From 8cbc53074d8ea587d43b8b6dc5421a184f61c907 Mon Sep 17 00:00:00 2001
From: Arvid Norberg <arvid@libtorrent.org>
Date: Wed, 12 Sep 2007 21:08:29 +0000
Subject: [PATCH] upnp fix

---
 src/upnp.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/upnp.cpp b/src/upnp.cpp
index ef052a538..043cf4b94 100644
--- a/src/upnp.cpp
+++ b/src/upnp.cpp
@@ -339,6 +339,8 @@ try
 		{
 			d.mapping[0].need_update = true;
 			d.mapping[0].local_port = m_tcp_local_port;
+			if (d.mapping[0].external_port == 0)
+				d.mapping[0].external_port = d.mapping[0].local_port;
 #ifdef TORRENT_UPNP_LOGGING
 			m_log << time_now_string() << " *** Mapping 0 will be updated" << std::endl;
 #endif
@@ -347,6 +349,8 @@ try
 		{
 			d.mapping[1].need_update = true;
 			d.mapping[1].local_port = m_udp_local_port;
+			if (d.mapping[1].external_port == 0)
+				d.mapping[1].external_port = d.mapping[1].local_port;
 #ifdef TORRENT_UPNP_LOGGING
 			m_log << time_now_string() << " *** Mapping 1 will be updated" << std::endl;
 #endif