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|
#!/bin/bash
CRYPTSETUP="../src/cryptsetup"
DEV=""
cleanup() {
udevadm settle 2>/dev/null 2>&1
rmmod scsi_debug 2>/dev/null
sleep 2
}
fail()
{
[ -n "$1" ] && echo "$1"
cleanup
exit 100
}
add_device() {
modprobe scsi_debug $@
if [ $? -ne 0 ] ; then
echo "This kernel seems to not support proper scsi_debug module, test skipped."
exit 0
fi
sleep 2
DEV=$(grep scsi_debug /sys/block/*/device/model | cut -f4 -d /)
if [ ! -e /sys/block/$DEV/alignment_offset ] ; then
echo "This kernel seems to not support topology info, test skipped."
cleanup
exit 0
fi
DEV="/dev/$DEV"
[ -b $DEV ] || fail "Cannot find $DEV."
}
format() # key_bits expected [forced]
{
if [ -z "$3" ] ; then
echo -n "Formatting using topology info ($1 bits key)...."
echo xxx| $CRYPTSETUP luksFormat $DEV -q -s $1
else
echo -n "Formatting using forced offset $3 ($1 bits key)..."
echo xxx| $CRYPTSETUP luksFormat $DEV -q -s $1 --align-payload=$2
fi
ALIGN=$($CRYPTSETUP luksDump $DEV |grep "Payload offset" | sed -e s/.*\\t//)
#echo "ALIGN = $ALIGN"
if [ $ALIGN -ne $2 ] ; then
echo "FAIL"
echo "Expected alignment differs: expected $2 != detected $ALIGN"
fail
fi
echo "PASSED"
}
if [ $(id -u) != 0 ]; then
echo "WARNING: You must be root to run this test, test skipped."
exit 0
fi
modprobe --dry-run scsi_debug || exit 0
cleanup
echo "# Create desktop-class 4K drive"
echo "# (logical_block_size=512, physical_block_size=4096, alignment_offset=0)"
add_device dev_size_mb=16 sector_size=512 physblk_exp=3 num_tgts=1
format 256 2112
format 128 1088
format 256 8192 8192
format 128 8192 8192
cleanup
echo "# Create desktop-class 4K drive w/ 63-sector DOS partition compensation"
echo "# (logical_block_size=512, physical_block_size=4096, alignment_offset=3584)"
add_device dev_size_mb=16 sector_size=512 physblk_exp=3 lowest_aligned=7 num_tgts=1
format 256 2119
format 128 1095
cleanup
echo "# Create enterprise-class 4K drive"
echo "# (logical_block_size=4096, physical_block_size=4096, alignment_offset=0)"
add_device dev_size_mb=16 sector_size=4096 num_tgts=1
format 256 2560
format 128 1536
cleanup
echo "# Create classic 512b drive and stack dm-linear"
echo "# (logical_block_size=512, physical_block_size=512, alignment_offset=0)"
add_device dev_size_mb=16 sector_size=512 num_tgts=1
DEV2=$DEV
DEV=/dev/mapper/luks0xbabe
dmsetup create luks0xbabe --table "0 32768 linear $DEV2 0"
format 256 2112
format 128 1088
format 128 8192 8192
dmsetup remove luks0xbabe
cleanup
|
