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File: [cvs.NetBSD.org] / src / lib / libc / rpc / pmap_clnt.c (download)

Revision 1.19, Mon Mar 11 20:19:29 2013 UTC (11 years ago) by tron
Branch: MAIN
CVS Tags: yamt-pagecache-base9, tls-maxphys-base, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-10-base, netbsd-10-0-RELEASE, netbsd-10-0-RC6, netbsd-10-0-RC5, netbsd-10-0-RC4, netbsd-10-0-RC3, netbsd-10-0-RC2, netbsd-10-0-RC1, netbsd-10, matt-nb8-mediatek-base, matt-nb8-mediatek, localcount-20160914, is-mlppp-base, is-mlppp, cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, agc-symver-base, agc-symver
Changes since 1.18: +30 -28 lines

Replace previous Sun Microsystems, Inc. license with a standard
BSD 3-clause license granted by Oracle America, Inc..
This license change was approved by Wim Coekaerts, Senior Vice President,
Linux and Virtualization at Oracle Corporation.

This fixes PR lib/45293 by Pedro Giffuni.

/*	$NetBSD: pmap_clnt.c,v 1.19 2013/03/11 20:19:29 tron Exp $	*/

/*
 * Copyright (c) 2010, Oracle America, Inc.
 *
 * 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 the "Oracle America, 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.
 */

#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char *sccsid = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";
static char *sccsid = "@(#)pmap_clnt.c	2.2 88/08/01 4.0 RPCSRC";
#else
__RCSID("$NetBSD: pmap_clnt.c,v 1.19 2013/03/11 20:19:29 tron Exp $");
#endif
#endif

/*
 * pmap_clnt.c
 * Client interface to pmap rpc service.
 *
 * Copyright (C) 1984, Sun Microsystems, Inc.
 */

#include "namespace.h"

#include <unistd.h>

#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
#include <rpc/pmap_clnt.h>
#include <rpc/nettype.h>

#include <stdio.h>
#include <stdlib.h>

#include "rpc_internal.h"

#ifdef __weak_alias
__weak_alias(pmap_set,_pmap_set)
__weak_alias(pmap_unset,_pmap_unset)
#endif

bool_t
pmap_set(u_long program, u_long version, int protocol, int port)
{
	bool_t rslt;
	struct netbuf *na;
	struct netconfig *nconf;
	char buf[32];

	if ((protocol != IPPROTO_UDP) && (protocol != IPPROTO_TCP)) {
		return (FALSE);
	}
	nconf = __rpc_getconfip(protocol == IPPROTO_UDP ? "udp" : "tcp");
	if (nconf == NULL) {
		return (FALSE);
	}
	snprintf(buf, sizeof buf, "0.0.0.0.%d.%d", 
	    (((u_int32_t)port) >> 8) & 0xff, port & 0xff);
	na = uaddr2taddr(nconf, buf);
	if (na == NULL) {
		freenetconfigent(nconf);
		return (FALSE);
	}
	rslt = rpcb_set((rpcprog_t)program, (rpcvers_t)version, nconf, na);
	free(na);
	freenetconfigent(nconf);
	return (rslt);
}

/*
 * Remove the mapping between program, version and port.
 * Calls the pmap service remotely to do the un-mapping.
 */
bool_t
pmap_unset(u_long program, u_long version)
{
	struct netconfig *nconf;
	bool_t udp_rslt = FALSE;
	bool_t tcp_rslt = FALSE;

	nconf = __rpc_getconfip("udp");
	if (nconf != NULL) {
		udp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version,
		    nconf);
		freenetconfigent(nconf);
	}
	nconf = __rpc_getconfip("tcp");
	if (nconf != NULL) {
		tcp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version,
		    nconf);
		freenetconfigent(nconf);
	}
	/*
	 * XXX: The call may still succeed even if only one of the
	 * calls succeeded.  This was the best that could be
	 * done for backward compatibility.
	 */
	return (tcp_rslt || udp_rslt);
}