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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)ext.h 8.2 (Berkeley) 12/15/93
30 * $FreeBSD: src/crypto/telnet/telnetd/ext.h,v 1.2.8.4 2002/04/13 10:59:08 markm Exp $
34 * Telnet server variable declarations
36 extern char options[256];
37 extern char do_dont_resp[256];
38 extern char will_wont_resp[256];
39 extern int linemode; /* linemode on/off */
41 extern int uselinemode; /* what linemode to use (on/off) */
42 extern int editmode; /* edit modes in use */
43 extern int useeditmode; /* edit modes to use */
44 extern int alwayslinemode; /* command line option */
45 extern int lmodetype; /* Client support for linemode */
47 extern int flowmode; /* current flow control state */
48 extern int restartany; /* restart output on any character state */
50 extern int diagnostic; /* telnet diagnostic capabilities */
51 #endif /* DIAGNOSTICS */
53 extern int bftpd; /* behave as bftp daemon */
54 #endif /* BFTPDAEMON */
56 extern int auth_level;
59 extern slcfun slctab[NSLC + 1]; /* slc mapping table */
61 #define TERMINAL_TYPE_SIZE 41 /* allocated space for terminaltype */
66 * I/O data buffers, pointers, and counters.
68 extern char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
70 extern char netibuf[BUFSIZ], *netip;
72 extern char netobuf[BUFSIZ], *nfrontp, *nbackp;
73 extern char *neturg; /* one past last bye of urgent data */
79 extern int SYNCHing; /* we are in TELNET SYNCH mode */
83 add_slc(char, char, cc_t),
85 change_slc(char, char, cc_t),
87 clientstat(int, int, int),
88 copy_termbuf(char *, size_t),
91 do_opt_slc(unsigned char *, int),
95 edithost(char *, char *),
96 fatalmsg(int, const char *) __dead2,
97 fatalperror(int, const char *) __dead2,
98 get_slc_defaults(void),
107 printoption(const char *, int),
108 printdata(const char *, char *, int),
109 printsub(char, unsigned char *, int),
111 process_slc(unsigned char, unsigned char, cc_t),
114 putf(char *, char *),
125 start_login(char *, int, char *) __dead2,
127 #ifdef AUTHENTICATION
130 start_slave(char *, int, char *),
139 end_slc(unsigned char **),
145 spcset(int, cc_t *, cc_t **),
150 tty_restartany(void),
151 tty_isbinaryin(void),
152 tty_isbinaryout(void),
167 tty_setlinemode(int),
175 int output_data(const char *, ...) __printflike(1, 2);
176 void output_datalen(const char *, int);
177 void startslave(char *, int, char *);
180 extern void (*encrypt_output)(unsigned char *, int);
181 extern int (*decrypt_input)(int);
182 extern char *nclearto;
183 #endif /* ENCRYPTION */
187 * The following are some clocks used to decide how to interpret
188 * the relationship between various variables.
193 system, /* what the current time is */
194 echotoggle, /* last time user entered echo character */
195 modenegotiated, /* last time operating mode negotiated */
196 didnetreceive, /* last time we read data from network */
197 ttypesubopt, /* ttype subopt is received */
198 tspeedsubopt, /* tspeed subopt is received */
199 environsubopt, /* environ subopt is received */
200 oenvironsubopt, /* old environ subopt is received */
201 xdisplocsubopt, /* xdisploc subopt is received */
202 baseline, /* time started to do timed action */
203 gotDM; /* when did we last see a data mark */
208 # define DEFAULT_IM "\r\n\r\nULTRIX (%h) (%t)\r\n\r\r\n\r"
210 # if defined(__DragonFly__)
211 # define DEFAULT_IM "\r\n\r\nDragonFly (%h) (%t)\r\n\r\r\n\r"
212 # elif defined(__FreeBSD__)
213 # define DEFAULT_IM "\r\n\r\nFreeBSD (%h) (%t)\r\n\r\r\n\r"
215 # define DEFAULT_IM "\r\n\r\n4.4 BSD UNIX (%h) (%t)\r\n\r\r\n\r"