2 * Copyright (c) 1988, 1990, 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 * @(#)externs.h 8.3 (Berkeley) 5/30/95
42 * ucb stdio.h defines BSD as something weird
44 #if defined(sun) && defined(__svr4__)
49 # if BSD > 43 || defined(SYSV_TERMIO)
56 #include <sys/ioctl.h>
62 # define termio termios
64 #if defined(NO_CC_T) || !defined(USE_TERMIO)
65 # if !defined(USE_TERMIO)
68 typedef unsigned char cc_t;
75 #include <netipsec/ipsec.h>
76 #if defined(IPSEC_POLICY_IPSEC)
77 extern char *ipsec_policy_in;
78 extern char *ipsec_policy_out;
82 #ifndef _POSIX_VDISABLE
84 # include <sys/param.h> /* pick up VDISABLE definition, mayby */
87 # define _POSIX_VDISABLE VDISABLE
89 # define _POSIX_VDISABLE ((cc_t)'\377')
93 #define SUBBUFSIZE 256
104 autologin, /* Autologin enabled */
105 skiprc, /* Don't process the ~/.telnetrc file */
106 eight, /* use eight bit mode (binary in and/or out */
107 family, /* address family of peer */
108 flushout, /* flush output */
109 connected, /* Are we connected to the other side? */
110 globalmode, /* Mode tty should be in */
111 telnetport, /* Are we connected to the telnet port? */
112 localflow, /* Flow control handled locally */
113 restartany, /* If flow control, restart output on any character */
114 localchars, /* we recognize interrupt/quit */
115 donelclchars, /* the user has set "localchars" */
117 net, /* Network file descriptor */
118 tin, /* Terminal input file descriptor */
119 tout, /* Terminal output file descriptor */
120 crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
121 autoflush, /* flush output when interrupting? */
122 autosynch, /* send interrupt characters with SYNCH? */
123 SYNCHing, /* Is the stream in telnet SYNCH mode? */
124 donebinarytoggle, /* the user has put us in binary */
125 dontlecho, /* do we suppress local echoing right now? */
127 netdata, /* Print out network data flow */
128 prettydump, /* Print "netdata" output in user readable format */
129 termdata, /* Print out terminal data flow */
130 telnet_debug, /* Debug level */
131 doaddrlookup, /* do a reverse lookup? */
132 clienteof; /* Client received EOF */
134 extern cc_t escape; /* Escape to command mode */
135 extern cc_t rlogin; /* Rlogin mode escape character */
136 #ifdef KLUDGELINEMODE
137 extern cc_t echoc; /* Toggle local echoing */
141 *prompt; /* Prompt for command. */
148 options[], /* All the little options */
149 *hostname; /* Who are we connected to? */
151 extern void (*encrypt_output)(unsigned char *, int);
152 extern int (*decrypt_input)(int);
153 #endif /* ENCRYPTION */
156 * We keep track of each side of the option negotiation.
159 #define MY_STATE_WILL 0x01
160 #define MY_WANT_STATE_WILL 0x02
161 #define MY_STATE_DO 0x04
162 #define MY_WANT_STATE_DO 0x08
165 * Macros to check the current state of things
168 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
169 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
170 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
171 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
173 #define my_state_is_dont(opt) (!my_state_is_do(opt))
174 #define my_state_is_wont(opt) (!my_state_is_will(opt))
175 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
176 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
178 #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
179 #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
180 #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
181 #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
183 #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
184 #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
185 #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
186 #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
189 * Make everything symetrical
192 #define HIS_STATE_WILL MY_STATE_DO
193 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
194 #define HIS_STATE_DO MY_STATE_WILL
195 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
197 #define his_state_is_do my_state_is_will
198 #define his_state_is_will my_state_is_do
199 #define his_want_state_is_do my_want_state_is_will
200 #define his_want_state_is_will my_want_state_is_do
202 #define his_state_is_dont my_state_is_wont
203 #define his_state_is_wont my_state_is_dont
204 #define his_want_state_is_dont my_want_state_is_wont
205 #define his_want_state_is_wont my_want_state_is_dont
207 #define set_his_state_do set_my_state_will
208 #define set_his_state_will set_my_state_do
209 #define set_his_want_state_do set_my_want_state_will
210 #define set_his_want_state_will set_my_want_state_do
212 #define set_his_state_dont set_my_state_wont
213 #define set_his_state_wont set_my_state_dont
214 #define set_his_want_state_dont set_my_want_state_wont
215 #define set_his_want_state_wont set_my_want_state_dont
217 #if defined(USE_TERMIO)
218 #define SIG_FUNC_RET void
220 #define SIG_FUNC_RET int
229 *NetTrace; /* Where debugging output goes */
231 NetTraceFile[]; /* Name of file where debugging output goes */
233 SetNetTrace(char *); /* Function to change where debugging goes */
236 toplevel; /* For error conditions. */
239 command(int, const char *, int),
240 Dump(char, unsigned char *, int),
243 ExitString(const char *, int),
250 printoption(const char *, int, int),
251 printsub(char, unsigned char *, int),
260 setcommandmode(void),
261 set_escape_char(char *s),
263 sys_telnet_init(void),
265 tel_enter_binary(int),
266 tel_leave_binary(int),
267 TerminalFlushOutput(void),
268 TerminalNewMode(int),
269 TerminalRestoreState(void),
270 TerminalSaveState(void),
271 TerminalDefaultChars(void),
272 TerminalSpeeds(long *, long *),
285 lm_will(unsigned char *, int),
286 lm_wont(unsigned char *, int),
287 lm_do(unsigned char *, int),
288 lm_dont(unsigned char *, int),
289 lm_mode(unsigned char *, int, int);
294 slc_mode_export(void),
295 slc_mode_import(int),
298 slc(unsigned char *, int),
300 slc_start_reply(void),
301 slc_add_reply(unsigned char, unsigned char, cc_t),
305 opt_welldefined(const char *),
308 process_rings(int, int, int, int, int, int),
310 SetSockOpt(int, int, int, int),
314 TerminalRead(char *, int),
315 TerminalWrite(char *, int),
316 TerminalAutoFlush(void),
317 TerminalWindowSize(long *, long *),
318 TerminalSpecialChars(int),
323 env_opt(unsigned char *, int),
325 env_opt_start_info(void),
326 env_opt_add(unsigned char *),
330 *env_default(int, int),
331 *env_getvalue(const unsigned char *);
342 extern struct tchars ntc;
343 extern struct ltchars nltc;
344 extern struct sgttyb nttyb;
346 # define termEofChar ntc.t_eofc
347 # define termEraseChar nttyb.sg_erase
348 # define termFlushChar nltc.t_flushc
349 # define termIntChar ntc.t_intrc
350 # define termKillChar nttyb.sg_kill
351 # define termLiteralNextChar nltc.t_lnextc
352 # define termQuitChar ntc.t_quitc
353 # define termSuspChar nltc.t_suspc
354 # define termRprntChar nltc.t_rprntc
355 # define termWerasChar nltc.t_werasc
356 # define termStartChar ntc.t_startc
357 # define termStopChar ntc.t_stopc
358 # define termForw1Char ntc.t_brkc
359 extern cc_t termForw2Char;
360 extern cc_t termAytChar;
362 # define termEofCharp (cc_t *)&ntc.t_eofc
363 # define termEraseCharp (cc_t *)&nttyb.sg_erase
364 # define termFlushCharp (cc_t *)&nltc.t_flushc
365 # define termIntCharp (cc_t *)&ntc.t_intrc
366 # define termKillCharp (cc_t *)&nttyb.sg_kill
367 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
368 # define termQuitCharp (cc_t *)&ntc.t_quitc
369 # define termSuspCharp (cc_t *)&nltc.t_suspc
370 # define termRprntCharp (cc_t *)&nltc.t_rprntc
371 # define termWerasCharp (cc_t *)&nltc.t_werasc
372 # define termStartCharp (cc_t *)&ntc.t_startc
373 # define termStopCharp (cc_t *)&ntc.t_stopc
374 # define termForw1Charp (cc_t *)&ntc.t_brkc
375 # define termForw2Charp (cc_t *)&termForw2Char
376 # define termAytCharp (cc_t *)&termAytChar
380 extern struct termio new_tc;
382 # define termEofChar new_tc.c_cc[VEOF]
383 # define termEraseChar new_tc.c_cc[VERASE]
384 # define termIntChar new_tc.c_cc[VINTR]
385 # define termKillChar new_tc.c_cc[VKILL]
386 # define termQuitChar new_tc.c_cc[VQUIT]
389 extern cc_t termSuspChar;
391 # define termSuspChar new_tc.c_cc[VSUSP]
393 # if defined(VFLUSHO) && !defined(VDISCARD)
394 # define VDISCARD VFLUSHO
397 extern cc_t termFlushChar;
399 # define termFlushChar new_tc.c_cc[VDISCARD]
402 extern cc_t termWerasChar;
404 # define termWerasChar new_tc.c_cc[VWERASE]
407 extern cc_t termRprntChar;
409 # define termRprntChar new_tc.c_cc[VREPRINT]
412 extern cc_t termLiteralNextChar;
414 # define termLiteralNextChar new_tc.c_cc[VLNEXT]
417 extern cc_t termStartChar;
419 # define termStartChar new_tc.c_cc[VSTART]
422 extern cc_t termStopChar;
424 # define termStopChar new_tc.c_cc[VSTOP]
427 extern cc_t termForw1Char;
429 # define termForw1Char new_tc.c_cc[VEOL]
432 extern cc_t termForw2Char;
434 # define termForw2Char new_tc.c_cc[VEOL]
437 extern cc_t termAytChar;
439 # define termAytChar new_tc.c_cc[VSTATUS]
442 # if defined(__STDC__)
443 # define termEofCharp &termEofChar
444 # define termEraseCharp &termEraseChar
445 # define termIntCharp &termIntChar
446 # define termKillCharp &termKillChar
447 # define termQuitCharp &termQuitChar
448 # define termSuspCharp &termSuspChar
449 # define termFlushCharp &termFlushChar
450 # define termWerasCharp &termWerasChar
451 # define termRprntCharp &termRprntChar
452 # define termLiteralNextCharp &termLiteralNextChar
453 # define termStartCharp &termStartChar
454 # define termStopCharp &termStopChar
455 # define termForw1Charp &termForw1Char
456 # define termForw2Charp &termForw2Char
457 # define termAytCharp &termAytChar
459 /* Work around a compiler bug */
460 # define termEofCharp 0
461 # define termEraseCharp 0
462 # define termIntCharp 0
463 # define termKillCharp 0
464 # define termQuitCharp 0
465 # define termSuspCharp 0
466 # define termFlushCharp 0
467 # define termWerasCharp 0
468 # define termRprntCharp 0
469 # define termLiteralNextCharp 0
470 # define termStartCharp 0
471 # define termStopCharp 0
472 # define termForw1Charp 0
473 # define termForw2Charp 0
474 # define termAytCharp 0
479 /* Ring buffer structures which are shared */