--- /dev/null
+/* $FreeBSD: src/usr.sbin/ndp/ndp.c,v 1.2.2.5 2001/08/13 02:58:26 sumikawa Exp $ */
+/* $KAME: ndp.c,v 1.65 2001/05/08 04:36:34 itojun Exp $ */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+/*
+ * Copyright (c) 1984, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Sun Microsystems, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Based on:
+ * "@(#) Copyright (c) 1984, 1993\n\
+ * The Regents of the University of California. All rights reserved.\n";
+ *
+ * "@(#)arp.c 8.2 (Berkeley) 1/2/94";
+ */
+
+/*
+ * ndp - display, set, delete and flush neighbor cache
+ */
+
+
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/sysctl.h>
+#include <sys/time.h>
+#include <sys/queue.h>
+
+#include <net/if.h>
+#include <net/if_var.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/route.h>
+
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+
+#include <netinet/icmp6.h>
+#include <netinet6/in6_var.h>
+#include <netinet6/nd6.h>
+
+#include <arpa/inet.h>
+
+#include <netdb.h>
+#include <errno.h>
+#include <nlist.h>
+#include <stdio.h>
+#include <string.h>
+#include <paths.h>
+#include <err.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+//#include "gmt2local.h"
+
+#ifndef NI_WITHSCOPEID
+#define NI_WITHSCOPEID 0
+#endif
+
+/* packing rule for routing socket */
+#define ROUNDUP(a) \
+ ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
+#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
+
+static int pid;
+static int cflag;
+static int nflag;
+static int tflag;
+static int32_t thiszone =0 ; /* time difference with gmt */
+static int s = -1;
+static int repeat = 0;
+
+char ntop_buf[INET6_ADDRSTRLEN]; /* inet_ntop() */
+char host_buf[NI_MAXHOST]; /* getnameinfo() */
+char ifix_buf[IFNAMSIZ]; /* if_indextoname() */
+
+int main __P((int, char **));
+int file __P((char *));
+void getsocket __P((void));
+int set __P((int, char **));
+void get __P((char *));
+int delete __P((char *));
+void dump __P((struct in6_addr *));
+static struct in6_nbrinfo *getnbrinfo __P((struct in6_addr *addr,
+ int ifindex, int));
+static char *ether_str __P((struct sockaddr_dl *));
+int ndp_ether_aton __P((char *, u_char *));
+void usage __P((void));
+int rtmsg __P((int));
+void ifinfo __P((int, char **));
+void rtrlist __P((void));
+void plist __P((void));
+void pfx_flush __P((void));
+void rtrlist __P((void));
+void rtr_flush __P((void));
+void harmonize_rtr __P((void));
+#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */
+static void getdefif __P((void));
+static void setdefif __P((char *));
+#endif
+static char *sec2str __P((time_t t));
+static char *ether_str __P((struct sockaddr_dl *sdl));
+static void ts_print __P((const struct timeval *));
+
+static char *rtpref_str[] = {
+ "medium", /* 00 */
+ "high", /* 01 */
+ "rsv", /* 10 */
+ "low" /* 11 */
+};
+
+int
+main(argc, argv)
+ int argc;
+ char **argv;
+{
+ int ch;
+ int aflag = 0, dflag = 0, sflag = 0, Hflag = 0,
+ pflag = 0, rflag = 0, Pflag = 0, Rflag = 0;
+
+ pid = getpid();
+// thiszone = gmt2local(0);
+ while ((ch = getopt(argc, argv, "acndfIilprstA:HPR")) != -1)
+ switch ((char)ch) {
+ case 'a':
+ aflag = 1;
+ break;
+ case 'c':
+ cflag = 1;
+ break;
+ case 'd':
+ dflag = 1;
+ break;
+ case 'I':
+#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */
+ if (argc > 2)
+ setdefif(argv[2]);
+ getdefif(); /* always call it to print the result */
+ exit(0);
+#else
+ errx(1, "not supported yet");
+ /*NOTREACHED*/
+#endif
+ case 'i' :
+ argc -= optind;
+ argv += optind;
+ if (argc < 1)
+ usage();
+ ifinfo(argc, argv);
+ exit(0);
+ case 'n':
+ nflag = 1;
+ continue;
+ case 'p':
+ pflag = 1;
+ break;
+ case 'f' :
+ if (argc != 3)
+ usage();
+ file(argv[2]);
+ exit(0);
+ case 'l' :
+ /* obsolete, ignored */
+ break;
+ case 'r' :
+ rflag = 1;
+ break;
+ case 's':
+ sflag = 1;
+ break;
+ case 't':
+ tflag = 1;
+ break;
+ case 'A':
+ aflag = 1;
+ repeat = atoi(optarg);
+ if (repeat < 0)
+ usage();
+ break;
+ case 'H' :
+ Hflag = 1;
+ break;
+ case 'P':
+ Pflag = 1;
+ break;
+ case 'R':
+ Rflag = 1;
+ break;
+ default:
+ usage();
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (aflag || cflag) {
+ dump(0);
+ exit(0);
+ }
+ if (dflag) {
+ if (argc != 1)
+ usage();
+ delete(argv[0]);
+ exit(0);
+ }
+ if (pflag) {
+ plist();
+ exit(0);
+ }
+ if (rflag) {
+ rtrlist();
+ exit(0);
+ }
+ if (sflag) {
+ if (argc < 2 || argc > 4)
+ usage();
+ exit(set(argc, argv) ? 1 : 0);
+ }
+ if (Hflag) {
+ harmonize_rtr();
+ exit(0);
+ }
+ if (Pflag) {
+ pfx_flush();
+ exit(0);
+ }
+ if (Rflag) {
+ rtr_flush();
+ exit(0);
+ }
+
+ if (argc != 1)
+ usage();
+ get(argv[0]);
+ exit(0);
+}
+
+/*
+ * Process a file to set standard ndp entries
+ */
+int
+file(name)
+ char *name;
+{
+ FILE *fp;
+ int i, retval;
+ char line[100], arg[5][50], *args[5];
+
+ if ((fp = fopen(name, "r")) == NULL) {
+ fprintf(stderr, "ndp: cannot open %s\n", name);
+ exit(1);
+ }
+ args[0] = &arg[0][0];
+ args[1] = &arg[1][0];
+ args[2] = &arg[2][0];
+ args[3] = &arg[3][0];
+ args[4] = &arg[4][0];
+ retval = 0;
+ while(fgets(line, 100, fp) != NULL) {
+ i = sscanf(line, "%s %s %s %s %s", arg[0], arg[1], arg[2],
+ arg[3], arg[4]);
+ if (i < 2) {
+ fprintf(stderr, "ndp: bad line: %s\n", line);
+ retval = 1;
+ continue;
+ }
+ if (set(i, args))
+ retval = 1;
+ }
+ fclose(fp);
+ return (retval);
+}
+
+void
+getsocket()
+{
+ if (s < 0) {
+ s = socket(PF_ROUTE, SOCK_RAW, 0);
+ if (s < 0) {
+ perror("ndp: socket");
+ exit(1);
+ }
+ }
+}
+
+struct sockaddr_in6 so_mask = {sizeof(so_mask), AF_INET6 };
+struct sockaddr_in6 blank_sin = {sizeof(blank_sin), AF_INET6 }, sin_m;
+struct sockaddr_dl blank_sdl = {sizeof(blank_sdl), AF_LINK }, sdl_m;
+int expire_time, flags, found_entry;
+struct {
+ struct rt_msghdr m_rtm;
+ char m_space[512];
+} m_rtmsg;
+
+/*
+ * Set an individual neighbor cache entry
+ */
+int
+set(argc, argv)
+ int argc;
+ char **argv;
+{
+ register struct sockaddr_in6 *sin = &sin_m;
+ register struct sockaddr_dl *sdl;
+ register struct rt_msghdr *rtm = &(m_rtmsg.m_rtm);
+ struct addrinfo hints, *res;
+ int gai_error;
+ u_char *ea;
+ char *host = argv[0], *eaddr = argv[1];
+
+ getsocket();
+ argc -= 2;
+ argv += 2;
+ sdl_m = blank_sdl;
+ sin_m = blank_sin;
+
+ bzero(&hints, sizeof(hints));
+ hints.ai_family = AF_INET6;
+ gai_error = getaddrinfo(host, NULL, &hints, &res);
+ if (gai_error) {
+ fprintf(stderr, "ndp: %s: %s\n", host,
+ gai_strerror(gai_error));
+ return 1;
+ }
+ sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
+#ifdef __KAME__
+ if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr)) {
+ *(u_int16_t *)&sin->sin6_addr.s6_addr[2] =
+ htons(((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id);
+ }
+#endif
+ ea = (u_char *)LLADDR(&sdl_m);
+ if (ndp_ether_aton(eaddr, ea) == 0)
+ sdl_m.sdl_alen = 6;
+ flags = expire_time = 0;
+ while (argc-- > 0) {
+ if (strncmp(argv[0], "temp", 4) == 0) {
+ struct timeval time;
+ gettimeofday(&time, 0);
+ expire_time = time.tv_sec + 20 * 60;
+ } else if (strncmp(argv[0], "proxy", 5) == 0)
+ flags |= RTF_ANNOUNCE;
+ argv++;
+ }
+ if (rtmsg(RTM_GET) < 0) {
+ perror(host);
+ return (1);
+ }
+ sin = (struct sockaddr_in6 *)(rtm + 1);
+ sdl = (struct sockaddr_dl *)(ROUNDUP(sin->sin6_len) + (char *)sin);
+ if (IN6_ARE_ADDR_EQUAL(&sin->sin6_addr, &sin_m.sin6_addr)) {
+ if (sdl->sdl_family == AF_LINK &&
+ (rtm->rtm_flags & RTF_LLINFO) &&
+ !(rtm->rtm_flags & RTF_GATEWAY)) switch (sdl->sdl_type) {
+ case IFT_ETHER: case IFT_FDDI: case IFT_ISO88023:
+ case IFT_ISO88024: case IFT_ISO88025:
+ goto overwrite;
+ }
+ /*
+ * IPv4 arp command retries with sin_other = SIN_PROXY here.
+ */
+ fprintf(stderr, "set: cannot configure a new entry\n");
+ return 1;
+ }
+
+overwrite:
+ if (sdl->sdl_family != AF_LINK) {
+ printf("cannot intuit interface index and type for %s\n", host);
+ return (1);
+ }
+ sdl_m.sdl_type = sdl->sdl_type;
+ sdl_m.sdl_index = sdl->sdl_index;
+ return (rtmsg(RTM_ADD));
+}
+
+/*
+ * Display an individual neighbor cache entry
+ */
+void
+get(host)
+ char *host;
+{
+ struct sockaddr_in6 *sin = &sin_m;
+ struct addrinfo hints, *res;
+ int gai_error;
+
+ sin_m = blank_sin;
+ bzero(&hints, sizeof(hints));
+ hints.ai_family = AF_INET6;
+ gai_error = getaddrinfo(host, NULL, &hints, &res);
+ if (gai_error) {
+ fprintf(stderr, "ndp: %s: %s\n", host,
+ gai_strerror(gai_error));
+ return;
+ }
+ sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
+#ifdef __KAME__
+ if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr)) {
+ *(u_int16_t *)&sin->sin6_addr.s6_addr[2] =
+ htons(((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id);
+ }
+#endif
+ dump(&sin->sin6_addr);
+ if (found_entry == 0) {
+ getnameinfo((struct sockaddr *)sin, sin->sin6_len, host_buf,
+ sizeof(host_buf), NULL ,0,
+ NI_WITHSCOPEID | (nflag ? NI_NUMERICHOST : 0));
+ printf("%s (%s) -- no entry\n", host, host_buf);
+ exit(1);
+ }
+}
+
+/*
+ * Delete a neighbor cache entry
+ */
+int
+delete(host)
+ char *host;
+{
+ struct sockaddr_in6 *sin = &sin_m;
+ register struct rt_msghdr *rtm = &m_rtmsg.m_rtm;
+ struct sockaddr_dl *sdl;
+ struct addrinfo hints, *res;
+ int gai_error;
+
+ getsocket();
+ sin_m = blank_sin;
+
+ bzero(&hints, sizeof(hints));
+ hints.ai_family = AF_INET6;
+ gai_error = getaddrinfo(host, NULL, &hints, &res);
+ if (gai_error) {
+ fprintf(stderr, "ndp: %s: %s\n", host,
+ gai_strerror(gai_error));
+ return 1;
+ }
+ sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
+#ifdef __KAME__
+ if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr)) {
+ *(u_int16_t *)&sin->sin6_addr.s6_addr[2] =
+ htons(((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id);
+ }
+#endif
+ if (rtmsg(RTM_GET) < 0) {
+ perror(host);
+ return (1);
+ }
+ sin = (struct sockaddr_in6 *)(rtm + 1);
+ sdl = (struct sockaddr_dl *)(ROUNDUP(sin->sin6_len) + (char *)sin);
+ if (IN6_ARE_ADDR_EQUAL(&sin->sin6_addr, &sin_m.sin6_addr)) {
+ if (sdl->sdl_family == AF_LINK &&
+ (rtm->rtm_flags & RTF_LLINFO) &&
+ !(rtm->rtm_flags & RTF_GATEWAY)) {
+ goto delete;
+ }
+ /*
+ * IPv4 arp command retries with sin_other = SIN_PROXY here.
+ */
+ fprintf(stderr, "delete: cannot delete non-NDP entry\n");
+ return 1;
+ }
+
+delete:
+ if (sdl->sdl_family != AF_LINK) {
+ printf("cannot locate %s\n", host);
+ return (1);
+ }
+ if (rtmsg(RTM_DELETE) == 0) {
+ struct sockaddr_in6 s6 = *sin; /* XXX: for safety */
+
+#ifdef __KAME__
+ if (IN6_IS_ADDR_LINKLOCAL(&s6.sin6_addr)) {
+ s6.sin6_scope_id = ntohs(*(u_int16_t *)&s6.sin6_addr.s6_addr[2]);
+ *(u_int16_t *)&s6.sin6_addr.s6_addr[2] = 0;
+ }
+#endif
+ getnameinfo((struct sockaddr *)&s6,
+ s6.sin6_len, host_buf,
+ sizeof(host_buf), NULL, 0,
+ NI_WITHSCOPEID | (nflag ? NI_NUMERICHOST : 0));
+ printf("%s (%s) deleted\n", host, host_buf);
+ }
+
+ return 0;
+}
+
+#define W_ADDR 31
+#define W_LL 17
+#define W_IF 6
+
+/*
+ * Dump the entire neighbor cache
+ */
+void
+dump(addr)
+ struct in6_addr *addr;
+{
+ int mib[6];
+ size_t needed;
+ char *lim, *buf, *next;
+ struct rt_msghdr *rtm;
+ struct sockaddr_in6 *sin;
+ struct sockaddr_dl *sdl;
+ extern int h_errno;
+ struct in6_nbrinfo *nbi;
+ struct timeval time;
+ int addrwidth;
+ int llwidth;
+ int ifwidth;
+ char flgbuf[8];
+ char *ifname;
+
+ /* Print header */
+ if (!tflag && !cflag)
+ printf("%-*.*s %-*.*s %*.*s %-9.9s %2s %4s %4s\n",
+ W_ADDR, W_ADDR, "Neighbor", W_LL, W_LL, "Linklayer Address",
+ W_IF, W_IF, "Netif", "Expire", "St", "Flgs", "Prbs");
+
+again:;
+ mib[0] = CTL_NET;
+ mib[1] = PF_ROUTE;
+ mib[2] = 0;
+ mib[3] = AF_INET6;
+ mib[4] = NET_RT_FLAGS;
+ mib[5] = RTF_LLINFO;
+ if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
+ err(1, "sysctl(PF_ROUTE estimate)");
+ if (needed > 0) {
+ if ((buf = malloc(needed)) == NULL)
+ errx(1, "malloc");
+ if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0)
+ err(1, "sysctl(PF_ROUTE, NET_RT_FLAGS)");
+ lim = buf + needed;
+ } else
+ buf = lim = NULL;
+
+ for (next = buf; next && next < lim; next += rtm->rtm_msglen) {
+ int isrouter = 0, prbs = 0;
+
+ rtm = (struct rt_msghdr *)next;
+ sin = (struct sockaddr_in6 *)(rtm + 1);
+ sdl = (struct sockaddr_dl *)((char *)sin + ROUNDUP(sin->sin6_len));
+
+ /*
+ * Some OSes can produce a route that has the LINK flag but
+ * has a non-AF_LINK gateway (e.g. fe80::xx%lo0 on FreeBSD
+ * and BSD/OS, where xx is not the interface identifier on
+ * lo0). Such routes entry would annoy getnbrinfo() below,
+ * so we skip them.
+ * XXX: such routes should have the GATEWAY flag, not the
+ * LINK flag. However, there are rotten routing software
+ * that advertises all routes that have the GATEWAY flag.
+ * Thus, KAME kernel intentionally does not set the LINK flag.
+ * What is to be fixed is not ndp, but such routing software
+ * (and the kernel workaround)...
+ */
+ if (sdl->sdl_family != AF_LINK)
+ continue;
+
+ if (addr) {
+ if (!IN6_ARE_ADDR_EQUAL(addr, &sin->sin6_addr))
+ continue;
+ found_entry = 1;
+ } else if (IN6_IS_ADDR_MULTICAST(&sin->sin6_addr))
+ continue;
+ if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) ||
+ IN6_IS_ADDR_MC_LINKLOCAL(&sin->sin6_addr)) {
+ /* XXX: should scope id be filled in the kernel? */
+ if (sin->sin6_scope_id == 0)
+ sin->sin6_scope_id = sdl->sdl_index;
+#ifdef __KAME__
+ /* KAME specific hack; removed the embedded id */
+ *(u_int16_t *)&sin->sin6_addr.s6_addr[2] = 0;
+#endif
+ }
+ getnameinfo((struct sockaddr *)sin, sin->sin6_len, host_buf,
+ sizeof(host_buf), NULL, 0,
+ NI_WITHSCOPEID | (nflag ? NI_NUMERICHOST : 0));
+ if (cflag == 1) {
+#ifdef RTF_WASCLONED
+ if (rtm->rtm_flags & RTF_WASCLONED)
+ delete(host_buf);
+#else
+ delete(host_buf);
+#endif
+ continue;
+ }
+ gettimeofday(&time, 0);
+ if (tflag)
+ ts_print(&time);
+
+ addrwidth = strlen(host_buf);
+ if (addrwidth < W_ADDR)
+ addrwidth = W_ADDR;
+ llwidth = strlen(ether_str(sdl));
+ if (W_ADDR + W_LL - addrwidth > llwidth)
+ llwidth = W_ADDR + W_LL - addrwidth;
+ ifname = if_indextoname(sdl->sdl_index, ifix_buf);
+ if (!ifname)
+ ifname = "?";
+ ifwidth = strlen(ifname);
+ if (W_ADDR + W_LL + W_IF - addrwidth - llwidth > ifwidth)
+ ifwidth = W_ADDR + W_LL + W_IF - addrwidth - llwidth;
+
+ printf("%-*.*s %-*.*s %*.*s", addrwidth, addrwidth, host_buf,
+ llwidth, llwidth, ether_str(sdl), ifwidth, ifwidth, ifname);
+
+ /* Print neighbor discovery specific informations */
+ nbi = getnbrinfo(&sin->sin6_addr, sdl->sdl_index, 1);
+ if (nbi) {
+ if (nbi->expire > time.tv_sec) {
+ printf(" %-9.9s",
+ sec2str(nbi->expire - time.tv_sec));
+ } else if (nbi->expire == 0)
+ printf(" %-9.9s", "permanent");
+ else
+ printf(" %-9.9s", "expired");
+
+ switch(nbi->state) {
+ case ND6_LLINFO_NOSTATE:
+ printf(" N");
+ break;
+#ifdef ND6_LLINFO_WAITDELETE
+ case ND6_LLINFO_WAITDELETE:
+ printf(" W");
+ break;
+#endif
+ case ND6_LLINFO_INCOMPLETE:
+ printf(" I");
+ break;
+ case ND6_LLINFO_REACHABLE:
+ printf(" R");
+ break;
+ case ND6_LLINFO_STALE:
+ printf(" S");
+ break;
+ case ND6_LLINFO_DELAY:
+ printf(" D");
+ break;
+ case ND6_LLINFO_PROBE:
+ printf(" P");
+ break;
+ default:
+ printf(" ?");
+ break;
+ }
+
+ isrouter = nbi->isrouter;
+ prbs = nbi->asked;
+ } else {
+ warnx("failed to get neighbor information");
+ printf(" ");
+ }
+ putchar(' ');
+
+ /*
+ * other flags. R: router, P: proxy, W: ??
+ */
+ if ((rtm->rtm_addrs & RTA_NETMASK) == 0) {
+ snprintf(flgbuf, sizeof(flgbuf), "%s%s",
+ isrouter ? "R" : "",
+ (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : "");
+ } else {
+ sin = (struct sockaddr_in6 *)
+ (sdl->sdl_len + (char *)sdl);
+ snprintf(flgbuf, sizeof(flgbuf), "%s%s%s%s",
+ isrouter ? "R" : "",
+ !IN6_IS_ADDR_UNSPECIFIED(&sin->sin6_addr)
+ ? "P" : "",
+ (sin->sin6_len != sizeof(struct sockaddr_in6))
+ ? "W" : "",
+ (rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : "");
+ }
+ printf(" %-4.4s", flgbuf);
+
+ if (prbs)
+ printf(" %4d", prbs);
+
+ printf("\n");
+ }
+ if (buf != NULL)
+ free(buf);
+
+ if (repeat) {
+ printf("\n");
+ sleep(repeat);
+ goto again;
+ }
+}
+
+static struct in6_nbrinfo *
+getnbrinfo(addr, ifindex, warning)
+ struct in6_addr *addr;
+ int ifindex;
+ int warning;
+{
+ static struct in6_nbrinfo nbi;
+ int s;
+
+ if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
+ err(1, "socket");
+
+ bzero(&nbi, sizeof(nbi));
+ if_indextoname(ifindex, nbi.ifname);
+ nbi.addr = *addr;
+ if (ioctl(s, SIOCGNBRINFO_IN6, (caddr_t)&nbi) < 0) {
+ if (warning)
+ warn("ioctl(SIOCGNBRINFO_IN6)");
+ close(s);
+ return(NULL);
+ }
+
+ close(s);
+ return(&nbi);
+}
+
+static char *
+ether_str(sdl)
+ struct sockaddr_dl *sdl;
+{
+ static char ebuf[32];
+ u_char *cp;
+
+ if (sdl->sdl_alen) {
+ cp = (u_char *)LLADDR(sdl);
+ sprintf(ebuf, "%x:%x:%x:%x:%x:%x",
+ cp[0], cp[1], cp[2], cp[3], cp[4], cp[5]);
+ } else {
+ sprintf(ebuf, "(incomplete)");
+ }
+
+ return(ebuf);
+}
+
+int
+ndp_ether_aton(a, n)
+ char *a;
+ u_char *n;
+{
+ int i, o[6];
+
+ i = sscanf(a, "%x:%x:%x:%x:%x:%x", &o[0], &o[1], &o[2],
+ &o[3], &o[4], &o[5]);
+ if (i != 6) {
+ fprintf(stderr, "ndp: invalid Ethernet address '%s'\n", a);
+ return (1);
+ }
+ for (i=0; i<6; i++)
+ n[i] = o[i];
+ return (0);
+}
+
+void
+usage()
+{
+ printf("usage: ndp hostname\n");
+ printf(" ndp -a[nt]\n");
+ printf(" ndp [-nt] -A wait\n");
+ printf(" ndp -c[nt]\n");
+ printf(" ndp -d[nt] hostname\n");
+ printf(" ndp -f[nt] filename\n");
+ printf(" ndp -i interface [flags...]\n");
+#ifdef SIOCSDEFIFACE_IN6
+ printf(" ndp -I [interface|delete]\n");
+#endif
+ printf(" ndp -p\n");
+ printf(" ndp -r\n");
+ printf(" ndp -s hostname ether_addr [temp] [proxy]\n");
+ printf(" ndp -H\n");
+ printf(" ndp -P\n");
+ printf(" ndp -R\n");
+ exit(1);
+}
+
+int
+rtmsg(cmd)
+ int cmd;
+{
+ static int seq;
+ int rlen;
+ register struct rt_msghdr *rtm = &m_rtmsg.m_rtm;
+ register char *cp = m_rtmsg.m_space;
+ register int l;
+
+ errno = 0;
+ if (cmd == RTM_DELETE)
+ goto doit;
+ bzero((char *)&m_rtmsg, sizeof(m_rtmsg));
+ rtm->rtm_flags = flags;
+ rtm->rtm_version = RTM_VERSION;
+
+ switch (cmd) {
+ default:
+ fprintf(stderr, "ndp: internal wrong cmd\n");
+ exit(1);
+ case RTM_ADD:
+ rtm->rtm_addrs |= RTA_GATEWAY;
+ rtm->rtm_rmx.rmx_expire = expire_time;
+ rtm->rtm_inits = RTV_EXPIRE;
+ rtm->rtm_flags |= (RTF_HOST | RTF_STATIC);
+ if (rtm->rtm_flags & RTF_ANNOUNCE) {
+ rtm->rtm_flags &= ~RTF_HOST;
+ rtm->rtm_flags |= RTA_NETMASK;
+ }
+ /* FALLTHROUGH */
+ case RTM_GET:
+ rtm->rtm_addrs |= RTA_DST;
+ }
+#define NEXTADDR(w, s) \
+ if (rtm->rtm_addrs & (w)) { \
+ bcopy((char *)&s, cp, sizeof(s)); cp += sizeof(s);}
+
+ NEXTADDR(RTA_DST, sin_m);
+ NEXTADDR(RTA_GATEWAY, sdl_m);
+ memset(&so_mask.sin6_addr, 0xff, sizeof(so_mask.sin6_addr));
+ NEXTADDR(RTA_NETMASK, so_mask);
+
+ rtm->rtm_msglen = cp - (char *)&m_rtmsg;
+doit:
+ l = rtm->rtm_msglen;
+ rtm->rtm_seq = ++seq;
+ rtm->rtm_type = cmd;
+ if ((rlen = write(s, (char *)&m_rtmsg, l)) < 0) {
+ if (errno != ESRCH || cmd != RTM_DELETE) {
+ perror("writing to routing socket");
+ return (-1);
+ }
+ }
+ do {
+ l = read(s, (char *)&m_rtmsg, sizeof(m_rtmsg));
+ } while (l > 0 && (rtm->rtm_seq != seq || rtm->rtm_pid != pid));
+ if (l < 0)
+ (void) fprintf(stderr, "ndp: read from routing socket: %s\n",
+ strerror(errno));
+ return (0);
+}
+
+void
+ifinfo(argc, argv)
+ int argc;
+ char **argv;
+{
+ struct in6_ndireq nd;
+ int i, s;
+ char *ifname = argv[0];
+ u_int32_t newflags;
+#ifdef IPV6CTL_USETEMPADDR
+ u_int8_t nullbuf[8];
+#endif
+
+ if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
+ perror("ndp: socket");
+ exit(1);
+ }
+ bzero(&nd, sizeof(nd));
+ strcpy(nd.ifname, ifname);
+ if (ioctl(s, SIOCGIFINFO_IN6, (caddr_t)&nd) < 0) {
+ perror("ioctl (SIOCGIFINFO_IN6)");
+ exit(1);
+ }
+#define ND nd.ndi
+ newflags = ND.flags;
+ for (i = 1; i < argc; i++) {
+ int clear = 0;
+ char *cp = argv[i];
+
+ if (*cp == '-') {
+ clear = 1;
+ cp++;
+ }
+
+#define SETFLAG(s, f) \
+ do {\
+ if (strcmp(cp, (s)) == 0) {\
+ if (clear)\
+ newflags &= ~(f);\
+ else\
+ newflags |= (f);\
+ }\
+ } while (0)
+ SETFLAG("nud", ND6_IFF_PERFORMNUD);
+
+ ND.flags = newflags;
+ if (ioctl(s, SIOCSIFINFO_FLAGS, (caddr_t)&nd) < 0) {
+ perror("ioctl(SIOCSIFINFO_FLAGS)");
+ exit(1);
+ }
+#undef SETFLAG
+ }
+
+ printf("linkmtu=%d", ND.linkmtu);
+ printf(", curhlim=%d", ND.chlim);
+ printf(", basereachable=%ds%dms",
+ ND.basereachable / 1000, ND.basereachable % 1000);
+ printf(", reachable=%ds", ND.reachable);
+ printf(", retrans=%ds%dms", ND.retrans / 1000, ND.retrans % 1000);
+#ifdef IPV6CTL_USETEMPADDR
+ memset(nullbuf, 0, sizeof(nullbuf));
+ if (memcmp(nullbuf, ND.randomid, sizeof(nullbuf)) != 0) {
+ int j;
+ u_int8_t *rbuf;
+
+ for (i = 0; i < 3; i++) {
+ switch(i) {
+ case 0:
+ printf("\nRandom seed(0): ");
+ rbuf = ND.randomseed0;
+ break;
+ case 1:
+ printf("\nRandom seed(1): ");
+ rbuf = ND.randomseed1;
+ break;
+ case 2:
+ printf("\nRandom ID: ");
+ rbuf = ND.randomid;
+ break;
+ }
+ for (j = 0; j < 8; j++)
+ printf("%02x", rbuf[j]);
+ }
+ }
+#endif
+ if (ND.flags) {
+ printf("\nFlags: ");
+ if ((ND.flags & ND6_IFF_PERFORMNUD) != 0)
+ printf("PERFORMNUD ");
+ }
+ putc('\n', stdout);
+#undef ND
+
+ close(s);
+}
+
+#ifndef ND_RA_FLAG_RTPREF_MASK /* XXX: just for compilation on *BSD release */
+#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
+#endif
+
+void
+rtrlist()
+{
+#ifdef ICMPV6CTL_ND6_DRLIST
+ int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_DRLIST };
+ char *buf;
+ struct in6_defrouter *p, *ep;
+ size_t l;
+ struct timeval time;
+
+ if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), NULL, &l, NULL, 0) < 0) {
+ err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)");
+ /*NOTREACHED*/
+ }
+ buf = malloc(l);
+ if (!buf) {
+ errx(1, "not enough core");
+ /*NOTREACHED*/
+ }
+ if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &l, NULL, 0) < 0) {
+ err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)");
+ /*NOTREACHED*/
+ }
+
+ ep = (struct in6_defrouter *)(buf + l);
+ for (p = (struct in6_defrouter *)buf; p < ep; p++) {
+ int rtpref;
+
+ if (getnameinfo((struct sockaddr *)&p->rtaddr,
+ p->rtaddr.sin6_len, host_buf, sizeof(host_buf), NULL, 0,
+ NI_WITHSCOPEID | (nflag ? NI_NUMERICHOST : 0)) != 0)
+ strlcpy(host_buf, "?", sizeof(host_buf));
+
+ printf("%s if=%s", host_buf,
+ if_indextoname(p->if_index, ifix_buf));
+ printf(", flags=%s%s",
+ p->flags & ND_RA_FLAG_MANAGED ? "M" : "",
+ p->flags & ND_RA_FLAG_OTHER ? "O" : "");
+ rtpref = ((p->flags & ND_RA_FLAG_RTPREF_MASK) >> 3) & 0xff;
+ printf(", pref=%s", rtpref_str[rtpref]);
+
+ gettimeofday(&time, 0);
+ if (p->expire == 0)
+ printf(", expire=Never\n");
+ else
+ printf(", expire=%s\n",
+ sec2str(p->expire - time.tv_sec));
+ }
+ free(buf);
+#else
+ struct in6_drlist dr;
+ int s, i;
+ struct timeval time;
+
+ if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
+ perror("ndp: socket");
+ exit(1);
+ }
+ bzero(&dr, sizeof(dr));
+ strcpy(dr.ifname, "lo0"); /* dummy */
+ if (ioctl(s, SIOCGDRLST_IN6, (caddr_t)&dr) < 0) {
+ perror("ioctl (SIOCGDRLST_IN6)");
+ exit(1);
+ }
+#define DR dr.defrouter[i]
+ for (i = 0 ; DR.if_index && i < DRLSTSIZ ; i++) {
+ struct sockaddr_in6 sin6;
+
+ bzero(&sin6, sizeof(sin6));
+ sin6.sin6_family = AF_INET6;
+ sin6.sin6_len = sizeof(sin6);
+ sin6.sin6_addr = DR.rtaddr;
+ getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, host_buf,
+ sizeof(host_buf), NULL, 0,
+ NI_WITHSCOPEID | (nflag ? NI_NUMERICHOST : 0));
+
+ printf("%s if=%s", host_buf,
+ if_indextoname(DR.if_index, ifix_buf));
+ printf(", flags=%s%s",
+ DR.flags & ND_RA_FLAG_MANAGED ? "M" : "",
+ DR.flags & ND_RA_FLAG_OTHER ? "O" : "");
+ gettimeofday(&time, 0);
+ if (DR.expire == 0)
+ printf(", expire=Never\n");
+ else
+ printf(", expire=%s\n",
+ sec2str(DR.expire - time.tv_sec));
+ }
+#undef DR
+ close(s);
+#endif
+}
+
+void
+plist()
+{
+#ifdef ICMPV6CTL_ND6_PRLIST
+ int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_PRLIST };
+ char *buf;
+ struct in6_prefix *p, *ep, *n;
+ struct sockaddr_in6 *advrtr;
+ size_t l;
+ struct timeval time;
+#ifdef NI_WITHSCOPEID
+ const int niflags = NI_NUMERICHOST | NI_WITHSCOPEID;
+ int ninflags = (nflag ? NI_NUMERICHOST : 0) | NI_WITHSCOPEID;
+#else
+ const int niflags = NI_NUMERICHOST;
+ int ninflags = nflag ? NI_NUMERICHOST : 0;
+#endif
+ char namebuf[NI_MAXHOST];
+
+ if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), NULL, &l, NULL, 0) < 0) {
+ err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)");
+ /*NOTREACHED*/
+ }
+ buf = malloc(l);
+ if (!buf) {
+ errx(1, "not enough core");
+ /*NOTREACHED*/
+ }
+ if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &l, NULL, 0) < 0) {
+ err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)");
+ /*NOTREACHED*/
+ }
+
+ ep = (struct in6_prefix *)(buf + l);
+ for (p = (struct in6_prefix *)buf; p < ep; p = n) {
+ advrtr = (struct sockaddr_in6 *)(p + 1);
+ n = (struct in6_prefix *)&advrtr[p->advrtrs];
+
+ if (getnameinfo((struct sockaddr *)&p->prefix,
+ p->prefix.sin6_len, namebuf, sizeof(namebuf),
+ NULL, 0, niflags) != 0)
+ strlcpy(namebuf, "?", sizeof(namebuf));
+ printf("%s/%d if=%s\n", namebuf, p->prefixlen,
+ if_indextoname(p->if_index, ifix_buf));
+
+ gettimeofday(&time, 0);
+ /*
+ * meaning of fields, especially flags, is very different
+ * by origin. notify the difference to the users.
+ */
+ printf("flags=%s%s%s%s%s",
+ p->raflags.onlink ? "L" : "",
+ p->raflags.autonomous ? "A" : "",
+ (p->flags & NDPRF_ONLINK) != 0 ? "O" : "",
+ (p->flags & NDPRF_DETACHED) != 0 ? "D" : "",
+#ifdef NDPRF_HOME
+ (p->flags & NDPRF_HOME) != 0 ? "H" : ""
+#else
+ ""
+#endif
+ );
+ if (p->vltime == ND6_INFINITE_LIFETIME)
+ printf(" vltime=infinity");
+ else
+ printf(" vltime=%ld", (long)p->vltime);
+ if (p->pltime == ND6_INFINITE_LIFETIME)
+ printf(", pltime=infinity");
+ else
+ printf(", pltime=%ld", (long)p->pltime);
+ if (p->expire == 0)
+ printf(", expire=Never");
+ else if (p->expire >= time.tv_sec)
+ printf(", expire=%s",
+ sec2str(p->expire - time.tv_sec));
+ else
+ printf(", expired");
+ printf(", ref=%d", p->refcnt);
+ printf("\n");
+ /*
+ * "advertising router" list is meaningful only if the prefix
+ * information is from RA.
+ */
+ if (p->advrtrs) {
+ int j;
+ struct sockaddr_in6 *sin6;
+
+ sin6 = (struct sockaddr_in6 *)(p + 1);
+ printf(" advertised by\n");
+ for (j = 0; j < p->advrtrs; j++) {
+ struct in6_nbrinfo *nbi;
+
+ if (getnameinfo((struct sockaddr *)sin6,
+ sin6->sin6_len, namebuf, sizeof(namebuf),
+ NULL, 0, ninflags) != 0)
+ strlcpy(namebuf, "?", sizeof(namebuf));
+ printf(" %s", namebuf);
+
+ nbi = getnbrinfo(&sin6->sin6_addr, p->if_index,
+ 0);
+ if (nbi) {
+ switch(nbi->state) {
+ case ND6_LLINFO_REACHABLE:
+ case ND6_LLINFO_STALE:
+ case ND6_LLINFO_DELAY:
+ case ND6_LLINFO_PROBE:
+ printf(" (reachable)\n");
+ break;
+ default:
+ printf(" (unreachable)\n");
+ }
+ } else
+ printf(" (no neighbor state)\n");
+ sin6++;
+ }
+ } else
+ printf(" No advertising router\n");
+ }
+ free(buf);
+#else
+ struct in6_prlist pr;
+ int s, i;
+ struct timeval time;
+
+ gettimeofday(&time, 0);
+
+ if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
+ perror("ndp: socket");
+ exit(1);
+ }
+ bzero(&pr, sizeof(pr));
+ strcpy(pr.ifname, "lo0"); /* dummy */
+ if (ioctl(s, SIOCGPRLST_IN6, (caddr_t)&pr) < 0) {
+ perror("ioctl (SIOCGPRLST_IN6)");
+ exit(1);
+ }
+#define PR pr.prefix[i]
+ for (i = 0; PR.if_index && i < PRLSTSIZ ; i++) {
+ struct sockaddr_in6 p6;
+ char namebuf[NI_MAXHOST];
+ int niflags;
+
+#ifdef NDPRF_ONLINK
+ p6 = PR.prefix;
+#else
+ memset(&p6, 0, sizeof(p6));
+ p6.sin6_family = AF_INET6;
+ p6.sin6_len = sizeof(p6);
+ p6.sin6_addr = PR.prefix;
+#endif
+
+ /*
+ * copy link index to sin6_scope_id field.
+ * XXX: KAME specific.
+ */
+ if (IN6_IS_ADDR_LINKLOCAL(&p6.sin6_addr)) {
+ u_int16_t linkid;
+
+ memcpy(&linkid, &p6.sin6_addr.s6_addr[2],
+ sizeof(linkid));
+ linkid = ntohs(linkid);
+ p6.sin6_scope_id = linkid;
+ p6.sin6_addr.s6_addr[2] = 0;
+ p6.sin6_addr.s6_addr[3] = 0;
+ }
+
+ niflags = NI_NUMERICHOST;
+#ifdef __KAME__
+ niflags |= NI_WITHSCOPEID;
+#endif
+ if (getnameinfo((struct sockaddr *)&p6,
+ sizeof(p6), namebuf, sizeof(namebuf),
+ NULL, 0, niflags)) {
+ warnx("getnameinfo failed");
+ continue;
+ }
+ printf("%s/%d if=%s\n", namebuf, PR.prefixlen,
+ if_indextoname(PR.if_index, ifix_buf));
+
+ gettimeofday(&time, 0);
+ /*
+ * meaning of fields, especially flags, is very different
+ * by origin. notify the difference to the users.
+ */
+#if 0
+ printf(" %s",
+ PR.origin == PR_ORIG_RA ? "" : "advertise: ");
+#endif
+#ifdef NDPRF_ONLINK
+ printf("flags=%s%s%s%s%s",
+ PR.raflags.onlink ? "L" : "",
+ PR.raflags.autonomous ? "A" : "",
+ (PR.flags & NDPRF_ONLINK) != 0 ? "O" : "",
+ (PR.flags & NDPRF_DETACHED) != 0 ? "D" : "",
+#ifdef NDPRF_HOME
+ (PR.flags & NDPRF_HOME) != 0 ? "H" : ""
+#else
+ ""
+#endif
+ );
+#else
+ printf("flags=%s%s",
+ PR.raflags.onlink ? "L" : "",
+ PR.raflags.autonomous ? "A" : "");
+#endif
+ if (PR.vltime == ND6_INFINITE_LIFETIME)
+ printf(" vltime=infinity");
+ else
+ printf(" vltime=%ld", (long)PR.vltime);
+ if (PR.pltime == ND6_INFINITE_LIFETIME)
+ printf(", pltime=infinity");
+ else
+ printf(", pltime=%ld", (long)PR.pltime);
+ if (PR.expire == 0)
+ printf(", expire=Never");
+ else if (PR.expire >= time.tv_sec)
+ printf(", expire=%s",
+ sec2str(PR.expire - time.tv_sec));
+ else
+ printf(", expired");
+#ifdef NDPRF_ONLINK
+ printf(", ref=%d", PR.refcnt);
+#endif
+#if 0
+ switch (PR.origin) {
+ case PR_ORIG_RA:
+ printf(", origin=RA");
+ break;
+ case PR_ORIG_RR:
+ printf(", origin=RR");
+ break;
+ case PR_ORIG_STATIC:
+ printf(", origin=static");
+ break;
+ case PR_ORIG_KERNEL:
+ printf(", origin=kernel");
+ break;
+ default:
+ printf(", origin=?");
+ break;
+ }
+#endif
+ printf("\n");
+ /*
+ * "advertising router" list is meaningful only if the prefix
+ * information is from RA.
+ */
+ if (0 && /* prefix origin is almost obsolted */
+ PR.origin != PR_ORIG_RA)
+ ;
+ else if (PR.advrtrs) {
+ int j;
+ printf(" advertised by\n");
+ for (j = 0; j < PR.advrtrs; j++) {
+ struct sockaddr_in6 sin6;
+ struct in6_nbrinfo *nbi;
+
+ bzero(&sin6, sizeof(sin6));
+ sin6.sin6_family = AF_INET6;
+ sin6.sin6_len = sizeof(sin6);
+ sin6.sin6_addr = PR.advrtr[j];
+ sin6.sin6_scope_id = PR.if_index; /* XXX */
+ getnameinfo((struct sockaddr *)&sin6,
+ sin6.sin6_len, host_buf,
+ sizeof(host_buf), NULL, 0,
+ NI_WITHSCOPEID | (nflag ? NI_NUMERICHOST : 0));
+ printf(" %s", host_buf);
+
+ nbi = getnbrinfo(&sin6.sin6_addr, PR.if_index,
+ 0);
+ if (nbi) {
+ switch(nbi->state) {
+ case ND6_LLINFO_REACHABLE:
+ case ND6_LLINFO_STALE:
+ case ND6_LLINFO_DELAY:
+ case ND6_LLINFO_PROBE:
+ printf(" (reachable)\n");
+ break;
+ default:
+ printf(" (unreachable)\n");
+ }
+ } else
+ printf(" (no neighbor state)\n");
+ }
+ if (PR.advrtrs > DRLSTSIZ)
+ printf(" and %d routers\n",
+ PR.advrtrs - DRLSTSIZ);
+ } else
+ printf(" No advertising router\n");
+ }
+#undef PR
+ close(s);
+#endif
+}
+
+void
+pfx_flush()
+{
+ char dummyif[IFNAMSIZ+8];
+ int s;
+
+ if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
+ err(1, "socket");
+ strcpy(dummyif, "lo0"); /* dummy */
+ if (ioctl(s, SIOCSPFXFLUSH_IN6, (caddr_t)&dummyif) < 0)
+ err(1, "ioctl(SIOCSPFXFLUSH_IN6)");
+}
+
+void
+rtr_flush()
+{
+ char dummyif[IFNAMSIZ+8];
+ int s;
+
+ if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
+ err(1, "socket");
+ strcpy(dummyif, "lo0"); /* dummy */
+ if (ioctl(s, SIOCSRTRFLUSH_IN6, (caddr_t)&dummyif) < 0)
+ err(1, "ioctl(SIOCSRTRFLUSH_IN6)");
+
+ close(s);
+}
+
+void
+harmonize_rtr()
+{
+ char dummyif[IFNAMSIZ+8];
+ int s;
+
+ if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
+ err(1, "socket");
+ strcpy(dummyif, "lo0"); /* dummy */
+ if (ioctl(s, SIOCSNDFLUSH_IN6, (caddr_t)&dummyif) < 0)
+ err(1, "ioctl (SIOCSNDFLUSH_IN6)");
+
+ close(s);
+}
+
+#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */
+static void
+setdefif(ifname)
+ char *ifname;
+{
+ struct in6_ndifreq ndifreq;
+ unsigned int ifindex;
+
+ if (strcasecmp(ifname, "delete") == 0)
+ ifindex = 0;
+ else {
+ if ((ifindex = if_nametoindex(ifname)) == 0)
+ err(1, "failed to resolve i/f index for %s", ifname);
+ }
+
+ if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
+ err(1, "socket");
+
+ strcpy(ndifreq.ifname, "lo0"); /* dummy */
+ ndifreq.ifindex = ifindex;
+
+ if (ioctl(s, SIOCSDEFIFACE_IN6, (caddr_t)&ndifreq) < 0)
+ err(1, "ioctl (SIOCSDEFIFACE_IN6)");
+
+ close(s);
+}
+
+static void
+getdefif()
+{
+ struct in6_ndifreq ndifreq;
+ char ifname[IFNAMSIZ+8];
+
+ if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
+ err(1, "socket");
+
+ memset(&ndifreq, 0, sizeof(ndifreq));
+ strcpy(ndifreq.ifname, "lo0"); /* dummy */
+
+ if (ioctl(s, SIOCGDEFIFACE_IN6, (caddr_t)&ndifreq) < 0)
+ err(1, "ioctl (SIOCGDEFIFACE_IN6)");
+
+ if (ndifreq.ifindex == 0)
+ printf("No default interface.\n");
+ else {
+ if ((if_indextoname(ndifreq.ifindex, ifname)) == NULL)
+ err(1, "failed to resolve ifname for index %lu",
+ ndifreq.ifindex);
+ printf("ND default interface = %s\n", ifname);
+ }
+
+ close(s);
+}
+#endif
+
+static char *
+sec2str(total)
+ time_t total;
+{
+ static char result[256];
+ int days, hours, mins, secs;
+ int first = 1;
+ char *p = result;
+
+ days = total / 3600 / 24;
+ hours = (total / 3600) % 24;
+ mins = (total / 60) % 60;
+ secs = total % 60;
+
+ if (days) {
+ first = 0;
+ p += sprintf(p, "%dd", days);
+ }
+ if (!first || hours) {
+ first = 0;
+ p += sprintf(p, "%dh", hours);
+ }
+ if (!first || mins) {
+ first = 0;
+ p += sprintf(p, "%dm", mins);
+ }
+ sprintf(p, "%ds", secs);
+
+ return(result);
+}
+
+/*
+ * Print the timestamp
+ * from tcpdump/util.c
+ */
+static void
+ts_print(tvp)
+ const struct timeval *tvp;
+{
+ int s;
+
+ /* Default */
+ s = (tvp->tv_sec + thiszone) % 86400;
+ (void)printf("%02d:%02d:%02d.%06u ",
+ s / 3600, (s % 3600) / 60, s % 60, (u_int32_t)tvp->tv_usec);
+}
projects / apple / network_cmds.git / blobdiff