## <summary>Berkeley Internet name domain DNS server.</summary>

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

## <summary>

##	Execute bind server in the bind domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`bind_initrc_domtrans',`

	gen_require(`

		type named_initrc_exec_t;

	')

	init_labeled_script_domtrans($1, named_initrc_exec_t)

')

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

## <summary>

##	Execute bind server in the bind domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`bind_systemctl',`

	gen_require(`

		type named_unit_file_t;

		type named_t;

	')

	systemd_exec_systemctl($1)

	allow $1 named_unit_file_t:file read_file_perms;

	allow $1 named_unit_file_t:service manage_service_perms;

	ps_process_pattern($1, named_t)

')

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

## <summary>

##	Execute ndc in the ndc domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`bind_domtrans_ndc',`

	gen_require(`

		type ndc_t, ndc_exec_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, ndc_exec_t, ndc_t)

')

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

## <summary>

##	Send generic signals to bind.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_signal',`

	gen_require(`

		type named_t;

	')

	allow $1 named_t:process signal;

')

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

## <summary>

##	Send null signals to bind.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_signull',`

	gen_require(`

		type named_t;

	')

	allow $1 named_t:process signull;

')

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

## <summary>

##	Send kill signals to bind.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_kill',`

	gen_require(`

		type named_t;

	')

	allow $1 named_t:process sigkill;

')

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

## <summary>

##	Execute ndc in the ndc domain, and

##	allow the specified role the ndc domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	Role allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`bind_run_ndc',`

	gen_require(`

		attribute_role ndc_roles;

	')

	bind_domtrans_ndc($1)

	roleattribute $2 ndc_roles;

')

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

## <summary>

##	Execute bind in the named domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`bind_domtrans',`

	gen_require(`

		type named_t, named_exec_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, named_exec_t, named_t)

')

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

## <summary>

##	Read dnssec key files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_read_dnssec_keys',`

	gen_require(`

		type named_conf_t, named_zone_t, dnssec_t;

	')

	read_files_pattern($1, { named_conf_t named_zone_t }, dnssec_t)

')

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

## <summary>

##	Read bind named configuration files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_read_config',`

	gen_require(`

		type named_conf_t;

	')

	allow $1 named_conf_t:dir  list_dir_perms;

	read_files_pattern($1, named_conf_t, named_conf_t)

')

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

## <summary>

##	Write bind named configuration files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_write_config',`

	gen_require(`

		type named_conf_t;

	')

	write_files_pattern($1, named_conf_t, named_conf_t)

	allow $1 named_conf_t:file setattr_file_perms;

')

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

## <summary>

##	Create, read, write, and delete

##	bind configuration directories.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_manage_config_dirs',`

	gen_require(`

		type named_conf_t;

	')

	manage_dirs_pattern($1, named_conf_t, named_conf_t)

')

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

## <summary>

##	Create, read, write, and delete

##	BIND configuration files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_manage_config',`

	gen_require(`

		type named_conf_t;

	')

	manage_files_pattern($1, named_conf_t, named_conf_t)

')

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

## <summary>

##	Search bind cache directories.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_search_cache',`

	gen_require(`

		type named_conf_t, named_cache_t, named_zone_t;

	')

	files_search_var($1)

	allow $1 named_conf_t:dir search_dir_perms;

	allow $1 named_zone_t:dir search_dir_perms;

	allow $1 named_cache_t:dir search_dir_perms;

')

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

## <summary>

##	Create, read, write, and delete

##	bind cache files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_manage_cache',`

	gen_require(`

		type named_cache_t, named_zone_t;

	')

	files_search_var($1)

	allow $1 named_zone_t:dir search_dir_perms;

	manage_files_pattern($1, named_cache_t, named_cache_t)

	manage_lnk_files_pattern($1, named_cache_t, named_cache_t)

')

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

## <summary>

##	Set attributes of bind pid directories.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_setattr_pid_dirs',`

	gen_require(`

		type named_var_run_t;

	')

	allow $1 named_var_run_t:dir setattr_dir_perms;

')

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

## <summary>

##	Set attributes of bind zone directories.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_setattr_zone_dirs',`

	gen_require(`

		type named_zone_t;

	')

	allow $1 named_zone_t:dir setattr_dir_perms;

')

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

## <summary>

##	Read bind zone files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_read_zone',`

	gen_require(`

		type named_zone_t;

	')

	files_search_var($1)

	read_files_pattern($1, named_zone_t, named_zone_t)

')

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

## <summary>

##	Read BIND zone files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_read_log',`

	gen_require(`

		type named_zone_t;

		type named_log_t;

	')

	files_search_var($1)

	allow $1 named_zone_t:dir search_dir_perms;

	read_files_pattern($1, named_log_t, named_log_t)

')

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

## <summary>

##	Create, read, write, and delete

##	bind zone files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_manage_zone',`

	gen_require(`

		type named_zone_t;

	')

	files_search_var($1)

	manage_files_pattern($1, named_zone_t, named_zone_t)

')

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

## <summary>

##	Send and receive datagrams to and from named.  (Deprecated)

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`bind_udp_chat_named',`

	refpolicywarn(`$0($*) has been deprecated.')

')

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

## <summary>

##	All of the rules required to

##	administrate an bind environment.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	Role allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`bind_admin',`

	gen_require(`

		type named_t, named_tmp_t, named_log_t;

		type named_conf_t, named_var_run_t, named_cache_t;

		type named_zone_t, named_initrc_exec_t;

		type dnssec_t, ndc_t, named_keytab_t;

		type named_unit_file_t;

	')

	allow $1 named_t:process signal_perms;

	ps_process_pattern($1, named_t)

	tunable_policy(`deny_ptrace',`',`

		allow $1 named_t:process ptrace;

	')

	bind_run_ndc($1, $2)

	init_labeled_script_domtrans($1, named_initrc_exec_t)

	domain_system_change_exemption($1)

	role_transition $2 named_initrc_exec_t system_r;

	allow $2 system_r;

	files_list_tmp($1)

	admin_pattern($1, named_tmp_t)

	logging_list_logs($1)

	admin_pattern($1, named_log_t)

	files_list_etc($1)

	admin_pattern($1, named_conf_t)

	admin_pattern($1, named_keytab_t)

	files_list_var($1)

	admin_pattern($1, { dnssec_t named_cache_t named_zone_t })

	files_list_pids($1)

	admin_pattern($1, named_var_run_t)

	admin_pattern($1, named_unit_file_t)

	bind_systemctl($1)

	allow $1 named_unit_file_t:service all_service_perms;

')