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