8 # generate primary header with json area containing illegal bytes
9 # beyond well-formed json format.
11 # secondary header is corrupted on purpose as well
15 # $2 full source luks2 image
17 QUOTE="[Homer J. Simpson]: Keep looking shocked and move slowly towards the cake."
23 test -d $TMPDIR || mkdir $TMPDIR
24 read_luks2_json0 $TGT_IMG $TMPDIR/json0
25 read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr0
26 read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1
31 read -r json_str < $TMPDIR/json0
32 json_len_orig=${#json_str}
33 json_len=$((json_len_orig+${#QUOTE}+SPACE))
34 test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
36 printf '%s' "$QUOTE" | _dd of=$TMPDIR/json0 seek=$((json_len_orig+SPACE)) bs=1 conv=notrunc
38 merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0
39 erase_checksum $TMPDIR/area0
40 chks0=$(calc_sha256_checksum_file $TMPDIR/area0)
41 write_checksum $chks0 $TMPDIR/area0
42 write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG
43 kill_bin_hdr $TMPDIR/hdr1
44 write_luks2_hdr1 $TMPDIR/hdr1 $TGT_IMG
49 read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1
50 local str_res1=$(head -c 6 $TMPDIR/hdr_res1)
51 test "$str_res1" = "VACUUM" || exit 2
53 read_luks2_json0 $TGT_IMG $TMPDIR/json_res0
54 chks_res0=$(read_sha256_checksum $TGT_IMG)
55 test "$chks0" = "$chks_res0" || exit 2
57 _dd if=$TMPDIR/json_res0 of=$TMPDIR/quote skip=$((json_len_orig+SPACE)) count=${#QUOTE} bs=1
58 json_str_res0=$(head -c ${#QUOTE} $TMPDIR/quote)
59 test "$json_str_res0" = "$QUOTE" || exit 2
68 test $# -eq 2 || exit 1
70 TGT_IMG=$1/$(test_img_name $0)