selinux-policy/refpolicy/policy/modules/kernel/terminal.if

## <module name="terminal" layer="kernel">
## <summary>Policy for terminals.</summary>

########################################
#
# term_make_pty(type)
#
define(`term_make_pty',`
	requires_block_template(`$0'_depend)

	allow $1 devpts_t:filesystem associate;
	typeattribute $1 ptynode;
')

define(`term_make_pty_depend',`
	attribute ptynode;

	type devpts_t;

	class filesystem associate;
')

########################################
## <interface name="term_make_user_pty">
##	<description>
##		Transform specified type into a user
##		pty type. Interactive ptys will be relabeled
##		
##	</description>
##	<parameter name="userdomain">
##		An object type that will applied to a pty.
##	</parameter>
##	<parameter name="pty_type">
##		An object type that will applied to a pty.
##	</parameter>
##	<infoflow type="none"/>
## </interface>
#
define(`term_make_user_pty',`
	requires_block_template(`$0'_depend)

	term_make_pty($1)
	type_change $1 server_ptynode:chr_file $2;
')

define(`term_make_user_pty_depend',`
	attribute server_ptynode;
')


########################################
## <interface name="term_make_interactive_pty">
##	<description>
##		Transform specified type into an interactive
##		pty type. This allows it to be relabeled via
##		type change by login programs such as ssh.
##	</description>
##	<parameter name="object_type">
##		An object type that will applied to a pty.
##	</parameter>
##	<infoflow type="none"/>
## </interface>
#
define(`term_make_interactive_pty',`
	requires_block_template(`$0'_depend)

	terminal_make_pseudoterminal($1)
	typeattribute $1 server_ptynode;
')

define(`terminal_make_service_pseudoterminal_depend',`
	attribute server_ptynode;
')

########################################
#
# term_make_tty(domain,type)
#
define(`term_make_tty',`
	requires_block_template(`$0'_depend)

	typeattribute $2 ttynode;
	type_change $1 tty_device_t:chr_file $2;

	# Debian login is from shadow utils and does not allow resetting the perms.
	# have to fix this!
	ifdef(`distro_debian',`
		type_change $1 ttyfile:chr_file $2;
	')

	ifdef(`distro_redhat',`
		fs_tmpfs_associate($2)
	')
')

define(`term_make_tty_depend',`
	attribute ttynode;

	type tty_device_t;
')

########################################
#
# term_create_pty(domain,ptytype)
#
define(`term_create_pty',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 ptmx_t:chr_file rw_file_perms;
	allow $1 devpts_t:dir r_dir_perms;
	allow $1 devpts_t:filesystem getattr;
	dontaudit $1 bsdpty_device_t:chr_file { getattr read write };
	type_transition $1 devpts_t:chr_file $2;
')

define(`term_create_pty_depend',`
	type ptmx_t, devpts_t;

	class filesystem getattr;
	class dir r_dir_perms;
	class chr_file rw_file_perms;
')

########################################
#
# term_use_all_terminals(domain)
#
define(`term_use_all_terminals',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 devpts_t:dir r_dir_perms;
	allow $1 { console_device_t tty_device_t ttynode ptynode }:chr_file rw_file_perms;
')

define(`term_use_all_terminals_depend',`
	attribute ttynode, ptynode;

	type console_device_t, devpts_t, tty_device_t;

	class dir r_dir_perms;
	class chr_file rw_file_perms;
')

########################################
## <interface name="term_write_console">
##	<description>
##		Write to the console.
##	</description>
##	<parameter name="domain">
##		The type of the process performing this action.
##	</parameter>
##	<infoflow type="write" weight="10"/>
## </interface>
#
define(`term_write_console',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 console_device_t:chr_file write;
')

define(`term_use_console_depend',`
	type console_device_t;
	class chr_file write;
')

########################################
## <interface name="term_use_console">
##	<description>
##		Read from and write to the console.
##	</description>
##	<parameter name="domain">
##		The type of the process performing this action.
##	</parameter>
##	<infoflow type="both" weight="10"/>
## </interface>
#
define(`term_use_console',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 console_device_t:chr_file rw_file_perms;
')

define(`term_use_console_depend',`
	type console_device_t;

	class chr_file rw_file_perms;
')

########################################
## <interface name="term_dontaudit_use_console">
##	<description>
##		Do not audit read from or write to the console.
##	</description>
##	<parameter name="domain">
##		The type of the process performing this action.
##	</parameter>
##	<infoflow type="both" weight="10"/>
## </interface>
#
define(`term_dontaudit_use_console',`
	requires_block_template(`$0'_depend)

	dontaudit $1 console_device_t:chr_file { read write };
')

define(`term_dontaudit_use_console_depend',`
	type console_device_t;

	class chr_file { read write };
')

########################################
#
# term_setattr_console(domain)
#
define(`term_setattr_console',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 console_device_t:chr_file setattr;
')

define(`term_setattr_console_depend',`
	type console_device_t;

	class chr_file setattr;
')

########################################
#
# term_list_ptys(domain)
#
define(`term_list_ptys',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 devpts_t:dir r_dir_perms;
')

define(`term_list_ptys_depend',`
	type devpts_t;

	class dir r_dir_perms;
')

########################################
#
# term_dontaudit_list_ptys(domain)
#
define(`term_dontaudit_list_ptys',`
	requires_block_template(`$0'_depend)

	dontaudit $1 devpts_t:dir { getattr search read };
')

define(`term_dontaudit_list_ptys_depend',`
	type devpts_t;

	class dir { getattr search read };
')

########################################
#
# term_use_generic_pty(domain)
#
define(`term_use_generic_pty',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 devpts_t:chr_file { read write };
')

define(`term_use_generic_pty_depend',`
	type devpts_t;

	class chr_file { read write };
')

########################################
#
# term_dontaudit_use_generic_pty(domain)
#
define(`term_dontaudit_use_generic_pty',`
	requires_block_template(`$0'_depend)

	dontaudit $1 devpts_t:chr_file { read write };
')

define(`term_dontaudit_use_generic_pty_depend',`
	type devpts_t;

	class chr_file { read write };
')

########################################
#
# term_use_controlling_terminal(domain)
#
define(`term_use_controlling_terminal',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 devtty_t:chr_file { getattr read write ioctl };
')

define(`term_use_controlling_terminal_depend',`
	type devtty_t;

	class chr_file { getattr read write ioctl };
')

########################################
#
# term_dontaudit_rw_ptmx(domain)
#
define(`term_dontaudit_rw_ptmx',`
	requires_block_template(`$0'_depend)

	dontaudit $1 ptmx_t:chr_file { getattr read write };
')

define(`term_dontaudit_rw_ptmx_depend',`
	type ptmx_t;

	class chr_file { getattr read write };
')

########################################
#
# term_getattr_all_ptys(domain)
#
define(`term_getattr_all_ptys',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 devpts_t:dir r_dir_perms;
	allow $1 ptynode:chr_file getattr;
')

define(`term_getattr_all_ptys_depend',`
	attribute ptynode;

	class dir r_dir_perms;
	class chr_file getattr;
')

########################################
#
# term_use_all_private_ptys(domain)
#
define(`term_use_all_private_ptys',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 devpts_t:dir r_dir_perms;
	allow $1 ptynode:chr_file { getattr read write ioctl };
')

define(`term_use_all_private_ptys_depend',`
	attribute ptynode;

	class dir r_dir_perms;
	class chr_file { getattr read write ioctl };
')

########################################
#
# term_dontaudit_use_all_private_ptys(domain)
#
define(`term_dontaudit_use_all_private_ptys',`
	requires_block_template(`$0'_depend)

	dontaudit $1 ptynode:chr_file { read write };
')

define(`term_dontaudit_use_all_private_ptys_depend',`
	attribute ptynode;

	class chr_file { read write };
')

########################################
#
# term_gettattr_unallocated_ttys(domain)
#
define(`term_gettattr_unallocated_ttys',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 tty_device_t:chr_file getattr;
')

define(`term_gettattr_unallocated_ttys_depend',`
	type tty_device_t;

	class chr_file getattr;
')

########################################
#
# term_settattr_unallocated_ttys(domain)
#
define(`term_settattr_unallocated_ttys',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 tty_device_t:chr_file setattr;
')

define(`term_settattr_unallocated_ttys_depend',`
	type tty_device_t;

	class chr_file setattr;
')

########################################
#
# term_relabel_unallocated_tty(domain)
#
define(`term_relabel_unallocated_tty',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 tty_device_t:chr_file { relabelfrom relabelto };
')

define(`term_relabel_unallocated_tty_depend',`
	type tty_device_t;

	class chr_file { relabelfrom relabelto };
')

########################################
#
# term_reset_tty_labels(domain)
#
define(`term_reset_tty_labels',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 ttynode:chr_file relabelfrom;
	allow $1 tty_device_t:chr_file relabelto;
')

define(`term_reset_tty_labels_depend',`
	attribute ttynode;

	type tty_device_t;
	class chr_file { relabelfrom relabelto };
')

########################################
## <interface name="term_write_unallocated_tty">
##	<description>
##		Write to all unallocated ttys.  Has a backchannel of
##		getting all tty attributes.
##	</description>
##	<parameter name="domain">
##		The type of the process performing this action.
##	</parameter>
##	<infoflow type="write" weight="10"/>
## </interface>
#
define(`term_write_general_tty',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 tty_device_t:chr_file { getattr write };
')

define(`term_write_general_tty_depend',`
	type tty_device_t;

	class chr_file { getattr write };
')

########################################
#
# term_use_unallocated_tty(domain)
#
define(`term_use_unallocated_tty',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 tty_device_t:chr_file { getattr read write ioctl };
')

define(`term_use_unallocated_tty_depend',`
	type tty_device_t;

	class chr_file { getattr read write ioctl };
')

########################################
#
# term_dontaudit_use_unallocated_tty(domain)
#
define(`term_dontaudit_use_unallocated_tty',`
	requires_block_template(`$0'_depend)

	dontaudit $1 tty_device_t:chr_file { read write };
')

define(`term_dontaudit_use_unallocated_tty_depend',`
	type tty_device_t;

	class chr_file { read write };
')

########################################
#
# term_getattr_all_private_ttys(domain)
#
define(`term_getattr_all_private_ttys',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 ttynode:chr_file getattr;
')

define(`term_getattr_all_private_ttys_depend',`
	attribute ttynode;

	class chr_file getattr;
')

########################################
#
# term_setattr_all_private_ttys(domain)
#
define(`term_setattr_all_private_ttys',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 ttynode:chr_file setattr;
')

define(`term_setattr_all_private_ttys_depend',`
	attribute ttynode;

	class chr_file setattr;
')

########################################
#
# term_dontaudit_getattr_all_private_ttys(domain)
#
define(`term_dontaudit_getattr_all_private_ttys',`
	requires_block_template(`$0'_depend)

	dontaudit $1 ttynode:chr_file getattr;
')

define(`term_dontaudit_getattr_all_private_ttys_depend',`
	attribute ttynode;

	class chr_file getattr;
')

########################################
#
# term_relabel_all_private_ttys(domain)
#
define(`term_relabel_all_private_ttys',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 ttynode:chr_file { relabelfrom relabelto };
')

define(`term_relabel_all_private_ttys_depend',`
	attribute ttynode;

	class chr_file { relabelfrom relabelto };
')

########################################
## <interface name="term_write_all_private_ttys">
##	<description>
##		Write to all private ttys.  Has a backchannel of
##		getting all private tty attributes.
##	</description>
##	<parameter name="domain">
##		The type of the process performing this action.
##	</parameter>
##	<infoflow type="write" weight="10"/>
## </interface>
#
define(`term_write_all_private_ttys',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 ttynode:chr_file { getattr write };
')

define(`term_write_all_private_ttys_depend',`
	attribute ttynode;

	class chr_file { getattr write };
')

########################################
#
# term_use_all_private_ttys(domain)
#
define(`term_use_all_private_ttys',`
	requires_block_template(`$0'_depend)

	devices_list_device_nodes($1)
	allow $1 ttynode:chr_file { getattr read write ioctl };
')

define(`term_use_all_private_ttys_depend',`
	attribute ttynode;

	class chr_file { getattr read write ioctl };
')

########################################
#
# term_dontaudit_use_all_private_ttys(domain)
#
define(`term_dontaudit_use_all_private_ttys',`
	requires_block_template(`$0'_depend)

	dontaudit $1 ttynode:chr_file { read write };
')

define(`term_dontaudit_use_all_private_ttys_depend',`
	attribute ttynode;

	class chr_file { read write };
')

## </module>