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: @(#)svc_auth.c 1.19 87/08/11 Copyr 1984 Sun Micro";*/ 55/*static char *sccsid = "from: @(#)svc_auth.c 2.1 88/08/07 4.0 RPCSRC";*/ 56static char *rcsid = "$Id: svc_auth.c,v 1.3 2002/02/19 20:36:25 epeyton Exp $"; 57#endif 58 59/* 60 * svc_auth_nodes.c, Server-side rpc authenticator interface, 61 * *WITHOUT* DES authentication. 62 * 63 * Copyright (C) 1984, Sun Microsystems, Inc. 64 */ 65 66#include <rpc/rpc.h> 67 68/* 69 * svcauthsw is the bdevsw of server side authentication. 70 * 71 * Server side authenticators are called from authenticate by 72 * using the client auth struct flavor field to index into svcauthsw. 73 * The server auth flavors must implement a routine that looks 74 * like: 75 * 76 * enum auth_stat 77 * flavorx_auth(rqst, msg) 78 * register struct svc_req *rqst; 79 * register struct rpc_msg *msg; 80 * 81 */ 82 83enum auth_stat _svcauth_null(); /* no authentication */ 84enum auth_stat _svcauth_unix(); /* unix style (uid, gids) */ 85enum auth_stat _svcauth_short(); /* short hand unix style */ 86 87static struct { 88 enum auth_stat (*authenticator)(); 89} svcauthsw[] = { 90 { _svcauth_null }, /* AUTH_NULL */ 91 { _svcauth_unix }, /* AUTH_UNIX */ 92 { _svcauth_short }, /* AUTH_SHORT */ 93}; 94#define AUTH_MAX 2 /* HIGHEST AUTH NUMBER */ 95 96 97/* 98 * The call rpc message, msg has been obtained from the wire. The msg contains 99 * the raw form of credentials and verifiers. authenticate returns AUTH_OK 100 * if the msg is successfully authenticated. If AUTH_OK then the routine also 101 * does the following things: 102 * set rqst->rq_xprt->verf to the appropriate response verifier; 103 * sets rqst->rq_client_cred to the "cooked" form of the credentials. 104 * 105 * NB: rqst->rq_cxprt->verf must be pre-alloctaed; 106 * its length is set appropriately. 107 * 108 * The caller still owns and is responsible for msg->u.cmb.cred and 109 * msg->u.cmb.verf. The authentication system retains ownership of 110 * rqst->rq_client_cred, the cooked credentials. 111 * 112 * There is an assumption that any flavour less than AUTH_NULL is 113 * invalid. 114 */ 115enum auth_stat 116_authenticate(rqst, msg) 117 register struct svc_req *rqst; 118 struct rpc_msg *msg; 119{ 120 register int cred_flavor; 121 122 rqst->rq_cred = msg->rm_call.cb_cred; 123 rqst->rq_xprt->xp_verf.oa_flavor = _null_auth.oa_flavor; 124 rqst->rq_xprt->xp_verf.oa_length = 0; 125 cred_flavor = rqst->rq_cred.oa_flavor; 126 if ((cred_flavor <= AUTH_MAX) && (cred_flavor >= AUTH_NULL)) { 127 return ((*(svcauthsw[cred_flavor].authenticator))(rqst, msg)); 128 } 129 130 return (AUTH_REJECTEDCRED); 131} 132 133enum auth_stat 134_svcauth_null(/*rqst, msg*/) 135 /*struct svc_req *rqst; 136 struct rpc_msg *msg;*/ 137{ 138 139 return (AUTH_OK); 140} 141