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102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
#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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#include "version.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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}
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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 (i2p::util::config::GetCharArg("-host", "127.0.0.1"),
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i2p::util::config::GetArg("-port", 17007), routerInfo.GetIdentHash ());
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routerInfo.AddNTCPAddress (i2p::util::config::GetCharArg("-host", "127.0.0.1"),
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i2p::util::config::GetArg("-port", 17007));
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routerInfo.SetProperty ("caps", "LR");
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routerInfo.SetProperty ("coreVersion", I2P_VERSION);
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routerInfo.SetProperty ("netId", "2");
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routerInfo.SetProperty ("router.version", I2P_VERSION);
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routerInfo.SetProperty ("start_uptime", "90m");
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routerInfo.CreateBuffer ();
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m_RouterInfo.Update (routerInfo.GetBuffer (), routerInfo.GetBufferLen ());
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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 (const uint8_t * buf, int len, uint8_t * signature) const
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{
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CryptoPP::DSA::Signer signer (m_SigningPrivateKey);
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signer.SignMessage (i2p::context.GetRandomNumberGenerator (), 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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i2p::data::RouterInfo routerInfo(i2p::util::filesystem::GetFullPath (ROUTER_INFO)); // TODO
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m_RouterInfo.Update (routerInfo.GetBuffer (), routerInfo.GetBufferLen ());
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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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m_RouterInfo.SaveToFile (i2p::util::filesystem::GetFullPath (ROUTER_INFO));
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}
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}
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