1 /* $NetBSD: pmap_clnt.c,v 1.16 2000/07/06 03:10:34 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2009, Sun Microsystems, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * - Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 * - Neither the name of Sun Microsystems, Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #if defined(LIBC_SCCS) && !defined(lint)
32 static char *sccsid2 = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";
33 static char *sccsid = "@(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC";
34 #endif
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
37
38 /*
39 * pmap_clnt.c
40 * Client interface to pmap rpc service.
41 *
42 * Copyright (C) 1984, Sun Microsystems, Inc.
43 */
44
45 #include "namespace.h"
46 #include <sys/types.h>
47 #include <sys/stat.h>
48 #include <unistd.h>
49
50 #include <rpc/rpc.h>
51 #include <rpc/pmap_prot.h>
52 #include <rpc/pmap_clnt.h>
53 #include <rpc/nettype.h>
54 #include <netinet/in.h>
55 #include "un-namespace.h"
56
57 #include <stdio.h>
58 #include <stdlib.h>
59
60 #include "rpc_com.h"
61
62 bool_t
pmap_set(u_long program,u_long version,int protocol,int port)63 pmap_set(u_long program, u_long version, int protocol, int port)
64 {
65 bool_t rslt;
66 struct netbuf *na;
67 struct netconfig *nconf;
68 char buf[32];
69
70 if ((protocol != IPPROTO_UDP) && (protocol != IPPROTO_TCP)) {
71 return (FALSE);
72 }
73 nconf = __rpc_getconfip(protocol == IPPROTO_UDP ? "udp" : "tcp");
74 if (nconf == NULL) {
75 return (FALSE);
76 }
77 snprintf(buf, sizeof buf, "0.0.0.0.%d.%d",
78 (((u_int32_t)port) >> 8) & 0xff, port & 0xff);
79 na = uaddr2taddr(nconf, buf);
80 if (na == NULL) {
81 freenetconfigent(nconf);
82 return (FALSE);
83 }
84 rslt = rpcb_set((rpcprog_t)program, (rpcvers_t)version, nconf, na);
85 free(na);
86 freenetconfigent(nconf);
87 return (rslt);
88 }
89
90 /*
91 * Remove the mapping between program, version and port.
92 * Calls the pmap service remotely to do the un-mapping.
93 */
94 bool_t
pmap_unset(u_long program,u_long version)95 pmap_unset(u_long program, u_long version)
96 {
97 struct netconfig *nconf;
98 bool_t udp_rslt = FALSE;
99 bool_t tcp_rslt = FALSE;
100
101 nconf = __rpc_getconfip("udp");
102 if (nconf != NULL) {
103 udp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version,
104 nconf);
105 freenetconfigent(nconf);
106 }
107 nconf = __rpc_getconfip("tcp");
108 if (nconf != NULL) {
109 tcp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version,
110 nconf);
111 freenetconfigent(nconf);
112 }
113 /*
114 * XXX: The call may still succeed even if only one of the
115 * calls succeeded. This was the best that could be
116 * done for backward compatibility.
117 */
118 return (tcp_rslt || udp_rslt);
119 }
120