Integrate remaining part of the network interface aliasing
[dragonfly.git] / sbin / ifconfig / ifconfig.c
CommitLineData
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1/*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
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32 *
33 * @(#) Copyright (c) 1983, 1993 The Regents of the University of California. All rights reserved.
34 * @(#)ifconfig.c 8.2 (Berkeley) 2/16/94
35 * $FreeBSD: src/sbin/ifconfig/ifconfig.c,v 1.51.2.19 2003/01/28 11:02:56 fjoe Exp $
8af0d623 36 * $DragonFly: src/sbin/ifconfig/ifconfig.c,v 1.6 2004/02/04 17:39:59 joerg Exp $
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37 */
38
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39#include <sys/param.h>
40#include <sys/ioctl.h>
41#include <sys/socket.h>
42#include <sys/sysctl.h>
43#include <sys/time.h>
44#include <sys/module.h>
45#include <sys/linker.h>
46
47#include <net/ethernet.h>
48#include <net/if.h>
49#include <net/if_var.h>
50#include <net/if_dl.h>
51#include <net/if_types.h>
52#include <net/route.h>
53
54/* IP */
55#include <netinet/in.h>
56#include <netinet/in_var.h>
57#include <arpa/inet.h>
58#include <netdb.h>
59
60#ifdef INET6
61#include <netinet6/nd6.h> /* Define ND6_INFINITE_LIFETIME */
62#endif
63
64#ifndef NO_IPX
65/* IPX */
66#define IPXIP
67#define IPTUNNEL
68#include <netipx/ipx.h>
69#include <netipx/ipx_if.h>
70#endif
71
72/* Appletalk */
73#include <netatalk/at.h>
74
75/* XNS */
76#ifdef NS
77#define NSIP
78#include <netns/ns.h>
79#include <netns/ns_if.h>
80#endif
81
82/* OSI */
83
84#include <ctype.h>
85#include <err.h>
86#include <errno.h>
87#include <fcntl.h>
88#include <stdio.h>
89#include <stdlib.h>
90#include <string.h>
91#include <unistd.h>
92#include <ifaddrs.h>
93
94#include "ifconfig.h"
95
96/* wrapper for KAME-special getnameinfo() */
97#ifndef NI_WITHSCOPEID
98#define NI_WITHSCOPEID 0
99#endif
100
101struct ifreq ifr, ridreq;
102struct ifaliasreq addreq;
103#ifdef INET6
104struct in6_ifreq in6_ridreq;
105struct in6_aliasreq in6_addreq =
106 { { 0 },
107 { 0 },
108 { 0 },
109 { 0 },
110 0,
111 { 0, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME } };
112#endif
113struct sockaddr_in netmask;
114struct netrange at_nr; /* AppleTalk net range */
115
116char name[32];
117int flags;
118int setaddr;
119int setipdst;
120int setmask;
121int doalias;
122int clearaddr;
123int newaddr = 1;
124#ifdef INET6
125static int ip6lifetime;
126#endif
127
128struct afswtch;
129
130int supmedia = 0;
131int listcloners = 0;
132
133#ifdef INET6
134char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/
135#endif
136
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137void Perror(const char *cmd);
138void checkatrange(struct sockaddr_at *);
139int ifconfig(int argc, char *const *argv, const struct afswtch *afp);
140void notealias(const char *, int, int, const struct afswtch *afp);
141void list_cloners(void);
142void printb(const char *s, unsigned value, const char *bits);
143void rt_xaddrs(caddr_t, caddr_t, struct rt_addrinfo *);
cd5332df 144void status(const struct afswtch *afp, int addrcount,
984263bc 145 struct sockaddr_dl *sdl, struct if_msghdr *ifm,
cd5332df 146 struct ifa_msghdr *ifam);
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147void tunnel_status(int s);
148void usage(void);
149void ifmaybeload(char *name);
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150
151#ifdef INET6
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152void in6_fillscopeid(struct sockaddr_in6 *sin6);
153int prefix(void *, int);
154static char *sec2str(time_t);
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155int explicit_prefix = 0;
156#endif
157
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158typedef void c_func(const char *cmd, int arg, int s, const struct afswtch *afp);
159typedef void c_func2(const char *arg, const char *arg2, int s, const struct afswtch *afp);
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160c_func setatphase, setatrange;
161c_func setifaddr, setifbroadaddr, setifdstaddr, setifnetmask;
162c_func2 settunnel;
163c_func deletetunnel;
164#ifdef INET6
165c_func setifprefixlen;
166c_func setip6flags;
167c_func setip6pltime;
168c_func setip6vltime;
169c_func2 setip6lifetime;
170c_func setip6eui64;
171#endif
172c_func setifipdst;
173c_func setifflags, setifmetric, setifmtu, setifcap;
174c_func clone_destroy;
175
176
9a76cd75 177void clone_create(void);
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178
179
180#define NEXTARG 0xffffff
181#define NEXTARG2 0xfffffe
182
183const
184struct cmd {
185 const char *c_name;
186 int c_parameter; /* NEXTARG means next argv */
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187 void (*c_func)(const char *, int, int, const struct afswtch *afp);
188 void (*c_func2)(const char *, const char *, int, const struct afswtch *afp);
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189} cmds[] = {
190 { "up", IFF_UP, setifflags } ,
191 { "down", -IFF_UP, setifflags },
192 { "arp", -IFF_NOARP, setifflags },
193 { "-arp", IFF_NOARP, setifflags },
194 { "debug", IFF_DEBUG, setifflags },
195 { "-debug", -IFF_DEBUG, setifflags },
196 { "promisc", IFF_PPROMISC, setifflags },
197 { "-promisc", -IFF_PPROMISC, setifflags },
198 { "add", IFF_UP, notealias },
199 { "alias", IFF_UP, notealias },
200 { "-alias", -IFF_UP, notealias },
201 { "delete", -IFF_UP, notealias },
202 { "remove", -IFF_UP, notealias },
203#ifdef notdef
204#define EN_SWABIPS 0x1000
205 { "swabips", EN_SWABIPS, setifflags },
206 { "-swabips", -EN_SWABIPS, setifflags },
207#endif
208 { "netmask", NEXTARG, setifnetmask },
209#ifdef INET6
210 { "prefixlen", NEXTARG, setifprefixlen },
211 { "anycast", IN6_IFF_ANYCAST, setip6flags },
212 { "tentative", IN6_IFF_TENTATIVE, setip6flags },
213 { "-tentative", -IN6_IFF_TENTATIVE, setip6flags },
214 { "deprecated", IN6_IFF_DEPRECATED, setip6flags },
215 { "-deprecated", -IN6_IFF_DEPRECATED, setip6flags },
216 { "autoconf", IN6_IFF_AUTOCONF, setip6flags },
217 { "-autoconf", -IN6_IFF_AUTOCONF, setip6flags },
218 { "pltime", NEXTARG, setip6pltime },
219 { "vltime", NEXTARG, setip6vltime },
220 { "eui64", 0, setip6eui64 },
221#endif
222 { "range", NEXTARG, setatrange },
223 { "phase", NEXTARG, setatphase },
224 { "metric", NEXTARG, setifmetric },
225 { "broadcast", NEXTARG, setifbroadaddr },
226 { "ipdst", NEXTARG, setifipdst },
227 { "tunnel", NEXTARG2, NULL, settunnel },
228 { "deletetunnel", 0, deletetunnel },
229 { "link0", IFF_LINK0, setifflags },
230 { "-link0", -IFF_LINK0, setifflags },
231 { "link1", IFF_LINK1, setifflags },
232 { "-link1", -IFF_LINK1, setifflags },
233 { "link2", IFF_LINK2, setifflags },
234 { "-link2", -IFF_LINK2, setifflags },
235#ifdef USE_IF_MEDIA
236 { "media", NEXTARG, setmedia },
237 { "mediaopt", NEXTARG, setmediaopt },
238 { "-mediaopt", NEXTARG, unsetmediaopt },
239#endif
240#ifdef USE_VLANS
241 { "vlan", NEXTARG, setvlantag },
242 { "vlandev", NEXTARG, setvlandev },
243 { "-vlandev", NEXTARG, unsetvlandev },
244#endif
245#if 0
246 /* XXX `create' special-cased below */
247 {"create", 0, clone_create },
248 {"plumb", 0, clone_create },
249#endif
250 {"destroy", 0, clone_destroy },
251 {"unplumb", 0, clone_destroy },
252#ifdef USE_IEEE80211
253 { "ssid", NEXTARG, set80211ssid },
254 { "nwid", NEXTARG, set80211ssid },
255 { "stationname", NEXTARG, set80211stationname },
256 { "station", NEXTARG, set80211stationname }, /* BSD/OS */
257 { "channel", NEXTARG, set80211channel },
258 { "authmode", NEXTARG, set80211authmode },
259 { "powersavemode", NEXTARG, set80211powersavemode },
260 { "powersave", 1, set80211powersave },
261 { "-powersave", 0, set80211powersave },
262 { "powersavesleep", NEXTARG, set80211powersavesleep },
263 { "wepmode", NEXTARG, set80211wepmode },
264 { "wep", 1, set80211wep },
265 { "-wep", 0, set80211wep },
266 { "weptxkey", NEXTARG, set80211weptxkey },
267 { "wepkey", NEXTARG, set80211wepkey },
268 { "nwkey", NEXTARG, set80211nwkey }, /* NetBSD */
269 { "-nwkey", 0, set80211wep }, /* NetBSD */
270#endif
271 { "rxcsum", IFCAP_RXCSUM, setifcap },
272 { "-rxcsum", -IFCAP_RXCSUM, setifcap },
273 { "txcsum", IFCAP_TXCSUM, setifcap },
274 { "-txcsum", -IFCAP_TXCSUM, setifcap },
275 { "netcons", IFCAP_NETCONS, setifcap },
276 { "-netcons", -IFCAP_NETCONS, setifcap },
277 { "normal", -IFF_LINK0, setifflags },
278 { "compress", IFF_LINK0, setifflags },
279 { "noicmp", IFF_LINK1, setifflags },
280 { "mtu", NEXTARG, setifmtu },
281 { 0, 0, setifaddr },
282 { 0, 0, setifdstaddr },
283};
284
285/*
286 * XNS support liberally adapted from code written at the University of
287 * Maryland principally by James O'Toole and Chris Torek.
288 */
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289typedef void af_status(int, struct rt_addrinfo *);
290typedef void af_getaddr(const char *, int);
291typedef void af_getprefix(const char *, int);
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292
293af_status in_status, at_status, link_status;
294af_getaddr in_getaddr, at_getaddr, link_getaddr;
295
296#ifndef NO_IPX
297af_status ipx_status;
298af_getaddr ipx_getaddr;
299#endif
300
301#ifdef INET6
302af_status in6_status;
303af_getaddr in6_getaddr;
304af_getprefix in6_getprefix;
305#endif /*INET6*/
306#ifdef NS
307af_status xns_status;
308af_getaddr xns_getaddr;
309#endif
310
311/* Known address families */
312const
313struct afswtch {
314 const char *af_name;
315 short af_af;
316 af_status *af_status;
317 af_getaddr *af_getaddr;
318 af_getprefix *af_getprefix;
319 u_long af_difaddr;
320 u_long af_aifaddr;
321 caddr_t af_ridreq;
322 caddr_t af_addreq;
323} afs[] = {
324#define C(x) ((caddr_t) &x)
325 { "inet", AF_INET, in_status, in_getaddr, NULL,
326 SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) },
327#ifdef INET6
328 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix,
329 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6,
330 C(in6_ridreq), C(in6_addreq) },
331#endif /*INET6*/
332#ifndef NO_IPX
333 { "ipx", AF_IPX, ipx_status, ipx_getaddr, NULL,
334 SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) },
335#endif
336 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL,
337 SIOCDIFADDR, SIOCAIFADDR, C(addreq), C(addreq) },
338#ifdef NS
339 { "ns", AF_NS, xns_status, xns_getaddr, NULL,
340 SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) },
341#endif
342 { "link", AF_LINK, link_status, link_getaddr, NULL,
343 0, SIOCSIFLLADDR, NULL, C(ridreq) },
344 { "ether", AF_LINK, link_status, link_getaddr, NULL,
345 0, SIOCSIFLLADDR, NULL, C(ridreq) },
346 { "lladdr", AF_LINK, link_status, link_getaddr, NULL,
347 0, SIOCSIFLLADDR, NULL, C(ridreq) },
348#if 0 /* XXX conflicts with the media command */
349#ifdef USE_IF_MEDIA
350 { "media", AF_UNSPEC, media_status, NULL, NULL, }, /* XXX not real!! */
351#endif
352#ifdef USE_VLANS
353 { "vlan", AF_UNSPEC, vlan_status, NULL, NULL, }, /* XXX not real!! */
354#endif
355#ifdef USE_IEEE80211
356 { "ieee80211", AF_UNSPEC, ieee80211_status, NULL, NULL, }, /* XXX not real!! */
357#endif
358#endif
359 { 0, 0, 0, 0 }
360};
361
362/*
363 * Expand the compacted form of addresses as returned via the
364 * configuration read via sysctl().
365 */
366
367#define ROUNDUP(a) \
368 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
369#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
370
371void
b5744197 372rt_xaddrs(caddr_t cp, caddr_t cplim, struct rt_addrinfo *rtinfo)
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373{
374 struct sockaddr *sa;
375 int i;
376
377 memset(rtinfo->rti_info, 0, sizeof(rtinfo->rti_info));
378 for (i = 0; (i < RTAX_MAX) && (cp < cplim); i++) {
379 if ((rtinfo->rti_addrs & (1 << i)) == 0)
380 continue;
381 rtinfo->rti_info[i] = sa = (struct sockaddr *)cp;
382 ADVANCE(cp, sa);
383 }
384}
385
386
387void
b5744197 388usage(void)
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389{
390#ifndef INET6
391 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
392 "usage: ifconfig interface address_family [address [dest_address]]",
393 " [parameters]",
394 " ifconfig -C",
395 " ifconfig interface create",
396 " ifconfig -a [-d] [-m] [-u] [address_family]",
397 " ifconfig -l [-d] [-u] [address_family]",
398 " ifconfig [-d] [-m] [-u]");
399#else
400 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
401 "usage: ifconfig [-L] interface address_family [address [dest_address]]",
402 " [parameters]",
403 " ifconfig -C",
404 " ifconfig interface create",
405 " ifconfig -a [-L] [-d] [-m] [-u] [address_family]",
406 " ifconfig -l [-d] [-u] [address_family]",
407 " ifconfig [-L] [-d] [-m] [-u]");
408#endif
409 exit(1);
410}
411
412int
8af0d623 413main(int argc, char * const *argv)
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414{
415 int c;
416 int all, namesonly, downonly, uponly;
417 int foundit = 0, need_nl = 0;
418 const struct afswtch *afp = 0;
419 int addrcount;
420 struct if_msghdr *ifm, *nextifm;
421 struct ifa_msghdr *ifam;
422 struct sockaddr_dl *sdl;
423 char *buf, *lim, *next;
424
425
426 size_t needed;
427 int mib[6];
428
429 /* Parse leading line options */
430 all = downonly = uponly = namesonly = 0;
431 while ((c = getopt(argc, argv, "adlmuC"
432#ifdef INET6
433 "L"
434#endif
435 )) != -1) {
436 switch (c) {
437 case 'a': /* scan all interfaces */
438 all++;
439 break;
440 case 'd': /* restrict scan to "down" interfaces */
441 downonly++;
442 break;
443 case 'l': /* scan interface names only */
444 namesonly++;
445 break;
446 case 'm': /* show media choices in status */
447 supmedia = 1;
448 break;
449 case 'u': /* restrict scan to "up" interfaces */
450 uponly++;
451 break;
452 case 'C':
453 listcloners = 1;
454 break;
455#ifdef INET6
456 case 'L':
457 ip6lifetime++; /* print IPv6 address lifetime */
458 break;
459#endif
460 default:
461 usage();
462 break;
463 }
464 }
465 argc -= optind;
466 argv += optind;
467
468 if (listcloners) {
469 /* -C must be solitary */
470 if (all || supmedia || uponly || downonly || namesonly ||
471 argc > 0)
472 usage();
473
474 list_cloners();
475 exit(0);
476 }
477
478 /* -l cannot be used with -a or -m */
479 if (namesonly && (all || supmedia))
480 usage();
481
482 /* nonsense.. */
483 if (uponly && downonly)
484 usage();
485
486 /* no arguments is equivalent to '-a' */
487 if (!namesonly && argc < 1)
488 all = 1;
489
490 /* -a and -l allow an address family arg to limit the output */
491 if (all || namesonly) {
492 if (argc > 1)
493 usage();
494
495 if (argc == 1) {
496 for (afp = afs; afp->af_name; afp++)
497 if (strcmp(afp->af_name, *argv) == 0) {
498 argc--, argv++;
499 break;
500 }
501 if (afp->af_name == NULL)
502 usage();
503 /* leave with afp non-zero */
504 }
505 } else {
506 /* not listing, need an argument */
507 if (argc < 1)
508 usage();
509
510 strncpy(name, *argv, sizeof(name));
511 argc--, argv++;
512
513 /* check and maybe load support for this interface */
514 ifmaybeload(name);
515
516 /*
517 * NOTE: We must special-case the `create' command right
518 * here as we would otherwise fail when trying to find
519 * the interface.
520 */
521 if (argc > 0 && (strcmp(argv[0], "create") == 0 ||
522 strcmp(argv[0], "plumb") == 0)) {
523 clone_create();
524 argc--, argv++;
525 if (argc == 0)
526 exit(0);
527 }
528 }
529
530 /* Check for address family */
531 if (argc > 0) {
532 for (afp = afs; afp->af_name; afp++)
533 if (strcmp(afp->af_name, *argv) == 0) {
534 argc--, argv++;
535 break;
536 }
537 if (afp->af_name == NULL)
538 afp = NULL; /* not a family, NULL */
539 }
540
541 mib[0] = CTL_NET;
542 mib[1] = PF_ROUTE;
543 mib[2] = 0;
544 mib[3] = 0; /* address family */
545 mib[4] = NET_RT_IFLIST;
546 mib[5] = 0;
547
548 /* if particular family specified, only ask about it */
549 if (afp)
550 mib[3] = afp->af_af;
551
552 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
553 errx(1, "iflist-sysctl-estimate");
554 if ((buf = malloc(needed)) == NULL)
555 errx(1, "malloc");
556 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0)
557 errx(1, "actual retrieval of interface table");
558 lim = buf + needed;
559
560 next = buf;
561 while (next < lim) {
562
563 ifm = (struct if_msghdr *)next;
564
565 if (ifm->ifm_type == RTM_IFINFO) {
566 sdl = (struct sockaddr_dl *)(ifm + 1);
567 flags = ifm->ifm_flags;
568 } else {
569 fprintf(stderr, "out of sync parsing NET_RT_IFLIST\n");
570 fprintf(stderr, "expected %d, got %d\n", RTM_IFINFO,
571 ifm->ifm_type);
572 fprintf(stderr, "msglen = %d\n", ifm->ifm_msglen);
573 fprintf(stderr, "buf:%p, next:%p, lim:%p\n", buf, next,
574 lim);
575 exit (1);
576 }
577
578 next += ifm->ifm_msglen;
579 ifam = NULL;
580 addrcount = 0;
581 while (next < lim) {
582
583 nextifm = (struct if_msghdr *)next;
584
585 if (nextifm->ifm_type != RTM_NEWADDR)
586 break;
587
588 if (ifam == NULL)
589 ifam = (struct ifa_msghdr *)nextifm;
590
591 addrcount++;
592 next += nextifm->ifm_msglen;
593 }
594
595 if (all || namesonly) {
596 if (uponly)
597 if ((flags & IFF_UP) == 0)
598 continue; /* not up */
599 if (downonly)
600 if (flags & IFF_UP)
601 continue; /* not down */
602 strncpy(name, sdl->sdl_data, sdl->sdl_nlen);
603 name[sdl->sdl_nlen] = '\0';
604 if (namesonly) {
605 if (afp == NULL ||
606 afp->af_status != link_status ||
607 sdl->sdl_type == IFT_ETHER) {
608 if (need_nl)
609 putchar(' ');
610 fputs(name, stdout);
611 need_nl++;
612 }
613 continue;
614 }
615 } else {
616 if (strlen(name) != sdl->sdl_nlen)
617 continue; /* not same len */
618 if (strncmp(name, sdl->sdl_data, sdl->sdl_nlen) != 0)
619 continue; /* not same name */
620 }
621
622 if (argc > 0)
623 ifconfig(argc, argv, afp);
624 else
625 status(afp, addrcount, sdl, ifm, ifam);
626
627 if (all == 0 && namesonly == 0) {
628 foundit++; /* flag it as 'done' */
629 break;
630 }
631 }
632 free(buf);
633
634 if (namesonly && need_nl > 0)
635 putchar('\n');
636
637 if (all == 0 && namesonly == 0 && foundit == 0)
638 errx(1, "interface %s does not exist", name);
639
640
641 exit (0);
642}
643
644
645int
b5744197 646ifconfig(int argc, char *const *argv, const struct afswtch *afp)
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647{
648 int s;
649
650 if (afp == NULL)
651 afp = &afs[0];
652 ifr.ifr_addr.sa_family = afp->af_af == AF_LINK ? AF_INET : afp->af_af;
653 strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
654
655 if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0)
656 err(1, "socket");
657
658 while (argc > 0) {
659 register const struct cmd *p;
660
661 for (p = cmds; p->c_name; p++)
662 if (strcmp(*argv, p->c_name) == 0)
663 break;
664 if (p->c_name == 0 && setaddr)
665 p++; /* got src, do dst */
666 if (p->c_func || p->c_func2) {
667 if (p->c_parameter == NEXTARG) {
668 if (argv[1] == NULL)
669 errx(1, "'%s' requires argument",
670 p->c_name);
671 (*p->c_func)(argv[1], 0, s, afp);
672 argc--, argv++;
673 } else if (p->c_parameter == NEXTARG2) {
674 if (argc < 3)
675 errx(1, "'%s' requires 2 arguments",
676 p->c_name);
677 (*p->c_func2)(argv[1], argv[2], s, afp);
678 argc -= 2, argv += 2;
679 } else
680 (*p->c_func)(*argv, p->c_parameter, s, afp);
681 }
682 argc--, argv++;
683 }
684#ifdef INET6
685 if (ifr.ifr_addr.sa_family == AF_INET6 && explicit_prefix == 0) {
686 /* Aggregatable address architecture defines all prefixes
687 are 64. So, it is convenient to set prefixlen to 64 if
688 it is not specified. */
689 setifprefixlen("64", 0, s, afp);
690 /* in6_getprefix("64", MASK) if MASK is available here... */
691 }
692#endif
693#ifndef NO_IPX
694 if (setipdst && ifr.ifr_addr.sa_family == AF_IPX) {
695 struct ipxip_req rq;
696 int size = sizeof(rq);
697
698 rq.rq_ipx = addreq.ifra_addr;
699 rq.rq_ip = addreq.ifra_dstaddr;
700
701 if (setsockopt(s, 0, SO_IPXIP_ROUTE, &rq, size) < 0)
702 Perror("Encapsulation Routing");
703 }
704#endif
705 if (ifr.ifr_addr.sa_family == AF_APPLETALK)
706 checkatrange((struct sockaddr_at *) &addreq.ifra_addr);
707#ifdef NS
708 if (setipdst && ifr.ifr_addr.sa_family == AF_NS) {
709 struct nsip_req rq;
710 int size = sizeof(rq);
711
712 rq.rq_ns = addreq.ifra_addr;
713 rq.rq_ip = addreq.ifra_dstaddr;
714
715 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0)
716 Perror("Encapsulation Routing");
717 }
718#endif
719 if (clearaddr) {
720 if (afp->af_ridreq == NULL || afp->af_difaddr == 0) {
721 warnx("interface %s cannot change %s addresses!",
722 name, afp->af_name);
723 clearaddr = NULL;
724 }
725 }
726 if (clearaddr) {
727 int ret;
728 strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name);
729 if ((ret = ioctl(s, afp->af_difaddr, afp->af_ridreq)) < 0) {
730 if (errno == EADDRNOTAVAIL && (doalias >= 0)) {
731 /* means no previous address for interface */
732 } else
733 Perror("ioctl (SIOCDIFADDR)");
734 }
735 }
736 if (newaddr) {
737 if (afp->af_addreq == NULL || afp->af_aifaddr == 0) {
738 warnx("interface %s cannot change %s addresses!",
739 name, afp->af_name);
740 newaddr = 0;
741 }
742 }
743 if (newaddr && (setaddr || setmask)) {
744 strncpy(afp->af_addreq, name, sizeof ifr.ifr_name);
745 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0)
746 Perror("ioctl (SIOCAIFADDR)");
747 }
748 close(s);
749 return(0);
750}
751#define RIDADDR 0
752#define ADDR 1
753#define MASK 2
754#define DSTADDR 3
755
756/*ARGSUSED*/
757void
b5744197 758setifaddr(const char *addr, int param, int s, const struct afswtch *afp)
984263bc
MD
759{
760 if (*afp->af_getaddr == NULL)
761 return;
762 /*
763 * Delay the ioctl to set the interface addr until flags are all set.
764 * The address interpretation may depend on the flags,
765 * and the flags may change when the address is set.
766 */
767 setaddr++;
768 if (doalias == 0 && afp->af_af != AF_LINK)
769 clearaddr = 1;
770 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR));
771}
772
773void
b5744197 774settunnel(const char *src, const char *dst, int s, const struct afswtch *afp)
984263bc
MD
775{
776 struct addrinfo hints, *srcres, *dstres;
777 struct ifaliasreq addreq;
778 int ecode;
779#ifdef INET6
780 struct in6_aliasreq in6_addreq;
781#endif
782
783 memset(&hints, 0, sizeof(hints));
784 hints.ai_family = afp->af_af;
785
786 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0)
787 errx(1, "error in parsing address string: %s",
788 gai_strerror(ecode));
789
790 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0)
791 errx(1, "error in parsing address string: %s",
792 gai_strerror(ecode));
793
794 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family)
795 errx(1,
796 "source and destination address families do not match");
797
798 switch (srcres->ai_addr->sa_family) {
799 case AF_INET:
800 memset(&addreq, 0, sizeof(addreq));
801 strncpy(addreq.ifra_name, name, IFNAMSIZ);
802 memcpy(&addreq.ifra_addr, srcres->ai_addr,
803 srcres->ai_addr->sa_len);
804 memcpy(&addreq.ifra_dstaddr, dstres->ai_addr,
805 dstres->ai_addr->sa_len);
806
807 if (ioctl(s, SIOCSIFPHYADDR, &addreq) < 0)
808 warn("SIOCSIFPHYADDR");
809 break;
810
811#ifdef INET6
812 case AF_INET6:
813 memset(&in6_addreq, 0, sizeof(in6_addreq));
814 strncpy(in6_addreq.ifra_name, name, IFNAMSIZ);
815 memcpy(&in6_addreq.ifra_addr, srcres->ai_addr,
816 srcres->ai_addr->sa_len);
817 memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr,
818 dstres->ai_addr->sa_len);
819
820 if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0)
821 warn("SIOCSIFPHYADDR_IN6");
822 break;
823#endif /* INET6 */
824
825 default:
826 warn("address family not supported");
827 }
828
829 freeaddrinfo(srcres);
830 freeaddrinfo(dstres);
831}
832
833/* ARGSUSED */
834void
b5744197 835deletetunnel(const char *vname, int param, int s, const struct afswtch *afp)
984263bc
MD
836{
837
838 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0)
839 err(1, "SIOCDIFPHYADDR");
840}
841
842void
b5744197
HP
843setifnetmask(const char *addr, int dummy __unused, int s,
844 const struct afswtch *afp)
984263bc
MD
845{
846 if (*afp->af_getaddr == NULL)
847 return;
848 setmask++;
849 (*afp->af_getaddr)(addr, MASK);
850}
851
852#ifdef INET6
853void
b5744197
HP
854setifprefixlen(const char *addr, int dummy __unused, int s,
855 const struct afswtch *afp)
984263bc
MD
856{
857 if (*afp->af_getprefix)
858 (*afp->af_getprefix)(addr, MASK);
859 explicit_prefix = 1;
860}
861
862void
b5744197
HP
863setip6flags(const char *dummyaddr __unused, int flag, int dummysoc __unused,
864 const struct afswtch *afp)
984263bc
MD
865{
866 if (afp->af_af != AF_INET6)
867 err(1, "address flags can be set only for inet6 addresses");
868
869 if (flag < 0)
870 in6_addreq.ifra_flags &= ~(-flag);
871 else
872 in6_addreq.ifra_flags |= flag;
873}
874
875void
b5744197
HP
876setip6pltime(const char *seconds, int dummy __unused, int s,
877 const struct afswtch *afp)
984263bc
MD
878{
879 setip6lifetime("pltime", seconds, s, afp);
880}
881
882void
b5744197
HP
883setip6vltime(const char *seconds, int dummy __unused, int s,
884 const struct afswtch *afp)
984263bc
MD
885{
886 setip6lifetime("vltime", seconds, s, afp);
887}
888
889void
b5744197
HP
890setip6lifetime(const char *cmd, const char *val, int s,
891 const struct afswtch *afp)
984263bc
MD
892{
893 time_t newval, t;
894 char *ep;
895
896 t = time(NULL);
897 newval = (time_t)strtoul(val, &ep, 0);
898 if (val == ep)
899 errx(1, "invalid %s", cmd);
900 if (afp->af_af != AF_INET6)
901 errx(1, "%s not allowed for the AF", cmd);
902 if (strcmp(cmd, "vltime") == 0) {
903 in6_addreq.ifra_lifetime.ia6t_expire = t + newval;
904 in6_addreq.ifra_lifetime.ia6t_vltime = newval;
905 } else if (strcmp(cmd, "pltime") == 0) {
906 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval;
907 in6_addreq.ifra_lifetime.ia6t_pltime = newval;
908 }
909}
910
911void
b5744197
HP
912setip6eui64(const char *cmd, int dummy __unused, int s,
913 const struct afswtch *afp)
984263bc
MD
914{
915 struct ifaddrs *ifap, *ifa;
916 const struct sockaddr_in6 *sin6 = NULL;
917 const struct in6_addr *lladdr = NULL;
918 struct in6_addr *in6;
919
920 if (afp->af_af != AF_INET6)
921 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd);
922 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr;
923 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0)
924 errx(EXIT_FAILURE, "interface index is already filled");
925 if (getifaddrs(&ifap) != 0)
926 err(EXIT_FAILURE, "getifaddrs");
927 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
928 if (ifa->ifa_addr->sa_family == AF_INET6 &&
929 strcmp(ifa->ifa_name, name) == 0) {
930 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr;
931 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
932 lladdr = &sin6->sin6_addr;
933 break;
934 }
935 }
936 }
937 if (!lladdr)
938 errx(EXIT_FAILURE, "could not determine link local address");
939
940 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8);
941
942 freeifaddrs(ifap);
943}
944#endif
945
946void
b5744197
HP
947setifbroadaddr(const char *addr, int dummy __unused, int s,
948 const struct afswtch *afp)
984263bc
MD
949{
950 if (*afp->af_getaddr == NULL)
951 return;
952 (*afp->af_getaddr)(addr, DSTADDR);
953}
954
955void
b5744197
HP
956setifipdst(const char *addr, int dummy __unused, int s,
957 const struct afswtch *afp)
984263bc
MD
958{
959 in_getaddr(addr, DSTADDR);
960 setipdst++;
961 clearaddr = 0;
962 newaddr = 0;
963}
964#define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr))
965
966void
b5744197 967notealias(const char *addr, int param, int s, const struct afswtch *afp)
984263bc
MD
968{
969 if (setaddr && doalias == 0 && param < 0)
970 bcopy((caddr_t)rqtosa(af_addreq),
971 (caddr_t)rqtosa(af_ridreq),
972 rqtosa(af_addreq)->sa_len);
973 doalias = param;
974 if (param < 0) {
975 clearaddr = 1;
976 newaddr = 0;
977 } else
978 clearaddr = 0;
979}
980
981/*ARGSUSED*/
982void
b5744197
HP
983setifdstaddr(const char *addr, int param __unused, int s,
984 const struct afswtch *afp)
984263bc
MD
985{
986 if (*afp->af_getaddr == NULL)
987 return;
988 (*afp->af_getaddr)(addr, DSTADDR);
989}
990
991/*
992 * Note: doing an SIOCIGIFFLAGS scribbles on the union portion
993 * of the ifreq structure, which may confuse other parts of ifconfig.
994 * Make a private copy so we can avoid that.
995 */
996void
b5744197 997setifflags(const char *vname, int value, int s, const struct afswtch *afp)
984263bc
MD
998{
999 struct ifreq my_ifr;
1000
1001 bcopy((char *)&ifr, (char *)&my_ifr, sizeof(struct ifreq));
1002
1003 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0) {
1004 Perror("ioctl (SIOCGIFFLAGS)");
1005 exit(1);
1006 }
1007 strncpy(my_ifr.ifr_name, name, sizeof (my_ifr.ifr_name));
1008 flags = (my_ifr.ifr_flags & 0xffff) | (my_ifr.ifr_flagshigh << 16);
1009
1010 if (value < 0) {
1011 value = -value;
1012 flags &= ~value;
1013 } else
1014 flags |= value;
1015 my_ifr.ifr_flags = flags & 0xffff;
1016 my_ifr.ifr_flagshigh = flags >> 16;
1017 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0)
1018 Perror(vname);
1019}
1020
1021void
b5744197 1022setifcap(const char *vname, int value, int s, const struct afswtch *afp)
984263bc
MD
1023{
1024
1025 if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) < 0) {
1026 Perror("ioctl (SIOCGIFCAP)");
1027 exit(1);
1028 }
1029 flags = ifr.ifr_curcap;
1030 if (value < 0) {
1031 value = -value;
1032 flags &= ~value;
1033 } else
1034 flags |= value;
1035 ifr.ifr_reqcap = flags;
1036 if (ioctl(s, SIOCSIFCAP, (caddr_t)&ifr) < 0)
1037 Perror(vname);
1038}
1039
1040void
b5744197
HP
1041setifmetric(const char *val, int dummy __unused, int s,
1042 const struct afswtch *afp)
984263bc
MD
1043{
1044 strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
1045 ifr.ifr_metric = atoi(val);
1046 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0)
1047 warn("ioctl (set metric)");
1048}
1049
1050void
b5744197 1051setifmtu(const char *val, int dummy __unused, int s, const struct afswtch *afp)
984263bc
MD
1052{
1053 strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
1054 ifr.ifr_mtu = atoi(val);
1055 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0)
1056 warn("ioctl (set mtu)");
1057}
1058
1059#define IFFBITS \
1060"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6SMART\7RUNNING" \
1061"\10NOARP\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2" \
1062"\20MULTICAST"
1063
1064#define IFCAPBITS \
1065"\003\1rxcsum\2txcsum\3netcons"
1066
1067/*
1068 * Print the status of the interface. If an address family was
1069 * specified, show it and it only; otherwise, show them all.
1070 */
1071void
b5744197
HP
1072status(const struct afswtch *afp, int addrcount, struct sockaddr_dl *sdl,
1073 struct if_msghdr *ifm, struct ifa_msghdr *ifam)
984263bc
MD
1074{
1075 const struct afswtch *p = NULL;
1076 struct rt_addrinfo info;
1077 int allfamilies, s;
1078 struct ifstat ifs;
1079
1080 if (afp == NULL) {
1081 allfamilies = 1;
1082 afp = &afs[0];
1083 } else
1084 allfamilies = 0;
1085
1086 ifr.ifr_addr.sa_family = afp->af_af == AF_LINK ? AF_INET : afp->af_af;
1087 strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
1088
1089 if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0)
1090 err(1, "socket");
1091
1092 printf("%s: ", name);
1093 printb("flags", flags, IFFBITS);
1094 if (ifm->ifm_data.ifi_metric)
1095 printf(" metric %ld", ifm->ifm_data.ifi_metric);
1096 if (ifm->ifm_data.ifi_mtu)
1097 printf(" mtu %ld", ifm->ifm_data.ifi_mtu);
1098 putchar('\n');
1099
1100 if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) == 0) {
1101 if (ifr.ifr_curcap != 0) {
1102 printb("\toptions", ifr.ifr_curcap, IFCAPBITS);
1103 putchar('\n');
1104 }
1105 if (supmedia && ifr.ifr_reqcap != 0) {
1106 printf("\tcapability list:\n");
1107 printb("\t\t", ifr.ifr_reqcap, IFCAPBITS);
1108 putchar('\n');
1109 }
1110 }
1111
1112 tunnel_status(s);
1113
1114 while (addrcount > 0) {
1115
1116 info.rti_addrs = ifam->ifam_addrs;
1117
1118 /* Expand the compacted addresses */
1119 rt_xaddrs((char *)(ifam + 1), ifam->ifam_msglen + (char *)ifam,
1120 &info);
1121
1122 if (!allfamilies) {
1123 if (afp->af_af == info.rti_info[RTAX_IFA]->sa_family) {
1124 p = afp;
1125 (*p->af_status)(s, &info);
1126 }
1127 } else for (p = afs; p->af_name; p++) {
1128 if (p->af_af == info.rti_info[RTAX_IFA]->sa_family)
1129 (*p->af_status)(s, &info);
1130 }
1131 addrcount--;
1132 ifam = (struct ifa_msghdr *)((char *)ifam + ifam->ifam_msglen);
1133 }
1134 if (allfamilies || afp->af_status == link_status)
1135 link_status(s, (struct rt_addrinfo *)sdl);
1136#ifdef USE_IF_MEDIA
1137 if (allfamilies || afp->af_status == media_status)
1138 media_status(s, NULL);
1139#endif
1140#ifdef USE_VLANS
1141 if (allfamilies || afp->af_status == vlan_status)
1142 vlan_status(s, NULL);
1143#endif
1144#ifdef USE_IEEE80211
1145 if (allfamilies || afp->af_status == ieee80211_status)
1146 ieee80211_status(s, NULL);
1147#endif
1148 strncpy(ifs.ifs_name, name, sizeof ifs.ifs_name);
1149 if (ioctl(s, SIOCGIFSTATUS, &ifs) == 0)
1150 printf("%s", ifs.ascii);
1151
1152 if (!allfamilies && !p && afp->af_status != media_status &&
1153 afp->af_status != link_status
1154#ifdef USE_VLANS
1155 && afp->af_status != vlan_status
1156#endif
1157 )
1158 warnx("%s has no %s interface address!", name, afp->af_name);
1159
1160 close(s);
1161 return;
1162}
1163
1164void
b5744197 1165tunnel_status(int s)
984263bc
MD
1166{
1167 char psrcaddr[NI_MAXHOST];
1168 char pdstaddr[NI_MAXHOST];
1169 u_long srccmd, dstcmd;
1170 struct ifreq *ifrp;
1171 const char *ver = "";
1172#ifdef NI_WITHSCOPEID
1173 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
1174#else
1175 const int niflag = NI_NUMERICHOST;
1176#endif
1177#ifdef INET6
1178 struct in6_ifreq in6_ifr;
1179 int s6;
1180#endif /* INET6 */
1181
1182 psrcaddr[0] = pdstaddr[0] = '\0';
1183
1184#ifdef INET6
1185 memset(&in6_ifr, 0, sizeof(in6_ifr));
1186 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ);
1187 s6 = socket(AF_INET6, SOCK_DGRAM, 0);
1188 if (s6 < 0) {
1189 srccmd = SIOCGIFPSRCADDR;
1190 dstcmd = SIOCGIFPDSTADDR;
1191 ifrp = &ifr;
1192 } else {
1193 close(s6);
1194 srccmd = SIOCGIFPSRCADDR_IN6;
1195 dstcmd = SIOCGIFPDSTADDR_IN6;
1196 ifrp = (struct ifreq *)&in6_ifr;
1197 }
1198#else /* INET6 */
1199 srccmd = SIOCGIFPSRCADDR;
1200 dstcmd = SIOCGIFPDSTADDR;
1201 ifrp = &ifr;
1202#endif /* INET6 */
1203
1204 if (ioctl(s, srccmd, (caddr_t)ifrp) < 0)
1205 return;
1206#ifdef INET6
1207 if (ifrp->ifr_addr.sa_family == AF_INET6)
1208 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr);
1209#endif
1210 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len,
1211 psrcaddr, sizeof(psrcaddr), 0, 0, niflag);
1212#ifdef INET6
1213 if (ifrp->ifr_addr.sa_family == AF_INET6)
1214 ver = "6";
1215#endif
1216
1217 if (ioctl(s, dstcmd, (caddr_t)ifrp) < 0)
1218 return;
1219#ifdef INET6
1220 if (ifrp->ifr_addr.sa_family == AF_INET6)
1221 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr);
1222#endif
1223 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len,
1224 pdstaddr, sizeof(pdstaddr), 0, 0, niflag);
1225
1226 printf("\ttunnel inet%s %s --> %s\n", ver,
1227 psrcaddr, pdstaddr);
1228}
1229
1230void
b5744197 1231in_status(int s __unused, struct rt_addrinfo *info)
984263bc
MD
1232{
1233 struct sockaddr_in *sin, null_sin;
1234
1235 memset(&null_sin, 0, sizeof(null_sin));
1236
1237 sin = (struct sockaddr_in *)info->rti_info[RTAX_IFA];
1238 printf("\tinet %s ", inet_ntoa(sin->sin_addr));
1239
1240 if (flags & IFF_POINTOPOINT) {
1241 /* note RTAX_BRD overlap with IFF_BROADCAST */
1242 sin = (struct sockaddr_in *)info->rti_info[RTAX_BRD];
1243 if (!sin)
1244 sin = &null_sin;
1245 printf("--> %s ", inet_ntoa(sin->sin_addr));
1246 }
1247
1248 sin = (struct sockaddr_in *)info->rti_info[RTAX_NETMASK];
1249 if (!sin)
1250 sin = &null_sin;
1251 printf("netmask 0x%lx ", (unsigned long)ntohl(sin->sin_addr.s_addr));
1252
1253 if (flags & IFF_BROADCAST) {
1254 /* note RTAX_BRD overlap with IFF_POINTOPOINT */
1255 sin = (struct sockaddr_in *)info->rti_info[RTAX_BRD];
1256 if (sin && sin->sin_addr.s_addr != 0)
1257 printf("broadcast %s", inet_ntoa(sin->sin_addr));
1258 }
1259 putchar('\n');
1260}
1261
1262#ifdef INET6
1263void
b5744197 1264in6_fillscopeid(struct sockaddr_in6 *sin6)
984263bc
MD
1265{
1266#if defined(__KAME__) && defined(KAME_SCOPEID)
1267 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1268 sin6->sin6_scope_id =
1269 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]);
1270 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0;
1271 }
1272#endif
1273}
1274
1275void
b5744197 1276in6_status(int s __unused, struct rt_addrinfo *info)
984263bc
MD
1277{
1278 struct sockaddr_in6 *sin, null_sin;
1279 struct in6_ifreq ifr6;
1280 int s6;
1281 u_int32_t flags6;
1282 struct in6_addrlifetime lifetime;
1283 time_t t = time(NULL);
1284 int error;
1285 u_int32_t scopeid;
1286
1287 memset(&null_sin, 0, sizeof(null_sin));
1288
1289 sin = (struct sockaddr_in6 *)info->rti_info[RTAX_IFA];
1290 strncpy(ifr6.ifr_name, ifr.ifr_name, sizeof(ifr.ifr_name));
1291 if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
1292 perror("ifconfig: socket");
1293 return;
1294 }
1295 ifr6.ifr_addr = *sin;
1296 if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0) {
1297 perror("ifconfig: ioctl(SIOCGIFAFLAG_IN6)");
1298 close(s6);
1299 return;
1300 }
1301 flags6 = ifr6.ifr_ifru.ifru_flags6;
1302 memset(&lifetime, 0, sizeof(lifetime));
1303 ifr6.ifr_addr = *sin;
1304 if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) {
1305 perror("ifconfig: ioctl(SIOCGIFALIFETIME_IN6)");
1306 close(s6);
1307 return;
1308 }
1309 lifetime = ifr6.ifr_ifru.ifru_lifetime;
1310 close(s6);
1311
1312 /* XXX: embedded link local addr check */
1313 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
1314 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
1315 u_short index;
1316
1317 index = *(u_short *)&sin->sin6_addr.s6_addr[2];
1318 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
1319 if (sin->sin6_scope_id == 0)
1320 sin->sin6_scope_id = ntohs(index);
1321 }
1322 scopeid = sin->sin6_scope_id;
1323
1324 error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, addr_buf,
1325 sizeof(addr_buf), NULL, 0,
1326 NI_NUMERICHOST|NI_WITHSCOPEID);
1327 if (error != 0)
1328 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
1329 sizeof(addr_buf));
1330 printf("\tinet6 %s ", addr_buf);
1331
1332 if (flags & IFF_POINTOPOINT) {
1333 /* note RTAX_BRD overlap with IFF_BROADCAST */
1334 sin = (struct sockaddr_in6 *)info->rti_info[RTAX_BRD];
1335 /*
1336 * some of the interfaces do not have valid destination
1337 * address.
1338 */
1339 if (sin && sin->sin6_family == AF_INET6) {
1340 int error;
1341
1342 /* XXX: embedded link local addr check */
1343 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
1344 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
1345 u_short index;
1346
1347 index = *(u_short *)&sin->sin6_addr.s6_addr[2];
1348 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
1349 if (sin->sin6_scope_id == 0)
1350 sin->sin6_scope_id = ntohs(index);
1351 }
1352
1353 error = getnameinfo((struct sockaddr *)sin,
1354 sin->sin6_len, addr_buf,
1355 sizeof(addr_buf), NULL, 0,
1356 NI_NUMERICHOST|NI_WITHSCOPEID);
1357 if (error != 0)
1358 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
1359 sizeof(addr_buf));
1360 printf("--> %s ", addr_buf);
1361 }
1362 }
1363
1364 sin = (struct sockaddr_in6 *)info->rti_info[RTAX_NETMASK];
1365 if (!sin)
1366 sin = &null_sin;
1367 printf("prefixlen %d ", prefix(&sin->sin6_addr,
1368 sizeof(struct in6_addr)));
1369
1370 if ((flags6 & IN6_IFF_ANYCAST) != 0)
1371 printf("anycast ");
1372 if ((flags6 & IN6_IFF_TENTATIVE) != 0)
1373 printf("tentative ");
1374 if ((flags6 & IN6_IFF_DUPLICATED) != 0)
1375 printf("duplicated ");
1376 if ((flags6 & IN6_IFF_DETACHED) != 0)
1377 printf("detached ");
1378 if ((flags6 & IN6_IFF_DEPRECATED) != 0)
1379 printf("deprecated ");
1380 if ((flags6 & IN6_IFF_AUTOCONF) != 0)
1381 printf("autoconf ");
1382 if ((flags6 & IN6_IFF_TEMPORARY) != 0)
1383 printf("temporary ");
1384
1385 if (scopeid)
1386 printf("scopeid 0x%x ", scopeid);
1387
1388 if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) {
1389 printf("pltime ");
1390 if (lifetime.ia6t_preferred) {
1391 printf("%s ", lifetime.ia6t_preferred < t
1392 ? "0" : sec2str(lifetime.ia6t_preferred - t));
1393 } else
1394 printf("infty ");
1395
1396 printf("vltime ");
1397 if (lifetime.ia6t_expire) {
1398 printf("%s ", lifetime.ia6t_expire < t
1399 ? "0" : sec2str(lifetime.ia6t_expire - t));
1400 } else
1401 printf("infty ");
1402 }
1403
1404 putchar('\n');
1405}
1406#endif /*INET6*/
1407
1408#ifndef NO_IPX
1409void
b5744197 1410ipx_status(int s __unused, struct rt_addrinfo *info)
984263bc
MD
1411{
1412 struct sockaddr_ipx *sipx, null_sipx;
1413
1414 memset(&null_sipx, 0, sizeof(null_sipx));
1415
1416 sipx = (struct sockaddr_ipx *)info->rti_info[RTAX_IFA];
1417 printf("\tipx %s ", ipx_ntoa(sipx->sipx_addr));
1418
1419 if (flags & IFF_POINTOPOINT) {
1420 sipx = (struct sockaddr_ipx *)info->rti_info[RTAX_BRD];
1421 if (!sipx)
1422 sipx = &null_sipx;
1423 printf("--> %s ", ipx_ntoa(sipx->sipx_addr));
1424 }
1425 putchar('\n');
1426}
1427#endif
1428
1429void
b5744197 1430at_status(int s __unused, struct rt_addrinfo *info)
984263bc
MD
1431{
1432 struct sockaddr_at *sat, null_sat;
1433 struct netrange *nr;
1434
1435 memset(&null_sat, 0, sizeof(null_sat));
1436
1437 sat = (struct sockaddr_at *)info->rti_info[RTAX_IFA];
1438 nr = &sat->sat_range.r_netrange;
1439 printf("\tatalk %d.%d range %d-%d phase %d",
1440 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node,
1441 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase);
1442 if (flags & IFF_POINTOPOINT) {
1443 /* note RTAX_BRD overlap with IFF_BROADCAST */
1444 sat = (struct sockaddr_at *)info->rti_info[RTAX_BRD];
1445 if (!sat)
1446 sat = &null_sat;
1447 printf("--> %d.%d",
1448 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node);
1449 }
1450 if (flags & IFF_BROADCAST) {
1451 /* note RTAX_BRD overlap with IFF_POINTOPOINT */
1452 sat = (struct sockaddr_at *)info->rti_info[RTAX_BRD];
1453 if (sat)
1454 printf(" broadcast %d.%d",
1455 ntohs(sat->sat_addr.s_net),
1456 sat->sat_addr.s_node);
1457 }
1458
1459 putchar('\n');
1460}
1461
1462#ifdef NS
1463void
b5744197 1464xns_status(int s __unused, struct rt_addrinfo *info)
984263bc
MD
1465{
1466 struct sockaddr_ns *sns, null_sns;
1467
1468 memset(&null_sns, 0, sizeof(null_sns));
1469
1470 sns = (struct sockaddr_ns *)info->rti_info[RTAX_IFA];
1471 printf("\tns %s ", ns_ntoa(sns->sns_addr));
1472
1473 if (flags & IFF_POINTOPOINT) {
1474 sns = (struct sockaddr_ns *)info->rti_info[RTAX_BRD];
1475 if (!sns)
1476 sns = &null_sns;
1477 printf("--> %s ", ns_ntoa(sns->sns_addr));
1478 }
1479
1480 putchar('\n');
1481 close(s);
1482}
1483#endif
1484
1485
1486void
b5744197 1487link_status(int s __unused, struct rt_addrinfo *info)
984263bc
MD
1488{
1489 struct sockaddr_dl *sdl = (struct sockaddr_dl *)info;
1490
1491 if (sdl->sdl_alen > 0) {
1492 if (sdl->sdl_type == IFT_ETHER &&
1493 sdl->sdl_alen == ETHER_ADDR_LEN)
1494 printf("\tether %s\n",
1495 ether_ntoa((struct ether_addr *)LLADDR(sdl)));
1496 else {
1497 int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0;
1498
1499 printf("\tlladdr %s\n", link_ntoa(sdl) + n);
1500 }
1501 }
1502}
1503
1504void
b5744197 1505Perror(const char *cmd)
984263bc
MD
1506{
1507 switch (errno) {
1508
1509 case ENXIO:
1510 errx(1, "%s: no such interface", cmd);
1511 break;
1512
1513 case EPERM:
1514 errx(1, "%s: permission denied", cmd);
1515 break;
1516
1517 default:
1518 err(1, "%s", cmd);
1519 }
1520}
1521
1522#define SIN(x) ((struct sockaddr_in *) &(x))
1523struct sockaddr_in *sintab[] = {
1524SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr),
1525SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)};
1526
1527void
b5744197 1528in_getaddr(const char *s, int which)
984263bc
MD
1529{
1530 register struct sockaddr_in *sin = sintab[which];
1531 struct hostent *hp;
1532 struct netent *np;
1533
1534 sin->sin_len = sizeof(*sin);
1535 if (which != MASK)
1536 sin->sin_family = AF_INET;
1537
1538 if (which == ADDR) {
1539 char *p = NULL;
1540
1541 if((p = strrchr(s, '/')) != NULL) {
1542 /* address is `name/masklen' */
1543 int masklen;
1544 int ret;
1545 struct sockaddr_in *min = sintab[MASK];
1546 *p = '\0';
1547 ret = sscanf(p+1, "%u", &masklen);
1548 if(ret != 1 || (masklen < 0 || masklen > 32)) {
1549 *p = '/';
1550 errx(1, "%s: bad value", s);
1551 }
1552 min->sin_len = sizeof(*min);
1553 min->sin_addr.s_addr = htonl(~((1LL << (32 - masklen)) - 1) &
1554 0xffffffff);
1555 }
1556 }
1557
1558 if (inet_aton(s, &sin->sin_addr))
1559 return;
1560 if ((hp = gethostbyname(s)) != 0)
1561 bcopy(hp->h_addr, (char *)&sin->sin_addr,
1562 MIN(hp->h_length, sizeof(sin->sin_addr)));
1563 else if ((np = getnetbyname(s)) != 0)
1564 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY);
1565 else
1566 errx(1, "%s: bad value", s);
1567}
1568
1569#ifdef INET6
1570#define SIN6(x) ((struct sockaddr_in6 *) &(x))
1571struct sockaddr_in6 *sin6tab[] = {
1572SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr),
1573SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)};
1574
1575void
b5744197 1576in6_getaddr(const char *s, int which)
984263bc
MD
1577{
1578 register struct sockaddr_in6 *sin = sin6tab[which];
1579 struct addrinfo hints, *res;
1580 int error = -1;
1581
1582 newaddr &= 1;
1583
1584 sin->sin6_len = sizeof(*sin);
1585 if (which != MASK)
1586 sin->sin6_family = AF_INET6;
1587
1588 if (which == ADDR) {
1589 char *p = NULL;
1590 if((p = strrchr(s, '/')) != NULL) {
1591 *p = '\0';
1592 in6_getprefix(p + 1, MASK);
1593 explicit_prefix = 1;
1594 }
1595 }
1596
1597 if (sin->sin6_family == AF_INET6) {
1598 bzero(&hints, sizeof(struct addrinfo));
1599 hints.ai_family = AF_INET6;
1600 error = getaddrinfo(s, NULL, &hints, &res);
1601 }
1602 if (error != 0) {
1603 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1)
1604 errx(1, "%s: bad value", s);
1605 } else
1606 bcopy(res->ai_addr, sin, res->ai_addrlen);
1607}
1608
1609void
b5744197 1610in6_getprefix(const char *plen, int which)
984263bc
MD
1611{
1612 register struct sockaddr_in6 *sin = sin6tab[which];
1613 register u_char *cp;
1614 int len = atoi(plen);
1615
1616 if ((len < 0) || (len > 128))
1617 errx(1, "%s: bad value", plen);
1618 sin->sin6_len = sizeof(*sin);
1619 if (which != MASK)
1620 sin->sin6_family = AF_INET6;
1621 if ((len == 0) || (len == 128)) {
1622 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr));
1623 return;
1624 }
1625 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr));
1626 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8)
1627 *cp++ = 0xff;
1628 *cp = 0xff << (8 - len);
1629}
1630#endif
1631
1632/*
1633 * Print a value a la the %b format of the kernel's printf
1634 */
1635void
b5744197 1636printb(const char *s, register unsigned v, register const char *bits)
984263bc
MD
1637{
1638 register int i, any = 0;
1639 register char c;
1640
1641 if (bits && *bits == 8)
1642 printf("%s=%o", s, v);
1643 else
1644 printf("%s=%x", s, v);
1645 bits++;
1646 if (bits) {
1647 putchar('<');
1648 while ((i = *bits++) != '\0') {
1649 if (v & (1 << (i-1))) {
1650 if (any)
1651 putchar(',');
1652 any = 1;
1653 for (; (c = *bits) > 32; bits++)
1654 putchar(c);
1655 } else
1656 for (; *bits > 32; bits++)
1657 ;
1658 }
1659 putchar('>');
1660 }
1661}
1662
1663#ifndef NO_IPX
1664#define SIPX(x) ((struct sockaddr_ipx *) &(x))
1665struct sockaddr_ipx *sipxtab[] = {
1666SIPX(ridreq.ifr_addr), SIPX(addreq.ifra_addr),
1667SIPX(addreq.ifra_mask), SIPX(addreq.ifra_broadaddr)};
1668
1669void
b5744197 1670ipx_getaddr(const char *addr, int which)
984263bc
MD
1671{
1672 struct sockaddr_ipx *sipx = sipxtab[which];
1673
1674 sipx->sipx_family = AF_IPX;
1675 sipx->sipx_len = sizeof(*sipx);
1676 sipx->sipx_addr = ipx_addr(addr);
1677 if (which == MASK)
1678 printf("Attempt to set IPX netmask will be ineffectual\n");
1679}
1680#endif
1681
1682void
b5744197 1683at_getaddr(const char *addr, int which)
984263bc
MD
1684{
1685 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr;
1686 u_int net, node;
1687
1688 sat->sat_family = AF_APPLETALK;
1689 sat->sat_len = sizeof(*sat);
1690 if (which == MASK)
1691 errx(1, "AppleTalk does not use netmasks");
1692 if (sscanf(addr, "%u.%u", &net, &node) != 2
1693 || net > 0xffff || node > 0xfe)
1694 errx(1, "%s: illegal address", addr);
1695 sat->sat_addr.s_net = htons(net);
1696 sat->sat_addr.s_node = node;
1697}
1698
1699void
b5744197 1700link_getaddr(const char *addr, int which)
984263bc
MD
1701{
1702 char *temp;
1703 struct sockaddr_dl sdl;
1704 struct sockaddr *sa = &ridreq.ifr_addr;
1705
1706 if (which != ADDR)
1707 errx(1, "can't set link-level netmask or broadcast");
1708 if ((temp = malloc(strlen(addr) + 1)) == NULL)
1709 errx(1, "malloc failed");
1710 temp[0] = ':';
1711 strcpy(temp + 1, addr);
1712 sdl.sdl_len = sizeof(sdl);
1713 link_addr(temp, &sdl);
1714 free(temp);
1715 if (sdl.sdl_alen > sizeof(sa->sa_data))
1716 errx(1, "malformed link-level address");
1717 sa->sa_family = AF_LINK;
1718 sa->sa_len = sdl.sdl_alen;
1719 bcopy(LLADDR(&sdl), sa->sa_data, sdl.sdl_alen);
1720}
1721
1722/* XXX FIXME -- should use strtoul for better parsing. */
1723void
b5744197
HP
1724setatrange(const char *range, int dummy __unused, int s,
1725 const struct afswtch *afp)
984263bc
MD
1726{
1727 u_short first = 123, last = 123;
1728
1729 if (sscanf(range, "%hu-%hu", &first, &last) != 2
1730 || first == 0 || first > 0xffff
1731 || last == 0 || last > 0xffff || first > last)
1732 errx(1, "%s: illegal net range: %u-%u", range, first, last);
1733 at_nr.nr_firstnet = htons(first);
1734 at_nr.nr_lastnet = htons(last);
1735}
1736
1737void
b5744197
HP
1738setatphase(const char *phase, int dummy __unused, int s,
1739 const struct afswtch *afp)
984263bc
MD
1740{
1741 if (!strcmp(phase, "1"))
1742 at_nr.nr_phase = 1;
1743 else if (!strcmp(phase, "2"))
1744 at_nr.nr_phase = 2;
1745 else
1746 errx(1, "%s: illegal phase", phase);
1747}
1748
1749void
1750checkatrange(struct sockaddr_at *sat)
1751{
1752 if (at_nr.nr_phase == 0)
1753 at_nr.nr_phase = 2; /* Default phase 2 */
1754 if (at_nr.nr_firstnet == 0)
1755 at_nr.nr_firstnet = /* Default range of one */
1756 at_nr.nr_lastnet = sat->sat_addr.s_net;
1757printf("\tatalk %d.%d range %d-%d phase %d\n",
1758 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node,
1759 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase);
1760 if ((u_short) ntohs(at_nr.nr_firstnet) >
1761 (u_short) ntohs(sat->sat_addr.s_net)
1762 || (u_short) ntohs(at_nr.nr_lastnet) <
1763 (u_short) ntohs(sat->sat_addr.s_net))
1764 errx(1, "AppleTalk address is not in range");
1765 sat->sat_range.r_netrange = at_nr;
1766}
1767
1768#ifdef NS
1769#define SNS(x) ((struct sockaddr_ns *) &(x))
1770struct sockaddr_ns *snstab[] = {
1771SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr),
1772SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)};
1773
1774void
b5744197 1775xns_getaddr(const char *addr, int which)
984263bc
MD
1776{
1777 struct sockaddr_ns *sns = snstab[which];
1778
1779 sns->sns_family = AF_NS;
1780 sns->sns_len = sizeof(*sns);
1781 sns->sns_addr = ns_addr(addr);
1782 if (which == MASK)
1783 printf("Attempt to set XNS netmask will be ineffectual\n");
1784}
1785#endif
1786
1787#ifdef INET6
1788int
b5744197 1789prefix(void *val, int size)
984263bc
MD
1790{
1791 register u_char *name = (u_char *)val;
1792 register int byte, bit, plen = 0;
1793
1794 for (byte = 0; byte < size; byte++, plen += 8)
1795 if (name[byte] != 0xff)
1796 break;
1797 if (byte == size)
1798 return (plen);
1799 for (bit = 7; bit != 0; bit--, plen++)
1800 if (!(name[byte] & (1 << bit)))
1801 break;
1802 for (; bit != 0; bit--)
1803 if (name[byte] & (1 << bit))
1804 return(0);
1805 byte++;
1806 for (; byte < size; byte++)
1807 if (name[byte])
1808 return(0);
1809 return (plen);
1810}
1811
1812static char *
b5744197 1813sec2str(time_t total)
984263bc
MD
1814{
1815 static char result[256];
1816 int days, hours, mins, secs;
1817 int first = 1;
1818 char *p = result;
1819
1820 if (0) {
1821 days = total / 3600 / 24;
1822 hours = (total / 3600) % 24;
1823 mins = (total / 60) % 60;
1824 secs = total % 60;
1825
1826 if (days) {
1827 first = 0;
1828 p += sprintf(p, "%dd", days);
1829 }
1830 if (!first || hours) {
1831 first = 0;
1832 p += sprintf(p, "%dh", hours);
1833 }
1834 if (!first || mins) {
1835 first = 0;
1836 p += sprintf(p, "%dm", mins);
1837 }
1838 sprintf(p, "%ds", secs);
1839 } else
1840 sprintf(result, "%lu", (unsigned long)total);
1841
1842 return(result);
1843}
1844#endif /*INET6*/
1845
1846void
b5744197 1847ifmaybeload(char *name)
984263bc
MD
1848{
1849 struct module_stat mstat;
1850 int fileid, modid;
1851 char ifkind[35], *cp, *dp;
1852
1853
1854 /* turn interface and unit into module name */
1855 strcpy(ifkind, "if_");
1856 for (cp = name, dp = ifkind + 3;
1857 (*cp != 0) && !isdigit(*cp); cp++, dp++)
1858 *dp = *cp;
1859 *dp = 0;
1860
1861 /* scan files in kernel */
1862 mstat.version = sizeof(struct module_stat);
1863 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) {
1864 /* scan modules in file */
1865 for (modid = kldfirstmod(fileid); modid > 0;
1866 modid = modfnext(modid)) {
1867 if (modstat(modid, &mstat) < 0)
1868 continue;
1869 /* strip bus name if present */
1870 if ((cp = strchr(mstat.name, '/')) != NULL) {
1871 cp++;
1872 } else {
1873 cp = mstat.name;
1874 }
1875 /* already loaded? */
1876 if (!strcmp(ifkind, cp))
1877 return;
1878 }
1879 }
1880
1881 /* not present, we should try to load it */
1882 kldload(ifkind);
1883}
1884
1885void
1886list_cloners(void)
1887{
1888 struct if_clonereq ifcr;
1889 char *cp, *buf;
1890 int idx;
1891 int s;
1892
1893 s = socket(AF_INET, SOCK_DGRAM, 0);
1894 if (s == -1)
1895 err(1, "socket");
1896
1897 memset(&ifcr, 0, sizeof(ifcr));
1898
1899 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0)
1900 err(1, "SIOCIFGCLONERS for count");
1901
1902 buf = malloc(ifcr.ifcr_total * IFNAMSIZ);
1903 if (buf == NULL)
1904 err(1, "unable to allocate cloner name buffer");
1905
1906 ifcr.ifcr_count = ifcr.ifcr_total;
1907 ifcr.ifcr_buffer = buf;
1908
1909 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0)
1910 err(1, "SIOCIFGCLONERS for names");
1911
1912 /*
1913 * In case some disappeared in the mean time, clamp it down.
1914 */
1915 if (ifcr.ifcr_count > ifcr.ifcr_total)
1916 ifcr.ifcr_count = ifcr.ifcr_total;
1917
1918 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) {
1919 if (idx > 0)
1920 putchar(' ');
1921 printf("%s", cp);
1922 }
1923
1924 putchar('\n');
1925 free(buf);
1926}
1927
1928void
b5744197 1929clone_create(void)
984263bc
MD
1930{
1931 int s;
1932
1933 s = socket(AF_INET, SOCK_DGRAM, 0);
1934 if (s == -1)
1935 err(1, "socket");
1936
1937 memset(&ifr, 0, sizeof(ifr));
1938 (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
1939 if (ioctl(s, SIOCIFCREATE, &ifr) < 0)
1940 err(1, "SIOCIFCREATE");
1941
1942 if (strcmp(name, ifr.ifr_name) != 0) {
1943 printf("%s\n", ifr.ifr_name);
1944 strlcpy(name, ifr.ifr_name, sizeof(name));
1945 }
1946
1947 close(s);
1948}
1949
1950void
b5744197 1951clone_destroy(const char *val, int d, int s, const struct afswtch *rafp)
984263bc
MD
1952{
1953
1954 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
1955 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0)
1956 err(1, "SIOCIFDESTROY");
1957}