45 lines
1 KiB
Bash
Executable file
45 lines
1 KiB
Bash
Executable file
#!/bin/bash
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. lib.sh
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#
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# *** Description ***
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#
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# generate primary header with missing keyslot object referenced
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# in digest object
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#
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# secondary header is corrupted on purpose as well
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#
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# $1 full target dir
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# $2 full source luks2 image
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function generate()
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{
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read -r json_str_orig < $TMPDIR/json0
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arr_len=$(jq -c -M '.digests."0".keyslots | length' $TMPDIR/json0)
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# add missing keyslot reference in keyslots array of digest '0'
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json_str=$(jq -r -c -M 'def arr: ["digests", "0", "keyslots"];
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def missks: getpath(["keyslots"]) | keys | max | tonumber + 1 | tostring;
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setpath(arr; getpath(arr) + [ missks ])' $TMPDIR/json0)
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test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
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write_luks2_json "$json_str" $TMPDIR/json0
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lib_mangle_json_hdr0_kill_hdr1
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}
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function check()
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{
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lib_hdr1_killed || exit 2
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lib_hdr0_checksum || exit 2
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read_luks2_json0 $TGT_IMG $TMPDIR/json_res0
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new_arr_len=$(jq -c -M '.digests."0".keyslots | length' $TMPDIR/json_res0)
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test $((arr_len+1)) -eq $new_arr_len || exit 2
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}
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lib_prepare $@
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generate
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check
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lib_cleanup
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