1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/lowlevellibsandfws/pluginfw/Framework/frame/clientrequest.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,285 @@
1.4 +// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +//system includes
1.20 +#include <e32std.h>
1.21 +#include <u32std.h>
1.22 +
1.23 +//class signature
1.24 +#include "clientrequest.h"
1.25 +
1.26 +#ifndef __ECOMSERVER_TESTING__
1.27 +
1.28 +//
1.29 +// TClientRequest
1.30 +//
1.31 +TClientRequest::TClientRequest(const RMessage2& aMessage)
1.32 +: iMessage(aMessage), iSecurityInfo(aMessage)
1.33 + {
1.34 + }
1.35 +
1.36 +TBool TClientRequest::IsNull() const
1.37 + {
1.38 + return iMessage.IsNull();
1.39 + }
1.40 +
1.41 +TInt TClientRequest::Function() const
1.42 + {
1.43 + return iMessage.Function();
1.44 + }
1.45 +
1.46 +void TClientRequest::Complete(TInt aReason) const
1.47 + {
1.48 + iMessage.Complete(aReason);
1.49 + }
1.50 +
1.51 +void TClientRequest::Panic(const TDesC& aCategory, TInt aReason) const
1.52 + {
1.53 + iMessage.Panic(aCategory, aReason);
1.54 + }
1.55 +
1.56 +TInt TClientRequest::Int0() const
1.57 + {
1.58 + return iMessage.Int0();
1.59 + }
1.60 +
1.61 +TInt TClientRequest::Int1() const
1.62 + {
1.63 + return iMessage.Int1();
1.64 + }
1.65 +
1.66 +TInt TClientRequest::Int2() const
1.67 + {
1.68 + return iMessage.Int2();
1.69 + }
1.70 +
1.71 +TInt TClientRequest::Int3() const
1.72 + {
1.73 + return iMessage.Int3();
1.74 + }
1.75 +
1.76 +TInt TClientRequest::GetDesLength(TInt aParam) const
1.77 + {
1.78 + return iMessage.GetDesLength(aParam);
1.79 + }
1.80 +
1.81 +TInt TClientRequest::GetDesMaxLength(TInt aParam) const
1.82 + {
1.83 + return iMessage.GetDesMaxLength(aParam);
1.84 + }
1.85 +
1.86 +void TClientRequest::ReadL(TInt aParam, TDes8& aDes, TInt aOffset) const
1.87 + {
1.88 + iMessage.ReadL(aParam, aDes, aOffset);
1.89 + }
1.90 +
1.91 +void TClientRequest::ReadL(TInt aParam, TDes& aDes, TInt aOffset) const
1.92 + {
1.93 + iMessage.ReadL(aParam, aDes, aOffset);
1.94 + }
1.95 +
1.96 +TInt TClientRequest::Write(TInt aParam, const TDesC8& aDes, TInt aOffset) const
1.97 + {
1.98 + return iMessage.Write(aParam, aDes, aOffset);
1.99 + }
1.100 +
1.101 +void TClientRequest::WriteL(TInt aParam, const TDesC8& aDes) const
1.102 + {
1.103 + iMessage.WriteL(aParam, aDes);
1.104 + }
1.105 +
1.106 +void TClientRequest::WriteL(TInt aParam, const TDesC& aDes, TInt aOffset) const
1.107 + {
1.108 + iMessage.WriteL(aParam, aDes, aOffset);
1.109 + }
1.110 +
1.111 +//
1.112 +// TCapabilitySet is the low level API used by all other capability APIs.
1.113 +// It relies on the caller to observe the PlatSecEnforcement settings.
1.114 +//
1.115 +TBool TClientRequest::HasCapabilities(const TCapabilitySet& aCapabilities) const
1.116 + {
1.117 + return aCapabilities.HasCapabilities(iSecurityInfo.iCaps);
1.118 + }
1.119 +
1.120 +#ifndef __REMOVE_PLATSEC_DIAGNOSTICS__
1.121 +//
1.122 +// This method relies on PlatSec::CapabilityCheckFail
1.123 +// to observe the PlatSecDiagnostics flag.
1.124 +//
1.125 +void TClientRequest::EmitDiagnostic(const TCapabilitySet& aCapabilities, const CImplementationInformation& aImplInfo) const
1.126 + {
1.127 + TCapabilitySet capsMissing(iSecurityInfo.iCaps);
1.128 + capsMissing.Remove(aCapabilities);
1.129 + _LIT8(KErrorFormat, "ECOM: Client (%x) may not access plugin implementation (%x_v%d)");
1.130 + TBuf8<128> errorMsg;
1.131 + errorMsg.Format(KErrorFormat, iSecurityInfo.iSecureId.iId, aImplInfo.ImplementationUid(), aImplInfo.Version());
1.132 + errorMsg.ZeroTerminate();
1.133 + PlatSec::CapabilityCheckFail(
1.134 + iMessage,
1.135 + capsMissing,
1.136 + __PLATSEC_DIAGNOSTIC_STRING(reinterpret_cast<const char*>(errorMsg.Ptr())));
1.137 + }
1.138 +#endif
1.139 +
1.140 +//
1.141 +// This method serves three purposes:
1.142 +// 1. Perform capability check.
1.143 +// 2. Emit diagnostic message (if capability check failed and __REMOVE_PLATSEC_DIAGNOSTICS__ is *not* defined.)
1.144 +// 3. Observe the PlatSecEnforcement flag and return if capability check has failed.
1.145 +//
1.146 +// If enforcement is not enabled then the caller should proceed as though the original capability check in fact passed.
1.147 +// If enforcement is enabled then the appropriate action for a failed capability check should happen.
1.148 +//
1.149 +// Two possible return values:
1.150 +// 1. ETrue - if capability check passed OR PlatSecEnforcement is Off.
1.151 +// 2. EFalse - if capability check failed AND PlatSecEnforcement is On.
1.152 +//
1.153 +TBool TClientRequest::CheckCapability(const TCapabilitySet& aCapabilities, const CImplementationInformation&
1.154 +#ifndef __REMOVE_PLATSEC_DIAGNOSTICS__
1.155 + aImplInfo
1.156 +#endif
1.157 + ) const
1.158 + {
1.159 + TBool hasCapabilities = HasCapabilities(aCapabilities);
1.160 +#ifndef __REMOVE_PLATSEC_DIAGNOSTICS__
1.161 + if (!hasCapabilities)
1.162 + EmitDiagnostic(aCapabilities, aImplInfo);
1.163 +#endif
1.164 + return !hasCapabilities && PlatSec::ConfigSetting(PlatSec::EPlatSecEnforcement) ? EFalse : ETrue;
1.165 + }
1.166 +//
1.167 +//
1.168 +#else //IF _UNIT_TESTING_
1.169 +
1.170 +TClientRequest::TClientRequest()
1.171 +: iFunction(KMinTInt), iCapability(0U), iCompletion(KRequestPending),
1.172 +iStatusActive(EFalse), iIdentity(KNullUid)
1.173 + {
1.174 + Mem::FillZ(&iParams, sizeof(TInt) * KMaxMessageArguments);
1.175 + }
1.176 +
1.177 +TBool TClientRequest::IsNull() const
1.178 + {
1.179 + return iFunction == KMinTInt;
1.180 + }
1.181 +
1.182 +TInt TClientRequest::Function() const
1.183 + {
1.184 + return iFunction;
1.185 + }
1.186 +
1.187 +TUid TClientRequest::Identity() const
1.188 + {
1.189 + return iIdentity;
1.190 + }
1.191 +
1.192 +void TClientRequest::Complete(TInt aReason) const
1.193 + {
1.194 + iCompletion = aReason;
1.195 + if(iStatusActive)
1.196 + {
1.197 + TRequestStatus* stat = iStatus;
1.198 + User::RequestComplete(stat, aReason);
1.199 + }
1.200 + }
1.201 +
1.202 +void TClientRequest::Panic(const TDesC& aCategory, TInt aReason) const
1.203 + {
1.204 + User::Panic(aCategory, aReason);
1.205 + }
1.206 +
1.207 +TInt TClientRequest::Int0() const
1.208 + {
1.209 + return iParams[0];
1.210 + }
1.211 +
1.212 +TInt TClientRequest::Int1() const
1.213 + {
1.214 + return iParams[1];
1.215 + }
1.216 +
1.217 +TInt TClientRequest::Int2() const
1.218 + {
1.219 + return iParams[2];
1.220 + }
1.221 +
1.222 +TInt TClientRequest::Int3() const
1.223 + {
1.224 + return iParams[3];
1.225 + }
1.226 +
1.227 +TInt TClientRequest::GetDesLength(TInt aParam) const
1.228 + {
1.229 + const TDesC8* desPtr = (const TDesC8*)iParams[aParam];
1.230 + return desPtr->Length();
1.231 + }
1.232 +
1.233 +TInt TClientRequest::GetDesMaxLength(TInt aParam) const
1.234 + {
1.235 + const TDes8* desPtr = (const TDes8*)iParams[aParam];
1.236 + return desPtr->MaxLength();
1.237 + }
1.238 +
1.239 +void TClientRequest::ReadL(TInt aParam, TDes8& aDes, TInt aOffset) const
1.240 + {
1.241 + const TDesC8* desPtr = (const TDesC8*)iParams[aParam];
1.242 + aDes.Copy(desPtr->Mid(aOffset));
1.243 + }
1.244 +
1.245 +void TClientRequest::ReadL(TInt aParam, TDes& aDes, TInt aOffset) const
1.246 + {
1.247 + const TDesC* desPtr = (const TDesC*)iParams[aParam];
1.248 + aDes.Copy(desPtr->Mid(aOffset));
1.249 + }
1.250 +
1.251 +TInt TClientRequest::Write(TInt aParam, const TDesC8& aDes, TInt aOffset) const
1.252 + {
1.253 + TDes8* desPtr = (TDes8*)iParams[aParam];
1.254 + desPtr->Copy(aDes.Mid(aOffset));
1.255 + return KErrNone;
1.256 + }
1.257 +
1.258 +void TClientRequest::WriteL(TInt aParam, const TDesC8& aDes) const
1.259 + {
1.260 + User::LeaveIfError(Write(aParam, aDes));
1.261 + }
1.262 +
1.263 +void TClientRequest::WriteL(TInt aParam, const TDesC& aDes, TInt aOffset) const
1.264 + {
1.265 + TDes* desPtr = (TDes*)iParams[aParam];
1.266 + desPtr->Copy(aDes.Mid(aOffset));
1.267 + }
1.268 +
1.269 +TBool TClientRequest::HasCapabilities(const TCapabilitySet& aCapabilities) const
1.270 +//dummy function here for testing purpose
1.271 + {
1.272 + TCapabilitySet dummycaps;
1.273 + dummycaps.SetEmpty();
1.274 + return aCapabilities.HasCapabilities(dummycaps);
1.275 + }
1.276 +
1.277 +#ifndef __REMOVE_PLATSEC_DIAGNOSTICS__
1.278 +void TClientRequest::EmitDiagnostic(const TCapabilitySet& /*aCapabilities*/, const CImplementationInformation& /*aImplInfo*/) const
1.279 +// do nothing
1.280 + {
1.281 + }
1.282 +#endif
1.283 +
1.284 +TBool TClientRequest::CheckCapability(const TCapabilitySet& aCapabilities, const CImplementationInformation& /*aImplInfo*/) const
1.285 + {
1.286 + return HasCapabilities(aCapabilities);
1.287 + }
1.288 +#endif //__ECOMSERVER_TESTING__