Support SMB Auth in addition to HTTP

```
In some cases HTTP authentication may not be permitted but SMB might. Add 
support for SMB 
server for authentication requests instead of just HTTP. Attackers could then 
use 
file://server/share/ URIs instead.
```

Original issue reported on code.google.com by `kurt.gru...@gmail.com` on 5 Nov 2008 at 8:00
