From 088ce4e83b2fd96214b83b3b9e9e535cf746e904 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
Date: Thu, 28 Aug 2014 22:17:31 +0200
Subject: [PATCH] xfer: send data message of size 0 for 0-size file

Make sure we send a xfer data message for 0-size files.
This avoid leaking file descriptiors in guest agent when
copying such files.

Reported-by: Cody Chan <int64ago@gmail.com>

https://bugzilla.redhat.com/show_bug.cgi?id=1135099
---
 gtk/channel-main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gtk/channel-main.c b/gtk/channel-main.c
index 84e6142..f14708f 100644
--- a/gtk/channel-main.c
+++ b/gtk/channel-main.c
@@ -1735,9 +1735,11 @@ static void file_xfer_read_cb(GObject *source_object,
         return;
     }
 
-    if (count > 0) {
+    if (count > 0 || task->file_size == 0) {
         task->read_bytes += count;
         file_xfer_queue(task, count);
+        if (count == 0)
+            return;
         file_xfer_flush_async(channel, task->cancellable,
                               file_xfer_data_flushed_cb, task);
         task->pending = TRUE;
-- 
1.9.3