mirror of
https://github.com/PurpleI2P/i2pd.git
synced 2025-04-25 10:26:37 +02:00
Merge f168e4586c
into ac2caf2787
This commit is contained in:
commit
34e3ac2b7a
7 changed files with 291 additions and 70 deletions
|
@ -91,6 +91,7 @@ namespace config {
|
|||
("httpproxy.outbound.quantity", value<std::string>()->default_value("5"), "HTTP proxy outbound tunnels quantity")
|
||||
("httpproxy.latency.min", value<std::string>()->default_value("0"), "HTTP proxy min latency for tunnels")
|
||||
("httpproxy.latency.max", value<std::string>()->default_value("0"), "HTTP proxy max latency for tunnels")
|
||||
("httpproxy.outproxy", value<std::string>()->default_value(""), "HTTP proxy upstream out proxy url")
|
||||
;
|
||||
|
||||
options_description socksproxy("SOCKS Proxy options");
|
||||
|
|
191
HTTPProxy.cpp
191
HTTPProxy.cpp
|
@ -64,15 +64,37 @@ namespace proxy {
|
|||
void HostNotFound(std::string & host);
|
||||
void SendProxyError(std::string & content);
|
||||
|
||||
void ForwardToUpstreamProxy();
|
||||
void HandleUpstreamHTTPProxyConnect(const boost::system::error_code & ec);
|
||||
void HandleUpstreamSocksProxyConnect(const boost::system::error_code & ec);
|
||||
|
||||
void HandleSocksProxySendHandshake(const boost::system::error_code & ec, std::size_t bytes_transfered);
|
||||
void HandleSocksProxyReply(const boost::system::error_code & ec, std::size_t bytes_transfered);
|
||||
|
||||
typedef std::function<void(boost::asio::ip::tcp::endpoint)> ProxyResolvedHandler;
|
||||
|
||||
void HandleUpstreamProxyResolved(const boost::system::error_code & ecode, boost::asio::ip::tcp::resolver::iterator itr, ProxyResolvedHandler handler);
|
||||
|
||||
void SocksProxySuccess();
|
||||
void HandoverToUpstreamProxy();
|
||||
|
||||
uint8_t m_recv_chunk[8192];
|
||||
std::string m_recv_buf; // from client
|
||||
std::string m_send_buf; // to upstream
|
||||
std::shared_ptr<boost::asio::ip::tcp::socket> m_sock;
|
||||
std::shared_ptr<boost::asio::ip::tcp::socket> m_proxysock;
|
||||
boost::asio::ip::tcp::resolver m_proxy_resolver;
|
||||
i2p::http::URL m_RequestURL;
|
||||
i2p::http::URL m_ProxyURL;
|
||||
std::string m_HTTPMethod;
|
||||
uint8_t m_socks_buf[255+8]; // for socks request/response
|
||||
|
||||
public:
|
||||
|
||||
HTTPReqHandler(HTTPProxy * parent, std::shared_ptr<boost::asio::ip::tcp::socket> sock) :
|
||||
I2PServiceHandler(parent), m_sock(sock) {}
|
||||
I2PServiceHandler(parent), m_sock(sock),
|
||||
m_proxysock(std::make_shared<boost::asio::ip::tcp::socket>(parent->GetService())),
|
||||
m_proxy_resolver(parent->GetService()) {}
|
||||
~HTTPReqHandler() { Terminate(); }
|
||||
void Handle () { AsyncSockRead(); } /* overload */
|
||||
};
|
||||
|
@ -97,6 +119,12 @@ namespace proxy {
|
|||
m_sock->close();
|
||||
m_sock = nullptr;
|
||||
}
|
||||
if(m_proxysock)
|
||||
{
|
||||
if(m_proxysock->is_open())
|
||||
m_proxysock->close();
|
||||
m_proxysock = nullptr;
|
||||
}
|
||||
Done(shared_from_this());
|
||||
}
|
||||
|
||||
|
@ -142,7 +170,7 @@ namespace proxy {
|
|||
<< "</html>\r\n";
|
||||
res.body = ss.str();
|
||||
std::string response = res.to_string();
|
||||
boost::asio::async_write(*m_sock, boost::asio::buffer(response),
|
||||
boost::asio::async_write(*m_sock, boost::asio::buffer(response), boost::asio::transfer_all(),
|
||||
std::bind(&HTTPReqHandler::SentHTTPFailed, shared_from_this(), std::placeholders::_1));
|
||||
}
|
||||
|
||||
|
@ -199,7 +227,6 @@ namespace proxy {
|
|||
bool HTTPReqHandler::HandleRequest()
|
||||
{
|
||||
i2p::http::HTTPReq req;
|
||||
i2p::http::URL url;
|
||||
std::string b64;
|
||||
int req_len = 0;
|
||||
|
||||
|
@ -216,14 +243,14 @@ namespace proxy {
|
|||
|
||||
/* parsing success, now let's look inside request */
|
||||
LogPrint(eLogDebug, "HTTPProxy: requested: ", req.uri);
|
||||
url.parse(req.uri);
|
||||
m_RequestURL.parse(req.uri);
|
||||
|
||||
if (ExtractAddressHelper(url, b64)) {
|
||||
i2p::client::context.GetAddressBook ().InsertAddress (url.host, b64);
|
||||
LogPrint (eLogInfo, "HTTPProxy: added b64 from addresshelper for ", url.host);
|
||||
std::string full_url = url.to_string();
|
||||
if (ExtractAddressHelper(m_RequestURL, b64)) {
|
||||
i2p::client::context.GetAddressBook ().InsertAddress (m_RequestURL.host, b64);
|
||||
LogPrint (eLogInfo, "HTTPProxy: added b64 from addresshelper for ", m_RequestURL.host);
|
||||
std::string full_url = m_RequestURL.to_string();
|
||||
std::stringstream ss;
|
||||
ss << "Host " << url.host << " added to router's addressbook from helper. "
|
||||
ss << "Host " << m_RequestURL.host << " added to router's addressbook from helper. "
|
||||
<< "Click <a href=\"" << full_url << "\">here</a> to proceed.";
|
||||
GenericProxyInfo("Addresshelper found", ss.str().c_str());
|
||||
return true; /* request processed */
|
||||
|
@ -231,11 +258,11 @@ namespace proxy {
|
|||
|
||||
SanitizeHTTPRequest(req);
|
||||
|
||||
std::string dest_host = url.host;
|
||||
uint16_t dest_port = url.port;
|
||||
std::string dest_host = m_RequestURL.host;
|
||||
uint16_t dest_port = m_RequestURL.port;
|
||||
/* always set port, even if missing in request */
|
||||
if (!dest_port) {
|
||||
dest_port = (url.schema == "https") ? 443 : 80;
|
||||
dest_port = (m_RequestURL.schema == "https") ? 443 : 80;
|
||||
}
|
||||
/* detect dest_host, set proper 'Host' header in upstream request */
|
||||
auto h = req.headers.find("Host");
|
||||
|
@ -267,16 +294,26 @@ namespace proxy {
|
|||
}
|
||||
/* TODO: outproxy handler here */
|
||||
} else {
|
||||
LogPrint (eLogWarning, "HTTPProxy: outproxy failure for ", dest_host, ": not implemented yet");
|
||||
std::string message = "Host" + dest_host + "not inside I2P network, but outproxy support not implemented yet";
|
||||
GenericProxyError("Outproxy failure", message.c_str());
|
||||
std::string outproxyUrl; i2p::config::GetOption("httpproxy.outproxy", outproxyUrl);
|
||||
if(outproxyUrl.size()) {
|
||||
m_HTTPMethod = req.method;
|
||||
LogPrint (eLogDebug, "HTTPProxy: use outproxy ", outproxyUrl);
|
||||
if(m_ProxyURL.parse(outproxyUrl))
|
||||
ForwardToUpstreamProxy();
|
||||
else
|
||||
GenericProxyError("Outproxy failure", "bad outproxy settings");
|
||||
} else {
|
||||
LogPrint (eLogWarning, "HTTPProxy: outproxy failure for ", dest_host, ": not implemented yet");
|
||||
std::string message = "Host" + dest_host + "not inside I2P network, but outproxy support not implemented yet";
|
||||
GenericProxyError("Outproxy failure", message.c_str());
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/* make relative url */
|
||||
url.schema = "";
|
||||
url.host = "";
|
||||
req.uri = url.to_string();
|
||||
m_RequestURL.schema = "";
|
||||
m_RequestURL.host = "";
|
||||
req.uri = m_RequestURL.to_string();
|
||||
|
||||
/* drop original request from recv buffer */
|
||||
m_recv_buf.erase(0, req_len);
|
||||
|
@ -290,6 +327,124 @@ namespace proxy {
|
|||
return true;
|
||||
}
|
||||
|
||||
void HTTPReqHandler::ForwardToUpstreamProxy()
|
||||
{
|
||||
LogPrint(eLogDebug, "HTTPProxy: forward to upstream");
|
||||
// assume http if empty schema
|
||||
if (m_ProxyURL.schema == "" || m_ProxyURL.schema == "http") {
|
||||
// handle upstream http proxy
|
||||
if (!m_ProxyURL.port) m_ProxyURL.port = 80;
|
||||
boost::asio::ip::tcp::resolver::query q(m_ProxyURL.host, std::to_string(m_ProxyURL.port));
|
||||
m_proxy_resolver.async_resolve(q, std::bind(&HTTPReqHandler::HandleUpstreamProxyResolved, this, std::placeholders::_1, std::placeholders::_2, [&](boost::asio::ip::tcp::endpoint ep) {
|
||||
m_proxysock->async_connect(ep, std::bind(&HTTPReqHandler::HandleUpstreamHTTPProxyConnect, this, std::placeholders::_1));
|
||||
}));
|
||||
} else if (m_ProxyURL.schema == "socks") {
|
||||
// handle upstream socks proxy
|
||||
if (!m_ProxyURL.port) m_ProxyURL.port = 9050; // default to tor default if not specified
|
||||
boost::asio::ip::tcp::resolver::query q(m_ProxyURL.host, std::to_string(m_ProxyURL.port));
|
||||
m_proxy_resolver.async_resolve(q, std::bind(&HTTPReqHandler::HandleUpstreamProxyResolved, this, std::placeholders::_1, std::placeholders::_2, [&](boost::asio::ip::tcp::endpoint ep) {
|
||||
m_proxysock->async_connect(ep, std::bind(&HTTPReqHandler::HandleUpstreamSocksProxyConnect, this, std::placeholders::_1));
|
||||
}));
|
||||
} else {
|
||||
// unknown type, complain
|
||||
GenericProxyError("unknown outproxy url", m_ProxyURL.to_string().c_str());
|
||||
}
|
||||
}
|
||||
|
||||
void HTTPReqHandler::HandleUpstreamProxyResolved(const boost::system::error_code & ec, boost::asio::ip::tcp::resolver::iterator it, ProxyResolvedHandler handler)
|
||||
{
|
||||
if(ec) GenericProxyError("cannot resolve upstream proxy", ec.message().c_str());
|
||||
else handler(*it);
|
||||
}
|
||||
|
||||
void HTTPReqHandler::HandleUpstreamSocksProxyConnect(const boost::system::error_code & ec)
|
||||
{
|
||||
if(!ec) {
|
||||
if(m_RequestURL.host.size() > 255) {
|
||||
GenericProxyError("hostname too long", m_RequestURL.host.c_str());
|
||||
return;
|
||||
}
|
||||
uint16_t port = m_RequestURL.port;
|
||||
LogPrint(eLogDebug, "HTTPProxy: connected to socks upstream");
|
||||
if(m_HTTPMethod == "CONNECT") {
|
||||
std::string host = m_RequestURL.host;
|
||||
std::size_t reqsize = 0;
|
||||
m_socks_buf[0] = '\x04';
|
||||
m_socks_buf[1] = 1;
|
||||
htobe16buf(m_socks_buf+2, port);
|
||||
m_socks_buf[4] = 0;
|
||||
m_socks_buf[5] = 0;
|
||||
m_socks_buf[6] = 0;
|
||||
m_socks_buf[7] = 1;
|
||||
// user id
|
||||
m_socks_buf[8] = 'i';
|
||||
m_socks_buf[9] = '2';
|
||||
m_socks_buf[10] = 'p';
|
||||
m_socks_buf[11] = 'd';
|
||||
m_socks_buf[12] = 0;
|
||||
reqsize += 13;
|
||||
memcpy(m_socks_buf+ reqsize, host.c_str(), host.size());
|
||||
reqsize += host.size();
|
||||
m_socks_buf[++reqsize] = 0;
|
||||
m_proxysock->async_write_some(boost::asio::buffer(m_socks_buf, reqsize), std::bind(&HTTPReqHandler::HandleSocksProxySendHandshake, this, std::placeholders::_1, std::placeholders::_2));
|
||||
} else {
|
||||
GenericProxyError("unsupported http method", m_HTTPMethod.c_str());
|
||||
}
|
||||
} else GenericProxyError("cannot connect to upstream socks proxy", ec.message().c_str());
|
||||
}
|
||||
|
||||
void HTTPReqHandler::HandleSocksProxySendHandshake(const boost::system::error_code & ec, std::size_t bytes_transferred)
|
||||
{
|
||||
if(ec) GenericProxyError("Cannot negotiate with socks proxy", ec.message().c_str());
|
||||
else m_proxysock->async_read_some(boost::asio::buffer(m_socks_buf, 8), std::bind(&HTTPReqHandler::HandleSocksProxyReply, this, std::placeholders::_1, std::placeholders::_2));
|
||||
}
|
||||
|
||||
void HTTPReqHandler::HandoverToUpstreamProxy()
|
||||
{
|
||||
auto connection = std::make_shared<i2p::client::TCPIPPipe>(GetOwner(), m_proxysock, m_sock);
|
||||
m_sock = nullptr;
|
||||
m_proxysock = nullptr;
|
||||
GetOwner()->AddHandler(connection);
|
||||
connection->Start();
|
||||
Terminate();
|
||||
}
|
||||
|
||||
void HTTPReqHandler::SocksProxySuccess()
|
||||
{
|
||||
i2p::http::HTTPRes res;
|
||||
res.code = 200;
|
||||
std::string response = res.to_string();
|
||||
boost::asio::async_write(*m_sock, boost::asio::buffer(response), boost::asio::transfer_all(), [&] (const boost::system::error_code & ec, std::size_t transferred) {
|
||||
if(ec) GenericProxyError("socks proxy error", ec.message().c_str());
|
||||
else HandoverToUpstreamProxy();
|
||||
});
|
||||
}
|
||||
|
||||
void HTTPReqHandler::HandleSocksProxyReply(const boost::system::error_code & ec, std::size_t bytes_transferred)
|
||||
{
|
||||
if(!ec)
|
||||
{
|
||||
if(m_socks_buf[1] == 90) {
|
||||
// success
|
||||
SocksProxySuccess();
|
||||
} else {
|
||||
std::stringstream ss;
|
||||
ss << (int) m_socks_buf[1];
|
||||
std::string msg = ss.str();
|
||||
GenericProxyError("Socks Proxy error", msg.c_str());
|
||||
}
|
||||
}
|
||||
else GenericProxyError("No Reply From socks proxy", ec.message().c_str());
|
||||
}
|
||||
|
||||
void HTTPReqHandler::HandleUpstreamHTTPProxyConnect(const boost::system::error_code & ec)
|
||||
{
|
||||
if(!ec) {
|
||||
LogPrint(eLogDebug, "HTTPProxy: connected to http upstream");
|
||||
GenericProxyError("cannot connect", "http out proxy not implemented");
|
||||
} else GenericProxyError("cannot connect to upstream http proxy", ec.message().c_str());
|
||||
}
|
||||
|
||||
/* will be called after some data received from client */
|
||||
void HTTPReqHandler::HandleSockRecv(const boost::system::error_code & ecode, std::size_t len)
|
||||
{
|
||||
|
|
116
I2PTunnel.cpp
116
I2PTunnel.cpp
|
@ -540,15 +540,28 @@ namespace client
|
|||
void I2PUDPServerTunnel::ExpireStale(const uint64_t delta) {
|
||||
std::lock_guard<std::mutex> lock(m_SessionsMutex);
|
||||
uint64_t now = i2p::util::GetMillisecondsSinceEpoch();
|
||||
std::remove_if(m_Sessions.begin(), m_Sessions.end(), [now, delta](const UDPSession * u) -> bool {
|
||||
std::remove_if(m_Sessions.begin(), m_Sessions.end(), [now, delta](const std::shared_ptr<UDPSession> & u) -> bool {
|
||||
return now - u->LastActivity >= delta;
|
||||
});
|
||||
}
|
||||
|
||||
UDPSession * I2PUDPServerTunnel::ObtainUDPSession(const i2p::data::IdentityEx& from, uint16_t localPort, uint16_t remotePort)
|
||||
void I2PUDPClientTunnel::ExpireStale(const uint64_t delta) {
|
||||
std::lock_guard<std::mutex> lock(m_SessionsMutex);
|
||||
uint64_t now = i2p::util::GetMillisecondsSinceEpoch();
|
||||
std::vector<uint16_t> removePorts;
|
||||
for (const auto & s : m_Sessions) {
|
||||
if (now - s.second.second >= delta)
|
||||
removePorts.push_back(s.first);
|
||||
}
|
||||
for(auto port : removePorts) {
|
||||
m_Sessions.erase(port);
|
||||
}
|
||||
}
|
||||
|
||||
std::shared_ptr<UDPSession> I2PUDPServerTunnel::ObtainUDPSession(const i2p::data::IdentityEx& from, uint16_t localPort, uint16_t remotePort)
|
||||
{
|
||||
auto ih = from.GetIdentHash();
|
||||
for ( UDPSession * s : m_Sessions )
|
||||
for (auto & s : m_Sessions )
|
||||
{
|
||||
if ( s->Identity == ih)
|
||||
{
|
||||
|
@ -559,8 +572,9 @@ namespace client
|
|||
}
|
||||
/** create new udp session */
|
||||
boost::asio::ip::udp::endpoint ep(m_LocalAddress, 0);
|
||||
m_Sessions.push_back(new UDPSession(ep, m_LocalDest, m_RemoteEndpoint, &ih, localPort, remotePort));
|
||||
return m_Sessions.back();
|
||||
m_Sessions.push_back(std::make_shared<UDPSession>(ep, m_LocalDest, m_RemoteEndpoint, &ih, localPort, remotePort));
|
||||
auto & back = m_Sessions.back();
|
||||
return back;
|
||||
}
|
||||
|
||||
UDPSession::UDPSession(boost::asio::ip::udp::endpoint localEndpoint,
|
||||
|
@ -568,7 +582,6 @@ namespace client
|
|||
boost::asio::ip::udp::endpoint endpoint, const i2p::data::IdentHash * to,
|
||||
uint16_t ourPort, uint16_t theirPort) :
|
||||
m_Destination(localDestination->GetDatagramDestination()),
|
||||
m_Service(localDestination->GetService()),
|
||||
IPSocket(localDestination->GetService(), localEndpoint),
|
||||
SendEndpoint(endpoint),
|
||||
LastActivity(i2p::util::GetMillisecondsSinceEpoch()),
|
||||
|
@ -592,7 +605,7 @@ namespace client
|
|||
{
|
||||
LogPrint(eLogDebug, "UDPSession: forward ", len, "B from ", FromEndpoint);
|
||||
LastActivity = i2p::util::GetMillisecondsSinceEpoch();
|
||||
m_Destination->SendDatagramTo(m_Buffer, len, Identity, 0, 0);
|
||||
m_Destination->SendDatagramTo(m_Buffer, len, Identity, LocalPort, RemotePort);
|
||||
Receive();
|
||||
} else {
|
||||
LogPrint(eLogError, "UDPSession: ", ecode.message());
|
||||
|
@ -602,9 +615,8 @@ namespace client
|
|||
|
||||
|
||||
I2PUDPServerTunnel::I2PUDPServerTunnel(const std::string & name, std::shared_ptr<i2p::client::ClientDestination> localDestination,
|
||||
const boost::asio::ip::address& localAddress, boost::asio::ip::udp::endpoint forwardTo, uint16_t port) :
|
||||
boost::asio::ip::address localAddress, boost::asio::ip::udp::endpoint forwardTo, uint16_t port) :
|
||||
m_Name(name),
|
||||
LocalPort(port),
|
||||
m_LocalAddress(localAddress),
|
||||
m_RemoteEndpoint(forwardTo)
|
||||
{
|
||||
|
@ -630,7 +642,7 @@ namespace client
|
|||
{
|
||||
std::vector<std::shared_ptr<DatagramSessionInfo> > sessions;
|
||||
std::lock_guard<std::mutex> lock(m_SessionsMutex);
|
||||
for ( UDPSession * s : m_Sessions )
|
||||
for (auto & s : m_Sessions )
|
||||
{
|
||||
if (!s->m_Destination) continue;
|
||||
auto info = s->m_Destination->GetInfoForRemote(s->Identity);
|
||||
|
@ -652,13 +664,12 @@ namespace client
|
|||
std::shared_ptr<i2p::client::ClientDestination> localDestination,
|
||||
uint16_t remotePort) :
|
||||
m_Name(name),
|
||||
m_Session(nullptr),
|
||||
m_RemoteDest(remoteDest),
|
||||
m_LocalDest(localDestination),
|
||||
m_LocalEndpoint(localEndpoint),
|
||||
m_RemoteIdent(nullptr),
|
||||
m_ResolveThread(nullptr),
|
||||
LocalPort(localEndpoint.port()),
|
||||
m_LocalSocket(localDestination->GetService(), localEndpoint),
|
||||
RemotePort(remotePort),
|
||||
m_cancel_resolve(false)
|
||||
{
|
||||
|
@ -675,29 +686,44 @@ namespace client
|
|||
m_LocalDest->Start();
|
||||
if (m_ResolveThread == nullptr)
|
||||
m_ResolveThread = new std::thread(std::bind(&I2PUDPClientTunnel::TryResolving, this));
|
||||
RecvFromLocal();
|
||||
}
|
||||
|
||||
void I2PUDPClientTunnel::RecvFromLocal()
|
||||
{
|
||||
m_LocalSocket.async_receive_from(boost::asio::buffer(m_RecvBuff, I2P_UDP_MAX_MTU),
|
||||
m_RecvEndpoint, std::bind(&I2PUDPClientTunnel::HandleRecvFromLocal, this, std::placeholders::_1, std::placeholders::_2));
|
||||
}
|
||||
|
||||
void I2PUDPClientTunnel::HandleRecvFromLocal(const boost::system::error_code & ec, std::size_t transferred)
|
||||
{
|
||||
if(ec) {
|
||||
LogPrint(eLogError, "UDP Client: ", ec.message());
|
||||
return;
|
||||
}
|
||||
if(!m_RemoteIdent) {
|
||||
LogPrint(eLogWarning, "UDP Client: remote endpoint not resolved yet");
|
||||
RecvFromLocal();
|
||||
return; // drop, remote not resolved
|
||||
}
|
||||
auto remotePort = m_RecvEndpoint.port();
|
||||
auto itr = m_Sessions.find(remotePort);
|
||||
if (itr == m_Sessions.end()) {
|
||||
// track new udp convo
|
||||
m_Sessions[remotePort] = {boost::asio::ip::udp::endpoint(m_RecvEndpoint), 0};
|
||||
}
|
||||
// send off to remote i2p destination
|
||||
LogPrint(eLogDebug, "UDP Client: send ", transferred, " to ", m_RemoteIdent->ToBase32(), ":", RemotePort);
|
||||
m_LocalDest->GetDatagramDestination()->SendDatagramTo(m_RecvBuff, transferred, *m_RemoteIdent, remotePort, RemotePort);
|
||||
// mark convo as active
|
||||
m_Sessions[remotePort].second = i2p::util::GetMillisecondsSinceEpoch();
|
||||
RecvFromLocal();
|
||||
}
|
||||
|
||||
std::vector<std::shared_ptr<DatagramSessionInfo> > I2PUDPClientTunnel::GetSessions()
|
||||
{
|
||||
// TODO: implement
|
||||
std::vector<std::shared_ptr<DatagramSessionInfo> > infos;
|
||||
if(m_Session && m_LocalDest)
|
||||
{
|
||||
auto s = m_Session;
|
||||
if (s->m_Destination)
|
||||
{
|
||||
auto info = m_Session->m_Destination->GetInfoForRemote(s->Identity);
|
||||
if(info)
|
||||
{
|
||||
auto sinfo = std::make_shared<DatagramSessionInfo>();
|
||||
sinfo->Name = m_Name;
|
||||
sinfo->LocalIdent = std::make_shared<i2p::data::IdentHash>(m_LocalDest->GetIdentHash().data());
|
||||
sinfo->RemoteIdent = std::make_shared<i2p::data::IdentHash>(s->Identity.data());
|
||||
sinfo->CurrentIBGW = info->IBGW;
|
||||
sinfo->CurrentOBEP = info->OBEP;
|
||||
infos.push_back(sinfo);
|
||||
}
|
||||
}
|
||||
}
|
||||
return infos;
|
||||
}
|
||||
|
||||
|
@ -717,26 +743,28 @@ namespace client
|
|||
return;
|
||||
}
|
||||
LogPrint(eLogInfo, "UDP Tunnel: resolved ", m_RemoteDest, " to ", m_RemoteIdent->ToBase32());
|
||||
// delete existing session
|
||||
if(m_Session) delete m_Session;
|
||||
|
||||
boost::asio::ip::udp::endpoint ep(boost::asio::ip::address::from_string("127.0.0.1"), 0);
|
||||
m_Session = new UDPSession(m_LocalEndpoint, m_LocalDest, ep, m_RemoteIdent, LocalPort, RemotePort);
|
||||
}
|
||||
|
||||
void I2PUDPClientTunnel::HandleRecvFromI2P(const i2p::data::IdentityEx& from, uint16_t fromPort, uint16_t toPort, const uint8_t * buf, size_t len)
|
||||
{
|
||||
if(m_RemoteIdent && from.GetIdentHash() == *m_RemoteIdent)
|
||||
{
|
||||
// address match
|
||||
if(m_Session)
|
||||
auto itr = m_Sessions.find(toPort);
|
||||
// found convo ?
|
||||
if(itr != m_Sessions.end())
|
||||
{
|
||||
// tell session
|
||||
LogPrint(eLogDebug, "UDP Client: got ", len, "B from ", from.GetIdentHash().ToBase32());
|
||||
m_Session->IPSocket.send_to(boost::asio::buffer(buf, len), m_Session->FromEndpoint);
|
||||
// found convo
|
||||
if (len > 0) {
|
||||
LogPrint(eLogDebug, "UDP Client: got ", len, "B from ", from.GetIdentHash().ToBase32());
|
||||
uint8_t sendbuf[len];
|
||||
memcpy(sendbuf, buf, len);
|
||||
m_LocalSocket.send_to(boost::asio::buffer(buf, len), itr->second.first);
|
||||
// mark convo as active
|
||||
itr->second.second = i2p::util::GetMillisecondsSinceEpoch();
|
||||
}
|
||||
}
|
||||
else
|
||||
LogPrint(eLogWarning, "UDP Client: no session");
|
||||
LogPrint(eLogWarning, "UDP Client: not tracking udp session using port ", (int) toPort);
|
||||
}
|
||||
else
|
||||
LogPrint(eLogWarning, "UDP Client: unwarrented traffic from ", from.GetIdentHash().ToBase32());
|
||||
|
@ -747,7 +775,11 @@ namespace client
|
|||
auto dgram = m_LocalDest->GetDatagramDestination();
|
||||
if (dgram) dgram->ResetReceiver();
|
||||
|
||||
if (m_Session) delete m_Session;
|
||||
m_Sessions.clear();
|
||||
|
||||
if(m_LocalSocket.is_open())
|
||||
m_LocalSocket.close();
|
||||
|
||||
m_cancel_resolve = true;
|
||||
|
||||
if(m_ResolveThread)
|
||||
|
|
20
I2PTunnel.h
20
I2PTunnel.h
|
@ -4,6 +4,7 @@
|
|||
#include <inttypes.h>
|
||||
#include <string>
|
||||
#include <set>
|
||||
#include <tuple>
|
||||
#include <memory>
|
||||
#include <sstream>
|
||||
#include <boost/asio.hpp>
|
||||
|
@ -141,7 +142,6 @@ namespace client
|
|||
struct UDPSession
|
||||
{
|
||||
i2p::datagram::DatagramDestination * m_Destination;
|
||||
boost::asio::io_service & m_Service;
|
||||
boost::asio::ip::udp::socket IPSocket;
|
||||
i2p::data::IdentHash Identity;
|
||||
boost::asio::ip::udp::endpoint FromEndpoint;
|
||||
|
@ -189,7 +189,7 @@ namespace client
|
|||
public:
|
||||
I2PUDPServerTunnel(const std::string & name,
|
||||
std::shared_ptr<i2p::client::ClientDestination> localDestination,
|
||||
const boost::asio::ip::address & localAddress,
|
||||
boost::asio::ip::address localAddress,
|
||||
boost::asio::ip::udp::endpoint forwardTo, uint16_t port);
|
||||
~I2PUDPServerTunnel();
|
||||
/** expire stale udp conversations */
|
||||
|
@ -202,15 +202,14 @@ namespace client
|
|||
private:
|
||||
|
||||
void HandleRecvFromI2P(const i2p::data::IdentityEx& from, uint16_t fromPort, uint16_t toPort, const uint8_t * buf, size_t len);
|
||||
UDPSession * ObtainUDPSession(const i2p::data::IdentityEx& from, uint16_t localPort, uint16_t remotePort);
|
||||
std::shared_ptr<UDPSession> ObtainUDPSession(const i2p::data::IdentityEx& from, uint16_t localPort, uint16_t remotePort);
|
||||
|
||||
private:
|
||||
const std::string m_Name;
|
||||
const uint16_t LocalPort;
|
||||
boost::asio::ip::address m_LocalAddress;
|
||||
boost::asio::ip::udp::endpoint m_RemoteEndpoint;
|
||||
std::mutex m_SessionsMutex;
|
||||
std::vector<UDPSession*> m_Sessions;
|
||||
std::vector<std::shared_ptr<UDPSession> > m_Sessions;
|
||||
std::shared_ptr<i2p::client::ClientDestination> m_LocalDest;
|
||||
};
|
||||
|
||||
|
@ -228,18 +227,25 @@ namespace client
|
|||
bool IsLocalDestination(const i2p::data::IdentHash & destination) const { return destination == m_LocalDest->GetIdentHash(); }
|
||||
|
||||
std::shared_ptr<ClientDestination> GetLocalDestination () const { return m_LocalDest; }
|
||||
void ExpireStale(const uint64_t delta=I2P_UDP_SESSION_TIMEOUT);
|
||||
|
||||
private:
|
||||
typedef std::pair<boost::asio::ip::udp::endpoint, uint64_t> UDPConvo;
|
||||
void RecvFromLocal();
|
||||
void HandleRecvFromLocal(const boost::system::error_code & e, std::size_t transferred);
|
||||
void HandleRecvFromI2P(const i2p::data::IdentityEx& from, uint16_t fromPort, uint16_t toPort, const uint8_t * buf, size_t len);
|
||||
void TryResolving();
|
||||
const std::string m_Name;
|
||||
UDPSession * m_Session;
|
||||
std::mutex m_SessionsMutex;
|
||||
std::map<uint16_t, UDPConvo > m_Sessions; // maps i2p port -> local udp convo
|
||||
const std::string m_RemoteDest;
|
||||
std::shared_ptr<i2p::client::ClientDestination> m_LocalDest;
|
||||
const boost::asio::ip::udp::endpoint m_LocalEndpoint;
|
||||
i2p::data::IdentHash * m_RemoteIdent;
|
||||
std::thread * m_ResolveThread;
|
||||
uint16_t LocalPort;
|
||||
boost::asio::ip::udp::socket m_LocalSocket;
|
||||
boost::asio::ip::udp::endpoint m_RecvEndpoint;
|
||||
uint8_t m_RecvBuff[I2P_UDP_MAX_MTU];
|
||||
uint16_t RemotePort;
|
||||
bool m_cancel_resolve;
|
||||
};
|
||||
|
|
|
@ -612,6 +612,7 @@ namespace tunnel
|
|||
for (auto it = pendingTunnels.begin (); it != pendingTunnels.end ();)
|
||||
{
|
||||
auto tunnel = it->second;
|
||||
auto pool = tunnel->GetTunnelPool();
|
||||
switch (tunnel->GetState ())
|
||||
{
|
||||
case eTunnelStatePending:
|
||||
|
@ -637,6 +638,8 @@ namespace tunnel
|
|||
#ifdef WITH_EVENTS
|
||||
EmitTunnelEvent("tunnel.state", tunnel.get(), eTunnelStateBuildFailed);
|
||||
#endif
|
||||
// for i2lua
|
||||
if(pool) pool->OnTunnelBuildResult(tunnel, eBuildResultTimeout);
|
||||
// delete
|
||||
it = pendingTunnels.erase (it);
|
||||
m_NumFailedTunnelCreations++;
|
||||
|
@ -649,6 +652,9 @@ namespace tunnel
|
|||
#ifdef WITH_EVENTS
|
||||
EmitTunnelEvent("tunnel.state", tunnel.get(), eTunnelStateBuildFailed);
|
||||
#endif
|
||||
// for i2lua
|
||||
if(pool) pool->OnTunnelBuildResult(tunnel, eBuildResultRejected);
|
||||
|
||||
it = pendingTunnels.erase (it);
|
||||
m_NumFailedTunnelCreations++;
|
||||
break;
|
||||
|
|
|
@ -81,6 +81,8 @@ namespace tunnel
|
|||
}
|
||||
if (m_LocalDestination)
|
||||
m_LocalDestination->SetLeaseSetUpdated ();
|
||||
|
||||
OnTunnelBuildResult(createdTunnel, eBuildResultOkay);
|
||||
}
|
||||
|
||||
void TunnelPool::TunnelExpired (std::shared_ptr<InboundTunnel> expiredTunnel)
|
||||
|
@ -109,6 +111,8 @@ namespace tunnel
|
|||
std::unique_lock<std::mutex> l(m_OutboundTunnelsMutex);
|
||||
m_OutboundTunnels.insert (createdTunnel);
|
||||
}
|
||||
OnTunnelBuildResult(createdTunnel, eBuildResultOkay);
|
||||
|
||||
//CreatePairedInboundTunnel (createdTunnel);
|
||||
}
|
||||
|
||||
|
@ -579,5 +583,11 @@ namespace tunnel
|
|||
}
|
||||
return tun;
|
||||
}
|
||||
|
||||
void TunnelPool::OnTunnelBuildResult(std::shared_ptr<Tunnel> tunnel, TunnelBuildResult result)
|
||||
{
|
||||
auto peers = tunnel->GetPeers();
|
||||
if(m_CustomPeerSelector) m_CustomPeerSelector->OnBuildResult(peers, tunnel->IsInbound(), result);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
11
TunnelPool.h
11
TunnelPool.h
|
@ -23,12 +23,21 @@ namespace tunnel
|
|||
class InboundTunnel;
|
||||
class OutboundTunnel;
|
||||
|
||||
|
||||
enum TunnelBuildResult {
|
||||
eBuildResultOkay, // tunnel was built okay
|
||||
eBuildResultRejected, // tunnel build was explicitly rejected
|
||||
eBuildResultTimeout // tunnel build timed out
|
||||
};
|
||||
|
||||
/** interface for custom tunnel peer selection algorithm */
|
||||
struct ITunnelPeerSelector
|
||||
{
|
||||
typedef std::shared_ptr<const i2p::data::IdentityEx> Peer;
|
||||
typedef std::vector<Peer> TunnelPath;
|
||||
|
||||
virtual bool SelectPeers(TunnelPath & peers, int hops, bool isInbound) = 0;
|
||||
virtual bool OnBuildResult(TunnelPath & peers, bool isInbound, TunnelBuildResult result) = 0;
|
||||
};
|
||||
|
||||
typedef std::shared_ptr<ITunnelPeerSelector> TunnelPeerSelector;
|
||||
|
@ -80,6 +89,8 @@ namespace tunnel
|
|||
std::shared_ptr<InboundTunnel> GetLowestLatencyInboundTunnel(std::shared_ptr<InboundTunnel> exclude=nullptr) const;
|
||||
std::shared_ptr<OutboundTunnel> GetLowestLatencyOutboundTunnel(std::shared_ptr<OutboundTunnel> exclude=nullptr) const;
|
||||
|
||||
void OnTunnelBuildResult(std::shared_ptr<Tunnel> tunnel, TunnelBuildResult result);
|
||||
|
||||
private:
|
||||
|
||||
void CreateInboundTunnel ();
|
||||
|
|
Loading…
Add table
Reference in a new issue