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authorJohan Hedberg <johan.hedberg@intel.com>2014-02-22 18:06:32 +0100
committerMarcel Holtmann <marcel@holtmann.org>2014-02-22 18:59:23 +0100
commit863efaf224d24705c0ffdc59f2a0ec68f2d85b4f (patch)
treeb58c8d7eba9defd81c056dcb701435237031fa44 /net
parentBluetooth: Add helper variables to smp_distribute_keys() (diff)
downloadlinux-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>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/smp.c6
1 files changed, 4 insertions, 2 deletions
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);