2 * Copyright (c) 2012 Darren Tucker (dtucker at zip com au).
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #include <sys/types.h>
27 #if !defined(HAVE_SETRESGID) || defined(BROKEN_SETRESGID)
29 setresgid(gid_t rgid, gid_t egid, gid_t sgid)
31 int ret = 0, saved_errno;
37 #if defined(HAVE_SETREGID) && !defined(BROKEN_SETREGID)
38 if (setregid(rgid, egid) < 0) {
40 error("setregid %u: %.100s", rgid, strerror(errno));
45 if (setegid(egid) < 0) {
47 error("setegid %u: %.100s", (u_int)egid, strerror(errno));
51 if (setgid(rgid) < 0) {
53 error("setgid %u: %.100s", rgid, strerror(errno));
62 #if !defined(HAVE_SETRESUID) || defined(BROKEN_SETRESUID)
64 setresuid(uid_t ruid, uid_t euid, uid_t suid)
66 int ret = 0, saved_errno;
72 #if defined(HAVE_SETREUID) && !defined(BROKEN_SETREUID)
73 if (setreuid(ruid, euid) < 0) {
75 error("setreuid %u: %.100s", ruid, strerror(errno));
81 # ifndef SETEUID_BREAKS_SETUID
82 if (seteuid(euid) < 0) {
84 error("seteuid %u: %.100s", euid, strerror(errno));
89 if (setuid(ruid) < 0) {
91 error("setuid %u: %.100s", ruid, strerror(errno));