1/* 2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights 7 * Reserved. This file contains Original Code and/or Modifications of 8 * Original Code as defined in and that are subject to the Apple Public 9 * Source License Version 1.1 (the "License"). You may not use this file 10 * except in compliance with the License. Please obtain a copy of the 11 * License at http://www.apple.com/publicsource and read it before using 12 * this file. 13 * 14 * The Original Code and all software distributed under the License are 15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER 16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the 19 * License for the specific language governing rights and limitations 20 * under the License. 21 * 22 * @APPLE_LICENSE_HEADER_END@ 23 */ 24/* 25 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 26 * unrestricted use provided that this legend is included on all tape 27 * media and as a part of the software program in whole or part. Users 28 * may copy or modify Sun RPC without charge, but are not authorized 29 * to license or distribute it to anyone else except as part of a product or 30 * program developed by the user. 31 * 32 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 33 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 34 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 35 * 36 * Sun RPC is provided with no support and without any obligation on the 37 * part of Sun Microsystems, Inc. to assist in its use, correction, 38 * modification or enhancement. 39 * 40 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 41 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 42 * OR ANY PART THEREOF. 43 * 44 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 45 * or profits or other special, indirect and consequential damages, even if 46 * Sun has been advised of the possibility of such damages. 47 * 48 * Sun Microsystems, Inc. 49 * 2550 Garcia Avenue 50 * Mountain View, California 94043 51 */ 52 53#if defined(LIBC_SCCS) && !defined(lint) 54/*static char *sccsid = "from: @(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro";*/ 55/*static char *sccsid = "from: @(#)pmap_getport.c 2.2 88/08/01 4.0 RPCSRC";*/ 56static char *rcsid = "$Id: pmap_getport.c,v 1.4 2004/12/19 22:45:44 zarzycki Exp $"; 57#endif 58 59/* 60 * pmap_getport.c 61 * Client interface to pmap rpc service. 62 * 63 * Copyright (C) 1984, Sun Microsystems, Inc. 64 */ 65 66#include <unistd.h> 67#include <rpc/rpc.h> 68#include <rpc/pmap_prot.h> 69#include <rpc/pmap_clnt.h> 70#include <sys/socket.h> 71#include <net/if.h> 72 73static struct timeval default_timeout = { 5, 0 }; 74 75/* 76 * Find the mapped port for program,version. 77 * Calls the pmap service remotely to do the lookup. 78 * Returns 0 if no map exists. 79 */ 80u_short 81pmap_getport_timeout(struct sockaddr_in *address, uint32_t program, uint32_t version, uint32_t protocol, struct timeval *timeout, struct timeval *totaltimeout) 82{ 83 u_short port; 84 int socket; 85 register CLIENT *client; 86 struct pmap parms; 87 enum clnt_stat status; 88 struct timeval real_t, real_tt; 89 90 real_t = default_timeout; 91 if (timeout != NULL) real_t = *timeout; 92 93 real_tt = default_timeout; 94 if (totaltimeout != NULL) real_tt = *totaltimeout; 95 96 port = 0; 97 socket = -1; 98 address->sin_port = htons(PMAPPORT); 99 client = clntudp_bufcreate(address, PMAPPROG, PMAPVERS, real_t, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 100 if (client != NULL) 101 { 102 parms.pm_prog = program; 103 parms.pm_vers = version; 104 parms.pm_prot = protocol; 105 /* not needed or used */ 106 parms.pm_port = 0; 107 108 status = CLNT_CALL(client, PMAPPROC_GETPORT, (xdrproc_t)xdr_pmap, &parms, (xdrproc_t)xdr_u_short, &port, real_tt); 109 if (status != RPC_SUCCESS) 110 { 111 rpc_createerr.cf_stat = RPC_PMAPFAILURE; 112 clnt_geterr(client, &rpc_createerr.cf_error); 113 } 114 else if (port == 0) 115 { 116 rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED; 117 } 118 119 CLNT_DESTROY(client); 120 } 121 122 close(socket); 123 address->sin_port = 0; 124 return port; 125} 126 127u_short 128pmap_getport(address, program, version, protocol) 129#ifdef __LP64__ 130 struct sockaddr_in *address; 131 uint32_t program; 132 uint32_t version; 133 uint32_t protocol; 134#else 135 struct sockaddr_in *address; 136 u_long program; 137 u_long version; 138 u_int protocol; 139#endif 140{ 141 return pmap_getport_timeout(address, (uint32_t)program, (uint32_t)version, (uint32_t)protocol, NULL, NULL); 142} 143 144