ifmcstat.c revision 1.2
1 /* $NetBSD: ifmcstat.c,v 1.2 1999/07/06 13:16:33 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 39 #include <sys/types.h> 40 #include <sys/socket.h> 41 #include <net/if.h> 42 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 43 #include <net/if_var.h> 44 #include <net/if_dl.h> 45 #endif /* __FreeBSD__ >= 3 */ 46 #include <netinet/in.h> 47 #ifndef __NetBSD__ 48 #ifdef __FreeBSD__ 49 #define KERNEL 50 #endif 51 #include <netinet/if_ether.h> 52 #ifdef __FreeBSD__ 53 #undef KERNEL 54 #endif 55 #else /* __NetBSD__ */ 56 #include <net/if_ether.h> 57 #include <net/if_dl.h> 58 #include <net/if_types.h> 59 #endif /* __NetBSD__ */ 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 #ifndef __NetBSD__ 75 int havearpcom __P((char *)); 76 #endif /* __NetBSD__ */ 77 void kread __P((u_long, void *, int)); 78 #if !defined(__FreeBSD__) || __FreeBSD__ < 3 79 void acmc __P((struct ether_multi *)); 80 #else 81 void ifmamc __P((struct ifmultiaddr *ifma_p)); 82 #endif /* __FreeBSD__ < 3 */ 83 void if6_addrlist __P((struct ifaddr *)); 84 void in6_multilist __P((struct in6_multi *)); 85 struct in6_multi * in6_multientry __P((struct in6_multi *)); 86 87 #define KREAD(addr, buf, type) \ 88 kread((u_long)addr, (void *)buf, sizeof(type)) 89 90 const char *inet6_n2a(p) 91 struct in6_addr *p; 92 { 93 static char buf[BUFSIZ]; 94 95 if (IN6_IS_ADDR_ANY(p)) 96 return "*"; 97 return inet_ntop(AF_INET6, (void *)p, buf, sizeof(buf)); 98 } 99 100 int main() 101 { 102 char buf[BUFSIZ], ifname[IFNAMSIZ]; 103 struct ifnet *ifp, ifnet; 104 #ifndef __NetBSD__ 105 struct arpcom arpcom; 106 #else 107 struct ethercom ec; 108 struct sockaddr_dl sdl; 109 #endif 110 111 if ((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, buf)) == NULL) { 112 perror("kvm_openfiles"); 113 exit(1); 114 } 115 if (kvm_nlist(kvmd, nl) < 0) { 116 perror("kvm_nlist"); 117 exit(1); 118 } 119 if (nl[N_IFNET].n_value == 0) { 120 printf("symbol %s not found\n", nl[N_IFNET].n_name); 121 exit(1); 122 } 123 KREAD(nl[N_IFNET].n_value, &ifp, struct ifnet *); 124 while (ifp) { 125 KREAD(ifp, &ifnet, struct ifnet); 126 printf("%s:\n", if_indextoname(ifnet.if_index, ifname)); 127 128 #ifndef __NetBSD__ 129 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 130 if6_addrlist(TAILQ_FIRST(&ifnet.if_addrhead)); 131 ifp = ifnet.if_link.tqe_next; 132 #else /* __FreeBSD__ >= 3 */ 133 if6_addrlist(ifnet.if_addrlist); 134 135 if (havearpcom(ifname)) { 136 KREAD(ifp, &arpcom, struct arpcom); 137 printf("\tenaddr %02x:%02x:%02x:%02x:%02x:%02x", 138 arpcom.ac_enaddr[0], arpcom.ac_enaddr[1], 139 arpcom.ac_enaddr[2], arpcom.ac_enaddr[3], 140 arpcom.ac_enaddr[4], arpcom.ac_enaddr[5]); 141 printf(" multicnt %d", arpcom.ac_multicnt); 142 acmc(arpcom.ac_multiaddrs); 143 printf("\n"); 144 } 145 146 ifp = ifnet.if_next; 147 #endif /* __FreeBSD__ >= 3 */ 148 #else 149 if6_addrlist(ifnet.if_addrlist.tqh_first); 150 151 KREAD(ifnet.if_sadl, &sdl, struct sockaddr_dl); 152 if (sdl.sdl_type == IFT_ETHER) { 153 printf("\tenaddr %s", 154 ether_ntoa((struct ether_addr *)LLADDR(&sdl))); 155 KREAD(ifp, &ec, struct ethercom); 156 printf(" multicnt %d", ec.ec_multicnt); 157 acmc(ec.ec_multiaddrs.lh_first); 158 printf("\n"); 159 } 160 161 ifp = ifnet.if_list.tqe_next; 162 #endif 163 } 164 165 exit(0); 166 /*NOTREACHED*/ 167 } 168 169 char *ifname(ifp) 170 struct ifnet *ifp; 171 { 172 static char buf[BUFSIZ]; 173 174 #ifndef __NetBSD__ 175 KREAD(ifp->if_name, buf, IFNAMSIZ); 176 #else 177 KREAD(ifp->if_xname, buf, IFNAMSIZ); 178 #endif 179 return buf; 180 } 181 182 void kread(addr, buf, len) 183 u_long addr; 184 void *buf; 185 int len; 186 { 187 if (kvm_read(kvmd, addr, buf, len) != len) { 188 perror("kvm_read"); 189 exit(1); 190 } 191 } 192 193 #ifndef __NetBSD__ 194 int havearpcom(p) 195 char *p; 196 { 197 if (strncmp(p, "ne", 2) == 0) return 1; 198 if (strncmp(p, "eo", 2) == 0) return 1; 199 if (strncmp(p, "ep", 2) == 0) return 1; 200 if (strncmp(p, "tn", 2) == 0) return 1; 201 if (strncmp(p, "de", 2) == 0) return 1; 202 if (strncmp(p, "hpp", 3) == 0) return 1; 203 if (strncmp(p, "re", 2) == 0) return 1; 204 if (strncmp(p, "ef", 2) == 0) return 1; 205 if (strncmp(p, "di", 2) == 0) return 1; 206 if (strncmp(p, "we", 2) == 0) return 1; 207 if (strncmp(p, "el", 2) == 0) return 1; 208 if (strncmp(p, "ex", 2) == 0) return 1; 209 if (strncmp(p, "pe", 2) == 0) return 1; 210 if (strncmp(p, "xir", 3) == 0) return 1; 211 if (strncmp(p, "fxp", 2) == 0) return 1; 212 if (strncmp(p, "fe", 2) == 0) return 1; 213 if (strncmp(p, "cnw", 2) == 0) return 1; 214 /* if (strncmp(p, "tr", 2) == 0) return 1; ??? */ 215 /* if (strncmp(p, "fea", 3) == 0) return 1; ??? */ 216 /* if (strncmp(p, "fpa", 3) == 0) return 1; ??? */ 217 /* if (strncmp(p, "te", 2) == 0) return 1; ??? */ 218 return 0; 219 } 220 #endif 221 222 #if !defined(__FreeBSD__) || __FreeBSD__ < 3 223 void acmc(am) 224 struct ether_multi *am; 225 { 226 struct ether_multi em; 227 228 while (am) { 229 KREAD(am, &em, struct ether_multi); 230 231 printf("\n\t\t"); 232 #ifndef __NetBSD__ 233 printf("%02x:%02x:%02x:%02x:%02x:%02x--", 234 em.enm_addrlo[0], em.enm_addrlo[1], 235 em.enm_addrlo[2], em.enm_addrlo[3], 236 em.enm_addrlo[4], em.enm_addrlo[5]); 237 printf("%02x:%02x:%02x:%02x:%02x:%02x", 238 em.enm_addrhi[0], em.enm_addrhi[1], 239 em.enm_addrhi[2], em.enm_addrhi[3], 240 em.enm_addrhi[4], em.enm_addrhi[5]); 241 printf(" %d", em.enm_refcount); 242 am = em.enm_next; 243 #else 244 printf("%s -- ", ether_ntoa((struct ether_addr *)&em.enm_addrlo)); 245 printf("%s ", ether_ntoa((struct ether_addr *)&em.enm_addrhi)); 246 printf("%d", em.enm_refcount); 247 am = em.enm_list.le_next; 248 #endif 249 } 250 } 251 #endif /* __FreeBSD__ < 3 */ 252 253 void 254 if6_addrlist(ifap) 255 struct ifaddr *ifap; 256 { 257 static char in6buf[BUFSIZ]; 258 struct ifaddr ifa; 259 struct sockaddr sa; 260 struct in6_ifaddr if6a; 261 struct in6_multi *mc = 0; 262 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 263 struct ifaddr *ifap0; 264 #endif /* __FreeBSD__ >= 3 */ 265 266 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 267 ifap0 = ifap; 268 #endif /* __FreeBSD__ >= 3 */ 269 while (ifap) { 270 KREAD(ifap, &ifa, struct ifaddr); 271 if (ifa.ifa_addr == NULL) 272 goto nextifap; 273 KREAD(ifa.ifa_addr, &sa, struct sockaddr); 274 if (sa.sa_family != PF_INET6) 275 goto nextifap; 276 KREAD(ifap, &if6a, struct in6_ifaddr); 277 printf("\tinet6 %s\n", 278 inet_ntop(AF_INET6, 279 (const void *)&if6a.ia_addr.sin6_addr, 280 in6buf, sizeof(in6buf))); 281 #if !defined(__FreeBSD__) || __FreeBSD__ < 3 282 mc = mc ? mc : if6a.ia6_multiaddrs.lh_first; 283 #endif /* !__FreeBSD__ || __FreeBSD__ < 3 */ 284 nextifap: 285 #ifndef __NetBSD__ 286 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 287 ifap = ifa.ifa_link.tqe_next; 288 #else 289 ifap = ifa.ifa_next; 290 #endif /* __FreeBSD__ >= 3 */ 291 #else 292 ifap = ifa.ifa_list.tqe_next; 293 #endif 294 } 295 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 296 if (ifap0) { 297 struct ifnet ifnet; 298 struct ifmultiaddr ifm, *ifmp = 0; 299 struct sockaddr_in6 sin6; 300 struct in6_multi in6m; 301 struct sockaddr_dl sdl; 302 int in6_multilist_done = 0; 303 304 KREAD(ifap0, &ifa, struct ifaddr); 305 KREAD(ifa.ifa_ifp, &ifnet, struct ifnet); 306 if (ifnet.if_multiaddrs.lh_first) 307 ifmp = ifnet.if_multiaddrs.lh_first; 308 while (ifmp) { 309 KREAD(ifmp, &ifm, struct ifmultiaddr); 310 if (ifm.ifma_addr == NULL) 311 goto nextmulti; 312 KREAD(ifm.ifma_addr, &sa, struct sockaddr); 313 if (sa.sa_family != AF_INET6) 314 goto nextmulti; 315 (void)in6_multientry((struct in6_multi *) 316 ifm.ifma_protospec); 317 if (ifm.ifma_lladdr == 0) 318 goto nextmulti; 319 KREAD(ifm.ifma_lladdr, &sdl, struct sockaddr_dl); 320 printf("\t\t\tmcast-macaddr %s multicnt %d\n", 321 ether_ntoa((struct ether_addr *)LLADDR(&sdl)), 322 ifm.ifma_refcount); 323 nextmulti: 324 ifmp = ifm.ifma_link.le_next; 325 } 326 } 327 #else 328 if (mc) 329 in6_multilist(mc); 330 #endif /* !__FreeBSD__ || __FreeBSD__ < 3 */ 331 } 332 333 struct in6_multi * 334 in6_multientry(mc) 335 struct in6_multi *mc; 336 { 337 static char mcbuf[BUFSIZ]; 338 struct in6_multi multi; 339 340 KREAD(mc, &multi, struct in6_multi); 341 printf("\t\tgroup %s\n", inet_ntop(AF_INET6, 342 (const void *)&multi.in6m_addr, 343 mcbuf, sizeof(mcbuf))); 344 return(multi.in6m_entry.le_next); 345 } 346 347 void 348 in6_multilist(mc) 349 struct in6_multi *mc; 350 { 351 while (mc) 352 mc = in6_multientry(mc); 353 } 354
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