1 files changed, 47 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..18abf23
--- /dev/null
+++ b/tests/generators/generate-luks2-non-null-bytes-beyond-json0.img.sh
@@ -0,0 +1,47 @@
+#!/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 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
+
+	lib_mangle_json_hdr0_kill_hdr1
+}
+
+function check()
+{
+	lib_hdr1_killed || exit 2
+	lib_hdr0_checksum || exit 2
+
+	read_luks2_json0 $TGT_IMG $TMPDIR/json_res0
+
+	_dd if=$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
+}
+
+lib_prepare $@
+generate
+check
+lib_cleanup