From 2b173e831ff31d040366aefd76c4e6eac4a6c6df Mon Sep 17 00:00:00 2001
From: Joachim Nilsson <troglobit@gmail.com>
Date: Sun, 15 Oct 2017 21:38:17 +0200
Subject: [PATCH] service_start(): Redirect service output to /dev/null by
 default

This patch prevents output of stderr/stdout from services to leak to the
console.  Use the 'log' keyword to service/run/task stanza to redirect
output to syslog.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
---
 src/service.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/service.c b/src/service.c
index 4792a577..ee76826e 100644
--- a/src/service.c
+++ b/src/service.c
@@ -265,7 +265,17 @@ static int service_start(svc_t *svc)
 				dup2(fd, STDERR_FILENO);
 				close(fd);
 			}
+		} else {
+			FILE *fp;
+
+			fp = fopen("/dev/null", "w");
+			if (fp) {
+				dup2(fileno(fp), STDOUT_FILENO);
+				dup2(fileno(fp), STDERR_FILENO);
+			}
+			fclose(fp);
 		}
+
 	logger_err:
 		sig_unblock();