From b40f6852866699080ce700013724bbc582c83329 Mon Sep 17 00:00:00 2001
From: Olga Kornievskaia <aglo@citi.umich.edu>
Date: Fri, 23 Mar 2012 15:31:51 -0400
Subject: [PATCH] return not_supported for windows streams

---
 sys/nfs41_driver.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/sys/nfs41_driver.c b/sys/nfs41_driver.c
index 9b70244..4fab055 100644
--- a/sys/nfs41_driver.c
+++ b/sys/nfs41_driver.c
@@ -3283,6 +3283,19 @@ BOOLEAN isFilenameTooLong(
     return FALSE;
 }
 
+BOOLEAN isStream(
+    PUNICODE_STRING name)
+{
+    LONG i;
+    PWCH p = name->Buffer;
+    for (i = 0; i < name->Length / 2; i++) {
+        if (p[0] == L':') return TRUE;
+        else if (p[0] == L'\0') return FALSE;
+        p++;
+    }
+    return FALSE;
+}
+
 BOOLEAN areOpenParamsValid(NT_CREATE_PARAMETERS *params)
 {
     /* from ms-fsa page 52 */
@@ -3409,6 +3422,11 @@ NTSTATUS nfs41_Create(
         goto out;
     }
 
+    if (isStream(SrvOpen->pAlreadyPrefixedName)) {
+        status = STATUS_NOT_SUPPORTED;
+        goto out;
+    }
+
     if ((pVNetRootContext->read_only || 
             ((params.FileAttributes & FILE_ATTRIBUTE_READONLY) &&
             params.Disposition == FILE_OPEN)) &&