1 /*
2 * Copyright (c) 2002 Damien Miller. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25 /*
26 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
27 * Use is subject to license terms.
28 */
29
30 #include "includes.h"
31
32 RCSID("$Id: bsd-getpeereid.c,v 1.1 2002/09/12 00:33:02 djm Exp $");
33
34 #pragma ident "%Z%%M% %I% %E% SMI"
35
36 #if !defined(HAVE_GETPEEREID)
37
38 #if defined(SO_PEERCRED)
39 int
getpeereid(int s,uid_t * euid,gid_t * gid)40 getpeereid(int s, uid_t *euid, gid_t *gid)
41 {
42 struct ucred cred;
43 size_t len = sizeof(cred);
44
45 if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0)
46 return (-1);
47 *euid = cred.uid;
48 *gid = cred.gid;
49
50 return (0);
51 }
52 #elif defined(HAVE_GETPEERUCRED)
53 int
getpeereid(int s,uid_t * euid,gid_t * gid)54 getpeereid(int s, uid_t *euid, gid_t *gid)
55 {
56 ucred_t *ucred = NULL;
57
58 if (getpeerucred(s, &ucred) == -1)
59 return (-1);
60 if ((*euid = ucred_geteuid(ucred)) == (uid_t)-1)
61 return (-1);
62 if ((*gid = ucred_getrgid(ucred)) == (gid_t)-1)
63 return (-1);
64
65 ucred_free(ucred);
66
67 return (0);
68 }
69 #else
70 int
getpeereid(int s,uid_t * euid,gid_t * gid)71 getpeereid(int s, uid_t *euid, gid_t *gid)
72 {
73 *euid = geteuid();
74 *gid = getgid();
75
76 return (0);
77 }
78 #endif /* defined(SO_PEERCRED) */
79
80 #endif /* !defined(HAVE_GETPEEREID) */
81