39 lines
994 B
Bash
Executable file
39 lines
994 B
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 wrong backup segment id
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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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# $2 full source luks2 image
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function generate()
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{
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# create illegal backup segment key (used to be bug in 32bit implementations)
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json_str=$(jq -c '(.segments."0".offset | tonumber) as $i | .segments[range(1;65) | tostring] = { "type" : "linear", "offset" : ($i + 512 | tostring), "size" : "512" } | .segments."268435472" = { "type":"linear","offset":"512","size":"512","flags":["backup-x"]}' $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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read_luks2_json0 $TGT_IMG $TMPDIR/json_res0
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jq -c 'if .segments | length < 64
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then error("Unexpected segments count") else empty end' $TMPDIR/json_res0 || exit 5
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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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