1 /* Copyright (C) 2005 Martin Koegler
2  * Copyright (C) 2010 TigerVNC Team
3  *
4  * This is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This software is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this software; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
17  * USA.
18  */
19 
20 #ifndef __RDR_TLSOUTSTREAM_H__
21 #define __RDR_TLSOUTSTREAM_H__
22 
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26 
27 #ifdef HAVE_GNUTLS
28 #include <gnutls/gnutls.h>
29 #include <rdr/OutStream.h>
30 
31 namespace rdr {
32 
33   class TLSOutStream : public OutStream {
34   public:
35     TLSOutStream(OutStream* out, gnutls_session_t session);
36     virtual ~TLSOutStream();
37 
38     void flush();
39     size_t length();
40     virtual void cork(bool enable);
41 
42   protected:
43     virtual void overrun(size_t needed);
44 
45   private:
46     size_t writeTLS(const U8* data, size_t length);
47     static ssize_t push(gnutls_transport_ptr_t str, const void* data, size_t size);
48 
49     gnutls_session_t session;
50     OutStream* out;
51     size_t bufSize;
52     U8* start;
53     size_t offset;
54 
55     Exception* saved_exception;
56   };
57 };
58 
59 #endif
60 #endif
61