/*******************************************************************************
**
** Function hidh_sec_check_complete_orig
**
** Description This function checks to see if security procedures are being
** carried out or not..
**
** Returns void
**
*******************************************************************************/
void hidh_sec_check_complete_orig (BD_ADDR bd_addr, void *p_ref_data, UINT8 res)
{
tHID_HOST_DEV_CTB *p_dev = (tHID_HOST_DEV_CTB *) p_ref_data;
UINT8 dhandle;
#if (HID_HOST_MAX_CONN_RETRY > 0)
UINT32 cb_res = HID_ERR_AUTH_FAILED;
#endif
UINT32 reason;
dhandle = ((UINT32)p_dev - (UINT32)&(hh_cb.devices[0]))/ sizeof(tHID_HOST_DEV_CTB);
if( res == BTM_SUCCESS && p_dev->conn.conn_state == HID_CONN_STATE_SECURITY )
{
HIDH_TRACE_EVENT0 ("HID-Host Originator security pass.");
p_dev->conn.disc_reason = HID_SUCCESS; /* Authentication passed. Reset disc_reason (from HID_ERR_AUTH_FAILED) */
/* Check if L2CAP started the connection process for interrupt channel */
if ((p_dev->conn.intr_cid = L2CA_ConnectReq (HID_PSM_INTERRUPT, hh_cb.devices[dhandle].addr)) == 0)
{
HIDH_TRACE_WARNING0 ("HID-Host INTR Originate failed");
reason = HID_L2CAP_REQ_FAIL ;
hidh_conn_disconnect (dhandle);
hh_cb.callback( dhandle, hh_cb.devices[dhandle].addr, HID_HDEV_EVT_CLOSE, reason, NULL ) ;
return;
}
else
{
/* Transition to the next appropriate state, waiting for connection confirm on control channel. */
p_dev->conn.conn_state = HID_CONN_STATE_CONNECTING_INTR;
}
}
if( res != BTM_SUCCESS && p_dev->conn.conn_state == HID_CONN_STATE_SECURITY )
{
#if (HID_HOST_MAX_CONN_RETRY > 0)
if( res == BTM_DEVICE_TIMEOUT )
{
if( p_dev->conn_tries <= HID_HOST_MAX_CONN_RETRY )
{
hidh_conn_retry (dhandle);
return;
}
else
cb_res = HID_L2CAP_CONN_FAIL | HCI_ERR_PAGE_TIMEOUT ;
}
#endif
p_dev->conn.disc_reason = HID_ERR_AUTH_FAILED; /* Save reason for disconnecting */
hidh_conn_disconnect(dhandle);
}
}
/*******************************************************************************
**
** Function hidh_sec_check_complete_orig
**
** Description This function checks to see if security procedures are being
** carried out or not..
**
** Returns void
**
*******************************************************************************/
void hidh_sec_check_complete_orig (BD_ADDR bd_addr, tBT_TRANSPORT transport, void *p_ref_data, UINT8 res)
{
tHID_HOST_DEV_CTB *p_dev = (tHID_HOST_DEV_CTB *) p_ref_data;
UINT8 dhandle;
UNUSED(bd_addr);
UNUSED (transport);
// TODO(armansito): This kind of math to determine a device handle is way
// too dirty and unnecessary. Why can't |p_dev| store it's handle?
dhandle = (PTR_TO_UINT(p_dev) - PTR_TO_UINT(&(hh_cb.devices[0])))/ sizeof(tHID_HOST_DEV_CTB);
if( res == BTM_SUCCESS && p_dev->conn.conn_state == HID_CONN_STATE_SECURITY )
{
HIDH_TRACE_EVENT ("HID-Host Originator security pass.");
p_dev->conn.disc_reason = HID_SUCCESS; /* Authentication passed. Reset disc_reason (from HID_ERR_AUTH_FAILED) */
/* Transition to the next appropriate state, configuration */
p_dev->conn.conn_state = HID_CONN_STATE_CONFIG;
L2CA_ConfigReq (p_dev->conn.ctrl_cid, &hh_cb.l2cap_cfg);
HIDH_TRACE_EVENT ("HID-Host Got Control conn cnf, sent cfg req, CID: 0x%x", p_dev->conn.ctrl_cid);
}
if( res != BTM_SUCCESS && p_dev->conn.conn_state == HID_CONN_STATE_SECURITY )
{
#if (HID_HOST_MAX_CONN_RETRY > 0)
if( res == BTM_DEVICE_TIMEOUT )
{
if( p_dev->conn_tries <= HID_HOST_MAX_CONN_RETRY )
{
hidh_conn_retry (dhandle);
return;
}
}
#endif
p_dev->conn.disc_reason = HID_ERR_AUTH_FAILED; /* Save reason for disconnecting */
hidh_conn_disconnect(dhandle);
}
}
/*******************************************************************************
**
** Function hidh_l2cif_connect_cfm
**
** Description This function handles the connect confirm events
** from L2CAP. This is the case when we are acting as a
** client and have sent a connect request.
**
** Returns void
**
*******************************************************************************/
static void hidh_l2cif_connect_cfm (UINT16 l2cap_cid, UINT16 result)
{
UINT8 dhandle;
tHID_CONN *p_hcon = NULL;
UINT32 reason;
tHID_HOST_DEV_CTB *p_dev = NULL;
/* Find CCB based on CID, and verify we are in a state to accept this message */
if( (dhandle = find_conn_by_cid(l2cap_cid)) < HID_HOST_MAX_DEVICES )
{
p_dev = &hh_cb.devices[dhandle];
p_hcon = &hh_cb.devices[dhandle].conn;
}
if ((p_hcon == NULL)
|| (!(p_hcon->conn_flags & HID_CONN_FLAGS_IS_ORIG))
|| ((l2cap_cid == p_hcon->ctrl_cid) && (p_hcon->conn_state != HID_CONN_STATE_CONNECTING_CTRL))
|| ((l2cap_cid == p_hcon->intr_cid) && (p_hcon->conn_state != HID_CONN_STATE_CONNECTING_INTR)
&& (p_hcon->conn_state != HID_CONN_STATE_DISCONNECTING)))
{
HIDH_TRACE_WARNING ("HID-Host Rcvd unexpected conn cnf, CID 0x%x ", l2cap_cid);
return;
}
if (result != L2CAP_CONN_OK)
{
if (l2cap_cid == p_hcon->ctrl_cid)
p_hcon->ctrl_cid = 0;
else
p_hcon->intr_cid = 0;
hidh_conn_disconnect(dhandle);
#if (HID_HOST_MAX_CONN_RETRY > 0)
if( (hh_cb.devices[dhandle].conn_tries <= HID_HOST_MAX_CONN_RETRY) &&
(result == HCI_ERR_CONNECTION_TOUT || result == HCI_ERR_UNSPECIFIED ||
result == HCI_ERR_PAGE_TIMEOUT) )
{
hidh_conn_retry(dhandle);
}
else
#endif
{
reason = HID_L2CAP_CONN_FAIL | (UINT32) result ;
HIDH_TRACE_WARNING ("HID-Host: l2cap connect failed, reason = %d", reason);
hh_cb.callback( dhandle, hh_cb.devices[dhandle].addr, HID_HDEV_EVT_CLOSE, reason, NULL ) ;
}
return;
}
/* receive Control Channel connect confirmation */
if (l2cap_cid == p_hcon->ctrl_cid)
{
/* check security requirement */
p_hcon->conn_state = HID_CONN_STATE_SECURITY;
p_hcon->disc_reason = HID_L2CAP_CONN_FAIL; /* In case disconnection occurs before security is completed, then set CLOSE_EVT reason code to "connection failure" */
if (!interop_addr_match(INTEROP_DISABLE_AUTH_FOR_HID_POINTING, (bt_bdaddr_t *)p_dev->addr))
{
btm_sec_mx_access_request (p_dev->addr, HID_PSM_CONTROL,
TRUE, BTM_SEC_PROTO_HID,
(p_dev->attr_mask & HID_SEC_REQUIRED) ? HID_SEC_CHN : HID_NOSEC_CHN,
&hidh_sec_check_complete_orig, p_dev);
}
else
{
/* device is blacklisted, don't perform authentication */
hidh_sec_check_complete_orig(p_dev->addr, BT_TRANSPORT_BR_EDR,
p_dev, BTM_SUCCESS);
}
}
else
{
p_hcon->conn_state = HID_CONN_STATE_CONFIG;
/* Send a Configuration Request. */
L2CA_ConfigReq (l2cap_cid, &hh_cb.l2cap_cfg);
HIDH_TRACE_EVENT ("HID-Host got Interrupt conn cnf, sent cfg req, CID: 0x%x", l2cap_cid);
}
return;
}
