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112 lines
3.5 KiB
C
112 lines
3.5 KiB
C
8 years ago
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/* Copyright (C) 1996-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _RPC_AUTH_DES_H
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#define _RPC_AUTH_DES_H 1
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#include <sys/cdefs.h>
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#include <rpc/auth.h>
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__BEGIN_DECLS
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/* There are two kinds of "names": fullnames and nicknames */
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enum authdes_namekind
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{
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ADN_FULLNAME,
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ADN_NICKNAME
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};
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/* A fullname contains the network name of the client,
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a conversation key and the window */
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struct authdes_fullname
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{
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char *name; /* network name of client, up to MAXNETNAMELEN */
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des_block key; /* conversation key */
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uint32_t window; /* associated window */
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};
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/* A credential */
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struct authdes_cred
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{
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enum authdes_namekind adc_namekind;
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struct authdes_fullname adc_fullname;
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uint32_t adc_nickname;
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};
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/* A timeval replacement for !32bit platforms */
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struct rpc_timeval
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{
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uint32_t tv_sec; /* Seconds. */
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uint32_t tv_usec; /* Microseconds. */
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};
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/* A des authentication verifier */
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struct authdes_verf
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{
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union
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{
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struct rpc_timeval adv_ctime; /* clear time */
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des_block adv_xtime; /* crypt time */
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}
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adv_time_u;
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uint32_t adv_int_u;
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};
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/* des authentication verifier: client variety
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adv_timestamp is the current time.
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adv_winverf is the credential window + 1.
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Both are encrypted using the conversation key. */
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#define adv_timestamp adv_time_u.adv_ctime
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#define adv_xtimestamp adv_time_u.adv_xtime
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#define adv_winverf adv_int_u
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/* des authentication verifier: server variety
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adv_timeverf is the client's timestamp + client's window
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adv_nickname is the server's nickname for the client.
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adv_timeverf is encrypted using the conversation key. */
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#define adv_timeverf adv_time_u.adv_ctime
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#define adv_xtimeverf adv_time_u.adv_xtime
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#define adv_nickname adv_int_u
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/* Map a des credential into a unix cred. */
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extern int authdes_getucred (const struct authdes_cred * __adc,
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uid_t * __uid, gid_t * __gid,
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short *__grouplen, gid_t * __groups) __THROW;
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/* Get the public key for NAME and place it in KEY. NAME can only be
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up to MAXNETNAMELEN bytes long and the destination buffer KEY should
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have HEXKEYBYTES + 1 bytes long to fit all characters from the key. */
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extern int getpublickey (const char *__name, char *__key) __THROW;
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/* Get the secret key for NAME and place it in KEY. PASSWD is used to
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decrypt the encrypted key stored in the database. NAME can only be
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up to MAXNETNAMELEN bytes long and the destination buffer KEY
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should have HEXKEYBYTES + 1 bytes long to fit all characters from
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the key. */
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extern int getsecretkey (const char *__name, char *__key,
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const char *__passwd) __THROW;
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extern int rtime (struct sockaddr_in *__addrp, struct rpc_timeval *__timep,
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struct rpc_timeval *__timeout) __THROW;
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__END_DECLS
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#endif /* rpc/auth_des.h */
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