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attach LeaseSet clove

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orignal 2020-01-22 14:26:47 -05:00
parent 7c212bef63
commit 34295adb05
2 changed files with 30 additions and 11 deletions
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40
libi2pd/ECIESX25519AEADRatchetSession.cpp
View File

@ -302,18 +302,36 @@ namespace garlic
std::vector<uint8_t> ECIESX25519AEADRatchetSession::CreatePayload (std::shared_ptr<const I2NPMessage> msg)
{
uint16_t cloveSize = msg->GetPayloadLength () + 9 + 1;
std::vector<uint8_t> v(cloveSize + 3);
uint8_t * payload = v.data ();
payload[0] = eECIESx25519BlkGalicClove; // clove type
htobe16buf (payload + 1, cloveSize); // size
payload[3] = 0; // flag and delivery instructions
payload[4] = msg->GetTypeID (); // I2NP msg type
htobe32buf (payload + 5, msg->GetMsgID ()); // msgID
htobe32buf (payload + 9, msg->GetExpiration ()/1000); // expiration in seconds
memcpy (payload + 13, msg->GetPayload (), msg->GetPayloadLength ());
size_t payloadLen = 0;
if (payloadLen)
payloadLen += msg->GetPayloadLength () + 13;
auto leaseSet = CreateDatabaseStoreMsg (GetOwner ()->GetLeaseSet ());
if (leaseSet)
payloadLen += leaseSet->GetPayloadLength () + 13;
std::vector<uint8_t> v(payloadLen);
size_t offset = 0;
if (leaseSet)
offset += CreateGarlicClove (leaseSet, v.data () + offset, payloadLen - offset);
if (msg)
offset += CreateGarlicClove (msg, v.data () + offset, payloadLen - offset);
return v;
}
}
size_t ECIESX25519AEADRatchetSession::CreateGarlicClove (std::shared_ptr<const I2NPMessage> msg, uint8_t * buf, size_t len)
{
if (!msg) return 0;
uint16_t cloveSize = msg->GetPayloadLength () + 9 + 1;
if ((int)len < cloveSize + 3) return 0;
buf[0] = eECIESx25519BlkGalicClove; // clove type
htobe16buf (buf + 1, cloveSize); // size
buf[3] = 0; // flag and delivery instructions
buf[4] = msg->GetTypeID (); // I2NP msg type
htobe32buf (buf + 5, msg->GetMsgID ()); // msgID
htobe32buf (buf + 9, msg->GetExpiration ()/1000); // expiration in seconds
memcpy (buf + 13, msg->GetPayload (), msg->GetPayloadLength ());
return cloveSize + 3;
}
}
}

1
libi2pd/ECIESX25519AEADRatchetSession.h
View File

@ -81,6 +81,7 @@ namespace garlic
bool NewOutgoingSessionMessage (const uint8_t * payload, size_t len, uint8_t * out, size_t outLen);
bool NewSessionReplyMessage (const uint8_t * payload, size_t len, uint8_t * out, size_t outLen);
std::vector<uint8_t> CreatePayload (std::shared_ptr<const I2NPMessage> msg);
size_t CreateGarlicClove (std::shared_ptr<const I2NPMessage> msg, uint8_t * buf, size_t len);
private: