1 files changed, 71 insertions, 0 deletions
diff --git a/tests/generators/generate-luks2-invalid-keyslots-size-c0.img.sh b/tests/generators/generate-luks2-invalid-keyslots-size-c0.img.sh
new file mode 100755
index 0000000..c4f002f
--- /dev/null
+++ b/tests/generators/generate-luks2-invalid-keyslots-size-c0.img.sh
@@ -0,0 +1,71 @@
+#!/bin/bash
+
+. lib.sh
+
+#
+# *** Description ***
+#
+# generate primary header with too large keyslots_size set in config section
+# (iow config.keyslots_size = data_offset - keyslots_offset + 512)
+#
+# secondary header is corrupted on purpose as well
+#
+
+# $1 full target dir
+# $2 full source luks2 image
+
+function prepare()
+{
+	cp $SRC_IMG $TGT_IMG
+	test -d $TMPDIR || mkdir $TMPDIR
+	read_luks2_json0 $TGT_IMG $TMPDIR/json0
+	read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr0
+	read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1
+}
+
+function generate()
+{
+	# make area 7 being included in area 6
+	OFFS=$((2*LUKS2_HDR_SIZE*512))
+	json_str=$(jq -c --arg off $OFFS '.config.keyslots_size = (.segments."0".offset | tonumber - ($off | tonumber) + 4096 | tostring)' $TMPDIR/json0)
+	test -n "$json_str" || exit 2
+	# [.keyslots[].area.offset | tonumber] | max | tostring ---> max offset in keyslot areas
+	test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
+
+	write_luks2_json "$json_str" $TMPDIR/json0
+
+	merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0
+	erase_checksum $TMPDIR/area0
+	chks0=$(calc_sha256_checksum_file $TMPDIR/area0)
+	write_checksum $chks0 $TMPDIR/area0
+	write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG
+	kill_bin_hdr $TMPDIR/hdr1
+	write_luks2_hdr1 $TMPDIR/hdr1 $TGT_IMG
+}
+
+function check()
+{
+	read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1
+	local str_res1=$(head -c 6 $TMPDIR/hdr_res1)
+	test "$str_res1" = "VACUUM" || exit 2
+
+	read_luks2_json0 $TGT_IMG $TMPDIR/json_res0
+	jq -c --arg off $OFFS 'if .config.keyslots_size != ( .segments."0".offset | tonumber - ($off | tonumber) + 4096 | tostring )
+	       then error("Unexpected value in result json") else empty end' $TMPDIR/json_res0 || exit 5
+}
+
+function cleanup()
+{
+	rm -f $TMPDIR/*
+	rm -fd $TMPDIR
+}
+
+test $# -eq 2 || exit 1
+
+TGT_IMG=$1/$(test_img_name $0)
+SRC_IMG=$2
+
+prepare
+generate
+check
+cleanup