ifmcstat.c revision 1.3
1 /* $NetBSD: ifmcstat.c,v 1.3 1999/07/07 00:28:29 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 #include <net/if_dl.h> 46 #endif /* __FreeBSD__ >= 3 */ 47 #include <netinet/in.h> 48 #ifndef __NetBSD__ 49 #ifdef __FreeBSD__ 50 #define KERNEL 51 #endif 52 #include <netinet/if_ether.h> 53 #ifdef __FreeBSD__ 54 #undef KERNEL 55 #endif 56 #else /* __NetBSD__ */ 57 #include <net/if_ether.h> 58 #include <net/if_dl.h> 59 #include <net/if_types.h> 60 #endif /* __NetBSD__ */ 61 #include <netinet/in_var.h> 62 #include <arpa/inet.h> 63 64 kvm_t *kvmd; 65 66 struct nlist nl[] = { 67 #define N_IFNET 0 68 { "_ifnet" }, 69 { "" }, 70 }; 71 72 const char *inet6_n2a __P((struct in6_addr *)); 73 int main __P((void)); 74 char *ifname __P((struct ifnet *)); 75 #ifndef __NetBSD__ 76 int havearpcom __P((char *)); 77 #endif /* __NetBSD__ */ 78 void kread __P((u_long, void *, int)); 79 #if !defined(__FreeBSD__) || __FreeBSD__ < 3 80 void acmc __P((struct ether_multi *)); 81 #else 82 void ifmamc __P((struct ifmultiaddr *ifma_p)); 83 #endif /* __FreeBSD__ < 3 */ 84 void if6_addrlist __P((struct ifaddr *)); 85 void in6_multilist __P((struct in6_multi *)); 86 struct in6_multi * in6_multientry __P((struct in6_multi *)); 87 88 #define KREAD(addr, buf, type) \ 89 kread((u_long)addr, (void *)buf, sizeof(type)) 90 91 const char *inet6_n2a(p) 92 struct in6_addr *p; 93 { 94 static char buf[BUFSIZ]; 95 96 if (IN6_IS_ADDR_ANY(p)) 97 return "*"; 98 return inet_ntop(AF_INET6, (void *)p, buf, sizeof(buf)); 99 } 100 101 int main() 102 { 103 char buf[_POSIX2_LINE_MAX], ifname[IFNAMSIZ]; 104 struct ifnet *ifp, ifnet; 105 #ifndef __NetBSD__ 106 struct arpcom arpcom; 107 #else 108 struct ethercom ec; 109 struct sockaddr_dl sdl; 110 #endif 111 112 if ((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, buf)) == NULL) { 113 perror("kvm_openfiles"); 114 exit(1); 115 } 116 if (kvm_nlist(kvmd, nl) < 0) { 117 perror("kvm_nlist"); 118 exit(1); 119 } 120 if (nl[N_IFNET].n_value == 0) { 121 printf("symbol %s not found\n", nl[N_IFNET].n_name); 122 exit(1); 123 } 124 KREAD(nl[N_IFNET].n_value, &ifp, struct ifnet *); 125 while (ifp) { 126 KREAD(ifp, &ifnet, struct ifnet); 127 printf("%s:\n", if_indextoname(ifnet.if_index, ifname)); 128 129 #ifndef __NetBSD__ 130 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 131 if6_addrlist(TAILQ_FIRST(&ifnet.if_addrhead)); 132 ifp = ifnet.if_link.tqe_next; 133 #else /* __FreeBSD__ >= 3 */ 134 if6_addrlist(ifnet.if_addrlist); 135 136 if (havearpcom(ifname)) { 137 KREAD(ifp, &arpcom, struct arpcom); 138 printf("\tenaddr %02x:%02x:%02x:%02x:%02x:%02x", 139 arpcom.ac_enaddr[0], arpcom.ac_enaddr[1], 140 arpcom.ac_enaddr[2], arpcom.ac_enaddr[3], 141 arpcom.ac_enaddr[4], arpcom.ac_enaddr[5]); 142 printf(" multicnt %d", arpcom.ac_multicnt); 143 acmc(arpcom.ac_multiaddrs); 144 printf("\n"); 145 } 146 147 ifp = ifnet.if_next; 148 #endif /* __FreeBSD__ >= 3 */ 149 #else 150 if6_addrlist(ifnet.if_addrlist.tqh_first); 151 152 KREAD(ifnet.if_sadl, &sdl, struct sockaddr_dl); 153 if (sdl.sdl_type == IFT_ETHER) { 154 printf("\tenaddr %s", 155 ether_ntoa((struct ether_addr *)LLADDR(&sdl))); 156 KREAD(ifp, &ec, struct ethercom); 157 printf(" multicnt %d", ec.ec_multicnt); 158 acmc(ec.ec_multiaddrs.lh_first); 159 printf("\n"); 160 } 161 162 ifp = ifnet.if_list.tqe_next; 163 #endif 164 } 165 166 exit(0); 167 /*NOTREACHED*/ 168 } 169 170 char *ifname(ifp) 171 struct ifnet *ifp; 172 { 173 static char buf[BUFSIZ]; 174 175 #ifndef __NetBSD__ 176 KREAD(ifp->if_name, buf, IFNAMSIZ); 177 #else 178 KREAD(ifp->if_xname, buf, IFNAMSIZ); 179 #endif 180 return buf; 181 } 182 183 void kread(addr, buf, len) 184 u_long addr; 185 void *buf; 186 int len; 187 { 188 if (kvm_read(kvmd, addr, buf, len) != len) { 189 perror("kvm_read"); 190 exit(1); 191 } 192 } 193 194 #ifndef __NetBSD__ 195 int havearpcom(p) 196 char *p; 197 { 198 if (strncmp(p, "ne", 2) == 0) return 1; 199 if (strncmp(p, "eo", 2) == 0) return 1; 200 if (strncmp(p, "ep", 2) == 0) return 1; 201 if (strncmp(p, "tn", 2) == 0) return 1; 202 if (strncmp(p, "de", 2) == 0) return 1; 203 if (strncmp(p, "hpp", 3) == 0) return 1; 204 if (strncmp(p, "re", 2) == 0) return 1; 205 if (strncmp(p, "ef", 2) == 0) return 1; 206 if (strncmp(p, "di", 2) == 0) return 1; 207 if (strncmp(p, "we", 2) == 0) return 1; 208 if (strncmp(p, "el", 2) == 0) return 1; 209 if (strncmp(p, "ex", 2) == 0) return 1; 210 if (strncmp(p, "pe", 2) == 0) return 1; 211 if (strncmp(p, "xir", 3) == 0) return 1; 212 if (strncmp(p, "fxp", 2) == 0) return 1; 213 if (strncmp(p, "fe", 2) == 0) return 1; 214 if (strncmp(p, "cnw", 2) == 0) return 1; 215 /* if (strncmp(p, "tr", 2) == 0) return 1; ??? */ 216 /* if (strncmp(p, "fea", 3) == 0) return 1; ??? */ 217 /* if (strncmp(p, "fpa", 3) == 0) return 1; ??? */ 218 /* if (strncmp(p, "te", 2) == 0) return 1; ??? */ 219 return 0; 220 } 221 #endif 222 223 #if !defined(__FreeBSD__) || __FreeBSD__ < 3 224 void acmc(am) 225 struct ether_multi *am; 226 { 227 struct ether_multi em; 228 229 while (am) { 230 KREAD(am, &em, struct ether_multi); 231 232 printf("\n\t\t"); 233 #ifndef __NetBSD__ 234 printf("%02x:%02x:%02x:%02x:%02x:%02x--", 235 em.enm_addrlo[0], em.enm_addrlo[1], 236 em.enm_addrlo[2], em.enm_addrlo[3], 237 em.enm_addrlo[4], em.enm_addrlo[5]); 238 printf("%02x:%02x:%02x:%02x:%02x:%02x", 239 em.enm_addrhi[0], em.enm_addrhi[1], 240 em.enm_addrhi[2], em.enm_addrhi[3], 241 em.enm_addrhi[4], em.enm_addrhi[5]); 242 printf(" %d", em.enm_refcount); 243 am = em.enm_next; 244 #else 245 printf("%s -- ", ether_ntoa((struct ether_addr *)&em.enm_addrlo)); 246 printf("%s ", ether_ntoa((struct ether_addr *)&em.enm_addrhi)); 247 printf("%d", em.enm_refcount); 248 am = em.enm_list.le_next; 249 #endif 250 } 251 } 252 #endif /* __FreeBSD__ < 3 */ 253 254 void 255 if6_addrlist(ifap) 256 struct ifaddr *ifap; 257 { 258 static char in6buf[BUFSIZ]; 259 struct ifaddr ifa; 260 struct sockaddr sa; 261 struct in6_ifaddr if6a; 262 struct in6_multi *mc = 0; 263 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 264 struct ifaddr *ifap0; 265 #endif /* __FreeBSD__ >= 3 */ 266 267 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 268 ifap0 = ifap; 269 #endif /* __FreeBSD__ >= 3 */ 270 while (ifap) { 271 KREAD(ifap, &ifa, struct ifaddr); 272 if (ifa.ifa_addr == NULL) 273 goto nextifap; 274 KREAD(ifa.ifa_addr, &sa, struct sockaddr); 275 if (sa.sa_family != PF_INET6) 276 goto nextifap; 277 KREAD(ifap, &if6a, struct in6_ifaddr); 278 printf("\tinet6 %s\n", 279 inet_ntop(AF_INET6, 280 (const void *)&if6a.ia_addr.sin6_addr, 281 in6buf, sizeof(in6buf))); 282 #if !defined(__FreeBSD__) || __FreeBSD__ < 3 283 mc = mc ? mc : if6a.ia6_multiaddrs.lh_first; 284 #endif /* !__FreeBSD__ || __FreeBSD__ < 3 */ 285 nextifap: 286 #ifndef __NetBSD__ 287 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 288 ifap = ifa.ifa_link.tqe_next; 289 #else 290 ifap = ifa.ifa_next; 291 #endif /* __FreeBSD__ >= 3 */ 292 #else 293 ifap = ifa.ifa_list.tqe_next; 294 #endif 295 } 296 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 297 if (ifap0) { 298 struct ifnet ifnet; 299 struct ifmultiaddr ifm, *ifmp = 0; 300 struct sockaddr_in6 sin6; 301 struct in6_multi in6m; 302 struct sockaddr_dl sdl; 303 int in6_multilist_done = 0; 304 305 KREAD(ifap0, &ifa, struct ifaddr); 306 KREAD(ifa.ifa_ifp, &ifnet, struct ifnet); 307 if (ifnet.if_multiaddrs.lh_first) 308 ifmp = ifnet.if_multiaddrs.lh_first; 309 while (ifmp) { 310 KREAD(ifmp, &ifm, struct ifmultiaddr); 311 if (ifm.ifma_addr == NULL) 312 goto nextmulti; 313 KREAD(ifm.ifma_addr, &sa, struct sockaddr); 314 if (sa.sa_family != AF_INET6) 315 goto nextmulti; 316 (void)in6_multientry((struct in6_multi *) 317 ifm.ifma_protospec); 318 if (ifm.ifma_lladdr == 0) 319 goto nextmulti; 320 KREAD(ifm.ifma_lladdr, &sdl, struct sockaddr_dl); 321 printf("\t\t\tmcast-macaddr %s multicnt %d\n", 322 ether_ntoa((struct ether_addr *)LLADDR(&sdl)), 323 ifm.ifma_refcount); 324 nextmulti: 325 ifmp = ifm.ifma_link.le_next; 326 } 327 } 328 #else 329 if (mc) 330 in6_multilist(mc); 331 #endif /* !__FreeBSD__ || __FreeBSD__ < 3 */ 332 } 333 334 struct in6_multi * 335 in6_multientry(mc) 336 struct in6_multi *mc; 337 { 338 static char mcbuf[BUFSIZ]; 339 struct in6_multi multi; 340 341 KREAD(mc, &multi, struct in6_multi); 342 printf("\t\tgroup %s\n", inet_ntop(AF_INET6, 343 (const void *)&multi.in6m_addr, 344 mcbuf, sizeof(mcbuf))); 345 return(multi.in6m_entry.le_next); 346 } 347 348 void 349 in6_multilist(mc) 350 struct in6_multi *mc; 351 { 352 while (mc) 353 mc = in6_multientry(mc); 354 } 355
Indexes created Wed Sep 24 14:09:57 GMT 2025