ndp.c revision 186500
162590Sitojun/* $FreeBSD: head/usr.sbin/ndp/ndp.c 186500 2008-12-26 19:45:24Z qingli $ */ 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> 8255505Sshin#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 11255505Sshin/* packing rule for routing socket */ 11362590Sitojun#define ROUNDUP(a) \ 11455505Sshin ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long)) 11562590Sitojun#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len)) 11655505Sshin 117186119Sqingli#define NEXTADDR(w, s) \ 118186119Sqingli if (rtm->rtm_addrs & (w)) { \ 119186119Sqingli bcopy((char *)&s, cp, sizeof(s)); cp += sizeof(s);} 120186119Sqingli 121186119Sqingli 122100650Sjmallettstatic pid_t pid; 12362590Sitojunstatic int nflag; 12462590Sitojunstatic int tflag; 12562590Sitojunstatic int32_t thiszone; /* time difference with gmt */ 12662590Sitojunstatic int s = -1; 12762590Sitojunstatic int repeat = 0; 12855505Sshin 12962590Sitojunchar ntop_buf[INET6_ADDRSTRLEN]; /* inet_ntop() */ 13062590Sitojunchar host_buf[NI_MAXHOST]; /* getnameinfo() */ 13162590Sitojunchar ifix_buf[IFNAMSIZ]; /* if_indextoname() */ 13255505Sshin 133173412Skevloint main(int, char **); 134173412Skevloint file(char *); 135173412Skevlovoid getsocket(void); 136173412Skevloint set(int, char **); 137173412Skevlovoid get(char *); 138173412Skevloint delete(char *); 139173412Skevlovoid dump(struct in6_addr *, int); 140173412Skevlostatic struct in6_nbrinfo *getnbrinfo(struct in6_addr *, int, int); 141173412Skevlostatic char *ether_str(struct sockaddr_dl *); 142173412Skevloint ndp_ether_aton(char *, u_char *); 143173412Skevlovoid usage(void); 144173412Skevloint rtmsg(int); 145173412Skevlovoid ifinfo(char *, int, char **); 146173412Skevlovoid rtrlist(void); 147173412Skevlovoid plist(void); 148173412Skevlovoid pfx_flush(void); 149173412Skevlovoid rtr_flush(void); 150173412Skevlovoid harmonize_rtr(void); 15162590Sitojun#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */ 152173412Skevlostatic void getdefif(void); 153173412Skevlostatic void setdefif(char *); 15462590Sitojun#endif 155173412Skevlostatic char *sec2str(time_t); 156173412Skevlostatic char *ether_str(struct sockaddr_dl *); 157173412Skevlostatic void ts_print(const struct timeval *); 15855505Sshin 159122615Sume#ifdef ICMPV6CTL_ND6_DRLIST 16078064Sumestatic char *rtpref_str[] = { 16178064Sume "medium", /* 00 */ 16278064Sume "high", /* 01 */ 16378064Sume "rsv", /* 10 */ 16478064Sume "low" /* 11 */ 16578064Sume}; 166122615Sume#endif 16778064Sume 168122615Sumeint mode = 0; 169122615Sumechar *arg = NULL; 170122615Sume 17155505Sshinint 17255505Sshinmain(argc, argv) 17355505Sshin int argc; 17455505Sshin char **argv; 17555505Sshin{ 17655505Sshin int ch; 17755505Sshin 17855505Sshin pid = getpid(); 17955505Sshin thiszone = gmt2local(0); 180122615Sume while ((ch = getopt(argc, argv, "acd:f:Ii:nprstA:HPR")) != -1) 181121156Sume switch (ch) { 18255505Sshin case 'a': 18355505Sshin case 'c': 184122615Sume case 'p': 185122615Sume case 'r': 186122615Sume case 'H': 187122615Sume case 'P': 188122615Sume case 'R': 189122615Sume case 's': 190122615Sume case 'I': 191122615Sume if (mode) { 192122615Sume usage(); 193122615Sume /*NOTREACHED*/ 194122615Sume } 195122615Sume mode = ch; 196122615Sume arg = NULL; 19755505Sshin break; 19855505Sshin case 'd': 199122615Sume case 'f': 20055505Sshin case 'i' : 201122615Sume if (mode) { 20255505Sshin usage(); 203122615Sume /*NOTREACHED*/ 204122615Sume } 205122615Sume mode = ch; 206122615Sume arg = optarg; 207122615Sume break; 20855505Sshin case 'n': 20955505Sshin nflag = 1; 21055505Sshin break; 21155505Sshin case 't': 21255505Sshin tflag = 1; 21355505Sshin break; 21455505Sshin case 'A': 215122615Sume if (mode) { 216122615Sume usage(); 217122615Sume /*NOTREACHED*/ 218122615Sume } 219122615Sume mode = 'a'; 22055505Sshin repeat = atoi(optarg); 221122615Sume if (repeat < 0) { 22255505Sshin usage(); 223122615Sume /*NOTREACHED*/ 224122615Sume } 22555505Sshin break; 22655505Sshin default: 22755505Sshin usage(); 22855505Sshin } 22955505Sshin 23055505Sshin argc -= optind; 23155505Sshin argv += optind; 23255505Sshin 233122615Sume switch (mode) { 234122615Sume case 'a': 235122615Sume case 'c': 236122615Sume if (argc != 0) { 23755505Sshin usage(); 238122615Sume /*NOTREACHED*/ 239122615Sume } 240122615Sume dump(0, mode == 'c'); 241122615Sume break; 242122615Sume case 'd': 243122615Sume if (argc != 0) { 244122615Sume usage(); 245122615Sume /*NOTREACHED*/ 246122615Sume } 247122615Sume delete(arg); 248122615Sume break; 249122615Sume case 'I': 250122615Sume#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */ 251122615Sume if (argc > 1) { 252122615Sume usage(); 253122615Sume /*NOTREACHED*/ 254122615Sume } else if (argc == 1) { 255122615Sume if (strcmp(*argv, "delete") == 0 || 256122615Sume if_nametoindex(*argv)) 257122615Sume setdefif(*argv); 258122615Sume else 259122615Sume errx(1, "invalid interface %s", *argv); 260122615Sume } 261122615Sume getdefif(); /* always call it to print the result */ 262122615Sume break; 263122615Sume#else 264122615Sume errx(1, "not supported yet"); 265122615Sume /*NOTREACHED*/ 266122615Sume#endif 267122615Sume case 'p': 268122615Sume if (argc != 0) { 269122615Sume usage(); 270122615Sume /*NOTREACHED*/ 271122615Sume } 27255505Sshin plist(); 273122615Sume break; 274122615Sume case 'i': 275122615Sume ifinfo(arg, argc, argv); 276122615Sume break; 277122615Sume case 'r': 278122615Sume if (argc != 0) { 279122615Sume usage(); 280122615Sume /*NOTREACHED*/ 281122615Sume } 28255505Sshin rtrlist(); 283122615Sume break; 284122615Sume case 's': 28555505Sshin if (argc < 2 || argc > 4) 28655505Sshin usage(); 28755505Sshin exit(set(argc, argv) ? 1 : 0); 288122615Sume case 'H': 289122615Sume if (argc != 0) { 290122615Sume usage(); 291122615Sume /*NOTREACHED*/ 292122615Sume } 29355505Sshin harmonize_rtr(); 294122615Sume break; 295122615Sume case 'P': 296122615Sume if (argc != 0) { 297122615Sume usage(); 298122615Sume /*NOTREACHED*/ 299122615Sume } 30055505Sshin pfx_flush(); 301122615Sume break; 302122615Sume case 'R': 303122615Sume if (argc != 0) { 304122615Sume usage(); 305122615Sume /*NOTREACHED*/ 306122615Sume } 30755505Sshin rtr_flush(); 308122615Sume break; 309122615Sume case 0: 310122615Sume if (argc != 1) { 311122615Sume usage(); 312122615Sume /*NOTREACHED*/ 313122615Sume } 314122615Sume get(argv[0]); 315122615Sume break; 31655505Sshin } 31755505Sshin exit(0); 31855505Sshin} 31955505Sshin 32055505Sshin/* 32155505Sshin * Process a file to set standard ndp entries 32255505Sshin */ 32355505Sshinint 32455505Sshinfile(name) 32555505Sshin char *name; 32655505Sshin{ 32755505Sshin FILE *fp; 32855505Sshin int i, retval; 32955505Sshin char line[100], arg[5][50], *args[5]; 33055505Sshin 33155505Sshin if ((fp = fopen(name, "r")) == NULL) { 33255505Sshin fprintf(stderr, "ndp: cannot open %s\n", name); 33355505Sshin exit(1); 33455505Sshin } 33555505Sshin args[0] = &arg[0][0]; 33655505Sshin args[1] = &arg[1][0]; 33755505Sshin args[2] = &arg[2][0]; 33855505Sshin args[3] = &arg[3][0]; 33955505Sshin args[4] = &arg[4][0]; 34055505Sshin retval = 0; 341167260Skevlo while (fgets(line, sizeof(line), fp) != NULL) { 342122615Sume i = sscanf(line, "%49s %49s %49s %49s %49s", 343122615Sume arg[0], arg[1], arg[2], arg[3], arg[4]); 34455505Sshin if (i < 2) { 34555505Sshin fprintf(stderr, "ndp: bad line: %s\n", line); 34655505Sshin retval = 1; 34755505Sshin continue; 34855505Sshin } 34955505Sshin if (set(i, args)) 35055505Sshin retval = 1; 35155505Sshin } 35255505Sshin fclose(fp); 35355505Sshin return (retval); 35455505Sshin} 35555505Sshin 35655505Sshinvoid 35755505Sshingetsocket() 35855505Sshin{ 35955505Sshin if (s < 0) { 36055505Sshin s = socket(PF_ROUTE, SOCK_RAW, 0); 36155505Sshin if (s < 0) { 362121156Sume err(1, "socket"); 363121156Sume /* NOTREACHED */ 36455505Sshin } 36555505Sshin } 36655505Sshin} 36755505Sshin 36862590Sitojunstruct sockaddr_in6 so_mask = {sizeof(so_mask), AF_INET6 }; 36955505Sshinstruct sockaddr_in6 blank_sin = {sizeof(blank_sin), AF_INET6 }, sin_m; 37055505Sshinstruct sockaddr_dl blank_sdl = {sizeof(blank_sdl), AF_LINK }, sdl_m; 37155505Sshinint expire_time, flags, found_entry; 37255505Sshinstruct { 37355505Sshin struct rt_msghdr m_rtm; 37455505Sshin char m_space[512]; 37555505Sshin} m_rtmsg; 37655505Sshin 37755505Sshin/* 37855505Sshin * Set an individual neighbor cache entry 37955505Sshin */ 38055505Sshinint 38155505Sshinset(argc, argv) 38255505Sshin int argc; 38355505Sshin char **argv; 38455505Sshin{ 38555505Sshin register struct sockaddr_in6 *sin = &sin_m; 38655505Sshin register struct sockaddr_dl *sdl; 38755505Sshin register struct rt_msghdr *rtm = &(m_rtmsg.m_rtm); 38855505Sshin struct addrinfo hints, *res; 38955505Sshin int gai_error; 39055505Sshin u_char *ea; 39155505Sshin char *host = argv[0], *eaddr = argv[1]; 39255505Sshin 39355505Sshin getsocket(); 39455505Sshin argc -= 2; 39555505Sshin argv += 2; 39655505Sshin sdl_m = blank_sdl; 39755505Sshin sin_m = blank_sin; 39855505Sshin 39955505Sshin bzero(&hints, sizeof(hints)); 40055505Sshin hints.ai_family = AF_INET6; 40155505Sshin gai_error = getaddrinfo(host, NULL, &hints, &res); 40255505Sshin if (gai_error) { 40355505Sshin fprintf(stderr, "ndp: %s: %s\n", host, 40455505Sshin gai_strerror(gai_error)); 40555505Sshin return 1; 40655505Sshin } 40755505Sshin sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr; 40862590Sitojun#ifdef __KAME__ 40962590Sitojun if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr)) { 41062590Sitojun *(u_int16_t *)&sin->sin6_addr.s6_addr[2] = 411121156Sume htons(((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id); 41262590Sitojun } 41362590Sitojun#endif 41455505Sshin ea = (u_char *)LLADDR(&sdl_m); 41555505Sshin if (ndp_ether_aton(eaddr, ea) == 0) 41655505Sshin sdl_m.sdl_alen = 6; 41755505Sshin flags = expire_time = 0; 41855505Sshin while (argc-- > 0) { 41955505Sshin if (strncmp(argv[0], "temp", 4) == 0) { 42055505Sshin struct timeval time; 421121156Sume 42255505Sshin gettimeofday(&time, 0); 42355505Sshin expire_time = time.tv_sec + 20 * 60; 42462590Sitojun } else if (strncmp(argv[0], "proxy", 5) == 0) 42562590Sitojun flags |= RTF_ANNOUNCE; 42655505Sshin argv++; 42755505Sshin } 42855505Sshin if (rtmsg(RTM_GET) < 0) { 429121156Sume errx(1, "RTM_GET(%s) failed", host); 430121156Sume /* NOTREACHED */ 43155505Sshin } 43255505Sshin sin = (struct sockaddr_in6 *)(rtm + 1); 43355505Sshin sdl = (struct sockaddr_dl *)(ROUNDUP(sin->sin6_len) + (char *)sin); 43455505Sshin if (IN6_ARE_ADDR_EQUAL(&sin->sin6_addr, &sin_m.sin6_addr)) { 43555505Sshin if (sdl->sdl_family == AF_LINK && 436122615Sume !(rtm->rtm_flags & RTF_GATEWAY)) { 437122615Sume switch (sdl->sdl_type) { 438122615Sume case IFT_ETHER: case IFT_FDDI: case IFT_ISO88023: 439122615Sume case IFT_ISO88024: case IFT_ISO88025: 440122615Sume goto overwrite; 441122615Sume } 44255505Sshin } 44362590Sitojun /* 44462590Sitojun * IPv4 arp command retries with sin_other = SIN_PROXY here. 44562590Sitojun */ 44662590Sitojun fprintf(stderr, "set: cannot configure a new entry\n"); 44762590Sitojun return 1; 44855505Sshin } 44962590Sitojun 45055505Sshinoverwrite: 45155505Sshin if (sdl->sdl_family != AF_LINK) { 45255505Sshin printf("cannot intuit interface index and type for %s\n", host); 45355505Sshin return (1); 45455505Sshin } 45555505Sshin sdl_m.sdl_type = sdl->sdl_type; 45655505Sshin sdl_m.sdl_index = sdl->sdl_index; 45755505Sshin return (rtmsg(RTM_ADD)); 45855505Sshin} 45955505Sshin 46055505Sshin/* 46155505Sshin * Display an individual neighbor cache entry 46255505Sshin */ 46355505Sshinvoid 46455505Sshinget(host) 46555505Sshin char *host; 46655505Sshin{ 46755505Sshin struct sockaddr_in6 *sin = &sin_m; 46855505Sshin struct addrinfo hints, *res; 46955505Sshin int gai_error; 47055505Sshin 47155505Sshin sin_m = blank_sin; 47255505Sshin bzero(&hints, sizeof(hints)); 47355505Sshin hints.ai_family = AF_INET6; 47455505Sshin gai_error = getaddrinfo(host, NULL, &hints, &res); 47555505Sshin if (gai_error) { 47655505Sshin fprintf(stderr, "ndp: %s: %s\n", host, 477121156Sume gai_strerror(gai_error)); 47855505Sshin return; 47955505Sshin } 48055505Sshin sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr; 48162590Sitojun#ifdef __KAME__ 48262590Sitojun if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr)) { 48362590Sitojun *(u_int16_t *)&sin->sin6_addr.s6_addr[2] = 484121156Sume htons(((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id); 48562590Sitojun } 48662590Sitojun#endif 487122615Sume dump(&sin->sin6_addr, 0); 48855505Sshin if (found_entry == 0) { 48955505Sshin getnameinfo((struct sockaddr *)sin, sin->sin6_len, host_buf, 490121156Sume sizeof(host_buf), NULL ,0, 491121156Sume (nflag ? NI_NUMERICHOST : 0)); 49255505Sshin printf("%s (%s) -- no entry\n", host, host_buf); 49355505Sshin exit(1); 49455505Sshin } 49555505Sshin} 49655505Sshin 49755505Sshin/* 49855505Sshin * Delete a neighbor cache entry 49955505Sshin */ 50055505Sshinint 50155505Sshindelete(host) 50255505Sshin char *host; 50355505Sshin{ 50455505Sshin struct sockaddr_in6 *sin = &sin_m; 50555505Sshin register struct rt_msghdr *rtm = &m_rtmsg.m_rtm; 506186119Sqingli register char *cp = m_rtmsg.m_space; 50755505Sshin struct sockaddr_dl *sdl; 50855505Sshin struct addrinfo hints, *res; 50955505Sshin int gai_error; 51055505Sshin 51155505Sshin getsocket(); 51255505Sshin sin_m = blank_sin; 51355505Sshin 51455505Sshin bzero(&hints, sizeof(hints)); 51555505Sshin hints.ai_family = AF_INET6; 51655505Sshin gai_error = getaddrinfo(host, NULL, &hints, &res); 51755505Sshin if (gai_error) { 51855505Sshin fprintf(stderr, "ndp: %s: %s\n", host, 519121156Sume gai_strerror(gai_error)); 52055505Sshin return 1; 52155505Sshin } 52255505Sshin sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr; 52362590Sitojun#ifdef __KAME__ 52462590Sitojun if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr)) { 52562590Sitojun *(u_int16_t *)&sin->sin6_addr.s6_addr[2] = 526121156Sume htons(((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id); 52762590Sitojun } 52862590Sitojun#endif 52955505Sshin if (rtmsg(RTM_GET) < 0) { 530121156Sume errx(1, "RTM_GET(%s) failed", host); 531121156Sume /* NOTREACHED */ 53255505Sshin } 53355505Sshin sin = (struct sockaddr_in6 *)(rtm + 1); 53455505Sshin sdl = (struct sockaddr_dl *)(ROUNDUP(sin->sin6_len) + (char *)sin); 53555505Sshin if (IN6_ARE_ADDR_EQUAL(&sin->sin6_addr, &sin_m.sin6_addr)) { 53655505Sshin if (sdl->sdl_family == AF_LINK && 53762590Sitojun !(rtm->rtm_flags & RTF_GATEWAY)) { 53878064Sume goto delete; 53955505Sshin } 54062590Sitojun /* 54162590Sitojun * IPv4 arp command retries with sin_other = SIN_PROXY here. 54262590Sitojun */ 54362590Sitojun fprintf(stderr, "delete: cannot delete non-NDP entry\n"); 54462590Sitojun return 1; 54555505Sshin } 54662590Sitojun 54755505Sshindelete: 54855505Sshin if (sdl->sdl_family != AF_LINK) { 54955505Sshin printf("cannot locate %s\n", host); 55055505Sshin return (1); 55155505Sshin } 552186119Sqingli /* 553186119Sqingli * need to reinit the field because it has rt_key 554186119Sqingli * but we want the actual address 555186119Sqingli */ 556186119Sqingli NEXTADDR(RTA_DST, sin_m); 557186500Sqingli rtm->rtm_flags |= RTF_LLDATA; 55855505Sshin if (rtmsg(RTM_DELETE) == 0) { 55962590Sitojun struct sockaddr_in6 s6 = *sin; /* XXX: for safety */ 56062590Sitojun 56162590Sitojun#ifdef __KAME__ 56262590Sitojun if (IN6_IS_ADDR_LINKLOCAL(&s6.sin6_addr)) { 56362590Sitojun s6.sin6_scope_id = ntohs(*(u_int16_t *)&s6.sin6_addr.s6_addr[2]); 56462590Sitojun *(u_int16_t *)&s6.sin6_addr.s6_addr[2] = 0; 56562590Sitojun } 56662590Sitojun#endif 56762590Sitojun getnameinfo((struct sockaddr *)&s6, 568121156Sume s6.sin6_len, host_buf, 569121156Sume sizeof(host_buf), NULL, 0, 570121156Sume (nflag ? NI_NUMERICHOST : 0)); 57155505Sshin printf("%s (%s) deleted\n", host, host_buf); 57255505Sshin } 57355505Sshin 57455505Sshin return 0; 57555505Sshin} 57655505Sshin 577122615Sume#define W_ADDR 36 57878064Sume#define W_LL 17 57978064Sume#define W_IF 6 58078064Sume 58155505Sshin/* 58255505Sshin * Dump the entire neighbor cache 58355505Sshin */ 58455505Sshinvoid 585122615Sumedump(addr, cflag) 58655505Sshin struct in6_addr *addr; 587122615Sume int cflag; 58855505Sshin{ 58955505Sshin int mib[6]; 59055505Sshin size_t needed; 59162590Sitojun char *lim, *buf, *next; 59255505Sshin struct rt_msghdr *rtm; 59355505Sshin struct sockaddr_in6 *sin; 59455505Sshin struct sockaddr_dl *sdl; 59555505Sshin extern int h_errno; 59655505Sshin struct in6_nbrinfo *nbi; 59755505Sshin struct timeval time; 59855505Sshin int addrwidth; 59978064Sume int llwidth; 60078064Sume int ifwidth; 60162590Sitojun char flgbuf[8]; 60278064Sume char *ifname; 60355505Sshin 60455505Sshin /* Print header */ 60566865Ssumikawa if (!tflag && !cflag) 606122615Sume printf("%-*.*s %-*.*s %*.*s %-9.9s %1s %5s\n", 60778064Sume W_ADDR, W_ADDR, "Neighbor", W_LL, W_LL, "Linklayer Address", 608122615Sume W_IF, W_IF, "Netif", "Expire", "S", "Flags"); 60955505Sshin 61055505Sshinagain:; 61155505Sshin mib[0] = CTL_NET; 61255505Sshin mib[1] = PF_ROUTE; 61355505Sshin mib[2] = 0; 61455505Sshin mib[3] = AF_INET6; 61555505Sshin mib[4] = NET_RT_FLAGS; 616186119Sqingli#ifdef RTF_LLINFO 61755505Sshin mib[5] = RTF_LLINFO; 618186119Sqingli#else 619186119Sqingli mib[5] = 0; 620186119Sqingli#endif 62155505Sshin if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) 62255505Sshin err(1, "sysctl(PF_ROUTE estimate)"); 62355505Sshin if (needed > 0) { 62455505Sshin if ((buf = malloc(needed)) == NULL) 625121156Sume err(1, "malloc"); 62655505Sshin if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) 62755505Sshin err(1, "sysctl(PF_ROUTE, NET_RT_FLAGS)"); 62855505Sshin lim = buf + needed; 62955505Sshin } else 63055505Sshin buf = lim = NULL; 63155505Sshin 63255505Sshin for (next = buf; next && next < lim; next += rtm->rtm_msglen) { 63355505Sshin int isrouter = 0, prbs = 0; 63455505Sshin 63555505Sshin rtm = (struct rt_msghdr *)next; 63655505Sshin sin = (struct sockaddr_in6 *)(rtm + 1); 63755505Sshin sdl = (struct sockaddr_dl *)((char *)sin + ROUNDUP(sin->sin6_len)); 63878064Sume 63978064Sume /* 64078064Sume * Some OSes can produce a route that has the LINK flag but 64178064Sume * has a non-AF_LINK gateway (e.g. fe80::xx%lo0 on FreeBSD 64278064Sume * and BSD/OS, where xx is not the interface identifier on 64378064Sume * lo0). Such routes entry would annoy getnbrinfo() below, 64478064Sume * so we skip them. 64578064Sume * XXX: such routes should have the GATEWAY flag, not the 646121156Sume * LINK flag. However, there is rotten routing software 64778064Sume * that advertises all routes that have the GATEWAY flag. 64878064Sume * Thus, KAME kernel intentionally does not set the LINK flag. 64978064Sume * What is to be fixed is not ndp, but such routing software 65078064Sume * (and the kernel workaround)... 65178064Sume */ 65278064Sume if (sdl->sdl_family != AF_LINK) 65378064Sume continue; 65478064Sume 655122615Sume if (!(rtm->rtm_flags & RTF_HOST)) 656122615Sume continue; 657122615Sume 65855505Sshin if (addr) { 65955505Sshin if (!IN6_ARE_ADDR_EQUAL(addr, &sin->sin6_addr)) 66055505Sshin continue; 66155505Sshin found_entry = 1; 66255505Sshin } else if (IN6_IS_ADDR_MULTICAST(&sin->sin6_addr)) 66355505Sshin continue; 66455505Sshin if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) || 66555505Sshin IN6_IS_ADDR_MC_LINKLOCAL(&sin->sin6_addr)) { 66655505Sshin /* XXX: should scope id be filled in the kernel? */ 66755505Sshin if (sin->sin6_scope_id == 0) 66855505Sshin sin->sin6_scope_id = sdl->sdl_index; 66966865Ssumikawa#ifdef __KAME__ 67066865Ssumikawa /* KAME specific hack; removed the embedded id */ 67155505Sshin *(u_int16_t *)&sin->sin6_addr.s6_addr[2] = 0; 67266865Ssumikawa#endif 67355505Sshin } 67455505Sshin getnameinfo((struct sockaddr *)sin, sin->sin6_len, host_buf, 675121156Sume sizeof(host_buf), NULL, 0, (nflag ? NI_NUMERICHOST : 0)); 676122615Sume if (cflag) { 67781366Ssumikawa#ifdef RTF_WASCLONED 67881366Ssumikawa if (rtm->rtm_flags & RTF_WASCLONED) 67981366Ssumikawa delete(host_buf); 680122615Sume#elif defined(RTF_CLONED) 681122615Sume if (rtm->rtm_flags & RTF_CLONED) 682122615Sume delete(host_buf); 68381366Ssumikawa#else 68466865Ssumikawa delete(host_buf); 68581366Ssumikawa#endif 68666865Ssumikawa continue; 68766865Ssumikawa } 68855505Sshin gettimeofday(&time, 0); 68955505Sshin if (tflag) 69055505Sshin ts_print(&time); 69155505Sshin 69278064Sume addrwidth = strlen(host_buf); 69378064Sume if (addrwidth < W_ADDR) 69478064Sume addrwidth = W_ADDR; 69578064Sume llwidth = strlen(ether_str(sdl)); 69678064Sume if (W_ADDR + W_LL - addrwidth > llwidth) 69778064Sume llwidth = W_ADDR + W_LL - addrwidth; 69878064Sume ifname = if_indextoname(sdl->sdl_index, ifix_buf); 69978064Sume if (!ifname) 70078064Sume ifname = "?"; 70178064Sume ifwidth = strlen(ifname); 70278064Sume if (W_ADDR + W_LL + W_IF - addrwidth - llwidth > ifwidth) 70378064Sume ifwidth = W_ADDR + W_LL + W_IF - addrwidth - llwidth; 70455505Sshin 70578064Sume printf("%-*.*s %-*.*s %*.*s", addrwidth, addrwidth, host_buf, 70678064Sume llwidth, llwidth, ether_str(sdl), ifwidth, ifwidth, ifname); 70755505Sshin 70855505Sshin /* Print neighbor discovery specific informations */ 70962590Sitojun nbi = getnbrinfo(&sin->sin6_addr, sdl->sdl_index, 1); 71055505Sshin if (nbi) { 71155505Sshin if (nbi->expire > time.tv_sec) { 71255505Sshin printf(" %-9.9s", 713121156Sume sec2str(nbi->expire - time.tv_sec)); 71478064Sume } else if (nbi->expire == 0) 71555505Sshin printf(" %-9.9s", "permanent"); 71655505Sshin else 71755505Sshin printf(" %-9.9s", "expired"); 71855505Sshin 719121156Sume switch (nbi->state) { 720121156Sume case ND6_LLINFO_NOSTATE: 72155505Sshin printf(" N"); 72255505Sshin break; 72378064Sume#ifdef ND6_LLINFO_WAITDELETE 724121156Sume case ND6_LLINFO_WAITDELETE: 72555505Sshin printf(" W"); 72655505Sshin break; 72778064Sume#endif 728121156Sume case ND6_LLINFO_INCOMPLETE: 72955505Sshin printf(" I"); 73055505Sshin break; 731121156Sume case ND6_LLINFO_REACHABLE: 73255505Sshin printf(" R"); 73355505Sshin break; 734121156Sume case ND6_LLINFO_STALE: 73555505Sshin printf(" S"); 73655505Sshin break; 737121156Sume case ND6_LLINFO_DELAY: 73855505Sshin printf(" D"); 73955505Sshin break; 740121156Sume case ND6_LLINFO_PROBE: 74155505Sshin printf(" P"); 74255505Sshin break; 743121156Sume default: 74455505Sshin printf(" ?"); 74555505Sshin break; 74655505Sshin } 74755505Sshin 74855505Sshin isrouter = nbi->isrouter; 74955505Sshin prbs = nbi->asked; 75078064Sume } else { 75155505Sshin warnx("failed to get neighbor information"); 75255505Sshin printf(" "); 75355505Sshin } 75455505Sshin 75562590Sitojun /* 75662590Sitojun * other flags. R: router, P: proxy, W: ?? 75762590Sitojun */ 75862590Sitojun if ((rtm->rtm_addrs & RTA_NETMASK) == 0) { 75962590Sitojun snprintf(flgbuf, sizeof(flgbuf), "%s%s", 760121156Sume isrouter ? "R" : "", 761121156Sume (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : ""); 76262590Sitojun } else { 76362590Sitojun sin = (struct sockaddr_in6 *) 764121156Sume (sdl->sdl_len + (char *)sdl); 765122615Sume#if 0 /* W and P are mystery even for us */ 76662590Sitojun snprintf(flgbuf, sizeof(flgbuf), "%s%s%s%s", 767121156Sume isrouter ? "R" : "", 768121156Sume !IN6_IS_ADDR_UNSPECIFIED(&sin->sin6_addr) ? "P" : "", 769121156Sume (sin->sin6_len != sizeof(struct sockaddr_in6)) ? "W" : "", 770121156Sume (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : ""); 771122615Sume#else 772122615Sume snprintf(flgbuf, sizeof(flgbuf), "%s%s", 773122615Sume isrouter ? "R" : "", 774122615Sume (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : ""); 775122615Sume#endif 77655505Sshin } 777122615Sume printf(" %s", flgbuf); 77855505Sshin 77955505Sshin if (prbs) 780122615Sume printf(" %d", prbs); 78155505Sshin 78255505Sshin printf("\n"); 78355505Sshin } 78478064Sume if (buf != NULL) 78578064Sume free(buf); 78655505Sshin 78755505Sshin if (repeat) { 78855505Sshin printf("\n"); 789125675Ssumikawa fflush(stdout); 79055505Sshin sleep(repeat); 79155505Sshin goto again; 79255505Sshin } 79355505Sshin} 79455505Sshin 79555505Sshinstatic struct in6_nbrinfo * 79662590Sitojungetnbrinfo(addr, ifindex, warning) 79755505Sshin struct in6_addr *addr; 79855505Sshin int ifindex; 79962590Sitojun int warning; 80055505Sshin{ 80155505Sshin static struct in6_nbrinfo nbi; 80255505Sshin int s; 80355505Sshin 80455505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 80555505Sshin err(1, "socket"); 80655505Sshin 80755505Sshin bzero(&nbi, sizeof(nbi)); 80855505Sshin if_indextoname(ifindex, nbi.ifname); 80955505Sshin nbi.addr = *addr; 81055505Sshin if (ioctl(s, SIOCGNBRINFO_IN6, (caddr_t)&nbi) < 0) { 81162590Sitojun if (warning) 81262590Sitojun warn("ioctl(SIOCGNBRINFO_IN6)"); 81355505Sshin close(s); 81455505Sshin return(NULL); 81555505Sshin } 81655505Sshin 81755505Sshin close(s); 81855505Sshin return(&nbi); 81955505Sshin} 82055505Sshin 82155505Sshinstatic char * 82255505Sshinether_str(sdl) 82355505Sshin struct sockaddr_dl *sdl; 82455505Sshin{ 825121156Sume static char hbuf[NI_MAXHOST]; 82655505Sshin u_char *cp; 82755505Sshin 82855505Sshin if (sdl->sdl_alen) { 82955505Sshin cp = (u_char *)LLADDR(sdl); 830121156Sume snprintf(hbuf, sizeof(hbuf), "%x:%x:%x:%x:%x:%x", 831121156Sume cp[0], cp[1], cp[2], cp[3], cp[4], cp[5]); 832121156Sume } else 833121156Sume snprintf(hbuf, sizeof(hbuf), "(incomplete)"); 83455505Sshin 835121156Sume return(hbuf); 83655505Sshin} 83755505Sshin 83855505Sshinint 83955505Sshinndp_ether_aton(a, n) 84055505Sshin char *a; 84155505Sshin u_char *n; 84255505Sshin{ 84355505Sshin int i, o[6]; 84455505Sshin 84555505Sshin i = sscanf(a, "%x:%x:%x:%x:%x:%x", &o[0], &o[1], &o[2], 846121156Sume &o[3], &o[4], &o[5]); 84755505Sshin if (i != 6) { 84855505Sshin fprintf(stderr, "ndp: invalid Ethernet address '%s'\n", a); 84955505Sshin return (1); 85055505Sshin } 851121156Sume for (i = 0; i < 6; i++) 85255505Sshin n[i] = o[i]; 85355505Sshin return (0); 85455505Sshin} 85555505Sshin 85655505Sshinvoid 85755505Sshinusage() 85855505Sshin{ 859122615Sume printf("usage: ndp [-nt] hostname\n"); 860122615Sume printf(" ndp [-nt] -a | -c | -p | -r | -H | -P | -R\n"); 86178064Sume printf(" ndp [-nt] -A wait\n"); 862122615Sume printf(" ndp [-nt] -d hostname\n"); 863122615Sume printf(" ndp [-nt] -f filename\n"); 864122615Sume printf(" ndp [-nt] -i interface [flags...]\n"); 86562590Sitojun#ifdef SIOCSDEFIFACE_IN6 866122615Sume printf(" ndp [-nt] -I [interface|delete]\n"); 86762590Sitojun#endif 868122615Sume printf(" ndp [-nt] -s nodename etheraddr [temp] [proxy]\n"); 86955505Sshin exit(1); 87055505Sshin} 87155505Sshin 87255505Sshinint 87355505Sshinrtmsg(cmd) 87455505Sshin int cmd; 87555505Sshin{ 87655505Sshin static int seq; 87755505Sshin int rlen; 87855505Sshin register struct rt_msghdr *rtm = &m_rtmsg.m_rtm; 87955505Sshin register char *cp = m_rtmsg.m_space; 88055505Sshin register int l; 88155505Sshin 88255505Sshin errno = 0; 88355505Sshin if (cmd == RTM_DELETE) 88455505Sshin goto doit; 88555505Sshin bzero((char *)&m_rtmsg, sizeof(m_rtmsg)); 88655505Sshin rtm->rtm_flags = flags; 88755505Sshin rtm->rtm_version = RTM_VERSION; 88855505Sshin 88955505Sshin switch (cmd) { 89055505Sshin default: 89155505Sshin fprintf(stderr, "ndp: internal wrong cmd\n"); 89255505Sshin exit(1); 89355505Sshin case RTM_ADD: 89455505Sshin rtm->rtm_addrs |= RTA_GATEWAY; 895122615Sume if (expire_time) { 896122615Sume rtm->rtm_rmx.rmx_expire = expire_time; 897122615Sume rtm->rtm_inits = RTV_EXPIRE; 898122615Sume } 899186500Sqingli rtm->rtm_flags |= (RTF_HOST | RTF_STATIC | RTF_LLDATA); 900151473Ssuz#if 0 /* we don't support ipv6addr/128 type proxying */ 90162590Sitojun if (rtm->rtm_flags & RTF_ANNOUNCE) { 90262590Sitojun rtm->rtm_flags &= ~RTF_HOST; 903124241Ssuz rtm->rtm_addrs |= RTA_NETMASK; 90462590Sitojun } 905151473Ssuz#endif 90655505Sshin /* FALLTHROUGH */ 90755505Sshin case RTM_GET: 90855505Sshin rtm->rtm_addrs |= RTA_DST; 90955505Sshin } 91055505Sshin 91155505Sshin NEXTADDR(RTA_DST, sin_m); 91255505Sshin NEXTADDR(RTA_GATEWAY, sdl_m); 913151473Ssuz#if 0 /* we don't support ipv6addr/128 type proxying */ 91462590Sitojun memset(&so_mask.sin6_addr, 0xff, sizeof(so_mask.sin6_addr)); 91555505Sshin NEXTADDR(RTA_NETMASK, so_mask); 916151473Ssuz#endif 91755505Sshin 91855505Sshin rtm->rtm_msglen = cp - (char *)&m_rtmsg; 91955505Sshindoit: 92055505Sshin l = rtm->rtm_msglen; 92155505Sshin rtm->rtm_seq = ++seq; 92255505Sshin rtm->rtm_type = cmd; 92355505Sshin if ((rlen = write(s, (char *)&m_rtmsg, l)) < 0) { 92455505Sshin if (errno != ESRCH || cmd != RTM_DELETE) { 925121156Sume err(1, "writing to routing socket"); 926121156Sume /* NOTREACHED */ 92755505Sshin } 92855505Sshin } 92955505Sshin do { 93055505Sshin l = read(s, (char *)&m_rtmsg, sizeof(m_rtmsg)); 93155505Sshin } while (l > 0 && (rtm->rtm_seq != seq || rtm->rtm_pid != pid)); 93255505Sshin if (l < 0) 93355505Sshin (void) fprintf(stderr, "ndp: read from routing socket: %s\n", 93455505Sshin strerror(errno)); 93555505Sshin return (0); 93655505Sshin} 93755505Sshin 93855505Sshinvoid 939122615Sumeifinfo(ifname, argc, argv) 940122615Sume char *ifname; 94162590Sitojun int argc; 94262590Sitojun char **argv; 94355505Sshin{ 94455505Sshin struct in6_ndireq nd; 94562590Sitojun int i, s; 94662590Sitojun u_int32_t newflags; 94778064Sume#ifdef IPV6CTL_USETEMPADDR 94878064Sume u_int8_t nullbuf[8]; 94978064Sume#endif 95055505Sshin 95155505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 952121156Sume err(1, "socket"); 953121156Sume /* NOTREACHED */ 95455505Sshin } 95555505Sshin bzero(&nd, sizeof(nd)); 956121156Sume strlcpy(nd.ifname, ifname, sizeof(nd.ifname)); 95755505Sshin if (ioctl(s, SIOCGIFINFO_IN6, (caddr_t)&nd) < 0) { 958121156Sume err(1, "ioctl(SIOCGIFINFO_IN6)"); 959121156Sume /* NOTREACHED */ 960122615Sume } 96162590Sitojun#define ND nd.ndi 96262590Sitojun newflags = ND.flags; 963122615Sume for (i = 0; i < argc; i++) { 96462590Sitojun int clear = 0; 96562590Sitojun char *cp = argv[i]; 96662590Sitojun 96762590Sitojun if (*cp == '-') { 96862590Sitojun clear = 1; 96962590Sitojun cp++; 97062590Sitojun } 97162590Sitojun 97262590Sitojun#define SETFLAG(s, f) \ 97362590Sitojun do {\ 97462590Sitojun if (strcmp(cp, (s)) == 0) {\ 97562590Sitojun if (clear)\ 97662590Sitojun newflags &= ~(f);\ 97762590Sitojun else\ 97862590Sitojun newflags |= (f);\ 97962590Sitojun }\ 98062590Sitojun } while (0) 981151468Ssuz/* 982151468Ssuz * XXX: this macro is not 100% correct, in that it matches "nud" against 983151468Ssuz * "nudbogus". But we just let it go since this is minor. 984151468Ssuz */ 985151468Ssuz#define SETVALUE(f, v) \ 986151468Ssuz do { \ 987151468Ssuz char *valptr; \ 988151468Ssuz unsigned long newval; \ 989151468Ssuz v = 0; /* unspecified */ \ 990151468Ssuz if (strncmp(cp, f, strlen(f)) == 0) { \ 991151468Ssuz valptr = strchr(cp, '='); \ 992151468Ssuz if (valptr == NULL) \ 993151468Ssuz err(1, "syntax error in %s field", (f)); \ 994151468Ssuz errno = 0; \ 995151468Ssuz newval = strtoul(++valptr, NULL, 0); \ 996151468Ssuz if (errno) \ 997151468Ssuz err(1, "syntax error in %s's value", (f)); \ 998151468Ssuz v = newval; \ 999151468Ssuz } \ 1000151468Ssuz } while (0) 1001151468Ssuz 1002151474Ssuz SETFLAG("disabled", ND6_IFF_IFDISABLED); 100362590Sitojun SETFLAG("nud", ND6_IFF_PERFORMNUD); 1004118498Sume#ifdef ND6_IFF_ACCEPT_RTADV 1005118498Sume SETFLAG("accept_rtadv", ND6_IFF_ACCEPT_RTADV); 1006118498Sume#endif 1007122615Sume#ifdef ND6_IFF_PREFER_SOURCE 1008122615Sume SETFLAG("prefer_source", ND6_IFF_PREFER_SOURCE); 1009122615Sume#endif 1010151468Ssuz SETVALUE("basereachable", ND.basereachable); 1011151468Ssuz SETVALUE("retrans", ND.retrans); 1012151468Ssuz SETVALUE("curhlim", ND.chlim); 101362590Sitojun 101462590Sitojun ND.flags = newflags; 1015151468Ssuz if (ioctl(s, SIOCSIFINFO_IN6, (caddr_t)&nd) < 0) { 1016151468Ssuz err(1, "ioctl(SIOCSIFINFO_IN6)"); 1017121156Sume /* NOTREACHED */ 101862590Sitojun } 101962590Sitojun#undef SETFLAG 1020151468Ssuz#undef SETVALUE 102162590Sitojun } 102262590Sitojun 1023121162Sume if (!ND.initialized) { 1024121162Sume errx(1, "%s: not initialized yet", ifname); 1025121162Sume /* NOTREACHED */ 1026121162Sume } 1027121162Sume 1028151468Ssuz if (ioctl(s, SIOCGIFINFO_IN6, (caddr_t)&nd) < 0) { 1029151468Ssuz err(1, "ioctl(SIOCGIFINFO_IN6)"); 1030151468Ssuz /* NOTREACHED */ 1031151468Ssuz } 103255505Sshin printf("linkmtu=%d", ND.linkmtu); 1033121471Sume printf(", maxmtu=%d", ND.maxmtu); 103455505Sshin printf(", curhlim=%d", ND.chlim); 103555505Sshin printf(", basereachable=%ds%dms", 1036121156Sume ND.basereachable / 1000, ND.basereachable % 1000); 103755505Sshin printf(", reachable=%ds", ND.reachable); 103862590Sitojun printf(", retrans=%ds%dms", ND.retrans / 1000, ND.retrans % 1000); 103978064Sume#ifdef IPV6CTL_USETEMPADDR 104078064Sume memset(nullbuf, 0, sizeof(nullbuf)); 104178064Sume if (memcmp(nullbuf, ND.randomid, sizeof(nullbuf)) != 0) { 104278064Sume int j; 104378064Sume u_int8_t *rbuf; 104478064Sume 104578064Sume for (i = 0; i < 3; i++) { 1046121156Sume switch (i) { 104778064Sume case 0: 104878064Sume printf("\nRandom seed(0): "); 104978064Sume rbuf = ND.randomseed0; 105078064Sume break; 105178064Sume case 1: 105278064Sume printf("\nRandom seed(1): "); 105378064Sume rbuf = ND.randomseed1; 105478064Sume break; 105578064Sume case 2: 105678064Sume printf("\nRandom ID: "); 105778064Sume rbuf = ND.randomid; 105878064Sume break; 1059151472Ssuz default: 1060151472Ssuz errx(1, "impossible case for tempaddr display"); 106178064Sume } 106278064Sume for (j = 0; j < 8; j++) 106378064Sume printf("%02x", rbuf[j]); 106478064Sume } 106578064Sume } 106678064Sume#endif 106762590Sitojun if (ND.flags) { 106862590Sitojun printf("\nFlags: "); 1069151474Ssuz#ifdef ND6_IFF_IFDISABLED 1070151474Ssuz if ((ND.flags & ND6_IFF_IFDISABLED)) 1071151474Ssuz printf("disabled "); 1072151474Ssuz#endif 1073118498Sume if ((ND.flags & ND6_IFF_PERFORMNUD)) 1074118498Sume printf("nud "); 1075118498Sume#ifdef ND6_IFF_ACCEPT_RTADV 1076118498Sume if ((ND.flags & ND6_IFF_ACCEPT_RTADV)) 1077118498Sume printf("accept_rtadv "); 1078118498Sume#endif 1079122615Sume#ifdef ND6_IFF_PREFER_SOURCE 1080122615Sume if ((ND.flags & ND6_IFF_PREFER_SOURCE)) 1081122615Sume printf("prefer_source "); 1082122615Sume#endif 1083122615Sume } 108462590Sitojun putc('\n', stdout); 108555505Sshin#undef ND 1086121156Sume 108755505Sshin close(s); 108855505Sshin} 108955505Sshin 109078064Sume#ifndef ND_RA_FLAG_RTPREF_MASK /* XXX: just for compilation on *BSD release */ 109178064Sume#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */ 109278064Sume#endif 109378064Sume 109455505Sshinvoid 109555505Sshinrtrlist() 109655505Sshin{ 109778064Sume#ifdef ICMPV6CTL_ND6_DRLIST 109878064Sume int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_DRLIST }; 109978064Sume char *buf; 110078064Sume struct in6_defrouter *p, *ep; 110178064Sume size_t l; 110278064Sume struct timeval time; 110378064Sume 110478064Sume if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), NULL, &l, NULL, 0) < 0) { 110578064Sume err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)"); 110678064Sume /*NOTREACHED*/ 110778064Sume } 1108151472Ssuz if (l == 0) 1109151472Ssuz return; 111078064Sume buf = malloc(l); 111178064Sume if (!buf) { 1112121156Sume err(1, "malloc"); 111378064Sume /*NOTREACHED*/ 111478064Sume } 111578064Sume if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &l, NULL, 0) < 0) { 111678064Sume err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)"); 111778064Sume /*NOTREACHED*/ 111878064Sume } 111978064Sume 112078064Sume ep = (struct in6_defrouter *)(buf + l); 112178064Sume for (p = (struct in6_defrouter *)buf; p < ep; p++) { 112278064Sume int rtpref; 112378064Sume 112478064Sume if (getnameinfo((struct sockaddr *)&p->rtaddr, 112578064Sume p->rtaddr.sin6_len, host_buf, sizeof(host_buf), NULL, 0, 1126121156Sume (nflag ? NI_NUMERICHOST : 0)) != 0) 112778064Sume strlcpy(host_buf, "?", sizeof(host_buf)); 1128121156Sume 112978064Sume printf("%s if=%s", host_buf, 1130121156Sume if_indextoname(p->if_index, ifix_buf)); 113178064Sume printf(", flags=%s%s", 1132121156Sume p->flags & ND_RA_FLAG_MANAGED ? "M" : "", 1133121156Sume p->flags & ND_RA_FLAG_OTHER ? "O" : ""); 113478064Sume rtpref = ((p->flags & ND_RA_FLAG_RTPREF_MASK) >> 3) & 0xff; 113578064Sume printf(", pref=%s", rtpref_str[rtpref]); 1136121156Sume 113778064Sume gettimeofday(&time, 0); 113878064Sume if (p->expire == 0) 113978064Sume printf(", expire=Never\n"); 114078064Sume else 114178064Sume printf(", expire=%s\n", 1142121156Sume sec2str(p->expire - time.tv_sec)); 114378064Sume } 114478064Sume free(buf); 114578064Sume#else 114655505Sshin struct in6_drlist dr; 114755505Sshin int s, i; 114855505Sshin struct timeval time; 114955505Sshin 115055505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1151121156Sume err(1, "socket"); 1152121156Sume /* NOTREACHED */ 115355505Sshin } 115455505Sshin bzero(&dr, sizeof(dr)); 1155121156Sume strlcpy(dr.ifname, "lo0", sizeof(dr.ifname)); /* dummy */ 115655505Sshin if (ioctl(s, SIOCGDRLST_IN6, (caddr_t)&dr) < 0) { 1157121156Sume err(1, "ioctl(SIOCGDRLST_IN6)"); 1158121156Sume /* NOTREACHED */ 1159121156Sume } 116062590Sitojun#define DR dr.defrouter[i] 116178064Sume for (i = 0 ; DR.if_index && i < DRLSTSIZ ; i++) { 116255505Sshin struct sockaddr_in6 sin6; 116355505Sshin 116455505Sshin bzero(&sin6, sizeof(sin6)); 116555505Sshin sin6.sin6_family = AF_INET6; 116655505Sshin sin6.sin6_len = sizeof(sin6); 116755505Sshin sin6.sin6_addr = DR.rtaddr; 116855505Sshin getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, host_buf, 1169121156Sume sizeof(host_buf), NULL, 0, 1170121156Sume (nflag ? NI_NUMERICHOST : 0)); 1171121156Sume 117255505Sshin printf("%s if=%s", host_buf, 1173121156Sume if_indextoname(DR.if_index, ifix_buf)); 117455505Sshin printf(", flags=%s%s", 1175121156Sume DR.flags & ND_RA_FLAG_MANAGED ? "M" : "", 1176121156Sume DR.flags & ND_RA_FLAG_OTHER ? "O" : ""); 117755505Sshin gettimeofday(&time, 0); 117855505Sshin if (DR.expire == 0) 117955505Sshin printf(", expire=Never\n"); 118055505Sshin else 118155505Sshin printf(", expire=%s\n", 1182121156Sume sec2str(DR.expire - time.tv_sec)); 118355505Sshin } 118455505Sshin#undef DR 118555505Sshin close(s); 118678064Sume#endif 118755505Sshin} 118855505Sshin 118955505Sshinvoid 119055505Sshinplist() 119155505Sshin{ 119278064Sume#ifdef ICMPV6CTL_ND6_PRLIST 119378064Sume int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_PRLIST }; 119478064Sume char *buf; 119578064Sume struct in6_prefix *p, *ep, *n; 119678064Sume struct sockaddr_in6 *advrtr; 119778064Sume size_t l; 119878064Sume struct timeval time; 119978064Sume const int niflags = NI_NUMERICHOST; 120078064Sume int ninflags = nflag ? NI_NUMERICHOST : 0; 120178064Sume char namebuf[NI_MAXHOST]; 120278064Sume 120378064Sume if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), NULL, &l, NULL, 0) < 0) { 120478064Sume err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)"); 120578064Sume /*NOTREACHED*/ 120678064Sume } 120778064Sume buf = malloc(l); 120878064Sume if (!buf) { 1209121156Sume err(1, "malloc"); 121078064Sume /*NOTREACHED*/ 121178064Sume } 121278064Sume if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &l, NULL, 0) < 0) { 121378064Sume err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)"); 121478064Sume /*NOTREACHED*/ 121578064Sume } 121678064Sume 121778064Sume ep = (struct in6_prefix *)(buf + l); 121878064Sume for (p = (struct in6_prefix *)buf; p < ep; p = n) { 121978064Sume advrtr = (struct sockaddr_in6 *)(p + 1); 122078064Sume n = (struct in6_prefix *)&advrtr[p->advrtrs]; 122178064Sume 122278064Sume if (getnameinfo((struct sockaddr *)&p->prefix, 122378064Sume p->prefix.sin6_len, namebuf, sizeof(namebuf), 122478064Sume NULL, 0, niflags) != 0) 122578064Sume strlcpy(namebuf, "?", sizeof(namebuf)); 122678064Sume printf("%s/%d if=%s\n", namebuf, p->prefixlen, 1227121156Sume if_indextoname(p->if_index, ifix_buf)); 122878064Sume 122978064Sume gettimeofday(&time, 0); 123078064Sume /* 123178064Sume * meaning of fields, especially flags, is very different 123278064Sume * by origin. notify the difference to the users. 123378064Sume */ 123478064Sume printf("flags=%s%s%s%s%s", 1235121156Sume p->raflags.onlink ? "L" : "", 1236121156Sume p->raflags.autonomous ? "A" : "", 1237121156Sume (p->flags & NDPRF_ONLINK) != 0 ? "O" : "", 1238121156Sume (p->flags & NDPRF_DETACHED) != 0 ? "D" : "", 123978064Sume#ifdef NDPRF_HOME 1240121156Sume (p->flags & NDPRF_HOME) != 0 ? "H" : "" 124178064Sume#else 1242121156Sume "" 124378064Sume#endif 1244121156Sume ); 124578064Sume if (p->vltime == ND6_INFINITE_LIFETIME) 124678064Sume printf(" vltime=infinity"); 124778064Sume else 1248122615Sume printf(" vltime=%lu", (unsigned long)p->vltime); 124978064Sume if (p->pltime == ND6_INFINITE_LIFETIME) 125078064Sume printf(", pltime=infinity"); 125178064Sume else 1252122615Sume printf(", pltime=%lu", (unsigned long)p->pltime); 125378064Sume if (p->expire == 0) 125478064Sume printf(", expire=Never"); 125578064Sume else if (p->expire >= time.tv_sec) 125678064Sume printf(", expire=%s", 1257121156Sume sec2str(p->expire - time.tv_sec)); 125878064Sume else 125978064Sume printf(", expired"); 126078064Sume printf(", ref=%d", p->refcnt); 126178064Sume printf("\n"); 126278064Sume /* 126378064Sume * "advertising router" list is meaningful only if the prefix 126478064Sume * information is from RA. 126578064Sume */ 126678064Sume if (p->advrtrs) { 126778064Sume int j; 126878064Sume struct sockaddr_in6 *sin6; 126978064Sume 1270122615Sume sin6 = advrtr; 127178064Sume printf(" advertised by\n"); 127278064Sume for (j = 0; j < p->advrtrs; j++) { 127378064Sume struct in6_nbrinfo *nbi; 127478064Sume 127578064Sume if (getnameinfo((struct sockaddr *)sin6, 127678064Sume sin6->sin6_len, namebuf, sizeof(namebuf), 127778064Sume NULL, 0, ninflags) != 0) 127878064Sume strlcpy(namebuf, "?", sizeof(namebuf)); 127978064Sume printf(" %s", namebuf); 128078064Sume 1281121156Sume nbi = getnbrinfo(&sin6->sin6_addr, 1282121156Sume p->if_index, 0); 128378064Sume if (nbi) { 1284121156Sume switch (nbi->state) { 128578064Sume case ND6_LLINFO_REACHABLE: 128678064Sume case ND6_LLINFO_STALE: 128778064Sume case ND6_LLINFO_DELAY: 128878064Sume case ND6_LLINFO_PROBE: 128978064Sume printf(" (reachable)\n"); 129078064Sume break; 129178064Sume default: 129278064Sume printf(" (unreachable)\n"); 129378064Sume } 129478064Sume } else 129578064Sume printf(" (no neighbor state)\n"); 129678064Sume sin6++; 129778064Sume } 129878064Sume } else 129978064Sume printf(" No advertising router\n"); 130078064Sume } 130178064Sume free(buf); 130278064Sume#else 130355505Sshin struct in6_prlist pr; 130455505Sshin int s, i; 130555505Sshin struct timeval time; 130655505Sshin 130755505Sshin gettimeofday(&time, 0); 130855505Sshin 130955505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { 1310121156Sume err(1, "socket"); 1311121156Sume /* NOTREACHED */ 131255505Sshin } 131355505Sshin bzero(&pr, sizeof(pr)); 1314121156Sume strlcpy(pr.ifname, "lo0", sizeof(pr.ifname)); /* dummy */ 131555505Sshin if (ioctl(s, SIOCGPRLST_IN6, (caddr_t)&pr) < 0) { 1316121156Sume err(1, "ioctl(SIOCGPRLST_IN6)"); 1317121156Sume /* NOTREACHED */ 1318121156Sume } 131962590Sitojun#define PR pr.prefix[i] 132055505Sshin for (i = 0; PR.if_index && i < PRLSTSIZ ; i++) { 132178064Sume struct sockaddr_in6 p6; 132278064Sume char namebuf[NI_MAXHOST]; 132378064Sume int niflags; 132478064Sume 132578064Sume#ifdef NDPRF_ONLINK 132678064Sume p6 = PR.prefix; 132778064Sume#else 132878064Sume memset(&p6, 0, sizeof(p6)); 132978064Sume p6.sin6_family = AF_INET6; 133078064Sume p6.sin6_len = sizeof(p6); 133178064Sume p6.sin6_addr = PR.prefix; 133278064Sume#endif 133378064Sume 133478064Sume /* 133578064Sume * copy link index to sin6_scope_id field. 133678064Sume * XXX: KAME specific. 133778064Sume */ 133878064Sume if (IN6_IS_ADDR_LINKLOCAL(&p6.sin6_addr)) { 133978064Sume u_int16_t linkid; 134078064Sume 134178064Sume memcpy(&linkid, &p6.sin6_addr.s6_addr[2], 1342121156Sume sizeof(linkid)); 134378064Sume linkid = ntohs(linkid); 134478064Sume p6.sin6_scope_id = linkid; 134578064Sume p6.sin6_addr.s6_addr[2] = 0; 134678064Sume p6.sin6_addr.s6_addr[3] = 0; 134778064Sume } 134878064Sume 134978064Sume niflags = NI_NUMERICHOST; 135078064Sume if (getnameinfo((struct sockaddr *)&p6, 1351121156Sume sizeof(p6), namebuf, sizeof(namebuf), 1352121156Sume NULL, 0, niflags)) { 135378064Sume warnx("getnameinfo failed"); 135478064Sume continue; 135578064Sume } 135678064Sume printf("%s/%d if=%s\n", namebuf, PR.prefixlen, 1357121156Sume if_indextoname(PR.if_index, ifix_buf)); 135878064Sume 135955505Sshin gettimeofday(&time, 0); 136062590Sitojun /* 136162590Sitojun * meaning of fields, especially flags, is very different 136262590Sitojun * by origin. notify the difference to the users. 136362590Sitojun */ 136478064Sume#if 0 136578064Sume printf(" %s", 1366121156Sume PR.origin == PR_ORIG_RA ? "" : "advertise: "); 136778064Sume#endif 136878064Sume#ifdef NDPRF_ONLINK 136978064Sume printf("flags=%s%s%s%s%s", 1370121156Sume PR.raflags.onlink ? "L" : "", 1371121156Sume PR.raflags.autonomous ? "A" : "", 1372121156Sume (PR.flags & NDPRF_ONLINK) != 0 ? "O" : "", 1373121156Sume (PR.flags & NDPRF_DETACHED) != 0 ? "D" : "", 137478064Sume#ifdef NDPRF_HOME 1375121156Sume (PR.flags & NDPRF_HOME) != 0 ? "H" : "" 137678064Sume#else 1377121156Sume "" 137878064Sume#endif 1379121156Sume ); 138078064Sume#else 138162590Sitojun printf("flags=%s%s", 1382121156Sume PR.raflags.onlink ? "L" : "", 1383121156Sume PR.raflags.autonomous ? "A" : ""); 138478064Sume#endif 138555505Sshin if (PR.vltime == ND6_INFINITE_LIFETIME) 138655505Sshin printf(" vltime=infinity"); 138755505Sshin else 1388122615Sume printf(" vltime=%lu", PR.vltime); 138955505Sshin if (PR.pltime == ND6_INFINITE_LIFETIME) 139055505Sshin printf(", pltime=infinity"); 139155505Sshin else 1392122615Sume printf(", pltime=%lu", PR.pltime); 139355505Sshin if (PR.expire == 0) 139462590Sitojun printf(", expire=Never"); 139555505Sshin else if (PR.expire >= time.tv_sec) 139662590Sitojun printf(", expire=%s", 1397121156Sume sec2str(PR.expire - time.tv_sec)); 139855505Sshin else 139962590Sitojun printf(", expired"); 140078064Sume#ifdef NDPRF_ONLINK 140178064Sume printf(", ref=%d", PR.refcnt); 140278064Sume#endif 140378064Sume#if 0 140462590Sitojun switch (PR.origin) { 140562590Sitojun case PR_ORIG_RA: 140662590Sitojun printf(", origin=RA"); 140762590Sitojun break; 140862590Sitojun case PR_ORIG_RR: 140962590Sitojun printf(", origin=RR"); 141062590Sitojun break; 141162590Sitojun case PR_ORIG_STATIC: 141262590Sitojun printf(", origin=static"); 141362590Sitojun break; 141462590Sitojun case PR_ORIG_KERNEL: 141562590Sitojun printf(", origin=kernel"); 141662590Sitojun break; 141762590Sitojun default: 141862590Sitojun printf(", origin=?"); 141962590Sitojun break; 142062590Sitojun } 142178064Sume#endif 142262590Sitojun printf("\n"); 142362590Sitojun /* 142462590Sitojun * "advertising router" list is meaningful only if the prefix 142562590Sitojun * information is from RA. 142662590Sitojun */ 142778064Sume if (0 && /* prefix origin is almost obsolted */ 142878064Sume PR.origin != PR_ORIG_RA) 142962590Sitojun ; 143062590Sitojun else if (PR.advrtrs) { 143155505Sshin int j; 143255505Sshin printf(" advertised by\n"); 143355505Sshin for (j = 0; j < PR.advrtrs; j++) { 143455505Sshin struct sockaddr_in6 sin6; 143562590Sitojun struct in6_nbrinfo *nbi; 143655505Sshin 143755505Sshin bzero(&sin6, sizeof(sin6)); 143855505Sshin sin6.sin6_family = AF_INET6; 143955505Sshin sin6.sin6_len = sizeof(sin6); 144055505Sshin sin6.sin6_addr = PR.advrtr[j]; 144162590Sitojun sin6.sin6_scope_id = PR.if_index; /* XXX */ 144255505Sshin getnameinfo((struct sockaddr *)&sin6, 1443121156Sume sin6.sin6_len, host_buf, 1444121156Sume sizeof(host_buf), NULL, 0, 1445121156Sume (nflag ? NI_NUMERICHOST : 0)); 144662590Sitojun printf(" %s", host_buf); 144755505Sshin 1448121156Sume nbi = getnbrinfo(&sin6.sin6_addr, 1449121156Sume PR.if_index, 0); 145062590Sitojun if (nbi) { 1451121156Sume switch (nbi->state) { 1452121156Sume case ND6_LLINFO_REACHABLE: 1453121156Sume case ND6_LLINFO_STALE: 1454121156Sume case ND6_LLINFO_DELAY: 1455121156Sume case ND6_LLINFO_PROBE: 145662590Sitojun printf(" (reachable)\n"); 145762590Sitojun break; 1458121156Sume default: 145962590Sitojun printf(" (unreachable)\n"); 146062590Sitojun } 146178064Sume } else 146262590Sitojun printf(" (no neighbor state)\n"); 146355505Sshin } 146455505Sshin if (PR.advrtrs > DRLSTSIZ) 146555505Sshin printf(" and %d routers\n", 1466121156Sume PR.advrtrs - DRLSTSIZ); 146762590Sitojun } else 146855505Sshin printf(" No advertising router\n"); 146955505Sshin } 147055505Sshin#undef PR 147155505Sshin close(s); 147278064Sume#endif 147355505Sshin} 147455505Sshin 147555505Sshinvoid 147655505Sshinpfx_flush() 147755505Sshin{ 147855505Sshin char dummyif[IFNAMSIZ+8]; 147955505Sshin int s; 148055505Sshin 148155505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 148255505Sshin err(1, "socket"); 1483121156Sume strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */ 148455505Sshin if (ioctl(s, SIOCSPFXFLUSH_IN6, (caddr_t)&dummyif) < 0) 1485121156Sume err(1, "ioctl(SIOCSPFXFLUSH_IN6)"); 148655505Sshin} 148755505Sshin 148855505Sshinvoid 148955505Sshinrtr_flush() 149055505Sshin{ 149155505Sshin char dummyif[IFNAMSIZ+8]; 149255505Sshin int s; 149355505Sshin 149455505Sshin if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 149555505Sshin err(1, "socket"); 1496121156Sume strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */ 149755505Sshin if (ioctl(s, SIOCSRTRFLUSH_IN6, (caddr_t)&dummyif) < 0) 1498121156Sume err(1, "ioctl(SIOCSRTRFLUSH_IN6)"); 149962590Sitojun 150062590Sitojun close(s); 150155505Sshin} 150255505Sshin 150355505Sshinvoid 150455505Sshinharmonize_rtr() 150555505Sshin{ 150655505Sshin char dummyif[IFNAMSIZ+8]; 150755505Sshin int s; 150855505Sshin 150962590Sitojun if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 151062590Sitojun err(1, "socket"); 1511121156Sume strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */ 151262590Sitojun if (ioctl(s, SIOCSNDFLUSH_IN6, (caddr_t)&dummyif) < 0) 1513121156Sume err(1, "ioctl(SIOCSNDFLUSH_IN6)"); 151462590Sitojun 151562590Sitojun close(s); 151655505Sshin} 151755505Sshin 151862590Sitojun#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */ 151962590Sitojunstatic void 152062590Sitojunsetdefif(ifname) 152162590Sitojun char *ifname; 152262590Sitojun{ 152362590Sitojun struct in6_ndifreq ndifreq; 152462590Sitojun unsigned int ifindex; 152562590Sitojun 152662590Sitojun if (strcasecmp(ifname, "delete") == 0) 152762590Sitojun ifindex = 0; 152862590Sitojun else { 152962590Sitojun if ((ifindex = if_nametoindex(ifname)) == 0) 153062590Sitojun err(1, "failed to resolve i/f index for %s", ifname); 153162590Sitojun } 153262590Sitojun 153362590Sitojun if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 153462590Sitojun err(1, "socket"); 153562590Sitojun 1536121156Sume strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */ 153762590Sitojun ndifreq.ifindex = ifindex; 153862590Sitojun 153962590Sitojun if (ioctl(s, SIOCSDEFIFACE_IN6, (caddr_t)&ndifreq) < 0) 1540121156Sume err(1, "ioctl(SIOCSDEFIFACE_IN6)"); 154162590Sitojun 154262590Sitojun close(s); 154362590Sitojun} 154462590Sitojun 154562590Sitojunstatic void 154662590Sitojungetdefif() 154762590Sitojun{ 154862590Sitojun struct in6_ndifreq ndifreq; 154962590Sitojun char ifname[IFNAMSIZ+8]; 155062590Sitojun 155162590Sitojun if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) 155262590Sitojun err(1, "socket"); 155362590Sitojun 155462590Sitojun memset(&ndifreq, 0, sizeof(ndifreq)); 1555121156Sume strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */ 155662590Sitojun 155762590Sitojun if (ioctl(s, SIOCGDEFIFACE_IN6, (caddr_t)&ndifreq) < 0) 1558121156Sume err(1, "ioctl(SIOCGDEFIFACE_IN6)"); 155962590Sitojun 156062590Sitojun if (ndifreq.ifindex == 0) 156162590Sitojun printf("No default interface.\n"); 156262590Sitojun else { 156362590Sitojun if ((if_indextoname(ndifreq.ifindex, ifname)) == NULL) 156462590Sitojun err(1, "failed to resolve ifname for index %lu", 156562590Sitojun ndifreq.ifindex); 156662590Sitojun printf("ND default interface = %s\n", ifname); 156762590Sitojun } 156862590Sitojun 156962590Sitojun close(s); 157062590Sitojun} 157162590Sitojun#endif 157262590Sitojun 157355505Sshinstatic char * 157455505Sshinsec2str(total) 157555505Sshin time_t total; 157655505Sshin{ 157755505Sshin static char result[256]; 157855505Sshin int days, hours, mins, secs; 157955505Sshin int first = 1; 158055505Sshin char *p = result; 1581121156Sume char *ep = &result[sizeof(result)]; 1582121156Sume int n; 158355505Sshin 158455505Sshin days = total / 3600 / 24; 158555505Sshin hours = (total / 3600) % 24; 158655505Sshin mins = (total / 60) % 60; 158755505Sshin secs = total % 60; 158855505Sshin 158955505Sshin if (days) { 159055505Sshin first = 0; 1591121156Sume n = snprintf(p, ep - p, "%dd", days); 1592121156Sume if (n < 0 || n >= ep - p) 1593121156Sume return "?"; 1594121156Sume p += n; 159555505Sshin } 159655505Sshin if (!first || hours) { 159755505Sshin first = 0; 1598121156Sume n = snprintf(p, ep - p, "%dh", hours); 1599121156Sume if (n < 0 || n >= ep - p) 1600121156Sume return "?"; 1601121156Sume p += n; 160255505Sshin } 160355505Sshin if (!first || mins) { 160455505Sshin first = 0; 1605121156Sume n = snprintf(p, ep - p, "%dm", mins); 1606121156Sume if (n < 0 || n >= ep - p) 1607121156Sume return "?"; 1608121156Sume p += n; 160955505Sshin } 1610121156Sume snprintf(p, ep - p, "%ds", secs); 161155505Sshin 161255505Sshin return(result); 161355505Sshin} 161455505Sshin 161555505Sshin/* 161655505Sshin * Print the timestamp 161755505Sshin * from tcpdump/util.c 161855505Sshin */ 161955505Sshinstatic void 162055505Sshints_print(tvp) 162155505Sshin const struct timeval *tvp; 162255505Sshin{ 162355505Sshin int s; 162455505Sshin 162555505Sshin /* Default */ 162655505Sshin s = (tvp->tv_sec + thiszone) % 86400; 162755505Sshin (void)printf("%02d:%02d:%02d.%06u ", 162855505Sshin s / 3600, (s % 3600) / 60, s % 60, (u_int32_t)tvp->tv_usec); 162955505Sshin} 1630186119Sqingli 1631186119Sqingli#undef NEXTADDR 1632