1 /* |
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2 * ============================================================================ |
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3 * Name : btnotifpairinghelper.cpp |
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4 * Part of : bluetoothengine / btnotif |
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5 * Description : Helper class for processing pairing requests and results, as extended functionality for CBTNotifConnection. |
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6 * |
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7 * Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies). |
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8 * All rights reserved. |
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9 * This component and the accompanying materials are made available |
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10 * under the terms of "Eclipse Public License v1.0" |
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11 * which accompanies this distribution, and is available |
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12 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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13 * |
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14 * Initial Contributors: |
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15 * Nokia Corporation - initial contribution. |
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16 * |
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17 * Contributors: |
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18 * Nokia Corporation |
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19 * ============================================================================ |
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20 * Template version: 4.1 |
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21 */ |
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22 |
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23 #include "btnotifpairinghelper.h" |
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24 #include <bt_sock.h> |
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25 #include <btextnotifiers.h> |
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26 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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27 #include <btextnotifierspartner.h> |
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28 #endif |
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29 |
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30 #include "btnotifconnection.h" |
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31 #include "btnotifconnectiontracker.h" |
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32 #include "btnotificationmanager.h" |
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33 #include "btnotifserver.h" |
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34 #include "bluetoothtrace.h" |
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35 |
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36 /** Id for the active object for a dedicated bonding session. */ |
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37 const TInt KDedicatedBonding = 50; |
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38 /** Length of the default PIN. */ |
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39 const TInt KDefaultPinLength = 4; |
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40 /** Default PIN character. */ |
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41 const TText8 KDefaultPinValue = '0'; |
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42 /** Format syntax for numeric comparison value. */ |
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43 _LIT( KNumCompFormat, "%06u" ); |
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44 /** Format syntax for passkey display value. */ |
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45 _LIT( KPassKeyFormat, "%06u" ); |
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46 |
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47 |
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48 // ======== LOCAL FUNCTIONS ======== |
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49 |
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50 // --------------------------------------------------------------------------- |
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51 // ?description |
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52 // --------------------------------------------------------------------------- |
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53 // |
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54 /*?type ?function_name( ?arg_type ?arg, |
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55 ?arg_type ?arg ) |
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56 { |
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57 } |
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58 */ |
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59 |
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60 // ======== MEMBER FUNCTIONS ======== |
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61 |
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62 // --------------------------------------------------------------------------- |
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63 // C++ default constructor. |
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64 // --------------------------------------------------------------------------- |
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65 // |
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66 CBTNotifPairingHelper::CBTNotifPairingHelper( CBTNotifConnection* aConnection, |
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67 CBTNotifConnectionTracker* aTracker ) |
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68 : iConnection( aConnection ), |
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69 iTracker( aTracker ) |
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70 { |
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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 // Symbian 2nd-phase constructor. |
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76 // --------------------------------------------------------------------------- |
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77 // |
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78 void CBTNotifPairingHelper::ConstructL() |
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79 { |
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80 if( iConnection ) |
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81 { |
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82 iDevice = iConnection->BTDevice(); |
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83 } |
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84 } |
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85 |
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86 |
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87 // --------------------------------------------------------------------------- |
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88 // NewL |
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89 // --------------------------------------------------------------------------- |
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90 // |
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91 CBTNotifPairingHelper* CBTNotifPairingHelper::NewL( CBTNotifConnection* aConnection, |
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92 CBTNotifConnectionTracker* aTracker ) |
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93 { |
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94 BOstraceFunctionEntry0( DUMMY_DEVLIST ); |
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95 CBTNotifPairingHelper* self = new( ELeave ) CBTNotifPairingHelper( aConnection, aTracker ); |
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96 CleanupStack::PushL( self ); |
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97 self->ConstructL(); |
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98 CleanupStack::Pop( self ); |
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99 BOstraceFunctionExit0( DUMMY_DEVLIST ); |
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100 return self; |
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101 } |
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102 |
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103 |
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104 // --------------------------------------------------------------------------- |
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105 // Destructor. |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 CBTNotifPairingHelper::~CBTNotifPairingHelper() |
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109 { |
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110 BOstraceFunctionEntry0( DUMMY_DEVLIST ); |
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111 if( iNotification ) |
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112 { |
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113 // Clear the notification callback, we cannot receive them anymore. |
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114 iNotification->RemoveObserver(); |
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115 iNotification->Close(); // Also dequeues the notification from the queue. |
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116 iNotification = NULL; |
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117 } |
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118 delete iParams; |
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119 if( iBondingActive ) |
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120 { |
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121 iBondingActive->Cancel(); // Will close subsession; |
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122 } |
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123 delete iBondingActive; |
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124 iBondingSession.Close(); |
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125 iBondingSocket.Close(); |
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126 BOstraceFunctionExit0( DUMMY_DEVLIST ); |
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127 } |
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128 |
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129 |
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130 // --------------------------------------------------------------------------- |
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131 // Handle the authentication result from the baseband. Show the result in a note. |
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132 // --------------------------------------------------------------------------- |
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133 // |
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134 void CBTNotifPairingHelper::HandleAuthenticationCompleteL( TInt aError ) |
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135 { |
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136 BOstraceFunctionEntryExt( DUMMY_DEVLIST, this, aError ); |
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137 if( iOperation == EDedicatedBonding || iOperation == EAwaitingPairingResult || |
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138 iOperation == EAutoPairing ) |
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139 { |
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140 // Default case (aError == 0): Success, we are now paired. |
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141 TBTDialogResourceId resourceId = EPairingSuccess; |
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142 TBool autoPairing = ( iOperation == EAutoPairing ); // Remember the autopairing state |
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143 iOperation = EShowPairingSuccess; |
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144 if( aError && aError != KHCIErrorBase ) |
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145 { |
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146 // Authentication failure, means pairing failed. |
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147 resourceId = EPairingFailure; |
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148 iOperation = EShowPairingFailure; |
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149 // Communicate the error now that we still remember it. |
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150 if( iDedicatedBonding ) |
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151 { |
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152 if( autoPairing && aError == KHCIErrorBase - EAuthenticationFailure ) |
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153 { |
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154 BOstrace0( TRACE_NORMAL, DUMMY_DEVLIST, |
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155 "[BTNOTIF]\t CBTNotifPairingHelper::HandleAuthenticationCompleteL: Autopairing failed, we need to try again."); |
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156 // Autopairing failed, we need to try again. |
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157 iOperation = EAutoPairing; // Reset back |
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158 resourceId = ENoResource; |
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159 } |
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160 CompleteBondingL( aError ); |
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161 } |
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162 } |
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163 if( resourceId ) |
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164 { |
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165 // Inform the user of the result. |
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166 BOstrace0( TRACE_NORMAL, DUMMY_DEVLIST, |
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167 "[BTNOTIF]\t CBTNotifPairingHelper::HandleAuthenticationCompleteL: pairing successful, inform user" ); |
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168 PrepareNotificationL( TBluetoothDialogParams::EGlobalNotif, resourceId ); |
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169 // MBRNotificationClosed will be called from this, which will |
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170 // check the next stage. |
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171 } |
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172 } |
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173 BOstraceFunctionExit1( DUMMY_DEVLIST, this ); |
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174 } |
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175 |
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176 |
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177 // --------------------------------------------------------------------------- |
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178 // Start a bonding operation with the remote device. |
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179 // --------------------------------------------------------------------------- |
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180 // |
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181 void CBTNotifPairingHelper::StartBondingL( TInt aHandle ) |
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182 { |
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183 BOstraceFunctionEntryExt( DUMMY_DEVLIST, this, aHandle ); |
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184 __ASSERT_ALWAYS( iOperation == EIdle || iOperation == EDedicatedBonding |
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185 || iOperation == EAutoPairing, PanicServer( EBTNotifPanicBadState ) ); |
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186 if( !iBondingActive ) |
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187 { |
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188 iBondingActive = CBtSimpleActive::NewL( *this, KDedicatedBonding ); |
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189 } |
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190 if( aHandle ) |
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191 { |
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192 iDedicatedBonding = aHandle; |
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193 } |
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194 if( iOperation == EIdle ) |
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195 { |
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196 iOperation = EDedicatedBonding; |
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197 } |
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198 if( iOperation == EDedicatedBonding && iTracker->PairingServerSession() ) |
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199 { |
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200 if( !iBondingActive->IsActive() ) |
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201 { |
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202 BtTraceBtAddr1( TRACE_DEBUG,DUMMY_LIST,"CBTNotifPairingHelper::StartBondingL()",iDevice->BDAddr() ); |
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203 iBondingSession.Start( *iTracker->PairingServerSession(), |
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204 iDevice->BDAddr(), iBondingActive->RequestStatus() ); |
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205 iBondingActive->GoActive(); |
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206 } |
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207 } |
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208 else |
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209 { |
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210 // We are doing autopairing (or the unlikely situation that the pairing server is unavailable) |
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211 CompleteBondingL( KErrServerTerminated ); |
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212 } |
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213 BOstraceFunctionExit1( DUMMY_DEVLIST, this); |
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214 } |
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215 |
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216 |
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217 // --------------------------------------------------------------------------- |
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218 // Cancel an ongoing bonding operation with the remote device. |
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219 // --------------------------------------------------------------------------- |
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220 // |
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221 void CBTNotifPairingHelper::CancelBondingL() |
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222 { |
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223 BOstraceFunctionEntry0( DUMMY_DEVLIST ); |
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224 if( iDedicatedBonding ) |
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225 { |
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226 CompleteBondingL( KErrCancel ); // Closes sessions |
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227 if( iNotification ) |
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228 { |
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229 // Cancel the outstanding user query |
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230 // This will also unregister us from the notification. |
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231 TInt err = iNotification->Close(); |
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232 NOTIF_NOTHANDLED( !err ) |
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233 iNotification = NULL; |
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234 } |
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235 if( iNotifierUid ) |
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236 { |
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237 // Also finish up the notifier processing. |
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238 CompletePairingNotifierL( KErrCancel, EFalse, KNullDesC8 ); |
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239 } |
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240 iOperation = EIdle; |
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241 iConnection->PairingCompleted(); // This may delete us. |
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242 } |
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243 BOstraceFunctionExit0( DUMMY_DEVLIST ); |
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244 } |
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245 |
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246 |
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247 // --------------------------------------------------------------------------- |
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248 // Handle a notifier request for pairing with the remote device of this connection. |
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249 // --------------------------------------------------------------------------- |
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250 // |
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251 void CBTNotifPairingHelper::StartPairingNotifierL( TInt aUid, const TDesC8& aParams ) |
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252 { |
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253 BOstraceFunctionEntryExt( DUMMY_DEVLIST, this, aUid ); |
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254 if( iDevice->GlobalSecurity().Banned() && !iDedicatedBonding ) |
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255 { |
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256 // ToDo: should this case actually be ignored, and presume that |
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257 // the caller will take care of unblocking the device? |
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258 iOperation = EIdle; |
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259 User::Leave( KErrAccessDenied ); |
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260 } |
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261 // Store the parameters locally, we need them later again. |
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262 delete iParams; |
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263 iParams = NULL; |
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264 iParams = HBufC8::NewL( aParams.Length() ); |
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265 *iParams = aParams; |
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266 iNotifierUid = aUid; |
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267 |
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268 if( iDevice->IsValidPaired() && iDevice->IsPaired() ) |
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269 { |
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270 // The device is still paired, we unpair it first. |
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271 // Deleting the link key will set the device as unpaired. |
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272 iDevice->DeleteLinkKey(); |
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273 iOperation = EUnpairing; // So that parent state does not get changed. |
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274 iConnection->UpdateRegistryEntryL(); |
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275 // Note that this will only be done before trying autopairing, so |
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276 // it not interfere with a second attempt; |
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277 } |
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278 // Update the device name |
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279 TBTPasskeyDisplayParams params; // Enough for reading the base class type parameter |
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280 TPckgC<TBTPasskeyDisplayParams> paramsPckg( params ); |
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281 paramsPckg.Set( *iParams ); |
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282 if( paramsPckg().DeviceName().Length() ) |
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283 { |
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284 // The name in the parameter package is the latest one, retrieved from |
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285 // the remote device during this connection. Update locally. |
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286 iDevice->SetDeviceNameL( BTDeviceNameConverter::ToUTF8L( paramsPckg().DeviceName() ) ); |
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287 } |
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288 |
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289 TBool locallyInitiated = EFalse; |
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290 TBuf<8> numVal; |
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291 TBluetoothDialogParams::TBTDialogType dialog = TBluetoothDialogParams::EInvalidDialog; |
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292 TBTDialogResourceId resource = ENoResource; |
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293 // Read the notifier parameters (sets iOperation as well) |
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294 ParseNotifierReqParamsL( locallyInitiated, numVal, dialog, resource ); |
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295 // If this is an incoming pairing, we first ask the user to accept it. |
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296 if( !locallyInitiated && !iDedicatedBonding ) |
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297 { |
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298 // Ignore the initatior if we initiated bonding. |
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299 StartAcceptPairingQueryL(); // Overrides iOperation |
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300 } |
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301 else |
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302 { |
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303 __ASSERT_ALWAYS( resource != ENoResource, PanicServer( EBTNotifPanicBadState ) ); |
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304 CheckAutoPairingL( locallyInitiated, numVal ); |
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305 // CheckAutoPairingL sets |
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306 if( iOperation != EAutoPairing ) |
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307 { |
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308 PrepareNotificationL( dialog, resource ); |
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309 if( numVal.Length() ) |
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310 { |
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311 TInt err = iNotification->SetData( TBluetoothDeviceDialog::EAdditionalDesc, numVal ); |
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312 NOTIF_NOTHANDLED( !err ) |
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313 } |
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314 } |
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315 } |
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316 BOstraceFunctionExit1( DUMMY_DEVLIST, this ); |
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317 } |
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318 |
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319 |
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320 // --------------------------------------------------------------------------- |
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321 // Update a notifier, update the outstanding dialog if the notifier request |
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322 // is currently being served. |
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323 // --------------------------------------------------------------------------- |
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324 // |
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325 void CBTNotifPairingHelper::UpdatePairingNotifierL( TInt aUid, const TDesC8& aParams ) |
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326 { |
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327 (void) aUid; |
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328 TBTNotifierUpdateParams2 params; // Enough for reading the base class type parameter |
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329 TPckgC<TBTNotifierUpdateParams2> paramsPckg( params ); |
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330 paramsPckg.Set( aParams ); |
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331 if( paramsPckg().Type() == TBTNotifierUpdateParams2::EPasskeyDisplay ) |
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332 { |
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333 // Paskey display update - keypress on remote device. |
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334 } |
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335 else |
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336 { |
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337 // name update |
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338 TBTDeviceNameUpdateParams nameUpdate; |
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339 TPckgC<TBTDeviceNameUpdateParams> nameUpdatePckg( nameUpdate ); |
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340 nameUpdatePckg.Set( aParams ); |
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341 // The result means result of conversion to unicode |
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342 if( !nameUpdatePckg().Result() ) |
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343 { |
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344 // Only update locally, registry will update us with the same info later on. |
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345 iDevice->SetDeviceNameL( BTDeviceNameConverter::ToUTF8L( nameUpdatePckg().DeviceName() ) ); |
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346 if( iNotification ) |
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347 { |
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348 // Update the dialog with the new name. It is up to the dialog to |
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349 // determine the validity (in case another dialog is shown). |
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350 //iNotification->Update( ) |
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351 } |
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352 } |
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353 } |
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354 } |
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355 |
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356 |
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357 // --------------------------------------------------------------------------- |
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358 // Cancel a request, dismiss the outstanding dialog if the notifier request |
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359 // is currently being served. |
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360 // --------------------------------------------------------------------------- |
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361 // |
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362 void CBTNotifPairingHelper::CancelPairingNotifierL( TInt aUid ) |
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363 { |
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364 BOstraceFunctionEntry0( DUMMY_DEVLIST ); |
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365 // ToDo: we need to check that the UID and the outstanding notification |
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366 // type are matching? |
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367 if( iOperation > EIdle && iOperation < EPostPairingOperations && aUid == iNotifierUid && |
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368 ( aUid == KBTPinCodeEntryNotifierUid.iUid || |
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369 aUid == KBTNumericComparisonNotifierUid.iUid || |
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370 aUid == KBTPasskeyDisplayNotifierUid.iUid ) ) |
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371 { |
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372 if( iNotification ) |
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373 { |
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374 // Cancel the user query |
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375 // This will also unregister us from the notification. |
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376 TInt err = iNotification->Close(); |
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377 NOTIF_NOTHANDLED( !err ) |
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378 iNotification = NULL; |
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379 } |
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380 iOperation = EIdle; |
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381 iNotifierUid = 0; |
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382 // We do not call pairing completed from here, our parent will |
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383 // check our status by itself, and may delete us. |
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384 |
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385 // Any bonding requester needs to be informed though. |
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386 CancelBondingL(); |
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387 } |
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388 BOstraceFunctionExit0( DUMMY_DEVLIST ); |
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389 } |
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390 |
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391 |
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392 // --------------------------------------------------------------------------- |
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393 // |
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394 // --------------------------------------------------------------------------- |
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395 // |
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396 void CBTNotifPairingHelper::StartJustWorksProcessingL() |
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397 { |
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398 } |
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399 |
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400 |
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401 // --------------------------------------------------------------------------- |
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402 // |
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403 // --------------------------------------------------------------------------- |
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404 // |
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405 void CBTNotifPairingHelper::CancelJustWorksProcessingL() |
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406 { |
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407 } |
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408 |
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409 |
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410 // --------------------------------------------------------------------------- |
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411 // From class MBTNotificationResult. |
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412 // Handle a result from a user query. |
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413 // --------------------------------------------------------------------------- |
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414 // |
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415 void CBTNotifPairingHelper::MBRDataReceived( CHbSymbianVariantMap& aData ) |
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416 { |
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417 (void) aData; |
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418 NOTIF_NOTIMPL |
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419 } |
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420 |
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421 |
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422 // --------------------------------------------------------------------------- |
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423 // From class MBTNotificationResult. |
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424 // The notification is finished. |
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425 // --------------------------------------------------------------------------- |
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426 // |
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427 void CBTNotifPairingHelper::MBRNotificationClosed( TInt aError, const TDesC8& aData ) |
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428 { |
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429 BOstraceFunctionEntryExt( DUMMY_DEVLIST, this, aError ); |
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430 // First unregister from the notification, so we can already get the next one. |
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431 iNotification->RemoveObserver(); |
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432 iNotification = NULL; |
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433 TRAP_IGNORE( NotificationClosedL( aError, aData ) ); |
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434 if( iOperation == EIdle ) |
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435 { |
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436 // Any error has been communicated already. |
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437 iConnection->PairingCompleted(); // This may delete us. |
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438 } |
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439 BOstraceFunctionExit1( DUMMY_DEVLIST, this ); |
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440 } |
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441 |
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442 |
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443 // --------------------------------------------------------------------------- |
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444 // From class MBtSimpleActiveObserver. |
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445 // Handle the active object completion. |
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446 // --------------------------------------------------------------------------- |
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447 // |
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448 void CBTNotifPairingHelper::RequestCompletedL( CBtSimpleActive* aActive, |
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449 TInt aStatus ) |
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450 { |
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451 BOstraceFunctionEntry0( DUMMY_DEVLIST ); |
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452 switch( aActive->RequestId() ) |
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453 { |
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454 case KDedicatedBonding: |
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455 { |
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456 if( iDedicatedBonding ) |
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457 { |
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458 // If the result hasn't been processed already. |
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459 HandleAuthenticationCompleteL( aStatus ); |
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460 } |
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461 } |
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462 break; |
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463 default: |
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464 NOTIF_NOTIMPL |
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465 break; |
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466 } |
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467 BOstraceFunctionExit0( DUMMY_DEVLIST ); |
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468 } |
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469 |
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470 |
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471 // --------------------------------------------------------------------------- |
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472 // From class MBtSimpleActiveObserver. |
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473 // Cancel and clean up all requests related to the active object. |
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474 // --------------------------------------------------------------------------- |
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475 // |
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476 void CBTNotifPairingHelper::CancelRequest( TInt aRequestId ) |
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477 { |
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478 BOstraceFunctionEntry0( DUMMY_DEVLIST ); |
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479 switch( aRequestId ) |
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480 { |
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481 case KDedicatedBonding: |
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482 iBondingSession.Close(); |
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483 break; |
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484 default: |
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485 NOTIF_NOTIMPL |
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486 break; |
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487 } |
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488 BOstraceFunctionExit0( DUMMY_DEVLIST ); |
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489 } |
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490 |
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491 // --------------------------------------------------------------------------- |
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492 // From class MBtSimpleActiveObserver. |
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493 // |
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494 // --------------------------------------------------------------------------- |
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495 // |
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496 void CBTNotifPairingHelper::HandleError( CBtSimpleActive* aActive, |
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497 TInt aError ) |
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498 { |
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499 (void) aActive; |
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500 (void) aError; |
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501 } |
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502 |
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503 // --------------------------------------------------------------------------- |
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504 // Process the user input and complete the outstanding pairing request. |
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505 // --------------------------------------------------------------------------- |
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506 // |
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507 void CBTNotifPairingHelper::CompletePairingNotifierL( TInt aError, TBool aResult, |
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508 const TDesC8& aData ) |
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509 { |
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510 BOstraceFunctionEntryExt( DUMMY_DEVLIST, this, aError ); |
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511 TInt err = aError; |
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512 TPtrC8 resultData; |
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513 if( !err ) |
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514 { |
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515 // The returned data is the entered passkey. |
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516 TBool proceed = iTracker->UpdateBlockingHistoryL( iDevice, aResult ); |
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517 if( iOperation == ESspPairing && iNotifierUid == KBTNumericComparisonNotifierUid.iUid ) |
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518 { |
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519 // Numeric comparison needs the boolean result passed back. |
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520 TPckgBuf<TBool> userAcceptance( aResult ); |
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521 resultData.Set( userAcceptance ); |
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522 } |
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523 if( aResult ) |
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524 { |
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525 if( iOperation == ELegacyPairing || iOperation == EAutoPairing ) |
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526 { |
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527 // Check the passkey entered by the user. |
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528 // The length of the returned data equals the number of characters |
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529 // entered by the user. |
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530 TBTPinCode pinCode; |
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531 pinCode().iLength = aData.Length(); |
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532 TUint minLen = 0; |
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533 TBool locallyInitiated = EFalse; // Not used here. |
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534 ParsePinCodeReqParamsL( locallyInitiated, minLen ); |
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535 if( aData.Length() >= minLen ) |
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536 { |
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537 // Check that the length of the passkey meets the minimum |
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538 // required pin code length |
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539 for( TInt i = 0; i < aData.Length(); i++ ) |
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540 { |
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541 pinCode().iPIN[i] = aData[i]; |
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542 } |
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543 resultData.Set( pinCode ); |
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544 } |
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545 else |
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546 { |
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547 // PIN wasn't long enough. This should be handled by the dialog though. |
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548 err = KErrCompletion; |
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549 } |
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550 } |
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551 // Now we just wait for the result to come in. |
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552 if( iOperation != EAutoPairing ) |
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553 { |
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554 iOperation = EAwaitingPairingResult; |
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555 } |
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556 } |
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557 else |
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558 { |
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559 err = KErrCancel; |
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560 TBool locallyInitiated = EFalse; // Needed below |
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561 TBuf<8> numVal; // Not needed here. |
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562 TBluetoothDialogParams::TBTDialogType type = TBluetoothDialogParams::EInvalidDialog; |
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563 TBTDialogResourceId resource = ENoResource; // Resources and type are not needed here. |
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564 // Check the notifier parameters |
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565 ParseNotifierReqParamsL( locallyInitiated, numVal, type, resource ); |
|
566 if( proceed && locallyInitiated && !iDedicatedBonding ) |
|
567 { |
|
568 // The user denied the connection, ask to block the device. |
|
569 // This is only for pairing (and not bonding) initiated by us, |
|
570 // as the user already gets the opportunity to block when |
|
571 // rejecting an incoming pairing request. |
|
572 // This case may be for someone requesting to access a service |
|
573 // which requires authentication by us, but not by the remote device. |
|
574 iConnection->LaunchBlockingQueryL(); |
|
575 // For incoming pairing, blocking is asked after rejecting the |
|
576 // pairing request. This is done in CompleteAcceptPairingQueryL |
|
577 } |
|
578 CompleteBondingL( err ); // Notify the client if there was a bonding request. |
|
579 } |
|
580 } |
|
581 iNotifierUid = 0; // Clean up notifier data |
|
582 delete iParams; |
|
583 iParams = NULL; |
|
584 if( err ) |
|
585 { |
|
586 iOperation = EIdle; // We are done now. |
|
587 } |
|
588 // Complete the message with the result, and result data if any. |
|
589 iConnection->CompleteClientRequest( err, resultData ); |
|
590 BOstraceFunctionExit1( DUMMY_DEVLIST, this ); |
|
591 } |
|
592 |
|
593 |
|
594 // --------------------------------------------------------------------------- |
|
595 // Completes a bonding operation. |
|
596 // --------------------------------------------------------------------------- |
|
597 // |
|
598 void CBTNotifPairingHelper::CompleteBondingL( TInt aError ) |
|
599 { |
|
600 BOstraceFunctionEntryExt( DUMMY_DEVLIST, this, aError ); |
|
601 if( iDedicatedBonding ) |
|
602 { |
|
603 if( iBondingActive ) |
|
604 { |
|
605 iBondingActive->Cancel(); // Will close subsession; |
|
606 } |
|
607 iBondingSession.Close(); // In case not active |
|
608 iBondingSocket.Close(); |
|
609 } |
|
610 // Determine if we try another time. |
|
611 if( ( iOperation == EAutoPairing && aError == KHCIErrorBase - EAuthenticationFailure ) || |
|
612 ( iDedicatedBonding && iOperation == EAwaitingPairingResult && |
|
613 aError == KErrRemoteDeviceIndicatedNoBonding ) || |
|
614 aError == KErrServerTerminated ) |
|
615 { |
|
616 // The cases are: 2) autopairing with a headset that has a non-default passkey |
|
617 // 2) SSP dedicated bonding with a device that does not allow that. |
|
618 // 3) the pairing server is unavailable (unlikely) |
|
619 // Then we try another time, requesting authentication on a |
|
620 // RBTPhysicialLinkAdapter |
|
621 BOstrace0( TRACE_NORMAL, DUMMY_DEVLIST, |
|
622 "[BTNOTIF]\t CBTNotifPairingHelper::CompleteBondingL: trying another time." ); |
|
623 TInt err = iBondingSocket.Open( iTracker->SocketServerSession(), iConnection->Address() ); |
|
624 TUint32 linkState = 0; |
|
625 if( !err ) |
|
626 { |
|
627 err = iBondingSocket.PhysicalLinkState( linkState ); |
|
628 } |
|
629 if( !err && linkState & ENotifyPhysicalLinkUp ) |
|
630 { |
|
631 err = iBondingSocket.Authenticate(); |
|
632 // Now wait for the dialog and then the link state notification |
|
633 } |
|
634 else |
|
635 { |
|
636 // We need to wait for the link to come up. We wait until our |
|
637 // parent calls us again. |
|
638 iBondingSocket.Close(); |
|
639 } |
|
640 if( err ) |
|
641 { |
|
642 // Cannot continue, show the result to the user. |
|
643 BOstrace0( TRACE_NORMAL, DUMMY_DEVLIST, |
|
644 "[BTNOTIF]\t CBTNotifPairingHelper::HandleAuthenticationCompleteL: pairing failed, complete message." ); |
|
645 iOperation = EShowPairingFailure; |
|
646 PrepareNotificationL( TBluetoothDialogParams::ENote, EPairingFailure ); |
|
647 } |
|
648 } |
|
649 if( iDedicatedBonding && iOperation != EAutoPairing ) |
|
650 { |
|
651 BOstrace0( TRACE_NORMAL, DUMMY_DEVLIST, |
|
652 "[BTNOTIF]\t CBTNotifPairingHelper::CompleteBondingL: complete message." ); |
|
653 TInt err = iTracker->Server()->CompleteMessage( iDedicatedBonding, aError, KNullDesC8 ); |
|
654 NOTIF_NOTHANDLED( !err ) |
|
655 iDedicatedBonding = 0; |
|
656 } |
|
657 BOstraceFunctionExit1( DUMMY_DEVLIST, this ); |
|
658 } |
|
659 |
|
660 |
|
661 // --------------------------------------------------------------------------- |
|
662 // |
|
663 // --------------------------------------------------------------------------- |
|
664 // |
|
665 void CBTNotifPairingHelper::CompleteJustWorksProcessingL( TInt aError ) |
|
666 { |
|
667 (void) aError; |
|
668 } |
|
669 |
|
670 |
|
671 // --------------------------------------------------------------------------- |
|
672 // Ask the user to allow incoming pairing. |
|
673 // --------------------------------------------------------------------------- |
|
674 // |
|
675 void CBTNotifPairingHelper::StartAcceptPairingQueryL() |
|
676 { |
|
677 iOperation = EAcceptPairing; |
|
678 PrepareNotificationL( TBluetoothDialogParams::EQuery, EIncomingPairing ); |
|
679 // if rejected, the client message is completed in CompleteAcceptPairingQueryL |
|
680 } |
|
681 |
|
682 |
|
683 // --------------------------------------------------------------------------- |
|
684 // The user was asked to accept an incoming pairing. Process and proceed. |
|
685 // --------------------------------------------------------------------------- |
|
686 // |
|
687 void CBTNotifPairingHelper::CompleteAcceptPairingQueryL( TInt aError, TBool aResult ) |
|
688 { |
|
689 BOstraceFunctionEntry0( DUMMY_DEVLIST ); |
|
690 // Set our state to idle for now. This may get changed if the user just chose |
|
691 // to block, or if we have a pending request. |
|
692 iOperation = EIdle; |
|
693 TInt err = aError; |
|
694 if( !err ) |
|
695 { |
|
696 TBool proceed = iTracker->UpdateBlockingHistoryL( iDevice, aResult ); |
|
697 if( aResult ) |
|
698 { |
|
699 // User accepted, continue to show pairing query. |
|
700 // Minimum lenght does not apply, should only be set on outgoing pairing |
|
701 TBool locallyInitiated = EFalse; |
|
702 TBuf<8> numVal; |
|
703 TBluetoothDialogParams::TBTDialogType dialog = TBluetoothDialogParams::EInvalidDialog; |
|
704 TBTDialogResourceId resource = ENoResource; |
|
705 // Read the notifier parameters |
|
706 ParseNotifierReqParamsL( locallyInitiated, numVal, dialog, resource ); |
|
707 __ASSERT_ALWAYS( resource != ENoResource, PanicServer( EBTNotifPanicBadState ) ); |
|
708 PrepareNotificationL( dialog, resource ); |
|
709 if( numVal.Length() ) |
|
710 { |
|
711 TInt err = iNotification->SetData( TBluetoothDeviceDialog::EAdditionalDesc, numVal ); |
|
712 NOTIF_NOTHANDLED( !err ) |
|
713 } |
|
714 } |
|
715 else |
|
716 { |
|
717 err = KErrCancel; |
|
718 if( proceed ) |
|
719 { |
|
720 // The user denied the connection, ask to block the device. |
|
721 iConnection->LaunchBlockingQueryL(); |
|
722 } |
|
723 } |
|
724 } |
|
725 if( err ) |
|
726 { |
|
727 // The user denied the connection, or something else prevented completion. |
|
728 CompletePairingNotifierL( err, EFalse, KNullDesC8 ); |
|
729 } |
|
730 BOstraceFunctionExit0( DUMMY_DEVLIST ); |
|
731 } |
|
732 |
|
733 |
|
734 // --------------------------------------------------------------------------- |
|
735 // Launch a dialog for setting the device as trusted. |
|
736 // --------------------------------------------------------------------------- |
|
737 // |
|
738 void CBTNotifPairingHelper::StartTrustedQueryL() |
|
739 { |
|
740 BOstraceFunctionEntry0( DUMMY_DEVLIST ); |
|
741 // Assume that the registry update has come through by now. |
|
742 iOperation = EQueryTrust; |
|
743 PrepareNotificationL( TBluetoothDialogParams::EQuery, ESetTrusted ); |
|
744 BOstraceFunctionExit0( DUMMY_DEVLIST ); |
|
745 } |
|
746 |
|
747 |
|
748 // --------------------------------------------------------------------------- |
|
749 // Process the user input for setting the device as trusted. |
|
750 // --------------------------------------------------------------------------- |
|
751 // |
|
752 void CBTNotifPairingHelper::CompleteTrustedQueryL( TInt aError, TBool aResult ) |
|
753 { |
|
754 BOstraceFunctionEntryExt( DUMMY_DEVLIST, this, aError ); |
|
755 BOstraceExt2( TRACE_DEBUG, DUMMY_DEVLIST, |
|
756 "CBTNotifPairingHelper::CompleteTrustedQueryL() err=%d result=%d", aError, aResult ); |
|
757 iOperation = EIdle; // We are done with pairing now. |
|
758 if( !aError && aResult ) |
|
759 { |
|
760 // need to update pairing info from registry before writing trusted status |
|
761 iConnection->UpdateRegistryEntryL(true); |
|
762 } |
|
763 CompleteBondingL( KErrNone ); // Notify the client if there was a bonding request. |
|
764 BOstraceFunctionExit1( DUMMY_DEVLIST, this ); |
|
765 } |
|
766 |
|
767 |
|
768 // --------------------------------------------------------------------------- |
|
769 // Parse the parameters of a request for pairing. |
|
770 // --------------------------------------------------------------------------- |
|
771 // |
|
772 void CBTNotifPairingHelper::ParseNotifierReqParamsL( TBool& aLocallyInitiated, |
|
773 TDes& aNumVal, TBluetoothDialogParams::TBTDialogType& aDialogType, |
|
774 TBTDialogResourceId& aResourceId ) |
|
775 { |
|
776 // Determine the notifier type by the length of the parameter buffer |
|
777 if( iNotifierUid == KBTPinCodeEntryNotifierUid.iUid ) |
|
778 { |
|
779 aNumVal.Zero(); |
|
780 TUint minLen = 0; |
|
781 ParsePinCodeReqParamsL( aLocallyInitiated, minLen ); |
|
782 if( minLen ) |
|
783 { |
|
784 // Don't set zero to this buffer, the buffer length serves for this. |
|
785 aNumVal.Num( minLen ); |
|
786 } |
|
787 aDialogType = TBluetoothDialogParams::EInput; |
|
788 aResourceId = EPinInput; |
|
789 if( iOperation != EAutoPairing ) |
|
790 { |
|
791 iOperation = ELegacyPairing; |
|
792 } |
|
793 } |
|
794 else if( iNotifierUid == KBTNumericComparisonNotifierUid.iUid ) |
|
795 { |
|
796 ParseNumericCompReqParamsL( aLocallyInitiated, aNumVal ); |
|
797 aDialogType = TBluetoothDialogParams::EQuery; |
|
798 aResourceId = ENumericComparison; |
|
799 iOperation = ESspPairing; |
|
800 } |
|
801 else if( iNotifierUid == KBTPasskeyDisplayNotifierUid.iUid ) |
|
802 { |
|
803 ParsePasskeyDisplayReqParamsL( aLocallyInitiated, aNumVal ); |
|
804 aDialogType = TBluetoothDialogParams::EQuery; |
|
805 aResourceId = EPasskeyDisplay; |
|
806 iOperation = ESspPairing; |
|
807 } |
|
808 } |
|
809 |
|
810 |
|
811 // --------------------------------------------------------------------------- |
|
812 // Parse the parameters of a request for pairing using pin query. |
|
813 // --------------------------------------------------------------------------- |
|
814 // |
|
815 void CBTNotifPairingHelper::ParsePinCodeReqParamsL( TBool& aLocallyInitiated, |
|
816 TUint& aNumVal ) |
|
817 { |
|
818 TBTPinCodeEntryNotifierParams params; |
|
819 TPckgC<TBTPinCodeEntryNotifierParams> paramsPckg( params ); |
|
820 paramsPckg.Set( *iParams ); |
|
821 aLocallyInitiated = paramsPckg().LocallyInitiated(); |
|
822 aNumVal = paramsPckg().PinCodeMinLength(); |
|
823 } |
|
824 |
|
825 |
|
826 // --------------------------------------------------------------------------- |
|
827 // Parse the parameters of a request for pairing using numeric comparison. |
|
828 // --------------------------------------------------------------------------- |
|
829 // |
|
830 void CBTNotifPairingHelper::ParseNumericCompReqParamsL( TBool& aLocallyInitiated, |
|
831 TDes& aNumVal ) |
|
832 { |
|
833 TBTNumericComparisonParams params; |
|
834 TPckgC<TBTNumericComparisonParams> paramsPckg( params ); |
|
835 paramsPckg.Set( *iParams ); |
|
836 aLocallyInitiated = paramsPckg().LocallyInitiated(); |
|
837 TBTNumericComparisonParams::TComparisonScenario scenario = |
|
838 paramsPckg().ComparisonScenario(); |
|
839 aNumVal.Format( KNumCompFormat, paramsPckg().NumericalValue() ); |
|
840 } |
|
841 |
|
842 |
|
843 // --------------------------------------------------------------------------- |
|
844 // Parse the parameters of a request for pairing using passkey display. |
|
845 // --------------------------------------------------------------------------- |
|
846 // |
|
847 void CBTNotifPairingHelper::ParsePasskeyDisplayReqParamsL( TBool& aLocallyInitiated, |
|
848 TDes& aNumVal ) |
|
849 { |
|
850 TBTPasskeyDisplayParams params; |
|
851 TPckgC<TBTPasskeyDisplayParams> paramsPckg( params ); |
|
852 paramsPckg.Set( *iParams ); |
|
853 aLocallyInitiated = paramsPckg().LocallyInitiated(); |
|
854 aNumVal.Format( KPassKeyFormat, paramsPckg().NumericalValue() ); |
|
855 } |
|
856 |
|
857 |
|
858 // --------------------------------------------------------------------------- |
|
859 // Check if we can guess the PIN and complete the notifier without user interaction. |
|
860 // --------------------------------------------------------------------------- |
|
861 // |
|
862 void CBTNotifPairingHelper::CheckAutoPairingL( TBool aLocallyInitiated, const TDesC& aNumVal ) |
|
863 { |
|
864 TUint minLen = 0; |
|
865 if( aNumVal.Length() ) |
|
866 { |
|
867 ParsePinCodeReqParamsL( aLocallyInitiated, minLen ); |
|
868 } |
|
869 // ToDo: Add support for NFC OOB pairing |
|
870 if( iDedicatedBonding && iOperation == ELegacyPairing && |
|
871 iDevice->DeviceClass().MajorDeviceClass() == EMajorDeviceAV && |
|
872 iDevice->DeviceClass().MinorDeviceClass() != EMinorDeviceAVHandsfree && |
|
873 minLen <= KDefaultPinLength ) |
|
874 { |
|
875 // Outgoing bonding with headset and no passkey requirement => AutomatedPairing |
|
876 // Complete message with 0000 and return. |
|
877 iOperation = EAutoPairing; |
|
878 TBuf8<KDefaultPinLength + sizeof( TPckgBuf<TBool> )> defaultPin( KDefaultPinLength ); |
|
879 for( TInt i = 0; i < KDefaultPinLength; i++ ) |
|
880 { |
|
881 defaultPin[i] = KDefaultPinValue; |
|
882 } |
|
883 // Complete the pairing through the function dedicated to that. |
|
884 CompletePairingNotifierL( KErrNone, ETrue, defaultPin ); |
|
885 } |
|
886 else if( iOperation == EAutoPairing ) |
|
887 { |
|
888 iOperation = ELegacyPairing; // Reset the autopairing status |
|
889 } |
|
890 } |
|
891 |
|
892 |
|
893 // --------------------------------------------------------------------------- |
|
894 // Get and configure a notification. |
|
895 // --------------------------------------------------------------------------- |
|
896 // |
|
897 void CBTNotifPairingHelper::PrepareNotificationL( TBluetoothDialogParams::TBTDialogType aType, |
|
898 TBTDialogResourceId aResourceId ) |
|
899 { |
|
900 BOstraceFunctionEntry0( DUMMY_DEVLIST ); |
|
901 __ASSERT_ALWAYS( iOperation != EIdle || aType == TBluetoothDialogParams::ENote, PanicServer( EBTNotifPanicBadState ) ); |
|
902 iNotification = iTracker->NotificationManager()->GetNotification(); |
|
903 User::LeaveIfNull( iNotification ); // For OOM exception, leaves with KErrNoMemory |
|
904 iNotification->SetObserver( this ); |
|
905 iNotification->SetNotificationType( aType, aResourceId ); |
|
906 TBTDeviceName name; |
|
907 GetDeviceNameL( name, *iDevice ); |
|
908 TInt err = iNotification->SetData( TBluetoothDeviceDialog::EDeviceName, name ); |
|
909 NOTIF_NOTHANDLED( !err ) |
|
910 // Re-use name buffer for 16-bit descriptor representation of remote address. |
|
911 iConnection->Address().GetReadable( name ); |
|
912 err = iNotification->SetData( TBluetoothDialogParams::EAddress, name ); |
|
913 NOTIF_NOTHANDLED( !err ) |
|
914 err = iNotification->SetData( (TInt) TBluetoothDeviceDialog::EDeviceClass, |
|
915 iDevice->DeviceClass().DeviceClass() ); |
|
916 err = iTracker->NotificationManager()->QueueNotification( iNotification ); |
|
917 NOTIF_NOTHANDLED( !err ) |
|
918 BOstraceFunctionExit0( DUMMY_DEVLIST ); |
|
919 } |
|
920 |
|
921 |
|
922 // --------------------------------------------------------------------------- |
|
923 // The notification is finished, handle the result. |
|
924 // --------------------------------------------------------------------------- |
|
925 // |
|
926 void CBTNotifPairingHelper::NotificationClosedL( TInt aError, const TDesC8& aData ) |
|
927 { |
|
928 BOstraceFunctionEntryExt( DUMMY_DEVLIST, this, aError ); |
|
929 // Read the result. |
|
930 TPckgC<TBool> result( EFalse ); |
|
931 result.Set( aData.Ptr(), result.Length() ); // Read the part containing the result |
|
932 // Set a pointer descriptor to capture the remaining data, if any. |
|
933 TPtrC8 dataPtr( aData.Mid( result.Length() ) ); |
|
934 switch( iOperation ) |
|
935 { |
|
936 case EAcceptPairing: |
|
937 CompleteAcceptPairingQueryL( aError, result() ); |
|
938 break; |
|
939 case ELegacyPairing: |
|
940 case ESspPairing: |
|
941 CompletePairingNotifierL( aError, result(), dataPtr ); |
|
942 break; |
|
943 case EQueryTrust: |
|
944 CompleteTrustedQueryL( aError, result() ); |
|
945 break; |
|
946 case EShowPairingSuccess: |
|
947 StartTrustedQueryL(); |
|
948 break; |
|
949 case EShowPairingFailure: |
|
950 // Pairing failure, we are done. |
|
951 iOperation = EIdle; |
|
952 break; |
|
953 default: |
|
954 NOTIF_NOTIMPL |
|
955 break; |
|
956 } |
|
957 BOstraceFunctionExit1( DUMMY_DEVLIST, this ); |
|
958 } |
|