From 585541e8e338a85b9f18cf5f6ed88758b29e61f2 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Thu, 15 Sep 2011 18:27:05 +0200 Subject: start_stop_daemon: set complementary group ids too. Closes 3253 Signed-off-by: Denys Vlasenko --- debianutils/start_stop_daemon.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'debianutils/start_stop_daemon.c') diff --git a/debianutils/start_stop_daemon.c b/debianutils/start_stop_daemon.c index bc61959d2..02609c04f 100644 --- a/debianutils/start_stop_daemon.c +++ b/debianutils/start_stop_daemon.c @@ -502,8 +502,16 @@ int start_stop_daemon_main(int argc UNUSED_PARAM, char **argv) if (opt & OPT_c) { struct bb_uidgid_t ugid = { -1, -1 }; parse_chown_usergroup_or_die(&ugid, chuid); - if (ugid.gid != (gid_t) -1) xsetgid(ugid.gid); - if (ugid.uid != (uid_t) -1) xsetuid(ugid.uid); + if (ugid.uid != (uid_t) -1) { + struct passwd *pw = xgetpwuid(ugid.uid); + if (ugid.gid != (gid_t) -1) + pw->pw_gid = ugid.gid; + /* initgroups, setgid, setuid: */ + change_identity(pw); + } else if (ugid.gid != (gid_t) -1) { + xsetgid(ugid.gid); + setgroups(1, &ugid.gid); + } } #if ENABLE_FEATURE_START_STOP_DAEMON_FANCY if (opt & OPT_NICELEVEL) { -- cgit v1.2.3