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libbb: make parse_chown_usergroup_or_die() set unspecified uid/gid to -1

Browse source 
function                                             old     new   delta
parse_chown_usergroup_or_die                         102     115     +13
chown_main                                           190     175     -15
start_stop_daemon_main                              1043    1027     -16
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(add/remove: 0/0 grow/shrink: 1/2 up/down: 13/-31)            Total: -18 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2015-10-19 04:37:19 +02:00
parent 526d85831e
commit 3d0805e9e7
3 changed files with 6 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

8
debianutils/start_stop_daemon.c
View file

@ -539,15 +539,15 @@ int start_stop_daemon_main(int argc UNUSED_PARAM, char **argv)
write_pidfile(pidfile);
}
if (opt & OPT_c) {
struct bb_uidgid_t ugid = { -1, -1 };
struct bb_uidgid_t ugid;
parse_chown_usergroup_or_die(&ugid, chuid);
if (ugid.uid != (uid_t) -1) {
if (ugid.uid != (uid_t) -1L) {
struct passwd *pw = xgetpwuid(ugid.uid);
if (ugid.gid != (gid_t) -1)
if (ugid.gid != (gid_t) -1L)
pw->pw_gid = ugid.gid;
/* initgroups, setgid, setuid: */
change_identity(pw);
} else if (ugid.gid != (gid_t) -1) {
} else if (ugid.gid != (gid_t) -1L) {
xsetgid(ugid.gid);
setgroups(1, &ugid.gid);
}