mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-22 00:21:30 +00:00
Refactor wireguard & add tun support
This commit is contained in:
世界
parent
8e7957d440
commit
cb4fea0240
|
|
@ -8,7 +8,6 @@
|
|||
"server": "127.0.0.1",
|
||||
"server_port": 1080,
|
||||
"local_address": [
|
||||
"10.0.0.1",
|
||||
"10.0.0.2/32"
|
||||
],
|
||||
"private_key": "YNXtAzepDqRv9H52osJVDQnznT5AM11eCK3ESpwSt04=",
|
||||
|
|
@ -43,7 +42,7 @@ The server port.
|
|||
|
||||
==Required==
|
||||
|
||||
List of IP (v4 or v6) addresses (optionally with CIDR masks) to be assigned to the interface.
|
||||
List of IP (v4 or v6) address prefixes to be assigned to the interface.
|
||||
|
||||
#### private_key
|
||||
|
||||
|
|
|
|||
|
|
@ -8,7 +8,6 @@
|
|||
"server": "127.0.0.1",
|
||||
"server_port": 1080,
|
||||
"local_address": [
|
||||
"10.0.0.1",
|
||||
"10.0.0.2/32"
|
||||
],
|
||||
"private_key": "YNXtAzepDqRv9H52osJVDQnznT5AM11eCK3ESpwSt04=",
|
||||
|
|
@ -45,7 +44,7 @@
|
|||
|
||||
接口的 IPv4/IPv6 地址或地址段的列表您。
|
||||
|
||||
要分配给接口的 IP（v4 或 v6）地址列表（可以选择带有 CIDR 掩码）。
|
||||
要分配给接口的 IP（v4 或 v6）地址段列表。
|
||||
|
||||
#### private_key
|
||||
|
||||
|
|
|
|||
|
|
@ -40,7 +40,7 @@ type Tun struct {
|
|||
func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.TunInboundOptions) (*Tun, error) {
|
||||
tunName := options.InterfaceName
|
||||
if tunName == "" {
|
||||
tunName = tun.DefaultInterfaceName()
|
||||
tunName = tun.CalculateInterfaceName("")
|
||||
}
|
||||
tunMTU := options.MTU
|
||||
if tunMTU == 0 {
|
||||
|
|
@ -77,8 +77,8 @@ func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger
|
|||
tunOptions: tun.Options{
|
||||
Name: tunName,
|
||||
MTU: tunMTU,
|
||||
Inet4Address: options.Inet4Address.Build(),
|
||||
Inet6Address: options.Inet6Address.Build(),
|
||||
Inet4Address: common.Map(options.Inet4Address, option.ListenPrefix.Build),
|
||||
Inet6Address: common.Map(options.Inet6Address, option.ListenPrefix.Build),
|
||||
AutoRoute: options.AutoRoute,
|
||||
StrictRoute: options.StrictRoute,
|
||||
IncludeUID: includeUID,
|
||||
|
|
@ -87,6 +87,7 @@ func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger
|
|||
IncludePackage: options.IncludePackage,
|
||||
ExcludePackage: options.ExcludePackage,
|
||||
InterfaceMonitor: router.InterfaceMonitor(),
|
||||
TableIndex: 2022,
|
||||
},
|
||||
endpointIndependentNat: options.EndpointIndependentNat,
|
||||
udpTimeout: udpTimeout,
|
||||
|
|
|
|||
|
|
@ -108,6 +108,7 @@ type DialerOptions struct {
|
|||
Detour string `json:"detour,omitempty"`
|
||||
BindInterface string `json:"bind_interface,omitempty"`
|
||||
BindAddress *ListenAddress `json:"bind_address,omitempty"`
|
||||
BindAddress6 *ListenAddress `json:"bind_address6,omitempty"`
|
||||
ProtectPath string `json:"protect_path,omitempty"`
|
||||
RoutingMark int `json:"routing_mark,omitempty"`
|
||||
ReuseAddr bool `json:"reuse_addr,omitempty"`
|
||||
|
|
|
|||
|
|
@ -3,8 +3,8 @@ package option
|
|||
type TunInboundOptions struct {
|
||||
InterfaceName string `json:"interface_name,omitempty"`
|
||||
MTU uint32 `json:"mtu,omitempty"`
|
||||
Inet4Address *ListenPrefix `json:"inet4_address,omitempty"`
|
||||
Inet6Address *ListenPrefix `json:"inet6_address,omitempty"`
|
||||
Inet4Address Listable[ListenPrefix] `json:"inet4_address,omitempty"`
|
||||
Inet6Address Listable[ListenPrefix] `json:"inet6_address,omitempty"`
|
||||
AutoRoute bool `json:"auto_route,omitempty"`
|
||||
StrictRoute bool `json:"strict_route,omitempty"`
|
||||
IncludeUID Listable[uint32] `json:"include_uid,omitempty"`
|
||||
|
|
|
|||
|
|
@ -184,9 +184,6 @@ func (p *ListenPrefix) UnmarshalJSON(bytes []byte) error {
|
|||
return nil
|
||||
}
|
||||
|
||||
func (p *ListenPrefix) Build() netip.Prefix {
|
||||
if p == nil {
|
||||
return netip.Prefix{}
|
||||
}
|
||||
return netip.Prefix(*p)
|
||||
func (p ListenPrefix) Build() netip.Prefix {
|
||||
return netip.Prefix(p)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -3,7 +3,9 @@ package option
|
|||
type WireGuardOutboundOptions struct {
|
||||
DialerOptions
|
||||
ServerOptions
|
||||
LocalAddress Listable[string] `json:"local_address"`
|
||||
SystemInterface bool `json:"system_interface,omitempty"`
|
||||
InterfaceName string `json:"interface_name,omitempty"`
|
||||
LocalAddress Listable[ListenPrefix] `json:"local_address"`
|
||||
PrivateKey string `json:"private_key"`
|
||||
PeerPublicKey string `json:"peer_public_key"`
|
||||
PreSharedKey string `json:"pre_shared_key,omitempty"`
|
||||
|
|
|
|||
|
|
@ -8,49 +8,30 @@ import (
|
|||
"encoding/hex"
|
||||
"fmt"
|
||||
"net"
|
||||
"net/netip"
|
||||
"os"
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"github.com/sagernet/sing-box/adapter"
|
||||
"github.com/sagernet/sing-box/common/dialer"
|
||||
C "github.com/sagernet/sing-box/constant"
|
||||
"github.com/sagernet/sing-box/log"
|
||||
"github.com/sagernet/sing-box/option"
|
||||
"github.com/sagernet/sing-box/transport/wireguard"
|
||||
"github.com/sagernet/sing/common"
|
||||
"github.com/sagernet/sing/common/debug"
|
||||
E "github.com/sagernet/sing/common/exceptions"
|
||||
M "github.com/sagernet/sing/common/metadata"
|
||||
N "github.com/sagernet/sing/common/network"
|
||||
|
||||
"golang.zx2c4.com/wireguard/conn"
|
||||
"golang.zx2c4.com/wireguard/device"
|
||||
"golang.zx2c4.com/wireguard/tun"
|
||||
"gvisor.dev/gvisor/pkg/bufferv2"
|
||||
"gvisor.dev/gvisor/pkg/tcpip"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/adapters/gonet"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/header"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/network/ipv4"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/network/ipv6"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/stack"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/transport/icmp"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
|
||||
)
|
||||
|
||||
var _ adapter.Outbound = (*WireGuard)(nil)
|
||||
|
||||
type WireGuard struct {
|
||||
myOutboundAdapter
|
||||
ctx context.Context
|
||||
serverAddr M.Socksaddr
|
||||
dialer N.Dialer
|
||||
endpoint conn.Endpoint
|
||||
bind *wireguard.ClientBind
|
||||
device *device.Device
|
||||
tunDevice *wireTunDevice
|
||||
connAccess sync.Mutex
|
||||
conn *wireConn
|
||||
tunDevice wireguard.Device
|
||||
}
|
||||
|
||||
func NewWireGuard(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.WireGuardOutboundOptions) (*WireGuard, error) {
|
||||
|
|
@ -62,39 +43,13 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
|
|||
logger: logger,
|
||||
tag: tag,
|
||||
},
|
||||
ctx: ctx,
|
||||
serverAddr: options.ServerOptions.Build(),
|
||||
dialer: dialer.New(router, options.DialerOptions),
|
||||
}
|
||||
var endpointIp netip.Addr
|
||||
if !outbound.serverAddr.IsFqdn() {
|
||||
endpointIp = outbound.serverAddr.Addr
|
||||
} else {
|
||||
endpointIp = netip.AddrFrom4([4]byte{127, 0, 0, 1})
|
||||
}
|
||||
outbound.endpoint = conn.StdNetEndpoint(netip.AddrPortFrom(endpointIp, outbound.serverAddr.Port))
|
||||
localAddress := make([]tcpip.AddressWithPrefix, len(options.LocalAddress))
|
||||
if len(localAddress) == 0 {
|
||||
peerAddr := options.ServerOptions.Build()
|
||||
outbound.bind = wireguard.NewClientBind(ctx, dialer.New(router, options.DialerOptions), peerAddr)
|
||||
localPrefixes := common.Map(options.LocalAddress, option.ListenPrefix.Build)
|
||||
if len(localPrefixes) == 0 {
|
||||
return nil, E.New("missing local address")
|
||||
}
|
||||
for index, address := range options.LocalAddress {
|
||||
if strings.Contains(address, "/") {
|
||||
prefix, err := netip.ParsePrefix(address)
|
||||
if err != nil {
|
||||
return nil, E.Cause(err, "parse local address prefix ", address)
|
||||
}
|
||||
localAddress[index] = tcpip.AddressWithPrefix{
|
||||
Address: tcpip.Address(prefix.Addr().AsSlice()),
|
||||
PrefixLen: prefix.Bits(),
|
||||
}
|
||||
} else {
|
||||
addr, err := netip.ParseAddr(address)
|
||||
if err != nil {
|
||||
return nil, E.Cause(err, "parse local address ", address)
|
||||
}
|
||||
localAddress[index] = tcpip.Address(addr.AsSlice()).WithPrefix()
|
||||
}
|
||||
}
|
||||
var privateKey, peerPublicKey, preSharedKey string
|
||||
{
|
||||
bytes, err := base64.StdEncoding.DecodeString(options.PrivateKey)
|
||||
|
|
@ -119,13 +74,13 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
|
|||
}
|
||||
ipcConf := "private_key=" + privateKey
|
||||
ipcConf += "\npublic_key=" + peerPublicKey
|
||||
ipcConf += "\nendpoint=" + outbound.endpoint.DstToString()
|
||||
ipcConf += "\nendpoint=" + peerAddr.String()
|
||||
if preSharedKey != "" {
|
||||
ipcConf += "\npreshared_key=" + preSharedKey
|
||||
}
|
||||
var has4, has6 bool
|
||||
for _, address := range localAddress {
|
||||
if address.Address.To4() != "" {
|
||||
for _, address := range localPrefixes {
|
||||
if address.Addr().Is4() {
|
||||
has4 = true
|
||||
} else {
|
||||
has6 = true
|
||||
|
|
@ -141,11 +96,17 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
|
|||
if mtu == 0 {
|
||||
mtu = 1408
|
||||
}
|
||||
wireDevice, err := newWireDevice(localAddress, mtu)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
var wireTunDevice wireguard.Device
|
||||
var err error
|
||||
if !options.SystemInterface {
|
||||
wireTunDevice, err = wireguard.NewStackDevice(localPrefixes, mtu)
|
||||
} else {
|
||||
wireTunDevice, err = wireguard.NewSystemDevice(router, options.InterfaceName, localPrefixes, mtu)
|
||||
}
|
||||
wgDevice := device.NewDevice(wireDevice, (*wireClientBind)(outbound), &device.Logger{
|
||||
if err != nil {
|
||||
return nil, E.Cause(err, "create WireGuard device")
|
||||
}
|
||||
wgDevice := device.NewDevice(wireTunDevice, outbound.bind, &device.Logger{
|
||||
Verbosef: func(format string, args ...interface{}) {
|
||||
logger.Debug(fmt.Sprintf(strings.ToLower(format), args...))
|
||||
},
|
||||
|
|
@ -161,7 +122,7 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
|
|||
return nil, E.Cause(err, "setup wireguard")
|
||||
}
|
||||
outbound.device = wgDevice
|
||||
outbound.tunDevice = wireDevice
|
||||
outbound.tunDevice = wireTunDevice
|
||||
return outbound, nil
|
||||
}
|
||||
|
||||
|
|
@ -172,54 +133,19 @@ func (w *WireGuard) DialContext(ctx context.Context, network string, destination
|
|||
case N.NetworkUDP:
|
||||
w.logger.InfoContext(ctx, "outbound packet connection to ", destination)
|
||||
}
|
||||
addr := tcpip.FullAddress{
|
||||
NIC: defaultNIC,
|
||||
Port: destination.Port,
|
||||
}
|
||||
if destination.IsFqdn() {
|
||||
addrs, err := w.router.LookupDefault(ctx, destination.Fqdn)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
addr.Addr = tcpip.Address(addrs[0].AsSlice())
|
||||
} else {
|
||||
addr.Addr = tcpip.Address(destination.Addr.AsSlice())
|
||||
}
|
||||
bind := tcpip.FullAddress{
|
||||
NIC: defaultNIC,
|
||||
}
|
||||
var networkProtocol tcpip.NetworkProtocolNumber
|
||||
if destination.IsIPv4() {
|
||||
networkProtocol = header.IPv4ProtocolNumber
|
||||
bind.Addr = w.tunDevice.addr4
|
||||
} else {
|
||||
networkProtocol = header.IPv6ProtocolNumber
|
||||
bind.Addr = w.tunDevice.addr6
|
||||
}
|
||||
switch N.NetworkName(network) {
|
||||
case N.NetworkTCP:
|
||||
return gonet.DialTCPWithBind(ctx, w.tunDevice.stack, bind, addr, networkProtocol)
|
||||
case N.NetworkUDP:
|
||||
return gonet.DialUDP(w.tunDevice.stack, &bind, &addr, networkProtocol)
|
||||
default:
|
||||
return nil, E.Extend(N.ErrUnknownNetwork, network)
|
||||
return N.DialSerial(ctx, w.tunDevice, network, destination, addrs)
|
||||
}
|
||||
return w.tunDevice.DialContext(ctx, network, destination)
|
||||
}
|
||||
|
||||
func (w *WireGuard) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
|
||||
w.logger.InfoContext(ctx, "outbound packet connection to ", destination)
|
||||
bind := tcpip.FullAddress{
|
||||
NIC: defaultNIC,
|
||||
}
|
||||
var networkProtocol tcpip.NetworkProtocolNumber
|
||||
if destination.IsIPv4() || w.tunDevice.addr6 == "" {
|
||||
networkProtocol = header.IPv4ProtocolNumber
|
||||
bind.Addr = w.tunDevice.addr4
|
||||
} else {
|
||||
networkProtocol = header.IPv6ProtocolNumber
|
||||
bind.Addr = w.tunDevice.addr6
|
||||
}
|
||||
return gonet.DialUDP(w.tunDevice.stack, &bind, nil, networkProtocol)
|
||||
return w.tunDevice.ListenPacket(ctx, destination)
|
||||
}
|
||||
|
||||
func (w *WireGuard) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
|
||||
|
|
@ -231,300 +157,13 @@ func (w *WireGuard) NewPacketConnection(ctx context.Context, conn N.PacketConn,
|
|||
}
|
||||
|
||||
func (w *WireGuard) Start() error {
|
||||
w.tunDevice.events <- tun.EventUp
|
||||
return nil
|
||||
return w.tunDevice.Start()
|
||||
}
|
||||
|
||||
func (w *WireGuard) Close() error {
|
||||
return common.Close(
|
||||
common.PtrOrNil(w.tunDevice),
|
||||
w.tunDevice,
|
||||
common.PtrOrNil(w.device),
|
||||
common.PtrOrNil(w.conn),
|
||||
common.PtrOrNil(w.bind),
|
||||
)
|
||||
}
|
||||
|
||||
var _ conn.Bind = (*wireClientBind)(nil)
|
||||
|
||||
type wireClientBind WireGuard
|
||||
|
||||
func (c *wireClientBind) connect() (*wireConn, error) {
|
||||
c.connAccess.Lock()
|
||||
defer c.connAccess.Unlock()
|
||||
if c.conn != nil {
|
||||
select {
|
||||
case <-c.conn.done:
|
||||
default:
|
||||
return c.conn, nil
|
||||
}
|
||||
}
|
||||
udpConn, err := c.dialer.DialContext(c.ctx, "udp", c.serverAddr)
|
||||
if err != nil {
|
||||
return nil, &wireError{err}
|
||||
}
|
||||
c.conn = &wireConn{
|
||||
Conn: udpConn,
|
||||
done: make(chan struct{}),
|
||||
}
|
||||
return c.conn, nil
|
||||
}
|
||||
|
||||
func (c *wireClientBind) Open(port uint16) (fns []conn.ReceiveFunc, actualPort uint16, err error) {
|
||||
return []conn.ReceiveFunc{c.receive}, 0, nil
|
||||
}
|
||||
|
||||
func (c *wireClientBind) receive(b []byte) (n int, ep conn.Endpoint, err error) {
|
||||
udpConn, err := c.connect()
|
||||
if err != nil {
|
||||
err = &wireError{err}
|
||||
return
|
||||
}
|
||||
n, err = udpConn.Read(b)
|
||||
if err != nil {
|
||||
udpConn.Close()
|
||||
err = &wireError{err}
|
||||
}
|
||||
ep = c.endpoint
|
||||
return
|
||||
}
|
||||
|
||||
func (c *wireClientBind) Close() error {
|
||||
c.connAccess.Lock()
|
||||
defer c.connAccess.Unlock()
|
||||
common.Close(common.PtrOrNil(c.conn))
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *wireClientBind) SetMark(mark uint32) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *wireClientBind) Send(b []byte, ep conn.Endpoint) error {
|
||||
udpConn, err := c.connect()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
_, err = udpConn.Write(b)
|
||||
if err != nil {
|
||||
udpConn.Close()
|
||||
}
|
||||
return err
|
||||
}
|
||||
|
||||
func (c *wireClientBind) ParseEndpoint(s string) (conn.Endpoint, error) {
|
||||
return c.endpoint, nil
|
||||
}
|
||||
|
||||
type wireError struct {
|
||||
cause error
|
||||
}
|
||||
|
||||
func (w *wireError) Error() string {
|
||||
return w.cause.Error()
|
||||
}
|
||||
|
||||
func (w *wireError) Timeout() bool {
|
||||
if cause, causeNet := w.cause.(net.Error); causeNet {
|
||||
return cause.Timeout()
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func (w *wireError) Temporary() bool {
|
||||
return true
|
||||
}
|
||||
|
||||
type wireConn struct {
|
||||
net.Conn
|
||||
access sync.Mutex
|
||||
done chan struct{}
|
||||
}
|
||||
|
||||
func (w *wireConn) Close() error {
|
||||
w.access.Lock()
|
||||
defer w.access.Unlock()
|
||||
select {
|
||||
case <-w.done:
|
||||
return net.ErrClosed
|
||||
default:
|
||||
}
|
||||
w.Conn.Close()
|
||||
close(w.done)
|
||||
return nil
|
||||
}
|
||||
|
||||
var _ tun.Device = (*wireTunDevice)(nil)
|
||||
|
||||
const defaultNIC tcpip.NICID = 1
|
||||
|
||||
type wireTunDevice struct {
|
||||
stack *stack.Stack
|
||||
mtu uint32
|
||||
events chan tun.Event
|
||||
outbound chan *stack.PacketBuffer
|
||||
dispatcher stack.NetworkDispatcher
|
||||
done chan struct{}
|
||||
addr4 tcpip.Address
|
||||
addr6 tcpip.Address
|
||||
}
|
||||
|
||||
func newWireDevice(localAddresses []tcpip.AddressWithPrefix, mtu uint32) (*wireTunDevice, error) {
|
||||
ipStack := stack.New(stack.Options{
|
||||
NetworkProtocols: []stack.NetworkProtocolFactory{ipv4.NewProtocol, ipv6.NewProtocol},
|
||||
TransportProtocols: []stack.TransportProtocolFactory{tcp.NewProtocol, udp.NewProtocol, icmp.NewProtocol4, icmp.NewProtocol6},
|
||||
HandleLocal: true,
|
||||
})
|
||||
tunDevice := &wireTunDevice{
|
||||
stack: ipStack,
|
||||
mtu: mtu,
|
||||
events: make(chan tun.Event, 4),
|
||||
outbound: make(chan *stack.PacketBuffer, 256),
|
||||
done: make(chan struct{}),
|
||||
}
|
||||
err := ipStack.CreateNIC(defaultNIC, (*wireEndpoint)(tunDevice))
|
||||
if err != nil {
|
||||
return nil, E.New(err.String())
|
||||
}
|
||||
for _, addr := range localAddresses {
|
||||
var protoAddr tcpip.ProtocolAddress
|
||||
if len(addr.Address) == net.IPv4len {
|
||||
tunDevice.addr4 = addr.Address
|
||||
protoAddr = tcpip.ProtocolAddress{
|
||||
Protocol: ipv4.ProtocolNumber,
|
||||
AddressWithPrefix: addr,
|
||||
}
|
||||
} else {
|
||||
tunDevice.addr6 = addr.Address
|
||||
protoAddr = tcpip.ProtocolAddress{
|
||||
Protocol: ipv6.ProtocolNumber,
|
||||
AddressWithPrefix: addr,
|
||||
}
|
||||
}
|
||||
err = ipStack.AddProtocolAddress(defaultNIC, protoAddr, stack.AddressProperties{})
|
||||
if err != nil {
|
||||
return nil, E.New("parse local address ", protoAddr.AddressWithPrefix, ": ", err.String())
|
||||
}
|
||||
}
|
||||
sOpt := tcpip.TCPSACKEnabled(true)
|
||||
ipStack.SetTransportProtocolOption(tcp.ProtocolNumber, &sOpt)
|
||||
cOpt := tcpip.CongestionControlOption("cubic")
|
||||
ipStack.SetTransportProtocolOption(tcp.ProtocolNumber, &cOpt)
|
||||
ipStack.AddRoute(tcpip.Route{Destination: header.IPv4EmptySubnet, NIC: defaultNIC})
|
||||
ipStack.AddRoute(tcpip.Route{Destination: header.IPv6EmptySubnet, NIC: defaultNIC})
|
||||
return tunDevice, nil
|
||||
}
|
||||
|
||||
func (w *wireTunDevice) File() *os.File {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (w *wireTunDevice) Read(p []byte, offset int) (n int, err error) {
|
||||
packetBuffer, ok := <-w.outbound
|
||||
if !ok {
|
||||
return 0, os.ErrClosed
|
||||
}
|
||||
defer packetBuffer.DecRef()
|
||||
p = p[offset:]
|
||||
for _, slice := range packetBuffer.AsSlices() {
|
||||
n += copy(p[n:], slice)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func (w *wireTunDevice) Write(p []byte, offset int) (n int, err error) {
|
||||
p = p[offset:]
|
||||
if len(p) == 0 {
|
||||
return
|
||||
}
|
||||
var networkProtocol tcpip.NetworkProtocolNumber
|
||||
switch header.IPVersion(p) {
|
||||
case header.IPv4Version:
|
||||
networkProtocol = header.IPv4ProtocolNumber
|
||||
case header.IPv6Version:
|
||||
networkProtocol = header.IPv6ProtocolNumber
|
||||
}
|
||||
packetBuffer := stack.NewPacketBuffer(stack.PacketBufferOptions{
|
||||
Payload: bufferv2.MakeWithData(p),
|
||||
})
|
||||
defer packetBuffer.DecRef()
|
||||
w.dispatcher.DeliverNetworkPacket(networkProtocol, packetBuffer)
|
||||
n = len(p)
|
||||
return
|
||||
}
|
||||
|
||||
func (w *wireTunDevice) Flush() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (w *wireTunDevice) MTU() (int, error) {
|
||||
return int(w.mtu), nil
|
||||
}
|
||||
|
||||
func (w *wireTunDevice) Name() (string, error) {
|
||||
return "sing-box", nil
|
||||
}
|
||||
|
||||
func (w *wireTunDevice) Events() chan tun.Event {
|
||||
return w.events
|
||||
}
|
||||
|
||||
func (w *wireTunDevice) Close() error {
|
||||
select {
|
||||
case <-w.done:
|
||||
return os.ErrClosed
|
||||
default:
|
||||
}
|
||||
close(w.done)
|
||||
w.stack.Close()
|
||||
for _, endpoint := range w.stack.CleanupEndpoints() {
|
||||
endpoint.Abort()
|
||||
}
|
||||
w.stack.Wait()
|
||||
close(w.outbound)
|
||||
return nil
|
||||
}
|
||||
|
||||
var _ stack.LinkEndpoint = (*wireEndpoint)(nil)
|
||||
|
||||
type wireEndpoint wireTunDevice
|
||||
|
||||
func (ep *wireEndpoint) MTU() uint32 {
|
||||
return ep.mtu
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) MaxHeaderLength() uint16 {
|
||||
return 0
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) LinkAddress() tcpip.LinkAddress {
|
||||
return ""
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) Capabilities() stack.LinkEndpointCapabilities {
|
||||
return stack.CapabilityNone
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) Attach(dispatcher stack.NetworkDispatcher) {
|
||||
ep.dispatcher = dispatcher
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) IsAttached() bool {
|
||||
return ep.dispatcher != nil
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) Wait() {
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) ARPHardwareType() header.ARPHardwareType {
|
||||
return header.ARPHardwareNone
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) AddHeader(buffer *stack.PacketBuffer) {
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) WritePackets(list stack.PacketBufferList) (int, tcpip.Error) {
|
||||
for _, packetBuffer := range list.AsSlice() {
|
||||
packetBuffer.IncRef()
|
||||
ep.outbound <- packetBuffer
|
||||
}
|
||||
return list.Len(), nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
[Interface]
|
||||
PrivateKey = gHWUGzTh5YCEV6k8dneVP537XhVtoQJPIlFNs2zsxlE=
|
||||
Address = 10.0.0.1/24
|
||||
Address = 10.0.0.1/32
|
||||
ListenPort = 10000
|
||||
|
||||
[Peer]
|
||||
|
|
|
|||
|
|
@ -2,6 +2,7 @@ package main
|
|||
|
||||
import (
|
||||
"net/netip"
|
||||
"os"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
|
|
@ -40,7 +41,7 @@ func TestWireGuard(t *testing.T) {
|
|||
Server: "127.0.0.1",
|
||||
ServerPort: serverPort,
|
||||
},
|
||||
LocalAddress: []string{"10.0.0.2/32"},
|
||||
LocalAddress: []option.ListenPrefix{option.ListenPrefix(netip.MustParsePrefix("10.0.0.2/32"))},
|
||||
PrivateKey: "qGnwlkZljMxeECW8fbwAWdvgntnbK7B8UmMFl3zM0mk=",
|
||||
PeerPublicKey: "QsdcBm+oJw2oNv0cIFXLIq1E850lgTBonup4qnKEQBg=",
|
||||
},
|
||||
|
|
@ -49,3 +50,49 @@ func TestWireGuard(t *testing.T) {
|
|||
})
|
||||
testSuitWg(t, clientPort, testPort)
|
||||
}
|
||||
|
||||
func TestWireGuardSystem(t *testing.T) {
|
||||
if os.Getuid() != 0 {
|
||||
t.Skip("requires root")
|
||||
}
|
||||
startDockerContainer(t, DockerOptions{
|
||||
Image: ImageBoringTun,
|
||||
Cap: []string{"MKNOD", "NET_ADMIN", "NET_RAW"},
|
||||
Ports: []uint16{serverPort, testPort},
|
||||
Bind: map[string]string{
|
||||
"wireguard.conf": "/etc/wireguard/wg0.conf",
|
||||
},
|
||||
Cmd: []string{"wg0"},
|
||||
})
|
||||
time.Sleep(5 * time.Second)
|
||||
startInstance(t, option.Options{
|
||||
Inbounds: []option.Inbound{
|
||||
{
|
||||
Type: C.TypeMixed,
|
||||
MixedOptions: option.HTTPMixedInboundOptions{
|
||||
ListenOptions: option.ListenOptions{
|
||||
Listen: option.ListenAddress(netip.IPv4Unspecified()),
|
||||
ListenPort: clientPort,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
Outbounds: []option.Outbound{
|
||||
{
|
||||
Type: C.TypeWireGuard,
|
||||
WireGuardOptions: option.WireGuardOutboundOptions{
|
||||
InterfaceName: "wg",
|
||||
ServerOptions: option.ServerOptions{
|
||||
Server: "127.0.0.1",
|
||||
ServerPort: serverPort,
|
||||
},
|
||||
LocalAddress: []option.ListenPrefix{option.ListenPrefix(netip.MustParsePrefix("10.0.0.2/32"))},
|
||||
PrivateKey: "qGnwlkZljMxeECW8fbwAWdvgntnbK7B8UmMFl3zM0mk=",
|
||||
PeerPublicKey: "QsdcBm+oJw2oNv0cIFXLIq1E850lgTBonup4qnKEQBg=",
|
||||
},
|
||||
},
|
||||
},
|
||||
})
|
||||
time.Sleep(10 * time.Second)
|
||||
testSuitWg(t, clientPort, testPort)
|
||||
}
|
||||
|
|
|
|||
132
transport/wireguard/client_bind.go
Normal file
132
transport/wireguard/client_bind.go
Normal file
|
|
@ -0,0 +1,132 @@
|
|||
package wireguard
|
||||
|
||||
import (
|
||||
"context"
|
||||
"net"
|
||||
"sync"
|
||||
|
||||
"github.com/sagernet/sing/common"
|
||||
M "github.com/sagernet/sing/common/metadata"
|
||||
N "github.com/sagernet/sing/common/network"
|
||||
|
||||
"golang.zx2c4.com/wireguard/conn"
|
||||
)
|
||||
|
||||
var _ conn.Bind = (*ClientBind)(nil)
|
||||
|
||||
type ClientBind struct {
|
||||
ctx context.Context
|
||||
dialer N.Dialer
|
||||
peerAddr M.Socksaddr
|
||||
connAccess sync.Mutex
|
||||
conn *wireConn
|
||||
}
|
||||
|
||||
func NewClientBind(ctx context.Context, dialer N.Dialer, peerAddr M.Socksaddr) *ClientBind {
|
||||
return &ClientBind{
|
||||
ctx: ctx,
|
||||
dialer: dialer,
|
||||
peerAddr: peerAddr,
|
||||
}
|
||||
}
|
||||
|
||||
func (c *ClientBind) connect() (*wireConn, error) {
|
||||
serverConn := c.conn
|
||||
if serverConn != nil {
|
||||
select {
|
||||
case <-serverConn.done:
|
||||
serverConn = nil
|
||||
default:
|
||||
return serverConn, nil
|
||||
}
|
||||
}
|
||||
c.connAccess.Lock()
|
||||
defer c.connAccess.Unlock()
|
||||
serverConn = c.conn
|
||||
if serverConn != nil {
|
||||
select {
|
||||
case <-serverConn.done:
|
||||
serverConn = nil
|
||||
default:
|
||||
return serverConn, nil
|
||||
}
|
||||
}
|
||||
udpConn, err := c.dialer.DialContext(c.ctx, "udp", c.peerAddr)
|
||||
if err != nil {
|
||||
return nil, &wireError{err}
|
||||
}
|
||||
c.conn = &wireConn{
|
||||
Conn: udpConn,
|
||||
done: make(chan struct{}),
|
||||
}
|
||||
return c.conn, nil
|
||||
}
|
||||
|
||||
func (c *ClientBind) Open(port uint16) (fns []conn.ReceiveFunc, actualPort uint16, err error) {
|
||||
return []conn.ReceiveFunc{c.receive}, 0, nil
|
||||
}
|
||||
|
||||
func (c *ClientBind) receive(b []byte) (n int, ep conn.Endpoint, err error) {
|
||||
udpConn, err := c.connect()
|
||||
if err != nil {
|
||||
err = &wireError{err}
|
||||
return
|
||||
}
|
||||
n, err = udpConn.Read(b)
|
||||
if err != nil {
|
||||
udpConn.Close()
|
||||
err = &wireError{err}
|
||||
}
|
||||
ep = Endpoint(c.peerAddr)
|
||||
return
|
||||
}
|
||||
|
||||
func (c *ClientBind) Close() error {
|
||||
c.connAccess.Lock()
|
||||
defer c.connAccess.Unlock()
|
||||
common.Close(common.PtrOrNil(c.conn))
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *ClientBind) SetMark(mark uint32) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *ClientBind) Send(b []byte, ep conn.Endpoint) error {
|
||||
udpConn, err := c.connect()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
_, err = udpConn.Write(b)
|
||||
if err != nil {
|
||||
udpConn.Close()
|
||||
}
|
||||
return err
|
||||
}
|
||||
|
||||
func (c *ClientBind) ParseEndpoint(s string) (conn.Endpoint, error) {
|
||||
return Endpoint(c.peerAddr), nil
|
||||
}
|
||||
|
||||
func (c *ClientBind) Endpoint() conn.Endpoint {
|
||||
return Endpoint(c.peerAddr)
|
||||
}
|
||||
|
||||
type wireConn struct {
|
||||
net.Conn
|
||||
access sync.Mutex
|
||||
done chan struct{}
|
||||
}
|
||||
|
||||
func (w *wireConn) Close() error {
|
||||
w.access.Lock()
|
||||
defer w.access.Unlock()
|
||||
select {
|
||||
case <-w.done:
|
||||
return net.ErrClosed
|
||||
default:
|
||||
}
|
||||
w.Conn.Close()
|
||||
close(w.done)
|
||||
return nil
|
||||
}
|
||||
14
transport/wireguard/device.go
Normal file
14
transport/wireguard/device.go
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
package wireguard
|
||||
|
||||
import (
|
||||
N "github.com/sagernet/sing/common/network"
|
||||
|
||||
"golang.zx2c4.com/wireguard/tun"
|
||||
)
|
||||
|
||||
type Device interface {
|
||||
tun.Device
|
||||
N.Dialer
|
||||
Start() error
|
||||
// NewEndpoint() (stack.LinkEndpoint, error)
|
||||
}
|
||||
254
transport/wireguard/device_stack.go
Normal file
254
transport/wireguard/device_stack.go
Normal file
|
|
@ -0,0 +1,254 @@
|
|||
//go:build !no_gvisor
|
||||
|
||||
package wireguard
|
||||
|
||||
import (
|
||||
"context"
|
||||
"net"
|
||||
"net/netip"
|
||||
"os"
|
||||
|
||||
E "github.com/sagernet/sing/common/exceptions"
|
||||
M "github.com/sagernet/sing/common/metadata"
|
||||
N "github.com/sagernet/sing/common/network"
|
||||
|
||||
"golang.zx2c4.com/wireguard/tun"
|
||||
"gvisor.dev/gvisor/pkg/bufferv2"
|
||||
"gvisor.dev/gvisor/pkg/tcpip"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/adapters/gonet"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/header"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/network/ipv4"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/network/ipv6"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/stack"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/transport/icmp"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
|
||||
"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
|
||||
)
|
||||
|
||||
var _ Device = (*StackDevice)(nil)
|
||||
|
||||
const defaultNIC tcpip.NICID = 1
|
||||
|
||||
type StackDevice struct {
|
||||
stack *stack.Stack
|
||||
mtu uint32
|
||||
events chan tun.Event
|
||||
outbound chan *stack.PacketBuffer
|
||||
dispatcher stack.NetworkDispatcher
|
||||
done chan struct{}
|
||||
addr4 tcpip.Address
|
||||
addr6 tcpip.Address
|
||||
}
|
||||
|
||||
func NewStackDevice(localAddresses []netip.Prefix, mtu uint32) (*StackDevice, error) {
|
||||
ipStack := stack.New(stack.Options{
|
||||
NetworkProtocols: []stack.NetworkProtocolFactory{ipv4.NewProtocol, ipv6.NewProtocol},
|
||||
TransportProtocols: []stack.TransportProtocolFactory{tcp.NewProtocol, udp.NewProtocol, icmp.NewProtocol4, icmp.NewProtocol6},
|
||||
HandleLocal: true,
|
||||
})
|
||||
tunDevice := &StackDevice{
|
||||
stack: ipStack,
|
||||
mtu: mtu,
|
||||
events: make(chan tun.Event, 1),
|
||||
outbound: make(chan *stack.PacketBuffer, 256),
|
||||
done: make(chan struct{}),
|
||||
}
|
||||
err := ipStack.CreateNIC(defaultNIC, (*wireEndpoint)(tunDevice))
|
||||
if err != nil {
|
||||
return nil, E.New(err.String())
|
||||
}
|
||||
for _, prefix := range localAddresses {
|
||||
addr := tcpip.Address(prefix.Addr().AsSlice())
|
||||
protoAddr := tcpip.ProtocolAddress{
|
||||
AddressWithPrefix: tcpip.AddressWithPrefix{
|
||||
Address: addr,
|
||||
PrefixLen: prefix.Bits(),
|
||||
},
|
||||
}
|
||||
if prefix.Addr().Is4() {
|
||||
tunDevice.addr4 = addr
|
||||
protoAddr.Protocol = ipv4.ProtocolNumber
|
||||
} else {
|
||||
tunDevice.addr6 = addr
|
||||
protoAddr.Protocol = ipv6.ProtocolNumber
|
||||
}
|
||||
err = ipStack.AddProtocolAddress(defaultNIC, protoAddr, stack.AddressProperties{})
|
||||
if err != nil {
|
||||
return nil, E.New("parse local address ", protoAddr.AddressWithPrefix, ": ", err.String())
|
||||
}
|
||||
}
|
||||
sOpt := tcpip.TCPSACKEnabled(true)
|
||||
ipStack.SetTransportProtocolOption(tcp.ProtocolNumber, &sOpt)
|
||||
cOpt := tcpip.CongestionControlOption("cubic")
|
||||
ipStack.SetTransportProtocolOption(tcp.ProtocolNumber, &cOpt)
|
||||
ipStack.AddRoute(tcpip.Route{Destination: header.IPv4EmptySubnet, NIC: defaultNIC})
|
||||
ipStack.AddRoute(tcpip.Route{Destination: header.IPv6EmptySubnet, NIC: defaultNIC})
|
||||
return tunDevice, nil
|
||||
}
|
||||
|
||||
func (w *StackDevice) NewEndpoint() (stack.LinkEndpoint, error) {
|
||||
return (*wireEndpoint)(w), nil
|
||||
}
|
||||
|
||||
func (w *StackDevice) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
|
||||
addr := tcpip.FullAddress{
|
||||
NIC: defaultNIC,
|
||||
Port: destination.Port,
|
||||
Addr: tcpip.Address(destination.Addr.AsSlice()),
|
||||
}
|
||||
bind := tcpip.FullAddress{
|
||||
NIC: defaultNIC,
|
||||
}
|
||||
var networkProtocol tcpip.NetworkProtocolNumber
|
||||
if destination.IsIPv4() {
|
||||
networkProtocol = header.IPv4ProtocolNumber
|
||||
bind.Addr = w.addr4
|
||||
} else {
|
||||
networkProtocol = header.IPv6ProtocolNumber
|
||||
bind.Addr = w.addr6
|
||||
}
|
||||
switch N.NetworkName(network) {
|
||||
case N.NetworkTCP:
|
||||
return gonet.DialTCPWithBind(ctx, w.stack, bind, addr, networkProtocol)
|
||||
case N.NetworkUDP:
|
||||
return gonet.DialUDP(w.stack, &bind, &addr, networkProtocol)
|
||||
default:
|
||||
return nil, E.Extend(N.ErrUnknownNetwork, network)
|
||||
}
|
||||
}
|
||||
|
||||
func (w *StackDevice) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
|
||||
bind := tcpip.FullAddress{
|
||||
NIC: defaultNIC,
|
||||
}
|
||||
var networkProtocol tcpip.NetworkProtocolNumber
|
||||
if destination.IsIPv4() || w.addr6 == "" {
|
||||
networkProtocol = header.IPv4ProtocolNumber
|
||||
bind.Addr = w.addr4
|
||||
} else {
|
||||
networkProtocol = header.IPv6ProtocolNumber
|
||||
bind.Addr = w.addr6
|
||||
}
|
||||
return gonet.DialUDP(w.stack, &bind, nil, networkProtocol)
|
||||
}
|
||||
|
||||
func (w *StackDevice) Start() error {
|
||||
w.events <- tun.EventUp
|
||||
return nil
|
||||
}
|
||||
|
||||
func (w *StackDevice) File() *os.File {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (w *StackDevice) Read(p []byte, offset int) (n int, err error) {
|
||||
packetBuffer, ok := <-w.outbound
|
||||
if !ok {
|
||||
return 0, os.ErrClosed
|
||||
}
|
||||
defer packetBuffer.DecRef()
|
||||
p = p[offset:]
|
||||
for _, slice := range packetBuffer.AsSlices() {
|
||||
n += copy(p[n:], slice)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func (w *StackDevice) Write(p []byte, offset int) (n int, err error) {
|
||||
p = p[offset:]
|
||||
if len(p) == 0 {
|
||||
return
|
||||
}
|
||||
var networkProtocol tcpip.NetworkProtocolNumber
|
||||
switch header.IPVersion(p) {
|
||||
case header.IPv4Version:
|
||||
networkProtocol = header.IPv4ProtocolNumber
|
||||
case header.IPv6Version:
|
||||
networkProtocol = header.IPv6ProtocolNumber
|
||||
}
|
||||
packetBuffer := stack.NewPacketBuffer(stack.PacketBufferOptions{
|
||||
Payload: bufferv2.MakeWithData(p),
|
||||
})
|
||||
defer packetBuffer.DecRef()
|
||||
w.dispatcher.DeliverNetworkPacket(networkProtocol, packetBuffer)
|
||||
n = len(p)
|
||||
return
|
||||
}
|
||||
|
||||
func (w *StackDevice) Flush() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (w *StackDevice) MTU() (int, error) {
|
||||
return int(w.mtu), nil
|
||||
}
|
||||
|
||||
func (w *StackDevice) Name() (string, error) {
|
||||
return "sing-box", nil
|
||||
}
|
||||
|
||||
func (w *StackDevice) Events() chan tun.Event {
|
||||
return w.events
|
||||
}
|
||||
|
||||
func (w *StackDevice) Close() error {
|
||||
select {
|
||||
case <-w.done:
|
||||
return os.ErrClosed
|
||||
default:
|
||||
}
|
||||
close(w.done)
|
||||
w.stack.Close()
|
||||
for _, endpoint := range w.stack.CleanupEndpoints() {
|
||||
endpoint.Abort()
|
||||
}
|
||||
w.stack.Wait()
|
||||
close(w.outbound)
|
||||
return nil
|
||||
}
|
||||
|
||||
var _ stack.LinkEndpoint = (*wireEndpoint)(nil)
|
||||
|
||||
type wireEndpoint StackDevice
|
||||
|
||||
func (ep *wireEndpoint) MTU() uint32 {
|
||||
return ep.mtu
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) MaxHeaderLength() uint16 {
|
||||
return 0
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) LinkAddress() tcpip.LinkAddress {
|
||||
return ""
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) Capabilities() stack.LinkEndpointCapabilities {
|
||||
return stack.CapabilityNone
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) Attach(dispatcher stack.NetworkDispatcher) {
|
||||
ep.dispatcher = dispatcher
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) IsAttached() bool {
|
||||
return ep.dispatcher != nil
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) Wait() {
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) ARPHardwareType() header.ARPHardwareType {
|
||||
return header.ARPHardwareNone
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) AddHeader(buffer *stack.PacketBuffer) {
|
||||
}
|
||||
|
||||
func (ep *wireEndpoint) WritePackets(list stack.PacketBufferList) (int, tcpip.Error) {
|
||||
for _, packetBuffer := range list.AsSlice() {
|
||||
packetBuffer.IncRef()
|
||||
ep.outbound <- packetBuffer
|
||||
}
|
||||
return list.Len(), nil
|
||||
}
|
||||
9
transport/wireguard/device_stack_stub.go
Normal file
9
transport/wireguard/device_stack_stub.go
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
//go:build no_gvisor
|
||||
|
||||
package wireguard
|
||||
|
||||
import "github.com/sagernet/sing-tun"
|
||||
|
||||
func NewStackDevice(localAddresses []netip.Prefix, mtu uint32) (Device, error) {
|
||||
return nil, tun.ErrGVisorNotIncluded
|
||||
}
|
||||
110
transport/wireguard/device_system.go
Normal file
110
transport/wireguard/device_system.go
Normal file
|
|
@ -0,0 +1,110 @@
|
|||
package wireguard
|
||||
|
||||
import (
|
||||
"context"
|
||||
"net"
|
||||
"net/netip"
|
||||
"os"
|
||||
|
||||
"github.com/sagernet/sing-box/adapter"
|
||||
"github.com/sagernet/sing-box/common/dialer"
|
||||
"github.com/sagernet/sing-box/option"
|
||||
"github.com/sagernet/sing-tun"
|
||||
M "github.com/sagernet/sing/common/metadata"
|
||||
N "github.com/sagernet/sing/common/network"
|
||||
|
||||
wgTun "golang.zx2c4.com/wireguard/tun"
|
||||
)
|
||||
|
||||
var _ Device = (*SystemDevice)(nil)
|
||||
|
||||
type SystemDevice struct {
|
||||
dialer N.Dialer
|
||||
device tun.Tun
|
||||
name string
|
||||
mtu int
|
||||
events chan wgTun.Event
|
||||
}
|
||||
|
||||
/*func (w *SystemDevice) NewEndpoint() (stack.LinkEndpoint, error) {
|
||||
gTun, isGTun := w.device.(tun.GVisorTun)
|
||||
if !isGTun {
|
||||
return nil, tun.ErrGVisorUnsupported
|
||||
}
|
||||
return gTun.NewEndpoint()
|
||||
}*/
|
||||
|
||||
func NewSystemDevice(router adapter.Router, interfaceName string, localPrefixes []netip.Prefix, mtu uint32) (*SystemDevice, error) {
|
||||
var inet4Addresses []netip.Prefix
|
||||
var inet6Addresses []netip.Prefix
|
||||
for _, prefixes := range localPrefixes {
|
||||
if prefixes.Addr().Is4() {
|
||||
inet4Addresses = append(inet4Addresses, prefixes)
|
||||
} else {
|
||||
inet6Addresses = append(inet6Addresses, prefixes)
|
||||
}
|
||||
}
|
||||
if interfaceName == "" {
|
||||
interfaceName = tun.CalculateInterfaceName("wg")
|
||||
}
|
||||
tunInterface, err := tun.Open(tun.Options{
|
||||
Name: interfaceName,
|
||||
Inet4Address: inet4Addresses,
|
||||
Inet6Address: inet6Addresses,
|
||||
MTU: mtu,
|
||||
})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &SystemDevice{
|
||||
dialer.NewDefault(router, option.DialerOptions{
|
||||
BindInterface: interfaceName,
|
||||
}),
|
||||
tunInterface, interfaceName, int(mtu), make(chan wgTun.Event),
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (w *SystemDevice) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
|
||||
return w.dialer.DialContext(ctx, network, destination)
|
||||
}
|
||||
|
||||
func (w *SystemDevice) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
|
||||
return w.dialer.ListenPacket(ctx, destination)
|
||||
}
|
||||
|
||||
func (w *SystemDevice) Start() error {
|
||||
w.events <- wgTun.EventUp
|
||||
return nil
|
||||
}
|
||||
|
||||
func (w *SystemDevice) File() *os.File {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (w *SystemDevice) Read(bytes []byte, index int) (int, error) {
|
||||
return w.device.Read(bytes[index-tunPacketOffset:])
|
||||
}
|
||||
|
||||
func (w *SystemDevice) Write(bytes []byte, index int) (int, error) {
|
||||
return w.device.Write(bytes[index:])
|
||||
}
|
||||
|
||||
func (w *SystemDevice) Flush() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (w *SystemDevice) MTU() (int, error) {
|
||||
return w.mtu, nil
|
||||
}
|
||||
|
||||
func (w *SystemDevice) Name() (string, error) {
|
||||
return w.name, nil
|
||||
}
|
||||
|
||||
func (w *SystemDevice) Events() chan wgTun.Event {
|
||||
return w.events
|
||||
}
|
||||
|
||||
func (w *SystemDevice) Close() error {
|
||||
return w.device.Close()
|
||||
}
|
||||
37
transport/wireguard/endpoint.go
Normal file
37
transport/wireguard/endpoint.go
Normal file
|
|
@ -0,0 +1,37 @@
|
|||
package wireguard
|
||||
|
||||
import (
|
||||
"net/netip"
|
||||
|
||||
M "github.com/sagernet/sing/common/metadata"
|
||||
|
||||
"golang.zx2c4.com/wireguard/conn"
|
||||
)
|
||||
|
||||
var _ conn.Endpoint = (*Endpoint)(nil)
|
||||
|
||||
type Endpoint M.Socksaddr
|
||||
|
||||
func (e Endpoint) ClearSrc() {
|
||||
}
|
||||
|
||||
func (e Endpoint) SrcToString() string {
|
||||
return ""
|
||||
}
|
||||
|
||||
func (e Endpoint) DstToString() string {
|
||||
return (M.Socksaddr)(e).String()
|
||||
}
|
||||
|
||||
func (e Endpoint) DstToBytes() []byte {
|
||||
b, _ := (M.Socksaddr)(e).AddrPort().MarshalBinary()
|
||||
return b
|
||||
}
|
||||
|
||||
func (e Endpoint) DstIP() netip.Addr {
|
||||
return (M.Socksaddr)(e).Addr
|
||||
}
|
||||
|
||||
func (e Endpoint) SrcIP() netip.Addr {
|
||||
return netip.Addr{}
|
||||
}
|
||||
22
transport/wireguard/error.go
Normal file
22
transport/wireguard/error.go
Normal file
|
|
@ -0,0 +1,22 @@
|
|||
package wireguard
|
||||
|
||||
import "net"
|
||||
|
||||
type wireError struct {
|
||||
cause error
|
||||
}
|
||||
|
||||
func (w *wireError) Error() string {
|
||||
return w.cause.Error()
|
||||
}
|
||||
|
||||
func (w *wireError) Timeout() bool {
|
||||
if cause, causeNet := w.cause.(net.Error); causeNet {
|
||||
return cause.Timeout()
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func (w *wireError) Temporary() bool {
|
||||
return true
|
||||
}
|
||||
96
transport/wireguard/server_bind.go
Normal file
96
transport/wireguard/server_bind.go
Normal file
|
|
@ -0,0 +1,96 @@
|
|||
package wireguard
|
||||
|
||||
import (
|
||||
"io"
|
||||
|
||||
"github.com/sagernet/sing/common/buf"
|
||||
E "github.com/sagernet/sing/common/exceptions"
|
||||
M "github.com/sagernet/sing/common/metadata"
|
||||
N "github.com/sagernet/sing/common/network"
|
||||
|
||||
"golang.zx2c4.com/wireguard/conn"
|
||||
)
|
||||
|
||||
var _ conn.Bind = (*ServerBind)(nil)
|
||||
|
||||
type ServerBind struct {
|
||||
inbound chan serverPacket
|
||||
done chan struct{}
|
||||
writeBack N.PacketWriter
|
||||
}
|
||||
|
||||
func NewServerBind(writeBack N.PacketWriter) *ServerBind {
|
||||
return &ServerBind{
|
||||
inbound: make(chan serverPacket, 256),
|
||||
done: make(chan struct{}),
|
||||
writeBack: writeBack,
|
||||
}
|
||||
}
|
||||
|
||||
func (s *ServerBind) Abort() error {
|
||||
select {
|
||||
case <-s.done:
|
||||
return io.ErrClosedPipe
|
||||
default:
|
||||
close(s.done)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
type serverPacket struct {
|
||||
buffer *buf.Buffer
|
||||
source M.Socksaddr
|
||||
}
|
||||
|
||||
func (s *ServerBind) Open(port uint16) (fns []conn.ReceiveFunc, actualPort uint16, err error) {
|
||||
fns = []conn.ReceiveFunc{s.receive}
|
||||
return
|
||||
}
|
||||
|
||||
func (s *ServerBind) receive(b []byte) (n int, ep conn.Endpoint, err error) {
|
||||
select {
|
||||
case packet := <-s.inbound:
|
||||
defer packet.buffer.Release()
|
||||
n = copy(b, packet.buffer.Bytes())
|
||||
ep = Endpoint(packet.source)
|
||||
return
|
||||
case <-s.done:
|
||||
err = io.ErrClosedPipe
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
func (s *ServerBind) WriteIsThreadUnsafe() {
|
||||
}
|
||||
|
||||
func (s *ServerBind) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
|
||||
select {
|
||||
case s.inbound <- serverPacket{
|
||||
buffer: buffer,
|
||||
source: destination,
|
||||
}:
|
||||
return nil
|
||||
case <-s.done:
|
||||
return io.ErrClosedPipe
|
||||
}
|
||||
}
|
||||
|
||||
func (s *ServerBind) Close() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *ServerBind) SetMark(mark uint32) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *ServerBind) Send(b []byte, ep conn.Endpoint) error {
|
||||
return s.writeBack.WritePacket(buf.As(b), M.Socksaddr(ep.(Endpoint)))
|
||||
}
|
||||
|
||||
func (s *ServerBind) ParseEndpoint(addr string) (conn.Endpoint, error) {
|
||||
destination := M.ParseSocksaddr(addr)
|
||||
if !destination.IsValid() || destination.Port == 0 {
|
||||
return nil, E.New("invalid endpoint: ", addr)
|
||||
}
|
||||
return Endpoint(destination), nil
|
||||
}
|
||||
3
transport/wireguard/tun_darwin.go
Normal file
3
transport/wireguard/tun_darwin.go
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
package wireguard
|
||||
|
||||
const tunPacketOffset = 4
|
||||
5
transport/wireguard/tun_nondarwin.go
Normal file
5
transport/wireguard/tun_nondarwin.go
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
//go:build !darwin
|
||||
|
||||
package wireguard
|
||||
|
||||
const tunPacketOffset = 0
|
||||
Loading…
Reference in a new issue