externs.h revision 1.15 1 /* $NetBSD: externs.h,v 1.15 1999/07/28 06:35:15 abs Exp $ */
2
3 /*
4 * Copyright (c) 1988, 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * from: @(#)externs.h 8.3 (Berkeley) 5/30/95
36 */
37
38 #ifndef BSD
39 # define BSD 43
40 #endif
41
42 /*
43 * ucb stdio.h defines BSD as something wierd
44 */
45 #if defined(sun) && defined(__svr4__) && !defined(BSD)
46 #define BSD 43
47 #endif
48
49 #ifndef USE_TERMIO
50 # if BSD > 43 || defined(SYSV_TERMIO)
51 # define USE_TERMIO
52 # endif
53 #endif
54
55 #include <stdio.h>
56 #include <stdlib.h>
57 #include <setjmp.h>
58 #if defined(CRAY) && !defined(NO_BSD_SETJMP)
59 #include <bsdsetjmp.h>
60 #endif
61 #ifndef FILIO_H
62 #include <sys/ioctl.h>
63 #else
64 #include <sys/filio.h>
65 #endif
66 #ifdef CRAY
67 # include <errno.h>
68 #endif /* CRAY */
69 #ifdef USE_TERMIO
70 # ifndef VINTR
71 # ifdef SYSV_TERMIO
72 # include <sys/termio.h>
73 # else
74 # include <sys/termios.h>
75 # define termio termios
76 # endif
77 # else
78 # if defined(TCSANOW)
79 # define termio termios
80 # endif
81 # endif
82 #endif
83 #if defined(NO_CC_T) || !defined(USE_TERMIO)
84 # if !defined(USE_TERMIO)
85 typedef char cc_t;
86 # else
87 typedef unsigned char cc_t;
88 # endif
89 #endif
90
91 #ifndef NO_STRING_H
92 #include <string.h>
93 #else
94 #include <strings.h>
95 #endif
96
97 #if defined(IPSEC)
98 #include <netinet6/ipsec.h>
99 #if defined(IPSEC_POLICY_IPSEC)
100 extern char *ipsec_policy;
101 #endif
102 #endif
103
104 #ifndef _POSIX_VDISABLE
105 # ifdef sun
106 # include <sys/param.h> /* pick up VDISABLE definition, mayby */
107 # endif
108 # ifdef VDISABLE
109 # define _POSIX_VDISABLE VDISABLE
110 # else
111 # define _POSIX_VDISABLE ((cc_t)'\377')
112 # endif
113 #endif
114
115 #define SUBBUFSIZE 256
116
117 #ifndef CRAY
118 extern int errno; /* outside this world */
119 #endif /* !CRAY */
120
121 #include <sys/cdefs.h>
122 #define P __P
123
124 extern int
125 autologin, /* Autologin enabled */
126 skiprc, /* Don't process the ~/.telnetrc file */
127 eight, /* use eight bit mode (binary in and/or out */
128 flushout, /* flush output */
129 connected, /* Are we connected to the other side? */
130 globalmode, /* Mode tty should be in */
131 In3270, /* Are we in 3270 mode? */
132 telnetport, /* Are we connected to the telnet port? */
133 localflow, /* Flow control handled locally */
134 restartany, /* If flow control, restart output on any character */
135 localchars, /* we recognize interrupt/quit */
136 donelclchars, /* the user has set "localchars" */
137 showoptions,
138 net, /* Network file descriptor */
139 tin, /* Terminal input file descriptor */
140 tout, /* Terminal output file descriptor */
141 crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
142 autoflush, /* flush output when interrupting? */
143 autosynch, /* send interrupt characters with SYNCH? */
144 SYNCHing, /* Is the stream in telnet SYNCH mode? */
145 donebinarytoggle, /* the user has put us in binary */
146 dontlecho, /* do we suppress local echoing right now? */
147 crmod,
148 netdata, /* Print out network data flow */
149 prettydump, /* Print "netdata" output in user readable format */
150 #if defined(unix)
151 #if defined(TN3270)
152 cursesdata, /* Print out curses data flow */
153 apitrace, /* Trace API transactions */
154 #endif /* defined(TN3270) */
155 termdata, /* Print out terminal data flow */
156 #endif /* defined(unix) */
157 debug, /* Debug level */
158 doaddrlookup, /* do a reverse address lookup? */
159 clienteof; /* Client received EOF */
160
161 extern cc_t escape; /* Escape to command mode */
162 extern cc_t rlogin; /* Rlogin mode escape character */
163 #ifdef KLUDGELINEMODE
164 extern cc_t echoc; /* Toggle local echoing */
165 #endif
166
167 extern char
168 *prompt; /* Prompt for command. */
169
170 extern char
171 doopt[],
172 dont[],
173 will[],
174 wont[],
175 options[], /* All the little options */
176 *hostname; /* Who are we connected to? */
177
178 /*
179 * We keep track of each side of the option negotiation.
180 */
181
182 #define MY_STATE_WILL 0x01
183 #define MY_WANT_STATE_WILL 0x02
184 #define MY_STATE_DO 0x04
185 #define MY_WANT_STATE_DO 0x08
186
187 /*
188 * Macros to check the current state of things
189 */
190
191 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
192 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
193 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
194 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
195
196 #define my_state_is_dont(opt) (!my_state_is_do(opt))
197 #define my_state_is_wont(opt) (!my_state_is_will(opt))
198 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
199 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
200
201 #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
202 #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
203 #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
204 #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
205
206 #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
207 #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
208 #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
209 #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
210
211 /*
212 * Make everything symetrical
213 */
214
215 #define HIS_STATE_WILL MY_STATE_DO
216 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
217 #define HIS_STATE_DO MY_STATE_WILL
218 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
219
220 #define his_state_is_do my_state_is_will
221 #define his_state_is_will my_state_is_do
222 #define his_want_state_is_do my_want_state_is_will
223 #define his_want_state_is_will my_want_state_is_do
224
225 #define his_state_is_dont my_state_is_wont
226 #define his_state_is_wont my_state_is_dont
227 #define his_want_state_is_dont my_want_state_is_wont
228 #define his_want_state_is_wont my_want_state_is_dont
229
230 #define set_his_state_do set_my_state_will
231 #define set_his_state_will set_my_state_do
232 #define set_his_want_state_do set_my_want_state_will
233 #define set_his_want_state_will set_my_want_state_do
234
235 #define set_his_state_dont set_my_state_wont
236 #define set_his_state_wont set_my_state_dont
237 #define set_his_want_state_dont set_my_want_state_wont
238 #define set_his_want_state_wont set_my_want_state_dont
239
240
241 extern FILE
242 *NetTrace; /* Where debugging output goes */
243 extern unsigned char
244 NetTraceFile[]; /* Name of file where debugging output goes */
245
246 extern jmp_buf
247 peerdied,
248 toplevel; /* For error conditions. */
249
250
251 /* authenc.c */
252 int net_write P((unsigned char *, int));
253 void net_encrypt P((void));
254 int telnet_spin P((void));
255 char *telnet_getenv P((char *));
256 char *telnet_gets P((char *, char *, int, int));
257
258 /* commands.c */
259 int send_tncmd P((void (*)(int, int), char *, char *));
260 void _setlist_init P((void));
261 void set_escape_char P((char *));
262 int set_mode P((int));
263 int clear_mode P((int));
264 int modehelp P((int));
265 int suspend P((int, char *[]));
266 int shell P((int, char *[]));
267 int quit P((int, char *[]));
268 int logout P((int, char *[]));
269 int env_cmd P((int, char *[]));
270 struct env_lst *env_find P((unsigned char *));
271 void env_init P((void));
272 struct env_lst *env_define P((unsigned char *, unsigned char *));
273 struct env_lst *env_undefine P((unsigned char *, unsigned char *));
274 struct env_lst *env_export P((unsigned char *, unsigned char *));
275 struct env_lst *env_unexport P((unsigned char *, unsigned char *));
276 struct env_lst *env_send P((unsigned char *, unsigned char *));
277 struct env_lst *env_list P((unsigned char *, unsigned char *));
278 unsigned char *env_default P((int, int ));
279 unsigned char *env_getvalue P((unsigned char *));
280 void env_varval P((unsigned char *));
281 int auth_cmd P((int, char *[]));
282 int ayt_status P((void));
283 int tn P((int, char *[]));
284 void command P((int, char *, int));
285 void cmdrc P((const char *, const char *));
286 struct addrinfo;
287 int sourceroute P((struct addrinfo *, char *, char **, int *, int*));
288
289 /* main.c */
290 void tninit P((void));
291 void usage P((void));
292
293 /* network.c */
294 void init_network P((void));
295 int stilloob P((void));
296 void setneturg P((void));
297 int netflush P((void));
298
299 /* sys_bsd.c */
300 void init_sys P((void));
301 int TerminalWrite P((char *, int));
302 int TerminalRead P((unsigned char *, int));
303 int TerminalAutoFlush P((void));
304 int TerminalSpecialChars P((int));
305 void TerminalFlushOutput P((void));
306 void TerminalSaveState P((void));
307 cc_t *tcval P((int));
308 void TerminalDefaultChars P((void));
309 void TerminalRestoreState P((void));
310 void TerminalNewMode P((int));
311 void TerminalSpeeds P((long *, long *));
312 int TerminalWindowSize P((long *, long *));
313 int NetClose P((int));
314 void NetNonblockingIO P((int, int));
315 void NetSigIO P((int, int));
316 void NetSetPgrp P((int));
317 void sys_telnet_init P((void));
318 int process_rings P((int , int , int , int , int , int));
319
320 /* telnet.c */
321 void init_telnet P((void));
322 void send_do P((int, int ));
323 void send_dont P((int, int ));
324 void send_will P((int, int ));
325 void send_wont P((int, int ));
326 void willoption P((int));
327 void wontoption P((int));
328 char **mklist P((char *, char *));
329 int is_unique P((char *, char **, char **));
330 int setup_term P((char *, int, int *));
331 char *gettermname P((void));
332 void lm_will P((unsigned char *, int));
333 void lm_wont P((unsigned char *, int));
334 void lm_do P((unsigned char *, int));
335 void lm_dont P((unsigned char *, int));
336 void lm_mode P((unsigned char *, int, int ));
337 void slc_init P((void));
338 void slcstate P((void));
339 void slc_mode_export P((int));
340 void slc_mode_import P((int));
341 void slc_import P((int));
342 void slc_export P((void));
343 void slc P((unsigned char *, int));
344 void slc_check P((void));
345 void slc_start_reply P((void));
346 void slc_add_reply P((unsigned int, unsigned int, cc_t));
347 void slc_end_reply P((void));
348 int slc_update P((void));
349 void env_opt P((unsigned char *, int));
350 void env_opt_start P((void));
351 void env_opt_start_info P((void));
352 void env_opt_add P((unsigned char *));
353 int opt_welldefined P((char *));
354 void env_opt_end P((int));
355 int telrcv P((void));
356 int rlogin_susp P((void));
357 int Scheduler P((int));
358 void telnet P((const char *));
359 void xmitAO P((void));
360 void xmitEL P((void));
361 void xmitEC P((void));
362 int dosynch P((char *));
363 int get_status P((char *));
364 void intp P((void));
365 void sendbrk P((void));
366 void sendabort P((void));
367 void sendsusp P((void));
368 void sendeof P((void));
369 void sendayt P((void));
370 void sendnaws P((void));
371 void tel_enter_binary P((int));
372 void tel_leave_binary P((int));
373
374 /* terminal.c */
375 void init_terminal P((void));
376 int ttyflush P((int));
377 int getconnmode P((void));
378 void setconnmode P((int));
379 void setcommandmode P((void));
380
381 /* utilities.c */
382 void upcase P((char *));
383 int SetSockOpt P((int, int , int , int ));
384 void SetNetTrace P((char *));
385 void Dump P((int, unsigned char *, int));
386 void printoption P((char *, int, int ));
387 void optionstatus P((void));
388 void printsub P((int, unsigned char *, int));
389 void EmptyTerminal P((void));
390 void SetForExit P((void));
391 void Exit P((int)) __attribute__((__noreturn__));
392 void ExitString P((char *, int)) __attribute__((__noreturn__));
393
394 #ifndef USE_TERMIO
395
396 extern struct tchars ntc;
397 extern struct ltchars nltc;
398 extern struct sgttyb nttyb;
399
400 # define termEofChar ntc.t_eofc
401 # define termEraseChar nttyb.sg_erase
402 # define termFlushChar nltc.t_flushc
403 # define termIntChar ntc.t_intrc
404 # define termKillChar nttyb.sg_kill
405 # define termLiteralNextChar nltc.t_lnextc
406 # define termQuitChar ntc.t_quitc
407 # define termSuspChar nltc.t_suspc
408 # define termRprntChar nltc.t_rprntc
409 # define termWerasChar nltc.t_werasc
410 # define termStartChar ntc.t_startc
411 # define termStopChar ntc.t_stopc
412 # define termForw1Char ntc.t_brkc
413 extern cc_t termForw2Char;
414 extern cc_t termAytChar;
415
416 # define termEofCharp (cc_t *)&ntc.t_eofc
417 # define termEraseCharp (cc_t *)&nttyb.sg_erase
418 # define termFlushCharp (cc_t *)&nltc.t_flushc
419 # define termIntCharp (cc_t *)&ntc.t_intrc
420 # define termKillCharp (cc_t *)&nttyb.sg_kill
421 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
422 # define termQuitCharp (cc_t *)&ntc.t_quitc
423 # define termSuspCharp (cc_t *)&nltc.t_suspc
424 # define termRprntCharp (cc_t *)&nltc.t_rprntc
425 # define termWerasCharp (cc_t *)&nltc.t_werasc
426 # define termStartCharp (cc_t *)&ntc.t_startc
427 # define termStopCharp (cc_t *)&ntc.t_stopc
428 # define termForw1Charp (cc_t *)&ntc.t_brkc
429 # define termForw2Charp (cc_t *)&termForw2Char
430 # define termAytCharp (cc_t *)&termAytChar
431
432 # else
433
434 extern struct termio new_tc;
435
436 # define termEofChar new_tc.c_cc[VEOF]
437 # define termEraseChar new_tc.c_cc[VERASE]
438 # define termIntChar new_tc.c_cc[VINTR]
439 # define termKillChar new_tc.c_cc[VKILL]
440 # define termQuitChar new_tc.c_cc[VQUIT]
441
442 # ifndef VSUSP
443 extern cc_t termSuspChar;
444 # else
445 # define termSuspChar new_tc.c_cc[VSUSP]
446 # endif
447 # if defined(VFLUSHO) && !defined(VDISCARD)
448 # define VDISCARD VFLUSHO
449 # endif
450 # ifndef VDISCARD
451 extern cc_t termFlushChar;
452 # else
453 # define termFlushChar new_tc.c_cc[VDISCARD]
454 # endif
455 # ifndef VWERASE
456 extern cc_t termWerasChar;
457 # else
458 # define termWerasChar new_tc.c_cc[VWERASE]
459 # endif
460 # ifndef VREPRINT
461 extern cc_t termRprntChar;
462 # else
463 # define termRprntChar new_tc.c_cc[VREPRINT]
464 # endif
465 # ifndef VLNEXT
466 extern cc_t termLiteralNextChar;
467 # else
468 # define termLiteralNextChar new_tc.c_cc[VLNEXT]
469 # endif
470 # ifndef VSTART
471 extern cc_t termStartChar;
472 # else
473 # define termStartChar new_tc.c_cc[VSTART]
474 # endif
475 # ifndef VSTOP
476 extern cc_t termStopChar;
477 # else
478 # define termStopChar new_tc.c_cc[VSTOP]
479 # endif
480 # ifndef VEOL
481 extern cc_t termForw1Char;
482 # else
483 # define termForw1Char new_tc.c_cc[VEOL]
484 # endif
485 # ifndef VEOL2
486 extern cc_t termForw2Char;
487 # else
488 # define termForw2Char new_tc.c_cc[VEOL]
489 # endif
490 # ifndef VSTATUS
491 extern cc_t termAytChar;
492 #else
493 # define termAytChar new_tc.c_cc[VSTATUS]
494 #endif
495
496 # if !defined(CRAY) || defined(__STDC__)
497 # define termEofCharp &termEofChar
498 # define termEraseCharp &termEraseChar
499 # define termIntCharp &termIntChar
500 # define termKillCharp &termKillChar
501 # define termQuitCharp &termQuitChar
502 # define termSuspCharp &termSuspChar
503 # define termFlushCharp &termFlushChar
504 # define termWerasCharp &termWerasChar
505 # define termRprntCharp &termRprntChar
506 # define termLiteralNextCharp &termLiteralNextChar
507 # define termStartCharp &termStartChar
508 # define termStopCharp &termStopChar
509 # define termForw1Charp &termForw1Char
510 # define termForw2Charp &termForw2Char
511 # define termAytCharp &termAytChar
512 # else
513 /* Work around a compiler bug */
514 # define termEofCharp 0
515 # define termEraseCharp 0
516 # define termIntCharp 0
517 # define termKillCharp 0
518 # define termQuitCharp 0
519 # define termSuspCharp 0
520 # define termFlushCharp 0
521 # define termWerasCharp 0
522 # define termRprntCharp 0
523 # define termLiteralNextCharp 0
524 # define termStartCharp 0
525 # define termStopCharp 0
526 # define termForw1Charp 0
527 # define termForw2Charp 0
528 # define termAytCharp 0
529 # endif
530 #endif
531
532
533 /* Tn3270 section */
534 #if defined(TN3270)
535
536 extern int
537 HaveInput, /* Whether an asynchronous I/O indication came in */
538 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
539 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
540 sigiocount, /* Count of SIGIO receptions */
541 shell_active; /* Subshell is active */
542
543 extern char
544 *Ibackp, /* Oldest byte of 3270 data */
545 Ibuf[], /* 3270 buffer */
546 *Ifrontp, /* Where next 3270 byte goes */
547 tline[],
548 *transcom; /* Transparent command */
549
550 /* tn3270.c */
551 void init_3270 P((void));
552 int DataToNetwork P((char *, int, int));
553 void inputAvailable P((int));
554 void outputPurge P((void));
555 int DataToTerminal P((char *, int));
556 int Push3270 P((void));
557 void Finish3270 P((void));
558 void StringToTerminal P((char *));
559 void _putchar P((int));
560 void SetIn3270 P((void));
561 int tn3270_ttype P((void));
562 int settranscom P((int, char *[]));
563 int shell_continue P((void));
564 int DataFromTerminal __P((char *, int));
565 int DataFromNetwork __P((char *, int, int));
566 void ConnectScreen __P((void));
567 int DoTerminalOutput __P((void));
568
569 #endif /* defined(TN3270) */
570