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upstream: when redirecting sshd's log output to a file, undo this

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redirection after the session child process is forked(); ok dtucker@

OpenBSD-Commit-ID: 6df86dd653c91f5bc8ac1916e7680d9d24690865
This commit is contained in:
djm@openbsd.org 2020-07-03 06:46:41 +00:00 committed by Damien Miller
parent 183c4aaef9
commit c8935081db
2 changed files with 13 additions and 2 deletions
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10
log.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: log.c,v 1.51 2018/07/27 12:03:17 markus Exp $ */
/* $OpenBSD: log.c,v 1.52 2020/07/03 06:46:41 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -370,6 +370,14 @@ log_redirect_stderr_to(const char *logfile)
{
int fd;
if (logfile == NULL) {
if (log_stderr_fd != STDERR_FILENO) {
close(log_stderr_fd);
log_stderr_fd = STDERR_FILENO;
}
return;
}
if ((fd = open(logfile, O_WRONLY|O_CREAT|O_APPEND, 0600)) == -1) {
fprintf(stderr, "Couldn't open logfile %s: %s\n", logfile,
strerror(errno));

5
session.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: session.c,v 1.320 2020/06/26 04:45:11 dtucker Exp $ */
/* $OpenBSD: session.c,v 1.321 2020/07/03 06:46:41 djm Exp $ */
/*
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
@ -1501,6 +1501,9 @@ child_close_fds(struct ssh *ssh)
*/
endpwent();
/* Stop directing logs to a high-numbered fd before we close it */
log_redirect_stderr_to(NULL);
/*
* Close any extra open file descriptors so that we don't have them
* hanging around in clients. Note that we want to do this after