clientloop.h revision 162852
1/* $OpenBSD: clientloop.h,v 1.16 2006/03/25 22:22:42 djm Exp $ */
2
3/*
4 * 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/*
15 * 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 */
37
38#include <termios.h>
39
40/* Client side main loop for the interactive session. */
41int	 client_loop(int, int, int);
42void	 client_x11_get_proto(const char *, const char *, u_int,
43	    char **, char **);
44void	 client_global_request_reply_fwd(int, u_int32_t, void *);
45void	 client_session2_setup(int, int, int, const char *, struct termios *,
46	    int, Buffer *, char **, dispatch_fn *);
47
48/* Multiplexing protocol version */
49#define SSHMUX_VER			1
50
51/* Multiplexing control protocol flags */
52#define SSHMUX_COMMAND_OPEN		1	/* Open new connection */
53#define SSHMUX_COMMAND_ALIVE_CHECK	2	/* Check master is alive */
54#define SSHMUX_COMMAND_TERMINATE	3	/* Ask master to exit */
55
56#define SSHMUX_FLAG_TTY			(1)	/* Request tty on open */
57#define SSHMUX_FLAG_SUBSYS		(1<<1)	/* Subsystem request on open */
58#define SSHMUX_FLAG_X11_FWD		(1<<2)	/* Request X11 forwarding */
59#define SSHMUX_FLAG_AGENT_FWD		(1<<3)	/* Request agent forwarding */
60