1 /* |
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2 * Copyright (c) 2007-2008 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: Implementation of CWsfServer |
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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 // CLASS HEADER |
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20 #include "wsfserver.h" |
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21 |
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22 // INTERNAL INCLUDES |
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23 #include "wsfengine.h" |
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24 #include "wsfsession.h" |
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25 #include "wsfservercommon.h" |
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26 #include "wsflogger.h" |
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27 |
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28 |
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29 // LOCAL DEFINITIONS |
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30 /** |
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31 * Number of security ranges |
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32 */ |
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33 static const TInt KRangeCount = 1; |
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34 |
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35 |
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36 /** |
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37 * Security ranges |
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38 */ |
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39 static const TInt KSecurityRanges[KRangeCount] = |
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40 { |
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41 0, |
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42 }; |
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43 |
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44 |
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45 /** |
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46 * Policy for the security ranges |
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47 */ |
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48 static const TUint8 KSecurityRangesPolicy[KRangeCount] = |
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49 { |
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50 CPolicyServer::ECustomCheck |
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51 }; |
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52 |
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53 |
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54 /** |
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55 * The complete policy structure |
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56 */ |
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57 static const CPolicyServer::TPolicy KPolicy = |
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58 { |
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59 CPolicyServer::EAlwaysPass, |
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60 KRangeCount, |
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61 KSecurityRanges, |
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62 KSecurityRangesPolicy, |
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63 NULL, |
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64 }; |
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65 |
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66 |
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67 /** |
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68 * Secure ID of the Active Idle (ailaunch.exe) |
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69 */ |
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70 static _LIT_SECURE_ID( KSidActiveIdle, 0x102750F0 ); |
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71 |
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72 |
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73 |
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74 // --------------------------------------------------------------------------- |
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75 // CWsfServer::NewLC |
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76 // --------------------------------------------------------------------------- |
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77 // |
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78 CWsfServer* CWsfServer::NewLC() |
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79 { |
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80 CWsfServer* snifferServer = new (ELeave) CWsfServer( |
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81 CActive::EPriorityHigh ); |
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82 CleanupStack::PushL( snifferServer ); |
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83 snifferServer->ConstructL(); |
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84 snifferServer->StartL( KWlanSnifferServerName ); |
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85 |
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86 return snifferServer; |
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87 } |
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88 |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // CWsfServer::NewSessionL |
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92 // --------------------------------------------------------------------------- |
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93 // |
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94 CSession2* CWsfServer::NewSessionL( const TVersion& aVersion, |
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95 const RMessage2& /*aMessage*/) const |
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96 { |
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97 LOG_ENTERFN( "CWsfServer::NewSessionL" ); |
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98 // check we're the right version |
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99 TVersion v( KWlanSnifferServerMajor, |
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100 KWlanSnifferServerMinor, |
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101 KWlanSnifferServerBuild ); |
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102 |
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103 if ( !User::QueryVersionSupported( v, aVersion ) ) |
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104 { |
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105 User::Leave( KErrNotSupported ); |
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106 } |
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107 |
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108 // make new session |
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109 CSession2* newSession = CWsfSession::NewL( |
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110 const_cast<CWsfServer&>( *this ) ); |
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111 |
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112 return newSession; |
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113 } |
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114 |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // CWsfServer::CWsfServer |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 CWsfServer::CWsfServer( TInt aPriority ): |
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121 CPolicyServer( aPriority, KPolicy ), |
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122 iClientCount( 0 ) |
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123 { |
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124 } |
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125 |
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126 |
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127 // --------------------------------------------------------------------------- |
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128 // CWsfServer::~CWsfServer |
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129 // --------------------------------------------------------------------------- |
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130 // |
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131 CWsfServer::~CWsfServer() |
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132 { |
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133 delete iCloser; |
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134 delete iEngine; |
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135 } |
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136 |
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137 |
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138 // --------------------------------------------------------------------------- |
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139 // CWsfServer::ConstructL |
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140 // --------------------------------------------------------------------------- |
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141 // |
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142 void CWsfServer::ConstructL() |
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143 { |
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144 iCloser = CWsfServerCloser::NewL(); |
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145 |
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146 iEngine = CWsfEngine::NewL( *iCloser ); |
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147 |
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148 // start the closing up procedure |
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149 // so we won't be left running if no clients would appear |
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150 iCloser->WaitForClients( EFalse ); |
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151 |
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152 } |
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153 |
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154 |
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155 // --------------------------------------------------------------------------- |
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156 // CWsfServer::ClientRelease |
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157 // --------------------------------------------------------------------------- |
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158 // |
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159 void CWsfServer::ClientRelease() |
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160 { |
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161 LOG_ENTERFN( "CWsfServer::ClientRelease" ); |
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162 --iClientCount; |
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163 |
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164 // even if there are no clients, we might need to keep the server alive |
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165 // to maintain the connection or clean up IAPs properly |
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166 if ( !iClientCount ) |
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167 { |
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168 |
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169 // The last client is released. |
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170 // Iap deletion must not suppress anymore. Make sure the flag is off. |
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171 iEngine->ResetSuppressIapDeletion(); |
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172 |
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173 // From this point on, the server is kept alive to wait for connection notifications if necessary. |
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174 // E.g. browser could be launched by sniffer and WLAN connection still exists after sniffer shut down, |
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175 // server waits for connection lost callback and cleans up temporary IAPs when connection is closed. |
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176 |
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177 // If no connections are available, make sure the the server is NOT kept alive to wait |
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178 // browser exit, because the server is not set to monitor those notifications directly. |
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179 if( !iEngine->IsConnected() ) |
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180 { |
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181 iCloser->WaitForBrowserExit( EFalse ); |
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182 } |
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183 |
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184 iCloser->WaitForClients( EFalse ); |
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185 } |
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186 } |
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187 |
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188 |
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189 // --------------------------------------------------------------------------- |
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190 // CWsfServer::ClientAttach |
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191 // --------------------------------------------------------------------------- |
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192 // |
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193 void CWsfServer::ClientAttach() |
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194 { |
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195 LOG_ENTERFN( "CWsfServer::ClientAttach" ); |
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196 iCloser->Cancel(); |
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197 ++iClientCount; |
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198 |
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199 iCloser->WaitForClients( ETrue ); |
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200 } |
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201 |
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202 |
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203 // --------------------------------------------------------------------------- |
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204 // CWsfServer::Engine |
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205 // --------------------------------------------------------------------------- |
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206 // |
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207 CWsfEngine* CWsfServer::Engine() |
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208 { |
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209 return iEngine; |
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210 } |
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211 |
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212 |
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213 // --------------------------------------------------------------------------- |
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214 // CWsfServer::RunServer |
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215 // --------------------------------------------------------------------------- |
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216 // |
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217 TInt CWsfServer::RunServer() |
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218 { |
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219 CTrapCleanup* cleanup = CTrapCleanup::New(); |
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220 TInt ret = KErrNoMemory; |
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221 if ( cleanup ) |
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222 { |
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223 TRAP( ret, CWsfServer::RunServerL() ); |
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224 delete cleanup; |
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225 } |
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226 |
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227 if ( ret != KErrNone ) |
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228 { |
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229 // Signal the client that server creation failed |
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230 RProcess::Rendezvous( ret ); |
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231 } |
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232 |
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233 return KErrNone; |
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234 } |
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235 |
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236 |
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237 // --------------------------------------------------------------------------- |
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238 // CWsfServer::RunServerL |
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239 // --------------------------------------------------------------------------- |
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240 // |
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241 void CWsfServer::RunServerL() |
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242 { |
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243 // Create and install the active scheduler we need |
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244 CActiveScheduler *as = new (ELeave) CActiveScheduler; |
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245 CleanupStack::PushL( as ); |
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246 CActiveScheduler::Install( as ); |
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247 |
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248 // Create server |
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249 CWsfServer::NewLC(); |
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250 |
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251 // Initialisation complete, now signal the client |
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252 User::LeaveIfError( RThread().RenameMe( KWlanSnifferServerName ) ); |
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253 RProcess::Rendezvous( KErrNone ); |
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254 |
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255 // Ready to run |
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256 CActiveScheduler::Start(); |
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257 |
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258 // Cleanup the server and scheduler |
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259 CleanupStack::PopAndDestroy( 2, as ); |
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260 } |
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261 |
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262 |
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263 // --------------------------------------------------------------------------- |
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264 // CWsfServer::RunError |
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265 // --------------------------------------------------------------------------- |
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266 // |
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267 TInt CWsfServer::RunError( TInt /*aError*/ ) |
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268 { |
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269 return KErrNone; |
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270 } |
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271 |
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272 |
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273 // --------------------------------------------------------------------------- |
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274 // CWsfServer::E32Main |
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275 // --------------------------------------------------------------------------- |
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276 // |
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277 TInt E32Main() |
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278 { |
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279 TInt error( KErrNone ); |
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280 error = CWsfServer::RunServer(); |
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281 return error; |
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282 } |
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283 |
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284 |
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285 // --------------------------------------------------------------------------- |
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286 // CWsfServer::CustomSecurityCheckL |
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287 // --------------------------------------------------------------------------- |
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288 // |
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289 CPolicyServer::TCustomResult CWsfServer::CustomSecurityCheckL( |
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290 const RMessage2& aMsg, |
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291 TInt& /*aAction*/, |
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292 TSecurityInfo& /*aMissing*/ ) |
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293 { |
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294 TCustomResult ret = EFail; |
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295 |
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296 switch ( aMsg.Function() ) |
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297 { |
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298 // NULL CAPABILITIES |
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299 case ESnifferCmdNotifyEvents: |
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300 case ESnifferCmdCancelNotifyEvents: |
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301 case ESnifferCmdIsScanEnabled: |
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302 case ESnifferCmdCancelAll: |
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303 case ESnifferCmdConnectionName: |
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304 case ESnifferCmdIsConnected: |
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305 case ESnifferCmdMonitorAp: |
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306 { |
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307 ret = EPass; |
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308 break; |
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309 } |
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310 |
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311 // CAPABILITY NEEDED |
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312 case ESnifferCmdActivateScan: |
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313 case ESnifferCmdDisableScan: |
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314 case ESnifferCmdWlanDataSize: |
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315 case ESnifferCmdGetWlanInfo: |
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316 case ESnifferCmdConnectedDetails: |
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317 case ESnifferCmdConnect: |
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318 case ESnifferCmdDisconnect: |
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319 case ESnifferCmdRequestScan: |
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320 case ESnifferCmdAbortScanning: |
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321 case ESnifferCmdAbortConnecting: |
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322 case ESnifferCmdSetIapPersistence: |
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323 case ESnifferCmdControlDisconnectTimer: |
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324 { |
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325 // if it is called from ailaunch.exe |
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326 // disgusting workaround |
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327 if ( aMsg.SecureId() == KSidActiveIdle ) |
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328 { |
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329 ret = EPass; |
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330 } |
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331 else |
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332 { |
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333 ret = ( aMsg.HasCapability( ECapabilityNetworkServices ) && |
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334 aMsg.HasCapability( ECapabilityNetworkControl ) )? |
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335 EPass : EFail; |
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336 } |
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337 break; |
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338 } |
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339 |
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340 default: |
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341 { |
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342 ret = EPass; |
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343 break; |
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344 } |
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345 |
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346 } |
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347 |
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348 |
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349 return ret; |
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350 } |
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351 |
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