selinux-policy/refpolicy/policy/modules/system/unconfined.if

## <summary>The unconfined domain.</summary>

########################################
## <summary>
##	Make the specified domain unconfined.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to make unconfined.
##	</summary>
## </param>
#
interface(`unconfined_domain_noaudit',`
	gen_require(`
		class dbus all_dbus_perms;
		class nscd all_nscd_perms;
		class passwd all_passwd_perms;
	')

	# Use any Linux capability.
	allow $1 self:capability *;
	allow $1 self:fifo_file create_file_perms;

	# Transition to myself, to make get_ordered_context_list happy.
	allow $1 self:process transition;

	# Write access is for setting attributes under /proc/self/attr.
	allow $1 self:file rw_file_perms;

	# Userland object managers
	allow $1 self:nscd *;
	allow $1 self:dbus *;
	allow $1 self:passwd *;

	kernel_unconfined($1)
	corenet_unconfined($1)
	dev_unconfined($1)
	domain_unconfined($1)
	domain_dontaudit_read_all_domains_state($1)
	files_unconfined($1)
	fs_unconfined($1)
	selinux_unconfined($1)

	tunable_policy(`allow_execheap',`
		# Allow making the stack executable via mprotect.
		allow $1 self:process execheap;
	')

	tunable_policy(`allow_execmem',`
		# Allow making anonymous memory executable, e.g. 
		# for runtime-code generation or executable stack.
		allow $1 self:process execmem;
	')

	tunable_policy(`allow_execmem && allow_execstack',`
		# Allow making the stack executable via mprotect.
		allow $1 self:process execstack;
	', `
		# These are fairly common but seem to be harmless
		# caused by using shared libraries built with old tool chains
		dontaudit $1 self:process execstack;
	')


	optional_policy(`authlogin',`
		auth_unconfined($1)
	')

	optional_policy(`bootloader',`
		bootloader_manage_kernel_modules($1)
	')

	optional_policy(`dbus',`
		# Communicate via dbusd.
		dbus_system_bus_unconfined($1)
	')

	optional_policy(`libraries',`
		libs_use_shared_libs($1)
	')

	optional_policy(`nscd',`
		nscd_unconfined($1)
	')

	optional_policy(`selinuxutil',`
		seutil_create_bin_policy($1)
		seutil_relabelto_bin_policy($1)
	')

	optional_policy(`storage',`
		storage_unconfined($1)
	')

	ifdef(`TODO',`
	if (allow_execmod) {
		ifdef(`targeted_policy', `', `
			# Allow text relocations on system shared libraries, e.g. libGL.
			allow $1 home_type:file execmod;
		')
	}
	') dnl end TODO
')

########################################
## <summary>
##	Make the specified domain unconfined and
##	audit executable memory and executable heap
##	usage.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to make unconfined.
##	</summary>
## </param>
#
interface(`unconfined_domain',`
	unconfined_domain_noaudit($1)

	tunable_policy(`allow_execheap',`
		auditallow $1 self:process execheap;
	')

	tunable_policy(`allow_execmem',`
		auditallow $1 self:process execmem;
	')
')

########################################
## <summary>
##	Transition to the unconfined domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`unconfined_domtrans',`
	gen_require(`
		type unconfined_t, unconfined_exec_t;
	')

	domain_auto_trans($1,unconfined_exec_t,unconfined_t)

	allow $1 unconfined_t:fd use;
	allow unconfined_t $1:fd use;
	allow unconfined_t $1:fifo_file rw_file_perms;
	allow unconfined_t $1:process sigchld;
')

########################################
## <summary>
##	Execute specified programs in the unconfined domain.
## </summary>
## <param name="domain">
##	<summary>
##	The type of the process performing this action.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to allow the unconfined domain.
##	</summary>
## </param>
## <param name="terminal">
##	<summary>
##	The type of the terminal allow the unconfined domain to use.
##	</summary>
## </param>
#
interface(`unconfined_run',`
	gen_require(`
		type unconfined_t;
	')

	unconfined_domtrans($1)
	role $2 types unconfined_t;
	allow unconfined_t $3:chr_file rw_term_perms;
')

########################################
## <summary>
##	Transition to the unconfined domain by executing a shell.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`unconfined_shell_domtrans',`
	gen_require(`
		type unconfined_t;
	')

	corecmd_shell_domtrans($1,unconfined_t)
')

########################################
## <summary>
##	Inherit file descriptors from the unconfined domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`unconfined_use_fd',`
	gen_require(`
		type unconfined_t;
	')

	allow $1 unconfined_t:fd use;
')

########################################
## <summary>
##	Send a SIGCHLD signal to the unconfined domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`unconfined_sigchld',`
	gen_require(`
		type unconfined_t;
	')

	allow $1 unconfined_t:process sigchld;
')

########################################
## <summary>
##	Send generic signals to the unconfined domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`unconfined_signal',`
	gen_require(`
		type unconfined_t;
	')

	allow $1 unconfined_t:process signal;
')

########################################
## <summary>
##	Read unconfined domain unnamed pipes.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`unconfined_read_pipes',`
	gen_require(`
		type unconfined_t;
	')

	allow $1 unconfined_t:fifo_file r_file_perms;
')

########################################
## <summary>
##	Do not audit attempts to read unconfined domain unnamed pipes.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`unconfined_dontaudit_read_pipes',`
	gen_require(`
		type unconfined_t;
	')

	dontaudit $1 unconfined_t:fifo_file read;
')

########################################
## <summary>
##	Read and write unconfined domain unnamed pipes.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`unconfined_rw_pipes',`
	gen_require(`
		type unconfined_t;
	')

	allow $1 unconfined_t:fifo_file rw_file_perms;
')

########################################
## <summary>
##	Do not audit attempts to read or write
##	unconfined domain tcp sockets.
## </summary>
## <desc>
##	<p>
##	Do not audit attempts to read or write
##	unconfined domain tcp sockets.
##	</p>
##	<p>
##	This interface was added due to a broken
##	symptom in ldconfig.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`unconfined_dontaudit_rw_tcp_sockets',`
	gen_require(`
		type unconfined_t;
	')

	dontaudit $1 unconfined_t:tcp_socket { read write };
')

########################################
## <summary>
##	Send messages to the unconfined domain over dbus.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`unconfined_dbus_send',`
	gen_require(`
		type unconfined_t;
		class dbus send_msg;
	')

	allow $1 unconfined_t:dbus send_msg;
')

########################################
## <summary>
##	Add an alias type to the unconfined domain.
## </summary>
## <desc>
##	<p>
##	Add an alias type to the unconfined domain.
##	</p>
##	<p>
##	This is added to support targeted policy.  Its
##	use should be limited.  It has no effect
##	on the strict policy.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	New alias of the unconfined domain.
##	</summary>
## </param>
#
interface(`unconfined_alias_domain',`
	ifdef(`targeted_policy',`
		gen_require(`
			type unconfined_t;
		')

		typealias unconfined_t alias $1;
	',`
		errprint(`Warning: $0($1) has no effect in strict policy.'__endline__)
	')
')