src/network/networkctl.c

	networkctl.c revision d9000fd3b3ad0728832007f56e9cafacfbbe54e7
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering/***
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  This file is part of systemd.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  Copyright 2014 Lennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  systemd is free software; you can redistribute it and/or modify it
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  under the terms of the GNU Lesser General Public License as published by
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  the Free Software Foundation; either version 2.1 of the License, or
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  (at your option) any later version.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  systemd is distributed in the hope that it will be useful, but
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  WITHOUT ANY WARRANTY; without even the implied warranty of
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  Lesser General Public License for more details.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  You should have received a copy of the GNU Lesser General Public License
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering  along with systemd; If not, see <http://www.gnu.org/licenses/>.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering***/
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include <stdbool.h>
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include <getopt.h>
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include <net/if.h>
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "sd-network.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "sd-rtnl.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "sd-hwdb.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "libudev.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "strv.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "build.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "util.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "pager.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "lldp.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "rtnl-util.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "udev-util.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "hwdb-util.h"
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering#include "arphrd-list.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "local-addresses.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "socket-util.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "ether-addr-util.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "verbs.h"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic bool arg_no_pager = false;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic bool arg_legend = true;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic bool arg_all = false;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic void pager_open_if_enabled(void) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (arg_no_pager)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                return;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        pager_open(false);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic int link_get_type_string(int iftype, struct udev_device *d, char **ret) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        const char *t;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        char *p;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (iftype == ARPHRD_ETHER && d) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                const char *devtype, *id = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                /* WLANs have iftype ARPHRD_ETHER, but we want
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                 * to show a more useful type string for
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                 * them */
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                devtype = udev_device_get_devtype(d);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (streq_ptr(devtype, "wlan"))
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        id = "wlan";
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                else if (streq_ptr(devtype, "wwan"))
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        id = "wwan";
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (id) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        p = strdup(id);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        if (!p)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                                return -ENOMEM;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        *ret = p;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        return 1;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        t = arphrd_to_name(iftype);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (!t) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *ret = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                return 0;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        p = strdup(t);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (!p)
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                return -ENOMEM;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        ascii_strlower(p);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        *ret = p;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        return 0;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering}
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringtypedef struct LinkInfo {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        const char *name;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        int ifindex;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        unsigned iftype;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering} LinkInfo;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringstatic int link_info_compare(const void *a, const void *b) {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        const LinkInfo *x = a, *y = b;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        return x->ifindex - y->ifindex;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering}
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringstatic int decode_and_sort_links(sd_rtnl_message *m, LinkInfo **ret) {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        _cleanup_free_ LinkInfo *links = NULL;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        size_t size = 0, c = 0;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        sd_rtnl_message *i;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        int r;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        for (i = m; i; i = sd_rtnl_message_next(i)) {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                const char *name;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                unsigned iftype;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                uint16_t type;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                int ifindex;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                r = sd_rtnl_message_get_type(i, &type);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                if (r < 0)
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                        return r;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                if (type != RTM_NEWLINK)
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                        continue;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                if (r < 0)
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                        return r;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                r = sd_rtnl_message_read_string(i, IFLA_IFNAME, &name);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                if (r < 0)
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                        return r;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                r = sd_rtnl_message_link_get_type(i, &iftype);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                if (r < 0)
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                        return r;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                if (!GREEDY_REALLOC(links, size, c+1))
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                        return -ENOMEM;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                links[c].name = name;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                links[c].ifindex = ifindex;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                links[c].iftype = iftype;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                c++;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        }
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        qsort_safe(links, c, sizeof(LinkInfo), link_info_compare);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        *ret = links;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        links = NULL;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        return (int) c;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic void operational_state_to_color(const char *state, const char **on, const char **off) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        assert(on);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        assert(off);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (streq_ptr(state, "routable")) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *on = ansi_highlight_green();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *off = ansi_highlight_off();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        } else if (streq_ptr(state, "degraded")) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *on = ansi_highlight_yellow();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *off = ansi_highlight_off();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        } else
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *on = *off = "";
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic void setup_state_to_color(const char *state, const char **on, const char **off) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        assert(on);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        assert(off);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (streq_ptr(state, "configured")) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *on = ansi_highlight_green();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *off = ansi_highlight_off();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        } else if (streq_ptr(state, "configuring")) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *on = ansi_highlight_yellow();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *off = ansi_highlight_off();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        } else if (streq_ptr(state, "failed") || streq_ptr(state, "linger")) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *on = ansi_highlight_red();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                *off = ansi_highlight_off();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        } else
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                *on = *off = "";
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringstatic int list_links(int argc, char *argv[], void *userdata) {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        _cleanup_udev_unref_ struct udev *udev = NULL;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        _cleanup_free_ LinkInfo *links = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        int r, c, i;
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering        pager_open_if_enabled();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        r = sd_rtnl_open(&rtnl, 0);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        if (r < 0)
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                return log_error_errno(r, "Failed to connect to netlink: %m");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        udev = udev_new();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (!udev)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                return log_error_errno(errno, "Failed to connect to udev: %m");
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering        if (r < 0)
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                return rtnl_log_create_error(r);
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering        r = sd_rtnl_message_request_dump(req, true);
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering        if (r < 0)
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                return rtnl_log_create_error(r);
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering        r = sd_rtnl_call(rtnl, req, 0, &reply);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering        if (r < 0)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                return log_error_errno(r, "Failed to enumerate links: %m");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (arg_legend)
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                printf("%3s %-16s %-18s %-11s %-10s\n", "IDX", "LINK", "TYPE", "OPERATIONAL", "SETUP");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        c = decode_and_sort_links(reply, &links);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (c < 0)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                return rtnl_log_parse_error(c);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        for (i = 0; i < c; i++) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                _cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                _cleanup_udev_device_unref_ struct udev_device *d = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                const char *on_color_operational, *off_color_operational,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                           *on_color_setup, *off_color_setup;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                 char devid[2 + DECIMAL_STR_MAX(int)];
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                _cleanup_free_ char *t = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                sd_network_link_get_operational_state(links[i].ifindex, &operational_state);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                sd_network_link_get_setup_state(links[i].ifindex, &setup_state);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                sprintf(devid, "n%i", links[i].ifindex);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                d = udev_device_new_from_device_id(udev, devid);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                link_get_type_string(links[i].iftype, d, &t);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                printf("%3i %-16s %-18s %s%-11s%s %s%-10s%s\n",
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                       links[i].ifindex, links[i].name, strna(t),
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                       on_color_operational, strna(operational_state), off_color_operational,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                       on_color_setup, strna(setup_state), off_color_setup);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (arg_legend)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                printf("\n%i links listed.\n", c);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        return 0;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering/* IEEE Organizationally Unique Identifier vendor string */
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic int ieee_oui(sd_hwdb *hwdb, struct ether_addr *mac, char **ret) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        const char *description;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        char modalias[strlen("OUI:XXYYXXYYXXYY") + 1], *desc;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        int r;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        assert(ret);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        if (!hwdb)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return -EINVAL;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering        if (!mac)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return -EINVAL;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        /* skip commonly misused 00:00:00 (Xerox) prefix */
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        if (memcmp(mac, "\0\0\0", 3) == 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return -EINVAL;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        snprintf(modalias, sizeof(modalias), "OUI:" ETHER_ADDR_FORMAT_STR, ETHER_ADDR_FORMAT_VAL(*mac));
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        r = sd_hwdb_get(hwdb, modalias, "ID_OUI_FROM_DATABASE", &description);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        if (r < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return r;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        desc = strdup(description);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        if (!desc)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return -ENOMEM;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        *ret = desc;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        return 0;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering}
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poetteringstatic int get_gateway_description(
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                sd_rtnl *rtnl,
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                sd_hwdb *hwdb,
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                int ifindex,
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                int family,
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                union in_addr_union *gateway,
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                char **gateway_description) {
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        sd_rtnl_message *m;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        int r;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        assert(rtnl);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        assert(ifindex >= 0);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        assert(family == AF_INET || family == AF_INET6);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        assert(gateway);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        assert(gateway_description);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_GETNEIGH, ifindex, family);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        if (r < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return r;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        r = sd_rtnl_message_request_dump(req, true);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        if (r < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return r;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        r = sd_rtnl_call(rtnl, req, 0, &reply);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        if (r < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return r;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        for (m = reply; m; m = sd_rtnl_message_next(m)) {
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                union in_addr_union gw = {};
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                struct ether_addr mac = {};
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                uint16_t type;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                int ifi, fam;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                r = sd_rtnl_message_get_errno(m);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                if (r < 0) {
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        log_error_errno(r, "got error: %m");
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                }
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                r = sd_rtnl_message_get_type(m, &type);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                if (r < 0) {
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        log_error_errno(r, "could not get type: %m");
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                }
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                if (type != RTM_NEWNEIGH) {
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        log_error("type is not RTM_NEWNEIGH");
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                }
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                r = sd_rtnl_message_neigh_get_family(m, &fam);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                if (r < 0) {
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        log_error_errno(r, "could not get family: %m");
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                }
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                if (fam != family) {
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        log_error("family is not correct");
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                }
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                r = sd_rtnl_message_neigh_get_ifindex(m, &ifi);
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                if (r < 0) {
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                        log_error_errno(r, "could not get ifindex: %m");
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                        continue;
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                }
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                if (ifindex > 0 && ifi != ifindex)
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                        continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                switch (fam) {
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                case AF_INET:
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        r = sd_rtnl_message_read_in_addr(m, NDA_DST, &gw.in);
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering                        if (r < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                                continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        break;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                case AF_INET6:
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        r = sd_rtnl_message_read_in6_addr(m, NDA_DST, &gw.in6);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        if (r < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                                continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        break;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                default:
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                }
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                if (!in_addr_equal(fam, &gw, gateway))
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                r = sd_rtnl_message_read_ether_addr(m, NDA_LLADDR, &mac);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                if (r < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                r = ieee_oui(hwdb, &mac, gateway_description);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                if (r < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        continue;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return 0;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        }
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        return -ENODATA;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic int dump_gateways(
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                sd_rtnl *rtnl,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                sd_hwdb *hwdb,
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                const char *prefix,
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                int ifindex) {
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering        _cleanup_free_ struct local_address *local = NULL;
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering        int r, n, i;
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering        n = local_gateways(rtnl, ifindex, AF_UNSPEC, &local);
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering        if (n < 0)
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                return n;
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering        for (i = 0; i < n; i++) {
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                _cleanup_free_ char *gateway = NULL, *description = NULL;
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                r = in_addr_to_string(local[i].family, &local[i].address, &gateway);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (r < 0)
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering                        return r;
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                r = get_gateway_description(rtnl, hwdb, local[i].ifindex, local[i].family, &local[i].address, &description);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (r < 0)
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering                        log_debug_errno(r, "Could not get description of gateway: %m");
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering                printf("%*s%s",
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering                       (int) strlen(prefix),
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                       i == 0 ? prefix : "",
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                       gateway);
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                if (description)
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                        printf(" (%s)", description);
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                /* Show interface name for the entry if we show
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                 * entries for all interfaces */
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                if (ifindex <= 0) {
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                        char name[IF_NAMESIZE+1];
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering
f7d68aa8c9430dfddee5f913f93b405a5d75723aLennart Poettering                        if (if_indextoname(local[i].ifindex, name)) {
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering                                fputs(" on ", stdout);
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering                                fputs(name, stdout);
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering                        } else
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering                                printf(" on %%%i", local[i].ifindex);
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering                }
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering
03cc0fd1431b82e59c11ae12a274c1f2df23169dLennart Poettering                fputc('\n', stdout);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        return 0;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic int dump_addresses(
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                sd_rtnl *rtnl,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                const char *prefix,
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                int ifindex) {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        _cleanup_free_ struct local_address *local = NULL;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        int r, n, i;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        n = local_addresses(rtnl, ifindex, AF_UNSPEC, &local);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (n < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return n;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        for (i = 0; i < n; i++) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                _cleanup_free_ char *pretty = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                r = in_addr_to_string(local[i].family, &local[i].address, &pretty);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                if (r < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        return r;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                printf("%*s%s",
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                       (int) strlen(prefix),
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                       i == 0 ? prefix : "",
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                       pretty);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                if (ifindex <= 0) {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                        char name[IF_NAMESIZE+1];
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        if (if_indextoname(local[i].ifindex, name)) {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering                                fputs(" on ", stdout);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                                fputs(name, stdout);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                        } else
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                                printf(" on %%%i", local[i].ifindex);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                }
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                fputc('\n', stdout);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        }
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        return 0;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic void dump_list(const char *prefix, char **l) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        char **i;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        STRV_FOREACH(i, l) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                printf("%*s%s\n",
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                       (int) strlen(prefix),
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                       i == l ? prefix : "",
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                       *i);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        }
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering}
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic int link_status_one(
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                sd_rtnl *rtnl,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                struct udev *udev,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                sd_hwdb *hwdb,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                const char *name) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        _cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        _cleanup_udev_device_unref_ struct udev_device *d = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        char devid[2 + DECIMAL_STR_MAX(int)];
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        _cleanup_free_ char *t = NULL, *network = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL, *link = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        const char *on_color_operational, *off_color_operational,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                   *on_color_setup, *off_color_setup;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        struct ether_addr e;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        unsigned iftype;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        int r, ifindex;
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        bool have_mac;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        uint32_t mtu;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        assert(rtnl);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        assert(udev);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        assert(name);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (safe_atoi(name, &ifindex) >= 0 && ifindex > 0)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, ifindex);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        else {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (r < 0)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        return rtnl_log_create_error(r);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                r = sd_rtnl_message_append_string(req, IFLA_IFNAME, name);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (r < 0)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                return rtnl_log_create_error(r);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        r = sd_rtnl_call(rtnl, req, 0, &reply);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (r < 0)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                return log_error_errno(r, "Failed to query link: %m");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        r = sd_rtnl_message_link_get_ifindex(reply, &ifindex);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (r < 0)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                return rtnl_log_parse_error(r);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        r = sd_rtnl_message_read_string(reply, IFLA_IFNAME, &name);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (r < 0)
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering                return rtnl_log_parse_error(r);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        r = sd_rtnl_message_link_get_type(reply, &iftype);
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering        if (r < 0)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                return rtnl_log_parse_error(r);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        have_mac = sd_rtnl_message_read_ether_addr(reply, IFLA_ADDRESS, &e) >= 0;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (have_mac) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                const uint8_t *p;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                bool all_zeroes = true;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                for (p = (uint8_t*) &e; p < (uint8_t*) &e + sizeof(e); p++)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        if (*p != 0) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                                all_zeroes = false;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                                break;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (all_zeroes)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        have_mac = false;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        sd_rtnl_message_read_u32(reply, IFLA_MTU, &mtu);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        sd_network_link_get_operational_state(ifindex, &operational_state);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        sd_network_link_get_setup_state(ifindex, &setup_state);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        sd_network_link_get_dns(ifindex, &dns);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        sd_network_link_get_ntp(ifindex, &ntp);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        sd_network_link_get_domains(ifindex, &domains);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        r = sd_network_link_get_wildcard_domain(ifindex);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (r > 0) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                char *wildcard;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                wildcard = strdup("*");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (!wildcard)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        return log_oom();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (strv_consume(&domains, wildcard) < 0)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        return log_oom();
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        sprintf(devid, "n%i", ifindex);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        d = udev_device_new_from_device_id(udev, devid);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (d) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                link = udev_device_get_property_value(d, "ID_NET_LINK_FILE");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                driver = udev_device_get_property_value(d, "ID_NET_DRIVER");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                path = udev_device_get_property_value(d, "ID_PATH");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                vendor = udev_device_get_property_value(d, "ID_VENDOR_FROM_DATABASE");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (!vendor)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        vendor = udev_device_get_property_value(d, "ID_VENDOR");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                model = udev_device_get_property_value(d, "ID_MODEL_FROM_DATABASE");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (!model)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        model = udev_device_get_property_value(d, "ID_MODEL");
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        link_get_type_string(iftype, d, &t);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        sd_network_link_get_network_file(ifindex, &network);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        printf("%s%s%s %i: %s\n", on_color_operational, draw_special_char(DRAW_BLACK_CIRCLE), off_color_operational, ifindex, name);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        printf("   Link File: %s\n"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering               "Network File: %s\n"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering               "        Type: %s\n"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering               "       State: %s%s%s (%s%s%s)\n",
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering               strna(link),
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering               strna(network),
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering               strna(t),
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering               on_color_operational, strna(operational_state), off_color_operational,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering               on_color_setup, strna(setup_state), off_color_setup);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (path)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                printf("        Path: %s\n", path);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (driver)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                printf("      Driver: %s\n", driver);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (vendor)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                printf("      Vendor: %s\n", vendor);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (model)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                printf("       Model: %s\n", model);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (have_mac) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                _cleanup_free_ char *description = NULL;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                char ea[ETHER_ADDR_TO_STRING_MAX];
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                ieee_oui(hwdb, &e, &description);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                if (description)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        printf("  HW Address: %s (%s)\n", ether_addr_to_string(&e, ea), description);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                else
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                        printf("  HW Address: %s\n", ether_addr_to_string(&e, ea));
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        }
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (mtu > 0)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                printf("         MTU: %u\n", mtu);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        dump_addresses(rtnl, "     Address: ", ifindex);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        dump_gateways(rtnl, hwdb, "     Gateway: ", ifindex);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (!strv_isempty(dns))
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                dump_list("         DNS: ", dns);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering        if (!strv_isempty(domains))
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering                dump_list("      Domain: ", domains);
        if (!strv_isempty(ntp))
                dump_list("         NTP: ", ntp);

        return 0;
}

static int link_status(int argc, char *argv[], void *userdata) {
        _cleanup_hwdb_unref_ sd_hwdb *hwdb = NULL;
        _cleanup_udev_unref_ struct udev *udev = NULL;
        _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
        char **name;
        int r;

        r = sd_rtnl_open(&rtnl, 0);
        if (r < 0)
                return log_error_errno(r, "Failed to connect to netlink: %m");

        udev = udev_new();
        if (!udev)
                return log_error_errno(errno, "Failed to connect to udev: %m");

        r = sd_hwdb_new(&hwdb);
        if (r < 0)
                log_debug_errno(r, "Failed to open hardware database: %m");

        if (argc <= 1 && !arg_all) {
                _cleanup_free_ char *operational_state = NULL;
                _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL;
                const char *on_color_operational, *off_color_operational;

                sd_network_get_operational_state(&operational_state);
                operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);

                printf("%s%s%s      State: %s%s%s\n",
                       on_color_operational, draw_special_char(DRAW_BLACK_CIRCLE), off_color_operational,
                       on_color_operational, strna(operational_state), off_color_operational);

                dump_addresses(rtnl, "     Address: ", 0);
                dump_gateways(rtnl, hwdb, "     Gateway: ", 0);

                sd_network_get_dns(&dns);
                if (!strv_isempty(dns))
                        dump_list("         DNS: ", dns);

                sd_network_get_domains(&domains);
                if (!strv_isempty(domains))
                        dump_list("      Domain: ", domains);

                sd_network_get_ntp(&ntp);
                if (!strv_isempty(ntp))
                        dump_list("         NTP: ", ntp);

                return 0;
        }

        pager_open_if_enabled();

        if (arg_all) {
                _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
                _cleanup_free_ LinkInfo *links = NULL;
                int c, i;

                r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
                if (r < 0)
                        return rtnl_log_create_error(r);

                r = sd_rtnl_message_request_dump(req, true);
                if (r < 0)
                        return rtnl_log_create_error(r);

                r = sd_rtnl_call(rtnl, req, 0, &reply);
                if (r < 0)
                        return log_error_errno(r, "Failed to enumerate links: %m");

                c = decode_and_sort_links(reply, &links);
                if (c < 0)
                        return rtnl_log_parse_error(c);

                for (i = 0; i < c; i++) {
                        if (i > 0)
                                fputc('\n', stdout);

                        link_status_one(rtnl, udev, hwdb, links[i].name);
                }
        } else {
                STRV_FOREACH(name, argv + 1) {
                        if (name != argv + 1)
                                fputc('\n', stdout);

                        link_status_one(rtnl, udev, hwdb, *name);
                }
        }

        return 0;
}

const char *lldp_system_capability_to_string(LLDPSystemCapabilities d) _const_;
LLDPSystemCapabilities lldp_system_capability_from_string(const char *d) _pure_;

static const char* const lldp_system_capability_table[_LLDP_SYSTEM_CAPABILITIES_MAX + 1] = {
        [LLDP_SYSTEM_CAPABILITIES_OTHER] = "O",
        [LLDP_SYSTEM_CAPABILITIES_REPEATER] = "P",
        [LLDP_SYSTEM_CAPABILITIES_BRIDGE] = "B",
        [LLDP_SYSTEM_CAPABILITIES_WLAN_AP] = "W",
        [LLDP_SYSTEM_CAPABILITIES_ROUTER] = "R",
        [LLDP_SYSTEM_CAPABILITIES_PHONE] = "T",
        [LLDP_SYSTEM_CAPABILITIES_DOCSIS] = "D",
        [LLDP_SYSTEM_CAPABILITIES_STATION] = "A",
        [LLDP_SYSTEM_CAPABILITIES_CVLAN] = "C",
        [LLDP_SYSTEM_CAPABILITIES_SVLAN] = "S",
        [LLDP_SYSTEM_CAPABILITIES_TPMR] = "M",
        [_LLDP_SYSTEM_CAPABILITIES_MAX] = "N/A",
};

DEFINE_STRING_TABLE_LOOKUP(lldp_system_capability, LLDPSystemCapabilities);

static char *lldp_system_caps(uint16_t cap) {
        _cleanup_free_ char *s = NULL, *t = NULL;
        char *capability;

        t = strdup("[ ");
        if (!t)
                return NULL;

        if (cap & LLDP_SYSTEM_CAPABILITIES_OTHER) {
                s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_OTHER), " ", NULL);
                if (!s)
                        return NULL;

                free(t);
                t = s;
        }

        if (cap & LLDP_SYSTEM_CAPABILITIES_REPEATER) {
                s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_REPEATER), " ", NULL);
                if (!s)
                        return NULL;

                free(t);
                t = s;
        }

        if (cap & LLDP_SYSTEM_CAPABILITIES_BRIDGE) {
                s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_BRIDGE), " ", NULL);
                if (!s)
                        return NULL;

                free(t);
                t = s;
        }

        if (cap & LLDP_SYSTEM_CAPABILITIES_WLAN_AP) {
                s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_WLAN_AP), " ", NULL);
                if (!s)
                        return NULL;

                free(t);
                t = s;
        }

        if (cap & LLDP_SYSTEM_CAPABILITIES_ROUTER) {
                s =  strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_ROUTER), " ", NULL);
                if (!s)
                        return NULL;

                free(t);
                t = s;
        }

        if (cap & LLDP_SYSTEM_CAPABILITIES_PHONE) {
                s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_PHONE), " ", NULL);
                if (!s)
                        return NULL;

                free(t);
                t = s;
        }

        if (cap & LLDP_SYSTEM_CAPABILITIES_DOCSIS) {
                s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_DOCSIS), " ", NULL);
                if (!s)
                        return NULL;

                free(t);
                t = s;
        }

        if (cap & LLDP_SYSTEM_CAPABILITIES_STATION) {
                s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_STATION), " ", NULL);
                if (!s)
                        return NULL;

                free(t);
                t = s;
        }

        if (cap & LLDP_SYSTEM_CAPABILITIES_CVLAN) {
                s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_CVLAN), " ", NULL);
                if (!s)
                        return NULL;

                free(t);
                t = s;
        }

        if (cap & LLDP_SYSTEM_CAPABILITIES_SVLAN) {
                s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_SVLAN), " ", NULL);
                if (!s)
                        return NULL;

                free(t);
                t = s;
        }

        if (cap & LLDP_SYSTEM_CAPABILITIES_TPMR) {
                s = strappend(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_TPMR));
                if (!s)
                        return NULL;

                free(t);
        }

        if (!s) {
                s = strappend(t, lldp_system_capability_to_string(_LLDP_SYSTEM_CAPABILITIES_MAX));
                if (!s)
                        return NULL;

                free(t);
        }

        t = strappend(s, "]");
        if (!t)
                return NULL;

        free(s);
        capability = t;

        s = NULL;
        t = NULL;

        return capability;
}

static int link_lldp_status(int argc, char *argv[], void *userdata) {
        _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
        _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
        _cleanup_free_ LinkInfo *links = NULL;
        const char *state, *word;

        double ttl = -1;
        uint32_t capability;
        int i, r, c, j;
        size_t ll;
        char **s;

        pager_open_if_enabled();

        r = sd_rtnl_open(&rtnl, 0);
        if (r < 0)
                return log_error_errno(r, "Failed to connect to netlink: %m");

        r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
        if (r < 0)
                return rtnl_log_create_error(r);

        r = sd_rtnl_message_request_dump(req, true);
        if (r < 0)
                return rtnl_log_create_error(r);

        r = sd_rtnl_call(rtnl, req, 0, &reply);
        if (r < 0)
                return log_error_errno(r, "Failed to enumerate links: %m");

        c = decode_and_sort_links(reply, &links);
        if (c < 0)
                return rtnl_log_parse_error(c);

        if (arg_legend)
                printf("%s %16s %24s %16s %16s\n", "Local Intf", "Device ID", "Port ID", "TTL", "Capability");

        for (i = j = 0; i < c; i++) {
                _cleanup_free_ char *chassis = NULL, *port = NULL, *cap = NULL, *lldp = NULL;
                _cleanup_strv_free_ char **l = NULL;

                r = sd_network_link_get_lldp(links[i].ifindex, &lldp);
                if (r < 0)
                        continue;

                l = strv_split_newlines(lldp);
                if (!l)
                        return -ENOMEM;

                STRV_FOREACH(s, l) {
                        FOREACH_WORD_QUOTED(word, ll, *s, state) {
                                _cleanup_free_ char *t = NULL, *a = NULL, *b = NULL;

                                t = strndup(word, ll);
                                if (!t)
                                        return -ENOMEM;

                                r = split_pair(t, "=", &a, &b);
                                if (r < 0)
                                        continue;

                                if (streq(a, "_Chassis")) {
                                        chassis = strdup(b);
                                        if (!chassis)
                                                return -ENOMEM;

                                } else if (streq(a, "_Port")) {
                                        port = strdup(b);
                                        if (!port)
                                                return -ENOMEM;

                                } else if (streq(a, "_TTL")) {
                                        long long unsigned x;
                                        usec_t time;

                                        r = safe_atollu(b, &x);
                                        if (r < 0 || (usec_t) x != x)
                                                return log_warning_errno(r < 0 ? r : ERANGE,
                                                                         "Failed to parse TTL \"%s\": %m", b);

                                        time = now(CLOCK_BOOTTIME);
                                        if (x < time)
                                                continue;

                                        ttl = (double) (x - time) / USEC_PER_SEC;

                                } else if (streq(a, "_CAP")) {
                                        sscanf(b, "%x", &capability);

                                        cap = lldp_system_caps(capability);
                                }

                        }

                        if (ttl >= 0) {
                                printf("%10s %24s %16s %16f %16s\n",
                                       links[i].name,
                                       strna(chassis), strna(port),
                                       ttl, cap);
                                j++;
                        }
                }
        }

        if (arg_legend) {
                printf("\nCapability Codes:\n"
                       "(O) - Other, (P) - Repeater,  (B) - Bridge , (W) - WLAN Access Point, (R) = Router,\n"
                       "(T) - Telephone, (D) - Data Over Cable Service Interface Specifications, (A) - Station,\n"
                       "(C) - Customer VLAN, (S) - Service VLAN, (M) - Two-port MAC Relay (TPMR)\n\n");

                printf("Total entries displayed: %d\n", j);
        }

        return 0;
}

static void help(void) {
        printf("%s [OPTIONS...]\n\n"
               "Query and control the networking subsystem.\n\n"
               "  -h --help             Show this help\n"
               "     --version          Show package version\n"
               "     --no-pager         Do not pipe output into a pager\n"
               "     --no-legend        Do not show the headers and footers\n"
               "  -a --all              Show status for all links\n\n"
               "Commands:\n"
               "  list                  List links\n"
               "  status [LINK...]      Show link status\n"
               "  lldp                  Show lldp information\n"
               , program_invocation_short_name);
}

static int parse_argv(int argc, char *argv[]) {

        enum {
                ARG_VERSION = 0x100,
                ARG_NO_PAGER,
                ARG_NO_LEGEND,
        };

        static const struct option options[] = {
                { "help",      no_argument,       NULL, 'h'           },
                { "version",   no_argument,       NULL, ARG_VERSION   },
                { "no-pager",  no_argument,       NULL, ARG_NO_PAGER  },
                { "no-legend", no_argument,       NULL, ARG_NO_LEGEND },
                { "all",       no_argument,       NULL, 'a'           },
                {}
        };

        int c;

        assert(argc >= 0);
        assert(argv);

        while ((c = getopt_long(argc, argv, "ha", options, NULL)) >= 0) {

                switch (c) {

                case 'h':
                        help();
                        return 0;

                case ARG_VERSION:
                        puts(PACKAGE_STRING);
                        puts(SYSTEMD_FEATURES);
                        return 0;

                case ARG_NO_PAGER:
                        arg_no_pager = true;
                        break;

                case ARG_NO_LEGEND:
                        arg_legend = false;
                        break;

                case 'a':
                        arg_all = true;
                        break;

                case '?':
                        return -EINVAL;

                default:
                        assert_not_reached("Unhandled option");
                }
        }

        return 1;
}

static int networkctl_main(int argc, char *argv[]) {
        const Verb verbs[] = {
                { "list", VERB_ANY, 1, VERB_DEFAULT, list_links },
                { "status", 1, VERB_ANY, 0, link_status },
                { "lldp", VERB_ANY, 1, VERB_DEFAULT, link_lldp_status },
                {}
        };

        return dispatch_verb(argc, argv, verbs, NULL);
}

int main(int argc, char* argv[]) {
        int r;

        log_parse_environment();
        log_open();

        r = parse_argv(argc, argv);
        if (r <= 0)
                goto finish;

        r = networkctl_main(argc, argv);

finish:
        pager_close();

        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}