| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Wed, 15 Sep 2010 13:42:27 +0300 | |
| branch | RCL_3 |
| changeset 268 | 345b1ca54e88 |
| parent 257 | 3e88ff8f41d5 |
| child 294 | 039a3e647356 |
| permissions | -rw-r--r-- |
| 0 | 1 |
// 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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||
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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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||
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const TInt KLog2BufGranularity=4; // 2^5 == 32 |
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||
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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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||
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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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||
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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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||
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return(ETrue); |
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} |
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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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||
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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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||
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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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||
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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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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(aCap->CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING(diagout))) |
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return KErrNone; |
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else if (aExactMatchAllowed && aThePath.Length() <= KPrivateLength + 1) |
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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(aCap->CheckPolicy(aRequest->Message(), __PLATSEC_DIAGNOSTIC_STRING(diagout))) |
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return KErrNone; |
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else if (aExactMatchAllowed && aThePath.Length() <= KSystemLength + 1) |
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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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void Fault(TFsFault aFault) |
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// |
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// Fault the file server. |
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// |
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{
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__PRINT1(_L("FAULT: TFsFault %d"),aFault);
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User::Panic(_L("Fserv fault"),aFault);
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} |
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/** |
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Get Ptr() from the client and parse it. Allow wild cards. |
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Then get the drive and if the drive is substed get the real name. |
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@param aP message parameter number |
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@param aRequest pointer to the reques object |
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@param aParse parser |
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@param aUseSessionPath flag specifying whether the session path is to be |
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used for parsing or not. Default value is ETrue meaning |
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that the session path is used while parsing. |
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@return system-wide error code. |
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*/ |
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TInt ParseSubst(const TInt aP, CFsRequest* aRequest,TParse& aParse, TBool aUseSessionPath) |
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{
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__ASSERT_DEBUG(aRequest->Session(),Fault(EParseSubstSession)); |
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//-- check the length of the name, passed by client. |
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//-- it shall not be longer than KMaxFileName |
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TInt nameLen=aRequest->GetDesLength(aP); |
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if(nameLen < 0 || nameLen > KMaxFileName) |
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return KErrBadName; |
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360 |
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TFileName n; |
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TRAPD(r, aRequest->ReadL(aP,n)); |
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if(r==KErrNone) |
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{
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if(aUseSessionPath) |
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r=aParse.Set(n,NULL,&aRequest->Session()->Path()); |
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else |
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r=aParse.Set(n,NULL,NULL); |
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} |
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if (r!=KErrNone) |
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return(r); |
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if(!aUseSessionPath && !aParse.DrivePresent()) |
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return(r); |
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375 |
TInt drive; |
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if ((r=RFs::CharToDrive(aParse.Drive()[0],drive))!=KErrNone) |
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return(r); |
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378 |
aRequest->SetDrive(&TheDrives[drive]); |
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379 |
if (aRequest->Drive()->Att()&KDriveAttSubsted) |
|
380 |
{
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381 |
if ((aRequest->Drive()->Subst().Length()+aParse.FullName().Length())>(KMaxFileName+3)) |
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return(KErrBadName); |
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383 |
aRequest->SetSubstedDrive(aRequest->Drive()); |
|
384 |
// and now set aParse with the full path name |
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385 |
n=aRequest->Drive()->Subst().Mid(2); |
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386 |
n+=aParse.FullName().Mid(3); |
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TFileName n2=aRequest->SubstedDrive()->Subst().Left(2); |
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388 |
r=aParse.Set(n,NULL,&n2); |
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389 |
if(r!=KErrNone) |
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return(r); |
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aRequest->SetDrive(&aRequest->Drive()->SubstedDrive()); |
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392 |
} |
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393 |
return(KErrNone); |
|
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} |
|
395 |
||
396 |
||
397 |
TInt ParseSubstPtr0(CFsRequest* aRequest,TParse& aParse, TBool aUseSessionPath) |
|
398 |
// |
|
399 |
// Get Ptr0() from the client and parse it. Allow wild cards. |
|
400 |
// Then get the drive and if the drive is substed get the real name. |
|
401 |
// |
|
402 |
{
|
|
403 |
||
404 |
return(ParseSubst(KMsgPtr0,aRequest,aParse,aUseSessionPath)); |
|
405 |
} |
|
406 |
||
407 |
TInt ParseNoWildSubstPtr0(CFsRequest* aRequest,TParse& aParse, TBool aUseSessionPath) |
|
408 |
// |
|
409 |
// Get Ptr0() from the client and parse it. Dis-allow wild cards. |
|
410 |
// Then get the drive and if the drive is substed get the real name. |
|
411 |
// |
|
412 |
{
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|
413 |
TInt r=ParseSubst(KMsgPtr0,aRequest,aParse,aUseSessionPath); |
|
414 |
if (r!=KErrNone) |
|
415 |
return(r); // Returns KErrBadName if "/" in the name or length > 256 chars |
|
416 |
||
417 |
if (aParse.IsWild()) // No *s or ?s allowed in the file name |
|
418 |
return(KErrBadName); |
|
419 |
return(KErrNone); |
|
420 |
} |
|
421 |
||
422 |
||
423 |
TInt ParseNoWildSubstPtr1(CFsRequest* aRequest,TParse& aParse) |
|
424 |
// |
|
425 |
// Get Ptr0() from the client and parse it. Dis-allow wild cards. |
|
426 |
// Then get the drive and if the drive is substed get the real name. |
|
427 |
// |
|
428 |
{
|
|
429 |
TInt r=ParseSubst(KMsgPtr1, aRequest, aParse); |
|
430 |
if (r!=KErrNone) |
|
431 |
return(r); // Returns KErrBadName if "/" in the name or length > 256 chars |
|
432 |
||
433 |
if (aParse.IsWild()) // No *s or ?s allowed in the file name |
|
434 |
return(KErrBadName); |
|
435 |
return(KErrNone); |
|
436 |
} |
|
437 |
||
438 |
||
439 |
TInt ParseNoWildSubstCheckPathPtr0(CFsRequest* aRequest,TParse& aParse) |
|
440 |
// |
|
441 |
// Get Ptr0() from the client and parse it. |
|
442 |
// Then get the drive and if the drive is substed get the real name. |
|
443 |
// Dis-allow wild cards and the root directory |
|
444 |
// |
|
445 |
{
|
|
446 |
||
447 |
TInt r=ParseSubst(KMsgPtr0,aRequest,aParse); |
|
448 |
if (r!=KErrNone) |
|
449 |
return(r); |
|
450 |
if (aParse.IsWild() || (aParse.IsRoot() && !aParse.NameOrExtPresent())) |
|
451 |
return(KErrBadName); |
|
452 |
return(KErrNone); |
|
453 |
} |
|
454 |
||
455 |
TInt ParseNoWildSubstCheckPathPtr1(CFsRequest* aRequest,TParse& aParse) |
|
456 |
// |
|
457 |
// Get Ptr1() from the client and parse it. |
|
458 |
// Then get the drive and if the drive is substed get the real name. |
|
459 |
// Dis-allow wild cards and the root directory |
|
460 |
// |
|
461 |
{
|
|
462 |
||
463 |
TInt r=ParseSubst(KMsgPtr1,aRequest,aParse); |
|
464 |
if (r!=KErrNone) |
|
465 |
return(r); |
|
466 |
if (aParse.IsWild() || (aParse.IsRoot() && !aParse.NameOrExtPresent())) |
|
467 |
return(KErrBadName); |
|
468 |
||
469 |
return(KErrNone); |
|
470 |
} |
|
471 |
||
472 |
TInt ParseNoWildSubstFileCheckPtr1(CFsRequest* aRequest,TParse& aParse) |
|
473 |
// |
|
474 |
// Get Ptr0() from the client and parse it. |
|
475 |
// Then get the drive and if the drive is substed get the real name. |
|
476 |
// Dis-allow wild cards and the root directory |
|
477 |
// Finally check that there is a name or extension. |
|
478 |
{
|
|
479 |
||
480 |
TInt r=ParseSubst(KMsgPtr1,aRequest,aParse); |
|
481 |
if (r!=KErrNone) |
|
482 |
return(r); |
|
483 |
if (aParse.IsWild() || (aParse.IsRoot() && !aParse.NameOrExtPresent())) |
|
484 |
return(KErrBadName); |
|
485 |
if(!aParse.NameOrExtPresent()) |
|
486 |
return (KErrBadName); |
|
487 |
return(KErrNone); |
|
488 |
} |
|
489 |
||
490 |
TInt ParseNoWildSubstCheckPtr0(CFsRequest* aRequest,TParse& aParse, TBool aUseSessionPath) |
|
491 |
// |
|
492 |
// Get Ptr0() from the client and parse it. Dis-allow wild cards. |
|
493 |
// Then get the drive and if the drive is substed get the real name. |
|
494 |
// Finally check that there is a name or extension. |
|
495 |
// |
|
496 |
{
|
|
497 |
||
498 |
TInt r=ParseNoWildSubstPtr0(aRequest,aParse, aUseSessionPath); |
|
499 |
if (r!=KErrNone) |
|
500 |
return(r); |
|
501 |
if (!aParse.NameOrExtPresent()) |
|
502 |
return(KErrBadName); |
|
503 |
return(KErrNone); |
|
504 |
} |
|
505 |
||
506 |
TInt ParseNoWildSubstCheckPtr1(CFsRequest* aRequest,TParse& aParse) |
|
507 |
// |
|
508 |
// Get Ptr1() from the client and parse it. Dis-allow wild cards. |
|
509 |
// Then get the drive and if the drive is substed get the real name. |
|
510 |
// Finally check that there is a name or extension. |
|
511 |
// |
|
512 |
{
|
|
513 |
||
514 |
TInt r=ParseNoWildSubstPtr1(aRequest,aParse); |
|
515 |
if (r!=KErrNone) |
|
516 |
return(r); |
|
517 |
if (!aParse.NameOrExtPresent()) |
|
518 |
return(KErrBadName); |
|
519 |
return(KErrNone); |
|
520 |
} |
|
521 |
||
522 |
/** |
|
523 |
Get Ptr0() from the client and parse it. |
|
524 |
||
525 |
@param aRequest pointer to the reques object |
|
526 |
@param aParse parser |
|
527 |
||
528 |
@return system-wide error code. |
|
529 |
*/ |
|
530 |
TInt ParsePathPtr0(CFsRequest* aRequest,TParse& aParse) |
|
531 |
{
|
|
532 |
//-- check the length of the name, passed by client. |
|
533 |
//-- it shall not be longer than KMaxFileName |
|
534 |
TInt nameLen=aRequest->GetDesLength(KMsgPtr0); |
|
535 |
if(nameLen < 0 || nameLen > KMaxFileName) |
|
536 |
return KErrBadName; |
|
537 |
||
538 |
TFileName n; |
|
539 |
TRAPD(r,aRequest->ReadL(KMsgPtr0,n)); |
|
540 |
if (r==KErrNone) |
|
541 |
r=aParse.SetNoWild(n,NULL,&aRequest->Session()->Path()); |
|
542 |
if (r!=KErrNone) |
|
543 |
return(r); |
|
544 |
if (aParse.NameOrExtPresent()) |
|
545 |
return(KErrBadName); |
|
546 |
TInt drive; |
|
547 |
if ((r=RFs::CharToDrive(aParse.Drive()[0],drive))!=KErrNone) |
|
548 |
return(r); |
|
549 |
aRequest->SetDrive(&TheDrives[drive]); |
|
550 |
return(KErrNone); |
|
551 |
} |
|
552 |
||
553 |
||
554 |
TInt ParseNotificationPath(CFsRequest* aRequest, TParse& aParse, TDes& aNotifyPath) |
|
555 |
// |
|
556 |
// Called by Notify Change extended function when client has submitted a path |
|
557 |
// which contains a wildcarded initial character to represent the drive |
|
558 |
// This is required when notification over a number of drives is required |
|
559 |
// |
|
560 |
{
|
|
561 |
if ((aNotifyPath[0]==KMatchAny)||(aNotifyPath[0]==KMatchOne)) |
|
562 |
{
|
|
563 |
// Use the default session drive for now |
|
564 |
TFileName sessionDefault=aRequest->Session()->Path(); |
|
565 |
aNotifyPath[0]=sessionDefault[0]; |
|
566 |
} |
|
567 |
||
568 |
TInt r=aParse.Set(aNotifyPath,NULL,&aRequest->Session()->Path()); |
|
569 |
if (r!=KErrNone) |
|
570 |
return(r); |
|
571 |
TInt drive; |
|
572 |
if ((r=RFs::CharToDrive(aParse.Drive()[0],drive))!=KErrNone) |
|
573 |
return(r); |
|
574 |
aRequest->SetDrive(&TheDrives[drive]); |
|
575 |
if (aRequest->Drive()->Att()&KDriveAttSubsted) |
|
576 |
{
|
|
577 |
if ((aRequest->Drive()->Subst().Length()+aParse.FullName().Length())>(KMaxFileName+3)) |
|
578 |
return(KErrBadName); |
|
579 |
aRequest->SetSubstedDrive(aRequest->Drive()); |
|
580 |
// and now set aParse with the full path name |
|
581 |
TFileName n=aRequest->Drive()->Subst().Mid(2); |
|
582 |
n+=aParse.FullName().Mid(3); |
|
583 |
TFileName n2=aRequest->SubstedDrive()->Subst().Left(2); |
|
584 |
r=aParse.Set(n,NULL,&n2); |
|
585 |
if(r!=KErrNone) |
|
586 |
return(r); |
|
587 |
aRequest->SetDrive(&aRequest->Drive()->SubstedDrive()); |
|
588 |
} |
|
589 |
if (aParse.IsWild()) |
|
590 |
return(KErrBadName); |
|
591 |
return(KErrNone); |
|
592 |
} |
|
593 |
||
594 |
||
595 |
CFsObject* SessionObjectFromHandle(TInt aHandle,TInt aUniqueID, CSessionFs* aSession) |
|
596 |
// |
|
597 |
// Lookup an object from its handle. |
|
598 |
// |
|
599 |
{
|
|
600 |
if(aUniqueID==0) |
|
601 |
return(aSession->Handles().At(aHandle,ETrue)); |
|
602 |
else |
|
603 |
return(aSession->Handles().At(aHandle,aUniqueID,ETrue)); |
|
604 |
} |
|
605 |
||
606 |
||
607 |
CFileShare* GetShareFromHandle(CSessionFs* aSession, TInt aHandle) |
|
608 |
// |
|
609 |
// Get the share control block from its handle. |
|
610 |
// |
|
611 |
{
|
|
612 |
return((CFileShare*)(SessionObjectFromHandle(aHandle,FileShares->UniqueID(),aSession))); |
|
613 |
} |
|
614 |
||
615 |
||
|
268
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
616 |
|
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
617 |
/** |
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
618 |
@return ETrue if aDes only contains spaces or is zero length |
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
619 |
Note that _all_ UNICODE space characters are treated as usual spaces |
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
620 |
*/ |
| 0 | 621 |
static TBool IsSpace(const TDesC& aDes) |
622 |
{
|
|
623 |
||
624 |
TInt len=aDes.Length(); |
|
625 |
if (len==0) |
|
626 |
return(EFalse); |
|
627 |
for (TInt i=0;i<len;i++) |
|
628 |
{
|
|
629 |
TChar txt=aDes[i]; |
|
630 |
if (!txt.IsSpace()) |
|
631 |
return(EFalse); |
|
632 |
} |
|
633 |
return(ETrue); |
|
634 |
} |
|
635 |
||
636 |
TUint32 CalcNameHash(const TDesC& aName) |
|
637 |
{
|
|
638 |
const TUint32 KNameHashCRCInitialiser=0x12345678; |
|
639 |
TUint32 hash=KNameHashCRCInitialiser; |
|
640 |
Mem::Crc32(hash, aName.Ptr(), aName.Size()); |
|
641 |
return hash; |
|
642 |
} |
|
643 |
||
644 |
||
645 |
TBool TNameChecker::IsIllegal(TText& aChar) const |
|
646 |
// |
|
647 |
// Checks aChar != any of < > : " / | |
|
648 |
// \ is also illegal in a name but will be considered a path delimiter |
|
649 |
// |
|
650 |
{
|
|
651 |
switch (aChar) |
|
652 |
{
|
|
653 |
case '<': |
|
654 |
case '>': |
|
655 |
case ':': |
|
656 |
case '"': |
|
657 |
case '/': |
|
658 |
case '|': |
|
659 |
case '\000': |
|
660 |
return(ETrue); |
|
661 |
default: |
|
662 |
break; |
|
663 |
} |
|
664 |
return(EFalse); |
|
665 |
} |
|
666 |
||
667 |
||
668 |
||
669 |
TBool TNameChecker::IsIllegalChar(TText& aChar) |
|
670 |
// |
|
671 |
// Checks aName for illegal components and returns the offending character if any |
|
672 |
// No other parsing is performed |
|
673 |
// |
|
674 |
{
|
|
675 |
TInt len=iName.Length(); |
|
676 |
while (len--) |
|
677 |
{
|
|
678 |
if (IsIllegal(iName[len]))// '<', '>', ':', '"', '/', '|' or '\000'? |
|
679 |
{
|
|
680 |
aChar=iName[len]; |
|
681 |
return(ETrue); |
|
682 |
} |
|
683 |
} |
|
684 |
return(EFalse); |
|
685 |
} |
|
686 |
||
687 |
||
688 |
TBool TNameChecker::IsIllegalName() |
|
689 |
// |
|
690 |
// Checks name is not _L(".") or _L("..") and that there are no illegal characters
|
|
691 |
// |
|
692 |
{
|
|
693 |
||
694 |
TInt pos=iName.LocateReverse(KPathDelimiter)+1; |
|
695 |
TPtrC fileName(iName.Ptr()+pos,iName.Length()-pos); |
|
696 |
SetName(fileName); |
|
697 |
||
698 |
if (iName==_L(".") || iName==_L("..") || IsSpace(iName))
|
|
699 |
return ETrue; |
|
700 |
TInt len=iName.Length(); |
|
701 |
||
702 |
while (len--) |
|
703 |
{
|
|
704 |
if (IsIllegal(iName[len])) // '<', '>', ':', '"', '/', '|' or '\000'? |
|
705 |
return(ETrue); |
|
706 |
} |
|
707 |
return(EFalse); |
|
708 |
} |
|
709 |
||
710 |
||
711 |
TBool TNameChecker::IsIllegalName(TText& aChar) |
|
712 |
// |
|
713 |
// Check name and path are legal - if not, return the offending component |
|
714 |
// |
|
715 |
{
|
|
716 |
TInt r=iParse.Set(iName,NULL,NULL); |
|
717 |
if (r!=KErrNone) |
|
718 |
return(ETrue); // Checks for names > 256 chars etc |
|
719 |
||
720 |
SetName(iParse.FullName()); |
|
721 |
if (IsIllegalPath(aChar)) |
|
722 |
return(ETrue); // Checks for illegal characters in path |
|
723 |
||
724 |
TInt nameStart=iParse.FullName().LocateReverse(KPathDelimiter)+1; |
|
725 |
r=(iParse.FullName().Mid(nameStart)).LocateReverse(KPathDelimiter)+1; |
|
726 |
TPtrC fileName(iName.Ptr()+r,iName.Length()-r); |
|
727 |
SetName(fileName); |
|
728 |
||
729 |
if (iName==_L(".") || iName==_L("..") || IsSpace(iName))
|
|
730 |
{
|
|
731 |
aChar=iName[0]; |
|
732 |
return ETrue; |
|
733 |
} |
|
734 |
||
735 |
return (IsIllegalChar(aChar)); |
|
736 |
} |
|
737 |
||
738 |
const TInt KSpace = ' '; |
|
739 |
TBool TNameChecker::IsIllegalPath() |
|
740 |
// |
|
741 |
// Checks the path does not contain wildcards or directories _L(".") or _L("..") or just spaces
|
|
742 |
// |
|
743 |
{
|
|
744 |
||
745 |
if (iName.Locate(KMatchOne)!=KErrNotFound || iName.Locate(KMatchAny)!=KErrNotFound) |
|
746 |
return(ETrue); |
|
747 |
||
748 |
TLex pathLex=iName; |
|
749 |
FOREVER |
|
750 |
{
|
|
751 |
pathLex.Inc(); |
|
752 |
if (pathLex.Remainder().Length()==0) |
|
753 |
break; |
|
754 |
TInt nextPath=pathLex.Remainder().Locate(KPathDelimiter); |
|
755 |
if (nextPath==0) // Reject double backslashes |
|
756 |
return(ETrue); |
|
757 |
if (nextPath==KErrNotFound) |
|
758 |
nextPath=pathLex.Remainder().Length(); |
|
759 |
pathLex.Mark(); |
|
760 |
pathLex.Inc(nextPath); |
|
761 |
SetName(pathLex.MarkedToken()); |
|
762 |
if (IsIllegalName()) |
|
763 |
return(ETrue); |
|
764 |
// check for tailing dots |
|
765 |
for(TInt i = pathLex.MarkedToken().Length() - 1; i >= 0; --i) |
|
766 |
{
|
|
767 |
if (pathLex.MarkedToken()[i] == KExtDelimiter) |
|
768 |
{
|
|
769 |
return ETrue; |
|
770 |
} |
|
771 |
else if (pathLex.MarkedToken()[i] == KSpace) |
|
772 |
{
|
|
773 |
continue; |
|
774 |
} |
|
775 |
else |
|
776 |
{
|
|
777 |
break; |
|
778 |
} |
|
779 |
} |
|
780 |
} |
|
781 |
return(EFalse); |
|
782 |
} |
|
783 |
||
784 |
||
785 |
TBool TNameChecker::IsIllegalPath(TText& aChar) |
|
786 |
// |
|
787 |
// Checks the path does not contain wildcards or directories _L(".") or _L("..") or just spaces
|
|
788 |
// Returns the first offending character found (if any) |
|
789 |
// |
|
790 |
{
|
|
791 |
if (iName.Locate(KMatchOne)!=KErrNotFound) |
|
792 |
{
|
|
793 |
aChar=KMatchOne; |
|
794 |
return (ETrue); |
|
795 |
} |
|
796 |
if (iName.Locate(KMatchAny)!=KErrNotFound) |
|
797 |
{
|
|
798 |
aChar=KMatchAny; |
|
799 |
return (ETrue); |
|
800 |
} |
|
801 |
||
802 |
TLex pathLex=iName; |
|
803 |
TFileName name; |
|
804 |
FOREVER |
|
805 |
{
|
|
806 |
pathLex.Inc(); |
|
807 |
if (pathLex.Remainder().Length()==0) |
|
808 |
break; |
|
809 |
TInt nextPath=pathLex.Remainder().Locate(KPathDelimiter); |
|
810 |
if (nextPath==0) // Reject double backslashes |
|
811 |
{
|
|
812 |
aChar=KPathDelimiter; |
|
813 |
return ETrue; |
|
814 |
} |
|
815 |
if (nextPath==KErrNotFound) |
|
816 |
nextPath=pathLex.Remainder().Length(); |
|
817 |
pathLex.Mark(); |
|
818 |
pathLex.Inc(nextPath); |
|
819 |
name=pathLex.MarkedToken(); |
|
820 |
// check for tailing dots |
|
821 |
for(TInt i = pathLex.MarkedToken().Length() - 1; i >= 0; --i) |
|
822 |
{
|
|
823 |
if (pathLex.MarkedToken()[i] == KExtDelimiter) |
|
824 |
{
|
|
825 |
aChar = KExtDelimiter; |
|
826 |
return ETrue; |
|
827 |
} |
|
828 |
else if (pathLex.MarkedToken()[i] == KSpace) |
|
829 |
{
|
|
830 |
continue; |
|
831 |
} |
|
832 |
else |
|
833 |
{
|
|
834 |
break; |
|
835 |
} |
|
836 |
} |
|
837 |
TInt pos=name.LocateReverse(KPathDelimiter)+1; |
|
838 |
TPtrC fileName(name.Ptr()+pos,name.Length()-pos); |
|
839 |
SetName(fileName); |
|
840 |
if (iName==_L(".") || iName==_L("..") || IsSpace(iName))
|
|
841 |
{
|
|
842 |
aChar=iName[0]; |
|
843 |
return ETrue; |
|
844 |
} |
|
845 |
||
846 |
if (IsIllegalChar(aChar)) |
|
847 |
return(ETrue); |
|
848 |
} |
|
849 |
||
850 |
return(EFalse); |
|
851 |
} |
|
852 |
||
853 |
||
854 |
TBool IsIllegalFullName(const TParse& aParse) |
|
855 |
{
|
|
856 |
TPtrC ptr=aParse.Path(); |
|
857 |
TNameChecker checker(ptr); |
|
858 |
if (checker.IsIllegalPath()) |
|
859 |
return(ETrue); // Checks for illegal characters in path |
|
860 |
||
861 |
TInt nameStart=aParse.FullName().LocateReverse(KPathDelimiter)+1; |
|
862 |
checker.SetName(aParse.FullName().Mid(nameStart)); |
|
863 |
||
864 |
if (checker.IsIllegalName()) |
|
865 |
return(ETrue); // Checks illegal characters such as ></|". and .. |
|
866 |
return(EFalse); |
|
867 |
} |
|
868 |
||
869 |
TBool IsIllegalFullName(const TDesC& aName) |
|
870 |
// |
|
871 |
// Check name and path are legal |
|
872 |
// |
|
873 |
{
|
|
874 |
TParse parser; |
|
875 |
TInt r=parser.Set(aName,NULL,NULL); |
|
876 |
if (r!=KErrNone) |
|
877 |
return(ETrue); // Checks for wild cards, names>256 chars etc |
|
878 |
||
879 |
return IsIllegalFullName(parser); |
|
880 |
} |
|
881 |
||
882 |
TBool PowerOk() |
|
883 |
// |
|
884 |
// Check the power is OK |
|
885 |
// |
|
886 |
{
|
|
887 |
||
888 |
TBool powerGood=EFalse; |
|
889 |
TInt r=HAL::Get(HAL::EPowerGood, powerGood); |
|
890 |
if (r!=KErrNone) |
|
891 |
return EFalse; |
|
892 |
return powerGood; |
|
893 |
} |
|
894 |
||
|
268
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|
895 |
//--------------------------------------------------------------------------------------------------------------------------------- |
|
345b1ca54e88
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parents:
257
diff
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|
896 |
/** |
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
897 |
Decrement mount's lock counter when the mount resource, like a file or directory is opened. |
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
898 |
See also: CMountCB::LockStatus() |
|
345b1ca54e88
Revision: 201036
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parents:
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diff
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|
899 |
*/ |
| 0 | 900 |
void AddResource(CMountCB& aMount) |
901 |
{
|
|
902 |
__CHECK_DRIVETHREAD(aMount.Drive().DriveNumber()); |
|
903 |
__ASSERT_DEBUG(aMount.LockStatus()<=0,Fault(ERawDiskBadAccessCount2)); |
|
904 |
aMount.DecLock(); |
|
905 |
} |
|
906 |
||
|
268
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changeset
|
907 |
/** |
|
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Revision: 201036
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parents:
257
diff
changeset
|
908 |
Increment mount's lock counter when the mount resource, like a file or directory is closed. |
|
345b1ca54e88
Revision: 201036
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parents:
257
diff
changeset
|
909 |
See also: CMountCB::LockStatus() |
|
345b1ca54e88
Revision: 201036
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parents:
257
diff
changeset
|
910 |
*/ |
| 0 | 911 |
void RemoveResource(CMountCB& aMount) |
912 |
{
|
|
913 |
__ASSERT_DEBUG(aMount.LockStatus()<0,Fault(ERawDiskBadAccessCount1)); |
|
914 |
aMount.IncLock(); |
|
915 |
} |
|
916 |
||
917 |
||
|
268
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diff
changeset
|
918 |
/** |
|
345b1ca54e88
Revision: 201036
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parents:
257
diff
changeset
|
919 |
Increment mount's lock counter when the disk access (Format, Raw disk) is opened on the mount |
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
920 |
See also: CMountCB::LockStatus() |
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
921 |
*/ |
| 0 | 922 |
void AddDiskAccess(CMountCB& aMount) |
923 |
{
|
|
924 |
aMount.IncLock(); |
|
925 |
} |
|
926 |
||
|
268
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parents:
257
diff
changeset
|
927 |
/** |
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
928 |
Decrement mount's lock counter when the disk access (Format, Raw disk) is closed on the mount |
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
929 |
See also: CMountCB::LockStatus() |
|
345b1ca54e88
Revision: 201036
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
257
diff
changeset
|
930 |
*/ |
| 0 | 931 |
void RemoveDiskAccess(CMountCB& aMount) |
932 |
{
|
|
933 |
aMount.DecLock(); |
|
934 |
} |
|
935 |
||
936 |
EXPORT_C void AllocBufferL(HBufC*& aBuf,const TDesC& aName) |
|
937 |
// |
|
938 |
// Alloc or ReAlloc buffer |
|
939 |
// |
|
940 |
{
|
|
941 |
||
942 |
if (aBuf==NULL) |
|
943 |
{
|
|
944 |
aBuf=aName.AllocL(); |
|
945 |
return; |
|
946 |
} |
|
947 |
if (aBuf->Length()<aName.Length()) |
|
948 |
{
|
|
949 |
TInt bufGranularity=(1<<KLog2BufGranularity); |
|
950 |
TInt size=((aName.Length()+bufGranularity-1)>>KLog2BufGranularity)<<KLog2BufGranularity; |
|
951 |
aBuf=aBuf->ReAllocL(size); |
|
952 |
} |
|
953 |
aBuf->Des()=aName; |
|
954 |
} |
|
955 |
||
956 |
void NextInPath(const TDesC& aPath,TPtrC& anEntry,TInt& aPos) |
|
957 |
// |
|
958 |
// Returns the next entry in the path |
|
959 |
// |
|
960 |
{
|
|
961 |
||
962 |
anEntry.Set(NULL,0); |
|
963 |
if ((aPos+1)>=aPath.Length()) |
|
964 |
return; |
|
965 |
TPtrC path(aPath.Mid(aPos+1)); // Skip delimiter |
|
966 |
TInt delimiterPos=path.Locate(KPathDelimiter); |
|
967 |
if (delimiterPos==KErrNotFound) |
|
968 |
delimiterPos=aPath.Length()-(aPos+1); |
|
969 |
if (delimiterPos<=0) |
|
970 |
return; |
|
971 |
||
972 |
if (path[delimiterPos-1]==KExtDelimiter) // return "F32." as "F32" |
|
973 |
anEntry.Set(aPath.Mid(aPos+1,delimiterPos-1)); |
|
974 |
else |
|
975 |
anEntry.Set(aPath.Mid(aPos+1,delimiterPos)); |
|
976 |
aPos+=delimiterPos+1; |
|
977 |
} |
|
978 |
||
979 |
TInt MatchUidType(const TUidType &aMatch, const TUidType &aType) |
|
980 |
// |
|
981 |
// Compare aType against aMatch with KNullUid as a wildcard |
|
982 |
// |
|
983 |
{
|
|
984 |
||
985 |
TUid mu=aMatch[2]; |
|
986 |
TUid tu=aType[2]; |
|
987 |
if (mu!=KNullUid && tu!=KNullUid && mu!=tu) |
|
988 |
return KErrNotSupported; |
|
989 |
mu=aMatch[1]; |
|
990 |
tu=aType[1]; |
|
991 |
if (mu!=KNullUid && tu!=KNullUid && mu!=tu) |
|
992 |
return KErrNotSupported; |
|
993 |
mu=aMatch[0]; |
|
994 |
tu=aType[0]; |
|
995 |
if (mu!=KNullUid && tu!=KNullUid && mu!=tu) |
|
996 |
return KErrNotSupported; |
|
997 |
return KErrNone; |
|
998 |
} |
|
999 |
||
1000 |
/** |
|
1001 |
* Compare sections of filenames according to locale-independent rules as well |
|
1002 |
* as locale-dependent rules. This is an attempt to get an ordering where |
|
1003 |
* equivalent names sort together but the overall ordering is culturally |
|
1004 |
* acceptable. Sadly, the ordering it gives is not consistent, and it is not |
|
1005 |
* clear how to make it so. Hence this function is deprecated. The correct way |
|
1006 |
* to do this is to code around it: If you need a sorted array for display that |
|
1007 |
* you also need to search for equivalent filenames, either use a linear search |
|
1008 |
* or keep two arrays, one sorted with CompareF, the other with CompareC. |
|
1009 |
* @deprecated 6.1 |
|
1010 |
*/ |
|
1011 |
EXPORT_C TInt CompareFilenames(const TDesC& aFileName1,const TDesC& aFileName2) |
|
1012 |
// |
|
1013 |
// Compare filenames. Case is ignored and names are normalised |
|
1014 |
// (base+accent is equal to composed character) but spaces |
|
1015 |
// and punctuation are significant for determining equality. |
|
1016 |
// Whether two filenames are identical is the same in all |
|
1017 |
// locales, but the ordering of non-identical filenames is locale-specific. |
|
1018 |
// |
|
1019 |
// |
|
1020 |
{
|
|
1021 |
// Create a non-locale-specific collation method that doesn't ignore spaces and punctuation but folds case. |
|
1022 |
TCollationMethod method; |
|
1023 |
method.iFlags = TCollationMethod::EIgnoreNone | TCollationMethod::EFoldCase; |
|
1024 |
method.iMainTable=NULL; |
|
1025 |
method.iOverrideTable=NULL; |
|
1026 |
||
1027 |
// Get the non-locale-specific order and return it if the names are equal. |
|
1028 |
TInt base_order = aFileName1.CompareC(aFileName2,3,&method); |
|
1029 |
if (base_order == 0) |
|
1030 |
return base_order; |
|
1031 |
||
1032 |
// Get the locale-specific order and use it unless it is equality, in which case the non-locale-specific order must be used. |
|
1033 |
TInt locale_order = aFileName1.CompareC(aFileName2); |
|
1034 |
return locale_order ? locale_order : base_order; |
|
1035 |
} |
|
1036 |
||
1037 |
void Get8BitDllName(TDes8& aDllName, const TDesC& aFileName) |
|
1038 |
// |
|
1039 |
// Convert a 16 bit name to an 8 bit name |
|
1040 |
// No data loss because UNICODE Dlls are currently restricted to 8 bit names |
|
1041 |
// No effect in 8 bit builds - just sets aDllName to aFileName |
|
1042 |
// |
|
1043 |
{
|
|
1044 |
aDllName.SetLength(aFileName.Length()); |
|
1045 |
aDllName.Copy(aFileName); |
|
1046 |
} |
|
1047 |
||
1048 |
void Get16BitDllName(TDes& aFileName, const TDesC8& aDllName) |
|
1049 |
// |
|
1050 |
// Convert an 8 bit name to a 16 bit name - zero padded automatically |
|
1051 |
// No effect in 8 bit builds - just sets aFileName to aDllName |
|
1052 |
// |
|
1053 |
{
|
|
1054 |
aFileName.SetLength(aDllName.Length()); |
|
1055 |
aFileName.Copy(aDllName); |
|
1056 |
} |
|
1057 |
||
1058 |
||
1059 |
/** |
|
1060 |
Checks that there is sufficient disk space available to complete a task taking into account reserved space |
|
1061 |
||
1062 |
@param aThreshold amount of required free space, in bytes |
|
1063 |
@param aRequest |
|
1064 |
||
1065 |
@return KErrNone on success and if there are _strictly_more_ than aThreshold bytes available on the volume (taking into account reserved space) |
|
1066 |
KErrDiskFull on success and if there isn't enough space |
|
1067 |
system-wide error code otherwise |
|
1068 |
*/ |
|
1069 |
TInt CheckDiskSpace(TInt64 aThreshold, CFsRequest* aRequest) |
|
1070 |
{
|
|
1071 |
const TInt KReservedSpace = aRequest->Drive()->ReservedSpace(); |
|
1072 |
const TInt KDriveNumber = aRequest->Drive()->DriveNumber(); |
|
1073 |
||
1074 |
if(KReservedSpace == 0 || KDriveNumber == EDriveZ) |
|
1075 |
return KErrNone; |
|
1076 |
||
|
117
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Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1077 |
ASSERT(aThreshold); |
|
5b5d147c7838
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1078 |
|
| 0 | 1079 |
//-- if the drive has a reserved space, take it into account |
1080 |
CSessionFs* session=aRequest->Session(); |
|
1081 |
||
1082 |
if(!session || !session->ReservedAccess(KDriveNumber)) |
|
1083 |
aThreshold += KReservedSpace; |
|
1084 |
||
1085 |
//-- ask the corresponding file system if there is aThreshold bytes available. |
|
|
117
5b5d147c7838
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1086 |
return aRequest->Drive()->RequestFreeSpaceOnMount(aThreshold); |
| 0 | 1087 |
} |
1088 |
||
1089 |
||
1090 |
#if defined(_DEBUG) || defined(_DEBUG_RELEASE) |
|
1091 |
EXPORT_C TUint32 DebugRegister() {return(DebugReg);}
|
|
1092 |
#else |
|
1093 |
EXPORT_C TUint32 DebugRegister() {return(0);}
|
|
1094 |
#endif |
|
1095 |
||
1096 |
CLogon* CLogon::NewL() |
|
1097 |
// |
|
1098 |
// Create the CLogon active object. |
|
1099 |
// |
|
1100 |
{
|
|
1101 |
||
1102 |
CLogon* pL=new(ELeave) CLogon(EPriority); |
|
1103 |
CActiveScheduler::Add(pL); |
|
1104 |
return(pL); |
|
1105 |
} |
|
1106 |
||
1107 |
#pragma warning( disable : 4705 ) // statement has no effect |
|
1108 |
CLogon::CLogon(TInt aPriority) |
|
1109 |
// |
|
1110 |
// Constructor |
|
1111 |
// |
|
1112 |
: CActive(aPriority) |
|
1113 |
{
|
|
1114 |
} |
|
1115 |
#pragma warning( default : 4705 ) |
|
1116 |
||
1117 |
TInt CLogon::Logon(RThread aThread) |
|
1118 |
// |
|
1119 |
// Issue a request to logon to the thread. |
|
1120 |
// |
|
1121 |
{
|
|
1122 |
||
1123 |
iThread=aThread; |
|
1124 |
iThread.Logon(iStatus); |
|
1125 |
SetActive(); |
|
1126 |
if (iStatus==KErrNoMemory) |
|
1127 |
iThread.Kill(KErrNoMemory); |
|
1128 |
else |
|
1129 |
iThread.Resume(); |
|
1130 |
iThread.Close(); |
|
1131 |
CActiveScheduler::Start(); |
|
1132 |
return(iStatus.Int()); |
|
1133 |
} |
|
1134 |
||
1135 |
void CLogon::DoCancel() |
|
1136 |
// |
|
1137 |
// Cancel a pending event. |
|
1138 |
// |
|
1139 |
{
|
|
1140 |
||
1141 |
iThread.LogonCancel(iStatus); |
|
1142 |
} |
|
1143 |
||
1144 |
void CLogon::RunL() |
|
1145 |
// |
|
1146 |
// Thread has terminated. |
|
1147 |
// |
|
1148 |
{
|
|
1149 |
||
1150 |
CActiveScheduler::Stop(); |
|
1151 |
} |
|
1152 |