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|Trusted Extensions Developer's Guide Oracle Solaris 11.1 Information Library|
You must develop, test, and debug an application on an isolated development system to prevent software bugs and incomplete code from compromising the security policy on the main system.
Follow these guidelines:
Remove extra debugging code, especially code that provides undocumented features and code that bypasses security checks.
Make application data manipulation easy to follow so that the manipulation can be inspected for security problems by an administrator before installation.
Test return codes for all programming interfaces. An unsuccessful call can have unpredictable results. When an unexpected error condition occurs, the application must always terminate.
Test all functionality by running the application at all sensitivity labels and from all roles that you expect will run the application.
If the program is run by an ordinary user and not by a role, start the program from the command line at the labels where the program is intended to run.
If the program is run by a role, start the program from the command line in the global zone or from the user role at the labels where the program is intended to run.
Test all functionality under privilege debugging mode so that you know whether the application has all the privileges it needs. This type of testing also determines whether the application is attempting to perform privileged tasks that it should not be performing.
Know the security implications of using privileges. Ensure that the application does not compromise system security by its use of privileges.
Know and follow good privilege bracketing practices.
If you use the SUNWspro debugger or the dbx command to test a privileged application, start the debugger before you attach it to a running process. You cannot start the debugger with the command name as an argument.