## <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;
')