Update.
[glibc.git] / sunrpc / pm_getport.c
blobb86472ccdfee136ed42fab9ebcd957c1db85151f
1 /* @(#)pmap_getport.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.
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.
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.
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.
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.
26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California 94043
30 #if !defined(lint) && defined(SCCSIDS)
31 static char sccsid[] = "@(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro";
32 #endif
35 * pmap_getport.c
36 * Client interface to pmap rpc service.
38 * Copyright (C) 1984, Sun Microsystems, Inc.
41 #include <rpc/rpc.h>
42 #include <rpc/pmap_prot.h>
43 #include <rpc/pmap_clnt.h>
44 #include <sys/socket.h>
46 static const struct timeval timeout =
47 {5, 0};
48 static const struct timeval tottimeout =
49 {60, 0};
52 * Find the mapped port for program,version.
53 * Calls the pmap service remotely to do the lookup.
54 * Returns 0 if no map exists.
56 u_short
57 pmap_getport (address, program, version, protocol)
58 struct sockaddr_in *address;
59 u_long program;
60 u_long version;
61 u_int protocol;
63 u_short port = 0;
64 int socket = -1;
65 CLIENT *client;
66 struct pmap parms;
68 address->sin_port = htons (PMAPPORT);
69 client = clntudp_bufcreate (address, PMAPPROG,
70 PMAPVERS, timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
71 if (client != (CLIENT *) NULL)
73 struct rpc_createerr *ce = &get_rpc_createerr ();
74 parms.pm_prog = program;
75 parms.pm_vers = version;
76 parms.pm_prot = protocol;
77 parms.pm_port = 0; /* not needed or used */
78 if (CLNT_CALL (client, PMAPPROC_GETPORT, (xdrproc_t)xdr_pmap,
79 (caddr_t)&parms, (xdrproc_t)xdr_u_short,
80 (caddr_t)&port, tottimeout) != RPC_SUCCESS)
82 ce->cf_stat = RPC_PMAPFAILURE;
83 clnt_geterr (client, &ce->cf_error);
85 else if (port == 0)
87 ce->cf_stat = RPC_PROGNOTREGISTERED;
89 CLNT_DESTROY (client);
91 /* (void)close(socket); CLNT_DESTROY already closed it */
92 address->sin_port = 0;
93 return port;