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#!/bin/bash
. lib.sh
#
# *** Description ***
#
# generate primary header with one area accessing luks
# header space
#
# secondary header is corrupted on purpose as well
#
# $1 full target dir
# $2 full source luks2 image
function generate()
{
# make area 7 access the luks2 header space
OFFS=$((2*LUKS2_HDR_SIZE*512-1))
LEN=1
json_str=$(jq -c --arg off $OFFS --arg len $LEN \
'.keyslots."0".area.offset = $off | .keyslots."0".area.size = $len' $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 --arg off $OFFS --arg len $LEN \
'if (.keyslots."0".area.offset != $off) or (.keyslots."0".area.size != $len)
then error("Unexpected value in result json") else empty end' $TMPDIR/json_res0 || exit 5
}
lib_prepare $@
generate
check
lib_cleanup
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