/*
 * ProFTPD - FTP server daemon
 * Copyright (c) 2004-2005 The ProFTPD Project team
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 *
 * As a special exemption, the ProFTPD Project and other respective copyright
 * holders give permission to link this program with OpenSSL, and distribute
 * the resulting executable, without including the source code for OpenSSL in
 * the source distribution.
 */

/* ProFTPD Auth API
 *
 * $Id: auth.h,v 1.4 2005/06/10 17:21:10 castaglia Exp $
 */

#ifndef PR_AUTH_H
#define PR_AUTH_H

/* Possible return codes for auth handlers
 */

/* Account authenticated by means other than PASS (e.g. RFC2228 modules).
 * This value is more generic than PR_AUTH_RFC2228_OK.
 */
#define PR_AUTH_OK_NO_PASS		3

/* Account authenticated by RFC2228 security data exchange */
#define PR_AUTH_RFC2228_OK		2

/* Account authenticated normally */
#define PR_AUTH_OK			0

/* Error occurred in auth handler */
#define PR_AUTH_ERROR			-1

/* Account does not exist */
#define PR_AUTH_NOPWD			-2

/* Password mismatch */
#define PR_AUTH_BADPWD			-3

/* Password hasn't been changed recently enough */
#define PR_AUTH_AGEPWD			-4

/* Account has been disabled */
#define PR_AUTH_DISABLEDPWD		-5

void pr_auth_setpwent(pool *);
void pr_auth_endpwent(pool *);
void pr_auth_setgrent(pool *);
void pr_auth_endgrent(pool *);
struct passwd *pr_auth_getpwent(pool *);
struct group *pr_auth_getgrent(pool *);
struct passwd *pr_auth_getpwnam(pool *, const char *);
struct passwd *pr_auth_getpwuid(pool *, uid_t);
struct group *pr_auth_getgrnam(pool *, const char *);
struct group *pr_auth_getgrgid(pool *, gid_t);
int pr_auth_authenticate(pool *, const char *, const char *);
int pr_auth_check(pool *, const char *, const char *, const char *);
const char *pr_auth_uid2name(pool *, uid_t);
const char *pr_auth_gid2name(pool *, gid_t);
uid_t pr_auth_name2uid(pool *, const char *);
gid_t pr_auth_name2gid(pool *, const char *);
int pr_auth_getgroups(pool *, const char *, array_header **, array_header **);
int pr_auth_requires_pass(pool *, const char *);

/* This is a convenience function used by mod_auth as part of the 
 * authentication process.  Given a user name, retrieve the <Anonymous>
 * configuration for that user.  If the user name is not be handled as
 * an anonymous login, NULL is returned.
 */
config_rec *pr_auth_get_anon_config(pool *p, char **, char **, char **);

/* For internal use only. */
int set_groups(pool *, gid_t, array_header *);

#endif /* PR_MODULES_H */

Last Updated: Thu Feb 23 11:06:43 2006

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