18a272653SPeter Holm#!/bin/sh 28a272653SPeter Holm 38a272653SPeter Holm# 4*4d846d26SWarner Losh# SPDX-License-Identifier: BSD-2-Clause 58a272653SPeter Holm# 68a272653SPeter Holm# Copyright (c) 2018 Dell EMC Isilon 78a272653SPeter Holm# 88a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 98a272653SPeter Holm# modification, are permitted provided that the following conditions 108a272653SPeter Holm# are met: 118a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 128a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 138a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 148a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 158a272653SPeter Holm# documentation and/or other materials provided with the distribution. 168a272653SPeter Holm# 178a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 188a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 198a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 208a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 218a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 228a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 238a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 248a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 258a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 268a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 278a272653SPeter Holm# SUCH DAMAGE. 288a272653SPeter Holm# 298a272653SPeter Holm 30e0fd837aSPeter Holm# O_RESOLVE_BENEATH test with a relative path, which is a symbolic link pointing 318a272653SPeter Holm# to an absolute path. 328a272653SPeter Holm 338a272653SPeter Holm# "panic: Assertion (ndp->ni_lcf & NI_LCF_LATCH) != 0 failed at 348a272653SPeter Holm# ../../../kern/vfs_lookup.c:182" seen. Fixed by r340343. 358a272653SPeter Holm 368a272653SPeter Holm# Based on scenario by Vladimir Kondratyev <vladimir kondratyev su> 378a272653SPeter Holm 388a272653SPeter Holm. ../default.cfg 398a272653SPeter Holm[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1 408a272653SPeter Holm 418a272653SPeter Holmdir=/tmp 428a272653SPeter Holmodir=`pwd` 438a272653SPeter Holmcd $dir 448a272653SPeter Holmsed '1,/^EOF/d' < $odir/$0 > $dir/beneath2.c 458a272653SPeter Holmmycc -o beneath2 -Wall -Wextra -O0 -g beneath2.c || exit 1 468a272653SPeter Holmrm -f beneath2.c 478a272653SPeter Holmcd $odir 488a272653SPeter Holm 498a272653SPeter Holmset -e 508a272653SPeter Holmmount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint 518a272653SPeter Holm[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 528a272653SPeter Holmmdconfig -a -t swap -s 1g -u $mdstart 53608c97bfSPeter Holmnewfs $newfs_flags md$mdstart > /dev/null 54608c97bfSPeter Holmmount /dev/md$mdstart $mntpoint 558a272653SPeter Holmset +e 568a272653SPeter Holm 578a272653SPeter Holmcd $mntpoint 588a272653SPeter Holmln -s /tmp/justalongname symlink 598a272653SPeter Holm$dir/beneath2 symlink 608a272653SPeter Holms=$? 618a272653SPeter Holm[ -f beneath2.core -a $s -eq 0 ] && 628a272653SPeter Holm { ls -l beneath2.core; mv beneath2.core $dir; s=1; } 638a272653SPeter Holmcd $odir 648a272653SPeter Holm 658a272653SPeter Holmfor i in `jot 6`; do 668a272653SPeter Holm mount | grep -q "on $mntpoint " || break 678a272653SPeter Holm umount $mntpoint && break || sleep 10 688a272653SPeter Holm [ $i -eq 6 ] && 698a272653SPeter Holm { echo FATAL; fstat -mf $mntpoint; exit 1; } 708a272653SPeter Holmdone 718a272653SPeter Holmmdconfig -d -u $mdstart 728a272653SPeter Holmrm -rf $dir/beneath2 738a272653SPeter Holmexit $s 748a272653SPeter Holm 758a272653SPeter HolmEOF 768a272653SPeter Holm#include <sys/types.h> 778a272653SPeter Holm 788a272653SPeter Holm#include <err.h> 798a272653SPeter Holm#include <errno.h> 808a272653SPeter Holm#include <fcntl.h> 818a272653SPeter Holm#include <stdio.h> 828a272653SPeter Holm#include <stdlib.h> 838a272653SPeter Holm 848a272653SPeter Holmint 858a272653SPeter Holmmain(int argc, char *argv[]) 868a272653SPeter Holm{ 878a272653SPeter Holm int fd; 888a272653SPeter Holm char *file; 898a272653SPeter Holm 908a272653SPeter Holm if (argc != 2) { 918a272653SPeter Holm fprintf(stderr, "Usage: %s <file>", argv[0]); 928a272653SPeter Holm exit(1); 938a272653SPeter Holm } 948a272653SPeter Holm file = argv[1]; 95e0fd837aSPeter Holm if ((fd = open(file, O_RDONLY | O_RESOLVE_BENEATH)) != 0 && 968a272653SPeter Holm errno != ENOTCAPABLE) 978a272653SPeter Holm err(1, "open(%s)", file); 988a272653SPeter Holm 998a272653SPeter Holm return (0); 1008a272653SPeter Holm} 101