1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 5 * 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 AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #define LOCAL_AUTH 0x01 32 #define LOCAL_NO_AUTH 0x02 33 #define LOCAL_DENY 0x03 34 #define LOCAL_CX 0x04 /* OR'd value - require a context */ 35 #define LOCAL_CX_OPT 0x08 /* OR'd value - optional context */ 36 37 struct server; 38 struct datalink; 39 struct bundle; 40 struct cmdargs; 41 42 struct prompt { 43 struct fdescriptor desc; 44 int fd_in, fd_out; 45 struct datalink *TermMode; /* The modem we're talking directly to */ 46 FILE *Term; /* sits on top of fd_out */ 47 u_char auth; /* Local Authorized status */ 48 struct server *owner; /* who created me */ 49 struct bundle *bundle; /* who I'm controlling */ 50 unsigned nonewline : 1; /* need a newline before our prompt ? */ 51 unsigned needprompt : 1; /* Show a prompt at the next UpdateSet() */ 52 unsigned active : 1; /* Is the prompt active (^Z) */ 53 unsigned readtilde : 1; /* We've read a ``~'' from fd_in */ 54 55 struct { 56 const char *type; /* Type of connection */ 57 char from[40]; /* Source of connection */ 58 } src; 59 60 struct prompt *next; /* Maintained in log.c */ 61 u_long logmask; /* Maintained in log.c */ 62 63 struct termios oldtio; /* Original tty mode */ 64 struct termios comtio; /* Command level tty mode */ 65 }; 66 67 #define descriptor2prompt(d) \ 68 ((d)->type == PROMPT_DESCRIPTOR ? (struct prompt *)(d) : NULL) 69 70 #define PROMPT_STD (-1) 71 extern struct prompt *prompt_Create(struct server *, struct bundle *, int); 72 extern void prompt_Destroy(struct prompt *, int); 73 extern void prompt_Required(struct prompt *); 74 #ifdef __GNUC__ 75 extern void prompt_Printf(struct prompt *, const char *, ...) 76 __attribute__ ((format (printf, 2, 3))); 77 #else 78 extern void prompt_Printf(struct prompt *, const char *, ...); 79 #endif 80 #ifdef __GNUC__ 81 extern void prompt_vPrintf(struct prompt *, const char *, va_list) 82 __attribute__ ((format (printf, 2, 0))); 83 #else 84 extern void prompt_vPrintf(struct prompt *, const char *, va_list); 85 #endif 86 #define PROMPT_DONT_WANT_INT 1 87 #define PROMPT_WANT_INT 0 88 extern void prompt_TtyInit(struct prompt *); 89 extern void prompt_TtyCommandMode(struct prompt *); 90 extern void prompt_TtyTermMode(struct prompt *, struct datalink *); 91 extern void prompt_TtyOldMode(struct prompt *); 92 extern pid_t prompt_pgrp(struct prompt *); 93 extern int PasswdCommand(struct cmdargs const *); 94 extern void prompt_Suspend(struct prompt *); 95 extern void prompt_Continue(struct prompt *); 96 #define prompt_IsTermMode(p, dl) ((p)->TermMode == (dl) ? 1 : 0) 97 #define prompt_IsController(p) (!(p) || (p)->owner ? 0 : 1) 98 #define prompt_Required(p) ((p)->needprompt = 1) 99