KasmVNC/common/rfb/Security.h
2020-09-20 12:16:44 +00:00

110 lines
3.2 KiB
C++

/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* 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.
*/
//
// secTypes.h - constants for the various security types.
//
#ifndef __RFB_SECTYPES_H__
#define __RFB_SECTYPES_H__
#include <rdr/types.h>
#include <rfb/Configuration.h>
#include <rfb/CSecurity.h>
#include <list>
namespace rfb {
const rdr::U8 secTypeInvalid = 0;
const rdr::U8 secTypeNone = 1;
const rdr::U8 secTypeVncAuth = 2;
const rdr::U8 secTypeRA2 = 5;
const rdr::U8 secTypeRA2ne = 6;
const rdr::U8 secTypeSSPI = 7;
const rdr::U8 secTypeSSPIne = 8;
const rdr::U8 secTypeTight = 16;
const rdr::U8 secTypeUltra = 17;
const rdr::U8 secTypeTLS = 18;
const rdr::U8 secTypeVeNCrypt= 19;
/* VeNCrypt subtypes */
const int secTypePlain = 256;
const int secTypeTLSNone = 257;
const int secTypeTLSVnc = 258;
const int secTypeTLSPlain = 259;
const int secTypeX509None = 260;
const int secTypeX509Vnc = 261;
const int secTypeX509Plain = 262;
// result types
const rdr::U32 secResultOK = 0;
const rdr::U32 secResultFailed = 1;
const rdr::U32 secResultTooMany = 2; // deprecated
class Security {
public:
/*
* Create Security instance.
*/
Security();
Security(StringParameter &secTypes);
/*
* Note about security types.
*
* Although RFB protocol specifies security types as U8 values,
* we map VeNCrypt subtypes (U32) into the standard security types
* to simplify user configuration. With this mapping user can configure
* both VeNCrypt subtypes and security types with only one option.
*/
/* Enable/Disable certain security type */
void EnableSecType(rdr::U32 secType);
void DisableSecType(rdr::U32 secType) { enabledSecTypes.remove(secType); }
void SetSecTypes(std::list<rdr::U32> &secTypes) { enabledSecTypes = secTypes; }
/* Check if certain type is supported */
bool IsSupported(rdr::U32 secType);
/* Get list of enabled security types without VeNCrypt subtypes */
const std::list<rdr::U8> GetEnabledSecTypes(void);
/* Get list of enabled VeNCrypt subtypes */
const std::list<rdr::U32> GetEnabledExtSecTypes(void);
/* Output char* is stored in static array */
char *ToString(void);
#ifdef HAVE_GNUTLS
static StringParameter GnuTLSPriority;
#endif
private:
std::list<rdr::U32> enabledSecTypes;
};
const char* secTypeName(rdr::U32 num);
rdr::U32 secTypeNum(const char* name);
std::list<rdr::U32> parseSecTypes(const char* types);
}
#endif