projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | #if !defined(lint) && defined(SCCSIDS) |
| 2 | static char sccsid[] = "@(#)svc_auth.c 2.1 88/08/07 4.0 RPCSRC; from 1.19 87/08/11 Copyr 1984 Sun Micro"; | |
| 3 | #endif | |
| 4 | /* | |
| 5 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for | |
| 6 | * unrestricted use provided that this legend is included on all tape | |
| 7 | * media and as a part of the software program in whole or part. Users | |
| 8 | * may copy or modify Sun RPC without charge, but are not authorized | |
| 9 | * to license or distribute it to anyone else except as part of a product or | |
| 10 | * program developed by the user. | |
| 11 | * | |
| 12 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE | |
| 13 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR | |
| 14 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. | |
| 15 | * | |
| 16 | * Sun RPC is provided with no support and without any obligation on the | |
| 17 | * part of Sun Microsystems, Inc. to assist in its use, correction, | |
| 18 | * modification or enhancement. | |
| 19 | * | |
| 20 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE | |
| 21 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC | |
| 22 | * OR ANY PART THEREOF. | |
| 23 | * | |
| 24 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue | |
| 25 | * or profits or other special, indirect and consequential damages, even if | |
| 26 | * Sun has been advised of the possibility of such damages. | |
| 27 | * | |
| 28 | * Sun Microsystems, Inc. | |
| 29 | * 2550 Garcia Avenue | |
| 30 | * Mountain View, California 94043 | |
| 31 | */ | |
| 32 | ||
| 33 | /* | |
| 34 | * svc_auth_nodes.c, Server-side rpc authenticator interface, | |
| 35 | * *WITHOUT* DES authentication. | |
| 36 | * | |
| 37 | * Copyright (C) 1984, Sun Microsystems, Inc. | |
| 38 | */ | |
| 39 | ||
| 40 | #include <rpc/rpc.h> | |
| 41 | ||
| 42 | /* | |
| 43 | * svcauthsw is the bdevsw of server side authentication. | |
| 44 | * | |
| 45 | * Server side authenticators are called from authenticate by | |
| 46 | * using the client auth struct flavor field to index into svcauthsw. | |
| 47 | * The server auth flavors must implement a routine that looks | |
| 48 | * like: | |
| 49 | * | |
| 50 | * enum auth_stat | |
| 51 | * flavorx_auth(rqst, msg) | |
| 52 | * register struct svc_req *rqst; | |
| 53 | * register struct rpc_msg *msg; | |
| 54 | * | |
| 55 | */ | |
| 56 | ||
| 57 | enum auth_stat _svcauth_null(); /* no authentication */ | |
| 58 | enum auth_stat _svcauth_unix(); /* unix style (uid, gids) */ | |
| 59 | enum auth_stat _svcauth_short(); /* short hand unix style */ | |
| 60 | ||
| 61 | static struct { | |
| 62 | enum auth_stat (*authenticator)(); | |
| 63 | } svcauthsw[] = { | |
| 64 | _svcauth_null, /* AUTH_NULL */ | |
| 65 | _svcauth_unix, /* AUTH_UNIX */ | |
| 66 | _svcauth_short, /* AUTH_SHORT */ | |
| 67 | }; | |
| 68 | #define AUTH_MAX 2 /* HIGHEST AUTH NUMBER */ | |
| 69 | ||
| 70 | ||
| 71 | /* | |
| 72 | * The call rpc message, msg has been obtained from the wire. The msg contains | |
| 73 | * the raw form of credentials and verifiers. authenticate returns AUTH_OK | |
| 74 | * if the msg is successfully authenticated. If AUTH_OK then the routine also | |
| 75 | * does the following things: | |
| 76 | * set rqst->rq_xprt->verf to the appropriate response verifier; | |
| 77 | * sets rqst->rq_client_cred to the "cooked" form of the credentials. | |
| 78 | * | |
| 79 | * NB: rqst->rq_cxprt->verf must be pre-alloctaed; | |
| 80 | * its length is set appropriately. | |
| 81 | * | |
| 82 | * The caller still owns and is responsible for msg->u.cmb.cred and | |
| 83 | * msg->u.cmb.verf. The authentication system retains ownership of | |
| 84 | * rqst->rq_client_cred, the cooked credentials. | |
| 85 | * | |
| 86 | * There is an assumption that any flavour less than AUTH_NULL is | |
| 87 | * invalid. | |
| 88 | */ | |
| 89 | enum auth_stat | |
| 90 | _authenticate(rqst, msg) | |
| 91 | register struct svc_req *rqst; | |
| 92 | struct rpc_msg *msg; | |
| 93 | { | |
| 94 | register int cred_flavor; | |
| 95 | ||
| 96 | rqst->rq_cred = msg->rm_call.cb_cred; | |
| 97 | rqst->rq_xprt->xp_verf.oa_flavor = _null_auth.oa_flavor; | |
| 98 | rqst->rq_xprt->xp_verf.oa_length = 0; | |
| 99 | cred_flavor = rqst->rq_cred.oa_flavor; | |
| 100 | if ((cred_flavor <= AUTH_MAX) && (cred_flavor >= AUTH_NULL)) { | |
| 101 | return ((*(svcauthsw[cred_flavor].authenticator))(rqst, msg)); | |
| 102 | } | |
| 103 | ||
| 104 | return (AUTH_REJECTEDCRED); | |
| 105 | } | |
| 106 | ||
| 107 | enum auth_stat | |
| 108 | _svcauth_null(/*rqst, msg*/) | |
| 109 | /*struct svc_req *rqst; | |
| 110 | struct rpc_msg *msg;*/ | |
| 111 | { | |
| 112 | ||
| 113 | return (AUTH_OK); | |
| 114 | } |