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 = "";
70 SLIST_ENTRY(keymap) entries;
72 static SLIST_HEAD(slisthead, keymap) head = SLIST_HEAD_INITIALIZER(head);
76 * Get keymap entry for 'key', or NULL of not found
78 static struct keymap *
79 get_keymap(const char *key)
83 SLIST_FOREACH(km, &head, entries)
84 if (!strcmp(km->keym, key))
91 * Count the number of keymaps we found
99 SLIST_FOREACH(km, &head, entries)
106 * Remove any keymap with given keym
109 remove_keymap(const char *keym)
113 SLIST_FOREACH(km, &head, entries) {
114 if (!strcmp(keym, km->keym)) {
115 SLIST_REMOVE(&head, km, keymap, entries);
123 * Add to hash with 'key'
126 add_keymap(const char *desc, int mark, const char *keym)
128 struct keymap *km, *km_new;
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 */
135 km->desc = strdup(desc);
141 km_new = (struct keymap *) malloc (sizeof(struct keymap));
142 km_new->desc = strdup(desc);
143 km_new->keym = strdup(keym);
146 /* Add to keymap list */
147 SLIST_INSERT_HEAD(&head, km_new, entries);
151 * Return 0 if syscons is in use (to select legacy defaults).
160 if (sysctlbyname("kern.vty", &term, &len, NULL, 0) != 0 ||
161 strcmp(term, "vt") != 0)
167 * Figure out the default language to use.
174 if ((locale = getenv("LC_ALL")) == NULL &&
175 (locale = getenv("LC_CTYPE")) == NULL &&
176 (locale = getenv("LANG")) == NULL)
177 locale = lang_default;
179 /* Check for alias */
180 if (!strcmp(locale, "C"))
181 locale = DEFAULT_LANG;
187 * Extract filename part
190 extract_name(const char *name)
194 p = strrchr(name, '/');
195 if (p != NULL && p[1] != '\0')
202 * Return file extension or NULL
205 get_extension(const char *name)
209 p = strrchr(name, '.');
211 if (p != NULL && p[1] != '\0')
218 * Read font from /etc/rc.conf else return default.
219 * Freeing the memory is the caller's responsibility.
224 char line[256], buf[20];
227 FILE *fp = fopen(sysconfig, "r");
229 while (fgets(line, sizeof(line), fp)) {
235 matches = sscanf(line,
236 " font%dx%d = \"%20[-.0-9a-zA-Z_]",
239 if (strcmp(buf, "NO")) {
242 fnt = (char *) malloc(strlen(buf) + 1);
249 fprintf(stderr, "Could not open %s for reading\n", sysconfig);
255 * Set a font using 'vidcontrol'
258 vidcontrol(const char *fnt)
260 char *tmp, *p, *q, *cmd;
264 /* syscons test failed */
269 asprintf(&cmd, "vidcontrol -f %s", fnt);
277 /* Extract font size */
278 p = strrchr(tmp, '-');
279 if (p && p[1] != '\0') {
281 /* Remove any '.fnt' extension */
282 if ((q = strstr(p, ".fnt")))
286 * Check font size is valid, with no trailing characters
287 * ('&ch' should not be matched)
289 if (sscanf(p, "%dx%d%c", &i, &i, &ch) != 2)
290 fprintf(stderr, "Which font size? %s\n", fnt);
292 asprintf(&cmd, "vidcontrol -f %s %s", p, fnt);
294 fprintf(stderr, "%s\n", cmd);
299 fprintf(stderr, "Which font size? %s\n", fnt);
305 * Execute 'kbdcontrol' with the appropriate arguments
308 do_kbdcontrol(struct keymap *km)
311 asprintf(&kbd_cmd, "kbdcontrol -l %s/%s", dir, km->keym);
316 fprintf(stderr, "keymap=\"%s\"\n", km->keym);
321 * Call 'vidcontrol' with the appropriate arguments
324 do_vidfont(struct keymap *km)
326 char *vid_cmd, *tmp, *p, *q;
328 asprintf(&vid_cmd, "%s/%s", dir, km->keym);
332 tmp = strdup(km->keym);
333 p = strrchr(tmp, '-');
334 if (p && p[1]!='\0') {
336 q = get_extension(p);
339 printf("font%s=%s\n", p, km->keym);
346 * Display dialog from 'keymaps[]'
349 show_dialog(struct keymap **km_sorted, int num_keymaps)
353 char tmp_name[] = "/tmp/_kbd_lang.XXXX";
356 fd = mkstemp(tmp_name);
358 fprintf(stderr, "Could not open temporary file \"%s\"\n",
362 asprintf(&dialog, "/usr/bin/dialog --clear --title \"Keyboard Menu\" "
363 "--menu \"%s\" 0 0 0", menu);
365 /* start right font, assume that current font is equal
366 * to default font in /etc/rc.conf
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
372 if (font && strcmp(font, font_current))
375 /* Build up the command */
377 for (i=0; i<num_keymaps; i++) {
379 * Each 'font' is passed as ' "font" ""', so allow the
382 size += strlen(km_sorted[i]->desc) + 6;
385 /* Allow the space for '2> tmpfilename' redirection */
386 size += strlen(tmp_name) + 3;
388 cmd = (char *) malloc(strlen(dialog) + size + 1);
391 for (i=0; i<num_keymaps; i++) {
393 strcat(cmd, km_sorted[i]->desc);
395 strcat(cmd, " \"\"");
399 strcat(cmd, tmp_name);
401 /* Show the dialog.. */
404 fp = fopen(tmp_name, "r");
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]);
414 do_vidfont(km_sorted[i]);
419 if (font != NULL && strcmp(font, font_current))
420 /* Cancelled, restore old font */
421 vidcontrol(font_current);
425 fprintf(stderr, "Failed to open temporary file");
435 * Search for 'token' in comma delimited array 'buffer'.
436 * Return true for found, false for not found.
439 find_token(const char *buffer, const char *token)
441 char *buffer_tmp, *buffer_copy, *inputstring;
445 buffer_copy = strdup(buffer);
446 buffer_tmp = buffer_copy;
447 inputstring = buffer_copy;
452 while ((*ap = strsep(&inputstring, ",")) != NULL) {
453 if (strcmp(buffer_tmp, token) == 0) {
465 * Compare function for qsort
468 compare_keymap(const void *a, const void *b)
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);
475 return strcmp(km1->desc, km2->desc);
479 * Compare function for qsort
482 compare_lang(const void *a, const void *b)
484 const char *l1 = *((const char * const *) a);
485 const char *l2 = *((const char * const *) b);
487 return strcmp(l1, l2);
491 * Change '8x8' to '8x08' so qsort will put it before eg. '8x14'
494 kludge_desc(struct keymap **km_sorted, int num_keymaps)
498 for (i=0; i<num_keymaps; i++) {
500 char *km = km_sorted[i]->desc;
501 if ((p = strstr(km, "8x8")) != NULL) {
508 /* Make enough space for the extra '0' */
510 km = realloc(km, len + 2);
512 for (j=len; j!=offset+1; j--)
517 km_sorted[i]->desc = km;
523 * Reverse 'kludge_desc()' - change '8x08' back to '8x8'
526 unkludge_desc(struct keymap **km_sorted, int num_keymaps)
530 for (i=0; i<num_keymaps; i++) {
532 char *km = km_sorted[i]->desc;
533 if ((p = strstr(km, "8x08")) != NULL) {
538 km = realloc(km, p - km - 1);
539 km_sorted[i]->desc = km;
545 * Return 0 if file exists and is readable, else -1
548 check_file(const char *keym)
552 if (access(keym, R_OK) == -1) {
554 asprintf(&fn, "%s/%s", dir, keym);
555 if (access(fn, R_OK) == -1) {
557 fprintf(stderr, "%s not found!\n", fn);
563 fprintf(stderr, "No read permission for %s!\n", keym);
571 * Read options from the relevant configuration file, then
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];
584 struct keymap **km_sorted;
586 StringList *lang_list;
590 lang_list = sl_init();
592 sprintf(filename, "%s/INDEX.%s", dir, extract_name(dir));
594 /* en_US.ISO8859-1 -> en_..\.ISO8859-1 */
595 strlcpy(dialect, lang, sizeof(dialect));
596 if (strlen(dialect) >= 6 && dialect[2] == '_') {
602 /* en_US.ISO8859-1 -> en */
603 strlcpy(lang_abk, lang, sizeof(lang_abk));
604 if (strlen(lang_abk) >= 3 && lang_abk[2] == '_')
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);
611 fp = fopen(filename, "r");
614 while (fgets(buffer, sizeof(buffer), fp)) {
625 /* Parse input, removing newline */
626 matches = sscanf(p, "%64[^:]:%64[^:]:%256[^:\n]",
629 if (strcmp(keym, "FONT")
630 && strcmp(keym, "MENU")) {
631 /* Check file exists & is readable */
632 if (check_file(keym) == -1)
639 * Take note of supported languages, which
640 * might be in a comma-delimited list
642 char *tmp = strdup(lng);
645 for (delim = tmp; ; ) {
647 if (ch == ',' || ch == '\0') {
649 if (!sl_find(lang_list, tmp))
650 sl_add(lang_list, tmp);
657 /* Set empty language to default language */
664 /* 4) Your choice if it exists
665 * 3) Long match eg. en_GB.ISO8859-1 is equal to
667 * 2) short match 'de'
668 * 1) default langlist 'en'
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
677 /* Check for favoured language */
678 km = get_keymap(keym);
679 mark = (km) ? km->mark : 0;
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);
690 add_keymap(desc, 0, keym);
695 printf("Could not open file\n");
698 qsort(lang_list->sl_str, lang_list->sl_cur, sizeof(char*),
700 printf("Currently supported languages: ");
701 for (i=0; i< (int) lang_list->sl_cur; i++)
702 printf("%s ", lang_list->sl_str[i]);
707 km = get_keymap("MENU");
709 /* Take note of menu title */
710 menu = strdup(km->desc);
711 km = get_keymap("FONT");
713 /* Take note of language font */
714 font = strdup(km->desc);
716 /* Remove unwanted items from list */
717 remove_keymap("MENU");
718 remove_keymap("FONT");
720 /* Look for keymaps not in database */
723 while ((dp = readdir(dirp)) != NULL) {
724 const char *ext = get_extension(dp->d_name);
726 if ((!strcmp(ext, ".fnt") ||
727 !strcmp(ext, ".kbd")) &&
728 !get_keymap(dp->d_name)) {
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);
739 "'%s' not in database\n",
746 fprintf(stderr, "Could not open directory '%s'\n", dir);
748 /* Sort items in keymap */
749 num_keymaps = get_num_keymaps();
751 km_sorted = (struct keymap **)
752 malloc(num_keymaps*sizeof(struct keymap *));
754 /* Make array of pointers to items in hash */
756 SLIST_FOREACH(km, &head, entries)
757 km_sorted[items++] = km;
759 /* Change '8x8' to '8x08' so sort works as we might expect... */
760 kludge_desc(km_sorted, num_keymaps);
762 qsort(km_sorted, num_keymaps, sizeof(struct keymap *), compare_keymap);
764 /* ...change back again */
765 unkludge_desc(km_sorted, num_keymaps);
768 for (i=0; i<num_keymaps; i++)
769 printf("%s\n", km_sorted[i]->desc);
773 show_dialog(km_sorted, num_keymaps);
779 * Display usage information and exit
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);
792 parse_args(int argc, char **argv)
796 for (i=1; i<argc; i++) {
797 if (argv[i][0] != '-')
799 else if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-h"))
801 else if (!strcmp(argv[i], "-verbose") || !strcmp(argv[i], "-v"))
803 else if (!strcmp(argv[i], "-lang") || !strcmp(argv[i], "-l"))
808 else if (!strcmp(argv[i], "-default") || !strcmp(argv[i], "-d"))
810 else if (!strcmp(argv[i], "-show") || !strcmp(argv[i], "-s"))
812 else if (!strcmp(argv[i], "-print") || !strcmp(argv[i], "-p"))
814 else if (!strcmp(argv[i], "-restore") ||
815 !strcmp(argv[i], "-r")) {
816 vidcontrol(font_current);
818 } else if (!strcmp(argv[i], "-K"))
820 else if (!strcmp(argv[i], "-V"))
828 * A front-end for the 'vidfont' and 'kbdmap' programs.
831 main(int argc, char **argv)
834 x11 = system("kbdcontrol -d >/dev/null");
837 fprintf(stderr, "You are not on a virtual console - "
838 "expect certain strange side-effects\n");
842 using_vt = check_vt();
844 keymapdir = DEFAULT_SC_KEYMAP_DIR;
845 fontdir = DEFAULT_SC_FONT_DIR;
846 font_default = DEFAULT_SC_FONT;
853 program = extract_name(argv[0]);
855 font_current = get_font();
856 if (font_current == NULL)
857 font_current = font_default;
859 if (strcmp(program, "kbdmap"))
864 /* Parse command line arguments */
865 parse_args(argc, argv);
867 /* Read and display options */