external/MeshCentral
1
0
Fork 0
mirror of https://github.com/Ylianst/MeshCentral.git synced 2025-03-09 15:40:18 +00:00
Code Issues Releases Wiki Activity

Completed first pass with JsHint, updated windows MeshAgent.

Browse source
This commit is contained in:
Ylian Saint-Hilaire 2018-08-30 12:05:23 -07:00
parent d48f24911a
commit 562310bed1
18 changed files with 664 additions and 435 deletions
Download patch file Download diff file Expand all files Collapse all files

71
meshscanner.js
View file

@ -6,7 +6,12 @@
* @version v0.0.1
*/
'use strict';
/*jslint node: true */
/*jshint node: true */
/*jshint strict:false */
/*jshint -W097 */
/*jshint esversion: 6 */
"use strict";
// Construct a Mesh Scanner object
// TODO: We need once "server4" and "server6" per interface, or change the default multicast interface as we send.
@ -26,9 +31,10 @@ module.exports.CreateMeshScanner = function (parent) {
// Get a list of IPv4 and IPv6 interface addresses
function getInterfaceList() {
var i;
var ipv4 = ['*'], ipv6 = ['*']; // Bind to IN_ADDR_ANY always
var interfaces = require('os').networkInterfaces();
for (var i in interfaces) {
for (i in interfaces) {
var xinterface = interfaces[i];
for (var j in xinterface) {
var interface2 = xinterface[j];
@ -43,11 +49,11 @@ module.exports.CreateMeshScanner = function (parent) {
// Setup all IPv4 and IPv6 servers
function setupServers() {
var addresses = getInterfaceList();
for (var i in obj.servers4) { obj.servers4[i].xxclear = true; }
for (var i in obj.servers6) { obj.servers6[i].xxclear = true; }
for (var i in addresses.ipv4) {
var localAddress = addresses.ipv4[i];
var addresses = getInterfaceList(), i, localAddress, bindOptions;
for (i in obj.servers4) { obj.servers4[i].xxclear = true; }
for (i in obj.servers6) { obj.servers6[i].xxclear = true; }
for (i in addresses.ipv4) {
localAddress = addresses.ipv4[i];
if (obj.servers4[localAddress] != null) {
// Server already exists
obj.servers4[localAddress].xxclear = false;
@ -59,7 +65,7 @@ module.exports.CreateMeshScanner = function (parent) {
server4.xxtype = 4;
server4.xxlocal = localAddress;
server4.on('error', function (err) { if (this.xxlocal == '*') { console.log("ERROR: Server port 16989 not available, check if server is running twice."); } this.close(); delete obj.servers6[this.xxlocal]; });
var bindOptions = { port: 16989, exclusive: true };
bindOptions = { port: 16989, exclusive: true };
if (server4.xxlocal != '*') { bindOptions.address = server4.xxlocal; }
server4.bind(bindOptions, function () {
try {
@ -77,8 +83,8 @@ module.exports.CreateMeshScanner = function (parent) {
}
}
for (var i in addresses.ipv6) {
var localAddress = addresses.ipv6[i];
for (i in addresses.ipv6) {
localAddress = addresses.ipv6[i];
if (obj.servers6[localAddress] != null) {
// Server already exists
obj.servers6[localAddress].xxclear = false;
@ -90,7 +96,7 @@ module.exports.CreateMeshScanner = function (parent) {
server6.xxtype = 6;
server6.xxlocal = localAddress;
server6.on('error', function (err) { this.close(); delete obj.servers6[this.xxlocal]; });
var bindOptions = { port: 16989, exclusive: true };
bindOptions = { port: 16989, exclusive: true };
if (server6.xxlocal != '*') { bindOptions.address = server6.xxlocal; }
server6.bind(bindOptions, function () {
try {
@ -108,14 +114,15 @@ module.exports.CreateMeshScanner = function (parent) {
}
}
for (var i in obj.servers4) { if (obj.servers4[i].xxclear == true) { obj.servers4[i].close(); delete obj.servers4[i]; }; }
for (var i in obj.servers6) { if (obj.servers6[i].xxclear == true) { obj.servers6[i].close(); delete obj.servers6[i]; }; }
for (i in obj.servers4) { if (obj.servers4[i].xxclear == true) { obj.servers4[i].close(); delete obj.servers4[i]; } }
for (i in obj.servers6) { if (obj.servers6[i].xxclear == true) { obj.servers6[i].close(); delete obj.servers6[i]; } }
}
// Clear all IPv4 and IPv6 servers
function clearServers() {
for (var i in obj.servers4) { obj.servers4[i].close(); delete obj.servers4[i]; }
for (var i in obj.servers6) { obj.servers6[i].close(); delete obj.servers6[i]; }
var i;
for (i in obj.servers4) { obj.servers4[i].close(); delete obj.servers4[i]; }
for (i in obj.servers6) { obj.servers6[i].close(); delete obj.servers6[i]; }
}
// Start scanning for local network Mesh Agents
@ -128,27 +135,28 @@ module.exports.CreateMeshScanner = function (parent) {
setupServers();
obj.mainTimer = setInterval(obj.performScan, periodicScanTime);
return obj;
}
};
// Stop scanning for local network Mesh Agents
obj.stop = function () {
if (obj.mainTimer != null) { clearInterval(obj.mainTimer); obj.mainTimer = null; }
clearServers();
}
};
// Look for all Mesh Agents that may be locally reachable, indicating the presense of this server.
obj.performScan = function (server) {
var i;
if (server != null) {
if (server.xxtype == 4) { try { server.send(obj.multicastPacket4, 0, obj.multicastPacket4.length, 16990, membershipIPv4); } catch (e) { } }
if (server.xxtype == 6) { try { server.send(obj.multicastPacket6, 0, obj.multicastPacket6.length, 16990, membershipIPv6); } catch (e) { } }
if ((server.xxtype == 4) && (server.xxlocal == '*')) { try { server.send(obj.multicastPacket4, 0, obj.multicastPacket4.length, 16990, '127.0.0.1'); } catch (e) { } try { server.send(obj.multicastPacket4, 0, obj.multicastPacket4.length, 16990, '255.255.255.255'); } catch (e) { } }
if ((server.xxtype == 6) && (server.xxlocal == '*')) { try { server.send(obj.multicastPacket6, 0, obj.multicastPacket6.length, 16990, '::1'); } catch (e) { } }
} else {
for (var i in obj.servers4) { try { obj.servers4[i].send(obj.multicastPacket4, 0, obj.multicastPacket4.length, 16990, membershipIPv4); } catch (e) { } }
for (var i in obj.servers6) { try { obj.servers6[i].send(obj.multicastPacket6, 0, obj.multicastPacket6.length, 16990, membershipIPv6); } catch (e) { } }
for (i in obj.servers4) { try { obj.servers4[i].send(obj.multicastPacket4, 0, obj.multicastPacket4.length, 16990, membershipIPv4); } catch (e) { } }
for (i in obj.servers6) { try { obj.servers6[i].send(obj.multicastPacket6, 0, obj.multicastPacket6.length, 16990, membershipIPv6); } catch (e) { } }
setupServers(); // Check if any network interfaces where added or removed
}
}
};
// Called when a UDP packet is received from an agent.
function onUdpPacket(msg, info, server) {
@ -161,26 +169,27 @@ module.exports.CreateMeshScanner = function (parent) {
// As a side job, we also send server wake-on-lan packets
obj.wakeOnLan = function (macs) {
for (var i in macs) {
var i, j;
for (i in macs) {
var mac = macs[i];
var hexpacket = 'FFFFFFFFFFFF';
for (var i = 0; i < 16; i++) { hexpacket += mac; }
for (j = 0; j < 16; j++) { hexpacket += mac; }
var wakepacket = Buffer.from(hexpacket, 'hex');
//console.log(wakepacket.toString('hex'));
// Send the wake packet 3 times with small time intervals
for (var i in obj.servers4) { obj.servers4[i].send(wakepacket, 0, wakepacket.length, 7, "255.255.255.255"); obj.servers4[i].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv4); }
for (var i in obj.servers6) { obj.servers6[i].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv6); }
for (j in obj.servers4) { obj.servers4[j].send(wakepacket, 0, wakepacket.length, 7, "255.255.255.255"); obj.servers4[j].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv4); }
for (j in obj.servers6) { obj.servers6[j].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv6); }
setTimeout(function () {
for (var i in obj.servers4) { obj.servers4[i].send(wakepacket, 0, wakepacket.length, 7, "255.255.255.255"); obj.servers4[i].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv4); }
for (var i in obj.servers6) { obj.servers6[i].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv6); }
for (j in obj.servers4) { obj.servers4[j].send(wakepacket, 0, wakepacket.length, 7, "255.255.255.255"); obj.servers4[j].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv4); }
for (j in obj.servers6) { obj.servers6[j].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv6); }
}, 200);
setTimeout(function () {
for (var i in obj.servers4) { obj.servers4[i].send(wakepacket, 0, wakepacket.length, 7, "255.255.255.255"); obj.servers4[i].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv4); }
for (var i in obj.servers6) { obj.servers6[i].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv6); }
for (j in obj.servers4) { obj.servers4[j].send(wakepacket, 0, wakepacket.length, 7, "255.255.255.255"); obj.servers4[j].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv4); }
for (j in obj.servers6) { obj.servers6[j].send(wakepacket, 0, wakepacket.length, 16990, membershipIPv6); }
}, 500);
}
}
};
return obj;
}
};