/usr/share/perl5/URI/_login.pm is in liburi-perl 1.59-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | package URI::_login;
require URI::_server;
require URI::_userpass;
@ISA = qw(URI::_server URI::_userpass);
# Generic terminal logins. This is used as a base class for 'telnet',
# 'tn3270', and 'rlogin' URL schemes.
1;
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