xref: /openbsd/usr.bin/ssh/session.h (revision 6d13e39a)
1*6d13e39aSdjm /* $OpenBSD: session.h,v 1.30 2008/05/08 12:21:16 djm Exp $ */
2d4e7c603Sniklas 
3607fba6cSderaadt /*
4a4d26d98Smarkus  * Copyright (c) 2000, 2001 Markus Friedl.  All rights reserved.
5607fba6cSderaadt  *
6607fba6cSderaadt  * Redistribution and use in source and binary forms, with or without
7607fba6cSderaadt  * modification, are permitted provided that the following conditions
8607fba6cSderaadt  * are met:
9607fba6cSderaadt  * 1. Redistributions of source code must retain the above copyright
10607fba6cSderaadt  *    notice, this list of conditions and the following disclaimer.
11607fba6cSderaadt  * 2. Redistributions in binary form must reproduce the above copyright
12607fba6cSderaadt  *    notice, this list of conditions and the following disclaimer in the
13607fba6cSderaadt  *    documentation and/or other materials provided with the distribution.
14607fba6cSderaadt  *
15607fba6cSderaadt  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16607fba6cSderaadt  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17607fba6cSderaadt  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18607fba6cSderaadt  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19607fba6cSderaadt  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20607fba6cSderaadt  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21607fba6cSderaadt  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22607fba6cSderaadt  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23607fba6cSderaadt  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24607fba6cSderaadt  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25607fba6cSderaadt  */
26133a7928Smarkus #ifndef SESSION_H
27133a7928Smarkus #define SESSION_H
28133a7928Smarkus 
2950c32c83Sprovos #define TTYSZ 64
3050c32c83Sprovos typedef struct Session Session;
3150c32c83Sprovos struct Session {
3250c32c83Sprovos 	int	used;
3350c32c83Sprovos 	int	self;
34*6d13e39aSdjm 	int	next_unused;
3550c32c83Sprovos 	struct passwd *pw;
3650c32c83Sprovos 	Authctxt *authctxt;
3750c32c83Sprovos 	pid_t	pid;
38c64ced71Sderaadt 
3950c32c83Sprovos 	/* tty */
4050c32c83Sprovos 	char	*term;
4150c32c83Sprovos 	int	ptyfd, ttyfd, ptymaster;
426c28c6bcSderaadt 	u_int	row, col, xpixel, ypixel;
4350c32c83Sprovos 	char	tty[TTYSZ];
44c64ced71Sderaadt 
4550c32c83Sprovos 	/* X11 */
466c28c6bcSderaadt 	u_int	display_number;
4750c32c83Sprovos 	char	*display;
486c28c6bcSderaadt 	u_int	screen;
4950c32c83Sprovos 	char	*auth_display;
5050c32c83Sprovos 	char	*auth_proto;
5150c32c83Sprovos 	char	*auth_data;
5250c32c83Sprovos 	int	single_connection;
53c64ced71Sderaadt 
5450c32c83Sprovos 	/* proto 2 */
5550c32c83Sprovos 	int	chanid;
566aa873e0Sdjm 	int	*x11_chanids;
5750c32c83Sprovos 	int	is_subsystem;
58d7d07780Sdjm 	u_int	num_env;
59e6440d8dSdjm 	struct {
60e6440d8dSdjm 		char	*name;
61e6440d8dSdjm 		char	*val;
62e6440d8dSdjm 	} *env;
6350c32c83Sprovos };
6450c32c83Sprovos 
6508d1172dSitojun void	 do_authenticated(Authctxt *);
66b8b8936dSmarkus void	 do_cleanup(Authctxt *);
67133a7928Smarkus 
681b9280a0Smarkus int	 session_open(Authctxt *, int);
69*6d13e39aSdjm void	 session_unused(int);
70e07b5efdSmarkus int	 session_input_channel_req(Channel *, const char *);
7108d1172dSitojun void	 session_close_by_pid(pid_t, int);
7208d1172dSitojun void	 session_close_by_channel(int, void *);
7350c32c83Sprovos void	 session_destroy_all(void (*)(Session *));
74b8b8936dSmarkus void	 session_pty_cleanup2(Session *);
754f9037ccSmarkus 
7650c32c83Sprovos Session	*session_new(void);
7750c32c83Sprovos Session	*session_by_tty(char *);
7850c32c83Sprovos void	 session_close(Session *);
7950c32c83Sprovos void	 do_setusercontext(struct passwd *);
80c9017d5dSmarkus void	 child_set_env(char ***envp, u_int *envsizep, const char *name,
81c9017d5dSmarkus 		       const char *value);
82c9017d5dSmarkus 
83133a7928Smarkus #endif
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