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1 /* |
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2 * Copyright (c) 2006-2008 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: Main class for UsbMscPersonality |
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15 * |
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16 */ |
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17 |
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18 #include <centralrepository.h> |
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19 #include <AknSkinsInternalCRKeys.h> |
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20 #include <usbman.h> |
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21 #include <e32property.h> |
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22 #include <tusbpersonalityparams.h> |
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23 #include <startupdomainpskeys.h> |
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24 #include <SettingsInternalCRKeys.h> |
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25 #include "CUsbActiveMscHandlerMdrv.h" |
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26 #include "CUsbMscPersonalityTimer.h" |
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27 #include "debug.h" |
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28 |
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29 #include <featmgr.h> // for checking DE feature |
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30 #include <DevEncSessionBase.h> |
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31 #include <DevEncEngineConstants.h> |
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32 |
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33 // LITERALS |
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34 _LIT( KMsFs,"MSFS.FSY" ); |
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35 _LIT( KMsFsyName, "MassStorageFileSystem" ); |
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36 _LIT( KFatFsyName, "Fat" ); |
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37 |
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38 const TUint32 KDismountFatTimeoutValue = 5000000; // 5 seconds |
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39 const TInt KMscDismountRetryCount = 3; |
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40 const TUint32 KWaitMscToComplete = 50000; // 50 ms |
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41 |
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42 // ============================ MEMBER FUNCTIONS ============================== |
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43 |
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44 // ---------------------------------------------------------------------------- |
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45 // C++ default constructor can NOT contain any code, that |
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46 // might leave. |
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47 // ---------------------------------------------------------------------------- |
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48 // |
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49 CUsbActiveMscHandler::CUsbActiveMscHandler(TUsbPersonalityParams& aPersonalityParams) |
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50 : CUsbPersonalityPlugin(aPersonalityParams), iMountChanged(EFalse) |
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51 { |
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52 CActiveScheduler::Add( this ); |
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53 } |
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54 |
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55 // ---------------------------------------------------------------------------- |
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56 // Symbian 2nd phase constructor can leave. |
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57 // ---------------------------------------------------------------------------- |
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58 // |
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59 void CUsbActiveMscHandler::ConstructL() |
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60 { |
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61 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler: ConstructL" ) ); |
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62 |
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63 iDismountFatTimer = new (ELeave) CUsbMscPersonalityTimer( |
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64 TCallBack(DismountFatCallBack, this), KDismountFatTimeoutValue); |
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65 |
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66 iMscState = EUsbMscStateIdle; |
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67 User::LeaveIfError(iFs.Connect()); |
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68 iRepository = CRepository::NewL(KCRUidSecuritySettings); |
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69 LoadDevEncSessionL(); |
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70 } |
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71 |
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72 // ---------------------------------------------------------------------------- |
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73 // Two-phased constructor. |
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74 // ---------------------------------------------------------------------------- |
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75 // |
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76 CUsbActiveMscHandler* CUsbActiveMscHandler::NewL(TUsbPersonalityParams& aPersonalityParams) |
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77 { |
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78 CUsbActiveMscHandler* self |
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79 = new ( ELeave ) CUsbActiveMscHandler(aPersonalityParams); |
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80 CleanupStack::PushL( self ); |
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81 self->ConstructL(); |
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82 CleanupStack::Pop(); // pop self |
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83 return self; |
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84 } |
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85 |
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86 // ---------------------------------------------------------------------------- |
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87 // Destructor |
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88 // ---------------------------------------------------------------------------- |
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89 // |
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90 CUsbActiveMscHandler::~CUsbActiveMscHandler() |
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91 { |
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92 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::~CUsbActiveMscHandler" ) ); |
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93 |
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94 if ( iMountChanged ) |
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95 { |
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96 UnmountMassStorage(); |
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97 } |
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98 |
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99 RemoveMassStorageFileSystem(); |
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100 |
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101 Cancel(); |
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102 delete iDismountFatTimer; |
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103 |
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104 iDrives.Close(); |
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105 iFs.Close(); |
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106 |
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107 delete iRepository; |
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108 UnloadDevEncSession(); |
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109 } |
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110 |
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111 // ---------------------------------------------------------------------------- |
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112 // State machine for the class. |
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113 // ---------------------------------------------------------------------------- |
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114 // |
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115 void CUsbActiveMscHandler::RunL() |
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116 { |
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117 FTRACE( FPrint( |
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118 _L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL error = %d" ), |
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119 iStatus.Int() ) ); |
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120 FTRACE( FPrint( |
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121 _L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL iMscState = %d" ), |
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122 iMscState ) ); |
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123 switch (iMscState) |
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124 { |
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125 case EUsbMscStateMounting: |
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126 // DismountFatTimer is not exprired but RunL called with error |
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127 if (KErrNone!=iStatus.Int()) |
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128 { |
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129 /* Print error code, drive name and wait for timer to be expired expired (5sec) |
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130 * which will call forcibly dismount*/ |
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131 if(KErrNone!=iStatus.Int() ) |
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132 { |
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133 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL*** Drive Dismounting failed ") ); |
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134 FTRACE( FPrint( |
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135 _L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL*** Dismount failed on DriveIndex= %d" ), |
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136 iDriveIndex)); |
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137 FTRACE( FPrint( |
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138 _L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL*** Dismount failed on Drive = %d" ), |
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139 iDrives[iDriveIndex]) ); |
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140 } |
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141 } |
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142 else |
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143 { |
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144 //dismount FAT done for one drive |
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145 if (iDismountFatTimer) |
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146 { |
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147 iDismountFatTimer->Cancel(); |
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148 } |
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149 StartDismountFat(); |
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150 } |
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151 break; |
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152 case EUsbMscStateForciblyDismounting: |
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153 // If Even ForciblyDismount failed with error we cannot do much here, and just print Error message |
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154 if(KErrNone!=iStatus.Int() ) |
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155 { |
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156 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL*** FS has seroius dismounting problem" ) ); |
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157 } |
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158 // we change the state and continue with other drives |
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159 iMscState = EUsbMscStateMounting; |
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160 StartDismountFat(); |
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161 break; |
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162 default: |
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163 break; |
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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 // Not possible to come here. |
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169 // ---------------------------------------------------------------------------- |
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170 // |
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171 TInt CUsbActiveMscHandler::RunError( TInt /*aError*/ ) |
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172 { |
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173 return KErrNone; |
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174 } |
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175 |
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176 // ---------------------------------------------------------------------------- |
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177 // This method always confirms the personality unloading. |
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178 // ---------------------------------------------------------------------------- |
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179 // |
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180 void CUsbActiveMscHandler::ConfirmPersonalityUnload(TRequestStatus& aStatus) |
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181 { |
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182 FTRACE( FPrint( |
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183 _L( "[USBWATCHER]\tCUsbActiveMscHandler: ConfirmPersonalityUnload iMscState = %d" ), |
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184 iMscState ) ); |
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185 iRequestStatus = &aStatus; |
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186 aStatus = KRequestPending; |
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187 CompleteRequest(KErrNone); |
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188 } |
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189 |
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190 // ---------------------------------------------------------------------------- |
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191 // Called by personality handler when personality start needs to be |
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192 // prepared. Adds mass storage file system. |
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193 // ---------------------------------------------------------------------------- |
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194 // |
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195 void CUsbActiveMscHandler::PreparePersonalityStart(TRequestStatus& aStatus) |
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196 { |
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197 TInt ret = KErrNone; |
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198 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler: PreparePersonalityStart" ) ); |
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199 iRequestStatus = &aStatus; |
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200 aStatus = KRequestPending; |
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201 iMscState = EUsbMscStateStarting; |
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202 ret = AddMassStorageFileSystem(); |
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203 CompleteRequest(ret); |
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204 } |
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205 |
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206 // ---------------------------------------------------------------------------- |
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207 // Called by personality handler when personality start needs to be finished. |
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208 // ---------------------------------------------------------------------------- |
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209 // |
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210 void CUsbActiveMscHandler::FinishPersonalityStart(TRequestStatus& aStatus) |
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211 { |
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212 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler: FinishPersonalityStart" ) ); |
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213 iRequestStatus = &aStatus; |
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214 aStatus = KRequestPending; |
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215 CompleteRequest(KErrNone); |
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216 } |
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217 |
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218 // ---------------------------------------------------------------------------- |
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219 // Called by personality handler when personality stop needs to be prepared. |
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220 // Changes state of the personality. |
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221 // ---------------------------------------------------------------------------- |
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222 // |
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223 void CUsbActiveMscHandler::PreparePersonalityStop(TRequestStatus& aStatus) |
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224 { |
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225 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler: PreparePersonalityStop" ) ); |
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226 |
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227 //Mounting may be ongoing |
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228 iRequestStatus = NULL; //do not complete in DoCancel |
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229 Cancel(); |
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230 |
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231 iRequestStatus = &aStatus; |
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232 aStatus = KRequestPending; |
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233 |
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234 iMscState = EUsbMscStateStopping; |
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235 |
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236 CompleteRequest(KErrNone); |
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237 } |
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238 |
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239 // ---------------------------------------------------------------------------- |
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240 // Called by personality handler when personality stop needs to be finished. |
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241 // ---------------------------------------------------------------------------- |
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242 // |
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243 void CUsbActiveMscHandler::FinishPersonalityStop(TRequestStatus& aStatus) |
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244 { |
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245 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler: FinishPersonalityStop")); |
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246 |
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247 //Mounting may be ongoing |
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248 iRequestStatus = NULL; //do not complete in DoCancel |
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249 Cancel(); |
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250 |
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251 //unmount in case device state not yet Undefined |
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252 if (iMountChanged) |
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253 { |
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254 UnmountMassStorage(); |
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255 } |
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256 |
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257 RemoveMassStorageFileSystem(); |
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258 |
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259 // Remove all queries shown by this personality |
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260 iPersonalityParams.PersonalityNotifier().CancelQuery(KQueriesNotifier); |
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261 |
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262 iMscState = EUsbMscStateIdle; |
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263 |
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264 iRequestStatus = &aStatus; |
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265 aStatus = KRequestPending; |
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266 CompleteRequest(KErrNone); |
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267 } |
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268 |
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269 // ---------------------------------------------------------------------------- |
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270 // Indicates USB device state change to personality. |
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271 // There is no need to Cancel, because Confirm unload can not be ongoing |
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272 // before Address state. |
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273 // ---------------------------------------------------------------------------- |
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274 // |
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275 void CUsbActiveMscHandler::StateChangeNotify( TUsbDeviceState aState ) |
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276 { |
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277 FTRACE( FPrint( |
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278 _L( "[USBWATCHER]\tCUsbActiveMscHandler::StateChangeNotify aState = %d" ), |
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279 aState ) ); |
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280 switch( aState ) |
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281 { |
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282 //Note that Address state may be caused also by cable disconnection. |
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283 case EUsbDeviceStateAddress: |
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284 { |
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285 //Do not start mounting if already ongoing |
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286 //e.g. fast state changes Address-->Suspended-->Address |
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287 if ( !iMountChanged && (GetDrives() == KErrNone) ) |
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288 { |
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289 if (iDrives.Count()) |
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290 { |
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291 iDriveIndex = iDrives.Count(); |
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292 StartDismountFat(); |
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293 } |
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294 else |
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295 { |
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296 if ( GlobalSystemState() == EUsbGSStateCategoryNormal ) |
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297 { |
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298 // if the error is something abnormal, note still needs to be shown |
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299 iQueryParams().iQuery = EUSBStorageMediaFailure; |
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300 iPersonalityParams.PersonalityNotifier().ShowQuery( |
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301 KQueriesNotifier, iQueryParams, iDummy); |
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302 } |
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303 } |
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304 } |
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305 |
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306 } |
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307 break; |
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308 case EUsbDeviceStateUndefined: |
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309 { |
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310 if (iMountChanged) |
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311 { |
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312 UnmountMassStorage(); |
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313 iMscState = EUsbMscStateIdle; |
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314 } |
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315 } |
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316 break; |
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317 default: |
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318 break; |
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319 } |
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320 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::StateChangeNotify completed")); |
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321 } |
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322 |
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323 // ---------------------------------------------------------------------------- |
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324 // Start FAT dismounting sequence. |
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325 // ---------------------------------------------------------------------------- |
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326 // |
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327 void CUsbActiveMscHandler::StartDismountFat() |
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328 { |
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329 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::StartDismountFat")); |
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330 iMountChanged = ETrue; |
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331 |
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332 if (!iDriveIndex) |
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333 { |
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334 //FAT dismounted from all the drives |
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335 MountMassStorage(); |
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336 //MSFS mounted to all the drives |
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337 iMscState = EUsbMscStateFileTransfer; |
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338 } |
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339 else |
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340 { |
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341 --iDriveIndex; |
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342 FTRACE( FPrint( |
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343 _L( "[USBWATCHER]\tCUsbActiveMscHandler::StartDismountFat iDriveIndex = %d " ), |
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344 iDriveIndex) ); |
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345 // see if FAT file system exists in drive and if it does, try to dismount it |
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346 DismountFat(iDrives[iDriveIndex]); |
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347 } |
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348 } |
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349 |
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350 // ---------------------------------------------------------------------------- |
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351 // Add mass storage file system |
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352 // ---------------------------------------------------------------------------- |
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353 // |
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354 TInt CUsbActiveMscHandler::AddMassStorageFileSystem() |
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355 { |
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356 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::AddMassStorageFileSystem")); |
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357 |
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358 TInt ret = KErrNone; |
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359 |
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360 // To be done only once during the lifetime of this object: |
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361 // 5b. add Mass Storage File System to the file server. |
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362 // (done like this to avoid Symbian crash) |
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363 if (!iMsfsAdded) |
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364 { |
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365 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::AddMassStorageFileSystem: Loading MSFS" ) ); |
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366 ret = iFs.AddFileSystem(KMsFs); |
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367 if ((ret != KErrNone) && (ret != KErrAlreadyExists)) |
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368 { |
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369 FTRACE( FPrint( |
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370 _L( "[USBWATCHER]\tCUsbActiveMscHandler::AddMassStorageFileSystem: ERROR: MSFS loading failed. Code: %d " ), |
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371 ret) ); |
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372 } |
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373 else |
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374 { |
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375 iMsfsAdded = ETrue; |
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376 if (ret == KErrAlreadyExists) |
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377 { |
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378 ret = KErrNone; |
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379 } |
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380 } |
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381 } |
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382 FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::AddMassStorageFileSystem: ret=%d"), ret)); |
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383 return ret; |
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384 } |
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385 |
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386 // ---------------------------------------------------------------------------- |
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387 // Remove mass storage file system (MSFS) from file server |
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388 // ---------------------------------------------------------------------------- |
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389 // |
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390 void CUsbActiveMscHandler::RemoveMassStorageFileSystem() |
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391 { |
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392 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::RemoveMassStorageFileSystem")); |
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393 if (iMsfsAdded) |
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394 { |
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395 if (iFs.RemoveFileSystem(KMsFsyName) != KErrNone) |
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396 { |
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397 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler: RemoveMassStorageFileSystem: MSFS not removed from file server." ) ); |
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398 } |
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399 else |
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400 { |
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401 iMsfsAdded = EFalse; |
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402 } |
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403 } |
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404 } |
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405 |
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406 // ---------------------------------------------------------------------------- |
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407 // Mount mass storage to all drives. Does not mount in charging state if device |
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408 // locked. |
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409 // ---------------------------------------------------------------------------- |
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410 // |
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411 void CUsbActiveMscHandler::MountMassStorage() |
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412 { |
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413 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::MountMassStorage")); |
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414 TInt ret = KErrNone; |
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415 TBool locked = DeviceLocked(); |
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416 TUsbGlobalSystemState state = GlobalSystemState(); |
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417 FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::MountMassStorage: locked=%d, state=%d"), locked, state)); |
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418 |
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419 if ( (state == EUsbGSStateCategoryNormal) || |
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420 (!locked && (state==EUsbGSStateCharging)) ) |
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421 { |
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422 for ( TInt driveIndex = iDrives.Count() - 1; driveIndex >= 0; driveIndex-- ) |
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423 { |
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424 // Try mount Mass Storage File System into drive. |
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425 ret = TryMountMassStorage(iDrives[driveIndex]); |
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426 if (ret != KErrNone) |
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427 { |
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428 FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::MountMassStorage: driveIndex=%d ret=%d"), |
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429 driveIndex, ret)); |
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430 } |
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431 } |
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432 } |
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433 } |
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434 |
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435 // ---------------------------------------------------------------------------- |
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436 // Return removable drives in system. |
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437 // ---------------------------------------------------------------------------- |
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438 // |
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439 TInt CUsbActiveMscHandler::GetDrives() |
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440 { |
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441 TInt i; |
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442 TInt ret = KErrNone; |
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443 |
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444 // go through drives A-Z except for C and Z |
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445 TDriveInfo driveInfo; |
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446 iDrives.Reset(); |
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447 |
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448 for (i = EDriveA; i < EDriveZ; i++) |
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449 { |
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450 // skip drive C: and get drive info |
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451 if ( EDriveC == i ) |
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452 { |
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453 continue; |
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454 } |
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455 |
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456 // unmounting FAT from the card when a decrypting/encrypting operation |
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457 // is ongoing will corrupt the card, so it must be prevented. |
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458 if( ( i == EDriveE ) || ( i == EDriveF ) ) |
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459 { |
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460 if(IsEncProtectionRequired(i)) |
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461 { |
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462 FTRACE( FPrint( _L(" Skipping drive %d"), i)); |
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463 continue; |
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464 } |
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465 } |
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466 iFs.Drive(driveInfo, i); |
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467 |
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468 // if drive is not removable and local, it can be skipped |
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469 if ((driveInfo.iDriveAtt & (KDriveAttRemovable | KDriveAttLocal)) |
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470 != (KDriveAttRemovable | KDriveAttLocal)) |
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471 { |
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472 continue; |
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473 } |
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474 |
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475 FTRACE( FPrint( |
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476 _L( "[USBWATCHER]\tCUsbActiveMscHandler::GetDrives, removable drive %d: MediaAtt: %d" ), |
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477 i,driveInfo.iMediaAtt ) ); |
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478 FTRACE( FPrint( |
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479 _L( "[USBWATCHER]\tCUsbActiveMscHandler::GetDrives, removable drive %d: Media info: %d" ), |
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480 i, driveInfo.iType ) ); |
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481 |
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482 // The memory card may be locked. No memory card password query is shown. |
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483 |
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484 FTRACE(FPrint( |
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485 _L("[USBWATCHER]\tCUsbActiveMscHandler::GetDrives: MMC inserted into drive %d"), |
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486 i) ); |
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487 ret = iDrives.Append(i); |
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488 } |
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489 |
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490 if (!iDrives.Count()) |
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491 { |
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492 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::GetDrives: No removable drives found." ) ); |
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493 |
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494 iQueryParams().iQuery = EUSBStorageMediaFailure; |
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495 iPersonalityParams.PersonalityNotifier().ShowQuery(KQueriesNotifier, iQueryParams, iDummy); |
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496 |
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497 return KErrNotFound; |
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498 } |
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499 |
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500 return ret; |
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501 } |
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502 |
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503 // ---------------------------------------------------------------------------- |
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504 // Dismounts FAT File System. |
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505 // ---------------------------------------------------------------------------- |
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506 // |
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507 void CUsbActiveMscHandler::DismountFat( TInt aDrive ) |
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508 { |
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509 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::DismountFat" ) ); |
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510 |
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511 //nothing to do if FAT file system not in aDrive |
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512 if ( GetDriveFileSystem(aDrive) != EFsyFat ) |
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513 { |
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514 FTRACE( FPrint( |
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515 _L( "[USBWATCHER]\tCUsbActiveMscHandler::DismountFat: FAT FSY not found in drive %d" ), |
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516 aDrive ) ); |
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517 //continue to the next drive |
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518 TRequestStatus* status = &iStatus; |
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519 User::RequestComplete(status, KErrNotFound); |
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520 SetActive(); |
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521 } |
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522 else |
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523 { |
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524 //FAT file system exists in aDrive -> dismount it |
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525 iFs.NotifyDismount(iDrives[iDriveIndex], iStatus, EFsDismountNotifyClients); |
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526 SetActive(); |
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527 |
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528 //Give some time for applications before dismounting forcefully |
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529 iDismountFatTimer->Start(); |
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530 } |
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531 |
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532 iMscState = EUsbMscStateMounting; |
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533 } |
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534 |
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535 // ---------------------------------------------------------------------------- |
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536 // Mounts Mass Storage File System into drive. |
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537 // ---------------------------------------------------------------------------- |
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538 // |
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539 TInt CUsbActiveMscHandler::TryMountMassStorage( TInt aDrive ) |
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540 { |
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541 FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountMassStorage" ) ); |
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542 |
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543 TInt ret(KErrNone); |
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544 |
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545 ret = iFs.MountFileSystem( KMsFsyName, aDrive ); |
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546 FTRACE( FPrint( |
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547 _L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountMassStorage: fs mount ret %d" ), |
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548 ret ) ); |
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549 |
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550 if ( ret == KErrNotSupported ) |
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551 { |
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552 // there is an error in environment and MSFS has been mounted into |
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553 // drive but mounting has been unsuccessful -> remove it |
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554 FTRACE( FPrint( |
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555 _L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountMassStorage: MS FSY not supported in drive %d" ), |
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556 aDrive ) ); |
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557 return ret; |
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558 } |
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559 else if ((ret != KErrNone) && (ret != KErrNotReady)) |
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560 { |
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561 FTRACE( FPrint( |
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562 _L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountMassStorage: ERROR %d in MS FSY mounting in drive %d" ), |
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563 ret, aDrive ) ); |
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564 return ret; |
|
565 } |
|
566 |
|
567 FTRACE( FPrint( |
|
568 _L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountMassStorage: MS FSY mounted in drive %d" ), |
|
569 aDrive ) ); |
|
570 |
|
571 return KErrNone; |
|
572 } |
|
573 |
|
574 // ---------------------------------------------------------------------------- |
|
575 // Dismounts Mass Storage File System from the drive. |
|
576 // ---------------------------------------------------------------------------- |
|
577 // |
|
578 TInt CUsbActiveMscHandler::TryDismountMassStorage( TInt aDrive ) |
|
579 { |
|
580 FTRACE( FPrint( |
|
581 _L( "[USBWATCHER]\tCUsbActiveMscHandler::TryDismountMassStorage: drive %d" ), |
|
582 aDrive ) ); |
|
583 |
|
584 // initializations |
|
585 TInt ret = KErrNone; |
|
586 TInt numTry = KMscDismountRetryCount; // How many times to try to dismount the drive |
|
587 |
|
588 //only dismount if mass storage mounted |
|
589 if ( GetDriveFileSystem(aDrive) == EFsyMassStorage ) |
|
590 { |
|
591 while ( numTry-- ) |
|
592 { |
|
593 ret = iFs.DismountFileSystem( KMsFsyName, aDrive ); |
|
594 if ( ret != KErrNone ) |
|
595 { |
|
596 if ( ret == KErrInUse ) |
|
597 { |
|
598 // It may be that USB mass storage transfer is still in use |
|
599 // when USB File transfer mode is tried to be distangled (this |
|
600 // method is entered). Wait for a while and try again. |
|
601 FTRACE( FPrint( |
|
602 _L( "[USBWATCHER]\tCUsbActiveMscHandler: TryDismountMassStorage: Waiting MSFS dismounting for drive %d" ), |
|
603 aDrive ) ); |
|
604 RTimer timer; |
|
605 TRequestStatus timerStatus; |
|
606 timer.CreateLocal(); // Create for this thread |
|
607 timer.After(timerStatus, KWaitMscToComplete); |
|
608 User::WaitForRequest( timerStatus ); |
|
609 if ( timerStatus != KErrNone ) |
|
610 { |
|
611 FTRACE( FPrint( |
|
612 _L( "[USBWATCHER]\tCUsbActiveMscHandler::TryDismountMassStorage: ERROR: %d wait timer fails." ), |
|
613 timerStatus.Int() ) ); |
|
614 } |
|
615 timer.Close(); |
|
616 } |
|
617 else |
|
618 { |
|
619 FTRACE( FPrint( |
|
620 _L( "[USBWATCHER]\tCUsbActiveMscHandler: TryDismountMassStorage: ERROR %d in dismounting MSFS from drive %d" ), |
|
621 ret, aDrive ) ); |
|
622 break; |
|
623 } |
|
624 } |
|
625 else |
|
626 { |
|
627 FTRACE( FPrint( |
|
628 _L( "[USBWATCHER]\tCUsbActiveMscHandler: TryDismountMassStorage: MSFS dismounted from drive %d" ), |
|
629 aDrive ) ); |
|
630 break; |
|
631 } |
|
632 } //while |
|
633 |
|
634 if ( ret == KErrInUse ) |
|
635 { |
|
636 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::TryDismountMassStorage using force")); |
|
637 TRequestStatus dismountStatus; |
|
638 iFs.NotifyDismount(aDrive, dismountStatus, EFsDismountForceDismount); |
|
639 User::WaitForRequest(dismountStatus); |
|
640 ret = dismountStatus.Int(); |
|
641 } |
|
642 |
|
643 } |
|
644 else |
|
645 { |
|
646 FTRACE( FPrint( |
|
647 _L( "[USBWATCHER]\tCUsbActiveMscHandler: TryDismountMassStorage: No MSFS on drive %d" ), |
|
648 aDrive ) ); |
|
649 } |
|
650 |
|
651 FTRACE( FPrint( |
|
652 _L( "[USBWATCHER]\tCUsbActiveMscHandler::TryDismountMassStorage: returning %d" ), |
|
653 ret ) ); |
|
654 return ret; |
|
655 } |
|
656 |
|
657 // ---------------------------------------------------------------------------- |
|
658 // Mounts FAT File System to the drive |
|
659 // ---------------------------------------------------------------------------- |
|
660 // |
|
661 TInt CUsbActiveMscHandler::TryMountFat( TInt aDrive ) |
|
662 { |
|
663 FTRACE( FPrint( |
|
664 _L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountFat: drive %d" ), |
|
665 aDrive ) ); |
|
666 |
|
667 // initializations |
|
668 TInt ret = KErrNone; |
|
669 |
|
670 // Mount back FAT only if there is no mounted file system |
|
671 if ( GetDriveFileSystem(aDrive) == EFsyNone ) |
|
672 { |
|
673 ret = iFs.MountFileSystem( KFatFsyName, aDrive ); |
|
674 |
|
675 FTRACE( FPrint( |
|
676 _L( "[USBWATCHER]\tCUsbActiveMscHandler: TryMountFat: return %d in mounting FAT into drive %d" ), |
|
677 ret, aDrive ) ); |
|
678 |
|
679 if (ret != KErrNone) |
|
680 { |
|
681 FTRACE( FPrint( |
|
682 _L( "[USBWATCHER]\tCUsbActiveMscHandler: TryMountFat: ERROR %d in mounting FAT into drive %d" ), |
|
683 ret, aDrive ) ); |
|
684 } |
|
685 else |
|
686 { |
|
687 FTRACE( FPrint( |
|
688 _L( "[USBWATCHER]\tCUsbActiveMscHandler: TryMountFat: FAT mounted into drive %d" ), |
|
689 aDrive ) ); |
|
690 } |
|
691 } |
|
692 |
|
693 return ret; |
|
694 } |
|
695 |
|
696 // ---------------------------------------------------------------------------- |
|
697 // Standard active object cancellation function. |
|
698 // ---------------------------------------------------------------------------- |
|
699 // |
|
700 void CUsbActiveMscHandler::DoCancel() |
|
701 { |
|
702 FTRACE( FPrint( |
|
703 _L( "[USBWATCHER]\tCUsbActiveMscHandler: DoCancel iMscState=%d" ), |
|
704 iMscState ) ); |
|
705 |
|
706 //Remove all notes. The state may have changed after the confirm unload |
|
707 //is started. |
|
708 if (iMscState != EUsbMscStateForciblyDismounting) |
|
709 { |
|
710 iPersonalityParams.PersonalityNotifier().CancelAll(); |
|
711 } |
|
712 |
|
713 switch (iMscState) |
|
714 { |
|
715 case EUsbMscStateStarting: |
|
716 case EUsbMscStateStopping: |
|
717 break; |
|
718 |
|
719 case EUsbMscStateMounting: |
|
720 case EUsbMscStateForciblyDismounting: |
|
721 if (iDismountFatTimer) |
|
722 { |
|
723 iDismountFatTimer->Cancel(); |
|
724 } |
|
725 iFs.NotifyDismountCancel(); |
|
726 break; |
|
727 |
|
728 default: |
|
729 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::DoCancel: ERROR")); |
|
730 break; |
|
731 } |
|
732 |
|
733 CompleteRequest(KErrCancel); |
|
734 } |
|
735 |
|
736 // ---------------------------------------------------------------------------- |
|
737 // Complete request. |
|
738 // ---------------------------------------------------------------------------- |
|
739 // |
|
740 void CUsbActiveMscHandler::CompleteRequest(TInt aError) |
|
741 { |
|
742 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::CompleteRequest")); |
|
743 |
|
744 if (iRequestStatus) |
|
745 { |
|
746 User::RequestComplete(iRequestStatus, aError); |
|
747 iRequestStatus = NULL; |
|
748 } |
|
749 } |
|
750 |
|
751 // ---------------------------------------------------------------------------- |
|
752 // If client doesn't allow us to do dismount, let's force it. |
|
753 // ---------------------------------------------------------------------------- |
|
754 // |
|
755 TInt CUsbActiveMscHandler::DismountFatCallBack(TAny* aPtr) |
|
756 { |
|
757 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::DismountFatCallBack")); |
|
758 |
|
759 CUsbActiveMscHandler* handler = static_cast<CUsbActiveMscHandler *>(aPtr); |
|
760 |
|
761 handler->ForciblyDismountFat(); |
|
762 |
|
763 return KErrNone; |
|
764 } |
|
765 |
|
766 // ---------------------------------------------------------------------------- |
|
767 // Forced dismount is done over here. |
|
768 // ---------------------------------------------------------------------------- |
|
769 // |
|
770 void CUsbActiveMscHandler::ForciblyDismountFat() |
|
771 { |
|
772 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::ForciblyDismountFat")); |
|
773 |
|
774 //cancel won't complete, since there is no client request ongoing |
|
775 iMscState = EUsbMscStateForciblyDismounting; //do not close mode query |
|
776 Cancel(); |
|
777 FTRACE( FPrint( |
|
778 _L( "[USBWATCHER]\tCUsbActiveMscHandler::ForciblyDismountFat DriveIndex= %d" ), |
|
779 iDriveIndex)); |
|
780 FTRACE( FPrint( |
|
781 _L( "[USBWATCHER]\tCUsbActiveMscHandler::ForciblyDismountFat on Drive = %d" ), |
|
782 iDrives[iDriveIndex]) ); |
|
783 iFs.NotifyDismount(iDrives[iDriveIndex], iStatus, EFsDismountForceDismount); |
|
784 SetActive(); |
|
785 } |
|
786 |
|
787 |
|
788 TUsbGlobalSystemState CUsbActiveMscHandler::GlobalSystemState() |
|
789 { |
|
790 TInt state = EUsbGSStateUnknown; |
|
791 TUsbGlobalSystemState usbGlobalSysState = EUsbGSStateUnknown; |
|
792 TInt error = RProperty::Get( KPSUidStartup, KPSGlobalSystemState, state ); |
|
793 FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::GlobalSystemState: error %d, state %d"), error, state)); |
|
794 if ( (state == ESwStateNormalRfOn) || |
|
795 (state == ESwStateNormalRfOff) || |
|
796 (state == ESwStateNormalBTSap) ) |
|
797 { |
|
798 usbGlobalSysState = EUsbGSStateCategoryNormal; |
|
799 } |
|
800 else if ( state == ESwStateCharging ) |
|
801 { |
|
802 usbGlobalSysState = EUsbGSStateCharging; |
|
803 } |
|
804 |
|
805 return usbGlobalSysState;; |
|
806 } |
|
807 |
|
808 |
|
809 // ---------------------------------------------------------------------------- |
|
810 // Determine whether the device is locked or not |
|
811 // ---------------------------------------------------------------------------- |
|
812 // |
|
813 TBool CUsbActiveMscHandler::DeviceLocked() |
|
814 { |
|
815 TBool locked(EFalse); |
|
816 if ( GlobalSystemState() == EUsbGSStateCharging ) |
|
817 { |
|
818 if (AutoLockTime()>0 || AutoLockStatus()>0 ) |
|
819 { |
|
820 locked=ETrue; |
|
821 } |
|
822 } |
|
823 |
|
824 return locked; |
|
825 } |
|
826 |
|
827 // ---------------------------------------------------------------------------- |
|
828 // Read Lock time settings |
|
829 // Meant to be used only in Charging mode |
|
830 // ---------------------------------------------------------------------------- |
|
831 // |
|
832 TInt CUsbActiveMscHandler::AutoLockTime() |
|
833 { |
|
834 TInt lockTime(0); |
|
835 |
|
836 TInt ret = iRepository->Get(KSettingsAutoLockTime, lockTime); |
|
837 FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::LockeTime: ret=%d. LockTime=%d"), ret, lockTime)); |
|
838 |
|
839 return lockTime; |
|
840 } |
|
841 |
|
842 // ---------------------------------------------------------------------------- |
|
843 // Read Lock status settings |
|
844 // Meant to be used only in Charging mode |
|
845 // ---------------------------------------------------------------------------- |
|
846 // |
|
847 TInt CUsbActiveMscHandler::AutoLockStatus() |
|
848 { |
|
849 TInt lockStatus(0); |
|
850 |
|
851 TInt ret = iRepository->Get(KSettingsAutolockStatus, lockStatus); |
|
852 FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::AutoLockStatus: ret=%d. lockStatus=%d"), ret, lockStatus)); |
|
853 |
|
854 return lockStatus; |
|
855 } |
|
856 |
|
857 // ---------------------------------------------------------------------------- |
|
858 // Unmount mass storage dismounts mass storage and mounts FAT for all drives. |
|
859 // ---------------------------------------------------------------------------- |
|
860 // |
|
861 void CUsbActiveMscHandler::UnmountMassStorage() |
|
862 { |
|
863 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::UnmountMassStorage")); |
|
864 //Mounting may be ongoing. Note that the confirm unload query and the mode |
|
865 //query are closed. |
|
866 Cancel(); |
|
867 |
|
868 TInt index = iDrives.Count(); |
|
869 while ( index > 0 ) |
|
870 { |
|
871 --index; |
|
872 TInt drive = iDrives[index]; |
|
873 // First dismount mounted Mass Storage File System |
|
874 TryDismountMassStorage(iDrives[index]); |
|
875 // Then mount back previously dismounted FAT File System |
|
876 TryMountFat(iDrives[index]); |
|
877 } |
|
878 iMountChanged = EFalse; |
|
879 } |
|
880 |
|
881 // ---------------------------------------------------------------------------- |
|
882 // Return the mounted file system. |
|
883 // ---------------------------------------------------------------------------- |
|
884 // |
|
885 TUsbFileSystem CUsbActiveMscHandler::GetDriveFileSystem( TInt aDrive ) |
|
886 { |
|
887 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::GetDriveFileSystem")); |
|
888 TUsbFileSystem fileSystem = EFsyNone; |
|
889 TBuf<KMaxFullName> name; |
|
890 TInt err = iFs.FileSystemName( name, aDrive ); |
|
891 if ( (err == KErrNone) && (name.Length() > 0) ) |
|
892 { |
|
893 |
|
894 FTRACE( FPrint(_L( "[USBWATCHER]\tCUsbActiveMscHandler: GetDriveFileSystem: aDrive=%d name=%S" ), |
|
895 aDrive, &name ) ); |
|
896 |
|
897 if (name.CompareF( KMsFsyName ) == 0) |
|
898 { |
|
899 fileSystem = EFsyMassStorage; |
|
900 } |
|
901 else if (name.CompareF( KFatFsyName ) == 0) |
|
902 { |
|
903 fileSystem = EFsyFat; |
|
904 } |
|
905 } |
|
906 FTRACE( FPrint( |
|
907 _L( "[USBWATCHER]\tCUsbActiveMscHandler: GetDriveFileSystem: filesystem %d on drive %d" ), |
|
908 fileSystem, aDrive ) ); |
|
909 |
|
910 return fileSystem; |
|
911 } |
|
912 |
|
913 // ---------------------------------------------------------------------------- |
|
914 // Return whether device encryption is supported or not. |
|
915 // ---------------------------------------------------------------------------- |
|
916 // |
|
917 TBool CUsbActiveMscHandler::IsDeviceEncryptionSupportedL() |
|
918 { |
|
919 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::IsDeviceEncryptionSupportedL >>")); |
|
920 |
|
921 TBool ret(EFalse); |
|
922 |
|
923 FeatureManager::InitializeLibL(); |
|
924 ret = FeatureManager::FeatureSupported(KFeatureIdFfDeviceEncryptionFeature); |
|
925 FeatureManager::UnInitializeLib(); |
|
926 |
|
927 FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::IsDeviceEncryptionSupportedL, ret = %d <<"), ret)); |
|
928 return ret; |
|
929 } |
|
930 |
|
931 // ---------------------------------------------------------------------------- |
|
932 // Return device encryption info for further protection |
|
933 // ---------------------------------------------------------------------------- |
|
934 // |
|
935 TBool CUsbActiveMscHandler::IsEncProtectionRequired(const TInt& aDriveLetter) |
|
936 { |
|
937 TBool ret = ETrue; |
|
938 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::GetEncProtectionInfo >>")); |
|
939 |
|
940 // Is device encryption feature supported? |
|
941 TRAPD( r, ret = ( IsDeviceEncryptionSupportedL() ) ); |
|
942 if(r) |
|
943 { |
|
944 ret = EFalse; |
|
945 } |
|
946 |
|
947 // Get the enctrytion operation code |
|
948 if(ret) |
|
949 { |
|
950 FLOG(_L("Check drives for busy status")); |
|
951 |
|
952 TInt encDriverStatus; |
|
953 |
|
954 if(!iDevEncSession) |
|
955 { |
|
956 FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::IsEncProtectionRequired: iDevEncSession is NULL"))); |
|
957 User::Panic(_L("[USBWATCHER]DevEncCommonUtil Not Found"), KErrNotSupported); |
|
958 } |
|
959 else |
|
960 { |
|
961 iDevEncSession->SetDrive( (TDriveNumber)aDriveLetter ); |
|
962 TInt errCode = iDevEncSession->Connect(); |
|
963 if( !errCode ) |
|
964 { |
|
965 errCode = iDevEncSession->DiskStatus( encDriverStatus ); |
|
966 } |
|
967 iDevEncSession->Close(); |
|
968 FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::GetDrives: error %d, state %d"), errCode, encDriverStatus)); |
|
969 |
|
970 ret = ( ( errCode == KErrNone ) && |
|
971 ( ( encDriverStatus == EEncrypting ) || ( encDriverStatus == EDecrypting ) ) ); |
|
972 } |
|
973 } |
|
974 |
|
975 FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::GetEncProtectionInfo, aDriveLetter= %d, ret= <<"), aDriveLetter,ret)); |
|
976 |
|
977 return ret; |
|
978 } |
|
979 void CUsbActiveMscHandler::LoadDevEncSessionL() |
|
980 { |
|
981 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::LoadDevEncSessionL >> ")); |
|
982 |
|
983 if (!iDevEncSession) |
|
984 { |
|
985 TInt err = iLibrary.Load(KDevEncCommonUtils); |
|
986 if (err != KErrNone) |
|
987 { |
|
988 FTRACE(FPrint(_L("Error in finding the library... %d"), err)); |
|
989 return; |
|
990 } |
|
991 TLibraryFunction entry = iLibrary.Lookup(1); |
|
992 |
|
993 if (!entry) |
|
994 { |
|
995 FLOG(_L("Error in loading the library...")); |
|
996 User::Leave(KErrBadLibraryEntryPoint); |
|
997 } |
|
998 iDevEncSession = (CDevEncSessionBase*) entry(); |
|
999 } |
|
1000 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::LoadDevEncSessionL << ")); |
|
1001 } |
|
1002 |
|
1003 void CUsbActiveMscHandler::UnloadDevEncSession() |
|
1004 { |
|
1005 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::UnloadDevEncSession >> ")); |
|
1006 |
|
1007 if (iDevEncSession) |
|
1008 { |
|
1009 delete iDevEncSession; |
|
1010 iDevEncSession = NULL; |
|
1011 iLibrary.Close(); |
|
1012 } |
|
1013 |
|
1014 FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::UnloadDevEncSession << ")); |
|
1015 } |
|
1016 // End of file |