selinux-policy/refpolicy/policy/modules/system/getty.te

# Copyright (C) 2005 Tresys Technology, LLC

policy_module(getty,1.0)

type getty_t;
type getty_exec_t;
domain_make_init_domain(getty_t,getty_exec_t)
domain_make_file_descriptors_widely_inheritable(getty_t)

type getty_etc_t;
typealias getty_etc_t alias etc_getty_t;

type getty_log_t;
logging_make_log_file(getty_log_t)

type getty_tmp_t;
files_make_temporary_file(getty_tmp_t)

########################################
#
# Getty local policy
#

# Use capabilities.
allow getty_t self:capability { dac_override chown sys_resource sys_tty_config };
# fbgetty needs fsetid for some reason
#allow getty_t self:capability fsetid;

allow getty_t self:process { getpgid getsession };

allow getty_t getty_etc_t:dir { getattr search read };
allow getty_t getty_etc_t:file { getattr read };

allow getty_t getty_tmp_t:file { getattr create read setattr write setattr unlink };
allow getty_t getty_tmp_t:dir { getattr search create read setattr write setattr unlink rmdir };
allow getty_t getty_log_t:file { getattr append setattr };

kernel_read_hardware_state(getty_t)

# for error condition handling
filesystem_get_persistent_filesystem_attributes(getty_t)

# Chown, chmod, read and write ttys.
terminal_use_all_terminals(getty_t)
terminal_set_console_attributes(getty_t)

init_script_use_pseudoterminal(getty_t)

files_modify_system_runtime_data(getty_t)
files_create_private_config(getty_t,getty_etc_t,{ file dir })
files_create_private_tmp_data(getty_t,getty_tmp_t,{ file dir })
files_manage_system_lock_files(getty_t)
files_read_runtime_system_config(getty_t)
files_read_general_system_config(getty_t)

authlogin_modify_login_records(getty_t)

locallogin_transition(getty_t)

logging_send_system_log_message(getty_t)

miscfiles_read_localization(getty_t)

# TODO: to allow w to display everyone...
#bool user_ttyfile_stat false;
#if (user_ttyfile_stat) {
#allow userdomain ttyfile:chr_file getattr;
#}