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upstream: close stdin when forking after authentication too; ok markus

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OpenBSD-Commit-ID: 43db17e4abc3e6b4a7b033aa8cdab326a7cb6c24
This commit is contained in:
djm@openbsd.org 2020-09-21 07:29:09 +00:00 committed by Damien Miller
parent d14fe25e6c
commit 0a4a5571ad
1 changed files with 3 additions and 2 deletions
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ssh.c
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@ -1,4 +1,4 @@
/* $OpenBSD: ssh.c,v 1.535 2020/09/20 23:31:46 djm Exp $ */ /* $OpenBSD: ssh.c,v 1.536 2020/09/21 07:29:09 djm Exp $ */
/* /*
* Author: Tatu Ylonen <ylo@cs.hut.fi> * Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -1758,7 +1758,8 @@ fork_postauth(void)
_PATH_DEVNULL, strerror(errno)); _PATH_DEVNULL, strerror(errno));
else { else {
keep_stderr = log_is_on_stderr() && debug_flag; keep_stderr = log_is_on_stderr() && debug_flag;
if (dup2(devnull, STDOUT_FILENO) == -1 || if (dup2(devnull, STDIN_FILENO) == -1 ||
dup2(devnull, STDOUT_FILENO) == -1 ||
(!keep_stderr && dup2(devnull, STDOUT_FILENO) == -1)) (!keep_stderr && dup2(devnull, STDOUT_FILENO) == -1))
fatal("%s: dup2() stdio failed", __func__); fatal("%s: dup2() stdio failed", __func__);
if (devnull > STDERR_FILENO) if (devnull > STDERR_FILENO)