keystore.te


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type keystore, domain;
type keystore_exec, exec_type, file_type;

# keystore daemon
init_daemon_domain(keystore)
typeattribute keystore mlstrustedsubject;
binder_use(keystore)
binder_service(keystore)
allow keystore keystore_data_file:dir create_dir_perms;
allow keystore keystore_data_file:notdevfile_class_set create_file_perms;
allow keystore keystore_exec:file { getattr };
allow keystore tee_device:chr_file rw_file_perms;
allow keystore tee:unix_stream_socket connectto;

allow keystore keystore_service:service_manager { add find };

# Check SELinux permissions.
selinux_check_access(keystore)

###
### Neverallow rules
###
### Protect ourself from others
###

neverallow { domain -keystore -recovery } keystore_data_file:dir ~{ open create read getattr setattr search relabelto ioctl };
neverallow { domain -keystore -recovery } keystore_data_file:notdevfile_class_set ~{ relabelto getattr };

ifelse(shipping_build, `true',
  `neverallow { domain -keystore -init } keystore_data_file:dir *;
   neverallow { domain -keystore -init } keystore_data_file:notdevfile_class_set *;'
,
  `neverallow { domain -keystore -init -recovery } keystore_data_file:dir *;
   neverallow { domain -keystore -init -recovery } keystore_data_file:notdevfile_class_set *;'
)

neverallow domain keystore:process ptrace;