8 # generate primary header with non-default metadata json_size
9 # and keyslot area overflowing out of keyslots area.
11 # secondary header is corrupted on purpose as well
15 # $2 full source luks2 image
20 TEST_MDA_SIZE=$LUKS2_HDR_SIZE_64K
22 TEST_MDA_SIZE_BYTES=$((TEST_MDA_SIZE*512))
23 TEST_JSN_SIZE=$((TEST_MDA_SIZE-LUKS2_BIN_HDR_SIZE))
24 KEYSLOTS_OFFSET=$((TEST_MDA_SIZE*1024))
25 JSON_DIFF=$(((TEST_MDA_SIZE-LUKS2_HDR_SIZE)*1024))
26 JSON_SIZE=$((TEST_JSN_SIZE*512))
29 json_str=$(jq -c --arg jdiff $JSON_DIFF --arg jsize $JSON_SIZE --arg off $DATA_OFFSET \
30 --arg mda $((2*TEST_MDA_SIZE_BYTES)) \
31 '.keyslots[].area.offset |= ( . | tonumber + ($jdiff | tonumber) | tostring) |
32 .keyslots."7".area.offset = ( ((.config.keyslots_size | tonumber) + ($mda | tonumber) - (.keyslots."7".area.size | tonumber) + 1) | tostring ) |
33 .config.json_size = $jsize |
34 .segments."0".offset = $off' $TMPDIR/json0)
35 test -n "$json_str" || exit 2
36 test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
38 write_luks2_json "$json_str" $TMPDIR/json0 $TEST_JSN_SIZE
39 write_luks2_json "$json_str" $TMPDIR/json1 $TEST_JSN_SIZE
41 write_bin_hdr_size $TMPDIR/hdr0 $TEST_MDA_SIZE_BYTES
42 write_bin_hdr_size $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES
44 lib_mangle_json_hdr0 $TEST_MDA_SIZE $TEST_JSN_SIZE
45 lib_mangle_json_hdr1 $TEST_MDA_SIZE $TEST_JSN_SIZE kill
50 lib_hdr1_killed $TEST_MDA_SIZE || exit 2
52 read_luks2_json0 $TGT_IMG $TMPDIR/json_res0 $TEST_JSN_SIZE
53 # .keyslots.7.area.offset = ( ((.config.keyslots_size | tonumber) + ($mda | tonumber) - (.keyslots.7.area.size | tonumber) + 1) | tostring ) |
54 jq -c --arg mda $((2*TEST_MDA_SIZE_BYTES)) --arg jsize $JSON_SIZE \
55 'if (.keyslots."7".area.offset != ( ((.config.keyslots_size | tonumber) + ($mda | tonumber) - (.keyslots."7".area.size | tonumber) + 1) | tostring )) or
56 (.config.json_size != $jsize)
57 then error("Unexpected value in result json") else empty end' $TMPDIR/json_res0 || exit 5