[pschweitzer] 68309: [NTFS] Validate the stream we're trying to open properly exists. This check might have to be moved later on when the driver switches to RW

Author: pschweitzer
Date: Sun Jun 28 21:16:03 2015
New Revision: 68309

URL: http://svn.reactos.org/svn/reactos?rev=68309&view=rev
Log:
[NTFS]
Validate the stream we're trying to open properly exists.
This check might have to be moved later on when the driver switches to RW

Modified:
    trunk/reactos/drivers/filesystems/ntfs/fcb.c

Modified: trunk/reactos/drivers/filesystems/ntfs/fcb.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/ntfs/fc...
==============================================================================
--- trunk/reactos/drivers/filesystems/ntfs/fcb.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/ntfs/fcb.c	[iso-8859-1] Sun Jun 28 21:16:03 2015
@@ -543,6 +543,7 @@
     PFILE_RECORD_HEADER FileRecord;
     ULONGLONG MFTIndex;
     PWSTR Colon;
+    PNTFS_ATTR_CONTEXT DataContext;
     USHORT Length = 0;

DPRINT1("NtfsDirFindFile(%p, %p, %S, %p)\n", Vcb, DirectoryFcb, FileToFind, FoundFCB);
@@ -571,6 +572,20 @@
     if (Length != 0)
     {
         File.Length = Length;
+    }
+
+    if ((FileRecord->Flags & FRH_DIRECTORY) && Colon != 0)
+    {
+        return STATUS_INVALID_PARAMETER;
+    }
+    else if (Colon != 0)
+    {
+        Status = FindAttribute(Vcb, FileRecord, AttributeData, Colon, wcslen(Colon), &DataContext);
+        if (!NT_SUCCESS(Status))
+        {
+            return STATUS_OBJECT_NAME_NOT_FOUND;
+        }
+        ReleaseAttributeContext(DataContext);
     }

Status = NtfsMakeFCBFromDirEntry(Vcb, DirectoryFcb, &File, Colon, FileRecord, MFTIndex, FoundFCB);