Module: ngircd.git Branch: master Commit: e009ccbe66f67a4c5344d6a1f415c50b699765ad URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=e009c...

Author: Florian Westphal fw@strlen.de Date: Tue Aug 27 00:19:31 2013 +0200

ngircd: discard supplementary group ids on startup

The intention was to switch to JUST uid:gid, but setgid is not sufficient.

Reported-by: Michael Scherer misc@zarb.org

---

src/ngircd/ngircd.c | 5 +++++ 1 file changed, 5 insertions(+)

diff --git a/src/ngircd/ngircd.c b/src/ngircd/ngircd.c index e075e0a..4099719 100644 --- a/src/ngircd/ngircd.c +++ b/src/ngircd/ngircd.c @@ -724,6 +724,11 @@ NGIRCd_Init(bool NGIRCd_NoDaemon) if (real_errno != EPERM) goto out; } + if (setgroups(0, NULL) != 0) { + Log(LOG_ERR, "Can't drop supplementary group ids: %s!", + strerror(errno)); + goto out; + } } #endif