| File: | rootdir/src/ClientTCPSocket.cpp |
| Warning: | line 110, column 4 This statement is never executed |
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| 1 | // |
| 2 | // This file is part of the aMule Project. |
| 3 | // |
| 4 | // Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org ) |
| 5 | // Copyright (c) 2002-2011 Merkur ( devs@emule-project.net / http://www.emule-project.net )// |
| 6 | // Any parts of this program derived from the xMule, lMule or eMule project, |
| 7 | // or contributed by third-party developers are copyrighted by their |
| 8 | // respective authors. |
| 9 | // |
| 10 | // This program is free software; you can redistribute it and/or modify |
| 11 | // it under the terms of the GNU General Public License as published by |
| 12 | // the Free Software Foundation; either version 2 of the License, or |
| 13 | // (at your option) any later version. |
| 14 | // |
| 15 | // This program is distributed in the hope that it will be useful, |
| 16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | // GNU General Public License for more details. |
| 19 | // |
| 20 | // You should have received a copy of the GNU General Public License |
| 21 | // along with this program; if not, write to the Free Software |
| 22 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| 23 | // |
| 24 | |
| 25 | #include "ClientTCPSocket.h" // Interface declarations |
| 26 | |
| 27 | #include <protocol/Protocols.h> |
| 28 | #include <protocol/ed2k/Client2Client/TCP.h> |
| 29 | #include <protocol/ed2k/Client2Client/UDP.h> // Sometimes we reply with UDP packets. |
| 30 | #include <protocol/ed2k/ClientSoftware.h> |
| 31 | #include <protocol/kad2/Client2Client/TCP.h> |
| 32 | #include <common/EventIDs.h> |
| 33 | |
| 34 | #include "Preferences.h" // Needed for thePrefs |
| 35 | #include "Packet.h" // Needed for CPacket |
| 36 | #include "Statistics.h" // Needed for theStats |
| 37 | #include "Logger.h" // Needed for logRemoteClient |
| 38 | #include "updownclient.h" // Needed for CUpDownClient |
| 39 | #include <common/Format.h> // Needed for CFormat |
| 40 | #include "amule.h" // Needed for theApp |
| 41 | #include "SharedFileList.h" // Needed for CSharedFileList |
| 42 | #include "ClientList.h" // Needed for CClientList |
| 43 | #include "UploadQueue.h" // Needed for CUploadQueue |
| 44 | #include "ClientUDPSocket.h" // Needed for CClientUDPSocket |
| 45 | #include "PartFile.h" // Needed for CPartFile |
| 46 | #include "MemFile.h" // Needed for CMemFile |
| 47 | #include "kademlia/kademlia/Kademlia.h" // Needed for CKademlia::Kademlia |
| 48 | #include "kademlia/kademlia/Prefs.h" // Needed for CKademlia::CPrefs |
| 49 | #include "DownloadQueue.h" // Needed for CDownloadQueue |
| 50 | #include "Server.h" // Needed for CServer |
| 51 | #include "ServerList.h" // Needed for CServerList |
| 52 | #include "IPFilter.h" // Needed for CIPFilter |
| 53 | #include "ListenSocket.h" // Needed for CListenSocket |
| 54 | #include "GuiEvents.h" // Needed for Notify_* |
| 55 | |
| 56 | |
| 57 | //#define __PACKET_RECV_DUMP__ |
| 58 | |
| 59 | #ifndef ASIO_SOCKETS |
| 60 | |
| 61 | //------------------------------------------------------------------------------ |
| 62 | // CClientTCPSocketHandler |
| 63 | //------------------------------------------------------------------------------ |
| 64 | |
| 65 | class CClientTCPSocketHandler: public wxEvtHandler |
| 66 | { |
| 67 | public: |
| 68 | CClientTCPSocketHandler() {}; |
| 69 | |
| 70 | private: |
| 71 | void ClientTCPSocketHandler(wxSocketEvent& event); |
| 72 | DECLARE_EVENT_TABLE()private: static const wxEventTableEntry sm_eventTableEntries[ ]; protected: GCC diagnostic push GCC diagnostic ignored "-Wsuggest-override" GCC diagnostic push GCC diagnostic ignored "-Winconsistent-missing-override" const wxEventTable* GetEventTable() const ; wxEventHashTable & GetEventHashTable() const ; GCC diagnostic pop GCC diagnostic pop static const wxEventTable sm_eventTable; static wxEventHashTable sm_eventHashTable; |
| 73 | }; |
| 74 | |
| 75 | BEGIN_EVENT_TABLE(CClientTCPSocketHandler, wxEvtHandler)const wxEventTable CClientTCPSocketHandler::sm_eventTable = { &wxEvtHandler::sm_eventTable, &CClientTCPSocketHandler ::sm_eventTableEntries[0] }; const wxEventTable *CClientTCPSocketHandler ::GetEventTable() const { return &CClientTCPSocketHandler ::sm_eventTable; } wxEventHashTable CClientTCPSocketHandler:: sm_eventHashTable(CClientTCPSocketHandler::sm_eventTable); wxEventHashTable &CClientTCPSocketHandler::GetEventHashTable() const { return CClientTCPSocketHandler::sm_eventHashTable; } const wxEventTableEntry CClientTCPSocketHandler::sm_eventTableEntries[] = { |
| 76 | EVT_SOCKET(ID_CLIENTTCPSOCKET_EVENT, CClientTCPSocketHandler::ClientTCPSocketHandler)wxEventTableEntry(wxEVT_SOCKET, ID_CLIENTTCPSOCKET_EVENT, wxID_ANY , wxNewEventTableFunctor(wxEVT_SOCKET, wxEventFunctionCast(wxPrivate ::DoCast<wxPrivate::EventArgOf<wxSocketEventFunction> ::type>(&CClientTCPSocketHandler::ClientTCPSocketHandler ))), __null), |
| 77 | END_EVENT_TABLE()wxEventTableEntry(wxEVT_NULL, 0, 0, __null, __null) }; |
| 78 | |
| 79 | void CClientTCPSocketHandler::ClientTCPSocketHandler(wxSocketEvent& event) |
| 80 | { |
| 81 | wxSocketBase* baseSocket = event.GetSocket(); |
| 82 | // wxASSERT(baseSocket); // Rather want a log message right now. Enough other wx problems. >:( |
| 83 | if (!baseSocket) { // WTF? |
| 84 | AddDebugLogLineN(logClient, wxT("received bad wxSocketEvent"))do {} while (false); |
| 85 | return; |
| 86 | } |
| 87 | |
| 88 | CClientTCPSocket *socket = dynamic_cast<CClientTCPSocket *>(baseSocket); |
| 89 | wxASSERT(socket)do { if ( socket ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp", 89, __FUNCTION__, "socket" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 90 | if (!socket) { |
| 91 | return; |
| 92 | } |
| 93 | |
| 94 | if (socket->IsDestroying()) { |
| 95 | return; |
| 96 | } |
| 97 | |
| 98 | switch(event.GetSocketEvent()) { |
| 99 | case wxSOCKET_LOST: |
| 100 | socket->OnError(0xFEFF /* SOCKET_LOST is not an error */); |
| 101 | break; |
| 102 | case wxSOCKET_INPUT: |
| 103 | socket->OnReceive(0); |
| 104 | break; |
| 105 | case wxSOCKET_OUTPUT: |
| 106 | socket->OnSend(0); |
| 107 | break; |
| 108 | case wxSOCKET_CONNECTION: |
| 109 | // connection stablished, nothing to do about it? |
| 110 | socket->OnConnect(socket->LastError()); |
This statement is never executed | |
| 111 | break; |
| 112 | default: |
| 113 | // Nothing should arrive here... |
| 114 | wxFAILdo { if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp" , 114, __FUNCTION__, "\"Assert failure\"", (const char*)__null ), wxTrapInAssert) ) { wxTrapInAssert = false; asm volatile ( "int $3"); } } while ( (void)0, 0 ); |
| 115 | break; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | // |
| 120 | // There can be only one. :) |
| 121 | // |
| 122 | static CClientTCPSocketHandler g_clientReqSocketHandler; |
| 123 | |
| 124 | #endif /* !ASIO_SOCKETS */ |
| 125 | |
| 126 | |
| 127 | //------------------------------------------------------------------------------ |
| 128 | // CClientTCPSocket |
| 129 | //------------------------------------------------------------------------------ |
| 130 | |
| 131 | CClientTCPSocket::CClientTCPSocket(CUpDownClient* in_client, const CProxyData *ProxyData) |
| 132 | : CEMSocket(ProxyData) |
| 133 | { |
| 134 | SetClient(in_client); |
| 135 | if (in_client) { |
| 136 | m_remoteip = wxUINT32_SWAP_ALWAYS(in_client->GetUserIDHybrid())((wxUint32) ( (((wxUint32) (in_client->GetUserIDHybrid()) & (wxUint32) 0x000000ffU) << 24) | (((wxUint32) (in_client ->GetUserIDHybrid()) & (wxUint32) 0x0000ff00U) << 8) | (((wxUint32) (in_client->GetUserIDHybrid()) & (wxUint32 ) 0x00ff0000U) >> 8) | (((wxUint32) (in_client->GetUserIDHybrid ()) & (wxUint32) 0xff000000U) >> 24))); |
| 137 | } else { |
| 138 | m_remoteip = 0; |
| 139 | } |
| 140 | |
| 141 | ResetTimeOutTimer(); |
| 142 | |
| 143 | #ifndef ASIO_SOCKETS |
| 144 | SetEventHandler(g_clientReqSocketHandler, ID_CLIENTTCPSOCKET_EVENT); |
| 145 | SetNotify( |
| 146 | wxSOCKET_CONNECTION_FLAG | |
| 147 | wxSOCKET_INPUT_FLAG | |
| 148 | wxSOCKET_OUTPUT_FLAG | |
| 149 | wxSOCKET_LOST_FLAG); |
| 150 | #endif |
| 151 | Notify(true); |
| 152 | |
| 153 | theApp->listensocket->AddSocket(this); |
| 154 | theApp->listensocket->AddConnection(); |
| 155 | } |
| 156 | |
| 157 | CClientTCPSocket::~CClientTCPSocket() |
| 158 | { |
| 159 | #ifndef ASIO_SOCKETS |
| 160 | // remove event handler |
| 161 | SetNotify(0); |
| 162 | Notify(false); |
| 163 | #endif |
| 164 | |
| 165 | if (m_client) { |
| 166 | m_client->SetSocket( NULL__null ); |
| 167 | } |
| 168 | m_client = NULL__null; |
| 169 | |
| 170 | if (theApp->listensocket && !theApp->listensocket->OnShutdown()) { |
| 171 | theApp->listensocket->RemoveSocket(this); |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | bool CClientTCPSocket::InitNetworkData() |
| 176 | { |
| 177 | wxASSERT(!m_remoteip)do { if ( !m_remoteip ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp", 177, __FUNCTION__, "!m_remoteip" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 178 | wxASSERT(!m_client)do { if ( !m_client ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp", 178, __FUNCTION__, "!m_client" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 179 | m_remoteip = GetPeerInt(); |
| 180 | |
| 181 | MULE_CHECK(m_remoteip, false)if ( (m_remoteip) ) {} else { do { if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp", 181, __FUNCTION__, "\"(m_remoteip)\"" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); return ( false); } struct wxDummyCheckStruct181; |
| 182 | |
| 183 | if (theApp->ipfilter->IsFiltered(m_remoteip)) { |
| 184 | AddDebugLogLineN(logClient, wxT("Denied connection from ") + GetPeer() + wxT("(Filtered IP)"))do {} while (false); |
| 185 | return false; |
| 186 | } else if (theApp->clientlist->IsBannedClient(m_remoteip)) { |
| 187 | AddDebugLogLineN(logClient, wxT("Denied connection from ") + GetPeer() + wxT("(Banned IP)"))do {} while (false); |
| 188 | return false; |
| 189 | } else { |
| 190 | AddDebugLogLineN(logClient, wxT("Accepted connection from ") + GetPeer())do {} while (false); |
| 191 | return true; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | void CClientTCPSocket::ResetTimeOutTimer() |
| 196 | { |
| 197 | timeout_timer = ::GetTickCount(); |
| 198 | } |
| 199 | |
| 200 | |
| 201 | bool CClientTCPSocket::CheckTimeOut() |
| 202 | { |
| 203 | // 0.42x |
| 204 | uint32 uTimeout = GetTimeOut(); |
| 205 | if (m_client) { |
| 206 | |
| 207 | if (m_client->GetKadState() == KS_CONNECTED_BUDDY) { |
| 208 | //We originally ignored the timeout here for buddies. |
| 209 | //This was a stupid idea on my part. There is now a ping/pong system |
| 210 | //for buddies. This ping/pong system now prevents timeouts. |
| 211 | //This release will allow lowID clients with KadVersion 0 to remain connected. |
| 212 | //But a soon future version needs to allow these older clients to time out to prevent dead connections from continuing. |
| 213 | //JOHNTODO: Don't forget to remove backward support in a future release. |
| 214 | if ( m_client->GetKadVersion() == 0 ) { |
| 215 | return false; |
| 216 | } |
| 217 | |
| 218 | uTimeout += MIN2MS(15)(((15)*60)*1000); |
| 219 | } |
| 220 | |
| 221 | if (m_client->GetChatState() != MS_NONE) { |
| 222 | uTimeout += CONNECTION_TIMEOUT40000; |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | if (::GetTickCount() - timeout_timer > uTimeout){ |
| 227 | timeout_timer = ::GetTickCount(); |
| 228 | Disconnect(wxT("Timeout")L"Timeout"); |
| 229 | return true; |
| 230 | } |
| 231 | |
| 232 | return false; |
| 233 | } |
| 234 | |
| 235 | |
| 236 | void CClientTCPSocket::SetClient(CUpDownClient* pClient) |
| 237 | { |
| 238 | m_client = pClient; |
| 239 | if (m_client) { |
| 240 | m_client->SetSocket( this ); |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | |
| 245 | void CClientTCPSocket::OnClose(int nErrorCode) |
| 246 | { |
| 247 | // 0.42x |
| 248 | wxASSERT(theApp->listensocket->IsValidSocket(this))do { if ( theApp->listensocket->IsValidSocket(this) ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp" , 248, __FUNCTION__, "theApp->listensocket->IsValidSocket(this)" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 249 | CEMSocket::OnClose(nErrorCode); |
| 250 | if (nErrorCode) { |
| 251 | Disconnect(CFormat(wxT("Closed: %u")L"Closed: %u") % nErrorCode); |
| 252 | } else { |
| 253 | Disconnect(wxT("Close")L"Close"); |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | |
| 258 | void CClientTCPSocket::Disconnect(const wxString& strReason) |
| 259 | { |
| 260 | byConnected = ES_DISCONNECTED0xFF; |
| 261 | if (m_client) { |
| 262 | if (m_client->Disconnected(strReason, true)) { |
| 263 | // Somehow, Safe_Delete() is being called by Disconnected(), |
| 264 | // or any other function that sets m_client to NULL, |
| 265 | // so we must check m_client first. |
| 266 | if (m_client) { |
| 267 | m_client->SetSocket( NULL__null ); |
| 268 | m_client->Safe_Delete(); |
| 269 | } |
| 270 | } |
| 271 | m_client = NULL__null; |
| 272 | } |
| 273 | |
| 274 | Safe_Delete(); |
| 275 | } |
| 276 | |
| 277 | |
| 278 | void CClientTCPSocket::Safe_Delete() |
| 279 | { |
| 280 | // More paranoia - make sure client is unlinked in any case |
| 281 | if (m_client) { |
| 282 | m_client->SetSocket( NULL__null ); |
| 283 | m_client = NULL__null; |
| 284 | } |
| 285 | |
| 286 | // Destroy may be called several times |
| 287 | byConnected = ES_DISCONNECTED0xFF; |
| 288 | Destroy(); |
| 289 | } |
| 290 | |
| 291 | |
| 292 | void CClientTCPSocket::Safe_Delete_Client() |
| 293 | { |
| 294 | if (m_client) { |
| 295 | m_client->Safe_Delete(); |
| 296 | m_client = NULL__null; |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | |
| 301 | bool CClientTCPSocket::ProcessPacket(const uint8_t* buffer, uint32 size, uint8 opcode) |
| 302 | { |
| 303 | #ifdef __PACKET_RECV_DUMP__ |
| 304 | //printf("Rec: OPCODE %x \n",opcode); |
| 305 | DumpMem(buffer, size); |
| 306 | #endif |
| 307 | if (!m_client && opcode != OP_HELLO) { |
| 308 | throw wxString(wxT("Asks for something without saying hello")L"Asks for something without saying hello"); |
| 309 | } else if (m_client && opcode != OP_HELLO && opcode != OP_HELLOANSWER) { |
| 310 | m_client->CheckHandshakeFinished(); |
| 311 | } |
| 312 | |
| 313 | switch(opcode) { |
| 314 | case OP_HELLOANSWER: { // 0.43b |
| 315 | AddDebugLogLineN(logRemoteClient, wxT("Remote Client: OP_HELLOANSWER from ") + m_client->GetFullIP())do {} while (false); |
| 316 | theStats::AddDownOverheadOther(size); |
| 317 | m_client->ProcessHelloAnswer(buffer, size); |
| 318 | |
| 319 | // start secure identification, if |
| 320 | // - we have received OP_EMULEINFO and OP_HELLOANSWER (old eMule) |
| 321 | // - we have received eMule-OP_HELLOANSWER (new eMule) |
| 322 | if (m_client->GetInfoPacketsReceived() == IP_BOTH) { |
| 323 | m_client->InfoPacketsReceived(); |
| 324 | } |
| 325 | |
| 326 | // Socket might die because of sending in InfoPacketsReceived, so check |
| 327 | if (m_client) { |
| 328 | m_client->ConnectionEstablished(); |
| 329 | } |
| 330 | |
| 331 | // Socket might die on ConnectionEstablished somehow. Check it. |
| 332 | if (m_client) { |
| 333 | Notify_SharedCtrlRefreshClient( m_client->ECID() , AVAILABLE_SOURCE)MuleNotify::DoNotify(&MuleNotify::SharedCtrlRefreshClient , m_client->ECID(), AVAILABLE_SOURCE); |
| 334 | } |
| 335 | |
| 336 | break; |
| 337 | } |
| 338 | case OP_HELLO: { // 0.43b |
| 339 | |
| 340 | theStats::AddDownOverheadOther(size); |
| 341 | bool bNewClient = !m_client; |
| 342 | if (bNewClient) { |
| 343 | // create new client to save standard information |
| 344 | m_client = new CUpDownClient(this); |
| 345 | } |
| 346 | |
| 347 | // Do not move up! |
| 348 | AddDebugLogLineN(logRemoteClient, wxT("Remote Client: OP_HELLO from ") + m_client->GetFullIP() )do {} while (false); |
| 349 | |
| 350 | bool bIsMuleHello = false; |
| 351 | |
| 352 | try{ |
| 353 | bIsMuleHello = m_client->ProcessHelloPacket(buffer, size); |
| 354 | } catch(...) { |
| 355 | if (bNewClient && m_client) { |
| 356 | // Don't let CUpDownClient::Disconnected be processed for a client which is not in the list of clients. |
| 357 | m_client->Safe_Delete(); |
| 358 | m_client = NULL__null; |
| 359 | } |
| 360 | throw; |
| 361 | } |
| 362 | |
| 363 | if (thePrefs::ParanoidFilter() && !IsLowID(m_client->GetUserIDHybrid()) && (GetRemoteIP() != wxUINT32_SWAP_ALWAYS(m_client->GetUserIDHybrid())((wxUint32) ( (((wxUint32) (m_client->GetUserIDHybrid()) & (wxUint32) 0x000000ffU) << 24) | (((wxUint32) (m_client ->GetUserIDHybrid()) & (wxUint32) 0x0000ff00U) << 8) | (((wxUint32) (m_client->GetUserIDHybrid()) & (wxUint32 ) 0x00ff0000U) >> 8) | (((wxUint32) (m_client->GetUserIDHybrid ()) & (wxUint32) 0xff000000U) >> 24))))) { |
| 364 | wxString reason = wxT("Client claims a different IP from the one we received the hello packet from: ")L"Client claims a different IP from the one we received the hello packet from: "; |
| 365 | reason += Uint32toStringIP(wxUINT32_SWAP_ALWAYS(m_client->GetUserIDHybrid())((wxUint32) ( (((wxUint32) (m_client->GetUserIDHybrid()) & (wxUint32) 0x000000ffU) << 24) | (((wxUint32) (m_client ->GetUserIDHybrid()) & (wxUint32) 0x0000ff00U) << 8) | (((wxUint32) (m_client->GetUserIDHybrid()) & (wxUint32 ) 0x00ff0000U) >> 8) | (((wxUint32) (m_client->GetUserIDHybrid ()) & (wxUint32) 0xff000000U) >> 24)))) + wxT(" / ")L" / " + Uint32toStringIP(GetRemoteIP()); |
| 366 | AddDebugLogLineN(logClient, reason)do {} while (false); |
| 367 | if (bNewClient) { |
| 368 | m_client->Safe_Delete(); |
| 369 | m_client = NULL__null; |
| 370 | } |
| 371 | Disconnect(wxT("Paranoid disconnecting: ")L"Paranoid disconnecting: " + reason); |
| 372 | return false; |
| 373 | } |
| 374 | |
| 375 | // if IP is filtered, dont reply but disconnect... |
| 376 | if (theApp->ipfilter->IsFiltered(m_client->GetIP())) { |
| 377 | if (bNewClient) { |
| 378 | m_client->Safe_Delete(); |
| 379 | m_client = NULL__null; |
| 380 | } |
| 381 | Disconnect(wxT("IPFilter")L"IPFilter"); |
| 382 | return false; |
| 383 | } |
| 384 | |
| 385 | wxASSERT(m_client)do { if ( m_client ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp", 385, __FUNCTION__, "m_client" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 386 | |
| 387 | // now we check if we know this client already. if yes this socket will |
| 388 | // be attached to the known client, the new client will be deleted |
| 389 | // and the var. "client" will point to the known client. |
| 390 | // if not we keep our new-constructed client ;) |
| 391 | if (theApp->clientlist->AttachToAlreadyKnown(&m_client,this)) { |
| 392 | // update the old client information |
| 393 | bIsMuleHello = m_client->ProcessHelloPacket(buffer, size); |
| 394 | } else { |
| 395 | theApp->clientlist->AddClient(m_client); |
| 396 | m_client->SetCommentDirty(); |
| 397 | } |
| 398 | Notify_SharedCtrlRefreshClient( m_client->ECID(), AVAILABLE_SOURCE )MuleNotify::DoNotify(&MuleNotify::SharedCtrlRefreshClient , m_client->ECID(), AVAILABLE_SOURCE); |
| 399 | // send a response packet with standard information |
| 400 | if ((m_client->GetHashType() == SO_EMULE) && !bIsMuleHello) { |
| 401 | m_client->SendMuleInfoPacket(false); |
| 402 | } |
| 403 | |
| 404 | // Client might die from Sending in SendMuleInfoPacket, so check |
| 405 | if ( m_client ) { |
| 406 | m_client->SendHelloAnswer(); |
| 407 | } |
| 408 | |
| 409 | // Kry - If the other side supports it, send OS_INFO |
| 410 | // Client might die from Sending in SendHelloAnswer, so check |
| 411 | if (m_client && m_client->GetOSInfoSupport()) { |
| 412 | m_client->SendMuleInfoPacket(false,true); // Send the OS Info tag on the recycled Mule Info |
| 413 | } |
| 414 | |
| 415 | // Client might die from Sending in SendMuleInfoPacket, so check |
| 416 | if ( m_client ) { |
| 417 | m_client->ConnectionEstablished(); |
| 418 | } |
| 419 | |
| 420 | // start secure identification, if |
| 421 | // - we have received eMule-OP_HELLO (new eMule) |
| 422 | if (m_client && m_client->GetInfoPacketsReceived() == IP_BOTH) { |
| 423 | m_client->InfoPacketsReceived(); |
| 424 | } |
| 425 | |
| 426 | break; |
| 427 | } |
| 428 | case OP_REQUESTFILENAME: { // 0.43b |
| 429 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_REQUESTFILENAME from ") + m_client->GetFullIP() )do {} while (false); |
| 430 | |
| 431 | theStats::AddDownOverheadFileRequest(size); |
| 432 | // IP banned, no answer for this request |
| 433 | if (m_client->IsBanned()) { |
| 434 | break; |
| 435 | } |
| 436 | if (size >= 16) { |
| 437 | if (!m_client->GetWaitStartTime()) { |
| 438 | m_client->SetWaitStartTime(); |
| 439 | } |
| 440 | CMemFile data_in(buffer, size); |
| 441 | CMD4Hash reqfilehash = data_in.ReadHash(); |
| 442 | CKnownFile *reqfile = theApp->sharedfiles->GetFileByID(reqfilehash); |
| 443 | if ( reqfile == NULL__null ) { |
| 444 | reqfile = theApp->downloadqueue->GetFileByID(reqfilehash); |
| 445 | if ( !( reqfile != NULL__null && reqfile->GetFileSize() > PARTSIZE ) ) { |
| 446 | break; |
| 447 | } |
| 448 | } |
| 449 | // if we are downloading this file, this could be a new source |
| 450 | // no passive adding of files with only one part |
| 451 | if (reqfile->IsPartFile() && reqfile->GetFileSize() > PARTSIZE) { |
| 452 | if (thePrefs::GetMaxSourcePerFile() > static_cast<CPartFile*>(reqfile)->GetSourceCount()) { |
| 453 | theApp->downloadqueue->CheckAndAddKnownSource(static_cast<CPartFile*>(reqfile), m_client); |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | // check to see if this is a new file they are asking for |
| 458 | if (m_client->GetUploadFileID() != reqfilehash) { |
| 459 | m_client->SetCommentDirty(); |
| 460 | } |
| 461 | |
| 462 | m_client->SetUploadFileID(reqfile); |
| 463 | m_client->ProcessExtendedInfo(&data_in, reqfile); |
| 464 | |
| 465 | // send filename etc |
| 466 | CMemFile data_out(128); |
| 467 | data_out.WriteHash(reqfile->GetFileHash()); |
| 468 | |
| 469 | // Since it's for somebody else to see, we need to send the prettified |
| 470 | // filename, rather than the (possibly) mangled actual filename. |
| 471 | data_out.WriteString(reqfile->GetFileName().GetPrintable(), m_client->GetUnicodeSupport()); |
| 472 | |
| 473 | CPacket* packet = new CPacket(data_out, OP_EDONKEYPROT, OP_REQFILENAMEANSWER); |
| 474 | theStats::AddUpOverheadFileRequest(packet->GetPacketSize()); |
| 475 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_REQFILENAMEANSWER to ") + m_client->GetFullIP() )do {} while (false); |
| 476 | SendPacket(packet,true); |
| 477 | |
| 478 | // SendPacket might kill the socket, so check |
| 479 | if (m_client) |
| 480 | m_client->SendCommentInfo(reqfile); |
| 481 | |
| 482 | break; |
| 483 | } |
| 484 | throw wxString(wxT("Invalid OP_REQUESTFILENAME packet size")L"Invalid OP_REQUESTFILENAME packet size"); |
| 485 | break; |
| 486 | } |
| 487 | case OP_SETREQFILEID: { // 0.43b EXCEPT track of bad clients |
| 488 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_SETREQFILEID from ") + m_client->GetFullIP() )do {} while (false); |
| 489 | |
| 490 | theStats::AddDownOverheadFileRequest(size); |
| 491 | |
| 492 | if (m_client->IsBanned()) { |
| 493 | break; |
| 494 | } |
| 495 | |
| 496 | // DbT:FileRequest |
| 497 | if (size == 16) { |
| 498 | if (!m_client->GetWaitStartTime()) { |
| 499 | m_client->SetWaitStartTime(); |
| 500 | } |
| 501 | |
| 502 | const CMD4Hash fileID(buffer); |
| 503 | CKnownFile *reqfile = theApp->sharedfiles->GetFileByID(fileID); |
| 504 | if ( reqfile == NULL__null ) { |
| 505 | reqfile = theApp->downloadqueue->GetFileByID(fileID); |
| 506 | if ( !( reqfile != NULL__null && reqfile->GetFileSize() > PARTSIZE ) ) { |
| 507 | CPacket* replypacket = new CPacket(OP_FILEREQANSNOFIL, 16, OP_EDONKEYPROT); |
| 508 | replypacket->Copy16ToDataBuffer(fileID.GetHash()); |
| 509 | theStats::AddUpOverheadFileRequest(replypacket->GetPacketSize()); |
| 510 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_FILERE to ") + m_client->GetFullIP() )do {} while (false); |
| 511 | SendPacket(replypacket, true); |
| 512 | break; |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | // check to see if this is a new file they are asking for |
| 517 | if (m_client->GetUploadFileID() != fileID) { |
| 518 | m_client->SetCommentDirty(); |
| 519 | } |
| 520 | |
| 521 | m_client->SetUploadFileID(reqfile); |
| 522 | // send filestatus |
| 523 | CMemFile data(16+16); |
| 524 | data.WriteHash(reqfile->GetFileHash()); |
| 525 | if (reqfile->IsPartFile()) { |
| 526 | static_cast<CPartFile*>(reqfile)->WritePartStatus(&data); |
| 527 | } else { |
| 528 | data.WriteUInt16(0); |
| 529 | } |
| 530 | CPacket* packet = new CPacket(data, OP_EDONKEYPROT, OP_FILESTATUS); |
| 531 | theStats::AddUpOverheadFileRequest(packet->GetPacketSize()); |
| 532 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_FILESTATUS to ") + m_client->GetFullIP() )do {} while (false); |
| 533 | SendPacket(packet, true); |
| 534 | break; |
| 535 | } |
| 536 | throw wxString(wxT("Invalid OP_FILEREQUEST packet size")L"Invalid OP_FILEREQUEST packet size"); |
| 537 | break; |
| 538 | // DbT:End |
| 539 | } |
| 540 | |
| 541 | case OP_FILEREQANSNOFIL: { // 0.43b protocol, lacks ZZ's download manager on swap |
| 542 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_FILEREQANSNOFIL from ") + m_client->GetFullIP() )do {} while (false); |
| 543 | |
| 544 | theStats::AddDownOverheadFileRequest(size); |
| 545 | if (size == 16) { |
| 546 | // if that client does not have my file maybe has another different |
| 547 | CPartFile* reqfile = theApp->downloadqueue->GetFileByID(CMD4Hash(buffer)); |
| 548 | if ( reqfile) { |
| 549 | reqfile->AddDeadSource( m_client ); |
| 550 | } else { |
| 551 | break; |
| 552 | } |
| 553 | |
| 554 | // we try to swap to another file ignoring no needed parts files |
| 555 | switch (m_client->GetDownloadState()) { |
| 556 | case DS_CONNECTED: |
| 557 | case DS_ONQUEUE: |
| 558 | case DS_NONEEDEDPARTS: |
| 559 | if (!m_client->SwapToAnotherFile(true, true, true, NULL__null)) { |
| 560 | theApp->downloadqueue->RemoveSource(m_client); |
| 561 | } |
| 562 | break; |
| 563 | } |
| 564 | break; |
| 565 | } |
| 566 | throw wxString(wxT("Invalid OP_FILEREQUEST packet size")L"Invalid OP_FILEREQUEST packet size"); |
| 567 | break; |
| 568 | } |
| 569 | |
| 570 | case OP_REQFILENAMEANSWER: { // 0.43b except check for bad clients |
| 571 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_REQFILENAMEANSWER from ") + m_client->GetFullIP() )do {} while (false); |
| 572 | |
| 573 | theStats::AddDownOverheadFileRequest(size); |
| 574 | CMemFile data(buffer, size); |
| 575 | CMD4Hash hash = data.ReadHash(); |
| 576 | const CPartFile* file = theApp->downloadqueue->GetFileByID(hash); |
| 577 | m_client->ProcessFileInfo(&data, file); |
| 578 | break; |
| 579 | } |
| 580 | |
| 581 | case OP_FILESTATUS: { // 0.43b except check for bad clients |
| 582 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_FILESTATUS from ") + m_client->GetFullIP() )do {} while (false); |
| 583 | |
| 584 | theStats::AddDownOverheadFileRequest(size); |
| 585 | CMemFile data(buffer, size); |
| 586 | CMD4Hash hash = data.ReadHash(); |
| 587 | const CPartFile* file = theApp->downloadqueue->GetFileByID(hash); |
| 588 | m_client->ProcessFileStatus(false, &data, file); |
| 589 | break; |
| 590 | } |
| 591 | |
| 592 | case OP_STARTUPLOADREQ: { |
| 593 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_STARTUPLOADREQ from ") + m_client->GetFullIP() )do {} while (false); |
| 594 | |
| 595 | theStats::AddDownOverheadFileRequest(size); |
| 596 | |
| 597 | if (!m_client->CheckHandshakeFinished()) { |
| 598 | break; |
| 599 | } |
| 600 | |
| 601 | m_client->CheckForAggressive(); |
| 602 | if ( m_client->IsBanned() ) { |
| 603 | break; |
| 604 | } |
| 605 | |
| 606 | if (size == 16) { |
| 607 | const CMD4Hash fileID(buffer); |
| 608 | CKnownFile* reqfile = theApp->sharedfiles->GetFileByID(fileID); |
| 609 | if (reqfile) { |
| 610 | if (m_client->GetUploadFileID() != fileID) { |
| 611 | m_client->SetCommentDirty(); |
| 612 | } |
| 613 | m_client->SetUploadFileID(reqfile); |
| 614 | m_client->SendCommentInfo(reqfile); |
| 615 | |
| 616 | // Socket might die because of SendCommentInfo, so check |
| 617 | if (m_client) |
| 618 | theApp->uploadqueue->AddClientToQueue(m_client); |
| 619 | } |
| 620 | } |
| 621 | break; |
| 622 | } |
| 623 | |
| 624 | case OP_QUEUERANK: { // 0.43b |
| 625 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_QUEUERANK from ") + m_client->GetFullIP() )do {} while (false); |
| 626 | |
| 627 | theStats::AddDownOverheadFileRequest(size); |
| 628 | CMemFile data(buffer, size); |
| 629 | uint32 rank = data.ReadUInt32(); |
| 630 | |
| 631 | m_client->SetRemoteQueueRank(rank); |
| 632 | break; |
| 633 | } |
| 634 | |
| 635 | case OP_ACCEPTUPLOADREQ: { // 0.42e (xcept khaos stats) |
| 636 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_ACCEPTUPLOADREQ from ") + m_client->GetFullIP() )do {} while (false); |
| 637 | |
| 638 | theStats::AddDownOverheadFileRequest(size); |
| 639 | if (m_client->GetRequestFile() && !m_client->GetRequestFile()->IsStopped() && (m_client->GetRequestFile()->GetStatus()==PS_READY0 || m_client->GetRequestFile()->GetStatus()==PS_EMPTY1)) { |
| 640 | if (m_client->GetDownloadState() == DS_ONQUEUE ) { |
| 641 | m_client->SetDownloadState(DS_DOWNLOADING); |
| 642 | m_client->SetLastPartAsked(0xffff); // Reset current downloaded Chunk // Maella -Enhanced Chunk Selection- (based on jicxicmic) |
| 643 | m_client->SendBlockRequests(); |
| 644 | } |
| 645 | } else { |
| 646 | if (!m_client->GetSentCancelTransfer()) { |
| 647 | CPacket* packet = new CPacket(OP_CANCELTRANSFER, 0, OP_EDONKEYPROT); |
| 648 | theStats::AddUpOverheadFileRequest(packet->GetPacketSize()); |
| 649 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_CANCELTRANSFER to ") + m_client->GetFullIP() )do {} while (false); |
| 650 | m_client->SendPacket(packet,true,true); |
| 651 | |
| 652 | // SendPacket can cause the socket to die, so check |
| 653 | if (m_client) |
| 654 | m_client->SetSentCancelTransfer(1); |
| 655 | } |
| 656 | |
| 657 | if (m_client) |
| 658 | m_client->SetDownloadState((m_client->GetRequestFile()==NULL__null || m_client->GetRequestFile()->IsStopped()) ? DS_NONE : DS_ONQUEUE); |
| 659 | } |
| 660 | break; |
| 661 | } |
| 662 | |
| 663 | case OP_REQUESTPARTS: { // 0.43b |
| 664 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_REQUESTPARTS from ") + m_client->GetFullIP() )do {} while (false); |
| 665 | |
| 666 | theStats::AddDownOverheadFileRequest(size); |
| 667 | |
| 668 | m_client->ProcessRequestPartsPacket(buffer, size, false); |
| 669 | |
| 670 | break; |
| 671 | } |
| 672 | |
| 673 | case OP_CANCELTRANSFER: { // 0.43b |
| 674 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_CANCELTRANSFER from ") + m_client->GetFullIP() )do {} while (false); |
| 675 | |
| 676 | theStats::AddDownOverheadFileRequest(size); |
| 677 | theApp->uploadqueue->RemoveFromUploadQueue(m_client); |
| 678 | AddDebugLogLineN( logClient, m_client->GetUserName() + wxT(": Upload session ended due canceled transfer."))do {} while (false); |
| 679 | break; |
| 680 | } |
| 681 | |
| 682 | case OP_END_OF_DOWNLOAD: { // 0.43b except check for bad clients |
| 683 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_END_OF_DOWNLOAD from ") + m_client->GetFullIP() )do {} while (false); |
| 684 | |
| 685 | theStats::AddDownOverheadFileRequest(size); |
| 686 | if (size>=16 && m_client->GetUploadFileID() == CMD4Hash(buffer)) { |
| 687 | theApp->uploadqueue->RemoveFromUploadQueue(m_client); |
| 688 | AddDebugLogLineN( logClient, m_client->GetUserName() + wxT(": Upload session ended due ended transfer."))do {} while (false); |
| 689 | } |
| 690 | break; |
| 691 | } |
| 692 | |
| 693 | case OP_HASHSETREQUEST: { // 0.43b except check for bad clients |
| 694 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_HASHSETREQUEST from ") + m_client->GetFullIP() )do {} while (false); |
| 695 | |
| 696 | |
| 697 | theStats::AddDownOverheadFileRequest(size); |
| 698 | if (size != 16) { |
| 699 | throw wxString(wxT("Invalid OP_HASHSETREQUEST packet size")L"Invalid OP_HASHSETREQUEST packet size"); |
| 700 | } |
| 701 | m_client->SendHashsetPacket(CMD4Hash(buffer)); |
| 702 | break; |
| 703 | } |
| 704 | |
| 705 | case OP_HASHSETANSWER: { // 0.43b |
| 706 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_HASHSETANSWER from ") + m_client->GetFullIP() )do {} while (false); |
| 707 | |
| 708 | theStats::AddDownOverheadFileRequest(size); |
| 709 | m_client->ProcessHashSet(buffer, size); |
| 710 | break; |
| 711 | } |
| 712 | |
| 713 | case OP_SENDINGPART: { // 0.47a |
| 714 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_SENDINGPART from ") + m_client->GetFullIP() )do {} while (false); |
| 715 | |
| 716 | if ( m_client->GetRequestFile() && |
| 717 | !m_client->GetRequestFile()->IsStopped() && |
| 718 | (m_client->GetRequestFile()->GetStatus() == PS_READY0 || m_client->GetRequestFile()->GetStatus()==PS_EMPTY1)) { |
| 719 | |
| 720 | m_client->ProcessBlockPacket(buffer, size, false, false); |
| 721 | |
| 722 | if ( m_client && |
| 723 | ( m_client->GetRequestFile()->IsStopped() || |
| 724 | m_client->GetRequestFile()->GetStatus() == PS_PAUSED7 || |
| 725 | m_client->GetRequestFile()->GetStatus() == PS_ERROR4) ) { |
| 726 | if (!m_client->GetSentCancelTransfer()) { |
| 727 | CPacket* packet = new CPacket(OP_CANCELTRANSFER, 0, OP_EDONKEYPROT); |
| 728 | theStats::AddUpOverheadFileRequest(packet->GetPacketSize()); |
| 729 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_CANCELTRANSFER to ") + m_client->GetFullIP() )do {} while (false); |
| 730 | m_client->SendPacket(packet,true,true); |
| 731 | |
| 732 | // Socket might die because of SendPacket, so check |
| 733 | if (m_client) |
| 734 | m_client->SetSentCancelTransfer(1); |
| 735 | } |
| 736 | |
| 737 | if (m_client) |
| 738 | m_client->SetDownloadState(m_client->GetRequestFile()->IsStopped() ? DS_NONE : DS_ONQUEUE); |
| 739 | } |
| 740 | } else { |
| 741 | if (!m_client->GetSentCancelTransfer()) { |
| 742 | CPacket* packet = new CPacket(OP_CANCELTRANSFER, 0, OP_EDONKEYPROT); |
| 743 | theStats::AddUpOverheadFileRequest(packet->GetPacketSize()); |
| 744 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_CANCELTRANSFER to ") + m_client->GetFullIP() )do {} while (false); |
| 745 | m_client->SendPacket(packet,true,true); |
| 746 | |
| 747 | // Socket might die because of SendPacket, so check |
| 748 | m_client->SetSentCancelTransfer(1); |
| 749 | } |
| 750 | m_client->SetDownloadState((m_client->GetRequestFile()==NULL__null || m_client->GetRequestFile()->IsStopped()) ? DS_NONE : DS_ONQUEUE); |
| 751 | } |
| 752 | break; |
| 753 | } |
| 754 | |
| 755 | case OP_OUTOFPARTREQS: { // 0.43b |
| 756 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_OUTOFPARTREQS from ") + m_client->GetFullIP() )do {} while (false); |
| 757 | |
| 758 | theStats::AddDownOverheadFileRequest(size); |
| 759 | if (m_client->GetDownloadState() == DS_DOWNLOADING) { |
| 760 | m_client->SetDownloadState(DS_ONQUEUE); |
| 761 | } |
| 762 | break; |
| 763 | } |
| 764 | |
| 765 | case OP_CHANGE_CLIENT_ID: { // Kad reviewed |
| 766 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_CHANGE_CLIENT_ID from ") + m_client->GetFullIP() )do {} while (false); |
| 767 | |
| 768 | theStats::AddDownOverheadOther(size); |
| 769 | CMemFile data(buffer, size); |
| 770 | uint32 nNewUserID = data.ReadUInt32(); |
| 771 | uint32 nNewServerIP = data.ReadUInt32(); |
| 772 | |
| 773 | if (IsLowID(nNewUserID)) { // client changed server and gots a LowID |
| 774 | CServer* pNewServer = theApp->serverlist->GetServerByIP(nNewServerIP); |
| 775 | if (pNewServer != NULL__null){ |
| 776 | m_client->SetUserIDHybrid(nNewUserID); // update UserID only if we know the server |
| 777 | m_client->SetServerIP(nNewServerIP); |
| 778 | m_client->SetServerPort(pNewServer->GetPort()); |
| 779 | } |
| 780 | } else if (nNewUserID == m_client->GetIP()) { // client changed server and gots a HighID(IP) |
| 781 | m_client->SetUserIDHybrid(wxUINT32_SWAP_ALWAYS(nNewUserID)((wxUint32) ( (((wxUint32) (nNewUserID) & (wxUint32) 0x000000ffU ) << 24) | (((wxUint32) (nNewUserID) & (wxUint32) 0x0000ff00U ) << 8) | (((wxUint32) (nNewUserID) & (wxUint32) 0x00ff0000U ) >> 8) | (((wxUint32) (nNewUserID) & (wxUint32) 0xff000000U ) >> 24)))); |
| 782 | CServer* pNewServer = theApp->serverlist->GetServerByIP(nNewServerIP); |
| 783 | if (pNewServer != NULL__null){ |
| 784 | m_client->SetServerIP(nNewServerIP); |
| 785 | m_client->SetServerPort(pNewServer->GetPort()); |
| 786 | } |
| 787 | } |
| 788 | |
| 789 | break; |
| 790 | } |
| 791 | |
| 792 | case OP_CHANGE_SLOT:{ // 0.43b |
| 793 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_CHANGE_SLOT from ") + m_client->GetFullIP() )do {} while (false); |
| 794 | |
| 795 | // sometimes sent by Hybrid |
| 796 | theStats::AddDownOverheadOther(size); |
| 797 | break; |
| 798 | } |
| 799 | |
| 800 | case OP_MESSAGE: { // 0.43b |
| 801 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_MESSAGE from ") + m_client->GetFullIP() )do {} while (false); |
| 802 | |
| 803 | theStats::AddDownOverheadOther(size); |
| 804 | |
| 805 | if (size < 2) { |
| 806 | throw wxString(wxT("invalid message packet")L"invalid message packet"); |
| 807 | } |
| 808 | CMemFile message_file(buffer, size); |
| 809 | uint16 length = message_file.ReadUInt16(); |
| 810 | if (length + 2u != size) { |
| 811 | throw wxString(wxT("invalid message packet")L"invalid message packet"); |
| 812 | } |
| 813 | |
| 814 | // limit message length |
| 815 | static const uint16 MAX_CLIENT_MSG_LEN = 450; |
| 816 | |
| 817 | if (length > MAX_CLIENT_MSG_LEN) { |
| 818 | AddDebugLogLineN(logRemoteClient, CFormat(wxT("Message from '%s' (IP:%s) exceeds limit by %u chars, truncated."))do {} while (false) |
| 819 | % m_client->GetUserName() % m_client->GetFullIP() % (length - MAX_CLIENT_MSG_LEN))do {} while (false); |
| 820 | length = MAX_CLIENT_MSG_LEN; |
| 821 | } |
| 822 | |
| 823 | wxString message = message_file.ReadOnlyString((m_client->GetUnicodeSupport() != utf8strNone), length); |
| 824 | m_client->ProcessChatMessage(message); |
| 825 | |
| 826 | break; |
| 827 | } |
| 828 | |
| 829 | case OP_ASKSHAREDFILES: { // 0.43b (well, er, it does the same, but in our own way) |
| 830 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_ASKSHAREDFILES from ") + m_client->GetFullIP() )do {} while (false); |
| 831 | |
| 832 | // client wants to know what we have in share, let's see if we allow him to know that |
| 833 | theStats::AddDownOverheadOther(size); |
| 834 | // IP banned, no answer for this request |
| 835 | if (m_client->IsBanned()) { |
| 836 | break; |
| 837 | } |
| 838 | |
| 839 | if (thePrefs::CanSeeShares() == vsfaEverybody || (thePrefs::CanSeeShares() == vsfaFriends && m_client->IsFriend())) { |
| 840 | AddLogLineC(CFormat( _("User %s (%u) requested your sharedfiles-list -> Accepted"))theLogger.AddLogLine(L"ClientTCPSocket.cpp", 842, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your sharedfiles-list -> Accepted" ))) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 841 | % m_client->GetUserName()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 842, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your sharedfiles-list -> Accepted" ))) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 842 | % m_client->GetUserIDHybrid() )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 842, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your sharedfiles-list -> Accepted" ))) % m_client->GetUserName() % m_client->GetUserIDHybrid ()); |
| 843 | |
| 844 | std::vector<CKnownFile*> list; |
| 845 | theApp->sharedfiles->CopyFileList(list); |
| 846 | |
| 847 | CMemFile tempfile(80); |
| 848 | tempfile.WriteUInt32(list.size()); |
| 849 | for (unsigned i = 0; i < list.size(); ++i) { |
| 850 | if (!list[i]->IsLargeFile() || m_client->SupportsLargeFiles()) { |
| 851 | list[i]->CreateOfferedFilePacket(&tempfile, NULL__null, m_client); |
| 852 | } |
| 853 | } |
| 854 | |
| 855 | // create a packet and send it |
| 856 | CPacket* replypacket = new CPacket(tempfile, OP_EDONKEYPROT, OP_ASKSHAREDFILESANSWER); |
| 857 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_ASKSHAREDFILESANSWER to ") + m_client->GetFullIP() )do {} while (false); |
| 858 | theStats::AddUpOverheadOther(replypacket->GetPacketSize()); |
| 859 | SendPacket(replypacket, true, true); |
| 860 | } else { |
| 861 | AddLogLineC(CFormat( _("User %s (%u) requested your sharedfiles-list -> Denied"))theLogger.AddLogLine(L"ClientTCPSocket.cpp", 863, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your sharedfiles-list -> Denied" ))) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 862 | % m_client->GetUserName()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 863, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your sharedfiles-list -> Denied" ))) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 863 | % m_client->GetUserIDHybrid() )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 863, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your sharedfiles-list -> Denied" ))) % m_client->GetUserName() % m_client->GetUserIDHybrid ()); |
| 864 | |
| 865 | CPacket* replypacket = new CPacket(OP_ASKSHAREDDENIEDANS, 0, OP_EDONKEYPROT); |
| 866 | theStats::AddUpOverheadOther(replypacket->GetPacketSize()); |
| 867 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_ASKSHAREDDENIEDANS to ") + m_client->GetFullIP() )do {} while (false); |
| 868 | SendPacket(replypacket, true, true); |
| 869 | } |
| 870 | |
| 871 | break; |
| 872 | } |
| 873 | |
| 874 | case OP_ASKSHAREDFILESANSWER: { // 0.43b |
| 875 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_ASKSHAREDFILESANSWER from ") + m_client->GetFullIP() )do {} while (false); |
| 876 | |
| 877 | theStats::AddDownOverheadOther(size); |
| 878 | wxString EmptyStr; |
| 879 | m_client->ProcessSharedFileList(buffer, size, EmptyStr); |
| 880 | break; |
| 881 | } |
| 882 | |
| 883 | case OP_ASKSHAREDDIRS: { // 0.43b |
| 884 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_ASKSHAREDDIRS from ") + m_client->GetFullIP() )do {} while (false); |
| 885 | |
| 886 | theStats::AddDownOverheadOther(size); |
| 887 | wxASSERT( size == 0 )do { if ( size == 0 ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp", 887, __FUNCTION__, "size == 0" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 888 | // IP banned, no answer for this request |
| 889 | if (m_client->IsBanned()) { |
| 890 | break; |
| 891 | } |
| 892 | if ((thePrefs::CanSeeShares()==vsfaEverybody) || ((thePrefs::CanSeeShares()==vsfaFriends) && m_client->IsFriend())) { |
| 893 | AddLogLineC(CFormat( _("User %s (%u) requested your shareddirectories-list -> Accepted") )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 895, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your shareddirectories-list -> Accepted" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 894 | % m_client->GetUserName()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 895, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your shareddirectories-list -> Accepted" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 895 | % m_client->GetUserIDHybrid() )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 895, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your shareddirectories-list -> Accepted" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()); |
| 896 | // send the list of shared directories |
| 897 | m_client->SendSharedDirectories(); |
| 898 | } else { |
| 899 | AddLogLineC(CFormat( _("User %s (%u) requested your shareddirectories-list -> Denied") )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 901, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your shareddirectories-list -> Denied" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 900 | % m_client->GetUserName()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 901, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your shareddirectories-list -> Denied" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 901 | % m_client->GetUserIDHybrid() )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 901, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) requested your shareddirectories-list -> Denied" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()); |
| 902 | |
| 903 | CPacket* replypacket = new CPacket(OP_ASKSHAREDDENIEDANS, 0, OP_EDONKEYPROT); |
| 904 | theStats::AddUpOverheadOther(replypacket->GetPacketSize()); |
| 905 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_ASKSHAREDDENIEDANS to ") + m_client->GetFullIP() )do {} while (false); |
| 906 | SendPacket(replypacket, true, true); |
| 907 | } |
| 908 | |
| 909 | break; |
| 910 | } |
| 911 | |
| 912 | case OP_ASKSHAREDFILESDIR: { // 0.43b |
| 913 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_ASKSHAREDFILESDIR from ") + m_client->GetFullIP() )do {} while (false); |
| 914 | |
| 915 | theStats::AddDownOverheadOther(size); |
| 916 | // IP banned, no answer for this request |
| 917 | if (m_client->IsBanned()) { |
| 918 | break; |
| 919 | } |
| 920 | CMemFile data(buffer, size); |
| 921 | |
| 922 | wxString strReqDir = data.ReadString((m_client->GetUnicodeSupport() != utf8strNone)); |
| 923 | if (thePrefs::CanSeeShares()==vsfaEverybody || (thePrefs::CanSeeShares()==vsfaFriends && m_client->IsFriend())) { |
| 924 | AddLogLineC(CFormat(_("User %s (%u) requested your sharedfiles-list for directory '%s' -> accepted")) % m_client->GetUserName() % m_client->GetUserIDHybrid() % strReqDir)theLogger.AddLogLine(L"ClientTCPSocket.cpp", 924, true, logStandard , CFormat(wxGetTranslation(("User %s (%u) requested your sharedfiles-list for directory '%s' -> accepted" ))) % m_client->GetUserName() % m_client->GetUserIDHybrid () % strReqDir); |
| 925 | wxASSERT( data.GetPosition() == data.GetLength() )do { if ( data.GetPosition() == data.GetLength() ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp" , 925, __FUNCTION__, "data.GetPosition() == data.GetLength()" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 926 | // send the list of shared files for the requested directory |
| 927 | m_client->SendSharedFilesOfDirectory(strReqDir); |
| 928 | } else { |
| 929 | AddLogLineC(CFormat(_("User %s (%u) requested your sharedfiles-list for directory '%s' -> denied")) % m_client->GetUserName() % m_client->GetUserIDHybrid() % strReqDir)theLogger.AddLogLine(L"ClientTCPSocket.cpp", 929, true, logStandard , CFormat(wxGetTranslation(("User %s (%u) requested your sharedfiles-list for directory '%s' -> denied" ))) % m_client->GetUserName() % m_client->GetUserIDHybrid () % strReqDir); |
| 930 | |
| 931 | CPacket* replypacket = new CPacket(OP_ASKSHAREDDENIEDANS, 0, OP_EDONKEYPROT); |
| 932 | theStats::AddUpOverheadOther(replypacket->GetPacketSize()); |
| 933 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_ASKSHAREDDENIEDANS to ") + m_client->GetFullIP() )do {} while (false); |
| 934 | SendPacket(replypacket, true, true); |
| 935 | } |
| 936 | break; |
| 937 | } |
| 938 | |
| 939 | case OP_ASKSHAREDDIRSANS:{ // 0.43b |
| 940 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_ASKSHAREDDIRSANS from ") + m_client->GetFullIP() )do {} while (false); |
| 941 | |
| 942 | theStats::AddDownOverheadOther(size); |
| 943 | if (m_client->GetFileListRequested() == 1){ |
| 944 | CMemFile data(buffer, size); |
| 945 | uint32 uDirs = data.ReadUInt32(); |
| 946 | for (uint32 i = 0; i < uDirs; i++){ |
| 947 | wxString strDir = data.ReadString((m_client->GetUnicodeSupport() != utf8strNone)); |
| 948 | AddLogLineC(CFormat( _("User %s (%u) shares directory '%s'") )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 951, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) shares directory '%s'" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid () % strDir) |
| 949 | % m_client->GetUserName()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 951, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) shares directory '%s'" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid () % strDir) |
| 950 | % m_client->GetUserIDHybrid()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 951, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) shares directory '%s'" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid () % strDir) |
| 951 | % strDir )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 951, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) shares directory '%s'" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid () % strDir); |
| 952 | |
| 953 | CMemFile tempfile(80); |
| 954 | tempfile.WriteString(strDir, m_client->GetUnicodeSupport()); |
| 955 | CPacket* replypacket = new CPacket(tempfile, OP_EDONKEYPROT, OP_ASKSHAREDFILESDIR); |
| 956 | theStats::AddUpOverheadOther(replypacket->GetPacketSize()); |
| 957 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_ASKSHAREDFILESDIR to ") + m_client->GetFullIP() )do {} while (false); |
| 958 | SendPacket(replypacket, true, true); |
| 959 | } |
| 960 | wxASSERT( data.GetPosition() == data.GetLength() )do { if ( data.GetPosition() == data.GetLength() ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp" , 960, __FUNCTION__, "data.GetPosition() == data.GetLength()" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 961 | m_client->SetFileListRequested(uDirs); |
| 962 | } else { |
| 963 | AddLogLineC(CFormat( _("User %s (%u) sent unrequested shared dirs.") )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 965, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) sent unrequested shared dirs." )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 964 | % m_client->GetUserName()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 965, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) sent unrequested shared dirs." )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 965 | % m_client->GetUserIDHybrid() )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 965, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) sent unrequested shared dirs." )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()); |
| 966 | } |
| 967 | break; |
| 968 | } |
| 969 | |
| 970 | case OP_ASKSHAREDFILESDIRANS: { // 0.43b |
| 971 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_ASKSHAREDFILESDIRANS from ") + m_client->GetFullIP() )do {} while (false); |
| 972 | |
| 973 | theStats::AddDownOverheadOther(size); |
| 974 | CMemFile data(buffer, size); |
| 975 | wxString strDir = data.ReadString((m_client->GetUnicodeSupport() != utf8strNone)); |
| 976 | |
| 977 | if (m_client->GetFileListRequested() > 0){ |
| 978 | AddLogLineC(CFormat( _("User %s (%u) sent sharedfiles-list for directory '%s'") )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 981, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) sent sharedfiles-list for directory '%s'" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid () % strDir) |
| 979 | % m_client->GetUserName()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 981, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) sent sharedfiles-list for directory '%s'" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid () % strDir) |
| 980 | % m_client->GetUserIDHybrid()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 981, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) sent sharedfiles-list for directory '%s'" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid () % strDir) |
| 981 | % strDir )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 981, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) sent sharedfiles-list for directory '%s'" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid () % strDir); |
| 982 | |
| 983 | m_client->ProcessSharedFileList(buffer + data.GetPosition(), size - data.GetPosition(), strDir); |
| 984 | if (m_client->GetFileListRequested() == 0) { |
| 985 | AddLogLineC(CFormat( _("User %s (%u) finished sending sharedfiles-list") )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 987, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) finished sending sharedfiles-list" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 986 | % m_client->GetUserName()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 987, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) finished sending sharedfiles-list" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 987 | % m_client->GetUserIDHybrid() )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 987, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) finished sending sharedfiles-list" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()); |
| 988 | } |
| 989 | } else { |
| 990 | AddLogLineC(CFormat( _("User %s (%u) sent unwanted sharedfiles-list") )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 992, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) sent unwanted sharedfiles-list" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 991 | % m_client->GetUserName()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 992, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) sent unwanted sharedfiles-list" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 992 | % m_client->GetUserIDHybrid() )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 992, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) sent unwanted sharedfiles-list" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()); |
| 993 | } |
| 994 | break; |
| 995 | } |
| 996 | |
| 997 | case OP_ASKSHAREDDENIEDANS: |
| 998 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_ASKSHAREDDENIEDANS from ") + m_client->GetFullIP() )do {} while (false); |
| 999 | |
| 1000 | theStats::AddDownOverheadOther(size); |
| 1001 | wxASSERT( size == 0 )do { if ( size == 0 ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp", 1001, __FUNCTION__, "size == 0" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 1002 | AddLogLineC(CFormat( _("User %s (%u) denied access to shared directories/files list") )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 1004, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) denied access to shared directories/files list" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 1003 | % m_client->GetUserName()theLogger.AddLogLine(L"ClientTCPSocket.cpp", 1004, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) denied access to shared directories/files list" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()) |
| 1004 | % m_client->GetUserIDHybrid() )theLogger.AddLogLine(L"ClientTCPSocket.cpp", 1004, true, logStandard , CFormat( wxGetTranslation(("User %s (%u) denied access to shared directories/files list" )) ) % m_client->GetUserName() % m_client->GetUserIDHybrid ()); |
| 1005 | |
| 1006 | m_client->SetFileListRequested(0); |
| 1007 | break; |
| 1008 | |
| 1009 | default: |
| 1010 | theStats::AddDownOverheadOther(size); |
| 1011 | AddDebugLogLineN(logRemoteClient, CFormat(wxT("Edonkey packet: unknown opcode: %i %x from %s")) % opcode % opcode % m_client->GetFullIP())do {} while (false); |
| 1012 | return false; |
| 1013 | } |
| 1014 | |
| 1015 | return true; |
| 1016 | } |
| 1017 | |
| 1018 | |
| 1019 | bool CClientTCPSocket::ProcessExtPacket(const uint8_t* buffer, uint32 size, uint8 opcode) |
| 1020 | { |
| 1021 | #ifdef __PACKET_RECV_DUMP__ |
| 1022 | //printf("Rec: OPCODE %x \n",opcode); |
| 1023 | DumpMem(buffer,size); |
| 1024 | #endif |
| 1025 | |
| 1026 | // 0.42e - except the catches on mem exception and file exception |
| 1027 | if (!m_client) { |
| 1028 | throw wxString(wxT("Unknown clients sends extended protocol packet")L"Unknown clients sends extended protocol packet"); |
| 1029 | } |
| 1030 | /* |
| 1031 | if (!client->CheckHandshakeFinished()) { |
| 1032 | // Here comes an extended packet without finishing the handshake. |
| 1033 | // IMHO, we should disconnect the client. |
| 1034 | throw wxString(wxT("Client send extended packet before finishing handshake")); |
| 1035 | } |
| 1036 | */ |
| 1037 | switch(opcode) { |
| 1038 | case OP_MULTIPACKET_EXT: |
| 1039 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_MULTIPACKET_EXT from ") + m_client->GetFullIP())do {} while (false); |
| 1040 | /* fall through */ |
| 1041 | case OP_MULTIPACKET: { |
| 1042 | if (opcode == OP_MULTIPACKET) AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_MULTIPACKET from ") + m_client->GetFullIP() )do {} while (false); |
| 1043 | |
| 1044 | theStats::AddDownOverheadFileRequest(size); |
| 1045 | |
| 1046 | if (m_client->IsBanned()) { |
| 1047 | break; |
| 1048 | } |
| 1049 | |
| 1050 | if (!m_client->CheckHandshakeFinished()) { |
| 1051 | // Here comes an extended packet without finishing the handshake. |
| 1052 | // IMHO, we should disconnect the client. |
| 1053 | throw wxString(wxT("Client send OP_MULTIPACKET before finishing handshake")L"Client send OP_MULTIPACKET before finishing handshake"); |
| 1054 | } |
| 1055 | |
| 1056 | CMemFile data_in(buffer, size); |
| 1057 | CMD4Hash reqfilehash = data_in.ReadHash(); |
| 1058 | uint64 nSize = (opcode == OP_MULTIPACKET_EXT) ? data_in.ReadUInt64() : 0; |
| 1059 | |
| 1060 | bool file_not_found = false; |
| 1061 | CKnownFile* reqfile = theApp->sharedfiles->GetFileByID(reqfilehash); |
| 1062 | if ( reqfile == NULL__null ){ |
| 1063 | reqfile = theApp->downloadqueue->GetFileByID(reqfilehash); |
| 1064 | if ( !( reqfile != NULL__null && reqfile->GetFileSize() > PARTSIZE ) ) { |
| 1065 | AddDebugLogLineN(logRemoteClient, wxT("Remote client asked for a non-shared file"))do {} while (false); |
| 1066 | file_not_found = true; |
| 1067 | } |
| 1068 | } |
| 1069 | |
| 1070 | if (!file_not_found && reqfile->IsLargeFile() && !m_client->SupportsLargeFiles()) { |
| 1071 | AddDebugLogLineN(logRemoteClient, wxT("Remote client asked for a large file but doesn't support them"))do {} while (false); |
| 1072 | file_not_found = true; |
| 1073 | } |
| 1074 | |
| 1075 | if (!file_not_found && nSize && (reqfile->GetFileSize() != nSize)) { |
| 1076 | AddDebugLogLineN(logRemoteClient, wxT("Remote client asked for a file but specified wrong size"))do {} while (false); |
| 1077 | file_not_found = true; |
| 1078 | } |
| 1079 | |
| 1080 | if (file_not_found) { |
| 1081 | CPacket* replypacket = new CPacket(OP_FILEREQANSNOFIL, 16, OP_EDONKEYPROT); |
| 1082 | replypacket->Copy16ToDataBuffer(reqfilehash.GetHash()); |
| 1083 | theStats::AddUpOverheadFileRequest(replypacket->GetPacketSize()); |
| 1084 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_FILEREQANSNOFIL to ") + m_client->GetFullIP() )do {} while (false); |
| 1085 | SendPacket(replypacket, true); |
| 1086 | break; |
| 1087 | } |
| 1088 | |
| 1089 | if (!m_client->GetWaitStartTime()) { |
| 1090 | m_client->SetWaitStartTime(); |
| 1091 | } |
| 1092 | // if we are downloading this file, this could be a new source |
| 1093 | // no passive adding of files with only one part |
| 1094 | if (reqfile->IsPartFile() && reqfile->GetFileSize() > PARTSIZE) { |
| 1095 | if (thePrefs::GetMaxSourcePerFile() > static_cast<CPartFile*>(reqfile)->GetSourceCount()) { |
| 1096 | theApp->downloadqueue->CheckAndAddKnownSource(static_cast<CPartFile*>(reqfile), m_client); |
| 1097 | } |
| 1098 | } |
| 1099 | // check to see if this is a new file they are asking for |
| 1100 | if (m_client->GetUploadFileID() != reqfilehash) { |
| 1101 | m_client->SetCommentDirty(); |
| 1102 | } |
| 1103 | m_client->SetUploadFileID(reqfile); |
| 1104 | CMemFile data_out(128); |
| 1105 | data_out.WriteHash(reqfile->GetFileHash()); |
| 1106 | while(data_in.GetLength()-data_in.GetPosition()) { |
| 1107 | if (!m_client) { |
| 1108 | throw wxString(wxT("Client suddenly disconnected")L"Client suddenly disconnected"); |
| 1109 | } |
| 1110 | uint8 opcode_in = data_in.ReadUInt8(); |
| 1111 | switch(opcode_in) { |
| 1112 | case OP_REQUESTFILENAME: { |
| 1113 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_MULTIPACKET has OP_REQUESTFILENAME") )do {} while (false); |
| 1114 | m_client->ProcessExtendedInfo(&data_in, reqfile); |
| 1115 | data_out.WriteUInt8(OP_REQFILENAMEANSWER); |
| 1116 | |
| 1117 | // Since it's for somebody else to see, we need to send the prettified |
| 1118 | // filename, rather than the (possibly) mangled actual filename |
| 1119 | data_out.WriteString(reqfile->GetFileName().GetPrintable(), m_client->GetUnicodeSupport()); |
| 1120 | break; |
| 1121 | } |
| 1122 | case OP_AICHFILEHASHREQ: { |
| 1123 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_MULTIPACKET has OP_AICHFILEHASHANS") )do {} while (false); |
| 1124 | if (m_client->IsSupportingAICH() && reqfile->GetAICHHashset()->GetStatus() == AICH_HASHSETCOMPLETE |
| 1125 | && reqfile->GetAICHHashset()->HasValidMasterHash()) |
| 1126 | { |
| 1127 | data_out.WriteUInt8(OP_AICHFILEHASHANS); |
| 1128 | reqfile->GetAICHHashset()->GetMasterHash().Write(&data_out); |
| 1129 | } |
| 1130 | break; |
| 1131 | } |
| 1132 | case OP_SETREQFILEID: { |
| 1133 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_MULTIPACKET has OP_SETREQFILEID") )do {} while (false); |
| 1134 | data_out.WriteUInt8(OP_FILESTATUS); |
| 1135 | if (reqfile->IsPartFile()) { |
| 1136 | static_cast<CPartFile*>(reqfile)->WritePartStatus(&data_out); |
| 1137 | } else { |
| 1138 | data_out.WriteUInt16(0); |
| 1139 | } |
| 1140 | break; |
| 1141 | } |
| 1142 | //We still send the source packet separately.. |
| 1143 | //We could send it within this packet.. If agreeded, I will fix it.. |
| 1144 | case OP_REQUESTSOURCES2: |
| 1145 | case OP_REQUESTSOURCES: { |
| 1146 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_MULTIPACKET has OP_REQUESTSOURCES(2)") )do {} while (false); |
| 1147 | uint8 byRequestedVersion = 0; |
| 1148 | uint16 byRequestedOptions = 0; |
| 1149 | if (opcode_in == OP_REQUESTSOURCES2){ // SX2 requests contains additional data |
| 1150 | byRequestedVersion = data_in.ReadUInt8(); |
| 1151 | byRequestedOptions = data_in.ReadUInt16(); |
| 1152 | } |
| 1153 | |
| 1154 | //Although this shouldn't happen, it's a just in case to any Mods that mess with version numbers. |
| 1155 | |
| 1156 | if (byRequestedVersion > 0 || m_client->GetSourceExchange1Version() > 1) { |
| 1157 | uint32 dwTimePassed = ::GetTickCount() - m_client->GetLastSrcReqTime() + CONNECTION_LATENCY22050; |
| 1158 | bool bNeverAskedBefore = m_client->GetLastSrcReqTime() == 0; |
| 1159 | if( |
| 1160 | //if not complete and file is rare |
| 1161 | ( reqfile->IsPartFile() |
| 1162 | && (bNeverAskedBefore || dwTimePassed > SOURCECLIENTREASKS(((40)*60)*1000)) |
| 1163 | && static_cast<CPartFile*>(reqfile)->GetSourceCount() <= RARE_FILE50 |
| 1164 | ) || |
| 1165 | //OR if file is not rare or if file is complete |
| 1166 | ( (bNeverAskedBefore || dwTimePassed > SOURCECLIENTREASKS(((40)*60)*1000) * MINCOMMONPENALTY4) ) |
| 1167 | ) |
| 1168 | { |
| 1169 | m_client->SetLastSrcReqTime(); |
| 1170 | CPacket* tosend = reqfile->CreateSrcInfoPacket(m_client, byRequestedVersion, byRequestedOptions); |
| 1171 | if(tosend) { |
| 1172 | theStats::AddUpOverheadSourceExchange(tosend->GetPacketSize()); |
| 1173 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_ANSWERSOURCES to ") + m_client->GetFullIP() )do {} while (false); |
| 1174 | SendPacket(tosend, true); |
| 1175 | } |
| 1176 | } |
| 1177 | } |
| 1178 | break; |
| 1179 | } |
| 1180 | } |
| 1181 | |
| 1182 | } |
| 1183 | if( data_out.GetLength() > 16 ) { |
| 1184 | CPacket* reply = new CPacket(data_out, OP_EMULEPROT, OP_MULTIPACKETANSWER); |
| 1185 | theStats::AddUpOverheadFileRequest(reply->GetPacketSize()); |
| 1186 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_MULTIPACKETANSWER to ") + m_client->GetFullIP() )do {} while (false); |
| 1187 | SendPacket(reply, true); |
| 1188 | } |
| 1189 | break; |
| 1190 | } |
| 1191 | |
| 1192 | case OP_MULTIPACKETANSWER: { // 0.43b |
| 1193 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_MULTIPACKETANSWER from ") + m_client->GetFullIP() )do {} while (false); |
| 1194 | |
| 1195 | theStats::AddDownOverheadFileRequest(size); |
| 1196 | |
| 1197 | if (m_client->IsBanned()) { |
| 1198 | break; |
| 1199 | } |
| 1200 | |
| 1201 | if (m_client->GetKadPort() && m_client->GetKadVersion() > 1) { |
| 1202 | Kademlia::CKademlia::Bootstrap(wxUINT32_SWAP_ALWAYS(m_client->GetIP())((wxUint32) ( (((wxUint32) (m_client->GetIP()) & (wxUint32 ) 0x000000ffU) << 24) | (((wxUint32) (m_client->GetIP ()) & (wxUint32) 0x0000ff00U) << 8) | (((wxUint32) ( m_client->GetIP()) & (wxUint32) 0x00ff0000U) >> 8 ) | (((wxUint32) (m_client->GetIP()) & (wxUint32) 0xff000000U ) >> 24))), m_client->GetKadPort()); |
| 1203 | } |
| 1204 | |
| 1205 | if (!m_client->CheckHandshakeFinished()) { |
| 1206 | // Here comes an extended packet without finishing the handshake. |
| 1207 | // IMHO, we should disconnect the client. |
| 1208 | throw wxString(wxT("Client send OP_MULTIPACKETANSWER before finishing handshake")L"Client send OP_MULTIPACKETANSWER before finishing handshake"); |
| 1209 | } |
| 1210 | |
| 1211 | CMemFile data_in(buffer, size); |
| 1212 | CMD4Hash reqfilehash = data_in.ReadHash(); |
| 1213 | const CPartFile *reqfile = theApp->downloadqueue->GetFileByID(reqfilehash); |
| 1214 | //Make sure we are downloading this file. |
| 1215 | if ( !reqfile ) { |
| 1216 | throw wxString(wxT(" Wrong File ID: (OP_MULTIPACKETANSWER; reqfile==NULL)")L" Wrong File ID: (OP_MULTIPACKETANSWER; reqfile==NULL)"); |
| 1217 | } |
| 1218 | if ( !m_client->GetRequestFile() ) { |
| 1219 | |
| 1220 | throw wxString(wxT(" Wrong File ID: OP_MULTIPACKETANSWER; client->reqfile==NULL)")L" Wrong File ID: OP_MULTIPACKETANSWER; client->reqfile==NULL)"); |
| 1221 | } |
| 1222 | if (reqfile != m_client->GetRequestFile()) { |
| 1223 | throw wxString(wxT(" Wrong File ID: OP_MULTIPACKETANSWER; reqfile!=client->reqfile)")L" Wrong File ID: OP_MULTIPACKETANSWER; reqfile!=client->reqfile)"); |
| 1224 | } |
| 1225 | while (data_in.GetLength()-data_in.GetPosition()) { |
| 1226 | // Some of the cases down there can actually send a packet and lose the client |
| 1227 | if (!m_client) { |
| 1228 | throw wxString(wxT("Client suddenly disconnected")L"Client suddenly disconnected"); |
| 1229 | } |
| 1230 | uint8 opcode_in = data_in.ReadUInt8(); |
| 1231 | switch(opcode_in) { |
| 1232 | case OP_REQFILENAMEANSWER: { |
| 1233 | if (!m_client) { |
| 1234 | throw wxString(wxT("Client suddenly disconnected")L"Client suddenly disconnected"); |
| 1235 | } else { |
| 1236 | m_client->ProcessFileInfo(&data_in, reqfile); |
| 1237 | } |
| 1238 | break; |
| 1239 | } |
| 1240 | case OP_FILESTATUS: { |
| 1241 | if (!m_client) { |
| 1242 | throw wxString(wxT("Client suddenly disconnected")L"Client suddenly disconnected"); |
| 1243 | } else { |
| 1244 | m_client->ProcessFileStatus(false, &data_in, reqfile); |
| 1245 | } |
| 1246 | break; |
| 1247 | } |
| 1248 | case OP_AICHFILEHASHANS: { |
| 1249 | if (!m_client) { |
| 1250 | throw wxString(wxT("Client suddenly disconnected")L"Client suddenly disconnected"); |
| 1251 | } else { |
| 1252 | m_client->ProcessAICHFileHash(&data_in, reqfile); |
| 1253 | } |
| 1254 | break; |
| 1255 | } |
| 1256 | } |
| 1257 | } |
| 1258 | |
| 1259 | break; |
| 1260 | } |
| 1261 | |
| 1262 | case OP_EMULEINFO: { // 0.43b |
| 1263 | theStats::AddDownOverheadOther(size); |
| 1264 | |
| 1265 | if (!m_client->ProcessMuleInfoPacket(buffer, size)) { |
| 1266 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_EMULEINFO from ") + m_client->GetFullIP() )do {} while (false); |
| 1267 | |
| 1268 | // If it's not a OS Info packet, is an old client |
| 1269 | // start secure identification, if |
| 1270 | // - we have received eD2K and eMule info (old eMule) |
| 1271 | if (m_client->GetInfoPacketsReceived() == IP_BOTH) { |
| 1272 | m_client->InfoPacketsReceived(); |
| 1273 | } |
| 1274 | m_client->SendMuleInfoPacket(true); |
| 1275 | } else { |
| 1276 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_EMULEINFO is an OS_INFO") )do {} while (false); |
| 1277 | } |
| 1278 | break; |
| 1279 | } |
| 1280 | case OP_EMULEINFOANSWER: { // 0.43b |
| 1281 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_EMULEINFOANSWER from ") + m_client->GetFullIP() )do {} while (false); |
| 1282 | theStats::AddDownOverheadOther(size); |
| 1283 | |
| 1284 | m_client->ProcessMuleInfoPacket(buffer, size); |
| 1285 | // start secure identification, if |
| 1286 | // - we have received eD2K and eMule info (old eMule) |
| 1287 | |
| 1288 | if (m_client->GetInfoPacketsReceived() == IP_BOTH) { |
| 1289 | m_client->InfoPacketsReceived(); |
| 1290 | } |
| 1291 | |
| 1292 | break; |
| 1293 | } |
| 1294 | |
| 1295 | case OP_SECIDENTSTATE:{ // 0.43b |
| 1296 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_SECIDENTSTATE from ") + m_client->GetFullIP() )do {} while (false); |
| 1297 | |
| 1298 | if (!m_client->CheckHandshakeFinished()) { |
| 1299 | // Here comes an extended packet without finishing the handshake. |
| 1300 | // IMHO, we should disconnect the client. |
| 1301 | throw wxString(wxT("Client send OP_SECIDENTSTATE before finishing handshake")L"Client send OP_SECIDENTSTATE before finishing handshake"); |
| 1302 | } |
| 1303 | m_client->ProcessSecIdentStatePacket(buffer, size); |
| 1304 | // ProcessSecIdentStatePacket() might cause the socket to die, so check |
| 1305 | if (m_client) { |
| 1306 | int SecureIdentState = m_client->GetSecureIdentState(); |
| 1307 | if (SecureIdentState == IS_SIGNATURENEEDED) { |
| 1308 | m_client->SendSignaturePacket(); |
| 1309 | } else if (SecureIdentState == IS_KEYANDSIGNEEDED) { |
| 1310 | m_client->SendPublicKeyPacket(); |
| 1311 | // SendPublicKeyPacket() might cause the socket to die, so check |
| 1312 | if ( m_client ) { |
| 1313 | m_client->SendSignaturePacket(); |
| 1314 | } |
| 1315 | } |
| 1316 | } |
| 1317 | break; |
| 1318 | } |
| 1319 | |
| 1320 | case OP_PUBLICKEY: { // 0.43b |
| 1321 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_PUBLICKEY from ") + m_client->GetFullIP() )do {} while (false); |
| 1322 | |
| 1323 | if (m_client->IsBanned() ){ |
| 1324 | break; |
| 1325 | } |
| 1326 | |
| 1327 | if (!m_client->CheckHandshakeFinished()) { |
| 1328 | // Here comes an extended packet without finishing the handshake. |
| 1329 | // IMHO, we should disconnect the client. |
| 1330 | throw wxString(wxT("Client send OP_PUBLICKEY before finishing handshake")L"Client send OP_PUBLICKEY before finishing handshake"); |
| 1331 | } |
| 1332 | |
| 1333 | m_client->ProcessPublicKeyPacket(buffer, size); |
| 1334 | break; |
| 1335 | } |
| 1336 | case OP_SIGNATURE:{ // 0.43b |
| 1337 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_SIGNATURE from ") + m_client->GetFullIP() )do {} while (false); |
| 1338 | |
| 1339 | if (!m_client->CheckHandshakeFinished()) { |
| 1340 | // Here comes an extended packet without finishing the handshake. |
| 1341 | // IMHO, we should disconnect the client. |
| 1342 | throw wxString(wxT("Client send OP_COMPRESSEDPART before finishing handshake")L"Client send OP_COMPRESSEDPART before finishing handshake"); |
| 1343 | } |
| 1344 | |
| 1345 | m_client->ProcessSignaturePacket(buffer, size); |
| 1346 | break; |
| 1347 | } |
| 1348 | case OP_SENDINGPART_I64: |
| 1349 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_SENDINGPART_I64 from ") + m_client->GetFullIP() )do {} while (false); |
| 1350 | /* fall through */ |
| 1351 | case OP_COMPRESSEDPART_I64: |
| 1352 | if (opcode == OP_COMPRESSEDPART_I64) AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_COMPRESSEDPART_I64 from ") + m_client->GetFullIP() )do {} while (false); |
| 1353 | /* fall through */ |
| 1354 | case OP_COMPRESSEDPART: { // 0.47a |
| 1355 | if (opcode == OP_COMPRESSEDPART) AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_COMPRESSEDPART from ") + m_client->GetFullIP() )do {} while (false); |
| 1356 | |
| 1357 | if (!m_client->CheckHandshakeFinished()) { |
| 1358 | // Here comes an extended packet without finishing the handshake. |
| 1359 | // IMHO, we should disconnect the client. |
| 1360 | throw wxString(wxT("Client send OP_COMPRESSEDPART before finishing handshake")L"Client send OP_COMPRESSEDPART before finishing handshake"); |
| 1361 | } |
| 1362 | |
| 1363 | if (m_client->GetRequestFile() && !m_client->GetRequestFile()->IsStopped() && (m_client->GetRequestFile()->GetStatus()==PS_READY0 || m_client->GetRequestFile()->GetStatus()==PS_EMPTY1)) { |
| 1364 | |
| 1365 | m_client->ProcessBlockPacket(buffer, size, (opcode != OP_SENDINGPART_I64), (opcode == OP_COMPRESSEDPART_I64) || (opcode == OP_SENDINGPART_I64)); |
| 1366 | |
| 1367 | if (m_client && ( |
| 1368 | m_client->GetRequestFile()->IsStopped() || |
| 1369 | m_client->GetRequestFile()->GetStatus() == PS_PAUSED7 || |
| 1370 | m_client->GetRequestFile()->GetStatus() == PS_ERROR4)) { |
| 1371 | if (!m_client->GetSentCancelTransfer()) { |
| 1372 | CPacket* packet = new CPacket(OP_CANCELTRANSFER, 0, OP_EDONKEYPROT); |
| 1373 | theStats::AddUpOverheadFileRequest(packet->GetPacketSize()); |
| 1374 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_CANCELTRANSFER to ") + m_client->GetFullIP() )do {} while (false); |
| 1375 | m_client->SendPacket(packet,true,true); |
| 1376 | |
| 1377 | if (m_client) { |
| 1378 | m_client->SetSentCancelTransfer(1); |
| 1379 | } |
| 1380 | } |
| 1381 | |
| 1382 | if ( m_client ) { |
| 1383 | m_client->SetDownloadState(m_client->GetRequestFile()->IsStopped() ? DS_NONE : DS_ONQUEUE); |
| 1384 | } |
| 1385 | } |
| 1386 | } else { |
| 1387 | if (!m_client->GetSentCancelTransfer()) { |
| 1388 | CPacket* packet = new CPacket(OP_CANCELTRANSFER, 0, OP_EDONKEYPROT); |
| 1389 | theStats::AddUpOverheadFileRequest(packet->GetPacketSize()); |
| 1390 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_CANCELTRANSFER to ") + m_client->GetFullIP() )do {} while (false); |
| 1391 | m_client->SendPacket(packet,true,true); |
| 1392 | |
| 1393 | if ( m_client ) { |
| 1394 | m_client->SetSentCancelTransfer(1); |
| 1395 | } |
| 1396 | } |
| 1397 | |
| 1398 | if ( m_client ) { |
| 1399 | m_client->SetDownloadState((m_client->GetRequestFile()==NULL__null || m_client->GetRequestFile()->IsStopped()) ? DS_NONE : DS_ONQUEUE); |
| 1400 | } |
| 1401 | } |
| 1402 | break; |
| 1403 | } |
| 1404 | case OP_REQUESTPARTS_I64: { |
| 1405 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_REQUESTPARTS_I64 from ") + m_client->GetFullIP() )do {} while (false); |
| 1406 | |
| 1407 | theStats::AddDownOverheadFileRequest(size); |
| 1408 | |
| 1409 | m_client->ProcessRequestPartsPacket(buffer, size, true); |
| 1410 | |
| 1411 | break; |
| 1412 | } |
| 1413 | case OP_QUEUERANKING: { // 0.43b |
| 1414 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_QUEUERANKING from ") + m_client->GetFullIP() )do {} while (false); |
| 1415 | |
| 1416 | theStats::AddDownOverheadOther(size); |
| 1417 | |
| 1418 | if (!m_client->CheckHandshakeFinished()) { |
| 1419 | // Here comes an extended packet without finishing the handshake. |
| 1420 | // IMHO, we should disconnect the client. |
| 1421 | throw wxString(wxT("Client send OP_QUEUERANKING before finishing handshake")L"Client send OP_QUEUERANKING before finishing handshake"); |
| 1422 | } |
| 1423 | |
| 1424 | if (size != 12) { |
| 1425 | throw wxString(wxT("Invalid size (OP_QUEUERANKING)")L"Invalid size (OP_QUEUERANKING)"); |
| 1426 | } |
| 1427 | |
| 1428 | uint16 newrank = PeekUInt16(buffer); |
| 1429 | m_client->SetRemoteQueueFull(false); |
| 1430 | m_client->SetRemoteQueueRank(newrank); |
| 1431 | break; |
| 1432 | } |
| 1433 | case OP_REQUESTSOURCES2: |
| 1434 | case OP_REQUESTSOURCES:{ |
| 1435 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_REQUESTSOURCES from ") + m_client->GetFullIP() )do {} while (false); |
| 1436 | |
| 1437 | theStats::AddDownOverheadSourceExchange(size); |
| 1438 | |
| 1439 | if (!m_client->CheckHandshakeFinished()) { |
| 1440 | // Here comes an extended packet without finishing the handshake. |
| 1441 | // IMHO, we should disconnect the client. |
| 1442 | throw wxString(wxT("Client send OP_REQUESTSOURCES before finishing handshake")L"Client send OP_REQUESTSOURCES before finishing handshake"); |
| 1443 | } |
| 1444 | |
| 1445 | uint8 byRequestedVersion = 0; |
| 1446 | uint16 byRequestedOptions = 0; |
| 1447 | CMemFile data_in(buffer, size); |
| 1448 | if (opcode == OP_REQUESTSOURCES2){ // SX2 requests contains additional data |
| 1449 | byRequestedVersion = data_in.ReadUInt8(); |
| 1450 | byRequestedOptions = data_in.ReadUInt16(); |
| 1451 | } |
| 1452 | |
| 1453 | if (byRequestedVersion > 0 || m_client->GetSourceExchange1Version() >= 1) { |
| 1454 | if(size != 16) { |
| 1455 | throw wxString(wxT("Invalid size (OP_QUEUERANKING)")L"Invalid size (OP_QUEUERANKING)"); |
| 1456 | } |
| 1457 | //first check shared file list, then download list |
| 1458 | const CMD4Hash fileID(buffer); |
| 1459 | CKnownFile* file = theApp->sharedfiles->GetFileByID(fileID); |
| 1460 | if(!file) { |
| 1461 | file = theApp->downloadqueue->GetFileByID(fileID); |
| 1462 | } |
| 1463 | if(file) { |
| 1464 | // There are some clients which do not follow the correct protocol procedure of sending |
| 1465 | // the sequence OP_REQUESTFILENAME, OP_SETREQFILEID, OP_REQUESTSOURCES. If those clients |
| 1466 | // are doing this, they will not get the optimal set of sources which we could offer if |
| 1467 | // they would follow the above noted protocol sequence. They better do it the right way |
| 1468 | // or they will get just a random set of sources because we do not know their download |
| 1469 | // part status which may get cleared with the call of 'SetUploadFileID'. |
| 1470 | m_client->SetUploadFileID(file); |
| 1471 | |
| 1472 | uint32 dwTimePassed = ::GetTickCount() - m_client->GetLastSrcReqTime() + CONNECTION_LATENCY22050; |
| 1473 | bool bNeverAskedBefore = m_client->GetLastSrcReqTime() == 0; |
| 1474 | if( |
| 1475 | //if not complete and file is rare, allow once every 40 minutes |
| 1476 | ( file->IsPartFile() && |
| 1477 | static_cast<CPartFile*>(file)->GetSourceCount() <= RARE_FILE50 && |
| 1478 | (bNeverAskedBefore || dwTimePassed > SOURCECLIENTREASKS(((40)*60)*1000)) |
| 1479 | ) || |
| 1480 | //OR if file is not rare or if file is complete, allow every 90 minutes |
| 1481 | ( (bNeverAskedBefore || dwTimePassed > SOURCECLIENTREASKS(((40)*60)*1000) * MINCOMMONPENALTY4) ) |
| 1482 | ) |
| 1483 | { |
| 1484 | m_client->SetLastSrcReqTime(); |
| 1485 | CPacket* tosend = file->CreateSrcInfoPacket(m_client, byRequestedVersion, byRequestedOptions); |
| 1486 | if(tosend) { |
| 1487 | theStats::AddUpOverheadSourceExchange(tosend->GetPacketSize()); |
| 1488 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_ANSWERSOURCES to ") + m_client->GetFullIP() )do {} while (false); |
| 1489 | SendPacket(tosend, true, true); |
| 1490 | } |
| 1491 | } |
| 1492 | } |
| 1493 | } |
| 1494 | break; |
| 1495 | } |
| 1496 | case OP_ANSWERSOURCES: { |
| 1497 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_ANSWERSOURCES from ") + m_client->GetFullIP() )do {} while (false); |
| 1498 | |
| 1499 | theStats::AddDownOverheadSourceExchange(size); |
| 1500 | |
| 1501 | if (!m_client->CheckHandshakeFinished()) { |
| 1502 | // Here comes an extended packet without finishing the handshake. |
| 1503 | // IMHO, we should disconnect the client. |
| 1504 | throw wxString(wxT("Client send OP_ANSWERSOURCES before finishing handshake")L"Client send OP_ANSWERSOURCES before finishing handshake"); |
| 1505 | } |
| 1506 | |
| 1507 | CMemFile data(buffer, size); |
| 1508 | CMD4Hash hash = data.ReadHash(); |
| 1509 | CKnownFile* file = theApp->downloadqueue->GetFileByID(hash); |
| 1510 | if(file){ |
| 1511 | if (file->IsPartFile()){ |
| 1512 | //set the client's answer time |
| 1513 | m_client->SetLastSrcAnswerTime(); |
| 1514 | //and set the file's last answer time |
| 1515 | static_cast<CPartFile*>(file)->SetLastAnsweredTime(); |
| 1516 | static_cast<CPartFile*>(file)->AddClientSources(&data, SF_SOURCE_EXCHANGE, m_client->GetSourceExchange1Version(), false, m_client); |
| 1517 | } |
| 1518 | } |
| 1519 | break; |
| 1520 | } |
| 1521 | case OP_ANSWERSOURCES2: { |
| 1522 | //printf("Received OP_ANSWERSOURCES2\n"); |
| 1523 | theStats::AddDownOverheadSourceExchange(size); |
| 1524 | |
| 1525 | if (!m_client->CheckHandshakeFinished()) { |
| 1526 | // Here comes an extended packet without finishing the handshake. |
| 1527 | // IMHO, we should disconnect the client. |
| 1528 | throw wxString(wxT("Client send OP_ANSWERSOURCES2 before finishing handshake")L"Client send OP_ANSWERSOURCES2 before finishing handshake"); |
| 1529 | } |
| 1530 | |
| 1531 | CMemFile data(buffer, size); |
| 1532 | uint8 byVersion = data.ReadUInt8(); |
| 1533 | CMD4Hash hash = data.ReadHash(); |
| 1534 | CKnownFile* file = theApp->downloadqueue->GetFileByID(hash); |
| 1535 | if (file){ |
| 1536 | if (file->IsPartFile()){ |
| 1537 | //set the client's answer time |
| 1538 | m_client->SetLastSrcAnswerTime(); |
| 1539 | //and set the file's last answer time |
| 1540 | static_cast<CPartFile*>(file)->SetLastAnsweredTime(); |
| 1541 | static_cast<CPartFile*>(file)->AddClientSources(&data, SF_SOURCE_EXCHANGE, byVersion, true, m_client); |
| 1542 | } |
| 1543 | } |
| 1544 | break; |
| 1545 | } |
| 1546 | case OP_FILEDESC: { // 0.43b |
| 1547 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_FILEDESC from ") + m_client->GetFullIP() )do {} while (false); |
| 1548 | |
| 1549 | theStats::AddDownOverheadFileRequest(size); |
| 1550 | |
| 1551 | if (!m_client->CheckHandshakeFinished()) { |
| 1552 | // Here comes an extended packet without finishing the handshake. |
| 1553 | // IMHO, we should disconnect the client. |
| 1554 | throw wxString(wxT("Client send OP_FILEDESC before finishing handshake")L"Client send OP_FILEDESC before finishing handshake"); |
| 1555 | } |
| 1556 | |
| 1557 | m_client->ProcessMuleCommentPacket(buffer, size); |
| 1558 | break; |
| 1559 | } |
| 1560 | |
| 1561 | // Unsupported |
| 1562 | case OP_REQUESTPREVIEW: { |
| 1563 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_REQUESTPREVIEW from ") + m_client->GetFullIP() )do {} while (false); |
| 1564 | break; |
| 1565 | } |
| 1566 | // Unsupported |
| 1567 | case OP_PREVIEWANSWER: { |
| 1568 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_PREVIEWANSWER from ") + m_client->GetFullIP() )do {} while (false); |
| 1569 | break; |
| 1570 | } |
| 1571 | |
| 1572 | case OP_PUBLICIP_ANSWER: { |
| 1573 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_PUBLICIP_ANSWER from ") + m_client->GetFullIP() )do {} while (false); |
| 1574 | theStats::AddDownOverheadOther(size); |
| 1575 | m_client->ProcessPublicIPAnswer(buffer, size); |
| 1576 | break; |
| 1577 | } |
| 1578 | case OP_PUBLICIP_REQ: { |
| 1579 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_PUBLICIP_REQ from ") + m_client->GetFullIP() )do {} while (false); |
| 1580 | theStats::AddDownOverheadOther(size); |
| 1581 | CPacket* pPacket = new CPacket(OP_PUBLICIP_ANSWER, 4, OP_EMULEPROT); |
| 1582 | pPacket->CopyUInt32ToDataBuffer(m_client->GetIP()); |
| 1583 | theStats::AddUpOverheadOther(pPacket->GetPacketSize()); |
| 1584 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_PUBLICIP_ANSWER to") + m_client->GetFullIP())do {} while (false); |
| 1585 | SendPacket(pPacket); |
| 1586 | break; |
| 1587 | } |
| 1588 | case OP_AICHANSWER: { |
| 1589 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_AICHANSWER from ") + m_client->GetFullIP() )do {} while (false); |
| 1590 | theStats::AddDownOverheadOther(size); |
| 1591 | m_client->ProcessAICHAnswer(buffer, size); |
| 1592 | break; |
| 1593 | } |
| 1594 | case OP_AICHREQUEST: { |
| 1595 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_AICHREQUEST from ") + m_client->GetFullIP() )do {} while (false); |
| 1596 | theStats::AddDownOverheadOther(size); |
| 1597 | m_client->ProcessAICHRequest(buffer, size); |
| 1598 | break; |
| 1599 | } |
| 1600 | case OP_AICHFILEHASHANS: { |
| 1601 | // those should not be received normally, since we should only get those in MULTIPACKET |
| 1602 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_AICHFILEHASHANS from ") + m_client->GetFullIP() )do {} while (false); |
| 1603 | theStats::AddDownOverheadOther(size); |
| 1604 | CMemFile data(buffer, size); |
| 1605 | m_client->ProcessAICHFileHash(&data, NULL__null); |
| 1606 | break; |
| 1607 | } |
| 1608 | case OP_AICHFILEHASHREQ: { |
| 1609 | // those should not be received normally, since we should only get those in MULTIPACKET |
| 1610 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_AICHFILEHASHREQ from ") + m_client->GetFullIP() )do {} while (false); |
| 1611 | CMemFile data(buffer, size); |
| 1612 | CMD4Hash hash = data.ReadHash(); |
| 1613 | CKnownFile* pPartFile = theApp->sharedfiles->GetFileByID(hash); |
| 1614 | if (pPartFile == NULL__null){ |
| 1615 | break; |
| 1616 | } |
| 1617 | |
| 1618 | if (m_client->IsSupportingAICH() && pPartFile->GetAICHHashset()->GetStatus() == AICH_HASHSETCOMPLETE |
| 1619 | && pPartFile->GetAICHHashset()->HasValidMasterHash()) { |
| 1620 | CMemFile data_out; |
| 1621 | data_out.WriteHash(hash); |
| 1622 | pPartFile->GetAICHHashset()->GetMasterHash().Write(&data_out); |
| 1623 | CPacket* packet = new CPacket(data_out, OP_EMULEPROT, OP_AICHFILEHASHANS); |
| 1624 | theStats::AddUpOverheadOther(packet->GetPacketSize()); |
| 1625 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_AICHFILEHASHANS to") + m_client->GetFullIP())do {} while (false); |
| 1626 | SendPacket(packet); |
| 1627 | } |
| 1628 | break; |
| 1629 | } |
| 1630 | case OP_CALLBACK: { |
| 1631 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_CALLBACK from ") + m_client->GetFullIP() )do {} while (false); |
| 1632 | theStats::AddDownOverheadFileRequest(size); |
| 1633 | if(!Kademlia::CKademlia::IsRunning()) { |
| 1634 | break; |
| 1635 | } |
| 1636 | CMemFile data(buffer, size); |
| 1637 | CUInt128 check = data.ReadUInt128(); |
| 1638 | check ^= Kademlia::CUInt128(true); |
| 1639 | if (check != Kademlia::CKademlia::GetPrefs()->GetKadID()) { |
| 1640 | break; |
| 1641 | } |
| 1642 | CUInt128 fileid = data.ReadUInt128(); |
| 1643 | uint8_t fileid2[16]; |
| 1644 | fileid.ToByteArray(fileid2); |
| 1645 | const CMD4Hash fileHash(fileid2); |
| 1646 | if (theApp->sharedfiles->GetFileByID(fileHash) == NULL__null) { |
| 1647 | if (theApp->downloadqueue->GetFileByID(fileHash) == NULL__null) { |
| 1648 | break; |
| 1649 | } |
| 1650 | } |
| 1651 | |
| 1652 | uint32 ip = data.ReadUInt32(); |
| 1653 | uint16 tcp = data.ReadUInt16(); |
| 1654 | CUpDownClient* callback; |
| 1655 | callback = theApp->clientlist->FindClientByIP(wxUINT32_SWAP_ALWAYS(ip)((wxUint32) ( (((wxUint32) (ip) & (wxUint32) 0x000000ffU) << 24) | (((wxUint32) (ip) & (wxUint32) 0x0000ff00U ) << 8) | (((wxUint32) (ip) & (wxUint32) 0x00ff0000U ) >> 8) | (((wxUint32) (ip) & (wxUint32) 0xff000000U ) >> 24))), tcp); |
| 1656 | if( callback == NULL__null ) { |
| 1657 | //#warning Do we actually have to check friend status here? |
| 1658 | callback = new CUpDownClient(tcp,ip,0,0,NULL__null,false, false); |
| 1659 | theApp->clientlist->AddClient(callback); |
| 1660 | } |
| 1661 | callback->TryToConnect(true); |
| 1662 | break; |
| 1663 | } |
| 1664 | |
| 1665 | case OP_BUDDYPING: { |
| 1666 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_BUDDYPING from ") + m_client->GetFullIP() )do {} while (false); |
| 1667 | theStats::AddDownOverheadKad(size); |
| 1668 | |
| 1669 | CUpDownClient* buddy = theApp->clientlist->GetBuddy(); |
| 1670 | if( buddy != m_client || m_client->GetKadVersion() == 0 || !m_client->AllowIncomeingBuddyPingPong() ) { |
| 1671 | //This ping was not from our buddy or wrong version or packet sent to fast. Ignore |
| 1672 | break; |
| 1673 | } |
| 1674 | |
| 1675 | m_client->SetLastBuddyPingPongTime(); |
| 1676 | CPacket* replypacket = new CPacket(OP_BUDDYPONG, 0, OP_EMULEPROT); |
| 1677 | theStats::AddUpOverheadKad(replypacket->GetPacketSize()); |
| 1678 | AddDebugLogLineN(logLocalClient,wxT("Local Client: OP_BUDDYPONG to ") + m_client->GetFullIP())do {} while (false); |
| 1679 | SendPacket(replypacket); |
| 1680 | break; |
| 1681 | } |
| 1682 | case OP_BUDDYPONG: { |
| 1683 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_BUDDYPONG from ") + m_client->GetFullIP() )do {} while (false); |
| 1684 | theStats::AddDownOverheadKad(size); |
| 1685 | |
| 1686 | CUpDownClient* buddy = theApp->clientlist->GetBuddy(); |
| 1687 | if( buddy != m_client || m_client->GetKadVersion() == 0 ) { |
| 1688 | //This pong was not from our buddy or wrong version. Ignore |
| 1689 | break; |
| 1690 | } |
| 1691 | m_client->SetLastBuddyPingPongTime(); |
| 1692 | //All this is for is to reset our socket timeout. |
| 1693 | break; |
| 1694 | } |
| 1695 | case OP_REASKCALLBACKTCP: { |
| 1696 | theStats::AddDownOverheadFileRequest(size); |
| 1697 | CUpDownClient* buddy = theApp->clientlist->GetBuddy(); |
| 1698 | if (buddy != m_client) { |
| 1699 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_REASKCALLBACKTCP from ") + m_client->GetFullIP() + wxT(" which is not our buddy!") )do {} while (false); |
| 1700 | //This callback was not from our buddy.. Ignore. |
| 1701 | break; |
| 1702 | } |
| 1703 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: OP_REASKCALLBACKTCP from ") + m_client->GetFullIP() )do {} while (false); |
| 1704 | CMemFile data_in(buffer, size); |
| 1705 | uint32 destip = data_in.ReadUInt32(); |
| 1706 | uint16 destport = data_in.ReadUInt16(); |
| 1707 | CMD4Hash hash = data_in.ReadHash(); |
| 1708 | CKnownFile* reqfile = theApp->sharedfiles->GetFileByID(hash); |
| 1709 | |
| 1710 | bool bSenderMultipleIpUnknown = false; |
| 1711 | CUpDownClient* sender = theApp->uploadqueue->GetWaitingClientByIP_UDP(destip, destport, true, &bSenderMultipleIpUnknown); |
| 1712 | if (!reqfile) { |
| 1713 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_FILENOTFOUND to ") + m_client->GetFullIP() )do {} while (false); |
| 1714 | CPacket* response = new CPacket(OP_FILENOTFOUND,0,OP_EMULEPROT); |
| 1715 | theStats::AddUpOverheadFileRequest(response->GetPacketSize()); |
| 1716 | if (sender) { |
| 1717 | theApp->clientudp->SendPacket(response, destip, destport, sender->ShouldReceiveCryptUDPPackets(), sender->GetUserHash().GetHash(), false, 0); |
| 1718 | } else { |
| 1719 | theApp->clientudp->SendPacket(response, destip, destport, false, NULL__null, false, 0); |
| 1720 | } |
| 1721 | break; |
| 1722 | } |
| 1723 | |
| 1724 | if (sender) { |
| 1725 | //Make sure we are still thinking about the same file |
| 1726 | if (hash == sender->GetUploadFileID()) { |
| 1727 | sender->AddAskedCount(); |
| 1728 | sender->SetLastUpRequest(); |
| 1729 | //I messed up when I first added extended info to UDP |
| 1730 | //I should have originally used the entire ProcessExtenedInfo the first time. |
| 1731 | //So now I am forced to check UDPVersion to see if we are sending all the extended info. |
| 1732 | //For now on, we should not have to change anything here if we change |
| 1733 | //anything to the extended info data as this will be taken care of in ProcessExtendedInfo() |
| 1734 | //Update extended info. |
| 1735 | if (sender->GetUDPVersion() > 3) { |
| 1736 | sender->ProcessExtendedInfo(&data_in, reqfile); |
| 1737 | } else if (sender->GetUDPVersion() > 2) { |
| 1738 | //Update our complete source counts. |
| 1739 | uint16 nCompleteCountLast= sender->GetUpCompleteSourcesCount(); |
| 1740 | uint16 nCompleteCountNew = data_in.ReadUInt16(); |
| 1741 | sender->SetUpCompleteSourcesCount(nCompleteCountNew); |
| 1742 | if (nCompleteCountLast != nCompleteCountNew) { |
| 1743 | reqfile->UpdatePartsInfo(); |
| 1744 | } |
| 1745 | } |
| 1746 | |
| 1747 | CMemFile data_out(128); |
| 1748 | if(sender->GetUDPVersion() > 3) { |
| 1749 | if (reqfile->IsPartFile()) { |
| 1750 | static_cast<CPartFile*>(reqfile)->WritePartStatus(&data_out); |
| 1751 | } else { |
| 1752 | data_out.WriteUInt16(0); |
| 1753 | } |
| 1754 | } |
| 1755 | |
| 1756 | data_out.WriteUInt16(sender->GetUploadQueueWaitingPosition()); |
| 1757 | CPacket* response = new CPacket(data_out, OP_EMULEPROT, OP_REASKACK); |
| 1758 | theStats::AddUpOverheadFileRequest(response->GetPacketSize()); |
| 1759 | AddDebugLogLineN( logLocalClient, wxT("Local Client UDP: OP_REASKACK to ") + m_client->GetFullIP() )do {} while (false); |
| 1760 | theApp->clientudp->SendPacket(response, destip, destport, sender->ShouldReceiveCryptUDPPackets(), sender->GetUserHash().GetHash(), false, 0); |
| 1761 | } else { |
| 1762 | AddDebugLogLineN(logListenSocket, wxT("Client UDP socket; OP_REASKCALLBACKTCP; reqfile does not match"))do {} while (false); |
| 1763 | } |
| 1764 | } else { |
| 1765 | if (!bSenderMultipleIpUnknown){ |
| 1766 | if ((theStats::GetWaitingUserCount() + 50) > thePrefs::GetQueueSize()) { |
| 1767 | AddDebugLogLineN( logLocalClient, wxT("Local Client: OP_QUEUEFULL to ") + m_client->GetFullIP() )do {} while (false); |
| 1768 | CPacket* response = new CPacket(OP_QUEUEFULL,0,OP_EMULEPROT); |
| 1769 | theStats::AddUpOverheadFileRequest(response->GetPacketSize()); |
| 1770 | theApp->clientudp->SendPacket(response, destip, destport, false, NULL__null, false, 0); |
| 1771 | } |
| 1772 | } else { |
| 1773 | AddDebugLogLineN(logRemoteClient, CFormat(wxT("OP_REASKCALLBACKTCP Packet received - multiple clients with the same IP but different UDP port found. Possible UDP Portmapping problem, enforcing TCP connection. IP: %s, Port: %u")) % Uint32toStringIP(destip) % destport)do {} while (false); |
| 1774 | } |
| 1775 | } |
| 1776 | break; |
| 1777 | } |
| 1778 | case OP_CHATCAPTCHAREQ: |
| 1779 | { |
| 1780 | AddDebugLogLineN(logRemoteClient, wxT("Remote Client: OP_CHATCAPTCHAREQ from ") + m_client->GetFullIP())do {} while (false); |
| 1781 | theStats::AddDownOverheadOther(size); |
| 1782 | CMemFile data_in(buffer, size); |
| 1783 | m_client->ProcessCaptchaRequest(&data_in); |
| 1784 | break; |
| 1785 | } |
| 1786 | case OP_CHATCAPTCHARES: |
| 1787 | { |
| 1788 | AddDebugLogLineN(logRemoteClient, wxT("Remote Client: OP_CHATCAPTCHARES from ") + m_client->GetFullIP())do {} while (false); |
| 1789 | theStats::AddDownOverheadOther(size); |
| 1790 | if (size) { |
| 1791 | m_client->ProcessCaptchaReqRes(buffer[0]); |
| 1792 | } |
| 1793 | break; |
| 1794 | } |
| 1795 | case OP_FWCHECKUDPREQ: { // Support required for Kadversion >= 6 |
| 1796 | AddDebugLogLineN(logRemoteClient, wxT("Remote Client: OP_FWCHECKUDPREQ from ") + m_client->GetFullIP())do {} while (false); |
| 1797 | theStats::AddDownOverheadOther(size); |
| 1798 | CMemFile data_in(buffer, size); |
| 1799 | m_client->ProcessFirewallCheckUDPRequest(&data_in); |
| 1800 | break; |
| 1801 | } |
| 1802 | case OP_KAD_FWTCPCHECK_ACK: { // Support required for Kadversion >= 7 |
| 1803 | AddDebugLogLineN(logRemoteClient, wxT("Remote Client: OP_KAD_FWTCPCHECK_ACK from ") + m_client->GetFullIP())do {} while (false); |
| 1804 | if (theApp->clientlist->IsKadFirewallCheckIP(m_client->GetIP())) { |
| 1805 | if (Kademlia::CKademlia::IsRunning()) { |
| 1806 | Kademlia::CKademlia::GetPrefs()->IncFirewalled(); |
| 1807 | } |
| 1808 | } else { |
| 1809 | AddDebugLogLineN(logListenSocket, wxT("Received unrequested OP_KAD_FWTCPCHECK_ACK packet from ") + m_client->GetFullIP())do {} while (false); |
| 1810 | } |
| 1811 | break; |
| 1812 | } |
| 1813 | default: |
| 1814 | theStats::AddDownOverheadOther(size); |
| 1815 | AddDebugLogLineN(logRemoteClient, CFormat(wxT("eMule packet : unknown opcode: %i %x from %s")) % opcode % opcode % m_client->GetFullIP())do {} while (false); |
| 1816 | break; |
| 1817 | } |
| 1818 | |
| 1819 | return true; |
| 1820 | } |
| 1821 | |
| 1822 | bool CClientTCPSocket::ProcessED2Kv2Packet(const uint8_t* buffer, uint32 size, uint8 opcode) |
| 1823 | { |
| 1824 | #ifdef __PACKET_RECV_DUMP__ |
| 1825 | //printf("Rec: OPCODE %x ED2Kv2\n",opcode); |
| 1826 | DumpMem(buffer,size); |
| 1827 | #endif |
| 1828 | |
| 1829 | if (!m_client) { |
| 1830 | throw wxString(wxT("Unknown clients sends extended ED2Kv2 protocol packet")L"Unknown clients sends extended ED2Kv2 protocol packet"); |
| 1831 | } |
| 1832 | |
| 1833 | CMemFile data(buffer, size); |
| 1834 | try { |
| 1835 | switch(opcode) { |
| 1836 | case OP_QUEUERANK: { |
| 1837 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: ED2Kv2 OP_QUEUERANK from ") + m_client->GetFullIP() )do {} while (false); |
| 1838 | |
| 1839 | uint8 numtags = data.ReadUInt8(); |
| 1840 | wxASSERT(numtags == 1)do { if ( numtags == 1 ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp", 1840, __FUNCTION__, "numtags == 1" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 1841 | if(numtags){} // prevent GCC warning |
| 1842 | |
| 1843 | m_client->SetRemoteQueueRank(data.GetIntTagValue()); |
| 1844 | |
| 1845 | theStats::AddDownOverheadFileRequest(size); |
| 1846 | break; |
| 1847 | } |
| 1848 | |
| 1849 | case OP_REQUESTPARTS: { |
| 1850 | AddDebugLogLineN( logRemoteClient, wxT("Remote Client: ED2Kv2 OP_REQUESTPARTS from ") + m_client->GetFullIP() )do {} while (false); |
| 1851 | |
| 1852 | m_client->ProcessRequestPartsPacketv2(data); |
| 1853 | |
| 1854 | theStats::AddDownOverheadFileRequest(size); |
| 1855 | break; |
| 1856 | } |
| 1857 | |
| 1858 | default: |
| 1859 | theStats::AddDownOverheadOther(size); |
| 1860 | AddDebugLogLineN(logRemoteClient, CFormat(wxT("ED2Kv2 packet : unknown opcode: %i %x from %s")) % opcode % opcode % m_client->GetFullIP())do {} while (false); |
| 1861 | } |
| 1862 | } catch (...) { |
| 1863 | AddDebugLogLineN(logRemoteClient, CFormat(wxT("ED2Kv2 packet is corrupt at pos %i! opcode: %i %x from %s")) % data.GetPosition() % opcode % opcode % m_client->GetFullIP())do {} while (false); |
| 1864 | throw; |
| 1865 | } |
| 1866 | |
| 1867 | return true; |
| 1868 | } |
| 1869 | |
| 1870 | void CClientTCPSocket::OnConnect(int nErrorCode) |
| 1871 | { |
| 1872 | if (nErrorCode) { |
| 1873 | OnError(nErrorCode); |
| 1874 | } else if (!m_client) { |
| 1875 | // and now? Disconnect? not? |
| 1876 | AddDebugLogLineN( logClient, wxT("Couldn't send hello packet (Client deleted!)") )do {} while (false); |
| 1877 | } else if (!m_client->SendHelloPacket()) { |
| 1878 | // and now? Disconnect? not? |
| 1879 | AddDebugLogLineN( logClient, wxT("Couldn't send hello packet (Client deleted by SendHelloPacket!)") )do {} while (false); |
| 1880 | } else { |
| 1881 | ResetTimeOutTimer(); |
| 1882 | } |
| 1883 | } |
| 1884 | |
| 1885 | |
| 1886 | void CClientTCPSocket::OnSend(int nErrorCode) |
| 1887 | { |
| 1888 | ResetTimeOutTimer(); |
| 1889 | CEMSocket::OnSend(nErrorCode); |
| 1890 | } |
| 1891 | |
| 1892 | |
| 1893 | void CClientTCPSocket::OnReceive(int nErrorCode) |
| 1894 | { |
| 1895 | ResetTimeOutTimer(); |
| 1896 | // We might have updated ipfilter |
| 1897 | wxASSERT(m_remoteip)do { if ( m_remoteip ) { } else if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp", 1897, __FUNCTION__, "m_remoteip" , (const char*)__null), wxTrapInAssert) ) { wxTrapInAssert = false ; asm volatile ("int $3"); } } while ( (void)0, 0 ); |
| 1898 | |
| 1899 | if (theApp->ipfilter->IsFiltered(m_remoteip)) { |
| 1900 | if (m_client) { |
| 1901 | m_client->Safe_Delete(); |
| 1902 | } |
| 1903 | Safe_Delete(); |
| 1904 | AddDebugLogLineN( logIPFilter, wxT("A connected client was dropped by IPFilter on new packet received"))do {} while (false); |
| 1905 | } else { |
| 1906 | CEMSocket::OnReceive(nErrorCode); |
| 1907 | } |
| 1908 | } |
| 1909 | |
| 1910 | |
| 1911 | void CClientTCPSocket::OnError(int nErrorCode) |
| 1912 | { |
| 1913 | //printf("* Called OnError for %p\n",this); |
| 1914 | // 0.42e + Kry changes for handling of socket lost events |
| 1915 | wxString strError; |
| 1916 | |
| 1917 | if ((nErrorCode == 0) || (nErrorCode == 7) || (nErrorCode == 0xFEFF)) { |
| 1918 | if (m_client) { |
| 1919 | if (!m_client->GetUserName().IsEmpty()) { |
| 1920 | strError = wxT("Client '")L"Client '" + m_client->GetUserName() + wxT("'")L"'"; |
| 1921 | } else { |
| 1922 | strError = wxT("An unnamed client")L"An unnamed client"; |
| 1923 | } |
| 1924 | strError += wxT(" (IP:")L" (IP:" + m_client->GetFullIP() + wxT(") ")L") "; |
| 1925 | } else { |
| 1926 | strError = wxT("A client ")L"A client "; |
| 1927 | } |
| 1928 | if (nErrorCode == 0) { |
| 1929 | strError += wxT("closed connection.")L"closed connection."; |
| 1930 | } else if (nErrorCode == 0xFEFF) { |
| 1931 | strError += wxT(" caused a wxSOCKET_LOST event.")L" caused a wxSOCKET_LOST event."; |
| 1932 | } else { |
| 1933 | strError += wxT("caused a socket blocking error.")L"caused a socket blocking error."; |
| 1934 | } |
| 1935 | } else { |
| 1936 | if (theLogger.IsEnabled(logClient) && nErrorCode != 107) { |
| 1937 | // 0 -> No Error / Disconnect |
| 1938 | // 107 -> Transport endpoint is not connected |
| 1939 | if (m_client) { |
| 1940 | if (!m_client->GetUserName().IsEmpty()) { |
| 1941 | strError = CFormat(wxT("OnError: Client '%s' (IP:%s) caused an error: %u. Disconnecting client!")L"OnError: Client '%s' (IP:%s) caused an error: %u. Disconnecting client!") |
| 1942 | % m_client->GetUserName() % m_client->GetFullIP() % nErrorCode; |
| 1943 | } else { |
| 1944 | strError = CFormat(wxT("OnError: Unknown client (IP:%s) caused an error: %u. Disconnecting client!")L"OnError: Unknown client (IP:%s) caused an error: %u. Disconnecting client!") |
| 1945 | % m_client->GetFullIP() % nErrorCode; |
| 1946 | } |
| 1947 | } else { |
| 1948 | strError = CFormat(wxT("OnError: A client caused an error or did something bad (error %u). Disconnecting client !")L"OnError: A client caused an error or did something bad (error %u). Disconnecting client !") |
| 1949 | % nErrorCode; |
| 1950 | } |
| 1951 | } else { |
| 1952 | strError = wxT("Error 107 (Transport endpoint is not connected)")L"Error 107 (Transport endpoint is not connected)"; |
| 1953 | } |
| 1954 | } |
| 1955 | |
| 1956 | Disconnect(strError); |
| 1957 | } |
| 1958 | |
| 1959 | |
| 1960 | bool CClientTCPSocket::PacketReceived(CPacket* packet) |
| 1961 | { |
| 1962 | // 0.42e |
| 1963 | bool bResult = false; |
| 1964 | uint32 uRawSize = packet->GetPacketSize(); |
| 1965 | |
| 1966 | AddDebugLogLineN( logRemoteClient,do {} while (false) |
| 1967 | CFormat(wxT("Packet with protocol %x, opcode %x, size %u received from %s"))do {} while (false) |
| 1968 | % packet->GetProtocol()do {} while (false) |
| 1969 | % packet->GetOpCode()do {} while (false) |
| 1970 | % packet->GetPacketSize()do {} while (false) |
| 1971 | % ( m_client ? m_client->GetFullIP() : wxT("Unknown Client") )do {} while (false) |
| 1972 | )do {} while (false); |
| 1973 | |
| 1974 | wxString exception; |
| 1975 | |
| 1976 | try { |
| 1977 | bool process = true; |
| 1978 | |
| 1979 | if ((packet->GetProtocol() == OP_PACKEDPROT) || |
| 1980 | (packet->GetProtocol() == OP_ED2KV2PACKEDPROT)) { |
| 1981 | |
| 1982 | if (!packet->UnPackPacket()) { |
| 1983 | AddDebugLogLineN(logZLib, wxT("Failed to decompress client TCP packet."))do {} while (false); |
| 1984 | bResult = false; |
| 1985 | process = false; |
| 1986 | } else { |
| 1987 | AddDebugLogLineN(logRemoteClient, CFormat(wxT("Packet unpacked, new protocol %x, opcode %x, size %u"))do {} while (false) |
| 1988 | % packet->GetProtocol() % packet->GetOpCode() % packet->GetPacketSize())do {} while (false); |
| 1989 | } |
| 1990 | } |
| 1991 | |
| 1992 | if (process) { |
| 1993 | switch (packet->GetProtocol()) { |
| 1994 | case OP_EDONKEYPROT: |
| 1995 | bResult = ProcessPacket(packet->GetDataBuffer(),uRawSize,packet->GetOpCode()); |
| 1996 | break; |
| 1997 | case OP_EMULEPROT: |
| 1998 | bResult = ProcessExtPacket(packet->GetDataBuffer(), packet->GetPacketSize(), packet->GetOpCode()); |
| 1999 | break; |
| 2000 | case OP_ED2KV2HEADER: |
| 2001 | bResult = ProcessED2Kv2Packet(packet->GetDataBuffer(), packet->GetPacketSize(), packet->GetOpCode()); |
| 2002 | break; |
| 2003 | case OP_ED2KV2PACKEDPROT: |
| 2004 | case OP_PACKEDPROT: |
| 2005 | // Packed inside packed? |
| 2006 | wxFAILdo { if ( wxTheAssertHandler && (wxOnAssert("ClientTCPSocket.cpp" , 2006, __FUNCTION__, "\"Assert failure\"", (const char*)__null ), wxTrapInAssert) ) { wxTrapInAssert = false; asm volatile ( "int $3"); } } while ( (void)0, 0 ); |
| 2007 | break; |
| 2008 | default: { |
| 2009 | theStats::AddDownOverheadOther(uRawSize); |
| 2010 | if (m_client) { |
| 2011 | m_client->SetDownloadState(DS_ERROR); |
| 2012 | } |
| 2013 | Disconnect(wxT("Unknown protocol")L"Unknown protocol"); |
| 2014 | bResult = false; |
| 2015 | } |
| 2016 | } |
| 2017 | } |
| 2018 | } catch (const CEOFException& err) { |
| 2019 | exception = wxT("EOF exception: ")L"EOF exception: " + err.what(); |
| 2020 | } catch (const CInvalidPacket& err) { |
| 2021 | exception = wxT("InvalidPacket exception: ")L"InvalidPacket exception: " + err.what(); |
| 2022 | } catch (const wxString& error) { |
| 2023 | exception = wxT("error: ")L"error: " + (error.IsEmpty() ? wxString(wxT("Unknown error")L"Unknown error") : error); |
| 2024 | } |
| 2025 | |
| 2026 | if (!exception.IsEmpty()) { |
| 2027 | AddDebugLogLineN( logPacketErrors,do {} while (false) |
| 2028 | CFormat(wxT("Caught %s\nOn packet with protocol %x, opcode %x, size %u\tClientData: %s\n"))do {} while (false) |
| 2029 | % exceptiondo {} while (false) |
| 2030 | % packet->GetProtocol()do {} while (false) |
| 2031 | % packet->GetOpCode()do {} while (false) |
| 2032 | % packet->GetPacketSize()do {} while (false) |
| 2033 | % ( m_client ? m_client->GetClientFullInfo() : wxT("Unknown") )do {} while (false) |
| 2034 | )do {} while (false); |
| 2035 | |
| 2036 | if (m_client) { |
| 2037 | m_client->SetDownloadState(DS_ERROR); |
| 2038 | } |
| 2039 | |
| 2040 | AddDebugLogLineN( logClient,do {} while (false) |
| 2041 | CFormat( wxT("Client '%s' (IP: %s) caused an error (%s). Disconnecting client!" ) )do {} while (false) |
| 2042 | % ( m_client ? m_client->GetUserName() : wxString(wxT("Unknown")) )do {} while (false) |
| 2043 | % ( m_client ? m_client->GetFullIP() : wxString(wxT("Unknown")) )do {} while (false) |
| 2044 | % exceptiondo {} while (false) |
| 2045 | )do {} while (false); |
| 2046 | |
| 2047 | Disconnect(wxT("Caught exception on CClientTCPSocket::ProcessPacket\n")L"Caught exception on CClientTCPSocket::ProcessPacket\n"); |
| 2048 | } |
| 2049 | |
| 2050 | return bResult; |
| 2051 | } |
| 2052 | |
| 2053 | |
| 2054 | SocketSentBytes CClientTCPSocket::SendControlData(uint32 maxNumberOfBytesToSend, uint32 overchargeMaxBytesToSend) |
| 2055 | { |
| 2056 | SocketSentBytes returnStatus = CEMSocket::SendControlData(maxNumberOfBytesToSend, overchargeMaxBytesToSend); |
| 2057 | |
| 2058 | if(returnStatus.success && (returnStatus.sentBytesControlPackets > 0 || returnStatus.sentBytesStandardPackets > 0)) { |
| 2059 | ResetTimeOutTimer(); |
| 2060 | } |
| 2061 | |
| 2062 | return returnStatus; |
| 2063 | } |
| 2064 | |
| 2065 | |
| 2066 | SocketSentBytes CClientTCPSocket::SendFileAndControlData(uint32 maxNumberOfBytesToSend, uint32 overchargeMaxBytesToSend) |
| 2067 | { |
| 2068 | SocketSentBytes returnStatus = CEMSocket::SendFileAndControlData(maxNumberOfBytesToSend, overchargeMaxBytesToSend); |
| 2069 | |
| 2070 | if(returnStatus.success && (returnStatus.sentBytesControlPackets > 0 || returnStatus.sentBytesStandardPackets > 0)) { |
| 2071 | ResetTimeOutTimer(); |
| 2072 | } |
| 2073 | |
| 2074 | return returnStatus; |
| 2075 | } |
| 2076 | |
| 2077 | |
| 2078 | void CClientTCPSocket::SendPacket(CPacket* packet, bool delpacket, bool controlpacket, uint32 actualPayloadSize) |
| 2079 | { |
| 2080 | ResetTimeOutTimer(); |
| 2081 | CEMSocket::SendPacket(packet,delpacket,controlpacket, actualPayloadSize); |
| 2082 | } |
| 2083 | // File_checked_for_headers |