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 2 of the License, or
5 * (at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
19 * Author : Maxim Mamontov <faust@stargazer.dp.ua>
31 #include "stg/common.h"
32 #include "stg/locker.h"
33 #include "stg/users.h"
34 #include "stg/user_property.h"
35 #include "stg/plugin_creator.h"
36 #include "stg/logger.h"
38 #include "ur_functor.h"
39 #include "send_functor.h"
41 extern volatile const time_t stgTime;
43 #define RS_MAX_ROUTERS (100)
45 using RS::REMOTE_SCRIPT;
47 //-----------------------------------------------------------------------------
48 //-----------------------------------------------------------------------------
49 //-----------------------------------------------------------------------------
50 PLUGIN_CREATOR<REMOTE_SCRIPT> rsc;
51 //-----------------------------------------------------------------------------
52 //-----------------------------------------------------------------------------
53 //-----------------------------------------------------------------------------
56 return rsc.GetPlugin();
58 //-----------------------------------------------------------------------------
59 //-----------------------------------------------------------------------------
60 //-----------------------------------------------------------------------------
61 RS::USER::USER(const std::vector<uint32_t> & r, USER_PTR it, REMOTE_SCRIPT & rs)
66 ip(user->GetCurrIP()),
69 user->AddConnectedAfterNotifier(¬ifier);
71 //-----------------------------------------------------------------------------
72 RS::USER::USER(const RS::USER & rhs)
73 : lastSentTime(rhs.lastSentTime),
76 shortPacketsCount(rhs.shortPacketsCount),
78 notifier(rhs.notifier)
80 user->DelConnectedAfterNotifier(&rhs.notifier);
81 user->AddConnectedAfterNotifier(¬ifier);
83 //-----------------------------------------------------------------------------
86 user->DelConnectedAfterNotifier(¬ifier);
88 //-----------------------------------------------------------------------------
89 RS::SETTINGS::SETTINGS()
99 //-----------------------------------------------------------------------------
100 int RS::SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
104 vector<PARAM_VALUE>::const_iterator pvi;
106 ///////////////////////////
108 pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
109 if (pvi == s.moduleParams.end())
111 errorStr = "Parameter \'Port\' not found.";
112 printfd(__FILE__, "Parameter 'Port' not found\n");
115 if (ParseIntInRange(pvi->value[0], 2, 65535, &p))
117 errorStr = "Cannot parse parameter \'Port\': " + errorStr;
118 printfd(__FILE__, "Cannot parse parameter 'Port'\n");
122 ///////////////////////////
123 pv.param = "SendPeriod";
124 pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
125 if (pvi == s.moduleParams.end())
127 errorStr = "Parameter \'SendPeriod\' not found.";
128 printfd(__FILE__, "Parameter 'SendPeriod' not found\n");
132 if (ParseIntInRange(pvi->value[0], 5, 600, &sendPeriod))
134 errorStr = "Cannot parse parameter \'SendPeriod\': " + errorStr;
135 printfd(__FILE__, "Cannot parse parameter 'SendPeriod'\n");
138 ///////////////////////////
139 pv.param = "UserParams";
140 pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
141 if (pvi == s.moduleParams.end())
143 errorStr = "Parameter \'UserParams\' not found.";
144 printfd(__FILE__, "Parameter 'UserParams' not found\n");
147 userParams = pvi->value;
148 ///////////////////////////
149 pv.param = "Password";
150 pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
151 if (pvi == s.moduleParams.end())
153 errorStr = "Parameter \'Password\' not found.";
154 printfd(__FILE__, "Parameter 'Password' not found\n");
157 password = pvi->value[0];
158 ///////////////////////////
159 pv.param = "SubnetFile";
160 pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
161 if (pvi == s.moduleParams.end())
163 errorStr = "Parameter \'SubnetFile\' not found.";
164 printfd(__FILE__, "Parameter 'SubnetFile' not found\n");
167 subnetFile = pvi->value[0];
169 NRMapParser nrMapParser;
171 if (!nrMapParser.ReadFile(subnetFile))
173 netRouters = nrMapParser.GetMap();
177 GetStgLogger()("mod_rscript: error opening subnets file '%s'", subnetFile.c_str());
182 //-----------------------------------------------------------------------------
183 //-----------------------------------------------------------------------------
184 //-----------------------------------------------------------------------------
185 REMOTE_SCRIPT::REMOTE_SCRIPT()
201 onAddUserNotifier(*this),
202 onDelUserNotifier(*this),
203 logger(GetPluginLogger(GetStgLogger(), "rscript"))
205 pthread_mutex_init(&mutex, NULL);
207 //-----------------------------------------------------------------------------
208 REMOTE_SCRIPT::~REMOTE_SCRIPT()
210 pthread_mutex_destroy(&mutex);
212 //-----------------------------------------------------------------------------
213 void * REMOTE_SCRIPT::Run(void * d)
216 sigfillset(&signalSet);
217 pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
219 REMOTE_SCRIPT * rs = static_cast<REMOTE_SCRIPT *>(d);
221 rs->isRunning = true;
229 rs->isRunning = false;
232 //-----------------------------------------------------------------------------
233 int REMOTE_SCRIPT::ParseSettings()
235 int ret = rsSettings.ParseSettings(settings);
237 errorStr = rsSettings.GetStrError();
239 sendPeriod = rsSettings.GetSendPeriod();
240 halfPeriod = sendPeriod / 2;
244 //-----------------------------------------------------------------------------
245 int REMOTE_SCRIPT::Start()
247 netRouters = rsSettings.GetSubnetsMap();
249 InitEncrypt(&ctx, rsSettings.GetPassword());
251 users->AddNotifierUserAdd(&onAddUserNotifier);
252 users->AddNotifierUserDel(&onDelUserNotifier);
268 if (pthread_create(&thread, NULL, Run, this))
270 errorStr = "Cannot create thread.";
271 logger("Cannot create thread.");
272 printfd(__FILE__, "Cannot create thread\n");
280 //-----------------------------------------------------------------------------
281 int REMOTE_SCRIPT::Stop()
289 authorizedUsers.begin(),
290 authorizedUsers.end(),
291 DisconnectUser(*this)
298 //5 seconds to thread stops itself
299 for (int i = 0; i < 25 && isRunning; i++)
301 struct timespec ts = {0, 200000000};
302 nanosleep(&ts, NULL);
306 users->DelNotifierUserDel(&onDelUserNotifier);
307 users->DelNotifierUserAdd(&onAddUserNotifier);
311 logger("Cannot stop thread.");
317 //-----------------------------------------------------------------------------
318 int REMOTE_SCRIPT::Reload()
320 NRMapParser nrMapParser;
322 if (nrMapParser.ReadFile(rsSettings.GetMapFileName()))
324 errorStr = nrMapParser.GetErrorStr();
325 logger("Map file reading error: %s", errorStr.c_str());
330 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
332 printfd(__FILE__, "REMOTE_SCRIPT::Reload()\n");
334 netRouters = nrMapParser.GetMap();
337 std::for_each(authorizedUsers.begin(),
338 authorizedUsers.end(),
339 UpdateRouter(*this));
343 //-----------------------------------------------------------------------------
344 bool REMOTE_SCRIPT::PrepareNet()
346 sock = socket(AF_INET, SOCK_DGRAM, 0);
350 errorStr = "Cannot create socket.";
351 logger("Canot create a socket: %s", strerror(errno));
352 printfd(__FILE__, "Cannot create socket\n");
358 //-----------------------------------------------------------------------------
359 bool REMOTE_SCRIPT::FinalizeNet()
364 //-----------------------------------------------------------------------------
365 void REMOTE_SCRIPT::PeriodicSend()
367 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
369 map<uint32_t, RS::USER>::iterator it(authorizedUsers.begin());
370 while (it != authorizedUsers.end())
372 if (difftime(stgTime, it->second.lastSentTime) - (rand() % halfPeriod) > sendPeriod)
374 Send(it->first, it->second);
379 //-----------------------------------------------------------------------------
381 bool REMOTE_SCRIPT::PreparePacket(char * buf, size_t, uint32_t ip, RS::USER & rsu, bool forceDisconnect) const
383 bool REMOTE_SCRIPT::PreparePacket(char * buf, size_t bufSize, uint32_t ip, RS::USER & rsu, bool forceDisconnect) const
386 RS::PACKET_HEADER packetHead;
388 memset(packetHead.padding, 0, sizeof(packetHead.padding));
389 strcpy((char*)packetHead.magic, RS_ID);
390 packetHead.protoVer[0] = '0';
391 packetHead.protoVer[1] = '2';
394 packetHead.packetType = RS_DISCONNECT_PACKET;
398 if (rsu.shortPacketsCount % MAX_SHORT_PCKT == 0)
401 packetHead.packetType = rsu.user->IsInetable() ? RS_CONNECT_PACKET : RS_DISCONNECT_PACKET;
406 packetHead.packetType = rsu.user->IsInetable() ? RS_ALIVE_PACKET : RS_DISCONNECT_PACKET;
409 rsu.shortPacketsCount++;
410 rsu.lastSentTime = stgTime;
412 packetHead.ip = htonl(ip);
413 packetHead.id = htonl(rsu.user->GetID());
414 strncpy((char*)packetHead.login, rsu.user->GetLogin().c_str(), RS_LOGIN_LEN);
415 packetHead.login[RS_LOGIN_LEN - 1] = 0;
417 memcpy(buf, &packetHead, sizeof(packetHead));
419 if (packetHead.packetType == RS_ALIVE_PACKET)
424 RS::PACKET_TAIL packetTail;
426 memset(packetTail.padding, 0, sizeof(packetTail.padding));
427 strcpy((char*)packetTail.magic, RS_ID);
428 vector<string>::const_iterator it;
430 for(it = rsSettings.GetUserParams().begin();
431 it != rsSettings.GetUserParams().end();
434 std::string parameter(GetUserParam(rsu.user, *it));
435 if (params.length() + parameter.length() > RS_PARAMS_LEN - 1)
437 params += parameter + " ";
439 strncpy((char *)packetTail.params, params.c_str(), RS_PARAMS_LEN);
440 packetTail.params[RS_PARAMS_LEN - 1] = 0;
442 assert(sizeof(packetHead) + sizeof(packetTail) <= bufSize && "Insufficient buffer space");
444 Encrypt(&ctx, buf + sizeof(packetHead), (char *)&packetTail, sizeof(packetTail) / 8);
448 //-----------------------------------------------------------------------------
449 bool REMOTE_SCRIPT::Send(uint32_t ip, RS::USER & rsu, bool forceDisconnect) const
451 char buffer[RS_MAX_PACKET_LEN];
453 memset(buffer, 0, sizeof(buffer));
455 if (PreparePacket(buffer, sizeof(buffer), ip, rsu, forceDisconnect))
457 printfd(__FILE__, "REMOTE_SCRIPT::Send() - Invalid packet length!\n");
464 PacketSender(sock, buffer, sizeof(buffer), htons(rsSettings.GetPort()))
469 //-----------------------------------------------------------------------------
470 bool REMOTE_SCRIPT::SendDirect(uint32_t ip, RS::USER & rsu, uint32_t routerIP, bool forceDisconnect) const
472 char buffer[RS_MAX_PACKET_LEN];
474 if (PreparePacket(buffer, sizeof(buffer), ip, rsu, forceDisconnect))
476 printfd(__FILE__, "REMOTE_SCRIPT::SendDirect() - Invalid packet length!\n");
480 struct sockaddr_in sendAddr;
482 sendAddr.sin_family = AF_INET;
483 sendAddr.sin_port = htons(rsSettings.GetPort());
484 sendAddr.sin_addr.s_addr = routerIP;
486 int res = sendto(sock, buffer, sizeof(buffer), 0, (struct sockaddr *)&sendAddr, sizeof(sendAddr));
489 logger("sendto error: %s", strerror(errno));
491 return (res != sizeof(buffer));
493 //-----------------------------------------------------------------------------
494 bool REMOTE_SCRIPT::GetUsers()
498 int h = users->OpenSearch();
499 assert(h && "USERS::OpenSearch is always correct");
501 while (!users->SearchNext(h, &u))
506 users->CloseSearch(h);
509 //-----------------------------------------------------------------------------
510 void REMOTE_SCRIPT::ChangedIP(USER_PTR u, uint32_t oldIP, uint32_t newIP)
513 * When ip changes process looks like:
519 RS::USER rsu(IP2Routers(newIP), u, *this);
522 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
523 authorizedUsers.insert(std::make_pair(newIP, rsu));
527 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
528 const map<uint32_t, RS::USER>::iterator it(
529 authorizedUsers.find(oldIP)
531 if (it != authorizedUsers.end())
533 Send(oldIP, it->second, true);
534 authorizedUsers.erase(it);
538 //-----------------------------------------------------------------------------
539 std::vector<uint32_t> REMOTE_SCRIPT::IP2Routers(uint32_t ip)
541 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
542 for (size_t i = 0; i < netRouters.size(); ++i)
544 if ((ip & netRouters[i].subnetMask) == (netRouters[i].subnetIP & netRouters[i].subnetMask))
546 return netRouters[i].routers;
549 return std::vector<uint32_t>();
551 //-----------------------------------------------------------------------------
552 string REMOTE_SCRIPT::GetUserParam(USER_PTR u, const string & paramName) const
555 if (strcasecmp(paramName.c_str(), "cash") == 0)
556 strprintf(&value, "%f", u->GetProperty().cash.Get());
558 if (strcasecmp(paramName.c_str(), "freeMb") == 0)
559 strprintf(&value, "%f", u->GetProperty().freeMb.Get());
561 if (strcasecmp(paramName.c_str(), "passive") == 0)
562 strprintf(&value, "%d", u->GetProperty().passive.Get());
564 if (strcasecmp(paramName.c_str(), "disabled") == 0)
565 strprintf(&value, "%d", u->GetProperty().disabled.Get());
567 if (strcasecmp(paramName.c_str(), "alwaysOnline") == 0)
568 strprintf(&value, "%d", u->GetProperty().alwaysOnline.Get());
570 if (strcasecmp(paramName.c_str(), "tariffName") == 0 ||
571 strcasecmp(paramName.c_str(), "tariff") == 0)
572 value = "\"" + u->GetProperty().tariffName.Get() + "\"";
574 if (strcasecmp(paramName.c_str(), "nextTariff") == 0)
575 value = "\"" + u->GetProperty().nextTariff.Get() + "\"";
577 if (strcasecmp(paramName.c_str(), "address") == 0)
578 value = "\"" + u->GetProperty().address.Get() + "\"";
580 if (strcasecmp(paramName.c_str(), "note") == 0)
581 value = "\"" + u->GetProperty().note.Get() + "\"";
583 if (strcasecmp(paramName.c_str(), "group") == 0)
584 value = "\"" + u->GetProperty().group.Get() + "\"";
586 if (strcasecmp(paramName.c_str(), "email") == 0)
587 value = "\"" + u->GetProperty().email.Get() + "\"";
589 if (strcasecmp(paramName.c_str(), "realName") == 0)
590 value = "\"" + u->GetProperty().realName.Get() + "\"";
592 if (strcasecmp(paramName.c_str(), "credit") == 0)
593 strprintf(&value, "%f", u->GetProperty().credit.Get());
595 if (strcasecmp(paramName.c_str(), "userdata0") == 0)
596 value = "\"" + u->GetProperty().userdata0.Get() + "\"";
598 if (strcasecmp(paramName.c_str(), "userdata1") == 0)
599 value = "\"" + u->GetProperty().userdata1.Get() + "\"";
601 if (strcasecmp(paramName.c_str(), "userdata2") == 0)
602 value = "\"" + u->GetProperty().userdata2.Get() + "\"";
604 if (strcasecmp(paramName.c_str(), "userdata3") == 0)
605 value = "\"" + u->GetProperty().userdata3.Get() + "\"";
607 if (strcasecmp(paramName.c_str(), "userdata4") == 0)
608 value = "\"" + u->GetProperty().userdata4.Get() + "\"";
610 if (strcasecmp(paramName.c_str(), "userdata5") == 0)
611 value = "\"" + u->GetProperty().userdata5.Get() + "\"";
613 if (strcasecmp(paramName.c_str(), "userdata6") == 0)
614 value = "\"" + u->GetProperty().userdata6.Get() + "\"";
616 if (strcasecmp(paramName.c_str(), "userdata7") == 0)
617 value = "\"" + u->GetProperty().userdata7.Get() + "\"";
619 if (strcasecmp(paramName.c_str(), "userdata8") == 0)
620 value = "\"" + u->GetProperty().userdata8.Get() + "\"";
622 if (strcasecmp(paramName.c_str(), "userdata9") == 0)
623 value = "\"" + u->GetProperty().userdata9.Get() + "\"";
625 if (strcasecmp(paramName.c_str(), "enabledDirs") == 0)
626 value = u->GetEnabledDirs();
628 printfd(__FILE__, "Unknown value name: %s\n", paramName.c_str());
631 //-----------------------------------------------------------------------------
632 void REMOTE_SCRIPT::SetUserNotifier(USER_PTR u)
634 ipNotifierList.push_front(RS::IP_NOTIFIER(*this, u));
636 u->AddCurrIPAfterNotifier(&(*ipNotifierList.begin()));
638 //-----------------------------------------------------------------------------
639 void REMOTE_SCRIPT::UnSetUserNotifier(USER_PTR u)
641 list<RS::IP_NOTIFIER>::iterator ipAIter;
642 std::list<list<RS::IP_NOTIFIER>::iterator> toErase;
644 for (ipAIter = ipNotifierList.begin(); ipAIter != ipNotifierList.end(); ++ipAIter)
646 if (ipAIter->GetUser() == u)
648 u->DelCurrIPAfterNotifier(&(*ipAIter));
649 toErase.push_back(ipAIter);
653 std::list<list<RS::IP_NOTIFIER>::iterator>::iterator eIter;
655 for (eIter = toErase.begin(); eIter != toErase.end(); ++eIter)
657 ipNotifierList.erase(*eIter);
660 //-----------------------------------------------------------------------------
661 void RS::IP_NOTIFIER::Notify(const uint32_t & oldValue, const uint32_t & newValue)
663 rs.ChangedIP(user, oldValue, newValue);
665 //-----------------------------------------------------------------------------
666 void RS::CONNECTED_NOTIFIER::Notify(const bool & /*oldValue*/, const bool & newValue)
669 rs.Send(user.ip, user, true);
671 //-----------------------------------------------------------------------------
672 void REMOTE_SCRIPT::InitEncrypt(BLOWFISH_CTX * ctx, const string & password) const
674 unsigned char keyL[PASSWD_LEN]; // Пароль для шифровки
675 memset(keyL, 0, PASSWD_LEN);
676 strncpy((char *)keyL, password.c_str(), PASSWD_LEN);
677 Blowfish_Init(ctx, keyL, PASSWD_LEN);
679 //-----------------------------------------------------------------------------
680 void REMOTE_SCRIPT::Encrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, size_t len8) const
683 memcpy(dst, src, len8 * 8);
684 for (size_t i = 0; i < len8; ++i)
685 Blowfish_Encrypt(ctx, (uint32_t *)(dst + i * 8), (uint32_t *)(dst + i * 8 + 4));
687 //-----------------------------------------------------------------------------