[Bluez-devel] intercept new authentication events

[Bluez-devel] intercept new authentication events

[Adolfo Bulfoni]

Hi guys, I'm developing a java apps that exploits the BlueZ stack via JNI 
and some C functions.
Now, I'd like that my app intercept the event that happens when a new remote 
device wants to authenticate itself with my bt dongle (i.e. wants to trigger 
the pair procedure).
I've searched in the hcitool.c file and found and found the function:
static int conn_list(int s, int dev_id, long arg)
that prints all the active connections from and to my bt dongle. But this 
function is not what I'm looking for, since it is not a callback function 
and most important it prints out all the connections (including data ones).
Does exist a way to know if a new remote device want to pair with my bt 
dongle? And if so, what are the functions I need to look at?

Adolfo

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Re: [Bluez-devel] intercept new authentication events

[Marcel Holtmann]

Hi Adolfo,

> Hi guys, I'm developing a java apps that exploits the BlueZ stack via JNI 
> and some C functions.
> Now, I'd like that my app intercept the event that happens when a new remote 
> device wants to authenticate itself with my bt dongle (i.e. wants to trigger 
> the pair procedure).
> I've searched in the hcitool.c file and found and found the function:
> static int conn_list(int s, int dev_id, long arg)
> that prints all the active connections from and to my bt dongle. But this 
> function is not what I'm looking for, since it is not a callback function 
> and most important it prints out all the connections (including data ones).
> Does exist a way to know if a new remote device want to pair with my bt 
> dongle? And if so, what are the functions I need to look at?

you can register a default passkey agent via D-Bus and then you know
when a device wants to pair. Otherwise there are no hooks.

Regards

Marcel



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Re: [Bluez-devel] intercept new authentication events

[Adolfo Bulfoni]

Hi Marcel
thanks for your quick reply.

I've checked the passkey-agent util program  in /bluez-utils/daemon/ and if =

I try running it, an error message comes up saying there is already a =

passkey agent running on my PC.
How can I intercept the events sent by this agent? What are the functions =

that need to be called to get the output events from it?
A "dirty" workaround for my app might be to tail the /var/log/syslog file, =

where the pin_code_request event is logged, together with the remote device =

address. But I'd prefer a cleaner solution.
Thanks in advance,
regards

Adolfo

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Re: [Bluez-devel] intercept new authentication events

[Claudio Takahasi]

On 4/5/07, Adolfo Bulfoni <iaquintovski@hotmail.com> wrote:
> Hi Marcel
> thanks for your quick reply.
>
> I've checked the passkey-agent util program  in /bluez-utils/daemon/ and if
> I try running it, an error message comes up saying there is already a
> passkey agent running on my PC.
> How can I intercept the events sent by this agent? What are the functions
> that need to be called to get the output events from it?
> A "dirty" workaround for my app might be to tail the /var/log/syslog file,
> where the pin_code_request event is logged, together with the remote device
> address. But I'd prefer a cleaner solution.
> Thanks in advance,
> regards
>
> Adolfo
>

Hi Adolfo,

You can develop your own passkey agent. Here is a brief description
how the passkey agent works:
http://wiki.bluez.org/wiki/Security


BR,
Claudio

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