From fe6d5b1402307e1be80e6d78b765cf5175288c1f Mon Sep 17 00:00:00 2001
From: Adam Ierymenko <adam.ierymenko@gmail.com>
Date: Tue, 28 Jul 2015 14:32:02 -0700
Subject: UPNP/NAT-PMP support with libminiupnpc (if built with it) -- GitHub
 issue #64

---
 service/OneService.cpp | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

(limited to 'service')

diff --git a/service/OneService.cpp b/service/OneService.cpp
index b83cd83f..05fdfb90 100644
--- a/service/OneService.cpp
+++ b/service/OneService.cpp
@@ -54,6 +54,7 @@
 #include "../osdep/OSUtils.hpp"
 #include "../osdep/Http.hpp"
 #include "../osdep/BackgroundResolver.hpp"
+#include "../osdep/UPNPClient.hpp"
 
 #include "OneService.hpp"
 #include "ControlPlane.hpp"
@@ -415,6 +416,9 @@ public:
 		_tcpFallbackTunnel((TcpConnection *)0),
 		_termReason(ONE_STILL_RUNNING),
 		_port(port),
+#ifdef ZT_USE_MINIUPNPC
+		_upnpClient((int)port),
+#endif
 		_run(true)
 	{
 		struct sockaddr_in in4;
@@ -511,7 +515,7 @@ public:
 			_lastRestart = clockShouldBe;
 			uint64_t lastTapMulticastGroupCheck = 0;
 			uint64_t lastTcpFallbackResolve = 0;
-			uint64_t lastLocalInterfaceAddressCheck = 0;
+			uint64_t lastLocalInterfaceAddressCheck = (OSUtils::now() - ZT1_LOCAL_INTERFACE_CHECK_INTERVAL) + 15000; // do this in 15s to give UPnP time to configure and other things time to settle
 #ifdef ZT_AUTO_UPDATE
 			uint64_t lastSoftwareUpdateCheck = 0;
 #endif // ZT_AUTO_UPDATE
@@ -576,9 +580,18 @@ public:
 							ztDevices.push_back(t->second->deviceName());
 					}
 
+					_node->clearLocalInterfaceAddresses();
+
+#ifdef ZT_USE_MINIUPNPC
+					std::vector<InetAddress> upnpAddresses(_upnpClient.get());
+					for(std::vector<InetAddress>::const_iterator ext(upnpAddresses.begin());ext!=upnpAddresses.end();++ext) {
+						printf("Adding UPNP address: %s\n",ext->toString().c_str());
+						_node->addLocalInterfaceAddress(reinterpret_cast<const struct sockaddr_storage *>(&(*ext)),0,ZT1_LOCAL_INTERFACE_ADDRESS_TRUST_NORMAL);
+					}
+#endif
+
 					struct ifaddrs *ifatbl = (struct ifaddrs *)0;
 					if ((getifaddrs(&ifatbl) == 0)&&(ifatbl)) {
-						_node->clearLocalInterfaceAddresses();
 						struct ifaddrs *ifa = ifatbl;
 						while (ifa) {
 							if ((ifa->ifa_name)&&(ifa->ifa_addr)) {
@@ -1242,6 +1255,10 @@ private:
 
 	unsigned int _port;
 
+#ifdef ZT_USE_MINIUPNPC
+	UPNPClient _upnpClient;
+#endif
+
 	bool _run;
 	Mutex _run_m;
 };
-- 
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