1/*	$NetBSD: session.h,v 1.10 2023/07/26 17:58:15 christos Exp $	*/
2/* $OpenBSD: session.h,v 1.37 2023/01/06 02:39:59 djm Exp $ */
3
4/*
5 * Copyright (c) 2000, 2001 Markus Friedl.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27#ifndef SESSION_H
28#define SESSION_H
29
30#include <tzfile.h>
31
32#define TTYSZ 64
33typedef struct Session Session;
34struct Session {
35	int	used;
36	int	self;
37	int	next_unused;
38	struct passwd *pw;
39	Authctxt *authctxt;
40	pid_t	pid;
41	int	forced;
42
43	/* tty */
44	char	*term;
45	int	ptyfd, ttyfd, ptymaster;
46	u_int	row, col, xpixel, ypixel;
47	char	tty[TTYSZ];
48
49	/* X11 */
50	u_int	display_number;
51	char	*display;
52	u_int	screen;
53	char	*auth_display;
54	char	*auth_proto;
55	char	*auth_data;
56	int	single_connection;
57
58	int	chanid;
59	int	*x11_chanids;
60	int	is_subsystem;
61	char	*subsys;
62	u_int	num_env;
63	struct {
64		char	*name;
65		char	*val;
66	} *env;
67};
68
69void	 do_authenticated(struct ssh *, Authctxt *);
70void	 do_cleanup(struct ssh *, Authctxt *);
71
72int	 session_open(Authctxt *, int);
73void	 session_unused(int);
74int	 session_input_channel_req(struct ssh *, Channel *, const char *);
75void	 session_close_by_pid(struct ssh *ssh, pid_t, int);
76void	 session_close_by_channel(struct ssh *, int, int, void *);
77void	 session_destroy_all(struct ssh *, void (*)(Session *));
78void	 session_pty_cleanup2(Session *);
79
80Session	*session_new(void);
81Session	*session_by_tty(char *);
82void	 session_close(struct ssh *, Session *);
83void	 do_setusercontext(struct passwd *);
84
85const char	*session_get_remote_name_or_ip(struct ssh *, u_int, int);
86
87#endif
88