55 lines
1.4 KiB
Bash
Executable file
55 lines
1.4 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 config json size mismatching
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# value in binary header
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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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# $2 full source luks2 image
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function generate()
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{
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JS=$(((LUKS2_HDR_SIZE-LUKS2_BIN_HDR_SIZE)*512))
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TEST_MDA_SIZE=$LUKS2_HDR_SIZE_32K
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TEST_MDA_SIZE_BYTES=$((TEST_MDA_SIZE*512))
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TEST_JSN_SIZE=$((TEST_MDA_SIZE-LUKS2_BIN_HDR_SIZE))
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json_str=$(jq -c '.' $TMPDIR/json0)
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write_luks2_json "$json_str" $TMPDIR/json0 $TEST_JSN_SIZE
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write_luks2_json "$json_str" $TMPDIR/json1 $TEST_JSN_SIZE
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write_bin_hdr_size $TMPDIR/hdr0 $TEST_MDA_SIZE_BYTES
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write_bin_hdr_size $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES
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write_bin_hdr_offset $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES
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lib_mangle_json_hdr0 $TEST_MDA_SIZE $TEST_JSN_SIZE
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lib_mangle_json_hdr1 $TEST_MDA_SIZE $TEST_JSN_SIZE
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}
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function check()
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{
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read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr_res0
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local str_res1=$(head -c 4 $TMPDIR/hdr_res0)
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test "$str_res1" = "LUKS" || exit 2
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read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1 $TEST_MDA_SIZE
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local str_res1=$(head -c 4 $TMPDIR/hdr_res1)
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test "$str_res1" = "SKUL" || exit 2
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read_luks2_json0 $TGT_IMG $TMPDIR/json_res0
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jq -c --arg js $JS 'if .config.json_size != ( $js | tostring )
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then error("Unexpected value in result json") 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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