xref: /src/usr.bin/rpcinfo/rpcinfo.c

/*	$NetBSD: rpcinfo.c,v 1.33 2011/05/24 12:42:25 joerg Exp $	*/

/*
 * 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
 */

/*
 * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc.
 */

/* #ident	"@(#)rpcinfo.c	1.18	93/07/05 SMI" */

#if 0
#ifndef lint
static char sccsid[] = "@(#)rpcinfo.c 1.16 89/04/05 Copyr 1986 Sun Micro";
#endif
#endif

/*
 * rpcinfo: ping a particular rpc program
 * 	or dump the registered programs on the remote machine.
 */

/*
 * We are for now defining PORTMAP here.  It doesnt even compile
 * unless it is defined.
 */
#ifndef	PORTMAP
#define	PORTMAP
#endif

/*
 * If PORTMAP is defined, rpcinfo will talk to both portmapper and
 * rpcbind programs; else it talks only to rpcbind. In the latter case
 * all the portmapper specific options such as -u, -t, -p become void.
 */
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/param.h>
#include <sys/un.h>
#include <rpc/rpc.h>
#include <stdio.h>
#include <rpc/rpcb_prot.h>
#include <rpc/rpcent.h>
#include <rpc/nettype.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <err.h>
#include <ctype.h>
#include <errno.h>

#ifdef PORTMAP		/* Support for version 2 portmapper */
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <rpc/pmap_prot.h>
#include <rpc/pmap_clnt.h>
#endif

#define	MIN_VERS	((rpcvers_t)0)
#define	MAX_VERS	((rpcvers_t)4294967295UL)
#define PMAP_PROG	((rpcprog_t)PMAPPROG)
#define PMAP_VERS	((rpcvers_t)PMAPVERS)
#define RPCB_VERS	((rpcvers_t)RPCBVERS)
#define RPCB_VERS4	((rpcvers_t)RPCB_VERS)
#define UL(a)		((unsigned long)a)
static char unknown[] = "unknown";

/*
 * 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	BROADCAST	4	/* ping broadcast service */
#define	DELETES		5	/* delete registration for the service */
#define	ADDRPING	6	/* pings at the given address */
#define	PROGPING	7	/* pings a program on a given host */
#define	RPCBDUMP	8	/* dump rpcbind registrations */
#define	RPCBDUMP_SHORT	9	/* dump rpcbind registrations - short version */
#define	RPCBADDRLIST	10	/* dump addr list about one prog */
#define	RPCBGETSTAT	11	/* Get statistics */

struct netidlist {
	char *netid;
	struct netidlist *next;
};

struct verslist {
	rpcvers_t vers;
	struct verslist *next;
};

struct rpcbdump_short {
	rpcprog_t prog;
	struct verslist *vlist;
	struct netidlist *nlist;
	struct rpcbdump_short *next;
	char *owner;
};



#ifdef PORTMAP
static void	ip_ping(u_short, const char *, int, char **);
static CLIENT	*clnt_com_create(struct sockaddr_in *, rpcprog_t, rpcvers_t,
    int *, const char *);
static void	pmapdump(int, char **);
static void	get_inet_address(struct sockaddr_in *, const char *);
#endif

static bool_t	reply_proc(void *, struct netbuf *, struct netconfig *);
static void	brdcst(int, char **);
static void	addrping(const char *, const char *, int, char **);
static void	progping(const char *, int, char **);
static CLIENT	*clnt_addr_create(const char *, const struct netconfig *,
    rpcprog_t, rpcvers_t);
static CLIENT   *clnt_rpcbind_create(const char *, rpcvers_t, struct netbuf **);
static CLIENT   *getclnthandle(const char *, const struct netconfig *,
    rpcvers_t, struct netbuf **);
static CLIENT	*local_rpcb(rpcprog_t, rpcvers_t);
static int	pstatus(CLIENT *, rpcprog_t, rpcvers_t);
static void	rpcbdump(int, const char *, int, char **);
static void	rpcbgetstat(int, char **);
static void	rpcbaddrlist(const char *, int, char **);
static void	deletereg(const char *, int, char **);
static void	print_rmtcallstat(int, const rpcb_stat *);
static void	print_getaddrstat(int, const rpcb_stat *);
static void	usage(void) __dead;
static rpcprog_t	getprognum(const char *);
static rpcvers_t	getvers(const char *);
static const char *spaces(size_t);
static bool_t	add_version(struct rpcbdump_short *, rpcvers_t);
static bool_t	add_netid(struct rpcbdump_short *, char *);

int
main(int argc, char **argv)
{
	int c;
	int errflg;
	int function;
	char *netid = NULL;
	char *address = NULL;
#ifdef PORTMAP
	char *strptr;
	u_short portnum = 0;
#endif

	function = NONE;
	errflg = 0;
#ifdef PORTMAP
	while ((c = getopt(argc, argv, "a:bdlmn:pstT:u")) != -1) {
#else
	while ((c = getopt(argc, argv, "a:bdlmn:sT:")) != -1) {
#endif
		switch (c) {
#ifdef PORTMAP
		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 'n':
			portnum = (u_short) strtol(optarg, &strptr, 10);
			if (strptr == optarg || *strptr != '\0')
				errx(1, "Illegal port number `%s'", optarg);
			break;
#endif
		case 'a':
			address = optarg;
			if (function != NONE)
				errflg = 1;
			else
				function = ADDRPING;
			break;
		case 'b':
			if (function != NONE)
				errflg = 1;
			else
				function = BROADCAST;
			break;

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

		case 'l':
			if (function != NONE)
				errflg = 1;
			else
				function = RPCBADDRLIST;
			break;

		case 'm':
			if (function != NONE)
				errflg = 1;
			else
				function = RPCBGETSTAT;
			break;

		case 's':
			if (function != NONE)
				errflg = 1;
			else
				function = RPCBDUMP_SHORT;
			break;

		case 'T':
			netid = optarg;
			break;
		case '?':
			errflg = 1;
			break;
		}
	}

	if (errflg || ((function == ADDRPING) && !netid))
		usage();

	if (function == NONE) {
		if (argc - optind > 1)
			function = PROGPING;
		else
			function = RPCBDUMP;
	}

	switch (function) {
#ifdef PORTMAP
	case PMAPDUMP:
		if (portnum != 0)
			usage();
		pmapdump(argc - optind, argv + optind);
		break;

	case UDPPING:
		ip_ping(portnum, "udp", argc - optind, argv + optind);
		break;

	case TCPPING:
		ip_ping(portnum, "tcp", argc - optind, argv + optind);
		break;
#endif
	case BROADCAST:
		brdcst(argc - optind, argv + optind);
		break;
	case DELETES:
		deletereg(netid, argc - optind, argv + optind);
		break;
	case ADDRPING:
		addrping(address, netid, argc - optind, argv + optind);
		break;
	case PROGPING:
		progping(netid, argc - optind, argv + optind);
		break;
	case RPCBDUMP:
	case RPCBDUMP_SHORT:
		rpcbdump(function, netid, argc - optind, argv + optind);
		break;
	case RPCBGETSTAT:
		rpcbgetstat(argc - optind, argv + optind);
		break;
	case RPCBADDRLIST:
		rpcbaddrlist(netid, argc - optind, argv + optind);
		break;
	}
	return (0);
}

static CLIENT *
local_rpcb(rpcprog_t prog, rpcvers_t vers)
{
	struct netbuf nbuf;
	struct sockaddr_un sun;
	int sock;

	(void)memset(&sun, 0, sizeof sun);
	sock = socket(AF_LOCAL, SOCK_STREAM, 0);
	if (sock < 0)
		return NULL;

	sun.sun_family = AF_LOCAL;
	(void)strlcpy(sun.sun_path, _PATH_RPCBINDSOCK, sizeof(sun.sun_path));
	nbuf.len = sun.sun_len = SUN_LEN(&sun);
	nbuf.maxlen = sizeof (struct sockaddr_un);
	nbuf.buf = &sun;

	return clnt_vc_create(sock, &nbuf, prog, vers, 0, 0);
}

#ifdef PORTMAP
static CLIENT *
clnt_com_create(struct sockaddr_in *addr, rpcprog_t prog, rpcvers_t vers,
    int *fdp, const char *trans)
{
	CLIENT *clnt;

	if (strcmp(trans, "tcp") == 0) {
		clnt = clnttcp_create(addr, UL(prog), UL(vers), fdp, 0, 0);
	} else {
		struct timeval to;

		to.tv_sec = 5;
		to.tv_usec = 0;
		clnt = clntudp_create(addr, UL(prog), UL(vers), to, fdp);
	}
	if (clnt == NULL) {
		char *m = clnt_spcreateerror("") + 2;
		if (vers == MIN_VERS)
			errx(1, "Program %lu is not available (%s)",
			    (unsigned long)prog, m);
		else
			errx(1, "Program %lu version %lu is not available (%s)",
			    (unsigned long)prog, (unsigned long)vers, m);
	}
	return clnt;
}

/*
 * If portnum is 0, then go and get the address from portmapper, which happens
 * transparently through clnt*_create(); If version number is not given, it
 * tries to find out the version number by making a call to version 0 and if
 * that fails, it obtains the high order and the low order version number. If
 * version 0 calls succeeds, it tries for MAXVERS call and repeats the same.
 */
static void
ip_ping(u_short portnum, const char *trans, int argc, char **argv)
{
	CLIENT *client;
	int fd = RPC_ANYFD;
	struct timeval to;
	struct sockaddr_in addr;
	enum clnt_stat rpc_stat;
	rpcprog_t prognum, vers, minvers, maxvers;
	struct rpc_err rpcerr;
	int failure = 0;

	if (argc < 2 || argc > 3)
		usage();
	to.tv_sec = 10;
	to.tv_usec = 0;
	prognum = getprognum(argv[1]);
	get_inet_address(&addr, argv[0]);
	if (argc == 2) {	/* Version number not known */
		/*
		 * A call to version 0 should fail with a program/version
		 * mismatch, and give us the range of versions supported.
		 */
		vers = MIN_VERS;
	} else {
		vers = getvers(argv[2]);
	}
	addr.sin_port = htons(portnum);
	client = clnt_com_create(&addr, prognum, vers, &fd, trans);
	rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
	    NULL, (xdrproc_t)xdr_void, NULL, to);
	if (argc != 2) {
		/* Version number was known */
		if (pstatus(client, prognum, vers) < 0)
			exit(1);
		(void)CLNT_DESTROY(client);
		return;
	}
	/* Version number not known */
	(void)CLNT_CONTROL(client, CLSET_FD_NCLOSE, NULL);
	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.
		 */
		(void)CLNT_DESTROY(client);
		addr.sin_port = htons(portnum);
		client = clnt_com_create(&addr, (unsigned int)prognum,
		    MAX_VERS, &fd, trans);
		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);
	}
	(void)CLNT_DESTROY(client);
	for (vers = minvers; vers <= maxvers; vers++) {
		addr.sin_port = htons(portnum);
		client = clnt_com_create(&addr, prognum, vers, &fd, trans);
		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;
		(void)CLNT_DESTROY(client);
	}
	if (failure)
		exit(1);
	(void)close(fd);
	return;
}

/*
 * Dump all the portmapper registerations
 */
static void
pmapdump(int argc, char **argv)
{
	struct sockaddr_in server_addr;
	struct pmaplist *head = NULL;
	int sock = RPC_ANYSOCK;
	struct timeval minutetimeout;
	CLIENT *client;
	struct rpcent *rpc;
	enum clnt_stat clnt_st;
	struct rpc_err error;
	char *host = NULL;

	if (argc > 1)
		usage();
	if (argc == 1) {
		host = argv[0];
		get_inet_address(&server_addr, host);
		server_addr.sin_port = htons(PMAPPORT);
		client = clnttcp_create(&server_addr, PMAPPROG, PMAPVERS,
		    &sock, 50, 500);
	} else
		client = local_rpcb(PMAP_PROG, PMAP_VERS);

	if (client == NULL) {
		if (rpc_createerr.cf_stat == RPC_TLIERROR) {
			/*
			 * "Misc. TLI error" is not too helpful. Most likely
			 * the connection to the remote server timed out, so
			 * this error is at least less perplexing.
			 */
			rpc_createerr.cf_stat = RPC_PMAPFAILURE;
			rpc_createerr.cf_error.re_status = RPC_FAILED;
		}
		errx(1, "Can't contact portmapper (%s)",
		    clnt_spcreateerror("") + 2);
	}

	minutetimeout.tv_sec = 60;
	minutetimeout.tv_usec = 0;

	clnt_st = CLNT_CALL(client, (unsigned int)PMAPPROC_DUMP,
	    (xdrproc_t)xdr_void, NULL, (xdrproc_t)xdr_pmaplist_ptr,
	    (char *)(void *)&head, minutetimeout);
	if (clnt_st != RPC_SUCCESS) {
		if ((clnt_st == RPC_PROGVERSMISMATCH) ||
		    (clnt_st == RPC_PROGUNAVAIL)) {
			CLNT_GETERR(client, &error);
			if (error.re_vers.low > PMAPVERS) {
				if (host)
					warnx(
	"%s does not support portmapper. Try 'rpcinfo %s' instead",
					    host, host);
				else
					warnx(
	"local host does not support portmapper.  Try 'rpcinfo' instead\n");
			}
			exit(1);
		}
		errx(1, "Can't contact portmapper (%s)",
		    clnt_sperror(client, "") + 2);
		exit(1);
	}
	if (head == NULL) {
		(void)printf("No remote programs registered.\n");
	} else {
		(void)printf("   program vers proto   port  service\n");
		for (; head != NULL; head = head->pml_next) {
			(void)printf("%10ld%5ld",
				head->pml_map.pm_prog,
				head->pml_map.pm_vers);
			if (head->pml_map.pm_prot == IPPROTO_UDP)
				(void)printf("%6s", "udp");
			else if (head->pml_map.pm_prot == IPPROTO_TCP)
				(void)printf("%6s", "tcp");
			else
				(void)printf("%6ld", head->pml_map.pm_prot);
			(void)printf("%7ld", head->pml_map.pm_port);
			rpc = getrpcbynumber((int)head->pml_map.pm_prog);
			if (rpc)
				(void)printf("  %s\n", rpc->r_name);
			else
				(void)printf("\n");
		}
	}
}

static void
get_inet_address(struct sockaddr_in *addr, const char *host)
{
	struct netconfig *nconf;
	struct addrinfo hints, *res;
	int error;

	(void)memset(addr, 0, sizeof (*addr));
	addr->sin_addr.s_addr = inet_addr(host);
	if (addr->sin_addr.s_addr == (in_addr_t)-1 ||
	    addr->sin_addr.s_addr == 0) {
		if ((nconf = __rpc_getconfip("udp")) == NULL &&
		    (nconf = __rpc_getconfip("tcp")) == NULL) {
			errx(1, "Couldn't find a suitable transport");
		} else {
			(void)memset(&hints, 0, sizeof hints);
			hints.ai_family = AF_INET;
			if ((error = getaddrinfo(host, "rpcbind", &hints, &res))
			    != 0) {
				errx(1, "%s: %s", host, gai_strerror(error));
			} else {
				(void)memcpy(addr, res->ai_addr,
				    res->ai_addrlen);
				freeaddrinfo(res);
			}
			(void)freenetconfigent(nconf);
		}
	} else {
		addr->sin_family = AF_INET;
	}
}
#endif /* PORTMAP */

/*
 * 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(
	void *res,		/* Nothing comes back */
	struct netbuf *who,	/* Who sent us the reply */
	struct netconfig *nconf /* On which transport the reply came */
)
{
	const char *uaddr;
	char *uf;
	char hostbuf[NI_MAXHOST];
	const char *hostname;
	struct sockaddr *sa = (struct sockaddr *)who->buf;

	if (getnameinfo(sa, (socklen_t)sa->sa_len, hostbuf, NI_MAXHOST, NULL,
	    0, 0)) {
		hostname = unknown;
	} else {
		hostname = hostbuf;
	}
	if (!(uaddr = uf = taddr2uaddr(nconf, who))) {
		uaddr = unknown;
	}
	(void)printf("%s\t%s\n", uaddr, hostname);
	if (uf)
		free(uf);
	return FALSE;
}

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

	if (argc != 2)
		usage();
	prognum = getprognum(argv[0]);
	vers = getvers(argv[1]);
	rpc_stat = rpc_broadcast(prognum, vers, NULLPROC,
	    (xdrproc_t)xdr_void, NULL, (xdrproc_t)xdr_void,
	    NULL, (resultproc_t) reply_proc, NULL);
	if ((rpc_stat != RPC_SUCCESS) && (rpc_stat != RPC_TIMEDOUT))
		errx(1, "broadcast failed: %s", clnt_sperrno(rpc_stat));
	exit(0);
}

static bool_t
add_version(struct rpcbdump_short *rs, rpcvers_t vers)
{
	struct verslist *vl;

	for (vl = rs->vlist; vl; vl = vl->next)
		if (vl->vers == vers)
			break;
	if (vl)
		return TRUE;
	vl = malloc(sizeof (struct verslist));
	if (vl == NULL)
		return FALSE;
	vl->vers = vers;
	vl->next = rs->vlist;
	rs->vlist = vl;
	return TRUE;
}

static bool_t
add_netid(struct rpcbdump_short *rs, char *netid)
{
	struct netidlist *nl;

	for (nl = rs->nlist; nl; nl = nl->next)
		if (strcmp(nl->netid, netid) == 0)
			break;
	if (nl)
		return TRUE;
	nl = malloc(sizeof(*nl));
	if (nl == NULL)
		return FALSE;
	nl->netid = netid;
	nl->next = rs->nlist;
	rs->nlist = nl;
	return TRUE;
}

static void
rpcbdump(int dumptype, const char *netid, int argc, char **argv)
{
	rpcblist_ptr head = NULL, p;
	struct timeval minutetimeout;
	CLIENT *client = NULL;
	struct rpcent *rpc;
	char *host;
	struct netidlist *nl;
	struct verslist *vl;
	struct rpcbdump_short *rs, *rs_tail = NULL;
	char buf[256];
	enum clnt_stat clnt_st;
	struct rpc_err error;
	struct rpcbdump_short *rs_head = NULL;

	if (argc > 1)
		usage();
	if (argc == 1) {
		host = argv[0];
		if (netid == NULL) {
			client = clnt_rpcbind_create(host, RPCBVERS, NULL);
		} else {
			struct netconfig *nconf;

			nconf = getnetconfigent(netid);
			if (nconf == NULL)
				errx(1, "Invalid transport (%s)",
				    nc_sperror());
			client = getclnthandle(host, nconf, RPCBVERS, NULL);
			if (nconf)
				(void)freenetconfigent(nconf);
		}
	} else
		client = local_rpcb(PMAP_PROG, RPCB_VERS);

	if (client == NULL)
		errx(1, "Can't contact rpcbind (%s)",
		    clnt_spcreateerror(""));
	minutetimeout.tv_sec = 60;
	minutetimeout.tv_usec = 0;
	clnt_st = CLNT_CALL(client, RPCBPROC_DUMP, (xdrproc_t)xdr_void,
		NULL, (xdrproc_t)xdr_rpcblist_ptr, (char *)(void *)&head,
		minutetimeout);
	if (clnt_st != RPC_SUCCESS) {
	    if ((clnt_st == RPC_PROGVERSMISMATCH) ||
		(clnt_st == RPC_PROGUNAVAIL)) {
		int vers;

		CLNT_GETERR(client, &error);
		if (error.re_vers.low == RPCBVERS4) {
		    vers = RPCBVERS4;
		    clnt_control(client, CLSET_VERS, (char *)(void *)&vers);
		    clnt_st = CLNT_CALL(client, RPCBPROC_DUMP,
			(xdrproc_t)xdr_void, NULL,
			(xdrproc_t)xdr_rpcblist_ptr, (char *)(void *)&head,
			minutetimeout);
		    if (clnt_st != RPC_SUCCESS)
			goto failed;
		} else {
		    if (error.re_vers.high == PMAPVERS) {
			int high, low;
			struct pmaplist *pmaphead = NULL;
			rpcblist_ptr list, prev = NULL;

			vers = PMAPVERS;
			clnt_control(client, CLSET_VERS, (char *)(void *)&vers);
			clnt_st = CLNT_CALL(client, (unsigned int)PMAPPROC_DUMP,
				(xdrproc_t)xdr_void, NULL,
				(xdrproc_t)xdr_pmaplist_ptr,
				(char *)(void *)&pmaphead, minutetimeout);
			if (clnt_st != RPC_SUCCESS)
				goto failed;
			/*
			 * convert to rpcblist_ptr format
			 */
			for (head = NULL; pmaphead != NULL;
				pmaphead = pmaphead->pml_next) {
			    list = malloc(sizeof (rpcblist));
			    if (list == NULL)
				goto error;
			    if (head == NULL)
				head = list;
			    else
				prev->rpcb_next = (rpcblist_ptr) list;

			    list->rpcb_next = NULL;
			    list->rpcb_map.r_prog = pmaphead->pml_map.pm_prog;
			    list->rpcb_map.r_vers = pmaphead->pml_map.pm_vers;
			    if (pmaphead->pml_map.pm_prot == IPPROTO_UDP)
				list->rpcb_map.r_netid = strdup("udp");
			    else if (pmaphead->pml_map.pm_prot == IPPROTO_TCP)
				list->rpcb_map.r_netid = strdup("tcp");
			    else {
				(void)asprintf(&list->rpcb_map.r_netid, "%6ld",
				    pmaphead->pml_map.pm_prot);
				if (list->rpcb_map.r_netid == NULL)
					goto error;
			    }
			    list->rpcb_map.r_owner = unknown;
			    low = pmaphead->pml_map.pm_port & 0xff;
			    high = (pmaphead->pml_map.pm_port >> 8) & 0xff;
			    (void)asprintf(&list->rpcb_map.r_addr,
				"0.0.0.0.%d.%d", high, low);
			    if (list->rpcb_map.r_addr == NULL)
				    goto error;
			    prev = list;
			}
		    }
		}
	    } else {	/* any other error */
failed:
		    errx(1, "Can't contact rpcbind (%s)",
			clnt_sperror(client, "") + 2);
	    }
	}
	if (head == NULL) {
		(void)printf("No remote programs registered.\n");
	} else if (dumptype == RPCBDUMP) {
		(void)printf(
"   program version netid     address                service    owner\n");
		for (p = head; p != NULL; p = p->rpcb_next) {
			(void)printf("%10u%5u    ",
			    p->rpcb_map.r_prog, p->rpcb_map.r_vers);
			(void)printf("%-9s ", p->rpcb_map.r_netid);
			(void)printf("%-22s", p->rpcb_map.r_addr);
			rpc = getrpcbynumber((int)p->rpcb_map.r_prog);
			if (rpc)
				(void)printf(" %-10s", rpc->r_name);
			else
				(void)printf(" %-10s", "-");
			(void)printf(" %s\n", p->rpcb_map.r_owner);
		}
	} else if (dumptype == RPCBDUMP_SHORT) {
		for (p = head; p != NULL; p = p->rpcb_next) {
			for (rs = rs_head; rs; rs = rs->next)
				if (p->rpcb_map.r_prog == rs->prog)
					break;
			if (rs == NULL) {
				rs = malloc(sizeof(*rs));
				if (rs == NULL)
					goto error;
				rs->next = NULL;
				if (rs_head == NULL) {
					rs_head = rs;
					rs_tail = rs;
				} else {
					rs_tail->next = rs;
					rs_tail = rs;
				}
				rs->prog = p->rpcb_map.r_prog;
				rs->owner = p->rpcb_map.r_owner;
				rs->nlist = NULL;
				rs->vlist = NULL;
			}
			if (add_version(rs, p->rpcb_map.r_vers) == FALSE)
				goto error;
			if (add_netid(rs, p->rpcb_map.r_netid) == FALSE)
				goto error;
		}
		(void)printf(
"   program version(s) netid(s)                         service     owner\n");
		for (rs = rs_head; rs; rs = rs->next) {
			char *q = buf;

			(void)printf("%10lu  ", (unsigned long)rs->prog);
			for (vl = rs->vlist; vl; vl = vl->next) {
				(void)snprintf(q, sizeof(buf) - (q - buf),
				    "%lu", (unsigned long)vl->vers);
				q = q + strlen(q);
				if (vl->next) {
					(void)snprintf(q,
					    sizeof(buf) - (q - buf), ",");
					q++;
				}
			}
			(void)printf("%-10s", buf);
			buf[0] = 0;
			for (nl = rs->nlist; nl; nl = nl->next) {
				(void)strlcat(buf, nl->netid, sizeof(buf));
				if (nl->next)
					(void)strlcat(buf, ",", sizeof(buf));
			}
			(void)printf("%-32s", buf);
			rpc = getrpcbynumber((int)rs->prog);
			if (rpc)
				(void)printf(" %-11s", rpc->r_name);
			else
				(void)printf(" %-11s", "-");
			(void)printf(" %s\n", rs->owner);
		}
	}
	if (client)
		clnt_destroy(client);
	while (head != NULL) {
		rpcblist_ptr list = head->rpcb_next;
		if (head->rpcb_map.r_addr)
			free(head->rpcb_map.r_addr);
		if (head->rpcb_map.r_netid)
			free(head->rpcb_map.r_netid);
		free(head);
		head = list;
	}
	while (rs_head) {
		rs = rs_head;
		rs_head = rs_head->next;
		free(rs);
	}
	return;
error:	err(1, "Cannot allocate memory");
}

static char nullstring[] = "\000";

static void
rpcbaddrlist(const char *netid, int argc, char **argv)
{
	rpcb_entry_list_ptr head = NULL;
	struct timeval minutetimeout;
	CLIENT *client;
	struct rpcent *rpc;
	char *host;
	RPCB parms;
	struct netbuf *targaddr;

	if (argc != 3)
		usage();
	host = argv[0];
	if (netid == NULL) {
		client = clnt_rpcbind_create(host, RPCBVERS4, &targaddr);
	} else {
		struct netconfig *nconf;

		nconf = getnetconfigent(netid);
		if (nconf == NULL)
			errx(1, "Invalid transport (%s)", nc_sperror());
		client = getclnthandle(host, nconf, RPCBVERS4, &targaddr);
		if (nconf)
			(void)freenetconfigent(nconf);
	}
	if (client == NULL)
		errx(1, "Can't contact rpcbind (%s)",
		    clnt_spcreateerror("") + 2);
	minutetimeout.tv_sec = 60;
	minutetimeout.tv_usec = 0;

	parms.r_prog = 	getprognum(argv[1]);
	parms.r_vers = 	getvers(argv[2]);
	parms.r_netid = client->cl_netid;
	if (targaddr == NULL) {
		parms.r_addr = nullstring;	/* for XDRing */
	} else {
		/*
		 * We also send the remote system the address we
		 * used to contact it in case it can help it
		 * connect back with us
		 */
		struct netconfig *nconf;

		nconf = getnetconfigent(client->cl_netid);
		if (nconf != NULL) {
			parms.r_addr = taddr2uaddr(nconf, targaddr);
			if (parms.r_addr == NULL)
				parms.r_addr = nullstring;
			freenetconfigent(nconf);
		} else {
			parms.r_addr = nullstring;	/* for XDRing */
		}
		free(targaddr->buf);
		free(targaddr);
	}
	parms.r_owner = nullstring;

	if (CLNT_CALL(client, RPCBPROC_GETADDRLIST, (xdrproc_t)xdr_rpcb,
		(char *)(void *)&parms, (xdrproc_t)xdr_rpcb_entry_list_ptr,
		(char *)(void *)&head, minutetimeout) != RPC_SUCCESS) {
		errx(1, "Can't contact rpcbind (%s)",
		    clnt_sperror(client, "") + 2);
	}
	if (head == NULL) {
		(void)printf("No remote programs registered.\n");
	} else {
		(void)printf(
	"   program vers  tp_family/name/class    address\t\t  service\n");
		for (; head != NULL; head = head->rpcb_entry_next) {
			rpcb_entry *re;
			char buf[128];

			re = &head->rpcb_entry_map;
			(void)printf("%10u%3u    ",
			    parms.r_prog, parms.r_vers);
			(void)snprintf(buf, sizeof(buf), "%s/%s/%s ",
			    re->r_nc_protofmly, re->r_nc_proto,
			    re->r_nc_semantics == NC_TPI_CLTS ? "clts" :
			    re->r_nc_semantics == NC_TPI_COTS ? "cots" :
			    "cots_ord");
			(void)printf("%-24s", buf);
			(void)printf("%-24s", re->r_maddr);
			rpc = getrpcbynumber((int)parms.r_prog);
			if (rpc)
				(void)printf(" %-13s", rpc->r_name);
			else
				(void)printf(" %-13s", "-");
			(void)printf("\n");
		}
	}
	clnt_destroy(client);
	return;
}

/*
 * monitor rpcbind
 */
static void
rpcbgetstat(int argc, char **argv)
{
	rpcb_stat_byvers inf;
	struct timeval minutetimeout;
	CLIENT *client;
	char *host;
	int i, j;
	rpcbs_addrlist *pa;
	rpcbs_rmtcalllist *pr;
	size_t cnt, flen;
#define	MAXFIELD	64
	char fieldbuf[MAXFIELD];
#define	MAXLINE		256
	char linebuf[MAXLINE];
	char *cp, *lp;
	static const char *pmaphdr[] = {
		"NULL", "SET", "UNSET", "GETPORT",
		"DUMP", "CALLIT"
	};
	static const char *rpcb3hdr[] = {
		"NULL", "SET", "UNSET", "GETADDR", "DUMP", "CALLIT", "TIME",
		"U2T", "T2U"
	};
	static const char *rpcb4hdr[] = {
		"NULL", "SET", "UNSET", "GETADDR", "DUMP", "CALLIT", "TIME",
		"U2T",  "T2U", "VERADDR", "INDRECT", "GETLIST", "GETSTAT"
	};

#define	TABSTOP	8

	if (argc >= 1) {
		host = argv[0];
		client = clnt_rpcbind_create(host, RPCBVERS4, NULL);
	} else
		client = local_rpcb(PMAP_PROG, RPCB_VERS4);
	if (client == NULL)
		errx(1, "Can't contact rpcbind (%s)",
		    clnt_spcreateerror("") + 2);
	minutetimeout.tv_sec = 60;
	minutetimeout.tv_usec = 0;
	(void)memset(&inf, 0, sizeof (rpcb_stat_byvers));
	if (CLNT_CALL(client, RPCBPROC_GETSTAT, (xdrproc_t)xdr_void, NULL,
	    (xdrproc_t)xdr_rpcb_stat_byvers, (char *)(void *)&inf,
	    minutetimeout) != RPC_SUCCESS) {
		errx(1, "Can't contact rpcbind (%s)",
		    clnt_sperror(client, "") + 2);
	}
	(void)printf("PORTMAP (version 2) statistics\n");
	lp = linebuf;
	for (i = 0; i <= rpcb_highproc_2; i++) {
		fieldbuf[0] = '\0';
		switch (i) {
		case PMAPPROC_SET:
			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%d/",
			    inf[RPCBVERS_2_STAT].setinfo);
			break;
		case PMAPPROC_UNSET:
			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%d/",
			    inf[RPCBVERS_2_STAT].unsetinfo);
			break;
		case PMAPPROC_GETPORT:
			cnt = 0;
			for (pa = inf[RPCBVERS_2_STAT].addrinfo; pa;
			    pa = pa->next)
				cnt += pa->success;
			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%zu/", cnt);
			break;
		case PMAPPROC_CALLIT:
			cnt = 0;
			for (pr = inf[RPCBVERS_2_STAT].rmtinfo; pr;
			    pr = pr->next)
				cnt += pr->success;
			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%zu/", cnt);
			break;
		default: break;  /* For the remaining ones */
		}
		cp = &fieldbuf[0] + strlen(fieldbuf);
		(void)snprintf(cp, sizeof(fieldbuf) - (cp - fieldbuf), "%d",
		    inf[RPCBVERS_2_STAT].info[i]);
		flen = strlen(fieldbuf);
		(void)printf("%s%s", pmaphdr[i],
		    spaces((TABSTOP * (1 + flen / TABSTOP))
		    - strlen(pmaphdr[i])));
		(void)snprintf(lp, sizeof(linebuf) - (lp - linebuf), "%s%s",
		    fieldbuf, spaces(cnt = ((TABSTOP * (1 + flen / TABSTOP))
		    - flen)));
		lp += (flen + cnt);
	}
	(void)printf("\n%s\n\n", linebuf);

	if (inf[RPCBVERS_2_STAT].info[PMAPPROC_CALLIT]) {
		(void)printf("PMAP_RMTCALL call statistics\n");
		print_rmtcallstat(RPCBVERS_2_STAT, &inf[RPCBVERS_2_STAT]);
		(void)printf("\n");
	}

	if (inf[RPCBVERS_2_STAT].info[PMAPPROC_GETPORT]) {
		(void)printf("PMAP_GETPORT call statistics\n");
		print_getaddrstat(RPCBVERS_2_STAT, &inf[RPCBVERS_2_STAT]);
		(void)printf("\n");
	}

	(void)printf("RPCBIND (version 3) statistics\n");
	lp = linebuf;
	for (i = 0; i <= rpcb_highproc_3; i++) {
		fieldbuf[0] = '\0';
		switch (i) {
		case RPCBPROC_SET:
			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%d/",
			    inf[RPCBVERS_3_STAT].setinfo);
			break;
		case RPCBPROC_UNSET:
			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%d/",
			    inf[RPCBVERS_3_STAT].unsetinfo);
			break;
		case RPCBPROC_GETADDR:
			cnt = 0;
			for (pa = inf[RPCBVERS_3_STAT].addrinfo; pa;
			    pa = pa->next)
				cnt += pa->success;
			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%zu/", cnt);
			break;
		case RPCBPROC_CALLIT:
			cnt = 0;
			for (pr = inf[RPCBVERS_3_STAT].rmtinfo; pr;
			    pr = pr->next)
				cnt += pr->success;
			(void)snprintf(fieldbuf, sizeof(fieldbuf), "%zu/", cnt);
			break;
		default: break;  /* For the remaining ones */
		}
		cp = &fieldbuf[0] + strlen(fieldbuf);
		(void)snprintf(cp, sizeof(fieldbuf) - (cp - fieldbuf),
		    "%d", inf[RPCBVERS_3_STAT].info[i]);
		flen = strlen(fieldbuf);
		(void)printf("%s%s", rpcb3hdr[i],
		    spaces((TABSTOP * (1 + flen / TABSTOP))
		    - strlen(rpcb3hdr[i])));
		(void)snprintf(lp, sizeof(linebuf) - (lp - linebuf), "%s%s",
		    fieldbuf, spaces(cnt = ((TABSTOP * (1 + flen / TABSTOP))
		    - flen)));
		lp += (flen + cnt);
	}
	(void)printf("\n%s\n\n", linebuf);

	if (inf[RPCBVERS_3_STAT].info[RPCBPROC_CALLIT]) {
		(void)printf("RPCB_RMTCALL (version 3) call statistics\n");
		print_rmtcallstat(RPCBVERS_3_STAT, &inf[RPCBVERS_3_STAT]);
		(void)printf("\n");
	}

	if (inf[RPCBVERS_3_STAT].info[RPCBPROC_GETADDR]) {
		(void)printf("RPCB_GETADDR (version 3) call statistics\n");
		print_getaddrstat(RPCBVERS_3_STAT, &inf[RPCBVERS_3_STAT]);
		(void)printf("\n");
	}

	(void)printf("RPCBIND (version 4) statistics\n");

	for (j = 0; j <= 9; j += 9) { /* Just two iterations for printing */
		lp = linebuf;
		for (i = j; i <= MAX(8, rpcb_highproc_4 - 9 + j); i++) {
			fieldbuf[0] = '\0';
			switch (i) {
			case RPCBPROC_SET:
				(void)snprintf(fieldbuf, sizeof(fieldbuf),
				    "%d/", inf[RPCBVERS_4_STAT].setinfo);
				break;
			case RPCBPROC_UNSET:
				(void)snprintf(fieldbuf, sizeof(fieldbuf),
				    "%d/", inf[RPCBVERS_4_STAT].unsetinfo);
				break;
			case RPCBPROC_GETADDR:
				cnt = 0;
				for (pa = inf[RPCBVERS_4_STAT].addrinfo; pa;
					pa = pa->next)
					cnt += pa->success;
				(void)snprintf(fieldbuf, sizeof(fieldbuf),
				    "%zu/", cnt);
				break;
			case RPCBPROC_CALLIT:
				cnt = 0;
				for (pr = inf[RPCBVERS_4_STAT].rmtinfo; pr;
				    pr = pr->next)
					cnt += pr->success;
				(void)snprintf(fieldbuf, sizeof(fieldbuf),
				    "%zu/", cnt);
				break;
			default: break;  /* For the remaining ones */
			}
			cp = &fieldbuf[0] + strlen(fieldbuf);
			/*
			 * XXX: We also add RPCBPROC_GETADDRLIST queries to
			 * RPCB_GETADDR because rpcbind includes the
			 * RPCB_GETADDRLIST successes in RPCB_GETADDR.
			 */
			if (i != RPCBPROC_GETADDR)
			    (void)snprintf(cp,
				sizeof(fieldbuf) - (cp - fieldbuf),
				"%d", inf[RPCBVERS_4_STAT].info[i]);
			else
			    (void)snprintf(cp,
				sizeof(fieldbuf) - (cp - fieldbuf),
				"%d", inf[RPCBVERS_4_STAT].info[i] +
				inf[RPCBVERS_4_STAT].
				info[RPCBPROC_GETADDRLIST]);
			flen = strlen(fieldbuf);
			(void)printf("%s%s", rpcb4hdr[i],
			    spaces((TABSTOP * (1 + flen / TABSTOP))
			    - strlen(rpcb4hdr[i])));
			(void)snprintf(lp, sizeof(linebuf) - (lp - linebuf),
			    "%s%s", fieldbuf,
			    spaces(cnt = ((TABSTOP * (1 + flen / TABSTOP))
			    - flen)));
			lp += (flen + cnt);
		}
		(void)printf("\n%s\n", linebuf);
	}

	if (inf[RPCBVERS_4_STAT].info[RPCBPROC_CALLIT] ||
			    inf[RPCBVERS_4_STAT].info[RPCBPROC_INDIRECT]) {
		(void)printf("\n");
		(void)printf("RPCB_RMTCALL (version 4) call statistics\n");
		print_rmtcallstat(RPCBVERS_4_STAT, &inf[RPCBVERS_4_STAT]);
	}

	if (inf[RPCBVERS_4_STAT].info[RPCBPROC_GETADDR]) {
		(void)printf("\n");
		(void)printf("RPCB_GETADDR (version 4) call statistics\n");
		print_getaddrstat(RPCBVERS_4_STAT, &inf[RPCBVERS_4_STAT]);
	}
	clnt_destroy(client);
}

/*
 * Delete registeration for this (prog, vers, netid)
 */
static void
deletereg(const char *netid, int argc, char **argv)
{
	struct netconfig *nconf = NULL;

	if (argc != 2)
		usage();
	if (netid) {
		nconf = getnetconfigent(netid);
		if (nconf == NULL)
			errx(1, "netid %s not supported", netid);
	}
	if ((rpcb_unset(getprognum(argv[0]), getvers(argv[1]), nconf)) == 0)
		errx(1, "Could not delete registration for prog %s version %s",
		    argv[0], argv[1]);
}

/*
 * Create and return a handle for the given nconf.
 * Exit if cannot create handle.
 */
static CLIENT *
clnt_addr_create(const char *address, const struct netconfig *nconf,
    rpcprog_t prog, rpcvers_t vers)
{
	CLIENT *client;
	static struct netbuf *nbuf;
	static int fd = RPC_ANYFD;

	if (fd == RPC_ANYFD) {
		if ((fd = __rpc_nconf2fd(nconf)) == -1) {
			rpc_createerr.cf_stat = RPC_TLIERROR;
			clnt_pcreateerror(getprogname());
			exit(1);
		}
		/* Convert the uaddr to taddr */
		nbuf = uaddr2taddr(nconf, address);
		if (nbuf == NULL)
			errx(1, "No address for client handle");
	}
	client = clnt_tli_create(fd, nconf, nbuf, prog, vers, 0, 0);
	if (client == NULL) {
		clnt_pcreateerror(getprogname());
		exit(1);
	}
	return client;
}

/*
 * If the version number is given, ping that (prog, vers); else try to find
 * the version numbers supported for that prog and ping all the versions.
 * Remote rpcbind is not contacted for this service. The requests are
 * sent directly to the services themselves.
 */
static void
addrping(const char *address, const char *netid, int argc, char **argv)
{
	CLIENT *client;
	struct timeval to;
	enum clnt_stat rpc_stat;
	rpcprog_t prognum, versnum, minvers, maxvers;
	struct rpc_err rpcerr;
	int failure = 0;
	struct netconfig *nconf;
	int fd;

	if (argc < 1 || argc > 2 || (netid == NULL))
		usage();
	nconf = getnetconfigent(netid);
	if (nconf == NULL)
		errx(1, "Could not find %s", netid);
	to.tv_sec = 10;
	to.tv_usec = 0;
	prognum = getprognum(argv[0]);
	if (argc == 1) {	/* Version number not known */
		/*
		 * A call to version 0 should fail with a program/version
		 * mismatch, and give us the range of versions supported.
		 */
		versnum = MIN_VERS;
	} else {
		versnum = getvers(argv[1]);
	}
	client = clnt_addr_create(address, nconf, prognum, versnum);
	rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
	    NULL, (xdrproc_t)xdr_void, NULL, to);
	if (argc == 2) {
		/* Version number was known */
		if (pstatus(client, prognum, versnum) < 0)
			failure = 1;
		(void)CLNT_DESTROY(client);
		if (failure)
			exit(1);
		return;
	}
	/* Version number not known */
	(void)CLNT_CONTROL(client, CLSET_FD_NCLOSE, NULL);
	(void)CLNT_CONTROL(client, CLGET_FD, (char *)(void *)&fd);
	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.
		 */
		(void)CLNT_DESTROY(client);
		client = clnt_addr_create(address, nconf, prognum, MAX_VERS);
		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);
	}
	(void)CLNT_DESTROY(client);
	for (versnum = minvers; versnum <= maxvers; versnum++) {
		client = clnt_addr_create(address, nconf, prognum, versnum);
		rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
		    NULL, (xdrproc_t)xdr_void, NULL, to);
		if (pstatus(client, prognum, versnum) < 0)
			failure = 1;
		(void)CLNT_DESTROY(client);
	}
	(void)close(fd);
	if (failure)
		exit(1);
	return;
}

/*
 * If the version number is given, ping that (prog, vers); else try to find
 * the version numbers supported for that prog and ping all the versions.
 * Remote rpcbind is *contacted* for this service. The requests are
 * then sent directly to the services themselves.
 */
static void
progping(const char *netid, int argc, char **argv)
{
	CLIENT *client;
	struct timeval to;
	enum clnt_stat rpc_stat;
	rpcprog_t prognum;
	rpcvers_t versnum, minvers, maxvers;
	struct rpc_err rpcerr;
	int failure = 0;
	struct netconfig *nconf;

	if (argc < 2 || argc > 3 || (netid == NULL))
		usage();
	prognum = getprognum(argv[1]);
	if (argc == 2) { /* Version number not known */
		/*
		 * A call to version 0 should fail with a program/version
		 * mismatch, and give us the range of versions supported.
		 */
		versnum = MIN_VERS;
	} else {
		versnum = getvers(argv[2]);
	}
	if (netid) {
		nconf = getnetconfigent(netid);
		if (nconf == NULL)
			errx(1, "Could not find `%s'", netid);
		client = clnt_tp_create(argv[0], prognum, versnum, nconf);
	} else {
		client = clnt_create(argv[0], prognum, versnum, "NETPATH");
	}
	if (client == NULL) {
		clnt_pcreateerror(getprogname());
		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 (argc == 3) {
		/* Version number was known */
		if (pstatus(client, prognum, versnum) < 0)
			failure = 1;
		(void)CLNT_DESTROY(client);
		if (failure)
			exit(1);
		return;
	}
	/* Version number not known */
	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.
		 */
		versnum = MAX_VERS;
		(void)CLNT_CONTROL(client, CLSET_VERS,
		    (char *)(void *)&versnum);
		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);
	}
	for (versnum = minvers; versnum <= maxvers; versnum++) {
		(void)CLNT_CONTROL(client, CLSET_VERS,
		    (char *)(void *)&versnum);
		rpc_stat = CLNT_CALL(client, NULLPROC, (xdrproc_t)xdr_void,
		    NULL, (xdrproc_t)xdr_void, NULL, to);
		if (pstatus(client, prognum, versnum) < 0)
			failure = 1;
	}
	(void)CLNT_DESTROY(client);
	if (failure)
		exit(1);
	return;
}

static void
usage(void)
{
	(void)fprintf(stderr, "Usage: %s [-m | -s] [host]\n", getprogname());
#ifdef PORTMAP
	(void)fprintf(stderr, "\t%s -p [host]\n", getprogname());
#endif
	(void)fprintf(stderr, "\t%s -T netid host prognum [versnum]\n",
	    getprogname());
	(void)fprintf(stderr, "\t%s -l host prognum versnum\n", getprogname());
#ifdef PORTMAP
	(void)fprintf(stderr,
	    "\t%s [-n portnum] -u | -t host prognum [versnum]\n",
	    getprogname());
#endif
	(void)fprintf(stderr,
	    "\t%s -a serv_address -T netid prognum [version]\n",
	    getprogname());
	(void)fprintf(stderr, "\t%s -b prognum versnum\n", getprogname());
	(void)fprintf(stderr, "\t%s -d [-T netid] prognum versnum\n",
	    getprogname());
	exit(0);
}

static rpcprog_t
getprognum(const char *arg)
{
	char *strptr;
	struct rpcent *rpc;
	u_long prognum;
	const char *tptr = arg;

	while (*tptr && isdigit((unsigned char)*tptr++))
		continue;
	if (*tptr || isalpha((unsigned char)*(tptr - 1))) {
		rpc = getrpcbyname(arg);
		if (rpc == NULL)
			errx(1, "Unknown service `%s'", arg);
		prognum = rpc->r_number;
	} else {
		errno = 0;
		prognum = strtoul(arg, &strptr, 0);
		if (strptr == arg || *strptr != '\0' ||
		    (prognum == ULONG_MAX && errno == ERANGE))
			errx(1, "Illegal program number `%s'", arg);
	}
	return (rpcprog_t)prognum;
}

static rpcvers_t
getvers(const char *arg)
{
	char *strptr;
	u_long vers;

	vers = strtoul(arg, &strptr, 0);
	if (strptr == arg || *strptr != '\0' ||
	    (vers == ULONG_MAX && errno == ERANGE))
		errx(1, "Illegal version number `%s'", arg);
	return (rpcvers_t)vers;
}

/*
 * This routine should take a pointer to an "rpc_err" structure, rather than
 * a pointer to a CLIENT structure, but "clnt_sperror" 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 *client, rpcprog_t prog, rpcvers_t vers)
{
	struct rpc_err rpcerr;

	clnt_geterr(client, &rpcerr);
	if (rpcerr.re_status != RPC_SUCCESS) {
		warnx("Program %lu version %lu is not available (%s)",
		    (unsigned long)prog, (unsigned long)vers,
		    clnt_sperror(client, "") + 2);
		return -1;
	} else {
		(void)printf("program %lu version %lu ready and waiting\n",
		    (unsigned long)prog, (unsigned long)vers);
		return 0;
	}
}

static CLIENT *
clnt_rpcbind_create(const char *host, rpcvers_t rpcbversnum,
    struct netbuf **targaddr)
{
	static const char *tlist[] = {
		"circuit_n", "circuit_v", "datagram_v"
	};
	size_t i;
	struct netconfig *nconf;
	CLIENT *clnt = NULL;
	void *handle;

	rpc_createerr.cf_stat = RPC_SUCCESS;
	for (i = 0; i < __arraycount(tlist); i++) {
		if ((handle = __rpc_setconf(tlist[i])) == NULL)
			continue;
		while (clnt == NULL) {
			if ((nconf = __rpc_getconf(handle)) == NULL) {
				if (rpc_createerr.cf_stat == RPC_SUCCESS)
				    rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
				break;
			}
			clnt = getclnthandle(host, nconf, rpcbversnum,
			    targaddr);
		}
		__rpc_endconf(handle);
		if (clnt)
			return clnt;
	}
	return NULL;
}

static CLIENT*
getclnthandle(const char *host, const struct netconfig *nconf,
    rpcvers_t rpcbversnum, struct netbuf **targaddr)
{
	struct netbuf addr;
	struct addrinfo hints, *res;
	CLIENT *client = NULL;

	/* Get the address of the rpcbind */
	(void)memset(&hints, 0, sizeof hints);
	if (getaddrinfo(host, "rpcbind", &hints, &res) != 0) {
		rpc_createerr.cf_stat = RPC_N2AXLATEFAILURE;
		return NULL;
	}
	addr.len = addr.maxlen = res->ai_addrlen;
	addr.buf = res->ai_addr;
	client = clnt_tli_create(RPC_ANYFD, nconf, &addr, RPCBPROG,
	    rpcbversnum, 0, 0);
	if (client) {
		if (targaddr != NULL) {
			*targaddr = malloc(sizeof(**targaddr));
			if (*targaddr != NULL) {
				(*targaddr)->maxlen = addr.maxlen;
				(*targaddr)->len = addr.len;
				(*targaddr)->buf = malloc(addr.len);
				if ((*targaddr)->buf != NULL) {
					(void)memcpy((*targaddr)->buf, addr.buf,
					    addr.len);
				}
			}
		}
	} else {
		if (rpc_createerr.cf_stat == RPC_TLIERROR) {
			/*
			 * Assume that the other system is dead; this is a
			 * better error to display to the user.
			 */
			rpc_createerr.cf_stat = RPC_RPCBFAILURE;
			rpc_createerr.cf_error.re_status = RPC_FAILED;
		}
	}
	freeaddrinfo(res);
	return client;
}

static void
print_rmtcallstat(int rtype, const rpcb_stat *infp)
{
	rpcbs_rmtcalllist_ptr pr;
	const struct rpcent *rpc;

	if (rtype == RPCBVERS_4_STAT)
		(void)printf(
		    "prog\t\tvers\tproc\tnetid\tindirect success failure\n");
	else
		(void)printf("prog\t\tvers\tproc\tnetid\tsuccess\tfailure\n");
	for (pr = infp->rmtinfo; pr; pr = pr->next) {
		rpc = getrpcbynumber((int)pr->prog);
		if (rpc)
			(void)printf("%-16s", rpc->r_name);
		else
			(void)printf("%-16d", pr->prog);
		(void)printf("%d\t%d\t%s\t",
			pr->vers, pr->proc, pr->netid);
		if (rtype == RPCBVERS_4_STAT)
			(void)printf("%d\t ", pr->indirect);
		(void)printf("%d\t%d\n", pr->success, pr->failure);
	}
}

static void
/*ARGSUSED*/
print_getaddrstat(int rtype, const rpcb_stat *infp)
{
	rpcbs_addrlist_ptr al;
	const struct rpcent *rpc;

	(void)printf("prog\t\tvers\tnetid\t  success\tfailure\n");
	for (al = infp->addrinfo; al; al = al->next) {
		rpc = getrpcbynumber((int)al->prog);
		if (rpc)
			(void)printf("%-16s", rpc->r_name);
		else
			(void)printf("%-16d", al->prog);
		(void)printf("%d\t%s\t  %-12d\t%d\n", al->vers, al->netid,
		    al->success, al->failure);
	}
}

static const char *
spaces(size_t howmany)
{
	static const char space_array[] =	/* 64 spaces */
	"                                                                ";

	if (howmany >= sizeof(space_array)) {
		return ("");
	}
	return &space_array[sizeof(space_array) - howmany - 1];
}