ifconfig.c revision 1.187 1 /* $NetBSD: ifconfig.c,v 1.187 2008/05/06 04:33:42 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 1.187 2008/05/06 04:33:42 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 void usage(void);
175
176 void print_media_word(int, const char *);
177 void process_media_commands(prop_dictionary_t);
178 void init_current_media(prop_dictionary_t, prop_dictionary_t);
179
180 /* Known address families */
181 static const struct afswtch afs[] = {
182 {.af_name = "inet", .af_af = AF_INET, .af_status = in_status,
183 .af_addr_commit = in_addr_commit}
184
185 #ifdef INET6
186 , {.af_name = "inet6", .af_af = AF_INET6, .af_status = in6_status,
187 .af_getaddr = in6_getaddr, .af_getprefix = in6_getprefix,
188 .af_difaddr = SIOCDIFADDR_IN6, .af_aifaddr = SIOCAIFADDR_IN6,
189 /* Deleting the first address before setting new one is
190 * not prefered way in this protocol.
191 */
192 .af_gifaddr = 0, .af_ridreq = &in6_ridreq, .af_addreq = &in6_addreq}
193 #endif
194
195 #ifndef INET_ONLY /* small version, for boot media */
196 , {.af_name = "atalk", .af_af = AF_APPLETALK, .af_status = at_status,
197 .af_getaddr = at_getaddr, NULL, .af_difaddr = SIOCDIFADDR,
198 .af_aifaddr = SIOCAIFADDR, .af_gifaddr = SIOCGIFADDR,
199 .af_ridreq = &at_addreq, .af_addreq = &at_addreq}
200 , {.af_name = "iso", .af_af = AF_ISO, .af_status = iso_status,
201 .af_getaddr = iso_getaddr, NULL, .af_difaddr = SIOCDIFADDR_ISO,
202 .af_aifaddr = SIOCAIFADDR_ISO, .af_gifaddr = SIOCGIFADDR_ISO,
203 .af_ridreq = &iso_ridreq, .af_addreq = &iso_addreq}
204 #endif /* INET_ONLY */
205
206 , {.af_name = NULL} /* sentinel */
207 };
208
209 #define IFKW(__word, __flag) \
210 { \
211 .k_word = (__word), .k_neg = true, .k_type = KW_T_NUM, \
212 .k_num = (__flag), \
213 .k_negnum = -(__flag) \
214 }
215
216 struct kwinst ifflagskw[] = {
217 IFKW("arp", IFF_NOARP)
218 , IFKW("debug", IFF_DEBUG)
219 , IFKW("link0", IFF_LINK0)
220 , IFKW("link1", IFF_LINK1)
221 , IFKW("link2", IFF_LINK2)
222 , {.k_word = "down", .k_type = KW_T_NUM, .k_num = -IFF_UP}
223 , {.k_word = "up", .k_type = KW_T_NUM, .k_num = IFF_UP}
224 };
225
226 struct kwinst ifcapskw[] = {
227 IFKW("ip4csum-tx", IFCAP_CSUM_IPv4_Tx)
228 , IFKW("ip4csum-rx", IFCAP_CSUM_IPv4_Rx)
229 , IFKW("tcp4csum-tx", IFCAP_CSUM_TCPv4_Tx)
230 , IFKW("tcp4csum-rx", IFCAP_CSUM_TCPv4_Rx)
231 , IFKW("udp4csum-tx", IFCAP_CSUM_UDPv4_Tx)
232 , IFKW("udp4csum-rx", IFCAP_CSUM_UDPv4_Rx)
233 , IFKW("tcp6csum-tx", IFCAP_CSUM_TCPv6_Tx)
234 , IFKW("tcp6csum-rx", IFCAP_CSUM_TCPv6_Rx)
235 , IFKW("udp6csum-tx", IFCAP_CSUM_UDPv6_Tx)
236 , IFKW("udp6csum-rx", IFCAP_CSUM_UDPv6_Rx)
237 , IFKW("ip4csum", IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx)
238 , IFKW("tcp4csum", IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx)
239 , IFKW("udp4csum", IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx)
240 , IFKW("tcp6csum", IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx)
241 , IFKW("udp6csum", IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx)
242 , IFKW("tso4", IFCAP_TSOv4)
243 , IFKW("tso6", IFCAP_TSOv6)
244 };
245
246 extern struct pbranch command_root;
247 extern struct pbranch opt_command;
248 extern struct pbranch opt_family, opt_silent_family;
249 extern struct pkw cloning, silent_family, family, ia6flags, ia6lifetime,
250 ieee80211bool, ifcaps, ifflags, lists, misc;
251
252 struct pinteger parse_metric = PINTEGER_INITIALIZER(&parse_metric, "metric", 10,
253 setifmetric, "metric", &command_root.pb_parser);
254
255 struct pinteger parse_mtu = PINTEGER_INITIALIZER(&parse_mtu, "mtu", 10,
256 setifmtu, "mtu", &command_root.pb_parser);
257
258 struct pinteger parse_prefixlen = PINTEGER_INITIALIZER(&parse_prefixlen,
259 "prefixlen", 10, setifprefixlen, "prefixlen", &command_root.pb_parser);
260
261 struct pinteger parse_preference = PINTEGER_INITIALIZER1(&parse_preference,
262 "preference", INT16_MIN, INT16_MAX, 10, NULL, "preference",
263 &command_root.pb_parser);
264
265 struct paddr parse_netmask = PADDR_INITIALIZER(&parse_netmask, "netmask",
266 setifnetmask, "dstormask", NULL, NULL, NULL, &command_root.pb_parser);
267
268 struct paddr parse_broadcast = PADDR_INITIALIZER(&parse_broadcast,
269 "broadcast address",
270 setifbroadaddr, "broadcast", NULL, NULL, NULL, &command_root.pb_parser);
271
272 struct pstr mediamode = PSTR_INITIALIZER(&mediamode, "mediamode",
273 setmediamode, "mediamode", &command_root.pb_parser);
274
275 struct pinteger mediainst = PINTEGER_INITIALIZER1(&mediainst, "mediainst",
276 0, IFM_INST_MAX, 10, setmediainst, "mediainst", &command_root.pb_parser);
277
278 struct pstr unmediaopt = PSTR_INITIALIZER(&unmediaopt, "-mediaopt",
279 unsetmediaopt, "unmediaopt", &command_root.pb_parser);
280
281 struct pstr mediaopt = PSTR_INITIALIZER(&mediaopt, "mediaopt",
282 setmediaopt, "mediaopt", &command_root.pb_parser);
283
284 struct pstr media = PSTR_INITIALIZER(&media, "media",
285 setmedia, "media", &command_root.pb_parser);
286
287 struct kwinst misckw[] = {
288 {.k_word = "agrport", .k_type = KW_T_NUM, .k_neg = true,
289 .k_num = AGRCMD_ADDPORT, .k_negnum = AGRCMD_REMPORT,
290 .k_exec = agrsetport}
291 , {.k_word = "alias", .k_key = "alias", .k_deact = "alias",
292 .k_type = KW_T_BOOL, .k_neg = true,
293 .k_bool = true, .k_negbool = false,
294 .k_exec = notealias, .k_nextparser = &command_root.pb_parser}
295 , {.k_word = "bssid", .k_nextparser = &parse_bssid.ps_parser}
296 , {.k_word = "-bssid", .k_exec = unsetifbssid,
297 .k_nextparser = &command_root.pb_parser}
298 , {.k_word = "broadcast", .k_nextparser = &parse_broadcast.pa_parser}
299 , {.k_word = "chan", .k_nextparser = &parse_chan.pi_parser}
300 , {.k_word = "-chan", .k_key = "chan", .k_type = KW_T_NUM,
301 .k_num = IEEE80211_CHAN_ANY, .k_exec = setifchan,
302 .k_nextparser = &command_root.pb_parser}
303 , {.k_word = "delete", .k_key = "alias", .k_deact = "alias",
304 .k_type = KW_T_BOOL, .k_bool = false, .k_exec = notealias,
305 .k_nextparser = &command_root.pb_parser}
306 , {.k_word = "deletetunnel", .k_exec = deletetunnel,
307 .k_nextparser = &command_root.pb_parser}
308 , {.k_word = "frag", .k_nextparser = &parse_frag.pi_parser}
309 , {.k_word = "-frag", .k_key = "frag", .k_type = KW_T_NUM,
310 .k_num = IEEE80211_FRAG_MAX, .k_exec = setiffrag,
311 .k_nextparser = &command_root.pb_parser}
312 , {.k_word = "instance", .k_key = "anymedia", .k_type = KW_T_BOOL,
313 .k_bool = true, .k_act = "media", .k_deact = "mediainst",
314 .k_nextparser = &mediainst.pi_parser}
315 , {.k_word = "inst", .k_key = "anymedia", .k_type = KW_T_BOOL,
316 .k_bool = true, .k_act = "media", .k_deact = "mediainst",
317 .k_nextparser = &mediainst.pi_parser}
318 , {.k_word = "list", .k_nextparser = &lists.pk_parser}
319 , {.k_word = "media", .k_key = "anymedia", .k_type = KW_T_BOOL,
320 .k_bool = true, .k_deact = "media", .k_altdeact = "anymedia",
321 .k_nextparser = &media.ps_parser}
322 , {.k_word = "mediaopt", .k_key = "anymedia", .k_type = KW_T_BOOL,
323 .k_bool = true, .k_deact = "mediaopt", .k_altdeact = "instance",
324 .k_nextparser = &mediaopt.ps_parser}
325 , {.k_word = "-mediaopt", .k_key = "anymedia", .k_type = KW_T_BOOL,
326 .k_bool = true, .k_deact = "unmediaopt", .k_altdeact = "media",
327 .k_nextparser = &unmediaopt.ps_parser}
328 , {.k_word = "mode", .k_key = "anymedia", .k_type = KW_T_BOOL,
329 .k_bool = true, .k_deact = "mode",
330 .k_nextparser = &mediamode.ps_parser}
331 , {.k_word = "metric", .k_nextparser = &parse_metric.pi_parser}
332 , {.k_word = "mtu", .k_nextparser = &parse_mtu.pi_parser}
333 , {.k_word = "netmask", .k_nextparser = &parse_netmask.pa_parser}
334 , {.k_word = "nwid", .k_nextparser = &parse_ssid.ps_parser}
335 , {.k_word = "nwkey", .k_nextparser = &parse_nwkey.ps_parser}
336 , {.k_word = "-nwkey", .k_exec = unsetifnwkey,
337 .k_nextparser = &command_root.pb_parser}
338 , {.k_word = "preference", .k_act = "address",
339 .k_nextparser = &parse_preference.pi_parser}
340 , {.k_word = "prefixlen", .k_nextparser = &parse_prefixlen.pi_parser}
341 , {.k_word = "ssid", .k_nextparser = &parse_ssid.ps_parser}
342 , {.k_word = "powersavesleep",
343 .k_nextparser = &parse_powersavesleep.pi_parser}
344 , {.k_word = "trailers", .k_neg = true,
345 .k_exec = notrailers, .k_nextparser = &command_root.pb_parser}
346 , {.k_word = "tunnel", .k_nextparser = &tunsrc.pa_parser}
347 , {.k_word = "vlan", .k_nextparser = &vlan.pi_parser}
348 , {.k_word = "vlanif", .k_act = "vlan",
349 .k_nextparser = &vlanif.pif_parser}
350 , {.k_word = "-vlanif", .k_key = "vlanif", .k_type = KW_T_STR,
351 .k_str = "", .k_exec = setvlanif}
352 #ifndef INET_ONLY
353 , {.k_word = "phase", .k_nextparser = &phase.pi_parser}
354 , {.k_word = "range", .k_nextparser = &parse_range.ps_parser}
355 , {.k_word = "nsellength", .k_nextparser = &parse_nsellength.pi_parser}
356 , {.k_word = "snpaoffset", .k_nextparser = &snpaoffset.pi_parser}
357 /* CARP */
358 , {.k_word = "advbase", .k_nextparser = &parse_advbase.pi_parser}
359 , {.k_word = "advskew", .k_nextparser = &parse_advskew.pi_parser}
360 , {.k_word = "carpdev", .k_nextparser = &carpdev.pif_parser}
361 , {.k_word = "-carpdev", .k_key = "carpdev", .k_type = KW_T_STR,
362 .k_str = "", .k_exec = setcarpdev,
363 .k_nextparser = &command_root.pb_parser}
364 , {.k_word = "pass", .k_nextparser = &pass.ps_parser}
365 , {.k_word = "state", .k_nextparser = &carpstate.pk_parser}
366 , {.k_word = "vhid", .k_nextparser = &parse_vhid.pi_parser}
367 #endif
368 #ifdef INET6
369 , {.k_word = "eui64", .k_exec = setia6eui64,
370 .k_nextparser = &command_root.pb_parser}
371 #endif /*INET6*/
372 };
373
374 /* key: clonecmd */
375 struct kwinst clonekw[] = {
376 {.k_word = "create", .k_type = KW_T_NUM, .k_num = SIOCIFCREATE,
377 .k_nextparser = &opt_silent_family.pb_parser},
378 {.k_word = "destroy", .k_type = KW_T_NUM, .k_num = SIOCIFDESTROY}
379 };
380
381 struct kwinst familykw[] = {
382 {.k_word = "inet", .k_type = KW_T_NUM, .k_num = AF_INET,
383 .k_nextparser = NULL}
384 #ifdef INET6
385 , {.k_word = "inet6", .k_type = KW_T_NUM, .k_num = AF_INET6,
386 .k_nextparser = NULL}
387 #endif
388 #ifndef INET_ONLY /* small version, for boot media */
389 , {.k_word = "atalk", .k_type = KW_T_NUM, .k_num = AF_APPLETALK,
390 .k_nextparser = NULL}
391 , {.k_word = "iso", .k_type = KW_T_NUM, .k_num = AF_ISO,
392 .k_nextparser = NULL}
393 #endif /* INET_ONLY */
394 };
395
396 struct pterm cloneterm = PTERM_INITIALIZER(&cloneterm, "list cloners",
397 list_cloners, "none");
398
399 struct pterm no_cmds = PTERM_INITIALIZER(&no_cmds, "no commands", no_cmds_exec,
400 "none");
401
402 struct pkw family_only =
403 PKW_INITIALIZER(&family_only, "family-only", NULL, "af", familykw,
404 __arraycount(familykw), &no_cmds.pt_parser);
405
406 struct paddr address = PADDR_INITIALIZER(&address,
407 "local address (address 1)",
408 setifaddr, "address", "netmask", NULL, "address", &command_root.pb_parser);
409
410 struct paddr dstormask = PADDR_INITIALIZER(&dstormask,
411 "destination/netmask (address 2)",
412 setifdstormask, "dstormask", NULL, "address", "dstormask",
413 &command_root.pb_parser);
414
415 struct paddr broadcast = PADDR_INITIALIZER(&broadcast,
416 "broadcast address (address 3)",
417 setifbroadaddr, "broadcast", NULL, "dstormask", "broadcast",
418 &command_root.pb_parser);
419
420 struct branch opt_clone_brs[] = {
421 {.b_nextparser = &cloning.pk_parser}
422 , {.b_nextparser = &opt_family.pb_parser}
423 }, opt_silent_family_brs[] = {
424 {.b_nextparser = &silent_family.pk_parser}
425 , {.b_nextparser = &command_root.pb_parser}
426 }, opt_family_brs[] = {
427 {.b_nextparser = &family.pk_parser}
428 , {.b_nextparser = &opt_command.pb_parser}
429 }, command_root_brs[] = {
430 {.b_nextparser = &ieee80211bool.pk_parser}
431 , {.b_nextparser = &ifflags.pk_parser}
432 , {.b_nextparser = &ifcaps.pk_parser}
433 #ifdef INET6
434 , {.b_nextparser = &ia6flags.pk_parser}
435 , {.b_nextparser = &ia6lifetime.pk_parser}
436 #endif /*INET6*/
437 , {.b_nextparser = &misc.pk_parser}
438 , {.b_nextparser = &address.pa_parser}
439 , {.b_nextparser = &dstormask.pa_parser}
440 , {.b_nextparser = &broadcast.pa_parser}
441 , {.b_nextparser = NULL}
442 }, opt_command_brs[] = {
443 {.b_nextparser = &no_cmds.pt_parser}
444 , {.b_nextparser = &command_root.pb_parser}
445 };
446
447 struct branch opt_family_only_brs[] = {
448 {.b_nextparser = &no_cmds.pt_parser}
449 , {.b_nextparser = &family_only.pk_parser}
450 };
451 struct pbranch opt_family_only = PBRANCH_INITIALIZER(&opt_family_only,
452 "opt-family-only", opt_family_only_brs,
453 __arraycount(opt_family_only_brs), true);
454 struct pbranch opt_command = PBRANCH_INITIALIZER(&opt_command,
455 "optional command",
456 opt_command_brs, __arraycount(opt_command_brs), true);
457
458 struct pbranch command_root = PBRANCH_INITIALIZER(&command_root,
459 "command-root", command_root_brs, __arraycount(command_root_brs), true);
460
461 struct piface iface_opt_family_only =
462 PIFACE_INITIALIZER(&iface_opt_family_only, "iface-opt-family-only",
463 NULL, "if", &opt_family_only.pb_parser);
464
465 struct pkw family = PKW_INITIALIZER(&family, "family", NULL, "af",
466 familykw, __arraycount(familykw), &opt_command.pb_parser);
467
468 struct pkw silent_family = PKW_INITIALIZER(&silent_family, "silent family",
469 NULL, "af", familykw, __arraycount(familykw), &command_root.pb_parser);
470
471 #ifdef INET6
472 struct kwinst ia6flagskw[] = {
473 IFKW("anycast", IN6_IFF_ANYCAST)
474 , IFKW("tentative", IN6_IFF_TENTATIVE)
475 , IFKW("deprecated", IN6_IFF_DEPRECATED)
476 };
477
478 struct pinteger pltime = PINTEGER_INITIALIZER(&pltime, "pltime", 0,
479 setia6pltime, "pltime", &command_root.pb_parser);
480
481 struct pinteger vltime = PINTEGER_INITIALIZER(&vltime, "vltime", 0,
482 setia6vltime, "vltime", &command_root.pb_parser);
483
484 struct kwinst ia6lifetimekw[] = {
485 {.k_word = "pltime", .k_nextparser = &pltime.pi_parser}
486 , {.k_word = "vltime", .k_nextparser = &vltime.pi_parser}
487 };
488
489 struct pkw ia6flags = PKW_INITIALIZER(&ia6flags, "ia6flags", setia6flags,
490 "ia6flag", ia6flagskw, __arraycount(ia6flagskw), &command_root.pb_parser);
491 struct pkw ia6lifetime = PKW_INITIALIZER(&ia6lifetime, "ia6lifetime", NULL,
492 NULL, ia6lifetimekw, __arraycount(ia6lifetimekw), NULL);
493 #endif /*INET6*/
494
495 struct pkw ifcaps = PKW_INITIALIZER(&ifcaps, "ifcaps", setifcaps,
496 "ifcap", ifcapskw, __arraycount(ifcapskw), &command_root.pb_parser);
497
498 struct pkw ifflags = PKW_INITIALIZER(&ifflags, "ifflags", setifflags,
499 "ifflag", ifflagskw, __arraycount(ifflagskw), &command_root.pb_parser);
500
501 struct pkw cloning = PKW_INITIALIZER(&cloning, "cloning", clone_command,
502 "clonecmd", clonekw, __arraycount(clonekw), NULL);
503
504 struct pkw misc = PKW_INITIALIZER(&misc, "misc", NULL, NULL,
505 misckw, __arraycount(misckw), NULL);
506
507 struct pbranch opt_clone = PBRANCH_INITIALIZER(&opt_clone,
508 "opt-clone", opt_clone_brs, __arraycount(opt_clone_brs), true);
509
510 struct pbranch opt_silent_family = PBRANCH_INITIALIZER(&opt_silent_family,
511 "optional silent family", opt_silent_family_brs,
512 __arraycount(opt_silent_family_brs), true);
513
514 struct pbranch opt_family = PBRANCH_INITIALIZER(&opt_family,
515 "opt-family", opt_family_brs, __arraycount(opt_family_brs), true);
516
517 struct piface iface_start = PIFACE_INITIALIZER(&iface_start,
518 "iface-opt-family", NULL, "if", &opt_clone.pb_parser);
519
520 struct piface iface_only = PIFACE_INITIALIZER(&iface_only, "iface",
521 media_status_exec, "if", NULL);
522
523 static struct parser *
524 init_parser(void)
525 {
526 if (parser_init(&iface_opt_family_only.pif_parser) == -1)
527 err(EXIT_FAILURE, "parser_init(iface_opt_family_only)");
528 if (parser_init(&iface_only.pif_parser) == -1)
529 err(EXIT_FAILURE, "parser_init(iface_only)");
530 if (parser_init(&iface_start.pif_parser) == -1)
531 err(EXIT_FAILURE, "parser_init(iface_start)");
532
533 return &iface_start.pif_parser;
534 }
535
536 static int
537 no_cmds_exec(prop_dictionary_t env, prop_dictionary_t xenv)
538 {
539 const char *ifname;
540 unsigned short ignore;
541
542 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */
543 if ((ifname = getifname(env)) == NULL)
544 ;
545 else if (getifflags(env, xenv, &ignore) == -1)
546 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname);
547
548 printall(ifname, env);
549 exit(EXIT_SUCCESS);
550 }
551
552 static int
553 media_status_exec(prop_dictionary_t env, prop_dictionary_t xenv)
554 {
555 const char *ifname;
556 unsigned short ignore;
557
558 /* ifname == NULL is ok. It indicates 'ifconfig -a'. */
559 if ((ifname = getifname(env)) == NULL)
560 ;
561 else if (getifflags(env, xenv, &ignore) == -1)
562 err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname);
563
564 exit(carrier(env));
565 }
566
567 int
568 main(int argc, char **argv)
569 {
570 const struct afswtch *afp;
571 int af, aflag = 0, Cflag = 0, s;
572 struct match match[32];
573 size_t nmatch;
574 struct parser *start;
575 int ch, narg = 0, rc;
576 prop_dictionary_t env, xenv;
577 const char *ifname;
578 struct ifcapreq ifcr;
579
580 memset(match, 0, sizeof(match));
581
582 start = init_parser();
583
584 /* Parse command-line options */
585 aflag = mflag = vflag = zflag = 0;
586 while ((ch = getopt(argc, argv, "AabCdhlmsuvz"
587 #ifdef INET6
588 "L"
589 #endif
590 )) != -1) {
591 switch (ch) {
592 case 'A':
593 warnx("-A is deprecated");
594 break;
595
596 case 'a':
597 aflag = 1;
598 break;
599
600 case 'b':
601 bflag = 1;
602 break;
603
604 case 'C':
605 Cflag = 1;
606 break;
607
608 case 'd':
609 dflag = 1;
610 break;
611 case 'h':
612 hflag = 1;
613 break;
614 #ifdef INET6
615 case 'L':
616 Lflag = 1;
617 break;
618 #endif
619
620 case 'l':
621 lflag = 1;
622 break;
623
624 case 'm':
625 mflag = 1;
626 break;
627
628 case 's':
629 sflag = 1;
630 break;
631
632 case 'u':
633 uflag = 1;
634 break;
635
636 case 'v':
637 vflag = 1;
638 break;
639
640 case 'z':
641 zflag = 1;
642 break;
643
644
645 default:
646 usage();
647 /* NOTREACHED */
648 }
649 switch (ch) {
650 case 'a':
651 start = &opt_family_only.pb_parser;
652 break;
653
654 #ifdef INET6
655 case 'L':
656 #endif
657 case 'm':
658 case 'v':
659 case 'z':
660 if (start != &opt_family_only.pb_parser)
661 start = &iface_opt_family_only.pif_parser;
662 break;
663 case 'C':
664 start = &cloneterm.pt_parser;
665 break;
666 case 'l':
667 start = &no_cmds.pt_parser;
668 break;
669 case 's':
670 if (start != &no_cmds.pt_parser &&
671 start != &opt_family_only.pb_parser)
672 start = &iface_only.pif_parser;
673 break;
674 default:
675 break;
676 }
677 }
678 argc -= optind;
679 argv += optind;
680
681 /*
682 * -l means "list all interfaces", and is mutally exclusive with
683 * all other flags/commands.
684 *
685 * -C means "list all names of cloners", and it mutually exclusive
686 * with all other flags/commands.
687 *
688 * -a means "print status of all interfaces".
689 */
690 if ((lflag || Cflag) && (aflag || mflag || vflag || zflag))
691 usage();
692 #ifdef INET6
693 if ((lflag || Cflag) && Lflag)
694 usage();
695 #endif
696 if (lflag && Cflag)
697 usage();
698
699 nmatch = __arraycount(match);
700
701 rc = parse(argc, argv, start, match, &nmatch, &narg);
702 if (rc != 0)
703 usage();
704
705 if ((xenv = prop_dictionary_create()) == NULL)
706 err(EXIT_FAILURE, "%s: prop_dictionary_create", __func__);
707
708 if (matches_exec(match, xenv, nmatch) == -1)
709 err(EXIT_FAILURE, "exec_matches");
710
711 argc -= narg;
712 argv += narg;
713
714 env = (nmatch > 0) ? match[(int)nmatch - 1].m_env : NULL;
715 if (env == NULL)
716 env = xenv;
717 else
718 env = prop_dictionary_augment(env, xenv);
719
720 /* Process any media commands that may have been issued. */
721 process_media_commands(env);
722
723 af = getaf(env);
724 switch (af) {
725 case AF_INET6:
726 if (prop_dictionary_get(env, "prefixlen") == NULL) {
727 /* Aggregatable address architecture defines
728 * all prefixes are 64. So, it is convenient
729 * to set prefixlen to 64 if it is not
730 * specified.
731 */
732 afp = lookup_af_bynum(af);
733 if (afp->af_getprefix != NULL)
734 (*afp->af_getprefix)(64, MASK);
735 }
736 break;
737 #ifndef INET_ONLY
738 case AF_APPLETALK:
739 checkatrange(&at_addreq.ifra_addr);
740 break;
741 #endif /* INET_ONLY */
742 default:
743 break;
744 case -1:
745 af = AF_INET;
746 break;
747 }
748
749 if ((s = getsock(af)) == -1)
750 err(EXIT_FAILURE, "%s: getsock", __func__);
751
752 if ((ifname = getifname(env)) == NULL)
753 err(EXIT_FAILURE, "%s: getifname", __func__);
754
755 if ((afp = lookup_af_bynum(af)) == NULL)
756 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__);
757
758 if (afp->af_addr_commit != NULL) {
759 (*afp->af_addr_commit)(env);
760 } else {
761 if (clearaddr) {
762 estrlcpy(afp->af_ridreq, ifname, IFNAMSIZ);
763 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1)
764 err(EXIT_FAILURE, "SIOCDIFADDR");
765 }
766 if (newaddr > 0) {
767 estrlcpy(afp->af_addreq, ifname, IFNAMSIZ);
768 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1)
769 warn("SIOCAIFADDR");
770 else if (check_up_state < 0)
771 check_up_state = 1;
772 }
773 }
774
775 do_setifpreference(env);
776 if (prop_dictionary_get(env, "ifcap") != NULL) {
777 memset(&ifcr, 0, sizeof(ifcr));
778 estrlcpy(ifcr.ifcr_name, ifname, sizeof(ifcr.ifcr_name));
779 if (ioctl(s, SIOCSIFCAP, &ifcr) == -1)
780 err(EXIT_FAILURE, "SIOCSIFCAP");
781 }
782
783 if (check_up_state == 1)
784 check_ifflags_up(ifname);
785
786 exit(EXIT_SUCCESS);
787 }
788
789 const struct afswtch *
790 lookup_af_bynum(int afnum)
791 {
792 const struct afswtch *a;
793
794 for (a = afs; a->af_name != NULL; a++)
795 if (a->af_af == afnum)
796 return (a);
797 return (NULL);
798 }
799
800 void
801 printall(const char *ifname, prop_dictionary_t env0)
802 {
803 struct ifaddrs *ifap, *ifa;
804 struct ifreq ifr;
805 const struct sockaddr_dl *sdl = NULL;
806 prop_dictionary_t env;
807 prop_string_t str;
808 int idx;
809 bool rc;
810 char *p;
811
812 if (env0 == NULL)
813 env = prop_dictionary_create();
814 else
815 env = prop_dictionary_copy_mutable(env0);
816
817 if (env == NULL)
818 errx(EXIT_FAILURE, "%s: prop_dictionary_copy/create", __func__);
819
820 if (getifaddrs(&ifap) != 0)
821 err(EXIT_FAILURE, "getifaddrs");
822 p = NULL;
823 idx = 0;
824 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
825 memset(&ifr, 0, sizeof(ifr));
826 estrlcpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name));
827 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) {
828 memcpy(&ifr.ifr_addr, ifa->ifa_addr,
829 ifa->ifa_addr->sa_len);
830 }
831
832 if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0)
833 continue;
834 if (ifa->ifa_addr->sa_family == AF_LINK)
835 sdl = (const struct sockaddr_dl *) ifa->ifa_addr;
836 if (p && strcmp(p, ifa->ifa_name) == 0)
837 continue;
838 if ((str = prop_string_create_cstring(ifa->ifa_name)) == NULL)
839 continue;
840 rc = prop_dictionary_set(env, "if", str);
841 prop_object_release((prop_object_t)str);
842 if (!rc)
843 continue;
844 p = ifa->ifa_name;
845
846 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0)
847 continue;
848 if (dflag && (ifa->ifa_flags & IFF_UP) != 0)
849 continue;
850 if (uflag && (ifa->ifa_flags & IFF_UP) == 0)
851 continue;
852
853 if (sflag && carrier(env))
854 continue;
855 idx++;
856 /*
857 * Are we just listing the interfaces?
858 */
859 if (lflag) {
860 if (idx > 1)
861 printf(" ");
862 fputs(ifa->ifa_name, stdout);
863 continue;
864 }
865
866 status(sdl, env);
867 sdl = NULL;
868 }
869 if (lflag)
870 printf("\n");
871 prop_object_release((prop_object_t)env);
872 freeifaddrs(ifap);
873 }
874
875 int
876 list_cloners(prop_dictionary_t env, prop_dictionary_t oenv)
877 {
878 struct if_clonereq ifcr;
879 char *cp, *buf;
880 int idx, s;
881
882 memset(&ifcr, 0, sizeof(ifcr));
883
884 s = getsock(AF_INET);
885
886 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
887 err(EXIT_FAILURE, "SIOCIFGCLONERS for count");
888
889 buf = malloc(ifcr.ifcr_total * IFNAMSIZ);
890 if (buf == NULL)
891 err(EXIT_FAILURE, "unable to allocate cloner name buffer");
892
893 ifcr.ifcr_count = ifcr.ifcr_total;
894 ifcr.ifcr_buffer = buf;
895
896 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
897 err(EXIT_FAILURE, "SIOCIFGCLONERS for names");
898
899 /*
900 * In case some disappeared in the mean time, clamp it down.
901 */
902 if (ifcr.ifcr_count > ifcr.ifcr_total)
903 ifcr.ifcr_count = ifcr.ifcr_total;
904
905 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) {
906 if (idx > 0)
907 printf(" ");
908 printf("%s", cp);
909 }
910
911 printf("\n");
912 free(buf);
913 exit(EXIT_SUCCESS);
914 }
915
916 static int
917 clone_command(prop_dictionary_t env, prop_dictionary_t xenv)
918 {
919 struct ifreq ifreq;
920 int cmd, s;
921 prop_number_t num;
922 const char *ifname;
923
924 num = (prop_number_t)prop_dictionary_get(env, "clonecmd");
925 if (num == NULL) {
926 errno = ENOENT;
927 return -1;
928 }
929 cmd = (int)prop_number_integer_value(num);
930
931 if ((ifname = getifname(env)) == NULL)
932 return -1;
933
934 /* We're called early... */
935 s = getsock(AF_INET);
936
937 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name));
938 if (ioctl(s, cmd, &ifreq) == -1) {
939 warn("%s", __func__);
940 return -1;
941 }
942 return 0;
943 }
944
945 /*ARGSUSED*/
946 int
947 setifaddr(prop_dictionary_t env, prop_dictionary_t xenv)
948 {
949 struct ifreq *ifr; /* XXX */
950 const struct paddr_prefix *pfx0;
951 struct paddr_prefix *pfx;
952 prop_data_t d;
953 const char *ifname;
954 int af, s;
955 const struct afswtch *afp;
956
957 if ((af = getaf(env)) == -1)
958 af = AF_INET;
959
960 if ((afp = lookup_af_bynum(af)) == NULL)
961 return -1;
962
963 d = (prop_data_t)prop_dictionary_get(env, "address");
964 assert(d != NULL);
965 pfx0 = prop_data_data_nocopy(d);
966
967 if (pfx0->pfx_len != 0) {
968 pfx = prefixlen_to_mask(af, pfx0->pfx_len);
969 if (pfx == NULL)
970 err(EXIT_FAILURE, "prefixlen_to_mask");
971
972 if (afp->af_getaddr != NULL)
973 (*afp->af_getaddr)(pfx, MASK);
974 free(pfx);
975 }
976
977 if (afp->af_addr_commit != NULL)
978 return 0;
979
980 if ((ifname = getifname(env)) == NULL)
981 return -1;
982
983 /*
984 * Delay the ioctl to set the interface addr until flags are all set.
985 * The address interpretation may depend on the flags,
986 * and the flags may change when the address is set.
987 */
988 setaddr++;
989 if (newaddr == -1)
990 newaddr = 1;
991 if (doalias == 0 && afp->af_gifaddr != 0) {
992 ifr = (struct ifreq *)afp->af_ridreq;
993 estrlcpy(ifr->ifr_name, ifname, sizeof(ifr->ifr_name));
994 ifr->ifr_addr.sa_family = af;
995
996 if ((s = getsock(af)) == -1)
997 err(EXIT_FAILURE, "getsock");
998
999 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0)
1000 clearaddr = 1;
1001 else if (errno == EADDRNOTAVAIL)
1002 /* No address was assigned yet. */
1003 ;
1004 else
1005 err(EXIT_FAILURE, "SIOCGIFADDR");
1006 }
1007
1008 #if 0
1009 int i;
1010 for (i = 0; i < pfx0->pfx_addr.sa_len; i++)
1011 printf(" %02x", ((const uint8_t *)&pfx->pfx_addr)[i]);
1012 printf("\n");
1013 #endif
1014 if (afp->af_getaddr != NULL)
1015 (*afp->af_getaddr)(pfx0, (doalias >= 0 ? ADDR : RIDADDR));
1016 return 0;
1017 }
1018
1019 int
1020 setifnetmask(prop_dictionary_t env, prop_dictionary_t xenv)
1021 {
1022 const struct paddr_prefix *pfx;
1023 prop_data_t d;
1024 int af;
1025 const struct afswtch *afp;
1026
1027 if ((af = getaf(env)) == -1)
1028 af = AF_INET;
1029
1030 if ((afp = lookup_af_bynum(af)) == NULL)
1031 return -1;
1032
1033 d = (prop_data_t)prop_dictionary_get(env, "dstormask");
1034 assert(d != NULL);
1035 pfx = prop_data_data_nocopy(d);
1036
1037 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d))
1038 return -1;
1039
1040 if (afp->af_getaddr != NULL)
1041 (*afp->af_getaddr)(pfx, MASK);
1042 return 0;
1043 }
1044
1045 int
1046 setifbroadaddr(prop_dictionary_t env, prop_dictionary_t xenv)
1047 {
1048 const struct paddr_prefix *pfx;
1049 prop_data_t d;
1050 int af;
1051 const struct afswtch *afp;
1052 unsigned short flags;
1053
1054 if ((af = getaf(env)) == -1)
1055 af = AF_INET;
1056
1057 if ((afp = lookup_af_bynum(af)) == NULL)
1058 return -1;
1059
1060 if (getifflags(env, xenv, &flags) == -1)
1061 err(EXIT_FAILURE, "%s: getifflags", __func__);
1062
1063 if ((flags & IFF_BROADCAST) == 0)
1064 errx(EXIT_FAILURE, "not a broadcast interface");
1065
1066 d = (prop_data_t)prop_dictionary_get(env, "broadcast");
1067 assert(d != NULL);
1068 pfx = prop_data_data_nocopy(d);
1069
1070 if (!prop_dictionary_set(xenv, "broadcast", (prop_object_t)d))
1071 return -1;
1072
1073 if (afp->af_getaddr != NULL)
1074 (*afp->af_getaddr)(pfx, DSTADDR);
1075
1076 return 0;
1077 }
1078
1079 #define rqtosa(__afp, __x) (&(((struct ifreq *)(__afp->__x))->ifr_addr))
1080
1081 int
1082 notealias(prop_dictionary_t env, prop_dictionary_t xenv)
1083 {
1084 bool delete;
1085 prop_bool_t b;
1086 int af;
1087 const struct afswtch *afp;
1088
1089 if ((af = getaf(env)) == -1)
1090 af = AF_INET;
1091
1092 if ((afp = lookup_af_bynum(af)) == NULL)
1093 return -1;
1094
1095 if (afp->af_addr_commit != NULL)
1096 return 0;
1097
1098 b = (prop_bool_t)prop_dictionary_get(env, "alias");
1099 if (b == NULL) {
1100 errno = ENOENT;
1101 return -1;
1102 }
1103 delete = !prop_bool_true(b);
1104 if (setaddr && doalias == 0 && delete)
1105 memcpy(rqtosa(afp, af_ridreq), rqtosa(afp, af_addreq),
1106 rqtosa(afp, af_addreq)->sa_len);
1107 doalias = delete ? -1 : 1;
1108 if (delete) {
1109 clearaddr = 1;
1110 newaddr = 0;
1111 } else {
1112 clearaddr = 0;
1113 }
1114 return 0;
1115 }
1116
1117 /*ARGSUSED*/
1118 int
1119 notrailers(prop_dictionary_t env, prop_dictionary_t xenv)
1120 {
1121 puts("Note: trailers are no longer sent, but always received");
1122 return 0;
1123 }
1124
1125 /*ARGSUSED*/
1126 int
1127 setifdstormask(prop_dictionary_t env, prop_dictionary_t xenv)
1128 {
1129 const char *key;
1130 const struct paddr_prefix *pfx;
1131 prop_data_t d;
1132 int af, which;
1133 const struct afswtch *afp;
1134 unsigned short flags;
1135
1136 if ((af = getaf(env)) == -1)
1137 af = AF_INET;
1138
1139 if ((afp = lookup_af_bynum(af)) == NULL)
1140 return -1;
1141
1142 if (getifflags(env, xenv, &flags) == -1)
1143 err(EXIT_FAILURE, "%s: getifflags", __func__);
1144
1145 d = (prop_data_t)prop_dictionary_get(env, "dstormask");
1146 assert(d != NULL);
1147 pfx = prop_data_data_nocopy(d);
1148
1149 if ((flags & IFF_BROADCAST) == 0) {
1150 key = "dst";
1151 which = DSTADDR;
1152 } else {
1153 key = "netmask";
1154 which = MASK;
1155 }
1156
1157 if (!prop_dictionary_set(xenv, key, (prop_object_t)d))
1158 return -1;
1159
1160 if (afp->af_getaddr != NULL)
1161 (*afp->af_getaddr)(pfx, which);
1162 return 0;
1163 }
1164
1165 void
1166 check_ifflags_up(const char *ifname)
1167 {
1168 struct ifreq ifreq;
1169 int s;
1170
1171 s = getsock(AF_UNSPEC);
1172
1173 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name));
1174 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1)
1175 err(EXIT_FAILURE, "SIOCGIFFLAGS");
1176 if (ifreq.ifr_flags & IFF_UP)
1177 return;
1178 ifreq.ifr_flags |= IFF_UP;
1179 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1)
1180 err(EXIT_FAILURE, "SIOCSIFFLAGS");
1181 }
1182
1183 int
1184 setifflags(prop_dictionary_t env, prop_dictionary_t xenv)
1185 {
1186 struct ifreq ifreq;
1187 int ifflag, s;
1188 prop_number_t num;
1189 const char *ifname;
1190
1191 s = getsock(AF_INET);
1192
1193 num = (prop_number_t)prop_dictionary_get(env, "ifflag");
1194 assert(num != NULL);
1195 if ((ifname = getifname(env)) == NULL)
1196 return -1;
1197
1198 estrlcpy(ifreq.ifr_name, ifname, sizeof(ifreq.ifr_name));
1199 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1)
1200 return -1;
1201
1202 ifflag = (int)prop_number_integer_value(num);
1203
1204 if (ifflag < 0) {
1205 ifflag = -ifflag;
1206 if (ifflag == IFF_UP)
1207 check_up_state = 0;
1208 ifreq.ifr_flags &= ~ifflag;
1209 } else
1210 ifreq.ifr_flags |= ifflag;
1211
1212 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1)
1213 return -1;
1214
1215 return 0;
1216 }
1217
1218 static int
1219 getifcaps(prop_dictionary_t env, prop_dictionary_t oenv, struct ifcapreq *oifcr)
1220 {
1221 const char *ifname;
1222 bool rc;
1223 int s;
1224 struct ifcapreq ifcr;
1225 const struct ifcapreq *tmpifcr;
1226 prop_data_t capdata;
1227
1228 if ((s = getsock(AF_UNSPEC)) == -1)
1229 return -1;
1230
1231 if ((ifname = getifname(env)) == NULL)
1232 return -1;
1233
1234 capdata = (prop_data_t)prop_dictionary_get(env, "ifcaps");
1235
1236 if (capdata != NULL) {
1237 tmpifcr = prop_data_data_nocopy(capdata);
1238 *oifcr = *tmpifcr;
1239 return 0;
1240 }
1241
1242 estrlcpy(ifcr.ifcr_name, ifname, sizeof(ifcr.ifcr_name));
1243 (void)ioctl(s, SIOCGIFCAP, &ifcr);
1244 *oifcr = ifcr;
1245
1246 capdata = prop_data_create_data(&ifcr, sizeof(ifcr));
1247
1248 rc = prop_dictionary_set(oenv, "ifcaps", capdata);
1249
1250 prop_object_release((prop_object_t)capdata);
1251
1252 if (!rc)
1253 return -1;
1254
1255 return 0;
1256 }
1257
1258 static int
1259 setifcaps(prop_dictionary_t env, prop_dictionary_t oenv)
1260 {
1261 int ifcap, s;
1262 prop_number_t num;
1263 prop_data_t capdata;
1264 const char *ifname;
1265 struct ifcapreq ifcr;
1266
1267 s = getsock(AF_INET);
1268
1269 num = (prop_number_t)prop_dictionary_get(env, "ifcap");
1270 assert(num != NULL);
1271 if ((ifname = getifname(env)) == NULL)
1272 return -1;
1273 ifcap = (int)prop_number_integer_value(num);
1274
1275 if (getifcaps(env, oenv, &ifcr) == -1)
1276 return -1;
1277
1278 if (ifcap < 0) {
1279 ifcap = -ifcap;
1280 ifcr.ifcr_capenable &= ~ifcap;
1281 } else
1282 ifcr.ifcr_capenable |= ifcap;
1283
1284 if ((capdata = prop_data_create_data(&ifcr, sizeof(ifcr))) == NULL)
1285 return -1;
1286
1287 if (!prop_dictionary_set(oenv, "ifcaps", capdata))
1288 return -1;
1289
1290 return 0;
1291 }
1292
1293 static int
1294 setifmetric(prop_dictionary_t env, prop_dictionary_t xenv)
1295 {
1296 struct ifreq ifr;
1297 prop_number_t num;
1298 const char *ifname;
1299 int s;
1300
1301 if ((s = getsock(AF_UNSPEC)) == -1)
1302 return -1;
1303
1304 if ((ifname = getifname(env)) == NULL)
1305 return -1;
1306
1307 num = (prop_number_t)prop_dictionary_get(env, "metric");
1308 assert(num != NULL);
1309
1310 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1311 ifr.ifr_metric = (int)prop_number_integer_value(num);
1312 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1)
1313 warn("SIOCSIFMETRIC");
1314 return 0;
1315 }
1316
1317 static void
1318 do_setifpreference(prop_dictionary_t env)
1319 {
1320 prop_number_t num;
1321 struct if_addrprefreq ifap;
1322 int af, s;
1323 const char *ifname;
1324 const struct afswtch *afp;
1325 prop_data_t d;
1326 const struct paddr_prefix *pfx;
1327
1328 if ((af = getaf(env)) == -1)
1329 af = AF_INET;
1330
1331 if ((afp = lookup_af_bynum(af)) == NULL)
1332 errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__);
1333
1334 num = (prop_number_t)prop_dictionary_get(env, "preference");
1335 if (num == NULL)
1336 return;
1337
1338 d = (prop_data_t)prop_dictionary_get(env, "address");
1339 assert(d != NULL);
1340
1341 pfx = prop_data_data_nocopy(d);
1342
1343 s = getsock(AF_UNSPEC);
1344
1345 if ((ifname = getifname(env)) == NULL)
1346 err(EXIT_FAILURE, "%s: getifname", __func__);
1347
1348 strlcpy(ifap.ifap_name, ifname, sizeof(ifap.ifap_name));
1349 ifap.ifap_preference = (int16_t)prop_number_integer_value(num);
1350 memcpy(&ifap.ifap_addr, &pfx->pfx_addr,
1351 MIN(sizeof(ifap.ifap_addr), pfx->pfx_addr.sa_len));
1352 if (ioctl(s, SIOCSIFADDRPREF, &ifap) == -1)
1353 warn("SIOCSIFADDRPREF");
1354 }
1355
1356 static int
1357 setifmtu(prop_dictionary_t env, prop_dictionary_t xenv)
1358 {
1359 prop_number_t num;
1360 const char *ifname;
1361 struct ifreq ifr;
1362 int s;
1363
1364 if ((s = getsock(AF_UNSPEC)) == -1)
1365 return -1;
1366
1367 if ((ifname = getifname(env)) == NULL)
1368 return -1;
1369
1370 num = (prop_number_t)prop_dictionary_get(env, "mtu");
1371 assert(num != NULL);
1372
1373 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1374 ifr.ifr_mtu = (int)prop_number_integer_value(num);
1375 if (ioctl(s, SIOCSIFMTU, &ifr) == -1)
1376 warn("SIOCSIFMTU");
1377
1378 return 0;
1379 }
1380
1381 static void
1382 media_error(int type, const char *val, const char *opt)
1383 {
1384 errx(EXIT_FAILURE, "unknown %s media %s: %s",
1385 get_media_type_string(type), opt, val);
1386 }
1387
1388 void
1389 init_current_media(prop_dictionary_t env, prop_dictionary_t oenv)
1390 {
1391 struct ifmediareq ifmr;
1392 prop_bool_t b;
1393 int s;
1394 const char *ifname;
1395
1396 if ((s = getsock(AF_UNSPEC)) == -1)
1397 err(EXIT_FAILURE, "%s: getsock", __func__);
1398
1399 if ((ifname = getifname(env)) == NULL)
1400 err(EXIT_FAILURE, "%s: getifname", __func__);
1401
1402 /*
1403 * If we have not yet done so, grab the currently-selected
1404 * media.
1405 */
1406
1407 if (prop_dictionary_get(env, "initmedia") == NULL) {
1408 memset(&ifmr, 0, sizeof(ifmr));
1409 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
1410
1411 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) {
1412 /*
1413 * If we get E2BIG, the kernel is telling us
1414 * that there are more, so we can ignore it.
1415 */
1416 if (errno != E2BIG)
1417 err(EXIT_FAILURE, "SIOCGIFMEDIA");
1418 }
1419
1420 if ((b = prop_bool_create(true)) == NULL)
1421 err(EXIT_FAILURE, "%s: prop_bool_create", __func__);
1422
1423 if (!prop_dictionary_set(oenv, "initmedia", (prop_object_t)b))
1424 err(EXIT_FAILURE, "%s: prop_dictionary_set", __func__);
1425 prop_object_release((prop_object_t)b);
1426 media_current = ifmr.ifm_current;
1427 }
1428
1429 /* Sanity. */
1430 if (IFM_TYPE(media_current) == 0)
1431 errx(EXIT_FAILURE, "%s: no link type?", ifname);
1432 }
1433
1434 void
1435 process_media_commands(prop_dictionary_t env)
1436 {
1437 struct ifreq ifr;
1438 const char *ifname;
1439 int s;
1440
1441 if ((s = getsock(AF_UNSPEC)) == -1)
1442 err(EXIT_FAILURE, "%s: getsock", __func__);
1443
1444 if (prop_dictionary_get(env, "media") == NULL &&
1445 prop_dictionary_get(env, "mediaopt") == NULL &&
1446 prop_dictionary_get(env, "unmediaopt") == NULL &&
1447 prop_dictionary_get(env, "mediamode") == NULL) {
1448 /* Nothing to do. */
1449 return;
1450 }
1451
1452 if ((ifname = getifname(env)) == NULL)
1453 err(EXIT_FAILURE, "%s: getifname", __func__);
1454
1455 /*
1456 * Media already set up, and commands sanity-checked. Set/clear
1457 * any options, and we're ready to go.
1458 */
1459 media_current |= mediaopt_set;
1460 media_current &= ~mediaopt_clear;
1461
1462 memset(&ifr, 0, sizeof(ifr));
1463 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1464 ifr.ifr_media = media_current;
1465
1466 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1)
1467 err(EXIT_FAILURE, "SIOCSIFMEDIA");
1468 }
1469
1470 int
1471 setmedia(prop_dictionary_t env, prop_dictionary_t xenv)
1472 {
1473 int type, subtype, inst;
1474 prop_data_t data;
1475 char *val;
1476
1477 init_current_media(env, xenv);
1478
1479 data = (prop_data_t)prop_dictionary_get(env, "media");
1480 assert(data != NULL);
1481
1482 /* Only one media command may be given. */
1483 /* Must not come after mode commands */
1484 /* Must not come after mediaopt commands */
1485
1486 /*
1487 * No need to check if `instance' has been issued; setmediainst()
1488 * craps out if `media' has not been specified.
1489 */
1490
1491 type = IFM_TYPE(media_current);
1492 inst = IFM_INST(media_current);
1493
1494 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1495 if (val == NULL)
1496 return -1;
1497
1498 /* Look up the subtype. */
1499 subtype = get_media_subtype(type, val);
1500 if (subtype == -1)
1501 media_error(type, val, "subtype");
1502
1503 /* Build the new current media word. */
1504 media_current = IFM_MAKEWORD(type, subtype, 0, inst);
1505
1506 /* Media will be set after other processing is complete. */
1507 return 0;
1508 }
1509
1510 int
1511 setmediaopt(prop_dictionary_t env, prop_dictionary_t xenv)
1512 {
1513 char *invalid;
1514 prop_data_t data;
1515 char *val;
1516
1517 init_current_media(env, xenv);
1518
1519 data = (prop_data_t)prop_dictionary_get(env, "mediaopt");
1520 assert(data != NULL);
1521
1522 /* Can only issue `mediaopt' once. */
1523 /* Can't issue `mediaopt' if `instance' has already been issued. */
1524
1525 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1526 if (val == NULL)
1527 return -1;
1528
1529 mediaopt_set = get_media_options(media_current, val, &invalid);
1530 free(val);
1531 if (mediaopt_set == -1)
1532 media_error(media_current, invalid, "option");
1533
1534 /* Media will be set after other processing is complete. */
1535 return 0;
1536 }
1537
1538 int
1539 unsetmediaopt(prop_dictionary_t env, prop_dictionary_t xenv)
1540 {
1541 char *invalid, *val;
1542 prop_data_t data;
1543
1544 init_current_media(env, xenv);
1545
1546 data = (prop_data_t)prop_dictionary_get(env, "unmediaopt");
1547 if (data == NULL) {
1548 errno = ENOENT;
1549 return -1;
1550 }
1551
1552 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1553 if (val == NULL)
1554 return -1;
1555
1556 /*
1557 * No need to check for A_MEDIAINST, since the test for A_MEDIA
1558 * implicitly checks for A_MEDIAINST.
1559 */
1560
1561 mediaopt_clear = get_media_options(media_current, val, &invalid);
1562 free(val);
1563 if (mediaopt_clear == -1)
1564 media_error(media_current, invalid, "option");
1565
1566 /* Media will be set after other processing is complete. */
1567 return 0;
1568 }
1569
1570 int
1571 setmediainst(prop_dictionary_t env, prop_dictionary_t xenv)
1572 {
1573 int type, subtype, options, inst;
1574 prop_number_t num;
1575
1576 init_current_media(env, xenv);
1577
1578 num = (prop_number_t)prop_dictionary_get(env, "mediainst");
1579 assert(num != NULL);
1580
1581 /* Can only issue `instance' once. */
1582 /* Must have already specified `media' */
1583
1584 type = IFM_TYPE(media_current);
1585 subtype = IFM_SUBTYPE(media_current);
1586 options = IFM_OPTIONS(media_current);
1587
1588 inst = (int)prop_number_integer_value(num);
1589
1590 media_current = IFM_MAKEWORD(type, subtype, options, inst);
1591
1592 /* Media will be set after other processing is complete. */
1593 return 0;
1594 }
1595
1596 int
1597 setmediamode(prop_dictionary_t env, prop_dictionary_t xenv)
1598 {
1599 int type, subtype, options, inst, mode;
1600 prop_data_t data;
1601 char *val;
1602
1603 init_current_media(env, xenv);
1604
1605 data = (prop_data_t)prop_dictionary_get(env, "mediamode");
1606 assert(data != NULL);
1607
1608 type = IFM_TYPE(media_current);
1609 subtype = IFM_SUBTYPE(media_current);
1610 options = IFM_OPTIONS(media_current);
1611 inst = IFM_INST(media_current);
1612
1613 val = strndup(prop_data_data_nocopy(data), prop_data_size(data));
1614 if (val == NULL)
1615 return -1;
1616
1617 mode = get_media_mode(type, val);
1618 if (mode == -1)
1619 media_error(type, val, "mode");
1620
1621 free(val);
1622
1623 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode;
1624
1625 /* Media will be set after other processing is complete. */
1626 return 0;
1627 }
1628
1629 void
1630 print_media_word(int ifmw, const char *opt_sep)
1631 {
1632 const char *str;
1633
1634 printf("%s", get_media_subtype_string(ifmw));
1635
1636 /* Find mode. */
1637 if (IFM_MODE(ifmw) != 0) {
1638 str = get_media_mode_string(ifmw);
1639 if (str != NULL)
1640 printf(" mode %s", str);
1641 }
1642
1643 /* Find options. */
1644 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",")
1645 printf("%s%s", opt_sep, str);
1646
1647 if (IFM_INST(ifmw) != 0)
1648 printf(" instance %d", IFM_INST(ifmw));
1649 }
1650
1651 int
1652 carrier(prop_dictionary_t env)
1653 {
1654 struct ifmediareq ifmr;
1655 int s;
1656 const char *ifname;
1657
1658 if ((s = getsock(AF_UNSPEC)) == -1)
1659 err(EXIT_FAILURE, "%s: getsock", __func__);
1660
1661 if ((ifname = getifname(env)) == NULL)
1662 err(EXIT_FAILURE, "%s: getifname", __func__);
1663
1664 (void) memset(&ifmr, 0, sizeof(ifmr));
1665 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
1666
1667 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) {
1668 /*
1669 * Interface doesn't support SIOC{G,S}IFMEDIA;
1670 * assume ok.
1671 */
1672 return EXIT_SUCCESS;
1673 }
1674 if ((ifmr.ifm_status & IFM_AVALID) == 0) {
1675 /*
1676 * Interface doesn't report media-valid status.
1677 * assume ok.
1678 */
1679 return EXIT_SUCCESS;
1680 }
1681 /* otherwise, return ok for active, not-ok if not active. */
1682 if (ifmr.ifm_status & IFM_ACTIVE)
1683 return EXIT_SUCCESS;
1684 else
1685 return EXIT_FAILURE;
1686 }
1687
1688 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST;
1689
1690 const struct ifmedia_status_description ifm_status_descriptions[] =
1691 IFM_STATUS_DESCRIPTIONS;
1692
1693 /*
1694 * Print the status of the interface. If an address family was
1695 * specified, show it and it only; otherwise, show them all.
1696 */
1697 void
1698 status(const struct sockaddr_dl *sdl, prop_dictionary_t env)
1699 {
1700 struct ifmediareq ifmr;
1701 struct ifdatareq ifdr;
1702 struct ifreq ifr;
1703 int *media_list, i;
1704 char hbuf[NI_MAXHOST];
1705 char fbuf[BUFSIZ];
1706 int af, s;
1707 const char *ifname;
1708 struct ifcapreq ifcr;
1709 unsigned short flags;
1710 const struct afswtch *afp;
1711
1712 if ((s = getsock(AF_UNSPEC)) == -1)
1713 err(EXIT_FAILURE, "%s: getsock", __func__);
1714
1715 if ((ifname = getifinfo(env, env, &flags)) == NULL)
1716 err(EXIT_FAILURE, "%s: getifinfo", __func__);
1717
1718 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags);
1719 printf("%s: flags=%s", ifname, &fbuf[2]);
1720
1721 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1722 if (ioctl(s, SIOCGIFMETRIC, &ifr) == -1)
1723 warn("SIOCGIFMETRIC %s", ifr.ifr_name);
1724 else if (ifr.ifr_metric != 0)
1725 printf(" metric %d", ifr.ifr_metric);
1726
1727 estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
1728 if (ioctl(s, SIOCGIFMTU, &ifr) != -1 && ifr.ifr_mtu != 0)
1729 printf(" mtu %d", ifr.ifr_mtu);
1730 printf("\n");
1731
1732 if (getifcaps(env, env, &ifcr) == -1)
1733 err(EXIT_FAILURE, "%s: getifcaps", __func__);
1734
1735 if (ifcr.ifcr_capabilities != 0) {
1736 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS,
1737 ifcr.ifcr_capabilities);
1738 printf("\tcapabilities=%s\n", &fbuf[2]);
1739 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS,
1740 ifcr.ifcr_capenable);
1741 printf("\tenabled=%s\n", &fbuf[2]);
1742 }
1743
1744 ieee80211_status(env);
1745 vlan_status(env);
1746 #ifndef INET_ONLY
1747 carp_status(env);
1748 #endif
1749 tunnel_status(env);
1750 agr_status(env);
1751
1752 if (sdl != NULL &&
1753 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len,
1754 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 &&
1755 hbuf[0] != '\0')
1756 printf("\taddress: %s\n", hbuf);
1757
1758 (void) memset(&ifmr, 0, sizeof(ifmr));
1759 estrlcpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
1760
1761 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) {
1762 /*
1763 * Interface doesn't support SIOC{G,S}IFMEDIA.
1764 */
1765 goto iface_stats;
1766 }
1767
1768 if (ifmr.ifm_count == 0) {
1769 warnx("%s: no media types?", ifname);
1770 goto iface_stats;
1771 }
1772
1773 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));
1774 if (media_list == NULL)
1775 err(EXIT_FAILURE, "malloc");
1776 ifmr.ifm_ulist = media_list;
1777
1778 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1)
1779 err(EXIT_FAILURE, "SIOCGIFMEDIA");
1780
1781 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current));
1782 print_media_word(ifmr.ifm_current, " ");
1783 if (ifmr.ifm_active != ifmr.ifm_current) {
1784 printf(" (");
1785 print_media_word(ifmr.ifm_active, " ");
1786 printf(")");
1787 }
1788 printf("\n");
1789
1790 if (ifmr.ifm_status & IFM_STATUS_VALID) {
1791 const struct ifmedia_status_description *ifms;
1792 int bitno, found = 0;
1793
1794 printf("\tstatus: ");
1795 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) {
1796 for (ifms = ifm_status_descriptions;
1797 ifms->ifms_valid != 0; ifms++) {
1798 if (ifms->ifms_type !=
1799 IFM_TYPE(ifmr.ifm_current) ||
1800 ifms->ifms_valid !=
1801 ifm_status_valid_list[bitno])
1802 continue;
1803 printf("%s%s", found ? ", " : "",
1804 IFM_STATUS_DESC(ifms, ifmr.ifm_status));
1805 found = 1;
1806
1807 /*
1808 * For each valid indicator bit, there's
1809 * only one entry for each media type, so
1810 * terminate the inner loop now.
1811 */
1812 break;
1813 }
1814 }
1815
1816 if (found == 0)
1817 printf("unknown");
1818 printf("\n");
1819 }
1820
1821 if (mflag) {
1822 int type, printed_type;
1823
1824 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) {
1825 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) {
1826 if (IFM_TYPE(media_list[i]) != type)
1827 continue;
1828 if (printed_type == 0) {
1829 printf("\tsupported %s media:\n",
1830 get_media_type_string(type));
1831 printed_type = 1;
1832 }
1833 printf("\t\tmedia ");
1834 print_media_word(media_list[i], " mediaopt ");
1835 printf("\n");
1836 }
1837 }
1838 }
1839
1840 free(media_list);
1841
1842 iface_stats:
1843 if (!vflag && !zflag)
1844 goto proto_status;
1845
1846 estrlcpy(ifdr.ifdr_name, ifname, sizeof(ifdr.ifdr_name));
1847
1848 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) {
1849 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA");
1850 } else {
1851 struct if_data * const ifi = &ifdr.ifdr_data;
1852 char buf[5];
1853
1854 #define PLURAL(n) ((n) == 1 ? "" : "s")
1855 #define PLURALSTR(s) ((atof(s)) == 1.0 ? "" : "s")
1856 printf("\tinput: %llu packet%s, ",
1857 (unsigned long long) ifi->ifi_ipackets,
1858 PLURAL(ifi->ifi_ipackets));
1859 if (hflag) {
1860 (void) humanize_number(buf, sizeof(buf),
1861 (int64_t) ifi->ifi_ibytes, "", HN_AUTOSCALE,
1862 HN_NOSPACE | HN_DECIMAL);
1863 printf("%s byte%s", buf,
1864 PLURALSTR(buf));
1865 } else
1866 printf("%llu byte%s",
1867 (unsigned long long) ifi->ifi_ibytes,
1868 PLURAL(ifi->ifi_ibytes));
1869 if (ifi->ifi_imcasts)
1870 printf(", %llu multicast%s",
1871 (unsigned long long) ifi->ifi_imcasts,
1872 PLURAL(ifi->ifi_imcasts));
1873 if (ifi->ifi_ierrors)
1874 printf(", %llu error%s",
1875 (unsigned long long) ifi->ifi_ierrors,
1876 PLURAL(ifi->ifi_ierrors));
1877 if (ifi->ifi_iqdrops)
1878 printf(", %llu queue drop%s",
1879 (unsigned long long) ifi->ifi_iqdrops,
1880 PLURAL(ifi->ifi_iqdrops));
1881 if (ifi->ifi_noproto)
1882 printf(", %llu unknown protocol",
1883 (unsigned long long) ifi->ifi_noproto);
1884 printf("\n\toutput: %llu packet%s, ",
1885 (unsigned long long) ifi->ifi_opackets,
1886 PLURAL(ifi->ifi_opackets));
1887 if (hflag) {
1888 (void) humanize_number(buf, sizeof(buf),
1889 (int64_t) ifi->ifi_obytes, "", HN_AUTOSCALE,
1890 HN_NOSPACE | HN_DECIMAL);
1891 printf("%s byte%s", buf,
1892 PLURALSTR(buf));
1893 } else
1894 printf("%llu byte%s",
1895 (unsigned long long) ifi->ifi_obytes,
1896 PLURAL(ifi->ifi_obytes));
1897 if (ifi->ifi_omcasts)
1898 printf(", %llu multicast%s",
1899 (unsigned long long) ifi->ifi_omcasts,
1900 PLURAL(ifi->ifi_omcasts));
1901 if (ifi->ifi_oerrors)
1902 printf(", %llu error%s",
1903 (unsigned long long) ifi->ifi_oerrors,
1904 PLURAL(ifi->ifi_oerrors));
1905 if (ifi->ifi_collisions)
1906 printf(", %llu collision%s",
1907 (unsigned long long) ifi->ifi_collisions,
1908 PLURAL(ifi->ifi_collisions));
1909 printf("\n");
1910 #undef PLURAL
1911 #undef PLURALSTR
1912 }
1913
1914 ieee80211_statistics(env);
1915
1916 proto_status:
1917 if ((af = getaf(env)) == -1)
1918 afp = NULL;
1919 else
1920 afp = lookup_af_bynum(af);
1921
1922 if (afp != NULL)
1923 (*afp->af_status)(env, env, 1);
1924 else for (afp = afs; afp->af_name != NULL; afp++)
1925 (*afp->af_status)(env, env, 0);
1926 }
1927
1928 int
1929 setifprefixlen(prop_dictionary_t env, prop_dictionary_t xenv)
1930 {
1931 const char *ifname;
1932 prop_number_t num;
1933 int af;
1934 const struct afswtch *afp;
1935 unsigned short flags;
1936 struct paddr_prefix *pfx;
1937 prop_data_t d;
1938
1939 if ((af = getaf(env)) == -1)
1940 af = AF_INET;
1941
1942 if ((afp = lookup_af_bynum(af)) == NULL)
1943 return -1;
1944
1945 if ((ifname = getifinfo(env, xenv, &flags)) == NULL)
1946 err(EXIT_FAILURE, "getifinfo");
1947
1948 num = (prop_number_t)prop_dictionary_get(env, "prefixlen");
1949 assert(num != NULL);
1950
1951 pfx = prefixlen_to_mask(af, (int)prop_number_integer_value(num));
1952 if (pfx == NULL)
1953 err(EXIT_FAILURE, "prefixlen_to_mask");
1954
1955 d = prop_data_create_data(pfx,
1956 offsetof(struct paddr_prefix, pfx_addr) + pfx->pfx_addr.sa_len);
1957 if (d == NULL)
1958 err(EXIT_FAILURE, "%s: prop_data_create_data", __func__);
1959
1960 if (!prop_dictionary_set(xenv, "netmask", (prop_object_t)d))
1961 err(EXIT_FAILURE, "%s: prop_dictionary_set", __func__);
1962
1963 if (afp->af_getaddr != NULL)
1964 (*afp->af_getaddr)(pfx, MASK);
1965
1966 free(pfx);
1967 return 0;
1968 }
1969
1970 void
1971 usage(void)
1972 {
1973 const char *progname = getprogname();
1974
1975 fprintf(stderr,
1976 "usage: %s [-h] [-m] [-v] [-z] "
1977 #ifdef INET6
1978 "[-L] "
1979 #endif
1980 "interface\n"
1981 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n"
1982 "\t\t[ alias | -alias ] ]\n"
1983 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n"
1984 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n"
1985 "\t[ list scan ]\n"
1986 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n"
1987 "\t[ hidessid | -hidessid ] [ apbridge | -apbridge ]\n"
1988 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n"
1989 "\t[ arp | -arp ]\n"
1990 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] "
1991 "[ instance minst ]\n"
1992 "\t[ preference n ]\n"
1993 "\t[ vlan n vlanif i ]\n"
1994 "\t[ agrport i ] [ -agrport i ]\n"
1995 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n"
1996 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n"
1997 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n"
1998 " %s -a [-b] [-h] [-m] [-d] [-u] [-v] [-z] [ af ]\n"
1999 " %s -l [-b] [-d] [-u] [-s]\n"
2000 " %s -C\n"
2001 " %s interface create\n"
2002 " %s interface destroy\n",
2003 progname, progname, progname, progname, progname, progname);
2004 exit(EXIT_FAILURE);
2005 }
2006