xref: /netbsd-src/lib/libc/rpc/pmap_clnt.c (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: pmap_clnt.c,v 1.5 1997/07/21 14:08:30 jtc Exp $	*/
2 
3 /*
4  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5  * unrestricted use provided that this legend is included on all tape
6  * media and as a part of the software program in whole or part.  Users
7  * may copy or modify Sun RPC without charge, but are not authorized
8  * to license or distribute it to anyone else except as part of a product or
9  * program developed by the user.
10  *
11  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14  *
15  * Sun RPC is provided with no support and without any obligation on the
16  * part of Sun Microsystems, Inc. to assist in its use, correction,
17  * modification or enhancement.
18  *
19  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21  * OR ANY PART THEREOF.
22  *
23  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24  * or profits or other special, indirect and consequential damages, even if
25  * Sun has been advised of the possibility of such damages.
26  *
27  * Sun Microsystems, Inc.
28  * 2550 Garcia Avenue
29  * Mountain View, California  94043
30  */
31 
32 #include <sys/cdefs.h>
33 #if defined(LIBC_SCCS) && !defined(lint)
34 #if 0
35 static char *sccsid = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";
36 static char *sccsid = "@(#)pmap_clnt.c	2.2 88/08/01 4.0 RPCSRC";
37 #else
38 __RCSID("$NetBSD: pmap_clnt.c,v 1.5 1997/07/21 14:08:30 jtc Exp $");
39 #endif
40 #endif
41 
42 /*
43  * pmap_clnt.c
44  * Client interface to pmap rpc service.
45  *
46  * Copyright (C) 1984, Sun Microsystems, Inc.
47  */
48 
49 #include "namespace.h"
50 #include <rpc/rpc.h>
51 #include <rpc/pmap_prot.h>
52 #include <rpc/pmap_clnt.h>
53 #include <unistd.h>
54 
55 #ifdef __weak_alias
56 __weak_alias(pmap_set,_pmap_set);
57 __weak_alias(pmap_unset,_pmap_unset);
58 #endif
59 
60 static struct timeval timeout = { 5, 0 };
61 static struct timeval tottimeout = { 60, 0 };
62 
63 /*
64  * Set a mapping between program,version and port.
65  * Calls the pmap service remotely to do the mapping.
66  */
67 bool_t
68 pmap_set(program, version, protocol, port)
69 	u_long program;
70 	u_long version;
71 	int protocol;
72 	u_short port;
73 {
74 	struct sockaddr_in myaddress;
75 	int socket = -1;
76 	register CLIENT *client;
77 	struct pmap parms;
78 	bool_t rslt;
79 
80 	if (get_myaddress(&myaddress) != 0)
81 		return (FALSE);
82 	client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
83 	    timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
84 	if (client == (CLIENT *)NULL)
85 		return (FALSE);
86 	parms.pm_prog = program;
87 	parms.pm_vers = version;
88 	parms.pm_prot = protocol;
89 	parms.pm_port = port;
90 	if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,
91 	    tottimeout) != RPC_SUCCESS) {
92 		clnt_perror(client, "Cannot register service");
93 		return (FALSE);
94 	}
95 	CLNT_DESTROY(client);
96 	(void)close(socket);
97 	return (rslt);
98 }
99 
100 /*
101  * Remove the mapping between program,version and port.
102  * Calls the pmap service remotely to do the un-mapping.
103  */
104 bool_t
105 pmap_unset(program, version)
106 	u_long program;
107 	u_long version;
108 {
109 	struct sockaddr_in myaddress;
110 	int socket = -1;
111 	register CLIENT *client;
112 	struct pmap parms;
113 	bool_t rslt;
114 
115 	if (get_myaddress(&myaddress) != 0)
116 		return (FALSE);
117 	client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
118 	    timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
119 	if (client == (CLIENT *)NULL)
120 		return (FALSE);
121 	parms.pm_prog = program;
122 	parms.pm_vers = version;
123 	parms.pm_port = parms.pm_prot = 0;
124 	CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
125 	    tottimeout);
126 	CLNT_DESTROY(client);
127 	(void)close(socket);
128 	return (rslt);
129 }
130