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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
commit | 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch) | |
tree | 33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/timedate/timedatectl.c | |
parent | Initial commit. (diff) | |
download | systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip |
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/timedate/timedatectl.c')
-rw-r--r-- | src/timedate/timedatectl.c | 1039 |
1 files changed, 1039 insertions, 0 deletions
diff --git a/src/timedate/timedatectl.c b/src/timedate/timedatectl.c new file mode 100644 index 0000000..418faa5 --- /dev/null +++ b/src/timedate/timedatectl.c @@ -0,0 +1,1039 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <getopt.h> +#include <locale.h> +#include <math.h> +#include <stdbool.h> +#include <stdlib.h> + +#include "sd-bus.h" + +#include "build.h" +#include "bus-error.h" +#include "bus-locator.h" +#include "bus-map-properties.h" +#include "bus-print-properties.h" +#include "env-util.h" +#include "format-table.h" +#include "in-addr-util.h" +#include "main-func.h" +#include "pager.h" +#include "parse-util.h" +#include "pretty-print.h" +#include "sparse-endian.h" +#include "spawn-polkit-agent.h" +#include "string-table.h" +#include "strv.h" +#include "terminal-util.h" +#include "verbs.h" + +static PagerFlags arg_pager_flags = 0; +static bool arg_ask_password = true; +static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; +static char *arg_host = NULL; +static bool arg_adjust_system_clock = false; +static bool arg_monitor = false; +static char **arg_property = NULL; +static BusPrintPropertyFlags arg_print_flags = 0; + +typedef struct StatusInfo { + usec_t time; + const char *timezone; + + usec_t rtc_time; + bool rtc_local; + + bool ntp_capable; + bool ntp_active; + bool ntp_synced; +} StatusInfo; + +static int print_status_info(const StatusInfo *i) { + _cleanup_(table_unrefp) Table *table = NULL; + const char *old_tz = NULL, *tz, *tz_colon; + bool have_time = false; + char a[LINE_MAX]; + TableCell *cell; + struct tm tm; + time_t sec; + size_t n; + int r; + + assert(i); + + table = table_new_vertical(); + if (!table) + return log_oom(); + + assert_se(cell = table_get_cell(table, 0, 0)); + (void) table_set_ellipsize_percent(table, cell, 100); + + assert_se(cell = table_get_cell(table, 0, 1)); + (void) table_set_ellipsize_percent(table, cell, 100); + + /* Save the old $TZ */ + tz = getenv("TZ"); + if (tz) + old_tz = strdupa_safe(tz); + + /* Set the new $TZ */ + tz_colon = strjoina(":", isempty(i->timezone) ? "UTC" : i->timezone); + if (setenv("TZ", tz_colon, true) < 0) + log_warning_errno(errno, "Failed to set TZ environment variable, ignoring: %m"); + else + tzset(); + + if (i->time != 0) { + sec = (time_t) (i->time / USEC_PER_SEC); + have_time = true; + } else if (IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_MACHINE)) { + sec = time(NULL); + have_time = true; + } else + log_warning("Could not get time from timedated and not operating locally, ignoring."); + + n = have_time ? strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm)) : 0; + r = table_add_many(table, + TABLE_FIELD, "Local time", + TABLE_STRING, n > 0 ? a : "n/a"); + if (r < 0) + return table_log_add_error(r); + + n = have_time ? strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm)) : 0; + r = table_add_many(table, + TABLE_FIELD, "Universal time", + TABLE_STRING, n > 0 ? a : "n/a"); + if (r < 0) + return table_log_add_error(r); + + if (i->rtc_time > 0) { + time_t rtc_sec; + + rtc_sec = (time_t) (i->rtc_time / USEC_PER_SEC); + n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S", gmtime_r(&rtc_sec, &tm)); + } else + n = 0; + r = table_add_many(table, + TABLE_FIELD, "RTC time", + TABLE_STRING, n > 0 ? a : "n/a"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell(table, NULL, TABLE_FIELD, "Time zone"); + if (r < 0) + return table_log_add_error(r); + + n = have_time ? strftime(a, sizeof a, "%Z, %z", localtime_r(&sec, &tm)) : 0; + r = table_add_cell_stringf(table, NULL, "%s (%s)", strna(i->timezone), n > 0 ? a : "n/a"); + if (r < 0) + return table_log_add_error(r); + + /* Restore the $TZ */ + r = set_unset_env("TZ", old_tz, true); + if (r < 0) + log_warning_errno(r, "Failed to set TZ environment variable, ignoring: %m"); + else + tzset(); + + r = table_add_many(table, + TABLE_FIELD, "System clock synchronized", + TABLE_BOOLEAN, i->ntp_synced, + TABLE_FIELD, "NTP service", + TABLE_STRING, i->ntp_capable ? (i->ntp_active ? "active" : "inactive") : "n/a", + TABLE_FIELD, "RTC in local TZ", + TABLE_BOOLEAN, i->rtc_local); + if (r < 0) + return table_log_add_error(r); + + r = table_print(table, NULL); + if (r < 0) + return table_log_print_error(r); + + if (i->rtc_local) + printf("\n%s" + "Warning: The system is configured to read the RTC time in the local time zone.\n" + " This mode cannot be fully supported. It will create various problems\n" + " with time zone changes and daylight saving time adjustments. The RTC\n" + " time is never updated, it relies on external facilities to maintain it.\n" + " If at all possible, use RTC in UTC by calling\n" + " 'timedatectl set-local-rtc 0'.%s\n", ansi_highlight(), ansi_normal()); + + return 0; +} + +static int show_status(int argc, char **argv, void *userdata) { + StatusInfo info = {}; + static const struct bus_properties_map map[] = { + { "Timezone", "s", NULL, offsetof(StatusInfo, timezone) }, + { "LocalRTC", "b", NULL, offsetof(StatusInfo, rtc_local) }, + { "NTP", "b", NULL, offsetof(StatusInfo, ntp_active) }, + { "CanNTP", "b", NULL, offsetof(StatusInfo, ntp_capable) }, + { "NTPSynchronized", "b", NULL, offsetof(StatusInfo, ntp_synced) }, + { "TimeUSec", "t", NULL, offsetof(StatusInfo, time) }, + { "RTCTimeUSec", "t", NULL, offsetof(StatusInfo, rtc_time) }, + {} + }; + + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; + sd_bus *bus = ASSERT_PTR(userdata); + int r; + + r = bus_map_all_properties(bus, + "org.freedesktop.timedate1", + "/org/freedesktop/timedate1", + map, + BUS_MAP_BOOLEAN_AS_BOOL, + &error, + &m, + &info); + if (r < 0) + return log_error_errno(r, "Failed to query server: %s", bus_error_message(&error, r)); + + return print_status_info(&info); +} + +static int show_properties(int argc, char **argv, void *userdata) { + sd_bus *bus = ASSERT_PTR(userdata); + int r; + + r = bus_print_all_properties(bus, + "org.freedesktop.timedate1", + "/org/freedesktop/timedate1", + NULL, + arg_property, + arg_print_flags, + NULL); + if (r < 0) + return bus_log_parse_error(r); + + return 0; +} + +static int set_time(int argc, char **argv, void *userdata) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + bool relative = false, interactive = arg_ask_password; + sd_bus *bus = userdata; + usec_t t; + int r; + + polkit_agent_open_if_enabled(arg_transport, arg_ask_password); + + r = parse_timestamp(argv[1], &t); + if (r < 0) + return log_error_errno(r, "Failed to parse time specification '%s': %m", argv[1]); + + r = bus_call_method( + bus, + bus_timedate, + "SetTime", + &error, + NULL, + "xbb", (int64_t) t, relative, interactive); + if (r < 0) + return log_error_errno(r, "Failed to set time: %s", bus_error_message(&error, r)); + + return 0; +} + +static int set_timezone(int argc, char **argv, void *userdata) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus *bus = userdata; + int r; + + polkit_agent_open_if_enabled(arg_transport, arg_ask_password); + + r = bus_call_method(bus, bus_timedate, "SetTimezone", &error, NULL, "sb", argv[1], arg_ask_password); + if (r < 0) + return log_error_errno(r, "Failed to set time zone: %s", bus_error_message(&error, r)); + + return 0; +} + +static int set_local_rtc(int argc, char **argv, void *userdata) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus *bus = userdata; + int r, b; + + polkit_agent_open_if_enabled(arg_transport, arg_ask_password); + + b = parse_boolean(argv[1]); + if (b < 0) + return log_error_errno(b, "Failed to parse local RTC setting '%s': %m", argv[1]); + + r = bus_call_method( + bus, + bus_timedate, + "SetLocalRTC", + &error, + NULL, + "bbb", b, arg_adjust_system_clock, arg_ask_password); + if (r < 0) + return log_error_errno(r, "Failed to set local RTC: %s", bus_error_message(&error, r)); + + return 0; +} + +static int set_ntp(int argc, char **argv, void *userdata) { + _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus *bus = userdata; + int b, r; + + polkit_agent_open_if_enabled(arg_transport, arg_ask_password); + + b = parse_boolean(argv[1]); + if (b < 0) + return log_error_errno(b, "Failed to parse NTP setting '%s': %m", argv[1]); + + r = bus_message_new_method_call(bus, &m, bus_timedate, "SetNTP"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append(m, "bb", b, arg_ask_password); + if (r < 0) + return bus_log_create_error(r); + + /* Reloading the daemon may take long, hence set a longer timeout here */ + r = sd_bus_call(bus, m, DAEMON_RELOAD_TIMEOUT_SEC, &error, NULL); + if (r < 0) + return log_error_errno(r, "Failed to set ntp: %s", bus_error_message(&error, r)); + + return 0; +} + +static int list_timezones(int argc, char **argv, void *userdata) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus *bus = userdata; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + int r; + _cleanup_strv_free_ char **zones = NULL; + + r = bus_call_method(bus, bus_timedate, "ListTimezones", &error, &reply, NULL); + if (r < 0) + return log_error_errno(r, "Failed to request list of time zones: %s", + bus_error_message(&error, r)); + + r = sd_bus_message_read_strv(reply, &zones); + if (r < 0) + return bus_log_parse_error(r); + + pager_open(arg_pager_flags); + strv_print(zones); + + return 0; +} + +typedef struct NTPStatusInfo { + const char *server_name; + char *server_address; + usec_t poll_interval, poll_max, poll_min; + usec_t root_distance_max; + + uint32_t leap, version, mode, stratum; + int32_t precision; + usec_t root_delay, root_dispersion; + union { + char str[5]; + uint32_t val; + } reference; + usec_t origin, recv, trans, dest; + + bool spike; + uint64_t packet_count; + usec_t jitter; + + int64_t freq; +} NTPStatusInfo; + +static void ntp_status_info_clear(NTPStatusInfo *p) { + p->server_address = mfree(p->server_address); +} + +static const char * const ntp_leap_table[4] = { + [0] = "normal", + [1] = "last minute of the day has 61 seconds", + [2] = "last minute of the day has 59 seconds", + [3] = "not synchronized", +}; + +DISABLE_WARNING_TYPE_LIMITS; +DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(ntp_leap, uint32_t); +REENABLE_WARNING; + +static int print_ntp_status_info(NTPStatusInfo *i) { + usec_t delay, t14, t23, offset, root_distance; + _cleanup_(table_unrefp) Table *table = NULL; + bool offset_sign; + TableCell *cell; + int r; + + assert(i); + + table = table_new_vertical(); + if (!table) + return log_oom(); + + assert_se(cell = table_get_cell(table, 0, 0)); + (void) table_set_ellipsize_percent(table, cell, 100); + + assert_se(cell = table_get_cell(table, 0, 1)); + (void) table_set_ellipsize_percent(table, cell, 100); + + /* + * "Timestamp Name ID When Generated + * ------------------------------------------------------------ + * Originate Timestamp T1 time request sent by client + * Receive Timestamp T2 time request received by server + * Transmit Timestamp T3 time reply sent by server + * Destination Timestamp T4 time reply received by client + * + * The round-trip delay, d, and system clock offset, t, are defined as: + * d = (T4 - T1) - (T3 - T2) t = ((T2 - T1) + (T3 - T4)) / 2" + */ + + r = table_add_cell(table, NULL, TABLE_FIELD, "Server"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%s (%s)", strna(i->server_address), strna(i->server_name)); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell(table, NULL, TABLE_FIELD, "Poll interval"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%s (min: %s; max %s)", + FORMAT_TIMESPAN(i->poll_interval, 0), + FORMAT_TIMESPAN(i->poll_min, 0), + FORMAT_TIMESPAN(i->poll_max, 0)); + if (r < 0) + return table_log_add_error(r); + + if (i->packet_count == 0) { + r = table_add_many(table, + TABLE_FIELD, "Packet count", + TABLE_STRING, "0"); + if (r < 0) + return table_log_add_error(r); + + r = table_print(table, NULL); + if (r < 0) + return table_log_print_error(r); + + return 0; + } + + if (i->dest < i->origin || i->trans < i->recv || i->dest - i->origin < i->trans - i->recv) { + log_error("Invalid NTP response"); + r = table_print(table, NULL); + if (r < 0) + return table_log_print_error(r); + + return 0; + } + + delay = (i->dest - i->origin) - (i->trans - i->recv); + + t14 = i->origin + i->dest; + t23 = i->recv + i->trans; + offset_sign = t14 < t23; + offset = (offset_sign ? t23 - t14 : t14 - t23) / 2; + + root_distance = i->root_delay / 2 + i->root_dispersion; + + r = table_add_many(table, + TABLE_FIELD, "Leap", + TABLE_STRING, ntp_leap_to_string(i->leap), + TABLE_FIELD, "Version", + TABLE_UINT32, i->version, + TABLE_FIELD, "Stratum", + TABLE_UINT32, i->stratum, + TABLE_FIELD, "Reference"); + if (r < 0) + return table_log_add_error(r); + + if (i->stratum <= 1) + r = table_add_cell(table, NULL, TABLE_STRING, i->reference.str); + else + r = table_add_cell_stringf(table, NULL, "%" PRIX32, be32toh(i->reference.val)); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell(table, NULL, TABLE_FIELD, "Precision"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%s (%" PRIi32 ")", + FORMAT_TIMESPAN(DIV_ROUND_UP((nsec_t) (exp2(i->precision) * NSEC_PER_SEC), NSEC_PER_USEC), 0), + i->precision); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell(table, NULL, TABLE_FIELD, "Root distance"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%s (max: %s)", + FORMAT_TIMESPAN(root_distance, 0), + FORMAT_TIMESPAN(i->root_distance_max, 0)); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell(table, NULL, TABLE_FIELD, "Offset"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%s%s", + offset_sign ? "+" : "-", + FORMAT_TIMESPAN(offset, 0)); + if (r < 0) + return table_log_add_error(r); + + r = table_add_many(table, + TABLE_FIELD, "Delay", + TABLE_STRING, FORMAT_TIMESPAN(delay, 0), + TABLE_FIELD, "Jitter", + TABLE_STRING, FORMAT_TIMESPAN(i->jitter, 0), + TABLE_FIELD, "Packet count", + TABLE_UINT64, i->packet_count); + if (r < 0) + return table_log_add_error(r); + + if (!i->spike) { + r = table_add_cell(table, NULL, TABLE_FIELD, "Frequency"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%+.3fppm", (double) i->freq / 0x10000); + if (r < 0) + return table_log_add_error(r); + } + + r = table_print(table, NULL); + if (r < 0) + return table_log_print_error(r); + + return 0; +} + +static int map_server_address(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { + char **p = (char **) userdata; + const void *d; + int family, r; + size_t sz; + + assert(p); + + r = sd_bus_message_enter_container(m, 'r', "iay"); + if (r < 0) + return r; + + r = sd_bus_message_read(m, "i", &family); + if (r < 0) + return r; + + r = sd_bus_message_read_array(m, 'y', &d, &sz); + if (r < 0) + return r; + + r = sd_bus_message_exit_container(m); + if (r < 0) + return r; + + if (sz == 0 && family == AF_UNSPEC) { + *p = mfree(*p); + return 0; + } + + if (!IN_SET(family, AF_INET, AF_INET6)) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Unknown address family %i", family); + + if (sz != FAMILY_ADDRESS_SIZE(family)) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Invalid address size"); + + r = in_addr_to_string(family, d, p); + if (r < 0) + return r; + + return 0; +} + +static int map_ntp_message(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { + NTPStatusInfo *p = ASSERT_PTR(userdata); + const void *d; + size_t sz; + int32_t b; + int r; + + r = sd_bus_message_enter_container(m, 'r', "uuuuittayttttbtt"); + if (r < 0) + return r; + + r = sd_bus_message_read(m, "uuuuitt", + &p->leap, &p->version, &p->mode, &p->stratum, &p->precision, + &p->root_delay, &p->root_dispersion); + if (r < 0) + return r; + + r = sd_bus_message_read_array(m, 'y', &d, &sz); + if (r < 0) + return r; + + r = sd_bus_message_read(m, "ttttbtt", + &p->origin, &p->recv, &p->trans, &p->dest, + &b, &p->packet_count, &p->jitter); + if (r < 0) + return r; + + r = sd_bus_message_exit_container(m); + if (r < 0) + return r; + + if (sz != 4) + return -EINVAL; + + memcpy(p->reference.str, d, sz); + + p->spike = b; + + return 0; +} + +static int show_timesync_status_once(sd_bus *bus) { + static const struct bus_properties_map map_timesync[] = { + { "ServerName", "s", NULL, offsetof(NTPStatusInfo, server_name) }, + { "ServerAddress", "(iay)", map_server_address, offsetof(NTPStatusInfo, server_address) }, + { "PollIntervalUSec", "t", NULL, offsetof(NTPStatusInfo, poll_interval) }, + { "PollIntervalMinUSec", "t", NULL, offsetof(NTPStatusInfo, poll_min) }, + { "PollIntervalMaxUSec", "t", NULL, offsetof(NTPStatusInfo, poll_max) }, + { "RootDistanceMaxUSec", "t", NULL, offsetof(NTPStatusInfo, root_distance_max) }, + { "NTPMessage", "(uuuuittayttttbtt)", map_ntp_message, 0 }, + { "Frequency", "x", NULL, offsetof(NTPStatusInfo, freq) }, + {} + }; + _cleanup_(ntp_status_info_clear) NTPStatusInfo info = {}; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; + int r; + + assert(bus); + + r = bus_map_all_properties(bus, + "org.freedesktop.timesync1", + "/org/freedesktop/timesync1", + map_timesync, + BUS_MAP_BOOLEAN_AS_BOOL, + &error, + &m, + &info); + if (r < 0) + return log_error_errno(r, "Failed to query server: %s", bus_error_message(&error, r)); + + if (arg_monitor && !terminal_is_dumb()) + fputs(ANSI_HOME_CLEAR, stdout); + + print_ntp_status_info(&info); + + return 0; +} + +static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) { + const char *name; + int r; + + assert(m); + + r = sd_bus_message_read(m, "s", &name); + if (r < 0) + return bus_log_parse_error(r); + + if (!streq_ptr(name, "org.freedesktop.timesync1.Manager")) + return 0; + + return show_timesync_status_once(sd_bus_message_get_bus(m)); +} + +static int show_timesync_status(int argc, char **argv, void *userdata) { + _cleanup_(sd_event_unrefp) sd_event *event = NULL; + sd_bus *bus = ASSERT_PTR(userdata); + int r; + + r = show_timesync_status_once(bus); + if (r < 0) + return r; + + if (!arg_monitor) + return 0; + + r = sd_event_default(&event); + if (r < 0) + return log_error_errno(r, "Failed to get event loop: %m"); + + r = sd_bus_match_signal(bus, + NULL, + "org.freedesktop.timesync1", + "/org/freedesktop/timesync1", + "org.freedesktop.DBus.Properties", + "PropertiesChanged", + on_properties_changed, NULL); + if (r < 0) + return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m"); + + r = sd_bus_attach_event(bus, event, SD_EVENT_PRIORITY_NORMAL); + if (r < 0) + return log_error_errno(r, "Failed to attach bus to event loop: %m"); + + r = sd_event_loop(event); + if (r < 0) + return log_error_errno(r, "Failed to run event loop: %m"); + + return 0; +} + +static int print_timesync_property(const char *name, const char *expected_value, sd_bus_message *m, BusPrintPropertyFlags flags) { + char type; + const char *contents; + int r; + + assert(name); + assert(m); + + r = sd_bus_message_peek_type(m, &type, &contents); + if (r < 0) + return r; + + switch (type) { + + case SD_BUS_TYPE_STRUCT: + if (streq(name, "NTPMessage")) { + _cleanup_(ntp_status_info_clear) NTPStatusInfo i = {}; + + r = map_ntp_message(NULL, NULL, m, NULL, &i); + if (r < 0) + return r; + + if (i.packet_count == 0) + return 1; + + if (!FLAGS_SET(flags, BUS_PRINT_PROPERTY_ONLY_VALUE)) { + fputs(name, stdout); + fputc('=', stdout); + } + + printf("{ Leap=%u, Version=%u, Mode=%u, Stratum=%u, Precision=%i,", + i.leap, i.version, i.mode, i.stratum, i.precision); + printf(" RootDelay=%s,", FORMAT_TIMESPAN(i.root_delay, 0)); + printf(" RootDispersion=%s,", FORMAT_TIMESPAN(i.root_dispersion, 0)); + + if (i.stratum == 1) + printf(" Reference=%s,", i.reference.str); + else + printf(" Reference=%" PRIX32 ",", be32toh(i.reference.val)); + + printf(" OriginateTimestamp=%s,", FORMAT_TIMESTAMP(i.origin)); + printf(" ReceiveTimestamp=%s,", FORMAT_TIMESTAMP(i.recv)); + printf(" TransmitTimestamp=%s,", FORMAT_TIMESTAMP(i.trans)); + printf(" DestinationTimestamp=%s,", FORMAT_TIMESTAMP(i.dest)); + printf(" Ignored=%s, PacketCount=%" PRIu64 ",", + yes_no(i.spike), i.packet_count); + printf(" Jitter=%s }\n", FORMAT_TIMESPAN(i.jitter, 0)); + + return 1; + + } else if (streq(name, "ServerAddress")) { + _cleanup_free_ char *str = NULL; + + r = map_server_address(NULL, NULL, m, NULL, &str); + if (r < 0) + return r; + + bus_print_property_value(name, expected_value, flags, str); + + return 1; + } + break; + } + + return 0; +} + +static int show_timesync(int argc, char **argv, void *userdata) { + sd_bus *bus = ASSERT_PTR(userdata); + int r; + + r = bus_print_all_properties(bus, + "org.freedesktop.timesync1", + "/org/freedesktop/timesync1", + print_timesync_property, + arg_property, + arg_print_flags, + NULL); + if (r < 0) + return bus_log_parse_error(r); + + return 0; +} + +static int parse_ifindex_bus(sd_bus *bus, const char *str) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + int32_t i; + int r; + + assert(bus); + assert(str); + + r = parse_ifindex(str); + if (r > 0) + return r; + assert(r < 0); + + r = bus_call_method(bus, bus_network_mgr, "GetLinkByName", &error, &reply, "s", str); + if (r < 0) + return log_error_errno(r, "Failed to get ifindex of interfaces %s: %s", str, bus_error_message(&error, r)); + + r = sd_bus_message_read(reply, "io", &i, NULL); + if (r < 0) + return bus_log_create_error(r); + + return i; +} + +static int verb_ntp_servers(int argc, char **argv, void *userdata) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL; + sd_bus *bus = ASSERT_PTR(userdata); + int ifindex, r; + + ifindex = parse_ifindex_bus(bus, argv[1]); + if (ifindex < 0) + return ifindex; + + polkit_agent_open_if_enabled(arg_transport, arg_ask_password); + + r = bus_message_new_method_call(bus, &req, bus_network_mgr, "SetLinkNTP"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append(req, "i", ifindex); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_strv(req, argv + 2); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_call(bus, req, 0, &error, NULL); + if (r < 0) + return log_error_errno(r, "Failed to set NTP servers: %s", bus_error_message(&error, r)); + + return 0; +} + +static int verb_revert(int argc, char **argv, void *userdata) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus *bus = ASSERT_PTR(userdata); + int ifindex, r; + + ifindex = parse_ifindex_bus(bus, argv[1]); + if (ifindex < 0) + return ifindex; + + polkit_agent_open_if_enabled(arg_transport, arg_ask_password); + + r = bus_call_method(bus, bus_network_mgr, "RevertLinkNTP", &error, NULL, "i", ifindex); + if (r < 0) + return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r)); + + return 0; +} + +static int help(void) { + _cleanup_free_ char *link = NULL; + int r; + + r = terminal_urlify_man("timedatectl", "1", &link); + if (r < 0) + return log_oom(); + + printf("%s [OPTIONS...] COMMAND ...\n" + "\n%sQuery or change system time and date settings.%s\n" + "\nCommands:\n" + " status Show current time settings\n" + " show Show properties of systemd-timedated\n" + " set-time TIME Set system time\n" + " set-timezone ZONE Set system time zone\n" + " list-timezones Show known time zones\n" + " set-local-rtc BOOL Control whether RTC is in local time\n" + " set-ntp BOOL Enable or disable network time synchronization\n" + "\nsystemd-timesyncd Commands:\n" + " timesync-status Show status of systemd-timesyncd\n" + " show-timesync Show properties of systemd-timesyncd\n" + " ntp-servers INTERFACE SERVER…\n" + " Set the interface specific NTP servers\n" + " revert INTERFACE Revert the interface specific NTP servers\n" + "\nOptions:\n" + " -h --help Show this help message\n" + " --version Show package version\n" + " --no-pager Do not pipe output into a pager\n" + " --no-ask-password Do not prompt for password\n" + " -H --host=[USER@]HOST Operate on remote host\n" + " -M --machine=CONTAINER Operate on local container\n" + " --adjust-system-clock Adjust system clock when changing local RTC mode\n" + " --monitor Monitor status of systemd-timesyncd\n" + " -p --property=NAME Show only properties by this name\n" + " -a --all Show all properties, including empty ones\n" + " --value When showing properties, only print the value\n" + "\nSee the %s for details.\n", + program_invocation_short_name, + ansi_highlight(), + ansi_normal(), + link); + + return 0; +} + +static int verb_help(int argc, char **argv, void *userdata) { + return help(); +} + +static int parse_argv(int argc, char *argv[]) { + + enum { + ARG_VERSION = 0x100, + ARG_NO_PAGER, + ARG_ADJUST_SYSTEM_CLOCK, + ARG_NO_ASK_PASSWORD, + ARG_MONITOR, + ARG_VALUE, + }; + + static const struct option options[] = { + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, ARG_VERSION }, + { "no-pager", no_argument, NULL, ARG_NO_PAGER }, + { "host", required_argument, NULL, 'H' }, + { "machine", required_argument, NULL, 'M' }, + { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, + { "adjust-system-clock", no_argument, NULL, ARG_ADJUST_SYSTEM_CLOCK }, + { "monitor", no_argument, NULL, ARG_MONITOR }, + { "property", required_argument, NULL, 'p' }, + { "all", no_argument, NULL, 'a' }, + { "value", no_argument, NULL, ARG_VALUE }, + {} + }; + + int c, r; + + assert(argc >= 0); + assert(argv); + + while ((c = getopt_long(argc, argv, "hH:M:p:a", options, NULL)) >= 0) + + switch (c) { + + case 'h': + return help(); + + case ARG_VERSION: + return version(); + + case 'H': + arg_transport = BUS_TRANSPORT_REMOTE; + arg_host = optarg; + break; + + case 'M': + arg_transport = BUS_TRANSPORT_MACHINE; + arg_host = optarg; + break; + + case ARG_NO_ASK_PASSWORD: + arg_ask_password = false; + break; + + case ARG_ADJUST_SYSTEM_CLOCK: + arg_adjust_system_clock = true; + break; + + case ARG_NO_PAGER: + arg_pager_flags |= PAGER_DISABLE; + break; + + case ARG_MONITOR: + arg_monitor = true; + break; + + case 'p': { + r = strv_extend(&arg_property, optarg); + if (r < 0) + return log_oom(); + + /* If the user asked for a particular + * property, show it to them, even if it is + * empty. */ + SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true); + break; + } + + case 'a': + SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true); + break; + + case ARG_VALUE: + SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true); + break; + + case '?': + return -EINVAL; + + default: + assert_not_reached(); + } + + return 1; +} + +static int timedatectl_main(sd_bus *bus, int argc, char *argv[]) { + static const Verb verbs[] = { + { "status", VERB_ANY, 1, VERB_DEFAULT, show_status }, + { "show", VERB_ANY, 1, 0, show_properties }, + { "set-time", 2, 2, 0, set_time }, + { "set-timezone", 2, 2, 0, set_timezone }, + { "list-timezones", VERB_ANY, 1, 0, list_timezones }, + { "set-local-rtc", 2, 2, 0, set_local_rtc }, + { "set-ntp", 2, 2, 0, set_ntp }, + { "timesync-status", VERB_ANY, 1, 0, show_timesync_status }, + { "show-timesync", VERB_ANY, 1, 0, show_timesync }, + { "ntp-servers", 3, VERB_ANY, 0, verb_ntp_servers }, + { "revert", 2, 2, 0, verb_revert }, + { "help", VERB_ANY, VERB_ANY, 0, verb_help }, /* Not documented, but supported since it is created. */ + {} + }; + + return dispatch_verb(argc, argv, verbs, bus); +} + +static int run(int argc, char *argv[]) { + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + int r; + + setlocale(LC_ALL, ""); + log_setup(); + + r = parse_argv(argc, argv); + if (r <= 0) + return r; + + r = bus_connect_transport(arg_transport, arg_host, RUNTIME_SCOPE_SYSTEM, &bus); + if (r < 0) + return bus_log_connect_error(r, arg_transport); + + return timedatectl_main(bus, argc, argv); +} + +DEFINE_MAIN_FUNCTION(run); |