1 /* $OpenBSD: session.h,v 1.32 2016/03/07 19:02:43 djm 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 int next_unused; 35 struct passwd *pw; 36 Authctxt *authctxt; 37 pid_t pid; 38 39 /* tty */ 40 char *term; 41 int ptyfd, ttyfd, ptymaster; 42 u_int row, col, xpixel, ypixel; 43 char tty[TTYSZ]; 44 45 /* X11 */ 46 u_int display_number; 47 char *display; 48 u_int screen; 49 char *auth_display; 50 char *auth_proto; 51 char *auth_data; 52 int single_connection; 53 54 /* proto 2 */ 55 int chanid; 56 int *x11_chanids; 57 int is_subsystem; 58 char *subsys; 59 u_int num_env; 60 struct { 61 char *name; 62 char *val; 63 } *env; 64 }; 65 66 void do_authenticated(Authctxt *); 67 void do_cleanup(Authctxt *); 68 69 int session_open(Authctxt *, int); 70 void session_unused(int); 71 int session_input_channel_req(Channel *, const char *); 72 void session_close_by_pid(pid_t, int); 73 void session_close_by_channel(int, void *); 74 void session_destroy_all(void (*)(Session *)); 75 void session_pty_cleanup2(Session *); 76 77 Session *session_new(void); 78 Session *session_by_tty(char *); 79 void session_close(Session *); 80 void do_setusercontext(struct passwd *); 81 void child_set_env(char ***envp, u_int *envsizep, const char *name, 82 const char *value); 83 84 const char *session_get_remote_name_or_ip(struct ssh *, u_int, int); 85 86 #endif 87