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git.ipfire.org Git - thirdparty/systemd.git/blob - src/vconsole/vconsole-setup.c
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>
44 static bool is_vconsole(int fd
) {
45 unsigned char data
[1];
47 data
[0] = TIOCL_GETFGCONSOLE
;
48 return ioctl(fd
, TIOCLINUX
, data
) >= 0;
51 static bool is_locale_utf8(void) {
54 if (!setlocale(LC_ALL
, ""))
57 set
= nl_langinfo(CODESET
);
61 return streq(set
, "UTF-8");
64 static int disable_utf8(int fd
) {
67 if (ioctl(fd
, KDSKBMODE
, K_XLATE
) < 0)
70 if (loop_write(fd
, "\033%@", 3, false) < 0)
73 if ((k
= write_one_line_file("/sys/module/vt/parameters/default_utf8", "0")) < 0)
77 log_warning("Failed to disable UTF-8: %s", strerror(errno
));
82 static int load_keymap(const char *vc
, const char *map
, const char *map_toggle
, bool utf8
, pid_t
*_pid
) {
88 /* An empty map means kernel map */
93 args
[i
++] = KBD_LOADKEYS
;
101 args
[i
++] = map_toggle
;
104 if ((pid
= fork()) < 0) {
105 log_error("Failed to fork: %m");
107 } else if (pid
== 0) {
108 execv(args
[0], (char **) args
);
116 static int load_font(const char *vc
, const char *font
, const char *map
, const char *unimap
, pid_t
*_pid
) {
122 /* An empty font means kernel font */
127 args
[i
++] = KBD_SETFONT
;
141 if ((pid
= fork()) < 0) {
142 log_error("Failed to fork: %m");
144 } else if (pid
== 0) {
145 execv(args
[0], (char **) args
);
153 int main(int argc
, char **argv
) {
155 char *vc_keymap
= NULL
;
156 char *vc_keymap_toggle
= NULL
;
157 char *vc_font
= NULL
;
158 char *vc_font_map
= NULL
;
159 char *vc_font_unimap
= NULL
;
161 char *vc_unicode
= NULL
;
163 #if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA)
164 char *vc_keytable
= NULL
;
168 int r
= EXIT_FAILURE
;
169 pid_t font_pid
= 0, keymap_pid
= 0;
171 log_set_target(LOG_TARGET_AUTO
);
172 log_parse_environment();
182 if ((fd
= open_terminal(vc
, O_RDWR
|O_CLOEXEC
)) < 0) {
183 log_error("Failed to open %s: %m", vc
);
187 if (!is_vconsole(fd
)) {
188 log_error("Device %s is not a virtual console.", vc
);
192 utf8
= is_locale_utf8();
194 vc_keymap
= strdup("us");
195 vc_font
= strdup(DEFAULT_FONT
);
197 if (!vc_keymap
|| !vc_font
) {
198 log_error("Failed to allocate strings.");
204 if (detect_container(NULL
) <= 0)
205 if ((r
= parse_env_file("/proc/cmdline", WHITESPACE
,
206 "vconsole.keymap", &vc_keymap
,
207 "vconsole.keymap.toggle", &vc_keymap_toggle
,
208 "vconsole.font", &vc_font
,
209 "vconsole.font.map", &vc_font_map
,
210 "vconsole.font.unimap", &vc_font_unimap
,
214 log_warning("Failed to read /proc/cmdline: %s", strerror(-r
));
217 /* Hmm, nothing set on the kernel cmd line? Then let's
218 * try /etc/vconsole.conf */
220 (r
= parse_env_file("/etc/vconsole.conf", NEWLINE
,
221 "KEYMAP", &vc_keymap
,
222 "KEYMAP_TOGGLE", &vc_keymap_toggle
,
224 "FONT_MAP", &vc_font_map
,
225 "FONT_UNIMAP", &vc_font_unimap
,
229 log_warning("Failed to read /etc/vconsole.conf: %s", strerror(-r
));
233 #if defined(TARGET_FEDORA) || defined(TARGET_MEEGO)
234 if ((r
= parse_env_file("/etc/sysconfig/i18n", NEWLINE
,
236 "SYSFONTACM", &vc_font_map
,
237 "UNIMAP", &vc_font_unimap
,
241 log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r
));
244 if ((r
= parse_env_file("/etc/sysconfig/keyboard", NEWLINE
,
245 "KEYTABLE", &vc_keymap
,
246 "KEYMAP", &vc_keymap
,
250 log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r
));
253 if (access("/etc/sysconfig/console/default.kmap", F_OK
) >= 0) {
256 if (!(t
= strdup("/etc/sysconfig/console/default.kmap"))) {
257 log_error("Out of memory.");
265 #elif defined(TARGET_SUSE)
266 if ((r
= parse_env_file("/etc/sysconfig/keyboard", NEWLINE
,
267 "KEYTABLE", &vc_keymap
,
271 log_warning("Failed to read /etc/sysconfig/keyboard: %s", strerror(-r
));
274 if ((r
= parse_env_file("/etc/sysconfig/console", NEWLINE
,
275 "CONSOLE_FONT", &vc_font
,
276 "CONSOLE_SCREENMAP", &vc_font_map
,
277 "CONSOLE_UNICODEMAP", &vc_font_unimap
,
281 log_warning("Failed to read /etc/sysconfig/console: %s", strerror(-r
));
284 #elif defined(TARGET_ARCH)
285 if ((r
= parse_env_file("/etc/rc.conf", NEWLINE
,
286 "KEYMAP", &vc_keymap
,
287 "CONSOLEFONT", &vc_font
,
288 "CONSOLEMAP", &vc_font_map
,
292 log_warning("Failed to read /etc/rc.conf: %s", strerror(-r
));
295 #elif defined(TARGET_FRUGALWARE)
296 if ((r
= parse_env_file("/etc/sysconfig/keymap", NEWLINE
,
297 "keymap", &vc_keymap
,
300 log_warning("Failed to read /etc/sysconfig/keymap: %s", strerror(-r
));
302 if ((r
= parse_env_file("/etc/sysconfig/font", NEWLINE
,
306 log_warning("Failed to read /etc/sysconfig/font: %s", strerror(-r
));
309 #elif defined(TARGET_ALTLINUX)
310 if ((r
= parse_env_file("/etc/sysconfig/keyboard", NEWLINE
,
311 "KEYTABLE", &vc_keymap
,
315 log_warning("Failed to read /etc/sysconfig/keyboard: %s", strerror(-r
));
318 if ((r
= parse_env_file("/etc/sysconfig/consolefont", NEWLINE
,
323 log_warning("Failed to read /etc/sysconfig/console: %s", strerror(-r
));
326 #elif defined(TARGET_GENTOO)
327 if ((r
= parse_env_file("/etc/rc.conf", NEWLINE
,
328 "unicode", &vc_unicode
,
331 log_warning("Failed to read /etc/rc.conf: %s", strerror(-r
));
337 if ((rc_unicode
= parse_boolean(vc_unicode
)) < 0)
338 log_error("Unknown value for /etc/rc.conf unicode=%s", vc_unicode
);
340 if (rc_unicode
&& !utf8
)
341 log_warning("/etc/rc.conf wants unicode, but current locale is not UTF-8 capable!");
342 else if (!rc_unicode
&& utf8
) {
343 log_debug("/etc/rc.conf does not want unicode, leave it on in kernel but does not apply to vconsole.");
349 /* /etc/conf.d/consolefont comments and gentoo
350 * documentation mention uppercase, but the actual
351 * contents are lowercase. the existing
352 * /etc/init.d/consolefont tries both
354 if ((r
= parse_env_file("/etc/conf.d/consolefont", NEWLINE
,
355 "CONSOLEFONT", &vc_font
,
356 "consolefont", &vc_font
,
357 "consoletranslation", &vc_font_map
,
358 "CONSOLETRANSLATION", &vc_font_map
,
359 "unicodemap", &vc_font_unimap
,
360 "UNICODEMAP", &vc_font_unimap
,
363 log_warning("Failed to read /etc/conf.d/consolefont: %s", strerror(-r
));
366 if ((r
= parse_env_file("/etc/conf.d/keymaps", NEWLINE
,
367 "keymap", &vc_keymap
,
368 "KEYMAP", &vc_keymap
,
371 log_warning("Failed to read /etc/conf.d/keymaps: %s", strerror(-r
));
374 #elif defined(TARGET_MANDRIVA) || defined (TARGET_MAGEIA)
376 if ((r
= parse_env_file("/etc/sysconfig/i18n", NEWLINE
,
378 "SYSFONTACM", &vc_font_map
,
379 "UNIMAP", &vc_font_unimap
,
383 log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r
));
386 if ((r
= parse_env_file("/etc/sysconfig/keyboard", NEWLINE
,
387 "KEYTABLE", &vc_keytable
,
388 "KEYMAP", &vc_keymap
,
389 "UNIKEYTABLE", &vc_keymap
,
390 "GRP_TOGGLE", &vc_keymap_toggle
,
394 log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r
));
401 if (endswith(vc_keytable
, ".uni") || strstr(vc_keytable
, ".uni."))
402 vc_keymap
= strdup(vc_keytable
);
405 if ((s
= strstr(vc_keytable
, ".map")))
406 vc_keytable
[s
-vc_keytable
+1] = '\0';
407 vc_keymap
= strappend(vc_keytable
, ".uni");
410 vc_keymap
= strdup(vc_keytable
);
415 log_error("Out of memory.");
420 if (access("/etc/sysconfig/console/default.kmap", F_OK
) >= 0) {
423 if (!(t
= strdup("/etc/sysconfig/console/default.kmap"))) {
424 log_error("Out of memory.");
439 if (load_keymap(vc
, vc_keymap
, vc_keymap_toggle
, utf8
, &keymap_pid
) >= 0 &&
440 load_font(vc
, vc_font
, vc_font_map
, vc_font_unimap
, &font_pid
) >= 0)
445 wait_for_terminate_and_warn(KBD_LOADKEYS
, keymap_pid
);
448 wait_for_terminate_and_warn(KBD_SETFONT
, font_pid
);
453 free(vc_font_unimap
);
456 close_nointr_nofail(fd
);