- djm@cvs.openbsd.org 2013/10/10 01:43:03

[sshd.c]
     bz#2139: fix re-exec fallback by ensuring that startup_pipe is correctly
     updated; ok dtucker@
This commit is contained in:
Damien Miller 2013-10-15 11:56:47 +11:00
parent 73600e51af
commit 61ee4d68ca
2 changed files with 9 additions and 6 deletions

View File

@ -9,6 +9,10 @@
- djm@cvs.openbsd.org 2013/10/10 00:53:25
[sftp-server.c]
add -Q, -P and -p to usage() before jmc@ catches me
- djm@cvs.openbsd.org 2013/10/10 01:43:03
[sshd.c]
bz#2139: fix re-exec fallback by ensuring that startup_pipe is correctly
updated; ok dtucker@
20131010
- (dtucker) OpenBSD CVS Sync

11
sshd.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: sshd.c,v 1.406 2013/09/02 22:00:34 deraadt Exp $ */
/* $OpenBSD: sshd.c,v 1.407 2013/10/10 01:43:03 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -1940,13 +1940,14 @@ main(int ac, char **av)
dup2(STDIN_FILENO, STDOUT_FILENO);
if (startup_pipe == -1)
close(REEXEC_STARTUP_PIPE_FD);
else
else if (startup_pipe != REEXEC_STARTUP_PIPE_FD) {
dup2(startup_pipe, REEXEC_STARTUP_PIPE_FD);
close(startup_pipe);
startup_pipe = REEXEC_STARTUP_PIPE_FD;
}
dup2(config_s[1], REEXEC_CONFIG_PASS_FD);
close(config_s[1]);
if (startup_pipe != -1)
close(startup_pipe);
execv(rexec_argv[0], rexec_argv);
@ -1957,8 +1958,6 @@ main(int ac, char **av)
options.log_facility, log_stderr);
/* Clean up fds */
startup_pipe = REEXEC_STARTUP_PIPE_FD;
close(config_s[1]);
close(REEXEC_CONFIG_PASS_FD);
newsock = sock_out = sock_in = dup(STDIN_FILENO);
if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) != -1) {