1 /* $NetBSD: session.h,v 1.10 2023/07/26 17:58:15 christos Exp $ */ 2 /* $OpenBSD: session.h,v 1.37 2023/01/06 02:39:59 djm Exp $ */ 3 4 /* 5 * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #ifndef SESSION_H 28 #define SESSION_H 29 30 #include <tzfile.h> 31 32 #define TTYSZ 64 33 typedef struct Session Session; 34 struct Session { 35 int used; 36 int self; 37 int next_unused; 38 struct passwd *pw; 39 Authctxt *authctxt; 40 pid_t pid; 41 int forced; 42 43 /* tty */ 44 char *term; 45 int ptyfd, ttyfd, ptymaster; 46 u_int row, col, xpixel, ypixel; 47 char tty[TTYSZ]; 48 49 /* X11 */ 50 u_int display_number; 51 char *display; 52 u_int screen; 53 char *auth_display; 54 char *auth_proto; 55 char *auth_data; 56 int single_connection; 57 58 int chanid; 59 int *x11_chanids; 60 int is_subsystem; 61 char *subsys; 62 u_int num_env; 63 struct { 64 char *name; 65 char *val; 66 } *env; 67 }; 68 69 void do_authenticated(struct ssh *, Authctxt *); 70 void do_cleanup(struct ssh *, Authctxt *); 71 72 int session_open(Authctxt *, int); 73 void session_unused(int); 74 int session_input_channel_req(struct ssh *, Channel *, const char *); 75 void session_close_by_pid(struct ssh *ssh, pid_t, int); 76 void session_close_by_channel(struct ssh *, int, int, void *); 77 void session_destroy_all(struct ssh *, void (*)(Session *)); 78 void session_pty_cleanup2(Session *); 79 80 Session *session_new(void); 81 Session *session_by_tty(char *); 82 void session_close(struct ssh *, Session *); 83 void do_setusercontext(struct passwd *); 84 85 const char *session_get_remote_name_or_ip(struct ssh *, u_int, int); 86 87 #endif 88