1 /*-
2 * Copyright (c) 1983, 1988, 1993, 1995
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
16 *
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
27 * SUCH DAMAGE.
28 */
29
30 #if 0
31 #ifndef lint
32 static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95";
33 #endif /* not lint */
34 #endif
35
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
38
39 #include <sys/param.h>
40 #include <sys/queue.h>
41 #include <sys/domain.h>
42 #include <sys/protosw.h>
43 #include <sys/socket.h>
44 #define _WANT_SOCKET
45 #include <sys/socketvar.h>
46 #include <sys/sysctl.h>
47
48 #include <net/route.h>
49 #include <net/if_arp.h>
50 #include <netinet/in.h>
51 #include <netinet/in_systm.h>
52 #include <netinet/ip.h>
53 #include <netinet/ip_carp.h>
54 #ifdef INET6
55 #include <netinet/ip6.h>
56 #endif /* INET6 */
57 #include <netinet/in_pcb.h>
58 #include <netinet/ip_icmp.h>
59 #include <netinet/icmp_var.h>
60 #include <netinet/igmp_var.h>
61 #include <netinet/ip_var.h>
62 #include <netinet/pim_var.h>
63 #include <netinet/tcp.h>
64 #include <netinet/tcpip.h>
65 #include <netinet/tcp_seq.h>
66 #define TCPSTATES
67 #include <netinet/tcp_fsm.h>
68 #include <netinet/tcp_timer.h>
69 #include <netinet/tcp_var.h>
70 #include <netinet/udp.h>
71 #include <netinet/udp_var.h>
72
73 #include <arpa/inet.h>
74 #include <err.h>
75 #include <errno.h>
76 #include <libutil.h>
77 #include <netdb.h>
78 #include <stdint.h>
79 #include <stdio.h>
80 #include <stdlib.h>
81 #include <stdbool.h>
82 #include <string.h>
83 #include <unistd.h>
84 #include <libxo/xo.h>
85 #include "netstat.h"
86 #include "nl_defs.h"
87
88 #define max(a, b) (((a) > (b)) ? (a) : (b))
89
90 #ifdef INET
91 static void inetprint(const char *, struct in_addr *, int, const char *, int,
92 const int);
93 #endif
94 #ifdef INET6
95 static int udp_done, tcp_done, sdp_done;
96 #endif /* INET6 */
97
98 static int
pcblist_sysctl(int proto,const char * name,char ** bufp)99 pcblist_sysctl(int proto, const char *name, char **bufp)
100 {
101 const char *mibvar;
102 char *buf;
103 size_t len;
104
105 switch (proto) {
106 case IPPROTO_TCP:
107 mibvar = "net.inet.tcp.pcblist";
108 break;
109 case IPPROTO_UDP:
110 mibvar = "net.inet.udp.pcblist";
111 break;
112 case IPPROTO_DIVERT:
113 mibvar = "net.inet.divert.pcblist";
114 break;
115 default:
116 mibvar = "net.inet.raw.pcblist";
117 break;
118 }
119 if (strncmp(name, "sdp", 3) == 0)
120 mibvar = "net.inet.sdp.pcblist";
121 len = 0;
122 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
123 if (errno != ENOENT)
124 xo_warn("sysctl: %s", mibvar);
125 return (0);
126 }
127 if ((buf = malloc(len)) == NULL) {
128 xo_warnx("malloc %lu bytes", (u_long)len);
129 return (0);
130 }
131 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
132 xo_warn("sysctl: %s", mibvar);
133 free(buf);
134 return (0);
135 }
136 *bufp = buf;
137 return (1);
138 }
139
140 #ifndef FSTACK
141 /*
142 * Copied directly from uipc_socket2.c. We leave out some fields that are in
143 * nested structures that aren't used to avoid extra work.
144 */
145 static void
sbtoxsockbuf(struct sockbuf * sb,struct xsockbuf * xsb)146 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb)
147 {
148 xsb->sb_cc = sb->sb_ccc;
149 xsb->sb_hiwat = sb->sb_hiwat;
150 xsb->sb_mbcnt = sb->sb_mbcnt;
151 xsb->sb_mcnt = sb->sb_mcnt;
152 xsb->sb_ccnt = sb->sb_ccnt;
153 xsb->sb_mbmax = sb->sb_mbmax;
154 xsb->sb_lowat = sb->sb_lowat;
155 xsb->sb_flags = sb->sb_flags;
156 xsb->sb_timeo = sb->sb_timeo;
157 }
158
159 int
sotoxsocket(struct socket * so,struct xsocket * xso)160 sotoxsocket(struct socket *so, struct xsocket *xso)
161 {
162 struct protosw proto;
163 struct domain domain;
164
165 bzero(xso, sizeof *xso);
166 xso->xso_len = sizeof *xso;
167 xso->xso_so = (uintptr_t)so;
168 xso->so_type = so->so_type;
169 xso->so_options = so->so_options;
170 xso->so_linger = so->so_linger;
171 xso->so_state = so->so_state;
172 xso->so_pcb = (uintptr_t)so->so_pcb;
173 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0)
174 return (-1);
175 xso->xso_protocol = proto.pr_protocol;
176 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0)
177 return (-1);
178 xso->xso_family = domain.dom_family;
179 xso->so_timeo = so->so_timeo;
180 xso->so_error = so->so_error;
181 if ((so->so_options & SO_ACCEPTCONN) != 0) {
182 xso->so_qlen = so->sol_qlen;
183 xso->so_incqlen = so->sol_incqlen;
184 xso->so_qlimit = so->sol_qlimit;
185 } else {
186 sbtoxsockbuf(&so->so_snd, &xso->so_snd);
187 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv);
188 xso->so_oobmark = so->so_oobmark;
189 }
190 return (0);
191 }
192 #endif
193
194 /*
195 * Print a summary of connections related to an Internet
196 * protocol. For TCP, also give state of connection.
197 * Listening processes (aflag) are suppressed unless the
198 * -a (all) flag is specified.
199 */
200 void
protopr(u_long off,const char * name,int af1,int proto)201 protopr(u_long off, const char *name, int af1, int proto)
202 {
203 static int first = 1;
204 int istcp;
205 char *buf;
206 const char *vchar;
207 struct xtcpcb *tp;
208 struct xinpcb *inp;
209 struct xinpgen *xig, *oxig;
210 struct xsocket *so;
211 int fnamelen, cnamelen;
212
213 istcp = 0;
214 switch (proto) {
215 case IPPROTO_TCP:
216 #ifdef INET6
217 if (strncmp(name, "sdp", 3) != 0) {
218 if (tcp_done != 0)
219 return;
220 else
221 tcp_done = 1;
222 } else {
223 if (sdp_done != 0)
224 return;
225 else
226 sdp_done = 1;
227 }
228 #endif
229 istcp = 1;
230 break;
231 case IPPROTO_UDP:
232 #ifdef INET6
233 if (udp_done != 0)
234 return;
235 else
236 udp_done = 1;
237 #endif
238 break;
239 }
240
241 if (!pcblist_sysctl(proto, name, &buf))
242 return;
243
244 if (cflag || Cflag) {
245 fnamelen = strlen("Stack");
246 cnamelen = strlen("CC");
247 oxig = xig = (struct xinpgen *)buf;
248 for (xig = (struct xinpgen*)((char *)xig + xig->xig_len);
249 xig->xig_len > sizeof(struct xinpgen);
250 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) {
251 if (istcp) {
252 tp = (struct xtcpcb *)xig;
253 inp = &tp->xt_inp;
254 } else {
255 continue;
256 }
257 #ifndef FSTACK
258 if (so->xso_protocol != proto)
259 continue;
260 #endif
261 if (inp->inp_gencnt > oxig->xig_gen)
262 continue;
263 fnamelen = max(fnamelen, (int)strlen(tp->xt_stack));
264 cnamelen = max(cnamelen, (int)strlen(tp->xt_cc));
265 }
266 }
267
268 oxig = xig = (struct xinpgen *)buf;
269 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len);
270 xig->xig_len > sizeof(struct xinpgen);
271 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) {
272 if (istcp) {
273 tp = (struct xtcpcb *)xig;
274 inp = &tp->xt_inp;
275 } else {
276 inp = (struct xinpcb *)xig;
277 }
278 so = &inp->xi_socket;
279
280 /* Ignore sockets for protocols other than the desired one. */
281 if (so->xso_protocol != proto)
282 continue;
283
284 /* Ignore PCBs which were freed during copyout. */
285 if (inp->inp_gencnt > oxig->xig_gen)
286 continue;
287
288 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0)
289 #ifdef INET6
290 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0)
291 #endif /* INET6 */
292 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0
293 #ifdef INET6
294 && (inp->inp_vflag & INP_IPV6) == 0
295 #endif /* INET6 */
296 ))
297 )
298 continue;
299 if (!aflag &&
300 (
301 (istcp && tp->t_state == TCPS_LISTEN)
302 || (af1 == AF_INET &&
303 inet_lnaof(inp->inp_laddr) == INADDR_ANY)
304 #ifdef INET6
305 || (af1 == AF_INET6 &&
306 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
307 #endif /* INET6 */
308 || (af1 == AF_UNSPEC &&
309 (((inp->inp_vflag & INP_IPV4) != 0 &&
310 inet_lnaof(inp->inp_laddr) == INADDR_ANY)
311 #ifdef INET6
312 || ((inp->inp_vflag & INP_IPV6) != 0 &&
313 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
314 #endif
315 ))
316 ))
317 continue;
318
319 if (first) {
320 if (!Lflag) {
321 xo_emit("Active Internet connections");
322 if (aflag)
323 xo_emit(" (including servers)");
324 } else
325 xo_emit(
326 "Current listen queue sizes (qlen/incqlen/maxqlen)");
327 xo_emit("\n");
328 if (Aflag)
329 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *),
330 "Tcpcb");
331 if (Lflag)
332 xo_emit((Aflag && !Wflag) ?
333 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" :
334 ((!Wflag || af1 == AF_INET) ?
335 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" :
336 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"),
337 "Proto", "Listen", "Local Address");
338 else if (Tflag)
339 xo_emit((Aflag && !Wflag) ?
340 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" :
341 ((!Wflag || af1 == AF_INET) ?
342 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" :
343 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"),
344 "Proto", "Rexmit", "OOORcv", "0-win",
345 "Local Address", "Foreign Address");
346 else {
347 xo_emit((Aflag && !Wflag) ?
348 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" :
349 ((!Wflag || af1 == AF_INET) ?
350 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" :
351 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"),
352 "Proto", "Recv-Q", "Send-Q",
353 "Local Address", "Foreign Address");
354 if (!xflag && !Rflag)
355 xo_emit(" {T:/%-11.11s}", "(state)");
356 }
357 if (xflag) {
358 xo_emit(" {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} "
359 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} "
360 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} "
361 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}",
362 "R-MBUF", "S-MBUF", "R-CLUS", "S-CLUS",
363 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA",
364 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX");
365 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} "
366 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}",
367 "rexmt", "persist", "keep", "2msl",
368 "delack", "rcvtime");
369 } else if (Rflag) {
370 xo_emit(" {T:/%8.8s} {T:/%5.5s}",
371 "flowid", "ftype");
372 }
373 if (cflag) {
374 xo_emit(" {T:/%-*.*s}",
375 fnamelen, fnamelen, "Stack");
376 }
377 if (Cflag)
378 xo_emit(" {T:/%-*.*s} {T:/%10.10s}"
379 " {T:/%10.10s} {T:/%5.5s}"
380 " {T:/%3.3s}", cnamelen,
381 cnamelen, "CC",
382 "cwin",
383 "ssthresh",
384 "MSS",
385 "ECN");
386 if (Pflag)
387 xo_emit(" {T:/%s}", "Log ID");
388 xo_emit("\n");
389 first = 0;
390 }
391 if (Lflag && so->so_qlimit == 0)
392 continue;
393 xo_open_instance("socket");
394 if (Aflag) {
395 if (istcp)
396 xo_emit("{q:address/%*lx} ",
397 2 * (int)sizeof(void *),
398 (u_long)inp->inp_ppcb);
399 else
400 xo_emit("{q:address/%*lx} ",
401 2 * (int)sizeof(void *),
402 (u_long)so->so_pcb);
403 }
404 #ifdef INET6
405 if ((inp->inp_vflag & INP_IPV6) != 0)
406 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ?
407 "46" : "6";
408 else
409 #endif
410 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ?
411 "4" : "";
412 if (istcp && (tp->t_flags & TF_TOE) != 0)
413 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar);
414 else
415 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar);
416 if (Lflag) {
417 char buf1[33];
418
419 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen,
420 so->so_incqlen, so->so_qlimit);
421 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1);
422 } else if (Tflag) {
423 if (istcp)
424 xo_emit("{:sent-retransmit-packets/%6u} "
425 "{:received-out-of-order-packets/%6u} "
426 "{:sent-zero-window/%6u} ",
427 tp->t_sndrexmitpack, tp->t_rcvoopack,
428 tp->t_sndzerowin);
429 else
430 xo_emit("{P:/%21s}", "");
431 } else {
432 xo_emit("{:receive-bytes-waiting/%6u} "
433 "{:send-bytes-waiting/%6u} ",
434 so->so_rcv.sb_cc, so->so_snd.sb_cc);
435 }
436 if (numeric_port) {
437 #ifdef INET
438 if (inp->inp_vflag & INP_IPV4) {
439 inetprint("local", &inp->inp_laddr,
440 (int)inp->inp_lport, name, 1, af1);
441 if (!Lflag)
442 inetprint("remote", &inp->inp_faddr,
443 (int)inp->inp_fport, name, 1, af1);
444 }
445 #endif
446 #if defined(INET) && defined(INET6)
447 else
448 #endif
449 #ifdef INET6
450 if (inp->inp_vflag & INP_IPV6) {
451 inet6print("local", &inp->in6p_laddr,
452 (int)inp->inp_lport, name, 1);
453 if (!Lflag)
454 inet6print("remote", &inp->in6p_faddr,
455 (int)inp->inp_fport, name, 1);
456 } /* else nothing printed now */
457 #endif /* INET6 */
458 } else if (inp->inp_flags & INP_ANONPORT) {
459 #ifdef INET
460 if (inp->inp_vflag & INP_IPV4) {
461 inetprint("local", &inp->inp_laddr,
462 (int)inp->inp_lport, name, 1, af1);
463 if (!Lflag)
464 inetprint("remote", &inp->inp_faddr,
465 (int)inp->inp_fport, name, 0, af1);
466 }
467 #endif
468 #if defined(INET) && defined(INET6)
469 else
470 #endif
471 #ifdef INET6
472 if (inp->inp_vflag & INP_IPV6) {
473 inet6print("local", &inp->in6p_laddr,
474 (int)inp->inp_lport, name, 1);
475 if (!Lflag)
476 inet6print("remote", &inp->in6p_faddr,
477 (int)inp->inp_fport, name, 0);
478 } /* else nothing printed now */
479 #endif /* INET6 */
480 } else {
481 #ifdef INET
482 if (inp->inp_vflag & INP_IPV4) {
483 inetprint("local", &inp->inp_laddr,
484 (int)inp->inp_lport, name, 0, af1);
485 if (!Lflag)
486 inetprint("remote", &inp->inp_faddr,
487 (int)inp->inp_fport, name,
488 inp->inp_lport != inp->inp_fport,
489 af1);
490 }
491 #endif
492 #if defined(INET) && defined(INET6)
493 else
494 #endif
495 #ifdef INET6
496 if (inp->inp_vflag & INP_IPV6) {
497 inet6print("local", &inp->in6p_laddr,
498 (int)inp->inp_lport, name, 0);
499 if (!Lflag)
500 inet6print("remote", &inp->in6p_faddr,
501 (int)inp->inp_fport, name,
502 inp->inp_lport != inp->inp_fport);
503 } /* else nothing printed now */
504 #endif /* INET6 */
505 }
506 if (xflag) {
507 xo_emit("{:receive-mbufs/%6u} {:send-mbufs/%6u} "
508 "{:receive-clusters/%6u} {:send-clusters/%6u} "
509 "{:receive-high-water/%6u} {:send-high-water/%6u} "
510 "{:receive-low-water/%6u} {:send-low-water/%6u} "
511 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} "
512 "{:receive-mbuf-bytes-max/%6u} "
513 "{:send-mbuf-bytes-max/%6u}",
514 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt,
515 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt,
516 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat,
517 so->so_rcv.sb_lowat, so->so_snd.sb_lowat,
518 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt,
519 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax);
520 if (istcp)
521 xo_emit(" {:retransmit-timer/%4d.%02d} "
522 "{:persist-timer/%4d.%02d} "
523 "{:keepalive-timer/%4d.%02d} "
524 "{:msl2-timer/%4d.%02d} "
525 "{:delay-ack-timer/%4d.%02d} "
526 "{:inactivity-timer/%4d.%02d}",
527 tp->tt_rexmt / 1000,
528 (tp->tt_rexmt % 1000) / 10,
529 tp->tt_persist / 1000,
530 (tp->tt_persist % 1000) / 10,
531 tp->tt_keep / 1000,
532 (tp->tt_keep % 1000) / 10,
533 tp->tt_2msl / 1000,
534 (tp->tt_2msl % 1000) / 10,
535 tp->tt_delack / 1000,
536 (tp->tt_delack % 1000) / 10,
537 tp->t_rcvtime / 1000,
538 (tp->t_rcvtime % 1000) / 10);
539 }
540 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) {
541 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES)
542 xo_emit("{:tcp-state/%-11d}", tp->t_state);
543 else {
544 xo_emit("{:tcp-state/%-11s}",
545 tcpstates[tp->t_state]);
546 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN)
547 /* Show T/TCP `hidden state' */
548 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN))
549 xo_emit("{:need-syn-or-fin/*}");
550 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */
551 }
552 }
553 if (Rflag) {
554 /* XXX: is this right Alfred */
555 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}",
556 inp->inp_flowid,
557 inp->inp_flowtype);
558 }
559 if (istcp) {
560 if (cflag)
561 xo_emit(" {:stack/%-*.*s}",
562
563 fnamelen, fnamelen, tp->xt_stack);
564 if (Cflag)
565 xo_emit(" {:cc/%-*.*s}"
566 " {:snd-cwnd/%10lu}"
567 " {:snd-ssthresh/%10lu}"
568 " {:t-maxseg/%5u} {:ecn/%3s}",
569 cnamelen, cnamelen, tp->xt_cc,
570 tp->t_snd_cwnd, tp->t_snd_ssthresh,
571 tp->t_maxseg,
572 (tp->t_state >= TCPS_ESTABLISHED ?
573 (tp->xt_ecn > 0 ?
574 (tp->xt_ecn == 1 ?
575 "ecn" : "ace")
576 : "off")
577 : "n/a"));
578 if (Pflag)
579 xo_emit(" {:log-id/%s}",
580 tp->xt_logid[0] == '\0' ?
581 "-" : tp->xt_logid);
582 }
583 xo_emit("\n");
584 xo_close_instance("socket");
585 }
586 if (xig != oxig && xig->xig_gen != oxig->xig_gen) {
587 if (oxig->xig_count > xig->xig_count) {
588 xo_emit("Some {d:lost/%s} sockets may have been "
589 "deleted.\n", name);
590 } else if (oxig->xig_count < xig->xig_count) {
591 xo_emit("Some {d:created/%s} sockets may have been "
592 "created.\n", name);
593 } else {
594 xo_emit("Some {d:changed/%s} sockets may have been "
595 "created or deleted.\n", name);
596 }
597 }
598 free(buf);
599 }
600
601 /*
602 * Dump TCP statistics structure.
603 */
604 void
tcp_stats(u_long off,const char * name,int af1 __unused,int proto __unused)605 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
606 {
607 struct tcpstat tcpstat;
608 uint64_t tcps_states[TCP_NSTATES];
609
610 #ifdef INET6
611 if (tcp_done != 0)
612 return;
613 else
614 tcp_done = 1;
615 #endif
616
617 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat,
618 sizeof(tcpstat), kread_counters) != 0)
619 return;
620
621 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value,
622 &tcps_states, sizeof(tcps_states), kread_counters) != 0)
623 return;
624
625 xo_open_container("tcp");
626 xo_emit("{T:/%s}:\n", name);
627
628 #define p(f, m) if (tcpstat.f || sflag <= 1) \
629 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f))
630 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \
631 xo_emit(m, (uintmax_t )tcpstat.f)
632 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
633 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \
634 (uintmax_t )tcpstat.f2, plural(tcpstat.f2))
635 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
636 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \
637 (uintmax_t )tcpstat.f2)
638 #define p3(f, m) if (tcpstat.f || sflag <= 1) \
639 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f))
640
641 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n");
642 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} "
643 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n");
644 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t"
645 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} "
646 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) "
647 "{N:retransmitted}\n");
648 p(tcps_sndrexmitbad, "\t\t"
649 "{:sent-unnecessary-retransmitted-packets/%ju} "
650 "{N:/data packet%s unnecessarily retransmitted}\n");
651 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} "
652 "{N:/resend%s initiated by MTU discovery}\n");
653 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} "
654 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} "
655 "{N:delayed})\n");
656 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} "
657 "{N:/URG only packet%s}\n");
658 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} "
659 "{N:/window probe packet%s}\n");
660 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} "
661 "{N:/window update packet%s}\n");
662 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} "
663 "{N:/control packet%s}\n");
664 p(tcps_rcvtotal, "\t{:received-packets/%ju} "
665 "{N:/packet%s received}\n");
666 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t"
667 "{:received-ack-packets/%ju} {N:/ack%s} "
668 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n");
669 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} "
670 "{N:/duplicate ack%s}\n");
671 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} "
672 "{N:/ack%s for unsent data}\n");
673 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t"
674 "{:received-in-sequence-packets/%ju} {N:/packet%s} "
675 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) "
676 "{N:received in-sequence}\n");
677 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t"
678 "{:received-completely-duplicate-packets/%ju} "
679 "{N:/completely duplicate packet%s} "
680 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n");
681 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} "
682 "{N:/old duplicate packet%s}\n");
683 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t"
684 "{:received-some-duplicate-packets/%ju} "
685 "{N:/packet%s with some dup. data} "
686 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n");
687 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} "
688 "{N:/out-of-order packet%s} "
689 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n");
690 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t"
691 "{:received-after-window-packets/%ju} {N:/packet%s} "
692 "({:received-after-window-bytes/%ju} {N:/byte%s}) "
693 "{N:of data after window}\n");
694 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} "
695 "{N:/window probe%s}\n");
696 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} "
697 "{N:/window update packet%s}\n");
698 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} "
699 "{N:/packet%s received after close}\n");
700 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} "
701 "{N:/discarded for bad checksum%s}\n");
702 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} "
703 "{N:/discarded for bad header offset field%s}\n");
704 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} "
705 "{N:discarded because packet too short}\n");
706 p1a(tcps_rcvreassfull, "\t\t{:discard-reassembly-queue-full/%ju} "
707 "{N:discarded due to full reassembly queue}\n");
708 p(tcps_connattempt, "\t{:connection-requests/%ju} "
709 "{N:/connection request%s}\n");
710 p(tcps_accepts, "\t{:connections-accepts/%ju} "
711 "{N:/connection accept%s}\n");
712 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} "
713 "{N:/bad connection attempt%s}\n");
714 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} "
715 "{N:/listen queue overflow%s}\n");
716 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} "
717 "{N:/ignored RSTs in the window%s}\n");
718 p(tcps_connects, "\t{:connections-established/%ju} "
719 "{N:/connection%s established (including accepts)}\n");
720 p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} "
721 "{N:/time%s used RTT from hostcache}\n");
722 p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} "
723 "{N:/time%s used RTT variance from hostcache}\n");
724 p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} "
725 "{N:/time%s used slow-start threshold from hostcache}\n");
726 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} "
727 "{N:/connection%s closed (including} "
728 "{:connection-drops/%ju} {N:/drop%s})\n");
729 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} "
730 "{N:/connection%s updated cached RTT on close}\n");
731 p(tcps_cachedrttvar, "\t\t"
732 "{:connections-updated-variance-on-close/%ju} "
733 "{N:/connection%s updated cached RTT variance on close}\n");
734 p(tcps_cachedssthresh, "\t\t"
735 "{:connections-updated-ssthresh-on-close/%ju} "
736 "{N:/connection%s updated cached ssthresh on close}\n");
737 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} "
738 "{N:/embryonic connection%s dropped}\n");
739 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} "
740 "{N:/segment%s updated rtt (of} "
741 "{:segment-update-attempts/%ju} {N:/attempt%s})\n");
742 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} "
743 "{N:/retransmit timeout%s}\n");
744 p(tcps_timeoutdrop, "\t\t"
745 "{:connections-dropped-by-retransmit-timeout/%ju} "
746 "{N:/connection%s dropped by rexmit timeout}\n");
747 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} "
748 "{N:/persist timeout%s}\n");
749 p(tcps_persistdrop, "\t\t"
750 "{:connections-dropped-by-persist-timeout/%ju} "
751 "{N:/connection%s dropped by persist timeout}\n");
752 p(tcps_finwait2_drops, "\t"
753 "{:connections-dropped-by-finwait2-timeout/%ju} "
754 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n");
755 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} "
756 "{N:/keepalive timeout%s}\n");
757 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} "
758 "{N:/keepalive probe%s sent}\n");
759 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} "
760 "{N:/connection%s dropped by keepalive}\n");
761 p(tcps_predack, "\t{:ack-header-predictions/%ju} "
762 "{N:/correct ACK header prediction%s}\n");
763 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} "
764 "{N:/correct data packet header prediction%s}\n");
765
766 xo_open_container("syncache");
767
768 p3(tcps_sc_added, "\t{:entries-added/%ju} "
769 "{N:/syncache entr%s added}\n");
770 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} "
771 "{N:/retransmitted}\n");
772 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n");
773 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n");
774 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n");
775 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} "
776 "{N:/bucket overflow}\n");
777 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} "
778 "{N:/cache overflow}\n");
779 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n");
780 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n");
781 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n");
782 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n");
783 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n");
784 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n");
785 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n");
786 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} "
787 "{N:/cookie%s received}\n");
788
789 xo_close_container("syncache");
790
791 xo_open_container("hostcache");
792
793 p3(tcps_hc_added, "\t{:entries-added/%ju} "
794 "{N:/hostcache entr%s added}\n");
795 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} "
796 "{N:/bucket overflow}\n");
797
798 xo_close_container("hostcache");
799
800 xo_open_container("sack");
801
802 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} "
803 "{N:/SACK recovery episode%s}\n");
804 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} "
805 "{N:/segment rexmit%s in SACK recovery episodes}\n");
806 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} "
807 "{N:/byte rexmit%s in SACK recovery episodes}\n");
808 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} "
809 "{N:/SACK option%s (SACK blocks) received}\n");
810 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} "
811 "{N:/SACK option%s (SACK blocks) sent}\n");
812 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} "
813 "{N:/SACK scoreboard overflow}\n");
814
815 xo_close_container("sack");
816 xo_open_container("ecn");
817
818 p(tcps_ecn_ce, "\t{:ce-packets/%ju} "
819 "{N:/packet%s with ECN CE bit set}\n");
820 p(tcps_ecn_ect0, "\t{:ect0-packets/%ju} "
821 "{N:/packet%s with ECN ECT(0) bit set}\n");
822 p(tcps_ecn_ect1, "\t{:ect1-packets/%ju} "
823 "{N:/packet%s with ECN ECT(1) bit set}\n");
824 p(tcps_ecn_shs, "\t{:handshakes/%ju} "
825 "{N:/successful ECN handshake%s}\n");
826 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} "
827 "{N:/time%s ECN reduced the congestion window}\n");
828
829 xo_close_container("ecn");
830 xo_open_container("tcp-signature");
831 p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} "
832 "{N:/packet%s with matching signature received}\n");
833 p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} "
834 "{N:/packet%s with bad signature received}\n");
835 p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} "
836 "{N:/time%s failed to make signature due to no SA}\n");
837 p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} "
838 "{N:/time%s unexpected signature received}\n");
839 p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} "
840 "{N:/time%s no signature provided by segment}\n");
841
842 xo_close_container("tcp-signature");
843 xo_open_container("pmtud");
844
845 p(tcps_pmtud_blackhole_activated, "\t{:pmtud-activated/%ju} "
846 "{N:/Path MTU discovery black hole detection activation%s}\n");
847 p(tcps_pmtud_blackhole_activated_min_mss,
848 "\t{:pmtud-activated-min-mss/%ju} "
849 "{N:/Path MTU discovery black hole detection min MSS activation%s}\n");
850 p(tcps_pmtud_blackhole_failed, "\t{:pmtud-failed/%ju} "
851 "{N:/Path MTU discovery black hole detection failure%s}\n");
852 #undef p
853 #undef p1a
854 #undef p2
855 #undef p2a
856 #undef p3
857 xo_close_container("pmtud");
858
859
860 xo_open_container("TCP connection count by state");
861 xo_emit("{T:/TCP connection count by state}:\n");
862 for (int i = 0; i < TCP_NSTATES; i++) {
863 /*
864 * XXXGL: is there a way in libxo to use %s
865 * in the "content string" of a format
866 * string? I failed to do that, that's why
867 * a temporary buffer is used to construct
868 * format string for xo_emit().
869 */
870 char fmtbuf[80];
871
872 if (sflag > 1 && tcps_states[i] == 0)
873 continue;
874 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} "
875 "{Np:/connection ,connections} in %s state\n",
876 tcpstates[i], tcpstates[i]);
877 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]);
878 }
879 xo_close_container("TCP connection count by state");
880
881 xo_close_container("tcp");
882 }
883
884 /*
885 * Dump UDP statistics structure.
886 */
887 void
udp_stats(u_long off,const char * name,int af1 __unused,int proto __unused)888 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
889 {
890 struct udpstat udpstat;
891 uint64_t delivered;
892
893 #ifdef INET6
894 if (udp_done != 0)
895 return;
896 else
897 udp_done = 1;
898 #endif
899
900 if (fetch_stats("net.inet.udp.stats", off, &udpstat,
901 sizeof(udpstat), kread_counters) != 0)
902 return;
903
904 xo_open_container("udp");
905 xo_emit("{T:/%s}:\n", name);
906
907 #define p(f, m) if (udpstat.f || sflag <= 1) \
908 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f))
909 #define p1a(f, m) if (udpstat.f || sflag <= 1) \
910 xo_emit("\t" m, (uintmax_t)udpstat.f)
911
912 p(udps_ipackets, "{:received-datagrams/%ju} "
913 "{N:/datagram%s received}\n");
914 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} "
915 "{N:/with incomplete header}\n");
916 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} "
917 "{N:/with bad data length field}\n");
918 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} "
919 "{N:/with bad checksum}\n");
920 p1a(udps_nosum, "{:dropped-no-checksum/%ju} "
921 "{N:/with no checksum}\n");
922 p1a(udps_noport, "{:dropped-no-socket/%ju} "
923 "{N:/dropped due to no socket}\n");
924 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} "
925 "{N:/broadcast\\/multicast datagram%s undelivered}\n");
926 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} "
927 "{N:/dropped due to full socket buffers}\n");
928 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} "
929 "{N:/not for hashed pcb}\n");
930 delivered = udpstat.udps_ipackets -
931 udpstat.udps_hdrops -
932 udpstat.udps_badlen -
933 udpstat.udps_badsum -
934 udpstat.udps_noport -
935 udpstat.udps_noportbcast -
936 udpstat.udps_fullsock;
937 if (delivered || sflag <= 1)
938 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n",
939 (uint64_t)delivered);
940 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n");
941 /* the next statistic is cumulative in udps_noportbcast */
942 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} "
943 "{N:/time%s multicast source filter matched}\n");
944 #undef p
945 #undef p1a
946 xo_close_container("udp");
947 }
948
949 /*
950 * Dump CARP statistics structure.
951 */
952 void
carp_stats(u_long off,const char * name,int af1 __unused,int proto __unused)953 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
954 {
955 struct carpstats carpstat;
956
957 if (fetch_stats("net.inet.carp.stats", off, &carpstat,
958 sizeof(carpstat), kread_counters) != 0)
959 return;
960
961 xo_open_container(name);
962 xo_emit("{T:/%s}:\n", name);
963
964 #define p(f, m) if (carpstat.f || sflag <= 1) \
965 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f))
966 #define p2(f, m) if (carpstat.f || sflag <= 1) \
967 xo_emit(m, (uintmax_t)carpstat.f)
968
969 p(carps_ipackets, "\t{:received-inet-packets/%ju} "
970 "{N:/packet%s received (IPv4)}\n");
971 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} "
972 "{N:/packet%s received (IPv6)}\n");
973 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} "
974 "{N:/packet%s discarded for wrong TTL}\n");
975 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} "
976 "{N:/packet%s shorter than header}\n");
977 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} "
978 "{N:/discarded for bad checksum%s}\n");
979 p(carps_badver, "\t\t{:dropped-bad-version/%ju} "
980 "{N:/discarded packet%s with a bad version}\n");
981 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} "
982 "{N:/discarded because packet too short}\n");
983 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} "
984 "{N:/discarded for bad authentication}\n");
985 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} "
986 "{N:/discarded for bad vhid}\n");
987 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} "
988 "{N:/discarded because of a bad address list}\n");
989 p(carps_opackets, "\t{:sent-inet-packets/%ju} "
990 "{N:/packet%s sent (IPv4)}\n");
991 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} "
992 "{N:/packet%s sent (IPv6)}\n");
993 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} "
994 "{N:/send failed due to mbuf memory error}\n");
995 #if notyet
996 p(carps_ostates, "\t\t{:send-state-updates/%s} "
997 "{N:/state update%s sent}\n");
998 #endif
999 #undef p
1000 #undef p2
1001 xo_close_container(name);
1002 }
1003
1004 /*
1005 * Dump IP statistics structure.
1006 */
1007 void
ip_stats(u_long off,const char * name,int af1 __unused,int proto __unused)1008 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1009 {
1010 struct ipstat ipstat;
1011
1012 if (fetch_stats("net.inet.ip.stats", off, &ipstat,
1013 sizeof(ipstat), kread_counters) != 0)
1014 return;
1015
1016 xo_open_container(name);
1017 xo_emit("{T:/%s}:\n", name);
1018
1019 #define p(f, m) if (ipstat.f || sflag <= 1) \
1020 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f))
1021 #define p1a(f, m) if (ipstat.f || sflag <= 1) \
1022 xo_emit(m, (uintmax_t )ipstat.f)
1023
1024 p(ips_total, "\t{:received-packets/%ju} "
1025 "{N:/total packet%s received}\n");
1026 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} "
1027 "{N:/bad header checksum%s}\n");
1028 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} "
1029 "{N:/with size smaller than minimum}\n");
1030 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} "
1031 "{N:/with data size < data length}\n");
1032 p1a(ips_toolong, "\t{:dropped-too-long/%ju} "
1033 "{N:/with ip length > max ip packet size}\n");
1034 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} "
1035 "{N:/with header length < data size}\n");
1036 p1a(ips_badlen, "\t{:dropped-short-data/%ju} "
1037 "{N:/with data length < header length}\n");
1038 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} "
1039 "{N:/with bad options}\n");
1040 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} "
1041 "{N:/with incorrect version number}\n");
1042 p(ips_fragments, "\t{:received-fragments/%ju} "
1043 "{N:/fragment%s received}\n");
1044 p(ips_fragdropped, "\t{:dropped-fragments/%ju} "
1045 "{N:/fragment%s dropped (dup or out of space)}\n");
1046 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} "
1047 "{N:/fragment%s dropped after timeout}\n");
1048 p(ips_reassembled, "\t{:reassembled-packets/%ju} "
1049 "{N:/packet%s reassembled ok}\n");
1050 p(ips_delivered, "\t{:received-local-packets/%ju} "
1051 "{N:/packet%s for this host}\n");
1052 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} "
1053 "{N:/packet%s for unknown\\/unsupported protocol}\n");
1054 p(ips_forward, "\t{:forwarded-packets/%ju} "
1055 "{N:/packet%s forwarded}");
1056 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} "
1057 "{N:/packet%s fast forwarded})");
1058 if (ipstat.ips_forward || sflag <= 1)
1059 xo_emit("\n");
1060 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} "
1061 "{N:/packet%s not forwardable}\n");
1062 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} "
1063 "{N:/packet%s received for unknown multicast group}\n");
1064 p(ips_redirectsent, "\t{:redirects-sent/%ju} "
1065 "{N:/redirect%s sent}\n");
1066 p(ips_localout, "\t{:sent-packets/%ju} "
1067 "{N:/packet%s sent from this host}\n");
1068 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} "
1069 "{N:/packet%s sent with fabricated ip header}\n");
1070 p(ips_odropped, "\t{:discard-no-mbufs/%ju} "
1071 "{N:/output packet%s dropped due to no bufs, etc.}\n");
1072 p(ips_noroute, "\t{:discard-no-route/%ju} "
1073 "{N:/output packet%s discarded due to no route}\n");
1074 p(ips_fragmented, "\t{:sent-fragments/%ju} "
1075 "{N:/output datagram%s fragmented}\n");
1076 p(ips_ofragments, "\t{:fragments-created/%ju} "
1077 "{N:/fragment%s created}\n");
1078 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} "
1079 "{N:/datagram%s that can't be fragmented}\n");
1080 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} "
1081 "{N:/tunneling packet%s that can't find gif}\n");
1082 p(ips_badaddr, "\t{:discard-bad-address/%ju} "
1083 "{N:/datagram%s with bad address in header}\n");
1084 #undef p
1085 #undef p1a
1086 xo_close_container(name);
1087 }
1088
1089 /*
1090 * Dump ARP statistics structure.
1091 */
1092 void
arp_stats(u_long off,const char * name,int af1 __unused,int proto __unused)1093 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1094 {
1095 struct arpstat arpstat;
1096
1097 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat,
1098 sizeof(arpstat), kread_counters) != 0)
1099 return;
1100
1101 xo_open_container(name);
1102 xo_emit("{T:/%s}:\n", name);
1103
1104 #define p(f, m) if (arpstat.f || sflag <= 1) \
1105 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f))
1106 #define p2(f, m) if (arpstat.f || sflag <= 1) \
1107 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f))
1108
1109 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n");
1110 p(txerrors, "{:sent-failures/%ju} {N:/ARP request%s failed to sent}\n");
1111 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n");
1112 p(rxrequests, "{:received-requests/%ju} "
1113 "{N:/ARP request%s received}\n");
1114 p2(rxreplies, "{:received-replies/%ju} "
1115 "{N:/ARP repl%s received}\n");
1116 p(received, "{:received-packers/%ju} "
1117 "{N:/ARP packet%s received}\n");
1118 p(dropped, "{:dropped-no-entry/%ju} "
1119 "{N:/total packet%s dropped due to no ARP entry}\n");
1120 p(timeouts, "{:entries-timeout/%ju} "
1121 "{N:/ARP entry%s timed out}\n");
1122 p(dupips, "{:dropped-duplicate-address/%ju} "
1123 "{N:/Duplicate IP%s seen}\n");
1124 #undef p
1125 #undef p2
1126 xo_close_container(name);
1127 }
1128
1129
1130
1131 static const char *icmpnames[ICMP_MAXTYPE + 1] = {
1132 "echo reply", /* RFC 792 */
1133 "#1",
1134 "#2",
1135 "destination unreachable", /* RFC 792 */
1136 "source quench", /* RFC 792 */
1137 "routing redirect", /* RFC 792 */
1138 "#6",
1139 "#7",
1140 "echo", /* RFC 792 */
1141 "router advertisement", /* RFC 1256 */
1142 "router solicitation", /* RFC 1256 */
1143 "time exceeded", /* RFC 792 */
1144 "parameter problem", /* RFC 792 */
1145 "time stamp", /* RFC 792 */
1146 "time stamp reply", /* RFC 792 */
1147 "information request", /* RFC 792 */
1148 "information request reply", /* RFC 792 */
1149 "address mask request", /* RFC 950 */
1150 "address mask reply", /* RFC 950 */
1151 "#19",
1152 "#20",
1153 "#21",
1154 "#22",
1155 "#23",
1156 "#24",
1157 "#25",
1158 "#26",
1159 "#27",
1160 "#28",
1161 "#29",
1162 "icmp traceroute", /* RFC 1393 */
1163 "datagram conversion error", /* RFC 1475 */
1164 "mobile host redirect",
1165 "IPv6 where-are-you",
1166 "IPv6 i-am-here",
1167 "mobile registration req",
1168 "mobile registration reply",
1169 "domain name request", /* RFC 1788 */
1170 "domain name reply", /* RFC 1788 */
1171 "icmp SKIP",
1172 "icmp photuris", /* RFC 2521 */
1173 };
1174
1175 /*
1176 * Dump ICMP statistics.
1177 */
1178 void
icmp_stats(u_long off,const char * name,int af1 __unused,int proto __unused)1179 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1180 {
1181 struct icmpstat icmpstat;
1182 size_t len;
1183 int i, first;
1184
1185 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat,
1186 sizeof(icmpstat), kread_counters) != 0)
1187 return;
1188
1189 xo_open_container(name);
1190 xo_emit("{T:/%s}:\n", name);
1191
1192 #define p(f, m) if (icmpstat.f || sflag <= 1) \
1193 xo_emit(m, icmpstat.f, plural(icmpstat.f))
1194 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \
1195 xo_emit(m, icmpstat.f)
1196 #define p2(f, m) if (icmpstat.f || sflag <= 1) \
1197 xo_emit(m, icmpstat.f, plurales(icmpstat.f))
1198
1199 p(icps_error, "\t{:icmp-calls/%lu} "
1200 "{N:/call%s to icmp_error}\n");
1201 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} "
1202 "{N:/error%s not generated in response to an icmp message}\n");
1203
1204 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) {
1205 if (icmpstat.icps_outhist[i] != 0) {
1206 if (first) {
1207 xo_open_list("output-histogram");
1208 xo_emit("\tOutput histogram:\n");
1209 first = 0;
1210 }
1211 xo_open_instance("output-histogram");
1212 if (icmpnames[i] != NULL)
1213 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n",
1214 icmpnames[i], icmpstat.icps_outhist[i]);
1215 else
1216 xo_emit("\t\tunknown ICMP #{k:name/%d}: "
1217 "{:count/%lu}\n",
1218 i, icmpstat.icps_outhist[i]);
1219 xo_close_instance("output-histogram");
1220 }
1221 }
1222 if (!first)
1223 xo_close_list("output-histogram");
1224
1225 p(icps_badcode, "\t{:dropped-bad-code/%lu} "
1226 "{N:/message%s with bad code fields}\n");
1227 p(icps_tooshort, "\t{:dropped-too-short/%lu} "
1228 "{N:/message%s less than the minimum length}\n");
1229 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} "
1230 "{N:/message%s with bad checksum}\n");
1231 p(icps_badlen, "\t{:dropped-bad-length/%lu} "
1232 "{N:/message%s with bad length}\n");
1233 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} "
1234 "{N:/multicast echo requests ignored}\n");
1235 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} "
1236 "{N:/multicast timestamp requests ignored}\n");
1237
1238 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) {
1239 if (icmpstat.icps_inhist[i] != 0) {
1240 if (first) {
1241 xo_open_list("input-histogram");
1242 xo_emit("\tInput histogram:\n");
1243 first = 0;
1244 }
1245 xo_open_instance("input-histogram");
1246 if (icmpnames[i] != NULL)
1247 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n",
1248 icmpnames[i],
1249 icmpstat.icps_inhist[i]);
1250 else
1251 xo_emit(
1252 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n",
1253 i, icmpstat.icps_inhist[i]);
1254 xo_close_instance("input-histogram");
1255 }
1256 }
1257 if (!first)
1258 xo_close_list("input-histogram");
1259
1260 p(icps_reflect, "\t{:sent-packets/%lu} "
1261 "{N:/message response%s generated}\n");
1262 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} "
1263 "{N:/invalid return address%s}\n");
1264 p(icps_noroute, "\t{:discard-no-route/%lu} "
1265 "{N:/no return route%s}\n");
1266 #undef p
1267 #undef p1a
1268 #undef p2
1269 if (live) {
1270 len = sizeof i;
1271 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) <
1272 0)
1273 return;
1274 xo_emit("\tICMP address mask responses are "
1275 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis");
1276 }
1277
1278 xo_close_container(name);
1279 }
1280
1281 /*
1282 * Dump IGMP statistics structure.
1283 */
1284 void
igmp_stats(u_long off,const char * name,int af1 __unused,int proto __unused)1285 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1286 {
1287 struct igmpstat igmpstat;
1288 int error, zflag0;
1289
1290 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat,
1291 sizeof(igmpstat), kread) != 0)
1292 return;
1293 /*
1294 * Reread net.inet.igmp.stats when zflag == 1.
1295 * This is because this MIB contains version number and
1296 * length of the structure which are not set when clearing
1297 * the counters.
1298 */
1299 zflag0 = zflag;
1300 if (zflag) {
1301 zflag = 0;
1302 error = fetch_stats("net.inet.igmp.stats", 0, &igmpstat,
1303 sizeof(igmpstat), kread);
1304 zflag = zflag0;
1305 if (error)
1306 return;
1307 }
1308
1309 if (igmpstat.igps_version != IGPS_VERSION_3) {
1310 xo_warnx("%s: version mismatch (%d != %d)", __func__,
1311 igmpstat.igps_version, IGPS_VERSION_3);
1312 return;
1313 }
1314 if (igmpstat.igps_len != IGPS_VERSION3_LEN) {
1315 xo_warnx("%s: size mismatch (%d != %d)", __func__,
1316 igmpstat.igps_len, IGPS_VERSION3_LEN);
1317 return;
1318 }
1319
1320 xo_open_container(name);
1321 xo_emit("{T:/%s}:\n", name);
1322
1323 #define p64(f, m) if (igmpstat.f || sflag <= 1) \
1324 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f))
1325 #define py64(f, m) if (igmpstat.f || sflag <= 1) \
1326 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f))
1327
1328 p64(igps_rcv_total, "\t{:received-messages/%ju} "
1329 "{N:/message%s received}\n");
1330 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} "
1331 "{N:/message%s received with too few bytes}\n");
1332 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} "
1333 "{N:/message%s received with wrong TTL}\n");
1334 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} "
1335 "{N:/message%s received with bad checksum}\n");
1336 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} "
1337 "{N:/V1\\/V2 membership quer%s received}\n");
1338 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} "
1339 "{N:/V3 membership quer%s received}\n");
1340 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} "
1341 "{N:/membership quer%s received with invalid field(s)}\n");
1342 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} "
1343 "{N:/general quer%s received}\n");
1344 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} "
1345 "{N:/group quer%s received}\n");
1346 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} "
1347 "{N:/group-source quer%s received}\n");
1348 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} "
1349 "{N:/group-source quer%s dropped}\n");
1350 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} "
1351 "{N:/membership report%s received}\n");
1352 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} "
1353 "{N:/membership report%s received with invalid field(s)}\n");
1354 p64(igps_rcv_ourreports, "\t"
1355 "{:received-membership-reports-matching/%ju} "
1356 "{N:/membership report%s received for groups to which we belong}"
1357 "\n");
1358 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} "
1359 "{N:/V3 report%s received without Router Alert}\n");
1360 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} "
1361 "{N:/membership report%s sent}\n");
1362 #undef p64
1363 #undef py64
1364 xo_close_container(name);
1365 }
1366
1367 /*
1368 * Dump PIM statistics structure.
1369 */
1370 void
pim_stats(u_long off __unused,const char * name,int af1 __unused,int proto __unused)1371 pim_stats(u_long off __unused, const char *name, int af1 __unused,
1372 int proto __unused)
1373 {
1374 struct pimstat pimstat;
1375
1376 if (fetch_stats("net.inet.pim.stats", off, &pimstat,
1377 sizeof(pimstat), kread_counters) != 0)
1378 return;
1379
1380 xo_open_container(name);
1381 xo_emit("{T:/%s}:\n", name);
1382
1383 #define p(f, m) if (pimstat.f || sflag <= 1) \
1384 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f))
1385 #define py(f, m) if (pimstat.f || sflag <= 1) \
1386 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y")
1387
1388 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} "
1389 "{N:/message%s received}\n");
1390 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} "
1391 "{N:/byte%s received}\n");
1392 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} "
1393 "{N:/message%s received with too few bytes}\n");
1394 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} "
1395 "{N:/message%s received with bad checksum}\n");
1396 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} "
1397 "{N:/message%s received with bad version}\n");
1398 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} "
1399 "{N:/data register message%s received}\n");
1400 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} "
1401 "{N:/data register byte%s received}\n");
1402 p(pims_rcv_registers_wrongiif, "\t"
1403 "{:received-data-register-wrong-interface/%ju} "
1404 "{N:/data register message%s received on wrong iif}\n");
1405 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} "
1406 "{N:/bad register%s received}\n");
1407 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} "
1408 "{N:/data register message%s sent}\n");
1409 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} "
1410 "{N:/data register byte%s sent}\n");
1411 #undef p
1412 #undef py
1413 xo_close_container(name);
1414 }
1415
1416 #ifdef INET
1417 /*
1418 * Pretty print an Internet address (net address + port).
1419 */
1420 static void
inetprint(const char * container,struct in_addr * in,int port,const char * proto,int num_port,const int af1)1421 inetprint(const char *container, struct in_addr *in, int port,
1422 const char *proto, int num_port, const int af1)
1423 {
1424 struct servent *sp = 0;
1425 char line[80], *cp;
1426 int width;
1427 size_t alen, plen;
1428
1429 if (container)
1430 xo_open_container(container);
1431
1432 if (Wflag)
1433 snprintf(line, sizeof(line), "%s.", inetname(in));
1434 else
1435 snprintf(line, sizeof(line), "%.*s.",
1436 (Aflag && !num_port) ? 12 : 16, inetname(in));
1437 alen = strlen(line);
1438 cp = line + alen;
1439 if (!num_port && port)
1440 sp = getservbyport((int)port, proto);
1441 if (sp || port == 0)
1442 snprintf(cp, sizeof(line) - alen,
1443 "%.15s ", sp ? sp->s_name : "*");
1444 else
1445 snprintf(cp, sizeof(line) - alen,
1446 "%d ", ntohs((u_short)port));
1447 width = (Aflag && !Wflag) ? 18 :
1448 ((!Wflag || af1 == AF_INET) ? 22 : 45);
1449 if (Wflag)
1450 xo_emit("{d:target/%-*s} ", width, line);
1451 else
1452 xo_emit("{d:target/%-*.*s} ", width, width, line);
1453
1454 plen = strlen(cp) - 1;
1455 alen--;
1456 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen,
1457 plen, cp);
1458
1459 if (container)
1460 xo_close_container(container);
1461 }
1462
1463 /*
1464 * Construct an Internet address representation.
1465 * If numeric_addr has been supplied, give
1466 * numeric value, otherwise try for symbolic name.
1467 */
1468 char *
inetname(struct in_addr * inp)1469 inetname(struct in_addr *inp)
1470 {
1471 char *cp;
1472 static char line[MAXHOSTNAMELEN];
1473 #ifndef FSTACK
1474 struct hostent *hp;
1475 struct netent *np;
1476 #endif
1477
1478 cp = 0;
1479 #ifndef FSTACK
1480 if (!numeric_addr && inp->s_addr != INADDR_ANY) {
1481 int net = inet_netof(*inp);
1482 int lna = inet_lnaof(*inp);
1483
1484 if (lna == INADDR_ANY) {
1485 np = getnetbyaddr(net, AF_INET);
1486 if (np)
1487 cp = np->n_name;
1488 }
1489 if (cp == NULL) {
1490 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
1491 if (hp) {
1492 cp = hp->h_name;
1493 trimdomain(cp, strlen(cp));
1494 }
1495 }
1496 }
1497 #endif
1498 if (inp->s_addr == INADDR_ANY)
1499 strcpy(line, "*");
1500 else if (cp) {
1501 strlcpy(line, cp, sizeof(line));
1502 } else {
1503 inp->s_addr = ntohl(inp->s_addr);
1504 #define C(x) ((u_int)((x) & 0xff))
1505 snprintf(line, sizeof(line), "%u.%u.%u.%u",
1506 C(inp->s_addr >> 24), C(inp->s_addr >> 16),
1507 C(inp->s_addr >> 8), C(inp->s_addr));
1508 }
1509 return (line);
1510 }
1511 #endif
1512