Add simple checksum test.

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@402 36d66b0a-2a48-0410-832c-cd162a569da5

diff --git a/tests/mode-test b/tests/mode-test
index 41872ef..9a8fe61 100755 (executable)
--- a/tests/mode-test
+++ b/tests/mode-test
@@ -1,11 +1,7 @@
 #!/bin/bash
-
 #
 # Test mode compatibility, check input + kernel and cryptsetup cipher status
 #
-# FIXME: add checkum test of data
-#
-
 CRYPTSETUP=../src/cryptsetup
 DEV_NAME=dmc_test
 LOOPDEV=/dev/loop5
@@ -46,46 +42,74 @@ dmcrypt_check() # device outstring
 {
        X=$(dmsetup table $1 2>/dev/null | cut -d' '  -f 4)
        if [ $X = $2 ] ; then
-               echo -n "OK]"
+               echo -n "[table OK]"
        else
-               echo -n "FAIL]"
+               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 " [OK]"
+               echo -n "[status OK]"
        else
-               echo " [FAIL]"
+               echo "[status FAIL]"
                echo " Expecting $2 got $X."
                fail
        fi
+
+       dmsetup remove $1 >/dev/null 2>&1
+}
+
+dmcrypt_check_sum() # cipher device outstring
+{
+       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
+       dmsetup remove $2
+       echo $PASSWORD | $CRYPTSETUP create -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
+
+       dmsetup remove $2 >/dev/null 2>&1
 }
 
 dmcrypt()
 {
        OUT=$2
        [ -z "$OUT" ] && OUT=$1
+       printf "%-25s" "$1"
 
-       echo -n -e "TESTING(PLAIN): $1 ["
        echo $PASSWORD | $CRYPTSETUP create -c $1 -s 256 "$DEV_NAME"_"$1" /dev/mapper/$DEV_NAME >/dev/null 2>&1
        if [ $? -eq 0 ] ; then
+               echo -n -e "PLAIN:"
                dmcrypt_check "$DEV_NAME"_"$1" $OUT
-               dmsetup remove "$DEV_NAME"_"$1" >/dev/null 2>&1
        else
-               echo "SKIPPED]"
+               echo -n "[n/a]"
        fi
 
-       echo -n -e "TESTING(LUKS): $1 ["
        echo $PASSWORD | $CRYPTSETUP luksFormat -i 1 -c $1 -s 256 /dev/mapper/$DEV_NAME >/dev/null 2>&1
        if [ $? -eq 0 ] ; then
+               echo -n -e " LUKS:"
                echo $PASSWORD | $CRYPTSETUP luksOpen /dev/mapper/$DEV_NAME "$DEV_NAME"_"$1" >/dev/null 2>&1
                dmcrypt_check "$DEV_NAME"_"$1" $OUT
-               dmsetup remove "$DEV_NAME"_"$1" >/dev/null 2>&1
-       else
-               echo "SKIPPED]"
        fi
+
+       # repeated device creation must return the same checksum
+       echo $PASSWORD | $CRYPTSETUP create -c $1 -s 256 "$DEV_NAME"_"$1" /dev/mapper/$DEV_NAME >/dev/null 2>&1
+       if [ $? -eq 0 ] ; then
+               echo -n -e " CHECKSUM:"
+               dmcrypt_check_sum "$1" "$DEV_NAME"_"$1"
+       fi
+       echo
 }
 
 if [ $(id -u) != 0 ]; then