1/* $NetBSD: getrpcport.c,v 1.16 2000/01/22 22:19:18 mycroft 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 <sys/cdefs.h> 35#if defined(LIBC_SCCS) && !defined(lint) 36#if 0 37static char *sccsid = "@(#)getrpcport.c 1.3 87/08/11 SMI"; 38static char *sccsid = "@(#)getrpcport.c 2.1 88/07/29 4.0 RPCSRC"; 39#else 40__RCSID("$NetBSD: getrpcport.c,v 1.16 2000/01/22 22:19:18 mycroft Exp $"); 41#endif 42#endif 43 44/* 45 * Copyright (c) 1985 by Sun Microsystems, Inc. 46 */ 47 48#include "namespace.h" 49 50#include <sys/types.h> 51#include <sys/socket.h> 52 53#include <assert.h> 54#include <netdb.h> 55#include <stdio.h> 56#include <string.h> 57 58#include <rpc/rpc.h> 59#include <rpc/pmap_clnt.h> 60 61#ifdef __weak_alias 62__weak_alias(getrpcport,_getrpcport) 63#endif 64 65int 66getrpcport(host, prognum, versnum, proto) 67 char *host; 68 int prognum, versnum, proto; 69{ 70 struct sockaddr_in addr; 71 struct hostent *hp; 72 73 _DIAGASSERT(host != NULL); 74 75 if ((hp = gethostbyname(host)) == NULL) 76 return (0); 77 memset(&addr, 0, sizeof(addr)); 78 addr.sin_len = sizeof(struct sockaddr_in); 79 addr.sin_family = AF_INET; 80 addr.sin_port = 0; 81 if (hp->h_length > addr.sin_len) 82 hp->h_length = addr.sin_len; 83 memcpy(&addr.sin_addr.s_addr, hp->h_addr, (size_t)hp->h_length); 84 /* Inconsistent interfaces need casts! :-( */ 85 return (pmap_getport(&addr, (u_long)prognum, (u_long)versnum, 86 (u_int)proto)); 87} 88