From 5e46354d86475ecc12b21e3df9ab015245d6c24d Mon Sep 17 00:00:00 2001 From: dtucker Date: Sat, 9 Jan 2010 11:28:43 +0000 Subject: [PATCH] - dtucker@cvs.openbsd.org 2010/01/09 11:17:56 [sshd.c] Afer sshd receives a SIGHUP, ignore subsequent HUPs while sshd re-execs itself. Prevents two HUPs in quick succession from resulting in sshd dying. bz#1692, patch from Colin Watson via Ubuntu. --- ChangeLog | 5 +++++ sshd.c | 3 ++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index 094d1bec..47cb97af 100644 --- a/ChangeLog +++ b/ChangeLog @@ -28,6 +28,11 @@ Prevent sftp from derefing a null pointer when given a "-" without a command. Also, allow whitespace to follow a "-". bz#1691, path from Colin Watson via Debian. ok djm@ deraadt@ + - dtucker@cvs.openbsd.org 2010/01/09 11:17:56 + [sshd.c] + Afer sshd receives a SIGHUP, ignore subsequent HUPs while sshd re-execs + itself. Prevents two HUPs in quick succession from resulting in sshd + dying. bz#1692, patch from Colin Watson via Ubuntu. 20091208 - (dtucker) OpenBSD CVS Sync diff --git a/sshd.c b/sshd.c index e23d462e..bdaf1574 100644 --- a/sshd.c +++ b/sshd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sshd.c,v 1.368 2009/10/28 16:38:18 reyk Exp $ */ +/* $OpenBSD: sshd.c,v 1.369 2010/01/09 11:17:56 dtucker Exp $ */ /* * Author: Tatu Ylonen * Copyright (c) 1995 Tatu Ylonen , Espoo, Finland @@ -309,6 +309,7 @@ sighup_restart(void) close_listen_socks(); close_startup_pipes(); alarm(0); /* alarm timer persists across exec */ + signal(SIGHUP, SIG_IGN); /* will be restored after exec */ execv(saved_argv[0], saved_argv); logit("RESTART FAILED: av[0]='%.100s', error: %.100s.", saved_argv[0], strerror(errno)); -- 2.11.4.GIT