af_inet6.c revision 166446
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 166446 2007-02-03 03:40:33Z bms $"; 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#include <net/route.h> /* for RTX_IFA */ 40138593Ssam 41138593Ssam#include <err.h> 42138593Ssam#include <stdio.h> 43138593Ssam#include <stdlib.h> 44138593Ssam#include <string.h> 45138593Ssam#include <unistd.h> 46138593Ssam#include <ifaddrs.h> 47138593Ssam 48138593Ssam#include <arpa/inet.h> 49138593Ssam 50138593Ssam#include <netinet/in.h> 51138593Ssam#include <net/if_var.h> /* for struct ifaddr */ 52138593Ssam#include <netinet/in_var.h> 53138593Ssam#include <arpa/inet.h> 54138593Ssam#include <netdb.h> 55138593Ssam 56138593Ssam#include <netinet6/nd6.h> /* Define ND6_INFINITE_LIFETIME */ 57138593Ssam 58138593Ssam#include "ifconfig.h" 59138593Ssam 60138593Ssamstatic struct in6_ifreq in6_ridreq; 61138593Ssamstatic struct in6_aliasreq in6_addreq = 62138593Ssam { { 0 }, 63138593Ssam { 0 }, 64138593Ssam { 0 }, 65138593Ssam { 0 }, 66138593Ssam 0, 67138593Ssam { 0, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME } }; 68138593Ssamstatic int ip6lifetime; 69138593Ssam 70138593Ssamstatic void in6_fillscopeid(struct sockaddr_in6 *sin6); 71138593Ssamstatic int prefix(void *, int); 72138593Ssamstatic char *sec2str(time_t); 73138593Ssamstatic int explicit_prefix = 0; 74138593Ssam 75138593Ssamstatic char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/ 76138593Ssam 77138593Ssamstatic void 78138593Ssamsetifprefixlen(const char *addr, int dummy __unused, int s, 79138593Ssam const struct afswtch *afp) 80138593Ssam{ 81138593Ssam if (afp->af_getprefix != NULL) 82138593Ssam afp->af_getprefix(addr, MASK); 83138593Ssam explicit_prefix = 1; 84138593Ssam} 85138593Ssam 86138593Ssamstatic void 87138593Ssamsetip6flags(const char *dummyaddr __unused, int flag, int dummysoc __unused, 88138593Ssam const struct afswtch *afp) 89138593Ssam{ 90138593Ssam if (afp->af_af != AF_INET6) 91138593Ssam err(1, "address flags can be set only for inet6 addresses"); 92138593Ssam 93138593Ssam if (flag < 0) 94138593Ssam in6_addreq.ifra_flags &= ~(-flag); 95138593Ssam else 96138593Ssam in6_addreq.ifra_flags |= flag; 97138593Ssam} 98138593Ssam 99138593Ssamstatic void 100138593Ssamsetip6lifetime(const char *cmd, const char *val, int s, 101138593Ssam const struct afswtch *afp) 102138593Ssam{ 103138593Ssam time_t newval, t; 104138593Ssam char *ep; 105138593Ssam 106138593Ssam t = time(NULL); 107138593Ssam newval = (time_t)strtoul(val, &ep, 0); 108138593Ssam if (val == ep) 109138593Ssam errx(1, "invalid %s", cmd); 110138593Ssam if (afp->af_af != AF_INET6) 111138593Ssam errx(1, "%s not allowed for the AF", cmd); 112138593Ssam if (strcmp(cmd, "vltime") == 0) { 113138593Ssam in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 114138593Ssam in6_addreq.ifra_lifetime.ia6t_vltime = newval; 115138593Ssam } else if (strcmp(cmd, "pltime") == 0) { 116138593Ssam in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 117138593Ssam in6_addreq.ifra_lifetime.ia6t_pltime = newval; 118138593Ssam } 119138593Ssam} 120138593Ssam 121138593Ssamstatic void 122138593Ssamsetip6pltime(const char *seconds, int dummy __unused, int s, 123138593Ssam const struct afswtch *afp) 124138593Ssam{ 125138593Ssam setip6lifetime("pltime", seconds, s, afp); 126138593Ssam} 127138593Ssam 128138593Ssamstatic void 129138593Ssamsetip6vltime(const char *seconds, int dummy __unused, int s, 130138593Ssam const struct afswtch *afp) 131138593Ssam{ 132138593Ssam setip6lifetime("vltime", seconds, s, afp); 133138593Ssam} 134138593Ssam 135138593Ssamstatic void 136138593Ssamsetip6eui64(const char *cmd, int dummy __unused, int s, 137138593Ssam const struct afswtch *afp) 138138593Ssam{ 139138593Ssam struct ifaddrs *ifap, *ifa; 140138593Ssam const struct sockaddr_in6 *sin6 = NULL; 141138593Ssam const struct in6_addr *lladdr = NULL; 142138593Ssam struct in6_addr *in6; 143138593Ssam 144138593Ssam if (afp->af_af != AF_INET6) 145138593Ssam errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 146138593Ssam in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 147138593Ssam if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 148138593Ssam errx(EXIT_FAILURE, "interface index is already filled"); 149138593Ssam if (getifaddrs(&ifap) != 0) 150138593Ssam err(EXIT_FAILURE, "getifaddrs"); 151138593Ssam for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 152138593Ssam if (ifa->ifa_addr->sa_family == AF_INET6 && 153138593Ssam strcmp(ifa->ifa_name, name) == 0) { 154138593Ssam sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 155138593Ssam if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 156138593Ssam lladdr = &sin6->sin6_addr; 157138593Ssam break; 158138593Ssam } 159138593Ssam } 160138593Ssam } 161138593Ssam if (!lladdr) 162138593Ssam errx(EXIT_FAILURE, "could not determine link local address"); 163138593Ssam 164138593Ssam memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 165138593Ssam 166138593Ssam freeifaddrs(ifap); 167138593Ssam} 168138593Ssam 169138593Ssamstatic void 170138593Ssamin6_fillscopeid(struct sockaddr_in6 *sin6) 171138593Ssam{ 172138593Ssam#if defined(__KAME__) && defined(KAME_SCOPEID) 173138593Ssam if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 174138593Ssam sin6->sin6_scope_id = 175138593Ssam ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 176138593Ssam sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 177138593Ssam } 178138593Ssam#endif 179138593Ssam} 180138593Ssam 181138593Ssamstatic void 182138593Ssamin6_status(int s __unused, const struct rt_addrinfo * info) 183138593Ssam{ 184138593Ssam struct sockaddr_in6 *sin, null_sin; 185138593Ssam struct in6_ifreq ifr6; 186138593Ssam int s6; 187138593Ssam u_int32_t flags6; 188138593Ssam struct in6_addrlifetime lifetime; 189138593Ssam time_t t = time(NULL); 190138593Ssam int error; 191138593Ssam u_int32_t scopeid; 192138593Ssam 193138593Ssam memset(&null_sin, 0, sizeof(null_sin)); 194138593Ssam 195138593Ssam sin = (struct sockaddr_in6 *)info->rti_info[RTAX_IFA]; 196138593Ssam if (sin == NULL) 197138593Ssam return; 198138593Ssam 199138593Ssam strncpy(ifr6.ifr_name, ifr.ifr_name, sizeof(ifr.ifr_name)); 200138593Ssam if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 201138593Ssam warn("socket(AF_INET6,SOCK_DGRAM)"); 202138593Ssam return; 203138593Ssam } 204138593Ssam ifr6.ifr_addr = *sin; 205138593Ssam if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0) { 206138593Ssam warn("ioctl(SIOCGIFAFLAG_IN6)"); 207138593Ssam close(s6); 208138593Ssam return; 209138593Ssam } 210138593Ssam flags6 = ifr6.ifr_ifru.ifru_flags6; 211138593Ssam memset(&lifetime, 0, sizeof(lifetime)); 212138593Ssam ifr6.ifr_addr = *sin; 213138593Ssam if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) { 214138593Ssam warn("ioctl(SIOCGIFALIFETIME_IN6)"); 215138593Ssam close(s6); 216138593Ssam return; 217138593Ssam } 218138593Ssam lifetime = ifr6.ifr_ifru.ifru_lifetime; 219138593Ssam close(s6); 220138593Ssam 221138593Ssam /* XXX: embedded link local addr check */ 222138593Ssam if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) && 223138593Ssam *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) { 224138593Ssam u_short index; 225138593Ssam 226138593Ssam index = *(u_short *)&sin->sin6_addr.s6_addr[2]; 227138593Ssam *(u_short *)&sin->sin6_addr.s6_addr[2] = 0; 228138593Ssam if (sin->sin6_scope_id == 0) 229138593Ssam sin->sin6_scope_id = ntohs(index); 230138593Ssam } 231138593Ssam scopeid = sin->sin6_scope_id; 232138593Ssam 233138593Ssam error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, addr_buf, 234146187Sume sizeof(addr_buf), NULL, 0, NI_NUMERICHOST); 235138593Ssam if (error != 0) 236138593Ssam inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf, 237138593Ssam sizeof(addr_buf)); 238138593Ssam printf("\tinet6 %s ", addr_buf); 239138593Ssam 240138593Ssam if (flags & IFF_POINTOPOINT) { 241138593Ssam /* note RTAX_BRD overlap with IFF_BROADCAST */ 242138593Ssam sin = (struct sockaddr_in6 *)info->rti_info[RTAX_BRD]; 243138593Ssam /* 244138593Ssam * some of the interfaces do not have valid destination 245138593Ssam * address. 246138593Ssam */ 247138593Ssam if (sin && sin->sin6_family == AF_INET6) { 248138593Ssam int error; 249138593Ssam 250138593Ssam /* XXX: embedded link local addr check */ 251138593Ssam if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) && 252138593Ssam *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) { 253138593Ssam u_short index; 254138593Ssam 255138593Ssam index = *(u_short *)&sin->sin6_addr.s6_addr[2]; 256138593Ssam *(u_short *)&sin->sin6_addr.s6_addr[2] = 0; 257138593Ssam if (sin->sin6_scope_id == 0) 258138593Ssam sin->sin6_scope_id = ntohs(index); 259138593Ssam } 260138593Ssam 261138593Ssam error = getnameinfo((struct sockaddr *)sin, 262138593Ssam sin->sin6_len, addr_buf, 263138593Ssam sizeof(addr_buf), NULL, 0, 264146187Sume NI_NUMERICHOST); 265138593Ssam if (error != 0) 266138593Ssam inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf, 267138593Ssam sizeof(addr_buf)); 268138593Ssam printf("--> %s ", addr_buf); 269138593Ssam } 270138593Ssam } 271138593Ssam 272138593Ssam sin = (struct sockaddr_in6 *)info->rti_info[RTAX_NETMASK]; 273138593Ssam if (!sin) 274138593Ssam sin = &null_sin; 275138593Ssam printf("prefixlen %d ", prefix(&sin->sin6_addr, 276138593Ssam sizeof(struct in6_addr))); 277138593Ssam 278138593Ssam if ((flags6 & IN6_IFF_ANYCAST) != 0) 279138593Ssam printf("anycast "); 280138593Ssam if ((flags6 & IN6_IFF_TENTATIVE) != 0) 281138593Ssam printf("tentative "); 282138593Ssam if ((flags6 & IN6_IFF_DUPLICATED) != 0) 283138593Ssam printf("duplicated "); 284138593Ssam if ((flags6 & IN6_IFF_DETACHED) != 0) 285138593Ssam printf("detached "); 286138593Ssam if ((flags6 & IN6_IFF_DEPRECATED) != 0) 287138593Ssam printf("deprecated "); 288138593Ssam if ((flags6 & IN6_IFF_AUTOCONF) != 0) 289138593Ssam printf("autoconf "); 290138593Ssam if ((flags6 & IN6_IFF_TEMPORARY) != 0) 291138593Ssam printf("temporary "); 292138593Ssam 293138593Ssam if (scopeid) 294138593Ssam printf("scopeid 0x%x ", scopeid); 295138593Ssam 296138593Ssam if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) { 297138593Ssam printf("pltime "); 298138593Ssam if (lifetime.ia6t_preferred) { 299138593Ssam printf("%s ", lifetime.ia6t_preferred < t 300138593Ssam ? "0" : sec2str(lifetime.ia6t_preferred - t)); 301138593Ssam } else 302138593Ssam printf("infty "); 303138593Ssam 304138593Ssam printf("vltime "); 305138593Ssam if (lifetime.ia6t_expire) { 306138593Ssam printf("%s ", lifetime.ia6t_expire < t 307138593Ssam ? "0" : sec2str(lifetime.ia6t_expire - t)); 308138593Ssam } else 309138593Ssam printf("infty "); 310138593Ssam } 311138593Ssam 312138593Ssam putchar('\n'); 313138593Ssam} 314138593Ssam 315138593Ssam#define SIN6(x) ((struct sockaddr_in6 *) &(x)) 316138593Ssamstatic struct sockaddr_in6 *sin6tab[] = { 317138593Ssam SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 318138593Ssam SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr) 319138593Ssam}; 320138593Ssam 321138593Ssamstatic void 322138593Ssamin6_getprefix(const char *plen, int which) 323138593Ssam{ 324138593Ssam struct sockaddr_in6 *sin = sin6tab[which]; 325138593Ssam u_char *cp; 326138593Ssam int len = atoi(plen); 327138593Ssam 328138593Ssam if ((len < 0) || (len > 128)) 329138593Ssam errx(1, "%s: bad value", plen); 330138593Ssam sin->sin6_len = sizeof(*sin); 331138593Ssam if (which != MASK) 332138593Ssam sin->sin6_family = AF_INET6; 333138593Ssam if ((len == 0) || (len == 128)) { 334138593Ssam memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 335138593Ssam return; 336138593Ssam } 337138593Ssam memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 338138593Ssam for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 339138593Ssam *cp++ = 0xff; 340138593Ssam *cp = 0xff << (8 - len); 341138593Ssam} 342138593Ssam 343138593Ssamstatic void 344138593Ssamin6_getaddr(const char *s, int which) 345138593Ssam{ 346138593Ssam struct sockaddr_in6 *sin = sin6tab[which]; 347138593Ssam struct addrinfo hints, *res; 348138593Ssam int error = -1; 349138593Ssam 350138593Ssam newaddr &= 1; 351138593Ssam 352138593Ssam sin->sin6_len = sizeof(*sin); 353138593Ssam if (which != MASK) 354138593Ssam sin->sin6_family = AF_INET6; 355138593Ssam 356138593Ssam if (which == ADDR) { 357138593Ssam char *p = NULL; 358138593Ssam if((p = strrchr(s, '/')) != NULL) { 359138593Ssam *p = '\0'; 360138593Ssam in6_getprefix(p + 1, MASK); 361138593Ssam explicit_prefix = 1; 362138593Ssam } 363138593Ssam } 364138593Ssam 365138593Ssam if (sin->sin6_family == AF_INET6) { 366138593Ssam bzero(&hints, sizeof(struct addrinfo)); 367138593Ssam hints.ai_family = AF_INET6; 368138593Ssam error = getaddrinfo(s, NULL, &hints, &res); 369138593Ssam } 370138593Ssam if (error != 0) { 371138593Ssam if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 372138593Ssam errx(1, "%s: bad value", s); 373138593Ssam } else 374138593Ssam bcopy(res->ai_addr, sin, res->ai_addrlen); 375138593Ssam} 376138593Ssam 377138593Ssamstatic int 378138593Ssamprefix(void *val, int size) 379138593Ssam{ 380138593Ssam u_char *name = (u_char *)val; 381138593Ssam int byte, bit, plen = 0; 382138593Ssam 383138593Ssam for (byte = 0; byte < size; byte++, plen += 8) 384138593Ssam if (name[byte] != 0xff) 385138593Ssam break; 386138593Ssam if (byte == size) 387138593Ssam return (plen); 388138593Ssam for (bit = 7; bit != 0; bit--, plen++) 389138593Ssam if (!(name[byte] & (1 << bit))) 390138593Ssam break; 391138593Ssam for (; bit != 0; bit--) 392138593Ssam if (name[byte] & (1 << bit)) 393138593Ssam return(0); 394138593Ssam byte++; 395138593Ssam for (; byte < size; byte++) 396138593Ssam if (name[byte]) 397138593Ssam return(0); 398138593Ssam return (plen); 399138593Ssam} 400138593Ssam 401138593Ssamstatic char * 402138593Ssamsec2str(time_t total) 403138593Ssam{ 404138593Ssam static char result[256]; 405138593Ssam int days, hours, mins, secs; 406138593Ssam int first = 1; 407138593Ssam char *p = result; 408138593Ssam 409138593Ssam if (0) { 410138593Ssam days = total / 3600 / 24; 411138593Ssam hours = (total / 3600) % 24; 412138593Ssam mins = (total / 60) % 60; 413138593Ssam secs = total % 60; 414138593Ssam 415138593Ssam if (days) { 416138593Ssam first = 0; 417138593Ssam p += sprintf(p, "%dd", days); 418138593Ssam } 419138593Ssam if (!first || hours) { 420138593Ssam first = 0; 421138593Ssam p += sprintf(p, "%dh", hours); 422138593Ssam } 423138593Ssam if (!first || mins) { 424138593Ssam first = 0; 425138593Ssam p += sprintf(p, "%dm", mins); 426138593Ssam } 427138593Ssam sprintf(p, "%ds", secs); 428138593Ssam } else 429138593Ssam sprintf(result, "%lu", (unsigned long)total); 430138593Ssam 431138593Ssam return(result); 432138593Ssam} 433138593Ssam 434138593Ssamstatic void 435138593Ssamin6_postproc(int s, const struct afswtch *afp) 436138593Ssam{ 437138593Ssam if (explicit_prefix == 0) { 438138593Ssam /* Aggregatable address architecture defines all prefixes 439138593Ssam are 64. So, it is convenient to set prefixlen to 64 if 440138593Ssam it is not specified. */ 441138593Ssam setifprefixlen("64", 0, s, afp); 442138593Ssam /* in6_getprefix("64", MASK) if MASK is available here... */ 443138593Ssam } 444138593Ssam} 445138593Ssam 446138593Ssamstatic void 447138593Ssamin6_status_tunnel(int s) 448138593Ssam{ 449138593Ssam char src[NI_MAXHOST]; 450138593Ssam char dst[NI_MAXHOST]; 451138593Ssam struct in6_ifreq in6_ifr; 452138593Ssam const struct sockaddr *sa = (const struct sockaddr *) &in6_ifr.ifr_addr; 453138593Ssam 454138593Ssam memset(&in6_ifr, 0, sizeof(in6_ifr)); 455138593Ssam strncpy(in6_ifr.ifr_name, name, IFNAMSIZ); 456138593Ssam 457138593Ssam if (ioctl(s, SIOCGIFPSRCADDR_IN6, (caddr_t)&in6_ifr) < 0) 458138593Ssam return; 459147437Sume if (sa->sa_family != AF_INET6) 460147437Sume return; 461147437Sume in6_fillscopeid(&in6_ifr.ifr_addr); 462146187Sume if (getnameinfo(sa, sa->sa_len, src, sizeof(src), 0, 0, 463146187Sume NI_NUMERICHOST) != 0) 464138593Ssam src[0] = '\0'; 465138593Ssam 466138593Ssam if (ioctl(s, SIOCGIFPDSTADDR_IN6, (caddr_t)&in6_ifr) < 0) 467138593Ssam return; 468147437Sume if (sa->sa_family != AF_INET6) 469147437Sume return; 470147437Sume in6_fillscopeid(&in6_ifr.ifr_addr); 471146187Sume if (getnameinfo(sa, sa->sa_len, dst, sizeof(dst), 0, 0, 472146187Sume NI_NUMERICHOST) != 0) 473138593Ssam dst[0] = '\0'; 474138593Ssam 475138593Ssam printf("\ttunnel inet6 %s --> %s\n", src, dst); 476138593Ssam} 477138593Ssam 478138593Ssamstatic void 479138593Ssamin6_set_tunnel(int s, struct addrinfo *srcres, struct addrinfo *dstres) 480138593Ssam{ 481138593Ssam struct in6_aliasreq in6_addreq; 482138593Ssam 483138593Ssam memset(&in6_addreq, 0, sizeof(in6_addreq)); 484138593Ssam strncpy(in6_addreq.ifra_name, name, IFNAMSIZ); 485138593Ssam memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, srcres->ai_addr->sa_len); 486138593Ssam memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr, 487138593Ssam dstres->ai_addr->sa_len); 488138593Ssam 489138593Ssam if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0) 490138593Ssam warn("SIOCSIFPHYADDR_IN6"); 491138593Ssam} 492138593Ssam 493138593Ssamstatic struct cmd inet6_cmds[] = { 494138593Ssam DEF_CMD_ARG("prefixlen", setifprefixlen), 495138593Ssam DEF_CMD("anycast", IN6_IFF_ANYCAST, setip6flags), 496138593Ssam DEF_CMD("tentative", IN6_IFF_TENTATIVE, setip6flags), 497138593Ssam DEF_CMD("-tentative", -IN6_IFF_TENTATIVE, setip6flags), 498138593Ssam DEF_CMD("deprecated", IN6_IFF_DEPRECATED, setip6flags), 499138593Ssam DEF_CMD("-deprecated", -IN6_IFF_DEPRECATED, setip6flags), 500138593Ssam DEF_CMD("autoconf", IN6_IFF_AUTOCONF, setip6flags), 501138593Ssam DEF_CMD("-autoconf", -IN6_IFF_AUTOCONF, setip6flags), 502138593Ssam DEF_CMD_ARG("pltime", setip6pltime), 503138593Ssam DEF_CMD_ARG("vltime", setip6vltime), 504138593Ssam DEF_CMD("eui64", 0, setip6eui64), 505138593Ssam}; 506138593Ssam 507138593Ssamstatic struct afswtch af_inet6 = { 508138593Ssam .af_name = "inet6", 509138593Ssam .af_af = AF_INET6, 510138593Ssam .af_status = in6_status, 511138593Ssam .af_getaddr = in6_getaddr, 512138593Ssam .af_getprefix = in6_getprefix, 513138593Ssam .af_postproc = in6_postproc, 514138593Ssam .af_status_tunnel = in6_status_tunnel, 515138593Ssam .af_settunnel = in6_set_tunnel, 516138593Ssam .af_difaddr = SIOCDIFADDR_IN6, 517138593Ssam .af_aifaddr = SIOCAIFADDR_IN6, 518166446Sbms .af_ridreq = &in6_addreq, 519138593Ssam .af_addreq = &in6_addreq, 520138593Ssam}; 521138593Ssam 522138593Ssamstatic void 523138593Ssamin6_Lopt_cb(const char *optarg __unused) 524138593Ssam{ 525138593Ssam ip6lifetime++; /* print IPv6 address lifetime */ 526138593Ssam} 527138593Ssamstatic struct option in6_Lopt = { "L", "[-L]", in6_Lopt_cb }; 528138593Ssam 529138593Ssamstatic __constructor void 530138593Ssaminet6_ctor(void) 531138593Ssam{ 532138593Ssam#define N(a) (sizeof(a) / sizeof(a[0])) 533138593Ssam int i; 534138593Ssam 535138593Ssam for (i = 0; i < N(inet6_cmds); i++) 536138593Ssam cmd_register(&inet6_cmds[i]); 537138593Ssam af_register(&af_inet6); 538138593Ssam opt_register(&in6_Lopt); 539138593Ssam#undef N 540138593Ssam} 541