session.h revision 137019 
1137019Sdes/*	$OpenBSD: session.h,v 1.23 2004/07/17 05:31:41 dtucker Exp $	*/
276259Sgreen
365668Skris/*
492555Sdes * Copyright (c) 2000, 2001 Markus Friedl.  All rights reserved.
565668Skris *
665668Skris * Redistribution and use in source and binary forms, with or without
765668Skris * modification, are permitted provided that the following conditions
865668Skris * are met:
965668Skris * 1. Redistributions of source code must retain the above copyright
1065668Skris *    notice, this list of conditions and the following disclaimer.
1165668Skris * 2. Redistributions in binary form must reproduce the above copyright
1265668Skris *    notice, this list of conditions and the following disclaimer in the
1365668Skris *    documentation and/or other materials provided with the distribution.
1465668Skris *
1565668Skris * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
1665668Skris * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
1765668Skris * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
1865668Skris * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
1965668Skris * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
2065668Skris * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2165668Skris * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2265668Skris * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2365668Skris * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
2465668Skris * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2565668Skris */
2660573Skris#ifndef SESSION_H
2760573Skris#define SESSION_H
2860573Skris
2998675Sdes#define TTYSZ 64
3098675Sdestypedef struct Session Session;
3198675Sdesstruct Session {
3298675Sdes	int	used;
3398675Sdes	int	self;
3498675Sdes	struct passwd *pw;
3598675Sdes	Authctxt *authctxt;
3698675Sdes	pid_t	pid;
3798675Sdes	/* tty */
3898675Sdes	char	*term;
3998675Sdes	int	ptyfd, ttyfd, ptymaster;
4099063Sdes	u_int	row, col, xpixel, ypixel;
4198675Sdes	char	tty[TTYSZ];
4298675Sdes	/* X11 */
4399063Sdes	u_int	display_number;
4498675Sdes	char	*display;
4599063Sdes	u_int	screen;
4698675Sdes	char	*auth_display;
4798675Sdes	char	*auth_proto;
4898675Sdes	char	*auth_data;
4998675Sdes	int	single_connection;
5098675Sdes	/* proto 2 */
5198675Sdes	int	chanid;
5298675Sdes	int	is_subsystem;
53137019Sdes	int	num_env;
54137019Sdes	struct {
55137019Sdes		char	*name;
56137019Sdes		char	*val;
57137019Sdes	}	*env;
5898675Sdes};
5998675Sdes
6092555Sdesvoid	 do_authenticated(Authctxt *);
61126277Sdesvoid	 do_cleanup(Authctxt *);
6260573Skris
63106130Sdesint	 session_open(Authctxt *, int);
6492555Sdesint	 session_input_channel_req(Channel *, const char *);
6592555Sdesvoid	 session_close_by_pid(pid_t, int);
6692555Sdesvoid	 session_close_by_channel(int, void *);
6798675Sdesvoid	 session_destroy_all(void (*)(Session *));
68126277Sdesvoid	 session_pty_cleanup2(Session *);
6960573Skris
7098675SdesSession	*session_new(void);
7198675SdesSession	*session_by_tty(char *);
7298675Sdesvoid	 session_close(Session *);
7398941Sdesvoid	 do_setusercontext(struct passwd *);
74124211Sdesvoid	 child_set_env(char ***envp, u_int *envsizep, const char *name,
75124211Sdes		       const char *value);
76124211Sdes
7760573Skris#endif
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