e0fd837a30
Update tests to reflect the changes of "open(2): Remove O_BENEATH and
AT_BENEATH" in 20e91ca36a.
106 lines
3.1 KiB
Bash
Executable File
106 lines
3.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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# Copyright (c) 2021 Konstantin Belousov <kib@FreeBSD.org>
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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 of open(2) with the O_RESOLVE_BENEATH flag.
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# userret: returning with the following locks held:
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# shared lockmgr ufs (ufs) r = 0 (0xfffff804ec0d2a48) locked @
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# kern/vfs_subr.c:2590 seen in WiP code:
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# https://people.freebsd.org/~pho/stress/log/kostik1126.txt
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top=/tmp/beneath.d
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mkdir -p $top
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cat > $top/beneath.c <<EOF
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/* $Id: beneath.c,v 1.1 2018/10/13 16:53:02 kostik Exp kostik $ */
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#include <sys/stat.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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int
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main(int argc, char *argv[])
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{
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struct stat st;
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char *name;
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int error, fd, i;
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for (i = 1; i < argc; i++) {
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name = argv[i];
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alarm(120);
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fd = open(name, O_RDONLY | O_RESOLVE_BENEATH);
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if (fd == -1) {
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fprintf(stderr, "open(\"%s\") failed, error %d %s\n",
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name, errno, strerror(errno));
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} else {
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fprintf(stderr, "open(\"%s\") succeeded\n", name);
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close(fd);
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}
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error = fstatat(AT_FDCWD, name, &st, AT_RESOLVE_BENEATH);
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if (error == -1){
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fprintf(stderr, "stat(\"%s\") failed, error %d %s\n",
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name, errno, strerror(errno));
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} else {
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fprintf(stderr, "stat(\"%s\") succeeded\n", name);
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}
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}
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}
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EOF
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cc -o $top/beneath -Wall -Wextra $top/beneath.c || exit 1
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rm $top/beneath.c
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# Test with two directories as arguments:
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cd $top
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mkdir -p a/b
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./beneath a/b
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./beneath $top/a/b
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touch $top/a/c
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./beneath a/c
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./beneath $top/a/c
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./beneath a/d
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./beneath $top/a/d
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# CWD is still $top for this test
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top2=/var/tmp/beneath.d
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mkdir -p $top2
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mkdir -p $top2/a/b
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./beneath $top2/a/b > /dev/null 2>&1
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touch $top2/a/c
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./beneath $top2/a/c > /dev/null 2>&1
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# Other CWDs
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(cd /etc; find . | head -1000 | xargs $top/beneath) > /dev/null 2>&1
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(cd /var; find . | head -1000 | xargs $top/beneath) > /dev/null 2>&1
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rm -rf $top $top2
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exit 0
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