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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" |
28db6fbf | 23 | #include "constants.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) { |
40ca29a1 | 118 | assert(c); |
f401e48c | 119 | |
82d115d9 | 120 | free(c->zone); |
36e34057 | 121 | bus_verify_polkit_async_registry_free(c->polkit_registry); |
2770af85 | 122 | sd_bus_message_unref(c->cache); |
5d280742 | 123 | |
3af0a96c | 124 | sd_bus_slot_unref(c->slot_job_removed); |
3af0a96c | 125 | |
9aad490e | 126 | LIST_CLEAR(units, c->units, unit_status_info_free); |
5d280742 YW |
127 | } |
128 | ||
ad7fb943 | 129 | static int context_add_ntp_service(Context *c, const char *s, const char *source) { |
8b9afa55 | 130 | _cleanup_(unit_status_info_freep) UnitStatusInfo *unit = NULL; |
5d280742 | 131 | |
8b9afa55 YW |
132 | assert(c); |
133 | assert(s); | |
134 | assert(source); | |
135 | ||
5d280742 YW |
136 | if (!unit_name_is_valid(s, UNIT_NAME_PLAIN)) |
137 | return -EINVAL; | |
138 | ||
139 | /* Do not add this if it is already listed */ | |
140 | LIST_FOREACH(units, u, c->units) | |
141 | if (streq(u->name, s)) | |
142 | return 0; | |
143 | ||
8b9afa55 YW |
144 | unit = new0(UnitStatusInfo, 1); |
145 | if (!unit) | |
5d280742 YW |
146 | return -ENOMEM; |
147 | ||
8b9afa55 YW |
148 | unit->name = strdup(s); |
149 | if (!unit->name) | |
5d280742 | 150 | return -ENOMEM; |
5d280742 | 151 | |
8b9afa55 YW |
152 | LIST_APPEND(units, c->units, unit); |
153 | log_unit_debug(unit, "added from %s.", source); | |
154 | TAKE_PTR(unit); | |
5d280742 YW |
155 | |
156 | return 0; | |
157 | } | |
158 | ||
afaae43b | 159 | static int context_parse_ntp_services_from_environment(Context *c) { |
5d280742 YW |
160 | const char *env, *p; |
161 | int r; | |
162 | ||
163 | assert(c); | |
164 | ||
165 | env = getenv("SYSTEMD_TIMEDATED_NTP_SERVICES"); | |
afaae43b | 166 | if (!env) |
5d280742 | 167 | return 0; |
afaae43b | 168 | |
ad7fb943 | 169 | log_debug("Using list of ntp services from environment variable $SYSTEMD_TIMEDATED_NTP_SERVICES=%s.", env); |
5d280742 YW |
170 | |
171 | for (p = env;;) { | |
172 | _cleanup_free_ char *word = NULL; | |
173 | ||
174 | r = extract_first_word(&p, &word, ":", 0); | |
175 | if (r == 0) | |
176 | break; | |
177 | if (r == -ENOMEM) | |
178 | return log_oom(); | |
179 | if (r < 0) { | |
180 | log_error("Invalid syntax, ignoring: %s", env); | |
181 | break; | |
182 | } | |
183 | ||
ad7fb943 | 184 | r = context_add_ntp_service(c, word, "$SYSTEMD_TIMEDATED_NTP_SERVICES"); |
5d280742 YW |
185 | if (r < 0) |
186 | log_warning_errno(r, "Failed to add NTP service \"%s\", ignoring: %m", word); | |
187 | } | |
188 | ||
afaae43b ZJS |
189 | return 1; |
190 | } | |
191 | ||
192 | static int context_parse_ntp_services_from_disk(Context *c) { | |
193 | _cleanup_strv_free_ char **files = NULL; | |
afaae43b ZJS |
194 | int r; |
195 | ||
196 | r = conf_files_list_strv(&files, ".list", NULL, CONF_FILES_FILTER_MASKED, UNIT_LIST_DIRS); | |
197 | if (r < 0) | |
198 | return log_error_errno(r, "Failed to enumerate .list files: %m"); | |
199 | ||
200 | STRV_FOREACH(f, files) { | |
201 | _cleanup_fclose_ FILE *file = NULL; | |
202 | ||
203 | log_debug("Reading file '%s'", *f); | |
204 | ||
205 | r = fopen_unlocked(*f, "re", &file); | |
206 | if (r < 0) { | |
207 | log_error_errno(r, "Failed to open %s, ignoring: %m", *f); | |
208 | continue; | |
209 | } | |
210 | ||
211 | for (;;) { | |
212 | _cleanup_free_ char *line = NULL; | |
213 | const char *word; | |
214 | ||
215 | r = read_line(file, LINE_MAX, &line); | |
216 | if (r < 0) { | |
217 | log_error_errno(r, "Failed to read %s, ignoring: %m", *f); | |
218 | continue; | |
219 | } | |
220 | if (r == 0) | |
221 | break; | |
222 | ||
223 | word = strstrip(line); | |
03a81441 | 224 | if (isempty(word) || startswith(word, "#")) |
afaae43b ZJS |
225 | continue; |
226 | ||
ad7fb943 | 227 | r = context_add_ntp_service(c, word, *f); |
afaae43b ZJS |
228 | if (r < 0) |
229 | log_warning_errno(r, "Failed to add NTP service \"%s\", ignoring: %m", word); | |
230 | } | |
231 | } | |
232 | ||
233 | return 1; | |
234 | } | |
235 | ||
236 | static int context_parse_ntp_services(Context *c) { | |
237 | int r; | |
238 | ||
239 | r = context_parse_ntp_services_from_environment(c); | |
240 | if (r != 0) | |
241 | return r; | |
242 | ||
243 | return context_parse_ntp_services_from_disk(c); | |
5d280742 YW |
244 | } |
245 | ||
246 | static int context_ntp_service_is_active(Context *c) { | |
5d280742 YW |
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 | 259 | static int context_ntp_service_exists(Context *c) { |
5d280742 YW |
260 | int count = 0; |
261 | ||
262 | assert(c); | |
263 | ||
264 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ | |
265 | ||
266 | LIST_FOREACH(units, info, c->units) | |
267 | count += streq_ptr(info->load_state, "loaded"); | |
268 | ||
269 | return count; | |
f401e48c LP |
270 | } |
271 | ||
40ca29a1 | 272 | static int context_read_data(Context *c) { |
424a19f8 | 273 | _cleanup_free_ char *t = NULL; |
40ca29a1 LP |
274 | int r; |
275 | ||
276 | assert(c); | |
f401e48c | 277 | |
5c904ba5 LP |
278 | r = get_timezone(&t); |
279 | if (r == -EINVAL) | |
280 | log_warning_errno(r, "/etc/localtime should be a symbolic link to a time zone data file in /usr/share/zoneinfo/."); | |
281 | else if (r < 0) | |
282 | log_warning_errno(r, "Failed to get target of /etc/localtime: %m"); | |
92c4ef2d | 283 | |
f9ecfd3b | 284 | free_and_replace(c->zone, t); |
f401e48c | 285 | |
6369641d | 286 | c->local_rtc = clock_is_localtime(NULL) > 0; |
f401e48c LP |
287 | |
288 | return 0; | |
289 | } | |
290 | ||
40ca29a1 | 291 | static int context_write_data_timezone(Context *c) { |
424a19f8 | 292 | _cleanup_free_ char *p = NULL; |
9193af0f | 293 | const char *source; |
40ca29a1 LP |
294 | |
295 | assert(c); | |
e19a21a8 | 296 | |
9193af0f LP |
297 | /* No timezone is very similar to UTC. Hence in either of these cases link the UTC file in. Except if |
298 | * it isn't installed, in which case we remove the symlink altogether. Since glibc defaults to an | |
299 | * internal version of UTC in that case behaviour is mostly equivalent. We still prefer creating the | |
300 | * symlink though, since things are more self explanatory then. */ | |
301 | ||
302 | if (isempty(c->zone) || streq(c->zone, "UTC")) { | |
303 | ||
304 | if (access("/usr/share/zoneinfo/UTC", F_OK) < 0) { | |
305 | ||
306 | if (unlink("/etc/localtime") < 0 && errno != ENOENT) | |
307 | return -errno; | |
f401e48c | 308 | |
9193af0f LP |
309 | return 0; |
310 | } | |
311 | ||
312 | source = "../usr/share/zoneinfo/UTC"; | |
313 | } else { | |
314 | p = path_join("../usr/share/zoneinfo", c->zone); | |
315 | if (!p) | |
316 | return -ENOMEM; | |
317 | ||
318 | source = p; | |
319 | } | |
f401e48c | 320 | |
9193af0f | 321 | return symlink_atomic(source, "/etc/localtime"); |
f401e48c LP |
322 | } |
323 | ||
40ca29a1 | 324 | static int context_write_data_local_rtc(Context *c) { |
7fd1b19b | 325 | _cleanup_free_ char *s = NULL, *w = NULL; |
d9cb4bba | 326 | int r; |
f401e48c | 327 | |
40ca29a1 LP |
328 | assert(c); |
329 | ||
f401e48c LP |
330 | r = read_full_file("/etc/adjtime", &s, NULL); |
331 | if (r < 0) { | |
332 | if (r != -ENOENT) | |
333 | return r; | |
334 | ||
40ca29a1 | 335 | if (!c->local_rtc) |
f401e48c LP |
336 | return 0; |
337 | ||
338 | w = strdup(NULL_ADJTIME_LOCAL); | |
339 | if (!w) | |
340 | return -ENOMEM; | |
341 | } else { | |
c9410dd4 | 342 | char *p; |
8f462d87 | 343 | const char *e = "\n"; /* default if there is less than 3 lines */ |
c9410dd4 | 344 | const char *prepend = ""; |
f401e48c LP |
345 | size_t a, b; |
346 | ||
c9410dd4 | 347 | p = strchrnul(s, '\n'); |
cb971cc0 | 348 | if (*p == '\0') |
c9410dd4 MP |
349 | /* only one line, no \n terminator */ |
350 | prepend = "\n0\n"; | |
cb971cc0 | 351 | else if (p[1] == '\0') { |
c9410dd4 MP |
352 | /* only one line, with \n terminator */ |
353 | ++p; | |
354 | prepend = "0\n"; | |
355 | } else { | |
356 | p = strchr(p+1, '\n'); | |
357 | if (!p) { | |
358 | /* only two lines, no \n terminator */ | |
359 | prepend = "\n"; | |
360 | p = s + strlen(s); | |
361 | } else { | |
362 | char *end; | |
363 | /* third line might have a \n terminator or not */ | |
364 | p++; | |
365 | end = strchr(p, '\n'); | |
366 | /* if we actually have a fourth line, use that as suffix "e", otherwise the default \n */ | |
367 | if (end) | |
368 | e = end; | |
369 | } | |
370 | } | |
f401e48c LP |
371 | |
372 | a = p - s; | |
373 | b = strlen(e); | |
374 | ||
c9410dd4 | 375 | w = new(char, a + (c->local_rtc ? 5 : 3) + strlen(prepend) + b + 1); |
d257f05a | 376 | if (!w) |
f401e48c | 377 | return -ENOMEM; |
f401e48c | 378 | |
c9410dd4 | 379 | *(char*) mempcpy(stpcpy(stpcpy(mempcpy(w, s, a), prepend), c->local_rtc ? "LOCAL" : "UTC"), e, b) = 0; |
f401e48c LP |
380 | |
381 | if (streq(w, NULL_ADJTIME_UTC)) { | |
d257f05a | 382 | if (unlink("/etc/adjtime") < 0) |
f401e48c LP |
383 | if (errno != ENOENT) |
384 | return -errno; | |
f401e48c LP |
385 | |
386 | return 0; | |
387 | } | |
388 | } | |
40ca29a1 | 389 | |
a452c807 | 390 | r = mac_init(); |
a9ba0e32 CG |
391 | if (r < 0) |
392 | return r; | |
393 | ||
d257f05a | 394 | return write_string_file_atomic_label("/etc/adjtime", w); |
f401e48c LP |
395 | } |
396 | ||
5d280742 YW |
397 | static int context_update_ntp_status(Context *c, sd_bus *bus, sd_bus_message *m) { |
398 | static const struct bus_properties_map map[] = { | |
399 | { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) }, | |
400 | { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) }, | |
401 | { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) }, | |
402 | {} | |
403 | }; | |
c5f0532f LP |
404 | int r; |
405 | ||
40ca29a1 | 406 | assert(c); |
c5f0532f LP |
407 | assert(bus); |
408 | ||
2770af85 YW |
409 | /* Suppress calling context_update_ntp_status() multiple times within single DBus transaction. */ |
410 | if (m) { | |
411 | if (m == c->cache) | |
412 | return 0; | |
2aa4c315 | 413 | |
2770af85 YW |
414 | sd_bus_message_unref(c->cache); |
415 | c->cache = sd_bus_message_ref(m); | |
416 | } | |
2aa4c315 | 417 | |
5d280742 YW |
418 | LIST_FOREACH(units, u, c->units) { |
419 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5d280742 | 420 | _cleanup_free_ char *path = NULL; |
c5f0532f | 421 | |
5d280742 | 422 | unit_status_info_clear(u); |
40ca29a1 | 423 | |
5d280742 YW |
424 | path = unit_dbus_path_from_name(u->name); |
425 | if (!path) | |
426 | return -ENOMEM; | |
427 | ||
428 | r = bus_map_all_properties( | |
429 | bus, | |
430 | "org.freedesktop.systemd1", | |
431 | path, | |
432 | map, | |
433 | BUS_MAP_STRDUP, | |
434 | &error, | |
435 | NULL, | |
436 | u); | |
437 | if (r < 0) | |
ad7fb943 | 438 | return log_unit_error_errno(u, r, "Failed to get properties: %s", bus_error_message(&error, r)); |
5d280742 | 439 | } |
c5f0532f | 440 | |
40ca29a1 | 441 | return 0; |
c5f0532f LP |
442 | } |
443 | ||
3af0a96c | 444 | static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
99534007 | 445 | Context *c = ASSERT_PTR(userdata); |
cf3872bd YW |
446 | const char *path; |
447 | unsigned n = 0; | |
3af0a96c YW |
448 | int r; |
449 | ||
3af0a96c YW |
450 | assert(m); |
451 | ||
452 | r = sd_bus_message_read(m, "uoss", NULL, &path, NULL, NULL); | |
453 | if (r < 0) { | |
454 | bus_log_parse_error(r); | |
455 | return 0; | |
456 | } | |
457 | ||
cf3872bd YW |
458 | LIST_FOREACH(units, u, c->units) |
459 | if (streq_ptr(path, u->path)) | |
460 | u->path = mfree(u->path); | |
461 | else | |
462 | n += !!u->path; | |
3af0a96c | 463 | |
cf3872bd | 464 | if (n == 0) { |
cf3872bd | 465 | c->slot_job_removed = sd_bus_slot_unref(c->slot_job_removed); |
49942d6b | 466 | |
ad7fb943 ZJS |
467 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
468 | "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "NTP", | |
469 | NULL); | |
cf3872bd | 470 | } |
3af0a96c YW |
471 | |
472 | return 0; | |
473 | } | |
474 | ||
cf3872bd | 475 | static int unit_start_or_stop(UnitStatusInfo *u, sd_bus *bus, sd_bus_error *error, bool start) { |
3af0a96c | 476 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
3af0a96c | 477 | const char *path; |
c5f0532f LP |
478 | int r; |
479 | ||
5d280742 | 480 | assert(u); |
c5f0532f LP |
481 | assert(bus); |
482 | assert(error); | |
483 | ||
43fe4f76 | 484 | r = bus_call_method( |
81b84399 | 485 | bus, |
43fe4f76 | 486 | bus_systemd_mgr, |
5d280742 | 487 | start ? "StartUnit" : "StopUnit", |
81b84399 | 488 | error, |
3af0a96c | 489 | &reply, |
81b84399 | 490 | "ss", |
5d280742 | 491 | u->name, |
81b84399 | 492 | "replace"); |
5b098203 YW |
493 | log_unit_full_errno_zerook(u, r < 0 ? LOG_WARNING : LOG_DEBUG, r, |
494 | "%s unit: %m", start ? "Starting" : "Stopping"); | |
5d280742 | 495 | if (r < 0) |
b72ddf0f | 496 | return r; |
c5f0532f | 497 | |
3af0a96c YW |
498 | r = sd_bus_message_read(reply, "o", &path); |
499 | if (r < 0) | |
500 | return bus_log_parse_error(r); | |
501 | ||
cf3872bd | 502 | r = free_and_strdup(&u->path, path); |
3af0a96c YW |
503 | if (r < 0) |
504 | return log_oom(); | |
505 | ||
b72ddf0f | 506 | return 0; |
c5f0532f LP |
507 | } |
508 | ||
5d280742 | 509 | static int unit_enable_or_disable(UnitStatusInfo *u, sd_bus *bus, sd_bus_error *error, bool enable) { |
c5f0532f | 510 | int r; |
c5f0532f | 511 | |
5d280742 | 512 | assert(u); |
c5f0532f LP |
513 | assert(bus); |
514 | assert(error); | |
515 | ||
5d280742 YW |
516 | /* Call context_update_ntp_status() to update UnitStatusInfo before calling this. */ |
517 | ||
ad7fb943 ZJS |
518 | if (streq(u->unit_file_state, "enabled") == enable) { |
519 | log_unit_debug(u, "already %sd.", enable_disable(enable)); | |
5d280742 | 520 | return 0; |
ad7fb943 ZJS |
521 | } |
522 | ||
523 | log_unit_info(u, "%s unit.", enable ? "Enabling" : "Disabling"); | |
5d280742 YW |
524 | |
525 | if (enable) | |
43fe4f76 | 526 | r = bus_call_method( |
40ca29a1 | 527 | bus, |
43fe4f76 | 528 | bus_systemd_mgr, |
b72ddf0f | 529 | "EnableUnitFiles", |
40ca29a1 LP |
530 | error, |
531 | NULL, | |
b72ddf0f | 532 | "asbb", 1, |
5d280742 | 533 | u->name, |
b72ddf0f KS |
534 | false, true); |
535 | else | |
43fe4f76 | 536 | r = bus_call_method( |
b72ddf0f | 537 | bus, |
43fe4f76 | 538 | bus_systemd_mgr, |
b72ddf0f KS |
539 | "DisableUnitFiles", |
540 | error, | |
541 | NULL, | |
542 | "asb", 1, | |
5d280742 | 543 | u->name, |
b72ddf0f | 544 | false); |
5d280742 | 545 | if (r < 0) |
b72ddf0f | 546 | return r; |
c5f0532f | 547 | |
43fe4f76 | 548 | r = bus_call_method(bus, bus_systemd_mgr, "Reload", error, NULL, NULL); |
3af0a96c YW |
549 | if (r < 0) |
550 | return r; | |
551 | ||
b72ddf0f | 552 | return 0; |
40ca29a1 | 553 | } |
c5f0532f | 554 | |
8f0ea0ef ZJS |
555 | static bool ntp_synced(void) { |
556 | struct timex txc = {}; | |
557 | ||
558 | if (adjtimex(&txc) < 0) | |
559 | return false; | |
560 | ||
561 | /* Consider the system clock synchronized if the reported maximum error is smaller than the maximum | |
562 | * value (16 seconds). Ignore the STA_UNSYNC flag as it may have been set to prevent the kernel from | |
563 | * touching the RTC. */ | |
564 | return txc.maxerror < 16000000; | |
565 | } | |
566 | ||
6cc379b5 YW |
567 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_time, "t", now(CLOCK_REALTIME)); |
568 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_ntp_sync, "b", ntp_synced()); | |
569 | ||
6fc60278 LP |
570 | static int property_get_rtc_time( |
571 | sd_bus *bus, | |
572 | const char *path, | |
573 | const char *interface, | |
574 | const char *property, | |
575 | sd_bus_message *reply, | |
ebcf1f97 LP |
576 | void *userdata, |
577 | sd_bus_error *error) { | |
6fc60278 | 578 | |
d9cb4bba ZJS |
579 | struct tm tm = {}; |
580 | usec_t t = 0; | |
6fc60278 LP |
581 | int r; |
582 | ||
60989612 | 583 | r = clock_get_hwclock(&tm); |
d9cb4bba | 584 | if (r == -EBUSY) |
07a062a7 | 585 | log_warning("/dev/rtc is busy. Is somebody keeping it open continuously? That's not a good idea... Returning a bogus RTC timestamp."); |
d9cb4bba | 586 | else if (r == -ENOENT) |
07a062a7 | 587 | log_debug("/dev/rtc not found."); |
d9cb4bba | 588 | else if (r < 0) |
10a87006 | 589 | return sd_bus_error_set_errnof(error, r, "Failed to read RTC: %m"); |
ebcf1f97 | 590 | else |
2f6a5907 | 591 | t = (usec_t) timegm(&tm) * USEC_PER_SEC; |
6fc60278 | 592 | |
ebcf1f97 | 593 | return sd_bus_message_append(reply, "t", t); |
6fc60278 LP |
594 | } |
595 | ||
5d280742 YW |
596 | static int property_get_can_ntp( |
597 | sd_bus *bus, | |
598 | const char *path, | |
599 | const char *interface, | |
600 | const char *property, | |
601 | sd_bus_message *reply, | |
602 | void *userdata, | |
603 | sd_bus_error *error) { | |
604 | ||
99534007 | 605 | Context *c = ASSERT_PTR(userdata); |
5d280742 YW |
606 | int r; |
607 | ||
5d280742 YW |
608 | assert(bus); |
609 | assert(property); | |
610 | assert(reply); | |
611 | assert(error); | |
612 | ||
b4356b57 YW |
613 | if (c->slot_job_removed) |
614 | /* When the previous request is not finished, then assume NTP is enabled. */ | |
615 | return sd_bus_message_append(reply, "b", true); | |
616 | ||
5d280742 YW |
617 | r = context_update_ntp_status(c, bus, reply); |
618 | if (r < 0) | |
619 | return r; | |
620 | ||
621 | return sd_bus_message_append(reply, "b", context_ntp_service_exists(c) > 0); | |
622 | } | |
623 | ||
624 | static int property_get_ntp( | |
625 | sd_bus *bus, | |
626 | const char *path, | |
627 | const char *interface, | |
628 | const char *property, | |
629 | sd_bus_message *reply, | |
630 | void *userdata, | |
631 | sd_bus_error *error) { | |
632 | ||
99534007 | 633 | Context *c = ASSERT_PTR(userdata); |
5d280742 YW |
634 | int r; |
635 | ||
5d280742 YW |
636 | assert(bus); |
637 | assert(property); | |
638 | assert(reply); | |
639 | assert(error); | |
640 | ||
b4356b57 YW |
641 | if (c->slot_job_removed) |
642 | /* When the previous request is not finished, then assume NTP is active. */ | |
643 | return sd_bus_message_append(reply, "b", true); | |
644 | ||
5d280742 YW |
645 | r = context_update_ntp_status(c, bus, reply); |
646 | if (r < 0) | |
647 | return r; | |
648 | ||
649 | return sd_bus_message_append(reply, "b", context_ntp_service_is_active(c) > 0); | |
650 | } | |
651 | ||
19070062 | 652 | static int method_set_timezone(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
99534007 | 653 | Context *c = ASSERT_PTR(userdata); |
2c3def62 | 654 | int interactive, r; |
40ca29a1 | 655 | const char *z; |
c5f0532f | 656 | |
7e9cf16c | 657 | assert(m); |
7e9cf16c | 658 | |
40ca29a1 LP |
659 | r = sd_bus_message_read(m, "sb", &z, &interactive); |
660 | if (r < 0) | |
ebcf1f97 | 661 | return r; |
c5f0532f | 662 | |
089fb865 | 663 | if (!timezone_is_valid(z, LOG_DEBUG)) |
5322db06 | 664 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid or not installed time zone '%s'", z); |
ac7019f3 | 665 | |
539a68e0 | 666 | if (streq_ptr(z, c->zone)) |
df2d202e | 667 | return sd_bus_reply_method_return(m, NULL); |
c5f0532f | 668 | |
c529695e LP |
669 | r = bus_verify_polkit_async( |
670 | m, | |
671 | CAP_SYS_TIME, | |
672 | "org.freedesktop.timedate1.set-timezone", | |
403ed0e5 | 673 | NULL, |
c529695e LP |
674 | interactive, |
675 | UID_INVALID, | |
676 | &c->polkit_registry, | |
677 | error); | |
40ca29a1 | 678 | if (r < 0) |
ebcf1f97 | 679 | return r; |
40ca29a1 | 680 | if (r == 0) |
6fc60278 | 681 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ |
6ffe5e37 | 682 | |
539a68e0 YW |
683 | r = free_and_strdup(&c->zone, z); |
684 | if (r < 0) | |
685 | return r; | |
686 | ||
40ca29a1 LP |
687 | /* 1. Write new configuration file */ |
688 | r = context_write_data_timezone(c); | |
689 | if (r < 0) { | |
da927ba9 | 690 | log_error_errno(r, "Failed to set time zone: %m"); |
10a87006 | 691 | return sd_bus_error_set_errnof(error, r, "Failed to set time zone: %m"); |
40ca29a1 | 692 | } |
6ffe5e37 | 693 | |
8a50b96f LP |
694 | /* 2. Make glibc notice the new timezone */ |
695 | tzset(); | |
696 | ||
697 | /* 3. Tell the kernel our timezone */ | |
2a7ff45f LP |
698 | r = clock_set_timezone(NULL); |
699 | if (r < 0) | |
700 | log_debug_errno(r, "Failed to tell kernel about timezone, ignoring: %m"); | |
6ffe5e37 | 701 | |
40ca29a1 LP |
702 | if (c->local_rtc) { |
703 | struct timespec ts; | |
e0f691e1 | 704 | struct tm tm; |
c5f0532f | 705 | |
8a50b96f | 706 | /* 4. Sync RTC from system clock, with the new delta */ |
40ca29a1 | 707 | assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0); |
e0f691e1 | 708 | assert_se(localtime_r(&ts.tv_sec, &tm)); |
2a7ff45f | 709 | |
e0f691e1 | 710 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
711 | if (r < 0) |
712 | log_debug_errno(r, "Failed to sync time to hardware clock, ignoring: %m"); | |
40ca29a1 | 713 | } |
c5f0532f | 714 | |
40ca29a1 | 715 | log_struct(LOG_INFO, |
2b044526 | 716 | "MESSAGE_ID=" SD_MESSAGE_TIMEZONE_CHANGE_STR, |
40ca29a1 | 717 | "TIMEZONE=%s", c->zone, |
8a50b96f LP |
718 | "TIMEZONE_SHORTNAME=%s", tzname[daylight], |
719 | "DAYLIGHT=%i", daylight, | |
a1230ff9 | 720 | LOG_MESSAGE("Changed time zone to '%s' (%s).", c->zone, tzname[daylight])); |
c5f0532f | 721 | |
ad7fb943 ZJS |
722 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
723 | "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "Timezone", | |
724 | NULL); | |
c5f0532f | 725 | |
df2d202e | 726 | return sd_bus_reply_method_return(m, NULL); |
c5f0532f LP |
727 | } |
728 | ||
19070062 | 729 | static int method_set_local_rtc(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
102d8f81 | 730 | int lrtc, fix_system, interactive; |
99534007 | 731 | Context *c = ASSERT_PTR(userdata); |
40ca29a1 | 732 | struct timespec ts; |
f401e48c LP |
733 | int r; |
734 | ||
40ca29a1 | 735 | assert(m); |
f401e48c | 736 | |
40ca29a1 LP |
737 | r = sd_bus_message_read(m, "bbb", &lrtc, &fix_system, &interactive); |
738 | if (r < 0) | |
ebcf1f97 | 739 | return r; |
f401e48c | 740 | |
2be6c475 | 741 | if (lrtc == c->local_rtc && !fix_system) |
df2d202e | 742 | return sd_bus_reply_method_return(m, NULL); |
f401e48c | 743 | |
c529695e LP |
744 | r = bus_verify_polkit_async( |
745 | m, | |
746 | CAP_SYS_TIME, | |
747 | "org.freedesktop.timedate1.set-local-rtc", | |
403ed0e5 | 748 | NULL, |
c529695e LP |
749 | interactive, |
750 | UID_INVALID, | |
751 | &c->polkit_registry, | |
752 | error); | |
40ca29a1 | 753 | if (r < 0) |
ebcf1f97 | 754 | return r; |
40ca29a1 LP |
755 | if (r == 0) |
756 | return 1; | |
f401e48c | 757 | |
2be6c475 YW |
758 | if (lrtc != c->local_rtc) { |
759 | c->local_rtc = lrtc; | |
f401e48c | 760 | |
2be6c475 YW |
761 | /* 1. Write new configuration file */ |
762 | r = context_write_data_local_rtc(c); | |
763 | if (r < 0) { | |
764 | log_error_errno(r, "Failed to set RTC to %s: %m", lrtc ? "local" : "UTC"); | |
765 | return sd_bus_error_set_errnof(error, r, "Failed to set RTC to %s: %m", lrtc ? "local" : "UTC"); | |
766 | } | |
40ca29a1 | 767 | } |
f401e48c | 768 | |
40ca29a1 | 769 | /* 2. Tell the kernel our timezone */ |
2a7ff45f LP |
770 | r = clock_set_timezone(NULL); |
771 | if (r < 0) | |
772 | log_debug_errno(r, "Failed to tell kernel about timezone, ignoring: %m"); | |
f401e48c | 773 | |
40ca29a1 LP |
774 | /* 3. Synchronize clocks */ |
775 | assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0); | |
f401e48c | 776 | |
40ca29a1 LP |
777 | if (fix_system) { |
778 | struct tm tm; | |
f401e48c | 779 | |
2a7ff45f | 780 | /* Sync system clock from RTC; first, initialize the timezone fields of struct tm. */ |
56b0ef2f | 781 | localtime_or_gmtime_r(&ts.tv_sec, &tm, !c->local_rtc); |
72edcff5 | 782 | |
2a7ff45f LP |
783 | /* Override the main fields of struct tm, but not the timezone fields */ |
784 | r = clock_get_hwclock(&tm); | |
785 | if (r < 0) | |
786 | log_debug_errno(r, "Failed to get hardware clock, ignoring: %m"); | |
787 | else { | |
788 | /* And set the system clock with this */ | |
df49792e | 789 | ts.tv_sec = mktime_or_timegm(&tm, !c->local_rtc); |
2076cf88 | 790 | |
2a7ff45f LP |
791 | if (clock_settime(CLOCK_REALTIME, &ts) < 0) |
792 | log_debug_errno(errno, "Failed to update system clock, ignoring: %m"); | |
f401e48c LP |
793 | } |
794 | ||
40ca29a1 | 795 | } else { |
e46acb79 | 796 | struct tm tm; |
f401e48c | 797 | |
40ca29a1 | 798 | /* Sync RTC from system clock */ |
56b0ef2f | 799 | localtime_or_gmtime_r(&ts.tv_sec, &tm, !c->local_rtc); |
2076cf88 | 800 | |
e46acb79 | 801 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
802 | if (r < 0) |
803 | log_debug_errno(r, "Failed to sync time to hardware clock, ignoring: %m"); | |
40ca29a1 | 804 | } |
2076cf88 | 805 | |
40ca29a1 | 806 | log_info("RTC configured to %s time.", c->local_rtc ? "local" : "UTC"); |
2076cf88 | 807 | |
ad7fb943 ZJS |
808 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
809 | "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "LocalRTC", | |
810 | NULL); | |
2076cf88 | 811 | |
df2d202e | 812 | return sd_bus_reply_method_return(m, NULL); |
40ca29a1 | 813 | } |
2076cf88 | 814 | |
19070062 | 815 | static int method_set_time(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
5d280742 | 816 | sd_bus *bus = sd_bus_message_get_bus(m); |
dfc5c4f2 | 817 | char buf[FORMAT_TIMESTAMP_MAX]; |
5d280742 | 818 | int relative, interactive, r; |
99534007 | 819 | Context *c = ASSERT_PTR(userdata); |
40ca29a1 LP |
820 | int64_t utc; |
821 | struct timespec ts; | |
2479df30 | 822 | usec_t start; |
e46acb79 | 823 | struct tm tm; |
2076cf88 | 824 | |
40ca29a1 | 825 | assert(m); |
2076cf88 | 826 | |
b4356b57 YW |
827 | if (c->slot_job_removed) |
828 | return sd_bus_error_set(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Previous request is not finished, refusing."); | |
829 | ||
5d280742 YW |
830 | r = context_update_ntp_status(c, bus, m); |
831 | if (r < 0) | |
832 | return sd_bus_error_set_errnof(error, r, "Failed to update context: %m"); | |
833 | ||
834 | if (context_ntp_service_is_active(c) > 0) | |
e9e5ea88 | 835 | return sd_bus_error_set(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Automatic time synchronization is enabled"); |
82d115d9 | 836 | |
6829cec4 SL |
837 | /* this only gets used if dbus does not provide a timestamp */ |
838 | start = now(CLOCK_MONOTONIC); | |
839 | ||
40ca29a1 LP |
840 | r = sd_bus_message_read(m, "xbb", &utc, &relative, &interactive); |
841 | if (r < 0) | |
ebcf1f97 | 842 | return r; |
2076cf88 | 843 | |
40ca29a1 | 844 | if (!relative && utc <= 0) |
e9e5ea88 | 845 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid absolute time"); |
2076cf88 | 846 | |
40ca29a1 | 847 | if (relative && utc == 0) |
df2d202e | 848 | return sd_bus_reply_method_return(m, NULL); |
2076cf88 | 849 | |
40ca29a1 LP |
850 | if (relative) { |
851 | usec_t n, x; | |
f401e48c | 852 | |
40ca29a1 LP |
853 | n = now(CLOCK_REALTIME); |
854 | x = n + utc; | |
f401e48c | 855 | |
40ca29a1 LP |
856 | if ((utc > 0 && x < n) || |
857 | (utc < 0 && x > n)) | |
e9e5ea88 | 858 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Time value overflow"); |
f401e48c | 859 | |
40ca29a1 LP |
860 | timespec_store(&ts, x); |
861 | } else | |
862 | timespec_store(&ts, (usec_t) utc); | |
2076cf88 | 863 | |
c529695e LP |
864 | r = bus_verify_polkit_async( |
865 | m, | |
866 | CAP_SYS_TIME, | |
867 | "org.freedesktop.timedate1.set-time", | |
403ed0e5 | 868 | NULL, |
c529695e LP |
869 | interactive, |
870 | UID_INVALID, | |
871 | &c->polkit_registry, | |
872 | error); | |
40ca29a1 | 873 | if (r < 0) |
ebcf1f97 | 874 | return r; |
40ca29a1 LP |
875 | if (r == 0) |
876 | return 1; | |
877 | ||
2479df30 SL |
878 | /* adjust ts for time spent in program */ |
879 | r = sd_bus_message_get_monotonic_usec(m, &start); | |
6829cec4 | 880 | /* when sd_bus_message_get_monotonic_usec() returns -ENODATA it does not modify &start */ |
2479df30 SL |
881 | if (r < 0 && r != -ENODATA) |
882 | return r; | |
6829cec4 SL |
883 | |
884 | timespec_store(&ts, timespec_load(&ts) + (now(CLOCK_MONOTONIC) - start)); | |
2479df30 | 885 | |
40ca29a1 LP |
886 | /* Set system clock */ |
887 | if (clock_settime(CLOCK_REALTIME, &ts) < 0) { | |
56f64d95 | 888 | log_error_errno(errno, "Failed to set local time: %m"); |
ebcf1f97 | 889 | return sd_bus_error_set_errnof(error, errno, "Failed to set local time: %m"); |
40ca29a1 | 890 | } |
2076cf88 | 891 | |
40ca29a1 | 892 | /* Sync down to RTC */ |
56b0ef2f | 893 | localtime_or_gmtime_r(&ts.tv_sec, &tm, !c->local_rtc); |
2a7ff45f | 894 | |
e46acb79 | 895 | r = clock_set_hwclock(&tm); |
2a7ff45f LP |
896 | if (r < 0) |
897 | log_debug_errno(r, "Failed to update hardware clock, ignoring: %m"); | |
f401e48c | 898 | |
40ca29a1 | 899 | log_struct(LOG_INFO, |
2b044526 | 900 | "MESSAGE_ID=" SD_MESSAGE_TIME_CHANGE_STR, |
de0671ee | 901 | "REALTIME="USEC_FMT, timespec_load(&ts), |
dfc5c4f2 | 902 | LOG_MESSAGE("Changed local time to %s", strnull(format_timestamp(buf, sizeof(buf), timespec_load(&ts))))); |
f401e48c | 903 | |
df2d202e | 904 | return sd_bus_reply_method_return(m, NULL); |
40ca29a1 | 905 | } |
f401e48c | 906 | |
19070062 | 907 | static int method_set_ntp(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
cf3872bd | 908 | _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot = NULL; |
5d280742 | 909 | sd_bus *bus = sd_bus_message_get_bus(m); |
99534007 | 910 | Context *c = ASSERT_PTR(userdata); |
ad7fb943 | 911 | const UnitStatusInfo *selected = NULL; |
5d280742 | 912 | int enable, interactive, q, r; |
f401e48c | 913 | |
19070062 | 914 | assert(m); |
5d280742 | 915 | assert(bus); |
19070062 | 916 | |
5d280742 | 917 | r = sd_bus_message_read(m, "bb", &enable, &interactive); |
40ca29a1 | 918 | if (r < 0) |
ebcf1f97 | 919 | return r; |
f401e48c | 920 | |
5d280742 YW |
921 | r = context_update_ntp_status(c, bus, m); |
922 | if (r < 0) | |
923 | return r; | |
924 | ||
925 | if (context_ntp_service_exists(c) <= 0) | |
926 | return sd_bus_error_set(error, BUS_ERROR_NO_NTP_SUPPORT, "NTP not supported"); | |
f401e48c | 927 | |
c529695e LP |
928 | r = bus_verify_polkit_async( |
929 | m, | |
930 | CAP_SYS_TIME, | |
931 | "org.freedesktop.timedate1.set-ntp", | |
403ed0e5 | 932 | NULL, |
c529695e LP |
933 | interactive, |
934 | UID_INVALID, | |
935 | &c->polkit_registry, | |
936 | error); | |
40ca29a1 | 937 | if (r < 0) |
ebcf1f97 | 938 | return r; |
40ca29a1 LP |
939 | if (r == 0) |
940 | return 1; | |
f401e48c | 941 | |
cf3872bd YW |
942 | /* This method may be called frequently. Forget the previous job if it has not completed yet. */ |
943 | LIST_FOREACH(units, u, c->units) | |
944 | u->path = mfree(u->path); | |
945 | ||
946 | if (!c->slot_job_removed) { | |
43fe4f76 | 947 | r = bus_match_signal_async( |
cf3872bd YW |
948 | bus, |
949 | &slot, | |
43fe4f76 | 950 | bus_systemd_mgr, |
cf3872bd YW |
951 | "JobRemoved", |
952 | match_job_removed, NULL, c); | |
953 | if (r < 0) | |
954 | return r; | |
955 | } | |
956 | ||
0957790b | 957 | if (enable) |
5d280742 | 958 | LIST_FOREACH(units, u, c->units) { |
0957790b | 959 | bool enable_this_one = !selected; |
5d280742 | 960 | |
5d280742 YW |
961 | if (!streq(u->load_state, "loaded")) |
962 | continue; | |
963 | ||
0957790b | 964 | r = unit_enable_or_disable(u, bus, error, enable_this_one); |
5d280742 | 965 | if (r < 0) |
0957790b ZJS |
966 | /* If enablement failed, don't start this unit. */ |
967 | enable_this_one = false; | |
5d280742 | 968 | |
0957790b ZJS |
969 | r = unit_start_or_stop(u, bus, error, enable_this_one); |
970 | if (r < 0) | |
971 | log_unit_warning_errno(u, r, "Failed to %s %sd NTP unit, ignoring: %m", | |
972 | enable_this_one ? "start" : "stop", | |
973 | enable_disable(enable_this_one)); | |
974 | if (enable_this_one) | |
975 | selected = u; | |
5d280742 | 976 | } |
3af0a96c | 977 | else |
5d280742 | 978 | LIST_FOREACH(units, u, c->units) { |
0957790b | 979 | if (!streq(u->load_state, "loaded")) |
5d280742 YW |
980 | continue; |
981 | ||
0957790b ZJS |
982 | q = unit_enable_or_disable(u, bus, error, false); |
983 | if (q < 0) | |
984 | r = q; | |
985 | ||
986 | q = unit_start_or_stop(u, bus, error, false); | |
987 | if (q < 0) | |
988 | r = q; | |
5d280742 | 989 | } |
40ca29a1 | 990 | |
40ca29a1 | 991 | if (r < 0) |
ebcf1f97 | 992 | return r; |
ad7fb943 ZJS |
993 | if (enable && !selected) |
994 | return log_error_errno(SYNTHETIC_ERRNO(ENOENT), "No NTP service found to enable."); | |
f401e48c | 995 | |
cf3872bd YW |
996 | if (slot) |
997 | c->slot_job_removed = TAKE_PTR(slot); | |
998 | ||
ad7fb943 ZJS |
999 | if (selected) |
1000 | log_info("Set NTP to enabled (%s).", selected->name); | |
1001 | else | |
1002 | log_info("Set NTP to disabled."); | |
f401e48c | 1003 | |
df2d202e | 1004 | return sd_bus_reply_method_return(m, NULL); |
f401e48c LP |
1005 | } |
1006 | ||
2cf0b2fe NT |
1007 | static int method_list_timezones(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1008 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1009 | _cleanup_strv_free_ char **zones = NULL; | |
1010 | int r; | |
1011 | ||
1012 | assert(m); | |
1013 | ||
1014 | r = get_timezones(&zones); | |
1015 | if (r < 0) | |
1016 | return sd_bus_error_set_errnof(error, r, "Failed to read list of time zones: %m"); | |
1017 | ||
1018 | r = sd_bus_message_new_method_return(m, &reply); | |
1019 | if (r < 0) | |
1020 | return r; | |
1021 | ||
1022 | r = sd_bus_message_append_strv(reply, zones); | |
1023 | if (r < 0) | |
1024 | return r; | |
1025 | ||
1026 | return sd_bus_send(NULL, reply, NULL); | |
1027 | } | |
1028 | ||
40ca29a1 LP |
1029 | static const sd_bus_vtable timedate_vtable[] = { |
1030 | SD_BUS_VTABLE_START(0), | |
599c99ee | 1031 | |
40ca29a1 | 1032 | SD_BUS_PROPERTY("Timezone", "s", NULL, offsetof(Context, zone), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
82d115d9 | 1033 | SD_BUS_PROPERTY("LocalRTC", "b", bus_property_get_bool, offsetof(Context, local_rtc), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
5d280742 YW |
1034 | SD_BUS_PROPERTY("CanNTP", "b", property_get_can_ntp, 0, 0), |
1035 | SD_BUS_PROPERTY("NTP", "b", property_get_ntp, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
03cc26dd LP |
1036 | SD_BUS_PROPERTY("NTPSynchronized", "b", property_get_ntp_sync, 0, 0), |
1037 | SD_BUS_PROPERTY("TimeUSec", "t", property_get_time, 0, 0), | |
6fc60278 | 1038 | SD_BUS_PROPERTY("RTCTimeUSec", "t", property_get_rtc_time, 0, 0), |
599c99ee | 1039 | |
008714f8 SS |
1040 | SD_BUS_METHOD_WITH_ARGS("SetTime", |
1041 | SD_BUS_ARGS("x", usec_utc, "b", relative, "b", interactive), | |
1042 | SD_BUS_NO_RESULT, | |
1043 | method_set_time, | |
1044 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1045 | SD_BUS_METHOD_WITH_ARGS("SetTimezone", | |
1046 | SD_BUS_ARGS("s", timezone, "b", interactive), | |
1047 | SD_BUS_NO_RESULT, | |
1048 | method_set_timezone, | |
1049 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1050 | SD_BUS_METHOD_WITH_ARGS("SetLocalRTC", | |
1051 | SD_BUS_ARGS("b", local_rtc, "b", fix_system, "b", interactive), | |
1052 | SD_BUS_NO_RESULT, | |
1053 | method_set_local_rtc, | |
1054 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1055 | SD_BUS_METHOD_WITH_ARGS("SetNTP", | |
1056 | SD_BUS_ARGS("b", use_ntp, "b", interactive), | |
1057 | SD_BUS_NO_RESULT, | |
1058 | method_set_ntp, | |
1059 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1060 | SD_BUS_METHOD_WITH_ARGS("ListTimezones", | |
1061 | SD_BUS_NO_ARGS, | |
1062 | SD_BUS_RESULT("as", timezones), | |
1063 | method_list_timezones, | |
1064 | SD_BUS_VTABLE_UNPRIVILEGED), | |
599c99ee | 1065 | |
40ca29a1 LP |
1066 | SD_BUS_VTABLE_END, |
1067 | }; | |
1068 | ||
c4b7d95c ZJS |
1069 | const BusObjectImplementation manager_object = { |
1070 | "/org/freedesktop/timedate1", | |
1071 | "org.freedesktop.timedate1", | |
1072 | .vtables = BUS_VTABLES(timedate_vtable), | |
1073 | }; | |
1074 | ||
40ca29a1 | 1075 | static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { |
4afd3348 | 1076 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
f401e48c LP |
1077 | int r; |
1078 | ||
40ca29a1 LP |
1079 | assert(c); |
1080 | assert(event); | |
f401e48c LP |
1081 | assert(_bus); |
1082 | ||
76b54375 | 1083 | r = sd_bus_default_system(&bus); |
f647962d MS |
1084 | if (r < 0) |
1085 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
f401e48c | 1086 | |
c4b7d95c | 1087 | r = bus_add_implementation(bus, &manager_object, c); |
f647962d | 1088 | if (r < 0) |
c4b7d95c | 1089 | return r; |
f401e48c | 1090 | |
ac9f55ed LP |
1091 | r = bus_log_control_api_register(bus); |
1092 | if (r < 0) | |
1093 | return r; | |
1094 | ||
0c0b9306 | 1095 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.timedate1", 0, NULL, NULL); |
f647962d | 1096 | if (r < 0) |
0c0b9306 | 1097 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 1098 | |
40ca29a1 | 1099 | r = sd_bus_attach_event(bus, event, 0); |
f647962d MS |
1100 | if (r < 0) |
1101 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
f401e48c | 1102 | |
1cc6c93a | 1103 | *_bus = TAKE_PTR(bus); |
f401e48c | 1104 | |
40ca29a1 | 1105 | return 0; |
f401e48c LP |
1106 | } |
1107 | ||
1f47bc33 YW |
1108 | static int run(int argc, char *argv[]) { |
1109 | _cleanup_(context_clear) Context context = {}; | |
4afd3348 LP |
1110 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
1111 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
f401e48c | 1112 | int r; |
f401e48c | 1113 | |
d2acb93d | 1114 | log_setup(); |
f401e48c | 1115 | |
fc021a5b ZJS |
1116 | r = service_parse_argv("systemd-timedated.service", |
1117 | "Manage the system clock and timezone and NTP enablement.", | |
c4b7d95c ZJS |
1118 | BUS_IMPLEMENTATIONS(&manager_object, |
1119 | &log_control_object), | |
fc021a5b ZJS |
1120 | argc, argv); |
1121 | if (r <= 0) | |
1122 | return r; | |
4c12626c | 1123 | |
fc021a5b | 1124 | umask(0022); |
f401e48c | 1125 | |
754f0269 YW |
1126 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
1127 | ||
afc6adb5 | 1128 | r = sd_event_default(&event); |
1f47bc33 YW |
1129 | if (r < 0) |
1130 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
f401e48c | 1131 | |
754f0269 YW |
1132 | (void) sd_event_set_watchdog(event, true); |
1133 | ||
1134 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
1f47bc33 YW |
1135 | if (r < 0) |
1136 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
754f0269 YW |
1137 | |
1138 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
1f47bc33 YW |
1139 | if (r < 0) |
1140 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 1141 | |
40ca29a1 | 1142 | r = connect_bus(&context, event, &bus); |
f401e48c | 1143 | if (r < 0) |
1f47bc33 | 1144 | return r; |
f401e48c | 1145 | |
dc751688 | 1146 | (void) sd_bus_negotiate_timestamp(bus, true); |
2479df30 | 1147 | |
40ca29a1 | 1148 | r = context_read_data(&context); |
1f47bc33 YW |
1149 | if (r < 0) |
1150 | return log_error_errno(r, "Failed to read time zone data: %m"); | |
c5f0532f | 1151 | |
5d280742 YW |
1152 | r = context_parse_ntp_services(&context); |
1153 | if (r < 0) | |
1f47bc33 | 1154 | return r; |
ad740100 | 1155 | |
37224a5f | 1156 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.timedate1", DEFAULT_EXIT_USEC, NULL, NULL); |
1f47bc33 YW |
1157 | if (r < 0) |
1158 | return log_error_errno(r, "Failed to run event loop: %m"); | |
f401e48c | 1159 | |
1f47bc33 | 1160 | return 0; |
f401e48c | 1161 | } |
1f47bc33 YW |
1162 | |
1163 | DEFINE_MAIN_FUNCTION(run); |