Annotation of src/usr.bin/netstat/inet.c, Revision 1.72
1.72 ! markus 1: /* $OpenBSD: inet.c,v 1.71 2003/10/31 09:00:32 mcbride 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
1.72 ! markus 37: static char *rcsid = "$OpenBSD: inet.c,v 1.71 2003/10/31 09:00:32 mcbride 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>
1.69 mcbride 73: #include <netinet/ip_carp.h>
1.1 deraadt 74:
75: #include <arpa/inet.h>
1.18 millert 76: #include <limits.h>
1.1 deraadt 77: #include <netdb.h>
78: #include <stdio.h>
79: #include <string.h>
80: #include <unistd.h>
1.14 dgregor 81: #include <stdlib.h>
1.1 deraadt 82: #include "netstat.h"
83:
1.5 deraadt 84: #include <rpc/rpc.h>
85: #include <rpc/pmap_prot.h>
86: #include <rpc/pmap_clnt.h>
87:
1.1 deraadt 88: struct inpcb inpcb;
89: struct tcpcb tcpcb;
90: struct socket sockb;
91:
1.56 millert 92: static void protopr0(u_long, char *, int);
1.48 itojun 93:
1.56 millert 94: char *inetname(struct in_addr *);
1.63 deraadt 95: void inetprint(struct in_addr *, in_port_t, char *, int);
1.38 itojun 96: #ifdef INET6
1.56 millert 97: char *inet6name(struct in6_addr *);
98: void inet6print(struct in6_addr *, int, char *, int);
1.38 itojun 99: #endif
1.1 deraadt 100:
101: /*
102: * Print a summary of connections related to an Internet
103: * protocol. For TCP, also give state of connection.
104: * Listening processes (aflag) are suppressed unless the
105: * -a (all) flag is specified.
106: */
107: void
1.63 deraadt 108: protopr(u_long off, char *name)
1.1 deraadt 109: {
1.48 itojun 110: protopr0(off, name, AF_INET);
111: }
112:
113: #ifdef INET6
114: void
1.63 deraadt 115: ip6protopr(u_long off, char *name)
1.48 itojun 116: {
117: protopr0(off, name, AF_INET6);
118: }
119: #endif
120:
121: static void
1.63 deraadt 122: protopr0(u_long off, char *name, int af)
1.48 itojun 123: {
1.1 deraadt 124: struct inpcbtable table;
1.54 mpech 125: struct inpcb *head, *next, *prev;
1.1 deraadt 126: struct inpcb inpcb;
1.72 ! markus 127: int istcp, israw;
1.54 mpech 128: int first = 1;
1.38 itojun 129: char *name0;
130: char namebuf[20];
1.1 deraadt 131:
1.38 itojun 132: name0 = name;
1.1 deraadt 133: if (off == 0)
134: return;
135: istcp = strcmp(name, "tcp") == 0;
1.72 ! markus 136: israw = strncmp(name, "ip", 2) == 0;
1.1 deraadt 137: kread(off, (char *)&table, sizeof table);
138: prev = head =
139: (struct inpcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first;
140: next = table.inpt_queue.cqh_first;
141:
142: while (next != head) {
143: kread((u_long)next, (char *)&inpcb, sizeof inpcb);
144: if (inpcb.inp_queue.cqe_prev != prev) {
145: printf("???\n");
146: break;
147: }
148: prev = next;
149: next = inpcb.inp_queue.cqe_next;
1.48 itojun 150:
151: switch (af) {
152: case AF_INET:
153: if ((inpcb.inp_flags & INP_IPV6) != 0)
154: continue;
155: break;
156: case AF_INET6:
157: if ((inpcb.inp_flags & INP_IPV6) == 0)
158: continue;
159: break;
160: default:
161: break;
162: }
1.1 deraadt 163:
164: if (!aflag &&
165: inet_lnaof(inpcb.inp_laddr) == INADDR_ANY)
166: continue;
167: kread((u_long)inpcb.inp_socket, (char *)&sockb, sizeof (sockb));
168: if (istcp) {
169: kread((u_long)inpcb.inp_ppcb,
170: (char *)&tcpcb, sizeof (tcpcb));
171: }
172: if (first) {
173: printf("Active Internet connections");
174: if (aflag)
175: printf(" (including servers)");
176: putchar('\n');
177: if (Aflag)
1.29 deraadt 178: printf("%-*.*s %-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n",
1.18 millert 179: PLEN, PLEN, "PCB", "Proto", "Recv-Q",
1.29 deraadt 180: "Send-Q", "Local Address",
181: "Foreign Address", "(state)");
1.18 millert 182: else
183: printf("%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
184: "Proto", "Recv-Q", "Send-Q",
185: "Local Address", "Foreign Address",
186: "(state)");
1.1 deraadt 187: first = 0;
188: }
1.38 itojun 189: if (Aflag) {
1.1 deraadt 190: if (istcp)
1.18 millert 191: printf("%*p ", PLEN, inpcb.inp_ppcb);
1.1 deraadt 192: else
1.18 millert 193: printf("%*p ", PLEN, prev);
1.38 itojun 194: }
195: #ifdef INET6
1.72 ! markus 196: if (inpcb.inp_flags & INP_IPV6 && !israw) {
1.60 deraadt 197: strlcpy(namebuf, name0, sizeof namebuf);
198: strlcat(namebuf, "6", sizeof namebuf);
1.38 itojun 199: name = namebuf;
200: } else
201: name = name0;
202: #endif
1.16 millert 203: printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc,
1.63 deraadt 204: sockb.so_snd.sb_cc);
1.38 itojun 205: #ifdef INET6
206: if (inpcb.inp_flags & INP_IPV6) {
207: inet6print(&inpcb.inp_laddr6, (int)inpcb.inp_lport,
1.63 deraadt 208: name, 1);
1.38 itojun 209: inet6print(&inpcb.inp_faddr6, (int)inpcb.inp_fport,
1.63 deraadt 210: name, 0);
1.38 itojun 211: } else
212: #endif
213: {
214: inetprint(&inpcb.inp_laddr, (int)inpcb.inp_lport,
1.63 deraadt 215: name, 1);
1.38 itojun 216: inetprint(&inpcb.inp_faddr, (int)inpcb.inp_fport,
1.63 deraadt 217: name, 0);
1.38 itojun 218: }
1.1 deraadt 219: if (istcp) {
220: if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
221: printf(" %d", tcpcb.t_state);
222: else
223: printf(" %s", tcpstates[tcpcb.t_state]);
1.72 ! markus 224: } else if (israw) {
! 225: struct protoent *pe = NULL;
! 226: u_int8_t proto;
! 227: #ifdef INET6
! 228: if (inpcb.inp_flags & INP_IPV6)
! 229: proto = inpcb.inp_ipv6.ip6_nxt;
! 230: else
! 231: #endif
! 232: proto = inpcb.inp_ip.ip_p;
! 233: if (!nflag)
! 234: pe = getprotobynumber(proto);
! 235: if (pe)
! 236: printf(" %s", pe->p_name);
! 237: else
! 238: printf(" %u", proto);
1.1 deraadt 239: }
240: putchar('\n');
241: }
242: }
243:
244: /*
245: * Dump TCP statistics structure.
246: */
247: void
1.63 deraadt 248: tcp_stats(u_long off, char *name)
1.1 deraadt 249: {
250: struct tcpstat tcpstat;
251:
252: if (off == 0)
253: return;
1.63 deraadt 254: printf("%s:\n", name);
1.1 deraadt 255: kread(off, (char *)&tcpstat, sizeof (tcpstat));
256:
257: #define p(f, m) if (tcpstat.f || sflag <= 1) \
1.60 deraadt 258: printf(m, tcpstat.f, plural(tcpstat.f))
1.38 itojun 259: #define p1(f, m) if (tcpstat.f || sflag <= 1) \
1.60 deraadt 260: printf(m, tcpstat.f)
1.1 deraadt 261: #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
1.60 deraadt 262: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
1.38 itojun 263: #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
1.60 deraadt 264: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2)
1.1 deraadt 265: #define p3(f, m) if (tcpstat.f || sflag <= 1) \
1.60 deraadt 266: printf(m, tcpstat.f, plurales(tcpstat.f))
1.1 deraadt 267:
1.38 itojun 268: p(tcps_sndtotal, "\t%u packet%s sent\n");
1.1 deraadt 269: p2(tcps_sndpack,tcps_sndbyte,
1.60 deraadt 270: "\t\t%u data packet%s (%qd byte%s)\n");
1.1 deraadt 271: p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
1.60 deraadt 272: "\t\t%u data packet%s (%qd byte%s) retransmitted\n");
1.26 provos 273: p(tcps_sndrexmitfast, "\t\t%qd fast retransmitted packet%s\n");
1.38 itojun 274: p2a(tcps_sndacks, tcps_delack,
1.60 deraadt 275: "\t\t%u ack-only packet%s (%u delayed)\n");
1.38 itojun 276: p(tcps_sndurg, "\t\t%u URG only packet%s\n");
277: p(tcps_sndprobe, "\t\t%u window probe packet%s\n");
278: p(tcps_sndwinup, "\t\t%u window update packet%s\n");
279: p(tcps_sndctrl, "\t\t%u control packet%s\n");
1.50 angelos 280: p(tcps_outhwcsum, "\t\t%u packet%s hardware-checksummed\n");
1.38 itojun 281: p(tcps_rcvtotal, "\t%u packet%s received\n");
282: p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%u ack%s (for %qd byte%s)\n");
283: p(tcps_rcvdupack, "\t\t%u duplicate ack%s\n");
284: p(tcps_rcvacktoomuch, "\t\t%u ack%s for unsent data\n");
1.1 deraadt 285: p2(tcps_rcvpack, tcps_rcvbyte,
1.60 deraadt 286: "\t\t%u packet%s (%qu byte%s) received in-sequence\n");
1.1 deraadt 287: p2(tcps_rcvduppack, tcps_rcvdupbyte,
1.60 deraadt 288: "\t\t%u completely duplicate packet%s (%qd byte%s)\n");
1.38 itojun 289: p(tcps_pawsdrop, "\t\t%u old duplicate packet%s\n");
1.1 deraadt 290: p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
1.62 jsyn 291: "\t\t%u packet%s with some duplicate data (%qd byte%s duplicated)\n");
1.1 deraadt 292: p2(tcps_rcvoopack, tcps_rcvoobyte,
1.60 deraadt 293: "\t\t%u out-of-order packet%s (%qd byte%s)\n");
1.1 deraadt 294: p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
1.60 deraadt 295: "\t\t%u packet%s (%qd byte%s) of data after window\n");
1.38 itojun 296: p(tcps_rcvwinprobe, "\t\t%u window probe%s\n");
297: p(tcps_rcvwinupd, "\t\t%u window update packet%s\n");
298: p(tcps_rcvafterclose, "\t\t%u packet%s received after close\n");
299: p(tcps_rcvbadsum, "\t\t%u discarded for bad checksum%s\n");
300: p(tcps_rcvbadoff, "\t\t%u discarded for bad header offset field%s\n");
301: p1(tcps_rcvshort, "\t\t%u discarded because packet too short\n");
1.58 miod 302: p1(tcps_rcvnosec, "\t\t%u discarded for missing IPsec protection\n");
1.50 angelos 303: p(tcps_inhwcsum, "\t\t%u packet%s hardware-checksummed\n");
1.38 itojun 304: p(tcps_connattempt, "\t%u connection request%s\n");
305: p(tcps_accepts, "\t%u connection accept%s\n");
306: p(tcps_connects, "\t%u connection%s established (including accepts)\n");
1.1 deraadt 307: p2(tcps_closed, tcps_drops,
1.60 deraadt 308: "\t%u connection%s closed (including %u drop%s)\n");
1.38 itojun 309: p(tcps_conndrops, "\t%u embryonic connection%s dropped\n");
1.1 deraadt 310: p2(tcps_rttupdated, tcps_segstimed,
1.60 deraadt 311: "\t%u segment%s updated rtt (of %u attempt%s)\n");
1.38 itojun 312: p(tcps_rexmttimeo, "\t%u retransmit timeout%s\n");
313: p(tcps_timeoutdrop, "\t\t%u connection%s dropped by rexmit timeout\n");
314: p(tcps_persisttimeo, "\t%u persist timeout%s\n");
315: p(tcps_keeptimeo, "\t%u keepalive timeout%s\n");
316: p(tcps_keepprobe, "\t\t%u keepalive probe%s sent\n");
317: p(tcps_keepdrops, "\t\t%u connection%s dropped by keepalive\n");
318: p(tcps_predack, "\t%u correct ACK header prediction%s\n");
319: p(tcps_preddat, "\t%u correct data packet header prediction%s\n");
320: p3(tcps_pcbhashmiss, "\t%u PCB cache miss%s\n");
321: p(tcps_badsyn, "\t%u SYN packet%s received with same src/dst address/port\n");
1.59 kjc 322:
323: p(tcps_ecn_accepts, "\t%u ECN connection%s accepted\n");
324: p(tcps_ecn_rcvece, "\t\t%u ECE packet%s received\n");
325: p(tcps_ecn_rcvcwr, "\t\t%u CWR packet%s received\n");
326: p(tcps_ecn_rcvce, "\t\t%u CE packet%s received\n");
327: p(tcps_ecn_sndect, "\t\t%u ECT packet%s sent\n");
328: p(tcps_ecn_sndece, "\t\t%u ECE packet%s sent\n");
329: p(tcps_ecn_sndcwr, "\t\t%u CWR packet%s sent\n");
330: p1(tcps_cwr_frecovery, "\t\t\tcwr by fastrecovery: %u\n");
331: p1(tcps_cwr_timeout, "\t\t\tcwr by timeout: %u\n");
332: p1(tcps_cwr_ecn, "\t\t\tcwr by ecn: %u\n");
333:
1.1 deraadt 334: #undef p
1.38 itojun 335: #undef p1
1.1 deraadt 336: #undef p2
1.38 itojun 337: #undef p2a
1.1 deraadt 338: #undef p3
339: }
340:
341: /*
342: * Dump UDP statistics structure.
343: */
344: void
1.63 deraadt 345: udp_stats(u_long off, char *name)
1.1 deraadt 346: {
347: struct udpstat udpstat;
348: u_long delivered;
349:
350: if (off == 0)
351: return;
352: kread(off, (char *)&udpstat, sizeof (udpstat));
353: printf("%s:\n", name);
354: #define p(f, m) if (udpstat.f || sflag <= 1) \
1.60 deraadt 355: printf(m, udpstat.f, plural(udpstat.f))
1.38 itojun 356: #define p1(f, m) if (udpstat.f || sflag <= 1) \
1.60 deraadt 357: printf(m, udpstat.f)
358:
1.16 millert 359: p(udps_ipackets, "\t%lu datagram%s received\n");
1.38 itojun 360: p1(udps_hdrops, "\t%lu with incomplete header\n");
361: p1(udps_badlen, "\t%lu with bad data length field\n");
362: p1(udps_badsum, "\t%lu with bad checksum\n");
363: p1(udps_nosum, "\t%lu with no checksum\n");
1.50 angelos 364: p(udps_inhwcsum, "\t%lu input packet%s hardware-checksummed\n");
365: p(udps_outhwcsum, "\t%lu output packet%s hardware-checksummed\n");
1.38 itojun 366: p1(udps_noport, "\t%lu dropped due to no socket\n");
1.16 millert 367: p(udps_noportbcast, "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
1.58 miod 368: p1(udps_nosec, "\t%lu dropped due to missing IPsec protection\n");
1.38 itojun 369: p1(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
1.60 deraadt 370: delivered = udpstat.udps_ipackets - udpstat.udps_hdrops -
371: udpstat.udps_badlen - udpstat.udps_badsum -
372: udpstat.udps_noport - udpstat.udps_noportbcast -
373: udpstat.udps_fullsock;
1.1 deraadt 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
1.63 deraadt 386: ip_stats(u_long off, char *name)
1.1 deraadt 387: {
388: struct ipstat ipstat;
389:
390: if (off == 0)
391: return;
392: kread(off, (char *)&ipstat, sizeof (ipstat));
393: printf("%s:\n", name);
394:
395: #define p(f, m) if (ipstat.f || sflag <= 1) \
1.60 deraadt 396: printf(m, ipstat.f, plural(ipstat.f))
1.38 itojun 397: #define p1(f, m) if (ipstat.f || sflag <= 1) \
1.60 deraadt 398: printf(m, ipstat.f)
1.1 deraadt 399:
1.16 millert 400: p(ips_total, "\t%lu total packet%s received\n");
401: p(ips_badsum, "\t%lu bad header checksum%s\n");
1.38 itojun 402: p1(ips_toosmall, "\t%lu with size smaller than minimum\n");
403: p1(ips_tooshort, "\t%lu with data size < data length\n");
404: p1(ips_badhlen, "\t%lu with header length < data size\n");
405: p1(ips_badlen, "\t%lu with data length < header length\n");
406: p1(ips_badoptions, "\t%lu with bad options\n");
407: p1(ips_badvers, "\t%lu with incorrect version number\n");
1.16 millert 408: p(ips_fragments, "\t%lu fragment%s received\n");
1.62 jsyn 409: p(ips_fragdropped, "\t%lu fragment%s dropped (duplicates or out of space)\n");
1.16 millert 410: p(ips_badfrags, "\t%lu malformed fragment%s dropped\n");
411: p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
412: p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
413: p(ips_delivered, "\t%lu packet%s for this host\n");
414: p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
415: p(ips_forward, "\t%lu packet%s forwarded\n");
416: p(ips_cantforward, "\t%lu packet%s not forwardable\n");
417: p(ips_redirectsent, "\t%lu redirect%s sent\n");
418: p(ips_localout, "\t%lu packet%s sent from this host\n");
419: p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
420: p(ips_odropped, "\t%lu output packet%s dropped due to no bufs, etc.\n");
421: p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
422: p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
423: p(ips_ofragments, "\t%lu fragment%s created\n");
424: p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
1.38 itojun 425: p1(ips_rcvmemdrop, "\t%lu fragment floods\n");
1.42 itojun 426: p(ips_toolong, "\t%lu packet%s with ip length > max ip packet size\n");
427: p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n");
1.49 itojun 428: p(ips_badaddr, "\t%lu datagram%s with bad address in header\n");
1.50 angelos 429: p(ips_inhwcsum, "\t%lu input datagram%s checksum-processed by hardware\n");
430: p(ips_outhwcsum, "\t%lu output datagram%s checksum-processed by hardware\n");
1.1 deraadt 431: #undef p
1.38 itojun 432: #undef p1
1.1 deraadt 433: }
434:
1.68 tedu 435: static char *icmpnames[ICMP_MAXTYPE + 1] = {
1.1 deraadt 436: "echo reply",
437: "#1",
438: "#2",
439: "destination unreachable",
440: "source quench",
441: "routing redirect",
442: "#6",
443: "#7",
444: "echo",
1.9 deraadt 445: "router advertisement",
446: "router solicitation",
1.1 deraadt 447: "time exceeded",
448: "parameter problem",
449: "time stamp",
450: "time stamp reply",
451: "information request",
452: "information request reply",
453: "address mask request",
454: "address mask reply",
1.68 tedu 455: "#19",
456: "#20",
457: "#21",
458: "#22",
459: "#23",
460: "#24",
461: "#25",
462: "#26",
463: "#27",
464: "#28",
465: "#29",
466: "traceroute",
467: "data conversion error",
468: "mobile host redirect",
469: "IPv6 where-are-you",
470: "IPv6 i-am-here",
471: "mobile registration request",
472: "mobile registration reply",
473: "#37",
474: "#38",
475: "SKIP",
476: "Photuris",
1.1 deraadt 477: };
478:
479: /*
480: * Dump ICMP statistics.
481: */
482: void
1.63 deraadt 483: icmp_stats(u_long off, char *name)
1.1 deraadt 484: {
485: struct icmpstat icmpstat;
1.54 mpech 486: int i, first;
1.1 deraadt 487:
488: if (off == 0)
489: return;
490: kread(off, (char *)&icmpstat, sizeof (icmpstat));
491: printf("%s:\n", name);
492:
493: #define p(f, m) if (icmpstat.f || sflag <= 1) \
1.60 deraadt 494: printf(m, icmpstat.f, plural(icmpstat.f))
1.1 deraadt 495:
1.16 millert 496: p(icps_error, "\t%lu call%s to icmp_error\n");
1.1 deraadt 497: p(icps_oldicmp,
1.61 aaron 498: "\t%lu error%s not generated because old message was icmp\n");
1.1 deraadt 499: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
500: if (icmpstat.icps_outhist[i] != 0) {
501: if (first) {
1.43 itojun 502: printf("\tOutput packet histogram:\n");
1.1 deraadt 503: first = 0;
504: }
1.68 tedu 505: if (icmpnames[i])
506: printf("\t\t%s:", icmpnames[i]);
507: else
508: printf("\t\t#%d:", i);
509: printf(" %lu\n", icmpstat.icps_outhist[i]);
1.1 deraadt 510: }
1.16 millert 511: p(icps_badcode, "\t%lu message%s with bad code fields\n");
512: p(icps_tooshort, "\t%lu message%s < minimum length\n");
513: p(icps_checksum, "\t%lu bad checksum%s\n");
514: p(icps_badlen, "\t%lu message%s with bad length\n");
1.1 deraadt 515: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
516: if (icmpstat.icps_inhist[i] != 0) {
517: if (first) {
1.43 itojun 518: printf("\tInput packet histogram:\n");
1.1 deraadt 519: first = 0;
520: }
1.68 tedu 521: if (icmpnames[i])
522: printf("\t\t%s:", icmpnames[i]);
523: else
524: printf("\t\t#%d:", i);
525: printf(" %lu\n", icmpstat.icps_inhist[i]);
1.1 deraadt 526: }
1.16 millert 527: p(icps_reflect, "\t%lu message response%s generated\n");
1.1 deraadt 528: #undef p
529: }
530:
531: /*
532: * Dump IGMP statistics structure.
533: */
534: void
1.63 deraadt 535: igmp_stats(u_long off, char *name)
1.1 deraadt 536: {
537: struct igmpstat igmpstat;
538:
539: if (off == 0)
540: return;
541: kread(off, (char *)&igmpstat, sizeof (igmpstat));
542: printf("%s:\n", name);
543:
544: #define p(f, m) if (igmpstat.f || sflag <= 1) \
1.60 deraadt 545: printf(m, igmpstat.f, plural(igmpstat.f))
1.1 deraadt 546: #define py(f, m) if (igmpstat.f || sflag <= 1) \
1.60 deraadt 547: printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
548:
1.16 millert 549: p(igps_rcv_total, "\t%lu message%s received\n");
1.55 mickey 550: p(igps_rcv_tooshort, "\t%lu message%s received with too few bytes\n");
551: p(igps_rcv_badsum, "\t%lu message%s received with bad checksum\n");
552: py(igps_rcv_queries, "\t%lu membership quer%s received\n");
553: py(igps_rcv_badqueries, "\t%lu membership quer%s received with invalid field(s)\n");
554: p(igps_rcv_reports, "\t%lu membership report%s received\n");
555: p(igps_rcv_badreports, "\t%lu membership report%s received with invalid field(s)\n");
556: p(igps_rcv_ourreports, "\t%lu membership report%s received for groups to which we belong\n");
557: p(igps_snd_reports, "\t%lu membership report%s sent\n");
1.1 deraadt 558: #undef p
559: #undef py
560: }
561:
1.5 deraadt 562: struct rpcnams {
563: struct rpcnams *next;
1.16 millert 564: in_port_t port;
1.21 deraadt 565: int proto;
1.5 deraadt 566: char *rpcname;
567: };
568:
1.66 deraadt 569: static char *
1.63 deraadt 570: getrpcportnam(in_port_t port, int proto)
1.5 deraadt 571: {
572: struct sockaddr_in server_addr;
1.54 mpech 573: struct hostent *hp;
1.5 deraadt 574: static struct pmaplist *head;
575: int socket = RPC_ANYSOCK;
576: struct timeval minutetimeout;
1.54 mpech 577: CLIENT *client;
1.5 deraadt 578: struct rpcent *rpc;
579: static int first;
580: static struct rpcnams *rpcn;
581: struct rpcnams *n;
1.23 deraadt 582: char num[20];
1.55 mickey 583:
1.5 deraadt 584: if (first == 0) {
585: first = 1;
1.7 deraadt 586: memset((char *)&server_addr, 0, sizeof server_addr);
1.5 deraadt 587: server_addr.sin_family = AF_INET;
588: if ((hp = gethostbyname("localhost")) != NULL)
1.7 deraadt 589: memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
1.5 deraadt 590: hp->h_length);
591: else
592: (void) inet_aton("0.0.0.0", &server_addr.sin_addr);
593:
594: minutetimeout.tv_sec = 60;
595: minutetimeout.tv_usec = 0;
596: server_addr.sin_port = htons(PMAPPORT);
597: if ((client = clnttcp_create(&server_addr, PMAPPROG,
1.7 deraadt 598: PMAPVERS, &socket, 50, 500)) == NULL)
599: return (NULL);
1.5 deraadt 600: if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
1.8 deraadt 601: xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
1.7 deraadt 602: clnt_destroy(client);
603: return (NULL);
1.5 deraadt 604: }
605: for (; head != NULL; head = head->pml_next) {
606: n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
607: if (n == NULL)
608: continue;
609: n->next = rpcn;
610: rpcn = n;
611: n->port = head->pml_map.pm_port;
1.21 deraadt 612: n->proto = head->pml_map.pm_prot;
1.5 deraadt 613:
614: rpc = getrpcbynumber(head->pml_map.pm_prog);
615: if (rpc)
616: n->rpcname = strdup(rpc->r_name);
617: else {
1.23 deraadt 618: snprintf(num, sizeof num, "%ld",
619: head->pml_map.pm_prog);
1.5 deraadt 620: n->rpcname = strdup(num);
621: }
622: }
623: clnt_destroy(client);
624: }
625:
626: for (n = rpcn; n; n = n->next)
1.21 deraadt 627: if (n->port == port && n->proto == proto)
1.5 deraadt 628: return (n->rpcname);
629: return (NULL);
630: }
631:
1.1 deraadt 632: /*
633: * Pretty print an Internet address (net address + port).
634: * If the nflag was specified, use numbers instead of names.
635: */
636: void
1.63 deraadt 637: inetprint(struct in_addr *in, in_port_t port, char *proto, int local)
1.1 deraadt 638: {
639: struct servent *sp = 0;
1.5 deraadt 640: char line[80], *cp, *nam;
1.1 deraadt 641: int width;
642:
1.23 deraadt 643: snprintf(line, sizeof line, "%.*s.", (Aflag && !nflag) ? 12 : 16,
644: inetname(in));
1.4 millert 645: cp = strchr(line, '\0');
1.1 deraadt 646: if (!nflag && port)
647: sp = getservbyport((int)port, proto);
648: if (sp || port == 0)
1.23 deraadt 649: snprintf(cp, line + sizeof line - cp, "%.8s",
650: sp ? sp->s_name : "*");
1.21 deraadt 651: else if (local && !nflag && (nam = getrpcportnam(ntohs(port),
652: (strcmp(proto, "tcp") == 0 ? IPPROTO_TCP : IPPROTO_UDP))))
1.23 deraadt 653: snprintf(cp, line + sizeof line - cp, "%d[%.8s]",
654: ntohs(port), nam);
1.1 deraadt 655: else
1.23 deraadt 656: snprintf(cp, line + sizeof line - cp, "%d", ntohs(port));
1.1 deraadt 657: width = Aflag ? 18 : 22;
658: printf(" %-*.*s", width, width, line);
659: }
660:
661: /*
662: * Construct an Internet address representation.
663: * If the nflag has been supplied, give
664: * numeric value, otherwise try for symbolic name.
665: */
666: char *
1.63 deraadt 667: inetname(struct in_addr *inp)
1.1 deraadt 668: {
1.54 mpech 669: char *cp;
1.1 deraadt 670: static char line[50];
671: struct hostent *hp;
672: struct netent *np;
1.57 mpech 673: static char domain[MAXHOSTNAMELEN];
1.1 deraadt 674: static int first = 1;
675:
676: if (first && !nflag) {
677: first = 0;
1.57 mpech 678: if (gethostname(domain, sizeof(domain)) == 0 &&
1.4 millert 679: (cp = strchr(domain, '.')))
1.60 deraadt 680: (void) strlcpy(domain, cp + 1, sizeof domain);
1.1 deraadt 681: else
1.60 deraadt 682: domain[0] = '\0';
1.1 deraadt 683: }
684: cp = 0;
685: if (!nflag && inp->s_addr != INADDR_ANY) {
686: int net = inet_netof(*inp);
687: int lna = inet_lnaof(*inp);
688:
689: if (lna == INADDR_ANY) {
690: np = getnetbyaddr(net, AF_INET);
691: if (np)
692: cp = np->n_name;
693: }
694: if (cp == 0) {
695: hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
696: if (hp) {
1.4 millert 697: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 698: !strcmp(cp + 1, domain))
699: *cp = 0;
700: cp = hp->h_name;
701: }
702: }
703: }
704: if (inp->s_addr == INADDR_ANY)
1.23 deraadt 705: snprintf(line, sizeof line, "*");
1.1 deraadt 706: else if (cp)
1.23 deraadt 707: snprintf(line, sizeof line, "%s", cp);
1.1 deraadt 708: else {
709: inp->s_addr = ntohl(inp->s_addr);
710: #define C(x) ((x) & 0xff)
1.23 deraadt 711: snprintf(line, sizeof line, "%u.%u.%u.%u",
712: C(inp->s_addr >> 24), C(inp->s_addr >> 16),
713: C(inp->s_addr >> 8), C(inp->s_addr));
1.1 deraadt 714: }
715: return (line);
1.10 angelos 716: }
717:
718: /*
719: * Dump AH statistics structure.
720: */
721: void
1.63 deraadt 722: ah_stats(u_long off, char *name)
1.10 angelos 723: {
1.55 mickey 724: struct ahstat ahstat;
1.10 angelos 725:
1.55 mickey 726: if (off == 0)
727: return;
728: kread(off, (char *)&ahstat, sizeof (ahstat));
729: printf("%s:\n", name);
1.10 angelos 730:
731: #define p(f, m) if (ahstat.f || sflag <= 1) \
1.60 deraadt 732: printf(m, ahstat.f, plural(ahstat.f))
1.38 itojun 733: #define p1(f, m) if (ahstat.f || sflag <= 1) \
1.60 deraadt 734: printf(m, ahstat.f)
1.10 angelos 735:
1.38 itojun 736: p1(ahs_input, "\t%u input AH packets\n");
737: p1(ahs_output, "\t%u output AH packets\n");
1.55 mickey 738: p(ahs_nopf, "\t%u packet%s from unsupported protocol families\n");
739: p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
740: p(ahs_pdrops, "\t%u packet%s dropped due to policy\n");
741: p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
742: p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
743: p(ahs_badauth, "\t%u packet%s that failed verification received\n");
744: p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
745: p(ahs_qfull, "\t%u packet%s were dropped due to full output queue\n");
746: p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
747: p(ahs_replay, "\t%u possibly replayed packet%s received\n");
748: p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
1.62 jsyn 749: p(ahs_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
1.25 niklas 750: p(ahs_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.46 angelos 751: p(ahs_crypto, "\t%u packet%s that failed crypto processing\n");
1.20 angelos 752: p(ahs_ibytes, "\t%qu input byte%s\n");
753: p(ahs_obytes, "\t%qu output byte%s\n");
754:
1.34 angelos 755: #undef p
1.38 itojun 756: #undef p1
1.34 angelos 757: }
758:
759: /*
760: * Dump etherip statistics structure.
761: */
762: void
1.63 deraadt 763: etherip_stats(u_long off, char *name)
1.34 angelos 764: {
1.55 mickey 765: struct etheripstat etheripstat;
1.34 angelos 766:
1.55 mickey 767: if (off == 0)
768: return;
769: kread(off, (char *)ðeripstat, sizeof (etheripstat));
770: printf("%s:\n", name);
1.34 angelos 771:
772: #define p(f, m) if (etheripstat.f || sflag <= 1) \
1.60 deraadt 773: printf(m, etheripstat.f, plural(etheripstat.f))
1.34 angelos 774:
1.53 brian 775: p(etherip_hdrops, "\t%u packet%s shorter than header shows\n");
776: p(etherip_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.34 angelos 777: p(etherip_noifdrops, "\t%u packet%s were dropped because of no interface/bridge information\n");
1.53 brian 778: p(etherip_pdrops, "\t%u packet%s dropped due to policy\n");
779: p(etherip_adrops, "\t%u packet%s dropped for other reasons\n");
780: p(etherip_ipackets, "\t%u input ethernet-in-IP packet%s\n");
781: p(etherip_opackets, "\t%u output ethernet-in-IP packet%s\n");
1.34 angelos 782: p(etherip_ibytes, "\t%qu input byte%s\n");
783: p(etherip_obytes, "\t%qu output byte%s\n");
1.10 angelos 784: #undef p
785: }
786:
787: /*
788: * Dump ESP statistics structure.
789: */
790: void
1.63 deraadt 791: esp_stats(u_long off, char *name)
1.10 angelos 792: {
1.55 mickey 793: struct espstat espstat;
1.10 angelos 794:
1.55 mickey 795: if (off == 0)
796: return;
797: kread(off, (char *)&espstat, sizeof (espstat));
798: printf("%s:\n", name);
1.10 angelos 799:
800: #define p(f, m) if (espstat.f || sflag <= 1) \
1.60 deraadt 801: printf(m, espstat.f, plural(espstat.f))
1.10 angelos 802:
1.38 itojun 803: p(esps_input, "\t%u input ESP packet%s\n");
804: p(esps_output, "\t%u output ESP packet%s\n");
1.55 mickey 805: p(esps_nopf, "\t%u packet%s from unsupported protocol families\n");
806: p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
807: p(esps_pdrops, "\t%u packet%s dropped due to policy\n");
808: p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
809: p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
810: p(esps_badenc, "\t%u packet%s with bad encryption received\n");
811: p(esps_badauth, "\t%u packet%s that failed verification received\n");
812: p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
813: p(esps_qfull, "\t%u packet%s were dropped due to full output queue\n");
814: p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
815: p(esps_replay, "\t%u possibly replayed packet%s received\n");
816: p(esps_badilen, "\t%u packet%s with bad payload size or padding received\n");
1.62 jsyn 817: p(esps_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
1.25 niklas 818: p(esps_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.46 angelos 819: p(esps_crypto, "\t%u packet%s that failed crypto processing\n");
1.20 angelos 820: p(esps_ibytes, "\t%qu input byte%s\n");
821: p(esps_obytes, "\t%qu output byte%s\n");
1.10 angelos 822:
823: #undef p
824: }
825:
826: /*
1.67 deraadt 827: * Dump IP-in-IP statistics structure.
1.10 angelos 828: */
829: void
1.63 deraadt 830: ipip_stats(u_long off, char *name)
1.10 angelos 831: {
1.55 mickey 832: struct ipipstat ipipstat;
1.10 angelos 833:
1.55 mickey 834: if (off == 0)
835: return;
836: kread(off, (char *)&ipipstat, sizeof (ipipstat));
837: printf("%s:\n", name);
1.10 angelos 838:
1.45 angelos 839: #define p(f, m) if (ipipstat.f || sflag <= 1) \
1.60 deraadt 840: printf(m, ipipstat.f, plural(ipipstat.f))
1.10 angelos 841:
1.55 mickey 842: p(ipips_ipackets, "\t%u total input packet%s\n");
843: p(ipips_opackets, "\t%u total output packet%s\n");
844: p(ipips_hdrops, "\t%u packet%s shorter than header shows\n");
845: p(ipips_pdrops, "\t%u packet%s dropped due to policy\n");
846: p(ipips_spoof, "\t%u packet%s with possibly spoofed local addresses\n");
847: p(ipips_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.45 angelos 848: p(ipips_ibytes, "\t%qu input byte%s\n");
849: p(ipips_obytes, "\t%qu output byte%s\n");
1.63 deraadt 850: p(ipips_family, "\t%u protocol family mismatche%s\n");
851: p(ipips_unspec, "\t%u attempt%s to use tunnel with unspecified endpoint(s)\n");
1.69 mcbride 852: #undef p
853: }
854:
855: /*
856: * Dump CARP statistics structure.
857: */
858: void
859: carp_stats(u_long off, char *name)
860: {
861: struct carpstats carpstat;
862:
863: if (off == 0)
864: return;
865: kread(off, (char *)&carpstat, sizeof(carpstat));
866: printf("%s:\n", name);
867:
868: #define p(f, m) if (carpstat.f || sflag <= 1) \
869: printf(m, carpstat.f, plural(carpstat.f))
870: #define p2(f, m) if (carpstat.f || sflag <= 1) \
871: printf(m, carpstat.f)
872:
1.71 mcbride 873: p(carps_ipackets, "\t%u packet%s received (IPv4)\n");
874: p(carps_ipackets6, "\t%u packet%s received (IPv6)\n");
1.69 mcbride 875: p(carps_hdrops, "\t\t%u packet%s shorter than header\n");
876: p(carps_badsum, "\t\t%u discarded for bad checksum%s\n");
877: p(carps_badver, "\t\t%u discarded packet%s with a bad version\n");
878: p2(carps_badlen, "\t\t%u discarded because packet too short\n");
879: p2(carps_badauth, "\t\t%u discarded for bad authentication\n");
880: p2(carps_badvhid, "\t\t%u discarded for bad vhid\n");
881: p2(carps_badaddrs, "\t\t%u discarded because of a bad address list\n");
1.71 mcbride 882: p(carps_opackets, "\t%u packet%s sent (IPv4)\n");
883: p(carps_opackets6, "\t%u packet%s sent (IPv6)\n");
1.69 mcbride 884: #if notyet
885: p(carps_ostates, "\t\t%s state update%s sent\n");
886: #endif
1.51 jjbg 887: #undef p
1.70 mcbride 888: #undef p2
1.51 jjbg 889: }
890:
891: /*
892: * Dump IPCOMP statistics structure.
893: */
894: void
1.63 deraadt 895: ipcomp_stats(u_long off, char *name)
1.51 jjbg 896: {
897: struct ipcompstat ipcompstat;
898:
899: if (off == 0)
900: return;
901: kread(off, (char *)&ipcompstat, sizeof (ipcompstat));
902: printf("%s:\n", name);
903:
904: #define p(f, m) if (ipcompstat.f || sflag <= 1) \
1.60 deraadt 905: printf(m, ipcompstat.f, plural(ipcompstat.f))
1.51 jjbg 906:
907: p(ipcomps_input, "\t%u input IPCOMP packet%s\n");
908: p(ipcomps_output, "\t%u output IPCOMP packet%s\n");
909: p(ipcomps_nopf, "\t%u packet%s from unsupported protocol families\n");
910: p(ipcomps_hdrops, "\t%u packet%s shorter than header shows\n");
911: p(ipcomps_pdrops, "\t%u packet%s dropped due to policy\n");
912: p(ipcomps_notdb, "\t%u packet%s for which no TDB was found\n");
913: p(ipcomps_badkcr, "\t%u input packet%s that failed to be processed\n");
1.55 mickey 914: p(ipcomps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.51 jjbg 915: p(ipcomps_qfull, "\t%u packet%s were dropped due to full output queue\n");
916: p(ipcomps_wrap, "\t%u packet%s where counter wrapping was detected\n");
1.62 jsyn 917: p(ipcomps_invalid, "\t%u packet%s attempted to use an invalid TDB\n");
1.51 jjbg 918: p(ipcomps_toobig, "\t%u packet%s got larger than max IP packet size\n");
919: p(ipcomps_crypto, "\t%u packet%s that failed (de)compression processing\n");
1.64 jason 920: p(ipcomps_minlen, "\t%u packet%s less than minimum compression length\n");
1.51 jjbg 921: p(ipcomps_ibytes, "\t%qu input byte%s\n");
922: p(ipcomps_obytes, "\t%qu output byte%s\n");
923:
1.10 angelos 924: #undef p
1.1 deraadt 925: }
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