From 65a74f3175855dc41b49332103ada6bb27733291 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Tue, 22 May 2018 19:40:51 +0200
Subject: Avoid sticky sockets on Android

The android policy routing system does insane things.
---
 conn_default.go | 9 ++++++---
 conn_linux.go   | 2 ++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/conn_default.go b/conn_default.go
index fc52fbf..14ed56c 100644
--- a/conn_default.go
+++ b/conn_default.go
@@ -1,4 +1,4 @@
-// +build !linux
+// +build !linux android
 
 /* SPDX-License-Identifier: GPL-2.0
  *
@@ -143,9 +143,12 @@ func (bind *NativeBind) Send(buff []byte, endpoint Endpoint) error {
 var fwmarkIoctl int
 
 func init() {
-	if runtime.GOOS == "freebsd" {
+	switch runtime.GOOS {
+	case "linux", "android":
+		fwmarkIoctl = 36 /* unix.SO_MARK */
+	case "freebsd":
 		fwmarkIoctl = 0x1015 /* unix.SO_USER_COOKIE */
-	} else if runtime.GOOS == "openbsd" {
+	case "openbsd":
 		fwmarkIoctl = 0x1021 /* unix.SO_RTABLE */
 	}
 }
diff --git a/conn_linux.go b/conn_linux.go
index e5105e3..fa09087 100644
--- a/conn_linux.go
+++ b/conn_linux.go
@@ -1,3 +1,5 @@
+// +build !android
+
 /* SPDX-License-Identifier: GPL-2.0
  *
  * Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
-- 
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