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author | Johan Hedberg <johan.hedberg@nokia.com> | 2011-02-19 15:05:57 (GMT) |
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committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-02-21 20:22:44 (GMT) |
commit | a5c296832b4fde7d32c01cff9cdd27d9c7c1c4f5 (patch) | |
tree | 895ae41944ca568f6eca3c7c4855211bd7db8540 /net/bluetooth/mgmt.c | |
parent | e9a416b5ce0c0f93819f55d34cf6882196e9c3b2 (diff) | |
download | linux-fsl-qoriq-a5c296832b4fde7d32c01cff9cdd27d9c7c1c4f5.tar.xz |
Bluetooth: Add management support for user confirmation request
This patch adds support for the user confirmation (numeric comparison)
Secure Simple Pairing authentication method.
Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r-- | net/bluetooth/mgmt.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index d7fc54d..fdcc974 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1193,6 +1193,55 @@ unlock: return err; } +static int user_confirm_reply(struct sock *sk, unsigned char *data, u16 len, + int success) +{ + struct mgmt_cp_user_confirm_reply *cp = (void *) data; + u16 dev_id, mgmt_op, hci_op; + struct pending_cmd *cmd; + struct hci_dev *hdev; + int err; + + BT_DBG(""); + + dev_id = get_unaligned_le16(&cp->index); + + if (success) { + mgmt_op = MGMT_OP_USER_CONFIRM_REPLY; + hci_op = HCI_OP_USER_CONFIRM_REPLY; + } else { + mgmt_op = MGMT_OP_USER_CONFIRM_NEG_REPLY; + hci_op = HCI_OP_USER_CONFIRM_NEG_REPLY; + } + + hdev = hci_dev_get(dev_id); + if (!hdev) + return cmd_status(sk, mgmt_op, ENODEV); + + if (!test_bit(HCI_UP, &hdev->flags)) { + err = cmd_status(sk, mgmt_op, ENETDOWN); + goto failed; + } + + cmd = mgmt_pending_add(sk, mgmt_op, dev_id, data, len); + if (!cmd) { + err = -ENOMEM; + goto failed; + } + + err = hci_send_cmd(hdev, hci_op, sizeof(cp->bdaddr), &cp->bdaddr); + if (err < 0) { + list_del(&cmd->list); + mgmt_pending_free(cmd); + } + +failed: + hci_dev_unlock_bh(hdev); + hci_dev_put(hdev); + + return err; +} + int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) { unsigned char *buf; @@ -1281,6 +1330,12 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) case MGMT_OP_PAIR_DEVICE: err = pair_device(sk, buf + sizeof(*hdr), len); break; + case MGMT_OP_USER_CONFIRM_REPLY: + err = user_confirm_reply(sk, buf + sizeof(*hdr), len, 1); + break; + case MGMT_OP_USER_CONFIRM_NEG_REPLY: + err = user_confirm_reply(sk, buf + sizeof(*hdr), len, 0); + break; default: BT_DBG("Unknown op %u", opcode); err = cmd_status(sk, opcode, 0x01); @@ -1541,3 +1596,51 @@ int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) return err; } + +int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value) +{ + struct mgmt_ev_user_confirm_request ev; + + BT_DBG("hci%u", index); + + put_unaligned_le16(index, &ev.index); + bacpy(&ev.bdaddr, bdaddr); + put_unaligned_le32(value, &ev.value); + + return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, &ev, sizeof(ev), NULL); +} + +static int confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status, + u8 opcode) +{ + struct pending_cmd *cmd; + struct mgmt_rp_user_confirm_reply rp; + int err; + + cmd = mgmt_pending_find(opcode, index); + if (!cmd) + return -ENOENT; + + put_unaligned_le16(index, &rp.index); + bacpy(&rp.bdaddr, bdaddr); + rp.status = status; + err = cmd_complete(cmd->sk, opcode, &rp, sizeof(rp)); + + list_del(&cmd->list); + mgmt_pending_free(cmd); + + return err; +} + +int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) +{ + return confirm_reply_complete(index, bdaddr, status, + MGMT_OP_USER_CONFIRM_REPLY); +} + +int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, + u8 status) +{ + return confirm_reply_complete(index, bdaddr, status, + MGMT_OP_USER_CONFIRM_NEG_REPLY); +} |