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 /* 26 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 27 * Use is subject to license terms. 28 */ 29 30 #include "includes.h" 31 32 RCSID("$Id: bsd-getpeereid.c,v 1.1 2002/09/12 00:33:02 djm Exp $"); 33 34 #pragma ident "%Z%%M% %I% %E% SMI" 35 36 #if !defined(HAVE_GETPEEREID) 37 38 #if defined(SO_PEERCRED) 39 int 40 getpeereid(int s, uid_t *euid, gid_t *gid) 41 { 42 struct ucred cred; 43 size_t len = sizeof(cred); 44 45 if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0) 46 return (-1); 47 *euid = cred.uid; 48 *gid = cred.gid; 49 50 return (0); 51 } 52 #elif defined(HAVE_GETPEERUCRED) 53 int 54 getpeereid(int s, uid_t *euid, gid_t *gid) 55 { 56 ucred_t *ucred = NULL; 57 58 if (getpeerucred(s, &ucred) == -1) 59 return (-1); 60 if ((*euid = ucred_geteuid(ucred)) == (uid_t)-1) 61 return (-1); 62 if ((*gid = ucred_getrgid(ucred)) == (gid_t)-1) 63 return (-1); 64 65 ucred_free(ucred); 66 67 return (0); 68 } 69 #else 70 int 71 getpeereid(int s, uid_t *euid, gid_t *gid) 72 { 73 *euid = geteuid(); 74 *gid = getgid(); 75 76 return (0); 77 } 78 #endif /* defined(SO_PEERCRED) */ 79 80 #endif /* !defined(HAVE_GETPEEREID) */ 81