1 /*-
2  * Copyright © 2013
3  *	Thorsten “mirabilos” Glaser <tg@mirbsd.org>
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  *	$MirOS: src/usr.sbin/ppp/ppp/prompt.h,v 1.2 2013/10/31 20:07:30 tg Exp $
29  *	$OpenBSD: prompt.h,v 1.6 2005/07/17 19:13:25 brad Exp $
30  */
31 
32 #define LOCAL_AUTH	0x01
33 #define LOCAL_NO_AUTH	0x02
34 #define LOCAL_DENY	0x03
35 #define LOCAL_CX	0x04	/* OR'd value - require a context */
36 #define LOCAL_CX_OPT	0x08	/* OR'd value - optional context */
37 
38 struct server;
39 struct datalink;
40 struct bundle;
41 struct cmdargs;
42 
43 struct prompt {
44   struct fdescriptor desc;
45   int fd_in, fd_out;
46   struct datalink *TermMode;	/* The modem we're talking directly to */
47   FILE *Term;			/* sits on top of fd_out */
48   u_char auth;			/* Local Authorized status */
49   struct server *owner;         /* who created me */
50   struct bundle *bundle;	/* who I'm controlling */
51   unsigned nonewline : 1;	/* need a newline before our prompt ? */
52   unsigned needprompt : 1;	/* Show a prompt at the next UpdateSet() */
53   unsigned active : 1;		/* Is the prompt active (^Z) */
54   unsigned readtilde : 1;	/* We've read a ``~'' from fd_in */
55 
56   struct {
57     const char *type;		/* Type of connection */
58     char from[40];		/* Source of connection */
59   } src;
60 
61   struct prompt *next;		/* Maintained in log.c */
62   u_long logmask;		/* Maintained in log.c */
63 
64   struct termios oldtio;	/* Original tty mode */
65   struct termios comtio;	/* Command level tty mode */
66 };
67 
68 #define descriptor2prompt(d) \
69   ((d)->type == PROMPT_DESCRIPTOR ? (struct prompt *)(d) : NULL)
70 
71 #define PROMPT_STD (-1)
72 extern struct prompt *prompt_Create(struct server *, struct bundle *, int);
73 extern void prompt_Destroy(struct prompt *, int);
74 extern void prompt_Required(struct prompt *);
75 #ifdef __GNUC__
76 extern void prompt_Printf(struct prompt *, const char *, ...)
77                           __attribute__((__format__(__printf__, 2, 3)));
78 #else
79 extern void prompt_Printf(struct prompt *, const char *, ...);
80 #endif
81 #ifdef __GNUC__
82 extern void prompt_vPrintf(struct prompt *, const char *, va_list)
83 			   __attribute__((__format__(__printf__, 2, 0)));
84 #else
85 extern void prompt_vPrintf(struct prompt *, const char *, va_list);
86 #endif
87 #define PROMPT_DONT_WANT_INT 1
88 #define PROMPT_WANT_INT 0
89 extern void prompt_TtyInit(struct prompt *);
90 extern void prompt_TtyCommandMode(struct prompt *);
91 extern void prompt_TtyTermMode(struct prompt *, struct datalink *);
92 extern void prompt_TtyOldMode(struct prompt *);
93 extern pid_t prompt_pgrp(struct prompt *);
94 extern int PasswdCommand(struct cmdargs const *);
95 extern void prompt_Suspend(struct prompt *);
96 extern void prompt_Continue(struct prompt *);
97 #define prompt_IsTermMode(p, dl) ((p)->TermMode == (dl) ? 1 : 0)
98 #define prompt_IsController(p) (!(p) || (p)->owner ? 0 : 1)
99 #define prompt_Required(p) ((p)->needprompt = 1)
100