## <summary>Line printer daemon</summary>

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

## <summary>

##	Role access for lpd

## </summary>

## <param name="role">

##	<summary>

##	Role allowed access

##	</summary>

## </param>

## <param name="domain">

##	<summary>

##	User domain for the role

##	</summary>

## </param>

## <rolecap/>

#

interface(`lpd_role',`

	gen_require(`

		type lpr_t, lpr_exec_t, print_spool_t;

	')

	role $1 types lpr_t;

	# Transition from the user domain to the derived domain.

	domtrans_pattern($2, lpr_exec_t, lpr_t)

	dontaudit lpr_t $2:unix_stream_socket { read write };

	ps_process_pattern($2, lpr_t)

	allow $2 lpr_t:process { ptrace signal_perms };

	optional_policy(`

		cups_read_config($2)

	')

')

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

## <summary>

##	Execute lpd in the lpd domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`lpd_domtrans_checkpc',`

	gen_require(`

		type checkpc_t, checkpc_exec_t;

	')

	domtrans_pattern($1, checkpc_exec_t, checkpc_t)

')

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

## <summary>

##	Execute amrecover in the lpd domain, and

##	allow the specified role the lpd domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	Role allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`lpd_run_checkpc',`

	gen_require(`

		type checkpc_t;

	')

	lpd_domtrans_checkpc($1)

	role $2 types checkpc_t;

')

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

## <summary>

##	List the contents of the printer spool directories.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`lpd_list_spool',`

	gen_require(`

		type print_spool_t;

	')

	files_search_spool($1)

	allow $1 print_spool_t:dir list_dir_perms;

')

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

## <summary>

##	Read the printer spool files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`lpd_read_spool',`

	gen_require(`

		type print_spool_t;

	')

	files_search_spool($1)

	read_files_pattern($1, print_spool_t, print_spool_t)

')

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

## <summary>

##	Create, read, write, and delete printer spool files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`lpd_manage_spool',`

	gen_require(`

		type print_spool_t;

	')

	files_search_spool($1)

	manage_dirs_pattern($1, print_spool_t, print_spool_t)

	manage_files_pattern($1, print_spool_t, print_spool_t)

	manage_lnk_files_pattern($1, print_spool_t, print_spool_t)

')

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

## <summary>

##	Relabel from and to the spool files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`lpd_relabel_spool',`

	gen_require(`

		type print_spool_t;

	')

	files_search_spool($1)

	allow $1 print_spool_t:file relabel_file_perms;

')

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

## <summary>

##	List the contents of the printer spool directories.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`lpd_read_config',`

	gen_require(`

		type printconf_t;

	')

	allow $1 printconf_t:dir list_dir_perms;

	read_files_pattern($1, printconf_t, printconf_t)

')

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

## <summary>

##	Transition to a user lpr domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

template(`lpd_domtrans_lpr',`

	gen_require(`

		type lpr_t, lpr_exec_t;

	')

	domtrans_pattern($1, lpr_exec_t, lpr_t)

')

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

## <summary>

##	Allow the specified domain to execute lpr

##	in the caller domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`lpd_exec_lpr',`

	gen_require(`

		type lpr_exec_t;

	')

	can_exec($1, lpr_exec_t)

')