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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:44:12 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:44:12 +0000 |
commit | 1be69c2c660b70ac2f4de2a5326e27e3e60eb82d (patch) | |
tree | bb299ab6f411f4fccd735907035de710e4ec6abc /tests/generators/generate-luks2-metadata-size-64k-inv-area-c1.img.sh | |
parent | Initial commit. (diff) | |
download | cryptsetup-upstream/2%2.3.7.tar.xz cryptsetup-upstream/2%2.3.7.zip |
Adding upstream version 2:2.3.7.upstream/2%2.3.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/generators/generate-luks2-metadata-size-64k-inv-area-c1.img.sh')
-rwxr-xr-x | tests/generators/generate-luks2-metadata-size-64k-inv-area-c1.img.sh | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/tests/generators/generate-luks2-metadata-size-64k-inv-area-c1.img.sh b/tests/generators/generate-luks2-metadata-size-64k-inv-area-c1.img.sh new file mode 100755 index 0000000..7ff670b --- /dev/null +++ b/tests/generators/generate-luks2-metadata-size-64k-inv-area-c1.img.sh @@ -0,0 +1,96 @@ +#!/bin/bash + +. lib.sh + +# +# *** Description *** +# +# generate primary header with non-default metadata json_size +# and keyslot area overflowing out of keyslots area. +# +# secondary header is corrupted on purpose as well +# + +# $1 full target dir +# $2 full source luks2 image + +function prepare() +{ + cp $SRC_IMG $TGT_IMG + test -d $TMPDIR || mkdir $TMPDIR + read_luks2_json0 $TGT_IMG $TMPDIR/json0 + read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr0 + read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1 +} + +function generate() +{ + # 64KiB metadata + TEST_MDA_SIZE=$LUKS2_HDR_SIZE_64K + + TEST_MDA_SIZE_BYTES=$((TEST_MDA_SIZE*512)) + TEST_JSN_SIZE=$((TEST_MDA_SIZE-LUKS2_BIN_HDR_SIZE)) + KEYSLOTS_OFFSET=$((TEST_MDA_SIZE*1024)) + JSON_DIFF=$(((TEST_MDA_SIZE-LUKS2_HDR_SIZE)*1024)) + JSON_SIZE=$((TEST_JSN_SIZE*512)) + DATA_OFFSET=16777216 + + json_str=$(jq -c --arg jdiff $JSON_DIFF --arg jsize $JSON_SIZE --arg off $DATA_OFFSET \ + --arg mda $((2*TEST_MDA_SIZE_BYTES)) \ + '.keyslots[].area.offset |= ( . | tonumber + ($jdiff | tonumber) | tostring) | + .keyslots."7".area.offset = ( ((.config.keyslots_size | tonumber) + ($mda | tonumber) - (.keyslots."7".area.size | tonumber) + 1) | tostring ) | + .config.json_size = $jsize | + .segments."0".offset = $off' $TMPDIR/json0) + test -n "$json_str" || exit 2 + test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2 + + write_luks2_json "$json_str" $TMPDIR/json0 $TEST_JSN_SIZE + + write_bin_hdr_size $TMPDIR/hdr0 $TEST_MDA_SIZE_BYTES + write_bin_hdr_size $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES + + merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0 $TEST_JSN_SIZE + merge_bin_hdr_with_json $TMPDIR/hdr1 $TMPDIR/json0 $TMPDIR/area1 $TEST_JSN_SIZE + + erase_checksum $TMPDIR/area0 + chks0=$(calc_sha256_checksum_file $TMPDIR/area0) + write_checksum $chks0 $TMPDIR/area0 + + erase_checksum $TMPDIR/area1 + chks0=$(calc_sha256_checksum_file $TMPDIR/area1) + write_checksum $chks0 $TMPDIR/area1 + + kill_bin_hdr $TMPDIR/area1 + + write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG $TEST_MDA_SIZE + write_luks2_hdr1 $TMPDIR/area1 $TGT_IMG $TEST_MDA_SIZE +} + +function check() +{ + read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1 $TEST_MDA_SIZE + local str_res1=$(head -c 6 $TMPDIR/hdr_res1) + test "$str_res1" = "VACUUM" || exit 2 + read_luks2_json0 $TGT_IMG $TMPDIR/json_res0 $TEST_JSN_SIZE +# .keyslots.7.area.offset = ( ((.config.keyslots_size | tonumber) + ($mda | tonumber) - (.keyslots.7.area.size | tonumber) + 1) | tostring ) | + jq -c --arg mda $((2*TEST_MDA_SIZE_BYTES)) --arg jsize $JSON_SIZE \ + 'if (.keyslots."7".area.offset != ( ((.config.keyslots_size | tonumber) + ($mda | tonumber) - (.keyslots."7".area.size | tonumber) + 1) | tostring )) or + (.config.json_size != $jsize) + then error("Unexpected value in result json") else empty end' $TMPDIR/json_res0 || exit 5 +} + +function cleanup() +{ + rm -f $TMPDIR/* + rm -fd $TMPDIR +} + +test $# -eq 2 || exit 1 + +TGT_IMG=$1/$(test_img_name $0) +SRC_IMG=$2 + +prepare +generate +check +cleanup |