KasmVNC/common/rdr/TLSOutStream.h
Pierre Ossman 259f1055cb Use size_t for lengths in stream objects
Provides safety against them accidentally becoming negative because
of bugs in the calculations.

Also does the same to CharArray and friends as they were strongly
connection to the stream objects.
2020-09-21 12:55:59 +03:00

58 lines
1.5 KiB
C++

/* Copyright (C) 2005 Martin Koegler
* Copyright (C) 2010 TigerVNC Team
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifndef __RDR_TLSOUTSTREAM_H__
#define __RDR_TLSOUTSTREAM_H__
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_GNUTLS
#include <gnutls/gnutls.h>
#include <rdr/OutStream.h>
namespace rdr {
class TLSOutStream : public OutStream {
public:
TLSOutStream(OutStream* out, gnutls_session_t session);
virtual ~TLSOutStream();
void flush();
size_t length();
protected:
size_t overrun(size_t itemSize, size_t nItems);
private:
size_t writeTLS(const U8* data, size_t length);
static ssize_t push(gnutls_transport_ptr_t str, const void* data, size_t size);
gnutls_session_t session;
OutStream* out;
size_t bufSize;
U8* start;
size_t offset;
};
};
#endif
#endif