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generate new token with longer expiration time

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orignal 2022-06-16 22:37:33 -04:00
parent 079f7e515c
commit 67252b90b3
4 changed files with 21 additions and 9 deletions
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17
libi2pd/SSU2.cpp
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@ -582,16 +582,25 @@ namespace transport
return 0;
}
std::pair<uint64_t, uint32_t> SSU2Server::GetIncomingToken (const boost::asio::ip::udp::endpoint& ep)
uint64_t SSU2Server::GetIncomingToken (const boost::asio::ip::udp::endpoint& ep)
{
auto it = m_IncomingTokens.find (ep);
if (it != m_IncomingTokens.end ())
return it->second;
return it->second.first;
uint64_t token;
RAND_bytes ((uint8_t *)&token, 8);
auto ret = std::make_pair (token, i2p::util::GetSecondsSinceEpoch () + SSU2_TOKEN_EXPIRATION_TIMEOUT);
m_IncomingTokens.emplace (ep, std::make_pair (token, i2p::util::GetSecondsSinceEpoch () + SSU2_TOKEN_EXPIRATION_TIMEOUT));
return token;
}
std::pair<uint64_t, uint32_t> SSU2Server::NewIncomingToken (const boost::asio::ip::udp::endpoint& ep)
{
m_IncomingTokens.erase (ep); // drop previous
uint64_t token;
RAND_bytes ((uint8_t *)&token, 8);
auto ret = std::make_pair (token, i2p::util::GetSecondsSinceEpoch () + SSU2_NEXT_TOKEN_EXPIRATION_TIMEOUT);
m_IncomingTokens.emplace (ep, ret);
return ret;
}
}
}
}