xref: /freebsd/usr.sbin/kbdcontrol/kbdcontrol.c (revision 96190b4fef3b4a0cc3ca0606b0c4e3e69a5e6717)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 #include <ctype.h>
33 #include <err.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <unistd.h>
38 #include <fcntl.h>
39 #include <sys/kbio.h>
40 #include <sys/consio.h>
41 #include <sys/param.h>
42 #include <sys/queue.h>
43 #include <sys/sysctl.h>
44 #include "path.h"
45 #include "lex.h"
46 
47 #define	SPECIAL		0x80000000
48 
49 #ifndef BOOTSTRAP_KBDCONTROL
50 static const char ctrl_names[32][4] = {
51 	"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
52 	"bs ", "ht ", "nl ", "vt ", "ff ", "cr ", "so ", "si ",
53 	"dle", "dc1", "dc2", "dc3", "dc4", "nak", "syn", "etb",
54 	"can", "em ", "sub", "esc", "fs ", "gs ", "rs ", "us "
55 	};
56 #endif
57 
58 static const char acc_names[15][5] = {
59 	"dgra", "dacu", "dcir", "dtil", "dmac", "dbre", "ddot",
60 	"duml", "dsla", "drin", "dced", "dapo", "ddac", "dogo",
61 	"dcar",
62 	};
63 
64 static const char acc_names_u[15][5] = {
65 	"DGRA", "DACU", "DCIR", "DTIL", "DMAC", "DBRE", "DDOT",
66 	"DUML", "DSLA", "DRIN", "DCED", "DAPO", "DDAC", "DOGO",
67 	"DCAR",
68 	};
69 
70 #ifndef BOOTSTRAP_KBDCONTROL
71 static const char fkey_table[96][MAXFK] = {
72 /* 01-04 */	"\033[M", "\033[N", "\033[O", "\033[P",
73 /* 05-08 */	"\033[Q", "\033[R", "\033[S", "\033[T",
74 /* 09-12 */	"\033[U", "\033[V", "\033[W", "\033[X",
75 /* 13-16 */	"\033[Y", "\033[Z", "\033[a", "\033[b",
76 /* 17-20 */	"\033[c", "\033[d", "\033[e", "\033[f",
77 /* 21-24 */	"\033[g", "\033[h", "\033[i", "\033[j",
78 /* 25-28 */	"\033[k", "\033[l", "\033[m", "\033[n",
79 /* 29-32 */	"\033[o", "\033[p", "\033[q", "\033[r",
80 /* 33-36 */	"\033[s", "\033[t", "\033[u", "\033[v",
81 /* 37-40 */	"\033[w", "\033[x", "\033[y", "\033[z",
82 /* 41-44 */	"\033[@", "\033[[", "\033[\\","\033[]",
83 /* 45-48 */     "\033[^", "\033[_", "\033[`", "\033[{",
84 /* 49-52 */	"\033[H", "\033[A", "\033[I", "-"     ,
85 /* 53-56 */	"\033[D", "\033[E", "\033[C", "+"     ,
86 /* 57-60 */	"\033[F", "\033[B", "\033[G", "\033[L",
87 /* 61-64 */     "\177",   "\033[J", "\033[~", "\033[}",
88 /* 65-68 */	""      , ""      , ""      , ""      ,
89 /* 69-72 */	""      , ""      , ""      , ""      ,
90 /* 73-76 */	""      , ""      , ""      , ""      ,
91 /* 77-80 */	""      , ""      , ""      , ""      ,
92 /* 81-84 */	""      , ""      , ""      , ""      ,
93 /* 85-88 */	""      , ""      , ""      , ""      ,
94 /* 89-92 */	""      , ""      , ""      , ""      ,
95 /* 93-96 */	""      , ""      , ""      , ""      ,
96 	};
97 #endif
98 
99 #ifndef BOOTSTRAP_KBDCONTROL
100 static const int ndelays = nitems(kbdelays);
101 static const int nrepeats = nitems(kbrates);
102 static int	hex = 0;
103 #endif
104 static int	paths_configured = 0;
105 static int	token;
106 
107 int		number;
108 char		letter;
109 
110 static void	add_keymap_path(const char *path);
111 static void	dump_accent_definition(char *name, accentmap_t *accentmap);
112 static void	dump_entry(int value);
113 static void	dump_key_definition(char *name, keymap_t *keymap);
114 static int	get_accent_definition_line(accentmap_t *);
115 static int	get_entry(void);
116 static int	get_key_definition_line(keymap_t *);
117 static void	load_keymap(char *opt, int dumponly);
118 #ifndef BOOTSTRAP_KBDCONTROL
119 static void	load_default_functionkeys(void);
120 #endif
121 static char *	nextarg(int ac, char **av, int *indp, int oc);
122 static char *	mkfullname(const char *s1, const char *s2, const char *s3);
123 #ifndef BOOTSTRAP_KBDCONTROL
124 static void	print_accent_definition_line(FILE *fp, int accent,
125 		struct acc_t *key);
126 static void	print_entry(FILE *fp, int value);
127 static void	print_key_definition_line(FILE *fp, int scancode,
128 		struct keyent_t *key);
129 static void	print_keymap(void);
130 static void	release_keyboard(void);
131 static void	mux_keyboard(u_int op, char *kbd);
132 static void	set_bell_values(char *opt);
133 static void	set_functionkey(char *keynumstr, char *string);
134 static void	set_keyboard(char *device);
135 static void	set_keyrates(char *opt);
136 static void	show_kbd_info(void);
137 #endif
138 static void	usage(void) __dead2;
139 
140 struct pathent {
141 	STAILQ_ENTRY(pathent) next;
142 	char *path;
143 };
144 static STAILQ_HEAD(, pathent) pathlist = STAILQ_HEAD_INITIALIZER(pathlist);
145 
146 #ifndef BOOTSTRAP_KBDCONTROL
147 /* Detect presence of vt(4). */
148 static int
149 is_vt4(void)
150 {
151 	char vty_name[4] = "";
152 	size_t len = sizeof(vty_name);
153 
154 	if (sysctlbyname("kern.vty", vty_name, &len, NULL, 0) != 0)
155 		return (0);
156 	return (strcmp(vty_name, "vt") == 0);
157 }
158 #endif
159 
160 static char *
161 nextarg(int ac, char **av, int *indp, int oc)
162 {
163 	if (*indp < ac)
164 		return(av[(*indp)++]);
165 	warnx("option requires two arguments -- %c", oc);
166 	usage();
167 }
168 
169 
170 static char *
171 mkfullname(const char *s1, const char *s2, const char *s3)
172 {
173 	static char	*buf = NULL;
174 	static int	bufl = 0;
175 	int		f;
176 
177 	f = strlen(s1) + strlen(s2) + strlen(s3) + 1;
178 	if (f > bufl) {
179 		if (buf)
180 			buf = (char *)realloc(buf, f);
181 		else
182 			buf = (char *)malloc(f);
183 	}
184 	if (!buf) {
185 		bufl = 0;
186 		return(NULL);
187 	}
188 
189 	bufl = f;
190 	strcpy(buf, s1);
191 	strcat(buf, s2);
192 	strcat(buf, s3);
193 	return(buf);
194 }
195 
196 
197 static int
198 get_entry(void)
199 {
200 	switch ((token = yylex())) {
201 	case TNOP:
202 		return NOP | SPECIAL;
203 	case TLSH:
204 		return LSH | SPECIAL;
205 	case TRSH:
206 		return RSH | SPECIAL;
207 	case TCLK:
208 		return CLK | SPECIAL;
209 	case TNLK:
210 		return NLK | SPECIAL;
211 	case TSLK:
212 		return SLK | SPECIAL;
213 	case TBTAB:
214 		return BTAB | SPECIAL;
215 	case TLALT:
216 		return LALT | SPECIAL;
217 	case TLCTR:
218 		return LCTR | SPECIAL;
219 	case TNEXT:
220 		return NEXT | SPECIAL;
221 	case TPREV:
222 		return PREV | SPECIAL;
223 	case TRCTR:
224 		return RCTR | SPECIAL;
225 	case TRALT:
226 		return RALT | SPECIAL;
227 	case TALK:
228 		return ALK | SPECIAL;
229 	case TASH:
230 		return ASH | SPECIAL;
231 	case TMETA:
232 		return META | SPECIAL;
233 	case TRBT:
234 		return RBT | SPECIAL;
235 	case TDBG:
236 		return DBG | SPECIAL;
237 	case TSUSP:
238 		return SUSP | SPECIAL;
239 	case TSPSC:
240 		return SPSC | SPECIAL;
241 	case TPANIC:
242 		return PNC | SPECIAL;
243 	case TLSHA:
244 		return LSHA | SPECIAL;
245 	case TRSHA:
246 		return RSHA | SPECIAL;
247 	case TLCTRA:
248 		return LCTRA | SPECIAL;
249 	case TRCTRA:
250 		return RCTRA | SPECIAL;
251 	case TLALTA:
252 		return LALTA | SPECIAL;
253 	case TRALTA:
254 		return RALTA | SPECIAL;
255 	case THALT:
256 		return HALT | SPECIAL;
257 	case TPDWN:
258 		return PDWN | SPECIAL;
259 	case TPASTE:
260 		return PASTE | SPECIAL;
261 	case TACC:
262 		if (ACC(number) > L_ACC)
263 			return -1;
264 		return ACC(number) | SPECIAL;
265 	case TFUNC:
266 		if (F(number) > L_FN)
267 			return -1;
268 		return F(number) | SPECIAL;
269 	case TSCRN:
270 		if (S(number) > L_SCR)
271 			return -1;
272 		return S(number) | SPECIAL;
273 	case TLET:
274 		return (unsigned char)letter;
275 	case TNUM:
276 		if (number < 0x000000 || number > 0x10FFFF)
277 			return -1;
278 		return number;
279 	default:
280 		return -1;
281 	}
282 }
283 
284 static int
285 get_definition_line(FILE *file, keymap_t *keymap, accentmap_t *accentmap)
286 {
287 	int c;
288 
289 	yyin = file;
290 
291 	if (token < 0)
292 		token = yylex();
293 	switch (token) {
294 	case TNUM:
295 		c = get_key_definition_line(keymap);
296 		if (c < 0)
297 			errx(1, "invalid key definition");
298 		if (c > keymap->n_keys)
299 			keymap->n_keys = c;
300 		break;
301 	case TACC:
302 		c = get_accent_definition_line(accentmap);
303 		if (c < 0)
304 			errx(1, "invalid accent key definition");
305 		if (c > accentmap->n_accs)
306 			accentmap->n_accs = c;
307 		break;
308 	case 0:
309 		/* EOF */
310 		return -1;
311 	default:
312 		errx(1, "illegal definition line");
313 	}
314 	return c;
315 }
316 
317 static int
318 get_key_definition_line(keymap_t *map)
319 {
320 	int i, def, scancode;
321 
322 	/* check scancode number */
323 	if (number < 0 || number >= NUM_KEYS)
324 		return -1;
325 	scancode = number;
326 
327 	/* get key definitions */
328 	map->key[scancode].spcl = 0;
329 	for (i=0; i<NUM_STATES; i++) {
330 		if ((def = get_entry()) == -1)
331 			return -1;
332 		if (def & SPECIAL)
333 			map->key[scancode].spcl |= (0x80 >> i);
334 		map->key[scancode].map[i] = def & ~SPECIAL;
335 	}
336 	/* get lock state key def */
337 	if ((token = yylex()) != TFLAG)
338 		return -1;
339 	map->key[scancode].flgs = number;
340 	token = yylex();
341 	return (scancode + 1);
342 }
343 
344 static int
345 get_accent_definition_line(accentmap_t *map)
346 {
347 	int accent;
348 	int c1, c2;
349 	int i;
350 
351 	if (ACC(number) < F_ACC || ACC(number) > L_ACC)
352 		/* number out of range */
353 		return -1;
354 	accent = number;
355 	if (map->acc[accent].accchar != 0) {
356 		/* this entry has already been defined before! */
357 		errx(1, "duplicated accent key definition");
358 	}
359 
360 	switch ((token = yylex())) {
361 	case TLET:
362 		map->acc[accent].accchar = letter;
363 		break;
364 	case TNUM:
365 		map->acc[accent].accchar = number;
366 		break;
367 	default:
368 		return -1;
369 	}
370 
371 	for (i = 0; (token = yylex()) == '(';) {
372 		switch ((token = yylex())) {
373 		case TLET:
374 			c1 = letter;
375 			break;
376 		case TNUM:
377 			c1 = number;
378 			break;
379 		default:
380 			return -1;
381 		}
382 		switch ((token = yylex())) {
383 		case TLET:
384 			c2 = letter;
385 			break;
386 		case TNUM:
387 			c2 = number;
388 			break;
389 		default:
390 			return -1;
391 		}
392 		if ((token = yylex()) != ')')
393 			return -1;
394 		if (i >= NUM_ACCENTCHARS) {
395 			warnx("too many accented characters, ignored");
396 			continue;
397 		}
398 		map->acc[accent].map[i][0] = c1;
399 		map->acc[accent].map[i][1] = c2;
400 		++i;
401 	}
402 	return (accent + 1);
403 }
404 
405 #ifndef BOOTSTRAP_KBDCONTROL
406 static void
407 print_entry(FILE *fp, int value)
408 {
409 	int val = value & ~SPECIAL;
410 
411 	switch (value) {
412 	case NOP | SPECIAL:
413 		fprintf(fp, " nop   ");
414 		break;
415 	case LSH | SPECIAL:
416 		fprintf(fp, " lshift");
417 		break;
418 	case RSH | SPECIAL:
419 		fprintf(fp, " rshift");
420 		break;
421 	case CLK | SPECIAL:
422 		fprintf(fp, " clock ");
423 		break;
424 	case NLK | SPECIAL:
425 		fprintf(fp, " nlock ");
426 		break;
427 	case SLK | SPECIAL:
428 		fprintf(fp, " slock ");
429 		break;
430 	case BTAB | SPECIAL:
431 		fprintf(fp, " btab  ");
432 		break;
433 	case LALT | SPECIAL:
434 		fprintf(fp, " lalt  ");
435 		break;
436 	case LCTR | SPECIAL:
437 		fprintf(fp, " lctrl ");
438 		break;
439 	case NEXT | SPECIAL:
440 		fprintf(fp, " nscr  ");
441 		break;
442 	case PREV | SPECIAL:
443 		fprintf(fp, " pscr  ");
444 		break;
445 	case RCTR | SPECIAL:
446 		fprintf(fp, " rctrl ");
447 		break;
448 	case RALT | SPECIAL:
449 		fprintf(fp, " ralt  ");
450 		break;
451 	case ALK | SPECIAL:
452 		fprintf(fp, " alock ");
453 		break;
454 	case ASH | SPECIAL:
455 		fprintf(fp, " ashift");
456 		break;
457 	case META | SPECIAL:
458 		fprintf(fp, " meta  ");
459 		break;
460 	case RBT | SPECIAL:
461 		fprintf(fp, " boot  ");
462 		break;
463 	case DBG | SPECIAL:
464 		fprintf(fp, " debug ");
465 		break;
466 	case SUSP | SPECIAL:
467 		fprintf(fp, " susp  ");
468 		break;
469 	case SPSC | SPECIAL:
470 		fprintf(fp, " saver ");
471 		break;
472 	case PNC | SPECIAL:
473 		fprintf(fp, " panic ");
474 		break;
475 	case LSHA | SPECIAL:
476 		fprintf(fp, " lshifta");
477 		break;
478 	case RSHA | SPECIAL:
479 		fprintf(fp, " rshifta");
480 		break;
481 	case LCTRA | SPECIAL:
482 		fprintf(fp, " lctrla");
483 		break;
484 	case RCTRA | SPECIAL:
485 		fprintf(fp, " rctrla");
486 		break;
487 	case LALTA | SPECIAL:
488 		fprintf(fp, " lalta ");
489 		break;
490 	case RALTA | SPECIAL:
491 		fprintf(fp, " ralta ");
492 		break;
493 	case HALT | SPECIAL:
494 		fprintf(fp, " halt  ");
495 		break;
496 	case PDWN | SPECIAL:
497 		fprintf(fp, " pdwn  ");
498 		break;
499 	case PASTE | SPECIAL:
500 		fprintf(fp, " paste ");
501 		break;
502 	default:
503 		if (value & SPECIAL) {
504 		 	if (val >= F_FN && val <= L_FN)
505 				fprintf(fp, " fkey%02d", val - F_FN + 1);
506 		 	else if (val >= F_SCR && val <= L_SCR)
507 				fprintf(fp, " scr%02d ", val - F_SCR + 1);
508 		 	else if (val >= F_ACC && val <= L_ACC)
509 				fprintf(fp, " %-6s", acc_names[val - F_ACC]);
510 			else if (hex)
511 				fprintf(fp, " 0x%02x  ", val);
512 			else
513 				fprintf(fp, " %3d   ", val);
514 		}
515 		else {
516 			if (val < ' ')
517 				fprintf(fp, " %s   ", ctrl_names[val]);
518 			else if (val == 127)
519 				fprintf(fp, " del   ");
520 			else if (isascii(val) && isprint(val))
521 				fprintf(fp, " '%c'   ", val);
522 			else if (hex)
523 				fprintf(fp, " 0x%02x  ", val);
524 			else
525 				fprintf(fp, " %3d   ", val);
526 		}
527 	}
528 }
529 
530 static void
531 print_key_definition_line(FILE *fp, int scancode, struct keyent_t *key)
532 {
533 	int i;
534 
535 	/* print scancode number */
536 	if (hex)
537 		fprintf(fp, " 0x%02x  ", scancode);
538 	else
539 		fprintf(fp, "  %03d  ", scancode);
540 
541 	/* print key definitions */
542 	for (i=0; i<NUM_STATES; i++) {
543 		if (key->spcl & (0x80 >> i))
544 			print_entry(fp, key->map[i] | SPECIAL);
545 		else
546 			print_entry(fp, key->map[i]);
547 	}
548 
549 	/* print lock state key def */
550 	switch (key->flgs) {
551 	case 0:
552 		fprintf(fp, "  O\n");
553 		break;
554 	case 1:
555 		fprintf(fp, "  C\n");
556 		break;
557 	case 2:
558 		fprintf(fp, "  N\n");
559 		break;
560 	case 3:
561 		fprintf(fp, "  B\n");
562 		break;
563 	}
564 }
565 
566 static void
567 print_accent_definition_line(FILE *fp, int accent, struct acc_t *key)
568 {
569 	int c;
570 	int i;
571 
572 	if (key->accchar == 0)
573 		return;
574 
575 	/* print accent number */
576 	fprintf(fp, "  %-6s", acc_names[accent]);
577 	if (isascii(key->accchar) && isprint(key->accchar))
578 		fprintf(fp, "'%c'  ", key->accchar);
579 	else if (hex)
580 		fprintf(fp, "0x%02x ", key->accchar);
581 	else
582 		fprintf(fp, "%03d  ", key->accchar);
583 
584 	for (i = 0; i < NUM_ACCENTCHARS; ++i) {
585 		c = key->map[i][0];
586 		if (c == 0)
587 			break;
588 		if ((i > 0) && ((i % 4) == 0))
589 			fprintf(fp, "\n             ");
590 		if (isascii(c) && isprint(c))
591 			fprintf(fp, "( '%c' ", c);
592 		else if (hex)
593 			fprintf(fp, "(0x%02x ", c);
594 		else
595 			fprintf(fp, "( %03d ", c);
596 		c = key->map[i][1];
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 	}
604 	fprintf(fp, "\n");
605 }
606 #endif
607 
608 static void
609 dump_entry(int value)
610 {
611 	if (value & SPECIAL) {
612 		value &= ~SPECIAL;
613 		switch (value) {
614 		case NOP:
615 			printf("  NOP, ");
616 			break;
617 		case LSH:
618 			printf("  LSH, ");
619 			break;
620 		case RSH:
621 			printf("  RSH, ");
622 			break;
623 		case CLK:
624 			printf("  CLK, ");
625 			break;
626 		case NLK:
627 			printf("  NLK, ");
628 			break;
629 		case SLK:
630 			printf("  SLK, ");
631 			break;
632 		case BTAB:
633 			printf(" BTAB, ");
634 			break;
635 		case LALT:
636 			printf(" LALT, ");
637 			break;
638 		case LCTR:
639 			printf(" LCTR, ");
640 			break;
641 		case NEXT:
642 			printf(" NEXT, ");
643 			break;
644 		case PREV:
645 			printf(" PREV, ");
646 			break;
647 		case RCTR:
648 			printf(" RCTR, ");
649 			break;
650 		case RALT:
651 			printf(" RALT, ");
652 			break;
653 		case ALK:
654 			printf("  ALK, ");
655 			break;
656 		case ASH:
657 			printf("  ASH, ");
658 			break;
659 		case META:
660 			printf(" META, ");
661 			break;
662 		case RBT:
663 			printf("  RBT, ");
664 			break;
665 		case DBG:
666 			printf("  DBG, ");
667 			break;
668 		case SUSP:
669 			printf(" SUSP, ");
670 			break;
671 		case SPSC:
672 			printf(" SPSC, ");
673 			break;
674 		case PNC:
675 			printf("  PNC, ");
676 			break;
677 		case LSHA:
678 			printf(" LSHA, ");
679 			break;
680 		case RSHA:
681 			printf(" RSHA, ");
682 			break;
683 		case LCTRA:
684 			printf("LCTRA, ");
685 			break;
686 		case RCTRA:
687 			printf("RCTRA, ");
688 			break;
689 		case LALTA:
690 			printf("LALTA, ");
691 			break;
692 		case RALTA:
693 			printf("RALTA, ");
694 			break;
695 		case HALT:
696 			printf(" HALT, ");
697 			break;
698 		case PDWN:
699 			printf(" PDWN, ");
700 			break;
701 		case PASTE:
702 			printf("PASTE, ");
703 			break;
704 		default:
705 	 		if (value >= F_FN && value <= L_FN)
706 				printf(" F(%2d),", value - F_FN + 1);
707 	 		else if (value >= F_SCR && value <= L_SCR)
708 				printf(" S(%2d),", value - F_SCR + 1);
709 	 		else if (value >= F_ACC && value <= L_ACC)
710 				printf(" %-4s, ", acc_names_u[value - F_ACC]);
711 			else
712 				printf(" 0x%02X, ", value);
713 			break;
714 		}
715 	} else if (value == '\'') {
716 		printf(" '\\'', ");
717 	} else if (value == '\\') {
718 		printf(" '\\\\', ");
719 	} else if (isascii(value) && isprint(value)) {
720 		printf("  '%c', ", value);
721 	} else {
722 		printf(" 0x%02X, ", value);
723 	}
724 }
725 
726 static void
727 dump_key_definition(char *name, keymap_t *keymap)
728 {
729 	int	i, j;
730 
731 	printf("static keymap_t keymap_%s = { 0x%02x, {\n",
732 	       name, (unsigned)keymap->n_keys);
733 	printf(
734 "/*                                                         alt\n"
735 " * scan                       cntrl          alt    alt   cntrl\n"
736 " * code  base   shift  cntrl  shift   alt   shift  cntrl  shift    spcl flgs\n"
737 " * ---------------------------------------------------------------------------\n"
738 " */\n");
739 	for (i = 0; i < keymap->n_keys; i++) {
740 		printf("/*%02x*/{{", i);
741 		for (j = 0; j < NUM_STATES; j++) {
742 			if (keymap->key[i].spcl & (0x80 >> j))
743 				dump_entry(keymap->key[i].map[j] | SPECIAL);
744 			else
745 				dump_entry(keymap->key[i].map[j]);
746 		}
747 		printf("}, 0x%02X,0x%02X },\n",
748 		       (unsigned)keymap->key[i].spcl,
749 		       (unsigned)keymap->key[i].flgs);
750 	}
751 	printf("} };\n\n");
752 }
753 
754 static void
755 dump_accent_definition(char *name, accentmap_t *accentmap)
756 {
757 	int i, j;
758 	int c;
759 
760 	printf("static accentmap_t accentmap_%s = { %d",
761 		name, accentmap->n_accs);
762 	if (accentmap->n_accs <= 0) {
763 		printf(" };\n\n");
764 		return;
765 	}
766 	printf(", {\n");
767 	for (i = 0; i < NUM_DEADKEYS; i++) {
768 		printf("    /* %s=%d */\n    {", acc_names[i], i);
769 		c = accentmap->acc[i].accchar;
770 		if (c == '\'')
771 			printf(" '\\'', {");
772 		else if (c == '\\')
773 			printf(" '\\\\', {");
774 		else if (isascii(c) && isprint(c))
775 			printf("  '%c', {", c);
776 		else if (c == 0) {
777 			printf(" 0x00 }, \n");
778 			continue;
779 		} else
780 			printf(" 0x%02x, {", c);
781 		for (j = 0; j < NUM_ACCENTCHARS; j++) {
782 			c = accentmap->acc[i].map[j][0];
783 			if (c == 0)
784 				break;
785 			if ((j > 0) && ((j % 4) == 0))
786 				printf("\n\t     ");
787 			if (isascii(c) && isprint(c))
788 				printf(" {  '%c',", c);
789 			else
790 				printf(" { 0x%02x,", c);
791 			printf("0x%02x },", accentmap->acc[i].map[j][1]);
792 		}
793 		printf(" }, },\n");
794 	}
795 	printf("} };\n\n");
796 }
797 
798 static void
799 add_keymap_path(const char *path)
800 {
801 	struct pathent* pe;
802 	size_t len;
803 
804 	len = strlen(path);
805 	if ((pe = malloc(sizeof(*pe))) == NULL ||
806 	    (pe->path = malloc(len + 2)) == NULL)
807 		err(1, "malloc");
808 	memcpy(pe->path, path, len);
809 	if (len > 0 && path[len - 1] != '/')
810 		pe->path[len++] = '/';
811 	pe->path[len] = '\0';
812 	STAILQ_INSERT_TAIL(&pathlist, pe, next);
813 }
814 
815 #ifdef OPIO_DEADKEYMAP
816 static void
817 to_old_accentmap(accentmap_t *from, oaccentmap_t *to)
818 {
819 	int i, j;
820 
821 	to->n_accs = from->n_accs;
822 	for (i = 0; i < NUM_DEADKEYS; i++) {
823 		for (j = 0; j < NUM_ACCENTCHARS; j++) {
824 			to->acc[i].map[j][0] = from->acc[i].map[j][0];
825 			to->acc[i].map[j][1] = from->acc[i].map[j][1];
826 			to->acc[i].accchar = from->acc[i].accchar;
827 		}
828 	}
829 }
830 #endif /* OPIO_DEADKEYMAP */
831 
832 static void
833 load_keymap(char *opt, int dumponly)
834 {
835 	keymap_t keymap;
836 	accentmap_t accentmap;
837 #ifdef OPIO_DEADKEYMAP
838 	oaccentmap_t oaccentmap;
839 #endif /* OPIO_DEADKEYMAP */
840 	struct pathent *pe;
841 	FILE	*file;
842 	int	j;
843 	char	*name, *cp;
844 	char	blank[] = "", keymap_path[] = KEYMAP_PATH;
845 	char	vt_keymap_path[] = VT_KEYMAP_PATH, dotkbd[] = ".kbd";
846 	char	*postfix[] = {blank, dotkbd, NULL};
847 
848 	if (!paths_configured) {
849 		cp = getenv("KEYMAP_PATH");
850 		if (cp != NULL)
851 			add_keymap_path(cp);
852 		add_keymap_path("");
853 #ifndef BOOTSTRAP_KBDCONTROL
854 		if (is_vt4())
855 			add_keymap_path(vt_keymap_path);
856 		else
857 			add_keymap_path(keymap_path);
858 #endif
859 		paths_configured = 1;
860 	}
861 
862 	file = NULL;
863 	STAILQ_FOREACH(pe, &pathlist, next) {
864 		for (j=0; postfix[j] && file == NULL; j++) {
865 			name = mkfullname(pe->path, opt, postfix[j]);
866 			file = fopen(name, "r");
867 			if (file != NULL)
868 				break;
869 		}
870 	}
871 	if (file == NULL) {
872 		warn("keymap file \"%s\" not found", opt);
873 		return;
874 	}
875 	memset(&keymap, 0, sizeof(keymap));
876 	memset(&accentmap, 0, sizeof(accentmap));
877 	token = -1;
878 	while (1) {
879 		if (get_definition_line(file, &keymap, &accentmap) < 0)
880 			break;
881     	}
882 	if (dumponly) {
883 		/* fix up the filename to make it a valid C identifier */
884 		for (cp = opt; *cp; cp++)
885 			if (!isalpha(*cp) && !isdigit(*cp)) *cp = '_';
886 		printf("/*\n"
887 		       " * Automatically generated from %s.\n"
888 	               " * DO NOT EDIT!\n"
889 		       " */\n", name);
890 		dump_key_definition(opt, &keymap);
891 		dump_accent_definition(opt, &accentmap);
892 		return;
893 	}
894 #ifndef BOOTSTRAP_KBDCONTROL
895 	if ((keymap.n_keys > 0) && (ioctl(0, PIO_KEYMAP, &keymap) < 0)) {
896 		warn("setting keymap");
897 		fclose(file);
898 		return;
899 	}
900 	if ((accentmap.n_accs > 0)
901 	    && (ioctl(0, PIO_DEADKEYMAP, &accentmap) < 0)) {
902 #ifdef OPIO_DEADKEYMAP
903 		to_old_accentmap(&accentmap, &oaccentmap);
904 		if (ioctl(0, OPIO_DEADKEYMAP, &oaccentmap) < 0)
905 #endif /* OGIO_DEADKEYMAP */
906 		{
907 			warn("setting accentmap");
908 			fclose(file);
909 			return;
910 		}
911 	}
912 #endif
913 }
914 
915 #ifdef OPIO_DEADKEYMAP
916 static void
917 to_new_accentmap(oaccentmap_t *from, accentmap_t *to)
918 {
919 	int i, j;
920 
921 	to->n_accs = from->n_accs;
922 	for (i = 0; i < NUM_DEADKEYS; i++) {
923 		for (j = 0; j < NUM_ACCENTCHARS; j++) {
924 			to->acc[i].map[j][0] = from->acc[i].map[j][0];
925 			to->acc[i].map[j][1] = from->acc[i].map[j][1];
926 			to->acc[i].accchar = from->acc[i].accchar;
927 		}
928 	}
929 }
930 #endif /* OPIO_DEADKEYMAP */
931 
932 #ifndef BOOTSTRAP_KBDCONTROL
933 static void
934 print_keymap(void)
935 {
936 	keymap_t keymap;
937 	accentmap_t accentmap;
938 #ifdef OGIO_DEADKEYMAP
939 	oaccentmap_t oaccentmap;
940 #endif /* OPIO_DEADKEYMAP */
941 	int i;
942 
943 	if (ioctl(0, GIO_KEYMAP, &keymap) < 0)
944 		err(1, "getting keymap");
945 	if (ioctl(0, GIO_DEADKEYMAP, &accentmap) < 0) {
946 #ifdef OGIO_DEADKEYMAP
947 		if (ioctl(0, OGIO_DEADKEYMAP, &oaccentmap) == 0)
948 			to_new_accentmap(&oaccentmap, &accentmap);
949 		else
950 #endif /* OGIO_DEADKEYMAP */
951 			memset(&accentmap, 0, sizeof(accentmap));
952 	}
953     	printf(
954 "#                                                         alt\n"
955 "# scan                       cntrl          alt    alt   cntrl lock\n"
956 "# code  base   shift  cntrl  shift  alt    shift  cntrl  shift state\n"
957 "# ------------------------------------------------------------------\n"
958     	);
959 	for (i=0; i<keymap.n_keys; i++)
960 		print_key_definition_line(stdout, i, &keymap.key[i]);
961 
962 	printf("\n");
963 	for (i = 0; i < NUM_DEADKEYS; i++)
964 		print_accent_definition_line(stdout, i, &accentmap.acc[i]);
965 
966 }
967 
968 static void
969 load_default_functionkeys(void)
970 {
971 	fkeyarg_t fkey;
972 	int i;
973 
974 	for (i=0; i<NUM_FKEYS; i++) {
975 		fkey.keynum = i;
976 		strcpy(fkey.keydef, fkey_table[i]);
977 		fkey.flen = strlen(fkey_table[i]);
978 		if (ioctl(0, SETFKEY, &fkey) < 0)
979 			warn("setting function key");
980 	}
981 }
982 
983 static void
984 set_functionkey(char *keynumstr, char *string)
985 {
986 	fkeyarg_t fkey;
987 
988 	if (!strcmp(keynumstr, "load") && !strcmp(string, "default")) {
989 		load_default_functionkeys();
990 		return;
991 	}
992 	fkey.keynum = atoi(keynumstr);
993 	if (fkey.keynum < 1 || fkey.keynum > NUM_FKEYS) {
994 		warnx("function key number must be between 1 and %d",
995 			NUM_FKEYS);
996 		return;
997 	}
998 	if ((fkey.flen = strlen(string)) > MAXFK) {
999 		warnx("function key string too long (%d > %d)",
1000 			fkey.flen, MAXFK);
1001 		return;
1002 	}
1003 	strncpy(fkey.keydef, string, MAXFK);
1004 	fkey.keynum -= 1;
1005 	if (ioctl(0, SETFKEY, &fkey) < 0)
1006 		warn("setting function key");
1007 }
1008 
1009 static void
1010 set_bell_values(char *opt)
1011 {
1012 	int bell, duration, pitch;
1013 
1014 	bell = 0;
1015 	duration = 0;
1016 	pitch = 0;
1017 	if (!strncmp(opt, "quiet.", 6)) {
1018 		bell = CONS_QUIET_BELL;
1019 		opt += 6;
1020 	}
1021 	if (!strcmp(opt, "visual"))
1022 		bell |= CONS_VISUAL_BELL;
1023 	else if (!strcmp(opt, "normal"))
1024 		duration = 5, pitch = 800;
1025 	else if (!strcmp(opt, "off"))
1026 		duration = 0, pitch = 0;
1027 	else {
1028 		char		*v1;
1029 
1030 		bell = 0;
1031 		duration = strtol(opt, &v1, 0);
1032 		if ((duration < 0) || (*v1 != '.'))
1033 			goto badopt;
1034 		opt = ++v1;
1035 		pitch = strtol(opt, &v1, 0);
1036 		if ((pitch < 0) || (*opt == '\0') || (*v1 != '\0')) {
1037 badopt:
1038 			warnx("argument to -b must be duration.pitch or [quiet.]visual|normal|off");
1039 			return;
1040 		}
1041 		if (pitch != 0)
1042 			pitch = 1193182 / pitch;	/* in Hz */
1043 		duration /= 10;	/* in 10 m sec */
1044 	}
1045 
1046 	ioctl(0, CONS_BELLTYPE, &bell);
1047 	if (duration > 0 && pitch > 0)
1048 		fprintf(stderr, "\e[=%d;%dB", pitch, duration);
1049 }
1050 
1051 static void
1052 set_keyrates(char *opt)
1053 {
1054 	int arg[2];
1055 	int repeat;
1056 	int delay;
1057 	int r, d;
1058 
1059 	if (!strcmp(opt, "slow")) {
1060 		delay = 1000;
1061 		repeat = 504;
1062 		d = 3;
1063 		r = 31;
1064 	} else if (!strcmp(opt, "normal")) {
1065 		delay = 500;
1066 		repeat = 126;
1067 		d = 1;
1068 		r = 15;
1069 	} else if (!strcmp(opt, "fast")) {
1070 		delay = 0;
1071 		repeat = 0;
1072 		d = 0;
1073 		r = 0;
1074 	} else {
1075 		int		n;
1076 		char		*v1;
1077 
1078 		delay = strtol(opt, &v1, 0);
1079 		if ((delay < 0) || (*v1 != '.'))
1080 			goto badopt;
1081 		opt = ++v1;
1082 		repeat = strtol(opt, &v1, 0);
1083 		if ((repeat < 0) || (*opt == '\0') || (*v1 != '\0')) {
1084 badopt:
1085 			warnx("argument to -r must be delay.repeat or slow|normal|fast");
1086 			return;
1087 		}
1088 		for (n = 0; n < ndelays - 1; n++)
1089 			if (delay <= kbdelays[n])
1090 				break;
1091 		d = n;
1092 		for (n = 0; n < nrepeats - 1; n++)
1093 			if (repeat <= kbrates[n])
1094 				break;
1095 		r = n;
1096 	}
1097 
1098 	arg[0] = delay;
1099 	arg[1] = repeat;
1100 	if (ioctl(0, KDSETREPEAT, arg)) {
1101 		warn("fallback, setting keyboard rate via legacy interface (KDSETRAD), will be removed soon");
1102 		if (ioctl(0, KDSETRAD, (d << 5) | r))
1103 			warn("setting keyboard rate");
1104 	}
1105 }
1106 
1107 static const char *
1108 get_kbd_type_name(int type)
1109 {
1110 	static struct {
1111 		int type;
1112 		const char *name;
1113 	} name_table[] = {
1114 		{ KB_84,	"AT 84" },
1115 		{ KB_101,	"AT 101/102" },
1116 		{ KB_OTHER,	"generic" },
1117 	};
1118 	unsigned int i;
1119 
1120 	for (i = 0; i < nitems(name_table); ++i) {
1121 		if (type == name_table[i].type)
1122 			return name_table[i].name;
1123 	}
1124 	return "unknown";
1125 }
1126 
1127 static void
1128 show_kbd_info(void)
1129 {
1130 	keyboard_info_t info;
1131 
1132 	if (ioctl(0, KDGKBINFO, &info) == -1) {
1133 		warn("unable to obtain keyboard information");
1134 		return;
1135 	}
1136 	printf("kbd%d:\n", info.kb_index);
1137 	printf("    %.*s%d, type:%s (%d)\n",
1138 		(int)sizeof(info.kb_name), info.kb_name, info.kb_unit,
1139 		get_kbd_type_name(info.kb_type), info.kb_type);
1140 }
1141 
1142 static void
1143 set_keyboard(char *device)
1144 {
1145 	keyboard_info_t info;
1146 	int fd;
1147 
1148 	fd = open(device, O_RDONLY);
1149 	if (fd < 0) {
1150 		warn("cannot open %s", device);
1151 		return;
1152 	}
1153 	if (ioctl(fd, KDGKBINFO, &info) == -1) {
1154 		warn("unable to obtain keyboard information");
1155 		close(fd);
1156 		return;
1157 	}
1158 	/*
1159 	 * The keyboard device driver won't release the keyboard by
1160 	 * the following ioctl, but it automatically will, when the device
1161 	 * is closed.  So, we don't check error here.
1162 	 */
1163 	ioctl(fd, CONS_RELKBD, 0);
1164 	close(fd);
1165 #if 1
1166 	printf("kbd%d\n", info.kb_index);
1167 	printf("    %.*s%d, type:%s (%d)\n",
1168 		(int)sizeof(info.kb_name), info.kb_name, info.kb_unit,
1169 		get_kbd_type_name(info.kb_type), info.kb_type);
1170 #endif
1171 
1172 	if (ioctl(0, CONS_SETKBD, info.kb_index) == -1)
1173 		warn("unable to set keyboard");
1174 }
1175 
1176 static void
1177 release_keyboard(void)
1178 {
1179 	keyboard_info_t info;
1180 
1181 	/*
1182 	 * If stdin is not associated with a keyboard, the following ioctl
1183 	 * will fail.
1184 	 */
1185 	if (ioctl(0, KDGKBINFO, &info) == -1) {
1186 		warn("unable to obtain keyboard information");
1187 		return;
1188 	}
1189 #if 1
1190 	printf("kbd%d\n", info.kb_index);
1191 	printf("    %.*s%d, type:%s (%d)\n",
1192 		(int)sizeof(info.kb_name), info.kb_name, info.kb_unit,
1193 		get_kbd_type_name(info.kb_type), info.kb_type);
1194 #endif
1195 	if (ioctl(0, CONS_RELKBD, 0) == -1)
1196 		warn("unable to release the keyboard");
1197 }
1198 
1199 static void
1200 mux_keyboard(u_int op, char *kbd)
1201 {
1202 	keyboard_info_t	info;
1203 	char		*unit, *ep;
1204 
1205 	/*
1206 	 * If stdin is not associated with a keyboard, the following ioctl
1207 	 * will fail.
1208 	 */
1209 	if (ioctl(0, KDGKBINFO, &info) == -1) {
1210 		warn("unable to obtain keyboard information");
1211 		return;
1212 	}
1213 #if 1
1214 	printf("kbd%d\n", info.kb_index);
1215 	printf("    %.*s%d, type:%s (%d)\n",
1216 		(int)sizeof(info.kb_name), info.kb_name, info.kb_unit,
1217 		get_kbd_type_name(info.kb_type), info.kb_type);
1218 #endif
1219 	/*
1220 	 * split kbd into name and unit. find the right most part of the
1221 	 * kbd string that consist of only digits.
1222 	 */
1223 
1224 	memset(&info, 0, sizeof(info));
1225 
1226 	info.kb_unit = -1;
1227 	ep = kbd - 1;
1228 
1229 	do {
1230 		unit = strpbrk(ep + 1, "0123456789");
1231 		if (unit != NULL) {
1232 			info.kb_unit = strtol(unit, &ep, 10);
1233 			if (*ep != '\0')
1234 				info.kb_unit = -1;
1235 		}
1236 	} while (unit != NULL && info.kb_unit == -1);
1237 
1238 	if (info.kb_unit == -1) {
1239 		warnx("unable to find keyboard driver unit in '%s'", kbd);
1240 		return;
1241 	}
1242 
1243 	if (unit == kbd) {
1244 		warnx("unable to find keyboard driver name in '%s'", kbd);
1245 		return;
1246 	}
1247 	if (unit - kbd >= (int) sizeof(info.kb_name)) {
1248 		warnx("keyboard name '%s' is too long", kbd);
1249 		return;
1250 	}
1251 
1252 	strncpy(info.kb_name, kbd, unit - kbd);
1253 
1254 	/*
1255 	 * If stdin is not associated with a kbdmux(4) keyboard, the following
1256 	 * ioctl will fail.
1257 	 */
1258 
1259 	if (ioctl(0, op, &info) == -1)
1260 		warn("unable to (un)mux the keyboard");
1261 }
1262 #endif
1263 
1264 static void
1265 usage(void)
1266 {
1267 #ifdef BOOTSTRAP_KBDCONTROL
1268 	fprintf(stderr, "%s\n",
1269 "usage: kbdcontrol [-L mapfile] [-P path]");
1270 #else
1271 	fprintf(stderr, "%s\n%s\n%s\n",
1272 "usage: kbdcontrol [-dFKix] [-A name] [-a name] [-b duration.pitch | [quiet.]belltype]",
1273 "                  [-r delay.repeat | speed] [-l mapfile] [-f # string]",
1274 "                  [-k device] [-L mapfile] [-P path]");
1275 #endif
1276 	exit(1);
1277 }
1278 
1279 
1280 int
1281 main(int argc, char **argv)
1282 {
1283 #ifdef BOOTSTRAP_KBDCONTROL
1284 	const char	*optstring = "L:P:";
1285 #else
1286 	const char	*optstring = "A:a:b:df:iKk:Fl:L:P:r:x";
1287 #endif
1288 	int		opt;
1289 
1290 	/* Collect any -P arguments, regardless of where they appear. */
1291 	while ((opt = getopt(argc, argv, optstring)) != -1) {
1292 		if (opt == 'P')
1293 			add_keymap_path(optarg);
1294 		if (opt == '?')
1295 			usage();
1296 	}
1297 
1298 	optind = optreset = 1;
1299 	while ((opt = getopt(argc, argv, optstring)) != -1)
1300 		switch(opt) {
1301 #ifndef BOOTSTRAP_KBDCONTROL
1302 		case 'A':
1303 		case 'a':
1304 			mux_keyboard((opt == 'A')? KBRELKBD : KBADDKBD, optarg);
1305 			break;
1306 		case 'b':
1307 			set_bell_values(optarg);
1308 			break;
1309 		case 'd':
1310 			print_keymap();
1311 			break;
1312 		case 'l':
1313 			load_keymap(optarg, 0);
1314 			break;
1315 #endif
1316 		case 'L':
1317 			load_keymap(optarg, 1);
1318 			break;
1319 		case 'P':
1320 			break;
1321 #ifndef BOOTSTRAP_KBDCONTROL
1322 		case 'f':
1323 			set_functionkey(optarg,
1324 			    nextarg(argc, argv, &optind, 'f'));
1325 			break;
1326 		case 'F':
1327 			load_default_functionkeys();
1328 			break;
1329 		case 'i':
1330 			show_kbd_info();
1331 			break;
1332 		case 'K':
1333 			release_keyboard();
1334 			break;
1335 		case 'k':
1336 			set_keyboard(optarg);
1337 			break;
1338 		case 'r':
1339 			set_keyrates(optarg);
1340 			break;
1341 		case 'x':
1342 			hex = 1;
1343 			break;
1344 #endif
1345 		default:
1346 			usage();
1347 		}
1348 	if ((optind != argc) || (argc == 1))
1349 		usage();
1350 	exit(0);
1351 }
1352