1#!/bin/sh 2 3# 4# Copyright (c) 2011 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# Test for SU problem with false EMLINK 30 31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 32 33. ../default.cfg 34 35here=`pwd` 36cd /tmp 37sed '1,/^EOF/d' < $here/$0 > linger3.c 38mycc -o linger3 -Wall -Wextra -O2 linger3.c 39rm -f linger3.c 40 41mount | grep "$mntpoint" | grep -q md$mdstart && umount $mntpoint 42mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 43 44mdconfig -a -t swap -s 2g -u $mdstart 45bsdlabel -w md$mdstart auto 46[ $# -eq 1 ] && opt="$1" 47[ $# -eq 0 ] && opt=$newfs_flags # No argument == default flag 48echo "newfs $opt md${mdstart}$part" 49newfs $opt md${mdstart}$part > /dev/null 50mount /dev/md${mdstart}$part $mntpoint 51 52cd $mntpoint 53chmod 777 $mntpoint 54 55su $testuser -c "/tmp/linger3" 56 57cd $here 58 59while mount | grep -q $mntpoint; do 60 umount $mntpoint 2> /dev/null || sleep 1 61done 62mdconfig -d -u $mdstart 63rm -f /tmp/linger3 64exit 0 65EOF 66#include <sys/types.h> 67#include <err.h> 68#include <errno.h> 69#include <fcntl.h> 70#include <sched.h> 71#include <stdio.h> 72#include <stdlib.h> 73#include <sys/stat.h> 74#include <sys/wait.h> 75#include <unistd.h> 76 77#define PARALLEL 4 78#define ND ((32767 / PARALLEL) - 2) 79 80static pid_t p; 81 82void 83setup(int loop) 84{ 85 int d; 86 char name[128]; 87 88 for (d = 0; d < ND; d++) { 89 snprintf(name, sizeof(name), "d%06d.%03d", p, d); 90 if (mkdir(name, 00700) == -1) 91 err(1, "mkdir(%s) @ loop #%d", name, loop); 92 } 93} 94 95void 96prune(int loop) 97{ 98 int d; 99 char name[128]; 100 101 for (d = 0; d < ND; d++) { 102 snprintf(name, sizeof(name), "d%06d.%03d", p, d); 103 if (rmdir(name) == -1) 104 err(1, "rmdir(%s) @ loop #%d", name, loop); 105 } 106} 107 108int 109main() 110{ 111 int i, j; 112 int linger = 0; 113 114 if (getenv("LINGER")) 115 linger = atoi(getenv("LINGER")); 116 117 for (i = 0; i < PARALLEL; i++) { 118 if (fork() == 0) { 119 p = getpid(); 120 for (j = 0; j < 10; j++) { 121 setup(j); 122 prune(j); 123 if (linger != 0) 124 sleep(linger); 125 } 126 _exit(0); 127 } 128 } 129 130 for (i = 0; i < PARALLEL; i++) 131 wait(NULL); 132 133 return (0); 134} 135