mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
#if !defined(lint) && defined(SCCSIDS)
|
|
static char sccsid[] = "@(#)svc_auth.c 2.1 88/08/07 4.0 RPCSRC; from 1.19 87/08/11 Copyr 1984 Sun Micro";
|
|
#endif
|
|
/*
|
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
|
* unrestricted use provided that this legend is included on all tape
|
|
* media and as a part of the software program in whole or part. Users
|
|
* may copy or modify Sun RPC without charge, but are not authorized
|
|
* to license or distribute it to anyone else except as part of a product or
|
|
* program developed by the user.
|
|
*
|
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
|
*
|
|
* Sun RPC is provided with no support and without any obligation on the
|
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
|
* modification or enhancement.
|
|
*
|
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
|
* OR ANY PART THEREOF.
|
|
*
|
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
|
* or profits or other special, indirect and consequential damages, even if
|
|
* Sun has been advised of the possibility of such damages.
|
|
*
|
|
* Sun Microsystems, Inc.
|
|
* 2550 Garcia Avenue
|
|
* Mountain View, California 94043
|
|
*/
|
|
|
|
/*
|
|
* svc_auth_nodes.c, Server-side rpc authenticator interface,
|
|
* *WITHOUT* DES authentication.
|
|
*
|
|
* Copyright (C) 1984, Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#include <rpc/rpc.h>
|
|
|
|
/*
|
|
* svcauthsw is the bdevsw of server side authentication.
|
|
*
|
|
* Server side authenticators are called from authenticate by
|
|
* using the client auth struct flavor field to index into svcauthsw.
|
|
* The server auth flavors must implement a routine that looks
|
|
* like:
|
|
*
|
|
* enum auth_stat
|
|
* flavorx_auth(rqst, msg)
|
|
* register struct svc_req *rqst;
|
|
* register struct rpc_msg *msg;
|
|
*
|
|
*/
|
|
|
|
enum auth_stat _svcauth_null(); /* no authentication */
|
|
enum auth_stat _svcauth_unix(); /* unix style (uid, gids) */
|
|
enum auth_stat _svcauth_short(); /* short hand unix style */
|
|
|
|
static struct {
|
|
enum auth_stat (*authenticator)();
|
|
} svcauthsw[] = {
|
|
_svcauth_null, /* AUTH_NULL */
|
|
_svcauth_unix, /* AUTH_UNIX */
|
|
_svcauth_short, /* AUTH_SHORT */
|
|
};
|
|
#define AUTH_MAX 2 /* HIGHEST AUTH NUMBER */
|
|
|
|
|
|
/*
|
|
* The call rpc message, msg has been obtained from the wire. The msg contains
|
|
* the raw form of credentials and verifiers. authenticate returns AUTH_OK
|
|
* if the msg is successfully authenticated. If AUTH_OK then the routine also
|
|
* does the following things:
|
|
* set rqst->rq_xprt->verf to the appropriate response verifier;
|
|
* sets rqst->rq_client_cred to the "cooked" form of the credentials.
|
|
*
|
|
* NB: rqst->rq_cxprt->verf must be pre-alloctaed;
|
|
* its length is set appropriately.
|
|
*
|
|
* The caller still owns and is responsible for msg->u.cmb.cred and
|
|
* msg->u.cmb.verf. The authentication system retains ownership of
|
|
* rqst->rq_client_cred, the cooked credentials.
|
|
*
|
|
* There is an assumption that any flavour less than AUTH_NULL is
|
|
* invalid.
|
|
*/
|
|
enum auth_stat
|
|
_authenticate(rqst, msg)
|
|
register struct svc_req *rqst;
|
|
struct rpc_msg *msg;
|
|
{
|
|
register int cred_flavor;
|
|
|
|
rqst->rq_cred = msg->rm_call.cb_cred;
|
|
rqst->rq_xprt->xp_verf.oa_flavor = _null_auth.oa_flavor;
|
|
rqst->rq_xprt->xp_verf.oa_length = 0;
|
|
cred_flavor = rqst->rq_cred.oa_flavor;
|
|
if ((cred_flavor <= AUTH_MAX) && (cred_flavor >= AUTH_NULL)) {
|
|
return ((*(svcauthsw[cred_flavor].authenticator))(rqst, msg));
|
|
}
|
|
|
|
return (AUTH_REJECTEDCRED);
|
|
}
|
|
|
|
enum auth_stat
|
|
_svcauth_null(/*rqst, msg*/)
|
|
/*struct svc_req *rqst;
|
|
struct rpc_msg *msg;*/
|
|
{
|
|
|
|
return (AUTH_OK);
|
|
}
|