made sock5 enable-able from the config

README.md

@@ -398,6 +398,16 @@ npm install -g git+https://git.daplie.com/Daplie/mdig.git
 mdig _cloud._tcp.local
 ```
 
+### socks5
+
+Run a Socks5 proxy server.
+
+```yaml
+socks5:
+  enable: true
+  port: 1080
+```
+
 ### api
 
 See [API.md](/API.md)

lib/socks5-server.js

@@ -1,6 +1,6 @@
 'use strict';
 
-module.exports.create = function () {
+module.exports.create = function (deps, config) {
   var PromiseA = require('bluebird');
   var server;
 
@@ -15,7 +15,7 @@ module.exports.create = function () {
     });
   }
 
-  function start() {
+  function start(port) {
     if (server) {
       return curState();
     }
@@ -35,14 +35,14 @@ module.exports.create = function () {
 
     return new PromiseA(function (resolve, reject) {
       server.on('error', function (err) {
-        if (err.code === 'EADDRINUSE') {
+        if (!port && err.code === 'EADDRINUSE') {
           server.listen(0);
         } else {
           server = null;
           reject(err);
         }
       });
-      server.listen(1080, function () {
+      server.listen(port || 1080, function () {
         resolve(curState());
       });
     });
@@ -63,6 +63,12 @@ module.exports.create = function () {
     });
   }
 
+  if (config.socks5 && config.socks5.enabled) {
+    start(config.socks5.port).catch(function (err) {
+      console.error('failed to start Socks5 proxy', err);
+    });
+  }
+
   return {
     curState: curState
   , start: start