xref: /freebsd/usr.sbin/kbdmap/kbdmap.c (revision b2d48be1bc7df45ddd13b143a160d0acb5a383c5)
1 /*-
2  * Copyright (c) 2002 Jonathan Belson <jon@witchspace.com>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/types.h>
31 #include <sys/queue.h>
32 #include <sys/sysctl.h>
33 
34 #include <assert.h>
35 #include <ctype.h>
36 #include <dirent.h>
37 #include <limits.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <stringlist.h>
42 #include <unistd.h>
43 
44 #include "kbdmap.h"
45 
46 
47 static const char *lang_default = DEFAULT_LANG;
48 static const char *font;
49 static const char *lang;
50 static const char *program;
51 static const char *keymapdir = DEFAULT_VT_KEYMAP_DIR;
52 static const char *fontdir = DEFAULT_VT_FONT_DIR;
53 static const char *font_default = DEFAULT_VT_FONT;
54 static const char *sysconfig = DEFAULT_SYSCONFIG;
55 static const char *font_current;
56 static const char *dir;
57 static const char *menu = "";
58 
59 static int x11;
60 static int show;
61 static int verbose;
62 static int print;
63 
64 
65 struct keymap {
66 	char	*desc;
67 	char	*keym;
68 	int	mark;
69 	SLIST_ENTRY(keymap) entries;
70 };
71 static SLIST_HEAD(slisthead, keymap) head = SLIST_HEAD_INITIALIZER(head);
72 
73 
74 /*
75  * Get keymap entry for 'key', or NULL of not found
76  */
77 static struct keymap *
78 get_keymap(const char *key)
79 {
80 	struct keymap *km;
81 
82 	SLIST_FOREACH(km, &head, entries)
83 		if (!strcmp(km->keym, key))
84 			return km;
85 
86 	return NULL;
87 }
88 
89 /*
90  * Count the number of keymaps we found
91  */
92 static int
93 get_num_keymaps(void)
94 {
95 	struct keymap *km;
96 	int count = 0;
97 
98 	SLIST_FOREACH(km, &head, entries)
99 		count++;
100 
101 	return count;
102 }
103 
104 /*
105  * Remove any keymap with given keym
106  */
107 static void
108 remove_keymap(const char *keym)
109 {
110 	struct keymap *km;
111 
112 	SLIST_FOREACH(km, &head, entries) {
113 		if (!strcmp(keym, km->keym)) {
114 			SLIST_REMOVE(&head, km, keymap, entries);
115 			free(km);
116 			break;
117 		}
118 	}
119 }
120 
121 /*
122  * Add to hash with 'key'
123  */
124 static void
125 add_keymap(const char *desc, int mark, const char *keym)
126 {
127 	struct keymap *km, *km_new;
128 
129 	/* Is there already an entry with this key? */
130 	SLIST_FOREACH(km, &head, entries) {
131 		if (!strcmp(km->keym, keym)) {
132 			/* Reuse this entry */
133 			free(km->desc);
134 			km->desc = strdup(desc);
135 			km->mark = mark;
136 			return;
137 		}
138 	}
139 
140 	km_new = (struct keymap *) malloc (sizeof(struct keymap));
141 	km_new->desc = strdup(desc);
142 	km_new->keym = strdup(keym);
143 	km_new->mark = mark;
144 
145 	/* Add to keymap list */
146 	SLIST_INSERT_HEAD(&head, km_new, entries);
147 }
148 
149 /*
150  * Return 0 if syscons is in use (to select legacy defaults).
151  */
152 static int
153 check_newcons(void)
154 {
155 	size_t len;
156 	char term[3];
157 
158 	len = 3;
159 	if (sysctlbyname("kern.vty", &term, &len, NULL, 0) != 0 ||
160 	    strcmp(term, "vt") != 0)
161 		return 0;
162 	return -1;
163 }
164 
165 /*
166  * Figure out the default language to use.
167  */
168 static const char *
169 get_locale(void)
170 {
171 	const char *locale;
172 
173 	if ((locale = getenv("LC_ALL")) == NULL &&
174 	    (locale = getenv("LC_CTYPE")) == NULL &&
175 	    (locale = getenv("LANG")) == NULL)
176 		locale = lang_default;
177 
178 	/* Check for alias */
179 	if (!strcmp(locale, "C"))
180 		locale = DEFAULT_LANG;
181 
182 	return locale;
183 }
184 
185 /*
186  * Extract filename part
187  */
188 static const char *
189 extract_name(const char *name)
190 {
191 	char *p;
192 
193 	p = strrchr(name, '/');
194 	if (p != NULL && p[1] != '\0')
195 		return p + 1;
196 
197 	return name;
198 }
199 
200 /*
201  * Return file extension or NULL
202  */
203 static char *
204 get_extension(const char *name)
205 {
206 	char *p;
207 
208 	p = strrchr(name, '.');
209 
210 	if (p != NULL && p[1] != '\0')
211 		return p;
212 
213 	return NULL;
214 }
215 
216 /*
217  * Read font from /etc/rc.conf else return default.
218  * Freeing the memory is the caller's responsibility.
219  */
220 static char *
221 get_font(void)
222 {
223 	char line[256], buf[20];
224 	char *fnt = NULL;
225 
226 	FILE *fp = fopen(sysconfig, "r");
227 	if (fp) {
228 		while (fgets(line, sizeof(line), fp)) {
229 			int a, b, matches;
230 
231 			if (line[0] == '#')
232 				continue;
233 
234 			matches = sscanf(line,
235 			    " font%dx%d = \"%20[-.0-9a-zA-Z_]",
236 			    &a, &b, buf);
237 			if (matches==3) {
238 				if (strcmp(buf, "NO")) {
239 					if (fnt)
240 						free(fnt);
241 					fnt = (char *) malloc(strlen(buf) + 1);
242 					strcpy(fnt, buf);
243 				}
244 			}
245 		}
246 		fclose(fp);
247 	} else
248 		fprintf(stderr, "Could not open %s for reading\n", sysconfig);
249 
250 	return fnt;
251 }
252 
253 /*
254  * Set a font using 'vidcontrol'
255  */
256 static void
257 vidcontrol(const char *fnt)
258 {
259 	char *tmp, *p, *q;
260 	char ch;
261 	int i;
262 
263 	/* syscons test failed */
264 	if (x11)
265 		return;
266 
267 	tmp = strdup(fnt);
268 
269 	/* Extract font size */
270 	p = strrchr(tmp, '-');
271 	if (p && p[1] != '\0') {
272 		p++;
273 		/* Remove any '.fnt' extension */
274 		if ((q = strstr(p, ".fnt")))
275 			*q = '\0';
276 
277 		/*
278 		 * Check font size is valid, with no trailing characters
279 		 *  ('&ch' should not be matched)
280 		 */
281 		if (sscanf(p, "%dx%d%c", &i, &i, &ch) != 2)
282 			fprintf(stderr, "Which font size? %s\n", fnt);
283 		else {
284 			char *cmd;
285 			asprintf(&cmd, "vidcontrol -f %s %s", p, fnt);
286 			if (verbose)
287 				fprintf(stderr, "%s\n", cmd);
288 			system(cmd);
289 			free(cmd);
290 		}
291 	} else
292 		fprintf(stderr, "Which font size? %s\n", fnt);
293 
294 	free(tmp);
295 }
296 
297 /*
298  * Execute 'kbdcontrol' with the appropriate arguments
299  */
300 static void
301 do_kbdcontrol(struct keymap *km)
302 {
303 	char *kbd_cmd;
304 	asprintf(&kbd_cmd, "kbdcontrol -l %s/%s", dir, km->keym);
305 
306 	if (!x11)
307 		system(kbd_cmd);
308 
309 	fprintf(stderr, "keymap=\"%s\"\n", km->keym);
310 	free(kbd_cmd);
311 }
312 
313 /*
314  * Call 'vidcontrol' with the appropriate arguments
315  */
316 static void
317 do_vidfont(struct keymap *km)
318 {
319 	char *vid_cmd, *tmp, *p, *q;
320 
321 	asprintf(&vid_cmd, "%s/%s", dir, km->keym);
322 	vidcontrol(vid_cmd);
323 	free(vid_cmd);
324 
325 	tmp = strdup(km->keym);
326 	p = strrchr(tmp, '-');
327 	if (p && p[1]!='\0') {
328 		p++;
329 		q = get_extension(p);
330 		if (q) {
331 			*q = '\0';
332 			printf("font%s=%s\n", p, km->keym);
333 		}
334 	}
335 	free(tmp);
336 }
337 
338 /*
339  * Display dialog from 'keymaps[]'
340  */
341 static void
342 show_dialog(struct keymap **km_sorted, int num_keymaps)
343 {
344 	FILE *fp;
345 	char *cmd, *dialog;
346 	char tmp_name[] = "/tmp/_kbd_lang.XXXX";
347 	int fd, i, size;
348 
349 	fd = mkstemp(tmp_name);
350 	if (fd == -1) {
351 		fprintf(stderr, "Could not open temporary file \"%s\"\n",
352 		    tmp_name);
353 		exit(1);
354 	}
355 	asprintf(&dialog, "/usr/bin/dialog --clear --title \"Keyboard Menu\" "
356 			  "--menu \"%s\" 0 0 0", menu);
357 
358 	/* start right font, assume that current font is equal
359 	 * to default font in /etc/rc.conf
360 	 *
361 	 * $font is the font which require the language $lang; e.g.
362 	 * russian *need* a koi8 font
363 	 * $font_current is the current font from /etc/rc.conf
364 	 */
365 	if (font && strcmp(font, font_current))
366 		vidcontrol(font);
367 
368 	/* Build up the command */
369 	size = 0;
370 	for (i=0; i<num_keymaps; i++) {
371 		/*
372 		 * Each 'font' is passed as ' "font" ""', so allow the
373 		 * extra space
374 		 */
375 		size += strlen(km_sorted[i]->desc) + 6;
376 	}
377 
378 	/* Allow the space for '2> tmpfilename' redirection */
379 	size += strlen(tmp_name) + 3;
380 
381 	cmd = (char *) malloc(strlen(dialog) + size + 1);
382 	strcpy(cmd, dialog);
383 
384 	for (i=0; i<num_keymaps; i++) {
385 		strcat(cmd, " \"");
386 		strcat(cmd, km_sorted[i]->desc);
387 		strcat(cmd, "\"");
388 		strcat(cmd, " \"\"");
389 	}
390 
391 	strcat(cmd, " 2>");
392 	strcat(cmd, tmp_name);
393 
394 	/* Show the dialog.. */
395 	system(cmd);
396 
397 	fp = fopen(tmp_name, "r");
398 	if (fp) {
399 		char choice[64];
400 		if (fgets(choice, sizeof(choice), fp) != NULL) {
401 			/* Find key for desc */
402 			for (i=0; i<num_keymaps; i++) {
403 				if (!strcmp(choice, km_sorted[i]->desc)) {
404 					if (!strcmp(program, "kbdmap"))
405 						do_kbdcontrol(km_sorted[i]);
406 					else
407 						do_vidfont(km_sorted[i]);
408 					break;
409 				}
410 			}
411 		} else {
412 			if (font != NULL && strcmp(font, font_current))
413 				/* Cancelled, restore old font */
414 				vidcontrol(font_current);
415 		}
416 		fclose(fp);
417 	} else
418 		fprintf(stderr, "Failed to open temporary file");
419 
420 	/* Tidy up */
421 	remove(tmp_name);
422 	free(cmd);
423 	free(dialog);
424 	close(fd);
425 }
426 
427 /*
428  * Search for 'token' in comma delimited array 'buffer'.
429  * Return true for found, false for not found.
430  */
431 static int
432 find_token(const char *buffer, const char *token)
433 {
434 	char *buffer_tmp, *buffer_copy, *inputstring;
435 	char **ap;
436 	int found;
437 
438 	buffer_copy = strdup(buffer);
439 	buffer_tmp = buffer_copy;
440 	inputstring = buffer_copy;
441 	ap = &buffer_tmp;
442 
443 	found = 0;
444 
445 	while ((*ap = strsep(&inputstring, ",")) != NULL) {
446 		if (strcmp(buffer_tmp, token) == 0) {
447 			found = 1;
448 			break;
449 		}
450 	}
451 
452 	free(buffer_copy);
453 
454 	return found;
455 }
456 
457 /*
458  * Compare function for qsort
459  */
460 static int
461 compare_keymap(const void *a, const void *b)
462 {
463 
464 	/* We've been passed pointers to pointers, so: */
465 	const struct keymap *km1 = *((const struct keymap * const *) a);
466 	const struct keymap *km2 = *((const struct keymap * const *) b);
467 
468 	return strcmp(km1->desc, km2->desc);
469 }
470 
471 /*
472  * Compare function for qsort
473  */
474 static int
475 compare_lang(const void *a, const void *b)
476 {
477 	const char *l1 = *((const char * const *) a);
478 	const char *l2 = *((const char * const *) b);
479 
480 	return strcmp(l1, l2);
481 }
482 
483 /*
484  * Change '8x8' to '8x08' so qsort will put it before eg. '8x14'
485  */
486 static void
487 kludge_desc(struct keymap **km_sorted, int num_keymaps)
488 {
489 	int i;
490 
491 	for (i=0; i<num_keymaps; i++) {
492 		char *p;
493 		char *km = km_sorted[i]->desc;
494 		if ((p = strstr(km, "8x8")) != NULL) {
495 			int len;
496 			int j;
497 			int offset;
498 
499 			offset = p - km;
500 
501 			/* Make enough space for the extra '0' */
502 			len = strlen(km);
503 			km = realloc(km, len + 2);
504 
505 			for (j=len; j!=offset+1; j--)
506 				km[j + 1] = km[j];
507 
508 			km[offset+2] = '0';
509 
510 			km_sorted[i]->desc = km;
511 		}
512 	}
513 }
514 
515 /*
516  * Reverse 'kludge_desc()' - change '8x08' back to '8x8'
517  */
518 static void
519 unkludge_desc(struct keymap **km_sorted, int num_keymaps)
520 {
521 	int i;
522 
523 	for (i=0; i<num_keymaps; i++) {
524 		char *p;
525 		char *km = km_sorted[i]->desc;
526 		if ((p = strstr(km, "8x08")) != NULL) {
527 			p += 2;
528 			while (*p++)
529 				p[-1] = p[0];
530 
531 			km = realloc(km, p - km - 1);
532 			km_sorted[i]->desc = km;
533 		}
534 	}
535 }
536 
537 /*
538  * Return 0 if file exists and is readable, else -1
539  */
540 static int
541 check_file(const char *keym)
542 {
543 	int status = 0;
544 
545 	if (access(keym, R_OK) == -1) {
546 		char *fn;
547 		asprintf(&fn, "%s/%s", dir, keym);
548 		if (access(fn, R_OK) == -1) {
549 			if (verbose)
550 				fprintf(stderr, "%s not found!\n", fn);
551 			status = -1;
552 		}
553 		free(fn);
554 	} else {
555 		if (verbose)
556 			fprintf(stderr, "No read permission for %s!\n", keym);
557 		status = -1;
558 	}
559 
560 	return status;
561 }
562 
563 /*
564  * Read options from the relevant configuration file, then
565  *  present to user.
566  */
567 static void
568 menu_read(void)
569 {
570 	const char *lg;
571 	char *p;
572 	int mark, num_keymaps, items, i;
573 	char buffer[256], filename[PATH_MAX];
574 	char keym[64], lng[64], desc[256];
575 	char dialect[64], lang_abk[64];
576 	struct keymap *km;
577 	struct keymap **km_sorted;
578 	struct dirent *dp;
579 	StringList *lang_list;
580 	FILE *fp;
581 	DIR *dirp;
582 
583 	lang_list = sl_init();
584 
585 	sprintf(filename, "%s/INDEX.%s", dir, extract_name(dir));
586 
587 	/* en_US.ISO8859-1 -> en_..\.ISO8859-1 */
588 	strlcpy(dialect, lang, sizeof(dialect));
589 	if (strlen(dialect) >= 6 && dialect[2] == '_') {
590 		dialect[3] = '.';
591 		dialect[4] = '.';
592 	}
593 
594 
595 	/* en_US.ISO8859-1 -> en */
596 	strlcpy(lang_abk, lang, sizeof(lang_abk));
597 	if (strlen(lang_abk) >= 3 && lang_abk[2] == '_')
598 		lang_abk[2] = '\0';
599 
600 	fprintf(stderr, "lang_default = %s\n", lang_default);
601 	fprintf(stderr, "dialect = %s\n", dialect);
602 	fprintf(stderr, "lang_abk = %s\n", lang_abk);
603 
604 	fp = fopen(filename, "r");
605 	if (fp) {
606 		int matches;
607 		while (fgets(buffer, sizeof(buffer), fp)) {
608 			p = buffer;
609 			if (p[0] == '#')
610 				continue;
611 
612 			while (isspace(*p))
613 				p++;
614 
615 			if (*p == '\0')
616 				continue;
617 
618 			/* Parse input, removing newline */
619 			matches = sscanf(p, "%64[^:]:%64[^:]:%256[^:\n]",
620 			    keym, lng, desc);
621 			if (matches == 3) {
622 				if (strcmp(keym, "FONT")
623 				    && strcmp(keym, "MENU")) {
624 					/* Check file exists & is readable */
625 					if (check_file(keym) == -1)
626 						continue;
627 				}
628 			}
629 
630 			if (show) {
631 				/*
632 				 * Take note of supported languages, which
633 				 * might be in a comma-delimited list
634 				 */
635 				char *tmp = strdup(lng);
636 				char *delim = tmp;
637 
638 				for (delim = tmp; ; ) {
639 					char ch = *delim++;
640 					if (ch == ',' || ch == '\0') {
641 						delim[-1] = '\0';
642 						if (!sl_find(lang_list, tmp))
643 							sl_add(lang_list, tmp);
644 						if (ch == '\0')
645 							break;
646 						tmp = delim;
647 					}
648 				}
649 			}
650 			/* Set empty language to default language */
651 			if (lng[0] == '\0')
652 				lg = lang_default;
653 			else
654 				lg = lng;
655 
656 
657 			/* 4) Your choice if it exists
658 			 * 3) Long match eg. en_GB.ISO8859-1 is equal to
659 			 *      en_..\.ISO8859-1
660 			 * 2) short match 'de'
661 			 * 1) default langlist 'en'
662 			 * 0) any language
663 			 *
664 			 * Language may be a comma separated list
665 			 * A higher match overwrites a lower
666 			 * A later entry overwrites a previous if it exists
667 			 *     twice in the database
668 			 */
669 
670 			/* Check for favoured language */
671 			km = get_keymap(keym);
672 			mark = (km) ? km->mark : 0;
673 
674 			if (find_token(lg, lang))
675 				add_keymap(desc, 4, keym);
676 			else if (mark <= 3 && find_token(lg, dialect))
677 				add_keymap(desc, 3, keym);
678 			else if (mark <= 2 && find_token(lg, lang_abk))
679 				add_keymap(desc, 2, keym);
680 			else if (mark <= 1 && find_token(lg, lang_default))
681 				add_keymap(desc, 1, keym);
682 			else if (mark <= 0)
683 				add_keymap(desc, 0, keym);
684 		}
685 		fclose(fp);
686 
687 	} else
688 		printf("Could not open file\n");
689 
690 	if (show) {
691 		qsort(lang_list->sl_str, lang_list->sl_cur, sizeof(char*),
692 		    compare_lang);
693 		printf("Currently supported languages: ");
694 		for (i=0; i< (int) lang_list->sl_cur; i++)
695 			printf("%s ", lang_list->sl_str[i]);
696 		puts("");
697 		exit(0);
698 	}
699 
700 	km = get_keymap("MENU");
701 	if (km)
702 		/* Take note of menu title */
703 		menu = strdup(km->desc);
704 	km = get_keymap("FONT");
705 	if (km)
706 		/* Take note of language font */
707 		font = strdup(km->desc);
708 
709 	/* Remove unwanted items from list */
710 	remove_keymap("MENU");
711 	remove_keymap("FONT");
712 
713 	/* Look for keymaps not in database */
714 	dirp = opendir(dir);
715 	if (dirp) {
716 		while ((dp = readdir(dirp)) != NULL) {
717 			const char *ext = get_extension(dp->d_name);
718 			if (ext) {
719 				if ((!strcmp(ext, ".fnt") ||
720 				    !strcmp(ext, ".kbd")) &&
721 				    !get_keymap(dp->d_name)) {
722 					char *q;
723 
724 					/* Remove any .fnt or .kbd extension */
725 					q = strdup(dp->d_name);
726 					*(get_extension(q)) = '\0';
727 					add_keymap(q, 0, dp->d_name);
728 					free(q);
729 
730 					if (verbose)
731 						fprintf(stderr,
732 						    "'%s' not in database\n",
733 						    dp->d_name);
734 				}
735 			}
736 		}
737 		closedir(dirp);
738 	} else
739 		fprintf(stderr, "Could not open directory '%s'\n", dir);
740 
741 	/* Sort items in keymap */
742 	num_keymaps = get_num_keymaps();
743 
744 	km_sorted = (struct keymap **)
745 	    malloc(num_keymaps*sizeof(struct keymap *));
746 
747 	/* Make array of pointers to items in hash */
748 	items = 0;
749 	SLIST_FOREACH(km, &head, entries)
750 		km_sorted[items++] = km;
751 
752 	/* Change '8x8' to '8x08' so sort works as we might expect... */
753 	kludge_desc(km_sorted, num_keymaps);
754 
755 	qsort(km_sorted, num_keymaps, sizeof(struct keymap *), compare_keymap);
756 
757 	/* ...change back again */
758 	unkludge_desc(km_sorted, num_keymaps);
759 
760 	if (print) {
761 		for (i=0; i<num_keymaps; i++)
762 			printf("%s\n", km_sorted[i]->desc);
763 		exit(0);
764 	}
765 
766 	show_dialog(km_sorted, num_keymaps);
767 
768 	free(km_sorted);
769 }
770 
771 /*
772  * Display usage information and exit
773  */
774 static void
775 usage(void)
776 {
777 
778 	fprintf(stderr, "usage: %s\t[-K] [-V] [-d|-default] [-h|-help] "
779 	    "[-l|-lang language]\n\t\t[-p|-print] [-r|-restore] [-s|-show] "
780 	    "[-v|-verbose]\n", program);
781 	exit(1);
782 }
783 
784 static void
785 parse_args(int argc, char **argv)
786 {
787 	int i;
788 
789 	for (i=1; i<argc; i++) {
790 		if (argv[i][0] != '-')
791 			usage();
792 		else if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-h"))
793 			usage();
794 		else if (!strcmp(argv[i], "-verbose") || !strcmp(argv[i], "-v"))
795 			verbose = 1;
796 		else if (!strcmp(argv[i], "-lang") || !strcmp(argv[i], "-l"))
797 			if (i + 1 == argc)
798 				usage();
799 			else
800 				lang = argv[++i];
801 		else if (!strcmp(argv[i], "-default") || !strcmp(argv[i], "-d"))
802 			lang = lang_default;
803 		else if (!strcmp(argv[i], "-show") || !strcmp(argv[i], "-s"))
804 			show = 1;
805 		else if (!strcmp(argv[i], "-print") || !strcmp(argv[i], "-p"))
806 			print = 1;
807 		else if (!strcmp(argv[i], "-restore") ||
808 		    !strcmp(argv[i], "-r")) {
809 			vidcontrol(font_current);
810 			exit(0);
811 		} else if (!strcmp(argv[i], "-K"))
812 			dir = keymapdir;
813 		else if (!strcmp(argv[i], "-V"))
814 			dir = fontdir;
815 		else
816 			usage();
817 	}
818 }
819 
820 /*
821  * A front-end for the 'vidfont' and 'kbdmap' programs.
822  */
823 int
824 main(int argc, char **argv)
825 {
826 
827 	x11 = system("kbdcontrol -d >/dev/null");
828 
829 	if (x11) {
830 		fprintf(stderr, "You are not on a virtual console - "
831 				"expect certain strange side-effects\n");
832 		sleep(2);
833 	}
834 
835 	if (check_newcons() == 0) {
836 		keymapdir = DEFAULT_SC_KEYMAP_DIR;
837 		fontdir = DEFAULT_SC_FONT_DIR;
838 		font_default = DEFAULT_SC_FONT;
839 	}
840 
841 	SLIST_INIT(&head);
842 
843 	lang = get_locale();
844 
845 	program = extract_name(argv[0]);
846 
847 	font_current = get_font();
848 	if (font_current == NULL)
849 		font_current = font_default;
850 
851 	if (strcmp(program, "kbdmap"))
852 		dir = fontdir;
853 	else
854 		dir = keymapdir;
855 
856 	/* Parse command line arguments */
857 	parse_args(argc, argv);
858 
859 	/* Read and display options */
860 	menu_read();
861 
862 	return 0;
863 }
864