]> git.ipfire.org Git - thirdparty/systemd.git/blob - src/locale/localed.c
projects / thirdparty / systemd.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
bus: fix exit-on-idle for driverd
[thirdparty/systemd.git] / src / locale / localed.c
1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3 /***
4 This file is part of systemd.
5
6 Copyright 2011 Lennart Poettering
7 Copyright 2013 Kay Sievers
8
9 systemd is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation; either version 2.1 of the License, or
12 (at your option) any later version.
13
14 systemd is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public License
20 along with systemd; If not, see <http://www.gnu.org/licenses/>.
21 ***/
22
23 #include <errno.h>
24 #include <string.h>
25 #include <unistd.h>
26
27 #include "sd-bus.h"
28
29 #include "util.h"
30 #include "mkdir.h"
31 #include "strv.h"
32 #include "def.h"
33 #include "env-util.h"
34 #include "fileio.h"
35 #include "fileio-label.h"
36 #include "label.h"
37 #include "bus-util.h"
38 #include "bus-error.h"
39 #include "bus-message.h"
40 #include "event-util.h"
41
42 enum {
43 /* We don't list LC_ALL here on purpose. People should be
44 * using LANG instead. */
45 LOCALE_LANG,
46 LOCALE_LANGUAGE,
47 LOCALE_LC_CTYPE,
48 LOCALE_LC_NUMERIC,
49 LOCALE_LC_TIME,
50 LOCALE_LC_COLLATE,
51 LOCALE_LC_MONETARY,
52 LOCALE_LC_MESSAGES,
53 LOCALE_LC_PAPER,
54 LOCALE_LC_NAME,
55 LOCALE_LC_ADDRESS,
56 LOCALE_LC_TELEPHONE,
57 LOCALE_LC_MEASUREMENT,
58 LOCALE_LC_IDENTIFICATION,
59 _LOCALE_MAX
60 };
61
62 static const char * const names[_LOCALE_MAX] = {
63 [LOCALE_LANG] = "LANG",
64 [LOCALE_LANGUAGE] = "LANGUAGE",
65 [LOCALE_LC_CTYPE] = "LC_CTYPE",
66 [LOCALE_LC_NUMERIC] = "LC_NUMERIC",
67 [LOCALE_LC_TIME] = "LC_TIME",
68 [LOCALE_LC_COLLATE] = "LC_COLLATE",
69 [LOCALE_LC_MONETARY] = "LC_MONETARY",
70 [LOCALE_LC_MESSAGES] = "LC_MESSAGES",
71 [LOCALE_LC_PAPER] = "LC_PAPER",
72 [LOCALE_LC_NAME] = "LC_NAME",
73 [LOCALE_LC_ADDRESS] = "LC_ADDRESS",
74 [LOCALE_LC_TELEPHONE] = "LC_TELEPHONE",
75 [LOCALE_LC_MEASUREMENT] = "LC_MEASUREMENT",
76 [LOCALE_LC_IDENTIFICATION] = "LC_IDENTIFICATION"
77 };
78
79 typedef struct Context {
80 char *locale[_LOCALE_MAX];
81
82 char *x11_layout;
83 char *x11_model;
84 char *x11_variant;
85 char *x11_options;
86
87 char *vc_keymap;
88 char *vc_keymap_toggle;
89
90 Hashmap *polkit_registry;
91 } Context;
92
93 static int free_and_copy(char **s, const char *v) {
94 int r;
95 char *t;
96
97 assert(s);
98
99 r = strdup_or_null(isempty(v) ? NULL : v, &t);
100 if (r < 0)
101 return r;
102
103 free(*s);
104 *s = t;
105
106 return 0;
107 }
108
109 static void free_and_replace(char **s, char *v) {
110 free(*s);
111 *s = v;
112 }
113
114 static void context_free_x11(Context *c) {
115 free_and_replace(&c->x11_layout, NULL);
116 free_and_replace(&c->x11_model, NULL);
117 free_and_replace(&c->x11_variant, NULL);
118 free_and_replace(&c->x11_options, NULL);
119 }
120
121 static void context_free_vconsole(Context *c) {
122 free_and_replace(&c->vc_keymap, NULL);
123 free_and_replace(&c->vc_keymap_toggle, NULL);
124 }
125
126 static void context_free_locale(Context *c) {
127 int p;
128
129 for (p = 0; p < _LOCALE_MAX; p++)
130 free_and_replace(&c->locale[p], NULL);
131 }
132
133 static void context_free(Context *c, sd_bus *bus) {
134 context_free_locale(c);
135 context_free_x11(c);
136 context_free_vconsole(c);
137
138 bus_verify_polkit_async_registry_free(bus, c->polkit_registry);
139 };
140
141 static void locale_simplify(Context *c) {
142 int p;
143
144 for (p = LOCALE_LANG+1; p < _LOCALE_MAX; p++)
145 if (isempty(c->locale[p]) || streq_ptr(c->locale[LOCALE_LANG], c->locale[p])) {
146 free(c->locale[p]);
147 c->locale[p] = NULL;
148 }
149 }
150
151 static int locale_read_data(Context *c) {
152 int r;
153
154 context_free_locale(c);
155
156 r = parse_env_file("/etc/locale.conf", NEWLINE,
157 "LANG", &c->locale[LOCALE_LANG],
158 "LANGUAGE", &c->locale[LOCALE_LANGUAGE],
159 "LC_CTYPE", &c->locale[LOCALE_LC_CTYPE],
160 "LC_NUMERIC", &c->locale[LOCALE_LC_NUMERIC],
161 "LC_TIME", &c->locale[LOCALE_LC_TIME],
162 "LC_COLLATE", &c->locale[LOCALE_LC_COLLATE],
163 "LC_MONETARY", &c->locale[LOCALE_LC_MONETARY],
164 "LC_MESSAGES", &c->locale[LOCALE_LC_MESSAGES],
165 "LC_PAPER", &c->locale[LOCALE_LC_PAPER],
166 "LC_NAME", &c->locale[LOCALE_LC_NAME],
167 "LC_ADDRESS", &c->locale[LOCALE_LC_ADDRESS],
168 "LC_TELEPHONE", &c->locale[LOCALE_LC_TELEPHONE],
169 "LC_MEASUREMENT", &c->locale[LOCALE_LC_MEASUREMENT],
170 "LC_IDENTIFICATION", &c->locale[LOCALE_LC_IDENTIFICATION],
171 NULL);
172
173 if (r == -ENOENT) {
174 int p;
175
176 /* Fill in what we got passed from systemd. */
177 for (p = 0; p < _LOCALE_MAX; p++) {
178 assert(names[p]);
179
180 r = free_and_copy(&c->locale[p], getenv(names[p]));
181 if (r < 0)
182 return r;
183 }
184
185 r = 0;
186 }
187
188 locale_simplify(c);
189 return r;
190 }
191
192 static int vconsole_read_data(Context *c) {
193 int r;
194
195 context_free_vconsole(c);
196
197 r = parse_env_file("/etc/vconsole.conf", NEWLINE,
198 "KEYMAP", &c->vc_keymap,
199 "KEYMAP_TOGGLE", &c->vc_keymap_toggle,
200 NULL);
201
202 if (r < 0 && r != -ENOENT)
203 return r;
204
205 return 0;
206 }
207
208 static int x11_read_data(Context *c) {
209 FILE *f;
210 char line[LINE_MAX];
211 bool in_section = false;
212
213 context_free_x11(c);
214
215 f = fopen("/etc/X11/xorg.conf.d/00-keyboard.conf", "re");
216 if (!f)
217 return errno == ENOENT ? 0 : -errno;
218
219 while (fgets(line, sizeof(line), f)) {
220 char *l;
221
222 char_array_0(line);
223 l = strstrip(line);
224
225 if (l[0] == 0 || l[0] == '#')
226 continue;
227
228 if (in_section && first_word(l, "Option")) {
229 char **a;
230
231 a = strv_split_quoted(l);
232 if (!a) {
233 fclose(f);
234 return -ENOMEM;
235 }
236
237 if (strv_length(a) == 3) {
238 if (streq(a[1], "XkbLayout")) {
239 free_and_replace(&c->x11_layout, a[2]);
240 a[2] = NULL;
241 } else if (streq(a[1], "XkbModel")) {
242 free_and_replace(&c->x11_model, a[2]);
243 a[2] = NULL;
244 } else if (streq(a[1], "XkbVariant")) {
245 free_and_replace(&c->x11_variant, a[2]);
246 a[2] = NULL;
247 } else if (streq(a[1], "XkbOptions")) {
248 free_and_replace(&c->x11_options, a[2]);
249 a[2] = NULL;
250 }
251 }
252
253 strv_free(a);
254
255 } else if (!in_section && first_word(l, "Section")) {
256 char **a;
257
258 a = strv_split_quoted(l);
259 if (!a) {
260 fclose(f);
261 return -ENOMEM;
262 }
263
264 if (strv_length(a) == 2 && streq(a[1], "InputClass"))
265 in_section = true;
266
267 strv_free(a);
268 } else if (in_section && first_word(l, "EndSection"))
269 in_section = false;
270 }
271
272 fclose(f);
273
274 return 0;
275 }
276
277 static int context_read_data(Context *c) {
278 int r, q, p;
279
280 r = locale_read_data(c);
281 q = vconsole_read_data(c);
282 p = x11_read_data(c);
283
284 return r < 0 ? r : q < 0 ? q : p;
285 }
286
287 static int locale_write_data(Context *c) {
288 int r, p;
289 char **l = NULL;
290
291 r = load_env_file("/etc/locale.conf", NULL, &l);
292 if (r < 0 && r != -ENOENT)
293 return r;
294
295 for (p = 0; p < _LOCALE_MAX; p++) {
296 char *t, **u;
297
298 assert(names[p]);
299
300 if (isempty(c->locale[p])) {
301 l = strv_env_unset(l, names[p]);
302 continue;
303 }
304
305 if (asprintf(&t, "%s=%s", names[p], c->locale[p]) < 0) {
306 strv_free(l);
307 return -ENOMEM;
308 }
309
310 u = strv_env_set(l, t);
311 free(t);
312 strv_free(l);
313
314 if (!u)
315 return -ENOMEM;
316
317 l = u;
318 }
319
320 if (strv_isempty(l)) {
321 strv_free(l);
322
323 if (unlink("/etc/locale.conf") < 0)
324 return errno == ENOENT ? 0 : -errno;
325
326 return 0;
327 }
328
329 r = write_env_file_label("/etc/locale.conf", l);
330 strv_free(l);
331
332 return r;
333 }
334
335 static int locale_update_system_manager(Context *c, sd_bus *bus) {
336 _cleanup_free_ char **l_unset = NULL;
337 _cleanup_strv_free_ char **l_set = NULL;
338 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
339 sd_bus_error error = SD_BUS_ERROR_NULL;
340 unsigned c_set, c_unset, p;
341 int r;
342
343 assert(bus);
344
345 l_unset = new0(char*, _LOCALE_MAX);
346 if (!l_unset)
347 return -ENOMEM;
348
349 l_set = new0(char*, _LOCALE_MAX);
350 if (!l_set)
351 return -ENOMEM;
352
353 for (p = 0, c_set = 0, c_unset = 0; p < _LOCALE_MAX; p++) {
354 assert(names[p]);
355
356 if (isempty(c->locale[p]))
357 l_unset[c_set++] = (char*) names[p];
358 else {
359 char *s;
360
361 if (asprintf(&s, "%s=%s", names[p], c->locale[p]) < 0)
362 return -ENOMEM;
363
364 l_set[c_unset++] = s;
365 }
366 }
367
368 assert(c_set + c_unset == _LOCALE_MAX);
369 r = sd_bus_message_new_method_call(bus,
370 "org.freedesktop.systemd1",
371 "/org/freedesktop/systemd1",
372 "org.freedesktop.systemd1.Manager",
373 "UnsetAndSetEnvironment", &m);
374 if (r < 0)
375 return r;
376
377 r = sd_bus_message_append_strv(m, l_unset);
378 if (r < 0)
379 return r;
380
381 r = sd_bus_message_append_strv(m, l_set);
382 if (r < 0)
383 return r;
384
385 r = sd_bus_call(bus, m, 0, &error, NULL);
386 if (r < 0)
387 log_error("Failed to update the manager environment: %s", strerror(-r));
388
389 return 0;
390 }
391
392 static int vconsole_write_data(Context *c) {
393 int r;
394 _cleanup_strv_free_ char **l = NULL;
395
396 r = load_env_file("/etc/vconsole.conf", NULL, &l);
397 if (r < 0 && r != -ENOENT)
398 return r;
399
400 if (isempty(c->vc_keymap))
401 l = strv_env_unset(l, "KEYMAP");
402 else {
403 char *s, **u;
404
405 s = strappend("KEYMAP=", c->vc_keymap);
406 if (!s)
407 return -ENOMEM;
408
409 u = strv_env_set(l, s);
410 free(s);
411 strv_free(l);
412
413 if (!u)
414 return -ENOMEM;
415
416 l = u;
417 }
418
419 if (isempty(c->vc_keymap_toggle))
420 l = strv_env_unset(l, "KEYMAP_TOGGLE");
421 else {
422 char *s, **u;
423
424 s = strappend("KEYMAP_TOGGLE=", c->vc_keymap_toggle);
425 if (!s)
426 return -ENOMEM;
427
428 u = strv_env_set(l, s);
429 free(s);
430 strv_free(l);
431
432 if (!u)
433 return -ENOMEM;
434
435 l = u;
436 }
437
438 if (strv_isempty(l)) {
439 if (unlink("/etc/vconsole.conf") < 0)
440 return errno == ENOENT ? 0 : -errno;
441
442 return 0;
443 }
444
445 r = write_env_file_label("/etc/vconsole.conf", l);
446 return r;
447 }
448
449 static int write_data_x11(Context *c) {
450 _cleanup_fclose_ FILE *f = NULL;
451 _cleanup_free_ char *temp_path = NULL;
452 int r;
453
454 if (isempty(c->x11_layout) &&
455 isempty(c->x11_model) &&
456 isempty(c->x11_variant) &&
457 isempty(c->x11_options)) {
458
459 if (unlink("/etc/X11/xorg.conf.d/00-keyboard.conf") < 0)
460 return errno == ENOENT ? 0 : -errno;
461
462 return 0;
463 }
464
465 mkdir_p_label("/etc/X11/xorg.conf.d", 0755);
466
467 r = fopen_temporary("/etc/X11/xorg.conf.d/00-keyboard.conf", &f, &temp_path);
468 if (r < 0)
469 return r;
470
471 fchmod(fileno(f), 0644);
472
473 fputs("# Read and parsed by systemd-localed. It's probably wise not to edit this file\n"
474 "# manually too freely.\n"
475 "Section \"InputClass\"\n"
476 " Identifier \"system-keyboard\"\n"
477 " MatchIsKeyboard \"on\"\n", f);
478
479 if (!isempty(c->x11_layout))
480 fprintf(f, " Option \"XkbLayout\" \"%s\"\n", c->x11_layout);
481
482 if (!isempty(c->x11_model))
483 fprintf(f, " Option \"XkbModel\" \"%s\"\n", c->x11_model);
484
485 if (!isempty(c->x11_variant))
486 fprintf(f, " Option \"XkbVariant\" \"%s\"\n", c->x11_variant);
487
488 if (!isempty(c->x11_options))
489 fprintf(f, " Option \"XkbOptions\" \"%s\"\n", c->x11_options);
490
491 fputs("EndSection\n", f);
492 fflush(f);
493
494 if (ferror(f) || rename(temp_path, "/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) {
495 r = -errno;
496 unlink("/etc/X11/xorg.conf.d/00-keyboard.conf");
497 unlink(temp_path);
498 return r;
499 } else
500 return 0;
501 }
502
503 static int vconsole_reload(sd_bus *bus) {
504 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
505 int r;
506
507 assert(bus);
508
509 r = sd_bus_call_method(bus,
510 "org.freedesktop.systemd1",
511 "/org/freedesktop/systemd1",
512 "org.freedesktop.systemd1.Manager",
513 "RestartUnit",
514 &error,
515 NULL,
516 "ss", "systemd-vconsole-setup.service", "replace");
517
518 if (r < 0)
519 log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
520 return r;
521 }
522
523 static char *strnulldash(const char *s) {
524 return s == NULL || *s == 0 || (s[0] == '-' && s[1] == 0) ? NULL : (char*) s;
525 }
526
527 static int read_next_mapping(FILE *f, unsigned *n, char ***a) {
528 assert(f);
529 assert(n);
530 assert(a);
531
532 for (;;) {
533 char line[LINE_MAX];
534 char *l, **b;
535
536 errno = 0;
537 if (!fgets(line, sizeof(line), f)) {
538
539 if (ferror(f))
540 return errno ? -errno : -EIO;
541
542 return 0;
543 }
544
545 (*n) ++;
546
547 l = strstrip(line);
548 if (l[0] == 0 || l[0] == '#')
549 continue;
550
551 b = strv_split_quoted(l);
552 if (!b)
553 return -ENOMEM;
554
555 if (strv_length(b) < 5) {
556 log_error("Invalid line "SYSTEMD_KBD_MODEL_MAP":%u, ignoring.", *n);
557 strv_free(b);
558 continue;
559
560 }
561
562 *a = b;
563 return 1;
564 }
565 }
566
567 static int vconsole_convert_to_x11(Context *c, sd_bus *bus) {
568 bool modified = false;
569
570 assert(bus);
571
572 if (isempty(c->vc_keymap)) {
573
574 modified =
575 !isempty(c->x11_layout) ||
576 !isempty(c->x11_model) ||
577 !isempty(c->x11_variant) ||
578 !isempty(c->x11_options);
579
580 context_free_x11(c);
581 } else {
582 _cleanup_fclose_ FILE *f = NULL;
583 unsigned n = 0;
584
585 f = fopen(SYSTEMD_KBD_MODEL_MAP, "re");
586 if (!f)
587 return -errno;
588
589 for (;;) {
590 _cleanup_strv_free_ char **a = NULL;
591 int r;
592
593 r = read_next_mapping(f, &n, &a);
594 if (r < 0)
595 return r;
596 if (r == 0)
597 break;
598
599 if (!streq(c->vc_keymap, a[0]))
600 continue;
601
602 if (!streq_ptr(c->x11_layout, strnulldash(a[1])) ||
603 !streq_ptr(c->x11_model, strnulldash(a[2])) ||
604 !streq_ptr(c->x11_variant, strnulldash(a[3])) ||
605 !streq_ptr(c->x11_options, strnulldash(a[4]))) {
606
607 if (free_and_copy(&c->x11_layout, strnulldash(a[1])) < 0 ||
608 free_and_copy(&c->x11_model, strnulldash(a[2])) < 0 ||
609 free_and_copy(&c->x11_variant, strnulldash(a[3])) < 0 ||
610 free_and_copy(&c->x11_options, strnulldash(a[4])) < 0)
611 return -ENOMEM;
612
613 modified = true;
614 }
615
616 break;
617 }
618 }
619
620 if (modified) {
621 int r;
622
623 r = write_data_x11(c);
624 if (r < 0)
625 log_error("Failed to set X11 keyboard layout: %s", strerror(-r));
626
627 sd_bus_emit_properties_changed(bus,
628 "/org/freedesktop/locale1",
629 "org.freedesktop.locale1",
630 "X11Layout", "X11Model", "X11Variant", "X11Options", NULL);
631 }
632
633 return 0;
634 }
635
636 static int find_converted_keymap(Context *c, char **new_keymap) {
637 const char *dir;
638 _cleanup_free_ char *n;
639
640 if (c->x11_variant)
641 n = strjoin(c->x11_layout, "-", c->x11_variant, NULL);
642 else
643 n = strdup(c->x11_layout);
644 if (!n)
645 return -ENOMEM;
646
647 NULSTR_FOREACH(dir, KBD_KEYMAP_DIRS) {
648 _cleanup_free_ char *p = NULL, *pz = NULL;
649
650 p = strjoin(dir, "xkb/", n, ".map", NULL);
651 pz = strjoin(dir, "xkb/", n, ".map.gz", NULL);
652 if (!p || !pz)
653 return -ENOMEM;
654
655 if (access(p, F_OK) == 0 || access(pz, F_OK) == 0) {
656 *new_keymap = n;
657 n = NULL;
658 return 1;
659 }
660 }
661
662 return 0;
663 }
664
665 static int find_legacy_keymap(Context *c, char **new_keymap) {
666 _cleanup_fclose_ FILE *f;
667 unsigned n = 0;
668 unsigned best_matching = 0;
669
670
671 f = fopen(SYSTEMD_KBD_MODEL_MAP, "re");
672 if (!f)
673 return -errno;
674
675 for (;;) {
676 _cleanup_strv_free_ char **a = NULL;
677 unsigned matching = 0;
678 int r;
679
680 r = read_next_mapping(f, &n, &a);
681 if (r < 0)
682 return r;
683 if (r == 0)
684 break;
685
686 /* Determine how well matching this entry is */
687 if (streq_ptr(c->x11_layout, a[1]))
688 /* If we got an exact match, this is best */
689 matching = 10;
690 else {
691 size_t x;
692
693 x = strcspn(c->x11_layout, ",");
694
695 /* We have multiple X layouts, look for an
696 * entry that matches our key with everything
697 * but the first layout stripped off. */
698 if (x > 0 &&
699 strlen(a[1]) == x &&
700 strneq(c->x11_layout, a[1], x))
701 matching = 5;
702 else {
703 size_t w;
704
705 /* If that didn't work, strip off the
706 * other layouts from the entry, too */
707 w = strcspn(a[1], ",");
708
709 if (x > 0 && x == w &&
710 memcmp(c->x11_layout, a[1], x) == 0)
711 matching = 1;
712 }
713 }
714
715 if (matching > 0 &&
716 streq_ptr(c->x11_model, a[2])) {
717 matching++;
718
719 if (streq_ptr(c->x11_variant, a[3])) {
720 matching++;
721
722 if (streq_ptr(c->x11_options, a[4]))
723 matching++;
724 }
725 }
726
727 /* The best matching entry so far, then let's save that */
728 if (matching > best_matching) {
729 best_matching = matching;
730
731 free(*new_keymap);
732 *new_keymap = strdup(a[0]);
733 if (!*new_keymap)
734 return -ENOMEM;
735 }
736 }
737
738 return 0;
739 }
740
741 static int x11_convert_to_vconsole(Context *c, sd_bus *bus) {
742 bool modified = false;
743 int r;
744
745 assert(bus);
746
747 if (isempty(c->x11_layout)) {
748
749 modified =
750 !isempty(c->vc_keymap) ||
751 !isempty(c->vc_keymap_toggle);
752
753 context_free_x11(c);
754 } else {
755 char *new_keymap = NULL;
756
757 r = find_converted_keymap(c, &new_keymap);
758 if (r < 0)
759 return r;
760 else if (r == 0) {
761 r = find_legacy_keymap(c, &new_keymap);
762 if (r < 0)
763 return r;
764 }
765
766 if (!streq_ptr(c->vc_keymap, new_keymap)) {
767 free_and_replace(&c->vc_keymap, new_keymap);
768 free_and_replace(&c->vc_keymap_toggle, NULL);
769 modified = true;
770 } else
771 free(new_keymap);
772 }
773
774 if (modified) {
775 r = vconsole_write_data(c);
776 if (r < 0)
777 log_error("Failed to set virtual console keymap: %s", strerror(-r));
778
779 sd_bus_emit_properties_changed(bus,
780 "/org/freedesktop/locale1",
781 "org.freedesktop.locale1",
782 "VConsoleKeymap", "VConsoleKeymapToggle", NULL);
783
784 return vconsole_reload(bus);
785 }
786
787 return 0;
788 }
789
790 static int property_get_locale(
791 sd_bus *bus,
792 const char *path,
793 const char *interface,
794 const char *property,
795 sd_bus_message *reply,
796 void *userdata,
797 sd_bus_error *error) {
798
799 Context *c = userdata;
800 _cleanup_strv_free_ char **l = NULL;
801 int p, q;
802
803 l = new0(char*, _LOCALE_MAX+1);
804 if (!l)
805 return -ENOMEM;
806
807 for (p = 0, q = 0; p < _LOCALE_MAX; p++) {
808 char *t;
809
810 if (isempty(c->locale[p]))
811 continue;
812
813 if (asprintf(&t, "%s=%s", names[p], c->locale[p]) < 0)
814 return -ENOMEM;
815
816 l[q++] = t;
817 }
818
819 return sd_bus_message_append_strv(reply, l);
820 }
821
822 static int method_set_locale(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
823 Context *c = userdata;
824 _cleanup_strv_free_ char **l = NULL;
825 char **i;
826 int interactive;
827 bool modified = false;
828 bool passed[_LOCALE_MAX] = {};
829 int p;
830 int r;
831
832 r = bus_message_read_strv_extend(m, &l);
833 if (r < 0)
834 return r;
835
836 r = sd_bus_message_read_basic(m, 'b', &interactive);
837 if (r < 0)
838 return r;
839
840 /* Check whether a variable changed and if so valid */
841 STRV_FOREACH(i, l) {
842 bool valid = false;
843
844 for (p = 0; p < _LOCALE_MAX; p++) {
845 size_t k;
846
847 k = strlen(names[p]);
848 if (startswith(*i, names[p]) &&
849 (*i)[k] == '=' &&
850 string_is_safe((*i) + k + 1)) {
851 valid = true;
852 passed[p] = true;
853
854 if (!streq_ptr(*i + k + 1, c->locale[p]))
855 modified = true;
856
857 break;
858 }
859 }
860
861 if (!valid)
862 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid Locale data.");
863 }
864
865 /* Check whether a variable is unset */
866 if (!modified) {
867 for (p = 0; p < _LOCALE_MAX; p++)
868 if (!isempty(c->locale[p]) && !passed[p]) {
869 modified = true;
870 break;
871 }
872 }
873
874 if (modified) {
875 r = bus_verify_polkit_async(bus, &c->polkit_registry, m,
876 "org.freedesktop.locale1.set-locale", interactive,
877 error, method_set_locale, c);
878 if (r < 0)
879 return r;
880 if (r == 0)
881 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
882
883 STRV_FOREACH(i, l) {
884 for (p = 0; p < _LOCALE_MAX; p++) {
885 size_t k;
886
887 k = strlen(names[p]);
888 if (startswith(*i, names[p]) && (*i)[k] == '=') {
889 char *t;
890
891 t = strdup(*i + k + 1);
892 if (!t)
893 return -ENOMEM;
894
895 free(c->locale[p]);
896 c->locale[p] = t;
897 break;
898 }
899 }
900 }
901
902 for (p = 0; p < _LOCALE_MAX; p++) {
903 if (passed[p])
904 continue;
905
906 free_and_replace(&c->locale[p], NULL);
907 }
908
909 locale_simplify(c);
910
911 r = locale_write_data(c);
912 if (r < 0) {
913 log_error("Failed to set locale: %s", strerror(-r));
914 return sd_bus_error_set_errnof(error, r, "Failed to set locale: %s", strerror(-r));
915 }
916
917 locale_update_system_manager(c, bus);
918
919 log_info("Changed locale information.");
920
921 sd_bus_emit_properties_changed(bus,
922 "/org/freedesktop/locale1",
923 "org.freedesktop.locale1",
924 "Locale", NULL);
925 }
926
927 return sd_bus_reply_method_return(m, NULL);
928 }
929
930 static int method_set_vc_keyboard(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
931 Context *c = userdata;
932 const char *keymap, *keymap_toggle;
933 int convert, interactive;
934 int r;
935
936 r = sd_bus_message_read(m, "ssbb", &keymap, &keymap_toggle, &convert, &interactive);
937 if (r < 0)
938 return r;
939
940 if (isempty(keymap))
941 keymap = NULL;
942
943 if (isempty(keymap_toggle))
944 keymap_toggle = NULL;
945
946 if (!streq_ptr(keymap, c->vc_keymap) ||
947 !streq_ptr(keymap_toggle, c->vc_keymap_toggle)) {
948
949 if ((keymap && (!filename_is_safe(keymap) || !string_is_safe(keymap))) ||
950 (keymap_toggle && (!filename_is_safe(keymap_toggle) || !string_is_safe(keymap_toggle))))
951 return sd_bus_error_set_errnof(error, r, "Received invalid keymap data: %s", -EINVAL);
952
953 r = bus_verify_polkit_async(bus, &c->polkit_registry, m,
954 "org.freedesktop.locale1.set-keyboard",
955 interactive, error, method_set_vc_keyboard, c);
956 if (r < 0)
957 return r;
958 if (r == 0)
959 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
960
961 if (free_and_copy(&c->vc_keymap, keymap) < 0 ||
962 free_and_copy(&c->vc_keymap_toggle, keymap_toggle) < 0)
963 return -ENOMEM;
964
965 r = vconsole_write_data(c);
966 if (r < 0) {
967 log_error("Failed to set virtual console keymap: %s", strerror(-r));
968 return sd_bus_error_set_errnof(error, r, "Failed to set virtual console keymap: %s", strerror(-r));
969 }
970
971 log_info("Changed virtual console keymap to '%s'", strempty(c->vc_keymap));
972
973 r = vconsole_reload(bus);
974 if (r < 0)
975 log_error("Failed to request keymap reload: %s", strerror(-r));
976
977 sd_bus_emit_properties_changed(bus,
978 "/org/freedesktop/locale1",
979 "org.freedesktop.locale1",
980 "VConsoleKeymap", "VConsoleKeymapToggle", NULL);
981
982 if (convert) {
983 r = vconsole_convert_to_x11(c, bus);
984 if (r < 0)
985 log_error("Failed to convert keymap data: %s", strerror(-r));
986 }
987 }
988
989 return sd_bus_reply_method_return(m, NULL);
990 }
991
992 static int method_set_x11_keyboard(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
993 Context *c = userdata;
994 const char *layout, *model, *variant, *options;
995 int convert, interactive;
996 int r;
997
998 r = sd_bus_message_read(m, "ssssbb", &layout, &model, &variant, &options, &convert, &interactive);
999 if (r < 0)
1000 return r;
1001
1002 if (isempty(layout))
1003 layout = NULL;
1004
1005 if (isempty(model))
1006 model = NULL;
1007
1008 if (isempty(variant))
1009 variant = NULL;
1010
1011 if (isempty(options))
1012 options = NULL;
1013
1014 if (!streq_ptr(layout, c->x11_layout) ||
1015 !streq_ptr(model, c->x11_model) ||
1016 !streq_ptr(variant, c->x11_variant) ||
1017 !streq_ptr(options, c->x11_options)) {
1018
1019 if ((layout && !string_is_safe(layout)) ||
1020 (model && !string_is_safe(model)) ||
1021 (variant && !string_is_safe(variant)) ||
1022 (options && !string_is_safe(options)))
1023 return sd_bus_error_set_errnof(error, r, "Received invalid keyboard data: %s", -EINVAL);
1024
1025 r = bus_verify_polkit_async(bus, &c->polkit_registry, m,
1026 "org.freedesktop.locale1.set-keyboard",
1027 interactive, error, method_set_x11_keyboard, c);
1028 if (r < 0)
1029 return r;
1030 if (r == 0)
1031 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1032
1033 if (free_and_copy(&c->x11_layout, layout) < 0 ||
1034 free_and_copy(&c->x11_model, model) < 0 ||
1035 free_and_copy(&c->x11_variant, variant) < 0 ||
1036 free_and_copy(&c->x11_options, options) < 0)
1037 return -ENOMEM;
1038
1039 r = write_data_x11(c);
1040 if (r < 0) {
1041 log_error("Failed to set X11 keyboard layout: %s", strerror(-r));
1042 return sd_bus_error_set_errnof(error, r, "Failed to set X11 keyboard layout: %s", strerror(-r));
1043 }
1044
1045 log_info("Changed X11 keyboard layout to '%s'", strempty(c->x11_layout));
1046
1047 sd_bus_emit_properties_changed(bus,
1048 "/org/freedesktop/locale1",
1049 "org.freedesktop.locale1",
1050 "X11Layout" "X11Model" "X11Variant" "X11Options", NULL);
1051
1052 if (convert) {
1053 r = x11_convert_to_vconsole(c, bus);
1054 if (r < 0)
1055 log_error("Failed to convert keymap data: %s", strerror(-r));
1056 }
1057 }
1058
1059 return sd_bus_reply_method_return(m, NULL);
1060 }
1061
1062 static const sd_bus_vtable locale_vtable[] = {
1063 SD_BUS_VTABLE_START(0),
1064 SD_BUS_PROPERTY("Locale", "as", property_get_locale, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1065 SD_BUS_PROPERTY("X11Layout", "s", NULL, offsetof(Context, x11_layout), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1066 SD_BUS_PROPERTY("X11Model", "s", NULL, offsetof(Context, x11_model), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1067 SD_BUS_PROPERTY("X11Variant", "s", NULL, offsetof(Context, x11_variant), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1068 SD_BUS_PROPERTY("X11Options", "s", NULL, offsetof(Context, x11_options), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1069 SD_BUS_PROPERTY("VConsoleKeymap", "s", NULL, offsetof(Context, vc_keymap), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1070 SD_BUS_PROPERTY("VConsoleKeymapToggle", "s", NULL, offsetof(Context, vc_keymap_toggle), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
1071 SD_BUS_METHOD("SetLocale", "asb", NULL, method_set_locale, SD_BUS_VTABLE_UNPRIVILEGED),
1072 SD_BUS_METHOD("SetVConsoleKeyboard", "ssbb", NULL, method_set_vc_keyboard, SD_BUS_VTABLE_UNPRIVILEGED),
1073 SD_BUS_METHOD("SetX11Keyboard", "ssssbb", NULL, method_set_x11_keyboard, SD_BUS_VTABLE_UNPRIVILEGED),
1074 SD_BUS_VTABLE_END
1075 };
1076
1077 static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) {
1078 _cleanup_bus_unref_ sd_bus *bus = NULL;
1079 int r;
1080
1081 assert(c);
1082 assert(event);
1083 assert(_bus);
1084
1085 r = sd_bus_default_system(&bus);
1086 if (r < 0) {
1087 log_error("Failed to get system bus connection: %s", strerror(-r));
1088 return r;
1089 }
1090
1091 r = sd_bus_add_object_vtable(bus, "/org/freedesktop/locale1", "org.freedesktop.locale1", locale_vtable, c);
1092 if (r < 0) {
1093 log_error("Failed to register object: %s", strerror(-r));
1094 return r;
1095 }
1096
1097 r = sd_bus_request_name(bus, "org.freedesktop.locale1", 0);
1098 if (r < 0) {
1099 log_error("Failed to register name: %s", strerror(-r));
1100 return r;
1101 }
1102
1103 r = sd_bus_attach_event(bus, event, 0);
1104 if (r < 0) {
1105 log_error("Failed to attach bus to event loop: %s", strerror(-r));
1106 return r;
1107 }
1108
1109 *_bus = bus;
1110 bus = NULL;
1111
1112 return 0;
1113 }
1114
1115 int main(int argc, char *argv[]) {
1116 Context context = {};
1117 _cleanup_event_unref_ sd_event *event = NULL;
1118 _cleanup_bus_unref_ sd_bus *bus = NULL;
1119 int r;
1120
1121 log_set_target(LOG_TARGET_AUTO);
1122 log_parse_environment();
1123 log_open();
1124
1125 umask(0022);
1126 label_init("/etc");
1127
1128 if (argc != 1) {
1129 log_error("This program takes no arguments.");
1130 r = -EINVAL;
1131 goto finish;
1132 }
1133
1134 r = sd_event_default(&event);
1135 if (r < 0) {
1136 log_error("Failed to allocate event loop: %s", strerror(-r));
1137 goto finish;
1138 }
1139
1140 sd_event_set_watchdog(event, true);
1141
1142 r = connect_bus(&context, event, &bus);
1143 if (r < 0)
1144 goto finish;
1145
1146 r = context_read_data(&context);
1147 if (r < 0) {
1148 log_error("Failed to read locale data: %s", strerror(-r));
1149 goto finish;
1150 }
1151
1152 r = bus_event_loop_with_idle(event, bus, "org.freedesktop.locale1", DEFAULT_EXIT_USEC, NULL, NULL);
1153 if (r < 0) {
1154 log_error("Failed to run event loop: %s", strerror(-r));
1155 goto finish;
1156 }
1157
1158 finish:
1159 context_free(&context, bus);
1160
1161 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
1162 }
Unnamed repository; edit this file 'description' to name the repository.