chore: import upstream snapshot with attribution

ldap-server/view_sfile.cgi

@@ -0,0 +1,12 @@
+#!/usr/local/bin/perl
+# Just output a schema file
+
+require './ldap-server-lib.pl';
+&local_ldap_server() == 1 || &error($text{'slapd_elocal'});
+$access{'schema'} || &error($text{'schema_ecannot'});
+&ReadParse();
+&is_under_directory($config{'schema_dir'}, $in{'file'}) ||
+	&error($text{'schema_edir'});
+print "Content-type: text/plain\n\n";
+print &read_file_contents($in{'file'});
+