1 | /* $Id: NATEngineImpl.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
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2 | /** @file
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3 | * Implementation of INATEngine in VBoxSVC.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2010-2024 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 | #define LOG_GROUP LOG_GROUP_MAIN_NATENGINE
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29 | #include "NATEngineImpl.h"
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30 | #include "AutoCaller.h"
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31 | #include "LoggingNew.h"
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32 | #include "MachineImpl.h"
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33 |
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34 | #include <iprt/string.h>
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35 | #include <iprt/cpp/utils.h>
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36 |
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37 | #include <iprt/errcore.h>
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38 | #include <VBox/settings.h>
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39 | #include <VBox/com/array.h>
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40 |
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41 | struct NATEngine::Data
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42 | {
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43 | Backupable<settings::NAT> m;
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44 | };
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45 |
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46 |
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47 | // constructor / destructor
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48 | ////////////////////////////////////////////////////////////////////////////////
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49 |
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50 | NATEngine::NATEngine():mData(NULL), mParent(NULL), mAdapter(NULL) {}
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51 | NATEngine::~NATEngine(){}
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52 |
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53 | HRESULT NATEngine::FinalConstruct()
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54 | {
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55 | return BaseFinalConstruct();
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56 | }
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57 |
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58 | void NATEngine::FinalRelease()
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59 | {
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60 | uninit();
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61 | BaseFinalRelease();
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62 | }
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63 |
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64 |
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65 | HRESULT NATEngine::init(Machine *aParent, INetworkAdapter *aAdapter)
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66 | {
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67 | AutoInitSpan autoInitSpan(this);
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68 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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69 | autoInitSpan.setSucceeded();
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70 | mData = new Data();
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71 | mData->m.allocate();
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72 | mData->m->strNetwork.setNull();
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73 | mData->m->strBindIP.setNull();
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74 | unconst(mParent) = aParent;
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75 | unconst(mAdapter) = aAdapter;
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76 | return S_OK;
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77 | }
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78 |
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79 | HRESULT NATEngine::init(Machine *aParent, INetworkAdapter *aAdapter, NATEngine *aThat)
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80 | {
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81 | AutoInitSpan autoInitSpan(this);
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82 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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83 | Log(("init that:%p this:%p\n", aThat, this));
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84 |
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85 | AutoCaller thatCaller(aThat);
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86 | AssertComRCReturnRC(thatCaller.hrc());
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87 |
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88 | AutoReadLock thatLock(aThat COMMA_LOCKVAL_SRC_POS);
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89 |
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90 | mData = new Data();
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91 | mData->m.share(aThat->mData->m);
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92 | unconst(mParent) = aParent;
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93 | unconst(mAdapter) = aAdapter;
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94 | unconst(mPeer) = aThat;
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95 | autoInitSpan.setSucceeded();
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96 | return S_OK;
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97 | }
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98 |
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99 | HRESULT NATEngine::initCopy(Machine *aParent, INetworkAdapter *aAdapter, NATEngine *aThat)
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100 | {
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101 | AutoInitSpan autoInitSpan(this);
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102 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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103 |
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104 | Log(("initCopy that:%p this:%p\n", aThat, this));
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105 |
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106 | AutoCaller thatCaller(aThat);
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107 | AssertComRCReturnRC(thatCaller.hrc());
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108 |
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109 | AutoReadLock thatLock(aThat COMMA_LOCKVAL_SRC_POS);
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110 |
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111 | mData = new Data();
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112 | mData->m.attachCopy(aThat->mData->m);
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113 | unconst(mAdapter) = aAdapter;
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114 | unconst(mParent) = aParent;
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115 | autoInitSpan.setSucceeded();
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116 |
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117 | return S_OK;
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118 | }
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119 |
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120 |
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121 | void NATEngine::uninit()
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122 | {
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123 | AutoUninitSpan autoUninitSpan(this);
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124 | if (autoUninitSpan.uninitDone())
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125 | return;
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126 |
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127 | mData->m.free();
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128 | delete mData;
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129 | mData = NULL;
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130 | unconst(mPeer) = NULL;
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131 | unconst(mParent) = NULL;
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132 | }
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133 |
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134 | bool NATEngine::i_isModified()
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135 | {
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136 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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137 | bool fModified = mData->m.isBackedUp();
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138 | return fModified;
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139 | }
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140 |
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141 | void NATEngine::i_rollback()
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142 | {
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143 | AutoCaller autoCaller(this);
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144 | AssertComRCReturnVoid(autoCaller.hrc());
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145 |
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146 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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147 |
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148 | mData->m.rollback();
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149 | }
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150 |
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151 | void NATEngine::i_commit()
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152 | {
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153 | AutoCaller autoCaller(this);
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154 | AssertComRCReturnVoid(autoCaller.hrc());
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155 |
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156 | /* sanity too */
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157 | AutoCaller peerCaller(mPeer);
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158 | AssertComRCReturnVoid(peerCaller.hrc());
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159 |
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160 | /* lock both for writing since we modify both (mPeer is "master" so locked
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161 | * first) */
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162 | AutoMultiWriteLock2 alock(mPeer, this COMMA_LOCKVAL_SRC_POS);
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163 | if (mData->m.isBackedUp())
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164 | {
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165 | mData->m.commit();
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166 | if (mPeer)
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167 | mPeer->mData->m.attach(mData->m);
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168 | }
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169 | }
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170 |
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171 | void NATEngine::i_copyFrom(NATEngine *aThat)
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172 | {
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173 | AssertReturnVoid(aThat != NULL);
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174 |
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175 | /* sanity */
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176 | AutoCaller autoCaller(this);
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177 | AssertComRCReturnVoid(autoCaller.hrc());
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178 |
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179 | /* sanity too */
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180 | AutoCaller thatCaller(aThat);
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181 | AssertComRCReturnVoid(thatCaller.hrc());
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182 |
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183 | /* peer is not modified, lock it for reading (aThat is "master" so locked
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184 | * first) */
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185 | AutoReadLock rl(aThat COMMA_LOCKVAL_SRC_POS);
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186 | AutoWriteLock wl(this COMMA_LOCKVAL_SRC_POS);
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187 |
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188 | /* this will back up current data */
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189 | mData->m.assignCopy(aThat->mData->m);
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190 | }
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191 |
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192 | void NATEngine::i_applyDefaults()
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193 | {
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194 | /* sanity */
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195 | AutoCaller autoCaller(this);
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196 | AssertComRCReturnVoid(autoCaller.hrc());
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197 |
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198 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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199 |
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200 | mData->m->fLocalhostReachable = false; /* Applies to new VMs only, see @bugref{9896} */
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201 | }
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202 |
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203 | bool NATEngine::i_hasDefaults()
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204 | {
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205 | /* sanity */
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206 | AutoCaller autoCaller(this);
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207 | AssertComRCReturn(autoCaller.hrc(), true);
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208 |
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209 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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210 |
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211 | return mData->m->areDefaultSettings(mParent->i_getSettingsVersion());
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212 | }
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213 |
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214 | HRESULT NATEngine::getNetworkSettings(ULONG *aMtu, ULONG *aSockSnd, ULONG *aSockRcv, ULONG *aTcpWndSnd, ULONG *aTcpWndRcv)
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215 | {
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216 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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217 | if (aMtu)
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218 | *aMtu = mData->m->u32Mtu;
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219 | if (aSockSnd)
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220 | *aSockSnd = mData->m->u32SockSnd;
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221 | if (aSockRcv)
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222 | *aSockRcv = mData->m->u32SockRcv;
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223 | if (aTcpWndSnd)
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224 | *aTcpWndSnd = mData->m->u32TcpSnd;
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225 | if (aTcpWndRcv)
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226 | *aTcpWndRcv = mData->m->u32TcpRcv;
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227 |
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228 | return S_OK;
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229 | }
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230 |
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231 | HRESULT NATEngine::setNetworkSettings(ULONG aMtu, ULONG aSockSnd, ULONG aSockRcv, ULONG aTcpWndSnd, ULONG aTcpWndRcv)
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232 | {
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233 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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234 | if ( aMtu || aSockSnd || aSockRcv
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235 | || aTcpWndSnd || aTcpWndRcv)
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236 | {
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237 | mData->m.backup();
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238 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
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239 | }
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240 | if (aMtu)
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241 | mData->m->u32Mtu = aMtu;
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242 | if (aSockSnd)
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243 | mData->m->u32SockSnd = aSockSnd;
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244 | if (aSockRcv)
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245 | mData->m->u32SockRcv = aSockSnd;
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246 | if (aTcpWndSnd)
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247 | mData->m->u32TcpSnd = aTcpWndSnd;
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248 | if (aTcpWndRcv)
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249 | mData->m->u32TcpRcv = aTcpWndRcv;
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250 |
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251 | return S_OK;
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252 | }
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253 |
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254 |
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255 | HRESULT NATEngine::getRedirects(std::vector<com::Utf8Str> &aRedirects)
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256 | {
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257 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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258 |
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259 | aRedirects.resize(mData->m->mapRules.size());
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260 | size_t i = 0;
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261 | settings::NATRulesMap::const_iterator it;
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262 | for (it = mData->m->mapRules.begin(); it != mData->m->mapRules.end(); ++it, ++i)
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263 | {
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264 | settings::NATRule r = it->second;
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265 | aRedirects[i] = Utf8StrFmt("%s,%d,%s,%d,%s,%d",
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266 | r.strName.c_str(),
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267 | r.proto,
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268 | r.strHostIP.c_str(),
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269 | r.u16HostPort,
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270 | r.strGuestIP.c_str(),
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271 | r.u16GuestPort);
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272 | }
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273 | return S_OK;
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274 | }
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275 |
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276 | HRESULT NATEngine::addRedirect(const com::Utf8Str &aName, NATProtocol_T aProto, const com::Utf8Str &aHostIP,
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277 | USHORT aHostPort, const com::Utf8Str &aGuestIP, USHORT aGuestPort)
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278 | {
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279 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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280 | Utf8Str name = aName;
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281 | settings::NATRule r;
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282 | const char *proto;
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283 | switch (aProto)
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284 | {
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285 | case NATProtocol_TCP:
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286 | proto = "tcp";
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287 | break;
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288 | case NATProtocol_UDP:
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289 | proto = "udp";
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290 | break;
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291 | default:
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292 | return E_INVALIDARG;
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293 | }
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294 |
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295 | if (name.isEmpty())
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296 | name = Utf8StrFmt("%s_%d_%d", proto, aHostPort, aGuestPort);
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297 | else
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298 | {
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299 | const char *s;
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300 | char c;
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301 |
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302 | for (s = name.c_str(); (c = *s) != '\0'; ++s)
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303 | {
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304 | if (c == ',') /* we use csv in several places e.g. GetRedirects or natpf<N> argument */
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305 | return setError(E_INVALIDARG,
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306 | tr("'%c' - invalid character in NAT rule name"), c);
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307 | }
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308 | }
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309 |
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310 | settings::NATRulesMap::iterator it;
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311 | for (it = mData->m->mapRules.begin(); it != mData->m->mapRules.end(); ++it)
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312 | {
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313 | r = it->second;
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314 | if (it->first == name)
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315 | return setError(E_INVALIDARG,
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316 | tr("A NAT rule of this name already exists"));
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317 | if ( r.strHostIP == aHostIP
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318 | && r.u16HostPort == aHostPort
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319 | && r.proto == aProto)
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320 | return setError(E_INVALIDARG,
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321 | tr("A NAT rule for this host port and this host IP already exists"));
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322 | }
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323 |
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324 | mData->m.backup();
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325 | r.strName = name.c_str();
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326 | r.proto = aProto;
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327 | r.strHostIP = aHostIP;
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328 | r.u16HostPort = aHostPort;
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329 | r.strGuestIP = aGuestIP;
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330 | r.u16GuestPort = aGuestPort;
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331 | mData->m->mapRules.insert(std::make_pair(name, r));
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332 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
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333 |
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334 | ULONG ulSlot;
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335 | mAdapter->COMGETTER(Slot)(&ulSlot);
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336 |
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337 | alock.release();
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338 | mParent->i_onNATRedirectRuleChanged(ulSlot, FALSE, name, aProto, r.strHostIP, r.u16HostPort, r.strGuestIP, r.u16GuestPort);
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339 | return S_OK;
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340 | }
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341 |
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342 | HRESULT NATEngine::removeRedirect(const com::Utf8Str &aName)
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343 | {
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344 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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345 | settings::NATRulesMap::iterator it = mData->m->mapRules.find(aName);
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346 | if (it == mData->m->mapRules.end())
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347 | return E_INVALIDARG;
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348 | mData->m.backup();
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349 | /*
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350 | * NB: "it" may now point to the backup! In that case it's ok to
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351 | * get data from the backup copy of s.mapRules via it, but we can't
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352 | * erase(it) from potentially new s.mapRules.
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353 | */
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354 | settings::NATRule r = it->second;
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355 | ULONG ulSlot;
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356 | mAdapter->COMGETTER(Slot)(&ulSlot);
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357 |
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358 | mData->m->mapRules.erase(aName); /* NB: erase by key, "it" may not be valid */
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359 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
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360 | alock.release();
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361 | mParent->i_onNATRedirectRuleChanged(ulSlot, TRUE, aName, r.proto, r.strHostIP, r.u16HostPort, r.strGuestIP, r.u16GuestPort);
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362 | return S_OK;
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363 | }
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364 |
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365 | HRESULT NATEngine::i_loadSettings(const settings::NAT &data)
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366 | {
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367 | AutoCaller autoCaller(this);
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368 | AssertComRCReturnRC(autoCaller.hrc());
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369 |
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370 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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371 | mData->m.assignCopy(&data);
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372 | return S_OK;
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373 | }
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374 |
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375 |
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376 | HRESULT NATEngine::i_saveSettings(settings::NAT &data)
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377 | {
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378 | AutoCaller autoCaller(this);
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379 | AssertComRCReturnRC(autoCaller.hrc());
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380 |
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381 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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382 | HRESULT hrc = S_OK;
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383 | data = *mData->m.data();
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384 | return hrc;
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385 | }
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386 |
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387 | HRESULT NATEngine::setNetwork(const com::Utf8Str &aNetwork)
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388 | {
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389 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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390 | if (mData->m->strNetwork != aNetwork)
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391 | {
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392 | mData->m.backup();
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393 | mData->m->strNetwork = aNetwork;
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394 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
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395 | }
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396 | return S_OK;
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397 | }
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398 |
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399 |
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400 | HRESULT NATEngine::getNetwork(com::Utf8Str &aNetwork)
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401 | {
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402 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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403 | if (!mData->m->strNetwork.isEmpty())
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404 | {
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405 | aNetwork = mData->m->strNetwork;
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406 | Log(("Getter (this:%p) Network: %s\n", this, mData->m->strNetwork.c_str()));
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407 | }
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408 | return S_OK;
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409 | }
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410 |
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411 | HRESULT NATEngine::setHostIP(const com::Utf8Str &aHostIP)
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412 | {
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413 | if (aHostIP.isNotEmpty())
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414 | {
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415 | RTNETADDRIPV4 addr;
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416 |
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417 | /* parses as an IPv4 address */
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418 | int vrc = RTNetStrToIPv4Addr(aHostIP.c_str(), &addr);
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419 | if (RT_FAILURE(vrc))
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420 | return setError(E_INVALIDARG, "Invalid IPv4 address \"%s\"", aHostIP.c_str());
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421 |
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422 | /* is a unicast address */
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423 | if ((addr.u & RT_N2H_U32_C(0xe0000000)) == RT_N2H_U32_C(0xe0000000))
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424 | return setError(E_INVALIDARG, "Cannot bind to a multicast address %s", aHostIP.c_str());
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425 | }
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426 |
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427 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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428 | if (mData->m->strBindIP != aHostIP)
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429 | {
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430 | mData->m.backup();
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431 | mData->m->strBindIP = aHostIP;
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432 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
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433 | }
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434 | return S_OK;
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435 | }
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436 |
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437 | HRESULT NATEngine::getHostIP(com::Utf8Str &aBindIP)
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438 | {
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439 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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440 |
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441 | if (!mData->m->strBindIP.isEmpty())
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---|
442 | aBindIP = mData->m->strBindIP;
|
---|
443 | return S_OK;
|
---|
444 | }
|
---|
445 |
|
---|
446 | HRESULT NATEngine::setLocalhostReachable(BOOL fLocalhostReachable)
|
---|
447 | {
|
---|
448 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
449 |
|
---|
450 | if (mData->m->fLocalhostReachable != RT_BOOL(fLocalhostReachable))
|
---|
451 | {
|
---|
452 | mData->m.backup();
|
---|
453 | mData->m->fLocalhostReachable = RT_BOOL(fLocalhostReachable);
|
---|
454 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
|
---|
455 | }
|
---|
456 | return S_OK;
|
---|
457 | }
|
---|
458 |
|
---|
459 | HRESULT NATEngine::getLocalhostReachable(BOOL *pfLocalhostReachable)
|
---|
460 | {
|
---|
461 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
462 | *pfLocalhostReachable = mData->m->fLocalhostReachable;
|
---|
463 | return S_OK;
|
---|
464 | }
|
---|
465 |
|
---|
466 | HRESULT NATEngine::setTFTPPrefix(const com::Utf8Str &aTFTPPrefix)
|
---|
467 | {
|
---|
468 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
469 | if (mData->m->strTFTPPrefix != aTFTPPrefix)
|
---|
470 | {
|
---|
471 | mData->m.backup();
|
---|
472 | mData->m->strTFTPPrefix = aTFTPPrefix;
|
---|
473 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
|
---|
474 | }
|
---|
475 | return S_OK;
|
---|
476 | }
|
---|
477 |
|
---|
478 |
|
---|
479 | HRESULT NATEngine::getTFTPPrefix(com::Utf8Str &aTFTPPrefix)
|
---|
480 | {
|
---|
481 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
482 |
|
---|
483 | if (!mData->m->strTFTPPrefix.isEmpty())
|
---|
484 | {
|
---|
485 | aTFTPPrefix = mData->m->strTFTPPrefix;
|
---|
486 | Log(("Getter (this:%p) TFTPPrefix: %s\n", this, mData->m->strTFTPPrefix.c_str()));
|
---|
487 | }
|
---|
488 | return S_OK;
|
---|
489 | }
|
---|
490 |
|
---|
491 | HRESULT NATEngine::setTFTPBootFile(const com::Utf8Str &aTFTPBootFile)
|
---|
492 | {
|
---|
493 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
494 | if (mData->m->strTFTPBootFile != aTFTPBootFile)
|
---|
495 | {
|
---|
496 | mData->m.backup();
|
---|
497 | mData->m->strTFTPBootFile = aTFTPBootFile;
|
---|
498 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
|
---|
499 | }
|
---|
500 | return S_OK;
|
---|
501 | }
|
---|
502 |
|
---|
503 |
|
---|
504 | HRESULT NATEngine::getTFTPBootFile(com::Utf8Str &aTFTPBootFile)
|
---|
505 | {
|
---|
506 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
507 | if (!mData->m->strTFTPBootFile.isEmpty())
|
---|
508 | {
|
---|
509 | aTFTPBootFile = mData->m->strTFTPBootFile;
|
---|
510 | Log(("Getter (this:%p) BootFile: %s\n", this, mData->m->strTFTPBootFile.c_str()));
|
---|
511 | }
|
---|
512 | return S_OK;
|
---|
513 | }
|
---|
514 |
|
---|
515 |
|
---|
516 | HRESULT NATEngine::setTFTPNextServer(const com::Utf8Str &aTFTPNextServer)
|
---|
517 | {
|
---|
518 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
519 | if (mData->m->strTFTPNextServer != aTFTPNextServer)
|
---|
520 | {
|
---|
521 | mData->m.backup();
|
---|
522 | mData->m->strTFTPNextServer = aTFTPNextServer;
|
---|
523 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
|
---|
524 | }
|
---|
525 | return S_OK;
|
---|
526 | }
|
---|
527 |
|
---|
528 | HRESULT NATEngine::getTFTPNextServer(com::Utf8Str &aTFTPNextServer)
|
---|
529 | {
|
---|
530 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
531 | if (!mData->m->strTFTPNextServer.isEmpty())
|
---|
532 | {
|
---|
533 | aTFTPNextServer = mData->m->strTFTPNextServer;
|
---|
534 | Log(("Getter (this:%p) NextServer: %s\n", this, mData->m->strTFTPNextServer.c_str()));
|
---|
535 | }
|
---|
536 | return S_OK;
|
---|
537 | }
|
---|
538 |
|
---|
539 | /* DNS */
|
---|
540 | HRESULT NATEngine::setDNSPassDomain(BOOL aDNSPassDomain)
|
---|
541 | {
|
---|
542 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
543 |
|
---|
544 | if (mData->m->fDNSPassDomain != RT_BOOL(aDNSPassDomain))
|
---|
545 | {
|
---|
546 | mData->m.backup();
|
---|
547 | mData->m->fDNSPassDomain = RT_BOOL(aDNSPassDomain);
|
---|
548 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
|
---|
549 | }
|
---|
550 | return S_OK;
|
---|
551 | }
|
---|
552 |
|
---|
553 | HRESULT NATEngine::getDNSPassDomain(BOOL *aDNSPassDomain)
|
---|
554 | {
|
---|
555 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
556 | *aDNSPassDomain = mData->m->fDNSPassDomain;
|
---|
557 | return S_OK;
|
---|
558 | }
|
---|
559 |
|
---|
560 |
|
---|
561 | HRESULT NATEngine::setDNSProxy(BOOL aDNSProxy)
|
---|
562 | {
|
---|
563 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
564 |
|
---|
565 | if (mData->m->fDNSProxy != RT_BOOL(aDNSProxy))
|
---|
566 | {
|
---|
567 | mData->m.backup();
|
---|
568 | mData->m->fDNSProxy = RT_BOOL(aDNSProxy);
|
---|
569 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
|
---|
570 | }
|
---|
571 | return S_OK;
|
---|
572 | }
|
---|
573 |
|
---|
574 | HRESULT NATEngine::getDNSProxy(BOOL *aDNSProxy)
|
---|
575 | {
|
---|
576 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
577 | *aDNSProxy = mData->m->fDNSProxy;
|
---|
578 | return S_OK;
|
---|
579 | }
|
---|
580 |
|
---|
581 |
|
---|
582 | HRESULT NATEngine::getDNSUseHostResolver(BOOL *aDNSUseHostResolver)
|
---|
583 | {
|
---|
584 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
585 | *aDNSUseHostResolver = mData->m->fDNSUseHostResolver;
|
---|
586 | return S_OK;
|
---|
587 | }
|
---|
588 |
|
---|
589 |
|
---|
590 | HRESULT NATEngine::setDNSUseHostResolver(BOOL aDNSUseHostResolver)
|
---|
591 | {
|
---|
592 | if (mData->m->fDNSUseHostResolver != RT_BOOL(aDNSUseHostResolver))
|
---|
593 | {
|
---|
594 | mData->m.backup();
|
---|
595 | mData->m->fDNSUseHostResolver = RT_BOOL(aDNSUseHostResolver);
|
---|
596 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
|
---|
597 | }
|
---|
598 | return S_OK;
|
---|
599 | }
|
---|
600 |
|
---|
601 | HRESULT NATEngine::setAliasMode(ULONG aAliasMode)
|
---|
602 | {
|
---|
603 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
604 | ULONG uAliasMode = (mData->m->fAliasUseSamePorts ? NATAliasMode_AliasUseSamePorts : 0);
|
---|
605 | uAliasMode |= (mData->m->fAliasLog ? NATAliasMode_AliasLog : 0);
|
---|
606 | uAliasMode |= (mData->m->fAliasProxyOnly ? NATAliasMode_AliasProxyOnly : 0);
|
---|
607 | if (uAliasMode != aAliasMode)
|
---|
608 | {
|
---|
609 | mData->m.backup();
|
---|
610 | mData->m->fAliasUseSamePorts = RT_BOOL(aAliasMode & NATAliasMode_AliasUseSamePorts);
|
---|
611 | mData->m->fAliasLog = RT_BOOL(aAliasMode & NATAliasMode_AliasLog);
|
---|
612 | mData->m->fAliasProxyOnly = RT_BOOL(aAliasMode & NATAliasMode_AliasProxyOnly);
|
---|
613 | mParent->i_setModified(Machine::IsModified_NetworkAdapters);
|
---|
614 | }
|
---|
615 | return S_OK;
|
---|
616 | }
|
---|
617 |
|
---|
618 | HRESULT NATEngine::getAliasMode(ULONG *aAliasMode)
|
---|
619 | {
|
---|
620 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
621 | ULONG uAliasMode = (mData->m->fAliasUseSamePorts ? NATAliasMode_AliasUseSamePorts : 0);
|
---|
622 | uAliasMode |= (mData->m->fAliasLog ? NATAliasMode_AliasLog : 0);
|
---|
623 | uAliasMode |= (mData->m->fAliasProxyOnly ? NATAliasMode_AliasProxyOnly : 0);
|
---|
624 | *aAliasMode = uAliasMode;
|
---|
625 | return S_OK;
|
---|
626 | }
|
---|
627 |
|
---|