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1.40 ! markus 1: /* $OpenBSD: main.c,v 1.39 2003/10/17 21:04:59 mcbride 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
1.40 ! markus 43: static char *rcsid = "$OpenBSD: main.c,v 1.39 2003/10/17 21:04:59 mcbride 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" },
1.39 mcbride 178: #define N_CARPSTAT 55
179: { "_carpstats" },
1.40 ! markus 180: #define N_RAWIPTABLE 56
! 181: { "_rawcbtable" },
! 182: #define N_RAWIP6TABLE 57
! 183: { "_rawin6pcbtable" },
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" },
1.39 mcbride 215: { -1, N_CARPSTAT, 1, 0,
216: carp_stats, "carp" },
1.1 deraadt 217: { -1, -1, 0, 0,
218: 0, 0 }
219: };
220:
1.19 itojun 221: #ifdef INET6
222: struct protox ip6protox[] = {
1.22 itojun 223: { N_TCBTABLE, N_TCPSTAT, 1, ip6protopr,
1.23 itojun 224: 0, "tcp" },
1.22 itojun 225: { N_UDBTABLE, N_UDPSTAT, 1, ip6protopr,
1.23 itojun 226: 0, "udp" },
1.40 ! markus 227: { N_RAWIP6TABLE,N_IP6STAT, 1, ip6protopr,
1.19 itojun 228: ip6_stats, "ip6" },
229: { -1, N_ICMP6STAT, 1, 0,
230: icmp6_stats, "icmp6" },
231: { -1, N_PIM6STAT, 1, 0,
232: pim6_stats, "pim6" },
1.32 itojun 233: { -1, N_RIP6STAT, 1, 0,
234: rip6_stats, "rip6" },
1.19 itojun 235: { -1, -1, 0, 0,
236: 0, 0 }
237: };
238: #endif
239:
1.4 mickey 240: struct protox ipxprotox[] = {
241: { N_IPX, N_IPXSTAT, 1, ipxprotopr,
242: ipx_stats, "ipx" },
243: { N_IPX, N_SPXSTAT, 1, ipxprotopr,
244: spx_stats, "spx" },
245: { -1, -1, 0, 0,
246: 0, 0 }
247: };
248:
1.1 deraadt 249: struct protox nsprotox[] = {
250: { N_IDP, N_IDPSTAT, 1, nsprotopr,
251: idp_stats, "idp" },
252: { N_IDP, N_SPPSTAT, 1, nsprotopr,
253: spp_stats, "spp" },
254: { -1, N_NSERR, 1, 0,
255: nserr_stats, "ns_err" },
256: { -1, -1, 0, 0,
257: 0, 0 }
258: };
259:
260: struct protox isoprotox[] = {
261: { ISO_TP, N_TPSTAT, 1, iso_protopr,
262: tp_stats, "tp" },
263: { N_CLTP, N_CLTPSTAT, 1, iso_protopr,
264: cltp_stats, "cltp" },
265: { -1, N_CLNPSTAT, 1, 0,
266: clnp_stats, "clnp"},
267: { -1, N_ESISSTAT, 1, 0,
268: esis_stats, "esis"},
269: { -1, -1, 0, 0,
270: 0, 0 }
271: };
272:
1.12 denny 273: struct protox atalkprotox[] = {
274: { N_DDPCB, N_DDPSTAT, 1, atalkprotopr,
275: ddp_stats, "ddp" },
276: { -1, -1, 0, 0,
277: 0, 0 }
278: };
279:
1.19 itojun 280: #ifndef INET6
1.34 deraadt 281: struct protox *protoprotox[] = {
282: protox, ipxprotox, nsprotox, isoprotox, atalkprotox, NULL
283: };
1.19 itojun 284: #else
1.34 deraadt 285: struct protox *protoprotox[] = {
286: protox, ip6protox, ipxprotox, nsprotox, isoprotox, atalkprotox, NULL
287: };
1.19 itojun 288: #endif
1.1 deraadt 289:
1.30 millert 290: static void printproto(struct protox *, char *);
291: static void usage(void);
292: static struct protox *name2protox(char *);
293: static struct protox *knownname(char *);
1.1 deraadt 294:
295: kvm_t *kvmd;
296:
297: int
1.34 deraadt 298: main(int argc, char *argv[])
1.1 deraadt 299: {
300: extern char *optarg;
301: extern int optind;
1.28 mpech 302: struct protoent *p;
303: struct protox *tp = NULL; /* for printing cblocks & stats */
1.1 deraadt 304: int ch;
305: char *nlistf = NULL, *memf = NULL;
306: char buf[_POSIX2_LINE_MAX];
307:
308: af = AF_UNSPEC;
309:
1.27 brian 310: while ((ch = getopt(argc, argv, "Aabdf:gI:ilM:mN:np:qrstuvw:")) != -1)
1.31 deraadt 311: switch (ch) {
1.1 deraadt 312: case 'A':
313: Aflag = 1;
314: break;
315: case 'a':
316: aflag = 1;
1.24 camield 317: break;
318: case 'b':
319: bflag = 1;
1.1 deraadt 320: break;
321: case 'd':
322: dflag = 1;
323: break;
324: case 'f':
1.4 mickey 325: if (strcmp(optarg, "inet") == 0)
1.1 deraadt 326: af = AF_INET;
1.19 itojun 327: else if (strcmp(optarg, "inet6") == 0)
328: af = AF_INET6;
1.7 kstailey 329: else if (strcmp(optarg, "local") == 0)
330: af = AF_LOCAL;
1.1 deraadt 331: else if (strcmp(optarg, "unix") == 0)
332: af = AF_UNIX;
1.4 mickey 333: else if (strcmp(optarg, "ipx") == 0)
334: af = AF_IPX;
335: else if (strcmp(optarg, "ns") == 0)
336: af = AF_NS;
1.1 deraadt 337: else if (strcmp(optarg, "iso") == 0)
338: af = AF_ISO;
1.10 angelos 339: else if (strcmp(optarg, "encap") == 0)
1.16 angelos 340: af = PF_KEY;
1.12 denny 341: else if (strcmp(optarg, "atalk") == 0)
342: af = AF_APPLETALK;
1.1 deraadt 343: else {
344: (void)fprintf(stderr,
345: "%s: %s: unknown address family\n",
1.2 deraadt 346: __progname, optarg);
1.1 deraadt 347: exit(1);
348: }
349: break;
350: case 'g':
351: gflag = 1;
352: break;
1.2 deraadt 353: case 'I':
1.1 deraadt 354: iflag = 1;
1.2 deraadt 355: interface = optarg;
1.1 deraadt 356: break;
357: case 'i':
358: iflag = 1;
359: break;
1.19 itojun 360: case 'l':
361: lflag = 1;
362: break;
1.1 deraadt 363: case 'M':
364: memf = optarg;
365: break;
366: case 'm':
367: mflag = 1;
368: break;
369: case 'N':
370: nlistf = optarg;
371: break;
372: case 'n':
373: nflag = 1;
374: break;
375: case 'p':
376: if ((tp = name2protox(optarg)) == NULL) {
377: (void)fprintf(stderr,
378: "%s: %s: unknown or uninstrumented protocol\n",
1.2 deraadt 379: __progname, optarg);
1.1 deraadt 380: exit(1);
381: }
382: pflag = 1;
1.27 brian 383: break;
384: case 'q':
385: qflag = 1;
1.1 deraadt 386: break;
387: case 'r':
388: rflag = 1;
389: break;
390: case 's':
391: ++sflag;
392: break;
393: case 't':
394: tflag = 1;
395: break;
396: case 'u':
397: af = AF_UNIX;
1.13 peter 398: break;
399: case 'v':
400: vflag = 1;
1.1 deraadt 401: break;
402: case 'w':
403: interval = atoi(optarg);
404: iflag = 1;
405: break;
406: case '?':
407: default:
408: usage();
409: }
410: argv += optind;
411: argc -= optind;
412:
1.33 deraadt 413: /*
414: * Discard setgid privileges if not the running kernel so that bad
415: * guys can't print interesting stuff from kernel memory.
416: */
417: if (nlistf != NULL || memf != NULL) {
418: setegid(getgid());
419: setgid(getgid());
420: }
421:
422: if ((kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
423: buf)) == NULL) {
424: fprintf(stderr, "%s: kvm_open: %s\n", __progname, buf);
425: exit(1);
426: }
427: setegid(getgid());
428: setgid(getgid());
429:
1.1 deraadt 430: #define BACKWARD_COMPATIBILITY
431: #ifdef BACKWARD_COMPATIBILITY
432: if (*argv) {
433: if (isdigit(**argv)) {
434: interval = atoi(*argv);
435: if (interval <= 0)
436: usage();
437: ++argv;
438: iflag = 1;
439: }
440: if (*argv) {
441: nlistf = *argv;
442: if (*++argv)
443: memf = *argv;
444: }
445: }
446: #endif
1.14 deraadt 447:
1.1 deraadt 448: if (kvm_nlist(kvmd, nl) < 0 || nl[0].n_type == 0) {
449: if (nlistf)
1.2 deraadt 450: fprintf(stderr, "%s: %s: no namelist\n", __progname,
451: nlistf);
1.1 deraadt 452: else
1.2 deraadt 453: fprintf(stderr, "%s: no namelist\n", __progname);
1.1 deraadt 454: exit(1);
455: }
456: if (mflag) {
1.25 provos 457: mbpr(nl[N_MBSTAT].n_value, nl[N_MBPOOL].n_value,
458: nl[N_MCLPOOL].n_value);
1.1 deraadt 459: exit(0);
460: }
461: if (pflag) {
462: if (tp->pr_stats)
463: (*tp->pr_stats)(nl[tp->pr_sindex].n_value,
464: tp->pr_name);
465: else
466: printf("%s: no stats routine\n", tp->pr_name);
467: exit(0);
468: }
469: /*
470: * Keep file descriptors open to avoid overhead
471: * of open/close on each call to get* routines.
472: */
473: sethostent(1);
474: setnetent(1);
475: if (iflag) {
476: intpr(interval, nl[N_IFNET].n_value);
477: exit(0);
478: }
479: if (rflag) {
480: if (sflag)
481: rt_stats(nl[N_RTSTAT].n_value);
482: else
483: routepr(nl[N_RTREE].n_value);
484: exit(0);
485: }
486: if (gflag) {
1.19 itojun 487: if (sflag) {
488: if (af == AF_INET || af == AF_UNSPEC)
489: mrt_stats(nl[N_MRTPROTO].n_value,
490: nl[N_MRTSTAT].n_value);
491: #ifdef INET6
492: if (af == AF_INET6 || af == AF_UNSPEC)
493: mrt6_stats(nl[N_MRT6PROTO].n_value,
494: nl[N_MRT6STAT].n_value);
495: #endif
496: }
497: else {
498: if (af == AF_INET || af == AF_UNSPEC)
499: mroutepr(nl[N_MRTPROTO].n_value,
500: nl[N_MFCHASHTBL].n_value,
501: nl[N_MFCHASH].n_value,
502: nl[N_VIFTABLE].n_value);
503: #ifdef INET6
504: if (af == AF_INET6 || af == AF_UNSPEC)
505: mroute6pr(nl[N_MRT6PROTO].n_value,
506: nl[N_MF6CTABLE].n_value,
507: nl[N_MIF6TABLE].n_value);
508: #endif
509: }
1.1 deraadt 510: exit(0);
511: }
512: if (af == AF_INET || af == AF_UNSPEC) {
513: setprotoent(1);
514: setservent(1);
515: /* ugh, this is O(MN) ... why do we do this? */
1.11 millert 516: while ((p = getprotoent())) {
1.1 deraadt 517: for (tp = protox; tp->pr_name; tp++)
518: if (strcmp(tp->pr_name, p->p_name) == 0)
519: break;
520: if (tp->pr_name == 0 || tp->pr_wanted == 0)
521: continue;
522: printproto(tp, p->p_name);
523: }
524: endprotoent();
525: }
1.19 itojun 526: #ifdef INET6
527: if (af == AF_INET6 || af == AF_UNSPEC)
528: for (tp = ip6protox; tp->pr_name; tp++)
529: printproto(tp, tp->pr_name);
530: #endif
1.4 mickey 531: if (af == AF_IPX || af == AF_UNSPEC)
532: for (tp = ipxprotox; tp->pr_name; tp++)
533: printproto(tp, tp->pr_name);
1.1 deraadt 534: if (af == AF_NS || af == AF_UNSPEC)
535: for (tp = nsprotox; tp->pr_name; tp++)
536: printproto(tp, tp->pr_name);
537: if (af == AF_ISO || af == AF_UNSPEC)
538: for (tp = isoprotox; tp->pr_name; tp++)
539: printproto(tp, tp->pr_name);
540: if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag)
541: unixpr(nl[N_UNIXSW].n_value);
1.12 denny 542: if (af == AF_APPLETALK || af == AF_UNSPEC)
543: for (tp = atalkprotox; tp->pr_name; tp++)
544: printproto(tp, tp->pr_name);
1.1 deraadt 545: exit(0);
546: }
547:
548: /*
549: * Print out protocol statistics or control blocks (per sflag).
550: * If the interface was not specifically requested, and the symbol
551: * is not in the namelist, ignore this one.
552: */
553: static void
1.34 deraadt 554: printproto(struct protox *tp, char *name)
1.1 deraadt 555: {
1.38 deraadt 556: void (*pr)(u_long, char *);
1.35 dhartmei 557: u_char i;
1.1 deraadt 558:
559: if (sflag) {
560: pr = tp->pr_stats;
1.35 dhartmei 561: i = tp->pr_sindex;
1.1 deraadt 562: } else {
563: pr = tp->pr_cblocks;
1.35 dhartmei 564: i = tp->pr_index;
1.1 deraadt 565: }
1.35 dhartmei 566: if (pr != NULL && i < sizeof(nl) / sizeof(nl[0]) &&
567: (nl[i].n_value || af != AF_UNSPEC))
568: (*pr)(nl[i].n_value, name);
1.1 deraadt 569: }
570:
571: /*
572: * Read kernel memory, return 0 on success.
573: */
574: int
1.34 deraadt 575: kread(u_long addr, char *buf, int size)
1.1 deraadt 576: {
577:
578: if (kvm_read(kvmd, addr, buf, size) != size) {
1.2 deraadt 579: (void)fprintf(stderr, "%s: %s\n", __progname,
1.1 deraadt 580: kvm_geterr(kvmd));
581: return (-1);
582: }
583: return (0);
584: }
585:
586: char *
1.34 deraadt 587: plural(int n)
1.1 deraadt 588: {
589: return (n != 1 ? "s" : "");
590: }
591:
592: char *
1.34 deraadt 593: plurales(int n)
1.1 deraadt 594: {
595: return (n != 1 ? "es" : "");
596: }
597:
598: /*
599: * Find the protox for the given "well-known" name.
600: */
601: static struct protox *
1.34 deraadt 602: knownname(char *name)
1.1 deraadt 603: {
604: struct protox **tpp, *tp;
605:
606: for (tpp = protoprotox; *tpp; tpp++)
607: for (tp = *tpp; tp->pr_name; tp++)
608: if (strcmp(tp->pr_name, name) == 0)
609: return (tp);
610: return (NULL);
611: }
612:
613: /*
614: * Find the protox corresponding to name.
615: */
616: static struct protox *
1.34 deraadt 617: name2protox(char *name)
1.1 deraadt 618: {
619: struct protox *tp;
620: char **alias; /* alias from p->aliases */
621: struct protoent *p;
622:
623: /*
624: * Try to find the name in the list of "well-known" names. If that
625: * fails, check if name is an alias for an Internet protocol.
626: */
1.11 millert 627: if ((tp = knownname(name)))
1.1 deraadt 628: return (tp);
629:
630: setprotoent(1); /* make protocol lookup cheaper */
1.11 millert 631: while ((p = getprotoent())) {
1.1 deraadt 632: /* assert: name not same as p->name */
633: for (alias = p->p_aliases; *alias; alias++)
634: if (strcmp(name, *alias) == 0) {
635: endprotoent();
636: return (knownname(p->p_name));
637: }
638: }
639: endprotoent();
640: return (NULL);
641: }
642:
643: static void
1.34 deraadt 644: usage(void)
1.1 deraadt 645: {
646: (void)fprintf(stderr,
1.2 deraadt 647: "usage: %s [-Aan] [-f address_family] [-M core] [-N system]\n", __progname);
1.1 deraadt 648: (void)fprintf(stderr,
1.37 jmc 649: " %s [-bdgilmnqrstu] [-f address_family] [-M core] [-N system]\n", __progname);
1.1 deraadt 650: (void)fprintf(stderr,
1.37 jmc 651: " %s [-bdn] [-I interface] [-M core] [-N system] [-w wait]\n", __progname);
1.1 deraadt 652: (void)fprintf(stderr,
1.2 deraadt 653: " %s [-M core] [-N system] [-p protocol]\n", __progname);
1.37 jmc 654: (void)fprintf(stderr,
655: " %s [-s] [-f address_family] [-i] [-I interface]\n", __progname);
1.1 deraadt 656: exit(1);
657: }