ifconfig.c revision 1.208 1 /* $NetBSD: ifconfig.c,v 1.208 2008/07/02 07:44:14 dyoung Exp $ */
2
3 /*-
4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * Copyright (c) 1983, 1993
35 * The Regents of the University of California. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 3. Neither the name of the University nor the names of its contributors
46 * may be used to endorse or promote products derived from this software
47 * without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 */
61
62 #include <sys/cdefs.h>
63 #ifndef lint
64 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\
65 The Regents of the University of California. All rights reserved.\n");
66 __RCSID("$NetBSD: ifconfig.c,v 1.208 2008/07/02 07:44:14 dyoung Exp $");
67 #endif /* not lint */
68
69 #include <sys/param.h>
70 #include <sys/queue.h>
71 #include <sys/socket.h>
72 #include <sys/ioctl.h>
73
74 #include <net/if.h>
75 #include <net/if_dl.h>
76 #include <net/if_media.h>
77 #include <net/if_ether.h>
78 #include <netinet/in.h> /* XXX */
79 #include <netinet/in_var.h> /* XXX */
80
81 #include <netdb.h>
82
83 #include <sys/protosw.h>
84
85 #include <assert.h>
86 #include <ctype.h>
87 #include <err.h>
88 #include <errno.h>
89 #include <stdbool.h>
90 #include <stddef.h>
91 #include <stdio.h>
92 #include <stdlib.h>
93 #include <string.h>
94 #include <unistd.h>
95 #include <ifaddrs.h>
96 #include <util.h>
97
98 #include "extern.h"
99
100 #include "media.h"
101 #include "parse.h"
102 #include "env.h"
103
104 static bool bflag, dflag, hflag, sflag, uflag;
105 bool lflag, vflag, zflag;
106
107 static char gflags[10 + 26 * 2 + 1] = "AabCdhlsuvz";
108 bool gflagset[10 + 26 * 2];
109
110 static int carrier(prop_dictionary_t);
111 static int clone_command(prop_dictionary_t, prop_dictionary_t);
112 static void do_setifpreference(prop_dictionary_t);
113 static int flag_index(int);
114 static void init_afs(void);
115 static int list_cloners(prop_dictionary_t, prop_dictionary_t);
116 static int media_status_exec(prop_dictionary_t, prop_dictionary_t);
117 static int no_cmds_exec(prop_dictionary_t, prop_dictionary_t);
118 static int notrailers(prop_dictionary_t, prop_dictionary_t);
119 static void printall(const char *, prop_dictionary_t);
120 static int setifaddr(prop_dictionary_t, prop_dictionary_t);
121 static int setifbroadaddr(prop_dictionary_t, prop_dictionary_t);
122 static int setifcaps(prop_dictionary_t, prop_dictionary_t);
123 static int setifdstormask(prop_dictionary_t, prop_dictionary_t);
124 static int setifflags(prop_dictionary_t, prop_dictionary_t);
125 static int setifmetric(prop_dictionary_t, prop_dictionary_t);
126 static int setifmtu(prop_dictionary_t, prop_dictionary_t);
127 static int setifnetmask(prop_dictionary_t, prop_dictionary_t);
128 static int setifprefixlen(prop_dictionary_t, prop_dictionary_t);
129 static void status(const struct sockaddr_dl *, prop_dictionary_t,
130 prop_dictionary_t);
131 static void usage(void);
132
133 static const struct kwinst ifflagskw[] = {
134 IFKW("arp", IFF_NOARP)
135 , IFKW("debug", IFF_DEBUG)
136 , IFKW("link0", IFF_LINK0)
137 , IFKW("link1", IFF_LINK1)
138 , IFKW("link2", IFF_LINK2)
139 , {.k_word = "down", .k_type = KW_T_INT, .k_int = -IFF_UP}
140 , {.k_word = "up", .k_type = KW_T_INT, .k_int = IFF_UP}
141 };
142
143 static const struct kwinst ifcapskw[] = {
144 IFKW("ip4csum-tx", IFCAP_CSUM_IPv4_Tx)
145 , IFKW("ip4csum-rx", IFCAP_CSUM_IPv4_Rx)
146 , IFKW("tcp4csum-tx", IFCAP_CSUM_TCPv4_Tx)
147 , IFKW("tcp4csum-rx", IFCAP_CSUM_TCPv4_Rx)
148 , IFKW("udp4csum-tx", IFCAP_CSUM_UDPv4_Tx)
149 , IFKW("udp4csum-rx", IFCAP_CSUM_UDPv4_Rx)
150 , IFKW("tcp6csum-tx", IFCAP_CSUM_TCPv6_Tx)
151 , IFKW("tcp6csum-rx", IFCAP_CSUM_TCPv6_Rx)
152 , IFKW("udp6csum-tx", IFCAP_CSUM_UDPv6_Tx)
153 , IFKW("udp6csum-rx", IFCAP_CSUM_UDPv6_Rx)
154 , IFKW("ip4csum", IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx)
155 , IFKW("tcp4csum", IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx)
156 , IFKW("udp4csum", IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx)
157 , IFKW("tcp6csum", IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx)
158 , IFKW("udp6csum", IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx)
159 , IFKW("tso4", IFCAP_TSOv4)
160 , IFKW("tso6", IFCAP_TSOv6)
161 };
162
163 extern struct pbranch command_root;
164 extern struct pbranch opt_command;
165 extern struct pbranch opt_family, opt_silent_family;
166 extern struct pkw cloning, silent_family, family, ifcaps, ifflags, misc;
167
168 struct pinteger parse_metric = PINTEGER_INITIALIZER(&parse_metric, "metric", 10,
169 setifmetric, "metric", &command_root.pb_parser);
170
171 struct pinteger parse_mtu = PINTEGER_INITIALIZER(&parse_mtu, "mtu", 10,
172 setifmtu, "mtu", &command_root.pb_parser);
173
174 struct pinteger parse_prefixlen = PINTEGER_INITIALIZER(&parse_prefixlen,
175 "prefixlen", 10, setifprefixlen, "prefixlen", &command_root.pb_parser);
176
177 struct pinteger parse_preference = PINTEGER_INITIALIZER1(&parse_preference,
178 "preference", INT16_MIN, INT16_MAX, 10, NULL, "preference",
179 &command_root.pb_parser);
180
181 struct paddr parse_netmask = PADDR_INITIALIZER(&parse_netmask, "netmask",
182 setifnetmask, "dstormask", NULL, NULL, NULL, &command_root.pb_parser);
183
184 struct paddr parse_broadcast = PADDR_INITIALIZER(&parse_broadcast,
185 "broadcast address",
186 setifbroadaddr, "broadcast", NULL, NULL, NULL, &command_root.pb_parser);
187
188 static const struct kwinst misckw[] = {
189 {.k_word = "alias", .k_key = "alias", .k_deact = "alias",
190 .k_type = KW_T_BOOL, .k_neg = true,
191 .k_bool = true, .k_negbool = false,
192 .k_nextparser = &command_root.pb_parser}
193 , {.k_word = "broadcast", .k_nextparser = &parse_broadcast.pa_parser}
194 , {.k_word = "delete", .k_key = "alias", .k_deact = "alias",
195 .k_type = KW_T_BOOL, .k_bool = false,
196 .k_nextparser = &command_root.pb_parser}
197 , {.k_word = "metric", .k_nextparser = &parse_metric.pi_parser}
198 , {.k_word = "mtu", .k_nextparser = &parse_mtu.pi_parser}
199 , {.k_word = "netmask", .k_nextparser = &parse_netmask.pa_parser}
200 , {.k_word = "preference", .k_act = "address",
201 .k_nextparser = &parse_preference.pi_parser}
202 , {.k_word = "prefixlen", .k_nextparser = &parse_prefixlen.pi_parser}
203 , {.k_word = "trailers", .k_neg = true,
204 .k_exec = notrailers, .k_nextparser = &command_root.pb_parser}
205 };
206
207 /* key: clonecmd */
208 static const struct kwinst clonekw[] = {
209 {.k_word = "create", .k_type = KW_T_INT, .k_int = SIOCIFCREATE,
210 .k_nextparser = &opt_silent_family.pb_parser},
211 {.k_word = "destroy", .k_type = KW_T_INT, .k_int = SIOCIFDESTROY}
212 };
213
214 static struct kwinst familykw[24];
215
216 struct pterm cloneterm = PTERM_INITIALIZER(&cloneterm, "list cloners",
217 list_cloners, "none");
218
219 struct pterm no_cmds = PTERM_INITIALIZER(&no_cmds, "no commands", no_cmds_exec,
220 "none");
221
222 struct pkw family_only =
223 PKW_INITIALIZER(&family_only, "family-only", NULL, "af", familykw,
224 __arraycount(familykw), &no_cmds.pt_parser);
225
226 struct paddr address = PADDR_INITIALIZER(&address,
227 "local address (address 1)",
228 setifaddr, "address", "netmask", NULL, "address", &command_root.pb_parser);
229
230 struct paddr dstormask = PADDR_INITIALIZER(&dstormask,
231 "destination/netmask (address 2)",
232 setifdstormask, "dstormask", NULL, "address", "dstormask",
233 &command_root.pb_parser);
234
235 struct paddr broadcast = PADDR_INITIALIZER(&broadcast,
236 "broadcast address (address 3)",
237 setifbroadaddr, "broadcast", NULL, "dstormask", "broadcast",
238 &command_root.pb_parser);
239
240 static SIMPLEQ_HEAD(, afswtch) aflist = SIMPLEQ_HEAD_INITIALIZER(aflist);
241
242 static SIMPLEQ_HEAD(, status_func) status_funcs =
243 SIMPLEQ_HEAD_INITIALIZER(status_funcs);
244 static SIMPLEQ_HEAD(, statistics_func) statistics_funcs =
245 SIMPLEQ_HEAD_INITIALIZER(statistics_funcs);
246 static SIMPLEQ_HEAD(, cmdloop_branch) cmdloop_branches =
247 SIMPLEQ_HEAD_INITIALIZER(cmdloop_branches);
248
249 struct branch opt_clone_brs[] = {
250 {.b_nextparser = &cloning.pk_parser}
251 , {.b_nextparser = &opt_family.pb_parser}
252 }, opt_silent_family_brs[] = {
253 {.b_nextparser = &silent_family.pk_parser}
254 , {.b_nextparser = &command_root.pb_parser}
255 }, opt_family_brs[] = {
256 {.b_nextparser = &family.pk_parser}
257 , {.b_nextparser = &opt_command.pb_parser}
258 }, command_root_brs[] = {
259 {.b_nextparser = &ifflags.pk_parser}
260 , {.b_nextparser = &ifcaps.pk_parser}
261 , {.b_nextparser = &kwmedia.pk_parser}
262 , {.b_nextparser = &misc.pk_parser}
263 , {.b_nextparser = &address.pa_parser}
264 , {.b_nextparser = &dstormask.pa_parser}
265 , {.b_nextparser = &broadcast.pa_parser}
266 , {.b_nextparser = NULL}
267 }, opt_command_brs[] = {
268 {.b_nextparser = &no_cmds.pt_parser}
269 , {.b_nextparser = &command_root.pb_parser}
270 };
271
272 struct branch opt_family_only_brs[] = {
273 {.b_nextparser = &no_cmds.pt_parser}
274 , {.b_nextparser = &family_only.pk_parser}
275 };
276 struct pbranch opt_family_only = PBRANCH_INITIALIZER(&opt_family_only,
277 "opt-family-only", opt_family_only_brs,
278 __arraycount(opt_family_only_brs), true);
279 struct pbranch opt_command = PBRANCH_INITIALIZER(&opt_command,
280 "optional command",
281 opt_command_brs, __arraycount(opt_command_brs), true);
282
283 struct pbranch command_root = PBRANCH_INITIALIZER(&command_root,
284 "command-root", command_root_brs, __arraycount(command_root_brs), true);
285
286 struct piface iface_opt_family_only =
287 PIFACE_INITIALIZER(&iface_opt_family_only, "iface-opt-family-only",
288 NULL, "if", &opt_family_only.pb_parser);
289
290 struct pkw family = PKW_INITIALIZER(&family, "family", NULL, "af",
291 familykw, __arraycount(familykw), &opt_command.pb_parser);
292
293 struct pkw silent_family = PKW_INITIALIZER(&silent_family, "silent family",
294 NULL, "af", familykw, __arraycount(familykw), &command_root.pb_parser);
295
296 struct pkw *family_users[] = {&family_only, &family, &silent_family};
297
298 struct pkw ifcaps = PKW_INITIALIZER(&ifcaps, "ifcaps", setifcaps,
299 "ifcap", ifcapskw, __arraycount(ifcapskw), &command_root.pb_parser);
300
301 struct pkw ifflags = PKW_INITIALIZER(&ifflags, "ifflags", setifflags,
302 "ifflag", ifflagskw, __arraycount(ifflagskw), &command_root.pb_parser);
303
304 struct pkw cloning = PKW_INITIALIZER(&cloning, "cloning", clone_command,
305 "clonecmd", clonekw, __arraycount(clonekw), NULL);
306
307 struct pkw misc = PKW_INITIALIZER(&misc, "misc", NULL, NULL,
308 misckw, __arraycount(misckw), NULL);
309
310 struct pbranch opt_clone = PBRANCH_INITIALIZER(&opt_clone,
311 "opt-clone", opt_clone_brs, __arraycount(opt_clone_brs), true);
312
313 struct pbranch opt_silent_family = PBRANCH_INITIALIZER(&opt_silent_family,
314 "optional silent family", opt_silent_family_brs,
315 __arraycount(opt_silent_family_brs), true);
316
317 struct pbranch opt_family = PBRANCH_INITIALIZER(&opt_family,
318 "opt-family", opt_family_brs, __arraycount(opt_family_brs), true);
319
320 struct piface iface_start = PIFACE_INITIALIZER(&iface_start,
321 "iface-opt-family", NULL, "if", &opt_clone.pb_parser);
322
323 struct piface iface_only = PIFACE_INITIALIZER(&iface_only, "iface",
324 media_status_exec, "if", NULL);
325
326 static int
327 check_flag(char *flags, int flag)
328 {
329 if (flags != NULL && strchr(flags, flag) != NULL) {
330 errno = EEXIST;
331 return -1;
332 }
333
334 if (flag >= '0' && flag <= '9')
335 return 0;
336 if (flag >= 'a' && flag <= 'z')
337 return 0;
338 if (flag >= 'A' && flag <= 'Z')
339 return 0;
340
341 errno = EINVAL;
342 return -1;
343 }
344
345 void
346 cmdloop_branch_init(cmdloop_branch_t *b, struct parser *p)
347 {
348 b->b_parser = p;
349 }
350
351 void
352 statistics_func_init(statistics_func_t *f, statistics_cb_t func)
353 {
354 f->f_func = func;
355 }
356
357 void
358 status_func_init(status_func_t *f, status_cb_t func)
359 {
360 f->f_func = func;
361 }
362
363 int
364 register_cmdloop_branch(cmdloop_branch_t *b)
365 {
366 SIMPLEQ_INSERT_TAIL(&cmdloop_branches, b, b_next);
367 return 0;
368 }
369
370 int
371 register_statistics(statistics_func_t *f)
372 {
373 SIMPLEQ_INSERT_TAIL(&statistics_funcs, f, f_next);
374 return 0;
375 }
376
377 int
378 register_status(status_func_t *f)
379 {
380 SIMPLEQ_INSERT_TAIL(&status_funcs, f, f_next);
381 return 0;
382 }
383
384 int
385 register_family(struct afswtch *af)
386 {
387 SIMPLEQ_INSERT_TAIL(&aflist, af, af_next);
388 return 0;
389 }
390
391 int
392 register_flag(int flag)
393 {
394 if (check_flag(gflags, flag) == -1)
395 return -1;
396
397 if (strlen(gflags) + 1 >= sizeof(gflags)) {
398 errno = ENOMEM;
399 return -1;
400 }
401
402 gflags[strlen(gflags)] = flag;
403
404 return 0;
405 }
406
407 static int
408 flag_index(int flag)
409 {
410 if (flag >= '0' && flag <= '9')
411 return flag - '0';
412 if (flag >= 'a' && flag <= 'z')
413 return 10 + flag - 'a';
414 if (flag >= 'A' && flag <= 'Z')
415 return 10 + 26 + flag - 'a';
416
417 errno = EINVAL;
418 return -1;
419 }
420
421 static bool
422 set_flag(int flag)
423 {
424 int idx;
425
426 if ((idx = flag_index(flag)) == -1)
427 return false;
428
429 return gflagset[idx] = true;
430 }
431
432 bool
433 get_flag(int flag)
434 {
435 int idx;
436
437 if ((idx = flag_index(flag)) == -1)
438 return false;
439
440 return gflagset[idx];
441 }
442
443 static struct parser *
444 init_parser(void)
445 {
446 cmdloop_branch_t *b;
447
448 if (parser_init(&iface_opt_family_only.pif_parser) == -1)
449 err(EXIT_FAILURE, "parser_init(iface_opt_family_only)");
450 if (parser_init(&iface_only.pif_parser) == -1)
451 err(EXIT_FAILURE, "parser_init(iface_only)");
452 if (parser_init(&iface_start.pif_parser) == -1)
453 err(EXIT_FAILURE, "parser_init(iface_start)");
454
455 SIMPLEQ_FOREACH(b, &cmdloop_branches, b_next)
456 pbranch_addbranch(&command_root, b->b_parser);
457
458 return &iface_start.pif_parser;
459 }
460
461 static int
462 no_cmds_exec(prop_dictionary_t env, prop_dictionary_t xenv)
463 {
464 const char *ifname;
465 unsigned short ignore;
466
467 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */
468 if ((ifname = getifname(env)) == NULL)
469 ;
470 else if (getifflags(env, xenv, &ignore) == -1)
471 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname);
472
473 printall(ifname, env);
474 exit(EXIT_SUCCESS);
475 }
476
477 static int
478 media_status_exec(prop_dictionary_t env, prop_dictionary_t xenv)
479 {
480 const char *ifname;
481 unsigned short ignore;
482
483 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */
484 if ((ifname = getifname(env)) == NULL)
485 ;
486 else if (getifflags(env, xenv, &ignore) == -1)
487 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname);
488
489 exit(carrier(env));
490 }
491
492 static void
493 do_setifcaps(prop_dictionary_t env)
494 {
495 struct ifcapreq ifcr;
496 prop_data_t d;
497
498 d = (prop_data_t )prop_dictionary_get(env, "ifcaps");
499 if (d == NULL)
500 return;
501
502 assert(sizeof(ifcr) == prop_data_size(d));
503
504 memcpy(&ifcr, prop_data_data_nocopy(d), sizeof(ifcr));
505 if (direct_ioctl(env, SIOCSIFCAP, &ifcr) == -1)
506 err(EXIT_FAILURE, "SIOCSIFCAP");
507 }
508
509 int
510 main(int argc, char **argv)
511 {
512 const struct afswtch *afp;
513 int af, s;
514 bool aflag = false, Cflag = false;
515 struct match match[32];
516 size_t nmatch;
517 struct parser *start;
518 int ch, narg = 0, rc;
519 prop_dictionary_t env, xenv;
520 const char *ifname;
521
522 memset(match, 0, sizeof(match));
523
524 init_afs();
525
526 start = init_parser();
527
528 /* Parse command-line options */
529 aflag = vflag = zflag = false;
530 while ((ch = getopt(argc, argv, gflags)) != -1) {
531 switch (ch) {
532 case 'A':
533 warnx("-A is deprecated");
534 break;
535
536 case 'a':
537 aflag = true;
538 break;
539
540 case 'b':
541 bflag = true;
542 break;
543
544 case 'C':
545 Cflag = true;
546 break;
547
548 case 'd':
549 dflag = true;
550 break;
551 case 'h':
552 hflag = true;
553 break;
554 case 'l':
555 lflag = true;
556 break;
557
558 case 's':
559 sflag = true;
560 break;
561
562 case 'u':
563 uflag = true;
564 break;
565
566 case 'v':
567 vflag = true;
568 break;
569
570 case 'z':
571 zflag = true;
572 break;
573
574 default:
575 if (!set_flag(ch))
576 usage();
577 break;
578 }
579 switch (ch) {
580 case 'a':
581 start = &opt_family_only.pb_parser;
582 break;
583
584 #ifdef INET6
585 case 'L':
586 #endif
587 case 'm':
588 case 'v':
589 case 'z':
590 if (start != &opt_family_only.pb_parser)
591 start = &iface_opt_family_only.pif_parser;
592 break;
593 case 'C':
594 start = &cloneterm.pt_parser;
595 break;
596 case 'l':
597 start = &no_cmds.pt_parser;
598 break;
599 case 's':
600 if (start != &no_cmds.pt_parser &&
601 start != &opt_family_only.pb_parser)
602 start = &iface_only.pif_parser;
603 break;
604 default:
605 break;
606 }
607 }
608 argc -= optind;
609 argv += optind;
610
611 /*
612 * -l means "list all interfaces", and is mutally exclusive with
613 * all other flags/commands.
614 *
615 * -C means "list all names of cloners", and it mutually exclusive
616 * with all other flags/commands.
617 *
618 * -a means "print status of all interfaces".
619 */
620 if ((lflag || Cflag) && (aflag || get_flag('m') || vflag || zflag))
621 usage();
622 #ifdef INET6
623 if ((lflag || Cflag) && get_flag('L'))
624 usage();
625 #endif
626 if (lflag && Cflag)
627 usage();
628
629 nmatch = __arraycount(match);
630
631 rc = parse(argc, argv, start, match, &nmatch, &narg);
632 if (rc != 0)
633 usage();
634
635 if ((xenv = prop_dictionary_create()) == NULL)
636 err(EXIT_FAILURE, "%s: prop_dictionary_create", __func__);
637
638 if (matches_exec(match, xenv, nmatch) == -1)
639 err(EXIT_FAILURE, "exec_matches");
640
641 argc -= narg;
642 argv += narg;
643
644 env = (nmatch > 0) ? match[(int)nmatch - 1].m_env : NULL;
645 if (env == NULL)
646 env = xenv;
647 else
648 env = prop_dictionary_augment(env, xenv);
649
650 /* Process any media commands that may have been issued. */
651 process_media_commands(env);
652
653 if ((af = getaf(env)) == -1)
654 af = AF_INET;
655
656 if ((s = getsock(af)) == -1)
657 err(EXIT_FAILURE, "%s: getsock", __func__);
658
659 if ((ifname = getifname(env)) == NULL)
660 err(EXIT_FAILURE, "%s: getifname", __func__);
661
662 if ((afp = lookup_af_bynum(af)) == NULL)
663 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__);
664
665 assert(afp->af_addr_commit != NULL);
666 (*afp->af_addr_commit)(env, xenv);
667
668 do_setifpreference(env);
669 do_setifcaps(env);
670
671 exit(EXIT_SUCCESS);
672 }
673
674 static void
675 init_afs(void)
676 {
677 int i;
678 const struct afswtch *afp;
679 struct kwinst kw = {.k_type = KW_T_INT};
680
681 SIMPLEQ_FOREACH(afp, &aflist, af_next) {
682 kw.k_word = afp->af_name;
683 kw.k_int = afp->af_af;
684 for (i = 0; i < __arraycount(familykw); i++) {
685 if (familykw[i].k_word == NULL) {
686 familykw[i] = kw;
687 break;
688 }
689 }
690 }
691 }
692
693 const struct afswtch *
694 lookup_af_bynum(int afnum)
695 {
696 const struct afswtch *afp;
697
698 SIMPLEQ_FOREACH(afp, &aflist, af_next) {
699 if (afp->af_af == afnum)
700 break;
701 }
702 return afp;
703 }
704
705 void
706 printall(const char *ifname, prop_dictionary_t env0)
707 {
708 struct ifaddrs *ifap, *ifa;
709 struct ifreq ifr;
710 const struct sockaddr_dl *sdl = NULL;
711 prop_dictionary_t env, oenv;
712 int idx;
713 char *p;
714
715 if (env0 == NULL)
716 env = prop_dictionary_create();
717 else
718 env = prop_dictionary_copy_mutable(env0);
719
720 oenv = prop_dictionary_create();
721
722 if (env == NULL || oenv == NULL)
723 errx(EXIT_FAILURE, "%s: prop_dictionary_copy/create", __func__);
724
725 if (getifaddrs(&ifap) != 0)
726 err(EXIT_FAILURE, "getifaddrs");
727 p = NULL;
728 idx = 0;
729 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
730 memset(&ifr, 0, sizeof(ifr));
731 estrlcpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name));
732 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) {
733 memcpy(&ifr.ifr_addr, ifa->ifa_addr,
734 ifa->ifa_addr->sa_len);
735 }
736
737 if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0)
738 continue;
739 if (ifa->ifa_addr->sa_family == AF_LINK)
740 sdl = (const struct sockaddr_dl *) ifa->ifa_addr;
741 if (p && strcmp(p, ifa->ifa_name) == 0)
742 continue;
743 if (!prop_dictionary_set_cstring(env, "if", ifa->ifa_name))
744 continue;
745 p = ifa->ifa_name;
746
747 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0)
748 continue;
749 if (dflag && (ifa->ifa_flags & IFF_UP) != 0)
750 continue;
751 if (uflag && (ifa->ifa_flags & IFF_UP) == 0)
752 continue;
753
754 if (sflag && carrier(env))
755 continue;
756 idx++;
757 /*
758 * Are we just listing the interfaces?
759 */
760 if (lflag) {
761 if (idx > 1)
762 printf(" ");
763 fputs(ifa->ifa_name, stdout);
764 continue;
765 }
766
767 status(sdl, env, oenv);
768 sdl = NULL;
769 }
770 if (lflag)
771 printf("\n");
772 prop_object_release((prop_object_t)env);
773 prop_object_release((prop_object_t)oenv);
774 freeifaddrs(ifap);
775 }
776
777 static int
778 list_cloners(prop_dictionary_t env, prop_dictionary_t oenv)
779 {
780 struct if_clonereq ifcr;
781 char *cp, *buf;
782 int idx, s;
783
784 memset(&ifcr, 0, sizeof(ifcr));
785
786 s = getsock(AF_INET);
787
788 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
789 err(EXIT_FAILURE, "SIOCIFGCLONERS for count");
790
791 buf = malloc(ifcr.ifcr_total * IFNAMSIZ);
792 if (buf == NULL)
793 err(EXIT_FAILURE, "unable to allocate cloner name buffer");
794
795 ifcr.ifcr_count = ifcr.ifcr_total;
796 ifcr.ifcr_buffer = buf;
797
798 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
799 err(EXIT_FAILURE, "SIOCIFGCLONERS for names");
800
801 /*
802 * In case some disappeared in the mean time, clamp it down.
803 */
804 if (ifcr.ifcr_count > ifcr.ifcr_total)
805 ifcr.ifcr_count = ifcr.ifcr_total;
806
807 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) {
808 if (idx > 0)
809 printf(" ");
810 printf("%s", cp);
811 }
812
813 printf("\n");
814 free(buf);
815 exit(EXIT_SUCCESS);
816 }
817
818 static int
819 clone_command(prop_dictionary_t env, prop_dictionary_t xenv)
820 {
821 int64_t cmd;
822
823 if (!prop_dictionary_get_int64(env, "clonecmd", &cmd)) {
824 errno = ENOENT;
825 return -1;
826 }
827
828 if (indirect_ioctl(env, (unsigned long)cmd, NULL) == -1) {
829 warn("%s", __func__);
830 return -1;
831 }
832 return 0;
833 }
834
835 /*ARGSUSED*/
836 static int
837 setifaddr(prop_dictionary_t env, prop_dictionary_t xenv)
838 {
839 const struct paddr_prefix *pfx0;
840 struct paddr_prefix *pfx;
841 prop_data_t d;
842 int af;
843
844 if ((af = getaf(env)) == -1)
845 af = AF_INET;
846
847 d = (prop_data_t)prop_dictionary_get(env, "address");
848 assert(d != NULL);
849 pfx0 = prop_data_data_nocopy(d);
850
851 if (pfx0->pfx_len >= 0) {
852 pfx = prefixlen_to_mask(af, pfx0->pfx_len);
853 if (pfx == NULL)
854 err(EXIT_FAILURE, "prefixlen_to_mask");
855 free(pfx);
856 }
857
858 return 0;
859 }
860
861 static int
862 setifnetmask(prop_dictionary_t env, prop_dictionary_t xenv)
863 {
864 const struct paddr_prefix *pfx;
865 prop_data_t d;
866
867 d = (prop_data_t)prop_dictionary_get(env, "dstormask");
868 assert(d != NULL);
869 pfx = prop_data_data_nocopy(d);
870
871 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d))
872 return -1;
873
874 return 0;
875 }
876
877 static int
878 setifbroadaddr(prop_dictionary_t env, prop_dictionary_t xenv)
879 {
880 const struct paddr_prefix *pfx;
881 prop_data_t d;
882 unsigned short flags;
883
884 if (getifflags(env, xenv, &flags) == -1)
885 err(EXIT_FAILURE, "%s: getifflags", __func__);
886
887 if ((flags & IFF_BROADCAST) == 0)
888 errx(EXIT_FAILURE, "not a broadcast interface");
889
890 d = (prop_data_t)prop_dictionary_get(env, "broadcast");
891 assert(d != NULL);
892 pfx = prop_data_data_nocopy(d);
893
894 if (!prop_dictionary_set(xenv, "broadcast", (prop_object_t)d))
895 return -1;
896
897 return 0;
898 }
899
900 /*ARGSUSED*/
901 static int
902 notrailers(prop_dictionary_t env, prop_dictionary_t xenv)
903 {
904 puts("Note: trailers are no longer sent, but always received");
905 return 0;
906 }
907
908 /*ARGSUSED*/
909 static int
910 setifdstormask(prop_dictionary_t env, prop_dictionary_t xenv)
911 {
912 const char *key;
913 const struct paddr_prefix *pfx;
914 prop_data_t d;
915 unsigned short flags;
916
917 if (getifflags(env, xenv, &flags) == -1)
918 err(EXIT_FAILURE, "%s: getifflags", __func__);
919
920 d = (prop_data_t)prop_dictionary_get(env, "dstormask");
921 assert(d != NULL);
922 pfx = prop_data_data_nocopy(d);
923
924 if ((flags & IFF_BROADCAST) == 0) {
925 key = "dst";
926 } else {
927 key = "netmask";
928 }
929
930 if (!prop_dictionary_set(xenv, key, (prop_object_t)d))
931 return -1;
932
933 return 0;
934 }
935
936 static int
937 setifflags(prop_dictionary_t env, prop_dictionary_t xenv)
938 {
939 struct ifreq ifr;
940 int64_t ifflag;
941 bool rc;
942
943 rc = prop_dictionary_get_int64(env, "ifflag", &ifflag);
944 assert(rc);
945
946 if (direct_ioctl(env, SIOCGIFFLAGS, &ifr) == -1)
947 return -1;
948
949 if (ifflag < 0) {
950 ifflag = -ifflag;
951 ifr.ifr_flags &= ~ifflag;
952 } else
953 ifr.ifr_flags |= ifflag;
954
955 if (direct_ioctl(env, SIOCSIFFLAGS, &ifr) == -1)
956 return -1;
957
958 return 0;
959 }
960
961 static int
962 getifcaps(prop_dictionary_t env, prop_dictionary_t oenv, struct ifcapreq *oifcr)
963 {
964 bool rc;
965 struct ifcapreq ifcr;
966 const struct ifcapreq *tmpifcr;
967 prop_data_t capdata;
968
969 capdata = (prop_data_t)prop_dictionary_get(env, "ifcaps");
970
971 if (capdata != NULL) {
972 tmpifcr = prop_data_data_nocopy(capdata);
973 *oifcr = *tmpifcr;
974 return 0;
975 }
976
977 (void)direct_ioctl(env, SIOCGIFCAP, &ifcr);
978 *oifcr = ifcr;
979
980 capdata = prop_data_create_data(&ifcr, sizeof(ifcr));
981
982 rc = prop_dictionary_set(oenv, "ifcaps", capdata);
983
984 prop_object_release((prop_object_t)capdata);
985
986 return rc ? 0 : -1;
987 }
988
989 static int
990 setifcaps(prop_dictionary_t env, prop_dictionary_t oenv)
991 {
992 int64_t ifcap;
993 int s;
994 bool rc;
995 prop_data_t capdata;
996 struct ifcapreq ifcr;
997
998 s = getsock(AF_INET);
999
1000 rc = prop_dictionary_get_int64(env, "ifcap", &ifcap);
1001 assert(rc);
1002
1003 if (getifcaps(env, oenv, &ifcr) == -1)
1004 return -1;
1005
1006 if (ifcap < 0) {
1007 ifcap = -ifcap;
1008 ifcr.ifcr_capenable &= ~ifcap;
1009 } else
1010 ifcr.ifcr_capenable |= ifcap;
1011
1012 if ((capdata = prop_data_create_data(&ifcr, sizeof(ifcr))) == NULL)
1013 return -1;
1014
1015 rc = prop_dictionary_set(oenv, "ifcaps", capdata);
1016 prop_object_release((prop_object_t)capdata);
1017
1018 return rc ? 0 : -1;
1019 }
1020
1021 static int
1022 setifmetric(prop_dictionary_t env, prop_dictionary_t xenv)
1023 {
1024 struct ifreq ifr;
1025 bool rc;
1026 int64_t metric;
1027
1028 rc = prop_dictionary_get_int64(env, "metric", &metric);
1029 assert(rc);
1030
1031 ifr.ifr_metric = metric;
1032 if (direct_ioctl(env, SIOCSIFMETRIC, &ifr) == -1)
1033 warn("SIOCSIFMETRIC");
1034 return 0;
1035 }
1036
1037 static void
1038 do_setifpreference(prop_dictionary_t env)
1039 {
1040 struct if_addrprefreq ifap;
1041 prop_data_t d;
1042 const struct paddr_prefix *pfx;
1043
1044 memset(&ifap, 0, sizeof(ifap));
1045
1046 if (!prop_dictionary_get_int16(env, "preference",
1047 &ifap.ifap_preference))
1048 return;
1049
1050 d = (prop_data_t)prop_dictionary_get(env, "address");
1051 assert(d != NULL);
1052
1053 pfx = prop_data_data_nocopy(d);
1054
1055 memcpy(&ifap.ifap_addr, &pfx->pfx_addr,
1056 MIN(sizeof(ifap.ifap_addr), pfx->pfx_addr.sa_len));
1057 if (direct_ioctl(env, SIOCSIFADDRPREF, &ifap) == -1)
1058 warn("SIOCSIFADDRPREF");
1059 }
1060
1061 static int
1062 setifmtu(prop_dictionary_t env, prop_dictionary_t xenv)
1063 {
1064 int64_t mtu;
1065 bool rc;
1066 struct ifreq ifr;
1067
1068 rc = prop_dictionary_get_int64(env, "mtu", &mtu);
1069 assert(rc);
1070
1071 ifr.ifr_mtu = mtu;
1072 if (direct_ioctl(env, SIOCSIFMTU, &ifr) == -1)
1073 warn("SIOCSIFMTU");
1074
1075 return 0;
1076 }
1077
1078 static int
1079 carrier(prop_dictionary_t env)
1080 {
1081 struct ifmediareq ifmr;
1082
1083 memset(&ifmr, 0, sizeof(ifmr));
1084
1085 if (direct_ioctl(env, SIOCGIFMEDIA, &ifmr) == -1) {
1086 /*
1087 * Interface doesn't support SIOC{G,S}IFMEDIA;
1088 * assume ok.
1089 */
1090 return EXIT_SUCCESS;
1091 }
1092 if ((ifmr.ifm_status & IFM_AVALID) == 0) {
1093 /*
1094 * Interface doesn't report media-valid status.
1095 * assume ok.
1096 */
1097 return EXIT_SUCCESS;
1098 }
1099 /* otherwise, return ok for active, not-ok if not active. */
1100 if (ifmr.ifm_status & IFM_ACTIVE)
1101 return EXIT_SUCCESS;
1102 else
1103 return EXIT_FAILURE;
1104 }
1105
1106 static void
1107 print_plural(const char *prefix, uint64_t n, const char *unit)
1108 {
1109 printf("%s%" PRIu64 " %s%s", prefix, n, unit, (n == 1) ? "" : "s");
1110 }
1111
1112 static void
1113 print_human_bytes(bool humanize, uint64_t n)
1114 {
1115 char buf[5];
1116
1117 if (humanize) {
1118 (void)humanize_number(buf, sizeof(buf),
1119 (int64_t)n, "", HN_AUTOSCALE, HN_NOSPACE | HN_DECIMAL);
1120 printf(", %s byte%s", buf, (atof(buf) == 1.0) ? "" : "s");
1121 } else
1122 print_plural(", ", n, "byte");
1123 }
1124
1125 /*
1126 * Print the status of the interface. If an address family was
1127 * specified, show it and it only; otherwise, show them all.
1128 */
1129 void
1130 status(const struct sockaddr_dl *sdl, prop_dictionary_t env,
1131 prop_dictionary_t oenv)
1132 {
1133 const struct if_data *ifi;
1134 status_func_t *status_f;
1135 statistics_func_t *statistics_f;
1136 struct ifdatareq ifdr;
1137 struct ifreq ifr;
1138 char hbuf[NI_MAXHOST];
1139 char fbuf[BUFSIZ];
1140 int af, s;
1141 const char *ifname;
1142 struct ifcapreq ifcr;
1143 unsigned short flags;
1144 const struct afswtch *afp;
1145
1146 if ((af = getaf(env)) == -1) {
1147 afp = NULL;
1148 af = AF_UNSPEC;
1149 } else
1150 afp = lookup_af_bynum(af);
1151
1152 /* get out early if the family is unsupported by the kernel */
1153 if ((s = getsock(af)) == -1)
1154 err(EXIT_FAILURE, "%s: getsock", __func__);
1155
1156 if ((ifname = getifinfo(env, oenv, &flags)) == NULL)
1157 err(EXIT_FAILURE, "%s: getifinfo", __func__);
1158
1159 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags);
1160 printf("%s: flags=%s", ifname, &fbuf[2]);
1161
1162 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1163 if (ioctl(s, SIOCGIFMETRIC, &ifr) == -1)
1164 warn("SIOCGIFMETRIC %s", ifr.ifr_name);
1165 else if (ifr.ifr_metric != 0)
1166 printf(" metric %d", ifr.ifr_metric);
1167
1168 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1169 if (ioctl(s, SIOCGIFMTU, &ifr) != -1 && ifr.ifr_mtu != 0)
1170 printf(" mtu %d", ifr.ifr_mtu);
1171 printf("\n");
1172
1173 if (getifcaps(env, oenv, &ifcr) == -1)
1174 err(EXIT_FAILURE, "%s: getifcaps", __func__);
1175
1176 if (ifcr.ifcr_capabilities != 0) {
1177 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS,
1178 ifcr.ifcr_capabilities);
1179 printf("\tcapabilities=%s\n", &fbuf[2]);
1180 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS,
1181 ifcr.ifcr_capenable);
1182 printf("\tenabled=%s\n", &fbuf[2]);
1183 }
1184
1185 SIMPLEQ_FOREACH(status_f, &status_funcs, f_next)
1186 (*status_f->f_func)(env, oenv);
1187
1188 if (sdl != NULL &&
1189 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len,
1190 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 &&
1191 hbuf[0] != '\0')
1192 printf("\taddress: %s\n", hbuf);
1193
1194 media_status(env, oenv);
1195
1196 if (!vflag && !zflag)
1197 goto proto_status;
1198
1199 estrlcpy(ifdr.ifdr_name, ifname, sizeof(ifdr.ifdr_name));
1200
1201 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1)
1202 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA");
1203
1204 ifi = &ifdr.ifdr_data;
1205
1206 print_plural("\tinput: ", ifi->ifi_ipackets, "packet");
1207 print_human_bytes(hflag, ifi->ifi_ibytes);
1208 if (ifi->ifi_imcasts)
1209 print_plural(", ", ifi->ifi_imcasts, "multicast");
1210 if (ifi->ifi_ierrors)
1211 print_plural(", ", ifi->ifi_ierrors, "error");
1212 if (ifi->ifi_iqdrops)
1213 print_plural(", ", ifi->ifi_iqdrops, "queue drop");
1214 if (ifi->ifi_noproto)
1215 printf(", %" PRIu64 " unknown protocol", ifi->ifi_noproto);
1216 print_plural("\n\toutput: ", ifi->ifi_opackets, "packet");
1217 print_human_bytes(hflag, ifi->ifi_obytes);
1218 if (ifi->ifi_omcasts)
1219 print_plural(", ", ifi->ifi_omcasts, "multicast");
1220 if (ifi->ifi_oerrors)
1221 print_plural(", ", ifi->ifi_oerrors, "error");
1222 if (ifi->ifi_collisions)
1223 print_plural(", ", ifi->ifi_collisions, "collision");
1224 printf("\n");
1225
1226 SIMPLEQ_FOREACH(statistics_f, &statistics_funcs, f_next)
1227 (*statistics_f->f_func)(env);
1228
1229 proto_status:
1230
1231 if (afp != NULL)
1232 (*afp->af_status)(env, oenv, true);
1233 else SIMPLEQ_FOREACH(afp, &aflist, af_next)
1234 (*afp->af_status)(env, oenv, false);
1235 }
1236
1237 static int
1238 setifprefixlen(prop_dictionary_t env, prop_dictionary_t xenv)
1239 {
1240 bool rc;
1241 int64_t plen;
1242 int af;
1243 struct paddr_prefix *pfx;
1244 prop_data_t d;
1245
1246 if ((af = getaf(env)) == -1)
1247 af = AF_INET;
1248
1249 rc = prop_dictionary_get_int64(env, "prefixlen", &plen);
1250 assert(rc);
1251
1252 pfx = prefixlen_to_mask(af, plen);
1253 if (pfx == NULL)
1254 err(EXIT_FAILURE, "prefixlen_to_mask");
1255
1256 d = prop_data_create_data(pfx,
1257 offsetof(struct paddr_prefix, pfx_addr) + pfx->pfx_addr.sa_len);
1258 if (d == NULL)
1259 err(EXIT_FAILURE, "%s: prop_data_create_data", __func__);
1260
1261 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d))
1262 err(EXIT_FAILURE, "%s: prop_dictionary_set", __func__);
1263
1264 free(pfx);
1265 return 0;
1266 }
1267
1268 void
1269 usage(void)
1270 {
1271 const char *progname = getprogname();
1272
1273 fprintf(stderr,
1274 "usage: %s [-h] [-m] [-v] [-z] "
1275 #ifdef INET6
1276 "[-L] "
1277 #endif
1278 "interface\n"
1279 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n"
1280 "\t\t[ alias | -alias ] ]\n"
1281 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n"
1282 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n"
1283 "\t[ list scan ]\n"
1284 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n"
1285 "\t[ hidessid | -hidessid ] [ apbridge | -apbridge ]\n"
1286 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n"
1287 "\t[ arp | -arp ]\n"
1288 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] "
1289 "[ instance minst ]\n"
1290 "\t[ preference n ]\n"
1291 "\t[ vlan n vlanif i ]\n"
1292 "\t[ agrport i ] [ -agrport i ]\n"
1293 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n"
1294 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n"
1295 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n"
1296 " %s -a [-b] [-h] [-m] [-d] [-u] [-v] [-z] [ af ]\n"
1297 " %s -l [-b] [-d] [-u] [-s]\n"
1298 " %s -C\n"
1299 " %s interface create\n"
1300 " %s interface destroy\n",
1301 progname, progname, progname, progname, progname, progname);
1302 exit(EXIT_FAILURE);
1303 }
1304