protected virtual void SendCertificateMessage(Certificate certificate)
{
if (certificate == null)
{
certificate = Certificate.EmptyChain;
}
if (certificate.IsEmpty)
{
TlsContext context = Context;
if (!context.IsServer)
{
ProtocolVersion serverVersion = Context.ServerVersion;
if (serverVersion.IsSsl)
{
string message = serverVersion.ToString() + " client didn't provide credentials";
RaiseWarning(41, message);
return;
}
}
}
HandshakeMessage handshakeMessage = new HandshakeMessage(11);
certificate.Encode(handshakeMessage);
handshakeMessage.WriteToRecordStream(this);
}
internal static UriIdentifier GetDirectedIdentityUrl(Scenarios scenario, ProtocolVersion providerVersion, bool useSsl)
{
return(new UriIdentifier(GetFullUrl("/" + directedIdentityPage, new Dictionary <string, string> {
{ "user", scenario.ToString() },
{ "version", providerVersion.ToString() },
}, useSsl)));
}
private static void AddVersionTests(IList testSuite, ProtocolVersion version)
{
string prefix = version.ToString()
.Replace(" ", "")
.Replace("\\", "")
.Replace(".", "")
+ "_";
/*
* NOTE: Temporarily disabled automatic test runs because of problems getting a clean exit
* of the DTLS server after a fatal alert. As of writing, manual runs show the correct
* alerts being raised
*/
//{
// TlsTestConfig c = CreateDtlsTestConfig(version);
// c.clientAuth = C.CLIENT_AUTH_INVALID_VERIFY;
// c.ExpectServerFatalAlert(AlertDescription.decrypt_error);
// testSuite.Add(new TestCaseData(c).SetName(prefix + "BadCertificateVerify"));
//}
//{
// TlsTestConfig c = CreateDtlsTestConfig(version);
// c.clientAuth = C.CLIENT_AUTH_INVALID_CERT;
// c.ExpectServerFatalAlert(AlertDescription.bad_certificate);
// testSuite.Add(new TestCaseData(c).SetName(prefix + "BadClientCertificate"));
//}
//{
// TlsTestConfig c = CreateDtlsTestConfig(version);
// c.clientAuth = C.CLIENT_AUTH_NONE;
// c.serverCertReq = C.SERVER_CERT_REQ_MANDATORY;
// c.ExpectServerFatalAlert(AlertDescription.handshake_failure);
// testSuite.Add(new TestCaseData(c).SetName(prefix + "BadMandatoryCertReqDeclined"));
//}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodDefault"));
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.serverCertReq = C.SERVER_CERT_REQ_NONE;
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodNoCertReq"));
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_NONE;
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodOptionalCertReqDeclined"));
}
}
private static void AddVersionTests(IList testSuite, ProtocolVersion version)
{
string prefix = version.ToString()
.Replace(" ", "")
.Replace("\\", "")
.Replace(".", "")
+ "_";
/*
* NOTE: Temporarily disabled automatic test runs because of problems getting a clean exit
* of the DTLS server after a fatal alert. As of writing, manual runs show the correct
* alerts being raised
*/
//{
// TlsTestConfig c = CreateDtlsTestConfig(version);
// c.clientAuth = C.CLIENT_AUTH_INVALID_VERIFY;
// c.ExpectServerFatalAlert(AlertDescription.decrypt_error);
// testSuite.Add(new TestCaseData(c).SetName(prefix + "BadCertificateVerify"));
//}
//{
// TlsTestConfig c = CreateDtlsTestConfig(version);
// c.clientAuth = C.CLIENT_AUTH_INVALID_CERT;
// c.ExpectServerFatalAlert(AlertDescription.bad_certificate);
// testSuite.Add(new TestCaseData(c).SetName(prefix + "BadClientCertificate"));
//}
//{
// TlsTestConfig c = CreateDtlsTestConfig(version);
// c.clientAuth = C.CLIENT_AUTH_NONE;
// c.serverCertReq = C.SERVER_CERT_REQ_MANDATORY;
// c.ExpectServerFatalAlert(AlertDescription.handshake_failure);
// testSuite.Add(new TestCaseData(c).SetName(prefix + "BadMandatoryCertReqDeclined"));
//}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodDefault"));
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.serverCertReq = C.SERVER_CERT_REQ_NONE;
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodNoCertReq"));
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_NONE;
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodOptionalCertReqDeclined"));
}
}
public override string ToString()
{
string ret = "";
ret += "ClientHello: " + ClientVersion.ToString() + "\n";
ret += "Cipher suites: " + CipherSuites.Count + "\n";
ret += "Compression methods: " + CompressionMethods.Count;
return(ret);
}
private static MqttProtocolVersion UnwrapProtocolVersion(ProtocolVersion protocolVersion)
{
switch (protocolVersion)
{
case ProtocolVersion.ver310: return(MqttProtocolVersion.V310);
case ProtocolVersion.ver311: return(MqttProtocolVersion.V311);
default: throw new ArgumentException(protocolVersion.ToString());
}
}
private static void AddVersionTests(IList testSuite, ProtocolVersion version)
{
string prefix = version.ToString()
.Replace(" ", "")
.Replace("\\", "")
.Replace(".", "")
+ "_";
{
TlsTestConfig c = CreateTlsTestConfig(version);
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodDefault"));
}
{
TlsTestConfig c = CreateTlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_INVALID_VERIFY;
c.ExpectServerFatalAlert(AlertDescription.decrypt_error);
testSuite.Add(new TestCaseData(c).SetName(prefix + "BadCertificateVerify"));
}
{
TlsTestConfig c = CreateTlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_INVALID_CERT;
c.ExpectServerFatalAlert(AlertDescription.bad_certificate);
testSuite.Add(new TestCaseData(c).SetName(prefix + "BadClientCertificate"));
}
{
TlsTestConfig c = CreateTlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_NONE;
c.serverCertReq = C.SERVER_CERT_REQ_MANDATORY;
c.ExpectServerFatalAlert(AlertDescription.handshake_failure);
testSuite.Add(new TestCaseData(c).SetName(prefix + "BadMandatoryCertReqDeclined"));
}
{
TlsTestConfig c = CreateTlsTestConfig(version);
c.serverCertReq = C.SERVER_CERT_REQ_NONE;
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodNoCertReq"));
}
{
TlsTestConfig c = CreateTlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_NONE;
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodOptionalCertReqDeclined"));
}
}
private static void AddVersionTests(IList testSuite, ProtocolVersion version)
{
string prefix = version.ToString()
.Replace(" ", "")
.Replace("\\", "")
.Replace(".", "")
+ "_";
{
TlsTestConfig c = CreateTlsTestConfig(version);
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodDefault"));
}
{
TlsTestConfig c = CreateTlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_INVALID_VERIFY;
c.ExpectServerFatalAlert(AlertDescription.decrypt_error);
testSuite.Add(new TestCaseData(c).SetName(prefix + "BadCertificateVerify"));
}
{
TlsTestConfig c = CreateTlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_INVALID_CERT;
c.ExpectServerFatalAlert(AlertDescription.bad_certificate);
testSuite.Add(new TestCaseData(c).SetName(prefix + "BadClientCertificate"));
}
{
TlsTestConfig c = CreateTlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_NONE;
c.serverCertReq = C.SERVER_CERT_REQ_MANDATORY;
c.ExpectServerFatalAlert(AlertDescription.handshake_failure);
testSuite.Add(new TestCaseData(c).SetName(prefix + "BadMandatoryCertReqDeclined"));
}
{
TlsTestConfig c = CreateTlsTestConfig(version);
c.serverCertReq = C.SERVER_CERT_REQ_NONE;
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodNoCertReq"));
}
{
TlsTestConfig c = CreateTlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_NONE;
testSuite.Add(new TestCaseData(c).SetName(prefix + "GoodOptionalCertReqDeclined"));
}
}
public async ValueTask <Dictionary <string, string> > HelloAsync(CancellationToken token)
{
if (_isPubSubMode)
{
throw new InvalidOperationException("Cannot send command in PubSub mode");
}
string cmd = PackageCommand("HELLO", ProtocolVersion.ToString());
int bytesReceived = await SendCommandAsync(cmd, token);
List <DataType> result = await _parser.ParseAsync(bytesReceived, token);
return(ParseDictionaryResponse(result));
}
public override string ToString()
{
var queryBuilder = new StringBuilder(512);
queryBuilder.AppendFormat("{0} {1} RTSP/{2}\r\n", Method, ConnectionUri, ProtocolVersion.ToString(2));
queryBuilder.AppendFormat("CSeq: {0}\r\n", CSeq);
if (!string.IsNullOrEmpty(UserAgent))
{
queryBuilder.AppendFormat("User-Agent: {0}\r\n", UserAgent);
}
foreach (string headerName in Headers.AllKeys)
{
queryBuilder.AppendFormat("{0}: {1}\r\n", headerName, Headers[headerName]);
}
queryBuilder.Append("\r\n");
return(queryBuilder.ToString());
}
public string CreateData()
{
var dataItems = DataItems.ToArray();
var stringBuilder = new StringBuilder();
stringBuilder.Append(ProtocolVersion.ToString(CultureInfo));
stringBuilder.Append("|");
stringBuilder.Append(ID.ToString(CultureInfo));
stringBuilder.Append("|");
stringBuilder.Append(Origin.ToString(CultureInfo));
if (dataItems.Length == 0)
{
stringBuilder.Append("|0|");
return(stringBuilder.ToString());
}
stringBuilder.Append("|");
stringBuilder.Append(dataItems.Length.ToString(CultureInfo));
stringBuilder.Append("|0|");
var num = 0;
for (var i = 0; i < dataItems.Length - 1; i++)
{
num += dataItems[i].Length;
stringBuilder.Append(num);
stringBuilder.Append("|");
}
foreach (var dataItem in dataItems)
{
stringBuilder.Append(dataItem);
}
return(stringBuilder.ToString());
}
public void WriteTo(NetBinaryWriter writer)
{
bool isBeta = IsBeta;
void WriteField(string value, bool delimit = true)
{
writer.WriteRaw(value);
if (delimit)
{
writer.Write((short)(isBeta ? '§' : 0)); // null char delimeter
}
}
writer.Write((byte)0xff);
writer.Write((short)0); // reserved space for message length
long startPos = writer.Position;
if (!isBeta)
{
WriteField("§1");
WriteField(ProtocolVersion.ToString());
WriteField(MinecraftVersion.ToString());
}
WriteField(MessageOfTheDay.ToString());
WriteField(CurrentPlayerCount.ToString());
WriteField(MaxPlayers.ToString(), delimit: false);
int byteLength = (int)(writer.Position - startPos);
int reservedSpaceOffset = (int)(startPos - sizeof(short));
long endPosition = writer.Position;
writer.Seek(reservedSpaceOffset, SeekOrigin.Begin);
writer.Write((short)(byteLength / sizeof(char)));
writer.Seek((int)endPosition, SeekOrigin.Begin);
}
/// <summary>Builds rfc-5424 compatible message</summary>
/// <param name="logEvent">The NLog.LogEventInfo</param>
/// <param name="facility">Syslog Facility to transmit message from</param>
/// <param name="severity">Syslog severity level</param>
/// <param name="body">Message text</param>
/// <returns>Byte array containing formatted syslog message</returns>
private byte[] BuildSyslogMessage5424(LogEventInfo logEvent, SyslogFacility facility, SyslogSeverity severity, string body)
{
// Calculate PRI field
var priority = CalculatePriorityValue(facility, severity).ToString(CultureInfo.InvariantCulture);
var version = ProtocolVersion.ToString(CultureInfo.InvariantCulture);
var time = logEvent.TimeStamp.ToString("o");
// Get sender machine name
var machine = Left(MachineName.Render(logEvent), 255);
var sender = Left(Sender.Render(logEvent), 48);
var procId = Left(ProcId.Render(logEvent), 128);
var msgId = Left(MsgId.Render(logEvent), 32);
var headerData = Encoding.ASCII.GetBytes($"<{priority}>{version} {time} {machine} {sender} {procId} {msgId} ");
var structuredData = Encoding.UTF8.GetBytes(StructuredData.Render(logEvent) + " ");
var messageData = Encoding.UTF8.GetBytes(body);
var allData = new List <byte>(headerData.Length + structuredData.Length + _bom.Length + messageData.Length);
allData.AddRange(headerData);
allData.AddRange(structuredData);
allData.AddRange(_bom);
allData.AddRange(messageData);
return(allData.ToArray());
}
//--- Auth ---\\
public AniDBRequest Auth(string user, string pass, bool nat = false,
bool comp = false, int mtu = 0, bool imgServer = false)
{
var parValues =
new Dictionary <string, string>
{
{ "user", user },
{ "pass", pass },
{ "protover", ProtocolVersion.ToString(CultureInfo.InvariantCulture) },
{ "client", ClientName },
{ "clientver", ClientVer.ToString(CultureInfo.InvariantCulture) },
};
if (nat)
{
parValues.Add("nat", "1");
}
if (comp)
{
parValues.Add("comp", "1");
}
if (_encoding != null)
{
parValues.Add("enc", _encoding.WebName);
}
if (mtu > 0)
{
parValues.Add("mtu", mtu.ToString(CultureInfo.InvariantCulture));
}
if (imgServer)
{
parValues.Add("imgserver", "1");
}
return(QueueCommand("AUTH", parValues));
}
public override string ToString()
{
return($"ClientHello: {ClientVersion.ToString()}, {CipherSuites.Count} cipher suites, {CompressionMethods.Count} compression methods, {Extensions.Count} extensions");
}
public void Handle(NetworkClient Client, Hypercube Core)
{
Client.CS.LoginName = Name;
Client.CS.MPPass = MOTD;
if (ProtocolVersion != 7)
{
Core.Logger._Log("Info", "Handshake", "Disconnecting client '" + Name + "'. Unsupported protocol verison (" + ProtocolVersion.ToString() + ")");
var DisconnectPack = new Disconnect();
DisconnectPack.Reason = "Unsupported protocol version.";
DisconnectPack.Write(Client);
}
if (!Core.ClassicubeHeartbeat.VerifyClientName(Client))
{
Core.Logger._Log("Info", "Handshake", "Disconnecting client '" + Name + "'. Failed to verify name.");
var DisconnectPack = new Disconnect();
DisconnectPack.Reason = "Name verification incorrect.";
DisconnectPack.Write(Client);
}
if (Libraries.Text.StringMatches(Name))
{
Core.Logger._Log("Info", "Handshake", "Disconnecting Client '" + Name + "'. Invalid characters in name.");
var DisconnectPack = new Disconnect();
DisconnectPack.Reason = "Invalid characters in name.";
DisconnectPack.Write(Client);
}
if (Name == "")
{
Core.Logger._Log("Info", "Handshake", "Disconnecting Client '" + Name + "'. Invalid characters in name.");
var DisconnectPack = new Disconnect();
DisconnectPack.Reason = "Invalid characters in name.";
DisconnectPack.Write(Client);
}
if (Core.OnlinePlayers > Core.nh.MaxPlayers)
{
var DisconnectPack = new Disconnect();
DisconnectPack.Reason = "Server is full.";
DisconnectPack.Write(Client);
}
Client.CS.MPPass = MOTD;
Client.CS.LastActive = System.DateTime.UtcNow;
if (Usertype == 66)
{
// -- CPE Client
Core.Logger._Log("Info", "Handshake", "CPE Client Detected.");
Client.CS.CPE = true;
CPE.CPEHandshake(Client);
}
else
{
// -- Normal Client.
Client.CS.CPE = false;
Client.Login();
}
}
private void RejectClientVersion(KPRPCMessage kprpcm)
{
KPRPCMessage data2client = new KPRPCMessage();
data2client.protocol = "error";
data2client.srp = new SRPParams();
data2client.version = ProtocolVersion;
// From 1.7 onwards, the client can never be too new but can be too low if we find that it is missing essential features
data2client.error = new Error(ErrorCode.VERSION_CLIENT_TOO_LOW, new string[] { ProtocolVersion.ToString() });
AbortWithMessageToClient(data2client);
return;
}
public static string ToVersionString(this ProtocolVersion version)
{
var attr = version.GetPossibleAttribute <ProtocolVersion, ProtocolVersionNameAttribute>();
return(attr?.Name ?? version.ToString());
}
internal static UriIdentifier GetIdentityUrl(Scenarios scenario, ProtocolVersion providerVersion, bool useSsl)
{
return new UriIdentifier(GetFullUrl("/" + identityPage, new Dictionary<string, string> {
{ "user", scenario.ToString() },
{ "version", providerVersion.ToString() },
}, useSsl));
}
private static void AddVersionTests(IList testSuite, ProtocolVersion version)
{
string prefix = version.ToString()
.Replace(" ", "")
.Replace("\\", "")
.Replace(".", "")
+ "_";
/*
* NOTE: Temporarily disabled automatic test runs because of problems getting a clean exit
* of the DTLS server after a fatal alert. As of writing, manual runs show the correct
* alerts being raised
*/
#if false
/*
* Server only declares support for SHA1/RSA, client selects MD5/RSA. Since the client is
* NOT actually tracking MD5 over the handshake, we expect fatal alert from the client.
*/
if (TlsUtilities.IsTlsV12(version))
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_VALID;
c.clientAuthSigAlg = new SignatureAndHashAlgorithm(HashAlgorithm.md5, SignatureAlgorithm.rsa);
c.serverCertReqSigAlgs = TlsUtilities.GetDefaultRsaSignatureAlgorithms();
c.ExpectClientFatalAlert(AlertDescription.internal_error);
AddTestCase(testSuite, c, prefix + "BadCertificateVerifyHashAlg");
}
/*
* Server only declares support for SHA1/ECDSA, client selects SHA1/RSA. Since the client is
* actually tracking SHA1 over the handshake, we expect fatal alert to come from the server
* when it verifies the selected algorithm against the CertificateRequest supported
* algorithms.
*/
if (TlsUtilities.IsTlsV12(version))
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_VALID;
c.clientAuthSigAlg = new SignatureAndHashAlgorithm(HashAlgorithm.sha1, SignatureAlgorithm.rsa);
c.serverCertReqSigAlgs = TlsUtilities.GetDefaultECDsaSignatureAlgorithms();
c.ExpectServerFatalAlert(AlertDescription.illegal_parameter);
AddTestCase(testSuite, c, prefix + "BadCertificateVerifySigAlg");
}
/*
* Server only declares support for SHA1/ECDSA, client signs with SHA1/RSA, but sends
* SHA1/ECDSA in the CertificateVerify. Since the client is actually tracking SHA1 over the
* handshake, and the claimed algorithm is in the CertificateRequest supported algorithms,
* we expect fatal alert to come from the server when it finds the claimed algorithm
* doesn't match the client certificate.
*/
if (TlsUtilities.IsTlsV12(version))
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_VALID;
c.clientAuthSigAlg = new SignatureAndHashAlgorithm(HashAlgorithm.sha1, SignatureAlgorithm.rsa);
c.clientAuthSigAlgClaimed = new SignatureAndHashAlgorithm(HashAlgorithm.sha1, SignatureAlgorithm.ecdsa);
c.serverCertReqSigAlgs = TlsUtilities.GetDefaultECDsaSignatureAlgorithms();
c.ExpectServerFatalAlert(AlertDescription.decrypt_error);
AddTestCase(testSuite, c, prefix + "BadCertificateVerifySigAlgMismatch");
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_INVALID_VERIFY;
c.ExpectServerFatalAlert(AlertDescription.decrypt_error);
AddTestCase(testSuite, c, prefix + "BadCertificateVerifySignature");
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_INVALID_CERT;
c.ExpectServerFatalAlert(AlertDescription.bad_certificate);
AddTestCase(testSuite, c, prefix + "BadClientCertificate");
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_NONE;
c.serverCertReq = C.SERVER_CERT_REQ_MANDATORY;
c.ExpectServerFatalAlert(AlertDescription.handshake_failure);
AddTestCase(testSuite, c, prefix + "BadMandatoryCertReqDeclined");
}
/*
* Server selects MD5/RSA for ServerKeyExchange signature, which is not in the default
* supported signature algorithms that the client sent. We expect fatal alert from the
* client when it verifies the selected algorithm against the supported algorithms.
*/
if (TlsUtilities.IsTlsV12(version))
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.serverAuthSigAlg = new SignatureAndHashAlgorithm(HashAlgorithm.md5, SignatureAlgorithm.rsa);
c.ExpectClientFatalAlert(AlertDescription.illegal_parameter);
AddTestCase(testSuite, c, prefix + "BadServerKeyExchangeSigAlg");
}
/*
* Server selects MD5/RSA for ServerKeyExchange signature, which is not the default {sha1,rsa}
* implied by the absent signature_algorithms extension. We expect fatal alert from the
* client when it verifies the selected algorithm against the implicit default.
*/
if (TlsUtilities.IsTlsV12(version))
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientSendSignatureAlgorithms = false;
c.serverAuthSigAlg = new SignatureAndHashAlgorithm(HashAlgorithm.md5, SignatureAlgorithm.rsa);
c.ExpectClientFatalAlert(AlertDescription.illegal_parameter);
AddTestCaseDebug(testSuite, c, prefix + "BadServerKeyExchangeSigAlg2");
}
#endif
{
TlsTestConfig c = CreateDtlsTestConfig(version);
AddTestCase(testSuite, c, prefix + "GoodDefault");
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.serverCertReq = C.SERVER_CERT_REQ_NONE;
AddTestCase(testSuite, c, prefix + "GoodNoCertReq");
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_NONE;
AddTestCase(testSuite, c, prefix + "GoodOptionalCertReqDeclined");
}
}
public void ReceiveMessage(string message, KeePassRPCService service)
{
// Inspect incoming message
KPRPCMessage kprpcm;
int requiredCommsVersion = 1;
try
{
kprpcm = (KPRPCMessage)Jayrock.Json.Conversion.JsonConvert.Import(typeof(KPRPCMessage), message);
}
catch (Exception)
{
kprpcm = null;
}
if (kprpcm == null)
{
KPRPCMessage data2client = new KPRPCMessage();
data2client.protocol = "error";
data2client.srp = new SRPParams();
data2client.version = ProtocolVersion;
data2client.error = new Error(ErrorCode.INVALID_MESSAGE, new string[] { "Contents can't be interpreted as an SRPEncapsulatedMessage" });
this.Authorised = false;
string response = Jayrock.Json.Conversion.JsonConvert.ExportToString(data2client);
this.WebSocketConnection.Send(response);
return;
}
if (kprpcm.version != ProtocolVersion)
{
KPRPCMessage data2client = new KPRPCMessage();
data2client.protocol = "error";
data2client.srp = new SRPParams();
data2client.version = ProtocolVersion;
data2client.error = new Error(kprpcm.version > ProtocolVersion ? ErrorCode.VERSION_CLIENT_TOO_HIGH : ErrorCode.VERSION_CLIENT_TOO_LOW, new string[] { ProtocolVersion.ToString() });
this.Authorised = false;
string response = Jayrock.Json.Conversion.JsonConvert.ExportToString(data2client);
this.WebSocketConnection.Send(response);
return;
}
//1: Is it an SRP message?
switch (kprpcm.protocol)
{
case "setup": KPRPCReceiveSetup(kprpcm); break;
case "jsonrpc": KPRPCReceiveJSONRPC(kprpcm.jsonrpc, service); break;
default: KPRPCMessage data2client = new KPRPCMessage();
data2client.protocol = "error";
data2client.srp = new SRPParams();
data2client.version = ProtocolVersion;
data2client.error = new Error(ErrorCode.UNRECOGNISED_PROTOCOL, new string[] { "Use setup or jsonrpc" });
this.Authorised = false;
string response = Jayrock.Json.Conversion.JsonConvert.ExportToString(data2client);
this.WebSocketConnection.Send(response);
return;
}
}
private static void AddVersionTests(IList testSuite, ProtocolVersion version)
{
string prefix = version.ToString()
.Replace(" ", "")
.Replace("\\", "")
.Replace(".", "")
+ "_";
/*
* NOTE: Temporarily disabled automatic test runs because of problems getting a clean exit
* of the DTLS server after a fatal alert. As of writing, manual runs show the correct
* alerts being raised
*/
#if false
/*
* Server only declares support for SHA1/RSA, client selects MD5/RSA. Since the client is
* NOT actually tracking MD5 over the handshake, we expect fatal alert from the client.
*/
if (TlsUtilities.IsTlsV12(version))
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_VALID;
c.clientAuthSigAlg = new SignatureAndHashAlgorithm(HashAlgorithm.md5, SignatureAlgorithm.rsa);
c.serverCertReqSigAlgs = TlsUtilities.GetDefaultRsaSignatureAlgorithms();
c.ExpectClientFatalAlert(AlertDescription.internal_error);
AddTestCase(testSuite, c, prefix + "BadCertificateVerifyHashAlg");
}
/*
* Server only declares support for SHA1/ECDSA, client selects SHA1/RSA. Since the client is
* actually tracking SHA1 over the handshake, we expect fatal alert to come from the server
* when it verifies the selected algorithm against the CertificateRequest supported
* algorithms.
*/
if (TlsUtilities.IsTlsV12(version))
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_VALID;
c.clientAuthSigAlg = new SignatureAndHashAlgorithm(HashAlgorithm.sha1, SignatureAlgorithm.rsa);
c.serverCertReqSigAlgs = TlsUtilities.GetDefaultECDsaSignatureAlgorithms();
c.ExpectServerFatalAlert(AlertDescription.illegal_parameter);
AddTestCase(testSuite, c, prefix + "BadCertificateVerifySigAlg");
}
/*
* Server only declares support for SHA1/ECDSA, client signs with SHA1/RSA, but sends
* SHA1/ECDSA in the CertificateVerify. Since the client is actually tracking SHA1 over the
* handshake, and the claimed algorithm is in the CertificateRequest supported algorithms,
* we expect fatal alert to come from the server when it finds the claimed algorithm
* doesn't match the client certificate.
*/
if (TlsUtilities.IsTlsV12(version))
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_VALID;
c.clientAuthSigAlg = new SignatureAndHashAlgorithm(HashAlgorithm.sha1, SignatureAlgorithm.rsa);
c.clientAuthSigAlgClaimed = new SignatureAndHashAlgorithm(HashAlgorithm.sha1, SignatureAlgorithm.ecdsa);
c.serverCertReqSigAlgs = TlsUtilities.GetDefaultECDsaSignatureAlgorithms();
c.ExpectServerFatalAlert(AlertDescription.decrypt_error);
AddTestCase(testSuite, c, prefix + "BadCertificateVerifySigAlgMismatch");
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_INVALID_VERIFY;
c.ExpectServerFatalAlert(AlertDescription.decrypt_error);
AddTestCase(testSuite, c, prefix + "BadCertificateVerifySignature");
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_INVALID_CERT;
c.ExpectServerFatalAlert(AlertDescription.bad_certificate);
AddTestCase(testSuite, c, prefix + "BadClientCertificate");
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_NONE;
c.serverCertReq = C.SERVER_CERT_REQ_MANDATORY;
c.ExpectServerFatalAlert(AlertDescription.handshake_failure);
AddTestCase(testSuite, c, prefix + "BadMandatoryCertReqDeclined");
}
/*
* Server selects MD5/RSA for ServerKeyExchange signature, which is not in the default
* supported signature algorithms that the client sent. We expect fatal alert from the
* client when it verifies the selected algorithm against the supported algorithms.
*/
if (TlsUtilities.IsTlsV12(version))
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.serverAuthSigAlg = new SignatureAndHashAlgorithm(HashAlgorithm.md5, SignatureAlgorithm.rsa);
c.ExpectClientFatalAlert(AlertDescription.illegal_parameter);
AddTestCase(testSuite, c, prefix + "BadServerKeyExchangeSigAlg");
}
/*
* Server selects MD5/RSA for ServerKeyExchange signature, which is not the default {sha1,rsa}
* implied by the absent signature_algorithms extension. We expect fatal alert from the
* client when it verifies the selected algorithm against the implicit default.
*/
if (TlsUtilities.IsTlsV12(version))
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientSendSignatureAlgorithms = false;
c.serverAuthSigAlg = new SignatureAndHashAlgorithm(HashAlgorithm.md5, SignatureAlgorithm.rsa);
c.ExpectClientFatalAlert(AlertDescription.illegal_parameter);
AddTestCaseDebug(testSuite, c, prefix + "BadServerKeyExchangeSigAlg2");
}
#endif
{
TlsTestConfig c = CreateDtlsTestConfig(version);
AddTestCase(testSuite, c, prefix + "GoodDefault");
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.serverCertReq = C.SERVER_CERT_REQ_NONE;
AddTestCase(testSuite, c, prefix + "GoodNoCertReq");
}
{
TlsTestConfig c = CreateDtlsTestConfig(version);
c.clientAuth = C.CLIENT_AUTH_NONE;
AddTestCase(testSuite, c, prefix + "GoodOptionalCertReqDeclined");
}
}
public static string ToText(this ProtocolVersion ver)
{
return(ver.ToString().Replace("_", ".").Replace("pre", "-pre").TrimStart(new char[] { 'v' }));
}
//
// Decode the received frame
//
Boolean Decode(out String packetFrame)
{
Int32 ptr = 0;
Boolean retVal = false;
StringBuilder s = new StringBuilder("|", 4096);
try
{
//
// Catch any exceptions during decode
//
ptr = staLink.destinationStation.Decode(inBuf, ptr);
ptr = staLink.sourceStation.Decode(inBuf, ptr);
s.Append("|" + staLink.sourceStation.stationIDString + "|ch=" + staLink.sourceStation.chBit.ToString());
s.Append("|" + staLink.destinationStation.stationIDString + "|ch=" + staLink.destinationStation.chBit.ToString());
if (staLink.sourceStation.extBit == 0)
{
ptr = staLink.relayStation1.Decode(inBuf, ptr);
s.Append("|" + staLink.relayStation1.stationIDString + "|ch=" + staLink.relayStation1.chBit.ToString());
if (staLink.relayStation1.extBit == 0)
{
ptr = staLink.relayStation2.Decode(inBuf, ptr);
s.Append("|" + staLink.relayStation2.stationIDString + "|ch=" + staLink.relayStation2.chBit.ToString());
if (staLink.relayStation2.extBit == 0)
{
StationAddress tmpR = new StationAddress();
s.Append("|r??:(");
do
{
ptr = tmpR.Decode(inBuf, ptr);
s.Append("\\" + tmpR.stationIDString + ":ch=" + tmpR.chBit.ToString());
} while (tmpR.extBit == 0);
s.Append(")");
//throw new Exception("Too many relay addresses");
}
else
{
s.Append("|");
}
}
else
{
s.Append("||");
}
}
else
{
s.Append("|||");
}
cmdOctetPtr = ptr;
if ((staLink.destinationStation.chBit == staLink.sourceStation.chBit))
{
//
// Old protocol version
//
version = ProtocolVersion.V20;
}
else
{
//
// New protocol version
//
version = ProtocolVersion.V22;
}
if (staLink.destinationStation.chBit == 0)
{
//
// Response type
//
cmdResp = PacketType.Response;
}
else
{
//
// Command type
//
cmdResp = PacketType.Command;
}
//
// Get frame type. I and S frame must be decoded later after we know whether we
// are using mod8 or mod128 sequence numbers.
//
Byte tmp = inBuf[ptr];
String t = "";
pfBit = (tmp >> 4) & 0x01; //ToDo change needed to support SABME
seqNumMode = SequenceNumberMode.Mod8;
//Frame.InformationFrame.Decode(this, rawBuf, ptr, out t);
if ((tmp & 0x01) == I)
{
//
// I frame
//
frameClass = FrameClasses.IClass;
frameType = FrameTypes.IType;
ptr = InformationFrame.Decode(this, inBuf, ptr, out t);
}
if ((tmp & 0x03) == S)
{
//
// S frame
//
frameClass = FrameClasses.SClass;
frameType = (FrameTypes)(tmp & 0x0f);
ptr = SupervisoryFrame.Decode(this, inBuf, ptr, out t);
}
if ((tmp & 0x03) == U)
{
//
// U frame. We can decode uFrames right away
//
frameClass = FrameClasses.UClass;
frameType = (FrameTypes)(tmp & 0xef);
ptr = UnnumberedFrame.Decode(this, inBuf, ptr, out t);
}
s.Append("|" + version.ToString() + "|" + frameType.ToString() + "|" + cmdResp.ToString() + "|pf=" + pfBit.ToString());
if (t.Length > 0)
{
s.Append(t);
}
s.Append(Support.DumpRawFrame(rawBuf));
retVal = true;
}
catch (Exception ex)
{
s.Append(ex.Message + CRLF);
Support.DbgPrint("Exception during frame decode:" + ex.Message + CRLF);
retVal = false;
}
finally
{
s.Append("]");
packetFrame = s.ToString();
}
return(retVal);
}