--- /dev/null
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include "inetaccess.h"
+
+#include "stg/common.h"
+#include "stg/locker.h"
+#include "stg/tariff.h"
+#include "stg/settings.h"
+
+#include <algorithm>
+#include <csignal>
+#include <cstdlib>
+#include <cstdio> // snprintf
+#include <cerrno>
+#include <cmath>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <unistd.h> // close
+
+#define IA_PROTO_VER (6)
+
+extern volatile time_t stgTime;
+
+extern "C" STG::Plugin* GetPlugin()
+{
+ static AUTH_IA plugin;
+ return &plugin;
+}
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+AUTH_IA_SETTINGS::AUTH_IA_SETTINGS()
+ : userDelay(0),
+ userTimeout(0),
+ port(0),
+ freeMbShowType(freeMbCash),
+ logProtocolErrors(false)
+{
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA_SETTINGS::ParseSettings(const STG::ModuleSettings & s)
+{
+int p;
+STG::ParamValue pv;
+std::vector<STG::ParamValue>::const_iterator pvi;
+///////////////////////////
+pv.param = "Port";
+pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
+if (pvi == s.moduleParams.end() || pvi->value.empty())
+ {
+ errorStr = "Parameter \'Port\' not found.";
+ printfd(__FILE__, "Parameter 'Port' not found\n");
+ return -1;
+ }
+if (ParseIntInRange(pvi->value[0], 2, 65535, &p))
+ {
+ errorStr = "Cannot parse parameter \'Port\': " + errorStr;
+ printfd(__FILE__, "Cannot parse parameter 'Port'\n");
+ return -1;
+ }
+port = static_cast<uint16_t>(p);
+///////////////////////////
+pv.param = "UserDelay";
+pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
+if (pvi == s.moduleParams.end() || pvi->value.empty())
+ {
+ errorStr = "Parameter \'UserDelay\' not found.";
+ printfd(__FILE__, "Parameter 'UserDelay' not found\n");
+ return -1;
+ }
+
+if (ParseIntInRange(pvi->value[0], 5, 600, &userDelay))
+ {
+ errorStr = "Cannot parse parameter \'UserDelay\': " + errorStr;
+ printfd(__FILE__, "Cannot parse parameter 'UserDelay'\n");
+ return -1;
+ }
+///////////////////////////
+pv.param = "UserTimeout";
+pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
+if (pvi == s.moduleParams.end() || pvi->value.empty())
+ {
+ errorStr = "Parameter \'UserTimeout\' not found.";
+ printfd(__FILE__, "Parameter 'UserTimeout' not found\n");
+ return -1;
+ }
+
+if (ParseIntInRange(pvi->value[0], 15, 1200, &userTimeout))
+ {
+ errorStr = "Cannot parse parameter \'UserTimeout\': " + errorStr;
+ 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() || pvi->value.empty())
+ logProtocolErrors = false;
+else if (ParseYesNo(pvi->value[0], &logProtocolErrors))
+ {
+ errorStr = "Cannot parse parameter \'LogProtocolErrors\': " + errorStr;
+ printfd(__FILE__, "Cannot parse parameter 'LogProtocolErrors'\n");
+ return -1;
+ }
+/////////////////////////////////////////////////////////////
+std::string freeMbType;
+int n = 0;
+pv.param = "FreeMb";
+pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
+if (pvi == s.moduleParams.end() || pvi->value.empty())
+ {
+ errorStr = "Parameter \'FreeMb\' not found.";
+ printfd(__FILE__, "Parameter 'FreeMb' not found\n");
+ return -1;
+ }
+freeMbType = pvi->value[0];
+
+if (strcasecmp(freeMbType.c_str(), "cash") == 0)
+ {
+ freeMbShowType = freeMbCash;
+ }
+else if (strcasecmp(freeMbType.c_str(), "none") == 0)
+ {
+ freeMbShowType = freeMbNone;
+ }
+else if (!str2x(freeMbType.c_str(), n))
+ {
+ if (n < 0 || n >= DIR_NUM)
+ {
+ errorStr = "Incorrect parameter \'" + freeMbType + "\'.";
+ printfd(__FILE__, "%s\n", errorStr.c_str());
+ return -1;
+ }
+ freeMbShowType = (FREEMB)(freeMb0 + n);
+ }
+else
+ {
+ errorStr = "Incorrect parameter \'" + freeMbType + "\'.";
+ printfd(__FILE__, "%s\n", errorStr.c_str());
+ return -1;
+ }
+/////////////////////////////////////////////////////////////
+return 0;
+}
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+#ifdef IA_PHASE_DEBUG
+IA_PHASE::IA_PHASE()
+ : phase(1),
+ flog(NULL)
+{
+gettimeofday(&phaseTime, NULL);
+}
+#else
+IA_PHASE::IA_PHASE()
+ : phase(1)
+{
+gettimeofday(&phaseTime, NULL);
+}
+#endif
+//-----------------------------------------------------------------------------
+IA_PHASE::~IA_PHASE()
+{
+#ifdef IA_PHASE_DEBUG
+flog = fopen(log.c_str(), "at");
+if (flog)
+ {
+ fprintf(flog, "IA %s D\n", login.c_str());
+ fclose(flog);
+ }
+#endif
+}
+//-----------------------------------------------------------------------------
+#ifdef IA_PHASE_DEBUG
+void IA_PHASE::SetLogFileName(const string & logFileName)
+{
+log = logFileName + ".ia.log";
+}
+//-----------------------------------------------------------------------------
+void IA_PHASE::SetUserLogin(const string & login)
+{
+IA_PHASE::login = login;
+}
+//-----------------------------------------------------------------------------
+void IA_PHASE::WritePhaseChange(int newPhase)
+{
+UTIME newPhaseTime;
+gettimeofday(&newPhaseTime, NULL);
+flog = fopen(log.c_str(), "at");
+if (flog)
+ {
+ string action = newPhase == phase ? "U" : "C";
+ double delta = newPhaseTime.GetSec() - phaseTime.GetSec();
+ delta += (newPhaseTime.GetUSec() - phaseTime.GetUSec()) * 1.0e-6;
+ fprintf(flog, "IA %s %s oldPhase = %d, newPhase = %d. dt = %.6f\n",
+ login.c_str(),
+ action.c_str(),
+ phase,
+ newPhase,
+ delta);
+ fclose(flog);
+ }
+}
+#endif
+//-----------------------------------------------------------------------------
+void IA_PHASE::SetPhase1()
+{
+#ifdef IA_PHASE_DEBUG
+WritePhaseChange(1);
+#endif
+phase = 1;
+gettimeofday(&phaseTime, NULL);
+}
+//-----------------------------------------------------------------------------
+void IA_PHASE::SetPhase2()
+{
+#ifdef IA_PHASE_DEBUG
+WritePhaseChange(2);
+#endif
+phase = 2;
+gettimeofday(&phaseTime, NULL);
+}
+//-----------------------------------------------------------------------------
+void IA_PHASE::SetPhase3()
+{
+#ifdef IA_PHASE_DEBUG
+WritePhaseChange(3);
+#endif
+phase = 3;
+gettimeofday(&phaseTime, NULL);
+}
+//-----------------------------------------------------------------------------
+void IA_PHASE::SetPhase4()
+{
+#ifdef IA_PHASE_DEBUG
+WritePhaseChange(4);
+#endif
+phase = 4;
+gettimeofday(&phaseTime, NULL);
+}
+//-----------------------------------------------------------------------------
+int IA_PHASE::GetPhase() const
+{
+return phase;
+}
+//-----------------------------------------------------------------------------
+void IA_PHASE::UpdateTime()
+{
+#ifdef IA_PHASE_DEBUG
+WritePhaseChange(phase);
+#endif
+gettimeofday(&phaseTime, NULL);
+}
+//-----------------------------------------------------------------------------
+const UTIME & IA_PHASE::GetTime() const
+{
+return phaseTime;
+}
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+AUTH_IA::AUTH_IA()
+ : nonstop(false),
+ isRunningRun(false),
+ isRunningRunTimeouter(false),
+ users(NULL),
+ stgSettings(NULL),
+ listenSocket(-1),
+ enabledDirs(0xFFffFFff),
+ onDelUserNotifier(*this),
+ logger(STG::PluginLogger::get("auth_ia"))
+{
+InitContext("pr7Hhen", 7, &ctxS);
+
+pthread_mutexattr_t attr;
+pthread_mutexattr_init(&attr);
+pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+pthread_mutex_init(&mutex, &attr);
+
+memset(&connSynAck6, 0, sizeof(CONN_SYN_ACK_6));
+memset(&connSynAck8, 0, sizeof(CONN_SYN_ACK_8));
+memset(&disconnSynAck6, 0, sizeof(DISCONN_SYN_ACK_6));
+memset(&disconnSynAck8, 0, sizeof(DISCONN_SYN_ACK_8));
+memset(&aliveSyn6, 0, sizeof(ALIVE_SYN_6));
+memset(&aliveSyn8, 0, sizeof(ALIVE_SYN_8));
+memset(&fin6, 0, sizeof(FIN_6));
+memset(&fin8, 0, sizeof(FIN_8));
+
+printfd(__FILE__, "sizeof(CONN_SYN_6) = %d %d\n", sizeof(CONN_SYN_6), Min8(sizeof(CONN_SYN_6)));
+printfd(__FILE__, "sizeof(CONN_SYN_8) = %d %d\n", sizeof(CONN_SYN_8), Min8(sizeof(CONN_SYN_8)));
+printfd(__FILE__, "sizeof(CONN_SYN_ACK_6) = %d %d\n", sizeof(CONN_SYN_ACK_6), Min8(sizeof(CONN_SYN_ACK_6)));
+printfd(__FILE__, "sizeof(CONN_SYN_ACK_8) = %d %d\n", sizeof(CONN_SYN_ACK_8), Min8(sizeof(CONN_SYN_ACK_8)));
+printfd(__FILE__, "sizeof(CONN_ACK_6) = %d %d\n", sizeof(CONN_ACK_6), Min8(sizeof(CONN_ACK_6)));
+printfd(__FILE__, "sizeof(ALIVE_SYN_6) = %d %d\n", sizeof(ALIVE_SYN_6), Min8(sizeof(ALIVE_SYN_6)));
+printfd(__FILE__, "sizeof(ALIVE_SYN_8) = %d %d\n", sizeof(ALIVE_SYN_8), Min8(sizeof(ALIVE_SYN_8)));
+printfd(__FILE__, "sizeof(ALIVE_ACK_6) = %d %d\n", sizeof(ALIVE_ACK_6), Min8(sizeof(ALIVE_ACK_6)));
+printfd(__FILE__, "sizeof(DISCONN_SYN_6) = %d %d\n", sizeof(DISCONN_SYN_6), Min8(sizeof(DISCONN_SYN_6)));
+printfd(__FILE__, "sizeof(DISCONN_SYN_ACK_6) = %d %d\n", sizeof(DISCONN_SYN_ACK_6), Min8(sizeof(DISCONN_SYN_ACK_6)));
+printfd(__FILE__, "sizeof(DISCONN_SYN_ACK_8) = %d %d\n", sizeof(DISCONN_SYN_ACK_8), Min8(sizeof(DISCONN_SYN_ACK_8)));
+printfd(__FILE__, "sizeof(DISCONN_ACK_6) = %d %d\n", sizeof(DISCONN_ACK_6), Min8(sizeof(DISCONN_ACK_6)));
+printfd(__FILE__, "sizeof(FIN_6) = %d %d\n", sizeof(FIN_6), Min8(sizeof(FIN_6)));
+printfd(__FILE__, "sizeof(FIN_8) = %d %d\n", sizeof(FIN_8), Min8(sizeof(FIN_8)));
+printfd(__FILE__, "sizeof(ERR) = %d %d\n", sizeof(ERR), Min8(sizeof(ERR)));
+printfd(__FILE__, "sizeof(INFO_6) = %d %d\n", sizeof(INFO_6), Min8(sizeof(INFO_6)));
+printfd(__FILE__, "sizeof(INFO_7) = %d %d\n", sizeof(INFO_7), Min8(sizeof(INFO_7)));
+printfd(__FILE__, "sizeof(INFO_8) = %d %d\n", sizeof(INFO_8), Min8(sizeof(INFO_8)));
+
+packetTypes["CONN_SYN"] = CONN_SYN_N;
+packetTypes["CONN_SYN_ACK"] = CONN_SYN_ACK_N;
+packetTypes["CONN_ACK"] = CONN_ACK_N;
+packetTypes["ALIVE_SYN"] = ALIVE_SYN_N;
+packetTypes["ALIVE_ACK"] = ALIVE_ACK_N;
+packetTypes["DISCONN_SYN"] = DISCONN_SYN_N;
+packetTypes["DISCONN_SYN_ACK"] = DISCONN_SYN_ACK_N;
+packetTypes["DISCONN_ACK"] = DISCONN_ACK_N;
+packetTypes["FIN"] = FIN_N;
+packetTypes["ERR"] = ERROR_N;
+}
+//-----------------------------------------------------------------------------
+AUTH_IA::~AUTH_IA()
+{
+pthread_mutex_destroy(&mutex);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Start()
+{
+users->AddNotifierUserDel(&onDelUserNotifier);
+nonstop = true;
+
+if (PrepareNet())
+ {
+ return -1;
+ }
+
+if (!isRunningRun)
+ {
+ if (pthread_create(&recvThread, NULL, Run, this))
+ {
+ errorStr = "Cannot create thread.";
+ printfd(__FILE__, "Cannot create recv thread\n");
+ logger("Cannot create recv thread.");
+ return -1;
+ }
+ }
+
+if (!isRunningRunTimeouter)
+ {
+ if (pthread_create(&timeouterThread, NULL, RunTimeouter, this))
+ {
+ errorStr = "Cannot create thread.";
+ printfd(__FILE__, "Cannot create timeouter thread\n");
+ logger("Cannot create timeouter thread.");
+ return -1;
+ }
+ }
+errorStr = "";
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Stop()
+{
+if (!IsRunning())
+ return 0;
+
+nonstop = false;
+
+std::for_each(
+ ip2user.begin(),
+ ip2user.end(),
+ UnauthorizeUser(this)
+ );
+
+if (isRunningRun)
+ {
+ //5 seconds to thread stops itself
+ for (int i = 0; i < 25 && isRunningRun; i++)
+ {
+ struct timespec ts = {0, 200000000};
+ nanosleep(&ts, NULL);
+ }
+ }
+
+FinalizeNet();
+
+if (isRunningRunTimeouter)
+ {
+ //5 seconds to thread stops itself
+ for (int i = 0; i < 25 && isRunningRunTimeouter; i++)
+ {
+ struct timespec ts = {0, 200000000};
+ nanosleep(&ts, NULL);
+ }
+ }
+
+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<AUTH_IA *>(d);
+
+ia->isRunningRun = true;
+
+char buffer[512];
+
+time_t touchTime = stgTime - MONITOR_TIME_DELAY_SEC;
+
+while (ia->nonstop)
+ {
+ ia->RecvData(buffer, sizeof(buffer));
+ if ((touchTime + MONITOR_TIME_DELAY_SEC <= stgTime) && ia->stgSettings->GetMonitoring())
+ {
+ touchTime = stgTime;
+ std::string monFile = ia->stgSettings->GetMonitorDir() + "/inetaccess_r";
+ TouchFile(monFile);
+ }
+ }
+
+ia->isRunningRun = false;
+return NULL;
+}
+//-----------------------------------------------------------------------------
+void * AUTH_IA::RunTimeouter(void * d)
+{
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
+AUTH_IA * ia = static_cast<AUTH_IA *>(d);
+
+ia->isRunningRunTimeouter = true;
+
+int a = -1;
+std::string monFile = ia->stgSettings->GetMonitorDir() + "/inetaccess_t";
+while (ia->nonstop)
+ {
+ 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())
+ {
+ TouchFile(monFile);
+ }
+ }
+
+ia->isRunningRunTimeouter = false;
+return NULL;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::ParseSettings()
+{
+int ret = iaSettings.ParseSettings(settings);
+if (ret)
+ errorStr = iaSettings.GetStrError();
+return ret;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Reload(const STG::ModuleSettings & ms)
+{
+AUTH_IA_SETTINGS newIaSettings;
+if (newIaSettings.ParseSettings(ms))
+ {
+ printfd(__FILE__, "AUTH_IA::Reload() - Failed to reload InetAccess.\n");
+ logger("AUTH_IA: Cannot reload InetAccess. Errors found.");
+ return -1;
+ }
+
+printfd(__FILE__, "AUTH_IA::Reload() - Reloaded InetAccess successfully.\n");
+logger("AUTH_IA: Reloaded InetAccess successfully.");
+iaSettings = newIaSettings;
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::PrepareNet()
+{
+struct sockaddr_in listenAddr;
+
+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(static_cast<uint16_t>(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;
+ }
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::FinalizeNet()
+{
+close(listenSocket);
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::RecvData(char * buffer, int bufferSize)
+{
+if (!WaitPackets(listenSocket)) // Timeout
+ {
+ return 0;
+ }
+
+struct sockaddr_in outerAddr;
+socklen_t outerAddrLen(sizeof(outerAddr));
+ssize_t dataLen = recvfrom(listenSocket, buffer, bufferSize, 0, (struct sockaddr *)&outerAddr, &outerAddrLen);
+
+if (!dataLen) // EOF
+ {
+ return 0;
+ }
+
+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;
+ }
+
+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, sip, &protoVer))
+ return -1;
+
+char login[PASSWD_LEN]; //TODO why PASSWD_LEN ?
+memset(login, 0, PASSWD_LEN);
+
+DecryptString(login, buffer + 8, PASSWD_LEN, &ctxS);
+
+UserPtr user;
+if (users->FindByName(login, &user))
+ {
+ 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, IconvString("Неправильный логин.", "utf8", "koi8-ru"));
+ return -1;
+ }
+
+printfd(__FILE__, "User '%s' FOUND!\n", user->GetLogin().c_str());
+
+if (user->GetProperties().disabled.Get())
+ {
+ logger("Cannont authorize '%s', user is disabled.", login);
+ SendError(sip, sport, protoVer, IconvString("Учетная запись заблокирована.", "utf8", "koi8-ru"));
+ return 0;
+ }
+
+if (user->GetProperties().passive.Get())
+ {
+ logger("Cannont authorize '%s', user is passive.", login);
+ SendError(sip, sport, protoVer, IconvString("Учетная запись заморожена.", "utf8", "koi8-ru"));
+ return 0;
+ }
+
+if (!user->GetProperties().ips.Get().find(sip))
+ {
+ printfd(__FILE__, "User %s. IP address is incorrect. IP %s\n",
+ 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, IconvString("Пользователь не опознан. Проверьте IP-адрес.", "utf8", "koi8-ru"));
+ return 0;
+ }
+
+return PacketProcessor(buffer, dataLen, sip, sport, protoVer, user);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::CheckHeader(const char * buffer, uint32_t sip, int * protoVer)
+{
+if (strncmp(IA_ID, buffer, strlen(IA_ID)) != 0)
+ {
+ printfd(__FILE__, "update needed - IA_ID\n");
+ if (iaSettings.LogProtocolErrors())
+ logger("IP: %s. Header: invalid packed signature.", inet_ntostring(sip).c_str());
+ return -1;
+ }
+
+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]);
+ return -1;
+ }
+
+if (buffer[7] < 6)
+ {
+ // need update
+ 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
+ {
+ *protoVer = buffer[7];
+ }
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Timeouter()
+{
+STG_LOCKER lock(&mutex);
+
+std::map<uint32_t, IA_USER>::iterator it;
+it = ip2user.begin();
+
+while (it != ip2user.end())
+ {
+ uint32_t sip = it->first;
+
+ static UTIME currTime;
+ gettimeofday(&currTime, NULL);
+
+ 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().GetSec());
+ it->second.phase.SetPhase1();
+ printfd(__FILE__, "Phase changed from 2 to 1. Reason: timeout\n");
+ ip2user.erase(it++);
+ continue;
+ }
+
+ if (it->second.phase.GetPhase() == 3)
+ {
+ if (!it->second.messagesToSend.empty())
+ {
+ if (it->second.protoVer == 6)
+ RealSendMessage6(*it->second.messagesToSend.begin(), sip, it->second);
+
+ if (it->second.protoVer == 7)
+ RealSendMessage7(*it->second.messagesToSend.begin(), sip, it->second);
+
+ if (it->second.protoVer == 8)
+ RealSendMessage8(*it->second.messagesToSend.begin(), sip, it->second);
+
+ it->second.messagesToSend.erase(it->second.messagesToSend.begin());
+ }
+
+ if((currTime - it->second.lastSendAlive) > iaSettings.GetUserDelay())
+ {
+ switch (it->second.protoVer)
+ {
+ case 6:
+ Send_ALIVE_SYN_6(&(it->second), sip);
+ break;
+ case 7:
+ Send_ALIVE_SYN_7(&(it->second), sip);
+ break;
+ case 8:
+ Send_ALIVE_SYN_8(&(it->second), sip);
+ break;
+ }
+
+ gettimeofday(&it->second.lastSendAlive, NULL);
+ }
+
+ 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().GetSec());
+ users->Unauthorize(it->second.user->GetLogin(), this);
+ ip2user.erase(it++);
+ continue;
+ }
+ }
+
+ 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().GetSec());
+ it->second.phase.SetPhase3();
+ printfd(__FILE__, "Phase changed from 4 to 3. Reason: timeout\n");
+ }
+
+ ++it;
+ }
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::PacketProcessor(void * buff, size_t dataLen, uint32_t sip, uint16_t sport, int protoVer, UserPtr user)
+{
+std::string login(user->GetLogin());
+const size_t offset = LOGIN_LEN + 2 + 6; // LOGIN_LEN + sizeOfMagic + sizeOfVer;
+
+STG_LOCKER lock(&mutex);
+std::map<uint32_t, IA_USER>::iterator it(ip2user.find(sip));
+
+if (it == ip2user.end())
+ {
+ UserPtr userPtr;
+ if (!users->FindByIPIdx(sip, &userPtr))
+ {
+ if (userPtr->GetID() != user->GetID())
+ {
+ printfd(__FILE__, "IP address already in use by user '%s'. IP %s, login: '%s'\n",
+ 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, IconvString("IP-адрес уже сипользуется.", "utf8", "koi8-ru"));
+ return 0;
+ }
+ }
+
+ printfd(__FILE__, "Add new user '%s' from ip %s\n",
+ login.c_str(), inet_ntostring(sip).c_str());
+ std::pair<std::map<uint32_t, IA_USER>::iterator, bool> res;
+ res = ip2user.insert(std::make_pair(sip, IA_USER(login, user, sport, protoVer)));
+ it = res.first;
+ #ifdef IA_PHASE_DEBUG
+ it->second.phase.SetLogFileName(stgSettings->GetLogFileName());
+ it->second.phase.SetUserLogin(login);
+ #endif
+ }
+else if (user->GetID() != it->second.user->GetID())
+ {
+ printfd(__FILE__, "IP address already in use by user '%s'. IP %s, login: '%s'\n",
+ 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, IconvString("IP-адрес уже используется.", "utf8", "koi8-ru"));
+ return 0;
+ }
+
+IA_USER * iaUser = &(it->second);
+
+if (iaUser->password != user->GetProperties().password.Get())
+ {
+ const std::string & password = user->GetProperties().password.Get();
+ InitContext(password.c_str(), password.length(), &iaUser->ctx);
+ iaUser->password = user->GetProperties().password.Get();
+ }
+
+DecryptString(static_cast<char *>(buff) + offset, static_cast<char *>(buff) + offset, (dataLen - offset), &iaUser->ctx);
+
+char packetName[IA_MAX_TYPE_LEN];
+strncpy(packetName, static_cast<char *>(buff) + offset + 4, IA_MAX_TYPE_LEN);
+packetName[IA_MAX_TYPE_LEN - 1] = 0;
+
+std::map<std::string, int>::iterator pi(packetTypes.find(packetName));
+if (pi == packetTypes.end())
+ {
+ SendError(sip, sport, protoVer, IconvString("Неправильный логин или пароль.", "utf8", "koi8-ru"));
+ printfd(__FILE__, "Login or password is wrong!\n");
+ 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;
+ }
+
+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());
+ 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, IconvString("Логин уже используется.", "utf8", "koi8-ru"));
+ ip2user.erase(it);
+ return 0;
+ }
+
+switch (pi->second)
+ {
+ case CONN_SYN_N:
+ switch (protoVer)
+ {
+ case 6:
+ if (Process_CONN_SYN_6(static_cast<CONN_SYN_6 *>(buff), &(it->second), sip))
+ return -1;
+ return Send_CONN_SYN_ACK_6(iaUser, sip);
+ case 7:
+ if (Process_CONN_SYN_7(static_cast<CONN_SYN_7 *>(buff), &(it->second), sip))
+ return -1;
+ return Send_CONN_SYN_ACK_7(iaUser, sip);
+ case 8:
+ if (Process_CONN_SYN_8(static_cast<CONN_SYN_8 *>(buff), &(it->second), sip))
+ return -1;
+ return Send_CONN_SYN_ACK_8(iaUser, sip);
+ }
+ break;
+
+ case CONN_ACK_N:
+ switch (protoVer)
+ {
+ case 6:
+ if (Process_CONN_ACK_6(static_cast<CONN_ACK_6 *>(buff), iaUser, sip))
+ return -1;
+ return Send_ALIVE_SYN_6(iaUser, sip);
+ case 7:
+ if (Process_CONN_ACK_7(static_cast<CONN_ACK_6 *>(buff), iaUser, sip))
+ return -1;
+ return Send_ALIVE_SYN_7(iaUser, sip);
+ case 8:
+ if (Process_CONN_ACK_8(static_cast<CONN_ACK_8 *>(buff), iaUser, sip))
+ return -1;
+ return Send_ALIVE_SYN_8(iaUser, sip);
+ }
+ break;
+
+ case ALIVE_ACK_N:
+ switch (protoVer)
+ {
+ case 6:
+ return Process_ALIVE_ACK_6(static_cast<ALIVE_ACK_6 *>(buff), iaUser, sip);
+ case 7:
+ return Process_ALIVE_ACK_7(static_cast<ALIVE_ACK_6 *>(buff), iaUser, sip);
+ case 8:
+ return Process_ALIVE_ACK_8(static_cast<ALIVE_ACK_8 *>(buff), iaUser, sip);
+ }
+ break;
+
+ case DISCONN_SYN_N:
+ switch (protoVer)
+ {
+ case 6:
+ if (Process_DISCONN_SYN_6(static_cast<DISCONN_SYN_6 *>(buff), iaUser, sip))
+ return -1;
+ return Send_DISCONN_SYN_ACK_6(iaUser, sip);
+ case 7:
+ if (Process_DISCONN_SYN_7(static_cast<DISCONN_SYN_6 *>(buff), iaUser, sip))
+ return -1;
+ return Send_DISCONN_SYN_ACK_7(iaUser, sip);
+ case 8:
+ if (Process_DISCONN_SYN_8(static_cast<DISCONN_SYN_8 *>(buff), iaUser, sip))
+ return -1;
+ return Send_DISCONN_SYN_ACK_8(iaUser, sip);
+ }
+ break;
+
+ case DISCONN_ACK_N:
+ switch (protoVer)
+ {
+ case 6:
+ if (Process_DISCONN_ACK_6(static_cast<DISCONN_ACK_6 *>(buff), iaUser, sip, it))
+ return -1;
+ return Send_FIN_6(iaUser, sip, it);
+ case 7:
+ if (Process_DISCONN_ACK_7(static_cast<DISCONN_ACK_6 *>(buff), iaUser, sip, it))
+ return -1;
+ return Send_FIN_7(iaUser, sip, it);
+ case 8:
+ if (Process_DISCONN_ACK_8(static_cast<DISCONN_ACK_8 *>(buff), iaUser, sip, it))
+ return -1;
+ return Send_FIN_8(iaUser, sip, it);
+ }
+ break;
+ }
+
+return -1;
+}
+//-----------------------------------------------------------------------------
+void AUTH_IA::DelUser(UserPtr u)
+{
+
+uint32_t ip = u->GetCurrIP();
+
+if (!ip)
+ return;
+
+std::map<uint32_t, IA_USER>::iterator it;
+
+STG_LOCKER lock(&mutex);
+it = ip2user.find(ip);
+if (it == ip2user.end())
+ {
+ //Nothing to delete
+ printfd(__FILE__, "Nothing to delete\n");
+ return;
+ }
+
+if (it->second.user == u)
+ {
+ printfd(__FILE__, "User removed!\n");
+ users->Unauthorize(u->GetLogin(), this);
+ ip2user.erase(it);
+ }
+}
+//-----------------------------------------------------------------------------
+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)
+ {
+ case 6:
+ case 7:
+ ERR err;
+ memset(&err, 0, sizeof(ERR));
+
+ sendAddr.sin_family = AF_INET;
+ sendAddr.sin_port = htons(port);
+ sendAddr.sin_addr.s_addr = ip;
+
+ err.len = 1;
+ strncpy((char*)err.type, "ERR", 16);
+ strncpy((char*)err.text, text.c_str(), MAX_MSG_LEN);
+
+ #ifdef ARCH_BE
+ SwapBytes(err.len);
+ #endif
+
+ res = sendto(listenSocket, &err, sizeof(err), 0, (struct sockaddr*)&sendAddr, sizeof(sendAddr));
+ printfd(__FILE__, "SendError %d bytes sent\n", res);
+ break;
+
+ case 8:
+ ERR_8 err8;
+ memset(&err8, 0, sizeof(ERR_8));
+
+ sendAddr.sin_family = AF_INET;
+ sendAddr.sin_port = htons(port);
+ sendAddr.sin_addr.s_addr = ip;
+
+ err8.len = 256;
+ strncpy((char*)err8.type, "ERR", 16);
+ strncpy((char*)err8.text, text.c_str(), MAX_MSG_LEN);
+
+ #ifdef ARCH_BE
+ SwapBytes(err8.len);
+ #endif
+
+ res = sendto(listenSocket, &err8, sizeof(err8), 0, (struct sockaddr*)&sendAddr, sizeof(sendAddr));
+ printfd(__FILE__, "SendError_8 %d bytes sent\n", res);
+ break;
+ }
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send(uint32_t ip, uint16_t port, const char * buffer, size_t len)
+{
+struct sockaddr_in sendAddr;
+
+sendAddr.sin_family = AF_INET;
+sendAddr.sin_port = htons(port);
+sendAddr.sin_addr.s_addr = ip;
+
+if (sendto(listenSocket, buffer, len, 0, (struct sockaddr*)&sendAddr, sizeof(sendAddr)) == static_cast<ssize_t>(len))
+ return 0;
+
+return -1;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::SendMessage(const STG::Message & msg, uint32_t ip) const
+{
+printfd(__FILE__, "SendMessage userIP=%s\n", inet_ntostring(ip).c_str());
+
+std::map<uint32_t, IA_USER>::iterator it;
+
+STG_LOCKER lock(&mutex);
+it = ip2user.find(ip);
+if (it == ip2user.end())
+ {
+ errorStr = "Unknown user.";
+ return -1;
+ }
+it->second.messagesToSend.push_back(msg);
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::RealSendMessage6(const STG::Message & msg, uint32_t ip, IA_USER & user)
+{
+printfd(__FILE__, "RealSendMessage 6 user=%s\n", user.login.c_str());
+
+INFO_6 info;
+memset(&info, 0, sizeof(INFO_6));
+
+info.len = 256;
+strncpy((char*)info.type, "INFO", 16);
+info.infoType = 'I';
+strncpy((char*)info.text, msg.text.c_str(), 235);
+info.text[234] = 0;
+
+size_t len = info.len;
+#ifdef ARCH_BE
+SwapBytes(info.len);
+#endif
+
+char buffer[256];
+memcpy(buffer, &info, sizeof(INFO_6));
+EncryptString(buffer, buffer, len, &user.ctx);
+return Send(ip, iaSettings.GetUserPort(), buffer, len);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::RealSendMessage7(const STG::Message & msg, uint32_t ip, IA_USER & user)
+{
+printfd(__FILE__, "RealSendMessage 7 user=%s\n", user.login.c_str());
+
+INFO_7 info;
+memset(&info, 0, sizeof(INFO_7));
+
+info.len = 264;
+strncpy((char*)info.type, "INFO_7", 16);
+info.infoType = static_cast<int8_t>(msg.header.type);
+info.showTime = static_cast<int8_t>(msg.header.showTime);
+info.sendTime = msg.header.creationTime;
+
+size_t len = info.len;
+#ifdef ARCH_BE
+SwapBytes(info.len);
+SwapBytes(info.sendTime);
+#endif
+
+strncpy((char*)info.text, msg.text.c_str(), MAX_MSG_LEN - 1);
+info.text[MAX_MSG_LEN - 1] = 0;
+
+char buffer[300];
+memcpy(buffer, &info, sizeof(INFO_7));
+
+EncryptString(buffer, buffer, len, &user.ctx);
+return Send(ip, iaSettings.GetUserPort(), buffer, len);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::RealSendMessage8(const STG::Message & msg, uint32_t ip, IA_USER & user)
+{
+printfd(__FILE__, "RealSendMessage 8 user=%s\n", user.login.c_str());
+
+INFO_8 info;
+memset(&info, 0, sizeof(INFO_8));
+
+info.len = 1056;
+strncpy((char*)info.type, "INFO_8", 16);
+info.infoType = static_cast<int8_t>(msg.header.type);
+info.showTime = static_cast<int8_t>(msg.header.showTime);
+info.sendTime = msg.header.creationTime;
+
+strncpy((char*)info.text, msg.text.c_str(), IA_MAX_MSG_LEN_8 - 1);
+info.text[IA_MAX_MSG_LEN_8 - 1] = 0;
+
+size_t len = info.len;
+#ifdef ARCH_BE
+SwapBytes(info.len);
+SwapBytes(info.sendTime);
+#endif
+
+char buffer[1500];
+memcpy(buffer, &info, sizeof(INFO_8));
+
+EncryptString(buffer, buffer, len, &user.ctx);
+return Send(ip, user.port, buffer, len);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_CONN_SYN_6(CONN_SYN_6 *, IA_USER * iaUser, uint32_t)
+{
+if (!(iaUser->phase.GetPhase() == 1 || iaUser->phase.GetPhase() == 3))
+ return -1;
+
+enabledDirs = 0xFFffFFff;
+
+iaUser->phase.SetPhase2();
+printfd(__FILE__, "Phase changed from %d to 2. Reason: CONN_SYN_6\n", iaUser->phase.GetPhase());
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_CONN_SYN_7(CONN_SYN_7 * connSyn, IA_USER * iaUser, uint32_t sip)
+{
+return Process_CONN_SYN_6(connSyn, iaUser, sip);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_CONN_SYN_8(CONN_SYN_8 * connSyn, IA_USER * iaUser, uint32_t sip)
+{
+#ifdef ARCH_BE
+SwapBytes(connSyn->dirs);
+#endif
+int ret = Process_CONN_SYN_6(reinterpret_cast<CONN_SYN_6 *>(connSyn), iaUser, sip);
+enabledDirs = connSyn->dirs;
+return ret;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_CONN_ACK_6(CONN_ACK_6 * connAck, IA_USER * iaUser, uint32_t sip)
+{
+#ifdef ARCH_BE
+SwapBytes(connAck->len);
+SwapBytes(connAck->rnd);
+#endif
+printfd( __FILE__, "CONN_ACK_6 %s\n", connAck->type);
+
+if ((iaUser->phase.GetPhase() == 2) && (connAck->rnd == iaUser->rnd + 1))
+ {
+ iaUser->phase.UpdateTime();
+
+ iaUser->lastSendAlive = iaUser->phase.GetTime();
+ if (users->Authorize(iaUser->login, sip, enabledDirs, this))
+ {
+ iaUser->phase.SetPhase3();
+ printfd(__FILE__, "Phase changed from 2 to 3. Reason: CONN_ACK_6\n");
+ return 0;
+ }
+ 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");
+ return -1;
+ }
+ }
+printfd(__FILE__, "Invalid phase or control number. Phase: %d. Control number: %d, expected: %d\n", iaUser->phase.GetPhase(), connAck->rnd, iaUser->rnd + 1);
+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;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_CONN_ACK_7(CONN_ACK_7 * connAck, IA_USER * iaUser, uint32_t sip)
+{
+return Process_CONN_ACK_6(connAck, iaUser, sip);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_CONN_ACK_8(CONN_ACK_8 * connAck, IA_USER * iaUser, uint32_t sip)
+{
+#ifdef ARCH_BE
+SwapBytes(connAck->len);
+SwapBytes(connAck->rnd);
+#endif
+printfd( __FILE__, "CONN_ACK_8 %s\n", connAck->type);
+
+if ((iaUser->phase.GetPhase() == 2) && (connAck->rnd == iaUser->rnd + 1))
+ {
+ iaUser->phase.UpdateTime();
+ iaUser->lastSendAlive = iaUser->phase.GetTime();
+ if (users->Authorize(iaUser->login, sip, enabledDirs, this))
+ {
+ iaUser->phase.SetPhase3();
+ printfd(__FILE__, "Phase changed from 2 to 3. Reason: CONN_ACK_8\n");
+ return 0;
+ }
+ 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");
+ return -1;
+ }
+ }
+printfd(__FILE__, "Invalid phase or control number. Phase: %d. Control number: %d, expected: %d\n", iaUser->phase.GetPhase(), connAck->rnd, iaUser->rnd + 1);
+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;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_ALIVE_ACK_6(ALIVE_ACK_6 * aliveAck, IA_USER * iaUser, uint32_t)
+{
+#ifdef ARCH_BE
+SwapBytes(aliveAck->len);
+SwapBytes(aliveAck->rnd);
+#endif
+printfd(__FILE__, "ALIVE_ACK_6\n");
+if ((iaUser->phase.GetPhase() == 3) && (aliveAck->rnd == iaUser->rnd + 1))
+ {
+ iaUser->phase.UpdateTime();
+ #ifdef IA_DEBUG
+ iaUser->aliveSent = false;
+ #endif
+ }
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_ALIVE_ACK_7(ALIVE_ACK_7 * aliveAck, IA_USER * iaUser, uint32_t sip)
+{
+return Process_ALIVE_ACK_6(aliveAck, iaUser, sip);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_ALIVE_ACK_8(ALIVE_ACK_8 * aliveAck, IA_USER * iaUser, uint32_t)
+{
+#ifdef ARCH_BE
+SwapBytes(aliveAck->len);
+SwapBytes(aliveAck->rnd);
+#endif
+printfd(__FILE__, "ALIVE_ACK_8\n");
+if ((iaUser->phase.GetPhase() == 3) && (aliveAck->rnd == iaUser->rnd + 1))
+ {
+ iaUser->phase.UpdateTime();
+ #ifdef IA_DEBUG
+ iaUser->aliveSent = false;
+ #endif
+ }
+return 0;
+}
+//-----------------------------------------------------------------------------
+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;
+ }
+
+iaUser->phase.SetPhase4();
+printfd(__FILE__, "Phase changed from 3 to 4. Reason: DISCONN_SYN_6\n");
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_DISCONN_SYN_7(DISCONN_SYN_7 * disconnSyn, IA_USER * iaUser, uint32_t sip)
+{
+return Process_DISCONN_SYN_6(disconnSyn, iaUser, sip);
+}
+//-----------------------------------------------------------------------------
+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;
+ }
+
+iaUser->phase.SetPhase4();
+printfd(__FILE__, "Phase changed from 3 to 4. Reason: DISCONN_SYN_6\n");
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_DISCONN_ACK_6(DISCONN_ACK_6 * disconnAck,
+ IA_USER * iaUser,
+ uint32_t sip,
+ std::map<uint32_t, IA_USER>::iterator)
+{
+#ifdef ARCH_BE
+SwapBytes(disconnAck->len);
+SwapBytes(disconnAck->rnd);
+#endif
+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;
+ }
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Process_DISCONN_ACK_7(DISCONN_ACK_7 * disconnAck, IA_USER * iaUser, uint32_t sip, std::map<uint32_t, IA_USER>::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 sip, std::map<uint32_t, IA_USER>::iterator)
+{
+#ifdef ARCH_BE
+SwapBytes(disconnAck->len);
+SwapBytes(disconnAck->rnd);
+#endif
+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;
+ }
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send_CONN_SYN_ACK_6(IA_USER * iaUser, uint32_t sip)
+{
+//+++ Fill static data in connSynAck +++
+// TODO Move this code. It must be executed only once
+connSynAck6.len = Min8(sizeof(CONN_SYN_ACK_6));
+strcpy((char*)connSynAck6.type, "CONN_SYN_ACK");
+for (int j = 0; j < DIR_NUM; j++)
+ {
+ strncpy((char*)connSynAck6.dirName[j],
+ stgSettings->GetDirName(j).c_str(),
+ sizeof(string16));
+
+ connSynAck6.dirName[j][sizeof(string16) - 1] = 0;
+ }
+//--- Fill static data in connSynAck ---
+
+iaUser->rnd = static_cast<uint32_t>(random());
+connSynAck6.rnd = iaUser->rnd;
+
+printfd(__FILE__, "Sending CONN_SYN_ACK with control number %d.\n", iaUser->rnd);
+
+connSynAck6.userTimeOut = iaSettings.GetUserTimeout().GetSec();
+connSynAck6.aliveDelay = iaSettings.GetUserDelay().GetSec();
+
+#ifdef ARCH_BE
+SwapBytes(connSynAck6.len);
+SwapBytes(connSynAck6.rnd);
+SwapBytes(connSynAck6.userTimeOut);
+SwapBytes(connSynAck6.aliveDelay);
+#endif
+
+EncryptString((char*)&connSynAck6, (char*)&connSynAck6, Min8(sizeof(CONN_SYN_ACK_6)), &iaUser->ctx);
+return Send(sip, iaSettings.GetUserPort(), (char*)&connSynAck6, Min8(sizeof(CONN_SYN_ACK_6)));;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send_CONN_SYN_ACK_7(IA_USER * iaUser, uint32_t sip)
+{
+return Send_CONN_SYN_ACK_6(iaUser, sip);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send_CONN_SYN_ACK_8(IA_USER * iaUser, uint32_t sip)
+{
+strcpy((char*)connSynAck8.hdr.magic, IA_ID);
+connSynAck8.hdr.protoVer[0] = 0;
+connSynAck8.hdr.protoVer[1] = 8;
+
+//+++ Fill static data in connSynAck +++
+// TODO Move this code. It must be executed only once
+connSynAck8.len = Min8(sizeof(CONN_SYN_ACK_8));
+strcpy((char*)connSynAck8.type, "CONN_SYN_ACK");
+for (int j = 0; j < DIR_NUM; j++)
+ {
+ strncpy((char*)connSynAck8.dirName[j],
+ stgSettings->GetDirName(j).c_str(),
+ sizeof(string16));
+
+ connSynAck8.dirName[j][sizeof(string16) - 1] = 0;
+ }
+//--- Fill static data in connSynAck ---
+
+iaUser->rnd = static_cast<uint32_t>(random());
+connSynAck8.rnd = iaUser->rnd;
+
+printfd(__FILE__, "Sending CONN_SYN_ACK with control number %d.\n", iaUser->rnd);
+
+connSynAck8.userTimeOut = iaSettings.GetUserTimeout().GetSec();
+connSynAck8.aliveDelay = iaSettings.GetUserDelay().GetSec();
+
+#ifdef ARCH_BE
+SwapBytes(connSynAck8.len);
+SwapBytes(connSynAck8.rnd);
+SwapBytes(connSynAck8.userTimeOut);
+SwapBytes(connSynAck8.aliveDelay);
+#endif
+
+EncryptString((char*)&connSynAck8, (char*)&connSynAck8, Min8(sizeof(CONN_SYN_ACK_8)), &iaUser->ctx);
+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 = static_cast<uint32_t>(random());
+
+strcpy((char*)aliveSyn6.type, "ALIVE_SYN");
+
+for (int i = 0; i < DIR_NUM; i++)
+ {
+ aliveSyn6.md[i] = iaUser->user->GetProperties().down.Get()[i];
+ aliveSyn6.mu[i] = iaUser->user->GetProperties().up.Get()[i];
+
+ aliveSyn6.sd[i] = iaUser->user->GetSessionDownload()[i];
+ aliveSyn6.su[i] = iaUser->user->GetSessionUpload()[i];
+ }
+
+//TODO
+int dn = iaSettings.GetFreeMbShowType();
+const auto tf = iaUser->user->GetTariff();
+
+if (dn < DIR_NUM)
+ {
+ double p = tf->GetPriceWithTraffType(aliveSyn6.mu[dn],
+ aliveSyn6.md[dn],
+ dn,
+ stgTime);
+ p *= 1024 * 1024;
+ if (std::fabs(p) < 1.0e-3)
+ {
+ snprintf((char*)aliveSyn6.freeMb, IA_FREEMB_LEN, "---");
+ }
+ else
+ {
+ double fmb = iaUser->user->GetProperties().freeMb;
+ fmb = fmb < 0 ? 0 : fmb;
+ snprintf((char*)aliveSyn6.freeMb, IA_FREEMB_LEN, "%.3f", fmb / p);
+ }
+ }
+else
+ {
+ if (freeMbNone == iaSettings.GetFreeMbShowType())
+ {
+ aliveSyn6.freeMb[0] = 0;
+ }
+ else
+ {
+ double fmb = iaUser->user->GetProperties().freeMb;
+ fmb = fmb < 0 ? 0 : fmb;
+ snprintf((char*)aliveSyn6.freeMb, IA_FREEMB_LEN, "C%.3f", fmb);
+ }
+ }
+
+#ifdef IA_DEBUG
+if (iaUser->aliveSent)
+ {
+ printfd(__FILE__, "========= ALIVE_ACK_6(7) TIMEOUT !!! %s =========\n", iaUser->login.c_str());
+ }
+iaUser->aliveSent = true;
+#endif
+
+aliveSyn6.cash =(int64_t) (iaUser->user->GetProperties().cash.Get() * 1000.0);
+if (!stgSettings->GetShowFeeInCash())
+ aliveSyn6.cash -= (int64_t)(tf->GetFee() * 1000.0);
+
+#ifdef ARCH_BE
+SwapBytes(aliveSyn6.len);
+SwapBytes(aliveSyn6.rnd);
+SwapBytes(aliveSyn6.cash);
+for (int i = 0; i < DIR_NUM; ++i)
+ {
+ SwapBytes(aliveSyn6.mu[i]);
+ SwapBytes(aliveSyn6.md[i]);
+ SwapBytes(aliveSyn6.su[i]);
+ SwapBytes(aliveSyn6.sd[i]);
+ }
+#endif
+
+EncryptString((char*)&aliveSyn6, (char*)&aliveSyn6, Min8(sizeof(aliveSyn6)), &iaUser->ctx);
+return Send(sip, iaSettings.GetUserPort(), (char*)&aliveSyn6, Min8(sizeof(aliveSyn6)));
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send_ALIVE_SYN_7(IA_USER * iaUser, uint32_t sip)
+{
+return Send_ALIVE_SYN_6(iaUser, sip);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send_ALIVE_SYN_8(IA_USER * iaUser, uint32_t sip)
+{
+strcpy((char*)aliveSyn8.hdr.magic, IA_ID);
+aliveSyn8.hdr.protoVer[0] = 0;
+aliveSyn8.hdr.protoVer[1] = 8;
+
+aliveSyn8.len = Min8(sizeof(ALIVE_SYN_8));
+aliveSyn8.rnd = iaUser->rnd = static_cast<uint32_t>(random());
+
+strcpy((char*)aliveSyn8.type, "ALIVE_SYN");
+
+for (int i = 0; i < DIR_NUM; i++)
+ {
+ aliveSyn8.md[i] = iaUser->user->GetProperties().down.Get()[i];
+ aliveSyn8.mu[i] = iaUser->user->GetProperties().up.Get()[i];
+
+ aliveSyn8.sd[i] = iaUser->user->GetSessionDownload()[i];
+ aliveSyn8.su[i] = iaUser->user->GetSessionUpload()[i];
+ }
+
+//TODO
+int dn = iaSettings.GetFreeMbShowType();
+
+if (dn < DIR_NUM)
+ {
+ const auto tf = iaUser->user->GetTariff();
+ double p = tf->GetPriceWithTraffType(aliveSyn8.mu[dn],
+ aliveSyn8.md[dn],
+ dn,
+ stgTime);
+ p *= 1024 * 1024;
+ if (std::fabs(p) < 1.0e-3)
+ {
+ snprintf((char*)aliveSyn8.freeMb, IA_FREEMB_LEN, "---");
+ }
+ else
+ {
+ double fmb = iaUser->user->GetProperties().freeMb;
+ fmb = fmb < 0 ? 0 : fmb;
+ snprintf((char*)aliveSyn8.freeMb, IA_FREEMB_LEN, "%.3f", fmb / p);
+ }
+ }
+else
+ {
+ if (freeMbNone == iaSettings.GetFreeMbShowType())
+ {
+ aliveSyn8.freeMb[0] = 0;
+ }
+ else
+ {
+ double fmb = iaUser->user->GetProperties().freeMb;
+ fmb = fmb < 0 ? 0 : fmb;
+ snprintf((char*)aliveSyn8.freeMb, IA_FREEMB_LEN, "C%.3f", fmb);
+ }
+ }
+
+#ifdef IA_DEBUG
+if (iaUser->aliveSent)
+ {
+ printfd(__FILE__, "========= ALIVE_ACK_8 TIMEOUT !!! =========\n");
+ }
+iaUser->aliveSent = true;
+#endif
+
+const auto tf = iaUser->user->GetTariff();
+
+aliveSyn8.cash =(int64_t) (iaUser->user->GetProperties().cash.Get() * 1000.0);
+if (!stgSettings->GetShowFeeInCash())
+ aliveSyn8.cash -= (int64_t)(tf->GetFee() * 1000.0);
+
+#ifdef ARCH_BE
+SwapBytes(aliveSyn8.len);
+SwapBytes(aliveSyn8.rnd);
+SwapBytes(aliveSyn8.cash);
+SwapBytes(aliveSyn8.status);
+for (int i = 0; i < DIR_NUM; ++i)
+ {
+ SwapBytes(aliveSyn8.mu[i]);
+ SwapBytes(aliveSyn8.md[i]);
+ SwapBytes(aliveSyn8.su[i]);
+ SwapBytes(aliveSyn8.sd[i]);
+ }
+#endif
+
+EncryptString((char*)&aliveSyn8, (char*)&aliveSyn8, Min8(sizeof(aliveSyn8)), &iaUser->ctx);
+return Send(sip, iaUser->port, (char*)&aliveSyn8, Min8(sizeof(aliveSyn8)));
+}
+//-----------------------------------------------------------------------------
+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 = static_cast<uint32_t>(random());
+
+#ifdef ARCH_BE
+SwapBytes(disconnSynAck6.len);
+SwapBytes(disconnSynAck6.rnd);
+#endif
+
+EncryptString((char*)&disconnSynAck6, (char*)&disconnSynAck6, Min8(sizeof(disconnSynAck6)), &iaUser->ctx);
+return Send(sip, iaSettings.GetUserPort(), (char*)&disconnSynAck6, Min8(sizeof(disconnSynAck6)));
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send_DISCONN_SYN_ACK_7(IA_USER * iaUser, uint32_t sip)
+{
+return Send_DISCONN_SYN_ACK_6(iaUser, sip);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send_DISCONN_SYN_ACK_8(IA_USER * iaUser, uint32_t sip)
+{
+strcpy((char*)disconnSynAck8.hdr.magic, IA_ID);
+disconnSynAck8.hdr.protoVer[0] = 0;
+disconnSynAck8.hdr.protoVer[1] = 8;
+
+disconnSynAck8.len = Min8(sizeof(DISCONN_SYN_ACK_8));
+strcpy((char*)disconnSynAck8.type, "DISCONN_SYN_ACK");
+disconnSynAck8.rnd = iaUser->rnd = static_cast<uint32_t>(random());
+
+#ifdef ARCH_BE
+SwapBytes(disconnSynAck8.len);
+SwapBytes(disconnSynAck8.rnd);
+#endif
+
+EncryptString((char*)&disconnSynAck8, (char*)&disconnSynAck8, Min8(sizeof(disconnSynAck8)), &iaUser->ctx);
+return Send(sip, iaUser->port, (char*)&disconnSynAck8, Min8(sizeof(disconnSynAck8)));
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send_FIN_6(IA_USER * iaUser, uint32_t sip, std::map<uint32_t, IA_USER>::iterator it)
+{
+fin6.len = Min8(sizeof(FIN_6));
+strcpy((char*)fin6.type, "FIN");
+strcpy((char*)fin6.ok, "OK");
+
+#ifdef ARCH_BE
+SwapBytes(fin6.len);
+#endif
+
+EncryptString((char*)&fin6, (char*)&fin6, Min8(sizeof(fin6)), &iaUser->ctx);
+
+users->Unauthorize(iaUser->login, this);
+
+int res = Send(sip, iaSettings.GetUserPort(), (char*)&fin6, Min8(sizeof(fin6)));
+
+ip2user.erase(it);
+
+return res;
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send_FIN_7(IA_USER * iaUser, uint32_t sip, std::map<uint32_t, IA_USER>::iterator it)
+{
+return Send_FIN_6(iaUser, sip, it);
+}
+//-----------------------------------------------------------------------------
+int AUTH_IA::Send_FIN_8(IA_USER * iaUser, uint32_t sip, std::map<uint32_t, IA_USER>::iterator it)
+{
+strcpy((char*)fin8.hdr.magic, IA_ID);
+fin8.hdr.protoVer[0] = 0;
+fin8.hdr.protoVer[1] = 8;
+
+fin8.len = Min8(sizeof(FIN_8));
+strcpy((char*)fin8.type, "FIN");
+strcpy((char*)fin8.ok, "OK");
+
+#ifdef ARCH_BE
+SwapBytes(fin8.len);
+#endif
+
+EncryptString((char*)&fin8, (char*)&fin8, Min8(sizeof(fin8)), &iaUser->ctx);
+
+users->Unauthorize(iaUser->login, this);
+
+int res = Send(sip, iaUser->port, (char*)&fin8, Min8(sizeof(fin8)));
+
+ip2user.erase(it);
+
+return res;
+}
git.stg.codes / stg.git / blobdiff