summary refs log tree commit diff
path: root/sunrpc/rpcinfo.c
blob: 23fb3c0d8e0b8513d41236abc3f652991fdfd7f7 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740

/* @(#)rpcinfo.c        2.2 88/08/11 4.0 RPCSRC */
#if !defined(lint) && defined (SCCSID)
static char sccsid[] = "@(#)rpcinfo.c 1.22 87/08/12 SMI";
#endif

/*
 * Copyright (C) 1986, Sun Microsystems, Inc.
 */

/*
 * rpcinfo: ping a particular rpc program
 *     or dump the portmapper
 */

/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user.
 *
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 *
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 *
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 *
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 *
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043
 */

#include <getopt.h>
#include <string.h>
#include <unistd.h>
#include <rpc/rpc.h>
#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <rpc/pmap_prot.h>
#include <rpc/pmap_clnt.h>
#include <signal.h>
#include <ctype.h>
#include <locale.h>
#include <libintl.h>

#define MAXHOSTLEN 256

#define	MIN_VERS	((u_long) 0)
#define	MAX_VERS	((u_long) 4294967295UL)

static void udpping (u_short portflag, int argc, char **argv);
static void tcpping (u_short portflag, int argc, char **argv);
static int pstatus (CLIENT *client, u_long prognum, u_long vers);
static void pmapdump (int argc, char **argv);
static bool_t reply_proc (void *res, struct sockaddr_in *who);
static void brdcst (int argc, char **argv);
static void deletereg (int argc, char **argv);
static void usage (void);
static u_long getprognum (char *arg);
static u_long getvers (char *arg);
static void get_inet_address (struct sockaddr_in *addr, char *host);

/*
 * Functions to be performed.
 */
#define	NONE		0	/* no function */
#define	PMAPDUMP	1	/* dump portmapper registrations */
#define	TCPPING		2	/* ping TCP service */
#define	UDPPING		3	/* ping UDP service */
#define	BRDCST		4	/* ping broadcast UDP service */
#define DELETES		5	/* delete registration for the service */

int
main (int argc, char **argv)
{
  register int c;
  int errflg;
  int function;
  u_short portnum;

  setlocale (LC_ALL, "");
  textdomain (_libc_intl_domainname);

  function = NONE;
  portnum = 0;
  errflg = 0;
  while ((c = getopt (argc, argv, "ptubdn:")) != -1)
    {
      switch (c)
	{

	case 'p':
	  if (function != NONE)
	    errflg = 1;
	  else
	    function = PMAPDUMP;
	  break;

	case 't':
	  if (function != NONE)
	    errflg = 1;
	  else
	    function = TCPPING;
	  break;

	case 'u':
	  if (function != NONE)
	    errflg = 1;
	  else
	    function = UDPPING;
	  break;

	case 'b':
	  if (function != NONE)
	    errflg = 1;
	  else
	    function = BRDCST;
	  break;

	case 'n':
	  portnum = (u_short) atoi (optarg);	/* hope we don't get bogus # */
	  break;

	case 'd':
	  if (function != NONE)
	    errflg = 1;
	  else
	    function = DELETES;
	  break;

	case '?':
	  errflg = 1;
	}
    }

  if (errflg || function == NONE)
    {
      usage ();
      return (1);
    }

  switch (function)
    {

    case PMAPDUMP:
      if (portnum != 0)
	{
	  usage ();
	  return (1);
	}
      pmapdump (argc - optind, argv + optind);
      break;

    case UDPPING:
      udpping (portnum, argc - optind, argv + optind);
      break;

    case TCPPING:
      tcpping (portnum, argc - optind, argv + optind);
      break;

    case BRDCST:
      if (portnum != 0)
	{
	  usage ();
	  return (1);
	}
      brdcst (argc - optind, argv + optind);
      break;

    case DELETES:
      deletereg (argc - optind, argv + optind);
      break;
    }

  return (0);
}

static void
udpping (portnum, argc, argv)
     u_short portnum;
     int argc;
     char **argv;
{
  struct timeval to;
  struct sockaddr_in addr;
  enum clnt_stat rpc_stat;
  CLIENT *client;
  u_long prognum, vers, minvers, maxvers;
  int sock = RPC_ANYSOCK;
  struct rpc_err rpcerr;
  int failure;

  if (argc < 2 || argc > 3)
    {
      usage ();
      exit (1);
    }
  prognum = getprognum (argv[1]);
  get_inet_address (&addr, argv[0]);
  /* Open the socket here so it will survive calls to clnt_destroy */
  sock = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
  if (sock < 0)
    {
      perror ("rpcinfo: socket");
      exit (1);
    }
  failure = 0;
  if (argc == 2)
    {
      /*
       * A call to version 0 should fail with a program/version
       * mismatch, and give us the range of versions supported.
       */
      addr.sin_port = htons (portnum);
      to.tv_sec = 5;
      to.tv_usec = 0;
      if ((client = clntudp_create (&addr, prognum, (u_long) 0,
				    to, &sock)) == NULL)
	{
	  clnt_pcreateerror ("rpcinfo");
	  printf (_ ("program %lu is not available\n"),
		  prognum);
	  exit (1);
	}
      to.tv_sec = 10;
      to.tv_usec = 0;
      rpc_stat = clnt_call (client, NULLPROC, (xdrproc_t) xdr_void,
			    (char *) NULL, (xdrproc_t) xdr_void,
			    (char *) NULL, to);
      if (rpc_stat == RPC_PROGVERSMISMATCH)
	{
	  clnt_geterr (client, &rpcerr);
	  minvers = rpcerr.re_vers.low;
	  maxvers = rpcerr.re_vers.high;
	}
      else if (rpc_stat == RPC_SUCCESS)
	{
	  /*
	   * Oh dear, it DOES support version 0.
	   * Let's try version MAX_VERS.
	   */
	  addr.sin_port = htons (portnum);
	  to.tv_sec = 5;
	  to.tv_usec = 0;
	  if ((client = clntudp_create (&addr, prognum, MAX_VERS,
					to, &sock)) == NULL)
	    {
	      clnt_pcreateerror ("rpcinfo");
	      printf (_ ("program %lu version %lu is not available\n"),
		      prognum, MAX_VERS);
	      exit (1);
	    }
	  to.tv_sec = 10;
	  to.tv_usec = 0;
	  rpc_stat = clnt_call (client, NULLPROC, (xdrproc_t) xdr_void,
				NULL, (xdrproc_t) xdr_void, NULL, to);
	  if (rpc_stat == RPC_PROGVERSMISMATCH)
	    {
	      clnt_geterr (client, &rpcerr);
	      minvers = rpcerr.re_vers.low;
	      maxvers = rpcerr.re_vers.high;
	    }
	  else if (rpc_stat == RPC_SUCCESS)
	    {
	      /*
	       * It also supports version MAX_VERS.
	       * Looks like we have a wise guy.
	       * OK, we give them information on all
	       * 4 billion versions they support...
	       */
	      minvers = 0;
	      maxvers = MAX_VERS;
	    }
	  else
	    {
	      (void) pstatus (client, prognum, MAX_VERS);
	      exit (1);
	    }
	}
      else
	{
	  (void) pstatus (client, prognum, (u_long) 0);
	  exit (1);
	}
      clnt_destroy (client);
      for (vers = minvers; vers <= maxvers; vers++)
	{
	  addr.sin_port = htons (portnum);
	  to.tv_sec = 5;
	  to.tv_usec = 0;
	  if ((client = clntudp_create (&addr, prognum, vers,
					to, &sock)) == NULL)
	    {
	      clnt_pcreateerror ("rpcinfo");
	      printf (_ ("program %lu version %lu is not available\n"),
		      prognum, vers);
	      exit (1);
	    }
	  to.tv_sec = 10;
	  to.tv_usec = 0;
	  rpc_stat = clnt_call (client, NULLPROC, (xdrproc_t) xdr_void,
				NULL, (xdrproc_t) xdr_void, NULL, to);
	  if (pstatus (client, prognum, vers) < 0)
	    failure = 1;
	  clnt_destroy (client);
	}
    }
  else
    {
      vers = getvers (argv[2]);
      addr.sin_port = htons (portnum);
      to.tv_sec = 5;
      to.tv_usec = 0;
      if ((client = clntudp_create (&addr, prognum, vers,
				    to, &sock)) == NULL)
	{
	  clnt_pcreateerror ("rpcinfo");
	  printf ("program %lu version %lu is not available\n",
		  prognum, vers);
	  exit (1);
	}
      to.tv_sec = 10;
      to.tv_usec = 0;
      rpc_stat = clnt_call (client, 0, (xdrproc_t) xdr_void, NULL,
			    (xdrproc_t) xdr_void, NULL, to);
      if (pstatus (client, prognum, vers) < 0)
	failure = 1;
    }
  (void) close (sock);		/* Close it up again */
  if (failure)
    exit (1);
}

static void
tcpping (portnum, argc, argv)
     u_short portnum;
     int argc;
     char **argv;
{
  struct timeval to;
  struct sockaddr_in addr;
  enum clnt_stat rpc_stat;
  CLIENT *client;
  u_long prognum, vers, minvers, maxvers;
  int sock = RPC_ANYSOCK;
  struct rpc_err rpcerr;
  int failure;

  if (argc < 2 || argc > 3)
    {
      usage ();
      exit (1);
    }
  prognum = getprognum (argv[1]);
  get_inet_address (&addr, argv[0]);
  failure = 0;
  if (argc == 2)
    {
      /*
       * A call to version 0 should fail with a program/version
       * mismatch, and give us the range of versions supported.
       */
      addr.sin_port = htons (portnum);
      if ((client = clnttcp_create (&addr, prognum, MIN_VERS,
				    &sock, 0, 0)) == NULL)
	{
	  clnt_pcreateerror ("rpcinfo");
	  printf (_ ("program %lu is not available\n"),
		  prognum);
	  exit (1);
	}
      to.tv_sec = 10;
      to.tv_usec = 0;
      rpc_stat = clnt_call (client, NULLPROC, (xdrproc_t) xdr_void, NULL,
			    (xdrproc_t) xdr_void, NULL, to);
      if (rpc_stat == RPC_PROGVERSMISMATCH)
	{
	  clnt_geterr (client, &rpcerr);
	  minvers = rpcerr.re_vers.low;
	  maxvers = rpcerr.re_vers.high;
	}
      else if (rpc_stat == RPC_SUCCESS)
	{
	  /*
	   * Oh dear, it DOES support version 0.
	   * Let's try version MAX_VERS.
	   */
	  addr.sin_port = htons (portnum);
	  if ((client = clnttcp_create (&addr, prognum, MAX_VERS,
					&sock, 0, 0)) == NULL)
	    {
	      clnt_pcreateerror ("rpcinfo");
	      printf (_ ("program %lu version %lu is not available\n"),
		      prognum, MAX_VERS);
	      exit (1);
	    }
	  to.tv_sec = 10;
	  to.tv_usec = 0;
	  rpc_stat = clnt_call (client, NULLPROC, (xdrproc_t) xdr_void,
				NULL, (xdrproc_t) xdr_void, NULL, to);
	  if (rpc_stat == RPC_PROGVERSMISMATCH)
	    {
	      clnt_geterr (client, &rpcerr);
	      minvers = rpcerr.re_vers.low;
	      maxvers = rpcerr.re_vers.high;
	    }
	  else if (rpc_stat == RPC_SUCCESS)
	    {
	      /*
	       * It also supports version MAX_VERS.
	       * Looks like we have a wise guy.
	       * OK, we give them information on all
	       * 4 billion versions they support...
	       */
	      minvers = 0;
	      maxvers = MAX_VERS;
	    }
	  else
	    {
	      (void) pstatus (client, prognum, MAX_VERS);
	      exit (1);
	    }
	}
      else
	{
	  (void) pstatus (client, prognum, MIN_VERS);
	  exit (1);
	}
      clnt_destroy (client);
      (void) close (sock);
      sock = RPC_ANYSOCK;	/* Re-initialize it for later */
      for (vers = minvers; vers <= maxvers; vers++)
	{
	  addr.sin_port = htons (portnum);
	  if ((client = clnttcp_create (&addr, prognum, vers,
					&sock, 0, 0)) == NULL)
	    {
	      clnt_pcreateerror ("rpcinfo");
	      printf (_ ("program %lu version %lu is not available\n"),
		      prognum, vers);
	      exit (1);
	    }
	  to.tv_usec = 0;
	  to.tv_sec = 10;
	  rpc_stat = clnt_call (client, 0, (xdrproc_t) xdr_void, NULL,
				(xdrproc_t) xdr_void, NULL, to);
	  if (pstatus (client, prognum, vers) < 0)
	    failure = 1;
	  clnt_destroy (client);
	  (void) close (sock);
	  sock = RPC_ANYSOCK;
	}
    }
  else
    {
      vers = getvers (argv[2]);
      addr.sin_port = htons (portnum);
      if ((client = clnttcp_create (&addr, prognum, vers, &sock,
				    0, 0)) == NULL)
	{
	  clnt_pcreateerror ("rpcinfo");
	  printf (_ ("program %lu version %lu is not available\n"),
		  prognum, vers);
	  exit (1);
	}
      to.tv_usec = 0;
      to.tv_sec = 10;
      rpc_stat = clnt_call (client, 0, (xdrproc_t) xdr_void, NULL,
			    (xdrproc_t) xdr_void, NULL, to);
      if (pstatus (client, prognum, vers) < 0)
	failure = 1;
    }
  if (failure)
    exit (1);
}

/*
 * This routine should take a pointer to an "rpc_err" structure, rather than
 * a pointer to a CLIENT structure, but "clnt_perror" takes a pointer to
 * a CLIENT structure rather than a pointer to an "rpc_err" structure.
 * As such, we have to keep the CLIENT structure around in order to print
 * a good error message.
 */
static int
pstatus (client, prognum, vers)
     register CLIENT *client;
     u_long prognum;
     u_long vers;
{
  struct rpc_err rpcerr;

  clnt_geterr (client, &rpcerr);
  if (rpcerr.re_status != RPC_SUCCESS)
    {
      clnt_perror (client, "rpcinfo");
      printf (_ ("program %lu version %lu is not available\n"),
	      prognum, vers);
      return (-1);
    }
  else
    {
      printf (_ ("program %lu version %lu ready and waiting\n"),
	      prognum, vers);
      return (0);
    }
}

static void
pmapdump (argc, argv)
     int argc;
     char **argv;
{
  struct sockaddr_in server_addr;
  register struct hostent *hp;
  struct pmaplist *head = NULL;
  int socket = RPC_ANYSOCK;
  struct timeval minutetimeout;
  register CLIENT *client;
  struct rpcent *rpc;

  if (argc > 1)
    {
      usage ();
      exit (1);
    }
  if (argc == 1)
    get_inet_address (&server_addr, argv[0]);
  else
    {
      bzero ((char *) &server_addr, sizeof server_addr);
      server_addr.sin_family = AF_INET;
      if ((hp = gethostbyname ("localhost")) != NULL)
	bcopy (hp->h_addr, (caddr_t) & server_addr.sin_addr,
	       hp->h_length);
      else
	server_addr.sin_addr.s_addr = inet_addr ("0.0.0.0");
    }
  minutetimeout.tv_sec = 60;
  minutetimeout.tv_usec = 0;
  server_addr.sin_port = htons (PMAPPORT);
  if ((client = clnttcp_create (&server_addr, PMAPPROG,
				PMAPVERS, &socket, 50, 500)) == NULL)
    {
      clnt_pcreateerror (_ ("rpcinfo: can't contact portmapper"));
      exit (1);
    }
  if (clnt_call (client, PMAPPROC_DUMP, (xdrproc_t) xdr_void, NULL,
		 (xdrproc_t) xdr_pmaplist, (caddr_t) &head,
		 minutetimeout) != RPC_SUCCESS)
    {
      fprintf (stderr, _ ("rpcinfo: can't contact portmapper: "));
      clnt_perror (client, "rpcinfo");
      exit (1);
    }
  if (head == NULL)
    {
      printf (_ ("No remote programs registered.\n"));
    }
  else
    {
      printf (_ ("   program vers proto   port\n"));
      for (; head != NULL; head = head->pml_next)
	{
	  printf ("%10ld%5ld",
		  head->pml_map.pm_prog,
		  head->pml_map.pm_vers);
	  if (head->pml_map.pm_prot == IPPROTO_UDP)
	    printf ("%6s", "udp");
	  else if (head->pml_map.pm_prot == IPPROTO_TCP)
	    printf ("%6s", "tcp");
	  else
	    printf ("%6ld", head->pml_map.pm_prot);
	  printf ("%7ld", head->pml_map.pm_port);
	  rpc = getrpcbynumber (head->pml_map.pm_prog);
	  if (rpc)
	    printf ("  %s\n", rpc->r_name);
	  else
	    printf ("\n");
	}
    }
}

/*
 * reply_proc collects replies from the broadcast.
 * to get a unique list of responses the output of rpcinfo should
 * be piped through sort(1) and then uniq(1).
 */

/*ARGSUSED */
static bool_t
reply_proc (res, who)
     void *res;			/* Nothing comes back */
     struct sockaddr_in *who;	/* Who sent us the reply */
{
  register struct hostent *hp;

  hp = gethostbyaddr ((char *) &who->sin_addr, sizeof who->sin_addr,
		      AF_INET);
  printf ("%s %s\n", inet_ntoa (who->sin_addr),
	  (hp == NULL) ? _ ("(unknown)") : hp->h_name);
  return (FALSE);
}

static void
brdcst (argc, argv)
     int argc;
     char **argv;
{
  enum clnt_stat rpc_stat;
  u_long prognum, vers;

  if (argc != 2)
    {
      usage ();
      exit (1);
    }
  prognum = getprognum (argv[0]);
  vers = getvers (argv[1]);
  rpc_stat = clnt_broadcast (prognum, vers, NULLPROC, (xdrproc_t) xdr_void,
			     NULL, (xdrproc_t) xdr_void, NULL,
			     (resultproc_t) reply_proc);
  if ((rpc_stat != RPC_SUCCESS) && (rpc_stat != RPC_TIMEDOUT))
    {
      fprintf (stderr, _ ("rpcinfo: broadcast failed: %s\n"),
	       clnt_sperrno (rpc_stat));
      exit (1);
    }
  exit (0);
}

static void
deletereg (argc, argv)
     int argc;
     char **argv;
{
  u_long prog_num, version_num;

  if (argc != 2)
    {
      usage ();
      exit (1);
    }
  if (getuid ())
    {				/* This command allowed only to root */
      fprintf (stderr, "Sorry. You are not root\n");
      exit (1);
    }
  prog_num = getprognum (argv[0]);
  version_num = getvers (argv[1]);
  if ((pmap_unset (prog_num, version_num)) == 0)
    {
      fprintf (stderr, _ ("rpcinfo: Could not delete registration for prog %s version %s\n"),
	       argv[0], argv[1]);
      exit (1);
    }
}

static void
usage ()
{
  fprintf (stderr, _ ("Usage: rpcinfo [ -n portnum ] -u host prognum [ versnum ]\n"));
  fprintf (stderr, _ ("       rpcinfo [ -n portnum ] -t host prognum [ versnum ]\n"));
  fprintf (stderr, _ ("       rpcinfo -p [ host ]\n"));
  fprintf (stderr, _ ("       rpcinfo -b prognum versnum\n"));
  fprintf (stderr, _ ("       rpcinfo -d prognum versnum\n"));
}

static u_long
getprognum (arg)
     char *arg;
{
  register struct rpcent *rpc;
  register u_long prognum;

  if (isalpha (*arg))
    {
      rpc = getrpcbyname (arg);
      if (rpc == NULL)
	{
	  fprintf (stderr, _ ("rpcinfo: %s is unknown service\n"),
		   arg);
	  exit (1);
	}
      prognum = rpc->r_number;
    }
  else
    {
      prognum = (u_long) atoi (arg);
    }

  return (prognum);
}

static u_long
getvers (arg)
     char *arg;
{
  register u_long vers;

  vers = (int) atoi (arg);
  return (vers);
}

static void
get_inet_address (addr, host)
     struct sockaddr_in *addr;
     char *host;
{
  register struct hostent *hp;

  bzero ((char *) addr, sizeof *addr);
  addr->sin_addr.s_addr = (u_long) inet_addr (host);
  if (addr->sin_addr.s_addr == -1 || addr->sin_addr.s_addr == 0)
    {
      if ((hp = gethostbyname (host)) == NULL)
	{
	  fprintf (stderr, _ ("rpcinfo: %s is unknown host\n"),
		   host);
	  exit (1);
	}
      bcopy (hp->h_addr, (char *) &addr->sin_addr, hp->h_length);
    }
  addr->sin_family = AF_INET;
}