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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef lint
31static const char rcsid[] =
| 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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef lint
31static const char rcsid[] =
|
32 "$FreeBSD: head/sbin/ifconfig/af_inet6.c 138593 2004-12-08 19:18:07Z sam $";
| 32 "$FreeBSD: head/sbin/ifconfig/af_inet6.c 146187 2005-05-13 16:31:11Z ume $";
|
33#endif /* not lint */
34
35#include <sys/param.h>
36#include <sys/ioctl.h>
37#include <sys/socket.h>
38#include <net/if.h>
39#include <net/route.h> /* for RTX_IFA */
40
41#include <err.h>
42#include <stdio.h>
43#include <stdlib.h>
44#include <string.h>
45#include <unistd.h>
46#include <ifaddrs.h>
47
48#include <arpa/inet.h>
49
50#include <netinet/in.h>
51#include <net/if_var.h> /* for struct ifaddr */
52#include <netinet/in_var.h>
53#include <arpa/inet.h>
54#include <netdb.h>
55
56#include <netinet6/nd6.h> /* Define ND6_INFINITE_LIFETIME */
57
58#include "ifconfig.h"
59
| 33#endif /* not lint */
34
35#include <sys/param.h>
36#include <sys/ioctl.h>
37#include <sys/socket.h>
38#include <net/if.h>
39#include <net/route.h> /* for RTX_IFA */
40
41#include <err.h>
42#include <stdio.h>
43#include <stdlib.h>
44#include <string.h>
45#include <unistd.h>
46#include <ifaddrs.h>
47
48#include <arpa/inet.h>
49
50#include <netinet/in.h>
51#include <net/if_var.h> /* for struct ifaddr */
52#include <netinet/in_var.h>
53#include <arpa/inet.h>
54#include <netdb.h>
55
56#include <netinet6/nd6.h> /* Define ND6_INFINITE_LIFETIME */
57
58#include "ifconfig.h"
59
|
60/* wrapper for KAME-special getnameinfo() */
61#ifndef NI_WITHSCOPEID
62#define NI_WITHSCOPEID 0
63#endif
64
| |
65static struct in6_ifreq in6_ridreq;
66static struct in6_aliasreq in6_addreq =
67 { { 0 },
68 { 0 },
69 { 0 },
70 { 0 },
71 0,
72 { 0, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME } };
73static int ip6lifetime;
74
75static void in6_fillscopeid(struct sockaddr_in6 *sin6);
76static int prefix(void *, int);
77static char *sec2str(time_t);
78static int explicit_prefix = 0;
79
80static char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/
81
82static void
83setifprefixlen(const char *addr, int dummy __unused, int s,
84 const struct afswtch *afp)
85{
86 if (afp->af_getprefix != NULL)
87 afp->af_getprefix(addr, MASK);
88 explicit_prefix = 1;
89}
90
91static void
92setip6flags(const char *dummyaddr __unused, int flag, int dummysoc __unused,
93 const struct afswtch *afp)
94{
95 if (afp->af_af != AF_INET6)
96 err(1, "address flags can be set only for inet6 addresses");
97
98 if (flag < 0)
99 in6_addreq.ifra_flags &= ~(-flag);
100 else
101 in6_addreq.ifra_flags |= flag;
102}
103
104static void
105setip6lifetime(const char *cmd, const char *val, int s,
106 const struct afswtch *afp)
107{
108 time_t newval, t;
109 char *ep;
110
111 t = time(NULL);
112 newval = (time_t)strtoul(val, &ep, 0);
113 if (val == ep)
114 errx(1, "invalid %s", cmd);
115 if (afp->af_af != AF_INET6)
116 errx(1, "%s not allowed for the AF", cmd);
117 if (strcmp(cmd, "vltime") == 0) {
118 in6_addreq.ifra_lifetime.ia6t_expire = t + newval;
119 in6_addreq.ifra_lifetime.ia6t_vltime = newval;
120 } else if (strcmp(cmd, "pltime") == 0) {
121 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval;
122 in6_addreq.ifra_lifetime.ia6t_pltime = newval;
123 }
124}
125
126static void
127setip6pltime(const char *seconds, int dummy __unused, int s,
128 const struct afswtch *afp)
129{
130 setip6lifetime("pltime", seconds, s, afp);
131}
132
133static void
134setip6vltime(const char *seconds, int dummy __unused, int s,
135 const struct afswtch *afp)
136{
137 setip6lifetime("vltime", seconds, s, afp);
138}
139
140static void
141setip6eui64(const char *cmd, int dummy __unused, int s,
142 const struct afswtch *afp)
143{
144 struct ifaddrs *ifap, *ifa;
145 const struct sockaddr_in6 *sin6 = NULL;
146 const struct in6_addr *lladdr = NULL;
147 struct in6_addr *in6;
148
149 if (afp->af_af != AF_INET6)
150 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd);
151 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr;
152 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0)
153 errx(EXIT_FAILURE, "interface index is already filled");
154 if (getifaddrs(&ifap) != 0)
155 err(EXIT_FAILURE, "getifaddrs");
156 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
157 if (ifa->ifa_addr->sa_family == AF_INET6 &&
158 strcmp(ifa->ifa_name, name) == 0) {
159 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr;
160 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
161 lladdr = &sin6->sin6_addr;
162 break;
163 }
164 }
165 }
166 if (!lladdr)
167 errx(EXIT_FAILURE, "could not determine link local address");
168
169 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8);
170
171 freeifaddrs(ifap);
172}
173
174static void
175in6_fillscopeid(struct sockaddr_in6 *sin6)
176{
177#if defined(__KAME__) && defined(KAME_SCOPEID)
178 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
179 sin6->sin6_scope_id =
180 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]);
181 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0;
182 }
183#endif
184}
185
186static void
187in6_status(int s __unused, const struct rt_addrinfo * info)
188{
189 struct sockaddr_in6 *sin, null_sin;
190 struct in6_ifreq ifr6;
191 int s6;
192 u_int32_t flags6;
193 struct in6_addrlifetime lifetime;
194 time_t t = time(NULL);
195 int error;
196 u_int32_t scopeid;
197
198 memset(&null_sin, 0, sizeof(null_sin));
199
200 sin = (struct sockaddr_in6 *)info->rti_info[RTAX_IFA];
201 if (sin == NULL)
202 return;
203
204 strncpy(ifr6.ifr_name, ifr.ifr_name, sizeof(ifr.ifr_name));
205 if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
206 warn("socket(AF_INET6,SOCK_DGRAM)");
207 return;
208 }
209 ifr6.ifr_addr = *sin;
210 if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0) {
211 warn("ioctl(SIOCGIFAFLAG_IN6)");
212 close(s6);
213 return;
214 }
215 flags6 = ifr6.ifr_ifru.ifru_flags6;
216 memset(&lifetime, 0, sizeof(lifetime));
217 ifr6.ifr_addr = *sin;
218 if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) {
219 warn("ioctl(SIOCGIFALIFETIME_IN6)");
220 close(s6);
221 return;
222 }
223 lifetime = ifr6.ifr_ifru.ifru_lifetime;
224 close(s6);
225
226 /* XXX: embedded link local addr check */
227 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
228 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
229 u_short index;
230
231 index = *(u_short *)&sin->sin6_addr.s6_addr[2];
232 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
233 if (sin->sin6_scope_id == 0)
234 sin->sin6_scope_id = ntohs(index);
235 }
236 scopeid = sin->sin6_scope_id;
237
238 error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, addr_buf,
| 60static struct in6_ifreq in6_ridreq;
61static struct in6_aliasreq in6_addreq =
62 { { 0 },
63 { 0 },
64 { 0 },
65 { 0 },
66 0,
67 { 0, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME } };
68static int ip6lifetime;
69
70static void in6_fillscopeid(struct sockaddr_in6 *sin6);
71static int prefix(void *, int);
72static char *sec2str(time_t);
73static int explicit_prefix = 0;
74
75static char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/
76
77static void
78setifprefixlen(const char *addr, int dummy __unused, int s,
79 const struct afswtch *afp)
80{
81 if (afp->af_getprefix != NULL)
82 afp->af_getprefix(addr, MASK);
83 explicit_prefix = 1;
84}
85
86static void
87setip6flags(const char *dummyaddr __unused, int flag, int dummysoc __unused,
88 const struct afswtch *afp)
89{
90 if (afp->af_af != AF_INET6)
91 err(1, "address flags can be set only for inet6 addresses");
92
93 if (flag < 0)
94 in6_addreq.ifra_flags &= ~(-flag);
95 else
96 in6_addreq.ifra_flags |= flag;
97}
98
99static void
100setip6lifetime(const char *cmd, const char *val, int s,
101 const struct afswtch *afp)
102{
103 time_t newval, t;
104 char *ep;
105
106 t = time(NULL);
107 newval = (time_t)strtoul(val, &ep, 0);
108 if (val == ep)
109 errx(1, "invalid %s", cmd);
110 if (afp->af_af != AF_INET6)
111 errx(1, "%s not allowed for the AF", cmd);
112 if (strcmp(cmd, "vltime") == 0) {
113 in6_addreq.ifra_lifetime.ia6t_expire = t + newval;
114 in6_addreq.ifra_lifetime.ia6t_vltime = newval;
115 } else if (strcmp(cmd, "pltime") == 0) {
116 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval;
117 in6_addreq.ifra_lifetime.ia6t_pltime = newval;
118 }
119}
120
121static void
122setip6pltime(const char *seconds, int dummy __unused, int s,
123 const struct afswtch *afp)
124{
125 setip6lifetime("pltime", seconds, s, afp);
126}
127
128static void
129setip6vltime(const char *seconds, int dummy __unused, int s,
130 const struct afswtch *afp)
131{
132 setip6lifetime("vltime", seconds, s, afp);
133}
134
135static void
136setip6eui64(const char *cmd, int dummy __unused, int s,
137 const struct afswtch *afp)
138{
139 struct ifaddrs *ifap, *ifa;
140 const struct sockaddr_in6 *sin6 = NULL;
141 const struct in6_addr *lladdr = NULL;
142 struct in6_addr *in6;
143
144 if (afp->af_af != AF_INET6)
145 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd);
146 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr;
147 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0)
148 errx(EXIT_FAILURE, "interface index is already filled");
149 if (getifaddrs(&ifap) != 0)
150 err(EXIT_FAILURE, "getifaddrs");
151 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
152 if (ifa->ifa_addr->sa_family == AF_INET6 &&
153 strcmp(ifa->ifa_name, name) == 0) {
154 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr;
155 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
156 lladdr = &sin6->sin6_addr;
157 break;
158 }
159 }
160 }
161 if (!lladdr)
162 errx(EXIT_FAILURE, "could not determine link local address");
163
164 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8);
165
166 freeifaddrs(ifap);
167}
168
169static void
170in6_fillscopeid(struct sockaddr_in6 *sin6)
171{
172#if defined(__KAME__) && defined(KAME_SCOPEID)
173 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
174 sin6->sin6_scope_id =
175 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]);
176 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0;
177 }
178#endif
179}
180
181static void
182in6_status(int s __unused, const struct rt_addrinfo * info)
183{
184 struct sockaddr_in6 *sin, null_sin;
185 struct in6_ifreq ifr6;
186 int s6;
187 u_int32_t flags6;
188 struct in6_addrlifetime lifetime;
189 time_t t = time(NULL);
190 int error;
191 u_int32_t scopeid;
192
193 memset(&null_sin, 0, sizeof(null_sin));
194
195 sin = (struct sockaddr_in6 *)info->rti_info[RTAX_IFA];
196 if (sin == NULL)
197 return;
198
199 strncpy(ifr6.ifr_name, ifr.ifr_name, sizeof(ifr.ifr_name));
200 if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
201 warn("socket(AF_INET6,SOCK_DGRAM)");
202 return;
203 }
204 ifr6.ifr_addr = *sin;
205 if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0) {
206 warn("ioctl(SIOCGIFAFLAG_IN6)");
207 close(s6);
208 return;
209 }
210 flags6 = ifr6.ifr_ifru.ifru_flags6;
211 memset(&lifetime, 0, sizeof(lifetime));
212 ifr6.ifr_addr = *sin;
213 if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) {
214 warn("ioctl(SIOCGIFALIFETIME_IN6)");
215 close(s6);
216 return;
217 }
218 lifetime = ifr6.ifr_ifru.ifru_lifetime;
219 close(s6);
220
221 /* XXX: embedded link local addr check */
222 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
223 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
224 u_short index;
225
226 index = *(u_short *)&sin->sin6_addr.s6_addr[2];
227 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
228 if (sin->sin6_scope_id == 0)
229 sin->sin6_scope_id = ntohs(index);
230 }
231 scopeid = sin->sin6_scope_id;
232
233 error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, addr_buf,
|
239 sizeof(addr_buf), NULL, 0,
240 NI_NUMERICHOST|NI_WITHSCOPEID);
| 234 sizeof(addr_buf), NULL, 0, NI_NUMERICHOST);
|
241 if (error != 0)
242 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
243 sizeof(addr_buf));
244 printf("\tinet6 %s ", addr_buf);
245
246 if (flags & IFF_POINTOPOINT) {
247 /* note RTAX_BRD overlap with IFF_BROADCAST */
248 sin = (struct sockaddr_in6 *)info->rti_info[RTAX_BRD];
249 /*
250 * some of the interfaces do not have valid destination
251 * address.
252 */
253 if (sin && sin->sin6_family == AF_INET6) {
254 int error;
255
256 /* XXX: embedded link local addr check */
257 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
258 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
259 u_short index;
260
261 index = *(u_short *)&sin->sin6_addr.s6_addr[2];
262 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
263 if (sin->sin6_scope_id == 0)
264 sin->sin6_scope_id = ntohs(index);
265 }
266
267 error = getnameinfo((struct sockaddr *)sin,
268 sin->sin6_len, addr_buf,
269 sizeof(addr_buf), NULL, 0,
| 235 if (error != 0)
236 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
237 sizeof(addr_buf));
238 printf("\tinet6 %s ", addr_buf);
239
240 if (flags & IFF_POINTOPOINT) {
241 /* note RTAX_BRD overlap with IFF_BROADCAST */
242 sin = (struct sockaddr_in6 *)info->rti_info[RTAX_BRD];
243 /*
244 * some of the interfaces do not have valid destination
245 * address.
246 */
247 if (sin && sin->sin6_family == AF_INET6) {
248 int error;
249
250 /* XXX: embedded link local addr check */
251 if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) &&
252 *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) {
253 u_short index;
254
255 index = *(u_short *)&sin->sin6_addr.s6_addr[2];
256 *(u_short *)&sin->sin6_addr.s6_addr[2] = 0;
257 if (sin->sin6_scope_id == 0)
258 sin->sin6_scope_id = ntohs(index);
259 }
260
261 error = getnameinfo((struct sockaddr *)sin,
262 sin->sin6_len, addr_buf,
263 sizeof(addr_buf), NULL, 0,
|
270 NI_NUMERICHOST|NI_WITHSCOPEID);
| 264 NI_NUMERICHOST);
|
271 if (error != 0)
272 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
273 sizeof(addr_buf));
274 printf("--> %s ", addr_buf);
275 }
276 }
277
278 sin = (struct sockaddr_in6 *)info->rti_info[RTAX_NETMASK];
279 if (!sin)
280 sin = &null_sin;
281 printf("prefixlen %d ", prefix(&sin->sin6_addr,
282 sizeof(struct in6_addr)));
283
284 if ((flags6 & IN6_IFF_ANYCAST) != 0)
285 printf("anycast ");
286 if ((flags6 & IN6_IFF_TENTATIVE) != 0)
287 printf("tentative ");
288 if ((flags6 & IN6_IFF_DUPLICATED) != 0)
289 printf("duplicated ");
290 if ((flags6 & IN6_IFF_DETACHED) != 0)
291 printf("detached ");
292 if ((flags6 & IN6_IFF_DEPRECATED) != 0)
293 printf("deprecated ");
294 if ((flags6 & IN6_IFF_AUTOCONF) != 0)
295 printf("autoconf ");
296 if ((flags6 & IN6_IFF_TEMPORARY) != 0)
297 printf("temporary ");
298
299 if (scopeid)
300 printf("scopeid 0x%x ", scopeid);
301
302 if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) {
303 printf("pltime ");
304 if (lifetime.ia6t_preferred) {
305 printf("%s ", lifetime.ia6t_preferred < t
306 ? "0" : sec2str(lifetime.ia6t_preferred - t));
307 } else
308 printf("infty ");
309
310 printf("vltime ");
311 if (lifetime.ia6t_expire) {
312 printf("%s ", lifetime.ia6t_expire < t
313 ? "0" : sec2str(lifetime.ia6t_expire - t));
314 } else
315 printf("infty ");
316 }
317
318 putchar('\n');
319}
320
321#define SIN6(x) ((struct sockaddr_in6 *) &(x))
322static struct sockaddr_in6 *sin6tab[] = {
323 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr),
324 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)
325};
326
327static void
328in6_getprefix(const char *plen, int which)
329{
330 struct sockaddr_in6 *sin = sin6tab[which];
331 u_char *cp;
332 int len = atoi(plen);
333
334 if ((len < 0) || (len > 128))
335 errx(1, "%s: bad value", plen);
336 sin->sin6_len = sizeof(*sin);
337 if (which != MASK)
338 sin->sin6_family = AF_INET6;
339 if ((len == 0) || (len == 128)) {
340 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr));
341 return;
342 }
343 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr));
344 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8)
345 *cp++ = 0xff;
346 *cp = 0xff << (8 - len);
347}
348
349static void
350in6_getaddr(const char *s, int which)
351{
352 struct sockaddr_in6 *sin = sin6tab[which];
353 struct addrinfo hints, *res;
354 int error = -1;
355
356 newaddr &= 1;
357
358 sin->sin6_len = sizeof(*sin);
359 if (which != MASK)
360 sin->sin6_family = AF_INET6;
361
362 if (which == ADDR) {
363 char *p = NULL;
364 if((p = strrchr(s, '/')) != NULL) {
365 *p = '\0';
366 in6_getprefix(p + 1, MASK);
367 explicit_prefix = 1;
368 }
369 }
370
371 if (sin->sin6_family == AF_INET6) {
372 bzero(&hints, sizeof(struct addrinfo));
373 hints.ai_family = AF_INET6;
374 error = getaddrinfo(s, NULL, &hints, &res);
375 }
376 if (error != 0) {
377 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1)
378 errx(1, "%s: bad value", s);
379 } else
380 bcopy(res->ai_addr, sin, res->ai_addrlen);
381}
382
383static int
384prefix(void *val, int size)
385{
386 u_char *name = (u_char *)val;
387 int byte, bit, plen = 0;
388
389 for (byte = 0; byte < size; byte++, plen += 8)
390 if (name[byte] != 0xff)
391 break;
392 if (byte == size)
393 return (plen);
394 for (bit = 7; bit != 0; bit--, plen++)
395 if (!(name[byte] & (1 << bit)))
396 break;
397 for (; bit != 0; bit--)
398 if (name[byte] & (1 << bit))
399 return(0);
400 byte++;
401 for (; byte < size; byte++)
402 if (name[byte])
403 return(0);
404 return (plen);
405}
406
407static char *
408sec2str(time_t total)
409{
410 static char result[256];
411 int days, hours, mins, secs;
412 int first = 1;
413 char *p = result;
414
415 if (0) {
416 days = total / 3600 / 24;
417 hours = (total / 3600) % 24;
418 mins = (total / 60) % 60;
419 secs = total % 60;
420
421 if (days) {
422 first = 0;
423 p += sprintf(p, "%dd", days);
424 }
425 if (!first || hours) {
426 first = 0;
427 p += sprintf(p, "%dh", hours);
428 }
429 if (!first || mins) {
430 first = 0;
431 p += sprintf(p, "%dm", mins);
432 }
433 sprintf(p, "%ds", secs);
434 } else
435 sprintf(result, "%lu", (unsigned long)total);
436
437 return(result);
438}
439
440static void
441in6_postproc(int s, const struct afswtch *afp)
442{
443 if (explicit_prefix == 0) {
444 /* Aggregatable address architecture defines all prefixes
445 are 64. So, it is convenient to set prefixlen to 64 if
446 it is not specified. */
447 setifprefixlen("64", 0, s, afp);
448 /* in6_getprefix("64", MASK) if MASK is available here... */
449 }
450}
451
452static void
453in6_status_tunnel(int s)
454{
455 char src[NI_MAXHOST];
456 char dst[NI_MAXHOST];
| 265 if (error != 0)
266 inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf,
267 sizeof(addr_buf));
268 printf("--> %s ", addr_buf);
269 }
270 }
271
272 sin = (struct sockaddr_in6 *)info->rti_info[RTAX_NETMASK];
273 if (!sin)
274 sin = &null_sin;
275 printf("prefixlen %d ", prefix(&sin->sin6_addr,
276 sizeof(struct in6_addr)));
277
278 if ((flags6 & IN6_IFF_ANYCAST) != 0)
279 printf("anycast ");
280 if ((flags6 & IN6_IFF_TENTATIVE) != 0)
281 printf("tentative ");
282 if ((flags6 & IN6_IFF_DUPLICATED) != 0)
283 printf("duplicated ");
284 if ((flags6 & IN6_IFF_DETACHED) != 0)
285 printf("detached ");
286 if ((flags6 & IN6_IFF_DEPRECATED) != 0)
287 printf("deprecated ");
288 if ((flags6 & IN6_IFF_AUTOCONF) != 0)
289 printf("autoconf ");
290 if ((flags6 & IN6_IFF_TEMPORARY) != 0)
291 printf("temporary ");
292
293 if (scopeid)
294 printf("scopeid 0x%x ", scopeid);
295
296 if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) {
297 printf("pltime ");
298 if (lifetime.ia6t_preferred) {
299 printf("%s ", lifetime.ia6t_preferred < t
300 ? "0" : sec2str(lifetime.ia6t_preferred - t));
301 } else
302 printf("infty ");
303
304 printf("vltime ");
305 if (lifetime.ia6t_expire) {
306 printf("%s ", lifetime.ia6t_expire < t
307 ? "0" : sec2str(lifetime.ia6t_expire - t));
308 } else
309 printf("infty ");
310 }
311
312 putchar('\n');
313}
314
315#define SIN6(x) ((struct sockaddr_in6 *) &(x))
316static struct sockaddr_in6 *sin6tab[] = {
317 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr),
318 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)
319};
320
321static void
322in6_getprefix(const char *plen, int which)
323{
324 struct sockaddr_in6 *sin = sin6tab[which];
325 u_char *cp;
326 int len = atoi(plen);
327
328 if ((len < 0) || (len > 128))
329 errx(1, "%s: bad value", plen);
330 sin->sin6_len = sizeof(*sin);
331 if (which != MASK)
332 sin->sin6_family = AF_INET6;
333 if ((len == 0) || (len == 128)) {
334 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr));
335 return;
336 }
337 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr));
338 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8)
339 *cp++ = 0xff;
340 *cp = 0xff << (8 - len);
341}
342
343static void
344in6_getaddr(const char *s, int which)
345{
346 struct sockaddr_in6 *sin = sin6tab[which];
347 struct addrinfo hints, *res;
348 int error = -1;
349
350 newaddr &= 1;
351
352 sin->sin6_len = sizeof(*sin);
353 if (which != MASK)
354 sin->sin6_family = AF_INET6;
355
356 if (which == ADDR) {
357 char *p = NULL;
358 if((p = strrchr(s, '/')) != NULL) {
359 *p = '\0';
360 in6_getprefix(p + 1, MASK);
361 explicit_prefix = 1;
362 }
363 }
364
365 if (sin->sin6_family == AF_INET6) {
366 bzero(&hints, sizeof(struct addrinfo));
367 hints.ai_family = AF_INET6;
368 error = getaddrinfo(s, NULL, &hints, &res);
369 }
370 if (error != 0) {
371 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1)
372 errx(1, "%s: bad value", s);
373 } else
374 bcopy(res->ai_addr, sin, res->ai_addrlen);
375}
376
377static int
378prefix(void *val, int size)
379{
380 u_char *name = (u_char *)val;
381 int byte, bit, plen = 0;
382
383 for (byte = 0; byte < size; byte++, plen += 8)
384 if (name[byte] != 0xff)
385 break;
386 if (byte == size)
387 return (plen);
388 for (bit = 7; bit != 0; bit--, plen++)
389 if (!(name[byte] & (1 << bit)))
390 break;
391 for (; bit != 0; bit--)
392 if (name[byte] & (1 << bit))
393 return(0);
394 byte++;
395 for (; byte < size; byte++)
396 if (name[byte])
397 return(0);
398 return (plen);
399}
400
401static char *
402sec2str(time_t total)
403{
404 static char result[256];
405 int days, hours, mins, secs;
406 int first = 1;
407 char *p = result;
408
409 if (0) {
410 days = total / 3600 / 24;
411 hours = (total / 3600) % 24;
412 mins = (total / 60) % 60;
413 secs = total % 60;
414
415 if (days) {
416 first = 0;
417 p += sprintf(p, "%dd", days);
418 }
419 if (!first || hours) {
420 first = 0;
421 p += sprintf(p, "%dh", hours);
422 }
423 if (!first || mins) {
424 first = 0;
425 p += sprintf(p, "%dm", mins);
426 }
427 sprintf(p, "%ds", secs);
428 } else
429 sprintf(result, "%lu", (unsigned long)total);
430
431 return(result);
432}
433
434static void
435in6_postproc(int s, const struct afswtch *afp)
436{
437 if (explicit_prefix == 0) {
438 /* Aggregatable address architecture defines all prefixes
439 are 64. So, it is convenient to set prefixlen to 64 if
440 it is not specified. */
441 setifprefixlen("64", 0, s, afp);
442 /* in6_getprefix("64", MASK) if MASK is available here... */
443 }
444}
445
446static void
447in6_status_tunnel(int s)
448{
449 char src[NI_MAXHOST];
450 char dst[NI_MAXHOST];
|
457#ifdef NI_WITHSCOPEID
458 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
459#else
460 const int niflag = NI_NUMERICHOST;
461#endif
| |
462 struct in6_ifreq in6_ifr;
463 const struct sockaddr *sa = (const struct sockaddr *) &in6_ifr.ifr_addr;
464
465 memset(&in6_ifr, 0, sizeof(in6_ifr));
466 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ);
467
468 if (ioctl(s, SIOCGIFPSRCADDR_IN6, (caddr_t)&in6_ifr) < 0)
469 return;
470 if (sa->sa_family == AF_INET6)
471 in6_fillscopeid(&in6_ifr.ifr_addr);
| 451 struct in6_ifreq in6_ifr;
452 const struct sockaddr *sa = (const struct sockaddr *) &in6_ifr.ifr_addr;
453
454 memset(&in6_ifr, 0, sizeof(in6_ifr));
455 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ);
456
457 if (ioctl(s, SIOCGIFPSRCADDR_IN6, (caddr_t)&in6_ifr) < 0)
458 return;
459 if (sa->sa_family == AF_INET6)
460 in6_fillscopeid(&in6_ifr.ifr_addr);
|
472 if (getnameinfo(sa, sa->sa_len, src, sizeof(src), 0, 0, niflag) != 0)
| 461 if (getnameinfo(sa, sa->sa_len, src, sizeof(src), 0, 0,
462 NI_NUMERICHOST) != 0)
|
473 src[0] = '\0';
474
475 if (ioctl(s, SIOCGIFPDSTADDR_IN6, (caddr_t)&in6_ifr) < 0)
476 return;
477 if (sa->sa_family == AF_INET6)
478 in6_fillscopeid(&in6_ifr.ifr_addr);
| 463 src[0] = '\0';
464
465 if (ioctl(s, SIOCGIFPDSTADDR_IN6, (caddr_t)&in6_ifr) < 0)
466 return;
467 if (sa->sa_family == AF_INET6)
468 in6_fillscopeid(&in6_ifr.ifr_addr);
|
479 if (getnameinfo(sa, sa->sa_len, dst, sizeof(dst), 0, 0, niflag) != 0)
| 469 if (getnameinfo(sa, sa->sa_len, dst, sizeof(dst), 0, 0,
470 NI_NUMERICHOST) != 0)
|
480 dst[0] = '\0';
481
482 printf("\ttunnel inet6 %s --> %s\n", src, dst);
483}
484
485static void
486in6_set_tunnel(int s, struct addrinfo *srcres, struct addrinfo *dstres)
487{
488 struct in6_aliasreq in6_addreq;
489
490 memset(&in6_addreq, 0, sizeof(in6_addreq));
491 strncpy(in6_addreq.ifra_name, name, IFNAMSIZ);
492 memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, srcres->ai_addr->sa_len);
493 memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr,
494 dstres->ai_addr->sa_len);
495
496 if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0)
497 warn("SIOCSIFPHYADDR_IN6");
498}
499
500static struct cmd inet6_cmds[] = {
501 DEF_CMD_ARG("prefixlen", setifprefixlen),
502 DEF_CMD("anycast", IN6_IFF_ANYCAST, setip6flags),
503 DEF_CMD("tentative", IN6_IFF_TENTATIVE, setip6flags),
504 DEF_CMD("-tentative", -IN6_IFF_TENTATIVE, setip6flags),
505 DEF_CMD("deprecated", IN6_IFF_DEPRECATED, setip6flags),
506 DEF_CMD("-deprecated", -IN6_IFF_DEPRECATED, setip6flags),
507 DEF_CMD("autoconf", IN6_IFF_AUTOCONF, setip6flags),
508 DEF_CMD("-autoconf", -IN6_IFF_AUTOCONF, setip6flags),
509 DEF_CMD_ARG("pltime", setip6pltime),
510 DEF_CMD_ARG("vltime", setip6vltime),
511 DEF_CMD("eui64", 0, setip6eui64),
512};
513
514static struct afswtch af_inet6 = {
515 .af_name = "inet6",
516 .af_af = AF_INET6,
517 .af_status = in6_status,
518 .af_getaddr = in6_getaddr,
519 .af_getprefix = in6_getprefix,
520 .af_postproc = in6_postproc,
521 .af_status_tunnel = in6_status_tunnel,
522 .af_settunnel = in6_set_tunnel,
523 .af_difaddr = SIOCDIFADDR_IN6,
524 .af_aifaddr = SIOCAIFADDR_IN6,
525 .af_ridreq = &in6_addreq,
526 .af_addreq = &in6_addreq,
527};
528
529static void
530in6_Lopt_cb(const char *optarg __unused)
531{
532 ip6lifetime++; /* print IPv6 address lifetime */
533}
534static struct option in6_Lopt = { "L", "[-L]", in6_Lopt_cb };
535
536static __constructor void
537inet6_ctor(void)
538{
539#define N(a) (sizeof(a) / sizeof(a[0]))
540 int i;
541
542 for (i = 0; i < N(inet6_cmds); i++)
543 cmd_register(&inet6_cmds[i]);
544 af_register(&af_inet6);
545 opt_register(&in6_Lopt);
546#undef N
547}
| 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}
525static struct option in6_Lopt = { "L", "[-L]", in6_Lopt_cb };
526
527static __constructor void
528inet6_ctor(void)
529{
530#define N(a) (sizeof(a) / sizeof(a[0]))
531 int i;
532
533 for (i = 0; i < N(inet6_cmds); i++)
534 cmd_register(&inet6_cmds[i]);
535 af_register(&af_inet6);
536 opt_register(&in6_Lopt);
537#undef N
538}
|