sunrpc/pm_getmaps.c

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