206 lines
6.3 KiB
C
206 lines
6.3 KiB
C
/* @(#)auth.h 2.3 88/08/07 4.0 RPCSRC; from 1.17 88/02/08 SMI */
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/*
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* Copyright (c) 2010, Oracle America, Inc.
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* * Neither the name of the "Oracle America, Inc." nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* auth.h, Authentication interface.
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*
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* The data structures are completely opaque to the client. The client
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* is required to pass a AUTH * to routines that create rpc
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* "sessions".
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*/
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#ifndef GSSRPC_AUTH_H
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#define GSSRPC_AUTH_H
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#include <gssrpc/xdr.h>
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GSSRPC__BEGIN_DECLS
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#define MAX_AUTH_BYTES 400
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#define MAXNETNAMELEN 255 /* maximum length of network user's name */
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/*
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* Status returned from authentication check
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*/
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enum auth_stat {
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AUTH_OK=0,
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/*
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* failed at remote end
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*/
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AUTH_BADCRED=1, /* bogus credentials (seal broken) */
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AUTH_REJECTEDCRED=2, /* client should begin new session */
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AUTH_BADVERF=3, /* bogus verifier (seal broken) */
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AUTH_REJECTEDVERF=4, /* verifier expired or was replayed */
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AUTH_TOOWEAK=5, /* rejected due to security reasons */
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/*
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* failed locally
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*/
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AUTH_INVALIDRESP=6, /* bogus response verifier */
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AUTH_FAILED=7, /* some unknown reason */
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/*
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* RPCSEC_GSS errors
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*/
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RPCSEC_GSS_CREDPROBLEM = 13,
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RPCSEC_GSS_CTXPROBLEM = 14
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};
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union des_block {
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char c[8];
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};
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typedef union des_block des_block;
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extern bool_t xdr_des_block(XDR *, des_block *);
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/*
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* Authentication info. Opaque to client.
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*/
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struct opaque_auth {
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enum_t oa_flavor; /* flavor of auth */
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caddr_t oa_base; /* address of more auth stuff */
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u_int oa_length; /* not to exceed MAX_AUTH_BYTES */
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};
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/*
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* Auth handle, interface to client side authenticators.
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*/
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struct rpc_msg;
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typedef struct AUTH {
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struct opaque_auth ah_cred;
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struct opaque_auth ah_verf;
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union des_block ah_key;
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struct auth_ops {
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void (*ah_nextverf)(struct AUTH *);
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/* nextverf & serialize */
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int (*ah_marshal)(struct AUTH *, XDR *);
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/* validate varifier */
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int (*ah_validate)(struct AUTH *,
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struct opaque_auth *);
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/* refresh credentials */
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int (*ah_refresh)(struct AUTH *, struct rpc_msg *);
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/* destroy this structure */
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void (*ah_destroy)(struct AUTH *);
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/* encode data for wire */
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int (*ah_wrap)(struct AUTH *, XDR *,
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xdrproc_t, caddr_t);
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/* decode data from wire */
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int (*ah_unwrap)(struct AUTH *, XDR *,
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xdrproc_t, caddr_t);
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} *ah_ops;
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void *ah_private;
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} AUTH;
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/*
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* Authentication ops.
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* The ops and the auth handle provide the interface to the authenticators.
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*
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* AUTH *auth;
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* XDR *xdrs;
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* struct opaque_auth verf;
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*/
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#define AUTH_NEXTVERF(auth) \
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((*((auth)->ah_ops->ah_nextverf))(auth))
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#define auth_nextverf(auth) \
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((*((auth)->ah_ops->ah_nextverf))(auth))
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#define AUTH_MARSHALL(auth, xdrs) \
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((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
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#define auth_marshall(auth, xdrs) \
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((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
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#define AUTH_VALIDATE(auth, verfp) \
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((*((auth)->ah_ops->ah_validate))((auth), verfp))
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#define auth_validate(auth, verfp) \
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((*((auth)->ah_ops->ah_validate))((auth), verfp))
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#define AUTH_REFRESH(auth, msg) \
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((*((auth)->ah_ops->ah_refresh))(auth, msg))
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#define auth_refresh(auth, msg) \
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((*((auth)->ah_ops->ah_refresh))(auth, msg))
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#define AUTH_WRAP(auth, xdrs, xfunc, xwhere) \
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((*((auth)->ah_ops->ah_wrap))(auth, xdrs, \
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xfunc, xwhere))
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#define auth_wrap(auth, xdrs, xfunc, xwhere) \
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((*((auth)->ah_ops->ah_wrap))(auth, xdrs, \
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xfunc, xwhere))
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#define AUTH_UNWRAP(auth, xdrs, xfunc, xwhere) \
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((*((auth)->ah_ops->ah_unwrap))(auth, xdrs, \
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xfunc, xwhere))
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#define auth_unwrap(auth, xdrs, xfunc, xwhere) \
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((*((auth)->ah_ops->ah_unwrap))(auth, xdrs, \
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xfunc, xwhere))
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#define AUTH_DESTROY(auth) \
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((*((auth)->ah_ops->ah_destroy))(auth))
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#define auth_destroy(auth) \
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((*((auth)->ah_ops->ah_destroy))(auth))
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#ifdef GSSRPC__IMPL
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/* RENAMED: should be _null_auth if we can use reserved namespace. */
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extern struct opaque_auth gssrpc__null_auth;
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#endif
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/*
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* These are the various implementations of client side authenticators.
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*/
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/*
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* Unix style authentication
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* AUTH *authunix_create(machname, uid, gid, len, aup_gids)
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* char *machname;
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* int uid;
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* int gid;
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* int len;
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* int *aup_gids;
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*/
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extern AUTH *authunix_create(char *machname, int uid, int gid, int len,
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int *aup_gids);
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extern AUTH *authunix_create_default(void); /* takes no parameters */
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extern AUTH *authnone_create(void); /* takes no parameters */
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extern bool_t xdr_opaque_auth(XDR *, struct opaque_auth *);
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#define AUTH_NONE 0 /* no authentication */
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#define AUTH_NULL 0 /* backward compatibility */
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#define AUTH_UNIX 1 /* unix style (uid, gids) */
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#define AUTH_SHORT 2 /* short hand unix style */
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#define AUTH_DES 3 /* des style (encrypted timestamps) */
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#define AUTH_GSSAPI 300001 /* GSS-API style */
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#define RPCSEC_GSS 6 /* RPCSEC_GSS */
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GSSRPC__END_DECLS
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#endif /* !defined(GSSRPC_AUTH_H) */
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