I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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#include <fstream>
#include <cryptopp/dh.h>
#include <cryptopp/dsa.h>
#include "CryptoConst.h"
#include "RouterContext.h"
#include "util.h"
#include "version.h"
namespace i2p
{
RouterContext context;
RouterContext::RouterContext ()
{
if (!Load ())
CreateNewRouter ();
Save ();
}
void RouterContext::CreateNewRouter ()
{
m_Keys = i2p::data::CreateRandomKeys ();
UpdateRouterInfo ();
}
void RouterContext::UpdateRouterInfo ()
{
i2p::data::RouterInfo routerInfo;
routerInfo.SetRouterIdentity (GetIdentity ().GetStandardIdentity ());
routerInfo.AddSSUAddress (i2p::util::config::GetCharArg("-host", "127.0.0.1"),
i2p::util::config::GetArg("-port", 17007), routerInfo.GetIdentHash ());
routerInfo.AddNTCPAddress (i2p::util::config::GetCharArg("-host", "127.0.0.1"),
i2p::util::config::GetArg("-port", 17007));
routerInfo.SetProperty ("caps", "LR");
routerInfo.SetProperty ("coreVersion", I2P_VERSION);
routerInfo.SetProperty ("netId", "2");
routerInfo.SetProperty ("router.version", I2P_VERSION);
routerInfo.SetProperty ("start_uptime", "90m");
routerInfo.CreateBuffer (m_Keys);
m_RouterInfo.Update (routerInfo.GetBuffer (), routerInfo.GetBufferLen ());
}
void RouterContext::OverrideNTCPAddress (const char * host, int port)
{
m_RouterInfo.CreateBuffer (m_Keys);
auto address = const_cast<i2p::data::RouterInfo::Address *>(m_RouterInfo.GetNTCPAddress ());
if (address)
{
address->host = boost::asio::ip::address::from_string (host);
address->port = port;
}
m_RouterInfo.CreateBuffer (m_Keys);
Save (true);
}
void RouterContext::UpdateAddress (const char * host)
{
for (auto& address : m_RouterInfo.GetAddresses ())
address.host = boost::asio::ip::address::from_string (host);
m_RouterInfo.CreateBuffer (m_Keys);
}
bool RouterContext::Load ()
{
std::ifstream fk (i2p::util::filesystem::GetFullPath (ROUTER_KEYS).c_str (), std::ifstream::binary | std::ofstream::in);
if (!fk.is_open ()) return false;
i2p::data::Keys keys;
fk.read ((char *)&keys, sizeof (keys));
m_Keys = keys;
i2p::data::RouterInfo routerInfo(i2p::util::filesystem::GetFullPath (ROUTER_INFO)); // TODO
m_RouterInfo.Update (routerInfo.GetBuffer (), routerInfo.GetBufferLen ());
return true;
}
void RouterContext::Save (bool infoOnly)
{
if (!infoOnly)
{
std::ofstream fk (i2p::util::filesystem::GetFullPath (ROUTER_KEYS).c_str (), std::ofstream::binary | std::ofstream::out);
i2p::data::Keys keys;
memcpy (keys.privateKey, m_Keys.GetPrivateKey (), sizeof (keys.privateKey));
memcpy (keys.signingPrivateKey, m_Keys.GetSigningPrivateKey (), sizeof (keys.signingPrivateKey));
auto& ident = GetIdentity ().GetStandardIdentity ();
memcpy (keys.publicKey, ident.publicKey, sizeof (keys.publicKey));
memcpy (keys.signingKey, ident.signingKey, sizeof (keys.signingKey));
fk.write ((char *)&keys, sizeof (keys));
}
m_RouterInfo.SaveToFile (i2p::util::filesystem::GetFullPath (ROUTER_INFO));
}
}