Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 680 insertions, 0 deletions

diff --git a/src/locale/localed.c b/src/locale/localed.c
new file mode 100644
index 0000000..5d96237
--- /dev/null
+++ b/src/locale/localed.c
@@ -0,0 +1,680 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "sd-bus.h"
+
+#include "alloc-util.h"
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "bus-log-control-api.h"
+#include "bus-message.h"
+#include "bus-polkit.h"
+#include "bus-unit-util.h"
+#include "constants.h"
+#include "kbd-util.h"
+#include "localed-util.h"
+#include "macro.h"
+#include "main-func.h"
+#include "missing_capability.h"
+#include "path-util.h"
+#include "selinux-util.h"
+#include "service-util.h"
+#include "signal-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "user-util.h"
+
+static int vconsole_reload(sd_bus *bus) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        int r;
+
+        assert(bus);
+
+        r = bus_call_method(bus, bus_systemd_mgr, "RestartUnit", &error, NULL, "ss", "systemd-vconsole-setup.service", "replace");
+        if (r < 0)
+                return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
+        return 0;
+}
+
+static int property_get_locale(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Context *c = ASSERT_PTR(userdata);
+        _cleanup_strv_free_ char **l = NULL;
+        int r;
+
+        r = locale_read_data(c, reply);
+        if (r < 0)
+                return r;
+
+        r = locale_context_build_env(&c->locale_context, &l, NULL);
+        if (r < 0)
+                return r;
+
+        return sd_bus_message_append_strv(reply, l);
+}
+
+static int property_get_vconsole(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Context *c = ASSERT_PTR(userdata);
+        int r;
+
+        assert(property);
+
+        r = vconsole_read_data(c, reply);
+        if (r < 0)
+                return r;
+
+        if (streq(property, "VConsoleKeymap"))
+                return sd_bus_message_append_basic(reply, 's', c->vc.keymap);
+        if (streq(property, "VConsoleKeymapToggle"))
+                return sd_bus_message_append_basic(reply, 's', c->vc.toggle);
+
+        return -EINVAL;
+}
+
+static int property_get_xkb(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Context *c = ASSERT_PTR(userdata);
+        const X11Context *xc;
+        int r;
+
+        assert(property);
+
+        r = vconsole_read_data(c, reply);
+        if (r < 0)
+                return r;
+
+        r = x11_read_data(c, reply);
+        if (r < 0)
+                return r;
+
+        xc = context_get_x11_context(c);
+
+        if (streq(property, "X11Layout"))
+                return sd_bus_message_append_basic(reply, 's', xc->layout);
+        if (streq(property, "X11Model"))
+                return sd_bus_message_append_basic(reply, 's', xc->model);
+        if (streq(property, "X11Variant"))
+                return sd_bus_message_append_basic(reply, 's', xc->variant);
+        if (streq(property, "X11Options"))
+                return sd_bus_message_append_basic(reply, 's', xc->options);
+
+        return -EINVAL;
+}
+
+static int process_locale_list_item(
+                const char *assignment,
+                char *new_locale[static _VARIABLE_LC_MAX],
+                bool use_localegen,
+                sd_bus_error *error) {
+
+        assert(assignment);
+        assert(new_locale);
+
+        for (LocaleVariable p = 0; p < _VARIABLE_LC_MAX; p++) {
+                const char *name, *e;
+
+                assert_se(name = locale_variable_to_string(p));
+
+                e = startswith(assignment, name);
+                if (!e)
+                        continue;
+
+                if (*e != '=')
+                        continue;
+
+                e++;
+
+                if (!locale_is_valid(e))
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Locale %s is not valid, refusing.", e);
+                if (!use_localegen && locale_is_installed(e) <= 0)
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Locale %s not installed, refusing.", e);
+                if (new_locale[p])
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Locale variable %s set twice, refusing.", name);
+
+                new_locale[p] = strdup(e);
+                if (!new_locale[p])
+                        return -ENOMEM;
+
+                return 0;
+        }
+
+        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Locale assignment %s not valid, refusing.", assignment);
+}
+
+static int locale_gen_process_locale(char *new_locale[static _VARIABLE_LC_MAX], sd_bus_error *error) {
+        int r;
+
+        assert(new_locale);
+
+        for (LocaleVariable p = 0; p < _VARIABLE_LC_MAX; p++) {
+                if (p == VARIABLE_LANGUAGE)
+                        continue;
+                if (isempty(new_locale[p]))
+                        continue;
+                if (locale_is_installed(new_locale[p]))
+                        continue;
+
+                r = locale_gen_enable_locale(new_locale[p]);
+                if (r == -ENOEXEC) {
+                        log_error_errno(r, "Refused to enable locale for generation: %m");
+                        return sd_bus_error_setf(error,
+                                                 SD_BUS_ERROR_INVALID_ARGS,
+                                                 "Specified locale is not installed and non-UTF-8 locale will not be auto-generated: %s",
+                                                 new_locale[p]);
+                }
+                if (r == -EINVAL) {
+                        log_error_errno(r, "Failed to enable invalid locale %s for generation.", new_locale[p]);
+                        return sd_bus_error_setf(error,
+                                                 SD_BUS_ERROR_INVALID_ARGS,
+                                                 "Cannot enable locale generation for invalid locale: %s",
+                                                 new_locale[p]);
+                }
+                if (r < 0) {
+                        log_error_errno(r, "Failed to enable locale for generation: %m");
+                        return sd_bus_error_set_errnof(error, r, "Failed to enable locale generation: %m");
+                }
+
+                r = locale_gen_run();
+                if (r < 0) {
+                        log_error_errno(r, "Failed to generate locale: %m");
+                        return sd_bus_error_set_errnof(error, r, "Failed to generate locale: %m");
+                }
+        }
+
+        return 0;
+}
+
+static int method_set_locale(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+        _cleanup_(locale_variables_freep) char *new_locale[_VARIABLE_LC_MAX] = {};
+        _cleanup_strv_free_ char **l = NULL, **l_set = NULL, **l_unset = NULL;
+        Context *c = ASSERT_PTR(userdata);
+        int interactive, r;
+        bool use_localegen;
+
+        assert(m);
+
+        r = sd_bus_message_read_strv(m, &l);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        r = sd_bus_message_read_basic(m, 'b', &interactive);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        use_localegen = locale_gen_check_available();
+
+        /* If single locale without variable name is provided, then we assume it is LANG=. */
+        if (strv_length(l) == 1 && !strchr(l[0], '=')) {
+                if (!locale_is_valid(l[0]))
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid locale specification: %s", l[0]);
+                if (!use_localegen && locale_is_installed(l[0]) <= 0)
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified locale is not installed: %s", l[0]);
+
+                new_locale[VARIABLE_LANG] = strdup(l[0]);
+                if (!new_locale[VARIABLE_LANG])
+                        return log_oom();
+
+                l = strv_free(l);
+        }
+
+        /* Check whether a variable is valid */
+        STRV_FOREACH(i, l) {
+                r = process_locale_list_item(*i, new_locale, use_localegen, error);
+                if (r < 0)
+                        return r;
+        }
+
+        /* If LANG was specified, but not LANGUAGE, check if we should
+         * set it based on the language fallback table. */
+        if (!isempty(new_locale[VARIABLE_LANG]) &&
+            isempty(new_locale[VARIABLE_LANGUAGE])) {
+                _cleanup_free_ char *language = NULL;
+
+                (void) find_language_fallback(new_locale[VARIABLE_LANG], &language);
+                if (language) {
+                        log_debug("Converted LANG=%s to LANGUAGE=%s", new_locale[VARIABLE_LANG], language);
+                        free_and_replace(new_locale[VARIABLE_LANGUAGE], language);
+                }
+        }
+
+        r = locale_read_data(c, m);
+        if (r < 0) {
+                log_error_errno(r, "Failed to read locale data: %m");
+                return sd_bus_error_set(error, SD_BUS_ERROR_FAILED, "Failed to read locale data");
+        }
+
+        /* Merge with the current settings */
+        r = locale_context_merge(&c->locale_context, new_locale);
+        if (r < 0)
+                return log_oom();
+
+        locale_variables_simplify(new_locale);
+
+        if (locale_context_equal(&c->locale_context, new_locale)) {
+                log_debug("Locale settings were not modified.");
+                return sd_bus_reply_method_return(m, NULL);
+        }
+
+        r = bus_verify_polkit_async(
+                        m,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.locale1.set-locale",
+                        NULL,
+                        interactive,
+                        UID_INVALID,
+                        &c->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        /* Generate locale in case it is missing and the system is using locale-gen */
+        if (use_localegen) {
+                r = locale_gen_process_locale(new_locale, error);
+                if (r < 0)
+                        return r;
+        }
+
+        locale_context_take(&c->locale_context, new_locale);
+
+        /* Write locale configuration */
+        r = locale_context_save(&c->locale_context, &l_set, &l_unset);
+        if (r < 0) {
+                log_error_errno(r, "Failed to set locale: %m");
+                return sd_bus_error_set_errnof(error, r, "Failed to set locale: %m");
+        }
+
+        /* Since we just updated the locale configuration file, ask the system manager to read it again to
+         * update its default locale settings. It's important to not use UnsetAndSetEnvironment or a similar
+         * method because in this case unsetting variables means restoring them to PID1 default values, which
+         * may be outdated, since locale.conf has just changed and PID1 hasn't read it */
+        (void) bus_service_manager_reload(sd_bus_message_get_bus(m));
+
+        if (!strv_isempty(l_set)) {
+                _cleanup_free_ char *line = NULL;
+
+                line = strv_join(l_set, ", ");
+                log_info("Changed locale to %s.", strnull(line));
+        } else
+                log_info("Changed locale to unset.");
+
+        (void) sd_bus_emit_properties_changed(
+                        sd_bus_message_get_bus(m),
+                        "/org/freedesktop/locale1",
+                        "org.freedesktop.locale1",
+                        "Locale", NULL);
+
+        return sd_bus_reply_method_return(m, NULL);
+}
+
+static int method_set_vc_keyboard(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+        _cleanup_(x11_context_clear) X11Context converted = {};
+        Context *c = ASSERT_PTR(userdata);
+        int convert, interactive, r;
+        bool x_needs_update;
+        VCContext in;
+
+        assert(m);
+
+        r = sd_bus_message_read(m, "ssbb", &in.keymap, &in.toggle, &convert, &interactive);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        vc_context_empty_to_null(&in);
+
+        r = vc_context_verify_and_warn(&in, LOG_ERR, error);
+        if (r < 0)
+                return r;
+
+        r = vconsole_read_data(c, m);
+        if (r < 0) {
+                log_error_errno(r, "Failed to read virtual console keymap data: %m");
+                return sd_bus_error_set_errnof(error, r, "Failed to read virtual console keymap data: %m");
+        }
+
+        r = x11_read_data(c, m);
+        if (r < 0) {
+                log_error_errno(r, "Failed to read X11 keyboard layout data: %m");
+                return sd_bus_error_set_errnof(error, r, "Failed to read X11 keyboard layout data: %m");
+        }
+
+        if (convert) {
+                r = vconsole_convert_to_x11(&in, &converted);
+                if (r < 0) {
+                        log_error_errno(r, "Failed to convert keymap data: %m");
+                        return sd_bus_error_set_errnof(error, r, "Failed to convert keymap data: %m");
+                }
+
+                if (x11_context_isempty(&converted))
+                        log_notice("No conversion found for virtual console keymap \"%s\".", strempty(in.keymap));
+                else
+                        log_info("The virtual console keymap '%s' is converted to X11 keyboard layout '%s' model '%s' variant '%s' options '%s'",
+                                 in.keymap, strempty(converted.layout), strempty(converted.model), strempty(converted.variant), strempty(converted.options));
+
+                /* save the result of conversion to emit changed properties later. */
+                x_needs_update = !x11_context_equal(&c->x11_from_vc, &converted) || !x11_context_equal(&c->x11_from_xorg, &converted);
+        } else
+                x_needs_update = !x11_context_equal(&c->x11_from_vc, &c->x11_from_xorg);
+
+        if (vc_context_equal(&c->vc, &in) && !x_needs_update)
+                return sd_bus_reply_method_return(m, NULL);
+
+        r = bus_verify_polkit_async(
+                        m,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.locale1.set-keyboard",
+                        NULL,
+                        interactive,
+                        UID_INVALID,
+                        &c->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = vc_context_copy(&c->vc, &in);
+        if (r < 0)
+                return log_oom();
+
+        if (x_needs_update) {
+                if (convert) {
+                        r = x11_context_copy(&c->x11_from_vc, &converted);
+                        if (r < 0)
+                                return log_oom();
+                        x11_context_replace(&c->x11_from_xorg, &converted);
+                } else {
+                        const X11Context *xc = context_get_x11_context(c);
+
+                        /* Even if the conversion is not requested, sync the two X11 contexts. */
+                        r = x11_context_copy(&c->x11_from_vc, xc);
+                        if (r < 0)
+                                return log_oom();
+
+                        r = x11_context_copy(&c->x11_from_xorg, xc);
+                        if (r < 0)
+                                return log_oom();
+                }
+        }
+
+        r = vconsole_write_data(c);
+        if (r < 0)
+                log_warning_errno(r, "Failed to write virtual console keymap, ignoring: %m");
+
+        if (x_needs_update) {
+                r = x11_write_data(c);
+                if (r < 0)
+                        log_warning_errno(r, "Failed to write X11 keyboard layout, ignoring: %m");
+        }
+
+        log_info("Changed virtual console keymap to '%s' toggle '%s'",
+                 strempty(c->vc.keymap), strempty(c->vc.toggle));
+
+        (void) vconsole_reload(sd_bus_message_get_bus(m));
+
+        (void) sd_bus_emit_properties_changed(
+                        sd_bus_message_get_bus(m),
+                        "/org/freedesktop/locale1",
+                        "org.freedesktop.locale1",
+                        "VConsoleKeymap", "VConsoleKeymapToggle",
+                        x_needs_update ? "X11Layout"  : NULL,
+                        x_needs_update ? "X11Model"   : NULL,
+                        x_needs_update ? "X11Variant" : NULL,
+                        x_needs_update ? "X11Options" : NULL,
+                        NULL);
+
+        return sd_bus_reply_method_return(m, NULL);
+}
+
+static int method_set_x11_keyboard(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+        _cleanup_(vc_context_clear) VCContext converted = {};
+        Context *c = ASSERT_PTR(userdata);
+        int convert, interactive, r;
+        X11Context in;
+
+        assert(m);
+
+        r = sd_bus_message_read(m, "ssssbb", &in.layout, &in.model, &in.variant, &in.options, &convert, &interactive);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        x11_context_empty_to_null(&in);
+
+        r = x11_context_verify_and_warn(&in, LOG_ERR, error);
+        if (r < 0)
+                return r;
+
+        r = vconsole_read_data(c, m);
+        if (r < 0) {
+                log_error_errno(r, "Failed to read virtual console keymap data: %m");
+                return sd_bus_error_set_errnof(error, r, "Failed to read virtual console keymap data: %m");
+        }
+
+        r = x11_read_data(c, m);
+        if (r < 0) {
+                log_error_errno(r, "Failed to read x11 keyboard layout data: %m");
+                return sd_bus_error_set(error, SD_BUS_ERROR_FAILED, "Failed to read x11 keyboard layout data");
+        }
+
+        if (convert) {
+                r = x11_convert_to_vconsole(&in, &converted);
+                if (r < 0) {
+                        log_error_errno(r, "Failed to convert keymap data: %m");
+                        return sd_bus_error_set_errnof(error, r, "Failed to convert keymap data: %m");
+                }
+
+                if (vc_context_isempty(&converted))
+                        /* We search for layout-variant match first, but then we also look
+                         * for anything which matches just the layout. So it's accurate to say
+                         * that we couldn't find anything which matches the layout. */
+                        log_notice("No conversion to virtual console map found for \"%s\".", strempty(in.layout));
+                else
+                        log_info("The X11 keyboard layout '%s' is converted to virtual console keymap '%s'",
+                                 in.layout, converted.keymap);
+
+                /* save the result of conversion to emit changed properties later. */
+                convert = !vc_context_equal(&c->vc, &converted);
+        }
+
+        if (x11_context_equal(&c->x11_from_vc, &in) && x11_context_equal(&c->x11_from_xorg, &in) && !convert)
+                return sd_bus_reply_method_return(m, NULL);
+
+        r = bus_verify_polkit_async(
+                        m,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.locale1.set-keyboard",
+                        NULL,
+                        interactive,
+                        UID_INVALID,
+                        &c->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = x11_context_copy(&c->x11_from_vc, &in);
+        if (r < 0)
+                return log_oom();
+
+        r = x11_context_copy(&c->x11_from_xorg, &in);
+        if (r < 0)
+                return log_oom();
+
+        if (convert)
+                vc_context_replace(&c->vc, &converted);
+
+        r = vconsole_write_data(c);
+        if (r < 0)
+                log_warning_errno(r, "Failed to update vconsole.conf, ignoring: %m");
+
+        r = x11_write_data(c);
+        if (r < 0)
+                log_warning_errno(r, "Failed to write X11 keyboard layout, ignoring: %m");
+
+        log_info("Changed X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'",
+                 strempty(in.layout),
+                 strempty(in.model),
+                 strempty(in.variant),
+                 strempty(in.options));
+
+        (void) sd_bus_emit_properties_changed(
+                        sd_bus_message_get_bus(m),
+                        "/org/freedesktop/locale1",
+                        "org.freedesktop.locale1",
+                        "X11Layout", "X11Model", "X11Variant", "X11Options",
+                        convert ? "VConsoleKeymap" : NULL,
+                        convert ? "VConsoleKeymapToggle" : NULL,
+                        NULL);
+
+        if (convert)
+                (void) vconsole_reload(sd_bus_message_get_bus(m));
+
+        return sd_bus_reply_method_return(m, NULL);
+}
+
+static const sd_bus_vtable locale_vtable[] = {
+        SD_BUS_VTABLE_START(0),
+        SD_BUS_PROPERTY("Locale", "as", property_get_locale, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("X11Layout", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("X11Model", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("X11Variant", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("X11Options", "s", property_get_xkb, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("VConsoleKeymap", "s", property_get_vconsole, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("VConsoleKeymapToggle", "s", property_get_vconsole, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+
+        SD_BUS_METHOD_WITH_ARGS("SetLocale",
+                                SD_BUS_ARGS("as", locale, "b", interactive),
+                                SD_BUS_NO_RESULT,
+                                method_set_locale,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("SetVConsoleKeyboard",
+                                SD_BUS_ARGS("s", keymap, "s", keymap_toggle, "b", convert, "b", interactive),
+                                SD_BUS_NO_RESULT,
+                                method_set_vc_keyboard,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD_WITH_ARGS("SetX11Keyboard",
+                                SD_BUS_ARGS("s", layout, "s", model, "s", variant, "s", options, "b", convert, "b", interactive),
+                                SD_BUS_NO_RESULT,
+                                method_set_x11_keyboard,
+                                SD_BUS_VTABLE_UNPRIVILEGED),
+
+        SD_BUS_VTABLE_END
+};
+
+static const BusObjectImplementation manager_object = {
+        "/org/freedesktop/locale1",
+        "org.freedesktop.locale1",
+        .vtables = BUS_VTABLES(locale_vtable),
+};
+
+static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) {
+        _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+        int r;
+
+        assert(c);
+        assert(event);
+        assert(_bus);
+
+        r = sd_bus_default_system(&bus);
+        if (r < 0)
+                return log_error_errno(r, "Failed to get system bus connection: %m");
+
+        r = bus_add_implementation(bus, &manager_object, c);
+        if (r < 0)
+                return r;
+
+        r = bus_log_control_api_register(bus);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.locale1", 0, NULL, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to request name: %m");
+
+        r = sd_bus_attach_event(bus, event, 0);
+        if (r < 0)
+                return log_error_errno(r, "Failed to attach bus to event loop: %m");
+
+        *_bus = TAKE_PTR(bus);
+
+        return 0;
+}
+
+static int run(int argc, char *argv[]) {
+        _cleanup_(context_clear) Context context = {};
+        _cleanup_(sd_event_unrefp) sd_event *event = NULL;
+        _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+        int r;
+
+        log_setup();
+
+        r = service_parse_argv("systemd-localed.service",
+                               "Manage system locale settings and key mappings.",
+                               BUS_IMPLEMENTATIONS(&manager_object,
+                                                   &log_control_object),
+                               argc, argv);
+        if (r <= 0)
+                return r;
+
+        umask(0022);
+
+        r = mac_init();
+        if (r < 0)
+                return r;
+
+        assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0);
+
+        r = sd_event_default(&event);
+        if (r < 0)
+                return log_error_errno(r, "Failed to allocate event loop: %m");
+
+        (void) sd_event_set_watchdog(event, true);
+
+        r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to install SIGINT handler: %m");
+
+        r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to install SIGTERM handler: %m");
+
+        r = connect_bus(&context, event, &bus);
+        if (r < 0)
+                return r;
+
+        r = bus_event_loop_with_idle(event, bus, "org.freedesktop.locale1", DEFAULT_EXIT_USEC, NULL, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to run event loop: %m");
+
+        return 0;
+}
+
+DEFINE_MAIN_FUNCTION(run);