8 # generate primary with predefined json_size where keyslots size
9 # overflows in data area (segment offset)
11 # secondary header is corrupted on purpose as well
15 # $2 full source luks2 image
20 test -d $TMPDIR || mkdir $TMPDIR
21 read_luks2_json0 $TGT_IMG $TMPDIR/json0
22 read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr0
23 read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1
29 TEST_MDA_SIZE=$LUKS2_HDR_SIZE_64K
31 TEST_MDA_SIZE_BYTES=$((TEST_MDA_SIZE*512))
32 TEST_JSN_SIZE=$((TEST_MDA_SIZE-LUKS2_BIN_HDR_SIZE))
33 KEYSLOTS_OFFSET=$((TEST_MDA_SIZE*1024))
34 JSON_DIFF=$(((TEST_MDA_SIZE-LUKS2_HDR_SIZE)*1024))
35 JSON_SIZE=$((TEST_JSN_SIZE*512))
38 json_str=$(jq -c --arg jdiff $JSON_DIFF --arg jsize $JSON_SIZE --arg off $DATA_OFFSET \
39 --arg mda $((2*TEST_MDA_SIZE_BYTES)) \
40 '.keyslots[].area.offset |= ( . | tonumber + ($jdiff | tonumber) | tostring) |
41 .config.json_size = $jsize |
42 .config.keyslots_size = (((($off | tonumber) - ($mda | tonumber) + 4096)) | tostring ) |
43 .segments."0".offset = $off' $TMPDIR/json0)
44 test -n "$json_str" || exit 2
45 test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
47 write_luks2_json "$json_str" $TMPDIR/json0 $TEST_JSN_SIZE
49 write_bin_hdr_size $TMPDIR/hdr0 $TEST_MDA_SIZE_BYTES
50 write_bin_hdr_size $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES
52 merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0 $TEST_JSN_SIZE
53 merge_bin_hdr_with_json $TMPDIR/hdr1 $TMPDIR/json0 $TMPDIR/area1 $TEST_JSN_SIZE
55 erase_checksum $TMPDIR/area0
56 chks0=$(calc_sha256_checksum_file $TMPDIR/area0)
57 write_checksum $chks0 $TMPDIR/area0
59 erase_checksum $TMPDIR/area1
60 chks0=$(calc_sha256_checksum_file $TMPDIR/area1)
61 write_checksum $chks0 $TMPDIR/area1
63 kill_bin_hdr $TMPDIR/area1
65 write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG $TEST_MDA_SIZE
66 write_luks2_hdr1 $TMPDIR/area1 $TGT_IMG $TEST_MDA_SIZE
71 read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1 $TEST_MDA_SIZE
72 local str_res1=$(head -c 6 $TMPDIR/hdr_res1)
73 test "$str_res1" = "VACUUM" || exit 2
74 read_luks2_json0 $TGT_IMG $TMPDIR/json_res0 $TEST_JSN_SIZE
75 jq -c --arg koff $KEYSLOTS_OFFSET --arg jsize $JSON_SIZE --arg off $DATA_OFFSET --arg mda $((2*TEST_MDA_SIZE_BYTES)) \
76 'if ([.keyslots[].area.offset] | map(tonumber) | min | tostring != $koff) or
77 (.config.json_size != $jsize) or
78 (.config.keyslots_size != (((($off | tonumber) - ($mda | tonumber) + 4096)) | tostring ))
79 then error("Unexpected value in result json") else empty end' $TMPDIR/json_res0 || exit 5
88 test $# -eq 2 || exit 1
90 TGT_IMG=$1/$(test_img_name $0)