Preparing for axTLS. Actual SSL API functions are only stubbed.

Added axTLS to autotool files and glue code to misc other files.
axtls.h maps SSL API functions, but may change.
axtls.c is just a stub file and will definitely change.

1 files changed, 139 insertions, 0 deletions

diff --git a/lib/axtls.c b/lib/axtls.c
new file mode 100644
index 000000000..9a253bc1e
--- /dev/null
+++ b/lib/axtls.c
@@ -0,0 +1,139 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2010, DirecTV
+ * contact: Eric Hu <ehu@directv.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.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for all axTLS-specific code for the TLS/SSL layer. No code
+ * but sslgen.c should ever call or use these functions.
+ */
+
+#include "setup.h"
+#ifdef USE_AXTLS
+#include <axTLS/ssl.h>
+#include "axtls.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#include "sendf.h"
+#include "inet_pton.h"
+#include "sslgen.h"
+#include "parsedate.h"
+#include "connect.h" /* for the connect timeout */
+#include "select.h"
+#define _MPRINTF_REPLACE /* use our functions only */
+#include <curl/mprintf.h>
+#include "memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/* Global axTLS init, called from Curl_ssl_init() */
+int Curl_axtls_init(void)
+{
+  return 1;
+}
+
+int Curl_axtls_cleanup(void)
+{
+  return 1;
+}
+
+/*
+ * This function is called after the TCP connect has completed. Setup the TLS
+ * layer and do all necessary magic.
+ */
+CURLcode
+Curl_axtls_connect(struct connectdata *conn,
+                  int sockindex)
+
+{
+  return CURLE_OK;
+}
+
+
+/* return number of sent (non-SSL) bytes */
+ssize_t Curl_axtls_send(struct connectdata *conn,
+                       int sockindex,
+                       const void *mem,
+                       size_t len)
+{
+  return 0;
+}
+
+void Curl_axtls_close_all(struct SessionHandle *data)
+{
+}
+
+void Curl_axtls_close(struct connectdata *conn, int sockindex)
+{
+}
+
+/*
+ * This function is called to shut down the SSL layer but keep the
+ * socket open (CCC - Clear Command Channel)
+ */
+int Curl_axtls_shutdown(struct connectdata *conn, int sockindex)
+{
+  return 0;
+}
+
+/*
+ * If the read would block we return -1 and set 'wouldblock' to TRUE.
+ * Otherwise we return the amount of data read. Other errors should return -1
+ * and set 'wouldblock' to FALSE.
+ */
+ssize_t Curl_axtls_recv(struct connectdata *conn, /* connection data */
+                       int num,                  /* socketindex */
+                       char *buf,                /* store read data here */
+                       size_t buffersize,        /* max amount to read */
+                       bool *wouldblock)
+{
+  return 0;
+}
+
+/*
+ * This function uses SSL_peek to determine connection status.
+ *
+ * Return codes:
+ *     1 means the connection is still in place
+ *     0 means the connection has been closed
+ *    -1 means the connection status is unknown
+ */
+int Curl_axtls_check_cxn(struct connectdata *conn)
+{
+   return 0;
+}
+
+void Curl_axtls_session_free(void *ptr)
+{
+}
+
+size_t Curl_axtls_version(char *buffer, size_t size)
+{
+  return snprintf(buffer, size, "axTLS/1.2.7");
+}
+
+#endif /* USE_AXTLS */