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/* $NetBSD: auth.h,v 1.15 2000/06/02 22:57:55 fvdl 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.
*
* from: @(#)auth.h 1.17 88/02/08 SMI
* from: @(#)auth.h 2.3 88/08/07 4.0 RPCSRC
* from: @(#)auth.h 1.43 98/02/02 SMI
* $FreeBSD: src/include/rpc/auth.h,v 1.20 2003/01/01 18:48:42 schweikh Exp $
*/
/*
* auth.h, Authentication interface.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*
* The data structures are completely opaque to the client. The client
* is required to pass an AUTH * to routines that create rpc
* "sessions".
*/
#ifndef _TIRPC_AUTH_H
#define _TIRPC_AUTH_H
#include <rpc/xdr.h>
#include <rpc/clnt_stat.h>
#include <sys/socket.h>
#include <sys/types.h>
#define MAX_AUTH_BYTES 400
#define MAXNETNAMELEN 255 /* maximum length of network user's name */
/*
* Client side authentication/security data
*/
typedef struct sec_data {
u_int secmod; /* security mode number e.g. in nfssec.conf */
u_int rpcflavor; /* rpc flavors:AUTH_UNIX,AUTH_DES,RPCSEC_GSS */
int flags; /* AUTH_F_xxx flags */
caddr_t data; /* opaque data per flavor */
} sec_data_t;
#ifdef _SYSCALL32_IMPL
struct sec_data32 {
uint32_t secmod; /* security mode number e.g. in nfssec.conf */
uint32_t rpcflavor; /* rpc flavors:AUTH_UNIX,AUTH_DES,RPCSEC_GSS */
int32_t flags; /* AUTH_F_xxx flags */
caddr32_t data; /* opaque data per flavor */
};
#endif /* _SYSCALL32_IMPL */
/*
* AUTH_DES flavor specific data from sec_data opaque data field.
* AUTH_KERB has the same structure.
*/
typedef struct des_clnt_data {
struct netbuf syncaddr; /* time sync addr */
struct knetconfig *knconf; /* knetconfig info that associated */
/* with the syncaddr. */
char *netname; /* server's netname */
int netnamelen; /* server's netname len */
} dh_k4_clntdata_t;
#ifdef _SYSCALL32_IMPL
struct des_clnt_data32 {
struct netbuf32 syncaddr; /* time sync addr */
caddr32_t knconf; /* knetconfig info that associated */
/* with the syncaddr. */
caddr32_t netname; /* server's netname */
int32_t netnamelen; /* server's netname len */
};
#endif /* _SYSCALL32_IMPL */
/*
* authentication/security specific flags
*/
#define AUTH_F_RPCTIMESYNC 0x001 /* use RPC to do time sync */
#define AUTH_F_TRYNONE 0x002 /* allow fall back to AUTH_NONE */
/*
* Status returned from authentication check
*/
enum auth_stat {
AUTH_OK=0,
/*
* failed at remote end
*/
AUTH_BADCRED=1, /* bogus credentials (seal broken) */
AUTH_REJECTEDCRED=2, /* client should begin new session */
AUTH_BADVERF=3, /* bogus verifier (seal broken) */
AUTH_REJECTEDVERF=4, /* verifier expired or was replayed */
AUTH_TOOWEAK=5, /* rejected due to security reasons */
/*
* failed locally
*/
AUTH_INVALIDRESP=6, /* bogus response verifier */
AUTH_FAILED=7, /* some unknown reason */
/*
* kerberos errors
*/
AUTH_KERB_GENERIC = 8, /* kerberos generic error */
AUTH_TIMEEXPIRE = 9, /* time of credential expired */
AUTH_TKT_FILE = 10, /* something wrong with ticket file */
AUTH_DECODE = 11, /* can't decode authenticator */
AUTH_NET_ADDR = 12, /* wrong net address in ticket */
/*
* RPCSEC_GSS errors
*/
RPCSEC_GSS_CREDPROBLEM = 13,
RPCSEC_GSS_CTXPROBLEM = 14
};
typedef u_int32_t u_int32; /* 32-bit unsigned integers */
union des_block {
struct {
u_int32_t high;
u_int32_t low;
} key;
char c[8];
};
typedef union des_block des_block;
#ifdef __cplusplus
extern "C" {
#endif
extern bool_t xdr_des_block(XDR *, des_block *);
#ifdef __cplusplus
}
#endif
/*
* Authentication info. Opaque to client.
*/
struct opaque_auth {
enum_t oa_flavor; /* flavor of auth */
caddr_t oa_base; /* address of more auth stuff */
u_int oa_length; /* not to exceed MAX_AUTH_BYTES */
};
/*
* Auth handle, interface to client side authenticators.
*/
typedef struct __auth {
struct opaque_auth ah_cred;
struct opaque_auth ah_verf;
union des_block ah_key;
struct auth_ops {
void (*ah_nextverf) (struct __auth *);
/* nextverf & serialize */
int (*ah_marshal) (struct __auth *, XDR *);
/* validate verifier */
int (*ah_validate) (struct __auth *,
struct opaque_auth *);
/* refresh credentials */
int (*ah_refresh) (struct __auth *, void *);
/* destroy this structure */
void (*ah_destroy) (struct __auth *);
/* encode data for wire */
int (*ah_wrap) (struct __auth *, XDR *, xdrproc_t, caddr_t);
/* decode data for wire */
int (*ah_unwrap) (struct __auth *, XDR *, xdrproc_t, caddr_t);
} *ah_ops;
void *ah_private;
} AUTH;
/*
* Authentication ops.
* The ops and the auth handle provide the interface to the authenticators.
*
* AUTH *auth;
* XDR *xdrs;
* struct opaque_auth verf;
*/
#define AUTH_NEXTVERF(auth) \
((*((auth)->ah_ops->ah_nextverf))(auth))
#define auth_nextverf(auth) \
((*((auth)->ah_ops->ah_nextverf))(auth))
#define AUTH_MARSHALL(auth, xdrs) \
((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
#define auth_marshall(auth, xdrs) \
((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
#define AUTH_VALIDATE(auth, verfp) \
((*((auth)->ah_ops->ah_validate))((auth), verfp))
#define auth_validate(auth, verfp) \
((*((auth)->ah_ops->ah_validate))((auth), verfp))
#define AUTH_REFRESH(auth, msg) \
((*((auth)->ah_ops->ah_refresh))(auth, msg))
#define auth_refresh(auth, msg) \
((*((auth)->ah_ops->ah_refresh))(auth, msg))
#define AUTH_DESTROY(auth) \
((*((auth)->ah_ops->ah_destroy))(auth));
#define auth_destroy(auth) \
((*((auth)->ah_ops->ah_destroy))(auth));
#define AUTH_WRAP(auth, xdrs, xfunc, xwhere) \
((*((auth)->ah_ops->ah_wrap))(auth, xdrs, \
xfunc, xwhere))
#define auth_wrap(auth, xdrs, xfunc, xwhere) \
((*((auth)->ah_ops->ah_wrap))(auth, xdrs, \
xfunc, xwhere))
#define AUTH_UNWRAP(auth, xdrs, xfunc, xwhere) \
((*((auth)->ah_ops->ah_unwrap))(auth, xdrs, \
xfunc, xwhere))
#define auth_unwrap(auth, xdrs, xfunc, xwhere) \
((*((auth)->ah_ops->ah_unwrap))(auth, xdrs, \
xfunc, xwhere))
#ifdef __cplusplus
extern "C" {
#endif
extern struct opaque_auth _null_auth;
#ifdef __cplusplus
}
#endif
/*
* Any style authentication. These routines can be used by any
* authentication style that does not use the wrap/unwrap functions.
*/
int authany_wrap(void), authany_unwrap(void);
/*
* These are the various implementations of client side authenticators.
*/
/*
* System style authentication
* AUTH *authunix_create(machname, uid, gid, len, aup_gids)
* char *machname;
* int uid;
* int gid;
* int len;
* int *aup_gids;
*/
#ifdef __cplusplus
extern "C" {
#endif
extern AUTH *authunix_create(char *, uid_t, uid_t, int, uid_t *);
extern AUTH *authunix_create_default(void); /* takes no parameters */
extern AUTH *authnone_create(void); /* takes no parameters */
#ifdef __cplusplus
}
#endif
/*
* DES style authentication
* AUTH *authsecdes_create(servername, window, timehost, ckey)
* char *servername; - network name of server
* u_int window; - time to live
* const char *timehost; - optional hostname to sync with
* des_block *ckey; - optional conversation key to use
*/
#ifdef __cplusplus
extern "C" {
#endif
extern AUTH *authdes_create (char *, u_int, struct sockaddr *, des_block *);
extern AUTH *authdes_pk_create (char *, netobj *, u_int,
struct sockaddr *, des_block *);
extern AUTH *authdes_seccreate (const char *, const u_int, const char *,
const des_block *);
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
extern "C" {
#endif
extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *);
#ifdef __cplusplus
}
#endif
#define authsys_create(c,i1,i2,i3,ip) authunix_create((c),(i1),(i2),(i3),(ip))
#define authsys_create_default() authunix_create_default()
/*
* Netname manipulation routines.
*/
#ifdef __cplusplus
extern "C" {
#endif
extern int getnetname(char *);
extern int host2netname(char *, const char *, const char *);
extern int user2netname(char *, const uid_t, const char *);
extern int netname2user(char *, uid_t *, gid_t *, int *, gid_t *);
extern int netname2host(char *, char *, const int);
extern void passwd2des ( char *, char * );
#ifdef __cplusplus
}
#endif
/*
*
* These routines interface to the keyserv daemon
*
*/
#ifdef __cplusplus
extern "C" {
#endif
extern int key_decryptsession(const char *, des_block *);
extern int key_encryptsession(const char *, des_block *);
extern int key_gendes(des_block *);
extern int key_setsecret(const char *);
extern int key_secretkey_is_set(void);
#ifdef __cplusplus
}
#endif
/*
* Publickey routines.
*/
#ifdef __cplusplus
extern "C" {
#endif
extern int getpublickey (const char *, char *);
extern int getpublicandprivatekey (char *, char *);
extern int getsecretkey (char *, char *, char *);
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
extern "C" {
#endif
struct svc_req;
struct rpc_msg;
enum auth_stat _svcauth_none (struct svc_req *, struct rpc_msg *);
enum auth_stat _svcauth_short (struct svc_req *, struct rpc_msg *);
enum auth_stat _svcauth_unix (struct svc_req *, struct rpc_msg *);
enum auth_stat _svcauth_gss (struct svc_req *, struct rpc_msg *, bool_t *);
#ifdef __cplusplus
}
#endif
#define AUTH_NONE 0 /* no authentication */
#define AUTH_NULL 0 /* backward compatibility */
#define AUTH_SYS 1 /* unix style (uid, gids) */
#define AUTH_UNIX AUTH_SYS
#define AUTH_SHORT 2 /* short hand unix style */
#define AUTH_DH 3 /* for Diffie-Hellman mechanism */
#define AUTH_DES AUTH_DH /* for backward compatibility */
#define AUTH_KERB 4 /* kerberos style */
#define RPCSEC_GSS 6 /* RPCSEC_GSS */
#endif /* !_TIRPC_AUTH_H */