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Bluetooth: Don't try to confirm locally initiated SMP pairing

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In the case that the just-works model would be triggered we only want to
confirm remotely initiated pairings (i.e. those triggered by a Security
Request or Pairing Request). This patch adds the necessary check to the
tk_request function to fall back to the JUST_WORKS method in the case of
a locally initiated pairing.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-03-24 14:39:07 +02:00 committed by Marcel Holtmann
parent edca792c03
commit a82505c7bc
1 changed files with 5 additions and 0 deletions
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5
net/bluetooth/smp.c
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@ -387,6 +387,11 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth,
if (!(auth & SMP_AUTH_BONDING) && method == JUST_CFM)
method = JUST_WORKS;
/* Don't confirm locally initiated pairing attempts */
if (method == JUST_CFM && test_bit(SMP_FLAG_INITIATOR,
&smp->smp_flags))
method = JUST_WORKS;
/* If Just Works, Continue with Zero TK */
if (method == JUST_WORKS) {
set_bit(SMP_FLAG_TK_VALID, &smp->smp_flags);