+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2011 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <dbus/dbus.h>
-
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "util.h"
-#include "strv.h"
-#include "dbus-common.h"
-#include "polkit.h"
-#include "def.h"
-
-#define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n"
-#define NULL_ADJTIME_LOCAL "0.0 0 0\n0\nLOCAL\n"
-
-#define INTERFACE \
- " <interface name=\"org.freedesktop.timedate1\">\n" \
- " <property name=\"Timezone\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"LocalRTC\" type=\"b\" access=\"read\"/>\n" \
- " <property name=\"NTP\" type=\"b\" access=\"read\"/>\n" \
- " <method name=\"SetTime\">\n" \
- " <arg name=\"usec_utc\" type=\"x\" direction=\"in\"/>\n" \
- " <arg name=\"relative\" type=\"b\" direction=\"in\"/>\n" \
- " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"SetTimezone\">\n" \
- " <arg name=\"timezone\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"SetLocalRTC\">\n" \
- " <arg name=\"local_rtc\" type=\"b\" direction=\"in\"/>\n" \
- " <arg name=\"fix_system\" type=\"b\" direction=\"in\"/>\n" \
- " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"SetNTP\">\n" \
- " <arg name=\"use_ntp\" type=\"b\" direction=\"in\"/>\n" \
- " <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " </interface>\n"
-
-#define INTROSPECTION \
- DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
- "<node>\n" \
- INTERFACE \
- BUS_PROPERTIES_INTERFACE \
- BUS_INTROSPECTABLE_INTERFACE \
- BUS_PEER_INTERFACE \
- "</node>\n"
-
-#define INTERFACES_LIST \
- BUS_GENERIC_INTERFACES_LIST \
- "org.freedesktop.timedate1\0"
-
-const char timedate_interface[] _introspect_("timedate1") = INTERFACE;
-
-static char *zone = NULL;
-static bool local_rtc = false;
-static int use_ntp = -1;
-
-static usec_t remain_until = 0;
-
-static void free_data(void) {
- free(zone);
- zone = NULL;
-
- local_rtc = false;
-}
-
-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;
-}
-
-static void verify_timezone(void) {
- char *p, *a = NULL, *b = NULL;
- size_t l, q;
- int j, k;
-
- if (!zone)
- return;
-
- p = strappend("/usr/share/zoneinfo/", zone);
- if (!p) {
- log_error("Out of memory");
- return;
- }
-
- j = read_full_file("/etc/localtime", &a, &l);
- k = read_full_file(p, &b, &q);
-
- free(p);
-
- if (j < 0 || k < 0 || l != q || memcmp(a, b, l)) {
- log_warning("/etc/localtime and /etc/timezone out of sync.");
- free(zone);
- zone = NULL;
- }
-
- free(a);
- free(b);
-}
-
-static int read_data(void) {
- int r;
-
- free_data();
-
- r = read_one_line_file("/etc/timezone", &zone);
- if (r < 0) {
- if (r != -ENOENT)
- log_warning("Failed to read /etc/timezone: %s", strerror(-r));
-
-#ifdef TARGET_FEDORA
- r = parse_env_file("/etc/sysconfig/clock", NEWLINE,
- "ZONE", &zone,
- NULL);
-
- if (r < 0 && r != -ENOENT)
- log_warning("Failed to read /etc/sysconfig/clock: %s", strerror(-r));
-#endif
- }
-
- if (isempty(zone)) {
- free(zone);
- zone = NULL;
- }
-
- verify_timezone();
-
- local_rtc = hwclock_is_localtime() > 0;
-
- return 0;
-}
-
-static int write_data_timezone(void) {
- int r = 0;
- char *p;
-
- if (!zone) {
- if (unlink("/etc/timezone") < 0 && errno != ENOENT)
- r = -errno;
-
- if (unlink("/etc/localtime") < 0 && errno != ENOENT)
- r = -errno;
-
- return r;
- }
-
- p = strappend("/usr/share/zoneinfo/", zone);
- if (!p) {
- log_error("Out of memory");
- return -ENOMEM;
- }
-
- r = symlink_or_copy_atomic(p, "/etc/localtime");
- free(p);
-
- if (r < 0)
- return r;
-
- r = write_one_line_file_atomic("/etc/timezone", zone);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static int write_data_local_rtc(void) {
- int r;
- char *s, *w;
-
- r = read_full_file("/etc/adjtime", &s, NULL);
- if (r < 0) {
- if (r != -ENOENT)
- return r;
-
- if (!local_rtc)
- return 0;
-
- w = strdup(NULL_ADJTIME_LOCAL);
- if (!w)
- return -ENOMEM;
- } else {
- char *p, *e;
- size_t a, b;
-
- p = strchr(s, '\n');
- if (!p) {
- free(s);
- return -EIO;
- }
-
- p = strchr(p+1, '\n');
- if (!p) {
- free(s);
- return -EIO;
- }
-
- p++;
- e = strchr(p, '\n');
- if (!e) {
- free(s);
- return -EIO;
- }
-
- a = p - s;
- b = strlen(e);
-
- w = new(char, a + (local_rtc ? 5 : 3) + b + 1);
- if (!w) {
- free(s);
- return -ENOMEM;
- }
-
- *(char*) mempcpy(stpcpy(mempcpy(w, s, a), local_rtc ? "LOCAL" : "UTC"), e, b) = 0;
-
- if (streq(w, NULL_ADJTIME_UTC)) {
- free(w);
-
- if (unlink("/etc/adjtime") < 0) {
- if (errno != ENOENT)
- return -errno;
- }
-
- return 0;
- }
- }
-
- r = write_one_line_file_atomic("/etc/adjtime", w);
- free(w);
-
- return r;
-}
-
-static int read_ntp(DBusConnection *bus) {
- DBusMessage *m = NULL, *reply = NULL;
- const char *name = "ntpd.service", *s;
- DBusError error;
- int r;
-
- assert(bus);
-
- dbus_error_init(&error);
-
- m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetUnitFileState");
-
- if (!m) {
- log_error("Out of memory");
- r = -ENOMEM;
- goto finish;
- }
-
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
- goto finish;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- r = -EIO;
- goto finish;
- }
-
- if (!dbus_message_get_args(reply, &error,
- DBUS_TYPE_STRING, &s,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", bus_error_message(&error));
- r = -EIO;
- goto finish;
- }
-
- use_ntp =
- streq(s, "enabled") ||
- streq(s, "enabled-runtime");
- r = 0;
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- dbus_error_free(&error);
-
- return r;
-}
-
-static int start_ntp(DBusConnection *bus, DBusError *error) {
- DBusMessage *m = NULL, *reply = NULL;
- const char *name = "ntpd.service", *mode = "replace";
- int r;
-
- assert(bus);
- assert(error);
-
- m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- use_ntp ? "StartUnit" : "StopUnit");
- if (!m) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
-
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &mode,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
- goto finish;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(error));
- r = -EIO;
- goto finish;
- }
-
- r = 0;
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- return r;
-}
-
-static int enable_ntp(DBusConnection *bus, DBusError *error) {
- DBusMessage *m = NULL, *reply = NULL;
- const char * const names[] = { "ntpd.service", NULL };
- int r;
- DBusMessageIter iter;
- dbus_bool_t f = FALSE, t = TRUE;
-
- assert(bus);
- assert(error);
-
- m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- use_ntp ? "EnableUnitFiles" : "DisableUnitFiles");
-
- if (!m) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
-
- dbus_message_iter_init_append(m, &iter);
-
- r = bus_append_strv_iter(&iter, (char**) names);
- if (r < 0) {
- log_error("Failed to append unit files.");
- goto finish;
- }
- /* send runtime bool */
- if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &f)) {
- log_error("Failed to append runtime boolean.");
- r = -ENOMEM;
- goto finish;
- }
-
- if (use_ntp) {
- /* send force bool */
- if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &t)) {
- log_error("Failed to append force boolean.");
- r = -ENOMEM;
- goto finish;
- }
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(error));
- r = -EIO;
- goto finish;
- }
-
- dbus_message_unref(m);
- m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "Reload");
- if (!m) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
-
- dbus_message_unref(reply);
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(error));
- r = -EIO;
- goto finish;
- }
-
- r = 0;
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- return r;
-}
-
-static int property_append_ntp(DBusMessageIter *i, const char *property, void *data) {
- dbus_bool_t db;
-
- assert(i);
- assert(property);
-
- db = use_ntp > 0;
-
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &db))
- return -ENOMEM;
-
- return 0;
-}
-
-static DBusHandlerResult timedate_message_handler(
- DBusConnection *connection,
- DBusMessage *message,
- void *userdata) {
-
- const BusProperty properties[] = {
- { "org.freedesktop.timedate1", "Timezone", bus_property_append_string, "s", zone },
- { "org.freedesktop.timedate1", "LocalRTC", bus_property_append_bool, "b", &local_rtc },
- { "org.freedesktop.timedate1", "NTP", property_append_ntp, "b", NULL },
- { NULL, NULL, NULL, NULL, NULL }
- };
-
- DBusMessage *reply = NULL, *changed = NULL;
- DBusError error;
- int r;
-
- assert(connection);
- assert(message);
-
- dbus_error_init(&error);
-
- if (dbus_message_is_method_call(message, "org.freedesktop.timedate1", "SetTimezone")) {
- const char *z;
- dbus_bool_t interactive;
-
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &z,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- if (!valid_timezone(z))
- return bus_send_error_reply(connection, message, NULL, -EINVAL);
-
- if (!streq_ptr(z, zone)) {
- char *t;
-
- r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-timezone", interactive, &error);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- t = strdup(z);
- if (!t)
- goto oom;
-
- free(zone);
- zone = t;
-
- /* 1. Write new configuration file */
- r = write_data_timezone();
- if (r < 0) {
- log_error("Failed to set timezone: %s", strerror(-r));
- return bus_send_error_reply(connection, message, NULL, r);
- }
-
- if (local_rtc) {
- struct timespec ts;
- struct tm *tm;
-
- /* 2. Teach kernel new timezone */
- hwclock_apply_localtime_delta(NULL);
-
- /* 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);
- }
-
- log_info("Changed timezone to '%s'.", zone);
-
- changed = bus_properties_changed_new(
- "/org/freedesktop/timedate1",
- "org.freedesktop.timedate1",
- "Timezone\0");
- if (!changed)
- goto oom;
- }
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.timedate1", "SetLocalRTC")) {
- dbus_bool_t lrtc;
- dbus_bool_t fix_system;
- dbus_bool_t interactive;
-
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_BOOLEAN, &lrtc,
- DBUS_TYPE_BOOLEAN, &fix_system,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- if (lrtc != local_rtc) {
- struct timespec ts;
-
- r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-local-rtc", interactive, &error);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- local_rtc = lrtc;
-
- /* 1. Write new configuration file */
- r = write_data_local_rtc();
- if (r < 0) {
- log_error("Failed to set RTC to local/UTC: %s", strerror(-r));
- return bus_send_error_reply(connection, message, NULL, r);
- }
-
- /* 2. Teach kernel new timezone */
- if (local_rtc)
- hwclock_apply_localtime_delta(NULL);
- else
- hwclock_reset_localtime_delta();
-
- /* 3. Synchronize clocks */
- assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0);
-
- if (fix_system) {
- struct tm tm;
-
- /* Sync system clock from RTC; first,
- * initialize the timezone fields of
- * struct tm. */
- if (local_rtc)
- tm = *localtime(&ts.tv_sec);
- else
- tm = *gmtime(&ts.tv_sec);
-
- /* Override the main fields of
- * struct tm, but not the timezone
- * fields */
- if (hwclock_get_time(&tm) >= 0) {
-
- /* And set the system clock
- * with this */
- if (local_rtc)
- ts.tv_sec = mktime(&tm);
- else
- ts.tv_sec = timegm(&tm);
-
- clock_settime(CLOCK_REALTIME, &ts);
- }
-
- } else {
- struct tm *tm;
-
- /* Sync RTC from system clock */
- if (local_rtc)
- tm = localtime(&ts.tv_sec);
- else
- tm = gmtime(&ts.tv_sec);
-
- hwclock_set_time(tm);
- }
-
- log_info("RTC configured to %s time.", local_rtc ? "local" : "UTC");
-
- changed = bus_properties_changed_new(
- "/org/freedesktop/timedate1",
- "org.freedesktop.timedate1",
- "LocalRTC\0");
- if (!changed)
- goto oom;
- }
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.timedate1", "SetTime")) {
- int64_t utc;
- dbus_bool_t relative;
- dbus_bool_t interactive;
-
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_INT64, &utc,
- DBUS_TYPE_BOOLEAN, &relative,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- if (!relative && utc <= 0)
- return bus_send_error_reply(connection, message, NULL, -EINVAL);
-
- if (!relative || utc != 0) {
- struct timespec ts;
- struct tm* tm;
-
- r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-time", interactive, &error);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- if (relative)
- timespec_store(&ts, now(CLOCK_REALTIME) + utc);
- else
- timespec_store(&ts, utc);
-
- /* Set system clock */
- if (clock_settime(CLOCK_REALTIME, &ts) < 0) {
- log_error("Failed to set local time: %m");
- return bus_send_error_reply(connection, message, NULL, -errno);
- }
-
- /* Sync down to RTC */
- if (local_rtc)
- tm = localtime(&ts.tv_sec);
- else
- tm = gmtime(&ts.tv_sec);
-
- hwclock_set_time(tm);
-
- log_info("Changed local time to %s", ctime(&ts.tv_sec));
- }
- } else if (dbus_message_is_method_call(message, "org.freedesktop.timedate1", "SetNTP")) {
- dbus_bool_t ntp;
- dbus_bool_t interactive;
-
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_BOOLEAN, &ntp,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- if (ntp != !!use_ntp) {
-
- r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-ntp", interactive, &error);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- use_ntp = !!ntp;
-
- r = enable_ntp(connection, &error);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- r = start_ntp(connection, &error);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- log_info("Set NTP to %s", use_ntp ? "enabled" : "disabled");
-
- changed = bus_properties_changed_new(
- "/org/freedesktop/timedate1",
- "org.freedesktop.timedate1",
- "NTP\0");
- if (!changed)
- goto oom;
- }
-
- } else
- return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, properties);
-
- if (!(reply = dbus_message_new_method_return(message)))
- goto oom;
-
- if (!dbus_connection_send(connection, reply, NULL))
- goto oom;
-
- dbus_message_unref(reply);
- reply = NULL;
-
- if (changed) {
-
- if (!dbus_connection_send(connection, changed, NULL))
- goto oom;
-
- dbus_message_unref(changed);
- }
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
-oom:
- if (reply)
- dbus_message_unref(reply);
-
- if (changed)
- dbus_message_unref(changed);
-
- dbus_error_free(&error);
-
- return DBUS_HANDLER_RESULT_NEED_MEMORY;
-}
-
-static int connect_bus(DBusConnection **_bus) {
- static const DBusObjectPathVTable timedate_vtable = {
- .message_function = timedate_message_handler
- };
- DBusError error;
- DBusConnection *bus = NULL;
- int r;
-
- assert(_bus);
-
- dbus_error_init(&error);
-
- bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
- if (!bus) {
- log_error("Failed to get system D-Bus connection: %s", bus_error_message(&error));
- r = -ECONNREFUSED;
- goto fail;
- }
-
- dbus_connection_set_exit_on_disconnect(bus, FALSE);
-
- if (!dbus_connection_register_object_path(bus, "/org/freedesktop/timedate1", &timedate_vtable, NULL) ||
- !dbus_connection_add_filter(bus, bus_exit_idle_filter, &remain_until, NULL)) {
- log_error("Not enough memory");
- r = -ENOMEM;
- goto fail;
- }
-
- r = dbus_bus_request_name(bus, "org.freedesktop.timedate1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error);
- if (dbus_error_is_set(&error)) {
- log_error("Failed to register name on bus: %s", bus_error_message(&error));
- r = -EEXIST;
- goto fail;
- }
-
- if (r != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
- log_error("Failed to acquire name.");
- r = -EEXIST;
- goto fail;
- }
-
- if (_bus)
- *_bus = bus;
-
- return 0;
-
-fail:
- dbus_connection_close(bus);
- dbus_connection_unref(bus);
-
- dbus_error_free(&error);
-
- return r;
-}
-
-int main(int argc, char *argv[]) {
- int r;
- DBusConnection *bus = NULL;
- bool exiting = false;
-
- log_set_target(LOG_TARGET_AUTO);
- log_parse_environment();
- log_open();
-
- umask(0022);
-
- if (argc == 2 && streq(argv[1], "--introspect")) {
- fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
- "<node>\n", stdout);
- fputs(timedate_interface, stdout);
- fputs("</node>\n", stdout);
- return 0;
- }
-
- if (argc != 1) {
- log_error("This program takes no arguments.");
- r = -EINVAL;
- goto finish;
- }
-
- r = read_data();
- if (r < 0) {
- log_error("Failed to read timezone data: %s", strerror(-r));
- goto finish;
- }
-
- r = connect_bus(&bus);
- if (r < 0)
- goto finish;
-
- r = read_ntp(bus);
- if (r < 0) {
- log_error("Failed to determine whether NTP is enabled: %s", strerror(-r));
- goto finish;
- }
-
- remain_until = now(CLOCK_MONOTONIC) + DEFAULT_EXIT_USEC;
- for (;;) {
-
- if (!dbus_connection_read_write_dispatch(bus, exiting ? -1 : (int) (DEFAULT_EXIT_USEC/USEC_PER_MSEC)))
- break;
-
- if (!exiting && remain_until < now(CLOCK_MONOTONIC)) {
- exiting = true;
- bus_async_unregister_and_exit(bus, "org.freedesktop.hostname1");
- }
- }
-
- r = 0;
-
-finish:
- free_data();
-
- if (bus) {
- dbus_connection_flush(bus);
- dbus_connection_close(bus);
- dbus_connection_unref(bus);
- }
-
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
~ianmdlvl / elogind.git / blobdiff