From b98d13effb635f0f0ad76b05c2e7616f3e99305a Mon Sep 17 00:00:00 2001
From: Matt Johnston <matt@ucc.asn.au>
Date: Tue, 23 Sep 2008 12:03:01 +0000
Subject: [PATCH] Don't send anything in response to a SSH_MSG_CHANNEL_REQUEST
 if we have already sent a SSH_MSG_CHANNEL_CLOSE. This fixes a bug triggered
 by more recent versions of putty with tcp fowarding and window adjustment
 request messages.

--HG--
extra : convert_revision : 10b2f286b9886364db39dfbb4f8f46e49e345d87
---
 common-channel.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/common-channel.c b/common-channel.c
index 09fe425..2105184 100644
--- a/common-channel.c
+++ b/common-channel.c
@@ -572,6 +572,11 @@ void recv_msg_channel_request() {
 	
 	channel = getchannel();
 
+	if (channel->sent_close) {
+		TRACE(("leave recv_msg_channel_request: already closed channel"))
+		return;
+	}
+
 	if (channel->type->reqhandler) {
 		channel->type->reqhandler(channel);
 	} else {