May 27 update

components/security_apps/waap/waap_clib/ParserBinaryFile.h

@@ -0,0 +1,57 @@
+// Copyright (C) 2022 Check Point Software Technologies Ltd. All rights reserved.
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef __PARSER_BINARY_FILE_H__
+#define __PARSER_BINARY_FILE_H__
+
+#include "ParserBase.h"
+#include "Waf2Util.h"
+#include <string.h>
+
+#define MIN_HEADER_LOOKUP 16
+#define MAX_HEADER_LOOKUP 64
+#define MAX_TAIL_LOOKUP 5
+
+class ParserBinaryFile : public ParserBase {
+public:
+    static Waap::Util::BinaryFileType detectBinaryFileHeader(const std::string &buf);
+
+    ParserBinaryFile(
+        IParserStreamReceiver &receiver,
+        size_t parser_depth,
+        bool is_base64,
+        Waap::Util::BinaryFileType file_type);
+    virtual ~ParserBinaryFile();
+    virtual size_t push(const char *buf, size_t len);
+    virtual void finish();
+    virtual const std::string &name() const;
+    virtual bool error() const;
+    virtual size_t depth() { return 1; }
+
+private:
+    enum state {
+        s_start,
+        s_body,
+        s_end,
+        s_error
+    };
+
+    IParserStreamReceiver &m_receiver;
+    enum state m_state;
+    static const std::string m_parserName;
+    size_t m_parser_depth;
+    bool m_is_base64;
+    Waap::Util::BinaryFileType m_file_type;
+};
+
+#endif // __PARSER_BINARY_FILE_H__