X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flocaled.c;h=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hp=f652110db49d3dec46ed5123495e7db6e8661b2d;hb=1822350db15b089f094a6dbd2469842ab42c1d87;hpb=ad740100d108282d0244d5739d4dcc86fe4c5fde;ds=sidebyside diff --git a/src/localed.c b/src/localed.c index f652110db..e69de29bb 100644 --- a/src/localed.c +++ b/src/localed.c @@ -1,638 +0,0 @@ -/*-*- 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 . -***/ - -#include - -#include -#include -#include - -#include "util.h" -#include "strv.h" -#include "dbus-common.h" -#include "polkit.h" -#include "def.h" - -#define INTERFACE \ - " \n" \ - " \n" \ - " \n" \ - " \n" \ - " \n" \ - " \n" \ - " \n" - -#define INTROSPECTION \ - DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ - "\n" \ - INTERFACE \ - BUS_PROPERTIES_INTERFACE \ - BUS_INTROSPECTABLE_INTERFACE \ - BUS_PEER_INTERFACE \ - "\n" - -#define INTERFACES_LIST \ - BUS_GENERIC_INTERFACES_LIST \ - "org.freedesktop.locale1\0" - -const char locale_interface[] _introspect_("locale1") = INTERFACE; - -enum { - /* We don't list LC_ALL here on purpose. People should be - * using LANG instead. */ - - PROP_LANG, - PROP_LANGUAGE, - PROP_LC_CTYPE, - PROP_LC_NUMERIC, - PROP_LC_TIME, - PROP_LC_COLLATE, - PROP_LC_MONETARY, - PROP_LC_MESSAGES, - PROP_LC_PAPER, - PROP_LC_NAME, - PROP_LC_ADDRESS, - PROP_LC_TELEPHONE, - PROP_LC_MEASUREMENT, - PROP_LC_IDENTIFICATION, - _PROP_MAX -}; - -static const char * const names[_PROP_MAX] = { - [PROP_LANG] = "LANG", - [PROP_LANGUAGE] = "LANGUAGE", - [PROP_LC_CTYPE] = "LC_CTYPE", - [PROP_LC_NUMERIC] = "LC_NUMERIC", - [PROP_LC_TIME] = "LC_TIME", - [PROP_LC_COLLATE] = "LC_COLLATE", - [PROP_LC_MONETARY] = "LC_MONETARY", - [PROP_LC_MESSAGES] = "LC_MESSAGES", - [PROP_LC_PAPER] = "LC_PAPER", - [PROP_LC_NAME] = "LC_NAME", - [PROP_LC_ADDRESS] = "LC_ADDRESS", - [PROP_LC_TELEPHONE] = "LC_TELEPHONE", - [PROP_LC_MEASUREMENT] = "LC_MEASUREMENT", - [PROP_LC_IDENTIFICATION] = "LC_IDENTIFICATION" -}; - -static char *data[_PROP_MAX] = { - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL -}; - -static usec_t remain_until = 0; - -static void free_data(void) { - int p; - - for (p = 0; p < _PROP_MAX; p++) { - free(data[p]); - data[p] = NULL; - } -} - -static void simplify(void) { - int p; - - for (p = 1; p < _PROP_MAX; p++) - if (isempty(data[p]) || streq_ptr(data[PROP_LANG], data[p])) { - free(data[p]); - data[p] = NULL; - } -} - -static int read_data(void) { - int r; - - free_data(); - - r = parse_env_file("/etc/locale.conf", NEWLINE, - "LANG", &data[PROP_LANG], - "LANGUAGE", &data[PROP_LANGUAGE], - "LC_CTYPE", &data[PROP_LC_CTYPE], - "LC_NUMERIC", &data[PROP_LC_NUMERIC], - "LC_TIME", &data[PROP_LC_TIME], - "LC_COLLATE", &data[PROP_LC_COLLATE], - "LC_MONETARY", &data[PROP_LC_MONETARY], - "LC_MESSAGES", &data[PROP_LC_MESSAGES], - "LC_PAPER", &data[PROP_LC_PAPER], - "LC_NAME", &data[PROP_LC_NAME], - "LC_ADDRESS", &data[PROP_LC_ADDRESS], - "LC_TELEPHONE", &data[PROP_LC_TELEPHONE], - "LC_MEASUREMENT", &data[PROP_LC_MEASUREMENT], - "LC_IDENTIFICATION", &data[PROP_LC_IDENTIFICATION], - NULL); - - if (r == -ENOENT) { - int p; - - /* Fill in what we got passed from systemd. */ - - for (p = 0; p < _PROP_MAX; p++) { - char *e, *d; - - assert(names[p]); - - e = getenv(names[p]); - if (e) { - d = strdup(e); - if (!d) - return -ENOMEM; - } else - d = NULL; - - free(data[p]); - data[p] = d; - } - - r = 0; - } - - simplify(); - return r; -} - -static int write_data(void) { - int r, p; - char **l = NULL; - - r = load_env_file("/etc/locale.conf", &l); - if (r < 0 && r != -ENOENT) - return r; - - for (p = 0; p < _PROP_MAX; p++) { - char *t, **u; - - assert(names[p]); - - if (isempty(data[p])) { - l = strv_env_unset(l, names[p]); - continue; - } - - if (asprintf(&t, "%s=%s", names[p], data[p]) < 0) { - strv_free(l); - return -ENOMEM; - } - - u = strv_env_set(l, t); - free(t); - strv_free(l); - - if (!u) - return -ENOMEM; - - l = u; - } - - if (strv_isempty(l)) { - - if (unlink("/etc/locale.conf") < 0) - return errno == ENOENT ? 0 : -errno; - - return 0; - } - - r = write_env_file("/etc/locale.conf", l); - strv_free(l); - - return r; -} - -static void push_data(DBusConnection *bus) { - char **l_set = NULL, **l_unset = NULL, **t; - int c_set = 0, c_unset = 0, p; - DBusError error; - DBusMessage *m = NULL, *reply = NULL; - DBusMessageIter iter, sub; - - dbus_error_init(&error); - - assert(bus); - - l_set = new0(char*, _PROP_MAX); - l_unset = new0(char*, _PROP_MAX); - if (!l_set || !l_unset) { - log_error("Out of memory"); - goto finish; - } - - for (p = 0; p < _PROP_MAX; p++) { - assert(names[p]); - - if (isempty(data[p])) - l_unset[c_set++] = (char*) names[p]; - else { - char *s; - - if (asprintf(&s, "%s=%s", names[p], data[p]) < 0) { - log_error("Out of memory"); - goto finish; - } - - l_set[c_unset++] = s; - } - } - - assert(c_set + c_unset == _PROP_MAX); - m = dbus_message_new_method_call("org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "UnsetAndSetEnvironment"); - if (!m) { - log_error("Could not allocate message."); - goto finish; - } - - dbus_message_iter_init_append(m, &iter); - - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) { - log_error("Out of memory."); - goto finish; - } - - STRV_FOREACH(t, l_unset) - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, t)) { - log_error("Out of memory."); - goto finish; - } - - if (!dbus_message_iter_close_container(&iter, &sub) || - !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) { - log_error("Out of memory."); - goto finish; - } - - STRV_FOREACH(t, l_set) - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, t)) { - log_error("Out of memory."); - goto finish; - } - - if (!dbus_message_iter_close_container(&iter, &sub)) { - log_error("Out of memory."); - goto finish; - } - - reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); - if (!reply) { - log_error("Failed to set locale information: %s", bus_error_message(&error)); - goto finish; - } - -finish: - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - - dbus_error_free(&error); - - strv_free(l_set); - free(l_unset); -} - -static int append_locale(DBusMessageIter *i, const char *property, void *userdata) { - int r, c = 0, p; - char **l; - - l = new0(char*, _PROP_MAX+1); - if (!l) - return -ENOMEM; - - for (p = 0; p < _PROP_MAX; p++) { - char *t; - - if (isempty(data[p])) - continue; - - if (asprintf(&t, "%s=%s", names[p], data[p]) < 0) { - strv_free(l); - return -ENOMEM; - } - - l[c++] = t; - } - - r = bus_property_append_strv(i, property, (void*) l); - strv_free(l); - - return r; -} - -static DBusHandlerResult locale_message_handler( - DBusConnection *connection, - DBusMessage *message, - void *userdata) { - - const BusProperty properties[] = { - { "org.freedesktop.locale1", "Locale", append_locale, "as", 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.locale1", "SetLocale")) { - char **l = NULL, **i; - dbus_bool_t interactive; - DBusMessageIter iter; - bool modified = false; - bool passed[_PROP_MAX]; - int p; - - if (!dbus_message_iter_init(message, &iter)) - return bus_send_error_reply(connection, message, NULL, -EINVAL); - - r = bus_parse_strv_iter(&iter, &l); - if (r < 0) { - if (r == -ENOMEM) - goto oom; - - return bus_send_error_reply(connection, message, NULL, r); - } - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) { - strv_free(l); - return bus_send_error_reply(connection, message, NULL, -EINVAL); - } - - dbus_message_iter_get_basic(&iter, &interactive); - - zero(passed); - - /* Check whether a variable changed and if so valid */ - STRV_FOREACH(i, l) { - bool valid = false; - - for (p = 0; p < _PROP_MAX; p++) { - size_t k; - - k = strlen(names[p]); - if (startswith(*i, names[p]) && (*i)[k] == '=') { - valid = true; - passed[p] = true; - - if (!streq_ptr(*i + k + 1, data[p])) - modified = true; - - break; - } - } - - if (!valid) { - strv_free(l); - return bus_send_error_reply(connection, message, NULL, -EINVAL); - } - } - - /* Check whether a variable is unset */ - if (!modified) { - for (p = 0; p < _PROP_MAX; p++) - if (!isempty(data[p]) && !passed[p]) { - modified = true; - break; - } - } - - if (modified) { - - r = verify_polkit(connection, message, "org.freedesktop.locale1.set-locale", interactive, &error); - if (r < 0) { - strv_free(l); - return bus_send_error_reply(connection, message, &error, r); - } - - STRV_FOREACH(i, l) { - for (p = 0; p < _PROP_MAX; p++) { - size_t k; - - k = strlen(names[p]); - if (startswith(*i, names[p]) && (*i)[k] == '=') { - char *t; - - t = strdup(*i + k + 1); - if (!t) { - strv_free(l); - goto oom; - } - - free(data[p]); - data[p] = t; - - break; - } - } - } - - for (p = 0; p < _PROP_MAX; p++) { - if (passed[p]) - continue; - - free(data[p]); - data[p] = NULL; - } - - simplify(); - - r = write_data(); - if (r < 0) { - log_error("Failed to set locale: %s", strerror(-r)); - return bus_send_error_reply(connection, message, NULL, r); - } - - push_data(connection); - - log_info("Changed locale information."); - - changed = bus_properties_changed_new( - "/org/freedesktop/locale1", - "org.freedesktop.locale1", - "Locale\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 locale_vtable = { - .message_function = locale_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/locale1", &locale_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.locale1", 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 - "\n", stdout); - fputs(locale_interface, stdout); - fputs("\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 locale data: %s", strerror(-r)); - goto finish; - } - - r = connect_bus(&bus); - if (r < 0) - 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.locale1"); - } - } - - 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; -}