chiark / gitweb /
localed: move sources to subdirectory
[elogind.git] / src / localed.c
index f652110..e69de29 100644 (file)
@@ -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 <http://www.gnu.org/licenses/>.
-***/
-
-#include <dbus/dbus.h>
-
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "util.h"
-#include "strv.h"
-#include "dbus-common.h"
-#include "polkit.h"
-#include "def.h"
-
-#define INTERFACE                                                       \
-        " <interface name=\"org.freedesktop.locale1\">\n"               \
-        "  <property name=\"Locale\" type=\"as\" access=\"read\"/>\n"   \
-        "  <method name=\"SetLocale\">\n"                               \
-        "   <arg name=\"locale\" type=\"as\" direction=\"in\"/>\n"      \
-        "   <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
-        "  </method>\n"                                                 \
-        " </interface>\n"
-
-#define INTROSPECTION                                                   \
-        DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE                       \
-        "<node>\n"                                                      \
-        INTERFACE                                                       \
-        BUS_PROPERTIES_INTERFACE                                        \
-        BUS_INTROSPECTABLE_INTERFACE                                    \
-        BUS_PEER_INTERFACE                                              \
-        "</node>\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
-                      "<node>\n", stdout);
-                fputs(locale_interface, stdout);
-                fputs("</node>\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;
-}