From 047501e8992fb66d675abc5c9535dddcb9e957ee Mon Sep 17 00:00:00 2001
From: David Crawshaw <crawshaw@tailscale.com>
Date: Fri, 2 Apr 2021 12:02:53 -0400
Subject: [PATCH] paths: add synology socket path

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
---
 paths/paths.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/paths/paths.go b/paths/paths.go
index 2f0ea7c93..677b8f8d3 100644
--- a/paths/paths.go
+++ b/paths/paths.go
@@ -26,6 +26,13 @@ func DefaultTailscaledSocket() string {
 	if runtime.GOOS == "darwin" {
 		return "/var/run/tailscaled.socket"
 	}
+	if runtime.GOOS == "linux" {
+		// TODO(crawshaw): does this path change with DSM7?
+		const synologySock = "/volume1/@appstore/Tailscale/var/tailscaled.sock" // SYNOPKG_PKGDEST in scripts/installer
+		if fi, err := os.Stat(filepath.Dir(synologySock)); err == nil && fi.IsDir() {
+			return synologySock
+		}
+	}
 	if fi, err := os.Stat("/var/run"); err == nil && fi.IsDir() {
 		return "/var/run/tailscale/tailscaled.sock"
 	}