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https://github.com/systemd/systemd.git
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networkctl: add new switch "-a" to "networkctl status" to show verbose status of all local links
This commit is contained in:
Lennart Poettering
parent
1b17f21198
commit
9085f64a66
@ -36,6 +36,7 @@
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static bool arg_no_pager = false;
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static bool arg_legend = true;
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static bool arg_all = false;
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static void pager_open_if_enabled(void) {
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@ -208,13 +209,137 @@ static void dump_list(const char *prefix, char **l) {
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}
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}
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static int link_status_one(sd_rtnl *rtnl, struct udev *udev, const char *name) {
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_cleanup_strv_free_ char **dns = NULL, **ntp = NULL;
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_cleanup_free_ char *state = NULL, *operational_state = NULL;
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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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_cleanup_free_ char *t = NULL;
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const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL;
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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;
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for (p = (uint8_t*) &e; p < (uint8_t*) &e + sizeof(e); p++)
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if (*p != 0) {
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all_zeroes = false;
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break;
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}
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if (all_zeroes)
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have_mac = false;
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}
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sd_rtnl_message_read_u32(reply, IFLA_MTU, &mtu);
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sd_network_get_link_state(ifindex, &state);
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sd_network_get_link_operational_state(ifindex, &operational_state);
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sd_network_get_link_dns(ifindex, &dns);
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sd_network_get_link_ntp(ifindex, &ntp);
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sprintf(devid, "n%i", ifindex);
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d = udev_device_new_from_device_id(udev, devid);
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link_get_type_string(iftype, d, &t);
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if (d) {
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driver = udev_device_get_property_value(d, "ID_NET_DRIVER");
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path = udev_device_get_property_value(d, "ID_PATH");
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vendor = udev_device_get_property_value(d, "ID_VENDOR_FROM_DATABASE");
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if (!vendor)
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vendor = udev_device_get_property_value(d, "ID_VENDOR");
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model = udev_device_get_property_value(d, "ID_MODEL_FROM_DATABASE");
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if (!model)
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model = udev_device_get_property_value(d, "ID_MODEL");
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}
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printf("%i: %s\n", ifindex, name);
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printf(" Type: %s\n"
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" State: %s (%s)\n",
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strna(t),
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strna(operational_state),
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strna(state));
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if (path)
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printf(" Path: %s\n", path);
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if (driver)
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printf(" Driver: %s\n", driver);
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if (vendor)
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printf(" Vendor: %s\n", vendor);
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if (model)
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printf(" Model: %s\n", model);
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if (have_mac)
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printf(" HW Address: %s\n", ether_ntoa(&e));
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if (mtu > 0)
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printf(" MTU: %u\n", mtu);
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dump_addresses(rtnl, " Address: ", ifindex);
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if (!strv_isempty(dns))
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dump_list(" DNS: ", dns);
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if (!strv_isempty(ntp))
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dump_list(" NTP: ", ntp);
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return 0;
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}
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static int link_status(char **args, unsigned n) {
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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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char **name;
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int r;
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if (n <= 1) {
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if (n <= 1 && !arg_all) {
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_cleanup_free_ char *operational_state = NULL;
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_cleanup_strv_free_ char **dns = NULL, **ntp = NULL;
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@ -247,126 +372,53 @@ static int link_status(char **args, unsigned n) {
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return -errno;
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}
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STRV_FOREACH(name, args + 1) {
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_cleanup_strv_free_ char **dns = NULL, **ntp = NULL;
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_cleanup_free_ char *state = NULL, *operational_state = NULL;
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if (arg_all) {
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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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const char *canonical_name = NULL;
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char devid[2 + DECIMAL_STR_MAX(int)];
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int ifindex, canonical_ifindex;
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_cleanup_free_ char *t = NULL;
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const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL;
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struct ether_addr e;
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unsigned iftype;
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bool have_mac;
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uint32_t mtu;
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sd_rtnl_message *i;
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bool space = false;
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uint16_t type;
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if (name != args+1)
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printf("\n");
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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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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 query link: %s", strerror(-r));
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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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for (i = reply; i; i = sd_rtnl_message_next(i)) {
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const char *nn;
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r = sd_rtnl_message_get_type(i, &type);
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if (r < 0)
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return rtnl_log_parse_error(r);
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if (type != RTM_NEWLINK)
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continue;
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}
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r = sd_rtnl_message_link_get_ifindex(reply, &canonical_ifindex);
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r = sd_rtnl_message_read_string(i, IFLA_IFNAME, &nn);
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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, &canonical_name);
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if (r < 0)
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return rtnl_log_parse_error(r);
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if (space)
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fputc('\n', stdout);
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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;
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for (p = (uint8_t*) &e; p < (uint8_t*) &e + sizeof(e); p++)
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if (*p != 0) {
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all_zeroes = false;
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break;
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link_status_one(rtnl, udev, nn);
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space = true;
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}
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}
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if (all_zeroes)
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have_mac = false;
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}
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STRV_FOREACH(name, args + 1) {
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if (name != args+1)
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fputc('\n', stdout);
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sd_rtnl_message_read_u32(reply, IFLA_MTU, &mtu);
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sd_network_get_link_state(canonical_ifindex, &state);
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sd_network_get_link_operational_state(canonical_ifindex, &operational_state);
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sd_network_get_link_dns(canonical_ifindex, &dns);
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sd_network_get_link_ntp(canonical_ifindex, &ntp);
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sprintf(devid, "n%i", canonical_ifindex);
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d = udev_device_new_from_device_id(udev, devid);
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link_get_type_string(iftype, d, &t);
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if (d) {
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driver = udev_device_get_property_value(d, "ID_NET_DRIVER");
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path = udev_device_get_property_value(d, "ID_PATH");
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vendor = udev_device_get_property_value(d, "ID_VENDOR_FROM_DATABASE");
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if (!vendor)
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vendor = udev_device_get_property_value(d, "ID_VENDOR");
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model = udev_device_get_property_value(d, "ID_MODEL_FROM_DATABASE");
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if (!model)
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model = udev_device_get_property_value(d, "ID_MODEL");
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}
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printf("%i: %s\n", canonical_ifindex, canonical_name);
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printf(" Type: %s\n"
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" State: %s (%s)\n",
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strna(t),
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strna(operational_state),
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strna(state));
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if (path)
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printf(" Path: %s\n", path);
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if (driver)
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printf(" Driver: %s\n", driver);
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if (vendor)
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printf(" Vendor: %s\n", vendor);
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if (model)
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printf(" Model: %s\n", model);
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if (have_mac)
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printf(" HW Address: %s\n", ether_ntoa(&e));
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if (mtu > 0)
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printf(" MTU: %u\n", mtu);
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dump_addresses(rtnl, " Address: ", canonical_ifindex);
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if (!strv_isempty(dns))
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dump_list(" DNS: ", dns);
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if (!strv_isempty(ntp))
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dump_list(" NTP: ", ntp);
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link_status_one(rtnl, udev, *name);
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}
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return 0;
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@ -376,7 +428,10 @@ static void help(void) {
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printf("%s [OPTIONS...]\n\n"
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"Query and control the networking subsystem.\n\n"
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" -h --help Show this help\n"
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" --version Show package version\n\n"
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" --version Show package version\n"
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" --no-pager Do not pipe output into a pager\n"
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" --no-legend Do not show the headers and footers\n"
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" -a --all Show status for all links\n\n"
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"Commands:\n"
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" list List links\n"
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" status LINK Show link status\n"
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@ -396,6 +451,7 @@ static int parse_argv(int argc, char *argv[]) {
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{ "version", no_argument, NULL, ARG_VERSION },
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{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
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{ "no-legend", no_argument, NULL, ARG_NO_LEGEND },
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{ "all", no_argument, NULL, 'a' },
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{}
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};
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@ -404,7 +460,7 @@ static int parse_argv(int argc, char *argv[]) {
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assert(argc >= 0);
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assert(argv);
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while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
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while ((c = getopt_long(argc, argv, "ha", options, NULL)) >= 0) {
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switch (c) {
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@ -425,6 +481,10 @@ static int parse_argv(int argc, char *argv[]) {
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arg_legend = false;
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break;
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case 'a':
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arg_all = true;
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break;
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case '?':
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return -EINVAL;
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