policy_module(locallogin,1.0)

########################################

#

# Declarations

#

type local_login_t; #, nscd_client_domain;

kernel_make_object_identity_change_constraint_exception(local_login_t)

kernel_make_process_identity_change_constraint_exception(local_login_t)

kernel_make_role_change_constraint_exception(local_login_t)

authlogin_make_login_program_entrypoint(local_login_t)

domain_make_domain(local_login_t)

domain_make_file_descriptors_widely_inheritable(local_login_t)

role system_r types local_login_t;

type local_login_tmp_t;

files_make_file(local_login_tmp_t)

type sulogin_t;

type sulogin_exec_t;

kernel_make_object_identity_change_constraint_exception(sulogin_t)

kernel_make_process_identity_change_constraint_exception(sulogin_t)

kernel_make_role_change_constraint_exception(sulogin_t)

domain_make_file_descriptors_widely_inheritable(sulogin_t)

init_make_init_domain(sulogin_t,sulogin_exec_t)

init_make_system_domain(sulogin_t,sulogin_exec_t)

role system_r types sulogin_t;

########################################

#

# Local login local policy

#

allow local_login_t self:capability { dac_override chown fowner fsetid kill setgid setuid net_bind_service sys_nice sys_resource sys_tty_config };

allow local_login_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition };

allow local_login_t self:process { setrlimit setexec };

allow local_login_t self:fd use;

allow local_login_t self:fifo_file rw_file_perms;

allow local_login_t self:unix_dgram_socket create_socket_perms;

allow local_login_t self:unix_stream_socket create_stream_socket_perms;

allow local_login_t self:unix_dgram_socket sendto;

allow local_login_t self:unix_stream_socket connectto;

allow local_login_t self:shm create_shm_perms;

allow local_login_t self:sem create_sem_perms;

allow local_login_t self:msgq create_msgq_perms;

allow local_login_t self:msg { send receive };

allow local_login_t local_login_tmp_t:dir create_dir_perms;

allow local_login_t local_login_tmp_t:file create_file_perms;

files_create_private_tmp_data(local_login_t, local_login_tmp_t, { file dir })

kernel_read_system_state(local_login_t)

kernel_read_kernel_sysctl(local_login_t)

kernel_get_selinuxfs_mount_point(local_login_t)

kernel_validate_selinux_context(local_login_t)

kernel_compute_selinux_access_vector(local_login_t)

kernel_compute_selinux_create_context(local_login_t)

kernel_compute_selinux_relabel_context(local_login_t)

kernel_compute_selinux_reachable_user_contexts(local_login_t)

# for SSP/ProPolice

devices_get_pseudorandom_data(local_login_t)

terminal_use_all_private_physical_terminals(local_login_t)

terminal_use_general_physical_terminal(local_login_t)

terminal_relabel_general_physical_terminal(local_login_t)

terminal_relabel_all_private_physical_terminals(local_login_t)

terminal_set_all_private_physical_terminal_attributes(local_login_t)

terminal_set_general_physical_terminal_attributes(local_login_t)

authlogin_check_password_transition(local_login_t)

authlogin_ignore_read_shadow_passwords(local_login_t)

authlogin_modify_login_records(local_login_t)

authlogin_modify_last_login_log(local_login_t)

authlogin_modify_login_failure_records(local_login_t)

authlogin_pam_execute(local_login_t)

authlogin_pam_console_manage_runtime_data(local_login_t)

domain_read_all_entrypoint_programs(local_login_t)

files_read_general_system_config(local_login_t)

files_read_runtime_system_config(local_login_t)

files_read_general_application_resources(local_login_t)

files_manage_system_lock_files(var_lock_t)

init_script_modify_runtime_data(local_login_t)

init_ignore_use_file_descriptors(local_login_t)

libraries_use_dynamic_loader(local_login_t)

libraries_use_shared_libraries(local_login_t)

logging_send_system_log_message(local_login_t)

miscfiles_read_localization(local_login_t)

selinux_read_config(local_login_t)

selinux_read_default_contexts(local_login_t)

userdomain_all_users_explicit_transition(local_login_t)

userdomain_signal_all_userdomains(local_login_t)

userdomain_search_all_users_home_dirs(local_login_t)

userdomain_use_all_unprivileged_users_file_descriptors(local_login_t)

# Search for mail spool file.

mta_get_mail_spool_attributes(local_login_t)

# Red Hat systems seem to have a stray

# fd open from the initrd

optional_policy(`distro_redhat',`

	kernel_ignore_use_file_descriptors(local_login_t)

	files_ignore_read_rootfs_file(local_login_t)

')

ifdef(`TODO',`

can_ypbind(local_login_t)

ifdef(`automount.te', `

	allow local_login_t autofs_t:dir { search getattr };

')

allow local_login_t bin_t:dir r_dir_perms;

allow local_login_t bin_t:notdevfile_class_set r_file_perms;

allow local_login_t sbin_t:dir r_dir_perms;

allow local_login_t sbin_t:notdevfile_class_set r_file_perms;

if (read_default_t) {

	allow local_login_t default_t:dir r_dir_perms;

	allow local_login_t default_t:notdevfile_class_set r_file_perms;

}

# Read directories and files with the readable_t type.

# This type is a general type for "world"-readable files.

allow local_login_t readable_t:dir r_dir_perms;

allow local_login_t readable_t:notdevfile_class_set r_file_perms;

# for when /var/mail is a sym-link

allow local_login_t var_t:lnk_file read;

dontaudit local_login_t sysfs_t:dir search;

allow local_login_t autofs_t:dir r_dir_perms;

allow local_login_t mnt_t:dir r_dir_perms;

# FIXME: what is this for?

optional_policy(`xdm.te', `

	allow xdm_t local_login_t:process signull;

')

ifdef(`crack.te', `

	allow local_login_t crack_db_t:file r_file_perms;

')

allow local_login_t mouse_device_t:chr_file { getattr setattr };

ifdef(`targeted_policy',`

	unconfined_domain(local_login_t)

	domain_auto_trans(local_login_t, shell_exec_t, unconfined_t)

')

# Do not audit denied attempts to access devices.

dontaudit local_login_t fixed_disk_device_t:blk_file { getattr setattr };

dontaudit local_login_t removable_device_t:blk_file { getattr setattr };

dontaudit local_login_t device_t:{ chr_file blk_file lnk_file } { getattr setattr };

dontaudit local_login_t misc_device_t:{ chr_file blk_file } { getattr setattr };

dontaudit local_login_t framebuf_device_t:chr_file { getattr setattr read };

dontaudit local_login_t apm_bios_t:chr_file { getattr setattr };

dontaudit local_login_t v4l_device_t:chr_file { getattr setattr read };

dontaudit local_login_t removable_device_t:chr_file { getattr setattr };

dontaudit local_login_t scanner_device_t:chr_file { getattr setattr };

# Do not audit denied attempts to access /mnt.

dontaudit local_login_t mnt_t:dir r_dir_perms;

optional_policy(`gpm.te',`

	allow local_login_t gpmctl_t:sock_file { getattr setattr };

')

# Allow setting of attributes on sound devices.

allow local_login_t sound_device_t:chr_file { getattr setattr };

# Allow setting of attributes on power management devices.

allow local_login_t power_device_t:chr_file { getattr setattr };

#if (use_nfs_home_dirs) {

#r_dir_file(local_login_t, nfs_t)

#}

#if (use_samba_home_dirs) {

#r_dir_file(local_login_t, cifs_t)

#}

') dnl endif TODO

#################################

# 

# Sulogin local policy

#

allow sulogin_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition };

allow sulogin_t self:fd use;

allow sulogin_t self:fifo_file rw_file_perms;

allow sulogin_t self:unix_dgram_socket create_socket_perms;

allow sulogin_t self:unix_stream_socket create_stream_socket_perms;

allow sulogin_t self:unix_dgram_socket sendto;

allow sulogin_t self:unix_stream_socket connectto;

allow sulogin_t self:shm create_shm_perms;

allow sulogin_t self:sem create_sem_perms;

allow sulogin_t self:msgq createmsgq_perms;

allow sulogin_t self:msg { send receive };

kernel_read_system_state(sulogin_t)

init_script_get_process_group(sulogin_t)

files_read_general_system_config(sulogin_t)

# because file systems are not mounted:

files_ignore_search_isid_type_dir(sulogin_t)

libraries_use_dynamic_loader(sulogin_t)

libraries_use_shared_libraries(sulogin_t)

logging_send_system_log_message(sulogin_t)

selinux_read_config(sulogin_t)

selinux_read_default_contexts(sulogin_t)

authlogin_read_shadow_passwords(sulogin_t)

userdomain_sysadm_shell_transition(sulogin_t)

userdomain_use_all_unprivileged_users_file_descriptors(sulogin_t)

# suse and debian do not use pam with sulogin...

ifdef(`monolithic_policy',`

	ifdef(`distro_suse', `define(`sulogin_no_pam')')

	ifdef(`distro_debian', `define(`sulogin_no_pam')')

') dnl end monolithic_policy

ifdef(`sulogin_no_pam', `

	allow sulogin_t self:capability sys_tty_config;

	init_get_process_group(sulogin_t)

', `

	allow sulogin_t self:process setexec;

	kernel_get_selinuxfs_mount_point(sulogin_t)

	kernel_validate_selinux_context(sulogin_t)

	kernel_compute_selinux_access_vector(sulogin_t)

	kernel_compute_selinux_create_context(sulogin_t)

	kernel_compute_selinux_relabel_context(sulogin_t)

	kernel_compute_selinux_reachable_user_contexts(sulogin_t)

')

ifdef(`TODO',`

allow sulogin_t sysadm_devpts_t:chr_file { getattr ioctl read write };

can_ypbind(sulogin_t)

ifdef(`automount.te', `

	allow sulogin_t autofs_t:dir { search getattr };

')

allow sulogin_t { staff_home_dir_t sysadm_home_dir_t }:dir search;

') dnl endif TODO