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

## <summary>Common UNIX printing system</summary>

########################################
## <summary>
##	Execute cups in the cups domain.
## </summary>
## <param name="domain">
##	<summary>
##	The type of the process performing this action.
##	</summary>
## </param>
#
interface(`cups_domtrans',`
	gen_require(`
		type cupsd_t, cupsd_exec_t;
	')

	domain_auto_trans($1,cupsd_exec_t,cupsd_t)

	allow $1 cupsd_t:fd use;
	allow cupsd_t $1:fd use;
	allow cupsd_t $1:fifo_file rw_file_perms;
	allow cupsd_t $1:process sigchld;
')

########################################
## <summary>
##	Connect to cupsd over an unix domain stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`cups_stream_connect',`
	gen_require(`
		type cupsd_t, cupsd_var_run_t;
	')

	files_search_pids($1)
	allow $1 cupsd_var_run_t:dir search;
	allow $1 cupsd_var_run_t:sock_file { getattr write };
	allow $1 cupsd_t:unix_stream_socket connectto;
')

########################################
## <summary>
##	Connect to cups over TCP.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`cups_tcp_connect',`
	gen_require(`
		type cupsd_t;
	')

	allow $1 cupsd_t:tcp_socket { connectto recvfrom };
	allow cupsd_t $1:tcp_socket { acceptfrom recvfrom };
	kernel_tcp_recvfrom($1)
')

########################################
## <summary>
##	Send and receive messages from
##	cups over dbus.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`cups_dbus_chat',`
	gen_require(`
		type cupsd_t;
		class dbus send_msg;
	')

	allow $1 cupsd_t:dbus send_msg;
	allow cupsd_t $1:dbus send_msg;
')

########################################
## <summary>
##	Execute cups_config in the cups_config domain.
## </summary>
## <param name="domain">
##	<summary>
##	The type of the process performing this action.
##	</summary>
## </param>
#
interface(`cups_domtrans_config',`
	gen_require(`
		type cupsd_config_t, cupsd_config_exec_t;
	')

	domain_auto_trans($1,cupsd_config_exec_t,cupsd_config_t)

	allow $1 cupsd_config_t:fd use;
	allow cupsd_config_t $1:fd use;
	allow cupsd_config_t $1:fifo_file rw_file_perms;
	allow cupsd_config_t $1:process sigchld;
')

########################################
## <summary>
##	Send generic signals to the cups
##	configuration daemon.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`cups_signal_config',`
	gen_require(`
		type cupsd_config_t;
	')

	allow $1 cupsd_config_t:process signal;
')

########################################
## <summary>
##	Send and receive messages from
##	cupsd_config over dbus.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`cups_dbus_chat_config',`
	gen_require(`
		type cupsd_config_t;
		class dbus send_msg;
	')

	allow $1 cupsd_config_t:dbus send_msg;
	allow cupsd_config_t $1:dbus send_msg;
')

########################################
## <summary>
##	Read cups configuration files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`cups_read_config',`
	gen_require(`
		type cupsd_etc_t, cupsd_rw_etc_t;
	')

	files_search_etc($1)
	allow $1 cupsd_etc_t:dir search_dir_perms;
	allow $1 cupsd_etc_t:file { getattr read };
	allow $1 cupsd_rw_etc_t:file { getattr read };
')

########################################
## <summary>
##	Read cups-writable configuration files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`cups_read_rw_config',`
	gen_require(`
		type cupsd_etc_t, cupsd_rw_etc_t;
	')

	files_search_etc($1)
	allow $1 cupsd_etc_t:dir search_dir_perms;
	allow $1 cupsd_rw_etc_t:file { getattr read };
')

########################################
## <summary>
##	Read cups log files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`cups_read_log',`
	gen_require(`
		type cupsd_log_t;
	')

	logging_search_logs($1)
	allow $1 cupsd_log_t:file { getattr read };
')

########################################
## <summary>
##	Write cups log files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`cups_write_log',`
	gen_require(`
		type cupsd_log_t;
	')

	logging_search_logs($1)
	allow $1 cupsd_log_t:file write;
')

########################################
## <summary>
##	Connect to ptal over an unix domain stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`cups_stream_connect_ptal',`
	gen_require(`
		type ptal_t, ptal_var_run_t;
	')

	files_search_pids($1)
	allow $1 ptal_var_run_t:dir search;
	allow $1 ptal_var_run_t:sock_file write;
	allow $1 ptal_t:unix_stream_socket connectto;
')