2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 3. Neither the name of the project 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.
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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
40 #include <sys/types.h>
41 #include <sys/socket.h>
42 #include <sys/queue.h>
44 #include <net/ethernet.h>
46 #include <net/if_var.h>
47 #include <net/if_types.h>
48 #include <net/if_dl.h>
49 #include <netinet/in.h>
51 #include <netinet/if_ether.h>
53 #include <netinet/in_var.h>
54 #include <arpa/inet.h>
66 const char *inet6_n2a __P((struct in6_addr *));
68 char *ifname __P((struct ifnet *));
69 void kread __P((u_long, void *, int));
70 void if6_addrlist __P((struct ifaddr *));
71 void in6_multilist __P((struct in6_multi *));
72 struct in6_multi * in6_multientry __P((struct in6_multi *));
74 #define KREAD(addr, buf, type) \
75 kread((u_long)addr, (void *)buf, sizeof(type))
78 struct multi6_kludge {
79 LIST_ENTRY(multi6_kludge) mk_entry;
81 struct in6_multihead mk_head;
85 const char *inet6_n2a(p)
88 static char buf[NI_MAXHOST];
89 struct sockaddr_in6 sin6;
91 const int niflags = NI_NUMERICHOST;
93 memset(&sin6, 0, sizeof(sin6));
94 sin6.sin6_family = AF_INET6;
95 sin6.sin6_len = sizeof(struct sockaddr_in6);
97 if (IN6_IS_ADDR_LINKLOCAL(p) || IN6_IS_ADDR_MC_LINKLOCAL(p)) {
98 scopeid = ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
100 sin6.sin6_scope_id = scopeid;
101 sin6.sin6_addr.s6_addr[2] = 0;
102 sin6.sin6_addr.s6_addr[3] = 0;
105 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
106 buf, sizeof(buf), NULL, 0, niflags) == 0)
114 char buf[_POSIX2_LINE_MAX], ifname[IFNAMSIZ];
115 struct ifnet *ifp, *nifp, ifnet;
117 if ((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, buf)) == NULL) {
118 perror("kvm_openfiles");
121 if (kvm_nlist(kvmd, nl) < 0) {
125 if (nl[N_IFNET].n_value == 0) {
126 printf("symbol %s not found\n", nl[N_IFNET].n_name);
129 KREAD(nl[N_IFNET].n_value, &ifp, struct ifnet *);
131 KREAD(ifp, &ifnet, struct ifnet);
132 printf("%s:\n", if_indextoname(ifnet.if_index, ifname));
134 if6_addrlist(TAILQ_FIRST(&ifnet.if_addrhead));
135 nifp = TAILQ_NEXT(&ifnet, if_link);
149 static char buf[BUFSIZ];
152 KREAD(ifp, &ifnet, struct ifnet);
153 strlcpy(buf, ifnet.if_xname, sizeof(buf));
157 void kread(addr, buf, len)
162 if (kvm_read(kvmd, addr, buf, len) != len) {
174 struct in6_ifaddr if6a;
175 struct ifaddr *ifap0;
179 KREAD(ifap, &ifa, struct ifaddr);
180 if (ifa.ifa_addr == NULL)
182 KREAD(ifa.ifa_addr, &sa, struct sockaddr);
183 if (sa.sa_family != PF_INET6)
185 KREAD(ifap, &if6a, struct in6_ifaddr);
186 printf("\tinet6 %s\n", inet6_n2a(&if6a.ia_addr.sin6_addr));
188 ifap = TAILQ_NEXT(&ifa, ifa_link);
192 struct ifmultiaddr ifm, *ifmp = 0;
193 struct sockaddr_dl sdl;
195 KREAD(ifap0, &ifa, struct ifaddr);
196 KREAD(ifa.ifa_ifp, &ifnet, struct ifnet);
197 if (TAILQ_FIRST(&ifnet.if_multiaddrs))
198 ifmp = TAILQ_FIRST(&ifnet.if_multiaddrs);
200 KREAD(ifmp, &ifm, struct ifmultiaddr);
201 if (ifm.ifma_addr == NULL)
203 KREAD(ifm.ifma_addr, &sa, struct sockaddr);
204 if (sa.sa_family != AF_INET6)
206 (void)in6_multientry((struct in6_multi *)
208 if (ifm.ifma_lladdr == 0)
210 KREAD(ifm.ifma_lladdr, &sdl, struct sockaddr_dl);
211 printf("\t\t\tmcast-macaddr %s multicnt %d\n",
212 ether_ntoa((struct ether_addr *)LLADDR(&sdl)),
215 ifmp = TAILQ_NEXT(&ifm, ifma_link);
219 if (nl[N_IN6_MK].n_value != 0) {
220 LIST_HEAD(in6_mktype, multi6_kludge) in6_mk;
221 struct multi6_kludge *mkp, mk;
224 KREAD(nl[N_IN6_MK].n_value, &in6_mk, struct in6_mktype);
225 KREAD(ifap0, &ifa, struct ifaddr);
227 nam = strdup(ifname(ifa.ifa_ifp));
229 fprintf(stderr, "ifmcstat: not enough core\n");
233 LIST_FOREACH(mkp, &in6_mk, mk_entry) {
234 KREAD(mkp, &mk, struct multi6_kludge);
235 if (strcmp(nam, ifname(mk.mk_ifp)) == 0 &&
236 LIST_FIRST(&mk.mk_head)) {
237 printf("\t(on kludge entry for %s)\n", nam);
238 in6_multilist(LIST_FIRST(&mk.mk_head));
249 struct in6_multi *mc;
251 struct in6_multi multi;
253 KREAD(mc, &multi, struct in6_multi);
254 printf("\t\tgroup %s", inet6_n2a(&multi.in6m_addr));
255 printf(" refcnt %u\n", multi.in6m_refcount);
256 return(LIST_NEXT(&multi, in6m_entry));
261 struct in6_multi *mc;
264 mc = in6_multientry(mc);