1 /* |
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2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include "btnotifsecuritymanager.h" |
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19 #include "btnotifoutgoingpairinghandler.h" |
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20 #include "btnotifincomingpairinghandler.h" |
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21 #include "btnotifpairnotifier.h" |
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22 #include "btnotifclientserver.h" |
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23 #include <e32property.h> |
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24 #include "btnotifconnectiontracker.h" |
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25 #include "btnotifserviceauthorizer.h" |
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26 |
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27 /** Identification for active object */ |
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28 enum TPairManActiveRequestId |
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29 { |
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30 ESimplePairingResult, |
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31 EAuthenticationResult, |
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32 ERegistryGetLocalAddress, |
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33 }; |
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34 |
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35 // --------------------------------------------------------------------------- |
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36 // Tells if two TBTNamelessDevice instances are for the same remote device |
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37 // --------------------------------------------------------------------------- |
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38 // |
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39 TBool CompareDeviceByAddress( const TBTNamelessDevice& aDevA, const TBTNamelessDevice& aDevB ) |
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40 { |
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41 return aDevA.Address() == aDevB.Address(); |
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42 } |
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43 |
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44 // --------------------------------------------------------------------------- |
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45 // Tells if these two instances are for the same remote device |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 TBool MatchDeviceAddress(const TBTDevAddr* aAddr, const TBTNamelessDevice& aDev) |
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49 { |
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50 return *aAddr == aDev.Address(); |
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51 } |
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52 |
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53 // ======== MEMBER FUNCTIONS ======== |
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54 |
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55 // --------------------------------------------------------------------------- |
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56 // C++ default constructor |
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57 // --------------------------------------------------------------------------- |
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58 // |
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59 CBTNotifSecurityManager::CBTNotifSecurityManager( |
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60 CBTNotifConnectionTracker& aParent, |
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61 CBtDevRepository& aDevRepository) |
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62 : iParent( aParent ), iDevRepository( aDevRepository ) |
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63 { |
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64 } |
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65 |
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66 // --------------------------------------------------------------------------- |
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67 // Symbian 2nd-phase constructor |
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68 // --------------------------------------------------------------------------- |
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69 // |
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70 void CBTNotifSecurityManager::ConstructL() |
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71 { |
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72 // Connect to pairing server for authentication & simple pairing |
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73 // results directly from the BT stack. |
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74 // Pairing server doesn't exist if we run BT 2.0 stack: |
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75 iPairingServ = new (ELeave) RBluetoothPairingServer; |
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76 TInt err = iPairingServ->Connect(); |
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77 if ( err) |
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78 { |
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79 delete iPairingServ; |
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80 iPairingServ = NULL; |
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81 } |
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82 else |
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83 { |
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84 User::LeaveIfError( iPairingResult.Open( *iPairingServ ) ); |
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85 User::LeaveIfError( iAuthenResult.Open( *iPairingServ ) ); |
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86 iSSPResultActive = CBtSimpleActive::NewL( *this, ESimplePairingResult ); |
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87 iAuthenResultActive = CBtSimpleActive::NewL( *this, EAuthenticationResult ); |
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88 SubscribeSspPairingResult(); |
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89 SubscribeAuthenticateResult(); |
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90 } |
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91 User::LeaveIfError( iRegistry.Open( iParent.RegistryServerSession() ) ); |
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92 // RProperty for accessing the local device address |
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93 User::LeaveIfError( iPropertyLocalAddr.Attach( |
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94 KPropertyUidBluetoothCategory, KPropertyKeyBluetoothGetLocalDeviceAddress) ); |
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95 // Initialise paired devices list |
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96 iLocalAddrActive = CBtSimpleActive::NewL( *this, ERegistryGetLocalAddress ); |
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97 SubscribeLocalAddress(); |
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98 iPairNotifier = CBTNotifPairNotifier::NewL( *this ); |
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99 iDevRepository.AddObserverL( this ); |
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100 iServiceAuthorizer = CBTNotifServiceAuthorizer::NewL(*this); |
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101 } |
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102 |
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103 // --------------------------------------------------------------------------- |
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104 // NewL |
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105 // --------------------------------------------------------------------------- |
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106 // |
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107 CBTNotifSecurityManager* CBTNotifSecurityManager::NewL( |
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108 CBTNotifConnectionTracker& aParent, |
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109 CBtDevRepository& aDevRepository ) |
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110 { |
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111 CBTNotifSecurityManager* self = NULL; |
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112 self = new CBTNotifSecurityManager( aParent, aDevRepository ); |
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113 CleanupStack::PushL( self ); |
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114 self->ConstructL(); |
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115 CleanupStack::Pop( self ); |
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116 return self; |
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117 } |
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118 |
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119 // --------------------------------------------------------------------------- |
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120 // Destructor |
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121 // --------------------------------------------------------------------------- |
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122 // |
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123 CBTNotifSecurityManager::~CBTNotifSecurityManager() |
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124 { |
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125 delete iSSPResultActive; |
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126 delete iAuthenResultActive; |
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127 delete iPairNotifier; |
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128 delete iPairingHandler; |
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129 iPairedDevices.Close(); |
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130 iPairingResult.Close(); |
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131 iAuthenResult.Close(); |
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132 if ( iPairingServ ) |
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133 { |
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134 iPairingServ->Close(); |
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135 delete iPairingServ; |
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136 } |
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137 iRegistry.Close(); |
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138 delete iLocalAddrActive; |
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139 iPropertyLocalAddr.Close(); |
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140 if ( !iMessage.IsNull() ) |
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141 { |
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142 iMessage.Complete( KErrCancel ); |
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143 } |
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144 delete iServiceAuthorizer; |
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145 } |
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146 |
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147 // --------------------------------------------------------------------------- |
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148 // Initialises the paired devices list. |
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149 // If the local address is not available from the P&S key |
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150 // KPropertyKeyBluetoothGetLocalDeviceAddress, then the list may need to be |
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151 // updated once the H/W is switched on. This is so that any registry update |
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152 // from a restore operation can be included in the list, without mistaking the |
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153 // new devices for new pairings. |
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154 // --------------------------------------------------------------------------- |
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155 // |
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156 void CBTNotifSecurityManager::SubscribeLocalAddress() |
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157 { |
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158 // Check that we have the Bluetooth local address. If we don't then initialise anyway, but subscribe for an update. |
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159 // This allows us to refresh our paired devices list to include updates made to the remote devices table of the |
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160 // Bluetooth registry from a restore operation. We need to include these devices without mistaking them for new |
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161 // pairings. We look solely at the P&S key for the address to avoid the condition whereby the address has been |
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162 // entered into the reigstry but the Bluetooth Manager server has not begun the restore process yet. The signalling |
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163 // of the P&S key will cause Bluetooth Manager to update the registry with any restored devices before fulfilling |
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164 // any further requests. |
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165 |
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166 // Subscribe to local address property in case we need an update. |
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167 iPropertyLocalAddr.Subscribe( iLocalAddrActive->iStatus ); |
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168 iLocalAddrActive->SetRequestId( ERegistryGetLocalAddress ); |
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169 iLocalAddrActive->GoActive(); |
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170 } |
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171 |
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172 // --------------------------------------------------------------------------- |
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173 // Tells whether the local address is available from the P&S key |
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174 // KPropertyKeyBluetoothGetLocalDeviceAddress. |
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175 // --------------------------------------------------------------------------- |
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176 // |
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177 TBool CBTNotifSecurityManager::IsLocalAddressAvailable() |
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178 { |
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179 // Attempt to read address from P&S key. |
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180 TBuf8<KBTDevAddrSize> btAddrDes; |
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181 TInt err = iPropertyLocalAddr.Get( btAddrDes ); |
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182 |
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183 // Is the P&S key defined yet? (if not, stack not up yet) |
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184 if ( err == KErrNone ) |
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185 { |
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186 // P&S key defined, is local address set? (if not, H/W not initialised yet) |
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187 if ( btAddrDes.Length() == KBTDevAddrSize ) |
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188 { |
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189 TBTDevAddr btAddr = btAddrDes; |
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190 if ( btAddr != TBTDevAddr() ) |
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191 { |
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192 return ETrue; |
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193 } |
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194 } |
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195 } |
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196 return EFalse; |
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197 } |
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198 |
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199 // --------------------------------------------------------------------------- |
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200 // Handles pairing related requests from BTNotif clients. |
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201 // --------------------------------------------------------------------------- |
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202 // |
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203 void CBTNotifSecurityManager::HandleBondingRequestL( const RMessage2& aMessage ) |
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204 { |
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205 TInt opcode = aMessage.Function(); |
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206 TBTDevAddrPckgBuf addrPkg; |
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207 switch( opcode ) |
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208 { |
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209 case EBTNotifPairDevice: |
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210 { |
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211 if ( !iMessage.IsNull() ) |
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212 { |
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213 User::Leave( KErrServerBusy ); |
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214 } |
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215 TBTDevAddrPckgBuf addrPkg; |
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216 aMessage.ReadL( EBTNotifSrvParamSlot, addrPkg ); |
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217 BlockDevice(addrPkg(),EFalse); |
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218 UnpairDevice( addrPkg() ); |
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219 PairDeviceL( addrPkg(), aMessage.Int2() ); |
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220 iMessage = RMessage2( aMessage ); |
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221 break; |
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222 } |
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223 case EBTNotifCancelPairDevice: |
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224 { |
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225 // Only the client who requested pairing can cancel it: |
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226 if ( !iMessage.IsNull() && aMessage.Session() == iMessage.Session() ) |
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227 { |
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228 iPairingHandler->CancelOutgoingPair(); |
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229 iMessage.Complete( KErrCancel ); |
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230 } |
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231 aMessage.Complete( KErrNone ); |
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232 break; |
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233 } |
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234 default: |
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235 { |
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236 User::Leave( KErrArgument ); |
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237 } |
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238 } |
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239 } |
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240 |
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241 // --------------------------------------------------------------------------- |
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242 // Process a client message related to notifiers. |
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243 // --------------------------------------------------------------------------- |
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244 // |
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245 void CBTNotifSecurityManager::HandleNotifierRequestL( const RMessage2& aMessage ) |
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246 { |
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247 if(aMessage.Int0() == KBTManAuthNotifierUid.iUid) |
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248 { |
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249 iServiceAuthorizer->StartNotifierL( aMessage ); |
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250 } |
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251 else |
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252 { |
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253 iPairNotifier->StartPairingNotifierL( aMessage ); |
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254 } |
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255 |
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256 BOstraceFunctionExit0( DUMMY_DEVLIST); |
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257 } |
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258 |
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259 // --------------------------------------------------------------------------- |
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260 // Returns the RBluetoothPairingServer instance. |
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261 // --------------------------------------------------------------------------- |
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262 // |
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263 RBluetoothPairingServer* CBTNotifSecurityManager::PairingServer() |
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264 { |
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265 return iPairingServ; |
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266 } |
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267 |
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268 // --------------------------------------------------------------------------- |
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269 // Access the reference of RSockServ |
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270 // --------------------------------------------------------------------------- |
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271 // |
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272 RSocketServ& CBTNotifSecurityManager::SocketServ() |
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273 { |
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274 return iParent.SocketServerSession(); |
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275 } |
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276 |
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277 // --------------------------------------------------------------------------- |
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278 // Access the reference of RBTRegSrv |
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279 // --------------------------------------------------------------------------- |
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280 // |
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281 CBtDevRepository& CBTNotifSecurityManager::BTDevRepository() |
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282 { |
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283 return iDevRepository; |
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284 } |
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285 |
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286 // --------------------------------------------------------------------------- |
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287 // Access the reference of CBTNotifConnectionTracker |
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288 // --------------------------------------------------------------------------- |
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289 // |
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290 CBTNotifConnectionTracker& CBTNotifSecurityManager::ConnectionTracker() |
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291 { |
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292 return iParent; |
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293 } |
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294 |
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295 // --------------------------------------------------------------------------- |
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296 // Deletes the current pairing handler and transfer the responsibility |
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297 // to the specified. |
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298 // --------------------------------------------------------------------------- |
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299 // |
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300 void CBTNotifSecurityManager::RenewPairingHandler( |
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301 CBTNotifBasePairingHandler* aPairingHandler ) |
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302 { |
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303 delete iPairingHandler; |
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304 iPairingHandler = aPairingHandler; |
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305 } |
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306 |
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307 // --------------------------------------------------------------------------- |
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308 // Find the session who requested this and completes its request. |
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309 // --------------------------------------------------------------------------- |
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310 // |
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311 void CBTNotifSecurityManager::OutgoingPairCompleted( TInt aErr ) |
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312 { |
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313 // the meaning of KHCIErrorBase equals KErrNone. Hide this specific BT stack |
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314 // detail from clients: |
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315 if ( !iMessage.IsNull() ) |
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316 { |
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317 iMessage.Complete( (aErr == KHCIErrorBase) ? KErrNone : aErr ); |
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318 } |
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319 } |
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320 |
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321 // --------------------------------------------------------------------------- |
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322 // A session will be ended, completes the pending request for this session. |
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323 // --------------------------------------------------------------------------- |
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324 // |
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325 void CBTNotifSecurityManager::SessionClosed( CSession2* aSession ) |
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326 { |
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327 BOstrace1(TRACE_DEBUG,DUMMY_DEVLIST," session %x", aSession); |
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328 if ( !iMessage.IsNull() && iMessage.Session() == aSession ) |
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329 { |
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330 iMessage.Complete( KErrCancel ); |
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331 } |
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332 } |
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333 |
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334 // --------------------------------------------------------------------------- |
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335 // Unpair the device from registry |
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336 // --------------------------------------------------------------------------- |
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337 // |
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338 void CBTNotifSecurityManager::UnpairDevice( const TBTDevAddr& aAddr ) |
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339 { |
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340 TIdentityRelation<TBTNamelessDevice> addrComp( CompareDeviceByAddress ); |
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341 TBTNamelessDevice dev; |
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342 dev.SetAddress( aAddr ); |
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343 // only do unpairing if the we have a link key with it. |
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344 TInt index = iPairedDevices.Find( dev, addrComp ); |
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345 if ( index > KErrNotFound ) |
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346 { |
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347 dev = iPairedDevices[index]; |
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348 TRequestStatus status( KRequestPending ); |
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349 // Unpair the device in registry (synchronously) |
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350 iRegistry.UnpairDevice( dev.Address(), status ); |
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351 User::WaitForRequest( status ); |
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352 BOstrace1(TRACE_DEBUG,DUMMY_DEVLIST,"Delete link key, res %d", status.Int()); |
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353 if ( status == KErrNone ) |
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354 { |
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355 TBTDeviceSecurity security = dev.GlobalSecurity(); |
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356 // Clear trust setting so that correct icon will be shown in ui applications. |
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357 security.SetNoAuthenticate(EFalse ); |
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358 security.SetNoAuthorise(EFalse ); |
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359 dev.SetGlobalSecurity(security); |
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360 dev.DeleteLinkKey(); |
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361 if ( dev.IsValidUiCookie() && |
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362 ( dev.UiCookie() & EBTUiCookieJustWorksPaired ) ) |
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363 { |
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364 // Remove the UI cookie bit for Just Works pairing. |
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365 TInt32 cookie = dev.UiCookie() & ~EBTUiCookieJustWorksPaired; |
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366 dev.SetUiCookie( cookie ); |
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367 BOstrace1(TRACE_DEBUG,DUMMY_DEVLIST,"UI cookie %x cleared", EBTUiCookieJustWorksPaired ); |
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368 } |
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369 // modify the device in registry synchronously |
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370 // status.Int() could be -1 if the device is not in registry |
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371 // which is totally fine for us. |
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372 (void) UpdateRegDevice( dev ); |
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373 } |
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374 } |
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375 } |
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376 |
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377 void CBTNotifSecurityManager::BlockDevice( const TBTDevAddr& aAddr , TBool aBanned) |
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378 { |
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379 TIdentityRelation<TBTNamelessDevice> addrComp( CompareDeviceByAddress ); |
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380 TBTNamelessDevice dev; |
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381 dev.SetAddress( aAddr ); |
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382 TRequestStatus status( KRequestPending ); |
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383 // Unpair the device in registry (synchronously) |
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384 iRegistry.GetDevice(dev,status); |
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385 User::WaitForRequest( status ); |
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386 if(status == KErrNone) |
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387 { |
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388 TBTDeviceSecurity security = dev.GlobalSecurity(); |
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389 security.SetBanned(aBanned); |
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390 if ( aBanned ) |
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391 { |
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392 security.SetNoAuthorise(EFalse); |
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393 } |
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394 dev.SetGlobalSecurity(security); |
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395 (void)UpdateRegDevice(dev); |
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396 } |
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397 } |
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398 |
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399 TInt CBTNotifSecurityManager::AddUiCookieJustWorksPaired( const TBTNamelessDevice& aDev ) |
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400 { |
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401 TInt err( KErrNone ); |
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402 // There might be UI cookies used by other applications, |
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403 // we should not overwrite them. |
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404 TInt32 cookie = aDev.IsValidUiCookie() ? aDev.UiCookie() : EBTUiCookieUndefined; |
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405 if ( !( cookie & EBTUiCookieJustWorksPaired ) ) |
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406 { |
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407 // Only update the cookie if the wanted one is not in registry yet |
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408 // to keep minimal operations with registry. |
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409 TBTNamelessDevice dev = aDev; |
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410 cookie |= EBTUiCookieJustWorksPaired; |
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411 dev.SetUiCookie( cookie ); |
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412 err = UpdateRegDevice( dev ); |
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413 BOstrace1(TRACE_DEBUG,DUMMY_DEVLIST,"Outgoing Pairing write Ui cookie ret %d", err ); |
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414 } |
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415 return err; |
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416 } |
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417 |
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418 // --------------------------------------------------------------------------- |
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419 // update a nameless device in registry |
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420 // --------------------------------------------------------------------------- |
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421 // |
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422 TInt CBTNotifSecurityManager::UpdateRegDevice( const TBTNamelessDevice& aDev ) |
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423 { |
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424 TRequestStatus status( KRequestPending ); |
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425 // update the device in registry synchronously |
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426 iRegistry.ModifyDevice( aDev, status ); |
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427 User::WaitForRequest( status ); |
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428 BOstrace1(TRACE_DEBUG,DUMMY_DEVLIST,"UpdateRegDevice, ret %d", status.Int()); |
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429 return status.Int(); |
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430 } |
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431 |
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432 // --------------------------------------------------------------------------- |
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433 // 0000 for outgoing pairing with a headset. |
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434 // The placeholder for future extension (pin code passed in for pairing) |
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435 // --------------------------------------------------------------------------- |
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436 // |
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437 void CBTNotifSecurityManager::GetPinCode( |
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438 TBTPinCode& aPin, const TBTDevAddr& aAddr, TInt aMinPinLength ) |
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439 { |
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440 if ( iPairingHandler ) |
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441 { |
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442 iPairingHandler->GetPinCode( aPin, aAddr, aMinPinLength ); |
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443 } |
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444 else |
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445 { |
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446 // make sure not to leave any text as PIN. |
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447 aPin.Zero(); |
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448 aPin().iLength = 0; |
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449 } |
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450 } |
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451 |
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452 // --------------------------------------------------------------------------- |
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453 // Ask server class the connection status of the specified device |
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454 // --------------------------------------------------------------------------- |
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455 // |
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456 TBTEngConnectionStatus CBTNotifSecurityManager::ConnectStatus( const TBTDevAddr& aAddr ) |
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457 { |
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458 const CBtDevExtension* devExt = iDevRepository.Device(aAddr); |
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459 TBTEngConnectionStatus status = EBTEngNotConnected; |
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460 if ( devExt ) |
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461 { |
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462 status = devExt->ServiceConnectionStatus(); |
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463 } |
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464 return status; |
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465 } |
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466 |
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467 // --------------------------------------------------------------------------- |
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468 // From class MBTNotifPairingAOObserver. |
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469 // Checks if there is an authentication result. |
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470 // --------------------------------------------------------------------------- |
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471 // |
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472 void CBTNotifSecurityManager::RequestCompletedL( CBtSimpleActive* aActive, TInt aStatus ) |
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473 { |
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474 BOstraceExt2(TRACE_DEBUG,DUMMY_DEVLIST,"aId: %d, aStatus: %d", aActive->RequestId(), aStatus); |
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475 // Check which request is completed. |
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476 switch( aActive->RequestId() ) |
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477 { |
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478 case ESimplePairingResult: |
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479 { |
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480 TBTDevAddr tmpAddr = iSimplePairingRemote; |
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481 if (aStatus != KErrServerTerminated) |
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482 { |
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483 SubscribeSspPairingResult(); |
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484 } |
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485 HandlePairingResultL( tmpAddr, aStatus ); |
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486 break; |
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487 } |
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488 case EAuthenticationResult: |
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489 { |
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490 TBTDevAddr tmpAddr = iAuthenticateRemote; |
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491 if (aStatus != KErrServerTerminated) |
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492 { |
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493 SubscribeAuthenticateResult(); |
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494 } |
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495 HandlePairingResultL( tmpAddr, aStatus ); |
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496 break; |
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497 } |
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498 case ERegistryGetLocalAddress: |
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499 { |
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500 TBool value = IsLocalAddressAvailable(); |
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501 SubscribeLocalAddress(); |
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502 if ( value ) |
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503 { |
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504 // Refresh paired devices list to include any restored devices. |
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505 iDevRepository.ReInitialize(); |
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506 } |
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507 break; |
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508 } |
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509 default: |
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510 // Should not be possible, but no need for handling. |
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511 break; |
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512 } |
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513 } |
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514 |
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515 // --------------------------------------------------------------------------- |
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516 // From class MBTEngActiveObserver. |
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517 // cancels an outstanding request according to the given id. |
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518 // --------------------------------------------------------------------------- |
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519 // |
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520 void CBTNotifSecurityManager::CancelRequest( TInt aRequestId ) |
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521 { |
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522 switch ( aRequestId ) |
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523 { |
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524 case ESimplePairingResult: |
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525 { |
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526 // Cancel listening Simple pairing result |
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527 iPairingResult.CancelSimplePairingResult(); |
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528 break; |
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529 } |
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530 case EAuthenticationResult: |
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531 { |
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532 // Cancel listening authentication result |
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533 iAuthenResult.CancelAuthenticationResult(); |
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534 break; |
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535 } |
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536 case ERegistryGetLocalAddress: |
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537 { |
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538 // cancel listening local address status change |
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539 iPropertyLocalAddr.Cancel(); |
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540 break; |
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541 } |
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542 } |
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543 } |
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544 |
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545 // --------------------------------------------------------------------------- |
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546 // From class MBtSimpleActiveObserver. |
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547 // --------------------------------------------------------------------------- |
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548 // |
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549 void CBTNotifSecurityManager::HandleError( CBtSimpleActive* aActive, TInt aError ) |
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550 { |
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551 BOstraceExt2(TRACE_DEBUG,DUMMY_DEVLIST,"request id: %d, error: %d", aActive->RequestId(), aError); |
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552 (void) aActive; |
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553 (void) aError; |
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554 } |
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555 |
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556 // --------------------------------------------------------------------------- |
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557 // From class MBtDevRepositoryObserver. |
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558 // --------------------------------------------------------------------------- |
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559 // |
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560 void CBTNotifSecurityManager::RepositoryInitialized() |
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561 { |
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562 TRAPD(err, UpdatePairedDeviceListL() ); |
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563 if ( !err && iPairingHandler ) |
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564 { |
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565 // non-null pairing handler means we are involved in a |
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566 // pairing operation already. |
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567 // todo: is some handling for above case needed? |
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568 } |
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569 } |
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570 |
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571 // --------------------------------------------------------------------------- |
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572 // From class MBtDevRepositoryObserver. |
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573 // --------------------------------------------------------------------------- |
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574 // |
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575 void CBTNotifSecurityManager::DeletedFromRegistry( const TBTDevAddr& aAddr ) |
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576 { |
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577 // We are only interested in the removal of a paired device. |
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578 // thus check whether it is in our local paired list: |
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579 TInt i = iPairedDevices.Find( aAddr, MatchDeviceAddress); |
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580 if ( i > KErrNotFound ) |
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581 { |
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582 iPairedDevices.Remove( i ); |
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583 } |
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584 } |
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585 |
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586 // --------------------------------------------------------------------------- |
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587 // From class MBtDevRepositoryObserver. |
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588 // --------------------------------------------------------------------------- |
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589 // |
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590 void CBTNotifSecurityManager::AddedToRegistry( const CBtDevExtension& aDevice ) |
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591 { |
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592 // We are only interested in paired device. |
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593 if ( CBtDevExtension::IsBonded( aDevice.Device().AsNamelessDevice() ) ) |
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594 { |
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595 TRAP_IGNORE( |
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596 HandleRegistryBondingL( aDevice.Device().AsNamelessDevice() ) ); |
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597 } |
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598 } |
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599 |
|
600 |
|
601 // --------------------------------------------------------------------------- |
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602 // From class MBtDevRepositoryObserver. |
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603 // --------------------------------------------------------------------------- |
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604 // |
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605 void CBTNotifSecurityManager::ChangedInRegistry( |
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606 const CBtDevExtension& aDevice, TUint aSimilarity ) |
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607 { |
|
608 // We are only interested in paired device. |
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609 // thus check whether it is in our local paired list: |
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610 TInt i = iPairedDevices.Find( aDevice.Addr(), MatchDeviceAddress); |
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611 TBool bonded = CBtDevExtension::IsBonded( aDevice.Device().AsNamelessDevice() ); |
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612 if ( i == KErrNotFound ) |
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613 { |
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614 if ( bonded ) |
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615 { |
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616 TRAP_IGNORE( |
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617 HandleRegistryBondingL( |
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618 aDevice.Device().AsNamelessDevice() ) ); |
|
619 } |
|
620 return; |
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621 } |
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622 // Device was inregistry before, but we need to evaluate its bonding |
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623 // status. |
|
624 // The given similarity will tell if the linkkey and paired is changed |
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625 // or not. |
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626 TInt pairingProperty = TBTNamelessDevice::EIsPaired |
|
627 | TBTNamelessDevice::ELinkKey; |
|
628 if ( ( pairingProperty & aSimilarity) == pairingProperty ) |
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629 { |
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630 // no pairing or linkkey change. Nothing to do for pairing handling. |
|
631 // but we'd better update local copy just in case other data |
|
632 // of this device is needed by someone: |
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633 iPairedDevices[i] = aDevice.Device().AsNamelessDevice(); |
|
634 return; |
|
635 } |
|
636 if ( !CBtDevExtension::IsBonded( aDevice.Device().AsNamelessDevice() ) ) |
|
637 { |
|
638 // device is not user-bonded. |
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639 iPairedDevices.Remove( i ); |
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640 return; |
|
641 } |
|
642 // it is a new paired device if its link-key has been upgraded |
|
643 if ( aDevice.Device().LinkKeyType() != ELinkKeyUnauthenticatedUpgradable ) |
|
644 { |
|
645 iPairedDevices.Remove( i ); |
|
646 TRAP_IGNORE( |
|
647 HandleRegistryBondingL( |
|
648 aDevice.Device().AsNamelessDevice() ) ); |
|
649 } |
|
650 } |
|
651 |
|
652 // --------------------------------------------------------------------------- |
|
653 // From class MBtDevRepositoryObserver. |
|
654 // This class is not interested in such events. |
|
655 // --------------------------------------------------------------------------- |
|
656 // |
|
657 void CBTNotifSecurityManager::ServiceConnectionChanged( |
|
658 const CBtDevExtension& aDevice, TBool aConnected ) |
|
659 { |
|
660 (void) aDevice; |
|
661 (void) aConnected; |
|
662 } |
|
663 |
|
664 // --------------------------------------------------------------------------- |
|
665 // Activate or deactivate a pairing handler |
|
666 // --------------------------------------------------------------------------- |
|
667 // |
|
668 TInt CBTNotifSecurityManager::SetPairObserver(const TBTDevAddr& aAddr, TBool aActivate) |
|
669 { |
|
670 BOstrace1(TRACE_DEBUG,DUMMY_DEVLIST,"%d", aActivate); |
|
671 BtTraceBtAddr0(TRACE_DEBUG,DUMMY_DEVLIST, aAddr ); |
|
672 TInt err( KErrNone ); |
|
673 if ( !aActivate ) |
|
674 { |
|
675 if ( iPairingHandler ) |
|
676 { |
|
677 iPairingHandler->StopPairHandling( aAddr ); |
|
678 } |
|
679 return err; |
|
680 } |
|
681 |
|
682 if ( !iPairingHandler) |
|
683 { |
|
684 // This is an incoming pair, unpair it from registry and |
|
685 // create the handler: |
|
686 UnpairDevice( aAddr ); |
|
687 TRAP( err, iPairingHandler = CBTNotifIncomingPairingHandler::NewL( *this, aAddr )); |
|
688 } |
|
689 if ( iPairingHandler) |
|
690 { |
|
691 // let the handler decide what to do: |
|
692 err = iPairingHandler->ObserveIncomingPair( aAddr ); |
|
693 } |
|
694 return err; |
|
695 } |
|
696 |
|
697 // --------------------------------------------------------------------------- |
|
698 // Delegates the request to current pair handler |
|
699 // --------------------------------------------------------------------------- |
|
700 // |
|
701 void CBTNotifSecurityManager::PairDeviceL( const TBTDevAddr& aAddr, TUint32 aCod ) |
|
702 { |
|
703 if ( !iPairingHandler) |
|
704 { |
|
705 // no existing pair handling, create one: |
|
706 iPairingHandler = CBTNotifOutgoingPairingHandler::NewL( *this, aAddr ); |
|
707 } |
|
708 // let pair handler decide what to do: |
|
709 iPairingHandler->HandleOutgoingPairL( aAddr, aCod ); |
|
710 } |
|
711 |
|
712 // --------------------------------------------------------------------------- |
|
713 // cancel Subscribings to simple pairing result and authentication result from |
|
714 // Pairing Server |
|
715 // --------------------------------------------------------------------------- |
|
716 // |
|
717 void CBTNotifSecurityManager::CancelSubscribePairingAuthenticate() |
|
718 { |
|
719 if( iSSPResultActive ) |
|
720 { |
|
721 // Cancel listening Simple pairing result |
|
722 iSSPResultActive->Cancel(); |
|
723 } |
|
724 if( iAuthenResultActive ) |
|
725 { |
|
726 iAuthenResultActive->Cancel(); |
|
727 } |
|
728 } |
|
729 |
|
730 // --------------------------------------------------------------------------- |
|
731 // Subscribes to simple pairing result from Pairing Server (if not already |
|
732 // subscribed). |
|
733 // --------------------------------------------------------------------------- |
|
734 // |
|
735 void CBTNotifSecurityManager::SubscribeSspPairingResult() |
|
736 { |
|
737 if ( !iSSPResultActive->IsActive() ) |
|
738 { |
|
739 iPairingResult.SimplePairingResult( iSimplePairingRemote, iSSPResultActive->RequestStatus() ); |
|
740 iSSPResultActive->GoActive(); |
|
741 } |
|
742 } |
|
743 |
|
744 // --------------------------------------------------------------------------- |
|
745 // Subscribes to authentication result from Pairing Server (if not already |
|
746 // subscribed). |
|
747 // --------------------------------------------------------------------------- |
|
748 // |
|
749 void CBTNotifSecurityManager::SubscribeAuthenticateResult() |
|
750 { |
|
751 if ( !iAuthenResultActive->IsActive() ) |
|
752 { |
|
753 // Subscribe authentication result (which requires pairing for unpaired devices) |
|
754 iAuthenResult.AuthenticationResult( iAuthenticateRemote, iAuthenResultActive->RequestStatus() ); |
|
755 iAuthenResultActive->GoActive(); |
|
756 } |
|
757 } |
|
758 |
|
759 // --------------------------------------------------------------------------- |
|
760 // Handle a pairing result from the pairing server. |
|
761 // --------------------------------------------------------------------------- |
|
762 // |
|
763 void CBTNotifSecurityManager::HandlePairingResultL( const TBTDevAddr& aAddr, TInt aResult ) |
|
764 { |
|
765 BOstrace1(TRACE_DEBUG,DUMMY_DEVLIST,"result %d", aResult); |
|
766 BtTraceBtAddr0(TRACE_DEBUG,DUMMY_DEVLIST, aAddr ); |
|
767 |
|
768 if ( !iPairingHandler && ( aResult == KErrNone || aResult == KHCIErrorBase ) ) |
|
769 { |
|
770 // we only create new handler if incoming pairing succeeds. |
|
771 // Pairing failure could be caused by user local cancellation, as the |
|
772 // result, the handler was destroyed by notifier. We shall not |
|
773 // instantiate the handler again. |
|
774 // If a pairing failed due to other reasons than user local cancelling, |
|
775 // it will be catched by the already started handler |
|
776 // (except Just Works pairing - no handler for it at all until we receive |
|
777 // registry change event. Thus if incoming JWs pairing failed, no user |
|
778 // notification will be shown.) |
|
779 iPairedDevices.Find( aAddr, MatchDeviceAddress); |
|
780 TInt index = iPairedDevices.Find( aAddr, MatchDeviceAddress); |
|
781 // If the device is not found in the old paired device list, it is a new |
|
782 // paired device: |
|
783 if ( index == KErrNotFound) |
|
784 { |
|
785 // No handler yet, create incoming pairing handler: |
|
786 iPairingHandler = CBTNotifIncomingPairingHandler::NewL( *this, aAddr ); |
|
787 } |
|
788 } |
|
789 if ( iPairingHandler ) |
|
790 { |
|
791 iPairingHandler->HandlePairServerResult( aAddr, aResult ); |
|
792 } |
|
793 } |
|
794 |
|
795 // --------------------------------------------------------------------------- |
|
796 // copy the nameless devices to local array |
|
797 // --------------------------------------------------------------------------- |
|
798 // |
|
799 void CBTNotifSecurityManager::UpdatePairedDeviceListL() |
|
800 { |
|
801 iPairedDevices.Reset(); |
|
802 const RDevExtensionArray& alldevs = iDevRepository.AllDevices(); |
|
803 for ( TInt i = 0; i < alldevs.Count(); i++ ) |
|
804 { |
|
805 if ( CBtDevExtension::IsBonded( alldevs[i]->Device().AsNamelessDevice() ) ) |
|
806 { |
|
807 iPairedDevices.AppendL( alldevs[i]->Device().AsNamelessDevice() ); |
|
808 } |
|
809 } |
|
810 } |
|
811 |
|
812 // --------------------------------------------------------------------------- |
|
813 // Create incoming pairing handler if no one exists yet. |
|
814 // --------------------------------------------------------------------------- |
|
815 // |
|
816 void CBTNotifSecurityManager::HandleRegistryBondingL( |
|
817 const TBTNamelessDevice& aNameless) |
|
818 { |
|
819 TInt err = iPairedDevices.Append( aNameless ); |
|
820 if ( !err && !iPairingHandler) |
|
821 { |
|
822 // New paired device, but no pairing handler yet. |
|
823 // this means an incoming pairing has occured: |
|
824 TRAP( err, iPairingHandler = |
|
825 CBTNotifIncomingPairingHandler::NewL( *this, aNameless.Address() ) ); |
|
826 } |
|
827 if ( !err ) |
|
828 { |
|
829 // We have a pairing handler now. |
|
830 // Ask pair handler to decide what to do: |
|
831 iPairingHandler->HandleRegistryNewPairedEvent( |
|
832 aNameless ); |
|
833 } |
|
834 else if ( iPairingHandler ) |
|
835 { |
|
836 // error could occur due to no memory, |
|
837 // let us try aborting pairing handling |
|
838 iPairingHandler->StopPairHandling( aNameless.Address() ); |
|
839 } |
|
840 } |
|
841 |
|
842 void CBTNotifSecurityManager::TrustDevice( const TBTDevAddr& aAddr ) |
|
843 { |
|
844 TIdentityRelation<TBTNamelessDevice> addrComp( CompareDeviceByAddress ); |
|
845 TBTNamelessDevice dev; |
|
846 dev.SetAddress( aAddr ); |
|
847 TRequestStatus status( KRequestPending ); |
|
848 |
|
849 iRegistry.GetDevice(dev,status); |
|
850 User::WaitForRequest( status ); |
|
851 if(status == KErrNone) |
|
852 { |
|
853 TBTDeviceSecurity security = dev.GlobalSecurity(); |
|
854 security.SetNoAuthorise(ETrue); |
|
855 security.SetBanned(EFalse); |
|
856 dev.SetGlobalSecurity(security); |
|
857 (void)UpdateRegDevice(dev); |
|
858 } |
|
859 } |
|
860 |
|