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#include <string.h>
#include <atomic>
#include "I2PEndian.h"
#include <cryptopp/gzip.h>
#include "ElGamal.h"
#include "Timestamp.h"
#include "RouterContext.h"
#include "NetDb.h"
#include "Tunnel.h"
#include "base64.h"
#include "Transports.h"
#include "Garlic.h"
#include "I2NPProtocol.h"
using namespace i2p::transport;
namespace i2p
{
I2NPMessage * NewI2NPMessage ()
{
return new I2NPMessageBuffer<I2NP_MAX_MESSAGE_SIZE>();
}
I2NPMessage * NewI2NPShortMessage ()
{
return new I2NPMessageBuffer<I2NP_MAX_SHORT_MESSAGE_SIZE>();
}
I2NPMessage * NewI2NPMessage (size_t len)
{
return (len < I2NP_MAX_SHORT_MESSAGE_SIZE/2) ? NewI2NPShortMessage () : NewI2NPMessage ();
}
void DeleteI2NPMessage (I2NPMessage * msg)
{
delete msg;
}
static std::atomic<uint32_t> I2NPmsgID(0); // TODO: create class
void FillI2NPMessageHeader (I2NPMessage * msg, I2NPMessageType msgType, uint32_t replyMsgID)
{
msg->SetTypeID (msgType);
if (replyMsgID) // for tunnel creation
msg->SetMsgID (replyMsgID);
else
{
msg->SetMsgID (I2NPmsgID);
I2NPmsgID++;
}
msg->SetExpiration (i2p::util::GetMillisecondsSinceEpoch () + 5000); // TODO: 5 secs is a magic number
msg->UpdateSize ();
msg->UpdateChks ();
}
void RenewI2NPMessageHeader (I2NPMessage * msg)
{
if (msg)
{
msg->SetMsgID (I2NPmsgID);
I2NPmsgID++;
msg->SetExpiration (i2p::util::GetMillisecondsSinceEpoch () + 5000);
}
}
I2NPMessage * CreateI2NPMessage (I2NPMessageType msgType, const uint8_t * buf, int len, uint32_t replyMsgID)
{
I2NPMessage * msg = NewI2NPMessage (len);
memcpy (msg->GetPayload (), buf, len);
msg->len += len;
FillI2NPMessageHeader (msg, msgType, replyMsgID);
return msg;
}
I2NPMessage * CreateI2NPMessage (const uint8_t * buf, int len, i2p::tunnel::InboundTunnel * from)
{
I2NPMessage * msg = NewI2NPMessage ();
memcpy (msg->GetBuffer (), buf, len);
msg->len = msg->offset + len;
msg->from = from;
return msg;
}
I2NPMessage * CreateDeliveryStatusMsg (uint32_t msgID)
{
I2NPMessage * m = NewI2NPMessage ();
uint8_t * buf = m->GetPayload ();
if (msgID)
{
htobe32buf (buf + DELIVERY_STATUS_MSGID_OFFSET, msgID);
htobe64buf (buf + DELIVERY_STATUS_TIMESTAMP_OFFSET, i2p::util::GetMillisecondsSinceEpoch ());
}
else // for SSU establishment
{
htobe32buf (buf + DELIVERY_STATUS_MSGID_OFFSET, i2p::context.GetRandomNumberGenerator ().GenerateWord32 ());
htobe64buf (buf + DELIVERY_STATUS_TIMESTAMP_OFFSET, 2); // netID = 2
}
m->len += DELIVERY_STATUS_SIZE;
FillI2NPMessageHeader (m, eI2NPDeliveryStatus);
return m;
}
I2NPMessage * CreateDatabaseLookupMsg (const uint8_t * key, const uint8_t * from,
uint32_t replyTunnelID, bool exploratory, std::set<i2p::data::IdentHash> * excludedPeers,
bool encryption, i2p::tunnel::TunnelPool * pool)
{
I2NPMessage * m = NewI2NPMessage ();
uint8_t * buf = m->GetPayload ();
memcpy (buf, key, 32); // key
buf += 32;
memcpy (buf, from, 32); // from
buf += 32;
if (replyTunnelID)
{
*buf = encryption ? 0x03: 0x01; // set delivery flag
htobe32buf (buf+1, replyTunnelID);
buf += 5;
}
else
{
encryption = false; // encryption can we set for tunnels only
*buf = 0; // flag
buf++;
}
if (exploratory)
{
htobe16buf (buf,1); // one exlude record
buf += 2;
// reply with non-floodfill routers only
memset (buf, 0, 32);
buf += 32;
}
else
{
if (excludedPeers)
{
int cnt = excludedPeers->size ();
htobe16buf (buf, cnt);
buf += 2;
for (auto& it: *excludedPeers)
{
memcpy (buf, it, 32);
buf += 32;
}
}
else
{
// nothing to exclude
htobuf16 (buf, 0);
buf += 2;
}
}
if (encryption)
{
// session key and tag for reply
auto& rnd = i2p::context.GetRandomNumberGenerator ();
rnd.GenerateBlock (buf, 32); // key
buf[32] = 1; // 1 tag
rnd.GenerateBlock (buf + 33, 32); // tag
if (pool && pool->GetLocalDestination ())
pool->GetLocalDestination ()->SubmitSessionKey (buf, buf + 33); // introduce new key-tag to garlic engine
else
LogPrint ("Destination for encrypteed reply not specified");
buf += 65;
}
m->len += (buf - m->GetPayload ());
FillI2NPMessageHeader (m, eI2NPDatabaseLookup);
return m;
}
I2NPMessage * CreateLeaseSetDatabaseLookupMsg (const i2p::data::IdentHash& dest,
const std::set<i2p::data::IdentHash>& excludedFloodfills,
const i2p::tunnel::InboundTunnel * replyTunnel, const uint8_t * replyKey, const uint8_t * replyTag)
{
I2NPMessage * m = NewI2NPMessage ();
uint8_t * buf = m->GetPayload ();
memcpy (buf, dest, 32); // key
buf += 32;
memcpy (buf, replyTunnel->GetNextIdentHash (), 32); // reply tunnel GW
buf += 32;
*buf = 7; // flags (01 - tunnel, 10 - encrypted, 0100 - LS lookup
htobe32buf (buf + 1, replyTunnel->GetNextTunnelID ()); // reply tunnel ID
buf += 5;
// excluded
int cnt = excludedFloodfills.size ();
htobe16buf (buf, cnt);
buf += 2;
if (cnt > 0)
{
for (auto& it: excludedFloodfills)
{
memcpy (buf, it, 32);
buf += 32;
}
}
// encryption
memcpy (buf, replyKey, 32);
buf[32] = 1; // 1 tag
memcpy (buf + 33, replyTag, 32);
buf += 65;
m->len += (buf - m->GetPayload ());
FillI2NPMessageHeader (m, eI2NPDatabaseLookup);
return m;
}
I2NPMessage * CreateDatabaseSearchReply (const i2p::data::IdentHash& ident,
const i2p::data::RouterInfo * floodfill)
{
I2NPMessage * m = NewI2NPShortMessage ();
uint8_t * buf = m->GetPayload ();
size_t len = 0;
memcpy (buf, ident, 32);
len += 32;
buf[len] = floodfill ? 1 : 0; // 1 router for now
len++;
if (floodfill)
{
memcpy (buf + len, floodfill->GetIdentHash (), 32);
len += 32;
}
memcpy (buf + len, i2p::context.GetRouterInfo ().GetIdentHash (), 32);
len += 32;
m->len += len;
FillI2NPMessageHeader (m, eI2NPDatabaseSearchReply);
return m;
}
I2NPMessage * CreateDatabaseStoreMsg (const i2p::data::RouterInfo * router)
{
if (!router) // we send own RouterInfo
router = &context.GetRouterInfo ();
I2NPMessage * m = NewI2NPShortMessage ();
uint8_t * payload = m->GetPayload ();
memcpy (payload + DATABASE_STORE_KEY_OFFSET, router->GetIdentHash (), 32);
payload[DATABASE_STORE_TYPE_OFFSET] = 0;
htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0);
CryptoPP::Gzip compressor;
compressor.Put (router->GetBuffer (), router->GetBufferLen ());
compressor.MessageEnd();
auto size = compressor.MaxRetrievable ();
uint8_t * buf = payload + DATABASE_STORE_HEADER_SIZE;
htobe16buf (buf, size); // size
buf += 2;
// TODO: check if size doesn't exceed buffer
compressor.Get (buf, size);
m->len += DATABASE_STORE_HEADER_SIZE + 2 + size; // payload size
FillI2NPMessageHeader (m, eI2NPDatabaseStore);
return m;
}
I2NPMessage * CreateDatabaseStoreMsg (const i2p::data::LeaseSet * leaseSet, uint32_t replyToken)
{
if (!leaseSet) return nullptr;
I2NPMessage * m = NewI2NPShortMessage ();
uint8_t * payload = m->GetPayload ();
memcpy (payload + DATABASE_STORE_KEY_OFFSET, leaseSet->GetIdentHash (), 32);
payload[DATABASE_STORE_TYPE_OFFSET] = 1; // LeaseSet
htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, replyToken);
size_t size = DATABASE_STORE_HEADER_SIZE;
if (replyToken)
{
auto leases = leaseSet->GetNonExpiredLeases ();
if (leases.size () > 0)
{
htobe32buf (payload + size, leases[0].tunnelID);
size += 4; // reply tunnelID
memcpy (payload + size, leases[0].tunnelGateway, 32);
size += 32; // reply tunnel gateway
}
else
htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0);
}
memcpy (payload + size, leaseSet->GetBuffer (), leaseSet->GetBufferLen ());
size += leaseSet->GetBufferLen ();
m->len += size;
FillI2NPMessageHeader (m, eI2NPDatabaseStore);
return m;
}
I2NPBuildRequestRecordClearText CreateBuildRequestRecord (
const uint8_t * ourIdent, uint32_t receiveTunnelID,
const uint8_t * nextIdent, uint32_t nextTunnelID,
const uint8_t * layerKey,const uint8_t * ivKey,
const uint8_t * replyKey, const uint8_t * replyIV, uint32_t nextMessageID,
bool isGateway, bool isEndpoint)
{
I2NPBuildRequestRecordClearText clearText;
clearText.receiveTunnel = htobe32 (receiveTunnelID);
clearText.nextTunnel = htobe32(nextTunnelID);
memcpy (clearText.layerKey, layerKey, 32);
memcpy (clearText.ivKey, ivKey, 32);
memcpy (clearText.replyKey, replyKey, 32);
memcpy (clearText.replyIV, replyIV, 16);
clearText.flag = 0;
if (isGateway) clearText.flag |= 0x80;
if (isEndpoint) clearText.flag |= 0x40;
memcpy (clearText.ourIdent, ourIdent, 32);
memcpy (clearText.nextIdent, nextIdent, 32);
clearText.requestTime = htobe32 (i2p::util::GetHoursSinceEpoch ());
clearText.nextMessageID = htobe32(nextMessageID);
return clearText;
}
void EncryptBuildRequestRecord (const i2p::data::RouterInfo& router,
const I2NPBuildRequestRecordClearText& clearText, uint8_t * record)
{
router.GetElGamalEncryption ()->Encrypt ((uint8_t *)&clearText, sizeof(clearText), record + BUILD_REQUEST_RECORD_ENCRYPTED_OFFSET);
memcpy (record + BUILD_REQUEST_RECORD_TO_PEER_OFFSET, (const uint8_t *)router.GetIdentHash (), 16);
}
bool HandleBuildRequestRecords (int num, uint8_t * records, I2NPBuildRequestRecordClearText& clearText)
{
for (int i = 0; i < num; i++)
{
uint8_t * record = records + i*TUNNEL_BUILD_RECORD_SIZE;
if (!memcmp (record + BUILD_REQUEST_RECORD_TO_PEER_OFFSET, (const uint8_t *)i2p::context.GetRouterInfo ().GetIdentHash (), 16))
{
LogPrint ("Record ",i," is ours");
i2p::crypto::ElGamalDecrypt (i2p::context.GetEncryptionPrivateKey (), record + BUILD_REQUEST_RECORD_ENCRYPTED_OFFSET, (uint8_t *)&clearText);
// replace record to reply
if (i2p::context.AcceptsTunnels ())
{
i2p::tunnel::TransitTunnel * transitTunnel =
i2p::tunnel::CreateTransitTunnel (
be32toh (clearText.receiveTunnel),
clearText.nextIdent, be32toh (clearText.nextTunnel),
clearText.layerKey, clearText.ivKey,
clearText.flag & 0x80, clearText.flag & 0x40);
i2p::tunnel::tunnels.AddTransitTunnel (transitTunnel);
record[BUILD_RESPONSE_RECORD_RET_OFFSET] = 0;
}
else
record[BUILD_RESPONSE_RECORD_RET_OFFSET] = 30; // always reject with bandwidth reason (30)
//TODO: fill filler
CryptoPP::SHA256().CalculateDigest(record + BUILD_RESPONSE_RECORD_HASH_OFFSET,
record + BUILD_RESPONSE_RECORD_PADDING_OFFSET, BUILD_RESPONSE_RECORD_PADDING_SIZE + 1); // + 1 byte of ret
// encrypt reply
i2p::crypto::CBCEncryption encryption;
for (int j = 0; j < num; j++)
{
encryption.SetKey (clearText.replyKey);
encryption.SetIV (clearText.replyIV);
uint8_t * reply = records + j*TUNNEL_BUILD_RECORD_SIZE;
encryption.Encrypt(reply, TUNNEL_BUILD_RECORD_SIZE, reply);
}
return true;
}
}
return false;
}
void HandleVariableTunnelBuildMsg (uint32_t replyMsgID, uint8_t * buf, size_t len)
{
int num = buf[0];
LogPrint ("VariableTunnelBuild ", num, " records");
i2p::tunnel::Tunnel * tunnel = i2p::tunnel::tunnels.GetPendingTunnel (replyMsgID);
if (tunnel)
{
// endpoint of inbound tunnel
LogPrint ("VariableTunnelBuild reply for tunnel ", tunnel->GetTunnelID ());
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint ("Inbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (i2p::tunnel::eTunnelStateEstablished);
i2p::tunnel::tunnels.AddInboundTunnel (static_cast<i2p::tunnel::InboundTunnel *>(tunnel));
}
else
{
LogPrint ("Inbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (i2p::tunnel::eTunnelStateBuildFailed);
}
}
else
{
I2NPBuildRequestRecordClearText clearText;
if (HandleBuildRequestRecords (num, buf + 1, clearText))
{
if (clearText.flag & 0x40) // we are endpoint of outboud tunnel
{
// so we send it to reply tunnel
transports.SendMessage (clearText.nextIdent,
CreateTunnelGatewayMsg (be32toh (clearText.nextTunnel),
eI2NPVariableTunnelBuildReply, buf, len,
be32toh (clearText.nextMessageID)));
}
else
transports.SendMessage (clearText.nextIdent,
CreateI2NPMessage (eI2NPVariableTunnelBuild, buf, len, be32toh (clearText.nextMessageID)));
}
}
}
void HandleTunnelBuildMsg (uint8_t * buf, size_t len)
{
I2NPBuildRequestRecordClearText clearText;
if (HandleBuildRequestRecords (NUM_TUNNEL_BUILD_RECORDS, buf, clearText))
{
if (clearText.flag & 0x40) // we are endpoint of outbound tunnel
{
// so we send it to reply tunnel
transports.SendMessage (clearText.nextIdent,
CreateTunnelGatewayMsg (be32toh (clearText.nextTunnel),
eI2NPTunnelBuildReply, buf, len,
be32toh (clearText.nextMessageID)));
}
else
transports.SendMessage (clearText.nextIdent,
CreateI2NPMessage (eI2NPTunnelBuild, buf, len, be32toh (clearText.nextMessageID)));
}
}
void HandleVariableTunnelBuildReplyMsg (uint32_t replyMsgID, uint8_t * buf, size_t len)
{
LogPrint ("VariableTunnelBuildReplyMsg replyMsgID=", replyMsgID);
i2p::tunnel::Tunnel * tunnel = i2p::tunnel::tunnels.GetPendingTunnel (replyMsgID);
if (tunnel)
{
// reply for outbound tunnel
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint ("Outbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (i2p::tunnel::eTunnelStateEstablished);
i2p::tunnel::tunnels.AddOutboundTunnel (static_cast<i2p::tunnel::OutboundTunnel *>(tunnel));
}
else
{
LogPrint ("Outbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (i2p::tunnel::eTunnelStateBuildFailed);
}
}
else
LogPrint ("Pending tunnel for message ", replyMsgID, " not found");
}
I2NPMessage * CreateTunnelDataMsg (const uint8_t * buf)
{
I2NPMessage * msg = NewI2NPMessage ();
memcpy (msg->GetPayload (), buf, i2p::tunnel::TUNNEL_DATA_MSG_SIZE);
msg->len += i2p::tunnel::TUNNEL_DATA_MSG_SIZE;
FillI2NPMessageHeader (msg, eI2NPTunnelData);
return msg;
}
I2NPMessage * CreateTunnelDataMsg (uint32_t tunnelID, const uint8_t * payload)
{
I2NPMessage * msg = NewI2NPMessage ();
memcpy (msg->GetPayload () + 4, payload, i2p::tunnel::TUNNEL_DATA_MSG_SIZE - 4);
htobe32buf (msg->GetPayload (), tunnelID);
msg->len += i2p::tunnel::TUNNEL_DATA_MSG_SIZE;
FillI2NPMessageHeader (msg, eI2NPTunnelData);
return msg;
}
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, const uint8_t * buf, size_t len)
{
I2NPMessage * msg = NewI2NPMessage (len);
uint8_t * payload = msg->GetPayload ();
htobe32buf (payload + TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET, tunnelID);
htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len);
memcpy (payload + TUNNEL_GATEWAY_HEADER_SIZE, buf, len);
msg->len += TUNNEL_GATEWAY_HEADER_SIZE + len;
FillI2NPMessageHeader (msg, eI2NPTunnelGateway);
return msg;
}
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessage * msg)
{
if (msg->offset >= I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE)
{
// message is capable to be used without copying
uint8_t * payload = msg->GetBuffer () - TUNNEL_GATEWAY_HEADER_SIZE;
htobe32buf (payload + TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET, tunnelID);
int len = msg->GetLength ();
htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len);
msg->offset -= (I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE);
msg->len = msg->offset + I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE +len;
FillI2NPMessageHeader (msg, eI2NPTunnelGateway);
return msg;
}
else
{
I2NPMessage * msg1 = CreateTunnelGatewayMsg (tunnelID, msg->GetBuffer (), msg->GetLength ());
DeleteI2NPMessage (msg);
return msg1;
}
}
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessageType msgType,
const uint8_t * buf, size_t len, uint32_t replyMsgID)
{
I2NPMessage * msg = NewI2NPMessage (len);
size_t gatewayMsgOffset = I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE;
msg->offset += gatewayMsgOffset;
msg->len += gatewayMsgOffset;
memcpy (msg->GetPayload (), buf, len);
msg->len += len;
FillI2NPMessageHeader (msg, msgType, replyMsgID); // create content message
len = msg->GetLength ();
msg->offset -= gatewayMsgOffset;
uint8_t * payload = msg->GetPayload ();
htobe32buf (payload + TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET, tunnelID);
htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len);
FillI2NPMessageHeader (msg, eI2NPTunnelGateway); // gateway message
return msg;
}
void HandleTunnelGatewayMsg (I2NPMessage * msg)
{
const uint8_t * payload = msg->GetPayload ();
uint32_t tunnelID = bufbe32toh(payload + TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET);
uint16_t len = bufbe16toh(payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET);
// we make payload as new I2NP message to send
msg->offset += I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE;
msg->len = msg->offset + len;
auto typeID = msg->GetTypeID ();
LogPrint ("TunnelGateway of ", (int)len, " bytes for tunnel ", (unsigned int)tunnelID, ". Msg type ", (int)typeID);
if (typeID == eI2NPDatabaseStore || typeID == eI2NPDatabaseSearchReply)
{
// transit DatabaseStore my contain new/updated RI
// or DatabaseSearchReply with new routers
auto ds = NewI2NPMessage ();
*ds = *msg;
i2p::data::netdb.PostI2NPMsg (ds);
}
i2p::tunnel::TransitTunnel * tunnel = i2p::tunnel::tunnels.GetTransitTunnel (tunnelID);
if (tunnel)
tunnel->SendTunnelDataMsg (msg);
else
{
LogPrint ("Tunnel ", (unsigned int)tunnelID, " not found");
i2p::DeleteI2NPMessage (msg);
}
}
size_t GetI2NPMessageLength (const uint8_t * msg)
{
return bufbe16toh (msg + I2NP_HEADER_SIZE_OFFSET) + I2NP_HEADER_SIZE;
}
void HandleI2NPMessage (uint8_t * msg, size_t len)
{
uint8_t typeID = msg[I2NP_HEADER_TYPEID_OFFSET];
uint32_t msgID = bufbe32toh (msg + I2NP_HEADER_MSGID_OFFSET);
LogPrint ("I2NP msg received len=", len,", type=", (int)typeID, ", msgID=", (unsigned int)msgID);
uint8_t * buf = msg + I2NP_HEADER_SIZE;
int size = bufbe16toh (msg + I2NP_HEADER_SIZE_OFFSET);
switch (typeID)
{
case eI2NPVariableTunnelBuild:
LogPrint ("VariableTunnelBuild");
HandleVariableTunnelBuildMsg (msgID, buf, size);
break;
case eI2NPVariableTunnelBuildReply:
LogPrint ("VariableTunnelBuildReply");
HandleVariableTunnelBuildReplyMsg (msgID, buf, size);
break;
case eI2NPTunnelBuild:
LogPrint ("TunnelBuild");
HandleTunnelBuildMsg (buf, size);
break;
case eI2NPTunnelBuildReply:
LogPrint ("TunnelBuildReply");
// TODO:
break;
default:
LogPrint ("Unexpected message ", (int)typeID);
}
}
void HandleI2NPMessage (I2NPMessage * msg)
{
if (msg)
{
switch (msg->GetTypeID ())
{
case eI2NPTunnelData:
LogPrint ("TunnelData");
i2p::tunnel::tunnels.PostTunnelData (msg);
break;
case eI2NPTunnelGateway:
LogPrint ("TunnelGateway");
HandleTunnelGatewayMsg (msg);
break;
case eI2NPGarlic:
LogPrint ("Garlic");
if (msg->from)
{
if (msg->from->GetTunnelPool ())
msg->from->GetTunnelPool ()->ProcessGarlicMessage (msg);
else
{
LogPrint (eLogInfo, "Local destination for garlic doesn't exist anymore");
DeleteI2NPMessage (msg);
}
}
else
i2p::context.ProcessGarlicMessage (msg);
break;
case eI2NPDatabaseStore:
case eI2NPDatabaseSearchReply:
case eI2NPDatabaseLookup:
// forward to netDb
i2p::data::netdb.PostI2NPMsg (msg);
break;
case eI2NPDeliveryStatus:
LogPrint ("DeliveryStatus");
if (msg->from && msg->from->GetTunnelPool ())
msg->from->GetTunnelPool ()->ProcessDeliveryStatus (msg);
else
i2p::context.ProcessDeliveryStatusMessage (msg);
break;
default:
HandleI2NPMessage (msg->GetBuffer (), msg->GetLength ());
DeleteI2NPMessage (msg);
}
}
}
}