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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <rfb/CSecurityNone.h>
#include <rfb/CSecurityStack.h>
#include <rfb/CSecurityVeNCrypt.h>
#include <rfb/CSecurityVncAuth.h>
#include <rfb/CSecurityPlain.h>
#include <rdr/Exception.h>
#include <rfb/Security.h>
#ifdef HAVE_GNUTLS
#include <rfb/CSecurityTLS.h>
#endif
#ifdef HAVE_NETTLE
#include <rfb/CSecurityRSAAES.h>
#endif
using namespace rdr;
using namespace rfb;
UserPasswdGetter *CSecurity::upg = NULL;
#if defined(HAVE_GNUTLS) || defined(HAVE_NETTLE)
UserMsgBox *CSecurity::msg = NULL;
#endif
StringParameter SecurityClient::secTypes
("SecurityTypes",
"Specify which security scheme to use (None, VncAuth, Plain"
#ifdef HAVE_GNUTLS
", TLSNone, TLSVnc, TLSPlain, X509None, X509Vnc, X509Plain"
#endif
#ifdef HAVE_NETTLE
", RA2, RA2ne, RA2_256, RA2ne_256"
#endif
")",
#ifdef HAVE_GNUTLS
"X509Plain,TLSPlain,X509Vnc,TLSVnc,X509None,TLSNone,"
#endif
#ifdef HAVE_NETTLE
"RA2,RA2_256,RA2ne,RA2ne_256,"
#endif
"VncAuth,None",
ConfViewer);
CSecurity* SecurityClient::GetCSecurity(CConnection* cc, U32 secType)
{
assert (CSecurity::upg != NULL); /* (upg == NULL) means bug in the viewer */
#if defined(HAVE_GNUTLS) || defined(HAVE_NETTLE)
assert (CSecurity::msg != NULL);
#endif
if (!IsSupported(secType))
goto bail;
switch (secType) {
case secTypeNone: return new CSecurityNone(cc);
case secTypeVncAuth: return new CSecurityVncAuth(cc);
case secTypeVeNCrypt: return new CSecurityVeNCrypt(cc, this);
case secTypePlain: return new CSecurityPlain(cc);
#ifdef HAVE_GNUTLS
case secTypeTLSNone:
return new CSecurityStack(cc, secTypeTLSNone,
new CSecurityTLS(cc, true));
case secTypeTLSVnc:
return new CSecurityStack(cc, secTypeTLSVnc,
new CSecurityTLS(cc, true),
new CSecurityVncAuth(cc));
case secTypeTLSPlain:
return new CSecurityStack(cc, secTypeTLSPlain,
new CSecurityTLS(cc, true),
new CSecurityPlain(cc));
case secTypeX509None:
return new CSecurityStack(cc, secTypeX509None,
new CSecurityTLS(cc, false));
case secTypeX509Vnc:
return new CSecurityStack(cc, secTypeX509Vnc,
new CSecurityTLS(cc, false),
new CSecurityVncAuth(cc));
case secTypeX509Plain:
return new CSecurityStack(cc, secTypeX509Plain,
new CSecurityTLS(cc, false),
new CSecurityPlain(cc));
#endif
#ifdef HAVE_NETTLE
case secTypeRA2:
return new CSecurityRSAAES(cc, secTypeRA2, 128, true);
case secTypeRA2ne:
return new CSecurityRSAAES(cc, secTypeRA2ne, 128, false);
case secTypeRA256:
return new CSecurityRSAAES(cc, secTypeRA256, 256, true);
case secTypeRAne256:
return new CSecurityRSAAES(cc, secTypeRAne256, 256, false);
#endif
}
bail:
throw Exception("Security type not supported");
}
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