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if.c (78064) if.c (118660)
1/* $KAME: if.c,v 1.15 2001/05/22 06:04:17 jinmei Exp $ */
2
3/*
4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
1/* $KAME: if.c,v 1.15 2001/05/22 06:04:17 jinmei Exp $ */
2
3/*
4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: head/usr.sbin/rtsold/if.c 78064 2001-06-11 12:39:29Z ume $
31 * $FreeBSD: head/usr.sbin/rtsold/if.c 118660 2003-08-08 16:38:23Z ume $
32 */
33
34#include <sys/param.h>
35#include <sys/socket.h>
36#include <sys/sysctl.h>
37#include <sys/ioctl.h>
38#include <sys/queue.h>
39

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96interface_up(char *name)
97{
98 struct ifreq ifr;
99 int llflag;
100
101 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
102
103 if (ioctl(ifsock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
32 */
33
34#include <sys/param.h>
35#include <sys/socket.h>
36#include <sys/sysctl.h>
37#include <sys/ioctl.h>
38#include <sys/queue.h>
39

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96interface_up(char *name)
97{
98 struct ifreq ifr;
99 int llflag;
100
101 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
102
103 if (ioctl(ifsock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
104 warnmsg(LOG_WARNING, __FUNCTION__, "ioctl(SIOCGIFFLAGS): %s",
104 warnmsg(LOG_WARNING, __func__, "ioctl(SIOCGIFFLAGS): %s",
105 strerror(errno));
106 return(-1);
107 }
108 if (!(ifr.ifr_flags & IFF_UP)) {
109 ifr.ifr_flags |= IFF_UP;
110 if (ioctl(ifsock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
105 strerror(errno));
106 return(-1);
107 }
108 if (!(ifr.ifr_flags & IFF_UP)) {
109 ifr.ifr_flags |= IFF_UP;
110 if (ioctl(ifsock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
111 warnmsg(LOG_ERR, __FUNCTION__,
111 warnmsg(LOG_ERR, __func__,
112 "ioctl(SIOCSIFFLAGS): %s", strerror(errno));
113 }
114 return(-1);
115 }
116
112 "ioctl(SIOCSIFFLAGS): %s", strerror(errno));
113 }
114 return(-1);
115 }
116
117 warnmsg(LOG_DEBUG, __FUNCTION__, "checking if %s is ready...", name);
117 warnmsg(LOG_DEBUG, __func__, "checking if %s is ready...", name);
118
119 llflag = get_llflag(name);
120 if (llflag < 0) {
118
119 llflag = get_llflag(name);
120 if (llflag < 0) {
121 warnmsg(LOG_WARNING, __FUNCTION__,
121 warnmsg(LOG_WARNING, __func__,
122 "get_llflag() failed, anyway I'll try");
123 return 0;
124 }
125
126 if (!(llflag & IN6_IFF_NOTREADY)) {
122 "get_llflag() failed, anyway I'll try");
123 return 0;
124 }
125
126 if (!(llflag & IN6_IFF_NOTREADY)) {
127 warnmsg(LOG_DEBUG, __FUNCTION__,
127 warnmsg(LOG_DEBUG, __func__,
128 "%s is ready", name);
129 return(0);
130 } else {
131 if (llflag & IN6_IFF_TENTATIVE) {
128 "%s is ready", name);
129 return(0);
130 } else {
131 if (llflag & IN6_IFF_TENTATIVE) {
132 warnmsg(LOG_DEBUG, __FUNCTION__, "%s is tentative",
132 warnmsg(LOG_DEBUG, __func__, "%s is tentative",
133 name);
134 return IFS_TENTATIVE;
135 }
136 if (llflag & IN6_IFF_DUPLICATED)
133 name);
134 return IFS_TENTATIVE;
135 }
136 if (llflag & IN6_IFF_DUPLICATED)
137 warnmsg(LOG_DEBUG, __FUNCTION__, "%s is duplicated",
137 warnmsg(LOG_DEBUG, __func__, "%s is duplicated",
138 name);
139 return -1;
140 }
141}
142
143int
144interface_status(struct ifinfo *ifinfo)
145{
146 char *ifname = ifinfo->ifname;
147 struct ifreq ifr;
148 struct ifmediareq ifmr;
149
150 /* get interface flags */
151 memset(&ifr, 0, sizeof(ifr));
152 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
153 if (ioctl(ifsock, SIOCGIFFLAGS, &ifr) < 0) {
138 name);
139 return -1;
140 }
141}
142
143int
144interface_status(struct ifinfo *ifinfo)
145{
146 char *ifname = ifinfo->ifname;
147 struct ifreq ifr;
148 struct ifmediareq ifmr;
149
150 /* get interface flags */
151 memset(&ifr, 0, sizeof(ifr));
152 strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
153 if (ioctl(ifsock, SIOCGIFFLAGS, &ifr) < 0) {
154 warnmsg(LOG_ERR, __FUNCTION__, "ioctl(SIOCGIFFLAGS) on %s: %s",
154 warnmsg(LOG_ERR, __func__, "ioctl(SIOCGIFFLAGS) on %s: %s",
155 ifname, strerror(errno));
156 return(-1);
157 }
158 /*
159 * if one of UP and RUNNING flags is dropped,
160 * the interface is not active.
161 */
162 if ((ifr.ifr_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) {
163 goto inactive;
164 }
165
166 /* Next, check carrier on the interface, if possible */
167 if (!ifinfo->mediareqok)
168 goto active;
169 memset(&ifmr, 0, sizeof(ifmr));
170 strncpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
171
172 if (ioctl(ifsock, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
173 if (errno != EINVAL) {
155 ifname, strerror(errno));
156 return(-1);
157 }
158 /*
159 * if one of UP and RUNNING flags is dropped,
160 * the interface is not active.
161 */
162 if ((ifr.ifr_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) {
163 goto inactive;
164 }
165
166 /* Next, check carrier on the interface, if possible */
167 if (!ifinfo->mediareqok)
168 goto active;
169 memset(&ifmr, 0, sizeof(ifmr));
170 strncpy(ifmr.ifm_name, ifname, sizeof(ifmr.ifm_name));
171
172 if (ioctl(ifsock, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
173 if (errno != EINVAL) {
174 warnmsg(LOG_DEBUG, __FUNCTION__,
174 warnmsg(LOG_DEBUG, __func__,
175 "ioctl(SIOCGIFMEDIA) on %s: %s",
176 ifname, strerror(errno));
177 return(-1);
178 }
179 /*
180 * EINVAL simply means that the interface does not support
181 * the SIOCGIFMEDIA ioctl. We regard it alive.
182 */

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239#ifdef IFT_IEEE80211
240 case IFT_IEEE80211:
241#endif
242 ndopt->nd_opt_len = (ROUNDUP8(ETHER_ADDR_LEN + 2)) >> 3;
243 addr = (char *)(ndopt + 1);
244 memcpy(addr, LLADDR(sdl), ETHER_ADDR_LEN);
245 break;
246 default:
175 "ioctl(SIOCGIFMEDIA) on %s: %s",
176 ifname, strerror(errno));
177 return(-1);
178 }
179 /*
180 * EINVAL simply means that the interface does not support
181 * the SIOCGIFMEDIA ioctl. We regard it alive.
182 */

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239#ifdef IFT_IEEE80211
240 case IFT_IEEE80211:
241#endif
242 ndopt->nd_opt_len = (ROUNDUP8(ETHER_ADDR_LEN + 2)) >> 3;
243 addr = (char *)(ndopt + 1);
244 memcpy(addr, LLADDR(sdl), ETHER_ADDR_LEN);
245 break;
246 default:
247 warnmsg(LOG_ERR, __FUNCTION__,
247 warnmsg(LOG_ERR, __func__,
248 "unsupported link type(%d)", sdl->sdl_type);
249 exit(1);
250 }
251
252 return;
253}
254
255struct sockaddr_dl *

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328{
329#ifdef HAVE_GETIFADDRS
330 struct ifaddrs *ifap, *ifa;
331 struct in6_ifreq ifr6;
332 struct sockaddr_in6 *sin6;
333 int s;
334
335 if ((s = socket(PF_INET6, SOCK_DGRAM, 0)) < 0) {
248 "unsupported link type(%d)", sdl->sdl_type);
249 exit(1);
250 }
251
252 return;
253}
254
255struct sockaddr_dl *

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328{
329#ifdef HAVE_GETIFADDRS
330 struct ifaddrs *ifap, *ifa;
331 struct in6_ifreq ifr6;
332 struct sockaddr_in6 *sin6;
333 int s;
334
335 if ((s = socket(PF_INET6, SOCK_DGRAM, 0)) < 0) {
336 warnmsg(LOG_ERR, __FUNCTION__, "socket(SOCK_DGRAM): %s",
336 warnmsg(LOG_ERR, __func__, "socket(SOCK_DGRAM): %s",
337 strerror(errno));
338 exit(1);
339 }
340 if (getifaddrs(&ifap) != 0) {
337 strerror(errno));
338 exit(1);
339 }
340 if (getifaddrs(&ifap) != 0) {
341 warnmsg(LOG_ERR, __FUNCTION__, "etifaddrs: %s",
341 warnmsg(LOG_ERR, __func__, "etifaddrs: %s",
342 strerror(errno));
343 exit(1);
344 }
345
346 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
347 if (strlen(ifa->ifa_name) != strlen(name)
348 || strncmp(ifa->ifa_name, name, strlen(name)) != 0)
349 continue;
350 if (ifa->ifa_addr->sa_family != AF_INET6)
351 continue;
352 sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
353 if (!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr))
354 continue;
355
356 memset(&ifr6, 0, sizeof(ifr6));
357 strcpy(ifr6.ifr_name, name);
358 memcpy(&ifr6.ifr_ifru.ifru_addr, sin6, sin6->sin6_len);
359 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) < 0) {
342 strerror(errno));
343 exit(1);
344 }
345
346 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
347 if (strlen(ifa->ifa_name) != strlen(name)
348 || strncmp(ifa->ifa_name, name, strlen(name)) != 0)
349 continue;
350 if (ifa->ifa_addr->sa_family != AF_INET6)
351 continue;
352 sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
353 if (!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr))
354 continue;
355
356 memset(&ifr6, 0, sizeof(ifr6));
357 strcpy(ifr6.ifr_name, name);
358 memcpy(&ifr6.ifr_ifru.ifru_addr, sin6, sin6->sin6_len);
359 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) < 0) {
360 warnmsg(LOG_ERR, __FUNCTION__,
360 warnmsg(LOG_ERR, __func__,
361 "ioctl(SIOCGIFAFLAG_IN6): %s", strerror(errno));
362 exit(1);
363 }
364
365 freeifaddrs(ifap);
366 close(s);
367 return ifr6.ifr_ifru.ifru_flags6;
368 }

--- 8 unchanged lines hidden (view full) ---

377 struct ifconf ifconf;
378 struct ifreq *ifr, *ifr_end;
379 struct sockaddr_in6 *sin6;
380 struct in6_ifreq ifr6;
381
382 maxif = if_maxindex() + 1;
383 iflist = (struct ifreq *)malloc(maxif * BUFSIZ); /* XXX */
384 if (iflist == NULL) {
361 "ioctl(SIOCGIFAFLAG_IN6): %s", strerror(errno));
362 exit(1);
363 }
364
365 freeifaddrs(ifap);
366 close(s);
367 return ifr6.ifr_ifru.ifru_flags6;
368 }

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377 struct ifconf ifconf;
378 struct ifreq *ifr, *ifr_end;
379 struct sockaddr_in6 *sin6;
380 struct in6_ifreq ifr6;
381
382 maxif = if_maxindex() + 1;
383 iflist = (struct ifreq *)malloc(maxif * BUFSIZ); /* XXX */
384 if (iflist == NULL) {
385 warnmsg(LOG_ERR, __FUNCTION__, "not enough core");
385 warnmsg(LOG_ERR, __func__, "not enough core");
386 exit(1);
387 }
388
389 if ((s = socket(PF_INET6, SOCK_DGRAM, 0)) < 0) {
386 exit(1);
387 }
388
389 if ((s = socket(PF_INET6, SOCK_DGRAM, 0)) < 0) {
390 warnmsg(LOG_ERR, __FUNCTION__, "socket(SOCK_DGRAM): %s",
390 warnmsg(LOG_ERR, __func__, "socket(SOCK_DGRAM): %s",
391 strerror(errno));
392 exit(1);
393 }
394 memset(&ifconf, 0, sizeof(ifconf));
395 ifconf.ifc_req = iflist;
396 ifconf.ifc_len = maxif * BUFSIZ; /* XXX */
397 if (ioctl(s, SIOCGIFCONF, &ifconf) < 0) {
391 strerror(errno));
392 exit(1);
393 }
394 memset(&ifconf, 0, sizeof(ifconf));
395 ifconf.ifc_req = iflist;
396 ifconf.ifc_len = maxif * BUFSIZ; /* XXX */
397 if (ioctl(s, SIOCGIFCONF, &ifconf) < 0) {
398 warnmsg(LOG_ERR, __FUNCTION__, "ioctl(SIOCGIFCONF): %s",
398 warnmsg(LOG_ERR, __func__, "ioctl(SIOCGIFCONF): %s",
399 strerror(errno));
400 exit(1);
401 }
402
403 /* Look for this interface in the list */
404 ifr_end = (struct ifreq *) (ifconf.ifc_buf + ifconf.ifc_len);
405 for (ifr = ifconf.ifc_req;
406 ifr < ifr_end;

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414 sin6 = (struct sockaddr_in6 *)&ifr->ifr_addr;
415 if (!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr))
416 continue;
417
418 memset(&ifr6, 0, sizeof(ifr6));
419 strcpy(ifr6.ifr_name, name);
420 memcpy(&ifr6.ifr_ifru.ifru_addr, sin6, sin6->sin6_len);
421 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) < 0) {
399 strerror(errno));
400 exit(1);
401 }
402
403 /* Look for this interface in the list */
404 ifr_end = (struct ifreq *) (ifconf.ifc_buf + ifconf.ifc_len);
405 for (ifr = ifconf.ifc_req;
406 ifr < ifr_end;

--- 7 unchanged lines hidden (view full) ---

414 sin6 = (struct sockaddr_in6 *)&ifr->ifr_addr;
415 if (!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr))
416 continue;
417
418 memset(&ifr6, 0, sizeof(ifr6));
419 strcpy(ifr6.ifr_name, name);
420 memcpy(&ifr6.ifr_ifru.ifru_addr, sin6, sin6->sin6_len);
421 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) < 0) {
422 warnmsg(LOG_ERR, __FUNCTION__,
422 warnmsg(LOG_ERR, __func__,
423 "ioctl(SIOCGIFAFLAG_IN6): %s", strerror(errno));
424 exit(1);
425 }
426
427 free(iflist);
428 close(s);
429 return ifr6.ifr_ifru.ifru_flags6;
430 }

--- 38 unchanged lines hidden --- 		423 "ioctl(SIOCGIFAFLAG_IN6): %s", strerror(errno));
424 exit(1);
425 }
426
427 free(iflist);
428 close(s);
429 return ifr6.ifr_ifru.ifru_flags6;
430 }

--- 38 unchanged lines hidden ---