Annotation of src/usr.bin/netstat/main.c, Revision 1.37
1.37 ! jmc 1: /* $OpenBSD: main.c,v 1.36 2003/06/03 02:56:13 millert Exp $ */
1.2 deraadt 2: /* $NetBSD: main.c,v 1.9 1996/05/07 02:55:02 thorpej Exp $ */
1.1 deraadt 3:
4: /*
5: * Copyright (c) 1983, 1988, 1993
6: * 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.
1.36 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #ifndef lint
34: char copyright[] =
35: "@(#) Copyright (c) 1983, 1988, 1993\n\
36: Regents of the University of California. All rights reserved.\n";
37: #endif /* not lint */
38:
39: #ifndef lint
40: #if 0
41: static char sccsid[] = "from: @(#)main.c 8.4 (Berkeley) 3/1/94";
42: #else
1.37 ! jmc 43: static char *rcsid = "$OpenBSD: main.c,v 1.36 2003/06/03 02:56:13 millert Exp $";
1.1 deraadt 44: #endif
45: #endif /* not lint */
46:
47: #include <sys/param.h>
48: #include <sys/file.h>
49: #include <sys/protosw.h>
50: #include <sys/socket.h>
51:
52: #include <netinet/in.h>
53:
54: #include <ctype.h>
55: #include <errno.h>
56: #include <kvm.h>
57: #include <limits.h>
58: #include <netdb.h>
59: #include <nlist.h>
60: #include <paths.h>
61: #include <stdio.h>
62: #include <stdlib.h>
63: #include <string.h>
64: #include <unistd.h>
65: #include "netstat.h"
66:
67: struct nlist nl[] = {
68: #define N_MBSTAT 0
69: { "_mbstat" },
70: #define N_IPSTAT 1
71: { "_ipstat" },
72: #define N_TCBTABLE 2
73: { "_tcbtable" },
74: #define N_TCPSTAT 3
75: { "_tcpstat" },
76: #define N_UDBTABLE 4
77: { "_udbtable" },
78: #define N_UDPSTAT 5
79: { "_udpstat" },
80: #define N_IFNET 6
81: { "_ifnet" },
82: #define N_IMP 7
83: { "_imp_softc" },
84: #define N_ICMPSTAT 8
85: { "_icmpstat" },
86: #define N_RTSTAT 9
87: { "_rtstat" },
88: #define N_UNIXSW 10
89: { "_unixsw" },
90: #define N_IDP 11
91: { "_nspcb"},
92: #define N_IDPSTAT 12
93: { "_idpstat"},
94: #define N_SPPSTAT 13
95: { "_spp_istat"},
96: #define N_NSERR 14
97: { "_ns_errstat"},
98: #define N_CLNPSTAT 15
99: { "_clnp_stat"},
100: #define IN_NOTUSED 16
101: { "_tp_inpcb" },
102: #define ISO_TP 17
103: { "_tp_refinfo" },
104: #define N_TPSTAT 18
105: { "_tp_stat" },
106: #define N_ESISSTAT 19
107: { "_esis_stat"},
108: #define N_NIMP 20
109: { "_nimp"},
110: #define N_RTREE 21
111: { "_rt_tables"},
112: #define N_CLTP 22
113: { "_cltb"},
114: #define N_CLTPSTAT 23
115: { "_cltpstat"},
116: #define N_NFILE 24
117: { "_nfile" },
118: #define N_FILE 25
119: { "_file" },
120: #define N_IGMPSTAT 26
121: { "_igmpstat" },
122: #define N_MRTPROTO 27
123: { "_ip_mrtproto" },
124: #define N_MRTSTAT 28
125: { "_mrtstat" },
126: #define N_MFCHASHTBL 29
127: { "_mfchashtbl" },
128: #define N_MFCHASH 30
129: { "_mfchash" },
130: #define N_VIFTABLE 31
131: { "_viftable" },
1.4 mickey 132: #define N_IPX 32
133: { "_ipxcbtable"},
134: #define N_IPXSTAT 33
135: { "_ipxstat"},
136: #define N_SPXSTAT 34
137: { "_spx_istat"},
138: #define N_IPXERR 35
139: { "_ipx_errstat"},
1.8 angelos 140: #define N_AHSTAT 36
141: { "_ahstat"},
142: #define N_ESPSTAT 37
143: { "_espstat"},
144: #define N_IP4STAT 38
1.21 angelos 145: { "_ipipstat"},
1.12 denny 146: #define N_DDPSTAT 39
147: { "_ddpstat"},
148: #define N_DDPCB 40
149: { "_ddpcb"},
1.18 angelos 150: #define N_ETHERIPSTAT 41
151: { "_etheripstat"},
1.19 itojun 152: #define N_IP6STAT 42
153: { "_ip6stat" },
154: #define N_ICMP6STAT 43
155: { "_icmp6stat" },
156: #define N_IPSECSTAT 44
157: { "_ipsecstat" },
158: #define N_IPSEC6STAT 45
159: { "_ipsec6stat" },
160: #define N_PIM6STAT 46
161: { "_pim6stat" },
162: #define N_MRT6PROTO 47
163: { "_ip6_mrtproto" },
164: #define N_MRT6STAT 48
165: { "_mrt6stat" },
166: #define N_MF6CTABLE 49
167: { "_mf6ctable" },
168: #define N_MIF6TABLE 50
169: { "_mif6table" },
1.25 provos 170: #define N_MBPOOL 51
171: { "_mbpool" },
172: #define N_MCLPOOL 52
173: { "_mclpool" },
1.29 mickey 174: #define N_IPCOMPSTAT 53
1.26 jjbg 175: { "_ipcompstat" },
1.32 itojun 176: #define N_RIP6STAT 54
177: { "_rip6stat" },
1.11 millert 178: { ""},
1.1 deraadt 179: };
180:
181: struct protox {
182: u_char pr_index; /* index into nlist of cb head */
183: u_char pr_sindex; /* index into nlist of stat block */
184: u_char pr_wanted; /* 1 if wanted, 0 otherwise */
185: void (*pr_cblocks)(); /* control blocks printing routine */
186: void (*pr_stats)(); /* statistics printing routine */
187: char *pr_name; /* well-known name */
188: } protox[] = {
189: { N_TCBTABLE, N_TCPSTAT, 1, protopr,
190: tcp_stats, "tcp" },
191: { N_UDBTABLE, N_UDPSTAT, 1, protopr,
192: udp_stats, "udp" },
193: { -1, N_IPSTAT, 1, 0,
194: ip_stats, "ip" },
195: { -1, N_ICMPSTAT, 1, 0,
196: icmp_stats, "icmp" },
197: { -1, N_IGMPSTAT, 1, 0,
198: igmp_stats, "igmp" },
1.8 angelos 199: { -1, N_AHSTAT, 1, 0,
1.15 angelos 200: ah_stats, "ah" },
1.8 angelos 201: { -1, N_ESPSTAT, 1, 0,
1.15 angelos 202: esp_stats, "esp" },
1.8 angelos 203: { -1, N_IP4STAT, 1, 0,
1.21 angelos 204: ipip_stats, "ipencap" },
1.18 angelos 205: { -1, N_ETHERIPSTAT, 1, 0,
206: etherip_stats,"etherip" },
1.29 mickey 207: { -1, N_IPCOMPSTAT, 1, 0,
208: ipcomp_stats, "ipcomp" },
1.1 deraadt 209: { -1, -1, 0, 0,
210: 0, 0 }
211: };
212:
1.19 itojun 213: #ifdef INET6
214: struct protox ip6protox[] = {
1.22 itojun 215: { N_TCBTABLE, N_TCPSTAT, 1, ip6protopr,
1.23 itojun 216: 0, "tcp" },
1.22 itojun 217: { N_UDBTABLE, N_UDPSTAT, 1, ip6protopr,
1.23 itojun 218: 0, "udp" },
1.19 itojun 219: { -1, N_IP6STAT, 1, 0,
220: ip6_stats, "ip6" },
221: { -1, N_ICMP6STAT, 1, 0,
222: icmp6_stats, "icmp6" },
223: { -1, N_PIM6STAT, 1, 0,
224: pim6_stats, "pim6" },
1.32 itojun 225: { -1, N_RIP6STAT, 1, 0,
226: rip6_stats, "rip6" },
1.19 itojun 227: { -1, -1, 0, 0,
228: 0, 0 }
229: };
230: #endif
231:
1.4 mickey 232: struct protox ipxprotox[] = {
233: { N_IPX, N_IPXSTAT, 1, ipxprotopr,
234: ipx_stats, "ipx" },
235: { N_IPX, N_SPXSTAT, 1, ipxprotopr,
236: spx_stats, "spx" },
237: { -1, -1, 0, 0,
238: 0, 0 }
239: };
240:
1.1 deraadt 241: struct protox nsprotox[] = {
242: { N_IDP, N_IDPSTAT, 1, nsprotopr,
243: idp_stats, "idp" },
244: { N_IDP, N_SPPSTAT, 1, nsprotopr,
245: spp_stats, "spp" },
246: { -1, N_NSERR, 1, 0,
247: nserr_stats, "ns_err" },
248: { -1, -1, 0, 0,
249: 0, 0 }
250: };
251:
252: struct protox isoprotox[] = {
253: { ISO_TP, N_TPSTAT, 1, iso_protopr,
254: tp_stats, "tp" },
255: { N_CLTP, N_CLTPSTAT, 1, iso_protopr,
256: cltp_stats, "cltp" },
257: { -1, N_CLNPSTAT, 1, 0,
258: clnp_stats, "clnp"},
259: { -1, N_ESISSTAT, 1, 0,
260: esis_stats, "esis"},
261: { -1, -1, 0, 0,
262: 0, 0 }
263: };
264:
1.12 denny 265: struct protox atalkprotox[] = {
266: { N_DDPCB, N_DDPSTAT, 1, atalkprotopr,
267: ddp_stats, "ddp" },
268: { -1, -1, 0, 0,
269: 0, 0 }
270: };
271:
1.19 itojun 272: #ifndef INET6
1.34 deraadt 273: struct protox *protoprotox[] = {
274: protox, ipxprotox, nsprotox, isoprotox, atalkprotox, NULL
275: };
1.19 itojun 276: #else
1.34 deraadt 277: struct protox *protoprotox[] = {
278: protox, ip6protox, ipxprotox, nsprotox, isoprotox, atalkprotox, NULL
279: };
1.19 itojun 280: #endif
1.1 deraadt 281:
1.30 millert 282: static void printproto(struct protox *, char *);
283: static void usage(void);
284: static struct protox *name2protox(char *);
285: static struct protox *knownname(char *);
1.1 deraadt 286:
287: kvm_t *kvmd;
288:
289: int
1.34 deraadt 290: main(int argc, char *argv[])
1.1 deraadt 291: {
292: extern char *optarg;
293: extern int optind;
1.28 mpech 294: struct protoent *p;
295: struct protox *tp = NULL; /* for printing cblocks & stats */
1.1 deraadt 296: int ch;
297: char *nlistf = NULL, *memf = NULL;
298: char buf[_POSIX2_LINE_MAX];
299:
300: af = AF_UNSPEC;
301:
1.27 brian 302: while ((ch = getopt(argc, argv, "Aabdf:gI:ilM:mN:np:qrstuvw:")) != -1)
1.31 deraadt 303: switch (ch) {
1.1 deraadt 304: case 'A':
305: Aflag = 1;
306: break;
307: case 'a':
308: aflag = 1;
1.24 camield 309: break;
310: case 'b':
311: bflag = 1;
1.1 deraadt 312: break;
313: case 'd':
314: dflag = 1;
315: break;
316: case 'f':
1.4 mickey 317: if (strcmp(optarg, "inet") == 0)
1.1 deraadt 318: af = AF_INET;
1.19 itojun 319: else if (strcmp(optarg, "inet6") == 0)
320: af = AF_INET6;
1.7 kstailey 321: else if (strcmp(optarg, "local") == 0)
322: af = AF_LOCAL;
1.1 deraadt 323: else if (strcmp(optarg, "unix") == 0)
324: af = AF_UNIX;
1.4 mickey 325: else if (strcmp(optarg, "ipx") == 0)
326: af = AF_IPX;
327: else if (strcmp(optarg, "ns") == 0)
328: af = AF_NS;
1.1 deraadt 329: else if (strcmp(optarg, "iso") == 0)
330: af = AF_ISO;
1.10 angelos 331: else if (strcmp(optarg, "encap") == 0)
1.16 angelos 332: af = PF_KEY;
1.12 denny 333: else if (strcmp(optarg, "atalk") == 0)
334: af = AF_APPLETALK;
1.1 deraadt 335: else {
336: (void)fprintf(stderr,
337: "%s: %s: unknown address family\n",
1.2 deraadt 338: __progname, optarg);
1.1 deraadt 339: exit(1);
340: }
341: break;
342: case 'g':
343: gflag = 1;
344: break;
1.2 deraadt 345: case 'I':
1.1 deraadt 346: iflag = 1;
1.2 deraadt 347: interface = optarg;
1.1 deraadt 348: break;
349: case 'i':
350: iflag = 1;
351: break;
1.19 itojun 352: case 'l':
353: lflag = 1;
354: break;
1.1 deraadt 355: case 'M':
356: memf = optarg;
357: break;
358: case 'm':
359: mflag = 1;
360: break;
361: case 'N':
362: nlistf = optarg;
363: break;
364: case 'n':
365: nflag = 1;
366: break;
367: case 'p':
368: if ((tp = name2protox(optarg)) == NULL) {
369: (void)fprintf(stderr,
370: "%s: %s: unknown or uninstrumented protocol\n",
1.2 deraadt 371: __progname, optarg);
1.1 deraadt 372: exit(1);
373: }
374: pflag = 1;
1.27 brian 375: break;
376: case 'q':
377: qflag = 1;
1.1 deraadt 378: break;
379: case 'r':
380: rflag = 1;
381: break;
382: case 's':
383: ++sflag;
384: break;
385: case 't':
386: tflag = 1;
387: break;
388: case 'u':
389: af = AF_UNIX;
1.13 peter 390: break;
391: case 'v':
392: vflag = 1;
1.1 deraadt 393: break;
394: case 'w':
395: interval = atoi(optarg);
396: iflag = 1;
397: break;
398: case '?':
399: default:
400: usage();
401: }
402: argv += optind;
403: argc -= optind;
404:
1.33 deraadt 405: /*
406: * Discard setgid privileges if not the running kernel so that bad
407: * guys can't print interesting stuff from kernel memory.
408: */
409: if (nlistf != NULL || memf != NULL) {
410: setegid(getgid());
411: setgid(getgid());
412: }
413:
414: if ((kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
415: buf)) == NULL) {
416: fprintf(stderr, "%s: kvm_open: %s\n", __progname, buf);
417: exit(1);
418: }
419: setegid(getgid());
420: setgid(getgid());
421:
1.1 deraadt 422: #define BACKWARD_COMPATIBILITY
423: #ifdef BACKWARD_COMPATIBILITY
424: if (*argv) {
425: if (isdigit(**argv)) {
426: interval = atoi(*argv);
427: if (interval <= 0)
428: usage();
429: ++argv;
430: iflag = 1;
431: }
432: if (*argv) {
433: nlistf = *argv;
434: if (*++argv)
435: memf = *argv;
436: }
437: }
438: #endif
1.14 deraadt 439:
1.1 deraadt 440: if (kvm_nlist(kvmd, nl) < 0 || nl[0].n_type == 0) {
441: if (nlistf)
1.2 deraadt 442: fprintf(stderr, "%s: %s: no namelist\n", __progname,
443: nlistf);
1.1 deraadt 444: else
1.2 deraadt 445: fprintf(stderr, "%s: no namelist\n", __progname);
1.1 deraadt 446: exit(1);
447: }
448: if (mflag) {
1.25 provos 449: mbpr(nl[N_MBSTAT].n_value, nl[N_MBPOOL].n_value,
450: nl[N_MCLPOOL].n_value);
1.1 deraadt 451: exit(0);
452: }
453: if (pflag) {
454: if (tp->pr_stats)
455: (*tp->pr_stats)(nl[tp->pr_sindex].n_value,
456: tp->pr_name);
457: else
458: printf("%s: no stats routine\n", tp->pr_name);
459: exit(0);
460: }
461: /*
462: * Keep file descriptors open to avoid overhead
463: * of open/close on each call to get* routines.
464: */
465: sethostent(1);
466: setnetent(1);
467: if (iflag) {
468: intpr(interval, nl[N_IFNET].n_value);
469: exit(0);
470: }
471: if (rflag) {
472: if (sflag)
473: rt_stats(nl[N_RTSTAT].n_value);
474: else
475: routepr(nl[N_RTREE].n_value);
476: exit(0);
477: }
478: if (gflag) {
1.19 itojun 479: if (sflag) {
480: if (af == AF_INET || af == AF_UNSPEC)
481: mrt_stats(nl[N_MRTPROTO].n_value,
482: nl[N_MRTSTAT].n_value);
483: #ifdef INET6
484: if (af == AF_INET6 || af == AF_UNSPEC)
485: mrt6_stats(nl[N_MRT6PROTO].n_value,
486: nl[N_MRT6STAT].n_value);
487: #endif
488: }
489: else {
490: if (af == AF_INET || af == AF_UNSPEC)
491: mroutepr(nl[N_MRTPROTO].n_value,
492: nl[N_MFCHASHTBL].n_value,
493: nl[N_MFCHASH].n_value,
494: nl[N_VIFTABLE].n_value);
495: #ifdef INET6
496: if (af == AF_INET6 || af == AF_UNSPEC)
497: mroute6pr(nl[N_MRT6PROTO].n_value,
498: nl[N_MF6CTABLE].n_value,
499: nl[N_MIF6TABLE].n_value);
500: #endif
501: }
1.1 deraadt 502: exit(0);
503: }
504: if (af == AF_INET || af == AF_UNSPEC) {
505: setprotoent(1);
506: setservent(1);
507: /* ugh, this is O(MN) ... why do we do this? */
1.11 millert 508: while ((p = getprotoent())) {
1.1 deraadt 509: for (tp = protox; tp->pr_name; tp++)
510: if (strcmp(tp->pr_name, p->p_name) == 0)
511: break;
512: if (tp->pr_name == 0 || tp->pr_wanted == 0)
513: continue;
514: printproto(tp, p->p_name);
515: }
516: endprotoent();
517: }
1.19 itojun 518: #ifdef INET6
519: if (af == AF_INET6 || af == AF_UNSPEC)
520: for (tp = ip6protox; tp->pr_name; tp++)
521: printproto(tp, tp->pr_name);
522: #endif
1.4 mickey 523: if (af == AF_IPX || af == AF_UNSPEC)
524: for (tp = ipxprotox; tp->pr_name; tp++)
525: printproto(tp, tp->pr_name);
1.1 deraadt 526: if (af == AF_NS || af == AF_UNSPEC)
527: for (tp = nsprotox; tp->pr_name; tp++)
528: printproto(tp, tp->pr_name);
529: if (af == AF_ISO || af == AF_UNSPEC)
530: for (tp = isoprotox; tp->pr_name; tp++)
531: printproto(tp, tp->pr_name);
532: if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag)
533: unixpr(nl[N_UNIXSW].n_value);
1.12 denny 534: if (af == AF_APPLETALK || af == AF_UNSPEC)
535: for (tp = atalkprotox; tp->pr_name; tp++)
536: printproto(tp, tp->pr_name);
1.1 deraadt 537: exit(0);
538: }
539:
540: /*
541: * Print out protocol statistics or control blocks (per sflag).
542: * If the interface was not specifically requested, and the symbol
543: * is not in the namelist, ignore this one.
544: */
545: static void
1.34 deraadt 546: printproto(struct protox *tp, char *name)
1.1 deraadt 547: {
548: void (*pr)();
1.35 dhartmei 549: u_char i;
1.1 deraadt 550:
551: if (sflag) {
552: pr = tp->pr_stats;
1.35 dhartmei 553: i = tp->pr_sindex;
1.1 deraadt 554: } else {
555: pr = tp->pr_cblocks;
1.35 dhartmei 556: i = tp->pr_index;
1.1 deraadt 557: }
1.35 dhartmei 558: if (pr != NULL && i < sizeof(nl) / sizeof(nl[0]) &&
559: (nl[i].n_value || af != AF_UNSPEC))
560: (*pr)(nl[i].n_value, name);
1.1 deraadt 561: }
562:
563: /*
564: * Read kernel memory, return 0 on success.
565: */
566: int
1.34 deraadt 567: kread(u_long addr, char *buf, int size)
1.1 deraadt 568: {
569:
570: if (kvm_read(kvmd, addr, buf, size) != size) {
1.2 deraadt 571: (void)fprintf(stderr, "%s: %s\n", __progname,
1.1 deraadt 572: kvm_geterr(kvmd));
573: return (-1);
574: }
575: return (0);
576: }
577:
578: char *
1.34 deraadt 579: plural(int n)
1.1 deraadt 580: {
581: return (n != 1 ? "s" : "");
582: }
583:
584: char *
1.34 deraadt 585: plurales(int n)
1.1 deraadt 586: {
587: return (n != 1 ? "es" : "");
588: }
589:
590: /*
591: * Find the protox for the given "well-known" name.
592: */
593: static struct protox *
1.34 deraadt 594: knownname(char *name)
1.1 deraadt 595: {
596: struct protox **tpp, *tp;
597:
598: for (tpp = protoprotox; *tpp; tpp++)
599: for (tp = *tpp; tp->pr_name; tp++)
600: if (strcmp(tp->pr_name, name) == 0)
601: return (tp);
602: return (NULL);
603: }
604:
605: /*
606: * Find the protox corresponding to name.
607: */
608: static struct protox *
1.34 deraadt 609: name2protox(char *name)
1.1 deraadt 610: {
611: struct protox *tp;
612: char **alias; /* alias from p->aliases */
613: struct protoent *p;
614:
615: /*
616: * Try to find the name in the list of "well-known" names. If that
617: * fails, check if name is an alias for an Internet protocol.
618: */
1.11 millert 619: if ((tp = knownname(name)))
1.1 deraadt 620: return (tp);
621:
622: setprotoent(1); /* make protocol lookup cheaper */
1.11 millert 623: while ((p = getprotoent())) {
1.1 deraadt 624: /* assert: name not same as p->name */
625: for (alias = p->p_aliases; *alias; alias++)
626: if (strcmp(name, *alias) == 0) {
627: endprotoent();
628: return (knownname(p->p_name));
629: }
630: }
631: endprotoent();
632: return (NULL);
633: }
634:
635: static void
1.34 deraadt 636: usage(void)
1.1 deraadt 637: {
638: (void)fprintf(stderr,
1.2 deraadt 639: "usage: %s [-Aan] [-f address_family] [-M core] [-N system]\n", __progname);
1.1 deraadt 640: (void)fprintf(stderr,
1.37 ! jmc 641: " %s [-bdgilmnqrstu] [-f address_family] [-M core] [-N system]\n", __progname);
1.1 deraadt 642: (void)fprintf(stderr,
1.37 ! jmc 643: " %s [-bdn] [-I interface] [-M core] [-N system] [-w wait]\n", __progname);
1.1 deraadt 644: (void)fprintf(stderr,
1.2 deraadt 645: " %s [-M core] [-N system] [-p protocol]\n", __progname);
1.37 ! jmc 646: (void)fprintf(stderr,
! 647: " %s [-s] [-f address_family] [-i] [-I interface]\n", __progname);
1.1 deraadt 648: exit(1);
649: }