From: Alexander Barton <alex@barton.de>
Date: Mon, 26 Aug 2013 22:39:59 +0000 (+0200)
Subject: Ignore "operation not permitted" while dropping groups
X-Git-Tag: rel-21-rc1~30
X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=commitdiff_plain;h=41f75b69740bd205864bd34afbb65ab0a3776136

Ignore "operation not permitted" while dropping groups

Without this exception, you can't start ngIRCd as user any more,
it is analog to setting the user and group ID.
---

diff --git a/src/ngircd/ngircd.c b/src/ngircd/ngircd.c
index 4099719b..e26ac3bd 100644
--- a/src/ngircd/ngircd.c
+++ b/src/ngircd/ngircd.c
@@ -725,9 +725,11 @@ NGIRCd_Init(bool NGIRCd_NoDaemon)
 				goto out;
 		}
 		if (setgroups(0, NULL) != 0) {
-			Log(LOG_ERR, "Can't drop supplementary group ids: %s!",
+			real_errno = errno;
+			Log(LOG_ERR, "Can't drop supplementary group IDs: %s!",
 					strerror(errno));
-			goto out;
+			if (real_errno != EPERM)
+				goto out;
 		}
 	}
 #endif