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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
f401e48c | 2 | |
f401e48c | 3 | #include <errno.h> |
ca78ad1d ZJS |
4 | #include <sys/stat.h> |
5 | #include <sys/types.h> | |
f401e48c LP |
6 | #include <unistd.h> |
7 | ||
40ca29a1 | 8 | #include "sd-bus.h" |
f4f15635 LP |
9 | #include "sd-event.h" |
10 | #include "sd-messages.h" | |
40ca29a1 | 11 | |
b5efdb8a | 12 | #include "alloc-util.h" |
96aad8d1 | 13 | #include "bus-common-errors.h" |
f4f15635 | 14 | #include "bus-error.h" |
40af3d02 | 15 | #include "bus-get-properties.h" |
9b71e4ab | 16 | #include "bus-locator.h" |
ac9f55ed | 17 | #include "bus-log-control-api.h" |
807542be | 18 | #include "bus-map-properties.h" |
269e4d2d | 19 | #include "bus-polkit.h" |
f4f15635 | 20 | #include "clock-util.h" |
afaae43b | 21 | #include "conf-files.h" |
f4f15635 | 22 | #include "def.h" |
afaae43b | 23 | #include "fd-util.h" |
f4f15635 | 24 | #include "fileio-label.h" |
e4de7287 | 25 | #include "fileio.h" |
f4f15635 | 26 | #include "fs-util.h" |
5d280742 YW |
27 | #include "hashmap.h" |
28 | #include "list.h" | |
1f47bc33 | 29 | #include "main-func.h" |
0a970718 | 30 | #include "memory-util.h" |
36dd5ffd | 31 | #include "missing_capability.h" |
f4f15635 | 32 | #include "path-util.h" |
d7b8eec7 | 33 | #include "selinux-util.h" |
fc021a5b | 34 | #include "service-util.h" |
754f0269 | 35 | #include "signal-util.h" |
5d280742 | 36 | #include "string-util.h" |
f4f15635 | 37 | #include "strv.h" |
5d280742 YW |
38 | #include "unit-def.h" |
39 | #include "unit-name.h" | |
ee104e11 | 40 | #include "user-util.h" |
f401e48c LP |
41 | |
42 | #define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n" | |
43 | #define NULL_ADJTIME_LOCAL "0.0 0 0\n0\nLOCAL\n" | |
44 | ||
afaae43b ZJS |
45 | #define UNIT_LIST_DIRS (const char* const*) CONF_PATHS_STRV("systemd/ntp-units.d") |
46 | ||
5d280742 YW |
47 | typedef struct UnitStatusInfo { |
48 | char *name; | |
49 | char *load_state; | |
50 | char *unit_file_state; | |
51 | char *active_state; | |
cf3872bd | 52 | char *path; |
5d280742 YW |
53 | |
54 | LIST_FIELDS(struct UnitStatusInfo, units); | |
55 | } UnitStatusInfo; | |
56 | ||
40ca29a1 | 57 | typedef struct Context { |
d200735e MS |
58 | char *zone; |
59 | bool local_rtc; | |
40ca29a1 | 60 | Hashmap *polkit_registry; |
2770af85 | 61 | sd_bus_message *cache; |
5d280742 | 62 | |
3af0a96c | 63 | sd_bus_slot *slot_job_removed; |
3af0a96c | 64 | |
5d280742 | 65 | LIST_HEAD(UnitStatusInfo, units); |
40ca29a1 | 66 | } Context; |
f401e48c | 67 | |
5b098203 | 68 | #define log_unit_full_errno_zerook(unit, level, error, ...) \ |
ad7fb943 ZJS |
69 | ({ \ |
70 | const UnitStatusInfo *_u = (unit); \ | |
5b098203 YW |
71 | _u ? log_object_internal(level, error, PROJECT_FILE, __LINE__, __func__, "UNIT=", _u->name, NULL, NULL, ##__VA_ARGS__) : \ |
72 | log_internal(level, error, PROJECT_FILE, __LINE__, __func__, ##__VA_ARGS__); \ | |
ad7fb943 ZJS |
73 | }) |
74 | ||
5b098203 YW |
75 | #define log_unit_full_errno(unit, level, error, ...) \ |
76 | ({ \ | |
77 | int _error = (error); \ | |
78 | ASSERT_NON_ZERO(_error); \ | |
79 | log_unit_full_errno_zerook(unit, level, _error, ##__VA_ARGS__); \ | |
80 | }) | |
81 | ||
82 | #define log_unit_full(unit, level, ...) (void) log_unit_full_errno_zerook(unit, level, 0, ##__VA_ARGS__) | |
83 | ||
84 | #define log_unit_debug(unit, ...) log_unit_full(unit, LOG_DEBUG, ##__VA_ARGS__) | |
85 | #define log_unit_info(unit, ...) log_unit_full(unit, LOG_INFO, ##__VA_ARGS__) | |
86 | #define log_unit_notice(unit, ...) log_unit_full(unit, LOG_NOTICE, ##__VA_ARGS__) | |
87 | #define log_unit_warning(unit, ...) log_unit_full(unit, LOG_WARNING, ##__VA_ARGS__) | |
88 | #define log_unit_error(unit, ...) log_unit_full(unit, LOG_ERR, ##__VA_ARGS__) | |
ad7fb943 | 89 | |
5b098203 YW |
90 | #define log_unit_debug_errno(unit, error, ...) log_unit_full_errno(unit, LOG_DEBUG, error, ##__VA_ARGS__) |
91 | #define log_unit_info_errno(unit, error, ...) log_unit_full_errno(unit, LOG_INFO, error, ##__VA_ARGS__) | |
92 | #define log_unit_notice_errno(unit, error, ...) log_unit_full_errno(unit, LOG_NOTICE, error, ##__VA_ARGS__) | |
93 | #define log_unit_warning_errno(unit, error, ...) log_unit_full_errno(unit, LOG_WARNING, error, ##__VA_ARGS__) | |
94 | #define log_unit_error_errno(unit, error, ...) log_unit_full_errno(unit, LOG_ERR, error, ##__VA_ARGS__) | |
ad7fb943 | 95 | |
5d280742 YW |
96 | static void unit_status_info_clear(UnitStatusInfo *p) { |
97 | assert(p); | |
98 | ||
99 | p->load_state = mfree(p->load_state); | |
100 | p->unit_file_state = mfree(p->unit_file_state); | |
101 | p->active_state = mfree(p->active_state); | |
102 | } | |
103 | ||
104 | static void unit_status_info_free(UnitStatusInfo *p) { | |
105 | assert(p); | |
106 | ||
107 | unit_status_info_clear(p); | |
108 | free(p->name); | |
cf3872bd | 109 | free(p->path); |
5d280742 YW |
110 | free(p); |
111 | } | |
112 | ||
1f47bc33 | 113 | static void context_clear(Context *c) { |
5d280742 YW |
114 | UnitStatusInfo *p; |
115 | ||
40ca29a1 | 116 | assert(c); |
f401e48c | 117 | |
82d115d9 | 118 | free(c->zone); |
36e34057 | 119 | bus_verify_polkit_async_registry_free(c->polkit_registry); |
2770af85 | 120 | sd_bus_message_unref(c->cache); |
5d280742 | 121 | |
3af0a96c | 122 | sd_bus_slot_unref(c->slot_job_removed); |
3af0a96c | 123 | |
5d280742 YW |
124 | while ((p = c->units)) { |
125 | LIST_REMOVE(units, c->units, p); | |
126 | unit_status_info_free(p); | |
127 | } | |
128 | } | |
129 | ||
ad7fb943 | 130 | static int context_add_ntp_service(Context *c, const char *s, const char *source) { |
5d280742 YW |
131 | UnitStatusInfo *u; |
132 | ||
133 | if (!unit_name_is_valid(s, UNIT_NAME_PLAIN)) | |
134 | return -EINVAL; | |
135 | ||
136 | /* Do not add this if it is already listed */ | |
137 | LIST_FOREACH(units, u, c->units) | |
138 | if (streq(u->name, s)) | |
139 | return 0; | |
140 | ||
141 | u = new0(UnitStatusInfo, 1); | |
142 | if (!u) | |
143 | return -ENOMEM; | |
144 | ||
145 | u->name = strdup(s); | |
146 | if (!u->name) { | |
147 | free(u); | |
148 | return -ENOMEM; | |
149 | } | |
150 | ||
151 | LIST_APPEND(units, c->units, u); | |
ad7fb943 | 152 | log_unit_debug(u, "added from %s.", source); |
5d280742 YW |
153 | |
154 | return 0; | |
155 | } | |
156 | ||
afaae43b | 157 | static int context_parse_ntp_services_from_environment(Context *c) { |
5d280742 YW |
158 | const char *env, *p; |
159 | int r; | |
160 | ||
161 | assert(c); | |
162 | ||
163 | env = getenv("SYSTEMD_TIMEDATED_NTP_SERVICES"); | |
afaae43b | 164 | if (!env) |
5d280742 | 165 | return 0; |
afaae43b | 166 | |
ad7fb943 | 167 | log_debug("Using list of ntp services from environment variable $SYSTEMD_TIMEDATED_NTP_SERVICES=%s.", env); |
5d280742 YW |
168 | |
169 | for (p = env;;) { | |
170 | _cleanup_free_ char *word = NULL; | |
171 | ||
172 | r = extract_first_word(&p, &word, ":", 0); | |
173 | if (r == 0) | |
174 | break; | |
175 | if (r == -ENOMEM) | |
176 | return log_oom(); | |
177 | if (r < 0) { | |
178 | log_error("Invalid syntax, ignoring: %s", env); | |
179 | break; | |
180 | } | |
181 | ||
ad7fb943 | 182 | r = context_add_ntp_service(c, word, "$SYSTEMD_TIMEDATED_NTP_SERVICES"); |
5d280742 YW |
183 | if (r < 0) |
184 | log_warning_errno(r, "Failed to add NTP service \"%s\", ignoring: %m", word); | |
185 | } | |
186 | ||
afaae43b ZJS |
187 | return 1; |
188 | } | |
189 | ||
190 | static int context_parse_ntp_services_from_disk(Context *c) { | |
191 | _cleanup_strv_free_ char **files = NULL; | |
192 | char **f; | |
193 | int r; | |
194 | ||
195 | r = conf_files_list_strv(&files, ".list", NULL, CONF_FILES_FILTER_MASKED, UNIT_LIST_DIRS); | |
196 | if (r < 0) | |
197 | return log_error_errno(r, "Failed to enumerate .list files: %m"); | |
198 | ||
199 | STRV_FOREACH(f, files) { | |
200 | _cleanup_fclose_ FILE *file = NULL; | |
201 | ||
202 | log_debug("Reading file '%s'", *f); | |
203 | ||
204 | r = fopen_unlocked(*f, "re", &file); | |
205 | if (r < 0) { | |
206 | log_error_errno(r, "Failed to open %s, ignoring: %m", *f); | |
207 | continue; | |
208 | } | |
209 | ||
210 | for (;;) { | |
211 | _cleanup_free_ char *line = NULL; | |
212 | const char *word; | |
213 | ||
214 | r = read_line(file, LINE_MAX, &line); | |
215 | if (r < 0) { | |
216 | log_error_errno(r, "Failed to read %s, ignoring: %m", *f); | |
217 | continue; | |
218 | } | |
219 | if (r == 0) | |
220 | break; | |
221 | ||
222 | word = strstrip(line); | |
03a81441 | 223 | if (isempty(word) || startswith(word, "#")) |
afaae43b ZJS |
224 | continue; |
225 | ||
ad7fb943 | 226 | r = context_add_ntp_service(c, word, *f); |
afaae43b ZJS |
227 | if (r < 0) |
228 | log_warning_errno(r, "Failed to add NTP service \"%s\", ignoring: %m", word); | |
229 | } | |
230 | } | |
231 | ||
232 | return 1; | |
233 | } | |
234 | ||
235 | static int context_parse_ntp_services(Context *c) { | |
236 | int r; | |
237 | ||
238 | r = context_parse_ntp_services_from_environment(c); | |
239 | if (r != 0) | |
240 | return r; | |
241 | ||
242 | return context_parse_ntp_services_from_disk(c); | |
5d280742 YW |
243 | } |
244 | ||
245 | static int context_ntp_service_is_active(Context *c) { | |
246 | UnitStatusInfo *info; | |
247 | int count = 0; | |
248 | ||
249 | assert(c); | |
250 | ||
251 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ | |
252 | ||
253 | LIST_FOREACH(units, info, c->units) | |
84a87726 | 254 | count += !STRPTR_IN_SET(info->active_state, "inactive", "failed"); |
5d280742 YW |
255 | |
256 | return count; | |
257 | } | |
258 | ||
5d280742 YW |
259 | static int context_ntp_service_exists(Context *c) { |
260 | UnitStatusInfo *info; | |
261 | int count = 0; | |
262 | ||
263 | assert(c); | |
264 | ||
265 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ | |
266 | ||
267 | LIST_FOREACH(units, info, c->units) | |
268 | count += streq_ptr(info->load_state, "loaded"); | |
269 | ||
270 | return count; | |
f401e48c LP |
271 | } |
272 | ||
40ca29a1 | 273 | static int context_read_data(Context *c) { |
424a19f8 | 274 | _cleanup_free_ char *t = NULL; |
40ca29a1 LP |
275 | int r; |
276 | ||
277 | assert(c); | |
f401e48c | 278 | |
5c904ba5 LP |
279 | r = get_timezone(&t); |
280 | if (r == -EINVAL) | |
281 | log_warning_errno(r, "/etc/localtime should be a symbolic link to a time zone data file in /usr/share/zoneinfo/."); | |
282 | else if (r < 0) | |
283 | log_warning_errno(r, "Failed to get target of /etc/localtime: %m"); | |
92c4ef2d | 284 | |
f9ecfd3b | 285 | free_and_replace(c->zone, t); |
f401e48c | 286 | |
6369641d | 287 | c->local_rtc = clock_is_localtime(NULL) > 0; |
f401e48c LP |
288 | |
289 | return 0; | |
290 | } | |
291 | ||
40ca29a1 | 292 | static int context_write_data_timezone(Context *c) { |
424a19f8 | 293 | _cleanup_free_ char *p = NULL; |
9193af0f | 294 | const char *source; |
40ca29a1 LP |
295 | |
296 | assert(c); | |
e19a21a8 | 297 | |
9193af0f LP |
298 | /* No timezone is very similar to UTC. Hence in either of these cases link the UTC file in. Except if |
299 | * it isn't installed, in which case we remove the symlink altogether. Since glibc defaults to an | |
300 | * internal version of UTC in that case behaviour is mostly equivalent. We still prefer creating the | |
301 | * symlink though, since things are more self explanatory then. */ | |
302 | ||
303 | if (isempty(c->zone) || streq(c->zone, "UTC")) { | |
304 | ||
305 | if (access("/usr/share/zoneinfo/UTC", F_OK) < 0) { | |
306 | ||
307 | if (unlink("/etc/localtime") < 0 && errno != ENOENT) | |
308 | return -errno; | |
f401e48c | 309 | |
9193af0f LP |
310 | return 0; |
311 | } | |
312 | ||
313 | source = "../usr/share/zoneinfo/UTC"; | |
314 | } else { | |
315 | p = path_join("../usr/share/zoneinfo", c->zone); | |
316 | if (!p) | |
317 | return -ENOMEM; | |
318 | ||
319 | source = p; | |
320 | } | |
f401e48c | 321 | |
9193af0f | 322 | return symlink_atomic(source, "/etc/localtime"); |
f401e48c LP |
323 | } |
324 | ||
40ca29a1 | 325 | static int context_write_data_local_rtc(Context *c) { |
7fd1b19b | 326 | _cleanup_free_ char *s = NULL, *w = NULL; |
d9cb4bba | 327 | int r; |
f401e48c | 328 | |
40ca29a1 LP |
329 | assert(c); |
330 | ||
f401e48c LP |
331 | r = read_full_file("/etc/adjtime", &s, NULL); |
332 | if (r < 0) { | |
333 | if (r != -ENOENT) | |
334 | return r; | |
335 | ||
40ca29a1 | 336 | if (!c->local_rtc) |
f401e48c LP |
337 | return 0; |
338 | ||
339 | w = strdup(NULL_ADJTIME_LOCAL); | |
340 | if (!w) | |
341 | return -ENOMEM; | |
342 | } else { | |
c9410dd4 | 343 | char *p; |
8f462d87 | 344 | const char *e = "\n"; /* default if there is less than 3 lines */ |
c9410dd4 | 345 | const char *prepend = ""; |
f401e48c LP |
346 | size_t a, b; |
347 | ||
c9410dd4 | 348 | p = strchrnul(s, '\n'); |
cb971cc0 | 349 | if (*p == '\0') |
c9410dd4 MP |
350 | /* only one line, no \n terminator */ |
351 | prepend = "\n0\n"; | |
cb971cc0 | 352 | else if (p[1] == '\0') { |
c9410dd4 MP |
353 | /* only one line, with \n terminator */ |
354 | ++p; | |
355 | prepend = "0\n"; | |
356 | } else { | |
357 | p = strchr(p+1, '\n'); | |
358 | if (!p) { | |
359 | /* only two lines, no \n terminator */ | |
360 | prepend = "\n"; | |
361 | p = s + strlen(s); | |
362 | } else { | |
363 | char *end; | |
364 | /* third line might have a \n terminator or not */ | |
365 | p++; | |
366 | end = strchr(p, '\n'); | |
367 | /* if we actually have a fourth line, use that as suffix "e", otherwise the default \n */ | |
368 | if (end) | |
369 | e = end; | |
370 | } | |
371 | } | |
f401e48c LP |
372 | |
373 | a = p - s; | |
374 | b = strlen(e); | |
375 | ||
c9410dd4 | 376 | w = new(char, a + (c->local_rtc ? 5 : 3) + strlen(prepend) + b + 1); |
d257f05a | 377 | if (!w) |
f401e48c | 378 | return -ENOMEM; |
f401e48c | 379 | |
c9410dd4 | 380 | *(char*) mempcpy(stpcpy(stpcpy(mempcpy(w, s, a), prepend), c->local_rtc ? "LOCAL" : "UTC"), e, b) = 0; |
f401e48c LP |
381 | |
382 | if (streq(w, NULL_ADJTIME_UTC)) { | |
d257f05a | 383 | if (unlink("/etc/adjtime") < 0) |
f401e48c LP |
384 | if (errno != ENOENT) |
385 | return -errno; | |
f401e48c LP |
386 | |
387 | return 0; | |
388 | } | |
389 | } | |
40ca29a1 | 390 | |
a9ba0e32 CG |
391 | r = mac_selinux_init(); |
392 | if (r < 0) | |
393 | return r; | |
394 | ||
d257f05a | 395 | return write_string_file_atomic_label("/etc/adjtime", w); |
f401e48c LP |
396 | } |
397 | ||
5d280742 YW |
398 | static int context_update_ntp_status(Context *c, sd_bus *bus, sd_bus_message *m) { |
399 | static const struct bus_properties_map map[] = { | |
400 | { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) }, | |
401 | { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) }, | |
402 | { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) }, | |
403 | {} | |
404 | }; | |
5d280742 | 405 | UnitStatusInfo *u; |
c5f0532f LP |
406 | int r; |
407 | ||
40ca29a1 | 408 | assert(c); |
c5f0532f LP |
409 | assert(bus); |
410 | ||
2770af85 YW |
411 | /* Suppress calling context_update_ntp_status() multiple times within single DBus transaction. */ |
412 | if (m) { | |
413 | if (m == c->cache) | |
414 | return 0; | |
2aa4c315 | 415 | |
2770af85 YW |
416 | sd_bus_message_unref(c->cache); |
417 | c->cache = sd_bus_message_ref(m); | |
418 | } | |
2aa4c315 | 419 | |
5d280742 YW |
420 | LIST_FOREACH(units, u, c->units) { |
421 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5d280742 | 422 | _cleanup_free_ char *path = NULL; |
c5f0532f | 423 | |
5d280742 | 424 | unit_status_info_clear(u); |
40ca29a1 | 425 | |
5d280742 YW |
426 | path = unit_dbus_path_from_name(u->name); |
427 | if (!path) | |
428 | return -ENOMEM; | |
429 | ||
430 | r = bus_map_all_properties( | |
431 | bus, | |
432 | "org.freedesktop.systemd1", | |
433 | path, | |
434 | map, | |
435 | BUS_MAP_STRDUP, | |
436 | &error, | |
437 | NULL, | |
438 | u); | |
439 | if (r < 0) | |
ad7fb943 | 440 | return log_unit_error_errno(u, r, "Failed to get properties: %s", bus_error_message(&error, r)); |
5d280742 | 441 | } |
c5f0532f | 442 | |
40ca29a1 | 443 | return 0; |
c5f0532f LP |
444 | } |
445 | ||
3af0a96c | 446 | static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
3af0a96c | 447 | Context *c = userdata; |
cf3872bd YW |
448 | UnitStatusInfo *u; |
449 | const char *path; | |
450 | unsigned n = 0; | |
3af0a96c YW |
451 | int r; |
452 | ||
453 | assert(c); | |
454 | assert(m); | |
455 | ||
456 | r = sd_bus_message_read(m, "uoss", NULL, &path, NULL, NULL); | |
457 | if (r < 0) { | |
458 | bus_log_parse_error(r); | |
459 | return 0; | |
460 | } | |
461 | ||
cf3872bd YW |
462 | LIST_FOREACH(units, u, c->units) |
463 | if (streq_ptr(path, u->path)) | |
464 | u->path = mfree(u->path); | |
465 | else | |
466 | n += !!u->path; | |
3af0a96c | 467 | |
cf3872bd | 468 | if (n == 0) { |
cf3872bd | 469 | c->slot_job_removed = sd_bus_slot_unref(c->slot_job_removed); |
49942d6b | 470 | |
ad7fb943 ZJS |
471 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
472 | "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "NTP", | |
473 | NULL); | |
cf3872bd | 474 | } |
3af0a96c YW |
475 | |
476 | return 0; | |
477 | } | |
478 | ||
cf3872bd | 479 | static int unit_start_or_stop(UnitStatusInfo *u, sd_bus *bus, sd_bus_error *error, bool start) { |
3af0a96c | 480 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
3af0a96c | 481 | const char *path; |
c5f0532f LP |
482 | int r; |
483 | ||
5d280742 | 484 | assert(u); |
c5f0532f LP |
485 | assert(bus); |
486 | assert(error); | |
487 | ||
43fe4f76 | 488 | r = bus_call_method( |
81b84399 | 489 | bus, |
43fe4f76 | 490 | bus_systemd_mgr, |
5d280742 | 491 | start ? "StartUnit" : "StopUnit", |
81b84399 | 492 | error, |
3af0a96c | 493 | &reply, |
81b84399 | 494 | "ss", |
5d280742 | 495 | u->name, |
81b84399 | 496 | "replace"); |
5b098203 YW |
497 | log_unit_full_errno_zerook(u, r < 0 ? LOG_WARNING : LOG_DEBUG, r, |
498 | "%s unit: %m", start ? "Starting" : "Stopping"); | |
5d280742 | 499 | if (r < 0) |
b72ddf0f | 500 | return r; |
c5f0532f | 501 | |
3af0a96c YW |
502 | r = sd_bus_message_read(reply, "o", &path); |
503 | if (r < 0) | |
504 | return bus_log_parse_error(r); | |
505 | ||
cf3872bd | 506 | r = free_and_strdup(&u->path, path); |
3af0a96c YW |
507 | if (r < 0) |
508 | return log_oom(); | |
509 | ||
b72ddf0f | 510 | return 0; |
c5f0532f LP |
511 | } |
512 | ||
5d280742 | 513 | static int unit_enable_or_disable(UnitStatusInfo *u, sd_bus *bus, sd_bus_error *error, bool enable) { |
c5f0532f | 514 | int r; |
c5f0532f | 515 | |
5d280742 | 516 | assert(u); |
c5f0532f LP |
517 | assert(bus); |
518 | assert(error); | |
519 | ||
5d280742 YW |
520 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ |
521 | ||
ad7fb943 ZJS |
522 | if (streq(u->unit_file_state, "enabled") == enable) { |
523 | log_unit_debug(u, "already %sd.", enable_disable(enable)); | |
5d280742 | 524 | return 0; |
ad7fb943 ZJS |
525 | } |
526 | ||
527 | log_unit_info(u, "%s unit.", enable ? "Enabling" : "Disabling"); | |
5d280742 YW |
528 | |
529 | if (enable) | |
43fe4f76 | 530 | r = bus_call_method( |
40ca29a1 | 531 | bus, |
43fe4f76 | 532 | bus_systemd_mgr, |
b72ddf0f | 533 | "EnableUnitFiles", |
40ca29a1 LP |
534 | error, |
535 | NULL, | |
b72ddf0f | 536 | "asbb", 1, |
5d280742 | 537 | u->name, |
b72ddf0f KS |
538 | false, true); |
539 | else | |
43fe4f76 | 540 | r = bus_call_method( |
b72ddf0f | 541 | bus, |
43fe4f76 | 542 | bus_systemd_mgr, |
b72ddf0f KS |
543 | "DisableUnitFiles", |
544 | error, | |
545 | NULL, | |
546 | "asb", 1, | |
5d280742 | 547 | u->name, |
b72ddf0f | 548 | false); |
5d280742 | 549 | if (r < 0) |
b72ddf0f | 550 | return r; |
c5f0532f | 551 | |
43fe4f76 | 552 | r = bus_call_method(bus, bus_systemd_mgr, "Reload", error, NULL, NULL); |
3af0a96c YW |
553 | if (r < 0) |
554 | return r; | |
555 | ||
b72ddf0f | 556 | return 0; |
40ca29a1 | 557 | } |
c5f0532f | 558 | |
6cc379b5 YW |
559 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_time, "t", now(CLOCK_REALTIME)); |
560 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_ntp_sync, "b", ntp_synced()); | |
561 | ||
6fc60278 LP |
562 | static int property_get_rtc_time( |
563 | sd_bus *bus, | |
564 | const char *path, | |
565 | const char *interface, | |
566 | const char *property, | |
567 | sd_bus_message *reply, | |
ebcf1f97 LP |
568 | void *userdata, |
569 | sd_bus_error *error) { | |
6fc60278 | 570 | |
d9cb4bba ZJS |
571 | struct tm tm = {}; |
572 | usec_t t = 0; | |
6fc60278 LP |
573 | int r; |
574 | ||
60989612 | 575 | r = clock_get_hwclock(&tm); |
d9cb4bba | 576 | if (r == -EBUSY) |
07a062a7 | 577 | log_warning("/dev/rtc is busy. Is somebody keeping it open continuously? That's not a good idea... Returning a bogus RTC timestamp."); |
d9cb4bba | 578 | else if (r == -ENOENT) |
07a062a7 | 579 | log_debug("/dev/rtc not found."); |
d9cb4bba | 580 | else if (r < 0) |
10a87006 | 581 | return sd_bus_error_set_errnof(error, r, "Failed to read RTC: %m"); |
ebcf1f97 | 582 | else |
2f6a5907 | 583 | t = (usec_t) timegm(&tm) * USEC_PER_SEC; |
6fc60278 | 584 | |
ebcf1f97 | 585 | return sd_bus_message_append(reply, "t", t); |
6fc60278 LP |
586 | } |
587 | ||
5d280742 YW |
588 | static int property_get_can_ntp( |
589 | sd_bus *bus, | |
590 | const char *path, | |
591 | const char *interface, | |
592 | const char *property, | |
593 | sd_bus_message *reply, | |
594 | void *userdata, | |
595 | sd_bus_error *error) { | |
596 | ||
597 | Context *c = userdata; | |
598 | int r; | |
599 | ||
600 | assert(c); | |
601 | assert(bus); | |
602 | assert(property); | |
603 | assert(reply); | |
604 | assert(error); | |
605 | ||
b4356b57 YW |
606 | if (c->slot_job_removed) |
607 | /* When the previous request is not finished, then assume NTP is enabled. */ | |
608 | return sd_bus_message_append(reply, "b", true); | |
609 | ||
5d280742 YW |
610 | r = context_update_ntp_status(c, bus, reply); |
611 | if (r < 0) | |
612 | return r; | |
613 | ||
614 | return sd_bus_message_append(reply, "b", context_ntp_service_exists(c) > 0); | |
615 | } | |
616 | ||
617 | static int property_get_ntp( | |
618 | sd_bus *bus, | |
619 | const char *path, | |
620 | const char *interface, | |
621 | const char *property, | |
622 | sd_bus_message *reply, | |
623 | void *userdata, | |
624 | sd_bus_error *error) { | |
625 | ||
626 | Context *c = userdata; | |
627 | int r; | |
628 | ||
629 | assert(c); | |
630 | assert(bus); | |
631 | assert(property); | |
632 | assert(reply); | |
633 | assert(error); | |
634 | ||
b4356b57 YW |
635 | if (c->slot_job_removed) |
636 | /* When the previous request is not finished, then assume NTP is active. */ | |
637 | return sd_bus_message_append(reply, "b", true); | |
638 | ||
5d280742 YW |
639 | r = context_update_ntp_status(c, bus, reply); |
640 | if (r < 0) | |
641 | return r; | |
642 | ||
643 | return sd_bus_message_append(reply, "b", context_ntp_service_is_active(c) > 0); | |
644 | } | |
645 | ||
19070062 | 646 | static int method_set_timezone(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
40ca29a1 | 647 | Context *c = userdata; |
2c3def62 | 648 | int interactive, r; |
40ca29a1 | 649 | const char *z; |
c5f0532f | 650 | |
7e9cf16c LP |
651 | assert(m); |
652 | assert(c); | |
653 | ||
40ca29a1 LP |
654 | r = sd_bus_message_read(m, "sb", &z, &interactive); |
655 | if (r < 0) | |
ebcf1f97 | 656 | return r; |
c5f0532f | 657 | |
089fb865 | 658 | if (!timezone_is_valid(z, LOG_DEBUG)) |
5322db06 | 659 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid or not installed time zone '%s'", z); |
ac7019f3 | 660 | |
539a68e0 | 661 | if (streq_ptr(z, c->zone)) |
df2d202e | 662 | return sd_bus_reply_method_return(m, NULL); |
c5f0532f | 663 | |
c529695e LP |
664 | r = bus_verify_polkit_async( |
665 | m, | |
666 | CAP_SYS_TIME, | |
667 | "org.freedesktop.timedate1.set-timezone", | |
403ed0e5 | 668 | NULL, |
c529695e LP |
669 | interactive, |
670 | UID_INVALID, | |
671 | &c->polkit_registry, | |
672 | error); | |
40ca29a1 | 673 | if (r < 0) |
ebcf1f97 | 674 | return r; |
40ca29a1 | 675 | if (r == 0) |
6fc60278 | 676 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ |
6ffe5e37 | 677 | |
539a68e0 YW |
678 | r = free_and_strdup(&c->zone, z); |
679 | if (r < 0) | |
680 | return r; | |
681 | ||
40ca29a1 LP |
682 | /* 1. Write new configuration file */ |
683 | r = context_write_data_timezone(c); | |
684 | if (r < 0) { | |
da927ba9 | 685 | log_error_errno(r, "Failed to set time zone: %m"); |
10a87006 | 686 | return sd_bus_error_set_errnof(error, r, "Failed to set time zone: %m"); |
40ca29a1 | 687 | } |
6ffe5e37 | 688 | |
8a50b96f LP |
689 | /* 2. Make glibc notice the new timezone */ |
690 | tzset(); | |
691 | ||
692 | /* 3. Tell the kernel our timezone */ | |
2a7ff45f LP |
693 | r = clock_set_timezone(NULL); |
694 | if (r < 0) | |
695 | log_debug_errno(r, "Failed to tell kernel about timezone, ignoring: %m"); | |
6ffe5e37 | 696 | |
40ca29a1 LP |
697 | if (c->local_rtc) { |
698 | struct timespec ts; | |
e0f691e1 | 699 | struct tm tm; |
c5f0532f | 700 | |
8a50b96f | 701 | /* 4. Sync RTC from system clock, with the new delta */ |
40ca29a1 | 702 | assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0); |
e0f691e1 | 703 | assert_se(localtime_r(&ts.tv_sec, &tm)); |
2a7ff45f | 704 | |
e0f691e1 | 705 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
706 | if (r < 0) |
707 | log_debug_errno(r, "Failed to sync time to hardware clock, ignoring: %m"); | |
40ca29a1 | 708 | } |
c5f0532f | 709 | |
40ca29a1 | 710 | log_struct(LOG_INFO, |
2b044526 | 711 | "MESSAGE_ID=" SD_MESSAGE_TIMEZONE_CHANGE_STR, |
40ca29a1 | 712 | "TIMEZONE=%s", c->zone, |
8a50b96f LP |
713 | "TIMEZONE_SHORTNAME=%s", tzname[daylight], |
714 | "DAYLIGHT=%i", daylight, | |
a1230ff9 | 715 | LOG_MESSAGE("Changed time zone to '%s' (%s).", c->zone, tzname[daylight])); |
c5f0532f | 716 | |
ad7fb943 ZJS |
717 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
718 | "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "Timezone", | |
719 | NULL); | |
c5f0532f | 720 | |
df2d202e | 721 | return sd_bus_reply_method_return(m, NULL); |
c5f0532f LP |
722 | } |
723 | ||
19070062 | 724 | static int method_set_local_rtc(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
102d8f81 | 725 | int lrtc, fix_system, interactive; |
40ca29a1 LP |
726 | Context *c = userdata; |
727 | struct timespec ts; | |
f401e48c LP |
728 | int r; |
729 | ||
40ca29a1 LP |
730 | assert(m); |
731 | assert(c); | |
f401e48c | 732 | |
40ca29a1 LP |
733 | r = sd_bus_message_read(m, "bbb", &lrtc, &fix_system, &interactive); |
734 | if (r < 0) | |
ebcf1f97 | 735 | return r; |
f401e48c | 736 | |
2be6c475 | 737 | if (lrtc == c->local_rtc && !fix_system) |
df2d202e | 738 | return sd_bus_reply_method_return(m, NULL); |
f401e48c | 739 | |
c529695e LP |
740 | r = bus_verify_polkit_async( |
741 | m, | |
742 | CAP_SYS_TIME, | |
743 | "org.freedesktop.timedate1.set-local-rtc", | |
403ed0e5 | 744 | NULL, |
c529695e LP |
745 | interactive, |
746 | UID_INVALID, | |
747 | &c->polkit_registry, | |
748 | error); | |
40ca29a1 | 749 | if (r < 0) |
ebcf1f97 | 750 | return r; |
40ca29a1 LP |
751 | if (r == 0) |
752 | return 1; | |
f401e48c | 753 | |
2be6c475 YW |
754 | if (lrtc != c->local_rtc) { |
755 | c->local_rtc = lrtc; | |
f401e48c | 756 | |
2be6c475 YW |
757 | /* 1. Write new configuration file */ |
758 | r = context_write_data_local_rtc(c); | |
759 | if (r < 0) { | |
760 | log_error_errno(r, "Failed to set RTC to %s: %m", lrtc ? "local" : "UTC"); | |
761 | return sd_bus_error_set_errnof(error, r, "Failed to set RTC to %s: %m", lrtc ? "local" : "UTC"); | |
762 | } | |
40ca29a1 | 763 | } |
f401e48c | 764 | |
40ca29a1 | 765 | /* 2. Tell the kernel our timezone */ |
2a7ff45f LP |
766 | r = clock_set_timezone(NULL); |
767 | if (r < 0) | |
768 | log_debug_errno(r, "Failed to tell kernel about timezone, ignoring: %m"); | |
f401e48c | 769 | |
40ca29a1 LP |
770 | /* 3. Synchronize clocks */ |
771 | assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0); | |
f401e48c | 772 | |
40ca29a1 LP |
773 | if (fix_system) { |
774 | struct tm tm; | |
f401e48c | 775 | |
2a7ff45f | 776 | /* Sync system clock from RTC; first, initialize the timezone fields of struct tm. */ |
56b0ef2f | 777 | localtime_or_gmtime_r(&ts.tv_sec, &tm, !c->local_rtc); |
72edcff5 | 778 | |
2a7ff45f LP |
779 | /* Override the main fields of struct tm, but not the timezone fields */ |
780 | r = clock_get_hwclock(&tm); | |
781 | if (r < 0) | |
782 | log_debug_errno(r, "Failed to get hardware clock, ignoring: %m"); | |
783 | else { | |
784 | /* And set the system clock with this */ | |
df49792e | 785 | ts.tv_sec = mktime_or_timegm(&tm, !c->local_rtc); |
2076cf88 | 786 | |
2a7ff45f LP |
787 | if (clock_settime(CLOCK_REALTIME, &ts) < 0) |
788 | log_debug_errno(errno, "Failed to update system clock, ignoring: %m"); | |
f401e48c LP |
789 | } |
790 | ||
40ca29a1 | 791 | } else { |
e46acb79 | 792 | struct tm tm; |
f401e48c | 793 | |
40ca29a1 | 794 | /* Sync RTC from system clock */ |
56b0ef2f | 795 | localtime_or_gmtime_r(&ts.tv_sec, &tm, !c->local_rtc); |
2076cf88 | 796 | |
e46acb79 | 797 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
798 | if (r < 0) |
799 | log_debug_errno(r, "Failed to sync time to hardware clock, ignoring: %m"); | |
40ca29a1 | 800 | } |
2076cf88 | 801 | |
40ca29a1 | 802 | log_info("RTC configured to %s time.", c->local_rtc ? "local" : "UTC"); |
2076cf88 | 803 | |
ad7fb943 ZJS |
804 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
805 | "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "LocalRTC", | |
806 | NULL); | |
2076cf88 | 807 | |
df2d202e | 808 | return sd_bus_reply_method_return(m, NULL); |
40ca29a1 | 809 | } |
2076cf88 | 810 | |
19070062 | 811 | static int method_set_time(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
5d280742 | 812 | sd_bus *bus = sd_bus_message_get_bus(m); |
dfc5c4f2 | 813 | char buf[FORMAT_TIMESTAMP_MAX]; |
5d280742 | 814 | int relative, interactive, r; |
40ca29a1 LP |
815 | Context *c = userdata; |
816 | int64_t utc; | |
817 | struct timespec ts; | |
2479df30 | 818 | usec_t start; |
e46acb79 | 819 | struct tm tm; |
2076cf88 | 820 | |
40ca29a1 LP |
821 | assert(m); |
822 | assert(c); | |
2076cf88 | 823 | |
b4356b57 YW |
824 | if (c->slot_job_removed) |
825 | return sd_bus_error_set(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Previous request is not finished, refusing."); | |
826 | ||
5d280742 YW |
827 | r = context_update_ntp_status(c, bus, m); |
828 | if (r < 0) | |
829 | return sd_bus_error_set_errnof(error, r, "Failed to update context: %m"); | |
830 | ||
831 | if (context_ntp_service_is_active(c) > 0) | |
e9e5ea88 | 832 | return sd_bus_error_set(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Automatic time synchronization is enabled"); |
82d115d9 | 833 | |
6829cec4 SL |
834 | /* this only gets used if dbus does not provide a timestamp */ |
835 | start = now(CLOCK_MONOTONIC); | |
836 | ||
40ca29a1 LP |
837 | r = sd_bus_message_read(m, "xbb", &utc, &relative, &interactive); |
838 | if (r < 0) | |
ebcf1f97 | 839 | return r; |
2076cf88 | 840 | |
40ca29a1 | 841 | if (!relative && utc <= 0) |
e9e5ea88 | 842 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid absolute time"); |
2076cf88 | 843 | |
40ca29a1 | 844 | if (relative && utc == 0) |
df2d202e | 845 | return sd_bus_reply_method_return(m, NULL); |
2076cf88 | 846 | |
40ca29a1 LP |
847 | if (relative) { |
848 | usec_t n, x; | |
f401e48c | 849 | |
40ca29a1 LP |
850 | n = now(CLOCK_REALTIME); |
851 | x = n + utc; | |
f401e48c | 852 | |
40ca29a1 LP |
853 | if ((utc > 0 && x < n) || |
854 | (utc < 0 && x > n)) | |
e9e5ea88 | 855 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Time value overflow"); |
f401e48c | 856 | |
40ca29a1 LP |
857 | timespec_store(&ts, x); |
858 | } else | |
859 | timespec_store(&ts, (usec_t) utc); | |
2076cf88 | 860 | |
c529695e LP |
861 | r = bus_verify_polkit_async( |
862 | m, | |
863 | CAP_SYS_TIME, | |
864 | "org.freedesktop.timedate1.set-time", | |
403ed0e5 | 865 | NULL, |
c529695e LP |
866 | interactive, |
867 | UID_INVALID, | |
868 | &c->polkit_registry, | |
869 | error); | |
40ca29a1 | 870 | if (r < 0) |
ebcf1f97 | 871 | return r; |
40ca29a1 LP |
872 | if (r == 0) |
873 | return 1; | |
874 | ||
2479df30 SL |
875 | /* adjust ts for time spent in program */ |
876 | r = sd_bus_message_get_monotonic_usec(m, &start); | |
6829cec4 | 877 | /* when sd_bus_message_get_monotonic_usec() returns -ENODATA it does not modify &start */ |
2479df30 SL |
878 | if (r < 0 && r != -ENODATA) |
879 | return r; | |
6829cec4 SL |
880 | |
881 | timespec_store(&ts, timespec_load(&ts) + (now(CLOCK_MONOTONIC) - start)); | |
2479df30 | 882 | |
40ca29a1 LP |
883 | /* Set system clock */ |
884 | if (clock_settime(CLOCK_REALTIME, &ts) < 0) { | |
56f64d95 | 885 | log_error_errno(errno, "Failed to set local time: %m"); |
ebcf1f97 | 886 | return sd_bus_error_set_errnof(error, errno, "Failed to set local time: %m"); |
40ca29a1 | 887 | } |
2076cf88 | 888 | |
40ca29a1 | 889 | /* Sync down to RTC */ |
56b0ef2f | 890 | localtime_or_gmtime_r(&ts.tv_sec, &tm, !c->local_rtc); |
2a7ff45f | 891 | |
e46acb79 | 892 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
893 | if (r < 0) |
894 | log_debug_errno(r, "Failed to update hardware clock, ignoring: %m"); | |
f401e48c | 895 | |
40ca29a1 | 896 | log_struct(LOG_INFO, |
2b044526 | 897 | "MESSAGE_ID=" SD_MESSAGE_TIME_CHANGE_STR, |
de0671ee | 898 | "REALTIME="USEC_FMT, timespec_load(&ts), |
dfc5c4f2 | 899 | LOG_MESSAGE("Changed local time to %s", strnull(format_timestamp(buf, sizeof(buf), timespec_load(&ts))))); |
f401e48c | 900 | |
df2d202e | 901 | return sd_bus_reply_method_return(m, NULL); |
40ca29a1 | 902 | } |
f401e48c | 903 | |
19070062 | 904 | static int method_set_ntp(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
cf3872bd | 905 | _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot = NULL; |
5d280742 | 906 | sd_bus *bus = sd_bus_message_get_bus(m); |
40ca29a1 | 907 | Context *c = userdata; |
5d280742 | 908 | UnitStatusInfo *u; |
ad7fb943 | 909 | const UnitStatusInfo *selected = NULL; |
5d280742 | 910 | int enable, interactive, q, r; |
f401e48c | 911 | |
19070062 | 912 | assert(m); |
5d280742 | 913 | assert(bus); |
19070062 LP |
914 | assert(c); |
915 | ||
5d280742 | 916 | r = sd_bus_message_read(m, "bb", &enable, &interactive); |
40ca29a1 | 917 | if (r < 0) |
ebcf1f97 | 918 | return r; |
f401e48c | 919 | |
5d280742 YW |
920 | r = context_update_ntp_status(c, bus, m); |
921 | if (r < 0) | |
922 | return r; | |
923 | ||
924 | if (context_ntp_service_exists(c) <= 0) | |
925 | return sd_bus_error_set(error, BUS_ERROR_NO_NTP_SUPPORT, "NTP not supported"); | |
f401e48c | 926 | |
c529695e LP |
927 | r = bus_verify_polkit_async( |
928 | m, | |
929 | CAP_SYS_TIME, | |
930 | "org.freedesktop.timedate1.set-ntp", | |
403ed0e5 | 931 | NULL, |
c529695e LP |
932 | interactive, |
933 | UID_INVALID, | |
934 | &c->polkit_registry, | |
935 | error); | |
40ca29a1 | 936 | if (r < 0) |
ebcf1f97 | 937 | return r; |
40ca29a1 LP |
938 | if (r == 0) |
939 | return 1; | |
f401e48c | 940 | |
cf3872bd YW |
941 | /* This method may be called frequently. Forget the previous job if it has not completed yet. */ |
942 | LIST_FOREACH(units, u, c->units) | |
943 | u->path = mfree(u->path); | |
944 | ||
945 | if (!c->slot_job_removed) { | |
43fe4f76 | 946 | r = bus_match_signal_async( |
cf3872bd YW |
947 | bus, |
948 | &slot, | |
43fe4f76 | 949 | bus_systemd_mgr, |
cf3872bd YW |
950 | "JobRemoved", |
951 | match_job_removed, NULL, c); | |
952 | if (r < 0) | |
953 | return r; | |
954 | } | |
955 | ||
0957790b | 956 | if (enable) |
5d280742 | 957 | LIST_FOREACH(units, u, c->units) { |
0957790b | 958 | bool enable_this_one = !selected; |
5d280742 | 959 | |
5d280742 YW |
960 | if (!streq(u->load_state, "loaded")) |
961 | continue; | |
962 | ||
0957790b | 963 | r = unit_enable_or_disable(u, bus, error, enable_this_one); |
5d280742 | 964 | if (r < 0) |
0957790b ZJS |
965 | /* If enablement failed, don't start this unit. */ |
966 | enable_this_one = false; | |
5d280742 | 967 | |
0957790b ZJS |
968 | r = unit_start_or_stop(u, bus, error, enable_this_one); |
969 | if (r < 0) | |
970 | log_unit_warning_errno(u, r, "Failed to %s %sd NTP unit, ignoring: %m", | |
971 | enable_this_one ? "start" : "stop", | |
972 | enable_disable(enable_this_one)); | |
973 | if (enable_this_one) | |
974 | selected = u; | |
5d280742 | 975 | } |
3af0a96c | 976 | else |
5d280742 | 977 | LIST_FOREACH(units, u, c->units) { |
0957790b | 978 | if (!streq(u->load_state, "loaded")) |
5d280742 YW |
979 | continue; |
980 | ||
0957790b ZJS |
981 | q = unit_enable_or_disable(u, bus, error, false); |
982 | if (q < 0) | |
983 | r = q; | |
984 | ||
985 | q = unit_start_or_stop(u, bus, error, false); | |
986 | if (q < 0) | |
987 | r = q; | |
5d280742 | 988 | } |
40ca29a1 | 989 | |
40ca29a1 | 990 | if (r < 0) |
ebcf1f97 | 991 | return r; |
ad7fb943 ZJS |
992 | if (enable && !selected) |
993 | return log_error_errno(SYNTHETIC_ERRNO(ENOENT), "No NTP service found to enable."); | |
f401e48c | 994 | |
cf3872bd YW |
995 | if (slot) |
996 | c->slot_job_removed = TAKE_PTR(slot); | |
997 | ||
ad7fb943 ZJS |
998 | if (selected) |
999 | log_info("Set NTP to enabled (%s).", selected->name); | |
1000 | else | |
1001 | log_info("Set NTP to disabled."); | |
f401e48c | 1002 | |
df2d202e | 1003 | return sd_bus_reply_method_return(m, NULL); |
f401e48c LP |
1004 | } |
1005 | ||
2cf0b2fe NT |
1006 | static int method_list_timezones(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1007 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1008 | _cleanup_strv_free_ char **zones = NULL; | |
1009 | int r; | |
1010 | ||
1011 | assert(m); | |
1012 | ||
1013 | r = get_timezones(&zones); | |
1014 | if (r < 0) | |
1015 | return sd_bus_error_set_errnof(error, r, "Failed to read list of time zones: %m"); | |
1016 | ||
1017 | r = sd_bus_message_new_method_return(m, &reply); | |
1018 | if (r < 0) | |
1019 | return r; | |
1020 | ||
1021 | r = sd_bus_message_append_strv(reply, zones); | |
1022 | if (r < 0) | |
1023 | return r; | |
1024 | ||
1025 | return sd_bus_send(NULL, reply, NULL); | |
1026 | } | |
1027 | ||
40ca29a1 LP |
1028 | static const sd_bus_vtable timedate_vtable[] = { |
1029 | SD_BUS_VTABLE_START(0), | |
599c99ee | 1030 | |
40ca29a1 | 1031 | SD_BUS_PROPERTY("Timezone", "s", NULL, offsetof(Context, zone), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
82d115d9 | 1032 | SD_BUS_PROPERTY("LocalRTC", "b", bus_property_get_bool, offsetof(Context, local_rtc), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
5d280742 YW |
1033 | SD_BUS_PROPERTY("CanNTP", "b", property_get_can_ntp, 0, 0), |
1034 | SD_BUS_PROPERTY("NTP", "b", property_get_ntp, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
03cc26dd LP |
1035 | SD_BUS_PROPERTY("NTPSynchronized", "b", property_get_ntp_sync, 0, 0), |
1036 | SD_BUS_PROPERTY("TimeUSec", "t", property_get_time, 0, 0), | |
6fc60278 | 1037 | SD_BUS_PROPERTY("RTCTimeUSec", "t", property_get_rtc_time, 0, 0), |
599c99ee ZJS |
1038 | |
1039 | SD_BUS_METHOD_WITH_NAMES("SetTime", | |
1040 | "xbb", | |
1041 | SD_BUS_PARAM(usec_utc) | |
1042 | SD_BUS_PARAM(relative) | |
1043 | SD_BUS_PARAM(interactive), | |
1044 | NULL,, | |
1045 | method_set_time, | |
1046 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1047 | SD_BUS_METHOD_WITH_NAMES("SetTimezone", | |
1048 | "sb", | |
1049 | SD_BUS_PARAM(timezone) | |
1050 | SD_BUS_PARAM(interactive), | |
1051 | NULL,, | |
1052 | method_set_timezone, | |
1053 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1054 | SD_BUS_METHOD_WITH_NAMES("SetLocalRTC", | |
1055 | "bbb", | |
1056 | SD_BUS_PARAM(local_rtc) | |
1057 | SD_BUS_PARAM(fix_system) | |
1058 | SD_BUS_PARAM(interactive), | |
1059 | NULL,, | |
1060 | method_set_local_rtc, | |
1061 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1062 | SD_BUS_METHOD_WITH_NAMES("SetNTP", | |
1063 | "bb", | |
1064 | SD_BUS_PARAM(use_ntp) | |
1065 | SD_BUS_PARAM(interactive), | |
1066 | NULL,, | |
1067 | method_set_ntp, | |
1068 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1069 | SD_BUS_METHOD_WITH_NAMES("ListTimezones", | |
1070 | NULL,, | |
1071 | "as", | |
1072 | SD_BUS_PARAM(timezones), | |
1073 | method_list_timezones, | |
1074 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1075 | ||
40ca29a1 LP |
1076 | SD_BUS_VTABLE_END, |
1077 | }; | |
1078 | ||
c4b7d95c ZJS |
1079 | const BusObjectImplementation manager_object = { |
1080 | "/org/freedesktop/timedate1", | |
1081 | "org.freedesktop.timedate1", | |
1082 | .vtables = BUS_VTABLES(timedate_vtable), | |
1083 | }; | |
1084 | ||
40ca29a1 | 1085 | static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { |
4afd3348 | 1086 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
f401e48c LP |
1087 | int r; |
1088 | ||
40ca29a1 LP |
1089 | assert(c); |
1090 | assert(event); | |
f401e48c LP |
1091 | assert(_bus); |
1092 | ||
76b54375 | 1093 | r = sd_bus_default_system(&bus); |
f647962d MS |
1094 | if (r < 0) |
1095 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
f401e48c | 1096 | |
c4b7d95c | 1097 | r = bus_add_implementation(bus, &manager_object, c); |
f647962d | 1098 | if (r < 0) |
c4b7d95c | 1099 | return r; |
f401e48c | 1100 | |
ac9f55ed LP |
1101 | r = bus_log_control_api_register(bus); |
1102 | if (r < 0) | |
1103 | return r; | |
1104 | ||
0c0b9306 | 1105 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.timedate1", 0, NULL, NULL); |
f647962d | 1106 | if (r < 0) |
0c0b9306 | 1107 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 1108 | |
40ca29a1 | 1109 | r = sd_bus_attach_event(bus, event, 0); |
f647962d MS |
1110 | if (r < 0) |
1111 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
f401e48c | 1112 | |
1cc6c93a | 1113 | *_bus = TAKE_PTR(bus); |
f401e48c | 1114 | |
40ca29a1 | 1115 | return 0; |
f401e48c LP |
1116 | } |
1117 | ||
1f47bc33 YW |
1118 | static int run(int argc, char *argv[]) { |
1119 | _cleanup_(context_clear) Context context = {}; | |
4afd3348 LP |
1120 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
1121 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
f401e48c | 1122 | int r; |
f401e48c | 1123 | |
d2acb93d | 1124 | log_setup(); |
f401e48c | 1125 | |
fc021a5b ZJS |
1126 | r = service_parse_argv("systemd-timedated.service", |
1127 | "Manage the system clock and timezone and NTP enablement.", | |
c4b7d95c ZJS |
1128 | BUS_IMPLEMENTATIONS(&manager_object, |
1129 | &log_control_object), | |
fc021a5b ZJS |
1130 | argc, argv); |
1131 | if (r <= 0) | |
1132 | return r; | |
4c12626c | 1133 | |
fc021a5b | 1134 | umask(0022); |
f401e48c | 1135 | |
754f0269 YW |
1136 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
1137 | ||
afc6adb5 | 1138 | r = sd_event_default(&event); |
1f47bc33 YW |
1139 | if (r < 0) |
1140 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
f401e48c | 1141 | |
754f0269 YW |
1142 | (void) sd_event_set_watchdog(event, true); |
1143 | ||
1144 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
1f47bc33 YW |
1145 | if (r < 0) |
1146 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
754f0269 YW |
1147 | |
1148 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
1f47bc33 YW |
1149 | if (r < 0) |
1150 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 1151 | |
40ca29a1 | 1152 | r = connect_bus(&context, event, &bus); |
f401e48c | 1153 | if (r < 0) |
1f47bc33 | 1154 | return r; |
f401e48c | 1155 | |
dc751688 | 1156 | (void) sd_bus_negotiate_timestamp(bus, true); |
2479df30 | 1157 | |
40ca29a1 | 1158 | r = context_read_data(&context); |
1f47bc33 YW |
1159 | if (r < 0) |
1160 | return log_error_errno(r, "Failed to read time zone data: %m"); | |
c5f0532f | 1161 | |
5d280742 YW |
1162 | r = context_parse_ntp_services(&context); |
1163 | if (r < 0) | |
1f47bc33 | 1164 | return r; |
ad740100 | 1165 | |
37224a5f | 1166 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.timedate1", DEFAULT_EXIT_USEC, NULL, NULL); |
1f47bc33 YW |
1167 | if (r < 0) |
1168 | return log_error_errno(r, "Failed to run event loop: %m"); | |
f401e48c | 1169 | |
1f47bc33 | 1170 | return 0; |
f401e48c | 1171 | } |
1f47bc33 YW |
1172 | |
1173 | DEFINE_MAIN_FUNCTION(run); |