1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma weak _getpeerucred = getpeerucred 28 29 #include "lint.h" 30 31 #include <sys/types.h> 32 #include <sys/syscall.h> 33 #include <ucred.h> 34 #include <sys/ucred.h> 35 36 int 37 getpeerucred(int fd, ucred_t **ucp) 38 { 39 ucred_t *uc = *ucp; 40 41 if (uc == NULL) { 42 uc = _ucred_alloc(); 43 if (uc == NULL) 44 return (-1); 45 } 46 47 if (syscall(SYS_ucredsys, UCREDSYS_GETPEERUCRED, fd, uc) != 0) { 48 if (*ucp == NULL) 49 ucred_free(uc); 50 return (-1); 51 } 52 *ucp = uc; 53 return (0); 54 } 55