Annotation of src/usr.bin/netstat/inet.c, Revision 1.66
1.66 ! deraadt 1: /* $OpenBSD: inet.c,v 1.65 2003/06/03 02:56:13 millert 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.
1.65 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #ifndef lint
34: #if 0
35: static char sccsid[] = "from: @(#)inet.c 8.4 (Berkeley) 4/20/94";
36: #else
1.66 ! deraadt 37: static char *rcsid = "$OpenBSD: inet.c,v 1.65 2003/06/03 02:56:13 millert Exp $";
1.1 deraadt 38: #endif
39: #endif /* not lint */
40:
41: #include <sys/param.h>
42: #include <sys/queue.h>
43: #include <sys/socket.h>
44: #include <sys/socketvar.h>
45: #include <sys/mbuf.h>
46: #include <sys/protosw.h>
47:
48: #include <net/route.h>
49: #include <netinet/in.h>
50: #include <netinet/in_systm.h>
51: #include <netinet/ip.h>
52: #include <netinet/in_pcb.h>
53: #include <netinet/ip_icmp.h>
54: #include <netinet/icmp_var.h>
55: #include <netinet/igmp_var.h>
56: #include <netinet/ip_var.h>
57: #include <netinet/tcp.h>
58: #include <netinet/tcpip.h>
59: #include <netinet/tcp_seq.h>
60: #define TCPSTATES
61: #include <netinet/tcp_fsm.h>
62: #include <netinet/tcp_timer.h>
63: #include <netinet/tcp_var.h>
64: #include <netinet/tcp_debug.h>
65: #include <netinet/udp.h>
66: #include <netinet/udp_var.h>
1.30 angelos 67: #include <netinet/ip_ipsp.h>
1.10 angelos 68: #include <netinet/ip_ah.h>
69: #include <netinet/ip_esp.h>
1.45 angelos 70: #include <netinet/ip_ipip.h>
1.52 angelos 71: #include <netinet/ip_ipcomp.h>
1.34 angelos 72: #include <netinet/ip_ether.h>
1.1 deraadt 73:
74: #include <arpa/inet.h>
1.18 millert 75: #include <limits.h>
1.1 deraadt 76: #include <netdb.h>
77: #include <stdio.h>
78: #include <string.h>
79: #include <unistd.h>
1.14 dgregor 80: #include <stdlib.h>
1.1 deraadt 81: #include "netstat.h"
82:
1.5 deraadt 83: #include <rpc/rpc.h>
84: #include <rpc/pmap_prot.h>
85: #include <rpc/pmap_clnt.h>
86:
1.1 deraadt 87: struct inpcb inpcb;
88: struct tcpcb tcpcb;
89: struct socket sockb;
90:
1.56 millert 91: static void protopr0(u_long, char *, int);
1.48 itojun 92:
1.56 millert 93: char *inetname(struct in_addr *);
1.63 deraadt 94: void inetprint(struct in_addr *, in_port_t, char *, int);
1.38 itojun 95: #ifdef INET6
1.56 millert 96: char *inet6name(struct in6_addr *);
97: void inet6print(struct in6_addr *, int, char *, int);
1.38 itojun 98: #endif
1.1 deraadt 99:
100: /*
101: * Print a summary of connections related to an Internet
102: * protocol. For TCP, also give state of connection.
103: * Listening processes (aflag) are suppressed unless the
104: * -a (all) flag is specified.
105: */
106: void
1.63 deraadt 107: protopr(u_long off, char *name)
1.1 deraadt 108: {
1.48 itojun 109: protopr0(off, name, AF_INET);
110: }
111:
112: #ifdef INET6
113: void
1.63 deraadt 114: ip6protopr(u_long off, char *name)
1.48 itojun 115: {
116: protopr0(off, name, AF_INET6);
117: }
118: #endif
119:
120: static void
1.63 deraadt 121: protopr0(u_long off, char *name, int af)
1.48 itojun 122: {
1.1 deraadt 123: struct inpcbtable table;
1.54 mpech 124: struct inpcb *head, *next, *prev;
1.1 deraadt 125: struct inpcb inpcb;
126: int istcp;
1.54 mpech 127: int first = 1;
1.38 itojun 128: char *name0;
129: char namebuf[20];
1.1 deraadt 130:
1.38 itojun 131: name0 = name;
1.1 deraadt 132: if (off == 0)
133: return;
134: istcp = strcmp(name, "tcp") == 0;
135: kread(off, (char *)&table, sizeof table);
136: prev = head =
137: (struct inpcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first;
138: next = table.inpt_queue.cqh_first;
139:
140: while (next != head) {
141: kread((u_long)next, (char *)&inpcb, sizeof inpcb);
142: if (inpcb.inp_queue.cqe_prev != prev) {
143: printf("???\n");
144: break;
145: }
146: prev = next;
147: next = inpcb.inp_queue.cqe_next;
1.48 itojun 148:
149: switch (af) {
150: case AF_INET:
151: if ((inpcb.inp_flags & INP_IPV6) != 0)
152: continue;
153: break;
154: case AF_INET6:
155: if ((inpcb.inp_flags & INP_IPV6) == 0)
156: continue;
157: break;
158: default:
159: break;
160: }
1.1 deraadt 161:
162: if (!aflag &&
163: inet_lnaof(inpcb.inp_laddr) == INADDR_ANY)
164: continue;
165: kread((u_long)inpcb.inp_socket, (char *)&sockb, sizeof (sockb));
166: if (istcp) {
167: kread((u_long)inpcb.inp_ppcb,
168: (char *)&tcpcb, sizeof (tcpcb));
169: }
170: if (first) {
171: printf("Active Internet connections");
172: if (aflag)
173: printf(" (including servers)");
174: putchar('\n');
175: if (Aflag)
1.29 deraadt 176: printf("%-*.*s %-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n",
1.18 millert 177: PLEN, PLEN, "PCB", "Proto", "Recv-Q",
1.29 deraadt 178: "Send-Q", "Local Address",
179: "Foreign Address", "(state)");
1.18 millert 180: else
181: printf("%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
182: "Proto", "Recv-Q", "Send-Q",
183: "Local Address", "Foreign Address",
184: "(state)");
1.1 deraadt 185: first = 0;
186: }
1.38 itojun 187: if (Aflag) {
1.1 deraadt 188: if (istcp)
1.18 millert 189: printf("%*p ", PLEN, inpcb.inp_ppcb);
1.1 deraadt 190: else
1.18 millert 191: printf("%*p ", PLEN, prev);
1.38 itojun 192: }
193: #ifdef INET6
194: if (inpcb.inp_flags & INP_IPV6) {
1.60 deraadt 195: strlcpy(namebuf, name0, sizeof namebuf);
196: strlcat(namebuf, "6", sizeof namebuf);
1.38 itojun 197: name = namebuf;
198: } else
199: name = name0;
200: #endif
1.16 millert 201: printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc,
1.63 deraadt 202: sockb.so_snd.sb_cc);
1.38 itojun 203: #ifdef INET6
204: if (inpcb.inp_flags & INP_IPV6) {
205: inet6print(&inpcb.inp_laddr6, (int)inpcb.inp_lport,
1.63 deraadt 206: name, 1);
1.38 itojun 207: inet6print(&inpcb.inp_faddr6, (int)inpcb.inp_fport,
1.63 deraadt 208: name, 0);
1.38 itojun 209: } else
210: #endif
211: {
212: inetprint(&inpcb.inp_laddr, (int)inpcb.inp_lport,
1.63 deraadt 213: name, 1);
1.38 itojun 214: inetprint(&inpcb.inp_faddr, (int)inpcb.inp_fport,
1.63 deraadt 215: name, 0);
1.38 itojun 216: }
1.1 deraadt 217: if (istcp) {
218: if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
219: printf(" %d", tcpcb.t_state);
220: else
221: printf(" %s", tcpstates[tcpcb.t_state]);
222: }
223: putchar('\n');
224: }
225: }
226:
227: /*
228: * Dump TCP statistics structure.
229: */
230: void
1.63 deraadt 231: tcp_stats(u_long off, char *name)
1.1 deraadt 232: {
233: struct tcpstat tcpstat;
234:
235: if (off == 0)
236: return;
1.63 deraadt 237: printf("%s:\n", name);
1.1 deraadt 238: kread(off, (char *)&tcpstat, sizeof (tcpstat));
239:
240: #define p(f, m) if (tcpstat.f || sflag <= 1) \
1.60 deraadt 241: printf(m, tcpstat.f, plural(tcpstat.f))
1.38 itojun 242: #define p1(f, m) if (tcpstat.f || sflag <= 1) \
1.60 deraadt 243: printf(m, tcpstat.f)
1.1 deraadt 244: #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
1.60 deraadt 245: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
1.38 itojun 246: #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
1.60 deraadt 247: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2)
1.1 deraadt 248: #define p3(f, m) if (tcpstat.f || sflag <= 1) \
1.60 deraadt 249: printf(m, tcpstat.f, plurales(tcpstat.f))
1.1 deraadt 250:
1.38 itojun 251: p(tcps_sndtotal, "\t%u packet%s sent\n");
1.1 deraadt 252: p2(tcps_sndpack,tcps_sndbyte,
1.60 deraadt 253: "\t\t%u data packet%s (%qd byte%s)\n");
1.1 deraadt 254: p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
1.60 deraadt 255: "\t\t%u data packet%s (%qd byte%s) retransmitted\n");
1.26 provos 256: p(tcps_sndrexmitfast, "\t\t%qd fast retransmitted packet%s\n");
1.38 itojun 257: p2a(tcps_sndacks, tcps_delack,
1.60 deraadt 258: "\t\t%u ack-only packet%s (%u delayed)\n");
1.38 itojun 259: p(tcps_sndurg, "\t\t%u URG only packet%s\n");
260: p(tcps_sndprobe, "\t\t%u window probe packet%s\n");
261: p(tcps_sndwinup, "\t\t%u window update packet%s\n");
262: p(tcps_sndctrl, "\t\t%u control packet%s\n");
1.50 angelos 263: p(tcps_outhwcsum, "\t\t%u packet%s hardware-checksummed\n");
1.38 itojun 264: p(tcps_rcvtotal, "\t%u packet%s received\n");
265: p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%u ack%s (for %qd byte%s)\n");
266: p(tcps_rcvdupack, "\t\t%u duplicate ack%s\n");
267: p(tcps_rcvacktoomuch, "\t\t%u ack%s for unsent data\n");
1.1 deraadt 268: p2(tcps_rcvpack, tcps_rcvbyte,
1.60 deraadt 269: "\t\t%u packet%s (%qu byte%s) received in-sequence\n");
1.1 deraadt 270: p2(tcps_rcvduppack, tcps_rcvdupbyte,
1.60 deraadt 271: "\t\t%u completely duplicate packet%s (%qd byte%s)\n");
1.38 itojun 272: p(tcps_pawsdrop, "\t\t%u old duplicate packet%s\n");
1.1 deraadt 273: p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
1.62 jsyn 274: "\t\t%u packet%s with some duplicate data (%qd byte%s duplicated)\n");
1.1 deraadt 275: p2(tcps_rcvoopack, tcps_rcvoobyte,
1.60 deraadt 276: "\t\t%u out-of-order packet%s (%qd byte%s)\n");
1.1 deraadt 277: p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
1.60 deraadt 278: "\t\t%u packet%s (%qd byte%s) of data after window\n");
1.38 itojun 279: p(tcps_rcvwinprobe, "\t\t%u window probe%s\n");
280: p(tcps_rcvwinupd, "\t\t%u window update packet%s\n");
281: p(tcps_rcvafterclose, "\t\t%u packet%s received after close\n");
282: p(tcps_rcvbadsum, "\t\t%u discarded for bad checksum%s\n");
283: p(tcps_rcvbadoff, "\t\t%u discarded for bad header offset field%s\n");
284: p1(tcps_rcvshort, "\t\t%u discarded because packet too short\n");
1.58 miod 285: p1(tcps_rcvnosec, "\t\t%u discarded for missing IPsec protection\n");
1.50 angelos 286: p(tcps_inhwcsum, "\t\t%u packet%s hardware-checksummed\n");
1.38 itojun 287: p(tcps_connattempt, "\t%u connection request%s\n");
288: p(tcps_accepts, "\t%u connection accept%s\n");
289: p(tcps_connects, "\t%u connection%s established (including accepts)\n");
1.1 deraadt 290: p2(tcps_closed, tcps_drops,
1.60 deraadt 291: "\t%u connection%s closed (including %u drop%s)\n");
1.38 itojun 292: p(tcps_conndrops, "\t%u embryonic connection%s dropped\n");
1.1 deraadt 293: p2(tcps_rttupdated, tcps_segstimed,
1.60 deraadt 294: "\t%u segment%s updated rtt (of %u attempt%s)\n");
1.38 itojun 295: p(tcps_rexmttimeo, "\t%u retransmit timeout%s\n");
296: p(tcps_timeoutdrop, "\t\t%u connection%s dropped by rexmit timeout\n");
297: p(tcps_persisttimeo, "\t%u persist timeout%s\n");
298: p(tcps_keeptimeo, "\t%u keepalive timeout%s\n");
299: p(tcps_keepprobe, "\t\t%u keepalive probe%s sent\n");
300: p(tcps_keepdrops, "\t\t%u connection%s dropped by keepalive\n");
301: p(tcps_predack, "\t%u correct ACK header prediction%s\n");
302: p(tcps_preddat, "\t%u correct data packet header prediction%s\n");
303: p3(tcps_pcbhashmiss, "\t%u PCB cache miss%s\n");
304: p(tcps_badsyn, "\t%u SYN packet%s received with same src/dst address/port\n");
1.59 kjc 305:
306: p(tcps_ecn_accepts, "\t%u ECN connection%s accepted\n");
307: p(tcps_ecn_rcvece, "\t\t%u ECE packet%s received\n");
308: p(tcps_ecn_rcvcwr, "\t\t%u CWR packet%s received\n");
309: p(tcps_ecn_rcvce, "\t\t%u CE packet%s received\n");
310: p(tcps_ecn_sndect, "\t\t%u ECT packet%s sent\n");
311: p(tcps_ecn_sndece, "\t\t%u ECE packet%s sent\n");
312: p(tcps_ecn_sndcwr, "\t\t%u CWR packet%s sent\n");
313: p1(tcps_cwr_frecovery, "\t\t\tcwr by fastrecovery: %u\n");
314: p1(tcps_cwr_timeout, "\t\t\tcwr by timeout: %u\n");
315: p1(tcps_cwr_ecn, "\t\t\tcwr by ecn: %u\n");
316:
1.1 deraadt 317: #undef p
1.38 itojun 318: #undef p1
1.1 deraadt 319: #undef p2
1.38 itojun 320: #undef p2a
1.1 deraadt 321: #undef p3
322: }
323:
324: /*
325: * Dump UDP statistics structure.
326: */
327: void
1.63 deraadt 328: udp_stats(u_long off, char *name)
1.1 deraadt 329: {
330: struct udpstat udpstat;
331: u_long delivered;
332:
333: if (off == 0)
334: return;
335: kread(off, (char *)&udpstat, sizeof (udpstat));
336: printf("%s:\n", name);
337: #define p(f, m) if (udpstat.f || sflag <= 1) \
1.60 deraadt 338: printf(m, udpstat.f, plural(udpstat.f))
1.38 itojun 339: #define p1(f, m) if (udpstat.f || sflag <= 1) \
1.60 deraadt 340: printf(m, udpstat.f)
341:
1.16 millert 342: p(udps_ipackets, "\t%lu datagram%s received\n");
1.38 itojun 343: p1(udps_hdrops, "\t%lu with incomplete header\n");
344: p1(udps_badlen, "\t%lu with bad data length field\n");
345: p1(udps_badsum, "\t%lu with bad checksum\n");
346: p1(udps_nosum, "\t%lu with no checksum\n");
1.50 angelos 347: p(udps_inhwcsum, "\t%lu input packet%s hardware-checksummed\n");
348: p(udps_outhwcsum, "\t%lu output packet%s hardware-checksummed\n");
1.38 itojun 349: p1(udps_noport, "\t%lu dropped due to no socket\n");
1.16 millert 350: p(udps_noportbcast, "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
1.58 miod 351: p1(udps_nosec, "\t%lu dropped due to missing IPsec protection\n");
1.38 itojun 352: p1(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
1.60 deraadt 353: delivered = udpstat.udps_ipackets - udpstat.udps_hdrops -
354: udpstat.udps_badlen - udpstat.udps_badsum -
355: udpstat.udps_noport - udpstat.udps_noportbcast -
356: udpstat.udps_fullsock;
1.1 deraadt 357: if (delivered || sflag <= 1)
1.16 millert 358: printf("\t%lu delivered\n", delivered);
359: p(udps_opackets, "\t%lu datagram%s output\n");
1.38 itojun 360: p1(udps_pcbhashmiss, "\t%lu missed PCB cache\n");
1.1 deraadt 361: #undef p
1.38 itojun 362: #undef p1
1.1 deraadt 363: }
364:
365: /*
366: * Dump IP statistics structure.
367: */
368: void
1.63 deraadt 369: ip_stats(u_long off, char *name)
1.1 deraadt 370: {
371: struct ipstat ipstat;
372:
373: if (off == 0)
374: return;
375: kread(off, (char *)&ipstat, sizeof (ipstat));
376: printf("%s:\n", name);
377:
378: #define p(f, m) if (ipstat.f || sflag <= 1) \
1.60 deraadt 379: printf(m, ipstat.f, plural(ipstat.f))
1.38 itojun 380: #define p1(f, m) if (ipstat.f || sflag <= 1) \
1.60 deraadt 381: printf(m, ipstat.f)
1.1 deraadt 382:
1.16 millert 383: p(ips_total, "\t%lu total packet%s received\n");
384: p(ips_badsum, "\t%lu bad header checksum%s\n");
1.38 itojun 385: p1(ips_toosmall, "\t%lu with size smaller than minimum\n");
386: p1(ips_tooshort, "\t%lu with data size < data length\n");
387: p1(ips_badhlen, "\t%lu with header length < data size\n");
388: p1(ips_badlen, "\t%lu with data length < header length\n");
389: p1(ips_badoptions, "\t%lu with bad options\n");
390: p1(ips_badvers, "\t%lu with incorrect version number\n");
1.16 millert 391: p(ips_fragments, "\t%lu fragment%s received\n");
1.62 jsyn 392: p(ips_fragdropped, "\t%lu fragment%s dropped (duplicates or out of space)\n");
1.16 millert 393: p(ips_badfrags, "\t%lu malformed fragment%s dropped\n");
394: p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
395: p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
396: p(ips_delivered, "\t%lu packet%s for this host\n");
397: p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
398: p(ips_forward, "\t%lu packet%s forwarded\n");
399: p(ips_cantforward, "\t%lu packet%s not forwardable\n");
400: p(ips_redirectsent, "\t%lu redirect%s sent\n");
401: p(ips_localout, "\t%lu packet%s sent from this host\n");
402: p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
403: p(ips_odropped, "\t%lu output packet%s dropped due to no bufs, etc.\n");
404: p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
405: p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
406: p(ips_ofragments, "\t%lu fragment%s created\n");
407: p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
1.38 itojun 408: p1(ips_rcvmemdrop, "\t%lu fragment floods\n");
1.42 itojun 409: p(ips_toolong, "\t%lu packet%s with ip length > max ip packet size\n");
410: p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n");
1.49 itojun 411: p(ips_badaddr, "\t%lu datagram%s with bad address in header\n");
1.50 angelos 412: p(ips_inhwcsum, "\t%lu input datagram%s checksum-processed by hardware\n");
413: p(ips_outhwcsum, "\t%lu output datagram%s checksum-processed by hardware\n");
1.1 deraadt 414: #undef p
1.38 itojun 415: #undef p1
1.1 deraadt 416: }
417:
418: static char *icmpnames[] = {
419: "echo reply",
420: "#1",
421: "#2",
422: "destination unreachable",
423: "source quench",
424: "routing redirect",
425: "#6",
426: "#7",
427: "echo",
1.9 deraadt 428: "router advertisement",
429: "router solicitation",
1.1 deraadt 430: "time exceeded",
431: "parameter problem",
432: "time stamp",
433: "time stamp reply",
434: "information request",
435: "information request reply",
436: "address mask request",
437: "address mask reply",
438: };
439:
440: /*
441: * Dump ICMP statistics.
442: */
443: void
1.63 deraadt 444: icmp_stats(u_long off, char *name)
1.1 deraadt 445: {
446: struct icmpstat icmpstat;
1.54 mpech 447: int i, first;
1.1 deraadt 448:
449: if (off == 0)
450: return;
451: kread(off, (char *)&icmpstat, sizeof (icmpstat));
452: printf("%s:\n", name);
453:
454: #define p(f, m) if (icmpstat.f || sflag <= 1) \
1.60 deraadt 455: printf(m, icmpstat.f, plural(icmpstat.f))
1.1 deraadt 456:
1.16 millert 457: p(icps_error, "\t%lu call%s to icmp_error\n");
1.1 deraadt 458: p(icps_oldicmp,
1.61 aaron 459: "\t%lu error%s not generated because old message was icmp\n");
1.1 deraadt 460: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
461: if (icmpstat.icps_outhist[i] != 0) {
462: if (first) {
1.43 itojun 463: printf("\tOutput packet histogram:\n");
1.1 deraadt 464: first = 0;
465: }
1.16 millert 466: printf("\t\t%s: %lu\n", icmpnames[i],
1.60 deraadt 467: icmpstat.icps_outhist[i]);
1.1 deraadt 468: }
1.16 millert 469: p(icps_badcode, "\t%lu message%s with bad code fields\n");
470: p(icps_tooshort, "\t%lu message%s < minimum length\n");
471: p(icps_checksum, "\t%lu bad checksum%s\n");
472: p(icps_badlen, "\t%lu message%s with bad length\n");
1.1 deraadt 473: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
474: if (icmpstat.icps_inhist[i] != 0) {
475: if (first) {
1.43 itojun 476: printf("\tInput packet histogram:\n");
1.1 deraadt 477: first = 0;
478: }
1.16 millert 479: printf("\t\t%s: %lu\n", icmpnames[i],
1.60 deraadt 480: icmpstat.icps_inhist[i]);
1.1 deraadt 481: }
1.16 millert 482: p(icps_reflect, "\t%lu message response%s generated\n");
1.1 deraadt 483: #undef p
484: }
485:
486: /*
487: * Dump IGMP statistics structure.
488: */
489: void
1.63 deraadt 490: igmp_stats(u_long off, char *name)
1.1 deraadt 491: {
492: struct igmpstat igmpstat;
493:
494: if (off == 0)
495: return;
496: kread(off, (char *)&igmpstat, sizeof (igmpstat));
497: printf("%s:\n", name);
498:
499: #define p(f, m) if (igmpstat.f || sflag <= 1) \
1.60 deraadt 500: printf(m, igmpstat.f, plural(igmpstat.f))
1.1 deraadt 501: #define py(f, m) if (igmpstat.f || sflag <= 1) \
1.60 deraadt 502: printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
503:
1.16 millert 504: p(igps_rcv_total, "\t%lu message%s received\n");
1.55 mickey 505: p(igps_rcv_tooshort, "\t%lu message%s received with too few bytes\n");
506: p(igps_rcv_badsum, "\t%lu message%s received with bad checksum\n");
507: py(igps_rcv_queries, "\t%lu membership quer%s received\n");
508: py(igps_rcv_badqueries, "\t%lu membership quer%s received with invalid field(s)\n");
509: p(igps_rcv_reports, "\t%lu membership report%s received\n");
510: p(igps_rcv_badreports, "\t%lu membership report%s received with invalid field(s)\n");
511: p(igps_rcv_ourreports, "\t%lu membership report%s received for groups to which we belong\n");
512: p(igps_snd_reports, "\t%lu membership report%s sent\n");
1.1 deraadt 513: #undef p
514: #undef py
515: }
516:
1.5 deraadt 517: struct rpcnams {
518: struct rpcnams *next;
1.16 millert 519: in_port_t port;
1.21 deraadt 520: int proto;
1.5 deraadt 521: char *rpcname;
522: };
523:
1.66 ! deraadt 524: static char *
1.63 deraadt 525: getrpcportnam(in_port_t port, int proto)
1.5 deraadt 526: {
527: struct sockaddr_in server_addr;
1.54 mpech 528: struct hostent *hp;
1.5 deraadt 529: static struct pmaplist *head;
530: int socket = RPC_ANYSOCK;
531: struct timeval minutetimeout;
1.54 mpech 532: CLIENT *client;
1.5 deraadt 533: struct rpcent *rpc;
534: static int first;
535: static struct rpcnams *rpcn;
536: struct rpcnams *n;
1.23 deraadt 537: char num[20];
1.55 mickey 538:
1.5 deraadt 539: if (first == 0) {
540: first = 1;
1.7 deraadt 541: memset((char *)&server_addr, 0, sizeof server_addr);
1.5 deraadt 542: server_addr.sin_family = AF_INET;
543: if ((hp = gethostbyname("localhost")) != NULL)
1.7 deraadt 544: memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
1.5 deraadt 545: hp->h_length);
546: else
547: (void) inet_aton("0.0.0.0", &server_addr.sin_addr);
548:
549: minutetimeout.tv_sec = 60;
550: minutetimeout.tv_usec = 0;
551: server_addr.sin_port = htons(PMAPPORT);
552: if ((client = clnttcp_create(&server_addr, PMAPPROG,
1.7 deraadt 553: PMAPVERS, &socket, 50, 500)) == NULL)
554: return (NULL);
1.5 deraadt 555: if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
1.8 deraadt 556: xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
1.7 deraadt 557: clnt_destroy(client);
558: return (NULL);
1.5 deraadt 559: }
560: for (; head != NULL; head = head->pml_next) {
561: n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
562: if (n == NULL)
563: continue;
564: n->next = rpcn;
565: rpcn = n;
566: n->port = head->pml_map.pm_port;
1.21 deraadt 567: n->proto = head->pml_map.pm_prot;
1.5 deraadt 568:
569: rpc = getrpcbynumber(head->pml_map.pm_prog);
570: if (rpc)
571: n->rpcname = strdup(rpc->r_name);
572: else {
1.23 deraadt 573: snprintf(num, sizeof num, "%ld",
574: head->pml_map.pm_prog);
1.5 deraadt 575: n->rpcname = strdup(num);
576: }
577: }
578: clnt_destroy(client);
579: }
580:
581: for (n = rpcn; n; n = n->next)
1.21 deraadt 582: if (n->port == port && n->proto == proto)
1.5 deraadt 583: return (n->rpcname);
584: return (NULL);
585: }
586:
1.1 deraadt 587: /*
588: * Pretty print an Internet address (net address + port).
589: * If the nflag was specified, use numbers instead of names.
590: */
591: void
1.63 deraadt 592: inetprint(struct in_addr *in, in_port_t port, char *proto, int local)
1.1 deraadt 593: {
594: struct servent *sp = 0;
1.5 deraadt 595: char line[80], *cp, *nam;
1.1 deraadt 596: int width;
597:
1.23 deraadt 598: snprintf(line, sizeof line, "%.*s.", (Aflag && !nflag) ? 12 : 16,
599: inetname(in));
1.4 millert 600: cp = strchr(line, '\0');
1.1 deraadt 601: if (!nflag && port)
602: sp = getservbyport((int)port, proto);
603: if (sp || port == 0)
1.23 deraadt 604: snprintf(cp, line + sizeof line - cp, "%.8s",
605: sp ? sp->s_name : "*");
1.21 deraadt 606: else if (local && !nflag && (nam = getrpcportnam(ntohs(port),
607: (strcmp(proto, "tcp") == 0 ? IPPROTO_TCP : IPPROTO_UDP))))
1.23 deraadt 608: snprintf(cp, line + sizeof line - cp, "%d[%.8s]",
609: ntohs(port), nam);
1.1 deraadt 610: else
1.23 deraadt 611: snprintf(cp, line + sizeof line - cp, "%d", ntohs(port));
1.1 deraadt 612: width = Aflag ? 18 : 22;
613: printf(" %-*.*s", width, width, line);
614: }
615:
616: /*
617: * Construct an Internet address representation.
618: * If the nflag has been supplied, give
619: * numeric value, otherwise try for symbolic name.
620: */
621: char *
1.63 deraadt 622: inetname(struct in_addr *inp)
1.1 deraadt 623: {
1.54 mpech 624: char *cp;
1.1 deraadt 625: static char line[50];
626: struct hostent *hp;
627: struct netent *np;
1.57 mpech 628: static char domain[MAXHOSTNAMELEN];
1.1 deraadt 629: static int first = 1;
630:
631: if (first && !nflag) {
632: first = 0;
1.57 mpech 633: if (gethostname(domain, sizeof(domain)) == 0 &&
1.4 millert 634: (cp = strchr(domain, '.')))
1.60 deraadt 635: (void) strlcpy(domain, cp + 1, sizeof domain);
1.1 deraadt 636: else
1.60 deraadt 637: domain[0] = '\0';
1.1 deraadt 638: }
639: cp = 0;
640: if (!nflag && inp->s_addr != INADDR_ANY) {
641: int net = inet_netof(*inp);
642: int lna = inet_lnaof(*inp);
643:
644: if (lna == INADDR_ANY) {
645: np = getnetbyaddr(net, AF_INET);
646: if (np)
647: cp = np->n_name;
648: }
649: if (cp == 0) {
650: hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
651: if (hp) {
1.4 millert 652: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 653: !strcmp(cp + 1, domain))
654: *cp = 0;
655: cp = hp->h_name;
656: }
657: }
658: }
659: if (inp->s_addr == INADDR_ANY)
1.23 deraadt 660: snprintf(line, sizeof line, "*");
1.1 deraadt 661: else if (cp)
1.23 deraadt 662: snprintf(line, sizeof line, "%s", cp);
1.1 deraadt 663: else {
664: inp->s_addr = ntohl(inp->s_addr);
665: #define C(x) ((x) & 0xff)
1.23 deraadt 666: snprintf(line, sizeof line, "%u.%u.%u.%u",
667: C(inp->s_addr >> 24), C(inp->s_addr >> 16),
668: C(inp->s_addr >> 8), C(inp->s_addr));
1.1 deraadt 669: }
670: return (line);
1.10 angelos 671: }
672:
673: /*
674: * Dump AH statistics structure.
675: */
676: void
1.63 deraadt 677: ah_stats(u_long off, char *name)
1.10 angelos 678: {
1.55 mickey 679: struct ahstat ahstat;
1.10 angelos 680:
1.55 mickey 681: if (off == 0)
682: return;
683: kread(off, (char *)&ahstat, sizeof (ahstat));
684: printf("%s:\n", name);
1.10 angelos 685:
686: #define p(f, m) if (ahstat.f || sflag <= 1) \
1.60 deraadt 687: printf(m, ahstat.f, plural(ahstat.f))
1.38 itojun 688: #define p1(f, m) if (ahstat.f || sflag <= 1) \
1.60 deraadt 689: printf(m, ahstat.f)
1.10 angelos 690:
1.38 itojun 691: p1(ahs_input, "\t%u input AH packets\n");
692: p1(ahs_output, "\t%u output AH packets\n");
1.55 mickey 693: p(ahs_nopf, "\t%u packet%s from unsupported protocol families\n");
694: p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
695: p(ahs_pdrops, "\t%u packet%s dropped due to policy\n");
696: p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
697: p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
698: p(ahs_badauth, "\t%u packet%s that failed verification received\n");
699: p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
700: p(ahs_qfull, "\t%u packet%s were dropped due to full output queue\n");
701: p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
702: p(ahs_replay, "\t%u possibly replayed packet%s received\n");
703: p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
1.62 jsyn 704: p(ahs_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
1.25 niklas 705: p(ahs_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.46 angelos 706: p(ahs_crypto, "\t%u packet%s that failed crypto processing\n");
1.20 angelos 707: p(ahs_ibytes, "\t%qu input byte%s\n");
708: p(ahs_obytes, "\t%qu output byte%s\n");
709:
1.34 angelos 710: #undef p
1.38 itojun 711: #undef p1
1.34 angelos 712: }
713:
714: /*
715: * Dump etherip statistics structure.
716: */
717: void
1.63 deraadt 718: etherip_stats(u_long off, char *name)
1.34 angelos 719: {
1.55 mickey 720: struct etheripstat etheripstat;
1.34 angelos 721:
1.55 mickey 722: if (off == 0)
723: return;
724: kread(off, (char *)ðeripstat, sizeof (etheripstat));
725: printf("%s:\n", name);
1.34 angelos 726:
727: #define p(f, m) if (etheripstat.f || sflag <= 1) \
1.60 deraadt 728: printf(m, etheripstat.f, plural(etheripstat.f))
1.34 angelos 729:
1.53 brian 730: p(etherip_hdrops, "\t%u packet%s shorter than header shows\n");
731: p(etherip_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.34 angelos 732: p(etherip_noifdrops, "\t%u packet%s were dropped because of no interface/bridge information\n");
1.53 brian 733: p(etherip_pdrops, "\t%u packet%s dropped due to policy\n");
734: p(etherip_adrops, "\t%u packet%s dropped for other reasons\n");
735: p(etherip_ipackets, "\t%u input ethernet-in-IP packet%s\n");
736: p(etherip_opackets, "\t%u output ethernet-in-IP packet%s\n");
1.34 angelos 737: p(etherip_ibytes, "\t%qu input byte%s\n");
738: p(etherip_obytes, "\t%qu output byte%s\n");
1.10 angelos 739: #undef p
740: }
741:
742: /*
743: * Dump ESP statistics structure.
744: */
745: void
1.63 deraadt 746: esp_stats(u_long off, char *name)
1.10 angelos 747: {
1.55 mickey 748: struct espstat espstat;
1.10 angelos 749:
1.55 mickey 750: if (off == 0)
751: return;
752: kread(off, (char *)&espstat, sizeof (espstat));
753: printf("%s:\n", name);
1.10 angelos 754:
755: #define p(f, m) if (espstat.f || sflag <= 1) \
1.60 deraadt 756: printf(m, espstat.f, plural(espstat.f))
1.10 angelos 757:
1.38 itojun 758: p(esps_input, "\t%u input ESP packet%s\n");
759: p(esps_output, "\t%u output ESP packet%s\n");
1.55 mickey 760: p(esps_nopf, "\t%u packet%s from unsupported protocol families\n");
761: p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
762: p(esps_pdrops, "\t%u packet%s dropped due to policy\n");
763: p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
764: p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
765: p(esps_badenc, "\t%u packet%s with bad encryption received\n");
766: p(esps_badauth, "\t%u packet%s that failed verification received\n");
767: p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
768: p(esps_qfull, "\t%u packet%s were dropped due to full output queue\n");
769: p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
770: p(esps_replay, "\t%u possibly replayed packet%s received\n");
771: p(esps_badilen, "\t%u packet%s with bad payload size or padding received\n");
1.62 jsyn 772: p(esps_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
1.25 niklas 773: p(esps_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.46 angelos 774: p(esps_crypto, "\t%u packet%s that failed crypto processing\n");
1.20 angelos 775: p(esps_ibytes, "\t%qu input byte%s\n");
776: p(esps_obytes, "\t%qu output byte%s\n");
1.10 angelos 777:
778: #undef p
779: }
780:
781: /*
782: * Dump ESP statistics structure.
783: */
784: void
1.63 deraadt 785: ipip_stats(u_long off, char *name)
1.10 angelos 786: {
1.55 mickey 787: struct ipipstat ipipstat;
1.10 angelos 788:
1.55 mickey 789: if (off == 0)
790: return;
791: kread(off, (char *)&ipipstat, sizeof (ipipstat));
792: printf("%s:\n", name);
1.10 angelos 793:
1.45 angelos 794: #define p(f, m) if (ipipstat.f || sflag <= 1) \
1.60 deraadt 795: printf(m, ipipstat.f, plural(ipipstat.f))
1.10 angelos 796:
1.55 mickey 797: p(ipips_ipackets, "\t%u total input packet%s\n");
798: p(ipips_opackets, "\t%u total output packet%s\n");
799: p(ipips_hdrops, "\t%u packet%s shorter than header shows\n");
800: p(ipips_pdrops, "\t%u packet%s dropped due to policy\n");
801: p(ipips_spoof, "\t%u packet%s with possibly spoofed local addresses\n");
802: p(ipips_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.45 angelos 803: p(ipips_ibytes, "\t%qu input byte%s\n");
804: p(ipips_obytes, "\t%qu output byte%s\n");
1.63 deraadt 805: p(ipips_family, "\t%u protocol family mismatche%s\n");
806: p(ipips_unspec, "\t%u attempt%s to use tunnel with unspecified endpoint(s)\n");
1.51 jjbg 807: #undef p
808: }
809:
810: /*
811: * Dump IPCOMP statistics structure.
812: */
813: void
1.63 deraadt 814: ipcomp_stats(u_long off, char *name)
1.51 jjbg 815: {
816: struct ipcompstat ipcompstat;
817:
818: if (off == 0)
819: return;
820: kread(off, (char *)&ipcompstat, sizeof (ipcompstat));
821: printf("%s:\n", name);
822:
823: #define p(f, m) if (ipcompstat.f || sflag <= 1) \
1.60 deraadt 824: printf(m, ipcompstat.f, plural(ipcompstat.f))
1.51 jjbg 825:
826: p(ipcomps_input, "\t%u input IPCOMP packet%s\n");
827: p(ipcomps_output, "\t%u output IPCOMP packet%s\n");
828: p(ipcomps_nopf, "\t%u packet%s from unsupported protocol families\n");
829: p(ipcomps_hdrops, "\t%u packet%s shorter than header shows\n");
830: p(ipcomps_pdrops, "\t%u packet%s dropped due to policy\n");
831: p(ipcomps_notdb, "\t%u packet%s for which no TDB was found\n");
832: p(ipcomps_badkcr, "\t%u input packet%s that failed to be processed\n");
1.55 mickey 833: p(ipcomps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.51 jjbg 834: p(ipcomps_qfull, "\t%u packet%s were dropped due to full output queue\n");
835: p(ipcomps_wrap, "\t%u packet%s where counter wrapping was detected\n");
1.62 jsyn 836: p(ipcomps_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
1.51 jjbg 837: p(ipcomps_toobig, "\t%u packet%s got larger than max IP packet size\n");
838: p(ipcomps_crypto, "\t%u packet%s that failed (de)compression processing\n");
1.64 jason 839: p(ipcomps_minlen, "\t%u packet%s less than minimum compression length\n");
1.51 jjbg 840: p(ipcomps_ibytes, "\t%qu input byte%s\n");
841: p(ipcomps_obytes, "\t%qu output byte%s\n");
842:
1.10 angelos 843: #undef p
1.1 deraadt 844: }
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