diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2014-02-22 18:06:32 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-02-22 18:59:23 +0100 |
| commit | 863efaf224d24705c0ffdc59f2a0ec68f2d85b4f (patch) | |
| tree | b58c8d7eba9defd81c056dcb701435237031fa44 | |
| parent | Bluetooth: Add helper variables to smp_distribute_keys() (diff) | |
| download | linux-863efaf224d24705c0ffdc59f2a0ec68f2d85b4f.tar.xz linux-863efaf224d24705c0ffdc59f2a0ec68f2d85b4f.zip | |
Bluetooth: Add initial code for distributing local IRK
This code adds a HCI_PRIVACY flag to track whether Privacy support is
enabled (meaning we have a local IRK) and makes sure the IRK is
distributed during SMP key distribution in case this flag is set.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| -rw-r--r-- | include/net/bluetooth/hci.h | 1 | ||||
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 2 | ||||
| -rw-r--r-- | net/bluetooth/smp.c | 6 |
3 files changed, 7 insertions, 2 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index fe4b06bfc150..5ff885ff29df 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -126,6 +126,7 @@ enum { HCI_SSP_ENABLED, HCI_SC_ENABLED, HCI_SC_ONLY, + HCI_PRIVACY, HCI_RPA_RESOLVING, HCI_HS_ENABLED, HCI_LE_ENABLED, diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index c0fcc041fbb5..68bbcabdd9fd 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -303,6 +303,8 @@ struct hci_dev { __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; __u8 scan_rsp_data_len; + __u8 irk[16]; + int (*open)(struct hci_dev *hdev); int (*close)(struct hci_dev *hdev); int (*flush)(struct hci_dev *hdev); diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 6355a460e9d0..8ef50c790b96 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -265,6 +265,9 @@ static void build_pairing_cmd(struct l2cap_conn *conn, if (test_bit(HCI_RPA_RESOLVING, &hdev->dev_flags)) remote_dist |= SMP_DIST_ID_KEY; + if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) + local_dist |= SMP_DIST_ID_KEY; + if (rsp == NULL) { req->io_capability = conn->hcon->io_capability; req->oob_flag = SMP_OOB_NOT_PRESENT; @@ -1189,8 +1192,7 @@ int smp_distribute_keys(struct l2cap_conn *conn, __u8 force) struct smp_cmd_ident_addr_info addrinfo; struct smp_cmd_ident_info idinfo; - /* Send a dummy key */ - get_random_bytes(idinfo.irk, sizeof(idinfo.irk)); + memcpy(idinfo.irk, hdev->irk, sizeof(idinfo.irk)); smp_send_cmd(conn, SMP_CMD_IDENT_INFO, sizeof(idinfo), &idinfo); |