Hi folks,
I'm playing with OSGi's security manager in Equinox and the implementation
of the Conditional Permissions Admin called SecurityAdmin.
My setup is Equinox + some other bundles. This is launched by the
equinox.launcher and I've passed the following as system properties:
-Declipse.security=osgi
-Djava.security.policy="my.policy
The policy looks like that
keystore "myKeystore";
grant signedBy "myself" {
permission java.security.AllPermission;
};
I have signed all bundles in /plugins with that keystore and granted them
all premissions with the policy.
The first thing I noticed is that without a policy file the framework still
starts. That is because when we are in OSGi security mode the launcher adds
all permissions to itself and the framework.
I created a simple bundle that in its Activator creates a directory at a
location different from it's data file. It doesn't have any local
permissions.
The call went into the EquinoxSecurityManager then started checking for
implied permissions at the AccessControlContext. The important point is
checking the Protection Domains. It went through two of them:
1. The system bundle's protection domain as the system bundle triggered the
Activator of my bundle.
2. The bundle's protection domain, probably for local permissions.
1) has all permission as it is the framework and 2) doesn't have any local
permission therefore by specification gets AllPermission.
So far so good.
My question is how the EquinoxSecurityManager is expected to be configured?
>From what I've seen the policy file syntax doesn't support the permission
syntax defined in the OSGi specification(ALLOW, DENY).
Does that mean OSGi's security manager is configured only by a bundle
interacting with the Conditional Permission Admin service?
Also does the policy file play any role at all in such setup? I suspect
it's relevant only for pure Java security setup.
Thanks,
Borislav
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