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 <netipx/ipx.h>
56 #include <netatalk/at.h>
57 #include <netgraph/ng_socket.h>
59 #include <sys/sysctl.h>
61 #include <arpa/inet.h>
75 #define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
78 * Definitions for showing gateway flags.
89 { RTF_MODIFIED, 'M' },
90 { RTF_DONE, 'd' }, /* Completed -- for routing messages only */
91 { RTF_XRESOLVE, 'X' },
96 { RTF_BLACKHOLE,'B' },
97 { RTF_BROADCAST,'b' },
105 * kvm(3) bindings for every needed symbol
107 static struct nlist rl[] = {
109 { .n_name = "_rtstat" },
111 { .n_name = "_rt_tables"},
113 { .n_name = "_rttrash" },
118 long dummy; /* Helps align structure. */
119 struct sockaddr u_sa;
126 char ifname[IFNAMSIZ];
129 static struct ifmap_entry *ifmap;
130 static int ifmap_size;
133 struct rtentry rtentry;
134 struct radix_node rnode;
135 struct radix_mask rmask;
139 struct timespec uptime;
141 static struct sockaddr *kgetsa(struct sockaddr *);
142 static void size_cols(int ef, struct radix_node *rn);
143 static void size_cols_tree(struct radix_node *rn);
144 static void size_cols_rtentry(struct rtentry *rt);
145 static void p_rtnode_kvm(void);
146 static void p_rtable_sysctl(int, int);
147 static void p_rtable_kvm(int, int );
148 static void p_rtree_kvm(struct radix_node *);
149 static void p_rtentry_sysctl(struct rt_msghdr *);
150 static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int);
151 static const char *fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask,
153 static void p_flags(int, const char *);
154 static const char *fmt_flags(int f);
155 static void p_rtentry_kvm(struct rtentry *);
156 static void domask(char *, in_addr_t, u_long);
159 * Print routing tables.
162 routepr(int fibnum, int af)
167 intsize = sizeof(int);
169 sysctlbyname("net.my_fibnum", &fibnum, &intsize, NULL, 0) == -1)
171 if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)
173 if (fibnum < 0 || fibnum > numfibs - 1)
174 errx(EX_USAGE, "%d: invalid fib", fibnum);
176 * Since kernel & userland use different timebase
177 * (time_uptime vs time_second) and we are reading kernel memory
178 * directly we should do rt_expire --> expire_time conversion.
180 if (clock_gettime(CLOCK_UPTIME, &uptime) < 0)
181 err(EX_OSERR, "clock_gettime() failed");
183 printf("Routing tables");
185 printf(" (fib: %d)", fibnum);
188 if (Aflag == 0 && live != 0 && NewTree)
189 p_rtable_sysctl(fibnum, af);
191 p_rtable_kvm(fibnum, af);
196 * Print address family header before a section of the routing table.
209 afname = "Internet6";
219 afname = "AppleTalk";
232 printf("\n%s:\n", afname);
234 printf("\nProtocol Family %d:\n", af1);
237 /* column widths; each followed by one space */
239 #define WID_DST_DEFAULT(af) 18 /* width of destination column */
240 #define WID_GW_DEFAULT(af) 18 /* width of gateway column */
241 #define WID_IF_DEFAULT(af) (Wflag ? 10 : 8) /* width of netif column */
243 #define WID_DST_DEFAULT(af) \
244 ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
245 #define WID_GW_DEFAULT(af) \
246 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
247 #define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 10 : 8))
252 static int wid_flags;
253 static int wid_pksent;
256 static int wid_expire;
259 size_cols(int ef, struct radix_node *rn)
261 wid_dst = WID_DST_DEFAULT(ef);
262 wid_gw = WID_GW_DEFAULT(ef);
266 wid_if = WID_IF_DEFAULT(ef);
269 if (Wflag && rn != NULL)
274 size_cols_tree(struct radix_node *rn)
277 if (kget(rn, rnode) != 0)
279 if (!(rnode.rn_flags & RNF_ACTIVE))
281 if (rnode.rn_bit < 0) {
282 if ((rnode.rn_flags & RNF_ROOT) == 0) {
283 if (kget(rn, rtentry) != 0)
285 size_cols_rtentry(&rtentry);
287 if ((rn = rnode.rn_dupedkey))
291 size_cols_tree(rnode.rn_left);
297 size_cols_rtentry(struct rtentry *rt)
299 static struct ifnet ifnet, *lastif;
300 static char buffer[100];
306 bzero(&addr, sizeof(addr));
307 if ((sa = kgetsa(rt_key(rt))))
308 bcopy(sa, &addr, sa->sa_len);
309 bzero(&mask, sizeof(mask));
310 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
311 bcopy(sa, &mask, sa->sa_len);
312 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags);
314 wid_dst = MAX(len, wid_dst);
316 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST);
318 wid_gw = MAX(len, wid_gw);
320 bp = fmt_flags(rt->rt_flags);
322 wid_flags = MAX(len, wid_flags);
325 len = snprintf(buffer, sizeof(buffer), "%ju",
326 (uintmax_t )kread_counter((u_long )rt->rt_pksent));
327 wid_pksent = MAX(len, wid_pksent);
330 if (rt->rt_ifp != lastif) {
331 if (kget(rt->rt_ifp, ifnet) == 0)
332 len = strlen(ifnet.if_xname);
336 wid_if = MAX(len, wid_if);
342 rt->rt_expire - uptime.tv_sec) > 0) {
343 len = snprintf(buffer, sizeof(buffer), "%d",
345 wid_expire = MAX(len, wid_expire);
353 * Print header for routing table columns.
360 printf("%-8.8s ","Address");
362 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*s\n",
363 wid_dst, wid_dst, "Destination",
364 wid_gw, wid_gw, "Gateway",
365 wid_flags, wid_flags, "Flags",
366 wid_pksent, wid_pksent, "Use",
367 wid_mtu, wid_mtu, "Mtu",
368 wid_if, wid_if, "Netif",
369 wid_expire, "Expire");
371 printf("%-*.*s %-*.*s %-*.*s %*.*s %*s\n",
372 wid_dst, wid_dst, "Destination",
373 wid_gw, wid_gw, "Gateway",
374 wid_flags, wid_flags, "Flags",
375 wid_if, wid_if, "Netif",
376 wid_expire, "Expire");
380 static struct sockaddr *
381 kgetsa(struct sockaddr *dst)
384 if (kget(dst, pt_u.u_sa) != 0)
386 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
387 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
392 * Print kernel routing tables for given fib
393 * using debugging kvm(3) interface.
396 p_rtable_kvm(int fibnum, int af)
398 struct radix_node_head **rnhp, *rnh, head;
399 struct radix_node_head **rt_tables;
404 if ((rtree = rl[N_RTREE].n_value) == 0) {
405 printf("rt_tables: symbol not in namelist\n");
409 af_size = (AF_MAX + 1) * sizeof(struct radix_node_head *);
410 rt_tables = calloc(1, af_size);
411 if (rt_tables == NULL)
412 err(EX_OSERR, "memory allocation failed");
414 if (kread((u_long)(rtree), (char *)(rt_tables) + fibnum * af_size,
416 err(EX_OSERR, "error retrieving radix pointers");
417 for (fam = 0; fam <= AF_MAX; fam++) {
428 rnhp = (struct radix_node_head **)*rt_tables;
429 /* Calculate the in-kernel address. */
430 rnhp += tmpfib * (AF_MAX + 1) + fam;
431 /* Read the in kernel rhn pointer. */
432 if (kget(rnhp, rnh) != 0)
436 /* Read the rnh data. */
437 if (kget(rnh, head) != 0)
439 if (fam == AF_UNSPEC) {
440 if (Aflag && af == 0) {
441 printf("Netmasks:\n");
442 p_rtree_kvm(head.rnh_treetop);
444 } else if (af == AF_UNSPEC || af == fam) {
445 size_cols(fam, head.rnh_treetop);
449 p_rtree_kvm(head.rnh_treetop);
457 * Print given kernel radix tree using
458 * debugging kvm(3) interface.
461 p_rtree_kvm(struct radix_node *rn)
465 if (kget(rn, rnode) != 0)
467 if (!(rnode.rn_flags & RNF_ACTIVE))
469 if (rnode.rn_bit < 0) {
471 printf("%-8.8lx ", (u_long)rn);
472 if (rnode.rn_flags & RNF_ROOT) {
474 printf("(root node)%s",
475 rnode.rn_dupedkey ? " =>\n" : "\n");
476 } else if (do_rtent) {
477 if (kget(rn, rtentry) == 0) {
478 p_rtentry_kvm(&rtentry);
483 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
487 if ((rn = rnode.rn_dupedkey))
490 if (Aflag && do_rtent) {
491 printf("%-8.8lx ", (u_long)rn);
495 p_rtree_kvm(rnode.rn_left);
505 struct radix_mask *rm = rnode.rn_mklist;
507 if (rnode.rn_bit < 0) {
510 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
515 sprintf(nbuf, "(%d)", rnode.rn_bit);
516 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
519 if (kget(rm, rmask) != 0)
521 sprintf(nbuf, " %d refs, ", rmask.rm_refs);
522 printf(" mk = %8.8lx {(%d),%s",
523 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " ");
524 if (rmask.rm_flags & RNF_NORMAL) {
525 struct radix_node rnode_aux;
526 printf(" <normal>, ");
527 if (kget(rmask.rm_leaf, rnode_aux) == 0)
528 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
531 p_sockaddr(NULL, NULL, 0, -1);
533 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
536 if ((rm = rmask.rm_mklist))
543 p_rtable_sysctl(int fibnum, int af)
547 char *buf, *next, *lim;
548 struct rt_msghdr *rtm;
550 int fam = 0, ifindex = 0, size;
552 struct ifaddrs *ifap, *ifa;
553 struct sockaddr_dl *sdl;
556 * Retrieve interface list at first
557 * since we need #ifindex -> if_xname match
559 if (getifaddrs(&ifap) != 0)
560 err(EX_OSERR, "getifaddrs");
562 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
564 if (ifa->ifa_addr->sa_family != AF_LINK)
567 sdl = (struct sockaddr_dl *)ifa->ifa_addr;
568 ifindex = sdl->sdl_index;
570 if (ifindex >= ifmap_size) {
571 size = roundup(ifindex + 1, 32) *
572 sizeof(struct ifmap_entry);
573 if ((ifmap = realloc(ifmap, size)) == NULL)
574 errx(2, "realloc(%d) failed", size);
575 memset(&ifmap[ifmap_size], 0,
577 sizeof(struct ifmap_entry));
579 ifmap_size = roundup(ifindex + 1, 32);
582 if (*ifmap[ifindex].ifname != '\0')
585 strlcpy(ifmap[ifindex].ifname, ifa->ifa_name, IFNAMSIZ);
594 mib[4] = NET_RT_DUMP;
597 if (sysctl(mib, nitems(mib), NULL, &needed, NULL, 0) < 0)
598 err(EX_OSERR, "sysctl: net.route.0.%d.dump.%d estimate", af,
600 if ((buf = malloc(needed)) == NULL)
601 errx(2, "malloc(%lu)", (unsigned long)needed);
602 if (sysctl(mib, nitems(mib), buf, &needed, NULL, 0) < 0)
603 err(1, "sysctl: net.route.0.%d.dump.%d", af, fibnum);
605 for (next = buf; next < lim; next += rtm->rtm_msglen) {
606 rtm = (struct rt_msghdr *)next;
607 if (rtm->rtm_version != RTM_VERSION)
610 * Peek inside header to determine AF
612 sa = (struct sockaddr *)(rtm + 1);
613 if (fam != sa->sa_family) {
615 size_cols(fam, NULL);
619 p_rtentry_sysctl(rtm);
625 p_rtentry_sysctl(struct rt_msghdr *rtm)
627 struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
629 char prettyname[128];
633 #define GETSA(_s, _f) { \
634 bzero(&(_s), sizeof(_s)); \
635 if (rtm->rtm_addrs & _f) { \
636 l = roundup(sa->sa_len, sizeof(long)); \
637 memcpy(&(_s), sa, (l > sizeof(_s)) ? sizeof(_s) : l); \
638 sa = (struct sockaddr *)((char *)sa + l); \
642 GETSA(addr, RTA_DST);
643 GETSA(gw, RTA_GATEWAY);
644 GETSA(mask, RTA_NETMASK);
645 p_sockaddr(&addr.u_sa, &mask.u_sa, rtm->rtm_flags, wid_dst);
646 p_sockaddr(&gw.u_sa, NULL, RTF_HOST, wid_gw);
648 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
649 p_flags(rtm->rtm_flags, buffer);
651 printf("%*lu ", wid_pksent, rtm->rtm_rmx.rmx_pksent);
653 if (rtm->rtm_rmx.rmx_mtu != 0)
654 printf("%*lu ", wid_mtu, rtm->rtm_rmx.rmx_mtu);
656 printf("%*s ", wid_mtu, "");
659 memset(prettyname, 0, sizeof(prettyname));
660 if (rtm->rtm_index < ifmap_size) {
661 strlcpy(prettyname, ifmap[rtm->rtm_index].ifname,
663 if (*prettyname == '\0')
664 strlcpy(prettyname, "---", sizeof(prettyname));
667 printf("%*.*s", wid_if, wid_if, prettyname);
668 if (rtm->rtm_rmx.rmx_expire) {
672 rtm->rtm_rmx.rmx_expire - uptime.tv_sec) > 0)
673 printf(" %*d", wid_expire, (int)expire_time);
680 p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
684 cp = fmt_sockaddr(sa, mask, flags);
690 printf("%-*s ", width, cp);
692 printf("%-*.*s ", width, width, cp);
697 fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
699 static char workbuf[128];
705 switch(sa->sa_family) {
708 struct sockaddr_in *sockin = (struct sockaddr_in *)sa;
710 if ((sockin->sin_addr.s_addr == INADDR_ANY) &&
712 ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
715 else if (flags & RTF_HOST)
716 cp = routename(sockin->sin_addr.s_addr);
718 cp = netname(sockin->sin_addr.s_addr,
719 ((struct sockaddr_in *)mask)->sin_addr.s_addr);
721 cp = netname(sockin->sin_addr.s_addr, INADDR_ANY);
728 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
731 * The sa6->sin6_scope_id must be filled here because
732 * this sockaddr is extracted from kmem(4) directly
733 * and has KAME-specific embedded scope id in
734 * sa6->sin6_addr.s6_addr[2].
736 in6_fillscopeid(sa6);
738 if (flags & RTF_HOST)
739 cp = routename6(sa6);
742 &((struct sockaddr_in6 *)mask)->sin6_addr);
744 cp = netname6(sa6, NULL);
752 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
753 if (ipx_nullnet(satoipx_addr(work)))
761 if (!(flags & RTF_HOST) && mask)
762 cp = atalk_print2(sa,mask,9);
764 cp = atalk_print(sa,11);
769 strlcpy(workbuf, ((struct sockaddr_ng *)sa)->sg_data,
777 struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
779 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
780 sdl->sdl_slen == 0) {
781 (void) sprintf(workbuf, "link#%d", sdl->sdl_index);
784 switch (sdl->sdl_type) {
789 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
790 cp = ether_ntoa((struct ether_addr *)
791 (sdl->sdl_data + sdl->sdl_nlen));
804 u_char *s = (u_char *)sa->sa_data, *slim;
808 slim = sa->sa_len + (u_char *) sa;
809 cqlim = cq + sizeof(workbuf) - 6;
810 cq += sprintf(cq, "(%d)", sa->sa_family);
811 while (s < slim && cq < cqlim) {
812 cq += sprintf(cq, " %02x", *s++);
814 cq += sprintf(cq, "%02x", *s++);
824 p_flags(int f, const char *format)
826 printf(format, fmt_flags(f));
832 static char name[33];
834 struct bits *p = bits;
836 for (flags = name; p->b_mask; p++)
844 p_rtentry_kvm(struct rtentry *rt)
846 static struct ifnet ifnet, *lastif;
847 static char buffer[128];
848 static char prettyname[128];
852 bzero(&addr, sizeof(addr));
853 if ((sa = kgetsa(rt_key(rt))))
854 bcopy(sa, &addr, sa->sa_len);
855 bzero(&mask, sizeof(mask));
856 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
857 bcopy(sa, &mask, sa->sa_len);
858 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst);
859 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw);
860 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
861 p_flags(rt->rt_flags, buffer);
863 printf("%*ju ", wid_pksent,
864 (uintmax_t )kread_counter((u_long )rt->rt_pksent));
867 printf("%*lu ", wid_mtu, rt->rt_mtu);
869 printf("%*s ", wid_mtu, "");
872 if (rt->rt_ifp != lastif) {
873 if (kget(rt->rt_ifp, ifnet) == 0)
874 strlcpy(prettyname, ifnet.if_xname,
877 strlcpy(prettyname, "---", sizeof(prettyname));
880 printf("%*.*s", wid_if, wid_if, prettyname);
885 rt->rt_expire - uptime.tv_sec) > 0)
886 printf(" %*d", wid_expire, (int)expire_time);
888 if (rt->rt_nodes[0].rn_dupedkey)
895 routename(in_addr_t in)
898 static char line[MAXHOSTNAMELEN];
903 hp = gethostbyaddr(&in, sizeof (struct in_addr), AF_INET);
906 trimdomain(cp, strlen(cp));
910 strlcpy(line, cp, sizeof(line));
912 #define C(x) ((x) & 0xff)
914 sprintf(line, "%u.%u.%u.%u",
915 C(in >> 24), C(in >> 16), C(in >> 8), C(in));
920 #define NSHIFT(m) ( \
921 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
922 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
923 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
927 domask(char *dst, in_addr_t addr __unused, u_long mask)
931 if (mask == 0 || (!numeric_addr && NSHIFT(mask) != 0)) {
936 for (b = 0; b < 32; b++)
937 if (mask & (1 << b)) {
941 for (bb = b+1; bb < 32; bb++)
942 if (!(mask & (1 << bb))) {
943 i = -1; /* noncontig */
949 sprintf(dst, "&0x%lx", mask);
951 sprintf(dst, "/%d", 32-i);
955 * Return the name of the network whose address is given.
958 netname(in_addr_t in, in_addr_t mask)
961 static char line[MAXHOSTNAMELEN];
962 struct netent *np = 0;
965 /* It is ok to supply host address. */
969 if (!numeric_addr && i) {
970 np = getnetbyaddr(i >> NSHIFT(ntohl(mask)), AF_INET);
973 trimdomain(cp, strlen(cp));
977 strlcpy(line, cp, sizeof(line));
979 inet_ntop(AF_INET, &in, line, sizeof(line) - 1);
981 domask(line + strlen(line), i, ntohl(mask));
989 in6_fillscopeid(struct sockaddr_in6 *sa6)
991 #if defined(__KAME__)
993 * XXX: This is a special workaround for KAME kernels.
994 * sin6_scope_id field of SA should be set in the future.
996 if (IN6_IS_ADDR_LINKLOCAL(&sa6->sin6_addr) ||
997 IN6_IS_ADDR_MC_NODELOCAL(&sa6->sin6_addr) ||
998 IN6_IS_ADDR_MC_LINKLOCAL(&sa6->sin6_addr)) {
999 if (sa6->sin6_scope_id == 0)
1000 sa6->sin6_scope_id =
1001 ntohs(*(u_int16_t *)&sa6->sin6_addr.s6_addr[2]);
1002 sa6->sin6_addr.s6_addr[2] = sa6->sin6_addr.s6_addr[3] = 0;
1008 netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
1010 static char line[MAXHOSTNAMELEN];
1011 u_char *p = (u_char *)mask;
1013 int masklen, illegal = 0, flag = 0;
1016 for (masklen = 0, lim = p + 16; p < lim; p++) {
1050 fprintf(stderr, "illegal prefixlen\n");
1055 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
1059 flag |= NI_NUMERICHOST;
1060 getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
1064 sprintf(&line[strlen(line)], "/%d", masklen);
1070 routename6(struct sockaddr_in6 *sa6)
1072 static char line[MAXHOSTNAMELEN];
1074 /* use local variable for safety */
1075 struct sockaddr_in6 sa6_local;
1077 sa6_local.sin6_family = AF_INET6;
1078 sa6_local.sin6_len = sizeof(sa6_local);
1079 sa6_local.sin6_addr = sa6->sin6_addr;
1080 sa6_local.sin6_scope_id = sa6->sin6_scope_id;
1083 flag |= NI_NUMERICHOST;
1085 getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len,
1086 line, sizeof(line), NULL, 0, flag);
1093 * Print routing statistics
1098 struct rtstat rtstat;
1099 u_long rtsaddr, rttaddr;
1104 if ((rtsaddr = rl[N_RTSTAT].n_value) == 0) {
1105 printf("rtstat: symbol not in namelist\n");
1108 if ((rttaddr = rl[N_RTTRASH].n_value) == 0) {
1109 printf("rttrash: symbol not in namelist\n");
1112 kread(rtsaddr, (char *)&rtstat, sizeof (rtstat));
1113 kread(rttaddr, (char *)&rttrash, sizeof (rttrash));
1114 printf("routing:\n");
1116 #define p(f, m) if (rtstat.f || sflag <= 1) \
1117 printf(m, rtstat.f, plural(rtstat.f))
1119 p(rts_badredirect, "\t%hu bad routing redirect%s\n");
1120 p(rts_dynamic, "\t%hu dynamically created route%s\n");
1121 p(rts_newgateway, "\t%hu new gateway%s due to redirects\n");
1122 p(rts_unreach, "\t%hu destination%s found unreachable\n");
1123 p(rts_wildcard, "\t%hu use%s of a wildcard route\n");
1126 if (rttrash || sflag <= 1)
1127 printf("\t%u route%s not in table but not freed\n",
1128 rttrash, plural(rttrash));
1132 ipx_print(struct sockaddr *sa)
1135 struct servent *sp = 0;
1136 const char *net = "", *host = "";
1139 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
1140 static char mybuf[50];
1141 char cport[10], chost[15], cnet[15];
1143 port = ntohs(work.x_port);
1145 if (ipx_nullnet(work) && ipx_nullhost(work)) {
1149 sprintf(mybuf, "*.%s", sp->s_name);
1151 sprintf(mybuf, "*.%x", port);
1153 sprintf(mybuf, "*.*");
1158 if (ipx_wildnet(work))
1160 else if (ipx_nullnet(work))
1163 q = work.x_net.c_net;
1164 sprintf(cnet, "%02x%02x%02x%02x",
1165 q[0], q[1], q[2], q[3]);
1166 for (p = cnet; *p == '0' && p < cnet + 8; p++)
1171 if (ipx_wildhost(work))
1173 else if (ipx_nullhost(work))
1176 q = work.x_host.c_host;
1177 sprintf(chost, "%02x%02x%02x%02x%02x%02x",
1178 q[0], q[1], q[2], q[3], q[4], q[5]);
1179 for (p = chost; *p == '0' && p < chost + 12; p++)
1185 if (strcmp(host, "*") == 0)
1188 snprintf(cport, sizeof(cport),
1189 "%s%s", *host ? "." : "", sp->s_name);
1191 snprintf(cport, sizeof(cport),
1192 "%s%x", *host ? "." : "", port);
1196 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport);
1201 ipx_phost(struct sockaddr *sa)
1203 struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1204 struct sockaddr_ipx work;
1205 static union ipx_net ipx_zeronet;
1210 work.sipx_addr.x_port = 0;
1211 work.sipx_addr.x_net = ipx_zeronet;
1212 p = ipx_print((struct sockaddr *)&work);
1213 if (strncmp("*.", p, 2) == 0) p += 2;