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/*

 * 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

 */

#if defined(LIBC_SCCS) && !defined(lint)

/*static char *sccsid = "from: @(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";*/

/*static char *sccsid = "from: @(#)pmap_clnt.c  2.2 88/08/01 4.0 RPCSRC";*/

static char *rcsid = "$FreeBSD: src/lib/libc/rpc/pmap_clnt.c,v 1.11 2000/01/27 23:06:39 jasone Exp $";

#endif

/*

 * pmap_clnt.c

 * Client interface to pmap rpc service.

 *

 * Copyright (C) 1984, Sun Microsystems, Inc.

 */

#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

#include <rpc/rpc.h>

#include <rpc/pmap_prot.h>

#include <rpc/pmap_clnt.h>

#include <netinet/in.h>

static struct timeval timeout = { 5, 0 };

static struct timeval tottimeout = { 60, 0 };

void clnt_perror();

#ifndef PORTMAPSOCK

#define PORTMAPSOCK "/var/run/portmapsock"

#endif

/*

 * Set a mapping between program,version and port.

 * Calls the pmap service remotely to do the mapping.

 */

bool_t

pmap_set(program, version, protocol, port)

        u_long program;

        u_long version;

        int protocol;

        u_short port;

{

        struct sockaddr_in myaddress;

        int socket = -1;

        register CLIENT *client;

        struct pmap parms;

        bool_t rslt;

        struct stat st;

        /*

         * Temporary hack for backwards compatibility. Eventually

         * this test will go away and we'll use only the "unix" transport.

         */

        if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK)

                client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix");

        else  {

                if (get_myaddress(&myaddress) != 0)

                        return (FALSE);

                myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK);

                client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,

                        timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);

        }

        if (client == (CLIENT *)NULL)

                return (FALSE);

        parms.pm_prog = program;

        parms.pm_vers = version;

        parms.pm_prot = protocol;

        parms.pm_port = port;

        if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,

            tottimeout) != RPC_SUCCESS) {

                clnt_perror(client, "Cannot register service");

                return (FALSE);

        }

        CLNT_DESTROY(client);

        if (socket != -1)

                (void)_close(socket);

        return (rslt);

}

/*

 * Remove the mapping between program,version and port.

 * Calls the pmap service remotely to do the un-mapping.

 */

bool_t

pmap_unset(program, version)

        u_long program;

        u_long version;

{

        struct sockaddr_in myaddress;

        int socket = -1;

        register CLIENT *client;

        struct pmap parms;

        bool_t rslt;

        struct stat st;

        /*

         * Temporary hack for backwards compatibility. Eventually

         * this test will go away and we'll use only the "unix" transport.

         */

        if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK)

                client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix");

        else {

                if (get_myaddress(&myaddress) != 0)

                        return (FALSE);

                myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK);

                client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,

                        timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);

        }

        if (client == (CLIENT *)NULL)

                return (FALSE);

        parms.pm_prog = program;

        parms.pm_vers = version;

        parms.pm_port = parms.pm_prot = 0;

        CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,

            tottimeout);

        CLNT_DESTROY(client);

        if (socket != -1)

                (void)_close(socket);

        return (rslt);

}