void ConnectionManager::connect(const Node::Ptr& node, const string& token, bool secure)
{
// don't allow connection if we didn't proceed a handshake
if(!node->isOnline())
{
// do handshake at first
DHT::getInstance()->info(node->getIdentity().getIp(), static_cast<uint16_t>(Util::toInt(node->getIdentity().getUdpPort())),
DHT::PING | DHT::MAKE_ONLINE, node->getUser()->getCID(), node->getUdpKey());
return;
}
bool active = ClientManager::getInstance()->isActive();
// if I am not active, send reverse connect to me request
AdcCommand cmd(active ? AdcCommand::CMD_CTM : AdcCommand::CMD_RCM, AdcCommand::TYPE_UDP);
cmd.addParam(secure ? SECURE_CLIENT_PROTOCOL_TEST : CLIENT_PROTOCOL);
if(active)
{
uint16_t port = secure ? dcpp::ConnectionManager::getInstance()->getSecurePort() : dcpp::ConnectionManager::getInstance()->getPort();
cmd.addParam(Util::toString(port));
}
cmd.addParam(token);
DHT::getInstance()->send(cmd, node->getIdentity().getIp(), static_cast<uint16_t>(Util::toInt(node->getIdentity().getUdpPort())),
node->getUser()->getCID(), node->getUdpKey());
}
/*
* Creates connection to specified node
*/
void ConnectionManager::connectToMe(const Node::Ptr& node, const AdcCommand& cmd)
{
// don't allow connection if we didn't proceed a handshake
if(!node->isOnline())
{
// do handshake at first
DHT::getInstance()->info(node->getIdentity().getIp(), static_cast<uint16_t>(Util::toInt(node->getIdentity().getUdpPort())),
DHT::PING | DHT::MAKE_ONLINE, node->getUser()->getCID(), node->getUdpKey());
return;
}
const string& protocol = cmd.getParam(1);
const string& port = cmd.getParam(2);
const string& token = cmd.getParam(3);
bool secure = false;
if(protocol == CLIENT_PROTOCOL)
{
// Nothing special
}
else if(protocol == SECURE_CLIENT_PROTOCOL_TEST && CryptoManager::getInstance()->TLSOk())
{
secure = true;
}
else
{
AdcCommand cmd(AdcCommand::SEV_FATAL, AdcCommand::ERROR_PROTOCOL_UNSUPPORTED, "Protocol unknown", AdcCommand::TYPE_UDP);
cmd.addParam("PR", protocol);
cmd.addParam("TO", token);
DHT::getInstance()->send(cmd, node->getIdentity().getIp(), static_cast<uint16_t>(Util::toInt(node->getIdentity().getUdpPort())),
node->getUser()->getCID(), node->getUdpKey());
return;
}
if(!node->getIdentity().isTcpActive(0))
{
AdcCommand err(AdcCommand::SEV_FATAL, AdcCommand::ERROR_PROTOCOL_GENERIC, "IP unknown", AdcCommand::TYPE_UDP);
DHT::getInstance()->send(err, node->getIdentity().getIp(), static_cast<uint16_t>(Util::toInt(node->getIdentity().getUdpPort())),
node->getUser()->getCID(), node->getUdpKey());
return;
}
dcpp::ConnectionManager::getInstance()->adcConnect(*node, static_cast<uint16_t>(Util::toInt(port)), token, secure);
}