]>
Commit | Line | Data |
---|---|---|
53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
6d0274f1 LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2012 Lennart Poettering | |
2f6a5907 | 6 | Copyright 2013 Kay Sievers |
6d0274f1 LP |
7 | |
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
6d0274f1 | 22 | #include <getopt.h> |
a9cdc94f | 23 | #include <locale.h> |
3f6fd1ba LP |
24 | #include <stdbool.h> |
25 | #include <stdlib.h> | |
6d0274f1 | 26 | |
a281d9c7 | 27 | #include "sd-bus.h" |
3f6fd1ba | 28 | |
a281d9c7 | 29 | #include "bus-error.h" |
3f6fd1ba LP |
30 | #include "bus-util.h" |
31 | #include "pager.h" | |
6bedfcbb | 32 | #include "parse-util.h" |
6d0274f1 | 33 | #include "spawn-polkit-agent.h" |
6d0274f1 | 34 | #include "strv.h" |
288a74cc | 35 | #include "terminal-util.h" |
3f6fd1ba | 36 | #include "util.h" |
be90a886 | 37 | #include "verbs.h" |
6d0274f1 | 38 | |
6d0274f1 | 39 | static bool arg_no_pager = false; |
6d0274f1 | 40 | static bool arg_ask_password = true; |
e1636421 | 41 | static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; |
7085053a | 42 | static char *arg_host = NULL; |
e1636421 | 43 | static bool arg_adjust_system_clock = false; |
6d0274f1 | 44 | |
6d0274f1 | 45 | typedef struct StatusInfo { |
2f6a5907 | 46 | usec_t time; |
ffc06c35 | 47 | char *timezone; |
2f6a5907 KS |
48 | |
49 | usec_t rtc_time; | |
43dcc86a | 50 | int rtc_local; |
2f6a5907 | 51 | |
43dcc86a LP |
52 | int ntp_enabled; |
53 | int ntp_capable; | |
54 | int ntp_synced; | |
6d0274f1 LP |
55 | } StatusInfo; |
56 | ||
e7e55dbd DH |
57 | static void status_info_clear(StatusInfo *info) { |
58 | if (info) { | |
59 | free(info->timezone); | |
60 | zero(*info); | |
61 | } | |
62 | } | |
63 | ||
ffc06c35 | 64 | static void print_status_info(const StatusInfo *i) { |
14ce0c25 | 65 | char a[LINE_MAX]; |
6d0274f1 LP |
66 | struct tm tm; |
67 | time_t sec; | |
9ff09bcb | 68 | bool have_time = false; |
d95a74ed | 69 | const char *old_tz = NULL, *tz; |
6d0274f1 | 70 | int r; |
14ce0c25 | 71 | size_t n; |
6d0274f1 | 72 | |
59965986 LP |
73 | assert(i); |
74 | ||
d95a74ed LP |
75 | /* Save the old $TZ */ |
76 | tz = getenv("TZ"); | |
77 | if (tz) | |
78 | old_tz = strdupa(tz); | |
2311eb2f | 79 | |
d95a74ed | 80 | /* Set the new $TZ */ |
bdeb9e60 | 81 | if (setenv("TZ", isempty(i->timezone) ? "UTC" : i->timezone, true) < 0) |
d95a74ed LP |
82 | log_warning_errno(errno, "Failed to set TZ environment variable, ignoring: %m"); |
83 | else | |
84 | tzset(); | |
3e5e74d5 | 85 | |
9ff09bcb SL |
86 | if (i->time != 0) { |
87 | sec = (time_t) (i->time / USEC_PER_SEC); | |
88 | have_time = true; | |
d95a74ed | 89 | } else if (IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_MACHINE)) { |
9ff09bcb SL |
90 | sec = time(NULL); |
91 | have_time = true; | |
92 | } else | |
d95a74ed | 93 | log_warning("Could not get time from timedated and not operating locally, ignoring."); |
6d0274f1 | 94 | |
9ff09bcb | 95 | if (have_time) { |
14ce0c25 ZJS |
96 | n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm)); |
97 | printf(" Local time: %s\n", n > 0 ? a : "n/a"); | |
5ffa8c81 | 98 | |
14ce0c25 ZJS |
99 | n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm)); |
100 | printf(" Universal time: %s\n", n > 0 ? a : "n/a"); | |
9ff09bcb | 101 | } else { |
3ec530a1 ZJS |
102 | printf(" Local time: %s\n", "n/a"); |
103 | printf(" Universal time: %s\n", "n/a"); | |
9ff09bcb | 104 | } |
6d0274f1 | 105 | |
2f6a5907 KS |
106 | if (i->rtc_time > 0) { |
107 | time_t rtc_sec; | |
6d0274f1 | 108 | |
d95a74ed | 109 | rtc_sec = (time_t) (i->rtc_time / USEC_PER_SEC); |
14ce0c25 ZJS |
110 | n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S", gmtime_r(&rtc_sec, &tm)); |
111 | printf(" RTC time: %s\n", n > 0 ? a : "n/a"); | |
2f6a5907 | 112 | } else |
3ec530a1 | 113 | printf(" RTC time: %s\n", "n/a"); |
6d0274f1 | 114 | |
5ffa8c81 | 115 | if (have_time) |
14ce0c25 | 116 | n = strftime(a, sizeof a, "%Z, %z", localtime_r(&sec, &tm)); |
2667cc25 | 117 | |
d95a74ed LP |
118 | /* Restore the $TZ */ |
119 | if (old_tz) | |
120 | r = setenv("TZ", old_tz, true); | |
121 | else | |
122 | r = unsetenv("TZ"); | |
123 | if (r < 0) | |
124 | log_warning_errno(errno, "Failed to set TZ environment variable, ignoring: %m"); | |
125 | else | |
126 | tzset(); | |
127 | ||
14ce0c25 | 128 | printf(" Time zone: %s (%s)\n" |
3ec530a1 ZJS |
129 | " System clock synchronized: %s\n" |
130 | "systemd-timesyncd.service active: %s\n" | |
131 | " RTC in local TZ: %s\n", | |
14ce0c25 | 132 | strna(i->timezone), have_time && n > 0 ? a : "n/a", |
2f6a5907 | 133 | yes_no(i->ntp_synced), |
a5198615 | 134 | i->ntp_capable ? yes_no(i->ntp_enabled) : "n/a", |
2f6a5907 | 135 | yes_no(i->rtc_local)); |
6d0274f1 | 136 | |
2f6a5907 | 137 | if (i->rtc_local) |
54f8c958 LP |
138 | printf("\n%s" |
139 | "Warning: The system is configured to read the RTC time in the local time zone.\n" | |
87ac8d99 | 140 | " This mode cannot be fully supported. It will create various problems\n" |
54f8c958 LP |
141 | " with time zone changes and daylight saving time adjustments. The RTC\n" |
142 | " time is never updated, it relies on external facilities to maintain it.\n" | |
143 | " If at all possible, use RTC in UTC by calling\n" | |
144 | " 'timedatectl set-local-rtc 0'.%s\n", ansi_highlight(), ansi_normal()); | |
6d0274f1 LP |
145 | } |
146 | ||
be90a886 | 147 | static int show_status(int argc, char **argv, void *userdata) { |
e7e55dbd | 148 | _cleanup_(status_info_clear) StatusInfo info = {}; |
9f6eb1cd KS |
149 | static const struct bus_properties_map map[] = { |
150 | { "Timezone", "s", NULL, offsetof(StatusInfo, timezone) }, | |
151 | { "LocalRTC", "b", NULL, offsetof(StatusInfo, rtc_local) }, | |
152 | { "NTP", "b", NULL, offsetof(StatusInfo, ntp_enabled) }, | |
153 | { "CanNTP", "b", NULL, offsetof(StatusInfo, ntp_capable) }, | |
154 | { "NTPSynchronized", "b", NULL, offsetof(StatusInfo, ntp_synced) }, | |
155 | { "TimeUSec", "t", NULL, offsetof(StatusInfo, time) }, | |
156 | { "RTCTimeUSec", "t", NULL, offsetof(StatusInfo, rtc_time) }, | |
ffc06c35 KS |
157 | {} |
158 | }; | |
f9e0eefc LP |
159 | |
160 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
be90a886 | 161 | sd_bus *bus = userdata; |
ffc06c35 | 162 | int r; |
6d0274f1 | 163 | |
a281d9c7 | 164 | assert(bus); |
6d0274f1 | 165 | |
ffc06c35 KS |
166 | r = bus_map_all_properties(bus, |
167 | "org.freedesktop.timedate1", | |
168 | "/org/freedesktop/timedate1", | |
9f6eb1cd | 169 | map, |
f9e0eefc | 170 | &error, |
9f6eb1cd | 171 | &info); |
e7e55dbd | 172 | if (r < 0) |
f9e0eefc | 173 | return log_error_errno(r, "Failed to query server: %s", bus_error_message(&error, r)); |
6d0274f1 LP |
174 | |
175 | print_status_info(&info); | |
ffc06c35 | 176 | |
ffc06c35 | 177 | return r; |
6d0274f1 LP |
178 | } |
179 | ||
be90a886 | 180 | static int set_time(int argc, char **argv, void *userdata) { |
4afd3348 | 181 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
a281d9c7 | 182 | bool relative = false, interactive = arg_ask_password; |
be90a886 | 183 | sd_bus *bus = userdata; |
6d0274f1 | 184 | usec_t t; |
6d0274f1 LP |
185 | int r; |
186 | ||
8a4b13c5 | 187 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
6d0274f1 | 188 | |
be90a886 YW |
189 | r = parse_timestamp(argv[1], &t); |
190 | if (r < 0) | |
191 | return log_error_errno(r, "Failed to parse time specification '%s': %m", argv[1]); | |
6d0274f1 | 192 | |
a281d9c7 TA |
193 | r = sd_bus_call_method(bus, |
194 | "org.freedesktop.timedate1", | |
195 | "/org/freedesktop/timedate1", | |
196 | "org.freedesktop.timedate1", | |
197 | "SetTime", | |
198 | &error, | |
199 | NULL, | |
be90a886 | 200 | "xbb", (int64_t) t, relative, interactive); |
a281d9c7 | 201 | if (r < 0) |
be90a886 | 202 | log_error("Failed to set time: %s", bus_error_message(&error, r)); |
a281d9c7 TA |
203 | |
204 | return r; | |
6d0274f1 LP |
205 | } |
206 | ||
be90a886 | 207 | static int set_timezone(int argc, char **argv, void *userdata) { |
4afd3348 | 208 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
be90a886 | 209 | sd_bus *bus = userdata; |
a281d9c7 | 210 | int r; |
6d0274f1 | 211 | |
8a4b13c5 | 212 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
6d0274f1 | 213 | |
a281d9c7 TA |
214 | r = sd_bus_call_method(bus, |
215 | "org.freedesktop.timedate1", | |
216 | "/org/freedesktop/timedate1", | |
217 | "org.freedesktop.timedate1", | |
218 | "SetTimezone", | |
219 | &error, | |
220 | NULL, | |
be90a886 | 221 | "sb", argv[1], arg_ask_password); |
a281d9c7 | 222 | if (r < 0) |
be90a886 | 223 | log_error("Failed to set time zone: %s", bus_error_message(&error, r)); |
a281d9c7 TA |
224 | |
225 | return r; | |
6d0274f1 LP |
226 | } |
227 | ||
be90a886 | 228 | static int set_local_rtc(int argc, char **argv, void *userdata) { |
4afd3348 | 229 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
be90a886 | 230 | sd_bus *bus = userdata; |
e5609878 | 231 | int r, b; |
6d0274f1 | 232 | |
8a4b13c5 | 233 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
6d0274f1 | 234 | |
be90a886 YW |
235 | b = parse_boolean(argv[1]); |
236 | if (b < 0) | |
237 | return log_error_errno(b, "Failed to parse local RTC setting '%s': %m", argv[1]); | |
6d0274f1 | 238 | |
a281d9c7 TA |
239 | r = sd_bus_call_method(bus, |
240 | "org.freedesktop.timedate1", | |
241 | "/org/freedesktop/timedate1", | |
242 | "org.freedesktop.timedate1", | |
243 | "SetLocalRTC", | |
244 | &error, | |
245 | NULL, | |
e5609878 | 246 | "bbb", b, arg_adjust_system_clock, arg_ask_password); |
a281d9c7 | 247 | if (r < 0) |
be90a886 | 248 | log_error("Failed to set local RTC: %s", bus_error_message(&error, r)); |
a281d9c7 TA |
249 | |
250 | return r; | |
6d0274f1 LP |
251 | } |
252 | ||
be90a886 | 253 | static int set_ntp(int argc, char **argv, void *userdata) { |
4afd3348 | 254 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
be90a886 | 255 | sd_bus *bus = userdata; |
e5609878 | 256 | int b, r; |
6d0274f1 | 257 | |
8a4b13c5 | 258 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
6d0274f1 | 259 | |
be90a886 YW |
260 | b = parse_boolean(argv[1]); |
261 | if (b < 0) | |
262 | return log_error_errno(b, "Failed to parse NTP setting '%s': %m", argv[1]); | |
6d0274f1 | 263 | |
a281d9c7 TA |
264 | r = sd_bus_call_method(bus, |
265 | "org.freedesktop.timedate1", | |
266 | "/org/freedesktop/timedate1", | |
267 | "org.freedesktop.timedate1", | |
268 | "SetNTP", | |
269 | &error, | |
270 | NULL, | |
e5609878 | 271 | "bb", b, arg_ask_password); |
a281d9c7 | 272 | if (r < 0) |
be90a886 | 273 | log_error("Failed to set ntp: %s", bus_error_message(&error, r)); |
a281d9c7 TA |
274 | |
275 | return r; | |
6d0274f1 LP |
276 | } |
277 | ||
be90a886 | 278 | static int list_timezones(int argc, char **argv, void *userdata) { |
6d0274f1 | 279 | _cleanup_strv_free_ char **zones = NULL; |
75683450 | 280 | int r; |
6d0274f1 | 281 | |
75683450 | 282 | r = get_timezones(&zones); |
f647962d MS |
283 | if (r < 0) |
284 | return log_error_errno(r, "Failed to read list of time zones: %m"); | |
6d0274f1 | 285 | |
ee5324aa | 286 | (void) pager_open(arg_no_pager, false); |
7c2d8094 | 287 | strv_print(zones); |
6d0274f1 LP |
288 | |
289 | return 0; | |
290 | } | |
291 | ||
be90a886 | 292 | static int help(void) { |
7591abd4 LP |
293 | printf("%s [OPTIONS...] COMMAND ...\n\n" |
294 | "Query or change system time and date settings.\n\n" | |
07a062a7 | 295 | " -h --help Show this help message\n" |
4f8f66cb ZJS |
296 | " --version Show package version\n" |
297 | " --no-pager Do not pipe output into a pager\n" | |
298 | " --no-ask-password Do not prompt for password\n" | |
299 | " -H --host=[USER@]HOST Operate on remote host\n" | |
300 | " -M --machine=CONTAINER Operate on local container\n" | |
301 | " --adjust-system-clock Adjust system clock when changing local RTC mode\n\n" | |
6d0274f1 | 302 | "Commands:\n" |
4f8f66cb ZJS |
303 | " status Show current time settings\n" |
304 | " set-time TIME Set system time\n" | |
07a062a7 JSJ |
305 | " set-timezone ZONE Set system time zone\n" |
306 | " list-timezones Show known time zones\n" | |
4f8f66cb | 307 | " set-local-rtc BOOL Control whether RTC is in local time\n" |
3906ab4a | 308 | " set-ntp BOOL Enable or disable network time synchronization\n", |
6d0274f1 | 309 | program_invocation_short_name); |
be90a886 YW |
310 | |
311 | return 0; | |
312 | } | |
313 | ||
314 | static int verb_help(int argc, char **argv, void *userdata) { | |
315 | return help(); | |
6d0274f1 LP |
316 | } |
317 | ||
318 | static int parse_argv(int argc, char *argv[]) { | |
319 | ||
320 | enum { | |
321 | ARG_VERSION = 0x100, | |
322 | ARG_NO_PAGER, | |
c9783430 | 323 | ARG_ADJUST_SYSTEM_CLOCK, |
6d0274f1 LP |
324 | ARG_NO_ASK_PASSWORD |
325 | }; | |
326 | ||
327 | static const struct option options[] = { | |
c9783430 LP |
328 | { "help", no_argument, NULL, 'h' }, |
329 | { "version", no_argument, NULL, ARG_VERSION }, | |
330 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
331 | { "host", required_argument, NULL, 'H' }, | |
a281d9c7 | 332 | { "machine", required_argument, NULL, 'M' }, |
c9783430 LP |
333 | { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, |
334 | { "adjust-system-clock", no_argument, NULL, ARG_ADJUST_SYSTEM_CLOCK }, | |
eb9da376 | 335 | {} |
6d0274f1 LP |
336 | }; |
337 | ||
338 | int c; | |
339 | ||
340 | assert(argc >= 0); | |
341 | assert(argv); | |
342 | ||
601185b4 | 343 | while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0) |
6d0274f1 LP |
344 | |
345 | switch (c) { | |
346 | ||
347 | case 'h': | |
be90a886 | 348 | return help(); |
6d0274f1 LP |
349 | |
350 | case ARG_VERSION: | |
3f6fd1ba | 351 | return version(); |
6d0274f1 | 352 | |
a281d9c7 TA |
353 | case 'H': |
354 | arg_transport = BUS_TRANSPORT_REMOTE; | |
355 | arg_host = optarg; | |
6d0274f1 LP |
356 | break; |
357 | ||
a281d9c7 | 358 | case 'M': |
de33fc62 | 359 | arg_transport = BUS_TRANSPORT_MACHINE; |
a281d9c7 | 360 | arg_host = optarg; |
6d0274f1 LP |
361 | break; |
362 | ||
546158bc JJ |
363 | case ARG_NO_ASK_PASSWORD: |
364 | arg_ask_password = false; | |
365 | break; | |
366 | ||
c9783430 LP |
367 | case ARG_ADJUST_SYSTEM_CLOCK: |
368 | arg_adjust_system_clock = true; | |
6d0274f1 LP |
369 | break; |
370 | ||
371 | case ARG_NO_PAGER: | |
372 | arg_no_pager = true; | |
373 | break; | |
374 | ||
375 | case '?': | |
376 | return -EINVAL; | |
377 | ||
378 | default: | |
eb9da376 | 379 | assert_not_reached("Unhandled option"); |
6d0274f1 | 380 | } |
6d0274f1 LP |
381 | |
382 | return 1; | |
383 | } | |
384 | ||
a281d9c7 | 385 | static int timedatectl_main(sd_bus *bus, int argc, char *argv[]) { |
6d0274f1 | 386 | |
be90a886 YW |
387 | static const Verb verbs[] = { |
388 | { "status", VERB_ANY, 1, VERB_DEFAULT, show_status }, | |
389 | { "set-time", 2, 2, 0, set_time }, | |
390 | { "set-timezone", 2, 2, 0, set_timezone }, | |
391 | { "list-timezones", VERB_ANY, 1, 0, list_timezones }, | |
392 | { "set-local-rtc", 2, 2, 0, set_local_rtc }, | |
393 | { "set-ntp", 2, 2, 0, set_ntp }, | |
394 | { "help", VERB_ANY, VERB_ANY, 0, verb_help }, /* Not documented, but supported since it is created. */ | |
395 | {} | |
6d0274f1 LP |
396 | }; |
397 | ||
be90a886 | 398 | return dispatch_verb(argc, argv, verbs, bus); |
6d0274f1 LP |
399 | } |
400 | ||
401 | int main(int argc, char *argv[]) { | |
a3c56345 | 402 | sd_bus *bus = NULL; |
84f6181c | 403 | int r; |
6d0274f1 | 404 | |
a9cdc94f | 405 | setlocale(LC_ALL, ""); |
6d0274f1 LP |
406 | log_parse_environment(); |
407 | log_open(); | |
408 | ||
409 | r = parse_argv(argc, argv); | |
84f6181c | 410 | if (r <= 0) |
6d0274f1 | 411 | goto finish; |
6d0274f1 | 412 | |
266f3e26 | 413 | r = bus_connect_transport(arg_transport, arg_host, false, &bus); |
a281d9c7 | 414 | if (r < 0) { |
da927ba9 | 415 | log_error_errno(r, "Failed to create bus connection: %m"); |
a281d9c7 | 416 | goto finish; |
6d0274f1 LP |
417 | } |
418 | ||
a281d9c7 | 419 | r = timedatectl_main(bus, argc, argv); |
6d0274f1 | 420 | |
a281d9c7 | 421 | finish: |
0a84daa5 FB |
422 | /* make sure we terminate the bus connection first, and then close the |
423 | * pager, see issue #3543 for the details. */ | |
a3c56345 | 424 | sd_bus_flush_close_unref(bus); |
6d0274f1 LP |
425 | pager_close(); |
426 | ||
84f6181c | 427 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
6d0274f1 | 428 | } |