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
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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/crypto/telnet/telnetd/ext.h,v 1.2.8.4 2002/04/13 10:59:08 markm Exp $
35 * $DragonFly: src/crypto/telnet/telnetd/ext.h,v 1.2 2003/06/17 04:24:37 dillon Exp $
39 * Telnet server variable declarations
41 extern char options[256];
42 extern char do_dont_resp[256];
43 extern char will_wont_resp[256];
44 extern int linemode; /* linemode on/off */
46 extern int uselinemode; /* what linemode to use (on/off) */
47 extern int editmode; /* edit modes in use */
48 extern int useeditmode; /* edit modes to use */
49 extern int alwayslinemode; /* command line option */
50 extern int lmodetype; /* Client support for linemode */
52 extern int flowmode; /* current flow control state */
53 extern int restartany; /* restart output on any character state */
55 extern int diagnostic; /* telnet diagnostic capabilities */
56 #endif /* DIAGNOSTICS */
58 extern int bftpd; /* behave as bftp daemon */
59 #endif /* BFTPDAEMON */
61 extern int auth_level;
64 extern slcfun slctab[NSLC + 1]; /* slc mapping table */
69 * I/O data buffers, pointers, and counters.
71 extern char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
73 extern char netibuf[BUFSIZ], *netip;
75 extern char netobuf[BUFSIZ], *nfrontp, *nbackp;
76 extern char *neturg; /* one past last bye of urgent data */
82 extern int SYNCHing; /* we are in TELNET SYNCH mode */
86 add_slc(char, char, cc_t),
88 change_slc(char, char, cc_t),
90 clientstat(int, int, int),
91 copy_termbuf(char *, size_t),
94 do_opt_slc(unsigned char *, int),
98 edithost(char *, char *),
99 fatal(int, const char *),
100 fatalperror(int, const char *),
101 get_slc_defaults(void),
110 printoption(const char *, int),
111 printdata(const char *, char *, int),
112 printsub(char, unsigned char *, int),
114 process_slc(unsigned char, unsigned char, cc_t),
117 putf(char *, char *),
128 start_login(char *, int, char *),
130 #ifdef AUTHENTICATION
133 start_slave(char *, int, char *),
142 end_slc(unsigned char **),
148 spcset(int, cc_t *, cc_t **),
153 tty_restartany(void),
154 tty_isbinaryin(void),
155 tty_isbinaryout(void),
170 tty_setlinemode(int),
178 int output_data(const char *, ...) __printflike(1, 2);
179 void output_datalen(const char *, int);
180 void startslave(char *, int, char *);
183 extern void (*encrypt_output)(unsigned char *, int);
184 extern int (*decrypt_input)(int);
185 extern char *nclearto;
186 #endif /* ENCRYPTION */
190 * The following are some clocks used to decide how to interpret
191 * the relationship between various variables.
196 system, /* what the current time is */
197 echotoggle, /* last time user entered echo character */
198 modenegotiated, /* last time operating mode negotiated */
199 didnetreceive, /* last time we read data from network */
200 ttypesubopt, /* ttype subopt is received */
201 tspeedsubopt, /* tspeed subopt is received */
202 environsubopt, /* environ subopt is received */
203 oenvironsubopt, /* old environ subopt is received */
204 xdisplocsubopt, /* xdisploc subopt is received */
205 baseline, /* time started to do timed action */
206 gotDM; /* when did we last see a data mark */
211 # define DEFAULT_IM "\r\n\r\nULTRIX (%h) (%t)\r\n\r\r\n\r"
214 # define DEFAULT_IM "\r\n\r\nFreeBSD (%h) (%t)\r\n\r\r\n\r"
216 # define DEFAULT_IM "\r\n\r\n4.4 BSD UNIX (%h) (%t)\r\n\r\r\n\r"