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 2010 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <sys/syscall.h> 28 #include <unistd.h> 29 #include <fcntl.h> 30 #include <errno.h> 31 #include <sys/param.h> 32 #include "compat.h" /* for UTMPX_MAGIC_FLAG */ 33 34 #define CREATFLAGS (O_WRONLY | O_CREAT | O_TRUNC) 35 36 int 37 creat_com(char *path, int mode) 38 { 39 int fd; 40 41 if (strcmp(path, "/etc/mtab") == 0 || 42 strcmp(path, "/etc/fstab") == 0) { 43 errno = ENOENT; 44 return (-1); 45 } 46 if (strcmp(path, "/var/adm/wtmp") == 0) { 47 if ((fd = _syscall(SYS_openat, AT_FDCWD, 48 "/var/adm/wtmpx", CREATFLAGS, mode)) >= 0) 49 fd_add(fd, UTMPX_MAGIC_FLAG); 50 return (fd); 51 } 52 if (strcmp(path, "/etc/utmp") == 0 || 53 strcmp(path, "/var/adm/utmp") == 0) { 54 if ((fd = _syscall(SYS_openat, AT_FDCWD, 55 "/var/adm/utmpx", CREATFLAGS, mode)) >= 0) 56 fd_add(fd, UTMPX_MAGIC_FLAG); 57 return (fd); 58 } 59 return (_syscall(SYS_openat, AT_FDCWD, path, CREATFLAGS, mode)); 60 } 61