#include <iomanip> #include <sstream> #include <thread> #include <memory> #include <boost/asio.hpp> #include <boost/bind.hpp> #include "Base.h" #include "FS.h" #include "Log.h" #include "Config.h" #include "Tunnel.h" #include "Transports.h" #include "NetDb.hpp" #include "HTTP.h" #include "LeaseSet.h" #include "Destination.h" #include "RouterContext.h" #include "ClientContext.h" #include "HTTPServer.h" #include "Daemon.h" #include "util.h" #ifdef WIN32_APP #include "Win32/Win32App.h" #endif // For image and info #include "version.h" namespace i2p { namespace http { const char *itoopieFavicon = "data:image/png;base64," "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACx" "jwv8YQUAAAAJcEhZcwAALiIAAC4iAari3ZIAAAAHdElNRQfgCQsUNSZrkhi1AAAAGXRFWHRTb2Z0" "d2FyZQBwYWludC5uZXQgNC4wLjEyQwRr7AAAAoJJREFUOE9jwAUqi4Q1oEwwcDTV1+5sETaBclGB" "vb09C5QJB6kWpvFQJoOCeLC5kmjEHCgXE2SlyETLi3h6QrkM4VL+ssWSCZUgtopITLKqaOotRTEn" "cbAkLqAkGtOqLBLVAWLXyWSVFkkmRiqLxuaqiWb/VBYJMAYrwgckJY25VEUzniqKhjU2y+RtCRSP" "6lUXy/1jIBV5tlYxZUaFVMq2NInwIi9hO8fSfOEAqDZUoCwal6MulvOvyS7gi69K4j9zxZT/m0ps" "/28ptvvvquXXryIa7QYMMdTwqi0WNtVi0GIDseXl7TnUxFKfnGlxAGp0+D8j2eH/8Ub7/9e7nf7X" "+Af/B7rwt6pI0h0l0WhQADOC9DBkhSirpImHNVZKp24ukkyoshGLnN8d5fA/y13t/44Kq/8hlnL/" "z7fZ/58f6vcxSNpbVUVFhV1RLNBVTsQzVYZPSwhsCAhkiIfpNMrkbO6TLf071Sfk/5ZSi/+7q6z/" "P5ns+v9mj/P/CpuI/20y+aeNGYxZoVoYGmsF3aFMBAAZlCwftnF9ke3//bU2//fXWP8/UGv731Am" "+V+DdNblSqnUYqhSTKAiYSOqJBrVqiaa+S3UNPr/gmyH/xuKXf63hnn/B8bIP0UxHfEyyeSNQKVM" "EB1AEB2twhcTLp+gIBJUoyKasEpVJHmqskh8qryovUG/ffCHHRU2q/Tk/YuB6eGPsbExa7ZkpLu1" "oLEcVDtuUCgV1w60rQzElpRUE1EVSX0BYidHiInXF4nagNhYQW60EF+ApH1ktni0A1SIITSUgVlZ" "JHYnlIsfzJjIp9xZKswL5YKBHL+coKJoRDaUSzoozxHVrygQU4JykQADAwAT5b1NHtwZugAAAABJ" "RU5ErkJggg=="; const char *cssStyles = "<style>\r\n" " body { font: 100%/1.5em sans-serif; margin: 0; padding: 1.5em; background: #FAFAFA; color: #103456; }\r\n" " a { text-decoration: none; color: #894C84; }\r\n" " a:hover { color: #FAFAFA; background: #894C84; }\r\n" " .header { font-size: 2.5em; text-align: center; margin: 1.5em 0; color: #894C84; }\r\n" " .wrapper { margin: 0 auto; padding: 1em; max-width: 60em; }\r\n" " .left { float: left; position: absolute; }\r\n" " .right { float: left; font-size: 1em; margin-left: 13em; max-width: 46em; overflow: auto; }\r\n" " .tunnel.established { color: #56B734; }\r\n" " .tunnel.expiring { color: #D3AE3F; }\r\n" " .tunnel.failed { color: #D33F3F; }\r\n" " .tunnel.another { color: #434343; }\r\n" " caption { font-size: 1.5em; text-align: center; color: #894C84; }\r\n" " table { width: 100%; border-collapse: collapse; text-align: center; }\r\n" " .private { background: black; color: black; } .private:hover { background: black; color: white } \r\n" " .slide p, .slide [type='checkbox']{ display:none; } \r\n" " .slide [type='checkbox']:checked ~ p { display:block; } \r\n" "</style>\r\n"; const char HTTP_PAGE_TUNNELS[] = "tunnels"; const char HTTP_PAGE_TRANSIT_TUNNELS[] = "transit_tunnels"; const char HTTP_PAGE_TRANSPORTS[] = "transports"; const char HTTP_PAGE_LOCAL_DESTINATIONS[] = "local_destinations"; const char HTTP_PAGE_LOCAL_DESTINATION[] = "local_destination"; const char HTTP_PAGE_I2CP_LOCAL_DESTINATION[] = "i2cp_local_destination"; const char HTTP_PAGE_SAM_SESSIONS[] = "sam_sessions"; const char HTTP_PAGE_SAM_SESSION[] = "sam_session"; const char HTTP_PAGE_I2P_TUNNELS[] = "i2p_tunnels"; const char HTTP_PAGE_COMMANDS[] = "commands"; const char HTTP_PAGE_LEASESETS[] = "leasesets"; const char HTTP_COMMAND_ENABLE_TRANSIT[] = "enable_transit"; const char HTTP_COMMAND_DISABLE_TRANSIT[] = "disable_transit"; const char HTTP_COMMAND_SHUTDOWN_START[] = "shutdown_start"; const char HTTP_COMMAND_SHUTDOWN_CANCEL[] = "shutdown_cancel"; const char HTTP_COMMAND_SHUTDOWN_NOW[] = "terminate"; const char HTTP_COMMAND_RUN_PEER_TEST[] = "run_peer_test"; const char HTTP_COMMAND_RELOAD_CONFIG[] = "reload_config"; const char HTTP_PARAM_SAM_SESSION_ID[] = "id"; const char HTTP_PARAM_ADDRESS[] = "address"; static void ShowUptime (std::stringstream& s, int seconds) { int num; if ((num = seconds / 86400) > 0) { s << num << " days, "; seconds -= num * 86400; } if ((num = seconds / 3600) > 0) { s << num << " hours, "; seconds -= num * 3600; } if ((num = seconds / 60) > 0) { s << num << " min, "; seconds -= num * 60; } s << seconds << " seconds"; } static void ShowTraffic (std::stringstream& s, uint64_t bytes) { s << std::fixed << std::setprecision(2); auto numKBytes = (double) bytes / 1024; if (numKBytes < 1024) s << numKBytes << " KiB"; else if (numKBytes < 1024 * 1024) s << numKBytes / 1024 << " MiB"; else s << numKBytes / 1024 / 1024 << " GiB"; } static void ShowTunnelDetails (std::stringstream& s, enum i2p::tunnel::TunnelState eState, int bytes) { std::string state; switch (eState) { case i2p::tunnel::eTunnelStateBuildReplyReceived : case i2p::tunnel::eTunnelStatePending : state = "building"; break; case i2p::tunnel::eTunnelStateBuildFailed : case i2p::tunnel::eTunnelStateTestFailed : case i2p::tunnel::eTunnelStateFailed : state = "failed"; break; case i2p::tunnel::eTunnelStateExpiring : state = "expiring"; break; case i2p::tunnel::eTunnelStateEstablished : state = "established"; break; default: state = "unknown"; break; } s << "<span class=\"tunnel " << state << "\"> " << state << "</span>, "; s << " " << (int) (bytes / 1024) << " KiB<br>\r\n"; } static void ShowPageHead (std::stringstream& s) { s << "<!DOCTYPE html>\r\n" "<html lang=\"en\">\r\n" /* TODO: Add support for locale */ " <head>\r\n" /* TODO: Find something to parse html/template system. This is horrible. */ #if (!defined(WIN32)) " <meta charset=\"UTF-8\">\r\n" #else " <meta charset=\"windows-1251\">\r\n" #endif " <link rel=\"shortcut icon\" href=\"" << itoopieFavicon << "\">\r\n" " <title>Purple I2P " VERSION " Webconsole</title>\r\n" << cssStyles << "</head>\r\n"; s << "<body>\r\n" "<div class=header><b>i2pd</b> webconsole</div>\r\n" "<div class=wrapper>\r\n" "<div class=left>\r\n" " <a href=\"/\">Main page</a><br>\r\n<br>\r\n" " <a href=\"/?page=" << HTTP_PAGE_COMMANDS << "\">Router commands</a><br>\r\n" " <a href=\"/?page=" << HTTP_PAGE_LOCAL_DESTINATIONS << "\">Local destinations</a><br>\r\n" " <a href=\"/?page=" << HTTP_PAGE_LEASESETS << "\">LeaseSets</a><br>\r\n" " <a href=\"/?page=" << HTTP_PAGE_TUNNELS << "\">Tunnels</a><br>\r\n" " <a href=\"/?page=" << HTTP_PAGE_TRANSIT_TUNNELS << "\">Transit tunnels</a><br>\r\n" " <a href=\"/?page=" << HTTP_PAGE_TRANSPORTS << "\">Transports</a><br>\r\n" " <a href=\"/?page=" << HTTP_PAGE_I2P_TUNNELS << "\">I2P tunnels</a><br>\r\n"; if (i2p::client::context.GetSAMBridge ()) s << " <a href=\"/?page=" << HTTP_PAGE_SAM_SESSIONS << "\">SAM sessions</a><br>\r\n"; s << "</div>\r\n" "<div class=right>"; } static void ShowPageTail (std::stringstream& s) { s << "</div></div>\r\n" "</body>\r\n" "</html>\r\n"; } static void ShowError(std::stringstream& s, const std::string& string) { s << "<b>ERROR:</b> " << string << "<br>\r\n"; } static void ShowStatus (std::stringstream& s) { s << "<b>Uptime:</b> "; ShowUptime(s, i2p::context.GetUptime ()); s << "<br>\r\n"; s << "<b>Network status:</b> "; switch (i2p::context.GetStatus ()) { case eRouterStatusOK: s << "OK"; break; case eRouterStatusTesting: s << "Testing"; break; case eRouterStatusFirewalled: s << "Firewalled"; break; case eRouterStatusError: { s << "Error"; switch (i2p::context.GetError ()) { case eRouterErrorClockSkew: s << "<br>Clock skew"; break; default: ; } break; } default: s << "Unknown"; } s << "<br>\r\n"; #if (!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID)) if (auto remains = Daemon.gracefulShutdownInterval) { s << "<b>Stopping in:</b> "; s << remains << " seconds"; s << "<br>\r\n"; } #endif auto family = i2p::context.GetFamily (); if (family.length () > 0) s << "<b>Family:</b> " << family << "<br>\r\n"; s << "<b>Tunnel creation success rate:</b> " << i2p::tunnel::tunnels.GetTunnelCreationSuccessRate () << "%<br>\r\n"; s << "<b>Received:</b> "; ShowTraffic (s, i2p::transport::transports.GetTotalReceivedBytes ()); s << " (" << (double) i2p::transport::transports.GetInBandwidth () / 1024 << " KiB/s)<br>\r\n"; s << "<b>Sent:</b> "; ShowTraffic (s, i2p::transport::transports.GetTotalSentBytes ()); s << " (" << (double) i2p::transport::transports.GetOutBandwidth () / 1024 << " KiB/s)<br>\r\n"; s << "<b>Transit:</b> "; ShowTraffic (s, i2p::transport::transports.GetTotalTransitTransmittedBytes ()); s << " (" << (double) i2p::transport::transports.GetTransitBandwidth () / 1024 << " KiB/s)<br>\r\n"; s << "<b>Data path:</b> " << i2p::fs::GetDataDir() << "<br>\r\n"; s << "<div class='slide'\r\n><label for='slide1'>Hidden content. Press on text to see.</label>\r\n<input type='checkbox' id='slide1'/>\r\n<p class='content'>\r\n"; s << "<b>Router Ident:</b> " << i2p::context.GetRouterInfo().GetIdentHashBase64() << "<br>\r\n"; s << "<b>Router Family:</b> " << i2p::context.GetRouterInfo().GetProperty("family") << "<br>\r\n"; s << "<b>Router Caps:</b> " << i2p::context.GetRouterInfo().GetProperty("caps") << "<br>\r\n"; s << "<b>Our external address:</b>" << "<br>\r\n" ; for (const auto& address : i2p::context.GetRouterInfo().GetAddresses()) { switch (address->transportStyle) { case i2p::data::RouterInfo::eTransportNTCP: if (address->host.is_v6 ()) s << "NTCP6 "; else s << "NTCP "; break; case i2p::data::RouterInfo::eTransportSSU: if (address->host.is_v6 ()) s << "SSU6 "; else s << "SSU "; break; default: s << "Unknown "; } s << address->host.to_string() << ":" << address->port << "<br>\r\n"; } s << "</p>\r\n</div>\r\n"; s << "<b>Routers:</b> " << i2p::data::netdb.GetNumRouters () << " "; s << "<b>Floodfills:</b> " << i2p::data::netdb.GetNumFloodfills () << " "; s << "<b>LeaseSets:</b> " << i2p::data::netdb.GetNumLeaseSets () << "<br>\r\n"; size_t clientTunnelCount = i2p::tunnel::tunnels.CountOutboundTunnels(); clientTunnelCount += i2p::tunnel::tunnels.CountInboundTunnels(); size_t transitTunnelCount = i2p::tunnel::tunnels.CountTransitTunnels(); s << "<b>Client Tunnels:</b> " << std::to_string(clientTunnelCount) << " "; s << "<b>Transit Tunnels:</b> " << std::to_string(transitTunnelCount) << "<br>\r\n"; } static void ShowLocalDestinations (std::stringstream& s) { s << "<b>Local Destinations:</b><br>\r\n<br>\r\n"; for (auto& it: i2p::client::context.GetDestinations ()) { auto ident = it.second->GetIdentHash (); s << "<a href=\"/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">"; s << i2p::client::context.GetAddressBook ().ToAddress(ident) << "</a><br>\r\n" << std::endl; } auto i2cpServer = i2p::client::context.GetI2CPServer (); if (i2cpServer) { s << "<br><b>I2CP Local Destinations:</b><br>\r\n<br>\r\n"; for (auto& it: i2cpServer->GetSessions ()) { auto dest = it.second->GetDestination (); if (dest) { auto ident = dest->GetIdentHash (); s << "<a href=\"/?page=" << HTTP_PAGE_I2CP_LOCAL_DESTINATION << "&i2cp_id=" << it.first << "\">"; s << i2p::client::context.GetAddressBook ().ToAddress(ident) << "</a><br>\r\n" << std::endl; } } } } static void ShowLeaseSetDestination (std::stringstream& s, std::shared_ptr<const i2p::client::LeaseSetDestination> dest) { s << "<b>Base64:</b><br>\r\n<textarea readonly=\"readonly\" cols=\"64\" rows=\"11\" wrap=\"on\">"; s << dest->GetIdentity ()->ToBase64 () << "</textarea><br>\r\n<br>\r\n"; s << "<b>LeaseSets:</b> <i>" << dest->GetNumRemoteLeaseSets () << "</i><br>\r\n"; if(dest->GetNumRemoteLeaseSets()) { s << "<div class='slide'\r\n><label for='slide1'>Hidden content. Press on text to see.</label>\r\n<input type='checkbox' id='slide1'/>\r\n<p class='content'>\r\n"; for(auto& it: dest->GetLeaseSets ()) s << it.second->GetIdentHash ().ToBase32 () << "<br>\r\n"; s << "</p>\r\n</div>\r\n"; } auto pool = dest->GetTunnelPool (); if (pool) { s << "<b>Inbound tunnels:</b><br>\r\n"; for (auto & it : pool->GetInboundTunnels ()) { it->Print(s); if(it->LatencyIsKnown()) s << " ( " << it->GetMeanLatency() << "ms )"; ShowTunnelDetails(s, it->GetState (), it->GetNumReceivedBytes ()); } s << "<br>\r\n"; s << "<b>Outbound tunnels:</b><br>\r\n"; for (auto & it : pool->GetOutboundTunnels ()) { it->Print(s); if(it->LatencyIsKnown()) s << " ( " << it->GetMeanLatency() << "ms )"; ShowTunnelDetails(s, it->GetState (), it->GetNumSentBytes ()); } } s << "<br>\r\n"; s << "<b>Tags</b><br>Incoming: " << dest->GetNumIncomingTags () << "<br>Outgoing:<br>" << std::endl; for (const auto& it: dest->GetSessions ()) { s << i2p::client::context.GetAddressBook ().ToAddress(it.first) << " "; s << it.second->GetNumOutgoingTags () << "<br>" << std::endl; } s << "<br>" << std::endl; } static void ShowLocalDestination (std::stringstream& s, const std::string& b32) { s << "<b>Local Destination:</b><br>\r\n<br>\r\n"; i2p::data::IdentHash ident; ident.FromBase32 (b32); auto dest = i2p::client::context.FindLocalDestination (ident); if (dest) { ShowLeaseSetDestination (s, dest); // show streams s << "<br>\r\n<table><caption>Streams</caption><tr>"; s << "<th>StreamID</th>"; s << "<th>Destination</th>"; s << "<th>Sent</th>"; s << "<th>Received</th>"; s << "<th>Out</th>"; s << "<th>In</th>"; s << "<th>Buf</th>"; s << "<th>RTT</th>"; s << "<th>Window</th>"; s << "<th>Status</th>"; s << "</tr>"; for (const auto& it: dest->GetAllStreams ()) { s << "<tr>"; s << "<td>" << it->GetSendStreamID () << "</td>"; s << "<td>" << i2p::client::context.GetAddressBook ().ToAddress(it->GetRemoteIdentity ()) << "</td>"; s << "<td>" << it->GetNumSentBytes () << "</td>"; s << "<td>" << it->GetNumReceivedBytes () << "</td>"; s << "<td>" << it->GetSendQueueSize () << "</td>"; s << "<td>" << it->GetReceiveQueueSize () << "</td>"; s << "<td>" << it->GetSendBufferSize () << "</td>"; s << "<td>" << it->GetRTT () << "</td>"; s << "<td>" << it->GetWindowSize () << "</td>"; s << "<td>" << (int)it->GetStatus () << "</td>"; s << "</tr><br>\r\n" << std::endl; } s << "</table>"; } } static void ShowI2CPLocalDestination (std::stringstream& s, const std::string& id) { auto i2cpServer = i2p::client::context.GetI2CPServer (); if (i2cpServer) { s << "<b>I2CP Local Destination:</b><br>\r\n<br>\r\n"; auto it = i2cpServer->GetSessions ().find (std::stoi (id)); if (it != i2cpServer->GetSessions ().end ()) ShowLeaseSetDestination (s, it->second->GetDestination ()); else ShowError(s, "I2CP session not found"); } else ShowError(s, "I2CP is not enabled"); } static void ShowLeasesSets(std::stringstream& s) { s << "<div id='leasesets'><b>LeaseSets (click on to show info):</b></div><br>\r\n"; int counter = 1; // for each lease set i2p::data::netdb.VisitLeaseSets( [&s, &counter](const i2p::data::IdentHash dest, std::shared_ptr<i2p::data::LeaseSet> leaseSet) { // create copy of lease set so we extract leases i2p::data::LeaseSet ls(leaseSet->GetBuffer(), leaseSet->GetBufferLen()); s << "<div class='leaseset"; if (ls.IsExpired()) s << " expired"; // additional css class for expired s << "'>\r\n"; if (!ls.IsValid()) s << "<div class='invalid'>!! Invalid !! </div>\r\n"; s << "<div class='slide'><label for='slide" << counter << "'>" << dest.ToBase32() << "</label>\r\n"; s << "<input type='checkbox' id='slide" << (counter++) << "'/>\r\n<p class='content'>\r\n"; s << "<b>Expires:</b> " << ls.GetExpirationTime() << "<br>\r\n"; auto leases = ls.GetNonExpiredLeases(); s << "<b>Non Expired Leases: " << leases.size() << "</b><br>\r\n"; for ( auto & l : leases ) { s << "<b>Gateway:</b> " << l->tunnelGateway.ToBase64() << "<br>\r\n"; s << "<b>TunnelID:</b> " << l->tunnelID << "<br>\r\n"; s << "<b>EndDate:</b> " << l->endDate << "<br>\r\n"; } s << "</p>\r\n</div>\r\n</div>\r\n"; } ); // end for each lease set } static void ShowTunnels (std::stringstream& s) { s << "<b>Queue size:</b> " << i2p::tunnel::tunnels.GetQueueSize () << "<br>\r\n"; s << "<b>Inbound tunnels:</b><br>\r\n"; for (auto & it : i2p::tunnel::tunnels.GetInboundTunnels ()) { it->Print(s); if(it->LatencyIsKnown()) s << " ( " << it->GetMeanLatency() << "ms )"; ShowTunnelDetails(s, it->GetState (), it->GetNumReceivedBytes ()); } s << "<br>\r\n"; s << "<b>Outbound tunnels:</b><br>\r\n"; for (auto & it : i2p::tunnel::tunnels.GetOutboundTunnels ()) { it->Print(s); if(it->LatencyIsKnown()) s << " ( " << it->GetMeanLatency() << "ms )"; ShowTunnelDetails(s, it->GetState (), it->GetNumSentBytes ()); } s << "<br>\r\n"; } static void ShowCommands (std::stringstream& s, uint32_t token) { /* commands */ s << "<b>Router Commands</b><br>\r\n"; s << " <a href=\"/?cmd=" << HTTP_COMMAND_RUN_PEER_TEST << "&token=" << token << "\">Run peer test</a><br>\r\n"; //s << " <a href=\"/?cmd=" << HTTP_COMMAND_RELOAD_CONFIG << "\">Reload config</a><br>\r\n"; if (i2p::context.AcceptsTunnels ()) s << " <a href=\"/?cmd=" << HTTP_COMMAND_DISABLE_TRANSIT << "&token=" << token << "\">Decline transit tunnels</a><br>\r\n"; else s << " <a href=\"/?cmd=" << HTTP_COMMAND_ENABLE_TRANSIT << "&token=" << token << "\">Accept transit tunnels</a><br>\r\n"; #if (!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID)) if (Daemon.gracefulShutdownInterval) s << " <a href=\"/?cmd=" << HTTP_COMMAND_SHUTDOWN_CANCEL << "&token=" << token << "\">Cancel graceful shutdown</a><br>"; else s << " <a href=\"/?cmd=" << HTTP_COMMAND_SHUTDOWN_START << "&token=" << token << "\">Start graceful shutdown</a><br>\r\n"; #endif #ifdef WIN32_APP s << " <a href=\"/?cmd=" << HTTP_COMMAND_SHUTDOWN_START << "&token=" << token << "\">Graceful shutdown</a><br>\r\n"; #endif s << " <a href=\"/?cmd=" << HTTP_COMMAND_SHUTDOWN_NOW << "&token=" << token << "\">Force shutdown</a><br>\r\n"; } static void ShowTransitTunnels (std::stringstream& s) { s << "<b>Transit tunnels:</b><br>\r\n<br>\r\n"; for (const auto& it: i2p::tunnel::tunnels.GetTransitTunnels ()) { if (std::dynamic_pointer_cast<i2p::tunnel::TransitTunnelGateway>(it)) s << it->GetTunnelID () << " ⇒ "; else if (std::dynamic_pointer_cast<i2p::tunnel::TransitTunnelEndpoint>(it)) s << " ⇒ " << it->GetTunnelID (); else s << " ⇒ " << it->GetTunnelID () << " ⇒ "; s << " " << it->GetNumTransmittedBytes () << "<br>\r\n"; } } static void ShowTransports (std::stringstream& s) { s << "<b>Transports:</b><br>\r\n<br>\r\n"; auto ntcpServer = i2p::transport::transports.GetNTCPServer (); if (ntcpServer) { auto sessions = ntcpServer->GetNTCPSessions (); if (!sessions.empty ()) { std::stringstream tmp_s, tmp_s6; uint16_t cnt = 0, cnt6 = 0; for (const auto& it: sessions ) { if (it.second && it.second->IsEstablished () && !it.second->GetSocket ().remote_endpoint ().address ().is_v6 ()) { // incoming connection doesn't have remote RI if (it.second->IsOutgoing ()) tmp_s << " ⇒ "; tmp_s << i2p::data::GetIdentHashAbbreviation (it.second->GetRemoteIdentity ()->GetIdentHash ()) << ": " << it.second->GetSocket ().remote_endpoint().address ().to_string (); if (!it.second->IsOutgoing ()) tmp_s << " ⇒ "; tmp_s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]"; tmp_s << "<br>\r\n" << std::endl; cnt++; } if (it.second && it.second->IsEstablished () && it.second->GetSocket ().remote_endpoint ().address ().is_v6 ()) { if (it.second->IsOutgoing ()) tmp_s6 << " ⇒ "; tmp_s6 << i2p::data::GetIdentHashAbbreviation (it.second->GetRemoteIdentity ()->GetIdentHash ()) << ": " << "[" << it.second->GetSocket ().remote_endpoint().address ().to_string () << "]"; if (!it.second->IsOutgoing ()) tmp_s6 << " ⇒ "; tmp_s6 << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]"; tmp_s6 << "<br>\r\n" << std::endl; cnt6++; } } if (!tmp_s.str ().empty ()) { s << "<b>NTCP</b> ( " << cnt << " )<br>\r\n"; s << tmp_s.str () << "<br>\r\n"; } if (!tmp_s6.str ().empty ()) { s << "<b>NTCP6</b> ( " << cnt6 << " )<br>\r\n"; s << tmp_s6.str () << "<br>\r\n"; } } } auto ssuServer = i2p::transport::transports.GetSSUServer (); if (ssuServer) { auto sessions = ssuServer->GetSessions (); if (!sessions.empty ()) { s << "<b>SSU</b> ( " << (int) sessions.size() << " )<br>\r\n"; for (const auto& it: sessions) { auto endpoint = it.second->GetRemoteEndpoint (); if (it.second->IsOutgoing ()) s << " ⇒ "; s << endpoint.address ().to_string () << ":" << endpoint.port (); if (!it.second->IsOutgoing ()) s << " ⇒ "; s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]"; if (it.second->GetRelayTag ()) s << " [itag:" << it.second->GetRelayTag () << "]"; s << "<br>\r\n" << std::endl; } s << "<br>\r\n"; } auto sessions6 = ssuServer->GetSessionsV6 (); if (!sessions6.empty ()) { s << "<b>SSU6</b> ( " << (int) sessions6.size() << " )<br>\r\n"; for (const auto& it: sessions6) { auto endpoint = it.second->GetRemoteEndpoint (); if (it.second->IsOutgoing ()) s << " ⇒ "; s << "[" << endpoint.address ().to_string () << "]:" << endpoint.port (); if (!it.second->IsOutgoing ()) s << " ⇒ "; s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]"; if (it.second->GetRelayTag ()) s << " [itag:" << it.second->GetRelayTag () << "]"; s << "<br>\r\n" << std::endl; } s << "<br>\r\n"; } } } static void ShowSAMSessions (std::stringstream& s) { auto sam = i2p::client::context.GetSAMBridge (); if (!sam) { ShowError(s, "SAM disabled"); return; } s << "<b>SAM Sessions:</b><br>\r\n<br>\r\n"; for (auto& it: sam->GetSessions ()) { s << "<a href=\"/?page=" << HTTP_PAGE_SAM_SESSION << "&sam_id=" << it.first << "\">"; s << it.first << "</a><br>\r\n" << std::endl; } } static void ShowSAMSession (std::stringstream& s, const std::string& id) { s << "<b>SAM Session:</b><br>\r\n<br>\r\n"; auto sam = i2p::client::context.GetSAMBridge (); if (!sam) { ShowError(s, "SAM disabled"); return; } auto session = sam->FindSession (id); if (!session) { ShowError(s, "SAM session not found"); return; } auto& ident = session->localDestination->GetIdentHash(); s << "<a href=\"/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">"; s << i2p::client::context.GetAddressBook ().ToAddress(ident) << "</a><br>\r\n"; s << "<br>\r\n"; s << "<b>Streams:</b><br>\r\n"; for (const auto& it: session->ListSockets()) { switch (it->GetSocketType ()) { case i2p::client::eSAMSocketTypeSession : s << "session"; break; case i2p::client::eSAMSocketTypeStream : s << "stream"; break; case i2p::client::eSAMSocketTypeAcceptor : s << "acceptor"; break; default: s << "unknown"; break; } s << " [" << it->GetSocket ().remote_endpoint() << "]"; s << "<br>\r\n"; } } static void ShowI2PTunnels (std::stringstream& s) { s << "<b>Client Tunnels:</b><br>\r\n<br>\r\n"; for (auto& it: i2p::client::context.GetClientTunnels ()) { auto& ident = it.second->GetLocalDestination ()->GetIdentHash(); s << "<a href=\"/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">"; s << it.second->GetName () << "</a> ⇐ "; s << i2p::client::context.GetAddressBook ().ToAddress(ident); s << "<br>\r\n"<< std::endl; } auto httpProxy = i2p::client::context.GetHttpProxy (); if (httpProxy) { auto& ident = httpProxy->GetLocalDestination ()->GetIdentHash(); s << "<a href=\"/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">"; s << "HTTP Proxy" << "</a> ⇐ "; s << i2p::client::context.GetAddressBook ().ToAddress(ident); s << "<br>\r\n"<< std::endl; } auto socksProxy = i2p::client::context.GetSocksProxy (); if (socksProxy) { auto& ident = socksProxy->GetLocalDestination ()->GetIdentHash(); s << "<a href=\"/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">"; s << "SOCKS Proxy" << "</a> ⇐ "; s << i2p::client::context.GetAddressBook ().ToAddress(ident); s << "<br>\r\n"<< std::endl; } s << "<br>\r\n<b>Server Tunnels:</b><br>\r\n<br>\r\n"; for (auto& it: i2p::client::context.GetServerTunnels ()) { auto& ident = it.second->GetLocalDestination ()->GetIdentHash(); s << "<a href=\"/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">"; s << it.second->GetName () << "</a> ⇒ "; s << i2p::client::context.GetAddressBook ().ToAddress(ident); s << ":" << it.second->GetLocalPort (); s << "</a><br>\r\n"<< std::endl; } auto& clientForwards = i2p::client::context.GetClientForwards (); if (!clientForwards.empty ()) { s << "<br>\r\n<b>Client Forwards:</b><br>\r\n<br>\r\n"; for (auto& it: clientForwards) { auto& ident = it.second->GetLocalDestination ()->GetIdentHash(); s << "<a href=\"/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">"; s << it.second->GetName () << "</a> ⇐ "; s << i2p::client::context.GetAddressBook ().ToAddress(ident); s << "<br>\r\n"<< std::endl; } } auto& serverForwards = i2p::client::context.GetServerForwards (); if (!serverForwards.empty ()) { s << "<br>\r\n<b>Server Forwards:</b><br>\r\n<br>\r\n"; for (auto& it: serverForwards) { auto& ident = it.second->GetLocalDestination ()->GetIdentHash(); s << "<a href=\"/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">"; s << it.second->GetName () << "</a> ⇐ "; s << i2p::client::context.GetAddressBook ().ToAddress(ident); s << "<br>\r\n"<< std::endl; } } } HTTPConnection::HTTPConnection (std::shared_ptr<boost::asio::ip::tcp::socket> socket): m_Socket (socket), m_Timer (socket->get_io_service ()), m_BufferLen (0) { /* cache options */ i2p::config::GetOption("http.auth", needAuth); i2p::config::GetOption("http.user", user); i2p::config::GetOption("http.pass", pass); } void HTTPConnection::Receive () { m_Socket->async_read_some (boost::asio::buffer (m_Buffer, HTTP_CONNECTION_BUFFER_SIZE), std::bind(&HTTPConnection::HandleReceive, shared_from_this (), std::placeholders::_1, std::placeholders::_2)); } void HTTPConnection::HandleReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred) { if (ecode) { if (ecode != boost::asio::error::operation_aborted) Terminate (ecode); return; } m_Buffer[bytes_transferred] = '\0'; m_BufferLen = bytes_transferred; RunRequest(); Receive (); } void HTTPConnection::RunRequest () { HTTPReq request; int ret = request.parse(m_Buffer); if (ret < 0) { m_Buffer[0] = '\0'; m_BufferLen = 0; return; /* error */ } if (ret == 0) return; /* need more data */ HandleRequest (request); } void HTTPConnection::Terminate (const boost::system::error_code& ecode) { if (ecode == boost::asio::error::operation_aborted) return; boost::system::error_code ignored_ec; m_Socket->shutdown(boost::asio::ip::tcp::socket::shutdown_both, ignored_ec); m_Socket->close (); } bool HTTPConnection::CheckAuth (const HTTPReq & req) { /* method #1: http://user:pass@127.0.0.1:7070/ */ if (req.uri.find('@') != std::string::npos) { URL url; if (url.parse(req.uri) && url.user == user && url.pass == pass) return true; } /* method #2: 'Authorization' header sent */ auto provided = req.GetHeader ("Authorization"); if (provided.length () > 0) { bool result = false; std::string expected = user + ":" + pass; size_t b64_sz = i2p::data::Base64EncodingBufferSize(expected.length()) + 1; char * b64_creds = new char[b64_sz]; std::size_t len = 0; len = i2p::data::ByteStreamToBase64((unsigned char *)expected.c_str(), expected.length(), b64_creds, b64_sz); /* if we decoded properly then check credentials */ if(len) { b64_creds[len] = '\0'; expected = "Basic "; expected += b64_creds; result = expected == provided; } delete [] b64_creds; return result; } LogPrint(eLogWarning, "HTTPServer: auth failure from ", m_Socket->remote_endpoint().address ()); return false; } void HTTPConnection::HandleRequest (const HTTPReq & req) { std::stringstream s; std::string content; HTTPRes res; LogPrint(eLogDebug, "HTTPServer: request: ", req.uri); if (needAuth && !CheckAuth(req)) { res.code = 401; res.add_header("WWW-Authenticate", "Basic realm=\"WebAdmin\""); SendReply(res, content); return; } // Html5 head start ShowPageHead (s); if (req.uri.find("page=") != std::string::npos) { HandlePage (req, res, s); } else if (req.uri.find("cmd=") != std::string::npos) { HandleCommand (req, res, s); } else { ShowStatus (s); res.add_header("Refresh", "10"); } ShowPageTail (s); res.code = 200; content = s.str (); SendReply (res, content); } std::map<uint32_t, uint32_t> HTTPConnection::m_Tokens; void HTTPConnection::HandlePage (const HTTPReq& req, HTTPRes& res, std::stringstream& s) { std::map<std::string, std::string> params; std::string page(""); URL url; url.parse(req.uri); url.parse_query(params); page = params["page"]; if (page == HTTP_PAGE_TRANSPORTS) ShowTransports (s); else if (page == HTTP_PAGE_TUNNELS) ShowTunnels (s); else if (page == HTTP_PAGE_COMMANDS) { uint32_t token; RAND_bytes ((uint8_t *)&token, 4); token &= 0x7FFFFFFF; // clear first bit auto ts = i2p::util::GetSecondsSinceEpoch (); for (auto it = m_Tokens.begin (); it != m_Tokens.end (); ) { if (ts > it->second + TOKEN_EXPIRATION_TIMEOUT) it = m_Tokens.erase (it); else ++it; } m_Tokens[token] = ts; ShowCommands (s, token); } else if (page == HTTP_PAGE_TRANSIT_TUNNELS) ShowTransitTunnels (s); else if (page == HTTP_PAGE_LOCAL_DESTINATIONS) ShowLocalDestinations (s); else if (page == HTTP_PAGE_LOCAL_DESTINATION) ShowLocalDestination (s, params["b32"]); else if (page == HTTP_PAGE_I2CP_LOCAL_DESTINATION) ShowI2CPLocalDestination (s, params["i2cp_id"]); else if (page == HTTP_PAGE_SAM_SESSIONS) ShowSAMSessions (s); else if (page == HTTP_PAGE_SAM_SESSION) ShowSAMSession (s, params["sam_id"]); else if (page == HTTP_PAGE_I2P_TUNNELS) ShowI2PTunnels (s); else if (page == HTTP_PAGE_LEASESETS) ShowLeasesSets(s); else { res.code = 400; ShowError(s, "Unknown page: " + page); return; } } void HTTPConnection::HandleCommand (const HTTPReq& req, HTTPRes& res, std::stringstream& s) { std::map<std::string, std::string> params; URL url; url.parse(req.uri); url.parse_query(params); std::string token = params["token"]; if (token.empty () || m_Tokens.find (std::stoi (token)) == m_Tokens.end ()) { ShowError(s, "Invalid token"); return; } std::string cmd = params["cmd"]; if (cmd == HTTP_COMMAND_RUN_PEER_TEST) i2p::transport::transports.PeerTest (); else if (cmd == HTTP_COMMAND_RELOAD_CONFIG) i2p::client::context.ReloadConfig (); else if (cmd == HTTP_COMMAND_ENABLE_TRANSIT) i2p::context.SetAcceptsTunnels (true); else if (cmd == HTTP_COMMAND_DISABLE_TRANSIT) i2p::context.SetAcceptsTunnels (false); else if (cmd == HTTP_COMMAND_SHUTDOWN_START) { i2p::context.SetAcceptsTunnels (false); #if (!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID)) Daemon.gracefulShutdownInterval = 10*60; #endif #ifdef WIN32_APP i2p::win32::GracefulShutdown (); #endif } else if (cmd == HTTP_COMMAND_SHUTDOWN_CANCEL) { i2p::context.SetAcceptsTunnels (true); #if (!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID)) Daemon.gracefulShutdownInterval = 0; #endif } else if (cmd == HTTP_COMMAND_SHUTDOWN_NOW) { Daemon.running = false; } else { res.code = 400; ShowError(s, "Unknown command: " + cmd); return; } s << "<b>SUCCESS</b>: Command accepted<br><br>\r\n"; s << "<a href=\"/?page=commands\">Back to commands list</a><br>\r\n"; s << "<p>You will be redirected in 5 seconds</b>"; res.add_header("Refresh", "5; url=/?page=commands"); } void HTTPConnection::SendReply (HTTPRes& reply, std::string& content) { reply.add_header("X-Frame-Options", "SAMEORIGIN"); reply.add_header("Content-Type", "text/html"); reply.body = content; m_SendBuffer = reply.to_string(); boost::asio::async_write (*m_Socket, boost::asio::buffer(m_SendBuffer), std::bind (&HTTPConnection::Terminate, shared_from_this (), std::placeholders::_1)); } HTTPServer::HTTPServer (const std::string& address, int port): m_IsRunning (false), m_Thread (nullptr), m_Work (m_Service), m_Acceptor (m_Service, boost::asio::ip::tcp::endpoint (boost::asio::ip::address::from_string(address), port)) { } HTTPServer::~HTTPServer () { Stop (); } void HTTPServer::Start () { bool needAuth; i2p::config::GetOption("http.auth", needAuth); std::string user; i2p::config::GetOption("http.user", user); std::string pass; i2p::config::GetOption("http.pass", pass); /* generate pass if needed */ if (needAuth && pass == "") { uint8_t random[16]; char alnum[] = "0123456789" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz"; pass.resize(sizeof(random)); RAND_bytes(random, sizeof(random)); for (size_t i = 0; i < sizeof(random); i++) { pass[i] = alnum[random[i] % (sizeof(alnum) - 1)]; } i2p::config::SetOption("http.pass", pass); LogPrint(eLogInfo, "HTTPServer: password set to ", pass); } m_IsRunning = true; m_Thread = std::unique_ptr<std::thread>(new std::thread (std::bind (&HTTPServer::Run, this))); m_Acceptor.listen (); Accept (); } void HTTPServer::Stop () { m_IsRunning = false; m_Acceptor.close(); m_Service.stop (); if (m_Thread) { m_Thread->join (); m_Thread = nullptr; } } void HTTPServer::Run () { while (m_IsRunning) { try { m_Service.run (); } catch (std::exception& ex) { LogPrint (eLogError, "HTTPServer: runtime exception: ", ex.what ()); } } } void HTTPServer::Accept () { auto newSocket = std::make_shared<boost::asio::ip::tcp::socket> (m_Service); m_Acceptor.async_accept (*newSocket, boost::bind (&HTTPServer::HandleAccept, this, boost::asio::placeholders::error, newSocket)); } void HTTPServer::HandleAccept(const boost::system::error_code& ecode, std::shared_ptr<boost::asio::ip::tcp::socket> newSocket) { if (ecode) { if(newSocket) newSocket->close(); LogPrint(eLogError, "HTTP Server: error handling accept ", ecode.message()); if(ecode != boost::asio::error::operation_aborted) Accept(); return; } CreateConnection(newSocket); Accept (); } void HTTPServer::CreateConnection(std::shared_ptr<boost::asio::ip::tcp::socket> newSocket) { auto conn = std::make_shared<HTTPConnection> (newSocket); conn->Receive (); } } // http } // i2p