cdsa/cdsa_utilities/socks++4.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 //
  20 // socks++int - internal header for Socks implementation
  21 //
  22 #ifndef _H_SOCKSPLUSPLUSINT
  23 #define _H_SOCKSPLUSPLUSINT
  24
  25 #include "socks++.h"
  26
  27
  28 namespace Security {
  29 namespace IPPlusPlus {
  30 namespace Socks4 {
  31
  32
  33 typedef unsigned char Byte;
  34
  35
  36 enum Command {
  37     socksConnect = 1,
  38     socksBind = 2
  39 };
  40
  41 enum Reply {
  42     requestAccepted = 90,
  43     requestFailed = 91,
  44     requestIdentFailed = 92,
  45     requestIdentRejected = 93
  46 };
  47
  48
  49 class Server : public SocksServer {
  50 public:
  51     Server(const IPSockAddress &s) : SocksServer(4, s) { }
  52
  53     virtual void connect(SocksClientSocket &me, const IPSockAddress &peer);
  54     virtual void connect(SocksClientSocket &me, const Host &host, IPPort port);
  55     virtual void bind(SocksServerSocket &me, const IPAddress &peer, IPPort port);
  56     virtual void receive(SocksServerSocket &me, SocksClientSocket &receiver);
  57 };
  58
  59
  60 struct Message {
  61     Byte version;
  62     Byte message;
  63     IPPort port;
  64     IPAddress addr;
  65
  66     Message(Command cmd, const IPSockAddress &addr);
  67     void send(Socket &s, const char *userid);
  68
  69     Message(Socket &s);
  70
  71     IPSockAddress address() const       { return IPSockAddress(addr, port); }
  72 };
  73
  74
  75
  76 }       // end namespace Socks
  77 }       // end namespace IPPlusPlus
  78 }       // end namespace Security
  79
  80 #endif //_H_SOCKSPLUSPLUSINT