ifmcstat.c revision 1.1
1 /* 2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 16 * 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 27 * SUCH DAMAGE. 28 */ 29 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <fcntl.h> 33 #include <kvm.h> 34 #include <nlist.h> 35 #include <string.h> 36 37 #include <sys/types.h> 38 #include <sys/socket.h> 39 #include <net/if.h> 40 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 41 #include <net/if_var.h> 42 #include <net/if_dl.h> 43 #endif /* __FreeBSD__ >= 3 */ 44 #include <netinet/in.h> 45 #ifndef __NetBSD__ 46 #ifdef __FreeBSD__ 47 #define KERNEL 48 #endif 49 #include <netinet/if_ether.h> 50 #ifdef __FreeBSD__ 51 #undef KERNEL 52 #endif 53 #else /* __NetBSD__ */ 54 #include <net/if_ether.h> 55 #include <net/if_dl.h> 56 #include <net/if_types.h> 57 #endif /* __NetBSD__ */ 58 #include <netinet/in_var.h> 59 #include <arpa/inet.h> 60 61 kvm_t *kvmd; 62 63 struct nlist nl[] = { 64 #define N_IFNET 0 65 { "_ifnet" }, 66 { "" }, 67 }; 68 69 const char *inet6_n2a __P((struct in6_addr *)); 70 int main __P((void)); 71 char *ifname __P((struct ifnet *)); 72 #ifndef __NetBSD__ 73 int havearpcom __P((char *)); 74 #endif /* __NetBSD__ */ 75 void kread __P((u_long, void *, int)); 76 #if !defined(__FreeBSD__) || __FreeBSD__ < 3 77 void acmc __P((struct ether_multi *)); 78 #else 79 void ifmamc __P((struct ifmultiaddr *ifma_p)); 80 #endif /* __FreeBSD__ < 3 */ 81 void if6_addrlist __P((struct ifaddr *)); 82 void in6_multilist __P((struct in6_multi *)); 83 struct in6_multi * in6_multientry __P((struct in6_multi *)); 84 85 #define KREAD(addr, buf, type) \ 86 kread((u_long)addr, (void *)buf, sizeof(type)) 87 88 const char *inet6_n2a(p) 89 struct in6_addr *p; 90 { 91 static char buf[BUFSIZ]; 92 93 if (IN6_IS_ADDR_ANY(p)) 94 return "*"; 95 return inet_ntop(AF_INET6, (void *)p, buf, sizeof(buf)); 96 } 97 98 int main() 99 { 100 char buf[BUFSIZ], ifname[IFNAMSIZ]; 101 struct ifnet *ifp, ifnet; 102 #ifndef __NetBSD__ 103 struct arpcom arpcom; 104 #else 105 struct ethercom ec; 106 struct sockaddr_dl sdl; 107 #endif 108 109 if ((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, buf)) == NULL) { 110 perror("kvm_openfiles"); 111 exit(1); 112 } 113 if (kvm_nlist(kvmd, nl) < 0) { 114 perror("kvm_nlist"); 115 exit(1); 116 } 117 if (nl[N_IFNET].n_value == 0) { 118 printf("symbol %s not found\n", nl[N_IFNET].n_name); 119 exit(1); 120 } 121 KREAD(nl[N_IFNET].n_value, &ifp, struct ifnet *); 122 while (ifp) { 123 KREAD(ifp, &ifnet, struct ifnet); 124 printf("%s:\n", if_indextoname(ifnet.if_index, ifname)); 125 126 #ifndef __NetBSD__ 127 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 128 if6_addrlist(TAILQ_FIRST(&ifnet.if_addrhead)); 129 ifp = ifnet.if_link.tqe_next; 130 #else /* __FreeBSD__ >= 3 */ 131 if6_addrlist(ifnet.if_addrlist); 132 133 if (havearpcom(ifname)) { 134 KREAD(ifp, &arpcom, struct arpcom); 135 printf("\tenaddr %02x:%02x:%02x:%02x:%02x:%02x", 136 arpcom.ac_enaddr[0], arpcom.ac_enaddr[1], 137 arpcom.ac_enaddr[2], arpcom.ac_enaddr[3], 138 arpcom.ac_enaddr[4], arpcom.ac_enaddr[5]); 139 printf(" multicnt %d", arpcom.ac_multicnt); 140 acmc(arpcom.ac_multiaddrs); 141 printf("\n"); 142 } 143 144 ifp = ifnet.if_next; 145 #endif /* __FreeBSD__ >= 3 */ 146 #else 147 if6_addrlist(ifnet.if_addrlist.tqh_first); 148 149 KREAD(ifnet.if_sadl, &sdl, struct sockaddr_dl); 150 if (sdl.sdl_type == IFT_ETHER) { 151 printf("\tenaddr %s", 152 ether_ntoa((struct ether_addr *)LLADDR(&sdl))); 153 KREAD(ifp, &ec, struct ethercom); 154 printf(" multicnt %d", ec.ec_multicnt); 155 acmc(ec.ec_multiaddrs.lh_first); 156 printf("\n"); 157 } 158 159 ifp = ifnet.if_list.tqe_next; 160 #endif 161 } 162 163 exit(0); 164 /*NOTREACHED*/ 165 } 166 167 char *ifname(ifp) 168 struct ifnet *ifp; 169 { 170 static char buf[BUFSIZ]; 171 172 #ifndef __NetBSD__ 173 KREAD(ifp->if_name, buf, IFNAMSIZ); 174 #else 175 KREAD(ifp->if_xname, buf, IFNAMSIZ); 176 #endif 177 return buf; 178 } 179 180 void kread(addr, buf, len) 181 u_long addr; 182 void *buf; 183 int len; 184 { 185 if (kvm_read(kvmd, addr, buf, len) != len) { 186 perror("kvm_read"); 187 exit(1); 188 } 189 } 190 191 #ifndef __NetBSD__ 192 int havearpcom(p) 193 char *p; 194 { 195 if (strncmp(p, "ne", 2) == 0) return 1; 196 if (strncmp(p, "eo", 2) == 0) return 1; 197 if (strncmp(p, "ep", 2) == 0) return 1; 198 if (strncmp(p, "tn", 2) == 0) return 1; 199 if (strncmp(p, "de", 2) == 0) return 1; 200 if (strncmp(p, "hpp", 3) == 0) return 1; 201 if (strncmp(p, "re", 2) == 0) return 1; 202 if (strncmp(p, "ef", 2) == 0) return 1; 203 if (strncmp(p, "di", 2) == 0) return 1; 204 if (strncmp(p, "we", 2) == 0) return 1; 205 if (strncmp(p, "el", 2) == 0) return 1; 206 if (strncmp(p, "ex", 2) == 0) return 1; 207 if (strncmp(p, "pe", 2) == 0) return 1; 208 if (strncmp(p, "xir", 3) == 0) return 1; 209 if (strncmp(p, "fxp", 2) == 0) return 1; 210 if (strncmp(p, "fe", 2) == 0) return 1; 211 if (strncmp(p, "cnw", 2) == 0) return 1; 212 /* if (strncmp(p, "tr", 2) == 0) return 1; ??? */ 213 /* if (strncmp(p, "fea", 3) == 0) return 1; ??? */ 214 /* if (strncmp(p, "fpa", 3) == 0) return 1; ??? */ 215 /* if (strncmp(p, "te", 2) == 0) return 1; ??? */ 216 return 0; 217 } 218 #endif 219 220 #if !defined(__FreeBSD__) || __FreeBSD__ < 3 221 void acmc(am) 222 struct ether_multi *am; 223 { 224 struct ether_multi em; 225 226 while (am) { 227 KREAD(am, &em, struct ether_multi); 228 229 printf("\n\t\t"); 230 #ifndef __NetBSD__ 231 printf("%02x:%02x:%02x:%02x:%02x:%02x--", 232 em.enm_addrlo[0], em.enm_addrlo[1], 233 em.enm_addrlo[2], em.enm_addrlo[3], 234 em.enm_addrlo[4], em.enm_addrlo[5]); 235 printf("%02x:%02x:%02x:%02x:%02x:%02x", 236 em.enm_addrhi[0], em.enm_addrhi[1], 237 em.enm_addrhi[2], em.enm_addrhi[3], 238 em.enm_addrhi[4], em.enm_addrhi[5]); 239 printf(" %d", em.enm_refcount); 240 am = em.enm_next; 241 #else 242 printf("%s -- ", ether_ntoa((struct ether_addr *)&em.enm_addrlo)); 243 printf("%s ", ether_ntoa((struct ether_addr *)&em.enm_addrhi)); 244 printf("%d", em.enm_refcount); 245 am = em.enm_list.le_next; 246 #endif 247 } 248 } 249 #endif /* __FreeBSD__ < 3 */ 250 251 void 252 if6_addrlist(ifap) 253 struct ifaddr *ifap; 254 { 255 static char in6buf[BUFSIZ]; 256 struct ifaddr ifa; 257 struct sockaddr sa; 258 struct in6_ifaddr if6a; 259 struct in6_multi *mc = 0; 260 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 261 struct ifaddr *ifap0; 262 #endif /* __FreeBSD__ >= 3 */ 263 264 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 265 ifap0 = ifap; 266 #endif /* __FreeBSD__ >= 3 */ 267 while (ifap) { 268 KREAD(ifap, &ifa, struct ifaddr); 269 if (ifa.ifa_addr == NULL) 270 goto nextifap; 271 KREAD(ifa.ifa_addr, &sa, struct sockaddr); 272 if (sa.sa_family != PF_INET6) 273 goto nextifap; 274 KREAD(ifap, &if6a, struct in6_ifaddr); 275 printf("\tinet6 %s\n", 276 inet_ntop(AF_INET6, 277 (const void *)&if6a.ia_addr.sin6_addr, 278 in6buf, sizeof(in6buf))); 279 #if !defined(__FreeBSD__) || __FreeBSD__ < 3 280 mc = mc ? mc : if6a.ia6_multiaddrs.lh_first; 281 #endif /* !__FreeBSD__ || __FreeBSD__ < 3 */ 282 nextifap: 283 #ifndef __NetBSD__ 284 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 285 ifap = ifa.ifa_link.tqe_next; 286 #else 287 ifap = ifa.ifa_next; 288 #endif /* __FreeBSD__ >= 3 */ 289 #else 290 ifap = ifa.ifa_list.tqe_next; 291 #endif 292 } 293 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 294 if (ifap0) { 295 struct ifnet ifnet; 296 struct ifmultiaddr ifm, *ifmp = 0; 297 struct sockaddr_in6 sin6; 298 struct in6_multi in6m; 299 struct sockaddr_dl sdl; 300 int in6_multilist_done = 0; 301 302 KREAD(ifap0, &ifa, struct ifaddr); 303 KREAD(ifa.ifa_ifp, &ifnet, struct ifnet); 304 if (ifnet.if_multiaddrs.lh_first) 305 ifmp = ifnet.if_multiaddrs.lh_first; 306 while (ifmp) { 307 KREAD(ifmp, &ifm, struct ifmultiaddr); 308 if (ifm.ifma_addr == NULL) 309 goto nextmulti; 310 KREAD(ifm.ifma_addr, &sa, struct sockaddr); 311 if (sa.sa_family != AF_INET6) 312 goto nextmulti; 313 (void)in6_multientry((struct in6_multi *) 314 ifm.ifma_protospec); 315 if (ifm.ifma_lladdr == 0) 316 goto nextmulti; 317 KREAD(ifm.ifma_lladdr, &sdl, struct sockaddr_dl); 318 printf("\t\t\tmcast-macaddr %s multicnt %d\n", 319 ether_ntoa((struct ether_addr *)LLADDR(&sdl)), 320 ifm.ifma_refcount); 321 nextmulti: 322 ifmp = ifm.ifma_link.le_next; 323 } 324 } 325 #else 326 if (mc) 327 in6_multilist(mc); 328 #endif /* !__FreeBSD__ || __FreeBSD__ < 3 */ 329 } 330 331 struct in6_multi * 332 in6_multientry(mc) 333 struct in6_multi *mc; 334 { 335 static char mcbuf[BUFSIZ]; 336 struct in6_multi multi; 337 338 KREAD(mc, &multi, struct in6_multi); 339 printf("\t\tgroup %s\n", inet_ntop(AF_INET6, 340 (const void *)&multi.in6m_addr, 341 mcbuf, sizeof(mcbuf))); 342 return(multi.in6m_entry.le_next); 343 } 344 345 void 346 in6_multilist(mc) 347 struct in6_multi *mc; 348 { 349 while (mc) 350 mc = in6_multientry(mc); 351 } 352
Indexes created Wed Sep 24 05:09:52 GMT 2025