Re: How to save pin number and auto-connect on startup?

[Dan Williams <dcbw redhat com>]

On Tue, 2010-08-17 at 09:48 +0200, Tassilo Horn wrote:
> Dan Williams <dcbw redhat com> writes:
> 
> Hi Dan,
> 
> >> > I'm new to N-M, connecting to 3G net in Switzerland using a Huawei
> >> > K3715 USB stick and Ubuntu 10.04. After the painful configuration
> >> > process (I had to enter manually "vendor=0x12d1 product=140c" in
> >> > the configuration file) everything works wonderful -- even better
> >> > that the original software.
> >> 
> >> Oh, I'm totally unable to get my Huawei E160 working.  Could you
> >> please provide those config files you have edited?  Maybe that could
> >> help me.
> >
> > Does the device have IDs in the 'option' driver?  Any Huawei modems
> > that are not driven by 'option' should get their IDs added to that
> > kernel module so people don't need to hack it.
> 
> I don't know what you are asking. :-) Which IDs and what's the 'option'
> driver?  How do I check that?

That was more for David, but I'm wrong there; it appears he was talking
about usb_modeswitch and not the option driver.  I got the replies mixed
up a bit and replied to you, not David.

Dan

> > Next, does your device need a modeswitch?
> 
> Yes, and that seems to work just fine.
> 
> > Many modems have fake driver CDs and need to be flipped into modem
> > mode by usb_modeswitch.  If it's a new device, it may not have been
> > added to usb_modeswitch yet.  Recent versions of usb_modeswitch (1.1.3
> > and later at least) will automatically eject the fake CD for you via
> > udev rules when you plug the device in.
> 
> Yes, I use 1.1.3 and the modeswitch is performed automatically when I
> connect the stick.
> 
> >> > The only thing I miss is the option to save the pin number and
> >> > auto-connect on startup.
> >> 
> >> Hm, I use KNetworkManager, and in the Broadband Connection tab, there
> >> are fields for the PIN, PUK, APN, etc.  At least the PIN/PUK are
> >> saved in the KDE keychain (kwallet).  I guess it's the same when
> >> using nm-applet, where those credentials should be stored in the
> >> GNOME keyring.
> >
> > He's talking about something that's new in NM 0.8.1, likely.
> > Immediately when the modem is plugged in and nm-applet notices that
> > modem-manager needs a PIN code, nm-applet will ask you for that PIN
> > code.
> >
> > Now here's the problem: the PIN is specific to the *SIM*, not the
> > device.  But most modems don't allow us to request the IMSI (the SIM's
> > serial #) before we've entered the PIN, so we have no idea which PIN
> > to use with this device.  Chicken+egg problem really.  There may be
> > some ways to work around this (store the PIN with whatever attributes
> > we *can* get from the device) and just do best-effort, asking the user
> > when we can't figure it out.  Needs to be written though.
> 
> Ah, thanks for the clarification.
> 
> Bye,
> Tassilo
> 
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