Initial commit
This commit is contained in:
Eugene Wissner
commit
4b59879690
3
compile.bash
Executable file
3
compile.bash
Executable file
@ -0,0 +1,3 @@
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#/bin/bash
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cc `pkg-config --cflags --libs gio-unix-2.0 dbus-1` -g -o slack-timedate slack-timedate.c
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27
org.freedesktop.timedate1.conf
Normal file
27
org.freedesktop.timedate1.conf
Normal file
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<?xml version="1.0"?> <!--*-nxml-*-->
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<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
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"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
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<!--
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This file is part of systemd.
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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-->
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<busconfig>
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<policy user="root">
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<allow own="org.freedesktop.timedate1"/>
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<allow send_destination="org.freedesktop.timedate1"/>
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<allow receive_sender="org.freedesktop.timedate1"/>
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</policy>
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<policy context="default">
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<allow send_destination="org.freedesktop.timedate1"/>
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<allow receive_sender="org.freedesktop.timedate1"/>
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</policy>
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</busconfig>
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4
org.freedesktop.timedate1.service
Normal file
4
org.freedesktop.timedate1.service
Normal file
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[D-BUS Service]
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Name=org.freedesktop.timedate1
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Exec=/usr/libexec/slack-timedate
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User=root
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27
org.freedesktop.timedate1.xml
Normal file
27
org.freedesktop.timedate1.xml
Normal file
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<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
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"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
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<node>
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<interface name="org.freedesktop.timedate1">
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<property name="Timezone" type="s" access="read"/>
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<property name="LocalRTC" type="b" access="read"/>
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<property name="NTP" type="b" access="read"/>
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<method name="SetTime">
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<arg name="usec_utc" type="x" direction="in"/>
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<arg name="relative" type="b" direction="in"/>
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<arg name="user_interaction" type="b" direction="in"/>
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</method>
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<method name="SetTimezone">
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<arg name="timezone" type="s" direction="in"/>
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<arg name="user_interaction" type="b" direction="in"/>
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</method>
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<method name="SetLocalRTC">
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<arg name="local_rtc" type="b" direction="in"/>
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<arg name="fix_system" type="b" direction="in"/>
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<arg name="user_interaction" type="b" direction="in"/>
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</method>
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<method name="SetNTP">
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<arg name="use_ntp" type="b" direction="in"/>
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<arg name="user_interaction" type="b" direction="in"/>
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</method>
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</interface>
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</node>
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269
slack-timedate.c
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269
slack-timedate.c
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/*
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* Copyright (C) 2013 Eugene Wissner <belka.ew@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <gio/gio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include "slack-timedate.h"
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static void slack_method_call (GDBusConnection *connection, const gchar *sender, const gchar *object_path, const gchar *interface_name, const gchar *method_name, GVariant *parameters, GDBusMethodInvocation *invocation, gpointer user_data) {
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gchar *timezone, *response;
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gboolean user_interaction, relative, is_localtime, use_ntp;
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gint64 usec_utc;
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// Set time zone
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if (g_strcmp0 (method_name, "SetTimezone") == 0) {
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g_variant_get (parameters, "(&sb)", &timezone, &user_interaction);
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if (slack_set_timezone (timezone)) g_dbus_method_invocation_return_value (invocation,
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NULL);
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else g_dbus_method_invocation_return_error (invocation,
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G_IO_ERROR,
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G_IO_ERROR_FAILED,
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"Write operation failed");
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g_free (timezone);
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} else if (g_strcmp0 (method_name, "SetTime") == 0) {
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g_variant_get (parameters, "(xbb)", &usec_utc, &relative, &user_interaction);
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// Set time
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//if (!slack_set_time (usec_utc, slack_get_is_localtime ())) {
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if (slack_set_time (usec_utc)) g_dbus_method_invocation_return_value (invocation,
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NULL);
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else g_dbus_method_invocation_return_error (invocation,
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G_IO_ERROR,
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G_IO_ERROR_FAILED,
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"Failed to set system clock");
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} else if (g_strcmp0 (method_name, "SetNTP") == 0) {
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g_variant_get (parameters, "(bb)", &use_ntp, &user_interaction);
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// Enable NTP
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if (slack_set_ntp (use_ntp)) g_dbus_method_invocation_return_value (invocation,
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NULL);
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else g_dbus_method_invocation_return_error (invocation,
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G_IO_ERROR,
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G_IO_ERROR_FAILED,
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"Error enabling NTP");
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}
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return ;
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}
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static GVariant *slack_get_property (GDBusConnection *connection, const gchar *sender, const gchar *object_path, const gchar *interface_name, const gchar *prop_name, GError **slack_err, gpointer user_data) {
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if (g_strcmp0 ("Timezone", prop_name) == 0) {
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return g_variant_new_string (slack_get_timezone ());
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} if (g_strcmp0 ("LocalRTC", prop_name) == 0) {
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return g_variant_new_boolean (slack_get_is_localtime ());
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} if (g_strcmp0 ("NTP", prop_name) == 0) {
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return g_variant_new_boolean (slack_get_ntp ());
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}
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return NULL;
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}
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static void on_timedate_acquired (GDBusConnection *connection, const gchar *name, gpointer user_data) {
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guint registration_id;
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GDBusNodeInfo *introspection_data;
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GError *slack_err;
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const GDBusInterfaceVTable interface_vtable = {
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slack_method_call,
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slack_get_property,
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NULL
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};
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slack_err = NULL;
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introspection_data = g_dbus_node_info_new_for_xml (INTROSPECTION_XML, &slack_err);
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if (introspection_data == NULL)
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g_error ("Failed to parse D-Bus introspection XML: %s\n", slack_err->message);
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slack_err = NULL;
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registration_id = g_dbus_connection_register_object (connection,
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BUS_PATH,
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introspection_data->interfaces[0],
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&interface_vtable,
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NULL,
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NULL,
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&slack_err);
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if (registration_id <= 0) {
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g_critical ("Failed to register callbacks for the exported object with the D-Bus interface: %s\n", slack_err->message);
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g_error_free (slack_err);
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}
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g_dbus_node_info_unref (introspection_data);
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}
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static void on_timedate_lost (GDBusConnection *connection, const gchar *name, gpointer user_data) {
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g_warning ("Failed to acquire the service %s.\n", name);
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exit (1);
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}
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gboolean timeout_callback (gpointer loop2quit) {
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g_main_loop_quit ((GMainLoop *)loop2quit);
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return FALSE;
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}
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int main (int argc, char **argv) {
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guint owner_id;
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GMainLoop *loop;
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g_type_init ();
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owner_id = g_bus_own_name (G_BUS_TYPE_SYSTEM,
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BUS_NAME,
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G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
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G_BUS_NAME_OWNER_FLAGS_REPLACE,
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on_timedate_acquired,
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NULL,
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on_timedate_lost,
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NULL,
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NULL);
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loop = g_main_loop_new (NULL, FALSE);
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g_timeout_add_seconds (DEFAULT_EXIT_SEC, timeout_callback , loop);
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g_main_loop_run (loop);
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g_bus_unown_name (owner_id);
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return EXIT_SUCCESS;
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}
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gchar *slack_get_timezone () {
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gchar *zone_copied_from, *zone;
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zone_copied_from = g_file_read_link ("/etc/localtime-copied-from", NULL);
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if (zone_copied_from == NULL) return NULL;
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zone = g_strdup (zone_copied_from + strlen ("/usr/share/zoneinfo/") * sizeof (gchar));
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g_free (zone_copied_from);
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return zone;
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}
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gboolean slack_set_timezone (gchar *zone) {
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gchar *zone_file;
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GFile *etc_localtime, *localtime_link, *g_zone_file;
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zone_file = g_strconcat ("/usr/share/zoneinfo/", zone, NULL);
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if (g_file_test (zone_file, G_FILE_TEST_IS_REGULAR)) {
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etc_localtime = g_file_new_for_path ("/etc/localtime");
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localtime_link = g_file_new_for_path ("/etc/localtime-copied-from");
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g_zone_file = g_file_new_for_path (zone_file);
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if (!g_file_copy (g_zone_file, etc_localtime, G_FILE_COPY_OVERWRITE, NULL, NULL, NULL, NULL)) {
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return FALSE;
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}
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if (!g_file_delete (localtime_link, NULL, NULL)) {
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return FALSE;
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}
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if (!g_file_make_symbolic_link (localtime_link, zone_file, NULL, NULL)) {
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return FALSE;
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}
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g_free (zone_file);
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g_object_unref (etc_localtime);
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g_object_unref (localtime_link);
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g_object_unref (g_zone_file);
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} else {
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return FALSE;
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}
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return TRUE;
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}
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gboolean slack_set_time (gint64 seconds_since_epoch) {
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struct timespec ts;
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/* gint exit_status;
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gboolean spawn_status;
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gchar *cmd;*/
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// Set system clock
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ts.tv_sec = (time_t) (seconds_since_epoch / USEC_PER_SEC);
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ts.tv_nsec = 0;
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if (clock_settime (CLOCK_REALTIME, &ts)) {
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return FALSE;
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}
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// Don't save the system time to the hardware clock. The saving takes much
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// time. Anyway it is saved automatically on shutdown.
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/* Set hardware clock
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if (!g_file_test ("/sbin/hwclock", G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR | G_FILE_TEST_IS_EXECUTABLE)) {
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return FALSE;
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}
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cmd = g_strdup_printf ("/sbin/hwclock %s --systohc", is_localtime ? "--localtime" : "-u");
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spawn_status = g_spawn_command_line_sync (cmd, NULL, NULL, &exit_status, NULL);
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g_free (cmd);
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if ((WEXITSTATUS (exit_status) != 0) || !spawn_status) {
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return FALSE;
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}*/
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return TRUE;
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}
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gboolean slack_get_is_localtime () {
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FILE *fh;
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char time_str[10]; // "localtime" is longer than "UTC" and has 9 letters + \0
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gboolean is_localtime;
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is_localtime = FALSE;
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fh = fopen ("/etc/hardwareclock", "r");
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if (fh == NULL) return FALSE;
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while (fgets (time_str, 10, fh)) {
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if (!g_strcmp0 (time_str, "localtime")) {
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is_localtime = TRUE;
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break;
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}
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}
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fclose (fh);
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return is_localtime;
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}
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gboolean slack_get_ntp () {
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if (g_file_test ("/etc/rc.d/rc.ntpd", G_FILE_TEST_IS_EXECUTABLE))
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return TRUE;
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else return FALSE;
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}
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gboolean slack_set_ntp (gboolean xntp) {
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mode_t rc_mode;
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rc_mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
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if (xntp) {
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rc_mode |= S_IXUSR | S_IXGRP | S_IXOTH;
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g_message ("Please don't forget to configure the NTP daemon");
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/* It doesn't matter if fails.
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* The ntpdate command is considered obsolete, but "orthodox" ntpd -g
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* will fail if your system clock is off for more than half an hour. */
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g_spawn_command_line_async ("/usr/sbin/ntpdate pool.ntp.org", NULL);
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}
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if (g_file_test ("/etc/rc.d/rc.ntpd", G_FILE_TEST_IS_REGULAR)) {
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if (chmod ("/etc/rc.d/rc.ntpd", rc_mode)) return FALSE;
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else return TRUE;
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} else {
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g_error ("The NTP daemon isn't installed");
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return FALSE;
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}
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}
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75
slack-timedate.h
Normal file
75
slack-timedate.h
Normal file
@ -0,0 +1,75 @@
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/*
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* Copyright (C) 2013 Eugene Wissner <belka.ew@gmail.com>
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||||
*
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||||
* This program 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 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
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*
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*/
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#include <dbus/dbus.h>
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#define BUS_NAME "org.freedesktop.timedate1"
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#define BUS_PATH "/org/freedesktop/timedate1"
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#define BUS_INTERFACE "org.freedesktop.timedate1"
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#define INTROSPECTION_XML DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
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"<node>\n" \
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" <interface name=\"org.freedesktop.timedate1\">\n" \
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" <property name=\"Timezone\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"LocalRTC\" type=\"b\" access=\"read\"/>\n" \
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" <property name=\"NTP\" type=\"b\" access=\"read\"/>\n" \
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" <method name=\"SetTime\">\n" \
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" <arg name=\"usec_utc\" type=\"x\" direction=\"in\"/>\n" \
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" <arg name=\"relative\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"SetTimezone\">\n" \
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" <arg name=\"timezone\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"SetLocalRTC\">\n" \
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" <arg name=\"local_rtc\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"fix_system\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"SetNTP\">\n" \
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" <arg name=\"use_ntp\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
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||||
" </method>\n" \
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||||
" </interface>\n" \
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||||
"</node>\n"
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||||
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||||
#define DEFAULT_EXIT_SEC 300
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#define USEC_PER_SEC 1000000ULL
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||||
|
||||
// Returns the system time zone
|
||||
gchar *slack_get_timezone ();
|
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|
||||
// Sets the system time zone to the one passed by the argument
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||||
// Returns true on success, false otherwise
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gboolean slack_set_timezone (gchar *);
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// Changes the date/time
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// Takes the amount of seconds since UNIX epoche and
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// Returns true on success, false otherwise
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gboolean slack_set_time (gint64);
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//gboolean slack_set_time (gint64, gboolean);
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// Returns if the hardware clock is set to local time or not
|
||||
gboolean slack_get_is_localtime ();
|
||||
|
||||
// Returns if NTP is enabled
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||||
gboolean slack_get_ntp ();
|
||||
|
||||
// Sets NTP
|
||||
gboolean slack_set_ntp (gboolean);
|
||||
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