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 $
31 * $DragonFly: src/crypto/telnet/telnetd/ext.h,v 1.3 2006/01/17 23:50:35 dillon Exp $
35 * Telnet server variable declarations
37 extern char options[256];
38 extern char do_dont_resp[256];
39 extern char will_wont_resp[256];
40 extern int linemode; /* linemode on/off */
42 extern int uselinemode; /* what linemode to use (on/off) */
43 extern int editmode; /* edit modes in use */
44 extern int useeditmode; /* edit modes to use */
45 extern int alwayslinemode; /* command line option */
46 extern int lmodetype; /* Client support for linemode */
48 extern int flowmode; /* current flow control state */
49 extern int restartany; /* restart output on any character state */
51 extern int diagnostic; /* telnet diagnostic capabilities */
52 #endif /* DIAGNOSTICS */
54 extern int bftpd; /* behave as bftp daemon */
55 #endif /* BFTPDAEMON */
57 extern int auth_level;
60 extern slcfun slctab[NSLC + 1]; /* slc mapping table */
62 #define TERMINAL_TYPE_SIZE 41 /* allocated space for terminaltype */
67 * I/O data buffers, pointers, and counters.
69 extern char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
71 extern char netibuf[BUFSIZ], *netip;
73 extern char netobuf[BUFSIZ], *nfrontp, *nbackp;
74 extern char *neturg; /* one past last bye of urgent data */
80 extern int SYNCHing; /* we are in TELNET SYNCH mode */
84 add_slc(char, char, cc_t),
86 change_slc(char, char, cc_t),
88 clientstat(int, int, int),
89 copy_termbuf(char *, size_t),
92 do_opt_slc(unsigned char *, int),
96 edithost(char *, char *),
97 fatal(int, const char *),
98 fatalperror(int, const char *),
99 get_slc_defaults(void),
108 printoption(const char *, int),
109 printdata(const char *, char *, int),
110 printsub(char, unsigned char *, int),
112 process_slc(unsigned char, unsigned char, cc_t),
115 putf(char *, char *),
126 start_login(char *, int, char *),
128 #ifdef AUTHENTICATION
131 start_slave(char *, int, char *),
140 end_slc(unsigned char **),
146 spcset(int, cc_t *, cc_t **),
151 tty_restartany(void),
152 tty_isbinaryin(void),
153 tty_isbinaryout(void),
168 tty_setlinemode(int),
176 int output_data(const char *, ...) __printflike(1, 2);
177 void output_datalen(const char *, int);
178 void startslave(char *, int, char *);
181 extern void (*encrypt_output)(unsigned char *, int);
182 extern int (*decrypt_input)(int);
183 extern char *nclearto;
184 #endif /* ENCRYPTION */
188 * The following are some clocks used to decide how to interpret
189 * the relationship between various variables.
194 system, /* what the current time is */
195 echotoggle, /* last time user entered echo character */
196 modenegotiated, /* last time operating mode negotiated */
197 didnetreceive, /* last time we read data from network */
198 ttypesubopt, /* ttype subopt is received */
199 tspeedsubopt, /* tspeed subopt is received */
200 environsubopt, /* environ subopt is received */
201 oenvironsubopt, /* old environ subopt is received */
202 xdisplocsubopt, /* xdisploc subopt is received */
203 baseline, /* time started to do timed action */
204 gotDM; /* when did we last see a data mark */
209 # define DEFAULT_IM "\r\n\r\nULTRIX (%h) (%t)\r\n\r\r\n\r"
211 # if defined(__DragonFly__)
212 # define DEFAULT_IM "\r\n\r\nDragonFly (%h) (%t)\r\n\r\r\n\r"
213 # elif defined(__FreeBSD__)
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"