Re: [Bluez-devel] Pin for an outgoing connection

[Marcel Holtmann <marcel@holtmann.org>]

Hi Valentine,

> I'm currently trying bluez-utils 3.7 (D-BUS interface is really sweet
> thing and a must for all so called desktop Linux components) but
> unfortunately I've came across the following problem: pin code I
> specify in hcid.conf via "passphrase" option is never used for
> outgoing connections. It's clear from the code in hcid/security.c but
> man pages are somewhat misleading at this point - they state pin code
> specified in hcid.conf will be used if I set security to "auto".
> 
> Apparently, "if" condition at security.c:386 will never be true -
> pinlen is read from "pincodes" file in storage at line 364 but this
> file is never created or stored through all the bluez-utils code.
> 
> The question is: is it intended behaviour or it's a bug and should be fixed?

if the manual pages are misleading, then this is a bug. The pincodes
file is meant to be kinda secret. The code in the CVS will also use it
in case of security user, but it will still ask the passkey agent. From
a security perspective, any automatic pairing with a default PIN is a
security risk and by default we don't allow that anymore. The passkey in
the hcid.conf is only used for incoming connection btw.

Regards

Marcel



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