Some changes in crypto.lib. Added tests.

[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 d3c1b9605c7e4a419d015582e92e275998fb3779..f64211d03dd7f50529c071671850d847b7b8396d 100644 (file)
--- a/projects/stargazer/plugins/authorization/inetaccess/inetaccess.cpp
+++ b/projects/stargazer/plugins/authorization/inetaccess/inetaccess.cpp
@@ -36,6 +36,7 @@
 #include <cstdlib>
 #include <cstdio> // snprintf
 #include <cerrno>
 #include <cstdlib>
 #include <cstdio> // snprintf
 #include <cerrno>

+#include <cmath>

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


@@ -46,16 +47,19 @@
 #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);
+}
+
+extern "C" PLUGIN * GetPlugin();

 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------


@@ -71,7 +75,8 @@ AUTH_IA_SETTINGS::AUTH_IA_SETTINGS()
       userTimeout(0),
       port(0),
       errorStr(),
       userTimeout(0),
       port(0),
       errorStr(),

-      freeMbShowType(freeMbCash)
+      freeMbShowType(freeMbCash),
+      logProtocolErrors(false)

 {
 }
 //-----------------------------------------------------------------------------
 {
 }
 //-----------------------------------------------------------------------------


@@ -79,7 +84,7 @@ 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);


@@ -95,7 +100,7 @@ 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);


@@ -128,8 +133,19 @@ 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);


@@ -268,15 +284,6 @@ phase = 4;
 gettimeofday(&phaseTime, NULL);
 }
 //-----------------------------------------------------------------------------
 gettimeofday(&phaseTime, NULL);
 }
 //-----------------------------------------------------------------------------

-void IA_PHASE::SetPhase5()
-{
-#ifdef IA_PHASE_DEBUG
-WritePhaseChange(5);
-#endif
-phase = 5;
-gettimeofday(&phaseTime, NULL);
-}
-//-----------------------------------------------------------------------------

 int IA_PHASE::GetPhase() const
 {
 return phase;
 int IA_PHASE::GetPhase() const
 {
 return phase;


@@ -325,7 +332,7 @@ AUTH_IA::AUTH_IA()
       onDelUserNotifier(*this),
       logger(GetPluginLogger(GetStgLogger(), "auth_ia"))
 {
       onDelUserNotifier(*this),
       logger(GetPluginLogger(GetStgLogger(), "auth_ia"))
 {

-InitEncrypt(&ctxS, "pr7Hhen");
+InitContext("pr7Hhen", 7, &ctxS);

 
 pthread_mutexattr_t attr;
 pthread_mutexattr_init(&attr);
 
 pthread_mutexattr_t attr;
 pthread_mutexattr_init(&attr);


@@ -476,7 +483,7 @@ 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());
         }
     }


@@ -496,7 +503,7 @@ AUTH_IA * ia = static_cast<AUTH_IA *>(d);
 ia->isRunningRunTimeouter = true;
 
 int a = -1;
 ia->isRunningRunTimeouter = true;
 
 int a = -1;

-string monFile = ia->stgSettings->GetMonitorDir() + "/inetaccess_t";
+std::string monFile = ia->stgSettings->GetMonitorDir() + "/inetaccess_t";

 while (ia->nonstop)
     {
     struct timespec ts = {0, 20000000};
 while (ia->nonstop)
     {
     struct timespec ts = {0, 20000000};


@@ -535,7 +542,7 @@ if (listenSocket < 0)
     }
 
 listenAddr.sin_family = AF_INET;
     }
 
 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)
 listenAddr.sin_addr.s_addr = inet_addr("0.0.0.0");
 
 if (bind(listenSocket, (struct sockaddr*)&listenAddr, sizeof(listenAddr)) < 0)


@@ -563,7 +570,7 @@ 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
     {


@@ -584,17 +591,17 @@ 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 ?
 memset(login, 0, PASSWD_LEN);
 
     return -1;
 
 char login[PASSWD_LEN];  //TODO why PASSWD_LEN ?
 memset(login, 0, PASSWD_LEN);
 

-Decrypt(&ctxS, login, buffer + 8, PASSWD_LEN / 8);
-
-uint32_t sip = outerAddr.sin_addr.s_addr;
-uint16_t sport = htons(outerAddr.sin_port);
+DecryptString(login, buffer + 8, PASSWD_LEN, &ctxS);

 
 USER_PTR user;
 if (users->FindByName(login, &user))
 
 USER_PTR user;
 if (users->FindByName(login, &user))


@@ -603,7 +610,7 @@ if (users->FindByName(login, &user))
            login,
            inet_ntostring(sip).c_str());
     printfd(__FILE__, "User '%s' NOT found!\n", login);
            login,
            inet_ntostring(sip).c_str());
     printfd(__FILE__, "User '%s' NOT found!\n", login);

-    SendError(sip, sport, protoVer, "îÅÐÒÁ×ÉÌØÎÙÊ ÌÏÇÉÎ!");
+    SendError(sip, sport, protoVer, IconvString("Неправильный логин.", "utf8", "koi8-ru"));

     return -1;
     }
 
     return -1;
     }
 


@@ -612,14 +619,14 @@ printfd(__FILE__, "User '%s' FOUND!\n", user->GetLogin().c_str());
 if (user->GetProperty().disabled.Get())
     {
     logger("Cannont authorize '%s', user is disabled.", login);
 if (user->GetProperty().disabled.Get())
     {
     logger("Cannont authorize '%s', user is disabled.", login);

-    SendError(sip, sport, protoVer, "õÞÅÔÎÁÑ ÚÁÐÉÓØ ÚÁÂÌÏËÉÒÏ×ÁÎÁ");
+    SendError(sip, sport, protoVer, IconvString("Учетная запись заблокирована.", "utf8", "koi8-ru"));

     return 0;
     }
 
 if (user->GetProperty().passive.Get())
     {
     logger("Cannont authorize '%s', user is passive.", login);
     return 0;
     }
 
 if (user->GetProperty().passive.Get())
     {
     logger("Cannont authorize '%s', user is passive.", login);

-    SendError(sip, sport, protoVer, "õÞÅÔÎÁÑ ÚÁÐÉÓØ ÚÁÍÏÒÏÖÅÎÁ");
+    SendError(sip, sport, protoVer, IconvString("Учетная запись заморожена.", "utf8", "koi8-ru"));

     return 0;
     }
 
     return 0;
     }
 


@@ -629,35 +636,37 @@ if (!user->GetProperty().ips.Get().IsIPInIPS(sip))
             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());
             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.");
+    SendError(sip, sport, protoVer, IconvString("Пользователь не опознан. Проверьте IP-адрес.", "utf8", "koi8-ru"));

     return 0;
     }
 
 return PacketProcessor(buffer, dataLen, sip, sport, protoVer, user);
 }
 //-----------------------------------------------------------------------------
     return 0;
     }
 
 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)
     {
 {
 if (strncmp(IA_ID, buffer, strlen(IA_ID)) != 0)
     {

-    //SendError(userIP, updateMsg);

     printfd(__FILE__, "update needed - IA_ID\n");
     printfd(__FILE__, "update needed - IA_ID\n");

-    //SendError(userIP, "Incorrect header!");
+    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]);
     return -1;
     }
 
 if (buffer[6] != 0) //proto[0] shoud be 0
     {
     printfd(__FILE__, "update needed - PROTO major: %d\n", buffer[6]);

-    //SendError(userIP, updateMsg);
+    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
     return -1;
     }
 
 if (buffer[7] < 6)
     {
     // need update

-    //SendError(userIP, updateMsg);

     printfd(__FILE__, "update needed - PROTO minor: %d\n", buffer[7]);
     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


@@ -669,15 +678,14 @@ return 0;
 //-----------------------------------------------------------------------------
 int AUTH_IA::Timeouter()
 {
 //-----------------------------------------------------------------------------
 int AUTH_IA::Timeouter()
 {

-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+STG_LOCKER lock(&mutex);

 
 

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

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

-uint32_t sip;

 
 while (it != ip2user.end())
     {
 
 while (it != ip2user.end())
     {

-    sip = it->first;
+    uint32_t sip = it->first;

 
     static UTIME currTime;
     gettimeofday(&currTime, NULL);
 
     static UTIME currTime;
     gettimeofday(&currTime, NULL);


@@ -685,6 +693,8 @@ 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 +737,8 @@ 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 +748,8 @@ 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 +760,13 @@ 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__);
-map<uint32_t, IA_USER>::iterator it(ip2user.find(sip));
+STG_LOCKER lock(&mutex);
+std::map<uint32_t, IA_USER>::iterator it(ip2user.find(sip));

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


@@ -769,7 +783,7 @@ 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());

-            SendError(sip, sport, protoVer, "÷ÁÛ IP ÁÄÒÅÓ ÕÖÅ ÉÓÐÏÌØÚÕÅÔÓÑ!");
+            SendError(sip, sport, protoVer, IconvString("IP-адрес уже сипользуется.", "utf8", "koi8-ru"));

             return 0;
             }
         }
             return 0;
             }
         }


@@ -794,7 +808,7 @@ 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());

-    SendError(sip, sport, protoVer, "÷ÁÛ IP ÁÄÒÅÓ ÕÖÅ ÉÓÐÏÌØÚÕÅÔÓÑ!");
+    SendError(sip, sport, protoVer, IconvString("IP-адрес уже используется.", "utf8", "koi8-ru"));

     return 0;
     }
 
     return 0;
     }
 


@@ -802,21 +816,21 @@ IA_USER * iaUser = &(it->second);
 
 if (iaUser->password != user->GetProperty().password.Get())
     {
 
 if (iaUser->password != user->GetProperty().password.Get())
     {

-    InitEncrypt(&iaUser->ctx, user->GetProperty().password.Get());
+    const std::string & password = user->GetProperty().password.Get();
+    InitContext(password.c_str(), password.length(), &iaUser->ctx);

     iaUser->password = user->GetProperty().password.Get();
     }
 
     iaUser->password = user->GetProperty().password.Get();
     }
 

-buff += offset;
-Decrypt(&iaUser->ctx, buff, buff, (dataLen - offset) / 8);
+DecryptString(static_cast<char *>(buff) + offset, static_cast<char *>(buff) + offset, (dataLen - offset), &iaUser->ctx);

 
 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())
     {
 if (pi == packetTypes.end())
     {

-    SendError(sip, sport, protoVer, "îÅÐÒÁ×ÉÌØÎÙÊ ÌÏÇÉÎ ÉÌÉ ÐÁÒÏÌØ!");
+    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(),
     printfd(__FILE__, "Login or password is wrong!\n");
     logger("User's connect failed. User: '%s', ip %s. Wrong login or password",
            login.c_str(),


@@ -834,7 +848,7 @@ if (user->IsAuthorizedBy(this) && user->GetCurrIP() != sip)
            login.c_str(),
            inet_ntostring(user->GetCurrIP()).c_str(),
            inet_ntostring(sip).c_str());
            login.c_str(),
            inet_ntostring(user->GetCurrIP()).c_str(),
            inet_ntostring(sip).c_str());

-    SendError(sip, sport, protoVer, "÷ÁÛ ÌÏÇÉÎ ÕÖÅ ÉÓÐÏÌØÚÕÅÔÓÑ!");
+    SendError(sip, sport, protoVer, IconvString("Логин уже используется.", "utf8", "koi8-ru"));

     ip2user.erase(it);
     return 0;
     }
     ip2user.erase(it);
     return 0;
     }


@@ -845,15 +859,15 @@ 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);
             }


@@ -863,15 +877,15 @@ 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);
             }


@@ -881,11 +895,11 @@ 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;
 


@@ -893,15 +907,15 @@ 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);
             }


@@ -911,15 +925,15 @@ 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);
             }


@@ -937,9 +951,9 @@ 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__);
+STG_LOCKER lock(&mutex);

 it = ip2user.find(ip);
 if (it == ip2user.end())
     {
 it = ip2user.find(ip);
 if (it == ip2user.end())
     {


@@ -956,12 +970,12 @@ 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;


@@ -1007,7 +1021,7 @@ 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;
 


@@ -1015,9 +1029,7 @@ 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;


@@ -1027,9 +1039,9 @@ 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__);
+STG_LOCKER lock(&mutex);

 it = ip2user.find(ip);
 if (it == ip2user.end())
     {
 it = ip2user.find(ip);
 if (it == ip2user.end())
     {


@@ -1060,7 +1072,7 @@ SwapBytes(info.len);
 
 char buffer[256];
 memcpy(buffer, &info, sizeof(INFO_6));
 
 char buffer[256];
 memcpy(buffer, &info, sizeof(INFO_6));

-Encrypt(&user.ctx, buffer, buffer, len / 8);
+EncryptString(buffer, buffer, len, &user.ctx);

 return Send(ip, iaSettings.GetUserPort(), buffer, len);
 }
 //-----------------------------------------------------------------------------
 return Send(ip, iaSettings.GetUserPort(), buffer, len);
 }
 //-----------------------------------------------------------------------------


@@ -1073,8 +1085,8 @@ 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;


@@ -1089,7 +1101,7 @@ info.text[MAX_MSG_LEN - 1] = 0;
 char buffer[300];
 memcpy(buffer, &info, sizeof(INFO_7));
 
 char buffer[300];
 memcpy(buffer, &info, sizeof(INFO_7));
 

-Encrypt(&user.ctx, buffer, buffer, len / 8);
+EncryptString(buffer, buffer, len, &user.ctx);

 return Send(ip, iaSettings.GetUserPort(), buffer, len);
 }
 //-----------------------------------------------------------------------------
 return Send(ip, iaSettings.GetUserPort(), buffer, len);
 }
 //-----------------------------------------------------------------------------


@@ -1102,8 +1114,8 @@ 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);


@@ -1118,7 +1130,7 @@ SwapBytes(info.sendTime);
 char buffer[1500];
 memcpy(buffer, &info, sizeof(INFO_8));
 
 char buffer[1500];
 memcpy(buffer, &info, sizeof(INFO_8));
 

-Encrypt(&user.ctx, buffer, buffer, len / 8);
+EncryptString(buffer, buffer, len, &user.ctx);

 return Send(ip, user.port, buffer, len);
 }
 //-----------------------------------------------------------------------------
 return Send(ip, user.port, buffer, len);
 }
 //-----------------------------------------------------------------------------


@@ -1144,7 +1156,7 @@ int AUTH_IA::Process_CONN_SYN_8(CONN_SYN_8 * connSyn, IA_USER * iaUser, uint32_t
 #ifdef ARCH_BE
 SwapBytes(connSyn->dirs);
 #endif
 #ifdef ARCH_BE
 SwapBytes(connSyn->dirs);
 #endif

-int ret = Process_CONN_SYN_6((CONN_SYN_6*)connSyn, iaUser, sip);
+int ret = Process_CONN_SYN_6(reinterpret_cast<CONN_SYN_6 *>(connSyn), iaUser, sip);

 enabledDirs = connSyn->dirs;
 return ret;
 }
 enabledDirs = connSyn->dirs;
 return ret;
 }


@@ -1171,6 +1183,8 @@ 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");


@@ -1178,6 +1192,13 @@ 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;
 }
 //-----------------------------------------------------------------------------


@@ -1207,6 +1228,8 @@ 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");


@@ -1214,6 +1237,13 @@ 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;
 }
 //-----------------------------------------------------------------------------


@@ -1256,11 +1286,13 @@ 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;


@@ -1277,10 +1309,12 @@ 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;


@@ -1294,8 +1328,8 @@ 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);


@@ -1304,6 +1338,13 @@ 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;
     }


@@ -1311,12 +1352,12 @@ 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);


@@ -1325,6 +1366,13 @@ 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;
     }


@@ -1348,7 +1396,7 @@ 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();


@@ -1361,7 +1409,7 @@ SwapBytes(connSynAck6.userTimeOut);
 SwapBytes(connSynAck6.aliveDelay);
 #endif
 
 SwapBytes(connSynAck6.aliveDelay);
 #endif
 

-Encrypt(&iaUser->ctx, (char*)&connSynAck6, (char*)&connSynAck6, Min8(sizeof(CONN_SYN_ACK_6))/8);
+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)));;
 }
 //-----------------------------------------------------------------------------
 return Send(sip, iaSettings.GetUserPort(), (char*)&connSynAck6, Min8(sizeof(CONN_SYN_ACK_6)));;
 }
 //-----------------------------------------------------------------------------


@@ -1390,7 +1438,7 @@ 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();


@@ -1403,14 +1451,14 @@ SwapBytes(connSynAck8.userTimeOut);
 SwapBytes(connSynAck8.aliveDelay);
 #endif
 
 SwapBytes(connSynAck8.aliveDelay);
 #endif
 

-Encrypt(&iaUser->ctx, (char*)&connSynAck8, (char*)&connSynAck8, Min8(sizeof(CONN_SYN_ACK_8))/8);
+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));
 return Send(sip, iaUser->port, (char*)&connSynAck8, Min8(sizeof(CONN_SYN_ACK_8)));
 }
 //-----------------------------------------------------------------------------
 int AUTH_IA::Send_ALIVE_SYN_6(IA_USER * iaUser, uint32_t sip)
 {
 aliveSyn6.len = Min8(sizeof(ALIVE_SYN_6));

-aliveSyn6.rnd = iaUser->rnd = random();
+aliveSyn6.rnd = iaUser->rnd = static_cast<uint32_t>(random());

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


@@ -1433,8 +1481,8 @@ 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, "---");
         }


@@ -1484,7 +1532,7 @@ for (int i = 0; i < DIR_NUM; ++i)
     }
 #endif
 
     }
 #endif
 

-Encrypt(&(iaUser->ctx), (char*)&aliveSyn6, (char*)&aliveSyn6, Min8(sizeof(aliveSyn6))/8);
+EncryptString((char*)&aliveSyn6, (char*)&aliveSyn6, Min8(sizeof(aliveSyn6)), &iaUser->ctx);

 return Send(sip, iaSettings.GetUserPort(), (char*)&aliveSyn6, Min8(sizeof(aliveSyn6)));
 }
 //-----------------------------------------------------------------------------
 return Send(sip, iaSettings.GetUserPort(), (char*)&aliveSyn6, Min8(sizeof(aliveSyn6)));
 }
 //-----------------------------------------------------------------------------


@@ -1500,7 +1548,7 @@ 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");
 


@@ -1523,8 +1571,8 @@ 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, "---");
         }


@@ -1577,7 +1625,7 @@ for (int i = 0; i < DIR_NUM; ++i)
     }
 #endif
 
     }
 #endif
 

-Encrypt(&(iaUser->ctx), (char*)&aliveSyn8, (char*)&aliveSyn8, Min8(sizeof(aliveSyn8))/8);
+EncryptString((char*)&aliveSyn8, (char*)&aliveSyn8, Min8(sizeof(aliveSyn8)), &iaUser->ctx);

 return Send(sip, iaUser->port, (char*)&aliveSyn8, Min8(sizeof(aliveSyn8)));
 }
 //-----------------------------------------------------------------------------
 return Send(sip, iaUser->port, (char*)&aliveSyn8, Min8(sizeof(aliveSyn8)));
 }
 //-----------------------------------------------------------------------------


@@ -1585,14 +1633,14 @@ 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);
 SwapBytes(disconnSynAck6.rnd);
 #endif
 
 
 #ifdef ARCH_BE
 SwapBytes(disconnSynAck6.len);
 SwapBytes(disconnSynAck6.rnd);
 #endif
 

-Encrypt(&iaUser->ctx, (char*)&disconnSynAck6, (char*)&disconnSynAck6, Min8(sizeof(disconnSynAck6))/8);
+EncryptString((char*)&disconnSynAck6, (char*)&disconnSynAck6, Min8(sizeof(disconnSynAck6)), &iaUser->ctx);

 return Send(sip, iaSettings.GetUserPort(), (char*)&disconnSynAck6, Min8(sizeof(disconnSynAck6)));
 }
 //-----------------------------------------------------------------------------
 return Send(sip, iaSettings.GetUserPort(), (char*)&disconnSynAck6, Min8(sizeof(disconnSynAck6)));
 }
 //-----------------------------------------------------------------------------


@@ -1609,18 +1657,18 @@ 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);
 SwapBytes(disconnSynAck8.rnd);
 #endif
 
 
 #ifdef ARCH_BE
 SwapBytes(disconnSynAck8.len);
 SwapBytes(disconnSynAck8.rnd);
 #endif
 

-Encrypt(&iaUser->ctx, (char*)&disconnSynAck8, (char*)&disconnSynAck8, Min8(sizeof(disconnSynAck8))/8);
+EncryptString((char*)&disconnSynAck8, (char*)&disconnSynAck8, Min8(sizeof(disconnSynAck8)), &iaUser->ctx);

 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");


@@ -1630,7 +1678,7 @@ strcpy((char*)fin6.ok, "OK");
 SwapBytes(fin6.len);
 #endif
 
 SwapBytes(fin6.len);
 #endif
 

-Encrypt(&iaUser->ctx, (char*)&fin6, (char*)&fin6, Min8(sizeof(fin6))/8);
+EncryptString((char*)&fin6, (char*)&fin6, Min8(sizeof(fin6)), &iaUser->ctx);

 
 users->Unauthorize(iaUser->login, this);
 
 
 users->Unauthorize(iaUser->login, this);
 


@@ -1641,12 +1689,12 @@ 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;


@@ -1660,7 +1708,7 @@ strcpy((char*)fin8.ok, "OK");
 SwapBytes(fin8.len);
 #endif
 
 SwapBytes(fin8.len);
 #endif
 

-Encrypt(&iaUser->ctx, (char*)&fin8, (char*)&fin8, Min8(sizeof(fin8))/8);
+EncryptString((char*)&fin8, (char*)&fin8, Min8(sizeof(fin8)), &iaUser->ctx);

 
 users->Unauthorize(iaUser->login, this);
 
 
 users->Unauthorize(iaUser->login, this);
 


@@ -1670,9 +1718,11 @@ 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);


@@ -1680,16 +1730,4 @@ strncpy((char *)keyL, password.c_str(), PASSWD_LEN);
 Blowfish_Init(ctx, keyL, PASSWD_LEN);
 }
 //-----------------------------------------------------------------------------
 Blowfish_Init(ctx, keyL, PASSWD_LEN);
 }
 //-----------------------------------------------------------------------------

-inline
-void Decrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, int len8)
-{
-for (int i = 0; i < len8; i++)
-    DecodeString(dst + i * 8, src + i * 8, ctx);
-}
-//-----------------------------------------------------------------------------
-inline
-void Encrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, int len8)
-{
-for (int i = 0; i < len8; i++)
-    EncodeString(dst + i * 8, src + i * 8, ctx);

 }
 }