Annotation of src/usr.bin/netstat/inet.c, Revision 1.59
1.59 ! kjc 1: /* $OpenBSD: inet.c,v 1.58 2002/02/19 21:11:23 miod Exp $ */
1.1 deraadt 2: /* $NetBSD: inet.c,v 1.14 1995/10/03 21:42:37 thorpej Exp $ */
3:
4: /*
5: * Copyright (c) 1983, 1988, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: #if 0
39: static char sccsid[] = "from: @(#)inet.c 8.4 (Berkeley) 4/20/94";
40: #else
1.59 ! kjc 41: static char *rcsid = "$OpenBSD: inet.c,v 1.58 2002/02/19 21:11:23 miod Exp $";
1.1 deraadt 42: #endif
43: #endif /* not lint */
44:
45: #include <sys/param.h>
46: #include <sys/queue.h>
47: #include <sys/socket.h>
48: #include <sys/socketvar.h>
49: #include <sys/mbuf.h>
50: #include <sys/protosw.h>
51:
52: #include <net/route.h>
53: #include <netinet/in.h>
54: #include <netinet/in_systm.h>
55: #include <netinet/ip.h>
56: #include <netinet/in_pcb.h>
57: #include <netinet/ip_icmp.h>
58: #include <netinet/icmp_var.h>
59: #include <netinet/igmp_var.h>
60: #include <netinet/ip_var.h>
61: #include <netinet/tcp.h>
62: #include <netinet/tcpip.h>
63: #include <netinet/tcp_seq.h>
64: #define TCPSTATES
65: #include <netinet/tcp_fsm.h>
66: #include <netinet/tcp_timer.h>
67: #include <netinet/tcp_var.h>
68: #include <netinet/tcp_debug.h>
69: #include <netinet/udp.h>
70: #include <netinet/udp_var.h>
1.30 angelos 71: #include <netinet/ip_ipsp.h>
1.10 angelos 72: #include <netinet/ip_ah.h>
73: #include <netinet/ip_esp.h>
1.45 angelos 74: #include <netinet/ip_ipip.h>
1.52 angelos 75: #include <netinet/ip_ipcomp.h>
1.34 angelos 76: #include <netinet/ip_ether.h>
1.1 deraadt 77:
78: #include <arpa/inet.h>
1.18 millert 79: #include <limits.h>
1.1 deraadt 80: #include <netdb.h>
81: #include <stdio.h>
82: #include <string.h>
83: #include <unistd.h>
1.14 dgregor 84: #include <stdlib.h>
1.1 deraadt 85: #include "netstat.h"
86:
1.5 deraadt 87: #include <rpc/rpc.h>
88: #include <rpc/pmap_prot.h>
89: #include <rpc/pmap_clnt.h>
90:
1.1 deraadt 91: struct inpcb inpcb;
92: struct tcpcb tcpcb;
93: struct socket sockb;
94:
1.56 millert 95: static void protopr0(u_long, char *, int);
1.48 itojun 96:
1.56 millert 97: char *inetname(struct in_addr *);
98: void inetprint(struct in_addr *, int, char *, int);
1.38 itojun 99: #ifdef INET6
1.56 millert 100: char *inet6name(struct in6_addr *);
101: void inet6print(struct in6_addr *, int, char *, int);
1.38 itojun 102: #endif
1.1 deraadt 103:
104: /*
105: * Print a summary of connections related to an Internet
106: * protocol. For TCP, also give state of connection.
107: * Listening processes (aflag) are suppressed unless the
108: * -a (all) flag is specified.
109: */
110: void
111: protopr(off, name)
112: u_long off;
113: char *name;
114: {
1.48 itojun 115: protopr0(off, name, AF_INET);
116: }
117:
118: #ifdef INET6
119: void
120: ip6protopr(off, name)
121: u_long off;
122: char *name;
123: {
124: protopr0(off, name, AF_INET6);
125: }
126: #endif
127:
128: static void
129: protopr0(off, name, af)
130: u_long off;
131: char *name;
132: int af;
133: {
1.1 deraadt 134: struct inpcbtable table;
1.54 mpech 135: struct inpcb *head, *next, *prev;
1.1 deraadt 136: struct inpcb inpcb;
137: int istcp;
1.54 mpech 138: int first = 1;
1.38 itojun 139: char *name0;
140: char namebuf[20];
1.1 deraadt 141:
1.38 itojun 142: name0 = name;
1.1 deraadt 143: if (off == 0)
144: return;
145: istcp = strcmp(name, "tcp") == 0;
146: kread(off, (char *)&table, sizeof table);
147: prev = head =
148: (struct inpcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first;
149: next = table.inpt_queue.cqh_first;
150:
151: while (next != head) {
152: kread((u_long)next, (char *)&inpcb, sizeof inpcb);
153: if (inpcb.inp_queue.cqe_prev != prev) {
154: printf("???\n");
155: break;
156: }
157: prev = next;
158: next = inpcb.inp_queue.cqe_next;
1.48 itojun 159:
160: switch (af) {
161: case AF_INET:
162: if ((inpcb.inp_flags & INP_IPV6) != 0)
163: continue;
164: break;
165: case AF_INET6:
166: if ((inpcb.inp_flags & INP_IPV6) == 0)
167: continue;
168: break;
169: default:
170: break;
171: }
1.1 deraadt 172:
173: if (!aflag &&
174: inet_lnaof(inpcb.inp_laddr) == INADDR_ANY)
175: continue;
176: kread((u_long)inpcb.inp_socket, (char *)&sockb, sizeof (sockb));
177: if (istcp) {
178: kread((u_long)inpcb.inp_ppcb,
179: (char *)&tcpcb, sizeof (tcpcb));
180: }
181: if (first) {
182: printf("Active Internet connections");
183: if (aflag)
184: printf(" (including servers)");
185: putchar('\n');
186: if (Aflag)
1.29 deraadt 187: printf("%-*.*s %-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n",
1.18 millert 188: PLEN, PLEN, "PCB", "Proto", "Recv-Q",
1.29 deraadt 189: "Send-Q", "Local Address",
190: "Foreign Address", "(state)");
1.18 millert 191: else
192: printf("%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
193: "Proto", "Recv-Q", "Send-Q",
194: "Local Address", "Foreign Address",
195: "(state)");
1.1 deraadt 196: first = 0;
197: }
1.38 itojun 198: if (Aflag) {
1.1 deraadt 199: if (istcp)
1.18 millert 200: printf("%*p ", PLEN, inpcb.inp_ppcb);
1.1 deraadt 201: else
1.18 millert 202: printf("%*p ", PLEN, prev);
1.38 itojun 203: }
204: #ifdef INET6
205: if (inpcb.inp_flags & INP_IPV6) {
206: strcpy(namebuf, name0);
207: strcat(namebuf, "6");
208: name = namebuf;
209: } else
210: name = name0;
211: #endif
1.16 millert 212: printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc,
1.1 deraadt 213: sockb.so_snd.sb_cc);
1.38 itojun 214: #ifdef INET6
215: if (inpcb.inp_flags & INP_IPV6) {
216: inet6print(&inpcb.inp_laddr6, (int)inpcb.inp_lport,
217: name, 1);
218: inet6print(&inpcb.inp_faddr6, (int)inpcb.inp_fport,
219: name, 0);
220: } else
221: #endif
222: {
223: inetprint(&inpcb.inp_laddr, (int)inpcb.inp_lport,
224: name, 1);
225: inetprint(&inpcb.inp_faddr, (int)inpcb.inp_fport,
226: name, 0);
227: }
1.1 deraadt 228: if (istcp) {
229: if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
230: printf(" %d", tcpcb.t_state);
231: else
232: printf(" %s", tcpstates[tcpcb.t_state]);
233: }
234: putchar('\n');
235: }
236: }
237:
238: /*
239: * Dump TCP statistics structure.
240: */
241: void
242: tcp_stats(off, name)
243: u_long off;
244: char *name;
245: {
246: struct tcpstat tcpstat;
247:
248: if (off == 0)
249: return;
250: printf ("%s:\n", name);
251: kread(off, (char *)&tcpstat, sizeof (tcpstat));
252:
253: #define p(f, m) if (tcpstat.f || sflag <= 1) \
254: printf(m, tcpstat.f, plural(tcpstat.f))
1.38 itojun 255: #define p1(f, m) if (tcpstat.f || sflag <= 1) \
256: printf(m, tcpstat.f)
1.1 deraadt 257: #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
258: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
1.38 itojun 259: #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
260: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2)
1.1 deraadt 261: #define p3(f, m) if (tcpstat.f || sflag <= 1) \
262: printf(m, tcpstat.f, plurales(tcpstat.f))
263:
1.38 itojun 264: p(tcps_sndtotal, "\t%u packet%s sent\n");
1.1 deraadt 265: p2(tcps_sndpack,tcps_sndbyte,
1.38 itojun 266: "\t\t%u data packet%s (%qd byte%s)\n");
1.1 deraadt 267: p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
1.38 itojun 268: "\t\t%u data packet%s (%qd byte%s) retransmitted\n");
1.26 provos 269: p(tcps_sndrexmitfast, "\t\t%qd fast retransmitted packet%s\n");
1.38 itojun 270: p2a(tcps_sndacks, tcps_delack,
271: "\t\t%u ack-only packet%s (%u delayed)\n");
272: p(tcps_sndurg, "\t\t%u URG only packet%s\n");
273: p(tcps_sndprobe, "\t\t%u window probe packet%s\n");
274: p(tcps_sndwinup, "\t\t%u window update packet%s\n");
275: p(tcps_sndctrl, "\t\t%u control packet%s\n");
1.50 angelos 276: p(tcps_outhwcsum, "\t\t%u packet%s hardware-checksummed\n");
1.38 itojun 277: p(tcps_rcvtotal, "\t%u packet%s received\n");
278: p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%u ack%s (for %qd byte%s)\n");
279: p(tcps_rcvdupack, "\t\t%u duplicate ack%s\n");
280: p(tcps_rcvacktoomuch, "\t\t%u ack%s for unsent data\n");
1.1 deraadt 281: p2(tcps_rcvpack, tcps_rcvbyte,
1.38 itojun 282: "\t\t%u packet%s (%qu byte%s) received in-sequence\n");
1.1 deraadt 283: p2(tcps_rcvduppack, tcps_rcvdupbyte,
1.38 itojun 284: "\t\t%u completely duplicate packet%s (%qd byte%s)\n");
285: p(tcps_pawsdrop, "\t\t%u old duplicate packet%s\n");
1.1 deraadt 286: p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
1.38 itojun 287: "\t\t%u packet%s with some dup. data (%qd byte%s duped)\n");
1.1 deraadt 288: p2(tcps_rcvoopack, tcps_rcvoobyte,
1.38 itojun 289: "\t\t%u out-of-order packet%s (%qd byte%s)\n");
1.1 deraadt 290: p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
1.38 itojun 291: "\t\t%u packet%s (%qd byte%s) of data after window\n");
292: p(tcps_rcvwinprobe, "\t\t%u window probe%s\n");
293: p(tcps_rcvwinupd, "\t\t%u window update packet%s\n");
294: p(tcps_rcvafterclose, "\t\t%u packet%s received after close\n");
295: p(tcps_rcvbadsum, "\t\t%u discarded for bad checksum%s\n");
296: p(tcps_rcvbadoff, "\t\t%u discarded for bad header offset field%s\n");
297: p1(tcps_rcvshort, "\t\t%u discarded because packet too short\n");
1.58 miod 298: p1(tcps_rcvnosec, "\t\t%u discarded for missing IPsec protection\n");
1.50 angelos 299: p(tcps_inhwcsum, "\t\t%u packet%s hardware-checksummed\n");
1.38 itojun 300: p(tcps_connattempt, "\t%u connection request%s\n");
301: p(tcps_accepts, "\t%u connection accept%s\n");
302: p(tcps_connects, "\t%u connection%s established (including accepts)\n");
1.1 deraadt 303: p2(tcps_closed, tcps_drops,
1.38 itojun 304: "\t%u connection%s closed (including %u drop%s)\n");
305: p(tcps_conndrops, "\t%u embryonic connection%s dropped\n");
1.1 deraadt 306: p2(tcps_rttupdated, tcps_segstimed,
1.38 itojun 307: "\t%u segment%s updated rtt (of %u attempt%s)\n");
308: p(tcps_rexmttimeo, "\t%u retransmit timeout%s\n");
309: p(tcps_timeoutdrop, "\t\t%u connection%s dropped by rexmit timeout\n");
310: p(tcps_persisttimeo, "\t%u persist timeout%s\n");
311: p(tcps_keeptimeo, "\t%u keepalive timeout%s\n");
312: p(tcps_keepprobe, "\t\t%u keepalive probe%s sent\n");
313: p(tcps_keepdrops, "\t\t%u connection%s dropped by keepalive\n");
314: p(tcps_predack, "\t%u correct ACK header prediction%s\n");
315: p(tcps_preddat, "\t%u correct data packet header prediction%s\n");
316: p3(tcps_pcbhashmiss, "\t%u PCB cache miss%s\n");
317: p(tcps_badsyn, "\t%u SYN packet%s received with same src/dst address/port\n");
1.59 ! kjc 318:
! 319: p(tcps_ecn_accepts, "\t%u ECN connection%s accepted\n");
! 320: p(tcps_ecn_rcvece, "\t\t%u ECE packet%s received\n");
! 321: p(tcps_ecn_rcvcwr, "\t\t%u CWR packet%s received\n");
! 322: p(tcps_ecn_rcvce, "\t\t%u CE packet%s received\n");
! 323: p(tcps_ecn_sndect, "\t\t%u ECT packet%s sent\n");
! 324: p(tcps_ecn_sndece, "\t\t%u ECE packet%s sent\n");
! 325: p(tcps_ecn_sndcwr, "\t\t%u CWR packet%s sent\n");
! 326: p1(tcps_cwr_frecovery, "\t\t\tcwr by fastrecovery: %u\n");
! 327: p1(tcps_cwr_timeout, "\t\t\tcwr by timeout: %u\n");
! 328: p1(tcps_cwr_ecn, "\t\t\tcwr by ecn: %u\n");
! 329:
1.1 deraadt 330: #undef p
1.38 itojun 331: #undef p1
1.1 deraadt 332: #undef p2
1.38 itojun 333: #undef p2a
1.1 deraadt 334: #undef p3
335: }
336:
337: /*
338: * Dump UDP statistics structure.
339: */
340: void
341: udp_stats(off, name)
342: u_long off;
343: char *name;
344: {
345: struct udpstat udpstat;
346: u_long delivered;
347:
348: if (off == 0)
349: return;
350: kread(off, (char *)&udpstat, sizeof (udpstat));
351: printf("%s:\n", name);
352: #define p(f, m) if (udpstat.f || sflag <= 1) \
353: printf(m, udpstat.f, plural(udpstat.f))
1.38 itojun 354: #define p1(f, m) if (udpstat.f || sflag <= 1) \
355: printf(m, udpstat.f)
1.16 millert 356: p(udps_ipackets, "\t%lu datagram%s received\n");
1.38 itojun 357: p1(udps_hdrops, "\t%lu with incomplete header\n");
358: p1(udps_badlen, "\t%lu with bad data length field\n");
359: p1(udps_badsum, "\t%lu with bad checksum\n");
360: p1(udps_nosum, "\t%lu with no checksum\n");
1.50 angelos 361: p(udps_inhwcsum, "\t%lu input packet%s hardware-checksummed\n");
362: p(udps_outhwcsum, "\t%lu output packet%s hardware-checksummed\n");
1.38 itojun 363: p1(udps_noport, "\t%lu dropped due to no socket\n");
1.16 millert 364: p(udps_noportbcast, "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
1.58 miod 365: p1(udps_nosec, "\t%lu dropped due to missing IPsec protection\n");
1.38 itojun 366: p1(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
1.1 deraadt 367: delivered = udpstat.udps_ipackets -
368: udpstat.udps_hdrops -
369: udpstat.udps_badlen -
370: udpstat.udps_badsum -
371: udpstat.udps_noport -
372: udpstat.udps_noportbcast -
373: udpstat.udps_fullsock;
374: if (delivered || sflag <= 1)
1.16 millert 375: printf("\t%lu delivered\n", delivered);
376: p(udps_opackets, "\t%lu datagram%s output\n");
1.38 itojun 377: p1(udps_pcbhashmiss, "\t%lu missed PCB cache\n");
1.1 deraadt 378: #undef p
1.38 itojun 379: #undef p1
1.1 deraadt 380: }
381:
382: /*
383: * Dump IP statistics structure.
384: */
385: void
386: ip_stats(off, name)
387: u_long off;
388: char *name;
389: {
390: struct ipstat ipstat;
391:
392: if (off == 0)
393: return;
394: kread(off, (char *)&ipstat, sizeof (ipstat));
395: printf("%s:\n", name);
396:
397: #define p(f, m) if (ipstat.f || sflag <= 1) \
398: printf(m, ipstat.f, plural(ipstat.f))
1.38 itojun 399: #define p1(f, m) if (ipstat.f || sflag <= 1) \
400: printf(m, ipstat.f)
1.1 deraadt 401:
1.16 millert 402: p(ips_total, "\t%lu total packet%s received\n");
403: p(ips_badsum, "\t%lu bad header checksum%s\n");
1.38 itojun 404: p1(ips_toosmall, "\t%lu with size smaller than minimum\n");
405: p1(ips_tooshort, "\t%lu with data size < data length\n");
406: p1(ips_badhlen, "\t%lu with header length < data size\n");
407: p1(ips_badlen, "\t%lu with data length < header length\n");
408: p1(ips_badoptions, "\t%lu with bad options\n");
409: p1(ips_badvers, "\t%lu with incorrect version number\n");
1.16 millert 410: p(ips_fragments, "\t%lu fragment%s received\n");
411: p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
412: p(ips_badfrags, "\t%lu malformed fragment%s dropped\n");
413: p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
414: p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
415: p(ips_delivered, "\t%lu packet%s for this host\n");
416: p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
417: p(ips_forward, "\t%lu packet%s forwarded\n");
418: p(ips_cantforward, "\t%lu packet%s not forwardable\n");
419: p(ips_redirectsent, "\t%lu redirect%s sent\n");
420: p(ips_localout, "\t%lu packet%s sent from this host\n");
421: p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
422: p(ips_odropped, "\t%lu output packet%s dropped due to no bufs, etc.\n");
423: p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
424: p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
425: p(ips_ofragments, "\t%lu fragment%s created\n");
426: p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
1.38 itojun 427: p1(ips_rcvmemdrop, "\t%lu fragment floods\n");
1.42 itojun 428: p(ips_toolong, "\t%lu packet%s with ip length > max ip packet size\n");
429: p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n");
1.49 itojun 430: p(ips_badaddr, "\t%lu datagram%s with bad address in header\n");
1.50 angelos 431: p(ips_inhwcsum, "\t%lu input datagram%s checksum-processed by hardware\n");
432: p(ips_outhwcsum, "\t%lu output datagram%s checksum-processed by hardware\n");
1.1 deraadt 433: #undef p
1.38 itojun 434: #undef p1
1.1 deraadt 435: }
436:
437: static char *icmpnames[] = {
438: "echo reply",
439: "#1",
440: "#2",
441: "destination unreachable",
442: "source quench",
443: "routing redirect",
444: "#6",
445: "#7",
446: "echo",
1.9 deraadt 447: "router advertisement",
448: "router solicitation",
1.1 deraadt 449: "time exceeded",
450: "parameter problem",
451: "time stamp",
452: "time stamp reply",
453: "information request",
454: "information request reply",
455: "address mask request",
456: "address mask reply",
457: };
458:
459: /*
460: * Dump ICMP statistics.
461: */
462: void
463: icmp_stats(off, name)
464: u_long off;
465: char *name;
466: {
467: struct icmpstat icmpstat;
1.54 mpech 468: int i, first;
1.1 deraadt 469:
470: if (off == 0)
471: return;
472: kread(off, (char *)&icmpstat, sizeof (icmpstat));
473: printf("%s:\n", name);
474:
475: #define p(f, m) if (icmpstat.f || sflag <= 1) \
476: printf(m, icmpstat.f, plural(icmpstat.f))
477:
1.16 millert 478: p(icps_error, "\t%lu call%s to icmp_error\n");
1.1 deraadt 479: p(icps_oldicmp,
1.16 millert 480: "\t%lu error%s not generated 'cuz old message was icmp\n");
1.1 deraadt 481: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
482: if (icmpstat.icps_outhist[i] != 0) {
483: if (first) {
1.43 itojun 484: printf("\tOutput packet histogram:\n");
1.1 deraadt 485: first = 0;
486: }
1.16 millert 487: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 488: icmpstat.icps_outhist[i]);
489: }
1.16 millert 490: p(icps_badcode, "\t%lu message%s with bad code fields\n");
491: p(icps_tooshort, "\t%lu message%s < minimum length\n");
492: p(icps_checksum, "\t%lu bad checksum%s\n");
493: p(icps_badlen, "\t%lu message%s with bad length\n");
1.1 deraadt 494: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
495: if (icmpstat.icps_inhist[i] != 0) {
496: if (first) {
1.43 itojun 497: printf("\tInput packet histogram:\n");
1.1 deraadt 498: first = 0;
499: }
1.16 millert 500: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 501: icmpstat.icps_inhist[i]);
502: }
1.16 millert 503: p(icps_reflect, "\t%lu message response%s generated\n");
1.1 deraadt 504: #undef p
505: }
506:
507: /*
508: * Dump IGMP statistics structure.
509: */
510: void
511: igmp_stats(off, name)
512: u_long off;
513: char *name;
514: {
515: struct igmpstat igmpstat;
516:
517: if (off == 0)
518: return;
519: kread(off, (char *)&igmpstat, sizeof (igmpstat));
520: printf("%s:\n", name);
521:
522: #define p(f, m) if (igmpstat.f || sflag <= 1) \
523: printf(m, igmpstat.f, plural(igmpstat.f))
524: #define py(f, m) if (igmpstat.f || sflag <= 1) \
525: printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
1.16 millert 526: p(igps_rcv_total, "\t%lu message%s received\n");
1.55 mickey 527: p(igps_rcv_tooshort, "\t%lu message%s received with too few bytes\n");
528: p(igps_rcv_badsum, "\t%lu message%s received with bad checksum\n");
529: py(igps_rcv_queries, "\t%lu membership quer%s received\n");
530: py(igps_rcv_badqueries, "\t%lu membership quer%s received with invalid field(s)\n");
531: p(igps_rcv_reports, "\t%lu membership report%s received\n");
532: p(igps_rcv_badreports, "\t%lu membership report%s received with invalid field(s)\n");
533: p(igps_rcv_ourreports, "\t%lu membership report%s received for groups to which we belong\n");
534: p(igps_snd_reports, "\t%lu membership report%s sent\n");
1.1 deraadt 535: #undef p
536: #undef py
537: }
538:
1.5 deraadt 539: struct rpcnams {
540: struct rpcnams *next;
1.16 millert 541: in_port_t port;
1.21 deraadt 542: int proto;
1.5 deraadt 543: char *rpcname;
544: };
545:
546: char *
1.21 deraadt 547: getrpcportnam(port, proto)
1.16 millert 548: in_port_t port;
1.21 deraadt 549: int proto;
1.5 deraadt 550: {
551: struct sockaddr_in server_addr;
1.54 mpech 552: struct hostent *hp;
1.5 deraadt 553: static struct pmaplist *head;
554: int socket = RPC_ANYSOCK;
555: struct timeval minutetimeout;
1.54 mpech 556: CLIENT *client;
1.5 deraadt 557: struct rpcent *rpc;
558: static int first;
559: static struct rpcnams *rpcn;
560: struct rpcnams *n;
1.23 deraadt 561: char num[20];
1.55 mickey 562:
1.5 deraadt 563: if (first == 0) {
564: first = 1;
1.7 deraadt 565: memset((char *)&server_addr, 0, sizeof server_addr);
1.5 deraadt 566: server_addr.sin_family = AF_INET;
567: if ((hp = gethostbyname("localhost")) != NULL)
1.7 deraadt 568: memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
1.5 deraadt 569: hp->h_length);
570: else
571: (void) inet_aton("0.0.0.0", &server_addr.sin_addr);
572:
573: minutetimeout.tv_sec = 60;
574: minutetimeout.tv_usec = 0;
575: server_addr.sin_port = htons(PMAPPORT);
576: if ((client = clnttcp_create(&server_addr, PMAPPROG,
1.7 deraadt 577: PMAPVERS, &socket, 50, 500)) == NULL)
578: return (NULL);
1.5 deraadt 579: if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
1.8 deraadt 580: xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
1.7 deraadt 581: clnt_destroy(client);
582: return (NULL);
1.5 deraadt 583: }
584: for (; head != NULL; head = head->pml_next) {
585: n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
586: if (n == NULL)
587: continue;
588: n->next = rpcn;
589: rpcn = n;
590: n->port = head->pml_map.pm_port;
1.21 deraadt 591: n->proto = head->pml_map.pm_prot;
1.5 deraadt 592:
593: rpc = getrpcbynumber(head->pml_map.pm_prog);
594: if (rpc)
595: n->rpcname = strdup(rpc->r_name);
596: else {
1.23 deraadt 597: snprintf(num, sizeof num, "%ld",
598: head->pml_map.pm_prog);
1.5 deraadt 599: n->rpcname = strdup(num);
600: }
601: }
602: clnt_destroy(client);
603: }
604:
605: for (n = rpcn; n; n = n->next)
1.21 deraadt 606: if (n->port == port && n->proto == proto)
1.5 deraadt 607: return (n->rpcname);
608: return (NULL);
609: }
610:
1.1 deraadt 611: /*
612: * Pretty print an Internet address (net address + port).
613: * If the nflag was specified, use numbers instead of names.
614: */
615: void
1.5 deraadt 616: inetprint(in, port, proto, local)
1.54 mpech 617: struct in_addr *in;
1.16 millert 618: in_port_t port;
1.1 deraadt 619: char *proto;
1.5 deraadt 620: int local;
1.1 deraadt 621: {
622: struct servent *sp = 0;
1.5 deraadt 623: char line[80], *cp, *nam;
1.1 deraadt 624: int width;
625:
1.23 deraadt 626: snprintf(line, sizeof line, "%.*s.", (Aflag && !nflag) ? 12 : 16,
627: inetname(in));
1.4 millert 628: cp = strchr(line, '\0');
1.1 deraadt 629: if (!nflag && port)
630: sp = getservbyport((int)port, proto);
631: if (sp || port == 0)
1.23 deraadt 632: snprintf(cp, line + sizeof line - cp, "%.8s",
633: sp ? sp->s_name : "*");
1.21 deraadt 634: else if (local && !nflag && (nam = getrpcportnam(ntohs(port),
635: (strcmp(proto, "tcp") == 0 ? IPPROTO_TCP : IPPROTO_UDP))))
1.23 deraadt 636: snprintf(cp, line + sizeof line - cp, "%d[%.8s]",
637: ntohs(port), nam);
1.1 deraadt 638: else
1.23 deraadt 639: snprintf(cp, line + sizeof line - cp, "%d", ntohs(port));
1.1 deraadt 640: width = Aflag ? 18 : 22;
641: printf(" %-*.*s", width, width, line);
642: }
643:
644: /*
645: * Construct an Internet address representation.
646: * If the nflag has been supplied, give
647: * numeric value, otherwise try for symbolic name.
648: */
649: char *
650: inetname(inp)
651: struct in_addr *inp;
652: {
1.54 mpech 653: char *cp;
1.1 deraadt 654: static char line[50];
655: struct hostent *hp;
656: struct netent *np;
1.57 mpech 657: static char domain[MAXHOSTNAMELEN];
1.1 deraadt 658: static int first = 1;
659:
660: if (first && !nflag) {
661: first = 0;
1.57 mpech 662: if (gethostname(domain, sizeof(domain)) == 0 &&
1.4 millert 663: (cp = strchr(domain, '.')))
1.1 deraadt 664: (void) strcpy(domain, cp + 1);
665: else
666: domain[0] = 0;
667: }
668: cp = 0;
669: if (!nflag && inp->s_addr != INADDR_ANY) {
670: int net = inet_netof(*inp);
671: int lna = inet_lnaof(*inp);
672:
673: if (lna == INADDR_ANY) {
674: np = getnetbyaddr(net, AF_INET);
675: if (np)
676: cp = np->n_name;
677: }
678: if (cp == 0) {
679: hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
680: if (hp) {
1.4 millert 681: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 682: !strcmp(cp + 1, domain))
683: *cp = 0;
684: cp = hp->h_name;
685: }
686: }
687: }
688: if (inp->s_addr == INADDR_ANY)
1.23 deraadt 689: snprintf(line, sizeof line, "*");
1.1 deraadt 690: else if (cp)
1.23 deraadt 691: snprintf(line, sizeof line, "%s", cp);
1.1 deraadt 692: else {
693: inp->s_addr = ntohl(inp->s_addr);
694: #define C(x) ((x) & 0xff)
1.23 deraadt 695: snprintf(line, sizeof line, "%u.%u.%u.%u",
696: C(inp->s_addr >> 24), C(inp->s_addr >> 16),
697: C(inp->s_addr >> 8), C(inp->s_addr));
1.1 deraadt 698: }
699: return (line);
1.10 angelos 700: }
701:
702: /*
703: * Dump AH statistics structure.
704: */
705: void
706: ah_stats(off, name)
1.55 mickey 707: u_long off;
708: char *name;
1.10 angelos 709: {
1.55 mickey 710: struct ahstat ahstat;
1.10 angelos 711:
1.55 mickey 712: if (off == 0)
713: return;
714: kread(off, (char *)&ahstat, sizeof (ahstat));
715: printf("%s:\n", name);
1.10 angelos 716:
717: #define p(f, m) if (ahstat.f || sflag <= 1) \
718: printf(m, ahstat.f, plural(ahstat.f))
1.38 itojun 719: #define p1(f, m) if (ahstat.f || sflag <= 1) \
720: printf(m, ahstat.f)
1.10 angelos 721:
1.38 itojun 722: p1(ahs_input, "\t%u input AH packets\n");
723: p1(ahs_output, "\t%u output AH packets\n");
1.55 mickey 724: p(ahs_nopf, "\t%u packet%s from unsupported protocol families\n");
725: p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
726: p(ahs_pdrops, "\t%u packet%s dropped due to policy\n");
727: p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
728: p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
729: p(ahs_badauth, "\t%u packet%s that failed verification received\n");
730: p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
731: p(ahs_qfull, "\t%u packet%s were dropped due to full output queue\n");
732: p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
733: p(ahs_replay, "\t%u possibly replayed packet%s received\n");
734: p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
1.15 provos 735: p(ahs_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.25 niklas 736: p(ahs_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.46 angelos 737: p(ahs_crypto, "\t%u packet%s that failed crypto processing\n");
1.20 angelos 738: p(ahs_ibytes, "\t%qu input byte%s\n");
739: p(ahs_obytes, "\t%qu output byte%s\n");
740:
1.34 angelos 741: #undef p
1.38 itojun 742: #undef p1
1.34 angelos 743: }
744:
745: /*
746: * Dump etherip statistics structure.
747: */
748: void
749: etherip_stats(off, name)
750: u_long off;
751: char *name;
752: {
1.55 mickey 753: struct etheripstat etheripstat;
1.34 angelos 754:
1.55 mickey 755: if (off == 0)
756: return;
757: kread(off, (char *)ðeripstat, sizeof (etheripstat));
758: printf("%s:\n", name);
1.34 angelos 759:
760: #define p(f, m) if (etheripstat.f || sflag <= 1) \
761: printf(m, etheripstat.f, plural(etheripstat.f))
762:
763:
1.53 brian 764: p(etherip_hdrops, "\t%u packet%s shorter than header shows\n");
765: p(etherip_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.34 angelos 766: p(etherip_noifdrops, "\t%u packet%s were dropped because of no interface/bridge information\n");
1.53 brian 767: p(etherip_pdrops, "\t%u packet%s dropped due to policy\n");
768: p(etherip_adrops, "\t%u packet%s dropped for other reasons\n");
769: p(etherip_ipackets, "\t%u input ethernet-in-IP packet%s\n");
770: p(etherip_opackets, "\t%u output ethernet-in-IP packet%s\n");
1.34 angelos 771: p(etherip_ibytes, "\t%qu input byte%s\n");
772: p(etherip_obytes, "\t%qu output byte%s\n");
1.10 angelos 773: #undef p
774: }
775:
776: /*
777: * Dump ESP statistics structure.
778: */
779: void
780: esp_stats(off, name)
1.55 mickey 781: u_long off;
782: char *name;
1.10 angelos 783: {
1.55 mickey 784: struct espstat espstat;
1.10 angelos 785:
1.55 mickey 786: if (off == 0)
787: return;
788: kread(off, (char *)&espstat, sizeof (espstat));
789: printf("%s:\n", name);
1.10 angelos 790:
791: #define p(f, m) if (espstat.f || sflag <= 1) \
792: printf(m, espstat.f, plural(espstat.f))
793:
1.38 itojun 794: p(esps_input, "\t%u input ESP packet%s\n");
795: p(esps_output, "\t%u output ESP packet%s\n");
1.55 mickey 796: p(esps_nopf, "\t%u packet%s from unsupported protocol families\n");
797: p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
798: p(esps_pdrops, "\t%u packet%s dropped due to policy\n");
799: p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
800: p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
801: p(esps_badenc, "\t%u packet%s with bad encryption received\n");
802: p(esps_badauth, "\t%u packet%s that failed verification received\n");
803: p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
804: p(esps_qfull, "\t%u packet%s were dropped due to full output queue\n");
805: p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
806: p(esps_replay, "\t%u possibly replayed packet%s received\n");
807: p(esps_badilen, "\t%u packet%s with bad payload size or padding received\n");
1.15 provos 808: p(esps_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.25 niklas 809: p(esps_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.46 angelos 810: p(esps_crypto, "\t%u packet%s that failed crypto processing\n");
1.20 angelos 811: p(esps_ibytes, "\t%qu input byte%s\n");
812: p(esps_obytes, "\t%qu output byte%s\n");
1.10 angelos 813:
814: #undef p
815: }
816:
817: /*
818: * Dump ESP statistics structure.
819: */
820: void
1.45 angelos 821: ipip_stats(off, name)
1.55 mickey 822: u_long off;
823: char *name;
1.10 angelos 824: {
1.55 mickey 825: struct ipipstat ipipstat;
1.10 angelos 826:
1.55 mickey 827: if (off == 0)
828: return;
829: kread(off, (char *)&ipipstat, sizeof (ipipstat));
830: printf("%s:\n", name);
1.10 angelos 831:
1.45 angelos 832: #define p(f, m) if (ipipstat.f || sflag <= 1) \
833: printf(m, ipipstat.f, plural(ipipstat.f))
1.10 angelos 834:
1.55 mickey 835: p(ipips_ipackets, "\t%u total input packet%s\n");
836: p(ipips_opackets, "\t%u total output packet%s\n");
837: p(ipips_hdrops, "\t%u packet%s shorter than header shows\n");
838: p(ipips_pdrops, "\t%u packet%s dropped due to policy\n");
839: p(ipips_spoof, "\t%u packet%s with possibly spoofed local addresses\n");
840: p(ipips_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.45 angelos 841: p(ipips_ibytes, "\t%qu input byte%s\n");
842: p(ipips_obytes, "\t%qu output byte%s\n");
843: p(ipips_family, "\t%u protocol family mismatches\n");
844: p(ipips_unspec, "\t%u attempts to use tunnel with unspecified endpoint(s)\n");
1.51 jjbg 845: #undef p
846: }
847:
848: /*
849: * Dump IPCOMP statistics structure.
850: */
851: void
852: ipcomp_stats(off, name)
853: u_long off;
854: char *name;
855: {
856: struct ipcompstat ipcompstat;
857:
858: if (off == 0)
859: return;
860: kread(off, (char *)&ipcompstat, sizeof (ipcompstat));
861: printf("%s:\n", name);
862:
863: #define p(f, m) if (ipcompstat.f || sflag <= 1) \
864: printf(m, ipcompstat.f, plural(ipcompstat.f))
865:
866: p(ipcomps_input, "\t%u input IPCOMP packet%s\n");
867: p(ipcomps_output, "\t%u output IPCOMP packet%s\n");
868: p(ipcomps_nopf, "\t%u packet%s from unsupported protocol families\n");
869: p(ipcomps_hdrops, "\t%u packet%s shorter than header shows\n");
870: p(ipcomps_pdrops, "\t%u packet%s dropped due to policy\n");
871: p(ipcomps_notdb, "\t%u packet%s for which no TDB was found\n");
872: p(ipcomps_badkcr, "\t%u input packet%s that failed to be processed\n");
1.55 mickey 873: p(ipcomps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.51 jjbg 874: p(ipcomps_qfull, "\t%u packet%s were dropped due to full output queue\n");
875: p(ipcomps_wrap, "\t%u packet%s where counter wrapping was detected\n");
876: p(ipcomps_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
877: p(ipcomps_toobig, "\t%u packet%s got larger than max IP packet size\n");
878: p(ipcomps_crypto, "\t%u packet%s that failed (de)compression processing\n");
879: p(ipcomps_ibytes, "\t%qu input byte%s\n");
880: p(ipcomps_obytes, "\t%qu output byte%s\n");
881:
1.10 angelos 882: #undef p
1.1 deraadt 883: }