ifmcstat.c revision 230617
1167706Sbms/* $KAME: ifmcstat.c,v 1.48 2006/11/15 05:13:59 itojun Exp $ */ 2167706Sbms 355163Sshin/* 4188645Sbms * Copyright (c) 2007-2009 Bruce Simpson. 555163Sshin * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 655163Sshin * All rights reserved. 762785Sume * 855163Sshin * Redistribution and use in source and binary forms, with or without 955163Sshin * modification, are permitted provided that the following conditions 1055163Sshin * are met: 1155163Sshin * 1. Redistributions of source code must retain the above copyright 1255163Sshin * notice, this list of conditions and the following disclaimer. 1355163Sshin * 2. Redistributions in binary form must reproduce the above copyright 1455163Sshin * notice, this list of conditions and the following disclaimer in the 1555163Sshin * documentation and/or other materials provided with the distribution. 1655163Sshin * 3. Neither the name of the project nor the names of its contributors 1755163Sshin * may be used to endorse or promote products derived from this software 1855163Sshin * without specific prior written permission. 1962785Sume * 2055163Sshin * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 2155163Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2255163Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2355163Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 2455163Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2555163Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2655163Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2755163Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2855163Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2955163Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3055163Sshin * SUCH DAMAGE. 3155163Sshin */ 3255163Sshin 33167706Sbms#include <sys/cdefs.h> 34167706Sbms__FBSDID("$FreeBSD: head/usr.sbin/ifmcstat/ifmcstat.c 230617 2012-01-27 17:16:44Z maxim $"); 35167706Sbms 3655163Sshin#include <sys/types.h> 37167706Sbms#include <sys/param.h> 38189592Sbms#include <sys/sysctl.h> 3955163Sshin#include <sys/socket.h> 4078064Sume#include <sys/queue.h> 41189592Sbms#include <sys/tree.h> 4278064Sume 4355163Sshin#include <net/if.h> 44167712Sbms#include <net/if_var.h> 4555163Sshin#include <net/if_types.h> 4655163Sshin#include <net/if_dl.h> 47167706Sbms#include <net/route.h> 48167712Sbms 4955163Sshin#include <netinet/in.h> 50167712Sbms#include <netinet/in_var.h> 51167706Sbms#include <netinet/in_systm.h> 52167706Sbms#include <netinet/ip.h> 53167706Sbms#include <netinet/igmp.h> 54167712Sbms#define KERNEL 55167706Sbms# include <netinet/if_ether.h> 56167712Sbms#undef KERNEL 57167712Sbms#define _KERNEL 58189592Sbms#define SYSCTL_DECL(x) 59167712Sbms# include <netinet/igmp_var.h> 60189592Sbms#undef SYSCTL_DECL 61167712Sbms#undef _KERNEL 62167712Sbms 63167712Sbms#ifdef INET6 64167706Sbms#include <netinet/icmp6.h> 65167706Sbms#define _KERNEL 66167712Sbms# include <netinet6/mld6_var.h> 67167706Sbms#undef _KERNEL 68167712Sbms#endif /* INET6 */ 69167712Sbms 70168560Sbms#include <arpa/inet.h> 71168560Sbms#include <netdb.h> 72168560Sbms 73168560Sbms#include <stddef.h> 74168560Sbms#include <stdarg.h> 75168560Sbms#include <stdint.h> 76167712Sbms#include <stdio.h> 77167712Sbms#include <stdlib.h> 78168560Sbms#include <string.h> 79168560Sbms 80168560Sbms#include <ctype.h> 81168560Sbms#include <err.h> 82189592Sbms#include <errno.h> 83167712Sbms#include <fcntl.h> 84167712Sbms#include <kvm.h> 85168560Sbms#include <limits.h> 86168560Sbms#include <ifaddrs.h> 87167712Sbms#include <nlist.h> 88168560Sbms#include <sysexits.h> 89167712Sbms#include <unistd.h> 9062785Sume 91168560Sbms/* XXX: This file currently assumes INET and KVM support in the base system. */ 92168560Sbms#ifndef INET 93168560Sbms#define INET 94168560Sbms#endif 9555163Sshin 96189592Sbmsextern void printb(const char *, unsigned int, const char *); 97189592Sbms 98168560Sbmsunion sockunion { 99168560Sbms struct sockaddr_storage ss; 100168560Sbms struct sockaddr sa; 101168560Sbms struct sockaddr_dl sdl; 102168560Sbms#ifdef INET 103168560Sbms struct sockaddr_in sin; 104168560Sbms#endif 105168560Sbms#ifdef INET6 106168560Sbms struct sockaddr_in6 sin6; 107168560Sbms#endif 10855163Sshin}; 109168560Sbmstypedef union sockunion sockunion_t; 11055163Sshin 111168560Sbmsuint32_t ifindex = 0; 112168560Sbmsint af = AF_UNSPEC; 113189592Sbms#ifdef WITH_KVM 114189592Sbmsint Kflag = 0; 115189592Sbms#endif 116188645Sbmsint vflag = 0; 117168560Sbms 118168560Sbms#define sa_equal(a1, a2) \ 119168560Sbms (bcmp((a1), (a2), ((a1))->sa_len) == 0) 120168560Sbms 121168560Sbms#define sa_dl_equal(a1, a2) \ 122168560Sbms ((((struct sockaddr_dl *)(a1))->sdl_len == \ 123168560Sbms ((struct sockaddr_dl *)(a2))->sdl_len) && \ 124168560Sbms (bcmp(LLADDR((struct sockaddr_dl *)(a1)), \ 125168560Sbms LLADDR((struct sockaddr_dl *)(a2)), \ 126168560Sbms ((struct sockaddr_dl *)(a1))->sdl_alen) == 0)) 127168560Sbms 128168560Sbms/* 129168560Sbms * Most of the code in this utility is to support the use of KVM for 130168560Sbms * post-mortem debugging of the multicast code. 131168560Sbms */ 132168560Sbms#ifdef WITH_KVM 133168560Sbms 134168560Sbms#ifdef INET 135168560Sbmsstatic void if_addrlist(struct ifaddr *); 136168560Sbmsstatic struct in_multi * 137168560Sbms in_multientry(struct in_multi *); 138168560Sbms#endif /* INET */ 139168560Sbms 140168560Sbms#ifdef INET6 141168560Sbmsstatic void if6_addrlist(struct ifaddr *); 142168560Sbmsstatic struct in6_multi * 143168560Sbms in6_multientry(struct in6_multi *); 144168560Sbms#endif /* INET6 */ 14555163Sshin 146168560Sbmsstatic void kread(u_long, void *, int); 147188645Sbmsstatic void ll_addrlist(struct ifaddr *); 148188645Sbms 149168560Sbmsstatic int ifmcstat_kvm(const char *kernel, const char *core); 150168560Sbms 15155163Sshin#define KREAD(addr, buf, type) \ 15255163Sshin kread((u_long)addr, (void *)buf, sizeof(type)) 15355163Sshin 154168560Sbmskvm_t *kvmd; 155168560Sbmsstruct nlist nl[] = { 156168560Sbms { "_ifnet", 0, 0, 0, 0, }, 157168560Sbms { "", 0, 0, 0, 0, }, 158168560Sbms}; 159168560Sbms#define N_IFNET 0 16055163Sshin 161168560Sbms#endif /* WITH_KVM */ 16255163Sshin 163168560Sbmsstatic int ifmcstat_getifmaddrs(void); 164189592Sbms#ifdef INET 165189592Sbmsstatic void in_ifinfo(struct igmp_ifinfo *); 166189592Sbmsstatic const char * inm_mode(u_int mode); 167189592Sbms#endif 168188645Sbms#ifdef INET6 169191672Sbmsstatic void in6_ifinfo(struct mld_ifinfo *); 170188645Sbmsstatic const char * inet6_n2a(struct in6_addr *); 171188645Sbms#endif 172168560Sbmsint main(int, char **); 173168560Sbms 174188645Sbmsstatic void 175188645Sbmsusage() 176188645Sbms{ 177188645Sbms 178188645Sbms fprintf(stderr, 179188645Sbms "usage: ifmcstat [-i interface] [-f address family]" 180188645Sbms " [-v]" 181188645Sbms#ifdef WITH_KVM 182189592Sbms " [-K] [-M core] [-N system]" 183188645Sbms#endif 184188645Sbms "\n"); 185188645Sbms exit(EX_USAGE); 186188645Sbms} 187188645Sbms 188189592Sbmsstatic const char *options = "i:f:vM:N:" 189189592Sbms#ifdef WITH_KVM 190189592Sbms "K" 191189592Sbms#endif 192189592Sbms ; 193189592Sbms 194168560Sbmsint 195168560Sbmsmain(int argc, char **argv) 19655163Sshin{ 197168560Sbms int c, error; 198168560Sbms#ifdef WITH_KVM 199167706Sbms const char *kernel = NULL; 200167731Sbms const char *core = NULL; 201168560Sbms#endif 202167706Sbms 203189592Sbms while ((c = getopt(argc, argv, options)) != -1) { 204167706Sbms switch (c) { 205167706Sbms case 'i': 206167706Sbms if ((ifindex = if_nametoindex(optarg)) == 0) { 207168560Sbms fprintf(stderr, "%s: unknown interface\n", 208168560Sbms optarg); 209188647Sbms exit(EX_NOHOST); 210167706Sbms } 211167706Sbms break; 212168560Sbms 213167706Sbms case 'f': 214168560Sbms#ifdef INET 215167706Sbms if (strcmp(optarg, "inet") == 0) { 216167706Sbms af = AF_INET; 217167706Sbms break; 218167706Sbms } 219168560Sbms#endif 220168560Sbms#ifdef INET6 221167706Sbms if (strcmp(optarg, "inet6") == 0) { 222167706Sbms af = AF_INET6; 223167706Sbms break; 224167706Sbms } 225168560Sbms#endif 226188645Sbms if (strcmp(optarg, "link") == 0) { 227188645Sbms af = AF_LINK; 228188645Sbms break; 229188645Sbms } 230167706Sbms fprintf(stderr, "%s: unknown address family\n", optarg); 231188647Sbms exit(EX_USAGE); 232167706Sbms /*NOTREACHED*/ 233168560Sbms break; 234168560Sbms 235189592Sbms#ifdef WITH_KVM 236189592Sbms case 'K': 237189592Sbms ++Kflag; 238189592Sbms break; 239189592Sbms#endif 240189592Sbms 241188645Sbms case 'v': 242189592Sbms ++vflag; 243188645Sbms break; 244188645Sbms 245168560Sbms#ifdef WITH_KVM 246167731Sbms case 'M': 247167731Sbms core = strdup(optarg); 248167731Sbms break; 249168560Sbms 250167731Sbms case 'N': 251167706Sbms kernel = strdup(optarg); 252167706Sbms break; 253168560Sbms#endif 254168560Sbms 255167706Sbms default: 256188645Sbms usage(); 257168560Sbms break; 258167706Sbms /*NOTREACHED*/ 259167706Sbms } 260167706Sbms } 261167706Sbms 262188645Sbms if (af == AF_LINK && vflag) 263188645Sbms usage(); 264188645Sbms 265168560Sbms#ifdef WITH_KVM 266192923Sbms if (Kflag) 267189592Sbms error = ifmcstat_kvm(kernel, core); 268168560Sbms /* 269168560Sbms * If KVM failed, and user did not explicitly specify a core file, 270189592Sbms * or force KVM backend to be disabled, try the sysctl backend. 271168560Sbms */ 272192923Sbms if (!Kflag || (error != 0 && (core == NULL && kernel == NULL))) 273168560Sbms#endif 274168560Sbms error = ifmcstat_getifmaddrs(); 275168560Sbms if (error != 0) 276188647Sbms exit(EX_OSERR); 277168560Sbms 278188647Sbms exit(EX_OK); 279168560Sbms /*NOTREACHED*/ 280168560Sbms} 281168560Sbms 282189592Sbms#ifdef INET 283189592Sbms 284189592Sbmsstatic void 285189592Sbmsin_ifinfo(struct igmp_ifinfo *igi) 286189592Sbms{ 287189592Sbms 288189592Sbms printf("\t"); 289189592Sbms switch (igi->igi_version) { 290189592Sbms case IGMP_VERSION_1: 291189592Sbms case IGMP_VERSION_2: 292189592Sbms case IGMP_VERSION_3: 293189592Sbms printf("igmpv%d", igi->igi_version); 294189592Sbms break; 295189592Sbms default: 296189592Sbms printf("igmpv?(%d)", igi->igi_version); 297189592Sbms break; 298189592Sbms } 299189592Sbms printb(" flags", igi->igi_flags, "\020\1SILENT\2LOOPBACK"); 300189592Sbms if (igi->igi_version == IGMP_VERSION_3) { 301189592Sbms printf(" rv %u qi %u qri %u uri %u", 302189592Sbms igi->igi_rv, igi->igi_qi, igi->igi_qri, igi->igi_uri); 303189592Sbms } 304189592Sbms if (vflag >= 2) { 305189592Sbms printf(" v1timer %u v2timer %u v3timer %u", 306189592Sbms igi->igi_v1_timer, igi->igi_v2_timer, igi->igi_v3_timer); 307189592Sbms } 308189592Sbms printf("\n"); 309189592Sbms} 310189592Sbms 311189592Sbmsstatic const char *inm_modes[] = { 312189592Sbms "undefined", 313189592Sbms "include", 314189592Sbms "exclude", 315189592Sbms}; 316189592Sbms 317189592Sbmsstatic const char * 318189592Sbmsinm_mode(u_int mode) 319189592Sbms{ 320189592Sbms 321189592Sbms if (mode >= MCAST_UNDEFINED && mode <= MCAST_EXCLUDE) 322189592Sbms return (inm_modes[mode]); 323189592Sbms return (NULL); 324189592Sbms} 325189592Sbms 326189592Sbms#endif /* INET */ 327189592Sbms 328168560Sbms#ifdef WITH_KVM 329168560Sbms 330168560Sbmsstatic int 331168560Sbmsifmcstat_kvm(const char *kernel, const char *core) 332168560Sbms{ 333168560Sbms char buf[_POSIX2_LINE_MAX], ifname[IFNAMSIZ]; 334168560Sbms struct ifnet *ifp, *nifp, ifnet; 335168560Sbms 336167731Sbms if ((kvmd = kvm_openfiles(kernel, core, NULL, O_RDONLY, buf)) == 337167731Sbms NULL) { 33855163Sshin perror("kvm_openfiles"); 339168560Sbms return (-1); 34055163Sshin } 34155163Sshin if (kvm_nlist(kvmd, nl) < 0) { 34255163Sshin perror("kvm_nlist"); 343168560Sbms return (-1); 34455163Sshin } 34555163Sshin if (nl[N_IFNET].n_value == 0) { 34655163Sshin printf("symbol %s not found\n", nl[N_IFNET].n_name); 347168560Sbms return (-1); 34855163Sshin } 34955163Sshin KREAD(nl[N_IFNET].n_value, &ifp, struct ifnet *); 35055163Sshin while (ifp) { 35155163Sshin KREAD(ifp, &ifnet, struct ifnet); 352167706Sbms nifp = ifnet.if_link.tqe_next; 353167706Sbms if (ifindex && ifindex != ifnet.if_index) 354167706Sbms goto next; 355167706Sbms 35655163Sshin printf("%s:\n", if_indextoname(ifnet.if_index, ifname)); 357168560Sbms#ifdef INET 358167706Sbms if_addrlist(TAILQ_FIRST(&ifnet.if_addrhead)); 359168560Sbms#endif 360167712Sbms#ifdef INET6 36155163Sshin if6_addrlist(TAILQ_FIRST(&ifnet.if_addrhead)); 362167706Sbms#endif 363188645Sbms if (vflag) 364188645Sbms ll_addrlist(TAILQ_FIRST(&ifnet.if_addrhead)); 365188647Sbms next: 36662785Sume ifp = nifp; 36755163Sshin } 36855163Sshin 369168560Sbms return (0); 37055163Sshin} 37155163Sshin 372168560Sbmsstatic void 373168560Sbmskread(u_long addr, void *buf, int len) 37455163Sshin{ 37555163Sshin 37655163Sshin if (kvm_read(kvmd, addr, buf, len) != len) { 37755163Sshin perror("kvm_read"); 378188647Sbms exit(EX_OSERR); 37955163Sshin } 38055163Sshin} 38155163Sshin 382188645Sbmsstatic void 383188645Sbmsll_addrlist(struct ifaddr *ifap) 38455163Sshin{ 385188645Sbms char addrbuf[NI_MAXHOST]; 386188645Sbms struct ifaddr ifa; 387188645Sbms struct sockaddr sa; 388188645Sbms struct sockaddr_dl sdl; 389188645Sbms struct ifaddr *ifap0; 390188645Sbms int error; 391168560Sbms 392188645Sbms if (af && af != AF_LINK) 393188645Sbms return; 394188645Sbms 395188645Sbms ifap0 = ifap; 396188645Sbms while (ifap) { 397188645Sbms KREAD(ifap, &ifa, struct ifaddr); 398188645Sbms if (ifa.ifa_addr == NULL) 399188645Sbms goto nextifap; 400188645Sbms KREAD(ifa.ifa_addr, &sa, struct sockaddr); 401188645Sbms if (sa.sa_family != PF_LINK) 402188645Sbms goto nextifap; 403188645Sbms KREAD(ifa.ifa_addr, &sdl, struct sockaddr_dl); 404188645Sbms if (sdl.sdl_alen == 0) 405188645Sbms goto nextifap; 406188645Sbms addrbuf[0] = '\0'; 407188645Sbms error = getnameinfo((struct sockaddr *)&sdl, sdl.sdl_len, 408188645Sbms addrbuf, sizeof(addrbuf), NULL, 0, NI_NUMERICHOST); 409188645Sbms printf("\tlink %s\n", addrbuf); 410188645Sbms nextifap: 411188645Sbms ifap = ifa.ifa_link.tqe_next; 412188645Sbms } 413188645Sbms if (ifap0) { 414188645Sbms struct ifnet ifnet; 415188645Sbms struct ifmultiaddr ifm, *ifmp = 0; 416188645Sbms 417188645Sbms KREAD(ifap0, &ifa, struct ifaddr); 418188645Sbms KREAD(ifa.ifa_ifp, &ifnet, struct ifnet); 419188645Sbms if (TAILQ_FIRST(&ifnet.if_multiaddrs)) 420188645Sbms ifmp = TAILQ_FIRST(&ifnet.if_multiaddrs); 421188645Sbms while (ifmp) { 422188645Sbms KREAD(ifmp, &ifm, struct ifmultiaddr); 423188645Sbms if (ifm.ifma_addr == NULL) 424188645Sbms goto nextmulti; 425188645Sbms KREAD(ifm.ifma_addr, &sa, struct sockaddr); 426188645Sbms if (sa.sa_family != AF_LINK) 427188645Sbms goto nextmulti; 428188645Sbms KREAD(ifm.ifma_addr, &sdl, struct sockaddr_dl); 429188645Sbms addrbuf[0] = '\0'; 430188645Sbms error = getnameinfo((struct sockaddr *)&sdl, 431188645Sbms sdl.sdl_len, addrbuf, sizeof(addrbuf), 432188645Sbms NULL, 0, NI_NUMERICHOST); 433188645Sbms printf("\t\tgroup %s refcnt %d\n", 434188645Sbms addrbuf, ifm.ifma_refcount); 435188645Sbms nextmulti: 436188645Sbms ifmp = TAILQ_NEXT(&ifm, ifma_link); 437168560Sbms } 438168560Sbms } 439168560Sbms} 440168560Sbms 441188645Sbms#ifdef INET6 442188645Sbms 443168560Sbmsstatic void 444168560Sbmsif6_addrlist(struct ifaddr *ifap) 445168560Sbms{ 446191672Sbms struct ifnet ifnet; 44755163Sshin struct ifaddr ifa; 44862785Sume struct sockaddr sa; 44962785Sume struct in6_ifaddr if6a; 45055543Sshin struct ifaddr *ifap0; 45155163Sshin 452167706Sbms if (af && af != AF_INET6) 453167706Sbms return; 45455163Sshin ifap0 = ifap; 45562785Sume while (ifap) { 45655163Sshin KREAD(ifap, &ifa, struct ifaddr); 45755163Sshin if (ifa.ifa_addr == NULL) 45862785Sume goto nextifap; 45955163Sshin KREAD(ifa.ifa_addr, &sa, struct sockaddr); 46055163Sshin if (sa.sa_family != PF_INET6) 46162785Sume goto nextifap; 46255163Sshin KREAD(ifap, &if6a, struct in6_ifaddr); 46362785Sume printf("\tinet6 %s\n", inet6_n2a(&if6a.ia_addr.sin6_addr)); 464191672Sbms /* 465191672Sbms * Print per-link MLD information, if available. 466191672Sbms */ 467191672Sbms if (ifa.ifa_ifp != NULL) { 468191672Sbms struct in6_ifextra ie; 469191672Sbms struct mld_ifinfo mli; 470191672Sbms 471191672Sbms KREAD(ifa.ifa_ifp, &ifnet, struct ifnet); 472191672Sbms KREAD(ifnet.if_afdata[AF_INET6], &ie, 473191672Sbms struct in6_ifextra); 474191672Sbms if (ie.mld_ifinfo != NULL) { 475191672Sbms KREAD(ie.mld_ifinfo, &mli, struct mld_ifinfo); 476191672Sbms in6_ifinfo(&mli); 477191672Sbms } 478191672Sbms } 47962785Sume nextifap: 480167706Sbms ifap = ifa.ifa_link.tqe_next; 48162785Sume } 48262785Sume if (ifap0) { 48362785Sume struct ifnet ifnet; 48462785Sume struct ifmultiaddr ifm, *ifmp = 0; 48562785Sume struct sockaddr_dl sdl; 48655163Sshin 48762785Sume KREAD(ifap0, &ifa, struct ifaddr); 48862785Sume KREAD(ifa.ifa_ifp, &ifnet, struct ifnet); 48972084Sphk if (TAILQ_FIRST(&ifnet.if_multiaddrs)) 49072084Sphk ifmp = TAILQ_FIRST(&ifnet.if_multiaddrs); 49162785Sume while (ifmp) { 49262785Sume KREAD(ifmp, &ifm, struct ifmultiaddr); 49362785Sume if (ifm.ifma_addr == NULL) 49462785Sume goto nextmulti; 49562785Sume KREAD(ifm.ifma_addr, &sa, struct sockaddr); 49662785Sume if (sa.sa_family != AF_INET6) 49762785Sume goto nextmulti; 49862785Sume (void)in6_multientry((struct in6_multi *) 49962785Sume ifm.ifma_protospec); 50062785Sume if (ifm.ifma_lladdr == 0) 50162785Sume goto nextmulti; 50262785Sume KREAD(ifm.ifma_lladdr, &sdl, struct sockaddr_dl); 503168560Sbms printf("\t\t\tmcast-macaddr %s refcnt %d\n", 50462785Sume ether_ntoa((struct ether_addr *)LLADDR(&sdl)), 50562785Sume ifm.ifma_refcount); 50662785Sume nextmulti: 50772084Sphk ifmp = TAILQ_NEXT(&ifm, ifma_link); 50862785Sume } 50962785Sume } 51055163Sshin} 51155163Sshin 512168560Sbmsstatic struct in6_multi * 513168560Sbmsin6_multientry(struct in6_multi *mc) 51455163Sshin{ 51555163Sshin struct in6_multi multi; 51655163Sshin 51755163Sshin KREAD(mc, &multi, struct in6_multi); 51862785Sume printf("\t\tgroup %s", inet6_n2a(&multi.in6m_addr)); 51962785Sume printf(" refcnt %u\n", multi.in6m_refcount); 520167706Sbms 521188647Sbms return (multi.in6m_entry.le_next); 52255163Sshin} 52362785Sume 524167712Sbms#endif /* INET6 */ 525167712Sbms 526168560Sbms#ifdef INET 527168560Sbms 528168560Sbmsstatic void 529168560Sbmsif_addrlist(struct ifaddr *ifap) 530167706Sbms{ 531167706Sbms struct ifaddr ifa; 532189592Sbms struct ifnet ifnet; 533167706Sbms struct sockaddr sa; 534167706Sbms struct in_ifaddr ia; 535167706Sbms struct ifaddr *ifap0; 536167706Sbms 537167706Sbms if (af && af != AF_INET) 538167706Sbms return; 539167706Sbms ifap0 = ifap; 540167706Sbms while (ifap) { 541167706Sbms KREAD(ifap, &ifa, struct ifaddr); 542167706Sbms if (ifa.ifa_addr == NULL) 543167706Sbms goto nextifap; 544167706Sbms KREAD(ifa.ifa_addr, &sa, struct sockaddr); 545167706Sbms if (sa.sa_family != PF_INET) 546167706Sbms goto nextifap; 547167706Sbms KREAD(ifap, &ia, struct in_ifaddr); 548167706Sbms printf("\tinet %s\n", inet_ntoa(ia.ia_addr.sin_addr)); 549189592Sbms /* 550189592Sbms * Print per-link IGMP information, if available. 551189592Sbms */ 552189592Sbms if (ifa.ifa_ifp != NULL) { 553189592Sbms struct in_ifinfo ii; 554189592Sbms struct igmp_ifinfo igi; 555189592Sbms 556189592Sbms KREAD(ifa.ifa_ifp, &ifnet, struct ifnet); 557189592Sbms KREAD(ifnet.if_afdata[AF_INET], &ii, struct in_ifinfo); 558189592Sbms if (ii.ii_igmp != NULL) { 559189592Sbms KREAD(ii.ii_igmp, &igi, struct igmp_ifinfo); 560189592Sbms in_ifinfo(&igi); 561189592Sbms } 562189592Sbms } 563167706Sbms nextifap: 564167706Sbms ifap = ifa.ifa_link.tqe_next; 565167706Sbms } 566167706Sbms if (ifap0) { 567167706Sbms struct ifmultiaddr ifm, *ifmp = 0; 568167706Sbms struct sockaddr_dl sdl; 569167706Sbms 570167706Sbms KREAD(ifap0, &ifa, struct ifaddr); 571167706Sbms KREAD(ifa.ifa_ifp, &ifnet, struct ifnet); 572167706Sbms if (TAILQ_FIRST(&ifnet.if_multiaddrs)) 573167706Sbms ifmp = TAILQ_FIRST(&ifnet.if_multiaddrs); 574167706Sbms while (ifmp) { 575167706Sbms KREAD(ifmp, &ifm, struct ifmultiaddr); 576167706Sbms if (ifm.ifma_addr == NULL) 577167706Sbms goto nextmulti; 578167706Sbms KREAD(ifm.ifma_addr, &sa, struct sockaddr); 579167706Sbms if (sa.sa_family != AF_INET) 580167706Sbms goto nextmulti; 581167706Sbms (void)in_multientry((struct in_multi *) 582167706Sbms ifm.ifma_protospec); 583167706Sbms if (ifm.ifma_lladdr == 0) 584167706Sbms goto nextmulti; 585167706Sbms KREAD(ifm.ifma_lladdr, &sdl, struct sockaddr_dl); 586168560Sbms printf("\t\t\tmcast-macaddr %s refcnt %d\n", 587167706Sbms ether_ntoa((struct ether_addr *)LLADDR(&sdl)), 588167706Sbms ifm.ifma_refcount); 589167706Sbms nextmulti: 590167706Sbms ifmp = TAILQ_NEXT(&ifm, ifma_link); 591167706Sbms } 592167706Sbms } 593167706Sbms} 594167706Sbms 595189592Sbmsstatic const char *inm_states[] = { 596189592Sbms "not-member", 597189592Sbms "silent", 598189592Sbms "idle", 599189592Sbms "lazy", 600189592Sbms "sleeping", 601189592Sbms "awakening", 602189592Sbms "query-pending", 603189592Sbms "sg-query-pending", 604189592Sbms "leaving" 605189592Sbms}; 606189592Sbms 607189592Sbmsstatic const char * 608189592Sbmsinm_state(u_int state) 609167706Sbms{ 610167706Sbms 611189592Sbms if (state >= IGMP_NOT_MEMBER && state <= IGMP_LEAVING_MEMBER) 612189592Sbms return (inm_states[state]); 613189592Sbms return (NULL); 614189592Sbms} 615167706Sbms 616189592Sbms#if 0 617189592Sbmsstatic struct ip_msource * 618189592Sbmsims_min_kvm(struct in_multi *pinm) 619189592Sbms{ 620189592Sbms struct ip_msource ims0; 621189592Sbms struct ip_msource *tmp, *parent; 622167706Sbms 623189592Sbms parent = NULL; 624189592Sbms tmp = RB_ROOT(&pinm->inm_srcs); 625189592Sbms while (tmp) { 626189592Sbms parent = tmp; 627189592Sbms KREAD(tmp, &ims0, struct ip_msource); 628189592Sbms tmp = RB_LEFT(&ims0, ims_link); 629189592Sbms } 630189592Sbms return (parent); /* kva */ 631189592Sbms} 632189592Sbms 633189592Sbms/* XXX This routine is buggy. See RB_NEXT in sys/tree.h. */ 634189592Sbmsstatic struct ip_msource * 635189592Sbmsims_next_kvm(struct ip_msource *ims) 636189592Sbms{ 637189592Sbms struct ip_msource ims0, ims1; 638189592Sbms struct ip_msource *tmp; 639189592Sbms 640189592Sbms KREAD(ims, &ims0, struct ip_msource); 641189592Sbms if (RB_RIGHT(&ims0, ims_link)) { 642189592Sbms ims = RB_RIGHT(&ims0, ims_link); 643189592Sbms KREAD(ims, &ims1, struct ip_msource); 644189592Sbms while ((tmp = RB_LEFT(&ims1, ims_link))) { 645189592Sbms KREAD(tmp, &ims0, struct ip_msource); 646189592Sbms ims = RB_LEFT(&ims0, ims_link); 647167706Sbms } 648189592Sbms } else { 649189592Sbms tmp = RB_PARENT(&ims0, ims_link); 650189592Sbms if (tmp) { 651189592Sbms KREAD(tmp, &ims1, struct ip_msource); 652189592Sbms if (ims == RB_LEFT(&ims1, ims_link)) 653189592Sbms ims = tmp; 654189592Sbms } else { 655189592Sbms while ((tmp = RB_PARENT(&ims0, ims_link))) { 656189592Sbms KREAD(tmp, &ims1, struct ip_msource); 657189592Sbms if (ims == RB_RIGHT(&ims1, ims_link)) { 658189592Sbms ims = tmp; 659189592Sbms KREAD(ims, &ims0, struct ip_msource); 660189592Sbms } else 661189592Sbms break; 662189592Sbms } 663189592Sbms ims = RB_PARENT(&ims0, ims_link); 664189592Sbms } 665167706Sbms } 666189592Sbms return (ims); /* kva */ 667167706Sbms} 668167706Sbms 669168560Sbmsstatic void 670189592Sbmsinm_print_sources_kvm(struct in_multi *pinm) 671167706Sbms{ 672189592Sbms struct ip_msource ims0; 673189592Sbms struct ip_msource *ims; 674189592Sbms struct in_addr src; 675189592Sbms int cnt; 676189592Sbms uint8_t fmode; 677167706Sbms 678189592Sbms cnt = 0; 679189592Sbms fmode = pinm->inm_st[1].iss_fmode; 680189592Sbms if (fmode == MCAST_UNDEFINED) 681167706Sbms return; 682189592Sbms for (ims = ims_min_kvm(pinm); ims != NULL; ims = ims_next_kvm(ims)) { 683189592Sbms if (cnt == 0) 684189592Sbms printf(" srcs "); 685189592Sbms KREAD(ims, &ims0, struct ip_msource); 686189592Sbms /* Only print sources in-mode at t1. */ 687189592Sbms if (fmode != ims_get_mode(pinm, ims, 1)) 688189592Sbms continue; 689189592Sbms src.s_addr = htonl(ims0.ims_haddr); 690189592Sbms printf("%s%s", (cnt++ == 0 ? "" : ","), inet_ntoa(src)); 691167706Sbms } 692189592Sbms} 693189592Sbms#endif 694189592Sbms 695189592Sbmsstatic struct in_multi * 696189592Sbmsin_multientry(struct in_multi *pinm) 697189592Sbms{ 698189592Sbms struct in_multi inm; 699189592Sbms const char *state, *mode; 700189592Sbms 701189592Sbms KREAD(pinm, &inm, struct in_multi); 702189592Sbms printf("\t\tgroup %s", inet_ntoa(inm.inm_addr)); 703189592Sbms printf(" refcnt %u", inm.inm_refcount); 704189592Sbms 705189592Sbms state = inm_state(inm.inm_state); 706189592Sbms if (state) 707189592Sbms printf(" state %s", state); 708189592Sbms else 709189592Sbms printf(" state (%d)", inm.inm_state); 710189592Sbms 711189592Sbms mode = inm_mode(inm.inm_st[1].iss_fmode); 712189592Sbms if (mode) 713189592Sbms printf(" mode %s", mode); 714189592Sbms else 715189592Sbms printf(" mode (%d)", inm.inm_st[1].iss_fmode); 716189592Sbms 717189592Sbms if (vflag >= 2) { 718189592Sbms printf(" asm %u ex %u in %u rec %u", 719189592Sbms (u_int)inm.inm_st[1].iss_asm, 720189592Sbms (u_int)inm.inm_st[1].iss_ex, 721189592Sbms (u_int)inm.inm_st[1].iss_in, 722189592Sbms (u_int)inm.inm_st[1].iss_rec); 723167706Sbms } 724167706Sbms 725189592Sbms#if 0 726189592Sbms /* Buggy. */ 727189592Sbms if (vflag) 728189592Sbms inm_print_sources_kvm(&inm); 729189592Sbms#endif 730189592Sbms 731189592Sbms printf("\n"); 732189592Sbms return (NULL); 733167706Sbms} 734168560Sbms 735168560Sbms#endif /* INET */ 736168560Sbms 737168560Sbms#endif /* WITH_KVM */ 738168560Sbms 739188645Sbms#ifdef INET6 740230617Smaxim 741230617Smaximstatic void 742230617Smaximin6_ifinfo(struct mld_ifinfo *mli) 743230617Smaxim{ 744230617Smaxim 745230617Smaxim printf("\t"); 746230617Smaxim switch (mli->mli_version) { 747230617Smaxim case MLD_VERSION_1: 748230617Smaxim case MLD_VERSION_2: 749230617Smaxim printf("mldv%d", mli->mli_version); 750230617Smaxim break; 751230617Smaxim default: 752230617Smaxim printf("mldv?(%d)", mli->mli_version); 753230617Smaxim break; 754230617Smaxim } 755230617Smaxim printb(" flags", mli->mli_flags, "\020\1SILENT"); 756230617Smaxim if (mli->mli_version == MLD_VERSION_2) { 757230617Smaxim printf(" rv %u qi %u qri %u uri %u", 758230617Smaxim mli->mli_rv, mli->mli_qi, mli->mli_qri, mli->mli_uri); 759230617Smaxim } 760230617Smaxim if (vflag >= 2) { 761230617Smaxim printf(" v1timer %u v2timer %u", mli->mli_v1_timer, 762230617Smaxim mli->mli_v2_timer); 763230617Smaxim } 764230617Smaxim printf("\n"); 765230617Smaxim} 766230617Smaxim 767188645Sbmsstatic const char * 768188645Sbmsinet6_n2a(struct in6_addr *p) 769188645Sbms{ 770188645Sbms static char buf[NI_MAXHOST]; 771188645Sbms struct sockaddr_in6 sin6; 772188645Sbms u_int32_t scopeid; 773188645Sbms const int niflags = NI_NUMERICHOST; 774188645Sbms 775188645Sbms memset(&sin6, 0, sizeof(sin6)); 776188645Sbms sin6.sin6_family = AF_INET6; 777188645Sbms sin6.sin6_len = sizeof(struct sockaddr_in6); 778188645Sbms sin6.sin6_addr = *p; 779188645Sbms if (IN6_IS_ADDR_LINKLOCAL(p) || IN6_IS_ADDR_MC_LINKLOCAL(p) || 780188645Sbms IN6_IS_ADDR_MC_NODELOCAL(p)) { 781188645Sbms scopeid = ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]); 782188645Sbms if (scopeid) { 783188645Sbms sin6.sin6_scope_id = scopeid; 784188645Sbms sin6.sin6_addr.s6_addr[2] = 0; 785188645Sbms sin6.sin6_addr.s6_addr[3] = 0; 786188645Sbms } 787188645Sbms } 788188645Sbms if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 789188647Sbms buf, sizeof(buf), NULL, 0, niflags) == 0) { 790188647Sbms return (buf); 791188647Sbms } else { 792188647Sbms return ("(invalid)"); 793188647Sbms } 794188645Sbms} 795188645Sbms#endif /* INET6 */ 796188645Sbms 797189592Sbms#ifdef INET 798189592Sbms/* 799189592Sbms * Retrieve per-group source filter mode and lists via sysctl. 800189592Sbms */ 801189592Sbmsstatic void 802189592Sbmsinm_print_sources_sysctl(uint32_t ifindex, struct in_addr gina) 803189592Sbms{ 804189592Sbms#define MAX_SYSCTL_TRY 5 805189592Sbms int mib[7]; 806189592Sbms int ntry = 0; 807189592Sbms size_t mibsize; 808189592Sbms size_t len; 809189592Sbms size_t needed; 810189592Sbms size_t cnt; 811189592Sbms int i; 812189592Sbms char *buf; 813189592Sbms struct in_addr *pina; 814189592Sbms uint32_t *p; 815189592Sbms uint32_t fmode; 816189592Sbms const char *modestr; 817189592Sbms 818189592Sbms mibsize = sizeof(mib) / sizeof(mib[0]); 819189592Sbms if (sysctlnametomib("net.inet.ip.mcast.filters", mib, &mibsize) == -1) { 820189592Sbms perror("sysctlnametomib"); 821189592Sbms return; 822189592Sbms } 823189592Sbms 824189592Sbms needed = 0; 825189592Sbms mib[5] = ifindex; 826189592Sbms mib[6] = gina.s_addr; /* 32 bits wide */ 827189592Sbms mibsize = sizeof(mib) / sizeof(mib[0]); 828189592Sbms do { 829189592Sbms if (sysctl(mib, mibsize, NULL, &needed, NULL, 0) == -1) { 830189592Sbms perror("sysctl net.inet.ip.mcast.filters"); 831189592Sbms return; 832189592Sbms } 833189592Sbms if ((buf = malloc(needed)) == NULL) { 834189592Sbms perror("malloc"); 835189592Sbms return; 836189592Sbms } 837189592Sbms if (sysctl(mib, mibsize, buf, &needed, NULL, 0) == -1) { 838189592Sbms if (errno != ENOMEM || ++ntry >= MAX_SYSCTL_TRY) { 839189592Sbms perror("sysctl"); 840189592Sbms goto out_free; 841189592Sbms } 842189592Sbms free(buf); 843189592Sbms buf = NULL; 844189592Sbms } 845189592Sbms } while (buf == NULL); 846189592Sbms 847189592Sbms len = needed; 848189592Sbms if (len < sizeof(uint32_t)) { 849189592Sbms perror("sysctl"); 850189592Sbms goto out_free; 851189592Sbms } 852189592Sbms 853189592Sbms p = (uint32_t *)buf; 854189592Sbms fmode = *p++; 855189592Sbms len -= sizeof(uint32_t); 856189592Sbms 857189592Sbms modestr = inm_mode(fmode); 858189592Sbms if (modestr) 859189592Sbms printf(" mode %s", modestr); 860189592Sbms else 861189592Sbms printf(" mode (%u)", fmode); 862189592Sbms 863189592Sbms if (vflag == 0) 864189592Sbms goto out_free; 865189592Sbms 866189592Sbms cnt = len / sizeof(struct in_addr); 867189592Sbms pina = (struct in_addr *)p; 868189592Sbms 869189592Sbms for (i = 0; i < cnt; i++) { 870189592Sbms if (i == 0) 871189592Sbms printf(" srcs "); 872189592Sbms fprintf(stdout, "%s%s", (i == 0 ? "" : ","), 873189592Sbms inet_ntoa(*pina++)); 874189592Sbms len -= sizeof(struct in_addr); 875189592Sbms } 876189592Sbms if (len > 0) { 877189592Sbms fprintf(stderr, "warning: %u trailing bytes from %s\n", 878189592Sbms (unsigned int)len, "net.inet.ip.mcast.filters"); 879189592Sbms } 880189592Sbms 881189592Sbmsout_free: 882189592Sbms free(buf); 883189592Sbms#undef MAX_SYSCTL_TRY 884189592Sbms} 885189592Sbms 886189592Sbms#endif /* INET */ 887189592Sbms 888191672Sbms#ifdef INET6 889191672Sbms/* 890191672Sbms * Retrieve MLD per-group source filter mode and lists via sysctl. 891191672Sbms * 892228990Suqs * Note: The 128-bit IPv6 group address needs to be segmented into 893191672Sbms * 32-bit pieces for marshaling to sysctl. So the MIB name ends 894191672Sbms * up looking like this: 895191672Sbms * a.b.c.d.e.ifindex.g[0].g[1].g[2].g[3] 896191672Sbms * Assumes that pgroup originated from the kernel, so its components 897191672Sbms * are already in network-byte order. 898191672Sbms */ 899191672Sbmsstatic void 900191672Sbmsin6m_print_sources_sysctl(uint32_t ifindex, struct in6_addr *pgroup) 901191672Sbms{ 902191672Sbms#define MAX_SYSCTL_TRY 5 903191672Sbms char addrbuf[INET6_ADDRSTRLEN]; 904191672Sbms int mib[10]; 905191672Sbms int ntry = 0; 906191672Sbms int *pi; 907191672Sbms size_t mibsize; 908191672Sbms size_t len; 909191672Sbms size_t needed; 910191672Sbms size_t cnt; 911191672Sbms int i; 912191672Sbms char *buf; 913191672Sbms struct in6_addr *pina; 914191672Sbms uint32_t *p; 915191672Sbms uint32_t fmode; 916191672Sbms const char *modestr; 917191672Sbms 918191672Sbms mibsize = sizeof(mib) / sizeof(mib[0]); 919191672Sbms if (sysctlnametomib("net.inet6.ip6.mcast.filters", mib, 920191672Sbms &mibsize) == -1) { 921191672Sbms perror("sysctlnametomib"); 922191672Sbms return; 923191672Sbms } 924191672Sbms 925191672Sbms needed = 0; 926191672Sbms mib[5] = ifindex; 927191672Sbms pi = (int *)pgroup; 928191672Sbms for (i = 0; i < 4; i++) 929191672Sbms mib[6 + i] = *pi++; 930191672Sbms 931191672Sbms mibsize = sizeof(mib) / sizeof(mib[0]); 932191672Sbms do { 933191672Sbms if (sysctl(mib, mibsize, NULL, &needed, NULL, 0) == -1) { 934191672Sbms perror("sysctl net.inet6.ip6.mcast.filters"); 935191672Sbms return; 936191672Sbms } 937191672Sbms if ((buf = malloc(needed)) == NULL) { 938191672Sbms perror("malloc"); 939191672Sbms return; 940191672Sbms } 941191672Sbms if (sysctl(mib, mibsize, buf, &needed, NULL, 0) == -1) { 942191672Sbms if (errno != ENOMEM || ++ntry >= MAX_SYSCTL_TRY) { 943191672Sbms perror("sysctl"); 944191672Sbms goto out_free; 945191672Sbms } 946191672Sbms free(buf); 947191672Sbms buf = NULL; 948191672Sbms } 949191672Sbms } while (buf == NULL); 950191672Sbms 951191672Sbms len = needed; 952191672Sbms if (len < sizeof(uint32_t)) { 953191672Sbms perror("sysctl"); 954191672Sbms goto out_free; 955191672Sbms } 956191672Sbms 957191672Sbms p = (uint32_t *)buf; 958191672Sbms fmode = *p++; 959191672Sbms len -= sizeof(uint32_t); 960191672Sbms 961191672Sbms modestr = inm_mode(fmode); 962191672Sbms if (modestr) 963191672Sbms printf(" mode %s", modestr); 964191672Sbms else 965191672Sbms printf(" mode (%u)", fmode); 966191672Sbms 967191672Sbms if (vflag == 0) 968191672Sbms goto out_free; 969191672Sbms 970191672Sbms cnt = len / sizeof(struct in6_addr); 971191672Sbms pina = (struct in6_addr *)p; 972191672Sbms 973191672Sbms for (i = 0; i < cnt; i++) { 974191672Sbms if (i == 0) 975191672Sbms printf(" srcs "); 976191672Sbms inet_ntop(AF_INET6, (const char *)pina++, addrbuf, 977191672Sbms INET6_ADDRSTRLEN); 978191672Sbms fprintf(stdout, "%s%s", (i == 0 ? "" : ","), addrbuf); 979191672Sbms len -= sizeof(struct in6_addr); 980191672Sbms } 981191672Sbms if (len > 0) { 982191672Sbms fprintf(stderr, "warning: %u trailing bytes from %s\n", 983191672Sbms (unsigned int)len, "net.inet6.ip6.mcast.filters"); 984191672Sbms } 985191672Sbms 986191672Sbmsout_free: 987191672Sbms free(buf); 988191672Sbms#undef MAX_SYSCTL_TRY 989191672Sbms} 990191672Sbms#endif /* INET6 */ 991191672Sbms 992168560Sbmsstatic int 993168560Sbmsifmcstat_getifmaddrs(void) 994168560Sbms{ 995168560Sbms char thisifname[IFNAMSIZ]; 996188645Sbms char addrbuf[NI_MAXHOST]; 997168560Sbms struct ifaddrs *ifap, *ifa; 998168560Sbms struct ifmaddrs *ifmap, *ifma; 999168560Sbms sockunion_t lastifasa; 1000168560Sbms sockunion_t *psa, *pgsa, *pllsa, *pifasa; 1001168560Sbms char *pcolon; 1002168560Sbms char *pafname; 1003168560Sbms uint32_t lastifindex, thisifindex; 1004168560Sbms int error; 1005168560Sbms 1006168560Sbms error = 0; 1007168560Sbms ifap = NULL; 1008168560Sbms ifmap = NULL; 1009168560Sbms lastifindex = 0; 1010168560Sbms thisifindex = 0; 1011168560Sbms lastifasa.ss.ss_family = AF_UNSPEC; 1012168560Sbms 1013168560Sbms if (getifaddrs(&ifap) != 0) { 1014168560Sbms warn("getifmaddrs"); 1015168560Sbms return (-1); 1016168560Sbms } 1017168560Sbms 1018168560Sbms if (getifmaddrs(&ifmap) != 0) { 1019168560Sbms warn("getifmaddrs"); 1020168560Sbms error = -1; 1021168560Sbms goto out; 1022168560Sbms } 1023168560Sbms 1024168560Sbms for (ifma = ifmap; ifma; ifma = ifma->ifma_next) { 1025168560Sbms error = 0; 1026168560Sbms if (ifma->ifma_name == NULL || ifma->ifma_addr == NULL) 1027168560Sbms continue; 1028168560Sbms 1029168560Sbms psa = (sockunion_t *)ifma->ifma_name; 1030168560Sbms if (psa->sa.sa_family != AF_LINK) { 1031168560Sbms fprintf(stderr, 1032168560Sbms "WARNING: Kernel returned invalid data.\n"); 1033168560Sbms error = -1; 1034168560Sbms break; 1035168560Sbms } 1036168560Sbms 1037168560Sbms /* Filter on interface name. */ 1038168560Sbms thisifindex = psa->sdl.sdl_index; 1039168560Sbms if (ifindex != 0 && thisifindex != ifindex) 1040168560Sbms continue; 1041168560Sbms 1042168560Sbms /* Filter on address family. */ 1043168560Sbms pgsa = (sockunion_t *)ifma->ifma_addr; 1044168560Sbms if (af != 0 && pgsa->sa.sa_family != af) 1045168560Sbms continue; 1046168560Sbms 1047168560Sbms strlcpy(thisifname, link_ntoa(&psa->sdl), IFNAMSIZ); 1048168560Sbms pcolon = strchr(thisifname, ':'); 1049168560Sbms if (pcolon) 1050168560Sbms *pcolon = '\0'; 1051168560Sbms 1052168560Sbms /* Only print the banner for the first ifmaddrs entry. */ 1053168560Sbms if (lastifindex == 0 || lastifindex != thisifindex) { 1054168560Sbms lastifindex = thisifindex; 1055168560Sbms fprintf(stdout, "%s:\n", thisifname); 1056168560Sbms } 1057168560Sbms 1058168560Sbms /* 1059168560Sbms * Currently, multicast joins only take place on the 1060168560Sbms * primary IPv4 address, and only on the link-local IPv6 1061168560Sbms * address, as per IGMPv2/3 and MLDv1/2 semantics. 1062168560Sbms * Therefore, we only look up the primary address on 1063168560Sbms * the first pass. 1064168560Sbms */ 1065168560Sbms pifasa = NULL; 1066168560Sbms for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1067168560Sbms if ((strcmp(ifa->ifa_name, thisifname) != 0) || 1068168560Sbms (ifa->ifa_addr == NULL) || 1069168560Sbms (ifa->ifa_addr->sa_family != pgsa->sa.sa_family)) 1070168560Sbms continue; 1071168560Sbms /* 1072168560Sbms * For AF_INET6 only the link-local address should 1073188645Sbms * be returned. If built without IPv6 support, 1074188645Sbms * skip this address entirely. 1075168560Sbms */ 1076168560Sbms pifasa = (sockunion_t *)ifa->ifa_addr; 1077188645Sbms if (pifasa->sa.sa_family == AF_INET6 1078188645Sbms#ifdef INET6 1079188645Sbms && !IN6_IS_ADDR_LINKLOCAL(&pifasa->sin6.sin6_addr) 1080188645Sbms#endif 1081188645Sbms ) { 1082168560Sbms pifasa = NULL; 1083168560Sbms continue; 1084168560Sbms } 1085168560Sbms break; 1086168560Sbms } 1087168560Sbms if (pifasa == NULL) 1088168560Sbms continue; /* primary address not found */ 1089168560Sbms 1090188645Sbms if (!vflag && pifasa->sa.sa_family == AF_LINK) 1091188645Sbms continue; 1092188645Sbms 1093168560Sbms /* Parse and print primary address, if not already printed. */ 1094168560Sbms if (lastifasa.ss.ss_family == AF_UNSPEC || 1095168560Sbms ((lastifasa.ss.ss_family == AF_LINK && 1096168560Sbms !sa_dl_equal(&lastifasa.sa, &pifasa->sa)) || 1097168560Sbms !sa_equal(&lastifasa.sa, &pifasa->sa))) { 1098168560Sbms 1099168560Sbms switch (pifasa->sa.sa_family) { 1100168560Sbms case AF_INET: 1101168560Sbms pafname = "inet"; 1102168560Sbms break; 1103168560Sbms case AF_INET6: 1104168560Sbms pafname = "inet6"; 1105168560Sbms break; 1106168560Sbms case AF_LINK: 1107168560Sbms pafname = "link"; 1108168560Sbms break; 1109168560Sbms default: 1110168560Sbms pafname = "unknown"; 1111168560Sbms break; 1112168560Sbms } 1113168560Sbms 1114168560Sbms switch (pifasa->sa.sa_family) { 1115188645Sbms case AF_INET6: 1116188645Sbms#ifdef INET6 1117188645Sbms { 1118188645Sbms const char *p = 1119188645Sbms inet6_n2a(&pifasa->sin6.sin6_addr); 1120188645Sbms strlcpy(addrbuf, p, sizeof(addrbuf)); 1121188645Sbms break; 1122188645Sbms } 1123188645Sbms#else 1124188645Sbms /* FALLTHROUGH */ 1125188645Sbms#endif 1126168560Sbms case AF_INET: 1127168560Sbms case AF_LINK: 1128168560Sbms error = getnameinfo(&pifasa->sa, 1129168560Sbms pifasa->sa.sa_len, 1130168560Sbms addrbuf, sizeof(addrbuf), NULL, 0, 1131168560Sbms NI_NUMERICHOST); 1132168560Sbms if (error) 1133168560Sbms perror("getnameinfo"); 1134168560Sbms break; 1135168560Sbms default: 1136168560Sbms addrbuf[0] = '\0'; 1137168560Sbms break; 1138168560Sbms } 1139168560Sbms 1140168560Sbms fprintf(stdout, "\t%s %s\n", pafname, addrbuf); 1141189592Sbms#ifdef INET 1142189592Sbms /* 1143189592Sbms * Print per-link IGMP information, if available. 1144189592Sbms */ 1145189592Sbms if (pifasa->sa.sa_family == AF_INET) { 1146189592Sbms struct igmp_ifinfo igi; 1147189592Sbms size_t mibsize, len; 1148189592Sbms int mib[5]; 1149189592Sbms 1150189592Sbms mibsize = sizeof(mib) / sizeof(mib[0]); 1151189592Sbms if (sysctlnametomib("net.inet.igmp.ifinfo", 1152189592Sbms mib, &mibsize) == -1) { 1153189592Sbms perror("sysctlnametomib"); 1154189592Sbms goto next_ifnet; 1155189592Sbms } 1156189592Sbms mib[mibsize] = thisifindex; 1157189592Sbms len = sizeof(struct igmp_ifinfo); 1158189592Sbms if (sysctl(mib, mibsize + 1, &igi, &len, NULL, 1159189592Sbms 0) == -1) { 1160189592Sbms perror("sysctl net.inet.igmp.ifinfo"); 1161189592Sbms goto next_ifnet; 1162189592Sbms } 1163189592Sbms in_ifinfo(&igi); 1164189592Sbms } 1165191672Sbms#endif /* INET */ 1166191672Sbms#ifdef INET6 1167191672Sbms /* 1168191672Sbms * Print per-link MLD information, if available. 1169191672Sbms */ 1170191672Sbms if (pifasa->sa.sa_family == AF_INET6) { 1171191672Sbms struct mld_ifinfo mli; 1172191672Sbms size_t mibsize, len; 1173191672Sbms int mib[5]; 1174191672Sbms 1175191672Sbms mibsize = sizeof(mib) / sizeof(mib[0]); 1176191672Sbms if (sysctlnametomib("net.inet6.mld.ifinfo", 1177191672Sbms mib, &mibsize) == -1) { 1178191672Sbms perror("sysctlnametomib"); 1179191672Sbms goto next_ifnet; 1180191672Sbms } 1181191672Sbms mib[mibsize] = thisifindex; 1182191672Sbms len = sizeof(struct mld_ifinfo); 1183191672Sbms if (sysctl(mib, mibsize + 1, &mli, &len, NULL, 1184191672Sbms 0) == -1) { 1185191672Sbms perror("sysctl net.inet6.mld.ifinfo"); 1186191672Sbms goto next_ifnet; 1187191672Sbms } 1188191672Sbms in6_ifinfo(&mli); 1189191672Sbms } 1190191672Sbms#endif /* INET6 */ 1191191672Sbms#if defined(INET) || defined(INET6) 1192189592Sbmsnext_ifnet: 1193189592Sbms#endif 1194168560Sbms lastifasa = *pifasa; 1195168560Sbms } 1196168560Sbms 1197168560Sbms /* Print this group address. */ 1198188645Sbms#ifdef INET6 1199188645Sbms if (pgsa->sa.sa_family == AF_INET6) { 1200188645Sbms const char *p = inet6_n2a(&pgsa->sin6.sin6_addr); 1201188645Sbms strlcpy(addrbuf, p, sizeof(addrbuf)); 1202188645Sbms } else 1203188645Sbms#endif 1204188645Sbms { 1205188645Sbms error = getnameinfo(&pgsa->sa, pgsa->sa.sa_len, 1206188645Sbms addrbuf, sizeof(addrbuf), NULL, 0, NI_NUMERICHOST); 1207188645Sbms if (error) 1208188645Sbms perror("getnameinfo"); 1209188645Sbms } 1210188645Sbms 1211189592Sbms fprintf(stdout, "\t\tgroup %s", addrbuf); 1212189592Sbms#ifdef INET 1213189592Sbms if (pgsa->sa.sa_family == AF_INET) { 1214189592Sbms inm_print_sources_sysctl(thisifindex, 1215189592Sbms pgsa->sin.sin_addr); 1216189592Sbms } 1217189592Sbms#endif 1218191672Sbms#ifdef INET6 1219191672Sbms if (pgsa->sa.sa_family == AF_INET6) { 1220191672Sbms in6m_print_sources_sysctl(thisifindex, 1221191672Sbms &pgsa->sin6.sin6_addr); 1222191672Sbms } 1223191672Sbms#endif 1224189592Sbms fprintf(stdout, "\n"); 1225168560Sbms 1226168560Sbms /* Link-layer mapping, if present. */ 1227168560Sbms pllsa = (sockunion_t *)ifma->ifma_lladdr; 1228168560Sbms if (pllsa != NULL) { 1229188643Sbms error = getnameinfo(&pllsa->sa, pllsa->sa.sa_len, 1230168560Sbms addrbuf, sizeof(addrbuf), NULL, 0, NI_NUMERICHOST); 1231168560Sbms fprintf(stdout, "\t\t\tmcast-macaddr %s\n", addrbuf); 1232168560Sbms } 1233168560Sbms } 1234168560Sbmsout: 1235168560Sbms if (ifmap != NULL) 1236168560Sbms freeifmaddrs(ifmap); 1237168560Sbms if (ifap != NULL) 1238168560Sbms freeifaddrs(ifap); 1239168560Sbms 1240168560Sbms return (error); 1241168560Sbms} 1242