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networkctl: split out helper function
[thirdparty/systemd.git] / src / network / networkctl.c
CommitLineData
53e1b683 1/* SPDX-License-Identifier: LGPL-2.1+ */
ee8c4568 2
ee8c4568 3#include <getopt.h>
d37b7627 4#include <linux/if_addrlabel.h>
1693a943 5#include <net/if.h>
3f6fd1ba 6#include <stdbool.h>
ca78ad1d
ZJS		 7#include <sys/stat.h>
8#include <sys/types.h>
9#include <unistd.h>
ee8c4568 10
335dd8ba 11#include "sd-bus.h"
914d6c09 12#include "sd-device.h"
3f6fd1ba 13#include "sd-hwdb.h"
34437b4f 14#include "sd-lldp.h"
3f6fd1ba
LP		 15#include "sd-netlink.h"
16#include "sd-network.h"
ee8c4568 17
b5efdb8a 18#include "alloc-util.h"
3f6fd1ba 19#include "arphrd-list.h"
335dd8ba
YW		 20#include "bus-common-errors.h"
21#include "bus-error.h"
22#include "bus-util.h"
914d6c09 23#include "device-util.h"
3f6fd1ba 24#include "ether-addr-util.h"
c967d2c7 25#include "ethtool-util.h"
34437b4f 26#include "fd-util.h"
ff7c88a2 27#include "format-table.h"
518a66ec 28#include "format-util.h"
81fd1dd3 29#include "hwdb-util.h"
ee8c4568 30#include "local-addresses.h"
8752c575 31#include "locale-util.h"
d37b7627 32#include "macro.h"
4e2ca442 33#include "main-func.h"
3f6fd1ba
LP		 34#include "netlink-util.h"
35#include "pager.h"
6bedfcbb 36#include "parse-util.h"
294bf0c3 37#include "pretty-print.h"
9cd8c766 38#include "set.h"
db73295a 39#include "socket-util.h"
760877e9 40#include "sort-util.h"
34437b4f 41#include "sparse-endian.h"
d054f0a4 42#include "stdio-util.h"
8b43440b 43#include "string-table.h"
8752c575 44#include "string-util.h"
3f6fd1ba 45#include "strv.h"
2388b2f4 46#include "strxcpyx.h"
288a74cc 47#include "terminal-util.h"
3f6fd1ba 48#include "verbs.h"
ee8c4568 49
c82d1bf2
SS		 50/* Kernel defines MODULE_NAME_LEN as 64 - sizeof(unsigned long). So, 64 is enough. */
51#define NETDEV_KIND_MAX 64
52
0221d68a 53static PagerFlags arg_pager_flags = 0;
ee8c4568 54static bool arg_legend = true;
9085f64a 55static bool arg_all = false;
a459b24f 56static bool arg_stats = false;
ee8c4568 57
b55822c3 58static char *link_get_type_string(unsigned short iftype, sd_device *d) {
2c740afd 59 const char *t, *devtype;
ee8c4568
LP		 60 char *p;
61
2c740afd
YW		 62 if (d &&
63 sd_device_get_devtype(d, &devtype) >= 0 &&
64 !isempty(devtype))
65 return strdup(devtype);
ee8c4568
LP		 66
67 t = arphrd_to_name(iftype);
b55822c3
JD		 68 if (!t)
69 return NULL;
ee8c4568
LP		 70
71 p = strdup(t);
72 if (!p)
b55822c3 73 return NULL;
ee8c4568
LP		 74
75 ascii_strlower(p);
b55822c3 76 return p;
ee8c4568
LP		 77}
78
ceb366df 79static void operational_state_to_color(const char *name, const char *state, const char **on, const char **off) {
7e5a080a
LP		 80 assert(on);
81 assert(off);
82
ceb366df
ZJS		 83 if (STRPTR_IN_SET(state, "routable", "enslaved") ||
84 (streq_ptr(name, "lo") && streq_ptr(state, "carrier"))) {
7e5a080a
LP		 85 *on = ansi_highlight_green();
86 *off = ansi_normal();
87 } else if (streq_ptr(state, "degraded")) {
88 *on = ansi_highlight_yellow();
89 *off = ansi_normal();
90 } else
91 *on = *off = "";
92}
93
94static void setup_state_to_color(const char *state, const char **on, const char **off) {
95 assert(on);
96 assert(off);
97
98 if (streq_ptr(state, "configured")) {
99 *on = ansi_highlight_green();
100 *off = ansi_normal();
101 } else if (streq_ptr(state, "configuring")) {
102 *on = ansi_highlight_yellow();
103 *off = ansi_normal();
1cf03a4f 104 } else if (STRPTR_IN_SET(state, "failed", "linger")) {
7e5a080a
LP		 105 *on = ansi_highlight_red();
106 *off = ansi_normal();
107 } else
108 *on = *off = "";
109}
110
b24281aa
SS		 111typedef struct VxLanInfo {
112 uint32_t vni;
113 uint32_t link;
114
115 int local_family;
116 int group_family;
117
118 union in_addr_union local;
119 union in_addr_union group;
120
121 uint16_t dest_port;
122
123} VxLanInfo;
124
6d0c65ff 125typedef struct LinkInfo {
e997c4b0 126 char name[IFNAMSIZ+1];
c82d1bf2 127 char netdev_kind[NETDEV_KIND_MAX];
6d0c65ff 128 int ifindex;
1c4a6088 129 unsigned short iftype;
b147503e
LP		 130 struct ether_addr mac_address;
131 uint32_t mtu;
2c73f59b
SS		 132 uint32_t min_mtu;
133 uint32_t max_mtu;
0307afc6
SS		 134 uint32_t tx_queues;
135 uint32_t rx_queues;
b147503e 136
a459b24f
YW		 137 union {
138 struct rtnl_link_stats64 stats64;
139 struct rtnl_link_stats stats;
140 };
141
42a63431
YW		 142 uint64_t tx_bitrate;
143 uint64_t rx_bitrate;
335dd8ba 144
c82d1bf2
SS		 145 /* bridge info */
146 uint32_t forward_delay;
147 uint32_t hello_time;
148 uint32_t max_age;
149 uint32_t ageing_time;
150 uint32_t stp_state;
151 uint16_t priority;
152 uint8_t mcast_igmp_version;
153
b24281aa
SS		 154 /* vxlan info */
155 VxLanInfo vxlan_info;
156
c967d2c7
YW		 157 /* ethtool info */
158 int autonegotiation;
159 size_t speed;
160 Duplex duplex;
161 NetDevPort port;
162
b147503e 163 bool has_mac_address:1;
0307afc6
SS		 164 bool has_tx_queues:1;
165 bool has_rx_queues:1;
a459b24f
YW		 166 bool has_stats64:1;
167 bool has_stats:1;
335dd8ba 168 bool has_bitrates:1;
c967d2c7 169 bool has_ethtool_link_info:1;
6d0c65ff
LP		 170} LinkInfo;
171
93bab288
YW		 172static int link_info_compare(const LinkInfo *a, const LinkInfo *b) {
173 return CMP(a->ifindex, b->ifindex);
6d0c65ff
LP		 174}
175
c82d1bf2
SS		 176static int decode_netdev(sd_netlink_message *m, LinkInfo *info) {
177 const char *received_kind;
178 int r;
179
180 assert(m);
181 assert(info);
182
183 r = sd_netlink_message_enter_container(m, IFLA_LINKINFO);
184 if (r < 0)
185 return r;
186
187 r = sd_netlink_message_read_string(m, IFLA_INFO_KIND, &received_kind);
188 if (r < 0)
189 return r;
190
191 r = sd_netlink_message_enter_container(m, IFLA_INFO_DATA);
192 if (r < 0)
193 return r;
194
195 if (streq(received_kind, "bridge")) {
196 (void) sd_netlink_message_read_u32(m, IFLA_BR_FORWARD_DELAY, &info->forward_delay);
197 (void) sd_netlink_message_read_u32(m, IFLA_BR_HELLO_TIME, &info->hello_time);
198 (void) sd_netlink_message_read_u32(m, IFLA_BR_MAX_AGE, &info->max_age);
199 (void) sd_netlink_message_read_u32(m, IFLA_BR_AGEING_TIME, &info->ageing_time);
200 (void) sd_netlink_message_read_u32(m, IFLA_BR_STP_STATE, &info->stp_state);
201 (void) sd_netlink_message_read_u16(m, IFLA_BR_PRIORITY, &info->priority);
202 (void) sd_netlink_message_read_u8(m, IFLA_BR_MCAST_IGMP_VERSION, &info->mcast_igmp_version);
b24281aa
SS		 203
204 } else if (streq(received_kind, "vxlan")) {
205 (void) sd_netlink_message_read_u32(m, IFLA_VXLAN_ID, &info->vxlan_info.vni);
206
207 r = sd_netlink_message_read_in_addr(m, IFLA_VXLAN_GROUP, &info->vxlan_info.group.in);
208 if (r >= 0)
209 info->vxlan_info.group_family = AF_INET;
210 else {
211 r = sd_netlink_message_read_in6_addr(m, IFLA_VXLAN_GROUP6, &info->vxlan_info.group.in6);
212 if (r >= 0)
213 info->vxlan_info.group_family = AF_INET6;
214 }
215
216 r = sd_netlink_message_read_in_addr(m, IFLA_VXLAN_LOCAL, &info->vxlan_info.local.in);
217 if (r >= 0)
218 info->vxlan_info.local_family = AF_INET;
219 else {
220 r = sd_netlink_message_read_in6_addr(m, IFLA_VXLAN_LOCAL6, &info->vxlan_info.local.in6);
221 if (r >= 0)
222 info->vxlan_info.local_family = AF_INET6;
223 }
224
225 (void) sd_netlink_message_read_u32(m, IFLA_VXLAN_LINK, &info->vxlan_info.link);
226 (void) sd_netlink_message_read_u16(m, IFLA_VXLAN_PORT, &info->vxlan_info.dest_port);
c82d1bf2
SS		 227 }
228
229 strncpy(info->netdev_kind, received_kind, IFNAMSIZ);
230
231 (void) sd_netlink_message_exit_container(m);
232 (void) sd_netlink_message_exit_container(m);
233
234 return 0;
235}
236
a6962904 237static int decode_link(sd_netlink_message *m, LinkInfo *info, char **patterns) {
e997c4b0 238 const char *name;
a6962904 239 int ifindex, r;
c82d1bf2 240 uint16_t type;
6d0c65ff 241
e997c4b0
LP		 242 assert(m);
243 assert(info);
6d0c65ff 244
e997c4b0
LP		 245 r = sd_netlink_message_get_type(m, &type);
246 if (r < 0)
247 return r;
6d0c65ff 248
e997c4b0
LP		 249 if (type != RTM_NEWLINK)
250 return 0;
6d0c65ff 251
a6962904 252 r = sd_rtnl_message_link_get_ifindex(m, &ifindex);
e997c4b0
LP		 253 if (r < 0)
254 return r;
6d0c65ff 255
e997c4b0
LP		 256 r = sd_netlink_message_read_string(m, IFLA_IFNAME, &name);
257 if (r < 0)
258 return r;
6d0c65ff 259
a6962904
YW		 260 if (patterns) {
261 char str[DECIMAL_STR_MAX(int)];
262
263 xsprintf(str, "%i", ifindex);
264
265 if (!strv_fnmatch(patterns, str, 0) && !strv_fnmatch(patterns, name, 0))
266 return 0;
267 }
268
b147503e 269 r = sd_rtnl_message_link_get_type(m, &info->iftype);
e997c4b0
LP		 270 if (r < 0)
271 return r;
6d0c65ff 272
2388b2f4 273 strscpy(info->name, sizeof info->name, name);
a6962904 274 info->ifindex = ifindex;
b147503e
LP		 275
276 info->has_mac_address =
277 sd_netlink_message_read_ether_addr(m, IFLA_ADDRESS, &info->mac_address) >= 0 &&
72e551f4 278 memcmp(&info->mac_address, &ETHER_ADDR_NULL, sizeof(struct ether_addr)) != 0;
b147503e 279
c06ff86e
YW		 280 (void) sd_netlink_message_read_u32(m, IFLA_MTU, &info->mtu);
281 (void) sd_netlink_message_read_u32(m, IFLA_MIN_MTU, &info->min_mtu);
282 (void) sd_netlink_message_read_u32(m, IFLA_MAX_MTU, &info->max_mtu);
2c73f59b 283
0307afc6
SS		 284 info->has_rx_queues =
285 sd_netlink_message_read_u32(m, IFLA_NUM_RX_QUEUES, &info->rx_queues) >= 0 &&
286 info->rx_queues > 0;
287
288 info->has_tx_queues =
289 sd_netlink_message_read_u32(m, IFLA_NUM_TX_QUEUES, &info->tx_queues) >= 0 &&
290 info->tx_queues > 0;
291
a459b24f
YW		 292 if (sd_netlink_message_read(m, IFLA_STATS64, sizeof info->stats64, &info->stats64) >= 0)
293 info->has_stats64 = true;
294 else if (sd_netlink_message_read(m, IFLA_STATS, sizeof info->stats, &info->stats) >= 0)
295 info->has_stats = true;
296
c82d1bf2
SS		 297 /* fill kind info */
298 (void) decode_netdev(m, info);
299
e997c4b0
LP		 300 return 1;
301}
302
335dd8ba
YW		 303static int acquire_link_bitrates(sd_bus *bus, LinkInfo *link) {
304 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
305 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
306 _cleanup_free_ char *path = NULL, *ifindex_str = NULL;
307 int r;
308
309 if (asprintf(&ifindex_str, "%i", link->ifindex) < 0)
310 return -ENOMEM;
311
312 r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex_str, &path);
313 if (r < 0)
314 return r;
315
316 r = sd_bus_call_method(
317 bus,
318 "org.freedesktop.network1",
319 path,
320 "org.freedesktop.DBus.Properties",
321 "Get",
322 &error,
323 &reply,
324 "ss",
325 "org.freedesktop.network1.Link",
326 "BitRates");
327 if (r < 0) {
8210a61a
ZJS		 328 bool quiet = sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_PROPERTY) ||
329 sd_bus_error_has_name(&error, BUS_ERROR_SPEED_METER_INACTIVE);
330
331 return log_full_errno(quiet ? LOG_DEBUG : LOG_WARNING,
332 r, "Failed to query link bit rates: %s", bus_error_message(&error, r));
335dd8ba
YW		 333 }
334
42a63431 335 r = sd_bus_message_enter_container(reply, 'v', "(tt)");
335dd8ba
YW		 336 if (r < 0)
337 return bus_log_parse_error(r);
338
42a63431 339 r = sd_bus_message_read(reply, "(tt)", &link->tx_bitrate, &link->rx_bitrate);
335dd8ba
YW		 340 if (r < 0)
341 return bus_log_parse_error(r);
342
343 r = sd_bus_message_exit_container(reply);
344 if (r < 0)
345 return bus_log_parse_error(r);
346
42a63431 347 link->has_bitrates = true;
335dd8ba
YW		 348
349 return 0;
350}
351
516e9c80
ZJS		 352static void acquire_ether_link_info(int *fd, LinkInfo *link) {
353 if (ethtool_get_link_info(fd, link->name,
354 &link->autonegotiation,
355 &link->speed,
356 &link->duplex,
357 &link->port) >= 0)
358 link->has_ethtool_link_info = true;
359}
360
335dd8ba 361static int acquire_link_info(sd_bus *bus, sd_netlink *rtnl, char **patterns, LinkInfo **ret) {
4afd3348 362 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
7e5a080a 363 _cleanup_free_ LinkInfo *links = NULL;
c967d2c7 364 _cleanup_close_ int fd = -1;
335dd8ba 365 size_t allocated = 0, c = 0, j;
7e5a080a 366 sd_netlink_message *i;
7d367b45
LP		 367 int r;
368
b147503e 369 assert(rtnl);
7d367b45 370 assert(ret);
ee8c4568 371
ee8c4568
LP		 372 r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
373 if (r < 0)
374 return rtnl_log_create_error(r);
375
1c4baffc 376 r = sd_netlink_message_request_dump(req, true);
ee8c4568
LP		 377 if (r < 0)
378 return rtnl_log_create_error(r);
379
1c4baffc 380 r = sd_netlink_call(rtnl, req, 0, &reply);
f647962d
MS		 381 if (r < 0)
382 return log_error_errno(r, "Failed to enumerate links: %m");
ee8c4568 383
7e5a080a 384 for (i = reply; i; i = sd_netlink_message_next(i)) {
5ca50482 385 if (!GREEDY_REALLOC0(links, allocated, c+1))
7e5a080a 386 return -ENOMEM;
7d367b45 387
a6962904 388 r = decode_link(i, links + c, patterns);
7e5a080a
LP		 389 if (r < 0)
390 return r;
c967d2c7
YW		 391 if (r == 0)
392 continue;
393
516e9c80 394 acquire_ether_link_info(&fd, &links[c]);
c967d2c7
YW		 395
396 c++;
7e5a080a
LP		 397 }
398
93bab288 399 typesafe_qsort(links, c, link_info_compare);
7e5a080a 400
335dd8ba
YW		 401 if (bus)
402 for (j = 0; j < c; j++)
403 (void) acquire_link_bitrates(bus, links + j);
404
1cc6c93a 405 *ret = TAKE_PTR(links);
7e5a080a
LP		 406
407 return (int) c;
7d367b45 408}
ee8c4568 409
7d367b45 410static int list_links(int argc, char *argv[], void *userdata) {
b147503e 411 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
7d367b45 412 _cleanup_free_ LinkInfo *links = NULL;
ff7c88a2
YW		 413 _cleanup_(table_unrefp) Table *table = NULL;
414 TableCell *cell;
b147503e
LP		 415 int c, i, r;
416
417 r = sd_netlink_open(&rtnl);
418 if (r < 0)
419 return log_error_errno(r, "Failed to connect to netlink: %m");
7d367b45 420
335dd8ba 421 c = acquire_link_info(NULL, rtnl, argc > 1 ? argv + 1 : NULL, &links);
6d0c65ff 422 if (c < 0)
7d367b45
LP		 423 return c;
424
0221d68a 425 (void) pager_open(arg_pager_flags);
7d367b45 426
4252171a 427 table = table_new("idx", "link", "type", "operational", "setup");
ff7c88a2
YW		 428 if (!table)
429 return log_oom();
430
431 table_set_header(table, arg_legend);
432
433 assert_se(cell = table_get_cell(table, 0, 0));
434 (void) table_set_minimum_width(table, cell, 3);
435 (void) table_set_weight(table, cell, 0);
81914d9f 436 (void) table_set_ellipsize_percent(table, cell, 100);
ff7c88a2
YW		 437 (void) table_set_align_percent(table, cell, 100);
438
439 assert_se(cell = table_get_cell(table, 0, 1));
81914d9f 440 (void) table_set_ellipsize_percent(table, cell, 100);
6d0c65ff
LP		 441
442 for (i = 0; i < c; i++) {
ab1525bc 443 _cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
4afd3348 444 _cleanup_(sd_device_unrefp) sd_device *d = NULL;
d57c365b
LP		 445 const char *on_color_operational, *off_color_operational,
446 *on_color_setup, *off_color_setup;
7d6884b6 447 char devid[2 + DECIMAL_STR_MAX(int)];
ee8c4568 448 _cleanup_free_ char *t = NULL;
ee8c4568 449
4abd866d 450 (void) sd_network_link_get_operational_state(links[i].ifindex, &operational_state);
ceb366df 451 operational_state_to_color(links[i].name, operational_state, &on_color_operational, &off_color_operational);
d57c365b 452
33d5013d
LP		 453 r = sd_network_link_get_setup_state(links[i].ifindex, &setup_state);
454 if (r == -ENODATA) /* If there's no info available about this iface, it's unmanaged by networkd */
455 setup_state = strdup("unmanaged");
d57c365b 456 setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
ee8c4568 457
691d4da9
LP		 458 xsprintf(devid, "n%i", links[i].ifindex);
459 (void) sd_device_new_from_device_id(&d, devid);
ee8c4568 460
b55822c3 461 t = link_get_type_string(links[i].iftype, d);
ee8c4568 462
ff7c88a2 463 r = table_add_many(table,
8d0e0af2 464 TABLE_INT, links[i].ifindex,
ff7c88a2 465 TABLE_STRING, links[i].name,
8d0e0af2
YW		 466 TABLE_STRING, strna(t),
467 TABLE_STRING, strna(operational_state),
468 TABLE_SET_COLOR, on_color_operational,
469 TABLE_STRING, strna(setup_state),
470 TABLE_SET_COLOR, on_color_setup);
ff7c88a2
YW		 471 if (r < 0)
472 return r;
ee8c4568
LP		 473 }
474
ff7c88a2
YW		 475 r = table_print(table, NULL);
476 if (r < 0)
477 return log_error_errno(r, "Failed to print table: %m");
478
ee8c4568 479 if (arg_legend)
6d0c65ff 480 printf("\n%i links listed.\n", c);
ee8c4568
LP		 481
482 return 0;
483}
484
c09da729 485/* IEEE Organizationally Unique Identifier vendor string */
b147503e 486static int ieee_oui(sd_hwdb *hwdb, const struct ether_addr *mac, char **ret) {
81fd1dd3 487 const char *description;
fbd0b64f 488 char modalias[STRLEN("OUI:XXYYXXYYXXYY") + 1], *desc;
81fd1dd3
TG		 489 int r;
490
491 assert(ret);
c09da729 492
888943fc
LP		 493 if (!hwdb)
494 return -EINVAL;
495
81fd1dd3
TG		 496 if (!mac)
497 return -EINVAL;
498
c09da729
TG		 499 /* skip commonly misused 00:00:00 (Xerox) prefix */
500 if (memcmp(mac, "\0\0\0", 3) == 0)
501 return -EINVAL;
502
d054f0a4
DM		 503 xsprintf(modalias, "OUI:" ETHER_ADDR_FORMAT_STR,
504 ETHER_ADDR_FORMAT_VAL(*mac));
c09da729 505
81fd1dd3
TG		 506 r = sd_hwdb_get(hwdb, modalias, "ID_OUI_FROM_DATABASE", &description);
507 if (r < 0)
508 return r;
c09da729 509
81fd1dd3
TG		 510 desc = strdup(description);
511 if (!desc)
512 return -ENOMEM;
c09da729 513
81fd1dd3
TG		 514 *ret = desc;
515
516 return 0;
c09da729
TG		 517}
518
69fb1176 519static int get_gateway_description(
1c4baffc 520 sd_netlink *rtnl,
81fd1dd3 521 sd_hwdb *hwdb,
69fb1176
LP		 522 int ifindex,
523 int family,
524 union in_addr_union *gateway,
525 char **gateway_description) {
4afd3348 526 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
1c4baffc 527 sd_netlink_message *m;
c09da729
TG		 528 int r;
529
530 assert(rtnl);
531 assert(ifindex >= 0);
4c701096 532 assert(IN_SET(family, AF_INET, AF_INET6));
c09da729
TG		 533 assert(gateway);
534 assert(gateway_description);
535
536 r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_GETNEIGH, ifindex, family);
537 if (r < 0)
538 return r;
539
1c4baffc 540 r = sd_netlink_message_request_dump(req, true);
c09da729
TG		 541 if (r < 0)
542 return r;
543
1c4baffc 544 r = sd_netlink_call(rtnl, req, 0, &reply);
c09da729
TG		 545 if (r < 0)
546 return r;
547
1c4baffc 548 for (m = reply; m; m = sd_netlink_message_next(m)) {
67a46833
YW		 549 union in_addr_union gw = IN_ADDR_NULL;
550 struct ether_addr mac = ETHER_ADDR_NULL;
c09da729
TG		 551 uint16_t type;
552 int ifi, fam;
553
1c4baffc 554 r = sd_netlink_message_get_errno(m);
c09da729
TG		 555 if (r < 0) {
556 log_error_errno(r, "got error: %m");
557 continue;
558 }
559
1c4baffc 560 r = sd_netlink_message_get_type(m, &type);
c09da729
TG		 561 if (r < 0) {
562 log_error_errno(r, "could not get type: %m");
563 continue;
564 }
565
566 if (type != RTM_NEWNEIGH) {
567 log_error("type is not RTM_NEWNEIGH");
568 continue;
569 }
570
571 r = sd_rtnl_message_neigh_get_family(m, &fam);
572 if (r < 0) {
573 log_error_errno(r, "could not get family: %m");
574 continue;
575 }
576
577 if (fam != family) {
578 log_error("family is not correct");
579 continue;
580 }
581
582 r = sd_rtnl_message_neigh_get_ifindex(m, &ifi);
583 if (r < 0) {
144232a8 584 log_error_errno(r, "could not get ifindex: %m");
c09da729
TG		 585 continue;
586 }
587
588 if (ifindex > 0 && ifi != ifindex)
589 continue;
590
591 switch (fam) {
592 case AF_INET:
1c4baffc 593 r = sd_netlink_message_read_in_addr(m, NDA_DST, &gw.in);
c09da729
TG		 594 if (r < 0)
595 continue;
596
597 break;
598 case AF_INET6:
1c4baffc 599 r = sd_netlink_message_read_in6_addr(m, NDA_DST, &gw.in6);
c09da729
TG		 600 if (r < 0)
601 continue;
602
603 break;
604 default:
605 continue;
606 }
607
608 if (!in_addr_equal(fam, &gw, gateway))
609 continue;
610
49808e0e 611 r = sd_netlink_message_read(m, NDA_LLADDR, sizeof(mac), &mac);
c09da729
TG		 612 if (r < 0)
613 continue;
614
615 r = ieee_oui(hwdb, &mac, gateway_description);
616 if (r < 0)
617 continue;
618
619 return 0;
620 }
621
622 return -ENODATA;
623}
624
69fb1176 625static int dump_gateways(
1c4baffc 626 sd_netlink *rtnl,
81fd1dd3 627 sd_hwdb *hwdb,
98d5bef3 628 Table *table,
69fb1176 629 int ifindex) {
b6a3ca6d
TG		 630 _cleanup_free_ struct local_address *local = NULL;
631 int r, n, i;
c09da729 632
837f57da 633 assert(rtnl);
98d5bef3 634 assert(table);
837f57da 635
b6a3ca6d
TG		 636 n = local_gateways(rtnl, ifindex, AF_UNSPEC, &local);
637 if (n < 0)
638 return n;
c09da729 639
b6a3ca6d 640 for (i = 0; i < n; i++) {
98d5bef3
YW		 641 _cleanup_free_ char *gateway = NULL, *description = NULL, *with_description = NULL;
642
8d0e0af2
YW		 643 r = table_add_many(table,
644 TABLE_EMPTY,
645 TABLE_STRING, i == 0 ? "Gateway:" : "");
98d5bef3
YW		 646 if (r < 0)
647 return r;
c09da729 648
b6a3ca6d 649 r = in_addr_to_string(local[i].family, &local[i].address, &gateway);
c09da729 650 if (r < 0)
b6a3ca6d 651 return r;
c09da729 652
69fb1176 653 r = get_gateway_description(rtnl, hwdb, local[i].ifindex, local[i].family, &local[i].address, &description);
c09da729 654 if (r < 0)
b6a3ca6d 655 log_debug_errno(r, "Could not get description of gateway: %m");
c09da729 656
98d5bef3
YW		 657 if (description) {
658 with_description = strjoin(gateway, " (", description, ")");
659 if (!with_description)
660 return -ENOMEM;
661 }
1693a943
LP		 662
663 /* Show interface name for the entry if we show
664 * entries for all interfaces */
665 if (ifindex <= 0) {
518a66ec 666 char name[IF_NAMESIZE+1];
98d5bef3 667
518a66ec 668 if (format_ifname(local[i].ifindex, name))
98d5bef3
YW		 669 r = table_add_cell_stringf(table, NULL, "%s on %s", with_description ?: gateway, name);
670 else
671 r = table_add_cell_stringf(table, NULL, "%s on %%%i", with_description ?: gateway, local[i].ifindex);
672 } else
673 r = table_add_cell(table, NULL, TABLE_STRING, with_description ?: gateway);
674 if (r < 0)
675 return r;
c09da729
TG		 676 }
677
678 return 0;
679}
680
69fb1176 681static int dump_addresses(
1c4baffc 682 sd_netlink *rtnl,
98d5bef3 683 Table *table,
69fb1176
LP		 684 int ifindex) {
685
ee8c4568 686 _cleanup_free_ struct local_address *local = NULL;
cdf01b36 687 _cleanup_free_ char *dhcp4_address = NULL;
ee8c4568
LP		 688 int r, n, i;
689
837f57da 690 assert(rtnl);
98d5bef3 691 assert(table);
837f57da 692
1d050e1e 693 n = local_addresses(rtnl, ifindex, AF_UNSPEC, &local);
ee8c4568
LP		 694 if (n < 0)
695 return n;
696
cdf01b36
SS		 697 (void) sd_network_link_get_dhcp4_address(ifindex, &dhcp4_address);
698
ee8c4568
LP		 699 for (i = 0; i < n; i++) {
700 _cleanup_free_ char *pretty = NULL;
701
8d0e0af2
YW		 702 r = table_add_many(table,
703 TABLE_EMPTY,
704 TABLE_STRING, i == 0 ? "Address:" : "");
98d5bef3
YW		 705 if (r < 0)
706 return r;
1693a943 707
98d5bef3
YW		 708 r = in_addr_to_string(local[i].family, &local[i].address, &pretty);
709 if (r < 0)
710 return r;
1693a943 711
cdf01b36
SS		 712 if (dhcp4_address && streq(pretty, dhcp4_address)) {
713 _cleanup_free_ char *p = NULL;
714
715 p = pretty;
716 pretty = strjoin(pretty , " (DHCP4)");
717 if (!pretty)
718 return log_oom();
719 }
720
98d5bef3 721 if (ifindex <= 0) {
518a66ec 722 char name[IF_NAMESIZE+1];
98d5bef3 723
518a66ec 724 if (format_ifname(local[i].ifindex, name))
98d5bef3
YW		 725 r = table_add_cell_stringf(table, NULL, "%s on %s", pretty, name);
726 else
727 r = table_add_cell_stringf(table, NULL, "%s on %%%i", pretty, local[i].ifindex);
728 } else
729 r = table_add_cell(table, NULL, TABLE_STRING, pretty);
730 if (r < 0)
731 return r;
ee8c4568
LP		 732 }
733
734 return 0;
735}
736
d37b7627
SS		 737static int dump_address_labels(sd_netlink *rtnl) {
738 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
0232beed 739 _cleanup_(table_unrefp) Table *table = NULL;
d37b7627 740 sd_netlink_message *m;
0232beed 741 TableCell *cell;
d37b7627
SS		 742 int r;
743
744 assert(rtnl);
745
746 r = sd_rtnl_message_new_addrlabel(rtnl, &req, RTM_GETADDRLABEL, 0, AF_INET6);
747 if (r < 0)
748 return log_error_errno(r, "Could not allocate RTM_GETADDRLABEL message: %m");
749
750 r = sd_netlink_message_request_dump(req, true);
751 if (r < 0)
752 return r;
753
754 r = sd_netlink_call(rtnl, req, 0, &reply);
755 if (r < 0)
756 return r;
757
4252171a 758 table = table_new("label", "prefix/prefixlen");
0232beed
YW		 759 if (!table)
760 return -ENOMEM;
761
762 r = table_set_sort(table, 0, SIZE_MAX);
763 if (r < 0)
764 return r;
765
766 assert_se(cell = table_get_cell(table, 0, 0));
767 (void) table_set_align_percent(table, cell, 100);
81914d9f 768 (void) table_set_ellipsize_percent(table, cell, 100);
0232beed
YW		 769
770 assert_se(cell = table_get_cell(table, 0, 1));
771 (void) table_set_align_percent(table, cell, 100);
d37b7627
SS		 772
773 for (m = reply; m; m = sd_netlink_message_next(m)) {
774 _cleanup_free_ char *pretty = NULL;
67a46833 775 union in_addr_union prefix = IN_ADDR_NULL;
d37b7627
SS		 776 uint8_t prefixlen;
777 uint32_t label;
778
779 r = sd_netlink_message_get_errno(m);
780 if (r < 0) {
781 log_error_errno(r, "got error: %m");
782 continue;
783 }
784
785 r = sd_netlink_message_read_u32(m, IFAL_LABEL, &label);
786 if (r < 0 && r != -ENODATA) {
787 log_error_errno(r, "Could not read IFAL_LABEL, ignoring: %m");
788 continue;
789 }
790
791 r = sd_netlink_message_read_in6_addr(m, IFAL_ADDRESS, &prefix.in6);
792 if (r < 0)
793 continue;
794
795 r = in_addr_to_string(AF_INET6, &prefix, &pretty);
796 if (r < 0)
797 continue;
798
799 r = sd_rtnl_message_addrlabel_get_prefixlen(m, &prefixlen);
800 if (r < 0)
801 continue;
802
81914d9f 803 r = table_add_cell(table, NULL, TABLE_UINT32, &label);
0232beed
YW		 804 if (r < 0)
805 return r;
806
8d0e0af2 807 r = table_add_cell_stringf(table, NULL, "%s/%u", pretty, prefixlen);
0232beed
YW		 808 if (r < 0)
809 return r;
d37b7627
SS		 810 }
811
0232beed 812 return table_print(table, NULL);
d37b7627
SS		 813}
814
815static int list_address_labels(int argc, char *argv[], void *userdata) {
816 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
817 int r;
818
819 r = sd_netlink_open(&rtnl);
820 if (r < 0)
821 return log_error_errno(r, "Failed to connect to netlink: %m");
822
823 dump_address_labels(rtnl);
824
825 return 0;
826}
827
837f57da
LP		 828static int open_lldp_neighbors(int ifindex, FILE **ret) {
829 _cleanup_free_ char *p = NULL;
830 FILE *f;
831
832 if (asprintf(&p, "/run/systemd/netif/lldp/%i", ifindex) < 0)
833 return -ENOMEM;
834
835 f = fopen(p, "re");
836 if (!f)
837 return -errno;
838
839 *ret = f;
840 return 0;
841}
842
843static int next_lldp_neighbor(FILE *f, sd_lldp_neighbor **ret) {
844 _cleanup_free_ void *raw = NULL;
845 size_t l;
846 le64_t u;
847 int r;
848
849 assert(f);
850 assert(ret);
851
852 l = fread(&u, 1, sizeof(u), f);
853 if (l == 0 && feof(f))
854 return 0;
855 if (l != sizeof(u))
856 return -EBADMSG;
857
d23c3e4c
FB		 858 /* each LLDP packet is at most MTU size, but let's allow up to 4KiB just in case */
859 if (le64toh(u) >= 4096)
860 return -EBADMSG;
861
837f57da
LP		 862 raw = new(uint8_t, le64toh(u));
863 if (!raw)
864 return -ENOMEM;
865
866 if (fread(raw, 1, le64toh(u), f) != le64toh(u))
867 return -EBADMSG;
868
869 r = sd_lldp_neighbor_from_raw(ret, raw, le64toh(u));
870 if (r < 0)
871 return r;
872
873 return 1;
874}
875
98d5bef3 876static int dump_lldp_neighbors(Table *table, const char *prefix, int ifindex) {
837f57da
LP		 877 _cleanup_fclose_ FILE *f = NULL;
878 int r, c = 0;
879
98d5bef3 880 assert(table);
837f57da
LP		 881 assert(prefix);
882 assert(ifindex > 0);
883
884 r = open_lldp_neighbors(ifindex, &f);
98d5bef3
YW		 885 if (r == -ENOENT)
886 return 0;
837f57da
LP		 887 if (r < 0)
888 return r;
889
890 for (;;) {
891 const char *system_name = NULL, *port_id = NULL, *port_description = NULL;
892 _cleanup_(sd_lldp_neighbor_unrefp) sd_lldp_neighbor *n = NULL;
893
894 r = next_lldp_neighbor(f, &n);
895 if (r < 0)
896 return r;
897 if (r == 0)
898 break;
899
8d0e0af2
YW		 900 r = table_add_many(table,
901 TABLE_EMPTY,
902 TABLE_STRING, c == 0 ? prefix : "");
98d5bef3
YW		 903 if (r < 0)
904 return r;
837f57da
LP		 905
906 (void) sd_lldp_neighbor_get_system_name(n, &system_name);
907 (void) sd_lldp_neighbor_get_port_id_as_string(n, &port_id);
908 (void) sd_lldp_neighbor_get_port_description(n, &port_description);
909
8d0e0af2
YW		 910 r = table_add_cell_stringf(table, NULL,
911 "%s on port %s%s%s%s",
912 strna(system_name), strna(port_id),
913 isempty(port_description) ? "" : " (",
e226badc 914 strempty(port_description),
8d0e0af2 915 isempty(port_description) ? "" : ")");
98d5bef3
YW		 916 if (r < 0)
917 return r;
837f57da
LP		 918
919 c++;
920 }
921
922 return c;
923}
924
98d5bef3 925static int dump_ifindexes(Table *table, const char *prefix, const int *ifindexes) {
b295beea 926 unsigned c;
98d5bef3 927 int r;
b295beea
LP		 928
929 assert(prefix);
930
931 if (!ifindexes || ifindexes[0] <= 0)
98d5bef3 932 return 0;
b295beea
LP		 933
934 for (c = 0; ifindexes[c] > 0; c++) {
8d0e0af2
YW		 935 r = table_add_many(table,
936 TABLE_EMPTY,
937 TABLE_STRING, c == 0 ? prefix : "",
938 TABLE_IFINDEX, ifindexes[c]);
98d5bef3
YW		 939 if (r < 0)
940 return r;
b295beea 941 }
98d5bef3
YW		 942
943 return 0;
b295beea
LP		 944}
945
98d5bef3 946static int dump_list(Table *table, const char *prefix, char **l) {
ee8c4568 947 char **i;
98d5bef3 948 int r;
ee8c4568 949
dce83649 950 if (strv_isempty(l))
98d5bef3 951 return 0;
dce83649 952
ee8c4568 953 STRV_FOREACH(i, l) {
8d0e0af2
YW		 954 r = table_add_many(table,
955 TABLE_EMPTY,
956 TABLE_STRING, i == l ? prefix : "",
957 TABLE_STRING, *i);
98d5bef3
YW		 958 if (r < 0)
959 return r;
ee8c4568 960 }
98d5bef3
YW		 961
962 return 0;
ee8c4568
LP		 963}
964
a459b24f 965#define DUMP_STATS_ONE(name, val_name) \
8d0e0af2
YW		 966 r = table_add_many(table, \
967 TABLE_EMPTY, \
968 TABLE_STRING, name ":"); \
a459b24f
YW		 969 if (r < 0) \
970 return r; \
8d0e0af2
YW		 971 r = table_add_cell(table, NULL, \
972 info->has_stats64 ? TABLE_UINT64 : TABLE_UINT32, \
a459b24f
YW		 973 info->has_stats64 ? (void*) &info->stats64.val_name : (void*) &info->stats.val_name); \
974 if (r < 0) \
975 return r;
976
977static int dump_statistics(Table *table, const LinkInfo *info) {
978 int r;
979
980 if (!arg_stats)
981 return 0;
982
983 if (!info->has_stats64 && !info->has_stats)
984 return 0;
985
986 DUMP_STATS_ONE("Rx Packets", rx_packets);
987 DUMP_STATS_ONE("Tx Packets", tx_packets);
988 DUMP_STATS_ONE("Rx Bytes", rx_bytes);
989 DUMP_STATS_ONE("Tx Bytes", tx_bytes);
990 DUMP_STATS_ONE("Rx Errors", rx_errors);
991 DUMP_STATS_ONE("Tx Errors", tx_errors);
992 DUMP_STATS_ONE("Rx Dropped", rx_dropped);
993 DUMP_STATS_ONE("Tx Dropped", tx_dropped);
994 DUMP_STATS_ONE("Multicast Packets", multicast);
995 DUMP_STATS_ONE("Collisions", collisions);
996
997 return 0;
998}
999
69fb1176 1000static int link_status_one(
1c4baffc 1001 sd_netlink *rtnl,
81fd1dd3 1002 sd_hwdb *hwdb,
b147503e
LP		 1003 const LinkInfo *info) {
1004
3df9bec5 1005 _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **search_domains = NULL, **route_domains = NULL;
64d6c229 1006 _cleanup_free_ char *setup_state = NULL, *operational_state = NULL, *tz = NULL;
4afd3348 1007 _cleanup_(sd_device_unrefp) sd_device *d = NULL;
9085f64a 1008 char devid[2 + DECIMAL_STR_MAX(int)];
373d9f17 1009 _cleanup_free_ char *t = NULL, *network = NULL;
af5effc4 1010 const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL, *link = NULL;
d57c365b 1011 const char *on_color_operational, *off_color_operational,
98d5bef3 1012 *on_color_setup, *off_color_setup;
b295beea 1013 _cleanup_free_ int *carrier_bound_to = NULL, *carrier_bound_by = NULL;
98d5bef3
YW		 1014 _cleanup_(table_unrefp) Table *table = NULL;
1015 TableCell *cell;
b147503e 1016 int r;
9085f64a
LP		 1017
1018 assert(rtnl);
b147503e 1019 assert(info);
9085f64a 1020
b147503e 1021 (void) sd_network_link_get_operational_state(info->ifindex, &operational_state);
ceb366df 1022 operational_state_to_color(info->name, operational_state, &on_color_operational, &off_color_operational);
d57c365b 1023
33d5013d
LP		 1024 r = sd_network_link_get_setup_state(info->ifindex, &setup_state);
1025 if (r == -ENODATA) /* If there's no info available about this iface, it's unmanaged by networkd */
1026 setup_state = strdup("unmanaged");
d57c365b 1027 setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
9085f64a 1028
b147503e
LP		 1029 (void) sd_network_link_get_dns(info->ifindex, &dns);
1030 (void) sd_network_link_get_search_domains(info->ifindex, &search_domains);
1031 (void) sd_network_link_get_route_domains(info->ifindex, &route_domains);
1032 (void) sd_network_link_get_ntp(info->ifindex, &ntp);
9085f64a 1033
691d4da9 1034 xsprintf(devid, "n%i", info->ifindex);
914d6c09 1035
dce83649 1036 (void) sd_device_new_from_device_id(&d, devid);
914d6c09 1037
9085f64a 1038 if (d) {
dce83649
LP		 1039 (void) sd_device_get_property_value(d, "ID_NET_LINK_FILE", &link);
1040 (void) sd_device_get_property_value(d, "ID_NET_DRIVER", &driver);
1041 (void) sd_device_get_property_value(d, "ID_PATH", &path);
9085f64a 1042
2c740afd 1043 if (sd_device_get_property_value(d, "ID_VENDOR_FROM_DATABASE", &vendor) < 0)
dce83649 1044 (void) sd_device_get_property_value(d, "ID_VENDOR", &vendor);
9085f64a 1045
2c740afd 1046 if (sd_device_get_property_value(d, "ID_MODEL_FROM_DATABASE", &model) < 0)
dce83649 1047 (void) sd_device_get_property_value(d, "ID_MODEL", &model);
9085f64a
LP		 1048 }
1049
b55822c3 1050 t = link_get_type_string(info->iftype, d);
b1acce80 1051
4abd866d 1052 (void) sd_network_link_get_network_file(info->ifindex, &network);
df3fb561 1053
4abd866d
LP		 1054 (void) sd_network_link_get_carrier_bound_to(info->ifindex, &carrier_bound_to);
1055 (void) sd_network_link_get_carrier_bound_by(info->ifindex, &carrier_bound_by);
0d4ad91d 1056
4252171a 1057 table = table_new("dot", "key", "value");
98d5bef3
YW		 1058 if (!table)
1059 return -ENOMEM;
1060
81914d9f
YW		 1061 assert_se(cell = table_get_cell(table, 0, 0));
1062 (void) table_set_ellipsize_percent(table, cell, 100);
1063
1064 assert_se(cell = table_get_cell(table, 0, 1));
1065 (void) table_set_ellipsize_percent(table, cell, 100);
1066
98d5bef3
YW		 1067 table_set_header(table, false);
1068
8d0e0af2
YW		 1069 r = table_add_many(table,
1070 TABLE_STRING, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE),
1071 TABLE_SET_COLOR, on_color_operational);
98d5bef3
YW		 1072 if (r < 0)
1073 return r;
81914d9f 1074 r = table_add_cell_stringf(table, &cell, "%i: %s", info->ifindex, info->name);
98d5bef3
YW		 1075 if (r < 0)
1076 return r;
81914d9f 1077 (void) table_set_align_percent(table, cell, 0);
98d5bef3 1078
8d0e0af2
YW		 1079 r = table_add_many(table,
1080 TABLE_EMPTY,
1081 TABLE_EMPTY,
1082 TABLE_STRING, "Link File:",
1083 TABLE_SET_ALIGN_PERCENT, 100,
1084 TABLE_STRING, strna(link),
1085 TABLE_EMPTY,
1086 TABLE_STRING, "Network File:",
1087 TABLE_STRING, strna(network),
1088 TABLE_EMPTY,
1089 TABLE_STRING, "Type:",
1090 TABLE_STRING, strna(t),
1091 TABLE_EMPTY,
1092 TABLE_STRING, "State:");
98d5bef3
YW		 1093 if (r < 0)
1094 return r;
1095 r = table_add_cell_stringf(table, NULL, "%s%s%s (%s%s%s)",
64e7ebde
YW		 1096 on_color_operational, strna(operational_state), off_color_operational,
1097 on_color_setup, strna(setup_state), off_color_setup);
98d5bef3
YW		 1098 if (r < 0)
1099 return r;
1100
1101 if (path) {
8d0e0af2
YW		 1102 r = table_add_many(table,
1103 TABLE_EMPTY,
1104 TABLE_STRING, "Path:",
1105 TABLE_STRING, path);
98d5bef3
YW		 1106 if (r < 0)
1107 return r;
1108 }
1109 if (driver) {
8d0e0af2
YW		 1110 r = table_add_many(table,
1111 TABLE_EMPTY,
1112 TABLE_STRING, "Driver:",
1113 TABLE_STRING, driver);
98d5bef3
YW		 1114 if (r < 0)
1115 return r;
1116 }
1117 if (vendor) {
8d0e0af2
YW		 1118 r = table_add_many(table,
1119 TABLE_EMPTY,
1120 TABLE_STRING, "Vendor:",
1121 TABLE_STRING, vendor);
98d5bef3
YW		 1122 if (r < 0)
1123 return r;
1124 }
1125 if (model) {
8d0e0af2
YW		 1126 r = table_add_many(table,
1127 TABLE_EMPTY,
1128 TABLE_STRING, "Model:",
1129 TABLE_STRING, model);
98d5bef3
YW		 1130 if (r < 0)
1131 return r;
1132 }
9085f64a 1133
b147503e 1134 if (info->has_mac_address) {
888943fc 1135 _cleanup_free_ char *description = NULL;
db73295a 1136 char ea[ETHER_ADDR_TO_STRING_MAX];
888943fc 1137
4abd866d 1138 (void) ieee_oui(hwdb, &info->mac_address, &description);
888943fc 1139
8d0e0af2
YW		 1140 r = table_add_many(table,
1141 TABLE_EMPTY,
1142 TABLE_STRING, "HW Address:");
98d5bef3
YW		 1143 if (r < 0)
1144 return r;
1145 r = table_add_cell_stringf(table, NULL, "%s%s%s%s",
64e7ebde
YW		 1146 ether_addr_to_string(&info->mac_address, ea),
1147 description ? " (" : "",
1148 strempty(description),
1149 description ? ")" : "");
98d5bef3
YW		 1150 if (r < 0)
1151 return r;
db73295a 1152 }
9085f64a 1153
c06ff86e
YW		 1154 if (info->mtu > 0) {
1155 char min_str[DECIMAL_STR_MAX(uint32_t)], max_str[DECIMAL_STR_MAX(uint32_t)];
1156
1157 xsprintf(min_str, "%" PRIu32, info->min_mtu);
1158 xsprintf(max_str, "%" PRIu32, info->max_mtu);
1159
8d0e0af2
YW		 1160 r = table_add_many(table,
1161 TABLE_EMPTY,
1162 TABLE_STRING, "MTU:");
98d5bef3
YW		 1163 if (r < 0)
1164 return r;
c06ff86e
YW		 1165 r = table_add_cell_stringf(table, NULL, "%" PRIu32 "%s%s%s%s%s%s%s",
1166 info->mtu,
1167 info->min_mtu > 0 || info->max_mtu > 0 ? " (" : "",
90e29fe1 1168 info->min_mtu > 0 ? "min: " : "",
c06ff86e
YW		 1169 info->min_mtu > 0 ? min_str : "",
1170 info->min_mtu > 0 && info->max_mtu > 0 ? ", " : "",
90e29fe1 1171 info->max_mtu > 0 ? "max: " : "",
c06ff86e
YW		 1172 info->max_mtu > 0 ? max_str : "",
1173 info->min_mtu > 0 || info->max_mtu > 0 ? ")" : "");
98d5bef3
YW		 1174 if (r < 0)
1175 return r;
1176 }
8eb9058d 1177
c82d1bf2
SS		 1178 if (streq_ptr(info->netdev_kind, "bridge")) {
1179 r = table_add_many(table,
1180 TABLE_EMPTY,
1181 TABLE_STRING, "Forward Delay:",
1182 TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->forward_delay),
1183 TABLE_EMPTY,
1184 TABLE_STRING, "Hello Time:",
1185 TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->hello_time),
1186 TABLE_EMPTY,
1187 TABLE_STRING, "Max Age:",
1188 TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->max_age),
1189 TABLE_EMPTY,
1190 TABLE_STRING, "Ageing Time:",
1191 TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->ageing_time),
1192 TABLE_EMPTY,
1193 TABLE_STRING, "Priority:",
1194 TABLE_UINT16, info->priority,
1195 TABLE_EMPTY,
1196 TABLE_STRING, "STP:",
1197 TABLE_BOOLEAN, info->stp_state > 0,
1198 TABLE_EMPTY,
1199 TABLE_STRING, "Multicast IGMP Version:",
1200 TABLE_UINT8, info->mcast_igmp_version);
1201 if (r < 0)
1202 return r;
b24281aa
SS		 1203
1204 } else if (streq_ptr(info->netdev_kind, "vxlan")) {
1205 if (info->vxlan_info.vni > 0) {
1206 r = table_add_many(table,
1207 TABLE_EMPTY,
1208 TABLE_STRING, "VNI:",
1209 TABLE_UINT32, info->vxlan_info.vni);
1210 if (r < 0)
1211 return r;
1212 }
1213
1214 if (IN_SET(info->vxlan_info.group_family, AF_INET, AF_INET6)) {
1215 r = table_add_many(table,
1216 TABLE_EMPTY,
1217 TABLE_STRING, "Group:",
1218 info->vxlan_info.group_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR,
1219 &info->vxlan_info.group);
1220 if (r < 0)
1221 return r;
1222 }
1223
1224 if (IN_SET(info->vxlan_info.local_family, AF_INET, AF_INET6)) {
1225 r = table_add_many(table,
1226 TABLE_EMPTY,
1227 TABLE_STRING, "Local:",
1228 info->vxlan_info.local_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR,
1229 &info->vxlan_info.local);
1230 if (r < 0)
1231 return r;
1232 }
1233
1234 if (info->vxlan_info.dest_port > 0) {
1235 r = table_add_many(table,
1236 TABLE_EMPTY,
1237 TABLE_STRING, "Destination Port:",
1238 TABLE_UINT16, be16toh(info->vxlan_info.dest_port));
1239 if (r < 0)
1240 return r;
1241 }
1242
1243 if (info->vxlan_info.link > 0) {
1244 r = table_add_many(table,
1245 TABLE_EMPTY,
1246 TABLE_STRING, "Underlying Device:",
1247 TABLE_IFINDEX, info->vxlan_info.link);
1248 if (r < 0)
1249 return r;
1250 }
c82d1bf2
SS		 1251 }
1252
335dd8ba 1253 if (info->has_bitrates) {
42a63431 1254 char tx[FORMAT_BYTES_MAX], rx[FORMAT_BYTES_MAX];
335dd8ba 1255
8d0e0af2
YW		 1256 r = table_add_many(table,
1257 TABLE_EMPTY,
1258 TABLE_STRING, "Bit Rate (Tx/Rx):");
335dd8ba
YW		 1259 if (r < 0)
1260 return r;
42a63431
YW		 1261 r = table_add_cell_stringf(table, NULL, "%sbps/%sbps",
1262 format_bytes_full(tx, sizeof tx, info->tx_bitrate, 0),
1263 format_bytes_full(rx, sizeof rx, info->rx_bitrate, 0));
335dd8ba
YW		 1264 if (r < 0)
1265 return r;
1266 }
1267
98d5bef3 1268 if (info->has_tx_queues || info->has_rx_queues) {
8d0e0af2
YW		 1269 r = table_add_many(table,
1270 TABLE_EMPTY,
1271 TABLE_STRING, "Queue Length (Tx/Rx):");
98d5bef3
YW		 1272 if (r < 0)
1273 return r;
1274 r = table_add_cell_stringf(table, NULL, "%" PRIu32 "/%" PRIu32, info->tx_queues, info->rx_queues);
1275 if (r < 0)
1276 return r;
1277 }
0d4ad91d 1278
c967d2c7
YW		 1279 if (info->has_ethtool_link_info) {
1280 const char *duplex = duplex_to_string(info->duplex);
1281 const char *port = port_to_string(info->port);
1282
1283 if (IN_SET(info->autonegotiation, AUTONEG_DISABLE, AUTONEG_ENABLE)) {
8d0e0af2
YW		 1284 r = table_add_many(table,
1285 TABLE_EMPTY,
1286 TABLE_STRING, "Auto negotiation:",
1287 TABLE_BOOLEAN, info->autonegotiation == AUTONEG_ENABLE);
c967d2c7
YW		 1288 if (r < 0)
1289 return r;
1290 }
1291
1292 if (info->speed > 0) {
8d0e0af2
YW		 1293 r = table_add_many(table,
1294 TABLE_EMPTY,
1295 TABLE_STRING, "Speed:",
45160216 1296 TABLE_BPS, (uint64_t) info->speed);
c967d2c7
YW		 1297 if (r < 0)
1298 return r;
1299 }
1300
1301 if (duplex) {
8d0e0af2
YW		 1302 r = table_add_many(table,
1303 TABLE_EMPTY,
1304 TABLE_STRING, "Duplex:",
1305 TABLE_STRING, duplex);
c967d2c7
YW		 1306 if (r < 0)
1307 return r;
1308 }
1309
1310 if (port) {
8d0e0af2
YW		 1311 r = table_add_many(table,
1312 TABLE_EMPTY,
1313 TABLE_STRING, "Port:",
1314 TABLE_STRING, port);
c967d2c7
YW		 1315 if (r < 0)
1316 return r;
1317 }
1318 }
1319
98d5bef3
YW		 1320 r = dump_addresses(rtnl, table, info->ifindex);
1321 if (r < 0)
1322 return r;
1323 r = dump_gateways(rtnl, hwdb, table, info->ifindex);
1324 if (r < 0)
1325 return r;
1326 r = dump_list(table, "DNS:", dns);
1327 if (r < 0)
1328 return r;
1329 r = dump_list(table, "Search Domains:", search_domains);
1330 if (r < 0)
1331 return r;
1332 r = dump_list(table, "Route Domains:", route_domains);
1333 if (r < 0)
1334 return r;
1335 r = dump_list(table, "NTP:", ntp);
1336 if (r < 0)
1337 return r;
1338 r = dump_ifindexes(table, "Carrier Bound To:", carrier_bound_to);
1339 if (r < 0)
1340 return r;
1341 r = dump_ifindexes(table, "Carrier Bound By:", carrier_bound_by);
1342 if (r < 0)
1343 return r;
9085f64a 1344
b147503e 1345 (void) sd_network_link_get_timezone(info->ifindex, &tz);
98d5bef3 1346 if (tz) {
8d0e0af2
YW		 1347 r = table_add_many(table,
1348 TABLE_EMPTY,
1349 TABLE_STRING, "Time Zone:",
1350 TABLE_STRING, tz);
98d5bef3
YW		 1351 if (r < 0)
1352 return r;
1353 }
8eb9058d 1354
98d5bef3
YW		 1355 r = dump_lldp_neighbors(table, "Connected To:", info->ifindex);
1356 if (r < 0)
1357 return r;
837f57da 1358
a459b24f
YW		 1359 r = dump_statistics(table, info);
1360 if (r < 0)
1361 return r;
1362
98d5bef3 1363 return table_print(table, NULL);
9085f64a
LP		 1364}
1365
0070333f
LP		 1366static int system_status(sd_netlink *rtnl, sd_hwdb *hwdb) {
1367 _cleanup_free_ char *operational_state = NULL;
1368 _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **search_domains = NULL, **route_domains = NULL;
1369 const char *on_color_operational, *off_color_operational;
98d5bef3
YW		 1370 _cleanup_(table_unrefp) Table *table = NULL;
1371 TableCell *cell;
1372 int r;
0070333f
LP		 1373
1374 assert(rtnl);
1375
4abd866d 1376 (void) sd_network_get_operational_state(&operational_state);
ceb366df 1377 operational_state_to_color(NULL, operational_state, &on_color_operational, &off_color_operational);
0070333f 1378
4252171a 1379 table = table_new("dot", "key", "value");
98d5bef3
YW		 1380 if (!table)
1381 return -ENOMEM;
1382
81914d9f
YW		 1383 assert_se(cell = table_get_cell(table, 0, 0));
1384 (void) table_set_ellipsize_percent(table, cell, 100);
1385
1386 assert_se(cell = table_get_cell(table, 0, 1));
1387 (void) table_set_align_percent(table, cell, 100);
1388 (void) table_set_ellipsize_percent(table, cell, 100);
1389
98d5bef3
YW		 1390 table_set_header(table, false);
1391
8d0e0af2
YW		 1392 r = table_add_many(table,
1393 TABLE_STRING, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE),
1394 TABLE_SET_COLOR, on_color_operational,
1395 TABLE_STRING, "State:",
1396 TABLE_STRING, strna(operational_state),
1397 TABLE_SET_COLOR, on_color_operational);
0070333f 1398
98d5bef3
YW		 1399 r = dump_addresses(rtnl, table, 0);
1400 if (r < 0)
1401 return r;
1402 r = dump_gateways(rtnl, hwdb, table, 0);
1403 if (r < 0)
1404 return r;
0070333f 1405
4abd866d 1406 (void) sd_network_get_dns(&dns);
98d5bef3
YW		 1407 r = dump_list(table, "DNS:", dns);
1408 if (r < 0)
1409 return r;
0070333f 1410
4abd866d 1411 (void) sd_network_get_search_domains(&search_domains);
98d5bef3
YW		 1412 r = dump_list(table, "Search Domains:", search_domains);
1413 if (r < 0)
1414 return r;
0070333f 1415
4abd866d 1416 (void) sd_network_get_route_domains(&route_domains);
98d5bef3
YW		 1417 r = dump_list(table, "Route Domains:", route_domains);
1418 if (r < 0)
1419 return r;
0070333f 1420
4abd866d 1421 (void) sd_network_get_ntp(&ntp);
98d5bef3
YW		 1422 r = dump_list(table, "NTP:", ntp);
1423 if (r < 0)
1424 return r;
0070333f 1425
98d5bef3 1426 return table_print(table, NULL);
0070333f
LP		 1427}
1428
266b5389 1429static int link_status(int argc, char *argv[], void *userdata) {
335dd8ba 1430 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
4afd3348 1431 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
b147503e
LP		 1432 _cleanup_(sd_hwdb_unrefp) sd_hwdb *hwdb = NULL;
1433 _cleanup_free_ LinkInfo *links = NULL;
1434 int r, c, i;
ee8c4568 1435
0221d68a 1436 (void) pager_open(arg_pager_flags);
0070333f 1437
335dd8ba
YW		 1438 r = sd_bus_open_system(&bus);
1439 if (r < 0)
1440 return log_error_errno(r, "Failed to connect system bus: %m");
1441
1c4baffc 1442 r = sd_netlink_open(&rtnl);
f647962d
MS		 1443 if (r < 0)
1444 return log_error_errno(r, "Failed to connect to netlink: %m");
f7d68aa8 1445
81fd1dd3
TG		 1446 r = sd_hwdb_new(&hwdb);
1447 if (r < 0)
1448 log_debug_errno(r, "Failed to open hardware database: %m");
69fb1176 1449
b147503e 1450 if (arg_all)
335dd8ba 1451 c = acquire_link_info(bus, rtnl, NULL, &links);
b147503e 1452 else if (argc <= 1)
0070333f 1453 return system_status(rtnl, hwdb);
b147503e 1454 else
335dd8ba 1455 c = acquire_link_info(bus, rtnl, argv + 1, &links);
b147503e
LP		 1456 if (c < 0)
1457 return c;
ee8c4568 1458
b147503e
LP		 1459 for (i = 0; i < c; i++) {
1460 if (i > 0)
1461 fputc('\n', stdout);
ee8c4568 1462
b147503e 1463 link_status_one(rtnl, hwdb, links + i);
ee8c4568
LP		 1464 }
1465
1466 return 0;
1467}
1468
34437b4f
LP		 1469static char *lldp_capabilities_to_string(uint16_t x) {
1470 static const char characters[] = {
1471 'o', 'p', 'b', 'w', 'r', 't', 'd', 'a', 'c', 's', 'm',
1472 };
1473 char *ret;
1474 unsigned i;
49699bac 1475
34437b4f
LP		 1476 ret = new(char, ELEMENTSOF(characters) + 1);
1477 if (!ret)
49699bac
SS		 1478 return NULL;
1479
34437b4f
LP		 1480 for (i = 0; i < ELEMENTSOF(characters); i++)
1481 ret[i] = (x & (1U << i)) ? characters[i] : '.';
49699bac 1482
34437b4f
LP		 1483 ret[i] = 0;
1484 return ret;
49699bac
SS		 1485}
1486
4c3160f1
ZJS		 1487static void lldp_capabilities_legend(uint16_t x) {
1488 unsigned w, i, cols = columns();
404d53a9 1489 static const char* const table[] = {
4c3160f1
ZJS		 1490 "o - Other",
1491 "p - Repeater",
1492 "b - Bridge",
1493 "w - WLAN Access Point",
1494 "r - Router",
1495 "t - Telephone",
1496 "d - DOCSIS cable device",
1497 "a - Station",
1498 "c - Customer VLAN",
1499 "s - Service VLAN",
1500 "m - Two-port MAC Relay (TPMR)",
1501 };
1502
1503 if (x == 0)
1504 return;
1505
1506 printf("\nCapability Flags:\n");
1507 for (w = 0, i = 0; i < ELEMENTSOF(table); i++)
1508 if (x & (1U << i) || arg_all) {
1509 bool newline;
1510
1511 newline = w + strlen(table[i]) + (w == 0 ? 0 : 2) > cols;
1512 if (newline)
1513 w = 0;
1514 w += printf("%s%s%s", newline ? "\n" : "", w == 0 ? "" : "; ", table[i]);
1515 }
1516 puts("");
1517}
1518
49699bac 1519static int link_lldp_status(int argc, char *argv[], void *userdata) {
b147503e 1520 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
49699bac 1521 _cleanup_free_ LinkInfo *links = NULL;
658e9106 1522 _cleanup_(table_unrefp) Table *table = NULL;
b147503e 1523 int i, r, c, m = 0;
4c3160f1 1524 uint16_t all = 0;
658e9106 1525 TableCell *cell;
b147503e
LP		 1526
1527 r = sd_netlink_open(&rtnl);
1528 if (r < 0)
1529 return log_error_errno(r, "Failed to connect to netlink: %m");
49699bac 1530
335dd8ba 1531 c = acquire_link_info(NULL, rtnl, argc > 1 ? argv + 1 : NULL, &links);
49699bac 1532 if (c < 0)
7d367b45
LP		 1533 return c;
1534
0221d68a 1535 (void) pager_open(arg_pager_flags);
49699bac 1536
4252171a
ZJS		 1537 table = table_new("link",
1538 "chassis id",
1539 "system name",
1540 "caps",
1541 "port id",
1542 "port description");
658e9106
YW		 1543 if (!table)
1544 return -ENOMEM;
1545
1546 table_set_header(table, arg_legend);
1547
1548 assert_se(cell = table_get_cell(table, 0, 0));
1549 table_set_minimum_width(table, cell, 16);
1550
1551 assert_se(cell = table_get_cell(table, 0, 1));
1552 table_set_minimum_width(table, cell, 17);
1553
1554 assert_se(cell = table_get_cell(table, 0, 2));
1555 table_set_minimum_width(table, cell, 16);
1556
1557 assert_se(cell = table_get_cell(table, 0, 3));
1558 table_set_minimum_width(table, cell, 11);
1559
1560 assert_se(cell = table_get_cell(table, 0, 4));
1561 table_set_minimum_width(table, cell, 17);
1562
1563 assert_se(cell = table_get_cell(table, 0, 5));
1564 table_set_minimum_width(table, cell, 16);
49699bac 1565
b147503e 1566 for (i = 0; i < c; i++) {
34437b4f 1567 _cleanup_fclose_ FILE *f = NULL;
49699bac 1568
837f57da
LP		 1569 r = open_lldp_neighbors(links[i].ifindex, &f);
1570 if (r == -ENOENT)
1571 continue;
1572 if (r < 0) {
1573 log_warning_errno(r, "Failed to open LLDP data for %i, ignoring: %m", links[i].ifindex);
34437b4f
LP		 1574 continue;
1575 }
49699bac 1576
34437b4f 1577 for (;;) {
e2835111
YW		 1578 _cleanup_free_ char *cid = NULL, *pid = NULL, *sname = NULL, *pdesc = NULL, *capabilities = NULL;
1579 const char *chassis_id = NULL, *port_id = NULL, *system_name = NULL, *port_description = NULL;
34437b4f 1580 _cleanup_(sd_lldp_neighbor_unrefp) sd_lldp_neighbor *n = NULL;
34437b4f 1581 uint16_t cc;
49699bac 1582
837f57da 1583 r = next_lldp_neighbor(f, &n);
34437b4f 1584 if (r < 0) {
837f57da 1585 log_warning_errno(r, "Failed to read neighbor data: %m");
34437b4f 1586 break;
49699bac 1587 }
837f57da
LP		 1588 if (r == 0)
1589 break;
34437b4f
LP		 1590
1591 (void) sd_lldp_neighbor_get_chassis_id_as_string(n, &chassis_id);
1592 (void) sd_lldp_neighbor_get_port_id_as_string(n, &port_id);
1593 (void) sd_lldp_neighbor_get_system_name(n, &system_name);
1594 (void) sd_lldp_neighbor_get_port_description(n, &port_description);
1595
d08191a2
LP		 1596 if (chassis_id) {
1597 cid = ellipsize(chassis_id, 17, 100);
1598 if (cid)
1599 chassis_id = cid;
1600 }
1601
1602 if (port_id) {
1603 pid = ellipsize(port_id, 17, 100);
1604 if (pid)
1605 port_id = pid;
1606 }
1607
1608 if (system_name) {
1609 sname = ellipsize(system_name, 16, 100);
1610 if (sname)
1611 system_name = sname;
1612 }
1613
1614 if (port_description) {
1615 pdesc = ellipsize(port_description, 16, 100);
1616 if (pdesc)
1617 port_description = pdesc;
1618 }
1619
4c3160f1 1620 if (sd_lldp_neighbor_get_enabled_capabilities(n, &cc) >= 0) {
34437b4f 1621 capabilities = lldp_capabilities_to_string(cc);
4c3160f1
ZJS		 1622 all |= cc;
1623 }
34437b4f 1624
658e9106
YW		 1625 r = table_add_many(table,
1626 TABLE_STRING, links[i].name,
1627 TABLE_STRING, strna(chassis_id),
1628 TABLE_STRING, strna(system_name),
1629 TABLE_STRING, strna(capabilities),
1630 TABLE_STRING, strna(port_id),
1631 TABLE_STRING, strna(port_description));
1632 if (r < 0)
1633 return r;
b147503e
LP		 1634
1635 m++;
49699bac
SS		 1636 }
1637 }
1638
658e9106
YW		 1639 r = table_print(table, NULL);
1640 if (r < 0)
1641 return r;
1642
4c3160f1
ZJS		 1643 if (arg_legend) {
1644 lldp_capabilities_legend(all);
1645 printf("\n%i neighbors listed.\n", m);
1646 }
49699bac
SS		 1647
1648 return 0;
1649}
1650
9cd8c766
SS		 1651static int link_delete_send_message(sd_netlink *rtnl, int index) {
1652 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
1653 int r;
1654
1655 assert(rtnl);
1656
1657 r = sd_rtnl_message_new_link(rtnl, &req, RTM_DELLINK, index);
1658 if (r < 0)
1659 return rtnl_log_create_error(r);
1660
1661 r = sd_netlink_call(rtnl, req, 0, NULL);
1662 if (r < 0)
1663 return r;
1664
1665 return 0;
1666}
1667
1668static int link_delete(int argc, char *argv[], void *userdata) {
1669 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1670 _cleanup_set_free_ Set *indexes = NULL;
9cd8c766
SS		 1671 int index, r, i;
1672 Iterator j;
38b9af61 1673 void *p;
9cd8c766
SS		 1674
1675 r = sd_netlink_open(&rtnl);
1676 if (r < 0)
1677 return log_error_errno(r, "Failed to connect to netlink: %m");
1678
1679 indexes = set_new(NULL);
1680 if (!indexes)
1681 return log_oom();
1682
1683 for (i = 1; i < argc; i++) {
4bddccc6
YW		 1684 r = parse_ifindex_or_ifname(argv[i], &index);
1685 if (r < 0)
1686 return log_error_errno(r, "Failed to resolve interface %s", argv[i]);
9cd8c766
SS		 1687
1688 r = set_put(indexes, INT_TO_PTR(index));
1689 if (r < 0)
1690 return log_oom();
1691 }
1692
38b9af61
YW		 1693 SET_FOREACH(p, indexes, j) {
1694 r = link_delete_send_message(rtnl, PTR_TO_INT(p));
9cd8c766 1695 if (r < 0) {
518a66ec
YW		 1696 char ifname[IF_NAMESIZE + 1];
1697
1698 if (format_ifname(index, ifname))
9cd8c766
SS		 1699 return log_error_errno(r, "Failed to delete interface %s: %m", ifname);
1700 else
1701 return log_error_errno(r, "Failed to delete interface %d: %m", index);
1702 }
1703 }
1704
1705 return r;
1706}
1707
308e7dfd
YW		 1708static int link_renew_one(sd_bus *bus, int index, const char *name) {
1709 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1710 int r;
1711
1712 r = sd_bus_call_method(
1713 bus,
1714 "org.freedesktop.network1",
1715 "/org/freedesktop/network1",
1716 "org.freedesktop.network1.Manager",
1717 "RenewLink",
1718 &error,
1719 NULL,
1720 "i", index);
1721 if (r < 0)
1722 return log_error_errno(r, "Failed to renew dynamic configuration of interface %s: %s",
1723 name, bus_error_message(&error, r));
1724
1725 return 0;
1726}
1727
1728static int link_renew(int argc, char *argv[], void *userdata) {
1729 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1730 int index, i, k = 0, r;
1731
1732 r = sd_bus_open_system(&bus);
1733 if (r < 0)
1734 return log_error_errno(r, "Failed to connect system bus: %m");
1735
1736 for (i = 1; i < argc; i++) {
1737 r = parse_ifindex_or_ifname(argv[i], &index);
1738 if (r < 0)
1739 return log_error_errno(r, "Failed to resolve interface %s", argv[i]);
1740
1741 r = link_renew_one(bus, index, argv[i]);
1742 if (r < 0 && k >= 0)
1743 k = r;
1744 }
1745
1746 return k;
1747}
1748
1749
37ec0fdd
LP		 1750static int help(void) {
1751 _cleanup_free_ char *link = NULL;
1752 int r;
1753
1754 r = terminal_urlify_man("networkctl", "1", &link);
1755 if (r < 0)
1756 return log_oom();
1757
ce2529b4
ZJS		 1758 printf("%s%s [OPTIONS...]\n\n"
1759 "Query and control the networking subsystem.%s\n"
a459b24f 1760 "\nCommands:\n"
a6962904
YW		 1761 " list [PATTERN...] List links\n"
1762 " status [PATTERN...] Show link status\n"
1763 " lldp [PATTERN...] Show LLDP neighbors\n"
d37b7627 1764 " label Show current address label entries in the kernel\n"
9daa6578
ZJS		 1765 " delete DEVICES... Delete virtual netdevs\n"
1766 " renew DEVICES... Renew dynamic configurations\n"
e1fac8a6
ZJS		 1767 "\nOptions\n"
1768 " -h --help Show this help\n"
1769 " --version Show package version\n"
1770 " --no-pager Do not pipe output into a pager\n"
1771 " --no-legend Do not show the headers and footers\n"
1772 " -a --all Show status for all links\n"
1773 " -s --stats Show detailed link statics\n"
37ec0fdd 1774 "\nSee the %s for details.\n"
ce2529b4 1775 , ansi_highlight()
37ec0fdd 1776 , program_invocation_short_name
ce2529b4 1777 , ansi_normal()
37ec0fdd
LP		 1778 , link
1779 );
1780
1781 return 0;
ee8c4568
LP		 1782}
1783
1784static int parse_argv(int argc, char *argv[]) {
1785
1786 enum {
1787 ARG_VERSION = 0x100,
1788 ARG_NO_PAGER,
1789 ARG_NO_LEGEND,
1790 };
1791
1792 static const struct option options[] = {
1793 { "help", no_argument, NULL, 'h' },
1794 { "version", no_argument, NULL, ARG_VERSION },
1795 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
1796 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
9085f64a 1797 { "all", no_argument, NULL, 'a' },
a459b24f 1798 { "stats", no_argument, NULL, 's' },
ee8c4568
LP		 1799 {}
1800 };
1801
1802 int c;
1803
1804 assert(argc >= 0);
1805 assert(argv);
1806
a459b24f 1807 while ((c = getopt_long(argc, argv, "has", options, NULL)) >= 0) {
ee8c4568
LP		 1808
1809 switch (c) {
1810
1811 case 'h':
37ec0fdd 1812 return help();
ee8c4568
LP		 1813
1814 case ARG_VERSION:
3f6fd1ba 1815 return version();
ee8c4568
LP		 1816
1817 case ARG_NO_PAGER:
0221d68a 1818 arg_pager_flags |= PAGER_DISABLE;
ee8c4568
LP		 1819 break;
1820
1821 case ARG_NO_LEGEND:
1822 arg_legend = false;
1823 break;
1824
9085f64a
LP		 1825 case 'a':
1826 arg_all = true;
1827 break;
1828
a459b24f
YW		 1829 case 's':
1830 arg_stats = true;
1831 break;
1832
ee8c4568
LP		 1833 case '?':
1834 return -EINVAL;
1835
1836 default:
1837 assert_not_reached("Unhandled option");
1838 }
1839 }
1840
1841 return 1;
1842}
1843
1844static int networkctl_main(int argc, char *argv[]) {
15c3626e
YW		 1845 static const Verb verbs[] = {
1846 { "list", VERB_ANY, VERB_ANY, VERB_DEFAULT, list_links },
1847 { "status", VERB_ANY, VERB_ANY, 0, link_status },
1848 { "lldp", VERB_ANY, VERB_ANY, 0, link_lldp_status },
1849 { "label", VERB_ANY, VERB_ANY, 0, list_address_labels },
9cd8c766 1850 { "delete", 2, VERB_ANY, 0, link_delete },
308e7dfd 1851 { "renew", 2, VERB_ANY, 0, link_renew },
266b5389 1852 {}
ee8c4568
LP		 1853 };
1854
266b5389 1855 return dispatch_verb(argc, argv, verbs, NULL);
ee8c4568
LP		 1856}
1857
58fb3678
LP		 1858static void warn_networkd_missing(void) {
1859
1860 if (access("/run/systemd/netif/state", F_OK) >= 0)
1861 return;
1862
1863 fprintf(stderr, "WARNING: systemd-networkd is not running, output will be incomplete.\n\n");
1864}
1865
4e2ca442 1866static int run(int argc, char* argv[]) {
ee8c4568
LP		 1867 int r;
1868
1a043959 1869 log_show_color(true);
ee8c4568
LP		 1870 log_parse_environment();
1871 log_open();
1872
1873 r = parse_argv(argc, argv);
1874 if (r <= 0)
4e2ca442 1875 return r;
ee8c4568 1876
58fb3678
LP		 1877 warn_networkd_missing();
1878
4e2ca442 1879 return networkctl_main(argc, argv);
ee8c4568 1880}
4e2ca442
ZJS		 1881
1882DEFINE_MAIN_FUNCTION(run);
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