/* Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef _LUA_PASSWD_H

#define _LUA_PASSWD_H

#include "apr.h"

#include "apr_lib.h"

#include "apr_strings.h"

#include "apr_errno.h"

#include "apr_file_io.h"

#include "apr_general.h"

#include "apr_version.h"

#if !APR_VERSION_AT_LEAST(2,0,0)

#include "apu_version.h"

#endif

#define MAX_PASSWD_LEN 256

#define ALG_APMD5  0

#define ALG_APSHA  1

#define ALG_BCRYPT 2

#define ALG_CRYPT  3

#define BCRYPT_DEFAULT_COST 5

#define ERR_FILEPERM 1

#define ERR_SYNTAX 2

#define ERR_PWMISMATCH 3

#define ERR_INTERRUPTED 4

#define ERR_OVERFLOW 5

#define ERR_BADUSER 6

#define ERR_INVALID 7

#define ERR_RANDOM 8

#define ERR_GENERAL 9

#define ERR_ALG_NOT_SUPP 10

#if defined(WIN32) || defined(NETWARE)

#define CRYPT_ALGO_SUPPORTED 0

#define PLAIN_ALGO_SUPPORTED 1

#else

#define CRYPT_ALGO_SUPPORTED 1

#define PLAIN_ALGO_SUPPORTED 0

#endif

#if APR_VERSION_AT_LEAST(2,0,0) || \

    (APU_MAJOR_VERSION == 1 && APU_MINOR_VERSION >= 5)

#define BCRYPT_ALGO_SUPPORTED 1

#else

#define BCRYPT_ALGO_SUPPORTED 0

#endif

typedef struct passwd_ctx passwd_ctx;

struct passwd_ctx {

    apr_pool_t      *pool;

    const char      *errstr;

    char            *out;

    apr_size_t      out_len;

    char            *passwd;

    int             alg;

    int             cost;

};

/*

 * The following functions return zero on success; otherwise, one of

 * the ERR_* codes is returned and an error message is stored in ctx->errstr.

 */

/*

 * Make a password record from the given information.

 */

int mk_password_hash(passwd_ctx *ctx);

#endif /* _LUA_PASSWD_H */