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Add auto_route and auto_detect_interface for linux

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This commit is contained in:
世界
2022-07-10 08:18:52 +08:00
parent 4432cc2253
commit 638f8a52d1
16 changed files with 318 additions and 20 deletions
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18
inbound/tun.go
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@@ -32,8 +32,9 @@ type Tun struct {
logger log.Logger
options option.TunInboundOptions
tunFd uintptr
tun *tun.GVisorTun
tunName string
tunFd uintptr
tun *tun.GVisorTun
}
func NewTun(ctx context.Context, router adapter.Router, logger log.Logger, tag string, options option.TunInboundOptions) (*Tun, error) {
@@ -70,10 +71,11 @@ func (t *Tun) Start() error {
if err != nil {
return E.Cause(err, "create tun interface")
}
err = tun.Configure(tunName, netip.Prefix(t.options.Inet4Address), netip.Prefix(t.options.Inet6Address), mtu)
err = tun.Configure(tunName, netip.Prefix(t.options.Inet4Address), netip.Prefix(t.options.Inet6Address), mtu, t.options.AutoRoute)
if err != nil {
return E.Cause(err, "configure tun interface")
}
t.tunName = tunName
t.tunFd = tunFd
t.tun = tun.NewGVisor(t.ctx, tunFd, mtu, t)
err = t.tun.Start()
@@ -85,6 +87,10 @@ func (t *Tun) Start() error {
}
func (t *Tun) Close() error {
err := tun.UnConfigure(t.tunName, netip.Prefix(t.options.Inet4Address), netip.Prefix(t.options.Inet6Address), t.options.AutoRoute)
if err != nil {
return err
}
return E.Errors(
t.tun.Close(),
os.NewFile(t.tunFd, "tun").Close(),
@@ -99,6 +105,9 @@ func (t *Tun) NewConnection(ctx context.Context, conn net.Conn, upstreamMetadata
metadata.Network = C.NetworkTCP
metadata.Source = upstreamMetadata.Source
metadata.Destination = upstreamMetadata.Destination
metadata.SniffEnabled = t.options.SniffEnabled
metadata.SniffOverrideDestination = t.options.SniffOverrideDestination
metadata.DomainStrategy = C.DomainStrategy(t.options.DomainStrategy)
return t.router.RouteConnection(ctx, conn, metadata)
}
@@ -110,6 +119,9 @@ func (t *Tun) NewPacketConnection(ctx context.Context, conn N.PacketConn, upstre
metadata.Network = C.NetworkUDP
metadata.Source = upstreamMetadata.Source
metadata.Destination = upstreamMetadata.Destination
metadata.SniffEnabled = t.options.SniffEnabled
metadata.SniffOverrideDestination = t.options.SniffOverrideDestination
metadata.DomainStrategy = C.DomainStrategy(t.options.DomainStrategy)
return t.router.RoutePacketConnection(ctx, conn, metadata)
}