/* @(#)pmap_getport.c 2.2 88/08/01 4.0 RPCSRC */ /* * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * unrestricted use provided that this legend is included on all tape * media and as a part of the software program in whole or part. Users * may copy or modify Sun RPC without charge, but are not authorized * to license or distribute it to anyone else except as part of a product or * program developed by the user. * * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. * * Sun RPC is provided with no support and without any obligation on the * part of Sun Microsystems, Inc. to assist in its use, correction, * modification or enhancement. * * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC * OR ANY PART THEREOF. * * In no event will Sun Microsystems, Inc. be liable for any lost revenue * or profits or other special, indirect and consequential damages, even if * Sun has been advised of the possibility of such damages. * * Sun Microsystems, Inc. * 2550 Garcia Avenue * Mountain View, California 94043 */ #if 0 static char sccsid[] = "@(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro"; #endif /* * pmap_getport.c * Client interface to pmap rpc service. * * Copyright (C) 1984, Sun Microsystems, Inc. */ #include <stdbool.h> #include <unistd.h> #include <rpc/rpc.h> #include <rpc/pmap_prot.h> #include <rpc/pmap_clnt.h> static const struct timeval timeout = {5, 0}; static const struct timeval tottimeout = {60, 0}; /* * Find the mapped port for program,version. * Calls the pmap service remotely to do the lookup. * Returns 0 if no map exists. */ u_short pmap_getport (struct sockaddr_in *address, u_long program, u_long version, u_int protocol) { u_short port = 0; int _socket = -1; CLIENT *client; struct pmap parms; address->sin_port = htons (PMAPPORT); client = clntudp_bufcreate (address, PMAPPROG, PMAPVERS, timeout, &_socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); if (client != (CLIENT *) NULL) { struct rpc_createerr *ce = &get_rpc_createerr (); parms.pm_prog = program; parms.pm_vers = version; parms.pm_prot = protocol; parms.pm_port = 0; /* not needed or used */ if (CLNT_CALL (client, PMAPPROC_GETPORT, (xdrproc_t)xdr_pmap, (caddr_t)&parms, (xdrproc_t)xdr_u_short, (caddr_t)&port, tottimeout) != RPC_SUCCESS) { ce->cf_stat = RPC_PMAPFAILURE; clnt_geterr (client, &ce->cf_error); } else if (port == 0) { ce->cf_stat = RPC_PROGNOTREGISTERED; } CLNT_DESTROY (client); } /* (void)__close(_socket); CLNT_DESTROY already closed it */ address->sin_port = 0; return port; } libc_hidden_def(pmap_getport)