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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
4897d1dc ZJS |
2 | |
3 | #include <errno.h> | |
ca78ad1d ZJS |
4 | #include <sys/stat.h> |
5 | #include <sys/types.h> | |
4897d1dc ZJS |
6 | #include <unistd.h> |
7 | ||
269e4d2d | 8 | #include "bus-polkit.h" |
8f20232f | 9 | #include "copy.h" |
686d13b9 | 10 | #include "env-file-label.h" |
f05e1d0d | 11 | #include "env-file.h" |
4897d1dc ZJS |
12 | #include "env-util.h" |
13 | #include "fd-util.h" | |
14 | #include "fileio-label.h" | |
15 | #include "fileio.h" | |
8f20232f | 16 | #include "fs-util.h" |
f05e1d0d | 17 | #include "kbd-util.h" |
3e5203b3 | 18 | #include "localed-util.h" |
4897d1dc | 19 | #include "macro.h" |
35cd0ba5 | 20 | #include "mkdir-label.h" |
d8b4d14d | 21 | #include "nulstr-util.h" |
8f20232f | 22 | #include "process-util.h" |
4897d1dc ZJS |
23 | #include "string-util.h" |
24 | #include "strv.h" | |
e4de7287 | 25 | #include "tmpfile-util.h" |
4897d1dc ZJS |
26 | |
27 | static bool startswith_comma(const char *s, const char *prefix) { | |
5ad327dd ZJS |
28 | s = startswith(s, prefix); |
29 | if (!s) | |
30 | return false; | |
4897d1dc | 31 | |
4c701096 | 32 | return IN_SET(*s, ',', '\0'); |
4897d1dc ZJS |
33 | } |
34 | ||
cabffaf8 ZJS |
35 | static const char* systemd_kbd_model_map(void) { |
36 | const char* s; | |
37 | ||
38 | s = getenv("SYSTEMD_KBD_MODEL_MAP"); | |
39 | if (s) | |
40 | return s; | |
41 | ||
42 | return SYSTEMD_KBD_MODEL_MAP; | |
43 | } | |
44 | ||
45 | static const char* systemd_language_fallback_map(void) { | |
46 | const char* s; | |
47 | ||
48 | s = getenv("SYSTEMD_LANGUAGE_FALLBACK_MAP"); | |
49 | if (s) | |
50 | return s; | |
51 | ||
52 | return SYSTEMD_LANGUAGE_FALLBACK_MAP; | |
53 | } | |
54 | ||
4897d1dc ZJS |
55 | static void context_free_x11(Context *c) { |
56 | c->x11_layout = mfree(c->x11_layout); | |
57 | c->x11_options = mfree(c->x11_options); | |
58 | c->x11_model = mfree(c->x11_model); | |
59 | c->x11_variant = mfree(c->x11_variant); | |
60 | } | |
61 | ||
62 | static void context_free_vconsole(Context *c) { | |
63 | c->vc_keymap = mfree(c->vc_keymap); | |
64 | c->vc_keymap_toggle = mfree(c->vc_keymap_toggle); | |
65 | } | |
66 | ||
6804d7a8 | 67 | void context_clear(Context *c) { |
3d36b5d7 | 68 | locale_context_clear(&c->locale_context); |
4897d1dc ZJS |
69 | context_free_x11(c); |
70 | context_free_vconsole(c); | |
65d34266 YW |
71 | |
72 | sd_bus_message_unref(c->locale_cache); | |
73 | sd_bus_message_unref(c->x11_cache); | |
74 | sd_bus_message_unref(c->vc_cache); | |
af7865c1 YW |
75 | |
76 | bus_verify_polkit_async_registry_free(c->polkit_registry); | |
4897d1dc ZJS |
77 | }; |
78 | ||
df4fd2c7 | 79 | int locale_read_data(Context *c, sd_bus_message *m) { |
3d36b5d7 | 80 | assert(c); |
4897d1dc | 81 | |
df4fd2c7 | 82 | /* Do not try to re-read the file within single bus operation. */ |
65d34266 YW |
83 | if (m) { |
84 | if (m == c->locale_cache) | |
85 | return 0; | |
4897d1dc | 86 | |
65d34266 YW |
87 | sd_bus_message_unref(c->locale_cache); |
88 | c->locale_cache = sd_bus_message_ref(m); | |
89 | } | |
df4fd2c7 | 90 | |
3d36b5d7 | 91 | return locale_context_load(&c->locale_context, LOCALE_LOAD_LOCALE_CONF | LOCALE_LOAD_ENVIRONMENT | LOCALE_LOAD_SIMPLIFY); |
4897d1dc ZJS |
92 | } |
93 | ||
df4fd2c7 YW |
94 | int vconsole_read_data(Context *c, sd_bus_message *m) { |
95 | struct stat st; | |
96 | usec_t t; | |
4897d1dc | 97 | |
df4fd2c7 | 98 | /* Do not try to re-read the file within single bus operation. */ |
65d34266 YW |
99 | if (m) { |
100 | if (m == c->vc_cache) | |
101 | return 0; | |
df4fd2c7 | 102 | |
65d34266 YW |
103 | sd_bus_message_unref(c->vc_cache); |
104 | c->vc_cache = sd_bus_message_ref(m); | |
105 | } | |
df4fd2c7 YW |
106 | |
107 | if (stat("/etc/vconsole.conf", &st) < 0) { | |
108 | if (errno != ENOENT) | |
109 | return -errno; | |
110 | ||
111 | c->vc_mtime = USEC_INFINITY; | |
112 | context_free_vconsole(c); | |
113 | return 0; | |
114 | } | |
115 | ||
116 | /* If mtime is not changed, then we do not need to re-read */ | |
117 | t = timespec_load(&st.st_mtim); | |
118 | if (c->vc_mtime != USEC_INFINITY && t == c->vc_mtime) | |
119 | return 0; | |
120 | ||
121 | c->vc_mtime = t; | |
4897d1dc ZJS |
122 | context_free_vconsole(c); |
123 | ||
40f35786 ZJS |
124 | return parse_env_file(NULL, "/etc/vconsole.conf", |
125 | "KEYMAP", &c->vc_keymap, | |
126 | "KEYMAP_TOGGLE", &c->vc_keymap_toggle); | |
4897d1dc ZJS |
127 | } |
128 | ||
df4fd2c7 YW |
129 | int x11_read_data(Context *c, sd_bus_message *m) { |
130 | _cleanup_fclose_ FILE *f = NULL; | |
4897d1dc | 131 | bool in_section = false; |
df4fd2c7 YW |
132 | struct stat st; |
133 | usec_t t; | |
4897d1dc ZJS |
134 | int r; |
135 | ||
df4fd2c7 | 136 | /* Do not try to re-read the file within single bus operation. */ |
65d34266 YW |
137 | if (m) { |
138 | if (m == c->x11_cache) | |
139 | return 0; | |
df4fd2c7 | 140 | |
65d34266 YW |
141 | sd_bus_message_unref(c->x11_cache); |
142 | c->x11_cache = sd_bus_message_ref(m); | |
143 | } | |
df4fd2c7 YW |
144 | |
145 | if (stat("/etc/X11/xorg.conf.d/00-keyboard.conf", &st) < 0) { | |
146 | if (errno != ENOENT) | |
147 | return -errno; | |
148 | ||
149 | c->x11_mtime = USEC_INFINITY; | |
150 | context_free_x11(c); | |
151 | return 0; | |
152 | } | |
153 | ||
154 | /* If mtime is not changed, then we do not need to re-read */ | |
155 | t = timespec_load(&st.st_mtim); | |
156 | if (c->x11_mtime != USEC_INFINITY && t == c->x11_mtime) | |
157 | return 0; | |
158 | ||
159 | c->x11_mtime = t; | |
4897d1dc ZJS |
160 | context_free_x11(c); |
161 | ||
162 | f = fopen("/etc/X11/xorg.conf.d/00-keyboard.conf", "re"); | |
163 | if (!f) | |
df4fd2c7 | 164 | return -errno; |
4897d1dc | 165 | |
1d47b569 LP |
166 | for (;;) { |
167 | _cleanup_free_ char *line = NULL; | |
4897d1dc ZJS |
168 | char *l; |
169 | ||
1d47b569 LP |
170 | r = read_line(f, LONG_LINE_MAX, &line); |
171 | if (r < 0) | |
172 | return r; | |
173 | if (r == 0) | |
174 | break; | |
4897d1dc | 175 | |
1d47b569 | 176 | l = strstrip(line); |
4c701096 | 177 | if (IN_SET(l[0], 0, '#')) |
4897d1dc ZJS |
178 | continue; |
179 | ||
180 | if (in_section && first_word(l, "Option")) { | |
181 | _cleanup_strv_free_ char **a = NULL; | |
182 | ||
90e30d76 | 183 | r = strv_split_full(&a, l, WHITESPACE, EXTRACT_UNQUOTE); |
4897d1dc ZJS |
184 | if (r < 0) |
185 | return r; | |
186 | ||
187 | if (strv_length(a) == 3) { | |
188 | char **p = NULL; | |
189 | ||
190 | if (streq(a[1], "XkbLayout")) | |
191 | p = &c->x11_layout; | |
192 | else if (streq(a[1], "XkbModel")) | |
193 | p = &c->x11_model; | |
194 | else if (streq(a[1], "XkbVariant")) | |
195 | p = &c->x11_variant; | |
196 | else if (streq(a[1], "XkbOptions")) | |
197 | p = &c->x11_options; | |
198 | ||
38cd55b0 | 199 | if (p) |
f9ecfd3b | 200 | free_and_replace(*p, a[2]); |
4897d1dc ZJS |
201 | } |
202 | ||
203 | } else if (!in_section && first_word(l, "Section")) { | |
204 | _cleanup_strv_free_ char **a = NULL; | |
205 | ||
90e30d76 | 206 | r = strv_split_full(&a, l, WHITESPACE, EXTRACT_UNQUOTE); |
4897d1dc ZJS |
207 | if (r < 0) |
208 | return -ENOMEM; | |
209 | ||
210 | if (strv_length(a) == 2 && streq(a[1], "InputClass")) | |
211 | in_section = true; | |
212 | ||
213 | } else if (in_section && first_word(l, "EndSection")) | |
214 | in_section = false; | |
215 | } | |
216 | ||
217 | return 0; | |
218 | } | |
219 | ||
4897d1dc | 220 | int vconsole_write_data(Context *c) { |
4897d1dc | 221 | _cleanup_strv_free_ char **l = NULL; |
df4fd2c7 YW |
222 | struct stat st; |
223 | int r; | |
4897d1dc | 224 | |
aa8fbc74 | 225 | r = load_env_file(NULL, "/etc/vconsole.conf", &l); |
4897d1dc ZJS |
226 | if (r < 0 && r != -ENOENT) |
227 | return r; | |
228 | ||
f08231fe ZJS |
229 | r = strv_env_assign(&l, "KEYMAP", empty_to_null(c->vc_keymap)); |
230 | if (r < 0) | |
231 | return r; | |
4897d1dc | 232 | |
f08231fe ZJS |
233 | r = strv_env_assign(&l, "KEYMAP_TOGGLE", empty_to_null(c->vc_keymap_toggle)); |
234 | if (r < 0) | |
235 | return r; | |
4897d1dc ZJS |
236 | |
237 | if (strv_isempty(l)) { | |
238 | if (unlink("/etc/vconsole.conf") < 0) | |
239 | return errno == ENOENT ? 0 : -errno; | |
240 | ||
df4fd2c7 | 241 | c->vc_mtime = USEC_INFINITY; |
4897d1dc ZJS |
242 | return 0; |
243 | } | |
244 | ||
df4fd2c7 YW |
245 | r = write_env_file_label("/etc/vconsole.conf", l); |
246 | if (r < 0) | |
247 | return r; | |
248 | ||
249 | if (stat("/etc/vconsole.conf", &st) >= 0) | |
250 | c->vc_mtime = timespec_load(&st.st_mtim); | |
251 | ||
252 | return 0; | |
4897d1dc ZJS |
253 | } |
254 | ||
255 | int x11_write_data(Context *c) { | |
256 | _cleanup_fclose_ FILE *f = NULL; | |
257 | _cleanup_free_ char *temp_path = NULL; | |
df4fd2c7 | 258 | struct stat st; |
4897d1dc ZJS |
259 | int r; |
260 | ||
261 | if (isempty(c->x11_layout) && | |
262 | isempty(c->x11_model) && | |
263 | isempty(c->x11_variant) && | |
264 | isempty(c->x11_options)) { | |
265 | ||
266 | if (unlink("/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) | |
267 | return errno == ENOENT ? 0 : -errno; | |
268 | ||
df4fd2c7 | 269 | c->vc_mtime = USEC_INFINITY; |
4897d1dc ZJS |
270 | return 0; |
271 | } | |
272 | ||
6e5dcce4 | 273 | (void) mkdir_p_label("/etc/X11/xorg.conf.d", 0755); |
4897d1dc ZJS |
274 | r = fopen_temporary("/etc/X11/xorg.conf.d/00-keyboard.conf", &f, &temp_path); |
275 | if (r < 0) | |
276 | return r; | |
277 | ||
0d536673 | 278 | (void) fchmod(fileno(f), 0644); |
4897d1dc | 279 | |
0d536673 LP |
280 | fputs("# Written by systemd-localed(8), read by systemd-localed and Xorg. It's\n" |
281 | "# probably wise not to edit this file manually. Use localectl(1) to\n" | |
282 | "# instruct systemd-localed to update it.\n" | |
283 | "Section \"InputClass\"\n" | |
284 | " Identifier \"system-keyboard\"\n" | |
285 | " MatchIsKeyboard \"on\"\n", f); | |
4897d1dc ZJS |
286 | |
287 | if (!isempty(c->x11_layout)) | |
288 | fprintf(f, " Option \"XkbLayout\" \"%s\"\n", c->x11_layout); | |
289 | ||
290 | if (!isempty(c->x11_model)) | |
291 | fprintf(f, " Option \"XkbModel\" \"%s\"\n", c->x11_model); | |
292 | ||
293 | if (!isempty(c->x11_variant)) | |
294 | fprintf(f, " Option \"XkbVariant\" \"%s\"\n", c->x11_variant); | |
295 | ||
296 | if (!isempty(c->x11_options)) | |
297 | fprintf(f, " Option \"XkbOptions\" \"%s\"\n", c->x11_options); | |
298 | ||
0d536673 | 299 | fputs("EndSection\n", f); |
4897d1dc | 300 | |
0675e94a | 301 | r = fflush_sync_and_check(f); |
4897d1dc ZJS |
302 | if (r < 0) |
303 | goto fail; | |
304 | ||
305 | if (rename(temp_path, "/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) { | |
306 | r = -errno; | |
307 | goto fail; | |
308 | } | |
309 | ||
df4fd2c7 YW |
310 | if (stat("/etc/X11/xorg.conf.d/00-keyboard.conf", &st) >= 0) |
311 | c->x11_mtime = timespec_load(&st.st_mtim); | |
312 | ||
4897d1dc ZJS |
313 | return 0; |
314 | ||
315 | fail: | |
4897d1dc ZJS |
316 | if (temp_path) |
317 | (void) unlink(temp_path); | |
318 | ||
319 | return r; | |
320 | } | |
321 | ||
322 | static int read_next_mapping(const char* filename, | |
323 | unsigned min_fields, unsigned max_fields, | |
324 | FILE *f, unsigned *n, char ***a) { | |
325 | assert(f); | |
326 | assert(n); | |
327 | assert(a); | |
328 | ||
329 | for (;;) { | |
1d47b569 LP |
330 | _cleanup_free_ char *line = NULL; |
331 | size_t length; | |
4897d1dc ZJS |
332 | char *l, **b; |
333 | int r; | |
4897d1dc | 334 | |
1d47b569 LP |
335 | r = read_line(f, LONG_LINE_MAX, &line); |
336 | if (r < 0) | |
337 | return r; | |
338 | if (r == 0) | |
339 | break; | |
4897d1dc ZJS |
340 | |
341 | (*n)++; | |
342 | ||
343 | l = strstrip(line); | |
4c701096 | 344 | if (IN_SET(l[0], 0, '#')) |
4897d1dc ZJS |
345 | continue; |
346 | ||
90e30d76 | 347 | r = strv_split_full(&b, l, WHITESPACE, EXTRACT_UNQUOTE); |
4897d1dc ZJS |
348 | if (r < 0) |
349 | return r; | |
350 | ||
351 | length = strv_length(b); | |
352 | if (length < min_fields || length > max_fields) { | |
353 | log_error("Invalid line %s:%u, ignoring.", filename, *n); | |
354 | strv_free(b); | |
355 | continue; | |
356 | ||
357 | } | |
358 | ||
359 | *a = b; | |
360 | return 1; | |
361 | } | |
1d47b569 LP |
362 | |
363 | return 0; | |
4897d1dc ZJS |
364 | } |
365 | ||
366 | int vconsole_convert_to_x11(Context *c) { | |
cabffaf8 | 367 | const char *map; |
6f3287b3 | 368 | int modified = -1; |
4897d1dc | 369 | |
cabffaf8 ZJS |
370 | map = systemd_kbd_model_map(); |
371 | ||
4897d1dc | 372 | if (isempty(c->vc_keymap)) { |
4897d1dc ZJS |
373 | modified = |
374 | !isempty(c->x11_layout) || | |
375 | !isempty(c->x11_model) || | |
376 | !isempty(c->x11_variant) || | |
377 | !isempty(c->x11_options); | |
378 | ||
379 | context_free_x11(c); | |
380 | } else { | |
381 | _cleanup_fclose_ FILE *f = NULL; | |
382 | unsigned n = 0; | |
383 | ||
cabffaf8 | 384 | f = fopen(map, "re"); |
4897d1dc ZJS |
385 | if (!f) |
386 | return -errno; | |
387 | ||
388 | for (;;) { | |
389 | _cleanup_strv_free_ char **a = NULL; | |
390 | int r; | |
391 | ||
cabffaf8 | 392 | r = read_next_mapping(map, 5, UINT_MAX, f, &n, &a); |
4897d1dc ZJS |
393 | if (r < 0) |
394 | return r; | |
395 | if (r == 0) | |
396 | break; | |
397 | ||
398 | if (!streq(c->vc_keymap, a[0])) | |
399 | continue; | |
400 | ||
dc90e0fa LP |
401 | if (!streq_ptr(c->x11_layout, empty_or_dash_to_null(a[1])) || |
402 | !streq_ptr(c->x11_model, empty_or_dash_to_null(a[2])) || | |
403 | !streq_ptr(c->x11_variant, empty_or_dash_to_null(a[3])) || | |
404 | !streq_ptr(c->x11_options, empty_or_dash_to_null(a[4]))) { | |
4897d1dc | 405 | |
dc90e0fa LP |
406 | if (free_and_strdup(&c->x11_layout, empty_or_dash_to_null(a[1])) < 0 || |
407 | free_and_strdup(&c->x11_model, empty_or_dash_to_null(a[2])) < 0 || | |
408 | free_and_strdup(&c->x11_variant, empty_or_dash_to_null(a[3])) < 0 || | |
409 | free_and_strdup(&c->x11_options, empty_or_dash_to_null(a[4])) < 0) | |
4897d1dc ZJS |
410 | return -ENOMEM; |
411 | ||
412 | modified = true; | |
413 | } | |
414 | ||
415 | break; | |
416 | } | |
417 | } | |
418 | ||
6f3287b3 | 419 | if (modified > 0) |
4897d1dc ZJS |
420 | log_info("Changing X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'", |
421 | strempty(c->x11_layout), | |
422 | strempty(c->x11_model), | |
423 | strempty(c->x11_variant), | |
424 | strempty(c->x11_options)); | |
6f3287b3 ZJS |
425 | else if (modified < 0) |
426 | log_notice("X11 keyboard layout was not modified: no conversion found for \"%s\".", | |
427 | c->vc_keymap); | |
4897d1dc | 428 | else |
6f3287b3 | 429 | log_debug("X11 keyboard layout did not need to be modified."); |
4897d1dc | 430 | |
6f3287b3 | 431 | return modified > 0; |
4897d1dc ZJS |
432 | } |
433 | ||
434 | int find_converted_keymap(const char *x11_layout, const char *x11_variant, char **new_keymap) { | |
c2b2df60 | 435 | _cleanup_free_ char *n = NULL; |
4897d1dc ZJS |
436 | |
437 | if (x11_variant) | |
605405c6 | 438 | n = strjoin(x11_layout, "-", x11_variant); |
4897d1dc ZJS |
439 | else |
440 | n = strdup(x11_layout); | |
441 | if (!n) | |
442 | return -ENOMEM; | |
443 | ||
444 | NULSTR_FOREACH(dir, KBD_KEYMAP_DIRS) { | |
445 | _cleanup_free_ char *p = NULL, *pz = NULL; | |
446 | bool uncompressed; | |
447 | ||
605405c6 ZJS |
448 | p = strjoin(dir, "xkb/", n, ".map"); |
449 | pz = strjoin(dir, "xkb/", n, ".map.gz"); | |
4897d1dc ZJS |
450 | if (!p || !pz) |
451 | return -ENOMEM; | |
452 | ||
453 | uncompressed = access(p, F_OK) == 0; | |
454 | if (uncompressed || access(pz, F_OK) == 0) { | |
455 | log_debug("Found converted keymap %s at %s", | |
456 | n, uncompressed ? p : pz); | |
457 | ||
ae2a15bc | 458 | *new_keymap = TAKE_PTR(n); |
4897d1dc ZJS |
459 | return 1; |
460 | } | |
461 | } | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
6a6e9c03 | 466 | int find_legacy_keymap(Context *c, char **ret) { |
cabffaf8 ZJS |
467 | const char *map; |
468 | _cleanup_fclose_ FILE *f = NULL; | |
6a6e9c03 | 469 | _cleanup_free_ char *new_keymap = NULL; |
4897d1dc ZJS |
470 | unsigned n = 0; |
471 | unsigned best_matching = 0; | |
472 | int r; | |
473 | ||
5ad327dd ZJS |
474 | assert(!isempty(c->x11_layout)); |
475 | ||
cabffaf8 ZJS |
476 | map = systemd_kbd_model_map(); |
477 | ||
478 | f = fopen(map, "re"); | |
4897d1dc ZJS |
479 | if (!f) |
480 | return -errno; | |
481 | ||
482 | for (;;) { | |
483 | _cleanup_strv_free_ char **a = NULL; | |
484 | unsigned matching = 0; | |
485 | ||
cabffaf8 | 486 | r = read_next_mapping(map, 5, UINT_MAX, f, &n, &a); |
4897d1dc ZJS |
487 | if (r < 0) |
488 | return r; | |
489 | if (r == 0) | |
490 | break; | |
491 | ||
492 | /* Determine how well matching this entry is */ | |
5ad327dd | 493 | if (streq(c->x11_layout, a[1])) |
4897d1dc ZJS |
494 | /* If we got an exact match, this is best */ |
495 | matching = 10; | |
496 | else { | |
497 | /* We have multiple X layouts, look for an | |
498 | * entry that matches our key with everything | |
499 | * but the first layout stripped off. */ | |
500 | if (startswith_comma(c->x11_layout, a[1])) | |
501 | matching = 5; | |
502 | else { | |
6d946490 | 503 | _cleanup_free_ char *x = NULL; |
4897d1dc ZJS |
504 | |
505 | /* If that didn't work, strip off the | |
506 | * other layouts from the entry, too */ | |
6d946490 | 507 | x = strndup(a[1], strcspn(a[1], ",")); |
4897d1dc ZJS |
508 | if (startswith_comma(c->x11_layout, x)) |
509 | matching = 1; | |
510 | } | |
511 | } | |
512 | ||
513 | if (matching > 0) { | |
514 | if (isempty(c->x11_model) || streq_ptr(c->x11_model, a[2])) { | |
515 | matching++; | |
516 | ||
517 | if (streq_ptr(c->x11_variant, a[3])) { | |
518 | matching++; | |
519 | ||
520 | if (streq_ptr(c->x11_options, a[4])) | |
521 | matching++; | |
522 | } | |
523 | } | |
524 | } | |
525 | ||
526 | /* The best matching entry so far, then let's save that */ | |
527 | if (matching >= MAX(best_matching, 1u)) { | |
528 | log_debug("Found legacy keymap %s with score %u", | |
529 | a[0], matching); | |
530 | ||
531 | if (matching > best_matching) { | |
532 | best_matching = matching; | |
533 | ||
6a6e9c03 | 534 | r = free_and_strdup(&new_keymap, a[0]); |
4897d1dc ZJS |
535 | if (r < 0) |
536 | return r; | |
537 | } | |
538 | } | |
539 | } | |
540 | ||
541 | if (best_matching < 10 && c->x11_layout) { | |
542 | /* The best match is only the first part of the X11 | |
543 | * keymap. Check if we have a converted map which | |
544 | * matches just the first layout. | |
545 | */ | |
546 | char *l, *v = NULL, *converted; | |
547 | ||
2f82562b | 548 | l = strndupa_safe(c->x11_layout, strcspn(c->x11_layout, ",")); |
4897d1dc | 549 | if (c->x11_variant) |
2f82562b LP |
550 | v = strndupa_safe(c->x11_variant, |
551 | strcspn(c->x11_variant, ",")); | |
4897d1dc ZJS |
552 | r = find_converted_keymap(l, v, &converted); |
553 | if (r < 0) | |
554 | return r; | |
6a6e9c03 ZJS |
555 | if (r > 0) |
556 | free_and_replace(new_keymap, converted); | |
4897d1dc ZJS |
557 | } |
558 | ||
6a6e9c03 ZJS |
559 | *ret = TAKE_PTR(new_keymap); |
560 | return (bool) *ret; | |
4897d1dc ZJS |
561 | } |
562 | ||
563 | int find_language_fallback(const char *lang, char **language) { | |
cabffaf8 | 564 | const char *map; |
4897d1dc ZJS |
565 | _cleanup_fclose_ FILE *f = NULL; |
566 | unsigned n = 0; | |
567 | ||
aa63b56f | 568 | assert(lang); |
4897d1dc ZJS |
569 | assert(language); |
570 | ||
cabffaf8 ZJS |
571 | map = systemd_language_fallback_map(); |
572 | ||
573 | f = fopen(map, "re"); | |
4897d1dc ZJS |
574 | if (!f) |
575 | return -errno; | |
576 | ||
577 | for (;;) { | |
578 | _cleanup_strv_free_ char **a = NULL; | |
579 | int r; | |
580 | ||
cabffaf8 | 581 | r = read_next_mapping(map, 2, 2, f, &n, &a); |
4897d1dc ZJS |
582 | if (r <= 0) |
583 | return r; | |
584 | ||
585 | if (streq(lang, a[0])) { | |
586 | assert(strv_length(a) == 2); | |
1cc6c93a | 587 | *language = TAKE_PTR(a[1]); |
4897d1dc ZJS |
588 | return 1; |
589 | } | |
590 | } | |
591 | ||
04499a70 | 592 | assert_not_reached(); |
4897d1dc ZJS |
593 | } |
594 | ||
595 | int x11_convert_to_vconsole(Context *c) { | |
596 | bool modified = false; | |
597 | ||
598 | if (isempty(c->x11_layout)) { | |
4897d1dc ZJS |
599 | modified = |
600 | !isempty(c->vc_keymap) || | |
601 | !isempty(c->vc_keymap_toggle); | |
602 | ||
aa63b56f | 603 | context_free_vconsole(c); |
4897d1dc | 604 | } else { |
6a837b03 | 605 | _cleanup_free_ char *new_keymap = NULL; |
4897d1dc ZJS |
606 | int r; |
607 | ||
608 | r = find_converted_keymap(c->x11_layout, c->x11_variant, &new_keymap); | |
609 | if (r < 0) | |
610 | return r; | |
611 | else if (r == 0) { | |
612 | r = find_legacy_keymap(c, &new_keymap); | |
613 | if (r < 0) | |
614 | return r; | |
615 | } | |
5ad327dd ZJS |
616 | if (r == 0) |
617 | /* We search for layout-variant match first, but then we also look | |
618 | * for anything which matches just the layout. So it's accurate to say | |
619 | * that we couldn't find anything which matches the layout. */ | |
620 | log_notice("No conversion to virtual console map found for \"%s\".", | |
621 | c->x11_layout); | |
4897d1dc ZJS |
622 | |
623 | if (!streq_ptr(c->vc_keymap, new_keymap)) { | |
6a837b03 | 624 | free_and_replace(c->vc_keymap, new_keymap); |
4897d1dc ZJS |
625 | c->vc_keymap_toggle = mfree(c->vc_keymap_toggle); |
626 | modified = true; | |
6a837b03 | 627 | } |
4897d1dc ZJS |
628 | } |
629 | ||
630 | if (modified) | |
631 | log_info("Changing virtual console keymap to '%s' toggle '%s'", | |
632 | strempty(c->vc_keymap), strempty(c->vc_keymap_toggle)); | |
633 | else | |
634 | log_debug("Virtual console keymap was not modified."); | |
635 | ||
636 | return modified; | |
637 | } | |
8f20232f MK |
638 | |
639 | bool locale_gen_check_available(void) { | |
640 | #if HAVE_LOCALEGEN | |
641 | if (access(LOCALEGEN_PATH, X_OK) < 0) { | |
642 | if (errno != ENOENT) | |
643 | log_warning_errno(errno, "Unable to determine whether " LOCALEGEN_PATH " exists and is executable, assuming it is not: %m"); | |
644 | return false; | |
645 | } | |
646 | if (access("/etc/locale.gen", F_OK) < 0) { | |
647 | if (errno != ENOENT) | |
648 | log_warning_errno(errno, "Unable to determine whether /etc/locale.gen exists, assuming it does not: %m"); | |
649 | return false; | |
650 | } | |
651 | return true; | |
652 | #else | |
653 | return false; | |
654 | #endif | |
655 | } | |
656 | ||
657 | #if HAVE_LOCALEGEN | |
658 | static bool locale_encoding_is_utf8_or_unspecified(const char *locale) { | |
659 | const char *c = strchr(locale, '.'); | |
660 | return !c || strcaseeq(c, ".UTF-8") || strcasestr(locale, ".UTF-8@"); | |
661 | } | |
662 | ||
663 | static int locale_gen_locale_supported(const char *locale_entry) { | |
664 | /* Returns an error valus <= 0 if the locale-gen entry is invalid or unsupported, | |
665 | * 1 in case the locale entry is valid, and -EOPNOTSUPP specifically in case | |
666 | * the distributor has not provided us with a SUPPORTED file to check | |
667 | * locale for validity. */ | |
668 | ||
669 | _cleanup_fclose_ FILE *f = NULL; | |
670 | int r; | |
671 | ||
672 | assert(locale_entry); | |
673 | ||
674 | /* Locale templates without country code are never supported */ | |
675 | if (!strstr(locale_entry, "_")) | |
676 | return -EINVAL; | |
677 | ||
678 | f = fopen("/usr/share/i18n/SUPPORTED", "re"); | |
679 | if (!f) { | |
680 | if (errno == ENOENT) | |
681 | return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
682 | "Unable to check validity of locale entry %s: /usr/share/i18n/SUPPORTED does not exist", | |
683 | locale_entry); | |
684 | return -errno; | |
685 | } | |
686 | ||
687 | for (;;) { | |
688 | _cleanup_free_ char *line = NULL; | |
689 | ||
690 | r = read_line(f, LONG_LINE_MAX, &line); | |
691 | if (r < 0) | |
692 | return log_debug_errno(r, "Failed to read /usr/share/i18n/SUPPORTED: %m"); | |
693 | if (r == 0) | |
694 | return 0; | |
695 | ||
696 | line = strstrip(line); | |
697 | if (strcaseeq_ptr(line, locale_entry)) | |
698 | return 1; | |
699 | } | |
700 | } | |
701 | #endif | |
702 | ||
703 | int locale_gen_enable_locale(const char *locale) { | |
704 | #if HAVE_LOCALEGEN | |
705 | _cleanup_fclose_ FILE *fr = NULL, *fw = NULL; | |
706 | _cleanup_(unlink_and_freep) char *temp_path = NULL; | |
707 | _cleanup_free_ char *locale_entry = NULL; | |
708 | bool locale_enabled = false, first_line = false; | |
709 | bool write_new = false; | |
710 | int r; | |
711 | ||
712 | if (isempty(locale)) | |
713 | return 0; | |
714 | ||
715 | if (locale_encoding_is_utf8_or_unspecified(locale)) { | |
716 | locale_entry = strjoin(locale, " UTF-8"); | |
717 | if (!locale_entry) | |
718 | return -ENOMEM; | |
719 | } else | |
720 | return -ENOEXEC; /* We do not process non-UTF-8 locale */ | |
721 | ||
722 | r = locale_gen_locale_supported(locale_entry); | |
723 | if (r == 0) | |
724 | return -EINVAL; | |
725 | if (r < 0 && r != -EOPNOTSUPP) | |
726 | return r; | |
727 | ||
728 | fr = fopen("/etc/locale.gen", "re"); | |
729 | if (!fr) { | |
730 | if (errno != ENOENT) | |
731 | return -errno; | |
732 | write_new = true; | |
733 | } | |
734 | ||
735 | r = fopen_temporary("/etc/locale.gen", &fw, &temp_path); | |
736 | if (r < 0) | |
737 | return r; | |
738 | ||
739 | if (write_new) | |
740 | (void) fchmod(fileno(fw), 0644); | |
741 | else { | |
742 | /* apply mode & xattrs of the original file to new file */ | |
743 | r = copy_access(fileno(fr), fileno(fw)); | |
744 | if (r < 0) | |
745 | return r; | |
23e026de | 746 | r = copy_xattr(fileno(fr), fileno(fw), COPY_ALL_XATTRS); |
8f20232f | 747 | if (r < 0) |
d3efe294 | 748 | log_debug_errno(r, "Failed to copy all xattrs from old to new /etc/locale.gen file, ignoring: %m"); |
8f20232f MK |
749 | } |
750 | ||
751 | if (!write_new) { | |
752 | /* The config file ends with a line break, which we do not want to include before potentially appending a new locale | |
753 | * instead of uncommenting an existing line. By prepending linebreaks, we can avoid buffering this file but can still write | |
754 | * a nice config file without empty lines */ | |
755 | first_line = true; | |
756 | for (;;) { | |
757 | _cleanup_free_ char *line = NULL; | |
758 | char *line_locale; | |
759 | ||
760 | r = read_line(fr, LONG_LINE_MAX, &line); | |
761 | if (r < 0) | |
762 | return r; | |
763 | if (r == 0) | |
764 | break; | |
765 | ||
766 | if (locale_enabled) { | |
767 | /* Just complete writing the file if the new locale was already enabled */ | |
768 | if (!first_line) | |
769 | fputc('\n', fw); | |
770 | fputs(line, fw); | |
771 | first_line = false; | |
772 | continue; | |
773 | } | |
774 | ||
775 | line = strstrip(line); | |
776 | if (isempty(line)) { | |
777 | fputc('\n', fw); | |
778 | first_line = false; | |
779 | continue; | |
780 | } | |
781 | ||
782 | line_locale = line; | |
783 | if (line_locale[0] == '#') | |
784 | line_locale = strstrip(line_locale + 1); | |
785 | else if (strcaseeq_ptr(line_locale, locale_entry)) | |
786 | return 0; /* the file already had our locale activated, so skip updating it */ | |
787 | ||
788 | if (strcaseeq_ptr(line_locale, locale_entry)) { | |
789 | /* Uncomment existing line for new locale */ | |
790 | if (!first_line) | |
791 | fputc('\n', fw); | |
792 | fputs(locale_entry, fw); | |
793 | locale_enabled = true; | |
794 | first_line = false; | |
795 | continue; | |
796 | } | |
797 | ||
798 | /* The line was not for the locale we want to enable, just copy it */ | |
799 | if (!first_line) | |
800 | fputc('\n', fw); | |
801 | fputs(line, fw); | |
802 | first_line = false; | |
803 | } | |
804 | } | |
805 | ||
806 | /* Add locale to enable to the end of the file if it was not found as commented line */ | |
807 | if (!locale_enabled) { | |
808 | if (!write_new) | |
809 | fputc('\n', fw); | |
810 | fputs(locale_entry, fw); | |
811 | } | |
812 | fputc('\n', fw); | |
813 | ||
814 | r = fflush_sync_and_check(fw); | |
815 | if (r < 0) | |
816 | return r; | |
817 | ||
818 | if (rename(temp_path, "/etc/locale.gen") < 0) | |
819 | return -errno; | |
820 | temp_path = mfree(temp_path); | |
821 | ||
822 | return 0; | |
823 | #else | |
824 | return -EOPNOTSUPP; | |
825 | #endif | |
826 | } | |
827 | ||
828 | int locale_gen_run(void) { | |
829 | #if HAVE_LOCALEGEN | |
830 | pid_t pid; | |
831 | int r; | |
832 | ||
833 | r = safe_fork("(sd-localegen)", FORK_RESET_SIGNALS|FORK_RLIMIT_NOFILE_SAFE|FORK_CLOSE_ALL_FDS|FORK_LOG|FORK_WAIT, &pid); | |
834 | if (r < 0) | |
835 | return r; | |
836 | if (r == 0) { | |
837 | execl(LOCALEGEN_PATH, LOCALEGEN_PATH, NULL); | |
838 | _exit(EXIT_FAILURE); | |
839 | } | |
840 | ||
841 | return 0; | |
842 | #else | |
843 | return -EOPNOTSUPP; | |
844 | #endif | |
845 | } |