365 lines
10 KiB
C
365 lines
10 KiB
C
/* $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
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* 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 _RPC_AUTH_H
|
|
#define _RPC_AUTH_H
|
|
#include <rpc/xdr.h>
|
|
#include <rpc/clnt_stat.h>
|
|
#include <sys/cdefs.h>
|
|
#include <sys/socket.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 */
|
|
|
|
#ifdef KERBEROS
|
|
/*
|
|
* flavor specific data to hold the data for AUTH_DES/AUTH_KERB(v4)
|
|
* in sec_data->data opaque field.
|
|
*/
|
|
typedef struct krb4_svc_data {
|
|
int window; /* window option value */
|
|
} krb4_svcdata_t;
|
|
|
|
typedef struct krb4_svc_data des_svcdata_t;
|
|
#endif /* KERBEROS */
|
|
|
|
/*
|
|
* 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 */
|
|
#ifdef KERBEROS
|
|
/*
|
|
* 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 */
|
|
#endif /* KERBEROS */
|
|
/*
|
|
* RPCSEC_GSS errors
|
|
*/
|
|
RPCSEC_GSS_CREDPROBLEM = 13,
|
|
RPCSEC_GSS_CTXPROBLEM = 14,
|
|
RPCSEC_GSS_NODISPATCH = 0x8000000
|
|
};
|
|
|
|
union des_block {
|
|
struct {
|
|
uint32_t high;
|
|
uint32_t low;
|
|
} key;
|
|
char c[8];
|
|
};
|
|
typedef union des_block des_block;
|
|
__BEGIN_DECLS
|
|
extern bool_t xdr_des_block(XDR *, des_block *);
|
|
__END_DECLS
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
struct rpc_err;
|
|
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 *, uint32_t, XDR *,
|
|
struct mbuf *);
|
|
/* validate verifier */
|
|
int (*ah_validate) (struct __auth *, uint32_t,
|
|
struct opaque_auth *, struct mbuf **);
|
|
/* refresh credentials */
|
|
int (*ah_refresh) (struct __auth *, void *);
|
|
/* destroy this structure */
|
|
void (*ah_destroy) (struct __auth *);
|
|
} *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_MARSHALL(auth, xid, xdrs, args) \
|
|
((*((auth)->ah_ops->ah_marshal))(auth, xid, xdrs, args))
|
|
|
|
#define AUTH_VALIDATE(auth, xid, verfp, resultsp) \
|
|
((*((auth)->ah_ops->ah_validate))((auth), xid, verfp, resultsp))
|
|
|
|
#define AUTH_REFRESH(auth, msg) \
|
|
((*((auth)->ah_ops->ah_refresh))(auth, msg))
|
|
|
|
#define AUTH_DESTROY(auth) \
|
|
((*((auth)->ah_ops->ah_destroy))(auth))
|
|
|
|
__BEGIN_DECLS
|
|
extern struct opaque_auth _null_auth;
|
|
__END_DECLS
|
|
|
|
/*
|
|
* These are the various implementations of client side authenticators.
|
|
*/
|
|
|
|
/*
|
|
* System style authentication
|
|
* AUTH *authunix_create(machname, uid, gid, len, aup_gids)
|
|
* char *machname;
|
|
* u_int uid;
|
|
* u_int gid;
|
|
* int len;
|
|
* u_int *aup_gids;
|
|
*/
|
|
__BEGIN_DECLS
|
|
#ifdef _KERNEL
|
|
struct ucred;
|
|
extern AUTH *authunix_create(struct ucred *);
|
|
#else
|
|
extern AUTH *authunix_create(char *, u_int, u_int, int, u_int *);
|
|
extern AUTH *authunix_create_default(void); /* takes no parameters */
|
|
#endif
|
|
extern AUTH *authnone_create(void); /* takes no parameters */
|
|
__END_DECLS
|
|
/*
|
|
* 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
|
|
*/
|
|
__BEGIN_DECLS
|
|
extern AUTH *authdes_create (char *, u_int, struct sockaddr *, des_block *);
|
|
extern AUTH *authdes_seccreate (const char *, const u_int, const char *,
|
|
const des_block *);
|
|
__END_DECLS
|
|
|
|
__BEGIN_DECLS
|
|
extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *);
|
|
__END_DECLS
|
|
|
|
#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.
|
|
*/
|
|
__BEGIN_DECLS
|
|
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 * );
|
|
__END_DECLS
|
|
|
|
/*
|
|
*
|
|
* These routines interface to the keyserv daemon
|
|
*
|
|
*/
|
|
__BEGIN_DECLS
|
|
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);
|
|
__END_DECLS
|
|
|
|
/*
|
|
* Publickey routines.
|
|
*/
|
|
__BEGIN_DECLS
|
|
extern int getpublickey (const char *, char *);
|
|
extern int getpublicandprivatekey (const char *, char *);
|
|
extern int getsecretkey (char *, char *, char *);
|
|
__END_DECLS
|
|
|
|
#ifdef KERBEROS
|
|
/*
|
|
* Kerberos style authentication
|
|
* AUTH *authkerb_seccreate(service, srv_inst, realm, window, timehost, status)
|
|
* const char *service; - service name
|
|
* const char *srv_inst; - server instance
|
|
* const char *realm; - server realm
|
|
* const u_int window; - time to live
|
|
* const char *timehost; - optional hostname to sync with
|
|
* int *status; - kerberos status returned
|
|
*/
|
|
__BEGIN_DECLS
|
|
extern AUTH *authkerb_seccreate(const char *, const char *, const char *,
|
|
const u_int, const char *, int *);
|
|
__END_DECLS
|
|
|
|
/*
|
|
* Map a kerberos credential into a unix cred.
|
|
*
|
|
* authkerb_getucred(rqst, uid, gid, grouplen, groups)
|
|
* const struct svc_req *rqst; - request pointer
|
|
* uid_t *uid;
|
|
* gid_t *gid;
|
|
* short *grouplen;
|
|
* int *groups;
|
|
*
|
|
*/
|
|
__BEGIN_DECLS
|
|
extern int authkerb_getucred(/* struct svc_req *, uid_t *, gid_t *,
|
|
short *, int * */);
|
|
__END_DECLS
|
|
#endif /* KERBEROS */
|
|
|
|
__BEGIN_DECLS
|
|
struct svc_req;
|
|
struct rpc_msg;
|
|
enum auth_stat _svcauth_null (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 *);
|
|
__END_DECLS
|
|
|
|
#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 */
|
|
|
|
/*
|
|
* Pseudo auth flavors for RPCSEC_GSS.
|
|
*/
|
|
#define RPCSEC_GSS_KRB5 390003
|
|
#define RPCSEC_GSS_KRB5I 390004
|
|
#define RPCSEC_GSS_KRB5P 390005
|
|
|
|
#endif /* !_RPC_AUTH_H */
|