/// <summary>Create a DtlsFilter.</summary>
/// <param name="key">A CryptoKey initialized by the OpenSSL.NET library.</param>
/// <param name="cert">The path to the certificate to use.</param>
/// <param name="ca_cert">The path to the ca certificate to use.</param>
/// <param name="client">Use client initialization parameters.</param>
public DtlsAssociation(ISender sender, CertificateHandler ch, PType ptype,
Ssl ssl, bool client) : base(sender, ch)
{
_ip = new IdentifierPair();
PType = ptype;
_ssl = ssl;
_client = client;
_ssl.SetReadAhead(1);
// Buggy SSL versions have issue with compression and dtls
_ssl.SetOptions((int) SslOptions.SSL_OP_NO_COMPRESSION);
if(client) {
_ssl.SetConnectState();
} else {
_ssl.SetAcceptState();
}
// The ssl object will take control
_read = BIO.MemoryBuffer(false);
_read.NonBlocking = true;
_write = BIO.MemoryBuffer(false);
_write.NonBlocking = true;
_ssl.SetBIO(_read, _write);
_ssl.DoHandshake();
_buffer = new byte[Int16.MaxValue];
_buffer_sync = new object();
_fe_lock = 0;
}
public void AddBadLocalCert()
{
CertificateHandler ch = new CertificateHandler("certs", "12345");
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(512);
byte[] blob = rsa.ExportCspBlob(false);
RSACryptoServiceProvider rsa_pub = new RSACryptoServiceProvider();
rsa_pub.ImportCspBlob(blob);
string ID = "brunet:node:PXYSWDL5SZDHDDXJKZCLFENOP2KZDMBU";
CertificateMaker cm = new CertificateMaker("US", "UFL", "ACIS", "David Wolinsky",
"*****@*****.**", rsa_pub, ID);
Certificate cert_0 = cm.Sign(cm, rsa);
ch.AddCACertificate(cert_0.X509);
try {
ch.AddSignedCertificate(cert_0.X509);
Assert.IsTrue(false, "Shouldn't add this certificate!");
} catch {
}
CertificateMaker cm0 = new CertificateMaker("US", "UFL", "ACIS", "David Wolinsky",
"*****@*****.**", rsa_pub, "12345");
Certificate cert_1 = cm0.Sign(cm, rsa);
ch.AddSignedCertificate(cert_1.X509);
}
public bool Verify(X509Certificate certificate, ISender sender)
{
Address addr = null;
AHSender ahsender = sender as AHSender;
if (ahsender != null)
{
addr = ahsender.Destination;
}
else
{
Edge edge = sender as Edge;
if (edge != null)
{
Connection con = _ct.GetConnection(edge);
if (con != null)
{
addr = con.Address;
}
}
}
if (addr == null)
{
return(true);
}
return(CertificateHandler.Verify(certificate, addr.ToString()));
}
public void ValidityTest()
{
CertificateHandler ch = new CertificateHandler();
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(512);
byte[] blob = rsa.ExportCspBlob(false);
RSACryptoServiceProvider rsa_pub = new RSACryptoServiceProvider();
rsa_pub.ImportCspBlob(blob);
string ID = "brunet:node:PXYSWDL5SZDHDDXJKZCLFENOP2KZDMBU";
CertificateMaker cm = new CertificateMaker("US", "UFL", "ACIS", "David Wolinsky",
"*****@*****.**", rsa_pub, ID);
Certificate cert_0 = cm.Sign(cm, rsa);
ch.AddSignedCertificate(cert_0.X509);
ch.AddCACertificate(cert_0.X509);
rsa = new RSACryptoServiceProvider(1024);
rsa_pub.ImportCspBlob(rsa.ExportCspBlob(false));
cm = new CertificateMaker("US", "UFL", "ACIS", "David Wolinsky",
"*****@*****.**", rsa_pub, ID);
Certificate cert_1 = cm.Sign(cm, rsa);
Assert.IsTrue(ch.Verify(cert_0.X509, null, ID), "Valid");
bool success = false;
try {
success = ch.Verify(cert_1.X509, null, ID);
} catch { }
Assert.IsTrue(!success, "Valid cert2");
}
/// <summary></summary>
public SecurityOverlord(RSACryptoServiceProvider private_key,
CertificateHandler ch)
{
_private_key = private_key;
_ch = ch;
_stopped = 0;
_sa_check = FuzzyTimer.Instance.DoEvery(CheckSAs, CHECK_SA_PERIOD, 0);//CHECK_SA_PERIOD / 2);
}
/// <summary></summary>
public SecurityAssociation(ISender sender, CertificateHandler ch)
{
Sender = sender;
_ch = ch;
_closed = 0;
_receiving = true;
_sending = true;
_state = States.Waiting;
_state_lock = new object();
}
public bool Verify(X509Certificate certificate, ISender sender)
{
AHSender ahsender = sender as AHSender;
if (ahsender == null)
{
return(true);
}
return(CertificateHandler.Verify(certificate, ahsender.Destination.ToString()));
}
public ProtocolSecurityOverlord(Node node,
RSACryptoServiceProvider rsa,
ReqrepManager rrman,
CertificateHandler ch) :
base(rsa, rrman, ch)
{
_node = node;
_address_to_sa = new Dictionary<Address, SecurityAssociation>();
_sa_to_address = new Dictionary<SecurityAssociation, Address>();
lock(_sync) {
_node.Rpc.AddHandler("Security", this);
}
}
public SecurityOverlord(RSACryptoServiceProvider rsa, ReqrepManager rrman, CertificateHandler ch)
{
_private_key = rsa;
_private_key_lock = new object();
_ch = ch;
_spi = new Dictionary <int, Dictionary <ISender, SecurityAssociation> >();
_cookie = new byte[CookieLength];
_rand = new Random();
_rand.NextBytes(_cookie);
_rrman = rrman;
_last_heartbeat = DateTime.UtcNow;
_rrman.Subscribe(this, null);
}
public void FindCertificateTest()
{
CertificateHandler ch = new CertificateHandler();
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(512);
byte[] blob = rsa.ExportCspBlob(false);
RSACryptoServiceProvider rsa_pub = new RSACryptoServiceProvider();
rsa_pub.ImportCspBlob(blob);
List <Brunet.Util.MemBlock> supported = new List <Brunet.Util.MemBlock>();
List <Brunet.Util.MemBlock> unsupported = new List <Brunet.Util.MemBlock>();
for (int i = 0; i < 20; i++)
{
CertificateMaker cm = new CertificateMaker("US", "UFL", "ACIS", "David Wolinsky",
"*****@*****.**" + i, rsa_pub, i.ToString());
Certificate cert = cm.Sign(cm, rsa);
if (i % 2 == 0)
{
ch.AddCACertificate(cert.X509);
ch.AddSignedCertificate(cert.X509);
supported.Add(cert.SerialNumber);
}
else
{
unsupported.Add(cert.SerialNumber);
}
}
Assert.IsNotNull(ch.FindCertificate(supported), "Should find a certificate");
bool success = false;
try {
success = ch.FindCertificate(unsupported) != null;
} catch { }
Assert.IsTrue(!success, "Should not find a certificate");
List <Brunet.Util.MemBlock> mixed = new List <Brunet.Util.MemBlock>(unsupported);
mixed.Insert(4, supported[1]);
Assert.AreEqual(supported[1],
Brunet.Util.MemBlock.Reference(ch.FindCertificate(mixed).SerialNumber),
"Only one supported");
}
protected SecurityOverlord CreateInvalidSO(string name, int level)
{
if (rsa == null)
{
rsa = new RSACryptoServiceProvider();
byte[] blob = rsa.ExportCspBlob(false);
RSACryptoServiceProvider rsa_pub = new RSACryptoServiceProvider();
rsa_pub.ImportCspBlob(blob);
CertificateMaker cm = new CertificateMaker("United States", "UFL",
"ACIS", "David Wolinsky", "*****@*****.**", rsa_pub,
"brunet:node:abcdefghijklmnopqrs");
Certificate cert = cm.Sign(cm, rsa);
x509 = cert.X509;
}
CertificateHandler ch = new CertificateHandler();
if (level == 2 || level == 0)
{
ch.AddCACertificate(x509);
}
if (level == 3 || level == 0)
{
ch.AddSignedCertificate(x509);
}
ReqrepManager rrm = new ReqrepManager("so" + name);
_timeout += rrm.TimeoutChecker;
SecurityOverlord so = new SecurityOverlord(rsa_safe, rrm, ch);
so.AnnounceSA += AnnounceSA;
RoutingDataHandler rdh = new RoutingDataHandler();
rrm.Subscribe(so, null);
so.Subscribe(rdh, null);
rdh.Subscribe(rrm, null);
return(so);
}
protected virtual StructuredNode PrepareNode(int id, AHAddress address)
{
if(TakenIDs.ContainsKey(id)) {
throw new Exception("ID already taken");
}
StructuredNode node = new StructuredNode(address, BrunetNamespace);
NodeMapping nm = new NodeMapping();
nm.ID = id;
TakenIDs[id] = nm;
nm.Node = node;
Nodes.Add((Address) address, nm);
EdgeListener el = CreateEdgeListener(nm.ID);
if(_secure_edges || _secure_senders) {
byte[] blob = _se_key.ExportCspBlob(true);
RSACryptoServiceProvider rsa_copy = new RSACryptoServiceProvider();
rsa_copy.ImportCspBlob(blob);
string username = address.ToString().Replace('=', '0');
CertificateMaker cm = new CertificateMaker("United States", "UFL",
"ACIS", username, "*****@*****.**", rsa_copy,
address.ToString());
Certificate cert = cm.Sign(_ca_cert, _se_key);
CertificateHandler ch = null;
if(_dtls) {
ch = new OpenSslCertificateHandler();
} else {
ch = new CertificateHandler();
}
ch.AddCACertificate(_ca_cert.X509);
ch.AddSignedCertificate(cert.X509);
if(_dtls) {
nm.SO = new DtlsOverlord(rsa_copy, ch, PeerSecOverlord.Security);
} else {
nm.Sso = new SymphonySecurityOverlord(node, rsa_copy, ch, node.Rrm);
nm.SO = nm.Sso;
}
var brh = new BroadcastRevocationHandler(_ca_cert, nm.SO);
node.GetTypeSource(BroadcastRevocationHandler.PType).Subscribe(brh, null);
ch.AddCertificateVerification(brh);
nm.SO.Subscribe(node, null);
node.GetTypeSource(PeerSecOverlord.Security).Subscribe(nm.SO, null);
}
if(_pathing) {
nm.PathEM = new PathELManager(el, nm.Node);
nm.PathEM.Start();
el = nm.PathEM.CreatePath();
PType path_p = PType.Protocol.Pathing;
nm.Node.DemuxHandler.GetTypeSource(path_p).Subscribe(nm.PathEM, path_p);
}
if(_secure_edges) {
node.EdgeVerifyMethod = EdgeVerify.AddressInSubjectAltName;
el = new SecureEdgeListener(el, nm.SO);
}
node.AddEdgeListener(el);
if(!_start) {
node.RemoteTAs = GetRemoteTAs();
}
IRelayOverlap ito = null;
if(NCEnable) {
nm.NCService = new NCService(node, new Point());
// My evaluations show that when this is enabled the system sucks
// (node as StructuredNode).Sco.TargetSelector = new VivaldiTargetSelector(node, ncservice);
ito = new NCRelayOverlap(nm.NCService);
} else {
ito = new SimpleRelayOverlap();
}
if(_broken != 0) {
el = new Relay.RelayEdgeListener(node, ito);
if(_secure_edges) {
el = new SecureEdgeListener(el, nm.SO);
}
node.AddEdgeListener(el);
}
BroadcastHandler bhandler = new BroadcastHandler(node as StructuredNode);
node.DemuxHandler.GetTypeSource(BroadcastSender.PType).Subscribe(bhandler, null);
node.DemuxHandler.GetTypeSource(SimBroadcastPType).Subscribe(SimBroadcastHandler, null);
// Enables Dht data store
new TableServer(node);
nm.Dht = new Dht(node, 3, 20);
nm.DhtProxy = new RpcDhtProxy(nm.Dht, node);
return node;
}
public SymphonyVerification(CertificateHandler ch)
{
_ch = ch;
}
public SymphonyVerification(CertificateHandler ch)
{
_ch = ch;
}
protected virtual StructuredNode PrepareNode(int id, AHAddress address)
{
if(TakenIDs.Contains(id)) {
throw new Exception("ID already taken");
}
StructuredNode node = new StructuredNode(address, BrunetNamespace);
NodeMapping nm = new NodeMapping();
TakenIDs[id] = nm.ID = id;
nm.Node = node;
Nodes.Add((Address) address, nm);
EdgeListener el = CreateEdgeListener(nm.ID);
if(SecureEdges || SecureSenders) {
byte[] blob = SEKey.ExportCspBlob(true);
RSACryptoServiceProvider rsa_copy = new RSACryptoServiceProvider();
rsa_copy.ImportCspBlob(blob);
CertificateMaker cm = new CertificateMaker("United States", "UFL",
"ACIS", "David Wolinsky", "*****@*****.**", rsa_copy,
address.ToString());
Certificate cert = cm.Sign(CACert, SEKey);
CertificateHandler ch = new CertificateHandler();
ch.AddCACertificate(CACert.X509);
ch.AddSignedCertificate(cert.X509);
ProtocolSecurityOverlord so = new ProtocolSecurityOverlord(node, rsa_copy, node.Rrm, ch);
so.Subscribe(node, null);
node.GetTypeSource(SecurityOverlord.Security).Subscribe(so, null);
nm.BSO = so;
node.HeartBeatEvent += so.Heartbeat;
}
if(SecureEdges) {
node.EdgeVerifyMethod = EdgeVerify.AddressInSubjectAltName;
el = new SecureEdgeListener(el, nm.BSO);
}
node.AddEdgeListener(el);
node.RemoteTAs = GetRemoteTAs();
ITunnelOverlap ito = null;
if(NCEnable) {
nm.NCService = new NCService(node, new Point());
// My evaluations show that when this is enabled the system sucks
// (node as StructuredNode).Sco.TargetSelector = new VivaldiTargetSelector(node, ncservice);
ito = new NCTunnelOverlap(nm.NCService);
} else {
ito = new SimpleTunnelOverlap();
}
if(Broken != 0) {
el = new Tunnel.TunnelEdgeListener(node, ito);
node.AddEdgeListener(el);
}
// Enables Dht data store
new TableServer(node);
return node;
}
