128 lines
3.8 KiB
C
128 lines
3.8 KiB
C
/* $NetBSD: pmap_clnt.c,v 1.19 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 = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";
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static char *sccsid = "@(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC";
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#else
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__RCSID("$NetBSD: pmap_clnt.c,v 1.19 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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* pmap_clnt.c
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* Client interface to pmap rpc service.
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*/
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#include "namespace.h"
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#include <unistd.h>
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#include <rpc/rpc.h>
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#include <rpc/pmap_prot.h>
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#include <rpc/pmap_clnt.h>
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#include <rpc/nettype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "rpc_internal.h"
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#ifdef __weak_alias
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__weak_alias(pmap_set,_pmap_set)
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__weak_alias(pmap_unset,_pmap_unset)
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#endif
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bool_t
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pmap_set(u_long program, u_long version, int protocol, int port)
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{
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bool_t rslt;
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struct netbuf *na;
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struct netconfig *nconf;
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char buf[32];
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if ((protocol != IPPROTO_UDP) && (protocol != IPPROTO_TCP)) {
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return (FALSE);
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}
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nconf = __rpc_getconfip(protocol == IPPROTO_UDP ? "udp" : "tcp");
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if (nconf == NULL) {
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return (FALSE);
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}
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snprintf(buf, sizeof buf, "0.0.0.0.%d.%d",
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(((u_int32_t)port) >> 8) & 0xff, port & 0xff);
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na = uaddr2taddr(nconf, buf);
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if (na == NULL) {
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freenetconfigent(nconf);
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return (FALSE);
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}
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rslt = rpcb_set((rpcprog_t)program, (rpcvers_t)version, nconf, na);
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free(na);
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freenetconfigent(nconf);
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return (rslt);
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}
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/*
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* Remove the mapping between program, version and port.
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* Calls the pmap service remotely to do the un-mapping.
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*/
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bool_t
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pmap_unset(u_long program, u_long version)
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{
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struct netconfig *nconf;
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bool_t udp_rslt = FALSE;
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bool_t tcp_rslt = FALSE;
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nconf = __rpc_getconfip("udp");
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if (nconf != NULL) {
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udp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version,
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nconf);
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freenetconfigent(nconf);
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}
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nconf = __rpc_getconfip("tcp");
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if (nconf != NULL) {
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tcp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version,
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nconf);
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freenetconfigent(nconf);
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}
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/*
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* XXX: The call may still succeed even if only one of the
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* calls succeeded. This was the best that could be
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* done for backward compatibility.
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*/
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return (tcp_rslt || udp_rslt);
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}
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