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