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/* $FreeBSD: src/include/rpc/auth_kerb.h,v 1.2 2002/09/04 23:58:23 alfred Exp $ */
/*
* 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.
*/
/*
* auth_kerb.h, Protocol for Kerberos style authentication for RPC
*
* Copyright (C) 1986, Sun Microsystems, Inc.
*/
#ifndef _RPC_AUTH_KERB_H
#define _RPC_AUTH_KERB_H
#ifdef KERBEROS
#include <kerberos/krb.h>
#include <sys/socket.h>
#include <sys/t_kuser.h>
#include <netinet/in.h>
#include <rpc/svc.h>
/*
* There are two kinds of "names": fullnames and nicknames
*/
enum authkerb_namekind {
AKN_FULLNAME,
AKN_NICKNAME
};
/*
* A fullname contains the ticket and the window
*/
struct authkerb_fullname {
KTEXT_ST ticket;
u_long window; /* associated window */
};
/*
* cooked credential stored in rq_clntcred
*/
struct authkerb_clnt_cred {
/* start of AUTH_DAT */
unsigned char k_flags; /* Flags from ticket */
char pname[ANAME_SZ]; /* Principal's name */
char pinst[INST_SZ]; /* His Instance */
char prealm[REALM_SZ]; /* His Realm */
unsigned long checksum; /* Data checksum (opt) */
C_Block session; /* Session Key */
int life; /* Life of ticket */
unsigned long time_sec; /* Time ticket issued */
unsigned long address; /* Address in ticket */
/* KTEXT_ST reply; Auth reply (opt) */
/* end of AUTH_DAT */
unsigned long expiry; /* time the ticket is expiring */
u_long nickname; /* Nickname into cache */
u_long window; /* associated window */
};
typedef struct authkerb_clnt_cred authkerb_clnt_cred;
/*
* A credential
*/
struct authkerb_cred {
enum authkerb_namekind akc_namekind;
struct authkerb_fullname akc_fullname;
u_long akc_nickname;
};
/*
* A kerb authentication verifier
*/
struct authkerb_verf {
union {
struct timeval akv_ctime; /* clear time */
des_block akv_xtime; /* crypt time */
} akv_time_u;
u_long akv_int_u;
};
/*
* des authentication verifier: client variety
*
* akv_timestamp is the current time.
* akv_winverf is the credential window + 1.
* Both are encrypted using the conversation key.
*/
#ifndef akv_timestamp
#define akv_timestamp akv_time_u.akv_ctime
#define akv_xtimestamp akv_time_u.akv_xtime
#define akv_winverf akv_int_u
#endif
/*
* des authentication verifier: server variety
*
* akv_timeverf is the client's timestamp + client's window
* akv_nickname is the server's nickname for the client.
* akv_timeverf is encrypted using the conversation key.
*/
#ifndef akv_timeverf
#define akv_timeverf akv_time_u.akv_ctime
#define akv_xtimeverf akv_time_u.akv_xtime
#define akv_nickname akv_int_u
#endif
/*
* Register the service name, instance and realm.
*/
extern int authkerb_create(char *, char *, char *, u_int,
struct netbuf *, int *, dev_t, int, AUTH **);
extern bool_t xdr_authkerb_cred(XDR *, struct authkerb_cred *);
extern bool_t xdr_authkerb_verf(XDR *, struct authkerb_verf *);
extern int svc_kerb_reg(SVCXPRT *, char *, char *, char *);
extern enum auth_stat _svcauth_kerb(struct svc_req *, struct rpc_msg *);
#endif KERBEROS
#endif /* !_RPC_AUTH_KERB_H */
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