2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95";
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
39 #include <sys/param.h>
40 #include <sys/protosw.h>
41 #include <sys/socket.h>
42 #include <sys/socketvar.h>
45 #include <net/ethernet.h>
47 #include <net/if_var.h>
48 #include <net/if_dl.h>
49 #include <net/if_types.h>
50 #include <net/radix.h>
52 #include <net/route.h>
54 #include <netinet/in.h>
55 #include <netgraph/ng_socket.h>
57 #include <sys/sysctl.h>
59 #include <arpa/inet.h>
73 #define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
76 * Definitions for showing gateway flags.
87 { RTF_MODIFIED, 'M' },
88 { RTF_DONE, 'd' }, /* Completed -- for routing messages only */
89 { RTF_XRESOLVE, 'X' },
94 { RTF_BLACKHOLE,'B' },
95 { RTF_BROADCAST,'b' },
103 * kvm(3) bindings for every needed symbol
105 static struct nlist rl[] = {
107 { .n_name = "_rtstat" },
109 { .n_name = "_rt_tables"},
111 { .n_name = "_rttrash" },
116 long dummy; /* Helps align structure. */
117 struct sockaddr u_sa;
124 char ifname[IFNAMSIZ];
127 static struct ifmap_entry *ifmap;
128 static int ifmap_size;
131 struct rtentry rtentry;
132 struct radix_node rnode;
133 struct radix_mask rmask;
137 struct timespec uptime;
139 static struct sockaddr *kgetsa(struct sockaddr *);
140 static void size_cols(int ef, struct radix_node *rn);
141 static void size_cols_tree(struct radix_node *rn);
142 static void size_cols_rtentry(struct rtentry *rt);
143 static void p_rtnode_kvm(void);
144 static void p_rtable_sysctl(int, int);
145 static void p_rtable_kvm(int, int );
146 static void p_rtree_kvm(struct radix_node *);
147 static void p_rtentry_sysctl(struct rt_msghdr *);
148 static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int);
149 static const char *fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask,
151 static void p_flags(int, const char *);
152 static const char *fmt_flags(int f);
153 static void p_rtentry_kvm(struct rtentry *);
154 static void domask(char *, in_addr_t, u_long);
157 * Print routing tables.
160 routepr(int fibnum, int af)
165 intsize = sizeof(int);
167 sysctlbyname("net.my_fibnum", &fibnum, &intsize, NULL, 0) == -1)
169 if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)
171 if (fibnum < 0 || fibnum > numfibs - 1)
172 errx(EX_USAGE, "%d: invalid fib", fibnum);
174 * Since kernel & userland use different timebase
175 * (time_uptime vs time_second) and we are reading kernel memory
176 * directly we should do rt_expire --> expire_time conversion.
178 if (clock_gettime(CLOCK_UPTIME, &uptime) < 0)
179 err(EX_OSERR, "clock_gettime() failed");
181 printf("Routing tables");
183 printf(" (fib: %d)", fibnum);
186 if (Aflag == 0 && live != 0 && NewTree)
187 p_rtable_sysctl(fibnum, af);
189 p_rtable_kvm(fibnum, af);
194 * Print address family header before a section of the routing table.
207 afname = "Internet6";
224 printf("\n%s:\n", afname);
226 printf("\nProtocol Family %d:\n", af1);
229 /* column widths; each followed by one space */
231 #define WID_DST_DEFAULT(af) 18 /* width of destination column */
232 #define WID_GW_DEFAULT(af) 18 /* width of gateway column */
233 #define WID_IF_DEFAULT(af) (Wflag ? 10 : 8) /* width of netif column */
235 #define WID_DST_DEFAULT(af) \
236 ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
237 #define WID_GW_DEFAULT(af) \
238 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
239 #define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 10 : 8))
244 static int wid_flags;
245 static int wid_pksent;
248 static int wid_expire;
251 size_cols(int ef, struct radix_node *rn)
253 wid_dst = WID_DST_DEFAULT(ef);
254 wid_gw = WID_GW_DEFAULT(ef);
258 wid_if = WID_IF_DEFAULT(ef);
261 if (Wflag && rn != NULL)
266 size_cols_tree(struct radix_node *rn)
269 if (kget(rn, rnode) != 0)
271 if (!(rnode.rn_flags & RNF_ACTIVE))
273 if (rnode.rn_bit < 0) {
274 if ((rnode.rn_flags & RNF_ROOT) == 0) {
275 if (kget(rn, rtentry) != 0)
277 size_cols_rtentry(&rtentry);
279 if ((rn = rnode.rn_dupedkey))
283 size_cols_tree(rnode.rn_left);
289 size_cols_rtentry(struct rtentry *rt)
291 static struct ifnet ifnet, *lastif;
292 static char buffer[100];
298 bzero(&addr, sizeof(addr));
299 if ((sa = kgetsa(rt_key(rt))))
300 bcopy(sa, &addr, sa->sa_len);
301 bzero(&mask, sizeof(mask));
302 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
303 bcopy(sa, &mask, sa->sa_len);
304 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags);
306 wid_dst = MAX(len, wid_dst);
308 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST);
310 wid_gw = MAX(len, wid_gw);
312 bp = fmt_flags(rt->rt_flags);
314 wid_flags = MAX(len, wid_flags);
317 len = snprintf(buffer, sizeof(buffer), "%ju",
318 (uintmax_t )kread_counter((u_long )rt->rt_pksent));
319 wid_pksent = MAX(len, wid_pksent);
322 if (rt->rt_ifp != lastif) {
323 if (kget(rt->rt_ifp, ifnet) == 0)
324 len = strlen(ifnet.if_xname);
328 wid_if = MAX(len, wid_if);
334 rt->rt_expire - uptime.tv_sec) > 0) {
335 len = snprintf(buffer, sizeof(buffer), "%d",
337 wid_expire = MAX(len, wid_expire);
345 * Print header for routing table columns.
352 printf("%-8.8s ","Address");
354 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*s\n",
355 wid_dst, wid_dst, "Destination",
356 wid_gw, wid_gw, "Gateway",
357 wid_flags, wid_flags, "Flags",
358 wid_pksent, wid_pksent, "Use",
359 wid_mtu, wid_mtu, "Mtu",
360 wid_if, wid_if, "Netif",
361 wid_expire, "Expire");
363 printf("%-*.*s %-*.*s %-*.*s %*.*s %*s\n",
364 wid_dst, wid_dst, "Destination",
365 wid_gw, wid_gw, "Gateway",
366 wid_flags, wid_flags, "Flags",
367 wid_if, wid_if, "Netif",
368 wid_expire, "Expire");
372 static struct sockaddr *
373 kgetsa(struct sockaddr *dst)
376 if (kget(dst, pt_u.u_sa) != 0)
378 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
379 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
384 * Print kernel routing tables for given fib
385 * using debugging kvm(3) interface.
388 p_rtable_kvm(int fibnum, int af)
390 struct radix_node_head **rnhp, *rnh, head;
391 struct radix_node_head **rt_tables;
396 if ((rtree = rl[N_RTREE].n_value) == 0) {
397 printf("rt_tables: symbol not in namelist\n");
401 af_size = (AF_MAX + 1) * sizeof(struct radix_node_head *);
402 rt_tables = calloc(1, af_size);
403 if (rt_tables == NULL)
404 err(EX_OSERR, "memory allocation failed");
406 if (kread((u_long)(rtree), (char *)(rt_tables) + fibnum * af_size,
408 err(EX_OSERR, "error retrieving radix pointers");
409 for (fam = 0; fam <= AF_MAX; fam++) {
420 rnhp = (struct radix_node_head **)*rt_tables;
421 /* Calculate the in-kernel address. */
422 rnhp += tmpfib * (AF_MAX + 1) + fam;
423 /* Read the in kernel rhn pointer. */
424 if (kget(rnhp, rnh) != 0)
428 /* Read the rnh data. */
429 if (kget(rnh, head) != 0)
431 if (fam == AF_UNSPEC) {
432 if (Aflag && af == 0) {
433 printf("Netmasks:\n");
434 p_rtree_kvm(head.rnh_treetop);
436 } else if (af == AF_UNSPEC || af == fam) {
437 size_cols(fam, head.rnh_treetop);
441 p_rtree_kvm(head.rnh_treetop);
449 * Print given kernel radix tree using
450 * debugging kvm(3) interface.
453 p_rtree_kvm(struct radix_node *rn)
457 if (kget(rn, rnode) != 0)
459 if (!(rnode.rn_flags & RNF_ACTIVE))
461 if (rnode.rn_bit < 0) {
463 printf("%-8.8lx ", (u_long)rn);
464 if (rnode.rn_flags & RNF_ROOT) {
466 printf("(root node)%s",
467 rnode.rn_dupedkey ? " =>\n" : "\n");
468 } else if (do_rtent) {
469 if (kget(rn, rtentry) == 0) {
470 p_rtentry_kvm(&rtentry);
475 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
479 if ((rn = rnode.rn_dupedkey))
482 if (Aflag && do_rtent) {
483 printf("%-8.8lx ", (u_long)rn);
487 p_rtree_kvm(rnode.rn_left);
497 struct radix_mask *rm = rnode.rn_mklist;
499 if (rnode.rn_bit < 0) {
502 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
507 sprintf(nbuf, "(%d)", rnode.rn_bit);
508 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
511 if (kget(rm, rmask) != 0)
513 sprintf(nbuf, " %d refs, ", rmask.rm_refs);
514 printf(" mk = %8.8lx {(%d),%s",
515 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " ");
516 if (rmask.rm_flags & RNF_NORMAL) {
517 struct radix_node rnode_aux;
518 printf(" <normal>, ");
519 if (kget(rmask.rm_leaf, rnode_aux) == 0)
520 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
523 p_sockaddr(NULL, NULL, 0, -1);
525 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
528 if ((rm = rmask.rm_mklist))
535 p_rtable_sysctl(int fibnum, int af)
539 char *buf, *next, *lim;
540 struct rt_msghdr *rtm;
542 int fam = 0, ifindex = 0, size;
544 struct ifaddrs *ifap, *ifa;
545 struct sockaddr_dl *sdl;
548 * Retrieve interface list at first
549 * since we need #ifindex -> if_xname match
551 if (getifaddrs(&ifap) != 0)
552 err(EX_OSERR, "getifaddrs");
554 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
556 if (ifa->ifa_addr->sa_family != AF_LINK)
559 sdl = (struct sockaddr_dl *)ifa->ifa_addr;
560 ifindex = sdl->sdl_index;
562 if (ifindex >= ifmap_size) {
563 size = roundup(ifindex + 1, 32) *
564 sizeof(struct ifmap_entry);
565 if ((ifmap = realloc(ifmap, size)) == NULL)
566 errx(2, "realloc(%d) failed", size);
567 memset(&ifmap[ifmap_size], 0,
569 sizeof(struct ifmap_entry));
571 ifmap_size = roundup(ifindex + 1, 32);
574 if (*ifmap[ifindex].ifname != '\0')
577 strlcpy(ifmap[ifindex].ifname, ifa->ifa_name, IFNAMSIZ);
586 mib[4] = NET_RT_DUMP;
589 if (sysctl(mib, nitems(mib), NULL, &needed, NULL, 0) < 0)
590 err(EX_OSERR, "sysctl: net.route.0.%d.dump.%d estimate", af,
592 if ((buf = malloc(needed)) == NULL)
593 errx(2, "malloc(%lu)", (unsigned long)needed);
594 if (sysctl(mib, nitems(mib), buf, &needed, NULL, 0) < 0)
595 err(1, "sysctl: net.route.0.%d.dump.%d", af, fibnum);
597 for (next = buf; next < lim; next += rtm->rtm_msglen) {
598 rtm = (struct rt_msghdr *)next;
599 if (rtm->rtm_version != RTM_VERSION)
602 * Peek inside header to determine AF
604 sa = (struct sockaddr *)(rtm + 1);
605 if (fam != sa->sa_family) {
607 size_cols(fam, NULL);
611 p_rtentry_sysctl(rtm);
617 p_rtentry_sysctl(struct rt_msghdr *rtm)
619 struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
621 char prettyname[128];
625 #define GETSA(_s, _f) { \
626 bzero(&(_s), sizeof(_s)); \
627 if (rtm->rtm_addrs & _f) { \
628 l = roundup(sa->sa_len, sizeof(long)); \
629 memcpy(&(_s), sa, (l > sizeof(_s)) ? sizeof(_s) : l); \
630 sa = (struct sockaddr *)((char *)sa + l); \
634 GETSA(addr, RTA_DST);
635 GETSA(gw, RTA_GATEWAY);
636 GETSA(mask, RTA_NETMASK);
637 p_sockaddr(&addr.u_sa, &mask.u_sa, rtm->rtm_flags, wid_dst);
638 p_sockaddr(&gw.u_sa, NULL, RTF_HOST, wid_gw);
640 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
641 p_flags(rtm->rtm_flags, buffer);
643 printf("%*lu ", wid_pksent, rtm->rtm_rmx.rmx_pksent);
645 if (rtm->rtm_rmx.rmx_mtu != 0)
646 printf("%*lu ", wid_mtu, rtm->rtm_rmx.rmx_mtu);
648 printf("%*s ", wid_mtu, "");
651 memset(prettyname, 0, sizeof(prettyname));
652 if (rtm->rtm_index < ifmap_size) {
653 strlcpy(prettyname, ifmap[rtm->rtm_index].ifname,
655 if (*prettyname == '\0')
656 strlcpy(prettyname, "---", sizeof(prettyname));
659 printf("%*.*s", wid_if, wid_if, prettyname);
660 if (rtm->rtm_rmx.rmx_expire) {
664 rtm->rtm_rmx.rmx_expire - uptime.tv_sec) > 0)
665 printf(" %*d", wid_expire, (int)expire_time);
672 p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
676 cp = fmt_sockaddr(sa, mask, flags);
682 printf("%-*s ", width, cp);
684 printf("%-*.*s ", width, width, cp);
689 fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
691 static char workbuf[128];
697 switch(sa->sa_family) {
700 struct sockaddr_in *sockin = (struct sockaddr_in *)sa;
702 if ((sockin->sin_addr.s_addr == INADDR_ANY) &&
704 ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
707 else if (flags & RTF_HOST)
708 cp = routename(sockin->sin_addr.s_addr);
710 cp = netname(sockin->sin_addr.s_addr,
711 ((struct sockaddr_in *)mask)->sin_addr.s_addr);
713 cp = netname(sockin->sin_addr.s_addr, INADDR_ANY);
720 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
723 * The sa6->sin6_scope_id must be filled here because
724 * this sockaddr is extracted from kmem(4) directly
725 * and has KAME-specific embedded scope id in
726 * sa6->sin6_addr.s6_addr[2].
728 in6_fillscopeid(sa6);
730 if (flags & RTF_HOST)
731 cp = routename6(sa6);
734 &((struct sockaddr_in6 *)mask)->sin6_addr);
736 cp = netname6(sa6, NULL);
744 strlcpy(workbuf, ((struct sockaddr_ng *)sa)->sg_data,
752 struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
754 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
755 sdl->sdl_slen == 0) {
756 (void) sprintf(workbuf, "link#%d", sdl->sdl_index);
759 switch (sdl->sdl_type) {
764 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
765 cp = ether_ntoa((struct ether_addr *)
766 (sdl->sdl_data + sdl->sdl_nlen));
779 u_char *s = (u_char *)sa->sa_data, *slim;
783 slim = sa->sa_len + (u_char *) sa;
784 cqlim = cq + sizeof(workbuf) - 6;
785 cq += sprintf(cq, "(%d)", sa->sa_family);
786 while (s < slim && cq < cqlim) {
787 cq += sprintf(cq, " %02x", *s++);
789 cq += sprintf(cq, "%02x", *s++);
799 p_flags(int f, const char *format)
801 printf(format, fmt_flags(f));
807 static char name[33];
809 struct bits *p = bits;
811 for (flags = name; p->b_mask; p++)
819 p_rtentry_kvm(struct rtentry *rt)
821 static struct ifnet ifnet, *lastif;
822 static char buffer[128];
823 static char prettyname[128];
827 bzero(&addr, sizeof(addr));
828 if ((sa = kgetsa(rt_key(rt))))
829 bcopy(sa, &addr, sa->sa_len);
830 bzero(&mask, sizeof(mask));
831 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
832 bcopy(sa, &mask, sa->sa_len);
833 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst);
834 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw);
835 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
836 p_flags(rt->rt_flags, buffer);
838 printf("%*ju ", wid_pksent,
839 (uintmax_t )kread_counter((u_long )rt->rt_pksent));
842 printf("%*lu ", wid_mtu, rt->rt_mtu);
844 printf("%*s ", wid_mtu, "");
847 if (rt->rt_ifp != lastif) {
848 if (kget(rt->rt_ifp, ifnet) == 0)
849 strlcpy(prettyname, ifnet.if_xname,
852 strlcpy(prettyname, "---", sizeof(prettyname));
855 printf("%*.*s", wid_if, wid_if, prettyname);
860 rt->rt_expire - uptime.tv_sec) > 0)
861 printf(" %*d", wid_expire, (int)expire_time);
863 if (rt->rt_nodes[0].rn_dupedkey)
870 routename(in_addr_t in)
873 static char line[MAXHOSTNAMELEN];
878 hp = gethostbyaddr(&in, sizeof (struct in_addr), AF_INET);
881 trimdomain(cp, strlen(cp));
885 strlcpy(line, cp, sizeof(line));
887 #define C(x) ((x) & 0xff)
889 sprintf(line, "%u.%u.%u.%u",
890 C(in >> 24), C(in >> 16), C(in >> 8), C(in));
895 #define NSHIFT(m) ( \
896 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
897 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
898 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
902 domask(char *dst, in_addr_t addr __unused, u_long mask)
906 if (mask == 0 || (!numeric_addr && NSHIFT(mask) != 0)) {
911 for (b = 0; b < 32; b++)
912 if (mask & (1 << b)) {
916 for (bb = b+1; bb < 32; bb++)
917 if (!(mask & (1 << bb))) {
918 i = -1; /* noncontig */
924 sprintf(dst, "&0x%lx", mask);
926 sprintf(dst, "/%d", 32-i);
930 * Return the name of the network whose address is given.
933 netname(in_addr_t in, in_addr_t mask)
936 static char line[MAXHOSTNAMELEN];
937 struct netent *np = 0;
940 /* It is ok to supply host address. */
944 if (!numeric_addr && i) {
945 np = getnetbyaddr(i >> NSHIFT(ntohl(mask)), AF_INET);
948 trimdomain(cp, strlen(cp));
952 strlcpy(line, cp, sizeof(line));
954 inet_ntop(AF_INET, &in, line, sizeof(line) - 1);
956 domask(line + strlen(line), i, ntohl(mask));
964 in6_fillscopeid(struct sockaddr_in6 *sa6)
966 #if defined(__KAME__)
968 * XXX: This is a special workaround for KAME kernels.
969 * sin6_scope_id field of SA should be set in the future.
971 if (IN6_IS_ADDR_LINKLOCAL(&sa6->sin6_addr) ||
972 IN6_IS_ADDR_MC_NODELOCAL(&sa6->sin6_addr) ||
973 IN6_IS_ADDR_MC_LINKLOCAL(&sa6->sin6_addr)) {
974 if (sa6->sin6_scope_id == 0)
976 ntohs(*(u_int16_t *)&sa6->sin6_addr.s6_addr[2]);
977 sa6->sin6_addr.s6_addr[2] = sa6->sin6_addr.s6_addr[3] = 0;
983 netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
985 static char line[MAXHOSTNAMELEN];
986 u_char *p = (u_char *)mask;
988 int masklen, illegal = 0, flag = 0;
991 for (masklen = 0, lim = p + 16; p < lim; p++) {
1025 fprintf(stderr, "illegal prefixlen\n");
1030 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
1034 flag |= NI_NUMERICHOST;
1035 getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
1039 sprintf(&line[strlen(line)], "/%d", masklen);
1045 routename6(struct sockaddr_in6 *sa6)
1047 static char line[MAXHOSTNAMELEN];
1049 /* use local variable for safety */
1050 struct sockaddr_in6 sa6_local;
1052 sa6_local.sin6_family = AF_INET6;
1053 sa6_local.sin6_len = sizeof(sa6_local);
1054 sa6_local.sin6_addr = sa6->sin6_addr;
1055 sa6_local.sin6_scope_id = sa6->sin6_scope_id;
1058 flag |= NI_NUMERICHOST;
1060 getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len,
1061 line, sizeof(line), NULL, 0, flag);
1068 * Print routing statistics
1073 struct rtstat rtstat;
1074 u_long rtsaddr, rttaddr;
1079 if ((rtsaddr = rl[N_RTSTAT].n_value) == 0) {
1080 printf("rtstat: symbol not in namelist\n");
1083 if ((rttaddr = rl[N_RTTRASH].n_value) == 0) {
1084 printf("rttrash: symbol not in namelist\n");
1087 kread(rtsaddr, (char *)&rtstat, sizeof (rtstat));
1088 kread(rttaddr, (char *)&rttrash, sizeof (rttrash));
1089 printf("routing:\n");
1091 #define p(f, m) if (rtstat.f || sflag <= 1) \
1092 printf(m, rtstat.f, plural(rtstat.f))
1094 p(rts_badredirect, "\t%hu bad routing redirect%s\n");
1095 p(rts_dynamic, "\t%hu dynamically created route%s\n");
1096 p(rts_newgateway, "\t%hu new gateway%s due to redirects\n");
1097 p(rts_unreach, "\t%hu destination%s found unreachable\n");
1098 p(rts_wildcard, "\t%hu use%s of a wildcard route\n");
1101 if (rttrash || sflag <= 1)
1102 printf("\t%u route%s not in table but not freed\n",
1103 rttrash, plural(rttrash));