Security/libsecurity_utilities/lib/socks++4.h

   1 /*
   2  * Copyright (c) 2000-2001,2004,2011,2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 //
  26 // socks++int - internal header for Socks implementation
  27 //
  28 #ifndef _H_SOCKSPLUSPLUSINT
  29 #define _H_SOCKSPLUSPLUSINT
  30
  31 #include "socks++.h"
  32
  33
  34 namespace Security {
  35 namespace IPPlusPlus {
  36 namespace Socks4 {
  37
  38
  39 typedef unsigned char Byte;
  40
  41
  42 enum Command {
  43     socksConnect = 1,
  44     socksBind = 2
  45 };
  46
  47 enum Reply {
  48     requestAccepted = 90,
  49     requestFailed = 91,
  50     requestIdentFailed = 92,
  51     requestIdentRejected = 93
  52 };
  53
  54
  55 class Server : public SocksServer {
  56 public:
  57     Server(const IPSockAddress &s) : SocksServer(4, s) { }
  58
  59     virtual void connect(SocksClientSocket &me, const IPSockAddress &peer);
  60     virtual void connect(SocksClientSocket &me, const Host &host, IPPort port);
  61     virtual void bind(SocksServerSocket &me, const IPAddress &peer, IPPort port);
  62     virtual void receive(SocksServerSocket &me, SocksClientSocket &receiver);
  63 };
  64
  65
  66 struct Message {
  67     Byte version;
  68     Byte message;
  69     IPPort port;
  70     IPAddress addr;
  71
  72     Message(Command cmd, const IPSockAddress &addr);
  73     void send(Socket &s, const char *userid);
  74
  75     Message(Socket &s);
  76
  77     IPSockAddress address() const       { return IPSockAddress(addr, port); }
  78 };
  79
  80
  81
  82 }       // end namespace Socks
  83 }       // end namespace IPPlusPlus
  84 }       // end namespace Security
  85
  86 #endif //_H_SOCKSPLUSPLUSINT