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

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

## <summary>

##	Role access for password authentication.

## </summary>

## <param name="role">

##	<summary>

##	Role allowed access.

##	</summary>

## </param>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_role',`

	gen_require(`

		type chkpwd_t, chkpwd_exec_t, shadow_t;

	')

	role $1 types chkpwd_t;

	# Transition from the user domain to this domain.

	domtrans_pattern($2, chkpwd_exec_t, chkpwd_t)

	ps_process_pattern($2, chkpwd_t)

	dontaudit $2 shadow_t:file read_file_perms;

')

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

## <summary>

##	Use PAM for authentication.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_use_pam',`

	# for SSP/ProPolice

	dev_read_urand($1)

	# for encrypted homedir

	dev_read_sysfs($1)

	auth_domtrans_chk_passwd($1)

	auth_domtrans_upd_passwd($1)

	auth_dontaudit_read_shadow($1)

	auth_read_login_records($1)

	auth_append_login_records($1)

	auth_rw_lastlog($1)

	auth_rw_faillog($1)

	auth_exec_pam($1)

	auth_use_nsswitch($1)

	init_rw_stream_sockets($1)

	logging_send_audit_msgs($1)

	logging_send_syslog_msg($1)

	optional_policy(`

		dbus_system_bus_client($1)

		optional_policy(`

			consolekit_dbus_chat($1)

		')

		optional_policy(`

			fprintd_dbus_chat($1)

		')

	')

	optional_policy(`

		kerberos_manage_host_rcache($1)

		kerberos_read_config($1)

	')

	optional_policy(`

		nis_authenticate($1)

	')

')

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

## <summary>

##	Make the specified domain used for a login program.

## </summary>

## <param name="domain">

##	<summary>

##	Domain type used for a login program domain.

##	</summary>

## </param>

#

interface(`auth_login_pgm_domain',`

	gen_require(`

		type var_auth_t, auth_cache_t;

		attribute polydomain;

	')

	domain_type($1)

	typeattribute $1 polydomain;

	domain_subj_id_change_exemption($1)

	domain_role_change_exemption($1)

	domain_obj_id_change_exemption($1)

	role system_r types $1;

	# Needed for pam_selinux_permit to cleanup properly

	domain_read_all_domains_state($1)

	domain_kill_all_domains($1)

	# pam_keyring

	allow $1 self:capability ipc_lock;

	allow $1 self:process setkeycreate;

	allow $1 self:key manage_key_perms;

	userdom_manage_all_users_keys($1)

	files_list_var_lib($1)

	manage_dirs_pattern($1, var_auth_t, var_auth_t)

	manage_files_pattern($1, var_auth_t, var_auth_t)

	manage_dirs_pattern($1, auth_cache_t, auth_cache_t)

	manage_files_pattern($1, auth_cache_t, auth_cache_t)

	manage_sock_files_pattern($1, auth_cache_t, auth_cache_t)

	files_var_filetrans($1, auth_cache_t, dir)

	# needed for afs - https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=253321

	kernel_rw_afs_state($1)

	# for fingerprint readers

	dev_rw_input_dev($1)

	dev_rw_generic_usb_dev($1)

	files_read_etc_files($1)

	fs_list_auto_mountpoints($1)

	fs_manage_cgroup_dirs($1)

	fs_manage_cgroup_files($1)

	selinux_get_fs_mount($1)

	selinux_validate_context($1)

	selinux_compute_access_vector($1)

	selinux_compute_create_context($1)

	selinux_compute_relabel_context($1)

	selinux_compute_user_contexts($1)

	mls_file_read_all_levels($1)

	mls_file_write_all_levels($1)

	mls_file_upgrade($1)

	mls_file_downgrade($1)

	mls_process_set_level($1)

	mls_fd_share_all_levels($1)

	auth_manage_pam_pid($1)

	auth_use_pam($1)

	init_rw_utmp($1)

	logging_set_loginuid($1)

	logging_set_tty_audit($1)

	seutil_read_config($1)

	seutil_read_default_contexts($1)

	userdom_set_rlimitnh($1)

	userdom_read_user_home_content_symlinks($1)

	userdom_delete_user_tmp_files($1)

	userdom_search_admin_dir($1)

	optional_policy(`

		afs_rw_udp_sockets($1)

	')

	optional_policy(`

		kerberos_read_config($1)

	')

	optional_policy(`

		oddjob_dbus_chat($1)

		oddjob_domtrans_mkhomedir($1)

	')

	optional_policy(`

		corecmd_exec_bin($1)

		storage_getattr_fixed_disk_dev($1)

		mount_domtrans($1)

	')

	optional_policy(`

		fprintd_dbus_chat($1)

	')

	optional_policy(`

		ssh_agent_exec($1)

		ssh_read_user_home_files($1)

		userdom_read_user_home_content_files($1)

	')

')

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

## <summary>

##	Use the login program as an entry point program.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_login_entry_type',`

	gen_require(`

		type login_exec_t;

	')

	domain_entry_file($1, login_exec_t)

')

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

## <summary>

##	Execute a login_program in the target domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

## <param name="target_domain">

##	<summary>

##	The type of the login_program process.

##	</summary>

## </param>

#

interface(`auth_domtrans_login_program',`

	gen_require(`

		type login_exec_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, login_exec_t,$2)

')

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

## <summary>

##	Execute a login_program in the target domain,

##	with a range transition.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

## <param name="target_domain">

##	<summary>

##	The type of the login_program process.

##	</summary>

## </param>

## <param name="range">

##	<summary>

##	Range of the login program.

##	</summary>

## </param>

#

interface(`auth_ranged_domtrans_login_program',`

	gen_require(`

		type login_exec_t;

	')

	auth_domtrans_login_program($1,$2)

	ifdef(`enable_mcs',`

		range_transition $1 login_exec_t:process $3;

	')

	ifdef(`enable_mls',`

		range_transition $1 login_exec_t:process $3;

	')

')

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

## <summary>

##	Search authentication cache

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_search_cache',`

	gen_require(`

		type auth_cache_t;

	')

	allow $1 auth_cache_t:dir search_dir_perms;

')

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

## <summary>

##	Read authentication cache

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_read_cache',`

	gen_require(`

		type auth_cache_t;

	')

	read_files_pattern($1, auth_cache_t, auth_cache_t)

')

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

## <summary>

##	Read/Write authentication cache

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_rw_cache',`

	gen_require(`

		type auth_cache_t;

	')

	rw_files_pattern($1, auth_cache_t, auth_cache_t)

')

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

## <summary>

##	Manage authentication cache

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_manage_cache',`

	gen_require(`

		type auth_cache_t;

	')

	manage_dirs_pattern($1, auth_cache_t, auth_cache_t)

	manage_files_pattern($1, auth_cache_t, auth_cache_t)

')

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

## <summary>

##	Automatic transition from cache_t to cache.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_var_filetrans_cache',`

	gen_require(`

		type auth_cache_t;

	')

	files_var_filetrans($1, auth_cache_t, { file dir } )

')

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

## <summary>

##	Run unix_chkpwd to check a password.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`auth_domtrans_chk_passwd',`

	gen_require(`

		type chkpwd_t, chkpwd_exec_t, shadow_t;

		type auth_cache_t;

	')

	allow $1 auth_cache_t:dir search_dir_perms;

	corecmd_search_bin($1)

	domtrans_pattern($1, chkpwd_exec_t, chkpwd_t)

	dontaudit $1 shadow_t:file read_file_perms;

	dev_read_rand($1)

	dev_read_urand($1)

	auth_use_nsswitch($1)

	auth_rw_faillog($1)

	logging_send_audit_msgs($1)

	miscfiles_read_certs($1)

	optional_policy(`

		kerberos_read_keytab($1)

		kerberos_connect_524($1)

	')

	optional_policy(`

		pcscd_manage_pub_files($1)

		pcscd_manage_pub_pipes($1)

		pcscd_stream_connect($1)

	')

	optional_policy(`

		samba_stream_connect_winbind($1)

	')

	auth_domtrans_upd_passwd($1)

')

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

## <summary>

##	Run unix_chkpwd to check a password.

## 	Stripped down version to be called within boolean

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`auth_domtrans_chkpwd',`

	gen_require(`

		type chkpwd_t, chkpwd_exec_t, shadow_t;

	')

	corecmd_search_bin($1)

	domtrans_pattern($1, chkpwd_exec_t, chkpwd_t)

	dontaudit $1 shadow_t:file { getattr read };

	auth_domtrans_upd_passwd($1)

')

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

## <summary>

##	Execute chkpwd programs in the chkpwd domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	The role to allow the chkpwd domain.

##	</summary>

## </param>

#

interface(`auth_run_chk_passwd',`

	gen_require(`

		type chkpwd_t;

	')

	auth_domtrans_chk_passwd($1)

	role $2 types chkpwd_t;

	auth_run_upd_passwd($1, $2)

')

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

## <summary>

##	Execute a domain transition to run unix_update.

## </summary>

## <param name="domain">

## <summary>

##	Domain allowed to transition.

## </summary>

## </param>

#

interface(`auth_domtrans_upd_passwd',`

	gen_require(`

		type updpwd_t, updpwd_exec_t;

	')

	domtrans_pattern($1, updpwd_exec_t, updpwd_t)

	auth_dontaudit_read_shadow($1)

')

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

## <summary>

##	Execute updpwd programs in the updpwd domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

## <param name="role">

##	<summary>

##	The role to allow the updpwd domain.

##	</summary>

## </param>

#

interface(`auth_run_upd_passwd',`

	gen_require(`

		type updpwd_t;

	')

	auth_domtrans_upd_passwd($1)

	role $2 types updpwd_t;

')

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

## <summary>

##	Get the attributes of the shadow passwords file.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_getattr_shadow',`

	gen_require(`

		type shadow_t;

	')

	files_search_etc($1)

	allow $1 shadow_t:file getattr;

')

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

## <summary>

##	Do not audit attempts to get the attributes

##	of the shadow passwords file.

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`auth_dontaudit_getattr_shadow',`

	gen_require(`

		type shadow_t;

	')

	dontaudit $1 shadow_t:file getattr;

')

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

## <summary>

##	Read the shadow passwords file (/etc/shadow)

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

# cjp: these next three interfaces are split 

# since typeattribute does not work in conditionals

# yet, otherwise they should be one interface.

# 

interface(`auth_read_shadow',`

	auth_can_read_shadow_passwords($1)

	auth_tunable_read_shadow($1)

')

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

## <summary>

##	Pass shadow assertion for reading.

## </summary>

## <desc>

##	

##	Pass shadow assertion for reading.

##	This should only be used with

##	auth_tunable_read_shadow(), and

##	only exists because typeattribute

##	does not work in conditionals.

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_can_read_shadow_passwords',`

	gen_require(`

		attribute can_read_shadow_passwords;

	')

	typeattribute $1 can_read_shadow_passwords;

')

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

## <summary>

##	Read the shadow password file.

## </summary>

## <desc>

##	

##	Read the shadow password file.  This

##	should only be used in a conditional;

##	it does not pass the reading shadow

##	assertion.

##	

## </desc>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_tunable_read_shadow',`

	gen_require(`

		type shadow_t;

	')

	files_list_etc($1)

	allow $1 shadow_t:file read_file_perms;

')

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

## <summary>

##	Do not audit attempts to read the shadow

##	password file (/etc/shadow).

## </summary>

## <param name="domain">

##	<summary>

##	Domain to not audit.

##	</summary>

## </param>

#

interface(`auth_dontaudit_read_shadow',`

	gen_require(`

		type shadow_t;

	')

	dontaudit $1 shadow_t:file read_file_perms;

')

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

## <summary>

##	Read and write the shadow password file (/etc/shadow).

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_rw_shadow',`

	gen_require(`

		attribute can_read_shadow_passwords, can_write_shadow_passwords;

		type shadow_t;

	')

	files_list_etc($1)

	allow $1 shadow_t:file rw_file_perms;

	typeattribute $1 can_read_shadow_passwords, can_write_shadow_passwords;

')

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

## <summary>

##	Create, read, write, and delete the shadow

##	password file.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_manage_shadow',`

	gen_require(`

		attribute can_read_shadow_passwords, can_write_shadow_passwords;

		type shadow_t;

	')

	allow $1 shadow_t:file manage_file_perms;

	typeattribute $1 can_read_shadow_passwords, can_write_shadow_passwords;

')

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

## <summary>

##	Automatic transition from etc to shadow.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_etc_filetrans_shadow',`

	gen_require(`

		type shadow_t;

	')

	files_etc_filetrans($1, shadow_t, file)

')

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

## <summary>

##	Relabel to the shadow

##	password file type.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_relabelto_shadow',`

	gen_require(`

		attribute can_relabelto_shadow_passwords;

		type shadow_t;

	')

	files_search_etc($1)

	allow $1 shadow_t:file relabelto;

	typeattribute $1 can_relabelto_shadow_passwords;

')

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

## <summary>

##	Relabel from and to the shadow

##	password file type.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_relabel_shadow',`

	gen_require(`

		attribute can_relabelto_shadow_passwords;

		type shadow_t;

	')

	files_search_etc($1)

	allow $1 shadow_t:file { relabelfrom relabelto };

	typeattribute $1 can_relabelto_shadow_passwords;

')

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

## <summary>

##	Append to the login failure log.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_append_faillog',`

	gen_require(`

		type faillog_t;

	')

	logging_search_logs($1)

	allow $1 faillog_t:file append_file_perms;

')

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

## <summary>

##	Read and write the login failure log.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_rw_faillog',`

	gen_require(`

		type faillog_t;

	')

	logging_search_logs($1)

	allow $1 faillog_t:file rw_file_perms;

')

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

## <summary>

##	Read the last logins log.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <rolecap/>

#

interface(`auth_read_lastlog',`

	gen_require(`

		type lastlog_t;

	')

	logging_search_logs($1)

	allow $1 lastlog_t:file read_file_perms;

')

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

## <summary>

##	Append only to the last logins log.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_append_lastlog',`

	gen_require(`

		type lastlog_t;

	')

	logging_search_logs($1)

	allow $1 lastlog_t:file { append_file_perms lock };

')

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

## <summary>

##	Read and write to the last logins log.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_rw_lastlog',`

	gen_require(`

		type lastlog_t;

	')

	logging_search_logs($1)

	allow $1 lastlog_t:file { rw_file_perms lock setattr };

')

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

## <summary>

##	Execute pam programs in the pam domain.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed to transition.

##	</summary>

## </param>

#

interface(`auth_domtrans_pam',`

	gen_require(`

		type pam_t, pam_exec_t;

	')

	domtrans_pattern($1, pam_exec_t, pam_t)

')

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

## <summary>

##	Send generic signals to pam processes.

## </summary>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

#

interface(`auth_signal_pam',`

	gen_require(`

		type pam_t;

	')

	allow $1 pam_t:process signal;