#DESC Getty - Manage ttys
#
# Authors:  Stephen Smalley <sds@epoch.ncsc.mil> and Timothy Fraser  
# X-Debian-Packages: util-linux fbgetty mingetty mgetty rungetty
#

#################################
#
# Rules for the getty_t domain.
#
init_service_domain(getty, `, privfd')

etcdir_domain(getty)
typealias getty_etc_t alias etc_getty_t;

allow getty_t console_device_t:chr_file setattr;

tmp_domain(getty)
log_domain(getty)

allow getty_t { etc_t etc_runtime_t }:file { getattr read };
allow getty_t etc_t:lnk_file read;
allow getty_t self:process { getpgid getsession };
allow getty_t self:unix_dgram_socket create_socket_perms;
allow getty_t self:unix_stream_socket create_socket_perms;

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

# 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;

read_locale(getty_t)

# Run login in local_login_t domain.
allow getty_t bin_t:dir search;
domain_auto_trans(getty_t, login_exec_t, local_login_t)

# Write to /var/run/utmp.
allow getty_t { var_t var_run_t }:dir search;
allow getty_t initrc_var_run_t:file rw_file_perms;

# Write to /var/log/wtmp.
allow getty_t wtmp_t:file rw_file_perms;

# Chown, chmod, read and write ttys.
allow getty_t tty_device_t:chr_file { setattr rw_file_perms };
allow getty_t ttyfile:chr_file { setattr rw_file_perms };

# for error condition handling
allow getty_t fs_t:filesystem getattr;

rw_dir_create_file(getty_t, var_lock_t)
r_dir_file(getty_t, sysfs_t)