1#!/bin/sh 2 3# 4# Copyright (c) 2008 Peter Holm <pho@FreeBSD.org> 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Regression test. Causes panic on 6.1 30 31. ../default.cfg 32 33odir=`pwd` 34dir=/tmp 35 36cd $dir 37sed '1,/^EOF/d' < $odir/$0 > $dir/revoke.c 38mycc -o revoke -Wall revoke.c || exit 1 39rm -f revoke.c 40 41n=100 # Number of times to test 42for i in `jot $n`; do 43 ./revoke /dev/ttyv9 > /dev/null 2>&1 & 44 ./revoke /dev/ttyva > /dev/null 2>&1 & 45 ./revoke /dev/ttyvb > /dev/null 2>&1 & 46 ./revoke /dev/ttyvc > /dev/null 2>&1 & 47 wait 48done 49 50rm -f revoke 51 52exit 53EOF 54/* By Martin Blapp, <mb@imp.ch> <mbr@FreeBSD.org> */ 55 56#include <stdlib.h> 57#include <stdio.h> 58#include <unistd.h> 59#include <fcntl.h> 60#include <err.h> 61#include <sys/ioctl.h> 62#include <sys/wait.h> 63#include <string.h> 64 65/*#define TTY "/dev/ttyv9"*/ /* should be totally unused */ 66#define CTTY "/dev/tty" 67 68int 69main(int argc, char **argv) 70{ 71 int ttyfd; 72 pid_t pid; 73 74 if (argc != 2) { 75 fprintf(stderr, "Usage: %s /dev/ttyv?\n", argv[0]); 76 return 1; 77 } 78 79 /* Get rid of my ctty. */ 80 printf("Parent starting: pid %d\n", getpid()); 81 pid = fork(); 82 if (pid < 0) { 83 err(1, "fork"); 84 exit(1); 85 } else if (pid > 0) { 86 int status; 87 /* parent */ 88 waitpid(pid, &status, 0); 89 exit(0); 90 } 91 /* child */ 92 printf("Child: pid %d\n", getpid()); 93 94 if (setsid() < 0) { 95 err(1, "setsid"); 96 exit(1); 97 } 98 ttyfd = open(argv[1], O_RDWR); 99 if (ttyfd < 0) { 100 err(1, "open(%s)", argv[1]); 101 exit(1); 102 } 103 if (ioctl(ttyfd, TIOCSCTTY) < 0) { 104 err(1, "ioctl(TIOCSCTTY)"); 105 exit(1); 106 } 107 if (revoke(argv[1]) < 0) { 108 err(1, "revoke(%s)", argv[1]); 109 exit(1); 110 } 111 if (open(CTTY, O_RDWR) < 0) { 112 err(1, "open(%s)", CTTY); 113 exit(1); 114 } 115 return 0; 116} 117