Windows: Deny writes/truncation to files w RO attr

[openafs.git] / src / WINNT / afsrdr / kernel / lib / AFSCreate.cpp

diff --git a/src/WINNT/afsrdr/kernel/lib/AFSCreate.cpp b/src/WINNT/afsrdr/kernel/lib/AFSCreate.cpp
index 4254a7e..5055482 100644 (file)
--- a/src/WINNT/afsrdr/kernel/lib/AFSCreate.cpp
+++ b/src/WINNT/afsrdr/kernel/lib/AFSCreate.cpp
@@ -3453,6 +3453,18 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
             try_return( ntStatus);
         }
 
+       if ( BooleanFlagOn( pObjectInfo->FileAttributes, FILE_ATTRIBUTE_READONLY))
+       {
+
+           AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
+                         AFS_TRACE_LEVEL_WARNING,
+                         "AFSProcessOverwriteSupersede Request failed on %wZ due to read only file attribute\n",
+                         Irp,
+                         &DirectoryCB->NameInformation.FileName));
+
+           try_return( ntStatus = STATUS_ACCESS_DENIED);
+       }
+
         //
         // Be sure we have an Fcb for the object block
         //