/*

 * pmap_getmap.c

 * Client interface to pmap rpc service.

 * contains pmap_getmaps, which is only tcp service involved

 *

 * Copyright (c) 2010, Oracle America, Inc.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are

 * met:

 *

 *     * Redistributions of source code must retain the above copyright

 *       notice, this list of conditions and the following disclaimer.

 *     * Redistributions in binary form must reproduce the above

 *       copyright notice, this list of conditions and the following

 *       disclaimer in the documentation and/or other materials

 *       provided with the distribution.

 *     * Neither the name of the "Oracle America, Inc." nor the names of its

 *       contributors may be used to endorse or promote products derived

 *       from this software without specific prior written permission.

 *

 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

 *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

 *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

 *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

 *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include <rpc/rpc.h>

#include <rpc/pmap_prot.h>

#include <rpc/pmap_clnt.h>

#include <sys/socket.h>

#include <netdb.h>

#include <stdbool.h>

#include <stdio.h>

#include <errno.h>

#include <libintl.h>

#include <unistd.h>

#include <not-cancel.h>

#include <shlib-compat.h>

/*

 * Get a copy of the current port maps.

 * Calls the pmap service remotely to do get the maps.

 */

struct pmaplist *

pmap_getmaps (struct sockaddr_in *address)

{

  struct pmaplist *head = (struct pmaplist *) NULL;

  struct timeval minutetimeout;

  CLIENT *client;

  bool closeit = false;

  minutetimeout.tv_sec = 60;

  minutetimeout.tv_usec = 0;

  address->sin_port = htons (PMAPPORT);

  /* Don't need a reserved port to get ports from the portmapper.  */

  int socket = __get_socket (address);

  if (socket != -1)

    closeit = true;

  client = clnttcp_create (address, PMAPPROG, PMAPVERS, &socket, 50, 500);

  if (client != (CLIENT *) NULL)

    {

      if (CLNT_CALL (client, PMAPPROC_DUMP, (xdrproc_t)xdr_void, NULL,

		     (xdrproc_t)xdr_pmaplist, (caddr_t)&head,

		     minutetimeout) != RPC_SUCCESS)

	{

	  clnt_perror (client, _("pmap_getmaps.c: rpc problem"));

	}

      CLNT_DESTROY (client);

    }

  /* We only need to close the socket here if we opened  it.  */

  if (closeit)

    __close_nocancel (socket);

  address->sin_port = 0;

  return head;

}

libc_hidden_nolink_sunrpc (pmap_getmaps, GLIBC_2_0)