tests/ts/mount/fstab-symlink

#!/bin/bash

#
# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
#
# This file is part of util-linux.
#
# This file 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 2 of the License, or
# (at your option) any later version.
#
# This file 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.
#

TS_TOPDIR="${0%/*}/../.."
TS_DESC="by devname (fstab symlink)"

. $TS_TOPDIR/functions.sh
ts_init "$*"

ts_check_test_command "$TS_CMD_MOUNT"
ts_check_test_command "$TS_CMD_UMOUNT"

ts_skip_nonroot
ts_check_losetup
ts_check_prog "mkfs.ext3"

LINKNAME="$TS_OUTDIR/${TS_TESTNAME}_lnk"

ts_device_init
DEVICE=$TS_LODEV

mkfs.ext3 $DEVICE &> /dev/null || ts_die "Cannot make ext3 on $DEVICE"

ts_device_has "TYPE" "ext3" $DEVICE || ts_die "Cannot find ext3 on $DEVICE"

[ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT

rm -rf $LINKNAME
ln -s $DEVICE $LINKNAME

ts_fstab_add $LINKNAME $TS_MOUNTPOINT "auto" "defaults,user"

# variant A) -- UID=0
$TS_CMD_MOUNT $LINKNAME >> $TS_OUTPUT 2>&1
ts_is_mounted $DEVICE || ts_die "A) Cannot find $DEVICE in /proc/mounts"
$TS_CMD_UMOUNT $LINKNAME || ts_die "A) Cannot umount $LINKNAME"

# varian B) -- disabled, the $TS_CMD_MOUNT is usually not a real program, but
#              libtool wrapper and the real mount is exec()ed with
#              LD_LIBRARY_PATH. This all is bad for suid programs...

#ts_init_suid $TS_CMD_MOUNT
#ts_init_suid $TS_CMD_UMOUNT
#
#su $TS_TESTUSER -c "$TS_CMD_MOUNT -v -v -v $LINKNAME" >> $TS_OUTPUT 2>&1
#ts_is_mounted $DEVICE
#   || ts_die "B) Cannot find $DEVICE in /proc/mounts"
#su $TS_TESTUSER -c "$TS_CMD_UMOUNT $LINKNAME" >> $TS_OUTPUT 2>&1 \
#   || ts_die "B) Cannot umount $LINKNAME"

ts_fstab_clean
rm -f $LINKNAME

ts_log "Success"
ts_finalize