2 ** This program is free software; you can redistribute it and/or modify
 
   3 ** it under the terms of the GNU General Public License as published by
 
   4 ** the Free Software Foundation; either version 1, or (at your option)
 
   7 ** This program is distributed in the hope that it will be useful,
 
   8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
 
   9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
  10 ** GNU General Public License for more details.
 
  12 ** You should have received a copy of the GNU General Public License
 
  13 ** along with this program; if not, write to the Free Software
 
  14 ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
  20  $Date: 2010/04/16 11:28:03 $
 
  25 * Boris Mikhailenko <stg34@stargazer.dp.ua>
 
  26 * Andrey Rakhmanov <andrey_rakhmanov@yahoo.com> - èñïðàâëåíèå äâóõ áàãîâ.
 
  29 //---------------------------------------------------------------------------
 
  43     #include <sys/types.h>
 
  44     #include <sys/socket.h>
 
  46     #include <netinet/in.h>
 
  47     #include <arpa/inet.h>
 
  52 #include "ia_auth_c.h"
 
  55 #define IA_CONNECT         (1)
 
  56 #define IA_DISCONNECT      (2)
 
  58 #define IA_DEBUGPROTO   1
 
  61 //---------------------------------------------------------------------------
 
  62 //---------------------------------------------------------------------------
 
  63 //---------------------------------------------------------------------------
 
  66 void * RunL(void * data)
 
  69 IA_CLIENT_PROT * c = (IA_CLIENT_PROT *)data;
 
  78 while (c->GetNonstop())
 
  84 //---------------------------------------------------------------------------
 
  89 //---------------------------------------------------------------------------
 
  93 gettimeofday(&tv, NULL);
 
  94 return tv.tv_sec*1000 + tv.tv_usec/1000;
 
  97 //---------------------------------------------------------------------------
 
  98 unsigned long WINAPI RunW(void * data)
 
 100 IA_CLIENT_PROT * c = (IA_CLIENT_PROT *)data;
 
 101 while (c->GetNonstop())
 
 105 //---------------------------------------------------------------------------
 
 107 //---------------------------------------------------------------------------
 
 108 //---------------------------------------------------------------------------
 
 109 //---------------------------------------------------------------------------
 
 110 IA_CLIENT_PROT::IA_CLIENT_PROT(const string & sn, unsigned short p, uint16_t localPort)
 
 120       isNetPrepared(false),
 
 127       localPort(localPort),
 
 135       pStatusChangedCb(NULL),
 
 136       pStatChangedCb(NULL),
 
 140       statusChangedCbData(NULL),
 
 141       statChangedCbData(NULL),
 
 152       disconnSynAck8(NULL),
 
 157 memset(&stat, 0, sizeof(stat));
 
 160 WSAStartup(MAKEWORD(2, 0), &wsaData);
 
 163 packetTypes["CONN_SYN"] = CONN_SYN_N;
 
 164 packetTypes["CONN_SYN_ACK"] = CONN_SYN_ACK_N;
 
 165 packetTypes["CONN_ACK"] = CONN_ACK_N;
 
 166 packetTypes["ALIVE_SYN"] = ALIVE_SYN_N;
 
 167 packetTypes["ALIVE_ACK"] = ALIVE_ACK_N;
 
 168 packetTypes["DISCONN_SYN"] = DISCONN_SYN_N;
 
 169 packetTypes["DISCONN_SYN_ACK"] = DISCONN_SYN_ACK_N;
 
 170 packetTypes["DISCONN_ACK"] = DISCONN_ACK_N;
 
 171 packetTypes["FIN"] = FIN_N;
 
 172 packetTypes["ERR"] = ERROR_N;
 
 173 packetTypes["INFO"] = INFO_N;
 
 174 packetTypes["INFO_7"] = INFO_7_N;
 
 175 packetTypes["INFO_8"] = INFO_8_N;
 
 177 unsigned char key[IA_PASSWD_LEN];
 
 178 memset(key, 0, IA_LOGIN_LEN);
 
 179 strncpy((char *)key, "pr7Hhen", 8);
 
 180 Blowfish_Init(&ctxHdr, key, IA_PASSWD_LEN);
 
 182 //---------------------------------------------------------------------------
 
 183 void IA_CLIENT_PROT::PrepareNet()
 
 185 struct hostent * phe;
 
 188 ip = inet_addr(serverName.c_str());
 
 189 if (ip == INADDR_NONE)
 
 191     phe = gethostbyname(serverName.c_str());
 
 194         ip = *((unsigned long*)phe->h_addr_list[0]);
 
 198         strError = string("Unknown host ") + "\'" + serverName + "\'";
 
 199         codeError = IA_GETHOSTBYNAME_ERROR;
 
 200         if (pErrorCb != NULL)
 
 201             pErrorCb(messageText, IA_GETHOSTBYNAME_ERROR, errorCbData);
 
 211 sockr = socket(AF_INET, SOCK_DGRAM, 0);  // Cîêåò ÷åðåç êîòîðûé øëåì è ïðèíèìàåì
 
 213 localAddrS.sin_family = AF_INET;
 
 214 localAddrS.sin_port = htons(port);
 
 215 localAddrS.sin_addr.s_addr = inet_addr("0.0.0.0");
 
 217 localAddrR.sin_family = AF_INET;
 
 220     localAddrR.sin_port = htons(localPort);
 
 222     localAddrR.sin_port = htons(port);
 
 223 localAddrR.sin_addr.s_addr = inet_addr("0.0.0.0");
 
 225 servAddr.sin_family = AF_INET;
 
 226 servAddr.sin_port = htons(port);
 
 227 servAddr.sin_addr.s_addr = ip;
 
 229 int res = bind(sockr, (struct sockaddr*)&localAddrR, sizeof(localAddrR));
 
 232     strError = "bind error";
 
 233     codeError = IA_BIND_ERROR;
 
 234     if (pErrorCb != NULL)
 
 235         pErrorCb(messageText, IA_BIND_ERROR, errorCbData);
 
 240 unsigned long arg = 1;
 
 241 res = ioctlsocket(sockr, FIONBIO, &arg);
 
 243 if (0 != fcntl(sockr, F_SETFL, O_NONBLOCK))
 
 245     strError = "fcntl error";
 
 246     codeError = IA_FCNTL_ERROR;
 
 247     if (pErrorCb != NULL)
 
 248         pErrorCb(messageText, IA_FCNTL_ERROR, errorCbData);
 
 253 //---------------------------------------------------------------------------
 
 254 IA_CLIENT_PROT::~IA_CLIENT_PROT()
 
 263 //---------------------------------------------------------------------------
 
 264 int IA_CLIENT_PROT::DeterminatePacketType(const char * buffer)
 
 266 map<string, int>::iterator pi;
 
 267 pi = packetTypes.find(buffer);
 
 268 if (pi == packetTypes.end())
 
 277 //---------------------------------------------------------------------------
 
 278 void IA_CLIENT_PROT::FillHdr8(char * buffer, unsigned long)
 
 280 strncpy(buffer, IA_ID, 6);
 
 281 buffer[IA_MAGIC_LEN] = 0;
 
 282 buffer[IA_MAGIC_LEN + 1] = IA_PROTO_VER;
 
 283 strncpy(buffer + sizeof(HDR_8), login.c_str(), IA_LOGIN_LEN);
 
 285 //---------------------------------------------------------------------------
 
 286 int IA_CLIENT_PROT::Send(char * buffer, int len)
 
 291     isNetPrepared = true;
 
 295 int db = sizeof(HDR_8);
 
 296 for (int i = 0; i < IA_LOGIN_LEN/8; i++)
 
 298     Blowfish_Encrypt(&ctxHdr, (uint32_t*)(buffer + db + i*8), (uint32_t*)(buffer + db + i*8 + 4));
 
 301 // Øèôðóåì âñ¸ îñòàëüíîå
 
 303 int encLen = (len - sizeof(HDR_8) - IA_LOGIN_LEN)/8;
 
 304 for (int i = 0; i < encLen; i++)
 
 306     Blowfish_Encrypt(&ctxPass, (uint32_t*)(buffer + db), (uint32_t*)(buffer + db + 4));
 
 310 return sendto(sockr, buffer, len, 0, (struct sockaddr*)&servAddr, sizeof(servAddr));
 
 312 //---------------------------------------------------------------------------
 
 313 int IA_CLIENT_PROT::Recv(char * buffer, int len)
 
 321 struct sockaddr_in addr;
 
 322 fromLen = sizeof(addr);
 
 323 int res = recvfrom(sockr, buffer, len, 0, (struct sockaddr*)&addr, &fromLen);
 
 328 if (strcmp(buffer + 4 + sizeof(HDR_8), "ERR"))
 
 330     for (int i = 0; i < len/8; i++)
 
 331         Blowfish_Decrypt(&ctxPass, (uint32_t*)(buffer + i*8), (uint32_t*)(buffer + i*8 + 4));
 
 336 //---------------------------------------------------------------------------
 
 337 int IA_CLIENT_PROT::NetSend(int n)
 
 342 memset(buffer, 0, 2048);
 
 347         msgLen = Prepare_CONN_SYN_8(buffer);
 
 351         msgLen = Prepare_CONN_ACK_8(buffer);
 
 355         msgLen = Prepare_ALIVE_ACK_8(buffer);
 
 359         msgLen = Prepare_DISCONN_SYN_8(buffer);
 
 363         msgLen = Prepare_DISCONN_ACK_8(buffer);
 
 371 Send(buffer, msgLen);
 
 375 //---------------------------------------------------------------------------
 
 376 int IA_CLIENT_PROT::NetRecv()
 
 380 if (Recv(buffer, sizeof(buffer)) < 0)
 
 384 strncpy(packetName, buffer + 12, sizeof(packetName));
 
 385 packetName[sizeof(packetName) - 1] = 0;
 
 386 int pn = DeterminatePacketType(buffer + 12);
 
 392         ret = Process_CONN_SYN_ACK_8(buffer);
 
 396         ret = Process_ALIVE_SYN_8(buffer);
 
 399     case DISCONN_SYN_ACK_N:
 
 400         ret = Process_DISCONN_SYN_ACK_8(buffer);
 
 404         ret = Process_FIN_8(buffer);
 
 408         ret = Process_INFO_8(buffer);
 
 412         ret = Process_ERROR(buffer);
 
 420 //---------------------------------------------------------------------------
 
 421 void IA_CLIENT_PROT::Start()
 
 425 CreateThread(NULL, 16384, RunW, this, 0, &pt);
 
 427 pthread_create(&thread, NULL, RunL, this);
 
 430 //---------------------------------------------------------------------------
 
 431 void IA_CLIENT_PROT::Stop()
 
 435 //---------------------------------------------------------------------------
 
 436 void IA_CLIENT_PROT::Run()
 
 443         if (action == IA_CONNECT)
 
 448             phaseTime = GetTickCount();
 
 450         if (reconnect && !firstConnect)
 
 457         if ((int)(GetTickCount() - phaseTime)/1000 > aliveTimeout)
 
 460             phaseTime = GetTickCount();
 
 461             if (pStatusChangedCb != NULL)
 
 462                 pStatusChangedCb(0, statusChangedCbData);
 
 465         if (action == IA_DISCONNECT)
 
 468             NetSend(DISCONN_SYN_N);
 
 470             phaseTime = GetTickCount();
 
 476         if ((int)(GetTickCount() - phaseTime)/1000 > userTimeout)
 
 479             phaseTime = GetTickCount();
 
 480             if (pStatusChangedCb != NULL)
 
 481                 pStatusChangedCb(0, statusChangedCbData);
 
 482             firstConnect = false;
 
 485         if (action == IA_DISCONNECT)
 
 488             NetSend(DISCONN_SYN_N);
 
 490             phaseTime = GetTickCount();
 
 496         if ((int)(GetTickCount() - phaseTime)/1000 > aliveTimeout)
 
 499             phaseTime = GetTickCount();
 
 500             if (pStatusChangedCb != NULL)
 
 501                 pStatusChangedCb(0, statusChangedCbData);
 
 504         if (action == IA_CONNECT)
 
 509             phaseTime = GetTickCount();
 
 515         if ((int)(GetTickCount() - phaseTime)/1000 > aliveTimeout)
 
 518             phaseTime = GetTickCount();
 
 519             if (pStatusChangedCb != NULL)
 
 520                 pStatusChangedCb(0, statusChangedCbData);
 
 523         if (action == IA_CONNECT)
 
 528             phaseTime = GetTickCount();
 
 536 //---------------------------------------------------------------------------
 
 537 void IA_CLIENT_PROT::GetStat(LOADSTAT * ls)
 
 539 memcpy(ls, &stat, sizeof(stat));
 
 541 //---------------------------------------------------------------------------
 
 542 void IA_CLIENT_PROT::SetServer(const string & sn, unsigned short p)
 
 548 //---------------------------------------------------------------------------
 
 549 void IA_CLIENT_PROT::SetLogin(const string & l)
 
 553 //---------------------------------------------------------------------------
 
 554 void IA_CLIENT_PROT::SetPassword(const string & p)
 
 558 unsigned char keyL[IA_PASSWD_LEN];
 
 559 memset(keyL, 0, IA_PASSWD_LEN);
 
 560 strncpy((char *)keyL, password.c_str(), IA_PASSWD_LEN);
 
 561 Blowfish_Init(&ctxPass, keyL, IA_PASSWD_LEN);
 
 563 //---------------------------------------------------------------------------
 
 564 void IA_CLIENT_PROT::SetEnabledDirs(const bool * selectedDirs)
 
 566 memcpy(IA_CLIENT_PROT::selectedDirs, selectedDirs, sizeof(bool) * DIR_NUM);
 
 568 //---------------------------------------------------------------------------
 
 569 int IA_CLIENT_PROT::Connect()
 
 574 //---------------------------------------------------------------------------
 
 575 int IA_CLIENT_PROT::Disconnect()
 
 578 action = IA_DISCONNECT;
 
 581 //---------------------------------------------------------------------------
 
 582 int IA_CLIENT_PROT::GetStrError(string * error) const
 
 590 //---------------------------------------------------------------------------
 
 591 int IA_CLIENT_PROT::Process_CONN_SYN_ACK_8(const char * buffer)
 
 593 vector<string> dirNames;
 
 594 connSynAck8 = (CONN_SYN_ACK_8*)buffer;
 
 597 SwapBytes(connSynAck8->len);
 
 598 SwapBytes(connSynAck8->rnd);
 
 599 SwapBytes(connSynAck8->userTimeOut);
 
 600 SwapBytes(connSynAck8->aliveDelay);
 
 603 rnd = connSynAck8->rnd;
 
 604 userTimeout = connSynAck8->userTimeOut;
 
 605 aliveTimeout = connSynAck8->aliveDelay;
 
 607 for (int i = 0; i < DIR_NUM; i++)
 
 609     dirNames.push_back((const char*)connSynAck8->dirName[i]);
 
 612 if (pDirNameCb != NULL)
 
 613     pDirNameCb(dirNames, dirNameCbData);
 
 617 phaseTime = GetTickCount();
 
 619 return CONN_SYN_ACK_N;
 
 621 //---------------------------------------------------------------------------
 
 622 int IA_CLIENT_PROT::Process_ALIVE_SYN_8(const char * buffer)
 
 624 aliveSyn8 = (ALIVE_SYN_8*)buffer;
 
 627 SwapBytes(aliveSyn8->len);
 
 628 SwapBytes(aliveSyn8->rnd);
 
 629 SwapBytes(aliveSyn8->cash);
 
 630 SwapBytes(aliveSyn8->status);
 
 631 for (int i = 0; i < DIR_NUM; ++i)
 
 633     SwapBytes(aliveSyn8->mu[i]);
 
 634     SwapBytes(aliveSyn8->md[i]);
 
 635     SwapBytes(aliveSyn8->su[i]);
 
 636     SwapBytes(aliveSyn8->sd[i]);
 
 640 rnd = aliveSyn8->rnd;
 
 641 memcpy(&stat, (char*)aliveSyn8->mu, sizeof(stat));
 
 643 if (pStatChangedCb != NULL)
 
 644     pStatChangedCb(stat, statChangedCbData);
 
 646 if (pStatusChangedCb != NULL)
 
 647     pStatusChangedCb(1, statusChangedCbData);
 
 648 NetSend(ALIVE_ACK_N);
 
 649 phaseTime = GetTickCount();
 
 653 //---------------------------------------------------------------------------
 
 654 int IA_CLIENT_PROT::Process_DISCONN_SYN_ACK_8(const char * buffer)
 
 656 disconnSynAck8 = (DISCONN_SYN_ACK_8*)buffer;
 
 659 SwapBytes(disconnSynAck8->len);
 
 660 SwapBytes(disconnSynAck8->rnd);
 
 663 rnd = disconnSynAck8->rnd;
 
 665 NetSend(DISCONN_ACK_N);
 
 667 phaseTime = GetTickCount();
 
 669 return DISCONN_SYN_ACK_N;
 
 671 //---------------------------------------------------------------------------
 
 672 int IA_CLIENT_PROT::Process_FIN_8(const char *)
 
 675 phaseTime = GetTickCount();
 
 676 if (pStatusChangedCb != NULL)
 
 677     pStatusChangedCb(0, statusChangedCbData);
 
 681 //---------------------------------------------------------------------------
 
 682 int IA_CLIENT_PROT::Process_INFO_8(const char * buffer)
 
 684 info = (INFO_8*)buffer;
 
 687 SwapBytes(info->len);
 
 688 SwapBytes(info->sendTime);
 
 692     pInfoCb((char*)info->text, info->infoType, info->showTime, info->sendTime, infoCbData);
 
 695 //---------------------------------------------------------------------------
 
 696 int IA_CLIENT_PROT::Process_ERROR(const char * buffer)
 
 698 memcpy(&err, buffer, sizeof(err));
 
 704 KOIToWin((const char*)err.text, &messageText);
 
 705 if (pErrorCb != NULL)
 
 706     pErrorCb(messageText, IA_SERVER_ERROR, errorCbData);
 
 708 phaseTime = GetTickCount();
 
 709 codeError = IA_SERVER_ERROR;
 
 713 //---------------------------------------------------------------------------
 
 714 int IA_CLIENT_PROT::Prepare_CONN_SYN_8(char * buffer)
 
 716 connSyn8 = (CONN_SYN_8*)buffer;
 
 719 SwapBytes(connSyn8->len);
 
 722 assert(sizeof(CONN_SYN_8) == Min8(sizeof(CONN_SYN_8)) && "CONN_SYN_8 is not aligned to 8 bytes");
 
 724 connSyn8->len = sizeof(CONN_SYN_8);
 
 725 strncpy((char*)connSyn8->type, "CONN_SYN", IA_MAX_TYPE_LEN);
 
 726 strncpy((char*)connSyn8->login, login.c_str(), IA_LOGIN_LEN);
 
 728 for (int i = 0; i < DIR_NUM; i++)
 
 730     connSyn8->dirs |= (selectedDirs[i] << i);
 
 732 return connSyn8->len;
 
 734 //---------------------------------------------------------------------------
 
 735 int IA_CLIENT_PROT::Prepare_CONN_ACK_8(char * buffer)
 
 737 connAck8 = (CONN_ACK_8*)buffer;
 
 740 SwapBytes(connAck8->len);
 
 741 SwapBytes(connAck8->rnd);
 
 744 assert(sizeof(CONN_ACK_8) == Min8(sizeof(CONN_ACK_8)) && "CONN_ACK_8 is not aligned to 8 bytes");
 
 746 connAck8->len = sizeof(CONN_ACK_8);
 
 747 strncpy((char*)connAck8->loginS, login.c_str(), IA_LOGIN_LEN);
 
 748 strncpy((char*)connAck8->type, "CONN_ACK", IA_MAX_TYPE_LEN);
 
 752 return connAck8->len;
 
 754 //---------------------------------------------------------------------------
 
 755 int IA_CLIENT_PROT::Prepare_ALIVE_ACK_8(char * buffer)
 
 757 aliveAck8 = (ALIVE_ACK_8*)buffer;
 
 760 SwapBytes(aliveAck8->len);
 
 761 SwapBytes(aliveAck8->rnd);
 
 764 assert(Min8(sizeof(ALIVE_ACK_8)) == sizeof(ALIVE_ACK_8) && "ALIVE_ACK_8 is not aligned to 8 bytes");
 
 766 aliveAck8 = (ALIVE_ACK_8*)buffer;
 
 767 aliveAck8->len = sizeof(ALIVE_ACK_8);
 
 768 strncpy((char*)aliveAck8->loginS, login.c_str(), IA_LOGIN_LEN);
 
 769 strncpy((char*)aliveAck8->type, "ALIVE_ACK", IA_MAX_TYPE_LEN);
 
 770 aliveAck8->rnd = ++rnd;
 
 771 return aliveAck8->len;
 
 773 //---------------------------------------------------------------------------
 
 774 int IA_CLIENT_PROT::Prepare_DISCONN_SYN_8(char * buffer)
 
 776 disconnSyn8 = (DISCONN_SYN_8*)buffer;
 
 779 SwapBytes(disconnSyn8->len);
 
 782 assert(Min8(sizeof(DISCONN_SYN_8)) == sizeof(DISCONN_SYN_8) && "DISCONN_SYN_8 is not aligned to 8 bytes");
 
 784 disconnSyn8->len = sizeof(DISCONN_SYN_8);
 
 785 strncpy((char*)disconnSyn8->loginS, login.c_str(), IA_LOGIN_LEN);
 
 786 strncpy((char*)disconnSyn8->type, "DISCONN_SYN", IA_MAX_TYPE_LEN);
 
 787 strncpy((char*)disconnSyn8->login, login.c_str(), IA_LOGIN_LEN);
 
 788 return disconnSyn8->len;
 
 790 //---------------------------------------------------------------------------
 
 791 int IA_CLIENT_PROT::Prepare_DISCONN_ACK_8(char * buffer)
 
 793 disconnAck8 = (DISCONN_ACK_8*)buffer;
 
 796 SwapBytes(disconnAck8->len);
 
 797 SwapBytes(disconnAck8->rnd);
 
 800 assert(Min8(sizeof(DISCONN_ACK_8)) == sizeof(DISCONN_ACK_8) && "DISCONN_ACK_8 is not aligned to 8 bytes");
 
 802 disconnAck8->len = Min8(sizeof(DISCONN_ACK_8));
 
 803 disconnAck8->rnd = rnd + 1;
 
 804 strncpy((char*)disconnAck8->loginS, login.c_str(), IA_LOGIN_LEN);
 
 805 strncpy((char*)disconnAck8->type, "DISCONN_ACK", IA_MAX_TYPE_LEN);
 
 806 return disconnAck8->len;
 
 808 //---------------------------------------------------------------------------
 
 809 void IA_CLIENT_PROT::SetStatusChangedCb(tpStatusChangedCb p, void * data)
 
 811 pStatusChangedCb = p;
 
 812 statusChangedCbData = data;
 
 814 //---------------------------------------------------------------------------
 
 815 void IA_CLIENT_PROT::SetStatChangedCb(tpStatChangedCb p, void * data)
 
 818 statChangedCbData = data;
 
 820 //---------------------------------------------------------------------------
 
 821 void IA_CLIENT_PROT::SetInfoCb(tpCallBackInfoFn p, void * data)
 
 826 //---------------------------------------------------------------------------
 
 827 void IA_CLIENT_PROT::SetDirNameCb(tpCallBackDirNameFn p, void * data)
 
 830 dirNameCbData = data;
 
 832 //---------------------------------------------------------------------------
 
 833 void IA_CLIENT_PROT::SetErrorCb(tpCallBackErrorFn p, void * data)
 
 838 //---------------------------------------------------------------------------