diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2015-03-16 11:45:43 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2015-03-16 17:16:45 +0100 |
| commit | 882fafad71a4bac8e8a2445dfb08c38a71b4eef1 (patch) | |
| tree | c077fd85428f65fc858f124eb5d576670dc99b92 | |
| parent | 8e4e2ee5d80875177e03d57b807e0784f3d91e0e (diff) | |
| download | blackbird-obmc-linux-882fafad71a4bac8e8a2445dfb08c38a71b4eef1.tar.gz blackbird-obmc-linux-882fafad71a4bac8e8a2445dfb08c38a71b4eef1.zip | |
Bluetooth: Fix local OOB data handling for SMP
We need to store the local ra/rb value in order to verify the Check
value received from the remote. This patch adds a new 'lr' for the local
ra/rb value and makes sure it gets used when verifying the DHKey Check
PDU received from the remote.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| -rw-r--r-- | net/bluetooth/smp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index f0c5c2827372..1cc15de6ff1e 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -95,7 +95,8 @@ struct smp_chan { u8 rrnd[16]; /* SMP Pairing Random (remote) */ u8 pcnf[16]; /* SMP Pairing Confirm */ u8 tk[16]; /* SMP Temporary Key */ - u8 rr[16]; + u8 rr[16]; /* Remote OOB ra/rb value */ + u8 lr[16]; /* Local OOB ra/rb value */ u8 enc_key_size; u8 remote_key_dist; bdaddr_t id_addr; @@ -1830,7 +1831,7 @@ static u8 sc_send_public_key(struct smp_chan *smp) memcpy(smp->local_pk, smp_dev->local_pk, 64); memcpy(smp->local_sk, smp_dev->local_sk, 32); - memcpy(smp->rr, smp_dev->local_rr, 16); + memcpy(smp->lr, smp_dev->local_rr, 16); if (smp_dev->debug_key) set_bit(SMP_FLAG_DEBUG_KEY, &smp->flags); @@ -2634,6 +2635,8 @@ static int smp_cmd_dhkey_check(struct l2cap_conn *conn, struct sk_buff *skb) if (smp->method == REQ_PASSKEY || smp->method == DSP_PASSKEY) put_unaligned_le32(hcon->passkey_notify, r); + else if (smp->method == REQ_OOB) + memcpy(r, smp->lr, 16); err = smp_f6(smp->tfm_cmac, smp->mackey, smp->rrnd, smp->prnd, r, io_cap, remote_addr, local_addr, e); |
