af_inet6.c revision 166956
1138593Ssam/* 2138593Ssam * Copyright (c) 1983, 1993 3138593Ssam * The Regents of the University of California. All rights reserved. 4138593Ssam * 5138593Ssam * Redistribution and use in source and binary forms, with or without 6138593Ssam * modification, are permitted provided that the following conditions 7138593Ssam * are met: 8138593Ssam * 1. Redistributions of source code must retain the above copyright 9138593Ssam * notice, this list of conditions and the following disclaimer. 10138593Ssam * 2. Redistributions in binary form must reproduce the above copyright 11138593Ssam * notice, this list of conditions and the following disclaimer in the 12138593Ssam * documentation and/or other materials provided with the distribution. 13138593Ssam * 4. Neither the name of the University nor the names of its contributors 14138593Ssam * may be used to endorse or promote products derived from this software 15138593Ssam * without specific prior written permission. 16138593Ssam * 17138593Ssam * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18138593Ssam * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19138593Ssam * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20138593Ssam * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21138593Ssam * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22138593Ssam * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23138593Ssam * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24138593Ssam * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25138593Ssam * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26138593Ssam * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27138593Ssam * SUCH DAMAGE. 28138593Ssam */ 29138593Ssam 30138593Ssam#ifndef lint 31138593Ssamstatic const char rcsid[] = 32138593Ssam "$FreeBSD: head/sbin/ifconfig/af_inet6.c 166956 2007-02-24 23:55:46Z sam $"; 33138593Ssam#endif /* not lint */ 34138593Ssam 35138593Ssam#include <sys/param.h> 36138593Ssam#include <sys/ioctl.h> 37138593Ssam#include <sys/socket.h> 38138593Ssam#include <net/if.h> 39138593Ssam 40138593Ssam#include <err.h> 41138593Ssam#include <stdio.h> 42138593Ssam#include <stdlib.h> 43138593Ssam#include <string.h> 44138593Ssam#include <unistd.h> 45138593Ssam#include <ifaddrs.h> 46138593Ssam 47138593Ssam#include <arpa/inet.h> 48138593Ssam 49138593Ssam#include <netinet/in.h> 50138593Ssam#include <net/if_var.h> /* for struct ifaddr */ 51138593Ssam#include <netinet/in_var.h> 52138593Ssam#include <arpa/inet.h> 53138593Ssam#include <netdb.h> 54138593Ssam 55138593Ssam#include <netinet6/nd6.h> /* Define ND6_INFINITE_LIFETIME */ 56138593Ssam 57138593Ssam#include "ifconfig.h" 58138593Ssam 59138593Ssamstatic struct in6_ifreq in6_ridreq; 60138593Ssamstatic struct in6_aliasreq in6_addreq = 61138593Ssam { { 0 }, 62138593Ssam { 0 }, 63138593Ssam { 0 }, 64138593Ssam { 0 }, 65138593Ssam 0, 66138593Ssam { 0, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME } }; 67138593Ssamstatic int ip6lifetime; 68138593Ssam 69138593Ssamstatic void in6_fillscopeid(struct sockaddr_in6 *sin6); 70138593Ssamstatic int prefix(void *, int); 71138593Ssamstatic char *sec2str(time_t); 72138593Ssamstatic int explicit_prefix = 0; 73138593Ssam 74138593Ssamstatic char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/ 75138593Ssam 76138593Ssamstatic void 77138593Ssamsetifprefixlen(const char *addr, int dummy __unused, int s, 78138593Ssam const struct afswtch *afp) 79138593Ssam{ 80138593Ssam if (afp->af_getprefix != NULL) 81138593Ssam afp->af_getprefix(addr, MASK); 82138593Ssam explicit_prefix = 1; 83138593Ssam} 84138593Ssam 85138593Ssamstatic void 86138593Ssamsetip6flags(const char *dummyaddr __unused, int flag, int dummysoc __unused, 87138593Ssam const struct afswtch *afp) 88138593Ssam{ 89138593Ssam if (afp->af_af != AF_INET6) 90138593Ssam err(1, "address flags can be set only for inet6 addresses"); 91138593Ssam 92138593Ssam if (flag < 0) 93138593Ssam in6_addreq.ifra_flags &= ~(-flag); 94138593Ssam else 95138593Ssam in6_addreq.ifra_flags |= flag; 96138593Ssam} 97138593Ssam 98138593Ssamstatic void 99138593Ssamsetip6lifetime(const char *cmd, const char *val, int s, 100138593Ssam const struct afswtch *afp) 101138593Ssam{ 102138593Ssam time_t newval, t; 103138593Ssam char *ep; 104138593Ssam 105138593Ssam t = time(NULL); 106138593Ssam newval = (time_t)strtoul(val, &ep, 0); 107138593Ssam if (val == ep) 108138593Ssam errx(1, "invalid %s", cmd); 109138593Ssam if (afp->af_af != AF_INET6) 110138593Ssam errx(1, "%s not allowed for the AF", cmd); 111138593Ssam if (strcmp(cmd, "vltime") == 0) { 112138593Ssam in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 113138593Ssam in6_addreq.ifra_lifetime.ia6t_vltime = newval; 114138593Ssam } else if (strcmp(cmd, "pltime") == 0) { 115138593Ssam in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 116138593Ssam in6_addreq.ifra_lifetime.ia6t_pltime = newval; 117138593Ssam } 118138593Ssam} 119138593Ssam 120138593Ssamstatic void 121138593Ssamsetip6pltime(const char *seconds, int dummy __unused, int s, 122138593Ssam const struct afswtch *afp) 123138593Ssam{ 124138593Ssam setip6lifetime("pltime", seconds, s, afp); 125138593Ssam} 126138593Ssam 127138593Ssamstatic void 128138593Ssamsetip6vltime(const char *seconds, int dummy __unused, int s, 129138593Ssam const struct afswtch *afp) 130138593Ssam{ 131138593Ssam setip6lifetime("vltime", seconds, s, afp); 132138593Ssam} 133138593Ssam 134138593Ssamstatic void 135138593Ssamsetip6eui64(const char *cmd, int dummy __unused, int s, 136138593Ssam const struct afswtch *afp) 137138593Ssam{ 138138593Ssam struct ifaddrs *ifap, *ifa; 139138593Ssam const struct sockaddr_in6 *sin6 = NULL; 140138593Ssam const struct in6_addr *lladdr = NULL; 141138593Ssam struct in6_addr *in6; 142138593Ssam 143138593Ssam if (afp->af_af != AF_INET6) 144138593Ssam errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 145138593Ssam in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 146138593Ssam if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 147138593Ssam errx(EXIT_FAILURE, "interface index is already filled"); 148138593Ssam if (getifaddrs(&ifap) != 0) 149138593Ssam err(EXIT_FAILURE, "getifaddrs"); 150138593Ssam for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 151138593Ssam if (ifa->ifa_addr->sa_family == AF_INET6 && 152138593Ssam strcmp(ifa->ifa_name, name) == 0) { 153138593Ssam sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 154138593Ssam if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 155138593Ssam lladdr = &sin6->sin6_addr; 156138593Ssam break; 157138593Ssam } 158138593Ssam } 159138593Ssam } 160138593Ssam if (!lladdr) 161138593Ssam errx(EXIT_FAILURE, "could not determine link local address"); 162138593Ssam 163138593Ssam memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 164138593Ssam 165138593Ssam freeifaddrs(ifap); 166138593Ssam} 167138593Ssam 168138593Ssamstatic void 169138593Ssamin6_fillscopeid(struct sockaddr_in6 *sin6) 170138593Ssam{ 171138593Ssam#if defined(__KAME__) && defined(KAME_SCOPEID) 172138593Ssam if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 173138593Ssam sin6->sin6_scope_id = 174138593Ssam ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 175138593Ssam sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 176138593Ssam } 177138593Ssam#endif 178138593Ssam} 179138593Ssam 180138593Ssamstatic void 181166956Ssamin6_status(int s __unused, const struct ifaddrs *ifa) 182138593Ssam{ 183138593Ssam struct sockaddr_in6 *sin, null_sin; 184138593Ssam struct in6_ifreq ifr6; 185138593Ssam int s6; 186138593Ssam u_int32_t flags6; 187138593Ssam struct in6_addrlifetime lifetime; 188138593Ssam time_t t = time(NULL); 189138593Ssam int error; 190138593Ssam u_int32_t scopeid; 191138593Ssam 192138593Ssam memset(&null_sin, 0, sizeof(null_sin)); 193138593Ssam 194166956Ssam sin = (struct sockaddr_in6 *)ifa->ifa_addr; 195138593Ssam if (sin == NULL) 196138593Ssam return; 197138593Ssam 198138593Ssam strncpy(ifr6.ifr_name, ifr.ifr_name, sizeof(ifr.ifr_name)); 199138593Ssam if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 200138593Ssam warn("socket(AF_INET6,SOCK_DGRAM)"); 201138593Ssam return; 202138593Ssam } 203138593Ssam ifr6.ifr_addr = *sin; 204138593Ssam if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0) { 205138593Ssam warn("ioctl(SIOCGIFAFLAG_IN6)"); 206138593Ssam close(s6); 207138593Ssam return; 208138593Ssam } 209138593Ssam flags6 = ifr6.ifr_ifru.ifru_flags6; 210138593Ssam memset(&lifetime, 0, sizeof(lifetime)); 211138593Ssam ifr6.ifr_addr = *sin; 212138593Ssam if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) { 213138593Ssam warn("ioctl(SIOCGIFALIFETIME_IN6)"); 214138593Ssam close(s6); 215138593Ssam return; 216138593Ssam } 217138593Ssam lifetime = ifr6.ifr_ifru.ifru_lifetime; 218138593Ssam close(s6); 219138593Ssam 220138593Ssam /* XXX: embedded link local addr check */ 221138593Ssam if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) && 222138593Ssam *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) { 223138593Ssam u_short index; 224138593Ssam 225138593Ssam index = *(u_short *)&sin->sin6_addr.s6_addr[2]; 226138593Ssam *(u_short *)&sin->sin6_addr.s6_addr[2] = 0; 227138593Ssam if (sin->sin6_scope_id == 0) 228138593Ssam sin->sin6_scope_id = ntohs(index); 229138593Ssam } 230138593Ssam scopeid = sin->sin6_scope_id; 231138593Ssam 232138593Ssam error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, addr_buf, 233146187Sume sizeof(addr_buf), NULL, 0, NI_NUMERICHOST); 234138593Ssam if (error != 0) 235138593Ssam inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf, 236138593Ssam sizeof(addr_buf)); 237138593Ssam printf("\tinet6 %s ", addr_buf); 238138593Ssam 239166956Ssam if (ifa->ifa_flags & IFF_POINTOPOINT) { 240166956Ssam sin = (struct sockaddr_in6 *)ifa->ifa_dstaddr; 241138593Ssam /* 242138593Ssam * some of the interfaces do not have valid destination 243138593Ssam * address. 244138593Ssam */ 245166956Ssam if (sin != NULL && sin->sin6_family == AF_INET6) { 246138593Ssam int error; 247138593Ssam 248138593Ssam /* XXX: embedded link local addr check */ 249138593Ssam if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) && 250138593Ssam *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) { 251138593Ssam u_short index; 252138593Ssam 253138593Ssam index = *(u_short *)&sin->sin6_addr.s6_addr[2]; 254138593Ssam *(u_short *)&sin->sin6_addr.s6_addr[2] = 0; 255138593Ssam if (sin->sin6_scope_id == 0) 256138593Ssam sin->sin6_scope_id = ntohs(index); 257138593Ssam } 258138593Ssam 259138593Ssam error = getnameinfo((struct sockaddr *)sin, 260138593Ssam sin->sin6_len, addr_buf, 261138593Ssam sizeof(addr_buf), NULL, 0, 262146187Sume NI_NUMERICHOST); 263138593Ssam if (error != 0) 264138593Ssam inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf, 265138593Ssam sizeof(addr_buf)); 266138593Ssam printf("--> %s ", addr_buf); 267138593Ssam } 268138593Ssam } 269138593Ssam 270166956Ssam sin = (struct sockaddr_in6 *)ifa->ifa_netmask; 271166956Ssam if (sin == NULL) 272138593Ssam sin = &null_sin; 273138593Ssam printf("prefixlen %d ", prefix(&sin->sin6_addr, 274138593Ssam sizeof(struct in6_addr))); 275138593Ssam 276138593Ssam if ((flags6 & IN6_IFF_ANYCAST) != 0) 277138593Ssam printf("anycast "); 278138593Ssam if ((flags6 & IN6_IFF_TENTATIVE) != 0) 279138593Ssam printf("tentative "); 280138593Ssam if ((flags6 & IN6_IFF_DUPLICATED) != 0) 281138593Ssam printf("duplicated "); 282138593Ssam if ((flags6 & IN6_IFF_DETACHED) != 0) 283138593Ssam printf("detached "); 284138593Ssam if ((flags6 & IN6_IFF_DEPRECATED) != 0) 285138593Ssam printf("deprecated "); 286138593Ssam if ((flags6 & IN6_IFF_AUTOCONF) != 0) 287138593Ssam printf("autoconf "); 288138593Ssam if ((flags6 & IN6_IFF_TEMPORARY) != 0) 289138593Ssam printf("temporary "); 290138593Ssam 291138593Ssam if (scopeid) 292138593Ssam printf("scopeid 0x%x ", scopeid); 293138593Ssam 294138593Ssam if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) { 295138593Ssam printf("pltime "); 296138593Ssam if (lifetime.ia6t_preferred) { 297138593Ssam printf("%s ", lifetime.ia6t_preferred < t 298138593Ssam ? "0" : sec2str(lifetime.ia6t_preferred - t)); 299138593Ssam } else 300138593Ssam printf("infty "); 301138593Ssam 302138593Ssam printf("vltime "); 303138593Ssam if (lifetime.ia6t_expire) { 304138593Ssam printf("%s ", lifetime.ia6t_expire < t 305138593Ssam ? "0" : sec2str(lifetime.ia6t_expire - t)); 306138593Ssam } else 307138593Ssam printf("infty "); 308138593Ssam } 309138593Ssam 310138593Ssam putchar('\n'); 311138593Ssam} 312138593Ssam 313138593Ssam#define SIN6(x) ((struct sockaddr_in6 *) &(x)) 314138593Ssamstatic struct sockaddr_in6 *sin6tab[] = { 315138593Ssam SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 316138593Ssam SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr) 317138593Ssam}; 318138593Ssam 319138593Ssamstatic void 320138593Ssamin6_getprefix(const char *plen, int which) 321138593Ssam{ 322138593Ssam struct sockaddr_in6 *sin = sin6tab[which]; 323138593Ssam u_char *cp; 324138593Ssam int len = atoi(plen); 325138593Ssam 326138593Ssam if ((len < 0) || (len > 128)) 327138593Ssam errx(1, "%s: bad value", plen); 328138593Ssam sin->sin6_len = sizeof(*sin); 329138593Ssam if (which != MASK) 330138593Ssam sin->sin6_family = AF_INET6; 331138593Ssam if ((len == 0) || (len == 128)) { 332138593Ssam memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 333138593Ssam return; 334138593Ssam } 335138593Ssam memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 336138593Ssam for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 337138593Ssam *cp++ = 0xff; 338138593Ssam *cp = 0xff << (8 - len); 339138593Ssam} 340138593Ssam 341138593Ssamstatic void 342138593Ssamin6_getaddr(const char *s, int which) 343138593Ssam{ 344138593Ssam struct sockaddr_in6 *sin = sin6tab[which]; 345138593Ssam struct addrinfo hints, *res; 346138593Ssam int error = -1; 347138593Ssam 348138593Ssam newaddr &= 1; 349138593Ssam 350138593Ssam sin->sin6_len = sizeof(*sin); 351138593Ssam if (which != MASK) 352138593Ssam sin->sin6_family = AF_INET6; 353138593Ssam 354138593Ssam if (which == ADDR) { 355138593Ssam char *p = NULL; 356138593Ssam if((p = strrchr(s, '/')) != NULL) { 357138593Ssam *p = '\0'; 358138593Ssam in6_getprefix(p + 1, MASK); 359138593Ssam explicit_prefix = 1; 360138593Ssam } 361138593Ssam } 362138593Ssam 363138593Ssam if (sin->sin6_family == AF_INET6) { 364138593Ssam bzero(&hints, sizeof(struct addrinfo)); 365138593Ssam hints.ai_family = AF_INET6; 366138593Ssam error = getaddrinfo(s, NULL, &hints, &res); 367138593Ssam } 368138593Ssam if (error != 0) { 369138593Ssam if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 370138593Ssam errx(1, "%s: bad value", s); 371138593Ssam } else 372138593Ssam bcopy(res->ai_addr, sin, res->ai_addrlen); 373138593Ssam} 374138593Ssam 375138593Ssamstatic int 376138593Ssamprefix(void *val, int size) 377138593Ssam{ 378138593Ssam u_char *name = (u_char *)val; 379138593Ssam int byte, bit, plen = 0; 380138593Ssam 381138593Ssam for (byte = 0; byte < size; byte++, plen += 8) 382138593Ssam if (name[byte] != 0xff) 383138593Ssam break; 384138593Ssam if (byte == size) 385138593Ssam return (plen); 386138593Ssam for (bit = 7; bit != 0; bit--, plen++) 387138593Ssam if (!(name[byte] & (1 << bit))) 388138593Ssam break; 389138593Ssam for (; bit != 0; bit--) 390138593Ssam if (name[byte] & (1 << bit)) 391138593Ssam return(0); 392138593Ssam byte++; 393138593Ssam for (; byte < size; byte++) 394138593Ssam if (name[byte]) 395138593Ssam return(0); 396138593Ssam return (plen); 397138593Ssam} 398138593Ssam 399138593Ssamstatic char * 400138593Ssamsec2str(time_t total) 401138593Ssam{ 402138593Ssam static char result[256]; 403138593Ssam int days, hours, mins, secs; 404138593Ssam int first = 1; 405138593Ssam char *p = result; 406138593Ssam 407138593Ssam if (0) { 408138593Ssam days = total / 3600 / 24; 409138593Ssam hours = (total / 3600) % 24; 410138593Ssam mins = (total / 60) % 60; 411138593Ssam secs = total % 60; 412138593Ssam 413138593Ssam if (days) { 414138593Ssam first = 0; 415138593Ssam p += sprintf(p, "%dd", days); 416138593Ssam } 417138593Ssam if (!first || hours) { 418138593Ssam first = 0; 419138593Ssam p += sprintf(p, "%dh", hours); 420138593Ssam } 421138593Ssam if (!first || mins) { 422138593Ssam first = 0; 423138593Ssam p += sprintf(p, "%dm", mins); 424138593Ssam } 425138593Ssam sprintf(p, "%ds", secs); 426138593Ssam } else 427138593Ssam sprintf(result, "%lu", (unsigned long)total); 428138593Ssam 429138593Ssam return(result); 430138593Ssam} 431138593Ssam 432138593Ssamstatic void 433138593Ssamin6_postproc(int s, const struct afswtch *afp) 434138593Ssam{ 435138593Ssam if (explicit_prefix == 0) { 436138593Ssam /* Aggregatable address architecture defines all prefixes 437138593Ssam are 64. So, it is convenient to set prefixlen to 64 if 438138593Ssam it is not specified. */ 439138593Ssam setifprefixlen("64", 0, s, afp); 440138593Ssam /* in6_getprefix("64", MASK) if MASK is available here... */ 441138593Ssam } 442138593Ssam} 443138593Ssam 444138593Ssamstatic void 445138593Ssamin6_status_tunnel(int s) 446138593Ssam{ 447138593Ssam char src[NI_MAXHOST]; 448138593Ssam char dst[NI_MAXHOST]; 449138593Ssam struct in6_ifreq in6_ifr; 450138593Ssam const struct sockaddr *sa = (const struct sockaddr *) &in6_ifr.ifr_addr; 451138593Ssam 452138593Ssam memset(&in6_ifr, 0, sizeof(in6_ifr)); 453138593Ssam strncpy(in6_ifr.ifr_name, name, IFNAMSIZ); 454138593Ssam 455138593Ssam if (ioctl(s, SIOCGIFPSRCADDR_IN6, (caddr_t)&in6_ifr) < 0) 456138593Ssam return; 457147437Sume if (sa->sa_family != AF_INET6) 458147437Sume return; 459147437Sume in6_fillscopeid(&in6_ifr.ifr_addr); 460146187Sume if (getnameinfo(sa, sa->sa_len, src, sizeof(src), 0, 0, 461146187Sume NI_NUMERICHOST) != 0) 462138593Ssam src[0] = '\0'; 463138593Ssam 464138593Ssam if (ioctl(s, SIOCGIFPDSTADDR_IN6, (caddr_t)&in6_ifr) < 0) 465138593Ssam return; 466147437Sume if (sa->sa_family != AF_INET6) 467147437Sume return; 468147437Sume in6_fillscopeid(&in6_ifr.ifr_addr); 469146187Sume if (getnameinfo(sa, sa->sa_len, dst, sizeof(dst), 0, 0, 470146187Sume NI_NUMERICHOST) != 0) 471138593Ssam dst[0] = '\0'; 472138593Ssam 473138593Ssam printf("\ttunnel inet6 %s --> %s\n", src, dst); 474138593Ssam} 475138593Ssam 476138593Ssamstatic void 477138593Ssamin6_set_tunnel(int s, struct addrinfo *srcres, struct addrinfo *dstres) 478138593Ssam{ 479138593Ssam struct in6_aliasreq in6_addreq; 480138593Ssam 481138593Ssam memset(&in6_addreq, 0, sizeof(in6_addreq)); 482138593Ssam strncpy(in6_addreq.ifra_name, name, IFNAMSIZ); 483138593Ssam memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, srcres->ai_addr->sa_len); 484138593Ssam memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr, 485138593Ssam dstres->ai_addr->sa_len); 486138593Ssam 487138593Ssam if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0) 488138593Ssam warn("SIOCSIFPHYADDR_IN6"); 489138593Ssam} 490138593Ssam 491138593Ssamstatic struct cmd inet6_cmds[] = { 492138593Ssam DEF_CMD_ARG("prefixlen", setifprefixlen), 493138593Ssam DEF_CMD("anycast", IN6_IFF_ANYCAST, setip6flags), 494138593Ssam DEF_CMD("tentative", IN6_IFF_TENTATIVE, setip6flags), 495138593Ssam DEF_CMD("-tentative", -IN6_IFF_TENTATIVE, setip6flags), 496138593Ssam DEF_CMD("deprecated", IN6_IFF_DEPRECATED, setip6flags), 497138593Ssam DEF_CMD("-deprecated", -IN6_IFF_DEPRECATED, setip6flags), 498138593Ssam DEF_CMD("autoconf", IN6_IFF_AUTOCONF, setip6flags), 499138593Ssam DEF_CMD("-autoconf", -IN6_IFF_AUTOCONF, setip6flags), 500138593Ssam DEF_CMD_ARG("pltime", setip6pltime), 501138593Ssam DEF_CMD_ARG("vltime", setip6vltime), 502138593Ssam DEF_CMD("eui64", 0, setip6eui64), 503138593Ssam}; 504138593Ssam 505138593Ssamstatic struct afswtch af_inet6 = { 506138593Ssam .af_name = "inet6", 507138593Ssam .af_af = AF_INET6, 508138593Ssam .af_status = in6_status, 509138593Ssam .af_getaddr = in6_getaddr, 510138593Ssam .af_getprefix = in6_getprefix, 511138593Ssam .af_postproc = in6_postproc, 512138593Ssam .af_status_tunnel = in6_status_tunnel, 513138593Ssam .af_settunnel = in6_set_tunnel, 514138593Ssam .af_difaddr = SIOCDIFADDR_IN6, 515138593Ssam .af_aifaddr = SIOCAIFADDR_IN6, 516166446Sbms .af_ridreq = &in6_addreq, 517138593Ssam .af_addreq = &in6_addreq, 518138593Ssam}; 519138593Ssam 520138593Ssamstatic void 521138593Ssamin6_Lopt_cb(const char *optarg __unused) 522138593Ssam{ 523138593Ssam ip6lifetime++; /* print IPv6 address lifetime */ 524138593Ssam} 525138593Ssamstatic struct option in6_Lopt = { "L", "[-L]", in6_Lopt_cb }; 526138593Ssam 527138593Ssamstatic __constructor void 528138593Ssaminet6_ctor(void) 529138593Ssam{ 530138593Ssam#define N(a) (sizeof(a) / sizeof(a[0])) 531138593Ssam int i; 532138593Ssam 533138593Ssam for (i = 0; i < N(inet6_cmds); i++) 534138593Ssam cmd_register(&inet6_cmds[i]); 535138593Ssam af_register(&af_inet6); 536138593Ssam opt_register(&in6_Lopt); 537138593Ssam#undef N 538138593Ssam} 539