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 #include "includes.h" 26 27 RCSID("$Id: bsd-getpeereid.c,v 1.1 2002/09/12 00:33:02 djm Exp $"); 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #if !defined(HAVE_GETPEEREID) 32 33 #if defined(SO_PEERCRED) 34 int 35 getpeereid(int s, uid_t *euid, gid_t *gid) 36 { 37 struct ucred cred; 38 size_t len = sizeof(cred); 39 40 if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0) 41 return (-1); 42 *euid = cred.uid; 43 *gid = cred.gid; 44 45 return (0); 46 } 47 #else 48 int 49 getpeereid(int s, uid_t *euid, gid_t *gid) 50 { 51 *euid = geteuid(); 52 *gid = getgid(); 53 54 return (0); 55 } 56 #endif /* defined(SO_PEERCRED) */ 57 58 #endif /* !defined(HAVE_GETPEEREID) */ 59