auth.h revision 1.14
1 /* $NetBSD: auth.h,v 1.14 1998/11/16 12:07:43 christos Exp $ */ 2 3 /* 4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 5 * unrestricted use provided that this legend is included on all tape 6 * media and as a part of the software program in whole or part. Users 7 * may copy or modify Sun RPC without charge, but are not authorized 8 * to license or distribute it to anyone else except as part of a product or 9 * program developed by the user. 10 * 11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 14 * 15 * Sun RPC is provided with no support and without any obligation on the 16 * part of Sun Microsystems, Inc. to assist in its use, correction, 17 * modification or enhancement. 18 * 19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 21 * OR ANY PART THEREOF. 22 * 23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 24 * or profits or other special, indirect and consequential damages, even if 25 * Sun has been advised of the possibility of such damages. 26 * 27 * Sun Microsystems, Inc. 28 * 2550 Garcia Avenue 29 * Mountain View, California 94043 30 * 31 * from: @(#)auth.h 1.17 88/02/08 SMI 32 * @(#)auth.h 2.3 88/08/07 4.0 RPCSRC 33 */ 34 35 /* 36 * auth.h, Authentication interface. 37 * 38 * Copyright (C) 1984, Sun Microsystems, Inc. 39 * 40 * The data structures are completely opaque to the client. The client 41 * is required to pass a AUTH * to routines that create rpc 42 * "sessions". 43 */ 44 45 #ifndef _RPC_AUTH_H_ 46 #define _RPC_AUTH_H_ 47 #include <sys/cdefs.h> 48 49 #define MAX_AUTH_BYTES 400 50 #define MAXNETNAMELEN 255 /* maximum length of network user's name */ 51 52 /* 53 * Status returned from authentication check 54 */ 55 enum auth_stat { 56 AUTH_OK=0, 57 /* 58 * failed at remote end 59 */ 60 AUTH_BADCRED=1, /* bogus credentials (seal broken) */ 61 AUTH_REJECTEDCRED=2, /* client should begin new session */ 62 AUTH_BADVERF=3, /* bogus verifier (seal broken) */ 63 AUTH_REJECTEDVERF=4, /* verifier expired or was replayed */ 64 AUTH_TOOWEAK=5, /* rejected due to security reasons */ 65 /* 66 * failed locally 67 */ 68 AUTH_INVALIDRESP=6, /* bogus response verifier */ 69 AUTH_FAILED=7 /* some unknown reason */ 70 }; 71 72 typedef u_int32_t u_int32; /* 32-bit unsigned integers */ 73 74 union des_block { 75 struct { 76 u_int32 high; 77 u_int32 low; 78 } key; 79 char c[8]; 80 }; 81 typedef union des_block des_block; 82 __BEGIN_DECLS 83 extern bool_t xdr_des_block __P((XDR *, des_block *)); 84 __END_DECLS 85 86 /* 87 * Authentication info. Opaque to client. 88 */ 89 struct opaque_auth { 90 enum_t oa_flavor; /* flavor of auth */ 91 caddr_t oa_base; /* address of more auth stuff */ 92 u_int oa_length; /* not to exceed MAX_AUTH_BYTES */ 93 }; 94 95 96 /* 97 * Auth handle, interface to client side authenticators. 98 */ 99 typedef struct __rpc_auth { 100 struct opaque_auth ah_cred; 101 struct opaque_auth ah_verf; 102 union des_block ah_key; 103 const struct auth_ops { 104 void (*ah_nextverf) __P((struct __rpc_auth *)); 105 /* nextverf & serialize */ 106 int (*ah_marshal) __P((struct __rpc_auth *, XDR *)); 107 /* validate varifier */ 108 int (*ah_validate) __P((struct __rpc_auth *, 109 struct opaque_auth *)); 110 /* refresh credentials */ 111 int (*ah_refresh) __P((struct __rpc_auth *)); 112 /* destroy this structure */ 113 void (*ah_destroy) __P((struct __rpc_auth *)); 114 } *ah_ops; 115 void *ah_private; 116 } AUTH; 117 118 119 /* 120 * Authentication ops. 121 * The ops and the auth handle provide the interface to the authenticators. 122 * 123 * AUTH *auth; 124 * XDR *xdrs; 125 * struct opaque_auth verf; 126 */ 127 #define AUTH_NEXTVERF(auth) \ 128 ((*((auth)->ah_ops->ah_nextverf))(auth)) 129 #define auth_nextverf(auth) \ 130 ((*((auth)->ah_ops->ah_nextverf))(auth)) 131 132 #define AUTH_MARSHALL(auth, xdrs) \ 133 ((*((auth)->ah_ops->ah_marshal))(auth, xdrs)) 134 #define auth_marshall(auth, xdrs) \ 135 ((*((auth)->ah_ops->ah_marshal))(auth, xdrs)) 136 137 #define AUTH_VALIDATE(auth, verfp) \ 138 ((*((auth)->ah_ops->ah_validate))((auth), verfp)) 139 #define auth_validate(auth, verfp) \ 140 ((*((auth)->ah_ops->ah_validate))((auth), verfp)) 141 142 #define AUTH_REFRESH(auth) \ 143 ((*((auth)->ah_ops->ah_refresh))(auth)) 144 #define auth_refresh(auth) \ 145 ((*((auth)->ah_ops->ah_refresh))(auth)) 146 147 #define AUTH_DESTROY(auth) \ 148 ((*((auth)->ah_ops->ah_destroy))(auth)) 149 #define auth_destroy(auth) \ 150 ((*((auth)->ah_ops->ah_destroy))(auth)) 151 152 153 extern struct opaque_auth _null_auth; 154 155 156 /* 157 * These are the various implementations of client side authenticators. 158 */ 159 160 /* 161 * Unix style authentication 162 * AUTH *authunix_create(machname, uid, gid, len, aup_gids) 163 * char *machname; 164 * int uid; 165 * int gid; 166 * int len; 167 * int *aup_gids; 168 */ 169 __BEGIN_DECLS 170 struct sockaddr_in; 171 extern AUTH *authunix_create __P((char *, int, int, int, int *)); 172 extern AUTH *authunix_create_default __P((void)); 173 extern AUTH *authnone_create __P((void)); 174 extern AUTH *authdes_create __P((char *, u_int, 175 struct sockaddr_in *, des_block *)); 176 extern bool_t xdr_opaque_auth __P((XDR *, struct opaque_auth *)); 177 178 struct svc_req; 179 struct rpc_msg; 180 enum auth_stat _svcauth_null __P((struct svc_req *, struct rpc_msg *)); 181 enum auth_stat _svcauth_short __P((struct svc_req *, struct rpc_msg *)); 182 enum auth_stat _svcauth_unix __P((struct svc_req *, struct rpc_msg *)); 183 __END_DECLS 184 185 #define AUTH_NONE 0 /* no authentication */ 186 #define AUTH_NULL 0 /* backward compatibility */ 187 #define AUTH_UNIX 1 /* unix style (uid, gids) */ 188 #define AUTH_SHORT 2 /* short hand unix style */ 189 #define AUTH_DES 3 /* des style (encrypted timestamps) */ 190 191 #endif /* !_RPC_AUTH_H_ */ 192
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