/// <summary>
/// Intiates pairing for a remote device
/// with SSP if it is available.
/// </summary>
/// -
/// <param name="device">Remote device with which to pair.</param>
/// <param name="authenticationRequirement">
/// Note: not supported by all platforms.
/// </param>
/// -
/// <returns>Whether the operation was successful.</returns>
bool /*IBluetoothSecurity.*/ PairRequest(BluetoothAddress device,
BluetoothAuthenticationRequirements authenticationRequirement)
{
#if NETCF
return(((IBluetoothSecurity)this).PairRequest(device, null));
#else
if (device == null)
{
throw new ArgumentNullException("device");
}
if (device.ToInt64() == 0)
{
throw new ArgumentNullException("device", "A non-blank address must be specified.");
}
//use other constructor to ensure struct size is set
BLUETOOTH_DEVICE_INFO bdi = new BLUETOOTH_DEVICE_INFO(device.ToInt64());
byte[] btOobData = null;
int result = NativeMethods.BluetoothAuthenticateDeviceEx(IntPtr.Zero, IntPtr.Zero,
ref bdi, btOobData, authenticationRequirement);
if (result != 0)
{
//determine error cause from "result"...
// ERROR_INVALID_PARAMETER 87
// WAIT_TIMEOUT 258
// ERROR_NOT_AUTHENTICATED 1244
Debug.WriteLine("PairRequest/BADEx failed with: " + result);
return(false);
}
return(true);
#endif
}
private void ShutupCompiler()
{
this.deviceInfo = new BLUETOOTH_DEVICE_INFO();
this.authenticationMethod = BluetoothAuthenticationMethod.Legacy;
this.ioCapability = BluetoothIoCapability.Undefined;
this.authenticationRequirements = BluetoothAuthenticationRequirements.MITMProtectionNotDefined;
this.Numeric_Value_Passkey = 0;
}
internal BluetoothAuthenticationEventArgs(BLUETOOTH_DEVICE_INFO device,
ref BLUETOOTH_AUTHENTICATION_CALLBACK_PARAMS?authCallbackParams)
: this(device)
{
_authMethod = authCallbackParams.Value.authenticationMethod;
_authReq = authCallbackParams.Value.authenticationRequirements;
_authIoCapa = authCallbackParams.Value.ioCapability;
const uint MaxSixDigitDecimal = 999999;
Debug.Assert(authCallbackParams.Value.Numeric_Value_Passkey <= MaxSixDigitDecimal);
_numberOrPasskey = checked ((int)authCallbackParams.Value.Numeric_Value_Passkey);
}
/// <summary>
/// Initialize an instance of <see cref="T:InTheHand.Net.Bluetooth.BluetoothWin32AuthenticationEventArgs"/>.
/// </summary>
/// -
/// <param name="device">The device information to store in the event args.
/// </param>
public BluetoothAuthenticationEventArgs(BluetoothDeviceInfo device)
{
if (device == null)
{
throw new ArgumentNullException("device");
}
m_device = device;
_authMethod = BluetoothAuthenticationMethod.Legacy;
_authReq = BluetoothAuthenticationRequirements.MITMProtectionNotDefined;
_authIoCapa = BluetoothIoCapability.Undefined;
_numberOrPasskey = null; // Keep compiler happy on CF2 build.
}
internal BluetoothAuthenticationEventArgs(int errorCode, BluetoothAuthenticationEventArgs previousEa)
{
if (previousEa == null)
{
throw new ArgumentNullException("previousEa");
}
m_device = previousEa.Device;
_authIoCapa = previousEa._authIoCapa;
_authMethod = previousEa._authMethod;
_authReq = previousEa._authReq;
_numberOrPasskey = previousEa._numberOrPasskey;
m_attemptNumber = previousEa.AttemptNumber + 1;
//
m_errorCode = errorCode;
}
//----
void DoTestSsbProps(BluetoothAuthenticationMethod am, BluetoothAuthenticationRequirements req,
BluetoothIoCapability ioCapa, bool?expectedJustWorksValue)
{
var cbParams = new BLUETOOTH_AUTHENTICATION_CALLBACK_PARAMS();
cbParams.authenticationMethod = am;
cbParams.authenticationRequirements = req;
cbParams.ioCapability = ioCapa;
var e = Create_EA(cbParams);
//
Assert.AreEqual(am, e.AuthenticationMethod, "am");
Assert.AreEqual(req, e.AuthenticationRequirements, "req");
Assert.AreEqual(ioCapa, e.IoCapability, "ioCapa");
Assert.AreEqual(expectedJustWorksValue, e.JustWorksNumericComparison, "jw");
}
public static int AuthDeviceExFakeOob(BluetoothAddress device, byte[] oobData)
{
var bdi = new BLUETOOTH_DEVICE_INFO(device.ToInt64());
//
IntPtr hwndParent = IntPtr.Zero;
IntPtr hRadio = IntPtr.Zero;
BluetoothAuthenticationRequirements authReq
= BluetoothAuthenticationRequirements.MITMProtectionNotRequired;
var result = NativeMethods.BluetoothAuthenticateDeviceEx(hwndParent,
hRadio, ref bdi, oobData, authReq);
if (result != 0)
{
//determine error cause from "result"...
// ERROR_INVALID_PARAMETER 87
// WAIT_TIMEOUT 258
// ERROR_NOT_AUTHENTICATED 1244
// E_FAIL 0x80004005
//<--return false;
}
//<--return true;
return(result);
}
internal static extern int BluetoothAuthenticateDeviceEx(IntPtr hwndParentIn, IntPtr hRadioIn, ref BLUETOOTH_DEVICE_INFO pbtdiInout, byte[] pbtOobData, BluetoothAuthenticationRequirements authenticationRequirement);