Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/libfreerdp/crypto/opensslcompat.c

@@ -0,0 +1,45 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * OpenSSL Compatibility
+ *
+ * Copyright (C) 2016 Norbert Federa <norbert.federa@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with 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.
+ */
+
+#include "opensslcompat.h"
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+    (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
+
+BIO_METHOD* BIO_meth_new(int type, const char* name)
+{
+	BIO_METHOD* m;
+	if (!(m = calloc(1, sizeof(BIO_METHOD))))
+		return nullptr;
+	m->type = type;
+	m->name = name;
+	return m;
+}
+
+void RSA_get0_key(const RSA* r, const BIGNUM** n, const BIGNUM** e, const BIGNUM** d)
+{
+	if (n != nullptr)
+		*n = r->n;
+	if (e != nullptr)
+		*e = r->e;
+	if (d != nullptr)
+		*d = r->d;
+}
+
+#endif /* OPENSSL < 1.1.0 || LIBRESSL */