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14 commits

Author SHA1 Message Date
pokamest
27e661d68e
Merge pull request #70 from marko1777/junk-improvements
Junk improvements
2025-04-07 15:31:41 +01:00
Mark Puha
71be0eb3a6 faster and more secure junk creation 2025-03-18 08:34:23 +01:00
pokamest
e3f1273f8a
Merge pull request #64 from drkivi/master
Patch for golang crypto and net submodules
2025-02-18 11:50:35 +00:00
drkivi
c97b5b7615
Update go.sum
Signed-off-by: drkivi <115035277+drkivi@users.noreply.github.com>
2025-02-10 21:44:58 +03:30
drkivi
668ddfd455
Update go.mod
Submodules Version Up

Signed-off-by: drkivi <115035277+drkivi@users.noreply.github.com>
2025-02-10 21:44:17 +03:30
drkivi
b8da08c106
Update Dockerfile
golang -> 1.23.6
AWGTOOLS_RELEASE -> 1.0.20241018

Signed-off-by: drkivi <115035277+drkivi@users.noreply.github.com>
2025-02-10 21:43:02 +03:30
Iurii Egorov
2e3f7d122c Update Go version in Dockerfile 2024-07-01 13:47:44 +03:00
Iurii Egorov
2e7780471a
Remove GetOffloadInfo() (#32)
* Remove GetOffloadInfo()
* Remove GetOffloadInfo() from bind_windows as well
* Allow lightweight tags to be used in the version
2024-05-24 16:18:23 +01:00
albexk
87d8c00f86 Up go to 1.22.3, up crypto to 0.21.0 2024-05-21 08:09:58 -07:00
albexk
c00bda9200 Fix output of the version command 2024-05-14 03:51:01 -07:00
albexk
d2b0fc9789 Add resetting of message types when closing the device 2024-05-14 03:51:01 -07:00
albexk
77d39ff3b9 Minor naming changes 2024-05-14 03:51:01 -07:00
albexk
e433d13df6 Add disabling UDP GSO when an error occurs due to inconsistent peer mtu 2024-05-14 03:51:01 -07:00
RomikB
3ddf952973 unsafe rebranding: change pipe name 2024-05-13 11:10:42 -07:00
28 changed files with 297 additions and 342 deletions

View file

@ -1,4 +1,4 @@
FROM golang:1.22.1 as awg
FROM golang:1.24 as awg
COPY . /awg
WORKDIR /awg
RUN go mod download && \
@ -6,7 +6,7 @@ RUN go mod download && \
go build -ldflags '-linkmode external -extldflags "-fno-PIC -static"' -v -o /usr/bin
FROM alpine:3.19
ARG AWGTOOLS_RELEASE="1.0.20240213"
ARG AWGTOOLS_RELEASE="1.0.20241018"
RUN apk --no-cache add iproute2 iptables bash && \
cd /usr/bin/ && \
wget https://github.com/amnezia-vpn/amneziawg-tools/releases/download/v${AWGTOOLS_RELEASE}/alpine-3.19-amneziawg-tools.zip && \

View file

@ -9,7 +9,7 @@ MAKEFLAGS += --no-print-directory
generate-version-and-build:
@export GIT_CEILING_DIRECTORIES="$(realpath $(CURDIR)/..)" && \
tag="$$(git describe --dirty 2>/dev/null)" && \
tag="$$(git describe --tags --dirty 2>/dev/null)" && \
ver="$$(printf 'package main\n\nconst Version = "%s"\n' "$$tag")" && \
[ "$$(cat version.go 2>/dev/null)" != "$$ver" ] && \
echo "$$ver" > version.go && \

View file

@ -21,7 +21,7 @@ To run amneziawg-go without forking to the background, pass `-f` or `--foregroun
```
$ amneziawg-go -f wg0
```
When an interface is running, you may use [`amnezia-wg-tools `](https://github.com/amnezia-vpn/amneziawg-go-tools) to configure it, as well as the usual `ip(8)` and `ifconfig(8)` commands.
When an interface is running, you may use [`amneziawg-tools `](https://github.com/amnezia-vpn/amneziawg-tools) to configure it, as well as the usual `ip(8)` and `ifconfig(8)` commands.
To run with more logging you may set the environment variable `LOG_LEVEL=debug`.
@ -34,11 +34,11 @@ This will run on Linux; you should run amnezia-wg instead of using default linux
### macOS
This runs on macOS using the utun driver. It does not yet support sticky sockets, and won't support fwmarks because of Darwin limitations. Since the utun driver cannot have arbitrary interface names, you must either use `utun[0-9]+` for an explicit interface name or `utun` to have the kernel select one for you. If you choose `utun` as the interface name, and the environment variable `WG_TUN_NAME_FILE` is defined, then the actual name of the interface chosen by the kernel is written to the file specified by that variable.
This runs on MacOS, you should use it from [awg-apple](https://github.com/amnezia-vpn/awg-apple)
This runs on MacOS, you should use it from [amneziawg-apple](https://github.com/amnezia-vpn/amneziawg-apple)
### Windows
This runs on Windows, you should use it from [awg-windows](https://github.com/amnezia-vpn/awg-windows), which uses this as a module.
This runs on Windows, you should use it from [amneziawg-windows](https://github.com/amnezia-vpn/amneziawg-windows), which uses this as a module.
## Building

View file

@ -298,11 +298,6 @@ func (s *StdNetBind) BatchSize() int {
return 1
}
func (s *StdNetBind) GetOffloadInfo() string {
return fmt.Sprintf("ipv4TxOffload: %v, ipv4RxOffload: %v\nipv6TxOffload: %v, ipv6RxOffload: %v",
s.ipv4TxOffload, s.ipv4RxOffload, s.ipv6TxOffload, s.ipv6RxOffload)
}
func (s *StdNetBind) Close() error {
s.mu.Lock()
defer s.mu.Unlock()
@ -336,7 +331,7 @@ type ErrUDPGSODisabled struct {
}
func (e ErrUDPGSODisabled) Error() string {
return fmt.Sprintf("disabled UDP GSO on %s, NIC(s) may not support checksum offload", e.onLaddr)
return fmt.Sprintf("disabled UDP GSO on %s, NIC(s) may not support checksum offload or peer MTU with protocol headers is greater than path MTU", e.onLaddr)
}
func (e ErrUDPGSODisabled) Unwrap() error {

View file

@ -328,10 +328,6 @@ func (bind *WinRingBind) BatchSize() int {
return 1
}
func (bind *WinRingBind) GetOffloadInfo() string {
return ""
}
func (bind *WinRingBind) SetMark(mark uint32) error {
return nil
}

View file

@ -91,8 +91,6 @@ func (c *ChannelBind) Close() error {
func (c *ChannelBind) BatchSize() int { return 1 }
func (c *ChannelBind) GetOffloadInfo() string { return "" }
func (c *ChannelBind) SetMark(mark uint32) error { return nil }
func (c *ChannelBind) makeReceiveFunc(ch chan []byte) conn.ReceiveFunc {

View file

@ -55,8 +55,6 @@ type Bind interface {
// BatchSize is the number of buffers expected to be passed to
// the ReceiveFuncs, and the maximum expected to be passed to SendBatch.
BatchSize() int
GetOffloadInfo() string
}
// BindSocketToInterface is implemented by Bind objects that support being

View file

@ -20,7 +20,9 @@ func errShouldDisableUDPGSO(err error) bool {
// See:
// https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/man7/udp.7?id=806eabd74910447f21005160e90957bde4db0183#n228
// https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/net/ipv4/udp.c?h=v6.2&id=c9c3395d5e3dcc6daee66c6908354d47bf98cb0c#n942
return serr.Err == unix.EIO
// If gso_size + udp + ip headers > fragment size EINVAL is returned.
// It occurs when the peer mtu + wg headers is greater than path mtu.
return serr.Err == unix.EIO || serr.Err == unix.EINVAL
}
return false
}

View file

@ -6,8 +6,6 @@
package device
import (
"context"
"fmt"
"runtime"
"sync"
"sync/atomic"
@ -18,7 +16,6 @@ import (
"github.com/amnezia-vpn/amneziawg-go/ratelimiter"
"github.com/amnezia-vpn/amneziawg-go/rwcancel"
"github.com/amnezia-vpn/amneziawg-go/tun"
"github.com/leninalive/udptlspipe/pipe"
"github.com/tevino/abool/v2"
)
@ -98,10 +95,7 @@ type Device struct {
isASecOn abool.AtomicBool
aSecMux sync.RWMutex
aSecCfg aSecCfgType
udptlspipe *pipe.Server
serverMode bool
udpMode bool
junkCreator junkCreator
}
type aSecCfgType struct {
@ -308,10 +302,8 @@ func (device *Device) SetPrivateKey(sk NoisePrivateKey) error {
return nil
}
func NewDevice(tunDevice tun.Device, bind conn.Bind, logger *Logger, udp bool) *Device {
func NewDevice(tunDevice tun.Device, bind conn.Bind, logger *Logger) *Device {
device := new(Device)
device.udpMode = udp
device.serverMode = false
device.state.state.Store(uint32(deviceStateDown))
device.closed = make(chan struct{})
device.log = logger
@ -424,6 +416,8 @@ func (device *Device) Close() {
device.rate.limiter.Close()
device.resetProtocol()
device.log.Verbosef("Device closed")
close(device.closed)
}
@ -453,9 +447,6 @@ func (device *Device) SendKeepalivesToPeersWithCurrentKeypair() {
// The caller must hold the net mutex.
func closeBindLocked(device *Device) error {
var err error
if device.udptlspipe != nil {
err = device.udptlspipe.Shutdown(context.TODO())
}
netc := &device.net
if netc.netlinkCancel != nil {
netc.netlinkCancel.Cancel()
@ -557,18 +548,6 @@ func (device *Device) BindUpdate() error {
}
device.log.Verbosef("UDP bind has been updated")
device.log.Verbosef(netc.bind.GetOffloadInfo())
if !device.udpMode && device.serverMode {
srv, err := device.StartUDPTLSPipe(true, "0.0.0.0:443", fmt.Sprintf("127.0.0.1:%d", netc.port))
if err != nil {
netc.bind.Close()
return err
}
device.udptlspipe = srv
}
return nil
}
@ -582,14 +561,17 @@ func (device *Device) isAdvancedSecurityOn() bool {
return device.isASecOn.IsSet()
}
func (device *Device) resetProtocol() {
// restore default message type values
MessageInitiationType = 1
MessageResponseType = 2
MessageCookieReplyType = 3
MessageTransportType = 4
}
func (device *Device) handlePostConfig(tempASecCfg *aSecCfgType) (err error) {
if !tempASecCfg.isSet {
// restore default values
MessageInitiationType = 1
MessageResponseType = 2
MessageCookieReplyType = 3
MessageTransportType = 4
return err
}
@ -818,54 +800,8 @@ func (device *Device) handlePostConfig(tempASecCfg *aSecCfgType) (err error) {
}
device.isASecOn.SetTo(isASecOn)
device.junkCreator, err = NewJunkCreator(device)
device.aSecMux.Unlock()
return err
}
func (device *Device) StartUDPTLSPipe(isServer bool, localAddr string, destAddr string) (*pipe.Server, error) {
// setup UDP TLS pipe server
cfg := &pipe.Config{
ListenAddr: localAddr,
DestinationAddr: destAddr,
Password: "amn3zias3curep4ssword",
ServerMode: isServer,
//ProxyURL: o.ProxyURL,
//VerifyCertificate: o.VerifyCertificate,
//TLSServerName: o.TLSServerName,
//ProbeReverseProxyURL: o.ProbeReverseProxyURL,
}
/*if o.TLSCertPath != "" {
if !o.ServerMode {
log.Error("TLS certificate only works in server mode")
os.Exit(1)
}
cert, certErr := loadX509KeyPair(o.TLSCertPath, o.TLSCertKey)
if certErr != nil {
log.Error("Failed to load TLS certificate: %v", err)
os.Exit(1)
}
cfg.TLSCertificate = cert
}*/
srv, err := pipe.NewServer(cfg)
if err != nil {
device.log.Errorf("Failed to initialize TLS server: %v", err)
return nil, err
}
err = srv.Start()
if err != nil {
device.log.Errorf("Failed to start the TLS server: %v", err)
return nil, err
}
return srv, err
}

View file

@ -109,7 +109,7 @@ func genASecurityConfigs(tb testing.TB) (cfgs, endpointCfgs [2]string) {
"replace_peers", "true",
"jc", "5",
"jmin", "500",
"jmax", "501",
"jmax", "1000",
"s1", "30",
"s2", "40",
"h1", "123456",
@ -131,7 +131,7 @@ func genASecurityConfigs(tb testing.TB) (cfgs, endpointCfgs [2]string) {
"replace_peers", "true",
"jc", "5",
"jmin", "500",
"jmax", "501",
"jmax", "1000",
"s1", "30",
"s2", "40",
"h1", "123456",
@ -237,7 +237,7 @@ func genTestPair(
if _, ok := tb.(*testing.B); ok && !testing.Verbose() {
level = LogLevelError
}
p.dev = NewDevice(p.tun.TUN(), binds[i], NewLogger(level, fmt.Sprintf("dev%d: ", i)), true)
p.dev = NewDevice(p.tun.TUN(), binds[i], NewLogger(level, fmt.Sprintf("dev%d: ", i)))
if err := p.dev.IpcSet(cfg[i]); err != nil {
tb.Errorf("failed to configure device %d: %v", i, err)
p.dev.Close()
@ -274,7 +274,7 @@ func TestTwoDevicePing(t *testing.T) {
})
}
func TestTwoDevicePingASecurity(t *testing.T) {
func TestASecurityTwoDevicePing(t *testing.T) {
goroutineLeakCheck(t)
pair := genTestPair(t, true, true)
t.Run("ping 1.0.0.1", func(t *testing.T) {

69
device/junk_creator.go Normal file
View file

@ -0,0 +1,69 @@
package device
import (
"bytes"
crand "crypto/rand"
"fmt"
v2 "math/rand/v2"
)
type junkCreator struct {
device *Device
cha8Rand *v2.ChaCha8
}
func NewJunkCreator(d *Device) (junkCreator, error) {
buf := make([]byte, 32)
_, err := crand.Read(buf)
if err != nil {
return junkCreator{}, err
}
return junkCreator{device: d, cha8Rand: v2.NewChaCha8([32]byte(buf))}, nil
}
// Should be called with aSecMux RLocked
func (jc *junkCreator) createJunkPackets() ([][]byte, error) {
if jc.device.aSecCfg.junkPacketCount == 0 {
return nil, nil
}
junks := make([][]byte, 0, jc.device.aSecCfg.junkPacketCount)
for i := 0; i < jc.device.aSecCfg.junkPacketCount; i++ {
packetSize := jc.randomPacketSize()
junk, err := jc.randomJunkWithSize(packetSize)
if err != nil {
return nil, fmt.Errorf("Failed to create junk packet: %v", err)
}
junks = append(junks, junk)
}
return junks, nil
}
// Should be called with aSecMux RLocked
func (jc *junkCreator) randomPacketSize() int {
return int(
jc.cha8Rand.Uint64()%uint64(
jc.device.aSecCfg.junkPacketMaxSize-jc.device.aSecCfg.junkPacketMinSize,
),
) + jc.device.aSecCfg.junkPacketMinSize
}
// Should be called with aSecMux RLocked
func (jc *junkCreator) appendJunk(writer *bytes.Buffer, size int) error {
headerJunk, err := jc.randomJunkWithSize(size)
if err != nil {
return fmt.Errorf("failed to create header junk: %v", err)
}
_, err = writer.Write(headerJunk)
if err != nil {
return fmt.Errorf("failed to write header junk: %v", err)
}
return nil
}
// Should be called with aSecMux RLocked
func (jc *junkCreator) randomJunkWithSize(size int) ([]byte, error) {
junk := make([]byte, size)
_, err := jc.cha8Rand.Read(junk)
return junk, err
}

124
device/junk_creator_test.go Normal file
View file

@ -0,0 +1,124 @@
package device
import (
"bytes"
"fmt"
"testing"
"github.com/amnezia-vpn/amneziawg-go/conn/bindtest"
"github.com/amnezia-vpn/amneziawg-go/tun/tuntest"
)
func setUpJunkCreator(t *testing.T) (junkCreator, error) {
cfg, _ := genASecurityConfigs(t)
tun := tuntest.NewChannelTUN()
binds := bindtest.NewChannelBinds()
level := LogLevelVerbose
dev := NewDevice(
tun.TUN(),
binds[0],
NewLogger(level, ""),
)
if err := dev.IpcSet(cfg[0]); err != nil {
t.Errorf("failed to configure device %v", err)
dev.Close()
return junkCreator{}, err
}
jc, err := NewJunkCreator(dev)
if err != nil {
t.Errorf("failed to create junk creator %v", err)
dev.Close()
return junkCreator{}, err
}
return jc, nil
}
func Test_junkCreator_createJunkPackets(t *testing.T) {
jc, err := setUpJunkCreator(t)
if err != nil {
return
}
t.Run("", func(t *testing.T) {
got, err := jc.createJunkPackets()
if err != nil {
t.Errorf(
"junkCreator.createJunkPackets() = %v; failed",
err,
)
return
}
seen := make(map[string]bool)
for _, junk := range got {
key := string(junk)
if seen[key] {
t.Errorf(
"junkCreator.createJunkPackets() = %v, duplicate key: %v",
got,
junk,
)
return
}
seen[key] = true
}
})
}
func Test_junkCreator_randomJunkWithSize(t *testing.T) {
t.Run("", func(t *testing.T) {
jc, err := setUpJunkCreator(t)
if err != nil {
return
}
r1, _ := jc.randomJunkWithSize(10)
r2, _ := jc.randomJunkWithSize(10)
fmt.Printf("%v\n%v\n", r1, r2)
if bytes.Equal(r1, r2) {
t.Errorf("same junks %v", err)
jc.device.Close()
return
}
})
}
func Test_junkCreator_randomPacketSize(t *testing.T) {
jc, err := setUpJunkCreator(t)
if err != nil {
return
}
for range [30]struct{}{} {
t.Run("", func(t *testing.T) {
if got := jc.randomPacketSize(); jc.device.aSecCfg.junkPacketMinSize > got ||
got > jc.device.aSecCfg.junkPacketMaxSize {
t.Errorf(
"junkCreator.randomPacketSize() = %v, not between range [%v,%v]",
got,
jc.device.aSecCfg.junkPacketMinSize,
jc.device.aSecCfg.junkPacketMaxSize,
)
}
})
}
}
func Test_junkCreator_appendJunk(t *testing.T) {
jc, err := setUpJunkCreator(t)
if err != nil {
return
}
t.Run("", func(t *testing.T) {
s := "apple"
buffer := bytes.NewBuffer([]byte(s))
err := jc.appendJunk(buffer, 30)
if err != nil &&
buffer.Len() != len(s)+30 {
t.Errorf("appendWithJunk() size don't match")
}
read := make([]byte, 50)
buffer.Read(read)
fmt.Println(string(read))
})
}

View file

@ -39,7 +39,7 @@ func randDevice(t *testing.T) *Device {
}
tun := tuntest.NewChannelTUN()
logger := NewLogger(LogLevelError, "")
device := NewDevice(tun.TUN(), conn.NewDefaultBind(), logger, true)
device := NewDevice(tun.TUN(), conn.NewDefaultBind(), logger)
device.SetPrivateKey(sk)
return device
}

View file

@ -7,10 +7,7 @@ package device
import (
"container/list"
"context"
"errors"
"fmt"
"net/netip"
"sync"
"sync/atomic"
"time"
@ -190,28 +187,6 @@ func (peer *Peer) Start() {
device := peer.device
device.log.Verbosef("%v - Starting", peer)
if !device.udpMode && !device.serverMode {
device.log.Verbosef("Starting udptlspipe")
if device.udptlspipe != nil {
device.udptlspipe.Shutdown(context.TODO())
}
oldEndpoint, _ := netip.ParseAddrPort(peer.endpoint.val.DstToString())
peer.endpoint.val, _ = device.net.bind.ParseEndpoint(fmt.Sprintf("127.0.0.1:%d", oldEndpoint.Port()))
srv, err := device.StartUDPTLSPipe(
false,
fmt.Sprintf("127.0.0.1:%d", oldEndpoint.Port()),
fmt.Sprintf("%s:443", oldEndpoint.Addr().String()),
)
if err != nil {
return
}
device.udptlspipe = srv
}
// reset routine state
peer.stopping.Wait()
peer.stopping.Add(2)

View file

@ -279,14 +279,12 @@ func (device *Device) RoutineDecryption(id int) {
elem.counter = binary.LittleEndian.Uint64(counter)
// copy counter to nonce
binary.LittleEndian.PutUint64(nonce[0x4:0xc], elem.counter)
if device.udpMode {
elem.packet, err = elem.keypair.receive.Open(
content[:0],
nonce[:],
content,
nil,
)
}
elem.packet, err = elem.keypair.receive.Open(
content[:0],
nonce[:],
content,
nil,
)
if err != nil {
elem.packet = nil
}

View file

@ -9,7 +9,6 @@ import (
"bytes"
"encoding/binary"
"errors"
"math/rand"
"net"
"os"
"sync"
@ -129,7 +128,7 @@ func (peer *Peer) SendHandshakeInitiation(isRetry bool) error {
var junkedHeader []byte
if peer.device.isAdvancedSecurityOn() {
peer.device.aSecMux.RLock()
junks, err := peer.createJunkPackets()
junks, err := peer.device.junkCreator.createJunkPackets()
peer.device.aSecMux.RUnlock()
if err != nil {
@ -150,7 +149,7 @@ func (peer *Peer) SendHandshakeInitiation(isRetry bool) error {
if peer.device.aSecCfg.initPacketJunkSize != 0 {
buf := make([]byte, 0, peer.device.aSecCfg.initPacketJunkSize)
writer := bytes.NewBuffer(buf[:0])
err = appendJunk(writer, peer.device.aSecCfg.initPacketJunkSize)
err = peer.device.junkCreator.appendJunk(writer, peer.device.aSecCfg.initPacketJunkSize)
if err != nil {
peer.device.log.Errorf("%v - %v", peer, err)
peer.device.aSecMux.RUnlock()
@ -200,7 +199,7 @@ func (peer *Peer) SendHandshakeResponse() error {
if peer.device.aSecCfg.responsePacketJunkSize != 0 {
buf := make([]byte, 0, peer.device.aSecCfg.responsePacketJunkSize)
writer := bytes.NewBuffer(buf[:0])
err = appendJunk(writer, peer.device.aSecCfg.responsePacketJunkSize)
err = peer.device.junkCreator.appendJunk(writer, peer.device.aSecCfg.responsePacketJunkSize)
if err != nil {
peer.device.aSecMux.RUnlock()
peer.device.log.Errorf("%v - %v", peer, err)
@ -469,31 +468,6 @@ top:
}
}
func (peer *Peer) createJunkPackets() ([][]byte, error) {
if peer.device.aSecCfg.junkPacketCount == 0 {
return nil, nil
}
junks := make([][]byte, 0, peer.device.aSecCfg.junkPacketCount)
for i := 0; i < peer.device.aSecCfg.junkPacketCount; i++ {
packetSize := rand.Intn(
peer.device.aSecCfg.junkPacketMaxSize-peer.device.aSecCfg.junkPacketMinSize,
) + peer.device.aSecCfg.junkPacketMinSize
junk, err := randomJunkWithSize(packetSize)
if err != nil {
peer.device.log.Errorf(
"%v - Failed to create junk packet: %v",
peer,
err,
)
return nil, err
}
junks = append(junks, junk)
}
return junks, nil
}
func (peer *Peer) FlushStagedPackets() {
for {
select {
@ -556,14 +530,12 @@ func (device *Device) RoutineEncryption(id int) {
// encrypt content and release to consumer
binary.LittleEndian.PutUint64(nonce[4:], elem.nonce)
if device.udpMode {
elem.packet = elem.keypair.send.Seal(
header,
nonce[:],
elem.packet,
nil,
)
}
elem.packet = elem.keypair.send.Seal(
header,
nonce[:],
elem.packet,
nil,
)
}
elemsContainer.Unlock()
}

View file

@ -11,7 +11,7 @@ import (
"github.com/amnezia-vpn/amneziawg-go/tun"
)
const DefaultMTU = 1280
const DefaultMTU = 1420
func (device *Device) RoutineTUNEventReader() {
device.log.Verbosef("Routine: event worker - started")

View file

@ -259,7 +259,6 @@ func (device *Device) handleDeviceLine(key, value string, tempASecCfg *aSecCfgTy
device.net.Lock()
device.net.port = uint16(port)
device.serverMode = true
device.net.Unlock()
if err := device.BindUpdate(); err != nil {

View file

@ -1,25 +0,0 @@
package device
import (
"bytes"
crand "crypto/rand"
"fmt"
)
func appendJunk(writer *bytes.Buffer, size int) error {
headerJunk, err := randomJunkWithSize(size)
if err != nil {
return fmt.Errorf("failed to create header junk: %v", err)
}
_, err = writer.Write(headerJunk)
if err != nil {
return fmt.Errorf("failed to write header junk: %v", err)
}
return nil
}
func randomJunkWithSize(size int) ([]byte, error) {
junk := make([]byte, size)
_, err := crand.Read(junk)
return junk, err
}

View file

@ -1,27 +0,0 @@
package device
import (
"bytes"
"fmt"
"testing"
)
func Test_randomJunktWithSize(t *testing.T) {
junk, err := randomJunkWithSize(30)
fmt.Println(string(junk), len(junk), err)
}
func Test_appendJunk(t *testing.T) {
t.Run("", func(t *testing.T) {
s := "apple"
buffer := bytes.NewBuffer([]byte(s))
err := appendJunk(buffer, 30)
if err != nil &&
buffer.Len() != len(s)+30 {
t.Errorf("appendWithJunk() size don't match")
}
read := make([]byte, 50)
buffer.Read(read)
fmt.Println(string(read))
})
}

26
go.mod
View file

@ -1,29 +1,17 @@
module github.com/amnezia-vpn/amneziawg-go
go 1.21.6
toolchain go1.21.8
go 1.24
require (
github.com/leninalive/udptlspipe v0.0.0-20240313123600-80348db0072f
github.com/tevino/abool/v2 v2.1.0
golang.org/x/crypto v0.19.0
golang.org/x/net v0.21.0
golang.org/x/sys v0.17.0
golang.org/x/crypto v0.36.0
golang.org/x/net v0.37.0
golang.org/x/sys v0.31.0
golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2
gvisor.dev/gvisor v0.0.0-20230927004350-cbd86285d259
gvisor.dev/gvisor v0.0.0-20250130013005-04f9204697c6
)
require (
github.com/AdguardTeam/golibs v0.20.0 // indirect
github.com/andybalholm/brotli v1.0.6 // indirect
github.com/cloudflare/circl v1.3.7 // indirect
github.com/gobwas/httphead v0.1.0 // indirect
github.com/gobwas/pool v0.2.1 // indirect
github.com/gobwas/ws v1.3.2 // indirect
github.com/google/btree v1.0.1 // indirect
github.com/klauspost/compress v1.17.4 // indirect
github.com/quic-go/quic-go v0.40.1 // indirect
github.com/refraction-networking/utls v1.6.2 // indirect
golang.org/x/time v0.0.0-20220210224613-90d013bbcef8 // indirect
github.com/google/btree v1.1.3 // indirect
golang.org/x/time v0.9.0 // indirect
)

75
go.sum
View file

@ -1,63 +1,20 @@
github.com/AdguardTeam/golibs v0.20.0 h1:A9FIdYq7wUKhFYy3z+YZ/Aw5oFUYgW+xgaVAJ0pnnPY=
github.com/AdguardTeam/golibs v0.20.0/go.mod h1:3WunclLLfrVAq7fYQRhd6f168FHOEMssnipVXCxDL/w=
github.com/ameshkov/udptlspipe v1.3.1 h1:e+eC2Yb+04KPzH9b/Uktwn6W6lw5CgbFdHnGfAaofx8=
github.com/ameshkov/udptlspipe v1.3.1/go.mod h1:UnpDx2J//7WS/RRe5hb2UVZpwJzHga95ArLkPS9aRBk=
github.com/andybalholm/brotli v1.0.6 h1:Yf9fFpf49Zrxb9NlQaluyE92/+X7UVHlhMNJN2sxfOI=
github.com/andybalholm/brotli v1.0.6/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
github.com/cloudflare/circl v1.3.7 h1:qlCDlTPz2n9fu58M0Nh1J/JzcFpfgkFHHX3O35r5vcU=
github.com/cloudflare/circl v1.3.7/go.mod h1:sRTcRWXGLrKw6yIGJ+l7amYJFfAXbZG0kBSc8r4zxgA=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI=
github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572/go.mod h1:9Pwr4B2jHnOSGXyyzV8ROjYa2ojvAY6HCGYYfMoC3Ls=
github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
github.com/gobwas/httphead v0.1.0/go.mod h1:O/RXo79gxV8G+RqlR/otEwx4Q36zl9rqC5u12GKvMCM=
github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
github.com/gobwas/ws v1.3.2 h1:zlnbNHxumkRvfPWgfXu8RBwyNR1x8wh9cf5PTOCqs9Q=
github.com/gobwas/ws v1.3.2/go.mod h1:hRKAFb8wOxFROYNsT1bqfWnhX+b5MFeJM9r2ZSwg/KY=
github.com/google/btree v1.0.1 h1:gK4Kx5IaGY9CD5sPJ36FHiBJ6ZXl0kilRiiCj+jdYp4=
github.com/google/btree v1.0.1/go.mod h1:xXMiIv4Fb/0kKde4SpL7qlzvu5cMJDRkFDxJfI9uaxA=
github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 h1:yAJXTCF9TqKcTiHJAE8dj7HMvPfh66eeA2JYW7eFpSE=
github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/klauspost/compress v1.17.4 h1:Ej5ixsIri7BrIjBkRZLTo6ghwrEtHFk7ijlczPW4fZ4=
github.com/klauspost/compress v1.17.4/go.mod h1:/dCuZOvVtNoHsyb+cuJD3itjs3NbnF6KH9zAO4BDxPM=
github.com/leninalive/udptlspipe v0.0.0-20240313123600-80348db0072f h1:VR2M22cXDtgp78N1mkCmxiXj1zYIP9ScUXS8gMHi6Vs=
github.com/leninalive/udptlspipe v0.0.0-20240313123600-80348db0072f/go.mod h1:U3O6PfEGIxmmxAkOucn8Ty1akGF/1N1lDPeHPLCz3Cg=
github.com/onsi/ginkgo/v2 v2.9.5 h1:+6Hr4uxzP4XIUyAkg61dWBw8lb/gc4/X5luuxN/EC+Q=
github.com/onsi/ginkgo/v2 v2.9.5/go.mod h1:tvAoo1QUJwNEU2ITftXTpR7R1RbCzoZUOs3RonqW57k=
github.com/onsi/gomega v1.27.6 h1:ENqfyGeS5AX/rlXDd/ETokDz93u0YufY1Pgxuy/PvWE=
github.com/onsi/gomega v1.27.6/go.mod h1:PIQNjfQwkP3aQAH7lf7j87O/5FiNr+ZR8+ipb+qQlhg=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/quic-go/quic-go v0.40.1 h1:X3AGzUNFs0jVuO3esAGnTfvdgvL4fq655WaOi1snv1Q=
github.com/quic-go/quic-go v0.40.1/go.mod h1:PeN7kuVJ4xZbxSv/4OX6S1USOX8MJvydwpTx31vx60c=
github.com/refraction-networking/utls v1.6.2 h1:iTeeGY0o6nMNcGyirxkD5bFIsVctP5InGZ3E0HrzS7k=
github.com/refraction-networking/utls v1.6.2/go.mod h1:yil9+7qSl+gBwJqztoQseO6Pr3h62pQoY1lXiNR/FPs=
github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/google/btree v1.1.3 h1:CVpQJjYgC4VbzxeGVHfvZrv1ctoYCAI8vbl07Fcxlyg=
github.com/google/btree v1.1.3/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4=
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/tevino/abool/v2 v2.1.0 h1:7w+Vf9f/5gmKT4m4qkayb33/92M+Um45F2BkHOR+L/c=
github.com/tevino/abool/v2 v2.1.0/go.mod h1:+Lmlqk6bHDWHqN1cbxqhwEAwMPXgc8I1SDEamtseuXY=
golang.org/x/crypto v0.19.0 h1:ENy+Az/9Y1vSrlrvBSyna3PITt4tiZLf7sgCjZBX7Wo=
golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/time v0.0.0-20220210224613-90d013bbcef8 h1:vVKdlvoWBphwdxWKrFZEuM0kGgGLxUOYcY4U/2Vjg44=
golang.org/x/time v0.0.0-20220210224613-90d013bbcef8/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/tools v0.13.0 h1:Iey4qkscZuv0VvIt8E0neZjtPVQFSc870HQ448QgEmQ=
golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
golang.org/x/mod v0.21.0 h1:vvrHzRwRfVKSiLrG+d4FMl/Qi4ukBCE6kZlTUkDYRT0=
golang.org/x/mod v0.21.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
golang.org/x/net v0.37.0 h1:1zLorHbz+LYj7MQlSf1+2tPIIgibq2eL5xkrGk6f+2c=
golang.org/x/net v0.37.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
golang.org/x/time v0.9.0 h1:EsRrnYcQiGH+5FfbgvV4AP7qEZstoyrHB0DzarOQ4ZY=
golang.org/x/time v0.9.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeunTOisW56dUokqW/FOteYJJ/yg=
golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gvisor.dev/gvisor v0.0.0-20230927004350-cbd86285d259 h1:TbRPT0HtzFP3Cno1zZo7yPzEEnfu8EjLfl6IU9VfqkQ=
gvisor.dev/gvisor v0.0.0-20230927004350-cbd86285d259/go.mod h1:AVgIgHMwK63XvmAzWG9vLQ41YnVHN0du0tEC46fI7yY=
gvisor.dev/gvisor v0.0.0-20250130013005-04f9204697c6 h1:6B7MdW3OEbJqOMr7cEYU9bkzvCjUBX/JlXk12xcANuQ=
gvisor.dev/gvisor v0.0.0-20250130013005-04f9204697c6/go.mod h1:5DMfjtclAbTIjbXqO1qCe2K5GKKxWz2JHvCChuTcJEM=

View file

@ -62,7 +62,7 @@ func init() {
func UAPIListen(name string) (net.Listener, error) {
listener, err := (&namedpipe.ListenConfig{
SecurityDescriptor: UAPISecurityDescriptor,
}).Listen(`\\.\pipe\ProtectedPrefix\Administrators\WireGuard\` + name)
}).Listen(`\\.\pipe\ProtectedPrefix\Administrators\AmneziaWG\` + name)
if err != nil {
return nil, err
}

60
main.go
View file

@ -33,7 +33,7 @@ const (
)
func printUsage() {
fmt.Printf("Usage: %s [-f/--foreground] [-u/--udptlspipe] INTERFACE-NAME\n", os.Args[0])
fmt.Printf("Usage: %s [-f/--foreground] INTERFACE-NAME\n", os.Args[0])
}
func warning() {
@ -46,49 +46,49 @@ func warning() {
return
}
fmt.Fprintln(os.Stderr, "┌──────────────────────────────────────────────────────┐")
fmt.Fprintln(os.Stderr, "│ │")
fmt.Fprintln(os.Stderr, "│ Running wireguard-go is not required because this │")
fmt.Fprintln(os.Stderr, "│ kernel has first class support for WireGuard. For │")
fmt.Fprintln(os.Stderr, "│ information on installing the kernel module, │")
fmt.Fprintln(os.Stderr, "│ please visit: │")
fmt.Fprintln(os.Stderr, "│ https://www.wireguard.com/install/ │")
fmt.Fprintln(os.Stderr, "│ │")
fmt.Fprintln(os.Stderr, "└──────────────────────────────────────────────────────┘")
fmt.Fprintln(os.Stderr, "┌──────────────────────────────────────────────────────────────┐")
fmt.Fprintln(os.Stderr, "│ │")
fmt.Fprintln(os.Stderr, "│ Running amneziawg-go is not required because this │")
fmt.Fprintln(os.Stderr, "│ kernel has first class support for AmneziaWG. For │")
fmt.Fprintln(os.Stderr, "│ information on installing the kernel module, │")
fmt.Fprintln(os.Stderr, "│ please visit: │")
fmt.Fprintln(os.Stderr, "| https://github.com/amnezia-vpn/amneziawg-linux-kernel-module │")
fmt.Fprintln(os.Stderr, "│ │")
fmt.Fprintln(os.Stderr, "└──────────────────────────────────────────────────────────────┘")
}
func main() {
if len(os.Args) == 2 && os.Args[1] == "--version" {
fmt.Printf("wireguard-go v%s\n\nUserspace WireGuard daemon for %s-%s.\nInformation available at https://www.wireguard.com.\nCopyright (C) Jason A. Donenfeld <Jason@zx2c4.com>.\n", Version, runtime.GOOS, runtime.GOARCH)
fmt.Printf("amneziawg-go %s\n\nUserspace AmneziaWG daemon for %s-%s.\nInformation available at https://amnezia.org\n", Version, runtime.GOOS, runtime.GOARCH)
return
}
warning()
var foreground = false
var udp = false
var interfaceName = ""
if len(os.Args) < 2 || len(os.Args) > 4 {
var foreground bool
var interfaceName string
if len(os.Args) < 2 || len(os.Args) > 3 {
printUsage()
return
}
for _, arg := range os.Args[1:] {
switch arg {
case "-f", "--foreground":
foreground = true
switch os.Args[1] {
case "-u", "--udp":
udp = true
default:
interfaceName = arg
case "-f", "--foreground":
foreground = true
if len(os.Args) != 3 {
printUsage()
return
}
}
interfaceName = os.Args[2]
if interfaceName == "" {
printUsage()
return
default:
foreground = false
if len(os.Args) != 2 {
printUsage()
return
}
interfaceName = os.Args[1]
}
if !foreground {
@ -145,7 +145,7 @@ func main() {
fmt.Sprintf("(%s) ", interfaceName),
)
logger.Verbosef("Starting wireguard-go version %s", Version)
logger.Verbosef("Starting amneziawg-go version %s", Version)
if err != nil {
logger.Errorf("Failed to create TUN device: %v", err)
@ -222,7 +222,7 @@ func main() {
return
}
device := device.NewDevice(tdev, conn.NewDefaultBind(), logger, udp)
device := device.NewDevice(tdev, conn.NewDefaultBind(), logger)
logger.Verbosef("Device started")

View file

@ -30,13 +30,13 @@ func main() {
}
interfaceName := os.Args[1]
fmt.Fprintln(os.Stderr, "Warning: this is a test program for Windows, mainly used for debugging this Go package. For a real WireGuard for Windows client, the repo you want is <https://git.zx2c4.com/wireguard-windows/>, which includes this code as a module.")
fmt.Fprintln(os.Stderr, "Warning: this is a test program for Windows, mainly used for debugging this Go package. For a real AmneziaWG for Windows client, please visit: https://amnezia.org")
logger := device.NewLogger(
device.LogLevelVerbose,
fmt.Sprintf("(%s) ", interfaceName),
)
logger.Verbosef("Starting wireguard-go version %s", Version)
logger.Verbosef("Starting amneziawg-go version %s", Version)
tun, err := tun.CreateTUN(interfaceName, 0)
if err == nil {
@ -49,7 +49,7 @@ func main() {
os.Exit(ExitSetupFailed)
}
device := device.NewDevice(tun, conn.NewDefaultBind(), logger, true)
device := device.NewDevice(tun, conn.NewDefaultBind(), logger)
err = device.Up()
if err != nil {
logger.Errorf("Failed to bring up device: %v", err)

View file

@ -26,7 +26,7 @@ func main() {
if err != nil {
log.Panic(err)
}
dev := device.NewDevice(tun, conn.NewDefaultBind(), device.NewLogger(device.LogLevelVerbose, ""), true)
dev := device.NewDevice(tun, conn.NewDefaultBind(), device.NewLogger(device.LogLevelVerbose, ""))
err = dev.IpcSet(`private_key=087ec6e14bbed210e7215cdc73468dfa23f080a1bfb8665b2fd809bd99d28379
public_key=c4c8e984c5322c8184c72265b92b250fdb63688705f504ba003c88f03393cf28
allowed_ip=0.0.0.0/0

View file

@ -28,7 +28,7 @@ func main() {
if err != nil {
log.Panic(err)
}
dev := device.NewDevice(tun, conn.NewDefaultBind(), device.NewLogger(device.LogLevelVerbose, ""), true)
dev := device.NewDevice(tun, conn.NewDefaultBind(), device.NewLogger(device.LogLevelVerbose, ""))
dev.IpcSet(`private_key=003ed5d73b55806c30de3f8a7bdab38af13539220533055e635690b8b87ad641
listen_port=58120
public_key=f928d4f6c1b86c12f2562c10b07c555c5c57fd00f59e90c8d8d88767271cbf7c

View file

@ -30,7 +30,7 @@ func main() {
if err != nil {
log.Panic(err)
}
dev := device.NewDevice(tun, conn.NewDefaultBind(), device.NewLogger(device.LogLevelVerbose, ""), true)
dev := device.NewDevice(tun, conn.NewDefaultBind(), device.NewLogger(device.LogLevelVerbose, ""))
dev.IpcSet(`private_key=a8dac1d8a70a751f0f699fb14ba1cff7b79cf4fbd8f09f44c6e6a90d0369604f
public_key=25123c5dcd3328ff645e4f2a3fce0d754400d3887a0cb7c56f0267e20fbf3c5b
endpoint=163.172.161.0:12912