int btd_event_request_pin(bdaddr_t *sba, bdaddr_t *dba)
{
struct btd_adapter *adapter;
struct btd_device *device;
char pin[17];
int pinlen;
if (!get_adapter_and_device(sba, dba, &adapter, &device, TRUE))
return -ENODEV;
memset(pin, 0, sizeof(pin));
pinlen = read_pin_code(sba, dba, pin);
if (pinlen > 0) {
btd_adapter_pincode_reply(adapter, dba, pin);
return 0;
}
return device_request_authentication(device, AUTH_TYPE_PINCODE, 0,
pincode_cb);
}
int btd_event_user_confirm(bdaddr_t *sba, bdaddr_t *dba, uint32_t passkey)
{
struct btd_adapter *adapter;
struct btd_device *device;
struct agent *agent;
uint8_t rem_cap, rem_auth, loc_cap, loc_auth;
gboolean bonding_initiator;
if (!get_adapter_and_device(sba, dba, &adapter, &device, TRUE))
return -ENODEV;
if (btd_adapter_get_auth_info(adapter, dba, &loc_auth) < 0) {
error("Unable to get local authentication requirements");
goto fail;
}
agent = device_get_agent(device);
if (agent == NULL) {
error("No agent available for user confirmation");
goto fail;
}
loc_cap = agent_get_io_capability(agent);
DBG("confirm IO capabilities are 0x%02x", loc_cap);
DBG("confirm authentication requirement is 0x%02x", loc_auth);
rem_cap = device_get_cap(device);
rem_auth = device_get_auth(device);
DBG("remote IO capabilities are 0x%02x", rem_cap);
DBG("remote authentication requirement is 0x%02x", rem_auth);
/* If we require MITM but the remote device can't provide that
* (it has NoInputNoOutput) then reject the confirmation
* request. The only exception is when we're dedicated bonding
* initiators since then we always have the MITM bit set. */
bonding_initiator = device_is_bonding(device, NULL);
if (!bonding_initiator && (loc_auth & 0x01) && rem_cap == 0x03) {
error("Rejecting request: remote device can't provide MITM");
goto fail;
}
/* If no side requires MITM protection; auto-accept */
if ((loc_auth == 0xff || !(loc_auth & 0x01) || rem_cap == 0x03) &&
(!(rem_auth & 0x01) || loc_cap == 0x03)) {
DBG("auto accept of confirmation");
/* Wait 5 milliseconds before doing auto-accept */
usleep(5000);
if (confirm_reply(adapter, device, TRUE) < 0)
return -EIO;
return device_request_authentication(device, AUTH_TYPE_AUTO,
0, NULL);
}
return device_request_authentication(device, AUTH_TYPE_CONFIRM,
passkey, confirm_cb);
fail:
return confirm_reply(adapter, device, FALSE);
}
