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pmap_clnt.c revision 1.5 
      1 /*	$NetBSD: pmap_clnt.c,v 1.5 1997/07/21 14:08:30 jtc 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 #include <sys/cdefs.h>
     33 #if defined(LIBC_SCCS) && !defined(lint)
     34 #if 0
     35 static char *sccsid = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";
     36 static char *sccsid = "@(#)pmap_clnt.c	2.2 88/08/01 4.0 RPCSRC";
     37 #else
     38 __RCSID("$NetBSD: pmap_clnt.c,v 1.5 1997/07/21 14:08:30 jtc Exp $");
     39 #endif
     40 #endif
     41 
     42 /*
     43  * pmap_clnt.c
     44  * Client interface to pmap rpc service.
     45  *
     46  * Copyright (C) 1984, Sun Microsystems, Inc.
     47  */
     48 
     49 #include "namespace.h"
     50 #include <rpc/rpc.h>
     51 #include <rpc/pmap_prot.h>
     52 #include <rpc/pmap_clnt.h>
     53 #include <unistd.h>
     54 
     55 #ifdef __weak_alias
     56 __weak_alias(pmap_set,_pmap_set);
     57 __weak_alias(pmap_unset,_pmap_unset);
     58 #endif
     59 
     60 static struct timeval timeout = { 5, 0 };
     61 static struct timeval tottimeout = { 60, 0 };
     62 
     63 /*
     64  * Set a mapping between program,version and port.
     65  * Calls the pmap service remotely to do the mapping.
     66  */
     67 bool_t
     68 pmap_set(program, version, protocol, port)
     69 	u_long program;
     70 	u_long version;
     71 	int protocol;
     72 	u_short port;
     73 {
     74 	struct sockaddr_in myaddress;
     75 	int socket = -1;
     76 	register CLIENT *client;
     77 	struct pmap parms;
     78 	bool_t rslt;
     79 
     80 	if (get_myaddress(&myaddress) != 0)
     81 		return (FALSE);
     82 	client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
     83 	    timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
     84 	if (client == (CLIENT *)NULL)
     85 		return (FALSE);
     86 	parms.pm_prog = program;
     87 	parms.pm_vers = version;
     88 	parms.pm_prot = protocol;
     89 	parms.pm_port = port;
     90 	if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,
     91 	    tottimeout) != RPC_SUCCESS) {
     92 		clnt_perror(client, "Cannot register service");
     93 		return (FALSE);
     94 	}
     95 	CLNT_DESTROY(client);
     96 	(void)close(socket);
     97 	return (rslt);
     98 }
     99 
    100 /*
    101  * Remove the mapping between program,version and port.
    102  * Calls the pmap service remotely to do the un-mapping.
    103  */
    104 bool_t
    105 pmap_unset(program, version)
    106 	u_long program;
    107 	u_long version;
    108 {
    109 	struct sockaddr_in myaddress;
    110 	int socket = -1;
    111 	register CLIENT *client;
    112 	struct pmap parms;
    113 	bool_t rslt;
    114 
    115 	if (get_myaddress(&myaddress) != 0)
    116 		return (FALSE);
    117 	client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
    118 	    timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
    119 	if (client == (CLIENT *)NULL)
    120 		return (FALSE);
    121 	parms.pm_prog = program;
    122 	parms.pm_vers = version;
    123 	parms.pm_port = parms.pm_prot = 0;
    124 	CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
    125 	    tottimeout);
    126 	CLNT_DESTROY(client);
    127 	(void)close(socket);
    128 	return (rslt);
    129 }
    130