Examples with SubjectDelegationPermission javax.management.remote.SubjectDelegationPermission used on opensource projects

Example 1 with SubjectDelegationPermission

use of javax.management.remote.SubjectDelegationPermission in project jdk8u_jdk by JetBrains.

the class SubjectDelegator method checkRemoveCallerContext.

/**
     * Check if the connector server creator can assume the identity of each
     * principal in the authenticated subject, i.e. check if the connector
     * server creator codebase contains a subject delegation permission for
     * each principal present in the authenticated subject.
     *
     * @return {@code true} if the connector server creator can delegate to all
     * the authenticated principals in the subject. Otherwise, {@code false}.
     */
public static synchronized boolean checkRemoveCallerContext(Subject subject) {
    try {
        for (Principal p : getSubjectPrincipals(subject)) {
            final String pname = p.getClass().getName() + "." + p.getName();
            final Permission sdp = new SubjectDelegationPermission(pname);
            AccessController.checkPermission(sdp);
        }
    } catch (SecurityException e) {
        return false;
    }
    return true;
}

Example 2 with SubjectDelegationPermission

use of javax.management.remote.SubjectDelegationPermission in project jdk8u_jdk by JetBrains.

the class SubjectDelegator method delegatedContext.

/* Return the AccessControlContext appropriate to execute an
       operation on behalf of the delegatedSubject.  If the
       authenticatedAccessControlContext does not have permission to
       delegate to that subject, throw SecurityException.  */
public AccessControlContext delegatedContext(AccessControlContext authenticatedACC, Subject delegatedSubject, boolean removeCallerContext) throws SecurityException {
    if (System.getSecurityManager() != null && authenticatedACC == null) {
        throw new SecurityException("Illegal AccessControlContext: null");
    }
    // Check if the subject delegation permission allows the
    // authenticated subject to assume the identity of each
    // principal in the delegated subject
    //
    Collection<Principal> ps = getSubjectPrincipals(delegatedSubject);
    final Collection<Permission> permissions = new ArrayList<>(ps.size());
    for (Principal p : ps) {
        final String pname = p.getClass().getName() + "." + p.getName();
        permissions.add(new SubjectDelegationPermission(pname));
    }
    PrivilegedAction<Void> action = new PrivilegedAction<Void>() {

        public Void run() {
            for (Permission sdp : permissions) {
                AccessController.checkPermission(sdp);
            }
            return null;
        }
    };
    AccessController.doPrivileged(action, authenticatedACC);
    return getDelegatedAcc(delegatedSubject, removeCallerContext);
}