xref: /freebsd/usr.sbin/kbdmap/kbdmap.c (revision 1f4bcc459a76b7aa664f3fd557684cd0ba6da352)
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 using_vt;
61 static int show;
62 static int verbose;
63 static int print;
64 
65 
66 struct keymap {
67 	char	*desc;
68 	char	*keym;
69 	int	mark;
70 	SLIST_ENTRY(keymap) entries;
71 };
72 static SLIST_HEAD(slisthead, keymap) head = SLIST_HEAD_INITIALIZER(head);
73 
74 
75 /*
76  * Get keymap entry for 'key', or NULL of not found
77  */
78 static struct keymap *
79 get_keymap(const char *key)
80 {
81 	struct keymap *km;
82 
83 	SLIST_FOREACH(km, &head, entries)
84 		if (!strcmp(km->keym, key))
85 			return km;
86 
87 	return NULL;
88 }
89 
90 /*
91  * Count the number of keymaps we found
92  */
93 static int
94 get_num_keymaps(void)
95 {
96 	struct keymap *km;
97 	int count = 0;
98 
99 	SLIST_FOREACH(km, &head, entries)
100 		count++;
101 
102 	return count;
103 }
104 
105 /*
106  * Remove any keymap with given keym
107  */
108 static void
109 remove_keymap(const char *keym)
110 {
111 	struct keymap *km;
112 
113 	SLIST_FOREACH(km, &head, entries) {
114 		if (!strcmp(keym, km->keym)) {
115 			SLIST_REMOVE(&head, km, keymap, entries);
116 			free(km);
117 			break;
118 		}
119 	}
120 }
121 
122 /*
123  * Add to hash with 'key'
124  */
125 static void
126 add_keymap(const char *desc, int mark, const char *keym)
127 {
128 	struct keymap *km, *km_new;
129 
130 	/* Is there already an entry with this key? */
131 	SLIST_FOREACH(km, &head, entries) {
132 		if (!strcmp(km->keym, keym)) {
133 			/* Reuse this entry */
134 			free(km->desc);
135 			km->desc = strdup(desc);
136 			km->mark = mark;
137 			return;
138 		}
139 	}
140 
141 	km_new = (struct keymap *) malloc (sizeof(struct keymap));
142 	km_new->desc = strdup(desc);
143 	km_new->keym = strdup(keym);
144 	km_new->mark = mark;
145 
146 	/* Add to keymap list */
147 	SLIST_INSERT_HEAD(&head, km_new, entries);
148 }
149 
150 /*
151  * Return 0 if syscons is in use (to select legacy defaults).
152  */
153 static int
154 check_vt(void)
155 {
156 	size_t len;
157 	char term[3];
158 
159 	len = 3;
160 	if (sysctlbyname("kern.vty", &term, &len, NULL, 0) != 0 ||
161 	    strcmp(term, "vt") != 0)
162 		return 0;
163 	return 1;
164 }
165 
166 /*
167  * Figure out the default language to use.
168  */
169 static const char *
170 get_locale(void)
171 {
172 	const char *locale;
173 
174 	if ((locale = getenv("LC_ALL")) == NULL &&
175 	    (locale = getenv("LC_CTYPE")) == NULL &&
176 	    (locale = getenv("LANG")) == NULL)
177 		locale = lang_default;
178 
179 	/* Check for alias */
180 	if (!strcmp(locale, "C"))
181 		locale = DEFAULT_LANG;
182 
183 	return locale;
184 }
185 
186 /*
187  * Extract filename part
188  */
189 static const char *
190 extract_name(const char *name)
191 {
192 	char *p;
193 
194 	p = strrchr(name, '/');
195 	if (p != NULL && p[1] != '\0')
196 		return p + 1;
197 
198 	return name;
199 }
200 
201 /*
202  * Return file extension or NULL
203  */
204 static char *
205 get_extension(const char *name)
206 {
207 	char *p;
208 
209 	p = strrchr(name, '.');
210 
211 	if (p != NULL && p[1] != '\0')
212 		return p;
213 
214 	return NULL;
215 }
216 
217 /*
218  * Read font from /etc/rc.conf else return default.
219  * Freeing the memory is the caller's responsibility.
220  */
221 static char *
222 get_font(void)
223 {
224 	char line[256], buf[20];
225 	char *fnt = NULL;
226 
227 	FILE *fp = fopen(sysconfig, "r");
228 	if (fp) {
229 		while (fgets(line, sizeof(line), fp)) {
230 			int a, b, matches;
231 
232 			if (line[0] == '#')
233 				continue;
234 
235 			matches = sscanf(line,
236 			    " font%dx%d = \"%20[-.0-9a-zA-Z_]",
237 			    &a, &b, buf);
238 			if (matches==3) {
239 				if (strcmp(buf, "NO")) {
240 					if (fnt)
241 						free(fnt);
242 					fnt = (char *) malloc(strlen(buf) + 1);
243 					strcpy(fnt, buf);
244 				}
245 			}
246 		}
247 		fclose(fp);
248 	} else
249 		fprintf(stderr, "Could not open %s for reading\n", sysconfig);
250 
251 	return fnt;
252 }
253 
254 /*
255  * Set a font using 'vidcontrol'
256  */
257 static void
258 vidcontrol(const char *fnt)
259 {
260 	char *tmp, *p, *q, *cmd;
261 	char ch;
262 	int i;
263 
264 	/* syscons test failed */
265 	if (x11)
266 		return;
267 
268 	if (using_vt) {
269 		asprintf(&cmd, "vidcontrol -f %s", fnt);
270 		system(cmd);
271 		free(cmd);
272 		return;
273 	}
274 
275 	tmp = strdup(fnt);
276 
277 	/* Extract font size */
278 	p = strrchr(tmp, '-');
279 	if (p && p[1] != '\0') {
280 		p++;
281 		/* Remove any '.fnt' extension */
282 		if ((q = strstr(p, ".fnt")))
283 			*q = '\0';
284 
285 		/*
286 		 * Check font size is valid, with no trailing characters
287 		 *  ('&ch' should not be matched)
288 		 */
289 		if (sscanf(p, "%dx%d%c", &i, &i, &ch) != 2)
290 			fprintf(stderr, "Which font size? %s\n", fnt);
291 		else {
292 			asprintf(&cmd, "vidcontrol -f %s %s", p, fnt);
293 			if (verbose)
294 				fprintf(stderr, "%s\n", cmd);
295 			system(cmd);
296 			free(cmd);
297 		}
298 	} else
299 		fprintf(stderr, "Which font size? %s\n", fnt);
300 
301 	free(tmp);
302 }
303 
304 /*
305  * Execute 'kbdcontrol' with the appropriate arguments
306  */
307 static void
308 do_kbdcontrol(struct keymap *km)
309 {
310 	char *kbd_cmd;
311 	asprintf(&kbd_cmd, "kbdcontrol -l %s/%s", dir, km->keym);
312 
313 	if (!x11)
314 		system(kbd_cmd);
315 
316 	fprintf(stderr, "keymap=\"%s\"\n", km->keym);
317 	free(kbd_cmd);
318 }
319 
320 /*
321  * Call 'vidcontrol' with the appropriate arguments
322  */
323 static void
324 do_vidfont(struct keymap *km)
325 {
326 	char *vid_cmd, *tmp, *p, *q;
327 
328 	asprintf(&vid_cmd, "%s/%s", dir, km->keym);
329 	vidcontrol(vid_cmd);
330 	free(vid_cmd);
331 
332 	tmp = strdup(km->keym);
333 	p = strrchr(tmp, '-');
334 	if (p && p[1]!='\0') {
335 		p++;
336 		q = get_extension(p);
337 		if (q) {
338 			*q = '\0';
339 			printf("font%s=%s\n", p, km->keym);
340 		}
341 	}
342 	free(tmp);
343 }
344 
345 /*
346  * Display dialog from 'keymaps[]'
347  */
348 static void
349 show_dialog(struct keymap **km_sorted, int num_keymaps)
350 {
351 	FILE *fp;
352 	char *cmd, *dialog;
353 	char tmp_name[] = "/tmp/_kbd_lang.XXXX";
354 	int fd, i, size;
355 
356 	fd = mkstemp(tmp_name);
357 	if (fd == -1) {
358 		fprintf(stderr, "Could not open temporary file \"%s\"\n",
359 		    tmp_name);
360 		exit(1);
361 	}
362 	asprintf(&dialog, "/usr/bin/dialog --clear --title \"Keyboard Menu\" "
363 			  "--menu \"%s\" 0 0 0", menu);
364 
365 	/* start right font, assume that current font is equal
366 	 * to default font in /etc/rc.conf
367 	 *
368 	 * $font is the font which require the language $lang; e.g.
369 	 * russian *need* a koi8 font
370 	 * $font_current is the current font from /etc/rc.conf
371 	 */
372 	if (font && strcmp(font, font_current))
373 		vidcontrol(font);
374 
375 	/* Build up the command */
376 	size = 0;
377 	for (i=0; i<num_keymaps; i++) {
378 		/*
379 		 * Each 'font' is passed as ' "font" ""', so allow the
380 		 * extra space
381 		 */
382 		size += strlen(km_sorted[i]->desc) + 6;
383 	}
384 
385 	/* Allow the space for '2> tmpfilename' redirection */
386 	size += strlen(tmp_name) + 3;
387 
388 	cmd = (char *) malloc(strlen(dialog) + size + 1);
389 	strcpy(cmd, dialog);
390 
391 	for (i=0; i<num_keymaps; i++) {
392 		strcat(cmd, " \"");
393 		strcat(cmd, km_sorted[i]->desc);
394 		strcat(cmd, "\"");
395 		strcat(cmd, " \"\"");
396 	}
397 
398 	strcat(cmd, " 2>");
399 	strcat(cmd, tmp_name);
400 
401 	/* Show the dialog.. */
402 	system(cmd);
403 
404 	fp = fopen(tmp_name, "r");
405 	if (fp) {
406 		char choice[64];
407 		if (fgets(choice, sizeof(choice), fp) != NULL) {
408 			/* Find key for desc */
409 			for (i=0; i<num_keymaps; i++) {
410 				if (!strcmp(choice, km_sorted[i]->desc)) {
411 					if (!strcmp(program, "kbdmap"))
412 						do_kbdcontrol(km_sorted[i]);
413 					else
414 						do_vidfont(km_sorted[i]);
415 					break;
416 				}
417 			}
418 		} else {
419 			if (font != NULL && strcmp(font, font_current))
420 				/* Cancelled, restore old font */
421 				vidcontrol(font_current);
422 		}
423 		fclose(fp);
424 	} else
425 		fprintf(stderr, "Failed to open temporary file");
426 
427 	/* Tidy up */
428 	remove(tmp_name);
429 	free(cmd);
430 	free(dialog);
431 	close(fd);
432 }
433 
434 /*
435  * Search for 'token' in comma delimited array 'buffer'.
436  * Return true for found, false for not found.
437  */
438 static int
439 find_token(const char *buffer, const char *token)
440 {
441 	char *buffer_tmp, *buffer_copy, *inputstring;
442 	char **ap;
443 	int found;
444 
445 	buffer_copy = strdup(buffer);
446 	buffer_tmp = buffer_copy;
447 	inputstring = buffer_copy;
448 	ap = &buffer_tmp;
449 
450 	found = 0;
451 
452 	while ((*ap = strsep(&inputstring, ",")) != NULL) {
453 		if (strcmp(buffer_tmp, token) == 0) {
454 			found = 1;
455 			break;
456 		}
457 	}
458 
459 	free(buffer_copy);
460 
461 	return found;
462 }
463 
464 /*
465  * Compare function for qsort
466  */
467 static int
468 compare_keymap(const void *a, const void *b)
469 {
470 
471 	/* We've been passed pointers to pointers, so: */
472 	const struct keymap *km1 = *((const struct keymap * const *) a);
473 	const struct keymap *km2 = *((const struct keymap * const *) b);
474 
475 	return strcmp(km1->desc, km2->desc);
476 }
477 
478 /*
479  * Compare function for qsort
480  */
481 static int
482 compare_lang(const void *a, const void *b)
483 {
484 	const char *l1 = *((const char * const *) a);
485 	const char *l2 = *((const char * const *) b);
486 
487 	return strcmp(l1, l2);
488 }
489 
490 /*
491  * Change '8x8' to '8x08' so qsort will put it before eg. '8x14'
492  */
493 static void
494 kludge_desc(struct keymap **km_sorted, int num_keymaps)
495 {
496 	int i;
497 
498 	for (i=0; i<num_keymaps; i++) {
499 		char *p;
500 		char *km = km_sorted[i]->desc;
501 		if ((p = strstr(km, "8x8")) != NULL) {
502 			int len;
503 			int j;
504 			int offset;
505 
506 			offset = p - km;
507 
508 			/* Make enough space for the extra '0' */
509 			len = strlen(km);
510 			km = realloc(km, len + 2);
511 
512 			for (j=len; j!=offset+1; j--)
513 				km[j + 1] = km[j];
514 
515 			km[offset+2] = '0';
516 
517 			km_sorted[i]->desc = km;
518 		}
519 	}
520 }
521 
522 /*
523  * Reverse 'kludge_desc()' - change '8x08' back to '8x8'
524  */
525 static void
526 unkludge_desc(struct keymap **km_sorted, int num_keymaps)
527 {
528 	int i;
529 
530 	for (i=0; i<num_keymaps; i++) {
531 		char *p;
532 		char *km = km_sorted[i]->desc;
533 		if ((p = strstr(km, "8x08")) != NULL) {
534 			p += 2;
535 			while (*p++)
536 				p[-1] = p[0];
537 
538 			km = realloc(km, p - km - 1);
539 			km_sorted[i]->desc = km;
540 		}
541 	}
542 }
543 
544 /*
545  * Return 0 if file exists and is readable, else -1
546  */
547 static int
548 check_file(const char *keym)
549 {
550 	int status = 0;
551 
552 	if (access(keym, R_OK) == -1) {
553 		char *fn;
554 		asprintf(&fn, "%s/%s", dir, keym);
555 		if (access(fn, R_OK) == -1) {
556 			if (verbose)
557 				fprintf(stderr, "%s not found!\n", fn);
558 			status = -1;
559 		}
560 		free(fn);
561 	} else {
562 		if (verbose)
563 			fprintf(stderr, "No read permission for %s!\n", keym);
564 		status = -1;
565 	}
566 
567 	return status;
568 }
569 
570 /*
571  * Read options from the relevant configuration file, then
572  *  present to user.
573  */
574 static void
575 menu_read(void)
576 {
577 	const char *lg;
578 	char *p;
579 	int mark, num_keymaps, items, i;
580 	char buffer[256], filename[PATH_MAX];
581 	char keym[64], lng[64], desc[256];
582 	char dialect[64], lang_abk[64];
583 	struct keymap *km;
584 	struct keymap **km_sorted;
585 	struct dirent *dp;
586 	StringList *lang_list;
587 	FILE *fp;
588 	DIR *dirp;
589 
590 	lang_list = sl_init();
591 
592 	sprintf(filename, "%s/INDEX.%s", dir, extract_name(dir));
593 
594 	/* en_US.ISO8859-1 -> en_..\.ISO8859-1 */
595 	strlcpy(dialect, lang, sizeof(dialect));
596 	if (strlen(dialect) >= 6 && dialect[2] == '_') {
597 		dialect[3] = '.';
598 		dialect[4] = '.';
599 	}
600 
601 
602 	/* en_US.ISO8859-1 -> en */
603 	strlcpy(lang_abk, lang, sizeof(lang_abk));
604 	if (strlen(lang_abk) >= 3 && lang_abk[2] == '_')
605 		lang_abk[2] = '\0';
606 
607 	fprintf(stderr, "lang_default = %s\n", lang_default);
608 	fprintf(stderr, "dialect = %s\n", dialect);
609 	fprintf(stderr, "lang_abk = %s\n", lang_abk);
610 
611 	fp = fopen(filename, "r");
612 	if (fp) {
613 		int matches;
614 		while (fgets(buffer, sizeof(buffer), fp)) {
615 			p = buffer;
616 			if (p[0] == '#')
617 				continue;
618 
619 			while (isspace(*p))
620 				p++;
621 
622 			if (*p == '\0')
623 				continue;
624 
625 			/* Parse input, removing newline */
626 			matches = sscanf(p, "%64[^:]:%64[^:]:%256[^:\n]",
627 			    keym, lng, desc);
628 			if (matches == 3) {
629 				if (strcmp(keym, "FONT")
630 				    && strcmp(keym, "MENU")) {
631 					/* Check file exists & is readable */
632 					if (check_file(keym) == -1)
633 						continue;
634 				}
635 			}
636 
637 			if (show) {
638 				/*
639 				 * Take note of supported languages, which
640 				 * might be in a comma-delimited list
641 				 */
642 				char *tmp = strdup(lng);
643 				char *delim = tmp;
644 
645 				for (delim = tmp; ; ) {
646 					char ch = *delim++;
647 					if (ch == ',' || ch == '\0') {
648 						delim[-1] = '\0';
649 						if (!sl_find(lang_list, tmp))
650 							sl_add(lang_list, tmp);
651 						if (ch == '\0')
652 							break;
653 						tmp = delim;
654 					}
655 				}
656 			}
657 			/* Set empty language to default language */
658 			if (lng[0] == '\0')
659 				lg = lang_default;
660 			else
661 				lg = lng;
662 
663 
664 			/* 4) Your choice if it exists
665 			 * 3) Long match eg. en_GB.ISO8859-1 is equal to
666 			 *      en_..\.ISO8859-1
667 			 * 2) short match 'de'
668 			 * 1) default langlist 'en'
669 			 * 0) any language
670 			 *
671 			 * Language may be a comma separated list
672 			 * A higher match overwrites a lower
673 			 * A later entry overwrites a previous if it exists
674 			 *     twice in the database
675 			 */
676 
677 			/* Check for favoured language */
678 			km = get_keymap(keym);
679 			mark = (km) ? km->mark : 0;
680 
681 			if (find_token(lg, lang))
682 				add_keymap(desc, 4, keym);
683 			else if (mark <= 3 && find_token(lg, dialect))
684 				add_keymap(desc, 3, keym);
685 			else if (mark <= 2 && find_token(lg, lang_abk))
686 				add_keymap(desc, 2, keym);
687 			else if (mark <= 1 && find_token(lg, lang_default))
688 				add_keymap(desc, 1, keym);
689 			else if (mark <= 0)
690 				add_keymap(desc, 0, keym);
691 		}
692 		fclose(fp);
693 
694 	} else
695 		fprintf(stderr, "Could not open %s for reading\n", filename);
696 
697 	if (show) {
698 		qsort(lang_list->sl_str, lang_list->sl_cur, sizeof(char*),
699 		    compare_lang);
700 		printf("Currently supported languages: ");
701 		for (i=0; i< (int) lang_list->sl_cur; i++)
702 			printf("%s ", lang_list->sl_str[i]);
703 		puts("");
704 		exit(0);
705 	}
706 
707 	km = get_keymap("MENU");
708 	if (km)
709 		/* Take note of menu title */
710 		menu = strdup(km->desc);
711 	km = get_keymap("FONT");
712 	if (km)
713 		/* Take note of language font */
714 		font = strdup(km->desc);
715 
716 	/* Remove unwanted items from list */
717 	remove_keymap("MENU");
718 	remove_keymap("FONT");
719 
720 	/* Look for keymaps not in database */
721 	dirp = opendir(dir);
722 	if (dirp) {
723 		while ((dp = readdir(dirp)) != NULL) {
724 			const char *ext = get_extension(dp->d_name);
725 			if (ext) {
726 				if ((!strcmp(ext, ".fnt") ||
727 				    !strcmp(ext, ".kbd")) &&
728 				    !get_keymap(dp->d_name)) {
729 					char *q;
730 
731 					/* Remove any .fnt or .kbd extension */
732 					q = strdup(dp->d_name);
733 					*(get_extension(q)) = '\0';
734 					add_keymap(q, 0, dp->d_name);
735 					free(q);
736 
737 					if (verbose)
738 						fprintf(stderr,
739 						    "'%s' not in database\n",
740 						    dp->d_name);
741 				}
742 			}
743 		}
744 		closedir(dirp);
745 	} else
746 		fprintf(stderr, "Could not open directory '%s'\n", dir);
747 
748 	/* Sort items in keymap */
749 	num_keymaps = get_num_keymaps();
750 
751 	km_sorted = (struct keymap **)
752 	    malloc(num_keymaps*sizeof(struct keymap *));
753 
754 	/* Make array of pointers to items in hash */
755 	items = 0;
756 	SLIST_FOREACH(km, &head, entries)
757 		km_sorted[items++] = km;
758 
759 	/* Change '8x8' to '8x08' so sort works as we might expect... */
760 	kludge_desc(km_sorted, num_keymaps);
761 
762 	qsort(km_sorted, num_keymaps, sizeof(struct keymap *), compare_keymap);
763 
764 	/* ...change back again */
765 	unkludge_desc(km_sorted, num_keymaps);
766 
767 	if (print) {
768 		for (i=0; i<num_keymaps; i++)
769 			printf("%s\n", km_sorted[i]->desc);
770 		exit(0);
771 	}
772 
773 	show_dialog(km_sorted, num_keymaps);
774 
775 	free(km_sorted);
776 }
777 
778 /*
779  * Display usage information and exit
780  */
781 static void
782 usage(void)
783 {
784 
785 	fprintf(stderr, "usage: %s\t[-K] [-V] [-d|-default] [-h|-help] "
786 	    "[-l|-lang language]\n\t\t[-p|-print] [-r|-restore] [-s|-show] "
787 	    "[-v|-verbose]\n", program);
788 	exit(1);
789 }
790 
791 static void
792 parse_args(int argc, char **argv)
793 {
794 	int i;
795 
796 	for (i=1; i<argc; i++) {
797 		if (argv[i][0] != '-')
798 			usage();
799 		else if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-h"))
800 			usage();
801 		else if (!strcmp(argv[i], "-verbose") || !strcmp(argv[i], "-v"))
802 			verbose = 1;
803 		else if (!strcmp(argv[i], "-lang") || !strcmp(argv[i], "-l"))
804 			if (i + 1 == argc)
805 				usage();
806 			else
807 				lang = argv[++i];
808 		else if (!strcmp(argv[i], "-default") || !strcmp(argv[i], "-d"))
809 			lang = lang_default;
810 		else if (!strcmp(argv[i], "-show") || !strcmp(argv[i], "-s"))
811 			show = 1;
812 		else if (!strcmp(argv[i], "-print") || !strcmp(argv[i], "-p"))
813 			print = 1;
814 		else if (!strcmp(argv[i], "-restore") ||
815 		    !strcmp(argv[i], "-r")) {
816 			vidcontrol(font_current);
817 			exit(0);
818 		} else if (!strcmp(argv[i], "-K"))
819 			dir = keymapdir;
820 		else if (!strcmp(argv[i], "-V"))
821 			dir = fontdir;
822 		else
823 			usage();
824 	}
825 }
826 
827 /*
828  * A front-end for the 'vidfont' and 'kbdmap' programs.
829  */
830 int
831 main(int argc, char **argv)
832 {
833 
834 	x11 = system("kbdcontrol -d >/dev/null");
835 
836 	if (x11) {
837 		fprintf(stderr, "You are not on a virtual console - "
838 				"expect certain strange side-effects\n");
839 		sleep(2);
840 	}
841 
842 	using_vt = check_vt();
843 	if (using_vt == 0) {
844 		keymapdir = DEFAULT_SC_KEYMAP_DIR;
845 		fontdir = DEFAULT_SC_FONT_DIR;
846 		font_default = DEFAULT_SC_FONT;
847 	}
848 
849 	SLIST_INIT(&head);
850 
851 	lang = get_locale();
852 
853 	program = extract_name(argv[0]);
854 
855 	font_current = get_font();
856 	if (font_current == NULL)
857 		font_current = font_default;
858 
859 	if (strcmp(program, "kbdmap"))
860 		dir = fontdir;
861 	else
862 		dir = keymapdir;
863 
864 	/* Parse command line arguments */
865 	parse_args(argc, argv);
866 
867 	/* Read and display options */
868 	menu_read();
869 
870 	return 0;
871 }
872