common/system_server.te

#============= system_server ==============
# allow system_server to communicate with cnd process over cnd_socket
unix_socket_connect(system_server, cnd, cnd)
# allow  system/framework applications to update the cnd configuration files
allow system_server cnd_data_file:dir rw_dir_perms;
allow system_server cnd_data_file:file create_file_perms;

# Access to sensors socket
unix_socket_connect(system_server, sensors, sensors)
unix_socket_send(system_server, sensors, sensors)
allow system_server sensors:unix_stream_socket sendto;
allow system_server sensors_socket:sock_file r_file_perms;
qmux_socket(system_server);

# access to perflock
allow system_server mpctl_socket:dir r_dir_perms;
unix_socket_send(system_server, mpctl, mpdecision)
unix_socket_connect(system_server, mpctl, mpdecision)

# allow  system/framework applications to update the dpmd configuration files
unix_socket_connect(system_server, dpmd, dpmd);
allow system_server dpmd_socket:sock_file write;
allow system_server dpmd_data_file:dir create_dir_perms;
allow system_server dpmservice:service_manager add;
allow system_server dpmd_data_file:file create_file_perms;
allow system_server socket_device:sock_file write;

unix_socket_send(system_server, mpctl, perfd)
unix_socket_connect(system_server, mpctl, perfd)

# For location
type_transition system_server location_data_file:sock_file location_socket "location-mq-s";
allow system_server location:unix_stream_socket connectto;
allow system_server location_data_file:file create_file_perms;
allow system_server location_data_file:dir rw_dir_perms;
allow system_server location_data_file:fifo_file create_file_perms;
allow system_server location_app_data_file:file rw_file_perms;
allow system_server location_app_data_file:dir r_dir_perms;
allow system_server location_socket:sock_file create_file_perms;

#For wifistatemachine
allow system_server kernel:key search;
allow system_server wbc_service:service_manager add;

#For ssr
allow system_server ssr_device:chr_file { read open };

allow system_server fuse:dir search;
allow system_server persist_file:dir search;

#For ANT tty communication and to set wc_transport prop
allow system_server bluetooth_prop:property_service set;
allow system_server serial_device:chr_file rw_file_perms;
allow system_server smd_device:chr_file rw_file_perms;

#For BT firmware
allow system_server bt_firmware_file:dir r_dir_perms;
allow system_server bt_firmware_file:file r_file_perms;

# Allow system_server to add digital pen system service
allow system_server usf_service:service_manager add;

# Allow system server access to usf resources
allow system_server usf:process signal;
allow system_server usf:unix_stream_socket connectto;
allow system_server usf_data_file:sock_file write;
allow system_server usf_data_file:dir rw_dir_perms;
allow system_server usf_data_file:file r_file_perms;
allow system_server usf_data_file:lnk_file r_file_perms;
allow system_server usf_prop:property_service set;