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[httpproxy] make addresshelper support configurable for every httpproxy

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pull/1347/head
R4SAS 5 years ago
parent 5e42947fbd
commit ece140f18c
3 changed files with 63 additions and 57 deletions
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36
libi2pd_client/ClientContext.cpp
Unescape Escape View File

@ -39,7 +39,7 @@ namespace client
if (!m_SharedLocalDestination)
CreateNewSharedLocalDestination ();
// addressbook
// addressbook
m_AddressBook.Start ();
// HTTP proxy
@ -207,16 +207,16 @@ namespace client
{
m_HttpProxy->Stop ();
m_HttpProxy = nullptr;
}
}
ReadHttpProxy ();
// recreate SOCKS proxy
if (m_SocksProxy)
{
m_SocksProxy->Stop ();
m_SocksProxy = nullptr;
}
ReadSocksProxy ();
}
ReadSocksProxy ();
// delete unused destinations
std::unique_lock<std::mutex> l(m_DestinationsMutex);
@ -391,10 +391,10 @@ namespace client
options[I2CP_PARAM_TAGS_TO_SEND] = GetI2CPOption (section, I2CP_PARAM_TAGS_TO_SEND, DEFAULT_TAGS_TO_SEND);
options[I2CP_PARAM_MIN_TUNNEL_LATENCY] = GetI2CPOption(section, I2CP_PARAM_MIN_TUNNEL_LATENCY, DEFAULT_MIN_TUNNEL_LATENCY);
options[I2CP_PARAM_MAX_TUNNEL_LATENCY] = GetI2CPOption(section, I2CP_PARAM_MAX_TUNNEL_LATENCY, DEFAULT_MAX_TUNNEL_LATENCY);
options[I2CP_PARAM_STREAMING_INITIAL_ACK_DELAY] = GetI2CPOption(section, I2CP_PARAM_STREAMING_INITIAL_ACK_DELAY, DEFAULT_INITIAL_ACK_DELAY);
options[I2CP_PARAM_STREAMING_INITIAL_ACK_DELAY] = GetI2CPOption(section, I2CP_PARAM_STREAMING_INITIAL_ACK_DELAY, DEFAULT_INITIAL_ACK_DELAY);
options[I2CP_PARAM_LEASESET_TYPE] = GetI2CPOption(section, I2CP_PARAM_LEASESET_TYPE, DEFAULT_LEASESET_TYPE);
std::string encType = GetI2CPStringOption(section, I2CP_PARAM_LEASESET_ENCRYPTION_TYPE, "");
if (encType.length () > 0) options[I2CP_PARAM_LEASESET_ENCRYPTION_TYPE] = encType;
if (encType.length () > 0) options[I2CP_PARAM_LEASESET_ENCRYPTION_TYPE] = encType;
}
void ClientContext::ReadI2CPOptionsFromConfig (const std::string& prefix, std::map<std::string, std::string>& options) const
@ -418,21 +418,21 @@ namespace client
{
int numClientTunnels = 0, numServerTunnels = 0;
std::string tunConf; i2p::config::GetOption("tunconf", tunConf);
if (tunConf.empty ())
if (tunConf.empty ())
{
// TODO: cleanup this in 2.8.0
tunConf = i2p::fs::DataDirPath ("tunnels.cfg");
if (i2p::fs::Exists(tunConf))
LogPrint(eLogWarning, "Clients: please rename tunnels.cfg -> tunnels.conf here: ", tunConf);
else
else
tunConf = i2p::fs::DataDirPath ("tunnels.conf");
}
LogPrint(eLogDebug, "Clients: tunnels config file: ", tunConf);
ReadTunnels (tunConf, numClientTunnels, numServerTunnels);
std::string tunDir; i2p::config::GetOption("tunnelsdir", tunDir);
if (tunDir.empty ())
tunDir = i2p::fs::DataDirPath ("tunnels.d");
tunDir = i2p::fs::DataDirPath ("tunnels.d");
if (i2p::fs::Exists (tunDir))
{
std::vector<std::string> files;
@ -450,7 +450,7 @@ namespace client
LogPrint (eLogInfo, "Clients: ", numServerTunnels, " I2P server tunnels created");
}
void ClientContext::ReadTunnels (const std::string& tunConf, int& numClientTunnels, int& numServerTunnels)
{
boost::property_tree::ptree pt;
@ -540,7 +540,8 @@ namespace client
{
// http proxy
std::string outproxy = section.second.get("outproxy", "");
auto tun = std::make_shared<i2p::proxy::HTTPProxy>(name, address, port, outproxy, localDestination);
bool addresshelper = section.second.get("addresshelper", true);
auto tun = std::make_shared<i2p::proxy::HTTPProxy>(name, address, port, outproxy, addresshelper, localDestination);
clientTunnel = tun;
clientEndpoint = tun->GetLocalEndpoint ();
}
@ -555,7 +556,7 @@ namespace client
{
// tcp client
auto tun = std::make_shared<I2PClientTunnel> (name, dest, address, port, localDestination, destinationPort);
clientTunnel = tun;
clientTunnel = tun;
clientEndpoint = tun->GetLocalEndpoint ();
}
uint32_t timeout = section.second.get<uint32_t>(I2P_CLIENT_TUNNEL_CONNECT_TIMEOUT, 0);
@ -674,7 +675,7 @@ namespace client
serverTunnel->SetAccessList (idents);
}
auto ins = m_ServerTunnels.insert (std::make_pair (
std::make_pair (localDestination->GetIdentHash (), inPort),
std::make_pair (localDestination->GetIdentHash (), inPort),
serverTunnel));
if (ins.second)
{
@ -716,6 +717,7 @@ namespace client
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);
bool httpAddresshelper; i2p::config::GetOption("httpproxy.addresshelper", httpAddresshelper);
LogPrint(eLogInfo, "Clients: starting HTTP Proxy at ", httpProxyAddr, ":", httpProxyPort);
if (httpProxyKeys.length () > 0)
{
@ -732,7 +734,7 @@ namespace client
}
try
{
m_HttpProxy = new i2p::proxy::HTTPProxy("HTTP Proxy", httpProxyAddr, httpProxyPort, httpOutProxyURL, localDestination);
m_HttpProxy = new i2p::proxy::HTTPProxy("HTTP Proxy", httpProxyAddr, httpProxyPort, httpOutProxyURL, httpAddresshelper, localDestination);
m_HttpProxy->Start();
}
catch (std::exception& e)
@ -741,7 +743,7 @@ namespace client
}
}
}
void ClientContext::ReadSocksProxy ()
{
std::shared_ptr<ClientDestination> localDestination;

78
libi2pd_client/HTTPProxy.cpp
Unescape Escape View File

@ -64,44 +64,47 @@ 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 HTTPConnect(const std::string & host, uint16_t port);
void HandleHTTPConnectStreamRequestComplete(std::shared_ptr<i2p::stream::Stream> stream);
void ForwardToUpstreamProxy();
void HandleUpstreamHTTPProxyConnect(const boost::system::error_code & ec);
void HandleUpstreamSocksProxyConnect(const boost::system::error_code & ec);
void HTTPConnect(const std::string & host, uint16_t port);
void HandleHTTPConnectStreamRequestComplete(std::shared_ptr<i2p::stream::Stream> stream);
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);
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;
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 HandleUpstreamProxyResolved(const boost::system::error_code & ecode, boost::asio::ip::tcp::resolver::iterator itr, ProxyResolvedHandler handler);
void SocksProxySuccess();
void HandoverToUpstreamProxy();
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;
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
ssize_t m_req_len;
i2p::http::URL m_ClientRequestURL;
i2p::http::HTTPReq m_ClientRequest;
i2p::http::HTTPRes m_ClientResponse;
std::stringstream m_ClientRequestBuffer;
std::shared_ptr<boost::asio::ip::tcp::socket> m_proxysock;
boost::asio::ip::tcp::resolver m_proxy_resolver;
std::string m_OutproxyUrl;
bool m_Addresshelper;
i2p::http::URL m_ProxyURL;
i2p::http::URL m_RequestURL;
uint8_t m_socks_buf[255+8]; // for socks request/response
ssize_t m_req_len;
i2p::http::URL m_ClientRequestURL;
i2p::http::HTTPReq m_ClientRequest;
i2p::http::HTTPRes m_ClientResponse;
std::stringstream m_ClientRequestBuffer;
public:
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_OutproxyUrl(parent->GetOutproxyURL()) {}
m_OutproxyUrl(parent->GetOutproxyURL()),
m_Addresshelper(parent->GetHelperSupport()) {}
~HTTPReqHandler() { Terminate(); }
void Handle () { AsyncSockRead(); } /* overload */
};
@ -114,8 +117,8 @@ namespace proxy {
return;
}
m_sock->async_read_some(boost::asio::buffer(m_recv_chunk, sizeof(m_recv_chunk)),
std::bind(&HTTPReqHandler::HandleSockRecv, shared_from_this(),
std::placeholders::_1, std::placeholders::_2));
std::bind(&HTTPReqHandler::HandleSockRecv, shared_from_this(),
std::placeholders::_1, std::placeholders::_2));
}
void HTTPReqHandler::Terminate() {
@ -221,7 +224,7 @@ namespace proxy {
/* add headers */
/* close connection, if not Connection: (U|u)pgrade (for websocket) */
auto h = req.GetHeader ("Connection");
auto x = h.find("pgrade");
auto x = h.find("pgrade");
if (!(x != std::string::npos && std::tolower(h[x - 1]) == 'u'))
req.UpdateHeader("Connection", "close");
}
@ -253,8 +256,7 @@ namespace proxy {
std::string jump;
if (ExtractAddressHelper(m_RequestURL, jump, m_Confirm))
{
bool addresshelper; i2p::config::GetOption("httpproxy.addresshelper", addresshelper);
if (!addresshelper)
if (!m_Addresshelper)
{
LogPrint(eLogWarning, "HTTPProxy: addresshelper request rejected");
GenericProxyError("Invalid request", "addresshelper is not supported");
@ -398,9 +400,9 @@ namespace proxy {
m_ClientRequest.write(m_ClientRequestBuffer);
m_ClientRequestBuffer << m_recv_buf.substr(m_req_len);
// assume http if empty schema
if (m_ProxyURL.schema == "" || m_ProxyURL.schema == "http")
if (m_ProxyURL.schema == "" || m_ProxyURL.schema == "http")
{
// handle upstream http proxy
if (!m_ProxyURL.port) m_ProxyURL.port = 80;
@ -428,8 +430,8 @@ namespace proxy {
m_proxysock->async_connect(ep, std::bind(&HTTPReqHandler::HandleUpstreamHTTPProxyConnect, this, std::placeholders::_1));
}));
}
}
else if (m_ProxyURL.schema == "socks")
}
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
@ -437,8 +439,8 @@ namespace proxy {
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
}
else
{
// unknown type, complain
GenericProxyError("unknown outproxy url", m_ProxyURL.to_string().c_str());
@ -509,7 +511,7 @@ namespace proxy {
std::string hostname(host);
if(str_rmatch(hostname, ".i2p"))
GetOwner()->CreateStream (std::bind (&HTTPReqHandler::HandleHTTPConnectStreamRequestComplete,
shared_from_this(), std::placeholders::_1), host, port);
shared_from_this(), std::placeholders::_1), host, port);
else
ForwardToUpstreamProxy();
}
@ -621,9 +623,9 @@ namespace proxy {
Done (shared_from_this());
}
HTTPProxy::HTTPProxy(const std::string& name, 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_Name (name), m_OutproxyUrl(outproxy)
HTTPProxy::HTTPProxy(const std::string& name, const std::string& address, int port, const std::string & outproxy, bool addresshelper, std::shared_ptr<i2p::client::ClientDestination> localDestination):
TCPIPAcceptor (address, port, localDestination ? localDestination : i2p::client::context.GetSharedLocalDestination ()),
m_Name (name), m_OutproxyUrl (outproxy), m_Addresshelper (addresshelper)
{
}

6
libi2pd_client/HTTPProxy.h
Unescape Escape View File

@ -6,12 +6,13 @@ namespace proxy {
class HTTPProxy: public i2p::client::TCPIPAcceptor
{
public:
HTTPProxy(const std::string& name, const std::string& address, int port, const std::string & outproxy, std::shared_ptr<i2p::client::ClientDestination> localDestination);
HTTPProxy(const std::string& name, const std::string& address, int port, const std::string & outproxy, bool addresshelper, std::shared_ptr<i2p::client::ClientDestination> localDestination);
HTTPProxy(const std::string& name, const std::string& address, int port, std::shared_ptr<i2p::client::ClientDestination> localDestination = nullptr) :
HTTPProxy(name, address, port, "", localDestination) {} ;
HTTPProxy(name, address, port, "", true, localDestination) {} ;
~HTTPProxy() {};
std::string GetOutproxyURL() const { return m_OutproxyUrl; }
bool GetHelperSupport() { return m_Addresshelper; }
protected:
// Implements TCPIPAcceptor
@ -21,6 +22,7 @@ namespace proxy {
private:
std::string m_Name;
std::string m_OutproxyUrl;
bool m_Addresshelper;
};
} // http
} // i2p

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