Examples with EquinoxSecurityManager org.eclipse.osgi.internal.permadmin.EquinoxSecurityManager used on opensource projects

Example 1 with EquinoxSecurityManager

use of org.eclipse.osgi.internal.permadmin.EquinoxSecurityManager in project rt.equinox.framework by eclipse.

the class SystemBundleActivator method installSecurityManager.

private void installSecurityManager(EquinoxConfiguration configuration) throws BundleException {
    String securityManager = configuration.getConfiguration(Constants.FRAMEWORK_SECURITY);
    if (System.getSecurityManager() != null && securityManager != null) {
        // $NON-NLS-1$ //$NON-NLS-2$
        throw new BundleException("Cannot specify the \"" + Constants.FRAMEWORK_SECURITY + "\" configuration property when a security manager is already installed.");
    }
    if (securityManager == null) {
        // $NON-NLS-1$
        securityManager = configuration.getConfiguration(EquinoxConfiguration.PROP_EQUINOX_SECURITY, configuration.getProperty("java.security.manager"));
    }
    if (securityManager != null) {
        SecurityManager sm = System.getSecurityManager();
        if (sm == null) {
            if (securityManager.length() == 0)
                // use the default one from java
                sm = new SecurityManager();
            else if (securityManager.equals(Constants.FRAMEWORK_SECURITY_OSGI))
                // use an OSGi enabled manager that understands postponed conditions
                sm = new EquinoxSecurityManager();
            else {
                // try to use a specific classloader by classname
                try {
                    Class<?> clazz = Class.forName(securityManager);
                    sm = (SecurityManager) clazz.newInstance();
                } catch (ClassNotFoundException e) {
                // do nothing
                } catch (ClassCastException e) {
                // do nothing
                } catch (InstantiationException e) {
                // do nothing
                } catch (IllegalAccessException e) {
                // do nothing
                }
            }
            if (sm == null)
                throw new NoClassDefFoundError(securityManager);
            if (configuration.getDebug().DEBUG_SECURITY)
                // $NON-NLS-1$
                Debug.println("Setting SecurityManager to: " + sm);
            System.setSecurityManager(sm);
            setSecurityManagner = sm;
            return;
        }
    }
}

Example 2 with EquinoxSecurityManager

use of org.eclipse.osgi.internal.permadmin.EquinoxSecurityManager in project rt.equinox.framework by eclipse.

the class EquinoxBundle method hasPermission.

@Override
public boolean hasPermission(Object permission) {
    Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
    ProtectionDomain domain = current.getDomain();
    if (domain != null) {
        if (permission instanceof Permission) {
            SecurityManager sm = System.getSecurityManager();
            if (sm instanceof EquinoxSecurityManager) {
                /*
					 * If the FrameworkSecurityManager is active, we need to do checks the "right" way.
					 * We can exploit our knowledge that the security context of FrameworkSecurityManager
					 * is an AccessControlContext to invoke it properly with the ProtectionDomain.
					 */
                AccessControlContext acc = new AccessControlContext(new ProtectionDomain[] { domain });
                try {
                    sm.checkPermission((Permission) permission, acc);
                    return true;
                } catch (Exception e) {
                    return false;
                }
            }
            return domain.implies((Permission) permission);
        }
        return false;
    }
    return true;
}