From 11c9e28192a9f6d35c921eb30b8cb5c3a2fecfea Mon Sep 17 00:00:00 2001
From: Ken Dreyer <ktdreyer@ktdreyer.com>
Date: Sat, 31 May 2014 02:00:58 -0600
Subject: [PATCH] kadmin: handle systemd setpgid failure

When running as a service under systemd, kadmin cannot successfully use
setpgid().  The call fails with EPERM. Do not treat this as a fatal
error; instead, allow kadmind to continue starting up.
---
 kadmin/kadm_conn.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kadmin/kadm_conn.c b/kadmin/kadm_conn.c
index e959d0362..58aceb8e1 100644
--- a/kadmin/kadm_conn.c
+++ b/kadmin/kadm_conn.c
@@ -189,7 +189,8 @@ wait_for_connection(krb5_context contextp,
 
     pgrp = getpid();
 
-    if(setpgid(0, pgrp) < 0)
+    /* systemd may cause setpgid to fail with EPERM */
+    if(setpgid(0, pgrp) < 0 && errno != EPERM)
 	err(1, "setpgid");
 
     signal(SIGTERM, terminate);