2 * Copyright (c) 2002 Jonathan Belson <jon@witchspace.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/types.h>
31 #include <sys/queue.h>
32 #include <sys/sysctl.h>
41 #include <stringlist.h>
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 = "";
69 SLIST_ENTRY(keymap) entries;
71 static SLIST_HEAD(slisthead, keymap) head = SLIST_HEAD_INITIALIZER(head);
75 * Get keymap entry for 'key', or NULL of not found
77 static struct keymap *
78 get_keymap(const char *key)
82 SLIST_FOREACH(km, &head, entries)
83 if (!strcmp(km->keym, key))
90 * Count the number of keymaps we found
98 SLIST_FOREACH(km, &head, entries)
105 * Remove any keymap with given keym
108 remove_keymap(const char *keym)
112 SLIST_FOREACH(km, &head, entries) {
113 if (!strcmp(keym, km->keym)) {
114 SLIST_REMOVE(&head, km, keymap, entries);
122 * Add to hash with 'key'
125 add_keymap(const char *desc, int mark, const char *keym)
127 struct keymap *km, *km_new;
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 */
134 km->desc = strdup(desc);
140 km_new = (struct keymap *) malloc (sizeof(struct keymap));
141 km_new->desc = strdup(desc);
142 km_new->keym = strdup(keym);
145 /* Add to keymap list */
146 SLIST_INSERT_HEAD(&head, km_new, entries);
150 * Return 0 if syscons is in use (to select legacy defaults).
159 if (sysctlbyname("kern.vty", &term, &len, NULL, 0) != 0 ||
160 strcmp(term, "vt") != 0)
166 * Figure out the default language to use.
173 if ((locale = getenv("LC_ALL")) == NULL &&
174 (locale = getenv("LC_CTYPE")) == NULL &&
175 (locale = getenv("LANG")) == NULL)
176 locale = lang_default;
178 /* Check for alias */
179 if (!strcmp(locale, "C"))
180 locale = DEFAULT_LANG;
186 * Extract filename part
189 extract_name(const char *name)
193 p = strrchr(name, '/');
194 if (p != NULL && p[1] != '\0')
201 * Return file extension or NULL
204 get_extension(const char *name)
208 p = strrchr(name, '.');
210 if (p != NULL && p[1] != '\0')
217 * Read font from /etc/rc.conf else return default.
218 * Freeing the memory is the caller's responsibility.
223 char line[256], buf[20];
226 FILE *fp = fopen(sysconfig, "r");
228 while (fgets(line, sizeof(line), fp)) {
234 matches = sscanf(line,
235 " font%dx%d = \"%20[-.0-9a-zA-Z_]",
238 if (strcmp(buf, "NO")) {
241 fnt = (char *) malloc(strlen(buf) + 1);
248 fprintf(stderr, "Could not open %s for reading\n", sysconfig);
254 * Set a font using 'vidcontrol'
257 vidcontrol(const char *fnt)
263 /* syscons test failed */
269 /* Extract font size */
270 p = strrchr(tmp, '-');
271 if (p && p[1] != '\0') {
273 /* Remove any '.fnt' extension */
274 if ((q = strstr(p, ".fnt")))
278 * Check font size is valid, with no trailing characters
279 * ('&ch' should not be matched)
281 if (sscanf(p, "%dx%d%c", &i, &i, &ch) != 2)
282 fprintf(stderr, "Which font size? %s\n", fnt);
285 asprintf(&cmd, "vidcontrol -f %s %s", p, fnt);
287 fprintf(stderr, "%s\n", cmd);
292 fprintf(stderr, "Which font size? %s\n", fnt);
298 * Execute 'kbdcontrol' with the appropriate arguments
301 do_kbdcontrol(struct keymap *km)
304 asprintf(&kbd_cmd, "kbdcontrol -l %s/%s", dir, km->keym);
309 fprintf(stderr, "keymap=\"%s\"\n", km->keym);
314 * Call 'vidcontrol' with the appropriate arguments
317 do_vidfont(struct keymap *km)
319 char *vid_cmd, *tmp, *p, *q;
321 asprintf(&vid_cmd, "%s/%s", dir, km->keym);
325 tmp = strdup(km->keym);
326 p = strrchr(tmp, '-');
327 if (p && p[1]!='\0') {
329 q = get_extension(p);
332 printf("font%s=%s\n", p, km->keym);
339 * Display dialog from 'keymaps[]'
342 show_dialog(struct keymap **km_sorted, int num_keymaps)
346 char tmp_name[] = "/tmp/_kbd_lang.XXXX";
349 fd = mkstemp(tmp_name);
351 fprintf(stderr, "Could not open temporary file \"%s\"\n",
355 asprintf(&dialog, "/usr/bin/dialog --clear --title \"Keyboard Menu\" "
356 "--menu \"%s\" 0 0 0", menu);
358 /* start right font, assume that current font is equal
359 * to default font in /etc/rc.conf
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
365 if (font && strcmp(font, font_current))
368 /* Build up the command */
370 for (i=0; i<num_keymaps; i++) {
372 * Each 'font' is passed as ' "font" ""', so allow the
375 size += strlen(km_sorted[i]->desc) + 6;
378 /* Allow the space for '2> tmpfilename' redirection */
379 size += strlen(tmp_name) + 3;
381 cmd = (char *) malloc(strlen(dialog) + size + 1);
384 for (i=0; i<num_keymaps; i++) {
386 strcat(cmd, km_sorted[i]->desc);
388 strcat(cmd, " \"\"");
392 strcat(cmd, tmp_name);
394 /* Show the dialog.. */
397 fp = fopen(tmp_name, "r");
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]);
407 do_vidfont(km_sorted[i]);
412 if (font != NULL && strcmp(font, font_current))
413 /* Cancelled, restore old font */
414 vidcontrol(font_current);
418 fprintf(stderr, "Failed to open temporary file");
428 * Search for 'token' in comma delimited array 'buffer'.
429 * Return true for found, false for not found.
432 find_token(const char *buffer, const char *token)
434 char *buffer_tmp, *buffer_copy, *inputstring;
438 buffer_copy = strdup(buffer);
439 buffer_tmp = buffer_copy;
440 inputstring = buffer_copy;
445 while ((*ap = strsep(&inputstring, ",")) != NULL) {
446 if (strcmp(buffer_tmp, token) == 0) {
458 * Compare function for qsort
461 compare_keymap(const void *a, const void *b)
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);
468 return strcmp(km1->desc, km2->desc);
472 * Compare function for qsort
475 compare_lang(const void *a, const void *b)
477 const char *l1 = *((const char * const *) a);
478 const char *l2 = *((const char * const *) b);
480 return strcmp(l1, l2);
484 * Change '8x8' to '8x08' so qsort will put it before eg. '8x14'
487 kludge_desc(struct keymap **km_sorted, int num_keymaps)
491 for (i=0; i<num_keymaps; i++) {
493 char *km = km_sorted[i]->desc;
494 if ((p = strstr(km, "8x8")) != NULL) {
501 /* Make enough space for the extra '0' */
503 km = realloc(km, len + 2);
505 for (j=len; j!=offset+1; j--)
510 km_sorted[i]->desc = km;
516 * Reverse 'kludge_desc()' - change '8x08' back to '8x8'
519 unkludge_desc(struct keymap **km_sorted, int num_keymaps)
523 for (i=0; i<num_keymaps; i++) {
525 char *km = km_sorted[i]->desc;
526 if ((p = strstr(km, "8x08")) != NULL) {
531 km = realloc(km, p - km - 1);
532 km_sorted[i]->desc = km;
538 * Return 0 if file exists and is readable, else -1
541 check_file(const char *keym)
545 if (access(keym, R_OK) == -1) {
547 asprintf(&fn, "%s/%s", dir, keym);
548 if (access(fn, R_OK) == -1) {
550 fprintf(stderr, "%s not found!\n", fn);
556 fprintf(stderr, "No read permission for %s!\n", keym);
564 * Read options from the relevant configuration file, then
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];
577 struct keymap **km_sorted;
579 StringList *lang_list;
583 lang_list = sl_init();
585 sprintf(filename, "%s/INDEX.%s", dir, extract_name(dir));
587 /* en_US.ISO8859-1 -> en_..\.ISO8859-1 */
588 strlcpy(dialect, lang, sizeof(dialect));
589 if (strlen(dialect) >= 6 && dialect[2] == '_') {
595 /* en_US.ISO8859-1 -> en */
596 strlcpy(lang_abk, lang, sizeof(lang_abk));
597 if (strlen(lang_abk) >= 3 && lang_abk[2] == '_')
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);
604 fp = fopen(filename, "r");
607 while (fgets(buffer, sizeof(buffer), fp)) {
618 /* Parse input, removing newline */
619 matches = sscanf(p, "%64[^:]:%64[^:]:%256[^:\n]",
622 if (strcmp(keym, "FONT")
623 && strcmp(keym, "MENU")) {
624 /* Check file exists & is readable */
625 if (check_file(keym) == -1)
632 * Take note of supported languages, which
633 * might be in a comma-delimited list
635 char *tmp = strdup(lng);
638 for (delim = tmp; ; ) {
640 if (ch == ',' || ch == '\0') {
642 if (!sl_find(lang_list, tmp))
643 sl_add(lang_list, tmp);
650 /* Set empty language to default language */
657 /* 4) Your choice if it exists
658 * 3) Long match eg. en_GB.ISO8859-1 is equal to
660 * 2) short match 'de'
661 * 1) default langlist 'en'
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
670 /* Check for favoured language */
671 km = get_keymap(keym);
672 mark = (km) ? km->mark : 0;
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);
683 add_keymap(desc, 0, keym);
688 printf("Could not open file\n");
691 qsort(lang_list->sl_str, lang_list->sl_cur, sizeof(char*),
693 printf("Currently supported languages: ");
694 for (i=0; i< (int) lang_list->sl_cur; i++)
695 printf("%s ", lang_list->sl_str[i]);
700 km = get_keymap("MENU");
702 /* Take note of menu title */
703 menu = strdup(km->desc);
704 km = get_keymap("FONT");
706 /* Take note of language font */
707 font = strdup(km->desc);
709 /* Remove unwanted items from list */
710 remove_keymap("MENU");
711 remove_keymap("FONT");
713 /* Look for keymaps not in database */
716 while ((dp = readdir(dirp)) != NULL) {
717 const char *ext = get_extension(dp->d_name);
719 if ((!strcmp(ext, ".fnt") ||
720 !strcmp(ext, ".kbd")) &&
721 !get_keymap(dp->d_name)) {
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);
732 "'%s' not in database\n",
739 fprintf(stderr, "Could not open directory '%s'\n", dir);
741 /* Sort items in keymap */
742 num_keymaps = get_num_keymaps();
744 km_sorted = (struct keymap **)
745 malloc(num_keymaps*sizeof(struct keymap *));
747 /* Make array of pointers to items in hash */
749 SLIST_FOREACH(km, &head, entries)
750 km_sorted[items++] = km;
752 /* Change '8x8' to '8x08' so sort works as we might expect... */
753 kludge_desc(km_sorted, num_keymaps);
755 qsort(km_sorted, num_keymaps, sizeof(struct keymap *), compare_keymap);
757 /* ...change back again */
758 unkludge_desc(km_sorted, num_keymaps);
761 for (i=0; i<num_keymaps; i++)
762 printf("%s\n", km_sorted[i]->desc);
766 show_dialog(km_sorted, num_keymaps);
772 * Display usage information and exit
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);
785 parse_args(int argc, char **argv)
789 for (i=1; i<argc; i++) {
790 if (argv[i][0] != '-')
792 else if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-h"))
794 else if (!strcmp(argv[i], "-verbose") || !strcmp(argv[i], "-v"))
796 else if (!strcmp(argv[i], "-lang") || !strcmp(argv[i], "-l"))
801 else if (!strcmp(argv[i], "-default") || !strcmp(argv[i], "-d"))
803 else if (!strcmp(argv[i], "-show") || !strcmp(argv[i], "-s"))
805 else if (!strcmp(argv[i], "-print") || !strcmp(argv[i], "-p"))
807 else if (!strcmp(argv[i], "-restore") ||
808 !strcmp(argv[i], "-r")) {
809 vidcontrol(font_current);
811 } else if (!strcmp(argv[i], "-K"))
813 else if (!strcmp(argv[i], "-V"))
821 * A front-end for the 'vidfont' and 'kbdmap' programs.
824 main(int argc, char **argv)
827 x11 = system("kbdcontrol -d >/dev/null");
830 fprintf(stderr, "You are not on a virtual console - "
831 "expect certain strange side-effects\n");
835 if (check_newcons() == 0) {
836 keymapdir = DEFAULT_SC_KEYMAP_DIR;
837 fontdir = DEFAULT_SC_FONT_DIR;
838 font_default = DEFAULT_SC_FONT;
845 program = extract_name(argv[0]);
847 font_current = get_font();
848 if (font_current == NULL)
849 font_current = font_default;
851 if (strcmp(program, "kbdmap"))
856 /* Parse command line arguments */
857 parse_args(argc, argv);
859 /* Read and display options */