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1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Name : COwnerSettingsList.cpp |
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15 // Part of : ConnectionMgr |
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16 // See class definition below. |
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17 // Version : SIP/4.0 |
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18 // |
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19 |
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20 |
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21 |
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22 #include "COwnerSettingsList.h" |
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23 #include "COwnerSettings.h" |
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24 #include "CommonConsts.h" |
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25 #include "siperr.h" |
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26 |
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27 const TInt KSettingsGranularity = 2; |
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28 const TUint KFirstUnreservedPort = KDefaultSipPort+2; |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // COwnerSettingsList::NewL |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 COwnerSettingsList* COwnerSettingsList::NewL() |
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35 { |
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36 COwnerSettingsList* self = new ( ELeave ) COwnerSettingsList; |
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37 return self; |
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38 } |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // COwnerSettingsList::~COwnerSettingsList |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 COwnerSettingsList::~COwnerSettingsList() |
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45 { |
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46 iSettings.ResetAndDestroy(); |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // COwnerSettingsList::COwnerSettingsList |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 COwnerSettingsList::COwnerSettingsList() : |
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54 iSettings( KSettingsGranularity ) |
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55 { |
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56 } |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // COwnerSettingsList::AddSettingsL |
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60 // ----------------------------------------------------------------------------- |
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61 // |
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62 void COwnerSettingsList::AddSettingsL( |
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63 const TSIPTransportParams& aParams, |
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64 TUint aOptionName, |
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65 TUint aOptionLevel, |
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66 TInt aOption ) |
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67 { |
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68 COwnerSettings& settings = FindOwnerSettingsL( aParams ); |
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69 settings.AddOptL( aOptionName, aOptionLevel, aOption ); |
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70 } |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // COwnerSettingsList::AddSettingsL |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 void COwnerSettingsList::AddSettingsL( |
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77 const TSIPTransportParams& aParams, |
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78 TUint aOptionName, |
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79 TUint aOptionLevel, |
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80 const TDesC8& aOption ) |
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81 { |
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82 COwnerSettings& settings = FindOwnerSettingsL( aParams ); |
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83 settings.AddOptL( aOptionName, aOptionLevel, aOption ); |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // COwnerSettingsList::RemoveSettings |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 void COwnerSettingsList::RemoveSettings( const TSIPTransportParams& aParams ) |
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91 { |
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92 // Remove all settings of this owner |
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93 TInt count = iSettings.Count(); |
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94 for ( TInt i = ( count-1 ); i >= 0; i-- ) |
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95 { |
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96 if ( iSettings[ i ]->TransportParams().OwnerId() == aParams.OwnerId() ) |
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97 { |
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98 COwnerSettings* settings = iSettings[ i ]; |
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99 iSettings.Remove( i ); |
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100 delete settings; |
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101 } |
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102 } |
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103 iSettings.Compress(); |
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104 } |
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105 |
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106 // ----------------------------------------------------------------------------- |
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107 // COwnerSettingsList::RemoveSettings |
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108 // ----------------------------------------------------------------------------- |
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109 // |
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110 TBool COwnerSettingsList::RemoveSettings( TUint32 aTransportId ) |
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111 { |
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112 // Remove all settings containing passed transportId |
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113 TBool removed( EFalse ); |
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114 TInt count = iSettings.Count(); |
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115 for ( TInt i = ( count-1 ); i >= 0; i-- ) |
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116 { |
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117 if ( iSettings[ i ]->TransportParams().TransportId() == aTransportId ) |
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118 { |
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119 COwnerSettings* settings = iSettings[ i ]; |
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120 iSettings.Remove( i ); |
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121 delete settings; |
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122 removed = ETrue; |
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123 } |
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124 } |
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125 iSettings.Compress(); |
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126 return removed; |
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127 } |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 // COwnerSettingsList::IsRequestedOpts |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 TBool COwnerSettingsList::IsRequestedOpts( |
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134 const TSIPTransportParams& aParams ) const |
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135 { |
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136 TInt count = iSettings.Count(); |
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137 for ( TInt i = 0; i < count; i++ ) |
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138 { |
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139 if ( iSettings[ i ]->TransportParams().OwnerId() == aParams.OwnerId() && |
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140 iSettings[ i ]->IsOpts() ) |
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141 { |
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142 return ETrue; |
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143 } |
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144 } |
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145 return EFalse; |
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146 } |
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147 |
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148 // ----------------------------------------------------------------------------- |
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149 // COwnerSettingsList::SetOpts |
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150 // ----------------------------------------------------------------------------- |
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151 // |
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152 void COwnerSettingsList::SetOpts( |
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153 const TSIPTransportParams& aParams, |
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154 RSocket& aSocket ) |
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155 { |
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156 // Apply to socket all opts this owner has set |
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157 TInt count = iSettings.Count(); |
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158 for ( TInt i = 0; i < count; i++ ) |
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159 { |
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160 if ( iSettings[ i ]->TransportParams().OwnerId() == aParams.OwnerId() ) |
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161 { |
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162 iSettings[ i ]->SetOpts( aSocket ); |
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163 } |
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164 } |
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165 } |
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166 |
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167 |
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168 // ----------------------------------------------------------------------------- |
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169 // COwnerSettingsList::ClearOpts |
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170 // ----------------------------------------------------------------------------- |
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171 // |
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172 void COwnerSettingsList::ClearOpts( |
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173 const TSIPTransportParams& aParams, |
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174 RSocket& aSocket ) |
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175 { |
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176 // Apply to socket all opts this owner has set |
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177 TInt count = iSettings.Count(); |
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178 for ( TInt i = 0; i < count; i++ ) |
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179 { |
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180 if ( iSettings[ i ]->TransportParams().OwnerId() == aParams.OwnerId() ) |
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181 { |
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182 iSettings[ i ]->ClearOpts( aSocket ); |
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183 } |
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184 } |
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185 } |
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186 |
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187 // ----------------------------------------------------------------------------- |
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188 // COwnerSettingsList::SaveTransportInfoL |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 TBool COwnerSettingsList::SaveTransportInfoL( |
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192 const TSIPTransportParams& aOldParams, |
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193 const TSIPTransportParams& aParams, |
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194 TUint aLocalSendPort, |
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195 TUint aLocalReceivePort, |
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196 const TInetAddr& aRemoteAddr, |
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197 TUint aRemoteSendPort ) |
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198 { |
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199 // If there is already settings matching old tp params and old transport id |
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200 // is not default, it is allowed to have duplicate reservations between |
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201 // those two transports since in this case new IPSec record is just changing |
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202 // local sending port but sharing receiving port. |
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203 |
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204 TInt index( KErrNotFound ); |
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205 if ( IsReservedTransport( aOldParams.TransportId() ) ) |
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206 { |
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207 index = FindOwnerSettingsIndex( aOldParams ); |
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208 } |
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209 |
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210 for ( TInt i = 0; i < iSettings.Count(); i++ ) |
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211 { |
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212 if ( !iSettings[ i ]->IsUnreservedPort( aLocalSendPort ) || |
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213 ( i != index && !iSettings[ i ]->IsUnreservedPort( aLocalReceivePort ) ) ) |
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214 { |
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215 User::Leave( KErrSIPTransportFailure ); |
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216 } |
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217 } |
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218 |
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219 COwnerSettings& settings = FindOwnerSettingsL( aParams ); |
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220 |
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221 settings.SaveTransportInfoL( aLocalSendPort, |
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222 aLocalReceivePort, |
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223 aRemoteAddr, |
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224 aRemoteSendPort ); |
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225 |
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226 settings.AddReservedPortL( aLocalSendPort ); |
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227 settings.AddReservedPortL( aLocalReceivePort ); |
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228 |
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229 return ( index != KErrNotFound ); |
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230 } |
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231 |
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232 // ----------------------------------------------------------------------------- |
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233 // COwnerSettingsList::SaveTLSTransportInfoL |
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234 // ----------------------------------------------------------------------------- |
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235 // |
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236 void COwnerSettingsList::SaveTLSTransportInfoL( |
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237 const TSIPTransportParams& aParams ) |
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238 { |
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239 COwnerSettings& settings = FindOwnerSettingsL( aParams, EFalse ); |
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240 settings.SetUseTLS( ETrue ); |
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241 } |
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242 |
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243 // ----------------------------------------------------------------------------- |
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244 // COwnerSettingsList::ReservePrivatePortL |
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245 // ----------------------------------------------------------------------------- |
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246 // |
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247 void COwnerSettingsList::ReservePrivatePortL( |
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248 const TSIPTransportParams& aParams, |
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249 TUint aPort ) |
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250 { |
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251 // Ignore attempt to reserve default sip port. Also ignore protected |
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252 // transports since those use SaveTransportInfoL for reserving ports |
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253 // (two SAs may share same private ports). |
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254 if ( aPort == KDefaultSipPort || |
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255 IsReservedTransport( aParams.TransportId() ) ) |
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256 { |
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257 return; |
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258 } |
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259 |
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260 // First check that port is not already reserved |
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261 // (it can be reserved for owner) |
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262 TInt index = FindOwnerSettingsIndex( aParams ); |
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263 |
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264 for ( TInt i = 0; i < iSettings.Count(); i++ ) |
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265 { |
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266 if ( i != index && !iSettings[ i ]->IsUnreservedPort( aPort ) ) |
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267 { |
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268 User::Leave( KErrSIPTransportFailure ); |
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269 } |
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270 } |
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271 |
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272 // Then reserve it |
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273 COwnerSettings& settings = FindOwnerSettingsL( aParams ); |
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274 settings.AddReservedPortL( aPort ); |
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275 } |
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276 |
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277 // ----------------------------------------------------------------------------- |
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278 // COwnerSettingsList::GetPrivatePort |
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279 // ----------------------------------------------------------------------------- |
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280 // |
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281 TUint COwnerSettingsList::GetPrivatePortL( const TSIPTransportParams& aParams ) |
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282 { |
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283 // Find first unreserved port |
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284 TBool found( EFalse ); |
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285 TUint unreservedport = KFirstUnreservedPort; |
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286 TInt count = iSettings.Count(); |
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287 for ( TInt i = 0; i < count && !found; i++ ) |
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288 { |
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289 if ( iSettings[ i ]->IsUnreservedPort( unreservedport ) ) |
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290 { |
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291 found = ETrue; |
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292 } |
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293 else |
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294 { |
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295 unreservedport++; |
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296 } |
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297 } |
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298 // Then reserve it |
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299 COwnerSettings& settings = FindOwnerSettingsL( aParams ); |
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300 settings.AddReservedPortL( unreservedport ); |
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301 return unreservedport; |
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302 } |
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303 |
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304 // ----------------------------------------------------------------------------- |
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305 // COwnerSettingsList::HasSavedTransportInfo |
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306 // ----------------------------------------------------------------------------- |
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307 // |
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308 TBool COwnerSettingsList::HasSavedTransportInfo( |
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309 TUint32 aTransportId ) const |
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310 { |
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311 return ( FindOwnerSettingsIndex( aTransportId ) != KErrNotFound ); |
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312 } |
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313 |
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314 // ----------------------------------------------------------------------------- |
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315 // COwnerSettingsList::HasSavedTLSTransportInfo |
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316 // ----------------------------------------------------------------------------- |
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317 // |
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318 TBool COwnerSettingsList::HasSavedTLSTransportInfo( TUint32 aTransportId ) const |
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319 { |
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320 TInt index( KErrNotFound ); |
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321 if ( ( index = FindOwnerSettingsIndex( aTransportId ) ) != KErrNotFound ) |
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322 { |
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323 return iSettings[ index ]->UseTLS(); |
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324 } |
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325 return EFalse; |
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326 } |
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327 |
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328 // ----------------------------------------------------------------------------- |
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329 // COwnerSettingsList::SavedLocalSendPort |
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330 // ----------------------------------------------------------------------------- |
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331 // |
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332 TUint COwnerSettingsList::SavedLocalSendPort( |
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333 TUint32 aTransportId ) const |
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334 { |
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335 TInt index( KErrNotFound ); |
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336 if ( ( index = FindOwnerSettingsIndex( aTransportId ) ) != KErrNotFound ) |
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337 { |
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338 return iSettings[ index ]->LocalSendPort(); |
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339 } |
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340 return 0; |
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341 } |
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342 |
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343 // ----------------------------------------------------------------------------- |
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344 // COwnerSettingsList::SavedLocalReceivePort |
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345 // ----------------------------------------------------------------------------- |
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346 // |
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347 TUint COwnerSettingsList::SavedLocalReceivePort( |
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348 TUint32 aTransportId ) const |
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349 { |
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350 TInt index( KErrNotFound ); |
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351 if ( ( index = FindOwnerSettingsIndex( aTransportId ) ) != KErrNotFound ) |
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352 { |
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353 return iSettings[ index ]->LocalReceivePort(); |
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354 } |
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355 return 0; |
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356 } |
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357 |
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358 // ----------------------------------------------------------------------------- |
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359 // COwnerSettingsList::SavedRemoteAddr |
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360 // ----------------------------------------------------------------------------- |
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361 // |
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362 const TInetAddr* COwnerSettingsList::SavedRemoteAddr( |
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363 TUint32 aTransportId ) const |
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364 { |
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365 TInt index( KErrNotFound ); |
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366 if ( ( index = FindOwnerSettingsIndex( aTransportId ) ) != KErrNotFound ) |
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367 { |
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368 return iSettings[ index ]->RemoteAddr(); |
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369 } |
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370 return 0; |
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371 } |
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372 |
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373 // ----------------------------------------------------------------------------- |
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374 // COwnerSettingsList::IsReceivingAllowed |
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375 // ----------------------------------------------------------------------------- |
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376 // |
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377 TBool COwnerSettingsList::IsReceivingAllowed( |
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378 const TSIPTransportParams& aParams, |
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379 const TInetAddr& aRemoteAddr, |
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380 TUint aProtocol, |
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381 TUint aLocalPort ) const |
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382 { |
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383 TBool reservedTransport = IsReservedTransport( aParams.TransportId() ); |
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384 |
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385 // When TLS is used explicitly, there's no need to do remote address |
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386 // specific checking |
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387 if ( reservedTransport && |
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388 HasSavedTLSTransportInfo( aParams.TransportId() ) ) |
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389 { |
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390 return ETrue; |
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391 } |
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392 |
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393 // If transport id is not specified, receiving from protected (reserved) |
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394 // ports is not allowed. If id is specified, receiving from unprotected |
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395 // ports is not allowed |
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396 TBool match( EFalse ); |
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397 for ( TInt i = 0; i < iSettings.Count() && !match; i++ ) |
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398 { |
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399 if ( iSettings[ i ]->IsMatchingWithSavedInfo( aParams, |
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400 aRemoteAddr, |
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401 aProtocol, |
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402 aLocalPort ) ) |
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403 { |
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404 match = ETrue; |
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405 } |
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406 } |
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407 |
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408 return ( reservedTransport && match ) || ( !reservedTransport && !match ); |
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409 } |
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410 |
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411 // ----------------------------------------------------------------------------- |
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412 // COwnerSettingsList::FindTransportId |
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413 // ----------------------------------------------------------------------------- |
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414 // |
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415 TUint32 COwnerSettingsList::FindTransportId( const TInetAddr& aRemoteAddr ) const |
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416 { |
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417 for ( TInt i = 0; i < iSettings.Count(); i++ ) |
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418 { |
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419 COwnerSettings* settings = iSettings[ i ]; |
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420 if ( settings->IsMatchingWithRemoteSendAddr( aRemoteAddr, ETrue ) ) |
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421 { |
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422 return settings->TransportParams().TransportId(); |
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423 } |
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424 } |
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425 return 0; |
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426 } |
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427 |
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428 // ----------------------------------------------------------------------------- |
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429 // COwnerSettingsList::SaveTLSRemoteL |
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430 // ----------------------------------------------------------------------------- |
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431 // |
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432 void COwnerSettingsList::SaveTLSRemoteL( |
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433 const TSIPTransportParams& aParams, |
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434 const TInetAddr& aRemoteAddr ) |
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435 { |
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436 TInt index( KErrNotFound ); |
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437 if ( ( index = FindOwnerSettingsIndex( |
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438 aParams.TransportId() ) ) != KErrNotFound ) |
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439 { |
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440 iSettings[ index ]->SaveTLSRemoteL( aRemoteAddr ); |
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441 } |
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442 } |
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443 |
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444 // ----------------------------------------------------------------------------- |
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445 // COwnerSettingsList::FindOwnerSettingsL |
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446 // ----------------------------------------------------------------------------- |
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447 // |
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448 COwnerSettings& COwnerSettingsList::FindOwnerSettingsL( |
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449 const TSIPTransportParams& aParams, TBool aAllowExisting ) |
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450 { |
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451 // Find existing settings for this owner or create new entry to the |
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452 // settings list. |
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453 TInt index( 0 ); |
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454 if ( ( index = FindOwnerSettingsIndex( aParams ) ) != KErrNotFound ) |
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455 { |
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456 __ASSERT_ALWAYS( aAllowExisting, User::Leave( KErrAlreadyExists ) ); |
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457 return *iSettings[ index ]; |
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458 } |
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459 |
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460 COwnerSettings* settings = COwnerSettings::NewLC( aParams ); |
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461 iSettings.AppendL( settings ); |
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462 CleanupStack::Pop( settings ); |
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463 return *settings; |
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464 } |
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465 |
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466 // ----------------------------------------------------------------------------- |
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467 // COwnerSettingsList::FindOwnerSettingsIndex |
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468 // ----------------------------------------------------------------------------- |
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469 // |
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470 TInt COwnerSettingsList::FindOwnerSettingsIndex( |
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471 const TSIPTransportParams& aParams ) const |
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472 { |
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473 COwnerSettings* settings = 0; |
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474 for ( TInt i = 0; i < iSettings.Count(); i++ ) |
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475 { |
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476 settings = iSettings[ i ]; |
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477 if ( settings->TransportParams().OwnerId() == aParams.OwnerId() && |
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478 settings->TransportParams().TransportId() == aParams.TransportId() ) |
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479 { |
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480 return i; |
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481 } |
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482 } |
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483 return KErrNotFound; |
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484 } |
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485 |
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486 // ----------------------------------------------------------------------------- |
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487 // COwnerSettingsList::FindOwnerSettingsIndex |
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488 // ----------------------------------------------------------------------------- |
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489 // |
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490 TInt COwnerSettingsList::FindOwnerSettingsIndex( |
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491 TUint32 aTransportId ) const |
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492 { |
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493 if ( !IsReservedTransport( aTransportId ) ) |
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494 { |
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495 return KErrNotFound; |
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496 } |
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497 |
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498 COwnerSettings* settings = 0; |
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499 for ( TInt i = 0; i < iSettings.Count(); i++ ) |
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500 { |
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501 settings = iSettings[ i ]; |
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502 if ( settings->TransportParams().TransportId() == aTransportId ) |
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503 { |
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504 return i; |
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505 } |
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506 } |
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507 return KErrNotFound; |
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508 } |
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509 |
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510 // ----------------------------------------------------------------------------- |
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511 // COwnerSettingsList::IsReservedTransport |
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512 // ----------------------------------------------------------------------------- |
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513 // |
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514 TBool COwnerSettingsList::IsReservedTransport( TUint32 aTransportId ) const |
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515 { |
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516 return ( aTransportId > 0 ); |
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517 } |
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518 |
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519 // end of file |