| /* |
| * auth.h, Authentication interface. |
| * |
| * 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. |
| * |
| * 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 1 |
| #include <features.h> |
| #include <rpc/xdr.h> |
| |
| __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 */ |
| }; |
| |
| union des_block { |
| struct { |
| u_int32_t high; |
| u_int32_t low; |
| } key; |
| char c[8]; |
| }; |
| typedef union des_block des_block; |
| extern bool_t xdr_des_block (XDR *__xdrs, des_block *__blkp) __THROW; |
| |
| /* |
| * 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 AUTH; |
| struct AUTH { |
| struct opaque_auth ah_cred; |
| struct opaque_auth ah_verf; |
| union des_block ah_key; |
| struct auth_ops { |
| void (*ah_nextverf) (AUTH *); |
| int (*ah_marshal) (AUTH *, XDR *); /* nextverf & serialize */ |
| int (*ah_validate) (AUTH *, struct opaque_auth *); |
| /* validate verifier */ |
| int (*ah_refresh) (AUTH *); /* refresh credentials */ |
| void (*ah_destroy) (AUTH *); /* destroy this structure */ |
| } *ah_ops; |
| caddr_t ah_private; |
| }; |
| |
| |
| /* |
| * 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; |
| */ |
| extern AUTH *authunix_create (char *__machname, __uid_t __uid, __gid_t __gid, |
| int __len, __gid_t *__aup_gids); |
| extern AUTH *authunix_create_default (void); |
| extern AUTH *authnone_create (void) __THROW; |
| extern AUTH *authdes_create (const char *__servername, u_int __window, |
| struct sockaddr *__syncaddr, des_block *__ckey) |
| __THROW; |
| extern AUTH *authdes_pk_create (const char *, netobj *, u_int, |
| struct sockaddr *, des_block *) __THROW; |
| |
| |
| #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_DES 3 /* des style (encrypted timestamps) */ |
| #define AUTH_DH AUTH_DES /* Diffie-Hellman (this is DES) */ |
| #define AUTH_KERB 4 /* kerberos style */ |
| |
| /* |
| * Netname manipulating functions |
| * |
| */ |
| extern int getnetname (char *) __THROW; |
| extern int host2netname (char *, __const char *, __const char *) __THROW; |
| extern int user2netname (char *, __const uid_t, __const char *) __THROW; |
| extern int netname2user (__const char *, uid_t *, gid_t *, int *, gid_t *) |
| __THROW; |
| extern int netname2host (__const char *, char *, __const int) __THROW; |
| |
| /* |
| * |
| * These routines interface to the keyserv daemon |
| * |
| */ |
| extern int key_decryptsession (char *, des_block *); |
| extern int key_decryptsession_pk (char *, netobj *, des_block *); |
| extern int key_encryptsession (char *, des_block *); |
| extern int key_encryptsession_pk (char *, netobj *, des_block *); |
| extern int key_gendes (des_block *); |
| extern int key_setsecret (char *); |
| extern int key_secretkey_is_set (void); |
| extern int key_get_conv (char *, des_block *); |
| |
| /* |
| * XDR an opaque authentication struct. |
| */ |
| extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *) __THROW; |
| |
| __END_DECLS |
| |
| #endif /* rpc/auth.h */ |