Annotation of src/usr.bin/netstat/inet.c, Revision 1.68
1.68 ! tedu 1: /* $OpenBSD: inet.c,v 1.67 2003/09/04 03:20:17 deraadt 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
1.68 ! tedu 37: static char *rcsid = "$OpenBSD: inet.c,v 1.67 2003/09/04 03:20:17 deraadt 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:
1.68 ! tedu 418: static char *icmpnames[ICMP_MAXTYPE + 1] = {
1.1 deraadt 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",
1.68 ! tedu 438: "#19",
! 439: "#20",
! 440: "#21",
! 441: "#22",
! 442: "#23",
! 443: "#24",
! 444: "#25",
! 445: "#26",
! 446: "#27",
! 447: "#28",
! 448: "#29",
! 449: "traceroute",
! 450: "data conversion error",
! 451: "mobile host redirect",
! 452: "IPv6 where-are-you",
! 453: "IPv6 i-am-here",
! 454: "mobile registration request",
! 455: "mobile registration reply",
! 456: "#37",
! 457: "#38",
! 458: "SKIP",
! 459: "Photuris",
1.1 deraadt 460: };
461:
462: /*
463: * Dump ICMP statistics.
464: */
465: void
1.63 deraadt 466: icmp_stats(u_long off, char *name)
1.1 deraadt 467: {
468: struct icmpstat icmpstat;
1.54 mpech 469: int i, first;
1.1 deraadt 470:
471: if (off == 0)
472: return;
473: kread(off, (char *)&icmpstat, sizeof (icmpstat));
474: printf("%s:\n", name);
475:
476: #define p(f, m) if (icmpstat.f || sflag <= 1) \
1.60 deraadt 477: printf(m, icmpstat.f, plural(icmpstat.f))
1.1 deraadt 478:
1.16 millert 479: p(icps_error, "\t%lu call%s to icmp_error\n");
1.1 deraadt 480: p(icps_oldicmp,
1.61 aaron 481: "\t%lu error%s not generated because old message was icmp\n");
1.1 deraadt 482: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
483: if (icmpstat.icps_outhist[i] != 0) {
484: if (first) {
1.43 itojun 485: printf("\tOutput packet histogram:\n");
1.1 deraadt 486: first = 0;
487: }
1.68 ! tedu 488: if (icmpnames[i])
! 489: printf("\t\t%s:", icmpnames[i]);
! 490: else
! 491: printf("\t\t#%d:", i);
! 492: printf(" %lu\n", icmpstat.icps_outhist[i]);
1.1 deraadt 493: }
1.16 millert 494: p(icps_badcode, "\t%lu message%s with bad code fields\n");
495: p(icps_tooshort, "\t%lu message%s < minimum length\n");
496: p(icps_checksum, "\t%lu bad checksum%s\n");
497: p(icps_badlen, "\t%lu message%s with bad length\n");
1.1 deraadt 498: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
499: if (icmpstat.icps_inhist[i] != 0) {
500: if (first) {
1.43 itojun 501: printf("\tInput packet histogram:\n");
1.1 deraadt 502: first = 0;
503: }
1.68 ! tedu 504: if (icmpnames[i])
! 505: printf("\t\t%s:", icmpnames[i]);
! 506: else
! 507: printf("\t\t#%d:", i);
! 508: printf(" %lu\n", icmpstat.icps_inhist[i]);
1.1 deraadt 509: }
1.16 millert 510: p(icps_reflect, "\t%lu message response%s generated\n");
1.1 deraadt 511: #undef p
512: }
513:
514: /*
515: * Dump IGMP statistics structure.
516: */
517: void
1.63 deraadt 518: igmp_stats(u_long off, char *name)
1.1 deraadt 519: {
520: struct igmpstat igmpstat;
521:
522: if (off == 0)
523: return;
524: kread(off, (char *)&igmpstat, sizeof (igmpstat));
525: printf("%s:\n", name);
526:
527: #define p(f, m) if (igmpstat.f || sflag <= 1) \
1.60 deraadt 528: printf(m, igmpstat.f, plural(igmpstat.f))
1.1 deraadt 529: #define py(f, m) if (igmpstat.f || sflag <= 1) \
1.60 deraadt 530: printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
531:
1.16 millert 532: p(igps_rcv_total, "\t%lu message%s received\n");
1.55 mickey 533: p(igps_rcv_tooshort, "\t%lu message%s received with too few bytes\n");
534: p(igps_rcv_badsum, "\t%lu message%s received with bad checksum\n");
535: py(igps_rcv_queries, "\t%lu membership quer%s received\n");
536: py(igps_rcv_badqueries, "\t%lu membership quer%s received with invalid field(s)\n");
537: p(igps_rcv_reports, "\t%lu membership report%s received\n");
538: p(igps_rcv_badreports, "\t%lu membership report%s received with invalid field(s)\n");
539: p(igps_rcv_ourreports, "\t%lu membership report%s received for groups to which we belong\n");
540: p(igps_snd_reports, "\t%lu membership report%s sent\n");
1.1 deraadt 541: #undef p
542: #undef py
543: }
544:
1.5 deraadt 545: struct rpcnams {
546: struct rpcnams *next;
1.16 millert 547: in_port_t port;
1.21 deraadt 548: int proto;
1.5 deraadt 549: char *rpcname;
550: };
551:
1.66 deraadt 552: static char *
1.63 deraadt 553: getrpcportnam(in_port_t port, int proto)
1.5 deraadt 554: {
555: struct sockaddr_in server_addr;
1.54 mpech 556: struct hostent *hp;
1.5 deraadt 557: static struct pmaplist *head;
558: int socket = RPC_ANYSOCK;
559: struct timeval minutetimeout;
1.54 mpech 560: CLIENT *client;
1.5 deraadt 561: struct rpcent *rpc;
562: static int first;
563: static struct rpcnams *rpcn;
564: struct rpcnams *n;
1.23 deraadt 565: char num[20];
1.55 mickey 566:
1.5 deraadt 567: if (first == 0) {
568: first = 1;
1.7 deraadt 569: memset((char *)&server_addr, 0, sizeof server_addr);
1.5 deraadt 570: server_addr.sin_family = AF_INET;
571: if ((hp = gethostbyname("localhost")) != NULL)
1.7 deraadt 572: memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
1.5 deraadt 573: hp->h_length);
574: else
575: (void) inet_aton("0.0.0.0", &server_addr.sin_addr);
576:
577: minutetimeout.tv_sec = 60;
578: minutetimeout.tv_usec = 0;
579: server_addr.sin_port = htons(PMAPPORT);
580: if ((client = clnttcp_create(&server_addr, PMAPPROG,
1.7 deraadt 581: PMAPVERS, &socket, 50, 500)) == NULL)
582: return (NULL);
1.5 deraadt 583: if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
1.8 deraadt 584: xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
1.7 deraadt 585: clnt_destroy(client);
586: return (NULL);
1.5 deraadt 587: }
588: for (; head != NULL; head = head->pml_next) {
589: n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
590: if (n == NULL)
591: continue;
592: n->next = rpcn;
593: rpcn = n;
594: n->port = head->pml_map.pm_port;
1.21 deraadt 595: n->proto = head->pml_map.pm_prot;
1.5 deraadt 596:
597: rpc = getrpcbynumber(head->pml_map.pm_prog);
598: if (rpc)
599: n->rpcname = strdup(rpc->r_name);
600: else {
1.23 deraadt 601: snprintf(num, sizeof num, "%ld",
602: head->pml_map.pm_prog);
1.5 deraadt 603: n->rpcname = strdup(num);
604: }
605: }
606: clnt_destroy(client);
607: }
608:
609: for (n = rpcn; n; n = n->next)
1.21 deraadt 610: if (n->port == port && n->proto == proto)
1.5 deraadt 611: return (n->rpcname);
612: return (NULL);
613: }
614:
1.1 deraadt 615: /*
616: * Pretty print an Internet address (net address + port).
617: * If the nflag was specified, use numbers instead of names.
618: */
619: void
1.63 deraadt 620: inetprint(struct in_addr *in, in_port_t port, char *proto, 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 *
1.63 deraadt 650: inetname(struct in_addr *inp)
1.1 deraadt 651: {
1.54 mpech 652: char *cp;
1.1 deraadt 653: static char line[50];
654: struct hostent *hp;
655: struct netent *np;
1.57 mpech 656: static char domain[MAXHOSTNAMELEN];
1.1 deraadt 657: static int first = 1;
658:
659: if (first && !nflag) {
660: first = 0;
1.57 mpech 661: if (gethostname(domain, sizeof(domain)) == 0 &&
1.4 millert 662: (cp = strchr(domain, '.')))
1.60 deraadt 663: (void) strlcpy(domain, cp + 1, sizeof domain);
1.1 deraadt 664: else
1.60 deraadt 665: domain[0] = '\0';
1.1 deraadt 666: }
667: cp = 0;
668: if (!nflag && inp->s_addr != INADDR_ANY) {
669: int net = inet_netof(*inp);
670: int lna = inet_lnaof(*inp);
671:
672: if (lna == INADDR_ANY) {
673: np = getnetbyaddr(net, AF_INET);
674: if (np)
675: cp = np->n_name;
676: }
677: if (cp == 0) {
678: hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
679: if (hp) {
1.4 millert 680: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 681: !strcmp(cp + 1, domain))
682: *cp = 0;
683: cp = hp->h_name;
684: }
685: }
686: }
687: if (inp->s_addr == INADDR_ANY)
1.23 deraadt 688: snprintf(line, sizeof line, "*");
1.1 deraadt 689: else if (cp)
1.23 deraadt 690: snprintf(line, sizeof line, "%s", cp);
1.1 deraadt 691: else {
692: inp->s_addr = ntohl(inp->s_addr);
693: #define C(x) ((x) & 0xff)
1.23 deraadt 694: snprintf(line, sizeof line, "%u.%u.%u.%u",
695: C(inp->s_addr >> 24), C(inp->s_addr >> 16),
696: C(inp->s_addr >> 8), C(inp->s_addr));
1.1 deraadt 697: }
698: return (line);
1.10 angelos 699: }
700:
701: /*
702: * Dump AH statistics structure.
703: */
704: void
1.63 deraadt 705: ah_stats(u_long off, char *name)
1.10 angelos 706: {
1.55 mickey 707: struct ahstat ahstat;
1.10 angelos 708:
1.55 mickey 709: if (off == 0)
710: return;
711: kread(off, (char *)&ahstat, sizeof (ahstat));
712: printf("%s:\n", name);
1.10 angelos 713:
714: #define p(f, m) if (ahstat.f || sflag <= 1) \
1.60 deraadt 715: printf(m, ahstat.f, plural(ahstat.f))
1.38 itojun 716: #define p1(f, m) if (ahstat.f || sflag <= 1) \
1.60 deraadt 717: printf(m, ahstat.f)
1.10 angelos 718:
1.38 itojun 719: p1(ahs_input, "\t%u input AH packets\n");
720: p1(ahs_output, "\t%u output AH packets\n");
1.55 mickey 721: p(ahs_nopf, "\t%u packet%s from unsupported protocol families\n");
722: p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
723: p(ahs_pdrops, "\t%u packet%s dropped due to policy\n");
724: p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
725: p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
726: p(ahs_badauth, "\t%u packet%s that failed verification received\n");
727: p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
728: p(ahs_qfull, "\t%u packet%s were dropped due to full output queue\n");
729: p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
730: p(ahs_replay, "\t%u possibly replayed packet%s received\n");
731: p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
1.62 jsyn 732: p(ahs_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
1.25 niklas 733: p(ahs_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.46 angelos 734: p(ahs_crypto, "\t%u packet%s that failed crypto processing\n");
1.20 angelos 735: p(ahs_ibytes, "\t%qu input byte%s\n");
736: p(ahs_obytes, "\t%qu output byte%s\n");
737:
1.34 angelos 738: #undef p
1.38 itojun 739: #undef p1
1.34 angelos 740: }
741:
742: /*
743: * Dump etherip statistics structure.
744: */
745: void
1.63 deraadt 746: etherip_stats(u_long off, char *name)
1.34 angelos 747: {
1.55 mickey 748: struct etheripstat etheripstat;
1.34 angelos 749:
1.55 mickey 750: if (off == 0)
751: return;
752: kread(off, (char *)ðeripstat, sizeof (etheripstat));
753: printf("%s:\n", name);
1.34 angelos 754:
755: #define p(f, m) if (etheripstat.f || sflag <= 1) \
1.60 deraadt 756: printf(m, etheripstat.f, plural(etheripstat.f))
1.34 angelos 757:
1.53 brian 758: p(etherip_hdrops, "\t%u packet%s shorter than header shows\n");
759: p(etherip_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.34 angelos 760: p(etherip_noifdrops, "\t%u packet%s were dropped because of no interface/bridge information\n");
1.53 brian 761: p(etherip_pdrops, "\t%u packet%s dropped due to policy\n");
762: p(etherip_adrops, "\t%u packet%s dropped for other reasons\n");
763: p(etherip_ipackets, "\t%u input ethernet-in-IP packet%s\n");
764: p(etherip_opackets, "\t%u output ethernet-in-IP packet%s\n");
1.34 angelos 765: p(etherip_ibytes, "\t%qu input byte%s\n");
766: p(etherip_obytes, "\t%qu output byte%s\n");
1.10 angelos 767: #undef p
768: }
769:
770: /*
771: * Dump ESP statistics structure.
772: */
773: void
1.63 deraadt 774: esp_stats(u_long off, char *name)
1.10 angelos 775: {
1.55 mickey 776: struct espstat espstat;
1.10 angelos 777:
1.55 mickey 778: if (off == 0)
779: return;
780: kread(off, (char *)&espstat, sizeof (espstat));
781: printf("%s:\n", name);
1.10 angelos 782:
783: #define p(f, m) if (espstat.f || sflag <= 1) \
1.60 deraadt 784: printf(m, espstat.f, plural(espstat.f))
1.10 angelos 785:
1.38 itojun 786: p(esps_input, "\t%u input ESP packet%s\n");
787: p(esps_output, "\t%u output ESP packet%s\n");
1.55 mickey 788: p(esps_nopf, "\t%u packet%s from unsupported protocol families\n");
789: p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
790: p(esps_pdrops, "\t%u packet%s dropped due to policy\n");
791: p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
792: p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
793: p(esps_badenc, "\t%u packet%s with bad encryption received\n");
794: p(esps_badauth, "\t%u packet%s that failed verification received\n");
795: p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
796: p(esps_qfull, "\t%u packet%s were dropped due to full output queue\n");
797: p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
798: p(esps_replay, "\t%u possibly replayed packet%s received\n");
799: p(esps_badilen, "\t%u packet%s with bad payload size or padding received\n");
1.62 jsyn 800: p(esps_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
1.25 niklas 801: p(esps_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.46 angelos 802: p(esps_crypto, "\t%u packet%s that failed crypto processing\n");
1.20 angelos 803: p(esps_ibytes, "\t%qu input byte%s\n");
804: p(esps_obytes, "\t%qu output byte%s\n");
1.10 angelos 805:
806: #undef p
807: }
808:
809: /*
1.67 deraadt 810: * Dump IP-in-IP statistics structure.
1.10 angelos 811: */
812: void
1.63 deraadt 813: ipip_stats(u_long off, char *name)
1.10 angelos 814: {
1.55 mickey 815: struct ipipstat ipipstat;
1.10 angelos 816:
1.55 mickey 817: if (off == 0)
818: return;
819: kread(off, (char *)&ipipstat, sizeof (ipipstat));
820: printf("%s:\n", name);
1.10 angelos 821:
1.45 angelos 822: #define p(f, m) if (ipipstat.f || sflag <= 1) \
1.60 deraadt 823: printf(m, ipipstat.f, plural(ipipstat.f))
1.10 angelos 824:
1.55 mickey 825: p(ipips_ipackets, "\t%u total input packet%s\n");
826: p(ipips_opackets, "\t%u total output packet%s\n");
827: p(ipips_hdrops, "\t%u packet%s shorter than header shows\n");
828: p(ipips_pdrops, "\t%u packet%s dropped due to policy\n");
829: p(ipips_spoof, "\t%u packet%s with possibly spoofed local addresses\n");
830: p(ipips_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.45 angelos 831: p(ipips_ibytes, "\t%qu input byte%s\n");
832: p(ipips_obytes, "\t%qu output byte%s\n");
1.63 deraadt 833: p(ipips_family, "\t%u protocol family mismatche%s\n");
834: p(ipips_unspec, "\t%u attempt%s to use tunnel with unspecified endpoint(s)\n");
1.51 jjbg 835: #undef p
836: }
837:
838: /*
839: * Dump IPCOMP statistics structure.
840: */
841: void
1.63 deraadt 842: ipcomp_stats(u_long off, char *name)
1.51 jjbg 843: {
844: struct ipcompstat ipcompstat;
845:
846: if (off == 0)
847: return;
848: kread(off, (char *)&ipcompstat, sizeof (ipcompstat));
849: printf("%s:\n", name);
850:
851: #define p(f, m) if (ipcompstat.f || sflag <= 1) \
1.60 deraadt 852: printf(m, ipcompstat.f, plural(ipcompstat.f))
1.51 jjbg 853:
854: p(ipcomps_input, "\t%u input IPCOMP packet%s\n");
855: p(ipcomps_output, "\t%u output IPCOMP packet%s\n");
856: p(ipcomps_nopf, "\t%u packet%s from unsupported protocol families\n");
857: p(ipcomps_hdrops, "\t%u packet%s shorter than header shows\n");
858: p(ipcomps_pdrops, "\t%u packet%s dropped due to policy\n");
859: p(ipcomps_notdb, "\t%u packet%s for which no TDB was found\n");
860: p(ipcomps_badkcr, "\t%u input packet%s that failed to be processed\n");
1.55 mickey 861: p(ipcomps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.51 jjbg 862: p(ipcomps_qfull, "\t%u packet%s were dropped due to full output queue\n");
863: p(ipcomps_wrap, "\t%u packet%s where counter wrapping was detected\n");
1.62 jsyn 864: p(ipcomps_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
1.51 jjbg 865: p(ipcomps_toobig, "\t%u packet%s got larger than max IP packet size\n");
866: p(ipcomps_crypto, "\t%u packet%s that failed (de)compression processing\n");
1.64 jason 867: p(ipcomps_minlen, "\t%u packet%s less than minimum compression length\n");
1.51 jjbg 868: p(ipcomps_ibytes, "\t%qu input byte%s\n");
869: p(ipcomps_obytes, "\t%qu output byte%s\n");
870:
1.10 angelos 871: #undef p
1.1 deraadt 872: }
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