diff options
Diffstat (limited to 'tests/generators/lib.sh')
| -rw-r--r-- | tests/generators/lib.sh | 107 |
1 files changed, 105 insertions, 2 deletions
diff --git a/tests/generators/lib.sh b/tests/generators/lib.sh index 9686148..c0e9cc1 100644 --- a/tests/generators/lib.sh +++ b/tests/generators/lib.sh @@ -20,6 +20,10 @@ LUKS2_BIN_HDR_CHKS_LENGTH=64 [ -z "$srcdir" ] && srcdir="." TMPDIR=$srcdir/tmp +# to be set by individual generator +TGT_IMG="" +SRC_IMG="" + repeat_str() { printf "$1"'%.0s' $(eval "echo {1.."$(($2))"}"); } @@ -172,9 +176,108 @@ function _dd() } function write_bin_hdr_size() { - printf '%016x' $2 | xxd -r -p -l 16 | _dd of=$1 bs=8 count=1 seek=1 conv=notrunc + printf '%016x' $2 | xxd -r -p -l 16 | _dd of=$1 bs=8 count=1 seek=1 conv=notrunc } function write_bin_hdr_offset() { - printf '%016x' $2 | xxd -r -p -l 16 | _dd of=$1 bs=8 count=1 seek=32 conv=notrunc + printf '%016x' $2 | xxd -r -p -l 16 | _dd of=$1 bs=8 count=1 seek=32 conv=notrunc +} + +# generic header helpers +# $TMPDIR/json0 - JSON hdr1 +# $TMPDIR/json1 - JSON hdr2 +# $TMPDIR/hdr0 - bin hdr1 +# $TMPDIR/hdr1 - bin hdr2 + +# 1:target_dir 2:source_image +function lib_prepare() +{ + test $# -eq 2 || exit 1 + + TGT_IMG=$1/$(test_img_name $0) + SRC_IMG=$2 + + # wipe checksums + CHKS0=0 + CHKS1=0 + + cp $SRC_IMG $TGT_IMG + test -d $TMPDIR || mkdir $TMPDIR + read_luks2_json0 $TGT_IMG $TMPDIR/json0 + read_luks2_json1 $TGT_IMG $TMPDIR/json1 + read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr0 + read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1 +} + +function lib_cleanup() +{ + rm -f $TMPDIR/* + rm -fd $TMPDIR +} + +function lib_mangle_json_hdr0() +{ + local mda_sz=${1:-} + local jsn_sz=${2:-} + local kill_hdr=${3:-} + + merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0 $jsn_sz + erase_checksum $TMPDIR/area0 + CHKS0=$(calc_sha256_checksum_file $TMPDIR/area0) + write_checksum $CHKS0 $TMPDIR/area0 + test -n "$kill_hdr" && kill_bin_hdr $TMPDIR/area0 + write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG $mda_sz +} + +function lib_mangle_json_hdr1() +{ + local mda_sz=${1:-} + local jsn_sz=${2:-} + local kill_hdr=${3:-} + + merge_bin_hdr_with_json $TMPDIR/hdr1 $TMPDIR/json1 $TMPDIR/area1 $jsn_sz + erase_checksum $TMPDIR/area1 + CHKS1=$(calc_sha256_checksum_file $TMPDIR/area1) + write_checksum $CHKS1 $TMPDIR/area1 + test -n "$kill_hdr" && kill_bin_hdr $TMPDIR/area1 + write_luks2_hdr1 $TMPDIR/area1 $TGT_IMG $mda_sz +} + +function lib_mangle_json_hdr0_kill_hdr1() +{ + lib_mangle_json_hdr0 + + kill_bin_hdr $TMPDIR/hdr1 + write_luks2_hdr1 $TMPDIR/hdr1 $TGT_IMG +} + +function lib_hdr0_killed() +{ + local mda_sz=${1:-} + + read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr_res0 $mda_sz + local str_res0=$(head -c 6 $TMPDIR/hdr_res0) + test "$str_res0" = "VACUUM" +} + +function lib_hdr1_killed() +{ + local mda_sz=${1:-} + + read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1 $mda_sz + local str_res1=$(head -c 6 $TMPDIR/hdr_res1) + test "$str_res1" = "VACUUM" +} + +function lib_hdr0_checksum() +{ + local chks_res0=$(read_sha256_checksum $TGT_IMG) + test "$CHKS0" = "$chks_res0" +} + +function lib_hdr1_checksum() +{ + read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1 + local chks_res1=$(read_sha256_checksum $TMPDIR/hdr_res1) + test "$CHKS1" = "$chks_res1" } |