1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 13 * Sun RPC is provided with no support and without any obligation on the 14 * part of Sun Microsystems, Inc. to assist in its use, correction, 15 * modification or enhancement. 16 * 17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 19 * OR ANY PART THEREOF. 20 * 21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 22 * or profits or other special, indirect and consequential damages, even if 23 * Sun has been advised of the possibility of such damages. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 * 29 * from: @(#)auth.h 1.17 88/02/08 SMI 30 * from: @(#)auth.h 2.3 88/08/07 4.0 RPCSRC 31 * $Id: auth.h,v 1.4 1993/12/07 05:41:23 deraadt Exp $ 32 */ 33 34 /* 35 * auth.h, Authentication interface. 36 * 37 * Copyright (C) 1984, Sun Microsystems, Inc. 38 * 39 * The data structures are completely opaque to the client. The client 40 * is required to pass a AUTH * to routines that create rpc 41 * "sessions". 42 */ 43 44 #ifndef _RPC_AUTH_H 45 #define _RPC_AUTH_H 46 #include <sys/cdefs.h> 47 48 #define MAX_AUTH_BYTES 400 49 #define MAXNETNAMELEN 255 /* maximum length of network user's name */ 50 51 /* 52 * Status returned from authentication check 53 */ 54 enum auth_stat { 55 AUTH_OK=0, 56 /* 57 * failed at remote end 58 */ 59 AUTH_BADCRED=1, /* bogus credentials (seal broken) */ 60 AUTH_REJECTEDCRED=2, /* client should begin new session */ 61 AUTH_BADVERF=3, /* bogus verifier (seal broken) */ 62 AUTH_REJECTEDVERF=4, /* verifier expired or was replayed */ 63 AUTH_TOOWEAK=5, /* rejected due to security reasons */ 64 /* 65 * failed locally 66 */ 67 AUTH_INVALIDRESP=6, /* bogus response verifier */ 68 AUTH_FAILED=7 /* some unknown reason */ 69 }; 70 71 typedef u_long u_int32; /* 32-bit unsigned integers */ 72 73 union des_block { 74 struct { 75 u_int32 high; 76 u_int32 low; 77 } key; 78 char c[8]; 79 }; 80 typedef union des_block des_block; 81 __BEGIN_DECLS 82 extern bool_t xdr_des_block __P((XDR *, des_block *)); 83 __END_DECLS 84 85 /* 86 * Authentication info. Opaque to client. 87 */ 88 struct opaque_auth { 89 enum_t oa_flavor; /* flavor of auth */ 90 caddr_t oa_base; /* address of more auth stuff */ 91 u_int oa_length; /* not to exceed MAX_AUTH_BYTES */ 92 }; 93 94 95 /* 96 * Auth handle, interface to client side authenticators. 97 */ 98 typedef struct { 99 struct opaque_auth ah_cred; 100 struct opaque_auth ah_verf; 101 union des_block ah_key; 102 struct auth_ops { 103 void (*ah_nextverf)(); 104 int (*ah_marshal)(); /* nextverf & serialize */ 105 int (*ah_validate)(); /* validate varifier */ 106 int (*ah_refresh)(); /* refresh credentials */ 107 void (*ah_destroy)(); /* destroy this structure */ 108 } *ah_ops; 109 caddr_t ah_private; 110 } AUTH; 111 112 113 /* 114 * Authentication ops. 115 * The ops and the auth handle provide the interface to the authenticators. 116 * 117 * AUTH *auth; 118 * XDR *xdrs; 119 * struct opaque_auth verf; 120 */ 121 #define AUTH_NEXTVERF(auth) \ 122 ((*((auth)->ah_ops->ah_nextverf))(auth)) 123 #define auth_nextverf(auth) \ 124 ((*((auth)->ah_ops->ah_nextverf))(auth)) 125 126 #define AUTH_MARSHALL(auth, xdrs) \ 127 ((*((auth)->ah_ops->ah_marshal))(auth, xdrs)) 128 #define auth_marshall(auth, xdrs) \ 129 ((*((auth)->ah_ops->ah_marshal))(auth, xdrs)) 130 131 #define AUTH_VALIDATE(auth, verfp) \ 132 ((*((auth)->ah_ops->ah_validate))((auth), verfp)) 133 #define auth_validate(auth, verfp) \ 134 ((*((auth)->ah_ops->ah_validate))((auth), verfp)) 135 136 #define AUTH_REFRESH(auth) \ 137 ((*((auth)->ah_ops->ah_refresh))(auth)) 138 #define auth_refresh(auth) \ 139 ((*((auth)->ah_ops->ah_refresh))(auth)) 140 141 #define AUTH_DESTROY(auth) \ 142 ((*((auth)->ah_ops->ah_destroy))(auth)) 143 #define auth_destroy(auth) \ 144 ((*((auth)->ah_ops->ah_destroy))(auth)) 145 146 147 extern struct opaque_auth _null_auth; 148 149 150 /* 151 * These are the various implementations of client side authenticators. 152 */ 153 154 /* 155 * Unix style authentication 156 * AUTH *authunix_create(machname, uid, gid, len, aup_gids) 157 * char *machname; 158 * int uid; 159 * int gid; 160 * int len; 161 * int *aup_gids; 162 */ 163 __BEGIN_DECLS 164 extern AUTH *authunix_create __P((char *, int, int, int, int *)); 165 extern AUTH *authunix_create_default __P((void)); 166 extern AUTH *authnone_create __P((void)); 167 extern AUTH *authdes_create(); 168 __END_DECLS 169 170 #define AUTH_NONE 0 /* no authentication */ 171 #define AUTH_NULL 0 /* backward compatibility */ 172 #define AUTH_UNIX 1 /* unix style (uid, gids) */ 173 #define AUTH_SHORT 2 /* short hand unix style */ 174 #define AUTH_DES 3 /* des style (encrypted timestamps) */ 175 176 #endif /* !_RPC_AUTH_H */ 177