Annotation of src/usr.bin/netstat/inet.c, Revision 1.35
1.35 ! angelos 1: /* $OpenBSD: inet.c,v 1.34 1999/10/29 03:26:40 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
1.35 ! angelos 41: static char *rcsid = "$OpenBSD: inet.c,v 1.34 1999/10/29 03:26:40 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>
74: #include <netinet/ip_ip4.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));
1.1 deraadt 96:
97: /*
98: * Print a summary of connections related to an Internet
99: * protocol. For TCP, also give state of connection.
100: * Listening processes (aflag) are suppressed unless the
101: * -a (all) flag is specified.
102: */
103: void
104: protopr(off, name)
105: u_long off;
106: char *name;
107: {
108: struct inpcbtable table;
109: register struct inpcb *head, *next, *prev;
110: struct inpcb inpcb;
111: int istcp;
112: static int first = 1;
113:
114: if (off == 0)
115: return;
116: istcp = strcmp(name, "tcp") == 0;
117: kread(off, (char *)&table, sizeof table);
118: prev = head =
119: (struct inpcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first;
120: next = table.inpt_queue.cqh_first;
121:
122: while (next != head) {
123: kread((u_long)next, (char *)&inpcb, sizeof inpcb);
124: if (inpcb.inp_queue.cqe_prev != prev) {
125: printf("???\n");
126: break;
127: }
128: prev = next;
129: next = inpcb.inp_queue.cqe_next;
130:
131: if (!aflag &&
132: inet_lnaof(inpcb.inp_laddr) == INADDR_ANY)
133: continue;
134: kread((u_long)inpcb.inp_socket, (char *)&sockb, sizeof (sockb));
135: if (istcp) {
136: kread((u_long)inpcb.inp_ppcb,
137: (char *)&tcpcb, sizeof (tcpcb));
138: }
139: if (first) {
140: printf("Active Internet connections");
141: if (aflag)
142: printf(" (including servers)");
143: putchar('\n');
144: if (Aflag)
1.29 deraadt 145: printf("%-*.*s %-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n",
1.18 millert 146: PLEN, PLEN, "PCB", "Proto", "Recv-Q",
1.29 deraadt 147: "Send-Q", "Local Address",
148: "Foreign Address", "(state)");
1.18 millert 149: else
150: printf("%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
151: "Proto", "Recv-Q", "Send-Q",
152: "Local Address", "Foreign Address",
153: "(state)");
1.1 deraadt 154: first = 0;
155: }
156: if (Aflag)
157: if (istcp)
1.18 millert 158: printf("%*p ", PLEN, inpcb.inp_ppcb);
1.1 deraadt 159: else
1.18 millert 160: printf("%*p ", PLEN, prev);
1.16 millert 161: printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc,
1.1 deraadt 162: sockb.so_snd.sb_cc);
1.5 deraadt 163: inetprint(&inpcb.inp_laddr, (int)inpcb.inp_lport, name, 1);
164: inetprint(&inpcb.inp_faddr, (int)inpcb.inp_fport, name, 0);
1.1 deraadt 165: if (istcp) {
166: if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
167: printf(" %d", tcpcb.t_state);
168: else
169: printf(" %s", tcpstates[tcpcb.t_state]);
170: }
171: putchar('\n');
172: }
173: }
174:
175: /*
176: * Dump TCP statistics structure.
177: */
178: void
179: tcp_stats(off, name)
180: u_long off;
181: char *name;
182: {
183: struct tcpstat tcpstat;
184:
185: if (off == 0)
186: return;
187: printf ("%s:\n", name);
188: kread(off, (char *)&tcpstat, sizeof (tcpstat));
189:
190: #define p(f, m) if (tcpstat.f || sflag <= 1) \
191: printf(m, tcpstat.f, plural(tcpstat.f))
192: #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
193: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
194: #define p3(f, m) if (tcpstat.f || sflag <= 1) \
195: printf(m, tcpstat.f, plurales(tcpstat.f))
196:
1.16 millert 197: p(tcps_sndtotal, "\t%ld packet%s sent\n");
1.1 deraadt 198: p2(tcps_sndpack,tcps_sndbyte,
1.16 millert 199: "\t\t%ld data packet%s (%qd byte%s)\n");
1.1 deraadt 200: p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
1.16 millert 201: "\t\t%ld data packet%s (%qd byte%s) retransmitted\n");
1.26 provos 202: p(tcps_sndrexmitfast, "\t\t%qd fast retransmitted packet%s\n");
1.1 deraadt 203: p2(tcps_sndacks, tcps_delack,
1.16 millert 204: "\t\t%ld ack-only packet%s (%ld delayed)\n");
205: p(tcps_sndurg, "\t\t%ld URG only packet%s\n");
206: p(tcps_sndprobe, "\t\t%ld window probe packet%s\n");
207: p(tcps_sndwinup, "\t\t%ld window update packet%s\n");
208: p(tcps_sndctrl, "\t\t%ld control packet%s\n");
209: p(tcps_rcvtotal, "\t%ld packet%s received\n");
210: p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%ld ack%s (for %qd byte%s)\n");
211: p(tcps_rcvdupack, "\t\t%ld duplicate ack%s\n");
212: p(tcps_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n");
1.1 deraadt 213: p2(tcps_rcvpack, tcps_rcvbyte,
1.16 millert 214: "\t\t%ld packet%s (%qd byte%s) received in-sequence\n");
1.1 deraadt 215: p2(tcps_rcvduppack, tcps_rcvdupbyte,
1.16 millert 216: "\t\t%ld completely duplicate packet%s (%qd byte%s)\n");
217: p(tcps_pawsdrop, "\t\t%ld old duplicate packet%s\n");
1.1 deraadt 218: p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
1.16 millert 219: "\t\t%ld packet%s with some dup. data (%qd byte%s duped)\n");
1.1 deraadt 220: p2(tcps_rcvoopack, tcps_rcvoobyte,
1.16 millert 221: "\t\t%ld out-of-order packet%s (%qd byte%s)\n");
1.1 deraadt 222: p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
1.16 millert 223: "\t\t%ld packet%s (%qd byte%s) of data after window\n");
224: p(tcps_rcvwinprobe, "\t\t%ld window probe%s\n");
225: p(tcps_rcvwinupd, "\t\t%ld window update packet%s\n");
226: p(tcps_rcvafterclose, "\t\t%ld packet%s received after close\n");
227: p(tcps_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n");
228: p(tcps_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n");
229: p(tcps_rcvshort, "\t\t%ld discarded because packet too short\n");
1.31 provos 230: p(tcps_rcvnosec, "\t\t%ld discarded for missing IPSec protection\n");
1.16 millert 231: p(tcps_connattempt, "\t%ld connection request%s\n");
232: p(tcps_accepts, "\t%ld connection accept%s\n");
233: p(tcps_connects, "\t%ld connection%s established (including accepts)\n");
1.1 deraadt 234: p2(tcps_closed, tcps_drops,
1.16 millert 235: "\t%ld connection%s closed (including %ld drop%s)\n");
236: p(tcps_conndrops, "\t%ld embryonic connection%s dropped\n");
1.1 deraadt 237: p2(tcps_rttupdated, tcps_segstimed,
1.16 millert 238: "\t%ld segment%s updated rtt (of %ld attempt%s)\n");
239: p(tcps_rexmttimeo, "\t%ld retransmit timeout%s\n");
240: p(tcps_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n");
241: p(tcps_persisttimeo, "\t%ld persist timeout%s\n");
242: p(tcps_keeptimeo, "\t%ld keepalive timeout%s\n");
243: p(tcps_keepprobe, "\t\t%ld keepalive probe%s sent\n");
244: p(tcps_keepdrops, "\t\t%ld connection%s dropped by keepalive\n");
245: p(tcps_predack, "\t%ld correct ACK header prediction%s\n");
246: p(tcps_preddat, "\t%ld correct data packet header prediction%s\n");
247: p3(tcps_pcbhashmiss, "\t%ld PCB cache miss%s\n");
1.24 angelos 248: p(tcps_badsyn, "\t%ld SYN packet%s received with same src/dst address/port\n");
1.1 deraadt 249: #undef p
250: #undef p2
251: #undef p3
252: }
253:
254: /*
255: * Dump UDP statistics structure.
256: */
257: void
258: udp_stats(off, name)
259: u_long off;
260: char *name;
261: {
262: struct udpstat udpstat;
263: u_long delivered;
264:
265: if (off == 0)
266: return;
267: kread(off, (char *)&udpstat, sizeof (udpstat));
268: printf("%s:\n", name);
269: #define p(f, m) if (udpstat.f || sflag <= 1) \
270: printf(m, udpstat.f, plural(udpstat.f))
1.16 millert 271: p(udps_ipackets, "\t%lu datagram%s received\n");
272: p(udps_hdrops, "\t%lu with incomplete header\n");
273: p(udps_badlen, "\t%lu with bad data length field\n");
274: p(udps_badsum, "\t%lu with bad checksum\n");
1.27 deraadt 275: p(udps_nosum, "\t%lu with no checksum\n");
1.16 millert 276: p(udps_noport, "\t%lu dropped due to no socket\n");
277: p(udps_noportbcast, "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
1.31 provos 278: p(udps_nosec, "\t%lu dropped due to missing IPSec protection\n");
1.16 millert 279: p(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
1.1 deraadt 280: delivered = udpstat.udps_ipackets -
281: udpstat.udps_hdrops -
282: udpstat.udps_badlen -
283: udpstat.udps_badsum -
284: udpstat.udps_noport -
285: udpstat.udps_noportbcast -
286: udpstat.udps_fullsock;
287: if (delivered || sflag <= 1)
1.16 millert 288: printf("\t%lu delivered\n", delivered);
289: p(udps_opackets, "\t%lu datagram%s output\n");
1.22 provos 290: p(udps_pcbhashmiss, "\t%lu missed PCB cache\n");
1.1 deraadt 291: #undef p
292: }
293:
294: /*
295: * Dump IP statistics structure.
296: */
297: void
298: ip_stats(off, name)
299: u_long off;
300: char *name;
301: {
302: struct ipstat ipstat;
303:
304: if (off == 0)
305: return;
306: kread(off, (char *)&ipstat, sizeof (ipstat));
307: printf("%s:\n", name);
308:
309: #define p(f, m) if (ipstat.f || sflag <= 1) \
310: printf(m, ipstat.f, plural(ipstat.f))
311:
1.16 millert 312: p(ips_total, "\t%lu total packet%s received\n");
313: p(ips_badsum, "\t%lu bad header checksum%s\n");
314: p(ips_toosmall, "\t%lu with size smaller than minimum\n");
315: p(ips_tooshort, "\t%lu with data size < data length\n");
316: p(ips_badhlen, "\t%lu with header length < data size\n");
317: p(ips_badlen, "\t%lu with data length < header length\n");
318: p(ips_badoptions, "\t%lu with bad options\n");
319: p(ips_badvers, "\t%lu with incorrect version number\n");
320: p(ips_fragments, "\t%lu fragment%s received\n");
321: p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
322: p(ips_badfrags, "\t%lu malformed fragment%s dropped\n");
323: p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
324: p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
325: p(ips_delivered, "\t%lu packet%s for this host\n");
326: p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
327: p(ips_forward, "\t%lu packet%s forwarded\n");
328: p(ips_cantforward, "\t%lu packet%s not forwardable\n");
329: p(ips_redirectsent, "\t%lu redirect%s sent\n");
330: p(ips_localout, "\t%lu packet%s sent from this host\n");
331: p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
332: p(ips_odropped, "\t%lu output packet%s dropped due to no bufs, etc.\n");
333: p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
334: p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
335: p(ips_ofragments, "\t%lu fragment%s created\n");
336: p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
1.28 deraadt 337: p(ips_rcvmemdrop, "\t%lu fragment floods\n");
1.1 deraadt 338: #undef p
339: }
340:
341: static char *icmpnames[] = {
342: "echo reply",
343: "#1",
344: "#2",
345: "destination unreachable",
346: "source quench",
347: "routing redirect",
348: "#6",
349: "#7",
350: "echo",
1.9 deraadt 351: "router advertisement",
352: "router solicitation",
1.1 deraadt 353: "time exceeded",
354: "parameter problem",
355: "time stamp",
356: "time stamp reply",
357: "information request",
358: "information request reply",
359: "address mask request",
360: "address mask reply",
361: };
362:
363: /*
364: * Dump ICMP statistics.
365: */
366: void
367: icmp_stats(off, name)
368: u_long off;
369: char *name;
370: {
371: struct icmpstat icmpstat;
372: register int i, first;
373:
374: if (off == 0)
375: return;
376: kread(off, (char *)&icmpstat, sizeof (icmpstat));
377: printf("%s:\n", name);
378:
379: #define p(f, m) if (icmpstat.f || sflag <= 1) \
380: printf(m, icmpstat.f, plural(icmpstat.f))
381:
1.16 millert 382: p(icps_error, "\t%lu call%s to icmp_error\n");
1.1 deraadt 383: p(icps_oldicmp,
1.16 millert 384: "\t%lu error%s not generated 'cuz old message was icmp\n");
1.1 deraadt 385: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
386: if (icmpstat.icps_outhist[i] != 0) {
387: if (first) {
388: printf("\tOutput histogram:\n");
389: first = 0;
390: }
1.16 millert 391: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 392: icmpstat.icps_outhist[i]);
393: }
1.16 millert 394: p(icps_badcode, "\t%lu message%s with bad code fields\n");
395: p(icps_tooshort, "\t%lu message%s < minimum length\n");
396: p(icps_checksum, "\t%lu bad checksum%s\n");
397: p(icps_badlen, "\t%lu message%s with bad length\n");
1.1 deraadt 398: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
399: if (icmpstat.icps_inhist[i] != 0) {
400: if (first) {
401: printf("\tInput histogram:\n");
402: first = 0;
403: }
1.16 millert 404: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 405: icmpstat.icps_inhist[i]);
406: }
1.16 millert 407: p(icps_reflect, "\t%lu message response%s generated\n");
1.1 deraadt 408: #undef p
409: }
410:
411: /*
412: * Dump IGMP statistics structure.
413: */
414: void
415: igmp_stats(off, name)
416: u_long off;
417: char *name;
418: {
419: struct igmpstat igmpstat;
420:
421: if (off == 0)
422: return;
423: kread(off, (char *)&igmpstat, sizeof (igmpstat));
424: printf("%s:\n", name);
425:
426: #define p(f, m) if (igmpstat.f || sflag <= 1) \
427: printf(m, igmpstat.f, plural(igmpstat.f))
428: #define py(f, m) if (igmpstat.f || sflag <= 1) \
429: printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
1.16 millert 430: p(igps_rcv_total, "\t%lu message%s received\n");
431: p(igps_rcv_tooshort, "\t%lu message%s received with too few bytes\n");
432: p(igps_rcv_badsum, "\t%lu message%s received with bad checksum\n");
433: py(igps_rcv_queries, "\t%lu membership quer%s received\n");
434: py(igps_rcv_badqueries, "\t%lu membership quer%s received with invalid field(s)\n");
435: p(igps_rcv_reports, "\t%lu membership report%s received\n");
436: p(igps_rcv_badreports, "\t%lu membership report%s received with invalid field(s)\n");
437: p(igps_rcv_ourreports, "\t%lu membership report%s received for groups to which we belong\n");
438: p(igps_snd_reports, "\t%lu membership report%s sent\n");
1.1 deraadt 439: #undef p
440: #undef py
441: }
442:
1.5 deraadt 443: struct rpcnams {
444: struct rpcnams *next;
1.16 millert 445: in_port_t port;
1.21 deraadt 446: int proto;
1.5 deraadt 447: char *rpcname;
448: };
449:
450: char *
1.21 deraadt 451: getrpcportnam(port, proto)
1.16 millert 452: in_port_t port;
1.21 deraadt 453: int proto;
1.5 deraadt 454: {
455: struct sockaddr_in server_addr;
456: register struct hostent *hp;
457: static struct pmaplist *head;
458: int socket = RPC_ANYSOCK;
459: struct timeval minutetimeout;
460: register CLIENT *client;
461: struct rpcent *rpc;
462: static int first;
463: static struct rpcnams *rpcn;
464: struct rpcnams *n;
1.23 deraadt 465: char num[20];
1.5 deraadt 466:
467: if (first == 0) {
468: first = 1;
1.7 deraadt 469: memset((char *)&server_addr, 0, sizeof server_addr);
1.5 deraadt 470: server_addr.sin_family = AF_INET;
471: if ((hp = gethostbyname("localhost")) != NULL)
1.7 deraadt 472: memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
1.5 deraadt 473: hp->h_length);
474: else
475: (void) inet_aton("0.0.0.0", &server_addr.sin_addr);
476:
477: minutetimeout.tv_sec = 60;
478: minutetimeout.tv_usec = 0;
479: server_addr.sin_port = htons(PMAPPORT);
480: if ((client = clnttcp_create(&server_addr, PMAPPROG,
1.7 deraadt 481: PMAPVERS, &socket, 50, 500)) == NULL)
482: return (NULL);
1.5 deraadt 483: if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
1.8 deraadt 484: xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
1.7 deraadt 485: clnt_destroy(client);
486: return (NULL);
1.5 deraadt 487: }
488: for (; head != NULL; head = head->pml_next) {
489: n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
490: if (n == NULL)
491: continue;
492: n->next = rpcn;
493: rpcn = n;
494: n->port = head->pml_map.pm_port;
1.21 deraadt 495: n->proto = head->pml_map.pm_prot;
1.5 deraadt 496:
497: rpc = getrpcbynumber(head->pml_map.pm_prog);
498: if (rpc)
499: n->rpcname = strdup(rpc->r_name);
500: else {
1.23 deraadt 501: snprintf(num, sizeof num, "%ld",
502: head->pml_map.pm_prog);
1.5 deraadt 503: n->rpcname = strdup(num);
504: }
505: }
506: clnt_destroy(client);
507: }
508:
509: for (n = rpcn; n; n = n->next)
1.21 deraadt 510: if (n->port == port && n->proto == proto)
1.5 deraadt 511: return (n->rpcname);
512: return (NULL);
513: }
514:
1.1 deraadt 515: /*
516: * Pretty print an Internet address (net address + port).
517: * If the nflag was specified, use numbers instead of names.
518: */
519: void
1.5 deraadt 520: inetprint(in, port, proto, local)
1.1 deraadt 521: register struct in_addr *in;
1.16 millert 522: in_port_t port;
1.1 deraadt 523: char *proto;
1.5 deraadt 524: int local;
1.1 deraadt 525: {
526: struct servent *sp = 0;
1.5 deraadt 527: char line[80], *cp, *nam;
1.21 deraadt 528: int proton;
1.1 deraadt 529: int width;
530:
1.23 deraadt 531: snprintf(line, sizeof line, "%.*s.", (Aflag && !nflag) ? 12 : 16,
532: inetname(in));
1.4 millert 533: cp = strchr(line, '\0');
1.1 deraadt 534: if (!nflag && port)
535: sp = getservbyport((int)port, proto);
536: if (sp || port == 0)
1.23 deraadt 537: snprintf(cp, line + sizeof line - cp, "%.8s",
538: sp ? sp->s_name : "*");
1.21 deraadt 539: else if (local && !nflag && (nam = getrpcportnam(ntohs(port),
540: (strcmp(proto, "tcp") == 0 ? IPPROTO_TCP : IPPROTO_UDP))))
1.23 deraadt 541: snprintf(cp, line + sizeof line - cp, "%d[%.8s]",
542: ntohs(port), nam);
1.1 deraadt 543: else
1.23 deraadt 544: snprintf(cp, line + sizeof line - cp, "%d", ntohs(port));
1.1 deraadt 545: width = Aflag ? 18 : 22;
546: printf(" %-*.*s", width, width, line);
547: }
548:
549: /*
550: * Construct an Internet address representation.
551: * If the nflag has been supplied, give
552: * numeric value, otherwise try for symbolic name.
553: */
554: char *
555: inetname(inp)
556: struct in_addr *inp;
557: {
558: register char *cp;
559: static char line[50];
560: struct hostent *hp;
561: struct netent *np;
562: static char domain[MAXHOSTNAMELEN + 1];
563: static int first = 1;
564:
565: if (first && !nflag) {
566: first = 0;
567: if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
1.4 millert 568: (cp = strchr(domain, '.')))
1.1 deraadt 569: (void) strcpy(domain, cp + 1);
570: else
571: domain[0] = 0;
572: }
573: cp = 0;
574: if (!nflag && inp->s_addr != INADDR_ANY) {
575: int net = inet_netof(*inp);
576: int lna = inet_lnaof(*inp);
577:
578: if (lna == INADDR_ANY) {
579: np = getnetbyaddr(net, AF_INET);
580: if (np)
581: cp = np->n_name;
582: }
583: if (cp == 0) {
584: hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
585: if (hp) {
1.4 millert 586: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 587: !strcmp(cp + 1, domain))
588: *cp = 0;
589: cp = hp->h_name;
590: }
591: }
592: }
593: if (inp->s_addr == INADDR_ANY)
1.23 deraadt 594: snprintf(line, sizeof line, "*");
1.1 deraadt 595: else if (cp)
1.23 deraadt 596: snprintf(line, sizeof line, "%s", cp);
1.1 deraadt 597: else {
598: inp->s_addr = ntohl(inp->s_addr);
599: #define C(x) ((x) & 0xff)
1.23 deraadt 600: snprintf(line, sizeof line, "%u.%u.%u.%u",
601: C(inp->s_addr >> 24), C(inp->s_addr >> 16),
602: C(inp->s_addr >> 8), C(inp->s_addr));
1.1 deraadt 603: }
604: return (line);
1.10 angelos 605: }
606:
607: /*
608: * Dump AH statistics structure.
609: */
610: void
611: ah_stats(off, name)
612: u_long off;
613: char *name;
614: {
615: struct ahstat ahstat;
616:
617: if (off == 0)
618: return;
619: kread(off, (char *)&ahstat, sizeof (ahstat));
620: printf("%s:\n", name);
621:
622: #define p(f, m) if (ahstat.f || sflag <= 1) \
623: printf(m, ahstat.f, plural(ahstat.f))
624:
1.11 angelos 625: p(ahs_input, "\t%u input AH packets\n");
626: p(ahs_output, "\t%u output AH packets\n");
1.10 angelos 627: p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
1.33 niklas 628: p(ahs_pdrops, "\t%u packet%s dropped due to policy\n");
1.10 angelos 629: p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
630: p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
631: p(ahs_badauth, "\t%u packet%s that failed verification received\n");
632: p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.19 provos 633: p(ahs_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.10 angelos 634: p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
635: p(ahs_replay, "\t%u possibly replayed packet%s received\n");
636: p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
1.15 provos 637: p(ahs_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.25 niklas 638: p(ahs_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.20 angelos 639: p(ahs_ibytes, "\t%qu input byte%s\n");
640: p(ahs_obytes, "\t%qu output byte%s\n");
641:
1.34 angelos 642: #undef p
643: }
644:
645: /*
646: * Dump etherip statistics structure.
647: */
648: void
649: etherip_stats(off, name)
650: u_long off;
651: char *name;
652: {
653: struct etheripstat etheripstat;
654:
655:
656: if (off == 0)
657: return;
658: kread(off, (char *)ðeripstat, sizeof (etheripstat));
659: printf("%s:\n", name);
660:
661: #define p(f, m) if (etheripstat.f || sflag <= 1) \
662: printf(m, etheripstat.f, plural(etheripstat.f))
663:
664:
665: p(etherip_hdrops, "\t%u packet%s shorter than header shows\n");
666: p(etherip_qfull, "\t%u packet%s were dropped due to full output queue\n");
667: p(etherip_noifdrops, "\t%u packet%s were dropped because of no interface/bridge information\n");
668: p(etherip_pdrops, "\t%u packet%s dropped due to policy\n");
669: p(etherip_adrops, "\t%u packet%s dropped for other reasons\n");
670: p(etherip_ipackets, "\t%u input ethernet-in-IP packets\n");
671: p(etherip_opackets, "\t%u output ethernet-in-IP packets\n");
672: p(etherip_ibytes, "\t%qu input byte%s\n");
673: p(etherip_obytes, "\t%qu output byte%s\n");
1.10 angelos 674: #undef p
675: }
676:
677: /*
678: * Dump ESP statistics structure.
679: */
680: void
681: esp_stats(off, name)
682: u_long off;
683: char *name;
684: {
685: struct espstat espstat;
686:
1.20 angelos 687:
1.10 angelos 688: if (off == 0)
689: return;
690: kread(off, (char *)&espstat, sizeof (espstat));
691: printf("%s:\n", name);
692:
693: #define p(f, m) if (espstat.f || sflag <= 1) \
694: printf(m, espstat.f, plural(espstat.f))
695:
1.12 angelos 696: p(esps_input, "\t%u input ESP packets\n");
697: p(esps_output, "\t%u output ESP packets\n");
1.10 angelos 698: p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
1.33 niklas 699: p(esps_pdrops, "\t%u packet%s dropped due to policy\n");
1.10 angelos 700: p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
701: p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
1.35 ! angelos 702: p(esps_badenc, "\t%u packet%s with bad encryption received\n");
1.10 angelos 703: p(esps_badauth, "\t%u packet%s that failed verification received\n");
704: p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.19 provos 705: p(esps_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.10 angelos 706: p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
707: p(esps_replay, "\t%u possibly replayed packet%s received\n");
708: p(esps_badilen, "\t%u packet%s with payload not a multiple of 8 received\n");
1.15 provos 709: p(esps_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.25 niklas 710: p(esps_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.20 angelos 711: p(esps_ibytes, "\t%qu input byte%s\n");
712: p(esps_obytes, "\t%qu output byte%s\n");
1.10 angelos 713:
714: #undef p
715: }
716:
717: /*
718: * Dump ESP statistics structure.
719: */
720: void
721: ip4_stats(off, name)
722: u_long off;
723: char *name;
724: {
725: struct ip4stat ip4stat;
726:
727: if (off == 0)
728: return;
729: kread(off, (char *)&ip4stat, sizeof (ip4stat));
730: printf("%s:\n", name);
731:
732: #define p(f, m) if (ip4stat.f || sflag <= 1) \
733: printf(m, ip4stat.f, plural(ip4stat.f))
734:
735: p(ip4s_ipackets, "\t%u total input packet%s\n");
1.11 angelos 736: p(ip4s_opackets, "\t%u total output packet%s\n");
1.10 angelos 737: p(ip4s_hdrops, "\t%u packet%s shorter than header shows\n");
1.32 niklas 738: p(ip4s_pdrops, "\t%u packet%s dropped due to policy\n");
739: p(ip4s_spoof, "\t%u packet%s with possibly spoofed local addresses\n");
1.10 angelos 740: p(ip4s_notip4, "\t%u packet%s with internal header not IPv4 received\n");
1.19 provos 741: p(ip4s_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.20 angelos 742: p(ip4s_ibytes, "\t%qu input byte%s\n");
743: p(ip4s_obytes, "\t%qu output byte%s\n");
1.10 angelos 744:
745: #undef p
1.1 deraadt 746: }
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