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Bluetooth: Track SMP keys in the SMP context 

As preparation to do mgmt notification in a single place at the end of
the key distribution, store the keys that need to be notified within the
SMP context.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-02-19 14:57:46 +02:00 committed by Marcel Holtmann
parent ba74b666b5
commit 23d0e128e3
2 changed files with 16 additions and 8 deletions
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21
net/bluetooth/smp.c
View File

@ -915,6 +915,7 @@ static int smp_cmd_master_ident(struct l2cap_conn *conn, struct sk_buff *skb)
struct smp_chan *smp = conn->smp_chan;
struct hci_dev *hdev = conn->hcon->hdev;
struct hci_conn *hcon = conn->hcon;
struct smp_ltk *ltk;
u8 authenticated;
BT_DBG("conn %p", conn);
@ -930,9 +931,10 @@ static int smp_cmd_master_ident(struct l2cap_conn *conn, struct sk_buff *skb)
hci_dev_lock(hdev);
authenticated = (hcon->sec_level == BT_SECURITY_HIGH);
hci_add_ltk(hdev, &hcon->dst, hcon->dst_type, HCI_SMP_LTK, 1,
authenticated, smp->tk, smp->enc_key_size,
rp->ediv, rp->rand);
ltk = hci_add_ltk(hdev, &hcon->dst, hcon->dst_type, HCI_SMP_LTK, 1,
authenticated, smp->tk, smp->enc_key_size,
rp->ediv, rp->rand);
smp->ltk = ltk;
if (!(smp->remote_key_dist & SMP_DIST_ID_KEY))
smp_distribute_keys(conn, 1);
hci_dev_unlock(hdev);
@ -988,8 +990,8 @@ static int smp_cmd_ident_addr_info(struct l2cap_conn *conn,
else
bacpy(&rpa, BDADDR_ANY);
hci_add_irk(conn->hcon->hdev, &smp->id_addr, smp->id_addr_type,
smp->irk, &rpa);
smp->remote_irk = hci_add_irk(conn->hcon->hdev, &smp->id_addr,
smp->id_addr_type, smp->irk, &rpa);
/* Track the connection based on the Identity Address from now on */
bacpy(&hcon->dst, &smp->id_addr);
@ -1137,6 +1139,7 @@ int smp_distribute_keys(struct l2cap_conn *conn, __u8 force)
struct smp_cmd_encrypt_info enc;
struct smp_cmd_master_ident ident;
struct hci_conn *hcon = conn->hcon;
struct smp_ltk *ltk;
u8 authenticated;
__le16 ediv;
@ -1147,9 +1150,11 @@ int smp_distribute_keys(struct l2cap_conn *conn, __u8 force)
smp_send_cmd(conn, SMP_CMD_ENCRYPT_INFO, sizeof(enc), &enc);
authenticated = hcon->sec_level == BT_SECURITY_HIGH;
hci_add_ltk(hcon->hdev, &hcon->dst, hcon->dst_type,
HCI_SMP_LTK_SLAVE, 1, authenticated,
enc.ltk, smp->enc_key_size, ediv, ident.rand);
ltk = hci_add_ltk(hcon->hdev, &hcon->dst, hcon->dst_type,
HCI_SMP_LTK_SLAVE, 1, authenticated,
enc.ltk, smp->enc_key_size, ediv,
ident.rand);
smp->slave_ltk = ltk;
ident.ediv = ediv;

3
net/bluetooth/smp.h
View File

@ -133,6 +133,9 @@ struct smp_chan {
bdaddr_t id_addr;
u8 id_addr_type;
u8 irk[16];
struct smp_ltk *ltk;
struct smp_ltk *slave_ltk;
struct smp_irk *remote_irk;
unsigned long smp_flags;
struct work_struct confirm;
struct work_struct random;