## <summary>Milter mail filters</summary>

########################################

## <summary>

##	Create a set of derived types for various

##	mail filter applications using the milter interface.

## </summary>

## <param name="milter_name">

##	<summary>

##	The name to be used for deriving type names.

##	</summary>

## </param>

#

template(`milter_template',`

	# attributes common to all milters

	gen_require(`

		attribute milter_data_type, milter_domains;

	')

	type $1_milter_t, milter_domains;

	type $1_milter_exec_t;

	init_daemon_domain($1_milter_t, $1_milter_exec_t)

	role system_r types $1_milter_t;

	# Type for the milter data (e.g. the socket used to communicate with the MTA)

	type $1_milter_data_t, milter_data_type;

	files_pid_file($1_milter_data_t)

	# Allow communication with MTA over a unix-domain socket

	# Note: usage with TCP sockets requires additional policy

	allow $1_milter_t self:fifo_file rw_fifo_file_perms;

	# Allow communication with MTA over a TCP socket

	allow $1_milter_t self:tcp_socket create_stream_socket_perms;

	# Allow communication with MTA over a unix-domain socket

	manage_sock_files_pattern($1_milter_t, $1_milter_data_t, $1_milter_data_t)

	# Create other data files and directories in the data directory

	manage_files_pattern($1_milter_t, $1_milter_data_t, $1_milter_data_t)

	kernel_dontaudit_read_system_state($1_milter_t)

	corenet_tcp_bind_generic_node($1_milter_t)

	corenet_tcp_bind_milter_port($1_milter_t)

	files_read_etc_files($1_milter_t)

	logging_send_syslog_msg($1_milter_t)

')

########################################

## <summary>

##	MTA communication with milter sockets

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`milter_stream_connect_all',`

	gen_require(`

		attribute milter_data_type, milter_domains;

	')

	files_search_pids($1)

	getattr_dirs_pattern($1, milter_data_type, milter_data_type)

	stream_connect_pattern($1, milter_data_type, milter_data_type, milter_domains)

')

########################################

## <summary>

##	Allow getattr of milter sockets

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`milter_getattr_all_sockets',`

	gen_require(`

		attribute milter_data_type;

	')

	getattr_dirs_pattern($1, milter_data_type, milter_data_type)

	getattr_sock_files_pattern($1, milter_data_type, milter_data_type)

')

########################################

## <summary>

##	Allow setattr of milter dirs

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`milter_setattr_all_dirs',`

	gen_require(`

		attribute milter_data_type;

	')

	setattr_dirs_pattern($1, milter_data_type, milter_data_type)

')

########################################

## <summary>

##	Manage spamassassin milter state

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`milter_manage_spamass_state',`

	gen_require(`

		type spamass_milter_state_t;

	')

	files_search_var_lib($1)

	manage_files_pattern($1, spamass_milter_state_t, spamass_milter_state_t)

	manage_dirs_pattern($1, spamass_milter_state_t, spamass_milter_state_t)

	manage_lnk_files_pattern($1, spamass_milter_state_t, spamass_milter_state_t)

')

#######################################

## <summary>

##	Delete dkim-milter PID files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`milter_delete_dkim_pid_files',`

	gen_require(`

		type dkim_milter_data_t;

	')

	files_search_pids($1)

	delete_files_pattern($1, dkim_milter_data_t, dkim_milter_data_t)

')