X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/3bc96b5ab820ee1c8317eb4256092e57beb9e0a3..186fb2b18b89a0280b8cc4b5ea8f7a59d3bd0853:/projects/stargazer/plugins/authorization/inetaccess/inetaccess.cpp diff --git a/projects/stargazer/plugins/authorization/inetaccess/inetaccess.cpp b/projects/stargazer/plugins/authorization/inetaccess/inetaccess.cpp index 81fc66e5..5a15a10a 100644 --- a/projects/stargazer/plugins/authorization/inetaccess/inetaccess.cpp +++ b/projects/stargazer/plugins/authorization/inetaccess/inetaccess.cpp @@ -30,12 +30,13 @@ #include #include -#include // usleep, close +#include // close #include #include #include // snprintf #include +#include #include #include "stg/common.h" @@ -46,16 +47,21 @@ #include "stg/plugin_creator.h" #include "inetaccess.h" -extern volatile const time_t stgTime; - -void InitEncrypt(BLOWFISH_CTX * ctx, const string & password); -void Decrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, int len8); -void Encrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, int len8); +extern volatile time_t stgTime; //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- +namespace +{ PLUGIN_CREATOR iac; + +void InitEncrypt(BLOWFISH_CTX * ctx, const std::string & password); +void Decrypt(BLOWFISH_CTX * ctx, void * dst, const void * src, size_t len8); +void Encrypt(BLOWFISH_CTX * ctx, void * dst, const void * src, size_t len8); +} + +extern "C" PLUGIN * GetPlugin(); //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- @@ -70,6 +76,7 @@ AUTH_IA_SETTINGS::AUTH_IA_SETTINGS() : userDelay(0), userTimeout(0), port(0), + errorStr(), freeMbShowType(freeMbCash) { } @@ -78,7 +85,7 @@ int AUTH_IA_SETTINGS::ParseSettings(const MODULE_SETTINGS & s) { int p; PARAM_VALUE pv; -vector::const_iterator pvi; +std::vector::const_iterator pvi; /////////////////////////// pv.param = "Port"; pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv); @@ -94,7 +101,7 @@ if (ParseIntInRange(pvi->value[0], 2, 65535, &p)) printfd(__FILE__, "Cannot parse parameter 'Port'\n"); return -1; } -port = p; +port = static_cast(p); /////////////////////////// pv.param = "UserDelay"; pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv); @@ -127,8 +134,19 @@ if (ParseIntInRange(pvi->value[0], 15, 1200, &userTimeout)) printfd(__FILE__, "Cannot parse parameter 'UserTimeout'\n"); return -1; } +/////////////////////////// +pv.param = "LogProtocolErrors"; +pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv); +if (pvi == s.moduleParams.end()) + logProtocolErrors = false; +else if (ParseYesNo(pvi->value[0], &logProtocolErrors)) + { + errorStr = "Cannot parse parameter \'LogProtocolErrors\': " + errorStr; + printfd(__FILE__, "Cannot parse parameter 'LogProtocolErrors'\n"); + return -1; + } ///////////////////////////////////////////////////////////// -string freeMbType; +std::string freeMbType; int n = 0; pv.param = "FreeMb"; pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv); @@ -173,13 +191,15 @@ return 0; #ifdef IA_PHASE_DEBUG IA_PHASE::IA_PHASE() : phase(1), + phaseTime(), flog(NULL) { gettimeofday(&phaseTime, NULL); } #else IA_PHASE::IA_PHASE() - : phase(1) + : phase(1), + phaseTime() { gettimeofday(&phaseTime, NULL); } @@ -295,15 +315,32 @@ return phaseTime; //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- AUTH_IA::AUTH_IA() - : nonstop(false), + : ctxS(), + errorStr(), + iaSettings(), + settings(), + nonstop(false), isRunningRun(false), isRunningRunTimeouter(false), users(NULL), stgSettings(NULL), + ip2user(), + recvThread(), + timeouterThread(), + mutex(), listenSocket(-1), - WriteServLog(GetStgLogger()), + connSynAck6(), + connSynAck8(), + disconnSynAck6(), + disconnSynAck8(), + aliveSyn6(), + aliveSyn8(), + fin6(), + fin8(), + packetTypes(), enabledDirs(0xFFffFFff), - onDelUserNotifier(*this) + onDelUserNotifier(*this), + logger(GetPluginLogger(GetStgLogger(), "auth_ia")) { InitEncrypt(&ctxS, "pr7Hhen"); @@ -373,6 +410,7 @@ if (!isRunningRun) { errorStr = "Cannot create thread."; printfd(__FILE__, "Cannot create recv thread\n"); + logger("Cannot create recv thread."); return -1; } } @@ -383,6 +421,7 @@ if (!isRunningRunTimeouter) { errorStr = "Cannot create thread."; printfd(__FILE__, "Cannot create timeouter thread\n"); + logger("Cannot create timeouter thread."); return -1; } } @@ -408,29 +447,8 @@ if (isRunningRun) //5 seconds to thread stops itself for (int i = 0; i < 25 && isRunningRun; i++) { - usleep(200000); - } - - //after 5 seconds waiting thread still running. now killing it - if (isRunningRun) - { - if (pthread_kill(recvThread, SIGINT)) - { - errorStr = "Cannot kill thread."; - printfd(__FILE__, "Cannot kill thread\n"); - return -1; - } - for (int i = 0; i < 25 && isRunningRun; ++i) - usleep(200000); - if (isRunningRun) - { - printfd(__FILE__, "Failed to stop recv thread\n"); - } - else - { - pthread_join(recvThread, NULL); - } - printfd(__FILE__, "AUTH_IA killed Run\n"); + struct timespec ts = {0, 200000000}; + nanosleep(&ts, NULL); } } @@ -441,37 +459,26 @@ if (isRunningRunTimeouter) //5 seconds to thread stops itself for (int i = 0; i < 25 && isRunningRunTimeouter; i++) { - usleep(200000); - } - - //after 5 seconds waiting thread still running. now killing it - if (isRunningRunTimeouter) - { - if (pthread_kill(timeouterThread, SIGINT)) - { - errorStr = "Cannot kill thread."; - return -1; - } - for (int i = 0; i < 25 && isRunningRunTimeouter; ++i) - usleep(200000); - if (isRunningRunTimeouter) - { - printfd(__FILE__, "Failed to stop timeouter thread\n"); - } - else - { - pthread_join(timeouterThread, NULL); - } - printfd(__FILE__, "AUTH_IA killed Timeouter\n"); + struct timespec ts = {0, 200000000}; + nanosleep(&ts, NULL); } } -printfd(__FILE__, "AUTH_IA::Stoped successfully.\n"); + users->DelNotifierUserDel(&onDelUserNotifier); + +if (isRunningRun || isRunningRunTimeouter) + return -1; + +printfd(__FILE__, "AUTH_IA::Stoped successfully.\n"); return 0; } //----------------------------------------------------------------------------- void * AUTH_IA::Run(void * d) { +sigset_t signalSet; +sigfillset(&signalSet); +pthread_sigmask(SIG_BLOCK, &signalSet, NULL); + AUTH_IA * ia = static_cast(d); ia->isRunningRun = true; @@ -486,7 +493,7 @@ while (ia->nonstop) if ((touchTime + MONITOR_TIME_DELAY_SEC <= stgTime) && ia->stgSettings->GetMonitoring()) { touchTime = stgTime; - string monFile = ia->stgSettings->GetMonitorDir() + "/inetaccess_r"; + std::string monFile = ia->stgSettings->GetMonitorDir() + "/inetaccess_r"; TouchFile(monFile.c_str()); } } @@ -497,15 +504,20 @@ return NULL; //----------------------------------------------------------------------------- void * AUTH_IA::RunTimeouter(void * d) { +sigset_t signalSet; +sigfillset(&signalSet); +pthread_sigmask(SIG_BLOCK, &signalSet, NULL); + AUTH_IA * ia = static_cast(d); ia->isRunningRunTimeouter = true; int a = -1; -string monFile = ia->stgSettings->GetMonitorDir() + "/inetaccess_t"; +std::string monFile = ia->stgSettings->GetMonitorDir() + "/inetaccess_t"; while (ia->nonstop) { - usleep(20000); + struct timespec ts = {0, 20000000}; + nanosleep(&ts, NULL); ia->Timeouter(); // TODO change counter to timer and MONITOR_TIME_DELAY_SEC if (++a % (50 * 60) == 0 && ia->stgSettings->GetMonitoring()) @@ -535,16 +547,18 @@ listenSocket = socket(AF_INET, SOCK_DGRAM, 0); if (listenSocket < 0) { errorStr = "Cannot create socket."; + logger("Cannot create a socket: %s", strerror(errno)); return -1; } listenAddr.sin_family = AF_INET; -listenAddr.sin_port = htons(iaSettings.GetUserPort()); +listenAddr.sin_port = htons(static_cast(iaSettings.GetUserPort())); listenAddr.sin_addr.s_addr = inet_addr("0.0.0.0"); if (bind(listenSocket, (struct sockaddr*)&listenAddr, sizeof(listenAddr)) < 0) { errorStr = "AUTH_IA: Bind failed."; + logger("Cannot bind the socket: %s", strerror(errno)); return -1; } @@ -566,7 +580,7 @@ if (!WaitPackets(listenSocket)) // Timeout struct sockaddr_in outerAddr; socklen_t outerAddrLen(sizeof(outerAddr)); -int dataLen = recvfrom(listenSocket, buffer, bufferSize, 0, (struct sockaddr *)&outerAddr, &outerAddrLen); +ssize_t dataLen = recvfrom(listenSocket, buffer, bufferSize, 0, (struct sockaddr *)&outerAddr, &outerAddrLen); if (!dataLen) // EOF { @@ -578,6 +592,7 @@ if (dataLen <= 0) // Error if (errno != EINTR) { printfd(__FILE__, "recvfrom res=%d, error: '%s'\n", dataLen, strerror(errno)); + logger("recvfrom error: %s", strerror(errno)); return -1; } return 0; @@ -586,8 +601,11 @@ if (dataLen <= 0) // Error if (dataLen > 256) return -1; +uint32_t sip = outerAddr.sin_addr.s_addr; +uint16_t sport = htons(outerAddr.sin_port); + int protoVer; -if (CheckHeader(buffer, &protoVer)) +if (CheckHeader(buffer, sip, &protoVer)) return -1; char login[PASSWD_LEN]; //TODO why PASSWD_LEN ? @@ -595,29 +613,29 @@ memset(login, 0, PASSWD_LEN); Decrypt(&ctxS, login, buffer + 8, PASSWD_LEN / 8); -uint32_t sip = outerAddr.sin_addr.s_addr; -uint16_t sport = htons(outerAddr.sin_port); - USER_PTR user; -if (users->FindByName(login, &user) == 0) +if (users->FindByName(login, &user)) { - WriteServLog("User's connect failed: user '%s' not found. IP %s", - login, - inet_ntostring(sip).c_str()); - printfd(__FILE__, "User %s NOT found!\n", login); + logger("User's connect failed: user '%s' not found. IP %s", + login, + inet_ntostring(sip).c_str()); + printfd(__FILE__, "User '%s' NOT found!\n", login); SendError(sip, sport, protoVer, "îÅÐÒÁ×ÉÌØÎÙÊ ÌÏÇÉÎ!"); + return -1; } printfd(__FILE__, "User '%s' FOUND!\n", user->GetLogin().c_str()); if (user->GetProperty().disabled.Get()) { + logger("Cannont authorize '%s', user is disabled.", login); SendError(sip, sport, protoVer, "õÞÅÔÎÁÑ ÚÁÐÉÓØ ÚÁÂÌÏËÉÒÏ×ÁÎÁ"); return 0; } if (user->GetProperty().passive.Get()) { + logger("Cannont authorize '%s', user is passive.", login); SendError(sip, sport, protoVer, "õÞÅÔÎÁÑ ÚÁÐÉÓØ ÚÁÍÏÒÏÖÅÎÁ"); return 0; } @@ -626,8 +644,8 @@ if (!user->GetProperty().ips.Get().IsIPInIPS(sip)) { printfd(__FILE__, "User %s. IP address is incorrect. IP %s\n", user->GetLogin().c_str(), inet_ntostring(sip).c_str()); - WriteServLog("User %s. IP address is incorrect. IP %s", - user->GetLogin().c_str(), inet_ntostring(sip).c_str()); + logger("User %s. IP address is incorrect. IP %s", + user->GetLogin().c_str(), inet_ntostring(sip).c_str()); SendError(sip, sport, protoVer, "ðÏÌØÚÏ×ÁÔÅÌØ ÎÅ ÏÐÏÚÎÁÎ! ðÒÏ×ÅÒØÔÅ IP ÁÄÒÅÓ."); return 0; } @@ -635,12 +653,14 @@ if (!user->GetProperty().ips.Get().IsIPInIPS(sip)) return PacketProcessor(buffer, dataLen, sip, sport, protoVer, user); } //----------------------------------------------------------------------------- -int AUTH_IA::CheckHeader(const char * buffer, int * protoVer) +int AUTH_IA::CheckHeader(const char * buffer, uint32_t sip, int * protoVer) { if (strncmp(IA_ID, buffer, strlen(IA_ID)) != 0) { //SendError(userIP, updateMsg); printfd(__FILE__, "update needed - IA_ID\n"); + if (iaSettings.LogProtocolErrors()) + logger("IP: %s. Header: invalid packed signature.", inet_ntostring(sip).c_str()); //SendError(userIP, "Incorrect header!"); return -1; } @@ -648,6 +668,8 @@ if (strncmp(IA_ID, buffer, strlen(IA_ID)) != 0) if (buffer[6] != 0) //proto[0] shoud be 0 { printfd(__FILE__, "update needed - PROTO major: %d\n", buffer[6]); + if (iaSettings.LogProtocolErrors()) + logger("IP: %s. Header: invalid protocol major version: %d.", inet_ntostring(sip).c_str(), buffer[6]); //SendError(userIP, updateMsg); return -1; } @@ -657,6 +679,8 @@ if (buffer[7] < 6) // need update //SendError(userIP, updateMsg); printfd(__FILE__, "update needed - PROTO minor: %d\n", buffer[7]); + if (iaSettings.LogProtocolErrors()) + logger("IP: %s. Header: invalid protocol minor version: %d.", inet_ntostring(sip).c_str(), buffer[7]); return -1; } else @@ -670,7 +694,7 @@ int AUTH_IA::Timeouter() { STG_LOCKER lock(&mutex, __FILE__, __LINE__); -map::iterator it; +std::map::iterator it; it = ip2user.begin(); uint32_t sip; @@ -684,6 +708,8 @@ while (it != ip2user.end()) if ((it->second.phase.GetPhase() == 2) && (currTime - it->second.phase.GetTime()) > iaSettings.GetUserDelay()) { + if (iaSettings.LogProtocolErrors()) + logger("User '%s'. Protocol version: %d. Phase 2: connect request timeout (%f > %d).", it->second.login.c_str(), it->second.protoVer, (currTime - it->second.phase.GetTime()).AsDouble(), iaSettings.GetUserDelay()); it->second.phase.SetPhase1(); printfd(__FILE__, "Phase changed from 2 to 1. Reason: timeout\n"); ip2user.erase(it++); @@ -726,6 +752,8 @@ while (it != ip2user.end()) if ((currTime - it->second.phase.GetTime()) > iaSettings.GetUserTimeout()) { + if (iaSettings.LogProtocolErrors()) + logger("User '%s'. Protocol version: %d. Phase 3: alive timeout (%f > %d).", it->second.login.c_str(), it->second.protoVer, (currTime - it->second.phase.GetTime()).AsDouble(), iaSettings.GetUserTimeout()); users->Unauthorize(it->second.user->GetLogin(), this); ip2user.erase(it++); continue; @@ -735,6 +763,8 @@ while (it != ip2user.end()) if ((it->second.phase.GetPhase() == 4) && ((currTime - it->second.phase.GetTime()) > iaSettings.GetUserDelay())) { + if (iaSettings.LogProtocolErrors()) + logger("User '%s'. Protocol version: %d. Phase 4: disconnect request timeout (%f > %d).", it->second.login.c_str(), it->second.protoVer, (currTime - it->second.phase.GetTime()).AsDouble(), iaSettings.GetUserDelay()); it->second.phase.SetPhase3(); printfd(__FILE__, "Phase changed from 4 to 3. Reason: timeout\n"); } @@ -745,13 +775,13 @@ while (it != ip2user.end()) return 0; } //----------------------------------------------------------------------------- -int AUTH_IA::PacketProcessor(char * buff, int dataLen, uint32_t sip, uint16_t sport, int protoVer, USER_PTR user) +int AUTH_IA::PacketProcessor(void * buff, size_t dataLen, uint32_t sip, uint16_t sport, int protoVer, USER_PTR user) { std::string login(user->GetLogin()); -const int offset = LOGIN_LEN + 2 + 6; // LOGIN_LEN + sizeOfMagic + sizeOfVer; +const size_t offset = LOGIN_LEN + 2 + 6; // LOGIN_LEN + sizeOfMagic + sizeOfVer; STG_LOCKER lock(&mutex, __FILE__, __LINE__); -map::iterator it(ip2user.find(sip)); +std::map::iterator it(ip2user.find(sip)); if (it == ip2user.end()) { @@ -764,10 +794,10 @@ if (it == ip2user.end()) userPtr->GetLogin().c_str(), inet_ntostring(sip).c_str(), login.c_str()); - WriteServLog("IP address already in use by user '%s'. IP %s, login: '%s'", - userPtr->GetLogin().c_str(), - inet_ntostring(sip).c_str(), - login.c_str()); + logger("IP address is already in use by user '%s'. IP %s, login: '%s'", + userPtr->GetLogin().c_str(), + inet_ntostring(sip).c_str(), + login.c_str()); SendError(sip, sport, protoVer, "÷ÁÛ IP ÁÄÒÅÓ ÕÖÅ ÉÓÐÏÌØÚÕÅÔÓÑ!"); return 0; } @@ -775,22 +805,13 @@ if (it == ip2user.end()) printfd(__FILE__, "Add new user '%s' from ip %s\n", login.c_str(), inet_ntostring(sip).c_str()); - ip2user[sip].login = login; - ip2user[sip].user = user; - ip2user[sip].protoVer = protoVer; - ip2user[sip].port = sport; + std::pair::iterator, bool> res; + res = ip2user.insert(std::make_pair(sip, IA_USER(login, user, sport, protoVer))); + it = res.first; #ifdef IA_PHASE_DEBUG - ip2user[sip].phase.SetLogFileName(stgSettings->GetLogFileName()); - ip2user[sip].phase.SetUserLogin(login); + it->second.phase.SetLogFileName(stgSettings->GetLogFileName()); + it->second.phase.SetUserLogin(login); #endif - - - it = ip2user.find(sip); //TODO - if (it == ip2user.end()) - { - printfd(__FILE__, "+++ ERROR +++\n"); - return -1; - } } else if (user->GetID() != it->second.user->GetID()) { @@ -798,40 +819,36 @@ else if (user->GetID() != it->second.user->GetID()) it->second.user->GetLogin().c_str(), inet_ntostring(sip).c_str(), user->GetLogin().c_str()); - WriteServLog("IP address already in use by user '%s'. IP %s, login: '%s'", - it->second.user->GetLogin().c_str(), - inet_ntostring(sip).c_str(), - user->GetLogin().c_str()); + logger("IP address is already in use by user '%s'. IP %s, login: '%s'", + it->second.user->GetLogin().c_str(), + inet_ntostring(sip).c_str(), + user->GetLogin().c_str()); SendError(sip, sport, protoVer, "÷ÁÛ IP ÁÄÒÅÓ ÕÖÅ ÉÓÐÏÌØÚÕÅÔÓÑ!"); return 0; } IA_USER * iaUser = &(it->second); -if (iaUser->port != sport) - iaUser->port = sport; - if (iaUser->password != user->GetProperty().password.Get()) { InitEncrypt(&iaUser->ctx, user->GetProperty().password.Get()); iaUser->password = user->GetProperty().password.Get(); } -buff += offset; -Decrypt(&iaUser->ctx, buff, buff, (dataLen - offset) / 8); +Decrypt(&iaUser->ctx, static_cast(buff) + offset, static_cast(buff) + offset, (dataLen - offset) / 8); char packetName[IA_MAX_TYPE_LEN]; -strncpy(packetName, buff + 4, IA_MAX_TYPE_LEN); +strncpy(packetName, static_cast(buff) + offset + 4, IA_MAX_TYPE_LEN); packetName[IA_MAX_TYPE_LEN - 1] = 0; -map::iterator pi(packetTypes.find(packetName)); +std::map::iterator pi(packetTypes.find(packetName)); if (pi == packetTypes.end()) { SendError(sip, sport, protoVer, "îÅÐÒÁ×ÉÌØÎÙÊ ÌÏÇÉÎ ÉÌÉ ÐÁÒÏÌØ!"); printfd(__FILE__, "Login or password is wrong!\n"); - WriteServLog("User's connect failed. User: '%s', ip %s. Wrong login or password", - login.c_str(), - inet_ntostring(sip).c_str()); + logger("User's connect failed. User: '%s', ip %s. Wrong login or password", + login.c_str(), + inet_ntostring(sip).c_str()); ip2user.erase(it); return 0; } @@ -841,10 +858,10 @@ if (user->IsAuthorizedBy(this) && user->GetCurrIP() != sip) printfd(__FILE__, "Login %s already in use from ip %s. IP %s\n", login.c_str(), inet_ntostring(user->GetCurrIP()).c_str(), inet_ntostring(sip).c_str()); - WriteServLog("Login %s already in use from ip %s. IP %s", - login.c_str(), - inet_ntostring(user->GetCurrIP()).c_str(), - inet_ntostring(sip).c_str()); + logger("Login '%s' is already in use from ip %s. IP %s", + login.c_str(), + inet_ntostring(user->GetCurrIP()).c_str(), + inet_ntostring(sip).c_str()); SendError(sip, sport, protoVer, "÷ÁÛ ÌÏÇÉÎ ÕÖÅ ÉÓÐÏÌØÚÕÅÔÓÑ!"); ip2user.erase(it); return 0; @@ -856,15 +873,15 @@ switch (pi->second) switch (protoVer) { case 6: - if (Process_CONN_SYN_6((CONN_SYN_6 *)(buff - offset), &(it->second), sip)) + if (Process_CONN_SYN_6(static_cast(buff), &(it->second), sip)) return -1; return Send_CONN_SYN_ACK_6(iaUser, sip); case 7: - if (Process_CONN_SYN_7((CONN_SYN_7 *)(buff - offset), &(it->second), sip)) + if (Process_CONN_SYN_7(static_cast(buff), &(it->second), sip)) return -1; return Send_CONN_SYN_ACK_7(iaUser, sip); case 8: - if (Process_CONN_SYN_8((CONN_SYN_8 *)(buff - offset), &(it->second), sip)) + if (Process_CONN_SYN_8(static_cast(buff), &(it->second), sip)) return -1; return Send_CONN_SYN_ACK_8(iaUser, sip); } @@ -874,15 +891,15 @@ switch (pi->second) switch (protoVer) { case 6: - if (Process_CONN_ACK_6((CONN_ACK_6 *)(buff - offset), iaUser, sip)) + if (Process_CONN_ACK_6(static_cast(buff), iaUser, sip)) return -1; return Send_ALIVE_SYN_6(iaUser, sip); case 7: - if (Process_CONN_ACK_7((CONN_ACK_6 *)(buff - offset), iaUser, sip)) + if (Process_CONN_ACK_7(static_cast(buff), iaUser, sip)) return -1; return Send_ALIVE_SYN_7(iaUser, sip); case 8: - if (Process_CONN_ACK_8((CONN_ACK_8 *)(buff - offset), iaUser, sip)) + if (Process_CONN_ACK_8(static_cast(buff), iaUser, sip)) return -1; return Send_ALIVE_SYN_8(iaUser, sip); } @@ -892,11 +909,11 @@ switch (pi->second) switch (protoVer) { case 6: - return Process_ALIVE_ACK_6((ALIVE_ACK_6 *)(buff - offset), iaUser, sip); + return Process_ALIVE_ACK_6(static_cast(buff), iaUser, sip); case 7: - return Process_ALIVE_ACK_7((ALIVE_ACK_6 *)(buff - offset), iaUser, sip); + return Process_ALIVE_ACK_7(static_cast(buff), iaUser, sip); case 8: - return Process_ALIVE_ACK_8((ALIVE_ACK_8 *)(buff - offset), iaUser, sip); + return Process_ALIVE_ACK_8(static_cast(buff), iaUser, sip); } break; @@ -904,15 +921,15 @@ switch (pi->second) switch (protoVer) { case 6: - if (Process_DISCONN_SYN_6((DISCONN_SYN_6 *)(buff - offset), iaUser, sip)) + if (Process_DISCONN_SYN_6(static_cast(buff), iaUser, sip)) return -1; return Send_DISCONN_SYN_ACK_6(iaUser, sip); case 7: - if (Process_DISCONN_SYN_7((DISCONN_SYN_6 *)(buff - offset), iaUser, sip)) + if (Process_DISCONN_SYN_7(static_cast(buff), iaUser, sip)) return -1; return Send_DISCONN_SYN_ACK_7(iaUser, sip); case 8: - if (Process_DISCONN_SYN_8((DISCONN_SYN_8 *)(buff - offset), iaUser, sip)) + if (Process_DISCONN_SYN_8(static_cast(buff), iaUser, sip)) return -1; return Send_DISCONN_SYN_ACK_8(iaUser, sip); } @@ -922,15 +939,15 @@ switch (pi->second) switch (protoVer) { case 6: - if (Process_DISCONN_ACK_6((DISCONN_ACK_6 *)(buff - offset), iaUser, sip, it)) + if (Process_DISCONN_ACK_6(static_cast(buff), iaUser, sip, it)) return -1; return Send_FIN_6(iaUser, sip, it); case 7: - if (Process_DISCONN_ACK_7((DISCONN_ACK_6 *)(buff - offset), iaUser, sip, it)) + if (Process_DISCONN_ACK_7(static_cast(buff), iaUser, sip, it)) return -1; return Send_FIN_7(iaUser, sip, it); case 8: - if (Process_DISCONN_ACK_8((DISCONN_ACK_8 *)(buff - offset), iaUser, sip, it)) + if (Process_DISCONN_ACK_8(static_cast(buff), iaUser, sip, it)) return -1; return Send_FIN_8(iaUser, sip, it); } @@ -948,7 +965,7 @@ uint32_t ip = u->GetCurrIP(); if (!ip) return; -map::iterator it; +std::map::iterator it; STG_LOCKER lock(&mutex, __FILE__, __LINE__); it = ip2user.find(ip); @@ -967,12 +984,12 @@ if (it->second.user == u) } } //----------------------------------------------------------------------------- -int AUTH_IA::SendError(uint32_t ip, uint16_t port, int protoVer, const string & text) +int AUTH_IA::SendError(uint32_t ip, uint16_t port, int protoVer, const std::string & text) { struct sockaddr_in sendAddr; +ssize_t res; switch (protoVer) { - int res; case 6: case 7: ERR err; @@ -1018,7 +1035,7 @@ switch (protoVer) return 0; } //----------------------------------------------------------------------------- -int AUTH_IA::Send(uint32_t ip, uint16_t port, const char * buffer, int len) +int AUTH_IA::Send(uint32_t ip, uint16_t port, const char * buffer, size_t len) { struct sockaddr_in sendAddr; @@ -1026,12 +1043,7 @@ sendAddr.sin_family = AF_INET; sendAddr.sin_port = htons(port); sendAddr.sin_addr.s_addr = ip; -int res = sendto(listenSocket, buffer, len, 0, (struct sockaddr*)&sendAddr, sizeof(sendAddr)); - -static struct timeval tv; -gettimeofday(&tv, NULL); - -if (res == len) +if (sendto(listenSocket, buffer, len, 0, (struct sockaddr*)&sendAddr, sizeof(sendAddr)) == static_cast(len)) return 0; return -1; @@ -1041,7 +1053,7 @@ int AUTH_IA::SendMessage(const STG_MSG & msg, uint32_t ip) const { printfd(__FILE__, "SendMessage userIP=%s\n", inet_ntostring(ip).c_str()); -map::iterator it; +std::map::iterator it; STG_LOCKER lock(&mutex, __FILE__, __LINE__); it = ip2user.find(ip); @@ -1087,8 +1099,8 @@ memset(&info, 0, sizeof(INFO_7)); info.len = 264; strncpy((char*)info.type, "INFO_7", 16); -info.infoType = msg.header.type; -info.showTime = msg.header.showTime; +info.infoType = static_cast(msg.header.type); +info.showTime = static_cast(msg.header.showTime); info.sendTime = msg.header.creationTime; size_t len = info.len; @@ -1116,8 +1128,8 @@ memset(&info, 0, sizeof(INFO_8)); info.len = 1056; strncpy((char*)info.type, "INFO_8", 16); -info.infoType = msg.header.type; -info.showTime = msg.header.showTime; +info.infoType = static_cast(msg.header.type); +info.showTime = static_cast(msg.header.showTime); info.sendTime = msg.header.creationTime; strncpy((char*)info.text, msg.text.c_str(), IA_MAX_MSG_LEN_8 - 1); @@ -1170,7 +1182,7 @@ SwapBytes(connAck->len); SwapBytes(connAck->rnd); #endif printfd( __FILE__, "CONN_ACK_6 %s\n", connAck->type); -// ÕÓÔÁÎÏ×ÉÔØ ÎÏ×ÕÀ ÆÁÚÕ É ×ÒÅÍÑ É ÒÁÚÒÅÛÉÔØ ÉÎÅÔ + if ((iaUser->phase.GetPhase() == 2) && (connAck->rnd == iaUser->rnd + 1)) { iaUser->phase.UpdateTime(); @@ -1185,6 +1197,8 @@ if ((iaUser->phase.GetPhase() == 2) && (connAck->rnd == iaUser->rnd + 1)) else { errorStr = iaUser->user->GetStrError(); + if (iaSettings.LogProtocolErrors()) + logger("IP: %s. User '%s'. Protocol version: %d. CONN_ACK: phase 2, authorization error ('%s').", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, errorStr.c_str()); iaUser->phase.SetPhase1(); ip2user.erase(sip); printfd(__FILE__, "Phase changed from 2 to 1. Reason: failed to authorize user\n"); @@ -1192,6 +1206,13 @@ if ((iaUser->phase.GetPhase() == 2) && (connAck->rnd == iaUser->rnd + 1)) } } printfd(__FILE__, "Invalid phase or control number. Phase: %d. Control number: %d\n", iaUser->phase.GetPhase(), connAck->rnd); +if (iaSettings.LogProtocolErrors()) + { + if (iaUser->phase.GetPhase() != 2) + logger("IP: %s. User '%s'. Protocol version: %d. CONN_ACK: invalid phase, expected 2, got %d.", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, iaUser->phase.GetPhase()); + if (connAck->rnd != iaUser->rnd + 1) + logger("IP: %s. User '%s'. Protocol version: %d. CONN_ACK: invalid control number, expected %d, got %d.", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, (iaUser->rnd + 1), connAck->rnd); + } return -1; } //----------------------------------------------------------------------------- @@ -1221,6 +1242,8 @@ if ((iaUser->phase.GetPhase() == 2) && (connAck->rnd == iaUser->rnd + 1)) else { errorStr = iaUser->user->GetStrError(); + if (iaSettings.LogProtocolErrors()) + logger("IP: %s. User '%s'. Protocol version: %d. CONN_ACK: phase 2, authorization error ('%s').", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, errorStr.c_str()); iaUser->phase.SetPhase1(); ip2user.erase(sip); printfd(__FILE__, "Phase changed from 2 to 1. Reason: failed to authorize user\n"); @@ -1228,6 +1251,13 @@ if ((iaUser->phase.GetPhase() == 2) && (connAck->rnd == iaUser->rnd + 1)) } } printfd(__FILE__, "Invalid phase or control number. Phase: %d. Control number: %d\n", iaUser->phase.GetPhase(), connAck->rnd); +if (iaSettings.LogProtocolErrors()) + { + if (iaUser->phase.GetPhase() != 2) + logger("IP: %s. User '%s'. Protocol version: %d. CONN_ACK: invalid phase, expected 2, got %d.", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, iaUser->phase.GetPhase()); + if (connAck->rnd != iaUser->rnd + 1) + logger("IP: %s. User '%s'. Protocol version: %d. CONN_ACK: invalid control number, expected %d, got %d.", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, (iaUser->rnd + 1), connAck->rnd); + } return -1; } //----------------------------------------------------------------------------- @@ -1270,11 +1300,13 @@ if ((iaUser->phase.GetPhase() == 3) && (aliveAck->rnd == iaUser->rnd + 1)) return 0; } //----------------------------------------------------------------------------- -int AUTH_IA::Process_DISCONN_SYN_6(DISCONN_SYN_6 *, IA_USER * iaUser, uint32_t) +int AUTH_IA::Process_DISCONN_SYN_6(DISCONN_SYN_6 *, IA_USER * iaUser, uint32_t sip) { printfd(__FILE__, "DISCONN_SYN_6\n"); if (iaUser->phase.GetPhase() != 3) { + if (iaSettings.LogProtocolErrors()) + logger("IP: %s. User '%s'. Protocol version: %d. DISCONN_SYN: invalid phase, expected 3, got %d.", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, iaUser->phase.GetPhase()); printfd(__FILE__, "Invalid phase. Expected 3, actual %d\n", iaUser->phase.GetPhase()); errorStr = "Incorrect request DISCONN_SYN"; return -1; @@ -1291,10 +1323,12 @@ int AUTH_IA::Process_DISCONN_SYN_7(DISCONN_SYN_7 * disconnSyn, IA_USER * iaUser, return Process_DISCONN_SYN_6(disconnSyn, iaUser, sip); } //----------------------------------------------------------------------------- -int AUTH_IA::Process_DISCONN_SYN_8(DISCONN_SYN_8 *, IA_USER * iaUser, uint32_t) +int AUTH_IA::Process_DISCONN_SYN_8(DISCONN_SYN_8 *, IA_USER * iaUser, uint32_t sip) { if (iaUser->phase.GetPhase() != 3) { + if (iaSettings.LogProtocolErrors()) + logger("IP: %s. User '%s'. Protocol version: %d. DISCONN_SYN: invalid phase, expected 3, got %d.", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, iaUser->phase.GetPhase()); errorStr = "Incorrect request DISCONN_SYN"; printfd(__FILE__, "Invalid phase. Expected 3, actual %d\n", iaUser->phase.GetPhase()); return -1; @@ -1308,8 +1342,8 @@ return 0; //----------------------------------------------------------------------------- int AUTH_IA::Process_DISCONN_ACK_6(DISCONN_ACK_6 * disconnAck, IA_USER * iaUser, - uint32_t, - map::iterator) + uint32_t sip, + std::map::iterator) { #ifdef ARCH_BE SwapBytes(disconnAck->len); @@ -1318,6 +1352,13 @@ SwapBytes(disconnAck->rnd); printfd(__FILE__, "DISCONN_ACK_6\n"); if (!((iaUser->phase.GetPhase() == 4) && (disconnAck->rnd == iaUser->rnd + 1))) { + if (iaSettings.LogProtocolErrors()) + { + if (iaUser->phase.GetPhase() != 4) + logger("IP: %s. User '%s'. Protocol version: %d. DISCONN_ACK: invalid phase, expected 4, got %d.", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, iaUser->phase.GetPhase()); + if (disconnAck->rnd != iaUser->rnd + 1) + logger("IP: %s. User '%s'. Protocol version: %d. DISCONN_ACK: invalid control number, expected %d, got %d.", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, (iaUser->rnd + 1), disconnAck->rnd); + } printfd(__FILE__, "Invalid phase or control number. Phase: %d. Control number: %d\n", iaUser->phase.GetPhase(), disconnAck->rnd); return -1; } @@ -1325,12 +1366,12 @@ if (!((iaUser->phase.GetPhase() == 4) && (disconnAck->rnd == iaUser->rnd + 1))) return 0; } //----------------------------------------------------------------------------- -int AUTH_IA::Process_DISCONN_ACK_7(DISCONN_ACK_7 * disconnAck, IA_USER * iaUser, uint32_t sip, map::iterator it) +int AUTH_IA::Process_DISCONN_ACK_7(DISCONN_ACK_7 * disconnAck, IA_USER * iaUser, uint32_t sip, std::map::iterator it) { return Process_DISCONN_ACK_6(disconnAck, iaUser, sip, it); } //----------------------------------------------------------------------------- -int AUTH_IA::Process_DISCONN_ACK_8(DISCONN_ACK_8 * disconnAck, IA_USER * iaUser, uint32_t, map::iterator) +int AUTH_IA::Process_DISCONN_ACK_8(DISCONN_ACK_8 * disconnAck, IA_USER * iaUser, uint32_t sip, std::map::iterator) { #ifdef ARCH_BE SwapBytes(disconnAck->len); @@ -1339,6 +1380,13 @@ SwapBytes(disconnAck->rnd); printfd(__FILE__, "DISCONN_ACK_8\n"); if (!((iaUser->phase.GetPhase() == 4) && (disconnAck->rnd == iaUser->rnd + 1))) { + if (iaSettings.LogProtocolErrors()) + { + if (iaUser->phase.GetPhase() != 4) + logger("IP: %s. User '%s'. Protocol version: %d. DISCONN_ACK: invalid phase, expected 4, got %d.", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, iaUser->phase.GetPhase()); + if (disconnAck->rnd != iaUser->rnd + 1) + logger("IP: %s. User '%s'. Protocol version: %d. DISCONN_ACK: invalid control number, expected %d, got %d.", inet_ntostring(sip).c_str(), iaUser->login.c_str(), iaUser->protoVer, (iaUser->rnd + 1), disconnAck->rnd); + } printfd(__FILE__, "Invalid phase or control number. Phase: %d. Control number: %d\n", iaUser->phase.GetPhase(), disconnAck->rnd); return -1; } @@ -1362,7 +1410,7 @@ for (int j = 0; j < DIR_NUM; j++) } //--- Fill static data in connSynAck --- -iaUser->rnd = random(); +iaUser->rnd = static_cast(random()); connSynAck6.rnd = iaUser->rnd; connSynAck6.userTimeOut = iaSettings.GetUserTimeout(); @@ -1404,7 +1452,7 @@ for (int j = 0; j < DIR_NUM; j++) } //--- Fill static data in connSynAck --- -iaUser->rnd = random(); +iaUser->rnd = static_cast(random()); connSynAck8.rnd = iaUser->rnd; connSynAck8.userTimeOut = iaSettings.GetUserTimeout(); @@ -1424,7 +1472,7 @@ return Send(sip, iaUser->port, (char*)&connSynAck8, Min8(sizeof(CONN_SYN_ACK_8)) int AUTH_IA::Send_ALIVE_SYN_6(IA_USER * iaUser, uint32_t sip) { aliveSyn6.len = Min8(sizeof(ALIVE_SYN_6)); -aliveSyn6.rnd = iaUser->rnd = random(); +aliveSyn6.rnd = iaUser->rnd = static_cast(random()); strcpy((char*)aliveSyn6.type, "ALIVE_SYN"); @@ -1447,8 +1495,8 @@ if (dn < DIR_NUM) aliveSyn6.md[dn], dn, stgTime); - p *= (1024 * 1024); - if (p == 0) + p *= 1024 * 1024; + if (std::fabs(p) < 1.0e-3) { snprintf((char*)aliveSyn6.freeMb, IA_FREEMB_LEN, "---"); } @@ -1514,7 +1562,7 @@ aliveSyn8.hdr.protoVer[0] = 0; aliveSyn8.hdr.protoVer[1] = 8; aliveSyn8.len = Min8(sizeof(ALIVE_SYN_8)); -aliveSyn8.rnd = iaUser->rnd = random(); +aliveSyn8.rnd = iaUser->rnd = static_cast(random()); strcpy((char*)aliveSyn8.type, "ALIVE_SYN"); @@ -1537,8 +1585,8 @@ if (dn < DIR_NUM) aliveSyn8.md[dn], dn, stgTime); - p *= (1024 * 1024); - if (p == 0) + p *= 1024 * 1024; + if (std::fabs(p) < 1.0e-3) { snprintf((char*)aliveSyn8.freeMb, IA_FREEMB_LEN, "---"); } @@ -1599,7 +1647,7 @@ int AUTH_IA::Send_DISCONN_SYN_ACK_6(IA_USER * iaUser, uint32_t sip) { disconnSynAck6.len = Min8(sizeof(DISCONN_SYN_ACK_6)); strcpy((char*)disconnSynAck6.type, "DISCONN_SYN_ACK"); -disconnSynAck6.rnd = iaUser->rnd = random(); +disconnSynAck6.rnd = iaUser->rnd = static_cast(random()); #ifdef ARCH_BE SwapBytes(disconnSynAck6.len); @@ -1623,7 +1671,7 @@ disconnSynAck8.hdr.protoVer[1] = 8; disconnSynAck8.len = Min8(sizeof(DISCONN_SYN_ACK_8)); strcpy((char*)disconnSynAck8.type, "DISCONN_SYN_ACK"); -disconnSynAck8.rnd = iaUser->rnd = random(); +disconnSynAck8.rnd = iaUser->rnd = static_cast(random()); #ifdef ARCH_BE SwapBytes(disconnSynAck8.len); @@ -1634,7 +1682,7 @@ Encrypt(&iaUser->ctx, (char*)&disconnSynAck8, (char*)&disconnSynAck8, Min8(sizeo return Send(sip, iaUser->port, (char*)&disconnSynAck8, Min8(sizeof(disconnSynAck8))); } //----------------------------------------------------------------------------- -int AUTH_IA::Send_FIN_6(IA_USER * iaUser, uint32_t sip, map::iterator it) +int AUTH_IA::Send_FIN_6(IA_USER * iaUser, uint32_t sip, std::map::iterator it) { fin6.len = Min8(sizeof(FIN_6)); strcpy((char*)fin6.type, "FIN"); @@ -1647,17 +1695,20 @@ SwapBytes(fin6.len); Encrypt(&iaUser->ctx, (char*)&fin6, (char*)&fin6, Min8(sizeof(fin6))/8); users->Unauthorize(iaUser->login, this); + +int res = Send(sip, iaSettings.GetUserPort(), (char*)&fin6, Min8(sizeof(fin6))); + ip2user.erase(it); -return Send(sip, iaSettings.GetUserPort(), (char*)&fin6, Min8(sizeof(fin6))); +return res; } //----------------------------------------------------------------------------- -int AUTH_IA::Send_FIN_7(IA_USER * iaUser, uint32_t sip, map::iterator it) +int AUTH_IA::Send_FIN_7(IA_USER * iaUser, uint32_t sip, std::map::iterator it) { return Send_FIN_6(iaUser, sip, it); } //----------------------------------------------------------------------------- -int AUTH_IA::Send_FIN_8(IA_USER * iaUser, uint32_t sip, map::iterator it) +int AUTH_IA::Send_FIN_8(IA_USER * iaUser, uint32_t sip, std::map::iterator it) { strcpy((char*)fin8.hdr.magic, IA_ID); fin8.hdr.protoVer[0] = 0; @@ -1674,13 +1725,18 @@ SwapBytes(fin8.len); Encrypt(&iaUser->ctx, (char*)&fin8, (char*)&fin8, Min8(sizeof(fin8))/8); users->Unauthorize(iaUser->login, this); + +int res = Send(sip, iaUser->port, (char*)&fin8, Min8(sizeof(fin8))); + ip2user.erase(it); -return Send(sip, iaUser->port, (char*)&fin8, Min8(sizeof(fin8))); +return res; } +namespace +{ //----------------------------------------------------------------------------- inline -void InitEncrypt(BLOWFISH_CTX * ctx, const string & password) +void InitEncrypt(BLOWFISH_CTX * ctx, const std::string & password) { unsigned char keyL[PASSWD_LEN]; memset(keyL, 0, PASSWD_LEN); @@ -1689,15 +1745,17 @@ Blowfish_Init(ctx, keyL, PASSWD_LEN); } //----------------------------------------------------------------------------- inline -void Decrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, int len8) +void Decrypt(BLOWFISH_CTX * ctx, void * dst, const void * src, size_t len8) { -for (int i = 0; i < len8; i++) - DecodeString(dst + i * 8, src + i * 8, ctx); +for (size_t i = 0; i < len8; i++) + DecodeString(static_cast(dst) + i * 8, static_cast(src) + i * 8, ctx); } //----------------------------------------------------------------------------- inline -void Encrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, int len8) +void Encrypt(BLOWFISH_CTX * ctx, void * dst, const void * src, size_t len8) { -for (int i = 0; i < len8; i++) - EncodeString(dst + i * 8, src + i * 8, ctx); +for (size_t i = 0; i < len8; i++) + EncodeString(static_cast(dst) + i * 8, static_cast(src) + i * 8, ctx); +} +//----------------------------------------------------------------------------- }