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- djm@cvs.openbsd.org 2004/10/29 21:47:15
[channels.c channels.h clientloop.c]
fix some window size change bugs for multiplexed connections: windows sizes
were not being updated if they had changed after ~^Z suspends and SIGWINCH
was not being processed unless the first connection had requested a tty;
ok markus
This commit is contained in:
Darren Tucker
parent
b2694f0e8a
commit
5d78de6283
@ -45,6 +45,12 @@
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- markus@cvs.openbsd.org 2004/10/20 11:48:53
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[packet.c ssh1.h]
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disconnect for invalid (out of range) message types.
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- djm@cvs.openbsd.org 2004/10/29 21:47:15
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[channels.c channels.h clientloop.c]
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fix some window size change bugs for multiplexed connections: windows sizes
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were not being updated if they had changed after ~^Z suspends and SIGWINCH
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was not being processed unless the first connection had requested a tty;
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ok markus
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20041102
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- (dtucker) [configure.ac includes.h] Bug #947: Fix compile error on HP-UX
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@ -1824,4 +1830,4 @@
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- (djm) Trim deprecated options from INSTALL. Mention UsePAM
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- (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
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$Id: ChangeLog,v 1.3574 2004/11/05 09:27:54 dtucker Exp $
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$Id: ChangeLog,v 1.3575 2004/11/05 09:35:44 dtucker Exp $
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@ -39,7 +39,7 @@
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*/
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#include "includes.h"
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RCSID("$OpenBSD: channels.c,v 1.210 2004/08/23 11:48:47 djm Exp $");
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RCSID("$OpenBSD: channels.c,v 1.211 2004/10/29 21:47:15 djm Exp $");
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#include "ssh.h"
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#include "ssh1.h"
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@ -2577,7 +2577,7 @@ channel_send_window_changes(void)
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struct winsize ws;
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for (i = 0; i < channels_alloc; i++) {
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if (channels[i] == NULL ||
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if (channels[i] == NULL || !channels[i]->client_tty ||
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channels[i]->type != SSH_CHANNEL_OPEN)
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continue;
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if (ioctl(channels[i]->rfd, TIOCGWINSZ, &ws) < 0)
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@ -1,4 +1,4 @@
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/* $OpenBSD: channels.h,v 1.74 2004/08/11 21:43:04 avsm Exp $ */
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/* $OpenBSD: channels.h,v 1.75 2004/10/29 21:47:15 djm Exp $ */
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/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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@ -79,6 +79,7 @@ struct Channel {
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int ctl_fd; /* control fd (client sharing) */
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int isatty; /* rfd is a tty */
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int wfd_isatty; /* wfd is a tty */
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int client_tty; /* (client) TTY has been requested */
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int force_drain; /* force close on iEOF */
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int delayed; /* fdset hack */
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Buffer input; /* data read from socket, to be sent over
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27
clientloop.c
27
clientloop.c
@ -59,7 +59,7 @@
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*/
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#include "includes.h"
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RCSID("$OpenBSD: clientloop.c,v 1.131 2004/09/07 23:41:30 djm Exp $");
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RCSID("$OpenBSD: clientloop.c,v 1.132 2004/10/29 21:47:15 djm Exp $");
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#include "ssh.h"
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#include "ssh1.h"
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@ -432,8 +432,6 @@ client_wait_until_can_do_something(fd_set **readsetp, fd_set **writesetp,
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static void
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client_suspend_self(Buffer *bin, Buffer *bout, Buffer *berr)
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{
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struct winsize oldws, newws;
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/* Flush stdout and stderr buffers. */
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if (buffer_len(bout) > 0)
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atomicio(vwrite, fileno(stdout), buffer_ptr(bout), buffer_len(bout));
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@ -450,19 +448,11 @@ client_suspend_self(Buffer *bin, Buffer *bout, Buffer *berr)
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buffer_free(bout);
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buffer_free(berr);
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/* Save old window size. */
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ioctl(fileno(stdin), TIOCGWINSZ, &oldws);
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/* Send the suspend signal to the program itself. */
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kill(getpid(), SIGTSTP);
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/* Check if the window size has changed. */
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if (ioctl(fileno(stdin), TIOCGWINSZ, &newws) >= 0 &&
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(oldws.ws_row != newws.ws_row ||
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oldws.ws_col != newws.ws_col ||
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oldws.ws_xpixel != newws.ws_xpixel ||
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oldws.ws_ypixel != newws.ws_ypixel))
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received_window_change_signal = 1;
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/* Reset window sizes in case they have changed */
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received_window_change_signal = 1;
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/* OK, we have been continued by the user. Reinitialize buffers. */
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buffer_init(bin);
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@ -1204,8 +1194,7 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id)
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signal(SIGQUIT, signal_handler);
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if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
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signal(SIGTERM, signal_handler);
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if (have_pty)
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signal(SIGWINCH, window_change_handler);
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signal(SIGWINCH, window_change_handler);
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if (have_pty)
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enter_raw_mode();
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@ -1313,8 +1302,7 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id)
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/* Terminate the session. */
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/* Stop watching for window change. */
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if (have_pty)
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signal(SIGWINCH, SIG_DFL);
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signal(SIGWINCH, SIG_DFL);
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channel_free_all();
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@ -1681,9 +1669,13 @@ client_session2_setup(int id, int want_tty, int want_subsystem,
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dispatch_fn *subsys_repl)
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{
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int len;
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Channel *c = NULL;
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debug2("%s: id %d", __func__, id);
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if ((c = channel_lookup(id)) == NULL)
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fatal("client_session2_setup: channel %d: unknown channel", id);
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if (want_tty) {
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struct winsize ws;
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struct termios tio;
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@ -1702,6 +1694,7 @@ client_session2_setup(int id, int want_tty, int want_subsystem,
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tty_make_modes(-1, tiop != NULL ? tiop : &tio);
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packet_send();
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/* XXX wait for reply */
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c->client_tty = 1;
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}
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/* Transfer any environment variables from client to server */
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