## <module name="domain" layer="system">

## <summary>Core policy for domains.</summary>

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

#

# domain_make_base_domain(domain)

#

define(`domain_make_base_domain',`

	requires_block_template(`$0'_depend)

	# mark as a domain

	typeattribute $1 domain;

	# allow the domain to read its /proc/pid entries

	allow $1 self:dir { getattr search read };

	allow $1 self:{ file lnk_file } { getattr read write ioctl };

	# allow $1 to create child processes in this domain

	allow $1 self:process { fork sigchld };

')

define(`domain_make_base_domain_depend',`

	attribute domain;

	class dir { getattr search read };

	class file { getattr read write ioctl };

	class lnk_file { getattr read };

')

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

#

# domain_make_domain(domain)

#

define(`domain_make_domain',`

	# start with basic domain

	domain_make_base_domain($1)

	# Use trusted objects in /dev

	devices_use_dev_null($1)

	devices_use_dev_zero($1)

	terminal_use_controlling_terminal($1)

	# read the root directory

	files_read_root_dir($1)

	# send init a sigchld

	init_sigchld($1)

	# this seems highly questionable:

	optional_policy(`rpm.te',`

		rpm_use_file_descriptors($1)

		rpm_read_pipe($1)

	')

')

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

#

# domain_make_entrypoint_file(domain,entrypointfile)

#

define(`domain_make_entrypoint_file',`

	requires_block_template(`$0'_depend)

	files_make_file($2)

	allow $1 $2:file entrypoint;

	typeattribute $2 entry_type;

')

define(`domain_make_entrypoint_file_depend',`

	attribute entry_type;

	class file entrypoint;

')

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

#

# domain_make_file_descriptors_widely_inheritable(domain)

#

define(`domain_make_file_descriptors_widely_inheritable',`

	requires_block_template(`$0'_depend)

	typeattribute $1 privfd;

')

define(`domain_make_file_descriptors_widely_inheritable_depend',`

	attribute privfd;

')

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

#

# domain_use_widely_inheritable_file_descriptors(domain)

#

define(`domain_use_widely_inheritable_file_descriptors',`

	requires_block_template(`$0'_depend)

	allow $1 privfd:fd use;

')

define(`domain_use_widely_inheritable_file_descriptors_depend',`

	attribute privfd;

	class fd use;

')

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

#

# domain_ignore_use_widely_inheritable_file_descriptors(domain)

#

define(`domain_ignore_use_widely_inheritable_file_descriptors',`

	requires_block_template(`$0'_depend)

	dontaudit $1 privfd:fd use;

')

define(`domain_ignore_use_widely_inheritable_file_descriptors_depend',`

	attribute privfd;

	class fd use;

')

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

#

# domain_set_all_domains_priorities(domain)

#

define(`domain_set_all_domains_priorities',`

	requires_block_template(`$0'_depend)

	allow $1 domain:process setsched;

')

define(`domain_set_all_domains_priorities_depend',`

	attribute domain;

	class process setsched;

')

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

## <interface name="domain_signal_all_domains">

##	<description>

##		Send general signals to all domains.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="write" weight="1"/>

## </interface>

#

define(`domain_signal_all_domains',`

	requires_block_template(`$0'_depend)

	allow $1 domain:process signal;

')

define(`domain_signal_all_domains_depend',`

	attribute domain;

	class process signal;

')

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

## <interface name="domain_signull_all_domains">

##	<description>

##		Send a null signal to all domains.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="write" weight="1"/>

## </interface>

#

define(`domain_signull_all_domains',`

	requires_block_template(`$0'_depend)

	allow $1 domain:process signull;

')

define(`domain_signull_all_domains_depend',`

	attribute domain;

	class process signull;

')

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

## <interface name="domain_sigstop_all_domains">

##	<description>

##		Send a stop signal to all domains.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="write" weight="1"/>

## </interface>

#

define(`domain_sigstop_all_domains',`

	requires_block_template(`$0'_depend)

	allow $1 domain:process sigstop;

')

define(`domain_sigstop_all_domains_depend',`

	attribute domain;

	class process sigstop;

')

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

## <interface name="domain_sigchld_all_domains">

##	<description>

##		Send a child terminated signal to all domains.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="write" weight="1"/>

## </interface>

#

define(`domain_sigchld_all_domains',`

	requires_block_template(`$0'_depend)

	allow $1 domain:process sigchld;

')

define(`domain_sigchld_all_domains_depend',`

	attribute domain;

	class process sigchld;

')

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

## <interface name="domain_kill_all_domains">

##	<description>

##		Send a kill signal to all domains.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="write" weight="1"/>

## </interface>

#

define(`domain_kill_all_domains',`

	requires_block_template(`$0'_depend)

	allow $1 domain:process sigkill;

	allow $1 self:capability kill;

')

define(`domain_kill_all_domains_depend',`

	attribute domain;

	class process sigkill;

	class capability kill;

')

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

## <interface name="domain_read_all_domains_process_state">

##	<description>

##		Read the process state (/proc/pid) of all domains.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="read" weight="10"/>

## </interface>

#

define(`domain_read_all_domains_process_state',`

	requires_block_template(`$0'_depend)

	allow $1 domain:dir { getattr search read };

	allow $1 domain:lnk_file { getattr read };

	allow $1 domain:file { getattr read };

	allow $1 domain:process getattr;

	# We need to suppress this denial because procps tries to access

	# /proc/pid/environ and this now triggers a ptrace check in recent kernels

	# (2.4 and 2.6).  Might want to change procps to not do this, or only if

	# running in a privileged domain.

	dontaudit $1 domain:process ptrace;

')

define(`domain_read_all_domains_process_state_depend',`

	attribute domain;

	class dir { getattr search read };

	class lnk_file { getattr read };

	class file { getattr read };

	class process { getattr ptrace };

')

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

## <interface name="domain_ignore_read_all_domains_process_dirs">

##	<description>

##		Do not audit attempts to read the process state

##		directories of all domains.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="none"/>

## </interface>

#

define(`domain_ignore_read_all_domains_process_dirs',`

	requires_block_template(`$0'_depend)

	dontaudit $1 domain:dir r_dir_perms;

')

define(`domain_ignore_read_all_domains_process_dirs_depend',`

	attribute domain;

	class dir r_dir_perms;

')

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

## <interface name="domain_get_all_domains_session_id">

##	<description>

##		Get the session ID of all domains.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="read" weight="1"/>

## </interface>

#

define(`domain_get_all_domains_session_id',`

	requires_block_template(`$0'_depend)

	allow $1 domain:process getsession;

')

define(`domain_get_all_domains_session_id_depend',`

	attribute domain;

	class process getsession;

')

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

## <interface name="domain_ignore_get_all_domains_udp_socket_attributes">

##	<description>

##		Do not audit attempts to get the attributes

##		of all domains UDP sockets.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="none"/>

## </interface>

#

define(`domain_ignore_get_all_domains_udp_socket_attributes',`

	requires_block_template(`$0'_depend)

	dontaudit $1 domain:udp_socket getattr;

')

define(`domain_ignore_get_all_domains_udp_socket_attributes_depend',`

	attribute domain;

	class udp_socket getattr;

')

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

## <interface name="domain_ignore_get_all_domains_tcp_socket_attributes">

##	<description>

##		Do not audit attempts to get the attributes

##		of all domains TCP sockets.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="none"/>

## </interface>

#

define(`domain_ignore_get_all_domains_tcp_socket_attributes',`

	requires_block_template(`$0'_depend)

	dontaudit $1 domain:tcp_socket getattr;

')

define(`domain_ignore_get_all_domains_tcp_socket_attributes_depend',`

	attribute domain;

	class tcp_socket getattr;

')

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

## <interface name="domain_ignore_get_all_domains_unix_dgram_socket_attributes">

##	<description>

##		Do not audit attempts to get the attributes

##		of all domains unix datagram sockets.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="none"/>

## </interface>

#

define(`domain_ignore_get_all_domains_unix_dgram_socket_attributes',`

	requires_block_template(`$0'_depend)

	dontaudit $1 domain:unix_dgram_socket getattr;

')

define(`domain_ignore_get_all_domains_unix_dgram_socket_attributes_depend',`

	attribute domain;

	class unix_dgram_socket getattr;

')

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

## <interface name="domain_ignore_get_all_domains_pipe_attributes">

##	<description>

##		Do not audit attempts to get the attributes

##		of all domains unnamed pipes.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="none"/>

## </interface>

#

define(`domain_ignore_get_all_domains_pipe_attributes',`

	requires_block_template(`$0'_depend)

	dontaudit $1 domain:fifo_file getattr;

')

define(`domain_ignore_get_all_domains_pipe_attributes_depend',`

	attribute domain;

	class fifo_file getattr;

')

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

#

# domain_execute_all_entrypoint_programs(domain)

#

define(`domain_execute_all_entrypoint_programs',`

	requires_block_template(`$0'_depend)

	allow $1 entry_type:file { getattr read ioctl lock execute execute_no_trans };

')

define(`domain_execute_all_entrypoint_programs_depend',`

	attribute entry_type;

	class file { getattr read ioctl lock execute execute_no_trans };

')

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

#

# domain_read_all_entrypoint_programs(domain)

#

define(`domain_read_all_entrypoint_programs',`

	requires_block_template(`$0'_depend)

	allow $1 entry_type:lnk_file { getattr read };

	allow $1 entry_type:file r_file_perms;

')

define(`domain_read_all_entrypoint_programs_depend',`

	attribute entry_type;

	class file r_file_perms;

	class lnk_file { getattr read };

')

## </module>

#

# These next macros are not interfaces, but actually are 

# support macros.  Due to the domain_ prefix, they 

# are placed in this module.

#

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

#

# domain_trans(source_domain,entrypoint_file,target_domain)

#

define(`domain_trans',`

	requires_block_template(`$0'_depend)

	allow $1 $2:file { getattr read execute };

	allow $1 $3:process transition;

	dontaudit $1 $3:process { noatsecure siginh rlimitinh };

')

define(`domain_trans_depend',`

	class file { getattr read execute };

	process { transition noatsecure siginh rlimitinh };

')

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

#

# domain_auto_trans(source_domain,entrypoint_file,target_domain)

#

define(`domain_auto_trans',`

	domain_trans($1,$2,$3)

	type_transition $1 $2:process $3;

')