| /* 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_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_call_method(bus, bus_timedate, "SetNTP", &error, NULL, "bb", b, arg_ask_password); |
| 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" |
| "\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, false, &bus); |
| if (r < 0) |
| return bus_log_connect_error(r, arg_transport); |
| |
| return timedatectl_main(bus, argc, argv); |
| } |
| |
| DEFINE_MAIN_FUNCTION(run); |
