platform_system_sepolicy/private/dhcp.te

typeattribute dhcp coredomain;

init_daemon_domain(dhcp)
type_transition dhcp system_data_file:{ dir file } dhcp_data_file;

set_prop(dhcp, dhcp_prop)
set_prop(dhcp, pan_result_prop)

net_domain(dhcp)

allow dhcp cgroup:dir { create write add_name };
allow dhcp cgroup_v2:dir { create write add_name };
allow dhcp self:global_capability_class_set { setgid setuid net_admin net_raw net_bind_service };
allow dhcp self:packet_socket create_socket_perms_no_ioctl;
allow dhcp self:netlink_route_socket nlmsg_write;
allow dhcp shell_exec:file rx_file_perms;
allow dhcp system_file:file rx_file_perms;
not_full_treble(`allow dhcp vendor_file:file rx_file_perms;')

# dhcpcd runs dhcpcd-hooks/*, which runs getprop / setprop (toolbox_exec)
allow dhcp toolbox_exec:file rx_file_perms;

# For /proc/sys/net/ipv4/conf/*/promote_secondaries
allow dhcp proc_net_type:file write;

allow dhcp dhcp_data_file:dir create_dir_perms;
allow dhcp dhcp_data_file:file create_file_perms;

# PAN connections
allow dhcp netd:fd use;
allow dhcp netd:fifo_file rw_file_perms;
allow dhcp netd:{ dgram_socket_class_set unix_stream_socket } { read write };
allow dhcp netd:{ netlink_kobject_uevent_socket netlink_route_socket netlink_nflog_socket } { read write };