/* SPDX-License-Identifier: LGPL-2.1+ */ #include "sd-bus.h" #include "alloc-util.h" #include "bus-internal.h" #include "bus-log-control-api.h" #include "bus-protocol.h" #include "bus-util.h" #include "in-addr-util.h" #include "log.h" #include "macro.h" #include "time-util.h" #include "timesyncd-bus.h" static int property_get_servers( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { ServerName *p, **s = userdata; int r; assert(s); assert(bus); assert(reply); r = sd_bus_message_open_container(reply, 'a', "s"); if (r < 0) return r; LIST_FOREACH(names, p, *s) { r = sd_bus_message_append(reply, "s", p->string); if (r < 0) return r; } return sd_bus_message_close_container(reply); } static int property_get_current_server_name( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { ServerName **s = userdata; assert(s); assert(bus); assert(reply); return sd_bus_message_append(reply, "s", *s ? (*s)->string : NULL); } static int property_get_current_server_address( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { ServerAddress *a; int r; assert(bus); assert(reply); assert(userdata); a = *(ServerAddress **) userdata; if (!a) return sd_bus_message_append(reply, "(iay)", AF_UNSPEC, 0); assert(IN_SET(a->sockaddr.sa.sa_family, AF_INET, AF_INET6)); r = sd_bus_message_open_container(reply, 'r', "iay"); if (r < 0) return r; r = sd_bus_message_append(reply, "i", a->sockaddr.sa.sa_family); if (r < 0) return r; r = sd_bus_message_append_array(reply, 'y', a->sockaddr.sa.sa_family == AF_INET ? (void*) &a->sockaddr.in.sin_addr : (void*) &a->sockaddr.in6.sin6_addr, FAMILY_ADDRESS_SIZE(a->sockaddr.sa.sa_family)); if (r < 0) return r; return sd_bus_message_close_container(reply); } static usec_t ntp_ts_short_to_usec(const struct ntp_ts_short *ts) { return be16toh(ts->sec) * USEC_PER_SEC + (be16toh(ts->frac) * USEC_PER_SEC) / (usec_t) 0x10000ULL; } static usec_t ntp_ts_to_usec(const struct ntp_ts *ts) { return (be32toh(ts->sec) - OFFSET_1900_1970) * USEC_PER_SEC + (be32toh(ts->frac) * USEC_PER_SEC) / (usec_t) 0x100000000ULL; } static int property_get_ntp_message( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; assert(m); assert(reply); r = sd_bus_message_open_container(reply, 'r', "uuuuittayttttbtt"); if (r < 0) return r; r = sd_bus_message_append(reply, "uuuuitt", NTP_FIELD_LEAP(m->ntpmsg.field), NTP_FIELD_VERSION(m->ntpmsg.field), NTP_FIELD_MODE(m->ntpmsg.field), m->ntpmsg.stratum, m->ntpmsg.precision, ntp_ts_short_to_usec(&m->ntpmsg.root_delay), ntp_ts_short_to_usec(&m->ntpmsg.root_dispersion)); if (r < 0) return r; r = sd_bus_message_append_array(reply, 'y', m->ntpmsg.refid, 4); if (r < 0) return r; r = sd_bus_message_append(reply, "ttttbtt", timespec_load(&m->origin_time), ntp_ts_to_usec(&m->ntpmsg.recv_time), ntp_ts_to_usec(&m->ntpmsg.trans_time), timespec_load(&m->dest_time), m->spike, m->packet_count, (usec_t) (m->samples_jitter * USEC_PER_SEC)); if (r < 0) return r; return sd_bus_message_close_container(reply); } static const sd_bus_vtable manager_vtable[] = { SD_BUS_VTABLE_START(0), SD_BUS_PROPERTY("LinkNTPServers", "as", property_get_servers, offsetof(Manager, link_servers), 0), SD_BUS_PROPERTY("SystemNTPServers", "as", property_get_servers, offsetof(Manager, system_servers), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("FallbackNTPServers", "as", property_get_servers, offsetof(Manager, fallback_servers), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("ServerName", "s", property_get_current_server_name, offsetof(Manager, current_server_name), 0), SD_BUS_PROPERTY("ServerAddress", "(iay)", property_get_current_server_address, offsetof(Manager, current_server_address), 0), SD_BUS_PROPERTY("RootDistanceMaxUSec", "t", bus_property_get_usec, offsetof(Manager, max_root_distance_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("PollIntervalMinUSec", "t", bus_property_get_usec, offsetof(Manager, poll_interval_min_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("PollIntervalMaxUSec", "t", bus_property_get_usec, offsetof(Manager, poll_interval_max_usec), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_PROPERTY("PollIntervalUSec", "t", bus_property_get_usec, offsetof(Manager, poll_interval_usec), 0), SD_BUS_PROPERTY("NTPMessage", "(uuuuittayttttbtt)", property_get_ntp_message, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("Frequency", "x", NULL, offsetof(Manager, drift_freq), 0), SD_BUS_VTABLE_END }; int manager_connect_bus(Manager *m) { int r; assert(m); if (m->bus) return 0; r = bus_open_system_watch_bind_with_description(&m->bus, "bus-api-timesync"); if (r < 0) return log_error_errno(r, "Failed to connect to bus: %m"); r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/timesync1", "org.freedesktop.timesync1.Manager", manager_vtable, m); if (r < 0) return log_error_errno(r, "Failed to add manager object vtable: %m"); r = bus_log_control_api_register(m->bus); if (r < 0) return r; r = sd_bus_request_name_async(m->bus, NULL, "org.freedesktop.timesync1", 0, NULL, NULL); if (r < 0) return log_error_errno(r, "Failed to request name: %m"); r = sd_bus_attach_event(m->bus, m->event, 0); if (r < 0) return log_error_errno(r, "Failed to attach bus to event loop: %m"); return 0; }