From 987e25e7acd6544fe04445a755dd9ad7f5a55a22 Mon Sep 17 00:00:00 2001
From: Chang lue Tsen <tension@ppanel.dev>
Date: Thu, 3 Jul 2025 14:45:42 -0400
Subject: [PATCH] fix(tuic): add additional configuration options for SNI, RTT
 reduction, UDP relay, and congestion control

---
 apis/types.api              |  4 ++++
 internal/types/types.go     |  8 ++++++--
 pkg/adapter/clash/parse.go  | 22 ++++++++++++++--------
 pkg/adapter/general/uri.go  |  3 ++-
 pkg/adapter/proxy/proxy.go  | 20 +++++++++++++++++---
 pkg/adapter/singbox/tuic.go |  4 +++-
 6 files changed, 46 insertions(+), 15 deletions(-)

diff --git a/apis/types.api b/apis/types.api
index b24c445..6d32976 100644
--- a/apis/types.api
+++ b/apis/types.api
@@ -247,6 +247,10 @@ type (
 	}
 	Tuic {
 		Port           int            `json:"port" validate:"required"`
+		DisableSNI  bool   `json:"disable_sni"`
+		ReduceRtt   bool   `json:"reduce_rtt"`
+		UDPRelayMode string `json:"udp_relay_mode"`
+		CongestionController string `json:"congestion_controller"`
 		SecurityConfig SecurityConfig `json:"security_config"`
 	}
 	SecurityConfig {
diff --git a/internal/types/types.go b/internal/types/types.go
index 4f622b5..ad8157c 100644
--- a/internal/types/types.go
+++ b/internal/types/types.go
@@ -1803,8 +1803,12 @@ type TrojanProtocol struct {
 }
 
 type Tuic struct {
-	Port           int            `json:"port" validate:"required"`
-	SecurityConfig SecurityConfig `json:"security_config"`
+	Port                 int            `json:"port" validate:"required"`
+	DisableSNI           bool           `json:"disable_sni"`
+	ReduceRtt            bool           `json:"reduce_rtt"`
+	UDPRelayMode         string         `json:"udp_relay_mode"`
+	CongestionController string         `json:"congestion_controller"`
+	SecurityConfig       SecurityConfig `json:"security_config"`
 }
 
 type UnbindOAuthRequest struct {
diff --git a/pkg/adapter/clash/parse.go b/pkg/adapter/clash/parse.go
index acc16aa..b0bf6fa 100644
--- a/pkg/adapter/clash/parse.go
+++ b/pkg/adapter/clash/parse.go
@@ -116,15 +116,21 @@ func parseTuic(data proxy.Proxy, uuid string) (*Proxy, error) {
 	if !ok {
 		return nil, fmt.Errorf("invalid type for Tuic")
 	}
+
 	p := &Proxy{
-		Name:           data.Name,
-		Type:           "tuic",
-		Server:         data.Server,
-		Port:           data.Port,
-		UUID:           uuid,
-		Password:       uuid,
-		SNI:            tuic.SecurityConfig.SNI,
-		SkipCertVerify: tuic.SecurityConfig.AllowInsecure,
+		Name:                 data.Name,
+		Type:                 "tuic",
+		Server:               data.Server,
+		Port:                 data.Port,
+		UUID:                 uuid,
+		Password:             uuid,
+		ALPN:                 []string{"h3"},
+		DisableSni:           tuic.DisableSNI,
+		ReduceRtt:            tuic.ReduceRtt,
+		CongestionController: tuic.CongestionController,
+		UdpRelayMode:         tuic.UDPRelayMode,
+		SNI:                  tuic.SecurityConfig.SNI,
+		SkipCertVerify:       tuic.SecurityConfig.AllowInsecure,
 	}
 
 	return p, nil
diff --git a/pkg/adapter/general/uri.go b/pkg/adapter/general/uri.go
index 4e88b29..c1c925b 100644
--- a/pkg/adapter/general/uri.go
+++ b/pkg/adapter/general/uri.go
@@ -249,7 +249,8 @@ func TuicUri(data proxy.Proxy, uuid string) string {
 	tuic := data.Option.(proxy.Tuic)
 	var query = make(url.Values)
 
-	setQuery(&query, "congestion_control", "bbr")
+	setQuery(&query, "congestion_control", tuic.CongestionController)
+	setQuery(&query, "udp_relay_mode", tuic.UDPRelayMode)
 
 	if tuic.SecurityConfig.SNI != "" {
 		setQuery(&query, "sni", tuic.SecurityConfig.SNI)
diff --git a/pkg/adapter/proxy/proxy.go b/pkg/adapter/proxy/proxy.go
index d2cf603..ee74d72 100644
--- a/pkg/adapter/proxy/proxy.go
+++ b/pkg/adapter/proxy/proxy.go
@@ -83,15 +83,29 @@ type Hysteria2 struct {
 
 // Tuic represents a Tuic proxy configuration
 type Tuic struct {
+	Port                 int            `json:"port"`
+	DisableSNI           bool           `json:"disable_sni"`
+	ReduceRtt            bool           `json:"reduce_rtt"`
+	UDPRelayMode         string         `json:"udp_relay_mode"`
+	CongestionController string         `json:"congestion_controller"`
+	SecurityConfig       SecurityConfig `json:"security_config"`
+}
+
+// AnyTLS represents an AnyTLS proxy configuration
+type AnyTLS struct {
 	Port           int            `json:"port"`
 	SecurityConfig SecurityConfig `json:"security_config"`
 }
 
 // TransportConfig represents the transport configuration for a proxy
 type TransportConfig struct {
-	Path        string `json:"path,omitempty"` // ws/httpupgrade
-	Host        string `json:"host,omitempty"`
-	ServiceName string `json:"service_name"` // grpc
+	Path                 string `json:"path,omitempty"` // ws/httpupgrade
+	Host                 string `json:"host,omitempty"`
+	ServiceName          string `json:"service_name"`          // grpc
+	DisableSNI           bool   `json:"disable_sni"`           // Disable SNI for the transport(tuic)
+	ReduceRtt            bool   `json:"reduce_rtt"`            // Reduce RTT for the transport(tuic)
+	UDPRelayMode         string `json:"udp_relay_mode"`        // UDP relay mode for the transport(tuic)
+	CongestionController string `json:"congestion_controller"` // Congestion controller for the transport(tuic)
 }
 
 // SecurityConfig represents the security configuration for a proxy
diff --git a/pkg/adapter/singbox/tuic.go b/pkg/adapter/singbox/tuic.go
index 08f4942..8267d40 100644
--- a/pkg/adapter/singbox/tuic.go
+++ b/pkg/adapter/singbox/tuic.go
@@ -31,7 +31,9 @@ func ParseTUIC(data proxy.Proxy, uuid string) (*Proxy, error) {
 			},
 			UUID:              uuid,
 			Password:          uuid,
-			CongestionControl: "bbr",
+			CongestionControl: tuic.CongestionController,
+			UDPRelayMode:      tuic.UDPRelayMode,
+			ZeroRTTHandshake:  tuic.ReduceRtt,
 		},
 	}
 	// Security options