1 files changed, 76 insertions, 0 deletions
diff --git a/tests/generators/generate-luks2-non-null-bytes-beyond-json0.img.sh b/tests/generators/generate-luks2-non-null-bytes-beyond-json0.img.sh
new file mode 100755
index 0000000..7d46628
--- /dev/null
+++ b/tests/generators/generate-luks2-non-null-bytes-beyond-json0.img.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+
+. lib.sh
+
+#
+# *** Description ***
+#
+# generate primary header with json area containing illegal bytes
+# beyond well-formed json format.
+#
+# secondary header is corrupted on purpose as well
+#
+
+# $1 full target dir
+# $2 full source luks2 image
+
+QUOTE="[Homer J. Simpson]: Keep looking shocked and move slowly towards the cake."
+SPACE=20
+
+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()
+{
+	read -r json_str < $TMPDIR/json0
+	json_len_orig=${#json_str}
+	json_len=$((json_len_orig+${#QUOTE}+SPACE))
+	test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
+
+	printf '%s' "$QUOTE" | _dd of=$TMPDIR/json0 seek=$((json_len_orig+SPACE)) bs=1 conv=notrunc
+
+	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 $TMPDIR/json_res0
+	chks_res0=$(read_sha256_checksum $TGT_IMG)
+	test "$chks0" = "$chks_res0" || exit 2
+
+	_dd if=$TMPDIR/json_res0 of=$TMPDIR/quote skip=$((json_len_orig+SPACE)) count=${#QUOTE} bs=1
+	json_str_res0=$(head -c ${#QUOTE} $TMPDIR/quote)
+	test "$json_str_res0" = "$QUOTE" || exit 2
+}
+
+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