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
34 #include "pathnames.h"
36 #include <sys/signal.h>
41 #elif defined(__FreeBSD__)
44 __RCSID("$Revision: 2.27 $");
45 #ident "$Revision: 2.27 $"
50 /* use *stat64 for files on large file systems */
54 #define NRECORDS 50 /* size of circular trace buffer */
56 int tracelevel, new_tracelevel;
57 FILE *ftrace; /* output trace file */
58 static const char *sigtrace_pat = "%s";
59 static char savetracename[PATH_MAX];
60 char inittracename[PATH_MAX];
61 int file_trace; /* 1=tracing to file, not stdout */
63 static void trace_dump(void);
64 static void tmsg(const char *, ...) PATTRIB(1,2);
67 /* convert string to printable characters
70 qstring(u_char *s, int len)
72 static char buf[8*20+1];
77 for (p = buf; len != 0 && p < &buf[sizeof(buf)-1]; len--) {
80 for (s2 = s+1; s2 < &s[len]; s2++) {
88 if (c >= ' ' && c < 0x7f && c != '\\') {
110 p += sprintf(p,"%o",c);
120 /* convert IP address to a string, but not into a single buffer
128 char str[16]; /* xxx.xxx.xxx.xxx\0 */
134 s = strcpy(bufs[bufno].str, inet_ntoa(addr));
135 bufno = (bufno+1) % NUM_BUFS;
142 saddr_ntoa(struct sockaddr *sa)
144 return (sa == 0) ? "?" : naddr_ntoa(S_ADDR(sa));
152 secs += epoch.tv_sec;
154 (void)cftime(s, "%T", &secs);
156 memcpy(s, ctime(&secs)+11, 8);
163 /* On each event, display a time stamp.
164 * This assumes that 'now' is update once for each event, and
165 * that at least now.tv_usec changes.
167 static struct timeval lastlog_time;
172 if (lastlog_time.tv_sec != now.tv_sec
173 || lastlog_time.tv_usec != now.tv_usec) {
174 (void)fprintf(ftrace, "-- %s --\n", ts(now.tv_sec));
181 tmsg(const char *p, ...)
188 vfprintf(ftrace, p, args);
190 (void)fputc('\n',ftrace);
197 trace_close(int zap_stdio)
205 if (ftrace != 0 && zap_stdio) {
206 if (ftrace != stdout)
209 fd = open(_PATH_DEVNULL, O_RDWR);
210 if (isatty(STDIN_FILENO))
211 (void)dup2(fd, STDIN_FILENO);
212 if (isatty(STDOUT_FILENO))
213 (void)dup2(fd, STDOUT_FILENO);
214 if (isatty(STDERR_FILENO))
215 (void)dup2(fd, STDERR_FILENO);
218 lastlog_time.tv_sec = 0;
228 trace_off("tracing off: %s", strerror(ferror(ftrace)));
234 trace_off(const char *p, ...)
242 vfprintf(ftrace, p, args);
244 (void)fputc('\n',ftrace);
246 trace_close(file_trace);
248 new_tracelevel = tracelevel = 0;
252 /* log a change in tracing
255 tracelevel_msg(const char *pat,
256 int dump) /* -1=no dump, 0=default, 1=force */
258 static const char *off_msgs[MAX_TRACELEVEL] = {
259 "Tracing actions stopped",
260 "Tracing packets stopped",
261 "Tracing packet contents stopped",
262 "Tracing kernel changes stopped",
264 static const char *on_msgs[MAX_TRACELEVEL] = {
265 "Tracing actions started",
266 "Tracing packets started",
267 "Tracing packet contents started",
268 "Tracing kernel changes started",
270 u_int old_tracelevel = tracelevel;
273 if (new_tracelevel < 0)
275 else if (new_tracelevel > MAX_TRACELEVEL)
276 new_tracelevel = MAX_TRACELEVEL;
278 if (new_tracelevel < tracelevel) {
279 if (new_tracelevel <= 0) {
280 trace_off(pat, off_msgs[0]);
282 tmsg(pat, off_msgs[tracelevel]);
284 while (--tracelevel != new_tracelevel);
286 } else if (new_tracelevel > tracelevel) {
288 tmsg(pat, on_msgs[tracelevel++]);
289 } while (tracelevel != new_tracelevel);
293 || (dump == 0 && old_tracelevel == 0 && tracelevel != 0))
299 set_tracefile(const char *filename,
301 int dump) /* -1=no dump, 0=default, 1=force */
308 /* Allow a null filename to increase the level if the trace file
309 * is already open or if coming from a trusted source, such as
310 * a signal or the command line.
312 if (filename == 0 || filename[0] == '\0') {
315 if (inittracename[0] == '\0') {
316 msglog("missing trace file name");
324 } else if (!strcmp(filename,"dump/../table")) {
329 /* Allow the file specified with "-T file" to be reopened,
330 * but require all other names specified over the net to
331 * match the official path. The path can specify a directory
332 * in which the file is to be created.
334 if (strcmp(filename, inittracename)
336 && (strncmp(filename, _PATH_TRACE, sizeof(_PATH_TRACE)-1)
337 || strstr(filename,"../")
338 || 0 > stat(_PATH_TRACE, &stbuf))
341 msglog("wrong trace file \"%s\"", filename);
345 /* If the new tracefile exists, it must be a regular file.
347 if (stat(filename, &stbuf) >= 0 && !S_ISREG(stbuf.st_mode)) {
348 msglog("wrong type (%#x) of trace file \"%s\"",
349 stbuf.st_mode, filename);
357 n_ftrace = fopen(fn, "a");
359 msglog("failed to open trace file \"%s\" %s",
360 fn, strerror(errno));
361 if (fn == inittracename)
362 inittracename[0] = '\0';
366 tmsg("switch to trace file %s", fn);
368 trace_close(file_trace = 1);
370 if (fn != savetracename)
371 strncpy(savetracename, fn, sizeof(savetracename)-1);
376 dup2(fileno(ftrace), STDOUT_FILENO);
377 dup2(fileno(ftrace), STDERR_FILENO);
380 if (new_tracelevel == 0 || filename == 0)
382 tracelevel_msg(pat, dump != 0 ? dump : (filename != 0));
388 sigtrace_on(int s UNUSED)
391 sigtrace_pat = "SIGUSR1: %s";
397 sigtrace_off(int s UNUSED)
400 sigtrace_pat = "SIGUSR2: %s";
404 /* Set tracing after a signal.
409 if (new_tracelevel == tracelevel)
412 /* If tracing entirely off, and there was no tracefile specified
413 * on the command line, then leave it off.
415 if (new_tracelevel > tracelevel && ftrace == 0) {
416 if (savetracename[0] != '\0') {
417 set_tracefile(savetracename,sigtrace_pat,0);
418 } else if (inittracename[0] != '\0') {
419 set_tracefile(inittracename,sigtrace_pat,0);
425 tracelevel_msg(sigtrace_pat, 0);
430 /* display an address
433 addrname(naddr addr, /* in network byte order */
435 int force) /* 0=show mask if nonstandard, */
436 { /* 1=always show mask, 2=never */
446 s = strcpy(bufs[bufno].str, naddr_ntoa(addr));
447 bufno = (bufno+1) % NUM_BUFS;
449 if (force == 1 || (force == 0 && mask != std_mask(addr))) {
452 dmask = mask & -mask;
453 if (mask + dmask == 0) {
454 for (i = 0; i != 32 && ((1<<i) & mask) == 0; i++)
456 (void)sprintf(sp, "/%d", 32-i);
459 (void)sprintf(sp, " (mask %#x)", (u_int)mask);
468 /* display a bit-field
473 const char *bits_name;
476 static struct bits if_bits[] = {
477 { IFF_LOOPBACK, 0, "LOOPBACK" },
478 { IFF_POINTOPOINT, 0, "PT-TO-PT" },
482 static struct bits is_bits[] = {
483 { IS_ALIAS, 0, "ALIAS" },
484 { IS_SUBNET, 0, "" },
485 { IS_REMOTE, (IS_NO_RDISC
486 | IS_BCAST_RDISC), "REMOTE" },
487 { IS_PASSIVE, (IS_NO_RDISC
491 | IS_NO_AG), "PASSIVE" },
492 { IS_EXTERNAL, 0, "EXTERNAL" },
493 { IS_CHECKED, 0, "" },
494 { IS_ALL_HOSTS, 0, "" },
495 { IS_ALL_ROUTERS, 0, "" },
496 { IS_DISTRUST, 0, "DISTRUST" },
497 { IS_BROKE, IS_SICK, "BROKEN" },
498 { IS_SICK, 0, "SICK" },
499 { IS_DUP, 0, "DUPLICATE" },
500 { IS_REDIRECT_OK, 0, "REDIRECT_OK" },
501 { IS_NEED_NET_SYN, 0, "" },
502 { IS_NO_AG, IS_NO_SUPER_AG, "NO_AG" },
503 { IS_NO_SUPER_AG, 0, "NO_SUPER_AG" },
507 | IS_NO_RIPV2_OUT), 0, "NO_RIP" },
509 | IS_NO_RIPV1_OUT), 0, "RIPV2" },
510 { IS_NO_RIPV1_IN, 0, "NO_RIPV1_IN" },
511 { IS_NO_RIPV2_IN, 0, "NO_RIPV2_IN" },
512 { IS_NO_RIPV1_OUT, 0, "NO_RIPV1_OUT" },
513 { IS_NO_RIPV2_OUT, 0, "NO_RIPV2_OUT" },
516 | IS_NO_ADV_OUT), IS_BCAST_RDISC, "NO_RDISC" },
517 { IS_NO_SOL_OUT, 0, "NO_SOLICIT" },
518 { IS_SOL_OUT, 0, "SEND_SOLICIT" },
519 { IS_NO_ADV_OUT, IS_BCAST_RDISC, "NO_RDISC_ADV" },
520 { IS_ADV_OUT, 0, "RDISC_ADV" },
521 { IS_BCAST_RDISC, 0, "BCAST_RDISC" },
522 { IS_PM_RDISC, 0, "" },
526 static struct bits rs_bits[] = {
528 { RS_NET_INT, RS_NET_SYN, "NET_INT" },
529 { RS_NET_SYN, 0, "NET_SYN" },
530 { RS_SUBNET, 0, "" },
531 { RS_LOCAL, 0, "LOCAL" },
532 { RS_MHOME, 0, "MHOME" },
533 { RS_STATIC, 0, "STATIC" },
534 { RS_RDISC, 0, "RDISC" },
540 trace_bits(const struct bits *tbl,
548 (void)putc('<', ftrace);
555 && (b = tbl->bits_mask) != 0) {
556 if ((b & field) == b) {
557 if (tbl->bits_name[0] != '\0') {
559 (void)putc(c, ftrace);
560 (void)fprintf(ftrace, "%s", tbl->bits_name);
563 if (0 == (field &= ~(b | tbl->bits_clear)))
568 if (field != 0 && tbl->bits_name != 0) {
570 (void)putc(c, ftrace);
571 (void)fprintf(ftrace, tbl->bits_name, field);
575 if (c != '<' || force)
576 (void)fputs("> ", ftrace);
585 static char buf[3*4+3+1+2+3 /* "xxx.xxx.xxx.xxx/xx-->" */
586 +3*4+3+1]; /* "xxx.xxx.xxx.xxx" */
589 i = sprintf(buf, "%-16s-->", addrname(dst, mask, 0));
590 (void)sprintf(&buf[i], "%-*s", 15+20-MAX(20,i), naddr_ntoa(gate));
596 print_rts(struct rt_spare *rts,
597 int force_metric, /* -1=suppress, 0=default */
598 int force_ifp, /* -1=suppress, 0=default */
599 int force_router, /* -1=suppress, 0=default, 1=display */
600 int force_tag, /* -1=suppress, 0=default, 1=display */
601 int force_time) /* 0=suppress, 1=display */
606 if (force_metric >= 0)
607 (void)fprintf(ftrace, "metric=%-2d ", rts->rts_metric);
609 (void)fprintf(ftrace, "%s ", (rts->rts_ifp == 0 ?
610 "if?" : rts->rts_ifp->int_name));
612 || (force_router == 0 && rts->rts_router != rts->rts_gate))
613 (void)fprintf(ftrace, "router=%s ",
614 naddr_ntoa(rts->rts_router));
616 (void)fprintf(ftrace, "%s ", ts(rts->rts_time));
618 || (force_tag == 0 && rts->rts_tag != 0))
619 (void)fprintf(ftrace, "tag=%#x ", ntohs(rts->rts_tag));
620 if (rts->rts_de_ag != 0) {
621 for (i = 1; (u_int)(1 << i) <= rts->rts_de_ag; i++)
623 (void)fprintf(ftrace, "de_ag=%d ", i);
630 trace_if(const char *act,
631 struct interface *ifp)
633 if (!TRACEACTIONS || ftrace == 0)
637 (void)fprintf(ftrace, "%-3s interface %-4s ", act, ifp->int_name);
638 (void)fprintf(ftrace, "%-15s-->%-15s ",
639 naddr_ntoa(ifp->int_addr),
640 addrname(((ifp->int_if_flags & IFF_POINTOPOINT)
642 : htonl(ifp->int_net)),
644 if (ifp->int_metric != 0)
645 (void)fprintf(ftrace, "metric=%d ", ifp->int_metric);
646 if (ifp->int_adj_inmetric != 0)
647 (void)fprintf(ftrace, "adj_inmetric=%u ",
648 ifp->int_adj_inmetric);
649 if (ifp->int_adj_outmetric != 0)
650 (void)fprintf(ftrace, "adj_outmetric=%u ",
651 ifp->int_adj_outmetric);
652 if (!IS_RIP_OUT_OFF(ifp->int_state)
653 && ifp->int_d_metric != 0)
654 (void)fprintf(ftrace, "fake_default=%u ", ifp->int_d_metric);
655 trace_bits(if_bits, ifp->int_if_flags, 0);
656 trace_bits(is_bits, ifp->int_state, 0);
657 (void)fputc('\n',ftrace);
662 trace_upslot(struct rt_entry *rt,
663 struct rt_spare *rts,
664 struct rt_spare *new)
666 if (!TRACEACTIONS || ftrace == 0)
669 if (rts->rts_gate == new->rts_gate
670 && rts->rts_router == new->rts_router
671 && rts->rts_metric == new->rts_metric
672 && rts->rts_tag == new->rts_tag
673 && rts->rts_de_ag == new->rts_de_ag)
677 if (new->rts_gate == 0) {
678 (void)fprintf(ftrace, "Del #%d %-35s ",
679 (int)(rts - rt->rt_spares),
680 rtname(rt->rt_dst, rt->rt_mask, rts->rts_gate));
681 print_rts(rts, 0,0,0,0,
682 (rts != rt->rt_spares
683 || AGE_RT(rt->rt_state,new->rts_ifp)));
685 } else if (rts->rts_gate != RIP_DEFAULT) {
686 (void)fprintf(ftrace, "Chg #%d %-35s ",
687 (int)(rts - rt->rt_spares),
688 rtname(rt->rt_dst, rt->rt_mask, rts->rts_gate));
690 rts->rts_gate != new->rts_gate,
691 rts->rts_tag != new->rts_tag,
692 rts != rt->rt_spares || AGE_RT(rt->rt_state,
695 (void)fprintf(ftrace, "\n %19s%-16s ", "",
696 (new->rts_gate != rts->rts_gate
697 ? naddr_ntoa(new->rts_gate) : ""));
699 -(new->rts_metric == rts->rts_metric),
700 -(new->rts_ifp == rts->rts_ifp),
702 rts->rts_tag != new->rts_tag,
703 (new->rts_time != rts->rts_time
704 && (rts != rt->rt_spares
705 || AGE_RT(rt->rt_state, new->rts_ifp))));
708 (void)fprintf(ftrace, "Add #%d %-35s ",
709 (int)(rts - rt->rt_spares),
710 rtname(rt->rt_dst, rt->rt_mask, new->rts_gate));
711 print_rts(new, 0,0,0,0,
712 (rts != rt->rt_spares
713 || AGE_RT(rt->rt_state,new->rts_ifp)));
715 (void)fputc('\n',ftrace);
719 /* miscellaneous message checked by the caller
722 trace_misc(const char *p, ...)
731 vfprintf(ftrace, p, args);
733 (void)fputc('\n',ftrace);
737 /* display a message if tracing actions
740 trace_act(const char *p, ...)
744 if (!TRACEACTIONS || ftrace == 0)
749 vfprintf(ftrace, p, args);
751 (void)fputc('\n',ftrace);
755 /* display a message if tracing packets
758 trace_pkt(const char *p, ...)
762 if (!TRACEPACKETS || ftrace == 0)
767 vfprintf(ftrace, p, args);
769 (void)fputc('\n',ftrace);
774 trace_change(struct rt_entry *rt,
776 struct rt_spare *new,
782 if (rt->rt_metric == new->rts_metric
783 && rt->rt_gate == new->rts_gate
784 && rt->rt_router == new->rts_router
785 && rt->rt_state == state
786 && rt->rt_tag == new->rts_tag
787 && rt->rt_de_ag == new->rts_de_ag)
791 (void)fprintf(ftrace, "%s %-35s ",
793 rtname(rt->rt_dst, rt->rt_mask, rt->rt_gate));
794 print_rts(rt->rt_spares,
795 0,0,0,0, AGE_RT(rt->rt_state, rt->rt_ifp));
796 trace_bits(rs_bits, rt->rt_state, rt->rt_state != state);
798 (void)fprintf(ftrace, "\n%*s %19s%-16s ",
799 (int)strlen(label), "", "",
800 (rt->rt_gate != new->rts_gate
801 ? naddr_ntoa(new->rts_gate) : ""));
803 -(new->rts_metric == rt->rt_metric),
804 -(new->rts_ifp == rt->rt_ifp),
806 rt->rt_tag != new->rts_tag,
807 (rt->rt_time != new->rts_time
808 && AGE_RT(rt->rt_state,new->rts_ifp)));
809 if (rt->rt_state != state)
810 trace_bits(rs_bits, state, 1);
811 (void)fputc('\n',ftrace);
816 trace_add_del(const char * action, struct rt_entry *rt)
822 (void)fprintf(ftrace, "%s %-35s ",
824 rtname(rt->rt_dst, rt->rt_mask, rt->rt_gate));
825 print_rts(rt->rt_spares, 0,0,0,0,AGE_RT(rt->rt_state,rt->rt_ifp));
826 trace_bits(rs_bits, rt->rt_state, 0);
827 (void)fputc('\n',ftrace);
833 walk_trace(struct radix_node *rn,
834 struct walkarg *w UNUSED)
836 #define RT ((struct rt_entry *)rn)
837 struct rt_spare *rts;
840 (void)fprintf(ftrace, " %-35s ",
841 rtname(RT->rt_dst, RT->rt_mask, RT->rt_gate));
842 print_rts(&RT->rt_spares[0], 0,0,0,0, AGE_RT(RT->rt_state, RT->rt_ifp));
843 trace_bits(rs_bits, RT->rt_state, 0);
844 if (RT->rt_poison_time >= now_garbage
845 && RT->rt_poison_metric < RT->rt_metric)
846 (void)fprintf(ftrace, "pm=%d@%s",
847 RT->rt_poison_metric, ts(RT->rt_poison_time));
849 rts = &RT->rt_spares[1];
850 for (i = 1; i < NUM_SPARES; i++, rts++) {
851 if (rts->rts_gate != RIP_DEFAULT) {
852 (void)fprintf(ftrace,"\n #%d%15s%-16s ",
853 i, "", naddr_ntoa(rts->rts_gate));
854 print_rts(rts, 0,0,0,0,1);
857 (void)fputc('\n',ftrace);
866 struct interface *ifp;
872 (void)fputs("current daemon state:\n", ftrace);
873 for (ifp = ifnet; ifp != 0; ifp = ifp->int_next)
875 (void)rn_walktree(rhead, walk_trace, 0);
880 trace_rip(const char *dir1, const char *dir2,
881 struct sockaddr_in *who,
882 struct interface *ifp,
884 int size) /* total size of message */
886 struct netinfo *n, *lim;
887 # define NA ((struct netauth*)n)
890 if (!TRACEPACKETS || ftrace == 0)
894 if (msg->rip_cmd >= RIPCMD_MAX
895 || msg->rip_vers == 0) {
896 (void)fprintf(ftrace, "%s bad RIPv%d cmd=%d %s"
898 dir1, msg->rip_vers, msg->rip_cmd, dir2,
899 naddr_ntoa(who->sin_addr.s_addr),
900 ntohs(who->sin_port),
905 (void)fprintf(ftrace, "%s RIPv%d %s %s %s.%d%s%s\n",
906 dir1, msg->rip_vers, ripcmds[msg->rip_cmd], dir2,
907 naddr_ntoa(who->sin_addr.s_addr), ntohs(who->sin_port),
908 ifp ? " via " : "", ifp ? ifp->int_name : "");
913 switch (msg->rip_cmd) {
915 case RIPCMD_RESPONSE:
917 lim = (struct netinfo *)((char*)msg + size);
918 for (; n < lim; n++) {
920 && n->n_family == RIP_AF_UNSPEC
921 && ntohl(n->n_metric) == HOPCNT_INFINITY
922 && msg->rip_cmd == RIPCMD_REQUEST
925 && (n+1)->n_family == RIP_AF_AUTH))) {
926 (void)fputs("\tQUERY ", ftrace);
928 (void)fprintf(ftrace, "%s ",
929 naddr_ntoa(n->n_dst));
931 (void)fprintf(ftrace, "mask=%#x ",
932 (u_int)ntohl(n->n_mask));
934 (void)fprintf(ftrace, "nhop=%s ",
935 naddr_ntoa(n->n_nhop));
937 (void)fprintf(ftrace, "tag=%#x ",
939 (void)fputc('\n',ftrace);
943 if (n->n_family == RIP_AF_AUTH) {
944 if (NA->a_type == RIP_AUTH_PW
945 && n == msg->rip_nets) {
946 (void)fprintf(ftrace, "\tPassword"
949 qstring(NA->au.au_pw,
954 if (NA->a_type == RIP_AUTH_MD5
955 && n == msg->rip_nets) {
956 (void)fprintf(ftrace,
958 " pkt_len=%d KeyID=%u"
962 ntohs(NA->au.a_md5.md5_pkt_len),
963 NA->au.a_md5.md5_keyid,
964 NA->au.a_md5.md5_auth_len,
965 (int)ntohl(NA->au.a_md5.md5_seqno),
966 (int)ntohs(NA->au.a_md5.rsvd[0]),
967 (int)ntohs(NA->au.a_md5.rsvd[1]));
970 (void)fprintf(ftrace,
971 "\tAuthentication type %d: ",
974 i < (int)sizeof(NA->au.au_pw);
976 (void)fprintf(ftrace, "%02x ",
978 (void)fputc('\n',ftrace);
983 if (n->n_family != RIP_AF_INET) {
984 (void)fprintf(ftrace,
985 "\t(af %d) %-18s mask=%#x ",
987 naddr_ntoa(n->n_dst),
988 (u_int)ntohl(n->n_mask));
989 } else if (msg->rip_vers == RIPv1) {
990 (void)fprintf(ftrace, "\t%-18s ",
993 n->n_mask==0 ? 2 : 1));
995 (void)fprintf(ftrace, "\t%-18s ",
998 n->n_mask==0 ? 2 : 0));
1000 (void)fprintf(ftrace, "metric=%-2d ",
1001 (u_int)ntohl(n->n_metric));
1003 (void)fprintf(ftrace, " nhop=%s ",
1004 naddr_ntoa(n->n_nhop));
1006 (void)fprintf(ftrace, "tag=%#x",
1008 (void)fputc('\n',ftrace);
1010 if (size != (char *)n - (char *)msg)
1011 (void)fprintf(ftrace, "truncated record, len %d\n",
1015 case RIPCMD_TRACEON:
1016 fprintf(ftrace, "\tfile=\"%.*s\"\n", size-4,
1017 msg->rip_tracefile);
1020 case RIPCMD_TRACEOFF: