + encodeURIComponent(f.nx)) + '")\' width=10 height=10 /> <img src="images/link4.png" title="' + "Copy link to clipboard" + '" style="cursor:pointer" onclick=copyTextToClip2(\"' + encodeURIComponent(publicPath + '/' + encodeURIComponent(f.nx)) + '\") width=10 height=10>'; }
+                    if (publicfolder) { publiclink = '<img src="images/link2.png" style=cursor:pointer title="' + "Display public link" + '" onclick=\'return p5showPublicLink("' + (publicPath + '/' + encodeURIComponent(f.nx)) + '?download=1' + '")\' width=10 height=10 /> <img src="images/link4.png" title="' + "Copy link to clipboard" + '" style="cursor:pointer" onclick=copyTextToClip2(\"' + encodeURIComponent(publicPath + '/' + encodeURIComponent(f.nx) + '?download=1') + '\") width=10 height=10>'; }
                     if (f.s > 0) { link = publiclink + ' <a rel="noreferrer noopener" target="_blank" download href="downloadfile.ashx?link=' + encodeURIComponent(filetreelinkpath + '/' + f.nx) + '">' + shortname + '</a>'; }
                     h = '<div class=filelist file=3><input file=3 style=float:left name=fc class=fcb type=checkbox onchange=p5setActions() value="' + f.nx + '">&nbsp;<span class=fsize>' + fdatestr + '</span><span style=float:right>' + fsize + '</span><span><div class=fileIcon' + f.t + '></div>' + link + '</span></div>';
                 }