]>
Commit | Line | Data |
---|---|---|
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" |
4897d1dc ZJS |
18 | #include "keymap-util.h" |
19 | #include "locale-util.h" | |
20 | #include "macro.h" | |
21 | #include "mkdir.h" | |
d8b4d14d | 22 | #include "nulstr-util.h" |
8f20232f | 23 | #include "process-util.h" |
4897d1dc ZJS |
24 | #include "string-util.h" |
25 | #include "strv.h" | |
e4de7287 | 26 | #include "tmpfile-util.h" |
4897d1dc ZJS |
27 | |
28 | static bool startswith_comma(const char *s, const char *prefix) { | |
5ad327dd ZJS |
29 | s = startswith(s, prefix); |
30 | if (!s) | |
31 | return false; | |
4897d1dc | 32 | |
4c701096 | 33 | return IN_SET(*s, ',', '\0'); |
4897d1dc ZJS |
34 | } |
35 | ||
cabffaf8 ZJS |
36 | static const char* systemd_kbd_model_map(void) { |
37 | const char* s; | |
38 | ||
39 | s = getenv("SYSTEMD_KBD_MODEL_MAP"); | |
40 | if (s) | |
41 | return s; | |
42 | ||
43 | return SYSTEMD_KBD_MODEL_MAP; | |
44 | } | |
45 | ||
46 | static const char* systemd_language_fallback_map(void) { | |
47 | const char* s; | |
48 | ||
49 | s = getenv("SYSTEMD_LANGUAGE_FALLBACK_MAP"); | |
50 | if (s) | |
51 | return s; | |
52 | ||
53 | return SYSTEMD_LANGUAGE_FALLBACK_MAP; | |
54 | } | |
55 | ||
4897d1dc ZJS |
56 | static void context_free_x11(Context *c) { |
57 | c->x11_layout = mfree(c->x11_layout); | |
58 | c->x11_options = mfree(c->x11_options); | |
59 | c->x11_model = mfree(c->x11_model); | |
60 | c->x11_variant = mfree(c->x11_variant); | |
61 | } | |
62 | ||
63 | static void context_free_vconsole(Context *c) { | |
64 | c->vc_keymap = mfree(c->vc_keymap); | |
65 | c->vc_keymap_toggle = mfree(c->vc_keymap_toggle); | |
66 | } | |
67 | ||
68 | static void context_free_locale(Context *c) { | |
ab4ab13c | 69 | for (LocaleVariable p = 0; p < _VARIABLE_LC_MAX; p++) |
4897d1dc ZJS |
70 | c->locale[p] = mfree(c->locale[p]); |
71 | } | |
72 | ||
6804d7a8 | 73 | void context_clear(Context *c) { |
4897d1dc ZJS |
74 | context_free_locale(c); |
75 | context_free_x11(c); | |
76 | context_free_vconsole(c); | |
65d34266 YW |
77 | |
78 | sd_bus_message_unref(c->locale_cache); | |
79 | sd_bus_message_unref(c->x11_cache); | |
80 | sd_bus_message_unref(c->vc_cache); | |
af7865c1 YW |
81 | |
82 | bus_verify_polkit_async_registry_free(c->polkit_registry); | |
4897d1dc ZJS |
83 | }; |
84 | ||
df4fd2c7 | 85 | void locale_simplify(char *locale[_VARIABLE_LC_MAX]) { |
ab4ab13c | 86 | for (LocaleVariable p = VARIABLE_LANG+1; p < _VARIABLE_LC_MAX; p++) |
df4fd2c7 YW |
87 | if (isempty(locale[p]) || streq_ptr(locale[VARIABLE_LANG], locale[p])) |
88 | locale[p] = mfree(locale[p]); | |
4897d1dc ZJS |
89 | } |
90 | ||
df4fd2c7 YW |
91 | int locale_read_data(Context *c, sd_bus_message *m) { |
92 | struct stat st; | |
4897d1dc ZJS |
93 | int r; |
94 | ||
df4fd2c7 | 95 | /* Do not try to re-read the file within single bus operation. */ |
65d34266 YW |
96 | if (m) { |
97 | if (m == c->locale_cache) | |
98 | return 0; | |
4897d1dc | 99 | |
65d34266 YW |
100 | sd_bus_message_unref(c->locale_cache); |
101 | c->locale_cache = sd_bus_message_ref(m); | |
102 | } | |
df4fd2c7 YW |
103 | |
104 | r = stat("/etc/locale.conf", &st); | |
105 | if (r < 0 && errno != ENOENT) | |
106 | return -errno; | |
107 | ||
108 | if (r >= 0) { | |
109 | usec_t t; | |
110 | ||
111 | /* If mtime is not changed, then we do not need to re-read the file. */ | |
112 | t = timespec_load(&st.st_mtim); | |
113 | if (c->locale_mtime != USEC_INFINITY && t == c->locale_mtime) | |
114 | return 0; | |
4897d1dc | 115 | |
df4fd2c7 YW |
116 | c->locale_mtime = t; |
117 | context_free_locale(c); | |
118 | ||
aa8fbc74 | 119 | r = parse_env_file(NULL, "/etc/locale.conf", |
df4fd2c7 YW |
120 | "LANG", &c->locale[VARIABLE_LANG], |
121 | "LANGUAGE", &c->locale[VARIABLE_LANGUAGE], | |
122 | "LC_CTYPE", &c->locale[VARIABLE_LC_CTYPE], | |
123 | "LC_NUMERIC", &c->locale[VARIABLE_LC_NUMERIC], | |
124 | "LC_TIME", &c->locale[VARIABLE_LC_TIME], | |
125 | "LC_COLLATE", &c->locale[VARIABLE_LC_COLLATE], | |
126 | "LC_MONETARY", &c->locale[VARIABLE_LC_MONETARY], | |
127 | "LC_MESSAGES", &c->locale[VARIABLE_LC_MESSAGES], | |
128 | "LC_PAPER", &c->locale[VARIABLE_LC_PAPER], | |
129 | "LC_NAME", &c->locale[VARIABLE_LC_NAME], | |
130 | "LC_ADDRESS", &c->locale[VARIABLE_LC_ADDRESS], | |
131 | "LC_TELEPHONE", &c->locale[VARIABLE_LC_TELEPHONE], | |
132 | "LC_MEASUREMENT", &c->locale[VARIABLE_LC_MEASUREMENT], | |
13df9c39 | 133 | "LC_IDENTIFICATION", &c->locale[VARIABLE_LC_IDENTIFICATION]); |
df4fd2c7 YW |
134 | if (r < 0) |
135 | return r; | |
136 | } else { | |
df4fd2c7 YW |
137 | c->locale_mtime = USEC_INFINITY; |
138 | context_free_locale(c); | |
139 | ||
4897d1dc | 140 | /* Fill in what we got passed from systemd. */ |
ab4ab13c | 141 | for (LocaleVariable p = 0; p < _VARIABLE_LC_MAX; p++) { |
4897d1dc ZJS |
142 | const char *name; |
143 | ||
144 | name = locale_variable_to_string(p); | |
145 | assert(name); | |
146 | ||
147 | r = free_and_strdup(&c->locale[p], empty_to_null(getenv(name))); | |
148 | if (r < 0) | |
149 | return r; | |
150 | } | |
4897d1dc ZJS |
151 | } |
152 | ||
df4fd2c7 YW |
153 | locale_simplify(c->locale); |
154 | return 0; | |
4897d1dc ZJS |
155 | } |
156 | ||
df4fd2c7 YW |
157 | int vconsole_read_data(Context *c, sd_bus_message *m) { |
158 | struct stat st; | |
159 | usec_t t; | |
4897d1dc ZJS |
160 | int r; |
161 | ||
df4fd2c7 | 162 | /* Do not try to re-read the file within single bus operation. */ |
65d34266 YW |
163 | if (m) { |
164 | if (m == c->vc_cache) | |
165 | return 0; | |
df4fd2c7 | 166 | |
65d34266 YW |
167 | sd_bus_message_unref(c->vc_cache); |
168 | c->vc_cache = sd_bus_message_ref(m); | |
169 | } | |
df4fd2c7 YW |
170 | |
171 | if (stat("/etc/vconsole.conf", &st) < 0) { | |
172 | if (errno != ENOENT) | |
173 | return -errno; | |
174 | ||
175 | c->vc_mtime = USEC_INFINITY; | |
176 | context_free_vconsole(c); | |
177 | return 0; | |
178 | } | |
179 | ||
180 | /* If mtime is not changed, then we do not need to re-read */ | |
181 | t = timespec_load(&st.st_mtim); | |
182 | if (c->vc_mtime != USEC_INFINITY && t == c->vc_mtime) | |
183 | return 0; | |
184 | ||
185 | c->vc_mtime = t; | |
4897d1dc ZJS |
186 | context_free_vconsole(c); |
187 | ||
aa8fbc74 | 188 | r = parse_env_file(NULL, "/etc/vconsole.conf", |
4897d1dc | 189 | "KEYMAP", &c->vc_keymap, |
13df9c39 | 190 | "KEYMAP_TOGGLE", &c->vc_keymap_toggle); |
df4fd2c7 | 191 | if (r < 0) |
4897d1dc ZJS |
192 | return r; |
193 | ||
194 | return 0; | |
195 | } | |
196 | ||
df4fd2c7 YW |
197 | int x11_read_data(Context *c, sd_bus_message *m) { |
198 | _cleanup_fclose_ FILE *f = NULL; | |
4897d1dc | 199 | bool in_section = false; |
df4fd2c7 YW |
200 | struct stat st; |
201 | usec_t t; | |
4897d1dc ZJS |
202 | int r; |
203 | ||
df4fd2c7 | 204 | /* Do not try to re-read the file within single bus operation. */ |
65d34266 YW |
205 | if (m) { |
206 | if (m == c->x11_cache) | |
207 | return 0; | |
df4fd2c7 | 208 | |
65d34266 YW |
209 | sd_bus_message_unref(c->x11_cache); |
210 | c->x11_cache = sd_bus_message_ref(m); | |
211 | } | |
df4fd2c7 YW |
212 | |
213 | if (stat("/etc/X11/xorg.conf.d/00-keyboard.conf", &st) < 0) { | |
214 | if (errno != ENOENT) | |
215 | return -errno; | |
216 | ||
217 | c->x11_mtime = USEC_INFINITY; | |
218 | context_free_x11(c); | |
219 | return 0; | |
220 | } | |
221 | ||
222 | /* If mtime is not changed, then we do not need to re-read */ | |
223 | t = timespec_load(&st.st_mtim); | |
224 | if (c->x11_mtime != USEC_INFINITY && t == c->x11_mtime) | |
225 | return 0; | |
226 | ||
227 | c->x11_mtime = t; | |
4897d1dc ZJS |
228 | context_free_x11(c); |
229 | ||
230 | f = fopen("/etc/X11/xorg.conf.d/00-keyboard.conf", "re"); | |
231 | if (!f) | |
df4fd2c7 | 232 | return -errno; |
4897d1dc | 233 | |
1d47b569 LP |
234 | for (;;) { |
235 | _cleanup_free_ char *line = NULL; | |
4897d1dc ZJS |
236 | char *l; |
237 | ||
1d47b569 LP |
238 | r = read_line(f, LONG_LINE_MAX, &line); |
239 | if (r < 0) | |
240 | return r; | |
241 | if (r == 0) | |
242 | break; | |
4897d1dc | 243 | |
1d47b569 | 244 | l = strstrip(line); |
4c701096 | 245 | if (IN_SET(l[0], 0, '#')) |
4897d1dc ZJS |
246 | continue; |
247 | ||
248 | if (in_section && first_word(l, "Option")) { | |
249 | _cleanup_strv_free_ char **a = NULL; | |
250 | ||
90e30d76 | 251 | r = strv_split_full(&a, l, WHITESPACE, EXTRACT_UNQUOTE); |
4897d1dc ZJS |
252 | if (r < 0) |
253 | return r; | |
254 | ||
255 | if (strv_length(a) == 3) { | |
256 | char **p = NULL; | |
257 | ||
258 | if (streq(a[1], "XkbLayout")) | |
259 | p = &c->x11_layout; | |
260 | else if (streq(a[1], "XkbModel")) | |
261 | p = &c->x11_model; | |
262 | else if (streq(a[1], "XkbVariant")) | |
263 | p = &c->x11_variant; | |
264 | else if (streq(a[1], "XkbOptions")) | |
265 | p = &c->x11_options; | |
266 | ||
38cd55b0 | 267 | if (p) |
f9ecfd3b | 268 | free_and_replace(*p, a[2]); |
4897d1dc ZJS |
269 | } |
270 | ||
271 | } else if (!in_section && first_word(l, "Section")) { | |
272 | _cleanup_strv_free_ char **a = NULL; | |
273 | ||
90e30d76 | 274 | r = strv_split_full(&a, l, WHITESPACE, EXTRACT_UNQUOTE); |
4897d1dc ZJS |
275 | if (r < 0) |
276 | return -ENOMEM; | |
277 | ||
278 | if (strv_length(a) == 2 && streq(a[1], "InputClass")) | |
279 | in_section = true; | |
280 | ||
281 | } else if (in_section && first_word(l, "EndSection")) | |
282 | in_section = false; | |
283 | } | |
284 | ||
285 | return 0; | |
286 | } | |
287 | ||
4897d1dc | 288 | int locale_write_data(Context *c, char ***settings) { |
4897d1dc | 289 | _cleanup_strv_free_ char **l = NULL; |
df4fd2c7 | 290 | struct stat st; |
ab4ab13c | 291 | int r; |
4897d1dc ZJS |
292 | |
293 | /* Set values will be returned as strv in *settings on success. */ | |
294 | ||
f08231fe ZJS |
295 | for (LocaleVariable p = 0; p < _VARIABLE_LC_MAX; p++) |
296 | if (!isempty(c->locale[p])) { | |
297 | r = strv_env_assign(&l, locale_variable_to_string(p), c->locale[p]); | |
298 | if (r < 0) | |
299 | return r; | |
300 | } | |
4897d1dc ZJS |
301 | |
302 | if (strv_isempty(l)) { | |
303 | if (unlink("/etc/locale.conf") < 0) | |
304 | return errno == ENOENT ? 0 : -errno; | |
305 | ||
df4fd2c7 | 306 | c->locale_mtime = USEC_INFINITY; |
4897d1dc ZJS |
307 | return 0; |
308 | } | |
309 | ||
310 | r = write_env_file_label("/etc/locale.conf", l); | |
311 | if (r < 0) | |
312 | return r; | |
313 | ||
ae2a15bc | 314 | *settings = TAKE_PTR(l); |
df4fd2c7 YW |
315 | |
316 | if (stat("/etc/locale.conf", &st) >= 0) | |
317 | c->locale_mtime = timespec_load(&st.st_mtim); | |
318 | ||
4897d1dc ZJS |
319 | return 0; |
320 | } | |
321 | ||
322 | int vconsole_write_data(Context *c) { | |
4897d1dc | 323 | _cleanup_strv_free_ char **l = NULL; |
df4fd2c7 YW |
324 | struct stat st; |
325 | int r; | |
4897d1dc | 326 | |
aa8fbc74 | 327 | r = load_env_file(NULL, "/etc/vconsole.conf", &l); |
4897d1dc ZJS |
328 | if (r < 0 && r != -ENOENT) |
329 | return r; | |
330 | ||
f08231fe ZJS |
331 | r = strv_env_assign(&l, "KEYMAP", empty_to_null(c->vc_keymap)); |
332 | if (r < 0) | |
333 | return r; | |
4897d1dc | 334 | |
f08231fe ZJS |
335 | r = strv_env_assign(&l, "KEYMAP_TOGGLE", empty_to_null(c->vc_keymap_toggle)); |
336 | if (r < 0) | |
337 | return r; | |
4897d1dc ZJS |
338 | |
339 | if (strv_isempty(l)) { | |
340 | if (unlink("/etc/vconsole.conf") < 0) | |
341 | return errno == ENOENT ? 0 : -errno; | |
342 | ||
df4fd2c7 | 343 | c->vc_mtime = USEC_INFINITY; |
4897d1dc ZJS |
344 | return 0; |
345 | } | |
346 | ||
df4fd2c7 YW |
347 | r = write_env_file_label("/etc/vconsole.conf", l); |
348 | if (r < 0) | |
349 | return r; | |
350 | ||
351 | if (stat("/etc/vconsole.conf", &st) >= 0) | |
352 | c->vc_mtime = timespec_load(&st.st_mtim); | |
353 | ||
354 | return 0; | |
4897d1dc ZJS |
355 | } |
356 | ||
357 | int x11_write_data(Context *c) { | |
358 | _cleanup_fclose_ FILE *f = NULL; | |
359 | _cleanup_free_ char *temp_path = NULL; | |
df4fd2c7 | 360 | struct stat st; |
4897d1dc ZJS |
361 | int r; |
362 | ||
363 | if (isempty(c->x11_layout) && | |
364 | isempty(c->x11_model) && | |
365 | isempty(c->x11_variant) && | |
366 | isempty(c->x11_options)) { | |
367 | ||
368 | if (unlink("/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) | |
369 | return errno == ENOENT ? 0 : -errno; | |
370 | ||
df4fd2c7 | 371 | c->vc_mtime = USEC_INFINITY; |
4897d1dc ZJS |
372 | return 0; |
373 | } | |
374 | ||
6e5dcce4 | 375 | (void) mkdir_p_label("/etc/X11/xorg.conf.d", 0755); |
4897d1dc ZJS |
376 | r = fopen_temporary("/etc/X11/xorg.conf.d/00-keyboard.conf", &f, &temp_path); |
377 | if (r < 0) | |
378 | return r; | |
379 | ||
0d536673 | 380 | (void) fchmod(fileno(f), 0644); |
4897d1dc | 381 | |
0d536673 LP |
382 | fputs("# Written by systemd-localed(8), read by systemd-localed and Xorg. It's\n" |
383 | "# probably wise not to edit this file manually. Use localectl(1) to\n" | |
384 | "# instruct systemd-localed to update it.\n" | |
385 | "Section \"InputClass\"\n" | |
386 | " Identifier \"system-keyboard\"\n" | |
387 | " MatchIsKeyboard \"on\"\n", f); | |
4897d1dc ZJS |
388 | |
389 | if (!isempty(c->x11_layout)) | |
390 | fprintf(f, " Option \"XkbLayout\" \"%s\"\n", c->x11_layout); | |
391 | ||
392 | if (!isempty(c->x11_model)) | |
393 | fprintf(f, " Option \"XkbModel\" \"%s\"\n", c->x11_model); | |
394 | ||
395 | if (!isempty(c->x11_variant)) | |
396 | fprintf(f, " Option \"XkbVariant\" \"%s\"\n", c->x11_variant); | |
397 | ||
398 | if (!isempty(c->x11_options)) | |
399 | fprintf(f, " Option \"XkbOptions\" \"%s\"\n", c->x11_options); | |
400 | ||
0d536673 | 401 | fputs("EndSection\n", f); |
4897d1dc | 402 | |
0675e94a | 403 | r = fflush_sync_and_check(f); |
4897d1dc ZJS |
404 | if (r < 0) |
405 | goto fail; | |
406 | ||
407 | if (rename(temp_path, "/etc/X11/xorg.conf.d/00-keyboard.conf") < 0) { | |
408 | r = -errno; | |
409 | goto fail; | |
410 | } | |
411 | ||
df4fd2c7 YW |
412 | if (stat("/etc/X11/xorg.conf.d/00-keyboard.conf", &st) >= 0) |
413 | c->x11_mtime = timespec_load(&st.st_mtim); | |
414 | ||
4897d1dc ZJS |
415 | return 0; |
416 | ||
417 | fail: | |
4897d1dc ZJS |
418 | if (temp_path) |
419 | (void) unlink(temp_path); | |
420 | ||
421 | return r; | |
422 | } | |
423 | ||
424 | static int read_next_mapping(const char* filename, | |
425 | unsigned min_fields, unsigned max_fields, | |
426 | FILE *f, unsigned *n, char ***a) { | |
427 | assert(f); | |
428 | assert(n); | |
429 | assert(a); | |
430 | ||
431 | for (;;) { | |
1d47b569 LP |
432 | _cleanup_free_ char *line = NULL; |
433 | size_t length; | |
4897d1dc ZJS |
434 | char *l, **b; |
435 | int r; | |
4897d1dc | 436 | |
1d47b569 LP |
437 | r = read_line(f, LONG_LINE_MAX, &line); |
438 | if (r < 0) | |
439 | return r; | |
440 | if (r == 0) | |
441 | break; | |
4897d1dc ZJS |
442 | |
443 | (*n)++; | |
444 | ||
445 | l = strstrip(line); | |
4c701096 | 446 | if (IN_SET(l[0], 0, '#')) |
4897d1dc ZJS |
447 | continue; |
448 | ||
90e30d76 | 449 | r = strv_split_full(&b, l, WHITESPACE, EXTRACT_UNQUOTE); |
4897d1dc ZJS |
450 | if (r < 0) |
451 | return r; | |
452 | ||
453 | length = strv_length(b); | |
454 | if (length < min_fields || length > max_fields) { | |
455 | log_error("Invalid line %s:%u, ignoring.", filename, *n); | |
456 | strv_free(b); | |
457 | continue; | |
458 | ||
459 | } | |
460 | ||
461 | *a = b; | |
462 | return 1; | |
463 | } | |
1d47b569 LP |
464 | |
465 | return 0; | |
4897d1dc ZJS |
466 | } |
467 | ||
468 | int vconsole_convert_to_x11(Context *c) { | |
cabffaf8 | 469 | const char *map; |
6f3287b3 | 470 | int modified = -1; |
4897d1dc | 471 | |
cabffaf8 ZJS |
472 | map = systemd_kbd_model_map(); |
473 | ||
4897d1dc | 474 | if (isempty(c->vc_keymap)) { |
4897d1dc ZJS |
475 | modified = |
476 | !isempty(c->x11_layout) || | |
477 | !isempty(c->x11_model) || | |
478 | !isempty(c->x11_variant) || | |
479 | !isempty(c->x11_options); | |
480 | ||
481 | context_free_x11(c); | |
482 | } else { | |
483 | _cleanup_fclose_ FILE *f = NULL; | |
484 | unsigned n = 0; | |
485 | ||
cabffaf8 | 486 | f = fopen(map, "re"); |
4897d1dc ZJS |
487 | if (!f) |
488 | return -errno; | |
489 | ||
490 | for (;;) { | |
491 | _cleanup_strv_free_ char **a = NULL; | |
492 | int r; | |
493 | ||
cabffaf8 | 494 | r = read_next_mapping(map, 5, UINT_MAX, f, &n, &a); |
4897d1dc ZJS |
495 | if (r < 0) |
496 | return r; | |
497 | if (r == 0) | |
498 | break; | |
499 | ||
500 | if (!streq(c->vc_keymap, a[0])) | |
501 | continue; | |
502 | ||
dc90e0fa LP |
503 | if (!streq_ptr(c->x11_layout, empty_or_dash_to_null(a[1])) || |
504 | !streq_ptr(c->x11_model, empty_or_dash_to_null(a[2])) || | |
505 | !streq_ptr(c->x11_variant, empty_or_dash_to_null(a[3])) || | |
506 | !streq_ptr(c->x11_options, empty_or_dash_to_null(a[4]))) { | |
4897d1dc | 507 | |
dc90e0fa LP |
508 | if (free_and_strdup(&c->x11_layout, empty_or_dash_to_null(a[1])) < 0 || |
509 | free_and_strdup(&c->x11_model, empty_or_dash_to_null(a[2])) < 0 || | |
510 | free_and_strdup(&c->x11_variant, empty_or_dash_to_null(a[3])) < 0 || | |
511 | free_and_strdup(&c->x11_options, empty_or_dash_to_null(a[4])) < 0) | |
4897d1dc ZJS |
512 | return -ENOMEM; |
513 | ||
514 | modified = true; | |
515 | } | |
516 | ||
517 | break; | |
518 | } | |
519 | } | |
520 | ||
6f3287b3 | 521 | if (modified > 0) |
4897d1dc ZJS |
522 | log_info("Changing X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'", |
523 | strempty(c->x11_layout), | |
524 | strempty(c->x11_model), | |
525 | strempty(c->x11_variant), | |
526 | strempty(c->x11_options)); | |
6f3287b3 ZJS |
527 | else if (modified < 0) |
528 | log_notice("X11 keyboard layout was not modified: no conversion found for \"%s\".", | |
529 | c->vc_keymap); | |
4897d1dc | 530 | else |
6f3287b3 | 531 | log_debug("X11 keyboard layout did not need to be modified."); |
4897d1dc | 532 | |
6f3287b3 | 533 | return modified > 0; |
4897d1dc ZJS |
534 | } |
535 | ||
536 | int find_converted_keymap(const char *x11_layout, const char *x11_variant, char **new_keymap) { | |
537 | const char *dir; | |
c2b2df60 | 538 | _cleanup_free_ char *n = NULL; |
4897d1dc ZJS |
539 | |
540 | if (x11_variant) | |
605405c6 | 541 | n = strjoin(x11_layout, "-", x11_variant); |
4897d1dc ZJS |
542 | else |
543 | n = strdup(x11_layout); | |
544 | if (!n) | |
545 | return -ENOMEM; | |
546 | ||
547 | NULSTR_FOREACH(dir, KBD_KEYMAP_DIRS) { | |
548 | _cleanup_free_ char *p = NULL, *pz = NULL; | |
549 | bool uncompressed; | |
550 | ||
605405c6 ZJS |
551 | p = strjoin(dir, "xkb/", n, ".map"); |
552 | pz = strjoin(dir, "xkb/", n, ".map.gz"); | |
4897d1dc ZJS |
553 | if (!p || !pz) |
554 | return -ENOMEM; | |
555 | ||
556 | uncompressed = access(p, F_OK) == 0; | |
557 | if (uncompressed || access(pz, F_OK) == 0) { | |
558 | log_debug("Found converted keymap %s at %s", | |
559 | n, uncompressed ? p : pz); | |
560 | ||
ae2a15bc | 561 | *new_keymap = TAKE_PTR(n); |
4897d1dc ZJS |
562 | return 1; |
563 | } | |
564 | } | |
565 | ||
566 | return 0; | |
567 | } | |
568 | ||
6a6e9c03 | 569 | int find_legacy_keymap(Context *c, char **ret) { |
cabffaf8 ZJS |
570 | const char *map; |
571 | _cleanup_fclose_ FILE *f = NULL; | |
6a6e9c03 | 572 | _cleanup_free_ char *new_keymap = NULL; |
4897d1dc ZJS |
573 | unsigned n = 0; |
574 | unsigned best_matching = 0; | |
575 | int r; | |
576 | ||
5ad327dd ZJS |
577 | assert(!isempty(c->x11_layout)); |
578 | ||
cabffaf8 ZJS |
579 | map = systemd_kbd_model_map(); |
580 | ||
581 | f = fopen(map, "re"); | |
4897d1dc ZJS |
582 | if (!f) |
583 | return -errno; | |
584 | ||
585 | for (;;) { | |
586 | _cleanup_strv_free_ char **a = NULL; | |
587 | unsigned matching = 0; | |
588 | ||
cabffaf8 | 589 | r = read_next_mapping(map, 5, UINT_MAX, f, &n, &a); |
4897d1dc ZJS |
590 | if (r < 0) |
591 | return r; | |
592 | if (r == 0) | |
593 | break; | |
594 | ||
595 | /* Determine how well matching this entry is */ | |
5ad327dd | 596 | if (streq(c->x11_layout, a[1])) |
4897d1dc ZJS |
597 | /* If we got an exact match, this is best */ |
598 | matching = 10; | |
599 | else { | |
600 | /* We have multiple X layouts, look for an | |
601 | * entry that matches our key with everything | |
602 | * but the first layout stripped off. */ | |
603 | if (startswith_comma(c->x11_layout, a[1])) | |
604 | matching = 5; | |
605 | else { | |
6d946490 | 606 | _cleanup_free_ char *x = NULL; |
4897d1dc ZJS |
607 | |
608 | /* If that didn't work, strip off the | |
609 | * other layouts from the entry, too */ | |
6d946490 | 610 | x = strndup(a[1], strcspn(a[1], ",")); |
4897d1dc ZJS |
611 | if (startswith_comma(c->x11_layout, x)) |
612 | matching = 1; | |
613 | } | |
614 | } | |
615 | ||
616 | if (matching > 0) { | |
617 | if (isempty(c->x11_model) || streq_ptr(c->x11_model, a[2])) { | |
618 | matching++; | |
619 | ||
620 | if (streq_ptr(c->x11_variant, a[3])) { | |
621 | matching++; | |
622 | ||
623 | if (streq_ptr(c->x11_options, a[4])) | |
624 | matching++; | |
625 | } | |
626 | } | |
627 | } | |
628 | ||
629 | /* The best matching entry so far, then let's save that */ | |
630 | if (matching >= MAX(best_matching, 1u)) { | |
631 | log_debug("Found legacy keymap %s with score %u", | |
632 | a[0], matching); | |
633 | ||
634 | if (matching > best_matching) { | |
635 | best_matching = matching; | |
636 | ||
6a6e9c03 | 637 | r = free_and_strdup(&new_keymap, a[0]); |
4897d1dc ZJS |
638 | if (r < 0) |
639 | return r; | |
640 | } | |
641 | } | |
642 | } | |
643 | ||
644 | if (best_matching < 10 && c->x11_layout) { | |
645 | /* The best match is only the first part of the X11 | |
646 | * keymap. Check if we have a converted map which | |
647 | * matches just the first layout. | |
648 | */ | |
649 | char *l, *v = NULL, *converted; | |
650 | ||
651 | l = strndupa(c->x11_layout, strcspn(c->x11_layout, ",")); | |
652 | if (c->x11_variant) | |
653 | v = strndupa(c->x11_variant, strcspn(c->x11_variant, ",")); | |
654 | r = find_converted_keymap(l, v, &converted); | |
655 | if (r < 0) | |
656 | return r; | |
6a6e9c03 ZJS |
657 | if (r > 0) |
658 | free_and_replace(new_keymap, converted); | |
4897d1dc ZJS |
659 | } |
660 | ||
6a6e9c03 ZJS |
661 | *ret = TAKE_PTR(new_keymap); |
662 | return (bool) *ret; | |
4897d1dc ZJS |
663 | } |
664 | ||
665 | int find_language_fallback(const char *lang, char **language) { | |
cabffaf8 | 666 | const char *map; |
4897d1dc ZJS |
667 | _cleanup_fclose_ FILE *f = NULL; |
668 | unsigned n = 0; | |
669 | ||
aa63b56f | 670 | assert(lang); |
4897d1dc ZJS |
671 | assert(language); |
672 | ||
cabffaf8 ZJS |
673 | map = systemd_language_fallback_map(); |
674 | ||
675 | f = fopen(map, "re"); | |
4897d1dc ZJS |
676 | if (!f) |
677 | return -errno; | |
678 | ||
679 | for (;;) { | |
680 | _cleanup_strv_free_ char **a = NULL; | |
681 | int r; | |
682 | ||
cabffaf8 | 683 | r = read_next_mapping(map, 2, 2, f, &n, &a); |
4897d1dc ZJS |
684 | if (r <= 0) |
685 | return r; | |
686 | ||
687 | if (streq(lang, a[0])) { | |
688 | assert(strv_length(a) == 2); | |
1cc6c93a | 689 | *language = TAKE_PTR(a[1]); |
4897d1dc ZJS |
690 | return 1; |
691 | } | |
692 | } | |
693 | ||
04499a70 | 694 | assert_not_reached(); |
4897d1dc ZJS |
695 | } |
696 | ||
697 | int x11_convert_to_vconsole(Context *c) { | |
698 | bool modified = false; | |
699 | ||
700 | if (isempty(c->x11_layout)) { | |
4897d1dc ZJS |
701 | modified = |
702 | !isempty(c->vc_keymap) || | |
703 | !isempty(c->vc_keymap_toggle); | |
704 | ||
aa63b56f | 705 | context_free_vconsole(c); |
4897d1dc | 706 | } else { |
6a837b03 | 707 | _cleanup_free_ char *new_keymap = NULL; |
4897d1dc ZJS |
708 | int r; |
709 | ||
710 | r = find_converted_keymap(c->x11_layout, c->x11_variant, &new_keymap); | |
711 | if (r < 0) | |
712 | return r; | |
713 | else if (r == 0) { | |
714 | r = find_legacy_keymap(c, &new_keymap); | |
715 | if (r < 0) | |
716 | return r; | |
717 | } | |
5ad327dd ZJS |
718 | if (r == 0) |
719 | /* We search for layout-variant match first, but then we also look | |
720 | * for anything which matches just the layout. So it's accurate to say | |
721 | * that we couldn't find anything which matches the layout. */ | |
722 | log_notice("No conversion to virtual console map found for \"%s\".", | |
723 | c->x11_layout); | |
4897d1dc ZJS |
724 | |
725 | if (!streq_ptr(c->vc_keymap, new_keymap)) { | |
6a837b03 | 726 | free_and_replace(c->vc_keymap, new_keymap); |
4897d1dc ZJS |
727 | c->vc_keymap_toggle = mfree(c->vc_keymap_toggle); |
728 | modified = true; | |
6a837b03 | 729 | } |
4897d1dc ZJS |
730 | } |
731 | ||
732 | if (modified) | |
733 | log_info("Changing virtual console keymap to '%s' toggle '%s'", | |
734 | strempty(c->vc_keymap), strempty(c->vc_keymap_toggle)); | |
735 | else | |
736 | log_debug("Virtual console keymap was not modified."); | |
737 | ||
738 | return modified; | |
739 | } | |
8f20232f MK |
740 | |
741 | bool locale_gen_check_available(void) { | |
742 | #if HAVE_LOCALEGEN | |
743 | if (access(LOCALEGEN_PATH, X_OK) < 0) { | |
744 | if (errno != ENOENT) | |
745 | log_warning_errno(errno, "Unable to determine whether " LOCALEGEN_PATH " exists and is executable, assuming it is not: %m"); | |
746 | return false; | |
747 | } | |
748 | if (access("/etc/locale.gen", F_OK) < 0) { | |
749 | if (errno != ENOENT) | |
750 | log_warning_errno(errno, "Unable to determine whether /etc/locale.gen exists, assuming it does not: %m"); | |
751 | return false; | |
752 | } | |
753 | return true; | |
754 | #else | |
755 | return false; | |
756 | #endif | |
757 | } | |
758 | ||
759 | #if HAVE_LOCALEGEN | |
760 | static bool locale_encoding_is_utf8_or_unspecified(const char *locale) { | |
761 | const char *c = strchr(locale, '.'); | |
762 | return !c || strcaseeq(c, ".UTF-8") || strcasestr(locale, ".UTF-8@"); | |
763 | } | |
764 | ||
765 | static int locale_gen_locale_supported(const char *locale_entry) { | |
766 | /* Returns an error valus <= 0 if the locale-gen entry is invalid or unsupported, | |
767 | * 1 in case the locale entry is valid, and -EOPNOTSUPP specifically in case | |
768 | * the distributor has not provided us with a SUPPORTED file to check | |
769 | * locale for validity. */ | |
770 | ||
771 | _cleanup_fclose_ FILE *f = NULL; | |
772 | int r; | |
773 | ||
774 | assert(locale_entry); | |
775 | ||
776 | /* Locale templates without country code are never supported */ | |
777 | if (!strstr(locale_entry, "_")) | |
778 | return -EINVAL; | |
779 | ||
780 | f = fopen("/usr/share/i18n/SUPPORTED", "re"); | |
781 | if (!f) { | |
782 | if (errno == ENOENT) | |
783 | return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
784 | "Unable to check validity of locale entry %s: /usr/share/i18n/SUPPORTED does not exist", | |
785 | locale_entry); | |
786 | return -errno; | |
787 | } | |
788 | ||
789 | for (;;) { | |
790 | _cleanup_free_ char *line = NULL; | |
791 | ||
792 | r = read_line(f, LONG_LINE_MAX, &line); | |
793 | if (r < 0) | |
794 | return log_debug_errno(r, "Failed to read /usr/share/i18n/SUPPORTED: %m"); | |
795 | if (r == 0) | |
796 | return 0; | |
797 | ||
798 | line = strstrip(line); | |
799 | if (strcaseeq_ptr(line, locale_entry)) | |
800 | return 1; | |
801 | } | |
802 | } | |
803 | #endif | |
804 | ||
805 | int locale_gen_enable_locale(const char *locale) { | |
806 | #if HAVE_LOCALEGEN | |
807 | _cleanup_fclose_ FILE *fr = NULL, *fw = NULL; | |
808 | _cleanup_(unlink_and_freep) char *temp_path = NULL; | |
809 | _cleanup_free_ char *locale_entry = NULL; | |
810 | bool locale_enabled = false, first_line = false; | |
811 | bool write_new = false; | |
812 | int r; | |
813 | ||
814 | if (isempty(locale)) | |
815 | return 0; | |
816 | ||
817 | if (locale_encoding_is_utf8_or_unspecified(locale)) { | |
818 | locale_entry = strjoin(locale, " UTF-8"); | |
819 | if (!locale_entry) | |
820 | return -ENOMEM; | |
821 | } else | |
822 | return -ENOEXEC; /* We do not process non-UTF-8 locale */ | |
823 | ||
824 | r = locale_gen_locale_supported(locale_entry); | |
825 | if (r == 0) | |
826 | return -EINVAL; | |
827 | if (r < 0 && r != -EOPNOTSUPP) | |
828 | return r; | |
829 | ||
830 | fr = fopen("/etc/locale.gen", "re"); | |
831 | if (!fr) { | |
832 | if (errno != ENOENT) | |
833 | return -errno; | |
834 | write_new = true; | |
835 | } | |
836 | ||
837 | r = fopen_temporary("/etc/locale.gen", &fw, &temp_path); | |
838 | if (r < 0) | |
839 | return r; | |
840 | ||
841 | if (write_new) | |
842 | (void) fchmod(fileno(fw), 0644); | |
843 | else { | |
844 | /* apply mode & xattrs of the original file to new file */ | |
845 | r = copy_access(fileno(fr), fileno(fw)); | |
846 | if (r < 0) | |
847 | return r; | |
848 | r = copy_xattr(fileno(fr), fileno(fw)); | |
849 | if (r < 0) | |
850 | return r; | |
851 | } | |
852 | ||
853 | if (!write_new) { | |
854 | /* The config file ends with a line break, which we do not want to include before potentially appending a new locale | |
855 | * instead of uncommenting an existing line. By prepending linebreaks, we can avoid buffering this file but can still write | |
856 | * a nice config file without empty lines */ | |
857 | first_line = true; | |
858 | for (;;) { | |
859 | _cleanup_free_ char *line = NULL; | |
860 | char *line_locale; | |
861 | ||
862 | r = read_line(fr, LONG_LINE_MAX, &line); | |
863 | if (r < 0) | |
864 | return r; | |
865 | if (r == 0) | |
866 | break; | |
867 | ||
868 | if (locale_enabled) { | |
869 | /* Just complete writing the file if the new locale was already enabled */ | |
870 | if (!first_line) | |
871 | fputc('\n', fw); | |
872 | fputs(line, fw); | |
873 | first_line = false; | |
874 | continue; | |
875 | } | |
876 | ||
877 | line = strstrip(line); | |
878 | if (isempty(line)) { | |
879 | fputc('\n', fw); | |
880 | first_line = false; | |
881 | continue; | |
882 | } | |
883 | ||
884 | line_locale = line; | |
885 | if (line_locale[0] == '#') | |
886 | line_locale = strstrip(line_locale + 1); | |
887 | else if (strcaseeq_ptr(line_locale, locale_entry)) | |
888 | return 0; /* the file already had our locale activated, so skip updating it */ | |
889 | ||
890 | if (strcaseeq_ptr(line_locale, locale_entry)) { | |
891 | /* Uncomment existing line for new locale */ | |
892 | if (!first_line) | |
893 | fputc('\n', fw); | |
894 | fputs(locale_entry, fw); | |
895 | locale_enabled = true; | |
896 | first_line = false; | |
897 | continue; | |
898 | } | |
899 | ||
900 | /* The line was not for the locale we want to enable, just copy it */ | |
901 | if (!first_line) | |
902 | fputc('\n', fw); | |
903 | fputs(line, fw); | |
904 | first_line = false; | |
905 | } | |
906 | } | |
907 | ||
908 | /* Add locale to enable to the end of the file if it was not found as commented line */ | |
909 | if (!locale_enabled) { | |
910 | if (!write_new) | |
911 | fputc('\n', fw); | |
912 | fputs(locale_entry, fw); | |
913 | } | |
914 | fputc('\n', fw); | |
915 | ||
916 | r = fflush_sync_and_check(fw); | |
917 | if (r < 0) | |
918 | return r; | |
919 | ||
920 | if (rename(temp_path, "/etc/locale.gen") < 0) | |
921 | return -errno; | |
922 | temp_path = mfree(temp_path); | |
923 | ||
924 | return 0; | |
925 | #else | |
926 | return -EOPNOTSUPP; | |
927 | #endif | |
928 | } | |
929 | ||
930 | int locale_gen_run(void) { | |
931 | #if HAVE_LOCALEGEN | |
932 | pid_t pid; | |
933 | int r; | |
934 | ||
935 | r = safe_fork("(sd-localegen)", FORK_RESET_SIGNALS|FORK_RLIMIT_NOFILE_SAFE|FORK_CLOSE_ALL_FDS|FORK_LOG|FORK_WAIT, &pid); | |
936 | if (r < 0) | |
937 | return r; | |
938 | if (r == 0) { | |
939 | execl(LOCALEGEN_PATH, LOCALEGEN_PATH, NULL); | |
940 | _exit(EXIT_FAILURE); | |
941 | } | |
942 | ||
943 | return 0; | |
944 | #else | |
945 | return -EOPNOTSUPP; | |
946 | #endif | |
947 | } |