pmap_getmaps.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

#ifndef lint
static char *sccsid = "@(#)pmap_getmaps.c	4.1	ULTRIX	7/3/90";
#endif lint

/************************************************************************
 *									*
 *			Copyright (c) 1986 by				*
 *		Digital Equipment Corporation, Maynard, MA		*
 *			All rights reserved.				*
 *									*
 *   This software is furnished under a license and may be used and	*
 *   copied  only  in accordance with the terms of such license and	*
 *   with the  inclusion  of  the  above  copyright  notice.   This	*
 *   software  or  any  other copies thereof may not be provided or	*
 *   otherwise made available to any other person.  No title to and	*
 *   ownership of the software is hereby transferred.			*
 *									*
 *   This software is  derived  from  software  received  from  the	*
 *   University    of   California,   Berkeley,   and   from   Bell	*
 *   Laboratories.  Use, duplication, or disclosure is  subject  to	*
 *   restrictions  under  license  agreements  with  University  of	*
 *   California and with AT&T.						*
 *									*
 *   The information in this software is subject to change  without	*
 *   notice  and should not be construed as a commitment by Digital	*
 *   Equipment Corporation.						*
 *									*
 *   Digital assumes no responsibility for the use  or  reliability	*
 *   of its software on equipment which is not supplied by Digital.	*
 *									*
 ************************************************************************/

/*
 *	Portions of this software have been licensed to 
 *	Digital Equipment Company, Maynard, MA.
 *	Copyright (c) 1986 Sun Microsystems, Inc.  ALL RIGHTS RESERVED.
 */

/*
 * pmap_getmap.c
 * Client interface to pmap rpc service.
 * contains pmap_getmaps, which is only tcp service involved
 *
 */

#include <rpc/types.h>
#include <netinet/in.h>
#include <rpc/xdr.h>
#include <rpc/auth.h>
#include <rpc/clnt.h>
#include <rpc/rpc_msg.h>
#include <rpc/pmap_prot.h> 
#include <rpc/pmap_clnt.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netdb.h>
#include <stdio.h>
#include <errno.h>
#include <net/if.h>
#include <sys/ioctl.h>
#define NAMELEN 255
#define MAX_BROADCAST_SIZE 1400

extern int errno;
static struct sockaddr_in myaddress;

/*
 * Get a copy of the current port maps.
 * Calls the pmap service remotely to do get the maps.
 */
struct pmaplist *
pmap_getmaps(address)
	 struct sockaddr_in *address;
{
	struct pmaplist *head = (struct pmaplist *)NULL;
	int socket = -1;
	struct timeval minutetimeout;
	register CLIENT *client;

	minutetimeout.tv_sec = 60;
	minutetimeout.tv_usec = 0;
	address->sin_port = htons(PMAPPORT);
	client = clnttcp_create(address, PMAPPROG,
	    PMAPVERS, &socket, 50, 500);
	if (client != (CLIENT *)NULL) {
		if (CLNT_CALL(client, PMAPPROC_DUMP, xdr_void, NULL, xdr_pmaplist,
		    &head, minutetimeout) != RPC_SUCCESS) {
			clnt_perror(client, "pmap_getmaps rpc problem");
		}
		CLNT_DESTROY(client);
	}
	(void)close(socket);
	address->sin_port = 0;
	return (head);
}