#ifndef AUTH_INTERNAL_INCLUDED
#define AUTH_INTERNAL_INCLUDED

/* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   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, version 2.0, 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,
   51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
/* Internals */

#include "my_global.h"                  /* NO_EMBEDDED_ACCESS_CHECKS */
#include "violite.h"                    /* SSL_type */

#include "auth_common.h"

class ACL_USER;
class ACL_PROXY_USER;
class GRANT_NAME;
class GRANT_TABLE;
class GRANT_COLUMN;
struct TABLE;

/* sql_authentication */
void optimize_plugin_compare_by_pointer(LEX_CSTRING *plugin_name);
bool auth_plugin_is_built_in(const char *plugin_name);
bool auth_plugin_supports_expiration(const char *plugin_name);


const ACL_internal_table_access *
get_cached_table_access(GRANT_INTERNAL_INFO *grant_internal_info,
                        const char *schema_name, const char *table_name);

/* sql_auth_cache */
ulong get_sort(uint count,...);


#ifndef NO_EMBEDDED_ACCESS_CHECKS

/*sql_authentication */
bool rsa_auth_status();

/* sql_auth_cache */
void rebuild_check_host(void);
ACL_USER * find_acl_user(const char *host,
                         const char *user,
                         my_bool exact);
ACL_PROXY_USER * acl_find_proxy_user(const char *user,
                                     const char *host,
                                     const char *ip,
                                     char *authenticated_as,
                                     bool *proxy_used);
bool set_user_salt(ACL_USER *acl_user);
void acl_insert_proxy_user(ACL_PROXY_USER *new_value);

void acl_update_user(const char *user, const char *host,
                     enum SSL_type ssl_type,
                     const char *ssl_cipher,
                     const char *x509_issuer,
                     const char *x509_subject,
                     USER_RESOURCES  *mqh,
                     ulong privileges,
                     const LEX_CSTRING &plugin,
                     const LEX_CSTRING &auth,
                     MYSQL_TIME password_change_time,
                     LEX_ALTER password_life,
                     ulong what_is_set);
void acl_insert_user(const char *user, const char *host,
                     enum SSL_type ssl_type,
                     const char *ssl_cipher,
                     const char *x509_issuer,
                     const char *x509_subject,
                     USER_RESOURCES *mqh,
                     ulong privileges,
                     const LEX_CSTRING &plugin,
                     const LEX_CSTRING &auth,
		     MYSQL_TIME password_change_time,
                     LEX_ALTER password_life);
void acl_update_proxy_user(ACL_PROXY_USER *new_value, bool is_revoke);
void acl_update_db(const char *user, const char *host, const char *db,
                   ulong privileges);
void acl_insert_db(const char *user, const char *host, const char *db,
                   ulong privileges);
bool update_sctx_cache(Security_context *sctx, ACL_USER *acl_user_ptr,
                       bool expired);

/* sql_user_table */
ulong get_access(TABLE *form,uint fieldnr, uint *next_field);
bool acl_end_trans_and_close_tables(THD *thd, bool rollback_transaction);
void acl_notify_htons(THD* thd, const char* query, size_t query_length);
int replace_db_table(TABLE *table, const char *db,
                     const LEX_USER &combo,
                     ulong rights, bool revoke_grant);
int replace_user_table(THD *thd, TABLE *table, LEX_USER *combo,
                       ulong rights, bool revoke_grant,
                       bool can_create_user, ulong what_to_replace);
int replace_proxies_priv_table(THD *thd, TABLE *table, const LEX_USER *user,
                               const LEX_USER *proxied_user,
                               bool with_grant_arg, bool revoke_grant);
int replace_column_table(GRANT_TABLE *g_t,
                         TABLE *table, const LEX_USER &combo,
                         List <LEX_COLUMN> &columns,
                         const char *db, const char *table_name,
                         ulong rights, bool revoke_grant);
int replace_table_table(THD *thd, GRANT_TABLE *grant_table,
                        TABLE *table, const LEX_USER &combo,
                        const char *db, const char *table_name,
                        ulong rights, ulong col_rights,
                        bool revoke_grant);
int replace_routine_table(THD *thd, GRANT_NAME *grant_name,
                          TABLE *table, const LEX_USER &combo,
                          const char *db, const char *routine_name,
                          bool is_proc, ulong rights, bool revoke_grant);
int open_grant_tables(THD *thd, TABLE_LIST *tables, bool *transactional_tables);
int handle_grant_table(TABLE_LIST *tables, uint table_no, bool drop,
                       LEX_USER *user_from, LEX_USER *user_to);

void acl_print_ha_error(TABLE *table, int handler_error);
/* sql_authorization */
bool is_privileged_user_for_credential_change(THD *thd);

#endif /* NO_EMBEDDED_ACCESS_CHECKS */

#endif /* AUTH_INTERNAL_INCLUDED */
