/* @(#)auth.h 2.3 88/08/07 4.0 RPCSRC; from 1.17 88/02/08 SMI */ /* * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * unrestricted use provided that this legend is included on all tape * media and as a part of the software program in whole or part. Users * may copy or modify Sun RPC without charge, but are not authorized * to license or distribute it to anyone else except as part of a product or * program developed by the user. * * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. * * Sun RPC is provided with no support and without any obligation on the * part of Sun Microsystems, Inc. to assist in its use, correction, * modification or enhancement. * * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC * OR ANY PART THEREOF. * * In no event will Sun Microsystems, Inc. be liable for any lost revenue * or profits or other special, indirect and consequential damages, even if * Sun has been advised of the possibility of such damages. * * Sun Microsystems, Inc. * 2550 Garcia Avenue * Mountain View, California 94043 */ /* * 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 a AUTH * to routines that create rpc * "sessions". */ #ifndef _RPC_AUTH_H #define _RPC_AUTH_H 1 #ifdef _LIBC /* Some adjustments to make the libc source from glibc * compile more easily with uClibc... */ #ifndef __FORCE_GLIBC #define __FORCE_GLIBC #endif #ifndef _GNU_SOUCE #define _GNU_SOUCE #endif #define _(X) X #endif #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); libc_hidden_proto(authunix_create) extern AUTH *authunix_create_default (void); libc_hidden_proto(authunix_create_default) extern AUTH *authnone_create (void) __THROW; libc_hidden_proto(authnone_create) 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; libc_hidden_proto(xdr_opaque_auth) __END_DECLS #endif /* rpc/auth.h */