locationrequestmgmt/networkrequesthandler/src/lbsnrhserver.cpp
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     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // server side exmaple of how to use the abstract server framework
       
    15 // 
       
    16 //
       
    17 
       
    18 #include <e32debug.h>
       
    19 #include "lbsdevloggermacros.h"
       
    20 
       
    21 #include "lbsnrhprivacycontrollerserver.h"
       
    22 #include "lbsnrhx3pserver.h"
       
    23 #include "opensessionparams.h"
       
    24 #include "lbsnrhserverdata.h"
       
    25 #include "lbsnrhmessageenums.h"
       
    26 
       
    27 const TInt KLbsLogQueueSize = 30;
       
    28 
       
    29 //
       
    30 // Security policy data structures
       
    31 //
       
    32 
       
    33 const TUint myRangeCount = 7;
       
    34 
       
    35 const TInt myRanges[myRangeCount] = 
       
    36     {
       
    37     0, //range is 0-1 inclusive
       
    38     ESecureSubSessionBaseClose, //range is 2 to (ENrhPrivacyControllerSubSessionFirstMessageId - 1)
       
    39     ENrhPrivacyControllerRegister, // Register a MLbsPrivacyObserver for callbacks
       
    40     ENrhPrivacyControllerResponse, // All other CLbsPrivacyController functions
       
    41     ENrhPrivacyControllerSubSessionLastMessageId,  // Range between last privacy handler message
       
    42     											   // and first X3P message.
       
    43     EX3pSubSessionFirstMessageId,	// All X3P messages
       
    44     EX3pSubSessionLastMessageId	// Remaining messages.
       
    45     };
       
    46 const TUint8 myElementsIndex[myRangeCount] = 
       
    47     {
       
    48     CPolicyServer::ECustomCheck,
       
    49     CPolicyServer::ENotSupported,
       
    50     0,
       
    51     1,
       
    52     CPolicyServer::ENotSupported,
       
    53     2,
       
    54     CPolicyServer::ENotSupported
       
    55     };
       
    56     
       
    57 const CPolicyServer::TPolicyElement myElements[] = 
       
    58     {
       
    59     {_INIT_SECURITY_POLICY_C2(ECapabilityLocation, ECapabilityReadDeviceData), CPolicyServer::EFailClient},
       
    60     {_INIT_SECURITY_POLICY_C2(ECapabilityLocation, ECapabilityWriteDeviceData), CPolicyServer::EFailClient},
       
    61     {_INIT_SECURITY_POLICY_C2(ECapabilityLocation, ECapabilityNetworkServices), CPolicyServer::EFailClient}
       
    62     };
       
    63     
       
    64 const CPolicyServer::TPolicy myPolicy =
       
    65     {
       
    66     CPolicyServer::EAlwaysPass, //specifies all connect attempts should pass
       
    67     myRangeCount,                   
       
    68     myRanges,
       
    69     myElementsIndex,
       
    70     myElements,
       
    71     };
       
    72 
       
    73 //
       
    74 // Server Framework Function Implementations
       
    75 //
       
    76 
       
    77 MCreateServerImpl* CSecureASBase::GetImplLC()
       
    78 	{
       
    79 	CNrhServerImpl* impl = new(ELeave) CNrhServerImpl();
       
    80 	CleanupStack::PushL(impl);
       
    81 	return impl;
       
    82 	}
       
    83 
       
    84 void CNrhServerImpl::CreateServerLC(TServerStartParams& aParams)
       
    85 	{
       
    86 	CNrhServer* s = new(ELeave) CNrhServer(CActive::EPriorityStandard, myPolicy);
       
    87 	CleanupStack::PushL(s);
       
    88 	s->ConstructL(aParams.GetServerName());
       
    89 	// leave the server object on the CS
       
    90 	}
       
    91 	
       
    92 //
       
    93 // CNrhServer
       
    94 //
       
    95 
       
    96 RLbsLogger CNrhServer::iLogger;
       
    97 
       
    98 CNrhServer::CNrhServer(TInt aPriority, const CPolicyServer::TPolicy& aSecurityPolicy) 
       
    99 :	CSecureServerBase(aPriority, aSecurityPolicy),
       
   100 	iVersion(KNrhServerMajorVersionNumber,
       
   101 			 KNrhServerMinorVersionNumber,
       
   102 			 KNrhServerBuildVersionNumber)
       
   103 	{		
       
   104 	}
       
   105 	
       
   106 CNrhServer::~CNrhServer()
       
   107 	{
       
   108 	iLogger.Close();
       
   109 	
       
   110 	iX3pObserver = NULL;
       
   111 	iPrivacyObserver = NULL;
       
   112 
       
   113 	delete iNetworkRequestHandler;
       
   114 	delete iCloseDownRequestDetector;
       
   115 	}
       
   116 	
       
   117 void CNrhServer::ConstructL(const TDesC& aServerName)
       
   118 	{			
       
   119 	StartL(aServerName);
       
   120 	BaseConstructL(EFalse); // MUST BE CALLED. No shutdown timer. Makes the NRH a perm. server	
       
   121 	
       
   122     // Create the monitor which detects a closedown signal from
       
   123     // the LBS Root Process.
       
   124     iCloseDownRequestDetector = CLbsCloseDownRequestDetector::NewL(
       
   125     								this, 
       
   126 									KLbsNetRequestHandlerUid);
       
   127 
       
   128 	iNetworkRequestHandler = CLbsNetworkRequestHandler::NewL(this);	
       
   129 	
       
   130 	iLogger.Open(KLbsLogQueueSize);
       
   131 	}
       
   132 	
       
   133 CSession2* CNrhServer::DoNewSessionL(const TVersion& /*aVersion*/, const RMessage2& /*aMessage*/) const
       
   134 	{
       
   135 	return new (ELeave) CNrhServerSession(); // version number already checked at this point
       
   136 	}
       
   137 	
       
   138 	
       
   139 TVersion CNrhServer::GetServerVersion() const
       
   140 	{
       
   141 	return iVersion;
       
   142 	}
       
   143 
       
   144 /**
       
   145 Security policies used for custom security check below:
       
   146 */
       
   147 static _LIT_SECURITY_POLICY_C1(KLocationPolicy, ECapabilityLocation);
       
   148 static _LIT_SECURITY_POLICY_C1(KReadDeviceDataPolicy, ECapabilityReadDeviceData);
       
   149 static _LIT_SECURITY_POLICY_C1(KNetworkServicesPolicy, ECapabilityNetworkServices);
       
   150 
       
   151 
       
   152 /**
       
   153 Perform a custom security check.
       
   154 
       
   155 A custom security check is only needed for the sub-session connect
       
   156 message. The reason is that the two type of sub-sessions the NRH supports
       
   157 (X3P and privacy controller) have different PlatSec capabilities to
       
   158 create them.
       
   159 
       
   160 @param aMsg The message to check.
       
   161 @param aAction A reference to the action to take if the security check fails.
       
   162 @param aMissing A reference to the list of security attributes missing from the checked process.
       
   163 
       
   164 @return Enum specifying the result of the security check.
       
   165 */
       
   166 CPolicyServer::TCustomResult CNrhServer::CustomSecurityCheckL(const RMessage2 &aMsg, TInt& /*aAction*/, TSecurityInfo& /*aMissing*/)
       
   167 	{
       
   168 	LBSLOG(ELogP1, "CNrhServer::CustomSecurityCheckL() Begin\n");
       
   169 
       
   170 	TNrhSubSessionType subSessType;
       
   171 	TPckg<TNrhSubSessionType> subSessTypeBuf(subSessType);
       
   172 	MessageUtils::Read(aMsg, 0, subSessTypeBuf); // data is always in slot zero
       
   173 		
       
   174 	// Capabilities to check depend on the type of sub-session
       
   175 	CPolicyServer::TCustomResult result(EFail);
       
   176 	switch (subSessType)
       
   177 		{
       
   178 		case ENrhSubSessionPrivacyController:
       
   179 			{
       
   180 			if (KLocationPolicy().CheckPolicy(aMsg) 
       
   181 				&& KReadDeviceDataPolicy.CheckPolicy(aMsg))
       
   182 				{
       
   183 				LBSLOG(ELogP1, "CNrhServer::CustomSecurityCheckL() End (PASS)\n");
       
   184 				result = EPass;
       
   185 				}
       
   186 			break;
       
   187 			}
       
   188 		case ENrhSubSessionX3P:
       
   189 			{
       
   190 			if (KLocationPolicy().CheckPolicy(aMsg) 
       
   191 				&& KNetworkServicesPolicy().CheckPolicy(aMsg))
       
   192 				{
       
   193 				LBSLOG(ELogP1, "CNrhServer::CustomSecurityCheckL() End (PASS)\n");
       
   194 				result = EPass;
       
   195 				}
       
   196 			break;
       
   197 			}
       
   198 		case ENrhSubSessionUnknown:
       
   199 		default:
       
   200 			{
       
   201 			LBSLOG(ELogP1, "CNrhServer::CustomSecurityCheckL() End (FAIL)\n");
       
   202 			result = EFail;
       
   203 			break;
       
   204 			}
       
   205 		}
       
   206 
       
   207 	return result;
       
   208 	}
       
   209 
       
   210 /* Called when LbsRoot has requested that the NRH should 
       
   211    closedown.
       
   212 */
       
   213 void CNrhServer::OnProcessCloseDown()
       
   214     {
       
   215     CActiveScheduler::Stop();
       
   216     }
       
   217     
       
   218 MX3pHandlerNotifier* CNrhServer::X3pObserver() const
       
   219 	{
       
   220 	return(iX3pObserver);
       
   221 	}
       
   222 
       
   223 void CNrhServer::SetPrivacyServerObserver(MPrivacyHandlerObserver* aObserver)
       
   224 	{
       
   225 	iPrivacyObserver = aObserver;
       
   226 	}
       
   227 
       
   228 MPrivacyHandlerObserver* CNrhServer::PrivacyObserver() const
       
   229 	{
       
   230 	return(iPrivacyObserver);
       
   231 	}
       
   232 
       
   233 CLbsAdmin* CNrhServer::Admin() const
       
   234 	{
       
   235 	return iNetworkRequestHandler->Admin();
       
   236 	}
       
   237 
       
   238 RLbsNetworkRegistrationStatus& CNrhServer::NetworkRegistrationStatus()
       
   239 	{
       
   240 	return iNetworkRequestHandler->NetworkRegistrationStatus();
       
   241 	}
       
   242 
       
   243 void CNrhServer::SetX3pServerObserver(MX3pHandlerNotifier* aObserver)
       
   244 	{
       
   245 	iX3pObserver = aObserver;
       
   246 	}
       
   247 
       
   248 CNrhServerSession::~CNrhServerSession()
       
   249 	{
       
   250 	}
       
   251 	
       
   252 // called by the CServer2 code to complete construction of the session 
       
   253 void CNrhServerSession::CreateL()
       
   254 	{
       
   255 	CSecureSessionSubSessionBase::CreateL(); // MUST do this
       
   256 	}
       
   257 	
       
   258 void CNrhServerSession::ServiceMessageL(const RMessage2& /*aMessage*/)
       
   259 	{
       
   260 	// Got a message from the client
       
   261 	}
       
   262 	
       
   263 void CNrhServerSession::ServiceMessageError(const RMessage2& /*aMessage*/, const TInt /*aError*/)
       
   264 	{
       
   265 	// service leaves from the above in here
       
   266 	}
       
   267 	
       
   268 	
       
   269 //------------------------------------------------------------------	
       
   270 
       
   271 MSubSessionImpl* CSubSessionBase::GetImplL(const RMessage2& aMessage)
       
   272 	{	
       
   273 	// Read in the subsession type
       
   274 	TNrhSubSessionType subSessType;
       
   275 	TPckg<TNrhSubSessionType> subSessTypeBuf(subSessType);
       
   276 	MessageUtils::Read(aMessage, 0, subSessTypeBuf); // data is always in slot zero
       
   277 		
       
   278 	// Create the subsession, depending on the type requested
       
   279 	MSubSessionImpl* subSession(NULL);
       
   280 	switch (subSessType)
       
   281 		{
       
   282 		case ENrhSubSessionPrivacyController:
       
   283 			{
       
   284 			subSession = CNrhPrivacyServerSubsession::NewL();
       
   285 			break;
       
   286 			}
       
   287 		case ENrhSubSessionX3P:
       
   288 			{
       
   289 			subSession = CNrhX3pServerSubsession::NewL(CNrhServer::iLogger);
       
   290 			break;
       
   291 			}
       
   292 		case ENrhSubSessionUnknown:
       
   293 		default:
       
   294 			{
       
   295 			_LIT(KPanicNrhServer, "Unknown SubSession Type");
       
   296 			MessageUtils::PanicClient(aMessage, KPanicNrhServer, 0);
       
   297 			break;
       
   298 			}
       
   299 		}
       
   300 		
       
   301 	return subSession;
       
   302 	}
       
   303