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Diffstat (limited to 'ipc/kdbus/policy.h')
| -rw-r--r-- | ipc/kdbus/policy.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/ipc/kdbus/policy.h b/ipc/kdbus/policy.h new file mode 100644 index 000000000..15dd7bc12 --- /dev/null +++ b/ipc/kdbus/policy.h @@ -0,0 +1,51 @@ +/* + * 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 |