src/network/networkd.c

	networkd.c revision fe8db0c5ee3365a2fc80ee7ebffa238f9a0a2ae2
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen/***
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  This file is part of systemd.
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  Copyright 2013 Tom Gundersen <teg@jklm.no>
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  systemd is free software; you can redistribute it and/or modify it
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  under the terms of the GNU Lesser General Public License as published by
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  the Free Software Foundation; either version 2.1 of the License, or
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  (at your option) any later version.
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  systemd is distributed in the hope that it will be useful, but
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  WITHOUT ANY WARRANTY; without even the implied warranty of
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  Lesser General Public License for more details.
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  You should have received a copy of the GNU Lesser General Public License
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen  along with systemd; If not, see <http://www.gnu.org/licenses/>.
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen***/
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen#include "sd-event.h"
a553fd32d14739b746a05ae502b8acc38e5f9a50Tom Gundersen#include "sd-daemon.h"
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen#include "networkd.h"
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersenint main(int argc, char *argv[]) {
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        _cleanup_manager_free_ Manager *m = NULL;
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        int r;
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        log_set_target(LOG_TARGET_AUTO);
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        log_parse_environment();
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        log_open();
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        umask(0022);
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        if (argc != 1) {
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen                log_error("This program takes no arguments.");
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen                r = -EINVAL;
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen                goto out;
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        }
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        /* Always create the directories people can create inotify
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen         * watches in. */
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen        mkdir_label("/run/systemd/network/links", 0755);
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        mkdir_label("/run/systemd/network/leases", 0755);
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        r = manager_new(&m);
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen        if (r < 0) {
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen                log_error("Could not create manager: %s", strerror(-r));
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen                goto out;
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        }
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        r = manager_load_config(m);
f882c247ad59776c3a7753bb963c1f8e2386cb79Tom Gundersen        if (r < 0) {
f882c247ad59776c3a7753bb963c1f8e2386cb79Tom Gundersen                log_error("Could not load configuration files: %s", strerror(-r));
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen                goto out;
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen        }
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen        r = manager_udev_listen(m);
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen        if (r < 0) {
f882c247ad59776c3a7753bb963c1f8e2386cb79Tom Gundersen                log_error("Could not connect to udev: %s", strerror(-r));
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen                goto out;
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        }
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen        r = manager_udev_enumerate_links(m);
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen        if (r < 0) {
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen                log_error("Could not enumerate links: %s", strerror(-r));
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen                goto out;
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        }
4b6141c42497dc199618f95fa3f359615eecfaa0Tom Gundersen
f579559b3a14c1f1ef96c372e7626c4733e6ef7dTom Gundersen        r = manager_rtnl_listen(m);
        if (r < 0) {
                log_error("Could not connect to rtnl: %s", strerror(-r));
                goto out;
        }

        r = manager_bus_listen(m);
        if (r < 0) {
                log_error("Could not connect to system bus: %s", strerror(-r));
                goto out;
        }

        /* write out empty resolv.conf to avoid a
         * dangling symlink */
        r = manager_update_resolv_conf(m);
        if (r < 0) {
                log_error("Could not create resolv.conf: %s", strerror(-r));
                goto out;
        }

        sd_notify(false,
                  "READY=1\n"
                  "STATUS=Processing requests...");

        r = sd_event_loop(m->event);
        if (r < 0) {
                log_error("Event loop failed: %s", strerror(-r));
                goto out;
        }

out:
        sd_notify(false,
                  "STATUS=Shutting down...");

        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}