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avoid working with NatDevice directly as it is dangerous

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This commit is contained in:
Matthias Mailänder
2015-11-23 21:40:48 +01:00
parent 86a2a54640
commit b75bfec2f8
1 changed files with 10 additions and 10 deletions
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20
OpenRA.Game/Network/UPnP.cs
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@@ -16,7 +16,7 @@ namespace OpenRA.Network
{ {
public static class UPnP public static class UPnP
{ {
public static INatDevice NatDevice; static INatDevice natDevice;
public static void TryNatDiscovery() public static void TryNatDiscovery()
{ {
@@ -42,7 +42,7 @@ namespace OpenRA.Network
Log.Write("server", "Stopping NAT discovery."); Log.Write("server", "Stopping NAT discovery.");
NatUtility.StopDiscovery(); NatUtility.StopDiscovery();
if (NatDevice == null || NatDevice.GetType() != typeof(Mono.Nat.Upnp.UpnpNatDevice)) if (natDevice == null || natDevice.GetType() != typeof(Mono.Nat.Upnp.UpnpNatDevice))
{ {
Log.Write("server", Log.Write("server",
"No NAT devices with UPnP enabled found within {0} ms deadline. Disabling automatic port forwarding.".F(Game.Settings.Server.NatDiscoveryTimeout)); "No NAT devices with UPnP enabled found within {0} ms deadline. Disabling automatic port forwarding.".F(Game.Settings.Server.NatDiscoveryTimeout));
@@ -60,11 +60,11 @@ namespace OpenRA.Network
try try
{ {
NatDevice = args.Device; natDevice = args.Device;
Log.Write("server", "Type: {0}", NatDevice.GetType()); Log.Write("server", "Type: {0}", natDevice.GetType());
Log.Write("server", "Your external IP is: {0}", NatDevice.GetExternalIP()); Log.Write("server", "Your external IP is: {0}", natDevice.GetExternalIP());
foreach (var mp in NatDevice.GetAllMappings()) foreach (var mp in natDevice.GetAllMappings())
Log.Write("server", "Existing port mapping: protocol={0}, public={1}, private={2}", Log.Write("server", "Existing port mapping: protocol={0}, public={1}, private={2}",
mp.Protocol, mp.PublicPort, mp.PrivatePort); mp.Protocol, mp.PublicPort, mp.PrivatePort);
} }
@@ -82,7 +82,7 @@ namespace OpenRA.Network
try try
{ {
var mapping = new Mapping(Protocol.Tcp, Game.Settings.Server.ExternalPort, Game.Settings.Server.ListenPort, lifetime); var mapping = new Mapping(Protocol.Tcp, Game.Settings.Server.ExternalPort, Game.Settings.Server.ListenPort, lifetime);
NatDevice.CreatePortMap(mapping); natDevice.CreatePortMap(mapping);
Log.Write("server", "Create port mapping: protocol = {0}, public = {1}, private = {2}, lifetime = {3} s", Log.Write("server", "Create port mapping: protocol = {0}, public = {1}, private = {2}, lifetime = {3} s",
mapping.Protocol, mapping.PublicPort, mapping.PrivatePort, mapping.Lifetime); mapping.Protocol, mapping.PublicPort, mapping.PrivatePort, mapping.Lifetime);
} }
@@ -106,7 +106,7 @@ namespace OpenRA.Network
try try
{ {
var mapping = new Mapping(Protocol.Tcp, Game.Settings.Server.ExternalPort, Game.Settings.Server.ListenPort); var mapping = new Mapping(Protocol.Tcp, Game.Settings.Server.ExternalPort, Game.Settings.Server.ListenPort);
NatDevice.DeletePortMap(mapping); natDevice.DeletePortMap(mapping);
Log.Write("server", "Remove port mapping: protocol = {0}, public = {1}, private = {2}, expiration = {3}", Log.Write("server", "Remove port mapping: protocol = {0}, public = {1}, private = {2}, expiration = {3}",
mapping.Protocol, mapping.PublicPort, mapping.PrivatePort, mapping.Expiration); mapping.Protocol, mapping.PublicPort, mapping.PrivatePort, mapping.Expiration);
} }
@@ -119,12 +119,12 @@ namespace OpenRA.Network
public static IPAddress GetExternalIP() public static IPAddress GetExternalIP()
{ {
if (NatDevice == null) if (natDevice == null)
return null; return null;
try try
{ {
return NatDevice.GetExternalIP(); return natDevice.GetExternalIP();
} }
catch (Exception e) catch (Exception e)
{ {