ifconfig.c revision 1.111 1 /* $NetBSD: ifconfig.c,v 1.111 2001/07/31 23:27:35 itojun 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 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * Copyright (c) 1983, 1993
42 * The Regents of the University of California. All rights reserved.
43 *
44 * Redistribution and use in source and binary forms, with or without
45 * modification, are permitted provided that the following conditions
46 * are met:
47 * 1. Redistributions of source code must retain the above copyright
48 * notice, this list of conditions and the following disclaimer.
49 * 2. Redistributions in binary form must reproduce the above copyright
50 * notice, this list of conditions and the following disclaimer in the
51 * documentation and/or other materials provided with the distribution.
52 * 3. All advertising materials mentioning features or use of this software
53 * must display the following acknowledgement:
54 * This product includes software developed by the University of
55 * California, Berkeley and its contributors.
56 * 4. Neither the name of the University nor the names of its contributors
57 * may be used to endorse or promote products derived from this software
58 * without specific prior written permission.
59 *
60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
70 * SUCH DAMAGE.
71 */
72
73 #include <sys/cdefs.h>
74 #ifndef lint
75 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\
76 The Regents of the University of California. All rights reserved.\n");
77 #endif /* not lint */
78
79 #ifndef lint
80 #if 0
81 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94";
82 #else
83 __RCSID("$NetBSD: ifconfig.c,v 1.111 2001/07/31 23:27:35 itojun Exp $");
84 #endif
85 #endif /* not lint */
86
87 #include <sys/param.h>
88 #include <sys/socket.h>
89 #include <sys/ioctl.h>
90
91 #include <net/if.h>
92 #include <net/if_dl.h>
93 #include <net/if_media.h>
94 #include <net/if_ether.h>
95 #include <net/if_ieee80211.h>
96 #include <net/if_vlanvar.h>
97 #include <netinet/in.h>
98 #include <netinet/in_var.h>
99 #ifdef INET6
100 #include <netinet6/nd6.h>
101 #endif
102 #include <arpa/inet.h>
103
104 #include <netatalk/at.h>
105
106 #define NSIP
107 #include <netns/ns.h>
108 #include <netns/ns_if.h>
109 #include <netdb.h>
110
111 #define EON
112 #include <netiso/iso.h>
113 #include <netiso/iso_var.h>
114 #include <sys/protosw.h>
115
116 #include <ctype.h>
117 #include <err.h>
118 #include <errno.h>
119 #include <stddef.h>
120 #include <stdio.h>
121 #include <stdlib.h>
122 #include <string.h>
123 #include <unistd.h>
124 #include <ifaddrs.h>
125
126 struct ifreq ifr, ridreq;
127 struct ifaliasreq addreq __attribute__((aligned(4)));
128 #ifdef INET6
129 struct in6_ifreq ifr6;
130 struct in6_ifreq in6_ridreq;
131 struct in6_aliasreq in6_addreq __attribute__((aligned(4)));
132 #endif
133 struct iso_ifreq iso_ridreq;
134 struct iso_aliasreq iso_addreq;
135 struct sockaddr_in netmask;
136 struct netrange at_nr; /* AppleTalk net range */
137
138 char name[30];
139 int flags, metric, mtu, setaddr, setipdst, doalias;
140 int clearaddr, s;
141 int newaddr = -1;
142 int nsellength = 1;
143 int af;
144 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag;
145 #ifdef INET6
146 int Lflag;
147 #endif
148 int reset_if_flags;
149 int explicit_prefix = 0;
150 u_int vlan_tag = (u_int)-1;
151
152 struct ifcapreq g_ifcr;
153 int g_ifcr_updated;
154
155 void notealias __P((const char *, int));
156 void notrailers __P((const char *, int));
157 void setifaddr __P((const char *, int));
158 void setifdstaddr __P((const char *, int));
159 void setifflags __P((const char *, int));
160 void setifcaps __P((const char *, int));
161 void setifbroadaddr __P((const char *, int));
162 void setifipdst __P((const char *, int));
163 void setifmetric __P((const char *, int));
164 void setifmtu __P((const char *, int));
165 void setifnwid __P((const char *, int));
166 void setifnwkey __P((const char *, int));
167 void setifpowersave __P((const char *, int));
168 void setifpowersavesleep __P((const char *, int));
169 void setifnetmask __P((const char *, int));
170 void setifprefixlen __P((const char *, int));
171 void setnsellength __P((const char *, int));
172 void setsnpaoffset __P((const char *, int));
173 void setatrange __P((const char *, int));
174 void setatphase __P((const char *, int));
175 void settunnel __P((const char *, const char *));
176 void deletetunnel __P((const char *, int));
177 #ifdef INET6
178 void setia6flags __P((const char *, int));
179 void setia6pltime __P((const char *, int));
180 void setia6vltime __P((const char *, int));
181 void setia6lifetime __P((const char *, const char *));
182 #endif
183 void checkatrange __P ((struct sockaddr_at *));
184 void setmedia __P((const char *, int));
185 void setmediaopt __P((const char *, int));
186 void unsetmediaopt __P((const char *, int));
187 void setmediainst __P((const char *, int));
188 void clone_create __P((const char *, int));
189 void clone_destroy __P((const char *, int));
190 void fixnsel __P((struct sockaddr_iso *));
191 void setvlan __P((const char *, int));
192 void setvlanif __P((const char *, int));
193 void unsetvlanif __P((const char *, int));
194 int main __P((int, char *[]));
195
196 /*
197 * Media stuff. Whenever a media command is first performed, the
198 * currently select media is grabbed for this interface. If `media'
199 * is given, the current media word is modifed. `mediaopt' commands
200 * only modify the set and clear words. They then operate on the
201 * current media word later.
202 */
203 int media_current;
204 int mediaopt_set;
205 int mediaopt_clear;
206
207 int actions; /* Actions performed */
208
209 #define A_MEDIA 0x0001 /* media command */
210 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */
211 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */
212 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR)
213 #define A_MEDIAINST 0x0008 /* instance or inst command */
214
215 #define NEXTARG 0xffffff
216 #define NEXTARG2 0xfffffe
217
218 const struct cmd {
219 const char *c_name;
220 int c_parameter; /* NEXTARG means next argv */
221 int c_action; /* defered action */
222 void (*c_func) __P((const char *, int));
223 void (*c_func2) __P((const char *, const char *));
224 } cmds[] = {
225 { "up", IFF_UP, 0, setifflags } ,
226 { "down", -IFF_UP, 0, setifflags },
227 { "trailers", -1, 0, notrailers },
228 { "-trailers", 1, 0, notrailers },
229 { "arp", -IFF_NOARP, 0, setifflags },
230 { "-arp", IFF_NOARP, 0, setifflags },
231 { "debug", IFF_DEBUG, 0, setifflags },
232 { "-debug", -IFF_DEBUG, 0, setifflags },
233 { "alias", IFF_UP, 0, notealias },
234 { "-alias", -IFF_UP, 0, notealias },
235 { "delete", -IFF_UP, 0, notealias },
236 #ifdef notdef
237 #define EN_SWABIPS 0x1000
238 { "swabips", EN_SWABIPS, 0, setifflags },
239 { "-swabips", -EN_SWABIPS, 0, setifflags },
240 #endif
241 { "netmask", NEXTARG, 0, setifnetmask },
242 { "metric", NEXTARG, 0, setifmetric },
243 { "mtu", NEXTARG, 0, setifmtu },
244 { "nwid", NEXTARG, 0, setifnwid },
245 { "nwkey", NEXTARG, 0, setifnwkey },
246 { "-nwkey", -1, 0, setifnwkey },
247 { "powersave", 1, 0, setifpowersave },
248 { "-powersave", 0, 0, setifpowersave },
249 { "powersavesleep", NEXTARG, 0, setifpowersavesleep },
250 { "broadcast", NEXTARG, 0, setifbroadaddr },
251 { "ipdst", NEXTARG, 0, setifipdst },
252 { "prefixlen", NEXTARG, 0, setifprefixlen},
253 #ifdef INET6
254 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags },
255 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags },
256 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags },
257 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags },
258 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags },
259 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags },
260 { "pltime", NEXTARG, 0, setia6pltime },
261 { "vltime", NEXTARG, 0, setia6vltime },
262 #endif /*INET6*/
263 #ifndef INET_ONLY
264 { "range", NEXTARG, 0, setatrange },
265 { "phase", NEXTARG, 0, setatphase },
266 { "snpaoffset", NEXTARG, 0, setsnpaoffset },
267 { "nsellength", NEXTARG, 0, setnsellength },
268 #endif /* INET_ONLY */
269 { "tunnel", NEXTARG2, 0, NULL,
270 settunnel } ,
271 { "deletetunnel", 0, 0, deletetunnel },
272 { "vlan", NEXTARG, 0, setvlan } ,
273 { "vlanif", NEXTARG, 0, setvlanif } ,
274 { "-vlanif", 0, 0, unsetvlanif } ,
275 { "deletetunnel", 0, 0, deletetunnel },
276 #if 0
277 /* XXX `create' special-cased below */
278 { "create", 0, 0, clone_create } ,
279 #endif
280 { "destroy", 0, 0, clone_destroy } ,
281 { "link0", IFF_LINK0, 0, setifflags } ,
282 { "-link0", -IFF_LINK0, 0, setifflags } ,
283 { "link1", IFF_LINK1, 0, setifflags } ,
284 { "-link1", -IFF_LINK1, 0, setifflags } ,
285 { "link2", IFF_LINK2, 0, setifflags } ,
286 { "-link2", -IFF_LINK2, 0, setifflags } ,
287 { "media", NEXTARG, A_MEDIA, setmedia },
288 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt },
289 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt },
290 { "instance", NEXTARG, A_MEDIAINST, setmediainst },
291 { "inst", NEXTARG, A_MEDIAINST, setmediainst },
292 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps },
293 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps },
294 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps },
295 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps },
296 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps },
297 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps },
298 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps },
299 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps },
300 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps },
301 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps },
302 { 0, 0, 0, setifaddr },
303 { 0, 0, 0, setifdstaddr },
304 };
305
306 void adjust_nsellength __P((void));
307 int getinfo __P((struct ifreq *));
308 int carrier __P((void));
309 void getsock __P((int));
310 void printall __P((const char *));
311 void list_cloners __P((void));
312 void printb __P((const char *, unsigned short, const char *));
313 int prefix __P((void *, int));
314 void status __P((const u_int8_t *, int));
315 void usage __P((void));
316 const char *get_string __P((const char *, const char *, u_int8_t *, int *));
317 void print_string __P((const u_int8_t *, int));
318 char *sec2str __P((time_t));
319
320 const char *get_media_type_string __P((int));
321 const char *get_media_subtype_string __P((int));
322 int get_media_subtype __P((int, const char *));
323 int get_media_options __P((int, const char *));
324 int lookup_media_word __P((struct ifmedia_description *, int,
325 const char *));
326 void print_media_word __P((int, int, int));
327 void process_media_commands __P((void));
328 void init_current_media __P((void));
329
330 /*
331 * XNS support liberally adapted from code written at the University of
332 * Maryland principally by James O'Toole and Chris Torek.
333 */
334 void in_alias __P((struct ifreq *));
335 void in_status __P((int));
336 void in_getaddr __P((const char *, int));
337 void in_getprefix __P((const char *, int));
338 #ifdef INET6
339 void in6_fillscopeid __P((struct sockaddr_in6 *sin6));
340 void in6_alias __P((struct in6_ifreq *));
341 void in6_status __P((int));
342 void in6_getaddr __P((const char *, int));
343 void in6_getprefix __P((const char *, int));
344 #endif
345 void at_status __P((int));
346 void at_getaddr __P((const char *, int));
347 void xns_status __P((int));
348 void xns_getaddr __P((const char *, int));
349 void iso_status __P((int));
350 void iso_getaddr __P((const char *, int));
351
352 void ieee80211_status __P((void));
353 void tunnel_status __P((void));
354 void vlan_status __P((void));
355
356 /* Known address families */
357 struct afswtch {
358 const char *af_name;
359 short af_af;
360 void (*af_status) __P((int));
361 void (*af_getaddr) __P((const char *, int));
362 void (*af_getprefix) __P((const char *, int));
363 u_long af_difaddr;
364 u_long af_aifaddr;
365 u_long af_gifaddr;
366 caddr_t af_ridreq;
367 caddr_t af_addreq;
368 } afs[] = {
369 #define C(x) ((caddr_t) &x)
370 { "inet", AF_INET, in_status, in_getaddr, in_getprefix,
371 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) },
372 #ifdef INET6
373 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix,
374 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6,
375 /*
376 * Deleting the first address before setting new one is
377 * not prefered way in this protocol.
378 */
379 0,
380 C(in6_ridreq), C(in6_addreq) },
381 #endif
382 #ifndef INET_ONLY /* small version, for boot media */
383 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL,
384 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) },
385 { "ns", AF_NS, xns_status, xns_getaddr, NULL,
386 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) },
387 { "iso", AF_ISO, iso_status, iso_getaddr, NULL,
388 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO,
389 C(iso_ridreq), C(iso_addreq) },
390 #endif /* INET_ONLY */
391 { 0, 0, 0, 0 }
392 };
393
394 struct afswtch *afp; /*the address family being set or asked about*/
395
396 struct afswtch *lookup_af __P((const char *));
397
398 int
399 main(argc, argv)
400 int argc;
401 char *argv[];
402 {
403 struct ifreq ifreq;
404 int ch;
405
406 /* Parse command-line options */
407 aflag = mflag = 0;
408 while ((ch = getopt(argc, argv, "AabCdlmsu"
409 #ifdef INET6
410 "L"
411 #endif
412 )) != -1) {
413 switch (ch) {
414 case 'A':
415 warnx("-A is deprecated");
416 break;
417
418 case 'a':
419 aflag = 1;
420 break;
421
422 case 'b':
423 bflag = 1;
424 break;
425
426
427 case 'C':
428 Cflag = 1;
429 break;
430
431 case 'd':
432 dflag = 1;
433 break;
434
435 #ifdef INET6
436 case 'L':
437 Lflag = 1;
438 break;
439 #endif
440
441 case 'l':
442 lflag = 1;
443 break;
444
445 case 'm':
446 mflag = 1;
447 break;
448
449 case 's':
450 sflag = 1;
451 break;
452
453 case 'u':
454 uflag = 1;
455 break;
456
457
458 default:
459 usage();
460 /* NOTREACHED */
461 }
462 }
463 argc -= optind;
464 argv += optind;
465
466 /*
467 * -l means "list all interfaces", and is mutally exclusive with
468 * all other flags/commands.
469 *
470 * -C means "list all names of cloners", and it mutually exclusive
471 * with all other flags/commands.
472 *
473 * -a means "print status of all interfaces".
474 */
475 if ((lflag || Cflag) && (aflag || mflag || argc))
476 usage();
477 #ifdef INET6
478 if ((lflag || Cflag) && Lflag)
479 usage();
480 #endif
481 if (lflag && Cflag)
482 usage();
483 if (Cflag) {
484 if (argc)
485 usage();
486 list_cloners();
487 exit(0);
488 }
489 if (aflag || lflag) {
490 if (argc > 1)
491 usage();
492 else if (argc == 1) {
493 afp = lookup_af(argv[0]);
494 if (afp == NULL)
495 usage();
496 }
497 if (afp)
498 af = ifr.ifr_addr.sa_family = afp->af_af;
499 else
500 af = ifr.ifr_addr.sa_family = afs[0].af_af;
501 printall(NULL);
502 exit(0);
503 }
504
505 /* Make sure there's an interface name. */
506 if (argc < 1)
507 usage();
508 (void) strncpy(name, argv[0], sizeof(name));
509 argc--; argv++;
510
511 /*
512 * NOTE: We must special-case the `create' command right
513 * here as we would otherwise fail in getinfo().
514 */
515 if (argc > 0 && strcmp(argv[0], "create") == 0) {
516 clone_create(argv[0], 0);
517 argc--, argv++;
518 if (argc == 0)
519 exit(0);
520 }
521
522 /* Check for address family. */
523 afp = NULL;
524 if (argc > 0) {
525 afp = lookup_af(argv[0]);
526 if (afp != NULL) {
527 argv++;
528 argc--;
529 }
530 }
531
532 /* Initialize af, just for use in getinfo(). */
533 if (afp == NULL)
534 af = afs->af_af;
535 else
536 af = afp->af_af;
537
538 /* Get information about the interface. */
539 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
540 if (getinfo(&ifr) < 0)
541 exit(1);
542
543 if (sflag) {
544 if (argc != 0)
545 usage();
546 else
547 exit(carrier());
548 }
549
550 /* No more arguments means interface status. */
551 if (argc == 0) {
552 printall(name);
553 exit(0);
554 }
555
556 /* The following operations assume inet family as the default. */
557 if (afp == NULL)
558 afp = afs;
559 af = ifr.ifr_addr.sa_family = afp->af_af;
560
561 #ifdef INET6
562 /* initialization */
563 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME;
564 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME;
565 #endif
566
567 /* Process commands. */
568 while (argc > 0) {
569 const struct cmd *p;
570
571 for (p = cmds; p->c_name; p++)
572 if (strcmp(argv[0], p->c_name) == 0)
573 break;
574 if (p->c_name == 0 && setaddr) {
575 if ((flags & IFF_POINTOPOINT) == 0) {
576 errx(1, "can't set destination address %s",
577 "on non-point-to-point link");
578 }
579 p++; /* got src, do dst */
580 }
581 if (p->c_func != NULL || p->c_func2 != NULL) {
582 if (p->c_parameter == NEXTARG) {
583 if (argc < 2)
584 errx(1, "'%s' requires argument",
585 p->c_name);
586 (*p->c_func)(argv[1], 0);
587 argc--, argv++;
588 } else if (p->c_parameter == NEXTARG2) {
589 if (argc < 3)
590 errx(1, "'%s' requires 2 arguments",
591 p->c_name);
592 (*p->c_func2)(argv[1], argv[2]);
593 argc -= 2, argv += 2;
594 } else
595 (*p->c_func)(argv[0], p->c_parameter);
596 actions |= p->c_action;
597 }
598 argc--, argv++;
599 }
600
601 /* Process any media commands that may have been issued. */
602 process_media_commands();
603
604 if (af == AF_INET6 && explicit_prefix == 0) {
605 /*
606 * Aggregatable address architecture defines all prefixes
607 * are 64. So, it is convenient to set prefixlen to 64 if
608 * it is not specified.
609 */
610 setifprefixlen("64", 0);
611 /* in6_getprefix("64", MASK) if MASK is available here... */
612 }
613
614 #ifndef INET_ONLY
615 if (af == AF_ISO)
616 adjust_nsellength();
617
618 if (af == AF_APPLETALK)
619 checkatrange((struct sockaddr_at *) &addreq.ifra_addr);
620
621 if (setipdst && af==AF_NS) {
622 struct nsip_req rq;
623 int size = sizeof(rq);
624
625 rq.rq_ns = addreq.ifra_addr;
626 rq.rq_ip = addreq.ifra_dstaddr;
627
628 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0)
629 warn("encapsulation routing");
630 }
631
632 #endif /* INET_ONLY */
633
634 if (clearaddr) {
635 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name);
636 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0)
637 err(1, "SIOCDIFADDR");
638 }
639 if (newaddr > 0) {
640 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name);
641 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0)
642 warn("SIOCAIFADDR");
643 }
644
645 if (g_ifcr_updated) {
646 (void) strncpy(g_ifcr.ifcr_name, name,
647 sizeof(g_ifcr.ifcr_name));
648 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) < 0)
649 err(1, "SIOCSIFCAP");
650 }
651
652 if (reset_if_flags) {
653 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name));
654 ifreq.ifr_flags = flags;
655 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0)
656 err(1, "SIOCSIFFLAGS");
657 }
658 exit(0);
659 }
660
661 struct afswtch *
662 lookup_af(cp)
663 const char *cp;
664 {
665 struct afswtch *a;
666
667 for (a = afs; a->af_name != NULL; a++)
668 if (strcmp(a->af_name, cp) == 0)
669 return (a);
670 return (NULL);
671 }
672
673 void
674 getsock(naf)
675 int naf;
676 {
677 static int oaf = -1;
678
679 if (oaf == naf)
680 return;
681 if (oaf != -1)
682 close(s);
683 s = socket(naf, SOCK_DGRAM, 0);
684 if (s < 0)
685 oaf = -1;
686 else
687 oaf = naf;
688 }
689
690 int
691 getinfo(ifr)
692 struct ifreq *ifr;
693 {
694
695 getsock(af);
696 if (s < 0)
697 err(1, "socket");
698 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) {
699 warn("SIOCGIFFLAGS %s", ifr->ifr_name);
700 return (-1);
701 }
702 flags = ifr->ifr_flags;
703 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) {
704 warn("SIOCGIFMETRIC %s", ifr->ifr_name);
705 metric = 0;
706 } else
707 metric = ifr->ifr_metric;
708 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0)
709 mtu = 0;
710 else
711 mtu = ifr->ifr_mtu;
712
713 memset(&g_ifcr, 0, sizeof(g_ifcr));
714 strcpy(g_ifcr.ifcr_name, ifr->ifr_name);
715 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr);
716
717 return (0);
718 }
719
720 void
721 printall(ifname)
722 const char *ifname;
723 {
724 struct ifaddrs *ifap, *ifa;
725 struct ifreq ifr;
726 const struct sockaddr_dl *sdl = NULL;
727 int idx;
728 char *p;
729
730 if (getifaddrs(&ifap) != 0)
731 err(1, "getifaddrs");
732 p = NULL;
733 idx = 0;
734 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
735 memset(&ifr, 0, sizeof(ifr));
736 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name));
737 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) {
738 memcpy(&ifr.ifr_addr, ifa->ifa_addr,
739 ifa->ifa_addr->sa_len);
740 }
741
742 if (ifname && strcmp(ifname, ifa->ifa_name) != 0)
743 continue;
744 if (ifa->ifa_addr->sa_family == AF_LINK)
745 sdl = (const struct sockaddr_dl *) ifa->ifa_addr;
746 if (p && strcmp(p, ifa->ifa_name) == 0)
747 continue;
748 (void) strncpy(name, ifa->ifa_name, sizeof(name));
749 name[sizeof(name) - 1] = '\0';
750 p = ifa->ifa_name;
751
752 if (getinfo(&ifr) < 0)
753 continue;
754 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK)))
755 continue;
756 if (dflag && (ifa->ifa_flags & IFF_UP) != 0)
757 continue;
758 if (uflag && (ifa->ifa_flags & IFF_UP) == 0)
759 continue;
760
761 if (sflag && carrier())
762 continue;
763 idx++;
764 /*
765 * Are we just listing the interfaces?
766 */
767 if (lflag) {
768 if (idx > 1)
769 putchar(' ');
770 fputs(name, stdout);
771 continue;
772 }
773
774 if (sdl == NULL) {
775 status(NULL, 0);
776 } else {
777 status(LLADDR(sdl), sdl->sdl_alen);
778 sdl = NULL;
779 }
780 }
781 if (lflag)
782 putchar('\n');
783 freeifaddrs(ifap);
784 }
785
786 void
787 list_cloners(void)
788 {
789 struct if_clonereq ifcr;
790 char *cp, *buf;
791 int idx;
792
793 memset(&ifcr, 0, sizeof(ifcr));
794
795 getsock(AF_INET);
796
797 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0)
798 err(1, "SIOCIFGCLONERS for count");
799
800 buf = malloc(ifcr.ifcr_total * IFNAMSIZ);
801 if (buf == NULL)
802 err(1, "unable to allocate cloner name buffer");
803
804 ifcr.ifcr_count = ifcr.ifcr_total;
805 ifcr.ifcr_buffer = buf;
806
807 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0)
808 err(1, "SIOCIFGCLONERS for names");
809
810 /*
811 * In case some disappeared in the mean time, clamp it down.
812 */
813 if (ifcr.ifcr_count > ifcr.ifcr_total)
814 ifcr.ifcr_count = ifcr.ifcr_total;
815
816 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) {
817 if (idx > 0)
818 putchar(' ');
819 printf("%s", cp);
820 }
821
822 putchar('\n');
823 free(buf);
824 return;
825 }
826
827 /*ARGSUSED*/
828 void
829 clone_create(addr, param)
830 const char *addr;
831 int param;
832 {
833
834 /* We're called early... */
835 getsock(AF_INET);
836
837 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
838 if (ioctl(s, SIOCIFCREATE, &ifr) < 0)
839 err(1, "SIOCIFCREATE");
840 }
841
842 /*ARGSUSED*/
843 void
844 clone_destroy(addr, param)
845 const char *addr;
846 int param;
847 {
848
849 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
850 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0)
851 err(1, "SIOCIFDESTROY");
852 }
853
854 #define RIDADDR 0
855 #define ADDR 1
856 #define MASK 2
857 #define DSTADDR 3
858
859 /*ARGSUSED*/
860 void
861 setifaddr(addr, param)
862 const char *addr;
863 int param;
864 {
865 struct ifreq *ifr; /* XXX */
866
867 /*
868 * Delay the ioctl to set the interface addr until flags are all set.
869 * The address interpretation may depend on the flags,
870 * and the flags may change when the address is set.
871 */
872 setaddr++;
873 if (newaddr == -1)
874 newaddr = 1;
875 if (doalias == 0 && afp->af_gifaddr != 0) {
876 ifr = (struct ifreq *)afp->af_ridreq;
877 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name));
878 ifr->ifr_addr.sa_family = afp->af_af;
879 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0)
880 clearaddr = 1;
881 else if (errno == EADDRNOTAVAIL)
882 /* No address was assigned yet. */
883 ;
884 else
885 err(1, "SIOCGIFADDR");
886 }
887
888 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR));
889 }
890
891 void
892 settunnel(src, dst)
893 const char *src, *dst;
894 {
895 struct addrinfo hints, *srcres, *dstres;
896 int ecode;
897 struct if_laddrreq req;
898
899 memset(&hints, 0, sizeof(hints));
900 hints.ai_family = afp->af_af;
901 hints.ai_socktype = SOCK_DGRAM; /*dummy*/
902
903 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0)
904 errx(1, "error in parsing address string: %s",
905 gai_strerror(ecode));
906
907 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0)
908 errx(1, "error in parsing address string: %s",
909 gai_strerror(ecode));
910
911 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family)
912 errx(1,
913 "source and destination address families do not match");
914
915 if (srcres->ai_addrlen > sizeof(req.addr) ||
916 dstres->ai_addrlen > sizeof(req.dstaddr))
917 errx(1, "invalid sockaddr");
918
919 memset(&req, 0, sizeof(req));
920 strncpy(req.iflr_name, name, sizeof(req.iflr_name));
921 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen);
922 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen);
923
924 #ifdef INET6
925 if (req.addr.ss_family == AF_INET6) {
926 struct sockaddr_in6 *s, *d;
927
928 s = (struct sockaddr_in6 *)&req.addr;
929 d = (struct sockaddr_in6 *)&req.dstaddr;
930 if (s->sin6_scope_id != d->sin6_scope_id) {
931 errx(1, "scope mismatch");
932 /* NOTREACHED */
933 }
934 #ifdef __KAME__
935 /* embed scopeid */
936 if (s->sin6_scope_id &&
937 (IN6_IS_ADDR_LINKLOCAL(&s->sin6_addr) ||
938 IN6_IS_ADDR_MC_LINKLOCAL(&s->sin6_addr))) {
939 *(u_int16_t *)&s->sin6_addr.s6_addr[2] =
940 htons(s->sin6_scope_id);
941 }
942 if (d->sin6_scope_id &&
943 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) ||
944 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) {
945 *(u_int16_t *)&d->sin6_addr.s6_addr[2] =
946 htons(d->sin6_scope_id);
947 }
948 #endif
949 }
950 #endif
951
952 if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0)
953 warn("SIOCSLIFPHYADDR");
954
955 freeaddrinfo(srcres);
956 freeaddrinfo(dstres);
957 }
958
959 /* ARGSUSED */
960 void
961 deletetunnel(vname, param)
962 const char *vname;
963 int param;
964 {
965
966 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0)
967 err(1, "SIOCDIFPHYADDR");
968 }
969
970 void setvlan(val, d)
971 const char *val;
972 int d;
973 {
974 struct vlanreq vlr;
975
976 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 ||
977 !isdigit(ifr.ifr_name[4]))
978 errx(EXIT_FAILURE,
979 "``vlan'' valid only with vlan(4) interfaces");
980
981 vlan_tag = atoi(val);
982
983 memset(&vlr, 0, sizeof(vlr));
984 ifr.ifr_data = (caddr_t)&vlr;
985
986 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
987 err(EXIT_FAILURE, "SIOCGETVLAN");
988
989 vlr.vlr_tag = vlan_tag;
990
991 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
992 err(EXIT_FAILURE, "SIOCSETVLAN");
993 }
994
995 void setvlanif(val, d)
996 const char *val;
997 int d;
998 {
999 struct vlanreq vlr;
1000
1001 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 ||
1002 !isdigit(ifr.ifr_name[4]))
1003 errx(EXIT_FAILURE,
1004 "``vlanif'' valid only with vlan(4) interfaces");
1005
1006 if (vlan_tag == (u_int)-1)
1007 errx(EXIT_FAILURE,
1008 "must specify both ``vlan'' and ``vlanif''");
1009
1010 memset(&vlr, 0, sizeof(vlr));
1011 ifr.ifr_data = (caddr_t)&vlr;
1012
1013 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
1014 err(EXIT_FAILURE, "SIOCGETVLAN");
1015
1016 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent));
1017 vlr.vlr_tag = vlan_tag;
1018
1019 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
1020 err(EXIT_FAILURE, "SIOCSETVLAN");
1021 }
1022
1023 void unsetvlanif(val, d)
1024 const char *val;
1025 int d;
1026 {
1027 struct vlanreq vlr;
1028
1029 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 ||
1030 !isdigit(ifr.ifr_name[4]))
1031 errx(EXIT_FAILURE,
1032 "``vlanif'' valid only with vlan(4) interfaces");
1033
1034 memset(&vlr, 0, sizeof(vlr));
1035 ifr.ifr_data = (caddr_t)&vlr;
1036
1037 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
1038 err(EXIT_FAILURE, "SIOCGETVLAN");
1039
1040 vlr.vlr_parent[0] = '\0';
1041 vlr.vlr_tag = 0;
1042
1043 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
1044 err(EXIT_FAILURE, "SIOCSETVLAN");
1045 }
1046
1047 void
1048 setifnetmask(addr, d)
1049 const char *addr;
1050 int d;
1051 {
1052 (*afp->af_getaddr)(addr, MASK);
1053 }
1054
1055 void
1056 setifbroadaddr(addr, d)
1057 const char *addr;
1058 int d;
1059 {
1060 (*afp->af_getaddr)(addr, DSTADDR);
1061 }
1062
1063 void
1064 setifipdst(addr, d)
1065 const char *addr;
1066 int d;
1067 {
1068 in_getaddr(addr, DSTADDR);
1069 setipdst++;
1070 clearaddr = 0;
1071 newaddr = 0;
1072 }
1073
1074 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr))
1075 /*ARGSUSED*/
1076 void
1077 notealias(addr, param)
1078 const char *addr;
1079 int param;
1080 {
1081 if (setaddr && doalias == 0 && param < 0)
1082 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq),
1083 rqtosa(af_addreq)->sa_len);
1084 doalias = param;
1085 if (param < 0) {
1086 clearaddr = 1;
1087 newaddr = 0;
1088 } else
1089 clearaddr = 0;
1090 }
1091
1092 /*ARGSUSED*/
1093 void
1094 notrailers(vname, value)
1095 const char *vname;
1096 int value;
1097 {
1098 puts("Note: trailers are no longer sent, but always received");
1099 }
1100
1101 /*ARGSUSED*/
1102 void
1103 setifdstaddr(addr, param)
1104 const char *addr;
1105 int param;
1106 {
1107 (*afp->af_getaddr)(addr, DSTADDR);
1108 }
1109
1110 void
1111 setifflags(vname, value)
1112 const char *vname;
1113 int value;
1114 {
1115 struct ifreq ifreq;
1116
1117 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name));
1118 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0)
1119 err(1, "SIOCGIFFLAGS");
1120 flags = ifreq.ifr_flags;
1121
1122 if (value < 0) {
1123 value = -value;
1124 flags &= ~value;
1125 } else
1126 flags |= value;
1127 ifreq.ifr_flags = flags;
1128 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0)
1129 err(1, "SIOCSIFFLAGS");
1130
1131 reset_if_flags = 1;
1132 }
1133
1134 void
1135 setifcaps(vname, value)
1136 const char *vname;
1137 int value;
1138 {
1139
1140 if (value < 0) {
1141 value = -value;
1142 g_ifcr.ifcr_capenable &= ~value;
1143 } else
1144 g_ifcr.ifcr_capenable |= value;
1145
1146 g_ifcr_updated = 1;
1147 }
1148
1149 #ifdef INET6
1150 void
1151 setia6flags(vname, value)
1152 const char *vname;
1153 int value;
1154 {
1155 if (value < 0) {
1156 value = -value;
1157 in6_addreq.ifra_flags &= ~value;
1158 } else
1159 in6_addreq.ifra_flags |= value;
1160 }
1161
1162 void
1163 setia6pltime(val, d)
1164 const char *val;
1165 int d;
1166 {
1167 setia6lifetime("pltime", val);
1168 }
1169
1170 void
1171 setia6vltime(val, d)
1172 const char *val;
1173 int d;
1174 {
1175 setia6lifetime("vltime", val);
1176 }
1177
1178 void
1179 setia6lifetime(cmd, val)
1180 const char *cmd;
1181 const char *val;
1182 {
1183 time_t newval, t;
1184 char *ep;
1185
1186 t = time(NULL);
1187 newval = (time_t)strtoul(val, &ep, 0);
1188 if (val == ep)
1189 errx(1, "invalid %s", cmd);
1190 if (afp->af_af != AF_INET6)
1191 errx(1, "%s not allowed for the AF", cmd);
1192 if (strcmp(cmd, "vltime") == 0) {
1193 in6_addreq.ifra_lifetime.ia6t_expire = t + newval;
1194 in6_addreq.ifra_lifetime.ia6t_vltime = newval;
1195 } else if (strcmp(cmd, "pltime") == 0) {
1196 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval;
1197 in6_addreq.ifra_lifetime.ia6t_pltime = newval;
1198 }
1199 }
1200 #endif
1201
1202 void
1203 setifmetric(val, d)
1204 const char *val;
1205 int d;
1206 {
1207 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
1208 ifr.ifr_metric = atoi(val);
1209 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0)
1210 warn("SIOCSIFMETRIC");
1211 }
1212
1213 void
1214 setifmtu(val, d)
1215 const char *val;
1216 int d;
1217 {
1218 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
1219 ifr.ifr_mtu = atoi(val);
1220 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0)
1221 warn("SIOCSIFMTU");
1222 }
1223
1224 const char *
1225 get_string(val, sep, buf, lenp)
1226 const char *val, *sep;
1227 u_int8_t *buf;
1228 int *lenp;
1229 {
1230 int len;
1231 int hexstr;
1232 u_int8_t *p;
1233
1234 len = *lenp;
1235 p = buf;
1236 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x');
1237 if (hexstr)
1238 val += 2;
1239 for (;;) {
1240 if (*val == '\0')
1241 break;
1242 if (sep != NULL && strchr(sep, *val) != NULL) {
1243 val++;
1244 break;
1245 }
1246 if (hexstr) {
1247 if (!isxdigit((u_char)val[0]) ||
1248 !isxdigit((u_char)val[1])) {
1249 warnx("bad hexadecimal digits");
1250 return NULL;
1251 }
1252 }
1253 if (p > buf + len) {
1254 if (hexstr)
1255 warnx("hexadecimal digits too long");
1256 else
1257 warnx("strings too long");
1258 return NULL;
1259 }
1260 if (hexstr) {
1261 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10)
1262 *p++ = (tohex((u_char)val[0]) << 4) |
1263 tohex((u_char)val[1]);
1264 #undef tohex
1265 val += 2;
1266 } else
1267 *p++ = *val++;
1268 }
1269 len = p - buf;
1270 if (len < *lenp)
1271 memset(p, 0, *lenp - len);
1272 *lenp = len;
1273 return val;
1274 }
1275
1276 void
1277 print_string(buf, len)
1278 const u_int8_t *buf;
1279 int len;
1280 {
1281 int i;
1282 int hasspc;
1283
1284 i = 0;
1285 hasspc = 0;
1286 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') {
1287 for (; i < len; i++) {
1288 if (!isprint(buf[i]))
1289 break;
1290 if (isspace(buf[i]))
1291 hasspc++;
1292 }
1293 }
1294 if (i == len) {
1295 if (hasspc || len == 0)
1296 printf("\"%.*s\"", len, buf);
1297 else
1298 printf("%.*s", len, buf);
1299 } else {
1300 printf("0x");
1301 for (i = 0; i < len; i++)
1302 printf("%02x", buf[i]);
1303 }
1304 }
1305
1306 void
1307 setifnwid(val, d)
1308 const char *val;
1309 int d;
1310 {
1311 struct ieee80211_nwid nwid;
1312 int len;
1313
1314 len = sizeof(nwid.i_nwid);
1315 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL)
1316 return;
1317 nwid.i_len = len;
1318 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
1319 ifr.ifr_data = (caddr_t)&nwid;
1320 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0)
1321 warn("SIOCS80211NWID");
1322 }
1323
1324 void
1325 setifnwkey(val, d)
1326 const char *val;
1327 int d;
1328 {
1329 struct ieee80211_nwkey nwkey;
1330 int i;
1331 u_int8_t keybuf[IEEE80211_WEP_NKID][16];
1332
1333 nwkey.i_wepon = IEEE80211_NWKEY_WEP;
1334 nwkey.i_defkid = 1;
1335 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
1336 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]);
1337 nwkey.i_key[i].i_keydat = keybuf[i];
1338 }
1339 if (d != 0) {
1340 /* disable WEP encryption */
1341 nwkey.i_wepon = 0;
1342 i = 0;
1343 } else if (strcasecmp("persist", val) == 0) {
1344 /* use all values from persistent memory */
1345 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST;
1346 nwkey.i_defkid = 0;
1347 for (i = 0; i < IEEE80211_WEP_NKID; i++)
1348 nwkey.i_key[i].i_keylen = -1;
1349 } else if (strncasecmp("persist:", val, 8) == 0) {
1350 val += 8;
1351 /* program keys in persistent memory */
1352 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST;
1353 goto set_nwkey;
1354 } else {
1355 set_nwkey:
1356 if (isdigit(val[0]) && val[1] == ':') {
1357 /* specifying a full set of four keys */
1358 nwkey.i_defkid = val[0] - '0';
1359 val += 2;
1360 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
1361 val = get_string(val, ",", keybuf[i],
1362 &nwkey.i_key[i].i_keylen);
1363 if (val == NULL)
1364 return;
1365 }
1366 if (*val != '\0') {
1367 warnx("SIOCS80211NWKEY: too many keys.");
1368 return;
1369 }
1370 } else {
1371 val = get_string(val, NULL, keybuf[0],
1372 &nwkey.i_key[0].i_keylen);
1373 if (val == NULL)
1374 return;
1375 i = 1;
1376 }
1377 }
1378 for (; i < IEEE80211_WEP_NKID; i++)
1379 nwkey.i_key[i].i_keylen = 0;
1380 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name));
1381 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0)
1382 warn("SIOCS80211NWKEY");
1383 }
1384
1385 void
1386 setifpowersave(val, d)
1387 const char *val;
1388 int d;
1389 {
1390 struct ieee80211_power power;
1391
1392 (void)strncpy(power.i_name, name, sizeof(power.i_name));
1393 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) {
1394 warn("SIOCG80211POWER");
1395 return;
1396 }
1397
1398 power.i_enabled = d;
1399 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0)
1400 warn("SIOCS80211POWER");
1401 }
1402
1403 void
1404 setifpowersavesleep(val, d)
1405 const char *val;
1406 int d;
1407 {
1408 struct ieee80211_power power;
1409
1410 (void)strncpy(power.i_name, name, sizeof(power.i_name));
1411 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) {
1412 warn("SIOCG80211POWER");
1413 return;
1414 }
1415
1416 power.i_maxsleep = atoi(val);
1417 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0)
1418 warn("SIOCS80211POWER");
1419 }
1420
1421 void
1422 ieee80211_status()
1423 {
1424 int i, nwkey_verbose;
1425 struct ieee80211_nwid nwid;
1426 struct ieee80211_nwkey nwkey;
1427 struct ieee80211_power power;
1428 u_int8_t keybuf[IEEE80211_WEP_NKID][16];
1429
1430 memset(&ifr, 0, sizeof(ifr));
1431 ifr.ifr_data = (caddr_t)&nwid;
1432 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
1433 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0)
1434 return;
1435 if (nwid.i_len > IEEE80211_NWID_LEN) {
1436 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len);
1437 return;
1438 }
1439 printf("\tnwid ");
1440 print_string(nwid.i_nwid, nwid.i_len);
1441 memset(&nwkey, 0, sizeof(nwkey));
1442 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name));
1443 /* show nwkey only when WEP is enabled */
1444 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 ||
1445 nwkey.i_wepon == 0) {
1446 printf("\n");
1447 goto skip_wep;
1448 }
1449
1450 printf(" nwkey ");
1451 /* try to retrieve WEP keys */
1452 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
1453 nwkey.i_key[i].i_keydat = keybuf[i];
1454 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]);
1455 }
1456 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) {
1457 printf("*****");
1458 } else {
1459 nwkey_verbose = 0;
1460 /* check to see non default key or multiple keys defined */
1461 if (nwkey.i_defkid != 1) {
1462 nwkey_verbose = 1;
1463 } else {
1464 for (i = 1; i < IEEE80211_WEP_NKID; i++) {
1465 if (nwkey.i_key[i].i_keylen != 0) {
1466 nwkey_verbose = 1;
1467 break;
1468 }
1469 }
1470 }
1471 /* check extra ambiguity with keywords */
1472 if (!nwkey_verbose) {
1473 if (nwkey.i_key[0].i_keylen >= 2 &&
1474 isdigit(nwkey.i_key[0].i_keydat[0]) &&
1475 nwkey.i_key[0].i_keydat[1] == ':')
1476 nwkey_verbose = 1;
1477 else if (nwkey.i_key[0].i_keylen >= 7 &&
1478 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7)
1479 == 0)
1480 nwkey_verbose = 1;
1481 }
1482 if (nwkey_verbose)
1483 printf("%d:", nwkey.i_defkid);
1484 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
1485 if (i > 0)
1486 printf(",");
1487 if (nwkey.i_key[i].i_keylen < 0)
1488 printf("persist");
1489 else
1490 print_string(nwkey.i_key[i].i_keydat,
1491 nwkey.i_key[i].i_keylen);
1492 if (!nwkey_verbose)
1493 break;
1494 }
1495 }
1496 printf("\n");
1497
1498 skip_wep:
1499 (void)strncpy(power.i_name, name, sizeof(power.i_name));
1500 if (ioctl(s, SIOCG80211POWER, &power) != 0)
1501 return;
1502 printf("\tpowersave ");
1503 if (power.i_enabled)
1504 printf("on (%dms sleep)", power.i_maxsleep);
1505 else
1506 printf("off");
1507 printf("\n");
1508 }
1509
1510 void
1511 init_current_media()
1512 {
1513 struct ifmediareq ifmr;
1514
1515 /*
1516 * If we have not yet done so, grab the currently-selected
1517 * media.
1518 */
1519 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) {
1520 (void) memset(&ifmr, 0, sizeof(ifmr));
1521 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
1522
1523 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
1524 /*
1525 * If we get E2BIG, the kernel is telling us
1526 * that there are more, so we can ignore it.
1527 */
1528 if (errno != E2BIG)
1529 err(1, "SGIOCGIFMEDIA");
1530 }
1531
1532 media_current = ifmr.ifm_current;
1533 }
1534
1535 /* Sanity. */
1536 if (IFM_TYPE(media_current) == 0)
1537 errx(1, "%s: no link type?", name);
1538 }
1539
1540 void
1541 process_media_commands()
1542 {
1543
1544 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) {
1545 /* Nothing to do. */
1546 return;
1547 }
1548
1549 /*
1550 * Media already set up, and commands sanity-checked. Set/clear
1551 * any options, and we're ready to go.
1552 */
1553 media_current |= mediaopt_set;
1554 media_current &= ~mediaopt_clear;
1555
1556 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
1557 ifr.ifr_media = media_current;
1558
1559 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0)
1560 err(1, "SIOCSIFMEDIA");
1561 }
1562
1563 void
1564 setmedia(val, d)
1565 const char *val;
1566 int d;
1567 {
1568 int type, subtype, inst;
1569
1570 init_current_media();
1571
1572 /* Only one media command may be given. */
1573 if (actions & A_MEDIA)
1574 errx(1, "only one `media' command may be issued");
1575
1576 /* Must not come after mediaopt commands */
1577 if (actions & A_MEDIAOPT)
1578 errx(1, "may not issue `media' after `mediaopt' commands");
1579
1580 /*
1581 * No need to check if `instance' has been issued; setmediainst()
1582 * craps out if `media' has not been specified.
1583 */
1584
1585 type = IFM_TYPE(media_current);
1586 inst = IFM_INST(media_current);
1587
1588 /* Look up the subtype. */
1589 subtype = get_media_subtype(type, val);
1590
1591 /* Build the new current media word. */
1592 media_current = IFM_MAKEWORD(type, subtype, 0, inst);
1593
1594 /* Media will be set after other processing is complete. */
1595 }
1596
1597 void
1598 setmediaopt(val, d)
1599 const char *val;
1600 int d;
1601 {
1602
1603 init_current_media();
1604
1605 /* Can only issue `mediaopt' once. */
1606 if (actions & A_MEDIAOPTSET)
1607 errx(1, "only one `mediaopt' command may be issued");
1608
1609 /* Can't issue `mediaopt' if `instance' has already been issued. */
1610 if (actions & A_MEDIAINST)
1611 errx(1, "may not issue `mediaopt' after `instance'");
1612
1613 mediaopt_set = get_media_options(IFM_TYPE(media_current), val);
1614
1615 /* Media will be set after other processing is complete. */
1616 }
1617
1618 void
1619 unsetmediaopt(val, d)
1620 const char *val;
1621 int d;
1622 {
1623
1624 init_current_media();
1625
1626 /* Can only issue `-mediaopt' once. */
1627 if (actions & A_MEDIAOPTCLR)
1628 errx(1, "only one `-mediaopt' command may be issued");
1629
1630 /* May not issue `media' and `-mediaopt'. */
1631 if (actions & A_MEDIA)
1632 errx(1, "may not issue both `media' and `-mediaopt'");
1633
1634 /*
1635 * No need to check for A_MEDIAINST, since the test for A_MEDIA
1636 * implicitly checks for A_MEDIAINST.
1637 */
1638
1639 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val);
1640
1641 /* Media will be set after other processing is complete. */
1642 }
1643
1644 void
1645 setmediainst(val, d)
1646 const char *val;
1647 int d;
1648 {
1649 int type, subtype, options, inst;
1650
1651 init_current_media();
1652
1653 /* Can only issue `instance' once. */
1654 if (actions & A_MEDIAINST)
1655 errx(1, "only one `instance' command may be issued");
1656
1657 /* Must have already specified `media' */
1658 if ((actions & A_MEDIA) == 0)
1659 errx(1, "must specify `media' before `instance'");
1660
1661 type = IFM_TYPE(media_current);
1662 subtype = IFM_SUBTYPE(media_current);
1663 options = IFM_OPTIONS(media_current);
1664
1665 inst = atoi(val);
1666 if (inst < 0 || inst > IFM_INST_MAX)
1667 errx(1, "invalid media instance: %s", val);
1668
1669 media_current = IFM_MAKEWORD(type, subtype, options, inst);
1670
1671 /* Media will be set after other processing is complete. */
1672 }
1673
1674 struct ifmedia_description ifm_type_descriptions[] =
1675 IFM_TYPE_DESCRIPTIONS;
1676
1677 struct ifmedia_description ifm_subtype_descriptions[] =
1678 IFM_SUBTYPE_DESCRIPTIONS;
1679
1680 struct ifmedia_description ifm_option_descriptions[] =
1681 IFM_OPTION_DESCRIPTIONS;
1682
1683 const char *
1684 get_media_type_string(mword)
1685 int mword;
1686 {
1687 struct ifmedia_description *desc;
1688
1689 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL;
1690 desc++) {
1691 if (IFM_TYPE(mword) == desc->ifmt_word)
1692 return (desc->ifmt_string);
1693 }
1694 return ("<unknown type>");
1695 }
1696
1697 const char *
1698 get_media_subtype_string(mword)
1699 int mword;
1700 {
1701 struct ifmedia_description *desc;
1702
1703 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL;
1704 desc++) {
1705 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) &&
1706 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword))
1707 return (desc->ifmt_string);
1708 }
1709 return ("<unknown subtype>");
1710 }
1711
1712 int
1713 get_media_subtype(type, val)
1714 int type;
1715 const char *val;
1716 {
1717 int rval;
1718
1719 rval = lookup_media_word(ifm_subtype_descriptions, type, val);
1720 if (rval == -1)
1721 errx(1, "unknown %s media subtype: %s",
1722 get_media_type_string(type), val);
1723
1724 return (rval);
1725 }
1726
1727 int
1728 get_media_options(type, val)
1729 int type;
1730 const char *val;
1731 {
1732 char *optlist, *str;
1733 int option, rval = 0;
1734
1735 /* We muck with the string, so copy it. */
1736 optlist = strdup(val);
1737 if (optlist == NULL)
1738 err(1, "strdup");
1739 str = optlist;
1740
1741 /*
1742 * Look up the options in the user-provided comma-separated list.
1743 */
1744 for (; (str = strtok(str, ",")) != NULL; str = NULL) {
1745 option = lookup_media_word(ifm_option_descriptions, type, str);
1746 if (option == -1)
1747 errx(1, "unknown %s media option: %s",
1748 get_media_type_string(type), str);
1749 rval |= IFM_OPTIONS(option);
1750 }
1751
1752 free(optlist);
1753 return (rval);
1754 }
1755
1756 int
1757 lookup_media_word(desc, type, val)
1758 struct ifmedia_description *desc;
1759 int type;
1760 const char *val;
1761 {
1762
1763 for (; desc->ifmt_string != NULL; desc++) {
1764 if (IFM_TYPE_MATCH(desc->ifmt_word, type) &&
1765 strcasecmp(desc->ifmt_string, val) == 0)
1766 return (desc->ifmt_word);
1767 }
1768 return (-1);
1769 }
1770
1771 void
1772 print_media_word(ifmw, print_type, as_syntax)
1773 int ifmw, print_type, as_syntax;
1774 {
1775 struct ifmedia_description *desc;
1776 int seen_option = 0;
1777
1778 if (print_type)
1779 printf("%s ", get_media_type_string(ifmw));
1780 printf("%s%s", as_syntax ? "media " : "",
1781 get_media_subtype_string(ifmw));
1782
1783 /* Find options. */
1784 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL;
1785 desc++) {
1786 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) &&
1787 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 &&
1788 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) {
1789 if (seen_option == 0)
1790 printf(" %s", as_syntax ? "mediaopt " : "");
1791 printf("%s%s", seen_option ? "," : "",
1792 desc->ifmt_string);
1793 seen_option |= IFM_OPTIONS(desc->ifmt_word);
1794 }
1795 }
1796 if (IFM_INST(ifmw) != 0)
1797 printf(" instance %d", IFM_INST(ifmw));
1798 }
1799
1800 int carrier()
1801 {
1802 struct ifmediareq ifmr;
1803
1804 (void) memset(&ifmr, 0, sizeof(ifmr));
1805 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
1806
1807 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
1808 /*
1809 * Interface doesn't support SIOC{G,S}IFMEDIA;
1810 * assume ok.
1811 */
1812 return 0;
1813 }
1814 if ((ifmr.ifm_status & IFM_AVALID) == 0) {
1815 /*
1816 * Interface doesn't report media-valid status.
1817 * assume ok.
1818 */
1819 return 0;
1820 }
1821 /* otherwise, return ok for active, not-ok if not active. */
1822 return !(ifmr.ifm_status & IFM_ACTIVE);
1823 }
1824
1825
1826 #define IFFBITS \
1827 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\
1828 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST"
1829
1830 #define IFCAPBITS \
1831 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM"
1832
1833 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST;
1834
1835 const struct ifmedia_status_description ifm_status_descriptions[] =
1836 IFM_STATUS_DESCRIPTIONS;
1837
1838 /*
1839 * Print the status of the interface. If an address family was
1840 * specified, show it and it only; otherwise, show them all.
1841 */
1842 void
1843 status(ap, alen)
1844 const u_int8_t *ap;
1845 int alen;
1846 {
1847 struct afswtch *p = afp;
1848 struct ifmediareq ifmr;
1849 int *media_list, i;
1850
1851 printf("%s: ", name);
1852 printb("flags", flags, IFFBITS);
1853 if (metric)
1854 printf(" metric %d", metric);
1855 if (mtu)
1856 printf(" mtu %d", mtu);
1857 putchar('\n');
1858
1859 if (g_ifcr.ifcr_capabilities) {
1860 putchar('\t');
1861 printb("capabilities", g_ifcr.ifcr_capabilities, IFCAPBITS);
1862 putchar('\n');
1863
1864 putchar('\t');
1865 printb("enabled", g_ifcr.ifcr_capenable, IFCAPBITS);
1866 putchar('\n');
1867 }
1868
1869 ieee80211_status();
1870 vlan_status();
1871 tunnel_status();
1872
1873 if (ap && alen > 0) {
1874 printf("\taddress:");
1875 for (i = 0; i < alen; i++, ap++)
1876 printf("%c%02x", i > 0 ? ':' : ' ', *ap);
1877 putchar('\n');
1878 }
1879
1880 (void) memset(&ifmr, 0, sizeof(ifmr));
1881 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
1882
1883 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
1884 /*
1885 * Interface doesn't support SIOC{G,S}IFMEDIA.
1886 */
1887 goto proto_status;
1888 }
1889
1890 if (ifmr.ifm_count == 0) {
1891 warnx("%s: no media types?", name);
1892 goto proto_status;
1893 }
1894
1895 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));
1896 if (media_list == NULL)
1897 err(1, "malloc");
1898 ifmr.ifm_ulist = media_list;
1899
1900 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0)
1901 err(1, "SIOCGIFMEDIA");
1902
1903 printf("\tmedia: ");
1904 print_media_word(ifmr.ifm_current, 1, 0);
1905 if (ifmr.ifm_active != ifmr.ifm_current) {
1906 putchar(' ');
1907 putchar('(');
1908 print_media_word(ifmr.ifm_active, 0, 0);
1909 putchar(')');
1910 }
1911 putchar('\n');
1912
1913 if (ifmr.ifm_status & IFM_STATUS_VALID) {
1914 const struct ifmedia_status_description *ifms;
1915 int bitno, found = 0;
1916
1917 printf("\tstatus: ");
1918 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) {
1919 for (ifms = ifm_status_descriptions;
1920 ifms->ifms_valid != 0; ifms++) {
1921 if (ifms->ifms_type !=
1922 IFM_TYPE(ifmr.ifm_current) ||
1923 ifms->ifms_valid !=
1924 ifm_status_valid_list[bitno])
1925 continue;
1926 printf("%s%s", found ? ", " : "",
1927 IFM_STATUS_DESC(ifms, ifmr.ifm_status));
1928 found = 1;
1929
1930 /*
1931 * For each valid indicator bit, there's
1932 * only one entry for each media type, so
1933 * terminate the inner loop now.
1934 */
1935 break;
1936 }
1937 }
1938
1939 if (found == 0)
1940 printf("unknown");
1941 putchar('\n');
1942 }
1943
1944 if (mflag) {
1945 int type, printed_type;
1946
1947 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) {
1948 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) {
1949 if (IFM_TYPE(media_list[i]) == type) {
1950 if (printed_type == 0) {
1951 printf("\tsupported %s media:\n",
1952 get_media_type_string(type));
1953 printed_type = 1;
1954 }
1955 printf("\t\t");
1956 print_media_word(media_list[i], 0, 1);
1957 printf("\n");
1958 }
1959 }
1960 }
1961 }
1962
1963 free(media_list);
1964
1965 proto_status:
1966 if ((p = afp) != NULL) {
1967 (*p->af_status)(1);
1968 } else for (p = afs; p->af_name; p++) {
1969 ifr.ifr_addr.sa_family = p->af_af;
1970 (*p->af_status)(0);
1971 }
1972 }
1973
1974 void
1975 tunnel_status()
1976 {
1977 char psrcaddr[NI_MAXHOST];
1978 char pdstaddr[NI_MAXHOST];
1979 const char *ver = "";
1980 #ifdef NI_WITHSCOPEID
1981 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
1982 #else
1983 const int niflag = NI_NUMERICHOST;
1984 #endif
1985 struct if_laddrreq req;
1986
1987 psrcaddr[0] = pdstaddr[0] = '\0';
1988
1989 memset(&req, 0, sizeof(req));
1990 strncpy(req.iflr_name, name, IFNAMSIZ);
1991 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0)
1992 return;
1993 #ifdef INET6
1994 if (req.addr.ss_family == AF_INET6)
1995 in6_fillscopeid((struct sockaddr_in6 *)&req.addr);
1996 #endif
1997 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len,
1998 psrcaddr, sizeof(psrcaddr), 0, 0, niflag);
1999 #ifdef INET6
2000 if (req.addr.ss_family == AF_INET6)
2001 ver = "6";
2002 #endif
2003
2004 #ifdef INET6
2005 if (req.dstaddr.ss_family == AF_INET6)
2006 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr);
2007 #endif
2008 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len,
2009 pdstaddr, sizeof(pdstaddr), 0, 0, niflag);
2010
2011 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr);
2012 }
2013
2014 void
2015 vlan_status()
2016 {
2017 struct vlanreq vlr;
2018
2019 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 ||
2020 !isdigit(ifr.ifr_name[4]))
2021 return;
2022
2023 memset(&vlr, 0, sizeof(vlr));
2024 ifr.ifr_data = (caddr_t)&vlr;
2025
2026 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
2027 return;
2028
2029 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0')
2030 printf("\tvlan: %d parent: %s\n",
2031 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ?
2032 "<none>" : vlr.vlr_parent);
2033 }
2034
2035 void
2036 in_alias(creq)
2037 struct ifreq *creq;
2038 {
2039 struct sockaddr_in *sin;
2040 int alias;
2041
2042 if (lflag)
2043 return;
2044
2045 alias = 1;
2046
2047 /* Get the non-alias address for this interface. */
2048 getsock(AF_INET);
2049 if (s < 0) {
2050 if (errno == EPROTONOSUPPORT)
2051 return;
2052 err(1, "socket");
2053 }
2054 (void) memset(&ifr, 0, sizeof(ifr));
2055 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
2056 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) {
2057 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
2058 return;
2059 } else
2060 warn("SIOCGIFADDR");
2061 }
2062 /* If creq and ifr are the same address, this is not an alias. */
2063 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr,
2064 sizeof(creq->ifr_addr)) == 0)
2065 alias = 0;
2066 (void) memset(&addreq, 0, sizeof(addreq));
2067 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name));
2068 addreq.ifra_addr = creq->ifr_addr;
2069 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) {
2070 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
2071 return;
2072 } else
2073 warn("SIOCGIFALIAS");
2074 }
2075
2076 sin = (struct sockaddr_in *)&addreq.ifra_addr;
2077 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr));
2078
2079 if (flags & IFF_POINTOPOINT) {
2080 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr;
2081 printf(" -> %s", inet_ntoa(sin->sin_addr));
2082 }
2083
2084 sin = (struct sockaddr_in *)&addreq.ifra_mask;
2085 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr));
2086
2087 if (flags & IFF_BROADCAST) {
2088 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr;
2089 printf(" broadcast %s", inet_ntoa(sin->sin_addr));
2090 }
2091 printf("\n");
2092 }
2093
2094 void
2095 in_status(force)
2096 int force;
2097 {
2098 struct ifaddrs *ifap, *ifa;
2099 struct ifreq ifr;
2100
2101 if (getifaddrs(&ifap) != 0)
2102 err(1, "getifaddrs");
2103 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
2104 if (strcmp(name, ifa->ifa_name) != 0)
2105 continue;
2106 if (ifa->ifa_addr->sa_family != AF_INET)
2107 continue;
2108 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len)
2109 continue;
2110
2111 memset(&ifr, 0, sizeof(ifr));
2112 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name));
2113 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len);
2114 in_alias(&ifr);
2115 }
2116 freeifaddrs(ifap);
2117 }
2118
2119 void
2120 setifprefixlen(addr, d)
2121 const char *addr;
2122 int d;
2123 {
2124 if (*afp->af_getprefix)
2125 (*afp->af_getprefix)(addr, MASK);
2126 explicit_prefix = 1;
2127 }
2128
2129 #ifdef INET6
2130 void
2131 in6_fillscopeid(sin6)
2132 struct sockaddr_in6 *sin6;
2133 {
2134 #if defined(__KAME__) && defined(KAME_SCOPEID)
2135 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
2136 sin6->sin6_scope_id =
2137 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]);
2138 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0;
2139 }
2140 #endif
2141 }
2142
2143 /* XXX not really an alias */
2144 void
2145 in6_alias(creq)
2146 struct in6_ifreq *creq;
2147 {
2148 struct sockaddr_in6 *sin6;
2149 char hbuf[NI_MAXHOST];
2150 u_int32_t scopeid;
2151 #ifdef NI_WITHSCOPEID
2152 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
2153 #else
2154 const int niflag = NI_NUMERICHOST;
2155 #endif
2156
2157 /* Get the non-alias address for this interface. */
2158 getsock(AF_INET6);
2159 if (s < 0) {
2160 if (errno == EPROTONOSUPPORT)
2161 return;
2162 err(1, "socket");
2163 }
2164
2165 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr;
2166
2167 in6_fillscopeid(sin6);
2168 scopeid = sin6->sin6_scope_id;
2169 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len,
2170 hbuf, sizeof(hbuf), NULL, 0, niflag))
2171 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */
2172 printf("\tinet6 %s", hbuf);
2173
2174 if (flags & IFF_POINTOPOINT) {
2175 (void) memset(&ifr6, 0, sizeof(ifr6));
2176 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name));
2177 ifr6.ifr_addr = creq->ifr_addr;
2178 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) {
2179 if (errno != EADDRNOTAVAIL)
2180 warn("SIOCGIFDSTADDR_IN6");
2181 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr));
2182 ifr6.ifr_addr.sin6_family = AF_INET6;
2183 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6);
2184 }
2185 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr;
2186 in6_fillscopeid(sin6);
2187 hbuf[0] = '\0';
2188 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len,
2189 hbuf, sizeof(hbuf), NULL, 0, niflag))
2190 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */
2191 printf(" -> %s", hbuf);
2192 }
2193
2194 (void) memset(&ifr6, 0, sizeof(ifr6));
2195 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name));
2196 ifr6.ifr_addr = creq->ifr_addr;
2197 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) {
2198 if (errno != EADDRNOTAVAIL)
2199 warn("SIOCGIFNETMASK_IN6");
2200 } else {
2201 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr;
2202 printf(" prefixlen %d", prefix(&sin6->sin6_addr,
2203 sizeof(struct in6_addr)));
2204 }
2205
2206 (void) memset(&ifr6, 0, sizeof(ifr6));
2207 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name));
2208 ifr6.ifr_addr = creq->ifr_addr;
2209 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) {
2210 if (errno != EADDRNOTAVAIL)
2211 warn("SIOCGIFAFLAG_IN6");
2212 } else {
2213 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST)
2214 printf(" anycast");
2215 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE)
2216 printf(" tentative");
2217 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED)
2218 printf(" duplicated");
2219 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED)
2220 printf(" detached");
2221 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED)
2222 printf(" deprecated");
2223 }
2224
2225 if (scopeid)
2226 printf(" scopeid 0x%x", scopeid);
2227
2228 if (Lflag) {
2229 struct in6_addrlifetime *lifetime;
2230 (void) memset(&ifr6, 0, sizeof(ifr6));
2231 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name));
2232 ifr6.ifr_addr = creq->ifr_addr;
2233 lifetime = &ifr6.ifr_ifru.ifru_lifetime;
2234 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) {
2235 if (errno != EADDRNOTAVAIL)
2236 warn("SIOCGIFALIFETIME_IN6");
2237 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) {
2238 time_t t = time(NULL);
2239 printf(" pltime ");
2240 if (lifetime->ia6t_preferred) {
2241 printf("%s", lifetime->ia6t_preferred < t
2242 ? "0"
2243 : sec2str(lifetime->ia6t_preferred - t));
2244 } else
2245 printf("infty");
2246
2247 printf(" vltime ");
2248 if (lifetime->ia6t_expire) {
2249 printf("%s", lifetime->ia6t_expire < t
2250 ? "0"
2251 : sec2str(lifetime->ia6t_expire - t));
2252 } else
2253 printf("infty");
2254 }
2255 }
2256
2257 printf("\n");
2258 }
2259
2260 void
2261 in6_status(force)
2262 int force;
2263 {
2264 struct ifaddrs *ifap, *ifa;
2265 struct in6_ifreq ifr;
2266
2267 if (getifaddrs(&ifap) != 0)
2268 err(1, "getifaddrs");
2269 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
2270 if (strcmp(name, ifa->ifa_name) != 0)
2271 continue;
2272 if (ifa->ifa_addr->sa_family != AF_INET6)
2273 continue;
2274 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len)
2275 continue;
2276
2277 memset(&ifr, 0, sizeof(ifr));
2278 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name));
2279 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len);
2280 in6_alias(&ifr);
2281 }
2282 freeifaddrs(ifap);
2283 }
2284 #endif /*INET6*/
2285
2286 #ifndef INET_ONLY
2287
2288 void
2289 at_status(force)
2290 int force;
2291 {
2292 struct sockaddr_at *sat, null_sat;
2293 struct netrange *nr;
2294
2295 getsock(AF_APPLETALK);
2296 if (s < 0) {
2297 if (errno == EPROTONOSUPPORT)
2298 return;
2299 err(1, "socket");
2300 }
2301 (void) memset(&ifr, 0, sizeof(ifr));
2302 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
2303 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) {
2304 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
2305 if (!force)
2306 return;
2307 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
2308 } else
2309 warn("SIOCGIFADDR");
2310 }
2311 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
2312 sat = (struct sockaddr_at *)&ifr.ifr_addr;
2313
2314 (void) memset(&null_sat, 0, sizeof(null_sat));
2315
2316 nr = (struct netrange *) &sat->sat_zero;
2317 printf("\tatalk %d.%d range %d-%d phase %d",
2318 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node,
2319 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase);
2320 if (flags & IFF_POINTOPOINT) {
2321 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) {
2322 if (errno == EADDRNOTAVAIL)
2323 (void) memset(&ifr.ifr_addr, 0,
2324 sizeof(ifr.ifr_addr));
2325 else
2326 warn("SIOCGIFDSTADDR");
2327 }
2328 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
2329 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr;
2330 if (!sat)
2331 sat = &null_sat;
2332 printf("--> %d.%d",
2333 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node);
2334 }
2335 if (flags & IFF_BROADCAST) {
2336 /* note RTAX_BRD overlap with IFF_POINTOPOINT */
2337 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr;
2338 if (sat)
2339 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net),
2340 sat->sat_addr.s_node);
2341 }
2342 putchar('\n');
2343 }
2344
2345 void
2346 xns_status(force)
2347 int force;
2348 {
2349 struct sockaddr_ns *sns;
2350
2351 getsock(AF_NS);
2352 if (s < 0) {
2353 if (errno == EPROTONOSUPPORT)
2354 return;
2355 err(1, "socket");
2356 }
2357 (void) memset(&ifr, 0, sizeof(ifr));
2358 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
2359 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) {
2360 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
2361 if (!force)
2362 return;
2363 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
2364 } else
2365 warn("SIOCGIFADDR");
2366 }
2367 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
2368 sns = (struct sockaddr_ns *)&ifr.ifr_addr;
2369 printf("\tns %s ", ns_ntoa(sns->sns_addr));
2370 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */
2371 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) {
2372 if (errno == EADDRNOTAVAIL)
2373 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
2374 else
2375 warn("SIOCGIFDSTADDR");
2376 }
2377 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
2378 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr;
2379 printf("--> %s ", ns_ntoa(sns->sns_addr));
2380 }
2381 putchar('\n');
2382 }
2383
2384 void
2385 iso_status(force)
2386 int force;
2387 {
2388 struct sockaddr_iso *siso;
2389 struct iso_ifreq ifr;
2390
2391 getsock(AF_ISO);
2392 if (s < 0) {
2393 if (errno == EPROTONOSUPPORT)
2394 return;
2395 err(1, "socket");
2396 }
2397 (void) memset(&ifr, 0, sizeof(ifr));
2398 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
2399 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) {
2400 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
2401 if (!force)
2402 return;
2403 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr));
2404 } else
2405 warn("SIOCGIFADDR_ISO");
2406 }
2407 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
2408 siso = &ifr.ifr_Addr;
2409 printf("\tiso %s ", iso_ntoa(&siso->siso_addr));
2410 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) {
2411 if (errno == EADDRNOTAVAIL)
2412 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr));
2413 else
2414 warn("SIOCGIFNETMASK_ISO");
2415 } else {
2416 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr))
2417 siso->siso_addr.isoa_len = siso->siso_len
2418 - offsetof(struct sockaddr_iso, siso_addr);
2419 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr));
2420 }
2421 if (flags & IFF_POINTOPOINT) {
2422 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) {
2423 if (errno == EADDRNOTAVAIL)
2424 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr));
2425 else
2426 warn("SIOCGIFDSTADDR_ISO");
2427 }
2428 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
2429 siso = &ifr.ifr_Addr;
2430 printf("--> %s ", iso_ntoa(&siso->siso_addr));
2431 }
2432 putchar('\n');
2433 }
2434
2435 #endif /* INET_ONLY */
2436
2437 #define SIN(x) ((struct sockaddr_in *) &(x))
2438 struct sockaddr_in *sintab[] = {
2439 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr),
2440 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)};
2441
2442 void
2443 in_getaddr(s, which)
2444 const char *s;
2445 int which;
2446 {
2447 struct sockaddr_in *sin = sintab[which];
2448 struct hostent *hp;
2449 struct netent *np;
2450
2451 sin->sin_len = sizeof(*sin);
2452 if (which != MASK)
2453 sin->sin_family = AF_INET;
2454
2455 if (which == ADDR) {
2456 char *p = NULL;
2457 if ((p = strrchr(s, '/')) != NULL) {
2458 *p = '\0';
2459 in_getprefix(p + 1, MASK);
2460 }
2461 }
2462
2463 if (inet_aton(s, &sin->sin_addr) == 0) {
2464 if ((hp = gethostbyname(s)) != NULL)
2465 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length);
2466 else if ((np = getnetbyname(s)) != NULL)
2467 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY);
2468 else
2469 errx(1, "%s: bad value", s);
2470 }
2471 }
2472
2473 void
2474 in_getprefix(plen, which)
2475 const char *plen;
2476 int which;
2477 {
2478 register struct sockaddr_in *sin = sintab[which];
2479 register u_char *cp;
2480 int len = strtol(plen, (char **)NULL, 10);
2481
2482 if ((len < 0) || (len > 32))
2483 errx(1, "%s: bad value", plen);
2484 sin->sin_len = sizeof(*sin);
2485 if (which != MASK)
2486 sin->sin_family = AF_INET;
2487 if ((len == 0) || (len == 32)) {
2488 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr));
2489 return;
2490 }
2491 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr));
2492 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8)
2493 *cp++ = 0xff;
2494 if (len)
2495 *cp = 0xff << (8 - len);
2496 }
2497
2498 /*
2499 * Print a value a la the %b format of the kernel's printf
2500 */
2501 void
2502 printb(s, v, bits)
2503 const char *s;
2504 unsigned short v;
2505 const char *bits;
2506 {
2507 int i, any = 0;
2508 char c;
2509
2510 if (bits && *bits == 8)
2511 printf("%s=%o", s, v);
2512 else
2513 printf("%s=%x", s, v);
2514 bits++;
2515 if (bits) {
2516 putchar('<');
2517 while ((i = *bits++) != 0) {
2518 if (v & (1 << (i-1))) {
2519 if (any)
2520 putchar(',');
2521 any = 1;
2522 for (; (c = *bits) > 32; bits++)
2523 putchar(c);
2524 } else
2525 for (; *bits > 32; bits++)
2526 ;
2527 }
2528 putchar('>');
2529 }
2530 }
2531
2532 #ifdef INET6
2533 #define SIN6(x) ((struct sockaddr_in6 *) &(x))
2534 struct sockaddr_in6 *sin6tab[] = {
2535 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr),
2536 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)};
2537
2538 void
2539 in6_getaddr(s, which)
2540 const char *s;
2541 int which;
2542 {
2543 #if defined(__KAME__) && defined(KAME_SCOPEID)
2544 struct sockaddr_in6 *sin6 = sin6tab[which];
2545 struct addrinfo hints, *res;
2546 int error;
2547
2548 memset(&hints, 0, sizeof(hints));
2549 hints.ai_family = AF_INET6;
2550 hints.ai_socktype = SOCK_DGRAM;
2551 #if 0 /* in_getaddr() allows FQDN */
2552 hints.ai_flags = AI_NUMERICHOST;
2553 #endif
2554 error = getaddrinfo(s, "0", &hints, &res);
2555 if (error)
2556 errx(1, "%s: %s", s, gai_strerror(error));
2557 if (res->ai_next)
2558 errx(1, "%s: resolved to multiple hosts", s);
2559 if (res->ai_addrlen != sizeof(struct sockaddr_in6))
2560 errx(1, "%s: bad value", s);
2561 memcpy(sin6, res->ai_addr, res->ai_addrlen);
2562 freeaddrinfo(res);
2563 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) {
2564 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] =
2565 htons(sin6->sin6_scope_id);
2566 sin6->sin6_scope_id = 0;
2567 }
2568 #else
2569 struct sockaddr_in6 *sin = sin6tab[which];
2570
2571 sin->sin6_len = sizeof(*sin);
2572 if (which != MASK)
2573 sin->sin6_family = AF_INET6;
2574
2575 if (which == ADDR) {
2576 char *p = NULL;
2577 if((p = strrchr(s, '/')) != NULL) {
2578 *p = '\0';
2579 in6_getprefix(p + 1, MASK);
2580 explicit_prefix = 1;
2581 }
2582 }
2583
2584 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1)
2585 errx(1, "%s: bad value", s);
2586 #endif
2587 }
2588
2589 void
2590 in6_getprefix(plen, which)
2591 const char *plen;
2592 int which;
2593 {
2594 register struct sockaddr_in6 *sin = sin6tab[which];
2595 register u_char *cp;
2596 int len = strtol(plen, (char **)NULL, 10);
2597
2598 if ((len < 0) || (len > 128))
2599 errx(1, "%s: bad value", plen);
2600 sin->sin6_len = sizeof(*sin);
2601 if (which != MASK)
2602 sin->sin6_family = AF_INET6;
2603 if ((len == 0) || (len == 128)) {
2604 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr));
2605 return;
2606 }
2607 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr));
2608 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8)
2609 *cp++ = 0xff;
2610 if (len)
2611 *cp = 0xff << (8 - len);
2612 }
2613
2614 int
2615 prefix(val, size)
2616 void *val;
2617 int size;
2618 {
2619 register u_char *name = (u_char *)val;
2620 register int byte, bit, plen = 0;
2621
2622 for (byte = 0; byte < size; byte++, plen += 8)
2623 if (name[byte] != 0xff)
2624 break;
2625 if (byte == size)
2626 return (plen);
2627 for (bit = 7; bit != 0; bit--, plen++)
2628 if (!(name[byte] & (1 << bit)))
2629 break;
2630 for (; bit != 0; bit--)
2631 if (name[byte] & (1 << bit))
2632 return(0);
2633 byte++;
2634 for (; byte < size; byte++)
2635 if (name[byte])
2636 return(0);
2637 return (plen);
2638 }
2639 #endif /*INET6*/
2640
2641 #ifndef INET_ONLY
2642 void
2643 at_getaddr(addr, which)
2644 const char *addr;
2645 int which;
2646 {
2647 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr;
2648 u_int net, node;
2649
2650 sat->sat_family = AF_APPLETALK;
2651 sat->sat_len = sizeof(*sat);
2652 if (which == MASK)
2653 errx(1, "AppleTalk does not use netmasks\n");
2654 if (sscanf(addr, "%u.%u", &net, &node) != 2
2655 || net == 0 || net > 0xffff || node == 0 || node > 0xfe)
2656 errx(1, "%s: illegal address", addr);
2657 sat->sat_addr.s_net = htons(net);
2658 sat->sat_addr.s_node = node;
2659 }
2660
2661 void
2662 setatrange(range, d)
2663 const char *range;
2664 int d;
2665 {
2666 u_short first = 123, last = 123;
2667
2668 if (sscanf(range, "%hu-%hu", &first, &last) != 2
2669 || first == 0 || first > 0xffff
2670 || last == 0 || last > 0xffff || first > last)
2671 errx(1, "%s: illegal net range: %u-%u", range, first, last);
2672 at_nr.nr_firstnet = htons(first);
2673 at_nr.nr_lastnet = htons(last);
2674 }
2675
2676 void
2677 setatphase(phase, d)
2678 const char *phase;
2679 int d;
2680 {
2681 if (!strcmp(phase, "1"))
2682 at_nr.nr_phase = 1;
2683 else if (!strcmp(phase, "2"))
2684 at_nr.nr_phase = 2;
2685 else
2686 errx(1, "%s: illegal phase", phase);
2687 }
2688
2689 void
2690 checkatrange(sat)
2691 struct sockaddr_at *sat;
2692 {
2693 if (at_nr.nr_phase == 0)
2694 at_nr.nr_phase = 2; /* Default phase 2 */
2695 if (at_nr.nr_firstnet == 0)
2696 at_nr.nr_firstnet = /* Default range of one */
2697 at_nr.nr_lastnet = sat->sat_addr.s_net;
2698 printf("\tatalk %d.%d range %d-%d phase %d\n",
2699 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node,
2700 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase);
2701 if ((u_short) ntohs(at_nr.nr_firstnet) >
2702 (u_short) ntohs(sat->sat_addr.s_net)
2703 || (u_short) ntohs(at_nr.nr_lastnet) <
2704 (u_short) ntohs(sat->sat_addr.s_net))
2705 errx(1, "AppleTalk address is not in range");
2706 *((struct netrange *) &sat->sat_zero) = at_nr;
2707 }
2708
2709 #define SNS(x) ((struct sockaddr_ns *) &(x))
2710 struct sockaddr_ns *snstab[] = {
2711 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr),
2712 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)};
2713
2714 void
2715 xns_getaddr(addr, which)
2716 const char *addr;
2717 int which;
2718 {
2719 struct sockaddr_ns *sns = snstab[which];
2720
2721 sns->sns_family = AF_NS;
2722 sns->sns_len = sizeof(*sns);
2723 sns->sns_addr = ns_addr(addr);
2724 if (which == MASK)
2725 puts("Attempt to set XNS netmask will be ineffectual");
2726 }
2727
2728 #define SISO(x) ((struct sockaddr_iso *) &(x))
2729 struct sockaddr_iso *sisotab[] = {
2730 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr),
2731 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)};
2732
2733 void
2734 iso_getaddr(addr, which)
2735 const char *addr;
2736 int which;
2737 {
2738 struct sockaddr_iso *siso = sisotab[which];
2739 siso->siso_addr = *iso_addr(addr);
2740
2741 if (which == MASK) {
2742 siso->siso_len = TSEL(siso) - (caddr_t)(siso);
2743 siso->siso_nlen = 0;
2744 } else {
2745 siso->siso_len = sizeof(*siso);
2746 siso->siso_family = AF_ISO;
2747 }
2748 }
2749
2750 void
2751 setsnpaoffset(val, d)
2752 const char *val;
2753 int d;
2754 {
2755 iso_addreq.ifra_snpaoffset = atoi(val);
2756 }
2757
2758 void
2759 setnsellength(val, d)
2760 const char *val;
2761 int d;
2762 {
2763 nsellength = atoi(val);
2764 if (nsellength < 0)
2765 errx(1, "Negative NSEL length is absurd");
2766 if (afp == 0 || afp->af_af != AF_ISO)
2767 errx(1, "Setting NSEL length valid only for iso");
2768 }
2769
2770 void
2771 fixnsel(s)
2772 struct sockaddr_iso *s;
2773 {
2774 if (s->siso_family == 0)
2775 return;
2776 s->siso_tlen = nsellength;
2777 }
2778
2779 void
2780 adjust_nsellength()
2781 {
2782 fixnsel(sisotab[RIDADDR]);
2783 fixnsel(sisotab[ADDR]);
2784 fixnsel(sisotab[DSTADDR]);
2785 }
2786
2787 #endif /* INET_ONLY */
2788
2789 void
2790 usage()
2791 {
2792 const char *progname = getprogname();
2793
2794 fprintf(stderr,
2795 "usage: %s [ -m ] "
2796 #ifdef INET6
2797 "[ -L ] "
2798 #endif
2799 "interface\n"
2800 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n"
2801 "\t\t[ alias | -alias ] ]\n"
2802 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n"
2803 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n"
2804 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n"
2805 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n"
2806 "\t[ arp | -arp ]\n"
2807 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] "
2808 "[ instance minst ]\n"
2809 "\t[ vlan n vlanif i ]\n"
2810 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n"
2811 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n"
2812 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n"
2813 " %s -a [ -m ] [ -d ] [ -u ] [ af ]\n"
2814 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n"
2815 " %s -C\n"
2816 " %s interface create\n"
2817 " %s interface destroy\n",
2818 progname, progname, progname, progname, progname, progname);
2819 exit(1);
2820 }
2821
2822 #ifdef INET6
2823 char *
2824 sec2str(total)
2825 time_t total;
2826 {
2827 static char result[256];
2828 int days, hours, mins, secs;
2829 int first = 1;
2830 char *p = result;
2831
2832 if (0) { /*XXX*/
2833 days = total / 3600 / 24;
2834 hours = (total / 3600) % 24;
2835 mins = (total / 60) % 60;
2836 secs = total % 60;
2837
2838 if (days) {
2839 first = 0;
2840 p += sprintf(p, "%dd", days);
2841 }
2842 if (!first || hours) {
2843 first = 0;
2844 p += sprintf(p, "%dh", hours);
2845 }
2846 if (!first || mins) {
2847 first = 0;
2848 p += sprintf(p, "%dm", mins);
2849 }
2850 sprintf(p, "%ds", secs);
2851 } else
2852 sprintf(p, "%lu", (u_long)total);
2853
2854 return(result);
2855 }
2856 #endif
2857