xref: /original-bsd/lib/librpc/rpc/pmap_clnt.c (revision fbcc2ded)
1 /* @(#)pmap_clnt.c	2.2 88/08/01 4.0 RPCSRC */
2 /*
3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
4  * unrestricted use provided that this legend is included on all tape
5  * media and as a part of the software program in whole or part.  Users
6  * may copy or modify Sun RPC without charge, but are not authorized
7  * to license or distribute it to anyone else except as part of a product or
8  * program developed by the user.
9  *
10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13  *
14  * Sun RPC is provided with no support and without any obligation on the
15  * part of Sun Microsystems, Inc. to assist in its use, correction,
16  * modification or enhancement.
17  *
18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20  * OR ANY PART THEREOF.
21  *
22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23  * or profits or other special, indirect and consequential damages, even if
24  * Sun has been advised of the possibility of such damages.
25  *
26  * Sun Microsystems, Inc.
27  * 2550 Garcia Avenue
28  * Mountain View, California  94043
29  */
30 #if !defined(lint) && defined(SCCSIDS)
31 static char sccsid[] = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";
32 #endif
33 
34 /*
35  * pmap_clnt.c
36  * Client interface to pmap rpc service.
37  *
38  * Copyright (C) 1984, Sun Microsystems, Inc.
39  */
40 
41 #include <rpc/rpc.h>
42 #include <rpc/pmap_prot.h>
43 #include <rpc/pmap_clnt.h>
44 
45 static struct timeval timeout = { 5, 0 };
46 static struct timeval tottimeout = { 60, 0 };
47 
48 void clnt_perror();
49 
50 
51 /*
52  * Set a mapping between program,version and port.
53  * Calls the pmap service remotely to do the mapping.
54  */
55 bool_t
56 pmap_set(program, version, protocol, port)
57 	u_long program;
58 	u_long version;
59 	int protocol;
60 	u_short port;
61 {
62 	struct sockaddr_in myaddress;
63 	int socket = -1;
64 	register CLIENT *client;
65 	struct pmap parms;
66 	bool_t rslt;
67 
68 	get_myaddress(&myaddress);
69 	client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
70 	    timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
71 	if (client == (CLIENT *)NULL)
72 		return (FALSE);
73 	parms.pm_prog = program;
74 	parms.pm_vers = version;
75 	parms.pm_prot = protocol;
76 	parms.pm_port = port;
77 	if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,
78 	    tottimeout) != RPC_SUCCESS) {
79 		clnt_perror(client, "Cannot register service");
80 		return (FALSE);
81 	}
82 	CLNT_DESTROY(client);
83 	(void)close(socket);
84 	return (rslt);
85 }
86 
87 /*
88  * Remove the mapping between program,version and port.
89  * Calls the pmap service remotely to do the un-mapping.
90  */
91 bool_t
92 pmap_unset(program, version)
93 	u_long program;
94 	u_long version;
95 {
96 	struct sockaddr_in myaddress;
97 	int socket = -1;
98 	register CLIENT *client;
99 	struct pmap parms;
100 	bool_t rslt;
101 
102 	get_myaddress(&myaddress);
103 	client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
104 	    timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
105 	if (client == (CLIENT *)NULL)
106 		return (FALSE);
107 	parms.pm_prog = program;
108 	parms.pm_vers = version;
109 	parms.pm_port = parms.pm_prot = 0;
110 	CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
111 	    tottimeout);
112 	CLNT_DESTROY(client);
113 	(void)close(socket);
114 	return (rslt);
115 }
116