Create hash image if doesn't exist in veritysetup format.
[platform/upstream/cryptsetup.git] / tests / verity-compat-test
index 813dcdb..b39dcf8 100755 (executable)
@@ -11,7 +11,6 @@ function remove_mapping()
 {
        [ -b /dev/mapper/$DEV_NAME ] && dmsetup remove $DEV_NAME
        [ ! -z "$LOOPDEV1" ] && losetup -d $LOOPDEV1 >/dev/null 2>&1
-       [ ! -z "$LOOPDEV2" ] && losetup -d $LOOPDEV2 >/dev/null 2>&1
        rm -f $IMG $IMG_HASH $DEV_OUT >/dev/null 2>&1
        LOOPDEV1=""
        LOOPDEV2=""
@@ -42,17 +41,13 @@ function prepare() # $1 dev1_siz [$2 dev2_size]
        losetup $LOOPDEV1 $IMG
 
        [ -z "$2" ] && return
-       dd if=/dev/zero of=$IMG_HASH bs=1k count=$2 >/dev/null 2>&1
-       LOOPDEV2=$(losetup -f 2>/dev/null)
-       [ -z "$LOOPDEV2" ] && fail "No free loop device"
-       losetup $LOOPDEV2 $IMG_HASH
+       LOOPDEV2=$IMG_HASH
 }
 
 function wipe()
 {
        dd if=/dev/zero of=$LOOPDEV1 bs=256k >/dev/null 2>&1
-       dd if=/dev/zero of=$LOOPDEV2 bs=256k >/dev/null 2>&1
-       rm -f $DEV_OUT >/dev/null 2>&1
+       rm -f $IMG_HASH $DEV_OUT >/dev/null 2>&1
 }
 
 function check_exists()
@@ -111,14 +106,14 @@ function check_root_hash() # $1 size, $2 hash, $3 salt, $4 version, $5 hash, [$6
 
        case $fail in
        data)
-               dd if=/dev/urandom of=$LOOPDEV1 bs=1 seek=3456 count=8 2>/dev/null
+               dd if=/dev/urandom of=$LOOPDEV1 bs=1 seek=3456 count=8 conv=notrunc 2>/dev/null
                TXT="data_dev"
                ;;
        hash)
                if [ -z "$LOOPDEV2" ] ; then
-                       dd if=/dev/urandom of=$LOOPDEV1 bs=1 seek=$((8193 + $4)) count=8 2>/dev/null
+                       dd if=/dev/urandom of=$LOOPDEV1 bs=1 seek=$((8193 + $4)) count=8 conv=notrunc 2>/dev/null
                else
-                       dd if=/dev/urandom of=$LOOPDEV2 bs=1 seek=8193 count=8 2>/dev/null
+                       dd if=/dev/urandom of=$LOOPDEV2 bs=1 seek=8193 count=8 conv=notrunc 2>/dev/null
                fi
                 TXT="hash_dev"
                ;;