platform_system_sepolicy/private/incident_helper.te

typeattribute incident_helper coredomain;

type incident_helper_exec, exec_type, file_type;

# switch to incident_helper domain for incident_helper command
domain_auto_trans(incidentd, incident_helper_exec, incident_helper)

# use pipe to transmit data from/to incidentd/incident_helper for parsing
allow incident_helper { shell incident incidentd }:fd use;
allow incident_helper { shell incident incidentd }:fifo_file { getattr read write };
allow incident_helper incidentd:unix_stream_socket { read write };

# only allow incidentd and shell to call incident_helper
neverallow { domain -incidentd -incident_helper -shell } incident_helper_exec:file { execute execute_no_trans };