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' },
95 { RTF_PRCLONING,'c' },
97 { RTF_BLACKHOLE,'B' },
98 { RTF_BROADCAST,'b' },
103 { RTF_WASCLONED,'W' },
106 { RTF_CLONING, 'C' },
112 * kvm(3) bindings for every needed symbol
114 static struct nlist rl[] = {
116 { .n_name = "_rtstat" },
118 { .n_name = "_rt_tables"},
120 { .n_name = "_rttrash" },
125 long dummy; /* Helps align structure. */
126 struct sockaddr u_sa;
133 char ifname[IFNAMSIZ];
136 static struct ifmap_entry *ifmap;
137 static int ifmap_size;
140 struct rtentry rtentry;
141 struct radix_node rnode;
142 struct radix_mask rmask;
146 struct timespec uptime;
148 static struct sockaddr *kgetsa(struct sockaddr *);
149 static void size_cols(int ef, struct radix_node *rn);
150 static void size_cols_tree(struct radix_node *rn);
151 static void size_cols_rtentry(struct rtentry *rt);
152 static void p_rtnode_kvm(void);
153 static void p_rtable_sysctl(int, int);
154 static void p_rtable_kvm(int, int );
155 static void p_rtree_kvm(struct radix_node *);
156 static void p_rtentry_sysctl(struct rt_msghdr *);
157 static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int);
158 static const char *fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask,
160 static void p_flags(int, const char *);
161 static const char *fmt_flags(int f);
162 static void p_rtentry_kvm(struct rtentry *);
163 static void domask(char *, in_addr_t, u_long);
166 * Print routing tables.
169 routepr(int fibnum, int af)
174 intsize = sizeof(int);
176 sysctlbyname("net.my_fibnum", &fibnum, &intsize, NULL, 0) == -1)
178 if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)
180 if (fibnum < 0 || fibnum > numfibs - 1)
181 errx(EX_USAGE, "%d: invalid fib", fibnum);
183 * Since kernel & userland use different timebase
184 * (time_uptime vs time_second) and we are reading kernel memory
185 * directly we should do rt_expire --> expire_time conversion.
187 if (clock_gettime(CLOCK_UPTIME, &uptime) < 0)
188 err(EX_OSERR, "clock_gettime() failed");
190 printf("Routing tables");
192 printf(" (fib: %d)", fibnum);
195 if (Aflag == 0 && live != 0 && NewTree)
196 p_rtable_sysctl(fibnum, af);
198 p_rtable_kvm(fibnum, af);
203 * Print address family header before a section of the routing table.
216 afname = "Internet6";
226 afname = "AppleTalk";
239 printf("\n%s:\n", afname);
241 printf("\nProtocol Family %d:\n", af1);
244 /* column widths; each followed by one space */
246 #define WID_DST_DEFAULT(af) 18 /* width of destination column */
247 #define WID_GW_DEFAULT(af) 18 /* width of gateway column */
248 #define WID_IF_DEFAULT(af) (Wflag ? 8 : 6) /* width of netif column */
250 #define WID_DST_DEFAULT(af) \
251 ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
252 #define WID_GW_DEFAULT(af) \
253 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
254 #define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 8 : 6))
259 static int wid_flags;
260 static int wid_pksent;
263 static int wid_expire;
266 size_cols(int ef, struct radix_node *rn)
268 wid_dst = WID_DST_DEFAULT(ef);
269 wid_gw = WID_GW_DEFAULT(ef);
273 wid_if = WID_IF_DEFAULT(ef);
276 if (Wflag && rn != NULL)
281 size_cols_tree(struct radix_node *rn)
284 if (kget(rn, rnode) != 0)
286 if (!(rnode.rn_flags & RNF_ACTIVE))
288 if (rnode.rn_bit < 0) {
289 if ((rnode.rn_flags & RNF_ROOT) == 0) {
290 if (kget(rn, rtentry) != 0)
292 size_cols_rtentry(&rtentry);
294 if ((rn = rnode.rn_dupedkey))
298 size_cols_tree(rnode.rn_left);
304 size_cols_rtentry(struct rtentry *rt)
306 static struct ifnet ifnet, *lastif;
307 static char buffer[100];
313 bzero(&addr, sizeof(addr));
314 if ((sa = kgetsa(rt_key(rt))))
315 bcopy(sa, &addr, sa->sa_len);
316 bzero(&mask, sizeof(mask));
317 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
318 bcopy(sa, &mask, sa->sa_len);
319 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags);
321 wid_dst = MAX(len, wid_dst);
323 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST);
325 wid_gw = MAX(len, wid_gw);
327 bp = fmt_flags(rt->rt_flags);
329 wid_flags = MAX(len, wid_flags);
332 len = snprintf(buffer, sizeof(buffer), "%lu",
333 kread_counter((u_long )rt->rt_pksent));
334 wid_pksent = MAX(len, wid_pksent);
337 if (rt->rt_ifp != lastif) {
338 if (kget(rt->rt_ifp, ifnet) == 0)
339 len = strlen(ifnet.if_xname);
343 wid_if = MAX(len, wid_if);
349 rt->rt_expire - uptime.tv_sec) > 0) {
350 len = snprintf(buffer, sizeof(buffer), "%d",
352 wid_expire = MAX(len, wid_expire);
360 * Print header for routing table columns.
367 printf("%-8.8s ","Address");
369 printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*s\n",
370 wid_dst, wid_dst, "Destination",
371 wid_gw, wid_gw, "Gateway",
372 wid_flags, wid_flags, "Flags",
373 wid_pksent, wid_pksent, "Use",
374 wid_mtu, wid_mtu, "Mtu",
375 wid_if, wid_if, "Netif",
376 wid_expire, "Expire");
378 printf("%-*.*s %-*.*s %-*.*s %*.*s %*s\n",
379 wid_dst, wid_dst, "Destination",
380 wid_gw, wid_gw, "Gateway",
381 wid_flags, wid_flags, "Flags",
382 wid_if, wid_if, "Netif",
383 wid_expire, "Expire");
387 static struct sockaddr *
388 kgetsa(struct sockaddr *dst)
391 if (kget(dst, pt_u.u_sa) != 0)
393 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
394 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
399 * Print kernel routing tables for given fib
400 * using debugging kvm(3) interface.
403 p_rtable_kvm(int fibnum, int af)
405 struct radix_node_head **rnhp, *rnh, head;
406 struct radix_node_head **rt_tables;
411 if ((rtree = rl[N_RTREE].n_value) == 0) {
412 printf("rt_tables: symbol not in namelist\n");
416 af_size = (AF_MAX + 1) * sizeof(struct radix_node_head *);
417 rt_tables = calloc(1, af_size);
418 if (rt_tables == NULL)
419 err(EX_OSERR, "memory allocation failed");
421 if (kread((u_long)(rtree), (char *)(rt_tables) + fibnum * af_size,
423 err(EX_OSERR, "error retrieving radix pointers");
424 for (fam = 0; fam <= AF_MAX; fam++) {
435 rnhp = (struct radix_node_head **)*rt_tables;
436 /* Calculate the in-kernel address. */
437 rnhp += tmpfib * (AF_MAX + 1) + fam;
438 /* Read the in kernel rhn pointer. */
439 if (kget(rnhp, rnh) != 0)
443 /* Read the rnh data. */
444 if (kget(rnh, head) != 0)
446 if (fam == AF_UNSPEC) {
447 if (Aflag && af == 0) {
448 printf("Netmasks:\n");
449 p_rtree_kvm(head.rnh_treetop);
451 } else if (af == AF_UNSPEC || af == fam) {
452 size_cols(fam, head.rnh_treetop);
456 p_rtree_kvm(head.rnh_treetop);
464 * Print given kernel radix tree using
465 * debugging kvm(3) interface.
468 p_rtree_kvm(struct radix_node *rn)
472 if (kget(rn, rnode) != 0)
474 if (!(rnode.rn_flags & RNF_ACTIVE))
476 if (rnode.rn_bit < 0) {
478 printf("%-8.8lx ", (u_long)rn);
479 if (rnode.rn_flags & RNF_ROOT) {
481 printf("(root node)%s",
482 rnode.rn_dupedkey ? " =>\n" : "\n");
483 } else if (do_rtent) {
484 if (kget(rn, rtentry) == 0) {
485 p_rtentry_kvm(&rtentry);
490 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
494 if ((rn = rnode.rn_dupedkey))
497 if (Aflag && do_rtent) {
498 printf("%-8.8lx ", (u_long)rn);
502 p_rtree_kvm(rnode.rn_left);
512 struct radix_mask *rm = rnode.rn_mklist;
514 if (rnode.rn_bit < 0) {
517 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
522 sprintf(nbuf, "(%d)", rnode.rn_bit);
523 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
526 if (kget(rm, rmask) != 0)
528 sprintf(nbuf, " %d refs, ", rmask.rm_refs);
529 printf(" mk = %8.8lx {(%d),%s",
530 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " ");
531 if (rmask.rm_flags & RNF_NORMAL) {
532 struct radix_node rnode_aux;
533 printf(" <normal>, ");
534 if (kget(rmask.rm_leaf, rnode_aux) == 0)
535 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
538 p_sockaddr(NULL, NULL, 0, -1);
540 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
543 if ((rm = rmask.rm_mklist))
550 p_rtable_sysctl(int fibnum, int af)
554 char *buf, *next, *lim;
555 struct rt_msghdr *rtm;
557 int fam = 0, ifindex = 0, size;
559 struct ifaddrs *ifap, *ifa;
560 struct sockaddr_dl *sdl;
563 * Retrieve interface list at first
564 * since we need #ifindex -> if_xname match
566 if (getifaddrs(&ifap) != 0)
567 err(EX_OSERR, "getifaddrs");
569 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
571 if (ifa->ifa_addr->sa_family != AF_LINK)
574 sdl = (struct sockaddr_dl *)ifa->ifa_addr;
575 ifindex = sdl->sdl_index;
577 if (ifindex >= ifmap_size) {
578 size = roundup(ifindex + 1, 32) *
579 sizeof(struct ifmap_entry);
580 if ((ifmap = realloc(ifmap, size)) == NULL)
581 errx(2, "realloc(%d) failed", size);
582 memset(&ifmap[ifmap_size], 0,
584 sizeof(struct ifmap_entry));
586 ifmap_size = roundup(ifindex + 1, 32);
589 if (*ifmap[ifindex].ifname != '\0')
592 strlcpy(ifmap[ifindex].ifname, ifa->ifa_name, IFNAMSIZ);
601 mib[4] = NET_RT_DUMP;
604 if (sysctl(mib, 7, NULL, &needed, NULL, 0) < 0) {
605 err(1, "sysctl: net.route.0.%d.dump.%d estimate", af, fibnum);
608 if ((buf = malloc(needed)) == 0) {
609 errx(2, "malloc(%lu)", (unsigned long)needed);
611 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
612 err(1, "sysctl: net.route.0.%d.dump.%d", af, fibnum);
615 for (next = buf; next < lim; next += rtm->rtm_msglen) {
616 rtm = (struct rt_msghdr *)next;
618 * Peek inside header to determine AF
620 sa = (struct sockaddr *)(rtm + 1);
621 if (fam != sa->sa_family) {
623 size_cols(fam, NULL);
627 p_rtentry_sysctl(rtm);
632 p_rtentry_sysctl(struct rt_msghdr *rtm)
634 struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
636 char prettyname[128];
640 #define GETSA(_s, _f) { \
641 bzero(&(_s), sizeof(_s)); \
642 if (rtm->rtm_addrs & _f) { \
643 l = roundup(sa->sa_len, sizeof(long)); \
644 memcpy(&(_s), sa, (l > sizeof(_s)) ? sizeof(_s) : l); \
645 sa = (struct sockaddr *)((char *)sa + l); \
649 GETSA(addr, RTA_DST);
650 GETSA(gw, RTA_GATEWAY);
651 GETSA(mask, RTA_NETMASK);
652 p_sockaddr(&addr.u_sa, &mask.u_sa, rtm->rtm_flags, wid_dst);
653 p_sockaddr(&gw.u_sa, NULL, RTF_HOST, wid_gw);
655 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
656 p_flags(rtm->rtm_flags, buffer);
658 printf("%*lu ", wid_pksent, rtm->rtm_rmx.rmx_pksent);
660 if (rtm->rtm_rmx.rmx_mtu != 0)
661 printf("%*lu ", wid_mtu, rtm->rtm_rmx.rmx_mtu);
663 printf("%*s ", wid_mtu, "");
666 memset(prettyname, 0, sizeof(prettyname));
667 if (rtm->rtm_index < ifmap_size) {
668 strlcpy(prettyname, ifmap[rtm->rtm_index].ifname,
670 if (*prettyname == '\0')
671 strlcpy(prettyname, "---", sizeof(prettyname));
674 printf("%*.*s", wid_if, wid_if, prettyname);
675 if (rtm->rtm_rmx.rmx_expire) {
679 rtm->rtm_rmx.rmx_expire - uptime.tv_sec) > 0)
680 printf(" %*d", wid_expire, (int)expire_time);
687 p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
691 cp = fmt_sockaddr(sa, mask, flags);
697 printf("%-*s ", width, cp);
699 printf("%-*.*s ", width, width, cp);
704 fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
706 static char workbuf[128];
712 switch(sa->sa_family) {
715 struct sockaddr_in *sockin = (struct sockaddr_in *)sa;
717 if ((sockin->sin_addr.s_addr == INADDR_ANY) &&
719 ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
722 else if (flags & RTF_HOST)
723 cp = routename(sockin->sin_addr.s_addr);
725 cp = netname(sockin->sin_addr.s_addr,
726 ((struct sockaddr_in *)mask)->sin_addr.s_addr);
728 cp = netname(sockin->sin_addr.s_addr, INADDR_ANY);
735 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
738 * The sa6->sin6_scope_id must be filled here because
739 * this sockaddr is extracted from kmem(4) directly
740 * and has KAME-specific embedded scope id in
741 * sa6->sin6_addr.s6_addr[2].
743 in6_fillscopeid(sa6);
745 if (flags & RTF_HOST)
746 cp = routename6(sa6);
749 &((struct sockaddr_in6 *)mask)->sin6_addr);
751 cp = netname6(sa6, NULL);
759 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
760 if (ipx_nullnet(satoipx_addr(work)))
768 if (!(flags & RTF_HOST) && mask)
769 cp = atalk_print2(sa,mask,9);
771 cp = atalk_print(sa,11);
776 strlcpy(workbuf, ((struct sockaddr_ng *)sa)->sg_data,
784 struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
786 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
787 sdl->sdl_slen == 0) {
788 (void) sprintf(workbuf, "link#%d", sdl->sdl_index);
791 switch (sdl->sdl_type) {
796 if (sdl->sdl_alen == ETHER_ADDR_LEN) {
797 cp = ether_ntoa((struct ether_addr *)
798 (sdl->sdl_data + sdl->sdl_nlen));
811 u_char *s = (u_char *)sa->sa_data, *slim;
815 slim = sa->sa_len + (u_char *) sa;
816 cqlim = cq + sizeof(workbuf) - 6;
817 cq += sprintf(cq, "(%d)", sa->sa_family);
818 while (s < slim && cq < cqlim) {
819 cq += sprintf(cq, " %02x", *s++);
821 cq += sprintf(cq, "%02x", *s++);
831 p_flags(int f, const char *format)
833 printf(format, fmt_flags(f));
839 static char name[33];
841 struct bits *p = bits;
843 for (flags = name; p->b_mask; p++)
851 p_rtentry_kvm(struct rtentry *rt)
853 static struct ifnet ifnet, *lastif;
854 static char buffer[128];
855 static char prettyname[128];
859 bzero(&addr, sizeof(addr));
860 if ((sa = kgetsa(rt_key(rt))))
861 bcopy(sa, &addr, sa->sa_len);
862 bzero(&mask, sizeof(mask));
863 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
864 bcopy(sa, &mask, sa->sa_len);
865 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst);
866 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw);
867 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
868 p_flags(rt->rt_flags, buffer);
870 printf("%*lu ", wid_pksent,
871 kread_counter((u_long )rt->rt_pksent));
874 printf("%*lu ", wid_mtu, rt->rt_mtu);
876 printf("%*s ", wid_mtu, "");
879 if (rt->rt_ifp != lastif) {
880 if (kget(rt->rt_ifp, ifnet) == 0)
881 strlcpy(prettyname, ifnet.if_xname,
884 strlcpy(prettyname, "---", sizeof(prettyname));
887 printf("%*.*s", wid_if, wid_if, prettyname);
892 rt->rt_expire - uptime.tv_sec) > 0)
893 printf(" %*d", wid_expire, (int)expire_time);
895 if (rt->rt_nodes[0].rn_dupedkey)
902 routename(in_addr_t in)
905 static char line[MAXHOSTNAMELEN];
910 hp = gethostbyaddr(&in, sizeof (struct in_addr), AF_INET);
913 trimdomain(cp, strlen(cp));
917 strlcpy(line, cp, sizeof(line));
919 #define C(x) ((x) & 0xff)
921 sprintf(line, "%u.%u.%u.%u",
922 C(in >> 24), C(in >> 16), C(in >> 8), C(in));
927 #define NSHIFT(m) ( \
928 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
929 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
930 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
934 domask(char *dst, in_addr_t addr __unused, u_long mask)
938 if (mask == 0 || (!numeric_addr && NSHIFT(mask) != 0)) {
943 for (b = 0; b < 32; b++)
944 if (mask & (1 << b)) {
948 for (bb = b+1; bb < 32; bb++)
949 if (!(mask & (1 << bb))) {
950 i = -1; /* noncontig */
956 sprintf(dst, "&0x%lx", mask);
958 sprintf(dst, "/%d", 32-i);
962 * Return the name of the network whose address is given.
965 netname(in_addr_t in, in_addr_t mask)
968 static char line[MAXHOSTNAMELEN];
969 struct netent *np = 0;
972 /* It is ok to supply host address. */
976 if (!numeric_addr && i) {
977 np = getnetbyaddr(i >> NSHIFT(ntohl(mask)), AF_INET);
980 trimdomain(cp, strlen(cp));
984 strlcpy(line, cp, sizeof(line));
986 inet_ntop(AF_INET, &in, line, sizeof(line) - 1);
988 domask(line + strlen(line), i, ntohl(mask));
996 in6_fillscopeid(struct sockaddr_in6 *sa6)
998 #if defined(__KAME__)
1000 * XXX: This is a special workaround for KAME kernels.
1001 * sin6_scope_id field of SA should be set in the future.
1003 if (IN6_IS_ADDR_LINKLOCAL(&sa6->sin6_addr) ||
1004 IN6_IS_ADDR_MC_NODELOCAL(&sa6->sin6_addr) ||
1005 IN6_IS_ADDR_MC_LINKLOCAL(&sa6->sin6_addr)) {
1006 /* XXX: override is ok? */
1007 sa6->sin6_scope_id =
1008 ntohs(*(u_int16_t *)&sa6->sin6_addr.s6_addr[2]);
1009 sa6->sin6_addr.s6_addr[2] = sa6->sin6_addr.s6_addr[3] = 0;
1015 netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
1017 static char line[MAXHOSTNAMELEN];
1018 u_char *p = (u_char *)mask;
1020 int masklen, illegal = 0, flag = 0;
1023 for (masklen = 0, lim = p + 16; p < lim; p++) {
1057 fprintf(stderr, "illegal prefixlen\n");
1062 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr))
1066 flag |= NI_NUMERICHOST;
1067 getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
1071 sprintf(&line[strlen(line)], "/%d", masklen);
1077 routename6(struct sockaddr_in6 *sa6)
1079 static char line[MAXHOSTNAMELEN];
1081 /* use local variable for safety */
1082 struct sockaddr_in6 sa6_local;
1084 sa6_local.sin6_family = AF_INET6;
1085 sa6_local.sin6_len = sizeof(sa6_local);
1086 sa6_local.sin6_addr = sa6->sin6_addr;
1087 sa6_local.sin6_scope_id = sa6->sin6_scope_id;
1090 flag |= NI_NUMERICHOST;
1092 getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len,
1093 line, sizeof(line), NULL, 0, flag);
1100 * Print routing statistics
1105 struct rtstat rtstat;
1106 u_long rtsaddr, rttaddr;
1111 if ((rtsaddr = rl[N_RTSTAT].n_value) == 0) {
1112 printf("rtstat: symbol not in namelist\n");
1115 if ((rttaddr = rl[N_RTTRASH].n_value) == 0) {
1116 printf("rttrash: symbol not in namelist\n");
1119 kread(rtsaddr, (char *)&rtstat, sizeof (rtstat));
1120 kread(rttaddr, (char *)&rttrash, sizeof (rttrash));
1121 printf("routing:\n");
1123 #define p(f, m) if (rtstat.f || sflag <= 1) \
1124 printf(m, rtstat.f, plural(rtstat.f))
1126 p(rts_badredirect, "\t%hu bad routing redirect%s\n");
1127 p(rts_dynamic, "\t%hu dynamically created route%s\n");
1128 p(rts_newgateway, "\t%hu new gateway%s due to redirects\n");
1129 p(rts_unreach, "\t%hu destination%s found unreachable\n");
1130 p(rts_wildcard, "\t%hu use%s of a wildcard route\n");
1133 if (rttrash || sflag <= 1)
1134 printf("\t%u route%s not in table but not freed\n",
1135 rttrash, plural(rttrash));
1139 ipx_print(struct sockaddr *sa)
1142 struct servent *sp = 0;
1143 const char *net = "", *host = "";
1146 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr;
1147 static char mybuf[50];
1148 char cport[10], chost[15], cnet[15];
1150 port = ntohs(work.x_port);
1152 if (ipx_nullnet(work) && ipx_nullhost(work)) {
1156 sprintf(mybuf, "*.%s", sp->s_name);
1158 sprintf(mybuf, "*.%x", port);
1160 sprintf(mybuf, "*.*");
1165 if (ipx_wildnet(work))
1167 else if (ipx_nullnet(work))
1170 q = work.x_net.c_net;
1171 sprintf(cnet, "%02x%02x%02x%02x",
1172 q[0], q[1], q[2], q[3]);
1173 for (p = cnet; *p == '0' && p < cnet + 8; p++)
1178 if (ipx_wildhost(work))
1180 else if (ipx_nullhost(work))
1183 q = work.x_host.c_host;
1184 sprintf(chost, "%02x%02x%02x%02x%02x%02x",
1185 q[0], q[1], q[2], q[3], q[4], q[5]);
1186 for (p = chost; *p == '0' && p < chost + 12; p++)
1192 if (strcmp(host, "*") == 0)
1195 snprintf(cport, sizeof(cport),
1196 "%s%s", *host ? "." : "", sp->s_name);
1198 snprintf(cport, sizeof(cport),
1199 "%s%x", *host ? "." : "", port);
1203 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport);
1208 ipx_phost(struct sockaddr *sa)
1210 struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1211 struct sockaddr_ipx work;
1212 static union ipx_net ipx_zeronet;
1217 work.sipx_addr.x_port = 0;
1218 work.sipx_addr.x_net = ipx_zeronet;
1219 p = ipx_print((struct sockaddr *)&work);
1220 if (strncmp("*.", p, 2) == 0) p += 2;