src/networkAddress.cpp

   1 /*
   2  *  anytun
   3  *
   4  *  The secure anycast tunneling protocol (satp) defines a protocol used
   5  *  for communication between any combination of unicast and anycast
   6  *  tunnel endpoints.  It has less protocol overhead than IPSec in Tunnel
   7  *  mode and allows tunneling of every ETHER TYPE protocol (e.g.
   8  *  ethernet, ip, arp ...). satp directly includes cryptography and
   9  *  message authentication based on the methodes used by SRTP.  It is
  10  *  intended to deliver a generic, scaleable and secure solution for
  11  *  tunneling and relaying of packets of any protocol.
  12  *
  13  *
  14  *  Copyright (C) 2007-2008 Othmar Gsenger, Erwin Nindl,
  15  *                          Christian Pointner <satp@wirdorange.org>
  16  *
  17  *  This file is part of Anytun.
  18  *
  19  *  Anytun is free software: you can redistribute it and/or modify
  20  *  it under the terms of the GNU General Public License version 3 as
  21  *  published by the Free Software Foundation.
  22  *
  23  *  Anytun is distributed in the hope that it will be useful,
  24  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  25  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  26  *  GNU General Public License for more details.
  27  *
  28  *  You should have received a copy of the GNU General Public License
  29  *  along with anytun.  If not, see <http://www.gnu.org/licenses/>.
  30  */
  31
  32 #include "threadUtils.hpp"
  33 #include "datatypes.h"
  34 #include <exception>
  35
  36 #include "networkAddress.h"
  37
  38 NetworkAddress::NetworkAddress():ipv4_address_(),ipv6_address_()
  39 {
  40         network_address_type_=ipv4;
  41 }
  42
  43 NetworkAddress::NetworkAddress(const NetworkAddress & ref) : mutex_(),ipv4_address_(ref.ipv4_address_),ipv6_address_(ref.ipv6_address_),ethernet_address_(ref.ethernet_address_),network_address_type_(ref.network_address_type_)
  44 {
  45 }
  46
  47 NetworkAddress::NetworkAddress(const std::string & address)
  48 {
  49         boost::asio::ip::address addr = boost::asio::ip::address::from_string(address);
  50         if (addr.is_v4())
  51         {
  52                 network_address_type_=ipv4;
  53                 ipv4_address_ = addr.to_v4();
  54         } else {
  55                 network_address_type_=ipv6;
  56                 ipv6_address_ = addr.to_v6();
  57         }
  58 }
  59
  60 NetworkAddress::NetworkAddress(boost::asio::ip::address_v6 ipv6_address)
  61 {
  62         network_address_type_=ipv6;
  63         ipv6_address_ = ipv6_address;
  64 }
  65
  66 NetworkAddress::NetworkAddress(boost::asio::ip::address_v4 ipv4_address)
  67 {
  68         network_address_type_=ipv4;
  69         ipv4_address_ = ipv4_address;
  70 }
  71
  72 NetworkAddress::NetworkAddress(u_int64_t ethernet_address)
  73 {
  74         network_address_type_=ethernet;
  75         ethernet_address_=ethernet_address;
  76 }
  77
  78
  79 NetworkAddress::~NetworkAddress()
  80 {
  81 }
  82
  83 NetworkAddress::NetworkAddress(const network_address_type_t type, const std::string & address )
  84 {
  85         setNetworkAddress( type, address);
  86 }
  87
  88 void NetworkAddress::setNetworkAddress(const network_address_type_t type, const std::string & address )
  89 {
  90         if (type==ipv4)
  91         {
  92                 ipv4_address_=boost::asio::ip::address_v4::from_string(address);
  93         } else if (type==ipv6) {
  94                 ipv6_address_=boost::asio::ip::address_v6::from_string(address);
  95         } else if (type==ethernet) {
  96                 //TODO
  97         } else {
  98                 //TODO
  99         }
 100         network_address_type_ = type;
 101 }
 102
 103 network_address_type_t NetworkAddress::getNetworkAddressType() const
 104 {
 105         return network_address_type_;
 106 }
 107
 108 std::string NetworkAddress::toString() const
 109 {
 110         if (network_address_type_==ipv4){
 111                 return ipv4_address_.to_string();
 112         }
 113   else if (network_address_type_==ipv6) {
 114                 return ipv6_address_.to_string();
 115         }
 116   else if (network_address_type_==ethernet) {
 117         // TODO
 118         }
 119   return std::string("");
 120 }
 121
 122 ipv4_bytes_type NetworkAddress::to_bytes_v4() const
 123 {
 124         return ipv4_address_.to_bytes();
 125 }
 126
 127 ipv6_bytes_type NetworkAddress::to_bytes_v6() const
 128 {
 129         return ipv6_address_.to_bytes();
 130 }
 131
 132 ethernet_bytes_type     NetworkAddress::to_bytes_ethernet() const
 133 {
 134         boost::array<unsigned char,6> result;
 135         u_int64_t ether=ethernet_address_;
 136         for (int i = 0; i < 6; i++)
 137         {
 138                 result[i] = (unsigned char) (ether && 0xff);
 139                         ether >>= 8;
 140         }
 141         return result;
 142 }
 143
 144 bool NetworkAddress::operator<(const NetworkAddress &right) const
 145 {
 146         if (network_address_type_!=right.network_address_type_)
 147                 throw std::runtime_error("NetworkAddress::operator<() address types don't match");
 148         if (network_address_type_==ipv4)
 149         {
 150                 return (ipv4_address_ < right.ipv4_address_);
 151         } else if (network_address_type_==ipv6) {
 152                 return (ipv6_address_ < right.ipv6_address_);
 153         } else if (network_address_type_==ethernet) {
 154                  return (ethernet_address_ < right.ethernet_address_);
 155         } else {
 156                 //TODO
 157         }
 158         return false;
 159 }
 160