]> git.ipfire.org Git - thirdparty/systemd.git/blame - src/timedate/timedatectl.c
projects / thirdparty / systemd.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
tree-wide: use ASSERT_PTR more
[thirdparty/systemd.git] / src / timedate / timedatectl.c
CommitLineData
db9ecf05 1/* SPDX-License-Identifier: LGPL-2.1-or-later */
6d0274f1 2
6d0274f1 3#include <getopt.h>
a9cdc94f 4#include <locale.h>
6129ec85 5#include <math.h>
3f6fd1ba
LP		 6#include <stdbool.h>
7#include <stdlib.h>
6d0274f1 8
a281d9c7 9#include "sd-bus.h"
3f6fd1ba 10
a281d9c7 11#include "bus-error.h"
9b71e4ab 12#include "bus-locator.h"
807542be 13#include "bus-map-properties.h"
9176326b 14#include "bus-print-properties.h"
063f9f0d 15#include "env-util.h"
cf57766d 16#include "format-table.h"
6129ec85 17#include "in-addr-util.h"
50378e5d 18#include "main-func.h"
3f6fd1ba 19#include "pager.h"
6bedfcbb 20#include "parse-util.h"
294bf0c3 21#include "pretty-print.h"
6129ec85 22#include "sparse-endian.h"
9b71e4ab 23#include "spawn-polkit-agent.h"
6129ec85 24#include "string-table.h"
6d0274f1 25#include "strv.h"
288a74cc 26#include "terminal-util.h"
3f6fd1ba 27#include "util.h"
be90a886 28#include "verbs.h"
6d0274f1 29
0221d68a 30static PagerFlags arg_pager_flags = 0;
6d0274f1 31static bool arg_ask_password = true;
e1636421 32static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
7085053a 33static char *arg_host = NULL;
e1636421 34static bool arg_adjust_system_clock = false;
6129ec85
YW		 35static bool arg_monitor = false;
36static char **arg_property = NULL;
255b1fc8 37static BusPrintPropertyFlags arg_print_flags = 0;
6d0274f1 38
6d0274f1 39typedef struct StatusInfo {
2f6a5907 40 usec_t time;
f37f8a61 41 const char *timezone;
2f6a5907
KS		 42
43 usec_t rtc_time;
f37f8a61 44 bool rtc_local;
2f6a5907 45
f37f8a61 46 bool ntp_capable;
f567f086 47 bool ntp_active;
f37f8a61 48 bool ntp_synced;
6d0274f1
LP		 49} StatusInfo;
50
cf57766d
YW		 51static int print_status_info(const StatusInfo *i) {
52 _cleanup_(table_unrefp) Table *table = NULL;
437f48a4 53 const char *old_tz = NULL, *tz, *tz_colon;
f567f086 54 bool have_time = false;
14ce0c25 55 char a[LINE_MAX];
cf57766d 56 TableCell *cell;
6d0274f1
LP		 57 struct tm tm;
58 time_t sec;
14ce0c25 59 size_t n;
f567f086 60 int r;
6d0274f1 61
59965986
LP		 62 assert(i);
63
cf57766d
YW		 64 table = table_new("key", "value");
65 if (!table)
66 return log_oom();
67
68 table_set_header(table, false);
69
70 assert_se(cell = table_get_cell(table, 0, 0));
71 (void) table_set_ellipsize_percent(table, cell, 100);
72 (void) table_set_align_percent(table, cell, 100);
73
74 assert_se(cell = table_get_cell(table, 0, 1));
75 (void) table_set_ellipsize_percent(table, cell, 100);
76
d95a74ed
LP		 77 /* Save the old $TZ */
78 tz = getenv("TZ");
79 if (tz)
2f82562b 80 old_tz = strdupa_safe(tz);
2311eb2f 81
d95a74ed 82 /* Set the new $TZ */
437f48a4
LP		 83 tz_colon = strjoina(":", isempty(i->timezone) ? "UTC" : i->timezone);
84 if (setenv("TZ", tz_colon, true) < 0)
d95a74ed
LP		 85 log_warning_errno(errno, "Failed to set TZ environment variable, ignoring: %m");
86 else
87 tzset();
3e5e74d5 88
9ff09bcb
SL		 89 if (i->time != 0) {
90 sec = (time_t) (i->time / USEC_PER_SEC);
91 have_time = true;
d95a74ed 92 } else if (IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_MACHINE)) {
9ff09bcb
SL		 93 sec = time(NULL);
94 have_time = true;
95 } else
d95a74ed 96 log_warning("Could not get time from timedated and not operating locally, ignoring.");
6d0274f1 97
a03e335b 98 n = have_time ? strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm)) : 0;
cf57766d
YW		 99 r = table_add_many(table,
100 TABLE_STRING, "Local time:",
a03e335b 101 TABLE_STRING, n > 0 ? a : "n/a");
cf57766d 102 if (r < 0)
bd17fa8c 103 return table_log_add_error(r);
cf57766d 104
a03e335b 105 n = have_time ? strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm)) : 0;
cf57766d
YW		 106 r = table_add_many(table,
107 TABLE_STRING, "Universal time:",
a03e335b 108 TABLE_STRING, n > 0 ? a : "n/a");
cf57766d 109 if (r < 0)
bd17fa8c 110 return table_log_add_error(r);
6d0274f1 111
2f6a5907
KS		 112 if (i->rtc_time > 0) {
113 time_t rtc_sec;
6d0274f1 114
d95a74ed 115 rtc_sec = (time_t) (i->rtc_time / USEC_PER_SEC);
14ce0c25 116 n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S", gmtime_r(&rtc_sec, &tm));
a03e335b
ZJS		 117 } else
118 n = 0;
cf57766d
YW		 119 r = table_add_many(table,
120 TABLE_STRING, "RTC time:",
a03e335b 121 TABLE_STRING, n > 0 ? a : "n/a");
cf57766d 122 if (r < 0)
bd17fa8c 123 return table_log_add_error(r);
6d0274f1 124
cf57766d
YW		 125 r = table_add_cell(table, NULL, TABLE_STRING, "Time zone:");
126 if (r < 0)
bd17fa8c 127 return table_log_add_error(r);
cf57766d 128
a03e335b
ZJS		 129 n = have_time ? strftime(a, sizeof a, "%Z, %z", localtime_r(&sec, &tm)) : 0;
130 r = table_add_cell_stringf(table, NULL, "%s (%s)", strna(i->timezone), n > 0 ? a : "n/a");
cf57766d 131 if (r < 0)
bd17fa8c 132 return table_log_add_error(r);
cf57766d 133
d95a74ed 134 /* Restore the $TZ */
063f9f0d 135 r = set_unset_env("TZ", old_tz, true);
d95a74ed 136 if (r < 0)
063f9f0d 137 log_warning_errno(r, "Failed to set TZ environment variable, ignoring: %m");
d95a74ed
LP		 138 else
139 tzset();
140
cf57766d
YW		 141 r = table_add_many(table,
142 TABLE_STRING, "System clock synchronized:",
143 TABLE_BOOLEAN, i->ntp_synced,
144 TABLE_STRING, "NTP service:",
145 TABLE_STRING, i->ntp_capable ? (i->ntp_active ? "active" : "inactive") : "n/a",
146 TABLE_STRING, "RTC in local TZ:",
147 TABLE_BOOLEAN, i->rtc_local);
148 if (r < 0)
bd17fa8c 149 return table_log_add_error(r);
cf57766d
YW		 150
151 r = table_print(table, NULL);
152 if (r < 0)
4b6607d9 153 return table_log_print_error(r);
6d0274f1 154
2f6a5907 155 if (i->rtc_local)
54f8c958
LP		 156 printf("\n%s"
157 "Warning: The system is configured to read the RTC time in the local time zone.\n"
87ac8d99 158 " This mode cannot be fully supported. It will create various problems\n"
54f8c958
LP		 159 " with time zone changes and daylight saving time adjustments. The RTC\n"
160 " time is never updated, it relies on external facilities to maintain it.\n"
161 " If at all possible, use RTC in UTC by calling\n"
162 " 'timedatectl set-local-rtc 0'.%s\n", ansi_highlight(), ansi_normal());
cf57766d
YW		 163
164 return 0;
6d0274f1
LP		 165}
166
be90a886 167static int show_status(int argc, char **argv, void *userdata) {
f37f8a61 168 StatusInfo info = {};
9f6eb1cd 169 static const struct bus_properties_map map[] = {
f567f086
YW		 170 { "Timezone", "s", NULL, offsetof(StatusInfo, timezone) },
171 { "LocalRTC", "b", NULL, offsetof(StatusInfo, rtc_local) },
172 { "NTP", "b", NULL, offsetof(StatusInfo, ntp_active) },
9f6eb1cd 173 { "CanNTP", "b", NULL, offsetof(StatusInfo, ntp_capable) },
f567f086
YW		 174 { "NTPSynchronized", "b", NULL, offsetof(StatusInfo, ntp_synced) },
175 { "TimeUSec", "t", NULL, offsetof(StatusInfo, time) },
176 { "RTCTimeUSec", "t", NULL, offsetof(StatusInfo, rtc_time) },
ffc06c35
KS		 177 {}
178 };
f9e0eefc
LP		 179
180 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
f37f8a61 181 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
99534007 182 sd_bus *bus = ASSERT_PTR(userdata);
ffc06c35 183 int r;
6d0274f1 184
ffc06c35
KS		 185 r = bus_map_all_properties(bus,
186 "org.freedesktop.timedate1",
187 "/org/freedesktop/timedate1",
9f6eb1cd 188 map,
a7e4861c 189 BUS_MAP_BOOLEAN_AS_BOOL,
f9e0eefc 190 &error,
f37f8a61 191 &m,
9f6eb1cd 192 &info);
e7e55dbd 193 if (r < 0)
f9e0eefc 194 return log_error_errno(r, "Failed to query server: %s", bus_error_message(&error, r));
6d0274f1 195
cf57766d 196 return print_status_info(&info);
6d0274f1
LP		 197}
198
ead0adb1 199static int show_properties(int argc, char **argv, void *userdata) {
99534007 200 sd_bus *bus = ASSERT_PTR(userdata);
ead0adb1
YW		 201 int r;
202
ead0adb1
YW		 203 r = bus_print_all_properties(bus,
204 "org.freedesktop.timedate1",
205 "/org/freedesktop/timedate1",
206 NULL,
207 arg_property,
255b1fc8 208 arg_print_flags,
ead0adb1
YW		 209 NULL);
210 if (r < 0)
211 return bus_log_parse_error(r);
212
213 return 0;
214}
215
be90a886 216static int set_time(int argc, char **argv, void *userdata) {
4afd3348 217 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
a281d9c7 218 bool relative = false, interactive = arg_ask_password;
be90a886 219 sd_bus *bus = userdata;
6d0274f1 220 usec_t t;
6d0274f1
LP		 221 int r;
222
8a4b13c5 223 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
6d0274f1 224
be90a886
YW		 225 r = parse_timestamp(argv[1], &t);
226 if (r < 0)
227 return log_error_errno(r, "Failed to parse time specification '%s': %m", argv[1]);
6d0274f1 228
43fe4f76
VC		 229 r = bus_call_method(
230 bus,
231 bus_timedate,
232 "SetTime",
233 &error,
234 NULL,
235 "xbb", (int64_t) t, relative, interactive);
a281d9c7 236 if (r < 0)
4ae25393 237 return log_error_errno(r, "Failed to set time: %s", bus_error_message(&error, r));
a281d9c7 238
4ae25393 239 return 0;
6d0274f1
LP		 240}
241
be90a886 242static int set_timezone(int argc, char **argv, void *userdata) {
4afd3348 243 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
be90a886 244 sd_bus *bus = userdata;
a281d9c7 245 int r;
6d0274f1 246
8a4b13c5 247 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
6d0274f1 248
43fe4f76 249 r = bus_call_method(bus, bus_timedate, "SetTimezone", &error, NULL, "sb", argv[1], arg_ask_password);
a281d9c7 250 if (r < 0)
4ae25393 251 return log_error_errno(r, "Failed to set time zone: %s", bus_error_message(&error, r));
a281d9c7 252
4ae25393 253 return 0;
6d0274f1
LP		 254}
255
be90a886 256static int set_local_rtc(int argc, char **argv, void *userdata) {
4afd3348 257 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
be90a886 258 sd_bus *bus = userdata;
e5609878 259 int r, b;
6d0274f1 260
8a4b13c5 261 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
6d0274f1 262
be90a886
YW		 263 b = parse_boolean(argv[1]);
264 if (b < 0)
265 return log_error_errno(b, "Failed to parse local RTC setting '%s': %m", argv[1]);
6d0274f1 266
43fe4f76
VC		 267 r = bus_call_method(
268 bus,
269 bus_timedate,
270 "SetLocalRTC",
271 &error,
272 NULL,
273 "bbb", b, arg_adjust_system_clock, arg_ask_password);
a281d9c7 274 if (r < 0)
4ae25393 275 return log_error_errno(r, "Failed to set local RTC: %s", bus_error_message(&error, r));
a281d9c7 276
4ae25393 277 return 0;
6d0274f1
LP		 278}
279
be90a886 280static int set_ntp(int argc, char **argv, void *userdata) {
4afd3348 281 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
be90a886 282 sd_bus *bus = userdata;
e5609878 283 int b, r;
6d0274f1 284
8a4b13c5 285 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
6d0274f1 286
be90a886
YW		 287 b = parse_boolean(argv[1]);
288 if (b < 0)
289 return log_error_errno(b, "Failed to parse NTP setting '%s': %m", argv[1]);
6d0274f1 290
43fe4f76 291 r = bus_call_method(bus, bus_timedate, "SetNTP", &error, NULL, "bb", b, arg_ask_password);
a281d9c7 292 if (r < 0)
4ae25393 293 return log_error_errno(r, "Failed to set ntp: %s", bus_error_message(&error, r));
a281d9c7 294
4ae25393 295 return 0;
6d0274f1
LP		 296}
297
be90a886 298static int list_timezones(int argc, char **argv, void *userdata) {
2cf0b2fe
NT		 299 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
300 sd_bus *bus = userdata;
301 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
75683450 302 int r;
a2e37d52 303 _cleanup_strv_free_ char **zones = NULL;
2cf0b2fe 304
43fe4f76 305 r = bus_call_method(bus, bus_timedate, "ListTimezones", &error, &reply, NULL);
2cf0b2fe
NT		 306 if (r < 0)
307 return log_error_errno(r, "Failed to request list of time zones: %s",
308 bus_error_message(&error, r));
6d0274f1 309
2cf0b2fe 310 r = sd_bus_message_read_strv(reply, &zones);
f647962d 311 if (r < 0)
2cf0b2fe 312 return bus_log_parse_error(r);
6d0274f1 313
384c2c32 314 pager_open(arg_pager_flags);
7c2d8094 315 strv_print(zones);
6d0274f1
LP		 316
317 return 0;
318}
319
6129ec85
YW		 320typedef struct NTPStatusInfo {
321 const char *server_name;
322 char *server_address;
323 usec_t poll_interval, poll_max, poll_min;
324 usec_t root_distance_max;
325
326 uint32_t leap, version, mode, stratum;
327 int32_t precision;
328 usec_t root_delay, root_dispersion;
329 union {
330 char str[5];
331 uint32_t val;
332 } reference;
333 usec_t origin, recv, trans, dest;
334
335 bool spike;
336 uint64_t packet_count;
337 usec_t jitter;
338
339 int64_t freq;
340} NTPStatusInfo;
341
342static void ntp_status_info_clear(NTPStatusInfo *p) {
343 p->server_address = mfree(p->server_address);
344}
345
346static const char * const ntp_leap_table[4] = {
347 [0] = "normal",
348 [1] = "last minute of the day has 61 seconds",
349 [2] = "last minute of the day has 59 seconds",
350 [3] = "not synchronized",
351};
352
6028d766 353DISABLE_WARNING_TYPE_LIMITS;
6129ec85 354DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(ntp_leap, uint32_t);
6028d766 355REENABLE_WARNING;
6129ec85 356
cf57766d 357static int print_ntp_status_info(NTPStatusInfo *i) {
6129ec85 358 usec_t delay, t14, t23, offset, root_distance;
cf57766d 359 _cleanup_(table_unrefp) Table *table = NULL;
6129ec85 360 bool offset_sign;
cf57766d
YW		 361 TableCell *cell;
362 int r;
6129ec85
YW		 363
364 assert(i);
365
cf57766d
YW		 366 table = table_new("key", "value");
367 if (!table)
368 return log_oom();
369
370 table_set_header(table, false);
371
372 assert_se(cell = table_get_cell(table, 0, 0));
373 (void) table_set_ellipsize_percent(table, cell, 100);
374 (void) table_set_align_percent(table, cell, 100);
375
376 assert_se(cell = table_get_cell(table, 0, 1));
377 (void) table_set_ellipsize_percent(table, cell, 100);
378
6129ec85
YW		 379 /*
380 * "Timestamp Name ID When Generated
381 * ------------------------------------------------------------
382 * Originate Timestamp T1 time request sent by client
383 * Receive Timestamp T2 time request received by server
384 * Transmit Timestamp T3 time reply sent by server
385 * Destination Timestamp T4 time reply received by client
386 *
387 * The round-trip delay, d, and system clock offset, t, are defined as:
388 * d = (T4 - T1) - (T3 - T2) t = ((T2 - T1) + (T3 - T4)) / 2"
389 */
390
cf57766d
YW		 391 r = table_add_cell(table, NULL, TABLE_STRING, "Server:");
392 if (r < 0)
bd17fa8c 393 return table_log_add_error(r);
cf57766d 394
94ec163a 395 r = table_add_cell_stringf(table, NULL, "%s (%s)", strna(i->server_address), strna(i->server_name));
cf57766d 396 if (r < 0)
bd17fa8c 397 return table_log_add_error(r);
cf57766d
YW		 398
399 r = table_add_cell(table, NULL, TABLE_STRING, "Poll interval:");
400 if (r < 0)
bd17fa8c 401 return table_log_add_error(r);
cf57766d
YW		 402
403 r = table_add_cell_stringf(table, NULL, "%s (min: %s; max %s)",
5291f26d
ZJS		 404 FORMAT_TIMESPAN(i->poll_interval, 0),
405 FORMAT_TIMESPAN(i->poll_min, 0),
406 FORMAT_TIMESPAN(i->poll_max, 0));
cf57766d 407 if (r < 0)
bd17fa8c 408 return table_log_add_error(r);
6129ec85
YW		 409
410 if (i->packet_count == 0) {
cf57766d
YW		 411 r = table_add_many(table,
412 TABLE_STRING, "Packet count:",
413 TABLE_STRING, "0");
414 if (r < 0)
bd17fa8c 415 return table_log_add_error(r);
cf57766d
YW		 416
417 r = table_print(table, NULL);
418 if (r < 0)
4b6607d9 419 return table_log_print_error(r);
cf57766d
YW		 420
421 return 0;
6129ec85
YW		 422 }
423
424 if (i->dest < i->origin || i->trans < i->recv || i->dest - i->origin < i->trans - i->recv) {
425 log_error("Invalid NTP response");
cf57766d
YW		 426 r = table_print(table, NULL);
427 if (r < 0)
4b6607d9 428 return table_log_print_error(r);
cf57766d
YW		 429
430 return 0;
6129ec85
YW		 431 }
432
433 delay = (i->dest - i->origin) - (i->trans - i->recv);
434
435 t14 = i->origin + i->dest;
436 t23 = i->recv + i->trans;
437 offset_sign = t14 < t23;
438 offset = (offset_sign ? t23 - t14 : t14 - t23) / 2;
439
440 root_distance = i->root_delay / 2 + i->root_dispersion;
441
cf57766d
YW		 442 r = table_add_many(table,
443 TABLE_STRING, "Leap:",
444 TABLE_STRING, ntp_leap_to_string(i->leap),
445 TABLE_STRING, "Version:",
446 TABLE_UINT32, i->version,
447 TABLE_STRING, "Stratum:",
448 TABLE_UINT32, i->stratum,
449 TABLE_STRING, "Reference:");
450 if (r < 0)
bd17fa8c 451 return table_log_add_error(r);
cf57766d 452
6129ec85 453 if (i->stratum <= 1)
cf57766d 454 r = table_add_cell(table, NULL, TABLE_STRING, i->reference.str);
6129ec85 455 else
cf57766d
YW		 456 r = table_add_cell_stringf(table, NULL, "%" PRIX32, be32toh(i->reference.val));
457 if (r < 0)
bd17fa8c 458 return table_log_add_error(r);
cf57766d
YW		 459
460 r = table_add_cell(table, NULL, TABLE_STRING, "Precision:");
461 if (r < 0)
bd17fa8c 462 return table_log_add_error(r);
cf57766d
YW		 463
464 r = table_add_cell_stringf(table, NULL, "%s (%" PRIi32 ")",
5291f26d 465 FORMAT_TIMESPAN(DIV_ROUND_UP((nsec_t) (exp2(i->precision) * NSEC_PER_SEC), NSEC_PER_USEC), 0),
cf57766d
YW		 466 i->precision);
467 if (r < 0)
bd17fa8c 468 return table_log_add_error(r);
cf57766d
YW		 469
470 r = table_add_cell(table, NULL, TABLE_STRING, "Root distance:");
471 if (r < 0)
bd17fa8c 472 return table_log_add_error(r);
cf57766d
YW		 473
474 r = table_add_cell_stringf(table, NULL, "%s (max: %s)",
5291f26d
ZJS		 475 FORMAT_TIMESPAN(root_distance, 0),
476 FORMAT_TIMESPAN(i->root_distance_max, 0));
cf57766d 477 if (r < 0)
bd17fa8c 478 return table_log_add_error(r);
cf57766d
YW		 479
480 r = table_add_cell(table, NULL, TABLE_STRING, "Offset:");
481 if (r < 0)
bd17fa8c 482 return table_log_add_error(r);
cf57766d
YW		 483
484 r = table_add_cell_stringf(table, NULL, "%s%s",
485 offset_sign ? "+" : "-",
5291f26d 486 FORMAT_TIMESPAN(offset, 0));
cf57766d 487 if (r < 0)
bd17fa8c 488 return table_log_add_error(r);
cf57766d
YW		 489
490 r = table_add_many(table,
491 TABLE_STRING, "Delay:",
5291f26d 492 TABLE_STRING, FORMAT_TIMESPAN(delay, 0),
cf57766d 493 TABLE_STRING, "Jitter:",
5291f26d 494 TABLE_STRING, FORMAT_TIMESPAN(i->jitter, 0),
cf57766d
YW		 495 TABLE_STRING, "Packet count:",
496 TABLE_UINT64, i->packet_count);
497 if (r < 0)
bd17fa8c 498 return table_log_add_error(r);
cf57766d
YW		 499
500 if (!i->spike) {
501 r = table_add_cell(table, NULL, TABLE_STRING, "Frequency:");
502 if (r < 0)
bd17fa8c 503 return table_log_add_error(r);
cf57766d
YW		 504
505 r = table_add_cell_stringf(table, NULL, "%+.3fppm", (double) i->freq / 0x10000);
506 if (r < 0)
bd17fa8c 507 return table_log_add_error(r);
cf57766d
YW		 508 }
509
510 r = table_print(table, NULL);
511 if (r < 0)
4b6607d9 512 return table_log_print_error(r);
cf57766d
YW		 513
514 return 0;
6129ec85
YW		 515}
516
517static int map_server_address(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
518 char **p = (char **) userdata;
519 const void *d;
520 int family, r;
521 size_t sz;
522
523 assert(p);
524
525 r = sd_bus_message_enter_container(m, 'r', "iay");
526 if (r < 0)
527 return r;
528
529 r = sd_bus_message_read(m, "i", &family);
530 if (r < 0)
531 return r;
532
533 r = sd_bus_message_read_array(m, 'y', &d, &sz);
534 if (r < 0)
535 return r;
536
537 r = sd_bus_message_exit_container(m);
538 if (r < 0)
539 return r;
540
541 if (sz == 0 && family == AF_UNSPEC) {
542 *p = mfree(*p);
543 return 0;
544 }
545
baaa35ad
ZJS		 546 if (!IN_SET(family, AF_INET, AF_INET6))
547 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
548 "Unknown address family %i", family);
6129ec85 549
baaa35ad
ZJS		 550 if (sz != FAMILY_ADDRESS_SIZE(family))
551 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
552 "Invalid address size");
6129ec85
YW		 553
554 r = in_addr_to_string(family, d, p);
555 if (r < 0)
556 return r;
557
558 return 0;
559}
560
561static int map_ntp_message(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
99534007 562 NTPStatusInfo *p = ASSERT_PTR(userdata);
6129ec85
YW		 563 const void *d;
564 size_t sz;
565 int32_t b;
566 int r;
567
6129ec85
YW		 568 r = sd_bus_message_enter_container(m, 'r', "uuuuittayttttbtt");
569 if (r < 0)
570 return r;
571
572 r = sd_bus_message_read(m, "uuuuitt",
573 &p->leap, &p->version, &p->mode, &p->stratum, &p->precision,
574 &p->root_delay, &p->root_dispersion);
575 if (r < 0)
576 return r;
577
578 r = sd_bus_message_read_array(m, 'y', &d, &sz);
579 if (r < 0)
580 return r;
581
582 r = sd_bus_message_read(m, "ttttbtt",
583 &p->origin, &p->recv, &p->trans, &p->dest,
584 &b, &p->packet_count, &p->jitter);
585 if (r < 0)
586 return r;
587
588 r = sd_bus_message_exit_container(m);
589 if (r < 0)
590 return r;
591
592 if (sz != 4)
593 return -EINVAL;
594
595 memcpy(p->reference.str, d, sz);
596
5d904a6a 597 p->spike = b;
6129ec85
YW		 598
599 return 0;
600}
601
602static int show_timesync_status_once(sd_bus *bus) {
603 static const struct bus_properties_map map_timesync[] = {
604 { "ServerName", "s", NULL, offsetof(NTPStatusInfo, server_name) },
605 { "ServerAddress", "(iay)", map_server_address, offsetof(NTPStatusInfo, server_address) },
606 { "PollIntervalUSec", "t", NULL, offsetof(NTPStatusInfo, poll_interval) },
607 { "PollIntervalMinUSec", "t", NULL, offsetof(NTPStatusInfo, poll_min) },
608 { "PollIntervalMaxUSec", "t", NULL, offsetof(NTPStatusInfo, poll_max) },
609 { "RootDistanceMaxUSec", "t", NULL, offsetof(NTPStatusInfo, root_distance_max) },
610 { "NTPMessage", "(uuuuittayttttbtt)", map_ntp_message, 0 },
611 { "Frequency", "x", NULL, offsetof(NTPStatusInfo, freq) },
612 {}
613 };
614 _cleanup_(ntp_status_info_clear) NTPStatusInfo info = {};
615 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
616 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
617 int r;
618
619 assert(bus);
620
621 r = bus_map_all_properties(bus,
622 "org.freedesktop.timesync1",
623 "/org/freedesktop/timesync1",
624 map_timesync,
625 BUS_MAP_BOOLEAN_AS_BOOL,
626 &error,
627 &m,
628 &info);
629 if (r < 0)
630 return log_error_errno(r, "Failed to query server: %s", bus_error_message(&error, r));
631
632 if (arg_monitor && !terminal_is_dumb())
633 fputs(ANSI_HOME_CLEAR, stdout);
634
635 print_ntp_status_info(&info);
636
637 return 0;
638}
639
640static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
641 const char *name;
642 int r;
643
644 assert(m);
645
646 r = sd_bus_message_read(m, "s", &name);
647 if (r < 0)
d67b1d18 648 return bus_log_parse_error(r);
6129ec85
YW		 649
650 if (!streq_ptr(name, "org.freedesktop.timesync1.Manager"))
651 return 0;
652
653 return show_timesync_status_once(sd_bus_message_get_bus(m));
654}
655
656static int show_timesync_status(int argc, char **argv, void *userdata) {
657 _cleanup_(sd_event_unrefp) sd_event *event = NULL;
99534007 658 sd_bus *bus = ASSERT_PTR(userdata);
6129ec85
YW		 659 int r;
660
6129ec85
YW		 661 r = show_timesync_status_once(bus);
662 if (r < 0)
663 return r;
664
665 if (!arg_monitor)
666 return 0;
667
668 r = sd_event_default(&event);
669 if (r < 0)
670 return log_error_errno(r, "Failed to get event loop: %m");
671
672 r = sd_bus_match_signal(bus,
673 NULL,
674 "org.freedesktop.timesync1",
675 "/org/freedesktop/timesync1",
676 "org.freedesktop.DBus.Properties",
677 "PropertiesChanged",
678 on_properties_changed, NULL);
679 if (r < 0)
680 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
681
682 r = sd_bus_attach_event(bus, event, SD_EVENT_PRIORITY_NORMAL);
683 if (r < 0)
684 return log_error_errno(r, "Failed to attach bus to event loop: %m");
685
686 r = sd_event_loop(event);
687 if (r < 0)
688 return log_error_errno(r, "Failed to run event loop: %m");
689
690 return 0;
691}
692
255b1fc8 693static int print_timesync_property(const char *name, const char *expected_value, sd_bus_message *m, BusPrintPropertyFlags flags) {
6129ec85
YW		 694 char type;
695 const char *contents;
696 int r;
697
698 assert(name);
699 assert(m);
700
701 r = sd_bus_message_peek_type(m, &type, &contents);
702 if (r < 0)
703 return r;
704
705 switch (type) {
706
707 case SD_BUS_TYPE_STRUCT:
708 if (streq(name, "NTPMessage")) {
709 _cleanup_(ntp_status_info_clear) NTPStatusInfo i = {};
6129ec85
YW		 710
711 r = map_ntp_message(NULL, NULL, m, NULL, &i);
712 if (r < 0)
713 return r;
714
715 if (i.packet_count == 0)
716 return 1;
717
255b1fc8 718 if (!FLAGS_SET(flags, BUS_PRINT_PROPERTY_ONLY_VALUE)) {
6129ec85
YW		 719 fputs(name, stdout);
720 fputc('=', stdout);
721 }
722
723 printf("{ Leap=%u, Version=%u, Mode=%u, Stratum=%u, Precision=%i,",
724 i.leap, i.version, i.mode, i.stratum, i.precision);
5291f26d
ZJS		 725 printf(" RootDelay=%s,", FORMAT_TIMESPAN(i.root_delay, 0));
726 printf(" RootDispersion=%s,", FORMAT_TIMESPAN(i.root_dispersion, 0));
6129ec85
YW		 727
728 if (i.stratum == 1)
729 printf(" Reference=%s,", i.reference.str);
730 else
731 printf(" Reference=%" PRIX32 ",", be32toh(i.reference.val));
732
04f5c018
ZJS		 733 printf(" OriginateTimestamp=%s,", FORMAT_TIMESTAMP(i.origin));
734 printf(" ReceiveTimestamp=%s,", FORMAT_TIMESTAMP(i.recv));
735 printf(" TransmitTimestamp=%s,", FORMAT_TIMESTAMP(i.trans));
736 printf(" DestinationTimestamp=%s,", FORMAT_TIMESTAMP(i.dest));
77ec2816 737 printf(" Ignored=%s, PacketCount=%" PRIu64 ",",
6129ec85 738 yes_no(i.spike), i.packet_count);
5291f26d 739 printf(" Jitter=%s }\n", FORMAT_TIMESPAN(i.jitter, 0));
6129ec85
YW		 740
741 return 1;
742
743 } else if (streq(name, "ServerAddress")) {
744 _cleanup_free_ char *str = NULL;
745
746 r = map_server_address(NULL, NULL, m, NULL, &str);
747 if (r < 0)
748 return r;
749
255b1fc8 750 bus_print_property_value(name, expected_value, flags, str);
6129ec85
YW		 751
752 return 1;
753 }
754 break;
755 }
756
757 return 0;
758}
759
760static int show_timesync(int argc, char **argv, void *userdata) {
99534007 761 sd_bus *bus = ASSERT_PTR(userdata);
6129ec85
YW		 762 int r;
763
6129ec85
YW		 764 r = bus_print_all_properties(bus,
765 "org.freedesktop.timesync1",
766 "/org/freedesktop/timesync1",
767 print_timesync_property,
768 arg_property,
255b1fc8 769 arg_print_flags,
6129ec85
YW		 770 NULL);
771 if (r < 0)
772 return bus_log_parse_error(r);
773
774 return 0;
775}
776
9030b50a 777static int parse_ifindex_bus(sd_bus *bus, const char *str) {
159a855b
YW		 778 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
779 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
780 int32_t i;
781 int r;
782
783 assert(bus);
784 assert(str);
159a855b 785
597da51b 786 r = parse_ifindex(str);
9030b50a
ZJS		 787 if (r > 0)
788 return r;
789 assert(r < 0);
159a855b 790
43fe4f76 791 r = bus_call_method(bus, bus_network_mgr, "GetLinkByName", &error, &reply, "s", str);
159a855b
YW		 792 if (r < 0)
793 return log_error_errno(r, "Failed to get ifindex of interfaces %s: %s", str, bus_error_message(&error, r));
794
795 r = sd_bus_message_read(reply, "io", &i, NULL);
796 if (r < 0)
797 return bus_log_create_error(r);
798
9030b50a 799 return i;
159a855b
YW		 800}
801
802static int verb_ntp_servers(int argc, char **argv, void *userdata) {
803 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
804 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
99534007 805 sd_bus *bus = ASSERT_PTR(userdata);
159a855b
YW		 806 int ifindex, r;
807
9030b50a
ZJS		 808 ifindex = parse_ifindex_bus(bus, argv[1]);
809 if (ifindex < 0)
810 return ifindex;
159a855b
YW		 811
812 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
813
43fe4f76 814 r = bus_message_new_method_call(bus, &req, bus_network_mgr, "SetLinkNTP");
159a855b
YW		 815 if (r < 0)
816 return bus_log_create_error(r);
817
818 r = sd_bus_message_append(req, "i", ifindex);
819 if (r < 0)
820 return bus_log_create_error(r);
821
822 r = sd_bus_message_append_strv(req, argv + 2);
823 if (r < 0)
824 return bus_log_create_error(r);
825
826 r = sd_bus_call(bus, req, 0, &error, NULL);
827 if (r < 0)
828 return log_error_errno(r, "Failed to set NTP servers: %s", bus_error_message(&error, r));
829
830 return 0;
831}
832
833static int verb_revert(int argc, char **argv, void *userdata) {
834 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
99534007 835 sd_bus *bus = ASSERT_PTR(userdata);
159a855b
YW		 836 int ifindex, r;
837
9030b50a
ZJS		 838 ifindex = parse_ifindex_bus(bus, argv[1]);
839 if (ifindex < 0)
840 return ifindex;
159a855b
YW		 841
842 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
843
43fe4f76 844 r = bus_call_method(bus, bus_network_mgr, "RevertLinkNTP", &error, NULL, "i", ifindex);
159a855b
YW		 845 if (r < 0)
846 return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
847
848 return 0;
849}
850
be90a886 851static int help(void) {
37ec0fdd
LP		 852 _cleanup_free_ char *link = NULL;
853 int r;
854
855 r = terminal_urlify_man("timedatectl", "1", &link);
856 if (r < 0)
857 return log_oom();
858
353b2baa
LP		 859 printf("%s [OPTIONS...] COMMAND ...\n"
860 "\n%sQuery or change system time and date settings.%s\n"
e1fac8a6 861 "\nCommands:\n"
4f8f66cb 862 " status Show current time settings\n"
ead0adb1 863 " show Show properties of systemd-timedated\n"
4f8f66cb 864 " set-time TIME Set system time\n"
07a062a7
JSJ		 865 " set-timezone ZONE Set system time zone\n"
866 " list-timezones Show known time zones\n"
4f8f66cb 867 " set-local-rtc BOOL Control whether RTC is in local time\n"
6129ec85 868 " set-ntp BOOL Enable or disable network time synchronization\n"
353b2baa 869 "\nsystemd-timesyncd Commands:\n"
6129ec85
YW		 870 " timesync-status Show status of systemd-timesyncd\n"
871 " show-timesync Show properties of systemd-timesyncd\n"
353b2baa 872 "\nOptions:\n"
e1fac8a6
ZJS		 873 " -h --help Show this help message\n"
874 " --version Show package version\n"
875 " --no-pager Do not pipe output into a pager\n"
876 " --no-ask-password Do not prompt for password\n"
877 " -H --host=[USER@]HOST Operate on remote host\n"
878 " -M --machine=CONTAINER Operate on local container\n"
879 " --adjust-system-clock Adjust system clock when changing local RTC mode\n"
880 " --monitor Monitor status of systemd-timesyncd\n"
881 " -p --property=NAME Show only properties by this name\n"
882 " -a --all Show all properties, including empty ones\n"
883 " --value When showing properties, only print the value\n"
bc556335
DDM		 884 "\nSee the %s for details.\n",
885 program_invocation_short_name,
886 ansi_highlight(),
887 ansi_normal(),
888 link);
be90a886
YW		 889
890 return 0;
891}
892
893static int verb_help(int argc, char **argv, void *userdata) {
894 return help();
6d0274f1
LP		 895}
896
897static int parse_argv(int argc, char *argv[]) {
898
899 enum {
900 ARG_VERSION = 0x100,
901 ARG_NO_PAGER,
c9783430 902 ARG_ADJUST_SYSTEM_CLOCK,
6129ec85
YW		 903 ARG_NO_ASK_PASSWORD,
904 ARG_MONITOR,
905 ARG_VALUE,
6d0274f1
LP		 906 };
907
908 static const struct option options[] = {
c9783430
LP		 909 { "help", no_argument, NULL, 'h' },
910 { "version", no_argument, NULL, ARG_VERSION },
911 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
912 { "host", required_argument, NULL, 'H' },
a281d9c7 913 { "machine", required_argument, NULL, 'M' },
c9783430
LP		 914 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
915 { "adjust-system-clock", no_argument, NULL, ARG_ADJUST_SYSTEM_CLOCK },
6129ec85
YW		 916 { "monitor", no_argument, NULL, ARG_MONITOR },
917 { "property", required_argument, NULL, 'p' },
918 { "all", no_argument, NULL, 'a' },
919 { "value", no_argument, NULL, ARG_VALUE },
eb9da376 920 {}
6d0274f1
LP		 921 };
922
6129ec85 923 int c, r;
6d0274f1
LP		 924
925 assert(argc >= 0);
926 assert(argv);
927
6129ec85 928 while ((c = getopt_long(argc, argv, "hH:M:p:a", options, NULL)) >= 0)
6d0274f1
LP		 929
930 switch (c) {
931
932 case 'h':
be90a886 933 return help();
6d0274f1
LP		 934
935 case ARG_VERSION:
3f6fd1ba 936 return version();
6d0274f1 937
a281d9c7
TA		 938 case 'H':
939 arg_transport = BUS_TRANSPORT_REMOTE;
940 arg_host = optarg;
6d0274f1
LP		 941 break;
942
a281d9c7 943 case 'M':
de33fc62 944 arg_transport = BUS_TRANSPORT_MACHINE;
a281d9c7 945 arg_host = optarg;
6d0274f1
LP		 946 break;
947
546158bc
JJ		 948 case ARG_NO_ASK_PASSWORD:
949 arg_ask_password = false;
950 break;
951
c9783430
LP		 952 case ARG_ADJUST_SYSTEM_CLOCK:
953 arg_adjust_system_clock = true;
6d0274f1
LP		 954 break;
955
956 case ARG_NO_PAGER:
0221d68a 957 arg_pager_flags |= PAGER_DISABLE;
6d0274f1
LP		 958 break;
959
6129ec85
YW		 960 case ARG_MONITOR:
961 arg_monitor = true;
962 break;
963
964 case 'p': {
965 r = strv_extend(&arg_property, optarg);
966 if (r < 0)
967 return log_oom();
968
969 /* If the user asked for a particular
e8607daf 970 * property, show it to them, even if it is
6129ec85 971 * empty. */
255b1fc8 972 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true);
6129ec85
YW		 973 break;
974 }
975
976 case 'a':
255b1fc8 977 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true);
6129ec85
YW		 978 break;
979
980 case ARG_VALUE:
255b1fc8 981 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true);
6129ec85
YW		 982 break;
983
6d0274f1
LP		 984 case '?':
985 return -EINVAL;
986
987 default:
04499a70 988 assert_not_reached();
6d0274f1 989 }
6d0274f1
LP		 990
991 return 1;
992}
993
a281d9c7 994static int timedatectl_main(sd_bus *bus, int argc, char *argv[]) {
be90a886 995 static const Verb verbs[] = {
6129ec85 996 { "status", VERB_ANY, 1, VERB_DEFAULT, show_status },
ead0adb1 997 { "show", VERB_ANY, 1, 0, show_properties },
6129ec85
YW		 998 { "set-time", 2, 2, 0, set_time },
999 { "set-timezone", 2, 2, 0, set_timezone },
1000 { "list-timezones", VERB_ANY, 1, 0, list_timezones },
1001 { "set-local-rtc", 2, 2, 0, set_local_rtc },
1002 { "set-ntp", 2, 2, 0, set_ntp },
1003 { "timesync-status", VERB_ANY, 1, 0, show_timesync_status },
1004 { "show-timesync", VERB_ANY, 1, 0, show_timesync },
159a855b
YW		 1005 { "ntp-servers", 3, VERB_ANY, 0, verb_ntp_servers },
1006 { "revert", 2, 2, 0, verb_revert },
6129ec85 1007 { "help", VERB_ANY, VERB_ANY, 0, verb_help }, /* Not documented, but supported since it is created. */
be90a886 1008 {}
6d0274f1
LP		 1009 };
1010
be90a886 1011 return dispatch_verb(argc, argv, verbs, bus);
6d0274f1
LP		 1012}
1013
50378e5d
ZJS		 1014static int run(int argc, char *argv[]) {
1015 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
84f6181c 1016 int r;
6d0274f1 1017
a9cdc94f 1018 setlocale(LC_ALL, "");
d2acb93d 1019 log_setup();
6d0274f1
LP		 1020
1021 r = parse_argv(argc, argv);
84f6181c 1022 if (r <= 0)
50378e5d 1023 return r;
6d0274f1 1024
266f3e26 1025 r = bus_connect_transport(arg_transport, arg_host, false, &bus);
50378e5d 1026 if (r < 0)
10a7340a 1027 return bus_log_connect_error(r, arg_transport);
6d0274f1 1028
50378e5d 1029 return timedatectl_main(bus, argc, argv);
6d0274f1 1030}
50378e5d
ZJS		 1031
1032DEFINE_MAIN_FUNCTION(run);
Unnamed repository; edit this file 'description' to name the repository.