diff options
Diffstat (limited to 'slack-timedate.cpp')
| -rw-r--r-- | slack-timedate.cpp | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/slack-timedate.cpp b/slack-timedate.cpp deleted file mode 100644 index 3f8b2d8..0000000 --- a/slack-timedate.cpp +++ /dev/null @@ -1,274 +0,0 @@ -/* - * Copyright (C) 2013-2024 Eugen Wissner <belka@caraus.de> - * - * 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/>. - * - */ - -#include <cstring> -#include <filesystem> -#include <fstream> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/time.h> -#include <sys/stat.h> - -#include "slack-timedate.h" - -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) { - gchar *timezone, *response; - gboolean user_interaction, relative, is_localtime, use_ntp; - gint64 usec_utc; - - // Set time zone - if (g_strcmp0 (method_name, "SetTimezone") == 0) { - g_variant_get (parameters, "(&sb)", &timezone, &user_interaction); - - if (slack_set_timezone (timezone)) g_dbus_method_invocation_return_value (invocation, - NULL); - else g_dbus_method_invocation_return_error (invocation, - G_IO_ERROR, - G_IO_ERROR_FAILED, - "Write operation failed"); - - g_free (timezone); - } else if (g_strcmp0 (method_name, "SetTime") == 0) { - g_variant_get (parameters, "(xbb)", &usec_utc, &relative, &user_interaction); - - // Set time - //if (!slack_set_time (usec_utc, slack_get_is_localtime ())) { - if (slack_set_time(usec_utc, relative)) - { - g_dbus_method_invocation_return_value(invocation, NULL); - } - else - { - g_dbus_method_invocation_return_error(invocation, G_IO_ERROR, G_IO_ERROR_FAILED, - "Failed to set system clock"); - } - } else if (g_strcmp0 (method_name, "SetNTP") == 0) { - g_variant_get (parameters, "(bb)", &use_ntp, &user_interaction); - - // Enable NTP - if (slack_set_ntp (use_ntp)) g_dbus_method_invocation_return_value (invocation, - NULL); - else g_dbus_method_invocation_return_error (invocation, - G_IO_ERROR, - G_IO_ERROR_FAILED, - "Error enabling NTP"); - } - return; -} - -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) { - if (g_strcmp0 ("Timezone", prop_name) == 0) { - return g_variant_new_string (slack_get_timezone ()); - } if (g_strcmp0 ("LocalRTC", prop_name) == 0) { - return g_variant_new_boolean (slack_get_is_localtime ()); - } if (g_strcmp0 ("NTP", prop_name) == 0) { - return g_variant_new_boolean (slack_get_ntp ()); - } - return NULL; -} - -static void on_timedate_acquired (GDBusConnection *connection, const gchar *name, gpointer user_data) { - guint registration_id; - GDBusNodeInfo *introspection_data; - GError *slack_err; - const GDBusInterfaceVTable interface_vtable = { - slack_method_call, - slack_get_property, - NULL - }; - - slack_err = NULL; - introspection_data = g_dbus_node_info_new_for_xml (INTROSPECTION_XML, &slack_err); - if (introspection_data == NULL) - g_error ("Failed to parse D-Bus introspection XML: %s\n", slack_err->message); - - slack_err = NULL; - registration_id = g_dbus_connection_register_object (connection, - BUS_PATH, - introspection_data->interfaces[0], - &interface_vtable, - NULL, - NULL, - &slack_err); - - if (registration_id <= 0) { - g_critical ("Failed to register callbacks for the exported object with the D-Bus interface: %s\n", slack_err->message); - g_error_free (slack_err); - } - - g_dbus_node_info_unref (introspection_data); -} - -static void on_timedate_lost (GDBusConnection *connection, const gchar *name, gpointer user_data) { - g_warning ("Failed to acquire the service %s.\n", name); - exit (1); -} - -gboolean timeout_callback (Glib::RefPtr<Glib::MainLoop> loop2quit) { - loop2quit->quit(); - return false; -} - -int main(int argc, char **argv) -{ - guint owner_id = g_bus_own_name (G_BUS_TYPE_SYSTEM, - BUS_NAME, - static_cast<GBusNameOwnerFlags>(G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT | G_BUS_NAME_OWNER_FLAGS_REPLACE), - on_timedate_acquired, - NULL, - on_timedate_lost, - NULL, - NULL); - Glib::RefPtr<Glib::MainLoop> loop = Glib::MainLoop::create(false); - - Glib::signal_timeout().connect_seconds(sigc::bind(&timeout_callback, loop), DEFAULT_EXIT_SEC); - loop->run(); - - g_bus_unown_name (owner_id); - - return EXIT_SUCCESS; -} - - -gchar *slack_get_timezone () { - gchar *zone_copied_from, *zone; - - zone_copied_from = g_file_read_link ("/etc/localtime-copied-from", NULL); - if (zone_copied_from == NULL) return NULL; - - zone = g_strdup (zone_copied_from + strlen ("/usr/share/zoneinfo/") * sizeof (gchar)); - g_free (zone_copied_from); - - return zone; -} - -gboolean slack_set_timezone (gchar *zone) { - gchar *zone_file; - GFile *etc_localtime, *localtime_link, *g_zone_file; - - zone_file = g_strconcat ("/usr/share/zoneinfo/", zone, NULL); - if (Glib::file_test(zone_file, Glib::FILE_TEST_IS_REGULAR)) - { - etc_localtime = g_file_new_for_path ("/etc/localtime"); - localtime_link = g_file_new_for_path ("/etc/localtime-copied-from"); - g_zone_file = g_file_new_for_path (zone_file); - - if (!g_file_copy (g_zone_file, etc_localtime, G_FILE_COPY_OVERWRITE, NULL, NULL, NULL, NULL)) { - return FALSE; - } - - if (!g_file_delete (localtime_link, NULL, NULL)) { - return FALSE; - } - if (!g_file_make_symbolic_link (localtime_link, zone_file, NULL, NULL)) { - return FALSE; - } - - g_free (zone_file); - g_object_unref (etc_localtime); - g_object_unref (localtime_link); - g_object_unref (g_zone_file); - - return true; - } - return false; -} - -gboolean slack_set_time(gint64 seconds_since_epoch, gboolean relative) -{ - timespec ts; - - if (relative) - { - if (clock_gettime(CLOCK_REALTIME, &ts) == -1) - { - return FALSE; - } - ts.tv_sec += static_cast<time_t>(seconds_since_epoch / USEC_PER_SEC); - ts.tv_nsec += (seconds_since_epoch % USEC_PER_SEC) * NSEC_PER_USEC; - - if (ts.tv_nsec < 0) - { - --ts.tv_sec; - ts.tv_nsec += USEC_PER_SEC; - } - } - else - { - ts.tv_sec = static_cast<time_t>(seconds_since_epoch / USEC_PER_SEC); - ts.tv_nsec = (seconds_since_epoch % USEC_PER_SEC) * NSEC_PER_USEC; - } - return clock_settime (CLOCK_REALTIME, &ts) == 0; -} - -gboolean slack_get_is_localtime() -{ - std::ifstream fh{ "/etc/hardwareclock", std::ios::in }; - if (!fh.is_open()) - { - return false; - } - std::array<char, 10> time_str; // "localtime" is longer than "UTC" and has 9 letters + \0 - - while (fh.good()) - { - fh.getline(time_str.data(), time_str.size()); - fh.clear(fh.rdstate() & (~std::ios_base::failbit)); - - if (std::strncmp(time_str.data(), "localtime", time_str.size()) == 0) - { - return true; - } - } - return false; -} - -gboolean slack_get_ntp() -{ - return Glib::file_test("/etc/rc.d/rc.ntpd", Glib::FileTest::FILE_TEST_IS_EXECUTABLE); -} - -gboolean slack_set_ntp(gboolean xntp) -{ - std::filesystem::perms rc_mode = std::filesystem::perms::owner_read | std::filesystem::perms::owner_write - | std::filesystem::perms::group_read | std::filesystem::perms::others_read; - - if (xntp) - { - rc_mode |= std::filesystem::perms::owner_exec - | std::filesystem::perms::group_exec | std::filesystem::perms::others_exec; - g_message("Please don't forget to configure the NTP daemon"); - - /* It doesn't matter if fails. - * The ntpdate command is considered obsolete, but "orthodox" ntpd -g - * will fail if your system clock is off for more than half an hour. */ - g_spawn_command_line_async("/usr/sbin/ntpdate pool.ntp.org", NULL); - } - if (Glib::file_test("/etc/rc.d/rc.ntpd", Glib::FileTest::FILE_TEST_IS_REGULAR)) - { - std::error_code ec; - std::filesystem::permissions("/etc/rc.d/rc.ntpd", rc_mode, ec); - return !ec; - } - else - { - g_error("The NTP daemon isn't installed"); - return false; - } -} |
