From: Andrei Emeltchenko <Andrei.Emeltchenko.news@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: Re: [PATCHv5 1/7] android: Add capabilities and set userid
Date: Thu, 17 Oct 2013 14:26:30 +0300 [thread overview]
Message-ID: <20131017112628.GU2861@aemeltch-MOBL1> (raw)
In-Reply-To: <20131017112010.GA19836@x220.p-661hnu-f1>
Hi Johan,
On Thu, Oct 17, 2013 at 02:20:10PM +0300, Johan Hedberg wrote:
> Hi Andrei,
>
> On Thu, Oct 17, 2013, Andrei Emeltchenko wrote:
> > The patch set UID as standard Bluetooth user for Android (AID_BLUETOOTH).
> > For SDP server we need to bind to lower port, acquire this capability.
>
> Which POSIX capability is "this capability" exactly?
>
> > + cap.effective = cap.permitted =
> > + CAP_TO_MASK(CAP_SETGID) |
> > + CAP_TO_MASK(CAP_NET_RAW) |
> > + CAP_TO_MASK(CAP_NET_ADMIN) |
> > + CAP_TO_MASK(CAP_NET_BIND_SERVICE);
>
> I just checked the kernel L2CAP socket code and all it requires for
> binding to a low L2CAP PSM (needed e.g. by SDP) is CAP_NET_BIND_SERVICE.
> So you'll need to explain what you need these other capabilities for.
>
Have you checked also Android PARANOID kernel code?
Best regards
Andrei Emeltchenko
next prev parent reply other threads:[~2013-10-17 11:26 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-15 10:36 [PATCHv1 0/5] Initial Android BlueZ patches Andrei Emeltchenko
2013-10-15 10:36 ` [PATCHv1 1/5] android: Create HAL API header skeleton Andrei Emeltchenko
2013-10-15 10:37 ` [PATCHv1 2/5] android: Add basic mgmt initialization sequence Andrei Emeltchenko
2013-10-15 10:37 ` [PATCHv1 3/5] android: Add adapter and device struct for BlueZ daemon Andrei Emeltchenko
2013-10-15 10:37 ` [PATCHv1 4/5] android: sdp: Reuse BlueZ SDP server in Android Andrei Emeltchenko
2013-10-15 10:37 ` [PATCHv1 5/5] android: Add cap to bind to port < 1024 Andrei Emeltchenko
2013-10-16 8:46 ` [PATCHv2 0/6] Android BlueZ patches, second chunk Andrei Emeltchenko
2013-10-16 8:46 ` [PATCHv2 1/6] sdp: Check that correct packet received in recv Andrei Emeltchenko
2013-10-16 10:21 ` Johan Hedberg
2013-10-16 8:46 ` [PATCHv2 2/6] android: Create HAL API header skeleton Andrei Emeltchenko
2013-10-16 10:23 ` Johan Hedberg
2013-10-16 8:46 ` [PATCHv2 3/6] android: Add basic mgmt initialization sequence Andrei Emeltchenko
2013-10-16 10:28 ` Johan Hedberg
2013-10-16 12:03 ` Szymon Janc
2013-10-16 12:24 ` Andrei Emeltchenko
2013-10-16 8:46 ` [PATCHv2 4/6] android: Add adapter and device struct for BlueZ daemon Andrei Emeltchenko
2013-10-16 10:31 ` Johan Hedberg
2013-10-16 8:46 ` [PATCHv2 5/6] android: sdp: Reuse BlueZ SDP server in Android Andrei Emeltchenko
2013-10-16 8:46 ` [PATCHv2 6/6] android: Add cap to bind to port < 1024 Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 00/11] Android BlueZ patches, second chunk Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 01/11] android: Create HAL API header skeleton Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 02/11] android: Add basic mgmt initialization sequence Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 03/11] android: Add adapter and device struct for BlueZ daemon Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 04/11] android: sdp: Reuse BlueZ SDP server in Android Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 05/11] android: Add cap to bind to port < 1024 Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 06/11] android: Implement read_info_complete callback Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 07/11] android: Use kernel style to initialize struct fields Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 08/11] android: Rename hal_bluetooth.c to hal-bluetooth.c Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 09/11] android: Rename hal_bt_sock.c to hal-bt-sock.c Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 10/11] android: Add HID Host skeleton Andrei Emeltchenko
2013-10-16 14:08 ` [PATCHv3 11/11] android: Add PAN skeleton Andrei Emeltchenko
2013-10-16 14:36 ` [PATCHv4 00/11] Android BlueZ patches, second chunk Andrei Emeltchenko
2013-10-16 14:36 ` [PATCHv4 01/11] android: Create HAL API header skeleton Andrei Emeltchenko
2013-10-16 14:36 ` [PATCHv4 02/11] android: Add basic mgmt initialization sequence Andrei Emeltchenko
2013-10-16 14:36 ` [PATCHv4 03/11] android: Add adapter and device struct for BlueZ daemon Andrei Emeltchenko
2013-10-16 14:36 ` [PATCHv4 04/11] android: sdp: Reuse BlueZ SDP server in Android Andrei Emeltchenko
2013-10-16 15:48 ` Johan Hedberg
2013-10-16 14:36 ` [PATCHv4 05/11] android: Add cap to bind to port < 1024 Andrei Emeltchenko
2013-10-16 15:44 ` Johan Hedberg
2013-10-16 14:36 ` [PATCHv4 06/11] android: Implement read_info_complete callback Andrei Emeltchenko
2013-10-16 15:47 ` Johan Hedberg
2013-10-16 14:36 ` [PATCHv4 07/11] android: Use kernel style to initialize struct fields Andrei Emeltchenko
2013-10-16 14:36 ` [PATCHv4 08/11] android: Rename hal_bluetooth.c to hal-bluetooth.c Andrei Emeltchenko
2013-10-16 14:36 ` [PATCHv4 09/11] android: Rename hal_bt_sock.c to hal-bt-sock.c Andrei Emeltchenko
2013-10-16 14:36 ` [PATCHv4 10/11] android: Add HID Host skeleton Andrei Emeltchenko
2013-10-16 14:36 ` [PATCHv4 11/11] android: Add PAN skeleton Andrei Emeltchenko
2013-10-17 8:26 ` [PATCHv5 0/7] Android BlueZ patches, second chunk Andrei Emeltchenko
2013-10-17 8:26 ` [PATCHv5 1/7] android: Add capabilities and set userid Andrei Emeltchenko
2013-10-17 11:20 ` Johan Hedberg
2013-10-17 11:26 ` Andrei Emeltchenko [this message]
2013-10-17 8:26 ` [PATCHv5 2/7] android: Implement read_info_complete callback Andrei Emeltchenko
2013-10-17 11:53 ` Johan Hedberg
2013-10-17 8:26 ` [PATCHv5 3/7] android: Use kernel style to initialize struct fields Andrei Emeltchenko
2013-10-17 9:04 ` Marcel Holtmann
2013-10-17 8:26 ` [PATCHv5 4/7] android: Rename hal_bluetooth.c to hal-bluetooth.c Andrei Emeltchenko
2013-10-17 8:26 ` [PATCHv5 5/7] android: Rename hal_bt_sock.c to hal-bt-sock.c Andrei Emeltchenko
2013-10-17 8:26 ` [PATCHv5 6/7] android: Add HID Host skeleton Andrei Emeltchenko
2013-10-17 8:26 ` [PATCHv5 7/7] android: Add PAN skeleton Andrei Emeltchenko
2013-10-18 11:36 ` [PATCHv5 0/7] Android BlueZ patches, second chunk Johan Hedberg
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