freebsd-skq/lib/libc/rpc/getrpcport.c

76 lines
2.7 KiB
C

/* $NetBSD: getrpcport.c,v 1.16 2000/01/22 22:19:18 mycroft Exp $ */
/*-
* Copyright (c) 2009, Sun Microsystems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Sun Microsystems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char *sccsid2 = "@(#)getrpcport.c 1.3 87/08/11 SMI";
static char *sccsid = "@(#)getrpcport.c 2.1 88/07/29 4.0 RPCSRC";
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* Copyright (c) 1985 by Sun Microsystems, Inc.
*/
#include "namespace.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <assert.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include <rpc/rpc.h>
#include <rpc/pmap_clnt.h>
#include "un-namespace.h"
int
getrpcport(char *host, int prognum, int versnum, int proto)
{
struct sockaddr_in addr;
struct hostent *hp;
assert(host != NULL);
if ((hp = gethostbyname(host)) == NULL)
return (0);
memset(&addr, 0, sizeof(addr));
addr.sin_len = sizeof(struct sockaddr_in);
addr.sin_family = AF_INET;
addr.sin_port = 0;
if (hp->h_length > addr.sin_len)
hp->h_length = addr.sin_len;
memcpy(&addr.sin_addr.s_addr, hp->h_addr, (size_t)hp->h_length);
/* Inconsistent interfaces need casts! :-( */
return (pmap_getport(&addr, (u_long)prognum, (u_long)versnum,
(u_int)proto));
}