func (c *Conn) initConnection() error {
var err error
c.conn, err = dbus.SystemBusPrivate()
if err != nil {
return err
}
// Only use EXTERNAL method, and hardcode the uid (not username)
// to avoid a username lookup (which requires a dynamically linked
// libc)
methods := []dbus.Auth{dbus.AuthExternal(strconv.Itoa(os.Getuid()))}
err = c.conn.Auth(methods)
if err != nil {
c.conn.Close()
return err
}
err = c.conn.Hello()
if err != nil {
c.conn.Close()
return err
}
c.object = c.conn.Object("org.freedesktop.login1", dbus.ObjectPath(dbusPath))
return nil
}
func (c *Conn) initConnection() error {
var err error
c.sysconn, err = dbus.SystemBusPrivate()
if err != nil {
return err
}
// Only use EXTERNAL method, and hardcode the uid (not username)
// to avoid a username lookup (which requires a dynamically linked
// libc)
methods := []dbus.Auth{dbus.AuthExternal(strconv.Itoa(os.Getuid()))}
err = c.sysconn.Auth(methods)
if err != nil {
c.sysconn.Close()
return err
}
err = c.sysconn.Hello()
if err != nil {
c.sysconn.Close()
return err
}
c.sysobj = c.sysconn.Object("org.freedesktop.systemd1", dbus.ObjectPath("/org/freedesktop/systemd1"))
// Setup the listeners on jobs so that we can get completions
c.sysconn.BusObject().Call("org.freedesktop.DBus.AddMatch", 0,
"type='signal', interface='org.freedesktop.systemd1.Manager', member='JobRemoved'")
c.initSubscription()
c.initDispatch()
return nil
}
func dbusConnection(createBus func() (*dbus.Conn, error)) (*dbus.Conn, error) {
conn, err := createBus()
if err != nil {
return nil, err
}
// Only use EXTERNAL method, and hardcode the uid (not username)
// to avoid a username lookup (which requires a dynamically linked
// libc)
methods := []dbus.Auth{dbus.AuthExternal(strconv.Itoa(os.Getuid()))}
err = conn.Auth(methods)
if err != nil {
conn.Close()
return nil, err
}
err = conn.Hello()
if err != nil {
conn.Close()
return nil, err
}
return conn, nil
}
func newDbus() (*logindDbus, error) {
conn, err := dbus.SystemBusPrivate()
if err != nil {
return nil, err
}
methods := []dbus.Auth{dbus.AuthExternal(strconv.Itoa(os.Getuid()))}
err = conn.Auth(methods)
if err != nil {
conn.Close()
return nil, err
}
err = conn.Hello()
if err != nil {
conn.Close()
return nil, err
}
object := conn.Object(dbusObject, dbus.ObjectPath(dbusPath))
return &logindDbus{
conn: conn,
object: object,
}, nil
}
func New() (c *Client, err error) {
c = new(Client)
c.conn, err = dbus.SystemBusPrivate()
if err != nil {
c.conn.Close()
return nil, err
}
methods := []dbus.Auth{dbus.AuthExternal(strconv.Itoa(os.Getuid()))}
err = c.conn.Auth(methods)
if err != nil {
c.conn.Close()
return nil, err
}
err = c.conn.Hello()
if err != nil {
c.conn.Close()
return nil, err
}
c.object = c.conn.Object(dbusInterface, dbus.ObjectPath(dbusPath))
// Setup the filter for the StatusUpdate signals
match := fmt.Sprintf("type='signal',interface='%s',member='%s'", dbusInterface, dbusMember)
call := c.conn.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, match)
if call.Err != nil {
return nil, err
}
c.ch = make(chan *dbus.Signal, signalBuffer)
c.conn.Signal(c.ch)
return c, nil
}