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implement i2cp session reconfigure

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Jeff Becker 2018-01-02 11:34:58 -05:00
parent 7b00d828b2
commit 938d5d901a
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GPG key ID: F357B3B42F6F9B05
5 changed files with 114 additions and 2 deletions
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55
libi2pd_client/I2CP.cpp
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@ -416,8 +416,59 @@ namespace client
void I2CPSession::ReconfigureSessionMessageHandler (const uint8_t * buf, size_t len)
{
// TODO: implement actual reconfiguration
SendSessionStatusMessage (2); // updated
uint8_t status = 3; // rejected
if(len > sizeof(uint16_t))
{
uint16_t sessionID = bufbe16toh(buf);
if(sessionID == m_SessionID)
{
buf += sizeof(uint16_t);
const uint8_t * body = buf;
i2p::data::IdentityEx ident;
if(ident.FromBuffer(buf, len - sizeof(uint16_t)))
{
if (ident == *m_Destination->GetIdentity())
{
size_t identsz = ident.GetFullLen();
buf += identsz;
uint16_t optssize = bufbe16toh(buf);
if (optssize <= len - sizeof(uint16_t) - sizeof(uint64_t) - identsz - ident.GetSignatureLen() - sizeof(uint16_t))
{
buf += sizeof(uint16_t);
std::map<std::string, std::string> opts;
ExtractMapping(buf, optssize, opts);
buf += optssize;
//uint64_t date = bufbe64toh(buf);
buf += sizeof(uint64_t);
const uint8_t * sig = buf;
if(ident.Verify(body, len - sizeof(uint16_t), sig))
{
if(m_Destination->Reconfigure(opts))
{
LogPrint(eLogInfo, "I2CP: reconfigured destination");
status = 2; // updated
}
else
LogPrint(eLogWarning, "I2CP: failed to reconfigure destination");
}
else
LogPrint(eLogError, "I2CP: invalid reconfigure message signature");
}
else
LogPrint(eLogError, "I2CP: mapping size missmatch");
}
else
LogPrint(eLogError, "I2CP: destination missmatch");
}
else
LogPrint(eLogError, "I2CP: malfromed destination");
}
else
LogPrint(eLogError, "I2CP: session missmatch");
}
else
LogPrint(eLogError, "I2CP: short message");
SendSessionStatusMessage (status);
}
void I2CPSession::SendSessionStatusMessage (uint8_t status)