ifmcstat.c revision 1.5
1 /* $NetBSD: ifmcstat.c,v 1.5 1999/12/09 15:34:19 itojun 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 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 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 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <fcntl.h> 35 #include <kvm.h> 36 #include <nlist.h> 37 #include <string.h> 38 #include <limits.h> 39 40 #include <sys/types.h> 41 #include <sys/socket.h> 42 #include <net/if.h> 43 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 44 # include <net/if_var.h> 45 #endif 46 #include <net/if_types.h> 47 #include <net/if_dl.h> 48 #include <netinet/in.h> 49 #ifndef __NetBSD__ 50 # ifdef __FreeBSD__ 51 # define KERNEL 52 # endif 53 # include <netinet/if_ether.h> 54 # ifdef __FreeBSD__ 55 # undef KERNEL 56 # endif 57 #else 58 # include <net/if_ether.h> 59 #endif 60 #include <netinet/in_var.h> 61 #include <arpa/inet.h> 62 63 kvm_t *kvmd; 64 65 struct nlist nl[] = { 66 #define N_IFNET 0 67 { "_ifnet" }, 68 { "" }, 69 }; 70 71 const char *inet6_n2a __P((struct in6_addr *)); 72 int main __P((void)); 73 char *ifname __P((struct ifnet *)); 74 void kread __P((u_long, void *, int)); 75 #if !(defined(__FreeBSD__) && __FreeBSD__ >= 3) 76 void acmc __P((struct ether_multi *)); 77 #endif 78 void if6_addrlist __P((struct ifaddr *)); 79 void in6_multilist __P((struct in6_multi *)); 80 struct in6_multi * in6_multientry __P((struct in6_multi *)); 81 82 #if !defined(__NetBSD__) && !(defined(__FreeBSD__) && __FreeBSD__ >= 3) && !defined(__OpenBSD__) 83 #ifdef __bsdi__ 84 struct ether_addr { 85 u_int8_t ether_addr_octet[6]; 86 }; 87 #endif 88 static char *ether_ntoa __P((struct ether_addr *)); 89 #endif 90 91 #define KREAD(addr, buf, type) \ 92 kread((u_long)addr, (void *)buf, sizeof(type)) 93 94 const char *inet6_n2a(p) 95 struct in6_addr *p; 96 { 97 static char buf[BUFSIZ]; 98 99 if (IN6_IS_ADDR_UNSPECIFIED(p)) 100 return "*"; 101 return inet_ntop(AF_INET6, (void *)p, buf, sizeof(buf)); 102 } 103 104 int main() 105 { 106 char buf[_POSIX2_LINE_MAX], ifname[IFNAMSIZ]; 107 struct ifnet *ifp, *nifp, ifnet; 108 #ifndef __NetBSD__ 109 struct arpcom arpcom; 110 #else 111 struct ethercom ec; 112 struct sockaddr_dl sdl; 113 #endif 114 115 if ((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, buf)) == NULL) { 116 perror("kvm_openfiles"); 117 exit(1); 118 } 119 if (kvm_nlist(kvmd, nl) < 0) { 120 perror("kvm_nlist"); 121 exit(1); 122 } 123 if (nl[N_IFNET].n_value == 0) { 124 printf("symbol %s not found\n", nl[N_IFNET].n_name); 125 exit(1); 126 } 127 KREAD(nl[N_IFNET].n_value, &ifp, struct ifnet *); 128 while (ifp) { 129 KREAD(ifp, &ifnet, struct ifnet); 130 printf("%s:\n", if_indextoname(ifnet.if_index, ifname)); 131 132 #if defined(__NetBSD__) || defined(__OpenBSD__) 133 if6_addrlist(ifnet.if_addrlist.tqh_first); 134 nifp = ifnet.if_list.tqe_next; 135 #elif defined(__FreeBSD__) && __FreeBSD__ >= 3 136 if6_addrlist(TAILQ_FIRST(&ifnet.if_addrhead)); 137 nifp = ifnet.if_link.tqe_next; 138 #else 139 if6_addrlist(ifnet.if_addrlist); 140 nifp = ifnet.if_next; 141 #endif 142 143 #ifdef __NetBSD__ 144 KREAD(ifnet.if_sadl, &sdl, struct sockaddr_dl); 145 if (sdl.sdl_type == IFT_ETHER) { 146 printf("\tenaddr %s", 147 ether_ntoa((struct ether_addr *)LLADDR(&sdl))); 148 KREAD(ifp, &ec, struct ethercom); 149 printf(" multicnt %d", ec.ec_multicnt); 150 acmc(ec.ec_multiaddrs.lh_first); 151 printf("\n"); 152 } 153 #elif defined(__FreeBSD__) && __FreeBSD__ >= 3 154 /* not supported */ 155 #else 156 if (ifnet.if_type == IFT_ETHER) { 157 KREAD(ifp, &arpcom, struct arpcom); 158 printf("\tenaddr %s", 159 ether_ntoa((struct ether_addr *)arpcom.ac_enaddr)); 160 KREAD(ifp, &arpcom, struct arpcom); 161 printf(" multicnt %d", arpcom.ac_multicnt); 162 #ifdef __OpenBSD__ 163 acmc(arpcom.ac_multiaddrs.lh_first); 164 #else 165 acmc(arpcom.ac_multiaddrs); 166 #endif 167 printf("\n"); 168 } 169 #endif 170 171 ifp = nifp; 172 } 173 174 exit(0); 175 /*NOTREACHED*/ 176 } 177 178 char *ifname(ifp) 179 struct ifnet *ifp; 180 { 181 static char buf[BUFSIZ]; 182 183 #if defined(__NetBSD__) || defined(__OpenBSD__) 184 KREAD(ifp->if_xname, buf, IFNAMSIZ); 185 #else 186 KREAD(ifp->if_name, buf, IFNAMSIZ); 187 #endif 188 return buf; 189 } 190 191 void kread(addr, buf, len) 192 u_long addr; 193 void *buf; 194 int len; 195 { 196 if (kvm_read(kvmd, addr, buf, len) != len) { 197 perror("kvm_read"); 198 exit(1); 199 } 200 } 201 202 #if !(defined(__FreeBSD__) && __FreeBSD__ >= 3) 203 void acmc(am) 204 struct ether_multi *am; 205 { 206 struct ether_multi em; 207 208 while (am) { 209 KREAD(am, &em, struct ether_multi); 210 211 printf("\n\t\t"); 212 printf("%s -- ", ether_ntoa((struct ether_addr *)em.enm_addrlo)); 213 printf("%s ", ether_ntoa((struct ether_addr *)&em.enm_addrhi)); 214 printf("%d", em.enm_refcount); 215 #if !defined(__NetBSD__) && !defined(__OpenBSD__) 216 am = em.enm_next; 217 #else 218 am = em.enm_list.le_next; 219 #endif 220 } 221 } 222 #endif 223 224 void 225 if6_addrlist(ifap) 226 struct ifaddr *ifap; 227 { 228 static char in6buf[BUFSIZ]; 229 struct ifaddr ifa; 230 struct sockaddr sa; 231 struct in6_ifaddr if6a; 232 struct in6_multi *mc = 0; 233 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 234 struct ifaddr *ifap0; 235 #endif /* __FreeBSD__ >= 3 */ 236 237 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 238 ifap0 = ifap; 239 #endif /* __FreeBSD__ >= 3 */ 240 while (ifap) { 241 KREAD(ifap, &ifa, struct ifaddr); 242 if (ifa.ifa_addr == NULL) 243 goto nextifap; 244 KREAD(ifa.ifa_addr, &sa, struct sockaddr); 245 if (sa.sa_family != PF_INET6) 246 goto nextifap; 247 KREAD(ifap, &if6a, struct in6_ifaddr); 248 printf("\tinet6 %s\n", 249 inet_ntop(AF_INET6, 250 (const void *)&if6a.ia_addr.sin6_addr, 251 in6buf, sizeof(in6buf))); 252 #if !(defined(__FreeBSD__) && __FreeBSD__ >= 3) 253 mc = mc ? mc : if6a.ia6_multiaddrs.lh_first; 254 #endif 255 nextifap: 256 #if defined(__NetBSD__) || defined(__OpenBSD__) 257 ifap = ifa.ifa_list.tqe_next; 258 #elif defined(__FreeBSD__) && __FreeBSD__ >= 3 259 ifap = ifa.ifa_link.tqe_next; 260 #else 261 ifap = ifa.ifa_next; 262 #endif /* __FreeBSD__ >= 3 */ 263 } 264 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 265 if (ifap0) { 266 struct ifnet ifnet; 267 struct ifmultiaddr ifm, *ifmp = 0; 268 struct sockaddr_in6 sin6; 269 struct in6_multi in6m; 270 struct sockaddr_dl sdl; 271 int in6_multilist_done = 0; 272 273 KREAD(ifap0, &ifa, struct ifaddr); 274 KREAD(ifa.ifa_ifp, &ifnet, struct ifnet); 275 if (ifnet.if_multiaddrs.lh_first) 276 ifmp = ifnet.if_multiaddrs.lh_first; 277 while (ifmp) { 278 KREAD(ifmp, &ifm, struct ifmultiaddr); 279 if (ifm.ifma_addr == NULL) 280 goto nextmulti; 281 KREAD(ifm.ifma_addr, &sa, struct sockaddr); 282 if (sa.sa_family != AF_INET6) 283 goto nextmulti; 284 (void)in6_multientry((struct in6_multi *) 285 ifm.ifma_protospec); 286 if (ifm.ifma_lladdr == 0) 287 goto nextmulti; 288 KREAD(ifm.ifma_lladdr, &sdl, struct sockaddr_dl); 289 printf("\t\t\tmcast-macaddr %s multicnt %d\n", 290 ether_ntoa((struct ether_addr *)LLADDR(&sdl)), 291 ifm.ifma_refcount); 292 nextmulti: 293 ifmp = ifm.ifma_link.le_next; 294 } 295 } 296 #else 297 if (mc) 298 in6_multilist(mc); 299 #endif 300 } 301 302 struct in6_multi * 303 in6_multientry(mc) 304 struct in6_multi *mc; 305 { 306 static char mcbuf[BUFSIZ]; 307 struct in6_multi multi; 308 309 KREAD(mc, &multi, struct in6_multi); 310 printf("\t\tgroup %s\n", inet_ntop(AF_INET6, 311 (const void *)&multi.in6m_addr, 312 mcbuf, sizeof(mcbuf))); 313 return(multi.in6m_entry.le_next); 314 } 315 316 void 317 in6_multilist(mc) 318 struct in6_multi *mc; 319 { 320 while (mc) 321 mc = in6_multientry(mc); 322 } 323 324 #if !defined(__NetBSD__) && !(defined(__FreeBSD__) && __FreeBSD__ >= 3) && !defined(__OpenBSD__) 325 static char * 326 ether_ntoa(e) 327 struct ether_addr *e; 328 { 329 static char buf[20]; 330 u_char *p; 331 332 p = (u_char *)e; 333 334 snprintf(buf, sizeof(buf), "%02x:%02x:%02x:%02x:%02x:%02x", 335 p[0], p[1], p[2], p[3], p[4], p[5]); 336 return buf; 337 } 338 #endif 339
Indexes created Thu Sep 25 16:09:42 GMT 2025