getpeereid.c revision 81861
1198134Sjhb/* 2198134Sjhb * Copyright (c) 2001 Dima Dorfman. 3283927Sjhb * All rights reserved. 4198134Sjhb * 5198134Sjhb * Redistribution and use in source and binary forms, with or without 6198134Sjhb * modification, are permitted provided that the following conditions 7198134Sjhb * are met: 8198134Sjhb * 1. Redistributions of source code must retain the above copyright 9198134Sjhb * notice, this list of conditions and the following disclaimer. 10198134Sjhb * 2. Redistributions in binary form must reproduce the above copyright 11198134Sjhb * notice, this list of conditions and the following disclaimer in the 12198134Sjhb * documentation and/or other materials provided with the distribution. 13198134Sjhb * 14198134Sjhb * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15198134Sjhb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16198134Sjhb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17198134Sjhb * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18198134Sjhb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19198134Sjhb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20198134Sjhb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21198134Sjhb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22198134Sjhb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23198134Sjhb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24198134Sjhb * SUCH DAMAGE. 25198134Sjhb */ 26198134Sjhb 27198134Sjhb#if defined(LIBC_RCS) && !defined(lint) 28198134Sjhbstatic const char rcsid[] = 29198134Sjhb "$FreeBSD: head/lib/libc/gen/getpeereid.c 81861 2001-08-17 22:09:15Z dd $"; 30292418Sjhb#endif /* LIBC_RCS and not lint */ 31198134Sjhb 32198134Sjhb#include <sys/param.h> 33198134Sjhb#include <sys/socket.h> 34198134Sjhb#include <sys/ucred.h> 35198134Sjhb#include <sys/un.h> 36198134Sjhb 37198134Sjhb#include <unistd.h> 38198134Sjhb 39198134Sjhbint 40198134Sjhbgetpeereid(int s, uid_t *euid, gid_t *egid) 41292418Sjhb{ 42198134Sjhb struct xucred xuc; 43198134Sjhb socklen_t xuclen; 44198134Sjhb int error; 45198134Sjhb 46198134Sjhb xuclen = sizeof(xuc); 47198134Sjhb error = getsockopt(s, LOCAL_PEERCRED, 1, &xuc, &xuclen); 48233648Seadler if (error != 0) 49198134Sjhb return (error); 50198134Sjhb *euid = xuc.cr_uid; 51198134Sjhb *egid = xuc.cr_gid; 52198134Sjhb return (0); 53198134Sjhb} 54198134Sjhb