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pmap_clnt.c revision 1.12 
      1 /*	$NetBSD: pmap_clnt.c,v 1.12 1999/03/25 01:16:11 lukem 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 1.12 1999/03/25 01:16:11 lukem 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 
     51 #include <unistd.h>
     52 
     53 #include <rpc/rpc.h>
     54 #include <rpc/pmap_prot.h>
     55 #include <rpc/pmap_clnt.h>
     56 
     57 #ifdef __weak_alias
     58 __weak_alias(pmap_set,_pmap_set);
     59 __weak_alias(pmap_unset,_pmap_unset);
     60 #endif
     61 
     62 static const struct timeval timeout = { 5, 0 };
     63 static const struct timeval tottimeout = { 60, 0 };
     64 
     65 /*
     66  * Set a mapping between program,version and port.
     67  * Calls the pmap service remotely to do the mapping.
     68  */
     69 bool_t
     70 pmap_set(program, version, protocol, port)
     71 	u_long program;
     72 	u_long version;
     73 	int protocol;
     74 	u_short port;
     75 {
     76 	struct sockaddr_in myaddress;
     77 	int socket = -1;
     78 	CLIENT *client;
     79 	struct pmap parms;
     80 	bool_t rslt;
     81 
     82 	if (get_myaddress(&myaddress) != 0)
     83 		return (FALSE);
     84 	client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
     85 	    timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
     86 	if (client == (CLIENT *)NULL)
     87 		return (FALSE);
     88 	parms.pm_prog = program;
     89 	parms.pm_vers = version;
     90 	parms.pm_prot = protocol;
     91 	parms.pm_port = port;
     92 	if (CLNT_CALL(client, PMAPPROC_SET, (xdrproc_t)xdr_pmap,
     93 	    &parms, (xdrproc_t)xdr_bool, &rslt, tottimeout) != RPC_SUCCESS) {
     94 		clnt_perror(client, "Cannot register service");
     95 		rslt = FALSE;
     96 	}
     97 	CLNT_DESTROY(client);
     98 	return (rslt);
     99 }
    100 
    101 /*
    102  * Remove the mapping between program,version and port.
    103  * Calls the pmap service remotely to do the un-mapping.
    104  */
    105 bool_t
    106 pmap_unset(program, version)
    107 	u_long program;
    108 	u_long version;
    109 {
    110 	struct sockaddr_in myaddress;
    111 	int socket = -1;
    112 	CLIENT *client;
    113 	struct pmap parms;
    114 	bool_t rslt;
    115 
    116 	if (get_myaddress(&myaddress) != 0)
    117 		return (FALSE);
    118 	client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
    119 	    timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
    120 	if (client == (CLIENT *)NULL)
    121 		return (FALSE);
    122 	parms.pm_prog = program;
    123 	parms.pm_vers = version;
    124 	parms.pm_port = parms.pm_prot = 0;
    125 	CLNT_CALL(client, PMAPPROC_UNSET, (xdrproc_t)xdr_pmap, &parms,
    126 	    (xdrproc_t)xdr_bool, &rslt, tottimeout);
    127 	CLNT_DESTROY(client);
    128 	return (rslt);
    129 }
    130