public void TestSimpleDatabaseHeader5StoreCreation()
{
var mapping = new I2PMapping();
mapping["One"] = "1";
mapping["2"] = "Two";
var ri = new I2PRouterInfo(
new I2PRouterIdentity(Public, PublicSigning),
I2PDate.Now,
new I2PRouterAddress[] { new I2PRouterAddress(new IPAddress(424242L), 773, 42, "SSU") },
mapping,
PrivateSigning);
var dbsm = new DatabaseStoreMessage(ri);
var data = dbsm.CreateHeader16.HeaderAndPayload;
var recreated = I2NPMessage.ReadHeader16(new BufRefLen(data));
Assert.IsTrue(recreated.MessageType == I2NPMessage.MessageTypes.DatabaseStore);
var rdsm = (DatabaseStoreMessage)recreated.Message;
Assert.IsTrue(rdsm.RouterInfo.Options["One"] == "1");
Assert.IsTrue(rdsm.RouterInfo.Options["2"] == "Two");
Assert.IsTrue(rdsm.RouterInfo.VerifySignature());
}
public void TestSimpleDatabaseStoreLeaseSetEd25519Creation()
{
var linfo = new I2PLeaseInfo(Public, PublicSigningEd25519, Private, PrivateSigningEd25519);
var leases = new List <I2PLease>();
for (int i = 0; i < 5; ++i)
{
leases.Add(new I2PLease(new I2PIdentHash(true), (uint)((i * 72 + 6) * i * 1314 + 5) % 40000, I2PDate.Now));
}
var ls = new I2PLeaseSet(new I2PDestination(Public, PublicSigningEd25519), leases, linfo);
var dbsm = new DatabaseStoreMessage(ls);
var data = dbsm.Header16.HeaderAndPayload;
var recreated = I2NPMessage.ReadHeader16(new BufRefLen(data));
Assert.IsTrue(recreated.MessageType == I2NPMessage.MessageTypes.DatabaseStore);
var rdsm = (DatabaseStoreMessage)recreated.Message;
Assert.IsTrue(rdsm.LeaseSet.Leases.Count == 5);
Assert.IsTrue(BufUtils.Equal(ls.Destination.ToByteArray(), rdsm.LeaseSet.Destination.ToByteArray()));
Assert.IsTrue(BufUtils.Equal(ls.PublicKey.ToByteArray(), rdsm.LeaseSet.PublicKey.ToByteArray()));
Assert.IsTrue(BufUtils.Equal(ls.PublicSigningKey.ToByteArray(), rdsm.LeaseSet.PublicSigningKey.ToByteArray()));
for (int i = 0; i < 5; ++i)
{
Assert.IsTrue(BufUtils.Equal(ls.Leases[i].ToByteArray(), rdsm.LeaseSet.Leases[i].ToByteArray()));
}
Assert.IsTrue(rdsm.LeaseSet.VerifySignature());
}
private ITransport CreateTransport(I2PRouterInfo ri)
{
ITransport transport = null;
try
{
var pproviders = TransportProtocols
.Select(tp => new
{
Provider = tp,
Capability = tp.ContactCapability(ri)
})
.Where(tp => tp.Capability != ProtocolCapabilities.None)
.GroupBy(tp => tp.Capability)
.OrderByDescending(cc => (int)cc.Key);
var pprovider = pproviders.FirstOrDefault()?.Random();
if (pprovider == null)
{
Logging.LogTransport(
$"TransportProvider: CreateTransport: No usable address found for {ri.Identity.IdentHash.Id32Short}!");
return(null);
}
transport = pprovider.Provider.AddSession(ri);
Logging.LogTransport($"TransportProvider: Creating new {transport} to {ri.Identity.IdentHash.Id32Short}");
AddTransport(transport);
transport.Connect();
var dstore = new DatabaseStoreMessage(RouterContext.Inst.MyRouterInfo);
transport.Send(dstore);
}
catch (Exception ex)
{
#if LOG_MUCH_TRANSPORT
Logging.LogTransport(ex);
Logging.LogTransport("TransportProvider: CreateTransport stack trace: " + System.Environment.StackTrace);
#else
Logging.LogTransport($"TransportProvider: Exception [{ex.GetType()}] " +
$"'{ex.Message}' to {ri.Identity.IdentHash.Id32Short}.");
#endif
if (transport != null)
{
Remove(transport);
}
throw;
}
return(transport);
}
private void SendUpdate(I2PIdentHash ff, uint token)
{
// If greater than zero, a DeliveryStatusMessage
// is requested with the Message ID set to the value of the Reply Token.
// A floodfill router is also expected to flood the data to the closest floodfill peers
// if the token is greater than zero.
// https://geti2p.net/spec/i2np#databasestore
var ds = new DatabaseStoreMessage(
RouterContext.Inst.MyRouterInfo,
token,
RouterContext.Inst.MyRouterInfo.Identity.IdentHash,
0);
TransportProvider.Send(ff, ds);
}
internal void LocalLeaseSetUpdated(I2PLeaseSet leaseset)
{
LatestLocalLeaseSet = leaseset;
var dbsmessage = new DatabaseStoreMessage(leaseset);
var info = Send(true, new GarlicCloveDeliveryDestination(dbsmessage, Destination.IdentHash));
#if LOG_ALL_TUNNEL_TRANSFER
if (info != null)
{
Logging.LogDebug(() => string.Format(
"DestinationSession: LeaseSet update bundled in Destination trafic. ({0}) TrackingId: {1}, Ack MessageId: {2}.",
info.KeyType, info.TrackingId, info.AckMessageId));
}
#endif
LatestLeaseSetSendTime.SetNow();
}
DatabaseStoreMessage CreateDatabaseStoreMessage()
{
var mapping = new I2PMapping();
mapping["One"] = "1";
mapping["2"] = "Two";
var ri = new I2PRouterInfo(
new I2PRouterIdentity(Public, PublicSigning),
I2PDate.Now,
new I2PRouterAddress[] { new I2PRouterAddress(new IPAddress(424242L), 773, 42, "SSU") },
mapping,
PrivateSigning);
var dbsm = new DatabaseStoreMessage(ri);
return(dbsm);
}
public void TestSimpleDatabaseStoreLeaseSetCreation()
{
var linfo = new I2PLeaseInfo(Public, PublicSigning, Private, PrivateSigning);
var leases = new List <I2PLease>();
for (int i = 0; i < 5; ++i)
{
leases.Add(new I2PLease(
new I2PIdentHash(true),
new I2PTunnelId()));
}
var ls = new I2PLeaseSet(new I2PDestination(Public, PublicSigning), leases, linfo);
var dbsm = new DatabaseStoreMessage(ls);
var data = dbsm.CreateHeader16.HeaderAndPayload.Clone();
var recreated = I2NPMessage.ReadHeader16(new BufRefLen(data));
Assert.IsTrue(recreated.MessageType == I2NPMessage.MessageTypes.DatabaseStore);
var rdsm = (DatabaseStoreMessage)recreated.Message;
Assert.IsTrue(rdsm.LeaseSet.Leases.Count() == 5);
Assert.IsTrue(BufUtils.Equal(ls.Destination.ToByteArray(), rdsm.LeaseSet.Destination.ToByteArray()));
Assert.IsTrue(BufUtils.Equal(ls.PublicKey.ToByteArray(), rdsm.LeaseSet.PublicKey.ToByteArray()));
Assert.IsTrue(BufUtils.Equal(ls.PublicSigningKey.ToByteArray(), rdsm.LeaseSet.PublicSigningKey.ToByteArray()));
var rdsmlsar = rdsm.LeaseSet.Leases.ToArray();
var lsar = ls.Leases.ToArray();
// Order should be maintained
for (int i = 0; i < 5; ++i)
{
Assert.IsTrue(
BufUtils.Equal(
lsar[i].ToByteArray(),
rdsmlsar[i].ToByteArray()));
}
Assert.IsTrue(rdsm.LeaseSet.VerifySignature(PublicSigning));
}
private void SendLeaseSetUpdateGarlic(
I2PIdentHash ffdest,
I2PPublicKey pubkey,
I2PLeaseSet ls,
uint token)
{
// If greater than zero, a DeliveryStatusMessage
// is requested with the Message ID set to the value of the Reply Token.
// A floodfill router is also expected to flood the data to the closest floodfill peers
// if the token is greater than zero.
// https://geti2p.net/spec/i2np#databasestore
var outtunnel = TunnelProvider.Inst.GetEstablishedOutboundTunnel(false);
var replytunnel = ls.Leases.Random();
if (outtunnel is null || replytunnel is null)
{
Logging.LogDebug($"SendLeaseSetUpdateGarlic: " +
$"outtunnel: {outtunnel}, replytunnel: {replytunnel?.TunnelGw?.Id32Short}");
return;
}
var ds = new DatabaseStoreMessage(ls);
var delivstatus = new DeliveryStatusMessage(token);
// As explained on the network database page, local LeaseSets are sent to floodfill
// routers in a Database Store Message wrapped in a Garlic Message so it is not
// visible to the tunnel's outbound gateway.
var garlic = new Garlic(
new GarlicClove(
new GarlicCloveDeliveryLocal(ds)),
new GarlicClove(
new GarlicCloveDeliveryTunnel(delivstatus, replytunnel.TunnelGw, replytunnel.TunnelId))
);
var egmsg = Garlic.EGEncryptGarlic(garlic, pubkey, new I2PSessionKey(), null);
outtunnel.Send(
new TunnelMessageRouter(
egmsg,
ffdest));
}
internal static void HandleDatabaseStore(DatabaseStoreMessage ds)
{
if (ds.RouterInfo == null && ds.LeaseSet == null)
{
throw new ArgumentException("DatabaseStore without Router or Lease info!");
}
if (ds.RouterInfo != null)
{
#if LOG_ALL_TUNNEL_TRANSFER
//Logging.Log( "HandleDatabaseStore: DatabaseStore RouterInfo" + ds.ToString() );
#endif
NetDb.Inst.AddRouterInfo(ds.RouterInfo);
}
else
{
#if LOG_ALL_TUNNEL_TRANSFER
//Logging.Log( "HandleDatabaseStore: DatabaseStore LeaseSet" + ds.ToString() );
#endif
NetDb.Inst.AddLeaseSet(ds.LeaseSet);
}
if (ds.ReplyToken != 0)
{
if (ds.ReplyTunnelId != 0)
{
var outtunnel = TunnelProvider.Inst.GetEstablishedOutboundTunnel(true);
if (outtunnel != null)
{
outtunnel.Send(new TunnelMessageRouter(
(new TunnelGatewayMessage(
new DeliveryStatusMessage(ds.ReplyToken),
ds.ReplyTunnelId)),
ds.ReplyGateway));
}
}
else
{
TransportProvider.Send(ds.ReplyGateway,
new DeliveryStatusMessage(ds.ReplyToken));
}
}
}
private void SendUpdateTunnelReply(I2PIdentHash ff, uint token)
{
// If greater than zero, a DeliveryStatusMessage
// is requested with the Message ID set to the value of the Reply Token.
// A floodfill router is also expected to flood the data to the closest floodfill peers
// if the token is greater than zero.
// https://geti2p.net/spec/i2np#databasestore
var replytunnel = TunnelProvider.Inst.GetInboundTunnel(true);
var ds = new DatabaseStoreMessage(RouterContext.Inst.MyRouterInfo,
token, replytunnel.Destination, replytunnel.ReceiveTunnelId);
lock ( OutstandingRequests )
{
OutstandingRequests[token] = new FFUpdateRequestInfo(ff);
}
TransportProvider.Send(ff, ds);
}
private ITransport CreateTransport(I2PRouterInfo ri)
{
ITransport transport = null;
try
{
var ntcpaddr = ri.Adresses.Where(a => (a.TransportStyle == "NTCP") &&
a.HaveHostAndPort &&
(RouterContext.Inst.UseIpV6 ||
a.Options.ValueContains("host", ".")));
var ssuaddr = ri.Adresses.Where(a => (a.TransportStyle == "SSU") &&
a.Options.Contains("key") &&
(RouterContext.Inst.UseIpV6 ||
a.Options.ValueContains("host", ".") ||
a.Options.ValueContains("ihost0", ".")));
I2PRouterAddress ra = ssuaddr
.Where(a => a.Options.Contains("host"))
.Random()
?? ntcpaddr.Random()
?? ssuaddr.Random();
if (ra == null)
{
Logging.LogTransport(
$"TransportProvider: CreateTransport: No usable address found for {ri.Identity.IdentHash.Id32Short}!");
return(null);
}
switch (ra.TransportStyle.ToString())
{
case "SSU":
transport = SsuHost.AddSession(ra, ri.Identity);
break;
case "NTCP":
transport = new NTCPClientOutgoing(ra, ri.Identity);
break;
default:
throw new NotImplementedException();
}
Logging.LogTransport(
string.Format("TransportProvider: Creating new {0} transport {2} to {1}",
ra.TransportStyle, ri.Identity.IdentHash.Id32Short, transport.DebugId));
AddTransport(transport);
transport.Connect();
var dstore = new DatabaseStoreMessage(RouterContext.Inst.MyRouterInfo);
transport.Send(dstore);
}
catch (Exception ex)
{
#if LOG_MUCH_TRANSPORT
Logging.LogTransport(ex);
Logging.LogTransport("TransportProvider: CreateTransport stack trace: " + System.Environment.StackTrace);
#else
Logging.LogTransport($"TransportProvider: Exception [{ex.GetType()}] " +
$"'{ex.Message}' to {ri.Identity.IdentHash.Id32Short}.");
#endif
if (transport != null)
{
Remove(transport);
}
throw;
}
return(transport);
}
private ITransport CreateTransport(I2PRouterInfo ri)
{
ITransport transport = null;
try
{
I2PRouterAddress ra_ntcp = null;
var ntcpaddr = ri.Adresses.Where(a => (a.TransportStyle == "NTCP") &&
a.Options.Contains("host") &&
a.Options.Contains("port") &&
(RouterContext.Inst.UseIpV6 || a.Options["host"].Contains('.')));
var a1 = ntcpaddr.Where(a => GetAddressFamiliy(a, "host") == System.Net.Sockets.AddressFamily.InterNetwork);
if (a1.Any())
{
ra_ntcp = a1.Random();
}
else
{
a1 = ntcpaddr.Where(a => Dns.GetHostEntry(a.Options["host"]).AddressList.
Any(aa => aa.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork));
if (a1.Any())
{
ra_ntcp = a1.Random();
}
}
I2PRouterAddress ra_ssu = null;
var ssuaddr = ri.Adresses.Where(a => (a.TransportStyle == "SSU") && a.Options.Contains("key"));
a1 = ssuaddr.Where(a => GetAddressFamiliy(a, "host") == System.Net.Sockets.AddressFamily.InterNetwork ||
GetAddressFamiliy(a, "ihost0") == System.Net.Sockets.AddressFamily.InterNetwork);
if (a1.Any())
{
ra_ssu = a1.Random();
}
else
{
a1 = ntcpaddr.Where(a => Dns.GetHostEntry(a.Options["host"]).AddressList.
Any(aa => aa.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork));
if (a1.Any())
{
ra_ssu = a1.Random();
}
else
{
a1 = ntcpaddr.Where(a => Dns.GetHostEntry(a.Options["ihost0"]).AddressList.
Any(aa => aa.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork));
if (a1.Any())
{
ra_ssu = a1.Random();
}
}
}
I2PRouterAddress ra;
//if ( ra_ntcp != null ) ra = ra_ntcp; else ra = ra_ssu;
if (ra_ssu != null)
{
ra = ra_ssu;
}
else
{
ra = ra_ntcp;
}
if (ra == null)
{
Logging.LogTransport(
string.Format("TransportProvider: CreateTransport: No usable address found for {0}!", ri.Identity.IdentHash.Id32Short));
return(null);
}
switch (ra.TransportStyle.ToString())
{
case "SSU":
transport = SsuHost.AddSession(ra, ri.Identity);
break;
case "NTCP":
transport = new NTCPClientOutgoing(ra, ri.Identity);
break;
default:
throw new NotImplementedException();
}
Logging.LogTransport(
string.Format("TransportProvider: Creating new {0} transport {2} to {1}",
ra.TransportStyle, ri.Identity.IdentHash.Id32Short, transport.DebugId));
AddTransport(transport, ri.Identity.IdentHash);
transport.Connect();
var dstore = new DatabaseStoreMessage(RouterContext.Inst.MyRouterInfo);
transport.Send(dstore);
}
catch (Exception ex)
{
#if LOG_ALL_TRANSPORT
Logging.LogTransport(ex);
Logging.LogTransport("TransportProvider: CreateTransport stack trace: " + System.Environment.StackTrace);
#else
Logging.LogTransport("TransportProvider: Exception [" + ex.GetType().ToString() + "] '" + ex.Message + "' to " +
ri.Identity.IdentHash.Id32Short + ".");
#endif
if (transport != null)
{
Remove(transport);
}
throw;
}
return(transport);
}
public static I2NPMessage GetMessage(
I2NPMessage.MessageTypes messagetype,
BufRef reader,
uint?msgid = null)
{
I2NPMessage result = null;
try
{
switch (messagetype)
{
case I2NPMessage.MessageTypes.Garlic:
result = new GarlicMessage(reader);
break;
case I2NPMessage.MessageTypes.Data:
result = new DataMessage(reader);
break;
case I2NPMessage.MessageTypes.DatabaseSearchReply:
result = new DatabaseSearchReplyMessage(reader);
break;
case I2NPMessage.MessageTypes.DatabaseStore:
result = new DatabaseStoreMessage(reader);
break;
case I2NPMessage.MessageTypes.DeliveryStatus:
result = new DeliveryStatusMessage(reader);
break;
case I2NPMessage.MessageTypes.TunnelData:
result = new TunnelDataMessage(reader);
break;
case I2NPMessage.MessageTypes.TunnelGateway:
result = new TunnelGatewayMessage(reader);
break;
case I2NPMessage.MessageTypes.DatabaseLookup:
result = new DatabaseLookupMessage(reader);
break;
case I2NPMessage.MessageTypes.VariableTunnelBuild:
result = new VariableTunnelBuildMessage(reader);
break;
case I2NPMessage.MessageTypes.TunnelBuild:
result = new TunnelBuildMessage(reader);
break;
case I2NPMessage.MessageTypes.TunnelBuildReply:
result = new TunnelBuildReplyMessage(reader);
break;
case I2NPMessage.MessageTypes.VariableTunnelBuildReply:
result = new VariableTunnelBuildReplyMessage(reader);
break;
default:
Logging.LogDebug($"GetMessage: '{messagetype}' is not a known message type!");
throw new NotImplementedException();
}
}
catch (Exception ex)
{
Logging.Log("GetMessage", ex);
throw;
}
if (result != null && msgid.HasValue)
{
result.MessageId = msgid.Value;
}
return(result);
}
