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authorBrian Gix <bgix@codeaurora.org>2011-11-23 20:28:33 +0400
committerGustavo F. Padovan <padovan@profusion.mobi>2011-12-01 17:51:53 +0400
commit604086b73b9b342414a53c0f34dd23aecb005ff8 (patch)
treed378965d8c019f52f957e4dffb00e17cf36ea7ed /net
parentbadaaa00f2122bab4bc2d46c26d6fad6af50f97c (diff)
downloadlinux-604086b73b9b342414a53c0f34dd23aecb005ff8.tar.xz
Bluetooth: Add User Passkey Response handling
For some MITM protection pairing scenarios, the user is required to enter or accept a 6 digit passkey. Signed-off-by: Brian Gix <bgix@codeaurora.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/mgmt.c74
1 files changed, 73 insertions, 1 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index c06a05c09a95..7a23f211d602 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1618,7 +1618,15 @@ static int user_pairing_resp(struct sock *sk, u16 index, bdaddr_t *bdaddr,
}
/* Continue with pairing via HCI */
- err = hci_send_cmd(hdev, hci_op, sizeof(*bdaddr), bdaddr);
+ if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
+ struct hci_cp_user_passkey_reply cp;
+
+ bacpy(&cp.bdaddr, bdaddr);
+ cp.passkey = passkey;
+ err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
+ } else
+ err = hci_send_cmd(hdev, hci_op, sizeof(*bdaddr), bdaddr);
+
if (err < 0)
mgmt_pending_remove(cmd);
@@ -1660,6 +1668,37 @@ static int user_confirm_neg_reply(struct sock *sk, u16 index, void *data,
HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
}
+static int user_passkey_reply(struct sock *sk, u16 index, void *data, u16 len)
+{
+ struct mgmt_cp_user_passkey_reply *cp = (void *) data;
+
+ BT_DBG("");
+
+ if (len != sizeof(*cp))
+ return cmd_status(sk, index, MGMT_OP_USER_PASSKEY_REPLY,
+ EINVAL);
+
+ return user_pairing_resp(sk, index, &cp->bdaddr,
+ MGMT_OP_USER_PASSKEY_REPLY,
+ HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
+}
+
+static int user_passkey_neg_reply(struct sock *sk, u16 index, void *data,
+ u16 len)
+{
+ struct mgmt_cp_user_passkey_neg_reply *cp = (void *) data;
+
+ BT_DBG("");
+
+ if (len != sizeof(*cp))
+ return cmd_status(sk, index, MGMT_OP_USER_PASSKEY_NEG_REPLY,
+ EINVAL);
+
+ return user_pairing_resp(sk, index, &cp->bdaddr,
+ MGMT_OP_USER_PASSKEY_NEG_REPLY,
+ HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
+}
+
static int set_local_name(struct sock *sk, u16 index, unsigned char *data,
u16 len)
{
@@ -2117,6 +2156,13 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
err = user_confirm_neg_reply(sk, index, buf + sizeof(*hdr),
len);
break;
+ case MGMT_OP_USER_PASSKEY_REPLY:
+ err = user_passkey_reply(sk, index, buf + sizeof(*hdr), len);
+ break;
+ case MGMT_OP_USER_PASSKEY_NEG_REPLY:
+ err = user_passkey_neg_reply(sk, index, buf + sizeof(*hdr),
+ len);
+ break;
case MGMT_OP_SET_LOCAL_NAME:
err = set_local_name(sk, index, buf + sizeof(*hdr), len);
break;
@@ -2477,6 +2523,18 @@ int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
NULL);
}
+int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+ struct mgmt_ev_user_passkey_request ev;
+
+ BT_DBG("%s", hdev->name);
+
+ bacpy(&ev.bdaddr, bdaddr);
+
+ return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
+ NULL);
+}
+
static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 status, u8 opcode)
{
@@ -2511,6 +2569,20 @@ int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
MGMT_OP_USER_CONFIRM_NEG_REPLY);
}
+int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 status)
+{
+ return user_pairing_resp_complete(hdev, bdaddr, status,
+ MGMT_OP_USER_PASSKEY_REPLY);
+}
+
+int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 status)
+{
+ return user_pairing_resp_complete(hdev, bdaddr, status,
+ MGMT_OP_USER_PASSKEY_NEG_REPLY);
+}
+
int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status)
{
struct mgmt_ev_auth_failed ev;