1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright 1984-2002 Sun Microsystems, Inc. All rights reserved. 28*0Sstevel@tonic-gate * Use is subject to license terms. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate /* 34*0Sstevel@tonic-gate * accton - calls syscall with super-user privileges 35*0Sstevel@tonic-gate */ 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <stdio.h> 38*0Sstevel@tonic-gate #include <sys/types.h> 39*0Sstevel@tonic-gate #include <sys/param.h> 40*0Sstevel@tonic-gate #include "acctdef.h" 41*0Sstevel@tonic-gate #include <errno.h> 42*0Sstevel@tonic-gate #include <sys/stat.h> 43*0Sstevel@tonic-gate #include <pwd.h> 44*0Sstevel@tonic-gate #include <fcntl.h> 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate uid_t admuid; 47*0Sstevel@tonic-gate struct passwd *pwd, *getpwnam(); 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate main(argc, argv) 50*0Sstevel@tonic-gate int argc; 51*0Sstevel@tonic-gate char **argv; 52*0Sstevel@tonic-gate { 53*0Sstevel@tonic-gate register uid_t uid; 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate uid = getuid(); 56*0Sstevel@tonic-gate if ((pwd = getpwnam("adm")) == NULL) { 57*0Sstevel@tonic-gate perror("cannot determine adm's uid"), exit(1); 58*0Sstevel@tonic-gate } 59*0Sstevel@tonic-gate admuid = pwd->pw_uid; 60*0Sstevel@tonic-gate if (uid == ROOT || uid == admuid) { 61*0Sstevel@tonic-gate if (setuid(ROOT) == ERR) { 62*0Sstevel@tonic-gate perror("cannot setuid (check command mode and owner)"); 63*0Sstevel@tonic-gate exit(1); 64*0Sstevel@tonic-gate } 65*0Sstevel@tonic-gate if (argv[1]) 66*0Sstevel@tonic-gate ckfile(argv[1]); 67*0Sstevel@tonic-gate if (acct(argc > 1 ? argv[1] : 0) < 0) { 68*0Sstevel@tonic-gate perror(argv[1]), exit(1); 69*0Sstevel@tonic-gate } 70*0Sstevel@tonic-gate exit(0); 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate } 73*0Sstevel@tonic-gate fprintf(stderr, "%s: permission denied\n", argv[0]); 74*0Sstevel@tonic-gate exit(1); 75*0Sstevel@tonic-gate } 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate ckfile(admfile) 78*0Sstevel@tonic-gate register char *admfile; 79*0Sstevel@tonic-gate { 80*0Sstevel@tonic-gate struct stat stbuf; 81*0Sstevel@tonic-gate register struct stat *s = &stbuf; 82*0Sstevel@tonic-gate int fd; 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate if ((fd = open(admfile, O_RDONLY|O_CREAT, 0644)) == ERR) { 85*0Sstevel@tonic-gate perror("creat"), exit(1); 86*0Sstevel@tonic-gate } 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate if (fstat(fd, s) == ERR) { 89*0Sstevel@tonic-gate perror("fstat"); 90*0Sstevel@tonic-gate exit(1); 91*0Sstevel@tonic-gate } 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate if (s->st_uid != admuid || s->st_gid != (gid_t)admuid) 94*0Sstevel@tonic-gate if (fchown(fd, admuid, (gid_t)admuid) == ERR) { 95*0Sstevel@tonic-gate perror("cannot change owner"), exit(1); 96*0Sstevel@tonic-gate } 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate /* was if(s->st_mode & 0777 != 0664) */ 99*0Sstevel@tonic-gate if ((s->st_mode & S_IAMB) != S_IRUSR|S_IWUSR|S_IRGRP|S_IWUSR|S_IROTH) 100*0Sstevel@tonic-gate if (fchmod(fd, S_IRUSR|S_IWUSR|S_IRGRP|S_IWUSR|S_IROTH) == ERR) { 101*0Sstevel@tonic-gate perror("cannot chmod"), exit(1); 102*0Sstevel@tonic-gate } 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate (void) close(fd); 105*0Sstevel@tonic-gate } 106