From: Martin Fleisz <martin.fleisz@thincast.com>
Date: Wed, 11 Jul 2018 13:06:31 +0000 (+0200)
Subject: rdpsnd: Fix sending of wave2 PDU
X-Git-Tag: 2.0.0-rc3~14^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0ec9579013270dd648f1d5283727a03e6a814c88;p=platform%2Fupstream%2Ffreerdp.git

rdpsnd: Fix sending of wave2 PDU

According to MS-RDPEA 2.2.3.10 the Wave2 PDU's header BodySize field
should be equal the size of the PDU minus the header (4 Bytes).
---

diff --git a/channels/rdpsnd/server/rdpsnd_main.c b/channels/rdpsnd/server/rdpsnd_main.c
index 0824f0e..8d582c5 100644
--- a/channels/rdpsnd/server/rdpsnd_main.c
+++ b/channels/rdpsnd/server/rdpsnd_main.c
@@ -507,7 +507,7 @@ static UINT rdpsnd_server_send_wave2_pdu(RdpsndServerContext* context,
 		/* Set stream size */
 		end = Stream_GetPosition(s);
 		Stream_SetPosition(s, 2);
-		Stream_Write_UINT16(s, end);
+		Stream_Write_UINT16(s, end - 4);
 		Stream_SetPosition(s, end);
 		Stream_SealLength(s);
 		context->block_no = (context->block_no + 1) % 256;