xref: /freebsd/usr.sbin/kbdcontrol/kbdcontrol.c (revision e95923a2288fb2845c7be4822b1b92b2fc106d18)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 1994-1995 Søren Schmidt
5  * 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  *    in this position and unchanged.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include <ctype.h>
35 #include <err.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40 #include <fcntl.h>
41 #include <sys/kbio.h>
42 #include <sys/consio.h>
43 #include <sys/queue.h>
44 #include <sys/sysctl.h>
45 #include "path.h"
46 #include "lex.h"
47 
48 /*
49  * HALT, PDWN, and PASTE aren't defined in 4.x, but we need them to bridge
50  * to 5.0-current so define them here as a stop gap transition measure.
51  */
52 #ifndef	HALT
53 #define	HALT		0xa1		/* halt machine */
54 #endif
55 #ifndef PDWN
56 #define	PDWN		0xa2		/* halt machine and power down */
57 #endif
58 #ifndef PASTE
59 #define PASTE		0xa3		/* paste from cut-paste buffer */
60 #endif
61 
62 #define	SPECIAL		0x80000000
63 
64 static const char ctrl_names[32][4] = {
65 	"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
66 	"bs ", "ht ", "nl ", "vt ", "ff ", "cr ", "so ", "si ",
67 	"dle", "dc1", "dc2", "dc3", "dc4", "nak", "syn", "etb",
68 	"can", "em ", "sub", "esc", "fs ", "gs ", "rs ", "us "
69 	};
70 
71 static const char acc_names[15][5] = {
72 	"dgra", "dacu", "dcir", "dtil", "dmac", "dbre", "ddot",
73 	"duml", "dsla", "drin", "dced", "dapo", "ddac", "dogo",
74 	"dcar",
75 	};
76 
77 static const char acc_names_u[15][5] = {
78 	"DGRA", "DACU", "DCIR", "DTIL", "DMAC", "DBRE", "DDOT",
79 	"DUML", "DSLA", "DRIN", "DCED", "DAPO", "DDAC", "DOGO",
80 	"DCAR",
81 	};
82 
83 static const char fkey_table[96][MAXFK] = {
84 /* 01-04 */	"\033[M", "\033[N", "\033[O", "\033[P",
85 /* 05-08 */	"\033[Q", "\033[R", "\033[S", "\033[T",
86 /* 09-12 */	"\033[U", "\033[V", "\033[W", "\033[X",
87 /* 13-16 */	"\033[Y", "\033[Z", "\033[a", "\033[b",
88 /* 17-20 */	"\033[c", "\033[d", "\033[e", "\033[f",
89 /* 21-24 */	"\033[g", "\033[h", "\033[i", "\033[j",
90 /* 25-28 */	"\033[k", "\033[l", "\033[m", "\033[n",
91 /* 29-32 */	"\033[o", "\033[p", "\033[q", "\033[r",
92 /* 33-36 */	"\033[s", "\033[t", "\033[u", "\033[v",
93 /* 37-40 */	"\033[w", "\033[x", "\033[y", "\033[z",
94 /* 41-44 */	"\033[@", "\033[[", "\033[\\","\033[]",
95 /* 45-48 */     "\033[^", "\033[_", "\033[`", "\033[{",
96 /* 49-52 */	"\033[H", "\033[A", "\033[I", "-"     ,
97 /* 53-56 */	"\033[D", "\033[E", "\033[C", "+"     ,
98 /* 57-60 */	"\033[F", "\033[B", "\033[G", "\033[L",
99 /* 61-64 */     "\177",   "\033[J", "\033[~", "\033[}",
100 /* 65-68 */	""      , ""      , ""      , ""      ,
101 /* 69-72 */	""      , ""      , ""      , ""      ,
102 /* 73-76 */	""      , ""      , ""      , ""      ,
103 /* 77-80 */	""      , ""      , ""      , ""      ,
104 /* 81-84 */	""      , ""      , ""      , ""      ,
105 /* 85-88 */	""      , ""      , ""      , ""      ,
106 /* 89-92 */	""      , ""      , ""      , ""      ,
107 /* 93-96 */	""      , ""      , ""      , ""      ,
108 	};
109 
110 static const int delays[]  = {250, 500, 750, 1000};
111 static const int repeats[] = { 34,  38,  42,  46,  50,  55,  59,  63,
112 		      68,  76,  84,  92, 100, 110, 118, 126,
113 		     136, 152, 168, 184, 200, 220, 236, 252,
114 		     272, 304, 336, 368, 400, 440, 472, 504};
115 static const int ndelays = (sizeof(delays) / sizeof(int));
116 static const int nrepeats = (sizeof(repeats) / sizeof(int));
117 static int	hex = 0;
118 static int	paths_configured = 0;
119 static int	token;
120 
121 int		number;
122 char		letter;
123 
124 static void	add_keymap_path(const char *path);
125 static void	dump_accent_definition(char *name, accentmap_t *accentmap);
126 static void	dump_entry(int value);
127 static void	dump_key_definition(char *name, keymap_t *keymap);
128 static int	get_accent_definition_line(accentmap_t *);
129 static int	get_entry(void);
130 static int	get_key_definition_line(keymap_t *);
131 static void	load_keymap(char *opt, int dumponly);
132 static void	load_default_functionkeys(void);
133 static char *	nextarg(int ac, char **av, int *indp, int oc);
134 static char *	mkfullname(const char *s1, const char *s2, const char *s3);
135 static void	print_accent_definition_line(FILE *fp, int accent,
136 		struct acc_t *key);
137 static void	print_entry(FILE *fp, int value);
138 static void	print_key_definition_line(FILE *fp, int scancode,
139 		struct keyent_t *key);
140 static void	print_keymap(void);
141 static void	release_keyboard(void);
142 static void	mux_keyboard(u_int op, char *kbd);
143 static void	set_bell_values(char *opt);
144 static void	set_functionkey(char *keynumstr, char *string);
145 static void	set_keyboard(char *device);
146 static void	set_keyrates(char *opt);
147 static void	show_kbd_info(void);
148 static void	usage(void) __dead2;
149 
150 struct pathent {
151 	STAILQ_ENTRY(pathent) next;
152 	char *path;
153 };
154 static STAILQ_HEAD(, pathent) pathlist = STAILQ_HEAD_INITIALIZER(pathlist);
155 
156 /* Detect presence of vt(4). */
157 static int
158 is_vt4(void)
159 {
160 	char vty_name[4] = "";
161 	size_t len = sizeof(vty_name);
162 
163 	if (sysctlbyname("kern.vty", vty_name, &len, NULL, 0) != 0)
164 		return (0);
165 	return (strcmp(vty_name, "vt") == 0);
166 }
167 
168 static char *
169 nextarg(int ac, char **av, int *indp, int oc)
170 {
171 	if (*indp < ac)
172 		return(av[(*indp)++]);
173 	warnx("option requires two arguments -- %c", oc);
174 	usage();
175 }
176 
177 
178 static char *
179 mkfullname(const char *s1, const char *s2, const char *s3)
180 {
181 	static char	*buf = NULL;
182 	static int	bufl = 0;
183 	int		f;
184 
185 	f = strlen(s1) + strlen(s2) + strlen(s3) + 1;
186 	if (f > bufl) {
187 		if (buf)
188 			buf = (char *)realloc(buf, f);
189 		else
190 			buf = (char *)malloc(f);
191 	}
192 	if (!buf) {
193 		bufl = 0;
194 		return(NULL);
195 	}
196 
197 	bufl = f;
198 	strcpy(buf, s1);
199 	strcat(buf, s2);
200 	strcat(buf, s3);
201 	return(buf);
202 }
203 
204 
205 static int
206 get_entry(void)
207 {
208 	switch ((token = yylex())) {
209 	case TNOP:
210 		return NOP | SPECIAL;
211 	case TLSH:
212 		return LSH | SPECIAL;
213 	case TRSH:
214 		return RSH | SPECIAL;
215 	case TCLK:
216 		return CLK | SPECIAL;
217 	case TNLK:
218 		return NLK | SPECIAL;
219 	case TSLK:
220 		return SLK | SPECIAL;
221 	case TBTAB:
222 		return BTAB | SPECIAL;
223 	case TLALT:
224 		return LALT | SPECIAL;
225 	case TLCTR:
226 		return LCTR | SPECIAL;
227 	case TNEXT:
228 		return NEXT | SPECIAL;
229 	case TPREV:
230 		return PREV | SPECIAL;
231 	case TRCTR:
232 		return RCTR | SPECIAL;
233 	case TRALT:
234 		return RALT | SPECIAL;
235 	case TALK:
236 		return ALK | SPECIAL;
237 	case TASH:
238 		return ASH | SPECIAL;
239 	case TMETA:
240 		return META | SPECIAL;
241 	case TRBT:
242 		return RBT | SPECIAL;
243 	case TDBG:
244 		return DBG | SPECIAL;
245 	case TSUSP:
246 		return SUSP | SPECIAL;
247 	case TSPSC:
248 		return SPSC | SPECIAL;
249 	case TPANIC:
250 		return PNC | SPECIAL;
251 	case TLSHA:
252 		return LSHA | SPECIAL;
253 	case TRSHA:
254 		return RSHA | SPECIAL;
255 	case TLCTRA:
256 		return LCTRA | SPECIAL;
257 	case TRCTRA:
258 		return RCTRA | SPECIAL;
259 	case TLALTA:
260 		return LALTA | SPECIAL;
261 	case TRALTA:
262 		return RALTA | SPECIAL;
263 	case THALT:
264 		return HALT | SPECIAL;
265 	case TPDWN:
266 		return PDWN | SPECIAL;
267 	case TPASTE:
268 		return PASTE | SPECIAL;
269 	case TACC:
270 		if (ACC(number) > L_ACC)
271 			return -1;
272 		return ACC(number) | SPECIAL;
273 	case TFUNC:
274 		if (F(number) > L_FN)
275 			return -1;
276 		return F(number) | SPECIAL;
277 	case TSCRN:
278 		if (S(number) > L_SCR)
279 			return -1;
280 		return S(number) | SPECIAL;
281 	case TLET:
282 		return (unsigned char)letter;
283 	case TNUM:
284 		if (number < 0x000000 || number > 0x10FFFF)
285 			return -1;
286 		return number;
287 	default:
288 		return -1;
289 	}
290 }
291 
292 static int
293 get_definition_line(FILE *file, keymap_t *keymap, accentmap_t *accentmap)
294 {
295 	int c;
296 
297 	yyin = file;
298 
299 	if (token < 0)
300 		token = yylex();
301 	switch (token) {
302 	case TNUM:
303 		c = get_key_definition_line(keymap);
304 		if (c < 0)
305 			errx(1, "invalid key definition");
306 		if (c > keymap->n_keys)
307 			keymap->n_keys = c;
308 		break;
309 	case TACC:
310 		c = get_accent_definition_line(accentmap);
311 		if (c < 0)
312 			errx(1, "invalid accent key definition");
313 		if (c > accentmap->n_accs)
314 			accentmap->n_accs = c;
315 		break;
316 	case 0:
317 		/* EOF */
318 		return -1;
319 	default:
320 		errx(1, "illegal definition line");
321 	}
322 	return c;
323 }
324 
325 static int
326 get_key_definition_line(keymap_t *map)
327 {
328 	int i, def, scancode;
329 
330 	/* check scancode number */
331 	if (number < 0 || number >= NUM_KEYS)
332 		return -1;
333 	scancode = number;
334 
335 	/* get key definitions */
336 	map->key[scancode].spcl = 0;
337 	for (i=0; i<NUM_STATES; i++) {
338 		if ((def = get_entry()) == -1)
339 			return -1;
340 		if (def & SPECIAL)
341 			map->key[scancode].spcl |= (0x80 >> i);
342 		map->key[scancode].map[i] = def & ~SPECIAL;
343 	}
344 	/* get lock state key def */
345 	if ((token = yylex()) != TFLAG)
346 		return -1;
347 	map->key[scancode].flgs = number;
348 	token = yylex();
349 	return (scancode + 1);
350 }
351 
352 static int
353 get_accent_definition_line(accentmap_t *map)
354 {
355 	int accent;
356 	int c1, c2;
357 	int i;
358 
359 	if (ACC(number) < F_ACC || ACC(number) > L_ACC)
360 		/* number out of range */
361 		return -1;
362 	accent = number;
363 	if (map->acc[accent].accchar != 0) {
364 		/* this entry has already been defined before! */
365 		errx(1, "duplicated accent key definition");
366 	}
367 
368 	switch ((token = yylex())) {
369 	case TLET:
370 		map->acc[accent].accchar = letter;
371 		break;
372 	case TNUM:
373 		map->acc[accent].accchar = number;
374 		break;
375 	default:
376 		return -1;
377 	}
378 
379 	for (i = 0; (token = yylex()) == '(';) {
380 		switch ((token = yylex())) {
381 		case TLET:
382 			c1 = letter;
383 			break;
384 		case TNUM:
385 			c1 = number;
386 			break;
387 		default:
388 			return -1;
389 		}
390 		switch ((token = yylex())) {
391 		case TLET:
392 			c2 = letter;
393 			break;
394 		case TNUM:
395 			c2 = number;
396 			break;
397 		default:
398 			return -1;
399 		}
400 		if ((token = yylex()) != ')')
401 			return -1;
402 		if (i >= NUM_ACCENTCHARS) {
403 			warnx("too many accented characters, ignored");
404 			continue;
405 		}
406 		map->acc[accent].map[i][0] = c1;
407 		map->acc[accent].map[i][1] = c2;
408 		++i;
409 	}
410 	return (accent + 1);
411 }
412 
413 static void
414 print_entry(FILE *fp, int value)
415 {
416 	int val = value & ~SPECIAL;
417 
418 	switch (value) {
419 	case NOP | SPECIAL:
420 		fprintf(fp, " nop   ");
421 		break;
422 	case LSH | SPECIAL:
423 		fprintf(fp, " lshift");
424 		break;
425 	case RSH | SPECIAL:
426 		fprintf(fp, " rshift");
427 		break;
428 	case CLK | SPECIAL:
429 		fprintf(fp, " clock ");
430 		break;
431 	case NLK | SPECIAL:
432 		fprintf(fp, " nlock ");
433 		break;
434 	case SLK | SPECIAL:
435 		fprintf(fp, " slock ");
436 		break;
437 	case BTAB | SPECIAL:
438 		fprintf(fp, " btab  ");
439 		break;
440 	case LALT | SPECIAL:
441 		fprintf(fp, " lalt  ");
442 		break;
443 	case LCTR | SPECIAL:
444 		fprintf(fp, " lctrl ");
445 		break;
446 	case NEXT | SPECIAL:
447 		fprintf(fp, " nscr  ");
448 		break;
449 	case PREV | SPECIAL:
450 		fprintf(fp, " pscr  ");
451 		break;
452 	case RCTR | SPECIAL:
453 		fprintf(fp, " rctrl ");
454 		break;
455 	case RALT | SPECIAL:
456 		fprintf(fp, " ralt  ");
457 		break;
458 	case ALK | SPECIAL:
459 		fprintf(fp, " alock ");
460 		break;
461 	case ASH | SPECIAL:
462 		fprintf(fp, " ashift");
463 		break;
464 	case META | SPECIAL:
465 		fprintf(fp, " meta  ");
466 		break;
467 	case RBT | SPECIAL:
468 		fprintf(fp, " boot  ");
469 		break;
470 	case DBG | SPECIAL:
471 		fprintf(fp, " debug ");
472 		break;
473 	case SUSP | SPECIAL:
474 		fprintf(fp, " susp  ");
475 		break;
476 	case SPSC | SPECIAL:
477 		fprintf(fp, " saver ");
478 		break;
479 	case PNC | SPECIAL:
480 		fprintf(fp, " panic ");
481 		break;
482 	case LSHA | SPECIAL:
483 		fprintf(fp, " lshifta");
484 		break;
485 	case RSHA | SPECIAL:
486 		fprintf(fp, " rshifta");
487 		break;
488 	case LCTRA | SPECIAL:
489 		fprintf(fp, " lctrla");
490 		break;
491 	case RCTRA | SPECIAL:
492 		fprintf(fp, " rctrla");
493 		break;
494 	case LALTA | SPECIAL:
495 		fprintf(fp, " lalta ");
496 		break;
497 	case RALTA | SPECIAL:
498 		fprintf(fp, " ralta ");
499 		break;
500 	case HALT | SPECIAL:
501 		fprintf(fp, " halt  ");
502 		break;
503 	case PDWN | SPECIAL:
504 		fprintf(fp, " pdwn  ");
505 		break;
506 	case PASTE | SPECIAL:
507 		fprintf(fp, " paste ");
508 		break;
509 	default:
510 		if (value & SPECIAL) {
511 		 	if (val >= F_FN && val <= L_FN)
512 				fprintf(fp, " fkey%02d", val - F_FN + 1);
513 		 	else if (val >= F_SCR && val <= L_SCR)
514 				fprintf(fp, " scr%02d ", val - F_SCR + 1);
515 		 	else if (val >= F_ACC && val <= L_ACC)
516 				fprintf(fp, " %-6s", acc_names[val - F_ACC]);
517 			else if (hex)
518 				fprintf(fp, " 0x%02x  ", val);
519 			else
520 				fprintf(fp, " %3d   ", val);
521 		}
522 		else {
523 			if (val < ' ')
524 				fprintf(fp, " %s   ", ctrl_names[val]);
525 			else if (val == 127)
526 				fprintf(fp, " del   ");
527 			else if (isascii(val) && isprint(val))
528 				fprintf(fp, " '%c'   ", val);
529 			else if (hex)
530 				fprintf(fp, " 0x%02x  ", val);
531 			else
532 				fprintf(fp, " %3d   ", val);
533 		}
534 	}
535 }
536 
537 static void
538 print_key_definition_line(FILE *fp, int scancode, struct keyent_t *key)
539 {
540 	int i;
541 
542 	/* print scancode number */
543 	if (hex)
544 		fprintf(fp, " 0x%02x  ", scancode);
545 	else
546 		fprintf(fp, "  %03d  ", scancode);
547 
548 	/* print key definitions */
549 	for (i=0; i<NUM_STATES; i++) {
550 		if (key->spcl & (0x80 >> i))
551 			print_entry(fp, key->map[i] | SPECIAL);
552 		else
553 			print_entry(fp, key->map[i]);
554 	}
555 
556 	/* print lock state key def */
557 	switch (key->flgs) {
558 	case 0:
559 		fprintf(fp, "  O\n");
560 		break;
561 	case 1:
562 		fprintf(fp, "  C\n");
563 		break;
564 	case 2:
565 		fprintf(fp, "  N\n");
566 		break;
567 	case 3:
568 		fprintf(fp, "  B\n");
569 		break;
570 	}
571 }
572 
573 static void
574 print_accent_definition_line(FILE *fp, int accent, struct acc_t *key)
575 {
576 	int c;
577 	int i;
578 
579 	if (key->accchar == 0)
580 		return;
581 
582 	/* print accent number */
583 	fprintf(fp, "  %-6s", acc_names[accent]);
584 	if (isascii(key->accchar) && isprint(key->accchar))
585 		fprintf(fp, "'%c'  ", key->accchar);
586 	else if (hex)
587 		fprintf(fp, "0x%02x ", key->accchar);
588 	else
589 		fprintf(fp, "%03d  ", key->accchar);
590 
591 	for (i = 0; i < NUM_ACCENTCHARS; ++i) {
592 		c = key->map[i][0];
593 		if (c == 0)
594 			break;
595 		if ((i > 0) && ((i % 4) == 0))
596 			fprintf(fp, "\n             ");
597 		if (isascii(c) && isprint(c))
598 			fprintf(fp, "( '%c' ", c);
599 		else if (hex)
600 			fprintf(fp, "(0x%02x ", c);
601 		else
602 			fprintf(fp, "( %03d ", c);
603 		c = key->map[i][1];
604 		if (isascii(c) && isprint(c))
605 			fprintf(fp, "'%c' ) ", c);
606 		else if (hex)
607 			fprintf(fp, "0x%02x) ", c);
608 		else
609 			fprintf(fp, "%03d ) ", c);
610 	}
611 	fprintf(fp, "\n");
612 }
613 
614 static void
615 dump_entry(int value)
616 {
617 	if (value & SPECIAL) {
618 		value &= ~SPECIAL;
619 		switch (value) {
620 		case NOP:
621 			printf("  NOP, ");
622 			break;
623 		case LSH:
624 			printf("  LSH, ");
625 			break;
626 		case RSH:
627 			printf("  RSH, ");
628 			break;
629 		case CLK:
630 			printf("  CLK, ");
631 			break;
632 		case NLK:
633 			printf("  NLK, ");
634 			break;
635 		case SLK:
636 			printf("  SLK, ");
637 			break;
638 		case BTAB:
639 			printf(" BTAB, ");
640 			break;
641 		case LALT:
642 			printf(" LALT, ");
643 			break;
644 		case LCTR:
645 			printf(" LCTR, ");
646 			break;
647 		case NEXT:
648 			printf(" NEXT, ");
649 			break;
650 		case PREV:
651 			printf(" PREV, ");
652 			break;
653 		case RCTR:
654 			printf(" RCTR, ");
655 			break;
656 		case RALT:
657 			printf(" RALT, ");
658 			break;
659 		case ALK:
660 			printf("  ALK, ");
661 			break;
662 		case ASH:
663 			printf("  ASH, ");
664 			break;
665 		case META:
666 			printf(" META, ");
667 			break;
668 		case RBT:
669 			printf("  RBT, ");
670 			break;
671 		case DBG:
672 			printf("  DBG, ");
673 			break;
674 		case SUSP:
675 			printf(" SUSP, ");
676 			break;
677 		case SPSC:
678 			printf(" SPSC, ");
679 			break;
680 		case PNC:
681 			printf("  PNC, ");
682 			break;
683 		case LSHA:
684 			printf(" LSHA, ");
685 			break;
686 		case RSHA:
687 			printf(" RSHA, ");
688 			break;
689 		case LCTRA:
690 			printf("LCTRA, ");
691 			break;
692 		case RCTRA:
693 			printf("RCTRA, ");
694 			break;
695 		case LALTA:
696 			printf("LALTA, ");
697 			break;
698 		case RALTA:
699 			printf("RALTA, ");
700 			break;
701 		case HALT:
702 			printf(" HALT, ");
703 			break;
704 		case PDWN:
705 			printf(" PDWN, ");
706 			break;
707 		case PASTE:
708 			printf("PASTE, ");
709 			break;
710 		default:
711 	 		if (value >= F_FN && value <= L_FN)
712 				printf(" F(%2d),", value - F_FN + 1);
713 	 		else if (value >= F_SCR && value <= L_SCR)
714 				printf(" S(%2d),", value - F_SCR + 1);
715 	 		else if (value >= F_ACC && value <= L_ACC)
716 				printf(" %-4s, ", acc_names_u[value - F_ACC]);
717 			else
718 				printf(" 0x%02X, ", value);
719 			break;
720 		}
721 	} else if (value == '\'') {
722 		printf(" '\\'', ");
723 	} else if (value == '\\') {
724 		printf(" '\\\\', ");
725 	} else if (isascii(value) && isprint(value)) {
726 		printf("  '%c', ", value);
727 	} else {
728 		printf(" 0x%02X, ", value);
729 	}
730 }
731 
732 static void
733 dump_key_definition(char *name, keymap_t *keymap)
734 {
735 	int	i, j;
736 
737 	printf("static keymap_t keymap_%s = { 0x%02x, {\n",
738 	       name, (unsigned)keymap->n_keys);
739 	printf(
740 "/*                                                         alt\n"
741 " * scan                       cntrl          alt    alt   cntrl\n"
742 " * code  base   shift  cntrl  shift   alt   shift  cntrl  shift    spcl flgs\n"
743 " * ---------------------------------------------------------------------------\n"
744 " */\n");
745 	for (i = 0; i < keymap->n_keys; i++) {
746 		printf("/*%02x*/{{", i);
747 		for (j = 0; j < NUM_STATES; j++) {
748 			if (keymap->key[i].spcl & (0x80 >> j))
749 				dump_entry(keymap->key[i].map[j] | SPECIAL);
750 			else
751 				dump_entry(keymap->key[i].map[j]);
752 		}
753 		printf("}, 0x%02X,0x%02X },\n",
754 		       (unsigned)keymap->key[i].spcl,
755 		       (unsigned)keymap->key[i].flgs);
756 	}
757 	printf("} };\n\n");
758 }
759 
760 static void
761 dump_accent_definition(char *name, accentmap_t *accentmap)
762 {
763 	int i, j;
764 	int c;
765 
766 	printf("static accentmap_t accentmap_%s = { %d",
767 		name, accentmap->n_accs);
768 	if (accentmap->n_accs <= 0) {
769 		printf(" };\n\n");
770 		return;
771 	}
772 	printf(", {\n");
773 	for (i = 0; i < NUM_DEADKEYS; i++) {
774 		printf("    /* %s=%d */\n    {", acc_names[i], i);
775 		c = accentmap->acc[i].accchar;
776 		if (c == '\'')
777 			printf(" '\\'', {");
778 		else if (c == '\\')
779 			printf(" '\\\\', {");
780 		else if (isascii(c) && isprint(c))
781 			printf("  '%c', {", c);
782 		else if (c == 0) {
783 			printf(" 0x00 }, \n");
784 			continue;
785 		} else
786 			printf(" 0x%02x, {", c);
787 		for (j = 0; j < NUM_ACCENTCHARS; j++) {
788 			c = accentmap->acc[i].map[j][0];
789 			if (c == 0)
790 				break;
791 			if ((j > 0) && ((j % 4) == 0))
792 				printf("\n\t     ");
793 			if (isascii(c) && isprint(c))
794 				printf(" {  '%c',", c);
795 			else
796 				printf(" { 0x%02x,", c);
797 			printf("0x%02x },", accentmap->acc[i].map[j][1]);
798 		}
799 		printf(" }, },\n");
800 	}
801 	printf("} };\n\n");
802 }
803 
804 static void
805 add_keymap_path(const char *path)
806 {
807 	struct pathent* pe;
808 	size_t len;
809 
810 	len = strlen(path);
811 	if ((pe = malloc(sizeof(*pe))) == NULL ||
812 	    (pe->path = malloc(len + 2)) == NULL)
813 		err(1, "malloc");
814 	memcpy(pe->path, path, len);
815 	if (len > 0 && path[len - 1] != '/')
816 		pe->path[len++] = '/';
817 	pe->path[len] = '\0';
818 	STAILQ_INSERT_TAIL(&pathlist, pe, next);
819 }
820 
821 static void
822 load_keymap(char *opt, int dumponly)
823 {
824 	keymap_t keymap;
825 	accentmap_t accentmap;
826 	struct pathent *pe;
827 	FILE	*file;
828 	int	j;
829 	char	*name, *cp;
830 	char	blank[] = "", keymap_path[] = KEYMAP_PATH;
831 	char	vt_keymap_path[] = VT_KEYMAP_PATH, dotkbd[] = ".kbd";
832 	char	*postfix[] = {blank, dotkbd, NULL};
833 
834 	if (!paths_configured) {
835 		cp = getenv("KEYMAP_PATH");
836 		if (cp != NULL)
837 			add_keymap_path(cp);
838 		add_keymap_path("");
839 		if (is_vt4())
840 			add_keymap_path(vt_keymap_path);
841 		else
842 			add_keymap_path(keymap_path);
843 		paths_configured = 1;
844 	}
845 
846 	file = NULL;
847 	STAILQ_FOREACH(pe, &pathlist, next) {
848 		for (j=0; postfix[j] && file == NULL; j++) {
849 			name = mkfullname(pe->path, opt, postfix[j]);
850 			file = fopen(name, "r");
851 			if (file != NULL)
852 				break;
853 		}
854 	}
855 	if (file == NULL) {
856 		warn("keymap file \"%s\" not found", opt);
857 		return;
858 	}
859 	memset(&keymap, 0, sizeof(keymap));
860 	memset(&accentmap, 0, sizeof(accentmap));
861 	token = -1;
862 	while (1) {
863 		if (get_definition_line(file, &keymap, &accentmap) < 0)
864 			break;
865     	}
866 	if (dumponly) {
867 		/* fix up the filename to make it a valid C identifier */
868 		for (cp = opt; *cp; cp++)
869 			if (!isalpha(*cp) && !isdigit(*cp)) *cp = '_';
870 		printf("/*\n"
871 		       " * Automatically generated from %s.\n"
872 	               " * DO NOT EDIT!\n"
873 		       " */\n", name);
874 		dump_key_definition(opt, &keymap);
875 		dump_accent_definition(opt, &accentmap);
876 		return;
877 	}
878 	if ((keymap.n_keys > 0) && (ioctl(0, PIO_KEYMAP, &keymap) < 0)) {
879 		warn("setting keymap");
880 		fclose(file);
881 		return;
882 	}
883 	if ((accentmap.n_accs > 0)
884 		&& (ioctl(0, PIO_DEADKEYMAP, &accentmap) < 0)) {
885 		warn("setting accentmap");
886 		fclose(file);
887 		return;
888 	}
889 }
890 
891 static void
892 print_keymap(void)
893 {
894 	keymap_t keymap;
895 	accentmap_t accentmap;
896 	int i;
897 
898 	if (ioctl(0, GIO_KEYMAP, &keymap) < 0)
899 		err(1, "getting keymap");
900 	if (ioctl(0, GIO_DEADKEYMAP, &accentmap) < 0)
901 		memset(&accentmap, 0, sizeof(accentmap));
902     	printf(
903 "#                                                         alt\n"
904 "# scan                       cntrl          alt    alt   cntrl lock\n"
905 "# code  base   shift  cntrl  shift  alt    shift  cntrl  shift state\n"
906 "# ------------------------------------------------------------------\n"
907     	);
908 	for (i=0; i<keymap.n_keys; i++)
909 		print_key_definition_line(stdout, i, &keymap.key[i]);
910 
911 	printf("\n");
912 	for (i = 0; i < NUM_DEADKEYS; i++)
913 		print_accent_definition_line(stdout, i, &accentmap.acc[i]);
914 
915 }
916 
917 static void
918 load_default_functionkeys(void)
919 {
920 	fkeyarg_t fkey;
921 	int i;
922 
923 	for (i=0; i<NUM_FKEYS; i++) {
924 		fkey.keynum = i;
925 		strcpy(fkey.keydef, fkey_table[i]);
926 		fkey.flen = strlen(fkey_table[i]);
927 		if (ioctl(0, SETFKEY, &fkey) < 0)
928 			warn("setting function key");
929 	}
930 }
931 
932 static void
933 set_functionkey(char *keynumstr, char *string)
934 {
935 	fkeyarg_t fkey;
936 
937 	if (!strcmp(keynumstr, "load") && !strcmp(string, "default")) {
938 		load_default_functionkeys();
939 		return;
940 	}
941 	fkey.keynum = atoi(keynumstr);
942 	if (fkey.keynum < 1 || fkey.keynum > NUM_FKEYS) {
943 		warnx("function key number must be between 1 and %d",
944 			NUM_FKEYS);
945 		return;
946 	}
947 	if ((fkey.flen = strlen(string)) > MAXFK) {
948 		warnx("function key string too long (%d > %d)",
949 			fkey.flen, MAXFK);
950 		return;
951 	}
952 	strncpy(fkey.keydef, string, MAXFK);
953 	fkey.keynum -= 1;
954 	if (ioctl(0, SETFKEY, &fkey) < 0)
955 		warn("setting function key");
956 }
957 
958 static void
959 set_bell_values(char *opt)
960 {
961 	int bell, duration, pitch;
962 
963 	bell = 0;
964 	duration = 0;
965 	pitch = 0;
966 	if (!strncmp(opt, "quiet.", 6)) {
967 		bell = CONS_QUIET_BELL;
968 		opt += 6;
969 	}
970 	if (!strcmp(opt, "visual"))
971 		bell |= CONS_VISUAL_BELL;
972 	else if (!strcmp(opt, "normal"))
973 		duration = 5, pitch = 800;
974 	else if (!strcmp(opt, "off"))
975 		duration = 0, pitch = 0;
976 	else {
977 		char		*v1;
978 
979 		bell = 0;
980 		duration = strtol(opt, &v1, 0);
981 		if ((duration < 0) || (*v1 != '.'))
982 			goto badopt;
983 		opt = ++v1;
984 		pitch = strtol(opt, &v1, 0);
985 		if ((pitch < 0) || (*opt == '\0') || (*v1 != '\0')) {
986 badopt:
987 			warnx("argument to -b must be duration.pitch or [quiet.]visual|normal|off");
988 			return;
989 		}
990 		if (pitch != 0)
991 			pitch = 1193182 / pitch;	/* in Hz */
992 		duration /= 10;	/* in 10 m sec */
993 	}
994 
995 	ioctl(0, CONS_BELLTYPE, &bell);
996 	if (duration > 0 && pitch > 0)
997 		fprintf(stderr, "\e[=%d;%dB", pitch, duration);
998 }
999 
1000 static void
1001 set_keyrates(char *opt)
1002 {
1003 	int arg[2];
1004 	int repeat;
1005 	int delay;
1006 	int r, d;
1007 
1008 	if (!strcmp(opt, "slow")) {
1009 		delay = 1000, repeat = 500;
1010 		d = 3, r = 31;
1011 	} else if (!strcmp(opt, "normal")) {
1012 		delay = 500, repeat = 125;
1013 		d = 1, r = 15;
1014 	} else if (!strcmp(opt, "fast")) {
1015 		delay = repeat = 0;
1016 		d = r = 0;
1017 	} else {
1018 		int		n;
1019 		char		*v1;
1020 
1021 		delay = strtol(opt, &v1, 0);
1022 		if ((delay < 0) || (*v1 != '.'))
1023 			goto badopt;
1024 		opt = ++v1;
1025 		repeat = strtol(opt, &v1, 0);
1026 		if ((repeat < 0) || (*opt == '\0') || (*v1 != '\0')) {
1027 badopt:
1028 			warnx("argument to -r must be delay.repeat or slow|normal|fast");
1029 			return;
1030 		}
1031 		for (n = 0; n < ndelays - 1; n++)
1032 			if (delay <= delays[n])
1033 				break;
1034 		d = n;
1035 		for (n = 0; n < nrepeats - 1; n++)
1036 			if (repeat <= repeats[n])
1037 				break;
1038 		r = n;
1039 	}
1040 
1041 	arg[0] = delay;
1042 	arg[1] = repeat;
1043 	if (ioctl(0, KDSETREPEAT, arg)) {
1044 		if (ioctl(0, KDSETRAD, (d << 5) | r))
1045 			warn("setting keyboard rate");
1046 	}
1047 }
1048 
1049 static const char *
1050 get_kbd_type_name(int type)
1051 {
1052 	static struct {
1053 		int type;
1054 		const char *name;
1055 	} name_table[] = {
1056 		{ KB_84,	"AT 84" },
1057 		{ KB_101,	"AT 101/102" },
1058 		{ KB_OTHER,	"generic" },
1059 	};
1060 	unsigned int i;
1061 
1062 	for (i = 0; i < sizeof(name_table)/sizeof(name_table[0]); ++i) {
1063 		if (type == name_table[i].type)
1064 			return name_table[i].name;
1065 	}
1066 	return "unknown";
1067 }
1068 
1069 static void
1070 show_kbd_info(void)
1071 {
1072 	keyboard_info_t info;
1073 
1074 	if (ioctl(0, KDGKBINFO, &info) == -1) {
1075 		warn("unable to obtain keyboard information");
1076 		return;
1077 	}
1078 	printf("kbd%d:\n", info.kb_index);
1079 	printf("    %.*s%d, type:%s (%d)\n",
1080 		(int)sizeof(info.kb_name), info.kb_name, info.kb_unit,
1081 		get_kbd_type_name(info.kb_type), info.kb_type);
1082 }
1083 
1084 static void
1085 set_keyboard(char *device)
1086 {
1087 	keyboard_info_t info;
1088 	int fd;
1089 
1090 	fd = open(device, O_RDONLY);
1091 	if (fd < 0) {
1092 		warn("cannot open %s", device);
1093 		return;
1094 	}
1095 	if (ioctl(fd, KDGKBINFO, &info) == -1) {
1096 		warn("unable to obtain keyboard information");
1097 		close(fd);
1098 		return;
1099 	}
1100 	/*
1101 	 * The keyboard device driver won't release the keyboard by
1102 	 * the following ioctl, but it automatically will, when the device
1103 	 * is closed.  So, we don't check error here.
1104 	 */
1105 	ioctl(fd, CONS_RELKBD, 0);
1106 	close(fd);
1107 #if 1
1108 	printf("kbd%d\n", info.kb_index);
1109 	printf("    %.*s%d, type:%s (%d)\n",
1110 		(int)sizeof(info.kb_name), info.kb_name, info.kb_unit,
1111 		get_kbd_type_name(info.kb_type), info.kb_type);
1112 #endif
1113 
1114 	if (ioctl(0, CONS_SETKBD, info.kb_index) == -1)
1115 		warn("unable to set keyboard");
1116 }
1117 
1118 static void
1119 release_keyboard(void)
1120 {
1121 	keyboard_info_t info;
1122 
1123 	/*
1124 	 * If stdin is not associated with a keyboard, the following ioctl
1125 	 * will fail.
1126 	 */
1127 	if (ioctl(0, KDGKBINFO, &info) == -1) {
1128 		warn("unable to obtain keyboard information");
1129 		return;
1130 	}
1131 #if 1
1132 	printf("kbd%d\n", info.kb_index);
1133 	printf("    %.*s%d, type:%s (%d)\n",
1134 		(int)sizeof(info.kb_name), info.kb_name, info.kb_unit,
1135 		get_kbd_type_name(info.kb_type), info.kb_type);
1136 #endif
1137 	if (ioctl(0, CONS_RELKBD, 0) == -1)
1138 		warn("unable to release the keyboard");
1139 }
1140 
1141 static void
1142 mux_keyboard(u_int op, char *kbd)
1143 {
1144 	keyboard_info_t	info;
1145 	char		*unit, *ep;
1146 
1147 	/*
1148 	 * If stdin is not associated with a keyboard, the following ioctl
1149 	 * will fail.
1150 	 */
1151 	if (ioctl(0, KDGKBINFO, &info) == -1) {
1152 		warn("unable to obtain keyboard information");
1153 		return;
1154 	}
1155 #if 1
1156 	printf("kbd%d\n", info.kb_index);
1157 	printf("    %.*s%d, type:%s (%d)\n",
1158 		(int)sizeof(info.kb_name), info.kb_name, info.kb_unit,
1159 		get_kbd_type_name(info.kb_type), info.kb_type);
1160 #endif
1161 	/*
1162 	 * split kbd into name and unit. find the right most part of the
1163 	 * kbd string that consist of only digits.
1164 	 */
1165 
1166 	memset(&info, 0, sizeof(info));
1167 
1168 	info.kb_unit = -1;
1169 	ep = kbd - 1;
1170 
1171 	do {
1172 		unit = strpbrk(ep + 1, "0123456789");
1173 		if (unit != NULL) {
1174 			info.kb_unit = strtol(unit, &ep, 10);
1175 			if (*ep != '\0')
1176 				info.kb_unit = -1;
1177 		}
1178 	} while (unit != NULL && info.kb_unit == -1);
1179 
1180 	if (info.kb_unit == -1) {
1181 		warnx("unable to find keyboard driver unit in '%s'", kbd);
1182 		return;
1183 	}
1184 
1185 	if (unit == kbd) {
1186 		warnx("unable to find keyboard driver name in '%s'", kbd);
1187 		return;
1188 	}
1189 	if (unit - kbd >= (int) sizeof(info.kb_name)) {
1190 		warnx("keyboard name '%s' is too long", kbd);
1191 		return;
1192 	}
1193 
1194 	strncpy(info.kb_name, kbd, unit - kbd);
1195 
1196 	/*
1197 	 * If stdin is not associated with a kbdmux(4) keyboard, the following
1198 	 * ioctl will fail.
1199 	 */
1200 
1201 	if (ioctl(0, op, &info) == -1)
1202 		warn("unable to (un)mux the keyboard");
1203 }
1204 
1205 static void
1206 usage(void)
1207 {
1208 	fprintf(stderr, "%s\n%s\n%s\n",
1209 "usage: kbdcontrol [-dFKix] [-A name] [-a name] [-b duration.pitch | [quiet.]belltype]",
1210 "                  [-r delay.repeat | speed] [-l mapfile] [-f # string]",
1211 "                  [-k device] [-L mapfile] [-P path]");
1212 	exit(1);
1213 }
1214 
1215 
1216 int
1217 main(int argc, char **argv)
1218 {
1219 	const char	*optstring = "A:a:b:df:iKk:Fl:L:P:r:x";
1220 	int		opt;
1221 
1222 	/* Collect any -P arguments, regardless of where they appear. */
1223 	while ((opt = getopt(argc, argv, optstring)) != -1)
1224 		if (opt == 'P')
1225 			add_keymap_path(optarg);
1226 
1227 	optind = optreset = 1;
1228 	while ((opt = getopt(argc, argv, optstring)) != -1)
1229 		switch(opt) {
1230 		case 'A':
1231 		case 'a':
1232 			mux_keyboard((opt == 'A')? KBRELKBD : KBADDKBD, optarg);
1233 			break;
1234 		case 'b':
1235 			set_bell_values(optarg);
1236 			break;
1237 		case 'd':
1238 			print_keymap();
1239 			break;
1240 		case 'l':
1241 			load_keymap(optarg, 0);
1242 			break;
1243 		case 'L':
1244 			load_keymap(optarg, 1);
1245 			break;
1246 		case 'P':
1247 			break;
1248 		case 'f':
1249 			set_functionkey(optarg,
1250 			    nextarg(argc, argv, &optind, 'f'));
1251 			break;
1252 		case 'F':
1253 			load_default_functionkeys();
1254 			break;
1255 		case 'i':
1256 			show_kbd_info();
1257 			break;
1258 		case 'K':
1259 			release_keyboard();
1260 			break;
1261 		case 'k':
1262 			set_keyboard(optarg);
1263 			break;
1264 		case 'r':
1265 			set_keyrates(optarg);
1266 			break;
1267 		case 'x':
1268 			hex = 1;
1269 			break;
1270 		default:
1271 			usage();
1272 		}
1273 	if ((optind != argc) || (argc == 1))
1274 		usage();
1275 	exit(0);
1276 }
1277