From f6011ade8367de6b9b890d22688794193ecd8b3b Mon Sep 17 00:00:00 2001
From: AJ ONeal <coolaj86@gmail.com>
Date: Sat, 26 May 2018 21:21:03 +0000
Subject: [PATCH] still playing peekaboo...

---
 lib/unwrap-tls.js | 39 ++++++++++++++++++++++++---------------
 1 file changed, 24 insertions(+), 15 deletions(-)

diff --git a/lib/unwrap-tls.js b/lib/unwrap-tls.js
index 02312eb..72b7a5a 100644
--- a/lib/unwrap-tls.js
+++ b/lib/unwrap-tls.js
@@ -63,6 +63,9 @@ module.exports.createTcpConnectionHandler = function (copts) {
 
     //return;
     conn.once('data', function (firstChunk) {
+      conn.pause();
+      conn.unshift(firstChunk);
+
       // BUG XXX: this assumes that the packet won't be chunked smaller
       // than the 'hello' or the point of the 'Host' header.
       // This is fairly reasonable, but there are edge cases where
@@ -70,10 +73,14 @@ module.exports.createTcpConnectionHandler = function (copts) {
       // and so it should be fixed at some point in the future
 
       // defer after return (instead of being in many places)
-      process.nextTick(function () {
-        conn.unshift(firstChunk);
-        conn.resume();
-      });
+      function deferData(fn) {
+        if (fn) {
+          copts[fn](servername, conn)
+        }
+        process.nextTick(function () {
+          conn.resume();
+        });
+      }
 
       var service = 'tcp';
       var servername;
@@ -87,13 +94,13 @@ module.exports.createTcpConnectionHandler = function (copts) {
 
         if (!copts.servernames.length) {
           console.log("https => admin => setup => (needs bogus tls certs to start?)");
-          copts.httpsSetupServer(servername, conn);
+          deferData('httpsSetupServer');
           return;
         }
 
         if (-1 !== copts.servernames.indexOf(servername)) {
           console.log("Lock and load, admin interface time!");
-          copts.httpsTunnel(servername, conn);
+          deferData('httpsTunnel');
           return;
         }
 
@@ -104,18 +111,19 @@ module.exports.createTcpConnectionHandler = function (copts) {
         function run() {
           if (!servername) {
             console.log("No SNI was given, so there's nothing we can do here");
-            copts.httpsInvalid(servername, conn);
+            deferData('httpsInvalid');
             return;
           }
 
           var nextDevice = Devices.next(copts.deviceLists, servername);
           if (!nextDevice) {
             console.log("No devices match the given servername");
-            copts.httpsInvalid(servername, conn);
+            deferData('httpsInvalid');
             return;
           }
 
           console.log("pipeWs(servername, service, socket, deviceLists['" + servername + "'])");
+          deferData();
           pipeWs(servername, service, conn, nextDevice);
         }
 
@@ -123,13 +131,12 @@ module.exports.createTcpConnectionHandler = function (copts) {
           console.log("VHOST path", copts.config.vhost);
           vhost = copts.config.vhost.replace(/:hostname/, (servername||''));
           console.log("VHOST name", vhost);
-          conn.pause();
           //copts.httpsVhost(servername, conn); 
           //return;
           require('fs').readdir(vhost, function (err, nodes) {
             console.log("VHOST error?", err);
             if (err) { run(); return; } 
-            if (nodes) { copts.httpsVhost(servername, conn); }
+            if (nodes) { deferData('httpsVhost'); }
           });
           return;
         }
@@ -156,6 +163,7 @@ module.exports.createTcpConnectionHandler = function (copts) {
         if (/HTTP\//i.test(str)) {
           if (!copts.servernames.length) {
             console.log('copts.httpSetupServer', copts.httpSetupServer);
+            deferData();
             copts.httpSetupServer.emit('connection', conn);
             return;
           }
@@ -166,15 +174,16 @@ module.exports.createTcpConnectionHandler = function (copts) {
           if (/well-known/.test(str)) {
             // HTTP
             if (Devices.exist(copts.deviceLists, servername)) {
+              deferData();
               pipeWs(servername, service, conn, Devices.next(copts.deviceLists, servername));
               return;
             }
-            copts.handleHttp(servername, conn);
-          }
-          else {
-            // redirect to https
-            copts.handleInsecureHttp(servername, conn);
+            deferData('handleHttp');
+            return;
           }
+
+          // redirect to https
+          deferData('handleInsecureHttp');
           return;
         }
       }