support i2p outproxy

This commit is contained in:
Jeff Becker 2017-10-27 08:42:54 -04:00
parent bc11181d5e
commit b14d1801f0
No known key found for this signature in database
GPG Key ID: F357B3B42F6F9B05
4 changed files with 35 additions and 15 deletions

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@ -1,5 +1,6 @@
#include <algorithm>
#include <cassert>
#include <string>
#include "Crypto.h"
#include "Log.h"
#include "FS.h"

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@ -54,6 +54,7 @@ namespace client
std::string httpProxyAddr; i2p::config::GetOption("httpproxy.address", httpProxyAddr);
uint16_t httpProxyPort; i2p::config::GetOption("httpproxy.port", httpProxyPort);
i2p::data::SigningKeyType sigType; i2p::config::GetOption("httpproxy.signaturetype", sigType);
std::string httpOutProxyURL; i2p::config::GetOption("httpproxy.outproxy", httpOutProxyURL);
LogPrint(eLogInfo, "Clients: starting HTTP Proxy at ", httpProxyAddr, ":", httpProxyPort);
if (httpProxyKeys.length () > 0)
{
@ -70,7 +71,7 @@ namespace client
}
try
{
m_HttpProxy = new i2p::proxy::HTTPProxy(httpProxyAddr, httpProxyPort, localDestination);
m_HttpProxy = new i2p::proxy::HTTPProxy(httpProxyAddr, httpProxyPort, httpOutProxyURL, localDestination);
m_HttpProxy->Start();
}
catch (std::exception& e)
@ -536,7 +537,8 @@ namespace client
else if (type == I2P_TUNNELS_SECTION_TYPE_HTTPPROXY)
{
// http proxy
clientTunnel = new i2p::proxy::HTTPProxy(address, port, localDestination);
std::string outproxy = section.second.get("outproxy", "");
clientTunnel = new i2p::proxy::HTTPProxy(address, port, outproxy, localDestination);
clientEndpoint = ((i2p::proxy::HTTPProxy*)clientTunnel)->GetLocalEndpoint ();
}
else if (type == I2P_TUNNELS_SECTION_TYPE_WEBSOCKS)

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@ -86,6 +86,7 @@ namespace proxy {
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;
std::string m_OutproxyUrl;
i2p::http::URL m_ProxyURL;
i2p::http::URL m_RequestURL;
uint8_t m_socks_buf[255+8]; // for socks request/response
@ -99,7 +100,8 @@ namespace proxy {
HTTPReqHandler(HTTPProxy * parent, std::shared_ptr<boost::asio::ip::tcp::socket> sock) :
I2PServiceHandler(parent), m_sock(sock),
m_proxysock(std::make_shared<boost::asio::ip::tcp::socket>(parent->GetService())),
m_proxy_resolver(parent->GetService()) {}
m_proxy_resolver(parent->GetService()),
m_OutproxyUrl(parent->GetOutproxyURL()) {}
~HTTPReqHandler() { Terminate(); }
void Handle () { AsyncSockRead(); } /* overload */
};
@ -324,10 +326,9 @@ namespace proxy {
return true; /* request processed */
}
} else {
std::string outproxyUrl; i2p::config::GetOption("httpproxy.outproxy", outproxyUrl);
if(outproxyUrl.size()) {
LogPrint (eLogDebug, "HTTPProxy: use outproxy ", outproxyUrl);
if(m_ProxyURL.parse(outproxyUrl))
if(m_OutproxyUrl.size()) {
LogPrint (eLogDebug, "HTTPProxy: use outproxy ", m_OutproxyUrl);
if(m_ProxyURL.parse(m_OutproxyUrl))
ForwardToUpstreamProxy();
else
GenericProxyError("Outproxy failure", "bad outproxy settings");
@ -379,10 +380,19 @@ namespace proxy {
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));
}));
if (m_ProxyURL.is_i2p())
{
m_send_buf = m_recv_buf;
GetOwner()->CreateStream (std::bind (&HTTPReqHandler::HandleStreamRequestComplete,
shared_from_this(), std::placeholders::_1), m_ProxyURL.host, m_ProxyURL.port);
}
else
{
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
@ -572,8 +582,9 @@ namespace proxy {
Done (shared_from_this());
}
HTTPProxy::HTTPProxy(const std::string& address, int port, std::shared_ptr<i2p::client::ClientDestination> localDestination):
TCPIPAcceptor(address, port, localDestination ? localDestination : i2p::client::context.GetSharedLocalDestination ())
HTTPProxy::HTTPProxy(const std::string& address, int port, const std::string & outproxy, std::shared_ptr<i2p::client::ClientDestination> localDestination):
TCPIPAcceptor(address, port, localDestination ? localDestination : i2p::client::context.GetSharedLocalDestination ()),
m_OutproxyUrl(outproxy)
{
}

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@ -6,14 +6,20 @@ namespace proxy {
class HTTPProxy: public i2p::client::TCPIPAcceptor
{
public:
HTTPProxy(const std::string& address, int port, std::shared_ptr<i2p::client::ClientDestination> localDestination = nullptr);
HTTPProxy(const std::string& address, int port, const std::string & outproxy, std::shared_ptr<i2p::client::ClientDestination> localDestination);
HTTPProxy(const std::string& address, int port, std::shared_ptr<i2p::client::ClientDestination> localDestination = nullptr) :
HTTPProxy(address, port, "", localDestination) {} ;
~HTTPProxy() {};
std::string GetOutproxyURL() const { return m_OutproxyUrl; }
protected:
// Implements TCPIPAcceptor
std::shared_ptr<i2p::client::I2PServiceHandler> CreateHandler(std::shared_ptr<boost::asio::ip::tcp::socket> socket);
const char* GetName() { return "HTTP Proxy"; }
private:
std::string m_OutproxyUrl;
};
} // http
} // i2p