ndp.c revision 259176
162590Sitojun/* $FreeBSD: head/usr.sbin/ndp/ndp.c 259176 2013-12-10 14:17:07Z ae $ */ 2122615Sume/* $KAME: ndp.c,v 1.104 2003/06/27 07:48:39 itojun Exp $ */ 362590Sitojun 455505Sshin/* 555505Sshin * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. 655505Sshin * All rights reserved. 755505Sshin * 855505Sshin * Redistribution and use in source and binary forms, with or without 955505Sshin * modification, are permitted provided that the following conditions 1055505Sshin * are met: 1155505Sshin * 1. Redistributions of source code must retain the above copyright 1255505Sshin * notice, this list of conditions and the following disclaimer. 1355505Sshin * 2. Redistributions in binary form must reproduce the above copyright 1455505Sshin * notice, this list of conditions and the following disclaimer in the 1555505Sshin * documentation and/or other materials provided with the distribution. 1655505Sshin * 3. Neither the name of the project nor the names of its contributors 1755505Sshin * may be used to endorse or promote products derived from this software 1855505Sshin * without specific prior written permission. 1955505Sshin * 2055505Sshin * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 2155505Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2255505Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2355505Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 2455505Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2555505Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2655505Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2755505Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2855505Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2955505Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3055505Sshin * SUCH DAMAGE. 3155505Sshin */ 3255505Sshin/* 3355505Sshin * Copyright (c) 1984, 1993 3455505Sshin * The Regents of the University of California. All rights reserved. 3555505Sshin * 3655505Sshin * This code is derived from software contributed to Berkeley by 3755505Sshin * Sun Microsystems, Inc. 3855505Sshin * 3955505Sshin * Redistribution and use in source and binary forms, with or without 4055505Sshin * modification, are permitted provided that the following conditions 4155505Sshin * are met: 4255505Sshin * 1. Redistributions of source code must retain the above copyright 4355505Sshin * notice, this list of conditions and the following disclaimer. 4455505Sshin * 2. Redistributions in binary form must reproduce the above copyright 4555505Sshin * notice, this list of conditions and the following disclaimer in the 4655505Sshin * documentation and/or other materials provided with the distribution. 4755505Sshin * 4. Neither the name of the University nor the names of its contributors 4855505Sshin * may be used to endorse or promote products derived from this software 4955505Sshin * without specific prior written permission. 5055505Sshin * 5155505Sshin * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 5255505Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 5355505Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 5455505Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 5555505Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 5655505Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 5755505Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 5855505Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 5955505Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 6055505Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 6155505Sshin * SUCH DAMAGE. 6255505Sshin */ 6355505Sshin 6455505Sshin/* 6555505Sshin * Based on: 6655505Sshin * "@(#) Copyright (c) 1984, 1993\n\ 6755505Sshin * The Regents of the University of California. All rights reserved.\n"; 6855505Sshin * 6955505Sshin * "@(#)arp.c 8.2 (Berkeley) 1/2/94"; 7055505Sshin */ 7155505Sshin 7255505Sshin/* 7355505Sshin * ndp - display, set, delete and flush neighbor cache 7455505Sshin */ 7555505Sshin 7655505Sshin 7755505Sshin#include <sys/param.h> 7855505Sshin#include <sys/file.h> 7955505Sshin#include <sys/ioctl.h> 8055505Sshin#include <sys/socket.h> 8155505Sshin#include <sys/sysctl.h> 82253999Shrs#include <sys/time.h> 8378064Sume#include <sys/queue.h> 8455505Sshin 8555505Sshin#include <net/if.h> 8655505Sshin#include <net/if_var.h> 8755505Sshin#include <net/if_dl.h> 8855505Sshin#include <net/if_types.h> 8955505Sshin#include <net/route.h> 9055505Sshin 9155505Sshin#include <netinet/in.h> 9255505Sshin#include <netinet/if_ether.h> 9355505Sshin 9455505Sshin#include <netinet/icmp6.h> 9555505Sshin#include <netinet6/in6_var.h> 9655505Sshin#include <netinet6/nd6.h> 9755505Sshin 9855505Sshin#include <arpa/inet.h> 9955505Sshin 10055505Sshin#include <netdb.h> 10155505Sshin#include <errno.h> 10255505Sshin#include <nlist.h> 10355505Sshin#include <stdio.h> 10455505Sshin#include <string.h> 10555505Sshin#include <paths.h> 10655505Sshin#include <err.h> 10755505Sshin#include <stdlib.h> 10855505Sshin#include <fcntl.h> 10955505Sshin#include <unistd.h> 11055505Sshin#include "gmt2local.h" 11155505Sshin 112186119Sqingli#define NEXTADDR(w, s) \ 113186119Sqingli if (rtm->rtm_addrs & (w)) { \ 114196866Sbz bcopy((char *)&s, cp, sizeof(s)); cp += SA_SIZE(&s);} 115186119Sqingli 116186119Sqingli 117100650Sjmallettstatic pid_t pid; 11862590Sitojunstatic int nflag; 11962590Sitojunstatic int tflag; 12062590Sitojunstatic int32_t thiszone; /* time difference with gmt */ 12162590Sitojunstatic int s = -1; 12262590Sitojunstatic int repeat = 0; 12355505Sshin 12462590Sitojunchar ntop_buf[INET6_ADDRSTRLEN]; /* inet_ntop() */ 12562590Sitojunchar host_buf[NI_MAXHOST]; /* getnameinfo() */ 12662590Sitojunchar ifix_buf[IFNAMSIZ]; /* if_indextoname() */ 12755505Sshin 128173412Skevloint main(int, char **); 129173412Skevloint file(char *); 130173412Skevlovoid getsocket(void); 131173412Skevloint set(int, char **); 132173412Skevlovoid get(char *); 133173412Skevloint delete(char *); 134259176Saevoid dump(struct sockaddr_in6 *, int); 135173412Skevlostatic struct in6_nbrinfo *getnbrinfo(struct in6_addr *, int, int); 136173412Skevlostatic char *ether_str(struct sockaddr_dl *); 137173412Skevloint ndp_ether_aton(char *, u_char *); 138173412Skevlovoid usage(void); 139173412Skevloint rtmsg(int); 140173412Skevlovoid ifinfo(char *, int, char **); 141173412Skevlovoid rtrlist(void); 142173412Skevlovoid plist(void); 143173412Skevlovoid pfx_flush(void); 144173412Skevlovoid rtr_flush(void); 145173412Skevlovoid harmonize_rtr(void); 14662590Sitojun#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */ 147173412Skevlostatic void getdefif(void); 148173412Skevlostatic void setdefif(char *); 14962590Sitojun#endif 150173412Skevlostatic char *sec2str(time_t); 151253999Shrsstatic void ts_print(const struct timeval *); 15255505Sshin 153122615Sume#ifdef ICMPV6CTL_ND6_DRLIST 15478064Sumestatic char *rtpref_str[] = { 15578064Sume "medium", /* 00 */ 15678064Sume "high", /* 01 */ 15778064Sume "rsv", /* 10 */ 15878064Sume "low" /* 11 */ 15978064Sume}; 160122615Sume#endif 16178064Sume 162122615Sumeint mode = 0; 163122615Sumechar *arg = NULL; 164122615Sume 16555505Sshinint 166259169Saemain(int argc, char **argv) 16755505Sshin{ 16855505Sshin int ch; 16955505Sshin 17055505Sshin pid = getpid(); 17155505Sshin thiszone = gmt2local(0); 172122615Sume while ((ch = getopt(argc, argv, "acd:f:Ii:nprstA:HPR")) != -1) 173121156Sume switch (ch) { 17455505Sshin case 'a': 17555505Sshin case 'c': 176122615Sume case 'p': 177122615Sume case 'r': 178122615Sume case 'H': 179122615Sume case 'P': 180122615Sume case 'R': 181122615Sume case 's': 182122615Sume case 'I': 183122615Sume if (mode) { 184122615Sume usage(); 185122615Sume /*NOTREACHED*/ 186122615Sume } 187122615Sume mode = ch; 188122615Sume arg = NULL; 18955505Sshin break; 19055505Sshin case 'd': 191122615Sume case 'f': 19255505Sshin case 'i' : 193122615Sume if (mode) { 19455505Sshin usage(); 195122615Sume /*NOTREACHED*/ 196122615Sume } 197122615Sume mode = ch; 198122615Sume arg = optarg; 199122615Sume break; 20055505Sshin case 'n': 20155505Sshin nflag = 1; 20255505Sshin break; 20355505Sshin case 't': 20455505Sshin tflag = 1; 20555505Sshin break; 20655505Sshin case 'A': 207122615Sume if (mode) { 208122615Sume usage(); 209122615Sume /*NOTREACHED*/ 210122615Sume } 211122615Sume mode = 'a'; 21255505Sshin repeat = atoi(optarg); 213122615Sume if (repeat < 0) { 21455505Sshin usage(); 215122615Sume /*NOTREACHED*/ 216122615Sume } 21755505Sshin break; 21855505Sshin default: 21955505Sshin usage(); 22055505Sshin } 22155505Sshin 22255505Sshin argc -= optind; 22355505Sshin argv += optind; 22455505Sshin 225122615Sume switch (mode) { 226122615Sume case 'a': 227122615Sume case 'c': 228122615Sume if (argc != 0) { 22955505Sshin usage(); 230122615Sume /*NOTREACHED*/ 231122615Sume } 232122615Sume dump(0, mode == 'c'); 233122615Sume break; 234122615Sume case 'd': 235122615Sume if (argc != 0) { 236122615Sume usage(); 237122615Sume /*NOTREACHED*/ 238122615Sume } 239122615Sume delete(arg); 240122615Sume break; 241122615Sume case 'I': 242122615Sume#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */ 243122615Sume if (argc > 1) { 244122615Sume usage(); 245122615Sume /*NOTREACHED*/ 246122615Sume } else if (argc == 1) { 247122615Sume if (strcmp(*argv, "delete") == 0 || 248122615Sume if_nametoindex(*argv)) 249122615Sume setdefif(*argv); 250122615Sume else 251122615Sume errx(1, "invalid interface %s", *argv); 252122615Sume } 253122615Sume getdefif(); /* always call it to print the result */ 254122615Sume break; 255122615Sume#else 256122615Sume errx(1, "not supported yet"); 257122615Sume /*NOTREACHED*/ 258122615Sume#endif 259122615Sume case 'p': 260122615Sume if (argc != 0) { 261122615Sume usage(); 262122615Sume /*NOTREACHED*/ 263122615Sume } 26455505Sshin plist(); 265122615Sume break; 266122615Sume case 'i': 267122615Sume ifinfo(arg, argc, argv); 268122615Sume break; 269122615Sume case 'r': 270122615Sume if (argc != 0) { 271122615Sume usage(); 272122615Sume /*NOTREACHED*/ 273122615Sume } 27455505Sshin rtrlist(); 275122615Sume break; 276122615Sume case 's': 27755505Sshin if (argc < 2 || argc > 4) 27855505Sshin usage(); 27955505Sshin exit(set(argc, argv) ? 1 : 0); 280122615Sume case 'H': 281122615Sume if (argc != 0) { 282122615Sume usage(); 283122615Sume /*NOTREACHED*/ 284122615Sume } 28555505Sshin harmonize_rtr(); 286122615Sume break; 287122615Sume case 'P': 288122615Sume if (argc != 0) { 289122615Sume usage(); 290122615Sume /*NOTREACHED*/ 291122615Sume } 29255505Sshin pfx_flush(); 293122615Sume break; 294122615Sume case 'R': 295122615Sume if (argc != 0) { 296122615Sume usage(); 297122615Sume /*NOTREACHED*/ 298122615Sume } 29955505Sshin rtr_flush(); 300122615Sume break; 301122615Sume case 0: 302122615Sume if (argc != 1) { 303122615Sume usage(); 304122615Sume /*NOTREACHED*/ 305122615Sume } 306122615Sume get(argv[0]); 307122615Sume break; 30855505Sshin } 30955505Sshin exit(0); 31055505Sshin} 31155505Sshin 31255505Sshin/* 31355505Sshin * Process a file to set standard ndp entries 31455505Sshin */ 31555505Sshinint 316259169Saefile(char *name) 31755505Sshin{ 31855505Sshin FILE *fp; 31955505Sshin int i, retval; 32055505Sshin char line[100], arg[5][50], *args[5]; 32155505Sshin 32255505Sshin if ((fp = fopen(name, "r")) == NULL) { 32355505Sshin fprintf(stderr, "ndp: cannot open %s\n", name); 32455505Sshin exit(1); 32555505Sshin } 32655505Sshin args[0] = &arg[0][0]; 32755505Sshin args[1] = &arg[1][0]; 32855505Sshin args[2] = &arg[2][0]; 32955505Sshin args[3] = &arg[3][0]; 33055505Sshin args[4] = &arg[4][0]; 33155505Sshin retval = 0; 332167260Skevlo while (fgets(line, sizeof(line), fp) != NULL) { 333122615Sume i = sscanf(line, "%49s %49s %49s %49s %49s", 334122615Sume arg[0], arg[1], arg[2], arg[3], arg[4]); 33555505Sshin if (i < 2) { 33655505Sshin fprintf(stderr, "ndp: bad line: %s\n", line); 33755505Sshin retval = 1; 33855505Sshin continue; 33955505Sshin } 34055505Sshin if (set(i, args)) 34155505Sshin retval = 1; 34255505Sshin } 34355505Sshin fclose(fp); 34455505Sshin return (retval); 34555505Sshin} 34655505Sshin 34755505Sshinvoid 34855505Sshingetsocket() 34955505Sshin{ 35055505Sshin if (s < 0) { 35155505Sshin s = socket(PF_ROUTE, SOCK_RAW, 0); 35255505Sshin if (s < 0) { 353121156Sume err(1, "socket"); 354121156Sume /* NOTREACHED */ 35555505Sshin } 35655505Sshin } 35755505Sshin} 35855505Sshin 35962590Sitojunstruct sockaddr_in6 so_mask = {sizeof(so_mask), AF_INET6 }; 36055505Sshinstruct sockaddr_in6 blank_sin = {sizeof(blank_sin), AF_INET6 }, sin_m; 36155505Sshinstruct sockaddr_dl blank_sdl = {sizeof(blank_sdl), AF_LINK }, sdl_m; 362253999Shrstime_t expire_time; 363253999Shrsint flags, found_entry; 36455505Sshinstruct { 36555505Sshin struct rt_msghdr m_rtm; 36655505Sshin char m_space[512]; 36755505Sshin} m_rtmsg; 36855505Sshin 36955505Sshin/* 37055505Sshin * Set an individual neighbor cache entry 37155505Sshin */ 37255505Sshinint 373259169Saeset(int argc, char **argv) 37455505Sshin{ 37555505Sshin register struct sockaddr_in6 *sin = &sin_m; 37655505Sshin register struct sockaddr_dl *sdl; 37755505Sshin register struct rt_msghdr *rtm = &(m_rtmsg.m_rtm); 37855505Sshin struct addrinfo hints, *res; 37955505Sshin int gai_error; 38055505Sshin u_char *ea; 38155505Sshin char *host = argv[0], *eaddr = argv[1]; 38255505Sshin 38355505Sshin getsocket(); 38455505Sshin argc -= 2; 38555505Sshin argv += 2; 38655505Sshin sdl_m = blank_sdl; 38755505Sshin sin_m = blank_sin; 38855505Sshin 38955505Sshin bzero(&hints, sizeof(hints)); 39055505Sshin hints.ai_family = AF_INET6; 39155505Sshin gai_error = getaddrinfo(host, NULL, &hints, &res); 39255505Sshin if (gai_error) { 39355505Sshin fprintf(stderr, "ndp: %s: %s\n", host, 39455505Sshin gai_strerror(gai_error)); 39555505Sshin return 1; 39655505Sshin } 39755505Sshin sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr; 398243903Shrs sin->sin6_scope_id = 399243903Shrs ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 40055505Sshin ea = (u_char *)LLADDR(&sdl_m); 40155505Sshin if (ndp_ether_aton(eaddr, ea) == 0) 40255505Sshin sdl_m.sdl_alen = 6; 40355505Sshin flags = expire_time = 0; 40455505Sshin while (argc-- > 0) { 40555505Sshin if (strncmp(argv[0], "temp", 4) == 0) { 406253999Shrs struct timeval now; 407121156Sume 408253999Shrs gettimeofday(&now, 0); 409253970Shrs expire_time = now.tv_sec + 20 * 60; 41062590Sitojun } else if (strncmp(argv[0], "proxy", 5) == 0) 41162590Sitojun flags |= RTF_ANNOUNCE; 41255505Sshin argv++; 41355505Sshin } 41455505Sshin if (rtmsg(RTM_GET) < 0) { 415121156Sume errx(1, "RTM_GET(%s) failed", host); 416121156Sume /* NOTREACHED */ 41755505Sshin } 41855505Sshin sin = (struct sockaddr_in6 *)(rtm + 1); 419259171Sae sdl = (struct sockaddr_dl *)(ALIGN(sin->sin6_len) + (char *)sin); 42055505Sshin if (IN6_ARE_ADDR_EQUAL(&sin->sin6_addr, &sin_m.sin6_addr)) { 42155505Sshin if (sdl->sdl_family == AF_LINK && 422122615Sume !(rtm->rtm_flags & RTF_GATEWAY)) { 423122615Sume switch (sdl->sdl_type) { 424122615Sume case IFT_ETHER: case IFT_FDDI: case IFT_ISO88023: 425122615Sume case IFT_ISO88024: case IFT_ISO88025: 426210936Sjhb case IFT_L2VLAN: case IFT_BRIDGE: 427122615Sume goto overwrite; 428122615Sume } 42955505Sshin } 43062590Sitojun fprintf(stderr, "set: cannot configure a new entry\n"); 43162590Sitojun return 1; 43255505Sshin } 43362590Sitojun 43455505Sshinoverwrite: 43555505Sshin if (sdl->sdl_family != AF_LINK) { 43655505Sshin printf("cannot intuit interface index and type for %s\n", host); 43755505Sshin return (1); 43855505Sshin } 43955505Sshin sdl_m.sdl_type = sdl->sdl_type; 44055505Sshin sdl_m.sdl_index = sdl->sdl_index; 44155505Sshin return (rtmsg(RTM_ADD)); 44255505Sshin} 44355505Sshin 44455505Sshin/* 44555505Sshin * Display an individual neighbor cache entry 44655505Sshin */ 44755505Sshinvoid 448259169Saeget(char *host) 44955505Sshin{ 45055505Sshin struct sockaddr_in6 *sin = &sin_m; 45155505Sshin struct addrinfo hints, *res; 45255505Sshin int gai_error; 45355505Sshin 45455505Sshin sin_m = blank_sin; 45555505Sshin bzero(&hints, sizeof(hints)); 45655505Sshin hints.ai_family = AF_INET6; 45755505Sshin gai_error = getaddrinfo(host, NULL, &hints, &res); 45855505Sshin if (gai_error) { 45955505Sshin fprintf(stderr, "ndp: %s: %s\n", host, 460121156Sume gai_strerror(gai_error)); 46155505Sshin return; 46255505Sshin } 46355505Sshin sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr; 464259176Sae sin->sin6_scope_id = 465259176Sae ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 466259176Sae dump(sin, 0); 46755505Sshin if (found_entry == 0) { 46855505Sshin getnameinfo((struct sockaddr *)sin, sin->sin6_len, host_buf, 469121156Sume sizeof(host_buf), NULL ,0, 470121156Sume (nflag ? NI_NUMERICHOST : 0)); 47155505Sshin printf("%s (%s) -- no entry\n", host, host_buf); 47255505Sshin exit(1); 47355505Sshin } 47455505Sshin} 47555505Sshin 47655505Sshin/* 47755505Sshin * Delete a neighbor cache entry 47855505Sshin */ 47955505Sshinint 480259169Saedelete(char *host) 48155505Sshin{ 48255505Sshin struct sockaddr_in6 *sin = &sin_m; 48355505Sshin register struct rt_msghdr *rtm = &m_rtmsg.m_rtm; 484186119Sqingli register char *cp = m_rtmsg.m_space; 48555505Sshin struct sockaddr_dl *sdl; 48655505Sshin struct addrinfo hints, *res; 48755505Sshin int gai_error; 48855505Sshin 48955505Sshin getsocket(); 49055505Sshin sin_m = blank_sin; 49155505Sshin 49255505Sshin bzero(&hints, sizeof(hints)); 49355505Sshin hints.ai_family = AF_INET6; 49455505Sshin gai_error = getaddrinfo(host, NULL, &hints, &res); 49555505Sshin if (gai_error) { 49655505Sshin fprintf(stderr, "ndp: %s: %s\n", host, 497121156Sume gai_strerror(gai_error)); 49855505Sshin return 1; 49955505Sshin } 50055505Sshin sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr; 501243903Shrs sin->sin6_scope_id = 502243903Shrs ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id; 50355505Sshin if (rtmsg(RTM_GET) < 0) { 504121156Sume errx(1, "RTM_GET(%s) failed", host); 505121156Sume /* NOTREACHED */ 50655505Sshin } 50755505Sshin sin = (struct sockaddr_in6 *)(rtm + 1); 508259171Sae sdl = (struct sockaddr_dl *)(ALIGN(sin->sin6_len) + (char *)sin); 50955505Sshin if (IN6_ARE_ADDR_EQUAL(&sin->sin6_addr, &sin_m.sin6_addr)) { 51055505Sshin if (sdl->sdl_family == AF_LINK && 51162590Sitojun !(rtm->rtm_flags & RTF_GATEWAY)) { 51278064Sume goto delete; 51355505Sshin } 51462590Sitojun fprintf(stderr, "delete: cannot delete non-NDP entry\n"); 51562590Sitojun return 1; 51655505Sshin } 51762590Sitojun 51855505Sshindelete: 51955505Sshin if (sdl->sdl_family != AF_LINK) { 52055505Sshin printf("cannot locate %s\n", host); 52155505Sshin return (1); 52255505Sshin } 523186119Sqingli /* 524186119Sqingli * need to reinit the field because it has rt_key 525186119Sqingli * but we want the actual address 526186119Sqingli */ 527186119Sqingli NEXTADDR(RTA_DST, sin_m); 528186500Sqingli rtm->rtm_flags |= RTF_LLDATA; 52955505Sshin if (rtmsg(RTM_DELETE) == 0) { 530243903Shrs getnameinfo((struct sockaddr *)sin, 531243903Shrs sin->sin6_len, host_buf, 532121156Sume sizeof(host_buf), NULL, 0, 533121156Sume (nflag ? NI_NUMERICHOST : 0)); 53455505Sshin printf("%s (%s) deleted\n", host, host_buf); 53555505Sshin } 53655505Sshin 53755505Sshin return 0; 53855505Sshin} 53955505Sshin 540122615Sume#define W_ADDR 36 54178064Sume#define W_LL 17 54278064Sume#define W_IF 6 54378064Sume 54455505Sshin/* 54555505Sshin * Dump the entire neighbor cache 54655505Sshin */ 54755505Sshinvoid 548259176Saedump(struct sockaddr_in6 *addr, int cflag) 54955505Sshin{ 55055505Sshin int mib[6]; 55155505Sshin size_t needed; 55262590Sitojun char *lim, *buf, *next; 55355505Sshin struct rt_msghdr *rtm; 55455505Sshin struct sockaddr_in6 *sin; 55555505Sshin struct sockaddr_dl *sdl; 55655505Sshin extern int h_errno; 55755505Sshin struct in6_nbrinfo *nbi; 558253999Shrs struct timeval now; 55955505Sshin int addrwidth; 56078064Sume int llwidth; 56178064Sume int ifwidth; 56262590Sitojun char flgbuf[8]; 56378064Sume char *ifname; 56455505Sshin 56555505Sshin /* Print header */ 56666865Ssumikawa if (!tflag && !cflag) 567122615Sume printf("%-*.*s %-*.*s %*.*s %-9.9s %1s %5s\n", 56878064Sume W_ADDR, W_ADDR, "Neighbor", W_LL, W_LL, "Linklayer Address", 569122615Sume W_IF, W_IF, "Netif", "Expire", "S", "Flags"); 57055505Sshin 57155505Sshinagain:; 57255505Sshin mib[0] = CTL_NET; 57355505Sshin mib[1] = PF_ROUTE; 57455505Sshin mib[2] = 0; 57555505Sshin mib[3] = AF_INET6; 57655505Sshin mib[4] = NET_RT_FLAGS; 577186119Sqingli#ifdef RTF_LLINFO 57855505Sshin mib[5] = RTF_LLINFO; 579186119Sqingli#else 580186119Sqingli mib[5] = 0; 581186119Sqingli#endif 58255505Sshin if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) 58355505Sshin err(1, "sysctl(PF_ROUTE estimate)"); 58455505Sshin if (needed > 0) { 58555505Sshin if ((buf = malloc(needed)) == NULL) 586121156Sume err(1, "malloc"); 58755505Sshin if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) 58855505Sshin err(1, "sysctl(PF_ROUTE, NET_RT_FLAGS)"); 58955505Sshin lim = buf + needed; 59055505Sshin } else 59155505Sshin buf = lim = NULL; 59255505Sshin 59355505Sshin for (next = buf; next && next < lim; next += rtm->rtm_msglen) { 59455505Sshin int isrouter = 0, prbs = 0; 59555505Sshin 59655505Sshin rtm = (struct rt_msghdr *)next; 59755505Sshin sin = (struct sockaddr_in6 *)(rtm + 1); 598259171Sae sdl = (struct sockaddr_dl *)((char *)sin + ALIGN(sin->sin6_len)); 59978064Sume 60078064Sume /* 60178064Sume * Some OSes can produce a route that has the LINK flag but 60278064Sume * has a non-AF_LINK gateway (e.g. fe80::xx%lo0 on FreeBSD 60378064Sume * and BSD/OS, where xx is not the interface identifier on 60478064Sume * lo0). Such routes entry would annoy getnbrinfo() below, 60578064Sume * so we skip them. 60678064Sume * XXX: such routes should have the GATEWAY flag, not the 607121156Sume * LINK flag. However, there is rotten routing software 60878064Sume * that advertises all routes that have the GATEWAY flag. 60978064Sume * Thus, KAME kernel intentionally does not set the LINK flag. 61078064Sume * What is to be fixed is not ndp, but such routing software 61178064Sume * (and the kernel workaround)... 61278064Sume */ 61378064Sume if (sdl->sdl_family != AF_LINK) 61478064Sume continue; 61578064Sume 616122615Sume if (!(rtm->rtm_flags & RTF_HOST)) 617122615Sume continue; 618122615Sume 61955505Sshin if (addr) { 620259176Sae if (IN6_ARE_ADDR_EQUAL(&addr->sin6_addr, 621259176Sae &sin->sin6_addr) == 0 || 622259176Sae addr->sin6_scope_id != sin->sin6_scope_id) 62355505Sshin continue; 62455505Sshin found_entry = 1; 62555505Sshin } else if (IN6_IS_ADDR_MULTICAST(&sin->sin6_addr)) 62655505Sshin continue; 62755505Sshin if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) || 62855505Sshin IN6_IS_ADDR_MC_LINKLOCAL(&sin->sin6_addr)) { 62955505Sshin /* XXX: should scope id be filled in the kernel? */ 63055505Sshin if (sin->sin6_scope_id == 0) 63155505Sshin sin->sin6_scope_id = sdl->sdl_index; 63255505Sshin } 63355505Sshin getnameinfo((struct sockaddr *)sin, sin->sin6_len, host_buf, 634121156Sume sizeof(host_buf), NULL, 0, (nflag ? NI_NUMERICHOST : 0)); 635122615Sume if (cflag) { 63681366Ssumikawa#ifdef RTF_WASCLONED 63781366Ssumikawa if (rtm->rtm_flags & RTF_WASCLONED) 63881366Ssumikawa delete(host_buf); 639122615Sume#elif defined(RTF_CLONED) 640122615Sume if (rtm->rtm_flags & RTF_CLONED) 641122615Sume delete(host_buf); 64281366Ssumikawa#else 64366865Ssumikawa delete(host_buf); 64481366Ssumikawa#endif 64566865Ssumikawa continue; 64666865Ssumikawa } 647253999Shrs gettimeofday(&now, 0); 64855505Sshin if (tflag) 649253970Shrs ts_print(&now); 65055505Sshin 65178064Sume addrwidth = strlen(host_buf); 65278064Sume if (addrwidth < W_ADDR) 65378064Sume addrwidth = W_ADDR; 65478064Sume llwidth = strlen(ether_str(sdl)); 65578064Sume if (W_ADDR + W_LL - addrwidth > llwidth) 65678064Sume llwidth = W_ADDR + W_LL - addrwidth; 65778064Sume ifname = if_indextoname(sdl->sdl_index, ifix_buf); 65878064Sume if (!ifname) 65978064Sume ifname = "?"; 66078064Sume ifwidth = strlen(ifname); 66178064Sume if (W_ADDR + W_LL + W_IF - addrwidth - llwidth > ifwidth) 66278064Sume ifwidth = W_ADDR + W_LL + W_IF - addrwidth - llwidth; 66355505Sshin 66478064Sume printf("%-*.*s %-*.*s %*.*s", addrwidth, addrwidth, host_buf, 66578064Sume llwidth, llwidth, ether_str(sdl), ifwidth, ifwidth, ifname); 66655505Sshin 66755505Sshin /* Print neighbor discovery specific informations */ 66862590Sitojun nbi = getnbrinfo(&sin->sin6_addr, sdl->sdl_index, 1); 66955505Sshin if (nbi) { 670253970Shrs if (nbi->expire > now.tv_sec) { 67155505Sshin printf(" %-9.9s", 672253970Shrs sec2str(nbi->expire - now.tv_sec)); 67378064Sume } else if (nbi->expire == 0) 67455505Sshin printf(" %-9.9s", "permanent"); 67555505Sshin else 67655505Sshin printf(" %-9.9s", "expired"); 67755505Sshin 678121156Sume switch (nbi->state) { 679121156Sume case ND6_LLINFO_NOSTATE: 68055505Sshin printf(" N"); 68155505Sshin break; 68278064Sume#ifdef ND6_LLINFO_WAITDELETE 683121156Sume case ND6_LLINFO_WAITDELETE: 68455505Sshin printf(" W"); 68555505Sshin break; 68678064Sume#endif 687121156Sume case ND6_LLINFO_INCOMPLETE: 68855505Sshin printf(" I"); 68955505Sshin break; 690121156Sume case ND6_LLINFO_REACHABLE: 69155505Sshin printf(" R"); 69255505Sshin break; 693121156Sume case ND6_LLINFO_STALE: 69455505Sshin printf(" S"); 69555505Sshin break; 696121156Sume case ND6_LLINFO_DELAY: 69755505Sshin printf(" D"); 69855505Sshin break; 699121156Sume case ND6_LLINFO_PROBE: 70055505Sshin printf(" P"); 70155505Sshin break; 702121156Sume default: 70355505Sshin printf(" ?"); 70455505Sshin break; 70555505Sshin } 70655505Sshin 70755505Sshin isrouter = nbi->isrouter; 70855505Sshin prbs = nbi->asked; 70978064Sume } else { 71055505Sshin warnx("failed to get neighbor information"); 71155505Sshin printf(" "); 71255505Sshin } 71355505Sshin 71462590Sitojun /* 71562590Sitojun * other flags. R: router, P: proxy, W: ?? 71662590Sitojun */ 71762590Sitojun if ((rtm->rtm_addrs & RTA_NETMASK) == 0) { 71862590Sitojun snprintf(flgbuf, sizeof(flgbuf), "%s%s", 719121156Sume isrouter ? "R" : "", 720121156Sume (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : ""); 72162590Sitojun } else { 72262590Sitojun sin = (struct sockaddr_in6 *) 723121156Sume (sdl->sdl_len + (char *)sdl); 724122615Sume#if 0 /* W and P are mystery even for us */ 72562590Sitojun snprintf(flgbuf, sizeof(flgbuf), "%s%s%s%s", 726121156Sume isrouter ? "R" : "", 727121156Sume !IN6_IS_ADDR_UNSPECIFIED(&sin->sin6_addr) ? "P" : "", 728121156Sume (sin->sin6_len != sizeof(struct sockaddr_in6)) ? "W" : "", 729121156Sume (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : ""); 730122615Sume#else 731122615Sume snprintf(flgbuf, sizeof(flgbuf), "%s%s", 732122615Sume isrouter ? "R" : "", 733122615Sume (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : ""); 734122615Sume#endif 73555505Sshin } 736122615Sume printf(" %s", flgbuf); 73755505Sshin 73855505Sshin if (prbs) 739122615Sume printf(" %d", prbs); 74055505Sshin 74155505Sshin printf("\n"); 74255505Sshin } 74378064Sume if (buf != NULL) 74478064Sume free(buf); 74555505Sshin 74655505Sshin if (repeat) { 74755505Sshin printf("\n"); 748125675Ssumikawa fflush(stdout); 74955505Sshin sleep(repeat); 75055505Sshin goto again; 75155505Sshin } 75255505Sshin} 75355505Sshin 75455505Sshinstatic struct in6_nbrinfo * 755259169Saegetnbrinfo(struct in6_addr *addr, int ifindex, int warning) 75655505Sshin{ 75755505Sshin static struct in6_nbrinfo nbi; 75855505Sshin int s; 75955505Sshin 76055505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 76155505Sshin err(1, "socket"); 76255505Sshin 76355505Sshin bzero(&nbi, sizeof(nbi)); 76455505Sshin if_indextoname(ifindex, nbi.ifname); 76555505Sshin nbi.addr = *addr; 76655505Sshin if (ioctl(s, SIOCGNBRINFO_IN6, (caddr_t)&nbi) < 0) { 76762590Sitojun if (warning) 76862590Sitojun warn("ioctl(SIOCGNBRINFO_IN6)"); 76955505Sshin close(s); 77055505Sshin return(NULL); 77155505Sshin } 77255505Sshin 77355505Sshin close(s); 77455505Sshin return(&nbi); 77555505Sshin} 77655505Sshin 77755505Sshinstatic char * 778217140Sdelphijether_str(struct sockaddr_dl *sdl) 77955505Sshin{ 780121156Sume static char hbuf[NI_MAXHOST]; 781219819Sjeff char *cp; 78255505Sshin 783219819Sjeff if (sdl->sdl_alen == ETHER_ADDR_LEN) { 784217140Sdelphij strlcpy(hbuf, ether_ntoa((struct ether_addr *)LLADDR(sdl)), 785217140Sdelphij sizeof(hbuf)); 786219819Sjeff } else if (sdl->sdl_alen) { 787219819Sjeff int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0; 788219819Sjeff snprintf(hbuf, sizeof(hbuf), "%s", link_ntoa(sdl) + n); 789219819Sjeff } else 790121156Sume snprintf(hbuf, sizeof(hbuf), "(incomplete)"); 79155505Sshin 792121156Sume return(hbuf); 79355505Sshin} 79455505Sshin 79555505Sshinint 796259169Saendp_ether_aton(char *a, u_char *n) 79755505Sshin{ 79855505Sshin int i, o[6]; 79955505Sshin 80055505Sshin i = sscanf(a, "%x:%x:%x:%x:%x:%x", &o[0], &o[1], &o[2], 801121156Sume &o[3], &o[4], &o[5]); 80255505Sshin if (i != 6) { 80355505Sshin fprintf(stderr, "ndp: invalid Ethernet address '%s'\n", a); 80455505Sshin return (1); 80555505Sshin } 806121156Sume for (i = 0; i < 6; i++) 80755505Sshin n[i] = o[i]; 80855505Sshin return (0); 80955505Sshin} 81055505Sshin 81155505Sshinvoid 81255505Sshinusage() 81355505Sshin{ 814122615Sume printf("usage: ndp [-nt] hostname\n"); 815122615Sume printf(" ndp [-nt] -a | -c | -p | -r | -H | -P | -R\n"); 81678064Sume printf(" ndp [-nt] -A wait\n"); 817122615Sume printf(" ndp [-nt] -d hostname\n"); 818122615Sume printf(" ndp [-nt] -f filename\n"); 819122615Sume printf(" ndp [-nt] -i interface [flags...]\n"); 82062590Sitojun#ifdef SIOCSDEFIFACE_IN6 821122615Sume printf(" ndp [-nt] -I [interface|delete]\n"); 82262590Sitojun#endif 823122615Sume printf(" ndp [-nt] -s nodename etheraddr [temp] [proxy]\n"); 82455505Sshin exit(1); 82555505Sshin} 82655505Sshin 82755505Sshinint 828259169Saertmsg(int cmd) 82955505Sshin{ 83055505Sshin static int seq; 83155505Sshin int rlen; 83255505Sshin register struct rt_msghdr *rtm = &m_rtmsg.m_rtm; 83355505Sshin register char *cp = m_rtmsg.m_space; 83455505Sshin register int l; 83555505Sshin 83655505Sshin errno = 0; 83755505Sshin if (cmd == RTM_DELETE) 83855505Sshin goto doit; 83955505Sshin bzero((char *)&m_rtmsg, sizeof(m_rtmsg)); 84055505Sshin rtm->rtm_flags = flags; 84155505Sshin rtm->rtm_version = RTM_VERSION; 84255505Sshin 84355505Sshin switch (cmd) { 84455505Sshin default: 84555505Sshin fprintf(stderr, "ndp: internal wrong cmd\n"); 84655505Sshin exit(1); 84755505Sshin case RTM_ADD: 84855505Sshin rtm->rtm_addrs |= RTA_GATEWAY; 849122615Sume if (expire_time) { 850122615Sume rtm->rtm_rmx.rmx_expire = expire_time; 851122615Sume rtm->rtm_inits = RTV_EXPIRE; 852122615Sume } 853186500Sqingli rtm->rtm_flags |= (RTF_HOST | RTF_STATIC | RTF_LLDATA); 854151473Ssuz#if 0 /* we don't support ipv6addr/128 type proxying */ 85562590Sitojun if (rtm->rtm_flags & RTF_ANNOUNCE) { 85662590Sitojun rtm->rtm_flags &= ~RTF_HOST; 857124241Ssuz rtm->rtm_addrs |= RTA_NETMASK; 85862590Sitojun } 859151473Ssuz#endif 86055505Sshin /* FALLTHROUGH */ 86155505Sshin case RTM_GET: 86255505Sshin rtm->rtm_addrs |= RTA_DST; 86355505Sshin } 86455505Sshin 86555505Sshin NEXTADDR(RTA_DST, sin_m); 86655505Sshin NEXTADDR(RTA_GATEWAY, sdl_m); 867151473Ssuz#if 0 /* we don't support ipv6addr/128 type proxying */ 86862590Sitojun memset(&so_mask.sin6_addr, 0xff, sizeof(so_mask.sin6_addr)); 86955505Sshin NEXTADDR(RTA_NETMASK, so_mask); 870151473Ssuz#endif 87155505Sshin 87255505Sshin rtm->rtm_msglen = cp - (char *)&m_rtmsg; 87355505Sshindoit: 87455505Sshin l = rtm->rtm_msglen; 87555505Sshin rtm->rtm_seq = ++seq; 87655505Sshin rtm->rtm_type = cmd; 87755505Sshin if ((rlen = write(s, (char *)&m_rtmsg, l)) < 0) { 87855505Sshin if (errno != ESRCH || cmd != RTM_DELETE) { 879121156Sume err(1, "writing to routing socket"); 880121156Sume /* NOTREACHED */ 88155505Sshin } 88255505Sshin } 88355505Sshin do { 88455505Sshin l = read(s, (char *)&m_rtmsg, sizeof(m_rtmsg)); 88555505Sshin } while (l > 0 && (rtm->rtm_seq != seq || rtm->rtm_pid != pid)); 88655505Sshin if (l < 0) 88755505Sshin (void) fprintf(stderr, "ndp: read from routing socket: %s\n", 88855505Sshin strerror(errno)); 88955505Sshin return (0); 89055505Sshin} 89155505Sshin 89255505Sshinvoid 893259169Saeifinfo(char *ifname, int argc, char **argv) 89455505Sshin{ 89555505Sshin struct in6_ndireq nd; 89662590Sitojun int i, s; 89762590Sitojun u_int32_t newflags; 89878064Sume#ifdef IPV6CTL_USETEMPADDR 89978064Sume u_int8_t nullbuf[8]; 90078064Sume#endif 90155505Sshin 90255505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 903121156Sume err(1, "socket"); 904121156Sume /* NOTREACHED */ 90555505Sshin } 90655505Sshin bzero(&nd, sizeof(nd)); 907121156Sume strlcpy(nd.ifname, ifname, sizeof(nd.ifname)); 90855505Sshin if (ioctl(s, SIOCGIFINFO_IN6, (caddr_t)&nd) < 0) { 909121156Sume err(1, "ioctl(SIOCGIFINFO_IN6)"); 910121156Sume /* NOTREACHED */ 911122615Sume } 91262590Sitojun#define ND nd.ndi 91362590Sitojun newflags = ND.flags; 914122615Sume for (i = 0; i < argc; i++) { 91562590Sitojun int clear = 0; 91662590Sitojun char *cp = argv[i]; 91762590Sitojun 91862590Sitojun if (*cp == '-') { 91962590Sitojun clear = 1; 92062590Sitojun cp++; 92162590Sitojun } 92262590Sitojun 92362590Sitojun#define SETFLAG(s, f) \ 92462590Sitojun do {\ 92562590Sitojun if (strcmp(cp, (s)) == 0) {\ 92662590Sitojun if (clear)\ 92762590Sitojun newflags &= ~(f);\ 92862590Sitojun else\ 92962590Sitojun newflags |= (f);\ 93062590Sitojun }\ 93162590Sitojun } while (0) 932151468Ssuz/* 933151468Ssuz * XXX: this macro is not 100% correct, in that it matches "nud" against 934151468Ssuz * "nudbogus". But we just let it go since this is minor. 935151468Ssuz */ 936151468Ssuz#define SETVALUE(f, v) \ 937151468Ssuz do { \ 938151468Ssuz char *valptr; \ 939151468Ssuz unsigned long newval; \ 940151468Ssuz v = 0; /* unspecified */ \ 941151468Ssuz if (strncmp(cp, f, strlen(f)) == 0) { \ 942151468Ssuz valptr = strchr(cp, '='); \ 943151468Ssuz if (valptr == NULL) \ 944151468Ssuz err(1, "syntax error in %s field", (f)); \ 945151468Ssuz errno = 0; \ 946151468Ssuz newval = strtoul(++valptr, NULL, 0); \ 947151468Ssuz if (errno) \ 948151468Ssuz err(1, "syntax error in %s's value", (f)); \ 949151468Ssuz v = newval; \ 950151468Ssuz } \ 951151468Ssuz } while (0) 952151468Ssuz 953151474Ssuz SETFLAG("disabled", ND6_IFF_IFDISABLED); 95462590Sitojun SETFLAG("nud", ND6_IFF_PERFORMNUD); 955118498Sume#ifdef ND6_IFF_ACCEPT_RTADV 956118498Sume SETFLAG("accept_rtadv", ND6_IFF_ACCEPT_RTADV); 957118498Sume#endif 958197138Shrs#ifdef ND6_IFF_AUTO_LINKLOCAL 959197138Shrs SETFLAG("auto_linklocal", ND6_IFF_AUTO_LINKLOCAL); 960197138Shrs#endif 961245230Sume#ifdef ND6_IFF_NO_PREFER_IFACE 962245230Sume SETFLAG("no_prefer_iface", ND6_IFF_NO_PREFER_IFACE); 963245230Sume#endif 964151468Ssuz SETVALUE("basereachable", ND.basereachable); 965151468Ssuz SETVALUE("retrans", ND.retrans); 966151468Ssuz SETVALUE("curhlim", ND.chlim); 96762590Sitojun 96862590Sitojun ND.flags = newflags; 969151468Ssuz if (ioctl(s, SIOCSIFINFO_IN6, (caddr_t)&nd) < 0) { 970151468Ssuz err(1, "ioctl(SIOCSIFINFO_IN6)"); 971121156Sume /* NOTREACHED */ 97262590Sitojun } 97362590Sitojun#undef SETFLAG 974151468Ssuz#undef SETVALUE 97562590Sitojun } 97662590Sitojun 977121162Sume if (!ND.initialized) { 978121162Sume errx(1, "%s: not initialized yet", ifname); 979121162Sume /* NOTREACHED */ 980121162Sume } 981121162Sume 982151468Ssuz if (ioctl(s, SIOCGIFINFO_IN6, (caddr_t)&nd) < 0) { 983151468Ssuz err(1, "ioctl(SIOCGIFINFO_IN6)"); 984151468Ssuz /* NOTREACHED */ 985151468Ssuz } 98655505Sshin printf("linkmtu=%d", ND.linkmtu); 987121471Sume printf(", maxmtu=%d", ND.maxmtu); 98855505Sshin printf(", curhlim=%d", ND.chlim); 98955505Sshin printf(", basereachable=%ds%dms", 990121156Sume ND.basereachable / 1000, ND.basereachable % 1000); 99155505Sshin printf(", reachable=%ds", ND.reachable); 99262590Sitojun printf(", retrans=%ds%dms", ND.retrans / 1000, ND.retrans % 1000); 99378064Sume#ifdef IPV6CTL_USETEMPADDR 99478064Sume memset(nullbuf, 0, sizeof(nullbuf)); 99578064Sume if (memcmp(nullbuf, ND.randomid, sizeof(nullbuf)) != 0) { 99678064Sume int j; 99778064Sume u_int8_t *rbuf; 99878064Sume 99978064Sume for (i = 0; i < 3; i++) { 1000121156Sume switch (i) { 100178064Sume case 0: 100278064Sume printf("\nRandom seed(0): "); 100378064Sume rbuf = ND.randomseed0; 100478064Sume break; 100578064Sume case 1: 100678064Sume printf("\nRandom seed(1): "); 100778064Sume rbuf = ND.randomseed1; 100878064Sume break; 100978064Sume case 2: 101078064Sume printf("\nRandom ID: "); 101178064Sume rbuf = ND.randomid; 101278064Sume break; 1013151472Ssuz default: 1014151472Ssuz errx(1, "impossible case for tempaddr display"); 101578064Sume } 101678064Sume for (j = 0; j < 8; j++) 101778064Sume printf("%02x", rbuf[j]); 101878064Sume } 101978064Sume } 102078064Sume#endif 102162590Sitojun if (ND.flags) { 102262590Sitojun printf("\nFlags: "); 1023151474Ssuz#ifdef ND6_IFF_IFDISABLED 1024151474Ssuz if ((ND.flags & ND6_IFF_IFDISABLED)) 1025151474Ssuz printf("disabled "); 1026151474Ssuz#endif 1027118498Sume if ((ND.flags & ND6_IFF_PERFORMNUD)) 1028118498Sume printf("nud "); 1029118498Sume#ifdef ND6_IFF_ACCEPT_RTADV 1030118498Sume if ((ND.flags & ND6_IFF_ACCEPT_RTADV)) 1031118498Sume printf("accept_rtadv "); 1032118498Sume#endif 1033197138Shrs#ifdef ND6_IFF_AUTO_LINKLOCAL 1034197138Shrs if ((ND.flags & ND6_IFF_AUTO_LINKLOCAL)) 1035197138Shrs printf("auto_linklocal "); 1036197138Shrs#endif 1037245230Sume#ifdef ND6_IFF_NO_PREFER_IFACE 1038245230Sume if ((ND.flags & ND6_IFF_NO_PREFER_IFACE)) 1039245230Sume printf("no_prefer_iface "); 1040245230Sume#endif 1041122615Sume } 104262590Sitojun putc('\n', stdout); 104355505Sshin#undef ND 1044121156Sume 104555505Sshin close(s); 104655505Sshin} 104755505Sshin 104878064Sume#ifndef ND_RA_FLAG_RTPREF_MASK /* XXX: just for compilation on *BSD release */ 104978064Sume#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */ 105078064Sume#endif 105178064Sume 105255505Sshinvoid 105355505Sshinrtrlist() 105455505Sshin{ 105578064Sume#ifdef ICMPV6CTL_ND6_DRLIST 105678064Sume int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_DRLIST }; 105778064Sume char *buf; 105878064Sume struct in6_defrouter *p, *ep; 105978064Sume size_t l; 1060253999Shrs struct timeval now; 106178064Sume 106278064Sume if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), NULL, &l, NULL, 0) < 0) { 106378064Sume err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)"); 106478064Sume /*NOTREACHED*/ 106578064Sume } 1066151472Ssuz if (l == 0) 1067151472Ssuz return; 106878064Sume buf = malloc(l); 106978064Sume if (!buf) { 1070121156Sume err(1, "malloc"); 107178064Sume /*NOTREACHED*/ 107278064Sume } 107378064Sume if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &l, NULL, 0) < 0) { 107478064Sume err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)"); 107578064Sume /*NOTREACHED*/ 107678064Sume } 107778064Sume 107878064Sume ep = (struct in6_defrouter *)(buf + l); 107978064Sume for (p = (struct in6_defrouter *)buf; p < ep; p++) { 108078064Sume int rtpref; 108178064Sume 108278064Sume if (getnameinfo((struct sockaddr *)&p->rtaddr, 108378064Sume p->rtaddr.sin6_len, host_buf, sizeof(host_buf), NULL, 0, 1084121156Sume (nflag ? NI_NUMERICHOST : 0)) != 0) 108578064Sume strlcpy(host_buf, "?", sizeof(host_buf)); 1086121156Sume 108778064Sume printf("%s if=%s", host_buf, 1088121156Sume if_indextoname(p->if_index, ifix_buf)); 108978064Sume printf(", flags=%s%s", 1090121156Sume p->flags & ND_RA_FLAG_MANAGED ? "M" : "", 1091121156Sume p->flags & ND_RA_FLAG_OTHER ? "O" : ""); 109278064Sume rtpref = ((p->flags & ND_RA_FLAG_RTPREF_MASK) >> 3) & 0xff; 109378064Sume printf(", pref=%s", rtpref_str[rtpref]); 1094121156Sume 1095253999Shrs gettimeofday(&now, 0); 109678064Sume if (p->expire == 0) 109778064Sume printf(", expire=Never\n"); 109878064Sume else 109978064Sume printf(", expire=%s\n", 1100253970Shrs sec2str(p->expire - now.tv_sec)); 110178064Sume } 110278064Sume free(buf); 110378064Sume#else 110455505Sshin struct in6_drlist dr; 110555505Sshin int s, i; 1106253999Shrs struct timeval now; 110755505Sshin 110855505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1109121156Sume err(1, "socket"); 1110121156Sume /* NOTREACHED */ 111155505Sshin } 111255505Sshin bzero(&dr, sizeof(dr)); 1113121156Sume strlcpy(dr.ifname, "lo0", sizeof(dr.ifname)); /* dummy */ 111455505Sshin if (ioctl(s, SIOCGDRLST_IN6, (caddr_t)&dr) < 0) { 1115121156Sume err(1, "ioctl(SIOCGDRLST_IN6)"); 1116121156Sume /* NOTREACHED */ 1117121156Sume } 111862590Sitojun#define DR dr.defrouter[i] 111978064Sume for (i = 0 ; DR.if_index && i < DRLSTSIZ ; i++) { 112055505Sshin struct sockaddr_in6 sin6; 112155505Sshin 112255505Sshin bzero(&sin6, sizeof(sin6)); 112355505Sshin sin6.sin6_family = AF_INET6; 112455505Sshin sin6.sin6_len = sizeof(sin6); 112555505Sshin sin6.sin6_addr = DR.rtaddr; 112655505Sshin getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, host_buf, 1127121156Sume sizeof(host_buf), NULL, 0, 1128121156Sume (nflag ? NI_NUMERICHOST : 0)); 1129121156Sume 113055505Sshin printf("%s if=%s", host_buf, 1131121156Sume if_indextoname(DR.if_index, ifix_buf)); 113255505Sshin printf(", flags=%s%s", 1133121156Sume DR.flags & ND_RA_FLAG_MANAGED ? "M" : "", 1134121156Sume DR.flags & ND_RA_FLAG_OTHER ? "O" : ""); 1135253999Shrs gettimeofday(&now, 0); 113655505Sshin if (DR.expire == 0) 113755505Sshin printf(", expire=Never\n"); 113855505Sshin else 113955505Sshin printf(", expire=%s\n", 1140253970Shrs sec2str(DR.expire - now.tv_sec)); 114155505Sshin } 114255505Sshin#undef DR 114355505Sshin close(s); 114478064Sume#endif 114555505Sshin} 114655505Sshin 114755505Sshinvoid 114855505Sshinplist() 114955505Sshin{ 115078064Sume#ifdef ICMPV6CTL_ND6_PRLIST 115178064Sume int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_PRLIST }; 115278064Sume char *buf; 115378064Sume struct in6_prefix *p, *ep, *n; 115478064Sume struct sockaddr_in6 *advrtr; 115578064Sume size_t l; 1156253999Shrs struct timeval now; 115778064Sume const int niflags = NI_NUMERICHOST; 115878064Sume int ninflags = nflag ? NI_NUMERICHOST : 0; 115978064Sume char namebuf[NI_MAXHOST]; 116078064Sume 116178064Sume if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), NULL, &l, NULL, 0) < 0) { 116278064Sume err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)"); 116378064Sume /*NOTREACHED*/ 116478064Sume } 116578064Sume buf = malloc(l); 116678064Sume if (!buf) { 1167121156Sume err(1, "malloc"); 116878064Sume /*NOTREACHED*/ 116978064Sume } 117078064Sume if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &l, NULL, 0) < 0) { 117178064Sume err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)"); 117278064Sume /*NOTREACHED*/ 117378064Sume } 117478064Sume 117578064Sume ep = (struct in6_prefix *)(buf + l); 117678064Sume for (p = (struct in6_prefix *)buf; p < ep; p = n) { 117778064Sume advrtr = (struct sockaddr_in6 *)(p + 1); 117878064Sume n = (struct in6_prefix *)&advrtr[p->advrtrs]; 117978064Sume 118078064Sume if (getnameinfo((struct sockaddr *)&p->prefix, 118178064Sume p->prefix.sin6_len, namebuf, sizeof(namebuf), 118278064Sume NULL, 0, niflags) != 0) 118378064Sume strlcpy(namebuf, "?", sizeof(namebuf)); 118478064Sume printf("%s/%d if=%s\n", namebuf, p->prefixlen, 1185121156Sume if_indextoname(p->if_index, ifix_buf)); 118678064Sume 1187253999Shrs gettimeofday(&now, 0); 118878064Sume /* 118978064Sume * meaning of fields, especially flags, is very different 119078064Sume * by origin. notify the difference to the users. 119178064Sume */ 119278064Sume printf("flags=%s%s%s%s%s", 1193121156Sume p->raflags.onlink ? "L" : "", 1194121156Sume p->raflags.autonomous ? "A" : "", 1195121156Sume (p->flags & NDPRF_ONLINK) != 0 ? "O" : "", 1196121156Sume (p->flags & NDPRF_DETACHED) != 0 ? "D" : "", 119778064Sume#ifdef NDPRF_HOME 1198121156Sume (p->flags & NDPRF_HOME) != 0 ? "H" : "" 119978064Sume#else 1200121156Sume "" 120178064Sume#endif 1202121156Sume ); 120378064Sume if (p->vltime == ND6_INFINITE_LIFETIME) 120478064Sume printf(" vltime=infinity"); 120578064Sume else 1206122615Sume printf(" vltime=%lu", (unsigned long)p->vltime); 120778064Sume if (p->pltime == ND6_INFINITE_LIFETIME) 120878064Sume printf(", pltime=infinity"); 120978064Sume else 1210122615Sume printf(", pltime=%lu", (unsigned long)p->pltime); 121178064Sume if (p->expire == 0) 121278064Sume printf(", expire=Never"); 1213253970Shrs else if (p->expire >= now.tv_sec) 121478064Sume printf(", expire=%s", 1215253970Shrs sec2str(p->expire - now.tv_sec)); 121678064Sume else 121778064Sume printf(", expired"); 121878064Sume printf(", ref=%d", p->refcnt); 121978064Sume printf("\n"); 122078064Sume /* 122178064Sume * "advertising router" list is meaningful only if the prefix 122278064Sume * information is from RA. 122378064Sume */ 122478064Sume if (p->advrtrs) { 122578064Sume int j; 122678064Sume struct sockaddr_in6 *sin6; 122778064Sume 1228122615Sume sin6 = advrtr; 122978064Sume printf(" advertised by\n"); 123078064Sume for (j = 0; j < p->advrtrs; j++) { 123178064Sume struct in6_nbrinfo *nbi; 123278064Sume 123378064Sume if (getnameinfo((struct sockaddr *)sin6, 123478064Sume sin6->sin6_len, namebuf, sizeof(namebuf), 123578064Sume NULL, 0, ninflags) != 0) 123678064Sume strlcpy(namebuf, "?", sizeof(namebuf)); 123778064Sume printf(" %s", namebuf); 123878064Sume 1239121156Sume nbi = getnbrinfo(&sin6->sin6_addr, 1240121156Sume p->if_index, 0); 124178064Sume if (nbi) { 1242121156Sume switch (nbi->state) { 124378064Sume case ND6_LLINFO_REACHABLE: 124478064Sume case ND6_LLINFO_STALE: 124578064Sume case ND6_LLINFO_DELAY: 124678064Sume case ND6_LLINFO_PROBE: 124778064Sume printf(" (reachable)\n"); 124878064Sume break; 124978064Sume default: 125078064Sume printf(" (unreachable)\n"); 125178064Sume } 125278064Sume } else 125378064Sume printf(" (no neighbor state)\n"); 125478064Sume sin6++; 125578064Sume } 125678064Sume } else 125778064Sume printf(" No advertising router\n"); 125878064Sume } 125978064Sume free(buf); 126078064Sume#else 126155505Sshin struct in6_prlist pr; 126255505Sshin int s, i; 1263253999Shrs struct timeval now; 126455505Sshin 1265253999Shrs gettimeofday(&now, 0); 126655505Sshin 126755505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1268121156Sume err(1, "socket"); 1269121156Sume /* NOTREACHED */ 127055505Sshin } 127155505Sshin bzero(&pr, sizeof(pr)); 1272121156Sume strlcpy(pr.ifname, "lo0", sizeof(pr.ifname)); /* dummy */ 127355505Sshin if (ioctl(s, SIOCGPRLST_IN6, (caddr_t)&pr) < 0) { 1274121156Sume err(1, "ioctl(SIOCGPRLST_IN6)"); 1275121156Sume /* NOTREACHED */ 1276121156Sume } 127762590Sitojun#define PR pr.prefix[i] 127855505Sshin for (i = 0; PR.if_index && i < PRLSTSIZ ; i++) { 127978064Sume struct sockaddr_in6 p6; 128078064Sume char namebuf[NI_MAXHOST]; 128178064Sume int niflags; 128278064Sume 128378064Sume#ifdef NDPRF_ONLINK 128478064Sume p6 = PR.prefix; 128578064Sume#else 128678064Sume memset(&p6, 0, sizeof(p6)); 128778064Sume p6.sin6_family = AF_INET6; 128878064Sume p6.sin6_len = sizeof(p6); 128978064Sume p6.sin6_addr = PR.prefix; 129078064Sume#endif 129178064Sume niflags = NI_NUMERICHOST; 129278064Sume if (getnameinfo((struct sockaddr *)&p6, 1293121156Sume sizeof(p6), namebuf, sizeof(namebuf), 1294121156Sume NULL, 0, niflags)) { 129578064Sume warnx("getnameinfo failed"); 129678064Sume continue; 129778064Sume } 129878064Sume printf("%s/%d if=%s\n", namebuf, PR.prefixlen, 1299121156Sume if_indextoname(PR.if_index, ifix_buf)); 130078064Sume 1301253999Shrs gettimeofday(&now, 0); 130262590Sitojun /* 130362590Sitojun * meaning of fields, especially flags, is very different 130462590Sitojun * by origin. notify the difference to the users. 130562590Sitojun */ 130678064Sume#if 0 130778064Sume printf(" %s", 1308121156Sume PR.origin == PR_ORIG_RA ? "" : "advertise: "); 130978064Sume#endif 131078064Sume#ifdef NDPRF_ONLINK 131178064Sume printf("flags=%s%s%s%s%s", 1312121156Sume PR.raflags.onlink ? "L" : "", 1313121156Sume PR.raflags.autonomous ? "A" : "", 1314121156Sume (PR.flags & NDPRF_ONLINK) != 0 ? "O" : "", 1315121156Sume (PR.flags & NDPRF_DETACHED) != 0 ? "D" : "", 131678064Sume#ifdef NDPRF_HOME 1317121156Sume (PR.flags & NDPRF_HOME) != 0 ? "H" : "" 131878064Sume#else 1319121156Sume "" 132078064Sume#endif 1321121156Sume ); 132278064Sume#else 132362590Sitojun printf("flags=%s%s", 1324121156Sume PR.raflags.onlink ? "L" : "", 1325121156Sume PR.raflags.autonomous ? "A" : ""); 132678064Sume#endif 132755505Sshin if (PR.vltime == ND6_INFINITE_LIFETIME) 132855505Sshin printf(" vltime=infinity"); 132955505Sshin else 1330122615Sume printf(" vltime=%lu", PR.vltime); 133155505Sshin if (PR.pltime == ND6_INFINITE_LIFETIME) 133255505Sshin printf(", pltime=infinity"); 133355505Sshin else 1334122615Sume printf(", pltime=%lu", PR.pltime); 133555505Sshin if (PR.expire == 0) 133662590Sitojun printf(", expire=Never"); 1337253970Shrs else if (PR.expire >= now.tv_sec) 133862590Sitojun printf(", expire=%s", 1339253970Shrs sec2str(PR.expire - now.tv_sec)); 134055505Sshin else 134162590Sitojun printf(", expired"); 134278064Sume#ifdef NDPRF_ONLINK 134378064Sume printf(", ref=%d", PR.refcnt); 134478064Sume#endif 134578064Sume#if 0 134662590Sitojun switch (PR.origin) { 134762590Sitojun case PR_ORIG_RA: 134862590Sitojun printf(", origin=RA"); 134962590Sitojun break; 135062590Sitojun case PR_ORIG_RR: 135162590Sitojun printf(", origin=RR"); 135262590Sitojun break; 135362590Sitojun case PR_ORIG_STATIC: 135462590Sitojun printf(", origin=static"); 135562590Sitojun break; 135662590Sitojun case PR_ORIG_KERNEL: 135762590Sitojun printf(", origin=kernel"); 135862590Sitojun break; 135962590Sitojun default: 136062590Sitojun printf(", origin=?"); 136162590Sitojun break; 136262590Sitojun } 136378064Sume#endif 136462590Sitojun printf("\n"); 136562590Sitojun /* 136662590Sitojun * "advertising router" list is meaningful only if the prefix 136762590Sitojun * information is from RA. 136862590Sitojun */ 136978064Sume if (0 && /* prefix origin is almost obsolted */ 137078064Sume PR.origin != PR_ORIG_RA) 137162590Sitojun ; 137262590Sitojun else if (PR.advrtrs) { 137355505Sshin int j; 137455505Sshin printf(" advertised by\n"); 137555505Sshin for (j = 0; j < PR.advrtrs; j++) { 137655505Sshin struct sockaddr_in6 sin6; 137762590Sitojun struct in6_nbrinfo *nbi; 137855505Sshin 137955505Sshin bzero(&sin6, sizeof(sin6)); 138055505Sshin sin6.sin6_family = AF_INET6; 138155505Sshin sin6.sin6_len = sizeof(sin6); 138255505Sshin sin6.sin6_addr = PR.advrtr[j]; 138362590Sitojun sin6.sin6_scope_id = PR.if_index; /* XXX */ 138455505Sshin getnameinfo((struct sockaddr *)&sin6, 1385121156Sume sin6.sin6_len, host_buf, 1386121156Sume sizeof(host_buf), NULL, 0, 1387121156Sume (nflag ? NI_NUMERICHOST : 0)); 138862590Sitojun printf(" %s", host_buf); 138955505Sshin 1390121156Sume nbi = getnbrinfo(&sin6.sin6_addr, 1391121156Sume PR.if_index, 0); 139262590Sitojun if (nbi) { 1393121156Sume switch (nbi->state) { 1394121156Sume case ND6_LLINFO_REACHABLE: 1395121156Sume case ND6_LLINFO_STALE: 1396121156Sume case ND6_LLINFO_DELAY: 1397121156Sume case ND6_LLINFO_PROBE: 139862590Sitojun printf(" (reachable)\n"); 139962590Sitojun break; 1400121156Sume default: 140162590Sitojun printf(" (unreachable)\n"); 140262590Sitojun } 140378064Sume } else 140462590Sitojun printf(" (no neighbor state)\n"); 140555505Sshin } 140655505Sshin if (PR.advrtrs > DRLSTSIZ) 140755505Sshin printf(" and %d routers\n", 1408121156Sume PR.advrtrs - DRLSTSIZ); 140962590Sitojun } else 141055505Sshin printf(" No advertising router\n"); 141155505Sshin } 141255505Sshin#undef PR 141355505Sshin close(s); 141478064Sume#endif 141555505Sshin} 141655505Sshin 141755505Sshinvoid 141855505Sshinpfx_flush() 141955505Sshin{ 142055505Sshin char dummyif[IFNAMSIZ+8]; 142155505Sshin int s; 142255505Sshin 142355505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 142455505Sshin err(1, "socket"); 1425121156Sume strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */ 142655505Sshin if (ioctl(s, SIOCSPFXFLUSH_IN6, (caddr_t)&dummyif) < 0) 1427121156Sume err(1, "ioctl(SIOCSPFXFLUSH_IN6)"); 142855505Sshin} 142955505Sshin 143055505Sshinvoid 143155505Sshinrtr_flush() 143255505Sshin{ 143355505Sshin char dummyif[IFNAMSIZ+8]; 143455505Sshin int s; 143555505Sshin 143655505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 143755505Sshin err(1, "socket"); 1438121156Sume strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */ 143955505Sshin if (ioctl(s, SIOCSRTRFLUSH_IN6, (caddr_t)&dummyif) < 0) 1440121156Sume err(1, "ioctl(SIOCSRTRFLUSH_IN6)"); 144162590Sitojun 144262590Sitojun close(s); 144355505Sshin} 144455505Sshin 144555505Sshinvoid 144655505Sshinharmonize_rtr() 144755505Sshin{ 144855505Sshin char dummyif[IFNAMSIZ+8]; 144955505Sshin int s; 145055505Sshin 145162590Sitojun if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 145262590Sitojun err(1, "socket"); 1453121156Sume strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */ 145462590Sitojun if (ioctl(s, SIOCSNDFLUSH_IN6, (caddr_t)&dummyif) < 0) 1455121156Sume err(1, "ioctl(SIOCSNDFLUSH_IN6)"); 145662590Sitojun 145762590Sitojun close(s); 145855505Sshin} 145955505Sshin 146062590Sitojun#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */ 146162590Sitojunstatic void 1462259169Saesetdefif(char *ifname) 146362590Sitojun{ 146462590Sitojun struct in6_ndifreq ndifreq; 146562590Sitojun unsigned int ifindex; 146662590Sitojun 146762590Sitojun if (strcasecmp(ifname, "delete") == 0) 146862590Sitojun ifindex = 0; 146962590Sitojun else { 147062590Sitojun if ((ifindex = if_nametoindex(ifname)) == 0) 147162590Sitojun err(1, "failed to resolve i/f index for %s", ifname); 147262590Sitojun } 147362590Sitojun 147462590Sitojun if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 147562590Sitojun err(1, "socket"); 147662590Sitojun 1477121156Sume strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */ 147862590Sitojun ndifreq.ifindex = ifindex; 147962590Sitojun 148062590Sitojun if (ioctl(s, SIOCSDEFIFACE_IN6, (caddr_t)&ndifreq) < 0) 1481121156Sume err(1, "ioctl(SIOCSDEFIFACE_IN6)"); 148262590Sitojun 148362590Sitojun close(s); 148462590Sitojun} 148562590Sitojun 148662590Sitojunstatic void 148762590Sitojungetdefif() 148862590Sitojun{ 148962590Sitojun struct in6_ndifreq ndifreq; 149062590Sitojun char ifname[IFNAMSIZ+8]; 149162590Sitojun 149262590Sitojun if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 149362590Sitojun err(1, "socket"); 149462590Sitojun 149562590Sitojun memset(&ndifreq, 0, sizeof(ndifreq)); 1496121156Sume strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */ 149762590Sitojun 149862590Sitojun if (ioctl(s, SIOCGDEFIFACE_IN6, (caddr_t)&ndifreq) < 0) 1499121156Sume err(1, "ioctl(SIOCGDEFIFACE_IN6)"); 150062590Sitojun 150162590Sitojun if (ndifreq.ifindex == 0) 150262590Sitojun printf("No default interface.\n"); 150362590Sitojun else { 150462590Sitojun if ((if_indextoname(ndifreq.ifindex, ifname)) == NULL) 150562590Sitojun err(1, "failed to resolve ifname for index %lu", 150662590Sitojun ndifreq.ifindex); 150762590Sitojun printf("ND default interface = %s\n", ifname); 150862590Sitojun } 150962590Sitojun 151062590Sitojun close(s); 151162590Sitojun} 151262590Sitojun#endif 151362590Sitojun 151455505Sshinstatic char * 1515259169Saesec2str(time_t total) 151655505Sshin{ 151755505Sshin static char result[256]; 151855505Sshin int days, hours, mins, secs; 151955505Sshin int first = 1; 152055505Sshin char *p = result; 1521121156Sume char *ep = &result[sizeof(result)]; 1522121156Sume int n; 152355505Sshin 152455505Sshin days = total / 3600 / 24; 152555505Sshin hours = (total / 3600) % 24; 152655505Sshin mins = (total / 60) % 60; 152755505Sshin secs = total % 60; 152855505Sshin 152955505Sshin if (days) { 153055505Sshin first = 0; 1531121156Sume n = snprintf(p, ep - p, "%dd", days); 1532121156Sume if (n < 0 || n >= ep - p) 1533121156Sume return "?"; 1534121156Sume p += n; 153555505Sshin } 153655505Sshin if (!first || hours) { 153755505Sshin first = 0; 1538121156Sume n = snprintf(p, ep - p, "%dh", hours); 1539121156Sume if (n < 0 || n >= ep - p) 1540121156Sume return "?"; 1541121156Sume p += n; 154255505Sshin } 154355505Sshin if (!first || mins) { 154455505Sshin first = 0; 1545121156Sume n = snprintf(p, ep - p, "%dm", mins); 1546121156Sume if (n < 0 || n >= ep - p) 1547121156Sume return "?"; 1548121156Sume p += n; 154955505Sshin } 1550121156Sume snprintf(p, ep - p, "%ds", secs); 155155505Sshin 155255505Sshin return(result); 155355505Sshin} 155455505Sshin 155555505Sshin/* 155655505Sshin * Print the timestamp 155755505Sshin * from tcpdump/util.c 155855505Sshin */ 155955505Sshinstatic void 1560259169Saets_print(const struct timeval *tvp) 156155505Sshin{ 156255505Sshin int s; 156355505Sshin 156455505Sshin /* Default */ 1565253999Shrs s = (tvp->tv_sec + thiszone) % 86400; 156655505Sshin (void)printf("%02d:%02d:%02d.%06u ", 1567253999Shrs s / 3600, (s % 3600) / 60, s % 60, (u_int32_t)tvp->tv_usec); 156855505Sshin} 1569186119Sqingli 1570186119Sqingli#undef NEXTADDR 1571