bsd-getpeereid.c revision 181097 
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#if !defined(HAVE_GETPEEREID)
20
21#include <sys/types.h>
22#include <sys/socket.h>
23
24#include <unistd.h>
25
26#if defined(SO_PEERCRED)
27int
28getpeereid(int s, uid_t *euid, gid_t *gid)
29{
30	struct ucred cred;
31	socklen_t len = sizeof(cred);
32
33	if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0)
34		return (-1);
35	*euid = cred.uid;
36	*gid = cred.gid;
37
38	return (0);
39}
40#else
41int
42getpeereid(int s, uid_t *euid, gid_t *gid)
43{
44	*euid = geteuid();
45	*gid = getgid();
46
47	return (0);
48}
49#endif /* defined(SO_PEERCRED) */
50
51#endif /* !defined(HAVE_GETPEEREID) */
52