diff options
Diffstat (limited to 'tests/align-test')
| -rwxr-xr-x | tests/align-test | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/tests/align-test b/tests/align-test new file mode 100755 index 0000000..ac3af88 --- /dev/null +++ b/tests/align-test @@ -0,0 +1,320 @@ +#!/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" + +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 2>/dev/null + 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: $1" + cleanup + exit 0 +} + +function dm_crypt_features() +{ + VER_STR=$(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 + 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 --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 --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 +} + +if [ $(id -u) != 0 ]; then + echo "WARNING: You must be root to run this test, test skipped." + exit 77 +fi + +dm_crypt_features +modprobe --dry-run scsi_debug || exit 77 +cleanup + +echo "# Create desktop-class 4K drive" +echo "# (logical_block_size=512, physical_block_size=4096, alignment_offset=0)" +add_device dev_size_mb=16 sector_size=512 physblk_exp=3 num_tgts=1 +format 256 4096 +format 256 2056 8 +format 128 2048 +format 128 1032 8 +format 256 8192 8192 +format 128 8192 8192 +cleanup + +echo "# Create desktop-class 4K drive with misaligned opt-io (some bad USB enclosures)" +echo "# (logical_block_size=512, physical_block_size=4096, alignment_offset=0, opt-io=1025)" +add_device dev_size_mb=16 sector_size=512 physblk_exp=3 num_tgts=1 opt_blks=1025 +format 256 4096 +format 256 2056 8 +format 128 2048 +format 128 1032 8 +format 256 8192 8192 +format 128 8192 8192 +cleanup + +echo "# Create desktop-class 4K drive w/ 63-sector DOS partition compensation" +echo "# (logical_block_size=512, physical_block_size=4096, alignment_offset=3584)" +add_device dev_size_mb=16 sector_size=512 physblk_exp=3 lowest_aligned=7 num_tgts=1 +format 256 4103 +format 256 2056 8 +format 128 2055 +format 128 1032 8 +cleanup + +echo "# Create enterprise-class 4K drive" +echo "# (logical_block_size=4096, physical_block_size=4096, alignment_offset=0)" +add_device dev_size_mb=16 sector_size=4096 num_tgts=1 opt_blks=64 +format 256 4096 +format 256 2056 8 +format 128 2048 +format 128 1032 8 +cleanup + +echo "# Create classic 512B drive and stack dm-linear" +echo "# (logical_block_size=512, physical_block_size=512, alignment_offset=0)" +add_device dev_size_mb=16 sector_size=512 num_tgts=1 +DEV2=$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 + +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 64 2048 0 8:72:136:200:264:328:392:456 +format_null 64 520 1 +format_null 64 520 8 +format_null 64 640 128 +format_null 64 2048 2048 +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 64 2048 0 8:72:136:200:264:328:392:456 +format_null 64 520 1 +format_null 64 520 8 +format_null 64 640 128 +format_null 64 2048 2048 +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 "# 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 |