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

########################################
## <summary>
##	Role access for lpd.
## </summary>
## <param name="role_prefix">
##	<summary>
##	The prefix of the user role (e.g., user
##	is the prefix for user_r).
##	</summary>
## </param>
## <param name="user_domain">
##	<summary>
##	User domain for the role.
##	</summary>
## </param>
## <param name="user_exec_domain">
##	<summary>
##	User exec domain for execute and transition access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access
##	</summary>
## </param>
#
template(`lpd_role',`
	gen_require(`
		attribute_role lpr_roles;
		type lpr_t, lpr_exec_t;
	')

	########################################
	#
	# Declarations
	#

	roleattribute $4 lpr_roles;

	########################################
	#
	# Policy
	#

	domtrans_pattern($3, lpr_exec_t, lpr_t)

	allow $3 lpr_t:process { ptrace signal_perms };
	ps_process_pattern($3, lpr_t)

	dontaudit lpr_t $3:unix_stream_socket { read write };

	optional_policy(`
		cups_read_config($3)
	')

	optional_policy(`
		systemd_user_app_status($1, lpr_t)
	')
')

########################################
## <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;
	')

	corecmd_search_bin($1)
	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(`
		attribute_role checkpc_roles;
	')

	lpd_domtrans_checkpc($1)
	roleattribute $2 checkpc_roles;
')

########################################
## <summary>
##	List 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 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 content.
## </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 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>
##	Read printer configuration files.
## </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>
#
interface(`lpd_domtrans_lpr',`
	gen_require(`
		type lpr_t, lpr_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, lpr_exec_t, lpr_t)
')

########################################
## <summary>
##	Execute lpr in the lpr domain, and
##	allow the specified role the lpr 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_lpr',`
	gen_require(`
		attribute_role lpr_roles;
	')

	lpd_domtrans_lpr($1)
	roleattribute $2 lpr_roles;
')

########################################
## <summary>
##	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;
	')

	corecmd_search_bin($1)
	can_exec($1, lpr_exec_t)
')