policymanagement/policyengine/centreptoolserver/src/CentRepToolServer.cpp
changeset 0 b497e44ab2fc
child 73 ae69c2e8bc34
equal deleted inserted replaced
-1:000000000000 0:b497e44ab2fc
       
     1 /*
       
     2 * Copyright (c) 2002-2004 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: Implementation of policymanagement components
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "CentRepToolServer.h"
       
    20 #include "RepositorySession.h"
       
    21 #include "debug.h"
       
    22 
       
    23 #include "CentRepToolClientServer.h"
       
    24 #include <e32svr.h>
       
    25 
       
    26    
       
    27 // ----------------------------------------------------------------------------------------
       
    28 // Server startup code
       
    29 // ----------------------------------------------------------------------------------------
       
    30 
       
    31 static void RunServerL()
       
    32 	{
       
    33 	// naming the server thread after the server helps to debug panics
       
    34 	User::LeaveIfError(User::RenameThread(KCentRepToolServerName));
       
    35 
       
    36 	// create and install the active scheduler
       
    37 	CActiveScheduler* s=new(ELeave) CActiveScheduler;
       
    38 	CleanupStack::PushL(s);
       
    39 	CActiveScheduler::Install(s);
       
    40 	
       
    41 	// create the server (leave it on the cleanup stack)
       
    42 	CCentRepToolServer::NewLC();
       
    43 	// Initialisation complete, now signal the client
       
    44 
       
    45 	RProcess::Rendezvous(KErrNone);
       
    46 
       
    47 	// Ready to run
       
    48 	RDEBUG("Centrep tool server is running");
       
    49 	CActiveScheduler::Start();
       
    50 	
       
    51 	// Cleanup the server and scheduler
       
    52 	CleanupStack::PopAndDestroy(2);
       
    53 	}
       
    54 
       
    55 // Server process entry-point
       
    56 TInt E32Main()
       
    57 	{
       
    58 	__UHEAP_MARK;
       
    59 	RDEBUG( "CentRepToolServer: E32Main");
       
    60 	CTrapCleanup* cleanup=CTrapCleanup::New();
       
    61 	TInt r=KErrNoMemory;
       
    62 	if (cleanup)
       
    63 		{
       
    64 		TRAP(r,RunServerL());
       
    65 		delete cleanup;
       
    66 		}
       
    67 	__UHEAP_MARKEND;
       
    68 	return r;
       
    69 	}
       
    70     
       
    71 // RMessagePtr2::Panic() also completes the message. This is:
       
    72 // (a) important for efficient cleanup within the kernel
       
    73 // (b) a problem if the message is completed a second time
       
    74 void PanicClient(const RMessagePtr2& aMessage, TCentRepToolServerPanic aPanic)
       
    75 	{
       
    76 	RDEBUG("CentRepTool PanicClient");
       
    77 	aMessage.Panic( IniConstants::KCentRepToolPanic,aPanic);
       
    78 	}
       
    79 
       
    80     
       
    81 // ----------------------------------------------------------------------------------------
       
    82 // CShutDown
       
    83 // ----------------------------------------------------------------------------------------
       
    84 inline CShutdown::CShutdown()
       
    85 	:CTimer(-1)
       
    86 	{
       
    87 	CActiveScheduler::Add(this);
       
    88 	}
       
    89 	
       
    90 inline void CShutdown::ConstructL()
       
    91 	{
       
    92 	CTimer::ConstructL();
       
    93 	}
       
    94 
       
    95 inline void CShutdown::Start()
       
    96 	{
       
    97 	RDEBUG("CentRepToolServer: starting shutdown timeout");
       
    98 	After(KPolicyEngineShutdownDelay);
       
    99 	}
       
   100 
       
   101 void CShutdown::RunL()
       
   102 	{
       
   103 	RDEBUG("CentRepToolServer timeout ... closing");
       
   104 	CActiveScheduler::Stop();
       
   105 	}
       
   106 
       
   107 // ----------------------------------------------------------------------------------------
       
   108 // CPolicyEngineServer
       
   109 // ----------------------------------------------------------------------------------------
       
   110 inline CCentRepToolServer::CCentRepToolServer()
       
   111 	:CPolicyServer(0, CentRepToolSecurityPolicy,ESharableSessions)
       
   112 	{
       
   113 	}
       
   114 	
       
   115 CServer2* CCentRepToolServer::NewLC()
       
   116 	{
       
   117 	CentRepToolSecurityPolicy.iOnConnect = KCentRepToolSecurityElementsIndex[2];	//Specifis that only policy engine may connect to server
       
   118 	CentRepToolSecurityPolicy.iRangeCount = KCentRepToolRangeCount;					//number of ranges                                   
       
   119 	CentRepToolSecurityPolicy.iRanges = KCentRepToolRanges;							
       
   120 	CentRepToolSecurityPolicy.iElementsIndex = KCentRepToolSecurityElementsIndex;
       
   121 	CentRepToolSecurityPolicy.iElements = KCentRepToolSecurityElements;
       
   122 
       
   123 	RDEBUG("CentRepToolServer: CentRepToolServer::NewLC");
       
   124 	
       
   125 	CCentRepToolServer* self=new(ELeave) CCentRepToolServer;
       
   126 	CleanupStack::PushL(self);
       
   127 	self->ConstructL();
       
   128 	return self;
       
   129 	}
       
   130 	
       
   131 CCentRepToolServer::~CCentRepToolServer()
       
   132 {
       
   133 	delete iContainerIndex;
       
   134 }
       
   135 
       
   136 // 2nd phase construction - ensure the timer and server objects are running
       
   137 void CCentRepToolServer::ConstructL()
       
   138 	{
       
   139 	StartL(KCentRepToolServerName);
       
   140 	
       
   141 	iContainerIndex = CObjectConIx::NewL();
       
   142 	
       
   143 	iShutdown.ConstructL();
       
   144 	// ensure that the server still exits even if the 1st client fails to connect
       
   145 	iShutdown.Start();
       
   146 	}
       
   147 
       
   148 
       
   149 // Create a new client session. This should really check the version number.
       
   150 CSession2* CCentRepToolServer::NewSessionL(const TVersion&,const RMessage2&) const
       
   151 	{
       
   152 	RDEBUG("CentRepToolServer: CCentRepToolServer::NewSessionL");
       
   153 	return new (ELeave) CCentRepToolSession();
       
   154 	}
       
   155 
       
   156 // A new session is being created
       
   157 // Cancel the shutdown timer if it was running
       
   158 void CCentRepToolServer::AddSession()
       
   159 	{
       
   160 	RDEBUG("CentRepToolServer: CPolicyEngineServer::AddSession");
       
   161 	++iSessionCount;
       
   162 	iShutdown.Cancel();
       
   163 	}
       
   164 
       
   165 // A session is being destroyed
       
   166 // Start the shutdown timer if it is the last session.
       
   167 void CCentRepToolServer::DropSession()
       
   168 	{
       
   169 	RDEBUG("CentRepToolServer: CPolicyEngineServer::DropSession");
       
   170 	if (--iSessionCount==0)
       
   171 		iShutdown.Start();
       
   172 	}
       
   173 
       
   174 CObjectCon* CCentRepToolServer::NewContainerL()
       
   175 	{
       
   176 	return iContainerIndex->CreateL();
       
   177 	}
       
   178 
       
   179 inline CCentRepToolSession::CCentRepToolSession()
       
   180 	{
       
   181 	RDEBUG("CentRepToolServer: CCentRepToolSession::CCentRepToolSession");
       
   182 	}
       
   183 	
       
   184 inline CCentRepToolServer& CCentRepToolSession::Server()
       
   185 	{
       
   186 	return *static_cast<CCentRepToolServer*>(const_cast<CServer2*>(CSession2::Server()));
       
   187 	}
       
   188 
       
   189 // 2nd phase construct for sessions - called by the CServer framework
       
   190 void CCentRepToolSession::CreateL()
       
   191 	{
       
   192 	RDEBUG("CentRepTool Server: CCentRepToolSession::CreateL");
       
   193 	
       
   194 	iRepositorySessions = CObjectIx::NewL();
       
   195 	iContainer = Server().NewContainerL();
       
   196 	
       
   197 	Server().AddSession();
       
   198 	}
       
   199 
       
   200 CCentRepToolSession::~CCentRepToolSession()
       
   201 	{
       
   202 	RDEBUG("CentRepTool Server: CCentRepToolSession::~CCentRepToolSession");
       
   203 	
       
   204 	delete iRepositorySessions;
       
   205 	
       
   206 	Server().DropSession();
       
   207 	}
       
   208 
       
   209 
       
   210 
       
   211 
       
   212 
       
   213 
       
   214 void CCentRepToolSession::ServiceL(const RMessage2& aMessage)
       
   215 {
       
   216 	iCurrentSession = 0;
       
   217 	TRAPD(err,DispatchMessageL(aMessage));
       
   218 	
       
   219 	aMessage.Complete(err);
       
   220 }
       
   221 
       
   222 void CCentRepToolSession::DispatchMessageL(const RMessage2& aMessage)
       
   223 	{
       
   224 	//Subsession management
       
   225 	switch (aMessage.Function())
       
   226 	{
       
   227 		case ECreateRepositorySubSession:
       
   228 		case ECreateCheckAccessSession:
       
   229 		{
       
   230 			RDEBUG("CentRepTool: New repository session");
       
   231 			NewRepositorySessionL( aMessage);
       
   232 			return;
       
   233 		}
       
   234 		case ECloseRepositorySubSession:
       
   235 		case ECloseCheckAcceessSession:
       
   236 		{
       
   237 			RDEBUG("CentRepTool: Close repository session");
       
   238 			DeleteRepositorySession( aMessage);
       
   239 			return;
       
   240 		}
       
   241 		case ECheckCommitState :
       
   242 		{
       
   243 			RDEBUG("CentRepTool: Check last commit state");
       
   244 			CRepositorySession::CheckCommitStateL();
       
   245 			return;
       
   246 		}
       
   247 		case EPerformCentRepToolRFS :
       
   248 		{
       
   249 			RDEBUG("CentRepTool: Perform RFS");
       
   250 			PerformRFSL();
       
   251 			return;
       
   252 		}
       
   253 	}
       
   254 
       
   255 	//Trusted session operations
       
   256 	CRepositorySession * repositorySession = RepositorySessionFromHandle( aMessage);
       
   257 	iCurrentSession = repositorySession;
       
   258 			
       
   259 	switch (aMessage.Function())
       
   260 	{
       
   261 		case EInitRepositorySession:
       
   262 		{
       
   263 			RDEBUG("CentRepTool: Init repository session");
       
   264 			repositorySession->InitRepositorySessionL();
       
   265 		}
       
   266 		break;
       
   267 		case ESetSIDWRForSetting :
       
   268 		{
       
   269 			RDEBUG("CentRepTool: Add SID for individual setting");
       
   270 			repositorySession->SetSecurityIdForSettingL( aMessage);
       
   271 		}
       
   272 		break;
       
   273 		case ESetSIDWRForRange:
       
   274 		{
       
   275 			RDEBUG("CentRepTool: Add SID for range");
       
   276 			repositorySession->SetSecurityIdForRangeL( aMessage);
       
   277 		}
       
   278 		break;		
       
   279 		case ERestoreSetting :
       
   280 		{
       
   281 			RDEBUG("CentRepTool: Restore individual setting");
       
   282 			repositorySession->RestoreSettingL( aMessage);
       
   283 		}
       
   284 		break;		
       
   285 		case ERestoreRange :
       
   286 		{
       
   287 			RDEBUG("CentRepTool: Restore range");
       
   288 			repositorySession->RestoreRangeL( aMessage);
       
   289 		}
       
   290 		break;
       
   291 		case EAddSIDWRForDefaults :
       
   292 		{
       
   293 			RDEBUG("CentRepTool: Add SID for all settings (default, range, mask)");
       
   294 			repositorySession->AddSidForDefaultsL( aMessage);
       
   295 		}
       
   296 		break;
       
   297 		case ERestoreDefaults :
       
   298 		{
       
   299 			RDEBUG("CentRepTool: ");
       
   300 			RDEBUG("CentRepTool: Remove SID from all settings (default, range, mask)");
       
   301 			repositorySession->RestoreDefaultsL( aMessage);
       
   302 		}
       
   303 		break;
       
   304 		case EFlushRepository :
       
   305 		{
       
   306 			RDEBUG("CentRepTool: Commit security changes in repository");
       
   307 			repositorySession->CommitRepositoryL();
       
   308 		}
       
   309 		break;
       
   310 		case ESetSIDWRForMask :
       
   311 		{
       
   312 			RDEBUG("CentRepTool: Set SID for mask setting");
       
   313 			repositorySession->SetSecurityIdForMaskL( aMessage);
       
   314 		}
       
   315 		break;
       
   316 		case ERestoreMask :
       
   317 		{
       
   318 			RDEBUG("CentRepTool: Restore mask setting");
       
   319 			repositorySession->RestoreMaskL( aMessage);
       
   320 		}
       
   321 		break;
       
   322 		case ERemoveBackupFlagForMask:
       
   323 		{
       
   324 			RDEBUG("CentRepTool: Set backup flag for mask");
       
   325 			repositorySession->RemoveBackupForMaskL( aMessage);
       
   326 		}
       
   327 		break;
       
   328 		case ERestoreBackupFlagForMask:
       
   329 		{
       
   330 			RDEBUG("CentRepTool: Restore backup flag for mask");
       
   331 			repositorySession->RestoreMaskBackupL( aMessage);
       
   332 		}
       
   333 		break;
       
   334 		case ERemoveBackupFlagForDefaults:
       
   335 		{
       
   336 			RDEBUG("CentRepTool: Set backup flag for defaults");
       
   337 			repositorySession->RemoveDefaultBackup();
       
   338 		}
       
   339 		break;
       
   340 		case ERestoreBackupFlagForDefaults:
       
   341 		{
       
   342 			RDEBUG("CentRepTool: Restore backup flag for defaults");
       
   343 			repositorySession->RestoreDefaultBackupL();
       
   344 		}
       
   345 		break;		
       
   346 		case ERemoveBackupFlagForRange:
       
   347 		{
       
   348 			RDEBUG("CentRepTool: Set backup flag for range");
       
   349 			repositorySession->RemoveBackupForRangeL( aMessage);
       
   350 		}
       
   351 		break;
       
   352 		case ERestoreBackupFlagForRange:
       
   353 		{
       
   354 			RDEBUG("CentRepTool: Restore backup flag for range");
       
   355 			repositorySession->RestoreRangeBackupL( aMessage);
       
   356 		}
       
   357 		break;		
       
   358 		case ECheckAccess:
       
   359 		{
       
   360 			RDEBUG("CentRepTool: Check access");
       
   361 			repositorySession->CheckAccessL( aMessage);
       
   362 		}
       
   363 		break;		
       
   364 		default:
       
   365 		break;	
       
   366 	}		
       
   367 		
       
   368 }
       
   369 
       
   370 void CCentRepToolSession::PerformRFSL()
       
   371 {
       
   372 	RDEBUG("CentRepToolSession: Restore factory setting operation started");
       
   373 	//RFS tasks in centrep tool
       
   374 	// 1. restory setting enforcements
       
   375 	// 2. remove backup and temp files from private directory
       
   376 	
       
   377 	
       
   378 	//clean private directory
       
   379 	RFs rfs;
       
   380 	TInt err = rfs.Connect();
       
   381 	if( err != KErrNone )
       
   382 		{
       
   383 		RDEBUG_2("**** CCentRepToolSession::PerformRFSL() - failed to connect to RFs: %d", err );
       
   384 		return;
       
   385 		}
       
   386 		
       
   387 	CleanupClosePushL( rfs);
       
   388 	
       
   389 	TBuf<100> privatePath;
       
   390 	err = rfs.PrivatePath( privatePath);
       
   391 	
       
   392 	if ( err == KErrNone)
       
   393 	{
       
   394 		//remove files from private directory, also backups
       
   395 		CFileMan* file = CFileMan::NewL( rfs);
       
   396 		
       
   397 		privatePath.Append(_L("*.*"));
       
   398 		err = file->Delete( privatePath, CFileMan::ERecurse);
       
   399 		delete file;
       
   400 	}
       
   401 	
       
   402 	CleanupStack::PopAndDestroy( &rfs);	
       
   403 	
       
   404 	RDEBUG("CentRepToolSession: Restore factory setting operation finished");
       
   405 }
       
   406 
       
   407 	
       
   408 CRepositorySession* CCentRepToolSession::RepositorySessionFromHandle( const RMessage2& aMessage)
       
   409     {
       
   410 	CRepositorySession* repositorySession = (CRepositorySession*)iRepositorySessions->At(aMessage.Int3());
       
   411 	
       
   412 	if (repositorySession == NULL)
       
   413 	{
       
   414 		PanicClient( aMessage, EBadSubsessionHandle); 
       
   415 	}
       
   416 	
       
   417 	return repositorySession;
       
   418     }
       
   419 
       
   420 
       
   421 // Create a new counter; pass back its handle via the message
       
   422 void CCentRepToolSession::NewRepositorySessionL( const RMessage2& aMessage)
       
   423 	{
       
   424 
       
   425 	TUid repositoryUid;
       
   426 	TPckg<TUid> repositoryUidPack( repositoryUid);
       
   427 	aMessage.ReadL(0, repositoryUidPack);
       
   428 	
       
   429 	//add new CTrustedSession object into container and object index
       
   430 	CRepositorySession * repositorySession = CRepositorySession::NewL( repositoryUid);
       
   431 	
       
   432 	iContainer->AddL( repositorySession);
       
   433 	TInt handle = iRepositorySessions->AddL( repositorySession);
       
   434 
       
   435 	//transmit handle to client 
       
   436 	TPckg<TInt> handlePckg(handle);
       
   437 	TRAPD( r, aMessage.WriteL(3, handlePckg))
       
   438 
       
   439 	if ( r != KErrNone)
       
   440 		{
       
   441 		iRepositorySessions->Remove(handle);
       
   442 		PanicClient( aMessage, EBadDescriptor);
       
   443 		return;
       
   444 		}
       
   445 		
       
   446 	iSubsessionCount++;	
       
   447 	}
       
   448 	
       
   449 void CCentRepToolSession::DeleteRepositorySession( const RMessage2& aMessage)
       
   450 {
       
   451 	// panic if bad handle
       
   452 	CRepositorySession* repositorySession = (CRepositorySession*)iRepositorySessions->At(aMessage.Int3());
       
   453 	if (repositorySession == NULL)
       
   454 		PanicClient( aMessage, EBadSubsessionHandle); 
       
   455 	iRepositorySessions->Remove(aMessage.Int3());	
       
   456 	
       
   457 	iSubsessionCount--;
       
   458 }	
       
   459 	
       
   460 
       
   461 // Handle an error from CentRepTool::ServiceL()
       
   462 void CCentRepToolSession::ServiceError(const RMessage2& aMessage,TInt aError)
       
   463 	{
       
   464 	RDEBUG_2("CentRepTool: CentRepTool::ServiceError %d",aError);
       
   465 	CSession2::ServiceError(aMessage,aError);
       
   466 	}