wireguard-go-bridge: update to Go 1.12

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

wireguard-go

@@ -1 +1 @@
-Subproject commit f7170e5de2065f37bac647484b34711db4797394
+Subproject commit 88ff67fb6f55456e46877b71aa5d33060468f95e

wireguard-go-bridge/Makefile

@@ -28,7 +28,7 @@ version-header: $(DESTDIR)/wireguard-go-version.h
 
 GOBUILDARCH := $(GOARCH_$(shell uname -m))
 GOBUILDOS := $(shell uname -s | tr '[:upper:]' '[:lower:]')
-GOBUILDVERSION := 1.11.5
+GOBUILDVERSION := 1.12
 GOBUILDTARBALL := go$(GOBUILDVERSION).$(GOBUILDOS)-$(GOBUILDARCH).tar.gz
 GOBUILDTARBALLURL := https://dl.google.com/go/$(GOBUILDTARBALL)
 GOBUILDVERSION_NEEDED := go version go$(GOBUILDVERSION) $(GOBUILDOS)/$(GOBUILDARCH)

wireguard-go-bridge/goruntime-boottime-over-monotonic.diff

@@ -1,55 +1,27 @@
-diff -r -u go/src/runtime/sys_darwin_386.s go-modified/src/runtime/sys_darwin_386.s
+From 74523c5a12d37fa792e77a252bcc569484c3d41a Mon Sep 17 00:00:00 2001
---- go/src/runtime/sys_darwin_386.s	2018-10-01 23:02:54.000000000 +0200
+From: "Jason A. Donenfeld" <Jason@zx2c4.com>
-+++ go-modified/src/runtime/sys_darwin_386.s	2018-11-01 23:18:04.383055355 +0100
+Date: Wed, 27 Feb 2019 05:33:01 +0100
-@@ -184,7 +184,7 @@
+Subject: [PATCH] runtime: use libc_mach_continuous_time in nanotime on Darwin
- 	PUSHL	BP
+
- 	MOVL	SP, BP
+This makes timers account for having expired while a computer was
- 	SUBL	$8+(machTimebaseInfo__size+15)/16*16, SP
+asleep, which is quite common on mobile devices. Note that
--	CALL	libc_mach_absolute_time(SB)
+continuous_time absolute_time, except that it takes into account
-+	CALL	libc_mach_continuous_time(SB)
+time spent in suspend.
- 	MOVL	16+(machTimebaseInfo__size+15)/16*16(SP), CX
+
- 	MOVL	AX, 0(CX)
+Fixes #24595
- 	MOVL	DX, 4(CX)
+---
-diff -r -u go/src/runtime/sys_darwin_amd64.s go-modified/src/runtime/sys_darwin_amd64.s
+ src/runtime/sys_darwin.go      | 2 +-
---- go/src/runtime/sys_darwin_amd64.s	2018-10-01 23:02:54.000000000 +0200
+ src/runtime/sys_darwin_386.s   | 2 +-
-+++ go-modified/src/runtime/sys_darwin_amd64.s	2018-11-01 23:18:04.382055360 +0100
+ src/runtime/sys_darwin_amd64.s | 2 +-
-@@ -85,7 +85,7 @@
+ src/runtime/sys_darwin_arm.s   | 2 +-
- 	PUSHQ	BP
+ src/runtime/sys_darwin_arm64.s | 2 +-
- 	MOVQ	SP, BP
+ 5 files changed, 5 insertions(+), 5 deletions(-)
- 	MOVQ	DI, BX
+
--	CALL	libc_mach_absolute_time(SB)
+diff --git a/src/runtime/sys_darwin.go b/src/runtime/sys_darwin.go
-+	CALL	libc_mach_continuous_time(SB)
+index f34ac88352..416fcb673f 100644
- 	MOVQ	AX, 0(BX)
+--- a/src/runtime/sys_darwin.go
- 	MOVL	timebase<>+machTimebaseInfo_numer(SB), SI
++++ b/src/runtime/sys_darwin.go
- 	MOVL	timebase<>+machTimebaseInfo_denom(SB), DI // atomic read
+@@ -403,7 +403,7 @@ func closeonexec(fd int32) {
-diff -r -u go/src/runtime/sys_darwin_arm64.s go-modified/src/runtime/sys_darwin_arm64.s
---- go/src/runtime/sys_darwin_arm64.s	2018-10-01 23:02:54.000000000 +0200
-+++ go-modified/src/runtime/sys_darwin_arm64.s	2018-11-01 23:18:04.380055369 +0100
-@@ -110,7 +110,7 @@
- 
- TEXT runtime·nanotime_trampoline(SB),NOSPLIT,$40
- 	MOVD	R0, R19
--	BL	libc_mach_absolute_time(SB)
-+	BL	libc_mach_continuous_time(SB)
- 	MOVD	R0, 0(R19)
- 	MOVW	timebase<>+machTimebaseInfo_numer(SB), R20
- 	MOVD	$timebase<>+machTimebaseInfo_denom(SB), R21
-diff -r -u go/src/runtime/sys_darwin_arm.s go-modified/src/runtime/sys_darwin_arm.s
---- go/src/runtime/sys_darwin_arm.s	2018-10-01 23:02:54.000000000 +0200
-+++ go-modified/src/runtime/sys_darwin_arm.s	2018-11-01 23:18:04.381055364 +0100
-@@ -118,7 +118,7 @@
- 
- TEXT runtime·nanotime_trampoline(SB),NOSPLIT,$0
- 	MOVW	R0, R8
--	BL	libc_mach_absolute_time(SB)
-+	BL	libc_mach_continuous_time(SB)
- 	MOVW	R0, 0(R8)
- 	MOVW	R1, 4(R8)
- 	MOVW	timebase<>+machTimebaseInfo_numer(SB), R6
-diff -r -u go/src/runtime/sys_darwin.go go-modified/src/runtime/sys_darwin.go
---- go/src/runtime/sys_darwin.go	2018-10-01 23:02:54.000000000 +0200
-+++ go-modified/src/runtime/sys_darwin.go	2018-11-01 23:18:04.384055350 +0100
-@@ -348,7 +348,7 @@
  //go:cgo_import_dynamic libc_usleep usleep "/usr/lib/libSystem.B.dylib"
  
  //go:cgo_import_dynamic libc_mach_timebase_info mach_timebase_info "/usr/lib/libSystem.B.dylib"
@@ -58,3 +30,58 @@ diff -r -u go/src/runtime/sys_darwin.go go-modified/src/runtime/sys_darwin.go
  //go:cgo_import_dynamic libc_gettimeofday gettimeofday "/usr/lib/libSystem.B.dylib"
  //go:cgo_import_dynamic libc_sigaction sigaction "/usr/lib/libSystem.B.dylib"
  //go:cgo_import_dynamic libc_pthread_sigmask pthread_sigmask "/usr/lib/libSystem.B.dylib"
+diff --git a/src/runtime/sys_darwin_386.s b/src/runtime/sys_darwin_386.s
+index 1bc1a63c28..34a3561350 100644
+--- a/src/runtime/sys_darwin_386.s
++++ b/src/runtime/sys_darwin_386.s
+@@ -184,7 +184,7 @@ TEXT runtime·nanotime_trampoline(SB),NOSPLIT,$0
+ 	PUSHL	BP
+ 	MOVL	SP, BP
+ 	SUBL	$8+(machTimebaseInfo__size+15)/16*16, SP
+-	CALL	libc_mach_absolute_time(SB)
++	CALL	libc_mach_continuous_time(SB)
+ 	MOVL	16+(machTimebaseInfo__size+15)/16*16(SP), CX
+ 	MOVL	AX, 0(CX)
+ 	MOVL	DX, 4(CX)
+diff --git a/src/runtime/sys_darwin_amd64.s b/src/runtime/sys_darwin_amd64.s
+index f99cb00ab8..8b99316983 100644
+--- a/src/runtime/sys_darwin_amd64.s
++++ b/src/runtime/sys_darwin_amd64.s
+@@ -86,7 +86,7 @@ TEXT runtime·nanotime_trampoline(SB),NOSPLIT,$0
+ 	PUSHQ	BP
+ 	MOVQ	SP, BP
+ 	MOVQ	DI, BX
+-	CALL	libc_mach_absolute_time(SB)
++	CALL	libc_mach_continuous_time(SB)
+ 	MOVQ	AX, 0(BX)
+ 	MOVL	timebase<>+machTimebaseInfo_numer(SB), SI
+ 	MOVL	timebase<>+machTimebaseInfo_denom(SB), DI // atomic read
+diff --git a/src/runtime/sys_darwin_arm.s b/src/runtime/sys_darwin_arm.s
+index 54c7afbf34..a4f06fdb85 100644
+--- a/src/runtime/sys_darwin_arm.s
++++ b/src/runtime/sys_darwin_arm.s
+@@ -118,7 +118,7 @@ GLOBL timebase<>(SB),NOPTR,$(machTimebaseInfo__size)
+ 
+ TEXT runtime·nanotime_trampoline(SB),NOSPLIT,$0
+ 	MOVW	R0, R8
+-	BL	libc_mach_absolute_time(SB)
++	BL	libc_mach_continuous_time(SB)
+ 	MOVW	R0, 0(R8)
+ 	MOVW	R1, 4(R8)
+ 	MOVW	timebase<>+machTimebaseInfo_numer(SB), R6
+diff --git a/src/runtime/sys_darwin_arm64.s b/src/runtime/sys_darwin_arm64.s
+index 29951d8ad7..cdaf0a630e 100644
+--- a/src/runtime/sys_darwin_arm64.s
++++ b/src/runtime/sys_darwin_arm64.s
+@@ -113,7 +113,7 @@ GLOBL timebase<>(SB),NOPTR,$(machTimebaseInfo__size)
+ 
+ TEXT runtime·nanotime_trampoline(SB),NOSPLIT,$40
+ 	MOVD	R0, R19
+-	BL	libc_mach_absolute_time(SB)
++	BL	libc_mach_continuous_time(SB)
+ 	MOVD	R0, 0(R19)
+ 	MOVW	timebase<>+machTimebaseInfo_numer(SB), R20
+ 	MOVD	$timebase<>+machTimebaseInfo_denom(SB), R21
+-- 
+2.20.1
+

wireguard-go-bridge/src/api-ios.go

@@ -17,8 +17,8 @@ import (
 	"bufio"
 	"bytes"
 	"errors"
-	"git.zx2c4.com/wireguard-go/tun"
 	"golang.org/x/sys/unix"
+	"golang.zx2c4.com/wireguard/tun"
 	"log"
 	"math"
 	"os"
@@ -61,7 +61,7 @@ func init() {
 				n := runtime.Stack(buf, true)
 				buf[n] = 0
 				if uintptr(loggerFunc) != 0 {
-					C.callLogger(loggerFunc, 0, (*_Ctype_char)(unsafe.Pointer(&buf[0])))
+					C.callLogger(loggerFunc, 0, (*C.char)(unsafe.Pointer(&buf[0])))
 				}
 			}
 		}

wireguard-go-bridge/src/tun/api-ios.go

@@ -6,28 +6,24 @@
 package tun
 
 import (
-	"git.zx2c4.com/wireguard-go/rwcancel"
 	"golang.org/x/sys/unix"
 	"net"
 	"os"
 )
 
 func CreateTUNFromFD(tunFd int) (TUNDevice, string, error) {
-	file := os.NewFile(uintptr(tunFd), "/dev/tun")
+	err := unix.SetNonblock(tunFd, true)
-	tun := &nativeTun{
-		tunFile: file,
-		fd:      file.Fd(),
-		events:  make(chan TUNEvent, 5),
-		errors:  make(chan error, 5),
-	}
-	var err error
-	tun.rwcancel, err = rwcancel.NewRWCancel(tunFd)
 	if err != nil {
 		return nil, "", err
 	}
+	file := os.NewFile(uintptr(tunFd), "/dev/tun")
+	tun := &nativeTun{
+		tunFile: file,
+		events:  make(chan TUNEvent, 5),
+		errors:  make(chan error, 5),
+	}
 	name, err := tun.Name()
 	if err != nil {
-		tun.rwcancel.Cancel()
 		return nil, "", err
 	}
 	tunIfindex, err := func() (int, error) {
@@ -38,12 +34,10 @@ func CreateTUNFromFD(tunFd int) (TUNDevice, string, error) {
 		return iface.Index, nil
 	}()
 	if err != nil {
-		tun.tunFile.Close()
 		return nil, "", err
 	}
 	tun.routeSocket, err = unix.Socket(unix.AF_ROUTE, unix.SOCK_RAW, unix.AF_UNSPEC)
 	if err != nil {
-		tun.tunFile.Close()
 		return nil, "", err
 	}
 	go tun.routineRouteListener(tunIfindex)