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djm@openbsd.orgdbee4112017-09-12 06:32:07 +00001/* $OpenBSD: session.h,v 1.35 2017/09/12 06:32:07 djm Exp $ */
Ben Lindstrom36579d32001-01-29 07:39:26 +00002
Damien Millere4340be2000-09-16 13:29:08 +11003/*
Ben Lindstrom44697232001-07-04 03:32:30 +00004 * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
Damien Millere4340be2000-09-16 13:29:08 +11005 *
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 */
Damien Millerb38eff82000-04-01 11:09:21 +100026#ifndef SESSION_H
27#define SESSION_H
28
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000029#define TTYSZ 64
30typedef struct Session Session;
31struct Session {
32 int used;
33 int self;
Damien Miller7207f642008-05-19 15:34:50 +100034 int next_unused;
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000035 struct passwd *pw;
36 Authctxt *authctxt;
37 pid_t pid;
Damien Miller1345e612006-03-26 00:06:32 +110038
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000039 /* tty */
40 char *term;
41 int ptyfd, ttyfd, ptymaster;
Ben Lindstroma9d2c892002-06-23 21:48:28 +000042 u_int row, col, xpixel, ypixel;
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000043 char tty[TTYSZ];
Damien Miller1345e612006-03-26 00:06:32 +110044
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000045 /* X11 */
Ben Lindstroma9d2c892002-06-23 21:48:28 +000046 u_int display_number;
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000047 char *display;
Ben Lindstroma9d2c892002-06-23 21:48:28 +000048 u_int screen;
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000049 char *auth_display;
50 char *auth_proto;
51 char *auth_data;
52 int single_connection;
Damien Miller1345e612006-03-26 00:06:32 +110053
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000054 int chanid;
Damien Miller2b9b0452005-07-17 17:19:24 +100055 int *x11_chanids;
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000056 int is_subsystem;
Damien Miller71df7522013-10-15 12:12:02 +110057 char *subsys;
Damien Millereccb9de2005-06-17 12:59:34 +100058 u_int num_env;
Darren Tucker46bc0752004-05-02 22:11:30 +100059 struct {
60 char *name;
61 char *val;
Damien Miller1345e612006-03-26 00:06:32 +110062 } *env;
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000063};
64
djm@openbsd.orgdbee4112017-09-12 06:32:07 +000065void do_authenticated(struct ssh *, Authctxt *);
66void do_cleanup(struct ssh *, Authctxt *);
Damien Millerb38eff82000-04-01 11:09:21 +100067
Ben Lindstroma962c2f2002-07-04 00:14:17 +000068int session_open(Authctxt *, int);
Damien Miller7207f642008-05-19 15:34:50 +100069void session_unused(int);
djm@openbsd.orgdbee4112017-09-12 06:32:07 +000070int session_input_channel_req(struct ssh *, Channel *, const char *);
71void session_close_by_pid(struct ssh *ssh, pid_t, int);
72void session_close_by_channel(struct ssh *, int, void *);
73void session_destroy_all(struct ssh *, void (*)(Session *));
Darren Tucker3e33cec2003-10-02 16:12:36 +100074void session_pty_cleanup2(Session *);
Damien Millerefb4afe2000-04-12 18:45:05 +100075
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000076Session *session_new(void);
77Session *session_by_tty(char *);
djm@openbsd.orgdbee4112017-09-12 06:32:07 +000078void session_close(struct ssh *, Session *);
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000079void do_setusercontext(struct passwd *);
Darren Tucker0efd1552003-08-26 11:49:55 +100080
djm@openbsd.org95767262016-03-07 19:02:43 +000081const char *session_get_remote_name_or_ip(struct ssh *, u_int, int);
82
Damien Millerb38eff82000-04-01 11:09:21 +100083#endif