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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 08:06:26 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 08:06:26 +0000 |
commit | 1660d4b7a65d9ad2ce0deaa19d35579ca4084ac5 (patch) | |
tree | 6cf8220b628ebd2ccfc1375dd6516c6996e9abcc /tests/generators/generate-luks2-metadata-size-16k-secondary.img.sh | |
parent | Initial commit. (diff) | |
download | cryptsetup-upstream.tar.xz cryptsetup-upstream.zip |
Adding upstream version 2:2.6.1.upstream/2%2.6.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/generators/generate-luks2-metadata-size-16k-secondary.img.sh')
-rwxr-xr-x | tests/generators/generate-luks2-metadata-size-16k-secondary.img.sh | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/generators/generate-luks2-metadata-size-16k-secondary.img.sh b/tests/generators/generate-luks2-metadata-size-16k-secondary.img.sh new file mode 100755 index 0000000..f0e6e8d --- /dev/null +++ b/tests/generators/generate-luks2-metadata-size-16k-secondary.img.sh @@ -0,0 +1,64 @@ +#!/bin/bash + +. lib.sh + +# +# *** Description *** +# +# generate secondary header with one of allowed json area +# size values. Test whether auto-recovery code is able +# to validate secondary header with non-default json area +# size. +# +# primary header is corrupted on purpose. +# + +# $1 full target dir +# $2 full source luks2 image + +function generate() +{ + # 16 KiB metadata + TEST_MDA_SIZE=$LUKS2_HDR_SIZE + + 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 $DATA_OFFSET \ + '.keyslots[].area.offset |= ( . | tonumber + ($jdiff | tonumber) | 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 $TEST_JSN_SIZE + write_luks2_json "$json_str" $TMPDIR/json1 $TEST_JSN_SIZE + + write_bin_hdr_size $TMPDIR/hdr0 $TEST_MDA_SIZE_BYTES + write_bin_hdr_size $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES + + write_bin_hdr_offset $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES + + lib_mangle_json_hdr0 $TEST_MDA_SIZE $TEST_JSN_SIZE kill + lib_mangle_json_hdr1 $TEST_MDA_SIZE $TEST_JSN_SIZE +} + +function check() +{ + lib_hdr0_killed $TEST_MDA_SIZE || exit 2 + + read_luks2_json1 $TGT_IMG $TMPDIR/json_res1 $TEST_JSN_SIZE + jq -c --arg koff $KEYSLOTS_OFFSET --arg jsize $JSON_SIZE \ + 'if ([.keyslots[].area.offset] | map(tonumber) | min | tostring != $koff) or + (.config.json_size != $jsize) + then error("Unexpected value in result json") else empty end' $TMPDIR/json_res1 || exit 5 +} + +lib_prepare $@ +generate +check +lib_cleanup |