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cc0583a1 1/*
540d72c3 2 * Copyright (c) 2002,2004 Damien Miller <djm@mindrot.org>
cc0583a1 3 *
540d72c3 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.
cc0583a1 7 *
540d72c3 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.
cc0583a1 15 */
16
17#include "includes.h"
18
cc0583a1 19#if !defined(HAVE_GETPEEREID)
20
30460aeb 21#include <sys/types.h>
22#include <sys/socket.h>
23
24#include <unistd.h>
25
cc0583a1 26#if defined(SO_PEERCRED)
27int
28getpeereid(int s, uid_t *euid, gid_t *gid)
29{
30 struct ucred cred;
bfe49944 31 socklen_t len = sizeof(cred);
cc0583a1 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}
fa0f0f45 40#elif defined(HAVE_GETPEERUCRED)
41
42#ifdef HAVE_UCRED_H
43# include <ucred.h>
44#endif
45
46int
47getpeereid(int s, uid_t *euid, gid_t *gid)
48{
49 ucred_t *ucred = NULL;
50
51 if (getpeerucred(s, &ucred) == -1)
52 return (-1);
53 if ((*euid = ucred_geteuid(ucred)) == -1)
54 return (-1);
55 if ((*gid = ucred_getrgid(ucred)) == -1)
56 return (-1);
57
58 ucred_free(ucred);
59
60 return (0);
61}
cc0583a1 62#else
63int
64getpeereid(int s, uid_t *euid, gid_t *gid)
65{
66 *euid = geteuid();
67 *gid = getgid();
68
69 return (0);
70}
71#endif /* defined(SO_PEERCRED) */
72
73#endif /* !defined(HAVE_GETPEEREID) */
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