openkylin
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cryptsetup
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cryptsetup/tests/align-test

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#!/bin/bash
[ -z "$CRYPTSETUP_PATH" ] && CRYPTSETUP_PATH=".."
CRYPTSETUP=$CRYPTSETUP_PATH/cryptsetup
DEV=""
DEV_STACKED="luks0xbabe"
DEV_NAME="dummyalign"
MNT_DIR="./mnt_luks"
PWD1="93R4P4pIqAH8"
PWD2="mymJeD8ivEhE"
FAST_PBKDF="--pbkdf-force-iterations 1000"
FIPS_MODE=$(cat /proc/sys/crypto/fips_enabled 2>/dev/null)
CRYPTSETUP_VALGRIND=../.libs/cryptsetup
CRYPTSETUP_LIB_VALGRIND=../.libs
function fips_mode()
{
[ -n "$FIPS_MODE" ] && [ "$FIPS_MODE" -gt 0 ]
}
cleanup() {
udevadm settle >/dev/null 2>&1
if [ -d "$MNT_DIR" ] ; then
umount -f $MNT_DIR 2>/dev/null
rmdir $MNT_DIR 2>/dev/null
fi
[ -b /dev/mapper/$DEV_STACKED ] && dmsetup remove --retry $DEV_STACKED >/dev/null 2>&1
[ -b /dev/mapper/$DEV_NAME ] && dmsetup remove --retry $DEV_NAME >/dev/null 2>&1
# FIXME scsi_debug sometimes in-use here
sleep 1
rmmod scsi_debug >/dev/null 2>&1
sleep 1
}
fail()
{
if [ -n "$1" ] ; then echo "FAIL $1" ; fi
echo "FAILED backtrace:"
while caller $frame; do ((frame++)); done
cleanup
exit 100
}
skip()
{
echo "TEST SKIPPED: $1"
cleanup
exit 77
}
function valgrind_setup()
{
command -v valgrind >/dev/null || fail "Cannot find valgrind."
[ ! -f $CRYPTSETUP_VALGRIND ] && fail "Unable to get location of cryptsetup executable."
export LD_LIBRARY_PATH="$CRYPTSETUP_LIB_VALGRIND:$LD_LIBRARY_PATH"
}
function valgrind_run()
{
INFOSTRING="$(basename ${BASH_SOURCE[1]})-line-${BASH_LINENO[0]}" ./valg.sh ${CRYPTSETUP_VALGRIND} "$@"
}
function dm_crypt_features()
{
VER_STR=$(dmsetup targets | grep crypt | cut -f2 -dv)
[ -z "$VER_STR" ] && fail "Failed to parse dm-crypt version."
VER_MAJ=$(echo $VER_STR | cut -f 1 -d.)
VER_MIN=$(echo $VER_STR | cut -f 2 -d.)
VER_PTC=$(echo $VER_STR | cut -f 3 -d.)
[ $VER_MAJ -lt 1 ] && return
[ $VER_MAJ -gt 1 ] && {
DM_PERF_CPU=1
DM_SECTOR_SIZE=1
return
}
[ $VER_MIN -lt 14 ] && return
DM_PERF_CPU=1
if [ $VER_MIN -ge 17 -o \( $VER_MIN -eq 14 -a $VER_PTC -ge 5 \) ]; then
DM_SECTOR_SIZE=1
fi
}
add_device() {
modprobe scsi_debug $@ delay=0 >/dev/null 2>&1
if [ $? -ne 0 ] ; then
echo "This kernel seems to not support proper scsi_debug module, test skipped."
exit 77
fi
sleep 2
DEV=$(grep -l -e scsi_debug /sys/block/*/device/model | cut -f4 -d /)
if [ ! -e /sys/block/$DEV/alignment_offset ] ; then
echo "This kernel seems to not support topology info, test skipped."
cleanup
exit 77
fi
DEV="/dev/$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 $PWD1 | $CRYPTSETUP luksFormat --type luks1 $DEV -q $FAST_PBKDF -c aes-cbc-essiv:sha256 -s $1 || fail
else
echo -n "Formatting using forced sector alignment $3 ($1 bits key)..."
echo $PWD1 | $CRYPTSETUP luksFormat --type luks1 $DEV -q $FAST_PBKDF -s $1 -c aes-cbc-essiv:sha256 --align-payload=$3 ||fail
fi
# check the device can be activated
echo $PWD1 | $CRYPTSETUP luksOpen $DEV $DEV_NAME || fail
$CRYPTSETUP close $DEV_NAME || fail
ALIGN=$($CRYPTSETUP luksDump $DEV |grep "Payload offset" | sed -e s/.*\\t//)
#echo "ALIGN = $ALIGN"
[ -z "$ALIGN" ] && fail
[ $ALIGN -ne $2 ] && fail "Expected alignment differs: expected $2 != detected $ALIGN"
# test some operation, just in case
echo -e "$PWD1\n$PWD2" | $CRYPTSETUP luksAddKey $DEV $FAST_PBKDF --new-key-slot 1
[ $? -ne 0 ] && fail "Keyslot add failed."
$CRYPTSETUP -q luksKillSlot $DEV 1
[ $? -ne 0 ] && fail "Keyslot removal failed."
echo "PASSED"
}
get_offsets()
{
$CRYPTSETUP luksDump $DEV | grep "$1" | cut -s -d ':' -f 2 | sed -e 's/\s//g' -e :a -e N -e 's/\n/:/g' -e 's/\s//g' -e ta
}
format_null()
{
if [ $3 -eq 0 ] ; then
echo -n "Formatting using topology info ($1 bits key) [slot 0"
echo | $CRYPTSETUP luksFormat --type luks1 $DEV -q $FAST_PBKDF -c null -s $1 || fail
else
echo -n "Formatting using forced sector alignment $3 ($1 bits key) [slot 0"
echo | $CRYPTSETUP luksFormat --type luks1 $DEV -q $FAST_PBKDF -c null -s $1 --align-payload=$3 || fail
fi
# check the device can be activated
echo | $CRYPTSETUP luksOpen $DEV $DEV_NAME || fail
$CRYPTSETUP close $DEV_NAME || fail
POFF=$(get_offsets "Payload offset")
[ -z "$POFF" ] && fail
[ $POFF != $2 ] && fail "Expected data offset differs: expected $2 != detected $POFF"
if [ -n "$4" ] ; then
for j in 1 2 3 4 5 6 7 ; do
echo -e "\n" | $CRYPTSETUP luksAddKey $DEV -q $FAST_PBKDF --new-key-slot $j -c null $PARAMS
echo -n $j
[ $? -ne 0 ] && fail
done
KOFF=$(get_offsets "Key material offset")
[ -z "$KOFF" ] && fail
[ $KOFF != $4 ] && fail "Expected keyslots offsets differ: expected $4 != detected $KOFF"
fi
echo "]...PASSED"
}
format_plain() # sector size
{
echo -n "Formatting plain device (sector size $1)..."
if [ -n "$DM_SECTOR_SIZE" ] ; then
echo $PWD1 | $CRYPTSETUP open --type plain --hash sha256 --sector-size $1 $DEV $DEV_NAME || fail
$CRYPTSETUP close $DEV_NAME || fail
echo "PASSED"
else
echo "N/A"
fi
}
format_plain_fail() # sector size
{
echo -n "Formatting plain device (sector size $1, must fail)..."
if [ -n "$DM_SECTOR_SIZE" ] ; then
echo $PWD1 | $CRYPTSETUP open --type plain --hash sha256 --sector-size $1 $DEV $DEV_NAME >/dev/null 2>&1 && fail
echo "PASSED"
else
echo "N/A"
fi
}
[ ! -x "$CRYPTSETUP" ] && skip "Cannot find $CRYPTSETUP, test skipped."
[ -n "$VALG" ] && valgrind_setup && CRYPTSETUP=valgrind_run
if [ $(id -u) != 0 ]; then
echo "WARNING: You must be root to run this test, test skipped."
exit 77
fi
dm_crypt_features
modprobe --dry-run scsi_debug >/dev/null 2>&1 || skip "This kernel seems to not support proper scsi_debug module, test skipped."
cleanup
if [ -d /sys/module/scsi_debug ] ; then
echo "Cannot use scsi_debug module (in use or compiled-in), test skipped."
exit 77
fi
echo "# Create desktop-class 4K drive"
echo "# (logical_block_size=512, physical_block_size=4096, alignment_offset=0)"
add_device dev_size_mb=16 sector_size=512 physblk_exp=3 num_tgts=1
format 256 4096
format 256 2056 8
format 128 2048
format 128 1032 8
format 256 8192 8192
format 128 8192 8192
cleanup
echo "# Create desktop-class 4K drive with misaligned opt-io (some bad USB enclosures)"
echo "# (logical_block_size=512, physical_block_size=4096, alignment_offset=0, opt-io=1025)"
add_device dev_size_mb=16 sector_size=512 physblk_exp=3 num_tgts=1 opt_blks=1025
format 256 4096
format 256 2056 8
format 128 2048
format 128 1032 8
format 256 8192 8192
format 128 8192 8192
cleanup
echo "# Create desktop-class 4K drive w/ 63-sector DOS partition compensation"
echo "# (logical_block_size=512, physical_block_size=4096, alignment_offset=3584)"
add_device dev_size_mb=16 sector_size=512 physblk_exp=3 lowest_aligned=7 num_tgts=1
format 256 4103
format 256 2056 8
format 128 2055
format 128 1032 8
cleanup
echo "# Create enterprise-class 4K drive"
echo "# (logical_block_size=4096, physical_block_size=4096, alignment_offset=0)"
add_device dev_size_mb=16 sector_size=4096 num_tgts=1 opt_blks=64
format 256 4096
format 256 2056 8
format 128 2048
format 128 1032 8
cleanup
echo "# Create classic 512B drive and stack dm-linear"
echo "# (logical_block_size=512, physical_block_size=512, alignment_offset=0)"
add_device dev_size_mb=16 sector_size=512 num_tgts=1
DEV2=$DEV
DEV=/dev/mapper/$DEV_STACKED
dmsetup create $DEV_STACKED --table "0 32768 linear $DEV2 0"
format 256 4096
format 256 2056 8
format 128 2048
format 128 1032 8
format 128 8192 8192
cleanup
echo "# Create classic 512B drive and stack dm-linear (plain mode)"
add_device dev_size_mb=16 sector_size=512 num_tgts=1
DEV2=$DEV
DEV=/dev/mapper/$DEV_STACKED
dmsetup create $DEV_STACKED --table "0 32768 linear $DEV2 0"
format_plain 512
format_plain 1024
format_plain 2048
format_plain 4096
format_plain_fail 1111
format_plain_fail 8192
echo "# Create classic 512B drive, unaligned to 4096 and stack dm-linear (plain mode)"
dmsetup remove --retry $DEV_STACKED >/dev/null 2>&1
dmsetup create $DEV_STACKED --table "0 32762 linear $DEV2 0"
format_plain 512
format_plain 1024
format_plain_fail 2048
format_plain_fail 4096
cleanup
# skip tests using empty passphrase (LUKS1 cipher_null)
if [ ! fips_mode ]; then
echo "# Offset check: 512B sector drive"
add_device dev_size_mb=16 sector_size=512 num_tgts=1
# |k| expO reqO expected slot offsets
format_null 128 2048 0 8:136:264:392:520:648:776:904
format_null 128 1032 1
format_null 128 1032 8
format_null 128 1152 128
format_null 128 2048 2048
format_null 256 4096 0 8:264:520:776:1032:1288:1544:1800
format_null 256 2056 1
format_null 256 2056 8
format_null 256 2176 128
format_null 256 4096 2048
format_null 512 4096 0 8:512:1016:1520:2024:2528:3032:3536
format_null 512 4040 1
format_null 512 4040 8
format_null 512 4096 128
format_null 512 4096 2048
cleanup
echo "# Offset check: 4096B sector drive"
add_device dev_size_mb=16 sector_size=4096 num_tgts=1 opt_blks=64
format_null 128 2048 0 8:136:264:392:520:648:776:904
format_null 128 1032 1
format_null 128 1032 8
format_null 128 1152 128
format_null 128 2048 2048
format_null 256 4096 0 8:264:520:776:1032:1288:1544:1800
format_null 256 2056 1
format_null 256 2056 8
format_null 256 2176 128
format_null 256 4096 2048
format_null 512 4096 0 8:512:1016:1520:2024:2528:3032:3536
format_null 512 4040 1
format_null 512 4040 8
format_null 512 4096 128
format_null 512 4096 2048
cleanup
fi
echo "# Create enterprise-class 4K drive with fs and LUKS images."
# loop device here presents 512 block but images have 4k block
# cryptsetup should properly use 4k block on direct-io
add_device dev_size_mb=32 sector_size=4096 physblk_exp=0 num_tgts=1 opt_blks=64
for file in $(ls img_fs_*.img.xz) ; do
echo "Format using fs image $file."
xz -d -c $file | dd of=$DEV bs=1M 2>/dev/null || fail "bad image"
[ ! -d $MNT_DIR ] && mkdir $MNT_DIR
mount $DEV $MNT_DIR || skip "Mounting image is not available."
echo $PWD1 | $CRYPTSETUP luksFormat --type luks1 --key-size 256 $FAST_PBKDF $MNT_DIR/luks.img || fail
echo $PWD2 | $CRYPTSETUP luksFormat --type luks1 --key-size 256 $FAST_PBKDF $MNT_DIR/luks.img --header $MNT_DIR/luks_header.img || fail
umount $MNT_DIR
done
cleanup
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