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-rw-r--r--usr.sbin/kbdmap/kbdmap.c842
1 files changed, 842 insertions, 0 deletions
diff --git a/usr.sbin/kbdmap/kbdmap.c b/usr.sbin/kbdmap/kbdmap.c
new file mode 100644
index 0000000..423a13c
--- /dev/null
+++ b/usr.sbin/kbdmap/kbdmap.c
@@ -0,0 +1,842 @@
+/*-
+ * Copyright (c) 2002 Jonathan Belson <jon@witchspace.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <sys/syslimits.h>
+
+#include <assert.h>
+#include <ctype.h>
+#include <dirent.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stringlist.h>
+#include <unistd.h>
+
+#include "kbdmap.h"
+
+
+static const char *lang_default = DEFAULT_LANG;
+static const char *font;
+static const char *lang;
+static const char *program;
+static const char *keymapdir = DEFAULT_KEYMAP_DIR;
+static const char *fontdir = DEFAULT_FONT_DIR;
+static const char *sysconfig = DEFAULT_SYSCONFIG;
+static const char *font_default = DEFAULT_FONT;
+static const char *font_current;
+static const char *dir;
+static const char *menu = "";
+
+static int x11;
+static int show;
+static int verbose;
+static int print;
+
+
+struct keymap {
+ char *desc;
+ char *keym;
+ int mark;
+ SLIST_ENTRY(keymap) entries;
+};
+static SLIST_HEAD(slisthead, keymap) head = SLIST_HEAD_INITIALIZER(head);
+
+
+/*
+ * Get keymap entry for 'key', or NULL of not found
+ */
+static struct keymap *
+get_keymap(const char *key)
+{
+ struct keymap *km;
+
+ SLIST_FOREACH(km, &head, entries)
+ if (!strcmp(km->keym, key))
+ return km;
+
+ return NULL;
+}
+
+/*
+ * Count the number of keymaps we found
+ */
+static int
+get_num_keymaps(void)
+{
+ struct keymap *km;
+ int count = 0;
+
+ SLIST_FOREACH(km, &head, entries)
+ count++;
+
+ return count;
+}
+
+/*
+ * Remove any keymap with given keym
+ */
+static void
+remove_keymap(const char *keym)
+{
+ struct keymap *km;
+
+ SLIST_FOREACH(km, &head, entries) {
+ if (!strcmp(keym, km->keym)) {
+ SLIST_REMOVE(&head, km, keymap, entries);
+ free(km);
+ break;
+ }
+ }
+}
+
+/*
+ * Add to hash with 'key'
+ */
+static void
+add_keymap(const char *desc, int mark, const char *keym)
+{
+ struct keymap *km, *km_new;
+
+ /* Is there already an entry with this key? */
+ SLIST_FOREACH(km, &head, entries) {
+ if (!strcmp(km->keym, keym)) {
+ /* Reuse this entry */
+ free(km->desc);
+ km->desc = strdup(desc);
+ km->mark = mark;
+ return;
+ }
+ }
+
+ km_new = (struct keymap *) malloc (sizeof(struct keymap));
+ km_new->desc = strdup(desc);
+ km_new->keym = strdup(keym);
+ km_new->mark = mark;
+
+ /* Add to keymap list */
+ SLIST_INSERT_HEAD(&head, km_new, entries);
+}
+
+/*
+ * Figure out the default language to use.
+ */
+static const char *
+get_locale(void)
+{
+ const char *locale;
+
+ if ((locale = getenv("LC_ALL")) == NULL &&
+ (locale = getenv("LC_CTYPE")) == NULL &&
+ (locale = getenv("LANG")) == NULL)
+ locale = lang_default;
+
+ /* Check for alias */
+ if (!strcmp(locale, "C"))
+ locale = DEFAULT_LANG;
+
+ return locale;
+}
+
+/*
+ * Extract filename part
+ */
+static const char *
+extract_name(const char *name)
+{
+ char *p;
+
+ p = strrchr(name, '/');
+ if (p != NULL && p[1] != '\0')
+ return p + 1;
+
+ return name;
+}
+
+/*
+ * Return file extension or NULL
+ */
+static char *
+get_extension(const char *name)
+{
+ char *p;
+
+ p = strrchr(name, '.');
+
+ if (p != NULL && p[1] != '\0')
+ return p;
+
+ return NULL;
+}
+
+/*
+ * Read font from /etc/rc.conf else return default.
+ * Freeing the memory is the caller's responsibility.
+ */
+static char *
+get_font(void)
+{
+ char line[256], buf[20];
+ char *fnt = NULL;
+
+ FILE *fp = fopen(sysconfig, "r");
+ if (fp) {
+ while (fgets(line, sizeof(line), fp)) {
+ int a, b, matches;
+
+ if (line[0] == '#')
+ continue;
+
+ matches = sscanf(line,
+ " font%dx%d = \"%20[-.0-9a-zA-Z_]",
+ &a, &b, buf);
+ if (matches==3) {
+ if (strcmp(buf, "NO")) {
+ if (fnt)
+ free(fnt);
+ fnt = (char *) malloc(strlen(buf) + 1);
+ strcpy(fnt, buf);
+ }
+ }
+ }
+ } else
+ fprintf(stderr, "Could not open %s for reading\n", sysconfig);
+
+ return fnt;
+}
+
+/*
+ * Set a font using 'vidcontrol'
+ */
+static void
+vidcontrol(const char *fnt)
+{
+ char *tmp, *p, *q;
+ char ch;
+ int i;
+
+ /* syscons test failed */
+ if (x11)
+ return;
+
+ tmp = strdup(fnt);
+
+ /* Extract font size */
+ p = strrchr(tmp, '-');
+ if (p && p[1] != '\0') {
+ p++;
+ /* Remove any '.fnt' extension */
+ if ((q = strstr(p, ".fnt")))
+ *q = '\0';
+
+ /*
+ * Check font size is valid, with no trailing characters
+ * ('&ch' should not be matched)
+ */
+ if (sscanf(p, "%dx%d%c", &i, &i, &ch) != 2)
+ fprintf(stderr, "Which font size? %s\n", fnt);
+ else {
+ char *cmd;
+ asprintf(&cmd, "vidcontrol -f %s %s", p, fnt);
+ if (verbose)
+ fprintf(stderr, "%s\n", cmd);
+ system(cmd);
+ free(cmd);
+ }
+ } else
+ fprintf(stderr, "Which font size? %s\n", fnt);
+
+ free(tmp);
+}
+
+/*
+ * Execute 'kbdcontrol' with the appropriate arguments
+ */
+static void
+do_kbdcontrol(struct keymap *km)
+{
+ char *kbd_cmd;
+ asprintf(&kbd_cmd, "kbdcontrol -l %s/%s", dir, km->keym);
+
+ if (!x11)
+ system(kbd_cmd);
+
+ printf("keymap=%s\n", km->keym);
+ free(kbd_cmd);
+}
+
+/*
+ * Call 'vidcontrol' with the appropriate arguments
+ */
+static void
+do_vidfont(struct keymap *km)
+{
+ char *vid_cmd, *tmp, *p, *q;
+
+ asprintf(&vid_cmd, "%s/%s", dir, km->keym);
+ vidcontrol(vid_cmd);
+ free(vid_cmd);
+
+ tmp = strdup(km->keym);
+ p = strrchr(tmp, '-');
+ if (p && p[1]!='\0') {
+ p++;
+ q = get_extension(p);
+ if (q) {
+ *q = '\0';
+ printf("font%s=%s\n", p, km->keym);
+ }
+ }
+ free(tmp);
+}
+
+/*
+ * Display dialog from 'keymaps[]'
+ */
+static void
+show_dialog(struct keymap **km_sorted, int num_keymaps)
+{
+ FILE *fp;
+ char *cmd, *dialog;
+ char tmp_name[] = "/tmp/_kbd_lang.XXXX";
+ const char *ext;
+ int fd, i, size;
+
+ fd = mkstemp(tmp_name);
+ if (fd == -1) {
+ fprintf(stderr, "Could not open temporary file \"%s\"\n",
+ tmp_name);
+ exit(1);
+ }
+ asprintf(&dialog, "/usr/bin/dialog --clear --title \"Keyboard Menu\" "
+ "--menu \"%s\" -1 -1 10", menu);
+
+ ext = extract_name(dir);
+
+ /* start right font, assume that current font is equal
+ * to default font in /etc/rc.conf
+ *
+ * $font is the font which require the language $lang; e.g.
+ * russian *need* a koi8 font
+ * $font_current is the current font from /etc/rc.conf
+ */
+ if (font && strcmp(font, font_current))
+ vidcontrol(font);
+
+ /* Build up the command */
+ size = 0;
+ for (i=0; i<num_keymaps; i++) {
+ /*
+ * Each 'font' is passed as ' "font" ""', so allow the
+ * extra space
+ */
+ size += strlen(km_sorted[i]->desc) + 6;
+ }
+
+ /* Allow the space for '2> tmpfilename' redirection */
+ size += strlen(tmp_name) + 3;
+
+ cmd = (char *) malloc(strlen(dialog) + size + 1);
+ strcpy(cmd, dialog);
+
+ for (i=0; i<num_keymaps; i++) {
+ strcat(cmd, " \"");
+ strcat(cmd, km_sorted[i]->desc);
+ strcat(cmd, "\"");
+ strcat(cmd, " \"\"");
+ }
+
+ strcat(cmd, " 2>");
+ strcat(cmd, tmp_name);
+
+ /* Show the dialog.. */
+ system(cmd);
+
+ fp = fopen(tmp_name, "r");
+ if (fp) {
+ char choice[64];
+ if (fgets(choice, 64, fp) != NULL) {
+ /* Find key for desc */
+ for (i=0; i<num_keymaps; i++) {
+ if (!strcmp(choice, km_sorted[i]->desc)) {
+ if (!strcmp(program, "kbdmap"))
+ do_kbdcontrol(km_sorted[i]);
+ else
+ do_vidfont(km_sorted[i]);
+ break;
+ }
+ }
+ } else {
+ if (font != NULL && strcmp(font, font_current))
+ /* Cancelled, restore old font */
+ vidcontrol(font_current);
+ }
+ fclose(fp);
+ } else
+ fprintf(stderr, "Failed to open temporary file");
+
+ /* Tidy up */
+ remove(tmp_name);
+ free(cmd);
+ free(dialog);
+ close(fd);
+}
+
+/*
+ * Search for 'token' in comma delimited array 'buffer'.
+ * Return true for found, false for not found.
+ */
+static int
+find_token(const char *buffer, const char *token)
+{
+ char *buffer_tmp, *buffer_copy, *inputstring;
+ char **ap;
+ int found;
+
+ buffer_copy = strdup(buffer);
+ buffer_tmp = buffer_copy;
+ inputstring = buffer_copy;
+ ap = &buffer_tmp;
+
+ found = 0;
+
+ while ((*ap = strsep(&inputstring, ",")) != NULL) {
+ if (strcmp(buffer_tmp, token) == 0) {
+ found = 1;
+ break;
+ }
+ }
+
+ free(buffer_copy);
+
+ return found;
+}
+
+/*
+ * Compare function for qsort
+ */
+static int
+compare_keymap(const void *a, const void *b)
+{
+
+ /* We've been passed pointers to pointers, so: */
+ const struct keymap *km1 = *((const struct keymap * const *) a);
+ const struct keymap *km2 = *((const struct keymap * const *) b);
+
+ return strcmp(km1->desc, km2->desc);
+}
+
+/*
+ * Compare function for qsort
+ */
+static int
+compare_lang(const void *a, const void *b)
+{
+ const char *l1 = *((const char * const *) a);
+ const char *l2 = *((const char * const *) b);
+
+ return strcmp(l1, l2);
+}
+
+/*
+ * Change '8x8' to '8x08' so qsort will put it before eg. '8x14'
+ */
+static void
+kludge_desc(struct keymap **km_sorted, int num_keymaps)
+{
+ int i;
+
+ for (i=0; i<num_keymaps; i++) {
+ char *p;
+ char *km = km_sorted[i]->desc;
+ if ((p = strstr(km, "8x8")) != NULL) {
+ int len;
+ int j;
+ int offset;
+
+ offset = p - km;
+
+ /* Make enough space for the extra '0' */
+ len = strlen(km);
+ km = realloc(km, len + 2);
+
+ for (j=len; j!=offset+1; j--)
+ km[j + 1] = km[j];
+
+ km[offset+2] = '0';
+
+ km_sorted[i]->desc = km;
+ }
+ }
+}
+
+/*
+ * Reverse 'kludge_desc()' - change '8x08' back to '8x8'
+ */
+static void
+unkludge_desc(struct keymap **km_sorted, int num_keymaps)
+{
+ int i;
+
+ for (i=0; i<num_keymaps; i++) {
+ char *p;
+ char *km = km_sorted[i]->desc;
+ if ((p = strstr(km, "8x08")) != NULL) {
+ p += 2;
+ while (*p++)
+ p[-1] = p[0];
+
+ km = realloc(km, p - km - 1);
+ km_sorted[i]->desc = km;
+ }
+ }
+}
+
+/*
+ * Return 0 if file exists and is readable, else -1
+ */
+static int
+check_file(const char *keym)
+{
+ int status = 0;
+
+ if (access(keym, R_OK) == -1) {
+ char *fn;
+ asprintf(&fn, "%s/%s", dir, keym);
+ if (access(fn, R_OK) == -1) {
+ if (verbose)
+ fprintf(stderr, "%s not found!\n", fn);
+ status = -1;
+ }
+ free(fn);
+ } else {
+ if (verbose)
+ fprintf(stderr, "No read permission for %s!\n", keym);
+ status = -1;
+ }
+
+ return status;
+}
+
+/*
+ * Read options from the relevent configuration file, then
+ * present to user.
+ */
+static void
+menu_read(void)
+{
+ const char *lg;
+ char *p;
+ int mark, num_keymaps, items, i;
+ char buffer[256], filename[PATH_MAX];
+ char keym[64], lng[64], desc[64];
+ char dialect[64], lang_abk[64];
+ struct keymap *km;
+ struct keymap **km_sorted;
+ struct dirent *dp;
+ StringList *lang_list;
+ FILE *fp;
+ DIR *dirp;
+
+ lang_list = sl_init();
+
+ sprintf(filename, "%s/INDEX.%s", dir, extract_name(dir));
+
+ /* en_US.ISO8859-1 -> en_..\.ISO8859-1 */
+ strlcpy(dialect, lang, sizeof(dialect));
+ if (strlen(dialect) >= 6 && dialect[2] == '-') {
+ dialect[3] = '.';
+ dialect[4] = '.';
+ }
+
+
+ /* en_US.ISO8859-1 -> en */
+ strlcpy(lang_abk, lang, sizeof(lang_abk));
+ if (strlen(lang_abk) >= 3 && lang_abk[2] == '-')
+ lang_abk[2] = '.';
+
+ fprintf(stderr, "lang_default = %s\n", lang_default);
+ fprintf(stderr, "dialect = %s\n", dialect);
+ fprintf(stderr, "lang_abk = %s\n", lang_abk);
+
+ fp = fopen(filename, "r");
+ if (fp) {
+ int matches;
+ while (fgets(buffer, sizeof(buffer), fp)) {
+ p = buffer;
+ if (p[0] == '#')
+ continue;
+
+ while (isspace(*p))
+ p++;
+
+ if (*p == '\0')
+ continue;
+
+ /* Parse input, removing newline */
+ matches = sscanf(p, "%64[^:]:%64[^:]:%64[^:\n]",
+ keym, lng, desc);
+ if (matches == 3) {
+ if (strcmp(keym, "FONT")
+ && strcmp(keym, "MENU")) {
+ /* Check file exists & is readable */
+ if (check_file(keym) == -1)
+ continue;
+ }
+ }
+
+ if (show) {
+ /*
+ * Take note of supported languages, which
+ * might be in a comma-delimited list
+ */
+ char *tmp = strdup(lng);
+ char *delim = tmp;
+
+ for (delim = tmp; ; ) {
+ char ch = *delim++;
+ if (ch == ',' || ch == '\0') {
+ delim[-1] = '\0';
+ if (!sl_find(lang_list, tmp))
+ sl_add(lang_list, tmp);
+ if (ch == '\0')
+ break;
+ tmp = delim;
+ }
+ }
+ }
+ /* Set empty language to default language */
+ if (lng[0] == '\0')
+ lg = lang_default;
+ else
+ lg = lng;
+
+
+ /* 4) Your choice if it exists
+ * 3) Long match eg. en_GB.ISO8859-1 is equal to
+ * en_..\.ISO8859-1
+ * 2) short match 'de'
+ * 1) default langlist 'en'
+ * 0) any language
+ *
+ * Language may be a comma separated list
+ * A higher match overwrites a lower
+ * A later entry overwrites a previous if it exists
+ * twice in the database
+ */
+
+ /* Check for favoured language */
+ km = get_keymap(keym);
+ mark = (km) ? km->mark : 0;
+
+ if (find_token(lg, lang))
+ add_keymap(desc, 4, keym);
+ else if (mark <= 3 && find_token(lg, dialect))
+ add_keymap(desc, 3, keym);
+ else if (mark <= 2 && find_token(lg, lang_abk))
+ add_keymap(desc, 2, keym);
+ else if (mark <= 1 && find_token(lg, lang_default))
+ add_keymap(desc, 1, keym);
+ else if (mark <= 0)
+ add_keymap(desc, 0, keym);
+ }
+ fclose(fp);
+
+ } else
+ printf("Could not open file\n");
+
+ if (show) {
+ qsort(lang_list->sl_str, lang_list->sl_cur, sizeof(char*),
+ compare_lang);
+ printf("Currently supported languages: ");
+ for (i=0; i< (int) lang_list->sl_cur; i++)
+ printf("%s ", lang_list->sl_str[i]);
+ puts("");
+ exit(0);
+ }
+
+ km = get_keymap("MENU");
+ if (km)
+ /* Take note of menu title */
+ menu = strdup(km->desc);
+ km = get_keymap("FONT");
+ if (km)
+ /* Take note of language font */
+ font = strdup(km->desc);
+
+ /* Remove unwanted items from list */
+ remove_keymap("MENU");
+ remove_keymap("FONT");
+
+ /* Look for keymaps not in database */
+ dirp = opendir(dir);
+ if (dirp) {
+ while ((dp = readdir(dirp)) != NULL) {
+ const char *ext = get_extension(dp->d_name);
+ if (ext) {
+ if ((!strcmp(ext, ".fnt") ||
+ !strcmp(ext, ".kbd")) &&
+ !get_keymap(dp->d_name)) {
+ char *q;
+
+ /* Remove any .fnt or .kbd extension */
+ q = strdup(dp->d_name);
+ *(get_extension(q)) = '\0';
+ add_keymap(q, 0, dp->d_name);
+ free(q);
+
+ if (verbose)
+ fprintf(stderr,
+ "'%s' not in database\n",
+ dp->d_name);
+ }
+ }
+ }
+ closedir(dirp);
+ } else
+ fprintf(stderr, "Could not open directory '%s'\n", dir);
+
+ /* Sort items in keymap */
+ num_keymaps = get_num_keymaps();
+
+ km_sorted = (struct keymap **)
+ malloc(num_keymaps*sizeof(struct keymap *));
+
+ /* Make array of pointers to items in hash */
+ items = 0;
+ SLIST_FOREACH(km, &head, entries)
+ km_sorted[items++] = km;
+
+ /* Change '8x8' to '8x08' so sort works as we might expect... */
+ kludge_desc(km_sorted, num_keymaps);
+
+ qsort(km_sorted, num_keymaps, sizeof(struct keymap *), compare_keymap);
+
+ /* ...change back again */
+ unkludge_desc(km_sorted, num_keymaps);
+
+ if (print) {
+ for (i=0; i<num_keymaps; i++)
+ printf("%s\n", km_sorted[i]->desc);
+ exit(0);
+ }
+
+ show_dialog(km_sorted, num_keymaps);
+
+ free(km_sorted);
+}
+
+/*
+ * Display usage information and exit
+ */
+static void
+usage(void)
+{
+
+ fprintf(stderr, "usage: %s\t[-K] [-V] [-d|-default] [-h|-help] "
+ "[-l|-lang language]\n\t\t[-p|-print] [-r|-restore] [-s|-show] "
+ "[-v|-verbose]\n", program);
+ exit(1);
+}
+
+static void
+parse_args(int argc, char **argv)
+{
+ int i;
+
+ for (i=1; i<argc; i++) {
+ if (argv[i][0] != '-')
+ usage();
+ else if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-h"))
+ usage();
+ else if (!strcmp(argv[i], "-verbose") || !strcmp(argv[i], "-v"))
+ verbose = 1;
+ else if (!strcmp(argv[i], "-lang") || !strcmp(argv[i], "-l"))
+ if (i + 1 == argc)
+ usage();
+ else
+ lang = argv[++i];
+ else if (!strcmp(argv[i], "-default") || !strcmp(argv[i], "-d"))
+ lang = lang_default;
+ else if (!strcmp(argv[i], "-show") || !strcmp(argv[i], "-s"))
+ show = 1;
+ else if (!strcmp(argv[i], "-print") || !strcmp(argv[i], "-p"))
+ print = 1;
+ else if (!strcmp(argv[i], "-restore") ||
+ !strcmp(argv[i], "-r")) {
+ vidcontrol(font_current);
+ exit(0);
+ } else if (!strcmp(argv[i], "-K"))
+ dir = keymapdir;
+ else if (!strcmp(argv[i], "-V"))
+ dir = fontdir;
+ else
+ usage();
+ }
+}
+
+/*
+ * A front-end for the 'vidfont' and 'kbdmap' programs.
+ */
+int
+main(int argc, char **argv)
+{
+
+ x11 = system("kbdcontrol -d >/dev/null");
+
+ if (x11) {
+ fprintf(stderr, "You are not on a virtual console - "
+ "expect certain strange side-effects\n");
+ sleep(2);
+ }
+
+ SLIST_INIT(&head);
+
+ lang = get_locale();
+
+ program = extract_name(argv[0]);
+
+ /* Parse command line arguments */
+ parse_args(argc, argv);
+
+ font_current = get_font();
+ if (font_current == NULL)
+ font_current = font_default;
+
+ if (strcmp(program, "kbdmap"))
+ dir = fontdir;
+ else
+ dir = keymapdir;
+
+ /* Read and display options */
+ menu_read();
+
+ return 0;
+}
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