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#!/bin/sh
# exercise the resize library; FAT and HFS+ only
# Copyright (C) 2009-2014, 2019-2022 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../parted .
require_root_
require_scsi_debug_module_
require_512_byte_sector_size_
FSTYPES=""
# Is mkfs.hfsplus available?
mkfs.hfsplus 2>&1 | grep '^usage:' && FSTYPES="hfs+"
# Is mkfs.vfat available?
mkfs.vfat 2>&1 | grep '^Usage:' && FSTYPES="$FSTYPES fat32 fat16"
[ -n "$FSTYPES" ] || skip_ "Neither mkfs.hfsplus nor mkfs.vfat installed"
ss=$sector_size_
start=63s
default_end=546147s
new_end=530144s
# create memory-backed device. Must be > 256MB+8MB
scsi_debug_setup_ dev_size_mb=267 > dev-name ||
skip_ 'failed to create scsi_debug device'
dev=$(cat dev-name)
fail=0
parted -s $dev mklabel gpt > out 2>&1 || fail=1
# expect no output
compare /dev/null out || fail=1
# ensure that the disk is large enough
dev_n_sectors=$(parted -s $dev u s p|sed -n '2s/.* \([0-9]*\)s$/\1/p')
device_sectors_required=$(echo $default_end | sed 's/s$//')
# Ensure that $dev is large enough for this test
test $device_sectors_required -le $dev_n_sectors || fail=1
# create mount point dir
mount_point="`pwd`/mnt"
mkdir "$mount_point" || fail=1
# be sure to unmount upon interrupt, failure, etc.
cleanup_fn_() { umount "${dev}1" > /dev/null 2>&1; }
for fs_type in $FSTYPES; do
echo "fs_type=$fs_type"
# create an empty $fs_type partition, cylinder aligned, size > 256 MB
parted -a min -s $dev mkpart p1 $start $default_end > out 2>&1 || fail=1
compare /dev/null out || fail=1
# print partition table
parted -m -s $dev u s p > out 2>&1 || fail=1
# wait for new partition device to appear
wait_for_dev_to_appear_ ${dev}1
case $fs_type in
fat16) mkfs_cmd='mkfs.vfat -F 16'; fsck='fsck.vfat -v';;
fat32) mkfs_cmd='mkfs.vfat -F 32'; fsck='fsck.vfat -v';;
hfs*) mkfs_cmd='mkfs.hfsplus'; fsck=fsck.hfsplus;;
*) error "internal error: unhandled fs type: $fs_type";;
esac
# create the file system
$mkfs_cmd ${dev}1 || fail=1
# create 500 deep directory tree with longest name 4000 characters
# to catch core dump in libparted/fs/r/fat/count.c flag_traverse_dir()
# overflowing 512 byte file_name local buffer.
mount "${dev}1" "$mount_point" || fail=1
cat /dev/null > exp
( cd "$mount_point"; for d in `seq 500`; do mkdir TESTDIR; cd TESTDIR; done ) > out
compare exp out || fail=1 # Ensure no errors creating directory tree
umount "${dev}1" || fail=1
# NOTE: shrinking is the only type of resizing that works.
# resize that file system to be one cylinder (8MiB) smaller
fs-resize ${dev}1 0 $new_end > out 2>&1 || fail=1
# check for expected output
case $fs_type in
fat16) cat << EOF > exp || framework_failure
Information: Would you like to use FAT32? If you leave your file system as FAT16, then you will have no problems. If you convert to FAT32, and MS Windows is installed on this partition, then you must re-install the MS Windows boot loader. If you want to do this, you should consult the Parted manual (or your distribution's manual). Also, converting to FAT32 will make the file system unreadable by MS DOS, MS Windows 95a, and MS Windows NT.
EOF
;;
fat32) cat /dev/null > exp || framework_failure;; # expect no output
hfs*) cat /dev/null > exp || framework_failure;; # expect no output
esac
compare exp out || fail=1
# This is known to segfault with fsck.hfs from
# Fedora 16's hfsplus-tools-332.14-12.fc15.x86_64.
# You can build a working version from
# git://cavan.codon.org.uk/hfsplus-tools.git
# Skip the fsck.hfs test unless it understands the -v option.
skip=0
case $fs_type in
hfs*) $fsck -v || { warn_ skipping $fsck test; skip=1; } ;; esac
if test $skip = 0; then
$fsck ${dev}1 > out || fail=1
cat out
# Oops. Currently, fsck.hfs reports this:
# Executing fsck_hfs (version 540.1-Linux).
# ** Checking non-journaled HFS Plus Volume.
# The volume name is untitled
# ** Checking extents overflow file.
# ** Checking catalog file.
# ** Checking multi-linked files.
# ** Checking catalog hierarchy.
# ** Checking volume bitmap.
# Volume bitmap needs minor repair for orphaned blocks
# ** Checking volume information.
# Invalid volume free block count
# (It should be 67189 instead of 65197)
# Volume header needs minor repair
# (2, 0)
# FIXME: This means the HFS resizing code is wrong.
# FIXME: parse "out" for FS size and verify that it's the new, smaller size
fi
# Remove the partition explicitly, so that mklabel doesn't evoke a warning.
parted -s $dev rm 1 || fail=1
# Create a clean partition table for the next iteration.
parted -s $dev mklabel gpt > out 2>&1 || fail=1
# expect no output
compare /dev/null out || fail=1
done
Exit $fail
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