8 # generate secondary header with one of allowed json area
9 # size values. Test whether auto-recovery code is able
10 # to validate secondary header with non-default json area
13 # primary header is corrupted on purpose.
17 # $2 full source luks2 image
22 TEST_MDA_SIZE=$LUKS2_HDR_SIZE_32K
24 TEST_MDA_SIZE_BYTES=$((TEST_MDA_SIZE*512))
25 TEST_JSN_SIZE=$((TEST_MDA_SIZE-LUKS2_BIN_HDR_SIZE))
26 KEYSLOTS_OFFSET=$((TEST_MDA_SIZE*1024))
27 JSON_DIFF=$(((TEST_MDA_SIZE-LUKS2_HDR_SIZE)*1024))
28 JSON_SIZE=$((TEST_JSN_SIZE*512))
31 json_str=$(jq -c --arg jdiff $JSON_DIFF --arg jsize $JSON_SIZE --arg off $DATA_OFFSET \
32 '.keyslots[].area.offset |= ( . | tonumber + ($jdiff | tonumber) | 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 write_bin_hdr_offset $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES
46 lib_mangle_json_hdr0 $TEST_MDA_SIZE $TEST_JSN_SIZE kill
47 lib_mangle_json_hdr1 $TEST_MDA_SIZE $TEST_JSN_SIZE
52 lib_hdr0_killed $TEST_MDA_SIZE || exit 2
54 read_luks2_json1 $TGT_IMG $TMPDIR/json_res1 $TEST_JSN_SIZE
55 jq -c --arg koff $KEYSLOTS_OFFSET --arg jsize $JSON_SIZE \
56 'if ([.keyslots[].area.offset] | map(tonumber) | min | tostring != $koff) or
57 (.config.json_size != $jsize)
58 then error("Unexpected value in result json") else empty end' $TMPDIR/json_res1 || exit 5