Annotation of src/usr.bin/netstat/inet.c, Revision 1.14
1.14 ! dgregor 1: /* $OpenBSD: inet.c,v 1.13 1997/06/15 13:47:27 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.
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
1.14 ! dgregor 41: static char *rcsid = "$OpenBSD: inet.c,v 1.13 1997/06/15 13:47:27 deraadt 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>
1.10 angelos 71: #include <netinet/ip_ah.h>
72: #include <netinet/ip_esp.h>
73: #include <netinet/ip_ip4.h>
1.1 deraadt 74:
75: #include <arpa/inet.h>
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:
91: char *inetname __P((struct in_addr *));
1.5 deraadt 92: void inetprint __P((struct in_addr *, int, char *, int));
1.1 deraadt 93:
94: /*
95: * Print a summary of connections related to an Internet
96: * protocol. For TCP, also give state of connection.
97: * Listening processes (aflag) are suppressed unless the
98: * -a (all) flag is specified.
99: */
100: void
101: protopr(off, name)
102: u_long off;
103: char *name;
104: {
105: struct inpcbtable table;
106: register struct inpcb *head, *next, *prev;
107: struct inpcb inpcb;
108: int istcp;
109: static int first = 1;
110:
111: if (off == 0)
112: return;
113: istcp = strcmp(name, "tcp") == 0;
114: kread(off, (char *)&table, sizeof table);
115: prev = head =
116: (struct inpcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first;
117: next = table.inpt_queue.cqh_first;
118:
119: while (next != head) {
120: kread((u_long)next, (char *)&inpcb, sizeof inpcb);
121: if (inpcb.inp_queue.cqe_prev != prev) {
122: printf("???\n");
123: break;
124: }
125: prev = next;
126: next = inpcb.inp_queue.cqe_next;
127:
128: if (!aflag &&
129: inet_lnaof(inpcb.inp_laddr) == INADDR_ANY)
130: continue;
131: kread((u_long)inpcb.inp_socket, (char *)&sockb, sizeof (sockb));
132: if (istcp) {
133: kread((u_long)inpcb.inp_ppcb,
134: (char *)&tcpcb, sizeof (tcpcb));
135: }
136: if (first) {
137: printf("Active Internet connections");
138: if (aflag)
139: printf(" (including servers)");
140: putchar('\n');
141: if (Aflag)
142: printf("%-8.8s ", "PCB");
143: printf(Aflag ?
144: "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" :
145: "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
146: "Proto", "Recv-Q", "Send-Q",
147: "Local Address", "Foreign Address", "(state)");
148: first = 0;
149: }
150: if (Aflag)
151: if (istcp)
152: printf("%8x ", inpcb.inp_ppcb);
153: else
154: printf("%8x ", prev);
155: printf("%-5.5s %6d %6d ", name, sockb.so_rcv.sb_cc,
156: sockb.so_snd.sb_cc);
1.5 deraadt 157: inetprint(&inpcb.inp_laddr, (int)inpcb.inp_lport, name, 1);
158: inetprint(&inpcb.inp_faddr, (int)inpcb.inp_fport, name, 0);
1.1 deraadt 159: if (istcp) {
160: if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
161: printf(" %d", tcpcb.t_state);
162: else
163: printf(" %s", tcpstates[tcpcb.t_state]);
164: }
165: putchar('\n');
166: }
167: }
168:
169: /*
170: * Dump TCP statistics structure.
171: */
172: void
173: tcp_stats(off, name)
174: u_long off;
175: char *name;
176: {
177: struct tcpstat tcpstat;
178:
179: if (off == 0)
180: return;
181: printf ("%s:\n", name);
182: kread(off, (char *)&tcpstat, sizeof (tcpstat));
183:
184: #define p(f, m) if (tcpstat.f || sflag <= 1) \
185: printf(m, tcpstat.f, plural(tcpstat.f))
186: #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
187: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
188: #define p3(f, m) if (tcpstat.f || sflag <= 1) \
189: printf(m, tcpstat.f, plurales(tcpstat.f))
190:
191: p(tcps_sndtotal, "\t%d packet%s sent\n");
192: p2(tcps_sndpack,tcps_sndbyte,
1.13 deraadt 193: "\t\t%d data packet%s (%qd byte%s)\n");
1.1 deraadt 194: p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
1.13 deraadt 195: "\t\t%d data packet%s (%qd byte%s) retransmitted\n");
1.1 deraadt 196: p2(tcps_sndacks, tcps_delack,
197: "\t\t%d ack-only packet%s (%d delayed)\n");
198: p(tcps_sndurg, "\t\t%d URG only packet%s\n");
199: p(tcps_sndprobe, "\t\t%d window probe packet%s\n");
200: p(tcps_sndwinup, "\t\t%d window update packet%s\n");
201: p(tcps_sndctrl, "\t\t%d control packet%s\n");
202: p(tcps_rcvtotal, "\t%d packet%s received\n");
1.13 deraadt 203: p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%d ack%s (for %qd byte%s)\n");
1.1 deraadt 204: p(tcps_rcvdupack, "\t\t%d duplicate ack%s\n");
205: p(tcps_rcvacktoomuch, "\t\t%d ack%s for unsent data\n");
206: p2(tcps_rcvpack, tcps_rcvbyte,
1.13 deraadt 207: "\t\t%d packet%s (%qd byte%s) received in-sequence\n");
1.1 deraadt 208: p2(tcps_rcvduppack, tcps_rcvdupbyte,
1.13 deraadt 209: "\t\t%d completely duplicate packet%s (%qd byte%s)\n");
1.1 deraadt 210: p(tcps_pawsdrop, "\t\t%d old duplicate packet%s\n");
211: p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
1.13 deraadt 212: "\t\t%d packet%s with some dup. data (%qd byte%s duped)\n");
1.1 deraadt 213: p2(tcps_rcvoopack, tcps_rcvoobyte,
1.13 deraadt 214: "\t\t%d out-of-order packet%s (%qd byte%s)\n");
1.1 deraadt 215: p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
1.13 deraadt 216: "\t\t%d packet%s (%qd byte%s) of data after window\n");
1.1 deraadt 217: p(tcps_rcvwinprobe, "\t\t%d window probe%s\n");
218: p(tcps_rcvwinupd, "\t\t%d window update packet%s\n");
219: p(tcps_rcvafterclose, "\t\t%d packet%s received after close\n");
220: p(tcps_rcvbadsum, "\t\t%d discarded for bad checksum%s\n");
221: p(tcps_rcvbadoff, "\t\t%d discarded for bad header offset field%s\n");
222: p(tcps_rcvshort, "\t\t%d discarded because packet too short\n");
223: p(tcps_connattempt, "\t%d connection request%s\n");
224: p(tcps_accepts, "\t%d connection accept%s\n");
225: p(tcps_connects, "\t%d connection%s established (including accepts)\n");
226: p2(tcps_closed, tcps_drops,
227: "\t%d connection%s closed (including %d drop%s)\n");
228: p(tcps_conndrops, "\t%d embryonic connection%s dropped\n");
229: p2(tcps_rttupdated, tcps_segstimed,
230: "\t%d segment%s updated rtt (of %d attempt%s)\n");
231: p(tcps_rexmttimeo, "\t%d retransmit timeout%s\n");
232: p(tcps_timeoutdrop, "\t\t%d connection%s dropped by rexmit timeout\n");
233: p(tcps_persisttimeo, "\t%d persist timeout%s\n");
234: p(tcps_keeptimeo, "\t%d keepalive timeout%s\n");
235: p(tcps_keepprobe, "\t\t%d keepalive probe%s sent\n");
236: p(tcps_keepdrops, "\t\t%d connection%s dropped by keepalive\n");
237: p(tcps_predack, "\t%d correct ACK header prediction%s\n");
238: p(tcps_preddat, "\t%d correct data packet header prediction%s\n");
1.2 mickey 239: p3(tcps_pcbhashmiss, "\t%d PCB cache miss%s\n");
1.1 deraadt 240: #undef p
241: #undef p2
242: #undef p3
243: }
244:
245: /*
246: * Dump UDP statistics structure.
247: */
248: void
249: udp_stats(off, name)
250: u_long off;
251: char *name;
252: {
253: struct udpstat udpstat;
254: u_long delivered;
255:
256: if (off == 0)
257: return;
258: kread(off, (char *)&udpstat, sizeof (udpstat));
259: printf("%s:\n", name);
260: #define p(f, m) if (udpstat.f || sflag <= 1) \
261: printf(m, udpstat.f, plural(udpstat.f))
262: p(udps_ipackets, "\t%u datagram%s received\n");
263: p(udps_hdrops, "\t%u with incomplete header\n");
264: p(udps_badlen, "\t%u with bad data length field\n");
265: p(udps_badsum, "\t%u with bad checksum\n");
266: p(udps_noport, "\t%u dropped due to no socket\n");
267: p(udps_noportbcast, "\t%u broadcast/multicast datagram%s dropped due to no socket\n");
268: p(udps_fullsock, "\t%u dropped due to full socket buffers\n");
269: delivered = udpstat.udps_ipackets -
270: udpstat.udps_hdrops -
271: udpstat.udps_badlen -
272: udpstat.udps_badsum -
273: udpstat.udps_noport -
274: udpstat.udps_noportbcast -
275: udpstat.udps_fullsock;
276: if (delivered || sflag <= 1)
277: printf("\t%u delivered\n", delivered);
278: p(udps_opackets, "\t%u datagram%s output\n");
279: #undef p
280: }
281:
282: /*
283: * Dump IP statistics structure.
284: */
285: void
286: ip_stats(off, name)
287: u_long off;
288: char *name;
289: {
290: struct ipstat ipstat;
291:
292: if (off == 0)
293: return;
294: kread(off, (char *)&ipstat, sizeof (ipstat));
295: printf("%s:\n", name);
296:
297: #define p(f, m) if (ipstat.f || sflag <= 1) \
298: printf(m, ipstat.f, plural(ipstat.f))
299:
300: p(ips_total, "\t%u total packet%s received\n");
301: p(ips_badsum, "\t%u bad header checksum%s\n");
302: p(ips_toosmall, "\t%u with size smaller than minimum\n");
303: p(ips_tooshort, "\t%u with data size < data length\n");
304: p(ips_badhlen, "\t%u with header length < data size\n");
305: p(ips_badlen, "\t%u with data length < header length\n");
306: p(ips_badoptions, "\t%u with bad options\n");
307: p(ips_badvers, "\t%u with incorrect version number\n");
308: p(ips_fragments, "\t%u fragment%s received\n");
309: p(ips_fragdropped, "\t%u fragment%s dropped (dup or out of space)\n");
310: p(ips_badfrags, "\t%u malformed fragment%s dropped\n");
311: p(ips_fragtimeout, "\t%u fragment%s dropped after timeout\n");
312: p(ips_reassembled, "\t%u packet%s reassembled ok\n");
313: p(ips_delivered, "\t%u packet%s for this host\n");
314: p(ips_noproto, "\t%u packet%s for unknown/unsupported protocol\n");
315: p(ips_forward, "\t%u packet%s forwarded\n");
316: p(ips_cantforward, "\t%u packet%s not forwardable\n");
317: p(ips_redirectsent, "\t%u redirect%s sent\n");
318: p(ips_localout, "\t%u packet%s sent from this host\n");
319: p(ips_rawout, "\t%u packet%s sent with fabricated ip header\n");
320: p(ips_odropped, "\t%u output packet%s dropped due to no bufs, etc.\n");
321: p(ips_noroute, "\t%u output packet%s discarded due to no route\n");
322: p(ips_fragmented, "\t%u output datagram%s fragmented\n");
323: p(ips_ofragments, "\t%u fragment%s created\n");
324: p(ips_cantfrag, "\t%u datagram%s that can't be fragmented\n");
325: #undef p
326: }
327:
328: static char *icmpnames[] = {
329: "echo reply",
330: "#1",
331: "#2",
332: "destination unreachable",
333: "source quench",
334: "routing redirect",
335: "#6",
336: "#7",
337: "echo",
1.9 deraadt 338: "router advertisement",
339: "router solicitation",
1.1 deraadt 340: "time exceeded",
341: "parameter problem",
342: "time stamp",
343: "time stamp reply",
344: "information request",
345: "information request reply",
346: "address mask request",
347: "address mask reply",
348: };
349:
350: /*
351: * Dump ICMP statistics.
352: */
353: void
354: icmp_stats(off, name)
355: u_long off;
356: char *name;
357: {
358: struct icmpstat icmpstat;
359: register int i, first;
360:
361: if (off == 0)
362: return;
363: kread(off, (char *)&icmpstat, sizeof (icmpstat));
364: printf("%s:\n", name);
365:
366: #define p(f, m) if (icmpstat.f || sflag <= 1) \
367: printf(m, icmpstat.f, plural(icmpstat.f))
368:
369: p(icps_error, "\t%u call%s to icmp_error\n");
370: p(icps_oldicmp,
371: "\t%u error%s not generated 'cuz old message was icmp\n");
372: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
373: if (icmpstat.icps_outhist[i] != 0) {
374: if (first) {
375: printf("\tOutput histogram:\n");
376: first = 0;
377: }
378: printf("\t\t%s: %u\n", icmpnames[i],
379: icmpstat.icps_outhist[i]);
380: }
381: p(icps_badcode, "\t%u message%s with bad code fields\n");
382: p(icps_tooshort, "\t%u message%s < minimum length\n");
383: p(icps_checksum, "\t%u bad checksum%s\n");
384: p(icps_badlen, "\t%u message%s with bad length\n");
385: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
386: if (icmpstat.icps_inhist[i] != 0) {
387: if (first) {
388: printf("\tInput histogram:\n");
389: first = 0;
390: }
391: printf("\t\t%s: %u\n", icmpnames[i],
392: icmpstat.icps_inhist[i]);
393: }
394: p(icps_reflect, "\t%u message response%s generated\n");
395: #undef p
396: }
397:
398: /*
399: * Dump IGMP statistics structure.
400: */
401: void
402: igmp_stats(off, name)
403: u_long off;
404: char *name;
405: {
406: struct igmpstat igmpstat;
407:
408: if (off == 0)
409: return;
410: kread(off, (char *)&igmpstat, sizeof (igmpstat));
411: printf("%s:\n", name);
412:
413: #define p(f, m) if (igmpstat.f || sflag <= 1) \
414: printf(m, igmpstat.f, plural(igmpstat.f))
415: #define py(f, m) if (igmpstat.f || sflag <= 1) \
416: printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
417: p(igps_rcv_total, "\t%u message%s received\n");
418: p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n");
419: p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n");
420: py(igps_rcv_queries, "\t%u membership quer%s received\n");
421: py(igps_rcv_badqueries, "\t%u membership quer%s received with invalid field(s)\n");
422: p(igps_rcv_reports, "\t%u membership report%s received\n");
423: p(igps_rcv_badreports, "\t%u membership report%s received with invalid field(s)\n");
424: p(igps_rcv_ourreports, "\t%u membership report%s received for groups to which we belong\n");
425: p(igps_snd_reports, "\t%u membership report%s sent\n");
426: #undef p
427: #undef py
428: }
429:
1.5 deraadt 430: struct rpcnams {
431: struct rpcnams *next;
432: int port;
433: char *rpcname;
434: };
435:
436: char *
437: getrpcportnam(port)
438: int port;
439: {
440: struct sockaddr_in server_addr;
441: register struct hostent *hp;
442: static struct pmaplist *head;
443: int socket = RPC_ANYSOCK;
444: struct timeval minutetimeout;
445: register CLIENT *client;
446: struct rpcent *rpc;
447: static int first;
448: static struct rpcnams *rpcn;
449: struct rpcnams *n;
450: char num[10];
451:
452: if (first == 0) {
453: first = 1;
1.7 deraadt 454: memset((char *)&server_addr, 0, sizeof server_addr);
1.5 deraadt 455: server_addr.sin_family = AF_INET;
456: if ((hp = gethostbyname("localhost")) != NULL)
1.7 deraadt 457: memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
1.5 deraadt 458: hp->h_length);
459: else
460: (void) inet_aton("0.0.0.0", &server_addr.sin_addr);
461:
462: minutetimeout.tv_sec = 60;
463: minutetimeout.tv_usec = 0;
464: server_addr.sin_port = htons(PMAPPORT);
465: if ((client = clnttcp_create(&server_addr, PMAPPROG,
1.7 deraadt 466: PMAPVERS, &socket, 50, 500)) == NULL)
467: return (NULL);
1.5 deraadt 468: if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
1.8 deraadt 469: xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
1.7 deraadt 470: clnt_destroy(client);
471: return (NULL);
1.5 deraadt 472: }
473: for (; head != NULL; head = head->pml_next) {
474: n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
475: if (n == NULL)
476: continue;
477: n->next = rpcn;
478: rpcn = n;
479: n->port = head->pml_map.pm_port;
480:
481: rpc = getrpcbynumber(head->pml_map.pm_prog);
482: if (rpc)
483: n->rpcname = strdup(rpc->r_name);
484: else {
485: sprintf(num, "%d", head->pml_map.pm_prog);
486: n->rpcname = strdup(num);
487: }
488: }
489: clnt_destroy(client);
490: }
491:
492: for (n = rpcn; n; n = n->next)
493: if (n->port == port)
494: return (n->rpcname);
495: return (NULL);
496: }
497:
1.1 deraadt 498: /*
499: * Pretty print an Internet address (net address + port).
500: * If the nflag was specified, use numbers instead of names.
501: */
502: void
1.5 deraadt 503: inetprint(in, port, proto, local)
1.1 deraadt 504: register struct in_addr *in;
505: int port;
506: char *proto;
1.5 deraadt 507: int local;
1.1 deraadt 508: {
509: struct servent *sp = 0;
1.5 deraadt 510: char line[80], *cp, *nam;
1.1 deraadt 511: int width;
512:
513: sprintf(line, "%.*s.", (Aflag && !nflag) ? 12 : 16, inetname(in));
1.4 millert 514: cp = strchr(line, '\0');
1.1 deraadt 515: if (!nflag && port)
516: sp = getservbyport((int)port, proto);
517: if (sp || port == 0)
518: sprintf(cp, "%.8s", sp ? sp->s_name : "*");
1.9 deraadt 519: else if (local && !nflag && (nam = getrpcportnam(ntohs((u_short)port))))
1.6 deraadt 520: sprintf(cp, "%d[%.8s]", ntohs((u_short)port), nam);
1.1 deraadt 521: else
522: sprintf(cp, "%d", ntohs((u_short)port));
523: width = Aflag ? 18 : 22;
524: printf(" %-*.*s", width, width, line);
525: }
526:
527: /*
528: * Construct an Internet address representation.
529: * If the nflag has been supplied, give
530: * numeric value, otherwise try for symbolic name.
531: */
532: char *
533: inetname(inp)
534: struct in_addr *inp;
535: {
536: register char *cp;
537: static char line[50];
538: struct hostent *hp;
539: struct netent *np;
540: static char domain[MAXHOSTNAMELEN + 1];
541: static int first = 1;
542:
543: if (first && !nflag) {
544: first = 0;
545: if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
1.4 millert 546: (cp = strchr(domain, '.')))
1.1 deraadt 547: (void) strcpy(domain, cp + 1);
548: else
549: domain[0] = 0;
550: }
551: cp = 0;
552: if (!nflag && inp->s_addr != INADDR_ANY) {
553: int net = inet_netof(*inp);
554: int lna = inet_lnaof(*inp);
555:
556: if (lna == INADDR_ANY) {
557: np = getnetbyaddr(net, AF_INET);
558: if (np)
559: cp = np->n_name;
560: }
561: if (cp == 0) {
562: hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
563: if (hp) {
1.4 millert 564: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 565: !strcmp(cp + 1, domain))
566: *cp = 0;
567: cp = hp->h_name;
568: }
569: }
570: }
571: if (inp->s_addr == INADDR_ANY)
572: strcpy(line, "*");
573: else if (cp)
574: strcpy(line, cp);
575: else {
576: inp->s_addr = ntohl(inp->s_addr);
577: #define C(x) ((x) & 0xff)
578: sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24),
579: C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr));
580: }
581: return (line);
1.10 angelos 582: }
583:
584: /*
585: * Dump AH statistics structure.
586: */
587: void
588: ah_stats(off, name)
589: u_long off;
590: char *name;
591: {
592: struct ahstat ahstat;
593:
594: if (off == 0)
595: return;
596: kread(off, (char *)&ahstat, sizeof (ahstat));
597: printf("%s:\n", name);
598:
599: #define p(f, m) if (ahstat.f || sflag <= 1) \
600: printf(m, ahstat.f, plural(ahstat.f))
601:
1.11 angelos 602: p(ahs_input, "\t%u input AH packets\n");
603: p(ahs_output, "\t%u output AH packets\n");
1.10 angelos 604: p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
605: p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
606: p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
607: p(ahs_badauth, "\t%u packet%s that failed verification received\n");
608: p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
609: p(ahs_qfull, "\t%u packet%s were dropeed due to full output queue\n");
610: p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
611: p(ahs_replay, "\t%u possibly replayed packet%s received\n");
612: p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
613: #undef p
614: }
615:
616: /*
617: * Dump ESP statistics structure.
618: */
619: void
620: esp_stats(off, name)
621: u_long off;
622: char *name;
623: {
624: struct espstat espstat;
625:
626: if (off == 0)
627: return;
628: kread(off, (char *)&espstat, sizeof (espstat));
629: printf("%s:\n", name);
630:
631: #define p(f, m) if (espstat.f || sflag <= 1) \
632: printf(m, espstat.f, plural(espstat.f))
633:
1.12 angelos 634: p(esps_input, "\t%u input ESP packets\n");
635: p(esps_output, "\t%u output ESP packets\n");
1.10 angelos 636: p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
637: p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
638: p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
639: p(esps_badauth, "\t%u packet%s that failed verification received\n");
640: p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
641: p(esps_qfull, "\t%u packet%s were dropeed due to full output queue\n");
642: p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
643: p(esps_replay, "\t%u possibly replayed packet%s received\n");
644: p(esps_badilen, "\t%u packet%s with payload not a multiple of 8 received\n");
645:
646: #undef p
647: }
648:
649: /*
650: * Dump ESP statistics structure.
651: */
652: void
653: ip4_stats(off, name)
654: u_long off;
655: char *name;
656: {
657: struct ip4stat ip4stat;
658:
659: if (off == 0)
660: return;
661: kread(off, (char *)&ip4stat, sizeof (ip4stat));
662: printf("%s:\n", name);
663:
664: #define p(f, m) if (ip4stat.f || sflag <= 1) \
665: printf(m, ip4stat.f, plural(ip4stat.f))
666:
667: p(ip4s_ipackets, "\t%u total input packet%s\n");
1.11 angelos 668: p(ip4s_opackets, "\t%u total output packet%s\n");
1.10 angelos 669: p(ip4s_hdrops, "\t%u packet%s shorter than header shows\n");
670: p(ip4s_notip4, "\t%u packet%s with internal header not IPv4 received\n");
671: p(ip4s_qfull, "\t%u packet%s were dropeed due to full output queue\n");
672:
673: #undef p
1.1 deraadt 674: }
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