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auth.h
/* @(#)auth.h 2.3 88/08/07 4.0 RPCSRC; from 1.17 88/02/08 SMI */ /* * Copyright (c) 2010, Oracle America, 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 the "Oracle America, 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.h, Authentication interface. * * The data structures are completely opaque to the client. The client * is required to pass a AUTH * to routines that create rpc * "sessions". */ #ifndef GSSRPC_AUTH_H #define GSSRPC_AUTH_H #include <gssrpc/xdr.h> GSSRPC__BEGIN_DECLS #define MAX_AUTH_BYTES 400 #define MAXNETNAMELEN 255 /* maximum length of network user's name */ /* * 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 */ /* * RPCSEC_GSS errors */ RPCSEC_GSS_CREDPROBLEM = 13, RPCSEC_GSS_CTXPROBLEM = 14 }; union des_block { char c[8]; }; typedef union des_block des_block; extern bool_t xdr_des_block(XDR *, des_block *); /* * 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_msg; 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 varifier */ int (*ah_validate)(struct AUTH *, struct opaque_auth *); /* refresh credentials */ int (*ah_refresh)(struct AUTH *, struct rpc_msg *); /* destroy this structure */ void (*ah_destroy)(struct AUTH *); /* encode data for wire */ int (*ah_wrap)(struct AUTH *, XDR *, xdrproc_t, caddr_t); /* decode data from 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_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)) #define AUTH_DESTROY(auth) \ ((*((auth)->ah_ops->ah_destroy))(auth)) #define auth_destroy(auth) \ ((*((auth)->ah_ops->ah_destroy))(auth)) #ifdef GSSRPC__IMPL /* RENAMED: should be _null_auth if we can use reserved namespace. */ extern struct opaque_auth gssrpc__null_auth; #endif /* * These are the various implementations of client side authenticators. */ /* * Unix style authentication * AUTH *authunix_create(machname, uid, gid, len, aup_gids) * char *machname; * int uid; * int gid; * int len; * int *aup_gids; */ extern AUTH *authunix_create(char *machname, int uid, int gid, int len, int *aup_gids); extern AUTH *authunix_create_default(void); /* takes no parameters */ extern AUTH *authnone_create(void); /* takes no parameters */ extern AUTH *authdes_create(); extern bool_t xdr_opaque_auth(XDR *, struct opaque_auth *); #define AUTH_NONE 0 /* no authentication */ #define AUTH_NULL 0 /* backward compatibility */ #define AUTH_UNIX 1 /* unix style (uid, gids) */ #define AUTH_SHORT 2 /* short hand unix style */ #define AUTH_DES 3 /* des style (encrypted timestamps) */ #define AUTH_GSSAPI 300001 /* GSS-API style */ #define RPCSEC_GSS 6 /* RPCSEC_GSS */ GSSRPC__END_DECLS #endif /* !defined(GSSRPC_AUTH_H) */
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