## <module name="authlogin" layer="system">

## <summary>Common policy for authentication and user login.</summary>

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

#

# Per user domain template for this module

#

# authlogin_per_userdomain_template(userdomain_prefix)

#

define(`authlogin_per_userdomain_template',`

requires_block_template(`$0'_depend)

type $1_chkpwd_t, can_read_shadow_passwords; # , nscd_client_domain;

domain_make_domain($1_chkpwd_t)

domain_make_entrypoint_file($1_chkpwd_t,chkpwd_exec_t)

role $1_r types $1_chkpwd_t;

role $1_r types system_chkpwd_t;

allow $1_chkpwd_t self:capability setuid;

allow $1_chkpwd_t self:process getattr;

files_read_general_system_config_directory($1_chkpwd_t)

allow $1_chkpwd_t shadow_t:file { getattr read };

# is_selinux_enabled

kernel_read_system_state($1_chkpwd_t)

filesystem_ignore_get_persistent_filesystem_attributes($1_chkpwd_t)

domain_use_widely_inheritable_file_descriptors($1_chkpwd_t)

libraries_use_dynamic_loader($1_chkpwd_t)

libraries_use_shared_libraries($1_chkpwd_t)

files_read_general_system_config($1_chkpwd_t)

# for nscd

files_ignore_search_system_state_data_directory($1_chkpwd_t)

logging_send_system_log_message($1_chkpwd_t)

miscfiles_read_localization($1_chkpwd_t)

selinux_read_config($1_chkpwd_t)

#can_ypbind($1_chkpwd_t)

#can_kerberos($1_chkpwd_t)

#can_ldap($1_chkpwd_t)

# Transition from the user domain to this domain.

allow $1_t chkpwd_exec_t:file { getattr read execute };

allow $1_t $1_chkpwd_t:process transition;

type_transition $1_t chkpwd_exec_t:process $1_chkpwd_t;

allow $1_chkpwd_t $1_t:fd use;

allow $1_t $1_chkpwd_t:fd use;

allow $1_chkpwd_t $1_t:fifo_file rw_file_perms;

allow $1_chkpwd_t $1_t:process sigchld;

# Write to the user domain tty.

#userdomain_use_$1_terminal($1_chkpwd_t)

#userdomain_use_$1_pty($1_chkpwd_t)

# Inherit and use descriptors from gnome-pty-helper.

#ifdef(`gnome-pty-helper.te',`allow $1_chkpwd_t $1_gph_t:fd use;')

tunable_policy(`use_dns',`

allow $1_chkpwd_t self:udp_socket { create ioctl read getattr write setattr append bind getopt setopt shutdown connect };

corenetwork_network_udp_on_all_interfaces($1_chkpwd_t)

corenetwork_network_raw_on_all_interfaces($1_chkpwd_t)

corenetwork_network_udp_on_all_nodes($1_chkpwd_t)

corenetwork_network_raw_on_all_nodes($1_chkpwd_t)

corenetwork_bind_udp_on_all_nodes($1_chkpwd_t)

corenetwork_network_udp_on_dns_port($1_chkpwd_t)

sysnetwork_read_network_config($1_chkpwd_t)

')

optional_policy(`selinux.te',`

selinux_newrole_use_file_descriptors($1_chkpwd_t)

')

') dnl end authlogin_per_userdomain_template

define(`authlogin_per_userdomain_template_depend',`

attribute can_read_shadow_passwords;

type chkpwd_exec_t, system_chkpwd_t, shadow_t;

class file { getattr read execute };

class process { getattr transition sigchld };

class capability setuid;

class unix_stream_socket { create read getattr write setattr append bind connect getopt setopt shutdown };

class unix_dgram_socket { create read getattr write setattr append bind connect getopt setopt shutdown };

class fd use;

class fifo_file rw_file_perms;

')

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

#

# authlogin_make_login_program_entrypoint(domain)

#

define(`authlogin_make_login_program_entrypoint',`

requires_block_template(`$0'_depend)

domain_make_entrypoint_file($1,login_exec_t)

')

define(`authlogin_make_login_program_entrypoint_depend',`

type login_exec_t;

domain_make_entrypoint_file_depend

')

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

## <interface name="authlogin_login_program_transition">

##	<description>

##		Execute a login_program in the target domain.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<parameter name="target_domain">

##		The type of the login_program process.

##	</parameter>

##	<infoflow type="write" weight="10"/>

## </interface>

#

define(`authlogin_login_program_transition',`

requires_block_template(`$0'_depend)

# FIXME: search bin_t

allow $1 login_exec_t:file { getattr read execute };

allow $1 $2:process transition;

type_transition $1 login_exec_t:process $2;

dontaudit $1 $2:process { noatsecure siginh rlimitinh };

allow $1 $2:fd use;

allow $2 $1:fd use;

allow $2 $1:fifo_file rw_file_perms;

allow $2 $1:process sigchld;

')

define(`authlogin_login_program_transition_depend',`

type login_exec_t;

class file { getattr read execute };

class process { transition noatsecure siginh rlimitinh sigchld };

class fd use;

class fifo_file rw_file_perms;

')

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

#

# authlogin_check_password_transition(domain)

#

define(`authlogin_check_password_transition',`

requires_block_template(`$0'_depend)

allow $1 chkpwd_exec_t:file { getattr read execute };

allow $1 system_chkpwd_t:process transition;

type_transition $1 chkpwd_exec_t:process system_chkpwd_t;

allow $1 system_chkpwd_t:fd use;

allow system_chkpwd_t $1:fd use;

allow system_chkpwd_t $1:fifo_file rw_file_perms;

allow system_chkpwd_t $1:process sigchld;

dontaudit $1 shadow_t:file { getattr read };

#allow $1_t sbin_t:dir search;

#can_ypbind($1_t)

#can_kerberos($1_t)

#can_ldap($1_t)

tunable_policy(`use_dns',`

allow $1 self:udp_socket { create ioctl read getattr write setattr append bind getopt setopt shutdown connect };

corenetwork_network_udp_on_all_interfaces($1)

corenetwork_network_raw_on_all_interfaces($1)

corenetwork_network_udp_on_all_nodes($1)

corenetwork_network_raw_on_all_nodes($1)

corenetwork_bind_udp_on_all_nodes($1)

corenetwork_network_udp_on_dns_port($1)

sysnetwork_read_network_config($1)

') dnl end use_dns

') dnl end check_password_transition

define(`authlogin_check_password_transition_depend',`

type system_chkpwd_t, chkpwd_exec_t, shadow_t;

class file { getattr read execute };

class process { transition sigchld };

class udp_socket { create ioctl read getattr write setattr append bind getopt setopt shutdown connect };

class fd use;

class fifo_file rw_file_perms;

')

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

#

# authlogin_ignore_get_shadow_passwords_attributes(domain)

#

define(`authlogin_ignore_get_shadow_passwords_attributes',`

requires_block_template(`$0'_depend)

dontaudit $1 shadow_t:file getattr;

')

define(`authlogin_ignore_get_shadow_passwords_attributes_depend',`

type shadow_t;

class file getattr;

')

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

#

# authlogin_read_shadow_passwords(domain)

#

define(`authlogin_read_shadow_passwords',`

requires_block_template(`$0'_depend)

files_read_general_system_config_directory($1)

allow $1 shadow_t:file { getattr read };

typeattribute $1 can_read_shadow_passwords;

')

define(`authlogin_read_shadow_passwords_depend',`

attribute can_read_shadow_passwords;

type shadow_t;

class file { getattr read };

')

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

#

# authlogin_ignore_read_shadow_passwords(domain)

#

define(`authlogin_ignore_read_shadow_passwords',`

requires_block_template(`$0'_depend)

dontaudit $1 shadow_t:file { getattr read };

')

define(`authlogin_ignore_read_shadow_passwords_depend',`

type shadow_t;

class file { getattr read };

')

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

#

# authlogin_modify_shadow_passwords(domain)

#

define(`authlogin_modify_shadow_passwords',`

requires_block_template(`$0'_depend)

files_read_general_system_config_directory($1)

allow $1 shadow_t:file { getattr read write };

typeattribute $1 can_read_shadow_passwords;

typeattribute $1 can_write_shadow_passwords;

')

define(`authlogin_modify_shadow_passwords_depend',`

attribute can_read_shadow_passwords;

attribute can_write_shadow_passwords;

type shadow_t;

class file { getattr read write };

')

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

#

# authlogin_manage_shadow_passwords(domain)

#

define(`authlogin_manage_shadow_passwords',`

requires_block_template(`$0'_depend)

files_create_private_config($1,shadow_t,file)

allow $1 shadow_t:file { create ioctl read getattr lock write setattr append link unlink rename };

typeattribute $1 can_read_shadow_passwords;

typeattribute $1 can_write_shadow_passwords;

')

define(`authlogin_manage_shadow_passwords_depend',`

attribute can_read_shadow_passwords;

attribute can_write_shadow_passwords;

type shadow_t;

class file { create ioctl read getattr lock write setattr append link unlink rename };

')

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

#

# authlogin_relabel_to_shadow_passwords(domain)

#

define(`authlogin_relabel_to_shadow_passwords',`

requires_block_template(`$0'_depend)

files_search_general_system_config_directory($1)

allow $1 shadow_t:file relabelto;

typeattribute $1 can_relabelto_shadow_passwords;

')

define(`authlogin_relabel_to_shadow_passwords_depend',`

attribute can_relabelto_shadow_passwords;

type shadow_t;

class file relabelto;

')

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

#

# authlogin_modify_login_failure_records(domain)

#

define(`authlogin_modify_login_failure_records',`

requires_block_template(`$0'_depend)

logging_search_system_log_directory($1)

allow $1 faillog_t:file { read write append };

')

define(`authlogin_modify_login_failure_records_depend',`

type faillog_t;

class file { read write append };

')

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

#

# authlogin_modify_last_login_log(domain)

#

define(`authlogin_modify_last_login_log',`

requires_block_template(`$0'_depend)

logging_search_system_log_directory($1)

allow $1 lastlog_t:file { getattr read write setattr };

')

define(`authlogin_modify_last_login_log_depend',`

type lastlog_t;

class file { getattr read write setattr };

')

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

## <interface name="authlogin_pam_transition">

##	<description>

##		Execute pam programs in the pam domain.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="write" weight="10"/>

## </interface>

#

define(`authlogin_pam_transition',`

requires_block_template(`$0'_depend)

allow $1 pam_exec_t:file { getattr read execute };

allow $1 pam_t:process transition;

type_transition $1 pam_exec_t:process pam_t;

dontaudit $1 pam_t:process { noatsecure siginh rlimitinh };

allow $1 pam_t:fd use;

allow pam_t $1:fd use;

allow pam_t $1:fifo_file rw_file_perms;

allow pam_t $1:process sigchld;

')

define(`authlogin_pam_transition_depend',`

type pam_t, pam_exec_t;

class file { getattr read execute };

class process { transition noatsecure siginh rlimitinh sigchld };

class fd

class fifo_file rw_file_perms;

')

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

## <interface name="authlogin_pam_transition_add_role_use_terminal">

##	<description>

##		Execute pam programs in the PAM domain.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<parameter name="role">

##		The role to allow the PAM domain.

##	</parameter>

##	<parameter name="terminal">

##		The type of the terminal allow the PAM domain to use.

##	</parameter>

##	<infoflow type="both" weight="10"/>

## </interface>

#

define(`authlogin_pam_transition_add_role_use_terminal',`

requires_block_template(`$0'_depend)

authlogin_pam_transition($1)

role $2 types pam_t;

allow pam_t $3:chr_file { getattr read write ioctl };

')

define(`authlogin_pam_transition_add_role_use_terminal_depend',`

type pam_t;

class chr_file { getattr read write ioctl };

')

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

#

# authlogin_pam_execute(domain)

#

define(`authlogin_pam_execute',`

requires_block_template(`$0'_depend)

allow $1 pam_exec_t:file { getattr read execute execute_no_trans };

')

define(`authlogin_pam_execute_depend',`

type pam_exec_t;

class file { getattr read execute execute_no_trans };

')

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

#

# authlogin_pam_read_runtime_data(domain)

#

define(`authlogin_pam_read_runtime_data',`

requires_block_template(`$0'_depend)

files_search_system_state_data_directory($1)

files_search_runtime_data_directory($1)

allow $1 pam_var_run_t:dir { getattr search read };

allow $1 pam_var_run_t:file { getattr read };

')

define(`authlogin_pam_read_runtime_data_depend',`

type pam_var_run_t;

class dir { getattr search read };

class file { getattr read };

')

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

#

# authlogin_pam_remove_runtime_data(domain)

#

define(`authlogin_pam_remove_runtime_data',`

requires_block_template(`$0'_depend)

files_search_system_state_data_directory($1)

files_search_runtime_data_directory($1)

allow $1 pam_var_run_t:dir { getattr search read write remove_name };

allow $1 pam_var_run_t:file { getattr unlink };

')

define(`authlogin_pam_remove_runtime_data_depend',`

type pam_var_run_t;

class dir { getattr search read write remove_name };

class file { getattr unlink };

')

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

#

# authlogin_pam_console_transition(domain)

#

define(`authlogin_pam_console_transition',`

requires_block_template(`$0'_depend)

allow $1 pam_console_exec_t:file { getattr read execute };

allow $1 pam_console_t:process transition;

type_transition $1 pam_console_exec_t:process pam_console_t;

dontaudit $1 pam_console_t:process { noatsecure siginh rlimitinh };

allow $1 pam_console_t:fd use;

allow pam_console_t $1:fd use;

allow pam_console_t $1:fifo_file rw_file_perms;

allow pam_console_t $1:process sigchld;

')

define(`authlogin_pam_console_transition_depend',`

type pam_console_t, pam_console_exec_t;

class file { getattr read execute };

class process { transition noatsecure siginh rlimitinh sigchld };

class fd use;

class fifo_file rw_file_perms;

')

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

#

# authlogin_pam_console_read_runtime_data_dir(domain)

#

define(`authlogin_pam_console_read_runtime_data_dir',`

requires_block_template(`$0'_depend)

files_search_system_state_data_directory($1)

files_search_runtime_data_directory($1)

allow $1 pam_var_console_t:dir { getattr search read };

')

define(`authlogin_pam_console_read_runtime_data_dir_depend',`

type pam_var_console_t;

class dir { getattr search read };

')

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

#

# authlogin_pam_console_read_runtime_data(domain)

#

define(`authlogin_pam_console_read_runtime_data',`

requires_block_template(`$0'_depend)

files_search_system_state_data_directory($1)

files_search_runtime_data_directory($1)

allow $1 pam_var_console_t:dir { getattr search read };

allow $1 pam_var_console_t:file { getattr read };

')

define(`authlogin_pam_console_read_runtime_data_depend',`

type pam_var_console_t;

class dir { getattr search read };

class file { getattr read };

')

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

#

# authlogin_pam_console_manage_runtime_data(domain)

#

define(`authlogin_pam_console_manage_runtime_data',`

requires_block_template(`$0'_depend)

files_search_system_state_data_directory($1)

files_search_runtime_data_directory($1)

allow $1 pam_var_console_t:dir { read getattr lock search ioctl add_name remove_name write };

allow $1 pam_var_console_t:file { create ioctl read getattr lock write setattr append link unlink rename };

allow $1 pam_var_console_t:lnk_file { create read getattr setattr link unlink rename };

')

define(`authlogin_pam_console_manage_runtime_data_depend',`

type pam_var_console_t;

class dir { read getattr lock search ioctl add_name remove_name write };

class file { create ioctl read getattr lock write setattr append link unlink rename };

class lnk_file { create read getattr setattr link unlink rename };

')

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

## <interface name="authlogin_relabel_all_files_except_shadow">

##	<description>

##		Relabel all files on the filesystem, except

##		the shadow passwords and listed exceptions.

##	</description>

##	<parameter name="domain">

##		The type of the domain perfoming this action.

##	</parameter>

##	<parameter name="exception_types" optional="true">

##		The types to be excluded.  Each type or attribute

##		must be negated by the caller.

##	</parameter>

##	<infoflow type="both" weight="10"/>

## </interface>

#

define(`authlogin_relabel_all_files_except_shadow',`

requires_block_template(`$0'_depend)

files_relabel_all_files($1,$2 -shadow_t)

')

define(`authlogin_relabel_all_files_except_shadow_depend',`

type shadow_t;

')

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

## <interface name="authlogin_manage_all_files_except_shadow">

##	<description>

##		Manage all files on the filesystem, except

##		the shadow passwords and listed exceptions.

##	</description>

##	<parameter name="domain">

##		The type of the domain perfoming this action.

##	</parameter>

##	<parameter name="exception_types" optional="true">

##		The types to be excluded.  Each type or attribute

##		must be negated by the caller.

##	</parameter>

##	<infoflow type="both" weight="10"/>

## </interface>

#

define(`authlogin_manage_all_files_except_shadow',`

requires_block_template(`$0'_depend)

files_manage_all_files($1,$2 -shadow_t)

')

define(`authlogin_manage_all_files_except_shadow_depend',`

type shadow_t;

')

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

## <interface name="authlogin_utempter_transition">

##	<description>

##		Execute utempter programs in the utempter domain.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<infoflow type="write" weight="10"/>

## </interface>

#

define(`authlogin_utempter_transition',`

requires_block_template(`$0'_depend)

allow $1 utempter_exec_t:file { getattr read execute };

allow $1 utempter_t:process transition;

type_transition $1 utempter_exec_t:process utempter_t;

dontaudit $1 utempter_t:process { noatsecure siginh rlimitinh };

allow $1 utempter_t:fd use;

allow utempter_t $1:fd use;

allow utempter_t $1:fifo_file rw_file_perms;

allow utempter_t $1:process sigchld;

')

define(`authlogin_utempter_transition_depend',`

type utempter_t, utempter_exec_t;

class file { getattr read execute };

class process { transition noatsecure siginh rlimitinh sigchld };

class fd use;

class fifo_file rw_file_perms;

')

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

## <interface name="authlogin_utempter_transition_add_role_use_terminal">

##	<description>

##		Execute utempter programs in the utempter domain.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<parameter name="role">

##		The role to allow the utempter domain.

##	</parameter>

##	<parameter name="terminal">

##		The type of the terminal allow the utempter domain to use.

##	</parameter>

##	<infoflow type="both" weight="10"/>

## </interface>

#

define(`authlogin_utempter_transition_add_role_use_terminal',`

requires_block_template(`$0'_depend)

authlogin_utempter_transition($1)

role $2 types utempter_t;

allow utempter_t $3:chr_file { getattr read write ioctl };

')

define(`authlogin_utempter_transition_add_role_use_terminal_depend',`

type utempter_t;

class chr_file { getattr read write ioctl };

')

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

#

# authlogin_read_login_records(domain)

#

define(`authlogin_read_login_records',`

requires_block_template(`$0'_depend)

logging_search_system_log_directory($1)

allow $1 wtmp_t:file { getattr read };

')

define(`authlogin_read_login_records_depend',`

type wtmp_t;

class file { getattr read };

')

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

#

# authlogin_ignore_write_login_records(domain)

#

define(`authlogin_ignore_write_login_records',`

requires_block_template(`$0'_depend)

dontaudit $1 wtmp_t:file write;

')

define(`authlogin_read_login_records_depend',`

type wtmp_t;

class file write;

')

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

#

# authlogin_modify_login_records(domain)

#

define(`authlogin_modify_login_records',`

requires_block_template(`$0'_depend)

logging_search_system_log_directory($1)

allow $1 wtmp_t:file { getattr read write append setattr lock };

')

define(`authlogin_modify_login_records_depend',`

type wtmp_t;

class file { getattr read write append setattr lock };

')

## </module>