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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
f401e48c | 2 | |
f401e48c LP |
3 | #include <errno.h> |
4 | #include <string.h> | |
ca78ad1d ZJS |
5 | #include <sys/stat.h> |
6 | #include <sys/types.h> | |
f401e48c LP |
7 | #include <unistd.h> |
8 | ||
40ca29a1 | 9 | #include "sd-bus.h" |
f4f15635 LP |
10 | #include "sd-event.h" |
11 | #include "sd-messages.h" | |
40ca29a1 | 12 | |
b5efdb8a | 13 | #include "alloc-util.h" |
96aad8d1 | 14 | #include "bus-common-errors.h" |
f4f15635 LP |
15 | #include "bus-error.h" |
16 | #include "bus-util.h" | |
17 | #include "clock-util.h" | |
afaae43b | 18 | #include "conf-files.h" |
f4f15635 | 19 | #include "def.h" |
afaae43b | 20 | #include "fd-util.h" |
f4f15635 | 21 | #include "fileio-label.h" |
e4de7287 | 22 | #include "fileio.h" |
f4f15635 | 23 | #include "fs-util.h" |
5d280742 YW |
24 | #include "hashmap.h" |
25 | #include "list.h" | |
1f47bc33 | 26 | #include "main-func.h" |
0a970718 | 27 | #include "memory-util.h" |
36dd5ffd | 28 | #include "missing_capability.h" |
f4f15635 | 29 | #include "path-util.h" |
d7b8eec7 | 30 | #include "selinux-util.h" |
754f0269 | 31 | #include "signal-util.h" |
5d280742 | 32 | #include "string-util.h" |
f4f15635 | 33 | #include "strv.h" |
5d280742 YW |
34 | #include "unit-def.h" |
35 | #include "unit-name.h" | |
ee104e11 | 36 | #include "user-util.h" |
f401e48c LP |
37 | |
38 | #define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n" | |
39 | #define NULL_ADJTIME_LOCAL "0.0 0 0\n0\nLOCAL\n" | |
40 | ||
afaae43b ZJS |
41 | #define UNIT_LIST_DIRS (const char* const*) CONF_PATHS_STRV("systemd/ntp-units.d") |
42 | ||
5d280742 YW |
43 | typedef struct UnitStatusInfo { |
44 | char *name; | |
45 | char *load_state; | |
46 | char *unit_file_state; | |
47 | char *active_state; | |
cf3872bd | 48 | char *path; |
5d280742 YW |
49 | |
50 | LIST_FIELDS(struct UnitStatusInfo, units); | |
51 | } UnitStatusInfo; | |
52 | ||
40ca29a1 | 53 | typedef struct Context { |
d200735e MS |
54 | char *zone; |
55 | bool local_rtc; | |
40ca29a1 | 56 | Hashmap *polkit_registry; |
2770af85 | 57 | sd_bus_message *cache; |
5d280742 | 58 | |
3af0a96c | 59 | sd_bus_slot *slot_job_removed; |
3af0a96c | 60 | |
5d280742 | 61 | LIST_HEAD(UnitStatusInfo, units); |
40ca29a1 | 62 | } Context; |
f401e48c | 63 | |
5d280742 YW |
64 | static void unit_status_info_clear(UnitStatusInfo *p) { |
65 | assert(p); | |
66 | ||
67 | p->load_state = mfree(p->load_state); | |
68 | p->unit_file_state = mfree(p->unit_file_state); | |
69 | p->active_state = mfree(p->active_state); | |
70 | } | |
71 | ||
72 | static void unit_status_info_free(UnitStatusInfo *p) { | |
73 | assert(p); | |
74 | ||
75 | unit_status_info_clear(p); | |
76 | free(p->name); | |
cf3872bd | 77 | free(p->path); |
5d280742 YW |
78 | free(p); |
79 | } | |
80 | ||
1f47bc33 | 81 | static void context_clear(Context *c) { |
5d280742 YW |
82 | UnitStatusInfo *p; |
83 | ||
40ca29a1 | 84 | assert(c); |
f401e48c | 85 | |
82d115d9 | 86 | free(c->zone); |
36e34057 | 87 | bus_verify_polkit_async_registry_free(c->polkit_registry); |
2770af85 | 88 | sd_bus_message_unref(c->cache); |
5d280742 | 89 | |
3af0a96c | 90 | sd_bus_slot_unref(c->slot_job_removed); |
3af0a96c | 91 | |
5d280742 YW |
92 | while ((p = c->units)) { |
93 | LIST_REMOVE(units, c->units, p); | |
94 | unit_status_info_free(p); | |
95 | } | |
96 | } | |
97 | ||
98 | static int context_add_ntp_service(Context *c, const char *s) { | |
5d280742 YW |
99 | UnitStatusInfo *u; |
100 | ||
101 | if (!unit_name_is_valid(s, UNIT_NAME_PLAIN)) | |
102 | return -EINVAL; | |
103 | ||
104 | /* Do not add this if it is already listed */ | |
105 | LIST_FOREACH(units, u, c->units) | |
106 | if (streq(u->name, s)) | |
107 | return 0; | |
108 | ||
109 | u = new0(UnitStatusInfo, 1); | |
110 | if (!u) | |
111 | return -ENOMEM; | |
112 | ||
113 | u->name = strdup(s); | |
114 | if (!u->name) { | |
115 | free(u); | |
116 | return -ENOMEM; | |
117 | } | |
118 | ||
119 | LIST_APPEND(units, c->units, u); | |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
afaae43b | 124 | static int context_parse_ntp_services_from_environment(Context *c) { |
5d280742 YW |
125 | const char *env, *p; |
126 | int r; | |
127 | ||
128 | assert(c); | |
129 | ||
130 | env = getenv("SYSTEMD_TIMEDATED_NTP_SERVICES"); | |
afaae43b | 131 | if (!env) |
5d280742 | 132 | return 0; |
afaae43b ZJS |
133 | |
134 | log_debug("Using list of ntp services from environment variable $SYSTEMD_TIMEDATED_NTP_SERVICES."); | |
5d280742 YW |
135 | |
136 | for (p = env;;) { | |
137 | _cleanup_free_ char *word = NULL; | |
138 | ||
139 | r = extract_first_word(&p, &word, ":", 0); | |
140 | if (r == 0) | |
141 | break; | |
142 | if (r == -ENOMEM) | |
143 | return log_oom(); | |
144 | if (r < 0) { | |
145 | log_error("Invalid syntax, ignoring: %s", env); | |
146 | break; | |
147 | } | |
148 | ||
149 | r = context_add_ntp_service(c, word); | |
150 | if (r < 0) | |
151 | log_warning_errno(r, "Failed to add NTP service \"%s\", ignoring: %m", word); | |
152 | } | |
153 | ||
afaae43b ZJS |
154 | return 1; |
155 | } | |
156 | ||
157 | static int context_parse_ntp_services_from_disk(Context *c) { | |
158 | _cleanup_strv_free_ char **files = NULL; | |
159 | char **f; | |
160 | int r; | |
161 | ||
162 | r = conf_files_list_strv(&files, ".list", NULL, CONF_FILES_FILTER_MASKED, UNIT_LIST_DIRS); | |
163 | if (r < 0) | |
164 | return log_error_errno(r, "Failed to enumerate .list files: %m"); | |
165 | ||
166 | STRV_FOREACH(f, files) { | |
167 | _cleanup_fclose_ FILE *file = NULL; | |
168 | ||
169 | log_debug("Reading file '%s'", *f); | |
170 | ||
171 | r = fopen_unlocked(*f, "re", &file); | |
172 | if (r < 0) { | |
173 | log_error_errno(r, "Failed to open %s, ignoring: %m", *f); | |
174 | continue; | |
175 | } | |
176 | ||
177 | for (;;) { | |
178 | _cleanup_free_ char *line = NULL; | |
179 | const char *word; | |
180 | ||
181 | r = read_line(file, LINE_MAX, &line); | |
182 | if (r < 0) { | |
183 | log_error_errno(r, "Failed to read %s, ignoring: %m", *f); | |
184 | continue; | |
185 | } | |
186 | if (r == 0) | |
187 | break; | |
188 | ||
189 | word = strstrip(line); | |
190 | if (isempty(word) || startswith("#", word)) | |
191 | continue; | |
192 | ||
193 | r = context_add_ntp_service(c, word); | |
194 | if (r < 0) | |
195 | log_warning_errno(r, "Failed to add NTP service \"%s\", ignoring: %m", word); | |
196 | } | |
197 | } | |
198 | ||
199 | return 1; | |
200 | } | |
201 | ||
202 | static int context_parse_ntp_services(Context *c) { | |
203 | int r; | |
204 | ||
205 | r = context_parse_ntp_services_from_environment(c); | |
206 | if (r != 0) | |
207 | return r; | |
208 | ||
209 | return context_parse_ntp_services_from_disk(c); | |
5d280742 YW |
210 | } |
211 | ||
212 | static int context_ntp_service_is_active(Context *c) { | |
213 | UnitStatusInfo *info; | |
214 | int count = 0; | |
215 | ||
216 | assert(c); | |
217 | ||
218 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ | |
219 | ||
220 | LIST_FOREACH(units, info, c->units) | |
84a87726 | 221 | count += !STRPTR_IN_SET(info->active_state, "inactive", "failed"); |
5d280742 YW |
222 | |
223 | return count; | |
224 | } | |
225 | ||
226 | static int context_ntp_service_is_enabled(Context *c) { | |
227 | UnitStatusInfo *info; | |
228 | int count = 0; | |
229 | ||
230 | assert(c); | |
231 | ||
232 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ | |
233 | ||
234 | LIST_FOREACH(units, info, c->units) | |
84a87726 | 235 | count += !STRPTR_IN_SET(info->unit_file_state, "masked", "masked-runtime", "disabled", "bad"); |
5d280742 YW |
236 | |
237 | return count; | |
238 | } | |
239 | ||
240 | static int context_ntp_service_exists(Context *c) { | |
241 | UnitStatusInfo *info; | |
242 | int count = 0; | |
243 | ||
244 | assert(c); | |
245 | ||
246 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ | |
247 | ||
248 | LIST_FOREACH(units, info, c->units) | |
249 | count += streq_ptr(info->load_state, "loaded"); | |
250 | ||
251 | return count; | |
f401e48c LP |
252 | } |
253 | ||
40ca29a1 | 254 | static int context_read_data(Context *c) { |
424a19f8 | 255 | _cleanup_free_ char *t = NULL; |
40ca29a1 LP |
256 | int r; |
257 | ||
258 | assert(c); | |
f401e48c | 259 | |
5c904ba5 LP |
260 | r = get_timezone(&t); |
261 | if (r == -EINVAL) | |
262 | log_warning_errno(r, "/etc/localtime should be a symbolic link to a time zone data file in /usr/share/zoneinfo/."); | |
263 | else if (r < 0) | |
264 | log_warning_errno(r, "Failed to get target of /etc/localtime: %m"); | |
92c4ef2d | 265 | |
f9ecfd3b | 266 | free_and_replace(c->zone, t); |
f401e48c | 267 | |
6369641d | 268 | c->local_rtc = clock_is_localtime(NULL) > 0; |
f401e48c LP |
269 | |
270 | return 0; | |
271 | } | |
272 | ||
40ca29a1 | 273 | static int context_write_data_timezone(Context *c) { |
424a19f8 | 274 | _cleanup_free_ char *p = NULL; |
40ca29a1 LP |
275 | int r = 0; |
276 | ||
277 | assert(c); | |
e19a21a8 | 278 | |
40ca29a1 | 279 | if (isempty(c->zone)) { |
424a19f8 | 280 | if (unlink("/etc/localtime") < 0 && errno != ENOENT) |
f401e48c LP |
281 | r = -errno; |
282 | ||
f401e48c LP |
283 | return r; |
284 | } | |
285 | ||
b910cc72 | 286 | p = path_join("../usr/share/zoneinfo", c->zone); |
0d0f0c50 SL |
287 | if (!p) |
288 | return log_oom(); | |
f401e48c | 289 | |
424a19f8 | 290 | r = symlink_atomic(p, "/etc/localtime"); |
f401e48c | 291 | if (r < 0) |
424a19f8 | 292 | return r; |
f401e48c | 293 | |
f401e48c LP |
294 | return 0; |
295 | } | |
296 | ||
40ca29a1 | 297 | static int context_write_data_local_rtc(Context *c) { |
f401e48c | 298 | int r; |
7fd1b19b | 299 | _cleanup_free_ char *s = NULL, *w = NULL; |
f401e48c | 300 | |
40ca29a1 LP |
301 | assert(c); |
302 | ||
f401e48c LP |
303 | r = read_full_file("/etc/adjtime", &s, NULL); |
304 | if (r < 0) { | |
305 | if (r != -ENOENT) | |
306 | return r; | |
307 | ||
40ca29a1 | 308 | if (!c->local_rtc) |
f401e48c LP |
309 | return 0; |
310 | ||
311 | w = strdup(NULL_ADJTIME_LOCAL); | |
312 | if (!w) | |
313 | return -ENOMEM; | |
314 | } else { | |
c9410dd4 | 315 | char *p; |
8f462d87 | 316 | const char *e = "\n"; /* default if there is less than 3 lines */ |
c9410dd4 | 317 | const char *prepend = ""; |
f401e48c LP |
318 | size_t a, b; |
319 | ||
c9410dd4 | 320 | p = strchrnul(s, '\n'); |
cb971cc0 | 321 | if (*p == '\0') |
c9410dd4 MP |
322 | /* only one line, no \n terminator */ |
323 | prepend = "\n0\n"; | |
cb971cc0 | 324 | else if (p[1] == '\0') { |
c9410dd4 MP |
325 | /* only one line, with \n terminator */ |
326 | ++p; | |
327 | prepend = "0\n"; | |
328 | } else { | |
329 | p = strchr(p+1, '\n'); | |
330 | if (!p) { | |
331 | /* only two lines, no \n terminator */ | |
332 | prepend = "\n"; | |
333 | p = s + strlen(s); | |
334 | } else { | |
335 | char *end; | |
336 | /* third line might have a \n terminator or not */ | |
337 | p++; | |
338 | end = strchr(p, '\n'); | |
339 | /* if we actually have a fourth line, use that as suffix "e", otherwise the default \n */ | |
340 | if (end) | |
341 | e = end; | |
342 | } | |
343 | } | |
f401e48c LP |
344 | |
345 | a = p - s; | |
346 | b = strlen(e); | |
347 | ||
c9410dd4 | 348 | w = new(char, a + (c->local_rtc ? 5 : 3) + strlen(prepend) + b + 1); |
d257f05a | 349 | if (!w) |
f401e48c | 350 | return -ENOMEM; |
f401e48c | 351 | |
c9410dd4 | 352 | *(char*) mempcpy(stpcpy(stpcpy(mempcpy(w, s, a), prepend), c->local_rtc ? "LOCAL" : "UTC"), e, b) = 0; |
f401e48c LP |
353 | |
354 | if (streq(w, NULL_ADJTIME_UTC)) { | |
d257f05a | 355 | if (unlink("/etc/adjtime") < 0) |
f401e48c LP |
356 | if (errno != ENOENT) |
357 | return -errno; | |
f401e48c LP |
358 | |
359 | return 0; | |
360 | } | |
361 | } | |
40ca29a1 | 362 | |
c3dacc8b | 363 | mac_selinux_init(); |
d257f05a | 364 | return write_string_file_atomic_label("/etc/adjtime", w); |
f401e48c LP |
365 | } |
366 | ||
5d280742 YW |
367 | static int context_update_ntp_status(Context *c, sd_bus *bus, sd_bus_message *m) { |
368 | static const struct bus_properties_map map[] = { | |
369 | { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) }, | |
370 | { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) }, | |
371 | { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) }, | |
372 | {} | |
373 | }; | |
5d280742 | 374 | UnitStatusInfo *u; |
c5f0532f LP |
375 | int r; |
376 | ||
40ca29a1 | 377 | assert(c); |
c5f0532f LP |
378 | assert(bus); |
379 | ||
2770af85 YW |
380 | /* Suppress calling context_update_ntp_status() multiple times within single DBus transaction. */ |
381 | if (m) { | |
382 | if (m == c->cache) | |
383 | return 0; | |
2aa4c315 | 384 | |
2770af85 YW |
385 | sd_bus_message_unref(c->cache); |
386 | c->cache = sd_bus_message_ref(m); | |
387 | } | |
2aa4c315 | 388 | |
5d280742 YW |
389 | LIST_FOREACH(units, u, c->units) { |
390 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5d280742 | 391 | _cleanup_free_ char *path = NULL; |
c5f0532f | 392 | |
5d280742 | 393 | unit_status_info_clear(u); |
40ca29a1 | 394 | |
5d280742 YW |
395 | path = unit_dbus_path_from_name(u->name); |
396 | if (!path) | |
397 | return -ENOMEM; | |
398 | ||
399 | r = bus_map_all_properties( | |
400 | bus, | |
401 | "org.freedesktop.systemd1", | |
402 | path, | |
403 | map, | |
404 | BUS_MAP_STRDUP, | |
405 | &error, | |
406 | NULL, | |
407 | u); | |
408 | if (r < 0) | |
409 | return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r)); | |
410 | } | |
c5f0532f | 411 | |
40ca29a1 | 412 | return 0; |
c5f0532f LP |
413 | } |
414 | ||
3af0a96c | 415 | static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
3af0a96c | 416 | Context *c = userdata; |
cf3872bd YW |
417 | UnitStatusInfo *u; |
418 | const char *path; | |
419 | unsigned n = 0; | |
3af0a96c YW |
420 | int r; |
421 | ||
422 | assert(c); | |
423 | assert(m); | |
424 | ||
425 | r = sd_bus_message_read(m, "uoss", NULL, &path, NULL, NULL); | |
426 | if (r < 0) { | |
427 | bus_log_parse_error(r); | |
428 | return 0; | |
429 | } | |
430 | ||
cf3872bd YW |
431 | LIST_FOREACH(units, u, c->units) |
432 | if (streq_ptr(path, u->path)) | |
433 | u->path = mfree(u->path); | |
434 | else | |
435 | n += !!u->path; | |
3af0a96c | 436 | |
cf3872bd | 437 | if (n == 0) { |
cf3872bd | 438 | c->slot_job_removed = sd_bus_slot_unref(c->slot_job_removed); |
49942d6b YW |
439 | |
440 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "NTP", NULL); | |
cf3872bd | 441 | } |
3af0a96c YW |
442 | |
443 | return 0; | |
444 | } | |
445 | ||
cf3872bd | 446 | static int unit_start_or_stop(UnitStatusInfo *u, sd_bus *bus, sd_bus_error *error, bool start) { |
3af0a96c | 447 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
3af0a96c | 448 | const char *path; |
c5f0532f LP |
449 | int r; |
450 | ||
5d280742 | 451 | assert(u); |
c5f0532f LP |
452 | assert(bus); |
453 | assert(error); | |
454 | ||
81b84399 ZJS |
455 | r = sd_bus_call_method( |
456 | bus, | |
457 | "org.freedesktop.systemd1", | |
458 | "/org/freedesktop/systemd1", | |
459 | "org.freedesktop.systemd1.Manager", | |
5d280742 | 460 | start ? "StartUnit" : "StopUnit", |
81b84399 | 461 | error, |
3af0a96c | 462 | &reply, |
81b84399 | 463 | "ss", |
5d280742 | 464 | u->name, |
81b84399 | 465 | "replace"); |
5d280742 | 466 | if (r < 0) |
b72ddf0f | 467 | return r; |
c5f0532f | 468 | |
3af0a96c YW |
469 | r = sd_bus_message_read(reply, "o", &path); |
470 | if (r < 0) | |
471 | return bus_log_parse_error(r); | |
472 | ||
cf3872bd | 473 | r = free_and_strdup(&u->path, path); |
3af0a96c YW |
474 | if (r < 0) |
475 | return log_oom(); | |
476 | ||
b72ddf0f | 477 | return 0; |
c5f0532f LP |
478 | } |
479 | ||
5d280742 | 480 | static int unit_enable_or_disable(UnitStatusInfo *u, sd_bus *bus, sd_bus_error *error, bool enable) { |
c5f0532f | 481 | int r; |
c5f0532f | 482 | |
5d280742 | 483 | assert(u); |
c5f0532f LP |
484 | assert(bus); |
485 | assert(error); | |
486 | ||
5d280742 YW |
487 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ |
488 | ||
489 | if (streq(u->unit_file_state, "enabled") == enable) | |
490 | return 0; | |
491 | ||
492 | if (enable) | |
40ca29a1 LP |
493 | r = sd_bus_call_method( |
494 | bus, | |
ac7019f3 LP |
495 | "org.freedesktop.systemd1", |
496 | "/org/freedesktop/systemd1", | |
497 | "org.freedesktop.systemd1.Manager", | |
b72ddf0f | 498 | "EnableUnitFiles", |
40ca29a1 LP |
499 | error, |
500 | NULL, | |
b72ddf0f | 501 | "asbb", 1, |
5d280742 | 502 | u->name, |
b72ddf0f KS |
503 | false, true); |
504 | else | |
505 | r = sd_bus_call_method( | |
506 | bus, | |
507 | "org.freedesktop.systemd1", | |
508 | "/org/freedesktop/systemd1", | |
509 | "org.freedesktop.systemd1.Manager", | |
510 | "DisableUnitFiles", | |
511 | error, | |
512 | NULL, | |
513 | "asb", 1, | |
5d280742 | 514 | u->name, |
b72ddf0f | 515 | false); |
5d280742 | 516 | if (r < 0) |
b72ddf0f | 517 | return r; |
c5f0532f | 518 | |
b72ddf0f KS |
519 | r = sd_bus_call_method( |
520 | bus, | |
521 | "org.freedesktop.systemd1", | |
522 | "/org/freedesktop/systemd1", | |
523 | "org.freedesktop.systemd1.Manager", | |
524 | "Reload", | |
525 | error, | |
526 | NULL, | |
527 | NULL); | |
3af0a96c YW |
528 | if (r < 0) |
529 | return r; | |
530 | ||
b72ddf0f | 531 | return 0; |
40ca29a1 | 532 | } |
c5f0532f | 533 | |
6cc379b5 YW |
534 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_time, "t", now(CLOCK_REALTIME)); |
535 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_ntp_sync, "b", ntp_synced()); | |
536 | ||
6fc60278 LP |
537 | static int property_get_rtc_time( |
538 | sd_bus *bus, | |
539 | const char *path, | |
540 | const char *interface, | |
541 | const char *property, | |
542 | sd_bus_message *reply, | |
ebcf1f97 LP |
543 | void *userdata, |
544 | sd_bus_error *error) { | |
6fc60278 LP |
545 | |
546 | struct tm tm; | |
547 | usec_t t; | |
548 | int r; | |
549 | ||
550 | zero(tm); | |
60989612 | 551 | r = clock_get_hwclock(&tm); |
88e262b6 | 552 | if (r == -EBUSY) { |
07a062a7 | 553 | log_warning("/dev/rtc is busy. Is somebody keeping it open continuously? That's not a good idea... Returning a bogus RTC timestamp."); |
88e262b6 | 554 | t = 0; |
fe2b58a4 | 555 | } else if (r == -ENOENT) { |
07a062a7 | 556 | log_debug("/dev/rtc not found."); |
fe2b58a4 | 557 | t = 0; /* no RTC found */ |
ebcf1f97 | 558 | } else if (r < 0) |
10a87006 | 559 | return sd_bus_error_set_errnof(error, r, "Failed to read RTC: %m"); |
ebcf1f97 | 560 | else |
2f6a5907 | 561 | t = (usec_t) timegm(&tm) * USEC_PER_SEC; |
6fc60278 | 562 | |
ebcf1f97 | 563 | return sd_bus_message_append(reply, "t", t); |
6fc60278 LP |
564 | } |
565 | ||
5d280742 YW |
566 | static int property_get_can_ntp( |
567 | sd_bus *bus, | |
568 | const char *path, | |
569 | const char *interface, | |
570 | const char *property, | |
571 | sd_bus_message *reply, | |
572 | void *userdata, | |
573 | sd_bus_error *error) { | |
574 | ||
575 | Context *c = userdata; | |
576 | int r; | |
577 | ||
578 | assert(c); | |
579 | assert(bus); | |
580 | assert(property); | |
581 | assert(reply); | |
582 | assert(error); | |
583 | ||
b4356b57 YW |
584 | if (c->slot_job_removed) |
585 | /* When the previous request is not finished, then assume NTP is enabled. */ | |
586 | return sd_bus_message_append(reply, "b", true); | |
587 | ||
5d280742 YW |
588 | r = context_update_ntp_status(c, bus, reply); |
589 | if (r < 0) | |
590 | return r; | |
591 | ||
592 | return sd_bus_message_append(reply, "b", context_ntp_service_exists(c) > 0); | |
593 | } | |
594 | ||
595 | static int property_get_ntp( | |
596 | sd_bus *bus, | |
597 | const char *path, | |
598 | const char *interface, | |
599 | const char *property, | |
600 | sd_bus_message *reply, | |
601 | void *userdata, | |
602 | sd_bus_error *error) { | |
603 | ||
604 | Context *c = userdata; | |
605 | int r; | |
606 | ||
607 | assert(c); | |
608 | assert(bus); | |
609 | assert(property); | |
610 | assert(reply); | |
611 | assert(error); | |
612 | ||
b4356b57 YW |
613 | if (c->slot_job_removed) |
614 | /* When the previous request is not finished, then assume NTP is active. */ | |
615 | return sd_bus_message_append(reply, "b", true); | |
616 | ||
5d280742 YW |
617 | r = context_update_ntp_status(c, bus, reply); |
618 | if (r < 0) | |
619 | return r; | |
620 | ||
621 | return sd_bus_message_append(reply, "b", context_ntp_service_is_active(c) > 0); | |
622 | } | |
623 | ||
19070062 | 624 | static int method_set_timezone(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
40ca29a1 | 625 | Context *c = userdata; |
2c3def62 | 626 | int interactive, r; |
40ca29a1 | 627 | const char *z; |
c5f0532f | 628 | |
7e9cf16c LP |
629 | assert(m); |
630 | assert(c); | |
631 | ||
40ca29a1 LP |
632 | r = sd_bus_message_read(m, "sb", &z, &interactive); |
633 | if (r < 0) | |
ebcf1f97 | 634 | return r; |
c5f0532f | 635 | |
089fb865 | 636 | if (!timezone_is_valid(z, LOG_DEBUG)) |
ebcf1f97 | 637 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid time zone '%s'", z); |
ac7019f3 | 638 | |
539a68e0 | 639 | if (streq_ptr(z, c->zone)) |
df2d202e | 640 | return sd_bus_reply_method_return(m, NULL); |
c5f0532f | 641 | |
c529695e LP |
642 | r = bus_verify_polkit_async( |
643 | m, | |
644 | CAP_SYS_TIME, | |
645 | "org.freedesktop.timedate1.set-timezone", | |
403ed0e5 | 646 | NULL, |
c529695e LP |
647 | interactive, |
648 | UID_INVALID, | |
649 | &c->polkit_registry, | |
650 | error); | |
40ca29a1 | 651 | if (r < 0) |
ebcf1f97 | 652 | return r; |
40ca29a1 | 653 | if (r == 0) |
6fc60278 | 654 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ |
6ffe5e37 | 655 | |
539a68e0 YW |
656 | r = free_and_strdup(&c->zone, z); |
657 | if (r < 0) | |
658 | return r; | |
659 | ||
40ca29a1 LP |
660 | /* 1. Write new configuration file */ |
661 | r = context_write_data_timezone(c); | |
662 | if (r < 0) { | |
da927ba9 | 663 | log_error_errno(r, "Failed to set time zone: %m"); |
10a87006 | 664 | return sd_bus_error_set_errnof(error, r, "Failed to set time zone: %m"); |
40ca29a1 | 665 | } |
6ffe5e37 | 666 | |
8a50b96f LP |
667 | /* 2. Make glibc notice the new timezone */ |
668 | tzset(); | |
669 | ||
670 | /* 3. Tell the kernel our timezone */ | |
2a7ff45f LP |
671 | r = clock_set_timezone(NULL); |
672 | if (r < 0) | |
673 | log_debug_errno(r, "Failed to tell kernel about timezone, ignoring: %m"); | |
6ffe5e37 | 674 | |
40ca29a1 LP |
675 | if (c->local_rtc) { |
676 | struct timespec ts; | |
e0f691e1 | 677 | struct tm tm; |
c5f0532f | 678 | |
8a50b96f | 679 | /* 4. Sync RTC from system clock, with the new delta */ |
40ca29a1 | 680 | assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0); |
e0f691e1 | 681 | assert_se(localtime_r(&ts.tv_sec, &tm)); |
2a7ff45f | 682 | |
e0f691e1 | 683 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
684 | if (r < 0) |
685 | log_debug_errno(r, "Failed to sync time to hardware clock, ignoring: %m"); | |
40ca29a1 | 686 | } |
c5f0532f | 687 | |
40ca29a1 | 688 | log_struct(LOG_INFO, |
2b044526 | 689 | "MESSAGE_ID=" SD_MESSAGE_TIMEZONE_CHANGE_STR, |
40ca29a1 | 690 | "TIMEZONE=%s", c->zone, |
8a50b96f LP |
691 | "TIMEZONE_SHORTNAME=%s", tzname[daylight], |
692 | "DAYLIGHT=%i", daylight, | |
a1230ff9 | 693 | LOG_MESSAGE("Changed time zone to '%s' (%s).", c->zone, tzname[daylight])); |
c5f0532f | 694 | |
19070062 | 695 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "Timezone", NULL); |
c5f0532f | 696 | |
df2d202e | 697 | return sd_bus_reply_method_return(m, NULL); |
c5f0532f LP |
698 | } |
699 | ||
19070062 | 700 | static int method_set_local_rtc(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
102d8f81 | 701 | int lrtc, fix_system, interactive; |
40ca29a1 LP |
702 | Context *c = userdata; |
703 | struct timespec ts; | |
f401e48c LP |
704 | int r; |
705 | ||
40ca29a1 LP |
706 | assert(m); |
707 | assert(c); | |
f401e48c | 708 | |
40ca29a1 LP |
709 | r = sd_bus_message_read(m, "bbb", &lrtc, &fix_system, &interactive); |
710 | if (r < 0) | |
ebcf1f97 | 711 | return r; |
f401e48c | 712 | |
40ca29a1 | 713 | if (lrtc == c->local_rtc) |
df2d202e | 714 | return sd_bus_reply_method_return(m, NULL); |
f401e48c | 715 | |
c529695e LP |
716 | r = bus_verify_polkit_async( |
717 | m, | |
718 | CAP_SYS_TIME, | |
719 | "org.freedesktop.timedate1.set-local-rtc", | |
403ed0e5 | 720 | NULL, |
c529695e LP |
721 | interactive, |
722 | UID_INVALID, | |
723 | &c->polkit_registry, | |
724 | error); | |
40ca29a1 | 725 | if (r < 0) |
ebcf1f97 | 726 | return r; |
40ca29a1 LP |
727 | if (r == 0) |
728 | return 1; | |
f401e48c | 729 | |
40ca29a1 | 730 | c->local_rtc = lrtc; |
f401e48c | 731 | |
40ca29a1 LP |
732 | /* 1. Write new configuration file */ |
733 | r = context_write_data_local_rtc(c); | |
734 | if (r < 0) { | |
da927ba9 | 735 | log_error_errno(r, "Failed to set RTC to local/UTC: %m"); |
10a87006 | 736 | return sd_bus_error_set_errnof(error, r, "Failed to set RTC to local/UTC: %m"); |
40ca29a1 | 737 | } |
f401e48c | 738 | |
40ca29a1 | 739 | /* 2. Tell the kernel our timezone */ |
2a7ff45f LP |
740 | r = clock_set_timezone(NULL); |
741 | if (r < 0) | |
742 | log_debug_errno(r, "Failed to tell kernel about timezone, ignoring: %m"); | |
f401e48c | 743 | |
40ca29a1 LP |
744 | /* 3. Synchronize clocks */ |
745 | assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0); | |
f401e48c | 746 | |
40ca29a1 LP |
747 | if (fix_system) { |
748 | struct tm tm; | |
f401e48c | 749 | |
2a7ff45f | 750 | /* Sync system clock from RTC; first, initialize the timezone fields of struct tm. */ |
40ca29a1 | 751 | if (c->local_rtc) |
e46acb79 | 752 | localtime_r(&ts.tv_sec, &tm); |
40ca29a1 | 753 | else |
e46acb79 | 754 | gmtime_r(&ts.tv_sec, &tm); |
72edcff5 | 755 | |
2a7ff45f LP |
756 | /* Override the main fields of struct tm, but not the timezone fields */ |
757 | r = clock_get_hwclock(&tm); | |
758 | if (r < 0) | |
759 | log_debug_errno(r, "Failed to get hardware clock, ignoring: %m"); | |
760 | else { | |
761 | /* And set the system clock with this */ | |
40ca29a1 LP |
762 | if (c->local_rtc) |
763 | ts.tv_sec = mktime(&tm); | |
764 | else | |
765 | ts.tv_sec = timegm(&tm); | |
2076cf88 | 766 | |
2a7ff45f LP |
767 | if (clock_settime(CLOCK_REALTIME, &ts) < 0) |
768 | log_debug_errno(errno, "Failed to update system clock, ignoring: %m"); | |
f401e48c LP |
769 | } |
770 | ||
40ca29a1 | 771 | } else { |
e46acb79 | 772 | struct tm tm; |
f401e48c | 773 | |
40ca29a1 LP |
774 | /* Sync RTC from system clock */ |
775 | if (c->local_rtc) | |
e46acb79 | 776 | localtime_r(&ts.tv_sec, &tm); |
40ca29a1 | 777 | else |
e46acb79 | 778 | gmtime_r(&ts.tv_sec, &tm); |
2076cf88 | 779 | |
e46acb79 | 780 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
781 | if (r < 0) |
782 | log_debug_errno(r, "Failed to sync time to hardware clock, ignoring: %m"); | |
40ca29a1 | 783 | } |
2076cf88 | 784 | |
40ca29a1 | 785 | log_info("RTC configured to %s time.", c->local_rtc ? "local" : "UTC"); |
2076cf88 | 786 | |
19070062 | 787 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "LocalRTC", NULL); |
2076cf88 | 788 | |
df2d202e | 789 | return sd_bus_reply_method_return(m, NULL); |
40ca29a1 | 790 | } |
2076cf88 | 791 | |
19070062 | 792 | static int method_set_time(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
5d280742 YW |
793 | sd_bus *bus = sd_bus_message_get_bus(m); |
794 | int relative, interactive, r; | |
40ca29a1 LP |
795 | Context *c = userdata; |
796 | int64_t utc; | |
797 | struct timespec ts; | |
2479df30 | 798 | usec_t start; |
e46acb79 | 799 | struct tm tm; |
2076cf88 | 800 | |
40ca29a1 LP |
801 | assert(m); |
802 | assert(c); | |
2076cf88 | 803 | |
b4356b57 YW |
804 | if (c->slot_job_removed) |
805 | return sd_bus_error_set(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Previous request is not finished, refusing."); | |
806 | ||
5d280742 YW |
807 | r = context_update_ntp_status(c, bus, m); |
808 | if (r < 0) | |
809 | return sd_bus_error_set_errnof(error, r, "Failed to update context: %m"); | |
810 | ||
811 | if (context_ntp_service_is_active(c) > 0) | |
e9e5ea88 | 812 | return sd_bus_error_set(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Automatic time synchronization is enabled"); |
82d115d9 | 813 | |
6829cec4 SL |
814 | /* this only gets used if dbus does not provide a timestamp */ |
815 | start = now(CLOCK_MONOTONIC); | |
816 | ||
40ca29a1 LP |
817 | r = sd_bus_message_read(m, "xbb", &utc, &relative, &interactive); |
818 | if (r < 0) | |
ebcf1f97 | 819 | return r; |
2076cf88 | 820 | |
40ca29a1 | 821 | if (!relative && utc <= 0) |
e9e5ea88 | 822 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid absolute time"); |
2076cf88 | 823 | |
40ca29a1 | 824 | if (relative && utc == 0) |
df2d202e | 825 | return sd_bus_reply_method_return(m, NULL); |
2076cf88 | 826 | |
40ca29a1 LP |
827 | if (relative) { |
828 | usec_t n, x; | |
f401e48c | 829 | |
40ca29a1 LP |
830 | n = now(CLOCK_REALTIME); |
831 | x = n + utc; | |
f401e48c | 832 | |
40ca29a1 LP |
833 | if ((utc > 0 && x < n) || |
834 | (utc < 0 && x > n)) | |
e9e5ea88 | 835 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Time value overflow"); |
f401e48c | 836 | |
40ca29a1 LP |
837 | timespec_store(&ts, x); |
838 | } else | |
839 | timespec_store(&ts, (usec_t) utc); | |
2076cf88 | 840 | |
c529695e LP |
841 | r = bus_verify_polkit_async( |
842 | m, | |
843 | CAP_SYS_TIME, | |
844 | "org.freedesktop.timedate1.set-time", | |
403ed0e5 | 845 | NULL, |
c529695e LP |
846 | interactive, |
847 | UID_INVALID, | |
848 | &c->polkit_registry, | |
849 | error); | |
40ca29a1 | 850 | if (r < 0) |
ebcf1f97 | 851 | return r; |
40ca29a1 LP |
852 | if (r == 0) |
853 | return 1; | |
854 | ||
2479df30 SL |
855 | /* adjust ts for time spent in program */ |
856 | r = sd_bus_message_get_monotonic_usec(m, &start); | |
6829cec4 | 857 | /* when sd_bus_message_get_monotonic_usec() returns -ENODATA it does not modify &start */ |
2479df30 SL |
858 | if (r < 0 && r != -ENODATA) |
859 | return r; | |
6829cec4 SL |
860 | |
861 | timespec_store(&ts, timespec_load(&ts) + (now(CLOCK_MONOTONIC) - start)); | |
2479df30 | 862 | |
40ca29a1 LP |
863 | /* Set system clock */ |
864 | if (clock_settime(CLOCK_REALTIME, &ts) < 0) { | |
56f64d95 | 865 | log_error_errno(errno, "Failed to set local time: %m"); |
ebcf1f97 | 866 | return sd_bus_error_set_errnof(error, errno, "Failed to set local time: %m"); |
40ca29a1 | 867 | } |
2076cf88 | 868 | |
40ca29a1 LP |
869 | /* Sync down to RTC */ |
870 | if (c->local_rtc) | |
e46acb79 | 871 | localtime_r(&ts.tv_sec, &tm); |
40ca29a1 | 872 | else |
e46acb79 | 873 | gmtime_r(&ts.tv_sec, &tm); |
2a7ff45f | 874 | |
e46acb79 | 875 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
876 | if (r < 0) |
877 | log_debug_errno(r, "Failed to update hardware clock, ignoring: %m"); | |
f401e48c | 878 | |
40ca29a1 | 879 | log_struct(LOG_INFO, |
2b044526 | 880 | "MESSAGE_ID=" SD_MESSAGE_TIME_CHANGE_STR, |
de0671ee | 881 | "REALTIME="USEC_FMT, timespec_load(&ts), |
a1230ff9 | 882 | LOG_MESSAGE("Changed local time to %s", ctime(&ts.tv_sec))); |
f401e48c | 883 | |
df2d202e | 884 | return sd_bus_reply_method_return(m, NULL); |
40ca29a1 | 885 | } |
f401e48c | 886 | |
19070062 | 887 | static int method_set_ntp(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
cf3872bd | 888 | _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot = NULL; |
5d280742 | 889 | sd_bus *bus = sd_bus_message_get_bus(m); |
40ca29a1 | 890 | Context *c = userdata; |
5d280742 YW |
891 | UnitStatusInfo *u; |
892 | int enable, interactive, q, r; | |
f401e48c | 893 | |
19070062 | 894 | assert(m); |
5d280742 | 895 | assert(bus); |
19070062 LP |
896 | assert(c); |
897 | ||
5d280742 | 898 | r = sd_bus_message_read(m, "bb", &enable, &interactive); |
40ca29a1 | 899 | if (r < 0) |
ebcf1f97 | 900 | return r; |
f401e48c | 901 | |
5d280742 YW |
902 | r = context_update_ntp_status(c, bus, m); |
903 | if (r < 0) | |
904 | return r; | |
905 | ||
906 | if (context_ntp_service_exists(c) <= 0) | |
907 | return sd_bus_error_set(error, BUS_ERROR_NO_NTP_SUPPORT, "NTP not supported"); | |
f401e48c | 908 | |
c529695e LP |
909 | r = bus_verify_polkit_async( |
910 | m, | |
911 | CAP_SYS_TIME, | |
912 | "org.freedesktop.timedate1.set-ntp", | |
403ed0e5 | 913 | NULL, |
c529695e LP |
914 | interactive, |
915 | UID_INVALID, | |
916 | &c->polkit_registry, | |
917 | error); | |
40ca29a1 | 918 | if (r < 0) |
ebcf1f97 | 919 | return r; |
40ca29a1 LP |
920 | if (r == 0) |
921 | return 1; | |
f401e48c | 922 | |
cf3872bd YW |
923 | /* This method may be called frequently. Forget the previous job if it has not completed yet. */ |
924 | LIST_FOREACH(units, u, c->units) | |
925 | u->path = mfree(u->path); | |
926 | ||
927 | if (!c->slot_job_removed) { | |
928 | r = sd_bus_match_signal_async( | |
929 | bus, | |
930 | &slot, | |
931 | "org.freedesktop.systemd1", | |
932 | "/org/freedesktop/systemd1", | |
933 | "org.freedesktop.systemd1.Manager", | |
934 | "JobRemoved", | |
935 | match_job_removed, NULL, c); | |
936 | if (r < 0) | |
937 | return r; | |
938 | } | |
939 | ||
5d280742 YW |
940 | if (!enable) |
941 | LIST_FOREACH(units, u, c->units) { | |
942 | if (!streq(u->load_state, "loaded")) | |
943 | continue; | |
944 | ||
945 | q = unit_enable_or_disable(u, bus, error, enable); | |
946 | if (q < 0) | |
947 | r = q; | |
948 | ||
cf3872bd | 949 | q = unit_start_or_stop(u, bus, error, enable); |
5d280742 YW |
950 | if (q < 0) |
951 | r = q; | |
952 | } | |
953 | ||
954 | else if (context_ntp_service_is_enabled(c) <= 0) | |
955 | LIST_FOREACH(units, u, c->units) { | |
956 | if (!streq(u->load_state, "loaded")) | |
957 | continue; | |
958 | ||
959 | r = unit_enable_or_disable(u, bus, error, enable); | |
960 | if (r < 0) | |
961 | continue; | |
962 | ||
cf3872bd | 963 | r = unit_start_or_stop(u, bus, error, enable); |
5d280742 YW |
964 | break; |
965 | } | |
966 | ||
3af0a96c | 967 | else |
5d280742 YW |
968 | LIST_FOREACH(units, u, c->units) { |
969 | if (!streq(u->load_state, "loaded") || | |
970 | !streq(u->unit_file_state, "enabled")) | |
971 | continue; | |
972 | ||
cf3872bd | 973 | r = unit_start_or_stop(u, bus, error, enable); |
5d280742 YW |
974 | break; |
975 | } | |
40ca29a1 | 976 | |
40ca29a1 | 977 | if (r < 0) |
ebcf1f97 | 978 | return r; |
f401e48c | 979 | |
cf3872bd YW |
980 | if (slot) |
981 | c->slot_job_removed = TAKE_PTR(slot); | |
982 | ||
5d280742 | 983 | log_info("Set NTP to %sd", enable_disable(enable)); |
f401e48c | 984 | |
df2d202e | 985 | return sd_bus_reply_method_return(m, NULL); |
f401e48c LP |
986 | } |
987 | ||
2cf0b2fe NT |
988 | static int method_list_timezones(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
989 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
990 | _cleanup_strv_free_ char **zones = NULL; | |
991 | int r; | |
992 | ||
993 | assert(m); | |
994 | ||
995 | r = get_timezones(&zones); | |
996 | if (r < 0) | |
997 | return sd_bus_error_set_errnof(error, r, "Failed to read list of time zones: %m"); | |
998 | ||
999 | r = sd_bus_message_new_method_return(m, &reply); | |
1000 | if (r < 0) | |
1001 | return r; | |
1002 | ||
1003 | r = sd_bus_message_append_strv(reply, zones); | |
1004 | if (r < 0) | |
1005 | return r; | |
1006 | ||
1007 | return sd_bus_send(NULL, reply, NULL); | |
1008 | } | |
1009 | ||
40ca29a1 LP |
1010 | static const sd_bus_vtable timedate_vtable[] = { |
1011 | SD_BUS_VTABLE_START(0), | |
1012 | SD_BUS_PROPERTY("Timezone", "s", NULL, offsetof(Context, zone), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
82d115d9 | 1013 | SD_BUS_PROPERTY("LocalRTC", "b", bus_property_get_bool, offsetof(Context, local_rtc), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
5d280742 YW |
1014 | SD_BUS_PROPERTY("CanNTP", "b", property_get_can_ntp, 0, 0), |
1015 | SD_BUS_PROPERTY("NTP", "b", property_get_ntp, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
03cc26dd LP |
1016 | SD_BUS_PROPERTY("NTPSynchronized", "b", property_get_ntp_sync, 0, 0), |
1017 | SD_BUS_PROPERTY("TimeUSec", "t", property_get_time, 0, 0), | |
6fc60278 | 1018 | SD_BUS_PROPERTY("RTCTimeUSec", "t", property_get_rtc_time, 0, 0), |
adacb957 LP |
1019 | SD_BUS_METHOD("SetTime", "xbb", NULL, method_set_time, SD_BUS_VTABLE_UNPRIVILEGED), |
1020 | SD_BUS_METHOD("SetTimezone", "sb", NULL, method_set_timezone, SD_BUS_VTABLE_UNPRIVILEGED), | |
1021 | SD_BUS_METHOD("SetLocalRTC", "bbb", NULL, method_set_local_rtc, SD_BUS_VTABLE_UNPRIVILEGED), | |
1022 | SD_BUS_METHOD("SetNTP", "bb", NULL, method_set_ntp, SD_BUS_VTABLE_UNPRIVILEGED), | |
2cf0b2fe | 1023 | SD_BUS_METHOD("ListTimezones", NULL, "as", method_list_timezones, SD_BUS_VTABLE_UNPRIVILEGED), |
40ca29a1 LP |
1024 | SD_BUS_VTABLE_END, |
1025 | }; | |
1026 | ||
1027 | static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { | |
4afd3348 | 1028 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
f401e48c LP |
1029 | int r; |
1030 | ||
40ca29a1 LP |
1031 | assert(c); |
1032 | assert(event); | |
f401e48c LP |
1033 | assert(_bus); |
1034 | ||
76b54375 | 1035 | r = sd_bus_default_system(&bus); |
f647962d MS |
1036 | if (r < 0) |
1037 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
f401e48c | 1038 | |
19befb2d | 1039 | r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/timedate1", "org.freedesktop.timedate1", timedate_vtable, c); |
f647962d MS |
1040 | if (r < 0) |
1041 | return log_error_errno(r, "Failed to register object: %m"); | |
f401e48c | 1042 | |
0c0b9306 | 1043 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.timedate1", 0, NULL, NULL); |
f647962d | 1044 | if (r < 0) |
0c0b9306 | 1045 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 1046 | |
40ca29a1 | 1047 | r = sd_bus_attach_event(bus, event, 0); |
f647962d MS |
1048 | if (r < 0) |
1049 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
f401e48c | 1050 | |
1cc6c93a | 1051 | *_bus = TAKE_PTR(bus); |
f401e48c | 1052 | |
40ca29a1 | 1053 | return 0; |
f401e48c LP |
1054 | } |
1055 | ||
1f47bc33 YW |
1056 | static int run(int argc, char *argv[]) { |
1057 | _cleanup_(context_clear) Context context = {}; | |
4afd3348 LP |
1058 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
1059 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
f401e48c | 1060 | int r; |
f401e48c | 1061 | |
6bf3c61c | 1062 | log_setup_service(); |
f401e48c | 1063 | |
4c12626c LP |
1064 | umask(0022); |
1065 | ||
1f47bc33 YW |
1066 | if (argc != 1) |
1067 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "This program takes no arguments."); | |
f401e48c | 1068 | |
754f0269 YW |
1069 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
1070 | ||
afc6adb5 | 1071 | r = sd_event_default(&event); |
1f47bc33 YW |
1072 | if (r < 0) |
1073 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
f401e48c | 1074 | |
754f0269 YW |
1075 | (void) sd_event_set_watchdog(event, true); |
1076 | ||
1077 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
1f47bc33 YW |
1078 | if (r < 0) |
1079 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
754f0269 YW |
1080 | |
1081 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
1f47bc33 YW |
1082 | if (r < 0) |
1083 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 1084 | |
40ca29a1 | 1085 | r = connect_bus(&context, event, &bus); |
f401e48c | 1086 | if (r < 0) |
1f47bc33 | 1087 | return r; |
f401e48c | 1088 | |
dc751688 | 1089 | (void) sd_bus_negotiate_timestamp(bus, true); |
2479df30 | 1090 | |
40ca29a1 | 1091 | r = context_read_data(&context); |
1f47bc33 YW |
1092 | if (r < 0) |
1093 | return log_error_errno(r, "Failed to read time zone data: %m"); | |
c5f0532f | 1094 | |
5d280742 YW |
1095 | r = context_parse_ntp_services(&context); |
1096 | if (r < 0) | |
1f47bc33 | 1097 | return r; |
ad740100 | 1098 | |
37224a5f | 1099 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.timedate1", DEFAULT_EXIT_USEC, NULL, NULL); |
1f47bc33 YW |
1100 | if (r < 0) |
1101 | return log_error_errno(r, "Failed to run event loop: %m"); | |
f401e48c | 1102 | |
1f47bc33 | 1103 | return 0; |
f401e48c | 1104 | } |
1f47bc33 YW |
1105 | |
1106 | DEFINE_MAIN_FUNCTION(run); |