Claudio Takahasi wrote:
> On 3/29/07, Andy <andy thebmwz3.co.uk> wrote:
>> Hi All,
>> I'm having some major problems on a CF-based linux
system based on Debian.
>> Basically, I need to do a pairing without using
DBUS/passkey-agent, so
>> want to somehow populate the linkkeys file
manually.
>> Can anyone advise on how to do this? (I have the
address of the device,
>> and the pin it requires to pair).
>>
>> The reason is that on the basic install I've got
bluetooth utils are
>> broken, and without compilers, etc I cannot build
working copies, so
>> continually get:
>>
>> Mar 29 17:20:29 voyage hcid[3247]:
pin_code_request
>> (sba=00:15:83 xxx,
dba=00:80:37xxx)
>> Mar 29 17:20:29 voyage hcid[3247]: Calling
PasskeyAgent.Request:
>> name=:1.6, path=/org/bluez/passke
>> Mar 29 17:20:29 voyage hcid[3247]: Passkey agent
replied with an error:
>> org.freedesktop.DBus.Errorhod "Request"
with signature "ss" on interface
>> "org.bluez.PasskeyAgent" doesn't exist
>>
>>
>> Can anyone advise on how to generate the linkkeys
file manually? It's
>> the 128-bit code that I've not found the
information on how to create!
> The following link contains a detailed explanation how
passkey agent
> works. I added some info about the HCI events flow too,
it can be
> useful to understand the relation between the HCI
events and the
> passkey agent interaction.
>
> http://wiki.bluez
.org/wiki/Security
>
> You can't generate the link manually, you have to send
a passkey to
> the host controller and receives a link key
notification event.
Thanks for the info Claudio, actually I managed to achieve
my goal in a
slightly odd way, which I'll document here for list searches
etc.
I took the bluetooth USB hardware out of the machine I'm
trying to pair
with (the CF-based system) and plugged it into a laptop
running a
similar Debian install (which I knew had working pin
applications, dbus,
etc)
Installed bluez, drivers, etc then searched for the device.
Found it, and tried to connect, it prompted me for a pin
which I gave,
and it did a succesfull pairing with the device.
I then viewed the /var/lib/bluetooth/00:15:83xxx/lin
kkeys
and found the line that had just been created. Copied it
over to the
CF-based system, plugged the USB bluetooth device back in
and it worked
first time:
Mar 30 12:37:46 voyage hcid[2917]: link_key_request
(sba=00:15:83xxx,
dba=00:80:37xxx)
and continued to let me talk to the bluetooth device.
Regards,
--
Andy
e: andy thebmwz3.co.uk
e: andy broadcast-tech.co.uk
w: http://www.thebmwz3.co.uk
w: http://www.broadcast-
tech.co.uk
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