Annotation of src/usr.bin/netstat/main.c, Revision 1.48
1.48 ! henning 1: /* $OpenBSD: main.c,v 1.47 2004/06/06 22:08:59 jmc 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
1.48 ! henning 43: static char *rcsid = "$OpenBSD: main.c,v 1.47 2004/06/06 22:08:59 jmc 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 N_TPSTAT 18
103: { "_tp_stat" },
104: #define N_ESISSTAT 19
105: { "_esis_stat"},
106: #define N_NIMP 20
107: { "_nimp"},
108: #define N_RTREE 21
109: { "_rt_tables"},
110: #define N_CLTP 22
111: { "_cltb"},
112: #define N_CLTPSTAT 23
113: { "_cltpstat"},
114: #define N_NFILE 24
115: { "_nfile" },
116: #define N_FILE 25
117: { "_file" },
118: #define N_IGMPSTAT 26
119: { "_igmpstat" },
120: #define N_MRTPROTO 27
121: { "_ip_mrtproto" },
122: #define N_MRTSTAT 28
123: { "_mrtstat" },
124: #define N_MFCHASHTBL 29
125: { "_mfchashtbl" },
126: #define N_MFCHASH 30
127: { "_mfchash" },
128: #define N_VIFTABLE 31
129: { "_viftable" },
1.4 mickey 130: #define N_IPX 32
131: { "_ipxcbtable"},
132: #define N_IPXSTAT 33
133: { "_ipxstat"},
134: #define N_SPXSTAT 34
135: { "_spx_istat"},
136: #define N_IPXERR 35
137: { "_ipx_errstat"},
1.8 angelos 138: #define N_AHSTAT 36
139: { "_ahstat"},
140: #define N_ESPSTAT 37
141: { "_espstat"},
142: #define N_IP4STAT 38
1.21 angelos 143: { "_ipipstat"},
1.12 denny 144: #define N_DDPSTAT 39
145: { "_ddpstat"},
146: #define N_DDPCB 40
147: { "_ddpcb"},
1.18 angelos 148: #define N_ETHERIPSTAT 41
149: { "_etheripstat"},
1.19 itojun 150: #define N_IP6STAT 42
151: { "_ip6stat" },
152: #define N_ICMP6STAT 43
153: { "_icmp6stat" },
154: #define N_IPSECSTAT 44
155: { "_ipsecstat" },
156: #define N_IPSEC6STAT 45
157: { "_ipsec6stat" },
158: #define N_PIM6STAT 46
159: { "_pim6stat" },
160: #define N_MRT6PROTO 47
161: { "_ip6_mrtproto" },
162: #define N_MRT6STAT 48
163: { "_mrt6stat" },
164: #define N_MF6CTABLE 49
165: { "_mf6ctable" },
166: #define N_MIF6TABLE 50
167: { "_mif6table" },
1.25 provos 168: #define N_MBPOOL 51
169: { "_mbpool" },
170: #define N_MCLPOOL 52
171: { "_mclpool" },
1.29 mickey 172: #define N_IPCOMPSTAT 53
1.26 jjbg 173: { "_ipcompstat" },
1.32 itojun 174: #define N_RIP6STAT 54
175: { "_rip6stat" },
1.39 mcbride 176: #define N_CARPSTAT 55
177: { "_carpstats" },
1.40 markus 178: #define N_RAWIPTABLE 56
179: { "_rawcbtable" },
180: #define N_RAWIP6TABLE 57
181: { "_rawin6pcbtable" },
1.43 mcbride 182: #define N_PFSYNCSTAT 58
183: { "_pfsyncstats" },
1.11 millert 184: { ""},
1.1 deraadt 185: };
186:
187: struct protox {
1.38 deraadt 188: u_char pr_index; /* index into nlist of cb head */
189: u_char pr_sindex; /* index into nlist of stat block */
190: u_char pr_wanted; /* 1 if wanted, 0 otherwise */
191: void (*pr_cblocks)(u_long, char *); /* control blocks printing routine */
192: void (*pr_stats)(u_long, char *); /* statistics printing routine */
193: char *pr_name; /* well-known name */
1.1 deraadt 194: } protox[] = {
195: { N_TCBTABLE, N_TCPSTAT, 1, protopr,
196: tcp_stats, "tcp" },
197: { N_UDBTABLE, N_UDPSTAT, 1, protopr,
198: udp_stats, "udp" },
1.40 markus 199: { N_RAWIPTABLE, N_IPSTAT, 1, protopr,
1.1 deraadt 200: ip_stats, "ip" },
201: { -1, N_ICMPSTAT, 1, 0,
202: icmp_stats, "icmp" },
203: { -1, N_IGMPSTAT, 1, 0,
204: igmp_stats, "igmp" },
1.8 angelos 205: { -1, N_AHSTAT, 1, 0,
1.15 angelos 206: ah_stats, "ah" },
1.8 angelos 207: { -1, N_ESPSTAT, 1, 0,
1.15 angelos 208: esp_stats, "esp" },
1.8 angelos 209: { -1, N_IP4STAT, 1, 0,
1.21 angelos 210: ipip_stats, "ipencap" },
1.18 angelos 211: { -1, N_ETHERIPSTAT, 1, 0,
212: etherip_stats,"etherip" },
1.29 mickey 213: { -1, N_IPCOMPSTAT, 1, 0,
214: ipcomp_stats, "ipcomp" },
1.44 deraadt 215: { -1, N_CARPSTAT, 1, 0,
216: carp_stats, "carp" },
217: { -1, N_PFSYNCSTAT, 1, 0,
218: pfsync_stats, "pfsync" },
1.1 deraadt 219: { -1, -1, 0, 0,
220: 0, 0 }
221: };
222:
1.19 itojun 223: #ifdef INET6
224: struct protox ip6protox[] = {
1.22 itojun 225: { N_TCBTABLE, N_TCPSTAT, 1, ip6protopr,
1.23 itojun 226: 0, "tcp" },
1.22 itojun 227: { N_UDBTABLE, N_UDPSTAT, 1, ip6protopr,
1.23 itojun 228: 0, "udp" },
1.40 markus 229: { N_RAWIP6TABLE,N_IP6STAT, 1, ip6protopr,
1.19 itojun 230: ip6_stats, "ip6" },
231: { -1, N_ICMP6STAT, 1, 0,
232: icmp6_stats, "icmp6" },
233: { -1, N_PIM6STAT, 1, 0,
234: pim6_stats, "pim6" },
1.32 itojun 235: { -1, N_RIP6STAT, 1, 0,
236: rip6_stats, "rip6" },
1.19 itojun 237: { -1, -1, 0, 0,
238: 0, 0 }
239: };
240: #endif
241:
1.4 mickey 242: struct protox ipxprotox[] = {
243: { N_IPX, N_IPXSTAT, 1, ipxprotopr,
244: ipx_stats, "ipx" },
245: { N_IPX, N_SPXSTAT, 1, ipxprotopr,
246: spx_stats, "spx" },
247: { -1, -1, 0, 0,
248: 0, 0 }
249: };
250:
1.1 deraadt 251: struct protox nsprotox[] = {
252: { N_IDP, N_IDPSTAT, 1, nsprotopr,
253: idp_stats, "idp" },
254: { N_IDP, N_SPPSTAT, 1, nsprotopr,
255: spp_stats, "spp" },
256: { -1, N_NSERR, 1, 0,
257: nserr_stats, "ns_err" },
258: { -1, -1, 0, 0,
259: 0, 0 }
260: };
261:
1.12 denny 262: struct protox atalkprotox[] = {
263: { N_DDPCB, N_DDPSTAT, 1, atalkprotopr,
264: ddp_stats, "ddp" },
265: { -1, -1, 0, 0,
266: 0, 0 }
267: };
268:
1.19 itojun 269: #ifndef INET6
1.34 deraadt 270: struct protox *protoprotox[] = {
1.48 ! henning 271: protox, ipxprotox, nsprotox, atalkprotox, NULL
1.34 deraadt 272: };
1.19 itojun 273: #else
1.34 deraadt 274: struct protox *protoprotox[] = {
1.48 ! henning 275: protox, ip6protox, ipxprotox, nsprotox, atalkprotox, NULL
1.34 deraadt 276: };
1.19 itojun 277: #endif
1.1 deraadt 278:
1.30 millert 279: static void printproto(struct protox *, char *);
280: static void usage(void);
281: static struct protox *name2protox(char *);
282: static struct protox *knownname(char *);
1.1 deraadt 283:
284: kvm_t *kvmd;
285:
286: int
1.34 deraadt 287: main(int argc, char *argv[])
1.1 deraadt 288: {
289: extern char *optarg;
290: extern int optind;
1.28 mpech 291: struct protoent *p;
292: struct protox *tp = NULL; /* for printing cblocks & stats */
1.1 deraadt 293: int ch;
294: char *nlistf = NULL, *memf = NULL;
295: char buf[_POSIX2_LINE_MAX];
296:
297: af = AF_UNSPEC;
298:
1.46 cedric 299: while ((ch = getopt(argc, argv, "Aabdf:gI:ilM:mN:np:qrSstuvw:")) != -1)
1.31 deraadt 300: switch (ch) {
1.1 deraadt 301: case 'A':
302: Aflag = 1;
303: break;
304: case 'a':
305: aflag = 1;
1.24 camield 306: break;
307: case 'b':
308: bflag = 1;
1.1 deraadt 309: break;
310: case 'd':
311: dflag = 1;
312: break;
313: case 'f':
1.4 mickey 314: if (strcmp(optarg, "inet") == 0)
1.1 deraadt 315: af = AF_INET;
1.19 itojun 316: else if (strcmp(optarg, "inet6") == 0)
317: af = AF_INET6;
1.7 kstailey 318: else if (strcmp(optarg, "local") == 0)
319: af = AF_LOCAL;
1.1 deraadt 320: else if (strcmp(optarg, "unix") == 0)
321: af = AF_UNIX;
1.4 mickey 322: else if (strcmp(optarg, "ipx") == 0)
323: af = AF_IPX;
324: else if (strcmp(optarg, "ns") == 0)
325: af = AF_NS;
1.10 angelos 326: else if (strcmp(optarg, "encap") == 0)
1.16 angelos 327: af = PF_KEY;
1.12 denny 328: else if (strcmp(optarg, "atalk") == 0)
329: af = AF_APPLETALK;
1.1 deraadt 330: else {
331: (void)fprintf(stderr,
332: "%s: %s: unknown address family\n",
1.2 deraadt 333: __progname, optarg);
1.1 deraadt 334: exit(1);
335: }
336: break;
337: case 'g':
338: gflag = 1;
339: break;
1.2 deraadt 340: case 'I':
1.1 deraadt 341: iflag = 1;
1.2 deraadt 342: interface = optarg;
1.1 deraadt 343: break;
344: case 'i':
345: iflag = 1;
346: break;
1.19 itojun 347: case 'l':
348: lflag = 1;
349: break;
1.1 deraadt 350: case 'M':
351: memf = optarg;
352: break;
353: case 'm':
354: mflag = 1;
355: break;
356: case 'N':
357: nlistf = optarg;
358: break;
359: case 'n':
360: nflag = 1;
361: break;
362: case 'p':
363: if ((tp = name2protox(optarg)) == NULL) {
364: (void)fprintf(stderr,
1.42 jmc 365: "%s: %s: unknown protocol\n",
1.2 deraadt 366: __progname, optarg);
1.1 deraadt 367: exit(1);
368: }
369: pflag = 1;
1.27 brian 370: break;
371: case 'q':
372: qflag = 1;
1.1 deraadt 373: break;
374: case 'r':
375: rflag = 1;
1.46 cedric 376: break;
377: case 'S':
378: Sflag = 1;
1.1 deraadt 379: break;
380: case 's':
381: ++sflag;
382: break;
383: case 't':
384: tflag = 1;
385: break;
386: case 'u':
387: af = AF_UNIX;
1.13 peter 388: break;
389: case 'v':
390: vflag = 1;
1.1 deraadt 391: break;
392: case 'w':
393: interval = atoi(optarg);
394: iflag = 1;
395: break;
396: case '?':
397: default:
398: usage();
399: }
400: argv += optind;
401: argc -= optind;
402:
1.33 deraadt 403: /*
404: * Discard setgid privileges if not the running kernel so that bad
405: * guys can't print interesting stuff from kernel memory.
406: */
407: if (nlistf != NULL || memf != NULL) {
408: setegid(getgid());
409: setgid(getgid());
410: }
411:
412: if ((kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
413: buf)) == NULL) {
414: fprintf(stderr, "%s: kvm_open: %s\n", __progname, buf);
415: exit(1);
416: }
417: setegid(getgid());
418: setgid(getgid());
419:
1.1 deraadt 420: #define BACKWARD_COMPATIBILITY
421: #ifdef BACKWARD_COMPATIBILITY
422: if (*argv) {
423: if (isdigit(**argv)) {
424: interval = atoi(*argv);
425: if (interval <= 0)
426: usage();
427: ++argv;
428: iflag = 1;
429: }
430: if (*argv) {
431: nlistf = *argv;
432: if (*++argv)
433: memf = *argv;
434: }
435: }
436: #endif
1.14 deraadt 437:
1.1 deraadt 438: if (kvm_nlist(kvmd, nl) < 0 || nl[0].n_type == 0) {
439: if (nlistf)
1.2 deraadt 440: fprintf(stderr, "%s: %s: no namelist\n", __progname,
441: nlistf);
1.1 deraadt 442: else
1.2 deraadt 443: fprintf(stderr, "%s: no namelist\n", __progname);
1.1 deraadt 444: exit(1);
445: }
446: if (mflag) {
1.25 provos 447: mbpr(nl[N_MBSTAT].n_value, nl[N_MBPOOL].n_value,
448: nl[N_MCLPOOL].n_value);
1.1 deraadt 449: exit(0);
450: }
451: if (pflag) {
1.45 markus 452: printproto(tp, tp->pr_name);
1.1 deraadt 453: exit(0);
454: }
455: /*
456: * Keep file descriptors open to avoid overhead
457: * of open/close on each call to get* routines.
458: */
459: sethostent(1);
460: setnetent(1);
461: if (iflag) {
462: intpr(interval, nl[N_IFNET].n_value);
463: exit(0);
464: }
465: if (rflag) {
466: if (sflag)
467: rt_stats(nl[N_RTSTAT].n_value);
468: else
469: routepr(nl[N_RTREE].n_value);
470: exit(0);
471: }
472: if (gflag) {
1.19 itojun 473: if (sflag) {
474: if (af == AF_INET || af == AF_UNSPEC)
475: mrt_stats(nl[N_MRTPROTO].n_value,
476: nl[N_MRTSTAT].n_value);
477: #ifdef INET6
478: if (af == AF_INET6 || af == AF_UNSPEC)
479: mrt6_stats(nl[N_MRT6PROTO].n_value,
480: nl[N_MRT6STAT].n_value);
481: #endif
482: }
483: else {
484: if (af == AF_INET || af == AF_UNSPEC)
485: mroutepr(nl[N_MRTPROTO].n_value,
486: nl[N_MFCHASHTBL].n_value,
487: nl[N_MFCHASH].n_value,
488: nl[N_VIFTABLE].n_value);
489: #ifdef INET6
490: if (af == AF_INET6 || af == AF_UNSPEC)
491: mroute6pr(nl[N_MRT6PROTO].n_value,
492: nl[N_MF6CTABLE].n_value,
493: nl[N_MIF6TABLE].n_value);
494: #endif
495: }
1.1 deraadt 496: exit(0);
497: }
498: if (af == AF_INET || af == AF_UNSPEC) {
499: setprotoent(1);
500: setservent(1);
501: /* ugh, this is O(MN) ... why do we do this? */
1.11 millert 502: while ((p = getprotoent())) {
1.1 deraadt 503: for (tp = protox; tp->pr_name; tp++)
504: if (strcmp(tp->pr_name, p->p_name) == 0)
505: break;
506: if (tp->pr_name == 0 || tp->pr_wanted == 0)
507: continue;
508: printproto(tp, p->p_name);
509: }
510: endprotoent();
511: }
1.19 itojun 512: #ifdef INET6
513: if (af == AF_INET6 || af == AF_UNSPEC)
514: for (tp = ip6protox; tp->pr_name; tp++)
515: printproto(tp, tp->pr_name);
516: #endif
1.4 mickey 517: if (af == AF_IPX || af == AF_UNSPEC)
518: for (tp = ipxprotox; tp->pr_name; tp++)
519: printproto(tp, tp->pr_name);
1.1 deraadt 520: if (af == AF_NS || af == AF_UNSPEC)
521: for (tp = nsprotox; tp->pr_name; tp++)
522: printproto(tp, tp->pr_name);
523: if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag)
524: unixpr(nl[N_UNIXSW].n_value);
1.12 denny 525: if (af == AF_APPLETALK || af == AF_UNSPEC)
526: for (tp = atalkprotox; tp->pr_name; tp++)
527: printproto(tp, tp->pr_name);
1.1 deraadt 528: exit(0);
529: }
530:
531: /*
532: * Print out protocol statistics or control blocks (per sflag).
533: * If the interface was not specifically requested, and the symbol
534: * is not in the namelist, ignore this one.
535: */
536: static void
1.34 deraadt 537: printproto(struct protox *tp, char *name)
1.1 deraadt 538: {
1.38 deraadt 539: void (*pr)(u_long, char *);
1.35 dhartmei 540: u_char i;
1.1 deraadt 541:
542: if (sflag) {
543: pr = tp->pr_stats;
1.35 dhartmei 544: i = tp->pr_sindex;
1.1 deraadt 545: } else {
546: pr = tp->pr_cblocks;
1.35 dhartmei 547: i = tp->pr_index;
1.1 deraadt 548: }
1.35 dhartmei 549: if (pr != NULL && i < sizeof(nl) / sizeof(nl[0]) &&
550: (nl[i].n_value || af != AF_UNSPEC))
551: (*pr)(nl[i].n_value, name);
1.1 deraadt 552: }
553:
554: /*
555: * Read kernel memory, return 0 on success.
556: */
557: int
1.34 deraadt 558: kread(u_long addr, char *buf, int size)
1.1 deraadt 559: {
560:
561: if (kvm_read(kvmd, addr, buf, size) != size) {
1.2 deraadt 562: (void)fprintf(stderr, "%s: %s\n", __progname,
1.1 deraadt 563: kvm_geterr(kvmd));
564: return (-1);
565: }
566: return (0);
567: }
568:
569: char *
1.34 deraadt 570: plural(int n)
1.1 deraadt 571: {
572: return (n != 1 ? "s" : "");
573: }
574:
575: char *
1.34 deraadt 576: plurales(int n)
1.1 deraadt 577: {
578: return (n != 1 ? "es" : "");
579: }
580:
581: /*
582: * Find the protox for the given "well-known" name.
583: */
584: static struct protox *
1.34 deraadt 585: knownname(char *name)
1.1 deraadt 586: {
587: struct protox **tpp, *tp;
588:
589: for (tpp = protoprotox; *tpp; tpp++)
590: for (tp = *tpp; tp->pr_name; tp++)
591: if (strcmp(tp->pr_name, name) == 0)
592: return (tp);
593: return (NULL);
594: }
595:
596: /*
597: * Find the protox corresponding to name.
598: */
599: static struct protox *
1.34 deraadt 600: name2protox(char *name)
1.1 deraadt 601: {
602: struct protox *tp;
603: char **alias; /* alias from p->aliases */
604: struct protoent *p;
605:
606: /*
607: * Try to find the name in the list of "well-known" names. If that
608: * fails, check if name is an alias for an Internet protocol.
609: */
1.11 millert 610: if ((tp = knownname(name)))
1.1 deraadt 611: return (tp);
612:
613: setprotoent(1); /* make protocol lookup cheaper */
1.11 millert 614: while ((p = getprotoent())) {
1.1 deraadt 615: /* assert: name not same as p->name */
616: for (alias = p->p_aliases; *alias; alias++)
617: if (strcmp(name, *alias) == 0) {
618: endprotoent();
619: return (knownname(p->p_name));
620: }
621: }
622: endprotoent();
623: return (NULL);
624: }
625:
626: static void
1.34 deraadt 627: usage(void)
1.1 deraadt 628: {
629: (void)fprintf(stderr,
1.2 deraadt 630: "usage: %s [-Aan] [-f address_family] [-M core] [-N system]\n", __progname);
1.1 deraadt 631: (void)fprintf(stderr,
1.47 jmc 632: " %s [-bdgilmnqrSstu] [-f address_family] [-M core] [-N system]\n", __progname);
1.1 deraadt 633: (void)fprintf(stderr,
1.37 jmc 634: " %s [-bdn] [-I interface] [-M core] [-N system] [-w wait]\n", __progname);
1.1 deraadt 635: (void)fprintf(stderr,
1.47 jmc 636: " %s [-s] [-M core] [-N system] [-p protocol]\n", __progname);
1.37 jmc 637: (void)fprintf(stderr,
1.41 jmc 638: " %s [-a] [-f address_family] [-i | -I interface]\n", __progname);
1.1 deraadt 639: exit(1);
640: }