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, const char *map_toggle, bool utf8, pid_t *_pid) {
86 args[i++] = KBD_LOADKEYS;
94 args[i++] = map_toggle;
97 if ((pid = fork()) < 0) {
98 log_error("Failed to fork: %m");
100 } else if (pid == 0) {
101 execv(args[0], (char **) args);
109 static int load_font(const char *vc, const char *font, const char *map, const char *unimap, pid_t *_pid) {
114 args[i++] = KBD_SETFONT;
128 if ((pid = fork()) < 0) {
129 log_error("Failed to fork: %m");
131 } else if (pid == 0) {
132 execv(args[0], (char **) args);
140 int main(int argc, char **argv) {
142 char *vc_keymap = NULL;
143 char *vc_keymap_toggle = NULL;
144 char *vc_font = NULL;
145 char *vc_font_map = NULL;
146 char *vc_font_unimap = NULL;
148 char *vc_unicode = NULL;
152 int r = EXIT_FAILURE;
153 pid_t font_pid = 0, keymap_pid = 0;
155 log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
156 log_parse_environment();
164 if ((fd = open(vc, O_RDWR|O_CLOEXEC)) < 0) {
165 log_error("Failed to open %s: %m", vc);
169 if (!is_vconsole(fd)) {
170 log_error("Device %s is not a virtual console.", vc);
174 utf8 = is_locale_utf8();
176 if ((r = parse_env_file("/proc/cmdline", WHITESPACE,
179 "KEYTABLE", &vc_keymap,
181 "vconsole.keymap", &vc_keymap,
182 "vconsole.keymap.toggle", &vc_keymap_toggle,
183 "vconsole.font", &vc_font,
184 "vconsole.font.map", &vc_font_map,
185 "vconsole.font.unimap", &vc_font_unimap,
189 log_warning("Failed to read /proc/cmdline: %s", strerror(-r));
192 /* Hmm, nothing set on the kernel cmd line? Then let's
193 * try /etc/vconsole.conf */
195 (r = parse_env_file("/etc/vconsole.conf", NEWLINE,
196 "KEYMAP", &vc_keymap,
197 "KEYMAP_TOGGLE", &vc_keymap_toggle,
199 "FONT_MAP", &vc_font_map,
200 "FONT_UNIMAP", &vc_font_unimap,
204 log_warning("Failed to read /etc/vconsole.conf: %s", strerror(-r));
209 if ((r = parse_env_file("/etc/sysconfig/i18n", NEWLINE,
211 "SYSFONTACM", &vc_font_map,
212 "UNIMAP", &vc_font_unimap,
216 log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
219 if ((r = parse_env_file("/etc/sysconfig/keyboard", NEWLINE,
220 "KEYTABLE", &vc_keymap,
221 "KEYMAP", &vc_keymap,
225 log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
228 if (access("/etc/sysconfig/console/default.kmap", F_OK) >= 0) {
231 if (!(t = strdup("/etc/sysconfig/console/default.kmap"))) {
232 log_error("Out of memory.");
240 #elif defined(TARGET_SUSE)
241 if ((r = parse_env_file("/etc/sysconfig/keyboard", NEWLINE,
242 "KEYTABLE", &vc_keymap,
246 log_warning("Failed to read /etc/sysconfig/keyboard: %s", strerror(-r));
249 if ((r = parse_env_file("/etc/sysconfig/console", NEWLINE,
250 "CONSOLE_FONT", &vc_font,
251 "CONSOLE_SCREENMAP", &vc_font_map,
252 "CONSOLE_UNICODEMAP", &vc_font_unimap,
256 log_warning("Failed to read /etc/sysconfig/console: %s", strerror(-r));
259 #elif defined(TARGET_ARCH)
260 if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
261 "KEYMAP", &vc_keymap,
262 "CONSOLEFONT", &vc_font,
263 "CONSOLEMAP", &vc_font_map,
267 log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
270 #elif defined(TARGET_GENTOO)
271 if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
272 "unicode", &vc_unicode,
275 log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
281 if ((rc_unicode = parse_boolean(vc_unicode)) < 0)
282 log_error("Unknown value for /etc/rc.conf unicode=%s", vc_unicode);
284 if (rc_unicode && !utf8)
285 log_warning("/etc/rc.conf wants unicode, but current locale is not UTF-8 capable!");
286 else if (!rc_unicode && utf8) {
287 log_debug("/etc/rc.conf does not want unicode, leave it on in kernel but does not apply to vconsole.");
293 /* /etc/conf.d/consolefont comments and gentoo
294 * documentation mention uppercase, but the actual
295 * contents are lowercase. the existing
296 * /etc/init.d/consolefont tries both
298 if ((r = parse_env_file("/etc/conf.d/consolefont", NEWLINE,
299 "CONSOLEFONT", &vc_font,
300 "consolefont", &vc_font,
301 "consoletranslation", &vc_font_map,
302 "CONSOLETRANSLATION", &vc_font_map,
303 "unicodemap", &vc_font_unimap,
304 "UNICODEMAP", &vc_font_unimap,
307 log_warning("Failed to read /etc/conf.d/consolefont: %s", strerror(-r));
310 if ((r = parse_env_file("/etc/conf.d/keymaps", NEWLINE,
311 "keymap", &vc_keymap,
312 "KEYMAP", &vc_keymap,
315 log_warning("Failed to read /etc/conf.d/keymaps: %s", strerror(-r));
321 vc_keymap = strdup("us");
323 vc_font = strdup(DEFAULT_FONT);
325 if (!vc_keymap || !vc_font) {
326 log_error("Failed to allocate strings.");
333 if (load_keymap(vc, vc_keymap, vc_keymap_toggle, utf8, &keymap_pid) >= 0 &&
334 load_font(vc, vc_font, vc_font_map, vc_font_unimap, &font_pid) >= 0)
339 wait_for_terminate_and_warn(KBD_LOADKEYS, keymap_pid);
342 wait_for_terminate_and_warn(KBD_SETFONT, font_pid);
347 free(vc_font_unimap);
350 close_nointr_nofail(fd);