mirror of https://github.com/PurpleI2P/i2pd.git
I2P: End-to-End encrypted and anonymous Internet
https://i2pd.website/
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102 lines
3.0 KiB
102 lines
3.0 KiB
#include <fstream> |
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#include <cryptopp/dh.h> |
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#include <cryptopp/dsa.h> |
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#include "CryptoConst.h" |
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#include "RouterContext.h" |
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#include "util.h" |
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namespace i2p |
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{ |
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RouterContext context; |
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RouterContext::RouterContext () |
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{ |
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if (!Load ()) |
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CreateNewRouter (); |
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Save (); |
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// we generate LeaseSet at every start-up |
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CryptoPP::DH dh (i2p::crypto::elgp, i2p::crypto::elgg); |
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dh.GenerateKeyPair(m_Rnd, m_LeaseSetPrivateKey, m_LeaseSetPublicKey); |
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} |
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void RouterContext::CreateNewRouter () |
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{ |
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m_Keys = i2p::data::CreateRandomKeys (); |
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m_SigningPrivateKey.Initialize (i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag, |
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CryptoPP::Integer (m_Keys.signingPrivateKey, 20)); |
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UpdateRouterInfo (); |
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} |
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void RouterContext::UpdateRouterInfo () |
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{ |
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i2p::data::Identity ident; |
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ident = m_Keys; |
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i2p::data::RouterInfo routerInfo; |
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routerInfo.SetRouterIdentity (ident); |
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routerInfo.AddSSUAddress ("127.0.0.1", 17007, routerInfo.GetIdentHash ()); |
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routerInfo.AddNTCPAddress ("127.0.0.1", 17007); // TODO: |
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routerInfo.SetProperty ("caps", "LR"); |
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routerInfo.SetProperty ("coreVersion", "0.9.8.1"); |
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routerInfo.SetProperty ("netId", "2"); |
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routerInfo.SetProperty ("router.version", "0.9.8.1"); |
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routerInfo.SetProperty ("start_uptime", "90m"); |
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routerInfo.CreateBuffer (); |
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m_RouterInfo = routerInfo; |
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} |
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void RouterContext::OverrideNTCPAddress (const char * host, int port) |
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{ |
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m_RouterInfo.CreateBuffer (); |
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auto address = const_cast<i2p::data::RouterInfo::Address *>(m_RouterInfo.GetNTCPAddress ()); |
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if (address) |
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{ |
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address->host = boost::asio::ip::address::from_string (host); |
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address->port = port; |
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} |
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m_RouterInfo.CreateBuffer (); |
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Save (true); |
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} |
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void RouterContext::UpdateAddress (const char * host) |
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{ |
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for (auto& address : m_RouterInfo.GetAddresses ()) |
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address.host = boost::asio::ip::address::from_string (host); |
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m_RouterInfo.CreateBuffer (); |
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} |
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void RouterContext::Sign (uint8_t * buf, int len, uint8_t * signature) |
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{ |
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CryptoPP::DSA::Signer signer (m_SigningPrivateKey); |
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signer.SignMessage (m_Rnd, buf, len, signature); |
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} |
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bool RouterContext::Load () |
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{ |
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std::ifstream fk (i2p::util::filesystem::GetFullPath (ROUTER_KEYS).c_str (), std::ifstream::binary | std::ofstream::in); |
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if (!fk.is_open ()) return false; |
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fk.read ((char *)&m_Keys, sizeof (m_Keys)); |
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m_SigningPrivateKey.Initialize (i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag, |
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CryptoPP::Integer (m_Keys.signingPrivateKey, 20)); |
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m_RouterInfo = i2p::data::RouterInfo (i2p::util::filesystem::GetFullPath (ROUTER_INFO).c_str ()); // TODO |
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return true; |
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} |
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void RouterContext::Save (bool infoOnly) |
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{ |
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if (!infoOnly) |
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{ |
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std::ofstream fk (i2p::util::filesystem::GetFullPath (ROUTER_KEYS).c_str (), std::ofstream::binary | std::ofstream::out); |
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fk.write ((char *)&m_Keys, sizeof (m_Keys)); |
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} |
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std::ofstream fi (i2p::util::filesystem::GetFullPath (ROUTER_INFO).c_str (), std::ofstream::binary | std::ofstream::out); |
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fi.write ((char *)m_RouterInfo.GetBuffer (), m_RouterInfo.GetBufferLen ()); |
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} |
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}
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