From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
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@xxxxxxxxx>
---
net/bluetooth/smp.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 7cb8440811e3..2ab1b3eb2bb7 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -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);
--
1.8.5.3
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