lib/libc/rpc/pmap_getmaps.c

   1 /*-
   2  * Copyright (c) 2009, Sun Microsystems, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are met:
   7  * - Redistributions of source code must retain the above copyright notice,
   8  *   this list of conditions and the following disclaimer.
   9  * - Redistributions in binary form must reproduce the above copyright notice,
  10  *   this list of conditions and the following disclaimer in the documentation
  11  *   and/or other materials provided with the distribution.
  12  * - Neither the name of Sun Microsystems, Inc. nor the names of its
  13  *   contributors may be used to endorse or promote products derived
  14  *   from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * @(#)pmap_getmaps.c 1.10 87/08/11 Copyr 1984 Sun Micro
  29  * @(#)pmap_getmaps.c   2.2 88/08/01 4.0 RPCSRC
  30  * $NetBSD: pmap_getmaps.c,v 1.16 2000/07/06 03:10:34 christos Exp $
  31  * $FreeBSD: src/lib/libc/rpc/pmap_getmaps.c,v 1.16 2004/10/16 06:11:35 obrien Exp $
  32  * $DragonFly: src/lib/libc/rpc/pmap_getmaps.c,v 1.5 2005/11/13 12:27:04 swildner Exp $
  33  */
  34
  35 /*
  36  * pmap_getmap.c
  37  * Client interface to pmap rpc service.
  38  * contains pmap_getmaps, which is only tcp service involved
  39  *
  40  * Copyright (C) 1984, Sun Microsystems, Inc.
  41  */
  42
  43 #include "namespace.h"
  44 #include <sys/types.h>
  45 #include <sys/socket.h>
  46 #include <sys/ioctl.h>
  47
  48 #include <arpa/inet.h>
  49 #include <net/if.h>
  50
  51 #include <assert.h>
  52 #include <errno.h>
  53 #include <netdb.h>
  54 #include <stdio.h>
  55 #include <unistd.h>
  56
  57 #include <rpc/rpc.h>
  58 #include <rpc/pmap_prot.h>
  59 #include <rpc/pmap_clnt.h>
  60 #include "un-namespace.h"
  61
  62 #define NAMELEN 255
  63 #define MAX_BROADCAST_SIZE 1400
  64
  65 /*
  66  * Get a copy of the current port maps.
  67  * Calls the pmap service remotely to do get the maps.
  68  */
  69 struct pmaplist *
  70 pmap_getmaps(struct sockaddr_in *address)
  71 {
  72         struct pmaplist *head = NULL;
  73         int sock = -1;
  74         struct timeval minutetimeout;
  75         CLIENT *client;
  76
  77         assert(address != NULL);
  78
  79         minutetimeout.tv_sec = 60;
  80         minutetimeout.tv_usec = 0;
  81         address->sin_port = htons(PMAPPORT);
  82         client = clnttcp_create(address, PMAPPROG,
  83             PMAPVERS, &sock, 50, 500);
  84         if (client != NULL) {
  85                 if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_DUMP,
  86                     (xdrproc_t)xdr_void, NULL,
  87                     (xdrproc_t)xdr_pmaplist, &head, minutetimeout) !=
  88                     RPC_SUCCESS) {
  89                         clnt_perror(client, "pmap_getmaps rpc problem");
  90                 }
  91                 CLNT_DESTROY(client);
  92         }
  93         address->sin_port = 0;
  94         return (head);
  95 }