selinux-policy/refpolicy/policy/modules/services/mysql.if

## <summary>Policy for MySQL</summary>

########################################
## <summary>
##	Send a generic signal to MySQL.
## </summary>
## <param name="domain">
##	Domain allowed access.
## </param>
#
interface(`mysql_signal',`
	gen_require(`
		type mysqld_t;
	')

	allow $1 mysqld_t:process signal;
')

########################################
## <summary>
##	Connect to MySQL using a unix domain stream socket.
## </summary>
## <param name="domain">
##	Domain allowed access.
## </param>
#
interface(`mysql_stream_connect',`
	gen_require(`
		type mysqld_t, mysqld_var_run_t;
	')

	allow $1 mysqld_var_run_t:dir search;
	allow $1 mysqld_var_run_t:sock_file write;
	allow $1 mysqld_t:unix_stream_socket connectto;
')

########################################
## <summary>
##	Read MySQL configuration files.
## </summary>
## <param name="domain">
##	Domain allowed access.
## </param>
#
interface(`mysql_read_config',`
	gen_require(`
		type mysqld_etc_t;
	')

	allow $1 mysqld_etc_t:dir { getattr read search };
	allow $1 mysqld_etc_t:file { read getattr };
	allow $1 mysqld_etc_t:lnk_file { getattr read };
')

########################################
## <summary>
##	Search the directories that contain MySQL
##	database storage.
## </summary>
## <param name="domain">
##	Domain allowed access.
## </param>
#
# cjp: "_dir" in the name is added to clarify that this
# is not searching the database itself.
interface(`mysql_search_db',`
	gen_require(`
		type mysqld_db_t;
	')

	files_search_var_lib($1)
	allow $1 mysqld_db_t:dir search;
')

########################################
## <summary>
##	Read and write to the MySQL database directory.
## </summary>
## <param name="domain">
##	Domain allowed access.
## </param>
#
interface(`mysql_rw_db_dirs',`
	gen_require(`
		type mysqld_db_t;
	')

	files_search_var_lib($1)
	allow $1 mysqld_db_t:dir rw_dir_perms;
')

########################################
## <summary>
##	Create, read, write, and delete MySQL database directories.
## </summary>
## <param name="domain">
##	Domain allowed access.
## </param>
#
interface(`mysql_manage_db_dirs',`
	gen_require(`
		type mysqld_db_t;
	')

	files_search_var_lib($1)
	allow $1 mysqld_db_t:dir create_dir_perms;
')

########################################
## <summary>
##	Read and write to the MySQL database
##	named socket.
## </summary>
## <param name="domain">
##	Domain allowed access.
## </param>
#
interface(`mysql_rw_db_sockets',`
	gen_require(`
		type mysqld_db_t;
	')

	files_search_var_lib($1)
	allow $1 mysqld_db_t:dir search;
	allow $1 mysqld_db_t:sock_file rw_file_perms;
')

########################################
## <summary>
##	Write to the MySQL log.
## </summary>
## <param name="domain">
##	Domain allowed access.
## </param>
#
interface(`mysql_write_log',`
	gen_require(`
		type mysqld_log_t;
	')

	logging_search_logs($1)
	allow $1 mysqld_log_t:file { write append setattr ioctl };
')