Home | History | Annotate | Line # | Download | only in rpcinfo
      1 /*	$NetBSD: rpcinfo.c,v 1.38 2023/12/11 13:56:47 mlelstv Exp $	*/
      2 
      3 /*
      4  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
      5  * unrestricted use provided that this legend is included on all tape
      6  * media and as a part of the software program in whole or part.  Users
      7  * may copy or modify Sun RPC without charge, but are not authorized
      8  * to license or distribute it to anyone else except as part of a product or
      9  * program developed by the user.
     10  *
     11  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
     12  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
     13  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
     14  *
     15  * Sun RPC is provided with no support and without any obligation on the
     16  * part of Sun Microsystems, Inc. to assist in its use, correction,
     17  * modification or enhancement.
     18  *
     19  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
     20  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
     21  * OR ANY PART THEREOF.
     22  *
     23  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
     24  * or profits or other special, indirect and consequential damages, even if
     25  * Sun has been advised of the possibility of such damages.
     26  *
     27  * Sun Microsystems, Inc.
     28  * 2550 Garcia Avenue
     29  * Mountain View, California  94043
     30  */
     31 
     32 /*
     33  * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc.
     34  */
     35 
     36 /* #ident	"@(#)rpcinfo.c	1.18	93/07/05 SMI" */
     37 
     38 #if 0
     39 #ifndef lint
     40 static char sccsid[] = "@(#)rpcinfo.c 1.16 89/04/05 Copyr 1986 Sun Micro";
     41 #endif
     42 #endif
     43 
     44 /*
     45  * rpcinfo: ping a particular rpc program
     46  * 	or dump the registered programs on the remote machine.
     47  */
     48 
     49 /*
     50  * We are for now defining PORTMAP here.  It doesnt even compile
     51  * unless it is defined.
     52  */
     53 #ifndef	PORTMAP
     54 #define	PORTMAP
     55 #endif
     56 
     57 /*
     58  * If PORTMAP is defined, rpcinfo will talk to both portmapper and
     59  * rpcbind programs; else it talks only to rpcbind. In the latter case
     60  * all the portmapper specific options such as -u, -t, -p become void.
     61  */
     62 #include <sys/types.h>
     63 #include <sys/socket.h>
     64 #include <sys/param.h>
     65 #include <sys/un.h>
     66 #include <rpc/rpc.h>
     67 #include <stdio.h>
     68 #include <rpc/rpcb_prot.h>
     69 #include <rpc/rpcent.h>
     70 #include <rpc/nettype.h>
     71 #include <stdlib.h>
     72 #include <string.h>
     73 #include <unistd.h>
     74 #include <err.h>
     75 #include <ctype.h>
     76 #include <errno.h>
     77 
     78 #ifdef PORTMAP		/* Support for version 2 portmapper */
     79 #include <netinet/in.h>
     80 #include <netdb.h>
     81 #include <arpa/inet.h>
     82 #include <rpc/pmap_prot.h>
     83 #include <rpc/pmap_clnt.h>
     84 #endif
     85 
     86 #define	MIN_VERS	((rpcvers_t)0)
     87 #define	MAX_VERS	((rpcvers_t)4294967295UL)
     88 #define PMAP_PROG	((rpcprog_t)PMAPPROG)
     89 #define PMAP_VERS	((rpcvers_t)PMAPVERS)
     90 #define RPCB_VERS	((rpcvers_t)RPCBVERS)
     91 #define RPCB_VERS4	((rpcvers_t)RPCB_VERS)
     92 #define UL(a)		((unsigned long)a)
     93 static char unknown[] = "unknown";
     94 
     95 /*
     96  * Functions to be performed.
     97  */
     98 #define	NONE		0	/* no function */
     99 #define	PMAPDUMP	1	/* dump portmapper registrations */
    100 #define	TCPPING		2	/* ping TCP service */
    101 #define	UDPPING		3	/* ping UDP service */
    102 #define	BROADCAST	4	/* ping broadcast service */
    103 #define	DELETES		5	/* delete registration for the service */
    104 #define	ADDRPING	6	/* pings at the given address */
    105 #define	PROGPING	7	/* pings a program on a given host */
    106 #define	RPCBDUMP	8	/* dump rpcbind registrations */
    107 #define	RPCBDUMP_SHORT	9	/* dump rpcbind registrations - short version */
    108 #define	RPCBADDRLIST	10	/* dump addr list about one prog */
    109 #define	RPCBGETSTAT	11	/* Get statistics */
    110 
    111 struct netidlist {
    112 	char *netid;
    113 	struct netidlist *next;
    114 };
    115 
    116 struct verslist {
    117 	rpcvers_t vers;
    118 	struct verslist *next;
    119 };
    120 
    121 struct rpcbdump_short {
    122 	rpcprog_t prog;
    123 	struct verslist *vlist;
    124 	struct netidlist *nlist;
    125 	struct rpcbdump_short *next;
    126 	char *owner;
    127 };
    128 
    129 
    130 
    131 #ifdef PORTMAP
    132 static void	ip_ping(u_short, const char *, int, char **);
    133 static CLIENT	*clnt_com_create(struct sockaddr_in *, rpcprog_t, rpcvers_t,
    134     int *, const char *);
    135 static void	pmapdump(int, char **);
    136 static void	get_inet_address(struct sockaddr_in *, const char *);
    137 #endif
    138 
    139 static bool_t	reply_proc(void *, struct netbuf *, struct netconfig *);
    140 __dead static void	brdcst(int, char **);
    141 static void	addrping(const char *, const char *, int, char **);
    142 static void	progping(const char *, int, char **);
    143 static CLIENT	*clnt_addr_create(const char *, const struct netconfig *,
    144     rpcprog_t, rpcvers_t);
    145 static CLIENT   *clnt_rpcbind_create(const char *, rpcvers_t, struct netbuf **);
    146 static CLIENT   *getclnthandle(const char *, const struct netconfig *,
    147     rpcvers_t, struct netbuf **);
    148 static CLIENT	*local_rpcb(rpcprog_t, rpcvers_t);
    149 static int	pstatus(CLIENT *, rpcprog_t, rpcvers_t);
    150 static void	rpcbdump(int, const char *, int, char **);
    151 static void	rpcbgetstat(int, char **);
    152 static void	rpcbaddrlist(const char *, int, char **);
    153 static void	deletereg(const char *, int, char **);
    154 static void	print_rmtcallstat(int, const rpcb_stat *);
    155 static void	print_getaddrstat(int, const rpcb_stat *);
    156 static void	usage(void) __dead;
    157 static rpcprog_t	getprognum(const char *);
    158 static rpcvers_t	getvers(const char *);
    159 static const char *spaces(size_t);
    160 static bool_t	add_version(struct rpcbdump_short *, rpcvers_t);
    161 static bool_t	add_netid(struct rpcbdump_short *, char *);
    162 
    163 int
    164 main(int argc, char **argv)
    165 {
    166 	int c;
    167 	int errflg;
    168 	int function;
    169 	char *netid = NULL;
    170 	char *address = NULL;
    171 #ifdef PORTMAP
    172 	char *strptr;
    173 	u_short portnum = 0;
    174 #endif
    175 
    176 	function = NONE;
    177 	errflg = 0;
    178 #ifdef PORTMAP
    179 	while ((c = getopt(argc, argv, "a:bdlmn:pstT:u")) != -1) {
    180 #else
    181 	while ((c = getopt(argc, argv, "a:bdlmn:sT:")) != -1) {
    182 #endif
    183 		switch (c) {
    184 #ifdef PORTMAP
    185 		case 'p':
    186 			if (function != NONE)
    187 				errflg = 1;
    188 			else
    189 				function = PMAPDUMP;
    190 			break;
    191 
    192 		case 't':
    193 			if (function != NONE)
    194 				errflg = 1;
    195 			else
    196 				function = TCPPING;
    197 			break;
    198 
    199 		case 'u':
    200 			if (function != NONE)
    201 				errflg = 1;
    202 			else
    203 				function = UDPPING;
    204 			break;
    205 
    206 		case 'n':
    207 			portnum = (u_short) strtol(optarg, &strptr, 10);
    208 			if (strptr == optarg || *strptr != '\0')
    209 				errx(1, "Illegal port number `%s'", optarg);
    210 			break;
    211 #endif
    212 		case 'a':
    213 			address = optarg;
    214 			if (function != NONE)
    215 				errflg = 1;
    216 			else
    217 				function = ADDRPING;
    218 			break;
    219 		case 'b':
    220 			if (function != NONE)
    221 				errflg = 1;
    222 			else
    223 				function = BROADCAST;
    224 			break;
    225 
    226 		case 'd':
    227 			if (function != NONE)
    228 				errflg = 1;
    229 			else
    230 				function = DELETES;
    231 			break;
    232 
    233 		case 'l':
    234 			if (function != NONE)
    235 				errflg = 1;
    236 			else
    237 				function = RPCBADDRLIST;
    238 			break;
    239 
    240 		case 'm':
    241 			if (function != NONE)
    242 				errflg = 1;
    243 			else
    244 				function = RPCBGETSTAT;
    245 			break;
    246 
    247 		case 's':
    248 			if (function != NONE)
    249 				errflg = 1;
    250 			else
    251 				function = RPCBDUMP_SHORT;
    252 			break;
    253 
    254 		case 'T':
    255 			netid = optarg;
    256 			break;
    257 		case '?':
    258 			errflg = 1;
    259 			break;
    260 		}
    261 	}
    262 
    263 	if (errflg || ((function == ADDRPING) && !netid))
    264 		usage();
    265 
    266 	if (function == NONE) {
    267 		if (argc - optind > 1)
    268 			function = PROGPING;
    269 		else
    270 			function = RPCBDUMP;
    271 	}
    272 
    273 	switch (function) {
    274 #ifdef PORTMAP
    275 	case PMAPDUMP:
    276 		if (portnum != 0)
    277 			usage();
    278 		pmapdump(argc - optind, argv + optind);
    279 		break;
    280 
    281 	case UDPPING:
    282 		ip_ping(portnum, "udp", argc - optind, argv + optind);
    283 		break;
    284 
    285 	case TCPPING:
    286 		ip_ping(portnum, "tcp", argc - optind, argv + optind);
    287 		break;
    288 #endif
    289 	case BROADCAST:
    290 		brdcst(argc - optind, argv + optind);
    291 		break;
    292 	case DELETES:
    293 		deletereg(netid, argc - optind, argv + optind);
    294 		break;
    295 	case ADDRPING:
    296 		addrping(address, netid, argc - optind, argv + optind);
    297 		break;
    298 	case PROGPING:
    299 		progping(netid, argc - optind, argv + optind);
    300 		break;
    301 	case RPCBDUMP:
    302 	case RPCBDUMP_SHORT:
    303 		rpcbdump(function, netid, argc - optind, argv + optind);
    304 		break;
    305 	case RPCBGETSTAT:
    306 		rpcbgetstat(argc - optind, argv + optind);
    307 		break;
    308 	case RPCBADDRLIST:
    309 		rpcbaddrlist(netid, argc - optind, argv + optind);
    310 		break;
    311 	}
    312 	return (0);
    313 }
    314 
    315 static CLIENT *
    316 local_rpcb(rpcprog_t prog, rpcvers_t vers)
    317 {
    318 	struct netbuf nbuf;
    319 	struct sockaddr_un sun;
    320 	int sock;
    321 
    322 	(void)memset(&sun, 0, sizeof sun);
    323 	sock = socket(AF_LOCAL, SOCK_STREAM, 0);
    324 	if (sock < 0)
    325 		return NULL;
    326 
    327 	sun.sun_family = AF_LOCAL;
    328 	(void)strlcpy(sun.sun_path, _PATH_RPCBINDSOCK, sizeof(sun.sun_path));
    329 	nbuf.len = sun.sun_len = SUN_LEN(&sun);
    330 	nbuf.maxlen = sizeof (struct sockaddr_un);
    331 	nbuf.buf = &sun;
    332 
    333 	return clnt_vc_create(sock, &nbuf, prog, vers, 0, 0);
    334 }
    335 
    336 #ifdef PORTMAP
    337 static CLIENT *
    338 clnt_com_create(struct sockaddr_in *addr, rpcprog_t prog, rpcvers_t vers,
    339     int *fdp, const char *trans)
    340 {
    341 	CLIENT *clnt;
    342 
    343 	if (strcmp(trans, "tcp") == 0) {
    344 		clnt = clnttcp_create(addr, UL(prog), UL(vers), fdp, 0, 0);
    345 	} else {
    346 		struct timeval to;
    347 
    348 		to.tv_sec = 5;
    349 		to.tv_usec = 0;
    350 		clnt = clntudp_create(addr, UL(prog), UL(vers), to, fdp);
    351 	}
    352 	if (clnt == NULL) {
    353 		char *m = clnt_spcreateerror("") + 2;
    354 		if (vers == MIN_VERS)
    355 			errx(1, "Program %lu is not available (%s)",
    356 			    (unsigned long)prog, m);
    357 		else
    358 			errx(1, "Program %lu version %lu is not available (%s)",
    359 			    (unsigned long)prog, (unsigned long)vers, m);
    360 	}
    361 	return clnt;
    362 }
    363 
    364 /*
    365  * If portnum is 0, then go and get the address from portmapper, which happens
    366  * transparently through clnt*_create(); If version number is not given, it
    367  * tries to find out the version number by making a call to version 0 and if
    368  * that fails, it obtains the high order and the low order version number. If
    369  * version 0 calls succeeds, it tries for MAXVERS call and repeats the same.
    370  */
    371 static void
    372 ip_ping(u_short portnum, const char *trans, int argc, char **argv)
    373 {
    374 	CLIENT *client;
    375 	int fd = RPC_ANYFD;
    376 	struct timeval to;
    377 	struct sockaddr_in addr;
    378 	enum clnt_stat rpc_stat;
    379 	rpcprog_t prognum, vers, minvers, maxvers;
    380 	struct rpc_err rpcerr;
    381 	int failure = 0;
    382 
    383 	if (argc < 2 || argc > 3)
    384 		usage();
    385 	to.tv_sec = 10;
    386 	to.tv_usec = 0;
    387 	prognum = getprognum(argv[1]);
    388 	get_inet_address(&addr, argv[0]);
    389 	if (argc == 2) {	/* Version number not known */
    390 		/*
    391 		 * A call to version 0 should fail with a program/version
    392 		 * mismatch, and give us the range of versions supported.
    393 		 */
    394 		vers = MIN_VERS;
    395 	} else {
    396 		vers = getvers(argv[2]);
    397 	}
    398 	addr.sin_port = htons(portnum);
    399 	client = clnt_com_create(&addr, prognum, vers, &fd, trans);
    400 	rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
    401 	    NULL, (xdrproc_t)xdr_void, NULL, to);
    402 	if (argc != 2) {
    403 		/* Version number was known */
    404 		if (pstatus(client, prognum, vers) < 0)
    405 			exit(1);
    406 		(void)CLNT_DESTROY(client);
    407 		return;
    408 	}
    409 	/* Version number not known */
    410 	(void)CLNT_CONTROL(client, CLSET_FD_NCLOSE, NULL);
    411 	if (rpc_stat == RPC_PROGVERSMISMATCH) {
    412 		clnt_geterr(client, &rpcerr);
    413 		minvers = rpcerr.re_vers.low;
    414 		maxvers = rpcerr.re_vers.high;
    415 	} else if (rpc_stat == RPC_SUCCESS) {
    416 		/*
    417 		 * Oh dear, it DOES support version 0.
    418 		 * Let's try version MAX_VERS.
    419 		 */
    420 		(void)CLNT_DESTROY(client);
    421 		addr.sin_port = htons(portnum);
    422 		client = clnt_com_create(&addr, (unsigned int)prognum,
    423 		    MAX_VERS, &fd, trans);
    424 		rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
    425 		    NULL, (xdrproc_t)xdr_void, NULL, to);
    426 		if (rpc_stat == RPC_PROGVERSMISMATCH) {
    427 			clnt_geterr(client, &rpcerr);
    428 			minvers = rpcerr.re_vers.low;
    429 			maxvers = rpcerr.re_vers.high;
    430 		} else if (rpc_stat == RPC_SUCCESS) {
    431 			/*
    432 			 * It also supports version MAX_VERS.
    433 			 * Looks like we have a wise guy.
    434 			 * OK, we give them information on all
    435 			 * 4 billion versions they support...
    436 			 */
    437 			minvers = 0;
    438 			maxvers = MAX_VERS;
    439 		} else {
    440 			(void)pstatus(client, prognum, MAX_VERS);
    441 			exit(1);
    442 		}
    443 	} else {
    444 		(void)pstatus(client, prognum, MIN_VERS);
    445 		exit(1);
    446 	}
    447 	(void)CLNT_DESTROY(client);
    448 	for (vers = minvers; vers <= maxvers; vers++) {
    449 		addr.sin_port = htons(portnum);
    450 		client = clnt_com_create(&addr, prognum, vers, &fd, trans);
    451 		rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
    452 		    NULL, (xdrproc_t)xdr_void, NULL, to);
    453 		if (pstatus(client, prognum, vers) < 0)
    454 		    failure = 1;
    455 		(void)CLNT_DESTROY(client);
    456 	}
    457 	if (failure)
    458 		exit(1);
    459 	(void)close(fd);
    460 	return;
    461 }
    462 
    463 /*
    464  * Dump all the portmapper registerations
    465  */
    466 static void
    467 pmapdump(int argc, char **argv)
    468 {
    469 	struct sockaddr_in server_addr;
    470 	struct pmaplist *head = NULL;
    471 	int sock = RPC_ANYSOCK;
    472 	struct timeval minutetimeout;
    473 	CLIENT *client;
    474 	struct rpcent *rpc;
    475 	enum clnt_stat clnt_st;
    476 	struct rpc_err error;
    477 	char *host = NULL;
    478 
    479 	if (argc > 1)
    480 		usage();
    481 	if (argc == 1) {
    482 		host = argv[0];
    483 		get_inet_address(&server_addr, host);
    484 		server_addr.sin_port = htons(PMAPPORT);
    485 		client = clnttcp_create(&server_addr, PMAPPROG, PMAPVERS,
    486 		    &sock, 50, 500);
    487 	} else
    488 		client = local_rpcb(PMAP_PROG, PMAP_VERS);
    489 
    490 	if (client == NULL) {
    491 		if (rpc_createerr.cf_stat == RPC_TLIERROR) {
    492 			/*
    493 			 * "Misc. TLI error" is not too helpful. Most likely
    494 			 * the connection to the remote server timed out, so
    495 			 * this error is at least less perplexing.
    496 			 */
    497 			rpc_createerr.cf_stat = RPC_PMAPFAILURE;
    498 			rpc_createerr.cf_error.re_status = RPC_FAILED;
    499 		}
    500 		errx(1, "Can't contact portmapper (%s)",
    501 		    clnt_spcreateerror("") + 2);
    502 	}
    503 
    504 	minutetimeout.tv_sec = 60;
    505 	minutetimeout.tv_usec = 0;
    506 
    507 	clnt_st = CLNT_CALL(client, (unsigned int)PMAPPROC_DUMP,
    508 	    (xdrproc_t)xdr_void, NULL, (xdrproc_t)xdr_pmaplist_ptr,
    509 	    (char *)(void *)&head, minutetimeout);
    510 	if (clnt_st != RPC_SUCCESS) {
    511 		if ((clnt_st == RPC_PROGVERSMISMATCH) ||
    512 		    (clnt_st == RPC_PROGUNAVAIL)) {
    513 			CLNT_GETERR(client, &error);
    514 			if (error.re_vers.low > PMAPVERS) {
    515 				if (host)
    516 					warnx(
    517 	"%s does not support portmapper. Try 'rpcinfo %s' instead",
    518 					    host, host);
    519 				else
    520 					warnx(
    521 	"local host does not support portmapper.  Try 'rpcinfo' instead\n");
    522 			}
    523 			exit(1);
    524 		}
    525 		errx(1, "Can't contact portmapper (%s)",
    526 		    clnt_sperror(client, "") + 2);
    527 		exit(1);
    528 	}
    529 	if (head == NULL) {
    530 		(void)printf("No remote programs registered.\n");
    531 	} else {
    532 		(void)printf("   program vers proto   port  service\n");
    533 		for (; head != NULL; head = head->pml_next) {
    534 			(void)printf("%10ld%5ld",
    535 				head->pml_map.pm_prog,
    536 				head->pml_map.pm_vers);
    537 			if (head->pml_map.pm_prot == IPPROTO_UDP)
    538 				(void)printf("%6s", "udp");
    539 			else if (head->pml_map.pm_prot == IPPROTO_TCP)
    540 				(void)printf("%6s", "tcp");
    541 			else if (head->pml_map.pm_prot == 0)
    542 				(void)printf("%6s", "local");
    543 			else
    544 				(void)printf("%6ld", head->pml_map.pm_prot);
    545 			(void)printf("%7ld", head->pml_map.pm_port);
    546 			rpc = getrpcbynumber((int)head->pml_map.pm_prog);
    547 			if (rpc)
    548 				(void)printf("  %s\n", rpc->r_name);
    549 			else
    550 				(void)printf("\n");
    551 		}
    552 	}
    553 }
    554 
    555 static void
    556 get_inet_address(struct sockaddr_in *addr, const char *host)
    557 {
    558 	struct netconfig *nconf;
    559 	struct addrinfo hints, *res;
    560 	int error;
    561 
    562 	(void)memset(addr, 0, sizeof (*addr));
    563 	addr->sin_addr.s_addr = inet_addr(host);
    564 	if (addr->sin_addr.s_addr == (in_addr_t)-1 ||
    565 	    addr->sin_addr.s_addr == 0) {
    566 		if ((nconf = __rpc_getconfip("udp")) == NULL &&
    567 		    (nconf = __rpc_getconfip("tcp")) == NULL) {
    568 			errx(1, "Couldn't find a suitable transport");
    569 		} else {
    570 			(void)memset(&hints, 0, sizeof hints);
    571 			hints.ai_family = AF_INET;
    572 			if ((error = getaddrinfo(host, "sunrpc", &hints, &res))
    573 			    != 0) {
    574 				errx(1, "%s: %s", host, gai_strerror(error));
    575 			} else {
    576 				(void)memcpy(addr, res->ai_addr,
    577 				    res->ai_addrlen);
    578 				freeaddrinfo(res);
    579 			}
    580 			(void)freenetconfigent(nconf);
    581 		}
    582 	} else {
    583 		addr->sin_family = AF_INET;
    584 	}
    585 }
    586 #endif /* PORTMAP */
    587 
    588 /*
    589  * reply_proc collects replies from the broadcast.
    590  * to get a unique list of responses the output of rpcinfo should
    591  * be piped through sort(1) and then uniq(1).
    592  */
    593 
    594 /*ARGSUSED*/
    595 static bool_t
    596 reply_proc(
    597 	void *res,		/* Nothing comes back */
    598 	struct netbuf *who,	/* Who sent us the reply */
    599 	struct netconfig *nconf /* On which transport the reply came */
    600 )
    601 {
    602 	const char *uaddr;
    603 	char *uf;
    604 	char hostbuf[NI_MAXHOST];
    605 	const char *hostname;
    606 	struct sockaddr *sa = (struct sockaddr *)who->buf;
    607 
    608 	if (getnameinfo(sa, (socklen_t)sa->sa_len, hostbuf, NI_MAXHOST, NULL,
    609 	    0, 0)) {
    610 		hostname = unknown;
    611 	} else {
    612 		hostname = hostbuf;
    613 	}
    614 	if (!(uaddr = uf = taddr2uaddr(nconf, who))) {
    615 		uaddr = unknown;
    616 	}
    617 	(void)printf("%s\t%s\n", uaddr, hostname);
    618 	if (uf)
    619 		free(uf);
    620 	return FALSE;
    621 }
    622 
    623 static void
    624 brdcst(int argc, char **argv)
    625 {
    626 	enum clnt_stat rpc_stat;
    627 	rpcprog_t prognum;
    628 	rpcvers_t vers;
    629 
    630 	if (argc != 2)
    631 		usage();
    632 	prognum = getprognum(argv[0]);
    633 	vers = getvers(argv[1]);
    634 	rpc_stat = rpc_broadcast(prognum, vers, NULLPROC,
    635 	    (xdrproc_t)xdr_void, NULL, (xdrproc_t)xdr_void,
    636 	    NULL, (resultproc_t) reply_proc, NULL);
    637 	if ((rpc_stat != RPC_SUCCESS) && (rpc_stat != RPC_TIMEDOUT))
    638 		errx(1, "broadcast failed: %s", clnt_sperrno(rpc_stat));
    639 	exit(0);
    640 }
    641 
    642 static bool_t
    643 add_version(struct rpcbdump_short *rs, rpcvers_t vers)
    644 {
    645 	struct verslist *vl;
    646 
    647 	for (vl = rs->vlist; vl; vl = vl->next)
    648 		if (vl->vers == vers)
    649 			break;
    650 	if (vl)
    651 		return TRUE;
    652 	vl = malloc(sizeof (struct verslist));
    653 	if (vl == NULL)
    654 		return FALSE;
    655 	vl->vers = vers;
    656 	vl->next = rs->vlist;
    657 	rs->vlist = vl;
    658 	return TRUE;
    659 }
    660 
    661 static bool_t
    662 add_netid(struct rpcbdump_short *rs, char *netid)
    663 {
    664 	struct netidlist *nl;
    665 
    666 	for (nl = rs->nlist; nl; nl = nl->next)
    667 		if (strcmp(nl->netid, netid) == 0)
    668 			break;
    669 	if (nl)
    670 		return TRUE;
    671 	nl = malloc(sizeof(*nl));
    672 	if (nl == NULL)
    673 		return FALSE;
    674 	nl->netid = netid;
    675 	nl->next = rs->nlist;
    676 	rs->nlist = nl;
    677 	return TRUE;
    678 }
    679 
    680 static void
    681 rpcbdump(int dumptype, const char *netid, int argc, char **argv)
    682 {
    683 	rpcblist_ptr head = NULL, p;
    684 	struct timeval minutetimeout;
    685 	CLIENT *client = NULL;
    686 	struct rpcent *rpc;
    687 	char *host;
    688 	struct netidlist *nl;
    689 	struct verslist *vl;
    690 	struct rpcbdump_short *rs, *rs_tail = NULL;
    691 	char buf[256];
    692 	enum clnt_stat clnt_st;
    693 	struct rpc_err error;
    694 	struct rpcbdump_short *rs_head = NULL;
    695 
    696 	if (argc > 1)
    697 		usage();
    698 	if (argc == 1) {
    699 		host = argv[0];
    700 		if (netid == NULL) {
    701 			client = clnt_rpcbind_create(host, RPCBVERS, NULL);
    702 		} else {
    703 			struct netconfig *nconf;
    704 
    705 			nconf = getnetconfigent(netid);
    706 			if (nconf == NULL)
    707 				errx(1, "Invalid transport (%s)",
    708 				    nc_sperror());
    709 			client = getclnthandle(host, nconf, RPCBVERS, NULL);
    710 			if (nconf)
    711 				(void)freenetconfigent(nconf);
    712 		}
    713 	} else
    714 		client = local_rpcb(PMAP_PROG, RPCB_VERS);
    715 
    716 	if (client == NULL)
    717 		errx(1, "Can't contact rpcbind (%s)",
    718 		    clnt_spcreateerror(""));
    719 	minutetimeout.tv_sec = 60;
    720 	minutetimeout.tv_usec = 0;
    721 	clnt_st = CLNT_CALL(client, RPCBPROC_DUMP, (xdrproc_t)xdr_void,
    722 		NULL, (xdrproc_t)xdr_rpcblist_ptr, (char *)(void *)&head,
    723 		minutetimeout);
    724 	if (clnt_st != RPC_SUCCESS) {
    725 	    if ((clnt_st == RPC_PROGVERSMISMATCH) ||
    726 		(clnt_st == RPC_PROGUNAVAIL)) {
    727 		int vers;
    728 
    729 		CLNT_GETERR(client, &error);
    730 		if (error.re_vers.low == RPCBVERS4) {
    731 		    vers = RPCBVERS4;
    732 		    clnt_control(client, CLSET_VERS, (char *)(void *)&vers);
    733 		    clnt_st = CLNT_CALL(client, RPCBPROC_DUMP,
    734 			(xdrproc_t)xdr_void, NULL,
    735 			(xdrproc_t)xdr_rpcblist_ptr, (char *)(void *)&head,
    736 			minutetimeout);
    737 		    if (clnt_st != RPC_SUCCESS)
    738 			goto failed;
    739 		} else {
    740 		    if (error.re_vers.high == PMAPVERS) {
    741 			int high, low;
    742 			struct pmaplist *pmaphead = NULL;
    743 			rpcblist_ptr list, prev = NULL;
    744 
    745 			vers = PMAPVERS;
    746 			clnt_control(client, CLSET_VERS, (char *)(void *)&vers);
    747 			clnt_st = CLNT_CALL(client, (unsigned int)PMAPPROC_DUMP,
    748 				(xdrproc_t)xdr_void, NULL,
    749 				(xdrproc_t)xdr_pmaplist_ptr,
    750 				(char *)(void *)&pmaphead, minutetimeout);
    751 			if (clnt_st != RPC_SUCCESS)
    752 				goto failed;
    753 			/*
    754 			 * convert to rpcblist_ptr format
    755 			 */
    756 			for (head = NULL; pmaphead != NULL;
    757 				pmaphead = pmaphead->pml_next) {
    758 			    list = malloc(sizeof (rpcblist));
    759 			    if (list == NULL)
    760 				goto error;
    761 			    if (head == NULL)
    762 				head = list;
    763 			    else
    764 				prev->rpcb_next = (rpcblist_ptr) list;
    765 
    766 			    list->rpcb_next = NULL;
    767 			    list->rpcb_map.r_prog = pmaphead->pml_map.pm_prog;
    768 			    list->rpcb_map.r_vers = pmaphead->pml_map.pm_vers;
    769 			    if (pmaphead->pml_map.pm_prot == IPPROTO_UDP)
    770 				list->rpcb_map.r_netid = strdup("udp");
    771 			    else if (pmaphead->pml_map.pm_prot == IPPROTO_TCP)
    772 				list->rpcb_map.r_netid = strdup("tcp");
    773 			    else {
    774 				(void)asprintf(&list->rpcb_map.r_netid, "%6ld",
    775 				    pmaphead->pml_map.pm_prot);
    776 				if (list->rpcb_map.r_netid == NULL)
    777 					goto error;
    778 			    }
    779 			    list->rpcb_map.r_owner = unknown;
    780 			    low = pmaphead->pml_map.pm_port & 0xff;
    781 			    high = (pmaphead->pml_map.pm_port >> 8) & 0xff;
    782 			    (void)asprintf(&list->rpcb_map.r_addr,
    783 				"0.0.0.0.%d.%d", high, low);
    784 			    if (list->rpcb_map.r_addr == NULL)
    785 				    goto error;
    786 			    prev = list;
    787 			}
    788 		    }
    789 		}
    790 	    } else {	/* any other error */
    791 failed:
    792 		    errx(1, "Can't contact rpcbind (%s)",
    793 			clnt_sperror(client, "") + 2);
    794 	    }
    795 	}
    796 	if (head == NULL) {
    797 		(void)printf("No remote programs registered.\n");
    798 	} else if (dumptype == RPCBDUMP) {
    799 		(void)printf(
    800 "   program version netid     address                service    owner\n");
    801 		for (p = head; p != NULL; p = p->rpcb_next) {
    802 			(void)printf("%10u%5u    ",
    803 			    p->rpcb_map.r_prog, p->rpcb_map.r_vers);
    804 			(void)printf("%-9s ", p->rpcb_map.r_netid);
    805 			(void)printf("%-22s", p->rpcb_map.r_addr);
    806 			rpc = getrpcbynumber((int)p->rpcb_map.r_prog);
    807 			if (rpc)
    808 				(void)printf(" %-10s", rpc->r_name);
    809 			else
    810 				(void)printf(" %-10s", "-");
    811 			(void)printf(" %s\n", p->rpcb_map.r_owner);
    812 		}
    813 	} else if (dumptype == RPCBDUMP_SHORT) {
    814 		for (p = head; p != NULL; p = p->rpcb_next) {
    815 			for (rs = rs_head; rs; rs = rs->next)
    816 				if (p->rpcb_map.r_prog == rs->prog)
    817 					break;
    818 			if (rs == NULL) {
    819 				rs = malloc(sizeof(*rs));
    820 				if (rs == NULL)
    821 					goto error;
    822 				rs->next = NULL;
    823 				if (rs_head == NULL) {
    824 					rs_head = rs;
    825 					rs_tail = rs;
    826 				} else {
    827 					rs_tail->next = rs;
    828 					rs_tail = rs;
    829 				}
    830 				rs->prog = p->rpcb_map.r_prog;
    831 				rs->owner = p->rpcb_map.r_owner;
    832 				rs->nlist = NULL;
    833 				rs->vlist = NULL;
    834 			}
    835 			if (add_version(rs, p->rpcb_map.r_vers) == FALSE)
    836 				goto error;
    837 			if (add_netid(rs, p->rpcb_map.r_netid) == FALSE)
    838 				goto error;
    839 		}
    840 		(void)printf(
    841 "   program version(s) netid(s)                         service     owner\n");
    842 		for (rs = rs_head; rs; rs = rs->next) {
    843 			char *q = buf;
    844 
    845 			(void)printf("%10lu  ", (unsigned long)rs->prog);
    846 			for (vl = rs->vlist; vl; vl = vl->next) {
    847 				(void)snprintf(q, sizeof(buf) - (q - buf),
    848 				    "%lu", (unsigned long)vl->vers);
    849 				q = q + strlen(q);
    850 				if (vl->next) {
    851 					(void)snprintf(q,
    852 					    sizeof(buf) - (q - buf), ",");
    853 					q++;
    854 				}
    855 			}
    856 			(void)printf("%-10s", buf);
    857 			buf[0] = 0;
    858 			for (nl = rs->nlist; nl; nl = nl->next) {
    859 				(void)strlcat(buf, nl->netid, sizeof(buf));
    860 				if (nl->next)
    861 					(void)strlcat(buf, ",", sizeof(buf));
    862 			}
    863 			(void)printf("%-32s", buf);
    864 			rpc = getrpcbynumber((int)rs->prog);
    865 			if (rpc)
    866 				(void)printf(" %-11s", rpc->r_name);
    867 			else
    868 				(void)printf(" %-11s", "-");
    869 			(void)printf(" %s\n", rs->owner);
    870 		}
    871 	}
    872 	if (client)
    873 		clnt_destroy(client);
    874 	while (head != NULL) {
    875 		rpcblist_ptr list = head->rpcb_next;
    876 		if (head->rpcb_map.r_addr)
    877 			free(head->rpcb_map.r_addr);
    878 		if (head->rpcb_map.r_netid)
    879 			free(head->rpcb_map.r_netid);
    880 		free(head);
    881 		head = list;
    882 	}
    883 	while (rs_head) {
    884 		rs = rs_head;
    885 		rs_head = rs_head->next;
    886 		free(rs);
    887 	}
    888 	return;
    889 error:	err(1, "Cannot allocate memory");
    890 }
    891 
    892 static char nullstring[] = "\000";
    893 
    894 static void
    895 rpcbaddrlist(const char *netid, int argc, char **argv)
    896 {
    897 	rpcb_entry_list_ptr head = NULL;
    898 	struct timeval minutetimeout;
    899 	CLIENT *client;
    900 	struct rpcent *rpc;
    901 	char *host;
    902 	RPCB parms;
    903 	struct netbuf *targaddr;
    904 
    905 	if (argc != 3)
    906 		usage();
    907 	host = argv[0];
    908 	if (netid == NULL) {
    909 		client = clnt_rpcbind_create(host, RPCBVERS4, &targaddr);
    910 	} else {
    911 		struct netconfig *nconf;
    912 
    913 		nconf = getnetconfigent(netid);
    914 		if (nconf == NULL)
    915 			errx(1, "Invalid transport (%s)", nc_sperror());
    916 		client = getclnthandle(host, nconf, RPCBVERS4, &targaddr);
    917 		if (nconf)
    918 			(void)freenetconfigent(nconf);
    919 	}
    920 	if (client == NULL)
    921 		errx(1, "Can't contact rpcbind (%s)",
    922 		    clnt_spcreateerror("") + 2);
    923 	minutetimeout.tv_sec = 60;
    924 	minutetimeout.tv_usec = 0;
    925 
    926 	parms.r_prog = 	getprognum(argv[1]);
    927 	parms.r_vers = 	getvers(argv[2]);
    928 	parms.r_netid = client->cl_netid;
    929 	if (targaddr == NULL) {
    930 		parms.r_addr = nullstring;	/* for XDRing */
    931 	} else {
    932 		/*
    933 		 * We also send the remote system the address we
    934 		 * used to contact it in case it can help it
    935 		 * connect back with us
    936 		 */
    937 		struct netconfig *nconf;
    938 
    939 		nconf = getnetconfigent(client->cl_netid);
    940 		if (nconf != NULL) {
    941 			parms.r_addr = taddr2uaddr(nconf, targaddr);
    942 			if (parms.r_addr == NULL)
    943 				parms.r_addr = nullstring;
    944 			freenetconfigent(nconf);
    945 		} else {
    946 			parms.r_addr = nullstring;	/* for XDRing */
    947 		}
    948 		free(targaddr->buf);
    949 		free(targaddr);
    950 	}
    951 	parms.r_owner = nullstring;
    952 
    953 	if (CLNT_CALL(client, RPCBPROC_GETADDRLIST, (xdrproc_t)xdr_rpcb,
    954 		(char *)(void *)&parms, (xdrproc_t)xdr_rpcb_entry_list_ptr,
    955 		(char *)(void *)&head, minutetimeout) != RPC_SUCCESS) {
    956 		errx(1, "Can't contact rpcbind (%s)",
    957 		    clnt_sperror(client, "") + 2);
    958 	}
    959 	if (head == NULL) {
    960 		(void)printf("No remote programs registered.\n");
    961 	} else {
    962 		(void)printf(
    963 	"   program vers  tp_family/name/class    address\t\t  service\n");
    964 		for (; head != NULL; head = head->rpcb_entry_next) {
    965 			rpcb_entry *re;
    966 			char buf[128];
    967 
    968 			re = &head->rpcb_entry_map;
    969 			(void)printf("%10u%3u    ",
    970 			    parms.r_prog, parms.r_vers);
    971 			(void)snprintf(buf, sizeof(buf), "%s/%s/%s ",
    972 			    re->r_nc_protofmly, re->r_nc_proto,
    973 			    re->r_nc_semantics == NC_TPI_CLTS ? "clts" :
    974 			    re->r_nc_semantics == NC_TPI_COTS ? "cots" :
    975 			    "cots_ord");
    976 			(void)printf("%-24s", buf);
    977 			(void)printf("%-24s", re->r_maddr);
    978 			rpc = getrpcbynumber((int)parms.r_prog);
    979 			if (rpc)
    980 				(void)printf(" %-13s", rpc->r_name);
    981 			else
    982 				(void)printf(" %-13s", "-");
    983 			(void)printf("\n");
    984 		}
    985 	}
    986 	clnt_destroy(client);
    987 	return;
    988 }
    989 
    990 /*
    991  * monitor rpcbind
    992  */
    993 static void
    994 rpcbgetstat(int argc, char **argv)
    995 {
    996 	rpcb_stat_byvers inf;
    997 	struct timeval minutetimeout;
    998 	CLIENT *client;
    999 	char *host;
   1000 	int i, j;
   1001 	rpcbs_addrlist *pa;
   1002 	rpcbs_rmtcalllist *pr;
   1003 	size_t cnt, flen;
   1004 #define	MAXFIELD	64
   1005 	char fieldbuf[MAXFIELD];
   1006 #define	MAXLINE		256
   1007 	char linebuf[MAXLINE];
   1008 	char *cp, *lp;
   1009 	static const char *pmaphdr[] = {
   1010 		"NULL", "SET", "UNSET", "GETPORT",
   1011 		"DUMP", "CALLIT"
   1012 	};
   1013 	static const char *rpcb3hdr[] = {
   1014 		"NULL", "SET", "UNSET", "GETADDR", "DUMP", "CALLIT", "TIME",
   1015 		"U2T", "T2U"
   1016 	};
   1017 	static const char *rpcb4hdr[] = {
   1018 		"NULL", "SET", "UNSET", "GETADDR", "DUMP", "CALLIT", "TIME",
   1019 		"U2T",  "T2U", "VERADDR", "INDRECT", "GETLIST", "GETSTAT"
   1020 	};
   1021 
   1022 #define	TABSTOP	8
   1023 
   1024 	if (argc >= 1) {
   1025 		host = argv[0];
   1026 		client = clnt_rpcbind_create(host, RPCBVERS4, NULL);
   1027 	} else
   1028 		client = local_rpcb(PMAP_PROG, RPCB_VERS4);
   1029 	if (client == NULL)
   1030 		errx(1, "Can't contact rpcbind (%s)",
   1031 		    clnt_spcreateerror("") + 2);
   1032 	minutetimeout.tv_sec = 60;
   1033 	minutetimeout.tv_usec = 0;
   1034 	(void)memset(&inf, 0, sizeof (rpcb_stat_byvers));
   1035 	if (CLNT_CALL(client, RPCBPROC_GETSTAT, (xdrproc_t)xdr_void, NULL,
   1036 	    (xdrproc_t)xdr_rpcb_stat_byvers, (char *)(void *)&inf,
   1037 	    minutetimeout) != RPC_SUCCESS) {
   1038 		errx(1, "Can't contact rpcbind (%s)",
   1039 		    clnt_sperror(client, "") + 2);
   1040 	}
   1041 	(void)printf("PORTMAP (version 2) statistics\n");
   1042 	lp = linebuf;
   1043 	for (i = 0; i <= rpcb_highproc_2; i++) {
   1044 		fieldbuf[0] = '\0';
   1045 		switch (i) {
   1046 		case PMAPPROC_SET:
   1047 			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%d/",
   1048 			    inf[RPCBVERS_2_STAT].setinfo);
   1049 			break;
   1050 		case PMAPPROC_UNSET:
   1051 			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%d/",
   1052 			    inf[RPCBVERS_2_STAT].unsetinfo);
   1053 			break;
   1054 		case PMAPPROC_GETPORT:
   1055 			cnt = 0;
   1056 			for (pa = inf[RPCBVERS_2_STAT].addrinfo; pa;
   1057 			    pa = pa->next)
   1058 				cnt += pa->success;
   1059 			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%zu/", cnt);
   1060 			break;
   1061 		case PMAPPROC_CALLIT:
   1062 			cnt = 0;
   1063 			for (pr = inf[RPCBVERS_2_STAT].rmtinfo; pr;
   1064 			    pr = pr->next)
   1065 				cnt += pr->success;
   1066 			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%zu/", cnt);
   1067 			break;
   1068 		default: break;  /* For the remaining ones */
   1069 		}
   1070 		cp = &fieldbuf[0] + strlen(fieldbuf);
   1071 		(void)snprintf(cp, sizeof(fieldbuf) - (cp - fieldbuf), "%d",
   1072 		    inf[RPCBVERS_2_STAT].info[i]);
   1073 		flen = strlen(fieldbuf);
   1074 		(void)printf("%s%s", pmaphdr[i],
   1075 		    spaces((TABSTOP * (1 + flen / TABSTOP))
   1076 		    - strlen(pmaphdr[i])));
   1077 		(void)snprintf(lp, sizeof(linebuf) - (lp - linebuf), "%s%s",
   1078 		    fieldbuf, spaces(cnt = ((TABSTOP * (1 + flen / TABSTOP))
   1079 		    - flen)));
   1080 		lp += (flen + cnt);
   1081 	}
   1082 	(void)printf("\n%s\n\n", linebuf);
   1083 
   1084 	if (inf[RPCBVERS_2_STAT].info[PMAPPROC_CALLIT]) {
   1085 		(void)printf("PMAP_RMTCALL call statistics\n");
   1086 		print_rmtcallstat(RPCBVERS_2_STAT, &inf[RPCBVERS_2_STAT]);
   1087 		(void)printf("\n");
   1088 	}
   1089 
   1090 	if (inf[RPCBVERS_2_STAT].info[PMAPPROC_GETPORT]) {
   1091 		(void)printf("PMAP_GETPORT call statistics\n");
   1092 		print_getaddrstat(RPCBVERS_2_STAT, &inf[RPCBVERS_2_STAT]);
   1093 		(void)printf("\n");
   1094 	}
   1095 
   1096 	(void)printf("RPCBIND (version 3) statistics\n");
   1097 	lp = linebuf;
   1098 	for (i = 0; i <= rpcb_highproc_3; i++) {
   1099 		fieldbuf[0] = '\0';
   1100 		switch (i) {
   1101 		case RPCBPROC_SET:
   1102 			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%d/",
   1103 			    inf[RPCBVERS_3_STAT].setinfo);
   1104 			break;
   1105 		case RPCBPROC_UNSET:
   1106 			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%d/",
   1107 			    inf[RPCBVERS_3_STAT].unsetinfo);
   1108 			break;
   1109 		case RPCBPROC_GETADDR:
   1110 			cnt = 0;
   1111 			for (pa = inf[RPCBVERS_3_STAT].addrinfo; pa;
   1112 			    pa = pa->next)
   1113 				cnt += pa->success;
   1114 			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%zu/", cnt);
   1115 			break;
   1116 		case RPCBPROC_CALLIT:
   1117 			cnt = 0;
   1118 			for (pr = inf[RPCBVERS_3_STAT].rmtinfo; pr;
   1119 			    pr = pr->next)
   1120 				cnt += pr->success;
   1121 			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%zu/", cnt);
   1122 			break;
   1123 		default: break;  /* For the remaining ones */
   1124 		}
   1125 		cp = &fieldbuf[0] + strlen(fieldbuf);
   1126 		(void)snprintf(cp, sizeof(fieldbuf) - (cp - fieldbuf),
   1127 		    "%d", inf[RPCBVERS_3_STAT].info[i]);
   1128 		flen = strlen(fieldbuf);
   1129 		(void)printf("%s%s", rpcb3hdr[i],
   1130 		    spaces((TABSTOP * (1 + flen / TABSTOP))
   1131 		    - strlen(rpcb3hdr[i])));
   1132 		(void)snprintf(lp, sizeof(linebuf) - (lp - linebuf), "%s%s",
   1133 		    fieldbuf, spaces(cnt = ((TABSTOP * (1 + flen / TABSTOP))
   1134 		    - flen)));
   1135 		lp += (flen + cnt);
   1136 	}
   1137 	(void)printf("\n%s\n\n", linebuf);
   1138 
   1139 	if (inf[RPCBVERS_3_STAT].info[RPCBPROC_CALLIT]) {
   1140 		(void)printf("RPCB_RMTCALL (version 3) call statistics\n");
   1141 		print_rmtcallstat(RPCBVERS_3_STAT, &inf[RPCBVERS_3_STAT]);
   1142 		(void)printf("\n");
   1143 	}
   1144 
   1145 	if (inf[RPCBVERS_3_STAT].info[RPCBPROC_GETADDR]) {
   1146 		(void)printf("RPCB_GETADDR (version 3) call statistics\n");
   1147 		print_getaddrstat(RPCBVERS_3_STAT, &inf[RPCBVERS_3_STAT]);
   1148 		(void)printf("\n");
   1149 	}
   1150 
   1151 	(void)printf("RPCBIND (version 4) statistics\n");
   1152 
   1153 	for (j = 0; j <= 9; j += 9) { /* Just two iterations for printing */
   1154 		lp = linebuf;
   1155 		for (i = j; i <= MAX(8, rpcb_highproc_4 - 9 + j); i++) {
   1156 			fieldbuf[0] = '\0';
   1157 			switch (i) {
   1158 			case RPCBPROC_SET:
   1159 				(void)snprintf(fieldbuf, sizeof(fieldbuf),
   1160 				    "%d/", inf[RPCBVERS_4_STAT].setinfo);
   1161 				break;
   1162 			case RPCBPROC_UNSET:
   1163 				(void)snprintf(fieldbuf, sizeof(fieldbuf),
   1164 				    "%d/", inf[RPCBVERS_4_STAT].unsetinfo);
   1165 				break;
   1166 			case RPCBPROC_GETADDR:
   1167 				cnt = 0;
   1168 				for (pa = inf[RPCBVERS_4_STAT].addrinfo; pa;
   1169 					pa = pa->next)
   1170 					cnt += pa->success;
   1171 				(void)snprintf(fieldbuf, sizeof(fieldbuf),
   1172 				    "%zu/", cnt);
   1173 				break;
   1174 			case RPCBPROC_CALLIT:
   1175 				cnt = 0;
   1176 				for (pr = inf[RPCBVERS_4_STAT].rmtinfo; pr;
   1177 				    pr = pr->next)
   1178 					cnt += pr->success;
   1179 				(void)snprintf(fieldbuf, sizeof(fieldbuf),
   1180 				    "%zu/", cnt);
   1181 				break;
   1182 			default: break;  /* For the remaining ones */
   1183 			}
   1184 			cp = &fieldbuf[0] + strlen(fieldbuf);
   1185 			/*
   1186 			 * XXX: We also add RPCBPROC_GETADDRLIST queries to
   1187 			 * RPCB_GETADDR because rpcbind includes the
   1188 			 * RPCB_GETADDRLIST successes in RPCB_GETADDR.
   1189 			 */
   1190 			if (i != RPCBPROC_GETADDR)
   1191 			    (void)snprintf(cp,
   1192 				sizeof(fieldbuf) - (cp - fieldbuf),
   1193 				"%d", inf[RPCBVERS_4_STAT].info[i]);
   1194 			else
   1195 			    (void)snprintf(cp,
   1196 				sizeof(fieldbuf) - (cp - fieldbuf),
   1197 				"%d", inf[RPCBVERS_4_STAT].info[i] +
   1198 				inf[RPCBVERS_4_STAT].
   1199 				info[RPCBPROC_GETADDRLIST]);
   1200 			flen = strlen(fieldbuf);
   1201 			(void)printf("%s%s", rpcb4hdr[i],
   1202 			    spaces((TABSTOP * (1 + flen / TABSTOP))
   1203 			    - strlen(rpcb4hdr[i])));
   1204 			(void)snprintf(lp, sizeof(linebuf) - (lp - linebuf),
   1205 			    "%s%s", fieldbuf,
   1206 			    spaces(cnt = ((TABSTOP * (1 + flen / TABSTOP))
   1207 			    - flen)));
   1208 			lp += (flen + cnt);
   1209 		}
   1210 		(void)printf("\n%s\n", linebuf);
   1211 	}
   1212 
   1213 	if (inf[RPCBVERS_4_STAT].info[RPCBPROC_CALLIT] ||
   1214 			    inf[RPCBVERS_4_STAT].info[RPCBPROC_INDIRECT]) {
   1215 		(void)printf("\n");
   1216 		(void)printf("RPCB_RMTCALL (version 4) call statistics\n");
   1217 		print_rmtcallstat(RPCBVERS_4_STAT, &inf[RPCBVERS_4_STAT]);
   1218 	}
   1219 
   1220 	if (inf[RPCBVERS_4_STAT].info[RPCBPROC_GETADDR]) {
   1221 		(void)printf("\n");
   1222 		(void)printf("RPCB_GETADDR (version 4) call statistics\n");
   1223 		print_getaddrstat(RPCBVERS_4_STAT, &inf[RPCBVERS_4_STAT]);
   1224 	}
   1225 	clnt_destroy(client);
   1226 }
   1227 
   1228 /*
   1229  * Delete registeration for this (prog, vers, netid)
   1230  */
   1231 static void
   1232 deletereg(const char *netid, int argc, char **argv)
   1233 {
   1234 	struct netconfig *nconf = NULL;
   1235 
   1236 	if (argc != 2)
   1237 		usage();
   1238 	if (netid) {
   1239 		nconf = getnetconfigent(netid);
   1240 		if (nconf == NULL)
   1241 			errx(1, "netid %s not supported", netid);
   1242 	}
   1243 	if ((rpcb_unset(getprognum(argv[0]), getvers(argv[1]), nconf)) == 0)
   1244 		errx(1, "Could not delete registration for prog %s version %s",
   1245 		    argv[0], argv[1]);
   1246 }
   1247 
   1248 /*
   1249  * Create and return a handle for the given nconf.
   1250  * Exit if cannot create handle.
   1251  */
   1252 static CLIENT *
   1253 clnt_addr_create(const char *address, const struct netconfig *nconf,
   1254     rpcprog_t prog, rpcvers_t vers)
   1255 {
   1256 	CLIENT *client;
   1257 	static struct netbuf *nbuf;
   1258 	static int fd = RPC_ANYFD;
   1259 
   1260 	if (fd == RPC_ANYFD) {
   1261 		if ((fd = __rpc_nconf2fd(nconf)) == -1) {
   1262 			rpc_createerr.cf_stat = RPC_TLIERROR;
   1263 			clnt_pcreateerror(getprogname());
   1264 			exit(1);
   1265 		}
   1266 		/* Convert the uaddr to taddr */
   1267 		nbuf = uaddr2taddr(nconf, address);
   1268 		if (nbuf == NULL)
   1269 			errx(1, "No address for client handle");
   1270 	}
   1271 	client = clnt_tli_create(fd, nconf, nbuf, prog, vers, 0, 0);
   1272 	if (client == NULL) {
   1273 		clnt_pcreateerror(getprogname());
   1274 		exit(1);
   1275 	}
   1276 	return client;
   1277 }
   1278 
   1279 /*
   1280  * If the version number is given, ping that (prog, vers); else try to find
   1281  * the version numbers supported for that prog and ping all the versions.
   1282  * Remote rpcbind is not contacted for this service. The requests are
   1283  * sent directly to the services themselves.
   1284  */
   1285 static void
   1286 addrping(const char *address, const char *netid, int argc, char **argv)
   1287 {
   1288 	CLIENT *client;
   1289 	struct timeval to;
   1290 	enum clnt_stat rpc_stat;
   1291 	rpcprog_t prognum, versnum, minvers, maxvers;
   1292 	struct rpc_err rpcerr;
   1293 	int failure = 0;
   1294 	struct netconfig *nconf;
   1295 	int fd;
   1296 
   1297 	if (argc < 1 || argc > 2 || (netid == NULL))
   1298 		usage();
   1299 	nconf = getnetconfigent(netid);
   1300 	if (nconf == NULL)
   1301 		errx(1, "Could not find %s", netid);
   1302 	to.tv_sec = 10;
   1303 	to.tv_usec = 0;
   1304 	prognum = getprognum(argv[0]);
   1305 	if (argc == 1) {	/* Version number not known */
   1306 		/*
   1307 		 * A call to version 0 should fail with a program/version
   1308 		 * mismatch, and give us the range of versions supported.
   1309 		 */
   1310 		versnum = MIN_VERS;
   1311 	} else {
   1312 		versnum = getvers(argv[1]);
   1313 	}
   1314 	client = clnt_addr_create(address, nconf, prognum, versnum);
   1315 	rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
   1316 	    NULL, (xdrproc_t)xdr_void, NULL, to);
   1317 	if (argc == 2) {
   1318 		/* Version number was known */
   1319 		if (pstatus(client, prognum, versnum) < 0)
   1320 			failure = 1;
   1321 		(void)CLNT_DESTROY(client);
   1322 		if (failure)
   1323 			exit(1);
   1324 		return;
   1325 	}
   1326 	/* Version number not known */
   1327 	(void)CLNT_CONTROL(client, CLSET_FD_NCLOSE, NULL);
   1328 	(void)CLNT_CONTROL(client, CLGET_FD, (char *)(void *)&fd);
   1329 	if (rpc_stat == RPC_PROGVERSMISMATCH) {
   1330 		clnt_geterr(client, &rpcerr);
   1331 		minvers = rpcerr.re_vers.low;
   1332 		maxvers = rpcerr.re_vers.high;
   1333 	} else if (rpc_stat == RPC_SUCCESS) {
   1334 		/*
   1335 		 * Oh dear, it DOES support version 0.
   1336 		 * Let's try version MAX_VERS.
   1337 		 */
   1338 		(void)CLNT_DESTROY(client);
   1339 		client = clnt_addr_create(address, nconf, prognum, MAX_VERS);
   1340 		rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
   1341 		    NULL, (xdrproc_t)xdr_void, NULL, to);
   1342 		if (rpc_stat == RPC_PROGVERSMISMATCH) {
   1343 			clnt_geterr(client, &rpcerr);
   1344 			minvers = rpcerr.re_vers.low;
   1345 			maxvers = rpcerr.re_vers.high;
   1346 		} else if (rpc_stat == RPC_SUCCESS) {
   1347 			/*
   1348 			 * It also supports version MAX_VERS.
   1349 			 * Looks like we have a wise guy.
   1350 			 * OK, we give them information on all
   1351 			 * 4 billion versions they support...
   1352 			 */
   1353 			minvers = 0;
   1354 			maxvers = MAX_VERS;
   1355 		} else {
   1356 			(void)pstatus(client, prognum, MAX_VERS);
   1357 			exit(1);
   1358 		}
   1359 	} else {
   1360 		(void)pstatus(client, prognum, MIN_VERS);
   1361 		exit(1);
   1362 	}
   1363 	(void)CLNT_DESTROY(client);
   1364 	for (versnum = minvers; versnum <= maxvers; versnum++) {
   1365 		client = clnt_addr_create(address, nconf, prognum, versnum);
   1366 		rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
   1367 		    NULL, (xdrproc_t)xdr_void, NULL, to);
   1368 		if (pstatus(client, prognum, versnum) < 0)
   1369 			failure = 1;
   1370 		(void)CLNT_DESTROY(client);
   1371 	}
   1372 	(void)close(fd);
   1373 	if (failure)
   1374 		exit(1);
   1375 	return;
   1376 }
   1377 
   1378 /*
   1379  * If the version number is given, ping that (prog, vers); else try to find
   1380  * the version numbers supported for that prog and ping all the versions.
   1381  * Remote rpcbind is *contacted* for this service. The requests are
   1382  * then sent directly to the services themselves.
   1383  */
   1384 static void
   1385 progping(const char *netid, int argc, char **argv)
   1386 {
   1387 	CLIENT *client;
   1388 	struct timeval to;
   1389 	enum clnt_stat rpc_stat;
   1390 	rpcprog_t prognum;
   1391 	rpcvers_t versnum, minvers, maxvers;
   1392 	struct rpc_err rpcerr;
   1393 	int failure = 0;
   1394 	struct netconfig *nconf;
   1395 
   1396 	if (argc < 2 || argc > 3 || (netid == NULL))
   1397 		usage();
   1398 	prognum = getprognum(argv[1]);
   1399 	if (argc == 2) { /* Version number not known */
   1400 		/*
   1401 		 * A call to version 0 should fail with a program/version
   1402 		 * mismatch, and give us the range of versions supported.
   1403 		 */
   1404 		versnum = MIN_VERS;
   1405 	} else {
   1406 		versnum = getvers(argv[2]);
   1407 	}
   1408 	if (netid) {
   1409 		nconf = getnetconfigent(netid);
   1410 		if (nconf == NULL)
   1411 			errx(1, "Could not find `%s'", netid);
   1412 		client = clnt_tp_create(argv[0], prognum, versnum, nconf);
   1413 	} else {
   1414 		client = clnt_create(argv[0], prognum, versnum, "NETPATH");
   1415 	}
   1416 	if (client == NULL) {
   1417 		clnt_pcreateerror(getprogname());
   1418 		exit(1);
   1419 	}
   1420 	to.tv_sec = 10;
   1421 	to.tv_usec = 0;
   1422 	rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
   1423 	    NULL, (xdrproc_t)xdr_void, NULL, to);
   1424 	if (argc == 3) {
   1425 		/* Version number was known */
   1426 		if (pstatus(client, prognum, versnum) < 0)
   1427 			failure = 1;
   1428 		(void)CLNT_DESTROY(client);
   1429 		if (failure)
   1430 			exit(1);
   1431 		return;
   1432 	}
   1433 	/* Version number not known */
   1434 	if (rpc_stat == RPC_PROGVERSMISMATCH) {
   1435 		clnt_geterr(client, &rpcerr);
   1436 		minvers = rpcerr.re_vers.low;
   1437 		maxvers = rpcerr.re_vers.high;
   1438 	} else if (rpc_stat == RPC_SUCCESS) {
   1439 		/*
   1440 		 * Oh dear, it DOES support version 0.
   1441 		 * Let's try version MAX_VERS.
   1442 		 */
   1443 		versnum = MAX_VERS;
   1444 		(void)CLNT_CONTROL(client, CLSET_VERS,
   1445 		    (char *)(void *)&versnum);
   1446 		rpc_stat = CLNT_CALL(client, NULLPROC,
   1447 		    (xdrproc_t)xdr_void, NULL, (xdrproc_t)xdr_void, NULL, to);
   1448 		if (rpc_stat == RPC_PROGVERSMISMATCH) {
   1449 			clnt_geterr(client, &rpcerr);
   1450 			minvers = rpcerr.re_vers.low;
   1451 			maxvers = rpcerr.re_vers.high;
   1452 		} else if (rpc_stat == RPC_SUCCESS) {
   1453 			/*
   1454 			 * It also supports version MAX_VERS.
   1455 			 * Looks like we have a wise guy.
   1456 			 * OK, we give them information on all
   1457 			 * 4 billion versions they support...
   1458 			 */
   1459 			minvers = 0;
   1460 			maxvers = MAX_VERS;
   1461 		} else {
   1462 			(void)pstatus(client, prognum, MAX_VERS);
   1463 			exit(1);
   1464 		}
   1465 	} else {
   1466 		(void)pstatus(client, prognum, MIN_VERS);
   1467 		exit(1);
   1468 	}
   1469 	for (versnum = minvers; versnum <= maxvers; versnum++) {
   1470 		(void)CLNT_CONTROL(client, CLSET_VERS,
   1471 		    (char *)(void *)&versnum);
   1472 		rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
   1473 		    NULL, (xdrproc_t)xdr_void, NULL, to);
   1474 		if (pstatus(client, prognum, versnum) < 0)
   1475 			failure = 1;
   1476 	}
   1477 	(void)CLNT_DESTROY(client);
   1478 	if (failure)
   1479 		exit(1);
   1480 	return;
   1481 }
   1482 
   1483 static void
   1484 usage(void)
   1485 {
   1486 	(void)fprintf(stderr, "Usage: %s [-m | -s] [host]\n", getprogname());
   1487 #ifdef PORTMAP
   1488 	(void)fprintf(stderr, "\t%s -p [host]\n", getprogname());
   1489 #endif
   1490 	(void)fprintf(stderr, "\t%s -T netid host prognum [versnum]\n",
   1491 	    getprogname());
   1492 	(void)fprintf(stderr, "\t%s -l host prognum versnum\n", getprogname());
   1493 #ifdef PORTMAP
   1494 	(void)fprintf(stderr,
   1495 	    "\t%s [-n portnum] -u | -t host prognum [versnum]\n",
   1496 	    getprogname());
   1497 #endif
   1498 	(void)fprintf(stderr,
   1499 	    "\t%s -a serv_address -T netid prognum [version]\n",
   1500 	    getprogname());
   1501 	(void)fprintf(stderr, "\t%s -b prognum versnum\n", getprogname());
   1502 	(void)fprintf(stderr, "\t%s -d [-T netid] prognum versnum\n",
   1503 	    getprogname());
   1504 	exit(0);
   1505 }
   1506 
   1507 static rpcprog_t
   1508 getprognum(const char *arg)
   1509 {
   1510 	char *strptr;
   1511 	struct rpcent *rpc;
   1512 	u_long prognum;
   1513 	const char *tptr = arg;
   1514 
   1515 	while (*tptr && isdigit((unsigned char)*tptr++))
   1516 		continue;
   1517 	if (*tptr || isalpha((unsigned char)*(tptr - 1))) {
   1518 		rpc = getrpcbyname(arg);
   1519 		if (rpc == NULL)
   1520 			errx(1, "Unknown service `%s'", arg);
   1521 		prognum = rpc->r_number;
   1522 	} else {
   1523 		errno = 0;
   1524 		prognum = strtoul(arg, &strptr, 0);
   1525 		if (strptr == arg || *strptr != '\0' ||
   1526 		    (prognum == ULONG_MAX && errno == ERANGE))
   1527 			errx(1, "Illegal program number `%s'", arg);
   1528 	}
   1529 	return (rpcprog_t)prognum;
   1530 }
   1531 
   1532 static rpcvers_t
   1533 getvers(const char *arg)
   1534 {
   1535 	char *strptr;
   1536 	u_long vers;
   1537 
   1538 	vers = strtoul(arg, &strptr, 0);
   1539 	if (strptr == arg || *strptr != '\0' ||
   1540 	    (vers == ULONG_MAX && errno == ERANGE))
   1541 		errx(1, "Illegal version number `%s'", arg);
   1542 	return (rpcvers_t)vers;
   1543 }
   1544 
   1545 static in_port_t
   1546 getport(const struct netbuf *nb)
   1547 {
   1548 	const struct sockaddr *sa = nb->buf;
   1549 	switch (sa->sa_family) {
   1550 	case AF_INET:
   1551 		return ((const struct sockaddr_in *)nb->buf)->sin_port;
   1552 	case AF_INET6:
   1553 		return ((const struct sockaddr_in6 *)nb->buf)->sin6_port;
   1554 	default:
   1555 		return -1;
   1556 	}
   1557 }
   1558 
   1559 /*
   1560  * This routine should take a pointer to an "rpc_err" structure, rather than
   1561  * a pointer to a CLIENT structure, but "clnt_sperror" takes a pointer to
   1562  * a CLIENT structure rather than a pointer to an "rpc_err" structure.
   1563  * As such, we have to keep the CLIENT structure around in order to print
   1564  * a good error message.
   1565  */
   1566 static int
   1567 pstatus(CLIENT *client, rpcprog_t prog, rpcvers_t vers)
   1568 {
   1569 	struct rpc_err rpcerr;
   1570 
   1571 	clnt_geterr(client, &rpcerr);
   1572 	if (rpcerr.re_status != RPC_SUCCESS) {
   1573 		warnx("Program %lu version %lu is not available (%s)",
   1574 		    (unsigned long)prog, (unsigned long)vers,
   1575 		    clnt_sperror(client, "") + 2);
   1576 		return -1;
   1577 	} else {
   1578 		in_port_t portnum;
   1579 		struct netbuf nb;
   1580 		CLNT_CONTROL(client, CLGET_SVC_ADDR, (char *)&nb);
   1581 		portnum = ntohs(getport(&nb));
   1582 		(void)printf("program %lu version %lu ready and waiting"
   1583 		    " at port %u\n", (unsigned long)prog, (unsigned long)vers,
   1584 		    portnum);
   1585 		return 0;
   1586 	}
   1587 }
   1588 
   1589 static CLIENT *
   1590 clnt_rpcbind_create(const char *host, rpcvers_t rpcbversnum,
   1591     struct netbuf **targaddr)
   1592 {
   1593 	static const char *tlist[] = {
   1594 		"circuit_n", "circuit_v", "datagram_v"
   1595 	};
   1596 	size_t i;
   1597 	struct netconfig *nconf;
   1598 	CLIENT *clnt = NULL;
   1599 	void *handle;
   1600 
   1601 	rpc_createerr.cf_stat = RPC_SUCCESS;
   1602 	for (i = 0; i < __arraycount(tlist); i++) {
   1603 		if ((handle = __rpc_setconf(tlist[i])) == NULL)
   1604 			continue;
   1605 		while (clnt == NULL) {
   1606 			if ((nconf = __rpc_getconf(handle)) == NULL) {
   1607 				if (rpc_createerr.cf_stat == RPC_SUCCESS)
   1608 				    rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
   1609 				break;
   1610 			}
   1611 			clnt = getclnthandle(host, nconf, rpcbversnum,
   1612 			    targaddr);
   1613 		}
   1614 		__rpc_endconf(handle);
   1615 		if (clnt)
   1616 			return clnt;
   1617 	}
   1618 	return NULL;
   1619 }
   1620 
   1621 static CLIENT*
   1622 getclnthandle(const char *host, const struct netconfig *nconf,
   1623     rpcvers_t rpcbversnum, struct netbuf **targaddr)
   1624 {
   1625 	struct netbuf addr;
   1626 	struct addrinfo hints, *res;
   1627 	CLIENT *client = NULL;
   1628 
   1629 	/* Get the address of the rpcbind */
   1630 	(void)memset(&hints, 0, sizeof hints);
   1631 	if (getaddrinfo(host, "sunrpc", &hints, &res) != 0) {
   1632 		rpc_createerr.cf_stat = RPC_N2AXLATEFAILURE;
   1633 		return NULL;
   1634 	}
   1635 	addr.len = addr.maxlen = res->ai_addrlen;
   1636 	addr.buf = res->ai_addr;
   1637 	client = clnt_tli_create(RPC_ANYFD, nconf, &addr, RPCBPROG,
   1638 	    rpcbversnum, 0, 0);
   1639 	if (client) {
   1640 		if (targaddr != NULL) {
   1641 			*targaddr = malloc(sizeof(**targaddr));
   1642 			if (*targaddr != NULL) {
   1643 				(*targaddr)->maxlen = addr.maxlen;
   1644 				(*targaddr)->len = addr.len;
   1645 				(*targaddr)->buf = malloc(addr.len);
   1646 				if ((*targaddr)->buf != NULL) {
   1647 					(void)memcpy((*targaddr)->buf, addr.buf,
   1648 					    addr.len);
   1649 				}
   1650 			}
   1651 		}
   1652 	} else {
   1653 		if (rpc_createerr.cf_stat == RPC_TLIERROR) {
   1654 			/*
   1655 			 * Assume that the other system is dead; this is a
   1656 			 * better error to display to the user.
   1657 			 */
   1658 			rpc_createerr.cf_stat = RPC_RPCBFAILURE;
   1659 			rpc_createerr.cf_error.re_status = RPC_FAILED;
   1660 		}
   1661 	}
   1662 	freeaddrinfo(res);
   1663 	return client;
   1664 }
   1665 
   1666 static void
   1667 print_rmtcallstat(int rtype, const rpcb_stat *infp)
   1668 {
   1669 	rpcbs_rmtcalllist_ptr pr;
   1670 	const struct rpcent *rpc;
   1671 
   1672 	if (rtype == RPCBVERS_4_STAT)
   1673 		(void)printf(
   1674 		    "prog\t\tvers\tproc\tnetid\tindirect success failure\n");
   1675 	else
   1676 		(void)printf("prog\t\tvers\tproc\tnetid\tsuccess\tfailure\n");
   1677 	for (pr = infp->rmtinfo; pr; pr = pr->next) {
   1678 		rpc = getrpcbynumber((int)pr->prog);
   1679 		if (rpc)
   1680 			(void)printf("%-16s", rpc->r_name);
   1681 		else
   1682 			(void)printf("%-16d", pr->prog);
   1683 		(void)printf("%d\t%d\t%s\t",
   1684 			pr->vers, pr->proc, pr->netid);
   1685 		if (rtype == RPCBVERS_4_STAT)
   1686 			(void)printf("%d\t ", pr->indirect);
   1687 		(void)printf("%d\t%d\n", pr->success, pr->failure);
   1688 	}
   1689 }
   1690 
   1691 static void
   1692 /*ARGSUSED*/
   1693 print_getaddrstat(int rtype, const rpcb_stat *infp)
   1694 {
   1695 	rpcbs_addrlist_ptr al;
   1696 	const struct rpcent *rpc;
   1697 
   1698 	(void)printf("prog\t\tvers\tnetid\t  success\tfailure\n");
   1699 	for (al = infp->addrinfo; al; al = al->next) {
   1700 		rpc = getrpcbynumber((int)al->prog);
   1701 		if (rpc)
   1702 			(void)printf("%-16s", rpc->r_name);
   1703 		else
   1704 			(void)printf("%-16d", al->prog);
   1705 		(void)printf("%d\t%s\t  %-12d\t%d\n", al->vers, al->netid,
   1706 		    al->success, al->failure);
   1707 	}
   1708 }
   1709 
   1710 static const char *
   1711 spaces(size_t howmany)
   1712 {
   1713 	static const char space_array[] =	/* 64 spaces */
   1714 	"                                                                ";
   1715 
   1716 	if (howmany >= sizeof(space_array)) {
   1717 		return ("");
   1718 	}
   1719 	return &space_array[sizeof(space_array) - howmany - 1];
   1720 }
   1721