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// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// f32\sfile\sf_utl.cpp
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//
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//
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#include "sf_std.h"
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#include <hal.h>
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#include <collate.h>
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const TInt KLog2BufGranularity=4; // 2^5 == 32
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TBool ComparePaths(const TDesC& aPath1,const TDesC& aPath2)
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//
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// Return ETrue if the paths are identical
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// To catch case "\\F32.\\GROUP\\" == "\\F32\\GROUP\\"
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//
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{
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TPtrC entry1(NULL,0);
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TPtrC entry2(NULL,0);
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TInt pos1=0;
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TInt pos2=0;
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do {
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NextInPath(aPath1,entry1,pos1);
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NextInPath(aPath2,entry2,pos2);
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if (entry1.MatchF(entry2)==KErrNotFound)
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return(EFalse);
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} while (entry1.Length() && entry2.Length());
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return(ETrue);
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}
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TBool CompareResource(const TDesC & aThePath)
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//
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//compare function for the Resource path true for match
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//
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{
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TInt pathLen = aThePath.Length();
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if(pathLen < KResourceLength)
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return EFalse;
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//if not word aligned then no less efficient than treating as TUint16
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const TUint32 * path32 = reinterpret_cast<const TUint32*>(aThePath.Ptr());
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if( (*path32 & 0xFFDFFFFF) != 0x0052005c) // '/R'
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return EFalse;
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path32++;
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if( (*path32 & 0xFFDFFFDF) != 0x00530045) // 'ES'
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return EFalse;
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path32++;
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if( (*path32 & 0xFFDFFFDF) != 0x0055004F) // 'OU'
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return EFalse;
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path32++;
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if( (*path32 & 0xFFDFFFDF) != 0x00430052) // 'RC'
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return EFalse;
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path32++;
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if(pathLen > KResourceLength)
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{
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if( (*path32 & 0xFFFFFFDF) != 0x005c0045) // 'E/'
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return EFalse;
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}
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else
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{
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if( (*path32 & 0x0000FFDF) != 0x00000045) // 'E'
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return EFalse;
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}
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return ETrue;
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}
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TBool CompareSystem(const TDesC & aThePath)
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//
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//compare function for the system path true for match
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//
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{
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TInt pathLen = aThePath.Length();
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if(pathLen < KSystemLength)
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return EFalse;
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//if not word aligned then no less efficient than treating as TUint16
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const TUint32 * path32 = reinterpret_cast<const TUint32*>(aThePath.Ptr());
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if( (*path32 & 0xFFDFFFFF) != 0x0053005c) // '/S'
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return EFalse;
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path32++;
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if( (*path32 & 0xFFDFFFDF) != 0x00530059) // 'YS
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return EFalse;
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if(pathLen == KSystemLength)
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return ETrue;
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path32++;
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if( (*path32 & 0x0000FFFF) != 0x0000005c) // '/'
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return EFalse;
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return ETrue;
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}
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TBool ComparePrivate(const TDesC & aThePath)
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//
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//compare function to compare if private path being accessed true for match
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//
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{
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TInt pathLen = aThePath.Length();
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if(pathLen < KPrivateLength)
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return EFalse;
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const TUint32 * path32 = reinterpret_cast<const TUint32*>(aThePath.Ptr());
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if((*path32 & 0xFFDFFFFF) != 0x0050005c) // '/P'
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return EFalse;
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path32++;
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if( (*path32 & 0xFFDFFFDF) != 0x00490052) // 'RI
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return EFalse;
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path32++;
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if( (*path32 & 0xFFDFFFDF) != 0x00410056) // 'VA'
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return EFalse;
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path32++;
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if( (*path32 & 0xFFDFFFDF) != 0x00450054) // 'TE'
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return EFalse;
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if(pathLen == KPrivateLength)
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return ETrue;
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path32++;
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if( (*path32 & 0x0000FFFF) != 0x0000005c) // '/'
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return EFalse;
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return ETrue;
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}
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TBool SIDCheck(CFsRequest* aRequest, const TDesC& aThePath)
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//
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// Compare the Private/XXXXXXXX/ portion of a path be accessed to make sure it matches the process SID
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//
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{
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if(aThePath.Length() >= KPrivateLengthCheck)
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{
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TSecureId appUID = aRequest->Message().SecureId();
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TBuf<KSIDLength+1> dirName;
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dirName.AppendNumFixedWidth(appUID.iId, EHex, 8);
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TInt match = dirName.CompareF(aThePath.Mid(KSIDPathOffset,KPrivateLength));
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if(match==KErrNone)
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return ETrue;
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else
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return EFalse;
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}
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return EFalse;
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}
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#ifndef __REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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TInt PathCheck(CFsRequest* aRequest, const TDesC& aThePath, const TSecurityPolicy* aSysCap, const TSecurityPolicy* aPriCap, const TSecurityPolicy* aROCap, const char* aDiag)
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#else //__REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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TInt PathCheck(CFsRequest* aRequest, const TDesC& aThePath, const TSecurityPolicy* aSysCap, const TSecurityPolicy* aPriCap, const TSecurityPolicy* aROCap, OnlyCreateWithNull /*aDiag*/)
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#endif //!__REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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//
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// Compare the parsed path with protected path names path must be parsed b4 using
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//
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{
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if(aRequest->Message().Handle() == KLocalMessageHandle)
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return KErrNone;
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#ifndef __REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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#ifdef _DEBUG
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TBuf8<512> diagmsg;
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TInt len = aThePath.Length();
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diagmsg.Append((TUint8*)aThePath.Ptr(),len*2);
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diagmsg.Collapse();
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diagmsg.SetLength(len);
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diagmsg.Append(_L(" Used to call: "));
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len = User::StringLength((const TUint8*)aDiag);
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diagmsg.Append((TUint8*)aDiag, len);
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const char* const diagout = (char*)diagmsg.PtrZ();
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#else //!_DEBUG
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const char* const diagout = aDiag;
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#endif //_DEBUG
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#endif //!__REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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if(ComparePrivate(aThePath))
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{
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if(SIDCheck(aRequest, aThePath))
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return KErrNone;
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else
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{
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if(aPriCap->CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING(diagout)))
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return KErrNone;
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else
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return KErrPermissionDenied;
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}
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}
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else if(CompareSystem(aThePath))
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{
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if(aSysCap->CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING(diagout)))
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return KErrNone;
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else
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return KErrPermissionDenied;
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}
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else if(CompareResource(aThePath))
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{
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if(aROCap->CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING(diagout)))
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return KErrNone;
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else
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return KErrPermissionDenied;
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}
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else
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return KErrNone;
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}
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#ifndef __REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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TInt PathCheck(CFsRequest* aRequest, const TDesC& aThePath, const TSecurityPolicy* aSysCap, const TSecurityPolicy* aPriCap, const char* aDiag)
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#else //__REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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TInt PathCheck(CFsRequest* aRequest, const TDesC& aThePath, const TSecurityPolicy* aSysCap, const TSecurityPolicy* aPriCap, OnlyCreateWithNull /*aDiag*/)
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#endif //!__REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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//
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// Compare the parsed path with protected path names path must be parsed b4 using
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//
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{
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if(aRequest->Message().Handle() == KLocalMessageHandle)
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return KErrNone;
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#ifndef __REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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#ifdef _DEBUG
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TBuf8<512> diagmsg;
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TInt len = aThePath.Length();
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diagmsg.Append((TUint8*)aThePath.Ptr(),len*2);
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diagmsg.Collapse();
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diagmsg.SetLength(len);
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diagmsg.Append(_L(" Used to call: "));
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len = User::StringLength((const TUint8*)aDiag);
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diagmsg.Append((TUint8*)aDiag, len);
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const char* const diagout = (char*)diagmsg.PtrZ();
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#else //!_DEBUG
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const char* const diagout = aDiag;
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#endif //_DEBUG
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#endif //!__REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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if(ComparePrivate(aThePath))
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{
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if(SIDCheck(aRequest, aThePath))
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return KErrNone;
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else
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{
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if(aPriCap->CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING(diagout)))
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return KErrNone;
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else
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return KErrPermissionDenied;
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}
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}
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else if(CompareSystem(aThePath))
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{
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if(aSysCap->CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING(diagout)))
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return KErrNone;
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else
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return KErrPermissionDenied;
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}
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else
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return KErrNone;
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}
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#ifndef __REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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TInt PathCheck(CFsRequest* aRequest, const TDesC& aThePath, const TSecurityPolicy* aCap, const char* aDiag, TBool aExactMatchAllowed)
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#else //__REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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TInt PathCheck(CFsRequest* aRequest, const TDesC& aThePath, const TSecurityPolicy* aCap, OnlyCreateWithNull /*aDiag*/, TBool aExactMatchAllowed)
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#endif //!__REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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//
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// Compare the parsed path with protected path names path must be parsed b4 using
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//
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{
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if(aRequest->Message().Handle() == KLocalMessageHandle)
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return KErrNone;
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#ifndef __REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
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#ifdef _DEBUG
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TBuf8<512> diagmsg;
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TInt len = aThePath.Length();
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|
285 |
diagmsg.Append((TUint8*)aThePath.Ptr(),len*2);
|
|
sl@0
|
286 |
diagmsg.Collapse();
|
|
sl@0
|
287 |
diagmsg.SetLength(len);
|
|
sl@0
|
288 |
diagmsg.Append(_L(" Used to call: "));
|
|
sl@0
|
289 |
len = User::StringLength((const TUint8*)aDiag);
|
|
sl@0
|
290 |
diagmsg.Append((TUint8*)aDiag, len);
|
|
sl@0
|
291 |
const char* const diagout = (char*)diagmsg.PtrZ();
|
|
sl@0
|
292 |
#else //!_DEBUG
|
|
sl@0
|
293 |
const char* const diagout = aDiag;
|
|
sl@0
|
294 |
#endif //_DEBUG
|
|
sl@0
|
295 |
#endif //!__REMOVE_PLATSEC_DIAGNOSTIC_STRINGS__
|
|
sl@0
|
296 |
|
|
sl@0
|
297 |
if(ComparePrivate(aThePath))
|
|
sl@0
|
298 |
{
|
|
sl@0
|
299 |
if(SIDCheck(aRequest, aThePath))
|
|
sl@0
|
300 |
return KErrNone;
|
|
sl@0
|
301 |
else
|
|
sl@0
|
302 |
{
|
|
sl@0
|
303 |
if(aCap->CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING(diagout)))
|
|
sl@0
|
304 |
return KErrNone;
|
|
sl@0
|
305 |
else if (aExactMatchAllowed && aThePath.Length() <= KPrivateLength + 1)
|
|
sl@0
|
306 |
return KErrNone;
|
|
sl@0
|
307 |
else
|
|
sl@0
|
308 |
return KErrPermissionDenied;
|
|
sl@0
|
309 |
}
|
|
sl@0
|
310 |
}
|
|
sl@0
|
311 |
else if(CompareSystem(aThePath))
|
|
sl@0
|
312 |
{
|
|
sl@0
|
313 |
if(aCap->CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING(diagout)))
|
|
sl@0
|
314 |
return KErrNone;
|
|
sl@0
|
315 |
else if (aExactMatchAllowed && aThePath.Length() <= KSystemLength + 1)
|
|
sl@0
|
316 |
return KErrNone;
|
|
sl@0
|
317 |
else
|
|
sl@0
|
318 |
return KErrPermissionDenied;
|
|
sl@0
|
319 |
}
|
|
sl@0
|
320 |
else
|
|
sl@0
|
321 |
return KErrNone;
|
|
sl@0
|
322 |
|
|
sl@0
|
323 |
}
|
|
sl@0
|
324 |
|
|
sl@0
|
325 |
|
|
sl@0
|
326 |
|
|
sl@0
|
327 |
|
|
sl@0
|
328 |
void Fault(TFsFault aFault)
|
|
sl@0
|
329 |
//
|
|
sl@0
|
330 |
// Fault the file server.
|
|
sl@0
|
331 |
//
|
|
sl@0
|
332 |
{
|
|
sl@0
|
333 |
|
|
sl@0
|
334 |
__PRINT1(_L("FAULT: TFsFault %d"),aFault);
|
|
sl@0
|
335 |
User::Panic(_L("Fserv fault"),aFault);
|
|
sl@0
|
336 |
}
|
|
sl@0
|
337 |
|
|
sl@0
|
338 |
/**
|
|
sl@0
|
339 |
Get Ptr() from the client and parse it. Allow wild cards.
|
|
sl@0
|
340 |
Then get the drive and if the drive is substed get the real name.
|
|
sl@0
|
341 |
|
|
sl@0
|
342 |
@param aP message parameter number
|
|
sl@0
|
343 |
@param aRequest pointer to the reques object
|
|
sl@0
|
344 |
@param aParse parser
|
|
sl@0
|
345 |
@param aUseSessionPath flag specifying whether the session path is to be
|
|
sl@0
|
346 |
used for parsing or not. Default value is ETrue meaning
|
|
sl@0
|
347 |
that the session path is used while parsing.
|
|
sl@0
|
348 |
|
|
sl@0
|
349 |
@return system-wide error code.
|
|
sl@0
|
350 |
*/
|
|
sl@0
|
351 |
TInt ParseSubst(const TInt aP, CFsRequest* aRequest,TParse& aParse, TBool aUseSessionPath)
|
|
sl@0
|
352 |
{
|
|
sl@0
|
353 |
__ASSERT_DEBUG(aRequest->Session(),Fault(EParseSubstSession));
|
|
sl@0
|
354 |
|
|
sl@0
|
355 |
//-- check the length of the name, passed by client.
|
|
sl@0
|
356 |
//-- it shall not be longer than KMaxFileName
|
|
sl@0
|
357 |
TInt nameLen=aRequest->GetDesLength(aP);
|
|
sl@0
|
358 |
if(nameLen < 0 || nameLen > KMaxFileName)
|
|
sl@0
|
359 |
return KErrBadName;
|
|
sl@0
|
360 |
|
|
sl@0
|
361 |
TFileName n;
|
|
sl@0
|
362 |
TRAPD(r, aRequest->ReadL(aP,n));
|
|
sl@0
|
363 |
|
|
sl@0
|
364 |
if(r==KErrNone)
|
|
sl@0
|
365 |
{
|
|
sl@0
|
366 |
if(aUseSessionPath)
|
|
sl@0
|
367 |
r=aParse.Set(n,NULL,&aRequest->Session()->Path());
|
|
sl@0
|
368 |
else
|
|
sl@0
|
369 |
r=aParse.Set(n,NULL,NULL);
|
|
sl@0
|
370 |
}
|
|
sl@0
|
371 |
if (r!=KErrNone)
|
|
sl@0
|
372 |
return(r);
|
|
sl@0
|
373 |
if(!aUseSessionPath && !aParse.DrivePresent())
|
|
sl@0
|
374 |
return(r);
|
|
sl@0
|
375 |
TInt drive;
|
|
sl@0
|
376 |
if ((r=RFs::CharToDrive(aParse.Drive()[0],drive))!=KErrNone)
|
|
sl@0
|
377 |
return(r);
|
|
sl@0
|
378 |
aRequest->SetDrive(&TheDrives[drive]);
|
|
sl@0
|
379 |
if (aRequest->Drive()->Att()&KDriveAttSubsted)
|
|
sl@0
|
380 |
{
|
|
sl@0
|
381 |
if ((aRequest->Drive()->Subst().Length()+aParse.FullName().Length())>(KMaxFileName+3))
|
|
sl@0
|
382 |
return(KErrBadName);
|
|
sl@0
|
383 |
aRequest->SetSubstedDrive(aRequest->Drive());
|
|
sl@0
|
384 |
// and now set aParse with the full path name
|
|
sl@0
|
385 |
n=aRequest->Drive()->Subst().Mid(2);
|
|
sl@0
|
386 |
n+=aParse.FullName().Mid(3);
|
|
sl@0
|
387 |
TFileName n2=aRequest->SubstedDrive()->Subst().Left(2);
|
|
sl@0
|
388 |
r=aParse.Set(n,NULL,&n2);
|
|
sl@0
|
389 |
if(r!=KErrNone)
|
|
sl@0
|
390 |
return(r);
|
|
sl@0
|
391 |
aRequest->SetDrive(&aRequest->Drive()->SubstedDrive());
|
|
sl@0
|
392 |
}
|
|
sl@0
|
393 |
return(KErrNone);
|
|
sl@0
|
394 |
}
|
|
sl@0
|
395 |
|
|
sl@0
|
396 |
|
|
sl@0
|
397 |
TInt ParseSubstPtr0(CFsRequest* aRequest,TParse& aParse, TBool aUseSessionPath)
|
|
sl@0
|
398 |
//
|
|
sl@0
|
399 |
// Get Ptr0() from the client and parse it. Allow wild cards.
|
|
sl@0
|
400 |
// Then get the drive and if the drive is substed get the real name.
|
|
sl@0
|
401 |
//
|
|
sl@0
|
402 |
{
|
|
sl@0
|
403 |
|
|
sl@0
|
404 |
return(ParseSubst(KMsgPtr0,aRequest,aParse,aUseSessionPath));
|
|
sl@0
|
405 |
}
|
|
sl@0
|
406 |
|
|
sl@0
|
407 |
TInt ParseNoWildSubstPtr0(CFsRequest* aRequest,TParse& aParse, TBool aUseSessionPath)
|
|
sl@0
|
408 |
//
|
|
sl@0
|
409 |
// Get Ptr0() from the client and parse it. Dis-allow wild cards.
|
|
sl@0
|
410 |
// Then get the drive and if the drive is substed get the real name.
|
|
sl@0
|
411 |
//
|
|
sl@0
|
412 |
{
|
|
sl@0
|
413 |
TInt r=ParseSubst(KMsgPtr0,aRequest,aParse,aUseSessionPath);
|
|
sl@0
|
414 |
if (r!=KErrNone)
|
|
sl@0
|
415 |
return(r); // Returns KErrBadName if "/" in the name or length > 256 chars
|
|
sl@0
|
416 |
|
|
sl@0
|
417 |
if (aParse.IsWild()) // No *s or ?s allowed in the file name
|
|
sl@0
|
418 |
return(KErrBadName);
|
|
sl@0
|
419 |
return(KErrNone);
|
|
sl@0
|
420 |
}
|
|
sl@0
|
421 |
|
|
sl@0
|
422 |
|
|
sl@0
|
423 |
TInt ParseNoWildSubstPtr1(CFsRequest* aRequest,TParse& aParse)
|
|
sl@0
|
424 |
//
|
|
sl@0
|
425 |
// Get Ptr0() from the client and parse it. Dis-allow wild cards.
|
|
sl@0
|
426 |
// Then get the drive and if the drive is substed get the real name.
|
|
sl@0
|
427 |
//
|
|
sl@0
|
428 |
{
|
|
sl@0
|
429 |
TInt r=ParseSubst(KMsgPtr1, aRequest, aParse);
|
|
sl@0
|
430 |
if (r!=KErrNone)
|
|
sl@0
|
431 |
return(r); // Returns KErrBadName if "/" in the name or length > 256 chars
|
|
sl@0
|
432 |
|
|
sl@0
|
433 |
if (aParse.IsWild()) // No *s or ?s allowed in the file name
|
|
sl@0
|
434 |
return(KErrBadName);
|
|
sl@0
|
435 |
return(KErrNone);
|
|
sl@0
|
436 |
}
|
|
sl@0
|
437 |
|
|
sl@0
|
438 |
|
|
sl@0
|
439 |
TInt ParseNoWildSubstCheckPathPtr0(CFsRequest* aRequest,TParse& aParse)
|
|
sl@0
|
440 |
//
|
|
sl@0
|
441 |
// Get Ptr0() from the client and parse it.
|
|
sl@0
|
442 |
// Then get the drive and if the drive is substed get the real name.
|
|
sl@0
|
443 |
// Dis-allow wild cards and the root directory
|
|
sl@0
|
444 |
//
|
|
sl@0
|
445 |
{
|
|
sl@0
|
446 |
|
|
sl@0
|
447 |
TInt r=ParseSubst(KMsgPtr0,aRequest,aParse);
|
|
sl@0
|
448 |
if (r!=KErrNone)
|
|
sl@0
|
449 |
return(r);
|
|
sl@0
|
450 |
if (aParse.IsWild() || (aParse.IsRoot() && !aParse.NameOrExtPresent()))
|
|
sl@0
|
451 |
return(KErrBadName);
|
|
sl@0
|
452 |
return(KErrNone);
|
|
sl@0
|
453 |
}
|
|
sl@0
|
454 |
|
|
sl@0
|
455 |
TInt ParseNoWildSubstCheckPathPtr1(CFsRequest* aRequest,TParse& aParse)
|
|
sl@0
|
456 |
//
|
|
sl@0
|
457 |
// Get Ptr1() from the client and parse it.
|
|
sl@0
|
458 |
// Then get the drive and if the drive is substed get the real name.
|
|
sl@0
|
459 |
// Dis-allow wild cards and the root directory
|
|
sl@0
|
460 |
//
|
|
sl@0
|
461 |
{
|
|
sl@0
|
462 |
|
|
sl@0
|
463 |
TInt r=ParseSubst(KMsgPtr1,aRequest,aParse);
|
|
sl@0
|
464 |
if (r!=KErrNone)
|
|
sl@0
|
465 |
return(r);
|
|
sl@0
|
466 |
if (aParse.IsWild() || (aParse.IsRoot() && !aParse.NameOrExtPresent()))
|
|
sl@0
|
467 |
return(KErrBadName);
|
|
sl@0
|
468 |
|
|
sl@0
|
469 |
return(KErrNone);
|
|
sl@0
|
470 |
}
|
|
sl@0
|
471 |
|
|
sl@0
|
472 |
TInt ParseNoWildSubstFileCheckPtr1(CFsRequest* aRequest,TParse& aParse)
|
|
sl@0
|
473 |
//
|
|
sl@0
|
474 |
// Get Ptr0() from the client and parse it.
|
|
sl@0
|
475 |
// Then get the drive and if the drive is substed get the real name.
|
|
sl@0
|
476 |
// Dis-allow wild cards and the root directory
|
|
sl@0
|
477 |
// Finally check that there is a name or extension.
|
|
sl@0
|
478 |
{
|
|
sl@0
|
479 |
|
|
sl@0
|
480 |
TInt r=ParseSubst(KMsgPtr1,aRequest,aParse);
|
|
sl@0
|
481 |
if (r!=KErrNone)
|
|
sl@0
|
482 |
return(r);
|
|
sl@0
|
483 |
if (aParse.IsWild() || (aParse.IsRoot() && !aParse.NameOrExtPresent()))
|
|
sl@0
|
484 |
return(KErrBadName);
|
|
sl@0
|
485 |
if(!aParse.NameOrExtPresent())
|
|
sl@0
|
486 |
return (KErrBadName);
|
|
sl@0
|
487 |
return(KErrNone);
|
|
sl@0
|
488 |
}
|
|
sl@0
|
489 |
|
|
sl@0
|
490 |
TInt ParseNoWildSubstCheckPtr0(CFsRequest* aRequest,TParse& aParse, TBool aUseSessionPath)
|
|
sl@0
|
491 |
//
|
|
sl@0
|
492 |
// Get Ptr0() from the client and parse it. Dis-allow wild cards.
|
|
sl@0
|
493 |
// Then get the drive and if the drive is substed get the real name.
|
|
sl@0
|
494 |
// Finally check that there is a name or extension.
|
|
sl@0
|
495 |
//
|
|
sl@0
|
496 |
{
|
|
sl@0
|
497 |
|
|
sl@0
|
498 |
TInt r=ParseNoWildSubstPtr0(aRequest,aParse, aUseSessionPath);
|
|
sl@0
|
499 |
if (r!=KErrNone)
|
|
sl@0
|
500 |
return(r);
|
|
sl@0
|
501 |
if (!aParse.NameOrExtPresent())
|
|
sl@0
|
502 |
return(KErrBadName);
|
|
sl@0
|
503 |
return(KErrNone);
|
|
sl@0
|
504 |
}
|
|
sl@0
|
505 |
|
|
sl@0
|
506 |
TInt ParseNoWildSubstCheckPtr1(CFsRequest* aRequest,TParse& aParse)
|
|
sl@0
|
507 |
//
|
|
sl@0
|
508 |
// Get Ptr1() from the client and parse it. Dis-allow wild cards.
|
|
sl@0
|
509 |
// Then get the drive and if the drive is substed get the real name.
|
|
sl@0
|
510 |
// Finally check that there is a name or extension.
|
|
sl@0
|
511 |
//
|
|
sl@0
|
512 |
{
|
|
sl@0
|
513 |
|
|
sl@0
|
514 |
TInt r=ParseNoWildSubstPtr1(aRequest,aParse);
|
|
sl@0
|
515 |
if (r!=KErrNone)
|
|
sl@0
|
516 |
return(r);
|
|
sl@0
|
517 |
if (!aParse.NameOrExtPresent())
|
|
sl@0
|
518 |
return(KErrBadName);
|
|
sl@0
|
519 |
return(KErrNone);
|
|
sl@0
|
520 |
}
|
|
sl@0
|
521 |
|
|
sl@0
|
522 |
/**
|
|
sl@0
|
523 |
Get Ptr0() from the client and parse it.
|
|
sl@0
|
524 |
|
|
sl@0
|
525 |
@param aRequest pointer to the reques object
|
|
sl@0
|
526 |
@param aParse parser
|
|
sl@0
|
527 |
|
|
sl@0
|
528 |
@return system-wide error code.
|
|
sl@0
|
529 |
*/
|
|
sl@0
|
530 |
TInt ParsePathPtr0(CFsRequest* aRequest,TParse& aParse)
|
|
sl@0
|
531 |
{
|
|
sl@0
|
532 |
//-- check the length of the name, passed by client.
|
|
sl@0
|
533 |
//-- it shall not be longer than KMaxFileName
|
|
sl@0
|
534 |
TInt nameLen=aRequest->GetDesLength(KMsgPtr0);
|
|
sl@0
|
535 |
if(nameLen < 0 || nameLen > KMaxFileName)
|
|
sl@0
|
536 |
return KErrBadName;
|
|
sl@0
|
537 |
|
|
sl@0
|
538 |
TFileName n;
|
|
sl@0
|
539 |
TRAPD(r,aRequest->ReadL(KMsgPtr0,n));
|
|
sl@0
|
540 |
if (r==KErrNone)
|
|
sl@0
|
541 |
r=aParse.SetNoWild(n,NULL,&aRequest->Session()->Path());
|
|
sl@0
|
542 |
if (r!=KErrNone)
|
|
sl@0
|
543 |
return(r);
|
|
sl@0
|
544 |
if (aParse.NameOrExtPresent())
|
|
sl@0
|
545 |
return(KErrBadName);
|
|
sl@0
|
546 |
TInt drive;
|
|
sl@0
|
547 |
if ((r=RFs::CharToDrive(aParse.Drive()[0],drive))!=KErrNone)
|
|
sl@0
|
548 |
return(r);
|
|
sl@0
|
549 |
aRequest->SetDrive(&TheDrives[drive]);
|
|
sl@0
|
550 |
return(KErrNone);
|
|
sl@0
|
551 |
}
|
|
sl@0
|
552 |
|
|
sl@0
|
553 |
|
|
sl@0
|
554 |
TInt ParseNotificationPath(CFsRequest* aRequest, TParse& aParse, TDes& aNotifyPath)
|
|
sl@0
|
555 |
//
|
|
sl@0
|
556 |
// Called by Notify Change extended function when client has submitted a path
|
|
sl@0
|
557 |
// which contains a wildcarded initial character to represent the drive
|
|
sl@0
|
558 |
// This is required when notification over a number of drives is required
|
|
sl@0
|
559 |
//
|
|
sl@0
|
560 |
{
|
|
sl@0
|
561 |
if ((aNotifyPath[0]==KMatchAny)||(aNotifyPath[0]==KMatchOne))
|
|
sl@0
|
562 |
{
|
|
sl@0
|
563 |
// Use the default session drive for now
|
|
sl@0
|
564 |
TFileName sessionDefault=aRequest->Session()->Path();
|
|
sl@0
|
565 |
aNotifyPath[0]=sessionDefault[0];
|
|
sl@0
|
566 |
}
|
|
sl@0
|
567 |
|
|
sl@0
|
568 |
TInt r=aParse.Set(aNotifyPath,NULL,&aRequest->Session()->Path());
|
|
sl@0
|
569 |
if (r!=KErrNone)
|
|
sl@0
|
570 |
return(r);
|
|
sl@0
|
571 |
TInt drive;
|
|
sl@0
|
572 |
if ((r=RFs::CharToDrive(aParse.Drive()[0],drive))!=KErrNone)
|
|
sl@0
|
573 |
return(r);
|
|
sl@0
|
574 |
aRequest->SetDrive(&TheDrives[drive]);
|
|
sl@0
|
575 |
if (aRequest->Drive()->Att()&KDriveAttSubsted)
|
|
sl@0
|
576 |
{
|
|
sl@0
|
577 |
if ((aRequest->Drive()->Subst().Length()+aParse.FullName().Length())>(KMaxFileName+3))
|
|
sl@0
|
578 |
return(KErrBadName);
|
|
sl@0
|
579 |
aRequest->SetSubstedDrive(aRequest->Drive());
|
|
sl@0
|
580 |
// and now set aParse with the full path name
|
|
sl@0
|
581 |
TFileName n=aRequest->Drive()->Subst().Mid(2);
|
|
sl@0
|
582 |
n+=aParse.FullName().Mid(3);
|
|
sl@0
|
583 |
TFileName n2=aRequest->SubstedDrive()->Subst().Left(2);
|
|
sl@0
|
584 |
r=aParse.Set(n,NULL,&n2);
|
|
sl@0
|
585 |
if(r!=KErrNone)
|
|
sl@0
|
586 |
return(r);
|
|
sl@0
|
587 |
aRequest->SetDrive(&aRequest->Drive()->SubstedDrive());
|
|
sl@0
|
588 |
}
|
|
sl@0
|
589 |
if (aParse.IsWild())
|
|
sl@0
|
590 |
return(KErrBadName);
|
|
sl@0
|
591 |
return(KErrNone);
|
|
sl@0
|
592 |
}
|
|
sl@0
|
593 |
|
|
sl@0
|
594 |
|
|
sl@0
|
595 |
CFsObject* SessionObjectFromHandle(TInt aHandle,TInt aUniqueID, CSessionFs* aSession)
|
|
sl@0
|
596 |
//
|
|
sl@0
|
597 |
// Lookup an object from its handle.
|
|
sl@0
|
598 |
//
|
|
sl@0
|
599 |
{
|
|
sl@0
|
600 |
if(aUniqueID==0)
|
|
sl@0
|
601 |
return(aSession->Handles().At(aHandle,ETrue));
|
|
sl@0
|
602 |
else
|
|
sl@0
|
603 |
return(aSession->Handles().At(aHandle,aUniqueID,ETrue));
|
|
sl@0
|
604 |
}
|
|
sl@0
|
605 |
|
|
sl@0
|
606 |
|
|
sl@0
|
607 |
CFileShare* GetShareFromHandle(CSessionFs* aSession, TInt aHandle)
|
|
sl@0
|
608 |
//
|
|
sl@0
|
609 |
// Get the share control block from its handle.
|
|
sl@0
|
610 |
//
|
|
sl@0
|
611 |
{
|
|
sl@0
|
612 |
return((CFileShare*)(SessionObjectFromHandle(aHandle,FileShares->UniqueID(),aSession)));
|
|
sl@0
|
613 |
}
|
|
sl@0
|
614 |
|
|
sl@0
|
615 |
|
|
sl@0
|
616 |
//
|
|
sl@0
|
617 |
// Returns ETrue if aDes only contains spaces or is zero length
|
|
sl@0
|
618 |
//
|
|
sl@0
|
619 |
static TBool IsSpace(const TDesC& aDes)
|
|
sl@0
|
620 |
{
|
|
sl@0
|
621 |
|
|
sl@0
|
622 |
TInt len=aDes.Length();
|
|
sl@0
|
623 |
if (len==0)
|
|
sl@0
|
624 |
return(EFalse);
|
|
sl@0
|
625 |
for (TInt i=0;i<len;i++)
|
|
sl@0
|
626 |
{
|
|
sl@0
|
627 |
TChar txt=aDes[i];
|
|
sl@0
|
628 |
if (!txt.IsSpace())
|
|
sl@0
|
629 |
return(EFalse);
|
|
sl@0
|
630 |
}
|
|
sl@0
|
631 |
return(ETrue);
|
|
sl@0
|
632 |
}
|
|
sl@0
|
633 |
|
|
sl@0
|
634 |
TUint32 CalcNameHash(const TDesC& aName)
|
|
sl@0
|
635 |
{
|
|
sl@0
|
636 |
const TUint32 KNameHashCRCInitialiser=0x12345678;
|
|
sl@0
|
637 |
TUint32 hash=KNameHashCRCInitialiser;
|
|
sl@0
|
638 |
Mem::Crc32(hash, aName.Ptr(), aName.Size());
|
|
sl@0
|
639 |
return hash;
|
|
sl@0
|
640 |
}
|
|
sl@0
|
641 |
|
|
sl@0
|
642 |
|
|
sl@0
|
643 |
TBool TNameChecker::IsIllegal(TText& aChar) const
|
|
sl@0
|
644 |
//
|
|
sl@0
|
645 |
// Checks aChar != any of < > : " / |
|
|
sl@0
|
646 |
// \ is also illegal in a name but will be considered a path delimiter
|
|
sl@0
|
647 |
//
|
|
sl@0
|
648 |
{
|
|
sl@0
|
649 |
switch (aChar)
|
|
sl@0
|
650 |
{
|
|
sl@0
|
651 |
case '<':
|
|
sl@0
|
652 |
case '>':
|
|
sl@0
|
653 |
case ':':
|
|
sl@0
|
654 |
case '"':
|
|
sl@0
|
655 |
case '/':
|
|
sl@0
|
656 |
case '|':
|
|
sl@0
|
657 |
case '\000':
|
|
sl@0
|
658 |
return(ETrue);
|
|
sl@0
|
659 |
default:
|
|
sl@0
|
660 |
break;
|
|
sl@0
|
661 |
}
|
|
sl@0
|
662 |
return(EFalse);
|
|
sl@0
|
663 |
}
|
|
sl@0
|
664 |
|
|
sl@0
|
665 |
|
|
sl@0
|
666 |
|
|
sl@0
|
667 |
TBool TNameChecker::IsIllegalChar(TText& aChar)
|
|
sl@0
|
668 |
//
|
|
sl@0
|
669 |
// Checks aName for illegal components and returns the offending character if any
|
|
sl@0
|
670 |
// No other parsing is performed
|
|
sl@0
|
671 |
//
|
|
sl@0
|
672 |
{
|
|
sl@0
|
673 |
TInt len=iName.Length();
|
|
sl@0
|
674 |
while (len--)
|
|
sl@0
|
675 |
{
|
|
sl@0
|
676 |
if (IsIllegal(iName[len]))// '<', '>', ':', '"', '/', '|' or '\000'?
|
|
sl@0
|
677 |
{
|
|
sl@0
|
678 |
aChar=iName[len];
|
|
sl@0
|
679 |
return(ETrue);
|
|
sl@0
|
680 |
}
|
|
sl@0
|
681 |
}
|
|
sl@0
|
682 |
return(EFalse);
|
|
sl@0
|
683 |
}
|
|
sl@0
|
684 |
|
|
sl@0
|
685 |
|
|
sl@0
|
686 |
TBool TNameChecker::IsIllegalName()
|
|
sl@0
|
687 |
//
|
|
sl@0
|
688 |
// Checks name is not _L(".") or _L("..") and that there are no illegal characters
|
|
sl@0
|
689 |
//
|
|
sl@0
|
690 |
{
|
|
sl@0
|
691 |
|
|
sl@0
|
692 |
TInt pos=iName.LocateReverse(KPathDelimiter)+1;
|
|
sl@0
|
693 |
TPtrC fileName(iName.Ptr()+pos,iName.Length()-pos);
|
|
sl@0
|
694 |
SetName(fileName);
|
|
sl@0
|
695 |
|
|
sl@0
|
696 |
if (iName==_L(".") || iName==_L("..") || IsSpace(iName))
|
|
sl@0
|
697 |
return ETrue;
|
|
sl@0
|
698 |
TInt len=iName.Length();
|
|
sl@0
|
699 |
|
|
sl@0
|
700 |
while (len--)
|
|
sl@0
|
701 |
{
|
|
sl@0
|
702 |
if (IsIllegal(iName[len])) // '<', '>', ':', '"', '/', '|' or '\000'?
|
|
sl@0
|
703 |
return(ETrue);
|
|
sl@0
|
704 |
}
|
|
sl@0
|
705 |
return(EFalse);
|
|
sl@0
|
706 |
}
|
|
sl@0
|
707 |
|
|
sl@0
|
708 |
|
|
sl@0
|
709 |
TBool TNameChecker::IsIllegalName(TText& aChar)
|
|
sl@0
|
710 |
//
|
|
sl@0
|
711 |
// Check name and path are legal - if not, return the offending component
|
|
sl@0
|
712 |
//
|
|
sl@0
|
713 |
{
|
|
sl@0
|
714 |
TInt r=iParse.Set(iName,NULL,NULL);
|
|
sl@0
|
715 |
if (r!=KErrNone)
|
|
sl@0
|
716 |
return(ETrue); // Checks for names > 256 chars etc
|
|
sl@0
|
717 |
|
|
sl@0
|
718 |
SetName(iParse.FullName());
|
|
sl@0
|
719 |
if (IsIllegalPath(aChar))
|
|
sl@0
|
720 |
return(ETrue); // Checks for illegal characters in path
|
|
sl@0
|
721 |
|
|
sl@0
|
722 |
TInt nameStart=iParse.FullName().LocateReverse(KPathDelimiter)+1;
|
|
sl@0
|
723 |
r=(iParse.FullName().Mid(nameStart)).LocateReverse(KPathDelimiter)+1;
|
|
sl@0
|
724 |
TPtrC fileName(iName.Ptr()+r,iName.Length()-r);
|
|
sl@0
|
725 |
SetName(fileName);
|
|
sl@0
|
726 |
|
|
sl@0
|
727 |
if (iName==_L(".") || iName==_L("..") || IsSpace(iName))
|
|
sl@0
|
728 |
{
|
|
sl@0
|
729 |
aChar=iName[0];
|
|
sl@0
|
730 |
return ETrue;
|
|
sl@0
|
731 |
}
|
|
sl@0
|
732 |
|
|
sl@0
|
733 |
return (IsIllegalChar(aChar));
|
|
sl@0
|
734 |
}
|
|
sl@0
|
735 |
|
|
sl@0
|
736 |
const TInt KSpace = ' ';
|
|
sl@0
|
737 |
TBool TNameChecker::IsIllegalPath()
|
|
sl@0
|
738 |
//
|
|
sl@0
|
739 |
// Checks the path does not contain wildcards or directories _L(".") or _L("..") or just spaces
|
|
sl@0
|
740 |
//
|
|
sl@0
|
741 |
{
|
|
sl@0
|
742 |
|
|
sl@0
|
743 |
if (iName.Locate(KMatchOne)!=KErrNotFound || iName.Locate(KMatchAny)!=KErrNotFound)
|
|
sl@0
|
744 |
return(ETrue);
|
|
sl@0
|
745 |
|
|
sl@0
|
746 |
TLex pathLex=iName;
|
|
sl@0
|
747 |
FOREVER
|
|
sl@0
|
748 |
{
|
|
sl@0
|
749 |
pathLex.Inc();
|
|
sl@0
|
750 |
if (pathLex.Remainder().Length()==0)
|
|
sl@0
|
751 |
break;
|
|
sl@0
|
752 |
TInt nextPath=pathLex.Remainder().Locate(KPathDelimiter);
|
|
sl@0
|
753 |
if (nextPath==0) // Reject double backslashes
|
|
sl@0
|
754 |
return(ETrue);
|
|
sl@0
|
755 |
if (nextPath==KErrNotFound)
|
|
sl@0
|
756 |
nextPath=pathLex.Remainder().Length();
|
|
sl@0
|
757 |
pathLex.Mark();
|
|
sl@0
|
758 |
pathLex.Inc(nextPath);
|
|
sl@0
|
759 |
SetName(pathLex.MarkedToken());
|
|
sl@0
|
760 |
if (IsIllegalName())
|
|
sl@0
|
761 |
return(ETrue);
|
|
sl@0
|
762 |
// check for tailing dots
|
|
sl@0
|
763 |
for(TInt i = pathLex.MarkedToken().Length() - 1; i >= 0; --i)
|
|
sl@0
|
764 |
{
|
|
sl@0
|
765 |
if (pathLex.MarkedToken()[i] == KExtDelimiter)
|
|
sl@0
|
766 |
{
|
|
sl@0
|
767 |
return ETrue;
|
|
sl@0
|
768 |
}
|
|
sl@0
|
769 |
else if (pathLex.MarkedToken()[i] == KSpace)
|
|
sl@0
|
770 |
{
|
|
sl@0
|
771 |
continue;
|
|
sl@0
|
772 |
}
|
|
sl@0
|
773 |
else
|
|
sl@0
|
774 |
{
|
|
sl@0
|
775 |
break;
|
|
sl@0
|
776 |
}
|
|
sl@0
|
777 |
}
|
|
sl@0
|
778 |
}
|
|
sl@0
|
779 |
return(EFalse);
|
|
sl@0
|
780 |
}
|
|
sl@0
|
781 |
|
|
sl@0
|
782 |
|
|
sl@0
|
783 |
TBool TNameChecker::IsIllegalPath(TText& aChar)
|
|
sl@0
|
784 |
//
|
|
sl@0
|
785 |
// Checks the path does not contain wildcards or directories _L(".") or _L("..") or just spaces
|
|
sl@0
|
786 |
// Returns the first offending character found (if any)
|
|
sl@0
|
787 |
//
|
|
sl@0
|
788 |
{
|
|
sl@0
|
789 |
if (iName.Locate(KMatchOne)!=KErrNotFound)
|
|
sl@0
|
790 |
{
|
|
sl@0
|
791 |
aChar=KMatchOne;
|
|
sl@0
|
792 |
return (ETrue);
|
|
sl@0
|
793 |
}
|
|
sl@0
|
794 |
if (iName.Locate(KMatchAny)!=KErrNotFound)
|
|
sl@0
|
795 |
{
|
|
sl@0
|
796 |
aChar=KMatchAny;
|
|
sl@0
|
797 |
return (ETrue);
|
|
sl@0
|
798 |
}
|
|
sl@0
|
799 |
|
|
sl@0
|
800 |
TLex pathLex=iName;
|
|
sl@0
|
801 |
TFileName name;
|
|
sl@0
|
802 |
FOREVER
|
|
sl@0
|
803 |
{
|
|
sl@0
|
804 |
pathLex.Inc();
|
|
sl@0
|
805 |
if (pathLex.Remainder().Length()==0)
|
|
sl@0
|
806 |
break;
|
|
sl@0
|
807 |
TInt nextPath=pathLex.Remainder().Locate(KPathDelimiter);
|
|
sl@0
|
808 |
if (nextPath==0) // Reject double backslashes
|
|
sl@0
|
809 |
{
|
|
sl@0
|
810 |
aChar=KPathDelimiter;
|
|
sl@0
|
811 |
return ETrue;
|
|
sl@0
|
812 |
}
|
|
sl@0
|
813 |
if (nextPath==KErrNotFound)
|
|
sl@0
|
814 |
nextPath=pathLex.Remainder().Length();
|
|
sl@0
|
815 |
pathLex.Mark();
|
|
sl@0
|
816 |
pathLex.Inc(nextPath);
|
|
sl@0
|
817 |
name=pathLex.MarkedToken();
|
|
sl@0
|
818 |
// check for tailing dots
|
|
sl@0
|
819 |
for(TInt i = pathLex.MarkedToken().Length() - 1; i >= 0; --i)
|
|
sl@0
|
820 |
{
|
|
sl@0
|
821 |
if (pathLex.MarkedToken()[i] == KExtDelimiter)
|
|
sl@0
|
822 |
{
|
|
sl@0
|
823 |
aChar = KExtDelimiter;
|
|
sl@0
|
824 |
return ETrue;
|
|
sl@0
|
825 |
}
|
|
sl@0
|
826 |
else if (pathLex.MarkedToken()[i] == KSpace)
|
|
sl@0
|
827 |
{
|
|
sl@0
|
828 |
continue;
|
|
sl@0
|
829 |
}
|
|
sl@0
|
830 |
else
|
|
sl@0
|
831 |
{
|
|
sl@0
|
832 |
break;
|
|
sl@0
|
833 |
}
|
|
sl@0
|
834 |
}
|
|
sl@0
|
835 |
TInt pos=name.LocateReverse(KPathDelimiter)+1;
|
|
sl@0
|
836 |
TPtrC fileName(name.Ptr()+pos,name.Length()-pos);
|
|
sl@0
|
837 |
SetName(fileName);
|
|
sl@0
|
838 |
if (iName==_L(".") || iName==_L("..") || IsSpace(iName))
|
|
sl@0
|
839 |
{
|
|
sl@0
|
840 |
aChar=iName[0];
|
|
sl@0
|
841 |
return ETrue;
|
|
sl@0
|
842 |
}
|
|
sl@0
|
843 |
|
|
sl@0
|
844 |
if (IsIllegalChar(aChar))
|
|
sl@0
|
845 |
return(ETrue);
|
|
sl@0
|
846 |
}
|
|
sl@0
|
847 |
|
|
sl@0
|
848 |
return(EFalse);
|
|
sl@0
|
849 |
}
|
|
sl@0
|
850 |
|
|
sl@0
|
851 |
|
|
sl@0
|
852 |
TBool IsIllegalFullName(const TParse& aParse)
|
|
sl@0
|
853 |
{
|
|
sl@0
|
854 |
TPtrC ptr=aParse.Path();
|
|
sl@0
|
855 |
TNameChecker checker(ptr);
|
|
sl@0
|
856 |
if (checker.IsIllegalPath())
|
|
sl@0
|
857 |
return(ETrue); // Checks for illegal characters in path
|
|
sl@0
|
858 |
|
|
sl@0
|
859 |
TInt nameStart=aParse.FullName().LocateReverse(KPathDelimiter)+1;
|
|
sl@0
|
860 |
checker.SetName(aParse.FullName().Mid(nameStart));
|
|
sl@0
|
861 |
|
|
sl@0
|
862 |
if (checker.IsIllegalName())
|
|
sl@0
|
863 |
return(ETrue); // Checks illegal characters such as ></|". and ..
|
|
sl@0
|
864 |
return(EFalse);
|
|
sl@0
|
865 |
}
|
|
sl@0
|
866 |
|
|
sl@0
|
867 |
TBool IsIllegalFullName(const TDesC& aName)
|
|
sl@0
|
868 |
//
|
|
sl@0
|
869 |
// Check name and path are legal
|
|
sl@0
|
870 |
//
|
|
sl@0
|
871 |
{
|
|
sl@0
|
872 |
TParse parser;
|
|
sl@0
|
873 |
TInt r=parser.Set(aName,NULL,NULL);
|
|
sl@0
|
874 |
if (r!=KErrNone)
|
|
sl@0
|
875 |
return(ETrue); // Checks for wild cards, names>256 chars etc
|
|
sl@0
|
876 |
|
|
sl@0
|
877 |
return IsIllegalFullName(parser);
|
|
sl@0
|
878 |
}
|
|
sl@0
|
879 |
|
|
sl@0
|
880 |
TBool PowerOk()
|
|
sl@0
|
881 |
//
|
|
sl@0
|
882 |
// Check the power is OK
|
|
sl@0
|
883 |
//
|
|
sl@0
|
884 |
{
|
|
sl@0
|
885 |
|
|
sl@0
|
886 |
TBool powerGood=EFalse;
|
|
sl@0
|
887 |
TInt r=HAL::Get(HAL::EPowerGood, powerGood);
|
|
sl@0
|
888 |
if (r!=KErrNone)
|
|
sl@0
|
889 |
return EFalse;
|
|
sl@0
|
890 |
return powerGood;
|
|
sl@0
|
891 |
}
|
|
sl@0
|
892 |
|
|
sl@0
|
893 |
void AddResource(CMountCB& aMount)
|
|
sl@0
|
894 |
//
|
|
sl@0
|
895 |
// Decrement resource counters
|
|
sl@0
|
896 |
//
|
|
sl@0
|
897 |
{
|
|
sl@0
|
898 |
__CHECK_DRIVETHREAD(aMount.Drive().DriveNumber());
|
|
sl@0
|
899 |
__ASSERT_DEBUG(aMount.LockStatus()<=0,Fault(ERawDiskBadAccessCount2));
|
|
sl@0
|
900 |
aMount.DecLock();
|
|
sl@0
|
901 |
}
|
|
sl@0
|
902 |
|
|
sl@0
|
903 |
void RemoveResource(CMountCB& aMount)
|
|
sl@0
|
904 |
//
|
|
sl@0
|
905 |
// Increment resource counters
|
|
sl@0
|
906 |
//
|
|
sl@0
|
907 |
{
|
|
sl@0
|
908 |
__ASSERT_DEBUG(aMount.LockStatus()<0,Fault(ERawDiskBadAccessCount1));
|
|
sl@0
|
909 |
aMount.IncLock();
|
|
sl@0
|
910 |
}
|
|
sl@0
|
911 |
|
|
sl@0
|
912 |
|
|
sl@0
|
913 |
void AddDiskAccess(CMountCB& aMount)
|
|
sl@0
|
914 |
//
|
|
sl@0
|
915 |
// Increment resource counters
|
|
sl@0
|
916 |
//
|
|
sl@0
|
917 |
{
|
|
sl@0
|
918 |
aMount.IncLock();
|
|
sl@0
|
919 |
}
|
|
sl@0
|
920 |
|
|
sl@0
|
921 |
void RemoveDiskAccess(CMountCB& aMount)
|
|
sl@0
|
922 |
//
|
|
sl@0
|
923 |
// Decrement resource counters
|
|
sl@0
|
924 |
//
|
|
sl@0
|
925 |
{
|
|
sl@0
|
926 |
aMount.DecLock();
|
|
sl@0
|
927 |
}
|
|
sl@0
|
928 |
|
|
sl@0
|
929 |
EXPORT_C void AllocBufferL(HBufC*& aBuf,const TDesC& aName)
|
|
sl@0
|
930 |
//
|
|
sl@0
|
931 |
// Alloc or ReAlloc buffer
|
|
sl@0
|
932 |
//
|
|
sl@0
|
933 |
{
|
|
sl@0
|
934 |
|
|
sl@0
|
935 |
if (aBuf==NULL)
|
|
sl@0
|
936 |
{
|
|
sl@0
|
937 |
aBuf=aName.AllocL();
|
|
sl@0
|
938 |
return;
|
|
sl@0
|
939 |
}
|
|
sl@0
|
940 |
if (aBuf->Length()<aName.Length())
|
|
sl@0
|
941 |
{
|
|
sl@0
|
942 |
TInt bufGranularity=(1<<KLog2BufGranularity);
|
|
sl@0
|
943 |
TInt size=((aName.Length()+bufGranularity-1)>>KLog2BufGranularity)<<KLog2BufGranularity;
|
|
sl@0
|
944 |
aBuf=aBuf->ReAllocL(size);
|
|
sl@0
|
945 |
}
|
|
sl@0
|
946 |
aBuf->Des()=aName;
|
|
sl@0
|
947 |
}
|
|
sl@0
|
948 |
|
|
sl@0
|
949 |
void NextInPath(const TDesC& aPath,TPtrC& anEntry,TInt& aPos)
|
|
sl@0
|
950 |
//
|
|
sl@0
|
951 |
// Returns the next entry in the path
|
|
sl@0
|
952 |
//
|
|
sl@0
|
953 |
{
|
|
sl@0
|
954 |
|
|
sl@0
|
955 |
anEntry.Set(NULL,0);
|
|
sl@0
|
956 |
if ((aPos+1)>=aPath.Length())
|
|
sl@0
|
957 |
return;
|
|
sl@0
|
958 |
TPtrC path(aPath.Mid(aPos+1)); // Skip delimiter
|
|
sl@0
|
959 |
TInt delimiterPos=path.Locate(KPathDelimiter);
|
|
sl@0
|
960 |
if (delimiterPos==KErrNotFound)
|
|
sl@0
|
961 |
delimiterPos=aPath.Length()-(aPos+1);
|
|
sl@0
|
962 |
if (delimiterPos<=0)
|
|
sl@0
|
963 |
return;
|
|
sl@0
|
964 |
|
|
sl@0
|
965 |
if (path[delimiterPos-1]==KExtDelimiter) // return "F32." as "F32"
|
|
sl@0
|
966 |
anEntry.Set(aPath.Mid(aPos+1,delimiterPos-1));
|
|
sl@0
|
967 |
else
|
|
sl@0
|
968 |
anEntry.Set(aPath.Mid(aPos+1,delimiterPos));
|
|
sl@0
|
969 |
aPos+=delimiterPos+1;
|
|
sl@0
|
970 |
}
|
|
sl@0
|
971 |
|
|
sl@0
|
972 |
TInt MatchUidType(const TUidType &aMatch, const TUidType &aType)
|
|
sl@0
|
973 |
//
|
|
sl@0
|
974 |
// Compare aType against aMatch with KNullUid as a wildcard
|
|
sl@0
|
975 |
//
|
|
sl@0
|
976 |
{
|
|
sl@0
|
977 |
|
|
sl@0
|
978 |
TUid mu=aMatch[2];
|
|
sl@0
|
979 |
TUid tu=aType[2];
|
|
sl@0
|
980 |
if (mu!=KNullUid && tu!=KNullUid && mu!=tu)
|
|
sl@0
|
981 |
return KErrNotSupported;
|
|
sl@0
|
982 |
mu=aMatch[1];
|
|
sl@0
|
983 |
tu=aType[1];
|
|
sl@0
|
984 |
if (mu!=KNullUid && tu!=KNullUid && mu!=tu)
|
|
sl@0
|
985 |
return KErrNotSupported;
|
|
sl@0
|
986 |
mu=aMatch[0];
|
|
sl@0
|
987 |
tu=aType[0];
|
|
sl@0
|
988 |
if (mu!=KNullUid && tu!=KNullUid && mu!=tu)
|
|
sl@0
|
989 |
return KErrNotSupported;
|
|
sl@0
|
990 |
return KErrNone;
|
|
sl@0
|
991 |
}
|
|
sl@0
|
992 |
|
|
sl@0
|
993 |
/**
|
|
sl@0
|
994 |
* Compare sections of filenames according to locale-independent rules as well
|
|
sl@0
|
995 |
* as locale-dependent rules. This is an attempt to get an ordering where
|
|
sl@0
|
996 |
* equivalent names sort together but the overall ordering is culturally
|
|
sl@0
|
997 |
* acceptable. Sadly, the ordering it gives is not consistent, and it is not
|
|
sl@0
|
998 |
* clear how to make it so. Hence this function is deprecated. The correct way
|
|
sl@0
|
999 |
* to do this is to code around it: If you need a sorted array for display that
|
|
sl@0
|
1000 |
* you also need to search for equivalent filenames, either use a linear search
|
|
sl@0
|
1001 |
* or keep two arrays, one sorted with CompareF, the other with CompareC.
|
|
sl@0
|
1002 |
* @deprecated 6.1
|
|
sl@0
|
1003 |
*/
|
|
sl@0
|
1004 |
EXPORT_C TInt CompareFilenames(const TDesC& aFileName1,const TDesC& aFileName2)
|
|
sl@0
|
1005 |
//
|
|
sl@0
|
1006 |
// Compare filenames. Case is ignored and names are normalised
|
|
sl@0
|
1007 |
// (base+accent is equal to composed character) but spaces
|
|
sl@0
|
1008 |
// and punctuation are significant for determining equality.
|
|
sl@0
|
1009 |
// Whether two filenames are identical is the same in all
|
|
sl@0
|
1010 |
// locales, but the ordering of non-identical filenames is locale-specific.
|
|
sl@0
|
1011 |
//
|
|
sl@0
|
1012 |
//
|
|
sl@0
|
1013 |
{
|
|
sl@0
|
1014 |
// Create a non-locale-specific collation method that doesn't ignore spaces and punctuation but folds case.
|
|
sl@0
|
1015 |
TCollationMethod method;
|
|
sl@0
|
1016 |
method.iFlags = TCollationMethod::EIgnoreNone | TCollationMethod::EFoldCase;
|
|
sl@0
|
1017 |
method.iMainTable=NULL;
|
|
sl@0
|
1018 |
method.iOverrideTable=NULL;
|
|
sl@0
|
1019 |
|
|
sl@0
|
1020 |
// Get the non-locale-specific order and return it if the names are equal.
|
|
sl@0
|
1021 |
TInt base_order = aFileName1.CompareC(aFileName2,3,&method);
|
|
sl@0
|
1022 |
if (base_order == 0)
|
|
sl@0
|
1023 |
return base_order;
|
|
sl@0
|
1024 |
|
|
sl@0
|
1025 |
// Get the locale-specific order and use it unless it is equality, in which case the non-locale-specific order must be used.
|
|
sl@0
|
1026 |
TInt locale_order = aFileName1.CompareC(aFileName2);
|
|
sl@0
|
1027 |
return locale_order ? locale_order : base_order;
|
|
sl@0
|
1028 |
}
|
|
sl@0
|
1029 |
|
|
sl@0
|
1030 |
void Get8BitDllName(TDes8& aDllName, const TDesC& aFileName)
|
|
sl@0
|
1031 |
//
|
|
sl@0
|
1032 |
// Convert a 16 bit name to an 8 bit name
|
|
sl@0
|
1033 |
// No data loss because UNICODE Dlls are currently restricted to 8 bit names
|
|
sl@0
|
1034 |
// No effect in 8 bit builds - just sets aDllName to aFileName
|
|
sl@0
|
1035 |
//
|
|
sl@0
|
1036 |
{
|
|
sl@0
|
1037 |
aDllName.SetLength(aFileName.Length());
|
|
sl@0
|
1038 |
aDllName.Copy(aFileName);
|
|
sl@0
|
1039 |
}
|
|
sl@0
|
1040 |
|
|
sl@0
|
1041 |
void Get16BitDllName(TDes& aFileName, const TDesC8& aDllName)
|
|
sl@0
|
1042 |
//
|
|
sl@0
|
1043 |
// Convert an 8 bit name to a 16 bit name - zero padded automatically
|
|
sl@0
|
1044 |
// No effect in 8 bit builds - just sets aFileName to aDllName
|
|
sl@0
|
1045 |
//
|
|
sl@0
|
1046 |
{
|
|
sl@0
|
1047 |
aFileName.SetLength(aDllName.Length());
|
|
sl@0
|
1048 |
aFileName.Copy(aDllName);
|
|
sl@0
|
1049 |
}
|
|
sl@0
|
1050 |
|
|
sl@0
|
1051 |
|
|
sl@0
|
1052 |
/**
|
|
sl@0
|
1053 |
Checks that there is sufficient disk space available to complete a task taking into account reserved space
|
|
sl@0
|
1054 |
|
|
sl@0
|
1055 |
@param aThreshold amount of required free space, in bytes
|
|
sl@0
|
1056 |
@param aRequest
|
|
sl@0
|
1057 |
|
|
sl@0
|
1058 |
@return KErrNone on success and if there are _strictly_more_ than aThreshold bytes available on the volume (taking into account reserved space)
|
|
sl@0
|
1059 |
KErrDiskFull on success and if there isn't enough space
|
|
sl@0
|
1060 |
system-wide error code otherwise
|
|
sl@0
|
1061 |
*/
|
|
sl@0
|
1062 |
TInt CheckDiskSpace(TInt64 aThreshold, CFsRequest* aRequest)
|
|
sl@0
|
1063 |
{
|
|
sl@0
|
1064 |
const TInt KReservedSpace = aRequest->Drive()->ReservedSpace();
|
|
sl@0
|
1065 |
const TInt KDriveNumber = aRequest->Drive()->DriveNumber();
|
|
sl@0
|
1066 |
|
|
sl@0
|
1067 |
if(KReservedSpace == 0 || KDriveNumber == EDriveZ)
|
|
sl@0
|
1068 |
return KErrNone;
|
|
sl@0
|
1069 |
|
|
sl@0
|
1070 |
//-- if the drive has a reserved space, take it into account
|
|
sl@0
|
1071 |
CSessionFs* session=aRequest->Session();
|
|
sl@0
|
1072 |
|
|
sl@0
|
1073 |
if(!session || !session->ReservedAccess(KDriveNumber))
|
|
sl@0
|
1074 |
aThreshold += KReservedSpace;
|
|
sl@0
|
1075 |
|
|
sl@0
|
1076 |
//-- ask the corresponding file system if there is aThreshold bytes available.
|
|
sl@0
|
1077 |
//-- for some reason it's required to be strictly > than aThreshold
|
|
sl@0
|
1078 |
return aRequest->Drive()->RequestFreeSpaceOnMount(aThreshold+1);
|
|
sl@0
|
1079 |
}
|
|
sl@0
|
1080 |
|
|
sl@0
|
1081 |
|
|
sl@0
|
1082 |
#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
|
|
sl@0
|
1083 |
EXPORT_C TUint32 DebugRegister() {return(DebugReg);}
|
|
sl@0
|
1084 |
#else
|
|
sl@0
|
1085 |
EXPORT_C TUint32 DebugRegister() {return(0);}
|
|
sl@0
|
1086 |
#endif
|
|
sl@0
|
1087 |
|
|
sl@0
|
1088 |
CLogon* CLogon::NewL()
|
|
sl@0
|
1089 |
//
|
|
sl@0
|
1090 |
// Create the CLogon active object.
|
|
sl@0
|
1091 |
//
|
|
sl@0
|
1092 |
{
|
|
sl@0
|
1093 |
|
|
sl@0
|
1094 |
CLogon* pL=new(ELeave) CLogon(EPriority);
|
|
sl@0
|
1095 |
CActiveScheduler::Add(pL);
|
|
sl@0
|
1096 |
return(pL);
|
|
sl@0
|
1097 |
}
|
|
sl@0
|
1098 |
|
|
sl@0
|
1099 |
#pragma warning( disable : 4705 ) // statement has no effect
|
|
sl@0
|
1100 |
CLogon::CLogon(TInt aPriority)
|
|
sl@0
|
1101 |
//
|
|
sl@0
|
1102 |
// Constructor
|
|
sl@0
|
1103 |
//
|
|
sl@0
|
1104 |
: CActive(aPriority)
|
|
sl@0
|
1105 |
{
|
|
sl@0
|
1106 |
}
|
|
sl@0
|
1107 |
#pragma warning( default : 4705 )
|
|
sl@0
|
1108 |
|
|
sl@0
|
1109 |
TInt CLogon::Logon(RThread aThread)
|
|
sl@0
|
1110 |
//
|
|
sl@0
|
1111 |
// Issue a request to logon to the thread.
|
|
sl@0
|
1112 |
//
|
|
sl@0
|
1113 |
{
|
|
sl@0
|
1114 |
|
|
sl@0
|
1115 |
iThread=aThread;
|
|
sl@0
|
1116 |
iThread.Logon(iStatus);
|
|
sl@0
|
1117 |
SetActive();
|
|
sl@0
|
1118 |
if (iStatus==KErrNoMemory)
|
|
sl@0
|
1119 |
iThread.Kill(KErrNoMemory);
|
|
sl@0
|
1120 |
else
|
|
sl@0
|
1121 |
iThread.Resume();
|
|
sl@0
|
1122 |
iThread.Close();
|
|
sl@0
|
1123 |
CActiveScheduler::Start();
|
|
sl@0
|
1124 |
return(iStatus.Int());
|
|
sl@0
|
1125 |
}
|
|
sl@0
|
1126 |
|
|
sl@0
|
1127 |
void CLogon::DoCancel()
|
|
sl@0
|
1128 |
//
|
|
sl@0
|
1129 |
// Cancel a pending event.
|
|
sl@0
|
1130 |
//
|
|
sl@0
|
1131 |
{
|
|
sl@0
|
1132 |
|
|
sl@0
|
1133 |
iThread.LogonCancel(iStatus);
|
|
sl@0
|
1134 |
}
|
|
sl@0
|
1135 |
|
|
sl@0
|
1136 |
void CLogon::RunL()
|
|
sl@0
|
1137 |
//
|
|
sl@0
|
1138 |
// Thread has terminated.
|
|
sl@0
|
1139 |
//
|
|
sl@0
|
1140 |
{
|
|
sl@0
|
1141 |
|
|
sl@0
|
1142 |
CActiveScheduler::Stop();
|
|
sl@0
|
1143 |
}
|
|
sl@0
|
1144 |
|