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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) | |
27 | int | |
28 | getpeereid(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 | #elif defined(HAVE_GETPEERUCRED) | |
41 | ||
42 | #ifdef HAVE_UCRED_H | |
43 | # include <ucred.h> | |
44 | #endif | |
45 | ||
46 | int | |
47 | getpeereid(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 | } | |
62 | #else | |
63 | int | |
64 | getpeereid(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) */ |