From c1e097d6d0cabb81b3aa180d69107f9857606bf5 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Mon, 14 May 2018 03:38:06 +0200
Subject: Optional logging even in background

---
 main.go | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'main.go')

diff --git a/main.go b/main.go
index 5001bc4..6c7b07d 100644
--- a/main.go
+++ b/main.go
@@ -111,6 +111,8 @@ func main() {
 			return LogLevelInfo
 		case "error":
 			return LogLevelError
+		case "silent":
+			return LogLevelSilent
 		}
 		return LogLevelInfo
 	}()
@@ -183,11 +185,16 @@ func main() {
 		env = append(env, fmt.Sprintf("%s=3", ENV_WG_TUN_FD))
 		env = append(env, fmt.Sprintf("%s=4", ENV_WG_UAPI_FD))
 		env = append(env, fmt.Sprintf("%s=1", ENV_WG_PROCESS_FOREGROUND))
+		files := [3]*os.File{}
+		if os.Getenv("LOG_LEVEL") != "" {
+			files[1] = os.Stdout
+			files[2] = os.Stderr
+		}
 		attr := &os.ProcAttr{
 			Files: []*os.File{
-				nil, // stdin
-				nil, // stdout
-				nil, // stderr
+				files[0], // stdin
+				files[1], // stdout
+				files[2], // stderr
 				tun.File(),
 				fileUAPI,
 			},
-- 
cgit v1.2.3-59-g8ed1b