xref: /freebsd/crypto/openssh/session.h (revision 6af83ee0d2941d18880b6aaa2b4facd1d30c6106)
1 /*	$OpenBSD: session.h,v 1.23 2004/07/17 05:31:41 dtucker 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
30 typedef struct Session Session;
31 struct Session {
32 	int	used;
33 	int	self;
34 	struct passwd *pw;
35 	Authctxt *authctxt;
36 	pid_t	pid;
37 	/* tty */
38 	char	*term;
39 	int	ptyfd, ttyfd, ptymaster;
40 	u_int	row, col, xpixel, ypixel;
41 	char	tty[TTYSZ];
42 	/* X11 */
43 	u_int	display_number;
44 	char	*display;
45 	u_int	screen;
46 	char	*auth_display;
47 	char	*auth_proto;
48 	char	*auth_data;
49 	int	single_connection;
50 	/* proto 2 */
51 	int	chanid;
52 	int	is_subsystem;
53 	int	num_env;
54 	struct {
55 		char	*name;
56 		char	*val;
57 	}	*env;
58 };
59 
60 void	 do_authenticated(Authctxt *);
61 void	 do_cleanup(Authctxt *);
62 
63 int	 session_open(Authctxt *, int);
64 int	 session_input_channel_req(Channel *, const char *);
65 void	 session_close_by_pid(pid_t, int);
66 void	 session_close_by_channel(int, void *);
67 void	 session_destroy_all(void (*)(Session *));
68 void	 session_pty_cleanup2(Session *);
69 
70 Session	*session_new(void);
71 Session	*session_by_tty(char *);
72 void	 session_close(Session *);
73 void	 do_setusercontext(struct passwd *);
74 void	 child_set_env(char ***envp, u_int *envsizep, const char *name,
75 		       const char *value);
76 
77 #endif
78