add socket path config option, fix env find order

1 files changed, 6 insertions, 1 deletions

diff --git a/cmd/tunneld/main.go b/cmd/tunneld/main.go
index 4ff23ba..e56dd12 100644
--- a/cmd/tunneld/main.go
+++ b/cmd/tunneld/main.go
@@ -25,6 +25,7 @@ var (
 	forceFlag  = flag.Bool("f", false, "try start with force")
 	syslogFlag = flag.Bool("s", false, "write log to syslog instead of stdout")
 	configFlag = flag.String("c", "", "path to configuration file")
+	socketFlag = flag.String("S", "", "path to control socket")
 )
 
 func initLog() {
@@ -69,6 +70,10 @@ func initSignals(s *server.Server) {
 }
 
 func getSocketPath() string {
+	if *socketFlag != "" {
+		return *socketFlag
+	}
+
 	s := config.GetSocketPath()
 
 	if err := os.Mkdir(path.Dir(s), 0700); err != nil {
@@ -83,7 +88,7 @@ func getSocketPath() string {
 func openConfig() (*os.File, error) {
 	var c string
 
-	if len(*configFlag) > 0 {
+	if *configFlag != "" {
 		c = *configFlag
 	} else {
 		c = config.GetConfigPath()