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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
1822350d | 2 | |
1822350d KS |
3 | #include <errno.h> |
4 | #include <string.h> | |
ca78ad1d ZJS |
5 | #include <sys/stat.h> |
6 | #include <sys/types.h> | |
1822350d KS |
7 | #include <unistd.h> |
8 | ||
349cc4a5 | 9 | #if HAVE_XKBCOMMON |
3ffd4af2 | 10 | #include <xkbcommon/xkbcommon.h> |
5de34470 | 11 | #include <dlfcn.h> |
3ffd4af2 LP |
12 | #endif |
13 | ||
8d451309 KS |
14 | #include "sd-bus.h" |
15 | ||
b5efdb8a | 16 | #include "alloc-util.h" |
8d451309 KS |
17 | #include "bus-error.h" |
18 | #include "bus-message.h" | |
bb15fafe LP |
19 | #include "bus-util.h" |
20 | #include "def.h" | |
4897d1dc | 21 | #include "keymap-util.h" |
75683450 | 22 | #include "locale-util.h" |
4897d1dc | 23 | #include "macro.h" |
c6f09e6a | 24 | #include "main-func.h" |
36dd5ffd | 25 | #include "missing_capability.h" |
bb15fafe | 26 | #include "path-util.h" |
d7b8eec7 | 27 | #include "selinux-util.h" |
50008ae4 | 28 | #include "signal-util.h" |
4897d1dc | 29 | #include "string-util.h" |
bb15fafe | 30 | #include "strv.h" |
ee104e11 | 31 | #include "user-util.h" |
d4f5a1f4 | 32 | |
8d451309 KS |
33 | static int locale_update_system_manager(Context *c, sd_bus *bus) { |
34 | _cleanup_free_ char **l_unset = NULL; | |
35 | _cleanup_strv_free_ char **l_set = NULL; | |
4afd3348 | 36 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; |
8d451309 | 37 | sd_bus_error error = SD_BUS_ERROR_NULL; |
608eea8e LP |
38 | size_t c_set, c_unset; |
39 | LocaleVariable p; | |
8d451309 | 40 | int r; |
1822350d KS |
41 | |
42 | assert(bus); | |
43 | ||
78c97cbe | 44 | l_unset = new0(char*, _VARIABLE_LC_MAX); |
8d451309 | 45 | if (!l_unset) |
46e8b947 | 46 | return log_oom(); |
1822350d | 47 | |
78c97cbe | 48 | l_set = new0(char*, _VARIABLE_LC_MAX); |
8d451309 | 49 | if (!l_set) |
46e8b947 | 50 | return log_oom(); |
8d451309 | 51 | |
78c97cbe ZJS |
52 | for (p = 0, c_set = 0, c_unset = 0; p < _VARIABLE_LC_MAX; p++) { |
53 | const char *name; | |
54 | ||
55 | name = locale_variable_to_string(p); | |
56 | assert(name); | |
1822350d | 57 | |
8d451309 | 58 | if (isempty(c->locale[p])) |
78c97cbe | 59 | l_unset[c_set++] = (char*) name; |
1822350d KS |
60 | else { |
61 | char *s; | |
62 | ||
46e8b947 LP |
63 | s = strjoin(name, "=", c->locale[p]); |
64 | if (!s) | |
65 | return log_oom(); | |
1822350d KS |
66 | |
67 | l_set[c_unset++] = s; | |
68 | } | |
69 | } | |
70 | ||
78c97cbe | 71 | assert(c_set + c_unset == _VARIABLE_LC_MAX); |
151b9b96 | 72 | r = sd_bus_message_new_method_call(bus, &m, |
8d451309 KS |
73 | "org.freedesktop.systemd1", |
74 | "/org/freedesktop/systemd1", | |
75 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 76 | "UnsetAndSetEnvironment"); |
8d451309 | 77 | if (r < 0) |
46e8b947 | 78 | return bus_log_create_error(r); |
1822350d | 79 | |
8d451309 KS |
80 | r = sd_bus_message_append_strv(m, l_unset); |
81 | if (r < 0) | |
46e8b947 | 82 | return bus_log_create_error(r); |
1822350d | 83 | |
8d451309 KS |
84 | r = sd_bus_message_append_strv(m, l_set); |
85 | if (r < 0) | |
46e8b947 | 86 | return bus_log_create_error(r); |
1822350d | 87 | |
c49b30a2 | 88 | r = sd_bus_call(bus, m, 0, &error, NULL); |
8d451309 | 89 | if (r < 0) |
936d1136 | 90 | return log_error_errno(r, "Failed to update the manager environment: %s", bus_error_message(&error, r)); |
1822350d | 91 | |
8d451309 | 92 | return 0; |
1822350d KS |
93 | } |
94 | ||
8d451309 | 95 | static int vconsole_reload(sd_bus *bus) { |
4afd3348 | 96 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1822350d | 97 | int r; |
1822350d KS |
98 | |
99 | assert(bus); | |
100 | ||
8d451309 | 101 | r = sd_bus_call_method(bus, |
1822350d KS |
102 | "org.freedesktop.systemd1", |
103 | "/org/freedesktop/systemd1", | |
104 | "org.freedesktop.systemd1.Manager", | |
8d451309 KS |
105 | "RestartUnit", |
106 | &error, | |
107 | NULL, | |
108 | "ss", "systemd-vconsole-setup.service", "replace"); | |
1822350d | 109 | |
8d451309 | 110 | if (r < 0) |
26a93376 | 111 | return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r)); |
4ae25393 YW |
112 | |
113 | return 0; | |
1822350d KS |
114 | } |
115 | ||
df4fd2c7 | 116 | static int vconsole_convert_to_x11_and_emit(Context *c, sd_bus_message *m) { |
78bd12a0 | 117 | int r; |
0732ef7a | 118 | |
df4fd2c7 YW |
119 | assert(m); |
120 | ||
121 | r = x11_read_data(c, m); | |
122 | if (r < 0) | |
123 | return r; | |
4e829d21 | 124 | |
4897d1dc ZJS |
125 | r = vconsole_convert_to_x11(c); |
126 | if (r <= 0) | |
127 | return r; | |
4e829d21 | 128 | |
4897d1dc ZJS |
129 | /* modified */ |
130 | r = x11_write_data(c); | |
131 | if (r < 0) | |
132 | return log_error_errno(r, "Failed to write X11 keyboard layout: %m"); | |
4e829d21 | 133 | |
df4fd2c7 | 134 | sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
4897d1dc ZJS |
135 | "/org/freedesktop/locale1", |
136 | "org.freedesktop.locale1", | |
137 | "X11Layout", "X11Model", "X11Variant", "X11Options", NULL); | |
4e829d21 | 138 | |
4897d1dc | 139 | return 1; |
4e829d21 ZJS |
140 | } |
141 | ||
df4fd2c7 | 142 | static int x11_convert_to_vconsole_and_emit(Context *c, sd_bus_message *m) { |
0732ef7a | 143 | int r; |
1822350d | 144 | |
df4fd2c7 YW |
145 | assert(m); |
146 | ||
147 | r = vconsole_read_data(c, m); | |
148 | if (r < 0) | |
149 | return r; | |
1822350d | 150 | |
4897d1dc ZJS |
151 | r = x11_convert_to_vconsole(c); |
152 | if (r <= 0) | |
153 | return r; | |
502f9614 | 154 | |
4897d1dc ZJS |
155 | /* modified */ |
156 | r = vconsole_write_data(c); | |
157 | if (r < 0) | |
158 | log_error_errno(r, "Failed to save virtual console keymap: %m"); | |
1822350d | 159 | |
df4fd2c7 | 160 | sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
4897d1dc ZJS |
161 | "/org/freedesktop/locale1", |
162 | "org.freedesktop.locale1", | |
163 | "VConsoleKeymap", "VConsoleKeymapToggle", NULL); | |
1822350d | 164 | |
df4fd2c7 | 165 | return vconsole_reload(sd_bus_message_get_bus(m)); |
1822350d KS |
166 | } |
167 | ||
ebcf1f97 LP |
168 | static int property_get_locale( |
169 | sd_bus *bus, | |
170 | const char *path, | |
171 | const char *interface, | |
172 | const char *property, | |
173 | sd_bus_message *reply, | |
174 | void *userdata, | |
175 | sd_bus_error *error) { | |
176 | ||
8d451309 | 177 | Context *c = userdata; |
b47d419c | 178 | _cleanup_strv_free_ char **l = NULL; |
df4fd2c7 YW |
179 | int p, q, r; |
180 | ||
181 | r = locale_read_data(c, reply); | |
182 | if (r < 0) | |
183 | return r; | |
1822350d | 184 | |
78c97cbe | 185 | l = new0(char*, _VARIABLE_LC_MAX+1); |
1822350d KS |
186 | if (!l) |
187 | return -ENOMEM; | |
188 | ||
78c97cbe | 189 | for (p = 0, q = 0; p < _VARIABLE_LC_MAX; p++) { |
1822350d | 190 | char *t; |
78c97cbe ZJS |
191 | const char *name; |
192 | ||
193 | name = locale_variable_to_string(p); | |
194 | assert(name); | |
1822350d | 195 | |
8d451309 | 196 | if (isempty(c->locale[p])) |
1822350d KS |
197 | continue; |
198 | ||
78c97cbe | 199 | if (asprintf(&t, "%s=%s", name, c->locale[p]) < 0) |
1822350d | 200 | return -ENOMEM; |
1822350d | 201 | |
8d451309 | 202 | l[q++] = t; |
1822350d KS |
203 | } |
204 | ||
8d451309 | 205 | return sd_bus_message_append_strv(reply, l); |
1822350d KS |
206 | } |
207 | ||
df4fd2c7 YW |
208 | static int property_get_vconsole( |
209 | sd_bus *bus, | |
210 | const char *path, | |
211 | const char *interface, | |
212 | const char *property, | |
213 | sd_bus_message *reply, | |
214 | void *userdata, | |
215 | sd_bus_error *error) { | |
216 | ||
217 | Context *c = userdata; | |
218 | int r; | |
219 | ||
220 | r = vconsole_read_data(c, reply); | |
221 | if (r < 0) | |
222 | return r; | |
223 | ||
224 | if (streq(property, "VConsoleKeymap")) | |
225 | return sd_bus_message_append_basic(reply, 's', c->vc_keymap); | |
226 | else if (streq(property, "VConsoleKeymapToggle")) | |
227 | return sd_bus_message_append_basic(reply, 's', c->vc_keymap_toggle); | |
228 | ||
229 | return -EINVAL; | |
230 | } | |
231 | ||
232 | static int property_get_xkb( | |
233 | sd_bus *bus, | |
234 | const char *path, | |
235 | const char *interface, | |
236 | const char *property, | |
237 | sd_bus_message *reply, | |
238 | void *userdata, | |
239 | sd_bus_error *error) { | |
240 | ||
241 | Context *c = userdata; | |
242 | int r; | |
243 | ||
244 | r = x11_read_data(c, reply); | |
245 | if (r < 0) | |
246 | return r; | |
247 | ||
248 | if (streq(property, "X11Layout")) | |
249 | return sd_bus_message_append_basic(reply, 's', c->x11_layout); | |
250 | else if (streq(property, "X11Model")) | |
251 | return sd_bus_message_append_basic(reply, 's', c->x11_model); | |
252 | else if (streq(property, "X11Variant")) | |
253 | return sd_bus_message_append_basic(reply, 's', c->x11_variant); | |
254 | else if (streq(property, "X11Options")) | |
255 | return sd_bus_message_append_basic(reply, 's', c->x11_options); | |
256 | ||
257 | return -EINVAL; | |
258 | } | |
259 | ||
19070062 | 260 | static int method_set_locale(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
e6755a33 | 261 | _cleanup_(locale_variables_freep) char *new_locale[_VARIABLE_LC_MAX] = {}; |
df4fd2c7 | 262 | _cleanup_strv_free_ char **settings = NULL, **l = NULL; |
e6755a33 | 263 | Context *c = userdata; |
8d451309 | 264 | bool modified = false; |
df4fd2c7 | 265 | int interactive, p, r; |
e6755a33 | 266 | char **i; |
1822350d | 267 | |
19070062 LP |
268 | assert(m); |
269 | assert(c); | |
270 | ||
8d451309 KS |
271 | r = bus_message_read_strv_extend(m, &l); |
272 | if (r < 0) | |
ebcf1f97 | 273 | return r; |
1822350d | 274 | |
8d451309 KS |
275 | r = sd_bus_message_read_basic(m, 'b', &interactive); |
276 | if (r < 0) | |
ebcf1f97 | 277 | return r; |
1822350d | 278 | |
4156e767 YW |
279 | /* If single locale without variable name is provided, then we assume it is LANG=. */ |
280 | if (strv_length(l) == 1 && !strchr(*l, '=')) { | |
281 | if (!locale_is_valid(*l)) | |
282 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid Locale data."); | |
283 | ||
284 | new_locale[VARIABLE_LANG] = strdup(*l); | |
285 | if (!new_locale[VARIABLE_LANG]) | |
286 | return -ENOMEM; | |
287 | ||
288 | l = strv_free(l); | |
289 | } | |
290 | ||
df4fd2c7 | 291 | /* Check whether a variable is valid */ |
8d451309 KS |
292 | STRV_FOREACH(i, l) { |
293 | bool valid = false; | |
1822350d | 294 | |
78c97cbe | 295 | for (p = 0; p < _VARIABLE_LC_MAX; p++) { |
8d451309 | 296 | size_t k; |
78c97cbe | 297 | const char *name; |
1822350d | 298 | |
78c97cbe ZJS |
299 | name = locale_variable_to_string(p); |
300 | assert(name); | |
301 | ||
302 | k = strlen(name); | |
303 | if (startswith(*i, name) && | |
8d451309 | 304 | (*i)[k] == '=' && |
75683450 | 305 | locale_is_valid((*i) + k + 1)) { |
8d451309 | 306 | valid = true; |
1822350d | 307 | |
df4fd2c7 YW |
308 | new_locale[p] = strdup((*i) + k + 1); |
309 | if (!new_locale[p]) | |
310 | return -ENOMEM; | |
1822350d | 311 | |
8d451309 KS |
312 | break; |
313 | } | |
1822350d KS |
314 | } |
315 | ||
8d451309 | 316 | if (!valid) |
ebcf1f97 | 317 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid Locale data."); |
8d451309 | 318 | } |
1822350d | 319 | |
4e829d21 ZJS |
320 | /* If LANG was specified, but not LANGUAGE, check if we should |
321 | * set it based on the language fallback table. */ | |
df4fd2c7 YW |
322 | if (!isempty(new_locale[VARIABLE_LANG]) && |
323 | isempty(new_locale[VARIABLE_LANGUAGE])) { | |
4e829d21 ZJS |
324 | _cleanup_free_ char *language = NULL; |
325 | ||
df4fd2c7 | 326 | (void) find_language_fallback(new_locale[VARIABLE_LANG], &language); |
4e829d21 | 327 | if (language) { |
df4fd2c7 YW |
328 | log_debug("Converted LANG=%s to LANGUAGE=%s", new_locale[VARIABLE_LANG], language); |
329 | free_and_replace(new_locale[VARIABLE_LANGUAGE], language); | |
4e829d21 ZJS |
330 | } |
331 | } | |
332 | ||
df4fd2c7 YW |
333 | r = locale_read_data(c, m); |
334 | if (r < 0) { | |
335 | log_error_errno(r, "Failed to read locale data: %m"); | |
336 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Failed to read locale data"); | |
337 | } | |
8d451309 | 338 | |
df4fd2c7 YW |
339 | /* Merge with the current settings */ |
340 | for (p = 0; p < _VARIABLE_LC_MAX; p++) | |
341 | if (!isempty(c->locale[p]) && isempty(new_locale[p])) { | |
342 | new_locale[p] = strdup(c->locale[p]); | |
343 | if (!new_locale[p]) | |
344 | return -ENOMEM; | |
345 | } | |
1822350d | 346 | |
df4fd2c7 | 347 | locale_simplify(new_locale); |
1822350d | 348 | |
df4fd2c7 YW |
349 | for (p = 0; p < _VARIABLE_LC_MAX; p++) |
350 | if (!streq_ptr(c->locale[p], new_locale[p])) { | |
351 | modified = true; | |
352 | break; | |
8d451309 | 353 | } |
1822350d | 354 | |
df4fd2c7 YW |
355 | if (!modified) { |
356 | log_debug("Locale settings were not modified."); | |
357 | return sd_bus_reply_method_return(m, NULL); | |
358 | } | |
1822350d | 359 | |
df4fd2c7 YW |
360 | r = bus_verify_polkit_async( |
361 | m, | |
362 | CAP_SYS_ADMIN, | |
363 | "org.freedesktop.locale1.set-locale", | |
364 | NULL, | |
365 | interactive, | |
366 | UID_INVALID, | |
af7865c1 | 367 | &c->polkit_registry, |
df4fd2c7 YW |
368 | error); |
369 | if (r < 0) | |
370 | return r; | |
371 | if (r == 0) | |
372 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1822350d | 373 | |
df4fd2c7 YW |
374 | for (p = 0; p < _VARIABLE_LC_MAX; p++) |
375 | free_and_replace(c->locale[p], new_locale[p]); | |
1822350d | 376 | |
df4fd2c7 YW |
377 | r = locale_write_data(c, &settings); |
378 | if (r < 0) { | |
379 | log_error_errno(r, "Failed to set locale: %m"); | |
380 | return sd_bus_error_set_errnof(error, r, "Failed to set locale: %m"); | |
381 | } | |
502f9614 | 382 | |
df4fd2c7 | 383 | (void) locale_update_system_manager(c, sd_bus_message_get_bus(m)); |
1822350d | 384 | |
df4fd2c7 YW |
385 | if (settings) { |
386 | _cleanup_free_ char *line; | |
387 | ||
388 | line = strv_join(settings, ", "); | |
389 | log_info("Changed locale to %s.", strnull(line)); | |
502f9614 | 390 | } else |
df4fd2c7 YW |
391 | log_info("Changed locale to unset."); |
392 | ||
393 | (void) sd_bus_emit_properties_changed( | |
394 | sd_bus_message_get_bus(m), | |
395 | "/org/freedesktop/locale1", | |
396 | "org.freedesktop.locale1", | |
397 | "Locale", NULL); | |
502f9614 | 398 | |
df2d202e | 399 | return sd_bus_reply_method_return(m, NULL); |
8d451309 | 400 | } |
1822350d | 401 | |
19070062 | 402 | static int method_set_vc_keyboard(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
8d451309 | 403 | Context *c = userdata; |
8d451309 | 404 | const char *keymap, *keymap_toggle; |
b47ff73b | 405 | int convert, interactive, r; |
f2cc3753 | 406 | |
19070062 LP |
407 | assert(m); |
408 | assert(c); | |
409 | ||
8d451309 KS |
410 | r = sd_bus_message_read(m, "ssbb", &keymap, &keymap_toggle, &convert, &interactive); |
411 | if (r < 0) | |
ebcf1f97 | 412 | return r; |
1822350d | 413 | |
3c6f7c34 LP |
414 | keymap = empty_to_null(keymap); |
415 | keymap_toggle = empty_to_null(keymap_toggle); | |
1822350d | 416 | |
df4fd2c7 YW |
417 | r = vconsole_read_data(c, m); |
418 | if (r < 0) { | |
419 | log_error_errno(r, "Failed to read virtual console keymap data: %m"); | |
420 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Failed to read virtual console keymap data"); | |
421 | } | |
422 | ||
b47ff73b YW |
423 | if (streq_ptr(keymap, c->vc_keymap) && |
424 | streq_ptr(keymap_toggle, c->vc_keymap_toggle)) | |
425 | return sd_bus_reply_method_return(m, NULL); | |
1822350d | 426 | |
b47ff73b YW |
427 | if ((keymap && (!filename_is_valid(keymap) || !string_is_safe(keymap))) || |
428 | (keymap_toggle && (!filename_is_valid(keymap_toggle) || !string_is_safe(keymap_toggle)))) | |
429 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Received invalid keymap data"); | |
1822350d | 430 | |
b47ff73b YW |
431 | r = bus_verify_polkit_async( |
432 | m, | |
433 | CAP_SYS_ADMIN, | |
434 | "org.freedesktop.locale1.set-keyboard", | |
435 | NULL, | |
436 | interactive, | |
437 | UID_INVALID, | |
af7865c1 | 438 | &c->polkit_registry, |
b47ff73b YW |
439 | error); |
440 | if (r < 0) | |
441 | return r; | |
442 | if (r == 0) | |
443 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1822350d | 444 | |
b47ff73b YW |
445 | if (free_and_strdup(&c->vc_keymap, keymap) < 0 || |
446 | free_and_strdup(&c->vc_keymap_toggle, keymap_toggle) < 0) | |
447 | return -ENOMEM; | |
0b507b17 | 448 | |
b47ff73b YW |
449 | r = vconsole_write_data(c); |
450 | if (r < 0) { | |
451 | log_error_errno(r, "Failed to set virtual console keymap: %m"); | |
452 | return sd_bus_error_set_errnof(error, r, "Failed to set virtual console keymap: %m"); | |
453 | } | |
1822350d | 454 | |
b47ff73b YW |
455 | log_info("Changed virtual console keymap to '%s' toggle '%s'", |
456 | strempty(c->vc_keymap), strempty(c->vc_keymap_toggle)); | |
1822350d | 457 | |
26a93376 | 458 | (void) vconsole_reload(sd_bus_message_get_bus(m)); |
1822350d | 459 | |
b47ff73b YW |
460 | (void) sd_bus_emit_properties_changed( |
461 | sd_bus_message_get_bus(m), | |
462 | "/org/freedesktop/locale1", | |
463 | "org.freedesktop.locale1", | |
464 | "VConsoleKeymap", "VConsoleKeymapToggle", NULL); | |
1822350d | 465 | |
b47ff73b | 466 | if (convert) { |
df4fd2c7 | 467 | r = vconsole_convert_to_x11_and_emit(c, m); |
b47ff73b YW |
468 | if (r < 0) |
469 | log_error_errno(r, "Failed to convert keymap data: %m"); | |
8d451309 | 470 | } |
1822350d | 471 | |
df2d202e | 472 | return sd_bus_reply_method_return(m, NULL); |
8d451309 | 473 | } |
1822350d | 474 | |
349cc4a5 | 475 | #if HAVE_XKBCOMMON |
5de34470 | 476 | |
3cb063fd | 477 | _printf_(3, 0) |
d4f5a1f4 | 478 | static void log_xkb(struct xkb_context *ctx, enum xkb_log_level lvl, const char *format, va_list args) { |
8433e339 JS |
479 | const char *fmt; |
480 | ||
63c372cb | 481 | fmt = strjoina("libxkbcommon: ", format); |
032b7541 ZJS |
482 | #pragma GCC diagnostic push |
483 | #pragma GCC diagnostic ignored "-Wformat-nonliteral" | |
8433e339 | 484 | log_internalv(LOG_DEBUG, 0, __FILE__, __LINE__, __func__, fmt, args); |
032b7541 | 485 | #pragma GCC diagnostic pop |
d4f5a1f4 DH |
486 | } |
487 | ||
5de34470 LP |
488 | #define LOAD_SYMBOL(symbol, dl, name) \ |
489 | ({ \ | |
490 | (symbol) = (typeof(symbol)) dlvsym((dl), (name), "V_0.5.0"); \ | |
491 | (symbol) ? 0 : -EOPNOTSUPP; \ | |
492 | }) | |
493 | ||
d4f5a1f4 | 494 | static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) { |
5de34470 LP |
495 | |
496 | /* We dlopen() the library in order to make the dependency soft. The library (and what it pulls in) is huge | |
497 | * after all, hence let's support XKB maps when the library is around, and refuse otherwise. The function | |
498 | * pointers to the shared library are below: */ | |
499 | ||
500 | struct xkb_context* (*symbol_xkb_context_new)(enum xkb_context_flags flags) = NULL; | |
501 | void (*symbol_xkb_context_unref)(struct xkb_context *context) = NULL; | |
502 | 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; | |
503 | 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; | |
504 | void (*symbol_xkb_keymap_unref)(struct xkb_keymap *keymap) = NULL; | |
505 | ||
d4f5a1f4 DH |
506 | const struct xkb_rule_names rmlvo = { |
507 | .model = model, | |
508 | .layout = layout, | |
509 | .variant = variant, | |
510 | .options = options, | |
511 | }; | |
512 | struct xkb_context *ctx = NULL; | |
513 | struct xkb_keymap *km = NULL; | |
5de34470 | 514 | void *dl; |
d4f5a1f4 DH |
515 | int r; |
516 | ||
5de34470 LP |
517 | /* Compile keymap from RMLVO information to check out its validity */ |
518 | ||
519 | dl = dlopen("libxkbcommon.so.0", RTLD_LAZY); | |
520 | if (!dl) | |
521 | return -EOPNOTSUPP; | |
522 | ||
523 | r = LOAD_SYMBOL(symbol_xkb_context_new, dl, "xkb_context_new"); | |
524 | if (r < 0) | |
525 | goto finish; | |
526 | ||
527 | r = LOAD_SYMBOL(symbol_xkb_context_unref, dl, "xkb_context_unref"); | |
528 | if (r < 0) | |
529 | goto finish; | |
530 | ||
531 | r = LOAD_SYMBOL(symbol_xkb_context_set_log_fn, dl, "xkb_context_set_log_fn"); | |
532 | if (r < 0) | |
533 | goto finish; | |
d4f5a1f4 | 534 | |
5de34470 LP |
535 | r = LOAD_SYMBOL(symbol_xkb_keymap_new_from_names, dl, "xkb_keymap_new_from_names"); |
536 | if (r < 0) | |
537 | goto finish; | |
538 | ||
539 | r = LOAD_SYMBOL(symbol_xkb_keymap_unref, dl, "xkb_keymap_unref"); | |
540 | if (r < 0) | |
541 | goto finish; | |
542 | ||
543 | ctx = symbol_xkb_context_new(XKB_CONTEXT_NO_ENVIRONMENT_NAMES); | |
d4f5a1f4 DH |
544 | if (!ctx) { |
545 | r = -ENOMEM; | |
5de34470 | 546 | goto finish; |
d4f5a1f4 DH |
547 | } |
548 | ||
5de34470 | 549 | symbol_xkb_context_set_log_fn(ctx, log_xkb); |
d4f5a1f4 | 550 | |
5de34470 | 551 | km = symbol_xkb_keymap_new_from_names(ctx, &rmlvo, XKB_KEYMAP_COMPILE_NO_FLAGS); |
d4f5a1f4 DH |
552 | if (!km) { |
553 | r = -EINVAL; | |
5de34470 | 554 | goto finish; |
d4f5a1f4 DH |
555 | } |
556 | ||
557 | r = 0; | |
558 | ||
5de34470 LP |
559 | finish: |
560 | if (symbol_xkb_keymap_unref && km) | |
561 | symbol_xkb_keymap_unref(km); | |
562 | ||
563 | if (symbol_xkb_context_unref && ctx) | |
564 | symbol_xkb_context_unref(ctx); | |
565 | ||
566 | (void) dlclose(dl); | |
d4f5a1f4 DH |
567 | return r; |
568 | } | |
5de34470 | 569 | |
d4f5a1f4 | 570 | #else |
5de34470 | 571 | |
d4f5a1f4 DH |
572 | static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) { |
573 | return 0; | |
574 | } | |
5de34470 | 575 | |
d4f5a1f4 DH |
576 | #endif |
577 | ||
19070062 | 578 | static int method_set_x11_keyboard(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
8d451309 | 579 | Context *c = userdata; |
8d451309 | 580 | const char *layout, *model, *variant, *options; |
b47ff73b | 581 | int convert, interactive, r; |
1822350d | 582 | |
19070062 LP |
583 | assert(m); |
584 | assert(c); | |
585 | ||
8d451309 KS |
586 | r = sd_bus_message_read(m, "ssssbb", &layout, &model, &variant, &options, &convert, &interactive); |
587 | if (r < 0) | |
ebcf1f97 | 588 | return r; |
1822350d | 589 | |
3c6f7c34 LP |
590 | layout = empty_to_null(layout); |
591 | model = empty_to_null(model); | |
592 | variant = empty_to_null(variant); | |
593 | options = empty_to_null(options); | |
1822350d | 594 | |
df4fd2c7 YW |
595 | r = x11_read_data(c, m); |
596 | if (r < 0) { | |
597 | log_error_errno(r, "Failed to read x11 keyboard layout data: %m"); | |
598 | return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Failed to read x11 keyboard layout data"); | |
599 | } | |
600 | ||
b47ff73b YW |
601 | if (streq_ptr(layout, c->x11_layout) && |
602 | streq_ptr(model, c->x11_model) && | |
603 | streq_ptr(variant, c->x11_variant) && | |
604 | streq_ptr(options, c->x11_options)) | |
605 | return sd_bus_reply_method_return(m, NULL); | |
606 | ||
607 | if ((layout && !string_is_safe(layout)) || | |
608 | (model && !string_is_safe(model)) || | |
609 | (variant && !string_is_safe(variant)) || | |
610 | (options && !string_is_safe(options))) | |
611 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Received invalid keyboard data"); | |
612 | ||
fe28d887 YW |
613 | r = verify_xkb_rmlvo(model, layout, variant, options); |
614 | if (r < 0) { | |
615 | log_error_errno(r, "Cannot compile XKB keymap for new x11 keyboard layout ('%s' / '%s' / '%s' / '%s'): %m", | |
616 | strempty(model), strempty(layout), strempty(variant), strempty(options)); | |
617 | ||
618 | if (r == -EOPNOTSUPP) | |
619 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Local keyboard configuration not supported on this system."); | |
620 | ||
621 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Specified keymap cannot be compiled, refusing as invalid."); | |
622 | } | |
623 | ||
b47ff73b YW |
624 | r = bus_verify_polkit_async( |
625 | m, | |
626 | CAP_SYS_ADMIN, | |
627 | "org.freedesktop.locale1.set-keyboard", | |
628 | NULL, | |
629 | interactive, | |
630 | UID_INVALID, | |
af7865c1 | 631 | &c->polkit_registry, |
b47ff73b YW |
632 | error); |
633 | if (r < 0) | |
634 | return r; | |
635 | if (r == 0) | |
636 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1822350d | 637 | |
b47ff73b YW |
638 | if (free_and_strdup(&c->x11_layout, layout) < 0 || |
639 | free_and_strdup(&c->x11_model, model) < 0 || | |
640 | free_and_strdup(&c->x11_variant, variant) < 0 || | |
641 | free_and_strdup(&c->x11_options, options) < 0) | |
642 | return -ENOMEM; | |
1822350d | 643 | |
b47ff73b YW |
644 | r = x11_write_data(c); |
645 | if (r < 0) { | |
646 | log_error_errno(r, "Failed to set X11 keyboard layout: %m"); | |
647 | return sd_bus_error_set_errnof(error, r, "Failed to set X11 keyboard layout: %m"); | |
648 | } | |
1822350d | 649 | |
b47ff73b YW |
650 | log_info("Changed X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'", |
651 | strempty(c->x11_layout), | |
652 | strempty(c->x11_model), | |
653 | strempty(c->x11_variant), | |
654 | strempty(c->x11_options)); | |
1822350d | 655 | |
b47ff73b YW |
656 | (void) sd_bus_emit_properties_changed( |
657 | sd_bus_message_get_bus(m), | |
658 | "/org/freedesktop/locale1", | |
659 | "org.freedesktop.locale1", | |
660 | "X11Layout", "X11Model", "X11Variant", "X11Options", NULL); | |
1822350d | 661 | |
b47ff73b | 662 | if (convert) { |
df4fd2c7 | 663 | r = x11_convert_to_vconsole_and_emit(c, m); |
b47ff73b YW |
664 | if (r < 0) |
665 | log_error_errno(r, "Failed to convert keymap data: %m"); | |
1822350d KS |
666 | } |
667 | ||
df2d202e | 668 | return sd_bus_reply_method_return(m, NULL); |
1822350d KS |
669 | } |
670 | ||
8d451309 KS |
671 | static const sd_bus_vtable locale_vtable[] = { |
672 | SD_BUS_VTABLE_START(0), | |
6d1bd3b2 | 673 | SD_BUS_PROPERTY("Locale", "as", property_get_locale, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
df4fd2c7 YW |
674 | SD_BUS_PROPERTY("X11Layout", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
675 | SD_BUS_PROPERTY("X11Model", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
676 | SD_BUS_PROPERTY("X11Variant", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
677 | SD_BUS_PROPERTY("X11Options", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
678 | SD_BUS_PROPERTY("VConsoleKeymap", "s", property_get_vconsole, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
679 | SD_BUS_PROPERTY("VConsoleKeymapToggle", "s", property_get_vconsole, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
adacb957 LP |
680 | SD_BUS_METHOD("SetLocale", "asb", NULL, method_set_locale, SD_BUS_VTABLE_UNPRIVILEGED), |
681 | SD_BUS_METHOD("SetVConsoleKeyboard", "ssbb", NULL, method_set_vc_keyboard, SD_BUS_VTABLE_UNPRIVILEGED), | |
682 | SD_BUS_METHOD("SetX11Keyboard", "ssssbb", NULL, method_set_x11_keyboard, SD_BUS_VTABLE_UNPRIVILEGED), | |
8d451309 KS |
683 | SD_BUS_VTABLE_END |
684 | }; | |
685 | ||
686 | static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { | |
4afd3348 | 687 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
1822350d KS |
688 | int r; |
689 | ||
8d451309 KS |
690 | assert(c); |
691 | assert(event); | |
1822350d KS |
692 | assert(_bus); |
693 | ||
76b54375 | 694 | r = sd_bus_default_system(&bus); |
f647962d MS |
695 | if (r < 0) |
696 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
1822350d | 697 | |
19befb2d | 698 | r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/locale1", "org.freedesktop.locale1", locale_vtable, c); |
f647962d MS |
699 | if (r < 0) |
700 | return log_error_errno(r, "Failed to register object: %m"); | |
1822350d | 701 | |
0c0b9306 | 702 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.locale1", 0, NULL, NULL); |
f647962d | 703 | if (r < 0) |
0c0b9306 | 704 | return log_error_errno(r, "Failed to request name: %m"); |
1822350d | 705 | |
8d451309 | 706 | r = sd_bus_attach_event(bus, event, 0); |
f647962d MS |
707 | if (r < 0) |
708 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
1822350d | 709 | |
1cc6c93a | 710 | *_bus = TAKE_PTR(bus); |
1822350d | 711 | |
8d451309 | 712 | return 0; |
1822350d KS |
713 | } |
714 | ||
c6f09e6a | 715 | static int run(int argc, char *argv[]) { |
6804d7a8 | 716 | _cleanup_(context_clear) Context context = { |
df4fd2c7 YW |
717 | .locale_mtime = USEC_INFINITY, |
718 | .vc_mtime = USEC_INFINITY, | |
719 | .x11_mtime = USEC_INFINITY, | |
720 | }; | |
4afd3348 LP |
721 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
722 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
1822350d | 723 | int r; |
1822350d | 724 | |
6bf3c61c | 725 | log_setup_service(); |
8d451309 | 726 | |
1822350d | 727 | umask(0022); |
c3dacc8b | 728 | mac_selinux_init(); |
1822350d | 729 | |
c6f09e6a YW |
730 | if (argc != 1) |
731 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "This program takes no arguments."); | |
1822350d | 732 | |
50008ae4 YW |
733 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
734 | ||
afc6adb5 | 735 | r = sd_event_default(&event); |
c6f09e6a YW |
736 | if (r < 0) |
737 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
1822350d | 738 | |
50008ae4 YW |
739 | (void) sd_event_set_watchdog(event, true); |
740 | ||
741 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
c6f09e6a YW |
742 | if (r < 0) |
743 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
50008ae4 YW |
744 | |
745 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
c6f09e6a YW |
746 | if (r < 0) |
747 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 748 | |
8d451309 | 749 | r = connect_bus(&context, event, &bus); |
1822350d | 750 | if (r < 0) |
c6f09e6a | 751 | return r; |
1822350d | 752 | |
37224a5f | 753 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.locale1", DEFAULT_EXIT_USEC, NULL, NULL); |
4897d1dc | 754 | if (r < 0) |
c6f09e6a | 755 | return log_error_errno(r, "Failed to run event loop: %m"); |
1822350d | 756 | |
c6f09e6a | 757 | return 0; |
1822350d | 758 | } |
c6f09e6a YW |
759 | |
760 | DEFINE_MAIN_FUNCTION(run); |