# Copyright (C) 2005 Tresys Technology, LLC

policy_module(authlogin,1.0)

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

#

# Declarations

#

type chkpwd_exec_t;

authlogin_per_userdomain_template(system)

domain_make_entrypoint_file(system_chkpwd_t,chkpwd_exec_t)

type faillog_t;

logging_make_log_file(faillog_t)

type lastlog_t;

logging_make_log_file(lastlog_t)

type login_exec_t;

files_make_file(login_exec_t)

type pam_console_t;

type pam_console_exec_t;

domain_make_daemon_domain(pam_console_t,pam_console_exec_t)

role system_r types pam_console_t;

domain_make_entrypoint_file(pam_console_t,pam_console_exec_t)

type pam_t; #, nscd_client_domain;

domain_make_domain(pam_t)

role system_r types pam_t;

type pam_exec_t;

domain_make_entrypoint_file(pam_t,pam_exec_t)

type pam_tmp_t;

files_make_file(pam_tmp_t)

type pam_var_console_t; #, nscd_client_domain

files_make_file(pam_var_console_t)

type pam_var_run_t;

files_make_file(pam_var_run_t)

type shadow_t;

files_make_file(shadow_t)

attribute can_read_shadow_passwords;

attribute can_write_shadow_passwords;

neverallow ~can_read_shadow_passwords shadow_t:file read;

neverallow ~can_write_shadow_passwords shadow_t:file write;

type utempter_t; #, nscd_client_domain;

domain_make_domain(utempter_t)

type utempter_exec_t;

domain_make_entrypoint_file(utempter_t,utempter_exec_t)

type wtmp_t;

logging_make_log_file(wtmp_t)

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

#

# PAM local policy

#

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

dontaudit pam_t self:capability sys_tty_config;

allow pam_t self:fd use;

allow pam_t self:fifo_file { read getattr lock ioctl write append };

allow pam_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown };

allow pam_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };

allow pam_t self:unix_dgram_socket sendto;

allow pam_t self:unix_stream_socket connectto;

allow pam_t self:shm { associate getattr setattr create destroy read write lock unix_read unix_write };

allow pam_t self:sem { associate getattr setattr create destroy read write unix_read unix_write };

allow pam_t self:msgq { associate getattr setattr create destroy read write enqueue unix_read unix_write };

allow pam_t self:msg { send receive };

allow pam_t pam_var_run_t:dir { search getattr read write remove_name };

allow pam_t pam_var_run_t:file { getattr read unlink };

allow pam_t pam_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };

allow pam_t pam_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename };

files_create_private_tmp_data(pam_t, pam_tmp_t, { file dir })

kernel_read_system_state(pam_t)

terminal_use_controlling_terminal(pam_t)

terminal_use_all_users_physical_terminals(pam_t)

terminal_use_all_users_pseudoterminals(pam_t)

init_script_ignore_modify_runtime_data(pam_t)

files_read_general_system_config(pam_t)

files_read_runtime_data_directory(pam_t)

libraries_use_dynamic_loader(pam_t)

libraries_read_shared_libraries(pam_t)

logging_send_system_log_message(pam_t)

optional_policy(`locallogin.te',`

locallogin_use_file_descriptors(pam_t)

')

ifdef(`TODO',`

allow pam_t unpriv_userdomain:fd use;

can_ypbind(pam_t)

ifdef(`automount.te', `

allow pam_t autofs_t:dir { search getattr };

')

in_user_role(pam_t)

domain_auto_trans(userdomain, pam_exec_t, pam_t)

ifdef(`gnome-pty-helper.te', `allow pam_t gphdomain:fd use;')

') dnl endif TODO

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

#

# PAM console local policy

#

allow pam_console_t self:capability { chown fowner fsetid };

dontaudit pam_console_t self:capability sys_tty_config;

allow pam_console_t self:process { sigchld sigkill sigstop signull signal };

# for /var/run/console.lock checking

allow pam_console_t pam_var_console_t:dir { getattr read search };

allow pam_console_t pam_var_console_t:file { read getattr };

allow pam_console_t pam_var_console_t:lnk_file { getattr read };

kernel_read_kernel_sysctl(pam_console_t)

kernel_read_system_state(pam_console_t)

kernel_read_hardware_state(pam_console_t)

kernel_use_file_descriptors(pam_console_t)

devices_discard_data_stream(pam_console_t)

# Allow to set attributes on /dev entries

storage_get_fixed_disk_attributes(pam_console_t)

storage_set_fixed_disk_attributes(pam_console_t)

storage_get_removable_device_attributes(pam_console_t)

storage_set_removable_device_attributes(pam_console_t)

terminal_use_console(pam_console_t)

init_use_file_descriptors(pam_console_t)

init_use_file_descriptors(pam_console_t)

init_script_use_pseudoterminal(pam_console_t)

domain_use_widely_inheritable_file_descriptors(pam_console_t)

files_read_general_system_config(pam_console_t)

files_search_runtime_data_directory(pam_console_t)

libraries_use_dynamic_loader(pam_console_t)

libraries_read_shared_libraries(pam_console_t)

logging_send_system_log_message(pam_console_t)

selinux_read_file_contexts(pam_console_t)

tunable_policy(`direct_sysadm_daemon', `

dontaudit pam_console_t admin_tty_type:chr_file rw_file_perms;

')

tunable_policy(`targeted_policy', `

terminal_ignore_use_general_physical_terminal(pam_console_t)

terminal_ignore_use_general_pseudoterminal(pam_console_t)

files_ignore_read_rootfs_file(pam_console_t)

')

optional_policy(`selinux.te',`

selinux_newrole_sigchld(pam_console_t)

')

optional_policy(`udev.te', `

udev_read_database(pam_console_t)

')

ifdef(`TODO',`

optional_policy(`rhgb.te', `

allow pam_console_t rhgb_t:process sigchld;

allow pam_console_t rhgb_t:fd use;

allow pam_console_t rhgb_t:fifo_file { read write };

')

allow pam_console_t null_device_t:chr_file r_file_perms;

dontaudit pam_console_t unpriv_userdomain:fd use;

allow pam_console_t autofs_t:dir { search getattr };

allow pam_console_t { 

framebuf_device_t

v4l_device_t

apm_bios_t

sound_device_t

misc_device_t

tty_device_t

scanner_device_t

mouse_device_t

power_device_t

removable_device_t

scsi_generic_device_t

}:chr_file { getattr setattr };

allow pam_console_t mnt_t:dir r_dir_perms;

ifdef(`gpm.te', `

allow pam_console_t gpmctl_t:sock_file { getattr setattr };

')

optional_policy(`hotplug.te', `

dontaudit pam_console_t hotplug_etc_t:dir search;

hotplug_use_file_descriptors(pam_console_t)

')

ifdef(`xdm.te', `

allow pam_console_t xdm_var_run_t:file { getattr read };

')

allow initrc_t pam_var_console_t:dir r_dir_perms;

') dnl endif TODO

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

#

# Utempter local policy

#

allow utempter_t self:capability setgid;

allow utempter_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };

allow utempter_t wtmp_t:file { ioctl read getattr lock write append };

terminal_get_all_users_physical_terminal_attributes(utempter_t)

terminal_get_all_users_pseudoterminal_attributes(utempter_t)

terminal_ignore_use_all_users_physical_terminals(utempter_t)

terminal_ignore_use_all_users_pseudoterminals(utempter_t)

init_script_modify_runtime_data(utempter_t)

files_read_general_system_config(utempter_t)

domain_use_widely_inheritable_file_descriptors(utempter_t)

libraries_use_dynamic_loader(utempter_t)

libraries_read_shared_libraries(utempter_t)

logging_search_system_log_directory(utempter_t)

ifdef(`TODO',`

in_user_role(utempter_t)

role sysadm_r types utempter_t;

domain_auto_trans(userdomain, utempter_exec_t, utempter_t)

# dontaudit access to /dev/ptmx.

dontaudit utempter_t ptmx_t:chr_file rw_file_perms;

# Allow utemper to write to /tmp/.xses-*

allow utempter_t user_tmpfile:file { getattr write append };

ifdef(`xdm.te', `

allow utempter_t xdm_t:fd use;

allow utempter_t xdm_t:fifo_file { write getattr };

')

') dnl endif TODO