Added parameter description.

[stg.git] / 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 94104ac124122445bc33d194755695248d6c36c2..5a15a10aea91cfee72d1614d068c73bab3d61a4c 100644 (file)
--- a/projects/stargazer/plugins/authorization/inetaccess/inetaccess.cpp
+++ b/projects/stargazer/plugins/authorization/inetaccess/inetaccess.cpp
@@ -30,12 +30,13 @@
 
 #include <sys/types.h>
 #include <sys/socket.h>
 
 #include <sys/types.h>
 #include <sys/socket.h>

-#include <unistd.h> // usleep, close
+#include <unistd.h> // close

 
 #include <csignal>
 #include <cstdlib>
 #include <cstdio> // snprintf
 #include <cerrno>
 
 #include <csignal>
 #include <cstdlib>
 #include <cstdio> // snprintf
 #include <cerrno>

+#include <cmath>

 #include <algorithm>
 
 #include "stg/common.h"
 #include <algorithm>
 
 #include "stg/common.h"


@@ -46,16 +47,21 @@
 #include "stg/plugin_creator.h"
 #include "inetaccess.h"
 
 #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<AUTH_IA> iac;
 PLUGIN_CREATOR<AUTH_IA> 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),
     : userDelay(0),
       userTimeout(0),
       port(0),

+      errorStr(),

       freeMbShowType(freeMbCash)
 {
 }
       freeMbShowType(freeMbCash)
 {
 }


@@ -78,7 +85,7 @@ int AUTH_IA_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
 {
 int p;
 PARAM_VALUE pv;
 {
 int p;
 PARAM_VALUE pv;

-vector<PARAM_VALUE>::const_iterator pvi;
+std::vector<PARAM_VALUE>::const_iterator pvi;

 ///////////////////////////
 pv.param = "Port";
 pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
 ///////////////////////////
 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;
     }
     printfd(__FILE__, "Cannot parse parameter 'Port'\n");
     return -1;
     }

-port = p;
+port = static_cast<uint16_t>(p);

 ///////////////////////////
 pv.param = "UserDelay";
 pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv);
 ///////////////////////////
 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;
     }
     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);
 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),
 #ifdef IA_PHASE_DEBUG
 IA_PHASE::IA_PHASE()
     : phase(1),

+      phaseTime(),

       flog(NULL)
 {
 gettimeofday(&phaseTime, NULL);
 }
 #else
 IA_PHASE::IA_PHASE()
       flog(NULL)
 {
 gettimeofday(&phaseTime, NULL);
 }
 #else
 IA_PHASE::IA_PHASE()

-    : phase(1)
+    : phase(1),
+      phaseTime()

 {
 gettimeofday(&phaseTime, NULL);
 }
 {
 gettimeofday(&phaseTime, NULL);
 }


@@ -295,15 +315,32 @@ return phaseTime;
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 AUTH_IA::AUTH_IA()
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 AUTH_IA::AUTH_IA()

-    : nonstop(false),
+    : ctxS(),
+      errorStr(),
+      iaSettings(),
+      settings(),
+      nonstop(false),

       isRunningRun(false),
       isRunningRunTimeouter(false),
       users(NULL),
       stgSettings(NULL),
       isRunningRun(false),
       isRunningRunTimeouter(false),
       users(NULL),
       stgSettings(NULL),

+      ip2user(),
+      recvThread(),
+      timeouterThread(),
+      mutex(),

       listenSocket(-1),
       listenSocket(-1),

-      WriteServLog(GetStgLogger()),
+      connSynAck6(),
+      connSynAck8(),
+      disconnSynAck6(),
+      disconnSynAck8(),
+      aliveSyn6(),
+      aliveSyn8(),
+      fin6(),
+      fin8(),
+      packetTypes(),

       enabledDirs(0xFFffFFff),
       enabledDirs(0xFFffFFff),

-      onDelUserNotifier(*this)
+      onDelUserNotifier(*this),
+      logger(GetPluginLogger(GetStgLogger(), "auth_ia"))

 {
 InitEncrypt(&ctxS, "pr7Hhen");
 
 {
 InitEncrypt(&ctxS, "pr7Hhen");
 


@@ -373,6 +410,7 @@ if (!isRunningRun)
         {
         errorStr = "Cannot create thread.";
         printfd(__FILE__, "Cannot create recv thread\n");
         {
         errorStr = "Cannot create thread.";
         printfd(__FILE__, "Cannot create recv thread\n");

+        logger("Cannot create recv thread.");

         return -1;
         }
     }
         return -1;
         }
     }


@@ -383,6 +421,7 @@ if (!isRunningRunTimeouter)
         {
         errorStr = "Cannot create thread.";
         printfd(__FILE__, "Cannot create timeouter thread\n");
         {
         errorStr = "Cannot create thread.";
         printfd(__FILE__, "Cannot create timeouter thread\n");

+        logger("Cannot create timeouter thread.");

         return -1;
         }
     }
         return -1;
         }
     }


@@ -408,29 +447,8 @@ if (isRunningRun)
     //5 seconds to thread stops itself
     for (int i = 0; i < 25 && isRunningRun; i++)
         {
     //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++)
         {
     //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);
 users->DelNotifierUserDel(&onDelUserNotifier);

+
+if (isRunningRun || isRunningRunTimeouter)
+    return -1;
+
+printfd(__FILE__, "AUTH_IA::Stoped successfully.\n");

 return 0;
 }
 //-----------------------------------------------------------------------------
 void * AUTH_IA::Run(void * d)
 {
 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;
 AUTH_IA * ia = static_cast<AUTH_IA *>(d);
 
 ia->isRunningRun = true;


@@ -486,7 +493,7 @@ while (ia->nonstop)
     if ((touchTime + MONITOR_TIME_DELAY_SEC <= stgTime) && ia->stgSettings->GetMonitoring())
         {
         touchTime = stgTime;
     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());
         }
     }
         TouchFile(monFile.c_str());
         }
     }


@@ -497,15 +504,20 @@ return NULL;
 //-----------------------------------------------------------------------------
 void * AUTH_IA::RunTimeouter(void * d)
 {
 //-----------------------------------------------------------------------------
 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;
 AUTH_IA * ia = static_cast<AUTH_IA *>(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)
     {
 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())
     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.";
 if (listenSocket < 0)
     {
     errorStr = "Cannot create socket.";

+    logger("Cannot create a socket: %s", strerror(errno));

     return -1;
     }
 
 listenAddr.sin_family = AF_INET;
     return -1;
     }
 
 listenAddr.sin_family = AF_INET;

-listenAddr.sin_port = htons(iaSettings.GetUserPort());
+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.";
 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 -1;
     }
 


@@ -566,7 +580,7 @@ if (!WaitPackets(listenSocket)) // Timeout
 
 struct sockaddr_in outerAddr;
 socklen_t outerAddrLen(sizeof(outerAddr));
 
 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
     {
 
 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));
     if (errno != EINTR)
         {
         printfd(__FILE__, "recvfrom res=%d, error: '%s'\n", dataLen, strerror(errno));

+        logger("recvfrom error: %s", strerror(errno));

         return -1;
         }
     return 0;
         return -1;
         }
     return 0;


@@ -586,8 +601,11 @@ if (dataLen <= 0) // Error
 if (dataLen > 256)
     return -1;
 
 if (dataLen > 256)
     return -1;
 

+uint32_t sip = outerAddr.sin_addr.s_addr;
+uint16_t sport = htons(outerAddr.sin_port);
+

 int protoVer;
 int protoVer;

-if (CheckHeader(buffer, &protoVer))
+if (CheckHeader(buffer, sip, &protoVer))

     return -1;
 
 char login[PASSWD_LEN];  //TODO why PASSWD_LEN ?
     return -1;
 
 char login[PASSWD_LEN];  //TODO why PASSWD_LEN ?


@@ -595,15 +613,12 @@ memset(login, 0, PASSWD_LEN);
 
 Decrypt(&ctxS, login, buffer + 8, PASSWD_LEN / 8);
 
 
 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))
     {
 USER_PTR user;
 if (users->FindByName(login, &user))
     {

-    WriteServLog("User's connect failed: user '%s' not found. IP %s",
-                 login,
-                 inet_ntostring(sip).c_str());
+    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' NOT found!\n", login);
     SendError(sip, sport, protoVer, "îÅÐÒÁ×ÉÌØÎÙÊ ÌÏÇÉÎ!");
     return -1;


@@ -613,12 +628,14 @@ printfd(__FILE__, "User '%s' FOUND!\n", user->GetLogin().c_str());
 
 if (user->GetProperty().disabled.Get())
     {
 
 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())
     {
     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;
     }
     SendError(sip, sport, protoVer, "õÞÅÔÎÁÑ ÚÁÐÉÓØ ÚÁÍÏÒÏÖÅÎÁ");
     return 0;
     }


@@ -627,8 +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());
     {
     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;
     }
     SendError(sip, sport, protoVer, "ðÏÌØÚÏ×ÁÔÅÌØ ÎÅ ÏÐÏÚÎÁÎ! ðÒÏ×ÅÒØÔÅ IP ÁÄÒÅÓ.");
     return 0;
     }


@@ -636,12 +653,14 @@ if (!user->GetProperty().ips.Get().IsIPInIPS(sip))
 return PacketProcessor(buffer, dataLen, sip, sport, protoVer, user);
 }
 //-----------------------------------------------------------------------------
 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 (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;
     }
     //SendError(userIP, "Incorrect header!");
     return -1;
     }


@@ -649,6 +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 (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;
     }
     //SendError(userIP, updateMsg);
     return -1;
     }


@@ -658,6 +679,8 @@ if (buffer[7] < 6)
     // need update
     //SendError(userIP, updateMsg);
     printfd(__FILE__, "update needed - PROTO minor: %d\n", buffer[7]);
     // 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
     return -1;
     }
 else


@@ -671,7 +694,7 @@ int AUTH_IA::Timeouter()
 {
 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
 
 {
 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
 

-map<uint32_t, IA_USER>::iterator it;
+std::map<uint32_t, IA_USER>::iterator it;

 it = ip2user.begin();
 uint32_t sip;
 
 it = ip2user.begin();
 uint32_t sip;
 


@@ -685,6 +708,8 @@ while (it != ip2user.end())
     if ((it->second.phase.GetPhase() == 2)
         && (currTime - it->second.phase.GetTime()) > iaSettings.GetUserDelay())
         {
     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++);
         it->second.phase.SetPhase1();
         printfd(__FILE__, "Phase changed from 2 to 1. Reason: timeout\n");
         ip2user.erase(it++);


@@ -727,6 +752,8 @@ while (it != ip2user.end())
 
         if ((currTime - it->second.phase.GetTime()) > iaSettings.GetUserTimeout())
             {
 
         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;
             users->Unauthorize(it->second.user->GetLogin(), this);
             ip2user.erase(it++);
             continue;


@@ -736,6 +763,8 @@ while (it != ip2user.end())
     if ((it->second.phase.GetPhase() == 4)
         && ((currTime - it->second.phase.GetTime()) > iaSettings.GetUserDelay()))
         {
     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");
         }
         it->second.phase.SetPhase3();
         printfd(__FILE__, "Phase changed from 4 to 3. Reason: timeout\n");
         }


@@ -746,13 +775,13 @@ while (it != ip2user.end())
 return 0;
 }
 //-----------------------------------------------------------------------------
 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());
 {
 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__);
 
 STG_LOCKER lock(&mutex, __FILE__, __LINE__);

-map<uint32_t, IA_USER>::iterator it(ip2user.find(sip));
+std::map<uint32_t, IA_USER>::iterator it(ip2user.find(sip));

 
 if (it == ip2user.end())
     {
 
 if (it == ip2user.end())
     {


@@ -765,10 +794,10 @@ if (it == ip2user.end())
                     userPtr->GetLogin().c_str(),
                     inet_ntostring(sip).c_str(),
                    login.c_str());
                     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;
             }
             SendError(sip, sport, protoVer, "÷ÁÛ IP ÁÄÒÅÓ ÕÖÅ ÉÓÐÏÌØÚÕÅÔÓÑ!");
             return 0;
             }


@@ -779,21 +808,10 @@ if (it == ip2user.end())
     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;
     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;

-    /*ip2user[sip].login = login;
-    ip2user[sip].user = user;
-    ip2user[sip].protoVer = protoVer;
-    ip2user[sip].port = sport;*/

     #ifdef IA_PHASE_DEBUG
     it->second.phase.SetLogFileName(stgSettings->GetLogFileName());
     it->second.phase.SetUserLogin(login);
     #endif
     #ifdef IA_PHASE_DEBUG
     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())
     {
     }
 else if (user->GetID() != it->second.user->GetID())
     {


@@ -801,40 +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());
             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);
 
     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();
     }
 
 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<char *>(buff) + offset, static_cast<char *>(buff) + offset, (dataLen - offset) / 8);

 
 char packetName[IA_MAX_TYPE_LEN];
 
 char packetName[IA_MAX_TYPE_LEN];

-strncpy(packetName,  buff + 4, IA_MAX_TYPE_LEN);
+strncpy(packetName,  static_cast<char *>(buff) + offset + 4, IA_MAX_TYPE_LEN);

 packetName[IA_MAX_TYPE_LEN - 1] = 0;
 
 packetName[IA_MAX_TYPE_LEN - 1] = 0;
 

-map<string, int>::iterator pi(packetTypes.find(packetName));
+std::map<std::string, int>::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");
 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;
     }
     ip2user.erase(it);
     return 0;
     }


@@ -844,10 +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());
     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;
     SendError(sip, sport, protoVer, "÷ÁÛ ÌÏÇÉÎ ÕÖÅ ÉÓÐÏÌØÚÕÅÔÓÑ!");
     ip2user.erase(it);
     return 0;


@@ -859,15 +873,15 @@ switch (pi->second)
         switch (protoVer)
             {
             case 6:
         switch (protoVer)
             {
             case 6:

-                if (Process_CONN_SYN_6((CONN_SYN_6 *)(buff - offset), &(it->second), sip))
+                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:
                     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<CONN_SYN_7 *>(buff), &(it->second), sip))

                     return -1;
                 return Send_CONN_SYN_ACK_7(iaUser, sip);
             case 8:
                     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<CONN_SYN_8 *>(buff), &(it->second), sip))

                     return -1;
                 return Send_CONN_SYN_ACK_8(iaUser, sip);
             }
                     return -1;
                 return Send_CONN_SYN_ACK_8(iaUser, sip);
             }


@@ -877,15 +891,15 @@ switch (pi->second)
         switch (protoVer)
             {
             case 6:
         switch (protoVer)
             {
             case 6:

-                if (Process_CONN_ACK_6((CONN_ACK_6 *)(buff - offset), iaUser, sip))
+                if (Process_CONN_ACK_6(static_cast<CONN_ACK_6 *>(buff), iaUser, sip))

                     return -1;
                 return Send_ALIVE_SYN_6(iaUser, sip);
             case 7:
                     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<CONN_ACK_6 *>(buff), iaUser, sip))

                     return -1;
                 return Send_ALIVE_SYN_7(iaUser, sip);
             case 8:
                     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<CONN_ACK_8 *>(buff), iaUser, sip))

                     return -1;
                 return Send_ALIVE_SYN_8(iaUser, sip);
             }
                     return -1;
                 return Send_ALIVE_SYN_8(iaUser, sip);
             }


@@ -895,11 +909,11 @@ switch (pi->second)
         switch (protoVer)
             {
             case 6:
         switch (protoVer)
             {
             case 6:

-                return Process_ALIVE_ACK_6((ALIVE_ACK_6 *)(buff - offset), iaUser, sip);
+                return Process_ALIVE_ACK_6(static_cast<ALIVE_ACK_6 *>(buff), iaUser, sip);

             case 7:
             case 7:

-                return Process_ALIVE_ACK_7((ALIVE_ACK_6 *)(buff - offset), iaUser, sip);
+                return Process_ALIVE_ACK_7(static_cast<ALIVE_ACK_6 *>(buff), iaUser, sip);

             case 8:
             case 8:

-                return Process_ALIVE_ACK_8((ALIVE_ACK_8 *)(buff - offset), iaUser, sip);
+                return Process_ALIVE_ACK_8(static_cast<ALIVE_ACK_8 *>(buff), iaUser, sip);

             }
         break;
 
             }
         break;
 


@@ -907,15 +921,15 @@ switch (pi->second)
         switch (protoVer)
             {
             case 6:
         switch (protoVer)
             {
             case 6:

-                if (Process_DISCONN_SYN_6((DISCONN_SYN_6 *)(buff - offset), iaUser, sip))
+                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:
                     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<DISCONN_SYN_6 *>(buff), iaUser, sip))

                     return -1;
                 return Send_DISCONN_SYN_ACK_7(iaUser, sip);
             case 8:
                     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<DISCONN_SYN_8 *>(buff), iaUser, sip))

                     return -1;
                 return Send_DISCONN_SYN_ACK_8(iaUser, sip);
             }
                     return -1;
                 return Send_DISCONN_SYN_ACK_8(iaUser, sip);
             }


@@ -925,15 +939,15 @@ switch (pi->second)
         switch (protoVer)
             {
             case 6:
         switch (protoVer)
             {
             case 6:

-                if (Process_DISCONN_ACK_6((DISCONN_ACK_6 *)(buff - offset), iaUser, sip, it))
+                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:
                     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<DISCONN_ACK_6 *>(buff), iaUser, sip, it))

                     return -1;
                 return Send_FIN_7(iaUser, sip, it);
             case 8:
                     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<DISCONN_ACK_8 *>(buff), iaUser, sip, it))

                     return -1;
                 return Send_FIN_8(iaUser, sip, it);
             }
                     return -1;
                 return Send_FIN_8(iaUser, sip, it);
             }


@@ -951,7 +965,7 @@ uint32_t ip = u->GetCurrIP();
 if (!ip)
     return;
 
 if (!ip)
     return;
 

-map<uint32_t, IA_USER>::iterator it;
+std::map<uint32_t, IA_USER>::iterator it;

 
 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
 it = ip2user.find(ip);
 
 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
 it = ip2user.find(ip);


@@ -970,12 +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;
 {
 struct sockaddr_in sendAddr;

+ssize_t res;

 switch (protoVer)
     {
 switch (protoVer)
     {

-    int res;

     case 6:
     case 7:
         ERR err;
     case 6:
     case 7:
         ERR err;


@@ -1021,7 +1035,7 @@ switch (protoVer)
 return 0;
 }
 //-----------------------------------------------------------------------------
 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;
 
 {
 struct sockaddr_in sendAddr;
 


@@ -1029,9 +1043,7 @@ sendAddr.sin_family = AF_INET;
 sendAddr.sin_port = htons(port);
 sendAddr.sin_addr.s_addr = ip;
 
 sendAddr.sin_port = htons(port);
 sendAddr.sin_addr.s_addr = ip;
 

-int res = sendto(listenSocket, buffer, len, 0, (struct sockaddr*)&sendAddr, sizeof(sendAddr));
-
-if (res == len)
+if (sendto(listenSocket, buffer, len, 0, (struct sockaddr*)&sendAddr, sizeof(sendAddr)) == static_cast<ssize_t>(len))

     return 0;
 
 return -1;
     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());
 
 {
 printfd(__FILE__, "SendMessage userIP=%s\n", inet_ntostring(ip).c_str());
 

-map<uint32_t, IA_USER>::iterator it;
+std::map<uint32_t, IA_USER>::iterator it;

 
 STG_LOCKER lock(&mutex, __FILE__, __LINE__);
 it = ip2user.find(ip);
 
 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.len = 264;
 strncpy((char*)info.type, "INFO_7", 16);

-info.infoType = msg.header.type;
-info.showTime = msg.header.showTime;
+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;
 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.len = 1056;
 strncpy((char*)info.type, "INFO_8", 16);

-info.infoType = msg.header.type;
-info.showTime = msg.header.showTime;
+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.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);
 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();
 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();
     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");
         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);
         }
     }
 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;
 }
 //-----------------------------------------------------------------------------
 return -1;
 }
 //-----------------------------------------------------------------------------


@@ -1221,6 +1242,8 @@ if ((iaUser->phase.GetPhase() == 2) && (connAck->rnd == iaUser->rnd + 1))
     else
         {
         errorStr = iaUser->user->GetStrError();
     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");
         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);
         }
     }
 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;
 }
 //-----------------------------------------------------------------------------
 return -1;
 }
 //-----------------------------------------------------------------------------


@@ -1270,11 +1300,13 @@ if ((iaUser->phase.GetPhase() == 3) && (aliveAck->rnd == iaUser->rnd + 1))
 return 0;
 }
 //-----------------------------------------------------------------------------
 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)
     {
 {
 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;
     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);
 }
 //-----------------------------------------------------------------------------
 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 (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;
     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,
 //-----------------------------------------------------------------------------
 int AUTH_IA::Process_DISCONN_ACK_6(DISCONN_ACK_6 * disconnAck,
                                    IA_USER * iaUser,

-                                   uint32_t,
-                                   map<uint32_t, IA_USER>::iterator)
+                                   uint32_t sip,
+                                   std::map<uint32_t, IA_USER>::iterator)

 {
 #ifdef ARCH_BE
 SwapBytes(disconnAck->len);
 {
 #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)))
     {
 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;
     }
     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;
 }
 //-----------------------------------------------------------------------------
 return 0;
 }
 //-----------------------------------------------------------------------------

-int AUTH_IA::Process_DISCONN_ACK_7(DISCONN_ACK_7 * disconnAck, IA_USER * iaUser, uint32_t sip, map<uint32_t, IA_USER>::iterator it)
+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);
 }
 //-----------------------------------------------------------------------------
 {
 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<uint32_t, IA_USER>::iterator)
+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);
 {
 #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)))
     {
 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;
     }
     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 ---
 
     }
 //--- Fill static data in connSynAck ---
 

-iaUser->rnd = random();
+iaUser->rnd = static_cast<uint32_t>(random());

 connSynAck6.rnd = iaUser->rnd;
 
 connSynAck6.userTimeOut = iaSettings.GetUserTimeout();
 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 ---
 
     }
 //--- Fill static data in connSynAck ---
 

-iaUser->rnd = random();
+iaUser->rnd = static_cast<uint32_t>(random());

 connSynAck8.rnd = iaUser->rnd;
 
 connSynAck8.userTimeOut = iaSettings.GetUserTimeout();
 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));
 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<uint32_t>(random());

 
 strcpy((char*)aliveSyn6.type, "ALIVE_SYN");
 
 
 strcpy((char*)aliveSyn6.type, "ALIVE_SYN");
 


@@ -1447,8 +1495,8 @@ if (dn < DIR_NUM)
                                          aliveSyn6.md[dn],
                                          dn,
                                          stgTime);
                                          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, "---");
         }
         {
         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.hdr.protoVer[1] = 8;
 
 aliveSyn8.len = Min8(sizeof(ALIVE_SYN_8));

-aliveSyn8.rnd = iaUser->rnd = random();
+aliveSyn8.rnd = iaUser->rnd = static_cast<uint32_t>(random());

 
 strcpy((char*)aliveSyn8.type, "ALIVE_SYN");
 
 
 strcpy((char*)aliveSyn8.type, "ALIVE_SYN");
 


@@ -1537,8 +1585,8 @@ if (dn < DIR_NUM)
                                          aliveSyn8.md[dn],
                                          dn,
                                          stgTime);
                                          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, "---");
         }
         {
         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.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<uint32_t>(random());

 
 #ifdef ARCH_BE
 SwapBytes(disconnSynAck6.len);
 
 #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.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<uint32_t>(random());

 
 #ifdef ARCH_BE
 SwapBytes(disconnSynAck8.len);
 
 #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)));
 }
 //-----------------------------------------------------------------------------
 return Send(sip, iaUser->port, (char*)&disconnSynAck8, Min8(sizeof(disconnSynAck8)));
 }
 //-----------------------------------------------------------------------------

-int AUTH_IA::Send_FIN_6(IA_USER * iaUser, uint32_t sip, map<uint32_t, IA_USER>::iterator it)
+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");
 {
 fin6.len = Min8(sizeof(FIN_6));
 strcpy((char*)fin6.type, "FIN");


@@ -1655,12 +1703,12 @@ ip2user.erase(it);
 return res;
 }
 //-----------------------------------------------------------------------------
 return res;
 }
 //-----------------------------------------------------------------------------

-int AUTH_IA::Send_FIN_7(IA_USER * iaUser, uint32_t sip, map<uint32_t, IA_USER>::iterator it)
+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);
 }
 //-----------------------------------------------------------------------------
 {
 return Send_FIN_6(iaUser, sip, it);
 }
 //-----------------------------------------------------------------------------

-int AUTH_IA::Send_FIN_8(IA_USER * iaUser, uint32_t sip, map<uint32_t, IA_USER>::iterator 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;
 {
 strcpy((char*)fin8.hdr.magic, IA_ID);
 fin8.hdr.protoVer[0] = 0;


@@ -1684,9 +1732,11 @@ ip2user.erase(it);
 
 return res;
 }
 
 return res;
 }

+namespace
+{

 //-----------------------------------------------------------------------------
 inline
 //-----------------------------------------------------------------------------
 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);
 {
 unsigned char keyL[PASSWD_LEN];
 memset(keyL, 0, PASSWD_LEN);


@@ -1695,15 +1745,17 @@ Blowfish_Init(ctx, keyL, PASSWD_LEN);
 }
 //-----------------------------------------------------------------------------
 inline
 }
 //-----------------------------------------------------------------------------
 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<char *>(dst) + i * 8, static_cast<const char *>(src) + i * 8, ctx);

 }
 //-----------------------------------------------------------------------------
 inline
 }
 //-----------------------------------------------------------------------------
 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<char *>(dst) + i * 8, static_cast<const char *>(src) + i * 8, ctx);
+}
+//-----------------------------------------------------------------------------

 }
 }