wim/WimServer/src/WimTrustSettingsHandler.cpp
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     1 /*
       
     2 * Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Handler class for Trust Settings Store calls from WimClient
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include    "WimTrustSettingsHandler.h"
       
    22 #include    "WimTrustSettingsStore.h"
       
    23 #include    "WimClsv.h"
       
    24 #include    "WimCertInfo.h"
       
    25 #include    "WimTrace.h"
       
    26 
       
    27 #ifdef _DEBUG
       
    28 _LIT( KWimTrustSettPanic, "WimTrustSett" );
       
    29 #endif
       
    30 
       
    31 // ============================ MEMBER FUNCTIONS ===============================
       
    32 
       
    33 // -----------------------------------------------------------------------------
       
    34 // CWimTrustSettingsHandler::CWimTrustSettingsHandler
       
    35 // C++ default constructor can NOT contain any code, that
       
    36 // might leave.
       
    37 // -----------------------------------------------------------------------------
       
    38 //
       
    39 CWimTrustSettingsHandler::CWimTrustSettingsHandler( 
       
    40     CWimTrustSettingsStore* aWimTrustSettingsStore )
       
    41     : CActive( EPriorityStandard ),
       
    42       iWimTrustSettingsStore( aWimTrustSettingsStore )
       
    43     {
       
    44     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::CWimTrustSettingsHandler | Begin"));
       
    45     }
       
    46 
       
    47 // -----------------------------------------------------------------------------
       
    48 // CWimTrustSettingsHandler::ConstructL
       
    49 // Symbian 2nd phase constructor can leave.
       
    50 // -----------------------------------------------------------------------------
       
    51 //
       
    52 void CWimTrustSettingsHandler::ConstructL()
       
    53     {
       
    54     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::ConstructL | Begin"));
       
    55     CActiveScheduler::Add( this );
       
    56     }
       
    57 
       
    58 // -----------------------------------------------------------------------------
       
    59 // CWimTrustSettingsHandler::NewL
       
    60 // Two-phased constructor.
       
    61 // -----------------------------------------------------------------------------
       
    62 //
       
    63 CWimTrustSettingsHandler* CWimTrustSettingsHandler::NewL( 
       
    64     CWimTrustSettingsStore* aWimTrustSettingsStore ) 
       
    65     {
       
    66     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::NewL | Begin"));
       
    67     CWimTrustSettingsHandler* self = new( ELeave ) CWimTrustSettingsHandler( 
       
    68     aWimTrustSettingsStore );
       
    69  
       
    70     CleanupStack::PushL( self );
       
    71     self->ConstructL();
       
    72     CleanupStack::Pop( self );
       
    73 
       
    74     return self;
       
    75     }
       
    76 
       
    77     
       
    78 // Destructor
       
    79 CWimTrustSettingsHandler::~CWimTrustSettingsHandler()
       
    80     {
       
    81     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::~CWimTrustSettingsHandler | Begin"));
       
    82     iApplications.Close();
       
    83     delete iCertInfo;
       
    84     iWimTrustSettingsStore = NULL;  // not owned
       
    85     }
       
    86 
       
    87 // -----------------------------------------------------------------------------
       
    88 // CWimTrustSettingsHandler::GetTrustSettingsL
       
    89 // Fetches trust settings for given certificate. 
       
    90 // -----------------------------------------------------------------------------
       
    91 //
       
    92 void CWimTrustSettingsHandler::GetTrustSettingsL( const RMessage2& aMessage )
       
    93     {
       
    94     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::GetTrustSettingsL | Begin"));
       
    95 
       
    96     TPckgBuf<TWimCertInfoPckg> pckg;
       
    97 
       
    98     aMessage.ReadL( 0, pckg );
       
    99 
       
   100     __ASSERT_DEBUG( iCertInfo == NULL, User::Panic( KWimTrustSettPanic, KErrGeneral ) );
       
   101     iCertInfo = CWimCertInfo::InternalizeL( pckg() );
       
   102 
       
   103     iStatus = KRequestPending;
       
   104     iMessage = aMessage;
       
   105     iPhase = EGetTrustSettings;
       
   106     SetActive();
       
   107     iWimTrustSettingsStore->GetTrustSettings( *iCertInfo,
       
   108                                               iTrusted,
       
   109                                               iApplications, 
       
   110                                               iStatus );
       
   111     }
       
   112 
       
   113 // -----------------------------------------------------------------------------
       
   114 // CWimTrustSettingsHandler::SetApplicabilityL
       
   115 // Set applicability for given certificate. New certificate entry is set if
       
   116 // one not found from database (trust flag is set to EFalse).
       
   117 // -----------------------------------------------------------------------------
       
   118 //
       
   119 void CWimTrustSettingsHandler::SetApplicabilityL( const RMessage2& aMessage )
       
   120     {
       
   121     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::SetApplicabilityL | Begin"));
       
   122 
       
   123     TPckgBuf<TWimCertInfoPckg> pckg;
       
   124     aMessage.ReadL( 0, pckg );
       
   125 
       
   126     __ASSERT_DEBUG( iCertInfo == NULL, User::Panic( KWimTrustSettPanic, KErrGeneral ) );
       
   127     iCertInfo = CWimCertInfo::InternalizeL( pckg() );
       
   128 
       
   129     RArray<TUid> applications;
       
   130     CleanupClosePushL( applications );
       
   131 
       
   132     TPckgBuf<TTrustSettings> trustSettingsPckg;
       
   133 
       
   134     aMessage.ReadL( 1, trustSettingsPckg );
       
   135 
       
   136     TInt applicationCount = trustSettingsPckg().iApplicationCount;
       
   137 
       
   138     for ( TInt i = 0; i < applicationCount; i++ )
       
   139         {
       
   140         TUid uid;
       
   141         uid.iUid = trustSettingsPckg().iUids[i];
       
   142         applications.Append( uid );
       
   143         }
       
   144 
       
   145     iStatus = KRequestPending;
       
   146     iMessage = aMessage;
       
   147     iPhase = ESetApplicability;
       
   148     SetActive();
       
   149     iWimTrustSettingsStore->SetApplicability( *iCertInfo,
       
   150                                               applications,
       
   151                                               iStatus );
       
   152 
       
   153     CleanupStack::PopAndDestroy( &applications );
       
   154     }
       
   155 
       
   156 // -----------------------------------------------------------------------------
       
   157 // CWimTrustSettingsHandler::SetTrustL
       
   158 // Set trust flag for given certificate. New certificate entry is set if
       
   159 // one not found from database.
       
   160 // -----------------------------------------------------------------------------
       
   161 //
       
   162 void CWimTrustSettingsHandler::SetTrustL( const RMessage2& aMessage )
       
   163     {
       
   164     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::SetTrustL | Begin"));
       
   165 
       
   166     TPckgBuf<TWimCertInfoPckg> pckg;
       
   167     aMessage.ReadL( 0, pckg );
       
   168 
       
   169     __ASSERT_DEBUG( iCertInfo == NULL, User::Panic( KWimTrustSettPanic, KErrGeneral ) );
       
   170     iCertInfo = CWimCertInfo::InternalizeL( pckg() );
       
   171 
       
   172     TPckgBuf<TTrustSettings> trustSettingsPckg;
       
   173 
       
   174     aMessage.ReadL( 1, trustSettingsPckg );
       
   175 
       
   176     TBool trusted = trustSettingsPckg().iTrusted;
       
   177 
       
   178     iStatus = KRequestPending;
       
   179     iMessage = aMessage;
       
   180     iPhase = ESetTrust;
       
   181 
       
   182     SetActive();
       
   183 
       
   184     iWimTrustSettingsStore->SetTrust( *iCertInfo,
       
   185                                       trusted,
       
   186                                       iStatus );
       
   187     }
       
   188 
       
   189 // -----------------------------------------------------------------------------
       
   190 // CWimTrustSettingsHandler::SetDefaultTrustSettingsL
       
   191 // Set default trust settings for given certificate. If certificate not
       
   192 // found from database new entry is inserted.
       
   193 // -----------------------------------------------------------------------------
       
   194 //
       
   195 void CWimTrustSettingsHandler::SetDefaultTrustSettingsL( 
       
   196     const RMessage2& aMessage )
       
   197     {
       
   198     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::SetDefaultTrustSettingsL | Begin"));
       
   199 
       
   200     TPckgBuf<TWimCertInfoPckg> pckg;
       
   201     aMessage.ReadL( 0, pckg );
       
   202    
       
   203     TBool addApps = aMessage.Int1();
       
   204 
       
   205     __ASSERT_DEBUG( iCertInfo == NULL, User::Panic( KWimTrustSettPanic, KErrGeneral ) );
       
   206     iCertInfo = CWimCertInfo::InternalizeL( pckg() );
       
   207 
       
   208     iStatus = KRequestPending;
       
   209     iMessage = aMessage;
       
   210     iPhase = ESetDefaultTrustSettings;
       
   211     SetActive();
       
   212     iWimTrustSettingsStore->SetDefaultTrustSettings( *iCertInfo,
       
   213                                                      addApps, 
       
   214                                                      iStatus );
       
   215     }
       
   216 
       
   217 // -----------------------------------------------------------------------------
       
   218 // CWimTrustSettingsHandler::RemoveTrustSettingsL
       
   219 // Remove trust settings of given certificate. If certificate
       
   220 // is not found, return with status.Int() = KErrNotFound
       
   221 // -----------------------------------------------------------------------------
       
   222 //
       
   223 void CWimTrustSettingsHandler::RemoveTrustSettingsL( const RMessage2& aMessage )
       
   224     {
       
   225     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::RemoveTrustSettingsL | Begin"));
       
   226 
       
   227     TPckgBuf<TWimCertInfoPckg> pckg;
       
   228     aMessage.ReadL( 0, pckg );
       
   229 
       
   230     __ASSERT_DEBUG( iCertInfo == NULL, User::Panic( KWimTrustSettPanic, KErrGeneral ) );
       
   231     iCertInfo = CWimCertInfo::InternalizeL( pckg() );
       
   232 
       
   233     iStatus = KRequestPending;
       
   234     iMessage = aMessage;
       
   235     iPhase = ERemoveTrustSettings;
       
   236     SetActive();
       
   237     iWimTrustSettingsStore->RemoveTrustSettings( *iCertInfo,
       
   238                                                  iStatus );
       
   239     }
       
   240 
       
   241 // -----------------------------------------------------------------------------
       
   242 // CWimTrustSettingsHandler::CancelDoing
       
   243 // Cancel ongoing TrustSettingsStore operation
       
   244 // -----------------------------------------------------------------------------
       
   245 //
       
   246 void CWimTrustSettingsHandler::CancelDoing()
       
   247     {
       
   248     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::CancelDoing | Begin"));
       
   249 
       
   250     iWimTrustSettingsStore->CancelDoing();
       
   251     }
       
   252 
       
   253 // -----------------------------------------------------------------------------
       
   254 // CWimTrustSettingsHandler::RunL
       
   255 // Complete asynchronous call
       
   256 // -----------------------------------------------------------------------------
       
   257 //
       
   258 void CWimTrustSettingsHandler::RunL()
       
   259     {
       
   260     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::RunL | Begin"));
       
   261 
       
   262     delete iCertInfo;
       
   263     iCertInfo = NULL;
       
   264     
       
   265     switch ( iPhase )
       
   266         {
       
   267         case EGetTrustSettings:
       
   268             {
       
   269             TInt applicationCount = iApplications.Count();
       
   270 
       
   271             // Check that there is no more apps than allocated in array for
       
   272             // If there is more applications than there is space in array
       
   273             // complete message and return
       
   274             if ( applicationCount > KMaxApplicationCount )
       
   275                 {
       
   276                 iMessage.Complete( KErrOverflow );
       
   277                 iApplications.Close();
       
   278                 return;
       
   279                 }
       
   280 
       
   281             TPckgBuf<TTrustSettings> trustSettings;
       
   282             iMessage.ReadL( 1, trustSettings );
       
   283             trustSettings().iTrusted = iTrusted;
       
   284             trustSettings().iApplicationCount = iApplications.Count();
       
   285 
       
   286             for ( TInt i = 0; i < iApplications.Count(); i++ )
       
   287                 {
       
   288                 trustSettings().iUids[i] = iApplications[i].iUid;
       
   289                 }
       
   290 
       
   291             iApplications.Close();
       
   292             iMessage.WriteL( 1, trustSettings );
       
   293             break;
       
   294             }
       
   295 
       
   296         case ESetDefaultTrustSettings:  // Flow through
       
   297         case ESetApplicability:         // Flow through
       
   298         case ESetTrust:                 // Flow through
       
   299         case ERemoveTrustSettings:
       
   300             {
       
   301             break;
       
   302             }
       
   303 
       
   304         default:
       
   305             {
       
   306             break;
       
   307             }
       
   308         }
       
   309 
       
   310     iMessage.Complete( iStatus.Int() );
       
   311     }
       
   312 
       
   313 // -----------------------------------------------------------------------------
       
   314 // CWimTrustSettingsHandler::DoCancel
       
   315 // 
       
   316 // -----------------------------------------------------------------------------
       
   317 //
       
   318 void CWimTrustSettingsHandler::DoCancel()
       
   319     {
       
   320     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::DoCancel | Begin"));
       
   321     }
       
   322 
       
   323 // -----------------------------------------------------------------------------
       
   324 // CWimTrustSettingsHandler::RunError
       
   325 // Handle trapped leave in RunL. Complete message with leave error code and
       
   326 // close open resources that need be freed.
       
   327 // -----------------------------------------------------------------------------
       
   328 //
       
   329 TInt CWimTrustSettingsHandler::RunError( TInt aError )
       
   330     {
       
   331     _WIMTRACE(_L("WIM | WIMServer | CWimTrustSettingsHandler::RunError | Begin"));
       
   332 
       
   333     iMessage.Complete( aError );
       
   334     iApplications.Close();
       
   335     return KErrNone;
       
   336     }
       
   337 
       
   338 //  End of File