2 * Copyright (c) 1983, 1989, 1991, 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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 static const char copyright[] =
36 "@(#) Copyright (c) 1983, 1989, 1991, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)route.c 8.6 (Berkeley) 4/28/95";
44 static const char rcsid[] =
45 "$FreeBSD: src/sbin/route/route.c,v 1.40.2.11 2003/02/27 23:10:10 ru Exp $";
48 #include <sys/param.h>
50 #include <sys/socket.h>
51 #include <sys/ioctl.h>
52 #include <sys/sysctl.h>
53 #include <sys/types.h>
56 #include <net/route.h>
57 #include <net/if_dl.h>
58 #include <netinet/in.h>
59 #include <netinet/if_ether.h>
60 #include <netatalk/at.h>
64 #include <arpa/inet.h>
86 struct ortentry route;
89 struct sockaddr_in sin;
91 struct sockaddr_in6 sin6;
93 struct sockaddr_at sat;
95 struct sockaddr_ns sns;
97 struct sockaddr_dl sdl;
98 struct sockaddr_inarp sinarp;
99 struct sockaddr_storage ss; /* added to avoid memory overrun */
100 } so_dst, so_gate, so_mask, so_genmask, so_ifa, so_ifp;
102 typedef union sockunion *sup;
105 int forcehost, forcenet, doflush, nflag, af, qflag, tflag, keyword();
106 int iflag, verbose, aflen = sizeof (struct sockaddr_in);
107 int locking, lockrest, debugonly;
108 struct rt_metrics rt_metrics;
111 int atalk_aton __P((const char *, struct at_addr *));
112 char *atalk_ntoa __P((struct at_addr));
113 const char *routename(), *netname();
114 void flushroutes(), newroute(), monitor(), sockaddr(), sodump(), bprintf();
115 void print_getmsg(), print_rtmsg(), pmsg_common(), pmsg_addrs(), mask_addr();
117 static int inet6_makenetandmask __P((struct sockaddr_in6 *, char *));
119 int getaddr(), rtmsg(), x25_makemask();
121 extern char *iso_ntoa();
123 void usage __P((const char *)) __dead2;
130 warnx("bad keyword: %s", cp);
131 (void) fprintf(stderr,
132 "usage: route [-dnqtv] command [[modifiers] args]\n");
138 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
139 #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
151 while ((ch = getopt(argc, argv, "nqdtv")) != -1)
178 s = open(_PATH_DEVNULL, O_WRONLY, 0);
180 s = socket(PF_ROUTE, SOCK_RAW, 0);
182 err(EX_OSERR, "socket");
184 switch (keyword(*argv)) {
192 newroute(argc, argv);
200 flushroutes(argc, argv);
209 * Purge all entries in the routing tables not
210 * associated with network interfaces.
213 flushroutes(argc, argv)
218 int mib[6], rlen, seqno;
219 char *buf, *next, *lim;
220 register struct rt_msghdr *rtm;
223 errx(EX_NOPERM, "must be root to alter routing table");
225 shutdown(s, 0); /* Don't want to read back our messages */
228 if (argc == 2 && **argv == '-')
229 switch (keyword(*argv + 1)) {
256 mib[2] = 0; /* protocol */
257 mib[3] = 0; /* wildcard address family */
258 mib[4] = NET_RT_DUMP;
259 mib[5] = 0; /* no flags */
260 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
261 err(EX_OSERR, "route-sysctl-estimate");
262 if ((buf = malloc(needed)) == NULL)
263 errx(EX_OSERR, "malloc failed");
264 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0)
265 err(EX_OSERR, "route-sysctl-get");
268 (void) printf("Examining routing table from sysctl\n");
270 for (next = buf; next < lim; next += rtm->rtm_msglen) {
271 rtm = (struct rt_msghdr *)next;
273 print_rtmsg(rtm, rtm->rtm_msglen);
274 if ((rtm->rtm_flags & RTF_GATEWAY) == 0)
277 struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
279 if (sa->sa_family != af)
284 rtm->rtm_type = RTM_DELETE;
285 rtm->rtm_seq = seqno;
286 rlen = write(s, next, rtm->rtm_msglen);
287 if (rlen < (int)rtm->rtm_msglen) {
288 warn("write to routing socket");
289 (void) printf("got only %d for rlen\n", rlen);
296 print_rtmsg(rtm, rlen);
298 struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
299 (void) printf("%-20.20s ", rtm->rtm_flags & RTF_HOST ?
300 routename(sa) : netname(sa));
301 sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
302 (void) printf("%-20.20s ", routename(sa));
303 (void) printf("done\n");
313 static char line[MAXHOSTNAMELEN + 1];
315 static char domain[MAXHOSTNAMELEN + 1];
316 static int first = 1;
323 if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
324 (cp = strchr(domain, '.'))) {
325 domain[MAXHOSTNAMELEN] = '\0';
326 (void) strcpy(domain, cp + 1);
332 strcpy(line, "default");
333 else switch (sa->sa_family) {
337 in = ((struct sockaddr_in *)sa)->sin_addr;
340 if (in.s_addr == INADDR_ANY || sa->sa_len < 4)
342 if (cp == 0 && !nflag) {
343 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
346 if ((cp = strchr(hp->h_name, '.')) &&
347 !strcmp(cp + 1, domain))
353 strncpy(line, cp, sizeof(line) - 1);
354 line[sizeof(line) - 1] = '\0';
356 (void) sprintf(line, "%s", inet_ntoa(in));
363 struct sockaddr_in6 sin6; /* use static var for safety */
365 #ifdef NI_WITHSCOPEID
366 niflags = NI_WITHSCOPEID;
369 memset(&sin6, 0, sizeof(sin6));
370 memcpy(&sin6, sa, sa->sa_len);
371 sin6.sin6_len = sizeof(struct sockaddr_in6);
372 sin6.sin6_family = AF_INET6;
374 if (sa->sa_len == sizeof(struct sockaddr_in6) &&
375 (IN6_IS_ADDR_LINKLOCAL(&sin6.sin6_addr) ||
376 IN6_IS_ADDR_MC_LINKLOCAL(&sin6.sin6_addr)) &&
377 sin6.sin6_scope_id == 0) {
379 ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
380 sin6.sin6_addr.s6_addr[2] = 0;
381 sin6.sin6_addr.s6_addr[3] = 0;
385 niflags |= NI_NUMERICHOST;
386 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
387 line, sizeof(line), NULL, 0, niflags) != 0)
388 strncpy(line, "invalid", sizeof(line));
395 (void) snprintf(line, sizeof(line), "atalk %s",
396 atalk_ntoa(((struct sockaddr_at *)sa)->sat_addr));
401 return (ns_print((struct sockaddr_ns *)sa));
405 return (link_ntoa((struct sockaddr_dl *)sa));
408 { u_short *s = (u_short *)sa;
409 u_short *slim = s + ((sa->sa_len + 1) >> 1);
410 char *cp = line + sprintf(line, "(%d)", sa->sa_family);
411 char *cpe = line + sizeof(line);
413 while (++s < slim && cp < cpe) /* start with sa->sa_data */
414 cp += snprintf(cp, cpe - cp, " %x", *s);
422 * Return the name of the network whose address is given.
423 * The address is assumed to be that of a net or subnet, not a host.
430 static char line[MAXHOSTNAMELEN + 1];
431 struct netent *np = 0;
439 switch (sa->sa_family) {
443 in = ((struct sockaddr_in *)sa)->sin_addr;
445 i = in.s_addr = ntohl(in.s_addr);
450 mask = IN_CLASSA_NET;
452 } else if (IN_CLASSB(i)) {
453 mask = IN_CLASSB_NET;
456 mask = IN_CLASSC_NET;
460 * If there are more bits than the standard mask
461 * would suggest, subnets must be in use.
462 * Guess at the subnet mask, assuming reasonable
463 * width subnet fields.
465 while (in.s_addr &~ mask)
466 mask = (long)mask >> subnetshift;
467 net = in.s_addr & mask;
468 while ((mask & 1) == 0)
469 mask >>= 1, net >>= 1;
470 np = getnetbyaddr(net, AF_INET);
474 #define C(x) (unsigned)((x) & 0xff)
476 strncpy(line, cp, sizeof(line));
477 else if ((in.s_addr & 0xffffff) == 0)
478 (void) sprintf(line, "%u", C(in.s_addr >> 24));
479 else if ((in.s_addr & 0xffff) == 0)
480 (void) sprintf(line, "%u.%u", C(in.s_addr >> 24),
482 else if ((in.s_addr & 0xff) == 0)
483 (void) sprintf(line, "%u.%u.%u", C(in.s_addr >> 24),
484 C(in.s_addr >> 16), C(in.s_addr >> 8));
486 (void) sprintf(line, "%u.%u.%u.%u", C(in.s_addr >> 24),
487 C(in.s_addr >> 16), C(in.s_addr >> 8),
496 struct sockaddr_in6 sin6; /* use static var for safety */
498 #ifdef NI_WITHSCOPEID
499 niflags = NI_WITHSCOPEID;
502 memset(&sin6, 0, sizeof(sin6));
503 memcpy(&sin6, sa, sa->sa_len);
504 sin6.sin6_len = sizeof(struct sockaddr_in6);
505 sin6.sin6_family = AF_INET6;
507 if (sa->sa_len == sizeof(struct sockaddr_in6) &&
508 (IN6_IS_ADDR_LINKLOCAL(&sin6.sin6_addr) ||
509 IN6_IS_ADDR_MC_LINKLOCAL(&sin6.sin6_addr)) &&
510 sin6.sin6_scope_id == 0) {
512 ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
513 sin6.sin6_addr.s6_addr[2] = 0;
514 sin6.sin6_addr.s6_addr[3] = 0;
518 niflags |= NI_NUMERICHOST;
519 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
520 line, sizeof(line), NULL, 0, niflags) != 0)
521 strncpy(line, "invalid", sizeof(line));
528 (void) snprintf(line, sizeof(line), "atalk %s",
529 atalk_ntoa(((struct sockaddr_at *)sa)->sat_addr));
534 return (ns_print((struct sockaddr_ns *)sa));
539 return (link_ntoa((struct sockaddr_dl *)sa));
543 { u_short *s = (u_short *)sa->sa_data;
544 u_short *slim = s + ((sa->sa_len + 1)>>1);
545 char *cp = line + sprintf(line, "af %d:", sa->sa_family);
546 char *cpe = line + sizeof(line);
548 while (s < slim && cp < cpe)
549 cp += snprintf(cp, cpe - cp, " %x", *s++);
557 set_metric(value, key)
562 u_long noval, *valp = &noval;
565 #define caseof(x, y, z) case x: valp = &rt_metrics.z; flag = y; break
566 caseof(K_MTU, RTV_MTU, rmx_mtu);
567 caseof(K_HOPCOUNT, RTV_HOPCOUNT, rmx_hopcount);
568 caseof(K_EXPIRE, RTV_EXPIRE, rmx_expire);
569 caseof(K_RECVPIPE, RTV_RPIPE, rmx_recvpipe);
570 caseof(K_SENDPIPE, RTV_SPIPE, rmx_sendpipe);
571 caseof(K_SSTHRESH, RTV_SSTHRESH, rmx_ssthresh);
572 caseof(K_RTT, RTV_RTT, rmx_rtt);
573 caseof(K_RTTVAR, RTV_RTTVAR, rmx_rttvar);
576 if (lockrest || locking)
577 rt_metrics.rmx_locks |= flag;
586 register char **argv;
588 char *cmd, *dest = "", *gateway = "", *err;
589 int ishost = 0, proxy = 0, ret, attempts, oerrno, flags = RTF_STATIC;
591 struct hostent *hp = 0;
594 errx(EX_NOPERM, "must be root to alter routing table");
598 shutdown(s, 0); /* Don't want to read back our messages */
600 if (**(++argv)== '-') {
601 switch (key = keyword(1 + *argv)) {
604 aflen = sizeof(struct sockaddr_dl);
608 aflen = sizeof(struct sockaddr_in);
613 aflen = sizeof(struct sockaddr_in6);
618 aflen = sizeof(struct sockaddr_at);
622 aflen = sizeof(union sockunion);
627 aflen = sizeof(struct sockaddr_ns);
635 flags &= ~RTF_STATIC;
653 flags |= RTF_BLACKHOLE;
665 flags |= RTF_CLONING;
668 flags |= RTF_XRESOLVE;
676 (void) getaddr(RTA_IFA, *++argv, 0);
681 (void) getaddr(RTA_IFP, *++argv, 0);
686 (void) getaddr(RTA_GENMASK, *++argv, 0);
691 (void) getaddr(RTA_GATEWAY, *++argv, 0);
696 ishost = getaddr(RTA_DST, *++argv, &hp);
702 (void) getaddr(RTA_NETMASK, *++argv, 0);
710 if (prefixlen(*++argv) == -1) {
728 set_metric(*++argv, key);
734 if ((rtm_addrs & RTA_DST) == 0) {
736 ishost = getaddr(RTA_DST, *argv, &hp);
737 } else if ((rtm_addrs & RTA_GATEWAY) == 0) {
739 (void) getaddr(RTA_GATEWAY, *argv, &hp);
741 (void) getaddr(RTA_NETMASK, *argv, 0);
749 if (af == AF_INET6) {
750 rtm_addrs &= ~RTA_NETMASK;
751 memset((void *)&so_mask, 0, sizeof(so_mask));
761 flags |= RTF_GATEWAY;
763 so_dst.sinarp.sin_other = SIN_PROXY;
764 flags |= RTF_ANNOUNCE;
766 for (attempts = 1; ; attempts++) {
768 if ((ret = rtmsg(*cmd, flags)) == 0)
770 if (errno != ENETUNREACH && errno != ESRCH)
772 if (af == AF_INET && *gateway && hp && hp->h_addr_list[1]) {
774 memmove(&so_gate.sin.sin_addr, hp->h_addr_list[0],
775 MIN(hp->h_length, sizeof(so_gate.sin.sin_addr)));
783 (void) printf("%s %s %s", cmd, ishost? "host" : "net", dest);
785 (void) printf(": gateway %s", gateway);
786 if (attempts > 1 && ret == 0 && af == AF_INET)
787 (void) printf(" (%s)",
788 inet_ntoa(((struct sockaddr_in *)&route.rt_gateway)->sin_addr));
795 err = "not in table";
798 err = "entry in use";
801 err = "routing table overflow";
803 case EDQUOT: /* handle recursion avoidance in rt_setgate() */
804 err = "gateway uses the same route";
807 err = strerror(oerrno);
810 (void) printf(": %s\n", err);
817 inet_makenetandmask(net, sin, bits)
819 register struct sockaddr_in *sin;
821 u_long addr, mask = 0;
824 rtm_addrs |= RTA_NETMASK;
827 else if (net < 128) {
828 addr = net << IN_CLASSA_NSHIFT;
829 mask = IN_CLASSA_NET;
830 } else if (net < 65536) {
831 addr = net << IN_CLASSB_NSHIFT;
832 mask = IN_CLASSB_NET;
833 } else if (net < 16777216L) {
834 addr = net << IN_CLASSC_NSHIFT;
835 mask = IN_CLASSC_NET;
838 if ((addr & IN_CLASSA_HOST) == 0)
839 mask = IN_CLASSA_NET;
840 else if ((addr & IN_CLASSB_HOST) == 0)
841 mask = IN_CLASSB_NET;
842 else if ((addr & IN_CLASSC_HOST) == 0)
843 mask = IN_CLASSC_NET;
848 mask = 0xffffffff << (32 - bits);
849 sin->sin_addr.s_addr = htonl(addr);
851 sin->sin_addr.s_addr = htonl(mask);
854 cp = (char *)(&sin->sin_addr + 1);
855 while (*--cp == 0 && cp > (char *)sin)
857 sin->sin_len = 1 + cp - (char *)sin;
862 * XXX the function may need more improvement...
865 inet6_makenetandmask(sin6, plen)
866 struct sockaddr_in6 *sin6;
872 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) &&
873 sin6->sin6_scope_id == 0) {
875 } else if ((sin6->sin6_addr.s6_addr[0] & 0xe0) == 0x20) {
876 /* aggregatable global unicast - RFC2374 */
877 memset(&in6, 0, sizeof(in6));
878 if (!memcmp(&sin6->sin6_addr.s6_addr[8],
884 if (!plen || strcmp(plen, "128") == 0)
886 rtm_addrs |= RTA_NETMASK;
887 (void)prefixlen(plen);
893 * Interpret an argument as a network address of some kind,
894 * returning 1 if a host address, 0 if a network address.
897 getaddr(which, s, hpp)
900 struct hostent **hpp;
907 int afamily; /* local copy of af so we can change it */
911 aflen = sizeof(struct sockaddr_in);
922 struct ifaddrs *ifap, *ifa;
923 struct sockaddr_dl *sdl = NULL;
925 if (getifaddrs(&ifap))
926 err(1, "getifaddrs");
928 for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
929 if (ifa->ifa_addr->sa_family != AF_LINK)
932 if (strcmp(s, ifa->ifa_name))
935 sdl = (struct sockaddr_dl *)ifa->ifa_addr;
937 /* If we found it, then use it */
940 * Copy is safe since we have a
941 * sockaddr_storage member in sockunion{}.
942 * Note that we need to copy before calling
945 memcpy(&su->sdl, sdl, sdl->sdl_len);
966 usage("internal error");
969 su->sa.sa_len = aflen;
970 su->sa.sa_family = afamily; /* cases that don't want it have left already */
971 if (strcmp(s, "default") == 0) {
973 * Default is net 0.0.0.0/0
978 /* bzero(su, sizeof(*su)); *//* for readability */
979 (void) getaddr(RTA_NETMASK, s, 0);
983 /* bzero(su, sizeof(*su)); *//* for readability */
991 struct addrinfo hints, *res;
994 if (which == RTA_DST && (q = strchr(s, '/')) != NULL)
996 memset(&hints, 0, sizeof(hints));
997 hints.ai_family = afamily; /*AF_INET6*/
998 hints.ai_flags = AI_NUMERICHOST;
999 hints.ai_socktype = SOCK_DGRAM; /*dummy*/
1000 if (getaddrinfo(s, "0", &hints, &res) != 0 ||
1001 res->ai_family != AF_INET6 ||
1002 res->ai_addrlen != sizeof(su->sin6)) {
1003 (void) fprintf(stderr, "%s: bad value\n", s);
1006 memcpy(&su->sin6, res->ai_addr, sizeof(su->sin6));
1008 if ((IN6_IS_ADDR_LINKLOCAL(&su->sin6.sin6_addr) ||
1009 IN6_IS_ADDR_LINKLOCAL(&su->sin6.sin6_addr)) &&
1010 su->sin6.sin6_scope_id) {
1011 *(u_int16_t *)&su->sin6.sin6_addr.s6_addr[2] =
1012 htons(su->sin6.sin6_scope_id);
1013 su->sin6.sin6_scope_id = 0;
1019 if (which == RTA_DST)
1020 return (inet6_makenetandmask(&su->sin6, q));
1027 if (which == RTA_DST) {
1028 extern short ns_bh[3];
1029 struct sockaddr_ns *sms = &(so_mask.sns);
1030 memset(sms, 0, sizeof(*sms));
1031 sms->sns_family = 0;
1033 sms->sns_addr.x_net = *(union ns_net *)ns_bh;
1034 rtm_addrs |= RTA_NETMASK;
1036 su->sns.sns_addr = ns_addr(s);
1037 return (!ns_nullhost(su->sns.sns_addr));
1042 if (!atalk_aton(s, &su->sat.sat_addr))
1043 errx(EX_NOHOST, "bad address: %s", s);
1044 rtm_addrs |= RTA_NETMASK;
1045 return(forcehost || su->sat.sat_addr.s_node != 0);
1048 link_addr(s, &su->sdl);
1053 su->sa.sa_len = sizeof(*su);
1054 sockaddr(s, &su->sa);
1067 if (q && which == RTA_DST) {
1069 if ((val = inet_network(s)) != INADDR_NONE) {
1070 inet_makenetandmask(
1071 val, &su->sin, strtoul(q+1, 0, 0));
1076 if ((which != RTA_DST || forcenet == 0) &&
1077 inet_aton(s, &su->sin.sin_addr)) {
1078 val = su->sin.sin_addr.s_addr;
1079 if (which != RTA_DST ||
1080 inet_lnaof(su->sin.sin_addr) != INADDR_ANY)
1087 if (which == RTA_DST && forcehost == 0 &&
1088 ((val = inet_network(s)) != INADDR_NONE ||
1089 ((np = getnetbyname(s)) != NULL && (val = np->n_net) != 0))) {
1091 inet_makenetandmask(val, &su->sin, 0);
1094 hp = gethostbyname(s);
1097 su->sin.sin_family = hp->h_addrtype;
1098 memmove((char *)&su->sin.sin_addr, hp->h_addr,
1099 MIN(hp->h_length, sizeof(su->sin.sin_addr)));
1102 errx(EX_NOHOST, "bad address: %s", s);
1109 int len = atoi(s), q, r;
1113 rtm_addrs |= RTA_NETMASK;
1118 p = (char *)&so_mask.sin6.sin6_addr;
1123 p = (char *)&so_mask.sin.sin_addr;
1126 (void) fprintf(stderr, "prefixlen not supported in this af\n");
1131 if (len < 0 || max < len) {
1132 (void) fprintf(stderr, "%s: bad value\n", s);
1138 so_mask.sa.sa_family = af;
1139 so_mask.sa.sa_len = aflen;
1140 memset((void *)p, 0, max / 8);
1142 memset((void *)p, 0xff, q);
1144 *((u_char *)p + q) = (0xff00 >> r) & 0xff;
1152 short ns_nullh[] = {0,0,0};
1153 short ns_bh[] = {-1,-1,-1};
1157 struct sockaddr_ns *sns;
1159 struct ns_addr work;
1160 union { union ns_net net_e; u_long long_e; } net;
1162 static char mybuf[50+MAXHOSTNAMELEN], cport[10], chost[25];
1167 work = sns->sns_addr;
1168 port = ntohs(work.x_port);
1170 net.net_e = work.x_net;
1171 if (ns_nullhost(work) && net.long_e == 0) {
1174 (void) sprintf(mybuf, "*.%XH", port);
1178 if (memcmp(ns_bh, work.x_host.c_host, 6) == 0)
1180 else if (memcmp(ns_nullh, work.x_host.c_host, 6) == 0)
1183 q = work.x_host.c_host;
1184 (void) sprintf(chost, "%02X%02X%02X%02X%02X%02XH",
1185 q[0], q[1], q[2], q[3], q[4], q[5]);
1186 for (p = chost; *p == '0' && p < chost + 12; p++)
1191 (void) sprintf(cport, ".%XH", htons(port));
1195 (void) snprintf(mybuf, sizeof(mybuf), "%lxH.%s%s",
1196 (unsigned long)ntohl(net.long_e),
1207 char *buf, *lim, *next;
1208 register struct rt_msghdr *rtm;
1212 mib[2] = 0; /* protocol */
1213 mib[3] = 0; /* wildcard address family */
1214 mib[4] = NET_RT_IFLIST;
1215 mib[5] = 0; /* no flags */
1216 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
1217 err(EX_OSERR, "route-sysctl-estimate");
1218 if ((buf = malloc(needed)) == NULL)
1219 errx(EX_OSERR, "malloc failed");
1220 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0)
1221 err(EX_OSERR, "actual retrieval of interface table");
1223 for (next = buf; next < lim; next += rtm->rtm_msglen) {
1224 rtm = (struct rt_msghdr *)next;
1225 print_rtmsg(rtm, rtm->rtm_msglen);
1242 n = read(s, msg, 2048);
1244 (void) printf("\ngot message of size %d on %s", n, ctime(&now));
1245 print_rtmsg((struct rt_msghdr *)msg, n);
1250 struct rt_msghdr m_rtm;
1260 register char *cp = m_rtmsg.m_space;
1263 #define NEXTADDR(w, u) \
1264 if (rtm_addrs & (w)) {\
1265 l = ROUNDUP(u.sa.sa_len); memmove(cp, &(u), l); cp += l;\
1266 if (verbose) sodump(&(u),"u");\
1270 memset(&m_rtmsg, 0, sizeof(m_rtmsg));
1273 else if (cmd == 'c')
1275 else if (cmd == 'g') {
1277 if (so_ifp.sa.sa_family == 0) {
1278 so_ifp.sa.sa_family = AF_LINK;
1279 so_ifp.sa.sa_len = sizeof(struct sockaddr_dl);
1280 rtm_addrs |= RTA_IFP;
1284 #define rtm m_rtmsg.m_rtm
1286 rtm.rtm_flags = flags;
1287 rtm.rtm_version = RTM_VERSION;
1288 rtm.rtm_seq = ++seq;
1289 rtm.rtm_addrs = rtm_addrs;
1290 rtm.rtm_rmx = rt_metrics;
1291 rtm.rtm_inits = rtm_inits;
1293 if (rtm_addrs & RTA_NETMASK)
1295 NEXTADDR(RTA_DST, so_dst);
1296 NEXTADDR(RTA_GATEWAY, so_gate);
1297 NEXTADDR(RTA_NETMASK, so_mask);
1298 NEXTADDR(RTA_GENMASK, so_genmask);
1299 NEXTADDR(RTA_IFP, so_ifp);
1300 NEXTADDR(RTA_IFA, so_ifa);
1301 rtm.rtm_msglen = l = cp - (char *)&m_rtmsg;
1303 print_rtmsg(&rtm, l);
1306 if ((rlen = write(s, (char *)&m_rtmsg, l)) < 0) {
1307 warn("writing to routing socket");
1310 if (cmd == RTM_GET) {
1312 l = read(s, (char *)&m_rtmsg, sizeof(m_rtmsg));
1313 } while (l > 0 && (rtm.rtm_seq != seq || rtm.rtm_pid != pid));
1315 warn("read from routing socket");
1317 print_getmsg(&rtm, l);
1326 int olen = so_mask.sa.sa_len;
1327 register char *cp1 = olen + (char *)&so_mask, *cp2;
1329 for (so_mask.sa.sa_len = 0; cp1 > (char *)&so_mask; )
1331 so_mask.sa.sa_len = 1 + cp1 - (char *)&so_mask;
1334 if ((rtm_addrs & RTA_DST) == 0)
1336 switch (so_dst.sa.sa_family) {
1348 cp1 = so_mask.sa.sa_len + 1 + (char *)&so_dst;
1349 cp2 = so_dst.sa.sa_len + 1 + (char *)&so_dst;
1352 cp2 = so_mask.sa.sa_len + 1 + (char *)&so_mask;
1353 while (cp1 > so_dst.sa.sa_data)
1357 char *msgtypes[] = {
1359 "RTM_ADD: Add Route",
1360 "RTM_DELETE: Delete Route",
1361 "RTM_CHANGE: Change Metrics or flags",
1362 "RTM_GET: Report Metrics",
1363 "RTM_LOSING: Kernel Suspects Partitioning",
1364 "RTM_REDIRECT: Told to use different route",
1365 "RTM_MISS: Lookup failed on this address",
1366 "RTM_LOCK: fix specified metrics",
1367 "RTM_OLDADD: caused by SIOCADDRT",
1368 "RTM_OLDDEL: caused by SIOCDELRT",
1369 "RTM_RESOLVE: Route created by cloning",
1370 "RTM_NEWADDR: address being added to iface",
1371 "RTM_DELADDR: address being removed from iface",
1372 "RTM_IFINFO: iface status change",
1373 "RTM_NEWMADDR: new multicast group membership on iface",
1374 "RTM_DELMADDR: multicast group membership removed from iface",
1375 "RTM_IFANNOUNCE: interface arrival/departure",
1379 char metricnames[] =
1380 "\011pksent\010rttvar\7rtt\6ssthresh\5sendpipe\4recvpipe\3expire\2hopcount"
1383 "\1UP\2GATEWAY\3HOST\4REJECT\5DYNAMIC\6MODIFIED\7DONE\010MASK_PRESENT"
1384 "\011CLONING\012XRESOLVE\013LLINFO\014STATIC\015BLACKHOLE\016b016"
1385 "\017PROTO2\020PROTO1\021PRCLONING\022WASCLONED\023PROTO3\024CHAINDELETE"
1386 "\025PINNED\026LOCAL\027BROADCAST\030MULTICAST";
1388 "\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5PTP\6b6\7RUNNING\010NOARP"
1389 "\011PPROMISC\012ALLMULTI\013OACTIVE\014SIMPLEX\015LINK0\016LINK1"
1390 "\017LINK2\020MULTICAST";
1392 "\1DST\2GATEWAY\3NETMASK\4GENMASK\5IFP\6IFA\7AUTHOR\010BRD";
1395 print_rtmsg(rtm, msglen)
1396 register struct rt_msghdr *rtm;
1399 struct if_msghdr *ifm;
1400 struct ifa_msghdr *ifam;
1402 struct ifma_msghdr *ifmam;
1404 struct if_announcemsghdr *ifan;
1408 if (rtm->rtm_version != RTM_VERSION) {
1409 (void) printf("routing message version %d not understood\n",
1413 if (msgtypes[rtm->rtm_type] != NULL)
1414 (void)printf("%s: ", msgtypes[rtm->rtm_type]);
1416 (void)printf("#%d: ", rtm->rtm_type);
1417 (void)printf("len %d, ", rtm->rtm_msglen);
1418 switch (rtm->rtm_type) {
1420 ifm = (struct if_msghdr *)rtm;
1421 (void) printf("if# %d, flags:", ifm->ifm_index);
1422 bprintf(stdout, ifm->ifm_flags, ifnetflags);
1423 pmsg_addrs((char *)(ifm + 1), ifm->ifm_addrs);
1427 ifam = (struct ifa_msghdr *)rtm;
1428 (void) printf("metric %d, flags:", ifam->ifam_metric);
1429 bprintf(stdout, ifam->ifam_flags, routeflags);
1430 pmsg_addrs((char *)(ifam + 1), ifam->ifam_addrs);
1435 ifmam = (struct ifma_msghdr *)rtm;
1436 pmsg_addrs((char *)(ifmam + 1), ifmam->ifmam_addrs);
1439 case RTM_IFANNOUNCE:
1440 ifan = (struct if_announcemsghdr *)rtm;
1441 (void) printf("if# %d, what: ", ifan->ifan_index);
1442 switch (ifan->ifan_what) {
1446 case IFAN_DEPARTURE:
1447 printf("departure");
1450 printf("#%d", ifan->ifan_what);
1457 (void) printf("pid: %ld, seq %d, errno %d, flags:",
1458 (long)rtm->rtm_pid, rtm->rtm_seq, rtm->rtm_errno);
1459 bprintf(stdout, rtm->rtm_flags, routeflags);
1465 print_getmsg(rtm, msglen)
1466 register struct rt_msghdr *rtm;
1469 struct sockaddr *dst = NULL, *gate = NULL, *mask = NULL;
1470 struct sockaddr_dl *ifp = NULL;
1471 register struct sockaddr *sa;
1475 (void) printf(" route to: %s\n", routename(&so_dst));
1476 if (rtm->rtm_version != RTM_VERSION) {
1477 warnx("routing message version %d not understood",
1481 if (rtm->rtm_msglen > msglen) {
1482 warnx("message length mismatch, in packet %d, returned %d",
1483 rtm->rtm_msglen, msglen);
1485 if (rtm->rtm_errno) {
1486 errno = rtm->rtm_errno;
1487 warn("message indicates error %d", errno);
1490 cp = ((char *)(rtm + 1));
1492 for (i = 1; i; i <<= 1)
1493 if (i & rtm->rtm_addrs) {
1494 sa = (struct sockaddr *)cp;
1506 if (sa->sa_family == AF_LINK &&
1507 ((struct sockaddr_dl *)sa)->sdl_nlen)
1508 ifp = (struct sockaddr_dl *)sa;
1514 mask->sa_family = dst->sa_family; /* XXX */
1516 (void)printf("destination: %s\n", routename(dst));
1518 int savenflag = nflag;
1521 (void)printf(" mask: %s\n", routename(mask));
1524 if (gate && rtm->rtm_flags & RTF_GATEWAY)
1525 (void)printf(" gateway: %s\n", routename(gate));
1527 (void)printf(" interface: %.*s\n",
1528 ifp->sdl_nlen, ifp->sdl_data);
1529 (void)printf(" flags: ");
1530 bprintf(stdout, rtm->rtm_flags, routeflags);
1532 #define lock(f) ((rtm->rtm_rmx.rmx_locks & __CONCAT(RTV_,f)) ? 'L' : ' ')
1533 #define msec(u) (((u) + 500) / 1000) /* usec to msec */
1535 (void) printf("\n%s\n", "\
1536 recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire");
1537 printf("%8ld%c ", rtm->rtm_rmx.rmx_recvpipe, lock(RPIPE));
1538 printf("%8ld%c ", rtm->rtm_rmx.rmx_sendpipe, lock(SPIPE));
1539 printf("%8ld%c ", rtm->rtm_rmx.rmx_ssthresh, lock(SSTHRESH));
1540 printf("%8ld%c ", msec(rtm->rtm_rmx.rmx_rtt), lock(RTT));
1541 printf("%8ld%c ", msec(rtm->rtm_rmx.rmx_rttvar), lock(RTTVAR));
1542 printf("%8ld%c ", rtm->rtm_rmx.rmx_hopcount, lock(HOPCOUNT));
1543 printf("%8ld%c ", rtm->rtm_rmx.rmx_mtu, lock(MTU));
1544 if (rtm->rtm_rmx.rmx_expire)
1545 rtm->rtm_rmx.rmx_expire -= time(0);
1546 printf("%8ld%c\n", rtm->rtm_rmx.rmx_expire, lock(EXPIRE));
1549 #define RTA_IGN (RTA_DST|RTA_GATEWAY|RTA_NETMASK|RTA_IFP|RTA_IFA|RTA_BRD)
1552 else if (rtm->rtm_addrs &~ RTA_IGN) {
1553 (void) printf("sockaddrs: ");
1554 bprintf(stdout, rtm->rtm_addrs, addrnames);
1562 register struct rt_msghdr *rtm;
1564 (void) printf("\nlocks: ");
1565 bprintf(stdout, rtm->rtm_rmx.rmx_locks, metricnames);
1566 (void) printf(" inits: ");
1567 bprintf(stdout, rtm->rtm_inits, metricnames);
1568 pmsg_addrs(((char *)(rtm + 1)), rtm->rtm_addrs);
1572 pmsg_addrs(cp, addrs)
1576 register struct sockaddr *sa;
1580 (void) putchar('\n');
1583 (void) printf("\nsockaddrs: ");
1584 bprintf(stdout, addrs, addrnames);
1585 (void) putchar('\n');
1586 for (i = 1; i; i <<= 1)
1588 sa = (struct sockaddr *)cp;
1589 (void) printf(" %s", routename(sa));
1592 (void) putchar('\n');
1593 (void) fflush(stdout);
1607 while ((i = *s++) != 0) {
1608 if (b & (1 << (i-1))) {
1615 for (; (i = *s) > 32; s++)
1622 (void) putc('>', fp);
1629 register struct keytab *kt = keywords;
1631 while (kt->kt_cp && strcmp(kt->kt_cp, cp))
1641 switch (su->sa.sa_family) {
1643 (void) printf("%s: link %s; ",
1644 which, link_ntoa(&su->sdl));
1647 (void) printf("%s: inet %s; ",
1648 which, inet_ntoa(su->sin.sin_addr));
1651 (void) printf("%s: atalk %s; ",
1652 which, atalk_ntoa(su->sat.sat_addr));
1656 (void) printf("%s: xns %s; ",
1657 which, ns_ntoa(su->sns.sns_addr));
1661 (void) fflush(stdout);
1675 register char *addr;
1676 register struct sockaddr *sa;
1678 register char *cp = (char *)sa;
1679 int size = sa->sa_len;
1680 char *cplim = cp + size;
1681 register int byte = 0, state = VIRGIN, new = 0 /* foil gcc */;
1683 memset(cp, 0, size);
1686 if ((*addr >= '0') && (*addr <= '9')) {
1688 } else if ((*addr >= 'a') && (*addr <= 'f')) {
1689 new = *addr - 'a' + 10;
1690 } else if ((*addr >= 'A') && (*addr <= 'F')) {
1691 new = *addr - 'A' + 10;
1692 } else if (*addr == 0)
1697 switch (state /* | INPUT */) {
1698 case GOTTWO | DIGIT:
1699 *cp++ = byte; /*FALLTHROUGH*/
1700 case VIRGIN | DIGIT:
1701 state = GOTONE; byte = new; continue;
1702 case GOTONE | DIGIT:
1703 state = GOTTWO; byte = new + (byte << 4); continue;
1704 default: /* | DELIM */
1705 state = VIRGIN; *cp++ = byte; byte = 0; continue;
1708 *cp++ = byte; /* FALLTHROUGH */
1713 } while (cp < cplim);
1714 sa->sa_len = cp - (char *)sa;
1718 atalk_aton(const char *text, struct at_addr *addr)
1722 if (sscanf(text, "%u.%u", &net, &node) != 2
1723 || net > 0xffff || node > 0xff)
1725 addr->s_net = htons(net);
1726 addr->s_node = node;
1731 atalk_ntoa(struct at_addr at)
1733 static char buf[20];
1735 (void) snprintf(buf, sizeof(buf), "%u.%u", ntohs(at.s_net), at.s_node);