summaryrefslogtreecommitdiff
path: root/openbsd-compat/bsd-setres_id.c
diff options
context:
space:
mode:
authorColin Watson <cjwatson@debian.org>2013-05-07 11:47:26 +0100
committerColin Watson <cjwatson@debian.org>2013-05-07 11:47:26 +0100
commit2ea3f720daeb1ca9f765365fce3a9546961fe624 (patch)
treec4fb7d1f51fa51e7677232de806aae150e29e2ac /openbsd-compat/bsd-setres_id.c
parentf5efcd3450bbf8261915e0c4a6f851229dddaa79 (diff)
parentecebda56da46a03dafff923d91c382f31faa9eec (diff)
* New upstream release (http://www.openssh.com/txt/release-6.2).
- Add support for multiple required authentication in SSH protocol 2 via an AuthenticationMethods option (closes: #195716). - Fix Sophie Germain formula in moduli(5) (closes: #698612). - Update ssh-copy-id to Phil Hands' greatly revised version (closes: #99785, #322228, #620428; LP: #518883, #835901, #1074798).
Diffstat (limited to 'openbsd-compat/bsd-setres_id.c')
-rw-r--r--openbsd-compat/bsd-setres_id.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/openbsd-compat/bsd-setres_id.c b/openbsd-compat/bsd-setres_id.c
new file mode 100644
index 000000000..020b214b8
--- /dev/null
+++ b/openbsd-compat/bsd-setres_id.c
@@ -0,0 +1,99 @@
1/* $Id: bsd-setres_id.c,v 1.1 2012/11/05 06:04:37 dtucker Exp $ */
2
3/*
4 * Copyright (c) 2012 Darren Tucker (dtucker at zip com au).
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19#include "includes.h"
20
21#include <sys/types.h>
22
23#include <stdarg.h>
24#include <unistd.h>
25
26#include "log.h"
27
28#if !defined(HAVE_SETRESGID) || defined(BROKEN_SETRESGID)
29int
30setresgid(gid_t rgid, gid_t egid, gid_t sgid)
31{
32 int ret = 0, saved_errno;
33
34 if (rgid != sgid) {
35 errno = ENOSYS;
36 return -1;
37 }
38#if defined(HAVE_SETREGID) && !defined(BROKEN_SETREGID)
39 if (setregid(rgid, egid) < 0) {
40 saved_errno = errno;
41 error("setregid %u: %.100s", rgid, strerror(errno));
42 errno = saved_errno;
43 ret = -1;
44 }
45#else
46 if (setegid(egid) < 0) {
47 saved_errno = errno;
48 error("setegid %u: %.100s", (u_int)egid, strerror(errno));
49 errno = saved_errno;
50 ret = -1;
51 }
52 if (setgid(rgid) < 0) {
53 saved_errno = errno;
54 error("setgid %u: %.100s", rgid, strerror(errno));
55 errno = saved_errno;
56 ret = -1;
57 }
58#endif
59 return ret;
60}
61#endif
62
63#if !defined(HAVE_SETRESUID) || defined(BROKEN_SETRESUID)
64int
65setresuid(uid_t ruid, uid_t euid, uid_t suid)
66{
67 int ret = 0, saved_errno;
68
69 if (ruid != suid) {
70 errno = ENOSYS;
71 return -1;
72 }
73#if defined(HAVE_SETREUID) && !defined(BROKEN_SETREUID)
74 if (setreuid(ruid, euid) < 0) {
75 saved_errno = errno;
76 error("setreuid %u: %.100s", ruid, strerror(errno));
77 errno = saved_errno;
78 ret = -1;
79 }
80#else
81
82# ifndef SETEUID_BREAKS_SETUID
83 if (seteuid(euid) < 0) {
84 saved_errno = errno;
85 error("seteuid %u: %.100s", euid, strerror(errno));
86 errno = saved_errno;
87 ret = -1;
88 }
89# endif
90 if (setuid(ruid) < 0) {
91 saved_errno = errno;
92 error("setuid %u: %.100s", ruid, strerror(errno));
93 errno = saved_errno;
94 ret = -1;
95 }
96#endif
97 return ret;
98}
99#endif