Annotation of src/usr.bin/netstat/inet.c, Revision 1.24
1.24 ! angelos 1: /* $OpenBSD: inet.c,v 1.23 1998/02/27 12:07:33 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
1.24 ! angelos 41: static char *rcsid = "$OpenBSD: inet.c,v 1.23 1998/02/27 12:07:33 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>
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:
92: char *inetname __P((struct in_addr *));
1.5 deraadt 93: void inetprint __P((struct in_addr *, int, char *, int));
1.1 deraadt 94:
95: /*
96: * Print a summary of connections related to an Internet
97: * protocol. For TCP, also give state of connection.
98: * Listening processes (aflag) are suppressed unless the
99: * -a (all) flag is specified.
100: */
101: void
102: protopr(off, name)
103: u_long off;
104: char *name;
105: {
106: struct inpcbtable table;
107: register struct inpcb *head, *next, *prev;
108: struct inpcb inpcb;
109: int istcp;
110: static int first = 1;
111:
112: if (off == 0)
113: return;
114: istcp = strcmp(name, "tcp") == 0;
115: kread(off, (char *)&table, sizeof table);
116: prev = head =
117: (struct inpcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first;
118: next = table.inpt_queue.cqh_first;
119:
120: while (next != head) {
121: kread((u_long)next, (char *)&inpcb, sizeof inpcb);
122: if (inpcb.inp_queue.cqe_prev != prev) {
123: printf("???\n");
124: break;
125: }
126: prev = next;
127: next = inpcb.inp_queue.cqe_next;
128:
129: if (!aflag &&
130: inet_lnaof(inpcb.inp_laddr) == INADDR_ANY)
131: continue;
132: kread((u_long)inpcb.inp_socket, (char *)&sockb, sizeof (sockb));
133: if (istcp) {
134: kread((u_long)inpcb.inp_ppcb,
135: (char *)&tcpcb, sizeof (tcpcb));
136: }
137: if (first) {
138: printf("Active Internet connections");
139: if (aflag)
140: printf(" (including servers)");
141: putchar('\n');
142: if (Aflag)
1.18 millert 143: printf("%-*.*s %-5.5s %-6.6s %-6.6s %-*.*s %-*.*s %s\n",
144: PLEN, PLEN, "PCB", "Proto", "Recv-Q",
145: "Send-Q", PLEN, PLEN, "Local Address",
146: PLEN, PLEN, "Foreign Address", "(state)");
147: else
148: printf("%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
149: "Proto", "Recv-Q", "Send-Q",
150: "Local Address", "Foreign Address",
151: "(state)");
1.1 deraadt 152: first = 0;
153: }
154: if (Aflag)
155: if (istcp)
1.18 millert 156: printf("%*p ", PLEN, inpcb.inp_ppcb);
1.1 deraadt 157: else
1.18 millert 158: printf("%*p ", PLEN, prev);
1.16 millert 159: printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc,
1.1 deraadt 160: sockb.so_snd.sb_cc);
1.5 deraadt 161: inetprint(&inpcb.inp_laddr, (int)inpcb.inp_lport, name, 1);
162: inetprint(&inpcb.inp_faddr, (int)inpcb.inp_fport, name, 0);
1.1 deraadt 163: if (istcp) {
164: if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
165: printf(" %d", tcpcb.t_state);
166: else
167: printf(" %s", tcpstates[tcpcb.t_state]);
168: }
169: putchar('\n');
170: }
171: }
172:
173: /*
174: * Dump TCP statistics structure.
175: */
176: void
177: tcp_stats(off, name)
178: u_long off;
179: char *name;
180: {
181: struct tcpstat tcpstat;
182:
183: if (off == 0)
184: return;
185: printf ("%s:\n", name);
186: kread(off, (char *)&tcpstat, sizeof (tcpstat));
187:
188: #define p(f, m) if (tcpstat.f || sflag <= 1) \
189: printf(m, tcpstat.f, plural(tcpstat.f))
190: #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
191: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
192: #define p3(f, m) if (tcpstat.f || sflag <= 1) \
193: printf(m, tcpstat.f, plurales(tcpstat.f))
194:
1.16 millert 195: p(tcps_sndtotal, "\t%ld packet%s sent\n");
1.1 deraadt 196: p2(tcps_sndpack,tcps_sndbyte,
1.16 millert 197: "\t\t%ld data packet%s (%qd byte%s)\n");
1.1 deraadt 198: p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
1.16 millert 199: "\t\t%ld data packet%s (%qd byte%s) retransmitted\n");
1.1 deraadt 200: p2(tcps_sndacks, tcps_delack,
1.16 millert 201: "\t\t%ld ack-only packet%s (%ld delayed)\n");
202: p(tcps_sndurg, "\t\t%ld URG only packet%s\n");
203: p(tcps_sndprobe, "\t\t%ld window probe packet%s\n");
204: p(tcps_sndwinup, "\t\t%ld window update packet%s\n");
205: p(tcps_sndctrl, "\t\t%ld control packet%s\n");
206: p(tcps_rcvtotal, "\t%ld packet%s received\n");
207: p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%ld ack%s (for %qd byte%s)\n");
208: p(tcps_rcvdupack, "\t\t%ld duplicate ack%s\n");
209: p(tcps_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n");
1.1 deraadt 210: p2(tcps_rcvpack, tcps_rcvbyte,
1.16 millert 211: "\t\t%ld packet%s (%qd byte%s) received in-sequence\n");
1.1 deraadt 212: p2(tcps_rcvduppack, tcps_rcvdupbyte,
1.16 millert 213: "\t\t%ld completely duplicate packet%s (%qd byte%s)\n");
214: p(tcps_pawsdrop, "\t\t%ld old duplicate packet%s\n");
1.1 deraadt 215: p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
1.16 millert 216: "\t\t%ld packet%s with some dup. data (%qd byte%s duped)\n");
1.1 deraadt 217: p2(tcps_rcvoopack, tcps_rcvoobyte,
1.16 millert 218: "\t\t%ld out-of-order packet%s (%qd byte%s)\n");
1.1 deraadt 219: p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
1.16 millert 220: "\t\t%ld packet%s (%qd byte%s) of data after window\n");
221: p(tcps_rcvwinprobe, "\t\t%ld window probe%s\n");
222: p(tcps_rcvwinupd, "\t\t%ld window update packet%s\n");
223: p(tcps_rcvafterclose, "\t\t%ld packet%s received after close\n");
224: p(tcps_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n");
225: p(tcps_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n");
226: p(tcps_rcvshort, "\t\t%ld discarded because packet too short\n");
227: p(tcps_connattempt, "\t%ld connection request%s\n");
228: p(tcps_accepts, "\t%ld connection accept%s\n");
229: p(tcps_connects, "\t%ld connection%s established (including accepts)\n");
1.1 deraadt 230: p2(tcps_closed, tcps_drops,
1.16 millert 231: "\t%ld connection%s closed (including %ld drop%s)\n");
232: p(tcps_conndrops, "\t%ld embryonic connection%s dropped\n");
1.1 deraadt 233: p2(tcps_rttupdated, tcps_segstimed,
1.16 millert 234: "\t%ld segment%s updated rtt (of %ld attempt%s)\n");
235: p(tcps_rexmttimeo, "\t%ld retransmit timeout%s\n");
236: p(tcps_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n");
237: p(tcps_persisttimeo, "\t%ld persist timeout%s\n");
238: p(tcps_keeptimeo, "\t%ld keepalive timeout%s\n");
239: p(tcps_keepprobe, "\t\t%ld keepalive probe%s sent\n");
240: p(tcps_keepdrops, "\t\t%ld connection%s dropped by keepalive\n");
241: p(tcps_predack, "\t%ld correct ACK header prediction%s\n");
242: p(tcps_preddat, "\t%ld correct data packet header prediction%s\n");
243: p3(tcps_pcbhashmiss, "\t%ld PCB cache miss%s\n");
1.24 ! angelos 244: p(tcps_badsyn, "\t%ld SYN packet%s received with same src/dst address/port\n");
1.1 deraadt 245: #undef p
246: #undef p2
247: #undef p3
248: }
249:
250: /*
251: * Dump UDP statistics structure.
252: */
253: void
254: udp_stats(off, name)
255: u_long off;
256: char *name;
257: {
258: struct udpstat udpstat;
259: u_long delivered;
260:
261: if (off == 0)
262: return;
263: kread(off, (char *)&udpstat, sizeof (udpstat));
264: printf("%s:\n", name);
265: #define p(f, m) if (udpstat.f || sflag <= 1) \
266: printf(m, udpstat.f, plural(udpstat.f))
1.16 millert 267: p(udps_ipackets, "\t%lu datagram%s received\n");
268: p(udps_hdrops, "\t%lu with incomplete header\n");
269: p(udps_badlen, "\t%lu with bad data length field\n");
270: p(udps_badsum, "\t%lu with bad checksum\n");
271: p(udps_noport, "\t%lu dropped due to no socket\n");
272: p(udps_noportbcast, "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
273: p(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
1.1 deraadt 274: delivered = udpstat.udps_ipackets -
275: udpstat.udps_hdrops -
276: udpstat.udps_badlen -
277: udpstat.udps_badsum -
278: udpstat.udps_noport -
279: udpstat.udps_noportbcast -
280: udpstat.udps_fullsock;
281: if (delivered || sflag <= 1)
1.16 millert 282: printf("\t%lu delivered\n", delivered);
283: p(udps_opackets, "\t%lu datagram%s output\n");
1.22 provos 284: p(udps_pcbhashmiss, "\t%lu missed PCB cache\n");
1.1 deraadt 285: #undef p
286: }
287:
288: /*
289: * Dump IP statistics structure.
290: */
291: void
292: ip_stats(off, name)
293: u_long off;
294: char *name;
295: {
296: struct ipstat ipstat;
297:
298: if (off == 0)
299: return;
300: kread(off, (char *)&ipstat, sizeof (ipstat));
301: printf("%s:\n", name);
302:
303: #define p(f, m) if (ipstat.f || sflag <= 1) \
304: printf(m, ipstat.f, plural(ipstat.f))
305:
1.16 millert 306: p(ips_total, "\t%lu total packet%s received\n");
307: p(ips_badsum, "\t%lu bad header checksum%s\n");
308: p(ips_toosmall, "\t%lu with size smaller than minimum\n");
309: p(ips_tooshort, "\t%lu with data size < data length\n");
310: p(ips_badhlen, "\t%lu with header length < data size\n");
311: p(ips_badlen, "\t%lu with data length < header length\n");
312: p(ips_badoptions, "\t%lu with bad options\n");
313: p(ips_badvers, "\t%lu with incorrect version number\n");
314: p(ips_fragments, "\t%lu fragment%s received\n");
315: p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
316: p(ips_badfrags, "\t%lu malformed fragment%s dropped\n");
317: p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
318: p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
319: p(ips_delivered, "\t%lu packet%s for this host\n");
320: p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
321: p(ips_forward, "\t%lu packet%s forwarded\n");
322: p(ips_cantforward, "\t%lu packet%s not forwardable\n");
323: p(ips_redirectsent, "\t%lu redirect%s sent\n");
324: p(ips_localout, "\t%lu packet%s sent from this host\n");
325: p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
326: p(ips_odropped, "\t%lu output packet%s dropped due to no bufs, etc.\n");
327: p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
328: p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
329: p(ips_ofragments, "\t%lu fragment%s created\n");
330: p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
1.1 deraadt 331: #undef p
332: }
333:
334: static char *icmpnames[] = {
335: "echo reply",
336: "#1",
337: "#2",
338: "destination unreachable",
339: "source quench",
340: "routing redirect",
341: "#6",
342: "#7",
343: "echo",
1.9 deraadt 344: "router advertisement",
345: "router solicitation",
1.1 deraadt 346: "time exceeded",
347: "parameter problem",
348: "time stamp",
349: "time stamp reply",
350: "information request",
351: "information request reply",
352: "address mask request",
353: "address mask reply",
354: };
355:
356: /*
357: * Dump ICMP statistics.
358: */
359: void
360: icmp_stats(off, name)
361: u_long off;
362: char *name;
363: {
364: struct icmpstat icmpstat;
365: register int i, first;
366:
367: if (off == 0)
368: return;
369: kread(off, (char *)&icmpstat, sizeof (icmpstat));
370: printf("%s:\n", name);
371:
372: #define p(f, m) if (icmpstat.f || sflag <= 1) \
373: printf(m, icmpstat.f, plural(icmpstat.f))
374:
1.16 millert 375: p(icps_error, "\t%lu call%s to icmp_error\n");
1.1 deraadt 376: p(icps_oldicmp,
1.16 millert 377: "\t%lu error%s not generated 'cuz old message was icmp\n");
1.1 deraadt 378: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
379: if (icmpstat.icps_outhist[i] != 0) {
380: if (first) {
381: printf("\tOutput histogram:\n");
382: first = 0;
383: }
1.16 millert 384: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 385: icmpstat.icps_outhist[i]);
386: }
1.16 millert 387: p(icps_badcode, "\t%lu message%s with bad code fields\n");
388: p(icps_tooshort, "\t%lu message%s < minimum length\n");
389: p(icps_checksum, "\t%lu bad checksum%s\n");
390: p(icps_badlen, "\t%lu message%s with bad length\n");
1.1 deraadt 391: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
392: if (icmpstat.icps_inhist[i] != 0) {
393: if (first) {
394: printf("\tInput histogram:\n");
395: first = 0;
396: }
1.16 millert 397: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 398: icmpstat.icps_inhist[i]);
399: }
1.16 millert 400: p(icps_reflect, "\t%lu message response%s generated\n");
1.1 deraadt 401: #undef p
402: }
403:
404: /*
405: * Dump IGMP statistics structure.
406: */
407: void
408: igmp_stats(off, name)
409: u_long off;
410: char *name;
411: {
412: struct igmpstat igmpstat;
413:
414: if (off == 0)
415: return;
416: kread(off, (char *)&igmpstat, sizeof (igmpstat));
417: printf("%s:\n", name);
418:
419: #define p(f, m) if (igmpstat.f || sflag <= 1) \
420: printf(m, igmpstat.f, plural(igmpstat.f))
421: #define py(f, m) if (igmpstat.f || sflag <= 1) \
422: printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
1.16 millert 423: p(igps_rcv_total, "\t%lu message%s received\n");
424: p(igps_rcv_tooshort, "\t%lu message%s received with too few bytes\n");
425: p(igps_rcv_badsum, "\t%lu message%s received with bad checksum\n");
426: py(igps_rcv_queries, "\t%lu membership quer%s received\n");
427: py(igps_rcv_badqueries, "\t%lu membership quer%s received with invalid field(s)\n");
428: p(igps_rcv_reports, "\t%lu membership report%s received\n");
429: p(igps_rcv_badreports, "\t%lu membership report%s received with invalid field(s)\n");
430: p(igps_rcv_ourreports, "\t%lu membership report%s received for groups to which we belong\n");
431: p(igps_snd_reports, "\t%lu membership report%s sent\n");
1.1 deraadt 432: #undef p
433: #undef py
434: }
435:
1.5 deraadt 436: struct rpcnams {
437: struct rpcnams *next;
1.16 millert 438: in_port_t port;
1.21 deraadt 439: int proto;
1.5 deraadt 440: char *rpcname;
441: };
442:
443: char *
1.21 deraadt 444: getrpcportnam(port, proto)
1.16 millert 445: in_port_t port;
1.21 deraadt 446: int proto;
1.5 deraadt 447: {
448: struct sockaddr_in server_addr;
449: register struct hostent *hp;
450: static struct pmaplist *head;
451: int socket = RPC_ANYSOCK;
452: struct timeval minutetimeout;
453: register CLIENT *client;
454: struct rpcent *rpc;
455: static int first;
456: static struct rpcnams *rpcn;
457: struct rpcnams *n;
1.23 deraadt 458: char num[20];
1.5 deraadt 459:
460: if (first == 0) {
461: first = 1;
1.7 deraadt 462: memset((char *)&server_addr, 0, sizeof server_addr);
1.5 deraadt 463: server_addr.sin_family = AF_INET;
464: if ((hp = gethostbyname("localhost")) != NULL)
1.7 deraadt 465: memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
1.5 deraadt 466: hp->h_length);
467: else
468: (void) inet_aton("0.0.0.0", &server_addr.sin_addr);
469:
470: minutetimeout.tv_sec = 60;
471: minutetimeout.tv_usec = 0;
472: server_addr.sin_port = htons(PMAPPORT);
473: if ((client = clnttcp_create(&server_addr, PMAPPROG,
1.7 deraadt 474: PMAPVERS, &socket, 50, 500)) == NULL)
475: return (NULL);
1.5 deraadt 476: if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
1.8 deraadt 477: xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
1.7 deraadt 478: clnt_destroy(client);
479: return (NULL);
1.5 deraadt 480: }
481: for (; head != NULL; head = head->pml_next) {
482: n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
483: if (n == NULL)
484: continue;
485: n->next = rpcn;
486: rpcn = n;
487: n->port = head->pml_map.pm_port;
1.21 deraadt 488: n->proto = head->pml_map.pm_prot;
1.5 deraadt 489:
490: rpc = getrpcbynumber(head->pml_map.pm_prog);
491: if (rpc)
492: n->rpcname = strdup(rpc->r_name);
493: else {
1.23 deraadt 494: snprintf(num, sizeof num, "%ld",
495: head->pml_map.pm_prog);
1.5 deraadt 496: n->rpcname = strdup(num);
497: }
498: }
499: clnt_destroy(client);
500: }
501:
502: for (n = rpcn; n; n = n->next)
1.21 deraadt 503: if (n->port == port && n->proto == proto)
1.5 deraadt 504: return (n->rpcname);
505: return (NULL);
506: }
507:
1.1 deraadt 508: /*
509: * Pretty print an Internet address (net address + port).
510: * If the nflag was specified, use numbers instead of names.
511: */
512: void
1.5 deraadt 513: inetprint(in, port, proto, local)
1.1 deraadt 514: register struct in_addr *in;
1.16 millert 515: in_port_t port;
1.1 deraadt 516: char *proto;
1.5 deraadt 517: int local;
1.1 deraadt 518: {
519: struct servent *sp = 0;
1.5 deraadt 520: char line[80], *cp, *nam;
1.21 deraadt 521: int proton;
1.1 deraadt 522: int width;
523:
1.23 deraadt 524: snprintf(line, sizeof line, "%.*s.", (Aflag && !nflag) ? 12 : 16,
525: inetname(in));
1.4 millert 526: cp = strchr(line, '\0');
1.1 deraadt 527: if (!nflag && port)
528: sp = getservbyport((int)port, proto);
529: if (sp || port == 0)
1.23 deraadt 530: snprintf(cp, line + sizeof line - cp, "%.8s",
531: sp ? sp->s_name : "*");
1.21 deraadt 532: else if (local && !nflag && (nam = getrpcportnam(ntohs(port),
533: (strcmp(proto, "tcp") == 0 ? IPPROTO_TCP : IPPROTO_UDP))))
1.23 deraadt 534: snprintf(cp, line + sizeof line - cp, "%d[%.8s]",
535: ntohs(port), nam);
1.1 deraadt 536: else
1.23 deraadt 537: snprintf(cp, line + sizeof line - cp, "%d", ntohs(port));
1.1 deraadt 538: width = Aflag ? 18 : 22;
539: printf(" %-*.*s", width, width, line);
540: }
541:
542: /*
543: * Construct an Internet address representation.
544: * If the nflag has been supplied, give
545: * numeric value, otherwise try for symbolic name.
546: */
547: char *
548: inetname(inp)
549: struct in_addr *inp;
550: {
551: register char *cp;
552: static char line[50];
553: struct hostent *hp;
554: struct netent *np;
555: static char domain[MAXHOSTNAMELEN + 1];
556: static int first = 1;
557:
558: if (first && !nflag) {
559: first = 0;
560: if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
1.4 millert 561: (cp = strchr(domain, '.')))
1.1 deraadt 562: (void) strcpy(domain, cp + 1);
563: else
564: domain[0] = 0;
565: }
566: cp = 0;
567: if (!nflag && inp->s_addr != INADDR_ANY) {
568: int net = inet_netof(*inp);
569: int lna = inet_lnaof(*inp);
570:
571: if (lna == INADDR_ANY) {
572: np = getnetbyaddr(net, AF_INET);
573: if (np)
574: cp = np->n_name;
575: }
576: if (cp == 0) {
577: hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
578: if (hp) {
1.4 millert 579: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 580: !strcmp(cp + 1, domain))
581: *cp = 0;
582: cp = hp->h_name;
583: }
584: }
585: }
586: if (inp->s_addr == INADDR_ANY)
1.23 deraadt 587: snprintf(line, sizeof line, "*");
1.1 deraadt 588: else if (cp)
1.23 deraadt 589: snprintf(line, sizeof line, "%s", cp);
1.1 deraadt 590: else {
591: inp->s_addr = ntohl(inp->s_addr);
592: #define C(x) ((x) & 0xff)
1.23 deraadt 593: snprintf(line, sizeof line, "%u.%u.%u.%u",
594: C(inp->s_addr >> 24), C(inp->s_addr >> 16),
595: C(inp->s_addr >> 8), C(inp->s_addr));
1.1 deraadt 596: }
597: return (line);
1.10 angelos 598: }
599:
600: /*
601: * Dump AH statistics structure.
602: */
603: void
604: ah_stats(off, name)
605: u_long off;
606: char *name;
607: {
608: struct ahstat ahstat;
609:
610: if (off == 0)
611: return;
612: kread(off, (char *)&ahstat, sizeof (ahstat));
613: printf("%s:\n", name);
614:
615: #define p(f, m) if (ahstat.f || sflag <= 1) \
616: printf(m, ahstat.f, plural(ahstat.f))
617:
1.11 angelos 618: p(ahs_input, "\t%u input AH packets\n");
619: p(ahs_output, "\t%u output AH packets\n");
1.10 angelos 620: p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
621: p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
622: p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
623: p(ahs_badauth, "\t%u packet%s that failed verification received\n");
624: p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.19 provos 625: p(ahs_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.10 angelos 626: p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
627: p(ahs_replay, "\t%u possibly replayed packet%s received\n");
628: p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
1.15 provos 629: p(ahs_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.20 angelos 630: p(ahs_ibytes, "\t%qu input byte%s\n");
631: p(ahs_obytes, "\t%qu output byte%s\n");
632:
1.10 angelos 633: #undef p
634: }
635:
636: /*
637: * Dump ESP statistics structure.
638: */
639: void
640: esp_stats(off, name)
641: u_long off;
642: char *name;
643: {
644: struct espstat espstat;
645:
1.20 angelos 646:
1.10 angelos 647: if (off == 0)
648: return;
649: kread(off, (char *)&espstat, sizeof (espstat));
650: printf("%s:\n", name);
651:
652: #define p(f, m) if (espstat.f || sflag <= 1) \
653: printf(m, espstat.f, plural(espstat.f))
654:
1.12 angelos 655: p(esps_input, "\t%u input ESP packets\n");
656: p(esps_output, "\t%u output ESP packets\n");
1.10 angelos 657: p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
658: p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
659: p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
660: p(esps_badauth, "\t%u packet%s that failed verification received\n");
661: p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.19 provos 662: p(esps_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.10 angelos 663: p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
664: p(esps_replay, "\t%u possibly replayed packet%s received\n");
665: p(esps_badilen, "\t%u packet%s with payload not a multiple of 8 received\n");
1.15 provos 666: p(esps_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.20 angelos 667: p(esps_ibytes, "\t%qu input byte%s\n");
668: p(esps_obytes, "\t%qu output byte%s\n");
1.10 angelos 669:
670: #undef p
671: }
672:
673: /*
674: * Dump ESP statistics structure.
675: */
676: void
677: ip4_stats(off, name)
678: u_long off;
679: char *name;
680: {
681: struct ip4stat ip4stat;
682:
683: if (off == 0)
684: return;
685: kread(off, (char *)&ip4stat, sizeof (ip4stat));
686: printf("%s:\n", name);
687:
688: #define p(f, m) if (ip4stat.f || sflag <= 1) \
689: printf(m, ip4stat.f, plural(ip4stat.f))
690:
691: p(ip4s_ipackets, "\t%u total input packet%s\n");
1.11 angelos 692: p(ip4s_opackets, "\t%u total output packet%s\n");
1.10 angelos 693: p(ip4s_hdrops, "\t%u packet%s shorter than header shows\n");
694: p(ip4s_notip4, "\t%u packet%s with internal header not IPv4 received\n");
1.19 provos 695: p(ip4s_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.20 angelos 696: p(ip4s_ibytes, "\t%qu input byte%s\n");
697: p(ip4s_obytes, "\t%qu output byte%s\n");
1.10 angelos 698:
699: #undef p
1.1 deraadt 700: }
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