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- markus@cvs.openbsd.org 2002/01/05 10:43:40 

[channels.c]
     fix hanging x11 channels for rejected cookies (e.g. XAUTHORITY=/dev/null xbiff)
     bug #36, based on patch from djast@cs.toronto.edu
This commit is contained in:
Damien Miller 2002-01-22 23:19:38 +11:00
parent 7fc2373f17
commit a90fc08b88
2 changed files with 19 additions and 6 deletions
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7
ChangeLog
View File

@ -92,6 +92,11 @@
[servconf.c sshd.8]
protocol 2 HostKey code default is now /etc/ssh_host_rsa_key and
/etc/ssh_host_dsa_key like we have in sshd_config. ok markus@
- markus@cvs.openbsd.org 2002/01/05 10:43:40
[channels.c]
fix hanging x11 channels for rejected cookies (e.g.
XAUTHORITY=/dev/null xbiff) bug #36, based on patch from
djast@cs.toronto.edu
20020121
@ -7240,4 +7245,4 @@
- Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1
$Id: ChangeLog,v 1.1749 2002/01/22 12:19:11 djm Exp $
$Id: ChangeLog,v 1.1750 2002/01/22 12:19:38 djm Exp $

18
channels.c
View File

@ -13,7 +13,7 @@
* called by a name other than "ssh" or "Secure Shell".
*
* SSH2 support added by Markus Friedl.
* Copyright (c) 1999, 2000, 2001 Markus Friedl. All rights reserved.
* Copyright (c) 1999, 2000, 2001, 2002 Markus Friedl. All rights reserved.
* Copyright (c) 1999 Dug Song. All rights reserved.
* Copyright (c) 1999 Theo de Raadt. All rights reserved.
*
@ -39,7 +39,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: channels.c,v 1.155 2001/12/29 21:56:01 stevesk Exp $");
RCSID("$OpenBSD: channels.c,v 1.156 2002/01/05 10:43:40 markus Exp $");
#include "ssh.h"
#include "ssh1.h"
@ -872,9 +872,17 @@ channel_pre_x11_open(Channel *c, fd_set * readset, fd_set * writeset)
else
channel_pre_open_15(c, readset, writeset);
} else if (ret == -1) {
log("X11 connection rejected because of wrong authentication.");
debug("X11 rejected %d i%d/o%d", c->self, c->istate, c->ostate);
chan_read_failed(c); /** force close? */
chan_write_failed(c);
chan_read_failed(c);
buffer_clear(&c->input);
chan_ibuf_empty(c);
buffer_clear(&c->output);
/* for proto v1, the peer will send an IEOF */
if (compat20)
chan_write_failed(c);
else
c->type = SSH_CHANNEL_OPEN;
debug("X11 closed %d i%d/o%d", c->self, c->istate, c->ostate);
}
}
@ -1807,7 +1815,7 @@ channel_input_ieof(int type, u_int32_t seq, void *ctxt)
chan_rcvd_ieof(c);
/* XXX force input close */
if (c->force_drain) {
if (c->force_drain && c->istate == CHAN_INPUT_OPEN) {
debug("channel %d: FORCE input drain", c->self);
c->istate = CHAN_INPUT_WAIT_DRAIN;
}