xref: /freebsd/crypto/openssh/openbsd-compat/bsd-getpeereid.c (revision c98323078dede7579020518ec84cdcb478e5c142)
1 /*
2  * Copyright (c) 2002,2004 Damien Miller <djm@mindrot.org>
3  *
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.
7  *
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.
15  */
16 
17 #include "includes.h"
18 
19 RCSID("$Id: bsd-getpeereid.c,v 1.3 2004/02/17 05:49:55 djm Exp $");
20 
21 #if !defined(HAVE_GETPEEREID)
22 
23 #if defined(SO_PEERCRED)
24 int
25 getpeereid(int s, uid_t *euid, gid_t *gid)
26 {
27 	struct ucred cred;
28 	socklen_t len = sizeof(cred);
29 
30 	if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0)
31 		return (-1);
32 	*euid = cred.uid;
33 	*gid = cred.gid;
34 
35 	return (0);
36 }
37 #else
38 int
39 getpeereid(int s, uid_t *euid, gid_t *gid)
40 {
41 	*euid = geteuid();
42 	*gid = getgid();
43 
44 	return (0);
45 }
46 #endif /* defined(SO_PEERCRED) */
47 
48 #endif /* !defined(HAVE_GETPEEREID) */
49