Fix the privilege escalation bug
The first implementation of --exec has a privilege escalation bug when argo_nodeos_config is a suid root binary (as it apparently is supposed to be...).
We now drop the privileges before calling execvp().
The first implementation of --exec has a privilege escalation bug when argo_nodeos_config is a suid root binary (as it apparently is supposed to be...).
We now drop the privileges before calling execvp().
This will create a new commit in order to revert the existing changes.