1 /* @(#)pmap_getport.c 2.2 88/08/01 4.0 RPCSRC */ 2 /* 3 * Copyright (c) 2010, Oracle America, Inc. 4 * 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * * Neither the name of the "Oracle America, Inc." nor the names of 19 * its contributors may be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 23 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 25 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 26 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 28 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 29 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 #if !defined(lint) && defined(SCCSIDS) 35 static char sccsid[] = "@(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro"; 36 #endif 37 38 /* 39 * pmap_getport.c 40 * Client interface to pmap rpc service. 41 */ 42 43 #include <unistd.h> 44 #include <gssrpc/rpc.h> 45 #include <gssrpc/pmap_prot.h> 46 #include <gssrpc/pmap_clnt.h> 47 #include <sys/socket.h> 48 #ifdef OSF1 49 #include <net/route.h> 50 #include <sys/mbuf.h> 51 #endif 52 #include <net/if.h> 53 54 static struct timeval timeout = { 5, 0 }; 55 static struct timeval tottimeout = { 60, 0 }; 56 57 /* 58 * Find the mapped port for program,version. 59 * Calls the pmap service remotely to do the lookup. 60 * Returns 0 if no map exists. 61 */ 62 u_short 63 pmap_getport( 64 struct sockaddr_in *address, 65 rpcprog_t program, 66 rpcvers_t version, 67 rpcprot_t protocol) 68 { 69 unsigned short port = 0; 70 int sock = -1; 71 CLIENT *client; 72 struct pmap parms; 73 74 address->sin_port = htons(PMAPPORT); 75 client = clntudp_bufcreate(address, PMAPPROG, 76 PMAPVERS, timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 77 if (client != (CLIENT *)NULL) { 78 parms.pm_prog = program; 79 parms.pm_vers = version; 80 parms.pm_prot = protocol; 81 parms.pm_port = 0; /* not needed or used */ 82 if (CLNT_CALL(client, PMAPPROC_GETPORT, xdr_pmap, &parms, 83 xdr_u_short, &port, tottimeout) != RPC_SUCCESS){ 84 rpc_createerr.cf_stat = RPC_PMAPFAILURE; 85 clnt_geterr(client, &rpc_createerr.cf_error); 86 } else if (port == 0) { 87 rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED; 88 } 89 CLNT_DESTROY(client); 90 } 91 (void)close(sock); 92 address->sin_port = 0; 93 return (port); 94 } 95