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Diffstat (limited to 'tests/generators/generate-luks2-area-in-json-hdr-space-json0.img.sh')
-rwxr-xr-x | tests/generators/generate-luks2-area-in-json-hdr-space-json0.img.sh | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/tests/generators/generate-luks2-area-in-json-hdr-space-json0.img.sh b/tests/generators/generate-luks2-area-in-json-hdr-space-json0.img.sh new file mode 100755 index 0000000..3938f7b --- /dev/null +++ b/tests/generators/generate-luks2-area-in-json-hdr-space-json0.img.sh @@ -0,0 +1,72 @@ +#!/bin/bash + +. lib.sh + +# +# *** Description *** +# +# generate primary header with one area accessing luks +# header space +# +# secondary header is corrupted on purpose as well +# + +# $1 full target dir +# $2 full source luks2 image + +function prepare() +{ + cp $SRC_IMG $TGT_IMG + test -d $TMPDIR || mkdir $TMPDIR + read_luks2_json0 $TGT_IMG $TMPDIR/json0 + read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr0 + read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1 +} + +function generate() +{ + # make area 7 access the luks2 header space + OFFS=$((2*LUKS2_HDR_SIZE*512-1)) + LEN=1 + json_str=$(jq -c --arg off $OFFS --arg len $LEN \ + '.keyslots."0".area.offset = $off | .keyslots."0".area.size = $len' $TMPDIR/json0) + test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2 + + write_luks2_json "$json_str" $TMPDIR/json0 + + merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0 + erase_checksum $TMPDIR/area0 + chks0=$(calc_sha256_checksum_file $TMPDIR/area0) + write_checksum $chks0 $TMPDIR/area0 + write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG + kill_bin_hdr $TMPDIR/hdr1 + write_luks2_hdr1 $TMPDIR/hdr1 $TGT_IMG +} + +function check() +{ + read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1 + local str_res1=$(head -c 6 $TMPDIR/hdr_res1) + test "$str_res1" = "VACUUM" || exit 2 + + read_luks2_json0 $TGT_IMG $TMPDIR/json_res0 + jq -c --arg off $OFFS --arg len $LEN \ + 'if (.keyslots."0".area.offset != $off) or (.keyslots."0".area.size != $len) + then error("Unexpected value in result json") else empty end' $TMPDIR/json_res0 || exit 5 +} + +function cleanup() +{ + rm -f $TMPDIR/* + rm -fd $TMPDIR +} + +test $# -eq 2 || exit 1 + +TGT_IMG=$1/$(test_img_name $0) +SRC_IMG=$2 + +prepare +generate +check +cleanup |