1/* $OpenBSD: getrpcport.c,v 1.8 2010/09/01 14:43:34 millert Exp $ */ 2 3/* 4 * Copyright (c) 2010, Oracle America, Inc. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials 15 * provided with the distribution. 16 * * Neither the name of the "Oracle America, Inc." nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <stdio.h> 35#include <string.h> 36#include <rpc/rpc.h> 37#include <rpc/pmap_clnt.h> 38#include <netdb.h> 39#include <sys/socket.h> 40 41int 42getrpcport(char *host, int prognum, int versnum, int proto) 43{ 44 struct sockaddr_in addr; 45 struct hostent *hp; 46 47 if ((hp = gethostbyname(host)) == NULL) 48 return (0); 49 memset(&addr, 0, sizeof(addr)); 50 addr.sin_len = sizeof(struct sockaddr_in); 51 addr.sin_family = AF_INET; 52 addr.sin_port = 0; 53 memcpy((char *)&addr.sin_addr, hp->h_addr, hp->h_length); 54 return (pmap_getport(&addr, prognum, versnum, proto)); 55} 56