1 files changed, 58 insertions, 0 deletions
diff --git a/tests/fuzz/plain_json_proto_to_luks2_converter.h b/tests/fuzz/plain_json_proto_to_luks2_converter.h
new file mode 100644
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--- /dev/null
+++ b/tests/fuzz/plain_json_proto_to_luks2_converter.h
@@ -0,0 +1,58 @@
+/*
+ * cryptsetup LUKS2 custom mutator fuzz target
+ *
+ * Copyright (C) 2022-2023 Daniel Zatovic <daniel.zatovic@gmail.com>
+ * Copyright (C) 2022-2023 Red Hat, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef LUKS2_PROTO_CONVERTER_H_
+#define LUKS2_PROTO_CONVERTER_H_
+
+#include <sstream>
+#include <string>
+#include <json-c/json.h>
+
+#include "LUKS2_plain_JSON.pb.h"
+extern "C" {
+#include "crypto_backend/crypto_backend.h"
+}
+
+namespace json_proto {
+
+class LUKS2ProtoConverter {
+  public:
+    ~LUKS2ProtoConverter();
+    void create_jobj(const LUKS2_both_headers &headers, uint64_t hdr_size);
+    void convert(const LUKS2_both_headers &headers, int fd);
+    void create_jobj(const LUKS2_both_headers &headers);
+    void emit_luks2_binary_header(const LUKS2_header &header_proto, int fd, uint64_t offset, uint64_t seqid, const std::string &json_text);
+
+    void set_write_headers_only(bool headers_only);
+
+    const uint8_t *get_out_buffer();
+    size_t get_out_size();
+
+    static const uint64_t KEYSLOTS_SIZE = 3 * 1024 * 1024;
+    static const uint64_t DATA_SIZE = 16 * 1024 * 1024;
+  private:
+    bool write_headers_only = false;
+    struct crypt_hash *hd = NULL;
+};
+
+}  // namespace LUKS2_proto
+
+#endif  // LUKS2_PROTO_CONVERTER_H_