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/** BEGIN COPYRIGHT BLOCK
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
* Additional permission under GPLv3 section 7:
*
* In the following paragraph, "GPL" means the GNU General Public
* License, version 3 or any later version, and "Non-GPL Code" means
* code that is governed neither by the GPL nor a license
* compatible with the GPL.
*
* You may link the code of this Program with Non-GPL Code and convey
* linked combinations including the two, provided that such Non-GPL
* Code only links to the code of this Program through those well
* defined interfaces identified in the file named EXCEPTION found in
* the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline
* functions from the Approved Interfaces without causing the resulting
* work to be covered by the GPL. Only the copyright holders of this
* Program may make changes or additions to the list of Approved
* Interfaces.
*
* Authors:
* Nathaniel McCallum <npmccallum@redhat.com>
*
* Copyright (C) 2013 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifndef LIBOTP_H_
#define LIBOTP_H_
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <dirsrv/slapi-plugin.h>
#include <stdbool.h>
#include <stdlib.h>
struct otptoken;
/* Frees the token array. */
void otptoken_free_array(struct otptoken **tokens);
/* Find tokens.
*
* All criteria below are cumulative. For example, if you specify both dn and
* active and the token at the dn specified isn't active, an empty array will
* be returned.
*
* If user_dn is not NULL, the user's tokens are returned.
*
* If token_dn is not NULL, only this specified token is returned.
*
* If active is true, only tokens that are active are returned.
*
* If filter is not NULL, the filter will be added to the search criteria.
*
* Returns NULL on error. If no tokens are found, an empty array is returned.
* The array is NULL terminated.
*/
struct otptoken **otptoken_find(Slapi_ComponentId *id, const char *user_dn,
const char *token_dn, bool active,
const char *filter);
/* Get the length of the token code. */
int otptoken_get_digits(struct otptoken *token);
/* Get the SDN of the token. */
const Slapi_DN *otptoken_get_sdn(struct otptoken *token);
/* Validate the token code within a range of steps. */
bool otptoken_validate(struct otptoken *token, size_t steps, uint32_t code);
/* Validate the token code within a range of steps. If tail is true,
* it will be assumed that the token is specified at the end of the string. */
bool otptoken_validate_string(struct otptoken *token, size_t steps,
const char *code, ssize_t len, bool tail);
/* Synchronize the token within a range of steps. */
bool otptoken_sync(struct otptoken * const *tokens, size_t steps,
uint32_t first_code, uint32_t second_code);
#endif /* LIBOTP_H_ */
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