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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
f401e48c | 2 | |
f401e48c | 3 | #include <errno.h> |
ca78ad1d | 4 | #include <sys/stat.h> |
8f0ea0ef | 5 | #include <sys/timex.h> |
ca78ad1d | 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 | 15 | #include "bus-error.h" |
40af3d02 | 16 | #include "bus-get-properties.h" |
9b71e4ab | 17 | #include "bus-locator.h" |
ac9f55ed | 18 | #include "bus-log-control-api.h" |
807542be | 19 | #include "bus-map-properties.h" |
269e4d2d | 20 | #include "bus-polkit.h" |
f4f15635 | 21 | #include "clock-util.h" |
afaae43b | 22 | #include "conf-files.h" |
f4f15635 | 23 | #include "def.h" |
afaae43b | 24 | #include "fd-util.h" |
f4f15635 | 25 | #include "fileio-label.h" |
e4de7287 | 26 | #include "fileio.h" |
f4f15635 | 27 | #include "fs-util.h" |
5d280742 YW |
28 | #include "hashmap.h" |
29 | #include "list.h" | |
1f47bc33 | 30 | #include "main-func.h" |
0a970718 | 31 | #include "memory-util.h" |
36dd5ffd | 32 | #include "missing_capability.h" |
f4f15635 | 33 | #include "path-util.h" |
d7b8eec7 | 34 | #include "selinux-util.h" |
fc021a5b | 35 | #include "service-util.h" |
754f0269 | 36 | #include "signal-util.h" |
5d280742 | 37 | #include "string-util.h" |
f4f15635 | 38 | #include "strv.h" |
5d280742 YW |
39 | #include "unit-def.h" |
40 | #include "unit-name.h" | |
ee104e11 | 41 | #include "user-util.h" |
f401e48c LP |
42 | |
43 | #define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n" | |
44 | #define NULL_ADJTIME_LOCAL "0.0 0 0\n0\nLOCAL\n" | |
45 | ||
afaae43b ZJS |
46 | #define UNIT_LIST_DIRS (const char* const*) CONF_PATHS_STRV("systemd/ntp-units.d") |
47 | ||
5d280742 YW |
48 | typedef struct UnitStatusInfo { |
49 | char *name; | |
50 | char *load_state; | |
51 | char *unit_file_state; | |
52 | char *active_state; | |
cf3872bd | 53 | char *path; |
5d280742 YW |
54 | |
55 | LIST_FIELDS(struct UnitStatusInfo, units); | |
56 | } UnitStatusInfo; | |
57 | ||
40ca29a1 | 58 | typedef struct Context { |
d200735e MS |
59 | char *zone; |
60 | bool local_rtc; | |
40ca29a1 | 61 | Hashmap *polkit_registry; |
2770af85 | 62 | sd_bus_message *cache; |
5d280742 | 63 | |
3af0a96c | 64 | sd_bus_slot *slot_job_removed; |
3af0a96c | 65 | |
5d280742 | 66 | LIST_HEAD(UnitStatusInfo, units); |
40ca29a1 | 67 | } Context; |
f401e48c | 68 | |
5b098203 | 69 | #define log_unit_full_errno_zerook(unit, level, error, ...) \ |
ad7fb943 ZJS |
70 | ({ \ |
71 | const UnitStatusInfo *_u = (unit); \ | |
5b098203 YW |
72 | _u ? log_object_internal(level, error, PROJECT_FILE, __LINE__, __func__, "UNIT=", _u->name, NULL, NULL, ##__VA_ARGS__) : \ |
73 | log_internal(level, error, PROJECT_FILE, __LINE__, __func__, ##__VA_ARGS__); \ | |
ad7fb943 ZJS |
74 | }) |
75 | ||
5b098203 YW |
76 | #define log_unit_full_errno(unit, level, error, ...) \ |
77 | ({ \ | |
78 | int _error = (error); \ | |
79 | ASSERT_NON_ZERO(_error); \ | |
80 | log_unit_full_errno_zerook(unit, level, _error, ##__VA_ARGS__); \ | |
81 | }) | |
82 | ||
83 | #define log_unit_full(unit, level, ...) (void) log_unit_full_errno_zerook(unit, level, 0, ##__VA_ARGS__) | |
84 | ||
85 | #define log_unit_debug(unit, ...) log_unit_full(unit, LOG_DEBUG, ##__VA_ARGS__) | |
86 | #define log_unit_info(unit, ...) log_unit_full(unit, LOG_INFO, ##__VA_ARGS__) | |
87 | #define log_unit_notice(unit, ...) log_unit_full(unit, LOG_NOTICE, ##__VA_ARGS__) | |
88 | #define log_unit_warning(unit, ...) log_unit_full(unit, LOG_WARNING, ##__VA_ARGS__) | |
89 | #define log_unit_error(unit, ...) log_unit_full(unit, LOG_ERR, ##__VA_ARGS__) | |
ad7fb943 | 90 | |
5b098203 YW |
91 | #define log_unit_debug_errno(unit, error, ...) log_unit_full_errno(unit, LOG_DEBUG, error, ##__VA_ARGS__) |
92 | #define log_unit_info_errno(unit, error, ...) log_unit_full_errno(unit, LOG_INFO, error, ##__VA_ARGS__) | |
93 | #define log_unit_notice_errno(unit, error, ...) log_unit_full_errno(unit, LOG_NOTICE, error, ##__VA_ARGS__) | |
94 | #define log_unit_warning_errno(unit, error, ...) log_unit_full_errno(unit, LOG_WARNING, error, ##__VA_ARGS__) | |
95 | #define log_unit_error_errno(unit, error, ...) log_unit_full_errno(unit, LOG_ERR, error, ##__VA_ARGS__) | |
ad7fb943 | 96 | |
5d280742 YW |
97 | static void unit_status_info_clear(UnitStatusInfo *p) { |
98 | assert(p); | |
99 | ||
100 | p->load_state = mfree(p->load_state); | |
101 | p->unit_file_state = mfree(p->unit_file_state); | |
102 | p->active_state = mfree(p->active_state); | |
103 | } | |
104 | ||
8b9afa55 YW |
105 | static UnitStatusInfo *unit_status_info_free(UnitStatusInfo *p) { |
106 | if (!p) | |
107 | return NULL; | |
5d280742 YW |
108 | |
109 | unit_status_info_clear(p); | |
110 | free(p->name); | |
cf3872bd | 111 | free(p->path); |
8b9afa55 | 112 | return mfree(p); |
5d280742 YW |
113 | } |
114 | ||
8b9afa55 YW |
115 | DEFINE_TRIVIAL_CLEANUP_FUNC(UnitStatusInfo*, unit_status_info_free); |
116 | ||
1f47bc33 | 117 | static void context_clear(Context *c) { |
5d280742 YW |
118 | UnitStatusInfo *p; |
119 | ||
40ca29a1 | 120 | assert(c); |
f401e48c | 121 | |
82d115d9 | 122 | free(c->zone); |
36e34057 | 123 | bus_verify_polkit_async_registry_free(c->polkit_registry); |
2770af85 | 124 | sd_bus_message_unref(c->cache); |
5d280742 | 125 | |
3af0a96c | 126 | sd_bus_slot_unref(c->slot_job_removed); |
3af0a96c | 127 | |
5d280742 YW |
128 | while ((p = c->units)) { |
129 | LIST_REMOVE(units, c->units, p); | |
130 | unit_status_info_free(p); | |
131 | } | |
132 | } | |
133 | ||
ad7fb943 | 134 | static int context_add_ntp_service(Context *c, const char *s, const char *source) { |
8b9afa55 | 135 | _cleanup_(unit_status_info_freep) UnitStatusInfo *unit = NULL; |
5d280742 | 136 | |
8b9afa55 YW |
137 | assert(c); |
138 | assert(s); | |
139 | assert(source); | |
140 | ||
5d280742 YW |
141 | if (!unit_name_is_valid(s, UNIT_NAME_PLAIN)) |
142 | return -EINVAL; | |
143 | ||
144 | /* Do not add this if it is already listed */ | |
145 | LIST_FOREACH(units, u, c->units) | |
146 | if (streq(u->name, s)) | |
147 | return 0; | |
148 | ||
8b9afa55 YW |
149 | unit = new0(UnitStatusInfo, 1); |
150 | if (!unit) | |
5d280742 YW |
151 | return -ENOMEM; |
152 | ||
8b9afa55 YW |
153 | unit->name = strdup(s); |
154 | if (!unit->name) | |
5d280742 | 155 | return -ENOMEM; |
5d280742 | 156 | |
8b9afa55 YW |
157 | LIST_APPEND(units, c->units, unit); |
158 | log_unit_debug(unit, "added from %s.", source); | |
159 | TAKE_PTR(unit); | |
5d280742 YW |
160 | |
161 | return 0; | |
162 | } | |
163 | ||
afaae43b | 164 | static int context_parse_ntp_services_from_environment(Context *c) { |
5d280742 YW |
165 | const char *env, *p; |
166 | int r; | |
167 | ||
168 | assert(c); | |
169 | ||
170 | env = getenv("SYSTEMD_TIMEDATED_NTP_SERVICES"); | |
afaae43b | 171 | if (!env) |
5d280742 | 172 | return 0; |
afaae43b | 173 | |
ad7fb943 | 174 | log_debug("Using list of ntp services from environment variable $SYSTEMD_TIMEDATED_NTP_SERVICES=%s.", env); |
5d280742 YW |
175 | |
176 | for (p = env;;) { | |
177 | _cleanup_free_ char *word = NULL; | |
178 | ||
179 | r = extract_first_word(&p, &word, ":", 0); | |
180 | if (r == 0) | |
181 | break; | |
182 | if (r == -ENOMEM) | |
183 | return log_oom(); | |
184 | if (r < 0) { | |
185 | log_error("Invalid syntax, ignoring: %s", env); | |
186 | break; | |
187 | } | |
188 | ||
ad7fb943 | 189 | r = context_add_ntp_service(c, word, "$SYSTEMD_TIMEDATED_NTP_SERVICES"); |
5d280742 YW |
190 | if (r < 0) |
191 | log_warning_errno(r, "Failed to add NTP service \"%s\", ignoring: %m", word); | |
192 | } | |
193 | ||
afaae43b ZJS |
194 | return 1; |
195 | } | |
196 | ||
197 | static int context_parse_ntp_services_from_disk(Context *c) { | |
198 | _cleanup_strv_free_ char **files = NULL; | |
afaae43b ZJS |
199 | int r; |
200 | ||
201 | r = conf_files_list_strv(&files, ".list", NULL, CONF_FILES_FILTER_MASKED, UNIT_LIST_DIRS); | |
202 | if (r < 0) | |
203 | return log_error_errno(r, "Failed to enumerate .list files: %m"); | |
204 | ||
205 | STRV_FOREACH(f, files) { | |
206 | _cleanup_fclose_ FILE *file = NULL; | |
207 | ||
208 | log_debug("Reading file '%s'", *f); | |
209 | ||
210 | r = fopen_unlocked(*f, "re", &file); | |
211 | if (r < 0) { | |
212 | log_error_errno(r, "Failed to open %s, ignoring: %m", *f); | |
213 | continue; | |
214 | } | |
215 | ||
216 | for (;;) { | |
217 | _cleanup_free_ char *line = NULL; | |
218 | const char *word; | |
219 | ||
220 | r = read_line(file, LINE_MAX, &line); | |
221 | if (r < 0) { | |
222 | log_error_errno(r, "Failed to read %s, ignoring: %m", *f); | |
223 | continue; | |
224 | } | |
225 | if (r == 0) | |
226 | break; | |
227 | ||
228 | word = strstrip(line); | |
03a81441 | 229 | if (isempty(word) || startswith(word, "#")) |
afaae43b ZJS |
230 | continue; |
231 | ||
ad7fb943 | 232 | r = context_add_ntp_service(c, word, *f); |
afaae43b ZJS |
233 | if (r < 0) |
234 | log_warning_errno(r, "Failed to add NTP service \"%s\", ignoring: %m", word); | |
235 | } | |
236 | } | |
237 | ||
238 | return 1; | |
239 | } | |
240 | ||
241 | static int context_parse_ntp_services(Context *c) { | |
242 | int r; | |
243 | ||
244 | r = context_parse_ntp_services_from_environment(c); | |
245 | if (r != 0) | |
246 | return r; | |
247 | ||
248 | return context_parse_ntp_services_from_disk(c); | |
5d280742 YW |
249 | } |
250 | ||
251 | static int context_ntp_service_is_active(Context *c) { | |
5d280742 YW |
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) | |
84a87726 | 259 | count += !STRPTR_IN_SET(info->active_state, "inactive", "failed"); |
5d280742 YW |
260 | |
261 | return count; | |
262 | } | |
263 | ||
5d280742 | 264 | static int context_ntp_service_exists(Context *c) { |
5d280742 YW |
265 | int count = 0; |
266 | ||
267 | assert(c); | |
268 | ||
269 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ | |
270 | ||
271 | LIST_FOREACH(units, info, c->units) | |
272 | count += streq_ptr(info->load_state, "loaded"); | |
273 | ||
274 | return count; | |
f401e48c LP |
275 | } |
276 | ||
40ca29a1 | 277 | static int context_read_data(Context *c) { |
424a19f8 | 278 | _cleanup_free_ char *t = NULL; |
40ca29a1 LP |
279 | int r; |
280 | ||
281 | assert(c); | |
f401e48c | 282 | |
5c904ba5 LP |
283 | r = get_timezone(&t); |
284 | if (r == -EINVAL) | |
285 | log_warning_errno(r, "/etc/localtime should be a symbolic link to a time zone data file in /usr/share/zoneinfo/."); | |
286 | else if (r < 0) | |
287 | log_warning_errno(r, "Failed to get target of /etc/localtime: %m"); | |
92c4ef2d | 288 | |
f9ecfd3b | 289 | free_and_replace(c->zone, t); |
f401e48c | 290 | |
6369641d | 291 | c->local_rtc = clock_is_localtime(NULL) > 0; |
f401e48c LP |
292 | |
293 | return 0; | |
294 | } | |
295 | ||
40ca29a1 | 296 | static int context_write_data_timezone(Context *c) { |
424a19f8 | 297 | _cleanup_free_ char *p = NULL; |
9193af0f | 298 | const char *source; |
40ca29a1 LP |
299 | |
300 | assert(c); | |
e19a21a8 | 301 | |
9193af0f LP |
302 | /* No timezone is very similar to UTC. Hence in either of these cases link the UTC file in. Except if |
303 | * it isn't installed, in which case we remove the symlink altogether. Since glibc defaults to an | |
304 | * internal version of UTC in that case behaviour is mostly equivalent. We still prefer creating the | |
305 | * symlink though, since things are more self explanatory then. */ | |
306 | ||
307 | if (isempty(c->zone) || streq(c->zone, "UTC")) { | |
308 | ||
309 | if (access("/usr/share/zoneinfo/UTC", F_OK) < 0) { | |
310 | ||
311 | if (unlink("/etc/localtime") < 0 && errno != ENOENT) | |
312 | return -errno; | |
f401e48c | 313 | |
9193af0f LP |
314 | return 0; |
315 | } | |
316 | ||
317 | source = "../usr/share/zoneinfo/UTC"; | |
318 | } else { | |
319 | p = path_join("../usr/share/zoneinfo", c->zone); | |
320 | if (!p) | |
321 | return -ENOMEM; | |
322 | ||
323 | source = p; | |
324 | } | |
f401e48c | 325 | |
9193af0f | 326 | return symlink_atomic(source, "/etc/localtime"); |
f401e48c LP |
327 | } |
328 | ||
40ca29a1 | 329 | static int context_write_data_local_rtc(Context *c) { |
7fd1b19b | 330 | _cleanup_free_ char *s = NULL, *w = NULL; |
d9cb4bba | 331 | int r; |
f401e48c | 332 | |
40ca29a1 LP |
333 | assert(c); |
334 | ||
f401e48c LP |
335 | r = read_full_file("/etc/adjtime", &s, NULL); |
336 | if (r < 0) { | |
337 | if (r != -ENOENT) | |
338 | return r; | |
339 | ||
40ca29a1 | 340 | if (!c->local_rtc) |
f401e48c LP |
341 | return 0; |
342 | ||
343 | w = strdup(NULL_ADJTIME_LOCAL); | |
344 | if (!w) | |
345 | return -ENOMEM; | |
346 | } else { | |
c9410dd4 | 347 | char *p; |
8f462d87 | 348 | const char *e = "\n"; /* default if there is less than 3 lines */ |
c9410dd4 | 349 | const char *prepend = ""; |
f401e48c LP |
350 | size_t a, b; |
351 | ||
c9410dd4 | 352 | p = strchrnul(s, '\n'); |
cb971cc0 | 353 | if (*p == '\0') |
c9410dd4 MP |
354 | /* only one line, no \n terminator */ |
355 | prepend = "\n0\n"; | |
cb971cc0 | 356 | else if (p[1] == '\0') { |
c9410dd4 MP |
357 | /* only one line, with \n terminator */ |
358 | ++p; | |
359 | prepend = "0\n"; | |
360 | } else { | |
361 | p = strchr(p+1, '\n'); | |
362 | if (!p) { | |
363 | /* only two lines, no \n terminator */ | |
364 | prepend = "\n"; | |
365 | p = s + strlen(s); | |
366 | } else { | |
367 | char *end; | |
368 | /* third line might have a \n terminator or not */ | |
369 | p++; | |
370 | end = strchr(p, '\n'); | |
371 | /* if we actually have a fourth line, use that as suffix "e", otherwise the default \n */ | |
372 | if (end) | |
373 | e = end; | |
374 | } | |
375 | } | |
f401e48c LP |
376 | |
377 | a = p - s; | |
378 | b = strlen(e); | |
379 | ||
c9410dd4 | 380 | w = new(char, a + (c->local_rtc ? 5 : 3) + strlen(prepend) + b + 1); |
d257f05a | 381 | if (!w) |
f401e48c | 382 | return -ENOMEM; |
f401e48c | 383 | |
c9410dd4 | 384 | *(char*) mempcpy(stpcpy(stpcpy(mempcpy(w, s, a), prepend), c->local_rtc ? "LOCAL" : "UTC"), e, b) = 0; |
f401e48c LP |
385 | |
386 | if (streq(w, NULL_ADJTIME_UTC)) { | |
d257f05a | 387 | if (unlink("/etc/adjtime") < 0) |
f401e48c LP |
388 | if (errno != ENOENT) |
389 | return -errno; | |
f401e48c LP |
390 | |
391 | return 0; | |
392 | } | |
393 | } | |
40ca29a1 | 394 | |
a9ba0e32 CG |
395 | r = mac_selinux_init(); |
396 | if (r < 0) | |
397 | return r; | |
398 | ||
d257f05a | 399 | return write_string_file_atomic_label("/etc/adjtime", w); |
f401e48c LP |
400 | } |
401 | ||
5d280742 YW |
402 | static int context_update_ntp_status(Context *c, sd_bus *bus, sd_bus_message *m) { |
403 | static const struct bus_properties_map map[] = { | |
404 | { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) }, | |
405 | { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) }, | |
406 | { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) }, | |
407 | {} | |
408 | }; | |
c5f0532f LP |
409 | int r; |
410 | ||
40ca29a1 | 411 | assert(c); |
c5f0532f LP |
412 | assert(bus); |
413 | ||
2770af85 YW |
414 | /* Suppress calling context_update_ntp_status() multiple times within single DBus transaction. */ |
415 | if (m) { | |
416 | if (m == c->cache) | |
417 | return 0; | |
2aa4c315 | 418 | |
2770af85 YW |
419 | sd_bus_message_unref(c->cache); |
420 | c->cache = sd_bus_message_ref(m); | |
421 | } | |
2aa4c315 | 422 | |
5d280742 YW |
423 | LIST_FOREACH(units, u, c->units) { |
424 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5d280742 | 425 | _cleanup_free_ char *path = NULL; |
c5f0532f | 426 | |
5d280742 | 427 | unit_status_info_clear(u); |
40ca29a1 | 428 | |
5d280742 YW |
429 | path = unit_dbus_path_from_name(u->name); |
430 | if (!path) | |
431 | return -ENOMEM; | |
432 | ||
433 | r = bus_map_all_properties( | |
434 | bus, | |
435 | "org.freedesktop.systemd1", | |
436 | path, | |
437 | map, | |
438 | BUS_MAP_STRDUP, | |
439 | &error, | |
440 | NULL, | |
441 | u); | |
442 | if (r < 0) | |
ad7fb943 | 443 | return log_unit_error_errno(u, r, "Failed to get properties: %s", bus_error_message(&error, r)); |
5d280742 | 444 | } |
c5f0532f | 445 | |
40ca29a1 | 446 | return 0; |
c5f0532f LP |
447 | } |
448 | ||
3af0a96c | 449 | static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
3af0a96c | 450 | Context *c = userdata; |
cf3872bd YW |
451 | const char *path; |
452 | unsigned n = 0; | |
3af0a96c YW |
453 | int r; |
454 | ||
455 | assert(c); | |
456 | assert(m); | |
457 | ||
458 | r = sd_bus_message_read(m, "uoss", NULL, &path, NULL, NULL); | |
459 | if (r < 0) { | |
460 | bus_log_parse_error(r); | |
461 | return 0; | |
462 | } | |
463 | ||
cf3872bd YW |
464 | LIST_FOREACH(units, u, c->units) |
465 | if (streq_ptr(path, u->path)) | |
466 | u->path = mfree(u->path); | |
467 | else | |
468 | n += !!u->path; | |
3af0a96c | 469 | |
cf3872bd | 470 | if (n == 0) { |
cf3872bd | 471 | c->slot_job_removed = sd_bus_slot_unref(c->slot_job_removed); |
49942d6b | 472 | |
ad7fb943 ZJS |
473 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
474 | "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "NTP", | |
475 | NULL); | |
cf3872bd | 476 | } |
3af0a96c YW |
477 | |
478 | return 0; | |
479 | } | |
480 | ||
cf3872bd | 481 | static int unit_start_or_stop(UnitStatusInfo *u, sd_bus *bus, sd_bus_error *error, bool start) { |
3af0a96c | 482 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
3af0a96c | 483 | const char *path; |
c5f0532f LP |
484 | int r; |
485 | ||
5d280742 | 486 | assert(u); |
c5f0532f LP |
487 | assert(bus); |
488 | assert(error); | |
489 | ||
43fe4f76 | 490 | r = bus_call_method( |
81b84399 | 491 | bus, |
43fe4f76 | 492 | bus_systemd_mgr, |
5d280742 | 493 | start ? "StartUnit" : "StopUnit", |
81b84399 | 494 | error, |
3af0a96c | 495 | &reply, |
81b84399 | 496 | "ss", |
5d280742 | 497 | u->name, |
81b84399 | 498 | "replace"); |
5b098203 YW |
499 | log_unit_full_errno_zerook(u, r < 0 ? LOG_WARNING : LOG_DEBUG, r, |
500 | "%s unit: %m", start ? "Starting" : "Stopping"); | |
5d280742 | 501 | if (r < 0) |
b72ddf0f | 502 | return r; |
c5f0532f | 503 | |
3af0a96c YW |
504 | r = sd_bus_message_read(reply, "o", &path); |
505 | if (r < 0) | |
506 | return bus_log_parse_error(r); | |
507 | ||
cf3872bd | 508 | r = free_and_strdup(&u->path, path); |
3af0a96c YW |
509 | if (r < 0) |
510 | return log_oom(); | |
511 | ||
b72ddf0f | 512 | return 0; |
c5f0532f LP |
513 | } |
514 | ||
5d280742 | 515 | static int unit_enable_or_disable(UnitStatusInfo *u, sd_bus *bus, sd_bus_error *error, bool enable) { |
c5f0532f | 516 | int r; |
c5f0532f | 517 | |
5d280742 | 518 | assert(u); |
c5f0532f LP |
519 | assert(bus); |
520 | assert(error); | |
521 | ||
5d280742 YW |
522 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ |
523 | ||
ad7fb943 ZJS |
524 | if (streq(u->unit_file_state, "enabled") == enable) { |
525 | log_unit_debug(u, "already %sd.", enable_disable(enable)); | |
5d280742 | 526 | return 0; |
ad7fb943 ZJS |
527 | } |
528 | ||
529 | log_unit_info(u, "%s unit.", enable ? "Enabling" : "Disabling"); | |
5d280742 YW |
530 | |
531 | if (enable) | |
43fe4f76 | 532 | r = bus_call_method( |
40ca29a1 | 533 | bus, |
43fe4f76 | 534 | bus_systemd_mgr, |
b72ddf0f | 535 | "EnableUnitFiles", |
40ca29a1 LP |
536 | error, |
537 | NULL, | |
b72ddf0f | 538 | "asbb", 1, |
5d280742 | 539 | u->name, |
b72ddf0f KS |
540 | false, true); |
541 | else | |
43fe4f76 | 542 | r = bus_call_method( |
b72ddf0f | 543 | bus, |
43fe4f76 | 544 | bus_systemd_mgr, |
b72ddf0f KS |
545 | "DisableUnitFiles", |
546 | error, | |
547 | NULL, | |
548 | "asb", 1, | |
5d280742 | 549 | u->name, |
b72ddf0f | 550 | false); |
5d280742 | 551 | if (r < 0) |
b72ddf0f | 552 | return r; |
c5f0532f | 553 | |
43fe4f76 | 554 | r = bus_call_method(bus, bus_systemd_mgr, "Reload", error, NULL, NULL); |
3af0a96c YW |
555 | if (r < 0) |
556 | return r; | |
557 | ||
b72ddf0f | 558 | return 0; |
40ca29a1 | 559 | } |
c5f0532f | 560 | |
8f0ea0ef ZJS |
561 | static bool ntp_synced(void) { |
562 | struct timex txc = {}; | |
563 | ||
564 | if (adjtimex(&txc) < 0) | |
565 | return false; | |
566 | ||
567 | /* Consider the system clock synchronized if the reported maximum error is smaller than the maximum | |
568 | * value (16 seconds). Ignore the STA_UNSYNC flag as it may have been set to prevent the kernel from | |
569 | * touching the RTC. */ | |
570 | return txc.maxerror < 16000000; | |
571 | } | |
572 | ||
6cc379b5 YW |
573 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_time, "t", now(CLOCK_REALTIME)); |
574 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_ntp_sync, "b", ntp_synced()); | |
575 | ||
6fc60278 LP |
576 | static int property_get_rtc_time( |
577 | sd_bus *bus, | |
578 | const char *path, | |
579 | const char *interface, | |
580 | const char *property, | |
581 | sd_bus_message *reply, | |
ebcf1f97 LP |
582 | void *userdata, |
583 | sd_bus_error *error) { | |
6fc60278 | 584 | |
d9cb4bba ZJS |
585 | struct tm tm = {}; |
586 | usec_t t = 0; | |
6fc60278 LP |
587 | int r; |
588 | ||
60989612 | 589 | r = clock_get_hwclock(&tm); |
d9cb4bba | 590 | if (r == -EBUSY) |
07a062a7 | 591 | log_warning("/dev/rtc is busy. Is somebody keeping it open continuously? That's not a good idea... Returning a bogus RTC timestamp."); |
d9cb4bba | 592 | else if (r == -ENOENT) |
07a062a7 | 593 | log_debug("/dev/rtc not found."); |
d9cb4bba | 594 | else if (r < 0) |
10a87006 | 595 | return sd_bus_error_set_errnof(error, r, "Failed to read RTC: %m"); |
ebcf1f97 | 596 | else |
2f6a5907 | 597 | t = (usec_t) timegm(&tm) * USEC_PER_SEC; |
6fc60278 | 598 | |
ebcf1f97 | 599 | return sd_bus_message_append(reply, "t", t); |
6fc60278 LP |
600 | } |
601 | ||
5d280742 YW |
602 | static int property_get_can_ntp( |
603 | sd_bus *bus, | |
604 | const char *path, | |
605 | const char *interface, | |
606 | const char *property, | |
607 | sd_bus_message *reply, | |
608 | void *userdata, | |
609 | sd_bus_error *error) { | |
610 | ||
611 | Context *c = userdata; | |
612 | int r; | |
613 | ||
614 | assert(c); | |
615 | assert(bus); | |
616 | assert(property); | |
617 | assert(reply); | |
618 | assert(error); | |
619 | ||
b4356b57 YW |
620 | if (c->slot_job_removed) |
621 | /* When the previous request is not finished, then assume NTP is enabled. */ | |
622 | return sd_bus_message_append(reply, "b", true); | |
623 | ||
5d280742 YW |
624 | r = context_update_ntp_status(c, bus, reply); |
625 | if (r < 0) | |
626 | return r; | |
627 | ||
628 | return sd_bus_message_append(reply, "b", context_ntp_service_exists(c) > 0); | |
629 | } | |
630 | ||
631 | static int property_get_ntp( | |
632 | sd_bus *bus, | |
633 | const char *path, | |
634 | const char *interface, | |
635 | const char *property, | |
636 | sd_bus_message *reply, | |
637 | void *userdata, | |
638 | sd_bus_error *error) { | |
639 | ||
640 | Context *c = userdata; | |
641 | int r; | |
642 | ||
643 | assert(c); | |
644 | assert(bus); | |
645 | assert(property); | |
646 | assert(reply); | |
647 | assert(error); | |
648 | ||
b4356b57 YW |
649 | if (c->slot_job_removed) |
650 | /* When the previous request is not finished, then assume NTP is active. */ | |
651 | return sd_bus_message_append(reply, "b", true); | |
652 | ||
5d280742 YW |
653 | r = context_update_ntp_status(c, bus, reply); |
654 | if (r < 0) | |
655 | return r; | |
656 | ||
657 | return sd_bus_message_append(reply, "b", context_ntp_service_is_active(c) > 0); | |
658 | } | |
659 | ||
19070062 | 660 | static int method_set_timezone(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
40ca29a1 | 661 | Context *c = userdata; |
2c3def62 | 662 | int interactive, r; |
40ca29a1 | 663 | const char *z; |
c5f0532f | 664 | |
7e9cf16c LP |
665 | assert(m); |
666 | assert(c); | |
667 | ||
40ca29a1 LP |
668 | r = sd_bus_message_read(m, "sb", &z, &interactive); |
669 | if (r < 0) | |
ebcf1f97 | 670 | return r; |
c5f0532f | 671 | |
089fb865 | 672 | if (!timezone_is_valid(z, LOG_DEBUG)) |
5322db06 | 673 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid or not installed time zone '%s'", z); |
ac7019f3 | 674 | |
539a68e0 | 675 | if (streq_ptr(z, c->zone)) |
df2d202e | 676 | return sd_bus_reply_method_return(m, NULL); |
c5f0532f | 677 | |
c529695e LP |
678 | r = bus_verify_polkit_async( |
679 | m, | |
680 | CAP_SYS_TIME, | |
681 | "org.freedesktop.timedate1.set-timezone", | |
403ed0e5 | 682 | NULL, |
c529695e LP |
683 | interactive, |
684 | UID_INVALID, | |
685 | &c->polkit_registry, | |
686 | error); | |
40ca29a1 | 687 | if (r < 0) |
ebcf1f97 | 688 | return r; |
40ca29a1 | 689 | if (r == 0) |
6fc60278 | 690 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ |
6ffe5e37 | 691 | |
539a68e0 YW |
692 | r = free_and_strdup(&c->zone, z); |
693 | if (r < 0) | |
694 | return r; | |
695 | ||
40ca29a1 LP |
696 | /* 1. Write new configuration file */ |
697 | r = context_write_data_timezone(c); | |
698 | if (r < 0) { | |
da927ba9 | 699 | log_error_errno(r, "Failed to set time zone: %m"); |
10a87006 | 700 | return sd_bus_error_set_errnof(error, r, "Failed to set time zone: %m"); |
40ca29a1 | 701 | } |
6ffe5e37 | 702 | |
8a50b96f LP |
703 | /* 2. Make glibc notice the new timezone */ |
704 | tzset(); | |
705 | ||
706 | /* 3. Tell the kernel our timezone */ | |
2a7ff45f LP |
707 | r = clock_set_timezone(NULL); |
708 | if (r < 0) | |
709 | log_debug_errno(r, "Failed to tell kernel about timezone, ignoring: %m"); | |
6ffe5e37 | 710 | |
40ca29a1 LP |
711 | if (c->local_rtc) { |
712 | struct timespec ts; | |
e0f691e1 | 713 | struct tm tm; |
c5f0532f | 714 | |
8a50b96f | 715 | /* 4. Sync RTC from system clock, with the new delta */ |
40ca29a1 | 716 | assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0); |
e0f691e1 | 717 | assert_se(localtime_r(&ts.tv_sec, &tm)); |
2a7ff45f | 718 | |
e0f691e1 | 719 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
720 | if (r < 0) |
721 | log_debug_errno(r, "Failed to sync time to hardware clock, ignoring: %m"); | |
40ca29a1 | 722 | } |
c5f0532f | 723 | |
40ca29a1 | 724 | log_struct(LOG_INFO, |
2b044526 | 725 | "MESSAGE_ID=" SD_MESSAGE_TIMEZONE_CHANGE_STR, |
40ca29a1 | 726 | "TIMEZONE=%s", c->zone, |
8a50b96f LP |
727 | "TIMEZONE_SHORTNAME=%s", tzname[daylight], |
728 | "DAYLIGHT=%i", daylight, | |
a1230ff9 | 729 | LOG_MESSAGE("Changed time zone to '%s' (%s).", c->zone, tzname[daylight])); |
c5f0532f | 730 | |
ad7fb943 ZJS |
731 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
732 | "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "Timezone", | |
733 | NULL); | |
c5f0532f | 734 | |
df2d202e | 735 | return sd_bus_reply_method_return(m, NULL); |
c5f0532f LP |
736 | } |
737 | ||
19070062 | 738 | static int method_set_local_rtc(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
102d8f81 | 739 | int lrtc, fix_system, interactive; |
40ca29a1 LP |
740 | Context *c = userdata; |
741 | struct timespec ts; | |
f401e48c LP |
742 | int r; |
743 | ||
40ca29a1 LP |
744 | assert(m); |
745 | assert(c); | |
f401e48c | 746 | |
40ca29a1 LP |
747 | r = sd_bus_message_read(m, "bbb", &lrtc, &fix_system, &interactive); |
748 | if (r < 0) | |
ebcf1f97 | 749 | return r; |
f401e48c | 750 | |
2be6c475 | 751 | if (lrtc == c->local_rtc && !fix_system) |
df2d202e | 752 | return sd_bus_reply_method_return(m, NULL); |
f401e48c | 753 | |
c529695e LP |
754 | r = bus_verify_polkit_async( |
755 | m, | |
756 | CAP_SYS_TIME, | |
757 | "org.freedesktop.timedate1.set-local-rtc", | |
403ed0e5 | 758 | NULL, |
c529695e LP |
759 | interactive, |
760 | UID_INVALID, | |
761 | &c->polkit_registry, | |
762 | error); | |
40ca29a1 | 763 | if (r < 0) |
ebcf1f97 | 764 | return r; |
40ca29a1 LP |
765 | if (r == 0) |
766 | return 1; | |
f401e48c | 767 | |
2be6c475 YW |
768 | if (lrtc != c->local_rtc) { |
769 | c->local_rtc = lrtc; | |
f401e48c | 770 | |
2be6c475 YW |
771 | /* 1. Write new configuration file */ |
772 | r = context_write_data_local_rtc(c); | |
773 | if (r < 0) { | |
774 | log_error_errno(r, "Failed to set RTC to %s: %m", lrtc ? "local" : "UTC"); | |
775 | return sd_bus_error_set_errnof(error, r, "Failed to set RTC to %s: %m", lrtc ? "local" : "UTC"); | |
776 | } | |
40ca29a1 | 777 | } |
f401e48c | 778 | |
40ca29a1 | 779 | /* 2. Tell the kernel our timezone */ |
2a7ff45f LP |
780 | r = clock_set_timezone(NULL); |
781 | if (r < 0) | |
782 | log_debug_errno(r, "Failed to tell kernel about timezone, ignoring: %m"); | |
f401e48c | 783 | |
40ca29a1 LP |
784 | /* 3. Synchronize clocks */ |
785 | assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0); | |
f401e48c | 786 | |
40ca29a1 LP |
787 | if (fix_system) { |
788 | struct tm tm; | |
f401e48c | 789 | |
2a7ff45f | 790 | /* Sync system clock from RTC; first, initialize the timezone fields of struct tm. */ |
56b0ef2f | 791 | localtime_or_gmtime_r(&ts.tv_sec, &tm, !c->local_rtc); |
72edcff5 | 792 | |
2a7ff45f LP |
793 | /* Override the main fields of struct tm, but not the timezone fields */ |
794 | r = clock_get_hwclock(&tm); | |
795 | if (r < 0) | |
796 | log_debug_errno(r, "Failed to get hardware clock, ignoring: %m"); | |
797 | else { | |
798 | /* And set the system clock with this */ | |
df49792e | 799 | ts.tv_sec = mktime_or_timegm(&tm, !c->local_rtc); |
2076cf88 | 800 | |
2a7ff45f LP |
801 | if (clock_settime(CLOCK_REALTIME, &ts) < 0) |
802 | log_debug_errno(errno, "Failed to update system clock, ignoring: %m"); | |
f401e48c LP |
803 | } |
804 | ||
40ca29a1 | 805 | } else { |
e46acb79 | 806 | struct tm tm; |
f401e48c | 807 | |
40ca29a1 | 808 | /* Sync RTC from system clock */ |
56b0ef2f | 809 | localtime_or_gmtime_r(&ts.tv_sec, &tm, !c->local_rtc); |
2076cf88 | 810 | |
e46acb79 | 811 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
812 | if (r < 0) |
813 | log_debug_errno(r, "Failed to sync time to hardware clock, ignoring: %m"); | |
40ca29a1 | 814 | } |
2076cf88 | 815 | |
40ca29a1 | 816 | log_info("RTC configured to %s time.", c->local_rtc ? "local" : "UTC"); |
2076cf88 | 817 | |
ad7fb943 ZJS |
818 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
819 | "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "LocalRTC", | |
820 | NULL); | |
2076cf88 | 821 | |
df2d202e | 822 | return sd_bus_reply_method_return(m, NULL); |
40ca29a1 | 823 | } |
2076cf88 | 824 | |
19070062 | 825 | static int method_set_time(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
5d280742 | 826 | sd_bus *bus = sd_bus_message_get_bus(m); |
dfc5c4f2 | 827 | char buf[FORMAT_TIMESTAMP_MAX]; |
5d280742 | 828 | int relative, interactive, r; |
40ca29a1 LP |
829 | Context *c = userdata; |
830 | int64_t utc; | |
831 | struct timespec ts; | |
2479df30 | 832 | usec_t start; |
e46acb79 | 833 | struct tm tm; |
2076cf88 | 834 | |
40ca29a1 LP |
835 | assert(m); |
836 | assert(c); | |
2076cf88 | 837 | |
b4356b57 YW |
838 | if (c->slot_job_removed) |
839 | return sd_bus_error_set(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Previous request is not finished, refusing."); | |
840 | ||
5d280742 YW |
841 | r = context_update_ntp_status(c, bus, m); |
842 | if (r < 0) | |
843 | return sd_bus_error_set_errnof(error, r, "Failed to update context: %m"); | |
844 | ||
845 | if (context_ntp_service_is_active(c) > 0) | |
e9e5ea88 | 846 | return sd_bus_error_set(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Automatic time synchronization is enabled"); |
82d115d9 | 847 | |
6829cec4 SL |
848 | /* this only gets used if dbus does not provide a timestamp */ |
849 | start = now(CLOCK_MONOTONIC); | |
850 | ||
40ca29a1 LP |
851 | r = sd_bus_message_read(m, "xbb", &utc, &relative, &interactive); |
852 | if (r < 0) | |
ebcf1f97 | 853 | return r; |
2076cf88 | 854 | |
40ca29a1 | 855 | if (!relative && utc <= 0) |
e9e5ea88 | 856 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid absolute time"); |
2076cf88 | 857 | |
40ca29a1 | 858 | if (relative && utc == 0) |
df2d202e | 859 | return sd_bus_reply_method_return(m, NULL); |
2076cf88 | 860 | |
40ca29a1 LP |
861 | if (relative) { |
862 | usec_t n, x; | |
f401e48c | 863 | |
40ca29a1 LP |
864 | n = now(CLOCK_REALTIME); |
865 | x = n + utc; | |
f401e48c | 866 | |
40ca29a1 LP |
867 | if ((utc > 0 && x < n) || |
868 | (utc < 0 && x > n)) | |
e9e5ea88 | 869 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Time value overflow"); |
f401e48c | 870 | |
40ca29a1 LP |
871 | timespec_store(&ts, x); |
872 | } else | |
873 | timespec_store(&ts, (usec_t) utc); | |
2076cf88 | 874 | |
c529695e LP |
875 | r = bus_verify_polkit_async( |
876 | m, | |
877 | CAP_SYS_TIME, | |
878 | "org.freedesktop.timedate1.set-time", | |
403ed0e5 | 879 | NULL, |
c529695e LP |
880 | interactive, |
881 | UID_INVALID, | |
882 | &c->polkit_registry, | |
883 | error); | |
40ca29a1 | 884 | if (r < 0) |
ebcf1f97 | 885 | return r; |
40ca29a1 LP |
886 | if (r == 0) |
887 | return 1; | |
888 | ||
2479df30 SL |
889 | /* adjust ts for time spent in program */ |
890 | r = sd_bus_message_get_monotonic_usec(m, &start); | |
6829cec4 | 891 | /* when sd_bus_message_get_monotonic_usec() returns -ENODATA it does not modify &start */ |
2479df30 SL |
892 | if (r < 0 && r != -ENODATA) |
893 | return r; | |
6829cec4 SL |
894 | |
895 | timespec_store(&ts, timespec_load(&ts) + (now(CLOCK_MONOTONIC) - start)); | |
2479df30 | 896 | |
40ca29a1 LP |
897 | /* Set system clock */ |
898 | if (clock_settime(CLOCK_REALTIME, &ts) < 0) { | |
56f64d95 | 899 | log_error_errno(errno, "Failed to set local time: %m"); |
ebcf1f97 | 900 | return sd_bus_error_set_errnof(error, errno, "Failed to set local time: %m"); |
40ca29a1 | 901 | } |
2076cf88 | 902 | |
40ca29a1 | 903 | /* Sync down to RTC */ |
56b0ef2f | 904 | localtime_or_gmtime_r(&ts.tv_sec, &tm, !c->local_rtc); |
2a7ff45f | 905 | |
e46acb79 | 906 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
907 | if (r < 0) |
908 | log_debug_errno(r, "Failed to update hardware clock, ignoring: %m"); | |
f401e48c | 909 | |
40ca29a1 | 910 | log_struct(LOG_INFO, |
2b044526 | 911 | "MESSAGE_ID=" SD_MESSAGE_TIME_CHANGE_STR, |
de0671ee | 912 | "REALTIME="USEC_FMT, timespec_load(&ts), |
dfc5c4f2 | 913 | LOG_MESSAGE("Changed local time to %s", strnull(format_timestamp(buf, sizeof(buf), timespec_load(&ts))))); |
f401e48c | 914 | |
df2d202e | 915 | return sd_bus_reply_method_return(m, NULL); |
40ca29a1 | 916 | } |
f401e48c | 917 | |
19070062 | 918 | static int method_set_ntp(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
cf3872bd | 919 | _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot = NULL; |
5d280742 | 920 | sd_bus *bus = sd_bus_message_get_bus(m); |
40ca29a1 | 921 | Context *c = userdata; |
ad7fb943 | 922 | const UnitStatusInfo *selected = NULL; |
5d280742 | 923 | int enable, interactive, q, r; |
f401e48c | 924 | |
19070062 | 925 | assert(m); |
5d280742 | 926 | assert(bus); |
19070062 LP |
927 | assert(c); |
928 | ||
5d280742 | 929 | r = sd_bus_message_read(m, "bb", &enable, &interactive); |
40ca29a1 | 930 | if (r < 0) |
ebcf1f97 | 931 | return r; |
f401e48c | 932 | |
5d280742 YW |
933 | r = context_update_ntp_status(c, bus, m); |
934 | if (r < 0) | |
935 | return r; | |
936 | ||
937 | if (context_ntp_service_exists(c) <= 0) | |
938 | return sd_bus_error_set(error, BUS_ERROR_NO_NTP_SUPPORT, "NTP not supported"); | |
f401e48c | 939 | |
c529695e LP |
940 | r = bus_verify_polkit_async( |
941 | m, | |
942 | CAP_SYS_TIME, | |
943 | "org.freedesktop.timedate1.set-ntp", | |
403ed0e5 | 944 | NULL, |
c529695e LP |
945 | interactive, |
946 | UID_INVALID, | |
947 | &c->polkit_registry, | |
948 | error); | |
40ca29a1 | 949 | if (r < 0) |
ebcf1f97 | 950 | return r; |
40ca29a1 LP |
951 | if (r == 0) |
952 | return 1; | |
f401e48c | 953 | |
cf3872bd YW |
954 | /* This method may be called frequently. Forget the previous job if it has not completed yet. */ |
955 | LIST_FOREACH(units, u, c->units) | |
956 | u->path = mfree(u->path); | |
957 | ||
958 | if (!c->slot_job_removed) { | |
43fe4f76 | 959 | r = bus_match_signal_async( |
cf3872bd YW |
960 | bus, |
961 | &slot, | |
43fe4f76 | 962 | bus_systemd_mgr, |
cf3872bd YW |
963 | "JobRemoved", |
964 | match_job_removed, NULL, c); | |
965 | if (r < 0) | |
966 | return r; | |
967 | } | |
968 | ||
0957790b | 969 | if (enable) |
5d280742 | 970 | LIST_FOREACH(units, u, c->units) { |
0957790b | 971 | bool enable_this_one = !selected; |
5d280742 | 972 | |
5d280742 YW |
973 | if (!streq(u->load_state, "loaded")) |
974 | continue; | |
975 | ||
0957790b | 976 | r = unit_enable_or_disable(u, bus, error, enable_this_one); |
5d280742 | 977 | if (r < 0) |
0957790b ZJS |
978 | /* If enablement failed, don't start this unit. */ |
979 | enable_this_one = false; | |
5d280742 | 980 | |
0957790b ZJS |
981 | r = unit_start_or_stop(u, bus, error, enable_this_one); |
982 | if (r < 0) | |
983 | log_unit_warning_errno(u, r, "Failed to %s %sd NTP unit, ignoring: %m", | |
984 | enable_this_one ? "start" : "stop", | |
985 | enable_disable(enable_this_one)); | |
986 | if (enable_this_one) | |
987 | selected = u; | |
5d280742 | 988 | } |
3af0a96c | 989 | else |
5d280742 | 990 | LIST_FOREACH(units, u, c->units) { |
0957790b | 991 | if (!streq(u->load_state, "loaded")) |
5d280742 YW |
992 | continue; |
993 | ||
0957790b ZJS |
994 | q = unit_enable_or_disable(u, bus, error, false); |
995 | if (q < 0) | |
996 | r = q; | |
997 | ||
998 | q = unit_start_or_stop(u, bus, error, false); | |
999 | if (q < 0) | |
1000 | r = q; | |
5d280742 | 1001 | } |
40ca29a1 | 1002 | |
40ca29a1 | 1003 | if (r < 0) |
ebcf1f97 | 1004 | return r; |
ad7fb943 ZJS |
1005 | if (enable && !selected) |
1006 | return log_error_errno(SYNTHETIC_ERRNO(ENOENT), "No NTP service found to enable."); | |
f401e48c | 1007 | |
cf3872bd YW |
1008 | if (slot) |
1009 | c->slot_job_removed = TAKE_PTR(slot); | |
1010 | ||
ad7fb943 ZJS |
1011 | if (selected) |
1012 | log_info("Set NTP to enabled (%s).", selected->name); | |
1013 | else | |
1014 | log_info("Set NTP to disabled."); | |
f401e48c | 1015 | |
df2d202e | 1016 | return sd_bus_reply_method_return(m, NULL); |
f401e48c LP |
1017 | } |
1018 | ||
2cf0b2fe NT |
1019 | static int method_list_timezones(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1020 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1021 | _cleanup_strv_free_ char **zones = NULL; | |
1022 | int r; | |
1023 | ||
1024 | assert(m); | |
1025 | ||
1026 | r = get_timezones(&zones); | |
1027 | if (r < 0) | |
1028 | return sd_bus_error_set_errnof(error, r, "Failed to read list of time zones: %m"); | |
1029 | ||
1030 | r = sd_bus_message_new_method_return(m, &reply); | |
1031 | if (r < 0) | |
1032 | return r; | |
1033 | ||
1034 | r = sd_bus_message_append_strv(reply, zones); | |
1035 | if (r < 0) | |
1036 | return r; | |
1037 | ||
1038 | return sd_bus_send(NULL, reply, NULL); | |
1039 | } | |
1040 | ||
40ca29a1 LP |
1041 | static const sd_bus_vtable timedate_vtable[] = { |
1042 | SD_BUS_VTABLE_START(0), | |
599c99ee | 1043 | |
40ca29a1 | 1044 | SD_BUS_PROPERTY("Timezone", "s", NULL, offsetof(Context, zone), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
82d115d9 | 1045 | SD_BUS_PROPERTY("LocalRTC", "b", bus_property_get_bool, offsetof(Context, local_rtc), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
5d280742 YW |
1046 | SD_BUS_PROPERTY("CanNTP", "b", property_get_can_ntp, 0, 0), |
1047 | SD_BUS_PROPERTY("NTP", "b", property_get_ntp, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
03cc26dd LP |
1048 | SD_BUS_PROPERTY("NTPSynchronized", "b", property_get_ntp_sync, 0, 0), |
1049 | SD_BUS_PROPERTY("TimeUSec", "t", property_get_time, 0, 0), | |
6fc60278 | 1050 | SD_BUS_PROPERTY("RTCTimeUSec", "t", property_get_rtc_time, 0, 0), |
599c99ee ZJS |
1051 | |
1052 | SD_BUS_METHOD_WITH_NAMES("SetTime", | |
1053 | "xbb", | |
1054 | SD_BUS_PARAM(usec_utc) | |
1055 | SD_BUS_PARAM(relative) | |
1056 | SD_BUS_PARAM(interactive), | |
1057 | NULL,, | |
1058 | method_set_time, | |
1059 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1060 | SD_BUS_METHOD_WITH_NAMES("SetTimezone", | |
1061 | "sb", | |
1062 | SD_BUS_PARAM(timezone) | |
1063 | SD_BUS_PARAM(interactive), | |
1064 | NULL,, | |
1065 | method_set_timezone, | |
1066 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1067 | SD_BUS_METHOD_WITH_NAMES("SetLocalRTC", | |
1068 | "bbb", | |
1069 | SD_BUS_PARAM(local_rtc) | |
1070 | SD_BUS_PARAM(fix_system) | |
1071 | SD_BUS_PARAM(interactive), | |
1072 | NULL,, | |
1073 | method_set_local_rtc, | |
1074 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1075 | SD_BUS_METHOD_WITH_NAMES("SetNTP", | |
1076 | "bb", | |
1077 | SD_BUS_PARAM(use_ntp) | |
1078 | SD_BUS_PARAM(interactive), | |
1079 | NULL,, | |
1080 | method_set_ntp, | |
1081 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1082 | SD_BUS_METHOD_WITH_NAMES("ListTimezones", | |
1083 | NULL,, | |
1084 | "as", | |
1085 | SD_BUS_PARAM(timezones), | |
1086 | method_list_timezones, | |
1087 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1088 | ||
40ca29a1 LP |
1089 | SD_BUS_VTABLE_END, |
1090 | }; | |
1091 | ||
c4b7d95c ZJS |
1092 | const BusObjectImplementation manager_object = { |
1093 | "/org/freedesktop/timedate1", | |
1094 | "org.freedesktop.timedate1", | |
1095 | .vtables = BUS_VTABLES(timedate_vtable), | |
1096 | }; | |
1097 | ||
40ca29a1 | 1098 | static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { |
4afd3348 | 1099 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
f401e48c LP |
1100 | int r; |
1101 | ||
40ca29a1 LP |
1102 | assert(c); |
1103 | assert(event); | |
f401e48c LP |
1104 | assert(_bus); |
1105 | ||
76b54375 | 1106 | r = sd_bus_default_system(&bus); |
f647962d MS |
1107 | if (r < 0) |
1108 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
f401e48c | 1109 | |
c4b7d95c | 1110 | r = bus_add_implementation(bus, &manager_object, c); |
f647962d | 1111 | if (r < 0) |
c4b7d95c | 1112 | return r; |
f401e48c | 1113 | |
ac9f55ed LP |
1114 | r = bus_log_control_api_register(bus); |
1115 | if (r < 0) | |
1116 | return r; | |
1117 | ||
0c0b9306 | 1118 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.timedate1", 0, NULL, NULL); |
f647962d | 1119 | if (r < 0) |
0c0b9306 | 1120 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 1121 | |
40ca29a1 | 1122 | r = sd_bus_attach_event(bus, event, 0); |
f647962d MS |
1123 | if (r < 0) |
1124 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
f401e48c | 1125 | |
1cc6c93a | 1126 | *_bus = TAKE_PTR(bus); |
f401e48c | 1127 | |
40ca29a1 | 1128 | return 0; |
f401e48c LP |
1129 | } |
1130 | ||
1f47bc33 YW |
1131 | static int run(int argc, char *argv[]) { |
1132 | _cleanup_(context_clear) Context context = {}; | |
4afd3348 LP |
1133 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
1134 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
f401e48c | 1135 | int r; |
f401e48c | 1136 | |
d2acb93d | 1137 | log_setup(); |
f401e48c | 1138 | |
fc021a5b ZJS |
1139 | r = service_parse_argv("systemd-timedated.service", |
1140 | "Manage the system clock and timezone and NTP enablement.", | |
c4b7d95c ZJS |
1141 | BUS_IMPLEMENTATIONS(&manager_object, |
1142 | &log_control_object), | |
fc021a5b ZJS |
1143 | argc, argv); |
1144 | if (r <= 0) | |
1145 | return r; | |
4c12626c | 1146 | |
fc021a5b | 1147 | umask(0022); |
f401e48c | 1148 | |
754f0269 YW |
1149 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
1150 | ||
afc6adb5 | 1151 | r = sd_event_default(&event); |
1f47bc33 YW |
1152 | if (r < 0) |
1153 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
f401e48c | 1154 | |
754f0269 YW |
1155 | (void) sd_event_set_watchdog(event, true); |
1156 | ||
1157 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
1f47bc33 YW |
1158 | if (r < 0) |
1159 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
754f0269 YW |
1160 | |
1161 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
1f47bc33 YW |
1162 | if (r < 0) |
1163 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 1164 | |
40ca29a1 | 1165 | r = connect_bus(&context, event, &bus); |
f401e48c | 1166 | if (r < 0) |
1f47bc33 | 1167 | return r; |
f401e48c | 1168 | |
dc751688 | 1169 | (void) sd_bus_negotiate_timestamp(bus, true); |
2479df30 | 1170 | |
40ca29a1 | 1171 | r = context_read_data(&context); |
1f47bc33 YW |
1172 | if (r < 0) |
1173 | return log_error_errno(r, "Failed to read time zone data: %m"); | |
c5f0532f | 1174 | |
5d280742 YW |
1175 | r = context_parse_ntp_services(&context); |
1176 | if (r < 0) | |
1f47bc33 | 1177 | return r; |
ad740100 | 1178 | |
37224a5f | 1179 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.timedate1", DEFAULT_EXIT_USEC, NULL, NULL); |
1f47bc33 YW |
1180 | if (r < 0) |
1181 | return log_error_errno(r, "Failed to run event loop: %m"); | |
f401e48c | 1182 | |
1f47bc33 | 1183 | return 0; |
f401e48c | 1184 | } |
1f47bc33 YW |
1185 | |
1186 | DEFINE_MAIN_FUNCTION(run); |