From a5d4a42119b1464c2ad02e3b24f8f04099107d97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Mon, 12 May 2025 18:06:58 +0800
Subject: [PATCH] Add missing `accept_routes` option for Tailscale

---
 docs/configuration/endpoint/tailscale.md | 5 +++++
 option/tailscale.go                      | 1 +
 protocol/tailscale/endpoint.go           | 6 ++++++
 3 files changed, 12 insertions(+)

diff --git a/docs/configuration/endpoint/tailscale.md b/docs/configuration/endpoint/tailscale.md
index 298b68ce..612a86e6 100644
--- a/docs/configuration/endpoint/tailscale.md
+++ b/docs/configuration/endpoint/tailscale.md
@@ -15,6 +15,7 @@ icon: material/new-box
   "control_url": "",
   "ephemeral": false,
   "hostname": "",
+  "accept_routes": false,
   "exit_node": "",
   "exit_node_allow_lan_access": false,
   "advertise_routes": [],
@@ -62,6 +63,10 @@ System hostname is used by default.
 
 Example: `localhost`
 
+#### accept_routes
+
+Indicates whether the node should accept routes advertised by other nodes.
+
 #### exit_node
 
 The exit node name or IP address to use.
diff --git a/option/tailscale.go b/option/tailscale.go
index 30579fc7..7b901770 100644
--- a/option/tailscale.go
+++ b/option/tailscale.go
@@ -11,6 +11,7 @@ type TailscaleEndpointOptions struct {
 	ControlURL             string           `json:"control_url,omitempty"`
 	Ephemeral              bool             `json:"ephemeral,omitempty"`
 	Hostname               string           `json:"hostname,omitempty"`
+	AcceptRoutes           bool             `json:"accept_routes,omitempty"`
 	ExitNode               string           `json:"exit_node,omitempty"`
 	ExitNodeAllowLANAccess bool             `json:"exit_node_allow_lan_access,omitempty"`
 	AdvertiseRoutes        []netip.Prefix   `json:"advertise_routes,omitempty"`
diff --git a/protocol/tailscale/endpoint.go b/protocol/tailscale/endpoint.go
index 26aa6ebd..92f40562 100644
--- a/protocol/tailscale/endpoint.go
+++ b/protocol/tailscale/endpoint.go
@@ -72,6 +72,7 @@ type Endpoint struct {
 	filter            *atomic.Pointer[filter.Filter]
 	onReconfig        wgengine.ReconfigListener
 
+	acceptRoutes           bool
 	exitNode               string
 	exitNodeAllowLANAccess bool
 	advertiseRoutes        []netip.Prefix
@@ -170,6 +171,7 @@ func NewEndpoint(ctx context.Context, router adapter.Router, logger log.ContextL
 		network:                service.FromContext[adapter.NetworkManager](ctx),
 		platformInterface:      service.FromContext[platform.Interface](ctx),
 		server:                 server,
+		acceptRoutes:           options.AcceptRoutes,
 		exitNode:               options.ExitNode,
 		exitNodeAllowLANAccess: options.ExitNodeAllowLANAccess,
 		advertiseRoutes:        options.AdvertiseRoutes,
@@ -226,6 +228,10 @@ func (t *Endpoint) Start(stage adapter.StartStage) error {
 
 	localBackend := t.server.ExportLocalBackend()
 	perfs := &ipn.MaskedPrefs{
+		Prefs: ipn.Prefs{
+			RouteAll: t.acceptRoutes,
+		},
+		RouteAllSet:        true,
 		ExitNodeIPSet:      true,
 		AdvertiseRoutesSet: true,
 	}