- djm@cvs.openbsd.org 2008/07/02 13:30:34
[auth2.c]
really really remove the freebie "none" auth try for protocol 2
+ - djm@cvs.openbsd.org 2008/07/02 13:47:39
+ [ssh.1 ssh.c]
+ When forking after authentication ("ssh -f") with ExitOnForwardFailure
+ enabled, delay the fork until after replies for any -R forwards have
+ been seen. Allows for robust detection of -R forward failure when
+ using -f (similar to bz#92); ok dtucker@
20080702
- (dtucker) OpenBSD CVS Sync
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.\" $OpenBSD: ssh.1,v 1.276 2008/06/26 21:11:46 jmc Exp $
+.\" $OpenBSD: ssh.1,v 1.277 2008/07/02 13:47:39 djm Exp $
.Dd $Mdocdate$
.Dt SSH 1
.Os
The recommended way to start X11 programs at a remote site is with
something like
.Ic ssh -f host xterm .
+.Pp
+If the
+.Cm ExitOnForwardFailure
+configuration option is set to
+.Dq yes ,
+then a client started with
+.Fl f
+will wait for all remote port forwards to be successfully established
+before placing itself in the background.
.It Fl g
Allows remote hosts to connect to local forwarded ports.
.It Fl I Ar smartcard_device
-/* $OpenBSD: ssh.c,v 1.317 2008/06/12 16:35:31 dtucker Exp $ */
+/* $OpenBSD: ssh.c,v 1.318 2008/07/02 13:47:39 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
logit("Warning: remote port forwarding failed for "
"listen port %d", rfwd->listen_port);
}
- if (++remote_forward_confirms_received == options.num_remote_forwards)
+ if (++remote_forward_confirms_received == options.num_remote_forwards) {
debug("All remote forwarding requests processed");
- /* XXX fork-after-authentication */
+ if (fork_after_authentication_flag) {
+ fork_after_authentication_flag = 0;
+ if (daemon(1, 1) < 0)
+ fatal("daemon() failed: %.200s",
+ strerror(errno));
+ }
+ }
}
static void
options.permit_local_command)
ssh_local_cmd(options.local_command);
- /* If requested, let ssh continue in the background. */
- if (fork_after_authentication_flag)
+ /*
+ * If requested and we are not interested in replies to remote
+ * forwarding requests, then let ssh continue in the background.
+ */
+ if (fork_after_authentication_flag &&
+ (!options.exit_on_forward_failure ||
+ options.num_remote_forwards == 0)) {
+ fork_after_authentication_flag = 0;
if (daemon(1, 1) < 0)
fatal("daemon() failed: %.200s", strerror(errno));
+ }
/*
* If a command was specified on the command line, execute the
muxserver_listen();
/* If requested, let ssh continue in the background. */
- if (fork_after_authentication_flag)
+ if (fork_after_authentication_flag) {
+ fork_after_authentication_flag = 0;
if (daemon(1, 1) < 0)
fatal("daemon() failed: %.200s", strerror(errno));
+ }
return client_loop(tty_flag, tty_flag ?
options.escape_char : SSH_ESCAPECHAR_NONE, id);