usr/src/ucblib/librpcsoc/getrpcport.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 #ident  "%Z%%M% %I%     %E% SMI"
  23
  24 /*
  25  * Copyright (c) 1991 by Sun Microsystems, Inc.
  26  */
  27
  28 #include <rpc/rpc.h>
  29 #include <netdb.h>
  30 #include <sys/socket.h>
  31 #include <stdio.h>
  32
  33 extern u_short pmap_getport(struct sockaddr_in *, rpcprog_t,
  34                         rpcvers_t, rpcprot_t);
  35
  36 u_short
  37 getrpcport(char *host, rpcprog_t prognum, rpcvers_t versnum, rpcprot_t proto)
  38 {
  39         struct sockaddr_in addr;
  40         struct hostent *hp;
  41
  42         if ((hp = gethostbyname(host)) == NULL)
  43                 return (0);
  44         memcpy((char *) &addr.sin_addr, hp->h_addr, hp->h_length);
  45         addr.sin_family = AF_INET;
  46         addr.sin_port =  0;
  47         return (pmap_getport(&addr, prognum, versnum, proto));
  48 }