2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)ext.h 8.2 (Berkeley) 12/15/93
34 * $FreeBSD: src/libexec/telnetd/ext.h,v 1.7.2.4 2002/04/13 11:07:12 markm Exp $
38 * Telnet server variable declarations
40 extern char options[256];
41 extern char do_dont_resp[256];
42 extern char will_wont_resp[256];
43 extern int linemode; /* linemode on/off */
45 extern int uselinemode; /* what linemode to use (on/off) */
46 extern int editmode; /* edit modes in use */
47 extern int useeditmode; /* edit modes to use */
48 extern int alwayslinemode; /* command line option */
49 extern int lmodetype; /* Client support for linemode */
51 extern int flowmode; /* current flow control state */
52 extern int restartany; /* restart output on any character state */
54 extern int diagnostic; /* telnet diagnostic capabilities */
55 #endif /* DIAGNOSTICS */
57 extern int bftpd; /* behave as bftp daemon */
58 #endif /* BFTPDAEMON */
60 extern slcfun slctab[NSLC + 1]; /* slc mapping table */
65 * I/O data buffers, pointers, and counters.
67 extern char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
69 extern char netibuf[BUFSIZ], *netip;
71 extern char netobuf[BUFSIZ], *nfrontp, *nbackp;
72 extern char *neturg; /* one past last bye of urgent data */
78 extern int SYNCHing; /* we are in TELNET SYNCH mode */
82 add_slc(char, char, cc_t),
84 change_slc(char, char, cc_t),
86 clientstat(int, int, int),
87 copy_termbuf(char *, size_t),
90 do_opt_slc(unsigned char *, int),
94 edithost(char *, char *),
95 fatal(int, const char *),
96 fatalperror(int, const char *),
97 get_slc_defaults(void),
106 printoption(const char *, int),
107 printdata(const char *, char *, int),
108 printsub(char, unsigned char *, int),
110 process_slc(unsigned char, unsigned char, cc_t),
113 putf(char *, char *),
124 start_login(char *, int, char *),
126 start_slave(char *, int, char *),
134 end_slc(unsigned char **),
140 spcset(int, cc_t *, cc_t **),
145 tty_restartany(void),
146 tty_isbinaryin(void),
147 tty_isbinaryout(void),
162 tty_setlinemode(int),
170 int output_data(const char *, ...) __printflike(1, 2);
171 void output_datalen(const char *, int);
172 void startslave(char *, int, char *);
177 * The following are some clocks used to decide how to interpret
178 * the relationship between various variables.
183 system, /* what the current time is */
184 echotoggle, /* last time user entered echo character */
185 modenegotiated, /* last time operating mode negotiated */
186 didnetreceive, /* last time we read data from network */
187 ttypesubopt, /* ttype subopt is received */
188 tspeedsubopt, /* tspeed subopt is received */
189 environsubopt, /* environ subopt is received */
190 oenvironsubopt, /* old environ subopt is received */
191 xdisplocsubopt, /* xdisploc subopt is received */
192 baseline, /* time started to do timed action */
193 gotDM; /* when did we last see a data mark */
198 # define DEFAULT_IM "\r\n\r\nULTRIX (%h) (%t)\r\n\r\r\n\r"
201 # define DEFAULT_IM "\r\n\r\nFreeBSD (%h) (%t)\r\n\r\r\n\r"
203 # define DEFAULT_IM "\r\n\r\n4.4 BSD UNIX (%h) (%t)\r\n\r\r\n\r"