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I'm sure there are still some exploits in the code, but there are certainly fewer now. Instead of just executing whatever arguments are passed into privilegedactions.privilegedaction_run, we now limit the actions that can be run in the following ways: - Only actions that exist in the actions directory can be executed. Attempting to run the action "echo; rm -rf /" will look for a file named "actions/echo; rm -rf /", of which there are none. - Shell literals are escaped: attempting to run the "echo" action with options like "'hi'; rm -rf /") will echo "'hi'; rm -rf /". - It is difficult to interact with the spawned process through this interface. We can't control whether the spawned process allows interaction. The details of the contract are included in privilegedactions.py, and this contract is tested in privilegedactions_test.py.
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/bin/echo |