From 5af7f4e847ede794c4db4cbaa0964cba0eb8e5dc Mon Sep 17 00:00:00 2001
From: wwqgtxx <wwqgtxx@gmail.com>
Date: Sun, 24 Mar 2024 21:31:52 +0800
Subject: [PATCH] chore: allow config `table-index` for tun
 https://github.com/MetaCubeX/mihomo/issues/1128

---
 config/config.go            | 2 ++
 hub/route/configs.go        | 4 ++++
 listener/config/tun.go      | 1 +
 listener/inbound/tun.go     | 2 ++
 listener/listener.go        | 3 ++-
 listener/sing_tun/server.go | 6 +++++-
 6 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/config/config.go b/config/config.go
index ca86649161..ca179ed051 100644
--- a/config/config.go
+++ b/config/config.go
@@ -265,6 +265,7 @@ type RawTun struct {
 	EndpointIndependentNat   bool           `yaml:"endpoint-independent-nat" json:"endpoint_independent_nat,omitempty"`
 	UDPTimeout               int64          `yaml:"udp-timeout" json:"udp_timeout,omitempty"`
 	FileDescriptor           int            `yaml:"file-descriptor" json:"file-descriptor"`
+	TableIndex               int            `yaml:"table-index" json:"table-index"`
 }
 
 type RawTuicServer struct {
@@ -1448,6 +1449,7 @@ func parseTun(rawTun RawTun, general *General) error {
 		EndpointIndependentNat:   rawTun.EndpointIndependentNat,
 		UDPTimeout:               rawTun.UDPTimeout,
 		FileDescriptor:           rawTun.FileDescriptor,
+		TableIndex:               rawTun.TableIndex,
 	}
 
 	return nil
diff --git a/hub/route/configs.go b/hub/route/configs.go
index ec0b464ce4..653e43519b 100644
--- a/hub/route/configs.go
+++ b/hub/route/configs.go
@@ -91,6 +91,7 @@ type tunSchema struct {
 	EndpointIndependentNat   *bool           `yaml:"endpoint-independent-nat" json:"endpoint-independent-nat,omitempty"`
 	UDPTimeout               *int64          `yaml:"udp-timeout" json:"udp-timeout,omitempty"`
 	FileDescriptor           *int            `yaml:"file-descriptor" json:"file-descriptor"`
+	TableIndex               *int            `yaml:"table-index" json:"table-index"`
 }
 
 type tuicServerSchema struct {
@@ -209,6 +210,9 @@ func pointerOrDefaultTun(p *tunSchema, def LC.Tun) LC.Tun {
 		if p.FileDescriptor != nil {
 			def.FileDescriptor = *p.FileDescriptor
 		}
+		if p.TableIndex != nil {
+			def.TableIndex = *p.TableIndex
+		}
 	}
 	return def
 }
diff --git a/listener/config/tun.go b/listener/config/tun.go
index 1772c6f5b4..7467e4a6a7 100644
--- a/listener/config/tun.go
+++ b/listener/config/tun.go
@@ -49,4 +49,5 @@ type Tun struct {
 	EndpointIndependentNat   bool           `yaml:"endpoint-independent-nat" json:"endpoint-independent-nat,omitempty"`
 	UDPTimeout               int64          `yaml:"udp-timeout" json:"udp-timeout,omitempty"`
 	FileDescriptor           int            `yaml:"file-descriptor" json:"file-descriptor"`
+	TableIndex               int            `yaml:"table-index" json:"table-index"`
 }
diff --git a/listener/inbound/tun.go b/listener/inbound/tun.go
index a1fdebfa4a..51747c4629 100644
--- a/listener/inbound/tun.go
+++ b/listener/inbound/tun.go
@@ -40,6 +40,7 @@ type TunOption struct {
 	EndpointIndependentNat   bool     `inbound:"endpoint_independent_nat,omitempty"`
 	UDPTimeout               int64    `inbound:"udp_timeout,omitempty"`
 	FileDescriptor           int      `inbound:"file-descriptor,omitempty"`
+	TableIndex               int      `inbound:"table-index,omitempty"`
 }
 
 func (o TunOption) Equal(config C.InboundConfig) bool {
@@ -118,6 +119,7 @@ func NewTun(options *TunOption) (*Tun, error) {
 			EndpointIndependentNat:   options.EndpointIndependentNat,
 			UDPTimeout:               options.UDPTimeout,
 			FileDescriptor:           options.FileDescriptor,
+			TableIndex:               options.TableIndex,
 		},
 	}, nil
 }
diff --git a/listener/listener.go b/listener/listener.go
index ac60297196..e35061882d 100644
--- a/listener/listener.go
+++ b/listener/listener.go
@@ -823,7 +823,8 @@ func hasTunConfigChange(tunConf *LC.Tun) bool {
 		LastTunConf.StrictRoute != tunConf.StrictRoute ||
 		LastTunConf.EndpointIndependentNat != tunConf.EndpointIndependentNat ||
 		LastTunConf.UDPTimeout != tunConf.UDPTimeout ||
-		LastTunConf.FileDescriptor != tunConf.FileDescriptor {
+		LastTunConf.FileDescriptor != tunConf.FileDescriptor ||
+		LastTunConf.TableIndex != tunConf.TableIndex {
 		return true
 	}
 
diff --git a/listener/sing_tun/server.go b/listener/sing_tun/server.go
index cc26d37dcc..96ec1573f2 100644
--- a/listener/sing_tun/server.go
+++ b/listener/sing_tun/server.go
@@ -112,6 +112,10 @@ func New(options LC.Tun, tunnel C.Tunnel, additions ...inbound.Addition) (l *Lis
 	} else {
 		udpTimeout = int64(sing.UDPTimeout.Seconds())
 	}
+	tableIndex := options.TableIndex
+	if tableIndex == 0 {
+		tableIndex = 2022
+	}
 	includeUID := uidToRange(options.IncludeUID)
 	if len(options.IncludeUIDRange) > 0 {
 		var err error
@@ -225,7 +229,7 @@ func New(options LC.Tun, tunnel C.Tunnel, additions ...inbound.Addition) (l *Lis
 		ExcludePackage:           options.ExcludePackage,
 		FileDescriptor:           options.FileDescriptor,
 		InterfaceMonitor:         defaultInterfaceMonitor,
-		TableIndex:               2022,
+		TableIndex:               tableIndex,
 	}
 
 	err = l.buildAndroidRules(&tunOptions)