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      1 /*	$NetBSD: pmap_getmaps.c,v 1.18 2013/03/11 20:19:29 tron Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2010, Oracle America, Inc.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions are
      8  * met:
      9  *
     10  *     * Redistributions of source code must retain the above copyright
     11  *       notice, this list of conditions and the following disclaimer.
     12  *     * Redistributions in binary form must reproduce the above
     13  *       copyright notice, this list of conditions and the following
     14  *       disclaimer in the documentation and/or other materials
     15  *       provided with the distribution.
     16  *     * Neither the name of the "Oracle America, Inc." nor the names of its
     17  *       contributors may be used to endorse or promote products derived
     18  *       from this software without specific prior written permission.
     19  *
     20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     23  *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     24  *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     25  *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
     27  *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     28  *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29  *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     30  *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #include <sys/cdefs.h>
     35 #if defined(LIBC_SCCS) && !defined(lint)
     36 #if 0
     37 static char *sccsid = "@(#)pmap_getmaps.c 1.10 87/08/11 Copyr 1984 Sun Micro";
     38 static char *sccsid = "@(#)pmap_getmaps.c	2.2 88/08/01 4.0 RPCSRC";
     39 #else
     40 __RCSID("$NetBSD: pmap_getmaps.c,v 1.18 2013/03/11 20:19:29 tron Exp $");
     41 #endif
     42 #endif
     43 
     44 /*
     45  * pmap_getmap.c
     46  * Client interface to pmap rpc service.
     47  * contains pmap_getmaps, which is only tcp service involved
     48  *
     49  * Copyright (C) 1984, Sun Microsystems, Inc.
     50  */
     51 
     52 #include "namespace.h"
     53 
     54 #include <sys/types.h>
     55 #include <sys/ioctl.h>
     56 #include <sys/socket.h>
     57 
     58 #include <net/if.h>
     59 
     60 #include <assert.h>
     61 #include <errno.h>
     62 #include <netdb.h>
     63 #include <stdio.h>
     64 #include <unistd.h>
     65 
     66 #include <rpc/rpc.h>
     67 #include <rpc/pmap_prot.h>
     68 #include <rpc/pmap_clnt.h>
     69 
     70 #ifdef __weak_alias
     71 __weak_alias(pmap_getmaps,_pmap_getmaps)
     72 #endif
     73 
     74 #define NAMELEN 255
     75 #define MAX_BROADCAST_SIZE 1400
     76 
     77 /*
     78  * Get a copy of the current port maps.
     79  * Calls the pmap service remotely to do get the maps.
     80  */
     81 struct pmaplist *
     82 pmap_getmaps(struct sockaddr_in *address)
     83 {
     84 	struct pmaplist *head = NULL;
     85 	int sock = -1;
     86 	struct timeval minutetimeout;
     87 	CLIENT *client;
     88 
     89 	_DIAGASSERT(address != NULL);
     90 
     91 	minutetimeout.tv_sec = 60;
     92 	minutetimeout.tv_usec = 0;
     93 	address->sin_port = htons(PMAPPORT);
     94 	client = clnttcp_create(address, PMAPPROG,
     95 	    PMAPVERS, &sock, 50, 500);
     96 	if (client != NULL) {
     97 		if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_DUMP,
     98 		    (xdrproc_t)xdr_void, NULL,
     99 		    (xdrproc_t)xdr_pmaplist, &head, minutetimeout) !=
    100 		    RPC_SUCCESS) {
    101 			clnt_perror(client, "pmap_getmaps rpc problem");
    102 		}
    103 		CLNT_DESTROY(client);
    104 	}
    105 	address->sin_port = 0;
    106 	return (head);
    107 }
    108