## <summary>Courier IMAP and POP3 email servers</summary>

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

## <summary>

##	Template for creating courier server processes.

## </summary>

## <param name="prefix">

##	<summary>

##	Prefix name of the server process.

##	</summary>

## </param>

#

template(`courier_domain_template',`

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

	#

	# Declarations

	#

	type courier_$1_t;

	type courier_$1_exec_t;

	init_daemon_domain(courier_$1_t,courier_$1_exec_t)

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

	#

	# Declarations

	#

	allow courier_$1_t self:capability dac_override;

	dontaudit courier_$1_t self:capability sys_tty_config;

	allow courier_$1_t self:process { setpgid signal_perms };

	allow courier_$1_t self:fifo_file { read write getattr };

	allow courier_$1_t self:tcp_socket create_stream_socket_perms;

	allow courier_$1_t self:udp_socket create_socket_perms;

	can_exec(courier_$1_t, courier_$1_exec_t)

	allow courier_$1_t courier_etc_t:file r_file_perms;

	allow courier_$1_t courier_etc_t:dir r_dir_perms;

	allow courier_$1_t courier_var_run_t:dir rw_dir_perms;

	allow courier_$1_t courier_var_run_t:file create_file_perms;

	allow courier_$1_t courier_var_run_t:lnk_file create_lnk_perms;

	allow courier_$1_t courier_var_run_t:sock_file create_file_perms;

	files_search_pids(courier_$1_t)

	kernel_read_system_state(courier_$1_t)

	kernel_read_kernel_sysctls(courier_$1_t)

	corecmd_exec_bin(courier_$1_t)

	corenet_non_ipsec_sendrecv(courier_$1_t)

	corenet_tcp_sendrecv_generic_if(courier_$1_t)

	corenet_udp_sendrecv_generic_if(courier_$1_t)

	corenet_tcp_sendrecv_all_nodes(courier_$1_t)

	corenet_udp_sendrecv_all_nodes(courier_$1_t)

	corenet_tcp_sendrecv_all_ports(courier_$1_t)

	corenet_udp_sendrecv_all_ports(courier_$1_t)

	dev_read_sysfs(courier_$1_t)

	domain_use_interactive_fds(courier_$1_t)

	files_read_etc_files(courier_$1_t)

	files_read_etc_runtime_files(courier_$1_t)

	files_read_usr_files(courier_$1_t)

	fs_getattr_xattr_fs(courier_$1_t)

	fs_search_auto_mountpoints(courier_$1_t)

	term_dontaudit_use_console(courier_$1_t)

	init_use_fds(courier_$1_t)

	init_use_script_ptys(courier_$1_t)

	libs_use_ld_so(courier_$1_t)

	libs_use_shared_libs(courier_$1_t)

	logging_send_syslog_msg(courier_$1_t)

	sysnet_read_config(courier_$1_t)

	userdom_dontaudit_use_unpriv_user_fds(courier_$1_t)

	ifdef(`targeted_policy',`

		term_dontaudit_use_unallocated_ttys(courier_$1_t)

		term_dontaudit_use_generic_ptys(courier_$1_t)

		files_dontaudit_read_root_files(courier_$1_t)

	')

	optional_policy(`

		seutil_sigchld_newrole(courier_$1_t)

	')

	optional_policy(`

		udev_read_db(courier_$1_t)

	')

')

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

## <summary>

##	Execute the courier authentication daemon with

##	a domain transition.

## </summary>

## <param name="prefix">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`courier_domtrans_authdaemon',`

	gen_require(`

		type courier_authdaemon_t, courier_authdaemon_exec_t;

	')

	domain_auto_trans($1, courier_authdaemon_exec_t, courier_authdaemon_t)

	allow courier_authdaemon_t $1:fd use;

	allow courier_authdaemon_t $1:fifo_file rw_file_perms;

	allow courier_authdaemon_t $1:process sigchld;

')

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

## <summary>

##	Execute the courier POP3 and IMAP server with

##	a domain transition.

## </summary>

## <param name="prefix">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`courier_domtrans_pop',`

	gen_require(`

		type courier_pop_t, courier_pop_exec_t;

	')

	domain_auto_trans($1, courier_pop_exec_t, courier_pop_t)

	allow courier_pop_t $1:fd use;

	allow courier_pop_t $1:fifo_file rw_file_perms;

	allow courier_pop_t $1:process sigchld;

')