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Bluetooth: Allow 3D profile to use security mode 4 level 0

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The PSM 0x0021 is dedicated to the 3D profile and has permission to
use security mode 4 level 0 for L2CAP connectionless unicast data
transfers.

When establishing a L2CAP connectionless channel on PSM 0x0021, it
will no longer force Secure Simple Pairing.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2013-10-12 07:19:32 -07:00 • committed by Johan Hedberg
parent 6a974b50a1
commit 3124b84309
3 changed files with 15 additions and 0 deletions
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10
net/bluetooth/l2cap_core.c
View file

@ -688,6 +688,16 @@ static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
return HCI_AT_NO_BONDING;
}
break;
case L2CAP_CHAN_CONN_LESS:
if (chan->psm == __constant_cpu_to_le16(L2CAP_PSM_3DSP)) {
if (chan->sec_level == BT_SECURITY_LOW)
chan->sec_level = BT_SECURITY_SDP;
}
if (chan->sec_level == BT_SECURITY_HIGH)
return HCI_AT_NO_BONDING_MITM;
else
return HCI_AT_NO_BONDING;
break;
case L2CAP_CHAN_CONN_ORIENTED:
if (chan->psm == __constant_cpu_to_le16(L2CAP_PSM_SDP)) {
if (chan->sec_level == BT_SECURITY_LOW)