include/rpc/auth_des.h

   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  *      @(#)auth_des.h  2.2 88/07/29 4.0 RPCSRC; from 1.3 88/02/08 SMI
  30  *      $DragonFly: src/include/rpc/auth_des.h,v 1.2 2003/11/14 01:01:50 dillon Exp $
  31  */
  32
  33 /*
  34  * Copyright (c) 1988 by Sun Microsystems, Inc.
  35  */
  36
  37 /*
  38  * auth_des.h, Protocol for DES style authentication for RPC
  39  */
  40
  41 #ifndef _AUTH_DES_
  42 #define _AUTH_DES_
  43
  44 /*
  45  * There are two kinds of "names": fullnames and nicknames
  46  */
  47 enum authdes_namekind {
  48         ADN_FULLNAME,
  49         ADN_NICKNAME
  50 };
  51
  52 /*
  53  * A fullname contains the network name of the client,
  54  * a conversation key and the window
  55  */
  56 struct authdes_fullname {
  57         char *name;             /* network name of client, up to MAXNETNAMELEN */
  58         des_block key;          /* conversation key */
  59         u_long window;          /* associated window */
  60 };
  61
  62
  63 /*
  64  * A credential
  65  */
  66 struct authdes_cred {
  67         enum authdes_namekind adc_namekind;
  68         struct authdes_fullname adc_fullname;
  69         u_long adc_nickname;
  70 };
  71
  72
  73
  74 /*
  75  * A des authentication verifier
  76  */
  77 struct authdes_verf {
  78         union {
  79                 struct timeval adv_ctime;       /* clear time */
  80                 des_block adv_xtime;            /* crypt time */
  81         } adv_time_u;
  82         u_long adv_int_u;
  83 };
  84
  85 /*
  86  * des authentication verifier: client variety
  87  *
  88  * adv_timestamp is the current time.
  89  * adv_winverf is the credential window + 1.
  90  * Both are encrypted using the conversation key.
  91  */
  92 #define adv_timestamp   adv_time_u.adv_ctime
  93 #define adv_xtimestamp  adv_time_u.adv_xtime
  94 #define adv_winverf     adv_int_u
  95
  96 /*
  97  * des authentication verifier: server variety
  98  *
  99  * adv_timeverf is the client's timestamp + client's window
 100  * adv_nickname is the server's nickname for the client.
 101  * adv_timeverf is encrypted using the conversation key.
 102  */
 103 #define adv_timeverf    adv_time_u.adv_ctime
 104 #define adv_xtimeverf   adv_time_u.adv_xtime
 105 #define adv_nickname    adv_int_u
 106
 107 __BEGIN_DECLS
 108 extern int authdes_getucred ( struct authdes_cred *, uid_t *, gid_t *, int *, gid_t * );
 109 __END_DECLS
 110
 111 #endif /* ndef _AUTH_DES_ */