[ekohl] 50264: [NPFS] - Add support for FileFullDirectoryInformation and FileBothDirectoryInformation. - Fix an off-by-one bug in the buffer size calculation. - Zero-initialize the return buffer.

Author: ekohl
Date: Sun Jan  2 19:37:08 2011
New Revision: 50264

URL: http://svn.reactos.org/svn/reactos?rev=50264&view=rev
Log:
[NPFS]
- Add support for FileFullDirectoryInformation and FileBothDirectoryInformation.
- Fix an off-by-one bug in the buffer size calculation.
- Zero-initialize the return buffer.

Modified:
    trunk/reactos/drivers/filesystems/npfs/dirctl.c

Modified: trunk/reactos/drivers/filesystems/npfs/dirctl.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/npfs/di...
==============================================================================
--- trunk/reactos/drivers/filesystems/npfs/dirctl.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/npfs/dirctl.c [iso-8859-1] Sun Jan  2 19:37:08 2011
@@ -35,6 +35,8 @@
     NTSTATUS Status = STATUS_SUCCESS;
     PFILE_NAMES_INFORMATION NamesBuffer;
     PFILE_DIRECTORY_INFORMATION DirectoryBuffer;
+    PFILE_FULL_DIR_INFORMATION FullDirBuffer;
+    PFILE_BOTH_DIR_INFORMATION BothDirBuffer;

Stack = IoGetCurrentIrpStackLocation(Irp);

@@ -132,6 +134,8 @@

if (PipeIndex >= FileIndex)
             {
+                RtlZeroMemory(Buffer, BufferLength);
+
                 switch (FileInformationClass)
                 {
                     case FileDirectoryInformation:
@@ -145,7 +149,37 @@
                         RtlCopyMemory(DirectoryBuffer->FileName,
                                       PipeFcb->PipeName.Buffer,
                                       PipeFcb->PipeName.Length);
-                        *Size = sizeof(FILE_DIRECTORY_INFORMATION) + PipeFcb->PipeName.Length - 1;
+                        *Size = sizeof(FILE_DIRECTORY_INFORMATION) + PipeFcb->PipeName.Length - sizeof(WCHAR);
+                        Status = STATUS_SUCCESS;
+                        break;
+
+                    case FileFullDirectoryInformation:
+                        FullDirBuffer = (PFILE_FULL_DIR_INFORMATION)Buffer;
+                        FullDirBuffer->NextEntryOffset = 0;
+                        FullDirBuffer->FileIndex = PipeIndex;
+                        FullDirBuffer->FileAttributes = FILE_ATTRIBUTE_NORMAL;
+                        FullDirBuffer->EndOfFile.QuadPart = PipeFcb->CurrentInstances;
+                        FullDirBuffer->AllocationSize.LowPart = PipeFcb->MaximumInstances;
+                        FullDirBuffer->FileNameLength = PipeFcb->PipeName.Length;
+                        RtlCopyMemory(FullDirBuffer->FileName,
+                                      PipeFcb->PipeName.Buffer,
+                                      PipeFcb->PipeName.Length);
+                        *Size = sizeof(FILE_FULL_DIR_INFORMATION) + PipeFcb->PipeName.Length - sizeof(WCHAR);
+                        Status = STATUS_SUCCESS;
+                        break;
+
+                    case FileBothDirectoryInformation:
+                        BothDirBuffer = (PFILE_BOTH_DIR_INFORMATION)Buffer;
+                        BothDirBuffer->NextEntryOffset = 0;
+                        BothDirBuffer->FileIndex = PipeIndex;
+                        BothDirBuffer->FileAttributes = FILE_ATTRIBUTE_NORMAL;
+                        BothDirBuffer->EndOfFile.QuadPart = PipeFcb->CurrentInstances;
+                        BothDirBuffer->AllocationSize.LowPart = PipeFcb->MaximumInstances;
+                        BothDirBuffer->FileNameLength = PipeFcb->PipeName.Length;
+                        RtlCopyMemory(BothDirBuffer->FileName,
+                                      PipeFcb->PipeName.Buffer,
+                                      PipeFcb->PipeName.Length);
+                        *Size = sizeof(FILE_BOTH_DIR_INFORMATION) + PipeFcb->PipeName.Length - sizeof(WCHAR);
                         Status = STATUS_SUCCESS;
                         break;

@@ -157,7 +191,7 @@
                         RtlCopyMemory(NamesBuffer->FileName,
                                       PipeFcb->PipeName.Buffer,
                                       PipeFcb->PipeName.Length);
-                        *Size = sizeof(FILE_NAMES_INFORMATION) + PipeFcb->PipeName.Length - 1;
+                        *Size = sizeof(FILE_NAMES_INFORMATION) + PipeFcb->PipeName.Length - sizeof(WCHAR);
                         Status = STATUS_SUCCESS;
                         break;