mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-11-27 14:11:59 +08:00
upstream commit
close ControlPersist background process stderr when not in debug mode or when logging to a file or syslog. bz#1988 ok dtucker Upstream-ID: 4fb726f0fdcb155ad419913cea10dc4afd409d24
This commit is contained in:
parent
9ee692fa11
commit
d2d6bf864e
4
log.c
4
log.c
@ -1,4 +1,4 @@
|
||||
/* $OpenBSD: log.c,v 1.46 2015/07/08 19:04:21 markus Exp $ */
|
||||
/* $OpenBSD: log.c,v 1.47 2016/04/29 08:07:53 djm Exp $ */
|
||||
/*
|
||||
* Author: Tatu Ylonen <ylo@cs.hut.fi>
|
||||
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
|
||||
@ -342,7 +342,7 @@ log_change_level(LogLevel new_log_level)
|
||||
int
|
||||
log_is_on_stderr(void)
|
||||
{
|
||||
return log_on_stderr;
|
||||
return log_on_stderr && log_stderr_fd == STDERR_FILENO;
|
||||
}
|
||||
|
||||
/* redirect what would usually get written to stderr to specified file */
|
||||
|
8
ssh.c
8
ssh.c
@ -1,4 +1,4 @@
|
||||
/* $OpenBSD: ssh.c,v 1.437 2016/03/07 19:02:43 djm Exp $ */
|
||||
/* $OpenBSD: ssh.c,v 1.438 2016/04/29 08:07:53 djm Exp $ */
|
||||
/*
|
||||
* Author: Tatu Ylonen <ylo@cs.hut.fi>
|
||||
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
|
||||
@ -1395,7 +1395,7 @@ static void
|
||||
control_persist_detach(void)
|
||||
{
|
||||
pid_t pid;
|
||||
int devnull;
|
||||
int devnull, keep_stderr;
|
||||
|
||||
debug("%s: backgrounding master process", __func__);
|
||||
|
||||
@ -1426,8 +1426,10 @@ control_persist_detach(void)
|
||||
error("%s: open(\"/dev/null\"): %s", __func__,
|
||||
strerror(errno));
|
||||
} else {
|
||||
keep_stderr = log_is_on_stderr() && debug_flag;
|
||||
if (dup2(devnull, STDIN_FILENO) == -1 ||
|
||||
dup2(devnull, STDOUT_FILENO) == -1)
|
||||
dup2(devnull, STDOUT_FILENO) == -1 ||
|
||||
(!keep_stderr && dup2(devnull, STDERR_FILENO) == -1))
|
||||
error("%s: dup2: %s", __func__, strerror(errno));
|
||||
if (devnull > STDERR_FILENO)
|
||||
close(devnull);
|
||||
|
Loading…
Reference in New Issue
Block a user