session.h

   1 /* $OpenBSD: session.h,v 1.29 2006/08/03 03:34:42 deraadt 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
  38         /* tty */
  39         char    *term;
  40         int     ptyfd, ttyfd, ptymaster;
  41         u_int   row, col, xpixel, ypixel;
  42         char    tty[TTYSZ];
  43
  44         /* X11 */
  45         u_int   display_number;
  46         char    *display;
  47         u_int   screen;
  48         char    *auth_display;
  49         char    *auth_proto;
  50         char    *auth_data;
  51         int     single_connection;
  52
  53         /* proto 2 */
  54         int     chanid;
  55         int     *x11_chanids;
  56         int     is_subsystem;
  57         u_int   num_env;
  58         struct {
  59                 char    *name;
  60                 char    *val;
  61         } *env;
  62 };
  63
  64 void     do_authenticated(Authctxt *);
  65 void     do_cleanup(Authctxt *);
  66
  67 int      session_open(Authctxt *, int);
  68 int      session_input_channel_req(Channel *, const char *);
  69 void     session_close_by_pid(pid_t, int);
  70 void     session_close_by_channel(int, void *);
  71 void     session_destroy_all(void (*)(Session *));
  72 void     session_pty_cleanup2(Session *);
  73
  74 Session *session_new(void);
  75 Session *session_by_tty(char *);
  76 void     session_close(Session *);
  77 void     do_setusercontext(struct passwd *);
  78 void     child_set_env(char ***envp, u_int *envsizep, const char *name,
  79                        const char *value);
  80
  81 #endif