Line data Source code
1 : /* SPDX-License-Identifier: LGPL-2.1+ */
2 :
3 : #include <getopt.h>
4 : #include <locale.h>
5 : #include <math.h>
6 : #include <stdbool.h>
7 : #include <stdlib.h>
8 :
9 : #include "sd-bus.h"
10 :
11 : #include "bus-error.h"
12 : #include "bus-util.h"
13 : #include "in-addr-util.h"
14 : #include "main-func.h"
15 : #include "pager.h"
16 : #include "parse-util.h"
17 : #include "pretty-print.h"
18 : #include "spawn-polkit-agent.h"
19 : #include "sparse-endian.h"
20 : #include "string-table.h"
21 : #include "strv.h"
22 : #include "terminal-util.h"
23 : #include "util.h"
24 : #include "verbs.h"
25 :
26 : static PagerFlags arg_pager_flags = 0;
27 : static bool arg_ask_password = true;
28 : static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
29 : static char *arg_host = NULL;
30 : static bool arg_adjust_system_clock = false;
31 : static bool arg_monitor = false;
32 : static char **arg_property = NULL;
33 : static bool arg_value = false;
34 : static bool arg_all = false;
35 :
36 : typedef struct StatusInfo {
37 : usec_t time;
38 : const char *timezone;
39 :
40 : usec_t rtc_time;
41 : bool rtc_local;
42 :
43 : bool ntp_capable;
44 : bool ntp_active;
45 : bool ntp_synced;
46 : } StatusInfo;
47 :
48 0 : static void print_status_info(const StatusInfo *i) {
49 0 : const char *old_tz = NULL, *tz;
50 0 : bool have_time = false;
51 : char a[LINE_MAX];
52 : struct tm tm;
53 : time_t sec;
54 : size_t n;
55 : int r;
56 :
57 0 : assert(i);
58 :
59 : /* Save the old $TZ */
60 0 : tz = getenv("TZ");
61 0 : if (tz)
62 0 : old_tz = strdupa(tz);
63 :
64 : /* Set the new $TZ */
65 0 : if (setenv("TZ", isempty(i->timezone) ? "UTC" : i->timezone, true) < 0)
66 0 : log_warning_errno(errno, "Failed to set TZ environment variable, ignoring: %m");
67 : else
68 0 : tzset();
69 :
70 0 : if (i->time != 0) {
71 0 : sec = (time_t) (i->time / USEC_PER_SEC);
72 0 : have_time = true;
73 0 : } else if (IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_MACHINE)) {
74 0 : sec = time(NULL);
75 0 : have_time = true;
76 : } else
77 0 : log_warning("Could not get time from timedated and not operating locally, ignoring.");
78 :
79 0 : if (have_time) {
80 0 : n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm));
81 0 : printf(" Local time: %s\n", n > 0 ? a : "n/a");
82 :
83 0 : n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm));
84 0 : printf(" Universal time: %s\n", n > 0 ? a : "n/a");
85 : } else {
86 0 : printf(" Local time: %s\n", "n/a");
87 0 : printf(" Universal time: %s\n", "n/a");
88 : }
89 :
90 0 : if (i->rtc_time > 0) {
91 : time_t rtc_sec;
92 :
93 0 : rtc_sec = (time_t) (i->rtc_time / USEC_PER_SEC);
94 0 : n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S", gmtime_r(&rtc_sec, &tm));
95 0 : printf(" RTC time: %s\n", n > 0 ? a : "n/a");
96 : } else
97 0 : printf(" RTC time: %s\n", "n/a");
98 :
99 0 : if (have_time)
100 0 : n = strftime(a, sizeof a, "%Z, %z", localtime_r(&sec, &tm));
101 :
102 : /* Restore the $TZ */
103 0 : if (old_tz)
104 0 : r = setenv("TZ", old_tz, true);
105 : else
106 0 : r = unsetenv("TZ");
107 0 : if (r < 0)
108 0 : log_warning_errno(errno, "Failed to set TZ environment variable, ignoring: %m");
109 : else
110 0 : tzset();
111 :
112 0 : printf(" Time zone: %s (%s)\n"
113 : "System clock synchronized: %s\n"
114 : " NTP service: %s\n"
115 : " RTC in local TZ: %s\n",
116 0 : strna(i->timezone), have_time && n > 0 ? a : "n/a",
117 0 : yes_no(i->ntp_synced),
118 0 : i->ntp_capable ? (i->ntp_active ? "active" : "inactive") : "n/a",
119 0 : yes_no(i->rtc_local));
120 :
121 0 : if (i->rtc_local)
122 0 : printf("\n%s"
123 : "Warning: The system is configured to read the RTC time in the local time zone.\n"
124 : " This mode cannot be fully supported. It will create various problems\n"
125 : " with time zone changes and daylight saving time adjustments. The RTC\n"
126 : " time is never updated, it relies on external facilities to maintain it.\n"
127 : " If at all possible, use RTC in UTC by calling\n"
128 : " 'timedatectl set-local-rtc 0'.%s\n", ansi_highlight(), ansi_normal());
129 0 : }
130 :
131 0 : static int show_status(int argc, char **argv, void *userdata) {
132 0 : StatusInfo info = {};
133 : static const struct bus_properties_map map[] = {
134 : { "Timezone", "s", NULL, offsetof(StatusInfo, timezone) },
135 : { "LocalRTC", "b", NULL, offsetof(StatusInfo, rtc_local) },
136 : { "NTP", "b", NULL, offsetof(StatusInfo, ntp_active) },
137 : { "CanNTP", "b", NULL, offsetof(StatusInfo, ntp_capable) },
138 : { "NTPSynchronized", "b", NULL, offsetof(StatusInfo, ntp_synced) },
139 : { "TimeUSec", "t", NULL, offsetof(StatusInfo, time) },
140 : { "RTCTimeUSec", "t", NULL, offsetof(StatusInfo, rtc_time) },
141 : {}
142 : };
143 :
144 0 : _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
145 0 : _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
146 0 : sd_bus *bus = userdata;
147 : int r;
148 :
149 0 : assert(bus);
150 :
151 0 : r = bus_map_all_properties(bus,
152 : "org.freedesktop.timedate1",
153 : "/org/freedesktop/timedate1",
154 : map,
155 : BUS_MAP_BOOLEAN_AS_BOOL,
156 : &error,
157 : &m,
158 : &info);
159 0 : if (r < 0)
160 0 : return log_error_errno(r, "Failed to query server: %s", bus_error_message(&error, r));
161 :
162 0 : print_status_info(&info);
163 :
164 0 : return r;
165 : }
166 :
167 0 : static int show_properties(int argc, char **argv, void *userdata) {
168 0 : sd_bus *bus = userdata;
169 : int r;
170 :
171 0 : assert(bus);
172 :
173 0 : r = bus_print_all_properties(bus,
174 : "org.freedesktop.timedate1",
175 : "/org/freedesktop/timedate1",
176 : NULL,
177 : arg_property,
178 : arg_value,
179 : arg_all,
180 : NULL);
181 0 : if (r < 0)
182 0 : return bus_log_parse_error(r);
183 :
184 0 : return 0;
185 : }
186 :
187 0 : static int set_time(int argc, char **argv, void *userdata) {
188 0 : _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
189 0 : bool relative = false, interactive = arg_ask_password;
190 0 : sd_bus *bus = userdata;
191 : usec_t t;
192 : int r;
193 :
194 0 : polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
195 :
196 0 : r = parse_timestamp(argv[1], &t);
197 0 : if (r < 0)
198 0 : return log_error_errno(r, "Failed to parse time specification '%s': %m", argv[1]);
199 :
200 0 : r = sd_bus_call_method(bus,
201 : "org.freedesktop.timedate1",
202 : "/org/freedesktop/timedate1",
203 : "org.freedesktop.timedate1",
204 : "SetTime",
205 : &error,
206 : NULL,
207 : "xbb", (int64_t) t, relative, interactive);
208 0 : if (r < 0)
209 0 : return log_error_errno(r, "Failed to set time: %s", bus_error_message(&error, r));
210 :
211 0 : return 0;
212 : }
213 :
214 0 : static int set_timezone(int argc, char **argv, void *userdata) {
215 0 : _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
216 0 : sd_bus *bus = userdata;
217 : int r;
218 :
219 0 : polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
220 :
221 0 : r = sd_bus_call_method(bus,
222 : "org.freedesktop.timedate1",
223 : "/org/freedesktop/timedate1",
224 : "org.freedesktop.timedate1",
225 : "SetTimezone",
226 : &error,
227 : NULL,
228 0 : "sb", argv[1], arg_ask_password);
229 0 : if (r < 0)
230 0 : return log_error_errno(r, "Failed to set time zone: %s", bus_error_message(&error, r));
231 :
232 0 : return 0;
233 : }
234 :
235 0 : static int set_local_rtc(int argc, char **argv, void *userdata) {
236 0 : _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
237 0 : sd_bus *bus = userdata;
238 : int r, b;
239 :
240 0 : polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
241 :
242 0 : b = parse_boolean(argv[1]);
243 0 : if (b < 0)
244 0 : return log_error_errno(b, "Failed to parse local RTC setting '%s': %m", argv[1]);
245 :
246 0 : r = sd_bus_call_method(bus,
247 : "org.freedesktop.timedate1",
248 : "/org/freedesktop/timedate1",
249 : "org.freedesktop.timedate1",
250 : "SetLocalRTC",
251 : &error,
252 : NULL,
253 : "bbb", b, arg_adjust_system_clock, arg_ask_password);
254 0 : if (r < 0)
255 0 : return log_error_errno(r, "Failed to set local RTC: %s", bus_error_message(&error, r));
256 :
257 0 : return 0;
258 : }
259 :
260 0 : static int set_ntp(int argc, char **argv, void *userdata) {
261 0 : _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
262 0 : sd_bus *bus = userdata;
263 : int b, r;
264 :
265 0 : polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
266 :
267 0 : b = parse_boolean(argv[1]);
268 0 : if (b < 0)
269 0 : return log_error_errno(b, "Failed to parse NTP setting '%s': %m", argv[1]);
270 :
271 0 : r = sd_bus_call_method(bus,
272 : "org.freedesktop.timedate1",
273 : "/org/freedesktop/timedate1",
274 : "org.freedesktop.timedate1",
275 : "SetNTP",
276 : &error,
277 : NULL,
278 : "bb", b, arg_ask_password);
279 0 : if (r < 0)
280 0 : return log_error_errno(r, "Failed to set ntp: %s", bus_error_message(&error, r));
281 :
282 0 : return 0;
283 : }
284 :
285 0 : static int list_timezones(int argc, char **argv, void *userdata) {
286 0 : _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
287 0 : sd_bus *bus = userdata;
288 0 : _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
289 : int r;
290 : char** zones;
291 :
292 0 : r = sd_bus_call_method(bus,
293 : "org.freedesktop.timedate1",
294 : "/org/freedesktop/timedate1",
295 : "org.freedesktop.timedate1",
296 : "ListTimezones",
297 : &error,
298 : &reply,
299 : NULL);
300 0 : if (r < 0)
301 0 : return log_error_errno(r, "Failed to request list of time zones: %s",
302 : bus_error_message(&error, r));
303 :
304 0 : r = sd_bus_message_read_strv(reply, &zones);
305 0 : if (r < 0)
306 0 : return bus_log_parse_error(r);
307 :
308 0 : (void) pager_open(arg_pager_flags);
309 0 : strv_print(zones);
310 :
311 0 : return 0;
312 : }
313 :
314 : typedef struct NTPStatusInfo {
315 : const char *server_name;
316 : char *server_address;
317 : usec_t poll_interval, poll_max, poll_min;
318 : usec_t root_distance_max;
319 :
320 : uint32_t leap, version, mode, stratum;
321 : int32_t precision;
322 : usec_t root_delay, root_dispersion;
323 : union {
324 : char str[5];
325 : uint32_t val;
326 : } reference;
327 : usec_t origin, recv, trans, dest;
328 :
329 : bool spike;
330 : uint64_t packet_count;
331 : usec_t jitter;
332 :
333 : int64_t freq;
334 : } NTPStatusInfo;
335 :
336 0 : static void ntp_status_info_clear(NTPStatusInfo *p) {
337 0 : p->server_address = mfree(p->server_address);
338 0 : }
339 :
340 : static const char * const ntp_leap_table[4] = {
341 : [0] = "normal",
342 : [1] = "last minute of the day has 61 seconds",
343 : [2] = "last minute of the day has 59 seconds",
344 : [3] = "not synchronized",
345 : };
346 :
347 : #pragma GCC diagnostic push
348 : #pragma GCC diagnostic ignored "-Wtype-limits"
349 0 : DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(ntp_leap, uint32_t);
350 : #pragma GCC diagnostic pop
351 :
352 0 : static void print_ntp_status_info(NTPStatusInfo *i) {
353 : char ts[FORMAT_TIMESPAN_MAX], tmin[FORMAT_TIMESPAN_MAX], tmax[FORMAT_TIMESPAN_MAX];
354 : usec_t delay, t14, t23, offset, root_distance;
355 : bool offset_sign;
356 :
357 0 : assert(i);
358 :
359 : /*
360 : * "Timestamp Name ID When Generated
361 : * ------------------------------------------------------------
362 : * Originate Timestamp T1 time request sent by client
363 : * Receive Timestamp T2 time request received by server
364 : * Transmit Timestamp T3 time reply sent by server
365 : * Destination Timestamp T4 time reply received by client
366 : *
367 : * The round-trip delay, d, and system clock offset, t, are defined as:
368 : * d = (T4 - T1) - (T3 - T2) t = ((T2 - T1) + (T3 - T4)) / 2"
369 : */
370 :
371 0 : printf(" Server: %s (%s)\n",
372 : i->server_address, i->server_name);
373 0 : printf("Poll interval: %s (min: %s; max %s)\n",
374 : format_timespan(ts, sizeof(ts), i->poll_interval, 0),
375 : format_timespan(tmin, sizeof(tmin), i->poll_min, 0),
376 : format_timespan(tmax, sizeof(tmax), i->poll_max, 0));
377 :
378 0 : if (i->packet_count == 0) {
379 0 : printf(" Packet count: 0\n");
380 0 : return;
381 : }
382 :
383 0 : if (i->dest < i->origin || i->trans < i->recv || i->dest - i->origin < i->trans - i->recv) {
384 0 : log_error("Invalid NTP response");
385 0 : return;
386 : }
387 :
388 0 : delay = (i->dest - i->origin) - (i->trans - i->recv);
389 :
390 0 : t14 = i->origin + i->dest;
391 0 : t23 = i->recv + i->trans;
392 0 : offset_sign = t14 < t23;
393 0 : offset = (offset_sign ? t23 - t14 : t14 - t23) / 2;
394 :
395 0 : root_distance = i->root_delay / 2 + i->root_dispersion;
396 :
397 0 : printf(" Leap: %s\n"
398 : " Version: %" PRIu32 "\n"
399 : " Stratum: %" PRIu32 "\n",
400 : ntp_leap_to_string(i->leap),
401 : i->version,
402 : i->stratum);
403 0 : if (i->stratum <= 1)
404 0 : printf(" Reference: %s\n", i->reference.str);
405 : else
406 0 : printf(" Reference: %" PRIX32 "\n", be32toh(i->reference.val));
407 0 : printf(" Precision: %s (%" PRIi32 ")\n",
408 0 : format_timespan(ts, sizeof(ts), DIV_ROUND_UP((nsec_t) (exp2(i->precision) * NSEC_PER_SEC), NSEC_PER_USEC), 0),
409 : i->precision);
410 0 : printf("Root distance: %s (max: %s)\n",
411 : format_timespan(ts, sizeof(ts), root_distance, 0),
412 : format_timespan(tmax, sizeof(tmax), i->root_distance_max, 0));
413 0 : printf(" Offset: %s%s\n",
414 : offset_sign ? "+" : "-",
415 : format_timespan(ts, sizeof(ts), offset, 0));
416 0 : printf(" Delay: %s\n",
417 : format_timespan(ts, sizeof(ts), delay, 0));
418 0 : printf(" Jitter: %s\n",
419 : format_timespan(ts, sizeof(ts), i->jitter, 0));
420 0 : printf(" Packet count: %" PRIu64 "\n", i->packet_count);
421 :
422 0 : if (!i->spike)
423 0 : printf(" Frequency: %+.3fppm\n",
424 0 : (double) i->freq / 0x10000);
425 : }
426 :
427 0 : static int map_server_address(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
428 0 : char **p = (char **) userdata;
429 : const void *d;
430 : int family, r;
431 : size_t sz;
432 :
433 0 : assert(p);
434 :
435 0 : r = sd_bus_message_enter_container(m, 'r', "iay");
436 0 : if (r < 0)
437 0 : return r;
438 :
439 0 : r = sd_bus_message_read(m, "i", &family);
440 0 : if (r < 0)
441 0 : return r;
442 :
443 0 : r = sd_bus_message_read_array(m, 'y', &d, &sz);
444 0 : if (r < 0)
445 0 : return r;
446 :
447 0 : r = sd_bus_message_exit_container(m);
448 0 : if (r < 0)
449 0 : return r;
450 :
451 0 : if (sz == 0 && family == AF_UNSPEC) {
452 0 : *p = mfree(*p);
453 0 : return 0;
454 : }
455 :
456 0 : if (!IN_SET(family, AF_INET, AF_INET6))
457 0 : return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
458 : "Unknown address family %i", family);
459 :
460 0 : if (sz != FAMILY_ADDRESS_SIZE(family))
461 0 : return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
462 : "Invalid address size");
463 :
464 0 : r = in_addr_to_string(family, d, p);
465 0 : if (r < 0)
466 0 : return r;
467 :
468 0 : return 0;
469 : }
470 :
471 0 : static int map_ntp_message(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
472 0 : NTPStatusInfo *p = userdata;
473 : const void *d;
474 : size_t sz;
475 : int32_t b;
476 : int r;
477 :
478 0 : assert(p);
479 :
480 0 : r = sd_bus_message_enter_container(m, 'r', "uuuuittayttttbtt");
481 0 : if (r < 0)
482 0 : return r;
483 :
484 0 : r = sd_bus_message_read(m, "uuuuitt",
485 : &p->leap, &p->version, &p->mode, &p->stratum, &p->precision,
486 : &p->root_delay, &p->root_dispersion);
487 0 : if (r < 0)
488 0 : return r;
489 :
490 0 : r = sd_bus_message_read_array(m, 'y', &d, &sz);
491 0 : if (r < 0)
492 0 : return r;
493 :
494 0 : r = sd_bus_message_read(m, "ttttbtt",
495 : &p->origin, &p->recv, &p->trans, &p->dest,
496 : &b, &p->packet_count, &p->jitter);
497 0 : if (r < 0)
498 0 : return r;
499 :
500 0 : r = sd_bus_message_exit_container(m);
501 0 : if (r < 0)
502 0 : return r;
503 :
504 0 : if (sz != 4)
505 0 : return -EINVAL;
506 :
507 0 : memcpy(p->reference.str, d, sz);
508 :
509 0 : p->spike = b;
510 :
511 0 : return 0;
512 : }
513 :
514 0 : static int show_timesync_status_once(sd_bus *bus) {
515 : static const struct bus_properties_map map_timesync[] = {
516 : { "ServerName", "s", NULL, offsetof(NTPStatusInfo, server_name) },
517 : { "ServerAddress", "(iay)", map_server_address, offsetof(NTPStatusInfo, server_address) },
518 : { "PollIntervalUSec", "t", NULL, offsetof(NTPStatusInfo, poll_interval) },
519 : { "PollIntervalMinUSec", "t", NULL, offsetof(NTPStatusInfo, poll_min) },
520 : { "PollIntervalMaxUSec", "t", NULL, offsetof(NTPStatusInfo, poll_max) },
521 : { "RootDistanceMaxUSec", "t", NULL, offsetof(NTPStatusInfo, root_distance_max) },
522 : { "NTPMessage", "(uuuuittayttttbtt)", map_ntp_message, 0 },
523 : { "Frequency", "x", NULL, offsetof(NTPStatusInfo, freq) },
524 : {}
525 : };
526 0 : _cleanup_(ntp_status_info_clear) NTPStatusInfo info = {};
527 0 : _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
528 0 : _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
529 : int r;
530 :
531 0 : assert(bus);
532 :
533 0 : r = bus_map_all_properties(bus,
534 : "org.freedesktop.timesync1",
535 : "/org/freedesktop/timesync1",
536 : map_timesync,
537 : BUS_MAP_BOOLEAN_AS_BOOL,
538 : &error,
539 : &m,
540 : &info);
541 0 : if (r < 0)
542 0 : return log_error_errno(r, "Failed to query server: %s", bus_error_message(&error, r));
543 :
544 0 : if (arg_monitor && !terminal_is_dumb())
545 0 : fputs(ANSI_HOME_CLEAR, stdout);
546 :
547 0 : print_ntp_status_info(&info);
548 :
549 0 : return 0;
550 : }
551 :
552 0 : static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
553 : const char *name;
554 : int r;
555 :
556 0 : assert(m);
557 :
558 0 : r = sd_bus_message_read(m, "s", &name);
559 0 : if (r < 0)
560 0 : return log_error_errno(r, "Failed to read interface name: %m");
561 :
562 0 : if (!streq_ptr(name, "org.freedesktop.timesync1.Manager"))
563 0 : return 0;
564 :
565 0 : return show_timesync_status_once(sd_bus_message_get_bus(m));
566 : }
567 :
568 0 : static int show_timesync_status(int argc, char **argv, void *userdata) {
569 0 : _cleanup_(sd_event_unrefp) sd_event *event = NULL;
570 0 : sd_bus *bus = userdata;
571 : int r;
572 :
573 0 : assert(bus);
574 :
575 0 : r = show_timesync_status_once(bus);
576 0 : if (r < 0)
577 0 : return r;
578 :
579 0 : if (!arg_monitor)
580 0 : return 0;
581 :
582 0 : r = sd_event_default(&event);
583 0 : if (r < 0)
584 0 : return log_error_errno(r, "Failed to get event loop: %m");
585 :
586 0 : r = sd_bus_match_signal(bus,
587 : NULL,
588 : "org.freedesktop.timesync1",
589 : "/org/freedesktop/timesync1",
590 : "org.freedesktop.DBus.Properties",
591 : "PropertiesChanged",
592 : on_properties_changed, NULL);
593 0 : if (r < 0)
594 0 : return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
595 :
596 0 : r = sd_bus_attach_event(bus, event, SD_EVENT_PRIORITY_NORMAL);
597 0 : if (r < 0)
598 0 : return log_error_errno(r, "Failed to attach bus to event loop: %m");
599 :
600 0 : r = sd_event_loop(event);
601 0 : if (r < 0)
602 0 : return log_error_errno(r, "Failed to run event loop: %m");
603 :
604 0 : return 0;
605 : }
606 :
607 0 : static int print_timesync_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
608 : char type;
609 : const char *contents;
610 : int r;
611 :
612 0 : assert(name);
613 0 : assert(m);
614 :
615 0 : r = sd_bus_message_peek_type(m, &type, &contents);
616 0 : if (r < 0)
617 0 : return r;
618 :
619 0 : switch (type) {
620 :
621 0 : case SD_BUS_TYPE_STRUCT:
622 0 : if (streq(name, "NTPMessage")) {
623 0 : _cleanup_(ntp_status_info_clear) NTPStatusInfo i = {};
624 : char ts[FORMAT_TIMESPAN_MAX], stamp[FORMAT_TIMESTAMP_MAX];
625 :
626 0 : r = map_ntp_message(NULL, NULL, m, NULL, &i);
627 0 : if (r < 0)
628 0 : return r;
629 :
630 0 : if (i.packet_count == 0)
631 0 : return 1;
632 :
633 0 : if (!value) {
634 0 : fputs(name, stdout);
635 0 : fputc('=', stdout);
636 : }
637 :
638 0 : printf("{ Leap=%u, Version=%u, Mode=%u, Stratum=%u, Precision=%i,",
639 : i.leap, i.version, i.mode, i.stratum, i.precision);
640 0 : printf(" RootDelay=%s,",
641 : format_timespan(ts, sizeof(ts), i.root_delay, 0));
642 0 : printf(" RootDispersion=%s,",
643 : format_timespan(ts, sizeof(ts), i.root_dispersion, 0));
644 :
645 0 : if (i.stratum == 1)
646 0 : printf(" Reference=%s,", i.reference.str);
647 : else
648 0 : printf(" Reference=%" PRIX32 ",", be32toh(i.reference.val));
649 :
650 0 : printf(" OriginateTimestamp=%s,",
651 : format_timestamp(stamp, sizeof(stamp), i.origin));
652 0 : printf(" ReceiveTimestamp=%s,",
653 : format_timestamp(stamp, sizeof(stamp), i.recv));
654 0 : printf(" TransmitTimestamp=%s,",
655 : format_timestamp(stamp, sizeof(stamp), i.trans));
656 0 : printf(" DestinationTimestamp=%s,",
657 : format_timestamp(stamp, sizeof(stamp), i.dest));
658 0 : printf(" Ignored=%s PacketCount=%" PRIu64 ",",
659 0 : yes_no(i.spike), i.packet_count);
660 0 : printf(" Jitter=%s }\n",
661 : format_timespan(ts, sizeof(ts), i.jitter, 0));
662 :
663 0 : return 1;
664 :
665 0 : } else if (streq(name, "ServerAddress")) {
666 0 : _cleanup_free_ char *str = NULL;
667 :
668 0 : r = map_server_address(NULL, NULL, m, NULL, &str);
669 0 : if (r < 0)
670 0 : return r;
671 :
672 0 : if (arg_all || !isempty(str))
673 0 : bus_print_property_value(name, expected_value, value, str);
674 :
675 0 : return 1;
676 : }
677 0 : break;
678 : }
679 :
680 0 : return 0;
681 : }
682 :
683 0 : static int show_timesync(int argc, char **argv, void *userdata) {
684 0 : sd_bus *bus = userdata;
685 : int r;
686 :
687 0 : assert(bus);
688 :
689 0 : r = bus_print_all_properties(bus,
690 : "org.freedesktop.timesync1",
691 : "/org/freedesktop/timesync1",
692 : print_timesync_property,
693 : arg_property,
694 : arg_value,
695 : arg_all,
696 : NULL);
697 0 : if (r < 0)
698 0 : return bus_log_parse_error(r);
699 :
700 0 : return 0;
701 : }
702 :
703 0 : static int parse_ifindex_bus(sd_bus *bus, const char *str, int *ret) {
704 0 : _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
705 0 : _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
706 : int32_t i;
707 : int r;
708 :
709 0 : assert(bus);
710 0 : assert(str);
711 0 : assert(ret);
712 :
713 0 : r = parse_ifindex(str, ret);
714 0 : if (r >= 0)
715 0 : return 0;
716 :
717 0 : r = sd_bus_call_method(
718 : bus,
719 : "org.freedesktop.network1",
720 : "/org/freedesktop/network1",
721 : "org.freedesktop.network1.Manager",
722 : "GetLinkByName",
723 : &error,
724 : &reply,
725 : "s", str);
726 0 : if (r < 0)
727 0 : return log_error_errno(r, "Failed to get ifindex of interfaces %s: %s", str, bus_error_message(&error, r));
728 :
729 0 : r = sd_bus_message_read(reply, "io", &i, NULL);
730 0 : if (r < 0)
731 0 : return bus_log_create_error(r);
732 :
733 0 : *ret = i;
734 0 : return 0;
735 : }
736 :
737 0 : static int verb_ntp_servers(int argc, char **argv, void *userdata) {
738 0 : _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
739 0 : _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
740 0 : sd_bus *bus = userdata;
741 : int ifindex, r;
742 :
743 0 : assert(bus);
744 :
745 0 : r = parse_ifindex_bus(bus, argv[1], &ifindex);
746 0 : if (r < 0)
747 0 : return r;
748 :
749 0 : polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
750 :
751 0 : r = sd_bus_message_new_method_call(
752 : bus,
753 : &req,
754 : "org.freedesktop.network1",
755 : "/org/freedesktop/network1",
756 : "org.freedesktop.network1.Manager",
757 : "SetLinkNTP");
758 0 : if (r < 0)
759 0 : return bus_log_create_error(r);
760 :
761 0 : r = sd_bus_message_append(req, "i", ifindex);
762 0 : if (r < 0)
763 0 : return bus_log_create_error(r);
764 :
765 0 : r = sd_bus_message_append_strv(req, argv + 2);
766 0 : if (r < 0)
767 0 : return bus_log_create_error(r);
768 :
769 0 : r = sd_bus_call(bus, req, 0, &error, NULL);
770 0 : if (r < 0)
771 0 : return log_error_errno(r, "Failed to set NTP servers: %s", bus_error_message(&error, r));
772 :
773 0 : return 0;
774 : }
775 :
776 0 : static int verb_revert(int argc, char **argv, void *userdata) {
777 0 : _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
778 0 : sd_bus *bus = userdata;
779 : int ifindex, r;
780 :
781 0 : assert(bus);
782 :
783 0 : r = parse_ifindex_bus(bus, argv[1], &ifindex);
784 0 : if (r < 0)
785 0 : return r;
786 :
787 0 : polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
788 :
789 0 : r = sd_bus_call_method(
790 : bus,
791 : "org.freedesktop.network1",
792 : "/org/freedesktop/network1",
793 : "org.freedesktop.network1.Manager",
794 : "RevertLinkNTP",
795 : &error,
796 : NULL,
797 : "i", ifindex);
798 0 : if (r < 0)
799 0 : return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
800 :
801 0 : return 0;
802 : }
803 :
804 3 : static int help(void) {
805 3 : _cleanup_free_ char *link = NULL;
806 : int r;
807 :
808 3 : r = terminal_urlify_man("timedatectl", "1", &link);
809 3 : if (r < 0)
810 0 : return log_oom();
811 :
812 3 : printf("%s [OPTIONS...] COMMAND ...\n\n"
813 : "Query or change system time and date settings.\n\n"
814 : " -h --help Show this help message\n"
815 : " --version Show package version\n"
816 : " --no-pager Do not pipe output into a pager\n"
817 : " --no-ask-password Do not prompt for password\n"
818 : " -H --host=[USER@]HOST Operate on remote host\n"
819 : " -M --machine=CONTAINER Operate on local container\n"
820 : " --adjust-system-clock Adjust system clock when changing local RTC mode\n"
821 : " --monitor Monitor status of systemd-timesyncd\n"
822 : " -p --property=NAME Show only properties by this name\n"
823 : " -a --all Show all properties, including empty ones\n"
824 : " --value When showing properties, only print the value\n"
825 : "\n"
826 : "Commands:\n"
827 : " status Show current time settings\n"
828 : " show Show properties of systemd-timedated\n"
829 : " set-time TIME Set system time\n"
830 : " set-timezone ZONE Set system time zone\n"
831 : " list-timezones Show known time zones\n"
832 : " set-local-rtc BOOL Control whether RTC is in local time\n"
833 : " set-ntp BOOL Enable or disable network time synchronization\n"
834 : "\n"
835 : "systemd-timesyncd Commands:\n"
836 : " timesync-status Show status of systemd-timesyncd\n"
837 : " show-timesync Show properties of systemd-timesyncd\n"
838 : "\nSee the %s for details.\n"
839 : , program_invocation_short_name
840 : , link
841 : );
842 :
843 3 : return 0;
844 : }
845 :
846 0 : static int verb_help(int argc, char **argv, void *userdata) {
847 0 : return help();
848 : }
849 :
850 4 : static int parse_argv(int argc, char *argv[]) {
851 :
852 : enum {
853 : ARG_VERSION = 0x100,
854 : ARG_NO_PAGER,
855 : ARG_ADJUST_SYSTEM_CLOCK,
856 : ARG_NO_ASK_PASSWORD,
857 : ARG_MONITOR,
858 : ARG_VALUE,
859 : };
860 :
861 : static const struct option options[] = {
862 : { "help", no_argument, NULL, 'h' },
863 : { "version", no_argument, NULL, ARG_VERSION },
864 : { "no-pager", no_argument, NULL, ARG_NO_PAGER },
865 : { "host", required_argument, NULL, 'H' },
866 : { "machine", required_argument, NULL, 'M' },
867 : { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
868 : { "adjust-system-clock", no_argument, NULL, ARG_ADJUST_SYSTEM_CLOCK },
869 : { "monitor", no_argument, NULL, ARG_MONITOR },
870 : { "property", required_argument, NULL, 'p' },
871 : { "all", no_argument, NULL, 'a' },
872 : { "value", no_argument, NULL, ARG_VALUE },
873 : {}
874 : };
875 :
876 : int c, r;
877 :
878 4 : assert(argc >= 0);
879 4 : assert(argv);
880 :
881 4 : while ((c = getopt_long(argc, argv, "hH:M:p:a", options, NULL)) >= 0)
882 :
883 4 : switch (c) {
884 :
885 3 : case 'h':
886 3 : return help();
887 :
888 0 : case ARG_VERSION:
889 0 : return version();
890 :
891 0 : case 'H':
892 0 : arg_transport = BUS_TRANSPORT_REMOTE;
893 0 : arg_host = optarg;
894 0 : break;
895 :
896 0 : case 'M':
897 0 : arg_transport = BUS_TRANSPORT_MACHINE;
898 0 : arg_host = optarg;
899 0 : break;
900 :
901 0 : case ARG_NO_ASK_PASSWORD:
902 0 : arg_ask_password = false;
903 0 : break;
904 :
905 0 : case ARG_ADJUST_SYSTEM_CLOCK:
906 0 : arg_adjust_system_clock = true;
907 0 : break;
908 :
909 0 : case ARG_NO_PAGER:
910 0 : arg_pager_flags |= PAGER_DISABLE;
911 0 : break;
912 :
913 0 : case ARG_MONITOR:
914 0 : arg_monitor = true;
915 0 : break;
916 :
917 0 : case 'p': {
918 0 : r = strv_extend(&arg_property, optarg);
919 0 : if (r < 0)
920 0 : return log_oom();
921 :
922 : /* If the user asked for a particular
923 : * property, show it to him, even if it is
924 : * empty. */
925 0 : arg_all = true;
926 0 : break;
927 : }
928 :
929 0 : case 'a':
930 0 : arg_all = true;
931 0 : break;
932 :
933 0 : case ARG_VALUE:
934 0 : arg_value = true;
935 0 : break;
936 :
937 1 : case '?':
938 1 : return -EINVAL;
939 :
940 0 : default:
941 0 : assert_not_reached("Unhandled option");
942 : }
943 :
944 0 : return 1;
945 : }
946 :
947 0 : static int timedatectl_main(sd_bus *bus, int argc, char *argv[]) {
948 : static const Verb verbs[] = {
949 : { "status", VERB_ANY, 1, VERB_DEFAULT, show_status },
950 : { "show", VERB_ANY, 1, 0, show_properties },
951 : { "set-time", 2, 2, 0, set_time },
952 : { "set-timezone", 2, 2, 0, set_timezone },
953 : { "list-timezones", VERB_ANY, 1, 0, list_timezones },
954 : { "set-local-rtc", 2, 2, 0, set_local_rtc },
955 : { "set-ntp", 2, 2, 0, set_ntp },
956 : { "timesync-status", VERB_ANY, 1, 0, show_timesync_status },
957 : { "show-timesync", VERB_ANY, 1, 0, show_timesync },
958 : { "ntp-servers", 3, VERB_ANY, 0, verb_ntp_servers },
959 : { "revert", 2, 2, 0, verb_revert },
960 : { "help", VERB_ANY, VERB_ANY, 0, verb_help }, /* Not documented, but supported since it is created. */
961 : {}
962 : };
963 :
964 0 : return dispatch_verb(argc, argv, verbs, bus);
965 : }
966 :
967 4 : static int run(int argc, char *argv[]) {
968 4 : _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
969 : int r;
970 :
971 4 : setlocale(LC_ALL, "");
972 4 : log_show_color(true);
973 4 : log_parse_environment();
974 4 : log_open();
975 :
976 4 : r = parse_argv(argc, argv);
977 4 : if (r <= 0)
978 4 : return r;
979 :
980 0 : r = bus_connect_transport(arg_transport, arg_host, false, &bus);
981 0 : if (r < 0)
982 0 : return log_error_errno(r, "Failed to create bus connection: %m");
983 :
984 0 : return timedatectl_main(bus, argc, argv);
985 : }
986 :
987 4 : DEFINE_MAIN_FUNCTION(run);
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