mirror of
https://gitlab.com/cryptsetup/cryptsetup.git
synced 2025-12-13 03:40:05 +01:00
136 lines
3.4 KiB
Bash
Executable File
136 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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CRYPTSETUP=../src/cryptsetup
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REENC=../src/cryptsetup-reencrypt
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DEV_NAME=reenc9768
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DEV_NAME2=reenc1273
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IMG=reenc-data
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KEY1=key1
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PWD1="93R4P4pIqAH8"
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function remove_mapping()
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{
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[ -b /dev/mapper/$DEV_NAME2 ] && dmsetup remove $DEV_NAME2
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[ -b /dev/mapper/$DEV_NAME ] && dmsetup remove $DEV_NAME
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[ ! -z "$LOOPDEV1" ] && losetup -d $LOOPDEV1 >/dev/null 2>&1
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rm -f $IMG $KEY1 >/dev/null 2>&1
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LOOPDEV1=""
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}
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function fail()
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{
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[ -n "$1" ] && echo "$1"
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echo "FAILED"
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remove_mapping
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exit 2
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}
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function skip()
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{
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[ -n "$1" ] && echo "$1"
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exit 0
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}
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function open_crypt()
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{
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if [ -n "$1" ] ; then
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echo "$1" | $CRYPTSETUP luksOpen $LOOPDEV1 $DEV_NAME || fail
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else
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$CRYPTSETUP luksOpen -d key1 $LOOPDEV1 $DEV_NAME || fail
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fi
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}
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function wipe_dev() # $1 dev
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{
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dd if=/dev/zero of=$1 bs=256k >/dev/null 2>&1
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}
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function wipe() # $1 pass
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{
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open_crypt $1
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wipe_dev /dev/mapper/$DEV_NAME
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$CRYPTSETUP luksClose $DEV_NAME || fail
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}
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function prepare() # $1 dev1_siz
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{
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remove_mapping
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dd if=/dev/zero of=$IMG bs=1k count=$1 >/dev/null 2>&1
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LOOPDEV1=$(losetup -f 2>/dev/null)
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[ -z "$LOOPDEV1" ] && fail "No free loop device"
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losetup $LOOPDEV1 $IMG
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if [ ! -e $KEY1 ]; then
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dd if=/dev/urandom of=$KEY1 count=1 bs=32 >/dev/null 2>&1
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fi
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}
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function check_hash_dev() # $1 dev, $2 hash
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{
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HASH=$(sha256sum $1 | cut -d' ' -f 1)
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[ $HASH != "$2" ] && fail "HASH differs ($HASH)"
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}
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function check_hash() # $1 pwd, $2 hash
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{
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open_crypt $1
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check_hash_dev /dev/mapper/$DEV_NAME $2
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$CRYPTSETUP remove $DEV_NAME || fail
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}
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[ $(id -u) != 0 ] && skip "WARNING: You must be root to run this test, test skipped."
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[ ! -x "$REENC" ] && skip "Cannot find $REENC, test skipped."
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# REENCRYPTION tests
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HASH1=b69dae56a14d1a8314ed40664c4033ea0a550eea2673e04df42a66ac6b9faf2c
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HASH2=d85ef2a08aeac2812a648deb875485a6e3848fc3d43ce4aa380937f08199f86b
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HASH3=e4e5749032a5163c45125eccf3e8598ba5ed840df442c97e1d5ad4ad84359605
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echo "[1] Reencryption"
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prepare 8192
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echo $PWD1 | $CRYPTSETUP -q luksFormat -s 128 -c aes-cbc-plain -i 1 --align-payload 4096 $LOOPDEV1 || fail
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wipe $PWD1
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check_hash $PWD1 $HASH1
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echo $PWD1 | $REENC $LOOPDEV1 -q
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check_hash $PWD1 $HASH1
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echo $PWD1 | $REENC $LOOPDEV1 -q -s 256
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check_hash $PWD1 $HASH1
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echo $PWD1 | $REENC $LOOPDEV1 -q -s 256 -c aes-xts-plain64 -h sha256
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check_hash $PWD1 $HASH1
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echo $PWD1 | $REENC $LOOPDEV1 -q --use-directio
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check_hash $PWD1 $HASH1
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echo "[2] Reencryption with data shift"
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echo $PWD1 | $CRYPTSETUP -q luksFormat -c aes-cbc-essiv:sha256 -s 128 -i 1 --align-payload 2048 $LOOPDEV1 || fail
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wipe $PWD1
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echo $PWD1 | $REENC $LOOPDEV1 -q -s 256 --reduce-device-size 1024S || fail
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check_hash $PWD1 $HASH2
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echo $PWD1 | $REENC $LOOPDEV1 -q -i 1 || fail
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check_hash $PWD1 $HASH2
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echo "[3] Reencryption with keyfile"
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echo $PWD1 | $CRYPTSETUP -q luksFormat -d key1 -c aes-cbc-essiv:sha256 -s 128 -i 1 --align-payload 4096 $LOOPDEV1 || fail
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wipe
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check_hash "" $HASH1
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echo $PWD1 | $CRYPTSETUP -q luksAddKey -d key1 $LOOPDEV1 || fail
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$REENC $LOOPDEV1 -d key1 -S 0 -i 1 -q || fail
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check_hash "" $HASH1
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# FIXME echo $PWD1 | $REENC ...
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echo "[4] Encryption of not yet encrypted device"
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# well, movin' zeroes :-)
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OFFSET=2048
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SIZE=$(blockdev --getsz $LOOPDEV1)
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wipe_dev $LOOPDEV1
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dmsetup create $DEV_NAME2 --table "0 $(($SIZE - $OFFSET)) linear $LOOPDEV1 0" || fail
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check_hash_dev /dev/mapper/$DEV_NAME2 $HASH3
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dmsetup remove $DEV_NAME2 || fail
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echo $PWD1 | $REENC $LOOPDEV1 -c aes-cbc-essiv:sha256 -s 128 --new --reduce-device-size "$OFFSET"S -q
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check_hash $PWD1 $HASH3
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remove_mapping
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exit 0
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