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1 /* |
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2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: VPN connection specific structures |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <cmmanagerext.h> |
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20 #include <cmpluginvpndef.h> |
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21 |
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22 #include "disconnectionobserver.h" |
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23 #include "ikeconnectioninterface.h" |
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24 #include "ikedebug.h" |
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25 #include "ikeplugindefs.h" |
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26 #include "ikepluginsessionhandler.h" |
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27 #include "ikepolparser.h" |
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28 #include "ikesocketdefs.h" |
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29 #include "kmdapi.h" // For error codes |
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30 #include "kmdserver.h" |
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31 |
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32 // CLASS HEADER |
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33 #include "vpnconnection.h" |
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34 |
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35 // ======== MEMBER FUNCTIONS ======== |
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36 |
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37 // --------------------------------------------------------------------------- |
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38 // Two-phased constructor. |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 CVpnConnection* CVpnConnection::NewLC( TUint32 aVpnIapId, |
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42 CKmdServer& aServer, |
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43 MIkeDebug& aDebug ) |
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44 { |
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45 CVpnConnection* self = new ( ELeave ) CVpnConnection( aVpnIapId, |
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46 aServer, |
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47 aDebug ); |
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48 CleanupStack::PushL( self ); |
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49 self->ConstructL(); |
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50 return self; |
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51 } |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // Destructor. |
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55 // --------------------------------------------------------------------------- |
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56 // |
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57 CVpnConnection::~CVpnConnection() |
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58 { |
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59 DEBUG_LOG1( _L("CVpnConnection::~CVpnConnection, VPN IAP id=%d"), |
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60 iVpnIapId ); |
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61 |
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62 delete iDisconnectionObserver; |
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63 delete iIkeConnection; |
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64 |
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65 iEventMediator.Close(); |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // Constructor. |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 CVpnConnection::CVpnConnection( TUint32 aVpnIapId, |
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73 CKmdServer& aServer, |
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74 MIkeDebug& aDebug ) |
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75 : iServer( aServer ), |
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76 iVpnIapId( aVpnIapId ), |
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77 iDisconnectEventReceived( EFalse ), |
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78 iIkePluginSessionHandler( NULL ), |
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79 iDebug( aDebug ) |
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80 { |
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81 DEBUG_LOG1( _L("CVpnConnection::CVpnConnection, VPN IAP id=%d"), |
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82 iVpnIapId ); |
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83 } |
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84 |
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85 // --------------------------------------------------------------------------- |
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86 // Second phase construction. |
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87 // --------------------------------------------------------------------------- |
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88 // |
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89 void CVpnConnection::ConstructL() |
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90 { |
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91 User::LeaveIfError( iEventMediator.Connect() ); |
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92 |
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93 using namespace CMManager; |
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94 |
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95 RCmManagerExt cmManagerExt; |
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96 cmManagerExt.OpenL(); |
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97 CleanupClosePushL( cmManagerExt ); |
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98 |
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99 RCmConnectionMethodExt vpnConnectionMethod = cmManagerExt.ConnectionMethodL( iVpnIapId ); |
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100 CleanupClosePushL( vpnConnectionMethod ); |
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101 |
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102 iVpnNetId = vpnConnectionMethod.GetIntAttributeL( ECmNetworkId ); |
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103 iRealIapId = vpnConnectionMethod.GetIntAttributeL( EVpnIapId ); |
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104 iRealSnapId = vpnConnectionMethod.GetIntAttributeL( ECmNextLayerSNAPId ); |
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105 |
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106 CleanupStack::PopAndDestroy( &vpnConnectionMethod ); |
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107 CleanupStack::PopAndDestroy( &cmManagerExt ); |
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108 |
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109 __ASSERT_DEBUG( iRealIapId != 0 || iRealSnapId != 0, User::Invariant() ); |
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110 |
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111 iIkeConnection = CIkeConnectionInterface::NewL( iDebug ); |
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112 iDisconnectionObserver = CDisconnectionObserver::NewL( *iIkeConnection, *this ); |
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113 iDisconnectionObserver->StartObserving(); |
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114 } |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // Starts real network connection. |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 void CVpnConnection::StartRealConnection( TRequestStatus& aStatus ) |
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121 { |
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122 __ASSERT_DEBUG( iRealIapId != 0 || iRealSnapId != 0, User::Invariant() ); |
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123 iIkeConnection->StartConnection( iRealIapId, iRealSnapId, aStatus ); |
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124 } |
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125 |
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126 // --------------------------------------------------------------------------- |
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127 // Cancels real connection starting. |
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128 // --------------------------------------------------------------------------- |
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129 // |
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130 void CVpnConnection::CancelStartRealConnection() |
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131 { |
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132 iIkeConnection->CancelStartConnection(); |
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133 } |
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134 |
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135 // --------------------------------------------------------------------------- |
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136 // Resolves an IP address from FQDN address. |
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137 // --------------------------------------------------------------------------- |
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138 // |
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139 void CVpnConnection::ResolveAddress( const TDesC& aFqdn, |
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140 TNameEntry& aNameEntry, |
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141 TRequestStatus& aStatus ) |
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142 { |
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143 iIkeConnection->ResolveFQDNAddress( aFqdn, aNameEntry, aStatus ); |
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144 } |
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145 |
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146 // --------------------------------------------------------------------------- |
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147 // Cancels resolving. |
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148 // --------------------------------------------------------------------------- |
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149 // |
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150 void CVpnConnection::CancelResolveAddress() |
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151 { |
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152 iIkeConnection->CancelResolveFQDNAddress(); |
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153 } |
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154 |
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155 // --------------------------------------------------------------------------- |
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156 // Starts negotiation with a remote host. |
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157 // --------------------------------------------------------------------------- |
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158 // |
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159 void CVpnConnection::NegotiateWithHost( CIkeData& aIkeData, |
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160 TUint32 aVpnInterfaceIndex, |
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161 IkeSocket::TIpVersion aIpVersion, |
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162 TVPNAddress& aInternalAddress, |
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163 TRequestStatus& aStatus ) |
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164 { |
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165 __ASSERT_DEBUG( iClientStatusNegotiate == NULL, |
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166 User::Invariant() ); |
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167 |
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168 // Store client's request status and internal address. |
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169 iClientStatusNegotiate = &aStatus; |
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170 *iClientStatusNegotiate = KRequestPending; |
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171 iClientInternalAddress = &aInternalAddress; |
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172 |
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173 TInt err( KErrNone ); |
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174 if ( aIkeData.iIkeVersion == KIkeV1 || aIkeData.iIkeVersion == KIkeV2 ) |
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175 { |
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176 // Create IKE plugin session. |
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177 iIkeVersion = aIkeData.iIkeVersion; |
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178 |
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179 if ( iIkePluginSessionHandler == NULL ) |
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180 { |
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181 TRAP( err, iIkePluginSessionHandler = &iServer.CreateIkePluginSessionL( iIkeVersion, |
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182 aIpVersion, |
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183 *iIkeConnection, |
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184 iVpnIapId, |
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185 iVpnNetId, |
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186 aVpnInterfaceIndex, |
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187 aIkeData.iDnsServer.Address(), |
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188 *this ) ); |
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189 } |
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190 } |
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191 else |
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192 { |
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193 err = KKmdIkePolicyFileErr; |
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194 } |
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195 |
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196 if ( err != KErrNone ) |
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197 { |
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198 User::RequestComplete( iClientStatusNegotiate, err ); |
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199 iClientStatusNegotiate = NULL; |
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200 return; |
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201 } |
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202 |
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203 if ( aIkeData.iAddr.Family() == KAfInet ) |
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204 { |
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205 aIkeData.iAddr.ConvertToV4Mapped(); |
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206 aIkeData.iMask.ConvertToV4Mapped(); |
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207 } |
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208 aIkeData.iAddr.SetScope( RealNetId() ); |
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209 |
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210 // Start negotiation. |
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211 iIkePluginSessionHandler->NegotiateWithHost( aIkeData ); |
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212 } |
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213 |
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214 // --------------------------------------------------------------------------- |
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215 // Cancels negotiation. |
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216 // --------------------------------------------------------------------------- |
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217 // |
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218 void CVpnConnection::CancelNegotiateWithHost() |
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219 { |
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220 DoCancelNegotiateWithHost(); |
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221 } |
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222 |
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223 |
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224 // --------------------------------------------------------------------------- |
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225 // Stops VPN connection. |
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226 // --------------------------------------------------------------------------- |
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227 // |
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228 void CVpnConnection::StopVpnConnection( TBool aSilentClose, |
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229 TRequestStatus& aStatus ) |
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230 { |
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231 __ASSERT_DEBUG( iClientStatusStopVpnConnection == NULL, |
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232 User::Invariant() ); |
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233 |
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234 // Store client's request status. |
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235 iClientStatusStopVpnConnection = &aStatus; |
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236 *iClientStatusStopVpnConnection = KRequestPending; |
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237 |
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238 DoStopVpnConnection( aSilentClose ); |
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239 } |
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240 |
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241 // --------------------------------------------------------------------------- |
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242 // Cancels VPN connection stoppping. VPN Connection is stopped silently. |
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243 // --------------------------------------------------------------------------- |
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244 // |
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245 void CVpnConnection::CancelStopVpnConnection() |
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246 { |
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247 DoCancelStopVpnConnection(); |
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248 } |
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249 |
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250 // --------------------------------------------------------------------------- |
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251 // Gets local address of real network interface. |
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252 // --------------------------------------------------------------------------- |
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253 // |
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254 TInt CVpnConnection::GetLocalAddress( const IkeSocket::TIpVersion aIpVersion, |
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255 TInetAddr& aLocalIp ) |
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256 { |
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257 return iIkeConnection->GetLocalAddress( aIpVersion, aLocalIp ); |
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258 } |
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259 |
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260 // --------------------------------------------------------------------------- |
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261 // Returns VPN IAP Id. |
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262 // --------------------------------------------------------------------------- |
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263 // |
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264 TInt CVpnConnection::VpnIapId() const |
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265 { |
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266 return iVpnIapId; |
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267 } |
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268 |
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269 // --------------------------------------------------------------------------- |
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270 // Returns real IAP Id. |
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271 // --------------------------------------------------------------------------- |
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272 // |
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273 TInt CVpnConnection::RealIapId() const |
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274 { |
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275 return iIkeConnection->IapId(); |
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276 } |
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277 |
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278 // --------------------------------------------------------------------------- |
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279 // Returns real NET Id. |
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280 // --------------------------------------------------------------------------- |
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281 // |
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282 TInt CVpnConnection::RealNetId() const |
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283 { |
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284 return iIkeConnection->NetId(); |
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285 } |
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286 |
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287 // --------------------------------------------------------------------------- |
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288 // From class MDisconnectionObserverCallback. |
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289 // Notification about link disconnection. VPN connection is stopped. |
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290 // --------------------------------------------------------------------------- |
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291 // |
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292 void CVpnConnection::DisconnectIndication( TInt aStatus ) |
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293 { |
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294 // Store disconnection status for reporting it to client. |
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295 iDisconnectEventReceived = ETrue; |
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296 iDisconnectionStatus = aStatus; |
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297 |
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298 DEBUG_LOG1( _L("Link disconnected, status=%d"), |
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299 iDisconnectionStatus ); |
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300 |
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301 if ( iDisconnectionStatus == KErrNone ) |
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302 { |
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303 iDisconnectionStatus = KErrDisconnected; |
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304 } |
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305 |
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306 // Stop VPN connection silently. |
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307 DoStopVpnConnection( ETrue ); |
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308 } |
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309 |
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310 // --------------------------------------------------------------------------- |
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311 // From class MIkePluginSessionHandlerCallback. |
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312 // Notification about completion of negotiate request. |
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313 // --------------------------------------------------------------------------- |
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314 // |
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315 void CVpnConnection::NegotiationStarted( TInt aStatus, |
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316 const TVPNAddress& aInternalAddress ) |
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317 { |
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318 __ASSERT_DEBUG( iIkePluginSessionHandler != NULL, |
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319 User::Invariant() ); |
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320 |
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321 DEBUG_LOG1( _L("NegotiateWithHost completed, status=%d"), |
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322 aStatus ); |
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323 |
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324 // Use disconnection status for reporting if set. |
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325 if ( iDisconnectEventReceived ) |
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326 { |
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327 aStatus = iDisconnectionStatus; |
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328 } |
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329 |
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330 if ( iClientStatusNegotiate != NULL ) |
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331 { |
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332 *iClientInternalAddress = aInternalAddress; |
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333 |
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334 // Complete client's request. |
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335 User::RequestComplete( iClientStatusNegotiate, aStatus ); |
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336 iClientInternalAddress = NULL; |
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337 iClientStatusNegotiate = NULL; |
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338 } |
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339 } |
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340 |
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341 // --------------------------------------------------------------------------- |
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342 // From class MIkePluginSessionHandlerCallback. |
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343 // Notification about completion of delete session request. IKE plugin |
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344 // session object is deleted and real connection stopped. |
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345 // --------------------------------------------------------------------------- |
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346 // |
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347 void CVpnConnection::IkePluginSessionClosed( TInt aStatus ) |
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348 { |
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349 __ASSERT_DEBUG( iIkePluginSessionHandler != NULL, |
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350 User::Invariant() ); |
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351 |
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352 DEBUG_LOG1( _L("IKE plugin session closed, status=%d"), |
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353 aStatus ); |
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354 |
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355 iServer.DeleteIkePluginSession( iIkeVersion, iVpnIapId ); |
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356 iIkePluginSessionHandler = NULL; |
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357 |
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358 DoStopRealConnection( aStatus ); |
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359 } |
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360 |
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361 // --------------------------------------------------------------------------- |
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362 // From class MIkePluginSessionHandlerCallback. |
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363 // Notification about IKE plugin session error. |
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364 // --------------------------------------------------------------------------- |
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365 // |
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366 void CVpnConnection::IkePluginSessionError( TInt aStatus ) |
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367 { |
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368 // Stop VPN connection silently. |
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369 DisconnectIndication( aStatus ); |
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370 } |
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371 |
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372 // --------------------------------------------------------------------------- |
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373 // Cancels negotiation. |
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374 // --------------------------------------------------------------------------- |
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375 // |
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376 void CVpnConnection::DoCancelNegotiateWithHost() |
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377 { |
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378 if ( iIkePluginSessionHandler ) |
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379 { |
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380 iIkePluginSessionHandler->CancelNegotiateWithHost(); |
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381 } |
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382 } |
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383 |
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384 // --------------------------------------------------------------------------- |
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385 // Stops VPN connection. |
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386 // --------------------------------------------------------------------------- |
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387 // |
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388 void CVpnConnection::DoStopVpnConnection( TBool aSilentClose ) |
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389 { |
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390 if ( iIkePluginSessionHandler == NULL ) |
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391 { |
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392 // Stop real connection immediately. |
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393 DoStopRealConnection( KErrNone ); |
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394 } |
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395 else |
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396 { |
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397 DoCancelNegotiateWithHost(); |
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398 |
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399 // Delete IKE plugin session first. |
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400 DoDeleteSession( aSilentClose ); |
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401 } |
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402 } |
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403 |
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404 // --------------------------------------------------------------------------- |
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405 // Cancels VPN connection stopping. VPN Connection is stopped silently. |
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406 // --------------------------------------------------------------------------- |
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407 // |
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408 void CVpnConnection::DoCancelStopVpnConnection() |
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409 { |
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410 DoCancelDeleteSession(); |
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411 |
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412 if ( iIkePluginSessionHandler != NULL ) |
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413 { |
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414 iServer.DeleteIkePluginSession( iIkeVersion, iVpnIapId ); |
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415 iIkePluginSessionHandler = NULL; |
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416 } |
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417 |
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418 DoStopRealConnection( KErrCancel ); |
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419 } |
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420 |
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421 // --------------------------------------------------------------------------- |
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422 // Starts deletion of IKE plugin session. |
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423 // --------------------------------------------------------------------------- |
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424 // |
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425 void CVpnConnection::DoDeleteSession( TBool aSilentClose ) |
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426 { |
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427 __ASSERT_DEBUG( iIkePluginSessionHandler != NULL, |
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428 User::Invariant() ); |
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429 |
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430 iIkePluginSessionHandler->DeleteSession( aSilentClose ); |
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431 } |
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432 |
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433 // --------------------------------------------------------------------------- |
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434 // Cancels deletion of IKE plugin session. IKE plugin session is deleted |
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435 // silently. |
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436 // --------------------------------------------------------------------------- |
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437 // |
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438 void CVpnConnection::DoCancelDeleteSession() |
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439 { |
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440 if ( iIkePluginSessionHandler != NULL ) |
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441 { |
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442 iIkePluginSessionHandler->CancelDeleteSession(); |
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443 } |
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444 } |
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445 |
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446 // --------------------------------------------------------------------------- |
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447 // Stops real network connection. |
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448 // --------------------------------------------------------------------------- |
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449 // |
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450 void CVpnConnection::DoStopRealConnection( TInt aStatus ) |
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451 { |
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452 iDisconnectionObserver->Cancel(); |
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453 iIkeConnection->StopConnection(); |
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454 |
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455 // Use disconnection status for reporting if set. |
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456 if ( iDisconnectEventReceived ) |
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457 { |
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458 aStatus = iDisconnectionStatus; |
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459 } |
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460 |
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461 if ( iClientStatusStopVpnConnection ) |
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462 { |
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463 // Complete client's request. |
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464 User::RequestComplete( iClientStatusStopVpnConnection, aStatus ); |
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465 iClientStatusStopVpnConnection = NULL; |
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466 } |
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467 DoReportDisconnectEvent( aStatus ); |
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468 |
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469 // Delete VPN connection object. |
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470 iServer.DeleteVpnConnection( iVpnIapId ); |
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471 } |
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472 |
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473 // --------------------------------------------------------------------------- |
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474 // Reports disconnect event via Event Mediator API. |
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475 // --------------------------------------------------------------------------- |
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476 // |
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477 void CVpnConnection::DoReportDisconnectEvent( TInt aStatus ) |
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478 { |
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479 TPckg<TUint32> connInfoDes( iVpnIapId ); |
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480 TEventData info; |
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481 info.iTaskStatus = aStatus; |
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482 TPckg<TEventData> infoDes( info ); |
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483 |
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484 DEBUG_LOG2( _L("Report disconnect event via event mediator, VPN IAP Id=%d, status=%d"), |
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485 iVpnIapId, aStatus ); |
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486 |
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487 iEventMediator.ReportEvent( EKmdRealIapConnDownEvent, |
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488 connInfoDes, |
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489 infoDes ); |
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490 } |