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## <summary>Line printer daemon</summary>
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#######################################
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## <summary>
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##	The per user domain template for the lpd module.
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## </summary>
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## <desc>
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##	

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##	This template creates a derived domains which are used
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##	for lpr printing client.
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##	

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##	

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##	This template is invoked automatically for each user, and
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##	generally does not need to be invoked directly
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##	by policy writers.
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##	

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## </desc>
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## <param name="userdomain_prefix">
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##	<summary>
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##	The prefix of the user domain (e.g., user
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##	is the prefix for user_t).
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##	</summary>
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## </param>
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## <param name="user_domain">
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##	<summary>
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##	The type of the user domain.
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##	</summary>
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## </param>
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## <param name="user_role">
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##	<summary>
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##	The role associated with the user domain.
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##	</summary>
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## </param>
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#
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template(`lpd_per_userdomain_template',`
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	gen_require(`
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		type lpr_exec_t, lpd_t, print_spool_t, printconf_t, lpd_var_run_t, printer_t;
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	')
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	##############################
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	#
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	# Declarations
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	#
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	# Derived domain based on the calling user domain and the program
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	type $1_lpr_t;
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	domain_type($1_lpr_t)
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	domain_entry_file($1_lpr_t,lpr_exec_t)
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	role $3 types $1_lpr_t;
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	type $1_lpr_tmp_t;
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	files_tmp_file($1_lpr_tmp_t)
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	# Type for spool files.
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	type $1_print_spool_t;
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	files_type($1_print_spool_t)
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	##############################
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	#
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	# Local policy
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	#
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	allow $1_lpr_t self:capability { setuid dac_override net_bind_service chown };
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	allow $1_lpr_t self:unix_stream_socket create_stream_socket_perms;
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	allow $1_lpr_t self:tcp_socket create_socket_perms;
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	allow $1_lpr_t self:udp_socket create_socket_perms;
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	# lpr can run in lightweight mode, without a local print spooler.
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	allow $1_lpr_t lpd_var_run_t:dir search;
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	allow $1_lpr_t lpd_var_run_t:sock_file write;
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	files_read_var_files($1_lpr_t)
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	# Connect to lpd via a Unix domain socket.
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	allow $1_lpr_t printer_t:sock_file rw_file_perms;
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	allow $1_lpr_t lpd_t:unix_stream_socket connectto;
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	# connecto to a network lpd
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	allow $1_lpr_t lpd_t:tcp_socket { connectto recvfrom };
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	allow lpd_t $1_lpr_t:tcp_socket { acceptfrom recvfrom };
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	# Send SIGHUP to lpd.
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	allow $1_lpr_t lpd_t:process signal;
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	can_exec($1_lpr_t,lpr_exec_t)
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	allow $1_lpr_t $1_lpr_tmp_t:dir create_dir_perms;
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	allow $1_lpr_t $1_lpr_tmp_t:file create_file_perms;
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	files_tmp_filetrans($1_lpr_t, $1_lpr_tmp_t, { file dir })
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	allow $1_lpr_t $1_print_spool_t:file create_file_perms;
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	allow $1_lpr_t print_spool_t:dir rw_dir_perms;
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	type_transition $1_lpr_t print_spool_t:file $1_print_spool_t;
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	# Read and write shared files in the spool directory.
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	allow $1_lpr_t print_spool_t:file rw_file_perms;
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	allow $1_lpr_t printconf_t:dir r_dir_perms;
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	allow $1_lpr_t printconf_t:file r_file_perms;
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	allow $1_lpr_t printconf_t:lnk_file { getattr read };
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	dontaudit $1_lpr_t $2:unix_stream_socket { read write };
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	# Transition from the user domain to the derived domain.
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	allow $2 $1_lpr_t:fd use;
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	allow $1_lpr_t $2:fd use;
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	allow $1_lpr_t $2:fifo_file rw_file_perms;
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	allow $1_lpr_t $2:process sigchld;
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	domain_auto_trans($2,lpr_exec_t,$1_lpr_t)
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	allow $2 $1_lpr_t:process signull;
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	# Allow lpd to read, rename, and unlink spool files.
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	allow lpd_t $1_print_spool_t:file r_file_perms;
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	allow lpd_t $1_print_spool_t:file link_file_perms;
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	kernel_tcp_recvfrom($1_lpr_t)
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	corenet_tcp_sendrecv_generic_if($1_lpr_t)
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	corenet_udp_sendrecv_generic_if($1_lpr_t)
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	corenet_tcp_sendrecv_all_nodes($1_lpr_t)
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	corenet_udp_sendrecv_all_nodes($1_lpr_t)
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	corenet_tcp_sendrecv_all_ports($1_lpr_t)
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	corenet_udp_sendrecv_all_ports($1_lpr_t)
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	corenet_tcp_connect_all_ports($1_lpr_t)
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	corenet_sendrecv_all_client_packets($1_lpr_t)
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	# for /dev/null
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	dev_list_all_dev_nodes($1_lpr_t)
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	domain_use_interactive_fds($1_lpr_t)
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	files_search_spool($1_lpr_t)
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	# for lpd config files (should have a new type)
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	files_read_etc_files($1_lpr_t)
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	# for test print
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	files_read_usr_files($1_lpr_t)
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	#Added to cover read_content macro
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	files_list_home($1_lpr_t)
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	files_read_generic_tmp_files($1_lpr_t)
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	fs_getattr_xattr_fs($1_lpr_t)
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	# Access the terminal.
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	term_use_controlling_term($1_lpr_t)
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	term_use_generic_ptys($1_lpr_t)
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	libs_use_ld_so($1_lpr_t)
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	libs_use_shared_libs($1_lpr_t)
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	miscfiles_read_localization($1_lpr_t)
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	sysnet_read_config($1_lpr_t)
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	userdom_read_user_tmp_symlinks($1,$1_lpr_t)
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	# Write to the user domain tty.
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	userdom_use_user_terminals($1,$1_lpr_t)
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	tunable_policy(`read_default_t',`
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		files_list_default($1_lpr_t)
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		files_read_default_symlinks($1_lpr_t)
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		files_read_default_files($1_lpr_t)
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	')
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	tunable_policy(`read_untrusted_content',`
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		#list and read user specific untrusted content
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		files_list_home($1_lpr_t)
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		userdom_list_user_home_dirs($1,$1_lpr_t)
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		userdom_read_user_untrusted_content_files($1,$1_lpr_t)
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		#list and read user specific temporary untrusted content
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		files_list_tmp($1_lpr_t)
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		userdom_read_user_tmp_untrusted_content_files($1,$1_lpr_t)
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	')
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	tunable_policy(`use_nfs_home_dirs',`
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		files_list_home($1_lpr_t)
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		fs_list_auto_mountpoints($1_lpr_t)
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		fs_read_nfs_files($1_lpr_t)
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		fs_read_nfs_symlinks($1_lpr_t)
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	')
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	tunable_policy(`use_samba_home_dirs',`
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		files_list_home($1_lpr_t)
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		fs_list_auto_mountpoints($1_lpr_t)
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		fs_read_cifs_files($1_lpr_t)
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		fs_read_cifs_symlinks($1_lpr_t)
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	')
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	optional_policy(`
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		cups_read_config($1_lpr_t)
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		cups_tcp_connect($1_lpr_t)
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		cups_read_config($2)
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		cups_tcp_connect($2)
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	')
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	optional_policy(`
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		logging_send_syslog_msg($1_lpr_t)
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	')
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	optional_policy(`
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		nscd_socket_use($1_lpr_t)
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	')
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	optional_policy(`
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		nis_use_ypbind($1_lpr_t)
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	')
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	ifdef(`TODO',`
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	optional_policy(`
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		allow $1_lpr_t xdm_t:fd use;
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		allow $1_lpr_t xdm_var_run_t:dir search;
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		allow $1_lpr_t xdm_t:fifo_file { getattr read write ioctl };
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	')
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	') dnl end TODO
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')
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#######################################
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## <summary>
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##	The administrative functions template for the lpd module.
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## </summary>
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## <desc>
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##	

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##	This template creates rules for administrating the ldp service,
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##	allowing the specified user to manage lpr files.
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##	

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## </desc>
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## <param name="userdomain_prefix">
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##	<summary>
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##	The prefix of the user domain (e.g., user
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##	is the prefix for user_t).
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##	</summary>
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## </param>
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#
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template(`lpr_admin_template',`
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	gen_require(`
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		type $1_lpr_t;
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	')
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	userdom_read_all_users_home_content_files($1_lpr_t)
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	# Allow per user lpr domain read acces for specific user.
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	tunable_policy(`read_untrusted_content',`
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		userdom_read_all_untrusted_content($1_lpr_t)
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		userdom_read_all_tmp_untrusted_content($1_lpr_t)
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	')
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')
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########################################
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## <summary>
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##	Execute lpd in the lpd domain.
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## </summary>
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## <param name="domain">
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##	<summary>
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##	Domain allowed access.
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##	</summary>
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## </param>
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#
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interface(`lpd_domtrans_checkpc',`
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	gen_require(`
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		type checkpc_t, checkpc_exec_t;
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	')
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	domain_auto_trans($1,checkpc_exec_t,checkpc_t)
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	allow $1 checkpc_t:fd use;
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	allow checkpc_t $1:fd use;
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	allow checkpc_t $1:fifo_file rw_file_perms;
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	allow checkpc_t $1:process sigchld;
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')
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########################################
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## <summary>
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##	Execute amrecover in the lpd domain, and
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##	allow the specified role the lpd domain.
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## </summary>
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## <param name="domain">
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##	<summary>
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##	Domain allowed access.
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##	</summary>
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## </param>
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## <param name="role">
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##	<summary>
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##	The role to be allowed the lpd domain.
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##	</summary>
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## </param>
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## <param name="terminal">
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##	<summary>
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##	The type of the terminal allow the lpd domain to use.
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##	</summary>
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## </param>
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#
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interface(`lpd_run_checkpc',`
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	gen_require(`
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		type checkpc_t;
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	')
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	lpd_domtrans_checkpc($1)
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	role $2 types checkpc_t;
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	allow checkpc_t $3:chr_file rw_term_perms;
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')
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########################################
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## <summary>
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##	List the contents of the printer spool directories.
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## </summary>
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## <param name="domain">
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##	<summary>
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##	Domain allowed access.
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##	</summary>
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## </param>
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#
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interface(`lpd_list_spool',`
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	gen_require(`
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		type print_spool_t;
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	')
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	files_search_spool($1)
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	allow $1 print_spool_t:dir list_dir_perms;
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')
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########################################
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## <summary>
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##	Create, read, write, and delete printer spool files.
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## </summary>
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## <param name="domain">
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##	<summary>
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##	Domain allowed access.
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##	</summary>
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## </param>
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#
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interface(`lpd_manage_spool',`
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	gen_require(`
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		type print_spool_t;
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	')
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	files_search_spool($1)
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	# cjp: cups wants setattr
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	allow $1 print_spool_t:dir { rw_dir_perms setattr };
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	allow $1 print_spool_t:file manage_file_perms;
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')
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########################################
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## <summary>
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##	List the contents of the printer spool directories.
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## </summary>
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## <param name="domain">
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##	<summary>
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##	Domain allowed access.
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##	</summary>
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## </param>
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#
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interface(`lpd_read_config',`
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	gen_require(`
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		type printconf_t;
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	')
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	allow $1 printconf_t:dir list_dir_perms;
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	allow $1 printconf_t:file r_file_perms;
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')
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########################################
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## <summary>
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##      Transition to a user lpr domain.
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## </summary>
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## <desc>
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##      

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##      Transition to a user lpr domain.
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##      

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##      

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##      This is a templated interface, and should only
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##      be called from a per-userdomain template.
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##      

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## </desc>
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## <param name="userdomain_prefix">
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##	<summary>
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##      The prefix of the user domain (e.g., user
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##      is the prefix for user_t).
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##	</summary>
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## </param>
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## <param name="domain">
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##	<summary>
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##      Domain allowed access.
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##	</summary>
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## </param>
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#
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template(`lpd_domtrans_user_lpr',`
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	gen_require(`
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		type $1_lpr_t, lpr_exec_t;
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	')
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	domain_auto_trans($2, lpr_exec_t, $1_lpr_t)
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	allow $2 $1_lpr_t:fd use;
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	allow $1_lpr_t $2:fd use;
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	allow $1_lpr_t $2:fifo_file rw_file_perms;
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	allow $1_lpr_t $2:process sigchld;
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')
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