2014-08-12 01:41:42 +02:00
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdbool.h>
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#include <getopt.h>
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#include "sd-network.h"
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#include "sd-rtnl.h"
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#include "libudev.h"
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#include "build.h"
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#include "util.h"
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#include "pager.h"
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#include "rtnl-util.h"
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#include "udev-util.h"
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#include "arphrd-list.h"
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#include "local-addresses.h"
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2014-08-15 13:18:50 +02:00
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#include "socket-util.h"
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2014-08-12 01:41:42 +02:00
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static bool arg_no_pager = false;
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static bool arg_legend = true;
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2014-08-12 15:19:30 +02:00
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static bool arg_all = false;
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2014-08-12 01:41:42 +02:00
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static void pager_open_if_enabled(void) {
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if (arg_no_pager)
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return;
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pager_open(false);
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}
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static int link_get_type_string(int iftype, struct udev_device *d, char **ret) {
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const char *t;
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char *p;
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if (iftype == ARPHRD_ETHER && d) {
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const char *devtype, *id = NULL;
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/* WLANs have iftype ARPHRD_ETHER, but we want
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* to show a more useful type string for
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* them */
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devtype = udev_device_get_devtype(d);
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if (streq_ptr(devtype, "wlan"))
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id = "wlan";
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else if (streq_ptr(devtype, "wwan"))
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id = "wwan";
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if (id) {
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p = strdup(id);
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if (!p)
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return -ENOMEM;
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*ret = p;
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return 1;
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}
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}
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t = arphrd_to_name(iftype);
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if (!t) {
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*ret = NULL;
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return 0;
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}
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p = strdup(t);
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if (!p)
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return -ENOMEM;
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ascii_strlower(p);
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*ret = p;
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return 0;
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}
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2014-08-12 16:03:45 +02:00
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typedef struct LinkInfo {
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const char *name;
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int ifindex;
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unsigned iftype;
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} LinkInfo;
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static int link_info_compare(const void *a, const void *b) {
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const LinkInfo *x = a, *y = b;
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return x->ifindex - y->ifindex;
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}
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static int decode_and_sort_links(sd_rtnl_message *m, LinkInfo **ret) {
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_cleanup_free_ LinkInfo *links = NULL;
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size_t size = 0, c = 0;
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sd_rtnl_message *i;
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int r;
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for (i = m; i; i = sd_rtnl_message_next(i)) {
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const char *name;
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unsigned iftype;
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uint16_t type;
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int ifindex;
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r = sd_rtnl_message_get_type(i, &type);
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if (r < 0)
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return r;
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if (type != RTM_NEWLINK)
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continue;
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r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
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if (r < 0)
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return r;
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r = sd_rtnl_message_read_string(i, IFLA_IFNAME, &name);
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if (r < 0)
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return r;
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r = sd_rtnl_message_link_get_type(i, &iftype);
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if (r < 0)
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return r;
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if (!GREEDY_REALLOC(links, size, c+1))
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return -ENOMEM;
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links[c].name = name;
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links[c].ifindex = ifindex;
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links[c].iftype = iftype;
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c++;
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}
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2014-08-16 23:18:32 +02:00
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qsort_safe(links, c, sizeof(LinkInfo), link_info_compare);
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2014-08-12 16:03:45 +02:00
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*ret = links;
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links = NULL;
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return (int) c;
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}
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2014-08-14 01:18:37 +02:00
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static void operational_state_to_color(const char *state, const char **on, const char **off) {
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assert(on);
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assert(off);
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if (streq_ptr(state, "routable")) {
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*on = ansi_highlight_green();
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*off = ansi_highlight_off();
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} else if (streq_ptr(state, "degraded")) {
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*on = ansi_highlight_yellow();
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*off = ansi_highlight_off();
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} else
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*on = *off = "";
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}
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static void setup_state_to_color(const char *state, const char **on, const char **off) {
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assert(on);
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assert(off);
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if (streq_ptr(state, "configured")) {
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*on = ansi_highlight_green();
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*off = ansi_highlight_off();
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} else if (streq_ptr(state, "configuring")) {
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*on = ansi_highlight_yellow();
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*off = ansi_highlight_off();
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} else if (streq_ptr(state, "failed") || streq_ptr(state, "linger")) {
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*on = ansi_highlight_red();
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*off = ansi_highlight_off();
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} else
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*on = *off = "";
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}
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2014-08-12 01:41:42 +02:00
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static int list_links(char **args, unsigned n) {
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_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
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_cleanup_udev_unref_ struct udev *udev = NULL;
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_cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
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2014-08-12 16:03:45 +02:00
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_cleanup_free_ LinkInfo *links = NULL;
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int r, c, i;
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2014-08-12 01:41:42 +02:00
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pager_open_if_enabled();
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r = sd_rtnl_open(&rtnl, 0);
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if (r < 0) {
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log_error("Failed to connect to netlink: %s", strerror(-r));
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return r;
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}
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udev = udev_new();
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if (!udev) {
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log_error("Failed to connect to udev: %m");
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return -errno;
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}
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r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
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if (r < 0)
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return rtnl_log_create_error(r);
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r = sd_rtnl_message_request_dump(req, true);
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if (r < 0)
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return rtnl_log_create_error(r);
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r = sd_rtnl_call(rtnl, req, 0, &reply);
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if (r < 0) {
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log_error("Failed to enumerate links: %s", strerror(-r));
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return r;
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}
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if (arg_legend)
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2014-08-15 12:57:33 +02:00
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printf("%3s %-16s %-18s %-11s %-10s\n", "IDX", "LINK", "TYPE", "OPERATIONAL", "SETUP");
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2014-08-12 01:41:42 +02:00
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2014-08-12 16:03:45 +02:00
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c = decode_and_sort_links(reply, &links);
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if (c < 0)
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return rtnl_log_parse_error(c);
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for (i = 0; i < c; i++) {
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2014-08-14 01:10:08 +02:00
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_cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
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2014-08-12 01:41:42 +02:00
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_cleanup_udev_device_unref_ struct udev_device *d = NULL;
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2014-08-14 01:18:37 +02:00
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const char *on_color_operational, *off_color_operational,
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*on_color_setup, *off_color_setup;
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2014-08-12 15:41:01 +02:00
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char devid[2 + DECIMAL_STR_MAX(int)];
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2014-08-12 01:41:42 +02:00
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_cleanup_free_ char *t = NULL;
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2014-08-13 22:37:45 +02:00
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sd_network_link_get_operational_state(links[i].ifindex, &operational_state);
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2014-08-14 01:18:37 +02:00
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operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
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sd_network_link_get_setup_state(links[i].ifindex, &setup_state);
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setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
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2014-08-12 01:41:42 +02:00
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2014-08-12 16:03:45 +02:00
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sprintf(devid, "n%i", links[i].ifindex);
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2014-08-12 01:41:42 +02:00
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d = udev_device_new_from_device_id(udev, devid);
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2014-08-12 16:03:45 +02:00
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link_get_type_string(links[i].iftype, d, &t);
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2014-08-12 01:41:42 +02:00
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2014-08-15 12:57:33 +02:00
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printf("%3i %-16s %-18s %s%-11s%s %s%-10s%s\n",
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2014-08-14 01:18:37 +02:00
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links[i].ifindex, links[i].name, strna(t),
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on_color_operational, strna(operational_state), off_color_operational,
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on_color_setup, strna(setup_state), off_color_setup);
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2014-08-12 01:41:42 +02:00
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}
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if (arg_legend)
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2014-08-12 16:03:45 +02:00
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printf("\n%i links listed.\n", c);
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2014-08-12 01:41:42 +02:00
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return 0;
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}
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static int dump_addresses(sd_rtnl *rtnl, const char *prefix, int ifindex) {
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_cleanup_free_ struct local_address *local = NULL;
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int r, n, i;
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n = local_addresses(rtnl, ifindex, &local);
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if (n < 0)
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return n;
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for (i = 0; i < n; i++) {
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_cleanup_free_ char *pretty = NULL;
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r = in_addr_to_string(local[i].family, &local[i].address, &pretty);
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if (r < 0)
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return r;
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printf("%*s%s\n",
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(int) strlen(prefix),
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i == 0 ? prefix : "",
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pretty);
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}
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return 0;
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}
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static void dump_list(const char *prefix, char **l) {
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char **i;
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STRV_FOREACH(i, l) {
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printf("%*s%s\n",
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(int) strlen(prefix),
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i == l ? prefix : "",
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*i);
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}
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}
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2014-08-12 15:19:30 +02:00
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static int link_status_one(sd_rtnl *rtnl, struct udev *udev, const char *name) {
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2014-08-15 03:06:11 +02:00
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_cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL;
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2014-08-14 01:10:08 +02:00
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_cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
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2014-08-12 15:19:30 +02:00
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_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
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_cleanup_udev_device_unref_ struct udev_device *d = NULL;
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char devid[2 + DECIMAL_STR_MAX(int)];
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2014-09-08 14:00:34 +02:00
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_cleanup_free_ char *t = NULL, *network = NULL;
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2014-08-12 15:19:30 +02:00
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const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL;
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2014-08-14 01:18:37 +02:00
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const char *on_color_operational, *off_color_operational,
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*on_color_setup, *off_color_setup;
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2014-08-12 15:19:30 +02:00
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struct ether_addr e;
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unsigned iftype;
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int r, ifindex;
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bool have_mac;
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uint32_t mtu;
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assert(rtnl);
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assert(udev);
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assert(name);
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if (safe_atoi(name, &ifindex) >= 0 && ifindex > 0)
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r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, ifindex);
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else {
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r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
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if (r < 0)
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return rtnl_log_create_error(r);
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r = sd_rtnl_message_append_string(req, IFLA_IFNAME, name);
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}
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if (r < 0)
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return rtnl_log_create_error(r);
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r = sd_rtnl_call(rtnl, req, 0, &reply);
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if (r < 0) {
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log_error("Failed to query link: %s", strerror(-r));
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return r;
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}
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r = sd_rtnl_message_link_get_ifindex(reply, &ifindex);
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if (r < 0)
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return rtnl_log_parse_error(r);
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r = sd_rtnl_message_read_string(reply, IFLA_IFNAME, &name);
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if (r < 0)
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return rtnl_log_parse_error(r);
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r = sd_rtnl_message_link_get_type(reply, &iftype);
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if (r < 0)
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return rtnl_log_parse_error(r);
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have_mac = sd_rtnl_message_read_ether_addr(reply, IFLA_ADDRESS, &e) >= 0;
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if (have_mac) {
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const uint8_t *p;
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|
|
bool all_zeroes = true;
|
|
|
|
|
|
|
|
for (p = (uint8_t*) &e; p < (uint8_t*) &e + sizeof(e); p++)
|
|
|
|
if (*p != 0) {
|
|
|
|
all_zeroes = false;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (all_zeroes)
|
|
|
|
have_mac = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
sd_rtnl_message_read_u32(reply, IFLA_MTU, &mtu);
|
|
|
|
|
2014-08-13 22:37:45 +02:00
|
|
|
sd_network_link_get_operational_state(ifindex, &operational_state);
|
2014-08-14 01:18:37 +02:00
|
|
|
operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
|
|
|
|
|
|
|
|
sd_network_link_get_setup_state(ifindex, &setup_state);
|
|
|
|
setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
|
2014-08-12 15:19:30 +02:00
|
|
|
|
2014-08-13 22:37:45 +02:00
|
|
|
sd_network_link_get_dns(ifindex, &dns);
|
|
|
|
sd_network_link_get_ntp(ifindex, &ntp);
|
2014-08-15 03:06:11 +02:00
|
|
|
sd_network_link_get_domains(ifindex, &domains);
|
2014-08-15 14:49:31 +02:00
|
|
|
r = sd_network_link_get_wildcard_domain(ifindex);
|
|
|
|
if (r > 0) {
|
|
|
|
char *wildcard;
|
|
|
|
|
|
|
|
wildcard = strdup("*");
|
2014-08-15 15:34:56 +02:00
|
|
|
if (!wildcard)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
if (strv_consume(&domains, wildcard) < 0)
|
|
|
|
return log_oom();
|
2014-08-15 14:49:31 +02:00
|
|
|
}
|
2014-08-12 15:19:30 +02:00
|
|
|
|
|
|
|
sprintf(devid, "n%i", ifindex);
|
|
|
|
d = udev_device_new_from_device_id(udev, devid);
|
|
|
|
|
|
|
|
link_get_type_string(iftype, d, &t);
|
|
|
|
|
|
|
|
if (d) {
|
|
|
|
driver = udev_device_get_property_value(d, "ID_NET_DRIVER");
|
|
|
|
path = udev_device_get_property_value(d, "ID_PATH");
|
|
|
|
|
|
|
|
vendor = udev_device_get_property_value(d, "ID_VENDOR_FROM_DATABASE");
|
|
|
|
if (!vendor)
|
|
|
|
vendor = udev_device_get_property_value(d, "ID_VENDOR");
|
|
|
|
|
|
|
|
model = udev_device_get_property_value(d, "ID_MODEL_FROM_DATABASE");
|
|
|
|
if (!model)
|
|
|
|
model = udev_device_get_property_value(d, "ID_MODEL");
|
|
|
|
}
|
|
|
|
|
2014-09-08 14:00:34 +02:00
|
|
|
sd_network_link_get_network_file(ifindex, &network);
|
2014-08-12 15:41:01 +02:00
|
|
|
|
2014-08-14 01:18:37 +02:00
|
|
|
printf("%s%s%s %i: %s\n", on_color_operational, draw_special_char(DRAW_BLACK_CIRCLE), off_color_operational, ifindex, name);
|
2014-08-12 15:19:30 +02:00
|
|
|
|
2014-09-08 14:00:34 +02:00
|
|
|
printf("Network File: %s\n"
|
|
|
|
" Type: %s\n"
|
2014-08-14 01:18:37 +02:00
|
|
|
" State: %s%s%s (%s%s%s)\n",
|
2014-09-08 14:00:34 +02:00
|
|
|
strna(network),
|
2014-08-12 15:19:30 +02:00
|
|
|
strna(t),
|
2014-08-14 01:18:37 +02:00
|
|
|
on_color_operational, strna(operational_state), off_color_operational,
|
|
|
|
on_color_setup, strna(setup_state), off_color_setup);
|
2014-08-12 15:19:30 +02:00
|
|
|
|
|
|
|
if (path)
|
|
|
|
printf(" Path: %s\n", path);
|
|
|
|
if (driver)
|
|
|
|
printf(" Driver: %s\n", driver);
|
|
|
|
if (vendor)
|
|
|
|
printf(" Vendor: %s\n", vendor);
|
|
|
|
if (model)
|
|
|
|
printf(" Model: %s\n", model);
|
|
|
|
|
2014-08-15 13:18:50 +02:00
|
|
|
if (have_mac) {
|
|
|
|
char ea[ETHER_ADDR_TO_STRING_MAX];
|
|
|
|
printf(" HW Address: %s\n", ether_addr_to_string(&e, ea));
|
|
|
|
}
|
2014-08-12 15:19:30 +02:00
|
|
|
|
|
|
|
if (mtu > 0)
|
|
|
|
printf(" MTU: %u\n", mtu);
|
|
|
|
|
|
|
|
dump_addresses(rtnl, " Address: ", ifindex);
|
|
|
|
|
|
|
|
if (!strv_isempty(dns))
|
|
|
|
dump_list(" DNS: ", dns);
|
2014-08-15 03:06:11 +02:00
|
|
|
if (!strv_isempty(domains))
|
2014-08-15 16:02:29 +02:00
|
|
|
dump_list(" Domain: ", domains);
|
2014-08-12 15:19:30 +02:00
|
|
|
if (!strv_isempty(ntp))
|
|
|
|
dump_list(" NTP: ", ntp);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-08-12 01:41:42 +02:00
|
|
|
static int link_status(char **args, unsigned n) {
|
|
|
|
_cleanup_udev_unref_ struct udev *udev = NULL;
|
|
|
|
_cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
|
|
|
|
char **name;
|
|
|
|
int r;
|
|
|
|
|
2014-08-12 16:19:37 +02:00
|
|
|
r = sd_rtnl_open(&rtnl, 0);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to connect to netlink: %s", strerror(-r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
udev = udev_new();
|
|
|
|
if (!udev) {
|
|
|
|
log_error("Failed to connect to udev: %m");
|
|
|
|
return -errno;
|
|
|
|
}
|
|
|
|
|
2014-08-12 15:19:30 +02:00
|
|
|
if (n <= 1 && !arg_all) {
|
2014-08-12 01:41:42 +02:00
|
|
|
_cleanup_free_ char *operational_state = NULL;
|
2014-08-15 16:02:29 +02:00
|
|
|
_cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL;
|
2014-08-12 16:19:37 +02:00
|
|
|
_cleanup_free_ struct local_address *addresses = NULL;
|
2014-08-14 01:23:20 +02:00
|
|
|
const char *on_color_operational, *off_color_operational;
|
2014-08-12 16:19:37 +02:00
|
|
|
int i, c;
|
2014-08-12 01:41:42 +02:00
|
|
|
|
2014-08-12 15:05:21 +02:00
|
|
|
sd_network_get_operational_state(&operational_state);
|
2014-08-14 01:23:20 +02:00
|
|
|
operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
|
2014-08-13 22:02:27 +02:00
|
|
|
|
2014-08-14 01:23:20 +02:00
|
|
|
printf(" State: %s%s%s\n", on_color_operational, strna(operational_state), off_color_operational);
|
2014-08-12 15:05:21 +02:00
|
|
|
|
2014-08-12 16:19:37 +02:00
|
|
|
c = local_addresses(rtnl, 0, &addresses);
|
|
|
|
for (i = 0; i < c; i++) {
|
|
|
|
_cleanup_free_ char *pretty = NULL;
|
|
|
|
|
|
|
|
r = in_addr_to_string(addresses[i].family, &addresses[i].address, &pretty);
|
|
|
|
if (r < 0)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
printf("%13s %s\n",
|
|
|
|
i > 0 ? "" : "Address:", pretty);
|
|
|
|
}
|
|
|
|
|
2014-08-12 15:05:21 +02:00
|
|
|
sd_network_get_dns(&dns);
|
|
|
|
if (!strv_isempty(dns))
|
|
|
|
dump_list(" DNS: ", dns);
|
|
|
|
|
2014-08-15 16:02:29 +02:00
|
|
|
sd_network_get_domains(&domains);
|
|
|
|
if (!strv_isempty(domains))
|
|
|
|
dump_list(" Domain: ", domains);
|
|
|
|
|
2014-08-18 23:22:26 +02:00
|
|
|
sd_network_get_ntp(&ntp);
|
2014-08-12 15:05:21 +02:00
|
|
|
if (!strv_isempty(ntp))
|
|
|
|
dump_list(" NTP: ", ntp);
|
2014-08-12 01:41:42 +02:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
pager_open_if_enabled();
|
|
|
|
|
2014-08-12 15:19:30 +02:00
|
|
|
if (arg_all) {
|
2014-08-12 01:41:42 +02:00
|
|
|
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
|
2014-08-12 16:03:45 +02:00
|
|
|
_cleanup_free_ LinkInfo *links = NULL;
|
|
|
|
int c, i;
|
2014-08-12 01:41:42 +02:00
|
|
|
|
2014-08-12 15:19:30 +02:00
|
|
|
r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
|
|
|
|
if (r < 0)
|
|
|
|
return rtnl_log_create_error(r);
|
2014-08-12 01:41:42 +02:00
|
|
|
|
2014-08-12 15:19:30 +02:00
|
|
|
r = sd_rtnl_message_request_dump(req, true);
|
2014-08-12 01:41:42 +02:00
|
|
|
if (r < 0)
|
|
|
|
return rtnl_log_create_error(r);
|
|
|
|
|
|
|
|
r = sd_rtnl_call(rtnl, req, 0, &reply);
|
|
|
|
if (r < 0) {
|
2014-08-12 15:19:30 +02:00
|
|
|
log_error("Failed to enumerate links: %s", strerror(-r));
|
|
|
|
return r;
|
2014-08-12 01:41:42 +02:00
|
|
|
}
|
|
|
|
|
2014-08-12 16:03:45 +02:00
|
|
|
c = decode_and_sort_links(reply, &links);
|
|
|
|
if (c < 0)
|
|
|
|
return rtnl_log_parse_error(c);
|
2014-08-12 01:41:42 +02:00
|
|
|
|
2014-08-12 16:03:45 +02:00
|
|
|
for (i = 0; i < c; i++) {
|
|
|
|
if (i > 0)
|
2014-08-12 15:19:30 +02:00
|
|
|
fputc('\n', stdout);
|
2014-08-12 01:41:42 +02:00
|
|
|
|
2014-08-12 16:03:45 +02:00
|
|
|
link_status_one(rtnl, udev, links[i].name);
|
2014-08-12 01:41:42 +02:00
|
|
|
}
|
2014-08-12 15:19:30 +02:00
|
|
|
}
|
2014-08-12 01:41:42 +02:00
|
|
|
|
2014-08-12 15:19:30 +02:00
|
|
|
STRV_FOREACH(name, args + 1) {
|
|
|
|
if (name != args+1)
|
|
|
|
fputc('\n', stdout);
|
2014-08-12 01:41:42 +02:00
|
|
|
|
2014-08-12 15:19:30 +02:00
|
|
|
link_status_one(rtnl, udev, *name);
|
2014-08-12 01:41:42 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
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"
|
2014-08-12 15:19:30 +02:00
|
|
|
" --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"
|
2014-08-12 01:41:42 +02:00
|
|
|
"Commands:\n"
|
|
|
|
" list List links\n"
|
|
|
|
" status LINK Show link status\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 },
|
2014-08-12 15:19:30 +02:00
|
|
|
{ "all", no_argument, NULL, 'a' },
|
2014-08-12 01:41:42 +02:00
|
|
|
{}
|
|
|
|
};
|
|
|
|
|
|
|
|
int c;
|
|
|
|
|
|
|
|
assert(argc >= 0);
|
|
|
|
assert(argv);
|
|
|
|
|
2014-08-12 15:19:30 +02:00
|
|
|
while ((c = getopt_long(argc, argv, "ha", options, NULL)) >= 0) {
|
2014-08-12 01:41:42 +02:00
|
|
|
|
|
|
|
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;
|
|
|
|
|
2014-08-12 15:19:30 +02:00
|
|
|
case 'a':
|
|
|
|
arg_all = true;
|
|
|
|
break;
|
|
|
|
|
2014-08-12 01:41:42 +02:00
|
|
|
case '?':
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
default:
|
|
|
|
assert_not_reached("Unhandled option");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int networkctl_main(int argc, char *argv[]) {
|
|
|
|
|
|
|
|
static const struct {
|
|
|
|
const char* verb;
|
|
|
|
const enum {
|
|
|
|
MORE,
|
|
|
|
LESS,
|
|
|
|
EQUAL
|
|
|
|
} argc_cmp;
|
|
|
|
const int argc;
|
|
|
|
int (* const dispatch)(char **args, unsigned n);
|
|
|
|
} verbs[] = {
|
|
|
|
{ "list", LESS, 1, list_links },
|
|
|
|
{ "status", MORE, 1, link_status },
|
|
|
|
};
|
|
|
|
|
|
|
|
int left;
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
assert(argc >= 0);
|
|
|
|
assert(argv);
|
|
|
|
|
|
|
|
left = argc - optind;
|
|
|
|
|
|
|
|
if (left <= 0)
|
|
|
|
/* Special rule: no arguments means "list" */
|
|
|
|
i = 0;
|
|
|
|
else {
|
|
|
|
if (streq(argv[optind], "help")) {
|
|
|
|
help();
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < ELEMENTSOF(verbs); i++)
|
|
|
|
if (streq(argv[optind], verbs[i].verb))
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (i >= ELEMENTSOF(verbs)) {
|
|
|
|
log_error("Unknown operation %s", argv[optind]);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (verbs[i].argc_cmp) {
|
|
|
|
|
|
|
|
case EQUAL:
|
|
|
|
if (left != verbs[i].argc) {
|
|
|
|
log_error("Invalid number of arguments.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
case MORE:
|
|
|
|
if (left < verbs[i].argc) {
|
|
|
|
log_error("Too few arguments.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LESS:
|
|
|
|
if (left > verbs[i].argc) {
|
|
|
|
log_error("Too many arguments.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
assert_not_reached("Unknown comparison operator.");
|
|
|
|
}
|
|
|
|
|
|
|
|
return verbs[i].dispatch(argv + optind, left);
|
|
|
|
}
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|