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