diff options
Diffstat (limited to '')
| -rw-r--r-- | src/locale/localed.c | 815 |
1 files changed, 815 insertions, 0 deletions
diff --git a/src/locale/localed.c b/src/locale/localed.c new file mode 100644 index 0000000..8b1f0de --- /dev/null +++ b/src/locale/localed.c @@ -0,0 +1,815 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <errno.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> + +#if HAVE_XKBCOMMON +#include <xkbcommon/xkbcommon.h> +#include <dlfcn.h> +#endif + +#include "sd-bus.h" + +#include "alloc-util.h" +#include "bus-error.h" +#include "bus-log-control-api.h" +#include "bus-message.h" +#include "bus-polkit.h" +#include "def.h" +#include "dlfcn-util.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 reload_system_manager(sd_bus *bus) { + _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + int r; + + assert(bus); + + r = sd_bus_message_new_method_call(bus, &m, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "Reload"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_call(bus, m, 0, &error, NULL); + if (r < 0) + return log_error_errno(r, "Failed to reload system manager: %s", bus_error_message(&error, r)); + + return 0; +} + +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 = sd_bus_call_method(bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "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 vconsole_convert_to_x11_and_emit(Context *c, sd_bus_message *m) { + int r; + + assert(m); + + r = x11_read_data(c, m); + if (r < 0) + return r; + + r = vconsole_convert_to_x11(c); + if (r <= 0) + return r; + + /* modified */ + r = x11_write_data(c); + if (r < 0) + return log_error_errno(r, "Failed to write X11 keyboard layout: %m"); + + sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), + "/org/freedesktop/locale1", + "org.freedesktop.locale1", + "X11Layout", "X11Model", "X11Variant", "X11Options", NULL); + + return 1; +} + +static int x11_convert_to_vconsole_and_emit(Context *c, sd_bus_message *m) { + int r; + + assert(m); + + r = vconsole_read_data(c, m); + if (r < 0) + return r; + + r = x11_convert_to_vconsole(c); + if (r <= 0) + return r; + + /* modified */ + r = vconsole_write_data(c); + if (r < 0) + log_error_errno(r, "Failed to save virtual console keymap: %m"); + + sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), + "/org/freedesktop/locale1", + "org.freedesktop.locale1", + "VConsoleKeymap", "VConsoleKeymapToggle", NULL); + + return vconsole_reload(sd_bus_message_get_bus(m)); +} + +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 = 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 = userdata; + int r; + + 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); + else if (streq(property, "VConsoleKeymapToggle")) + return sd_bus_message_append_basic(reply, 's', c->vc_keymap_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 = userdata; + int r; + + r = x11_read_data(c, reply); + if (r < 0) + return r; + + if (streq(property, "X11Layout")) + return sd_bus_message_append_basic(reply, 's', c->x11_layout); + else if (streq(property, "X11Model")) + return sd_bus_message_append_basic(reply, 's', c->x11_model); + else if (streq(property, "X11Variant")) + return sd_bus_message_append_basic(reply, 's', c->x11_variant); + else if (streq(property, "X11Options")) + return sd_bus_message_append_basic(reply, 's', c->x11_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]); + } else 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, + "Can not enable locale generation for invalid locale: %s", + new_locale[p]); + } else 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 r; + + r = sd_bus_message_read_basic(m, 'b', &interactive); + if (r < 0) + return 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 -ENOMEM; + + 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 r; + + 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) reload_system_manager(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) { + Context *c = ASSERT_PTR(userdata); + const char *keymap, *keymap_toggle; + int convert, interactive, r; + + assert(m); + + r = sd_bus_message_read(m, "ssbb", &keymap, &keymap_toggle, &convert, &interactive); + if (r < 0) + return r; + + keymap = empty_to_null(keymap); + keymap_toggle = empty_to_null(keymap_toggle); + + 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"); + } + + FOREACH_STRING(name, keymap ?: keymap_toggle, keymap ? keymap_toggle : NULL) { + r = keymap_exists(name); /* This also verifies that the keymap name is kosher. */ + if (r < 0) { + log_error_errno(r, "Failed to check keymap %s: %m", name); + return sd_bus_error_set_errnof(error, r, "Failed to check keymap %s: %m", name); + } + if (r == 0) + return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Keymap %s is not installed.", name); + } + + if (streq_ptr(keymap, c->vc_keymap) && + streq_ptr(keymap_toggle, c->vc_keymap_toggle)) + 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 */ + + if (free_and_strdup(&c->vc_keymap, keymap) < 0 || + free_and_strdup(&c->vc_keymap_toggle, keymap_toggle) < 0) + return -ENOMEM; + + r = vconsole_write_data(c); + if (r < 0) { + log_error_errno(r, "Failed to set virtual console keymap: %m"); + return sd_bus_error_set_errnof(error, r, "Failed to set virtual console keymap: %m"); + } + + log_info("Changed virtual console keymap to '%s' toggle '%s'", + strempty(c->vc_keymap), strempty(c->vc_keymap_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", NULL); + + if (convert) { + r = vconsole_convert_to_x11_and_emit(c, m); + if (r < 0) + log_error_errno(r, "Failed to convert keymap data: %m"); + } + + return sd_bus_reply_method_return(m, NULL); +} + +#if HAVE_XKBCOMMON + +_printf_(3, 0) +static void log_xkb(struct xkb_context *ctx, enum xkb_log_level lvl, const char *format, va_list args) { + const char *fmt; + + fmt = strjoina("libxkbcommon: ", format); + DISABLE_WARNING_FORMAT_NONLITERAL; + log_internalv(LOG_DEBUG, 0, PROJECT_FILE, __LINE__, __func__, fmt, args); + REENABLE_WARNING; +} + +#define LOAD_SYMBOL(symbol, dl, name) \ + ({ \ + (symbol) = (typeof(symbol)) dlvsym((dl), (name), "V_0.5.0"); \ + (symbol) ? 0 : -EOPNOTSUPP; \ + }) + +static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) { + + /* We dlopen() the library in order to make the dependency soft. The library (and what it pulls in) is huge + * after all, hence let's support XKB maps when the library is around, and refuse otherwise. The function + * pointers to the shared library are below: */ + + struct xkb_context* (*symbol_xkb_context_new)(enum xkb_context_flags flags) = NULL; + void (*symbol_xkb_context_unref)(struct xkb_context *context) = NULL; + void (*symbol_xkb_context_set_log_fn)(struct xkb_context *context, void (*log_fn)(struct xkb_context *context, enum xkb_log_level level, const char *format, va_list args)) = NULL; + struct xkb_keymap* (*symbol_xkb_keymap_new_from_names)(struct xkb_context *context, const struct xkb_rule_names *names, enum xkb_keymap_compile_flags flags) = NULL; + void (*symbol_xkb_keymap_unref)(struct xkb_keymap *keymap) = NULL; + + const struct xkb_rule_names rmlvo = { + .model = model, + .layout = layout, + .variant = variant, + .options = options, + }; + struct xkb_context *ctx = NULL; + struct xkb_keymap *km = NULL; + _cleanup_(dlclosep) void *dl = NULL; + int r; + + /* Compile keymap from RMLVO information to check out its validity */ + + dl = dlopen("libxkbcommon.so.0", RTLD_LAZY); + if (!dl) + return -EOPNOTSUPP; + + r = LOAD_SYMBOL(symbol_xkb_context_new, dl, "xkb_context_new"); + if (r < 0) + goto finish; + + r = LOAD_SYMBOL(symbol_xkb_context_unref, dl, "xkb_context_unref"); + if (r < 0) + goto finish; + + r = LOAD_SYMBOL(symbol_xkb_context_set_log_fn, dl, "xkb_context_set_log_fn"); + if (r < 0) + goto finish; + + r = LOAD_SYMBOL(symbol_xkb_keymap_new_from_names, dl, "xkb_keymap_new_from_names"); + if (r < 0) + goto finish; + + r = LOAD_SYMBOL(symbol_xkb_keymap_unref, dl, "xkb_keymap_unref"); + if (r < 0) + goto finish; + + ctx = symbol_xkb_context_new(XKB_CONTEXT_NO_ENVIRONMENT_NAMES); + if (!ctx) { + r = -ENOMEM; + goto finish; + } + + symbol_xkb_context_set_log_fn(ctx, log_xkb); + + km = symbol_xkb_keymap_new_from_names(ctx, &rmlvo, XKB_KEYMAP_COMPILE_NO_FLAGS); + if (!km) { + r = -EINVAL; + goto finish; + } + + r = 0; + +finish: + if (symbol_xkb_keymap_unref && km) + symbol_xkb_keymap_unref(km); + + if (symbol_xkb_context_unref && ctx) + symbol_xkb_context_unref(ctx); + + return r; +} + +#else + +static int verify_xkb_rmlvo(const char *model, const char *layout, const char *variant, const char *options) { + return 0; +} + +#endif + +static int method_set_x11_keyboard(sd_bus_message *m, void *userdata, sd_bus_error *error) { + Context *c = ASSERT_PTR(userdata); + const char *layout, *model, *variant, *options; + int convert, interactive, r; + + assert(m); + + r = sd_bus_message_read(m, "ssssbb", &layout, &model, &variant, &options, &convert, &interactive); + if (r < 0) + return r; + + layout = empty_to_null(layout); + model = empty_to_null(model); + variant = empty_to_null(variant); + options = empty_to_null(options); + + 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 (streq_ptr(layout, c->x11_layout) && + streq_ptr(model, c->x11_model) && + streq_ptr(variant, c->x11_variant) && + streq_ptr(options, c->x11_options)) + return sd_bus_reply_method_return(m, NULL); + + if ((layout && !string_is_safe(layout)) || + (model && !string_is_safe(model)) || + (variant && !string_is_safe(variant)) || + (options && !string_is_safe(options))) + return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Received invalid keyboard data"); + + r = verify_xkb_rmlvo(model, layout, variant, options); + if (r < 0) { + log_error_errno(r, "Cannot compile XKB keymap for new x11 keyboard layout ('%s' / '%s' / '%s' / '%s'): %m", + strempty(model), strempty(layout), strempty(variant), strempty(options)); + + if (r == -EOPNOTSUPP) + return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Local keyboard configuration not supported on this system."); + + return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Specified keymap cannot be compiled, refusing as invalid."); + } + + 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 */ + + if (free_and_strdup(&c->x11_layout, layout) < 0 || + free_and_strdup(&c->x11_model, model) < 0 || + free_and_strdup(&c->x11_variant, variant) < 0 || + free_and_strdup(&c->x11_options, options) < 0) + return -ENOMEM; + + r = x11_write_data(c); + if (r < 0) { + log_error_errno(r, "Failed to set X11 keyboard layout: %m"); + return sd_bus_error_set_errnof(error, r, "Failed to set X11 keyboard layout: %m"); + } + + log_info("Changed X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'", + strempty(c->x11_layout), + strempty(c->x11_model), + strempty(c->x11_variant), + strempty(c->x11_options)); + + (void) sd_bus_emit_properties_changed( + sd_bus_message_get_bus(m), + "/org/freedesktop/locale1", + "org.freedesktop.locale1", + "X11Layout", "X11Model", "X11Variant", "X11Options", NULL); + + if (convert) { + r = x11_convert_to_vconsole_and_emit(c, m); + if (r < 0) + log_error_errno(r, "Failed to convert keymap data: %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_NAMES("SetLocale", + "asb", + SD_BUS_PARAM(locale) + SD_BUS_PARAM(interactive), + NULL,, + method_set_locale, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_NAMES("SetVConsoleKeyboard", + "ssbb", + SD_BUS_PARAM(keymap) + SD_BUS_PARAM(keymap_toggle) + SD_BUS_PARAM(convert) + SD_BUS_PARAM(interactive), + NULL,, + method_set_vc_keyboard, + SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD_WITH_NAMES("SetX11Keyboard", + "ssssbb", + SD_BUS_PARAM(layout) + SD_BUS_PARAM(model) + SD_BUS_PARAM(variant) + SD_BUS_PARAM(options) + SD_BUS_PARAM(convert) + SD_BUS_PARAM(interactive), + NULL,, + 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 = { + .locale_context.mtime = USEC_INFINITY, + .vc_mtime = USEC_INFINITY, + .x11_mtime = USEC_INFINITY, + }; + _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_selinux_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); |