ifconfig.c revision 1.197 1 /* $NetBSD: ifconfig.c,v 1.197 2008/05/07 20:11:15 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 #endif /* not lint */
67
68 #ifndef lint
69 #if 0
70 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94";
71 #else
72 __RCSID("$NetBSD: ifconfig.c,v 1.197 2008/05/07 20:11:15 dyoung Exp $");
73 #endif
74 #endif /* not lint */
75
76 #include <sys/param.h>
77 #include <sys/socket.h>
78 #include <sys/ioctl.h>
79
80 #include <net/if.h>
81 #include <net/if_dl.h>
82 #include <net/if_media.h>
83 #include <net/if_ether.h>
84 #include <netinet/in.h> /* XXX */
85 #include <netinet/in_var.h> /* XXX */
86
87 #include <netdb.h>
88
89 #include <sys/protosw.h>
90
91 #include <assert.h>
92 #include <ctype.h>
93 #include <err.h>
94 #include <errno.h>
95 #include <stdbool.h>
96 #include <stddef.h>
97 #include <stdio.h>
98 #include <stdlib.h>
99 #include <string.h>
100 #include <unistd.h>
101 #include <ifaddrs.h>
102 #include <util.h>
103
104 #include "extern.h"
105
106 #ifndef INET_ONLY
107 #include "af_atalk.h"
108 #include "af_iso.h"
109 #endif /* ! INET_ONLY */
110 #include "af_inet.h"
111 #ifdef INET6
112 #include "af_inet6.h"
113 #endif /* INET6 */
114
115 #include "agr.h"
116 #include "carp.h"
117 #include "ieee80211.h"
118 #include "tunnel.h"
119 #include "vlan.h"
120 #include "parse.h"
121 #include "env.h"
122
123 int setaddr, doalias;
124 int clearaddr;
125 int newaddr = -1;
126 int check_up_state = -1;
127 int bflag, dflag, hflag, lflag, mflag, sflag, uflag, vflag, zflag;
128 #ifdef INET6
129 int Lflag;
130 #endif
131
132 /*
133 * Media stuff. Whenever a media command is first performed, the
134 * currently select media is grabbed for this interface. If `media'
135 * is given, the current media word is modifed. `mediaopt' commands
136 * only modify the set and clear words. They then operate on the
137 * current media word later.
138 */
139 int media_current;
140 int mediaopt_set;
141 int mediaopt_clear;
142
143 void check_ifflags_up(const char *);
144
145 int notealias(prop_dictionary_t, prop_dictionary_t);
146 int notrailers(prop_dictionary_t, prop_dictionary_t);
147 int setifaddr(prop_dictionary_t, prop_dictionary_t);
148 int setifdstormask(prop_dictionary_t, prop_dictionary_t);
149 int setifflags(prop_dictionary_t, prop_dictionary_t);
150 static int setifcaps(prop_dictionary_t, prop_dictionary_t);
151 int setifbroadaddr(prop_dictionary_t, prop_dictionary_t);
152 static int setifmetric(prop_dictionary_t, prop_dictionary_t);
153 static int setifmtu(prop_dictionary_t, prop_dictionary_t);
154 int setifnetmask(prop_dictionary_t, prop_dictionary_t);
155 int setifprefixlen(prop_dictionary_t, prop_dictionary_t);
156 int setmedia(prop_dictionary_t, prop_dictionary_t);
157 int setmediamode(prop_dictionary_t, prop_dictionary_t);
158 int setmediaopt(prop_dictionary_t, prop_dictionary_t);
159 int unsetmediaopt(prop_dictionary_t, prop_dictionary_t);
160 int setmediainst(prop_dictionary_t, prop_dictionary_t);
161 static int clone_command(prop_dictionary_t, prop_dictionary_t);
162 static void do_setifpreference(prop_dictionary_t);
163
164 static int no_cmds_exec(prop_dictionary_t, prop_dictionary_t);
165 static int media_status_exec(prop_dictionary_t, prop_dictionary_t);
166
167 int carrier(prop_dictionary_t);
168 void printall(const char *, prop_dictionary_t);
169 int list_cloners(prop_dictionary_t, prop_dictionary_t);
170 void status(const struct sockaddr_dl *, prop_dictionary_t,
171 prop_dictionary_t);
172 void usage(void);
173
174 void print_media_word(int, const char *);
175 void process_media_commands(prop_dictionary_t);
176 void init_current_media(prop_dictionary_t, prop_dictionary_t);
177
178 /* Known address families */
179 static const struct afswtch afs[] = {
180 {.af_name = "inet", .af_af = AF_INET, .af_status = in_status,
181 .af_addr_commit = commit_address}
182
183 #ifdef INET6
184 , {.af_name = "inet6", .af_af = AF_INET6, .af_status = in6_status,
185 .af_getaddr = in6_getaddr, .af_getprefix = in6_getprefix,
186 .af_difaddr = SIOCDIFADDR_IN6, .af_aifaddr = SIOCAIFADDR_IN6,
187 /* Deleting the first address before setting new one is
188 * not prefered way in this protocol.
189 */
190 .af_gifaddr = 0, .af_ridreq = &in6_ridreq, .af_addreq = &in6_addreq}
191 #endif
192
193 #ifndef INET_ONLY /* small version, for boot media */
194 , {.af_name = "atalk", .af_af = AF_APPLETALK, .af_status = at_status,
195 .af_getaddr = at_getaddr, NULL, .af_difaddr = SIOCDIFADDR,
196 .af_aifaddr = SIOCAIFADDR, .af_gifaddr = SIOCGIFADDR,
197 .af_ridreq = &at_addreq, .af_addreq = &at_addreq}
198 , {.af_name = "iso", .af_af = AF_ISO, .af_status = iso_status,
199 .af_getaddr = iso_getaddr, NULL, .af_difaddr = SIOCDIFADDR_ISO,
200 .af_aifaddr = SIOCAIFADDR_ISO, .af_gifaddr = SIOCGIFADDR_ISO,
201 .af_ridreq = &iso_ridreq, .af_addreq = &iso_addreq}
202 #endif /* INET_ONLY */
203
204 , {.af_name = NULL} /* sentinel */
205 };
206
207 #define IFKW(__word, __flag) \
208 { \
209 .k_word = (__word), .k_neg = true, .k_type = KW_T_NUM, \
210 .k_num = (__flag), \
211 .k_negnum = -(__flag) \
212 }
213
214 struct kwinst ifflagskw[] = {
215 IFKW("arp", IFF_NOARP)
216 , IFKW("debug", IFF_DEBUG)
217 , IFKW("link0", IFF_LINK0)
218 , IFKW("link1", IFF_LINK1)
219 , IFKW("link2", IFF_LINK2)
220 , {.k_word = "down", .k_type = KW_T_NUM, .k_num = -IFF_UP}
221 , {.k_word = "up", .k_type = KW_T_NUM, .k_num = IFF_UP}
222 };
223
224 struct kwinst ifcapskw[] = {
225 IFKW("ip4csum-tx", IFCAP_CSUM_IPv4_Tx)
226 , IFKW("ip4csum-rx", IFCAP_CSUM_IPv4_Rx)
227 , IFKW("tcp4csum-tx", IFCAP_CSUM_TCPv4_Tx)
228 , IFKW("tcp4csum-rx", IFCAP_CSUM_TCPv4_Rx)
229 , IFKW("udp4csum-tx", IFCAP_CSUM_UDPv4_Tx)
230 , IFKW("udp4csum-rx", IFCAP_CSUM_UDPv4_Rx)
231 , IFKW("tcp6csum-tx", IFCAP_CSUM_TCPv6_Tx)
232 , IFKW("tcp6csum-rx", IFCAP_CSUM_TCPv6_Rx)
233 , IFKW("udp6csum-tx", IFCAP_CSUM_UDPv6_Tx)
234 , IFKW("udp6csum-rx", IFCAP_CSUM_UDPv6_Rx)
235 , IFKW("ip4csum", IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx)
236 , IFKW("tcp4csum", IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx)
237 , IFKW("udp4csum", IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx)
238 , IFKW("tcp6csum", IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx)
239 , IFKW("udp6csum", IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx)
240 , IFKW("tso4", IFCAP_TSOv4)
241 , IFKW("tso6", IFCAP_TSOv6)
242 };
243
244 extern struct pbranch command_root;
245 extern struct pbranch opt_command;
246 extern struct pbranch opt_family, opt_silent_family;
247 extern struct pkw cloning, silent_family, family, ia6flags, ia6lifetime,
248 ifcaps, ifflags, misc;
249
250 struct pinteger parse_metric = PINTEGER_INITIALIZER(&parse_metric, "metric", 10,
251 setifmetric, "metric", &command_root.pb_parser);
252
253 struct pinteger parse_mtu = PINTEGER_INITIALIZER(&parse_mtu, "mtu", 10,
254 setifmtu, "mtu", &command_root.pb_parser);
255
256 struct pinteger parse_prefixlen = PINTEGER_INITIALIZER(&parse_prefixlen,
257 "prefixlen", 10, setifprefixlen, "prefixlen", &command_root.pb_parser);
258
259 struct pinteger parse_preference = PINTEGER_INITIALIZER1(&parse_preference,
260 "preference", INT16_MIN, INT16_MAX, 10, NULL, "preference",
261 &command_root.pb_parser);
262
263 struct paddr parse_netmask = PADDR_INITIALIZER(&parse_netmask, "netmask",
264 setifnetmask, "dstormask", NULL, NULL, NULL, &command_root.pb_parser);
265
266 struct paddr parse_broadcast = PADDR_INITIALIZER(&parse_broadcast,
267 "broadcast address",
268 setifbroadaddr, "broadcast", NULL, NULL, NULL, &command_root.pb_parser);
269
270 struct pstr mediamode = PSTR_INITIALIZER(&mediamode, "mediamode",
271 setmediamode, "mediamode", &command_root.pb_parser);
272
273 struct pinteger mediainst = PINTEGER_INITIALIZER1(&mediainst, "mediainst",
274 0, IFM_INST_MAX, 10, setmediainst, "mediainst", &command_root.pb_parser);
275
276 struct pstr unmediaopt = PSTR_INITIALIZER(&unmediaopt, "-mediaopt",
277 unsetmediaopt, "unmediaopt", &command_root.pb_parser);
278
279 struct pstr mediaopt = PSTR_INITIALIZER(&mediaopt, "mediaopt",
280 setmediaopt, "mediaopt", &command_root.pb_parser);
281
282 struct pstr media = PSTR_INITIALIZER(&media, "media",
283 setmedia, "media", &command_root.pb_parser);
284
285 struct kwinst misckw[] = {
286 {.k_word = "alias", .k_key = "alias", .k_deact = "alias",
287 .k_type = KW_T_BOOL, .k_neg = true,
288 .k_bool = true, .k_negbool = false,
289 .k_exec = notealias, .k_nextparser = &command_root.pb_parser}
290 , {.k_word = "broadcast", .k_nextparser = &parse_broadcast.pa_parser}
291 , {.k_word = "delete", .k_key = "alias", .k_deact = "alias",
292 .k_type = KW_T_BOOL, .k_bool = false, .k_exec = notealias,
293 .k_nextparser = &command_root.pb_parser}
294 , {.k_word = "instance", .k_key = "anymedia", .k_type = KW_T_BOOL,
295 .k_bool = true, .k_act = "media", .k_deact = "mediainst",
296 .k_nextparser = &mediainst.pi_parser}
297 , {.k_word = "inst", .k_key = "anymedia", .k_type = KW_T_BOOL,
298 .k_bool = true, .k_act = "media", .k_deact = "mediainst",
299 .k_nextparser = &mediainst.pi_parser}
300 , {.k_word = "media", .k_key = "anymedia", .k_type = KW_T_BOOL,
301 .k_bool = true, .k_deact = "media", .k_altdeact = "anymedia",
302 .k_nextparser = &media.ps_parser}
303 , {.k_word = "mediaopt", .k_key = "anymedia", .k_type = KW_T_BOOL,
304 .k_bool = true, .k_deact = "mediaopt", .k_altdeact = "instance",
305 .k_nextparser = &mediaopt.ps_parser}
306 , {.k_word = "-mediaopt", .k_key = "anymedia", .k_type = KW_T_BOOL,
307 .k_bool = true, .k_deact = "unmediaopt", .k_altdeact = "media",
308 .k_nextparser = &unmediaopt.ps_parser}
309 , {.k_word = "mode", .k_key = "anymedia", .k_type = KW_T_BOOL,
310 .k_bool = true, .k_deact = "mode",
311 .k_nextparser = &mediamode.ps_parser}
312 , {.k_word = "metric", .k_nextparser = &parse_metric.pi_parser}
313 , {.k_word = "mtu", .k_nextparser = &parse_mtu.pi_parser}
314 , {.k_word = "netmask", .k_nextparser = &parse_netmask.pa_parser}
315 , {.k_word = "preference", .k_act = "address",
316 .k_nextparser = &parse_preference.pi_parser}
317 , {.k_word = "prefixlen", .k_nextparser = &parse_prefixlen.pi_parser}
318 , {.k_word = "trailers", .k_neg = true,
319 .k_exec = notrailers, .k_nextparser = &command_root.pb_parser}
320 #ifndef INET_ONLY
321 , {.k_word = "phase", .k_nextparser = &phase.pi_parser}
322 , {.k_word = "range", .k_nextparser = &parse_range.ps_parser}
323 , {.k_word = "nsellength", .k_nextparser = &parse_nsellength.pi_parser}
324 , {.k_word = "snpaoffset", .k_nextparser = &parse_snpaoffset.pi_parser}
325 /* CARP */
326 , {.k_word = "advbase", .k_nextparser = &parse_advbase.pi_parser}
327 , {.k_word = "advskew", .k_nextparser = &parse_advskew.pi_parser}
328 , {.k_word = "carpdev", .k_nextparser = &carpdev.pif_parser}
329 , {.k_word = "-carpdev", .k_key = "carpdev", .k_type = KW_T_STR,
330 .k_str = "", .k_exec = setcarpdev,
331 .k_nextparser = &command_root.pb_parser}
332 , {.k_word = "pass", .k_nextparser = &pass.ps_parser}
333 , {.k_word = "state", .k_nextparser = &carpstate.pk_parser}
334 , {.k_word = "vhid", .k_nextparser = &parse_vhid.pi_parser}
335 #endif
336 #ifdef INET6
337 , {.k_word = "eui64", .k_exec = setia6eui64,
338 .k_nextparser = &command_root.pb_parser}
339 #endif /*INET6*/
340 };
341
342 /* key: clonecmd */
343 struct kwinst clonekw[] = {
344 {.k_word = "create", .k_type = KW_T_NUM, .k_num = SIOCIFCREATE,
345 .k_nextparser = &opt_silent_family.pb_parser},
346 {.k_word = "destroy", .k_type = KW_T_NUM, .k_num = SIOCIFDESTROY}
347 };
348
349 struct kwinst familykw[] = {
350 {.k_word = "inet", .k_type = KW_T_NUM, .k_num = AF_INET,
351 .k_nextparser = NULL}
352 #ifdef INET6
353 , {.k_word = "inet6", .k_type = KW_T_NUM, .k_num = AF_INET6,
354 .k_nextparser = NULL}
355 #endif
356 #ifndef INET_ONLY /* small version, for boot media */
357 , {.k_word = "atalk", .k_type = KW_T_NUM, .k_num = AF_APPLETALK,
358 .k_nextparser = NULL}
359 , {.k_word = "iso", .k_type = KW_T_NUM, .k_num = AF_ISO,
360 .k_nextparser = NULL}
361 #endif /* INET_ONLY */
362 };
363
364 struct pterm cloneterm = PTERM_INITIALIZER(&cloneterm, "list cloners",
365 list_cloners, "none");
366
367 struct pterm no_cmds = PTERM_INITIALIZER(&no_cmds, "no commands", no_cmds_exec,
368 "none");
369
370 struct pkw family_only =
371 PKW_INITIALIZER(&family_only, "family-only", NULL, "af", familykw,
372 __arraycount(familykw), &no_cmds.pt_parser);
373
374 struct paddr address = PADDR_INITIALIZER(&address,
375 "local address (address 1)",
376 setifaddr, "address", "netmask", NULL, "address", &command_root.pb_parser);
377
378 struct paddr dstormask = PADDR_INITIALIZER(&dstormask,
379 "destination/netmask (address 2)",
380 setifdstormask, "dstormask", NULL, "address", "dstormask",
381 &command_root.pb_parser);
382
383 struct paddr broadcast = PADDR_INITIALIZER(&broadcast,
384 "broadcast address (address 3)",
385 setifbroadaddr, "broadcast", NULL, "dstormask", "broadcast",
386 &command_root.pb_parser);
387
388 struct branch opt_clone_brs[] = {
389 {.b_nextparser = &cloning.pk_parser}
390 , {.b_nextparser = &opt_family.pb_parser}
391 }, opt_silent_family_brs[] = {
392 {.b_nextparser = &silent_family.pk_parser}
393 , {.b_nextparser = &command_root.pb_parser}
394 }, opt_family_brs[] = {
395 {.b_nextparser = &family.pk_parser}
396 , {.b_nextparser = &opt_command.pb_parser}
397 }, command_root_brs[] = {
398 {.b_nextparser = &ieee80211bool.pk_parser}
399 , {.b_nextparser = &ifflags.pk_parser}
400 , {.b_nextparser = &ifcaps.pk_parser}
401 #ifdef INET6
402 , {.b_nextparser = &ia6flags.pk_parser}
403 , {.b_nextparser = &ia6lifetime.pk_parser}
404 #endif /*INET6*/
405 , {.b_nextparser = &misc.pk_parser}
406 , {.b_nextparser = &tunnel.pk_parser}
407 , {.b_nextparser = &vlan.pk_parser}
408 , {.b_nextparser = &agr.pk_parser}
409 , {.b_nextparser = &kw80211.pk_parser}
410 , {.b_nextparser = &address.pa_parser}
411 , {.b_nextparser = &dstormask.pa_parser}
412 , {.b_nextparser = &broadcast.pa_parser}
413 , {.b_nextparser = NULL}
414 }, opt_command_brs[] = {
415 {.b_nextparser = &no_cmds.pt_parser}
416 , {.b_nextparser = &command_root.pb_parser}
417 };
418
419 struct branch opt_family_only_brs[] = {
420 {.b_nextparser = &no_cmds.pt_parser}
421 , {.b_nextparser = &family_only.pk_parser}
422 };
423 struct pbranch opt_family_only = PBRANCH_INITIALIZER(&opt_family_only,
424 "opt-family-only", opt_family_only_brs,
425 __arraycount(opt_family_only_brs), true);
426 struct pbranch opt_command = PBRANCH_INITIALIZER(&opt_command,
427 "optional command",
428 opt_command_brs, __arraycount(opt_command_brs), true);
429
430 struct pbranch command_root = PBRANCH_INITIALIZER(&command_root,
431 "command-root", command_root_brs, __arraycount(command_root_brs), true);
432
433 struct piface iface_opt_family_only =
434 PIFACE_INITIALIZER(&iface_opt_family_only, "iface-opt-family-only",
435 NULL, "if", &opt_family_only.pb_parser);
436
437 struct pkw family = PKW_INITIALIZER(&family, "family", NULL, "af",
438 familykw, __arraycount(familykw), &opt_command.pb_parser);
439
440 struct pkw silent_family = PKW_INITIALIZER(&silent_family, "silent family",
441 NULL, "af", familykw, __arraycount(familykw), &command_root.pb_parser);
442
443 #ifdef INET6
444 struct kwinst ia6flagskw[] = {
445 IFKW("anycast", IN6_IFF_ANYCAST)
446 , IFKW("tentative", IN6_IFF_TENTATIVE)
447 , IFKW("deprecated", IN6_IFF_DEPRECATED)
448 };
449
450 struct pinteger pltime = PINTEGER_INITIALIZER(&pltime, "pltime", 0,
451 setia6pltime, "pltime", &command_root.pb_parser);
452
453 struct pinteger vltime = PINTEGER_INITIALIZER(&vltime, "vltime", 0,
454 setia6vltime, "vltime", &command_root.pb_parser);
455
456 struct kwinst ia6lifetimekw[] = {
457 {.k_word = "pltime", .k_nextparser = &pltime.pi_parser}
458 , {.k_word = "vltime", .k_nextparser = &vltime.pi_parser}
459 };
460
461 struct pkw ia6flags = PKW_INITIALIZER(&ia6flags, "ia6flags", setia6flags,
462 "ia6flag", ia6flagskw, __arraycount(ia6flagskw), &command_root.pb_parser);
463 struct pkw ia6lifetime = PKW_INITIALIZER(&ia6lifetime, "ia6lifetime", NULL,
464 NULL, ia6lifetimekw, __arraycount(ia6lifetimekw), NULL);
465 #endif /*INET6*/
466
467 struct pkw ifcaps = PKW_INITIALIZER(&ifcaps, "ifcaps", setifcaps,
468 "ifcap", ifcapskw, __arraycount(ifcapskw), &command_root.pb_parser);
469
470 struct pkw ifflags = PKW_INITIALIZER(&ifflags, "ifflags", setifflags,
471 "ifflag", ifflagskw, __arraycount(ifflagskw), &command_root.pb_parser);
472
473 struct pkw cloning = PKW_INITIALIZER(&cloning, "cloning", clone_command,
474 "clonecmd", clonekw, __arraycount(clonekw), NULL);
475
476 struct pkw misc = PKW_INITIALIZER(&misc, "misc", NULL, NULL,
477 misckw, __arraycount(misckw), NULL);
478
479 struct pbranch opt_clone = PBRANCH_INITIALIZER(&opt_clone,
480 "opt-clone", opt_clone_brs, __arraycount(opt_clone_brs), true);
481
482 struct pbranch opt_silent_family = PBRANCH_INITIALIZER(&opt_silent_family,
483 "optional silent family", opt_silent_family_brs,
484 __arraycount(opt_silent_family_brs), true);
485
486 struct pbranch opt_family = PBRANCH_INITIALIZER(&opt_family,
487 "opt-family", opt_family_brs, __arraycount(opt_family_brs), true);
488
489 struct piface iface_start = PIFACE_INITIALIZER(&iface_start,
490 "iface-opt-family", NULL, "if", &opt_clone.pb_parser);
491
492 struct piface iface_only = PIFACE_INITIALIZER(&iface_only, "iface",
493 media_status_exec, "if", NULL);
494
495 static struct parser *
496 init_parser(void)
497 {
498 if (parser_init(&iface_opt_family_only.pif_parser) == -1)
499 err(EXIT_FAILURE, "parser_init(iface_opt_family_only)");
500 if (parser_init(&iface_only.pif_parser) == -1)
501 err(EXIT_FAILURE, "parser_init(iface_only)");
502 if (parser_init(&iface_start.pif_parser) == -1)
503 err(EXIT_FAILURE, "parser_init(iface_start)");
504
505 return &iface_start.pif_parser;
506 }
507
508 static int
509 no_cmds_exec(prop_dictionary_t env, prop_dictionary_t xenv)
510 {
511 const char *ifname;
512 unsigned short ignore;
513
514 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */
515 if ((ifname = getifname(env)) == NULL)
516 ;
517 else if (getifflags(env, xenv, &ignore) == -1)
518 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname);
519
520 printall(ifname, env);
521 exit(EXIT_SUCCESS);
522 }
523
524 static int
525 media_status_exec(prop_dictionary_t env, prop_dictionary_t xenv)
526 {
527 const char *ifname;
528 unsigned short ignore;
529
530 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */
531 if ((ifname = getifname(env)) == NULL)
532 ;
533 else if (getifflags(env, xenv, &ignore) == -1)
534 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname);
535
536 exit(carrier(env));
537 }
538
539 static void
540 do_setifcaps(int s, const char *ifname, prop_dictionary_t env)
541 {
542 struct ifcapreq ifcr;
543 prop_data_t d;
544
545 d = (prop_data_t )prop_dictionary_get(env, "ifcaps");
546 if (d == NULL)
547 return;
548
549 assert(sizeof(ifcr) == prop_data_size(d));
550
551 memcpy(&ifcr, prop_data_data_nocopy(d), sizeof(ifcr));
552 estrlcpy(ifcr.ifcr_name, ifname, sizeof(ifcr.ifcr_name));
553 if (ioctl(s, SIOCSIFCAP, &ifcr) == -1)
554 err(EXIT_FAILURE, "SIOCSIFCAP");
555 }
556
557 int
558 main(int argc, char **argv)
559 {
560 const struct afswtch *afp;
561 int af, aflag = 0, Cflag = 0, s;
562 struct match match[32];
563 size_t nmatch;
564 struct parser *start;
565 int ch, narg = 0, rc;
566 prop_dictionary_t env, xenv;
567 const char *ifname;
568
569 memset(match, 0, sizeof(match));
570
571 start = init_parser();
572
573 /* Parse command-line options */
574 aflag = mflag = vflag = zflag = 0;
575 while ((ch = getopt(argc, argv, "AabCdhlmsuvz"
576 #ifdef INET6
577 "L"
578 #endif
579 )) != -1) {
580 switch (ch) {
581 case 'A':
582 warnx("-A is deprecated");
583 break;
584
585 case 'a':
586 aflag = 1;
587 break;
588
589 case 'b':
590 bflag = 1;
591 break;
592
593 case 'C':
594 Cflag = 1;
595 break;
596
597 case 'd':
598 dflag = 1;
599 break;
600 case 'h':
601 hflag = 1;
602 break;
603 #ifdef INET6
604 case 'L':
605 Lflag = 1;
606 break;
607 #endif
608
609 case 'l':
610 lflag = 1;
611 break;
612
613 case 'm':
614 mflag = 1;
615 break;
616
617 case 's':
618 sflag = 1;
619 break;
620
621 case 'u':
622 uflag = 1;
623 break;
624
625 case 'v':
626 vflag = 1;
627 break;
628
629 case 'z':
630 zflag = 1;
631 break;
632
633
634 default:
635 usage();
636 /* NOTREACHED */
637 }
638 switch (ch) {
639 case 'a':
640 start = &opt_family_only.pb_parser;
641 break;
642
643 #ifdef INET6
644 case 'L':
645 #endif
646 case 'm':
647 case 'v':
648 case 'z':
649 if (start != &opt_family_only.pb_parser)
650 start = &iface_opt_family_only.pif_parser;
651 break;
652 case 'C':
653 start = &cloneterm.pt_parser;
654 break;
655 case 'l':
656 start = &no_cmds.pt_parser;
657 break;
658 case 's':
659 if (start != &no_cmds.pt_parser &&
660 start != &opt_family_only.pb_parser)
661 start = &iface_only.pif_parser;
662 break;
663 default:
664 break;
665 }
666 }
667 argc -= optind;
668 argv += optind;
669
670 /*
671 * -l means "list all interfaces", and is mutally exclusive with
672 * all other flags/commands.
673 *
674 * -C means "list all names of cloners", and it mutually exclusive
675 * with all other flags/commands.
676 *
677 * -a means "print status of all interfaces".
678 */
679 if ((lflag || Cflag) && (aflag || mflag || vflag || zflag))
680 usage();
681 #ifdef INET6
682 if ((lflag || Cflag) && Lflag)
683 usage();
684 #endif
685 if (lflag && Cflag)
686 usage();
687
688 nmatch = __arraycount(match);
689
690 rc = parse(argc, argv, start, match, &nmatch, &narg);
691 if (rc != 0)
692 usage();
693
694 if ((xenv = prop_dictionary_create()) == NULL)
695 err(EXIT_FAILURE, "%s: prop_dictionary_create", __func__);
696
697 if (matches_exec(match, xenv, nmatch) == -1)
698 err(EXIT_FAILURE, "exec_matches");
699
700 argc -= narg;
701 argv += narg;
702
703 env = (nmatch > 0) ? match[(int)nmatch - 1].m_env : NULL;
704 if (env == NULL)
705 env = xenv;
706 else
707 env = prop_dictionary_augment(env, xenv);
708
709 /* Process any media commands that may have been issued. */
710 process_media_commands(env);
711
712 af = getaf(env);
713 switch (af) {
714 #ifndef INET_ONLY
715 case AF_APPLETALK:
716 checkatrange(&at_addreq.ifra_addr);
717 break;
718 #endif /* INET_ONLY */
719 default:
720 break;
721 case -1:
722 af = AF_INET;
723 break;
724 }
725
726 if ((s = getsock(af)) == -1)
727 err(EXIT_FAILURE, "%s: getsock", __func__);
728
729 if ((ifname = getifname(env)) == NULL)
730 err(EXIT_FAILURE, "%s: getifname", __func__);
731
732 if ((afp = lookup_af_bynum(af)) == NULL)
733 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__);
734
735 if (afp->af_addr_commit != NULL) {
736 (*afp->af_addr_commit)(env, xenv);
737 } else {
738 if (clearaddr) {
739 estrlcpy(afp->af_ridreq, ifname, IFNAMSIZ);
740 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1)
741 err(EXIT_FAILURE, "SIOCDIFADDR");
742 }
743 if (newaddr > 0) {
744 estrlcpy(afp->af_addreq, ifname, IFNAMSIZ);
745 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1)
746 warn("SIOCAIFADDR");
747 else if (check_up_state < 0)
748 check_up_state = 1;
749 }
750 }
751
752 do_setifpreference(env);
753 do_setifcaps(s, ifname, env);
754
755 if (check_up_state == 1)
756 check_ifflags_up(ifname);
757
758 exit(EXIT_SUCCESS);
759 }
760
761 const struct afswtch *
762 lookup_af_bynum(int afnum)
763 {
764 const struct afswtch *a;
765
766 for (a = afs; a->af_name != NULL; a++)
767 if (a->af_af == afnum)
768 return (a);
769 return (NULL);
770 }
771
772 void
773 printall(const char *ifname, prop_dictionary_t env0)
774 {
775 struct ifaddrs *ifap, *ifa;
776 struct ifreq ifr;
777 const struct sockaddr_dl *sdl = NULL;
778 prop_dictionary_t env, oenv;
779 int idx;
780 char *p;
781
782 if (env0 == NULL)
783 env = prop_dictionary_create();
784 else
785 env = prop_dictionary_copy_mutable(env0);
786
787 oenv = prop_dictionary_create();
788
789 if (env == NULL || oenv == NULL)
790 errx(EXIT_FAILURE, "%s: prop_dictionary_copy/create", __func__);
791
792 if (getifaddrs(&ifap) != 0)
793 err(EXIT_FAILURE, "getifaddrs");
794 p = NULL;
795 idx = 0;
796 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
797 memset(&ifr, 0, sizeof(ifr));
798 estrlcpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name));
799 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) {
800 memcpy(&ifr.ifr_addr, ifa->ifa_addr,
801 ifa->ifa_addr->sa_len);
802 }
803
804 if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0)
805 continue;
806 if (ifa->ifa_addr->sa_family == AF_LINK)
807 sdl = (const struct sockaddr_dl *) ifa->ifa_addr;
808 if (p && strcmp(p, ifa->ifa_name) == 0)
809 continue;
810 if (!prop_dictionary_set_cstring(env, "if", ifa->ifa_name))
811 continue;
812 p = ifa->ifa_name;
813
814 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0)
815 continue;
816 if (dflag && (ifa->ifa_flags & IFF_UP) != 0)
817 continue;
818 if (uflag && (ifa->ifa_flags & IFF_UP) == 0)
819 continue;
820
821 if (sflag && carrier(env))
822 continue;
823 idx++;
824 /*
825 * Are we just listing the interfaces?
826 */
827 if (lflag) {
828 if (idx > 1)
829 printf(" ");
830 fputs(ifa->ifa_name, stdout);
831 continue;
832 }
833
834 status(sdl, env, oenv);
835 sdl = NULL;
836 }
837 if (lflag)
838 printf("\n");
839 prop_object_release((prop_object_t)env);
840 prop_object_release((prop_object_t)oenv);
841 freeifaddrs(ifap);
842 }
843
844 int
845 list_cloners(prop_dictionary_t env, prop_dictionary_t oenv)
846 {
847 struct if_clonereq ifcr;
848 char *cp, *buf;
849 int idx, s;
850
851 memset(&ifcr, 0, sizeof(ifcr));
852
853 s = getsock(AF_INET);
854
855 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
856 err(EXIT_FAILURE, "SIOCIFGCLONERS for count");
857
858 buf = malloc(ifcr.ifcr_total * IFNAMSIZ);
859 if (buf == NULL)
860 err(EXIT_FAILURE, "unable to allocate cloner name buffer");
861
862 ifcr.ifcr_count = ifcr.ifcr_total;
863 ifcr.ifcr_buffer = buf;
864
865 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
866 err(EXIT_FAILURE, "SIOCIFGCLONERS for names");
867
868 /*
869 * In case some disappeared in the mean time, clamp it down.
870 */
871 if (ifcr.ifcr_count > ifcr.ifcr_total)
872 ifcr.ifcr_count = ifcr.ifcr_total;
873
874 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) {
875 if (idx > 0)
876 printf(" ");
877 printf("%s", cp);
878 }
879
880 printf("\n");
881 free(buf);
882 exit(EXIT_SUCCESS);
883 }
884
885 static int
886 clone_command(prop_dictionary_t env, prop_dictionary_t xenv)
887 {
888 struct ifreq ifreq;
889 int s;
890 int64_t cmd;
891 const char *ifname;
892
893 if (!prop_dictionary_get_int64(env, "clonecmd", &cmd)) {
894 errno = ENOENT;
895 return -1;
896 }
897
898 if ((ifname = getifname(env)) == NULL)
899 return -1;
900
901 /* We're called early... */
902 s = getsock(AF_INET);
903
904 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name));
905 if (ioctl(s, (unsigned long)cmd, &ifreq) == -1) {
906 warn("%s", __func__);
907 return -1;
908 }
909 return 0;
910 }
911
912 /*ARGSUSED*/
913 int
914 setifaddr(prop_dictionary_t env, prop_dictionary_t xenv)
915 {
916 struct ifreq *ifr; /* XXX */
917 const struct paddr_prefix *pfx0;
918 struct paddr_prefix *pfx;
919 prop_data_t d;
920 const char *ifname;
921 int af, s;
922 const struct afswtch *afp;
923
924 if ((af = getaf(env)) == -1)
925 af = AF_INET;
926
927 if ((afp = lookup_af_bynum(af)) == NULL)
928 return -1;
929
930 d = (prop_data_t)prop_dictionary_get(env, "address");
931 assert(d != NULL);
932 pfx0 = prop_data_data_nocopy(d);
933
934 if (pfx0->pfx_len >= 0) {
935 pfx = prefixlen_to_mask(af, pfx0->pfx_len);
936 if (pfx == NULL)
937 err(EXIT_FAILURE, "prefixlen_to_mask");
938
939 if (afp->af_getaddr != NULL)
940 (*afp->af_getaddr)(pfx, MASK);
941 free(pfx);
942 }
943
944 if (afp->af_addr_commit != NULL)
945 return 0;
946
947 if ((ifname = getifname(env)) == NULL)
948 return -1;
949
950 /*
951 * Delay the ioctl to set the interface addr until flags are all set.
952 * The address interpretation may depend on the flags,
953 * and the flags may change when the address is set.
954 */
955 setaddr++;
956 if (newaddr == -1)
957 newaddr = 1;
958 if (doalias == 0 && afp->af_gifaddr != 0) {
959 ifr = (struct ifreq *)afp->af_ridreq;
960 estrlcpy(ifr->ifr_name, ifname, sizeof(ifr->ifr_name));
961 ifr->ifr_addr.sa_family = af;
962
963 if ((s = getsock(af)) == -1)
964 err(EXIT_FAILURE, "getsock");
965
966 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0)
967 clearaddr = 1;
968 else if (errno == EADDRNOTAVAIL)
969 /* No address was assigned yet. */
970 ;
971 else
972 err(EXIT_FAILURE, "SIOCGIFADDR");
973 }
974
975 #if 0
976 int i;
977 for (i = 0; i < pfx0->pfx_addr.sa_len; i++)
978 printf(" %02x", ((const uint8_t *)&pfx->pfx_addr)[i]);
979 printf("\n");
980 #endif
981 if (afp->af_getaddr != NULL)
982 (*afp->af_getaddr)(pfx0, (doalias >= 0 ? ADDR : RIDADDR));
983 return 0;
984 }
985
986 int
987 setifnetmask(prop_dictionary_t env, prop_dictionary_t xenv)
988 {
989 const struct paddr_prefix *pfx;
990 prop_data_t d;
991 int af;
992 const struct afswtch *afp;
993
994 if ((af = getaf(env)) == -1)
995 af = AF_INET;
996
997 if ((afp = lookup_af_bynum(af)) == NULL)
998 return -1;
999
1000 d = (prop_data_t)prop_dictionary_get(env, "dstormask");
1001 assert(d != NULL);
1002 pfx = prop_data_data_nocopy(d);
1003
1004 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d))
1005 return -1;
1006
1007 if (afp->af_getaddr != NULL)
1008 (*afp->af_getaddr)(pfx, MASK);
1009 return 0;
1010 }
1011
1012 int
1013 setifbroadaddr(prop_dictionary_t env, prop_dictionary_t xenv)
1014 {
1015 const struct paddr_prefix *pfx;
1016 prop_data_t d;
1017 int af;
1018 const struct afswtch *afp;
1019 unsigned short flags;
1020
1021 if ((af = getaf(env)) == -1)
1022 af = AF_INET;
1023
1024 if ((afp = lookup_af_bynum(af)) == NULL)
1025 return -1;
1026
1027 if (getifflags(env, xenv, &flags) == -1)
1028 err(EXIT_FAILURE, "%s: getifflags", __func__);
1029
1030 if ((flags & IFF_BROADCAST) == 0)
1031 errx(EXIT_FAILURE, "not a broadcast interface");
1032
1033 d = (prop_data_t)prop_dictionary_get(env, "broadcast");
1034 assert(d != NULL);
1035 pfx = prop_data_data_nocopy(d);
1036
1037 if (!prop_dictionary_set(xenv, "broadcast", (prop_object_t)d))
1038 return -1;
1039
1040 if (afp->af_getaddr != NULL)
1041 (*afp->af_getaddr)(pfx, DSTADDR);
1042
1043 return 0;
1044 }
1045
1046 #define rqtosa(__afp, __x) (&(((struct ifreq *)(__afp->__x))->ifr_addr))
1047
1048 int
1049 notealias(prop_dictionary_t env, prop_dictionary_t xenv)
1050 {
1051 bool alias, delete;
1052 int af;
1053 const struct afswtch *afp;
1054
1055 if ((af = getaf(env)) == -1)
1056 af = AF_INET;
1057
1058 if ((afp = lookup_af_bynum(af)) == NULL)
1059 return -1;
1060
1061 if (afp->af_addr_commit != NULL)
1062 return 0;
1063
1064 if (!prop_dictionary_get_bool(env, "alias", &alias)) {
1065 errno = ENOENT;
1066 return -1;
1067 }
1068 delete = !alias;
1069 if (setaddr && doalias == 0 && delete)
1070 memcpy(rqtosa(afp, af_ridreq), rqtosa(afp, af_addreq),
1071 rqtosa(afp, af_addreq)->sa_len);
1072 doalias = delete ? -1 : 1;
1073 if (delete) {
1074 clearaddr = 1;
1075 newaddr = 0;
1076 } else {
1077 clearaddr = 0;
1078 }
1079 return 0;
1080 }
1081
1082 /*ARGSUSED*/
1083 int
1084 notrailers(prop_dictionary_t env, prop_dictionary_t xenv)
1085 {
1086 puts("Note: trailers are no longer sent, but always received");
1087 return 0;
1088 }
1089
1090 /*ARGSUSED*/
1091 int
1092 setifdstormask(prop_dictionary_t env, prop_dictionary_t xenv)
1093 {
1094 const char *key;
1095 const struct paddr_prefix *pfx;
1096 prop_data_t d;
1097 int af, which;
1098 const struct afswtch *afp;
1099 unsigned short flags;
1100
1101 if ((af = getaf(env)) == -1)
1102 af = AF_INET;
1103
1104 if ((afp = lookup_af_bynum(af)) == NULL)
1105 return -1;
1106
1107 if (getifflags(env, xenv, &flags) == -1)
1108 err(EXIT_FAILURE, "%s: getifflags", __func__);
1109
1110 d = (prop_data_t)prop_dictionary_get(env, "dstormask");
1111 assert(d != NULL);
1112 pfx = prop_data_data_nocopy(d);
1113
1114 if ((flags & IFF_BROADCAST) == 0) {
1115 key = "dst";
1116 which = DSTADDR;
1117 } else {
1118 key = "netmask";
1119 which = MASK;
1120 }
1121
1122 if (!prop_dictionary_set(xenv, key, (prop_object_t)d))
1123 return -1;
1124
1125 if (afp->af_getaddr != NULL)
1126 (*afp->af_getaddr)(pfx, which);
1127 return 0;
1128 }
1129
1130 void
1131 check_ifflags_up(const char *ifname)
1132 {
1133 struct ifreq ifreq;
1134 int s;
1135
1136 s = getsock(AF_UNSPEC);
1137
1138 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name));
1139 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1)
1140 err(EXIT_FAILURE, "SIOCGIFFLAGS");
1141 if (ifreq.ifr_flags & IFF_UP)
1142 return;
1143 ifreq.ifr_flags |= IFF_UP;
1144 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1)
1145 err(EXIT_FAILURE, "SIOCSIFFLAGS");
1146 }
1147
1148 int
1149 setifflags(prop_dictionary_t env, prop_dictionary_t xenv)
1150 {
1151 struct ifreq ifreq;
1152 int64_t ifflag;
1153 int s;
1154 bool rc;
1155 const char *ifname;
1156
1157 s = getsock(AF_INET);
1158
1159 rc = prop_dictionary_get_int64(env, "ifflag", &ifflag);
1160 assert(rc);
1161 if ((ifname = getifname(env)) == NULL)
1162 return -1;
1163
1164 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name));
1165 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1)
1166 return -1;
1167
1168 if (ifflag < 0) {
1169 ifflag = -ifflag;
1170 if (ifflag == IFF_UP)
1171 check_up_state = 0;
1172 ifreq.ifr_flags &= ~ifflag;
1173 } else
1174 ifreq.ifr_flags |= ifflag;
1175
1176 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1)
1177 return -1;
1178
1179 return 0;
1180 }
1181
1182 static int
1183 getifcaps(prop_dictionary_t env, prop_dictionary_t oenv, struct ifcapreq *oifcr)
1184 {
1185 const char *ifname;
1186 bool rc;
1187 int s;
1188 struct ifcapreq ifcr;
1189 const struct ifcapreq *tmpifcr;
1190 prop_data_t capdata;
1191
1192 if ((s = getsock(AF_UNSPEC)) == -1)
1193 return -1;
1194
1195 if ((ifname = getifname(env)) == NULL)
1196 return -1;
1197
1198 capdata = (prop_data_t)prop_dictionary_get(env, "ifcaps");
1199
1200 if (capdata != NULL) {
1201 tmpifcr = prop_data_data_nocopy(capdata);
1202 *oifcr = *tmpifcr;
1203 return 0;
1204 }
1205
1206 estrlcpy(ifcr.ifcr_name, ifname, sizeof(ifcr.ifcr_name));
1207 (void)ioctl(s, SIOCGIFCAP, &ifcr);
1208 *oifcr = ifcr;
1209
1210 capdata = prop_data_create_data(&ifcr, sizeof(ifcr));
1211
1212 rc = prop_dictionary_set(oenv, "ifcaps", capdata);
1213
1214 prop_object_release((prop_object_t)capdata);
1215
1216 return rc ? 0 : -1;
1217 }
1218
1219 static int
1220 setifcaps(prop_dictionary_t env, prop_dictionary_t oenv)
1221 {
1222 int64_t ifcap;
1223 int s;
1224 bool rc;
1225 prop_data_t capdata;
1226 const char *ifname;
1227 struct ifcapreq ifcr;
1228
1229 s = getsock(AF_INET);
1230
1231 rc = prop_dictionary_get_int64(env, "ifcap", &ifcap);
1232 assert(rc);
1233
1234 if ((ifname = getifname(env)) == NULL)
1235 return -1;
1236
1237 if (getifcaps(env, oenv, &ifcr) == -1)
1238 return -1;
1239
1240 if (ifcap < 0) {
1241 ifcap = -ifcap;
1242 ifcr.ifcr_capenable &= ~ifcap;
1243 } else
1244 ifcr.ifcr_capenable |= ifcap;
1245
1246 if ((capdata = prop_data_create_data(&ifcr, sizeof(ifcr))) == NULL)
1247 return -1;
1248
1249 rc = prop_dictionary_set(oenv, "ifcaps", capdata);
1250 prop_object_release((prop_object_t)capdata);
1251
1252 return rc ? 0 : -1;
1253 }
1254
1255 static int
1256 setifmetric(prop_dictionary_t env, prop_dictionary_t xenv)
1257 {
1258 struct ifreq ifr;
1259 bool rc;
1260 const char *ifname;
1261 int s;
1262 int64_t metric;
1263
1264 if ((s = getsock(AF_UNSPEC)) == -1)
1265 return -1;
1266
1267 if ((ifname = getifname(env)) == NULL)
1268 return -1;
1269
1270 rc = prop_dictionary_get_int64(env, "metric", &metric);
1271 assert(rc);
1272
1273 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1274 ifr.ifr_metric = metric;
1275 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1)
1276 warn("SIOCSIFMETRIC");
1277 return 0;
1278 }
1279
1280 static void
1281 do_setifpreference(prop_dictionary_t env)
1282 {
1283 struct if_addrprefreq ifap;
1284 int af, s;
1285 const char *ifname;
1286 const struct afswtch *afp;
1287 prop_data_t d;
1288 const struct paddr_prefix *pfx;
1289
1290 if ((af = getaf(env)) == -1)
1291 af = AF_INET;
1292
1293 if ((afp = lookup_af_bynum(af)) == NULL)
1294 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__);
1295
1296 memset(&ifap, 0, sizeof(ifap));
1297
1298 if (!prop_dictionary_get_int16(env, "preference",
1299 &ifap.ifap_preference))
1300 return;
1301
1302 d = (prop_data_t)prop_dictionary_get(env, "address");
1303 assert(d != NULL);
1304
1305 pfx = prop_data_data_nocopy(d);
1306
1307 s = getsock(AF_UNSPEC);
1308
1309 if ((ifname = getifname(env)) == NULL)
1310 err(EXIT_FAILURE, "%s: getifname", __func__);
1311
1312 strlcpy(ifap.ifap_name, ifname, sizeof(ifap.ifap_name));
1313 memcpy(&ifap.ifap_addr, &pfx->pfx_addr,
1314 MIN(sizeof(ifap.ifap_addr), pfx->pfx_addr.sa_len));
1315 if (ioctl(s, SIOCSIFADDRPREF, &ifap) == -1)
1316 warn("SIOCSIFADDRPREF");
1317 }
1318
1319 static int
1320 setifmtu(prop_dictionary_t env, prop_dictionary_t xenv)
1321 {
1322 int64_t mtu;
1323 bool rc;
1324 const char *ifname;
1325 struct ifreq ifr;
1326 int s;
1327
1328 if ((s = getsock(AF_UNSPEC)) == -1)
1329 return -1;
1330
1331 if ((ifname = getifname(env)) == NULL)
1332 return -1;
1333
1334 rc = prop_dictionary_get_int64(env, "mtu", &mtu);
1335 assert(rc);
1336
1337 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1338 ifr.ifr_mtu = mtu;
1339 if (ioctl(s, SIOCSIFMTU, &ifr) == -1)
1340 warn("SIOCSIFMTU");
1341
1342 return 0;
1343 }
1344
1345 static void
1346 media_error(int type, const char *val, const char *opt)
1347 {
1348 errx(EXIT_FAILURE, "unknown %s media %s: %s",
1349 get_media_type_string(type), opt, val);
1350 }
1351
1352 void
1353 init_current_media(prop_dictionary_t env, prop_dictionary_t oenv)
1354 {
1355 struct ifmediareq ifmr;
1356 int s;
1357 const char *ifname;
1358
1359 if ((s = getsock(AF_UNSPEC)) == -1)
1360 err(EXIT_FAILURE, "%s: getsock", __func__);
1361
1362 if ((ifname = getifname(env)) == NULL)
1363 err(EXIT_FAILURE, "%s: getifname", __func__);
1364
1365 /*
1366 * If we have not yet done so, grab the currently-selected
1367 * media.
1368 */
1369
1370 if (prop_dictionary_get(env, "initmedia") == NULL) {
1371 memset(&ifmr, 0, sizeof(ifmr));
1372 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
1373
1374 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) {
1375 /*
1376 * If we get E2BIG, the kernel is telling us
1377 * that there are more, so we can ignore it.
1378 */
1379 if (errno != E2BIG)
1380 err(EXIT_FAILURE, "SIOCGIFMEDIA");
1381 }
1382
1383 if (!prop_dictionary_set_bool(oenv, "initmedia", true)) {
1384 err(EXIT_FAILURE, "%s: prop_dictionary_set_bool",
1385 __func__);
1386 }
1387 media_current = ifmr.ifm_current;
1388 }
1389
1390 /* Sanity. */
1391 if (IFM_TYPE(media_current) == 0)
1392 errx(EXIT_FAILURE, "%s: no link type?", ifname);
1393 }
1394
1395 void
1396 process_media_commands(prop_dictionary_t env)
1397 {
1398 struct ifreq ifr;
1399 const char *ifname;
1400 int s;
1401
1402 if ((s = getsock(AF_UNSPEC)) == -1)
1403 err(EXIT_FAILURE, "%s: getsock", __func__);
1404
1405 if (prop_dictionary_get(env, "media") == NULL &&
1406 prop_dictionary_get(env, "mediaopt") == NULL &&
1407 prop_dictionary_get(env, "unmediaopt") == NULL &&
1408 prop_dictionary_get(env, "mediamode") == NULL) {
1409 /* Nothing to do. */
1410 return;
1411 }
1412
1413 if ((ifname = getifname(env)) == NULL)
1414 err(EXIT_FAILURE, "%s: getifname", __func__);
1415
1416 /*
1417 * Media already set up, and commands sanity-checked. Set/clear
1418 * any options, and we're ready to go.
1419 */
1420 media_current |= mediaopt_set;
1421 media_current &= ~mediaopt_clear;
1422
1423 memset(&ifr, 0, sizeof(ifr));
1424 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1425 ifr.ifr_media = media_current;
1426
1427 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1)
1428 err(EXIT_FAILURE, "SIOCSIFMEDIA");
1429 }
1430
1431 int
1432 setmedia(prop_dictionary_t env, prop_dictionary_t xenv)
1433 {
1434 int type, subtype, inst;
1435 prop_data_t data;
1436 char *val;
1437
1438 init_current_media(env, xenv);
1439
1440 data = (prop_data_t)prop_dictionary_get(env, "media");
1441 assert(data != NULL);
1442
1443 /* Only one media command may be given. */
1444 /* Must not come after mode commands */
1445 /* Must not come after mediaopt commands */
1446
1447 /*
1448 * No need to check if `instance' has been issued; setmediainst()
1449 * craps out if `media' has not been specified.
1450 */
1451
1452 type = IFM_TYPE(media_current);
1453 inst = IFM_INST(media_current);
1454
1455 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1456 if (val == NULL)
1457 return -1;
1458
1459 /* Look up the subtype. */
1460 subtype = get_media_subtype(type, val);
1461 if (subtype == -1)
1462 media_error(type, val, "subtype");
1463
1464 /* Build the new current media word. */
1465 media_current = IFM_MAKEWORD(type, subtype, 0, inst);
1466
1467 /* Media will be set after other processing is complete. */
1468 return 0;
1469 }
1470
1471 int
1472 setmediaopt(prop_dictionary_t env, prop_dictionary_t xenv)
1473 {
1474 char *invalid;
1475 prop_data_t data;
1476 char *val;
1477
1478 init_current_media(env, xenv);
1479
1480 data = (prop_data_t)prop_dictionary_get(env, "mediaopt");
1481 assert(data != NULL);
1482
1483 /* Can only issue `mediaopt' once. */
1484 /* Can't issue `mediaopt' if `instance' has already been issued. */
1485
1486 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1487 if (val == NULL)
1488 return -1;
1489
1490 mediaopt_set = get_media_options(media_current, val, &invalid);
1491 free(val);
1492 if (mediaopt_set == -1)
1493 media_error(media_current, invalid, "option");
1494
1495 /* Media will be set after other processing is complete. */
1496 return 0;
1497 }
1498
1499 int
1500 unsetmediaopt(prop_dictionary_t env, prop_dictionary_t xenv)
1501 {
1502 char *invalid, *val;
1503 prop_data_t data;
1504
1505 init_current_media(env, xenv);
1506
1507 data = (prop_data_t)prop_dictionary_get(env, "unmediaopt");
1508 if (data == NULL) {
1509 errno = ENOENT;
1510 return -1;
1511 }
1512
1513 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1514 if (val == NULL)
1515 return -1;
1516
1517 /*
1518 * No need to check for A_MEDIAINST, since the test for A_MEDIA
1519 * implicitly checks for A_MEDIAINST.
1520 */
1521
1522 mediaopt_clear = get_media_options(media_current, val, &invalid);
1523 free(val);
1524 if (mediaopt_clear == -1)
1525 media_error(media_current, invalid, "option");
1526
1527 /* Media will be set after other processing is complete. */
1528 return 0;
1529 }
1530
1531 int
1532 setmediainst(prop_dictionary_t env, prop_dictionary_t xenv)
1533 {
1534 int type, subtype, options;
1535 int64_t inst;
1536 bool rc;
1537
1538 init_current_media(env, xenv);
1539
1540 rc = prop_dictionary_get_int64(env, "mediainst", &inst);
1541 assert(rc);
1542
1543 /* Can only issue `instance' once. */
1544 /* Must have already specified `media' */
1545
1546 type = IFM_TYPE(media_current);
1547 subtype = IFM_SUBTYPE(media_current);
1548 options = IFM_OPTIONS(media_current);
1549
1550 media_current = IFM_MAKEWORD(type, subtype, options, inst);
1551
1552 /* Media will be set after other processing is complete. */
1553 return 0;
1554 }
1555
1556 int
1557 setmediamode(prop_dictionary_t env, prop_dictionary_t xenv)
1558 {
1559 int type, subtype, options, inst, mode;
1560 prop_data_t data;
1561 char *val;
1562
1563 init_current_media(env, xenv);
1564
1565 data = (prop_data_t)prop_dictionary_get(env, "mediamode");
1566 assert(data != NULL);
1567
1568 type = IFM_TYPE(media_current);
1569 subtype = IFM_SUBTYPE(media_current);
1570 options = IFM_OPTIONS(media_current);
1571 inst = IFM_INST(media_current);
1572
1573 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1574 if (val == NULL)
1575 return -1;
1576
1577 mode = get_media_mode(type, val);
1578 if (mode == -1)
1579 media_error(type, val, "mode");
1580
1581 free(val);
1582
1583 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode;
1584
1585 /* Media will be set after other processing is complete. */
1586 return 0;
1587 }
1588
1589 void
1590 print_media_word(int ifmw, const char *opt_sep)
1591 {
1592 const char *str;
1593
1594 printf("%s", get_media_subtype_string(ifmw));
1595
1596 /* Find mode. */
1597 if (IFM_MODE(ifmw) != 0) {
1598 str = get_media_mode_string(ifmw);
1599 if (str != NULL)
1600 printf(" mode %s", str);
1601 }
1602
1603 /* Find options. */
1604 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",")
1605 printf("%s%s", opt_sep, str);
1606
1607 if (IFM_INST(ifmw) != 0)
1608 printf(" instance %d", IFM_INST(ifmw));
1609 }
1610
1611 int
1612 carrier(prop_dictionary_t env)
1613 {
1614 struct ifmediareq ifmr;
1615 int s;
1616 const char *ifname;
1617
1618 if ((s = getsock(AF_UNSPEC)) == -1)
1619 err(EXIT_FAILURE, "%s: getsock", __func__);
1620
1621 if ((ifname = getifname(env)) == NULL)
1622 err(EXIT_FAILURE, "%s: getifname", __func__);
1623
1624 (void) memset(&ifmr, 0, sizeof(ifmr));
1625 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
1626
1627 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) {
1628 /*
1629 * Interface doesn't support SIOC{G,S}IFMEDIA;
1630 * assume ok.
1631 */
1632 return EXIT_SUCCESS;
1633 }
1634 if ((ifmr.ifm_status & IFM_AVALID) == 0) {
1635 /*
1636 * Interface doesn't report media-valid status.
1637 * assume ok.
1638 */
1639 return EXIT_SUCCESS;
1640 }
1641 /* otherwise, return ok for active, not-ok if not active. */
1642 if (ifmr.ifm_status & IFM_ACTIVE)
1643 return EXIT_SUCCESS;
1644 else
1645 return EXIT_FAILURE;
1646 }
1647
1648 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST;
1649
1650 const struct ifmedia_status_description ifm_status_descriptions[] =
1651 IFM_STATUS_DESCRIPTIONS;
1652
1653 /*
1654 * Print the status of the interface. If an address family was
1655 * specified, show it and it only; otherwise, show them all.
1656 */
1657 void
1658 status(const struct sockaddr_dl *sdl, prop_dictionary_t env,
1659 prop_dictionary_t oenv)
1660 {
1661 struct ifmediareq ifmr;
1662 struct ifdatareq ifdr;
1663 struct ifreq ifr;
1664 int *media_list, i;
1665 char hbuf[NI_MAXHOST];
1666 char fbuf[BUFSIZ];
1667 int af, s;
1668 const char *ifname;
1669 struct ifcapreq ifcr;
1670 unsigned short flags;
1671 const struct afswtch *afp;
1672
1673 if ((af = getaf(env)) == -1) {
1674 afp = NULL;
1675 af = AF_UNSPEC;
1676 } else
1677 afp = lookup_af_bynum(af);
1678
1679 if ((s = getsock(af)) == -1)
1680 err(EXIT_FAILURE, "%s: getsock", __func__);
1681
1682 if ((ifname = getifinfo(env, oenv, &flags)) == NULL)
1683 err(EXIT_FAILURE, "%s: getifinfo", __func__);
1684
1685 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags);
1686 printf("%s: flags=%s", ifname, &fbuf[2]);
1687
1688 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1689 if (ioctl(s, SIOCGIFMETRIC, &ifr) == -1)
1690 warn("SIOCGIFMETRIC %s", ifr.ifr_name);
1691 else if (ifr.ifr_metric != 0)
1692 printf(" metric %d", ifr.ifr_metric);
1693
1694 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1695 if (ioctl(s, SIOCGIFMTU, &ifr) != -1 && ifr.ifr_mtu != 0)
1696 printf(" mtu %d", ifr.ifr_mtu);
1697 printf("\n");
1698
1699 if (getifcaps(env, oenv, &ifcr) == -1)
1700 err(EXIT_FAILURE, "%s: getifcaps", __func__);
1701
1702 if (ifcr.ifcr_capabilities != 0) {
1703 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS,
1704 ifcr.ifcr_capabilities);
1705 printf("\tcapabilities=%s\n", &fbuf[2]);
1706 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS,
1707 ifcr.ifcr_capenable);
1708 printf("\tenabled=%s\n", &fbuf[2]);
1709 }
1710
1711 ieee80211_status(env, oenv);
1712 vlan_status(env, oenv);
1713 #ifndef INET_ONLY
1714 carp_status(env, oenv);
1715 #endif
1716 tunnel_status(env, oenv);
1717 agr_status(env, oenv);
1718
1719 if (sdl != NULL &&
1720 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len,
1721 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 &&
1722 hbuf[0] != '\0')
1723 printf("\taddress: %s\n", hbuf);
1724
1725 (void) memset(&ifmr, 0, sizeof(ifmr));
1726 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
1727
1728 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) {
1729 /*
1730 * Interface doesn't support SIOC{G,S}IFMEDIA.
1731 */
1732 goto iface_stats;
1733 }
1734
1735 if (ifmr.ifm_count == 0) {
1736 warnx("%s: no media types?", ifname);
1737 goto iface_stats;
1738 }
1739
1740 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));
1741 if (media_list == NULL)
1742 err(EXIT_FAILURE, "malloc");
1743 ifmr.ifm_ulist = media_list;
1744
1745 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1)
1746 err(EXIT_FAILURE, "SIOCGIFMEDIA");
1747
1748 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current));
1749 print_media_word(ifmr.ifm_current, " ");
1750 if (ifmr.ifm_active != ifmr.ifm_current) {
1751 printf(" (");
1752 print_media_word(ifmr.ifm_active, " ");
1753 printf(")");
1754 }
1755 printf("\n");
1756
1757 if (ifmr.ifm_status & IFM_STATUS_VALID) {
1758 const struct ifmedia_status_description *ifms;
1759 int bitno, found = 0;
1760
1761 printf("\tstatus: ");
1762 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) {
1763 for (ifms = ifm_status_descriptions;
1764 ifms->ifms_valid != 0; ifms++) {
1765 if (ifms->ifms_type !=
1766 IFM_TYPE(ifmr.ifm_current) ||
1767 ifms->ifms_valid !=
1768 ifm_status_valid_list[bitno])
1769 continue;
1770 printf("%s%s", found ? ", " : "",
1771 IFM_STATUS_DESC(ifms, ifmr.ifm_status));
1772 found = 1;
1773
1774 /*
1775 * For each valid indicator bit, there's
1776 * only one entry for each media type, so
1777 * terminate the inner loop now.
1778 */
1779 break;
1780 }
1781 }
1782
1783 if (found == 0)
1784 printf("unknown");
1785 printf("\n");
1786 }
1787
1788 if (mflag) {
1789 int type, printed_type;
1790
1791 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) {
1792 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) {
1793 if (IFM_TYPE(media_list[i]) != type)
1794 continue;
1795 if (printed_type == 0) {
1796 printf("\tsupported %s media:\n",
1797 get_media_type_string(type));
1798 printed_type = 1;
1799 }
1800 printf("\t\tmedia ");
1801 print_media_word(media_list[i], " mediaopt ");
1802 printf("\n");
1803 }
1804 }
1805 }
1806
1807 free(media_list);
1808
1809 iface_stats:
1810 if (!vflag && !zflag)
1811 goto proto_status;
1812
1813 estrlcpy(ifdr.ifdr_name, ifname, sizeof(ifdr.ifdr_name));
1814
1815 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) {
1816 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA");
1817 } else {
1818 struct if_data * const ifi = &ifdr.ifdr_data;
1819 char buf[5];
1820
1821 #define PLURAL(n) ((n) == 1 ? "" : "s")
1822 #define PLURALSTR(s) ((atof(s)) == 1.0 ? "" : "s")
1823 printf("\tinput: %llu packet%s, ",
1824 (unsigned long long) ifi->ifi_ipackets,
1825 PLURAL(ifi->ifi_ipackets));
1826 if (hflag) {
1827 (void) humanize_number(buf, sizeof(buf),
1828 (int64_t) ifi->ifi_ibytes, "", HN_AUTOSCALE,
1829 HN_NOSPACE | HN_DECIMAL);
1830 printf("%s byte%s", buf,
1831 PLURALSTR(buf));
1832 } else
1833 printf("%llu byte%s",
1834 (unsigned long long) ifi->ifi_ibytes,
1835 PLURAL(ifi->ifi_ibytes));
1836 if (ifi->ifi_imcasts)
1837 printf(", %llu multicast%s",
1838 (unsigned long long) ifi->ifi_imcasts,
1839 PLURAL(ifi->ifi_imcasts));
1840 if (ifi->ifi_ierrors)
1841 printf(", %llu error%s",
1842 (unsigned long long) ifi->ifi_ierrors,
1843 PLURAL(ifi->ifi_ierrors));
1844 if (ifi->ifi_iqdrops)
1845 printf(", %llu queue drop%s",
1846 (unsigned long long) ifi->ifi_iqdrops,
1847 PLURAL(ifi->ifi_iqdrops));
1848 if (ifi->ifi_noproto)
1849 printf(", %llu unknown protocol",
1850 (unsigned long long) ifi->ifi_noproto);
1851 printf("\n\toutput: %llu packet%s, ",
1852 (unsigned long long) ifi->ifi_opackets,
1853 PLURAL(ifi->ifi_opackets));
1854 if (hflag) {
1855 (void) humanize_number(buf, sizeof(buf),
1856 (int64_t) ifi->ifi_obytes, "", HN_AUTOSCALE,
1857 HN_NOSPACE | HN_DECIMAL);
1858 printf("%s byte%s", buf,
1859 PLURALSTR(buf));
1860 } else
1861 printf("%llu byte%s",
1862 (unsigned long long) ifi->ifi_obytes,
1863 PLURAL(ifi->ifi_obytes));
1864 if (ifi->ifi_omcasts)
1865 printf(", %llu multicast%s",
1866 (unsigned long long) ifi->ifi_omcasts,
1867 PLURAL(ifi->ifi_omcasts));
1868 if (ifi->ifi_oerrors)
1869 printf(", %llu error%s",
1870 (unsigned long long) ifi->ifi_oerrors,
1871 PLURAL(ifi->ifi_oerrors));
1872 if (ifi->ifi_collisions)
1873 printf(", %llu collision%s",
1874 (unsigned long long) ifi->ifi_collisions,
1875 PLURAL(ifi->ifi_collisions));
1876 printf("\n");
1877 #undef PLURAL
1878 #undef PLURALSTR
1879 }
1880
1881 ieee80211_statistics(env);
1882
1883 proto_status:
1884
1885 if (afp != NULL)
1886 (*afp->af_status)(env, oenv, true);
1887 else for (afp = afs; afp->af_name != NULL; afp++)
1888 (*afp->af_status)(env, oenv, false);
1889 }
1890
1891 int
1892 setifprefixlen(prop_dictionary_t env, prop_dictionary_t xenv)
1893 {
1894 const char *ifname;
1895 bool rc;
1896 int64_t plen;
1897 int af;
1898 const struct afswtch *afp;
1899 unsigned short flags;
1900 struct paddr_prefix *pfx;
1901 prop_data_t d;
1902
1903 if ((af = getaf(env)) == -1)
1904 af = AF_INET;
1905
1906 if ((afp = lookup_af_bynum(af)) == NULL)
1907 return -1;
1908
1909 if ((ifname = getifinfo(env, xenv, &flags)) == NULL)
1910 err(EXIT_FAILURE, "getifinfo");
1911
1912 rc = prop_dictionary_get_int64(env, "prefixlen", &plen);
1913 assert(rc);
1914
1915 pfx = prefixlen_to_mask(af, plen);
1916 if (pfx == NULL)
1917 err(EXIT_FAILURE, "prefixlen_to_mask");
1918
1919 d = prop_data_create_data(pfx,
1920 offsetof(struct paddr_prefix, pfx_addr) + pfx->pfx_addr.sa_len);
1921 if (d == NULL)
1922 err(EXIT_FAILURE, "%s: prop_data_create_data", __func__);
1923
1924 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d))
1925 err(EXIT_FAILURE, "%s: prop_dictionary_set", __func__);
1926
1927 if (afp->af_getaddr != NULL)
1928 (*afp->af_getaddr)(pfx, MASK);
1929
1930 free(pfx);
1931 return 0;
1932 }
1933
1934 void
1935 usage(void)
1936 {
1937 const char *progname = getprogname();
1938
1939 fprintf(stderr,
1940 "usage: %s [-h] [-m] [-v] [-z] "
1941 #ifdef INET6
1942 "[-L] "
1943 #endif
1944 "interface\n"
1945 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n"
1946 "\t\t[ alias | -alias ] ]\n"
1947 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n"
1948 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n"
1949 "\t[ list scan ]\n"
1950 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n"
1951 "\t[ hidessid | -hidessid ] [ apbridge | -apbridge ]\n"
1952 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n"
1953 "\t[ arp | -arp ]\n"
1954 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] "
1955 "[ instance minst ]\n"
1956 "\t[ preference n ]\n"
1957 "\t[ vlan n vlanif i ]\n"
1958 "\t[ agrport i ] [ -agrport i ]\n"
1959 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n"
1960 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n"
1961 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n"
1962 " %s -a [-b] [-h] [-m] [-d] [-u] [-v] [-z] [ af ]\n"
1963 " %s -l [-b] [-d] [-u] [-s]\n"
1964 " %s -C\n"
1965 " %s interface create\n"
1966 " %s interface destroy\n",
1967 progname, progname, progname, progname, progname, progname);
1968 exit(EXIT_FAILURE);
1969 }
1970