pmap_getport.c

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/*
 * Copyright (c) 2009, Sun Microsystems, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of Sun Microsystems, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#include <wintirpc.h>
#include <sys/types.h>
//#include <sys/socket.h>
 
//#include <arpa/inet.h>
//#include <net/if.h>
 
#include <assert.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 };
 
#ifdef _WIN32
/*
 * pmap_getport.c
 * Client interface to pmap rpc service.
 *
 * Copyright (C) 1984, Sun Microsystems, Inc.
 */
/*
 * 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(address, program, version, protocol)
    struct sockaddr_in *address;
    u_long program;
    u_long version;
    u_int protocol;
{
    return (u_short)2049;
}
#else 
/*
 * 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(address, program, version, protocol)
    struct sockaddr_in *address;
    u_long program;
    u_long version;
    u_int protocol;
{
    u_short port = 0;
    int sock = -1;
    CLIENT *client;
    struct pmap parms;
 
    assert(address != NULL);
 
    address->sin_port = htons(PMAPPORT);
    client = clntudp_bufcreate(address, PMAPPROG,
        PMAPVERS, timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
    if (client != NULL) {
        parms.pm_prog = program;
        parms.pm_vers = version;
        parms.pm_prot = protocol;
        parms.pm_port = 0;  /* not needed or used */
        if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_GETPORT,
            (xdrproc_t)xdr_pmap,
            &parms, (xdrproc_t)xdr_u_short, &port, tottimeout) !=
            RPC_SUCCESS){
            rpc_createerr.cf_stat = RPC_PMAPFAILURE;
            clnt_geterr(client, &rpc_createerr.cf_error);
        } else if (port == 0) {
            rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
        }
        CLNT_DESTROY(client);
    }
    address->sin_port = 0;
    return (port);
}
#endif /* ! _WIN32 */