ifconfig.c revision 1.193 1 /* $NetBSD: ifconfig.c,v 1.193 2008/05/06 21:58:05 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 1.193 2008/05/06 21:58:05 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 #include <net/agr/if_agrioctl.h>
87
88 #include <net80211/ieee80211_ioctl.h>
89
90 #include <netdb.h>
91
92 #include <sys/protosw.h>
93
94 #include <assert.h>
95 #include <ctype.h>
96 #include <err.h>
97 #include <errno.h>
98 #include <stdbool.h>
99 #include <stddef.h>
100 #include <stdio.h>
101 #include <stdlib.h>
102 #include <string.h>
103 #include <unistd.h>
104 #include <ifaddrs.h>
105 #include <util.h>
106
107 #include "extern.h"
108
109 #ifndef INET_ONLY
110 #include "af_atalk.h"
111 #include "af_iso.h"
112 #endif /* ! INET_ONLY */
113 #include "af_inet.h"
114 #ifdef INET6
115 #include "af_inet6.h"
116 #endif /* INET6 */
117
118 #include "agr.h"
119 #include "carp.h"
120 #include "ieee80211.h"
121 #include "tunnel.h"
122 #include "vlan.h"
123 #include "parse.h"
124 #include "env.h"
125
126 int setaddr, doalias;
127 int clearaddr;
128 int newaddr = -1;
129 int check_up_state = -1;
130 int bflag, dflag, hflag, lflag, mflag, sflag, uflag, vflag, zflag;
131 #ifdef INET6
132 int Lflag;
133 #endif
134
135 /*
136 * Media stuff. Whenever a media command is first performed, the
137 * currently select media is grabbed for this interface. If `media'
138 * is given, the current media word is modifed. `mediaopt' commands
139 * only modify the set and clear words. They then operate on the
140 * current media word later.
141 */
142 int media_current;
143 int mediaopt_set;
144 int mediaopt_clear;
145
146 void check_ifflags_up(const char *);
147
148 int notealias(prop_dictionary_t, prop_dictionary_t);
149 int notrailers(prop_dictionary_t, prop_dictionary_t);
150 int setifaddr(prop_dictionary_t, prop_dictionary_t);
151 int setifdstormask(prop_dictionary_t, prop_dictionary_t);
152 int setifflags(prop_dictionary_t, prop_dictionary_t);
153 static int setifcaps(prop_dictionary_t, prop_dictionary_t);
154 int setifbroadaddr(prop_dictionary_t, prop_dictionary_t);
155 static int setifmetric(prop_dictionary_t, prop_dictionary_t);
156 static int setifmtu(prop_dictionary_t, prop_dictionary_t);
157 int setifnetmask(prop_dictionary_t, prop_dictionary_t);
158 int setifprefixlen(prop_dictionary_t, prop_dictionary_t);
159 int setmedia(prop_dictionary_t, prop_dictionary_t);
160 int setmediamode(prop_dictionary_t, prop_dictionary_t);
161 int setmediaopt(prop_dictionary_t, prop_dictionary_t);
162 int unsetmediaopt(prop_dictionary_t, prop_dictionary_t);
163 int setmediainst(prop_dictionary_t, prop_dictionary_t);
164 static int clone_command(prop_dictionary_t, prop_dictionary_t);
165 static void do_setifpreference(prop_dictionary_t);
166
167 static int no_cmds_exec(prop_dictionary_t, prop_dictionary_t);
168 static int media_status_exec(prop_dictionary_t, prop_dictionary_t);
169
170 int carrier(prop_dictionary_t);
171 void printall(const char *, prop_dictionary_t);
172 int list_cloners(prop_dictionary_t, prop_dictionary_t);
173 void status(const struct sockaddr_dl *, prop_dictionary_t,
174 prop_dictionary_t);
175 void usage(void);
176
177 void print_media_word(int, const char *);
178 void process_media_commands(prop_dictionary_t);
179 void init_current_media(prop_dictionary_t, prop_dictionary_t);
180
181 /* Known address families */
182 static const struct afswtch afs[] = {
183 {.af_name = "inet", .af_af = AF_INET, .af_status = in_status,
184 .af_addr_commit = commit_address}
185
186 #ifdef INET6
187 , {.af_name = "inet6", .af_af = AF_INET6, .af_status = in6_status,
188 .af_getaddr = in6_getaddr, .af_getprefix = in6_getprefix,
189 .af_difaddr = SIOCDIFADDR_IN6, .af_aifaddr = SIOCAIFADDR_IN6,
190 /* Deleting the first address before setting new one is
191 * not prefered way in this protocol.
192 */
193 .af_gifaddr = 0, .af_ridreq = &in6_ridreq, .af_addreq = &in6_addreq}
194 #endif
195
196 #ifndef INET_ONLY /* small version, for boot media */
197 , {.af_name = "atalk", .af_af = AF_APPLETALK, .af_status = at_status,
198 .af_getaddr = at_getaddr, NULL, .af_difaddr = SIOCDIFADDR,
199 .af_aifaddr = SIOCAIFADDR, .af_gifaddr = SIOCGIFADDR,
200 .af_ridreq = &at_addreq, .af_addreq = &at_addreq}
201 , {.af_name = "iso", .af_af = AF_ISO, .af_status = iso_status,
202 .af_getaddr = iso_getaddr, NULL, .af_difaddr = SIOCDIFADDR_ISO,
203 .af_aifaddr = SIOCAIFADDR_ISO, .af_gifaddr = SIOCGIFADDR_ISO,
204 .af_ridreq = &iso_ridreq, .af_addreq = &iso_addreq}
205 #endif /* INET_ONLY */
206
207 , {.af_name = NULL} /* sentinel */
208 };
209
210 #define IFKW(__word, __flag) \
211 { \
212 .k_word = (__word), .k_neg = true, .k_type = KW_T_NUM, \
213 .k_num = (__flag), \
214 .k_negnum = -(__flag) \
215 }
216
217 struct kwinst ifflagskw[] = {
218 IFKW("arp", IFF_NOARP)
219 , IFKW("debug", IFF_DEBUG)
220 , IFKW("link0", IFF_LINK0)
221 , IFKW("link1", IFF_LINK1)
222 , IFKW("link2", IFF_LINK2)
223 , {.k_word = "down", .k_type = KW_T_NUM, .k_num = -IFF_UP}
224 , {.k_word = "up", .k_type = KW_T_NUM, .k_num = IFF_UP}
225 };
226
227 struct kwinst ifcapskw[] = {
228 IFKW("ip4csum-tx", IFCAP_CSUM_IPv4_Tx)
229 , IFKW("ip4csum-rx", IFCAP_CSUM_IPv4_Rx)
230 , IFKW("tcp4csum-tx", IFCAP_CSUM_TCPv4_Tx)
231 , IFKW("tcp4csum-rx", IFCAP_CSUM_TCPv4_Rx)
232 , IFKW("udp4csum-tx", IFCAP_CSUM_UDPv4_Tx)
233 , IFKW("udp4csum-rx", IFCAP_CSUM_UDPv4_Rx)
234 , IFKW("tcp6csum-tx", IFCAP_CSUM_TCPv6_Tx)
235 , IFKW("tcp6csum-rx", IFCAP_CSUM_TCPv6_Rx)
236 , IFKW("udp6csum-tx", IFCAP_CSUM_UDPv6_Tx)
237 , IFKW("udp6csum-rx", IFCAP_CSUM_UDPv6_Rx)
238 , IFKW("ip4csum", IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx)
239 , IFKW("tcp4csum", IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx)
240 , IFKW("udp4csum", IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx)
241 , IFKW("tcp6csum", IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx)
242 , IFKW("udp6csum", IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx)
243 , IFKW("tso4", IFCAP_TSOv4)
244 , IFKW("tso6", IFCAP_TSOv6)
245 };
246
247 extern struct pbranch command_root;
248 extern struct pbranch opt_command;
249 extern struct pbranch opt_family, opt_silent_family;
250 extern struct pkw cloning, silent_family, family, ia6flags, ia6lifetime,
251 ieee80211bool, ifcaps, ifflags, lists, misc;
252
253 struct pinteger parse_metric = PINTEGER_INITIALIZER(&parse_metric, "metric", 10,
254 setifmetric, "metric", &command_root.pb_parser);
255
256 struct pinteger parse_mtu = PINTEGER_INITIALIZER(&parse_mtu, "mtu", 10,
257 setifmtu, "mtu", &command_root.pb_parser);
258
259 struct pinteger parse_prefixlen = PINTEGER_INITIALIZER(&parse_prefixlen,
260 "prefixlen", 10, setifprefixlen, "prefixlen", &command_root.pb_parser);
261
262 struct pinteger parse_preference = PINTEGER_INITIALIZER1(&parse_preference,
263 "preference", INT16_MIN, INT16_MAX, 10, NULL, "preference",
264 &command_root.pb_parser);
265
266 struct paddr parse_netmask = PADDR_INITIALIZER(&parse_netmask, "netmask",
267 setifnetmask, "dstormask", NULL, NULL, NULL, &command_root.pb_parser);
268
269 struct paddr parse_broadcast = PADDR_INITIALIZER(&parse_broadcast,
270 "broadcast address",
271 setifbroadaddr, "broadcast", NULL, NULL, NULL, &command_root.pb_parser);
272
273 struct pstr mediamode = PSTR_INITIALIZER(&mediamode, "mediamode",
274 setmediamode, "mediamode", &command_root.pb_parser);
275
276 struct pinteger mediainst = PINTEGER_INITIALIZER1(&mediainst, "mediainst",
277 0, IFM_INST_MAX, 10, setmediainst, "mediainst", &command_root.pb_parser);
278
279 struct pstr unmediaopt = PSTR_INITIALIZER(&unmediaopt, "-mediaopt",
280 unsetmediaopt, "unmediaopt", &command_root.pb_parser);
281
282 struct pstr mediaopt = PSTR_INITIALIZER(&mediaopt, "mediaopt",
283 setmediaopt, "mediaopt", &command_root.pb_parser);
284
285 struct pstr media = PSTR_INITIALIZER(&media, "media",
286 setmedia, "media", &command_root.pb_parser);
287
288 struct kwinst misckw[] = {
289 {.k_word = "agrport", .k_type = KW_T_NUM, .k_neg = true,
290 .k_num = AGRCMD_ADDPORT, .k_negnum = AGRCMD_REMPORT,
291 .k_exec = agrsetport}
292 , {.k_word = "alias", .k_key = "alias", .k_deact = "alias",
293 .k_type = KW_T_BOOL, .k_neg = true,
294 .k_bool = true, .k_negbool = false,
295 .k_exec = notealias, .k_nextparser = &command_root.pb_parser}
296 , {.k_word = "bssid", .k_nextparser = &parse_bssid.ps_parser}
297 , {.k_word = "-bssid", .k_exec = unsetifbssid,
298 .k_nextparser = &command_root.pb_parser}
299 , {.k_word = "broadcast", .k_nextparser = &parse_broadcast.pa_parser}
300 , {.k_word = "chan", .k_nextparser = &parse_chan.pi_parser}
301 , {.k_word = "-chan", .k_key = "chan", .k_type = KW_T_NUM,
302 .k_num = IEEE80211_CHAN_ANY, .k_exec = setifchan,
303 .k_nextparser = &command_root.pb_parser}
304 , {.k_word = "delete", .k_key = "alias", .k_deact = "alias",
305 .k_type = KW_T_BOOL, .k_bool = false, .k_exec = notealias,
306 .k_nextparser = &command_root.pb_parser}
307 , {.k_word = "deletetunnel", .k_exec = deletetunnel,
308 .k_nextparser = &command_root.pb_parser}
309 , {.k_word = "frag", .k_nextparser = &parse_frag.pi_parser}
310 , {.k_word = "-frag", .k_key = "frag", .k_type = KW_T_NUM,
311 .k_num = IEEE80211_FRAG_MAX, .k_exec = setiffrag,
312 .k_nextparser = &command_root.pb_parser}
313 , {.k_word = "instance", .k_key = "anymedia", .k_type = KW_T_BOOL,
314 .k_bool = true, .k_act = "media", .k_deact = "mediainst",
315 .k_nextparser = &mediainst.pi_parser}
316 , {.k_word = "inst", .k_key = "anymedia", .k_type = KW_T_BOOL,
317 .k_bool = true, .k_act = "media", .k_deact = "mediainst",
318 .k_nextparser = &mediainst.pi_parser}
319 , {.k_word = "list", .k_nextparser = &lists.pk_parser}
320 , {.k_word = "media", .k_key = "anymedia", .k_type = KW_T_BOOL,
321 .k_bool = true, .k_deact = "media", .k_altdeact = "anymedia",
322 .k_nextparser = &media.ps_parser}
323 , {.k_word = "mediaopt", .k_key = "anymedia", .k_type = KW_T_BOOL,
324 .k_bool = true, .k_deact = "mediaopt", .k_altdeact = "instance",
325 .k_nextparser = &mediaopt.ps_parser}
326 , {.k_word = "-mediaopt", .k_key = "anymedia", .k_type = KW_T_BOOL,
327 .k_bool = true, .k_deact = "unmediaopt", .k_altdeact = "media",
328 .k_nextparser = &unmediaopt.ps_parser}
329 , {.k_word = "mode", .k_key = "anymedia", .k_type = KW_T_BOOL,
330 .k_bool = true, .k_deact = "mode",
331 .k_nextparser = &mediamode.ps_parser}
332 , {.k_word = "metric", .k_nextparser = &parse_metric.pi_parser}
333 , {.k_word = "mtu", .k_nextparser = &parse_mtu.pi_parser}
334 , {.k_word = "netmask", .k_nextparser = &parse_netmask.pa_parser}
335 , {.k_word = "nwid", .k_nextparser = &parse_ssid.ps_parser}
336 , {.k_word = "nwkey", .k_nextparser = &parse_nwkey.ps_parser}
337 , {.k_word = "-nwkey", .k_exec = unsetifnwkey,
338 .k_nextparser = &command_root.pb_parser}
339 , {.k_word = "preference", .k_act = "address",
340 .k_nextparser = &parse_preference.pi_parser}
341 , {.k_word = "prefixlen", .k_nextparser = &parse_prefixlen.pi_parser}
342 , {.k_word = "ssid", .k_nextparser = &parse_ssid.ps_parser}
343 , {.k_word = "powersavesleep",
344 .k_nextparser = &parse_powersavesleep.pi_parser}
345 , {.k_word = "trailers", .k_neg = true,
346 .k_exec = notrailers, .k_nextparser = &command_root.pb_parser}
347 , {.k_word = "tunnel", .k_nextparser = &tunsrc.pa_parser}
348 , {.k_word = "vlan", .k_nextparser = &vlan.pi_parser}
349 , {.k_word = "vlanif", .k_act = "vlan",
350 .k_nextparser = &vlanif.pif_parser}
351 , {.k_word = "-vlanif", .k_key = "vlanif", .k_type = KW_T_STR,
352 .k_str = "", .k_exec = setvlanif}
353 #ifndef INET_ONLY
354 , {.k_word = "phase", .k_nextparser = &phase.pi_parser}
355 , {.k_word = "range", .k_nextparser = &parse_range.ps_parser}
356 , {.k_word = "nsellength", .k_nextparser = &parse_nsellength.pi_parser}
357 , {.k_word = "snpaoffset", .k_nextparser = &parse_snpaoffset.pi_parser}
358 /* CARP */
359 , {.k_word = "advbase", .k_nextparser = &parse_advbase.pi_parser}
360 , {.k_word = "advskew", .k_nextparser = &parse_advskew.pi_parser}
361 , {.k_word = "carpdev", .k_nextparser = &carpdev.pif_parser}
362 , {.k_word = "-carpdev", .k_key = "carpdev", .k_type = KW_T_STR,
363 .k_str = "", .k_exec = setcarpdev,
364 .k_nextparser = &command_root.pb_parser}
365 , {.k_word = "pass", .k_nextparser = &pass.ps_parser}
366 , {.k_word = "state", .k_nextparser = &carpstate.pk_parser}
367 , {.k_word = "vhid", .k_nextparser = &parse_vhid.pi_parser}
368 #endif
369 #ifdef INET6
370 , {.k_word = "eui64", .k_exec = setia6eui64,
371 .k_nextparser = &command_root.pb_parser}
372 #endif /*INET6*/
373 };
374
375 /* key: clonecmd */
376 struct kwinst clonekw[] = {
377 {.k_word = "create", .k_type = KW_T_NUM, .k_num = SIOCIFCREATE,
378 .k_nextparser = &opt_silent_family.pb_parser},
379 {.k_word = "destroy", .k_type = KW_T_NUM, .k_num = SIOCIFDESTROY}
380 };
381
382 struct kwinst familykw[] = {
383 {.k_word = "inet", .k_type = KW_T_NUM, .k_num = AF_INET,
384 .k_nextparser = NULL}
385 #ifdef INET6
386 , {.k_word = "inet6", .k_type = KW_T_NUM, .k_num = AF_INET6,
387 .k_nextparser = NULL}
388 #endif
389 #ifndef INET_ONLY /* small version, for boot media */
390 , {.k_word = "atalk", .k_type = KW_T_NUM, .k_num = AF_APPLETALK,
391 .k_nextparser = NULL}
392 , {.k_word = "iso", .k_type = KW_T_NUM, .k_num = AF_ISO,
393 .k_nextparser = NULL}
394 #endif /* INET_ONLY */
395 };
396
397 struct pterm cloneterm = PTERM_INITIALIZER(&cloneterm, "list cloners",
398 list_cloners, "none");
399
400 struct pterm no_cmds = PTERM_INITIALIZER(&no_cmds, "no commands", no_cmds_exec,
401 "none");
402
403 struct pkw family_only =
404 PKW_INITIALIZER(&family_only, "family-only", NULL, "af", familykw,
405 __arraycount(familykw), &no_cmds.pt_parser);
406
407 struct paddr address = PADDR_INITIALIZER(&address,
408 "local address (address 1)",
409 setifaddr, "address", "netmask", NULL, "address", &command_root.pb_parser);
410
411 struct paddr dstormask = PADDR_INITIALIZER(&dstormask,
412 "destination/netmask (address 2)",
413 setifdstormask, "dstormask", NULL, "address", "dstormask",
414 &command_root.pb_parser);
415
416 struct paddr broadcast = PADDR_INITIALIZER(&broadcast,
417 "broadcast address (address 3)",
418 setifbroadaddr, "broadcast", NULL, "dstormask", "broadcast",
419 &command_root.pb_parser);
420
421 struct branch opt_clone_brs[] = {
422 {.b_nextparser = &cloning.pk_parser}
423 , {.b_nextparser = &opt_family.pb_parser}
424 }, opt_silent_family_brs[] = {
425 {.b_nextparser = &silent_family.pk_parser}
426 , {.b_nextparser = &command_root.pb_parser}
427 }, opt_family_brs[] = {
428 {.b_nextparser = &family.pk_parser}
429 , {.b_nextparser = &opt_command.pb_parser}
430 }, command_root_brs[] = {
431 {.b_nextparser = &ieee80211bool.pk_parser}
432 , {.b_nextparser = &ifflags.pk_parser}
433 , {.b_nextparser = &ifcaps.pk_parser}
434 #ifdef INET6
435 , {.b_nextparser = &ia6flags.pk_parser}
436 , {.b_nextparser = &ia6lifetime.pk_parser}
437 #endif /*INET6*/
438 , {.b_nextparser = &misc.pk_parser}
439 , {.b_nextparser = &address.pa_parser}
440 , {.b_nextparser = &dstormask.pa_parser}
441 , {.b_nextparser = &broadcast.pa_parser}
442 , {.b_nextparser = NULL}
443 }, opt_command_brs[] = {
444 {.b_nextparser = &no_cmds.pt_parser}
445 , {.b_nextparser = &command_root.pb_parser}
446 };
447
448 struct branch opt_family_only_brs[] = {
449 {.b_nextparser = &no_cmds.pt_parser}
450 , {.b_nextparser = &family_only.pk_parser}
451 };
452 struct pbranch opt_family_only = PBRANCH_INITIALIZER(&opt_family_only,
453 "opt-family-only", opt_family_only_brs,
454 __arraycount(opt_family_only_brs), true);
455 struct pbranch opt_command = PBRANCH_INITIALIZER(&opt_command,
456 "optional command",
457 opt_command_brs, __arraycount(opt_command_brs), true);
458
459 struct pbranch command_root = PBRANCH_INITIALIZER(&command_root,
460 "command-root", command_root_brs, __arraycount(command_root_brs), true);
461
462 struct piface iface_opt_family_only =
463 PIFACE_INITIALIZER(&iface_opt_family_only, "iface-opt-family-only",
464 NULL, "if", &opt_family_only.pb_parser);
465
466 struct pkw family = PKW_INITIALIZER(&family, "family", NULL, "af",
467 familykw, __arraycount(familykw), &opt_command.pb_parser);
468
469 struct pkw silent_family = PKW_INITIALIZER(&silent_family, "silent family",
470 NULL, "af", familykw, __arraycount(familykw), &command_root.pb_parser);
471
472 #ifdef INET6
473 struct kwinst ia6flagskw[] = {
474 IFKW("anycast", IN6_IFF_ANYCAST)
475 , IFKW("tentative", IN6_IFF_TENTATIVE)
476 , IFKW("deprecated", IN6_IFF_DEPRECATED)
477 };
478
479 struct pinteger pltime = PINTEGER_INITIALIZER(&pltime, "pltime", 0,
480 setia6pltime, "pltime", &command_root.pb_parser);
481
482 struct pinteger vltime = PINTEGER_INITIALIZER(&vltime, "vltime", 0,
483 setia6vltime, "vltime", &command_root.pb_parser);
484
485 struct kwinst ia6lifetimekw[] = {
486 {.k_word = "pltime", .k_nextparser = &pltime.pi_parser}
487 , {.k_word = "vltime", .k_nextparser = &vltime.pi_parser}
488 };
489
490 struct pkw ia6flags = PKW_INITIALIZER(&ia6flags, "ia6flags", setia6flags,
491 "ia6flag", ia6flagskw, __arraycount(ia6flagskw), &command_root.pb_parser);
492 struct pkw ia6lifetime = PKW_INITIALIZER(&ia6lifetime, "ia6lifetime", NULL,
493 NULL, ia6lifetimekw, __arraycount(ia6lifetimekw), NULL);
494 #endif /*INET6*/
495
496 struct pkw ifcaps = PKW_INITIALIZER(&ifcaps, "ifcaps", setifcaps,
497 "ifcap", ifcapskw, __arraycount(ifcapskw), &command_root.pb_parser);
498
499 struct pkw ifflags = PKW_INITIALIZER(&ifflags, "ifflags", setifflags,
500 "ifflag", ifflagskw, __arraycount(ifflagskw), &command_root.pb_parser);
501
502 struct pkw cloning = PKW_INITIALIZER(&cloning, "cloning", clone_command,
503 "clonecmd", clonekw, __arraycount(clonekw), NULL);
504
505 struct pkw misc = PKW_INITIALIZER(&misc, "misc", NULL, NULL,
506 misckw, __arraycount(misckw), NULL);
507
508 struct pbranch opt_clone = PBRANCH_INITIALIZER(&opt_clone,
509 "opt-clone", opt_clone_brs, __arraycount(opt_clone_brs), true);
510
511 struct pbranch opt_silent_family = PBRANCH_INITIALIZER(&opt_silent_family,
512 "optional silent family", opt_silent_family_brs,
513 __arraycount(opt_silent_family_brs), true);
514
515 struct pbranch opt_family = PBRANCH_INITIALIZER(&opt_family,
516 "opt-family", opt_family_brs, __arraycount(opt_family_brs), true);
517
518 struct piface iface_start = PIFACE_INITIALIZER(&iface_start,
519 "iface-opt-family", NULL, "if", &opt_clone.pb_parser);
520
521 struct piface iface_only = PIFACE_INITIALIZER(&iface_only, "iface",
522 media_status_exec, "if", NULL);
523
524 static struct parser *
525 init_parser(void)
526 {
527 if (parser_init(&iface_opt_family_only.pif_parser) == -1)
528 err(EXIT_FAILURE, "parser_init(iface_opt_family_only)");
529 if (parser_init(&iface_only.pif_parser) == -1)
530 err(EXIT_FAILURE, "parser_init(iface_only)");
531 if (parser_init(&iface_start.pif_parser) == -1)
532 err(EXIT_FAILURE, "parser_init(iface_start)");
533
534 return &iface_start.pif_parser;
535 }
536
537 static int
538 no_cmds_exec(prop_dictionary_t env, prop_dictionary_t xenv)
539 {
540 const char *ifname;
541 unsigned short ignore;
542
543 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */
544 if ((ifname = getifname(env)) == NULL)
545 ;
546 else if (getifflags(env, xenv, &ignore) == -1)
547 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname);
548
549 printall(ifname, env);
550 exit(EXIT_SUCCESS);
551 }
552
553 static int
554 media_status_exec(prop_dictionary_t env, prop_dictionary_t xenv)
555 {
556 const char *ifname;
557 unsigned short ignore;
558
559 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */
560 if ((ifname = getifname(env)) == NULL)
561 ;
562 else if (getifflags(env, xenv, &ignore) == -1)
563 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname);
564
565 exit(carrier(env));
566 }
567
568 static void
569 do_setifcaps(int s, const char *ifname, prop_dictionary_t env)
570 {
571 struct ifcapreq ifcr;
572 prop_data_t d;
573
574 d = (prop_data_t )prop_dictionary_get(env, "ifcaps");
575 if (d == NULL)
576 return;
577
578 assert(sizeof(ifcr) == prop_data_size(d));
579
580 memcpy(&ifcr, prop_data_data_nocopy(d), sizeof(ifcr));
581 estrlcpy(ifcr.ifcr_name, ifname, sizeof(ifcr.ifcr_name));
582 if (ioctl(s, SIOCSIFCAP, &ifcr) == -1)
583 err(EXIT_FAILURE, "SIOCSIFCAP");
584 }
585
586 int
587 main(int argc, char **argv)
588 {
589 const struct afswtch *afp;
590 int af, aflag = 0, Cflag = 0, s;
591 struct match match[32];
592 size_t nmatch;
593 struct parser *start;
594 int ch, narg = 0, rc;
595 prop_dictionary_t env, xenv;
596 const char *ifname;
597
598 memset(match, 0, sizeof(match));
599
600 start = init_parser();
601
602 /* Parse command-line options */
603 aflag = mflag = vflag = zflag = 0;
604 while ((ch = getopt(argc, argv, "AabCdhlmsuvz"
605 #ifdef INET6
606 "L"
607 #endif
608 )) != -1) {
609 switch (ch) {
610 case 'A':
611 warnx("-A is deprecated");
612 break;
613
614 case 'a':
615 aflag = 1;
616 break;
617
618 case 'b':
619 bflag = 1;
620 break;
621
622 case 'C':
623 Cflag = 1;
624 break;
625
626 case 'd':
627 dflag = 1;
628 break;
629 case 'h':
630 hflag = 1;
631 break;
632 #ifdef INET6
633 case 'L':
634 Lflag = 1;
635 break;
636 #endif
637
638 case 'l':
639 lflag = 1;
640 break;
641
642 case 'm':
643 mflag = 1;
644 break;
645
646 case 's':
647 sflag = 1;
648 break;
649
650 case 'u':
651 uflag = 1;
652 break;
653
654 case 'v':
655 vflag = 1;
656 break;
657
658 case 'z':
659 zflag = 1;
660 break;
661
662
663 default:
664 usage();
665 /* NOTREACHED */
666 }
667 switch (ch) {
668 case 'a':
669 start = &opt_family_only.pb_parser;
670 break;
671
672 #ifdef INET6
673 case 'L':
674 #endif
675 case 'm':
676 case 'v':
677 case 'z':
678 if (start != &opt_family_only.pb_parser)
679 start = &iface_opt_family_only.pif_parser;
680 break;
681 case 'C':
682 start = &cloneterm.pt_parser;
683 break;
684 case 'l':
685 start = &no_cmds.pt_parser;
686 break;
687 case 's':
688 if (start != &no_cmds.pt_parser &&
689 start != &opt_family_only.pb_parser)
690 start = &iface_only.pif_parser;
691 break;
692 default:
693 break;
694 }
695 }
696 argc -= optind;
697 argv += optind;
698
699 /*
700 * -l means "list all interfaces", and is mutally exclusive with
701 * all other flags/commands.
702 *
703 * -C means "list all names of cloners", and it mutually exclusive
704 * with all other flags/commands.
705 *
706 * -a means "print status of all interfaces".
707 */
708 if ((lflag || Cflag) && (aflag || mflag || vflag || zflag))
709 usage();
710 #ifdef INET6
711 if ((lflag || Cflag) && Lflag)
712 usage();
713 #endif
714 if (lflag && Cflag)
715 usage();
716
717 nmatch = __arraycount(match);
718
719 rc = parse(argc, argv, start, match, &nmatch, &narg);
720 if (rc != 0)
721 usage();
722
723 if ((xenv = prop_dictionary_create()) == NULL)
724 err(EXIT_FAILURE, "%s: prop_dictionary_create", __func__);
725
726 if (matches_exec(match, xenv, nmatch) == -1)
727 err(EXIT_FAILURE, "exec_matches");
728
729 argc -= narg;
730 argv += narg;
731
732 env = (nmatch > 0) ? match[(int)nmatch - 1].m_env : NULL;
733 if (env == NULL)
734 env = xenv;
735 else
736 env = prop_dictionary_augment(env, xenv);
737
738 /* Process any media commands that may have been issued. */
739 process_media_commands(env);
740
741 af = getaf(env);
742 switch (af) {
743 #ifndef INET_ONLY
744 case AF_APPLETALK:
745 checkatrange(&at_addreq.ifra_addr);
746 break;
747 #endif /* INET_ONLY */
748 default:
749 break;
750 case -1:
751 af = AF_INET;
752 break;
753 }
754
755 if ((s = getsock(af)) == -1)
756 err(EXIT_FAILURE, "%s: getsock", __func__);
757
758 if ((ifname = getifname(env)) == NULL)
759 err(EXIT_FAILURE, "%s: getifname", __func__);
760
761 if ((afp = lookup_af_bynum(af)) == NULL)
762 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__);
763
764 if (afp->af_addr_commit != NULL) {
765 (*afp->af_addr_commit)(env, xenv);
766 } else {
767 if (clearaddr) {
768 estrlcpy(afp->af_ridreq, ifname, IFNAMSIZ);
769 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1)
770 err(EXIT_FAILURE, "SIOCDIFADDR");
771 }
772 if (newaddr > 0) {
773 estrlcpy(afp->af_addreq, ifname, IFNAMSIZ);
774 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1)
775 warn("SIOCAIFADDR");
776 else if (check_up_state < 0)
777 check_up_state = 1;
778 }
779 }
780
781 do_setifpreference(env);
782 do_setifcaps(s, ifname, env);
783
784 if (check_up_state == 1)
785 check_ifflags_up(ifname);
786
787 exit(EXIT_SUCCESS);
788 }
789
790 const struct afswtch *
791 lookup_af_bynum(int afnum)
792 {
793 const struct afswtch *a;
794
795 for (a = afs; a->af_name != NULL; a++)
796 if (a->af_af == afnum)
797 return (a);
798 return (NULL);
799 }
800
801 void
802 printall(const char *ifname, prop_dictionary_t env0)
803 {
804 struct ifaddrs *ifap, *ifa;
805 struct ifreq ifr;
806 const struct sockaddr_dl *sdl = NULL;
807 prop_dictionary_t env, oenv;
808 int idx;
809 char *p;
810
811 if (env0 == NULL)
812 env = prop_dictionary_create();
813 else
814 env = prop_dictionary_copy_mutable(env0);
815
816 oenv = prop_dictionary_create();
817
818 if (env == NULL || oenv == NULL)
819 errx(EXIT_FAILURE, "%s: prop_dictionary_copy/create", __func__);
820
821 if (getifaddrs(&ifap) != 0)
822 err(EXIT_FAILURE, "getifaddrs");
823 p = NULL;
824 idx = 0;
825 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
826 memset(&ifr, 0, sizeof(ifr));
827 estrlcpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name));
828 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) {
829 memcpy(&ifr.ifr_addr, ifa->ifa_addr,
830 ifa->ifa_addr->sa_len);
831 }
832
833 if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0)
834 continue;
835 if (ifa->ifa_addr->sa_family == AF_LINK)
836 sdl = (const struct sockaddr_dl *) ifa->ifa_addr;
837 if (p && strcmp(p, ifa->ifa_name) == 0)
838 continue;
839 if (!prop_dictionary_set_cstring(env, "if", ifa->ifa_name))
840 continue;
841 p = ifa->ifa_name;
842
843 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0)
844 continue;
845 if (dflag && (ifa->ifa_flags & IFF_UP) != 0)
846 continue;
847 if (uflag && (ifa->ifa_flags & IFF_UP) == 0)
848 continue;
849
850 if (sflag && carrier(env))
851 continue;
852 idx++;
853 /*
854 * Are we just listing the interfaces?
855 */
856 if (lflag) {
857 if (idx > 1)
858 printf(" ");
859 fputs(ifa->ifa_name, stdout);
860 continue;
861 }
862
863 status(sdl, env, oenv);
864 sdl = NULL;
865 }
866 if (lflag)
867 printf("\n");
868 prop_object_release((prop_object_t)env);
869 prop_object_release((prop_object_t)oenv);
870 freeifaddrs(ifap);
871 }
872
873 int
874 list_cloners(prop_dictionary_t env, prop_dictionary_t oenv)
875 {
876 struct if_clonereq ifcr;
877 char *cp, *buf;
878 int idx, s;
879
880 memset(&ifcr, 0, sizeof(ifcr));
881
882 s = getsock(AF_INET);
883
884 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
885 err(EXIT_FAILURE, "SIOCIFGCLONERS for count");
886
887 buf = malloc(ifcr.ifcr_total * IFNAMSIZ);
888 if (buf == NULL)
889 err(EXIT_FAILURE, "unable to allocate cloner name buffer");
890
891 ifcr.ifcr_count = ifcr.ifcr_total;
892 ifcr.ifcr_buffer = buf;
893
894 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
895 err(EXIT_FAILURE, "SIOCIFGCLONERS for names");
896
897 /*
898 * In case some disappeared in the mean time, clamp it down.
899 */
900 if (ifcr.ifcr_count > ifcr.ifcr_total)
901 ifcr.ifcr_count = ifcr.ifcr_total;
902
903 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) {
904 if (idx > 0)
905 printf(" ");
906 printf("%s", cp);
907 }
908
909 printf("\n");
910 free(buf);
911 exit(EXIT_SUCCESS);
912 }
913
914 static int
915 clone_command(prop_dictionary_t env, prop_dictionary_t xenv)
916 {
917 struct ifreq ifreq;
918 int s;
919 int64_t cmd;
920 const char *ifname;
921
922 if (!prop_dictionary_get_int64(env, "clonecmd", &cmd)) {
923 errno = ENOENT;
924 return -1;
925 }
926
927 if ((ifname = getifname(env)) == NULL)
928 return -1;
929
930 /* We're called early... */
931 s = getsock(AF_INET);
932
933 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name));
934 if (ioctl(s, (unsigned long)cmd, &ifreq) == -1) {
935 warn("%s", __func__);
936 return -1;
937 }
938 return 0;
939 }
940
941 /*ARGSUSED*/
942 int
943 setifaddr(prop_dictionary_t env, prop_dictionary_t xenv)
944 {
945 struct ifreq *ifr; /* XXX */
946 const struct paddr_prefix *pfx0;
947 struct paddr_prefix *pfx;
948 prop_data_t d;
949 const char *ifname;
950 int af, s;
951 const struct afswtch *afp;
952
953 if ((af = getaf(env)) == -1)
954 af = AF_INET;
955
956 if ((afp = lookup_af_bynum(af)) == NULL)
957 return -1;
958
959 d = (prop_data_t)prop_dictionary_get(env, "address");
960 assert(d != NULL);
961 pfx0 = prop_data_data_nocopy(d);
962
963 if (pfx0->pfx_len != 0) {
964 pfx = prefixlen_to_mask(af, pfx0->pfx_len);
965 if (pfx == NULL)
966 err(EXIT_FAILURE, "prefixlen_to_mask");
967
968 if (afp->af_getaddr != NULL)
969 (*afp->af_getaddr)(pfx, MASK);
970 free(pfx);
971 }
972
973 if (afp->af_addr_commit != NULL)
974 return 0;
975
976 if ((ifname = getifname(env)) == NULL)
977 return -1;
978
979 /*
980 * Delay the ioctl to set the interface addr until flags are all set.
981 * The address interpretation may depend on the flags,
982 * and the flags may change when the address is set.
983 */
984 setaddr++;
985 if (newaddr == -1)
986 newaddr = 1;
987 if (doalias == 0 && afp->af_gifaddr != 0) {
988 ifr = (struct ifreq *)afp->af_ridreq;
989 estrlcpy(ifr->ifr_name, ifname, sizeof(ifr->ifr_name));
990 ifr->ifr_addr.sa_family = af;
991
992 if ((s = getsock(af)) == -1)
993 err(EXIT_FAILURE, "getsock");
994
995 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0)
996 clearaddr = 1;
997 else if (errno == EADDRNOTAVAIL)
998 /* No address was assigned yet. */
999 ;
1000 else
1001 err(EXIT_FAILURE, "SIOCGIFADDR");
1002 }
1003
1004 #if 0
1005 int i;
1006 for (i = 0; i < pfx0->pfx_addr.sa_len; i++)
1007 printf(" %02x", ((const uint8_t *)&pfx->pfx_addr)[i]);
1008 printf("\n");
1009 #endif
1010 if (afp->af_getaddr != NULL)
1011 (*afp->af_getaddr)(pfx0, (doalias >= 0 ? ADDR : RIDADDR));
1012 return 0;
1013 }
1014
1015 int
1016 setifnetmask(prop_dictionary_t env, prop_dictionary_t xenv)
1017 {
1018 const struct paddr_prefix *pfx;
1019 prop_data_t d;
1020 int af;
1021 const struct afswtch *afp;
1022
1023 if ((af = getaf(env)) == -1)
1024 af = AF_INET;
1025
1026 if ((afp = lookup_af_bynum(af)) == NULL)
1027 return -1;
1028
1029 d = (prop_data_t)prop_dictionary_get(env, "dstormask");
1030 assert(d != NULL);
1031 pfx = prop_data_data_nocopy(d);
1032
1033 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d))
1034 return -1;
1035
1036 if (afp->af_getaddr != NULL)
1037 (*afp->af_getaddr)(pfx, MASK);
1038 return 0;
1039 }
1040
1041 int
1042 setifbroadaddr(prop_dictionary_t env, prop_dictionary_t xenv)
1043 {
1044 const struct paddr_prefix *pfx;
1045 prop_data_t d;
1046 int af;
1047 const struct afswtch *afp;
1048 unsigned short flags;
1049
1050 if ((af = getaf(env)) == -1)
1051 af = AF_INET;
1052
1053 if ((afp = lookup_af_bynum(af)) == NULL)
1054 return -1;
1055
1056 if (getifflags(env, xenv, &flags) == -1)
1057 err(EXIT_FAILURE, "%s: getifflags", __func__);
1058
1059 if ((flags & IFF_BROADCAST) == 0)
1060 errx(EXIT_FAILURE, "not a broadcast interface");
1061
1062 d = (prop_data_t)prop_dictionary_get(env, "broadcast");
1063 assert(d != NULL);
1064 pfx = prop_data_data_nocopy(d);
1065
1066 if (!prop_dictionary_set(xenv, "broadcast", (prop_object_t)d))
1067 return -1;
1068
1069 if (afp->af_getaddr != NULL)
1070 (*afp->af_getaddr)(pfx, DSTADDR);
1071
1072 return 0;
1073 }
1074
1075 #define rqtosa(__afp, __x) (&(((struct ifreq *)(__afp->__x))->ifr_addr))
1076
1077 int
1078 notealias(prop_dictionary_t env, prop_dictionary_t xenv)
1079 {
1080 bool alias, delete;
1081 int af;
1082 const struct afswtch *afp;
1083
1084 if ((af = getaf(env)) == -1)
1085 af = AF_INET;
1086
1087 if ((afp = lookup_af_bynum(af)) == NULL)
1088 return -1;
1089
1090 if (afp->af_addr_commit != NULL)
1091 return 0;
1092
1093 if (!prop_dictionary_get_bool(env, "alias", &alias)) {
1094 errno = ENOENT;
1095 return -1;
1096 }
1097 delete = !alias;
1098 if (setaddr && doalias == 0 && delete)
1099 memcpy(rqtosa(afp, af_ridreq), rqtosa(afp, af_addreq),
1100 rqtosa(afp, af_addreq)->sa_len);
1101 doalias = delete ? -1 : 1;
1102 if (delete) {
1103 clearaddr = 1;
1104 newaddr = 0;
1105 } else {
1106 clearaddr = 0;
1107 }
1108 return 0;
1109 }
1110
1111 /*ARGSUSED*/
1112 int
1113 notrailers(prop_dictionary_t env, prop_dictionary_t xenv)
1114 {
1115 puts("Note: trailers are no longer sent, but always received");
1116 return 0;
1117 }
1118
1119 /*ARGSUSED*/
1120 int
1121 setifdstormask(prop_dictionary_t env, prop_dictionary_t xenv)
1122 {
1123 const char *key;
1124 const struct paddr_prefix *pfx;
1125 prop_data_t d;
1126 int af, which;
1127 const struct afswtch *afp;
1128 unsigned short flags;
1129
1130 if ((af = getaf(env)) == -1)
1131 af = AF_INET;
1132
1133 if ((afp = lookup_af_bynum(af)) == NULL)
1134 return -1;
1135
1136 if (getifflags(env, xenv, &flags) == -1)
1137 err(EXIT_FAILURE, "%s: getifflags", __func__);
1138
1139 d = (prop_data_t)prop_dictionary_get(env, "dstormask");
1140 assert(d != NULL);
1141 pfx = prop_data_data_nocopy(d);
1142
1143 if ((flags & IFF_BROADCAST) == 0) {
1144 key = "dst";
1145 which = DSTADDR;
1146 } else {
1147 key = "netmask";
1148 which = MASK;
1149 }
1150
1151 if (!prop_dictionary_set(xenv, key, (prop_object_t)d))
1152 return -1;
1153
1154 if (afp->af_getaddr != NULL)
1155 (*afp->af_getaddr)(pfx, which);
1156 return 0;
1157 }
1158
1159 void
1160 check_ifflags_up(const char *ifname)
1161 {
1162 struct ifreq ifreq;
1163 int s;
1164
1165 s = getsock(AF_UNSPEC);
1166
1167 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name));
1168 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1)
1169 err(EXIT_FAILURE, "SIOCGIFFLAGS");
1170 if (ifreq.ifr_flags & IFF_UP)
1171 return;
1172 ifreq.ifr_flags |= IFF_UP;
1173 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1)
1174 err(EXIT_FAILURE, "SIOCSIFFLAGS");
1175 }
1176
1177 int
1178 setifflags(prop_dictionary_t env, prop_dictionary_t xenv)
1179 {
1180 struct ifreq ifreq;
1181 int64_t ifflag;
1182 int s;
1183 bool rc;
1184 const char *ifname;
1185
1186 s = getsock(AF_INET);
1187
1188 rc = prop_dictionary_get_int64(env, "ifflag", &ifflag);
1189 assert(rc);
1190 if ((ifname = getifname(env)) == NULL)
1191 return -1;
1192
1193 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name));
1194 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1)
1195 return -1;
1196
1197 if (ifflag < 0) {
1198 ifflag = -ifflag;
1199 if (ifflag == IFF_UP)
1200 check_up_state = 0;
1201 ifreq.ifr_flags &= ~ifflag;
1202 } else
1203 ifreq.ifr_flags |= ifflag;
1204
1205 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1)
1206 return -1;
1207
1208 return 0;
1209 }
1210
1211 static int
1212 getifcaps(prop_dictionary_t env, prop_dictionary_t oenv, struct ifcapreq *oifcr)
1213 {
1214 const char *ifname;
1215 bool rc;
1216 int s;
1217 struct ifcapreq ifcr;
1218 const struct ifcapreq *tmpifcr;
1219 prop_data_t capdata;
1220
1221 if ((s = getsock(AF_UNSPEC)) == -1)
1222 return -1;
1223
1224 if ((ifname = getifname(env)) == NULL)
1225 return -1;
1226
1227 capdata = (prop_data_t)prop_dictionary_get(env, "ifcaps");
1228
1229 if (capdata != NULL) {
1230 tmpifcr = prop_data_data_nocopy(capdata);
1231 *oifcr = *tmpifcr;
1232 return 0;
1233 }
1234
1235 estrlcpy(ifcr.ifcr_name, ifname, sizeof(ifcr.ifcr_name));
1236 (void)ioctl(s, SIOCGIFCAP, &ifcr);
1237 *oifcr = ifcr;
1238
1239 capdata = prop_data_create_data(&ifcr, sizeof(ifcr));
1240
1241 rc = prop_dictionary_set(oenv, "ifcaps", capdata);
1242
1243 prop_object_release((prop_object_t)capdata);
1244
1245 return rc ? 0 : -1;
1246 }
1247
1248 static int
1249 setifcaps(prop_dictionary_t env, prop_dictionary_t oenv)
1250 {
1251 int64_t ifcap;
1252 int s;
1253 bool rc;
1254 prop_data_t capdata;
1255 const char *ifname;
1256 struct ifcapreq ifcr;
1257
1258 s = getsock(AF_INET);
1259
1260 rc = prop_dictionary_get_int64(env, "ifcap", &ifcap);
1261 assert(rc);
1262
1263 if ((ifname = getifname(env)) == NULL)
1264 return -1;
1265
1266 if (getifcaps(env, oenv, &ifcr) == -1)
1267 return -1;
1268
1269 if (ifcap < 0) {
1270 ifcap = -ifcap;
1271 ifcr.ifcr_capenable &= ~ifcap;
1272 } else
1273 ifcr.ifcr_capenable |= ifcap;
1274
1275 if ((capdata = prop_data_create_data(&ifcr, sizeof(ifcr))) == NULL)
1276 return -1;
1277
1278 rc = prop_dictionary_set(oenv, "ifcaps", capdata);
1279 prop_object_release((prop_object_t)capdata);
1280
1281 return rc ? 0 : -1;
1282 }
1283
1284 static int
1285 setifmetric(prop_dictionary_t env, prop_dictionary_t xenv)
1286 {
1287 struct ifreq ifr;
1288 bool rc;
1289 const char *ifname;
1290 int s;
1291 int64_t metric;
1292
1293 if ((s = getsock(AF_UNSPEC)) == -1)
1294 return -1;
1295
1296 if ((ifname = getifname(env)) == NULL)
1297 return -1;
1298
1299 rc = prop_dictionary_get_int64(env, "metric", &metric);
1300 assert(rc);
1301
1302 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1303 ifr.ifr_metric = metric;
1304 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1)
1305 warn("SIOCSIFMETRIC");
1306 return 0;
1307 }
1308
1309 static void
1310 do_setifpreference(prop_dictionary_t env)
1311 {
1312 struct if_addrprefreq ifap;
1313 int af, s;
1314 const char *ifname;
1315 const struct afswtch *afp;
1316 prop_data_t d;
1317 const struct paddr_prefix *pfx;
1318
1319 if ((af = getaf(env)) == -1)
1320 af = AF_INET;
1321
1322 if ((afp = lookup_af_bynum(af)) == NULL)
1323 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__);
1324
1325 memset(&ifap, 0, sizeof(ifap));
1326
1327 if (!prop_dictionary_get_int16(env, "preference",
1328 &ifap.ifap_preference))
1329 return;
1330
1331 d = (prop_data_t)prop_dictionary_get(env, "address");
1332 assert(d != NULL);
1333
1334 pfx = prop_data_data_nocopy(d);
1335
1336 s = getsock(AF_UNSPEC);
1337
1338 if ((ifname = getifname(env)) == NULL)
1339 err(EXIT_FAILURE, "%s: getifname", __func__);
1340
1341 strlcpy(ifap.ifap_name, ifname, sizeof(ifap.ifap_name));
1342 memcpy(&ifap.ifap_addr, &pfx->pfx_addr,
1343 MIN(sizeof(ifap.ifap_addr), pfx->pfx_addr.sa_len));
1344 if (ioctl(s, SIOCSIFADDRPREF, &ifap) == -1)
1345 warn("SIOCSIFADDRPREF");
1346 }
1347
1348 static int
1349 setifmtu(prop_dictionary_t env, prop_dictionary_t xenv)
1350 {
1351 int64_t mtu;
1352 bool rc;
1353 const char *ifname;
1354 struct ifreq ifr;
1355 int s;
1356
1357 if ((s = getsock(AF_UNSPEC)) == -1)
1358 return -1;
1359
1360 if ((ifname = getifname(env)) == NULL)
1361 return -1;
1362
1363 rc = prop_dictionary_get_int64(env, "mtu", &mtu);
1364 assert(rc);
1365
1366 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1367 ifr.ifr_mtu = mtu;
1368 if (ioctl(s, SIOCSIFMTU, &ifr) == -1)
1369 warn("SIOCSIFMTU");
1370
1371 return 0;
1372 }
1373
1374 static void
1375 media_error(int type, const char *val, const char *opt)
1376 {
1377 errx(EXIT_FAILURE, "unknown %s media %s: %s",
1378 get_media_type_string(type), opt, val);
1379 }
1380
1381 void
1382 init_current_media(prop_dictionary_t env, prop_dictionary_t oenv)
1383 {
1384 struct ifmediareq ifmr;
1385 int s;
1386 const char *ifname;
1387
1388 if ((s = getsock(AF_UNSPEC)) == -1)
1389 err(EXIT_FAILURE, "%s: getsock", __func__);
1390
1391 if ((ifname = getifname(env)) == NULL)
1392 err(EXIT_FAILURE, "%s: getifname", __func__);
1393
1394 /*
1395 * If we have not yet done so, grab the currently-selected
1396 * media.
1397 */
1398
1399 if (prop_dictionary_get(env, "initmedia") == NULL) {
1400 memset(&ifmr, 0, sizeof(ifmr));
1401 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
1402
1403 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) {
1404 /*
1405 * If we get E2BIG, the kernel is telling us
1406 * that there are more, so we can ignore it.
1407 */
1408 if (errno != E2BIG)
1409 err(EXIT_FAILURE, "SIOCGIFMEDIA");
1410 }
1411
1412 if (!prop_dictionary_set_bool(oenv, "initmedia", true)) {
1413 err(EXIT_FAILURE, "%s: prop_dictionary_set_bool",
1414 __func__);
1415 }
1416 media_current = ifmr.ifm_current;
1417 }
1418
1419 /* Sanity. */
1420 if (IFM_TYPE(media_current) == 0)
1421 errx(EXIT_FAILURE, "%s: no link type?", ifname);
1422 }
1423
1424 void
1425 process_media_commands(prop_dictionary_t env)
1426 {
1427 struct ifreq ifr;
1428 const char *ifname;
1429 int s;
1430
1431 if ((s = getsock(AF_UNSPEC)) == -1)
1432 err(EXIT_FAILURE, "%s: getsock", __func__);
1433
1434 if (prop_dictionary_get(env, "media") == NULL &&
1435 prop_dictionary_get(env, "mediaopt") == NULL &&
1436 prop_dictionary_get(env, "unmediaopt") == NULL &&
1437 prop_dictionary_get(env, "mediamode") == NULL) {
1438 /* Nothing to do. */
1439 return;
1440 }
1441
1442 if ((ifname = getifname(env)) == NULL)
1443 err(EXIT_FAILURE, "%s: getifname", __func__);
1444
1445 /*
1446 * Media already set up, and commands sanity-checked. Set/clear
1447 * any options, and we're ready to go.
1448 */
1449 media_current |= mediaopt_set;
1450 media_current &= ~mediaopt_clear;
1451
1452 memset(&ifr, 0, sizeof(ifr));
1453 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1454 ifr.ifr_media = media_current;
1455
1456 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1)
1457 err(EXIT_FAILURE, "SIOCSIFMEDIA");
1458 }
1459
1460 int
1461 setmedia(prop_dictionary_t env, prop_dictionary_t xenv)
1462 {
1463 int type, subtype, inst;
1464 prop_data_t data;
1465 char *val;
1466
1467 init_current_media(env, xenv);
1468
1469 data = (prop_data_t)prop_dictionary_get(env, "media");
1470 assert(data != NULL);
1471
1472 /* Only one media command may be given. */
1473 /* Must not come after mode commands */
1474 /* Must not come after mediaopt commands */
1475
1476 /*
1477 * No need to check if `instance' has been issued; setmediainst()
1478 * craps out if `media' has not been specified.
1479 */
1480
1481 type = IFM_TYPE(media_current);
1482 inst = IFM_INST(media_current);
1483
1484 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1485 if (val == NULL)
1486 return -1;
1487
1488 /* Look up the subtype. */
1489 subtype = get_media_subtype(type, val);
1490 if (subtype == -1)
1491 media_error(type, val, "subtype");
1492
1493 /* Build the new current media word. */
1494 media_current = IFM_MAKEWORD(type, subtype, 0, inst);
1495
1496 /* Media will be set after other processing is complete. */
1497 return 0;
1498 }
1499
1500 int
1501 setmediaopt(prop_dictionary_t env, prop_dictionary_t xenv)
1502 {
1503 char *invalid;
1504 prop_data_t data;
1505 char *val;
1506
1507 init_current_media(env, xenv);
1508
1509 data = (prop_data_t)prop_dictionary_get(env, "mediaopt");
1510 assert(data != NULL);
1511
1512 /* Can only issue `mediaopt' once. */
1513 /* Can't issue `mediaopt' if `instance' has already been issued. */
1514
1515 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1516 if (val == NULL)
1517 return -1;
1518
1519 mediaopt_set = get_media_options(media_current, val, &invalid);
1520 free(val);
1521 if (mediaopt_set == -1)
1522 media_error(media_current, invalid, "option");
1523
1524 /* Media will be set after other processing is complete. */
1525 return 0;
1526 }
1527
1528 int
1529 unsetmediaopt(prop_dictionary_t env, prop_dictionary_t xenv)
1530 {
1531 char *invalid, *val;
1532 prop_data_t data;
1533
1534 init_current_media(env, xenv);
1535
1536 data = (prop_data_t)prop_dictionary_get(env, "unmediaopt");
1537 if (data == NULL) {
1538 errno = ENOENT;
1539 return -1;
1540 }
1541
1542 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1543 if (val == NULL)
1544 return -1;
1545
1546 /*
1547 * No need to check for A_MEDIAINST, since the test for A_MEDIA
1548 * implicitly checks for A_MEDIAINST.
1549 */
1550
1551 mediaopt_clear = get_media_options(media_current, val, &invalid);
1552 free(val);
1553 if (mediaopt_clear == -1)
1554 media_error(media_current, invalid, "option");
1555
1556 /* Media will be set after other processing is complete. */
1557 return 0;
1558 }
1559
1560 int
1561 setmediainst(prop_dictionary_t env, prop_dictionary_t xenv)
1562 {
1563 int type, subtype, options;
1564 int64_t inst;
1565 bool rc;
1566
1567 init_current_media(env, xenv);
1568
1569 rc = prop_dictionary_get_int64(env, "mediainst", &inst);
1570 assert(rc);
1571
1572 /* Can only issue `instance' once. */
1573 /* Must have already specified `media' */
1574
1575 type = IFM_TYPE(media_current);
1576 subtype = IFM_SUBTYPE(media_current);
1577 options = IFM_OPTIONS(media_current);
1578
1579 media_current = IFM_MAKEWORD(type, subtype, options, inst);
1580
1581 /* Media will be set after other processing is complete. */
1582 return 0;
1583 }
1584
1585 int
1586 setmediamode(prop_dictionary_t env, prop_dictionary_t xenv)
1587 {
1588 int type, subtype, options, inst, mode;
1589 prop_data_t data;
1590 char *val;
1591
1592 init_current_media(env, xenv);
1593
1594 data = (prop_data_t)prop_dictionary_get(env, "mediamode");
1595 assert(data != NULL);
1596
1597 type = IFM_TYPE(media_current);
1598 subtype = IFM_SUBTYPE(media_current);
1599 options = IFM_OPTIONS(media_current);
1600 inst = IFM_INST(media_current);
1601
1602 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1603 if (val == NULL)
1604 return -1;
1605
1606 mode = get_media_mode(type, val);
1607 if (mode == -1)
1608 media_error(type, val, "mode");
1609
1610 free(val);
1611
1612 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode;
1613
1614 /* Media will be set after other processing is complete. */
1615 return 0;
1616 }
1617
1618 void
1619 print_media_word(int ifmw, const char *opt_sep)
1620 {
1621 const char *str;
1622
1623 printf("%s", get_media_subtype_string(ifmw));
1624
1625 /* Find mode. */
1626 if (IFM_MODE(ifmw) != 0) {
1627 str = get_media_mode_string(ifmw);
1628 if (str != NULL)
1629 printf(" mode %s", str);
1630 }
1631
1632 /* Find options. */
1633 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",")
1634 printf("%s%s", opt_sep, str);
1635
1636 if (IFM_INST(ifmw) != 0)
1637 printf(" instance %d", IFM_INST(ifmw));
1638 }
1639
1640 int
1641 carrier(prop_dictionary_t env)
1642 {
1643 struct ifmediareq ifmr;
1644 int s;
1645 const char *ifname;
1646
1647 if ((s = getsock(AF_UNSPEC)) == -1)
1648 err(EXIT_FAILURE, "%s: getsock", __func__);
1649
1650 if ((ifname = getifname(env)) == NULL)
1651 err(EXIT_FAILURE, "%s: getifname", __func__);
1652
1653 (void) memset(&ifmr, 0, sizeof(ifmr));
1654 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
1655
1656 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) {
1657 /*
1658 * Interface doesn't support SIOC{G,S}IFMEDIA;
1659 * assume ok.
1660 */
1661 return EXIT_SUCCESS;
1662 }
1663 if ((ifmr.ifm_status & IFM_AVALID) == 0) {
1664 /*
1665 * Interface doesn't report media-valid status.
1666 * assume ok.
1667 */
1668 return EXIT_SUCCESS;
1669 }
1670 /* otherwise, return ok for active, not-ok if not active. */
1671 if (ifmr.ifm_status & IFM_ACTIVE)
1672 return EXIT_SUCCESS;
1673 else
1674 return EXIT_FAILURE;
1675 }
1676
1677 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST;
1678
1679 const struct ifmedia_status_description ifm_status_descriptions[] =
1680 IFM_STATUS_DESCRIPTIONS;
1681
1682 /*
1683 * Print the status of the interface. If an address family was
1684 * specified, show it and it only; otherwise, show them all.
1685 */
1686 void
1687 status(const struct sockaddr_dl *sdl, prop_dictionary_t env,
1688 prop_dictionary_t oenv)
1689 {
1690 struct ifmediareq ifmr;
1691 struct ifdatareq ifdr;
1692 struct ifreq ifr;
1693 int *media_list, i;
1694 char hbuf[NI_MAXHOST];
1695 char fbuf[BUFSIZ];
1696 int af, s;
1697 const char *ifname;
1698 struct ifcapreq ifcr;
1699 unsigned short flags;
1700 const struct afswtch *afp;
1701
1702 if ((af = getaf(env)) == -1) {
1703 afp = NULL;
1704 af = AF_UNSPEC;
1705 } else
1706 afp = lookup_af_bynum(af);
1707
1708 if ((s = getsock(af)) == -1)
1709 err(EXIT_FAILURE, "%s: getsock", __func__);
1710
1711 if ((ifname = getifinfo(env, oenv, &flags)) == NULL)
1712 err(EXIT_FAILURE, "%s: getifinfo", __func__);
1713
1714 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags);
1715 printf("%s: flags=%s", ifname, &fbuf[2]);
1716
1717 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1718 if (ioctl(s, SIOCGIFMETRIC, &ifr) == -1)
1719 warn("SIOCGIFMETRIC %s", ifr.ifr_name);
1720 else if (ifr.ifr_metric != 0)
1721 printf(" metric %d", ifr.ifr_metric);
1722
1723 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1724 if (ioctl(s, SIOCGIFMTU, &ifr) != -1 && ifr.ifr_mtu != 0)
1725 printf(" mtu %d", ifr.ifr_mtu);
1726 printf("\n");
1727
1728 if (getifcaps(env, oenv, &ifcr) == -1)
1729 err(EXIT_FAILURE, "%s: getifcaps", __func__);
1730
1731 if (ifcr.ifcr_capabilities != 0) {
1732 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS,
1733 ifcr.ifcr_capabilities);
1734 printf("\tcapabilities=%s\n", &fbuf[2]);
1735 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS,
1736 ifcr.ifcr_capenable);
1737 printf("\tenabled=%s\n", &fbuf[2]);
1738 }
1739
1740 ieee80211_status(env, oenv);
1741 vlan_status(env, oenv);
1742 #ifndef INET_ONLY
1743 carp_status(env, oenv);
1744 #endif
1745 tunnel_status(env, oenv);
1746 agr_status(env, oenv);
1747
1748 if (sdl != NULL &&
1749 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len,
1750 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 &&
1751 hbuf[0] != '\0')
1752 printf("\taddress: %s\n", hbuf);
1753
1754 (void) memset(&ifmr, 0, sizeof(ifmr));
1755 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
1756
1757 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) {
1758 /*
1759 * Interface doesn't support SIOC{G,S}IFMEDIA.
1760 */
1761 goto iface_stats;
1762 }
1763
1764 if (ifmr.ifm_count == 0) {
1765 warnx("%s: no media types?", ifname);
1766 goto iface_stats;
1767 }
1768
1769 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));
1770 if (media_list == NULL)
1771 err(EXIT_FAILURE, "malloc");
1772 ifmr.ifm_ulist = media_list;
1773
1774 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1)
1775 err(EXIT_FAILURE, "SIOCGIFMEDIA");
1776
1777 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current));
1778 print_media_word(ifmr.ifm_current, " ");
1779 if (ifmr.ifm_active != ifmr.ifm_current) {
1780 printf(" (");
1781 print_media_word(ifmr.ifm_active, " ");
1782 printf(")");
1783 }
1784 printf("\n");
1785
1786 if (ifmr.ifm_status & IFM_STATUS_VALID) {
1787 const struct ifmedia_status_description *ifms;
1788 int bitno, found = 0;
1789
1790 printf("\tstatus: ");
1791 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) {
1792 for (ifms = ifm_status_descriptions;
1793 ifms->ifms_valid != 0; ifms++) {
1794 if (ifms->ifms_type !=
1795 IFM_TYPE(ifmr.ifm_current) ||
1796 ifms->ifms_valid !=
1797 ifm_status_valid_list[bitno])
1798 continue;
1799 printf("%s%s", found ? ", " : "",
1800 IFM_STATUS_DESC(ifms, ifmr.ifm_status));
1801 found = 1;
1802
1803 /*
1804 * For each valid indicator bit, there's
1805 * only one entry for each media type, so
1806 * terminate the inner loop now.
1807 */
1808 break;
1809 }
1810 }
1811
1812 if (found == 0)
1813 printf("unknown");
1814 printf("\n");
1815 }
1816
1817 if (mflag) {
1818 int type, printed_type;
1819
1820 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) {
1821 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) {
1822 if (IFM_TYPE(media_list[i]) != type)
1823 continue;
1824 if (printed_type == 0) {
1825 printf("\tsupported %s media:\n",
1826 get_media_type_string(type));
1827 printed_type = 1;
1828 }
1829 printf("\t\tmedia ");
1830 print_media_word(media_list[i], " mediaopt ");
1831 printf("\n");
1832 }
1833 }
1834 }
1835
1836 free(media_list);
1837
1838 iface_stats:
1839 if (!vflag && !zflag)
1840 goto proto_status;
1841
1842 estrlcpy(ifdr.ifdr_name, ifname, sizeof(ifdr.ifdr_name));
1843
1844 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) {
1845 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA");
1846 } else {
1847 struct if_data * const ifi = &ifdr.ifdr_data;
1848 char buf[5];
1849
1850 #define PLURAL(n) ((n) == 1 ? "" : "s")
1851 #define PLURALSTR(s) ((atof(s)) == 1.0 ? "" : "s")
1852 printf("\tinput: %llu packet%s, ",
1853 (unsigned long long) ifi->ifi_ipackets,
1854 PLURAL(ifi->ifi_ipackets));
1855 if (hflag) {
1856 (void) humanize_number(buf, sizeof(buf),
1857 (int64_t) ifi->ifi_ibytes, "", HN_AUTOSCALE,
1858 HN_NOSPACE | HN_DECIMAL);
1859 printf("%s byte%s", buf,
1860 PLURALSTR(buf));
1861 } else
1862 printf("%llu byte%s",
1863 (unsigned long long) ifi->ifi_ibytes,
1864 PLURAL(ifi->ifi_ibytes));
1865 if (ifi->ifi_imcasts)
1866 printf(", %llu multicast%s",
1867 (unsigned long long) ifi->ifi_imcasts,
1868 PLURAL(ifi->ifi_imcasts));
1869 if (ifi->ifi_ierrors)
1870 printf(", %llu error%s",
1871 (unsigned long long) ifi->ifi_ierrors,
1872 PLURAL(ifi->ifi_ierrors));
1873 if (ifi->ifi_iqdrops)
1874 printf(", %llu queue drop%s",
1875 (unsigned long long) ifi->ifi_iqdrops,
1876 PLURAL(ifi->ifi_iqdrops));
1877 if (ifi->ifi_noproto)
1878 printf(", %llu unknown protocol",
1879 (unsigned long long) ifi->ifi_noproto);
1880 printf("\n\toutput: %llu packet%s, ",
1881 (unsigned long long) ifi->ifi_opackets,
1882 PLURAL(ifi->ifi_opackets));
1883 if (hflag) {
1884 (void) humanize_number(buf, sizeof(buf),
1885 (int64_t) ifi->ifi_obytes, "", HN_AUTOSCALE,
1886 HN_NOSPACE | HN_DECIMAL);
1887 printf("%s byte%s", buf,
1888 PLURALSTR(buf));
1889 } else
1890 printf("%llu byte%s",
1891 (unsigned long long) ifi->ifi_obytes,
1892 PLURAL(ifi->ifi_obytes));
1893 if (ifi->ifi_omcasts)
1894 printf(", %llu multicast%s",
1895 (unsigned long long) ifi->ifi_omcasts,
1896 PLURAL(ifi->ifi_omcasts));
1897 if (ifi->ifi_oerrors)
1898 printf(", %llu error%s",
1899 (unsigned long long) ifi->ifi_oerrors,
1900 PLURAL(ifi->ifi_oerrors));
1901 if (ifi->ifi_collisions)
1902 printf(", %llu collision%s",
1903 (unsigned long long) ifi->ifi_collisions,
1904 PLURAL(ifi->ifi_collisions));
1905 printf("\n");
1906 #undef PLURAL
1907 #undef PLURALSTR
1908 }
1909
1910 ieee80211_statistics(env);
1911
1912 proto_status:
1913
1914 if (afp != NULL)
1915 (*afp->af_status)(env, oenv, true);
1916 else for (afp = afs; afp->af_name != NULL; afp++)
1917 (*afp->af_status)(env, oenv, false);
1918 }
1919
1920 int
1921 setifprefixlen(prop_dictionary_t env, prop_dictionary_t xenv)
1922 {
1923 const char *ifname;
1924 bool rc;
1925 int64_t plen;
1926 int af;
1927 const struct afswtch *afp;
1928 unsigned short flags;
1929 struct paddr_prefix *pfx;
1930 prop_data_t d;
1931
1932 if ((af = getaf(env)) == -1)
1933 af = AF_INET;
1934
1935 if ((afp = lookup_af_bynum(af)) == NULL)
1936 return -1;
1937
1938 if ((ifname = getifinfo(env, xenv, &flags)) == NULL)
1939 err(EXIT_FAILURE, "getifinfo");
1940
1941 rc = prop_dictionary_get_int64(env, "prefixlen", &plen);
1942 assert(rc);
1943
1944 pfx = prefixlen_to_mask(af, plen);
1945 if (pfx == NULL)
1946 err(EXIT_FAILURE, "prefixlen_to_mask");
1947
1948 d = prop_data_create_data(pfx,
1949 offsetof(struct paddr_prefix, pfx_addr) + pfx->pfx_addr.sa_len);
1950 if (d == NULL)
1951 err(EXIT_FAILURE, "%s: prop_data_create_data", __func__);
1952
1953 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d))
1954 err(EXIT_FAILURE, "%s: prop_dictionary_set", __func__);
1955
1956 if (afp->af_getaddr != NULL)
1957 (*afp->af_getaddr)(pfx, MASK);
1958
1959 free(pfx);
1960 return 0;
1961 }
1962
1963 void
1964 usage(void)
1965 {
1966 const char *progname = getprogname();
1967
1968 fprintf(stderr,
1969 "usage: %s [-h] [-m] [-v] [-z] "
1970 #ifdef INET6
1971 "[-L] "
1972 #endif
1973 "interface\n"
1974 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n"
1975 "\t\t[ alias | -alias ] ]\n"
1976 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n"
1977 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n"
1978 "\t[ list scan ]\n"
1979 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n"
1980 "\t[ hidessid | -hidessid ] [ apbridge | -apbridge ]\n"
1981 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n"
1982 "\t[ arp | -arp ]\n"
1983 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] "
1984 "[ instance minst ]\n"
1985 "\t[ preference n ]\n"
1986 "\t[ vlan n vlanif i ]\n"
1987 "\t[ agrport i ] [ -agrport i ]\n"
1988 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n"
1989 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n"
1990 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n"
1991 " %s -a [-b] [-h] [-m] [-d] [-u] [-v] [-z] [ af ]\n"
1992 " %s -l [-b] [-d] [-u] [-s]\n"
1993 " %s -C\n"
1994 " %s interface create\n"
1995 " %s interface destroy\n",
1996 progname, progname, progname, progname, progname, progname);
1997 exit(EXIT_FAILURE);
1998 }
1999