diff options
| -rw-r--r-- | log.c | 4 | ||||
| -rw-r--r-- | ssh.c | 8 |
2 files changed, 7 insertions, 5 deletions
@@ -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 */ @@ -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); |