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1 /* |
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2 * Copyright (c) 2009-2010 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: NAT/Firewall handler for VoIP XML processor |
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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 <centralrepository.h> |
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20 #include <unsafprotocolsinternalcrkeys.h> |
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21 |
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22 #include "voipxmlutils.h" |
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23 #include "voipxmlnatfwhandler.h" |
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24 #include "voipxmlprocessorlogger.h" |
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25 //#include "voipxmlprocessordefaults.h" |
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26 |
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27 // --------------------------------------------------------------------------- |
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28 // CVoipXmlNatFwHandler::CVoipXmlNatFwHandler |
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29 // --------------------------------------------------------------------------- |
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30 // |
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31 CVoipXmlNatFwHandler::CVoipXmlNatFwHandler() |
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32 { |
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33 } |
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34 |
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35 // --------------------------------------------------------------------------- |
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36 // CVoipXmlNatFwHandler::NewL |
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37 // --------------------------------------------------------------------------- |
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38 // |
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39 CVoipXmlNatFwHandler* CVoipXmlNatFwHandler::NewL() |
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40 { |
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41 CVoipXmlNatFwHandler* self = new ( ELeave ) CVoipXmlNatFwHandler; |
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42 CleanupStack::PushL( self ); |
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43 self->ConstructL(); |
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44 CleanupStack::Pop( self ); |
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45 return self; |
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46 } |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // CVoipXmlNatFwHandler::ConstructL |
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50 // --------------------------------------------------------------------------- |
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51 // |
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52 void CVoipXmlNatFwHandler::ConstructL() |
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53 { |
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54 iDomain = HBufC8::NewL( KMaxNodeValueLength ); |
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55 iStunSrvAddr = HBufC8::NewL( KMaxNodeValueLength ); |
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56 iStunSrvUsername = HBufC8::NewL( KMaxNodeValueLength ); |
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57 iStunSrvPassword = HBufC8::NewL( KMaxNodeValueLength ); |
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58 iNatProtocol = HBufC8::NewL( KMaxNodeValueLength ); |
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59 iNatProtocol->Des().Copy( KDefaultNatProtocol ); |
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60 iStunSrvPort = KDefaultStunServerPort; |
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61 iTcpRefreshInterval = KDefaultTcpRefreshInterval; |
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62 iUdpRefreshInterval = KDefaultUdpRefreshInterval; |
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63 iStartPortRange = KDefaultStartPortRange; |
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64 iEndPortRange = KDefaultEndPortRange; |
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65 iCurrentAdditionalStunServer.iStunSrvPort = KDefaultStunServerPort; |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // CVoipXmlNatFwHandler::~CVoipXmlNatFwHandler |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 CVoipXmlNatFwHandler::~CVoipXmlNatFwHandler() |
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73 { |
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74 delete iDomain; |
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75 delete iStunSrvAddr; |
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76 delete iStunSrvUsername; |
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77 delete iStunSrvPassword; |
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78 delete iNatProtocol; |
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79 iAdditionalStunServers.ResetAndDestroy(); |
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80 iAdditionalStunServers.Close(); |
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81 } |
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82 |
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83 // --------------------------------------------------------------------------- |
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84 // Sets a NAT/Firewall setting. |
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85 // --------------------------------------------------------------------------- |
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86 // |
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87 void CVoipXmlNatFwHandler::SetSetting( TInt aType, TInt aParam, |
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88 const TDesC8& aValue ) |
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89 { |
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90 // Ignore too long descriptors. |
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91 if ( KMaxNodeValueLength < aValue.Length() ) |
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92 { |
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93 return; |
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94 } |
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95 |
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96 TInt intVal( KErrNotFound ); |
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97 switch ( aParam ) |
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98 { |
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99 case EDomain: |
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100 { |
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101 iDomain->Des().Copy( aValue ); |
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102 iSettingsSet = ETrue; |
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103 break; |
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104 } |
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105 case EUri: |
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106 { |
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107 if ( ENatFw == aType ) |
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108 { |
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109 iStunSrvAddr->Des().Copy( aValue ); |
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110 iSettingsSet = ETrue; |
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111 } |
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112 else if ( EAdditionalStun == aType ) |
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113 { |
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114 iCurrentAdditionalStunServer.iStunSrvAddr.Copy( aValue ); |
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115 iSettingsSet = ETrue; |
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116 } |
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117 break; |
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118 } |
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119 case EPort: |
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120 { |
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121 if ( ENatFw == aType && KErrNone == VoipXmlUtils::Des8ToInt( |
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122 aValue, intVal ) ) |
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123 { |
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124 iStunSrvPort = intVal; |
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125 iSettingsSet = ETrue; |
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126 } |
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127 else if ( EAdditionalStun == aType && |
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128 KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) ) |
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129 { |
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130 iCurrentAdditionalStunServer.iStunSrvPort = intVal; |
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131 iSettingsSet = ETrue; |
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132 } |
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133 break; |
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134 } |
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135 case ETcpRefreshInterval: |
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136 { |
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137 if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) ) |
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138 { |
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139 iTcpRefreshInterval = intVal; |
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140 iSettingsSet = ETrue; |
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141 } |
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142 break; |
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143 } |
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144 case EUdpRefreshInterval: |
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145 { |
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146 if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) ) |
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147 { |
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148 iUdpRefreshInterval = intVal; |
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149 iSettingsSet = ETrue; |
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150 } |
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151 break; |
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152 } |
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153 case ECrlfRefresh: |
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154 { |
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155 if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) ) |
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156 { |
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157 iCrlfRefresh = intVal; |
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158 iSettingsSet = ETrue; |
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159 } |
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160 break; |
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161 } |
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162 case EUsername: |
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163 { |
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164 if ( ENatFw == aType ) |
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165 { |
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166 iStunSrvUsername->Des().Copy( aValue ); |
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167 iSettingsSet = ETrue; |
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168 } |
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169 else if ( EAdditionalStun == aType ) |
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170 { |
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171 iCurrentAdditionalStunServer.iStunSrvUsername.Copy( aValue ); |
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172 iSettingsSet = ETrue; |
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173 } |
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174 break; |
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175 } |
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176 case EPassword: |
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177 { |
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178 if ( ENatFw == aType ) |
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179 { |
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180 iStunSrvPassword->Des().Copy( aValue ); |
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181 iSettingsSet = ETrue; |
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182 } |
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183 else if ( EAdditionalStun == aType ) |
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184 { |
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185 iCurrentAdditionalStunServer.iStunSrvPassword.Copy( aValue ); |
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186 iSettingsSet = ETrue; |
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187 } |
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188 break; |
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189 } |
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190 case EStunSharedSecret: |
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191 { |
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192 if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) ) |
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193 { |
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194 iStunSharedSecret = intVal; |
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195 iSettingsSet = ETrue; |
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196 } |
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197 break; |
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198 } |
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199 case EStartPort: |
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200 { |
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201 if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) ) |
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202 { |
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203 iStartPortRange = intVal; |
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204 iSettingsSet = ETrue; |
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205 } |
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206 break; |
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207 } |
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208 case EEndPort: |
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209 { |
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210 if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) ) |
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211 { |
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212 iEndPortRange = intVal; |
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213 iSettingsSet = ETrue; |
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214 } |
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215 break; |
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216 } |
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217 case EType: |
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218 { |
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219 iNatProtocol->Des().Copy( aValue ); |
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220 break; |
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221 } |
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222 default: |
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223 break; |
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224 } |
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225 } |
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226 |
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227 // --------------------------------------------------------------------------- |
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228 // Stores settings to Central Repository. |
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229 // --------------------------------------------------------------------------- |
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230 // |
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231 TInt CVoipXmlNatFwHandler::StoreSettings() |
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232 { |
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233 if ( !iSettingsSet ) |
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234 { |
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235 // No settings to be stored => method not supported. |
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236 return KErrNotSupported; |
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237 } |
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238 TRAPD( err, StoreSettingsL() ); |
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239 if ( KErrNone != err ) |
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240 { |
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241 err = KErrCompletion; |
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242 } |
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243 return err; |
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244 } |
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245 |
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246 // --------------------------------------------------------------------------- |
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247 // Appends currently modified additional STUN server to internal array. |
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248 // --------------------------------------------------------------------------- |
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249 // |
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250 void CVoipXmlNatFwHandler::SettingsEnd( TInt aType ) |
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251 { |
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252 if ( EAdditionalStun == aType ) |
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253 { |
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254 TAdditionalStun* temp = new TAdditionalStun; |
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255 temp->iStunSrvAddr.Copy( iCurrentAdditionalStunServer.iStunSrvAddr ); |
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256 temp->iStunSrvPort = iCurrentAdditionalStunServer.iStunSrvPort; |
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257 temp->iStunSrvUsername.Copy( |
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258 iCurrentAdditionalStunServer.iStunSrvUsername ); |
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259 temp->iStunSrvPassword.Copy( |
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260 iCurrentAdditionalStunServer.iStunSrvPassword ); |
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261 iAdditionalStunServers.Append( temp ); |
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262 iCurrentAdditionalStunServer.iStunSrvAddr.Copy( KNullDesC8 ); |
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263 iCurrentAdditionalStunServer.iStunSrvPort = KDefaultStunServerPort; |
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264 iCurrentAdditionalStunServer.iStunSrvUsername.Copy( KNullDesC8 ); |
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265 iCurrentAdditionalStunServer.iStunSrvPassword.Copy( KNullDesC8 ); |
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266 } |
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267 } |
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268 |
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269 // --------------------------------------------------------------------------- |
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270 // Commits Central Repository storage. |
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271 // --------------------------------------------------------------------------- |
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272 // |
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273 void CVoipXmlNatFwHandler::StoreSettingsL() |
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274 { |
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275 CRepository* rep = CRepository::NewLC( KCRUidUNSAFProtocols ); // CS:1 |
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276 |
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277 RArray<TUint32> keys; |
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278 CleanupClosePushL( keys ); // CS:2 |
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279 |
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280 // Get next free Domain key. |
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281 rep->FindL( KUNSAFProtocolsDomainMask, |
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282 KUNSAFProtocolsFieldTypeMask, keys ); |
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283 TInt keyCount = keys.Count(); |
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284 TInt tmp = 0; |
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285 if ( !keyCount ) |
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286 { |
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287 tmp = KUNSAFProtocolsDomainTableMask; |
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288 } |
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289 else |
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290 { |
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291 tmp = keys[keyCount - 1] + 1; |
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292 } |
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293 |
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294 rep->FindEqL( KUNSAFProtocolsDomainMask, KUNSAFProtocolsFieldTypeMask, |
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295 iDomain->Des(), keys ); |
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296 if ( keys.Count() ) |
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297 { |
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298 tmp = keys[0]; |
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299 } |
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300 |
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301 TUint32 currentKey = tmp|KUNSAFProtocolsDomainMask; |
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302 currentKey &= KUNSAFProtocolsKeyMask; |
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303 |
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304 TUint32 currentDomainKey = tmp|KUNSAFProtocolsFieldTypeMask; |
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305 currentDomainKey ^= KUNSAFProtocolsFieldTypeMask; |
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306 |
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307 TUint32 stunKey = KUNSAFProtocolsSubTableFieldTypeMask; |
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308 stunKey ^= KUNSAFProtocolsSubTableFieldTypeMask; |
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309 stunKey |= currentDomainKey; |
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310 |
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311 // Delete all existing additional STUN servers if there are any. |
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312 RArray<TUint32> stunKeys; |
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313 CleanupClosePushL( stunKeys ); // CS:3 |
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314 TInt err = rep->FindL( |
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315 currentDomainKey|KUNSAFProtocolsSTUNAddressMask, |
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316 KUNSAFProtocolsSubTableFieldTypeMask, stunKeys ); |
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317 const TInt stunKeyCount = stunKeys.Count(); |
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318 for ( TInt counter = 0 ; counter < stunKeyCount; counter++ ) |
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319 { |
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320 TUint32 key = KUNSAFProtocolsSTUNAddressMask^ |
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321 stunKeys[counter]; |
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322 rep->Delete( key|KUNSAFProtocolsSTUNAddressMask ); |
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323 rep->Delete( key|KUNSAFProtocolsSTUNPortMask ); |
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324 rep->Delete( key|KUNSAFProtocolsSTUNUsernameMask ); |
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325 rep->Delete( key|KUNSAFProtocolsSTUNPasswordMask ); |
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326 } |
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327 CleanupStack::PopAndDestroy( &stunKeys ); // CS:2 |
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328 |
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329 // Set new keys. |
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330 |
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331 // Domain |
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332 User::LeaveIfError( rep->Set( currentKey|KUNSAFProtocolsDomainMask, |
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333 iDomain->Des() )); |
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334 |
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335 // STUN server address. |
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336 User::LeaveIfError( rep->Set( |
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337 KUNSAFProtocolsSTUNServerMask|currentDomainKey, |
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338 iStunSrvAddr->Des() ) ); |
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339 // Set the same value into STUN server table. |
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340 User::LeaveIfError( rep->Set( |
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341 KUNSAFProtocolsSTUNAddressMask|stunKey, |
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342 iStunSrvAddr->Des() ) ); |
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343 |
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344 // STUN server port. |
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345 User::LeaveIfError( rep->Set( |
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346 KUNSAFProtocolsSTUNServerPortMask|currentDomainKey, |
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347 iStunSrvPort ) ); |
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348 // Set the same value into STUN server table. |
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349 User::LeaveIfError( rep->Set( |
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350 KUNSAFProtocolsSTUNPortMask|stunKey, |
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351 iStunSrvPort ) ); |
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352 |
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353 // TCP refresh interval. |
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354 User::LeaveIfError( rep->Set( |
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355 KUNSAFProtocolsDomainIntervalTCPMask|currentDomainKey, |
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356 iTcpRefreshInterval ) ); |
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357 |
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358 // UDP refresh interval. |
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359 User::LeaveIfError( rep->Set( |
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360 KUNSAFProtocolsDomainIntervalUDPMask|currentDomainKey, |
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361 iUdpRefreshInterval ) ); |
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362 |
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363 // CRLF refresh. |
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364 User::LeaveIfError( rep->Set( |
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365 KUNSAFProtocolsDomainEnableCRLFRefresh|currentDomainKey, |
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366 iCrlfRefresh ) ); |
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367 |
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368 // STUN server username |
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369 User::LeaveIfError( rep->Set( |
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370 KUNSAFProtocolsSTUNUsernameMask|stunKey, |
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371 iStunSrvUsername->Des() ) ); |
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372 |
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373 // STUN server password |
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374 User::LeaveIfError( rep->Set( |
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375 KUNSAFProtocolsSTUNPasswordMask|stunKey, |
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376 iStunSrvPassword->Des() ) ); |
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377 |
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378 // STUN shared secret |
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379 User::LeaveIfError( rep->Set( currentDomainKey| |
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380 KUNSAFProtocolsDomainSharedSecretNotSupported, |
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381 !iStunSharedSecret ) ); |
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382 |
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383 // Start port range |
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384 User::LeaveIfError( rep->Set( |
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385 currentDomainKey|KUNSAFProtocolsPortPoolStartPortMask, |
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386 iStartPortRange ) ); |
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387 |
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388 // End port range. |
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389 User::LeaveIfError( rep->Set( |
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390 currentDomainKey|KUNSAFProtocolsPortPoolEndPortMask, |
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391 iEndPortRange ) ); |
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392 |
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393 // Used NAT protocol. |
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394 User::LeaveIfError( rep->Set( |
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395 currentDomainKey|KUNSAFProtocolsUsedNATProtocolMask, |
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396 iNatProtocol->Des() ) ); |
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397 |
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398 // ============================== |
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399 // Additional STUN servers |
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400 // ============================== |
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401 // |
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402 const TInt count = iAdditionalStunServers.Count(); |
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403 for ( TInt counter = 0; counter < count; counter++ ) |
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404 { |
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405 stunKey |= KUNSAFProtocolsSubTableFieldTypeMask; |
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406 stunKey++; |
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407 stunKey |= KUNSAFProtocolsSubTableFieldTypeMask; |
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408 stunKey ^= KUNSAFProtocolsSubTableFieldTypeMask; |
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409 stunKey |= currentDomainKey; |
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410 |
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411 // STUNServerAddress |
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412 User::LeaveIfError( rep->Create( |
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413 KUNSAFProtocolsSTUNAddressMask|stunKey, |
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414 iAdditionalStunServers[counter]->iStunSrvAddr ) ); |
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415 |
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416 // STUNServerPort |
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417 User::LeaveIfError( rep->Create( |
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418 KUNSAFProtocolsSTUNPortMask|stunKey, |
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419 iAdditionalStunServers[counter]->iStunSrvPort ) ); |
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420 |
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421 // STUNServerUsername |
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422 User::LeaveIfError( rep->Create( |
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423 KUNSAFProtocolsSTUNUsernameMask|stunKey, |
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424 iAdditionalStunServers[counter]->iStunSrvUsername ) ); |
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425 |
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426 // STUNServerPassword |
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427 User::LeaveIfError( rep->Create( |
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428 KUNSAFProtocolsSTUNPasswordMask|stunKey, |
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429 iAdditionalStunServers[counter]->iStunSrvPassword ) ); |
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430 } |
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431 |
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432 // &keys, rep |
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433 CleanupStack::PopAndDestroy( 2, rep ); // CS:0 |
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434 } |
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435 |
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436 // End of file. |