public static TestConfiguration InitTest(BlockingAlgorithmOptions options = default(BlockingAlgorithmOptions))
{
if (options == null)
{
options = new BlockingAlgorithmOptions();
}
TestConfiguration configuration = new TestConfiguration();
configuration.MyBlockingAlgorithmOptions = options ?? new BlockingAlgorithmOptions();
MemoryUsageLimiter memoryUsageLimiter = new MemoryUsageLimiter();
BinomialLadderFilter localPasswordBinomialLadderFilter =
new BinomialLadderFilter(options.NumberOfBitsInBinomialLadderFilter_N, options.HeightOfBinomialLadder_H);
configuration.MyAccountFactory = new MemoryOnlyUserAccountFactory();
configuration.MemUserAccountController = new MemoryUserAccountController();
LoginAttemptController <MemoryUserAccount> myLoginAttemptController =
new LoginAttemptController <MemoryUserAccount>(
new MemoryUserAccountControllerFactory(),
configuration.MyAccountFactory,
localPasswordBinomialLadderFilter,
memoryUsageLimiter, configuration.MyBlockingAlgorithmOptions);
configuration.MyLoginAttemptClient = myLoginAttemptController;
return(configuration);
}
public Simulator(DebugLogger logger, string path, ExperimentalConfiguration myExperimentalConfiguration, SimulatedPasswords simPasswords)
{
_simPasswords = simPasswords;
_logger = logger;
_AttackAttemptsWithValidPasswords = //System.IO.TextWriter.Synchronized
(new StreamWriter(new FileStream(path + "AttackAttemptsWithValidPasswords.txt", FileMode.CreateNew, FileAccess.Write)));
_LegitiamteAttemptsWithValidPasswords = //System.IO.TextWriter.Synchronized
(new StreamWriter(new FileStream(path + "LegitiamteAttemptsWithValidPasswords.txt", FileMode.CreateNew, FileAccess.Write)));
_OtherAttempts = //System.IO.TextWriter.Synchronized
(new StreamWriter(new FileStream(path + path + "OtherAttempts.txt", FileMode.CreateNew, FileAccess.Write)));
_logger.WriteStatus("Entered Simulator constructor");
_experimentalConfiguration = myExperimentalConfiguration;
BlockingAlgorithmOptions options = _experimentalConfiguration.BlockingOptions;
_logger.WriteStatus("Creating binomial ladder");
_binomialLadderFilter =
new BinomialLadderFilter(options.NumberOfBitsInBinomialLadderFilter_N, options.HeightOfBinomialLadder_H);
_ipHistoryCache = new SelfLoadingCache <IPAddress, SimIpHistory>(address => new SimIpHistory(options.NumberOfFailuresToTrackForGoingBackInTimeToIdentifyTypos));
_userAccountController = new MemoryUserAccountController();
_memoryUsageLimiter = new MemoryUsageLimiter();
_memoryUsageLimiter.OnReduceMemoryUsageEventHandler += ReduceMemoryUsage;
_recentIncorrectPasswords = new AgingMembershipSketch(16, 128 * 1024);
_logger.WriteStatus("Exiting Simulator constructor");
}
public static TestConfiguration InitTest(BlockingAlgorithmOptions options = default(BlockingAlgorithmOptions))
{
if (options == null)
{
options = new BlockingAlgorithmOptions();
}
TestConfiguration configuration = new TestConfiguration();
configuration.MyBlockingAlgorithmOptions = options ?? new BlockingAlgorithmOptions();
//configuration.MyResponsibleHosts = new MaxWeightHashing<RemoteHost>("FIXME-uniquekeyfromconfig");
//RemoteHost localHost = new RemoteHost { Uri = new Uri("http://localhost:80") };
//configuration.MyResponsibleHosts.Add("localhost", localHost);
//IStableStore stableStore = configuration.StableStore = new MemoryOnlyStableStore();
//configuration.MyLoginAttemptClient = new LoginAttemptClient(configuration.MyResponsibleHosts, localHost);
MemoryUsageLimiter memoryUsageLimiter = new MemoryUsageLimiter();
BinomialLadderFilter localPasswordBinomialLadderFilter =
new BinomialLadderFilter(options.NumberOfBitsInBinomialLadderFilter_N, options.HeightOfBinomialLadder_H);
//MultiperiodFrequencyTracker<string> localPasswordFrequencyTracker =
// new MultiperiodFrequencyTracker<string>(
// options.NumberOfPopularityMeasurementPeriods,
// options.LengthOfShortestPopularityMeasurementPeriod,
// options.FactorOfGrowthBetweenPopularityMeasurementPeriods);
configuration.MyAccountFactory = new MemoryOnlyUserAccountFactory();
configuration.MemUserAccountController = new MemoryUserAccountController();
LoginAttemptController <MemoryUserAccount> myLoginAttemptController =
new LoginAttemptController <MemoryUserAccount>(
new MemoryUserAccountControllerFactory(),
configuration.MyAccountFactory,
localPasswordBinomialLadderFilter,
memoryUsageLimiter, configuration.MyBlockingAlgorithmOptions);
configuration.MyLoginAttemptClient = myLoginAttemptController;
//configuration.MyLoginAttemptClient.SetLocalLoginAttemptController(myLoginAttemptController);
return(configuration);
}
public LoginAttemptController(
IUserAccountControllerFactory <TUserAccount> userAccountControllerFactory,
IUserAccountRepositoryFactory <TUserAccount> userAccountRepositoryFactory,
IBinomialLadderFilter binomialLadderFilter,
MemoryUsageLimiter memoryUsageLimiter,
BlockingAlgorithmOptions blockingOptions
)
{
_options = blockingOptions;
_binomialLadderFilter = binomialLadderFilter;
_userAccountRepositoryFactory = userAccountRepositoryFactory;
_userAccountControllerFactory = userAccountControllerFactory;
_recentIncorrectPasswords = new AgingMembershipSketch(blockingOptions.AgingMembershipSketchTables, blockingOptions.AgingMembershipSketchTableSize);
_ipHistoryCache = new SelfLoadingCache <IPAddress, IpHistory>(address => new IpHistory(address, _options));
memoryUsageLimiter.OnReduceMemoryUsageEventHandler += ReduceMemoryUsage;
}
/// <summary>
/// Construct the controller.
/// </summary>
/// <param name="userAccountControllerFactory">A factory for creating IUserAccountController interfaces for managing user account records.</param>
/// <param name="userAccountRepositoryFactory">A factory for creating IAccountRepository interfaces for obtaining user account records.</param>
/// <param name="binomialLadderFilter">A binomial ladder frequency that the controller should use to track frequently-guessed passwords.</param>
/// <param name="memoryUsageLimiter">A memory usage limiter that the controller should register into so that when memory is tight,
/// the controller can do its part to free up cached items it may not need anymore.</param>
/// <param name="blockingOptions">Configuration options.</param>
public LoginAttemptController(
IUserAccountControllerFactory <TUserAccount> userAccountControllerFactory,
IUserAccountRepositoryFactory <TUserAccount> userAccountRepositoryFactory,
IBinomialLadderFilter binomialLadderFilter,
MemoryUsageLimiter memoryUsageLimiter,
BlockingAlgorithmOptions blockingOptions
)
{
// Copy parameters into the controller.
_options = blockingOptions;
_binomialLadderFilter = binomialLadderFilter;
_userAccountRepositoryFactory = userAccountRepositoryFactory;
_userAccountControllerFactory = userAccountControllerFactory;
// Create a membership sketch to track username/password pairs that have failed.
_recentIncorrectPasswords = new AgingMembershipSketch(blockingOptions.AgingMembershipSketchTables, blockingOptions.AgingMembershipSketchTableSize);
// Create a cache of records storing information about the behavior of IPs that have issued login attempts.
_ipHistoryCache = new SelfLoadingCache <IPAddress, IpHistory>(address => new IpHistory(address, _options));
// When memory is low, the memeory usage limiter should call the ReduceMemoryUsage method of this controller.
memoryUsageLimiter.OnReduceMemoryUsageEventHandler += ReduceMemoryUsage;
}
