Add SSL support to "stream" library and OVSDB.

lib/stream-ssl.h

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2008, 2009 Nicira Networks.
+ *
+ * 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.
+ */
+#ifndef STREAM_SSL_H
+#define STREAM_SSL_H 1
+
+#include <stdbool.h>
+
+#ifdef HAVE_OPENSSL
+bool stream_ssl_is_configured(void);
+void stream_ssl_set_private_key_file(const char *file_name);
+void stream_ssl_set_certificate_file(const char *file_name);
+void stream_ssl_set_ca_cert_file(const char *file_name, bool bootstrap);
+void stream_ssl_set_peer_ca_cert_file(const char *file_name);
+
+#define STREAM_SSL_LONG_OPTIONS                     \
+        {"private-key", required_argument, 0, 'p'}, \
+        {"certificate", required_argument, 0, 'c'}, \
+        {"ca-cert",     required_argument, 0, 'C'},
+
+#define STREAM_SSL_OPTION_HANDLERS                      \
+        case 'p':                                       \
+            stream_ssl_set_private_key_file(optarg);    \
+            break;                                      \
+                                                        \
+        case 'c':                                       \
+            stream_ssl_set_certificate_file(optarg);    \
+            break;                                      \
+                                                        \
+        case 'C':                                       \
+            stream_ssl_set_ca_cert_file(optarg, false); \
+            break;
+#else /* !HAVE_OPENSSL */
+static inline bool stream_ssl_is_configured(void) 
+{
+    return false;
+}
+#define STREAM_SSL_LONG_OPTIONS
+#define STREAM_SSL_OPTION_HANDLERS
+#endif /* !HAVE_OPENSSL */
+
+#endif /* stream-ssl.h */