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-rwxr-xr-xtests/mode-test169
1 files changed, 169 insertions, 0 deletions
diff --git a/tests/mode-test b/tests/mode-test
new file mode 100755
index 0000000..671620c
--- /dev/null
+++ b/tests/mode-test
@@ -0,0 +1,169 @@
+#!/bin/bash
+#
+# Test mode compatibility, check input + kernel and cryptsetup cipher status
+#
+CRYPTSETUP=../cryptsetup
+DEV_NAME=dmc_test
+HEADER_IMG=mode-test.img
+PASSWORD=3xrododenron
+PASSWORD1=$PASSWORD
+
+# cipher-chainmode-ivopts:ivmode
+CIPHERS="aes twofish serpent"
+MODES="cbc lrw xts"
+IVMODES="null benbi plain plain64 essiv:sha256"
+
+LOOPDEV=$(losetup -f 2>/dev/null)
+
+dmremove() { # device
+ udevadm settle >/dev/null 2>&1
+ dmsetup remove $1 >/dev/null 2>&1
+}
+
+cleanup() {
+ for dev in $(dmsetup status --target crypt | sed s/\:\ .*// | grep "^$DEV_NAME"_); do
+ dmremove $dev
+ sleep 2
+ done
+ [ -b /dev/mapper/$DEV_NAME ] && dmremove $DEV_NAME
+ losetup -d $LOOPDEV >/dev/null 2>&1
+ rm -f $HEADER_IMG >/dev/null 2>&1
+}
+
+fail()
+{
+ [ -n "$1" ] && echo "$1"
+ echo "FAILED at line $(caller)"
+ cleanup
+ exit 100
+}
+
+skip()
+{
+ [ -n "$1" ] && echo "$1"
+ exit 77
+}
+
+add_device() {
+ cleanup
+ dd if=/dev/zero of=$HEADER_IMG bs=1M count=6 >/dev/null 2>&1
+ sync
+ losetup $LOOPDEV $HEADER_IMG >/dev/null 2>&1
+ dmsetup create $DEV_NAME --table "0 10240 linear $LOOPDEV 8" >/dev/null 2>&1
+}
+
+dmcrypt_check() # device outstring
+{
+ X=$(dmsetup table $1 2>/dev/null | sed 's/.*: //' | cut -d' ' -f 4)
+ if [ "$X" = $2 ] ; then
+ echo -n "[table OK]"
+ else
+ echo "[table FAIL]"
+ echo " Expecting $2 got $X."
+ fail
+ fi
+
+ X=$($CRYPTSETUP status $1 | grep cipher: | sed s/\.\*cipher:\\s*//)
+ if [ $X = $2 ] ; then
+ echo -n "[status OK]"
+ else
+ echo "[status FAIL]"
+ echo " Expecting $2 got \"$X\"."
+ fail
+ fi
+
+ dmremove $1
+}
+
+dmcrypt_check_sum() # cipher device
+{
+ EXPSUM="c036cbb7553a909f8b8877d4461924307f27ecb66cff928eeeafd569c3887e29"
+ # Fill device with zeroes and reopen it
+ dd if=/dev/zero of=/dev/mapper/$2 bs=1M count=6 >/dev/null 2>&1
+ sync
+ dmremove $2
+
+ echo $PASSWORD | $CRYPTSETUP create -h sha256 -c $1 -s 256 $2 /dev/mapper/$DEV_NAME >/dev/null 2>&1
+ ret=$?
+ VSUM=$(sha256sum /dev/mapper/$2 | cut -d' ' -f 1)
+ if [ $ret -eq 0 -a "$VSUM" = "$EXPSUM" ] ; then
+ echo -n "[OK]"
+ else
+ echo "[FAIL]"
+ echo " Expecting $EXPSUM got $VSUM."
+ fail
+ fi
+
+ dmremove $2
+}
+
+dmcrypt()
+{
+ OUT=$2
+ [ -z "$OUT" ] && OUT=$1
+ printf "%-31s" "$1"
+
+ echo $PASSWORD | $CRYPTSETUP create -h sha256 -c $1 -s 256 "$DEV_NAME"_tstdev /dev/mapper/$DEV_NAME >/dev/null 2>&1
+ if [ $? -eq 0 ] ; then
+ echo -n -e "PLAIN:"
+ dmcrypt_check "$DEV_NAME"_tstdev $OUT
+ else
+ echo -n "[n/a]"
+ fi
+
+ echo $PASSWORD | $CRYPTSETUP luksFormat --type luks1 -i 1 -c $1 -s 256 /dev/mapper/$DEV_NAME >/dev/null 2>&1
+ if [ $? -eq 0 ] ; then
+ echo -n -e " LUKS1:"
+ echo $PASSWORD | $CRYPTSETUP luksOpen /dev/mapper/$DEV_NAME "$DEV_NAME"_tstdev >/dev/null 2>&1
+ dmcrypt_check "$DEV_NAME"_tstdev $OUT
+ fi
+
+ echo $PASSWORD | $CRYPTSETUP luksFormat --type luks2 --pbkdf pbkdf2 -i 1 -c $1 -s 256 /dev/mapper/$DEV_NAME >/dev/null 2>&1
+ if [ $? -eq 0 ] ; then
+ echo -n -e " LUKS2:"
+ echo $PASSWORD | $CRYPTSETUP luksOpen /dev/mapper/$DEV_NAME "$DEV_NAME"_tstdev >/dev/null 2>&1
+ dmcrypt_check "$DEV_NAME"_tstdev $OUT
+ fi
+
+ # repeated device creation must return the same checksum
+ echo $PASSWORD | $CRYPTSETUP create -h sha256 -c $1 -s 256 "$DEV_NAME"_tstdev /dev/mapper/$DEV_NAME >/dev/null 2>&1
+ if [ $? -eq 0 ] ; then
+ echo -n -e " CHECKSUM:"
+ dmcrypt_check_sum "$1" "$DEV_NAME"_tstdev
+ fi
+ echo
+}
+
+[ $(id -u) != 0 ] && skip "WARNING: You must be root to run this test, test skipped."
+[ -z "$LOOPDEV" ] && skip "Cannot find free loop device, test skipped."
+
+add_device
+
+# compatibility modes
+dmcrypt aes aes-cbc-plain
+dmcrypt aes-plain aes-cbc-plain
+
+# empty cipher
+PASSWORD=""
+dmcrypt null cipher_null-ecb
+dmcrypt cipher_null cipher_null-ecb
+dmcrypt cipher_null-ecb
+
+PASSWORD=$PASSWORD1
+# codebook doesn't support IV at all
+for cipher in $CIPHERS ; do
+ dmcrypt "$cipher-ecb"
+done
+
+for cipher in $CIPHERS ; do
+ for mode in $MODES ; do
+ for ivmode in $IVMODES ; do
+ dmcrypt "$cipher-$mode-$ivmode"
+ done
+ done
+done
+
+dmcrypt xchacha12,aes-adiantum-plain64
+dmcrypt xchacha20,aes-adiantum-plain64
+
+cleanup