| /* |
| * 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. |
| */ |
| /* |
| * pmap_getport.c |
| * Client interface to pmap rpc service. |
| * |
| * Copyright (C) 1984, Sun Microsystems, Inc. |
| */ |
| |
| #include <config.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 }; |
| |
| /* |
| * 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) |
| { |
| struct pmap parms; |
| u_short port = 0; |
| int sock = -1; |
| CLIENT *client; |
| AUTH *auth; |
| |
| assert(address != NULL); |
| |
| address->sin_port = htons(PMAPPORT); |
| client = |
| clntudp_nbufcreate(address, PMAPPROG, PMAPVERS, timeout, &sock, |
| RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); |
| if (client != NULL) { |
| auth = authnone_create(); /* idempotent */ |
| parms.pm_prog = program; |
| parms.pm_vers = version; |
| parms.pm_prot = protocol; |
| parms.pm_port = 0; /* not needed or used */ |
| if (CLNT_CALL |
| (client, auth, (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); |
| } |