From b9950a18f8f289837545a5152c2fd423717c0b48 Mon Sep 17 00:00:00 2001
From: Ramin <44315995+pkka@users.noreply.github.com>
Date: Wed, 5 Dec 2018 23:34:20 +0330
Subject: [PATCH 1/3] Update README.md (#229)

fix typo: standard
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index e3c131c..67ca9db 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ Add `dd` prefix to secret (`cafe...babe` => `ddcafe...babe`) to enable
 this mode on client side.
 
 ## Systemd example configuration
-1. Create systemd service file (it's standart path for the most Linux distros, but you should check it before):
+1. Create systemd service file (it's standard path for the most Linux distros, but you should check it before):
 ```bash
 nano /etc/systemd/system/MTProxy.service
 ```

From 28f5b17eef2f50d768c4f010f8a4fc149254550a Mon Sep 17 00:00:00 2001
From: vvaltman <vvaltman@localhost>
Date: Fri, 25 Jan 2019 12:24:00 +0400
Subject: [PATCH 2/3] mtproto: by default do not open stats port

---
 mtproto/mtproto-proxy.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/mtproto/mtproto-proxy.c b/mtproto/mtproto-proxy.c
index 9eef02b..718c6b2 100644
--- a/mtproto/mtproto-proxy.c
+++ b/mtproto/mtproto-proxy.c
@@ -62,6 +62,7 @@
 #include "mtproto-config.h"
 #include "common/tl-parse.h"
 #include "engine/engine.h"
+#include "engine/engine-net.h"
 
 #ifndef COMMIT
 #define COMMIT "unknown"
@@ -2123,6 +2124,7 @@ void usage (void) {
   exit (2);
 }
 
+server_functions_t mtproto_front_functions;
 int f_parse_option (int val) {
   char *colon, *ptr;
   switch (val) {
@@ -2174,6 +2176,10 @@ int f_parse_option (int val) {
       ping_interval = PING_INTERVAL;
     }
     break;
+  case 2000:
+    engine_set_http_fallback (&ct_http_server, &http_methods_stats);
+    mtproto_front_functions.flags &= ~ENGINE_NO_PORT;
+    break;
   case 'S':
   case 'P':
     {
@@ -2216,6 +2222,7 @@ int f_parse_option (int val) {
 }
 
 void mtfront_prepare_parse_options (void) {
+  parse_option ("http-stats", no_argument, 0, 2000, "allow http server to answer on stats queries");
   parse_option ("mtproto-secret", required_argument, 0, 'S', "16-byte secret in hex mode");
   parse_option ("proxy-tag", required_argument, 0, 'P', "16-byte proxy tag in hex mode to be passed along with all forwarded queries");
   parse_option ("max-special-connections", required_argument, 0, 'C', "sets maximal number of accepted client connections per worker");
@@ -2328,7 +2335,8 @@ server_functions_t mtproto_front_functions = {
   .FullVersionStr = FullVersionStr,
   .ShortVersionStr = "mtproxy",
   .parse_function = mtfront_parse_function,
-  .http_functions = &http_methods_stats
+  .flags = ENGINE_NO_PORT
+  //.http_functions = &http_methods_stats
 };
 
 int main (int argc, char *argv[]) {

From 2c942119c4ee340c80922ba11d14fb3b10d5e654 Mon Sep 17 00:00:00 2001
From: vvaltman <vvaltman@localhost>
Date: Fri, 25 Jan 2019 14:41:56 +0400
Subject: [PATCH 3/3] enable stats only on 127.0.0.1

---
 engine/engine-net.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/engine/engine-net.c b/engine/engine-net.c
index eb9e98b..38ddd67 100644
--- a/engine/engine-net.c
+++ b/engine/engine-net.c
@@ -55,11 +55,10 @@ int get_port_mod (void) /* {{{ */ {
 
 int try_open_port (int port, int quit_on_fail) /* {{{ */ {
   engine_t *E = engine_state;
-  int enable_ipv6 = engine_check_ipv6_enabled () ? SM_IPV6 : 0;
   if (engine_check_tcp_enabled ()) {
     struct in_addr l;
     l.s_addr = htonl(0x7f000001);
-    E->sfd = server_socket (port, l, engine_get_backlog (), enable_ipv6);
+    E->sfd = server_socket (port, l, engine_get_backlog (), 0);
     vkprintf (1, "opened tcp socket\n");
     if (E->sfd < 0) {
       if (quit_on_fail) {