lib/libc/rpc/pmap_getmaps.c

   1 /*
   2  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   3  * unrestricted use provided that this legend is included on all tape
   4  * media and as a part of the software program in whole or part.  Users
   5  * may copy or modify Sun RPC without charge, but are not authorized
   6  * to license or distribute it to anyone else except as part of a product or
   7  * program developed by the user.
   8  *
   9  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  10  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  11  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  12  *
  13  * Sun RPC is provided with no support and without any obligation on the
  14  * part of Sun Microsystems, Inc. to assist in its use, correction,
  15  * modification or enhancement.
  16  *
  17  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  18  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  19  * OR ANY PART THEREOF.
  20  *
  21  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  22  * or profits or other special, indirect and consequential damages, even if
  23  * Sun has been advised of the possibility of such damages.
  24  *
  25  * Sun Microsystems, Inc.
  26  * 2550 Garcia Avenue
  27  * Mountain View, California  94043
  28  *
  29  * @(#)pmap_getmaps.c 1.10 87/08/11 Copyr 1984 Sun Micro
  30  * @(#)pmap_getmaps.c   2.2 88/08/01 4.0 RPCSRC
  31  * $NetBSD: pmap_getmaps.c,v 1.16 2000/07/06 03:10:34 christos Exp $
  32  * $FreeBSD: src/lib/libc/rpc/pmap_getmaps.c,v 1.16 2004/10/16 06:11:35 obrien Exp $
  33  * $DragonFly: src/lib/libc/rpc/pmap_getmaps.c,v 1.5 2005/11/13 12:27:04 swildner Exp $
  34  */
  35
  36 /*
  37  * pmap_getmap.c
  38  * Client interface to pmap rpc service.
  39  * contains pmap_getmaps, which is only tcp service involved
  40  *
  41  * Copyright (C) 1984, Sun Microsystems, Inc.
  42  */
  43
  44 #include "namespace.h"
  45 #include <sys/types.h>
  46 #include <sys/socket.h>
  47 #include <sys/ioctl.h>
  48
  49 #include <arpa/inet.h>
  50 #include <net/if.h>
  51
  52 #include <assert.h>
  53 #include <errno.h>
  54 #include <netdb.h>
  55 #include <stdio.h>
  56 #include <unistd.h>
  57
  58 #include <rpc/rpc.h>
  59 #include <rpc/pmap_prot.h>
  60 #include <rpc/pmap_clnt.h>
  61 #include "un-namespace.h"
  62
  63 #define NAMELEN 255
  64 #define MAX_BROADCAST_SIZE 1400
  65
  66 /*
  67  * Get a copy of the current port maps.
  68  * Calls the pmap service remotely to do get the maps.
  69  */
  70 struct pmaplist *
  71 pmap_getmaps(struct sockaddr_in *address)
  72 {
  73         struct pmaplist *head = NULL;
  74         int sock = -1;
  75         struct timeval minutetimeout;
  76         CLIENT *client;
  77
  78         assert(address != NULL);
  79
  80         minutetimeout.tv_sec = 60;
  81         minutetimeout.tv_usec = 0;
  82         address->sin_port = htons(PMAPPORT);
  83         client = clnttcp_create(address, PMAPPROG,
  84             PMAPVERS, &sock, 50, 500);
  85         if (client != NULL) {
  86                 if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_DUMP,
  87                     (xdrproc_t)xdr_void, NULL,
  88                     (xdrproc_t)xdr_pmaplist, &head, minutetimeout) !=
  89                     RPC_SUCCESS) {
  90                         clnt_perror(client, "pmap_getmaps rpc problem");
  91                 }
  92                 CLNT_DESTROY(client);
  93         }
  94         address->sin_port = 0;
  95         return (head);
  96 }