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#!/bin/bash
. lib.sh
#
# *** Description ***
#
# generate primary header with wrong backup segment id
#
# secondary header is corrupted on purpose as well
#
# $1 full target dir
# $2 full source luks2 image
function generate()
{
# create illegal backup segment key (used to be bug in 32bit implementations)
json_str=$(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)
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
read_luks2_json0 $TGT_IMG $TMPDIR/json_res0
jq -c 'if .segments | length < 64
then error("Unexpected segments count") else empty end' $TMPDIR/json_res0 || exit 5
}
lib_prepare $@
generate
check
lib_cleanup
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