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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
1822350d | 2 | |
1822350d KS |
3 | #include <errno.h> |
4 | #include <string.h> | |
5 | #include <unistd.h> | |
6 | ||
349cc4a5 | 7 | #if HAVE_XKBCOMMON |
3ffd4af2 | 8 | #include <xkbcommon/xkbcommon.h> |
5de34470 | 9 | #include <dlfcn.h> |
3ffd4af2 LP |
10 | #endif |
11 | ||
8d451309 KS |
12 | #include "sd-bus.h" |
13 | ||
b5efdb8a | 14 | #include "alloc-util.h" |
8d451309 KS |
15 | #include "bus-error.h" |
16 | #include "bus-message.h" | |
bb15fafe LP |
17 | #include "bus-util.h" |
18 | #include "def.h" | |
4897d1dc | 19 | #include "keymap-util.h" |
75683450 | 20 | #include "locale-util.h" |
4897d1dc | 21 | #include "macro.h" |
bb15fafe | 22 | #include "path-util.h" |
d7b8eec7 | 23 | #include "selinux-util.h" |
50008ae4 | 24 | #include "signal-util.h" |
4897d1dc | 25 | #include "string-util.h" |
bb15fafe | 26 | #include "strv.h" |
ee104e11 | 27 | #include "user-util.h" |
d4f5a1f4 | 28 | |
4897d1dc | 29 | static Hashmap *polkit_registry = NULL; |
1822350d | 30 | |
8d451309 KS |
31 | static int locale_update_system_manager(Context *c, sd_bus *bus) { |
32 | _cleanup_free_ char **l_unset = NULL; | |
33 | _cleanup_strv_free_ char **l_set = NULL; | |
4afd3348 | 34 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; |
8d451309 | 35 | sd_bus_error error = SD_BUS_ERROR_NULL; |
608eea8e LP |
36 | size_t c_set, c_unset; |
37 | LocaleVariable p; | |
8d451309 | 38 | int r; |
1822350d KS |
39 | |
40 | assert(bus); | |
41 | ||
78c97cbe | 42 | l_unset = new0(char*, _VARIABLE_LC_MAX); |
8d451309 | 43 | if (!l_unset) |
46e8b947 | 44 | return log_oom(); |
1822350d | 45 | |
78c97cbe | 46 | l_set = new0(char*, _VARIABLE_LC_MAX); |
8d451309 | 47 | if (!l_set) |
46e8b947 | 48 | return log_oom(); |
8d451309 | 49 | |
78c97cbe ZJS |
50 | for (p = 0, c_set = 0, c_unset = 0; p < _VARIABLE_LC_MAX; p++) { |
51 | const char *name; | |
52 | ||
53 | name = locale_variable_to_string(p); | |
54 | assert(name); | |
1822350d | 55 | |
8d451309 | 56 | if (isempty(c->locale[p])) |
78c97cbe | 57 | l_unset[c_set++] = (char*) name; |
1822350d KS |
58 | else { |
59 | char *s; | |
60 | ||
46e8b947 LP |
61 | s = strjoin(name, "=", c->locale[p]); |
62 | if (!s) | |
63 | return log_oom(); | |
1822350d KS |
64 | |
65 | l_set[c_unset++] = s; | |
66 | } | |
67 | } | |
68 | ||
78c97cbe | 69 | assert(c_set + c_unset == _VARIABLE_LC_MAX); |
151b9b96 | 70 | r = sd_bus_message_new_method_call(bus, &m, |
8d451309 KS |
71 | "org.freedesktop.systemd1", |
72 | "/org/freedesktop/systemd1", | |
73 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 74 | "UnsetAndSetEnvironment"); |
8d451309 | 75 | if (r < 0) |
46e8b947 | 76 | return bus_log_create_error(r); |
1822350d | 77 | |
8d451309 KS |
78 | r = sd_bus_message_append_strv(m, l_unset); |
79 | if (r < 0) | |
46e8b947 | 80 | return bus_log_create_error(r); |
1822350d | 81 | |
8d451309 KS |
82 | r = sd_bus_message_append_strv(m, l_set); |
83 | if (r < 0) | |
46e8b947 | 84 | return bus_log_create_error(r); |
1822350d | 85 | |
c49b30a2 | 86 | r = sd_bus_call(bus, m, 0, &error, NULL); |
8d451309 | 87 | if (r < 0) |
936d1136 | 88 | return log_error_errno(r, "Failed to update the manager environment: %s", bus_error_message(&error, r)); |
1822350d | 89 | |
8d451309 | 90 | return 0; |
1822350d KS |
91 | } |
92 | ||
8d451309 | 93 | static int vconsole_reload(sd_bus *bus) { |
4afd3348 | 94 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1822350d | 95 | int r; |
1822350d KS |
96 | |
97 | assert(bus); | |
98 | ||
8d451309 | 99 | r = sd_bus_call_method(bus, |
1822350d KS |
100 | "org.freedesktop.systemd1", |
101 | "/org/freedesktop/systemd1", | |
102 | "org.freedesktop.systemd1.Manager", | |
8d451309 KS |
103 | "RestartUnit", |
104 | &error, | |
105 | NULL, | |
106 | "ss", "systemd-vconsole-setup.service", "replace"); | |
1822350d | 107 | |
8d451309 | 108 | if (r < 0) |
26a93376 | 109 | return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r)); |
4ae25393 YW |
110 | |
111 | return 0; | |
1822350d KS |
112 | } |
113 | ||
df4fd2c7 | 114 | static int vconsole_convert_to_x11_and_emit(Context *c, sd_bus_message *m) { |
78bd12a0 | 115 | int r; |
0732ef7a | 116 | |
df4fd2c7 YW |
117 | assert(m); |
118 | ||
119 | r = x11_read_data(c, m); | |
120 | if (r < 0) | |
121 | return r; | |
4e829d21 | 122 | |
4897d1dc ZJS |
123 | r = vconsole_convert_to_x11(c); |
124 | if (r <= 0) | |
125 | return r; | |
4e829d21 | 126 | |
4897d1dc ZJS |
127 | /* modified */ |
128 | r = x11_write_data(c); | |
129 | if (r < 0) | |
130 | return log_error_errno(r, "Failed to write X11 keyboard layout: %m"); | |
4e829d21 | 131 | |
df4fd2c7 | 132 | sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
4897d1dc ZJS |
133 | "/org/freedesktop/locale1", |
134 | "org.freedesktop.locale1", | |
135 | "X11Layout", "X11Model", "X11Variant", "X11Options", NULL); | |
4e829d21 | 136 | |
4897d1dc | 137 | return 1; |
4e829d21 ZJS |
138 | } |
139 | ||
df4fd2c7 | 140 | static int x11_convert_to_vconsole_and_emit(Context *c, sd_bus_message *m) { |
0732ef7a | 141 | int r; |
1822350d | 142 | |
df4fd2c7 YW |
143 | assert(m); |
144 | ||
145 | r = vconsole_read_data(c, m); | |
146 | if (r < 0) | |
147 | return r; | |
1822350d | 148 | |
4897d1dc ZJS |
149 | r = x11_convert_to_vconsole(c); |
150 | if (r <= 0) | |
151 | return r; | |
502f9614 | 152 | |
4897d1dc ZJS |
153 | /* modified */ |
154 | r = vconsole_write_data(c); | |
155 | if (r < 0) | |
156 | log_error_errno(r, "Failed to save virtual console keymap: %m"); | |
1822350d | 157 | |
df4fd2c7 | 158 | sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
4897d1dc ZJS |
159 | "/org/freedesktop/locale1", |
160 | "org.freedesktop.locale1", | |
161 | "VConsoleKeymap", "VConsoleKeymapToggle", NULL); | |
1822350d | 162 | |
df4fd2c7 | 163 | return vconsole_reload(sd_bus_message_get_bus(m)); |
1822350d KS |
164 | } |
165 | ||
ebcf1f97 LP |
166 | static int property_get_locale( |
167 | sd_bus *bus, | |
168 | const char *path, | |
169 | const char *interface, | |
170 | const char *property, | |
171 | sd_bus_message *reply, | |
172 | void *userdata, | |
173 | sd_bus_error *error) { | |
174 | ||
8d451309 | 175 | Context *c = userdata; |
b47d419c | 176 | _cleanup_strv_free_ char **l = NULL; |
df4fd2c7 YW |
177 | int p, q, r; |
178 | ||
179 | r = locale_read_data(c, reply); | |
180 | if (r < 0) | |
181 | return r; | |
1822350d | 182 | |
78c97cbe | 183 | l = new0(char*, _VARIABLE_LC_MAX+1); |
1822350d KS |
184 | if (!l) |
185 | return -ENOMEM; | |
186 | ||
78c97cbe | 187 | for (p = 0, q = 0; p < _VARIABLE_LC_MAX; p++) { |
1822350d | 188 | char *t; |
78c97cbe ZJS |
189 | const char *name; |
190 | ||
191 | name = locale_variable_to_string(p); | |
192 | assert(name); | |
1822350d | 193 | |
8d451309 | 194 | if (isempty(c->locale[p])) |
1822350d KS |
195 | continue; |
196 | ||
78c97cbe | 197 | if (asprintf(&t, "%s=%s", name, c->locale[p]) < 0) |
1822350d | 198 | return -ENOMEM; |
1822350d | 199 | |
8d451309 | 200 | l[q++] = t; |
1822350d KS |
201 | } |
202 | ||
8d451309 | 203 | return sd_bus_message_append_strv(reply, l); |
1822350d KS |
204 | } |
205 | ||
df4fd2c7 YW |
206 | static int property_get_vconsole( |
207 | sd_bus *bus, | |
208 | const char *path, | |
209 | const char *interface, | |
210 | const char *property, | |
211 | sd_bus_message *reply, | |
212 | void *userdata, | |
213 | sd_bus_error *error) { | |
214 | ||
215 | Context *c = userdata; | |
216 | int r; | |
217 | ||
218 | r = vconsole_read_data(c, reply); | |
219 | if (r < 0) | |
220 | return r; | |
221 | ||
222 | if (streq(property, "VConsoleKeymap")) | |
223 | return sd_bus_message_append_basic(reply, 's', c->vc_keymap); | |
224 | else if (streq(property, "VConsoleKeymapToggle")) | |
225 | return sd_bus_message_append_basic(reply, 's', c->vc_keymap_toggle); | |
226 | ||
227 | return -EINVAL; | |
228 | } | |
229 | ||
230 | static int property_get_xkb( | |
231 | sd_bus *bus, | |
232 | const char *path, | |
233 | const char *interface, | |
234 | const char *property, | |
235 | sd_bus_message *reply, | |
236 | void *userdata, | |
237 | sd_bus_error *error) { | |
238 | ||
239 | Context *c = userdata; | |
240 | int r; | |
241 | ||
242 | r = x11_read_data(c, reply); | |
243 | if (r < 0) | |
244 | return r; | |
245 | ||
246 | if (streq(property, "X11Layout")) | |
247 | return sd_bus_message_append_basic(reply, 's', c->x11_layout); | |
248 | else if (streq(property, "X11Model")) | |
249 | return sd_bus_message_append_basic(reply, 's', c->x11_model); | |
250 | else if (streq(property, "X11Variant")) | |
251 | return sd_bus_message_append_basic(reply, 's', c->x11_variant); | |
252 | else if (streq(property, "X11Options")) | |
253 | return sd_bus_message_append_basic(reply, 's', c->x11_options); | |
254 | ||
255 | return -EINVAL; | |
256 | } | |
257 | ||
19070062 | 258 | static int method_set_locale(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
e6755a33 | 259 | _cleanup_(locale_variables_freep) char *new_locale[_VARIABLE_LC_MAX] = {}; |
df4fd2c7 | 260 | _cleanup_strv_free_ char **settings = NULL, **l = NULL; |
e6755a33 | 261 | Context *c = userdata; |
8d451309 | 262 | bool modified = false; |
df4fd2c7 | 263 | int interactive, p, r; |
e6755a33 | 264 | char **i; |
1822350d | 265 | |
19070062 LP |
266 | assert(m); |
267 | assert(c); | |
268 | ||
8d451309 KS |
269 | r = bus_message_read_strv_extend(m, &l); |
270 | if (r < 0) | |
ebcf1f97 | 271 | return r; |
1822350d | 272 | |
8d451309 KS |
273 | r = sd_bus_message_read_basic(m, 'b', &interactive); |
274 | if (r < 0) | |
ebcf1f97 | 275 | return r; |
1822350d | 276 | |
4156e767 YW |
277 | /* If single locale without variable name is provided, then we assume it is LANG=. */ |
278 | if (strv_length(l) == 1 && !strchr(*l, '=')) { | |
279 | if (!locale_is_valid(*l)) | |
280 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid Locale data."); | |
281 | ||
282 | new_locale[VARIABLE_LANG] = strdup(*l); | |
283 | if (!new_locale[VARIABLE_LANG]) | |
284 | return -ENOMEM; | |
285 | ||
286 | l = strv_free(l); | |
287 | } | |
288 | ||
df4fd2c7 | 289 | /* Check whether a variable is valid */ |
8d451309 KS |
290 | STRV_FOREACH(i, l) { |
291 | bool valid = false; | |
1822350d | 292 | |
78c97cbe | 293 | for (p = 0; p < _VARIABLE_LC_MAX; p++) { |
8d451309 | 294 | size_t k; |
78c97cbe | 295 | const char *name; |
1822350d | 296 | |
78c97cbe ZJS |
297 | name = locale_variable_to_string(p); |
298 | assert(name); | |
299 | ||
300 | k = strlen(name); | |
301 | if (startswith(*i, name) && | |
8d451309 | 302 | (*i)[k] == '=' && |
75683450 | 303 | locale_is_valid((*i) + k + 1)) { |
8d451309 | 304 | valid = true; |
1822350d | 305 | |
df4fd2c7 YW |
306 | new_locale[p] = strdup((*i) + k + 1); |
307 | if (!new_locale[p]) | |
308 | return -ENOMEM; | |
1822350d | 309 | |
8d451309 KS |
310 | break; |
311 | } | |
1822350d KS |
312 | } |
313 | ||
8d451309 | 314 | if (!valid) |
ebcf1f97 | 315 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid Locale data."); |
8d451309 | 316 | } |
1822350d | 317 | |
4e829d21 ZJS |
318 | /* If LANG was specified, but not LANGUAGE, check if we should |
319 | * set it based on the language fallback table. */ | |
df4fd2c7 YW |
320 | if (!isempty(new_locale[VARIABLE_LANG]) && |
321 | isempty(new_locale[VARIABLE_LANGUAGE])) { | |
4e829d21 ZJS |
322 | _cleanup_free_ char *language = NULL; |
323 | ||
df4fd2c7 | 324 | (void) find_language_fallback(new_locale[VARIABLE_LANG], &language); |
4e829d21 | 325 | if (language) { |
df4fd2c7 YW |
326 | log_debug("Converted LANG=%s to LANGUAGE=%s", new_locale[VARIABLE_LANG], language); |
327 | free_and_replace(new_locale[VARIABLE_LANGUAGE], language); | |
4e829d21 ZJS |
328 | } |
329 | } | |
330 | ||
df4fd2c7 YW |
331 | r = locale_read_data(c, m); |
332 | if (r < 0) { | |
333 | log_error_errno(r, "Failed to read locale data: %m"); | |
334 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Failed to read locale data"); | |
335 | } | |
8d451309 | 336 | |
df4fd2c7 YW |
337 | /* Merge with the current settings */ |
338 | for (p = 0; p < _VARIABLE_LC_MAX; p++) | |
339 | if (!isempty(c->locale[p]) && isempty(new_locale[p])) { | |
340 | new_locale[p] = strdup(c->locale[p]); | |
341 | if (!new_locale[p]) | |
342 | return -ENOMEM; | |
343 | } | |
1822350d | 344 | |
df4fd2c7 | 345 | locale_simplify(new_locale); |
1822350d | 346 | |
df4fd2c7 YW |
347 | for (p = 0; p < _VARIABLE_LC_MAX; p++) |
348 | if (!streq_ptr(c->locale[p], new_locale[p])) { | |
349 | modified = true; | |
350 | break; | |
8d451309 | 351 | } |
1822350d | 352 | |
df4fd2c7 YW |
353 | if (!modified) { |
354 | log_debug("Locale settings were not modified."); | |
355 | return sd_bus_reply_method_return(m, NULL); | |
356 | } | |
1822350d | 357 | |
df4fd2c7 YW |
358 | r = bus_verify_polkit_async( |
359 | m, | |
360 | CAP_SYS_ADMIN, | |
361 | "org.freedesktop.locale1.set-locale", | |
362 | NULL, | |
363 | interactive, | |
364 | UID_INVALID, | |
365 | &polkit_registry, | |
366 | error); | |
367 | if (r < 0) | |
368 | return r; | |
369 | if (r == 0) | |
370 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1822350d | 371 | |
df4fd2c7 YW |
372 | for (p = 0; p < _VARIABLE_LC_MAX; p++) |
373 | free_and_replace(c->locale[p], new_locale[p]); | |
1822350d | 374 | |
df4fd2c7 YW |
375 | r = locale_write_data(c, &settings); |
376 | if (r < 0) { | |
377 | log_error_errno(r, "Failed to set locale: %m"); | |
378 | return sd_bus_error_set_errnof(error, r, "Failed to set locale: %m"); | |
379 | } | |
502f9614 | 380 | |
df4fd2c7 | 381 | (void) locale_update_system_manager(c, sd_bus_message_get_bus(m)); |
1822350d | 382 | |
df4fd2c7 YW |
383 | if (settings) { |
384 | _cleanup_free_ char *line; | |
385 | ||
386 | line = strv_join(settings, ", "); | |
387 | log_info("Changed locale to %s.", strnull(line)); | |
502f9614 | 388 | } else |
df4fd2c7 YW |
389 | log_info("Changed locale to unset."); |
390 | ||
391 | (void) sd_bus_emit_properties_changed( | |
392 | sd_bus_message_get_bus(m), | |
393 | "/org/freedesktop/locale1", | |
394 | "org.freedesktop.locale1", | |
395 | "Locale", NULL); | |
502f9614 | 396 | |
df2d202e | 397 | return sd_bus_reply_method_return(m, NULL); |
8d451309 | 398 | } |
1822350d | 399 | |
19070062 | 400 | static int method_set_vc_keyboard(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
8d451309 | 401 | Context *c = userdata; |
8d451309 | 402 | const char *keymap, *keymap_toggle; |
b47ff73b | 403 | int convert, interactive, r; |
f2cc3753 | 404 | |
19070062 LP |
405 | assert(m); |
406 | assert(c); | |
407 | ||
8d451309 KS |
408 | r = sd_bus_message_read(m, "ssbb", &keymap, &keymap_toggle, &convert, &interactive); |
409 | if (r < 0) | |
ebcf1f97 | 410 | return r; |
1822350d | 411 | |
3c6f7c34 LP |
412 | keymap = empty_to_null(keymap); |
413 | keymap_toggle = empty_to_null(keymap_toggle); | |
1822350d | 414 | |
df4fd2c7 YW |
415 | r = vconsole_read_data(c, m); |
416 | if (r < 0) { | |
417 | log_error_errno(r, "Failed to read virtual console keymap data: %m"); | |
418 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Failed to read virtual console keymap data"); | |
419 | } | |
420 | ||
b47ff73b YW |
421 | if (streq_ptr(keymap, c->vc_keymap) && |
422 | streq_ptr(keymap_toggle, c->vc_keymap_toggle)) | |
423 | return sd_bus_reply_method_return(m, NULL); | |
1822350d | 424 | |
b47ff73b YW |
425 | if ((keymap && (!filename_is_valid(keymap) || !string_is_safe(keymap))) || |
426 | (keymap_toggle && (!filename_is_valid(keymap_toggle) || !string_is_safe(keymap_toggle)))) | |
427 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Received invalid keymap data"); | |
1822350d | 428 | |
b47ff73b YW |
429 | r = bus_verify_polkit_async( |
430 | m, | |
431 | CAP_SYS_ADMIN, | |
432 | "org.freedesktop.locale1.set-keyboard", | |
433 | NULL, | |
434 | interactive, | |
435 | UID_INVALID, | |
436 | &polkit_registry, | |
437 | error); | |
438 | if (r < 0) | |
439 | return r; | |
440 | if (r == 0) | |
441 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1822350d | 442 | |
b47ff73b YW |
443 | if (free_and_strdup(&c->vc_keymap, keymap) < 0 || |
444 | free_and_strdup(&c->vc_keymap_toggle, keymap_toggle) < 0) | |
445 | return -ENOMEM; | |
0b507b17 | 446 | |
b47ff73b YW |
447 | r = vconsole_write_data(c); |
448 | if (r < 0) { | |
449 | log_error_errno(r, "Failed to set virtual console keymap: %m"); | |
450 | return sd_bus_error_set_errnof(error, r, "Failed to set virtual console keymap: %m"); | |
451 | } | |
1822350d | 452 | |
b47ff73b YW |
453 | log_info("Changed virtual console keymap to '%s' toggle '%s'", |
454 | strempty(c->vc_keymap), strempty(c->vc_keymap_toggle)); | |
1822350d | 455 | |
26a93376 | 456 | (void) vconsole_reload(sd_bus_message_get_bus(m)); |
1822350d | 457 | |
b47ff73b YW |
458 | (void) sd_bus_emit_properties_changed( |
459 | sd_bus_message_get_bus(m), | |
460 | "/org/freedesktop/locale1", | |
461 | "org.freedesktop.locale1", | |
462 | "VConsoleKeymap", "VConsoleKeymapToggle", NULL); | |
1822350d | 463 | |
b47ff73b | 464 | if (convert) { |
df4fd2c7 | 465 | r = vconsole_convert_to_x11_and_emit(c, m); |
b47ff73b YW |
466 | if (r < 0) |
467 | log_error_errno(r, "Failed to convert keymap data: %m"); | |
8d451309 | 468 | } |
1822350d | 469 | |
df2d202e | 470 | return sd_bus_reply_method_return(m, NULL); |
8d451309 | 471 | } |
1822350d | 472 | |
349cc4a5 | 473 | #if HAVE_XKBCOMMON |
5de34470 | 474 | |
3cb063fd | 475 | _printf_(3, 0) |
d4f5a1f4 | 476 | static void log_xkb(struct xkb_context *ctx, enum xkb_log_level lvl, const char *format, va_list args) { |
8433e339 JS |
477 | const char *fmt; |
478 | ||
63c372cb | 479 | fmt = strjoina("libxkbcommon: ", format); |
032b7541 ZJS |
480 | #pragma GCC diagnostic push |
481 | #pragma GCC diagnostic ignored "-Wformat-nonliteral" | |
8433e339 | 482 | log_internalv(LOG_DEBUG, 0, __FILE__, __LINE__, __func__, fmt, args); |
032b7541 | 483 | #pragma GCC diagnostic pop |
d4f5a1f4 DH |
484 | } |
485 | ||
5de34470 LP |
486 | #define LOAD_SYMBOL(symbol, dl, name) \ |
487 | ({ \ | |
488 | (symbol) = (typeof(symbol)) dlvsym((dl), (name), "V_0.5.0"); \ | |
489 | (symbol) ? 0 : -EOPNOTSUPP; \ | |
490 | }) | |
491 | ||
d4f5a1f4 | 492 | static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) { |
5de34470 LP |
493 | |
494 | /* We dlopen() the library in order to make the dependency soft. The library (and what it pulls in) is huge | |
495 | * after all, hence let's support XKB maps when the library is around, and refuse otherwise. The function | |
496 | * pointers to the shared library are below: */ | |
497 | ||
498 | struct xkb_context* (*symbol_xkb_context_new)(enum xkb_context_flags flags) = NULL; | |
499 | void (*symbol_xkb_context_unref)(struct xkb_context *context) = NULL; | |
500 | void (*symbol_xkb_context_set_log_fn)(struct xkb_context *context, void (*log_fn)(struct xkb_context *context, enum xkb_log_level level, const char *format, va_list args)) = NULL; | |
501 | struct xkb_keymap* (*symbol_xkb_keymap_new_from_names)(struct xkb_context *context, const struct xkb_rule_names *names, enum xkb_keymap_compile_flags flags) = NULL; | |
502 | void (*symbol_xkb_keymap_unref)(struct xkb_keymap *keymap) = NULL; | |
503 | ||
d4f5a1f4 DH |
504 | const struct xkb_rule_names rmlvo = { |
505 | .model = model, | |
506 | .layout = layout, | |
507 | .variant = variant, | |
508 | .options = options, | |
509 | }; | |
510 | struct xkb_context *ctx = NULL; | |
511 | struct xkb_keymap *km = NULL; | |
5de34470 | 512 | void *dl; |
d4f5a1f4 DH |
513 | int r; |
514 | ||
5de34470 LP |
515 | /* Compile keymap from RMLVO information to check out its validity */ |
516 | ||
517 | dl = dlopen("libxkbcommon.so.0", RTLD_LAZY); | |
518 | if (!dl) | |
519 | return -EOPNOTSUPP; | |
520 | ||
521 | r = LOAD_SYMBOL(symbol_xkb_context_new, dl, "xkb_context_new"); | |
522 | if (r < 0) | |
523 | goto finish; | |
524 | ||
525 | r = LOAD_SYMBOL(symbol_xkb_context_unref, dl, "xkb_context_unref"); | |
526 | if (r < 0) | |
527 | goto finish; | |
528 | ||
529 | r = LOAD_SYMBOL(symbol_xkb_context_set_log_fn, dl, "xkb_context_set_log_fn"); | |
530 | if (r < 0) | |
531 | goto finish; | |
d4f5a1f4 | 532 | |
5de34470 LP |
533 | r = LOAD_SYMBOL(symbol_xkb_keymap_new_from_names, dl, "xkb_keymap_new_from_names"); |
534 | if (r < 0) | |
535 | goto finish; | |
536 | ||
537 | r = LOAD_SYMBOL(symbol_xkb_keymap_unref, dl, "xkb_keymap_unref"); | |
538 | if (r < 0) | |
539 | goto finish; | |
540 | ||
541 | ctx = symbol_xkb_context_new(XKB_CONTEXT_NO_ENVIRONMENT_NAMES); | |
d4f5a1f4 DH |
542 | if (!ctx) { |
543 | r = -ENOMEM; | |
5de34470 | 544 | goto finish; |
d4f5a1f4 DH |
545 | } |
546 | ||
5de34470 | 547 | symbol_xkb_context_set_log_fn(ctx, log_xkb); |
d4f5a1f4 | 548 | |
5de34470 | 549 | km = symbol_xkb_keymap_new_from_names(ctx, &rmlvo, XKB_KEYMAP_COMPILE_NO_FLAGS); |
d4f5a1f4 DH |
550 | if (!km) { |
551 | r = -EINVAL; | |
5de34470 | 552 | goto finish; |
d4f5a1f4 DH |
553 | } |
554 | ||
555 | r = 0; | |
556 | ||
5de34470 LP |
557 | finish: |
558 | if (symbol_xkb_keymap_unref && km) | |
559 | symbol_xkb_keymap_unref(km); | |
560 | ||
561 | if (symbol_xkb_context_unref && ctx) | |
562 | symbol_xkb_context_unref(ctx); | |
563 | ||
564 | (void) dlclose(dl); | |
d4f5a1f4 DH |
565 | return r; |
566 | } | |
5de34470 | 567 | |
d4f5a1f4 | 568 | #else |
5de34470 | 569 | |
d4f5a1f4 DH |
570 | static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) { |
571 | return 0; | |
572 | } | |
5de34470 | 573 | |
d4f5a1f4 DH |
574 | #endif |
575 | ||
19070062 | 576 | static int method_set_x11_keyboard(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
8d451309 | 577 | Context *c = userdata; |
8d451309 | 578 | const char *layout, *model, *variant, *options; |
b47ff73b | 579 | int convert, interactive, r; |
1822350d | 580 | |
19070062 LP |
581 | assert(m); |
582 | assert(c); | |
583 | ||
8d451309 KS |
584 | r = sd_bus_message_read(m, "ssssbb", &layout, &model, &variant, &options, &convert, &interactive); |
585 | if (r < 0) | |
ebcf1f97 | 586 | return r; |
1822350d | 587 | |
3c6f7c34 LP |
588 | layout = empty_to_null(layout); |
589 | model = empty_to_null(model); | |
590 | variant = empty_to_null(variant); | |
591 | options = empty_to_null(options); | |
1822350d | 592 | |
df4fd2c7 YW |
593 | r = x11_read_data(c, m); |
594 | if (r < 0) { | |
595 | log_error_errno(r, "Failed to read x11 keyboard layout data: %m"); | |
596 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Failed to read x11 keyboard layout data"); | |
597 | } | |
598 | ||
b47ff73b YW |
599 | if (streq_ptr(layout, c->x11_layout) && |
600 | streq_ptr(model, c->x11_model) && | |
601 | streq_ptr(variant, c->x11_variant) && | |
602 | streq_ptr(options, c->x11_options)) | |
603 | return sd_bus_reply_method_return(m, NULL); | |
604 | ||
605 | if ((layout && !string_is_safe(layout)) || | |
606 | (model && !string_is_safe(model)) || | |
607 | (variant && !string_is_safe(variant)) || | |
608 | (options && !string_is_safe(options))) | |
609 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Received invalid keyboard data"); | |
610 | ||
fe28d887 YW |
611 | r = verify_xkb_rmlvo(model, layout, variant, options); |
612 | if (r < 0) { | |
613 | log_error_errno(r, "Cannot compile XKB keymap for new x11 keyboard layout ('%s' / '%s' / '%s' / '%s'): %m", | |
614 | strempty(model), strempty(layout), strempty(variant), strempty(options)); | |
615 | ||
616 | if (r == -EOPNOTSUPP) | |
617 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Local keyboard configuration not supported on this system."); | |
618 | ||
619 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Specified keymap cannot be compiled, refusing as invalid."); | |
620 | } | |
621 | ||
b47ff73b YW |
622 | r = bus_verify_polkit_async( |
623 | m, | |
624 | CAP_SYS_ADMIN, | |
625 | "org.freedesktop.locale1.set-keyboard", | |
626 | NULL, | |
627 | interactive, | |
628 | UID_INVALID, | |
629 | &polkit_registry, | |
630 | error); | |
631 | if (r < 0) | |
632 | return r; | |
633 | if (r == 0) | |
634 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1822350d | 635 | |
b47ff73b YW |
636 | if (free_and_strdup(&c->x11_layout, layout) < 0 || |
637 | free_and_strdup(&c->x11_model, model) < 0 || | |
638 | free_and_strdup(&c->x11_variant, variant) < 0 || | |
639 | free_and_strdup(&c->x11_options, options) < 0) | |
640 | return -ENOMEM; | |
1822350d | 641 | |
b47ff73b YW |
642 | r = x11_write_data(c); |
643 | if (r < 0) { | |
644 | log_error_errno(r, "Failed to set X11 keyboard layout: %m"); | |
645 | return sd_bus_error_set_errnof(error, r, "Failed to set X11 keyboard layout: %m"); | |
646 | } | |
1822350d | 647 | |
b47ff73b YW |
648 | log_info("Changed X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'", |
649 | strempty(c->x11_layout), | |
650 | strempty(c->x11_model), | |
651 | strempty(c->x11_variant), | |
652 | strempty(c->x11_options)); | |
1822350d | 653 | |
b47ff73b YW |
654 | (void) sd_bus_emit_properties_changed( |
655 | sd_bus_message_get_bus(m), | |
656 | "/org/freedesktop/locale1", | |
657 | "org.freedesktop.locale1", | |
658 | "X11Layout", "X11Model", "X11Variant", "X11Options", NULL); | |
1822350d | 659 | |
b47ff73b | 660 | if (convert) { |
df4fd2c7 | 661 | r = x11_convert_to_vconsole_and_emit(c, m); |
b47ff73b YW |
662 | if (r < 0) |
663 | log_error_errno(r, "Failed to convert keymap data: %m"); | |
1822350d KS |
664 | } |
665 | ||
df2d202e | 666 | return sd_bus_reply_method_return(m, NULL); |
1822350d KS |
667 | } |
668 | ||
8d451309 KS |
669 | static const sd_bus_vtable locale_vtable[] = { |
670 | SD_BUS_VTABLE_START(0), | |
6d1bd3b2 | 671 | SD_BUS_PROPERTY("Locale", "as", property_get_locale, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
df4fd2c7 YW |
672 | SD_BUS_PROPERTY("X11Layout", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
673 | SD_BUS_PROPERTY("X11Model", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
674 | SD_BUS_PROPERTY("X11Variant", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
675 | SD_BUS_PROPERTY("X11Options", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
676 | SD_BUS_PROPERTY("VConsoleKeymap", "s", property_get_vconsole, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
677 | SD_BUS_PROPERTY("VConsoleKeymapToggle", "s", property_get_vconsole, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
adacb957 LP |
678 | SD_BUS_METHOD("SetLocale", "asb", NULL, method_set_locale, SD_BUS_VTABLE_UNPRIVILEGED), |
679 | SD_BUS_METHOD("SetVConsoleKeyboard", "ssbb", NULL, method_set_vc_keyboard, SD_BUS_VTABLE_UNPRIVILEGED), | |
680 | SD_BUS_METHOD("SetX11Keyboard", "ssssbb", NULL, method_set_x11_keyboard, SD_BUS_VTABLE_UNPRIVILEGED), | |
8d451309 KS |
681 | SD_BUS_VTABLE_END |
682 | }; | |
683 | ||
684 | static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { | |
4afd3348 | 685 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
1822350d KS |
686 | int r; |
687 | ||
8d451309 KS |
688 | assert(c); |
689 | assert(event); | |
1822350d KS |
690 | assert(_bus); |
691 | ||
76b54375 | 692 | r = sd_bus_default_system(&bus); |
f647962d MS |
693 | if (r < 0) |
694 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
1822350d | 695 | |
19befb2d | 696 | r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/locale1", "org.freedesktop.locale1", locale_vtable, c); |
f647962d MS |
697 | if (r < 0) |
698 | return log_error_errno(r, "Failed to register object: %m"); | |
1822350d | 699 | |
0c0b9306 | 700 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.locale1", 0, NULL, NULL); |
f647962d | 701 | if (r < 0) |
0c0b9306 | 702 | return log_error_errno(r, "Failed to request name: %m"); |
1822350d | 703 | |
8d451309 | 704 | r = sd_bus_attach_event(bus, event, 0); |
f647962d MS |
705 | if (r < 0) |
706 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
1822350d | 707 | |
1cc6c93a | 708 | *_bus = TAKE_PTR(bus); |
1822350d | 709 | |
8d451309 | 710 | return 0; |
1822350d KS |
711 | } |
712 | ||
713 | int main(int argc, char *argv[]) { | |
df4fd2c7 YW |
714 | _cleanup_(context_free) Context context = { |
715 | .locale_mtime = USEC_INFINITY, | |
716 | .vc_mtime = USEC_INFINITY, | |
717 | .x11_mtime = USEC_INFINITY, | |
718 | }; | |
4afd3348 LP |
719 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
720 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
1822350d | 721 | int r; |
1822350d KS |
722 | |
723 | log_set_target(LOG_TARGET_AUTO); | |
724 | log_parse_environment(); | |
725 | log_open(); | |
8d451309 | 726 | |
1822350d | 727 | umask(0022); |
c3dacc8b | 728 | mac_selinux_init(); |
1822350d | 729 | |
1822350d KS |
730 | if (argc != 1) { |
731 | log_error("This program takes no arguments."); | |
732 | r = -EINVAL; | |
733 | goto finish; | |
734 | } | |
735 | ||
50008ae4 YW |
736 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
737 | ||
afc6adb5 | 738 | r = sd_event_default(&event); |
1822350d | 739 | if (r < 0) { |
da927ba9 | 740 | log_error_errno(r, "Failed to allocate event loop: %m"); |
1822350d KS |
741 | goto finish; |
742 | } | |
743 | ||
50008ae4 YW |
744 | (void) sd_event_set_watchdog(event, true); |
745 | ||
746 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
4b670f86 LP |
747 | if (r < 0) { |
748 | log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
749 | goto finish; | |
750 | } | |
50008ae4 YW |
751 | |
752 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
4b670f86 LP |
753 | if (r < 0) { |
754 | log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
755 | goto finish; | |
756 | } | |
cde93897 | 757 | |
8d451309 | 758 | r = connect_bus(&context, event, &bus); |
1822350d KS |
759 | if (r < 0) |
760 | goto finish; | |
761 | ||
37224a5f | 762 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.locale1", DEFAULT_EXIT_USEC, NULL, NULL); |
4897d1dc | 763 | if (r < 0) |
da927ba9 | 764 | log_error_errno(r, "Failed to run event loop: %m"); |
1822350d | 765 | |
1822350d | 766 | finish: |
4897d1dc ZJS |
767 | bus_verify_polkit_async_registry_free(polkit_registry); |
768 | ||
1822350d KS |
769 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
770 | } |