Add custom route support (#147)

docs/configuration/inbound/tun.md

@@ -14,6 +14,14 @@
   "mtu": 9000,
   "auto_route": true,
   "strict_route": true,
+  "inet4_route_address": [
+    "0.0.0.0/1",
+    "128.0.0.0/1"
+  ],
+  "inet6_route_address": [
+    "::/1",
+    "8000::/1"
+  ],
   "endpoint_independent_nat": false,
   "stack": "system",
   "include_uid": [
@@ -99,6 +107,14 @@ not be accessible by others.
 
 Use segmented `auto_route` routing settings, which may help if you're using a dial-up network.
 
+#### inet4_route_address
+
+Use custom routes instead of default when `auto_route` is enabled.
+
+#### inet6_route_address
+
+Use custom routes instead of default when `auto_route` is enabled.
+
 #### endpoint_independent_nat
 
 !!! info ""

docs/configuration/inbound/tun.zh.md

@@ -15,6 +15,14 @@
   "mtu": 9000,
   "auto_route": true,
   "strict_route": true,
+  "inet4_route_address": [
+    "0.0.0.0/1",
+    "128.0.0.0/1"
+  ],
+  "inet6_route_address": [
+    "::/1",
+    "8000::/1"
+  ],
   "endpoint_independent_nat": false,
   "stack": "system",
   "include_uid": [
@@ -99,6 +107,14 @@ tun 接口的 IPv6 前缀。
 
 使用分段的 `auto_route` 路由设置，如果您使用的是拨号网络，这可能会有所帮助。
 
+#### inet4_route_address
+
+启用 `auto_route` 时使用自定义路由而不是默认路由。
+
+#### inet6_route_address
+
+启用 `auto_route` 时使用自定义路由而不是默认路由。
+
 #### endpoint_independent_nat
 
 启用独立于端点的 NAT。
@@ -166,4 +182,4 @@ TCP/IP 栈。
 
 ### 监听字段
 
-参阅 [监听字段](/zh/configuration/shared/listen/)。
+参阅 [监听字段](/zh/configuration/shared/listen/)。

go.mod

@@ -26,7 +26,7 @@ require (
 	github.com/sagernet/sing v0.0.0-20221008120626-60a9910eefe4
 	github.com/sagernet/sing-dns v0.0.0-20220929010544-ee843807aae3
 	github.com/sagernet/sing-shadowsocks v0.0.0-20220819002358-7461bb09a8f6
-	github.com/sagernet/sing-tun v0.0.0-20221009132126-1ede22e6eb7e
+	github.com/sagernet/sing-tun v0.0.0-20221010052616-99492e0d70a1
 	github.com/sagernet/sing-vmess v0.0.0-20220925083655-063bc85ea685
 	github.com/sagernet/smux v0.0.0-20220831015742-e0f1988e3195
 	github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e
@@ -37,7 +37,7 @@ require (
 	go4.org/netipx v0.0.0-20220925034521-797b0c90d8ab
 	golang.org/x/crypto v0.0.0-20221005025214-4161e89ecf1b
 	golang.org/x/net v0.0.0-20221004154528-8021a29435af
-	golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec
+	golang.org/x/sys v0.0.0-20221006211917-84dc82d7e875
 	golang.zx2c4.com/wireguard v0.0.0-20220829161405-d1d08426b27b
 	google.golang.org/grpc v1.49.0
 	google.golang.org/protobuf v1.28.1

go.sum

@@ -151,8 +151,8 @@ github.com/sagernet/sing-dns v0.0.0-20220929010544-ee843807aae3 h1:AEdyJxEDFq38z
 github.com/sagernet/sing-dns v0.0.0-20220929010544-ee843807aae3/go.mod h1:SrvWLfOSlnFmH32CWXicfilAGgIXR0VjrH6yRbuXYww=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220819002358-7461bb09a8f6 h1:JJfDeYYhWunvtxsU/mOVNTmFQmnzGx9dY034qG6G3g4=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220819002358-7461bb09a8f6/go.mod h1:EX3RbZvrwAkPI2nuGa78T2iQXmrkT+/VQtskjou42xM=
-github.com/sagernet/sing-tun v0.0.0-20221009132126-1ede22e6eb7e h1:UIE1wKIr92d2VUWox3On8JQknvewl7aeG+JfthISX0w=
+github.com/sagernet/sing-tun v0.0.0-20221010052616-99492e0d70a1 h1:y9bgx5fcmjIAR5S9jueTIqDm9N2lkIHYEYWPE/x+pHU=
-github.com/sagernet/sing-tun v0.0.0-20221009132126-1ede22e6eb7e/go.mod h1:qbqV9lwcXJnj1Tw4we7oA6Z8zGE/kCXQBCzuhzRWVw8=
+github.com/sagernet/sing-tun v0.0.0-20221010052616-99492e0d70a1/go.mod h1:1u3pjXA9HmH7kRiBJqM3C/zPxrxnCLd3svmqtub/RFU=
 github.com/sagernet/sing-vmess v0.0.0-20220925083655-063bc85ea685 h1:AZzFNRR/ZwMTceUQ1b/mxx6oyKqmFymdMn/yleJmoVM=
 github.com/sagernet/sing-vmess v0.0.0-20220925083655-063bc85ea685/go.mod h1:bwhAdSNET1X+j9DOXGj9NIQR39xgcWIk1rOQ9lLD+gM=
 github.com/sagernet/smux v0.0.0-20220831015742-e0f1988e3195 h1:5VBIbVw9q7aKbrFdT83mjkyvQ+VaRsQ6yflTepfln38=
@@ -264,8 +264,8 @@ golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220731174439-a90be440212d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec h1:BkDtF2Ih9xZ7le9ndzTA7KJow28VbQW3odyk/8drmuI=
+golang.org/x/sys v0.0.0-20221006211917-84dc82d7e875 h1:AzgQNqF+FKwyQ5LbVrVqOcuuFB67N47F9+htZYH0wFM=
-golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20221006211917-84dc82d7e875/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=

inbound/tun.go

@@ -80,6 +80,8 @@ func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger
 			Inet6Address:       common.Map(options.Inet6Address, option.ListenPrefix.Build),
 			AutoRoute:          options.AutoRoute,
 			StrictRoute:        options.StrictRoute,
+			Inet4RouteAddress:  common.Map(options.Inet4RouteAddress, option.ListenPrefix.Build),
+			Inet6RouteAddress:  common.Map(options.Inet6RouteAddress, option.ListenPrefix.Build),
 			IncludeUID:         includeUID,
 			ExcludeUID:         excludeUID,
 			IncludeAndroidUser: options.IncludeAndroidUser,

option/tun.go

@@ -7,6 +7,8 @@ type TunInboundOptions struct {
 	Inet6Address           Listable[ListenPrefix] `json:"inet6_address,omitempty"`
 	AutoRoute              bool                   `json:"auto_route,omitempty"`
 	StrictRoute            bool                   `json:"strict_route,omitempty"`
+	Inet4RouteAddress      Listable[ListenPrefix] `json:"inet4_route_address,omitempty"`
+	Inet6RouteAddress      Listable[ListenPrefix] `json:"inet6_route_address,omitempty"`
 	IncludeUID             Listable[uint32]       `json:"include_uid,omitempty"`
 	IncludeUIDRange        Listable[string]       `json:"include_uid_range,omitempty"`
 	ExcludeUID             Listable[uint32]       `json:"exclude_uid,omitempty"`