From 7b295f3d2163f6327f6cf531b9996903ad9fa025 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@tailscale.com>
Date: Thu, 22 Jul 2021 13:22:58 -0700
Subject: [PATCH] net/portmapper: disable UPnP on iOS for now

Updates #2495

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
---
 net/portmapper/disabled_stubs.go | 29 +++++++++++++++++++++++++++++
 net/portmapper/upnp.go           |  3 +++
 2 files changed, 32 insertions(+)
 create mode 100644 net/portmapper/disabled_stubs.go

diff --git a/net/portmapper/disabled_stubs.go b/net/portmapper/disabled_stubs.go
new file mode 100644
index 000000000..fb1572e78
--- /dev/null
+++ b/net/portmapper/disabled_stubs.go
@@ -0,0 +1,29 @@
+// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ios
+// (https://github.com/tailscale/tailscale/issues/2495)
+
+package portmapper
+
+import (
+	"context"
+
+	"inet.af/netaddr"
+)
+
+type upnpClient interface{}
+
+func getUPnPClient(ctx context.Context, gw netaddr.IP) (upnpClient, error) {
+	return nil, nil
+}
+
+func (c *Client) getUPnPPortMapping(
+	ctx context.Context,
+	gw netaddr.IP,
+	internal netaddr.IPPort,
+	prevPort uint16,
+) (external netaddr.IPPort, ok bool) {
+	return netaddr.IPPort{}, false
+}
diff --git a/net/portmapper/upnp.go b/net/portmapper/upnp.go
index e8ac9a8b3..5ec91353e 100644
--- a/net/portmapper/upnp.go
+++ b/net/portmapper/upnp.go
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build !ios
+// (https://github.com/tailscale/tailscale/issues/2495)
+
 package portmapper
 
 import (