microdroid/system/private/compos.te

# TODO(b/193504816): move this to compos APEX
type compos, domain, coredomain, microdroid_payload;
type compos_exec, exec_type, file_type, system_file_type;

# Expose RPC Binder service over vsock
allow compos self:vsock_socket { create_socket_perms_no_ioctl listen accept };

# Allow using various binder services
binder_use(compos);
allow compos authfs_binder_service:service_manager find;
binder_call(compos, authfs_service);

# Read artifacts created by odrefresh and create signature files.
allow compos authfs_fuse:dir rw_dir_perms;
allow compos authfs_fuse:file create_file_perms;

# Allow locating the authfs mount directory.
allow compos authfs_data_file:dir search;

# Run derive_classpath in our domain
allow compos derive_classpath_exec:file rx_file_perms;
allow compos apex_mnt_dir:dir r_dir_perms;
# Ignore harmless denials on /proc/self/fd
dontaudit compos self:dir write;
# See b/35323867#comment3
dontaudit compos self:global_capability_class_set dac_override;

# Allow running odrefresh in its own domain
domain_auto_trans(compos, odrefresh_exec, odrefresh)

# Allow running compos_key_helper in its own domain
domain_auto_trans(compos, compos_key_helper_exec, compos_key_helper)
# And killing it on error
allow compos compos_key_helper:process sigkill;