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