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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 1984-2002 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 /* 34 * accton - calls syscall with super-user privileges 35 */ 36 37 #include <stdio.h> 38 #include <sys/types.h> 39 #include <sys/param.h> 40 #include "acctdef.h" 41 #include <errno.h> 42 #include <sys/stat.h> 43 #include <pwd.h> 44 #include <fcntl.h> 45 46 uid_t admuid; 47 struct passwd *pwd, *getpwnam(); 48 49 main(argc, argv) 50 int argc; 51 char **argv; 52 { 53 register uid_t uid; 54 55 uid = getuid(); 56 if ((pwd = getpwnam("adm")) == NULL) { 57 perror("cannot determine adm's uid"), exit(1); 58 } 59 admuid = pwd->pw_uid; 60 if (uid == ROOT || uid == admuid) { 61 if (setuid(ROOT) == ERR) { 62 perror("cannot setuid (check command mode and owner)"); 63 exit(1); 64 } 65 if (argv[1]) 66 ckfile(argv[1]); 67 if (acct(argc > 1 ? argv[1] : 0) < 0) { 68 perror(argv[1]), exit(1); 69 } 70 exit(0); 71 72 } 73 fprintf(stderr, "%s: permission denied\n", argv[0]); 74 exit(1); 75 } 76 77 ckfile(admfile) 78 register char *admfile; 79 { 80 struct stat stbuf; 81 register struct stat *s = &stbuf; 82 int fd; 83 84 if ((fd = open(admfile, O_RDONLY|O_CREAT, 0644)) == ERR) { 85 perror("creat"), exit(1); 86 } 87 88 if (fstat(fd, s) == ERR) { 89 perror("fstat"); 90 exit(1); 91 } 92 93 if (s->st_uid != admuid || s->st_gid != (gid_t)admuid) 94 if (fchown(fd, admuid, (gid_t)admuid) == ERR) { 95 perror("cannot change owner"), exit(1); 96 } 97 98 /* was if(s->st_mode & 0777 != 0664) */ 99 if ((s->st_mode & S_IAMB) != S_IRUSR|S_IWUSR|S_IRGRP|S_IWUSR|S_IROTH) 100 if (fchmod(fd, S_IRUSR|S_IWUSR|S_IRGRP|S_IWUSR|S_IROTH) == ERR) { 101 perror("cannot chmod"), exit(1); 102 } 103 104 (void) close(fd); 105 } 106