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

## <required val="true">

##	Contains the concept of a domain.

## </required>

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

## <summary>

##	Make the specified type usable as a basic domain.

## </summary>

## <desc>

##	

##	Make the specified type usable as a basic domain.

##	

##	

##	This is primarily used for kernel threads;

##	generally the domain_type() interface is

##	more appropriate for userland processes.

##	

## </desc>

## <param name="type">

##	<summary>

##	Type to be used as a basic domain type.

##	</summary>

## </param>

#

interface(`domain_base_type',`

	gen_require(`

		attribute domain;

	')

	typeattribute $1 domain;

')

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

## <summary>

##	Make the specified type usable as a domain.

## </summary>

## <desc>

##	

##	Make the specified type usable as a domain.  This,

##	or an interface that calls this interface, must be

##	used on all types that are used as domains.

##	

##	

##	Related interfaces:

##	

##	

##		
application_domain()

##		
init_daemon_domain()

##		
init_domaion()

##		
init_ranged_daemon_domain()

##		
init_ranged_domain()

##		
init_ranged_system_domain()

##		
init_script_domain()

##		
init_system_domain()

##	

##	

##	Example:

##	

##	

##	type mydomain_t;

##	domain_type(mydomain_t)

##	type myfile_t;

##	files_type(myfile_t)

##	allow mydomain_t myfile_t:file read_file_perms;

##	

## </desc>

## <param name="type">

##	<summary>

##	Type to be used as a domain type.

##	</summary>

## </param>

## <infoflow type="none"/>

#

interface(`domain_type',`

	# start with basic domain

	domain_base_type($1)

	ifdef(`distro_redhat',`

		optional_policy(`

			unconfined_use_fds($1)

		')

	')

	# send init a sigchld and signull

	optional_policy(`

		init_sigchld($1)

		init_signull($1)

	')

	# these seem questionable:

	optional_policy(`

		rpm_use_fds($1)

		rpm_read_pipes($1)

	')

	optional_policy(`

		selinux_dontaudit_getattr_fs($1)

		selinux_dontaudit_read_fs($1)

	')

	optional_policy(`

		seutil_dontaudit_read_config($1)

	')

')

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

## <summary>

##	Make the specified type usable as

##	an entry point for the domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to be entered.

##	</summary>

## </param>

## <param name="type">

##	<summary>

##	Type of program used for entering

##	the domain.

##	</summary>

## </param>

#

interface(`domain_entry_file',`

	gen_require(`

		attribute entry_type;

	')

	allow $1 $2:file entrypoint;

	allow $1 $2:file { mmap_file_perms ioctl lock };

	typeattribute $2 entry_type;

	corecmd_executable_file($2)

')

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

## <summary>

##	Make the file descriptors of the specified

##	domain for interactive use (widely inheritable)

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`domain_interactive_fd',`

	gen_require(`

		attribute privfd;

	')

	typeattribute $1 privfd;

')

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

## <summary>

##	Allow the specified domain to perform

##	dynamic transitions.

## </summary>

## <desc>

##	

##	Allow the specified domain to perform

##	dynamic transitions.

##	

##	

##	This violates process tranquility, and it

##	is strongly suggested that this not be used.

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`domain_dyntrans_type',`

	gen_require(`

		attribute set_curr_context;

	')

	typeattribute $1 set_curr_context;

')

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

## <summary>

##	Makes caller and execption to the constraint

##	preventing changing to the system user

##	identity and system role.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`domain_system_change_exemption',`

	gen_require(`

		attribute can_system_change;

	')

	typeattribute $1 can_system_change;

')

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

## <summary>

##	Makes caller an exception to the constraint preventing

##	changing of user identity.

## </summary>

## <param name="domain">

##	<summary>

##	The process type to make an exception to the constraint.

##	</summary>

## </param>

#

interface(`domain_subj_id_change_exemption',`

	gen_require(`

		attribute can_change_process_identity;

	')

	typeattribute $1 can_change_process_identity;

')

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

## <summary>

##	Makes caller an exception to the constraint preventing

##	changing of role.

## </summary>

## <param name="domain">

##	<summary>

##	The process type to make an exception to the constraint.

##	</summary>

## </param>

#

interface(`domain_role_change_exemption',`

	gen_require(`

		attribute can_change_process_role;

	')

	typeattribute $1 can_change_process_role;

')

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

## <summary>

##	Makes caller an exception to the constraint preventing

##	changing the user identity in object contexts.

## </summary>

## <param name="domain">

##	<summary>

##	The process type to make an exception to the constraint.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_obj_id_change_exemption',`

	gen_require(`

		attribute can_change_object_identity;

	')

	typeattribute $1 can_change_object_identity;

')

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

## <summary>

##	Make the specified domain the target of

##	the user domain exception of the

##	SELinux role and identity change

##	constraints.

## </summary>

## <desc>

##	

##	Make the specified domain the target of

##	the user domain exception of the

##	SELinux role and identity change

##	constraints.

##	

##	

##	This interface is needed to decouple

##	the user domains from the base module.

##	It should not be used other than on

##	user domains.

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain target for user exemption.

##	</summary>

## </param>

#

interface(`domain_user_exemption_target',`

	gen_require(`

		attribute process_user_target;

	')

	typeattribute $1 process_user_target;

')

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

## <summary>

##	Make the specified domain the source of

##	the cron domain exception of the

##	SELinux role and identity change

##	constraints.

## </summary>

## <desc>

##	

##	Make the specified domain the source of

##	the cron domain exception of the

##	SELinux role and identity change

##	constraints.

##	

##	

##	This interface is needed to decouple

##	the cron domains from the base module.

##	It should not be used other than on

##	cron domains.

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain target for user exemption.

##	</summary>

## </param>

#

interface(`domain_cron_exemption_source',`

	gen_require(`

		attribute cron_source_domain;

	')

	typeattribute $1 cron_source_domain;

')

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

## <summary>

##	Make the specified domain the target of

##	the cron domain exception of the

##	SELinux role and identity change

##	constraints.

## </summary>

## <desc>

##	

##	Make the specified domain the target of

##	the cron domain exception of the

##	SELinux role and identity change

##	constraints.

##	

##	

##	This interface is needed to decouple

##	the cron domains from the base module.

##	It should not be used other than on

##	user cron jobs.

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain target for user exemption.

##	</summary>

## </param>

#

interface(`domain_cron_exemption_target',`

	gen_require(`

		attribute cron_job_domain;

	')

	typeattribute $1 cron_job_domain;

')

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

## <summary>

##	Inherit and use file descriptors from

##	domains with interactive programs.

## </summary>

## <desc>

##	

##	Allow the specified domain to inherit and use file

##	descriptors from domains with interactive programs. 

##	This does not allow access to the objects being referenced

##	by the file descriptors.

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

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

#

interface(`domain_use_interactive_fds',`

	gen_require(`

		attribute privfd;

	')

	allow $1 privfd:fd use;

')

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

## <summary>

##	Do not audit attempts to inherit file

##	descriptors from domains with interactive

##	programs.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`domain_dontaudit_use_interactive_fds',`

	gen_require(`

		attribute privfd;

	')

	dontaudit $1 privfd:fd use;

')

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

## <summary>

##	Send a SIGCHLD signal to domains whose file

##	discriptors are widely inheritable.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

# cjp: this was added because of newrole

interface(`domain_sigchld_interactive_fds',`

	gen_require(`

		attribute privfd;

	')

	allow $1 privfd:process sigchld;

')

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

## <summary>

##	Set the nice level of all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_setpriority_all_domains',`

	gen_require(`

		attribute domain;

	')

	allow $1 domain:process setsched;

')

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

## <summary>

##	Send general signals to all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_signal_all_domains',`

	gen_require(`

		attribute domain;

	')

	allow $1 domain:process signal;

')

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

## <summary>

##	Dontaudit sending general signals to all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_dontaudit_signal_all_domains',`

	gen_require(`

		attribute domain;

	')

	dontaudit $1 domain:process signal;

')

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

## <summary>

##	Send a null signal to all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_signull_all_domains',`

	gen_require(`

		attribute domain;

	')

	allow $1 domain:process signull;

')

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

## <summary>

##	Send a stop signal to all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_sigstop_all_domains',`

	gen_require(`

		attribute domain;

	')

	allow $1 domain:process sigstop;

')

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

## <summary>

##	Send a child terminated signal to all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_sigchld_all_domains',`

	gen_require(`

		attribute domain;

	')

	allow $1 domain:process sigchld;

')

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

## <summary>

##	Send a kill signal to all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_kill_all_domains',`

	gen_require(`

		attribute domain;

	')

	allow $1 domain:process sigkill;

	allow $1 self:capability kill;

')

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

## <summary>

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

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`domain_search_all_domains_state',`

	gen_require(`

		attribute domain;

	')

	kernel_search_proc($1)

	allow $1 domain:dir search_dir_perms;

')

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

## <summary>

##	Do not audit attempts to search the process

##	state directory (/proc/pid) of all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`domain_dontaudit_search_all_domains_state',`

	gen_require(`

		attribute domain;

	')

	dontaudit $1 domain:dir search_dir_perms;

')

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

## <summary>

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

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_read_all_domains_state',`

	gen_require(`

		attribute domain;

	')

	kernel_search_proc($1)

	allow $1 domain:dir list_dir_perms;

	read_files_pattern($1, domain, domain)

	read_lnk_files_pattern($1, domain, domain)

')

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

## <summary>

##	Get the attributes of all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_getattr_all_domains',`

	gen_require(`

		attribute domain;

	')

	allow $1 domain:process getattr;

')

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

## <summary>

##	Dontaudit geting the attributes of all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`domain_dontaudit_getattr_all_domains',`

	gen_require(`

		attribute domain;

	')

	dontaudit $1 domain:process getattr;

')

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

## <summary>

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

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_read_confined_domains_state',`

	gen_require(`

		attribute domain, unconfined_domain_type;

	')

	kernel_search_proc($1)

	allow $1 { domain -unconfined_domain_type }:dir list_dir_perms;

	read_files_pattern($1, { domain -unconfined_domain_type }, { domain -unconfined_domain_type })

	read_lnk_files_pattern($1, { domain -unconfined_domain_type }, { domain -unconfined_domain_type })

	dontaudit $1 unconfined_domain_type:dir search_dir_perms;

	dontaudit $1 unconfined_domain_type:file read_file_perms;

	dontaudit $1 unconfined_domain_type:lnk_file read_lnk_file_perms;

')

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

## <summary>

##	Get the attributes of all confined domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_getattr_confined_domains',`

	gen_require(`

		attribute domain, unconfined_domain_type;

	')

	allow $1 { domain -unconfined_domain_type }:process getattr;

')

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

## <summary>

##	Ptrace all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`domain_ptrace_all_domains',`

	gen_require(`

		attribute domain;

	')

	allow $1 domain:process ptrace;

	allow domain $1:process sigchld;

')

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

## <summary>

##	Do not audit attempts to ptrace all domains.

## </summary>

## <desc>

##	

##	Do not audit attempts to ptrace all domains.

##	

##	

##	Generally this needs to be suppressed because procps tries to access

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

##	(2.4 and 2.6).

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`domain_dontaudit_ptrace_all_domains',`

	gen_require(`

		attribute domain;

	')

	dontaudit $1 domain:process ptrace;

')

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

## <summary>

##	Do not audit attempts to ptrace confined domains.

## </summary>

## <desc>

##	

##	Do not audit attempts to ptrace confined domains.

##	

##	

##	Generally this needs to be suppressed because procps tries to access

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

##	(2.4 and 2.6).

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`domain_dontaudit_ptrace_confined_domains',`

	gen_require(`

		attribute domain, unconfined_domain_type;

	')

	dontaudit $1 { domain -unconfined_domain_type }:process ptrace;

')

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

## <summary>

##	Do not audit attempts to read the process

##	state (/proc/pid) of all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`domain_dontaudit_read_all_domains_state',`

	gen_require(`

		attribute domain;

	')

	dontaudit $1 domain:dir list_dir_perms;

	dontaudit $1 domain:lnk_file read_lnk_file_perms;

	dontaudit $1 domain:file read_file_perms;

	# cjp: these should be removed:

	dontaudit $1 domain:sock_file read_sock_file_perms;

	dontaudit $1 domain:fifo_file read_fifo_file_perms;

')

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

## <summary>

##	Do not audit attempts to read the process state

##	directories of all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`domain_dontaudit_list_all_domains_state',`

	gen_require(`

		attribute domain;

	')

	dontaudit $1 domain:dir list_dir_perms;

')

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

## <summary>

##	Get the session ID of all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`domain_getsession_all_domains',`

	gen_require(`

		attribute domain;

	')

	allow $1 domain:process getsession;

')

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

## <summary>

##	Do not audit attempts to get the

##	session ID of all domains.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`domain_dontaudit_getsession_all_domains',`

	gen_require(`

		attribute domain;

	')

	dontaudit $1 domain:process getsession;

')

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

## <summary>

##	Get the process group ID of all domains.