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 * 3. 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
29 * @(#)route.c 8.6 (Berkeley) 4/28/95
30 * $FreeBSD: src/usr.bin/netstat/route.c,v 1.41.2.14 2002/07/17 02:22:22 kbyanc Exp $
33 #include <sys/kinfo.h>
34 #include <sys/param.h>
35 #include <sys/socket.h>
38 #include <net/ethernet.h>
40 #include <net/if_var.h>
41 #include <net/if_dl.h>
42 #include <net/if_types.h>
43 #include <net/route.h>
45 #include <netinet/in.h>
46 #include <netgraph/socket/ng_socket.h>
48 #include <netproto/mpls/mpls.h>
50 #include <sys/sysctl.h>
52 #include <arpa/inet.h>
64 #define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
67 /* alignment constraint for routing socket */
69 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
70 #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
73 * Definitions for showing gateway flags.
84 { RTF_MODIFIED, 'M' },
85 { RTF_DONE, 'd' }, /* Completed -- for routing messages only */
87 { RTF_XRESOLVE, 'X' },
92 { RTF_WASCLONED,'W' },
93 { RTF_PRCLONING,'c' },
95 { RTF_BLACKHOLE,'B' },
96 { RTF_BROADCAST,'b' },
102 long dummy; /* Helps align structure. */
103 struct sockaddr u_sa;
110 struct rtentry rtentry;
111 struct radix_node rnode;
112 struct radix_mask rmask;
113 struct radix_node_head *rt_tables[AF_MAX+1];
117 static struct sockaddr *kgetsa (struct sockaddr *);
118 static void size_cols (int ef, struct radix_node *rn);
119 static void size_cols_tree (struct radix_node *rn);
120 static void size_cols_rtentry (struct rtentry *rt);
121 static void p_tree (struct radix_node *);
122 static void p_rtnode (void);
123 static void ntreestuff (void);
124 static void np_rtentry (struct rt_msghdr *);
125 static void p_sockaddr (struct sockaddr *, struct sockaddr *, int, int);
126 static const char *fmt_sockaddr (struct sockaddr *sa, struct sockaddr *mask,
128 static void p_flags (int, const char *);
129 static const char *fmt_flags(int f);
130 static void p_rtentry (struct rtentry *);
131 static u_long forgemask (u_long);
132 static void domask (char *, u_long, u_long);
133 static const char *labelops(struct rtentry *);
136 * Print routing tables.
139 routepr(u_long rtree)
141 struct radix_node_head *rnh, head;
144 printf("Routing tables\n");
146 if (Aflag == 0 && NewTree) {
150 printf("rt_tables: symbol not in namelist\n");
157 rtree += cpuflag * (AF_MAX + 1) * sizeof(void *);
159 if (kget(rtree, rt_tables) != 0)
161 for (i = 0; i <= AF_MAX; i++) {
162 if ((rnh = rt_tables[i]) == NULL)
164 if (kget(rnh, head) != 0)
166 if (i == AF_UNSPEC) {
167 if (Aflag && af == 0) {
168 printf("Netmasks:\n");
169 p_tree(head.rnh_treetop);
171 } else if (af == AF_UNSPEC || af == i) {
172 size_cols(i, head.rnh_treetop);
176 p_tree(head.rnh_treetop);
183 * Print address family header before a section of the routing table.
196 afname = "Internet6";
216 printf("\n%s:\n", afname);
218 printf("\nProtocol Family %d:\n", af1);
221 /* column widths; each followed by one space */
223 #define WID_DST_DEFAULT(af) 18 /* width of destination column */
224 #define WID_GW_DEFAULT(af) 18 /* width of gateway column */
225 #define WID_IF_DEFAULT(af) (Wflag ? 8 : 6) /* width of netif column */
227 #define WID_DST_DEFAULT(af) \
228 ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
229 #define WID_GW_DEFAULT(af) \
230 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
231 #define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 8 :6))
236 static int wid_flags;
241 static int wid_expire;
242 static int wid_mplslops;
244 static int wid_iwmax;
248 size_cols(int ef, struct radix_node *rn)
250 wid_dst = WID_DST_DEFAULT(ef);
251 wid_gw = WID_GW_DEFAULT(ef);
256 wid_if = WID_IF_DEFAULT(ef);
268 size_cols_tree(struct radix_node *rn)
271 if (kget(rn, rnode) != 0)
273 if (!(rnode.rn_flags & RNF_ACTIVE))
275 if (rnode.rn_bit < 0) {
276 if ((rnode.rn_flags & RNF_ROOT) == 0) {
277 if (kget(rn, rtentry) != 0)
279 size_cols_rtentry(&rtentry);
281 if ((rn = rnode.rn_dupedkey))
285 size_cols_tree(rnode.rn_left);
291 size_cols_rtentry(struct rtentry *rt)
293 static struct ifnet ifnet, *lastif;
294 struct rtentry parent;
295 static char buffer[100];
302 * Don't print protocol-cloned routes unless -a.
304 if (rt->rt_flags & RTF_WASCLONED && !aflag) {
305 if (kget(rt->rt_parent, parent) != 0)
307 if (parent.rt_flags & RTF_PRCLONING)
311 bzero(&addr, sizeof(addr));
312 if ((sa = kgetsa(rt_key(rt))))
313 bcopy(sa, &addr, sa->sa_len);
314 bzero(&mask, sizeof(mask));
315 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
316 bcopy(sa, &mask, sa->sa_len);
317 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags);
319 wid_dst = MAX(len, wid_dst);
321 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST);
323 wid_gw = MAX(len, wid_gw);
325 bp = fmt_flags(rt->rt_flags);
327 wid_flags = MAX(len, wid_flags);
329 if (addr.u_sa.sa_family == AF_INET || Wflag) {
330 len = snprintf(buffer, sizeof(buffer), "%ld", rt->rt_refcnt);
331 wid_refs = MAX(len, wid_refs);
332 len = snprintf(buffer, sizeof(buffer), "%lu", rt->rt_use);
333 wid_use = MAX(len, wid_use);
334 if (Wflag && rt->rt_rmx.rmx_mtu != 0) {
335 len = snprintf(buffer, sizeof(buffer),
336 "%lu", rt->rt_rmx.rmx_mtu);
337 wid_mtu = MAX(len, wid_mtu);
341 if (rt->rt_ifp != lastif) {
342 if (kget(rt->rt_ifp, ifnet) == 0)
343 len = strlen(ifnet.if_xname);
347 wid_if = MAX(len, wid_if);
349 if (rt->rt_rmx.rmx_expire) {
353 clock_gettime(CLOCK_MONOTONIC, &sp);
355 expire_time = (int)(rt->rt_rmx.rmx_expire - sp.tv_sec);
357 if (expire_time > 0) {
358 snprintf(buffer, sizeof(buffer), "%d",
360 wid_expire = MAX(len, wid_expire);
365 if (rt->rt_shim[0] != NULL) {
366 len = strlen(labelops(rt));
367 wid_mplslops = MAX(len, wid_mplslops);
370 if (rt->rt_rmx.rmx_msl) {
371 len = snprintf(buffer, sizeof(buffer),
372 "%lu", rt->rt_rmx.rmx_msl);
373 wid_msl = MAX(len, wid_msl);
375 if (rt->rt_rmx.rmx_iwmaxsegs) {
376 len = snprintf(buffer, sizeof(buffer),
377 "%lu", rt->rt_rmx.rmx_iwmaxsegs);
378 wid_iwmax = MAX(len, wid_iwmax);
380 if (rt->rt_rmx.rmx_iwcapsegs) {
381 len = snprintf(buffer, sizeof(buffer),
382 "%lu", rt->rt_rmx.rmx_iwcapsegs);
383 wid_iw = MAX(len, wid_iw);
390 * Print header for routing table columns.
397 printf("%-8.8s ","Address");
398 if (af1 == AF_INET || Wflag) {
400 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*.*s "
401 "%*s %-*s%*s %*s %*s\n",
402 wid_dst, wid_dst, "Destination",
403 wid_gw, wid_gw, "Gateway",
404 wid_flags, wid_flags, "Flags",
405 wid_refs, wid_refs, "Refs",
406 wid_use, wid_use, "Use",
407 wid_mtu, wid_mtu, "Mtu",
408 wid_if, wid_if, "Netif",
409 wid_expire, "Expire",
410 wid_mplslops, "Labelops",
415 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*s\n",
416 wid_dst, wid_dst, "Destination",
417 wid_gw, wid_gw, "Gateway",
418 wid_flags, wid_flags, "Flags",
419 wid_refs, wid_refs, "Refs",
420 wid_use, wid_use, "Use",
421 wid_if, wid_if, "Netif",
422 wid_expire, "Expire");
425 printf("%-*.*s %-*.*s %-*.*s %*.*s %*s\n",
426 wid_dst, wid_dst, "Destination",
427 wid_gw, wid_gw, "Gateway",
428 wid_flags, wid_flags, "Flags",
429 wid_if, wid_if, "Netif",
430 wid_expire, "Expire");
434 static struct sockaddr *
435 kgetsa(struct sockaddr *dst)
438 if (kget(dst, pt_u.u_sa) != 0)
440 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
441 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
446 p_tree(struct radix_node *rn)
450 if (kget(rn, rnode) != 0)
452 if (!(rnode.rn_flags & RNF_ACTIVE))
454 if (rnode.rn_bit < 0) {
456 printf("%-8.8lx ", (u_long)rn);
457 if (rnode.rn_flags & RNF_ROOT) {
459 printf("(root node)%s",
460 rnode.rn_dupedkey ? " =>\n" : "\n");
461 } else if (do_rtent) {
462 if (kget(rn, rtentry) == 0) {
468 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
472 if ((rn = rnode.rn_dupedkey))
475 if (Aflag && do_rtent) {
476 printf("%-8.8lx ", (u_long)rn);
480 p_tree(rnode.rn_left);
490 struct radix_mask *rm = rnode.rn_mklist;
492 if (rnode.rn_bit < 0) {
495 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
497 } else if (rm == NULL)
500 sprintf(nbuf, "(%d)", rnode.rn_bit);
501 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
504 if (kget(rm, rmask) != 0)
506 sprintf(nbuf, " %d refs, ", rmask.rm_refs);
507 printf(" mk = %8.8lx {(%d),%s",
508 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " ");
509 if (rmask.rm_flags & RNF_NORMAL) {
510 struct radix_node rnode_aux;
511 printf(" <normal>, ");
512 if (kget(rmask.rm_leaf, rnode_aux) == 0)
513 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
516 p_sockaddr(NULL, NULL, 0, -1);
518 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
521 if ((rm = rmask.rm_next))
533 char *buf, *next, *lim;
534 struct rt_msghdr *rtm;
540 mib[4] = NET_RT_DUMP;
548 if (sysctl(mib, miblen, NULL, &needed, NULL, 0) < 0) {
549 err(1, "sysctl: net.route.0.0.dump estimate");
552 if ((buf = malloc(needed)) == NULL) {
553 err(2, "malloc(%lu)", (unsigned long)needed);
555 if (sysctl(mib, miblen, buf, &needed, NULL, 0) < 0) {
556 err(1, "sysctl: net.route.0.0.dump");
559 for (next = buf; next < lim; next += rtm->rtm_msglen) {
560 rtm = (struct rt_msghdr *)next;
566 np_rtentry(struct rt_msghdr *rtm)
568 struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
570 static int masks_done, banner_printed;
573 int af1 = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
576 /* for the moment, netmasks are skipped over */
577 if (!banner_printed) {
578 printf("Netmasks:\n");
581 if (masks_done == 0) {
582 if (rtm->rtm_addrs != RTA_DST ) {
593 if (rtm->rtm_addrs == RTA_DST)
594 p_sockaddr(sa, NULL, 0, 36);
596 p_sockaddr(sa, NULL, rtm->rtm_flags, 16);
597 sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
598 p_sockaddr(sa, NULL, 0, 18);
600 p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
605 p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
609 cp = fmt_sockaddr(sa, mask, flags);
615 printf("%-*s ", width, cp);
617 printf("%-*.*s ", width, width, cp);
622 fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
624 static char workbuf[128];
625 const char *cp = workbuf;
630 switch(sa->sa_family) {
633 struct sockaddr_in *sin = (struct sockaddr_in *)sa;
635 if ((sin->sin_addr.s_addr == INADDR_ANY) &&
637 ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
640 else if (flags & RTF_HOST)
641 cp = routename(sin->sin_addr.s_addr);
643 cp = netname(sin->sin_addr.s_addr,
644 ntohl(((struct sockaddr_in *)mask)
647 cp = netname(sin->sin_addr.s_addr, 0L);
654 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
655 struct in6_addr *in6 = &sa6->sin6_addr;
658 * XXX: This is a special workaround for KAME kernels.
659 * sin6_scope_id field of SA should be set in the future.
661 if (IN6_IS_ADDR_LINKLOCAL(in6) ||
662 IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
663 /* XXX: override is ok? */
664 sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)&in6->s6_addr[2]);
665 *(u_short *)&in6->s6_addr[2] = 0;
668 if (flags & RTF_HOST)
669 cp = routename6(sa6);
672 &((struct sockaddr_in6 *)mask)->sin6_addr);
674 cp = netname6(sa6, NULL);
682 printf("%s", ((struct sockaddr_ng *)sa)->sg_data);
687 struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
689 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
691 (void) sprintf(workbuf, "link#%d", sdl->sdl_index);
693 switch (sdl->sdl_type) {
698 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
699 cp = ether_ntoa((struct ether_addr *)
700 (sdl->sdl_data + sdl->sdl_nlen));
713 struct sockaddr_mpls *smpls = (struct sockaddr_mpls *)sa;
715 (void) sprintf(workbuf, "%d", ntohl(smpls->smpls_label));
721 u_char *s = (u_char *)sa->sa_data, *slim;
725 slim = sa->sa_len + (u_char *) sa;
726 cqlim = cq + sizeof(workbuf) - 6;
727 cq += sprintf(cq, "(%d)", sa->sa_family);
728 while (s < slim && cq < cqlim) {
729 cq += sprintf(cq, " %02x", *s++);
731 cq += sprintf(cq, "%02x", *s++);
741 p_flags(int f, const char *format)
743 printf(format, fmt_flags(f));
749 static char name[33];
751 struct bits *p = bits;
753 for (flags = name; p->b_mask; p++)
761 p_rtentry(struct rtentry *rt)
763 static struct ifnet ifnet, *lastif;
764 struct rtentry parent;
765 static char buffer[128];
766 static char prettyname[128];
771 * Don't print protocol-cloned routes unless -a.
773 if (rt->rt_flags & RTF_WASCLONED && !aflag) {
774 if (kget(rt->rt_parent, parent) != 0)
776 if (parent.rt_flags & RTF_PRCLONING)
780 bzero(&addr, sizeof(addr));
781 if ((sa = kgetsa(rt_key(rt))))
782 bcopy(sa, &addr, sa->sa_len);
783 bzero(&mask, sizeof(mask));
784 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
785 bcopy(sa, &mask, sa->sa_len);
786 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst);
787 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw);
788 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
789 p_flags(rt->rt_flags, buffer);
790 if (addr.u_sa.sa_family == AF_INET || Wflag) {
791 printf("%*ld %*lu ", wid_refs, rt->rt_refcnt,
792 wid_use, rt->rt_use);
794 if (rt->rt_rmx.rmx_mtu != 0)
795 printf("%*lu ", wid_mtu, rt->rt_rmx.rmx_mtu);
797 printf("%*s ", wid_mtu, "");
801 if (rt->rt_ifp != lastif) {
802 if (kget(rt->rt_ifp, ifnet) == 0)
803 strlcpy(prettyname, ifnet.if_xname,
806 strlcpy(prettyname, "---", sizeof(prettyname));
809 printf("%*.*s", wid_if, wid_if, prettyname);
810 if (rt->rt_rmx.rmx_expire) {
814 clock_gettime(CLOCK_MONOTONIC, &sp);
816 expire_time = (int)(rt->rt_rmx.rmx_expire - sp.tv_sec);
818 printf(" %*d", wid_expire, (int)expire_time);
820 printf("%*s ", wid_expire, "");
822 printf("%*s ", wid_expire, "");
824 if (rt->rt_nodes[0].rn_dupedkey)
828 if (rt->rt_shim[0] != NULL)
829 printf(" %-*s", wid_mplslops, labelops(rt));
831 printf(" %-*s", wid_mplslops, "");
832 if (rt->rt_rmx.rmx_msl != 0)
833 printf(" %*lu", wid_msl, rt->rt_rmx.rmx_msl);
835 printf("%*s ", wid_msl, "");
836 if (rt->rt_rmx.rmx_iwmaxsegs != 0)
837 printf(" %*lu", wid_iwmax, rt->rt_rmx.rmx_iwmaxsegs);
839 printf("%*s ", wid_iwmax, "");
840 if (rt->rt_rmx.rmx_iwcapsegs != 0)
841 printf(" %*lu", wid_iw, rt->rt_rmx.rmx_iwcapsegs);
843 printf("%*s ", wid_iw, "");
852 static char line[MAXHOSTNAMELEN];
857 hp = gethostbyaddr(&in, sizeof (struct in_addr), AF_INET);
860 trimdomain(cp, strlen(cp));
864 strncpy(line, cp, sizeof(line) - 1);
865 line[sizeof(line) - 1] = '\0';
867 #define C(x) ((x) & 0xff)
869 sprintf(line, "%lu.%lu.%lu.%lu",
870 C(in >> 24), C(in >> 16), C(in >> 8), C(in));
882 else if (IN_CLASSB(a))
890 domask(char *dst, u_long addr, u_long mask)
894 if (!mask || (forgemask(addr) == mask)) {
899 for (b = 0; b < 32; b++)
900 if (mask & (1 << b)) {
904 for (bb = b+1; bb < 32; bb++)
905 if (!(mask & (1 << bb))) {
906 i = -1; /* noncontig */
912 sprintf(dst, "&0x%lx", mask);
914 sprintf(dst, "/%d", 32-i);
918 * Return the name of the network whose address is given.
919 * The address is assumed to be that of a net or subnet, not a host.
922 netname(u_long in, u_long mask)
925 static char line[MAXHOSTNAMELEN];
926 struct netent *np = NULL;
930 #define NSHIFT(m) ( \
931 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
932 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
933 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
937 dmask = forgemask(i);
938 if (!numeric_addr && i) {
939 np = getnetbyaddr(i >> NSHIFT(mask), AF_INET);
940 if (np == NULL && mask == 0)
941 np = getnetbyaddr(i >> NSHIFT(dmask), AF_INET);
944 trimdomain(cp, strlen(cp));
949 strncpy(line, cp, sizeof(line) - 1);
950 line[sizeof(line) - 1] = '\0';
952 if (mask <= IN_CLASSA_NET &&
953 (i & IN_CLASSA_HOST) == 0) {
954 sprintf(line, "%lu", C(i >> 24));
955 } else if (mask <= IN_CLASSB_NET &&
956 (i & IN_CLASSB_HOST) == 0) {
957 sprintf(line, "%lu.%lu",
958 C(i >> 24), C(i >> 16));
959 } else if (mask <= IN_CLASSC_NET &&
960 (i & IN_CLASSC_HOST) == 0) {
961 sprintf(line, "%lu.%lu.%lu",
962 C(i >> 24), C(i >> 16), C(i >> 8));
964 sprintf(line, "%lu.%lu.%lu.%lu",
965 C(i >> 24), C(i >> 16), C(i >> 8), C(i));
968 domask(line + strlen(line), i, mask);
974 netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
976 static char line[MAXHOSTNAMELEN];
977 u_char *p = (u_char *)mask;
979 int masklen, illegal = 0, flag = NI_WITHSCOPEID;
982 for (masklen = 0, lim = p + 16; p < lim; p++) {
1016 fprintf(stderr, "illegal prefixlen\n");
1021 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
1025 flag |= NI_NUMERICHOST;
1026 getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
1030 sprintf(&line[strlen(line)], "/%d", masklen);
1036 routename6(struct sockaddr_in6 *sa6)
1038 static char line[MAXHOSTNAMELEN];
1039 int flag = NI_WITHSCOPEID;
1040 /* use local variable for safety */
1041 struct sockaddr_in6 sa6_local;
1043 sa6_local.sin6_family = AF_INET6;
1044 sa6_local.sin6_len = sizeof(sa6_local);
1045 sa6_local.sin6_addr = sa6->sin6_addr;
1046 sa6_local.sin6_scope_id = sa6->sin6_scope_id;
1049 flag |= NI_NUMERICHOST;
1051 getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len,
1052 line, sizeof(line), NULL, 0, flag);
1059 * Print routing statistics
1064 struct rtstatistics rts;
1067 error = kinfo_get_net_rtstatistics(&rts);
1069 printf("routing: could not retrieve statistics\n");
1072 printf("routing:\n");
1074 #define p(f, m) if (rts.f || sflag <= 1) \
1075 printf(m, rts.f, plural(rts.f))
1077 p(rts_badredirect, "\t%lu bad routing redirect%s\n");
1078 p(rts_dynamic, "\t%lu dynamically created route%s\n");
1079 p(rts_newgateway, "\t%lu new gateway%s due to redirects\n");
1080 p(rts_unreach, "\t%lu destination%s found unreachable\n");
1081 p(rts_wildcard, "\t%lu use%s of a wildcard route\n");
1105 labelops(struct rtentry *rt)
1107 const char *lops[] = { "push", "pop", "swap", "pop all" };
1108 static char buffer[100];
1110 struct sockaddr_mpls *smpls;
1113 for (i=0; i<MPLS_MAXLOPS; ++i) {
1115 if (rt->rt_shim[i] == NULL)
1119 sizeof(buffer) - (cp - buffer),
1122 smpls = (struct sockaddr_mpls *)kgetsa(rt->rt_shim[i]);
1123 if (smpls->smpls_op != MPLSLOP_POP &&
1124 smpls->smpls_op != MPLSLOP_POPALL){
1126 sizeof(buffer) - (cp - buffer),
1128 lops[smpls->smpls_op - 1],
1129 ntohl(smpls->smpls_label));
1132 sizeof(buffer) - (cp - buffer),
1134 lops[smpls->smpls_op - 1]);