diff options
Diffstat (limited to 'net/bluetooth/smp.c')
| -rw-r--r-- | net/bluetooth/smp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 6b42be4b5861..4ece170c518e 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -2453,6 +2453,15 @@ static int smp_cmd_encrypt_info(struct l2cap_conn *conn, struct sk_buff *skb) if (skb->len < sizeof(*rp)) return SMP_INVALID_PARAMS; + /* Pairing is aborted if any blocked keys are distributed */ + if (hci_is_blocked_key(conn->hcon->hdev, HCI_BLOCKED_KEY_TYPE_LTK, + rp->ltk)) { + bt_dev_warn_ratelimited(conn->hcon->hdev, + "LTK blocked for %pMR", + &conn->hcon->dst); + return SMP_INVALID_PARAMS; + } + SMP_ALLOW_CMD(smp, SMP_CMD_MASTER_IDENT); skb_pull(skb, sizeof(*rp)); @@ -2509,6 +2518,15 @@ static int smp_cmd_ident_info(struct l2cap_conn *conn, struct sk_buff *skb) if (skb->len < sizeof(*info)) return SMP_INVALID_PARAMS; + /* Pairing is aborted if any blocked keys are distributed */ + if (hci_is_blocked_key(conn->hcon->hdev, HCI_BLOCKED_KEY_TYPE_IRK, + info->irk)) { + bt_dev_warn_ratelimited(conn->hcon->hdev, + "Identity key blocked for %pMR", + &conn->hcon->dst); + return SMP_INVALID_PARAMS; + } + SMP_ALLOW_CMD(smp, SMP_CMD_IDENT_ADDR_INFO); skb_pull(skb, sizeof(*info)); |