From 4cc9c2d3e1c4c51e6cb4e50620be12e9bc242773 Mon Sep 17 00:00:00 2001
From: unknown <gabriel.560@gmail.com>
Date: Sun, 4 Aug 2019 23:40:53 +0300
Subject: [PATCH] GUACAMOLE-861: Fixes WINDOWS_TIME calculation

This fixes the UNIX time to FILETIME conversion in WINDOWS_TIME macro,
according to MSDN (addition instead of subtraction).
---
 src/protocols/rdp/rdp_fs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/protocols/rdp/rdp_fs.h b/src/protocols/rdp/rdp_fs.h
index e8299efc..f1e42956 100644
--- a/src/protocols/rdp/rdp_fs.h
+++ b/src/protocols/rdp/rdp_fs.h
@@ -188,7 +188,7 @@
  * Converts a UNIX timestamp (seconds since Jan 1, 1970 UTC) to Windows
  * timestamp (100 nanosecond intervals since Jan 1, 1601 UTC).
  */
-#define WINDOWS_TIME(t) ((t - ((uint64_t) 11644473600)) * 10000000)
+#define WINDOWS_TIME(t) ((t + ((uint64_t) 11644473600)) * 10000000)
 
 /**
  * An arbitrary file on the virtual filesystem of the Guacamole drive.