1 files changed, 83 insertions, 0 deletions
diff --git a/Swiften/Network/NATPMPNATTraversalRemovePortForwardingRequest.cpp b/Swiften/Network/NATPMPNATTraversalRemovePortForwardingRequest.cpp
new file mode 100644
index 0000000..c99ac92
--- /dev/null
+++ b/Swiften/Network/NATPMPNATTraversalRemovePortForwardingRequest.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2011 Tobias Markmann
+ * Licensed under the simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+
+#include "NATPMPNATTraversalRemovePortForwardingRequest.h"
+
+#include <boost/format.hpp>
+
+#include <natpmp.h>
+
+#include <Swiften/Base/foreach.h>
+#include <Swiften/Base/Log.h>
+#include <Swiften/Network/NetworkInterface.h>
+#include <Swiften/Network/PlatformNetworkEnvironment.h>
+
+namespace Swift {
+
+NATPMPNATTraversalRemovePortForwardingRequest::NATPMPNATTraversalRemovePortForwardingRequest(PlatformNATTraversalRemovePortForwardingRequest::PortMapping mapping, PlatformNATTraversalWorker* worker) : PlatformNATTraversalRemovePortForwardingRequest(worker), mapping(mapping) {
+
+}
+
+NATPMPNATTraversalRemovePortForwardingRequest::~NATPMPNATTraversalRemovePortForwardingRequest() {
+
+}
+
+void NATPMPNATTraversalRemovePortForwardingRequest::runBlocking() {
+	boost::optional<bool> result;
+
+	natpmp_t natpmp;
+	natpmpresp_t response;
+	initnatpmp(&natpmp, 0, 0);
+
+	do {
+		if (sendnewportmappingrequest(&natpmp, mapping.protocol == PortMapping::TCP ? NATPMP_PROTOCOL_TCP : NATPMP_PROTOCOL_UDP, 0, 0, mapping.localPort) != 2) {
+			SWIFT_LOG(debug) << "Failed to send NAT-PMP remove forwarding request!" << std::endl;
+			break;
+		}
+		int r = 0;
+
+		do {
+		  fd_set fds;
+		  struct timeval timeout;
+		  FD_ZERO(&fds);
+		  FD_SET(natpmp.s, &fds);
+		  getnatpmprequesttimeout(&natpmp, &timeout);
+		  select(FD_SETSIZE, &fds, NULL, NULL, &timeout);
+		  r = readnatpmpresponseorretry(&natpmp, &response);
+		} while(r == NATPMP_TRYAGAIN);
+
+		if (r == 0) {
+			if (response.pnu.newportmapping.privateport == mapping.localPort &&
+				response.pnu.newportmapping.mappedpublicport == mapping.publicPort) {
+				mapping.leaseInSeconds = response.pnu.newportmapping.lifetime;
+				result = boost::optional<bool>(true);
+			}
+		} else {
+			result = boost::optional<bool>(false);
+			SWIFT_LOG(debug) << "Inavlid NAT-PMP response." << std::endl;
+		}
+	} while(false);
+	closenatpmp(&natpmp);
+
+	onResult(result);
+}
+
+HostAddress NATPMPNATTraversalRemovePortForwardingRequest::getLocalClient() {
+	PlatformNetworkEnvironment env;
+
+	foreach (NetworkInterface::ref iface, env.getNetworkInterfaces()) {
+		if (!iface->isLoopback()) {
+			foreach (HostAddress address, iface->getAddresses()) {
+				if (address.getRawAddress().is_v4()) {
+					return address;
+				}
+			}
+		}
+	}
+	return HostAddress();
+}
+
+}