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📄 DISCLAIMER(3.23 KB)
📄 Makefile.inc(5.92 KB)
📄 README(7.92 KB)
📄 Symbol.map(4.1 KB)
📄 auth_des.c(13.95 KB)
📄 auth_none.c(4.69 KB)
📄 auth_time.c(12.49 KB)
📄 auth_unix.c(9.43 KB)
📄 authdes_prot.c(3.06 KB)
📄 authunix_prot.c(2.73 KB)
📄 bindresvport.3(2 KB)
📄 bindresvport.c(4.21 KB)
📄 clnt_bcast.c(18.36 KB)
📄 clnt_dg.c(23.62 KB)
📄 clnt_generic.c(12.83 KB)
📄 clnt_perror.c(8.23 KB)
📄 clnt_raw.c(7.98 KB)
📄 clnt_simple.c(6.27 KB)
📄 clnt_vc.c(23.01 KB)
📄 crypt_client.c(3.44 KB)
📄 des_crypt.3(2.64 KB)
📄 des_crypt.c(3.92 KB)
📄 des_soft.c(2.8 KB)
📄 getnetconfig.3(4.15 KB)
📄 getnetconfig.c(19.6 KB)
📄 getnetpath.3(3.04 KB)
📄 getnetpath.c(8.87 KB)
📄 getpublickey.c(4.35 KB)
📄 getrpcent.3(2.09 KB)
📄 getrpcent.c(21.69 KB)
📄 getrpcport.3(805 B)
📄 getrpcport.c(2.77 KB)
📄 key_call.c(11.85 KB)
📄 key_prot_xdr.c(4.38 KB)
📄 mt_misc.c(3.28 KB)
📄 mt_misc.h(2.66 KB)
📄 netconfig(729 B)
📄 netconfig.5(3.3 KB)
📄 netname.c(4.06 KB)
📄 netnamer.c(7.35 KB)
📄 pmap_clnt.c(3.71 KB)
📄 pmap_getmaps.c(3.21 KB)
📄 pmap_getport.c(3.41 KB)
📄 pmap_prot.c(2.43 KB)
📄 pmap_prot2.c(4.56 KB)
📄 pmap_rmt.c(4.94 KB)
📄 publickey.3(1.11 KB)
📄 publickey.5(944 B)
📄 rpc(1.58 KB)
📄 rpc.3(12.8 KB)
📄 rpc.5(1.17 KB)
📄 rpc_callmsg.c(6.35 KB)
📄 rpc_clnt_auth.3(2.33 KB)
📄 rpc_clnt_calls.3(8.12 KB)
📄 rpc_clnt_create.3(13.28 KB)
📄 rpc_com.h(3.39 KB)
📄 rpc_commondata.c(2.08 KB)
📄 rpc_dtablesize.c(2.57 KB)
📄 rpc_generic.c(18.13 KB)
📄 rpc_prot.c(8.7 KB)
📄 rpc_secure.3(5.9 KB)
📄 rpc_soc.3(31.75 KB)
📄 rpc_soc.c(13.54 KB)
📄 rpc_svc_calls.3(6.58 KB)
📄 rpc_svc_create.3(8.04 KB)
📄 rpc_svc_err.3(2.65 KB)
📄 rpc_svc_reg.3(4.5 KB)
📄 rpc_xdr.3(2.71 KB)
📄 rpcb_clnt.c(34.61 KB)
📄 rpcb_prot.c(8.45 KB)
📄 rpcb_st_xdr.c(6.7 KB)
📄 rpcbind.3(4.71 KB)
📄 rpcdname.c(2.73 KB)
📄 rpcsec_gss_stub.c(1.8 KB)
📄 rtime.3(934 B)
📄 rtime.c(4.18 KB)
📄 svc.c(17.78 KB)
📄 svc_auth.c(6.43 KB)
📄 svc_auth_des.c(13.79 KB)
📄 svc_auth_unix.c(4.82 KB)
📄 svc_dg.c(19.47 KB)
📄 svc_generic.c(8.75 KB)
📄 svc_raw.c(6.98 KB)
📄 svc_run.c(2.98 KB)
📄 svc_simple.c(8.78 KB)
📄 svc_vc.c(19.38 KB)

Editing: svc_auth.c

/*	$NetBSD: svc_auth.c,v 1.12 2000/07/06 03:10:35 christos Exp $	*/

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2009, Sun Microsystems, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice, 
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice, 
 *   this list of conditions and the following disclaimer in the documentation 
 *   and/or other materials provided with the distribution.
 * - Neither the name of Sun Microsystems, Inc. nor the names of its 
 *   contributors may be used to endorse or promote products derived 
 *   from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 */
/*
 * Copyright (c) 1986-1991 by Sun Microsystems Inc. 
 */

#if defined(LIBC_SCCS) && !defined(lint)
#ident	"@(#)svc_auth.c	1.16	94/04/24 SMI"
static char sccsid[] = "@(#)svc_auth.c 1.26 89/02/07 Copyr 1984 Sun Micro";
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

/*
 * 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"
#include "mt_misc.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)(struct svc_req *, struct rpc_msg *);
	struct	authsvc	  *next;
};
static struct authsvc *Auths = NULL;

struct svc_auth_ops svc_auth_null_ops;

/*
 * 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(struct svc_req *rqst, struct rpc_msg *msg)
{
	int cred_flavor;
	struct authsvc *asp;
	enum auth_stat dummy;

/* VARIABLES PROTECTED BY authsvc_lock: asp, Auths */

rqst->rq_cred = msg->rm_call.cb_cred;
	SVC_AUTH(rqst->rq_xprt).svc_ah_ops = &svc_auth_null_ops;
	SVC_AUTH(rqst->rq_xprt).svc_ah_private = NULL;
	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);
}

/*
 * A set of null auth methods used by any authentication protocols
 * that don't need to inspect or modify the message body.
 */
static bool_t
svcauth_null_wrap(SVCAUTH *auth, XDR *xdrs, xdrproc_t xdr_func, caddr_t xdr_ptr)
{

return (xdr_func(xdrs, xdr_ptr));
}

struct svc_auth_ops svc_auth_null_ops = {
	svcauth_null_wrap,
	svcauth_null_wrap,
};

/*ARGSUSED*/
enum auth_stat
_svcauth_null(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(int cred_flavor,
    enum auth_stat (*handler)(struct svc_req *, struct rpc_msg *))
{
	struct authsvc *asp;

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);
}

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Editing: svc_auth.c

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