1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Kay Sievers
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
34 #include <sys/ioctl.h>
36 #include <linux/tiocl.h>
43 static bool is_vconsole(int fd) {
44 unsigned char data[1];
46 data[0] = TIOCL_GETFGCONSOLE;
47 return ioctl(fd, TIOCLINUX, data) >= 0;
50 static bool is_locale_utf8(void) {
53 if (!setlocale(LC_ALL, ""))
56 set = nl_langinfo(CODESET);
60 return streq(set, "UTF-8");
63 static int disable_utf8(int fd) {
66 if (ioctl(fd, KDSKBMODE, K_XLATE) < 0)
69 if (loop_write(fd, "\033%@", 3, false) < 0)
72 if ((k = write_one_line_file("/sys/module/vt/parameters/default_utf8", "0")) < 0)
76 log_warning("Failed to disable UTF-8: %s", strerror(errno));
81 static int load_keymap(const char *vc, const char *map, bool utf8, pid_t *_pid) {
86 args[i++] = KBD_LOADKEYS;
95 if ((pid = fork()) < 0) {
96 log_error("Failed to fork: %m");
98 } else if (pid == 0) {
99 execv(args[0], (char **) args);
107 static int load_font(const char *vc, const char *font, const char *map, const char *unimap, pid_t *_pid) {
112 args[i++] = KBD_SETFONT;
126 if ((pid = fork()) < 0) {
127 log_error("Failed to fork: %m");
129 } else if (pid == 0) {
130 execv(args[0], (char **) args);
138 int main(int argc, char **argv) {
140 char *vc_keymap = NULL;
141 char *vc_font = NULL;
142 char *vc_font_map = NULL;
143 char *vc_font_unimap = NULL;
145 char *vc_unicode = NULL;
149 int r = EXIT_FAILURE;
150 pid_t font_pid = 0, keymap_pid = 0;
152 log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
153 log_parse_environment();
161 if ((fd = open(vc, O_RDWR|O_CLOEXEC)) < 0) {
162 log_error("Failed to open %s: %m", vc);
166 if (!is_vconsole(fd)) {
167 log_error("Device %s is not a virtual console.", vc);
171 utf8 = is_locale_utf8();
173 if ((r = parse_env_file("/proc/cmdline", WHITESPACE,
176 "KEYTABLE", &vc_keymap,
178 "vconsole.keymap", &vc_keymap,
179 "vconsole.font", &vc_font,
180 "vconsole.font.map", &vc_font_map,
181 "vconsole.font.unimap", &vc_font_unimap,
185 log_warning("Failed to read /proc/cmdline: %s", strerror(-r));
188 /* Hmm, nothing set on the kernel cmd line? Then let's
189 * try /etc/vconsole.conf */
191 (r = parse_env_file("/etc/vconsole.conf", NEWLINE,
192 "KEYMAP", &vc_keymap,
194 "FONT_MAP", &vc_font_map,
195 "FONT_UNIMAP", &vc_font_unimap,
199 log_warning("Failed to read /etc/vconsole.conf: %s", strerror(-r));
204 if ((r = parse_env_file("/etc/sysconfig/i18n", NEWLINE,
206 "SYSFONTACM", &vc_font_map,
207 "UNIMAP", &vc_font_unimap,
211 log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
214 if ((r = parse_env_file("/etc/sysconfig/keyboard", NEWLINE,
215 "KEYTABLE", &vc_keymap,
216 "KEYMAP", &vc_keymap,
220 log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
223 if (access("/etc/sysconfig/console/default.kmap", F_OK) >= 0) {
226 if (!(t = strdup("/etc/sysconfig/console/default.kmap"))) {
227 log_error("Out of memory.");
235 #elif defined(TARGET_SUSE)
236 if ((r = parse_env_file("/etc/sysconfig/keyboard", NEWLINE,
237 "KEYTABLE", &vc_keymap,
241 log_warning("Failed to read /etc/sysconfig/keyboard: %s", strerror(-r));
244 if ((r = parse_env_file("/etc/sysconfig/console", NEWLINE,
245 "CONSOLE_FONT", &vc_font,
246 "CONSOLE_SCREENMAP", &vc_font_map,
247 "CONSOLE_UNICODEMAP", &vc_font_unimap,
251 log_warning("Failed to read /etc/sysconfig/console: %s", strerror(-r));
254 #elif defined(TARGET_ARCH)
255 if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
256 "KEYMAP", &vc_keymap,
257 "CONSOLEFONT", &vc_font,
258 "CONSOLEMAP", &vc_font_map,
262 log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
265 #elif defined(TARGET_GENTOO)
266 if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
267 "unicode", &vc_unicode,
270 log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
276 if ((rc_unicode = parse_boolean(vc_unicode)) < 0)
277 log_error("Unknown value for /etc/rc.conf unicode=%s", vc_unicode);
279 if (rc_unicode && !utf8)
280 log_warning("/etc/rc.conf wants unicode, but current locale is not UTF-8 capable!");
281 else if (!rc_unicode && utf8) {
282 log_debug("/etc/rc.conf does not want unicode, leave it on in kernel but does not apply to vconsole.");
288 /* /etc/conf.d/consolefont comments and gentoo
289 * documentation mention uppercase, but the actual
290 * contents are lowercase. the existing
291 * /etc/init.d/consolefont tries both
293 if ((r = parse_env_file("/etc/conf.d/consolefont", NEWLINE,
294 "CONSOLEFONT", &vc_font,
295 "consolefont", &vc_font,
296 "consoletranslation", &vc_font_map,
297 "CONSOLETRANSLATION", &vc_font_map,
298 "unicodemap", &vc_font_unimap,
299 "UNICODEMAP", &vc_font_unimap,
302 log_warning("Failed to read /etc/conf.d/consolefont: %s", strerror(-r));
305 if ((r = parse_env_file("/etc/conf.d/keymaps", NEWLINE,
306 "keymap", &vc_keymap,
307 "KEYMAP", &vc_keymap,
310 log_warning("Failed to read /etc/conf.d/keymaps: %s", strerror(-r));
316 vc_keymap = strdup("us");
318 vc_font = strdup(DEFAULT_FONT);
320 if (!vc_keymap || !vc_font) {
321 log_error("Failed to allocate strings.");
328 if (load_keymap(vc, vc_keymap, utf8, &keymap_pid) >= 0 &&
329 load_font(vc, vc_font, vc_font_map, vc_font_unimap, &font_pid) >= 0)
334 wait_for_terminate_and_warn(KBD_LOADKEYS, keymap_pid);
337 wait_for_terminate_and_warn(KBD_SETFONT, font_pid);
342 free(vc_font_unimap);
345 close_nointr_nofail(fd);