42 lines
853 B
Bash
Executable file
42 lines
853 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 header with malformed json but correct checksum in secondary header
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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 < $TMPDIR/json1
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json_len=${#json_str}
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json_len=$((json_len-1)) # to replace json closing '}'
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json_new_str="${json_str:0:json_len},\""
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while [ ${#json_new_str} -le $((LUKS2_JSON_SIZE*512)) ]; do
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json_new_str=$json_new_str"all_work_and_no_play_makes_Jack_a_dull_boy_"
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done
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printf "%s" $json_new_str | _dd of=$TMPDIR/json1 bs=512 count=$LUKS2_JSON_SIZE
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lib_mangle_json_hdr1
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}
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function check()
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{
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lib_hdr1_checksum || exit 2
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read_luks2_json1 $TGT_IMG $TMPDIR/json_res1
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read -r json_str_res1 < $TMPDIR/json_res1
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test ${#json_str_res1} -eq $((LUKS2_JSON_SIZE*512)) || 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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