X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Ftimedate%2Ftimedated.c;h=0d4a9dd7e21230a02df7b9e3ba303cf0432fa4b5;hp=c4a797acc97e4360ff36a512cf4765baa54fc6cf;hb=eef8df097db0bf29c8e42e532e3bc06775a6cad4;hpb=6f285378aa6e4b5b23c939d1fea16f9ab0a57efb diff --git a/src/timedate/timedated.c b/src/timedate/timedated.c index c4a797acc..0d4a9dd7e 100644 --- a/src/timedate/timedated.c +++ b/src/timedate/timedated.c @@ -23,7 +23,6 @@ #include #include -#include "sd-id128.h" #include "sd-messages.h" #include "sd-event.h" #include "sd-bus.h" @@ -31,88 +30,36 @@ #include "util.h" #include "strv.h" #include "def.h" -#include "hwclock.h" -#include "conf-files.h" +#include "clock-util.h" #include "path-util.h" #include "fileio-label.h" -#include "label.h" #include "bus-util.h" +#include "bus-error.h" +#include "bus-common-errors.h" #include "event-util.h" +#include "selinux-util.h" #define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n" #define NULL_ADJTIME_LOCAL "0.0 0 0\n0\nLOCAL\n" +static BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map timedated_errors[] = { + SD_BUS_ERROR_MAP("org.freedesktop.timedate1.NoNTPSupport", EOPNOTSUPP), + SD_BUS_ERROR_MAP_END +}; + typedef struct Context { char *zone; bool local_rtc; - unsigned can_ntp; - unsigned use_ntp; + bool can_ntp; + bool use_ntp; Hashmap *polkit_registry; } Context; -static void context_reset(Context *c) { +static void context_free(Context *c) { assert(c); free(c->zone); - c->zone = NULL; - - c->local_rtc = false; - c->can_ntp = c->use_ntp = -1; -} - -static void context_free(Context *c, sd_bus *bus) { - assert(c); - - context_reset(c); - bus_verify_polkit_async_registry_free(bus, c->polkit_registry); -} - -static bool valid_timezone(const char *name) { - const char *p; - char *t; - bool slash = false; - int r; - struct stat st; - - assert(name); - - if (*name == '/' || *name == 0) - return false; - - for (p = name; *p; p++) { - if (!(*p >= '0' && *p <= '9') && - !(*p >= 'a' && *p <= 'z') && - !(*p >= 'A' && *p <= 'Z') && - !(*p == '-' || *p == '_' || *p == '+' || *p == '/')) - return false; - - if (*p == '/') { - - if (slash) - return false; - - slash = true; - } else - slash = false; - } - - if (slash) - return false; - - t = strappend("/usr/share/zoneinfo/", name); - if (!t) - return false; - - r = stat(t, &st); - free(t); - - if (r < 0) - return false; - - if (!S_ISREG(st.st_mode)) - return false; - - return true; + bus_verify_polkit_async_registry_free(c->polkit_registry); } static int context_read_data(Context *c) { @@ -121,14 +68,12 @@ static int context_read_data(Context *c) { assert(c); - context_reset(c); - r = readlink_malloc("/etc/localtime", &t); if (r < 0) { if (r == -EINVAL) - log_warning("/etc/localtime should be a symbolic link to a timezone data file in /usr/share/zoneinfo/."); + log_warning("/etc/localtime should be a symbolic link to a time zone data file in /usr/share/zoneinfo/."); else - log_warning("Failed to get target of /etc/localtime: %s", strerror(-r)); + log_warning_errno(r, "Failed to get target of /etc/localtime: %m"); } else { const char *e; @@ -137,7 +82,7 @@ static int context_read_data(Context *c) { e = path_startswith(t, "../usr/share/zoneinfo/"); if (!e) - log_warning("/etc/localtime should be a symbolic link to a timezone data file in /usr/share/zoneinfo/."); + log_warning("/etc/localtime should be a symbolic link to a time zone data file in /usr/share/zoneinfo/."); else { c->zone = strdup(e); if (!c->zone) @@ -153,7 +98,7 @@ have_timezone: c->zone = NULL; } - c->local_rtc = hwclock_is_localtime() > 0; + c->local_rtc = clock_is_localtime() > 0; return 0; } @@ -234,222 +179,129 @@ static int context_write_data_local_rtc(Context *c) { } } - label_init("/etc"); + mac_selinux_init("/etc"); return write_string_file_atomic_label("/etc/adjtime", w); } -static char** get_ntp_services(void) { - _cleanup_strv_free_ char **r = NULL, **files = NULL; - char **i; - int k; - - k = conf_files_list(&files, ".list", NULL, - "/etc/systemd/ntp-units.d", - "/run/systemd/ntp-units.d", - "/usr/local/lib/systemd/ntp-units.d", - "/usr/lib/systemd/ntp-units.d", - NULL); - if (k < 0) - return NULL; - - STRV_FOREACH(i, files) { - _cleanup_fclose_ FILE *f; - - f = fopen(*i, "re"); - if (!f) - continue; - - for (;;) { - char line[PATH_MAX], *l; - - if (!fgets(line, sizeof(line), f)) { - - if (ferror(f)) - log_error("Failed to read NTP units file: %m"); - - break; - } - - l = strstrip(line); - if (l[0] == 0 || l[0] == '#') - continue; - - if (strv_extend(&r, l) < 0) { - log_oom(); - return NULL; - } - } - } - - i = r; - r = NULL; /* avoid cleanup */ - - return strv_uniq(i); -} - static int context_read_ntp(Context *c, sd_bus *bus) { - _cleanup_strv_free_ char **l; - char **i; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus_message *reply = NULL; + const char *s; int r; assert(c); assert(bus); - l = get_ntp_services(); - STRV_FOREACH(i, l) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - sd_bus_message *reply = NULL; - const char *s; + r = sd_bus_call_method( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "GetUnitFileState", + &error, + &reply, + "s", + "systemd-timesyncd.service"); - r = sd_bus_call_method( - bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "GetUnitFileState", - &error, - &reply, - "s", - *i); - - if (r < 0) { - /* This implementation does not exist, try next one */ - if (sd_bus_error_has_name(&error, SD_BUS_ERROR_FILE_NOT_FOUND)) - continue; - - return r; - } - - r = sd_bus_message_read(reply, "s", &s); - if (r < 0) - return r; - - c->can_ntp = 1; - c->use_ntp = - streq(s, "enabled") || - streq(s, "enabled-runtime"); + if (r < 0) { + if (sd_bus_error_has_name(&error, SD_BUS_ERROR_FILE_NOT_FOUND) || + sd_bus_error_has_name(&error, "org.freedesktop.systemd1.LoadFailed") || + sd_bus_error_has_name(&error, "org.freedesktop.systemd1.NoSuchUnit")) + return 0; - return 0; + return r; } - /* NTP is not installed. */ - c->can_ntp = 0; - c->use_ntp = 0; + r = sd_bus_message_read(reply, "s", &s); + if (r < 0) + return r; + + c->can_ntp = true; + c->use_ntp = STR_IN_SET(s, "enabled", "enabled-runtime"); return 0; } -static int context_start_ntp(Context *c, sd_bus *bus, sd_bus_error *error) { - _cleanup_strv_free_ char **l = NULL; - char **i; +static int context_start_ntp(sd_bus *bus, sd_bus_error *error, bool enabled) { int r; - assert(c); assert(bus); assert(error); - l = get_ntp_services(); - STRV_FOREACH(i, l) { - - if (c->use_ntp) - r = sd_bus_call_method( - bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartUnit", - error, - NULL, - "ss", *i, "replace"); - else - r = sd_bus_call_method( - bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StopUnit", - error, - NULL, - "ss", *i, "replace"); - - if (r < 0) { - if (sd_bus_error_has_name(error, SD_BUS_ERROR_FILE_NOT_FOUND) || - sd_bus_error_has_name(error, "org.freedesktop.systemd1.LoadFailed") || - sd_bus_error_has_name(error, "org.freedesktop.systemd1.NoSuchUnit")) { - /* This implementation does not exist, try next one */ - sd_bus_error_free(error); - continue; - } - - return r; - } + r = sd_bus_call_method( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + enabled ? "StartUnit" : "StopUnit", + error, + NULL, + "ss", + "systemd-timesyncd.service", + "replace"); + if (r < 0) { + if (sd_bus_error_has_name(error, SD_BUS_ERROR_FILE_NOT_FOUND) || + sd_bus_error_has_name(error, "org.freedesktop.systemd1.LoadFailed") || + sd_bus_error_has_name(error, "org.freedesktop.systemd1.NoSuchUnit")) + return sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported."); - return 1; + return r; } - sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported."); - return -ENOTSUP; + return 0; } -static int context_enable_ntp(Context*c, sd_bus *bus, sd_bus_error *error) { - _cleanup_strv_free_ char **l = NULL; - char **i; +static int context_enable_ntp(sd_bus *bus, sd_bus_error *error, bool enabled) { int r; - assert(c); assert(bus); assert(error); - l = get_ntp_services(); - STRV_FOREACH(i, l) { - if (c->use_ntp) - r = sd_bus_call_method( - bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "EnableUnitFiles", - error, - NULL, - "asbb", 1, *i, false, true); - else - r = sd_bus_call_method( - bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "DisableUnitFiles", - error, - NULL, - "asb", 1, *i, false); - - if (r < 0) { - if (sd_bus_error_has_name(error, SD_BUS_ERROR_FILE_NOT_FOUND)) { - /* This implementation does not exist, try next one */ - sd_bus_error_free(error); - continue; - } - - return r; - } - + if (enabled) r = sd_bus_call_method( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", - "Reload", + "EnableUnitFiles", error, NULL, - NULL); - if (r < 0) - return r; + "asbb", 1, + "systemd-timesyncd.service", + false, true); + else + r = sd_bus_call_method( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "DisableUnitFiles", + error, + NULL, + "asb", 1, + "systemd-timesyncd.service", + false); - return 1; + if (r < 0) { + if (sd_bus_error_has_name(error, SD_BUS_ERROR_FILE_NOT_FOUND)) + return sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported."); + + return r; } - sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported."); - return -ENOTSUP; + r = sd_bus_call_method( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "Reload", + error, + NULL, + NULL); + if (r < 0) + return r; + + return 0; } static int property_get_rtc_time( @@ -466,12 +318,12 @@ static int property_get_rtc_time( int r; zero(tm); - r = hwclock_get_time(&tm); + r = clock_get_hwclock(&tm); if (r == -EBUSY) { - log_warning("/dev/rtc is busy, is somebody keeping it open continuously? That's not a good idea... Returning a bogus RTC timestamp."); + log_warning("/dev/rtc is busy. Is somebody keeping it open continuously? That's not a good idea... Returning a bogus RTC timestamp."); t = 0; } else if (r == -ENOENT) { - log_debug("Not /dev/rtc found."); + log_debug("/dev/rtc not found."); t = 0; /* no RTC found */ } else if (r < 0) return sd_bus_error_set_errnof(error, r, "Failed to read RTC: %s", strerror(-r)); @@ -520,13 +372,20 @@ static int method_set_timezone(sd_bus *bus, sd_bus_message *m, void *userdata, s if (r < 0) return r; - if (!valid_timezone(z)) + if (!timezone_is_valid(z)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid time zone '%s'", z); if (streq_ptr(z, c->zone)) return sd_bus_reply_method_return(m, NULL); - r = bus_verify_polkit_async(bus, &c->polkit_registry, m, "org.freedesktop.timedate1.set-timezone", interactive, error, method_set_timezone, c); + r = bus_verify_polkit_async( + m, + CAP_SYS_TIME, + "org.freedesktop.timedate1.set-timezone", + interactive, + UID_INVALID, + &c->polkit_registry, + error); if (r < 0) return r; if (r == 0) @@ -542,12 +401,12 @@ static int method_set_timezone(sd_bus *bus, sd_bus_message *m, void *userdata, s /* 1. Write new configuration file */ r = context_write_data_timezone(c); if (r < 0) { - log_error("Failed to set timezone: %s", strerror(-r)); - return sd_bus_error_set_errnof(error, r, "Failed to set timezone: %s", strerror(-r)); + log_error_errno(r, "Failed to set time zone: %m"); + return sd_bus_error_set_errnof(error, r, "Failed to set time zone: %s", strerror(-r)); } /* 2. Tell the kernel our timezone */ - hwclock_set_timezone(NULL); + clock_set_timezone(NULL); if (c->local_rtc) { struct timespec ts; @@ -556,13 +415,13 @@ static int method_set_timezone(sd_bus *bus, sd_bus_message *m, void *userdata, s /* 3. Sync RTC from system clock, with the new delta */ assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0); assert_se(tm = localtime(&ts.tv_sec)); - hwclock_set_time(tm); + clock_set_hwclock(tm); } log_struct(LOG_INFO, - MESSAGE_ID(SD_MESSAGE_TIMEZONE_CHANGE), + LOG_MESSAGE_ID(SD_MESSAGE_TIMEZONE_CHANGE), "TIMEZONE=%s", c->zone, - "MESSAGE=Changed timezone to '%s'.", c->zone, + LOG_MESSAGE("Changed time zone to '%s'.", c->zone), NULL); sd_bus_emit_properties_changed(bus, "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "Timezone", NULL); @@ -587,7 +446,14 @@ static int method_set_local_rtc(sd_bus *bus, sd_bus_message *m, void *userdata, if (lrtc == c->local_rtc) return sd_bus_reply_method_return(m, NULL); - r = bus_verify_polkit_async(bus, &c->polkit_registry, m, "org.freedesktop.timedate1.set-local-rtc", interactive, error, method_set_local_rtc, c); + r = bus_verify_polkit_async( + m, + CAP_SYS_TIME, + "org.freedesktop.timedate1.set-local-rtc", + interactive, + UID_INVALID, + &c->polkit_registry, + error); if (r < 0) return r; if (r == 0) @@ -598,12 +464,12 @@ static int method_set_local_rtc(sd_bus *bus, sd_bus_message *m, void *userdata, /* 1. Write new configuration file */ r = context_write_data_local_rtc(c); if (r < 0) { - log_error("Failed to set RTC to local/UTC: %s", strerror(-r)); + log_error_errno(r, "Failed to set RTC to local/UTC: %m"); return sd_bus_error_set_errnof(error, r, "Failed to set RTC to local/UTC: %s", strerror(-r)); } /* 2. Tell the kernel our timezone */ - hwclock_set_timezone(NULL); + clock_set_timezone(NULL); /* 3. Synchronize clocks */ assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0); @@ -622,7 +488,7 @@ static int method_set_local_rtc(sd_bus *bus, sd_bus_message *m, void *userdata, /* Override the main fields of * struct tm, but not the timezone * fields */ - if (hwclock_get_time(&tm) >= 0) { + if (clock_get_hwclock(&tm) >= 0) { /* And set the system clock * with this */ @@ -643,7 +509,7 @@ static int method_set_local_rtc(sd_bus *bus, sd_bus_message *m, void *userdata, else tm = gmtime(&ts.tv_sec); - hwclock_set_time(tm); + clock_set_hwclock(tm); } log_info("RTC configured to %s time.", c->local_rtc ? "local" : "UTC"); @@ -658,6 +524,7 @@ static int method_set_time(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu Context *c = userdata; int64_t utc; struct timespec ts; + usec_t start; struct tm* tm; int r; @@ -665,6 +532,12 @@ static int method_set_time(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu assert(m); assert(c); + if (c->use_ntp) + return sd_bus_error_setf(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Automatic time synchronization is enabled"); + + /* this only gets used if dbus does not provide a timestamp */ + start = now(CLOCK_MONOTONIC); + r = sd_bus_message_read(m, "xbb", &utc, &relative, &interactive); if (r < 0) return r; @@ -689,15 +562,30 @@ static int method_set_time(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu } else timespec_store(&ts, (usec_t) utc); - r = bus_verify_polkit_async(bus, &c->polkit_registry, m, "org.freedesktop.timedate1.set-time", interactive, error, method_set_time, c); + r = bus_verify_polkit_async( + m, + CAP_SYS_TIME, + "org.freedesktop.timedate1.set-time", + interactive, + UID_INVALID, + &c->polkit_registry, + error); if (r < 0) return r; if (r == 0) return 1; + /* adjust ts for time spent in program */ + r = sd_bus_message_get_monotonic_usec(m, &start); + /* when sd_bus_message_get_monotonic_usec() returns -ENODATA it does not modify &start */ + if (r < 0 && r != -ENODATA) + return r; + + timespec_store(&ts, timespec_load(&ts) + (now(CLOCK_MONOTONIC) - start)); + /* Set system clock */ if (clock_settime(CLOCK_REALTIME, &ts) < 0) { - log_error("Failed to set local time: %m"); + log_error_errno(errno, "Failed to set local time: %m"); return sd_bus_error_set_errnof(error, errno, "Failed to set local time: %m"); } @@ -706,61 +594,64 @@ static int method_set_time(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu tm = localtime(&ts.tv_sec); else tm = gmtime(&ts.tv_sec); - - hwclock_set_time(tm); + clock_set_hwclock(tm); log_struct(LOG_INFO, - MESSAGE_ID(SD_MESSAGE_TIME_CHANGE), - "REALTIME=%llu", (unsigned long long) timespec_load(&ts), - "MESSAGE=Changed local time to %s", ctime(&ts.tv_sec), + LOG_MESSAGE_ID(SD_MESSAGE_TIME_CHANGE), + "REALTIME="USEC_FMT, timespec_load(&ts), + LOG_MESSAGE("Changed local time to %s", ctime(&ts.tv_sec)), NULL); return sd_bus_reply_method_return(m, NULL); } static int method_set_ntp(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) { - int ntp, interactive; + int enabled, interactive; Context *c = userdata; int r; - r = sd_bus_message_read(m, "bb", &ntp, &interactive); + r = sd_bus_message_read(m, "bb", &enabled, &interactive); if (r < 0) return r; - if ((bool)ntp == c->use_ntp) + if ((bool)enabled == c->use_ntp) return sd_bus_reply_method_return(m, NULL); - r = bus_verify_polkit_async(bus, &c->polkit_registry, m, "org.freedesktop.timedate1.set-ntp", interactive, error, method_set_ntp, c); + r = bus_verify_polkit_async( + m, + CAP_SYS_TIME, + "org.freedesktop.timedate1.set-ntp", + interactive, + UID_INVALID, + &c->polkit_registry, + error); if (r < 0) return r; if (r == 0) return 1; - c->use_ntp = ntp; - - r = context_enable_ntp(c, bus, error); + r = context_enable_ntp(bus, error, enabled); if (r < 0) return r; - r = context_start_ntp(c, bus, error); + r = context_start_ntp(bus, error, enabled); if (r < 0) return r; - log_info("Set NTP to %s", c->use_ntp ? "enabled" : "disabled"); + c->use_ntp = enabled; + log_info("Set NTP to %s", enabled ? "enabled" : "disabled"); sd_bus_emit_properties_changed(bus, "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "NTP", NULL); return sd_bus_reply_method_return(m, NULL); } -#include - static const sd_bus_vtable timedate_vtable[] = { SD_BUS_VTABLE_START(0), SD_BUS_PROPERTY("Timezone", "s", NULL, offsetof(Context, zone), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), - SD_BUS_PROPERTY("LocalRTC", "b", NULL, offsetof(Context, local_rtc), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), - SD_BUS_PROPERTY("CanNTP", "b", bus_property_get_tristate, offsetof(Context, can_ntp), 0), - SD_BUS_PROPERTY("NTP", "b", bus_property_get_tristate, offsetof(Context, use_ntp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("LocalRTC", "b", bus_property_get_bool, offsetof(Context, local_rtc), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("CanNTP", "b", bus_property_get_bool, offsetof(Context, can_ntp), 0), + SD_BUS_PROPERTY("NTP", "b", bus_property_get_bool, offsetof(Context, use_ntp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), SD_BUS_PROPERTY("NTPSynchronized", "b", property_get_ntp_sync, 0, 0), SD_BUS_PROPERTY("TimeUSec", "t", property_get_time, 0, 0), SD_BUS_PROPERTY("RTCTimeUSec", "t", property_get_rtc_time, 0, 0), @@ -772,7 +663,7 @@ static const sd_bus_vtable timedate_vtable[] = { }; static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { - _cleanup_bus_unref_ sd_bus *bus = NULL; + _cleanup_bus_close_unref_ sd_bus *bus = NULL; int r; assert(c); @@ -780,28 +671,20 @@ static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { assert(_bus); r = sd_bus_default_system(&bus); - if (r < 0) { - log_error("Failed to get system bus connection: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Failed to get system bus connection: %m"); - r = sd_bus_add_object_vtable(bus, "/org/freedesktop/timedate1", "org.freedesktop.timedate1", timedate_vtable, c); - if (r < 0) { - log_error("Failed to register object: %s", strerror(-r)); - return r; - } + r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/timedate1", "org.freedesktop.timedate1", timedate_vtable, c); + if (r < 0) + return log_error_errno(r, "Failed to register object: %m"); r = sd_bus_request_name(bus, "org.freedesktop.timedate1", 0); - if (r < 0) { - log_error("Failed to register name: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Failed to register name: %m"); r = sd_bus_attach_event(bus, event, 0); - if (r < 0) { - log_error("Failed to attach bus to event loop: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Failed to attach bus to event loop: %m"); *_bus = bus; bus = NULL; @@ -810,15 +693,9 @@ static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { } int main(int argc, char *argv[]) { - Context context = { - .zone = NULL, - .local_rtc = false, - .can_ntp = -1, - .use_ntp = -1, - }; - + Context context = {}; _cleanup_event_unref_ sd_event *event = NULL; - _cleanup_bus_unref_ sd_bus *bus = NULL; + _cleanup_bus_close_unref_ sd_bus *bus = NULL; int r; log_set_target(LOG_TARGET_AUTO); @@ -835,7 +712,7 @@ int main(int argc, char *argv[]) { r = sd_event_default(&event); if (r < 0) { - log_error("Failed to allocate event loop: %s", strerror(-r)); + log_error_errno(r, "Failed to allocate event loop: %m"); goto finish; } @@ -845,26 +722,28 @@ int main(int argc, char *argv[]) { if (r < 0) goto finish; + (void) sd_bus_negotiate_timestamp(bus, true); + r = context_read_data(&context); if (r < 0) { - log_error("Failed to read timezone data: %s", strerror(-r)); + log_error_errno(r, "Failed to read time zone data: %m"); goto finish; } r = context_read_ntp(&context, bus); if (r < 0) { - log_error("Failed to determine whether NTP is enabled: %s", strerror(-r)); + log_error_errno(r, "Failed to determine whether NTP is enabled: %m"); goto finish; } r = bus_event_loop_with_idle(event, bus, "org.freedesktop.timedate1", DEFAULT_EXIT_USEC, NULL, NULL); if (r < 0) { - log_error("Failed to run event loop: %s", strerror(-r)); + log_error_errno(r, "Failed to run event loop: %m"); goto finish; } finish: - context_free(&context, bus); + context_free(&context); return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }