ntdll: Fix NtDuplicateObject to only close the file descriptor if it's in the same process.

dlls/ntdll/om.c

@@ -314,8 +314,11 @@ NTSTATUS WINAPI NtDuplicateObject( HANDLE source_process, HANDLE source,
             if (dest) *dest = reply->handle;
             if (reply->closed)
             {
-                int fd = server_remove_fd_from_cache( source );
-                if (fd != -1) close( fd );
+                if (reply->self)
+                {
+                    int fd = server_remove_fd_from_cache( source );
+                    if (fd != -1) close( fd );
+                }
             }
             else if (options & DUPLICATE_CLOSE_SOURCE)
                 WARN( "failed to close handle %p in process %p\n", source, source_process );

include/wine/server_protocol.h

@@ -740,6 +740,7 @@ struct dup_handle_reply
 {
     struct reply_header __header;
     obj_handle_t handle;
+    int          self;
     int          closed;
 };
 #define DUP_HANDLE_CLOSE_SOURCE  DUPLICATE_CLOSE_SOURCE
@@ -4575,6 +4576,6 @@ union generic_reply
     struct query_symlink_reply query_symlink_reply;
 };
 
-#define SERVER_PROTOCOL_VERSION 270
+#define SERVER_PROTOCOL_VERSION 271
 
 #endif /* __WINE_WINE_SERVER_PROTOCOL_H */

server/handle.c

@@ -536,6 +536,7 @@ DECL_HANDLER(dup_handle)
             reply->closed = close_handle( src, req->src_handle );
             set_error( err );
         }
+        reply->self = (src == current->process);
         release_object( src );
     }
 }

server/protocol.def

@@ -635,6 +635,7 @@ typedef union
     unsigned int options;      /* duplicate options (see below) */
 @REPLY
     obj_handle_t handle;       /* duplicated handle in dst process */
+    int          self;         /* is the source the current process? */
     int          closed;       /* whether the source handle has been closed */
 @END
 #define DUP_HANDLE_CLOSE_SOURCE  DUPLICATE_CLOSE_SOURCE

server/trace.c

@@ -1025,6 +1025,7 @@ static void dump_dup_handle_request( const struct dup_handle_request *req )
 static void dump_dup_handle_reply( const struct dup_handle_reply *req )
 {
     fprintf( stderr, " handle=%p,", req->handle );
+    fprintf( stderr, " self=%d,", req->self );
     fprintf( stderr, " closed=%d", req->closed );
 }