Config variables that affect the behavior of `unixauth`:
* `unixauth_type`: defaults to unset, can be "checkpassword" or "pwauth"
* `unixauth_command`: defaults to unset, should contain the full path and any arguments
Config variables that affect the behavior of `unixauth`:
* `unixauth_type`: defaults to unset, can be "checkpassword" or "pwauth"
* `unixauth_command`: defaults to unset, should contain the full path and any arguments