Annotation of src/usr.bin/netstat/inet.c, Revision 1.45
1.45 ! angelos 1: /* $OpenBSD: inet.c,v 1.44 2000/01/09 23:44:03 angelos Exp $ */
1.1 deraadt 2: /* $NetBSD: inet.c,v 1.14 1995/10/03 21:42:37 thorpej Exp $ */
3:
4: /*
5: * Copyright (c) 1983, 1988, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: #if 0
39: static char sccsid[] = "from: @(#)inet.c 8.4 (Berkeley) 4/20/94";
40: #else
1.45 ! angelos 41: static char *rcsid = "$OpenBSD: inet.c,v 1.44 2000/01/09 23:44:03 angelos Exp $";
1.1 deraadt 42: #endif
43: #endif /* not lint */
44:
45: #include <sys/param.h>
46: #include <sys/queue.h>
47: #include <sys/socket.h>
48: #include <sys/socketvar.h>
49: #include <sys/mbuf.h>
50: #include <sys/protosw.h>
51:
52: #include <net/route.h>
53: #include <netinet/in.h>
54: #include <netinet/in_systm.h>
55: #include <netinet/ip.h>
56: #include <netinet/in_pcb.h>
57: #include <netinet/ip_icmp.h>
58: #include <netinet/icmp_var.h>
59: #include <netinet/igmp_var.h>
60: #include <netinet/ip_var.h>
61: #include <netinet/tcp.h>
62: #include <netinet/tcpip.h>
63: #include <netinet/tcp_seq.h>
64: #define TCPSTATES
65: #include <netinet/tcp_fsm.h>
66: #include <netinet/tcp_timer.h>
67: #include <netinet/tcp_var.h>
68: #include <netinet/tcp_debug.h>
69: #include <netinet/udp.h>
70: #include <netinet/udp_var.h>
1.30 angelos 71: #include <netinet/ip_ipsp.h>
1.10 angelos 72: #include <netinet/ip_ah.h>
73: #include <netinet/ip_esp.h>
1.45 ! angelos 74: #include <netinet/ip_ipip.h>
1.34 angelos 75: #include <netinet/ip_ether.h>
1.1 deraadt 76:
77: #include <arpa/inet.h>
1.18 millert 78: #include <limits.h>
1.1 deraadt 79: #include <netdb.h>
80: #include <stdio.h>
81: #include <string.h>
82: #include <unistd.h>
1.14 dgregor 83: #include <stdlib.h>
1.1 deraadt 84: #include "netstat.h"
85:
1.5 deraadt 86: #include <rpc/rpc.h>
87: #include <rpc/pmap_prot.h>
88: #include <rpc/pmap_clnt.h>
89:
1.1 deraadt 90: struct inpcb inpcb;
91: struct tcpcb tcpcb;
92: struct socket sockb;
93:
94: char *inetname __P((struct in_addr *));
1.5 deraadt 95: void inetprint __P((struct in_addr *, int, char *, int));
1.38 itojun 96: #ifdef INET6
97: char *inet6name __P((struct in6_addr *));
98: void inet6print __P((struct in6_addr *, int, char *, int));
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
108: protopr(off, name)
109: u_long off;
110: char *name;
111: {
112: struct inpcbtable table;
113: register struct inpcb *head, *next, *prev;
114: struct inpcb inpcb;
115: int istcp;
116: static int first = 1;
1.38 itojun 117: char *name0;
118: char namebuf[20];
1.1 deraadt 119:
1.38 itojun 120: name0 = name;
1.1 deraadt 121: if (off == 0)
122: return;
123: istcp = strcmp(name, "tcp") == 0;
124: kread(off, (char *)&table, sizeof table);
125: prev = head =
126: (struct inpcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first;
127: next = table.inpt_queue.cqh_first;
128:
129: while (next != head) {
130: kread((u_long)next, (char *)&inpcb, sizeof inpcb);
131: if (inpcb.inp_queue.cqe_prev != prev) {
132: printf("???\n");
133: break;
134: }
135: prev = next;
136: next = inpcb.inp_queue.cqe_next;
137:
138: if (!aflag &&
139: inet_lnaof(inpcb.inp_laddr) == INADDR_ANY)
140: continue;
141: kread((u_long)inpcb.inp_socket, (char *)&sockb, sizeof (sockb));
142: if (istcp) {
143: kread((u_long)inpcb.inp_ppcb,
144: (char *)&tcpcb, sizeof (tcpcb));
145: }
146: if (first) {
147: printf("Active Internet connections");
148: if (aflag)
149: printf(" (including servers)");
150: putchar('\n');
151: if (Aflag)
1.29 deraadt 152: printf("%-*.*s %-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n",
1.18 millert 153: PLEN, PLEN, "PCB", "Proto", "Recv-Q",
1.29 deraadt 154: "Send-Q", "Local Address",
155: "Foreign Address", "(state)");
1.18 millert 156: else
157: printf("%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
158: "Proto", "Recv-Q", "Send-Q",
159: "Local Address", "Foreign Address",
160: "(state)");
1.1 deraadt 161: first = 0;
162: }
1.38 itojun 163: if (Aflag) {
1.1 deraadt 164: if (istcp)
1.18 millert 165: printf("%*p ", PLEN, inpcb.inp_ppcb);
1.1 deraadt 166: else
1.18 millert 167: printf("%*p ", PLEN, prev);
1.38 itojun 168: }
169: #ifdef INET6
170: if (inpcb.inp_flags & INP_IPV6) {
171: strcpy(namebuf, name0);
172: strcat(namebuf, "6");
173: name = namebuf;
174: } else
175: name = name0;
176: #endif
1.16 millert 177: printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc,
1.1 deraadt 178: sockb.so_snd.sb_cc);
1.38 itojun 179: #ifdef INET6
180: if (inpcb.inp_flags & INP_IPV6) {
181: inet6print(&inpcb.inp_laddr6, (int)inpcb.inp_lport,
182: name, 1);
183: inet6print(&inpcb.inp_faddr6, (int)inpcb.inp_fport,
184: name, 0);
185: } else
186: #endif
187: {
188: inetprint(&inpcb.inp_laddr, (int)inpcb.inp_lport,
189: name, 1);
190: inetprint(&inpcb.inp_faddr, (int)inpcb.inp_fport,
191: name, 0);
192: }
1.1 deraadt 193: if (istcp) {
194: if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
195: printf(" %d", tcpcb.t_state);
196: else
197: printf(" %s", tcpstates[tcpcb.t_state]);
198: }
199: putchar('\n');
200: }
201: }
202:
203: /*
204: * Dump TCP statistics structure.
205: */
206: void
207: tcp_stats(off, name)
208: u_long off;
209: char *name;
210: {
211: struct tcpstat tcpstat;
212:
213: if (off == 0)
214: return;
215: printf ("%s:\n", name);
216: kread(off, (char *)&tcpstat, sizeof (tcpstat));
217:
218: #define p(f, m) if (tcpstat.f || sflag <= 1) \
219: printf(m, tcpstat.f, plural(tcpstat.f))
1.38 itojun 220: #define p1(f, m) if (tcpstat.f || sflag <= 1) \
221: printf(m, tcpstat.f)
1.1 deraadt 222: #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
223: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
1.38 itojun 224: #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
225: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2)
1.1 deraadt 226: #define p3(f, m) if (tcpstat.f || sflag <= 1) \
227: printf(m, tcpstat.f, plurales(tcpstat.f))
228:
1.38 itojun 229: p(tcps_sndtotal, "\t%u packet%s sent\n");
1.1 deraadt 230: p2(tcps_sndpack,tcps_sndbyte,
1.38 itojun 231: "\t\t%u data packet%s (%qd byte%s)\n");
1.1 deraadt 232: p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
1.38 itojun 233: "\t\t%u data packet%s (%qd byte%s) retransmitted\n");
1.26 provos 234: p(tcps_sndrexmitfast, "\t\t%qd fast retransmitted packet%s\n");
1.38 itojun 235: p2a(tcps_sndacks, tcps_delack,
236: "\t\t%u ack-only packet%s (%u delayed)\n");
237: p(tcps_sndurg, "\t\t%u URG only packet%s\n");
238: p(tcps_sndprobe, "\t\t%u window probe packet%s\n");
239: p(tcps_sndwinup, "\t\t%u window update packet%s\n");
240: p(tcps_sndctrl, "\t\t%u control packet%s\n");
241: p(tcps_rcvtotal, "\t%u packet%s received\n");
242: p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%u ack%s (for %qd byte%s)\n");
243: p(tcps_rcvdupack, "\t\t%u duplicate ack%s\n");
244: p(tcps_rcvacktoomuch, "\t\t%u ack%s for unsent data\n");
1.1 deraadt 245: p2(tcps_rcvpack, tcps_rcvbyte,
1.38 itojun 246: "\t\t%u packet%s (%qu byte%s) received in-sequence\n");
1.1 deraadt 247: p2(tcps_rcvduppack, tcps_rcvdupbyte,
1.38 itojun 248: "\t\t%u completely duplicate packet%s (%qd byte%s)\n");
249: p(tcps_pawsdrop, "\t\t%u old duplicate packet%s\n");
1.1 deraadt 250: p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
1.38 itojun 251: "\t\t%u packet%s with some dup. data (%qd byte%s duped)\n");
1.1 deraadt 252: p2(tcps_rcvoopack, tcps_rcvoobyte,
1.38 itojun 253: "\t\t%u out-of-order packet%s (%qd byte%s)\n");
1.1 deraadt 254: p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
1.38 itojun 255: "\t\t%u packet%s (%qd byte%s) of data after window\n");
256: p(tcps_rcvwinprobe, "\t\t%u window probe%s\n");
257: p(tcps_rcvwinupd, "\t\t%u window update packet%s\n");
258: p(tcps_rcvafterclose, "\t\t%u packet%s received after close\n");
259: p(tcps_rcvbadsum, "\t\t%u discarded for bad checksum%s\n");
260: p(tcps_rcvbadoff, "\t\t%u discarded for bad header offset field%s\n");
261: p1(tcps_rcvshort, "\t\t%u discarded because packet too short\n");
262: p1(tcps_rcvnosec, "\t\t%u discarded for missing IPSec protection\n");
263: p(tcps_connattempt, "\t%u connection request%s\n");
264: p(tcps_accepts, "\t%u connection accept%s\n");
265: p(tcps_connects, "\t%u connection%s established (including accepts)\n");
1.1 deraadt 266: p2(tcps_closed, tcps_drops,
1.38 itojun 267: "\t%u connection%s closed (including %u drop%s)\n");
268: p(tcps_conndrops, "\t%u embryonic connection%s dropped\n");
1.1 deraadt 269: p2(tcps_rttupdated, tcps_segstimed,
1.38 itojun 270: "\t%u segment%s updated rtt (of %u attempt%s)\n");
271: p(tcps_rexmttimeo, "\t%u retransmit timeout%s\n");
272: p(tcps_timeoutdrop, "\t\t%u connection%s dropped by rexmit timeout\n");
273: p(tcps_persisttimeo, "\t%u persist timeout%s\n");
274: p(tcps_keeptimeo, "\t%u keepalive timeout%s\n");
275: p(tcps_keepprobe, "\t\t%u keepalive probe%s sent\n");
276: p(tcps_keepdrops, "\t\t%u connection%s dropped by keepalive\n");
277: p(tcps_predack, "\t%u correct ACK header prediction%s\n");
278: p(tcps_preddat, "\t%u correct data packet header prediction%s\n");
279: p3(tcps_pcbhashmiss, "\t%u PCB cache miss%s\n");
280: p(tcps_badsyn, "\t%u SYN packet%s received with same src/dst address/port\n");
1.1 deraadt 281: #undef p
1.38 itojun 282: #undef p1
1.1 deraadt 283: #undef p2
1.38 itojun 284: #undef p2a
1.1 deraadt 285: #undef p3
286: }
287:
288: /*
289: * Dump UDP statistics structure.
290: */
291: void
292: udp_stats(off, name)
293: u_long off;
294: char *name;
295: {
296: struct udpstat udpstat;
297: u_long delivered;
298:
299: if (off == 0)
300: return;
301: kread(off, (char *)&udpstat, sizeof (udpstat));
302: printf("%s:\n", name);
303: #define p(f, m) if (udpstat.f || sflag <= 1) \
304: printf(m, udpstat.f, plural(udpstat.f))
1.38 itojun 305: #define p1(f, m) if (udpstat.f || sflag <= 1) \
306: printf(m, udpstat.f)
1.16 millert 307: p(udps_ipackets, "\t%lu datagram%s received\n");
1.38 itojun 308: p1(udps_hdrops, "\t%lu with incomplete header\n");
309: p1(udps_badlen, "\t%lu with bad data length field\n");
310: p1(udps_badsum, "\t%lu with bad checksum\n");
311: p1(udps_nosum, "\t%lu with no checksum\n");
312: p1(udps_noport, "\t%lu dropped due to no socket\n");
1.16 millert 313: p(udps_noportbcast, "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
1.38 itojun 314: p1(udps_nosec, "\t%lu dropped due to missing IPSec protection\n");
315: p1(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
1.1 deraadt 316: delivered = udpstat.udps_ipackets -
317: udpstat.udps_hdrops -
318: udpstat.udps_badlen -
319: udpstat.udps_badsum -
320: udpstat.udps_noport -
321: udpstat.udps_noportbcast -
322: udpstat.udps_fullsock;
323: if (delivered || sflag <= 1)
1.16 millert 324: printf("\t%lu delivered\n", delivered);
325: p(udps_opackets, "\t%lu datagram%s output\n");
1.38 itojun 326: p1(udps_pcbhashmiss, "\t%lu missed PCB cache\n");
1.1 deraadt 327: #undef p
1.38 itojun 328: #undef p1
1.1 deraadt 329: }
330:
331: /*
332: * Dump IP statistics structure.
333: */
334: void
335: ip_stats(off, name)
336: u_long off;
337: char *name;
338: {
339: struct ipstat ipstat;
340:
341: if (off == 0)
342: return;
343: kread(off, (char *)&ipstat, sizeof (ipstat));
344: printf("%s:\n", name);
345:
346: #define p(f, m) if (ipstat.f || sflag <= 1) \
347: printf(m, ipstat.f, plural(ipstat.f))
1.38 itojun 348: #define p1(f, m) if (ipstat.f || sflag <= 1) \
349: printf(m, ipstat.f)
1.1 deraadt 350:
1.16 millert 351: p(ips_total, "\t%lu total packet%s received\n");
352: p(ips_badsum, "\t%lu bad header checksum%s\n");
1.38 itojun 353: p1(ips_toosmall, "\t%lu with size smaller than minimum\n");
354: p1(ips_tooshort, "\t%lu with data size < data length\n");
355: p1(ips_badhlen, "\t%lu with header length < data size\n");
356: p1(ips_badlen, "\t%lu with data length < header length\n");
357: p1(ips_badoptions, "\t%lu with bad options\n");
358: p1(ips_badvers, "\t%lu with incorrect version number\n");
1.16 millert 359: p(ips_fragments, "\t%lu fragment%s received\n");
360: p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
361: p(ips_badfrags, "\t%lu malformed fragment%s dropped\n");
362: p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
363: p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
364: p(ips_delivered, "\t%lu packet%s for this host\n");
365: p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
366: p(ips_forward, "\t%lu packet%s forwarded\n");
367: p(ips_cantforward, "\t%lu packet%s not forwardable\n");
368: p(ips_redirectsent, "\t%lu redirect%s sent\n");
369: p(ips_localout, "\t%lu packet%s sent from this host\n");
370: p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
371: p(ips_odropped, "\t%lu output packet%s dropped due to no bufs, etc.\n");
372: p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
373: p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
374: p(ips_ofragments, "\t%lu fragment%s created\n");
375: p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
1.38 itojun 376: p1(ips_rcvmemdrop, "\t%lu fragment floods\n");
1.42 itojun 377: p(ips_toolong, "\t%lu packet%s with ip length > max ip packet size\n");
378: p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n");
1.1 deraadt 379: #undef p
1.38 itojun 380: #undef p1
1.1 deraadt 381: }
382:
383: static char *icmpnames[] = {
384: "echo reply",
385: "#1",
386: "#2",
387: "destination unreachable",
388: "source quench",
389: "routing redirect",
390: "#6",
391: "#7",
392: "echo",
1.9 deraadt 393: "router advertisement",
394: "router solicitation",
1.1 deraadt 395: "time exceeded",
396: "parameter problem",
397: "time stamp",
398: "time stamp reply",
399: "information request",
400: "information request reply",
401: "address mask request",
402: "address mask reply",
403: };
404:
405: /*
406: * Dump ICMP statistics.
407: */
408: void
409: icmp_stats(off, name)
410: u_long off;
411: char *name;
412: {
413: struct icmpstat icmpstat;
414: register int i, first;
415:
416: if (off == 0)
417: return;
418: kread(off, (char *)&icmpstat, sizeof (icmpstat));
419: printf("%s:\n", name);
420:
421: #define p(f, m) if (icmpstat.f || sflag <= 1) \
422: printf(m, icmpstat.f, plural(icmpstat.f))
423:
1.16 millert 424: p(icps_error, "\t%lu call%s to icmp_error\n");
1.1 deraadt 425: p(icps_oldicmp,
1.16 millert 426: "\t%lu error%s not generated 'cuz old message was icmp\n");
1.1 deraadt 427: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
428: if (icmpstat.icps_outhist[i] != 0) {
429: if (first) {
1.43 itojun 430: printf("\tOutput packet histogram:\n");
1.1 deraadt 431: first = 0;
432: }
1.16 millert 433: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 434: icmpstat.icps_outhist[i]);
435: }
1.16 millert 436: p(icps_badcode, "\t%lu message%s with bad code fields\n");
437: p(icps_tooshort, "\t%lu message%s < minimum length\n");
438: p(icps_checksum, "\t%lu bad checksum%s\n");
439: p(icps_badlen, "\t%lu message%s with bad length\n");
1.1 deraadt 440: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
441: if (icmpstat.icps_inhist[i] != 0) {
442: if (first) {
1.43 itojun 443: printf("\tInput packet histogram:\n");
1.1 deraadt 444: first = 0;
445: }
1.16 millert 446: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 447: icmpstat.icps_inhist[i]);
448: }
1.16 millert 449: p(icps_reflect, "\t%lu message response%s generated\n");
1.1 deraadt 450: #undef p
451: }
452:
453: /*
454: * Dump IGMP statistics structure.
455: */
456: void
457: igmp_stats(off, name)
458: u_long off;
459: char *name;
460: {
461: struct igmpstat igmpstat;
462:
463: if (off == 0)
464: return;
465: kread(off, (char *)&igmpstat, sizeof (igmpstat));
466: printf("%s:\n", name);
467:
468: #define p(f, m) if (igmpstat.f || sflag <= 1) \
469: printf(m, igmpstat.f, plural(igmpstat.f))
470: #define py(f, m) if (igmpstat.f || sflag <= 1) \
471: printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
1.16 millert 472: p(igps_rcv_total, "\t%lu message%s received\n");
473: p(igps_rcv_tooshort, "\t%lu message%s received with too few bytes\n");
474: p(igps_rcv_badsum, "\t%lu message%s received with bad checksum\n");
475: py(igps_rcv_queries, "\t%lu membership quer%s received\n");
476: py(igps_rcv_badqueries, "\t%lu membership quer%s received with invalid field(s)\n");
477: p(igps_rcv_reports, "\t%lu membership report%s received\n");
478: p(igps_rcv_badreports, "\t%lu membership report%s received with invalid field(s)\n");
479: p(igps_rcv_ourreports, "\t%lu membership report%s received for groups to which we belong\n");
480: p(igps_snd_reports, "\t%lu membership report%s sent\n");
1.1 deraadt 481: #undef p
482: #undef py
483: }
484:
1.5 deraadt 485: struct rpcnams {
486: struct rpcnams *next;
1.16 millert 487: in_port_t port;
1.21 deraadt 488: int proto;
1.5 deraadt 489: char *rpcname;
490: };
491:
492: char *
1.21 deraadt 493: getrpcportnam(port, proto)
1.16 millert 494: in_port_t port;
1.21 deraadt 495: int proto;
1.5 deraadt 496: {
497: struct sockaddr_in server_addr;
498: register struct hostent *hp;
499: static struct pmaplist *head;
500: int socket = RPC_ANYSOCK;
501: struct timeval minutetimeout;
502: register CLIENT *client;
503: struct rpcent *rpc;
504: static int first;
505: static struct rpcnams *rpcn;
506: struct rpcnams *n;
1.23 deraadt 507: char num[20];
1.5 deraadt 508:
509: if (first == 0) {
510: first = 1;
1.7 deraadt 511: memset((char *)&server_addr, 0, sizeof server_addr);
1.5 deraadt 512: server_addr.sin_family = AF_INET;
513: if ((hp = gethostbyname("localhost")) != NULL)
1.7 deraadt 514: memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
1.5 deraadt 515: hp->h_length);
516: else
517: (void) inet_aton("0.0.0.0", &server_addr.sin_addr);
518:
519: minutetimeout.tv_sec = 60;
520: minutetimeout.tv_usec = 0;
521: server_addr.sin_port = htons(PMAPPORT);
522: if ((client = clnttcp_create(&server_addr, PMAPPROG,
1.7 deraadt 523: PMAPVERS, &socket, 50, 500)) == NULL)
524: return (NULL);
1.5 deraadt 525: if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
1.8 deraadt 526: xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
1.7 deraadt 527: clnt_destroy(client);
528: return (NULL);
1.5 deraadt 529: }
530: for (; head != NULL; head = head->pml_next) {
531: n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
532: if (n == NULL)
533: continue;
534: n->next = rpcn;
535: rpcn = n;
536: n->port = head->pml_map.pm_port;
1.21 deraadt 537: n->proto = head->pml_map.pm_prot;
1.5 deraadt 538:
539: rpc = getrpcbynumber(head->pml_map.pm_prog);
540: if (rpc)
541: n->rpcname = strdup(rpc->r_name);
542: else {
1.23 deraadt 543: snprintf(num, sizeof num, "%ld",
544: head->pml_map.pm_prog);
1.5 deraadt 545: n->rpcname = strdup(num);
546: }
547: }
548: clnt_destroy(client);
549: }
550:
551: for (n = rpcn; n; n = n->next)
1.21 deraadt 552: if (n->port == port && n->proto == proto)
1.5 deraadt 553: return (n->rpcname);
554: return (NULL);
555: }
556:
1.1 deraadt 557: /*
558: * Pretty print an Internet address (net address + port).
559: * If the nflag was specified, use numbers instead of names.
560: */
561: void
1.5 deraadt 562: inetprint(in, port, proto, local)
1.1 deraadt 563: register struct in_addr *in;
1.16 millert 564: in_port_t port;
1.1 deraadt 565: char *proto;
1.5 deraadt 566: int local;
1.1 deraadt 567: {
568: struct servent *sp = 0;
1.5 deraadt 569: char line[80], *cp, *nam;
1.1 deraadt 570: int width;
571:
1.23 deraadt 572: snprintf(line, sizeof line, "%.*s.", (Aflag && !nflag) ? 12 : 16,
573: inetname(in));
1.4 millert 574: cp = strchr(line, '\0');
1.1 deraadt 575: if (!nflag && port)
576: sp = getservbyport((int)port, proto);
577: if (sp || port == 0)
1.23 deraadt 578: snprintf(cp, line + sizeof line - cp, "%.8s",
579: sp ? sp->s_name : "*");
1.21 deraadt 580: else if (local && !nflag && (nam = getrpcportnam(ntohs(port),
581: (strcmp(proto, "tcp") == 0 ? IPPROTO_TCP : IPPROTO_UDP))))
1.23 deraadt 582: snprintf(cp, line + sizeof line - cp, "%d[%.8s]",
583: ntohs(port), nam);
1.1 deraadt 584: else
1.23 deraadt 585: snprintf(cp, line + sizeof line - cp, "%d", ntohs(port));
1.1 deraadt 586: width = Aflag ? 18 : 22;
587: printf(" %-*.*s", width, width, line);
588: }
589:
590: /*
591: * Construct an Internet address representation.
592: * If the nflag has been supplied, give
593: * numeric value, otherwise try for symbolic name.
594: */
595: char *
596: inetname(inp)
597: struct in_addr *inp;
598: {
599: register char *cp;
600: static char line[50];
601: struct hostent *hp;
602: struct netent *np;
603: static char domain[MAXHOSTNAMELEN + 1];
604: static int first = 1;
605:
606: if (first && !nflag) {
607: first = 0;
608: if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
1.4 millert 609: (cp = strchr(domain, '.')))
1.1 deraadt 610: (void) strcpy(domain, cp + 1);
611: else
612: domain[0] = 0;
613: }
614: cp = 0;
615: if (!nflag && inp->s_addr != INADDR_ANY) {
616: int net = inet_netof(*inp);
617: int lna = inet_lnaof(*inp);
618:
619: if (lna == INADDR_ANY) {
620: np = getnetbyaddr(net, AF_INET);
621: if (np)
622: cp = np->n_name;
623: }
624: if (cp == 0) {
625: hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
626: if (hp) {
1.4 millert 627: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 628: !strcmp(cp + 1, domain))
629: *cp = 0;
630: cp = hp->h_name;
631: }
632: }
633: }
634: if (inp->s_addr == INADDR_ANY)
1.23 deraadt 635: snprintf(line, sizeof line, "*");
1.1 deraadt 636: else if (cp)
1.23 deraadt 637: snprintf(line, sizeof line, "%s", cp);
1.1 deraadt 638: else {
639: inp->s_addr = ntohl(inp->s_addr);
640: #define C(x) ((x) & 0xff)
1.23 deraadt 641: snprintf(line, sizeof line, "%u.%u.%u.%u",
642: C(inp->s_addr >> 24), C(inp->s_addr >> 16),
643: C(inp->s_addr >> 8), C(inp->s_addr));
1.1 deraadt 644: }
645: return (line);
1.10 angelos 646: }
647:
648: /*
649: * Dump AH statistics structure.
650: */
651: void
652: ah_stats(off, name)
653: u_long off;
654: char *name;
655: {
656: struct ahstat ahstat;
657:
658: if (off == 0)
659: return;
660: kread(off, (char *)&ahstat, sizeof (ahstat));
661: printf("%s:\n", name);
662:
663: #define p(f, m) if (ahstat.f || sflag <= 1) \
664: printf(m, ahstat.f, plural(ahstat.f))
1.38 itojun 665: #define p1(f, m) if (ahstat.f || sflag <= 1) \
666: printf(m, ahstat.f)
1.10 angelos 667:
1.38 itojun 668: p1(ahs_input, "\t%u input AH packets\n");
669: p1(ahs_output, "\t%u output AH packets\n");
1.44 angelos 670: p(ahs_nopf, "\t%u packet%s from unsupported protocol families\n");
1.10 angelos 671: p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
1.33 niklas 672: p(ahs_pdrops, "\t%u packet%s dropped due to policy\n");
1.10 angelos 673: p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
674: p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
675: p(ahs_badauth, "\t%u packet%s that failed verification received\n");
676: p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.19 provos 677: p(ahs_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.10 angelos 678: p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
679: p(ahs_replay, "\t%u possibly replayed packet%s received\n");
680: p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
1.15 provos 681: p(ahs_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.25 niklas 682: p(ahs_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.20 angelos 683: p(ahs_ibytes, "\t%qu input byte%s\n");
684: p(ahs_obytes, "\t%qu output byte%s\n");
685:
1.34 angelos 686: #undef p
1.38 itojun 687: #undef p1
1.34 angelos 688: }
689:
690: /*
691: * Dump etherip statistics structure.
692: */
693: void
694: etherip_stats(off, name)
695: u_long off;
696: char *name;
697: {
698: struct etheripstat etheripstat;
699:
700:
701: if (off == 0)
702: return;
703: kread(off, (char *)ðeripstat, sizeof (etheripstat));
704: printf("%s:\n", name);
705:
706: #define p(f, m) if (etheripstat.f || sflag <= 1) \
707: printf(m, etheripstat.f, plural(etheripstat.f))
708:
709:
710: p(etherip_hdrops, "\t%u packet%s shorter than header shows\n");
711: p(etherip_qfull, "\t%u packet%s were dropped due to full output queue\n");
712: p(etherip_noifdrops, "\t%u packet%s were dropped because of no interface/bridge information\n");
713: p(etherip_pdrops, "\t%u packet%s dropped due to policy\n");
714: p(etherip_adrops, "\t%u packet%s dropped for other reasons\n");
715: p(etherip_ipackets, "\t%u input ethernet-in-IP packets\n");
716: p(etherip_opackets, "\t%u output ethernet-in-IP packets\n");
717: p(etherip_ibytes, "\t%qu input byte%s\n");
718: p(etherip_obytes, "\t%qu output byte%s\n");
1.10 angelos 719: #undef p
720: }
721:
722: /*
723: * Dump ESP statistics structure.
724: */
725: void
726: esp_stats(off, name)
727: u_long off;
728: char *name;
729: {
730: struct espstat espstat;
731:
1.20 angelos 732:
1.10 angelos 733: if (off == 0)
734: return;
735: kread(off, (char *)&espstat, sizeof (espstat));
736: printf("%s:\n", name);
737:
738: #define p(f, m) if (espstat.f || sflag <= 1) \
739: printf(m, espstat.f, plural(espstat.f))
740:
1.38 itojun 741: p(esps_input, "\t%u input ESP packet%s\n");
742: p(esps_output, "\t%u output ESP packet%s\n");
1.44 angelos 743: p(esps_nopf, "\t%u packet%s from unsupported protocol families\n");
1.10 angelos 744: p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
1.33 niklas 745: p(esps_pdrops, "\t%u packet%s dropped due to policy\n");
1.10 angelos 746: p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
747: p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
1.37 niklas 748: p(esps_badenc, "\t%u packet%s with bad encryption received\n");
1.10 angelos 749: p(esps_badauth, "\t%u packet%s that failed verification received\n");
750: p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.19 provos 751: p(esps_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.10 angelos 752: p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
753: p(esps_replay, "\t%u possibly replayed packet%s received\n");
754: p(esps_badilen, "\t%u packet%s with payload not a multiple of 8 received\n");
1.15 provos 755: p(esps_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.25 niklas 756: p(esps_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.20 angelos 757: p(esps_ibytes, "\t%qu input byte%s\n");
758: p(esps_obytes, "\t%qu output byte%s\n");
1.10 angelos 759:
760: #undef p
761: }
762:
763: /*
764: * Dump ESP statistics structure.
765: */
766: void
1.45 ! angelos 767: ipip_stats(off, name)
1.10 angelos 768: u_long off;
769: char *name;
770: {
1.45 ! angelos 771: struct ipipstat ipipstat;
1.10 angelos 772:
773: if (off == 0)
774: return;
1.45 ! angelos 775: kread(off, (char *)&ipipstat, sizeof (ipipstat));
1.10 angelos 776: printf("%s:\n", name);
777:
1.45 ! angelos 778: #define p(f, m) if (ipipstat.f || sflag <= 1) \
! 779: printf(m, ipipstat.f, plural(ipipstat.f))
1.10 angelos 780:
1.45 ! angelos 781: p(ipips_ipackets, "\t%u total input packet%s\n");
! 782: p(ipips_opackets, "\t%u total output packet%s\n");
! 783: p(ipips_hdrops, "\t%u packet%s shorter than header shows\n");
! 784: p(ipips_pdrops, "\t%u packet%s dropped due to policy\n");
! 785: p(ipips_spoof, "\t%u packet%s with possibly spoofed local addresses\n");
! 786: p(ipips_qfull, "\t%u packet%s were dropped due to full output queue\n");
! 787: p(ipips_ibytes, "\t%qu input byte%s\n");
! 788: p(ipips_obytes, "\t%qu output byte%s\n");
! 789: p(ipips_family, "\t%u protocol family mismatches\n");
! 790: p(ipips_unspec, "\t%u attempts to use tunnel with unspecified endpoint(s)\n");
1.10 angelos 791: #undef p
1.1 deraadt 792: }
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