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 * Maxim Mamontov <faust@stargazer.dp.ua>
27 * Andrey Rakhmanov <andrey_rakhmanov@yahoo.com> - bugfixes.
30 //---------------------------------------------------------------------------
44 #include <sys/types.h>
45 #include <sys/socket.h>
47 #include <netinet/in.h>
48 #include <arpa/inet.h>
53 #include "ia_auth_c.h"
56 #define IA_CONNECT (1)
57 #define IA_DISCONNECT (2)
59 #define IA_DEBUGPROTO 1
62 //---------------------------------------------------------------------------
63 //---------------------------------------------------------------------------
64 //---------------------------------------------------------------------------
67 void * RunL(void * data)
70 IA_CLIENT_PROT * c = (IA_CLIENT_PROT *)data;
79 while (c->GetNonstop())
85 //---------------------------------------------------------------------------
90 //---------------------------------------------------------------------------
94 gettimeofday(&tv, NULL);
95 return tv.tv_sec*1000 + tv.tv_usec/1000;
98 //---------------------------------------------------------------------------
99 unsigned long WINAPI RunW(void * data)
101 IA_CLIENT_PROT * c = (IA_CLIENT_PROT *)data;
102 while (c->GetNonstop())
106 //---------------------------------------------------------------------------
108 //---------------------------------------------------------------------------
109 //---------------------------------------------------------------------------
110 //---------------------------------------------------------------------------
111 IA_CLIENT_PROT::IA_CLIENT_PROT(const string & sn, unsigned short p, uint16_t localPort)
117 isNetPrepared(false),
122 localPort(localPort),
130 pStatusChangedCb(NULL),
131 pStatChangedCb(NULL),
135 statusChangedCbData(NULL),
136 statChangedCbData(NULL),
146 disconnSynAck8(NULL),
150 memset(&stat, 0, sizeof(stat));
153 WSAStartup(MAKEWORD(2, 0), &wsaData);
156 packetTypes["CONN_SYN"] = CONN_SYN_N;
157 packetTypes["CONN_SYN_ACK"] = CONN_SYN_ACK_N;
158 packetTypes["CONN_ACK"] = CONN_ACK_N;
159 packetTypes["ALIVE_SYN"] = ALIVE_SYN_N;
160 packetTypes["ALIVE_ACK"] = ALIVE_ACK_N;
161 packetTypes["DISCONN_SYN"] = DISCONN_SYN_N;
162 packetTypes["DISCONN_SYN_ACK"] = DISCONN_SYN_ACK_N;
163 packetTypes["DISCONN_ACK"] = DISCONN_ACK_N;
164 packetTypes["FIN"] = FIN_N;
165 packetTypes["ERR"] = ERROR_N;
166 packetTypes["INFO"] = INFO_N;
167 packetTypes["INFO_7"] = INFO_7_N;
168 packetTypes["INFO_8"] = INFO_8_N;
170 unsigned char key[IA_PASSWD_LEN];
171 memset(key, 0, IA_PASSWD_LEN);
172 strncpy((char *)key, "pr7Hhen", 8);
173 Blowfish_Init(&ctxHdr, key, IA_PASSWD_LEN);
175 memset(key, 0, IA_PASSWD_LEN);
176 Blowfish_Init(&ctxPass, key, IA_PASSWD_LEN);
178 for (size_t i = 0; i < DIR_NUM; ++i)
180 selectedDirs[i] = false;
183 servAddr.sin_family = AF_INET;
184 servAddr.sin_port = htons(port);
185 servAddr.sin_addr.s_addr = ip;
187 //---------------------------------------------------------------------------
188 void IA_CLIENT_PROT::PrepareNet()
190 struct hostent * phe;
193 ip = inet_addr(serverName.c_str());
194 if (ip == INADDR_NONE)
196 phe = gethostbyname(serverName.c_str());
199 ip = *((unsigned long*)phe->h_addr_list[0]);
203 strError = string("Unknown host ") + "\'" + serverName + "\'";
204 codeError = IA_GETHOSTBYNAME_ERROR;
205 if (pErrorCb != NULL)
206 pErrorCb(strError, IA_GETHOSTBYNAME_ERROR, errorCbData);
216 sockr = socket(AF_INET, SOCK_DGRAM, 0);
218 struct sockaddr_in localAddrR;
219 localAddrR.sin_family = AF_INET;
222 localAddrR.sin_port = htons(localPort);
224 localAddrR.sin_port = htons(port);
225 localAddrR.sin_addr.s_addr = inet_addr("0.0.0.0");
227 servAddr.sin_family = AF_INET;
228 servAddr.sin_port = htons(port);
229 servAddr.sin_addr.s_addr = ip;
231 int res = bind(sockr, (struct sockaddr*)&localAddrR, sizeof(localAddrR));
234 strError = "bind error";
235 codeError = IA_BIND_ERROR;
236 if (pErrorCb != NULL)
237 pErrorCb(strError, IA_BIND_ERROR, errorCbData);
242 unsigned long arg = 1;
243 res = ioctlsocket(sockr, FIONBIO, &arg);
245 if (0 != fcntl(sockr, F_SETFL, O_NONBLOCK))
247 strError = "fcntl error";
248 codeError = IA_FCNTL_ERROR;
249 if (pErrorCb != NULL)
250 pErrorCb(strError, IA_FCNTL_ERROR, errorCbData);
255 //---------------------------------------------------------------------------
256 IA_CLIENT_PROT::~IA_CLIENT_PROT()
265 //---------------------------------------------------------------------------
266 int IA_CLIENT_PROT::DeterminatePacketType(const char * buffer)
268 map<string, int>::iterator pi;
269 pi = packetTypes.find(buffer);
270 if (pi == packetTypes.end())
279 //---------------------------------------------------------------------------
280 void IA_CLIENT_PROT::FillHdr8(char * buffer, unsigned long)
282 strncpy(buffer, IA_ID, 6);
283 buffer[IA_MAGIC_LEN] = 0;
284 buffer[IA_MAGIC_LEN + 1] = IA_PROTO_VER;
285 strncpy(buffer + sizeof(HDR_8), login.c_str(), IA_LOGIN_LEN);
287 //---------------------------------------------------------------------------
288 int IA_CLIENT_PROT::Send(char * buffer, int len)
293 isNetPrepared = true;
296 int db = sizeof(HDR_8);
297 for (int i = 0; i < IA_LOGIN_LEN/8; i++)
299 Blowfish_Encrypt(&ctxHdr, (uint32_t*)(buffer + db + i*8), (uint32_t*)(buffer + db + i*8 + 4));
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()
426 CreateThread(NULL, 16384, RunW, this, 0, &pt);
428 pthread_create(&thread, NULL, RunL, this);
431 //---------------------------------------------------------------------------
432 void IA_CLIENT_PROT::Stop()
436 //---------------------------------------------------------------------------
437 void IA_CLIENT_PROT::Run()
444 if (action == IA_CONNECT)
449 phaseTime = GetTickCount();
451 if (reconnect && !firstConnect)
458 if ((int)(GetTickCount() - phaseTime)/1000 > aliveTimeout)
461 phaseTime = GetTickCount();
462 if (pStatusChangedCb != NULL)
463 pStatusChangedCb(0, statusChangedCbData);
466 if (action == IA_DISCONNECT)
469 NetSend(DISCONN_SYN_N);
471 phaseTime = GetTickCount();
477 if ((int)(GetTickCount() - phaseTime)/1000 > userTimeout)
480 phaseTime = GetTickCount();
481 if (pStatusChangedCb != NULL)
482 pStatusChangedCb(0, statusChangedCbData);
483 firstConnect = false;
486 if (action == IA_DISCONNECT)
489 NetSend(DISCONN_SYN_N);
491 phaseTime = GetTickCount();
497 if ((int)(GetTickCount() - phaseTime)/1000 > aliveTimeout)
500 phaseTime = GetTickCount();
501 if (pStatusChangedCb != NULL)
502 pStatusChangedCb(0, statusChangedCbData);
505 if (action == IA_CONNECT)
510 phaseTime = GetTickCount();
516 if ((int)(GetTickCount() - phaseTime)/1000 > aliveTimeout)
519 phaseTime = GetTickCount();
520 if (pStatusChangedCb != NULL)
521 pStatusChangedCb(0, statusChangedCbData);
524 if (action == IA_CONNECT)
529 phaseTime = GetTickCount();
537 //---------------------------------------------------------------------------
538 void IA_CLIENT_PROT::GetStat(LOADSTAT * ls)
540 memcpy(ls, &stat, sizeof(stat));
542 //---------------------------------------------------------------------------
543 void IA_CLIENT_PROT::SetServer(const string & sn, unsigned short p)
549 //---------------------------------------------------------------------------
550 void IA_CLIENT_PROT::SetLogin(const string & l)
554 //---------------------------------------------------------------------------
555 void IA_CLIENT_PROT::SetPassword(const string & p)
559 unsigned char keyL[IA_PASSWD_LEN];
560 memset(keyL, 0, IA_PASSWD_LEN);
561 strncpy((char *)keyL, password.c_str(), IA_PASSWD_LEN);
562 Blowfish_Init(&ctxPass, keyL, IA_PASSWD_LEN);
564 //---------------------------------------------------------------------------
565 void IA_CLIENT_PROT::SetEnabledDirs(const bool * selectedDirs)
567 memcpy(IA_CLIENT_PROT::selectedDirs, selectedDirs, sizeof(bool) * DIR_NUM);
569 //---------------------------------------------------------------------------
570 int IA_CLIENT_PROT::Connect()
575 //---------------------------------------------------------------------------
576 int IA_CLIENT_PROT::Disconnect()
579 action = IA_DISCONNECT;
582 //---------------------------------------------------------------------------
583 int IA_CLIENT_PROT::GetStrError(string * error) const
591 //---------------------------------------------------------------------------
592 int IA_CLIENT_PROT::Process_CONN_SYN_ACK_8(const char * buffer)
594 vector<string> dirNames;
595 connSynAck8 = (CONN_SYN_ACK_8*)buffer;
598 SwapBytes(connSynAck8->len);
599 SwapBytes(connSynAck8->rnd);
600 SwapBytes(connSynAck8->userTimeOut);
601 SwapBytes(connSynAck8->aliveDelay);
604 rnd = connSynAck8->rnd;
605 userTimeout = connSynAck8->userTimeOut;
606 aliveTimeout = connSynAck8->aliveDelay;
608 for (int i = 0; i < DIR_NUM; i++)
610 dirNames.push_back((const char*)connSynAck8->dirName[i]);
613 if (pDirNameCb != NULL)
614 pDirNameCb(dirNames, dirNameCbData);
618 phaseTime = GetTickCount();
620 return CONN_SYN_ACK_N;
622 //---------------------------------------------------------------------------
623 int IA_CLIENT_PROT::Process_ALIVE_SYN_8(const char * buffer)
625 aliveSyn8 = (ALIVE_SYN_8*)buffer;
628 SwapBytes(aliveSyn8->len);
629 SwapBytes(aliveSyn8->rnd);
630 SwapBytes(aliveSyn8->cash);
631 SwapBytes(aliveSyn8->status);
632 for (int i = 0; i < DIR_NUM; ++i)
634 SwapBytes(aliveSyn8->mu[i]);
635 SwapBytes(aliveSyn8->md[i]);
636 SwapBytes(aliveSyn8->su[i]);
637 SwapBytes(aliveSyn8->sd[i]);
641 rnd = aliveSyn8->rnd;
642 memcpy(&stat, (char*)aliveSyn8->mu, sizeof(stat));
644 if (pStatChangedCb != NULL)
645 pStatChangedCb(stat, statChangedCbData);
647 if (pStatusChangedCb != NULL)
648 pStatusChangedCb(1, statusChangedCbData);
649 NetSend(ALIVE_ACK_N);
650 phaseTime = GetTickCount();
654 //---------------------------------------------------------------------------
655 int IA_CLIENT_PROT::Process_DISCONN_SYN_ACK_8(const char * buffer)
657 disconnSynAck8 = (DISCONN_SYN_ACK_8*)buffer;
660 SwapBytes(disconnSynAck8->len);
661 SwapBytes(disconnSynAck8->rnd);
664 rnd = disconnSynAck8->rnd;
666 NetSend(DISCONN_ACK_N);
668 phaseTime = GetTickCount();
670 return DISCONN_SYN_ACK_N;
672 //---------------------------------------------------------------------------
673 int IA_CLIENT_PROT::Process_FIN_8(const char *)
676 phaseTime = GetTickCount();
677 if (pStatusChangedCb != NULL)
678 pStatusChangedCb(0, statusChangedCbData);
682 //---------------------------------------------------------------------------
683 int IA_CLIENT_PROT::Process_INFO_8(const char * buffer)
685 info = (INFO_8*)buffer;
688 SwapBytes(info->len);
689 SwapBytes(info->sendTime);
693 pInfoCb((char*)info->text, info->infoType, info->showTime, info->sendTime, infoCbData);
696 //---------------------------------------------------------------------------
697 int IA_CLIENT_PROT::Process_ERROR(const char * buffer)
699 memcpy(&err, buffer, sizeof(err));
705 KOIToWin((const char*)err.text, &messageText);
706 if (pErrorCb != NULL)
707 pErrorCb(messageText, IA_SERVER_ERROR, errorCbData);
709 phaseTime = GetTickCount();
710 codeError = IA_SERVER_ERROR;
714 //---------------------------------------------------------------------------
715 int IA_CLIENT_PROT::Prepare_CONN_SYN_8(char * buffer)
717 connSyn8 = (CONN_SYN_8*)buffer;
720 SwapBytes(connSyn8->len);
723 assert(sizeof(CONN_SYN_8) == Min8(sizeof(CONN_SYN_8)) && "CONN_SYN_8 is not aligned to 8 bytes");
725 connSyn8->len = sizeof(CONN_SYN_8);
726 strncpy((char*)connSyn8->type, "CONN_SYN", IA_MAX_TYPE_LEN);
727 strncpy((char*)connSyn8->login, login.c_str(), IA_LOGIN_LEN);
729 for (int i = 0; i < DIR_NUM; i++)
731 connSyn8->dirs |= (selectedDirs[i] << i);
733 return connSyn8->len;
735 //---------------------------------------------------------------------------
736 int IA_CLIENT_PROT::Prepare_CONN_ACK_8(char * buffer)
738 connAck8 = (CONN_ACK_8*)buffer;
741 SwapBytes(connAck8->len);
742 SwapBytes(connAck8->rnd);
745 assert(sizeof(CONN_ACK_8) == Min8(sizeof(CONN_ACK_8)) && "CONN_ACK_8 is not aligned to 8 bytes");
747 connAck8->len = sizeof(CONN_ACK_8);
748 strncpy((char*)connAck8->loginS, login.c_str(), IA_LOGIN_LEN);
749 strncpy((char*)connAck8->type, "CONN_ACK", IA_MAX_TYPE_LEN);
753 return connAck8->len;
755 //---------------------------------------------------------------------------
756 int IA_CLIENT_PROT::Prepare_ALIVE_ACK_8(char * buffer)
758 aliveAck8 = (ALIVE_ACK_8*)buffer;
761 SwapBytes(aliveAck8->len);
762 SwapBytes(aliveAck8->rnd);
765 assert(Min8(sizeof(ALIVE_ACK_8)) == sizeof(ALIVE_ACK_8) && "ALIVE_ACK_8 is not aligned to 8 bytes");
767 aliveAck8 = (ALIVE_ACK_8*)buffer;
768 aliveAck8->len = sizeof(ALIVE_ACK_8);
769 strncpy((char*)aliveAck8->loginS, login.c_str(), IA_LOGIN_LEN);
770 strncpy((char*)aliveAck8->type, "ALIVE_ACK", IA_MAX_TYPE_LEN);
771 aliveAck8->rnd = ++rnd;
772 return aliveAck8->len;
774 //---------------------------------------------------------------------------
775 int IA_CLIENT_PROT::Prepare_DISCONN_SYN_8(char * buffer)
777 disconnSyn8 = (DISCONN_SYN_8*)buffer;
780 SwapBytes(disconnSyn8->len);
783 assert(Min8(sizeof(DISCONN_SYN_8)) == sizeof(DISCONN_SYN_8) && "DISCONN_SYN_8 is not aligned to 8 bytes");
785 disconnSyn8->len = sizeof(DISCONN_SYN_8);
786 strncpy((char*)disconnSyn8->loginS, login.c_str(), IA_LOGIN_LEN);
787 strncpy((char*)disconnSyn8->type, "DISCONN_SYN", IA_MAX_TYPE_LEN);
788 strncpy((char*)disconnSyn8->login, login.c_str(), IA_LOGIN_LEN);
789 return disconnSyn8->len;
791 //---------------------------------------------------------------------------
792 int IA_CLIENT_PROT::Prepare_DISCONN_ACK_8(char * buffer)
794 disconnAck8 = (DISCONN_ACK_8*)buffer;
797 SwapBytes(disconnAck8->len);
798 SwapBytes(disconnAck8->rnd);
801 assert(Min8(sizeof(DISCONN_ACK_8)) == sizeof(DISCONN_ACK_8) && "DISCONN_ACK_8 is not aligned to 8 bytes");
803 disconnAck8->len = Min8(sizeof(DISCONN_ACK_8));
804 disconnAck8->rnd = rnd + 1;
805 strncpy((char*)disconnAck8->loginS, login.c_str(), IA_LOGIN_LEN);
806 strncpy((char*)disconnAck8->type, "DISCONN_ACK", IA_MAX_TYPE_LEN);
807 return disconnAck8->len;
809 //---------------------------------------------------------------------------
810 void IA_CLIENT_PROT::SetStatusChangedCb(tpStatusChangedCb p, void * data)
812 pStatusChangedCb = p;
813 statusChangedCbData = data;
815 //---------------------------------------------------------------------------
816 void IA_CLIENT_PROT::SetStatChangedCb(tpStatChangedCb p, void * data)
819 statChangedCbData = data;
821 //---------------------------------------------------------------------------
822 void IA_CLIENT_PROT::SetInfoCb(tpCallBackInfoFn p, void * data)
827 //---------------------------------------------------------------------------
828 void IA_CLIENT_PROT::SetDirNameCb(tpCallBackDirNameFn p, void * data)
831 dirNameCbData = data;
833 //---------------------------------------------------------------------------
834 void IA_CLIENT_PROT::SetErrorCb(tpCallBackErrorFn p, void * data)
839 //---------------------------------------------------------------------------