67static int ip6lifetime;
68
69static void in6_fillscopeid(struct sockaddr_in6 *sin6);
70static int prefix(void *, int);
71static char *sec2str(time_t);
72static int explicit_prefix = 0;
73
74static char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/
75
76static void
77setifprefixlen(const char *addr, int dummy __unused, int s,
78 const struct afswtch *afp)
79{
80 if (afp->af_getprefix != NULL)
81 afp->af_getprefix(addr, MASK);
82 explicit_prefix = 1;
83}
84
85static void
86setip6flags(const char *dummyaddr __unused, int flag, int dummysoc __unused,
87 const struct afswtch *afp)
88{
89 if (afp->af_af != AF_INET6)
90 err(1, "address flags can be set only for inet6 addresses");
91
92 if (flag < 0)
93 in6_addreq.ifra_flags &= ~(-flag);
94 else
95 in6_addreq.ifra_flags |= flag;
96}
97
98static void
99setip6lifetime(const char *cmd, const char *val, int s,
100 const struct afswtch *afp)
101{
102 time_t newval, t;
103 char *ep;
104
105 t = time(NULL);
106 newval = (time_t)strtoul(val, &ep, 0);
107 if (val == ep)
108 errx(1, "invalid %s", cmd);
109 if (afp->af_af != AF_INET6)
110 errx(1, "%s not allowed for the AF", cmd);
111 if (strcmp(cmd, "vltime") == 0) {
112 in6_addreq.ifra_lifetime.ia6t_expire = t + newval;
113 in6_addreq.ifra_lifetime.ia6t_vltime = newval;
114 } else if (strcmp(cmd, "pltime") == 0) {
115 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval;
116 in6_addreq.ifra_lifetime.ia6t_pltime = newval;
117 }
118}
119
120static void
121setip6pltime(const char *seconds, int dummy __unused, int s,
122 const struct afswtch *afp)
123{
124 setip6lifetime("pltime", seconds, s, afp);
125}
126
127static void
128setip6vltime(const char *seconds, int dummy __unused, int s,
129 const struct afswtch *afp)
130{
131 setip6lifetime("vltime", seconds, s, afp);
132}
133
134static void
135setip6eui64(const char *cmd, int dummy __unused, int s,
136 const struct afswtch *afp)
137{
138 struct ifaddrs *ifap, *ifa;
139 const struct sockaddr_in6 *sin6 = NULL;
140 const struct in6_addr *lladdr = NULL;
141 struct in6_addr *in6;
142
143 if (afp->af_af != AF_INET6)
144 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd);
145 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr;
146 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0)
147 errx(EXIT_FAILURE, "interface index is already filled");
148 if (getifaddrs(&ifap) != 0)
149 err(EXIT_FAILURE, "getifaddrs");
150 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
151 if (ifa->ifa_addr->sa_family == AF_INET6 &&
152 strcmp(ifa->ifa_name, name) == 0) {
153 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr;
154 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
155 lladdr = &sin6->sin6_addr;
156 break;
157 }
158 }
159 }
160 if (!lladdr)
161 errx(EXIT_FAILURE, "could not determine link local address");
162
163 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8);
164
165 freeifaddrs(ifap);
166}
167
168static void
169in6_fillscopeid(struct sockaddr_in6 *sin6)
170{
171#if defined(__KAME__) && defined(KAME_SCOPEID)
172 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
173 sin6->sin6_scope_id =
174 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]);
175 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0;
176 }
177#endif
178}
179
180static void
181in6_status(int s __unused, const struct ifaddrs *ifa)
182{
183 struct sockaddr_in6 *sin, null_sin;
184 struct in6_ifreq ifr6;
185 int s6;
186 u_int32_t flags6;
187 struct in6_addrlifetime lifetime;
188 time_t t = time(NULL);
189 int error;
190 u_int32_t scopeid;
191
192 memset(&null_sin, 0, sizeof(null_sin));
193
194 sin = (struct sockaddr_in6 *)ifa->ifa_addr;
195 if (sin == NULL)
196 return;
197
198 strncpy(ifr6.ifr_name, ifr.ifr_name, sizeof(ifr.ifr_name));
199 if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
200 warn("socket(AF_INET6,SOCK_DGRAM)");
201 return;
202 }
203 ifr6.ifr_addr = *sin;
204 if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0) {
205 warn("ioctl(SIOCGIFAFLAG_IN6)");
206 close(s6);
207 return;
208 }
209 flags6 = ifr6.ifr_ifru.ifru_flags6;
210 memset(&lifetime, 0, sizeof(lifetime));
211 ifr6.ifr_addr = *sin;
212 if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) {
213 warn("ioctl(SIOCGIFALIFETIME_IN6)");
214 close(s6);
215 return;
216 }
217 lifetime = ifr6.ifr_ifru.ifru_lifetime;
218 close(s6);
219
220 /* XXX: embedded link local addr check */
221 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
222 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
223 u_short index;
224
225 index = *(u_short *)&sin->sin6_addr.s6_addr[2];
226 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
227 if (sin->sin6_scope_id == 0)
228 sin->sin6_scope_id = ntohs(index);
229 }
230 scopeid = sin->sin6_scope_id;
231
232 error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, addr_buf,
233 sizeof(addr_buf), NULL, 0, NI_NUMERICHOST);
234 if (error != 0)
235 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
236 sizeof(addr_buf));
237 printf("\tinet6 %s ", addr_buf);
238
239 if (ifa->ifa_flags & IFF_POINTOPOINT) {
240 sin = (struct sockaddr_in6 *)ifa->ifa_dstaddr;
241 /*
242 * some of the interfaces do not have valid destination
243 * address.
244 */
245 if (sin != NULL && sin->sin6_family == AF_INET6) {
246 int error;
247
248 /* XXX: embedded link local addr check */
249 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
250 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
251 u_short index;
252
253 index = *(u_short *)&sin->sin6_addr.s6_addr[2];
254 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
255 if (sin->sin6_scope_id == 0)
256 sin->sin6_scope_id = ntohs(index);
257 }
258
259 error = getnameinfo((struct sockaddr *)sin,
260 sin->sin6_len, addr_buf,
261 sizeof(addr_buf), NULL, 0,
262 NI_NUMERICHOST);
263 if (error != 0)
264 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
265 sizeof(addr_buf));
266 printf("--> %s ", addr_buf);
267 }
268 }
269
270 sin = (struct sockaddr_in6 *)ifa->ifa_netmask;
271 if (sin == NULL)
272 sin = &null_sin;
273 printf("prefixlen %d ", prefix(&sin->sin6_addr,
274 sizeof(struct in6_addr)));
275
276 if ((flags6 & IN6_IFF_ANYCAST) != 0)
277 printf("anycast ");
278 if ((flags6 & IN6_IFF_TENTATIVE) != 0)
279 printf("tentative ");
280 if ((flags6 & IN6_IFF_DUPLICATED) != 0)
281 printf("duplicated ");
282 if ((flags6 & IN6_IFF_DETACHED) != 0)
283 printf("detached ");
284 if ((flags6 & IN6_IFF_DEPRECATED) != 0)
285 printf("deprecated ");
286 if ((flags6 & IN6_IFF_AUTOCONF) != 0)
287 printf("autoconf ");
288 if ((flags6 & IN6_IFF_TEMPORARY) != 0)
289 printf("temporary ");
290
291 if (scopeid)
292 printf("scopeid 0x%x ", scopeid);
293
294 if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) {
295 printf("pltime ");
296 if (lifetime.ia6t_preferred) {
297 printf("%s ", lifetime.ia6t_preferred < t
298 ? "0" : sec2str(lifetime.ia6t_preferred - t));
299 } else
300 printf("infty ");
301
302 printf("vltime ");
303 if (lifetime.ia6t_expire) {
304 printf("%s ", lifetime.ia6t_expire < t
305 ? "0" : sec2str(lifetime.ia6t_expire - t));
306 } else
307 printf("infty ");
308 }
309
310 putchar('\n');
311}
312
313#define SIN6(x) ((struct sockaddr_in6 *) &(x))
314static struct sockaddr_in6 *sin6tab[] = {
315 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr),
316 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)
317};
318
319static void
320in6_getprefix(const char *plen, int which)
321{
322 struct sockaddr_in6 *sin = sin6tab[which];
323 u_char *cp;
324 int len = atoi(plen);
325
326 if ((len < 0) || (len > 128))
327 errx(1, "%s: bad value", plen);
328 sin->sin6_len = sizeof(*sin);
329 if (which != MASK)
330 sin->sin6_family = AF_INET6;
331 if ((len == 0) || (len == 128)) {
332 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr));
333 return;
334 }
335 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr));
336 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8)
337 *cp++ = 0xff;
338 *cp = 0xff << (8 - len);
339}
340
341static void
342in6_getaddr(const char *s, int which)
343{
344 struct sockaddr_in6 *sin = sin6tab[which];
345 struct addrinfo hints, *res;
346 int error = -1;
347
348 newaddr &= 1;
349
350 sin->sin6_len = sizeof(*sin);
351 if (which != MASK)
352 sin->sin6_family = AF_INET6;
353
354 if (which == ADDR) {
355 char *p = NULL;
356 if((p = strrchr(s, '/')) != NULL) {
357 *p = '\0';
358 in6_getprefix(p + 1, MASK);
359 explicit_prefix = 1;
360 }
361 }
362
363 if (sin->sin6_family == AF_INET6) {
364 bzero(&hints, sizeof(struct addrinfo));
365 hints.ai_family = AF_INET6;
366 error = getaddrinfo(s, NULL, &hints, &res);
367 }
368 if (error != 0) {
369 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1)
370 errx(1, "%s: bad value", s);
371 } else
372 bcopy(res->ai_addr, sin, res->ai_addrlen);
373}
374
375static int
376prefix(void *val, int size)
377{
378 u_char *name = (u_char *)val;
379 int byte, bit, plen = 0;
380
381 for (byte = 0; byte < size; byte++, plen += 8)
382 if (name[byte] != 0xff)
383 break;
384 if (byte == size)
385 return (plen);
386 for (bit = 7; bit != 0; bit--, plen++)
387 if (!(name[byte] & (1 << bit)))
388 break;
389 for (; bit != 0; bit--)
390 if (name[byte] & (1 << bit))
391 return(0);
392 byte++;
393 for (; byte < size; byte++)
394 if (name[byte])
395 return(0);
396 return (plen);
397}
398
399static char *
400sec2str(time_t total)
401{
402 static char result[256];
403 int days, hours, mins, secs;
404 int first = 1;
405 char *p = result;
406
407 if (0) {
408 days = total / 3600 / 24;
409 hours = (total / 3600) % 24;
410 mins = (total / 60) % 60;
411 secs = total % 60;
412
413 if (days) {
414 first = 0;
415 p += sprintf(p, "%dd", days);
416 }
417 if (!first || hours) {
418 first = 0;
419 p += sprintf(p, "%dh", hours);
420 }
421 if (!first || mins) {
422 first = 0;
423 p += sprintf(p, "%dm", mins);
424 }
425 sprintf(p, "%ds", secs);
426 } else
427 sprintf(result, "%lu", (unsigned long)total);
428
429 return(result);
430}
431
432static void
433in6_postproc(int s, const struct afswtch *afp)
434{
435 if (explicit_prefix == 0) {
436 /* Aggregatable address architecture defines all prefixes
437 are 64. So, it is convenient to set prefixlen to 64 if
438 it is not specified. */
439 setifprefixlen("64", 0, s, afp);
440 /* in6_getprefix("64", MASK) if MASK is available here... */
441 }
442}
443
444static void
445in6_status_tunnel(int s)
446{
447 char src[NI_MAXHOST];
448 char dst[NI_MAXHOST];
449 struct in6_ifreq in6_ifr;
450 const struct sockaddr *sa = (const struct sockaddr *) &in6_ifr.ifr_addr;
451
452 memset(&in6_ifr, 0, sizeof(in6_ifr));
453 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ);
454
455 if (ioctl(s, SIOCGIFPSRCADDR_IN6, (caddr_t)&in6_ifr) < 0)
456 return;
457 if (sa->sa_family != AF_INET6)
458 return;
459 in6_fillscopeid(&in6_ifr.ifr_addr);
460 if (getnameinfo(sa, sa->sa_len, src, sizeof(src), 0, 0,
461 NI_NUMERICHOST) != 0)
462 src[0] = '\0';
463
464 if (ioctl(s, SIOCGIFPDSTADDR_IN6, (caddr_t)&in6_ifr) < 0)
465 return;
466 if (sa->sa_family != AF_INET6)
467 return;
468 in6_fillscopeid(&in6_ifr.ifr_addr);
469 if (getnameinfo(sa, sa->sa_len, dst, sizeof(dst), 0, 0,
470 NI_NUMERICHOST) != 0)
471 dst[0] = '\0';
472
473 printf("\ttunnel inet6 %s --> %s\n", src, dst);
474}
475
476static void
477in6_set_tunnel(int s, struct addrinfo *srcres, struct addrinfo *dstres)
478{
479 struct in6_aliasreq in6_addreq;
480
481 memset(&in6_addreq, 0, sizeof(in6_addreq));
482 strncpy(in6_addreq.ifra_name, name, IFNAMSIZ);
483 memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, srcres->ai_addr->sa_len);
484 memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr,
485 dstres->ai_addr->sa_len);
486
487 if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0)
488 warn("SIOCSIFPHYADDR_IN6");
489}
490
491static struct cmd inet6_cmds[] = {
492 DEF_CMD_ARG("prefixlen", setifprefixlen),
493 DEF_CMD("anycast", IN6_IFF_ANYCAST, setip6flags),
494 DEF_CMD("tentative", IN6_IFF_TENTATIVE, setip6flags),
495 DEF_CMD("-tentative", -IN6_IFF_TENTATIVE, setip6flags),
496 DEF_CMD("deprecated", IN6_IFF_DEPRECATED, setip6flags),
497 DEF_CMD("-deprecated", -IN6_IFF_DEPRECATED, setip6flags),
498 DEF_CMD("autoconf", IN6_IFF_AUTOCONF, setip6flags),
499 DEF_CMD("-autoconf", -IN6_IFF_AUTOCONF, setip6flags),
500 DEF_CMD_ARG("pltime", setip6pltime),
501 DEF_CMD_ARG("vltime", setip6vltime),
502 DEF_CMD("eui64", 0, setip6eui64),
503};
504
505static struct afswtch af_inet6 = {
506 .af_name = "inet6",
507 .af_af = AF_INET6,
508 .af_status = in6_status,
509 .af_getaddr = in6_getaddr,
510 .af_getprefix = in6_getprefix,
511 .af_postproc = in6_postproc,
512 .af_status_tunnel = in6_status_tunnel,
513 .af_settunnel = in6_set_tunnel,
514 .af_difaddr = SIOCDIFADDR_IN6,
515 .af_aifaddr = SIOCAIFADDR_IN6,
516 .af_ridreq = &in6_addreq,
517 .af_addreq = &in6_addreq,
518};
519
520static void
521in6_Lopt_cb(const char *optarg __unused)
522{
523 ip6lifetime++; /* print IPv6 address lifetime */
524}
| 63static int ip6lifetime;
64
65static void in6_fillscopeid(struct sockaddr_in6 *sin6);
66static int prefix(void *, int);
67static char *sec2str(time_t);
68static int explicit_prefix = 0;
69
70static char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/
71
72static void
73setifprefixlen(const char *addr, int dummy __unused, int s,
74 const struct afswtch *afp)
75{
76 if (afp->af_getprefix != NULL)
77 afp->af_getprefix(addr, MASK);
78 explicit_prefix = 1;
79}
80
81static void
82setip6flags(const char *dummyaddr __unused, int flag, int dummysoc __unused,
83 const struct afswtch *afp)
84{
85 if (afp->af_af != AF_INET6)
86 err(1, "address flags can be set only for inet6 addresses");
87
88 if (flag < 0)
89 in6_addreq.ifra_flags &= ~(-flag);
90 else
91 in6_addreq.ifra_flags |= flag;
92}
93
94static void
95setip6lifetime(const char *cmd, const char *val, int s,
96 const struct afswtch *afp)
97{
98 time_t newval, t;
99 char *ep;
100
101 t = time(NULL);
102 newval = (time_t)strtoul(val, &ep, 0);
103 if (val == ep)
104 errx(1, "invalid %s", cmd);
105 if (afp->af_af != AF_INET6)
106 errx(1, "%s not allowed for the AF", cmd);
107 if (strcmp(cmd, "vltime") == 0) {
108 in6_addreq.ifra_lifetime.ia6t_expire = t + newval;
109 in6_addreq.ifra_lifetime.ia6t_vltime = newval;
110 } else if (strcmp(cmd, "pltime") == 0) {
111 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval;
112 in6_addreq.ifra_lifetime.ia6t_pltime = newval;
113 }
114}
115
116static void
117setip6pltime(const char *seconds, int dummy __unused, int s,
118 const struct afswtch *afp)
119{
120 setip6lifetime("pltime", seconds, s, afp);
121}
122
123static void
124setip6vltime(const char *seconds, int dummy __unused, int s,
125 const struct afswtch *afp)
126{
127 setip6lifetime("vltime", seconds, s, afp);
128}
129
130static void
131setip6eui64(const char *cmd, int dummy __unused, int s,
132 const struct afswtch *afp)
133{
134 struct ifaddrs *ifap, *ifa;
135 const struct sockaddr_in6 *sin6 = NULL;
136 const struct in6_addr *lladdr = NULL;
137 struct in6_addr *in6;
138
139 if (afp->af_af != AF_INET6)
140 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd);
141 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr;
142 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0)
143 errx(EXIT_FAILURE, "interface index is already filled");
144 if (getifaddrs(&ifap) != 0)
145 err(EXIT_FAILURE, "getifaddrs");
146 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
147 if (ifa->ifa_addr->sa_family == AF_INET6 &&
148 strcmp(ifa->ifa_name, name) == 0) {
149 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr;
150 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
151 lladdr = &sin6->sin6_addr;
152 break;
153 }
154 }
155 }
156 if (!lladdr)
157 errx(EXIT_FAILURE, "could not determine link local address");
158
159 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8);
160
161 freeifaddrs(ifap);
162}
163
164static void
165in6_fillscopeid(struct sockaddr_in6 *sin6)
166{
167#if defined(__KAME__) && defined(KAME_SCOPEID)
168 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
169 sin6->sin6_scope_id =
170 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]);
171 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0;
172 }
173#endif
174}
175
176static void
177in6_status(int s __unused, const struct ifaddrs *ifa)
178{
179 struct sockaddr_in6 *sin, null_sin;
180 struct in6_ifreq ifr6;
181 int s6;
182 u_int32_t flags6;
183 struct in6_addrlifetime lifetime;
184 time_t t = time(NULL);
185 int error;
186 u_int32_t scopeid;
187
188 memset(&null_sin, 0, sizeof(null_sin));
189
190 sin = (struct sockaddr_in6 *)ifa->ifa_addr;
191 if (sin == NULL)
192 return;
193
194 strncpy(ifr6.ifr_name, ifr.ifr_name, sizeof(ifr.ifr_name));
195 if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
196 warn("socket(AF_INET6,SOCK_DGRAM)");
197 return;
198 }
199 ifr6.ifr_addr = *sin;
200 if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0) {
201 warn("ioctl(SIOCGIFAFLAG_IN6)");
202 close(s6);
203 return;
204 }
205 flags6 = ifr6.ifr_ifru.ifru_flags6;
206 memset(&lifetime, 0, sizeof(lifetime));
207 ifr6.ifr_addr = *sin;
208 if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) {
209 warn("ioctl(SIOCGIFALIFETIME_IN6)");
210 close(s6);
211 return;
212 }
213 lifetime = ifr6.ifr_ifru.ifru_lifetime;
214 close(s6);
215
216 /* XXX: embedded link local addr check */
217 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
218 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
219 u_short index;
220
221 index = *(u_short *)&sin->sin6_addr.s6_addr[2];
222 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
223 if (sin->sin6_scope_id == 0)
224 sin->sin6_scope_id = ntohs(index);
225 }
226 scopeid = sin->sin6_scope_id;
227
228 error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, addr_buf,
229 sizeof(addr_buf), NULL, 0, NI_NUMERICHOST);
230 if (error != 0)
231 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
232 sizeof(addr_buf));
233 printf("\tinet6 %s ", addr_buf);
234
235 if (ifa->ifa_flags & IFF_POINTOPOINT) {
236 sin = (struct sockaddr_in6 *)ifa->ifa_dstaddr;
237 /*
238 * some of the interfaces do not have valid destination
239 * address.
240 */
241 if (sin != NULL && sin->sin6_family == AF_INET6) {
242 int error;
243
244 /* XXX: embedded link local addr check */
245 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
246 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
247 u_short index;
248
249 index = *(u_short *)&sin->sin6_addr.s6_addr[2];
250 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
251 if (sin->sin6_scope_id == 0)
252 sin->sin6_scope_id = ntohs(index);
253 }
254
255 error = getnameinfo((struct sockaddr *)sin,
256 sin->sin6_len, addr_buf,
257 sizeof(addr_buf), NULL, 0,
258 NI_NUMERICHOST);
259 if (error != 0)
260 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
261 sizeof(addr_buf));
262 printf("--> %s ", addr_buf);
263 }
264 }
265
266 sin = (struct sockaddr_in6 *)ifa->ifa_netmask;
267 if (sin == NULL)
268 sin = &null_sin;
269 printf("prefixlen %d ", prefix(&sin->sin6_addr,
270 sizeof(struct in6_addr)));
271
272 if ((flags6 & IN6_IFF_ANYCAST) != 0)
273 printf("anycast ");
274 if ((flags6 & IN6_IFF_TENTATIVE) != 0)
275 printf("tentative ");
276 if ((flags6 & IN6_IFF_DUPLICATED) != 0)
277 printf("duplicated ");
278 if ((flags6 & IN6_IFF_DETACHED) != 0)
279 printf("detached ");
280 if ((flags6 & IN6_IFF_DEPRECATED) != 0)
281 printf("deprecated ");
282 if ((flags6 & IN6_IFF_AUTOCONF) != 0)
283 printf("autoconf ");
284 if ((flags6 & IN6_IFF_TEMPORARY) != 0)
285 printf("temporary ");
286
287 if (scopeid)
288 printf("scopeid 0x%x ", scopeid);
289
290 if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) {
291 printf("pltime ");
292 if (lifetime.ia6t_preferred) {
293 printf("%s ", lifetime.ia6t_preferred < t
294 ? "0" : sec2str(lifetime.ia6t_preferred - t));
295 } else
296 printf("infty ");
297
298 printf("vltime ");
299 if (lifetime.ia6t_expire) {
300 printf("%s ", lifetime.ia6t_expire < t
301 ? "0" : sec2str(lifetime.ia6t_expire - t));
302 } else
303 printf("infty ");
304 }
305
306 putchar('\n');
307}
308
309#define SIN6(x) ((struct sockaddr_in6 *) &(x))
310static struct sockaddr_in6 *sin6tab[] = {
311 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr),
312 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)
313};
314
315static void
316in6_getprefix(const char *plen, int which)
317{
318 struct sockaddr_in6 *sin = sin6tab[which];
319 u_char *cp;
320 int len = atoi(plen);
321
322 if ((len < 0) || (len > 128))
323 errx(1, "%s: bad value", plen);
324 sin->sin6_len = sizeof(*sin);
325 if (which != MASK)
326 sin->sin6_family = AF_INET6;
327 if ((len == 0) || (len == 128)) {
328 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr));
329 return;
330 }
331 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr));
332 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8)
333 *cp++ = 0xff;
334 *cp = 0xff << (8 - len);
335}
336
337static void
338in6_getaddr(const char *s, int which)
339{
340 struct sockaddr_in6 *sin = sin6tab[which];
341 struct addrinfo hints, *res;
342 int error = -1;
343
344 newaddr &= 1;
345
346 sin->sin6_len = sizeof(*sin);
347 if (which != MASK)
348 sin->sin6_family = AF_INET6;
349
350 if (which == ADDR) {
351 char *p = NULL;
352 if((p = strrchr(s, '/')) != NULL) {
353 *p = '\0';
354 in6_getprefix(p + 1, MASK);
355 explicit_prefix = 1;
356 }
357 }
358
359 if (sin->sin6_family == AF_INET6) {
360 bzero(&hints, sizeof(struct addrinfo));
361 hints.ai_family = AF_INET6;
362 error = getaddrinfo(s, NULL, &hints, &res);
363 }
364 if (error != 0) {
365 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1)
366 errx(1, "%s: bad value", s);
367 } else
368 bcopy(res->ai_addr, sin, res->ai_addrlen);
369}
370
371static int
372prefix(void *val, int size)
373{
374 u_char *name = (u_char *)val;
375 int byte, bit, plen = 0;
376
377 for (byte = 0; byte < size; byte++, plen += 8)
378 if (name[byte] != 0xff)
379 break;
380 if (byte == size)
381 return (plen);
382 for (bit = 7; bit != 0; bit--, plen++)
383 if (!(name[byte] & (1 << bit)))
384 break;
385 for (; bit != 0; bit--)
386 if (name[byte] & (1 << bit))
387 return(0);
388 byte++;
389 for (; byte < size; byte++)
390 if (name[byte])
391 return(0);
392 return (plen);
393}
394
395static char *
396sec2str(time_t total)
397{
398 static char result[256];
399 int days, hours, mins, secs;
400 int first = 1;
401 char *p = result;
402
403 if (0) {
404 days = total / 3600 / 24;
405 hours = (total / 3600) % 24;
406 mins = (total / 60) % 60;
407 secs = total % 60;
408
409 if (days) {
410 first = 0;
411 p += sprintf(p, "%dd", days);
412 }
413 if (!first || hours) {
414 first = 0;
415 p += sprintf(p, "%dh", hours);
416 }
417 if (!first || mins) {
418 first = 0;
419 p += sprintf(p, "%dm", mins);
420 }
421 sprintf(p, "%ds", secs);
422 } else
423 sprintf(result, "%lu", (unsigned long)total);
424
425 return(result);
426}
427
428static void
429in6_postproc(int s, const struct afswtch *afp)
430{
431 if (explicit_prefix == 0) {
432 /* Aggregatable address architecture defines all prefixes
433 are 64. So, it is convenient to set prefixlen to 64 if
434 it is not specified. */
435 setifprefixlen("64", 0, s, afp);
436 /* in6_getprefix("64", MASK) if MASK is available here... */
437 }
438}
439
440static void
441in6_status_tunnel(int s)
442{
443 char src[NI_MAXHOST];
444 char dst[NI_MAXHOST];
445 struct in6_ifreq in6_ifr;
446 const struct sockaddr *sa = (const struct sockaddr *) &in6_ifr.ifr_addr;
447
448 memset(&in6_ifr, 0, sizeof(in6_ifr));
449 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ);
450
451 if (ioctl(s, SIOCGIFPSRCADDR_IN6, (caddr_t)&in6_ifr) < 0)
452 return;
453 if (sa->sa_family != AF_INET6)
454 return;
455 in6_fillscopeid(&in6_ifr.ifr_addr);
456 if (getnameinfo(sa, sa->sa_len, src, sizeof(src), 0, 0,
457 NI_NUMERICHOST) != 0)
458 src[0] = '\0';
459
460 if (ioctl(s, SIOCGIFPDSTADDR_IN6, (caddr_t)&in6_ifr) < 0)
461 return;
462 if (sa->sa_family != AF_INET6)
463 return;
464 in6_fillscopeid(&in6_ifr.ifr_addr);
465 if (getnameinfo(sa, sa->sa_len, dst, sizeof(dst), 0, 0,
466 NI_NUMERICHOST) != 0)
467 dst[0] = '\0';
468
469 printf("\ttunnel inet6 %s --> %s\n", src, dst);
470}
471
472static void
473in6_set_tunnel(int s, struct addrinfo *srcres, struct addrinfo *dstres)
474{
475 struct in6_aliasreq in6_addreq;
476
477 memset(&in6_addreq, 0, sizeof(in6_addreq));
478 strncpy(in6_addreq.ifra_name, name, IFNAMSIZ);
479 memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, srcres->ai_addr->sa_len);
480 memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr,
481 dstres->ai_addr->sa_len);
482
483 if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0)
484 warn("SIOCSIFPHYADDR_IN6");
485}
486
487static struct cmd inet6_cmds[] = {
488 DEF_CMD_ARG("prefixlen", setifprefixlen),
489 DEF_CMD("anycast", IN6_IFF_ANYCAST, setip6flags),
490 DEF_CMD("tentative", IN6_IFF_TENTATIVE, setip6flags),
491 DEF_CMD("-tentative", -IN6_IFF_TENTATIVE, setip6flags),
492 DEF_CMD("deprecated", IN6_IFF_DEPRECATED, setip6flags),
493 DEF_CMD("-deprecated", -IN6_IFF_DEPRECATED, setip6flags),
494 DEF_CMD("autoconf", IN6_IFF_AUTOCONF, setip6flags),
495 DEF_CMD("-autoconf", -IN6_IFF_AUTOCONF, setip6flags),
496 DEF_CMD_ARG("pltime", setip6pltime),
497 DEF_CMD_ARG("vltime", setip6vltime),
498 DEF_CMD("eui64", 0, setip6eui64),
499};
500
501static struct afswtch af_inet6 = {
502 .af_name = "inet6",
503 .af_af = AF_INET6,
504 .af_status = in6_status,
505 .af_getaddr = in6_getaddr,
506 .af_getprefix = in6_getprefix,
507 .af_postproc = in6_postproc,
508 .af_status_tunnel = in6_status_tunnel,
509 .af_settunnel = in6_set_tunnel,
510 .af_difaddr = SIOCDIFADDR_IN6,
511 .af_aifaddr = SIOCAIFADDR_IN6,
512 .af_ridreq = &in6_addreq,
513 .af_addreq = &in6_addreq,
514};
515
516static void
517in6_Lopt_cb(const char *optarg __unused)
518{
519 ip6lifetime++; /* print IPv6 address lifetime */
520}
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