selinux-policy/policy/modules/system/authlogin.if

## <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)

	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(`
		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_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>
##	<p>
##	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.
##	</p>
## </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>
##	<p>
##	Read the shadow password file.  This
##	should only be used in a conditional;
##	it does not pass the reading shadow
##	assertion.
##	</p>
## </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;
')

########################################
## <summary>
##	Execute pam programs in the PAM domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to allow the PAM domain.
##	</summary>
## </param>
#
interface(`auth_run_pam',`
	gen_require(`
		type pam_t;
	')

	auth_domtrans_pam($1)
	role $2 types pam_t;
')

########################################
## <summary>
##	Execute the pam program.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_exec_pam',`
	gen_require(`
		type pam_exec_t;
	')

	can_exec($1, pam_exec_t)
')

########################################
## <summary>
##	Read var auth files. Used by various other applications
##	and pam applets etc.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_read_var_auth',`
	gen_require(`
		type var_auth_t;
	')

	files_search_var($1)
	read_files_pattern($1, var_auth_t, var_auth_t)
')

########################################
## <summary>
##	Manage var auth files. Used by various other applications
##	and pam applets etc.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_manage_var_auth',`
	gen_require(`
		type var_auth_t;
	')

	files_search_var($1)
	allow $1 var_auth_t:dir manage_dir_perms;
	allow $1 var_auth_t:file rw_file_perms;
	allow $1 var_auth_t:lnk_file rw_lnk_file_perms;
')

########################################
## <summary>
##	Read PAM PID files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_read_pam_pid',`
	gen_require(`
		type pam_var_run_t;
	')

	files_search_pids($1)
	allow $1 pam_var_run_t:dir list_dir_perms;
	allow $1 pam_var_run_t:file read_file_perms;
')

#######################################
## <summary>
##	Do not audit attemps to read PAM PID files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`auth_dontaudit_read_pam_pid',`
	gen_require(`
		type pam_var_run_t;
	')

	dontaudit $1 pam_var_run_t:file { getattr read };
')

########################################
## <summary>
##	Delete pam PID files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_delete_pam_pid',`
	gen_require(`
		type pam_var_run_t;
	')

	files_search_pids($1)
	allow $1 pam_var_run_t:dir del_entry_dir_perms;
	allow $1 pam_var_run_t:file delete_file_perms;
')

########################################
## <summary>
##	Manage pam PID files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_manage_pam_pid',`
	gen_require(`
		type pam_var_run_t;
	')

	files_search_pids($1)
	allow $1 pam_var_run_t:dir manage_dir_perms;
	allow $1 pam_var_run_t:file manage_file_perms;
')

########################################
## <summary>
##	Execute pam_console with a domain transition.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`auth_domtrans_pam_console',`
	gen_require(`
		type pam_console_t, pam_console_exec_t;
	')

	domtrans_pattern($1, pam_console_exec_t, pam_console_t)
')

########################################
## <summary>
##	Search the contents of the
##	pam_console data directory.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_search_pam_console_data',`
	gen_require(`
		type pam_var_console_t;
	')

	files_search_pids($1)
	allow $1 pam_var_console_t:dir search_dir_perms;
')

########################################
## <summary>
##	List the contents of the pam_console
##	data directory.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_list_pam_console_data',`
	gen_require(`
		type pam_var_console_t;
	')

	files_search_pids($1)
	allow $1 pam_var_console_t:dir list_dir_perms;
')

########################################
## <summary>
##	Read pam_console data files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_read_pam_console_data',`
	gen_require(`
		type pam_var_console_t;
	')

	files_search_pids($1)
	allow $1 pam_var_console_t:dir list_dir_perms;
	allow $1 pam_var_console_t:file read_file_perms;
')

########################################
## <summary>
##	Create, read, write, and delete
##	pam_console data files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_manage_pam_console_data',`
	gen_require(`
		type pam_var_console_t;
	')

	files_search_pids($1)
	manage_files_pattern($1, pam_var_console_t, pam_var_console_t)
	manage_lnk_files_pattern($1, pam_var_console_t, pam_var_console_t)
')

#######################################
## <summary>
##	Delete pam_console data.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_delete_pam_console_data',`
	gen_require(`
		type pam_var_console_t;
	')

	files_search_var($1)
	files_search_pids($1)
	delete_files_pattern($1, pam_var_console_t, pam_var_console_t)
')

########################################
## <summary>
##	Read all directories on the filesystem, except
##	the shadow passwords and listed exceptions.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="exception_types" optional="true">
##	<summary>
##	The types to be excluded.  Each type or attribute
##	must be negated by the caller.
##	</summary>
## </param>
#
interface(`auth_read_all_dirs_except_shadow',`
	gen_require(`
		type shadow_t;
	')

	files_read_all_dirs_except($1,$2 -shadow_t)
')

########################################
## <summary>
##	Read all files on the filesystem, except
##	the shadow passwords and listed exceptions.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="exception_types" optional="true">
##	<summary>
##	The types to be excluded.  Each type or attribute
##	must be negated by the caller.
##	</summary>
## </param>
## <rolecap/>
#
interface(`auth_read_all_files_except_shadow',`
	gen_require(`
		type shadow_t;
	')

	files_read_all_files_except($1,$2 -shadow_t)
')

########################################
## <summary>
##	Read all symbolic links on the filesystem, except
##	the shadow passwords and listed exceptions.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="exception_types" optional="true">
##	<summary>
##	The types to be excluded.  Each type or attribute
##	must be negated by the caller.
##	</summary>
## </param>
#
interface(`auth_read_all_symlinks_except_shadow',`
	gen_require(`
		type shadow_t;
	')

	files_read_all_symlinks_except($1,$2 -shadow_t)
')

########################################
## <summary>
##	Relabel all files on the filesystem, except
##	the shadow passwords and listed exceptions.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="exception_types" optional="true">
##	<summary>
##	The types to be excluded.  Each type or attribute
##	must be negated by the caller.
##	</summary>
## </param>
#

interface(`auth_relabel_all_files_except_shadow',`
	gen_require(`
		type shadow_t;
	')

	files_relabel_all_files($1,$2 -shadow_t)
')

########################################
## <summary>
##	Read and write all files on the filesystem, except
##	the shadow passwords and listed exceptions.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="exception_types" optional="true">
##	<summary>
##	The types to be excluded.  Each type or attribute
##	must be negated by the caller.
##	</summary>
## </param>
#

interface(`auth_rw_all_files_except_shadow',`
	gen_require(`
		type shadow_t;
	')

	files_rw_all_files($1,$2 -shadow_t)
')

########################################
## <summary>
##	Manage all files on the filesystem, except
##	the shadow passwords and listed exceptions.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="exception_types" optional="true">
##	<summary>
##	The types to be excluded.  Each type or attribute
##	must be negated by the caller.
##	</summary>
## </param>
#

interface(`auth_manage_all_files_except_shadow',`
	gen_require(`
		type shadow_t;
	')

	files_manage_all_files($1,$2 -shadow_t)
')

########################################
## <summary>
##	Execute utempter programs in the utempter domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`auth_domtrans_utempter',`
	gen_require(`
		type utempter_t, utempter_exec_t;
	')

	domtrans_pattern($1, utempter_exec_t, utempter_t)
')

########################################
## <summary>
##	Execute utempter programs in the utempter domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to allow the utempter domain.
##	</summary>
## </param>
#
interface(`auth_run_utempter',`
	gen_require(`
		type utempter_t;
	')

	auth_domtrans_utempter($1)
	role $2 types utempter_t;
')

#######################################
## <summary>
##	Do not audit attemps to execute utempter executable.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`auth_dontaudit_exec_utempter',`
	gen_require(`
		type utempter_exec_t;
	')

	dontaudit $1 utempter_exec_t:file { execute execute_no_trans };
')

########################################
## <summary>
##	Set the attributes of login record files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_setattr_login_records',`
	gen_require(`
		type wtmp_t;
	')

	allow $1 wtmp_t:file setattr;
	logging_search_logs($1)
')

########################################
## <summary>
##	Read login records files (/var/log/wtmp).
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`auth_read_login_records',`
	gen_require(`
		type wtmp_t;
	')

	logging_search_logs($1)
	allow $1 wtmp_t:file read_file_perms;
')

########################################
## <summary>
##	Do not audit attempts to read login records
##	files (/var/log/wtmp).
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
## <rolecap/>
#
interface(`auth_dontaudit_read_login_records',`
	gen_require(`
		type wtmp_t;
	')

	dontaudit $1 wtmp_t:file read_file_perms;
')

########################################
## <summary>
##	Do not audit attempts to write to
##	login records files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`auth_dontaudit_write_login_records',`
	gen_require(`
		type wtmp_t;
	')

	dontaudit $1 wtmp_t:file write;
')

#######################################
## <summary>
##	Append to login records (wtmp).
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_append_login_records',`
	gen_require(`
		type wtmp_t;
	')

	allow $1 wtmp_t:file append_file_perms;
	logging_search_logs($1)
')

#######################################
## <summary>
##	Write to login records (wtmp).
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_write_login_records',`
	gen_require(`
		type wtmp_t;
	')

	allow $1 wtmp_t:file { write_file_perms lock };
')

########################################
## <summary>
##	Read and write login records.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_rw_login_records',`
	gen_require(`
		type wtmp_t;
	')

	allow $1 wtmp_t:file rw_file_perms;
	logging_search_logs($1)
')

########################################
## <summary>
##	Create a login records in the log directory
##	using a type transition.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_log_filetrans_login_records',`
	gen_require(`
		type wtmp_t;
	')

	logging_log_filetrans($1, wtmp_t, file)
')

########################################
## <summary>
##	Create, read, write, and delete login
##	records files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_manage_login_records',`
	gen_require(`
		type wtmp_t;
	')

	logging_rw_generic_log_dirs($1)
	allow $1 wtmp_t:file manage_file_perms;
')

########################################
## <summary>
##	Use nsswitch to look up user, password, group, or
##	host information.
## </summary>
## <desc>
##	<p>
##	Allow the specified domain to look up user, password,
##	group, or host information using the name service.
##	The most common use of this interface is for services
##	that do host name resolution (usually DNS resolution).
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <infoflow type="both" weight="10"/>
#
interface(`auth_use_nsswitch',`

	allow $1 self:netlink_route_socket r_netlink_socket_perms;

	files_list_var_lib($1)

	# read /etc/nsswitch.conf
	files_read_etc_files($1)

	miscfiles_read_certs($1)

	sysnet_dns_name_resolve($1)
	sysnet_use_ldap($1)

	optional_policy(`
		avahi_stream_connect($1)
	')

	optional_policy(`
		ldap_stream_connect($1)
	')

 	optional_policy(`
		likewise_stream_connect_lsassd($1)
	')

	optional_policy(`
		kerberos_use($1)
	')

	optional_policy(`
		nis_use_ypbind($1)
	')

	optional_policy(`
		nscd_use($1)
	')

	optional_policy(`
		nslcd_stream_connect($1)
	')

	optional_policy(`
		sssd_stream_connect($1)
	')

	optional_policy(`
		samba_stream_connect_winbind($1)
		samba_read_var_files($1)
		samba_dontaudit_write_var_files($1)
	')
')

########################################
## <summary>
##	Unconfined access to the authlogin module.
## </summary>
## <desc>
##	<p>
##	Unconfined access to the authlogin module.
##	</p>
##	<p>
##	Currently, this only allows assertions for
##	the shadow passwords file (/etc/shadow) to
##	be passed.  No access is granted yet.
##	</p>
## </desc>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`auth_unconfined',`
	gen_require(`
		attribute can_read_shadow_passwords;
		attribute can_write_shadow_passwords;
		attribute can_relabelto_shadow_passwords;
	')

	typeattribute $1 can_read_shadow_passwords;
	typeattribute $1 can_write_shadow_passwords;
	typeattribute $1 can_relabelto_shadow_passwords;
')