First release of open-appsec source code

core/message/smart_bio.h

@@ -0,0 +1,74 @@
+// 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 __SMART_BIO_H__
+#define __SMART_BIO_H__
+
+#include "openssl/ssl.h"
+#include "openssl/err.h"
+#include "openssl/bio.h"
+#include "openssl/x509v3.h"
+
+namespace smartBIO
+{
+
+template<class T> struct Destrctor;
+
+template<>
+struct Destrctor<BIO>
+{
+    void
+    operator()(BIO *pointer) const
+    {
+        if (pointer != nullptr) BIO_free_all(pointer);
+    }
+};
+
+// LCOV_EXCL_START Reason: No ssl ut
+template<>
+struct Destrctor<SSL_CTX>
+{
+    void
+    operator()(SSL_CTX *pointer) const
+    {
+        if (pointer != nullptr) SSL_CTX_free(pointer);
+    }
+};
+
+template<>
+struct Destrctor<X509>
+{
+    void
+    operator()(X509 *pointer) const
+    {
+        if (pointer != nullptr) X509_free(pointer);
+    }
+};
+
+template<>
+struct Destrctor<EVP_PKEY>
+{
+    void
+    operator()(EVP_PKEY *pointer) const
+    {
+        if (pointer != nullptr) EVP_PKEY_free(pointer);
+    }
+};
+// LCOV_EXCL_STOP
+
+template<class OpenSSLType>
+using BioUniquePtr = std::unique_ptr<OpenSSLType, smartBIO::Destrctor<OpenSSLType>>;
+
+} // namespace SmartBIO
+
+#endif // __SMART_BIO_H__