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-rw-r--r--src/timedate/timedatectl.c1039
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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 15:25:25 +0000