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-rw-r--r--src/timedate/org.freedesktop.timedate1.conf27
-rw-r--r--src/timedate/org.freedesktop.timedate1.policy.in61
-rw-r--r--src/timedate/org.freedesktop.timedate1.service12
-rw-r--r--src/timedate/timedated.c911
4 files changed, 1011 insertions, 0 deletions
diff --git a/src/timedate/org.freedesktop.timedate1.conf b/src/timedate/org.freedesktop.timedate1.conf
new file mode 100644
index 0000000000..c9c221b644
--- /dev/null
+++ b/src/timedate/org.freedesktop.timedate1.conf
@@ -0,0 +1,27 @@
+<?xml version="1.0"?> <!--*-nxml-*-->
+<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
+ "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+
+<!--
+ This file is part of systemd.
+
+ 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.
+-->
+
+<busconfig>
+
+ <policy user="root">
+ <allow own="org.freedesktop.timedate1"/>
+ <allow send_destination="org.freedesktop.timedate1"/>
+ <allow receive_sender="org.freedesktop.timedate1"/>
+ </policy>
+
+ <policy context="default">
+ <allow send_destination="org.freedesktop.timedate1"/>
+ <allow receive_sender="org.freedesktop.timedate1"/>
+ </policy>
+
+</busconfig>
diff --git a/src/timedate/org.freedesktop.timedate1.policy.in b/src/timedate/org.freedesktop.timedate1.policy.in
new file mode 100644
index 0000000000..3d9c2081d6
--- /dev/null
+++ b/src/timedate/org.freedesktop.timedate1.policy.in
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?> <!--*-nxml-*-->
+<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
+ "http://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd">
+
+<!--
+ This file is part of systemd.
+
+ 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.
+-->
+
+<policyconfig>
+
+ <vendor>The systemd Project</vendor>
+ <vendor_url>http://www.freedesktop.org/wiki/Software/systemd</vendor_url>
+
+ <action id="org.freedesktop.timedate1.set-time">
+ <_description>Set system time</_description>
+ <_message>Authentication is required to set the system time.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.timedate1.set-timezone">
+ <_description>Set system timezone</_description>
+ <_message>Authentication is required to set the system timezone.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.timedate1.set-local-rtc">
+ <_description>Set RTC to local timezone or UTC</_description>
+ <_message>Authentication is required to control whether
+ the RTC stores the local or UTC time.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.timedate1.set-ntp">
+ <_description>Turn network time synchronization on or off</_description>
+ <_message>Authentication is required to control whether
+ network time synchronization shall be enabled.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+</policyconfig>
diff --git a/src/timedate/org.freedesktop.timedate1.service b/src/timedate/org.freedesktop.timedate1.service
new file mode 100644
index 0000000000..c3120b66cb
--- /dev/null
+++ b/src/timedate/org.freedesktop.timedate1.service
@@ -0,0 +1,12 @@
+# This file is part of systemd.
+#
+# 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.
+
+[D-BUS Service]
+Name=org.freedesktop.timedate1
+Exec=/bin/false
+User=root
+SystemdService=dbus-org.freedesktop.timedate1.service
diff --git a/src/timedate/timedated.c b/src/timedate/timedated.c
new file mode 100644
index 0000000000..16f54b59d2
--- /dev/null
+++ b/src/timedate/timedated.c
@@ -0,0 +1,911 @@
+/*-*- 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;
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-09 12:32:15 +0000