chore: import upstream snapshot with attribution

proftpd/edit_ftpusers.cgi

@@ -0,0 +1,19 @@
+#!/usr/local/bin/perl
+# edit_ftpusers.cgi
+# Lists users to be denied access
+
+require './proftpd-lib.pl';
+&ui_print_header(undef, $text{'ftpusers_title'}, "",
+	undef, undef, undef, undef, &restart_button());
+
+print &text('ftpusers_desc', "<tt>$config{'ftpusers'}</tt>"),"<p>\n";
+print &ui_form_start("save_ftpusers.cgi", "post");
+print &ui_table_start(undef, undef, 2);
+print &ui_table_row(undef,
+	&ui_textarea("users", &read_file_contents($config{'ftpusers'}), 10, 80),
+	2);
+print &ui_table_end();
+print &ui_form_end([ [ undef, $text{'save'} ] ]);
+
+&ui_print_footer("", $text{'index_return'});
+