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 (c) 1998 by Sun Microsystems, Inc. 28 * All rights reserved. 29 */ 30 #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.21 */ 31 32 #include <sys/types.h> 33 #include <signal.h> 34 #include <errno.h> 35 #include <utmpx.h> 36 #include <stdio.h> 37 #include <unistd.h> 38 39 int 40 main(int argc, char *argv[]) 41 { 42 int sig; 43 struct utmpx *u; 44 char usage[] = "usage: killall [signal]\n"; 45 char perm[] = "permission denied\n"; 46 47 if (geteuid() != 0) { 48 (void) write(2, perm, sizeof (perm)-1); 49 return (1); 50 } 51 switch (argc) { 52 case 1: 53 sig = SIGTERM; 54 break; 55 case 2: 56 if (str2sig(argv[1], &sig) == 0) 57 break; 58 default: 59 (void) write(2, usage, sizeof (usage)-1); 60 return (1); 61 } 62 63 while ((u = getutxent()) != NULL) { 64 if ((u->ut_type == LOGIN_PROCESS) || 65 (u->ut_type == USER_PROCESS)) 66 (void) kill(u->ut_pid, sig); 67 } 68 endutxent(); 69 70 return (0); 71 } 72