Annotation of src/usr.bin/netstat/inet.c, Revision 1.29
1.29 ! deraadt 1: /* $OpenBSD: inet.c,v 1.28 1999/02/17 23:50:38 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
1.29 ! deraadt 41: static char *rcsid = "$OpenBSD: inet.c,v 1.28 1999/02/17 23:50:38 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)
1.29 ! deraadt 143: printf("%-*.*s %-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n",
1.18 millert 144: PLEN, PLEN, "PCB", "Proto", "Recv-Q",
1.29 ! deraadt 145: "Send-Q", "Local Address",
! 146: "Foreign Address", "(state)");
1.18 millert 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");
1.26 provos 200: p(tcps_sndrexmitfast, "\t\t%qd fast retransmitted packet%s\n");
1.1 deraadt 201: p2(tcps_sndacks, tcps_delack,
1.16 millert 202: "\t\t%ld ack-only packet%s (%ld delayed)\n");
203: p(tcps_sndurg, "\t\t%ld URG only packet%s\n");
204: p(tcps_sndprobe, "\t\t%ld window probe packet%s\n");
205: p(tcps_sndwinup, "\t\t%ld window update packet%s\n");
206: p(tcps_sndctrl, "\t\t%ld control packet%s\n");
207: p(tcps_rcvtotal, "\t%ld packet%s received\n");
208: p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%ld ack%s (for %qd byte%s)\n");
209: p(tcps_rcvdupack, "\t\t%ld duplicate ack%s\n");
210: p(tcps_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n");
1.1 deraadt 211: p2(tcps_rcvpack, tcps_rcvbyte,
1.16 millert 212: "\t\t%ld packet%s (%qd byte%s) received in-sequence\n");
1.1 deraadt 213: p2(tcps_rcvduppack, tcps_rcvdupbyte,
1.16 millert 214: "\t\t%ld completely duplicate packet%s (%qd byte%s)\n");
215: p(tcps_pawsdrop, "\t\t%ld old duplicate packet%s\n");
1.1 deraadt 216: p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
1.16 millert 217: "\t\t%ld packet%s with some dup. data (%qd byte%s duped)\n");
1.1 deraadt 218: p2(tcps_rcvoopack, tcps_rcvoobyte,
1.16 millert 219: "\t\t%ld out-of-order packet%s (%qd byte%s)\n");
1.1 deraadt 220: p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
1.16 millert 221: "\t\t%ld packet%s (%qd byte%s) of data after window\n");
222: p(tcps_rcvwinprobe, "\t\t%ld window probe%s\n");
223: p(tcps_rcvwinupd, "\t\t%ld window update packet%s\n");
224: p(tcps_rcvafterclose, "\t\t%ld packet%s received after close\n");
225: p(tcps_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n");
226: p(tcps_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n");
227: p(tcps_rcvshort, "\t\t%ld discarded because packet too short\n");
228: p(tcps_connattempt, "\t%ld connection request%s\n");
229: p(tcps_accepts, "\t%ld connection accept%s\n");
230: p(tcps_connects, "\t%ld connection%s established (including accepts)\n");
1.1 deraadt 231: p2(tcps_closed, tcps_drops,
1.16 millert 232: "\t%ld connection%s closed (including %ld drop%s)\n");
233: p(tcps_conndrops, "\t%ld embryonic connection%s dropped\n");
1.1 deraadt 234: p2(tcps_rttupdated, tcps_segstimed,
1.16 millert 235: "\t%ld segment%s updated rtt (of %ld attempt%s)\n");
236: p(tcps_rexmttimeo, "\t%ld retransmit timeout%s\n");
237: p(tcps_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n");
238: p(tcps_persisttimeo, "\t%ld persist timeout%s\n");
239: p(tcps_keeptimeo, "\t%ld keepalive timeout%s\n");
240: p(tcps_keepprobe, "\t\t%ld keepalive probe%s sent\n");
241: p(tcps_keepdrops, "\t\t%ld connection%s dropped by keepalive\n");
242: p(tcps_predack, "\t%ld correct ACK header prediction%s\n");
243: p(tcps_preddat, "\t%ld correct data packet header prediction%s\n");
244: p3(tcps_pcbhashmiss, "\t%ld PCB cache miss%s\n");
1.24 angelos 245: p(tcps_badsyn, "\t%ld SYN packet%s received with same src/dst address/port\n");
1.1 deraadt 246: #undef p
247: #undef p2
248: #undef p3
249: }
250:
251: /*
252: * Dump UDP statistics structure.
253: */
254: void
255: udp_stats(off, name)
256: u_long off;
257: char *name;
258: {
259: struct udpstat udpstat;
260: u_long delivered;
261:
262: if (off == 0)
263: return;
264: kread(off, (char *)&udpstat, sizeof (udpstat));
265: printf("%s:\n", name);
266: #define p(f, m) if (udpstat.f || sflag <= 1) \
267: printf(m, udpstat.f, plural(udpstat.f))
1.16 millert 268: p(udps_ipackets, "\t%lu datagram%s received\n");
269: p(udps_hdrops, "\t%lu with incomplete header\n");
270: p(udps_badlen, "\t%lu with bad data length field\n");
271: p(udps_badsum, "\t%lu with bad checksum\n");
1.27 deraadt 272: p(udps_nosum, "\t%lu with no checksum\n");
1.16 millert 273: p(udps_noport, "\t%lu dropped due to no socket\n");
274: p(udps_noportbcast, "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
275: p(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
1.1 deraadt 276: delivered = udpstat.udps_ipackets -
277: udpstat.udps_hdrops -
278: udpstat.udps_badlen -
279: udpstat.udps_badsum -
280: udpstat.udps_noport -
281: udpstat.udps_noportbcast -
282: udpstat.udps_fullsock;
283: if (delivered || sflag <= 1)
1.16 millert 284: printf("\t%lu delivered\n", delivered);
285: p(udps_opackets, "\t%lu datagram%s output\n");
1.22 provos 286: p(udps_pcbhashmiss, "\t%lu missed PCB cache\n");
1.1 deraadt 287: #undef p
288: }
289:
290: /*
291: * Dump IP statistics structure.
292: */
293: void
294: ip_stats(off, name)
295: u_long off;
296: char *name;
297: {
298: struct ipstat ipstat;
299:
300: if (off == 0)
301: return;
302: kread(off, (char *)&ipstat, sizeof (ipstat));
303: printf("%s:\n", name);
304:
305: #define p(f, m) if (ipstat.f || sflag <= 1) \
306: printf(m, ipstat.f, plural(ipstat.f))
307:
1.16 millert 308: p(ips_total, "\t%lu total packet%s received\n");
309: p(ips_badsum, "\t%lu bad header checksum%s\n");
310: p(ips_toosmall, "\t%lu with size smaller than minimum\n");
311: p(ips_tooshort, "\t%lu with data size < data length\n");
312: p(ips_badhlen, "\t%lu with header length < data size\n");
313: p(ips_badlen, "\t%lu with data length < header length\n");
314: p(ips_badoptions, "\t%lu with bad options\n");
315: p(ips_badvers, "\t%lu with incorrect version number\n");
316: p(ips_fragments, "\t%lu fragment%s received\n");
317: p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
318: p(ips_badfrags, "\t%lu malformed fragment%s dropped\n");
319: p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
320: p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
321: p(ips_delivered, "\t%lu packet%s for this host\n");
322: p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
323: p(ips_forward, "\t%lu packet%s forwarded\n");
324: p(ips_cantforward, "\t%lu packet%s not forwardable\n");
325: p(ips_redirectsent, "\t%lu redirect%s sent\n");
326: p(ips_localout, "\t%lu packet%s sent from this host\n");
327: p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
328: p(ips_odropped, "\t%lu output packet%s dropped due to no bufs, etc.\n");
329: p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
330: p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
331: p(ips_ofragments, "\t%lu fragment%s created\n");
332: p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
1.28 deraadt 333: p(ips_rcvmemdrop, "\t%lu fragment floods\n");
1.1 deraadt 334: #undef p
335: }
336:
337: static char *icmpnames[] = {
338: "echo reply",
339: "#1",
340: "#2",
341: "destination unreachable",
342: "source quench",
343: "routing redirect",
344: "#6",
345: "#7",
346: "echo",
1.9 deraadt 347: "router advertisement",
348: "router solicitation",
1.1 deraadt 349: "time exceeded",
350: "parameter problem",
351: "time stamp",
352: "time stamp reply",
353: "information request",
354: "information request reply",
355: "address mask request",
356: "address mask reply",
357: };
358:
359: /*
360: * Dump ICMP statistics.
361: */
362: void
363: icmp_stats(off, name)
364: u_long off;
365: char *name;
366: {
367: struct icmpstat icmpstat;
368: register int i, first;
369:
370: if (off == 0)
371: return;
372: kread(off, (char *)&icmpstat, sizeof (icmpstat));
373: printf("%s:\n", name);
374:
375: #define p(f, m) if (icmpstat.f || sflag <= 1) \
376: printf(m, icmpstat.f, plural(icmpstat.f))
377:
1.16 millert 378: p(icps_error, "\t%lu call%s to icmp_error\n");
1.1 deraadt 379: p(icps_oldicmp,
1.16 millert 380: "\t%lu error%s not generated 'cuz old message was icmp\n");
1.1 deraadt 381: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
382: if (icmpstat.icps_outhist[i] != 0) {
383: if (first) {
384: printf("\tOutput histogram:\n");
385: first = 0;
386: }
1.16 millert 387: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 388: icmpstat.icps_outhist[i]);
389: }
1.16 millert 390: p(icps_badcode, "\t%lu message%s with bad code fields\n");
391: p(icps_tooshort, "\t%lu message%s < minimum length\n");
392: p(icps_checksum, "\t%lu bad checksum%s\n");
393: p(icps_badlen, "\t%lu message%s with bad length\n");
1.1 deraadt 394: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
395: if (icmpstat.icps_inhist[i] != 0) {
396: if (first) {
397: printf("\tInput histogram:\n");
398: first = 0;
399: }
1.16 millert 400: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 401: icmpstat.icps_inhist[i]);
402: }
1.16 millert 403: p(icps_reflect, "\t%lu message response%s generated\n");
1.1 deraadt 404: #undef p
405: }
406:
407: /*
408: * Dump IGMP statistics structure.
409: */
410: void
411: igmp_stats(off, name)
412: u_long off;
413: char *name;
414: {
415: struct igmpstat igmpstat;
416:
417: if (off == 0)
418: return;
419: kread(off, (char *)&igmpstat, sizeof (igmpstat));
420: printf("%s:\n", name);
421:
422: #define p(f, m) if (igmpstat.f || sflag <= 1) \
423: printf(m, igmpstat.f, plural(igmpstat.f))
424: #define py(f, m) if (igmpstat.f || sflag <= 1) \
425: printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
1.16 millert 426: p(igps_rcv_total, "\t%lu message%s received\n");
427: p(igps_rcv_tooshort, "\t%lu message%s received with too few bytes\n");
428: p(igps_rcv_badsum, "\t%lu message%s received with bad checksum\n");
429: py(igps_rcv_queries, "\t%lu membership quer%s received\n");
430: py(igps_rcv_badqueries, "\t%lu membership quer%s received with invalid field(s)\n");
431: p(igps_rcv_reports, "\t%lu membership report%s received\n");
432: p(igps_rcv_badreports, "\t%lu membership report%s received with invalid field(s)\n");
433: p(igps_rcv_ourreports, "\t%lu membership report%s received for groups to which we belong\n");
434: p(igps_snd_reports, "\t%lu membership report%s sent\n");
1.1 deraadt 435: #undef p
436: #undef py
437: }
438:
1.5 deraadt 439: struct rpcnams {
440: struct rpcnams *next;
1.16 millert 441: in_port_t port;
1.21 deraadt 442: int proto;
1.5 deraadt 443: char *rpcname;
444: };
445:
446: char *
1.21 deraadt 447: getrpcportnam(port, proto)
1.16 millert 448: in_port_t port;
1.21 deraadt 449: int proto;
1.5 deraadt 450: {
451: struct sockaddr_in server_addr;
452: register struct hostent *hp;
453: static struct pmaplist *head;
454: int socket = RPC_ANYSOCK;
455: struct timeval minutetimeout;
456: register CLIENT *client;
457: struct rpcent *rpc;
458: static int first;
459: static struct rpcnams *rpcn;
460: struct rpcnams *n;
1.23 deraadt 461: char num[20];
1.5 deraadt 462:
463: if (first == 0) {
464: first = 1;
1.7 deraadt 465: memset((char *)&server_addr, 0, sizeof server_addr);
1.5 deraadt 466: server_addr.sin_family = AF_INET;
467: if ((hp = gethostbyname("localhost")) != NULL)
1.7 deraadt 468: memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
1.5 deraadt 469: hp->h_length);
470: else
471: (void) inet_aton("0.0.0.0", &server_addr.sin_addr);
472:
473: minutetimeout.tv_sec = 60;
474: minutetimeout.tv_usec = 0;
475: server_addr.sin_port = htons(PMAPPORT);
476: if ((client = clnttcp_create(&server_addr, PMAPPROG,
1.7 deraadt 477: PMAPVERS, &socket, 50, 500)) == NULL)
478: return (NULL);
1.5 deraadt 479: if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
1.8 deraadt 480: xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
1.7 deraadt 481: clnt_destroy(client);
482: return (NULL);
1.5 deraadt 483: }
484: for (; head != NULL; head = head->pml_next) {
485: n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
486: if (n == NULL)
487: continue;
488: n->next = rpcn;
489: rpcn = n;
490: n->port = head->pml_map.pm_port;
1.21 deraadt 491: n->proto = head->pml_map.pm_prot;
1.5 deraadt 492:
493: rpc = getrpcbynumber(head->pml_map.pm_prog);
494: if (rpc)
495: n->rpcname = strdup(rpc->r_name);
496: else {
1.23 deraadt 497: snprintf(num, sizeof num, "%ld",
498: head->pml_map.pm_prog);
1.5 deraadt 499: n->rpcname = strdup(num);
500: }
501: }
502: clnt_destroy(client);
503: }
504:
505: for (n = rpcn; n; n = n->next)
1.21 deraadt 506: if (n->port == port && n->proto == proto)
1.5 deraadt 507: return (n->rpcname);
508: return (NULL);
509: }
510:
1.1 deraadt 511: /*
512: * Pretty print an Internet address (net address + port).
513: * If the nflag was specified, use numbers instead of names.
514: */
515: void
1.5 deraadt 516: inetprint(in, port, proto, local)
1.1 deraadt 517: register struct in_addr *in;
1.16 millert 518: in_port_t port;
1.1 deraadt 519: char *proto;
1.5 deraadt 520: int local;
1.1 deraadt 521: {
522: struct servent *sp = 0;
1.5 deraadt 523: char line[80], *cp, *nam;
1.21 deraadt 524: int proton;
1.1 deraadt 525: int width;
526:
1.23 deraadt 527: snprintf(line, sizeof line, "%.*s.", (Aflag && !nflag) ? 12 : 16,
528: inetname(in));
1.4 millert 529: cp = strchr(line, '\0');
1.1 deraadt 530: if (!nflag && port)
531: sp = getservbyport((int)port, proto);
532: if (sp || port == 0)
1.23 deraadt 533: snprintf(cp, line + sizeof line - cp, "%.8s",
534: sp ? sp->s_name : "*");
1.21 deraadt 535: else if (local && !nflag && (nam = getrpcportnam(ntohs(port),
536: (strcmp(proto, "tcp") == 0 ? IPPROTO_TCP : IPPROTO_UDP))))
1.23 deraadt 537: snprintf(cp, line + sizeof line - cp, "%d[%.8s]",
538: ntohs(port), nam);
1.1 deraadt 539: else
1.23 deraadt 540: snprintf(cp, line + sizeof line - cp, "%d", ntohs(port));
1.1 deraadt 541: width = Aflag ? 18 : 22;
542: printf(" %-*.*s", width, width, line);
543: }
544:
545: /*
546: * Construct an Internet address representation.
547: * If the nflag has been supplied, give
548: * numeric value, otherwise try for symbolic name.
549: */
550: char *
551: inetname(inp)
552: struct in_addr *inp;
553: {
554: register char *cp;
555: static char line[50];
556: struct hostent *hp;
557: struct netent *np;
558: static char domain[MAXHOSTNAMELEN + 1];
559: static int first = 1;
560:
561: if (first && !nflag) {
562: first = 0;
563: if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
1.4 millert 564: (cp = strchr(domain, '.')))
1.1 deraadt 565: (void) strcpy(domain, cp + 1);
566: else
567: domain[0] = 0;
568: }
569: cp = 0;
570: if (!nflag && inp->s_addr != INADDR_ANY) {
571: int net = inet_netof(*inp);
572: int lna = inet_lnaof(*inp);
573:
574: if (lna == INADDR_ANY) {
575: np = getnetbyaddr(net, AF_INET);
576: if (np)
577: cp = np->n_name;
578: }
579: if (cp == 0) {
580: hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
581: if (hp) {
1.4 millert 582: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 583: !strcmp(cp + 1, domain))
584: *cp = 0;
585: cp = hp->h_name;
586: }
587: }
588: }
589: if (inp->s_addr == INADDR_ANY)
1.23 deraadt 590: snprintf(line, sizeof line, "*");
1.1 deraadt 591: else if (cp)
1.23 deraadt 592: snprintf(line, sizeof line, "%s", cp);
1.1 deraadt 593: else {
594: inp->s_addr = ntohl(inp->s_addr);
595: #define C(x) ((x) & 0xff)
1.23 deraadt 596: snprintf(line, sizeof line, "%u.%u.%u.%u",
597: C(inp->s_addr >> 24), C(inp->s_addr >> 16),
598: C(inp->s_addr >> 8), C(inp->s_addr));
1.1 deraadt 599: }
600: return (line);
1.10 angelos 601: }
602:
603: /*
604: * Dump AH statistics structure.
605: */
606: void
607: ah_stats(off, name)
608: u_long off;
609: char *name;
610: {
611: struct ahstat ahstat;
612:
613: if (off == 0)
614: return;
615: kread(off, (char *)&ahstat, sizeof (ahstat));
616: printf("%s:\n", name);
617:
618: #define p(f, m) if (ahstat.f || sflag <= 1) \
619: printf(m, ahstat.f, plural(ahstat.f))
620:
1.11 angelos 621: p(ahs_input, "\t%u input AH packets\n");
622: p(ahs_output, "\t%u output AH packets\n");
1.10 angelos 623: p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
624: p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
625: p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
626: p(ahs_badauth, "\t%u packet%s that failed verification received\n");
627: p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.19 provos 628: p(ahs_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.10 angelos 629: p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
630: p(ahs_replay, "\t%u possibly replayed packet%s received\n");
631: p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
1.15 provos 632: p(ahs_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.25 niklas 633: p(ahs_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.20 angelos 634: p(ahs_ibytes, "\t%qu input byte%s\n");
635: p(ahs_obytes, "\t%qu output byte%s\n");
636:
1.10 angelos 637: #undef p
638: }
639:
640: /*
641: * Dump ESP statistics structure.
642: */
643: void
644: esp_stats(off, name)
645: u_long off;
646: char *name;
647: {
648: struct espstat espstat;
649:
1.20 angelos 650:
1.10 angelos 651: if (off == 0)
652: return;
653: kread(off, (char *)&espstat, sizeof (espstat));
654: printf("%s:\n", name);
655:
656: #define p(f, m) if (espstat.f || sflag <= 1) \
657: printf(m, espstat.f, plural(espstat.f))
658:
1.12 angelos 659: p(esps_input, "\t%u input ESP packets\n");
660: p(esps_output, "\t%u output ESP packets\n");
1.10 angelos 661: p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
662: p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
663: p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
664: p(esps_badauth, "\t%u packet%s that failed verification received\n");
665: p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.19 provos 666: p(esps_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.10 angelos 667: p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
668: p(esps_replay, "\t%u possibly replayed packet%s received\n");
669: p(esps_badilen, "\t%u packet%s with payload not a multiple of 8 received\n");
1.15 provos 670: p(esps_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.25 niklas 671: p(esps_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.20 angelos 672: p(esps_ibytes, "\t%qu input byte%s\n");
673: p(esps_obytes, "\t%qu output byte%s\n");
1.10 angelos 674:
675: #undef p
676: }
677:
678: /*
679: * Dump ESP statistics structure.
680: */
681: void
682: ip4_stats(off, name)
683: u_long off;
684: char *name;
685: {
686: struct ip4stat ip4stat;
687:
688: if (off == 0)
689: return;
690: kread(off, (char *)&ip4stat, sizeof (ip4stat));
691: printf("%s:\n", name);
692:
693: #define p(f, m) if (ip4stat.f || sflag <= 1) \
694: printf(m, ip4stat.f, plural(ip4stat.f))
695:
696: p(ip4s_ipackets, "\t%u total input packet%s\n");
1.11 angelos 697: p(ip4s_opackets, "\t%u total output packet%s\n");
1.10 angelos 698: p(ip4s_hdrops, "\t%u packet%s shorter than header shows\n");
699: p(ip4s_notip4, "\t%u packet%s with internal header not IPv4 received\n");
1.19 provos 700: p(ip4s_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.20 angelos 701: p(ip4s_ibytes, "\t%qu input byte%s\n");
702: p(ip4s_obytes, "\t%qu output byte%s\n");
1.10 angelos 703:
704: #undef p
1.1 deraadt 705: }