From 32fcb3fccf060cb11e7ae0e2b434f6ff06e10bd0 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Thu, 19 Apr 2018 07:55:24 +0200
Subject: Work around go fd closing limitation and version bump

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 app/build.gradle                  |  2 +-
 app/tools/libwg-go/api-android.go | 19 ++++++++++++++++---
 app/tools/wireguard-go            |  2 +-
 3 files changed, 18 insertions(+), 5 deletions(-)

(limited to 'app')

diff --git a/app/build.gradle b/app/build.gradle
index 18710cc0..fbc74ca4 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -20,7 +20,7 @@ android {
         applicationId 'com.wireguard.android'
         minSdkVersion 21
         targetSdkVersion 27
-        versionCode 402
+        versionCode 403
         versionName '0.4.0'
     }
     externalNativeBuild {
diff --git a/app/tools/libwg-go/api-android.go b/app/tools/libwg-go/api-android.go
index 6b864bce..af64f51f 100644
--- a/app/tools/libwg-go/api-android.go
+++ b/app/tools/libwg-go/api-android.go
@@ -11,6 +11,7 @@ import (
 	"math"
 	"os"
 	"strings"
+	"syscall"
 )
 
 type AndroidLogger struct {
@@ -42,15 +43,27 @@ func wgTurnOn(ifnameRef string, tun_fd int32, settings string) int32 {
 	logger.Debug.Println("Debug log enabled")
 
 	tun := &NativeTun{
-		fd:     os.NewFile(uintptr(tun_fd), ""),
+		fd:     os.NewFile(uintptr(tun_fd), "/dev/tun"),
 		events: make(chan TUNEvent, 5),
 		errors: make(chan error, 5),
 		nopi:   true,
 	}
+	var err error
+
+	err = syscall.SetNonblock(int(tun_fd), true)
+	if err != nil {
+		logger.Error.Println(err)
+		return -1
+	}
+	tun.closingReader, tun.closingWriter, err = os.Pipe()
+	if err != nil {
+		logger.Error.Println(err)
+		return -1
+	}
 	name, err := tun.Name()
 	if err != nil {
-	    logger.Error.Println(err)
-	    return -1
+		logger.Error.Println(err)
+		return -1
 	}
 	logger.Info.Println("Attaching to interface", name)
 	device := NewDevice(tun, logger)
diff --git a/app/tools/wireguard-go b/app/tools/wireguard-go
index ac991234..ec28113c 160000
--- a/app/tools/wireguard-go
+++ b/app/tools/wireguard-go
@@ -1 +1 @@
-Subproject commit ac9912345b4da5034ea93f5f245ea2ce04815bd5
+Subproject commit ec28113c7eebd93c87964a3509460fd150ad5ac7
-- 
cgit v1.2.3-59-g8ed1b