86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
/* $NetBSD: getrpcport.c,v 1.18 2013/03/11 20:19:29 tron Exp $ */
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/*
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* Copyright (c) 2010, Oracle America, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of the "Oracle America, Inc." nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char *sccsid = "@(#)getrpcport.c 1.3 87/08/11 SMI";
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static char *sccsid = "@(#)getrpcport.c 2.1 88/07/29 4.0 RPCSRC";
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#else
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__RCSID("$NetBSD: getrpcport.c,v 1.18 2013/03/11 20:19:29 tron Exp $");
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#endif
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#endif
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/*
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* Copyright (c) 1985 by Sun Microsystems, Inc.
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*/
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#include "namespace.h"
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <assert.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <string.h>
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#include <rpc/rpc.h>
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#include <rpc/pmap_clnt.h>
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#ifdef __weak_alias
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__weak_alias(getrpcport,_getrpcport)
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#endif
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int
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getrpcport(char *host, int prognum, int versnum, int proto)
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{
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struct sockaddr_in addr;
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struct hostent *hp;
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_DIAGASSERT(host != NULL);
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if ((hp = gethostbyname(host)) == NULL)
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return (0);
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memset(&addr, 0, sizeof(addr));
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addr.sin_len = sizeof(struct sockaddr_in);
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addr.sin_family = AF_INET;
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addr.sin_port = 0;
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if (hp->h_length > addr.sin_len)
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hp->h_length = addr.sin_len;
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memcpy(&addr.sin_addr.s_addr, hp->h_addr, (size_t)hp->h_length);
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/* Inconsistent interfaces need casts! :-( */
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return (pmap_getport(&addr, (u_long)prognum, (u_long)versnum,
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(u_int)proto));
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}
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