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/*
* Copyright (c) mjh-EDV Beratung, 1996-1999
* mjh-EDV Beratung - 63263 Neu-Isenburg - Rosenstrasse 12
* Tel +49 6102 328279 - Fax +49 6102 328278
* Email info@mjh.teddy-net.com
*
* Author: Jordan Hrycaj <jordan@mjh.teddy-net.com>
*
* $Id: peks-file.h,v 1.11.2.1 2001/01/27 16:01:53 jordan Exp $
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* PEKS - private exponent key stuff for Diffie Hellman and El Gamal
*/
#ifndef __PEKS_FILE_H__
#define __PEKS_FILE_H__
/* some defs that affects password or key file locking */
#ifdef HAVE_SELECT
#define USE_SELECT_SLEEP
#elif defined (HAVE_POLL)
#define USE_POLL_SLEEP
#endif
/* stdout, implements sleep () using select/poll */
#ifndef FILE_LOCK_POLL_FD
#define FILE_LOCK_POLL_FD 1
#endif
/* max milli secs to wait betw checks */
#ifndef FILE_LOCK_WAITMOD_MS
#define FILE_LOCK_WAITMOD_MS 500
#endif
/* max time to wait till the lock has vanished */
#ifndef FILE_LOCK_MAXW_SECS
#define FILE_LOCK_MAXW_SECS 1
#endif
/* a lock file older than that will be removed */
#ifndef FILE_LOCK_STALE_SECS
#define FILE_LOCK_STALE_SECS 90
#endif
/* the set of valid chars for a user name besides 0..9, a..z, A..Z */
#ifndef USERNAME_XCHARS
#define USERNAME_XCHARS "_-."
#endif
/* the set of valid chars that will be replaced by <escape><hex> */
#ifndef USERNAME_RCHARS
#define USERNAME_RCHARS " \t"
#endif
#ifndef USERNAME_ESCAPE
#define USERNAME_ESCAPE '%'
#endif
/* a user name must not start with a digit */
#ifndef USERNAME_NODGTSTART
#define USERNAME_NODGTSTART 1
#endif
/* file/path checking:
All user/group ids less or equal are considered admins
pass -1 to disable ckecking */
#ifndef ROOT_UID_EQUIV_LE
#define ROOT_UID_EQUIV_LE 50
#endif
#ifndef ROOT_GID_EQUIV_LE
#define ROOT_GID_EQUIV_LE 50
#endif
#ifndef XPUB
#define XPUB /* extract public interface */
#endif
XPUB
XPUB /* public functions in peks-file.c */
XPUB
XPUB extern int peks_private_access
XPUB (const char *filename, int strictly) ;
XPUB
XPUB extern peks_key *peks_private_key
XPUB (const char *usrathost, const char *file,
XPUB char *(*get_pwd)(int), unsigned keylen);
XPUB
XPUB extern int peks_save_private_key
XPUB (const char *uath, peks_key *key,
XPUB const char *file, char *(*get_pwd)(int));
XPUB
XPUB extern char *peks_edit_passwd_file
XPUB (const peks_key *k, const char *usrathost,
XPUB int count, const char *pwd, const char *file);
XPUB
XPUB extern int peks_save_public_key
XPUB (const char *uath, peks_key *key, const char *file) ;
XPUB
XPUB extern int peks_delete_userkey
XPUB (const char *usrathost, const char *file, char *(*get_pwd)(int));
XPUB
XPUB extern int peks_delete_hostkey
XPUB (const char *host, const char *file, char *(*get_pwd)(int));
XPUB
XPUB extern int peks_list_keyfile
XPUB (void (*prt) (const char *), const char *file);
XPUB
XPUB extern unsigned long peks_admin_equiv
XPUB (unsigned uid, unsigned gid);
XPUB
extern peks_key *read_peks_key
(char **AccMask,
const char *usr, const char *tag, int g_type, const char *file,
char *(*)(int,char*(*get_pwd)(int)), char *(*get_pwd)(int));
extern int save_peks_key
(peks_key *, const char *usr, const char *tag, int g_type,
const char *file, const char *lockfile,
char *(*)(int,char*(*)(int)), char *(*get_pwd)(int));
extern int check_peks_sender_key
(peks_key *, const char *usr, const char *host,
unsigned create_flag, const char *file);
extern peks_key *read_peks_keyfile
(const char *usr, const char *host, const char *file,
char *(*)(int,char*(*)(int)), char *(*get_pwd)(int));
extern int create_peks_keyfile
(peks_key *, const char *usr, const char *host, const char *file,
char *(*)(int,char*(*)(int)), char *(*get_pwd)(int));
extern unsigned valid_user_name
(char *buf, /* NULL or ls large as (3*strlen (s)+1) */
const char *s);
#endif /* __PEKS_FILE_H__ */
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