mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
9f5afc134f
so that the underscored versions of the pthread functions get declared. This removes around 300 lines of 'implicit declaration of XXX' warnings from the output of a libc build with -Wall. Reviewed by: Martin Blapp <mb@imp.ch>, alfred
214 lines
5.7 KiB
C
214 lines
5.7 KiB
C
/* $NetBSD: svc_auth.c,v 1.12 2000/07/06 03:10:35 christos Exp $ */
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
/*
|
|
* Copyright (c) 1986-1991 by Sun Microsystems Inc.
|
|
*/
|
|
|
|
/* #ident "@(#)svc_auth.c 1.16 94/04/24 SMI" */
|
|
|
|
#if 0
|
|
#if !defined(lint) && defined(SCCSIDS)
|
|
static char sccsid[] = "@(#)svc_auth.c 1.26 89/02/07 Copyr 1984 Sun Micro";
|
|
static const char rcsid[] = "$FreeBSD$";
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* svc_auth.c, Server-side rpc authenticator interface.
|
|
*
|
|
*/
|
|
|
|
#include "namespace.h"
|
|
#include "reentrant.h"
|
|
#include <sys/types.h>
|
|
#include <rpc/rpc.h>
|
|
#include <stdlib.h>
|
|
#include "un-namespace.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)
|
|
* struct svc_req *rqst;
|
|
* struct rpc_msg *msg;
|
|
*
|
|
*/
|
|
|
|
/* declarations to allow servers to specify new authentication flavors */
|
|
struct authsvc {
|
|
int flavor;
|
|
enum auth_stat (*handler) __P((struct svc_req *, struct rpc_msg *));
|
|
struct authsvc *next;
|
|
};
|
|
static struct authsvc *Auths = NULL;
|
|
|
|
/*
|
|
* 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)
|
|
struct svc_req *rqst;
|
|
struct rpc_msg *msg;
|
|
{
|
|
int cred_flavor;
|
|
struct authsvc *asp;
|
|
enum auth_stat dummy;
|
|
extern mutex_t authsvc_lock;
|
|
|
|
/* VARIABLES PROTECTED BY authsvc_lock: asp, Auths */
|
|
|
|
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;
|
|
switch (cred_flavor) {
|
|
case AUTH_NULL:
|
|
dummy = _svcauth_null(rqst, msg);
|
|
return (dummy);
|
|
case AUTH_SYS:
|
|
dummy = _svcauth_unix(rqst, msg);
|
|
return (dummy);
|
|
case AUTH_SHORT:
|
|
dummy = _svcauth_short(rqst, msg);
|
|
return (dummy);
|
|
#ifdef DES_BUILTIN
|
|
case AUTH_DES:
|
|
dummy = _svcauth_des(rqst, msg);
|
|
return (dummy);
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* flavor doesn't match any of the builtin types, so try new ones */
|
|
mutex_lock(&authsvc_lock);
|
|
for (asp = Auths; asp; asp = asp->next) {
|
|
if (asp->flavor == cred_flavor) {
|
|
enum auth_stat as;
|
|
|
|
as = (*asp->handler)(rqst, msg);
|
|
mutex_unlock(&authsvc_lock);
|
|
return (as);
|
|
}
|
|
}
|
|
mutex_unlock(&authsvc_lock);
|
|
|
|
return (AUTH_REJECTEDCRED);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
enum auth_stat
|
|
_svcauth_null(rqst, msg)
|
|
struct svc_req *rqst;
|
|
struct rpc_msg *msg;
|
|
{
|
|
return (AUTH_OK);
|
|
}
|
|
|
|
/*
|
|
* Allow the rpc service to register new authentication types that it is
|
|
* prepared to handle. When an authentication flavor is registered,
|
|
* the flavor is checked against already registered values. If not
|
|
* registered, then a new Auths entry is added on the list.
|
|
*
|
|
* There is no provision to delete a registration once registered.
|
|
*
|
|
* This routine returns:
|
|
* 0 if registration successful
|
|
* 1 if flavor already registered
|
|
* -1 if can't register (errno set)
|
|
*/
|
|
|
|
int
|
|
svc_auth_reg(cred_flavor, handler)
|
|
int cred_flavor;
|
|
enum auth_stat (*handler) __P((struct svc_req *, struct rpc_msg *));
|
|
{
|
|
struct authsvc *asp;
|
|
extern mutex_t authsvc_lock;
|
|
|
|
switch (cred_flavor) {
|
|
case AUTH_NULL:
|
|
case AUTH_SYS:
|
|
case AUTH_SHORT:
|
|
#ifdef DES_BUILTIN
|
|
case AUTH_DES:
|
|
#endif
|
|
/* already registered */
|
|
return (1);
|
|
|
|
default:
|
|
mutex_lock(&authsvc_lock);
|
|
for (asp = Auths; asp; asp = asp->next) {
|
|
if (asp->flavor == cred_flavor) {
|
|
/* already registered */
|
|
mutex_unlock(&authsvc_lock);
|
|
return (1);
|
|
}
|
|
}
|
|
|
|
/* this is a new one, so go ahead and register it */
|
|
asp = mem_alloc(sizeof (*asp));
|
|
if (asp == NULL) {
|
|
mutex_unlock(&authsvc_lock);
|
|
return (-1);
|
|
}
|
|
asp->flavor = cred_flavor;
|
|
asp->handler = handler;
|
|
asp->next = Auths;
|
|
Auths = asp;
|
|
mutex_unlock(&authsvc_lock);
|
|
break;
|
|
}
|
|
return (0);
|
|
}
|