1 | /* $Id: NATNetworkImpl.cpp 60805 2016-05-03 15:16:13Z vboxsync $ */
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2 | /** @file
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3 | * INATNetwork implementation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2013-2016 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 | #include <string>
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19 | #include "NetworkServiceRunner.h"
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20 | #include "DHCPServerImpl.h"
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21 | #include "NATNetworkImpl.h"
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22 | #include "AutoCaller.h"
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23 | #include "Logging.h"
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24 |
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25 | #include <iprt/asm.h>
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26 | #include <iprt/cpp/utils.h>
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27 | #include <iprt/cidr.h>
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28 | #include <iprt/net.h>
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29 | #include <VBox/com/array.h>
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30 | #include <VBox/com/ptr.h>
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31 | #include <VBox/settings.h>
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32 |
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33 | #include "EventImpl.h"
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34 |
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35 | #include "VirtualBoxImpl.h"
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36 | #include <algorithm>
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37 | #include <list>
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38 |
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39 | #ifndef RT_OS_WINDOWS
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40 | # include <netinet/in.h>
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41 | #else
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42 | # define IN_LOOPBACKNET 127
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43 | #endif
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44 |
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45 |
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46 | // constructor / destructor
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47 | /////////////////////////////////////////////////////////////////////////////
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48 | struct NATNetwork::Data
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49 | {
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50 | Data()
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51 | : pVirtualBox(NULL)
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52 | , offGateway(0)
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53 | , offDhcp(0)
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54 | {
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55 | }
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56 | virtual ~Data(){}
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57 | const ComObjPtr<EventSource> pEventSource;
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58 | #ifdef VBOX_WITH_NAT_SERVICE
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59 | NATNetworkServiceRunner NATRunner;
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60 | ComObjPtr<IDHCPServer> dhcpServer;
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61 | #endif
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62 | /** weak VirtualBox parent */
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63 | VirtualBox * const pVirtualBox;
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64 |
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65 | /** NATNetwork settings */
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66 | settings::NATNetwork s;
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67 |
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68 | com::Utf8Str IPv4Gateway;
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69 | com::Utf8Str IPv4NetworkMask;
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70 | com::Utf8Str IPv4DhcpServer;
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71 | com::Utf8Str IPv4DhcpServerLowerIp;
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72 | com::Utf8Str IPv4DhcpServerUpperIp;
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73 |
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74 | uint32_t offGateway;
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75 | uint32_t offDhcp;
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76 | };
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77 |
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78 |
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79 | NATNetwork::NATNetwork()
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80 | : m(NULL)
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81 | {
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82 | }
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83 |
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84 |
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85 | NATNetwork::~NATNetwork()
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86 | {
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87 | }
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88 |
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89 |
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90 | HRESULT NATNetwork::FinalConstruct()
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91 | {
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92 | return BaseFinalConstruct();
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93 | }
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94 |
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95 |
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96 | void NATNetwork::FinalRelease()
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97 | {
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98 | uninit();
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99 |
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100 | BaseFinalRelease();
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101 | }
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102 |
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103 |
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104 | void NATNetwork::uninit()
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105 | {
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106 | /* Enclose the state transition Ready->InUninit->NotReady */
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107 | AutoUninitSpan autoUninitSpan(this);
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108 | if (autoUninitSpan.uninitDone())
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109 | return;
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110 | unconst(m->pVirtualBox) = NULL;
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111 | delete m;
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112 | m = NULL;
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113 | }
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114 |
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115 | HRESULT NATNetwork::init(VirtualBox *aVirtualBox, com::Utf8Str aName)
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116 | {
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117 | AutoInitSpan autoInitSpan(this);
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118 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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119 |
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120 | m = new Data();
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121 | /* share VirtualBox weakly */
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122 | unconst(m->pVirtualBox) = aVirtualBox;
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123 | m->s.strNetworkName = aName;
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124 | m->s.strIPv4NetworkCidr = "10.0.2.0/24";
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125 | m->offGateway = 1;
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126 | i_recalculateIPv6Prefix(); /* set m->strIPv6Prefix based on IPv4 */
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127 |
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128 | settings::NATHostLoopbackOffset off;
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129 | off.strLoopbackHostAddress = "127.0.0.1";
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130 | off.u32Offset = (uint32_t)2;
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131 | m->s.llHostLoopbackOffsetList.push_back(off);
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132 |
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133 | i_recalculateIpv4AddressAssignments();
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134 |
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135 | HRESULT hrc = unconst(m->pEventSource).createObject();
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136 | if (FAILED(hrc)) throw hrc;
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137 |
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138 | hrc = m->pEventSource->init();
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139 | if (FAILED(hrc)) throw hrc;
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140 |
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141 | /* Confirm a successful initialization */
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142 | autoInitSpan.setSucceeded();
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143 |
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144 | return S_OK;
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145 | }
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146 |
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147 |
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148 | HRESULT NATNetwork::i_loadSettings(const settings::NATNetwork &data)
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149 | {
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150 | AutoCaller autoCaller(this);
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151 | AssertComRCReturnRC(autoCaller.rc());
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152 |
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153 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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154 | m->s = data;
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155 | if ( m->s.strIPv6Prefix.isEmpty()
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156 | /* also clean up bogus old default */
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157 | || m->s.strIPv6Prefix == "fe80::/64")
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158 | i_recalculateIPv6Prefix(); /* set m->strIPv6Prefix based on IPv4 */
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159 | i_recalculateIpv4AddressAssignments();
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160 |
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161 | return S_OK;
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162 | }
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163 |
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164 | HRESULT NATNetwork::i_saveSettings(settings::NATNetwork &data)
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165 | {
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166 | AutoCaller autoCaller(this);
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167 | if (FAILED(autoCaller.rc())) return autoCaller.rc();
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168 |
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169 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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170 | AssertReturn(!m->s.strNetworkName.isEmpty(), E_FAIL);
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171 | data = m->s;
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172 |
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173 | m->pVirtualBox->i_onNATNetworkSetting(Bstr(m->s.strNetworkName).raw(),
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174 | m->s.fEnabled,
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175 | Bstr(m->s.strIPv4NetworkCidr).raw(),
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176 | Bstr(m->IPv4Gateway).raw(),
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177 | m->s.fAdvertiseDefaultIPv6Route,
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178 | m->s.fNeedDhcpServer);
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179 |
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180 | /* Notify listerners listening on this network only */
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181 | fireNATNetworkSettingEvent(m->pEventSource,
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182 | Bstr(m->s.strNetworkName).raw(),
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183 | m->s.fEnabled,
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184 | Bstr(m->s.strIPv4NetworkCidr).raw(),
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185 | Bstr(m->IPv4Gateway).raw(),
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186 | m->s.fAdvertiseDefaultIPv6Route,
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187 | m->s.fNeedDhcpServer);
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188 |
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189 | return S_OK;
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190 | }
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191 |
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192 | HRESULT NATNetwork::getEventSource(ComPtr<IEventSource> &aEventSource)
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193 | {
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194 | /* event source is const, no need to lock */
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195 | m->pEventSource.queryInterfaceTo(aEventSource.asOutParam());
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196 | return S_OK;
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197 | }
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198 |
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199 | HRESULT NATNetwork::getNetworkName(com::Utf8Str &aNetworkName)
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200 | {
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201 | AssertReturn(!m->s.strNetworkName.isEmpty(), E_FAIL);
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202 | aNetworkName = m->s.strNetworkName;
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203 | return S_OK;
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204 | }
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205 |
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206 | HRESULT NATNetwork::setNetworkName(const com::Utf8Str &aNetworkName)
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207 | {
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208 | if (m->s.strNetworkName.isEmpty())
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209 | return setError(E_INVALIDARG,
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210 | tr("Network name cannot be empty"));
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211 | {
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212 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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213 | if (aNetworkName == m->s.strNetworkName)
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214 | return S_OK;
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215 |
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216 | m->s.strNetworkName = aNetworkName;
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217 | }
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218 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
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219 | HRESULT rc = m->pVirtualBox->i_saveSettings();
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220 | ComAssertComRCRetRC(rc);
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221 |
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222 | return S_OK;
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223 | }
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224 |
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225 | HRESULT NATNetwork::getEnabled(BOOL *aEnabled)
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226 | {
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227 | *aEnabled = m->s.fEnabled;
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228 |
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229 | i_recalculateIpv4AddressAssignments();
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230 | return S_OK;
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231 | }
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232 |
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233 | HRESULT NATNetwork::setEnabled(const BOOL aEnabled)
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234 | {
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235 | {
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236 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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237 | if (RT_BOOL(aEnabled) == m->s.fEnabled)
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238 | return S_OK;
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239 | m->s.fEnabled = RT_BOOL(aEnabled);
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240 | }
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241 |
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242 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
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243 | HRESULT rc = m->pVirtualBox->i_saveSettings();
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244 | ComAssertComRCRetRC(rc);
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245 | return S_OK;
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246 | }
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247 |
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248 | HRESULT NATNetwork::getGateway(com::Utf8Str &aIPv4Gateway)
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249 | {
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250 | aIPv4Gateway = m->IPv4Gateway;
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251 | return S_OK;
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252 | }
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253 |
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254 | HRESULT NATNetwork::getNetwork(com::Utf8Str &aNetwork)
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255 | {
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256 | aNetwork = m->s.strIPv4NetworkCidr;
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257 | return S_OK;
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258 | }
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259 |
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260 |
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261 | HRESULT NATNetwork::setNetwork(const com::Utf8Str &aIPv4NetworkCidr)
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262 | {
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263 | {
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264 |
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265 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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266 |
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267 | if (aIPv4NetworkCidr == m->s.strIPv4NetworkCidr)
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268 | return S_OK;
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269 |
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270 | /* silently ignore network cidr update for now.
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271 | * todo: keep internally guest address of port forward rule
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272 | * as offset from network id.
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273 | */
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274 | if (!m->s.mapPortForwardRules4.empty())
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275 | return S_OK;
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276 |
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277 |
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278 | m->s.strIPv4NetworkCidr = aIPv4NetworkCidr;
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279 | i_recalculateIpv4AddressAssignments();
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280 | }
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281 |
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282 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
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283 | HRESULT rc = m->pVirtualBox->i_saveSettings();
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284 | ComAssertComRCRetRC(rc);
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285 | return S_OK;
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286 | }
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287 |
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288 |
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289 | HRESULT NATNetwork::getIPv6Enabled(BOOL *aIPv6Enabled)
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290 | {
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291 | *aIPv6Enabled = m->s.fIPv6Enabled;
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292 |
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293 | return S_OK;
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294 | }
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295 |
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296 |
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297 | HRESULT NATNetwork::setIPv6Enabled(const BOOL aIPv6Enabled)
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298 | {
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299 | {
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300 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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301 |
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302 | if (RT_BOOL(aIPv6Enabled) == m->s.fIPv6Enabled)
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303 | return S_OK;
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304 |
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305 | m->s.fIPv6Enabled = RT_BOOL(aIPv6Enabled);
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306 | }
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307 |
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308 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
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309 | HRESULT rc = m->pVirtualBox->i_saveSettings();
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310 | ComAssertComRCRetRC(rc);
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311 |
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312 | return S_OK;
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313 | }
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314 |
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315 |
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316 | HRESULT NATNetwork::getIPv6Prefix(com::Utf8Str &aIPv6Prefix)
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317 | {
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318 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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319 |
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320 | aIPv6Prefix = m->s.strIPv6Prefix;
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321 | return S_OK;
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322 | }
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323 |
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324 | HRESULT NATNetwork::setIPv6Prefix(const com::Utf8Str &aIPv6Prefix)
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325 | {
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326 | {
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327 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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328 |
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329 | if (aIPv6Prefix == m->s.strIPv6Prefix)
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330 | return S_OK;
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331 |
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332 | /* silently ignore network IPv6 prefix update.
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333 | * todo: see similar todo in NATNetwork::COMSETTER(Network)(IN_BSTR)
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334 | */
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335 | if (!m->s.mapPortForwardRules6.empty())
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336 | return S_OK;
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337 |
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338 | m->s.strIPv6Prefix = aIPv6Prefix;
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339 | }
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340 |
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341 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
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342 | HRESULT rc = m->pVirtualBox->i_saveSettings();
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343 | ComAssertComRCRetRC(rc);
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344 |
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345 | return S_OK;
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346 | }
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347 |
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348 |
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349 | HRESULT NATNetwork::getAdvertiseDefaultIPv6RouteEnabled(BOOL *aAdvertiseDefaultIPv6Route)
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350 | {
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351 | *aAdvertiseDefaultIPv6Route = m->s.fAdvertiseDefaultIPv6Route;
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352 |
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353 | return S_OK;
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354 | }
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355 |
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356 |
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357 | HRESULT NATNetwork::setAdvertiseDefaultIPv6RouteEnabled(const BOOL aAdvertiseDefaultIPv6Route)
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358 | {
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359 | {
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360 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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361 |
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362 | if (RT_BOOL(aAdvertiseDefaultIPv6Route) == m->s.fAdvertiseDefaultIPv6Route)
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363 | return S_OK;
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364 |
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365 | m->s.fAdvertiseDefaultIPv6Route = RT_BOOL(aAdvertiseDefaultIPv6Route);
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366 |
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367 | }
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368 |
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369 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
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370 | HRESULT rc = m->pVirtualBox->i_saveSettings();
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371 | ComAssertComRCRetRC(rc);
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372 |
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373 | return S_OK;
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374 | }
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375 |
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376 |
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377 | HRESULT NATNetwork::getNeedDhcpServer(BOOL *aNeedDhcpServer)
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378 | {
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379 | *aNeedDhcpServer = m->s.fNeedDhcpServer;
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380 |
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381 | return S_OK;
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382 | }
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383 |
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384 | HRESULT NATNetwork::setNeedDhcpServer(const BOOL aNeedDhcpServer)
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385 | {
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386 | {
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387 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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388 |
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389 | if (RT_BOOL(aNeedDhcpServer) == m->s.fNeedDhcpServer)
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390 | return S_OK;
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391 |
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392 | m->s.fNeedDhcpServer = RT_BOOL(aNeedDhcpServer);
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393 |
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394 | i_recalculateIpv4AddressAssignments();
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395 |
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396 | }
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397 |
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398 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
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399 | HRESULT rc = m->pVirtualBox->i_saveSettings();
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400 | ComAssertComRCRetRC(rc);
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401 |
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402 | return S_OK;
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403 | }
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404 |
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405 | HRESULT NATNetwork::getLocalMappings(std::vector<com::Utf8Str> &aLocalMappings)
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406 | {
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407 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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408 |
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409 | aLocalMappings.resize(m->s.llHostLoopbackOffsetList.size());
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410 | size_t i = 0;
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411 | for (settings::NATLoopbackOffsetList::const_iterator it = m->s.llHostLoopbackOffsetList.begin();
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412 | it != m->s.llHostLoopbackOffsetList.end(); ++it, ++i)
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413 | {
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414 | aLocalMappings[i] = Utf8StrFmt("%s=%d",
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415 | (*it).strLoopbackHostAddress.c_str(),
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416 | (*it).u32Offset);
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417 | }
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418 |
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419 | return S_OK;
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420 | }
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421 |
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422 | HRESULT NATNetwork::addLocalMapping(const com::Utf8Str &aHostId, LONG aOffset)
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423 | {
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424 | RTNETADDRIPV4 addr, net, mask;
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425 |
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426 | int rc = RTNetStrToIPv4Addr(Utf8Str(aHostId).c_str(), &addr);
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427 | if (RT_FAILURE(rc))
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428 | return E_INVALIDARG;
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429 |
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430 | /* check against 127/8 */
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431 | if ((RT_N2H_U32(addr.u) >> IN_CLASSA_NSHIFT) != IN_LOOPBACKNET)
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432 | return E_INVALIDARG;
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433 |
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434 | /* check against networkid vs network mask */
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435 | rc = RTCidrStrToIPv4(Utf8Str(m->s.strIPv4NetworkCidr).c_str(), &net, &mask);
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436 | if (RT_FAILURE(rc))
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437 | return E_INVALIDARG;
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438 |
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439 | if (((net.u + aOffset) & mask.u) != net.u)
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440 | return E_INVALIDARG;
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441 |
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442 | settings::NATLoopbackOffsetList::iterator it;
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443 |
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444 | it = std::find(m->s.llHostLoopbackOffsetList.begin(),
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445 | m->s.llHostLoopbackOffsetList.end(),
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446 | aHostId);
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447 | if (it != m->s.llHostLoopbackOffsetList.end())
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448 | {
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449 | if (aOffset == 0) /* erase */
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450 | m->s.llHostLoopbackOffsetList.erase(it, it);
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451 | else /* modify */
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452 | {
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453 | settings::NATLoopbackOffsetList::iterator it1;
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454 | it1 = std::find(m->s.llHostLoopbackOffsetList.begin(),
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455 | m->s.llHostLoopbackOffsetList.end(),
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456 | (uint32_t)aOffset);
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457 | if (it1 != m->s.llHostLoopbackOffsetList.end())
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458 | return E_INVALIDARG; /* this offset is already registered. */
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459 |
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460 | (*it).u32Offset = aOffset;
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461 | }
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462 |
|
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463 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
|
---|
464 | return m->pVirtualBox->i_saveSettings();
|
---|
465 | }
|
---|
466 |
|
---|
467 | /* injection */
|
---|
468 | it = std::find(m->s.llHostLoopbackOffsetList.begin(),
|
---|
469 | m->s.llHostLoopbackOffsetList.end(),
|
---|
470 | (uint32_t)aOffset);
|
---|
471 |
|
---|
472 | if (it != m->s.llHostLoopbackOffsetList.end())
|
---|
473 | return E_INVALIDARG; /* offset is already registered. */
|
---|
474 |
|
---|
475 | settings::NATHostLoopbackOffset off;
|
---|
476 | off.strLoopbackHostAddress = aHostId;
|
---|
477 | off.u32Offset = (uint32_t)aOffset;
|
---|
478 | m->s.llHostLoopbackOffsetList.push_back(off);
|
---|
479 |
|
---|
480 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
|
---|
481 | return m->pVirtualBox->i_saveSettings();
|
---|
482 | }
|
---|
483 |
|
---|
484 |
|
---|
485 | HRESULT NATNetwork::getLoopbackIp6(LONG *aLoopbackIp6)
|
---|
486 | {
|
---|
487 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
488 |
|
---|
489 | *aLoopbackIp6 = m->s.u32HostLoopback6Offset;
|
---|
490 | return S_OK;
|
---|
491 | }
|
---|
492 |
|
---|
493 |
|
---|
494 | HRESULT NATNetwork::setLoopbackIp6(LONG aLoopbackIp6)
|
---|
495 | {
|
---|
496 | {
|
---|
497 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
498 |
|
---|
499 | if (aLoopbackIp6 < 0)
|
---|
500 | return E_INVALIDARG;
|
---|
501 |
|
---|
502 | if (static_cast<uint32_t>(aLoopbackIp6) == m->s.u32HostLoopback6Offset)
|
---|
503 | return S_OK;
|
---|
504 |
|
---|
505 | m->s.u32HostLoopback6Offset = aLoopbackIp6;
|
---|
506 | }
|
---|
507 |
|
---|
508 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
|
---|
509 | return m->pVirtualBox->i_saveSettings();
|
---|
510 | }
|
---|
511 |
|
---|
512 |
|
---|
513 | HRESULT NATNetwork::getPortForwardRules4(std::vector<com::Utf8Str> &aPortForwardRules4)
|
---|
514 | {
|
---|
515 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
516 | i_getPortForwardRulesFromMap(aPortForwardRules4,
|
---|
517 | m->s.mapPortForwardRules4);
|
---|
518 | return S_OK;
|
---|
519 | }
|
---|
520 |
|
---|
521 | HRESULT NATNetwork::getPortForwardRules6(std::vector<com::Utf8Str> &aPortForwardRules6)
|
---|
522 | {
|
---|
523 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
524 | i_getPortForwardRulesFromMap(aPortForwardRules6,
|
---|
525 | m->s.mapPortForwardRules6);
|
---|
526 | return S_OK;
|
---|
527 | }
|
---|
528 |
|
---|
529 | HRESULT NATNetwork::addPortForwardRule(BOOL aIsIpv6,
|
---|
530 | const com::Utf8Str &aPortForwardRuleName,
|
---|
531 | NATProtocol_T aProto,
|
---|
532 | const com::Utf8Str &aHostIp,
|
---|
533 | USHORT aHostPort,
|
---|
534 | const com::Utf8Str &aGuestIp,
|
---|
535 | USHORT aGuestPort)
|
---|
536 | {
|
---|
537 | {
|
---|
538 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
539 | Utf8Str name = aPortForwardRuleName;
|
---|
540 | Utf8Str proto;
|
---|
541 | settings::NATRule r;
|
---|
542 | settings::NATRulesMap &mapRules = aIsIpv6 ? m->s.mapPortForwardRules6 : m->s.mapPortForwardRules4;
|
---|
543 | switch (aProto)
|
---|
544 | {
|
---|
545 | case NATProtocol_TCP:
|
---|
546 | proto = "tcp";
|
---|
547 | break;
|
---|
548 | case NATProtocol_UDP:
|
---|
549 | proto = "udp";
|
---|
550 | break;
|
---|
551 | default:
|
---|
552 | return E_INVALIDARG;
|
---|
553 | }
|
---|
554 | if (name.isEmpty())
|
---|
555 | name = Utf8StrFmt("%s_[%s]%%%d_[%s]%%%d", proto.c_str(),
|
---|
556 | aHostIp.c_str(), aHostPort,
|
---|
557 | aGuestIp.c_str(), aGuestPort);
|
---|
558 |
|
---|
559 | for (settings::NATRulesMap::iterator it = mapRules.begin(); it != mapRules.end(); ++it)
|
---|
560 | {
|
---|
561 | r = it->second;
|
---|
562 | if (it->first == name)
|
---|
563 | return setError(E_INVALIDARG,
|
---|
564 | tr("A NAT rule of this name already exists"));
|
---|
565 | if ( r.strHostIP == aHostIp
|
---|
566 | && r.u16HostPort == aHostPort
|
---|
567 | && r.proto == aProto)
|
---|
568 | return setError(E_INVALIDARG,
|
---|
569 | tr("A NAT rule for this host port and this host IP already exists"));
|
---|
570 | }
|
---|
571 |
|
---|
572 | r.strName = name.c_str();
|
---|
573 | r.proto = aProto;
|
---|
574 | r.strHostIP = aHostIp;
|
---|
575 | r.u16HostPort = aHostPort;
|
---|
576 | r.strGuestIP = aGuestIp;
|
---|
577 | r.u16GuestPort = aGuestPort;
|
---|
578 | mapRules.insert(std::make_pair(name, r));
|
---|
579 | }
|
---|
580 | {
|
---|
581 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
|
---|
582 | HRESULT rc = m->pVirtualBox->i_saveSettings();
|
---|
583 | ComAssertComRCRetRC(rc);
|
---|
584 | }
|
---|
585 |
|
---|
586 | m->pVirtualBox->i_onNATNetworkPortForward(Bstr(m->s.strNetworkName).raw(), TRUE, aIsIpv6,
|
---|
587 | Bstr(aPortForwardRuleName).raw(), aProto,
|
---|
588 | Bstr(aHostIp).raw(), aHostPort,
|
---|
589 | Bstr(aGuestIp).raw(), aGuestPort);
|
---|
590 |
|
---|
591 | /* Notify listerners listening on this network only */
|
---|
592 | fireNATNetworkPortForwardEvent(m->pEventSource, Bstr(m->s.strNetworkName).raw(), TRUE,
|
---|
593 | aIsIpv6, Bstr(aPortForwardRuleName).raw(), aProto,
|
---|
594 | Bstr(aHostIp).raw(), aHostPort,
|
---|
595 | Bstr(aGuestIp).raw(), aGuestPort);
|
---|
596 |
|
---|
597 | return S_OK;
|
---|
598 | }
|
---|
599 |
|
---|
600 | HRESULT NATNetwork::removePortForwardRule(BOOL aIsIpv6, const com::Utf8Str &aPortForwardRuleName)
|
---|
601 | {
|
---|
602 | Utf8Str strHostIP;
|
---|
603 | Utf8Str strGuestIP;
|
---|
604 | uint16_t u16HostPort;
|
---|
605 | uint16_t u16GuestPort;
|
---|
606 | NATProtocol_T proto;
|
---|
607 |
|
---|
608 | {
|
---|
609 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
610 | settings::NATRulesMap &mapRules = aIsIpv6 ? m->s.mapPortForwardRules6 : m->s.mapPortForwardRules4;
|
---|
611 | settings::NATRulesMap::iterator it = mapRules.find(aPortForwardRuleName);
|
---|
612 |
|
---|
613 | if (it == mapRules.end())
|
---|
614 | return E_INVALIDARG;
|
---|
615 |
|
---|
616 | strHostIP = it->second.strHostIP;
|
---|
617 | strGuestIP = it->second.strGuestIP;
|
---|
618 | u16HostPort = it->second.u16HostPort;
|
---|
619 | u16GuestPort = it->second.u16GuestPort;
|
---|
620 | proto = it->second.proto;
|
---|
621 |
|
---|
622 | mapRules.erase(it);
|
---|
623 | }
|
---|
624 |
|
---|
625 | {
|
---|
626 | AutoWriteLock vboxLock(m->pVirtualBox COMMA_LOCKVAL_SRC_POS);
|
---|
627 | HRESULT rc = m->pVirtualBox->i_saveSettings();
|
---|
628 | ComAssertComRCRetRC(rc);
|
---|
629 | }
|
---|
630 |
|
---|
631 | m->pVirtualBox->i_onNATNetworkPortForward(Bstr(m->s.strNetworkName).raw(), FALSE, aIsIpv6,
|
---|
632 | Bstr(aPortForwardRuleName).raw(), proto,
|
---|
633 | Bstr(strHostIP).raw(), u16HostPort,
|
---|
634 | Bstr(strGuestIP).raw(), u16GuestPort);
|
---|
635 |
|
---|
636 | /* Notify listerners listening on this network only */
|
---|
637 | fireNATNetworkPortForwardEvent(m->pEventSource, Bstr(m->s.strNetworkName).raw(), FALSE,
|
---|
638 | aIsIpv6, Bstr(aPortForwardRuleName).raw(), proto,
|
---|
639 | Bstr(strHostIP).raw(), u16HostPort,
|
---|
640 | Bstr(strGuestIP).raw(), u16GuestPort);
|
---|
641 | return S_OK;
|
---|
642 | }
|
---|
643 |
|
---|
644 |
|
---|
645 | HRESULT NATNetwork::start(const com::Utf8Str &aTrunkType)
|
---|
646 | {
|
---|
647 | #ifdef VBOX_WITH_NAT_SERVICE
|
---|
648 | if (!m->s.fEnabled) return S_OK;
|
---|
649 | AssertReturn(!m->s.strNetworkName.isEmpty(), E_FAIL);
|
---|
650 |
|
---|
651 | m->NATRunner.setOption(NetworkServiceRunner::kNsrKeyNetwork, Utf8Str(m->s.strNetworkName).c_str());
|
---|
652 | m->NATRunner.setOption(NetworkServiceRunner::kNsrKeyTrunkType, Utf8Str(aTrunkType).c_str());
|
---|
653 | m->NATRunner.setOption(NetworkServiceRunner::kNsrIpAddress, Utf8Str(m->IPv4Gateway).c_str());
|
---|
654 | m->NATRunner.setOption(NetworkServiceRunner::kNsrIpNetmask, Utf8Str(m->IPv4NetworkMask).c_str());
|
---|
655 |
|
---|
656 | /* No portforwarding rules from command-line, all will be fetched via API */
|
---|
657 |
|
---|
658 | if (m->s.fNeedDhcpServer)
|
---|
659 | {
|
---|
660 | /*
|
---|
661 | * Just to as idea... via API (on creation user pass the cidr of network and)
|
---|
662 | * and we calculate it's addreses (mutable?).
|
---|
663 | */
|
---|
664 |
|
---|
665 | /*
|
---|
666 | * Configuration and running DHCP server:
|
---|
667 | * 1. find server first createDHCPServer
|
---|
668 | * 2. if return status is E_INVALARG => server already exists just find and start.
|
---|
669 | * 3. if return status neither E_INVALRG nor S_OK => return E_FAIL
|
---|
670 | * 4. if return status S_OK proceed to DHCP server configuration
|
---|
671 | * 5. call setConfiguration() and pass all required parameters
|
---|
672 | * 6. start dhcp server.
|
---|
673 | */
|
---|
674 | HRESULT hrc = m->pVirtualBox->FindDHCPServerByNetworkName(Bstr(m->s.strNetworkName).raw(),
|
---|
675 | m->dhcpServer.asOutParam());
|
---|
676 | switch (hrc)
|
---|
677 | {
|
---|
678 | case E_INVALIDARG:
|
---|
679 | /* server haven't beeen found let create it then */
|
---|
680 | hrc = m->pVirtualBox->CreateDHCPServer(Bstr(m->s.strNetworkName).raw(),
|
---|
681 | m->dhcpServer.asOutParam());
|
---|
682 | if (FAILED(hrc))
|
---|
683 | return E_FAIL;
|
---|
684 | /* breakthrough */
|
---|
685 |
|
---|
686 | {
|
---|
687 | LogFunc(("gateway: %s, dhcpserver:%s, dhcplowerip:%s, dhcpupperip:%s\n",
|
---|
688 | m->IPv4Gateway.c_str(),
|
---|
689 | m->IPv4DhcpServer.c_str(),
|
---|
690 | m->IPv4DhcpServerLowerIp.c_str(),
|
---|
691 | m->IPv4DhcpServerUpperIp.c_str()));
|
---|
692 |
|
---|
693 | hrc = m->dhcpServer->COMSETTER(Enabled)(true);
|
---|
694 |
|
---|
695 | BSTR dhcpip = NULL;
|
---|
696 | BSTR netmask = NULL;
|
---|
697 | BSTR lowerip = NULL;
|
---|
698 | BSTR upperip = NULL;
|
---|
699 |
|
---|
700 | m->IPv4DhcpServer.cloneTo(&dhcpip);
|
---|
701 | m->IPv4NetworkMask.cloneTo(&netmask);
|
---|
702 | m->IPv4DhcpServerLowerIp.cloneTo(&lowerip);
|
---|
703 | m->IPv4DhcpServerUpperIp.cloneTo(&upperip);
|
---|
704 | hrc = m->dhcpServer->SetConfiguration(dhcpip,
|
---|
705 | netmask,
|
---|
706 | lowerip,
|
---|
707 | upperip);
|
---|
708 | }
|
---|
709 | case S_OK:
|
---|
710 | break;
|
---|
711 |
|
---|
712 | default:
|
---|
713 | return E_FAIL;
|
---|
714 | }
|
---|
715 |
|
---|
716 | /* XXX: AddGlobalOption(DhcpOpt_Router,) - enables attachement of DhcpServer to Main. */
|
---|
717 | m->dhcpServer->AddGlobalOption(DhcpOpt_Router, Bstr(m->IPv4Gateway).raw());
|
---|
718 |
|
---|
719 | hrc = m->dhcpServer->Start(Bstr(m->s.strNetworkName).raw(), Bstr("").raw(), Bstr(aTrunkType).raw());
|
---|
720 | if (FAILED(hrc))
|
---|
721 | {
|
---|
722 | m->dhcpServer.setNull();
|
---|
723 | return E_FAIL;
|
---|
724 | }
|
---|
725 | }
|
---|
726 |
|
---|
727 | if (RT_SUCCESS(m->NATRunner.start(false /* KillProcOnStop */)))
|
---|
728 | {
|
---|
729 | m->pVirtualBox->i_onNATNetworkStartStop(Bstr(m->s.strNetworkName).raw(), TRUE);
|
---|
730 | return S_OK;
|
---|
731 | }
|
---|
732 | /** @todo missing setError()! */
|
---|
733 | return E_FAIL;
|
---|
734 | #else
|
---|
735 | NOREF(aTrunkType);
|
---|
736 | ReturnComNotImplemented();
|
---|
737 | #endif
|
---|
738 | }
|
---|
739 |
|
---|
740 | HRESULT NATNetwork::stop()
|
---|
741 | {
|
---|
742 | #ifdef VBOX_WITH_NAT_SERVICE
|
---|
743 | m->pVirtualBox->i_onNATNetworkStartStop(Bstr(m->s.strNetworkName).raw(), FALSE);
|
---|
744 |
|
---|
745 | if (!m->dhcpServer.isNull())
|
---|
746 | m->dhcpServer->Stop();
|
---|
747 |
|
---|
748 | if (RT_SUCCESS(m->NATRunner.stop()))
|
---|
749 | return S_OK;
|
---|
750 |
|
---|
751 | /** @todo missing setError()! */
|
---|
752 | return E_FAIL;
|
---|
753 | #else
|
---|
754 | ReturnComNotImplemented();
|
---|
755 | #endif
|
---|
756 | }
|
---|
757 |
|
---|
758 |
|
---|
759 | void NATNetwork::i_getPortForwardRulesFromMap(std::vector<com::Utf8Str> &aPortForwardRules, settings::NATRulesMap &aRules)
|
---|
760 | {
|
---|
761 | aPortForwardRules.resize(aRules.size());
|
---|
762 | size_t i = 0;
|
---|
763 | for (settings::NATRulesMap::const_iterator it = aRules.begin();
|
---|
764 | it != aRules.end(); ++it, ++i)
|
---|
765 | {
|
---|
766 | settings::NATRule r = it->second;
|
---|
767 | aPortForwardRules[i] = Utf8StrFmt("%s:%s:[%s]:%d:[%s]:%d",
|
---|
768 | r.strName.c_str(),
|
---|
769 | (r.proto == NATProtocol_TCP ? "tcp" : "udp"),
|
---|
770 | r.strHostIP.c_str(),
|
---|
771 | r.u16HostPort,
|
---|
772 | r.strGuestIP.c_str(),
|
---|
773 | r.u16GuestPort);
|
---|
774 | }
|
---|
775 | }
|
---|
776 |
|
---|
777 |
|
---|
778 | int NATNetwork::i_findFirstAvailableOffset(ADDRESSLOOKUPTYPE addrType, uint32_t *poff)
|
---|
779 | {
|
---|
780 | RTNETADDRIPV4 network, netmask;
|
---|
781 |
|
---|
782 | int rc = RTCidrStrToIPv4(m->s.strIPv4NetworkCidr.c_str(),
|
---|
783 | &network,
|
---|
784 | &netmask);
|
---|
785 | AssertRCReturn(rc, rc);
|
---|
786 |
|
---|
787 | uint32_t off;
|
---|
788 | for (off = 1; off < ~netmask.u; ++off)
|
---|
789 | {
|
---|
790 | bool skip = false;
|
---|
791 | for (settings::NATLoopbackOffsetList::iterator it = m->s.llHostLoopbackOffsetList.begin();
|
---|
792 | it != m->s.llHostLoopbackOffsetList.end();
|
---|
793 | ++it)
|
---|
794 | {
|
---|
795 | if ((*it).u32Offset == off)
|
---|
796 | {
|
---|
797 | skip = true;
|
---|
798 | break;
|
---|
799 | }
|
---|
800 |
|
---|
801 | }
|
---|
802 |
|
---|
803 | if (skip)
|
---|
804 | continue;
|
---|
805 |
|
---|
806 | if (off == m->offGateway)
|
---|
807 | {
|
---|
808 | if (addrType == ADDR_GATEWAY)
|
---|
809 | break;
|
---|
810 | else
|
---|
811 | continue;
|
---|
812 | }
|
---|
813 |
|
---|
814 | if (off == m->offDhcp)
|
---|
815 | {
|
---|
816 | if (addrType == ADDR_DHCP)
|
---|
817 | break;
|
---|
818 | else
|
---|
819 | continue;
|
---|
820 | }
|
---|
821 |
|
---|
822 | if (!skip)
|
---|
823 | break;
|
---|
824 | }
|
---|
825 |
|
---|
826 | if (poff)
|
---|
827 | *poff = off;
|
---|
828 |
|
---|
829 | return VINF_SUCCESS;
|
---|
830 | }
|
---|
831 |
|
---|
832 | int NATNetwork::i_recalculateIpv4AddressAssignments()
|
---|
833 | {
|
---|
834 | RTNETADDRIPV4 network, netmask;
|
---|
835 | int rc = RTCidrStrToIPv4(m->s.strIPv4NetworkCidr.c_str(),
|
---|
836 | &network,
|
---|
837 | &netmask);
|
---|
838 | AssertRCReturn(rc, rc);
|
---|
839 |
|
---|
840 | i_findFirstAvailableOffset(ADDR_GATEWAY, &m->offGateway);
|
---|
841 | if (m->s.fNeedDhcpServer)
|
---|
842 | i_findFirstAvailableOffset(ADDR_DHCP, &m->offDhcp);
|
---|
843 |
|
---|
844 | /* I don't remember the reason CIDR calculated on the host. */
|
---|
845 | RTNETADDRIPV4 gateway = network;
|
---|
846 | gateway.u += m->offGateway;
|
---|
847 | gateway.u = RT_H2N_U32(gateway.u);
|
---|
848 | char szTmpIp[16];
|
---|
849 | RTStrPrintf(szTmpIp, sizeof(szTmpIp), "%RTnaipv4", gateway);
|
---|
850 | m->IPv4Gateway = szTmpIp;
|
---|
851 |
|
---|
852 | if (m->s.fNeedDhcpServer)
|
---|
853 | {
|
---|
854 | RTNETADDRIPV4 dhcpserver = network;
|
---|
855 | dhcpserver.u += m->offDhcp;
|
---|
856 |
|
---|
857 | /* XXX: adding more services should change the math here */
|
---|
858 | RTNETADDRIPV4 dhcplowerip = network;
|
---|
859 | uint32_t offDhcpLowerIp;
|
---|
860 | i_findFirstAvailableOffset(ADDR_DHCPLOWERIP, &offDhcpLowerIp);
|
---|
861 | dhcplowerip.u = RT_H2N_U32(dhcplowerip.u + offDhcpLowerIp);
|
---|
862 |
|
---|
863 | RTNETADDRIPV4 dhcpupperip;
|
---|
864 | dhcpupperip.u = RT_H2N_U32((network.u | ~netmask.u) - 1);
|
---|
865 |
|
---|
866 | dhcpserver.u = RT_H2N_U32(dhcpserver.u);
|
---|
867 | network.u = RT_H2N_U32(network.u);
|
---|
868 |
|
---|
869 | RTStrPrintf(szTmpIp, sizeof(szTmpIp), "%RTnaipv4", dhcpserver);
|
---|
870 | m->IPv4DhcpServer = szTmpIp;
|
---|
871 | RTStrPrintf(szTmpIp, sizeof(szTmpIp), "%RTnaipv4", dhcplowerip);
|
---|
872 | m->IPv4DhcpServerLowerIp = szTmpIp;
|
---|
873 | RTStrPrintf(szTmpIp, sizeof(szTmpIp), "%RTnaipv4", dhcpupperip);
|
---|
874 | m->IPv4DhcpServerUpperIp = szTmpIp;
|
---|
875 |
|
---|
876 | LogFunc(("network:%RTnaipv4, dhcpserver:%RTnaipv4, dhcplowerip:%RTnaipv4, dhcpupperip:%RTnaipv4\n",
|
---|
877 | network, dhcpserver, dhcplowerip, dhcpupperip));
|
---|
878 | }
|
---|
879 |
|
---|
880 | /* we need IPv4NetworkMask for NAT's gw service start */
|
---|
881 | netmask.u = RT_H2N_U32(netmask.u);
|
---|
882 | RTStrPrintf(szTmpIp, 16, "%RTnaipv4", netmask);
|
---|
883 | m->IPv4NetworkMask = szTmpIp;
|
---|
884 |
|
---|
885 | LogFlowFunc(("getaway:%RTnaipv4, netmask:%RTnaipv4\n", gateway, netmask));
|
---|
886 | return VINF_SUCCESS;
|
---|
887 | }
|
---|
888 |
|
---|
889 |
|
---|
890 | int NATNetwork::i_recalculateIPv6Prefix()
|
---|
891 | {
|
---|
892 | int rc;
|
---|
893 |
|
---|
894 | RTNETADDRIPV4 net, mask;
|
---|
895 | rc = RTCidrStrToIPv4(Utf8Str(m->s.strIPv4NetworkCidr).c_str(), &net, &mask);
|
---|
896 | if (RT_FAILURE(rc))
|
---|
897 | return rc;
|
---|
898 |
|
---|
899 | net.u = RT_H2N_U32(net.u); /* XXX: fix RTCidrStrToIPv4! */
|
---|
900 |
|
---|
901 | /*
|
---|
902 | * [fd17:625c:f037:XXXX::/64] - RFC 4193 (ULA) Locally Assigned
|
---|
903 | * Global ID where XXXX, 16 bit Subnet ID, are two bytes from the
|
---|
904 | * middle of the IPv4 address, e.g. :dead: for 10.222.173.1
|
---|
905 | */
|
---|
906 | RTNETADDRIPV6 prefix;
|
---|
907 | RT_ZERO(prefix);
|
---|
908 |
|
---|
909 | prefix.au8[0] = 0xFD;
|
---|
910 | prefix.au8[1] = 0x17;
|
---|
911 |
|
---|
912 | prefix.au8[2] = 0x62;
|
---|
913 | prefix.au8[3] = 0x5C;
|
---|
914 |
|
---|
915 | prefix.au8[4] = 0xF0;
|
---|
916 | prefix.au8[5] = 0x37;
|
---|
917 |
|
---|
918 | prefix.au8[6] = net.au8[1];
|
---|
919 | prefix.au8[7] = net.au8[2];
|
---|
920 |
|
---|
921 | char szBuf[32];
|
---|
922 | RTStrPrintf(szBuf, sizeof(szBuf), "%RTnaipv6/64", &prefix);
|
---|
923 |
|
---|
924 | m->s.strIPv6Prefix = szBuf;
|
---|
925 | return VINF_SUCCESS;
|
---|
926 | }
|
---|