installationservices/swi/source/swis/server/installserver.cpp
changeset 0 ba25891c3a9e
child 25 7333d7932ef7
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-1:000000000000 0:ba25891c3a9e
       
     1 /*
       
     2 * Copyright (c) 1997-2009 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 the License "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: 
       
    15 * SWIS implementation
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 /**
       
    21  @file
       
    22 */
       
    23 
       
    24 #include "installserver.h"
       
    25 #include "installclientserver.h"
       
    26 #include "installmachine.h"
       
    27 #include "uninstallmachine.h"
       
    28 #include "swispubsubdefs.h"
       
    29 #include "restoremachine.h"
       
    30 #include "log.h"
       
    31 #include "packageremover.h"
       
    32 
       
    33 #include <connect/sbdefs.h>
       
    34 #include <swi/pkgremover.h>
       
    35 
       
    36 namespace Swi
       
    37 {
       
    38 
       
    39 /**
       
    40  * Local function to panic an offending client
       
    41  * @internalTechnology
       
    42  * @released
       
    43  */
       
    44 static void PanicClient(const RMessagePtr2& aMessage,
       
    45 	TInstallServerPanic aPanic)
       
    46 	{
       
    47 	aMessage.Panic(KInstallServerName, aPanic);
       
    48 	}
       
    49 
       
    50 //
       
    51 // CInstallSession
       
    52 //
       
    53 
       
    54 // 2nd phase construction, called by the server framework
       
    55 void CInstallSession::CreateL()
       
    56 	{
       
    57 	Server().AddSession();
       
    58 
       
    59 #ifdef __WINSCW__
       
    60 	// For 2 minutes after initial boot, DLLs are not unloaded. If we are doing an
       
    61 	// install/uninstall/restore, we need to make sure any pending unloadeds are actioned,
       
    62 	// otherwise a previously loaded DLL could cause the rollback to fail on windows (on
       
    63 	// arm it is legal to delete a loaded DLL/EXE, whilst on windows it is not).
       
    64 	RLoader loader;
       
    65 	TInt r = loader.Connect();
       
    66 	if(r == KErrNone)
       
    67 		{
       
    68 		(void)loader.CancelLazyDllUnload();
       
    69 		loader.Close();
       
    70 		}
       
    71 #endif
       
    72 	}
       
    73 
       
    74 CInstallSession::~CInstallSession()
       
    75 	{
       
    76 	delete iMachine;
       
    77 	delete iRestoreMachine;
       
    78 	delete iRemover;
       
    79 	Server().ListRemoveInProgress(EFalse);
       
    80 	RProperty::Set(KUidSystemCategory, KUidSoftwareInstallKey, ESwisNone);
       
    81 	Server().DropSession();
       
    82 	}
       
    83 
       
    84 CInstallServer& CInstallSession::Server()
       
    85 	{
       
    86 	return *static_cast<CInstallServer*>(const_cast<CServer2*>(
       
    87 		CSession2::Server()));
       
    88 	}
       
    89 
       
    90 // Handle a client request. Leaving is handled by ServiceError() which reports 
       
    91 // the error code to the client
       
    92 void CInstallSession::ServiceL(const RMessage2& aMessage)
       
    93 	{
       
    94 	// Handle the cancel message first
       
    95 	if (aMessage.Function()==ECancel)
       
    96 		{
       
    97 		DEBUG_PRINTF(_L8("CInstallSession::ServiceL() cancel function called"));
       
    98 		// Set status as aborted
       
    99 		TInt property;
       
   100 		if (RProperty::Get(KUidSystemCategory, KUidSoftwareInstallKey, property) == KErrNone)
       
   101 			{
       
   102 			RProperty::Set(KUidSystemCategory, KUidSoftwareInstallKey, property | ESwisStatusAborted);
       
   103 			}	
       
   104 
       
   105 		if (iMachine)
       
   106 			{
       
   107 			iMachine->CancelInstallation();
       
   108 			}	
       
   109 		
       
   110 		aMessage.Complete(KErrNone);
       
   111 		return;
       
   112 		}
       
   113 	
       
   114 	TInt property = 0;
       
   115 	TInt err = RProperty::Get(KUidSystemCategory, conn::KUidBackupRestoreKey, property);
       
   116 
       
   117 	if (err != KErrNone && err != KErrNotFound)
       
   118 		{
       
   119 		User::Leave(err);
       
   120 		}
       
   121 	
       
   122 	if (iMachine != NULL)
       
   123 		{
       
   124 		DEBUG_PRINTF2(_L8("Install Server Message %d refused. Install/Uninstall in progress"), aMessage.Function());
       
   125 		aMessage.Complete(KErrInUse);
       
   126 		}
       
   127 
       
   128 	/*
       
   129 	 * We must return KErrInUse if:
       
   130 	 * 1) The Connect P&S property indicates we are doing a backup/restore
       
   131 	 * 2) We are not servicing that restore operation with this request
       
   132 	 * 3) A list/remove operation is in progress
       
   133 	 *
       
   134 	 */
       
   135 	else if ((iRemover != NULL) || Server().IsListRemoveInProgress())
       
   136 		{
       
   137 		// Remove operation in progress
       
   138 		DEBUG_PRINTF2(_L8("Install Server Message '%d' refused. List/Remove in progress"), aMessage.Function());
       
   139 		aMessage.Complete(KErrInUse);
       
   140 		}
       
   141 	else if (err != KErrNotFound && (property & (conn::KBURPartTypeMask^conn::EBURNormal)) 
       
   142 				&& aMessage.Function() != ERestore && !iRestoreMachine)
       
   143 		{
       
   144 		DEBUG_PRINTF2(_L8("Install Server Message '%d' refused. Backup/Restore in progress"), aMessage.Function());
       
   145 		aMessage.Complete(KErrInUse);
       
   146 		}
       
   147 	else
       
   148 		{
       
   149 		switch (aMessage.Function())
       
   150 			{
       
   151 			case EInstall:
       
   152 				{
       
   153 				DEBUG_PRINTF(_L8("CInstallSession::ServiceL() install function called"));
       
   154 				
       
   155 				err = RProperty::Set(KUidSystemCategory, KUidSoftwareInstallKey, ESwisInstall);
       
   156 				User::LeaveIfError(err);
       
   157 				
       
   158 				iMachine=CInstallMachine::NewL(aMessage);
       
   159 				User::LeaveIfError(iMachine->Start());
       
   160 				// The state machine will complete the client once the work 
       
   161 				// is done.
       
   162 				break;
       
   163 				}
       
   164 			#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK
       
   165 			case EGetComponentInfo:
       
   166 				{
       
   167 				DEBUG_PRINTF(_L8("CInstallSession::ServiceL() get component info function called"));
       
   168 							
       
   169 				iMachine=CInstallMachine::NewL(aMessage, ETrue);
       
   170 				// Set the install machine to run on comp info collection mode.
       
   171 				User::LeaveIfError(iMachine->Start());
       
   172 				// The state machine will complete the client once the work 
       
   173 				// is done.
       
   174 				break;
       
   175 				}			
       
   176 			#endif
       
   177 			case EUninstall:
       
   178 				{
       
   179 				DEBUG_PRINTF(_L8("CInstallSession::ServiceL() uninstall function called"));
       
   180 				
       
   181 				err = RProperty::Set(KUidSystemCategory, KUidSoftwareInstallKey, ESwisUninstall);
       
   182 				User::LeaveIfError(err);
       
   183 
       
   184 				iMachine=CUninstallMachine::NewL(aMessage);
       
   185 				User::LeaveIfError(iMachine->Start());
       
   186 	
       
   187 				// The state machine will complete the client once the work 
       
   188 				// is done.
       
   189 				break;
       
   190 				}
       
   191 				
       
   192 			case ERestore:
       
   193 				{
       
   194 				
       
   195 				DEBUG_PRINTF(_L8("CInstallSession::ServiceL() restore function called"));
       
   196 				
       
   197 				err = RProperty::Set(KUidSystemCategory, KUidSoftwareInstallKey, ESwisRestore);
       
   198 				User::LeaveIfError(err);
       
   199 				
       
   200 				if (iRestoreMachine && !iRestoreMachine->IsComplete())
       
   201 					{
       
   202 					
       
   203 					aMessage.Complete(KErrInUse);
       
   204 					
       
   205 					}
       
   206 					
       
   207 				if (iRestoreMachine)
       
   208 					{
       
   209 					
       
   210 					delete iRestoreMachine;
       
   211 					iRestoreMachine = NULL;
       
   212 					
       
   213 					}
       
   214 				
       
   215 				iRestoreMachine = CRestoreMachine::NewL(aMessage);
       
   216 				break;
       
   217 				
       
   218 				}
       
   219 			case ERestoreFile:
       
   220 				{
       
   221 				
       
   222 				DEBUG_PRINTF(_L8("CInstallSession::ServiceL() restore file function called"));
       
   223 				
       
   224 				if (iRestoreMachine == NULL)
       
   225 					{
       
   226 					
       
   227 					// Should never be reached
       
   228 					aMessage.Panic(KInstallServerName, KErrNotReady);
       
   229 					
       
   230 					}
       
   231 				else
       
   232 					{
       
   233 					
       
   234 					iRestoreMachine->ServiceFileRequestL(aMessage);
       
   235 					
       
   236 					}
       
   237 				break;
       
   238 				
       
   239 				}
       
   240 			case ERestoreCommit:
       
   241 				{
       
   242 				
       
   243 				DEBUG_PRINTF(_L8("CInstallSession::ServiceL() commit function called"));
       
   244 				
       
   245 				if (iRestoreMachine == NULL)
       
   246 					{
       
   247 					
       
   248 					// Should never be reached
       
   249 					aMessage.Panic(KInstallServerName, KErrNotReady);
       
   250 					
       
   251 					}
       
   252 				else
       
   253 					{
       
   254 					
       
   255 					iRestoreMachine->ServiceCommitRequestL(aMessage);
       
   256 					
       
   257 					}
       
   258 				break;
       
   259 				
       
   260 				}
       
   261 			case EListUnInstalledPkgs:
       
   262 				{
       
   263 				Server().ListRemoveInProgress(ETrue);
       
   264 
       
   265 				iRemover = CPackageRemover::NewL(aMessage);
       
   266 				iRemover->ListL();
       
   267 				// The state will complete the client once the work 
       
   268 				// is done.
       
   269 				break;	
       
   270 				}
       
   271 			case ERemoveUnInstalledPkg:
       
   272 				{
       
   273 				Server().ListRemoveInProgress(ETrue);
       
   274 
       
   275 				iRemover = CPackageRemover::NewL(aMessage);
       
   276 				iRemover->RemoveL();
       
   277 				// The state will complete the client once the work 
       
   278 				// is done.
       
   279 				break;	
       
   280 				}
       
   281 			default:
       
   282 				{
       
   283 				DEBUG_PRINTF2(_L8("CInstallSession::ServiceL() unknown function called (%d)"), aMessage.Function());
       
   284 				PanicClient(aMessage, Swi::EPanicInstallServerIllegalFunction);
       
   285 				break;
       
   286 				}
       
   287 			}
       
   288 		}
       
   289 	}
       
   290 
       
   291 // Handle an error from ServiceL(). A bad descriptor error implies a badly 
       
   292 // programmed client, so panic it. Otherwise use the default handling (report 
       
   293 // the error to the client).
       
   294 void CInstallSession::ServiceError(const RMessage2& aMessage, TInt aError)
       
   295 	{
       
   296 	
       
   297 	// set the pubsub flag to aborted status
       
   298 	TInt property = 0;
       
   299 	TInt err = RProperty::Get(KUidSystemCategory, KUidSoftwareInstallKey, property);
       
   300 	
       
   301 	if (err == KErrNone)
       
   302 		{
       
   303 		RProperty::Set(KUidSystemCategory, KUidSoftwareInstallKey, property | ESwisStatusAborted);
       
   304 		}
       
   305 	
       
   306 	if (aError==KErrBadDescriptor)
       
   307 		PanicClient(aMessage, EPanicInstallServerBadDescriptor);
       
   308 	CSession2::ServiceError(aMessage, aError);
       
   309 	}
       
   310 
       
   311 //
       
   312 // CInstallServerShutdown
       
   313 //
       
   314 
       
   315 inline CInstallServerShutdown::CInstallServerShutdown()
       
   316 :	CTimer(-1)
       
   317 	{
       
   318 	CActiveScheduler::Add(this);
       
   319 	}
       
   320 
       
   321 CInstallServerShutdown::~CInstallServerShutdown()
       
   322 	{
       
   323 	Cancel();
       
   324 	}
       
   325 
       
   326 inline void CInstallServerShutdown::ConstructL()
       
   327 	{
       
   328 	CTimer::ConstructL();
       
   329 	}
       
   330 
       
   331 inline void CInstallServerShutdown::Start()
       
   332 	{
       
   333 	After(KShutdownDelay);
       
   334 	}
       
   335 
       
   336 // Initiate server exit when the timer expires
       
   337 void CInstallServerShutdown::RunL()
       
   338 	{
       
   339 	CActiveScheduler::Stop();
       
   340 	}
       
   341 
       
   342 //
       
   343 // CInstallServer
       
   344 //
       
   345 
       
   346 // All functions require TrustedUI capability
       
   347 const TInt CInstallServer::iRanges[iRangeCount] = 
       
   348                 {
       
   349                 0 // All connect attempts
       
   350                 };
       
   351 
       
   352 const TUint8 CInstallServer::iElementsIndex[iRangeCount] = 
       
   353                 {
       
   354                 CPolicyServer::ECustomCheck // Custom check polices for TrustedUI or SID from connect.
       
   355                 };
       
   356 
       
   357 const CPolicyServer::TPolicy CInstallServer::iPolicy =
       
   358                 {
       
   359                 CPolicyServer::ECustomCheck,					// specifies all connect attempts
       
   360                 iRangeCount,
       
   361                 iRanges,
       
   362                 iElementsIndex,
       
   363                 NULL,
       
   364                 };
       
   365 
       
   366 CInstallServer* CInstallServer::NewLC()
       
   367 	{
       
   368 	CInstallServer* self = new(ELeave) CInstallServer();
       
   369 	CleanupStack::PushL(self);
       
   370 	self->ConstructL();
       
   371 	return self;
       
   372 	}
       
   373 
       
   374 CInstallServer::~CInstallServer()
       
   375 	{
       
   376 	DEBUG_PRINTF(_L8("Install Server Shutdown"));
       
   377 	CSecurityPolicy::ReleaseResource();
       
   378 	delete iShutdown;
       
   379 	iShutdown = NULL; //required in case the server dies before the session
       
   380 	}
       
   381 
       
   382 // This server does not offer sharable sessions
       
   383 CInstallServer::CInstallServer()
       
   384 : 	CPolicyServer(EPriorityMore, iPolicy, EUnsharableSessions),
       
   385 	iListRemoveInProgress(EFalse)
       
   386 	{
       
   387 	}
       
   388 
       
   389 // Ensure the timer and server objects are running
       
   390 void CInstallServer::ConstructL()
       
   391 	{
       
   392 	DEBUG_PRINTF(_L8("Install Server Created"));
       
   393 	StartL(KInstallServerName);
       
   394 	iShutdown = new(ELeave) CInstallServerShutdown;
       
   395 	iShutdown->ConstructL();
       
   396 	// Ensure that the server still exits even if the 1st client fails to
       
   397 	// connect
       
   398 	iShutdown->Start();
       
   399 	
       
   400 #ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK
       
   401 	// Create the property used to publish SWI Progress Bar Value. Since this property is not needed
       
   402 	// if the SWI component doesn't exist, it is created here.
       
   403 	TInt err = RProperty::Define(KUidInstallServerCategory, KUidSwiProgressBarValueKey, RProperty::EInt);
       
   404 	if (err != KErrNone && err != KErrAlreadyExists)
       
   405 		{
       
   406 		DEBUG_PRINTF2(_L8("Progress Bar Property couldn't be created. Error=%d."), err);
       
   407 		User::Leave(err);
       
   408 		}
       
   409 #endif	
       
   410 	}
       
   411 	
       
   412 	
       
   413 CPolicyServer::TCustomResult CInstallServer::CustomSecurityCheckL(const RMessage2& aMsg, 
       
   414 	TInt& /*aAction*/, TSecurityInfo& aMissing)
       
   415 	{
       
   416 	
       
   417 	_LIT_SECURE_ID(secureBackupClientSID, 0x10202D56);
       
   418 	
       
   419 	if (aMsg.SecureId().iId == secureBackupClientSID.iId)
       
   420 		{
       
   421 		return CPolicyServer::EPass;
       
   422 		}
       
   423 	else if (aMsg.HasCapability(ECapabilityTrustedUI, 
       
   424 		__PLATSEC_DIAGNOSTIC_STRING("CInstallServer::CustomSecurityTest client process does not have Trusted UI Capability")))
       
   425 		{
       
   426 		// Check additional capability for listing and removing "uninstalled" packages
       
   427 		if ((aMsg.Function() == EListUnInstalledPkgs) && !aMsg.HasCapability(ECapabilityReadDeviceData, 
       
   428 			__PLATSEC_DIAGNOSTIC_STRING("CInstallServer::CustomSecurityTest client process does not have ReadDeviceData Capability")))
       
   429 			{
       
   430 			aMissing.iCaps.Set(ECapabilityReadDeviceData);
       
   431 			return CPolicyServer::EFail;
       
   432 			}
       
   433 
       
   434 		if ((aMsg.Function() == ERemoveUnInstalledPkg) && !aMsg.HasCapability(ECapabilityWriteDeviceData, 
       
   435 			__PLATSEC_DIAGNOSTIC_STRING("CInstallServer::CustomSecurityTest client process does not have WriteDeviceData Capability")))
       
   436 			{
       
   437 			aMissing.iCaps.Set(ECapabilityWriteDeviceData);
       
   438 			return CPolicyServer::EFail;
       
   439 			}
       
   440 
       
   441 		return CPolicyServer::EPass;
       
   442 		}
       
   443 	else
       
   444 		{
       
   445 		// Missing connect SID or TrustedUI capability, cannot complete connection
       
   446 		aMissing.iCaps.Set(ECapabilityTrustedUI);
       
   447 		return CPolicyServer::EFail;
       
   448 		}
       
   449 	}
       
   450 
       
   451 CSession2* CInstallServer::NewSessionL(const TVersion& aClientVersion, 
       
   452 	const RMessage2&) const
       
   453 	{
       
   454  
       
   455 	// Currently there is only one version of the InstallServer		
       
   456 	const TVersion serverVersion(KInstallServerVersionMajor,KInstallServerVersionMinor,KInstallServerVersionBuild);  
       
   457 
       
   458 	// Check that the version of the server requested is not greater than 
       
   459 	// that available. 	
       
   460 	if (!User::QueryVersionSupported(serverVersion, aClientVersion))
       
   461 		{
       
   462 		User::Leave(KErrNotSupported);
       
   463 		}
       
   464 		
       
   465 	return new(ELeave) CInstallSession();	
       
   466 	}
       
   467 
       
   468 void CInstallServer::AddSession()
       
   469 	{
       
   470 	++iSessionCount;
       
   471 	DEBUG_PRINTF2(_L8("Install Server Session Created (%d sessions active)"), iSessionCount);
       
   472 	iShutdown->Cancel();
       
   473 	}
       
   474 
       
   475 void CInstallServer::DropSession()
       
   476 	{
       
   477 	// if last session is dropped and server still alive start shutdown timer
       
   478 	if (--iSessionCount==0 && iShutdown)
       
   479 		{
       
   480 		iShutdown->Start();
       
   481 		DEBUG_PRINTF(_L8("Install Server Starting Shutdown Timer"));
       
   482 		}
       
   483 	DEBUG_PRINTF2(_L8("Install Server Session Destroyed (%d sessions active)"), iSessionCount);
       
   484 	}
       
   485 
       
   486 } // namespace Swi