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|
#!/bin/bash
. lib.sh
#
# *** Description ***
#
# generate header with malformed json but correct checksum in secondary header
#
# $1 full target dir
# $2 full source luks2 image
function generate()
{
read -r json_str < $TMPDIR/json1
json_len=${#json_str}
json_len=$((json_len-1)) # to replace json closing '}'
json_new_str="${json_str:0:json_len},\""
while [ ${#json_new_str} -le $((LUKS2_JSON_SIZE*512)) ]; do
json_new_str=$json_new_str"all_work_and_no_play_makes_Jack_a_dull_boy_"
done
printf "%s" $json_new_str | _dd of=$TMPDIR/json1 bs=512 count=$LUKS2_JSON_SIZE
lib_mangle_json_hdr1
}
function check()
{
lib_hdr1_checksum || exit 2
read_luks2_json1 $TGT_IMG $TMPDIR/json_res1
read -r json_str_res1 < $TMPDIR/json_res1
test ${#json_str_res1} -eq $((LUKS2_JSON_SIZE*512)) || exit 2
}
lib_prepare $@
generate
check
lib_cleanup
|
