1 /* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 #ifndef _RPC_AUTH_DES_H 20 #define _RPC_AUTH_DES_H 1 21 22 #include <sys/cdefs.h> 23 #include <rpc/auth.h> 24 25 __BEGIN_DECLS 26 27 /* There are two kinds of "names": fullnames and nicknames */ 28 enum authdes_namekind 29 { 30 ADN_FULLNAME, 31 ADN_NICKNAME 32 }; 33 34 /* A fullname contains the network name of the client, 35 a conversation key and the window */ 36 struct authdes_fullname 37 { 38 char *name; /* network name of client, up to MAXNETNAMELEN */ 39 des_block key; /* conversation key */ 40 uint32_t window; /* associated window */ 41 }; 42 43 /* A credential */ 44 struct authdes_cred 45 { 46 enum authdes_namekind adc_namekind; 47 struct authdes_fullname adc_fullname; 48 uint32_t adc_nickname; 49 }; 50 51 /* A timeval replacement for !32bit platforms */ 52 struct rpc_timeval 53 { 54 uint32_t tv_sec; /* Seconds. */ 55 uint32_t tv_usec; /* Microseconds. */ 56 }; 57 58 /* A des authentication verifier */ 59 struct authdes_verf 60 { 61 union 62 { 63 struct rpc_timeval adv_ctime; /* clear time */ 64 des_block adv_xtime; /* crypt time */ 65 } 66 adv_time_u; 67 uint32_t adv_int_u; 68 }; 69 70 /* des authentication verifier: client variety 71 72 adv_timestamp is the current time. 73 adv_winverf is the credential window + 1. 74 Both are encrypted using the conversation key. */ 75 #define adv_timestamp adv_time_u.adv_ctime 76 #define adv_xtimestamp adv_time_u.adv_xtime 77 #define adv_winverf adv_int_u 78 79 /* des authentication verifier: server variety 80 81 adv_timeverf is the client's timestamp + client's window 82 adv_nickname is the server's nickname for the client. 83 adv_timeverf is encrypted using the conversation key. */ 84 #define adv_timeverf adv_time_u.adv_ctime 85 #define adv_xtimeverf adv_time_u.adv_xtime 86 #define adv_nickname adv_int_u 87 88 /* Map a des credential into a unix cred. */ 89 extern int authdes_getucred (__const struct authdes_cred * __adc, 90 uid_t * __uid, gid_t * __gid, 91 short *__grouplen, gid_t * __groups) __THROW; 92 93 /* Get the public key for NAME and place it in KEY. NAME can only be 94 up to MAXNETNAMELEN bytes long and the destination buffer KEY should 95 have HEXKEYBYTES + 1 bytes long to fit all characters from the key. */ 96 extern int getpublickey (__const char *__name, char *__key) __THROW; 97 98 /* Get the secret key for NAME and place it in KEY. PASSWD is used to 99 decrypt the encrypted key stored in the database. NAME can only be 100 up to MAXNETNAMELEN bytes long and the destination buffer KEY 101 should have HEXKEYBYTES + 1 bytes long to fit all characters from 102 the key. */ 103 extern int getsecretkey (__const char *__name, char *__key, 104 __const char *__passwd) __THROW; 105 106 extern int rtime (struct sockaddr_in *__addrp, struct rpc_timeval *__timep, 107 struct rpc_timeval *__timeout) __THROW; 108 109 __END_DECLS 110 111 112 #endif /* rpc/auth_des.h */ 113
