From: Pierre Schweitzer <pierre@reactos.org>
Date: Sun, 28 Jun 2015 21:16:03 +0000 (+0000)
Subject: [NTFS]
X-Git-Tag: ReactOS-0.4.0~1681
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=a45dcb0d075f7172f965e48c7538d92696c81e0e

[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

svn path=/trunk/; revision=68309
---

diff --git a/reactos/drivers/filesystems/ntfs/fcb.c b/reactos/drivers/filesystems/ntfs/fcb.c
index de4c5f9e0a3..8d36f14df9b 100644
--- a/reactos/drivers/filesystems/ntfs/fcb.c
+++ b/reactos/drivers/filesystems/ntfs/fcb.c
@@ -543,6 +543,7 @@ NtfsDirFindFile(PNTFS_VCB Vcb,
     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);
@@ -573,6 +574,20 @@ NtfsDirFindFile(PNTFS_VCB Vcb,
         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);
     ExFreePoolWithTag(FileRecord, TAG_NTFS);