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/*
* Copyright (C) 2013-2015 Kay Sievers
* Copyright (C) 2013-2015 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Copyright (C) 2013-2015 Daniel Mack <daniel@zonque.org>
* Copyright (C) 2013-2015 David Herrmann <dh.herrmann@gmail.com>
* Copyright (C) 2013-2015 Linux Foundation
*
* kdbus is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*/
#ifndef __KDBUS_POLICY_H
#define __KDBUS_POLICY_H
#include <linux/hashtable.h>
#include <linux/rwsem.h>
struct kdbus_conn;
struct kdbus_item;
/**
* struct kdbus_policy_db - policy database
* @entries_hash: Hashtable of entries
* @entries_rwlock: Mutex to protect the database's access entries
*/
struct kdbus_policy_db {
DECLARE_HASHTABLE(entries_hash, 6);
struct rw_semaphore entries_rwlock;
};
void kdbus_policy_db_init(struct kdbus_policy_db *db);
void kdbus_policy_db_clear(struct kdbus_policy_db *db);
int kdbus_policy_query_unlocked(struct kdbus_policy_db *db,
const struct cred *cred, const char *name,
unsigned int hash);
int kdbus_policy_query(struct kdbus_policy_db *db, const struct cred *cred,
const char *name, unsigned int hash);
void kdbus_policy_remove_owner(struct kdbus_policy_db *db,
const void *owner);
int kdbus_policy_set(struct kdbus_policy_db *db,
const struct kdbus_item *items,
size_t items_size,
size_t max_policies,
bool allow_wildcards,
const void *owner);
#endif
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