1106121Sdes/*
2126274Sdes * Copyright (c) 2002,2004 Damien Miller <djm@mindrot.org>
3106121Sdes *
4126274Sdes * Permission to use, copy, modify, and distribute this software for any
5126274Sdes * purpose with or without fee is hereby granted, provided that the above
6126274Sdes * copyright notice and this permission notice appear in all copies.
7106121Sdes *
8126274Sdes * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9126274Sdes * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10126274Sdes * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11126274Sdes * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12126274Sdes * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13126274Sdes * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14126274Sdes * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15106121Sdes */
16106121Sdes
17106121Sdes#include "includes.h"
18106121Sdes
19106121Sdes#if !defined(HAVE_GETPEEREID)
20106121Sdes
21162852Sdes#include <sys/types.h>
22162852Sdes#include <sys/socket.h>
23162852Sdes
24162852Sdes#include <unistd.h>
25162852Sdes
26106121Sdes#if defined(SO_PEERCRED)
27106121Sdesint
28106121Sdesgetpeereid(int s, uid_t *euid, gid_t *gid)
29106121Sdes{
30106121Sdes	struct ucred cred;
31113908Sdes	socklen_t len = sizeof(cred);
32106121Sdes
33106121Sdes	if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0)
34106121Sdes		return (-1);
35106121Sdes	*euid = cred.uid;
36106121Sdes	*gid = cred.gid;
37106121Sdes
38106121Sdes	return (0);
39106121Sdes}
40181111Sdes#elif defined(HAVE_GETPEERUCRED)
41181111Sdes
42181111Sdes#ifdef HAVE_UCRED_H
43181111Sdes# include <ucred.h>
44181111Sdes#endif
45181111Sdes
46181111Sdesint
47181111Sdesgetpeereid(int s, uid_t *euid, gid_t *gid)
48181111Sdes{
49181111Sdes	ucred_t *ucred = NULL;
50181111Sdes
51181111Sdes	if (getpeerucred(s, &ucred) == -1)
52181111Sdes		return (-1);
53181111Sdes	if ((*euid = ucred_geteuid(ucred)) == -1)
54181111Sdes		return (-1);
55181111Sdes	if ((*gid = ucred_getrgid(ucred)) == -1)
56181111Sdes		return (-1);
57181111Sdes
58181111Sdes	ucred_free(ucred);
59181111Sdes
60181111Sdes	return (0);
61181111Sdes}
62106121Sdes#else
63106121Sdesint
64106121Sdesgetpeereid(int s, uid_t *euid, gid_t *gid)
65106121Sdes{
66106121Sdes	*euid = geteuid();
67106121Sdes	*gid = getgid();
68106121Sdes
69106121Sdes	return (0);
70106121Sdes}
71106121Sdes#endif /* defined(SO_PEERCRED) */
72106121Sdes
73106121Sdes#endif /* !defined(HAVE_GETPEEREID) */
74