blob: 6f8e701233b1ac334c68a771b4146a56c60f7c01 [file] [log] [blame]
Damien Millerb1cbfa22008-05-19 16:00:08 +10001/* $OpenBSD: clientloop.h,v 1.19 2008/05/09 14:18:44 djm Exp $ */
Ben Lindstrom36579d32001-01-29 07:39:26 +00002
Ben Lindstrombf555ba2001-01-18 02:04:35 +00003/*
Ben Lindstrom226cfa02001-01-22 05:34:40 +00004 * Author: Tatu Ylonen <ylo@cs.hut.fi>
5 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6 * All rights reserved
7 *
8 * As far as I am concerned, the code I have written for this software
9 * can be used freely for any purpose. Any derived versions of this
10 * software must be clearly marked as such, and if the derived work is
11 * incompatible with the protocol description in the RFC file, it must be
12 * called by a name other than "ssh" or "Secure Shell".
13 */
14/*
Ben Lindstrombf555ba2001-01-18 02:04:35 +000015 * Copyright (c) 2001 Markus Friedl. All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
19 * are met:
20 * 1. Redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer.
22 * 2. Redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
27 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
28 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
29 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
30 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
31 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
35 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 */
Ben Lindstrom226cfa02001-01-22 05:34:40 +000037
Damien Miller99bd21e2006-03-15 11:11:28 +110038#include <termios.h>
39
Ben Lindstrom226cfa02001-01-22 05:34:40 +000040/* Client side main loop for the interactive session. */
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000041int client_loop(int, int, int);
Damien Miller17e7ed02005-06-17 12:54:33 +100042void client_x11_get_proto(const char *, const char *, u_int,
43 char **, char **);
Damien Miller509b0102003-12-17 16:33:10 +110044void client_global_request_reply_fwd(int, u_int32_t, void *);
Darren Tuckerfc959702004-07-17 16:12:08 +100045void client_session2_setup(int, int, int, const char *, struct termios *,
Damien Miller5771ed72008-05-19 15:35:33 +100046 int, Buffer *, char **);
Damien Millerb3ce9fe2007-08-08 14:32:41 +100047int client_request_tun_fwd(int, int, int);
Darren Tucker7ebfc102004-11-07 20:06:19 +110048
Damien Miller13390022005-07-06 09:44:19 +100049/* Multiplexing protocol version */
50#define SSHMUX_VER 1
51
Darren Tucker7ebfc102004-11-07 20:06:19 +110052/* Multiplexing control protocol flags */
53#define SSHMUX_COMMAND_OPEN 1 /* Open new connection */
54#define SSHMUX_COMMAND_ALIVE_CHECK 2 /* Check master is alive */
55#define SSHMUX_COMMAND_TERMINATE 3 /* Ask master to exit */
56
57#define SSHMUX_FLAG_TTY (1) /* Request tty on open */
58#define SSHMUX_FLAG_SUBSYS (1<<1) /* Subsystem request on open */
Damien Miller13390022005-07-06 09:44:19 +100059#define SSHMUX_FLAG_X11_FWD (1<<2) /* Request X11 forwarding */
60#define SSHMUX_FLAG_AGENT_FWD (1<<3) /* Request agent forwarding */
Damien Millerb1cbfa22008-05-19 16:00:08 +100061
62/* Multiplexing routines */
63
64struct mux_session_confirm_ctx {
65 int want_tty;
66 int want_subsys;
67 int want_x_fwd;
68 int want_agent_fwd;
69 Buffer cmd;
70 char *term;
71 struct termios tio;
72 char **env;
73};
74
75/* mux.c */
76void muxserver_listen(void);
77int muxserver_accept_control(void);
78void muxclient(const char *);