/******************************************************************************
 *
 *                Copyright (c) 2017-2019 by Löwenware Ltd
 *             Please, refer LICENSE file for legal information
 *
 ******************************************************************************/

/**
 * @file passwd.h
 * @author Ilja Kartašov <ik@lowenware.com>
 * @brief 
 *
 * @see https://lowenware.com/
 */

#ifndef AX_PASSWD_H_0DE6E254_27E2_4DEF_A88A_4EE84D5C00DA
#define AX_PASSWD_H_0DE6E254_27E2_4DEF_A88A_4EE84D5C00DA

#include <stdint.h>
#include <stdbool.h>
#include <openssl/sha.h>

#define AX_PASSWD_TOKENS 4
#define AX_PASSWD_SALT_SIZE 16
#define AX_PASSWD_HASH_SIZE SHA1_DIGEST_LENGTH 

struct ax_passwd {
	uint32_t uid;
	uint32_t gid;
	char *name;
	char salt[AX_PASSWD_SALT_SIZE];
	char hash[AX_PASSWD_HASH_SIZE];
};

typedef struct ax_passwd * AxPasswd;


int
ax_passwd_import(struct ax_passwd **p_out, const char *file);


int
ax_passwd_export(const struct ax_passwd *in, int size, const char *file);


int
ax_passwd_verify(const struct ax_passwd *passwd, const char *password);


int
ax_passwd_set_hash(struct ax_passwd *out, const char *password);


int
ax_passwd_free(struct ax_passwd **p_out, int size);

#endif /* !AX_PASSWD_H */