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: @(#)clnt_generic.c 1.4 87/08/11 (C) 1987 SMI";*/ 55/*static char *sccsid = "from: @(#)clnt_generic.c 2.2 88/08/01 4.0 RPCSRC";*/ 56static char *rcsid = "$Id: clnt_generic.c,v 1.3 2002/02/19 20:36:22 epeyton Exp $"; 57#endif 58 59/* 60 * Copyright (C) 1987, Sun Microsystems, Inc. 61 */ 62#include <string.h> 63#include <rpc/rpc.h> 64#include <sys/socket.h> 65#include <sys/errno.h> 66#include <netdb.h> 67 68/* 69 * Generic client creation: takes (hostname, program-number, protocol) and 70 * returns client handle. Default options are set, which the user can 71 * change using the rpc equivalent of ioctl()'s. 72 */ 73CLIENT * 74clnt_create(hostname, prog, vers, proto) 75#ifdef __LP64__ 76 char *hostname; 77 uint32_t prog; 78 uint32_t vers; 79 char *proto; 80#else 81 char *hostname; 82 u_long prog; 83 u_long vers; 84 char *proto; 85#endif 86{ 87 struct hostent *h; 88 struct protoent *p; 89 struct sockaddr_in sin; 90 int sock; 91 struct timeval tv; 92 CLIENT *client; 93 94 h = gethostbyname(hostname); 95 if (h == NULL) { 96 rpc_createerr.cf_stat = RPC_UNKNOWNHOST; 97 return (NULL); 98 } 99 if (h->h_addrtype != AF_INET) { 100 /* 101 * Only support INET for now 102 */ 103 rpc_createerr.cf_stat = RPC_SYSTEMERROR; 104 rpc_createerr.cf_error.re_errno = EAFNOSUPPORT; 105 return (NULL); 106 } 107 bzero((char *)&sin, sizeof sin); 108 sin.sin_family = h->h_addrtype; 109 sin.sin_port = 0; 110 bcopy(h->h_addr, (char*)&sin.sin_addr, h->h_length); 111 p = getprotobyname(proto); 112 if (p == NULL) { 113 rpc_createerr.cf_stat = RPC_UNKNOWNPROTO; 114 rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; 115 return (NULL); 116 } 117 sock = RPC_ANYSOCK; 118 switch (p->p_proto) { 119 case IPPROTO_UDP: 120 tv.tv_sec = 5; 121 tv.tv_usec = 0; 122 client = clntudp_create(&sin, prog, vers, tv, &sock); 123 if (client == NULL) { 124 return (NULL); 125 } 126 break; 127 case IPPROTO_TCP: 128 client = clnttcp_create(&sin, prog, vers, &sock, 0, 0); 129 if (client == NULL) { 130 return (NULL); 131 } 132 break; 133 default: 134 rpc_createerr.cf_stat = RPC_SYSTEMERROR; 135 rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; 136 return (NULL); 137 } 138 return (client); 139} 140