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--
-- Test that recursing between plperl and plperlu doesn't allow plperl to perform unsafe ops
--
-- recurse between a plperl and plperlu function that are identical except that
-- each calls the other. Each also checks if an unsafe opcode can be executed.
CREATE OR REPLACE FUNCTION recurse_plperl(i int) RETURNS SETOF TEXT LANGUAGE plperl
AS $$
my $i = shift;
my $res = [];
return $res unless $i > 0;
push @$res, "plperl $i entry: ".((eval "stat;1") ? "ok" : $@);
push @$res, $_
for map { $_->{recurse_plperlu} }
@{spi_exec_query("select * from recurse_plperlu($i-1)")->{rows}};
return $res;
$$;
CREATE OR REPLACE FUNCTION recurse_plperlu(i int) RETURNS SETOF TEXT LANGUAGE plperlu
AS $$
my $i = shift;
my $res = [];
return $res unless $i > 0;
push @$res, "plperlu $i entry: ".((eval "stat;1") ? "ok" : $@);
push @$res, $_
for map { $_->{recurse_plperl} }
@{spi_exec_query("select * from recurse_plperl($i-1)")->{rows}};
return $res;
$$;
SELECT * FROM recurse_plperl(5);
SELECT * FROM recurse_plperlu(5);
--
-- Make sure we can't use/require things in plperl
--
CREATE OR REPLACE FUNCTION use_plperlu() RETURNS void LANGUAGE plperlu
AS $$
use Errno;
$$;
CREATE OR REPLACE FUNCTION use_plperl() RETURNS void LANGUAGE plperl
AS $$
use Errno;
$$;
select use_plperl();
-- make sure our overloaded require op gets restored/set correctly
select use_plperlu();
CREATE OR REPLACE FUNCTION use_plperl() RETURNS void LANGUAGE plperl
AS $$
use Errno;
$$;
select use_plperl();
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