1/* 2 * Copyright (c) 2009-2013 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29/* 30 * Copyright (c) 1983, 1993 31 * The Regents of the University of California. All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * 2. Redistributions in binary form must reproduce the above copyright 39 * notice, this list of conditions and the following disclaimer in the 40 * documentation and/or other materials provided with the distribution. 41 * 4. Neither the name of the University nor the names of its contributors 42 * may be used to endorse or promote products derived from this software 43 * without specific prior written permission. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 48 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55 * SUCH DAMAGE. 56 */ 57 58 59#include <sys/param.h> 60#include <sys/ioctl.h> 61#include <sys/socket.h> 62#include <net/if.h> 63 64#include <err.h> 65#include <errno.h> 66#include <stdio.h> 67#include <stdlib.h> 68#include <string.h> 69#include <unistd.h> 70#include <ifaddrs.h> 71 72#include <arpa/inet.h> 73 74#include <netinet/in.h> 75#include <net/if_var.h> /* for struct ifaddr */ 76#include <netinet/in_var.h> 77#include <arpa/inet.h> 78#include <netdb.h> 79 80#include <netinet6/nd6.h> /* Define ND6_INFINITE_LIFETIME */ 81 82#include "ifconfig.h" 83 84#define ND6BITS "\020\001PERFORMNUD\002ACCEPT_RTADV\003PREFER_SOURCE" \ 85 "\004IFDISABLED\005DONT_SET_IFROUTE\006PROXY_PREFIXES" \ 86 "\007IGNORE_NA\010INSECURE" 87 88static struct in6_ifreq in6_ridreq; 89static struct in6_aliasreq in6_addreq = 90 { { 0 }, 91 { 0 }, 92 { 0 }, 93 { 0 }, 94 0, 95 { 0, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME } }; 96static int ip6lifetime; 97 98static void in6_fillscopeid(struct sockaddr_in6 *sin6); 99static int prefix(void *, int); 100static char *sec2str(time_t); 101static int explicit_prefix = 0; 102 103static char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/ 104 105static void 106setifprefixlen(const char *addr, int dummy __unused, int s, 107 const struct afswtch *afp) 108{ 109 if (afp->af_getprefix != NULL) 110 afp->af_getprefix(addr, MASK); 111 explicit_prefix = 1; 112} 113 114static void 115setnd6flags(const char *dummyaddr __unused, int d, int s, 116 const struct afswtch *afp) 117{ 118 struct in6_ndireq nd; 119 int error; 120 121 memset(&nd, 0, sizeof(nd)); 122 strncpy(nd.ifname, ifr.ifr_name, sizeof(nd.ifname)); 123 error = ioctl(s, SIOCGIFINFO_IN6, &nd); 124 if (error) { 125 warn("ioctl(SIOCGIFINFO_IN6)"); 126 return; 127 } 128 if (d < 0) 129 nd.ndi.flags &= ~(-d); 130 else 131 nd.ndi.flags |= d; 132 error = ioctl(s, SIOCSIFINFO_FLAGS, (caddr_t)&nd); 133 if (error) 134 warn("ioctl(SIOCSIFINFO_FLAGS)"); 135} 136 137static void 138setip6flags(const char *dummyaddr __unused, int flag, int dummysoc __unused, 139 const struct afswtch *afp) 140{ 141 if (afp->af_af != AF_INET6) 142 err(1, "address flags can be set only for inet6 addresses"); 143 144 if (flag < 0) 145 in6_addreq.ifra_flags &= ~(-flag); 146 else 147 in6_addreq.ifra_flags |= flag; 148} 149 150static void 151setip6lifetime(const char *cmd, const char *val, int s, 152 const struct afswtch *afp) 153{ 154 time_t newval, t; 155 char *ep; 156 157 t = time(NULL); 158 newval = (time_t)strtoul(val, &ep, 0); 159 if (val == ep) 160 errx(1, "invalid %s", cmd); 161 if (afp->af_af != AF_INET6) 162 errx(1, "%s not allowed for the AF", cmd); 163 if (strcmp(cmd, "vltime") == 0) { 164 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 165 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 166 } else if (strcmp(cmd, "pltime") == 0) { 167 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 168 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 169 } 170} 171 172static void 173setip6pltime(const char *seconds, int dummy __unused, int s, 174 const struct afswtch *afp) 175{ 176 setip6lifetime("pltime", seconds, s, afp); 177} 178 179static void 180setip6vltime(const char *seconds, int dummy __unused, int s, 181 const struct afswtch *afp) 182{ 183 setip6lifetime("vltime", seconds, s, afp); 184} 185 186static void 187setip6eui64(const char *cmd, int dummy __unused, int s, 188 const struct afswtch *afp) 189{ 190 struct ifaddrs *ifap, *ifa; 191 const struct sockaddr_in6 *sin6 = NULL; 192 const struct in6_addr *lladdr = NULL; 193 struct in6_addr *in6; 194 195 if (afp->af_af != AF_INET6) 196 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 197 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 198 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 199 errx(EXIT_FAILURE, "interface index is already filled"); 200 if (getifaddrs(&ifap) != 0) 201 err(EXIT_FAILURE, "getifaddrs"); 202 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 203 if (ifa->ifa_addr->sa_family == AF_INET6 && 204 strcmp(ifa->ifa_name, name) == 0) { 205 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 206 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 207 lladdr = &sin6->sin6_addr; 208 break; 209 } 210 } 211 } 212 if (!lladdr) 213 errx(EXIT_FAILURE, "could not determine link local address"); 214 215 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 216 217 freeifaddrs(ifap); 218} 219 220static void 221in6_fillscopeid(struct sockaddr_in6 *sin6) 222{ 223#if defined(__KAME__) && defined(KAME_SCOPEID) 224 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 225 sin6->sin6_scope_id = 226 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 227 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 228 } 229#endif 230} 231 232static void 233in6_status(int s __unused, const struct ifaddrs *ifa) 234{ 235 struct sockaddr_in6 *sin, null_sin; 236 struct in6_ifreq ifr6; 237 int s6; 238 u_int32_t flags6; 239 struct in6_addrlifetime lifetime; 240 time_t t = time(NULL); 241 int error; 242 u_int32_t scopeid; 243 244 memset(&null_sin, 0, sizeof(null_sin)); 245 246 sin = (struct sockaddr_in6 *)ifa->ifa_addr; 247 if (sin == NULL) 248 return; 249 250 strncpy(ifr6.ifr_name, ifr.ifr_name, sizeof(ifr.ifr_name)); 251 if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 252 warn("socket(AF_INET6,SOCK_DGRAM)"); 253 return; 254 } 255 ifr6.ifr_addr = *sin; 256 if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0) { 257 warn("ioctl(SIOCGIFAFLAG_IN6)"); 258 close(s6); 259 return; 260 } 261 flags6 = ifr6.ifr_ifru.ifru_flags6; 262 memset(&lifetime, 0, sizeof(lifetime)); 263 ifr6.ifr_addr = *sin; 264 if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) { 265 warn("ioctl(SIOCGIFALIFETIME_IN6)"); 266 close(s6); 267 return; 268 } 269 lifetime = ifr6.ifr_ifru.ifru_lifetime; 270 close(s6); 271 272 /* XXX: embedded link local addr check */ 273 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) && 274 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) { 275 u_short index; 276 277 index = *(u_short *)&sin->sin6_addr.s6_addr[2]; 278 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0; 279 if (sin->sin6_scope_id == 0) 280 sin->sin6_scope_id = ntohs(index); 281 } 282 scopeid = sin->sin6_scope_id; 283 284 error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, addr_buf, 285 sizeof(addr_buf), NULL, 0, NI_NUMERICHOST); 286 if (error != 0) 287 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf, 288 sizeof(addr_buf)); 289 printf("\tinet6 %s ", addr_buf); 290 291 if (ifa->ifa_flags & IFF_POINTOPOINT) { 292 sin = (struct sockaddr_in6 *)ifa->ifa_dstaddr; 293 /* 294 * some of the interfaces do not have valid destination 295 * address. 296 */ 297 if (sin != NULL && sin->sin6_family == AF_INET6) { 298 int error; 299 300 /* XXX: embedded link local addr check */ 301 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) && 302 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) { 303 u_short index; 304 305 index = *(u_short *)&sin->sin6_addr.s6_addr[2]; 306 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0; 307 if (sin->sin6_scope_id == 0) 308 sin->sin6_scope_id = ntohs(index); 309 } 310 311 error = getnameinfo((struct sockaddr *)sin, 312 sin->sin6_len, addr_buf, 313 sizeof(addr_buf), NULL, 0, 314 NI_NUMERICHOST); 315 if (error != 0) 316 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf, 317 sizeof(addr_buf)); 318 printf("--> %s ", addr_buf); 319 } 320 } 321 322 sin = (struct sockaddr_in6 *)ifa->ifa_netmask; 323 if (sin == NULL) 324 sin = &null_sin; 325 printf("prefixlen %d ", prefix(&sin->sin6_addr, 326 sizeof(struct in6_addr))); 327 328 if ((flags6 & IN6_IFF_ANYCAST) != 0) 329 printf("anycast "); 330 if ((flags6 & IN6_IFF_TENTATIVE) != 0) 331 printf("tentative "); 332 if ((flags6 & IN6_IFF_OPTIMISTIC) != 0) 333 printf("optimistic "); 334 if ((flags6 & IN6_IFF_DUPLICATED) != 0) 335 printf("duplicated "); 336 if ((flags6 & IN6_IFF_DETACHED) != 0) 337 printf("detached "); 338 if ((flags6 & IN6_IFF_DEPRECATED) != 0) 339 printf("deprecated "); 340 if ((flags6 & IN6_IFF_AUTOCONF) != 0) 341 printf("autoconf "); 342 if ((flags6 & IN6_IFF_TEMPORARY) != 0) 343 printf("temporary "); 344 if ((flags6 & IN6_IFF_DYNAMIC) != 0) 345 printf("dynamic "); 346 if ((flags6 & IN6_IFF_SECURED) != 0) 347 printf("secured "); 348 349 if (scopeid) 350 printf("scopeid 0x%x ", scopeid); 351 352 if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) { 353 printf("pltime "); 354 if (lifetime.ia6t_preferred) { 355 printf("%s ", lifetime.ia6t_preferred < t 356 ? "0" : sec2str(lifetime.ia6t_preferred - t)); 357 } else 358 printf("infty "); 359 360 printf("vltime "); 361 if (lifetime.ia6t_expire) { 362 printf("%s ", lifetime.ia6t_expire < t 363 ? "0" : sec2str(lifetime.ia6t_expire - t)); 364 } else 365 printf("infty "); 366 } 367 368 putchar('\n'); 369} 370 371#define SIN6(x) ((struct sockaddr_in6 *) &(x)) 372static struct sockaddr_in6 *sin6tab[] = { 373 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 374 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr) 375}; 376 377static void 378in6_getprefix(const char *plen, int which) 379{ 380 struct sockaddr_in6 *sin = sin6tab[which]; 381 u_char *cp; 382 int len = atoi(plen); 383 384 if ((len < 0) || (len > 128)) 385 errx(1, "%s: bad value", plen); 386 sin->sin6_len = sizeof(*sin); 387 if (which != MASK) 388 sin->sin6_family = AF_INET6; 389 if ((len == 0) || (len == 128)) { 390 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 391 return; 392 } 393 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 394 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 395 *cp++ = 0xff; 396 *cp = 0xff << (8 - len); 397} 398 399static void 400in6_getaddr(const char *s, int which) 401{ 402 struct sockaddr_in6 *sin = sin6tab[which]; 403 struct addrinfo hints, *res; 404 int error = -1; 405 406 newaddr &= 1; 407 408 sin->sin6_len = sizeof(*sin); 409 if (which != MASK) 410 sin->sin6_family = AF_INET6; 411 412 if (which == ADDR) { 413 char *p = NULL; 414 if((p = strrchr(s, '/')) != NULL) { 415 *p = '\0'; 416 in6_getprefix(p + 1, MASK); 417 explicit_prefix = 1; 418 } 419 } 420 421 if (sin->sin6_family == AF_INET6) { 422 bzero(&hints, sizeof(struct addrinfo)); 423 hints.ai_family = AF_INET6; 424 error = getaddrinfo(s, NULL, &hints, &res); 425 } 426 if (error != 0) { 427 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 428 errx(1, "%s: bad value", s); 429 } else 430 bcopy(res->ai_addr, sin, res->ai_addrlen); 431} 432 433static int 434prefix(void *val, int size) 435{ 436 u_char *name = (u_char *)val; 437 int byte, bit, plen = 0; 438 439 for (byte = 0; byte < size; byte++, plen += 8) 440 if (name[byte] != 0xff) 441 break; 442 if (byte == size) 443 return (plen); 444 for (bit = 7; bit != 0; bit--, plen++) 445 if (!(name[byte] & (1 << bit))) 446 break; 447 for (; bit != 0; bit--) 448 if (name[byte] & (1 << bit)) 449 return(0); 450 byte++; 451 for (; byte < size; byte++) 452 if (name[byte]) 453 return(0); 454 return (plen); 455} 456 457static char * 458sec2str(time_t total) 459{ 460 static char result[256]; 461 int days, hours, mins, secs; 462 int first = 1; 463 char *p = result; 464 465 if (0) { 466 days = total / 3600 / 24; 467 hours = (total / 3600) % 24; 468 mins = (total / 60) % 60; 469 secs = total % 60; 470 471 if (days) { 472 first = 0; 473 p += snprintf(p, sizeof(result) - (p - result), "%dd", days); 474 } 475 if (!first || hours) { 476 first = 0; 477 p += snprintf(p, sizeof(result) - (p - result), "%dh", hours); 478 } 479 if (!first || mins) { 480 first = 0; 481 p += snprintf(p, sizeof(result) - (p - result), "%dm", mins); 482 } 483 snprintf(p, sizeof(result) - (p - result), "%ds", secs); 484 } else 485 snprintf(result, sizeof(result), "%lu", (unsigned long)total); 486 487 return(result); 488} 489 490static void 491in6_postproc(int s, const struct afswtch *afp) 492{ 493 if (explicit_prefix == 0) { 494 /* Aggregatable address architecture defines all prefixes 495 are 64. So, it is convenient to set prefixlen to 64 if 496 it is not specified. */ 497 setifprefixlen("64", 0, s, afp); 498 /* in6_getprefix("64", MASK) if MASK is available here... */ 499 } 500} 501 502static void 503in6_status_tunnel(int s) 504{ 505 char src[NI_MAXHOST]; 506 char dst[NI_MAXHOST]; 507 struct in6_ifreq in6_ifr; 508 const struct sockaddr *sa = (const struct sockaddr *) &in6_ifr.ifr_addr; 509 510 memset(&in6_ifr, 0, sizeof(in6_ifr)); 511 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ); 512 513 if (ioctl(s, SIOCGIFPSRCADDR_IN6, (caddr_t)&in6_ifr) < 0) 514 return; 515 if (sa->sa_family != AF_INET6) 516 return; 517 in6_fillscopeid(&in6_ifr.ifr_addr); 518 if (getnameinfo(sa, sa->sa_len, src, sizeof(src), 0, 0, 519 NI_NUMERICHOST) != 0) 520 src[0] = '\0'; 521 522 if (ioctl(s, SIOCGIFPDSTADDR_IN6, (caddr_t)&in6_ifr) < 0) 523 return; 524 if (sa->sa_family != AF_INET6) 525 return; 526 in6_fillscopeid(&in6_ifr.ifr_addr); 527 if (getnameinfo(sa, sa->sa_len, dst, sizeof(dst), 0, 0, 528 NI_NUMERICHOST) != 0) 529 dst[0] = '\0'; 530 531 printf("\ttunnel inet6 %s --> %s\n", src, dst); 532} 533 534static void 535nd6_status(int s) 536{ 537 struct in6_ndireq nd; 538 int s6; 539 int error; 540 541 memset(&nd, 0, sizeof(nd)); 542 strncpy(nd.ifname, ifr.ifr_name, sizeof(nd.ifname)); 543 if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 544 if (errno != EPROTONOSUPPORT) 545 warn("socket(AF_INET6, SOCK_DGRAM)"); 546 return; 547 } 548 error = ioctl(s6, SIOCGIFINFO_IN6, &nd); 549 if (error) { 550 if (errno != EPFNOSUPPORT && errno != EINVAL) 551 warn("ioctl(SIOCGIFINFO_IN6)"); 552 close(s6); 553 return; 554 } 555 close(s6); 556 if (nd.ndi.flags == 0) 557 return; 558 printb("\tnd6 options", (unsigned int)nd.ndi.flags, ND6BITS); 559 putchar('\n'); 560} 561 562static void 563in6_set_tunnel(int s, struct addrinfo *srcres, struct addrinfo *dstres) 564{ 565 struct in6_aliasreq in6_addreq; 566 567 memset(&in6_addreq, 0, sizeof(in6_addreq)); 568 strncpy(in6_addreq.ifra_name, name, IFNAMSIZ); 569 memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, srcres->ai_addr->sa_len); 570 memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr, 571 dstres->ai_addr->sa_len); 572 573 if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0) 574 warn("SIOCSIFPHYADDR_IN6"); 575} 576 577static void 578in6_set_router(int s, int enable) 579{ 580 struct ifreq ifr; 581 582 bzero(&ifr, sizeof (ifr)); 583 strncpy(ifr.ifr_name, name, IFNAMSIZ); 584 ifr.ifr_intval = enable; 585 586 if (ioctl(s, SIOCSETROUTERMODE_IN6, &ifr) < 0) 587 warn("SIOCSETROUTERMODE_IN6"); 588} 589 590static struct cmd inet6_cmds[] = { 591 DEF_CMD_ARG("prefixlen", setifprefixlen), 592 DEF_CMD("anycast", IN6_IFF_ANYCAST, setip6flags), 593 DEF_CMD("tentative", IN6_IFF_TENTATIVE, setip6flags), 594 DEF_CMD("-tentative", -IN6_IFF_TENTATIVE, setip6flags), 595 /* RFC 4429, section 3.1, says: 596 * "Optimistic DAD SHOULD NOT be used for manually entered 597 * addresses." 598 * 599 * DEF_CMD("optimistic", IN6_IFF_OPTIMISTIC, setip6flags), 600 * DEF_CMD("-optimistic", -IN6_IFF_OPTIMISTIC, setip6flags), 601 */ 602 DEF_CMD("deprecated", IN6_IFF_DEPRECATED, setip6flags), 603 DEF_CMD("-deprecated", -IN6_IFF_DEPRECATED, setip6flags), 604 DEF_CMD("autoconf", IN6_IFF_AUTOCONF, setip6flags), 605 DEF_CMD("-autoconf", -IN6_IFF_AUTOCONF, setip6flags), 606 DEF_CMD("nud", ND6_IFF_PERFORMNUD, setnd6flags), 607 DEF_CMD("-nud", -ND6_IFF_PERFORMNUD, setnd6flags), 608 DEF_CMD("ifdisabled", ND6_IFF_IFDISABLED, setnd6flags), 609 DEF_CMD("-ifdisabled", -ND6_IFF_IFDISABLED, setnd6flags), 610 DEF_CMD("ignore_na", ND6_IFF_IGNORE_NA, setnd6flags), 611 DEF_CMD("-ignore_na", -ND6_IFF_IGNORE_NA, setnd6flags), 612 DEF_CMD("proxy_prefixes", ND6_IFF_PROXY_PREFIXES, setnd6flags), 613 DEF_CMD("-proxy_prefixes", -ND6_IFF_PROXY_PREFIXES, setnd6flags), 614 DEF_CMD("insecure", ND6_IFF_INSECURE, setnd6flags), 615 DEF_CMD("-insecure", -ND6_IFF_INSECURE, setnd6flags), 616 DEF_CMD_ARG("pltime", setip6pltime), 617 DEF_CMD_ARG("vltime", setip6vltime), 618 DEF_CMD("eui64", 0, setip6eui64), 619 DEF_CMD("secured", IN6_IFF_SECURED, setip6flags), 620 DEF_CMD("-secured", -IN6_IFF_SECURED, setip6flags), 621}; 622 623static struct afswtch af_inet6 = { 624 .af_name = "inet6", 625 .af_af = AF_INET6, 626 .af_status = in6_status, 627 .af_getaddr = in6_getaddr, 628 .af_getprefix = in6_getprefix, 629 .af_other_status = nd6_status, 630 .af_postproc = in6_postproc, 631 .af_status_tunnel = in6_status_tunnel, 632 .af_settunnel = in6_set_tunnel, 633 .af_setrouter = in6_set_router, 634 .af_difaddr = SIOCDIFADDR_IN6, 635 .af_aifaddr = SIOCAIFADDR_IN6, 636 .af_ridreq = &in6_ridreq, 637 .af_addreq = &in6_addreq, 638}; 639 640static void 641in6_Lopt_cb(const char *optarg __unused) 642{ 643 ip6lifetime++; /* print IPv6 address lifetime */ 644} 645static struct option in6_Lopt = { "L", "[-L]", in6_Lopt_cb }; 646 647static __constructor void 648inet6_ctor(void) 649{ 650#define N(a) (sizeof(a) / sizeof(a[0])) 651 int i; 652 653 for (i = 0; i < N(inet6_cmds); i++) 654 cmd_register(&inet6_cmds[i]); 655 af_register(&af_inet6); 656 opt_register(&in6_Lopt); 657#undef N 658} 659