[fireball] 43527: [fastfat_new] - Search FCBs with unicode name too, besides of OEM. - Create an infrastructure for opening existing FCB/DCBs.
Author: fireball Date: Sat Oct 17 12:57:48 2009 New Revision: 43527
URL: http://svn.reactos.org/svn/reactos?rev=43527&view=rev Log: [fastfat_new] - Search FCBs with unicode name too, besides of OEM. - Create an infrastructure for opening existing FCB/DCBs.
Modified: trunk/reactos/drivers/filesystems/fastfat_new/create.c trunk/reactos/drivers/filesystems/fastfat_new/dir.c trunk/reactos/drivers/filesystems/fastfat_new/fastfat.h trunk/reactos/drivers/filesystems/fastfat_new/fcb.c
Modified: trunk/reactos/drivers/filesystems/fastfat_new/create.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfat... ============================================================================== --- trunk/reactos/drivers/filesystems/fastfat_new/create.c [iso-8859-1] (original) +++ trunk/reactos/drivers/filesystems/fastfat_new/create.c [iso-8859-1] Sat Oct 17 12:57:48 2009 @@ -353,10 +353,11 @@ IO_STATUS_BLOCK Iosb; PIO_STACK_LOCATION IrpSp; BOOLEAN EndBackslash = FALSE, OpenedAsDos; - UNICODE_STRING RemainingPart, FirstName, NextName; + UNICODE_STRING RemainingPart, FirstName, NextName, FileNameUpcased; OEM_STRING AnsiFirstName; FF_ERROR FfError; TYPE_OF_OPEN TypeOfOpen; + BOOLEAN OplockPostIrp = FALSE;
Iosb.Status = STATUS_SUCCESS;
@@ -684,10 +685,22 @@ &OpenedAsDos); }
- /* Check if we found anything */ + /* If nothing found - try with unicode */ if (!NextFcb && Fcb->Dcb.SplayLinksUnicode) { - ASSERT(FALSE); + FileNameUpcased.Buffer = FsRtlAllocatePool(PagedPool, FirstName.Length); + FileNameUpcased.Length = 0; + FileNameUpcased.MaximumLength = FirstName.Length; + + /* Downcase and then upcase to normalize it */ + Status = RtlDowncaseUnicodeString(&FileNameUpcased, &FirstName, FALSE); + Status = RtlUpcaseUnicodeString(&FileNameUpcased, &FileNameUpcased, FALSE); + + /* Try to find FCB again using unicode name */ + NextFcb = FatFindFcb(IrpContext, + &Fcb->Dcb.SplayLinksUnicode, + (PSTRING)&FileNameUpcased, + &OpenedAsDos); }
/* Move to the next FCB */ @@ -729,8 +742,116 @@ /* We have a valid FCB now */ if (!RemainingPart.Length) { - DPRINT1("It's possible to open an existing FCB\n"); - ASSERT(FALSE); + /* Check for target dir open */ + if (OpenTargetDirectory) + { + DPRINT1("Opening target dir is missing\n"); + ASSERT(FALSE); + } + + /* Check this FCB's type */ + if (FatNodeType(Fcb) == FAT_NTC_ROOT_DCB || + FatNodeType(Fcb) == FAT_NTC_DCB) + { + /* Open a directory */ + if (NonDirectoryFile) + { + /* Forbidden */ + Iosb.Status = STATUS_FILE_IS_A_DIRECTORY; + ASSERT(FALSE); + return Iosb.Status; + } + + /* Open existing DCB */ + Iosb = FatiOpenExistingDcb(IrpContext, + FileObject, + Vcb, + Fcb, + DesiredAccess, + ShareAccess, + CreateDisposition, + NoEaKnowledge, + DeleteOnClose); + + /* Save information */ + Irp->IoStatus.Information = Iosb.Information; + + /* Unlock VCB */ + FatReleaseVcb(IrpContext, Vcb); + + /* Complete the request */ + FatCompleteRequest(IrpContext, Irp, Iosb.Status); + + return Iosb.Status; + } + else if (FatNodeType(Fcb) == FAT_NTC_FCB) + { + /* Open a file */ + if (OpenDirectory) + { + /* Forbidden */ + Iosb.Status = STATUS_NOT_A_DIRECTORY; + ASSERT(FALSE); + return Iosb.Status; + } + + /* Check for trailing backslash */ + if (EndBackslash) + { + /* Forbidden */ + Iosb.Status = STATUS_OBJECT_NAME_INVALID; + ASSERT(FALSE); + return Iosb.Status; + } + + Iosb = FatiOpenExistingFcb(IrpContext, + FileObject, + Vcb, + Fcb, + DesiredAccess, + ShareAccess, + AllocationSize, + EaBuffer, + EaLength, + FileAttributes, + CreateDisposition, + NoEaKnowledge, + DeleteOnClose, + OpenedAsDos, + &OplockPostIrp); + + /* Check if it's pending */ + if (Iosb.Status != STATUS_PENDING) + { + /* In case of success set cache supported flag */ + if (NT_SUCCESS(Iosb.Status) && !NoIntermediateBuffering) + { + SetFlag(FileObject->Flags, FO_CACHE_SUPPORTED); + } + + /* Save information */ + Irp->IoStatus.Information = Iosb.Information; + + /* Unlock VCB */ + FatReleaseVcb(IrpContext, Vcb); + + /* Complete the request */ + FatCompleteRequest(IrpContext, Irp, Iosb.Status); + + return Iosb.Status; + } + else + { + /* Queue this IRP */ + UNIMPLEMENTED; + ASSERT(FALSE); + } + } + else + { + /* Unexpected FCB type */ + KeBugCheckEx(/*FAT_FILE_SYSTEM*/0x23, __LINE__, (ULONG_PTR)Fcb, 0, 0); + } }
/* During parsing we encountered a part which has no attached FCB/DCB.
Modified: trunk/reactos/drivers/filesystems/fastfat_new/dir.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfat... ============================================================================== --- trunk/reactos/drivers/filesystems/fastfat_new/dir.c [iso-8859-1] (original) +++ trunk/reactos/drivers/filesystems/fastfat_new/dir.c [iso-8859-1] Sat Oct 17 12:57:48 2009 @@ -173,4 +173,24 @@ return Fcb; }
+IO_STATUS_BLOCK +NTAPI +FatiOpenExistingDcb(IN PFAT_IRP_CONTEXT IrpContext, + IN PFILE_OBJECT FileObject, + IN PVCB Vcb, + IN PFCB Dcb, + IN PACCESS_MASK DesiredAccess, + IN USHORT ShareAccess, + IN ULONG CreateDisposition, + IN BOOLEAN NoEaKnowledge, + IN BOOLEAN DeleteOnClose) +{ + IO_STATUS_BLOCK Iosb = {{0}}; + + Iosb.Status = STATUS_NOT_IMPLEMENTED; + UNIMPLEMENTED; + + return Iosb; +} + /* EOF */
Modified: trunk/reactos/drivers/filesystems/fastfat_new/fastfat.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfat... ============================================================================== --- trunk/reactos/drivers/filesystems/fastfat_new/fastfat.h [iso-8859-1] (original) +++ trunk/reactos/drivers/filesystems/fastfat_new/fastfat.h [iso-8859-1] Sat Oct 17 12:57:48 2009 @@ -86,6 +86,17 @@ IN PVCB Vcb, IN PFCB ParentDcb, IN FF_FILE *FileHandle); + +IO_STATUS_BLOCK NTAPI +FatiOpenExistingDcb(IN PFAT_IRP_CONTEXT IrpContext, + IN PFILE_OBJECT FileObject, + IN PVCB Vcb, + IN PFCB Dcb, + IN PACCESS_MASK DesiredAccess, + IN USHORT ShareAccess, + IN ULONG CreateDisposition, + IN BOOLEAN NoEaKnowledge, + IN BOOLEAN DeleteOnClose);
/* -------------------------------------------------------- create.c */
@@ -296,6 +307,23 @@ IN PFCB ParentDcb, IN FF_FILE *FileHandle);
+IO_STATUS_BLOCK NTAPI +FatiOpenExistingFcb(IN PFAT_IRP_CONTEXT IrpContext, + IN PFILE_OBJECT FileObject, + IN PVCB Vcb, + IN PFCB Fcb, + IN PACCESS_MASK DesiredAccess, + IN USHORT ShareAccess, + IN ULONG AllocationSize, + IN PFILE_FULL_EA_INFORMATION EaBuffer, + IN ULONG EaLength, + IN UCHAR FileAttributes, + IN ULONG CreateDisposition, + IN BOOLEAN NoEaKnowledge, + IN BOOLEAN DeleteOnClose, + IN BOOLEAN OpenedAsDos, + OUT PBOOLEAN OplockPostIrp); + PFCB NTAPI FatFindFcb(PFAT_IRP_CONTEXT IrpContext, PRTL_SPLAY_LINKS *RootNode,
Modified: trunk/reactos/drivers/filesystems/fastfat_new/fcb.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfat... ============================================================================== --- trunk/reactos/drivers/filesystems/fastfat_new/fcb.c [iso-8859-1] (original) +++ trunk/reactos/drivers/filesystems/fastfat_new/fcb.c [iso-8859-1] Sat Oct 17 12:57:48 2009 @@ -170,6 +170,32 @@ Ccb->NodeByteSize = sizeof(CCB);
return Ccb; +} + +IO_STATUS_BLOCK +NTAPI +FatiOpenExistingFcb(IN PFAT_IRP_CONTEXT IrpContext, + IN PFILE_OBJECT FileObject, + IN PVCB Vcb, + IN PFCB Fcb, + IN PACCESS_MASK DesiredAccess, + IN USHORT ShareAccess, + IN ULONG AllocationSize, + IN PFILE_FULL_EA_INFORMATION EaBuffer, + IN ULONG EaLength, + IN UCHAR FileAttributes, + IN ULONG CreateDisposition, + IN BOOLEAN NoEaKnowledge, + IN BOOLEAN DeleteOnClose, + IN BOOLEAN OpenedAsDos, + OUT PBOOLEAN OplockPostIrp) +{ + IO_STATUS_BLOCK Iosb = {{0}}; + + Iosb.Status = STATUS_NOT_IMPLEMENTED; + UNIMPLEMENTED; + + return Iosb; }
VOID
-
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