mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-12-26 03:05:38 +08:00
133 lines
3.0 KiB
Go
133 lines
3.0 KiB
Go
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 "github.com/sagernet/wireguard-go/tun"
|
|
)
|
|
|
|
var _ Device = (*SystemDevice)(nil)
|
|
|
|
type SystemDevice struct {
|
|
dialer N.Dialer
|
|
device tun.Tun
|
|
name string
|
|
mtu int
|
|
events chan wgTun.Event
|
|
addr4 netip.Addr
|
|
addr6 netip.Addr
|
|
}
|
|
|
|
/*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.New(tun.Options{
|
|
Name: interfaceName,
|
|
Inet4Address: inet4Addresses,
|
|
Inet6Address: inet6Addresses,
|
|
MTU: mtu,
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var inet4Address netip.Addr
|
|
var inet6Address netip.Addr
|
|
if len(inet4Addresses) > 0 {
|
|
inet4Address = inet4Addresses[0].Addr()
|
|
}
|
|
if len(inet6Addresses) > 0 {
|
|
inet6Address = inet6Addresses[0].Addr()
|
|
}
|
|
return &SystemDevice{
|
|
dialer: dialer.NewDefault(router, option.DialerOptions{
|
|
BindInterface: interfaceName,
|
|
}),
|
|
device: tunInterface,
|
|
name: interfaceName,
|
|
mtu: int(mtu),
|
|
events: make(chan wgTun.Event),
|
|
addr4: inet4Address,
|
|
addr6: inet6Address,
|
|
}, 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) Inet4Address() netip.Addr {
|
|
return w.addr4
|
|
}
|
|
|
|
func (w *SystemDevice) Inet6Address() netip.Addr {
|
|
return w.addr6
|
|
}
|
|
|
|
func (w *SystemDevice) Start() error {
|
|
w.events <- wgTun.EventUp
|
|
return nil
|
|
}
|
|
|
|
func (w *SystemDevice) File() *os.File {
|
|
return nil
|
|
}
|
|
|
|
func (w *SystemDevice) Read(p []byte, offset int) (int, error) {
|
|
return w.device.Read(p[offset-tun.PacketOffset:])
|
|
}
|
|
|
|
func (w *SystemDevice) Write(p []byte, offset int) (int, error) {
|
|
return w.device.Write(p[offset:])
|
|
}
|
|
|
|
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()
|
|
}
|