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134 lines
3.1 KiB
Bash
Executable File
134 lines
3.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2011 Peter Holm <pho@FreeBSD.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Test for SU problem with false EMLINK
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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here=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $here/$0 > linger3.c
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mycc -o linger3 -Wall -Wextra -O2 linger3.c
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rm -f linger3.c
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mount | grep "$mntpoint" | grep -q md$mdstart && umount $mntpoint
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mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart
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mdconfig -a -t swap -s 2g -u $mdstart
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[ $# -eq 1 ] && opt="$1"
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[ $# -eq 0 ] && opt=$newfs_flags # No argument == default flag
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echo "newfs $opt md$mdstart"
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newfs $opt md$mdstart > /dev/null
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mount /dev/md$mdstart $mntpoint
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cd $mntpoint
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chmod 777 $mntpoint
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su $testuser -c "/tmp/linger3"
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cd $here
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while mount | grep -q $mntpoint; do
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umount $mntpoint 2> /dev/null || sleep 1
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done
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mdconfig -d -u $mdstart
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rm -f /tmp/linger3
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exit 0
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EOF
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#include <sys/types.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sched.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#define PARALLEL 4
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#define ND ((32767 / PARALLEL) - 2)
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static pid_t p;
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void
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setup(int loop)
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{
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int d;
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char name[128];
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for (d = 0; d < ND; d++) {
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snprintf(name, sizeof(name), "d%06d.%03d", p, d);
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if (mkdir(name, 00700) == -1)
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err(1, "mkdir(%s) @ loop #%d", name, loop);
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}
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}
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void
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prune(int loop)
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{
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int d;
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char name[128];
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for (d = 0; d < ND; d++) {
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snprintf(name, sizeof(name), "d%06d.%03d", p, d);
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if (rmdir(name) == -1)
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err(1, "rmdir(%s) @ loop #%d", name, loop);
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}
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}
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int
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main()
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{
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int i, j;
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int linger = 0;
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if (getenv("LINGER"))
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linger = atoi(getenv("LINGER"));
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for (i = 0; i < PARALLEL; i++) {
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if (fork() == 0) {
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p = getpid();
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for (j = 0; j < 10; j++) {
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setup(j);
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prune(j);
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if (linger != 0)
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sleep(linger);
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}
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_exit(0);
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}
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}
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for (i = 0; i < PARALLEL; i++)
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wait(NULL);
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return (0);
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}
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