From fdcb384533ab1fd50b17effc08ff987556bbaccc Mon Sep 17 00:00:00 2001
From: Damien Miller <djm@cvs.openbsd.org>
Date: Wed, 21 Jul 2004 11:51:30 +0000
Subject: bz#902: cache remote port so we don't fatal() in auth_log when remote
 connection goes away quickly. from peak AT argo.troja.mff.cuni.cz; ok markus@

---
 usr.bin/ssh/canohost.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/usr.bin/ssh/canohost.c b/usr.bin/ssh/canohost.c
index af36ee3d86e..9713da46879 100644
--- a/usr.bin/ssh/canohost.c
+++ b/usr.bin/ssh/canohost.c
@@ -12,7 +12,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: canohost.c,v 1.40 2004/06/21 17:36:31 avsm Exp $");
+RCSID("$OpenBSD: canohost.c,v 1.41 2004/07/21 11:51:29 djm Exp $");
 
 #include "packet.h"
 #include "xmalloc.h"
@@ -339,7 +339,13 @@ get_peer_port(int sock)
 int
 get_remote_port(void)
 {
-	return get_port(0);
+	static int port = -1;
+
+	/* Cache to avoid getpeername() on a dead connection */
+	if (port == -1)
+		port = get_port(0);
+
+	return port;
 }
 
 int
-- 
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