## <summary>Dynamic host configuration protocol (DHCP) server</summary>

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

## <summary>

##	Transition to dhcpd.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`dhcpd_domtrans',`

	gen_require(`

		type dhcpd_t, dhcpd_exec_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, dhcpd_exec_t, dhcpd_t)

')

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

## <summary>

##	Set the attributes of the DCHP

##	server state files.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`dhcpd_setattr_state_files',`

	gen_require(`

		type dhcpd_state_t;

	')

	sysnet_search_dhcp_state($1)

	allow $1 dhcpd_state_t:file setattr_file_perms;

')

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

## <summary>

##	Execute dhcp server in the dhcp domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

#

interface(`dhcpd_initrc_domtrans',`

	gen_require(`

		type dhcpd_initrc_exec_t;

	')

	init_labeled_script_domtrans($1, dhcpd_initrc_exec_t)

')

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

## <summary>

##	Execute dhcpd server in the dhcpd domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`dhcpd_systemctl',`

	gen_require(`

		type dhcpd_unit_file_t;

		type dhcpd_t;

	')

	systemd_exec_systemctl($1)

	systemd_search_unit_dirs($1)

	allow $1 dhcpd_unit_file_t:file read_file_perms;

	allow $1 dhcpd_unit_file_t:service manage_service_perms;

	ps_process_pattern($1, dhcpd_t)

')

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

## <summary>

##	All of the rules required to administrate 

##	an dhcp environment

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	The role to be allowed to manage the dhcp domain.

##	</summary>

## </param>

## <rolecap/>

#

interface(`dhcpd_admin',`

	gen_require(`

		type dhcpd_t, dhcpd_tmp_t, dhcpd_state_t;

		type dhcpd_var_run_t, dhcpd_initrc_exec_t;

		type dhcpd_unit_file_t;

	')

	allow $1 dhcpd_t:process signal_perms;

	ps_process_pattern($1, dhcpd_t)

	tunable_policy(`deny_ptrace',`',`

		allow $1 dhcpd_t:process ptrace;

	')

	init_labeled_script_domtrans($1, dhcpd_initrc_exec_t)

	domain_system_change_exemption($1)

	role_transition $2 dhcpd_initrc_exec_t system_r;

	allow $2 system_r;

	files_list_tmp($1)

	admin_pattern($1, dhcpd_tmp_t)

	admin_pattern($1, dhcpd_state_t)

	files_list_pids($1)

	admin_pattern($1, dhcpd_var_run_t)

	dhcpd_systemctl($1)

	admin_pattern($1, dhcpd_unit_file_t)

	allow $1 dhcpd_unit_file_t:service all_service_perms;

')