darwinssl: add support for native Mac OS X/iOS SSL

lib/curl_darwinssl.h

@@ -0,0 +1,62 @@
+#ifndef HEADER_CURL_DARWINSSL_H
+#define HEADER_CURL_DARWINSSL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012, Nick Zitzmann, <nickzman@gmail.com>.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "setup.h"
+
+#ifdef USE_DARWINSSL
+
+CURLcode Curl_st_connect(struct connectdata *conn, int sockindex);
+
+CURLcode Curl_st_connect_nonblocking(struct connectdata *conn,
+                                     int sockindex,
+                                     bool *done);
+
+/* this function doesn't actually do anything */
+void Curl_st_close_all(struct SessionHandle *data);
+
+/* close a SSL connection */
+void Curl_st_close(struct connectdata *conn, int sockindex);
+
+size_t Curl_st_version(char *buffer, size_t size);
+int Curl_st_shutdown(struct connectdata *conn, int sockindex);
+int Curl_st_check_cxn(struct connectdata *conn);
+bool Curl_st_data_pending(const struct connectdata *conn, int connindex);
+
+/* API setup for SecureTransport */
+#define curlssl_init() (1)
+#define curlssl_cleanup() Curl_nop_stmt
+#define curlssl_connect Curl_st_connect
+#define curlssl_connect_nonblocking Curl_st_connect_nonblocking
+#define curlssl_session_free(x) Curl_nop_stmt
+#define curlssl_close_all Curl_st_close_all
+#define curlssl_close Curl_st_close
+#define curlssl_shutdown(x,y) 0
+#define curlssl_set_engine(x,y) (x=x, y=y, CURLE_NOT_BUILT_IN)
+#define curlssl_set_engine_default(x) (x=x, CURLE_NOT_BUILT_IN)
+#define curlssl_engines_list(x) (x=x, (struct curl_slist *)NULL)
+#define curlssl_version Curl_st_version
+#define curlssl_check_cxn Curl_st_check_cxn
+#define curlssl_data_pending(x,y) Curl_st_data_pending(x, y)
+
+#endif /* USE_DARWINSSL */
+#endif /* HEADER_CURL_DARWINSSL_H */