handle_LIST(): Fix absolute path to stat() when running in non-chroot

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
Initial support for running in Inetd mode, client connection from STDIN

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
session(): Fix bogus warning about failed to chdir() to FTP root

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
Fix off-by-ones in absolute path composition when running in non-chroot

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>