static private void PerformSecurityCheck(Type owner, ref StackCrawlMark stackMark, bool skipVisibility)
{
unsafe {
if (owner == null || ((owner = owner.UnderlyingSystemType as RuntimeType) == null))
{
throw new ArgumentNullException("owner");
}
// ask for ReflectionEmit permission always
new ReflectionPermission(ReflectionPermissionFlag.ReflectionEmit).Demand();
// get the type the call is coming from
RuntimeTypeHandle callingType = ModuleHandle.GetCallerType(ref stackMark);
// ask for member access if skip visibility
if (skipVisibility)
{
new ReflectionPermission(ReflectionPermissionFlag.MemberAccess).Demand();
}
else
{
// if the call is not coming from the same class ask for member access
if (!callingType.Equals(owner.TypeHandle))
{
new ReflectionPermission(ReflectionPermissionFlag.MemberAccess).Demand();
}
}
// ask for control evidence if outside of the caller module
if (!owner.Assembly.AssemblyHandle.Equals(callingType.GetAssemblyHandle()))
{
new SecurityPermission(SecurityPermissionFlag.ControlEvidence).Demand();
}
}
}
static private void PerformSecurityCheck(Module m, ref StackCrawlMark stackMark, bool skipVisibility)
{
unsafe {
if (m == null)
{
throw new ArgumentNullException("m");
}
// ask for ReflectionEmit permission always
new ReflectionPermission(ReflectionPermissionFlag.ReflectionEmit).Demand();
// ask for member access if skip visibility
if (skipVisibility)
{
new ReflectionPermission(ReflectionPermissionFlag.MemberAccess).Demand();
}
// ask for control evidence if outside of the caller assembly
RuntimeTypeHandle callingType = ModuleHandle.GetCallerType(ref stackMark);
if (!m.Assembly.AssemblyHandle.Equals(callingType.GetAssemblyHandle()))
{
new SecurityPermission(SecurityPermissionFlag.ControlEvidence).Demand();
}
}
}
