class UserGroup

privileges :: UserGroup

Class to manage user groups

Introduced properties

init defaultinit(user: String, group: nullable String)

privileges :: UserGroup :: defaultinit

fun drop_privileges

privileges :: UserGroup :: drop_privileges

Drop privileges of the running program to those of self
fun group: nullable String

privileges :: UserGroup :: group

Group name
protected fun group=(group: nullable String)

privileges :: UserGroup :: group=

Group name
fun user: String

privileges :: UserGroup :: user

User name
protected fun user=(user: String)

privileges :: UserGroup :: user=

User name

Redefined properties

redef type SELF: UserGroup

privileges $ UserGroup :: SELF

Type of this instance, automatically specialized in every class

All properties

fun !=(other: nullable Object): Bool

core :: Object :: !=

Have self and other different values?
fun ==(other: nullable Object): Bool

core :: Object :: ==

Have self and other the same value?
type CLASS: Class[SELF]

core :: Object :: CLASS

The type of the class of self.
type SELF: Object

core :: Object :: SELF

Type of this instance, automatically specialized in every class
protected fun class_factory(name: String): CLASS

core :: Object :: class_factory

Implementation used by get_class to create the specific class.
fun class_name: String

core :: Object :: class_name

The class name of the object.
init defaultinit(user: String, group: nullable String)

privileges :: UserGroup :: defaultinit

fun drop_privileges

privileges :: UserGroup :: drop_privileges

Drop privileges of the running program to those of self
fun get_class: CLASS

core :: Object :: get_class

The meta-object representing the dynamic type of self.
fun group: nullable String

privileges :: UserGroup :: group

Group name
protected fun group=(group: nullable String)

privileges :: UserGroup :: group=

Group name
fun hash: Int

core :: Object :: hash

The hash code of the object.
init init

core :: Object :: init

fun inspect: String

core :: Object :: inspect

Developer readable representation of self.
protected fun inspect_head: String

core :: Object :: inspect_head

Return "CLASSNAME:#OBJECTID".
intern fun is_same_instance(other: nullable Object): Bool

core :: Object :: is_same_instance

Return true if self and other are the same instance (i.e. same identity).
fun is_same_serialized(other: nullable Object): Bool

core :: Object :: is_same_serialized

Is self the same as other in a serialization context?
intern fun is_same_type(other: Object): Bool

core :: Object :: is_same_type

Return true if self and other have the same dynamic type.
intern fun object_id: Int

core :: Object :: object_id

An internal hash code for the object based on its identity.
fun output

core :: Object :: output

Display self on stdout (debug only).
intern fun output_class_name

core :: Object :: output_class_name

Display class name on stdout (debug only).
fun serialization_hash: Int

core :: Object :: serialization_hash

Hash value use for serialization
intern fun sys: Sys

core :: Object :: sys

Return the global sys object, the only instance of the Sys class.
abstract fun to_jvalue(env: JniEnv): JValue

core :: Object :: to_jvalue

fun to_s: String

core :: Object :: to_s

User readable representation of self.
fun user: String

privileges :: UserGroup :: user

User name
protected fun user=(user: String)

privileges :: UserGroup :: user=

User name
package_diagram privileges::UserGroup UserGroup core::Object Object privileges::UserGroup->core::Object

Parents

interface Object

core :: Object

The root of the class hierarchy.

Class definitions

privileges $ UserGroup 
# Class to manage user groups
class UserGroup

	# User name
	var user: String

	# Group name
	var group: nullable String

	# Drop privileges of the running program to those of `self`
	#
	# require: `user.user_exists and (group == null or group.group_exists)`
	fun drop_privileges
	do
		var passwd = new Passwd.from_name(user)
		assert not passwd.address_is_null
		var uid = passwd.uid

		var group = group
		var gid
		if group != null then
			var gpasswd = new Group.from_name(group)
			assert not gpasswd.address_is_null
			gid = gpasswd.gid
		else gid = passwd.gid

		sys.gid = gid
		sys.uid = uid
	end
end
lib/privileges/privileges.nit:42,1--71,3
Nit standard library. Version .