draft: Windows auto redirect

go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/anthropics/anthropic-sdk-go v1.26.0
 	github.com/anytls/sing-anytls v0.0.11
 	github.com/caddyserver/certmagic v0.25.2
+	github.com/caddyserver/zerossl v0.1.5
 	github.com/coder/websocket v1.8.14
 	github.com/cretz/bine v0.2.0
 	github.com/database64128/tfo-go/v2 v2.3.2
@@ -19,6 +20,7 @@ require (
 	github.com/libdns/acmedns v0.5.0
 	github.com/libdns/alidns v1.0.6
 	github.com/libdns/cloudflare v0.2.2
+	github.com/libdns/libdns v1.1.1
 	github.com/logrusorgru/aurora v2.0.3+incompatible
 	github.com/mdlayher/netlink v1.9.0
 	github.com/metacubex/utls v1.8.4
@@ -41,7 +43,7 @@ require (
 	github.com/sagernet/sing-shadowsocks v0.2.8
 	github.com/sagernet/sing-shadowsocks2 v0.2.1
 	github.com/sagernet/sing-shadowtls v0.2.1-0.20250503051639-fcd445d33c11
-	github.com/sagernet/sing-tun v0.8.7-0.20260323120017-8eb4e8acfc2d
+	github.com/sagernet/sing-tun v0.8.7-0.20260327130747-85dc2d52a0b8
 	github.com/sagernet/sing-vmess v0.2.8-0.20250909125414-3aed155119a1
 	github.com/sagernet/smux v1.5.50-sing-box-mod.1
 	github.com/sagernet/tailscale v1.92.4-sing-box-1.13-mod.7
@@ -69,7 +71,6 @@ require (
 	github.com/akutz/memconn v0.1.0 // indirect
 	github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa // indirect
 	github.com/andybalholm/brotli v1.1.0 // indirect
-	github.com/caddyserver/zerossl v0.1.5 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/coreos/go-iptables v0.7.1-0.20240112124308-65c67c9f46e6 // indirect
 	github.com/database64128/netx-go v0.1.1 // indirect
@@ -96,7 +97,6 @@ require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/klauspost/compress v1.18.0 // indirect
 	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
-	github.com/libdns/libdns v1.1.1 // indirect
 	github.com/mdlayher/socket v0.5.1 // indirect
 	github.com/mitchellh/go-ps v1.0.0 // indirect
 	github.com/pierrec/lz4/v4 v4.1.21 // indirect

go.sum

@@ -248,8 +248,8 @@ github.com/sagernet/sing-shadowsocks2 v0.2.1 h1:dWV9OXCeFPuYGHb6IRqlSptVnSzOelnq
 github.com/sagernet/sing-shadowsocks2 v0.2.1/go.mod h1:RnXS0lExcDAovvDeniJ4IKa2IuChrdipolPYWBv9hWQ=
 github.com/sagernet/sing-shadowtls v0.2.1-0.20250503051639-fcd445d33c11 h1:tK+75l64tm9WvEFrYRE1t0YxoFdWQqw/h7Uhzj0vJ+w=
 github.com/sagernet/sing-shadowtls v0.2.1-0.20250503051639-fcd445d33c11/go.mod h1:sWqKnGlMipCHaGsw1sTTlimyUpgzP4WP3pjhCsYt9oA=
-github.com/sagernet/sing-tun v0.8.7-0.20260323120017-8eb4e8acfc2d h1:vi0j6301f6H8t2GYgAC2PA2AdnGdMwkP34B4+N03Qt4=
+github.com/sagernet/sing-tun v0.8.7-0.20260327130747-85dc2d52a0b8 h1:YxCs60xDya7R4NT+89v4Il+LjsSfCT/ceHegpe0xuls=
-github.com/sagernet/sing-tun v0.8.7-0.20260323120017-8eb4e8acfc2d/go.mod h1:pLCo4o+LacXEzz0bhwhJkKBjLlKOGPBNOAZ97ZVZWzs=
+github.com/sagernet/sing-tun v0.8.7-0.20260327130747-85dc2d52a0b8/go.mod h1:pLCo4o+LacXEzz0bhwhJkKBjLlKOGPBNOAZ97ZVZWzs=
 github.com/sagernet/sing-vmess v0.2.8-0.20250909125414-3aed155119a1 h1:aSwUNYUkVyVvdmBSufR8/nRFonwJeKSIROxHcm5br9o=
 github.com/sagernet/sing-vmess v0.2.8-0.20250909125414-3aed155119a1/go.mod h1:P11scgTxMxVVQ8dlM27yNm3Cro40mD0+gHbnqrNGDuY=
 github.com/sagernet/smux v1.5.50-sing-box-mod.1 h1:XkJcivBC9V4wBjiGXIXZ229aZCU1hzcbp6kSkkyQ478=

protocol/tailscale/endpoint.go

@@ -614,7 +614,7 @@ func (t *Endpoint) ListenPacket(ctx context.Context, destination M.Socksaddr) (n
 	return packetConn, nil
 }
 
-func (t *Endpoint) PrepareConnection(network string, source M.Socksaddr, destination M.Socksaddr, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error) {
+func (t *Endpoint) PrepareConnection(ctx context.Context, network string, source M.Socksaddr, destination M.Socksaddr, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error) {
 	tsFilter := t.filter.Load()
 	if tsFilter != nil {
 		var ipProto ipproto.Proto

protocol/tun/inbound.go

@@ -245,6 +245,7 @@ func NewInbound(ctx context.Context, router adapter.Router, logger log.ContextLo
 		inbound.autoRedirect, err = tun.NewAutoRedirect(tun.AutoRedirectOptions{
 			TunOptions:             &inbound.tunOptions,
 			Context:                ctx,
+			ConnContext:            log.ContextWithNewID,
 			Handler:                (*autoRedirectHandler)(inbound),
 			Logger:                 logger,
 			NetworkMonitor:         networkManager.NetworkMonitor(),
@@ -257,7 +258,7 @@ func NewInbound(ctx context.Context, router adapter.Router, logger log.ContextLo
 		if err != nil {
 			return nil, E.Cause(err, "initialize auto-redirect")
 		}
-		if !C.IsAndroid {
+		if C.IsLinux {
 			inbound.tunOptions.AutoRedirectMarkMode = true
 			err = networkManager.RegisterAutoRedirectOutputMark(inbound.tunOptions.AutoRedirectOutputMark)
 			if err != nil {
@@ -453,7 +454,7 @@ func (t *Inbound) Close() error {
 	)
 }
 
-func (t *Inbound) PrepareConnection(network string, source M.Socksaddr, destination M.Socksaddr, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error) {
+func (t *Inbound) PrepareConnection(ctx context.Context, network string, source M.Socksaddr, destination M.Socksaddr, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error) {
 	var ipVersion uint8
 	if !destination.IsIPv6() {
 		ipVersion = 4
@@ -511,21 +512,35 @@ func (t *Inbound) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn,
 
 type autoRedirectHandler Inbound
 
-func (t *autoRedirectHandler) PrepareConnection(network string, source M.Socksaddr, destination M.Socksaddr, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error) {
+func autoRedirectProcessInfoFromContext(ctx context.Context) *adapter.ConnectionOwner {
+	metadata := tun.AutoRedirectMetadataFromContext(ctx)
+	if metadata == nil {
+		return nil
+	}
+	return &adapter.ConnectionOwner{
+		ProcessID:   metadata.ProcessID,
+		ProcessPath: metadata.ProcessPath,
+		UserId:      metadata.UserId,
+	}
+}
+
+func (t *autoRedirectHandler) PrepareConnection(ctx context.Context, network string, source M.Socksaddr, destination M.Socksaddr, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error) {
 	var ipVersion uint8
 	if !destination.IsIPv6() {
 		ipVersion = 4
 	} else {
 		ipVersion = 6
 	}
-	routeDestination, err := t.router.PreMatch(adapter.InboundContext{
+	metadata := adapter.InboundContext{
 		Inbound:     t.tag,
 		InboundType: C.TypeTun,
 		IPVersion:   ipVersion,
 		Network:     network,
 		Source:      source,
 		Destination: destination,
-	}, routeContext, timeout, true)
+		ProcessInfo: autoRedirectProcessInfoFromContext(ctx),
+	}
+	routeDestination, err := t.router.PreMatch(metadata, routeContext, timeout, true)
 	if err != nil {
 		switch {
 		case rule.IsBypassed(err):
@@ -542,12 +557,12 @@ func (t *autoRedirectHandler) PrepareConnection(network string, source M.Socksad
 }
 
 func (t *autoRedirectHandler) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
-	ctx = log.ContextWithNewID(ctx)
 	var metadata adapter.InboundContext
 	metadata.Inbound = t.tag
 	metadata.InboundType = C.TypeTun
 	metadata.Source = source
 	metadata.Destination = destination
+	metadata.ProcessInfo = autoRedirectProcessInfoFromContext(ctx)
 
 	t.logger.InfoContext(ctx, "inbound redirect connection from ", metadata.Source)
 	t.logger.InfoContext(ctx, "inbound connection to ", metadata.Destination)

protocol/wireguard/endpoint.go

@@ -129,7 +129,7 @@ func (w *Endpoint) Close() error {
 	return w.endpoint.Close()
 }
 
-func (w *Endpoint) PrepareConnection(network string, source M.Socksaddr, destination M.Socksaddr, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error) {
+func (w *Endpoint) PrepareConnection(ctx context.Context, network string, source M.Socksaddr, destination M.Socksaddr, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error) {
 	var ipVersion uint8
 	if !destination.IsIPv6() {
 		ipVersion = 4

route/network.go

@@ -393,6 +393,9 @@ func (r *NetworkManager) AutoRedirectOutputMark() uint32 {
 }
 
 func (r *NetworkManager) AutoRedirectOutputMarkFunc() control.Func {
+	if !C.IsLinux || C.IsAndroid {
+		return nil
+	}
 	return func(network, address string, conn syscall.RawConn) error {
 		if r.autoRedirectOutputMark == 0 {
 			return nil