8 # generate primary with predefined json_size. There's only limited
9 # set of values allowed as json size in config section of LUKS2
12 # secondary header is corrupted on purpose as well
16 # $2 full source luks2 image
21 test -d $TMPDIR || mkdir $TMPDIR
22 read_luks2_json0 $TGT_IMG $TMPDIR/json0
23 read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr0
24 read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1
30 TEST_MDA_SIZE=$LUKS2_HDR_SIZE_4M
32 TEST_MDA_SIZE_BYTES=$((TEST_MDA_SIZE*512))
33 TEST_JSN_SIZE=$((TEST_MDA_SIZE-LUKS2_BIN_HDR_SIZE))
34 KEYSLOTS_OFFSET=$((TEST_MDA_SIZE*1024))
35 JSON_DIFF=$(((TEST_MDA_SIZE-LUKS2_HDR_SIZE)*1024))
36 JSON_SIZE=$((TEST_JSN_SIZE*512))
39 json_str=$(jq -c --arg jdiff $JSON_DIFF --arg jsize $JSON_SIZE --arg off $DATA_OFFSET \
40 '.keyslots[].area.offset |= ( . | tonumber + ($jdiff | tonumber) | tostring) |
41 .config.json_size = $jsize |
42 .segments."0".offset = $off' $TMPDIR/json0)
43 test -n "$json_str" || exit 2
44 test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
46 write_luks2_json "$json_str" $TMPDIR/json0 $TEST_JSN_SIZE
48 write_bin_hdr_size $TMPDIR/hdr0 $TEST_MDA_SIZE_BYTES
49 write_bin_hdr_size $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES
51 write_bin_hdr_offset $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES
53 merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0 $TEST_JSN_SIZE
54 merge_bin_hdr_with_json $TMPDIR/hdr1 $TMPDIR/json0 $TMPDIR/area1 $TEST_JSN_SIZE
56 erase_checksum $TMPDIR/area0
57 chks0=$(calc_sha256_checksum_file $TMPDIR/area0)
58 write_checksum $chks0 $TMPDIR/area0
60 erase_checksum $TMPDIR/area1
61 chks0=$(calc_sha256_checksum_file $TMPDIR/area1)
62 write_checksum $chks0 $TMPDIR/area1
64 kill_bin_hdr $TMPDIR/area0
66 write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG $TEST_MDA_SIZE
67 write_luks2_hdr1 $TMPDIR/area1 $TGT_IMG $TEST_MDA_SIZE
72 read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr_res0 $TEST_MDA_SIZE
73 local str_res0=$(head -c 6 $TMPDIR/hdr_res0)
74 test "$str_res0" = "VACUUM" || exit 2
75 read_luks2_json1 $TGT_IMG $TMPDIR/json_res1 $TEST_JSN_SIZE
76 jq -c --arg koff $KEYSLOTS_OFFSET --arg jsize $JSON_SIZE \
77 'if ([.keyslots[].area.offset] | map(tonumber) | min | tostring != $koff) or
78 (.config.json_size != $jsize)
79 then error("Unexpected value in result json") else empty end' $TMPDIR/json_res1 || exit 5
88 test $# -eq 2 || exit 1
90 TGT_IMG=$1/$(test_img_name $0)