Revert "Revert "Various minor policy fixes based on CTS.""

This reverts commit ba84bf1dec64d745b6efc516799b2c722a672cd9

Hidden dependency resolved.

Change-Id: I9f0844f643abfda8405db2c722a36c847882c392
diff --git a/dhcp.te b/dhcp.te
index 0c533eb..10ab788 100644
--- a/dhcp.te
+++ b/dhcp.te
@@ -4,16 +4,15 @@
 type dhcp_system_file, file_type, data_file_type;
 
 init_daemon_domain(dhcp)
+net_domain(dhcp)
 
-allow dhcp cgroup:dir { create add_name };
-allow dhcp self:capability { setgid setuid net_admin net_raw };
-allow dhcp self:packet_socket { create setopt bind write read };
-allow dhcp self:netlink_route_socket { write nlmsg_write read create bind };
-allow dhcp self:udp_socket { create ioctl };
-allow dhcp shell_exec:file { read open execute };
-allow dhcp system_file:file execute_no_trans;
+allow dhcp cgroup:dir { create write add_name };
+allow dhcp self:capability { setgid setuid net_admin net_raw net_bind_service };
+allow dhcp self:packet_socket create_socket_perms;
+allow dhcp self:netlink_route_socket { create_socket_perms nlmsg_write };
+allow dhcp shell_exec:file rx_file_perms;
+allow dhcp system_file:file rx_file_perms;
 allow dhcp proc:file write;
-allow dhcp property_socket:sock_file write ;
 allow dhcp system_prop:property_service set ;
 allow dhcp dhcp_system_file:file rx_file_perms;
 allow dhcp dhcp_system_file:dir r_dir_perms;