## <summary>Policy for terminals.</summary>

## <required val="true">

##	Depended on by other required modules.

## </required>

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

## <summary>

##	Transform specified type into a pty type.

## </summary>

## <param name="pty_type">

##	An object type that will applied to a pty.

## </param>

#

interface(`term_pty',`

	gen_require(`

		attribute ptynode;

		type devpts_t;

	')

	files_type($1)

	allow $1 devpts_t:filesystem associate;

	typeattribute $1 ptynode;

')

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

## <summary>

##	Transform specified type into an user

##	pty type. This allows it to be relabeled via

##	type change by login programs such as ssh.

## </summary>

## <param name="userdomain">

##	The type of the user domain associated with

##	this pty.

## </param>

## <param name="object_type">

##	An object type that will applied to a pty.

## </param>

#

interface(`term_user_pty',`

	gen_require(`

		attribute server_ptynode;

	')

	term_pty($2)

	type_change $2 server_ptynode:chr_file $1;

')

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

## <summary>

##	Transform specified type into a pty type

##	used by login programs, such as sshd.

## </summary>

## <param name="pty_type">

##	An object type that will applied to a pty.

## </param>

#

interface(`term_login_pty',`

	gen_require(`

		attribute server_ptynode;

	')

	term_pty($1)

	typeattribute $1 server_ptynode;

')

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

## <summary>

##	Transform specified type into a tty type.

## </summary>

## <param name="tty_type">

##	An object type that will applied to a tty.

## </param>

#

interface(`term_tty',`

	gen_require(`

		attribute ttynode, serial_device;

		type tty_device_t;

	')

	typeattribute $2 ttynode, serial_device;

	type_change $1 tty_device_t:chr_file $2;

	files_associate_tmp($1)

	# Debian login is from shadow utils and does not allow resetting the perms.

	# have to fix this!

	ifdef(`distro_debian',`

		type_change $1 ttynode:chr_file $2;

	')

	ifdef(`distro_redhat',`

		fs_associate_tmpfs($2)

	')

')

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

## <summary>

##	Create a pty in the /dev/pts directory.

## </summary>

## <param name="domain">

##	The type of the process creating the pty.

## </param>

## <param name="pty_type">

##	The type of the pty.

## </param>

#

interface(`term_create_pty',`

	gen_require(`

		type bsdpty_device_t, devpts_t, ptmx_t;

	')

	dev_list_all_dev_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;

')

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

## <summary>

##	Read and write the console, all

##	ttys and all ptys.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_use_all_terms',`

	gen_require(`

		attribute ttynode, ptynode;

		type console_device_t, devpts_t, tty_device_t;

	')

	dev_list_all_dev_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;

')

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

## <summary>

##	Write to the console.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_write_console',`

	gen_require(`

		type console_device_t;

	')

	dev_list_all_dev_nodes($1)

	allow $1 console_device_t:chr_file write;

')

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

## <summary>

##	Read from and write to the console.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_use_console',`

	gen_require(`

		type console_device_t;

	')

	dev_list_all_dev_nodes($1)

	allow $1 console_device_t:chr_file rw_file_perms;

')

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

## <summary>

##	Do not audit attemtps to read from

##	or write to the console.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_dontaudit_use_console',`

	gen_require(`

		type console_device_t;

	')

	dontaudit $1 console_device_t:chr_file rw_file_perms;

')

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

## <summary>

##	Set the attributes of the console

##	device node.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_setattr_console',`

	gen_require(`

		type console_device_t;

	')

	dev_list_all_dev_nodes($1)

	allow $1 console_device_t:chr_file setattr;

')

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

## <summary>

##	Do not audit attempts to get the

##	attributes of the /dev/pts directory.

## </summary>

## <param name="domain">

##	The type of the process to not audit.

## </param>

#

interface(`term_dontaudit_getattr_pty_dir',`

	gen_require(`

		type devpts_t;

		class dir getattr;

	')

	dontaudit $1 devpts_t:dir getattr;

')

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

## <summary>

##	Search the contents of the /dev/pts directory.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_search_ptys',`

	gen_require(`

		type devpts_t;

	')

	dev_list_all_dev_nodes($1)

	allow $1 devpts_t:dir search;

')

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

## <summary>

##	Read the /dev/pts directory to

##	list all ptys.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_list_ptys',`

	gen_require(`

		type devpts_t;

		class dir r_dir_perms;

	')

	dev_list_all_dev_nodes($1)

	allow $1 devpts_t:dir r_dir_perms;

')

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

## <summary>

##	Do not audit attempts to read the

##	/dev/pts directory.

## </summary>

## <param name="domain">

##	The type of the process to not audit.

## </param>

#

interface(`term_dontaudit_list_ptys',`

	gen_require(`

		type devpts_t;

		class dir { getattr search read };

	')

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

')

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

## <summary>

##	Do not audit attempts to create, read,

##	write, or delete the /dev/pts directory.

## </summary>

## <param name="domain">

##	The type of the process to not audit.

## </param>

#

interface(`term_dontaudit_manage_pty_dir',`

	gen_require(`

		type devpts_t;

		class dir create_dir_perms;

	')

	dontaudit $1 devpts_t:dir create_dir_perms;

')

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

## <summary>

##	ioctl of generic pty types.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

# cjp: added for ppp

interface(`term_ioctl_generic_pty',`

	gen_require(`

		type devpts_t;

	')

	dev_list_all_dev_nodes($1)

	allow $1 devpts_t:dir search;

	allow $1 devpts_t:chr_file ioctl;

')

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

## <summary>

##	Read and write the generic pty

##	type.  This is generally only used in

##	the targeted policy.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_use_generic_pty',`

	gen_require(`

		type devpts_t;

	')

	dev_list_all_dev_nodes($1)

	allow $1 devpts_t:dir list_dir_perms;

	allow $1 devpts_t:chr_file { rw_term_perms lock append };

')

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

## <summary>

##	Dot not audit attempts to read and

##	write the generic pty type.  This is

##	generally only used in the targeted policy.

## </summary>

## <param name="domain">

##	The type of the process to not audit.

## </param>

#

interface(`term_dontaudit_use_generic_pty',`

	gen_require(`

		type devpts_t;

		class chr_file { read write };

	')

	dontaudit $1 devpts_t:chr_file { read write };

')

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

## <summary>

##	Read and write the controlling

##	terminal (/dev/tty).

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_use_controlling_term',`

	gen_require(`

		type devtty_t;

	')

	dev_list_all_dev_nodes($1)

	allow $1 devtty_t:chr_file { rw_term_perms lock append };

')

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

## <summary>

##	Read and write the pty multiplexor (/dev/ptmx).

## </summary>

## <param name="domain">

##	The type of the process to allow access.

## </param>

#

interface(`term_use_ptmx',`

	gen_require(`

		type ptmx_t;

	')

	allow $1 ptmx_t:chr_file rw_file_perms;

')

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

## <summary>

##	Do not audit attempts to read and

##	write the pty multiplexor (/dev/ptmx).

## </summary>

## <param name="domain">

##	The type of the process to not audit.

## </param>

#

interface(`term_dontaudit_use_ptmx',`

	gen_require(`

		type ptmx_t;

		class chr_file { getattr read write };

	')

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

')

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

## <summary>

##	Get the attributes of all user

##	pty device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_getattr_all_user_ptys',`

	gen_require(`

		attribute ptynode;

		class dir r_dir_perms;

		class chr_file getattr;

	')

	dev_list_all_dev_nodes($1)

	allow $1 devpts_t:dir r_dir_perms;

	allow $1 ptynode:chr_file getattr;

')

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

## <summary>

##	Do not audit attempts to get the

##	attributes of any user pty

##	device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_dontaudit_getattr_all_user_ptys',`

	gen_require(`

		attribute ptynode;

		class chr_file getattr;

	')

	dev_list_all_dev_nodes($1)

	allow $1 devpts_t:dir r_dir_perms;

	dontaudit $1 ptynode:chr_file getattr;

')

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

## <summary>

##	Set the attributes of all user

##	pty device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_setattr_all_user_ptys',`

	gen_require(`

		attribute ptynode;

		class dir r_dir_perms;

		class chr_file setattr;

	')

	dev_list_all_dev_nodes($1)

	allow $1 devpts_t:dir r_dir_perms;

	allow $1 ptynode:chr_file setattr;

')

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

## <summary>

##	Relabel to all user ptys.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_relabelto_all_user_ptys',`

	gen_require(`

		attribute ptynode;

		class chr_file relabelto;

	')

	allow $1 ptynode:chr_file relabelto;

')

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

## <summary>

##	Read and write all user ptys.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_use_all_user_ptys',`

	gen_require(`

		attribute ptynode;

		type devpts_t;

	')

	dev_list_all_dev_nodes($1)

	allow $1 devpts_t:dir r_dir_perms;

	allow $1 ptynode:chr_file { rw_term_perms lock append };

')

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

## <summary>

##	Do not audit attempts to read any

##	user ptys.

## </summary>

## <param name="domain">

##	The type of the process to not audit.

## </param>

#

interface(`term_dontaudit_use_all_user_ptys',`

	gen_require(`

		attribute ptynode;

	')

	dontaudit $1 ptynode:chr_file { rw_term_perms lock append };

')

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

## <summary>

##	Relabel from and to all user

##	user pty device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_relabel_all_user_ptys',`

	gen_require(`

		attribute ptynode;

		type devpts_t;

		class chr_file { relabelfrom relabelto };

	')

	dev_list_all_dev_nodes($1)

	allow $1 devpts_t:dir search;

	allow $1 ptynode:chr_file { relabelfrom relabelto };

')

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

## <summary>

##	Get the attributes of all unallocated

##	tty device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_getattr_unallocated_ttys',`

	gen_require(`

		type tty_device_t;

		class chr_file getattr;

	')

	dev_list_all_dev_nodes($1)

	allow $1 tty_device_t:chr_file getattr;

')

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

## <summary>

##	Do not audit attempts to get the attributes

##	of all unallocated tty device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_dontaudit_getattr_unallocated_ttys',`

	gen_require(`

		type tty_device_t;

		class chr_file getattr;

	')

	dontaudit $1 tty_device_t:chr_file getattr;

')

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

## <summary>

##	Set the attributes of all unallocated

##	tty device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_setattr_unallocated_ttys',`

	gen_require(`

		type tty_device_t;

		class chr_file setattr;

	')

	dev_list_all_dev_nodes($1)

	allow $1 tty_device_t:chr_file setattr;

')

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

## <summary>

##	Relabel from and to the unallocated

##	tty type.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_relabel_unallocated_ttys',`

	gen_require(`

		type tty_device_t;

		class chr_file { relabelfrom relabelto };

	')

	dev_list_all_dev_nodes($1)

	allow $1 tty_device_t:chr_file { relabelfrom relabelto };

')

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

## <summary>

##	Relabel from all user tty types to

##	the unallocated tty type.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_reset_tty_labels',`

	gen_require(`

		attribute ttynode;

		type tty_device_t;

		class chr_file { relabelfrom relabelto };

	')

	dev_list_all_dev_nodes($1)

	allow $1 ttynode:chr_file relabelfrom;

	allow $1 tty_device_t:chr_file relabelto;

')

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

## <summary>

##	Write to unallocated ttys.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_write_unallocated_ttys',`

	gen_require(`

		type tty_device_t;

		class chr_file { getattr write };

	')

	dev_list_all_dev_nodes($1)

	allow $1 tty_device_t:chr_file { getattr write };

')

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

## <summary>

##	Read and write unallocated ttys.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_use_unallocated_tty',`

	gen_require(`

		type tty_device_t;

	')

	dev_list_all_dev_nodes($1)

	allow $1 tty_device_t:chr_file { rw_term_perms lock append };

')

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

## <summary>

##	Do not audit attempts to read or

##	write unallocated ttys.

## </summary>

## <param name="domain">

##	The type of the process to not audit.

## </param>

#

interface(`term_dontaudit_use_unallocated_tty',`

	gen_require(`

		type tty_device_t;

		class chr_file { read write };

	')

	dontaudit $1 tty_device_t:chr_file { read write };

')

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

## <summary>

##	Get the attributes of all user tty

##	device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_getattr_all_user_ttys',`

	gen_require(`

		attribute ttynode;

		class chr_file getattr;

	')

	dev_list_all_dev_nodes($1)

	allow $1 ttynode:chr_file getattr;

')

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

## <summary>

##	Do not audit attempts to get the

##	attributes of any user tty

##	device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_dontaudit_getattr_all_user_ttys',`

	gen_require(`

		attribute ttynode;

		class chr_file getattr;

	')

	dev_list_all_dev_nodes($1)

	dontaudit $1 ttynode:chr_file getattr;

')

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

## <summary>

##	Set the attributes of all user tty

##	device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_setattr_all_user_ttys',`

	gen_require(`

		attribute ttynode;

		class chr_file setattr;

	')

	dev_list_all_dev_nodes($1)

	allow $1 ttynode:chr_file setattr;

')

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

## <summary>

##	Relabel from and to all user

##	user tty device nodes.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_relabel_all_user_ttys',`

	gen_require(`

		attribute ttynode;

		class chr_file { relabelfrom relabelto };

	')

	dev_list_all_dev_nodes($1)

	allow $1 ttynode:chr_file { relabelfrom relabelto };

')

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

## <summary>

##	Write to all user ttys.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_write_all_user_ttys',`

	gen_require(`

		attribute ttynode;

		class chr_file { getattr write };

	')

	dev_list_all_dev_nodes($1)

	allow $1 ttynode:chr_file { getattr write };

')

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

## <summary>

##	Read and write all user to all user ttys.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_use_all_user_ttys',`

	gen_require(`

		attribute ttynode;

	')

	dev_list_all_dev_nodes($1)

	allow $1 ttynode:chr_file { rw_term_perms lock append };

')

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

## <summary>

##	Do not audit attempts to read or write

##	any user ttys.

## </summary>

## <param name="domain">

##	Domain allowed access.

## </param>

#

interface(`term_dontaudit_use_all_user_ttys',`

	gen_require(`

		attribute ttynode;

		class chr_file { read write };

	')

	dontaudit $1 ttynode:chr_file { read write };

')