projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 59e0d9fe A |
1 | /* |
| 2 | * Copyright (c) 2001 Dima Dorfman. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * | |
| 14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
| 15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 24 | * SUCH DAMAGE. | |
| 25 | */ | |
| 26 | ||
| 27 | #include <sys/cdefs.h> | |
| 28 | __FBSDID("$FreeBSD: src/lib/libc/gen/getpeereid.c,v 1.6 2002/12/16 13:42:13 maxim Exp $"); | |
| 29 | ||
| 30 | #include <sys/param.h> | |
| 31 | #include <sys/socket.h> | |
| 32 | #include <sys/ucred.h> | |
| 33 | #include <sys/un.h> | |
| 34 | ||
| 35 | #include <errno.h> | |
| 36 | #include <unistd.h> | |
| 37 | ||
| 38 | int | |
| 39 | getpeereid(int s, uid_t *euid, gid_t *egid) | |
| 40 | { | |
| 41 | struct xucred xuc; | |
| 42 | socklen_t xuclen; | |
| 43 | int error; | |
| 44 | ||
| 45 | xuclen = sizeof(xuc); | |
| 46 | error = getsockopt(s, 0, LOCAL_PEERCRED, &xuc, &xuclen); | |
| 47 | if (error != 0) | |
| 48 | return (error); | |
| 49 | if (xuc.cr_version != XUCRED_VERSION) | |
| 50 | return (EINVAL); | |
| 51 | *euid = xuc.cr_uid; | |
| 52 | *egid = xuc.cr_gid; | |
| 53 | return (0); | |
| 54 | } |