session.h

   1 /* $OpenBSD: session.h,v 1.28 2006/07/06 16:03:53 stevesk 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 #include <sys/types.h>
  30
  31 #include <pwd.h>
  32
  33 #define TTYSZ 64
  34 typedef struct Session Session;
  35 struct Session {
  36         int     used;
  37         int     self;
  38         struct passwd *pw;
  39         Authctxt *authctxt;
  40         pid_t   pid;
  41
  42         /* tty */
  43         char    *term;
  44         int     ptyfd, ttyfd, ptymaster;
  45         u_int   row, col, xpixel, ypixel;
  46         char    tty[TTYSZ];
  47
  48         /* X11 */
  49         u_int   display_number;
  50         char    *display;
  51         u_int   screen;
  52         char    *auth_display;
  53         char    *auth_proto;
  54         char    *auth_data;
  55         int     single_connection;
  56
  57         /* proto 2 */
  58         int     chanid;
  59         int     *x11_chanids;
  60         int     is_subsystem;
  61         u_int   num_env;
  62         struct {
  63                 char    *name;
  64                 char    *val;
  65         } *env;
  66 };
  67
  68 void     do_authenticated(Authctxt *);
  69 void     do_cleanup(Authctxt *);
  70
  71 int      session_open(Authctxt *, int);
  72 int      session_input_channel_req(Channel *, const char *);
  73 void     session_close_by_pid(pid_t, int);
  74 void     session_close_by_channel(int, void *);
  75 void     session_destroy_all(void (*)(Session *));
  76 void     session_pty_cleanup2(Session *);
  77
  78 Session *session_new(void);
  79 Session *session_by_tty(char *);
  80 void     session_close(Session *);
  81 void     do_setusercontext(struct passwd *);
  82 void     child_set_env(char ***envp, u_int *envsizep, const char *name,
  83                        const char *value);
  84
  85 #endif