1 /* $NetBSD: pmap_clnt.c,v 1.16 2000/07/06 03:10:34 christos Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (c) 2009, Sun Microsystems, Inc.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 * - Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
16 * - Neither the name of Sun Microsystems, 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 "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * pmap_clnt.c
35 * Client interface to pmap rpc service.
36 *
37 * Copyright (C) 1984, Sun Microsystems, Inc.
38 */
39
40 #include "namespace.h"
41 #include <sys/types.h>
42 #include <sys/stat.h>
43 #include <unistd.h>
44
45 #include <rpc/rpc.h>
46 #include <rpc/pmap_prot.h>
47 #include <rpc/pmap_clnt.h>
48 #include <rpc/nettype.h>
49 #include <netinet/in.h>
50 #include "un-namespace.h"
51
52 #include <stdio.h>
53 #include <stdlib.h>
54
55 #include "rpc_com.h"
56
57 bool_t
pmap_set(u_long program,u_long version,int protocol,int port)58 pmap_set(u_long program, u_long version, int protocol, int port)
59 {
60 bool_t rslt;
61 struct netbuf *na;
62 struct netconfig *nconf;
63 char buf[32];
64
65 if ((protocol != IPPROTO_UDP) && (protocol != IPPROTO_TCP)) {
66 return (FALSE);
67 }
68 nconf = __rpc_getconfip(protocol == IPPROTO_UDP ? "udp" : "tcp");
69 if (nconf == NULL) {
70 return (FALSE);
71 }
72 snprintf(buf, sizeof buf, "0.0.0.0.%d.%d",
73 (((u_int32_t)port) >> 8) & 0xff, port & 0xff);
74 na = uaddr2taddr(nconf, buf);
75 if (na == NULL) {
76 freenetconfigent(nconf);
77 return (FALSE);
78 }
79 rslt = rpcb_set((rpcprog_t)program, (rpcvers_t)version, nconf, na);
80 free(na);
81 freenetconfigent(nconf);
82 return (rslt);
83 }
84
85 /*
86 * Remove the mapping between program, version and port.
87 * Calls the pmap service remotely to do the un-mapping.
88 */
89 bool_t
pmap_unset(u_long program,u_long version)90 pmap_unset(u_long program, u_long version)
91 {
92 struct netconfig *nconf;
93 bool_t udp_rslt = FALSE;
94 bool_t tcp_rslt = FALSE;
95
96 nconf = __rpc_getconfip("udp");
97 if (nconf != NULL) {
98 udp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version,
99 nconf);
100 freenetconfigent(nconf);
101 }
102 nconf = __rpc_getconfip("tcp");
103 if (nconf != NULL) {
104 tcp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version,
105 nconf);
106 freenetconfigent(nconf);
107 }
108 /*
109 * XXX: The call may still succeed even if only one of the
110 * calls succeeded. This was the best that could be
111 * done for backward compatibility.
112 */
113 return (tcp_rslt || udp_rslt);
114 }
115