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Diffstat (limited to 'include/rpc/auth.h')
| -rw-r--r-- | include/rpc/auth.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/include/rpc/auth.h b/include/rpc/auth.h new file mode 100644 index 0000000..1cd94bb --- /dev/null +++ b/include/rpc/auth.h @@ -0,0 +1,184 @@ +/* $OpenBSD: auth.h,v 1.8 2015/09/13 12:29:03 guenther Exp $ */ +/* $NetBSD: auth.h,v 1.7 1995/04/29 05:27:55 cgd Exp $ */ + +/* + * Copyright (c) 2010, Oracle America, Inc. + * + * 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. + * + * from: @(#)auth.h 1.17 88/02/08 SMI + * @(#)auth.h 2.3 88/08/07 4.0 RPCSRC + */ + +/* + * 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 _RPC_AUTH_H +#define _RPC_AUTH_H +#include <sys/cdefs.h> + +#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 */ +}; + +typedef u_int32_t u_int32; /* 32-bit unsigned integers */ + +union des_block { + struct { + u_int32 high; + u_int32 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 */ + unsigned int oa_length; /* not to exceed MAX_AUTH_BYTES */ +}; + + +/* + * Auth handle, interface to client side authenticators. + */ +typedef struct __rpc_auth { + struct opaque_auth ah_cred; + struct opaque_auth ah_verf; + union des_block ah_key; + struct auth_ops { + void (*ah_nextverf)(struct __rpc_auth *); + /* nextverf & serialize */ + int (*ah_marshal)(struct __rpc_auth *, XDR *); + /* validate varifier */ + int (*ah_validate)(struct __rpc_auth *, + struct opaque_auth *); + /* refresh credentials */ + int (*ah_refresh)(struct __rpc_auth *); + /* destroy this structure */ + void (*ah_destroy)(struct __rpc_auth *); + } *ah_ops; + caddr_t 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) \ + ((*((auth)->ah_ops->ah_refresh))(auth)) +#define auth_refresh(auth) \ + ((*((auth)->ah_ops->ah_refresh))(auth)) + +#define AUTH_DESTROY(auth) \ + ((*((auth)->ah_ops->ah_destroy))(auth)) +#define auth_destroy(auth) \ + ((*((auth)->ah_ops->ah_destroy))(auth)) + + +extern struct opaque_auth _null_auth; + + +/* + * 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; + */ +__BEGIN_DECLS +struct sockaddr_in; +extern AUTH *authunix_create(char *, int, int, int, int *); +extern AUTH *authunix_create_default(void); +extern AUTH *authnone_create(void); +extern void set_rpc_maxgrouplist(int); +__END_DECLS + +#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) */ + +#endif /* !_RPC_AUTH_H */ |