2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2002 Jonathan Belson <jon@witchspace.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/types.h>
33 #include <sys/queue.h>
34 #include <sys/sysctl.h>
43 #include <stringlist.h>
49 static const char *lang_default = DEFAULT_LANG;
50 static const char *font;
51 static const char *lang;
52 static const char *program;
53 static const char *keymapdir = DEFAULT_VT_KEYMAP_DIR;
54 static const char *fontdir = DEFAULT_VT_FONT_DIR;
55 static const char *font_default = DEFAULT_VT_FONT;
56 static const char *sysconfig = DEFAULT_SYSCONFIG;
57 static const char *font_current;
58 static const char *dir;
59 static const char *menu = "";
60 static const char *title = "Keyboard Menu";
73 SLIST_ENTRY(keymap) entries;
75 static SLIST_HEAD(slisthead, keymap) head = SLIST_HEAD_INITIALIZER(head);
79 * Get keymap entry for 'key', or NULL of not found
81 static struct keymap *
82 get_keymap(const char *key)
86 SLIST_FOREACH(km, &head, entries)
87 if (!strcmp(km->keym, key))
94 * Count the number of keymaps we found
102 SLIST_FOREACH(km, &head, entries)
109 * Remove any keymap with given keym
112 remove_keymap(const char *keym)
116 SLIST_FOREACH(km, &head, entries) {
117 if (!strcmp(keym, km->keym)) {
118 SLIST_REMOVE(&head, km, keymap, entries);
126 * Add to hash with 'key'
129 add_keymap(const char *desc, int mark, const char *keym)
131 struct keymap *km, *km_new;
133 /* Is there already an entry with this key? */
134 SLIST_FOREACH(km, &head, entries) {
135 if (!strcmp(km->keym, keym)) {
136 /* Reuse this entry */
138 km->desc = strdup(desc);
144 km_new = (struct keymap *) malloc (sizeof(struct keymap));
145 km_new->desc = strdup(desc);
146 km_new->keym = strdup(keym);
149 /* Add to keymap list */
150 SLIST_INSERT_HEAD(&head, km_new, entries);
154 * Return 0 if syscons is in use (to select legacy defaults).
163 if (sysctlbyname("kern.vty", &term, &len, NULL, 0) != 0 ||
164 strcmp(term, "vt") != 0)
170 * Figure out the default language to use.
177 if ((locale = getenv("LC_ALL")) == NULL &&
178 (locale = getenv("LC_CTYPE")) == NULL &&
179 (locale = getenv("LANG")) == NULL)
180 locale = lang_default;
182 /* Check for alias */
183 if (!strcmp(locale, "C"))
184 locale = DEFAULT_LANG;
190 * Extract filename part
193 extract_name(const char *name)
197 p = strrchr(name, '/');
198 if (p != NULL && p[1] != '\0')
205 * Return file extension or NULL
208 get_extension(const char *name)
212 p = strrchr(name, '.');
214 if (p != NULL && p[1] != '\0')
221 * Read font from /etc/rc.conf else return default.
222 * Freeing the memory is the caller's responsibility.
227 char line[256], buf[20];
230 FILE *fp = fopen(sysconfig, "r");
232 while (fgets(line, sizeof(line), fp)) {
238 matches = sscanf(line,
239 " font%dx%d = \"%20[-.0-9a-zA-Z_]",
242 if (strcmp(buf, "NO")) {
251 fprintf(stderr, "Could not open %s for reading\n", sysconfig);
257 * Set a font using 'vidcontrol'
260 vidcontrol(const char *fnt)
262 char *tmp, *p, *q, *cmd;
266 /* syscons test failed */
271 asprintf(&cmd, "vidcontrol -f %s", fnt);
279 /* Extract font size */
280 p = strrchr(tmp, '-');
281 if (p && p[1] != '\0') {
283 /* Remove any '.fnt' extension */
284 if ((q = strstr(p, ".fnt")))
288 * Check font size is valid, with no trailing characters
289 * ('&ch' should not be matched)
291 if (sscanf(p, "%dx%d%c", &i, &i, &ch) != 2)
292 fprintf(stderr, "Which font size? %s\n", fnt);
294 asprintf(&cmd, "vidcontrol -f %s %s", p, fnt);
296 fprintf(stderr, "%s\n", cmd);
301 fprintf(stderr, "Which font size? %s\n", fnt);
307 * Execute 'kbdcontrol' with the appropriate arguments
310 do_kbdcontrol(struct keymap *km)
313 asprintf(&kbd_cmd, "kbdcontrol -l %s/%s", dir, km->keym);
318 fprintf(stderr, "keymap=\"%s\"\n", km->keym);
323 * Call 'vidcontrol' with the appropriate arguments
326 do_vidfont(struct keymap *km)
328 char *vid_cmd, *tmp, *p, *q;
330 asprintf(&vid_cmd, "%s/%s", dir, km->keym);
334 tmp = strdup(km->keym);
335 p = strrchr(tmp, '-');
336 if (p && p[1]!='\0') {
338 q = get_extension(p);
341 printf("font%s=%s\n", p, km->keym);
348 * Display dialog from 'keymaps[]'
351 show_dialog(struct keymap **km_sorted, int num_keymaps)
355 char tmp_name[] = "/tmp/_kbd_lang.XXXX";
358 fd = mkstemp(tmp_name);
360 fprintf(stderr, "Could not open temporary file \"%s\"\n",
364 asprintf(&dialog, "/usr/bin/dialog --clear --title \"%s\" "
365 "--menu \"%s\" 0 0 0", title, menu);
367 /* start right font, assume that current font is equal
368 * to default font in /etc/rc.conf
370 * $font is the font which require the language $lang; e.g.
371 * russian *need* a koi8 font
372 * $font_current is the current font from /etc/rc.conf
374 if (font && strcmp(font, font_current))
377 /* Build up the command */
379 for (i=0; i<num_keymaps; i++) {
381 * Each 'font' is passed as ' "font" ""', so allow the
384 size += strlen(km_sorted[i]->desc) + 6;
387 /* Allow the space for '2> tmpfilename' redirection */
388 size += strlen(tmp_name) + 3;
390 cmd = (char *) malloc(strlen(dialog) + size + 1);
393 for (i=0; i<num_keymaps; i++) {
395 strcat(cmd, km_sorted[i]->desc);
397 strcat(cmd, " \"\"");
401 strcat(cmd, tmp_name);
403 /* Show the dialog.. */
406 fp = fopen(tmp_name, "r");
409 if (fgets(choice, sizeof(choice), fp) != NULL) {
410 /* Find key for desc */
411 for (i=0; i<num_keymaps; i++) {
412 if (!strcmp(choice, km_sorted[i]->desc)) {
413 if (!strcmp(program, "kbdmap"))
414 do_kbdcontrol(km_sorted[i]);
416 do_vidfont(km_sorted[i]);
421 if (font != NULL && strcmp(font, font_current))
422 /* Cancelled, restore old font */
423 vidcontrol(font_current);
427 fprintf(stderr, "Failed to open temporary file");
437 * Search for 'token' in comma delimited array 'buffer'.
438 * Return true for found, false for not found.
441 find_token(const char *buffer, const char *token)
443 char *buffer_tmp, *buffer_copy, *inputstring;
447 buffer_copy = strdup(buffer);
448 buffer_tmp = buffer_copy;
449 inputstring = buffer_copy;
454 while ((*ap = strsep(&inputstring, ",")) != NULL) {
455 if (strcmp(buffer_tmp, token) == 0) {
467 * Compare function for qsort
470 compare_keymap(const void *a, const void *b)
473 /* We've been passed pointers to pointers, so: */
474 const struct keymap *km1 = *((const struct keymap * const *) a);
475 const struct keymap *km2 = *((const struct keymap * const *) b);
477 return strcmp(km1->desc, km2->desc);
481 * Compare function for qsort
484 compare_lang(const void *a, const void *b)
486 const char *l1 = *((const char * const *) a);
487 const char *l2 = *((const char * const *) b);
489 return strcmp(l1, l2);
493 * Change '8x8' to '8x08' so qsort will put it before eg. '8x14'
496 kludge_desc(struct keymap **km_sorted, int num_keymaps)
500 for (i=0; i<num_keymaps; i++) {
502 char *km = km_sorted[i]->desc;
503 if ((p = strstr(km, "8x8")) != NULL) {
510 /* Make enough space for the extra '0' */
512 km = realloc(km, len + 2);
514 for (j=len; j!=offset+1; j--)
519 km_sorted[i]->desc = km;
525 * Reverse 'kludge_desc()' - change '8x08' back to '8x8'
528 unkludge_desc(struct keymap **km_sorted, int num_keymaps)
532 for (i=0; i<num_keymaps; i++) {
534 char *km = km_sorted[i]->desc;
535 if ((p = strstr(km, "8x08")) != NULL) {
540 km = realloc(km, p - km - 1);
541 km_sorted[i]->desc = km;
547 * Return 0 if file exists and is readable, else -1
550 check_file(const char *keym)
554 if (access(keym, R_OK) == -1) {
556 asprintf(&fn, "%s/%s", dir, keym);
557 if (access(fn, R_OK) == -1) {
559 fprintf(stderr, "%s not found!\n", fn);
565 fprintf(stderr, "No read permission for %s!\n", keym);
573 * Read options from the relevant configuration file, then
581 int mark, num_keymaps, items, i;
582 char buffer[256], filename[PATH_MAX];
583 char keym[64], lng[64], desc[256];
584 char dialect[64], lang_abk[64];
586 struct keymap **km_sorted;
588 StringList *lang_list;
592 lang_list = sl_init();
594 sprintf(filename, "%s/INDEX.%s", dir, extract_name(dir));
596 /* en_US.ISO8859-1 -> en_..\.ISO8859-1 */
597 strlcpy(dialect, lang, sizeof(dialect));
598 if (strlen(dialect) >= 6 && dialect[2] == '_') {
604 /* en_US.ISO8859-1 -> en */
605 strlcpy(lang_abk, lang, sizeof(lang_abk));
606 if (strlen(lang_abk) >= 3 && lang_abk[2] == '_')
609 fprintf(stderr, "lang_default = %s\n", lang_default);
610 fprintf(stderr, "dialect = %s\n", dialect);
611 fprintf(stderr, "lang_abk = %s\n", lang_abk);
613 fp = fopen(filename, "r");
616 while (fgets(buffer, sizeof(buffer), fp)) {
627 /* Parse input, removing newline */
628 matches = sscanf(p, "%64[^:]:%64[^:]:%256[^:\n]",
631 if (strcmp(keym, "FONT") != 0 &&
632 strcmp(keym, "MENU") != 0 &&
633 strcmp(keym, "TITLE") != 0) {
634 /* Check file exists & is readable */
635 if (check_file(keym) == -1)
642 * Take note of supported languages, which
643 * might be in a comma-delimited list
645 char *tmp = strdup(lng);
648 for (delim = tmp; ; ) {
650 if (ch == ',' || ch == '\0') {
652 if (!sl_find(lang_list, tmp))
653 sl_add(lang_list, tmp);
660 /* Set empty language to default language */
667 /* 4) Your choice if it exists
668 * 3) Long match eg. en_GB.ISO8859-1 is equal to
670 * 2) short match 'de'
671 * 1) default langlist 'en'
674 * Language may be a comma separated list
675 * A higher match overwrites a lower
676 * A later entry overwrites a previous if it exists
677 * twice in the database
680 /* Check for favoured language */
681 km = get_keymap(keym);
682 mark = (km) ? km->mark : 0;
684 if (find_token(lg, lang))
685 add_keymap(desc, 4, keym);
686 else if (mark <= 3 && find_token(lg, dialect))
687 add_keymap(desc, 3, keym);
688 else if (mark <= 2 && find_token(lg, lang_abk))
689 add_keymap(desc, 2, keym);
690 else if (mark <= 1 && find_token(lg, lang_default))
691 add_keymap(desc, 1, keym);
693 add_keymap(desc, 0, keym);
698 fprintf(stderr, "Could not open %s for reading\n", filename);
701 qsort(lang_list->sl_str, lang_list->sl_cur, sizeof(char*),
703 printf("Currently supported languages: ");
704 for (i=0; i< (int) lang_list->sl_cur; i++)
705 printf("%s ", lang_list->sl_str[i]);
710 km = get_keymap("TITLE");
712 /* Take note of dialog title */
713 title = strdup(km->desc);
714 km = get_keymap("MENU");
716 /* Take note of menu title */
717 menu = strdup(km->desc);
718 km = get_keymap("FONT");
720 /* Take note of language font */
721 font = strdup(km->desc);
723 /* Remove unwanted items from list */
724 remove_keymap("FONT");
725 remove_keymap("MENU");
726 remove_keymap("TITLE");
728 /* Look for keymaps not in database */
731 while ((dp = readdir(dirp)) != NULL) {
732 const char *ext = get_extension(dp->d_name);
734 if ((!strcmp(ext, ".fnt") ||
735 !strcmp(ext, ".kbd")) &&
736 !get_keymap(dp->d_name)) {
739 /* Remove any .fnt or .kbd extension */
740 q = strdup(dp->d_name);
741 *(get_extension(q)) = '\0';
742 add_keymap(q, 0, dp->d_name);
747 "'%s' not in database\n",
754 fprintf(stderr, "Could not open directory '%s'\n", dir);
756 /* Sort items in keymap */
757 num_keymaps = get_num_keymaps();
759 km_sorted = (struct keymap **)
760 malloc(num_keymaps*sizeof(struct keymap *));
762 /* Make array of pointers to items in hash */
764 SLIST_FOREACH(km, &head, entries)
765 km_sorted[items++] = km;
767 /* Change '8x8' to '8x08' so sort works as we might expect... */
768 kludge_desc(km_sorted, num_keymaps);
770 qsort(km_sorted, num_keymaps, sizeof(struct keymap *), compare_keymap);
772 /* ...change back again */
773 unkludge_desc(km_sorted, num_keymaps);
776 for (i=0; i<num_keymaps; i++)
777 printf("%s\n", km_sorted[i]->desc);
781 show_dialog(km_sorted, num_keymaps);
787 * Display usage information and exit
793 fprintf(stderr, "usage: %s\t[-K] [-V] [-d|-default] [-h|-help] "
794 "[-l|-lang language]\n\t\t[-p|-print] [-r|-restore] [-s|-show] "
795 "[-v|-verbose]\n", program);
800 parse_args(int argc, char **argv)
804 for (i=1; i<argc; i++) {
805 if (argv[i][0] != '-')
807 else if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-h"))
809 else if (!strcmp(argv[i], "-verbose") || !strcmp(argv[i], "-v"))
811 else if (!strcmp(argv[i], "-lang") || !strcmp(argv[i], "-l"))
816 else if (!strcmp(argv[i], "-default") || !strcmp(argv[i], "-d"))
818 else if (!strcmp(argv[i], "-show") || !strcmp(argv[i], "-s"))
820 else if (!strcmp(argv[i], "-print") || !strcmp(argv[i], "-p"))
822 else if (!strcmp(argv[i], "-restore") ||
823 !strcmp(argv[i], "-r")) {
824 vidcontrol(font_current);
826 } else if (!strcmp(argv[i], "-K"))
828 else if (!strcmp(argv[i], "-V"))
836 * A front-end for the 'vidfont' and 'kbdmap' programs.
839 main(int argc, char **argv)
842 x11 = system("kbdcontrol -d >/dev/null");
845 fprintf(stderr, "You are not on a virtual console - "
846 "expect certain strange side-effects\n");
850 using_vt = check_vt();
852 keymapdir = DEFAULT_SC_KEYMAP_DIR;
853 fontdir = DEFAULT_SC_FONT_DIR;
854 font_default = DEFAULT_SC_FONT;
861 program = extract_name(argv[0]);
863 font_current = get_font();
864 if (font_current == NULL)
865 font_current = font_default;
867 if (strcmp(program, "kbdmap"))
872 /* Parse command line arguments */
873 parse_args(argc, argv);
875 /* Read and display options */