Various fixes of issues reported by static analyzers.

[stg.git] / projects / stargazer / traffcounter_impl.cpp

diff --git a/projects/stargazer/traffcounter_impl.cpp b/projects/stargazer/traffcounter_impl.cpp
index a02e3b6d520f2c0350cbd9eeec2b200a71088896..8cc08839151a2fb7dde09763468be225251b6729 100644 (file)
--- a/projects/stargazer/traffcounter_impl.cpp
+++ b/projects/stargazer/traffcounter_impl.cpp
@@ -41,6 +41,7 @@
 
 #include "stg/common.h"
 #include "stg/locker.h"
+#include "stg/const.h" // MONITOR_TIME_DELAY_SEC
 #include "traffcounter_impl.h"
 #include "stg_timer.h"
 #include "users_impl.h"
@@ -67,6 +68,7 @@ TRAFFCOUNTER_IMPL::TRAFFCOUNTER_IMPL(USERS_IMPL * u, const std::string & fn)
       rulesFileName(fn),
       monitorDir(),
       monitoring(false),
+      touchTimeP(stgTime - MONITOR_TIME_DELAY_SEC),
       users(u),
       running(false),
       stopped(true),
@@ -95,7 +97,7 @@ pthread_mutex_destroy(&mutex);
 //-----------------------------------------------------------------------------
 int TRAFFCOUNTER_IMPL::Start()
 {
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+STG_LOCKER lock(&mutex);
 
 if (!stopped)
     return 0;
@@ -152,16 +154,9 @@ for (int i = 0; i < 25 && !stopped; i++)
     nanosleep(&ts, NULL);
     }
 
-//after 5 seconds waiting thread still running. now kill it
 if (!stopped)
-    {
-    printfd(__FILE__, "kill TRAFFCOUNTER thread.\n");
-    if (pthread_kill(thread, SIGINT))
-        {
-        return -1;
-        }
-    printfd(__FILE__, "TRAFFCOUNTER killed\n");
-    }
+    return -1;
+
 printfd(__FILE__, "TRAFFCOUNTER::Stop()\n");
 
 return 0;
@@ -193,7 +188,7 @@ while (tc->running)
         std::string monFile(tc->monitorDir + "/traffcounter_r");
         printfd(__FILE__, "Monitor=%d file TRAFFCOUNTER %s\n", tc->monitoring, monFile.c_str());
         touchTime = stgTime;
-        TouchFile(monFile.c_str());
+        TouchFile(monFile);
         }
 
     if (++c % FLUSH_TIME == 0)
@@ -209,17 +204,15 @@ void TRAFFCOUNTER_IMPL::Process(const RAW_PACKET & rawPacket)
 if (!running)
     return;
 
-static time_t touchTime = stgTime - MONITOR_TIME_DELAY_SEC;
-
-if (monitoring && (touchTime + MONITOR_TIME_DELAY_SEC <= stgTime))
+if (monitoring && (touchTimeP + MONITOR_TIME_DELAY_SEC <= stgTime))
     {
-    static std::string monFile = monitorDir + "/traffcounter_p";
+    std::string monFile = monitorDir + "/traffcounter_p";
     printfd(__FILE__, "Monitor=%d file TRAFFCOUNTER %s\n", monitoring, monFile.c_str());
-    touchTime = stgTime;
-    TouchFile(monFile.c_str());
+    touchTimeP = stgTime;
+    TouchFile(monFile);
     }
 
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+STG_LOCKER lock(&mutex);
 
 //printfd(__FILE__, "TRAFFCOUNTER::Process()\n");
 //TODO replace find with lower_bound.
@@ -297,14 +290,14 @@ if (ed.userUPresent ||
 //-----------------------------------------------------------------------------
 void TRAFFCOUNTER_IMPL::FlushAndRemove()
 {
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+STG_LOCKER lock(&mutex);
 
-int oldPacketsSize = packets.size();
-int oldIp2packetsSize = ip2packets.size();
+Packets::size_type oldPacketsSize = packets.size();
+Index::size_type oldIp2packetsSize = ip2packets.size();
 
 pp_iter pi;
 pi = packets.begin();
-std::map<RAW_PACKET, PACKET_EXTRA_DATA> newPackets;
+Packets newPackets;
 ip2packets.erase(ip2packets.begin(), ip2packets.end());
 while (pi != packets.end())
     {
@@ -384,7 +377,7 @@ printfd(__FILE__, "AddUser: %s\n", user->GetLogin().c_str());
 uint32_t uip = user->GetCurrIP();
 std::pair<ip2p_iter, ip2p_iter> pi;
 
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+STG_LOCKER lock(&mutex);
 // Find all packets with IP belongs to this user
 pi = ip2packets.equal_range(uip);
 
@@ -421,7 +414,7 @@ void TRAFFCOUNTER_IMPL::DelUser(uint32_t uip)
 printfd(__FILE__, "DelUser: %s \n", inet_ntostring(uip).c_str());
 std::pair<ip2p_iter, ip2p_iter> pi;
 
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+STG_LOCKER lock(&mutex);
 pi = ip2packets.equal_range(uip);
 
 while (pi.first != pi.second)
@@ -516,10 +509,10 @@ void TRAFFCOUNTER_IMPL::DeterminateDir(const RAW_PACKET & packet,
                                        int * dirU, // Direction for incoming packet
                                        int * dirD) const // Direction for outgoing packet
 {
-bool addrMatchU;
-bool portMatchU;
-bool addrMatchD;
-bool portMatchD;
+bool addrMatchU = false;
+bool portMatchU = false;
+bool addrMatchD = false;
+bool portMatchD = false;
 bool foundU = false; // Was rule for U found ?
 bool foundD = false; // Was rule for D found ?
 //printfd(__FILE__, "foundU=%d, foundD=%d\n", foundU, foundD);
@@ -533,7 +526,6 @@ while (ln != rules.end())
     {
     if (!foundU)
         {
-        addrMatchU = false;
         portMatchU = false;
 
         switch (ln->proto)
@@ -573,14 +565,12 @@ while (ln != rules.end())
             foundU = true;
             *dirU = ln->dir;
             //printfd(__FILE__, "Up rule ok! %d\n", ln->dir);
-            //PrintRule(ln->rule);
             }
 
         } //if (!foundU)
 
     if (!foundD)
         {
-        addrMatchD = false;
         portMatchD = false;
 
         switch (ln->proto)
@@ -620,7 +610,6 @@ while (ln != rules.end())
             foundD = true;
             *dirD = ln->dir;
             //printfd(__FILE__, "Down rule ok! %d\n", ln->dir);
-            //PrintRule(ln->rule);
             }
         } //if (!foundD)
 
@@ -632,13 +621,6 @@ if (!foundU)
 
 if (!foundD)
     *dirD = DIR_NUM;
-
-return;
-};
-//-----------------------------------------------------------------------------
-void TRAFFCOUNTER_IMPL::SetRulesFile(const std::string & fn)
-{
-rulesFileName = fn;
 }
 //-----------------------------------------------------------------------------
 bool TRAFFCOUNTER_IMPL::ReadRules(bool test)
@@ -670,7 +652,7 @@ while (fgets(str, 1023, f))
         continue;
         }
 
-    r = sscanf(str,"%s %s %s", tp, ta, td);
+    r = sscanf(str,"%99s %99s %99s", tp, ta, td);
     if (r != 3)
         {
         printfd(__FILE__, "TRAFFCOUNTER_IMPL::ReadRules() - Error in file '%s' at line %d. There must be 3 parameters.\n", rulesFileName.c_str(), lineNumber);
@@ -682,13 +664,13 @@ while (fgets(str, 1023, f))
     rul.proto = 0xff;
     rul.dir = 0xff;
 
-    for (int i = 0; i < PROTOMAX; i++)
+    for (uint8_t i = 0; i < PROTOMAX; i++)
         {
         if (strcasecmp(tp, protoName[i]) == 0)
             rul.proto = i;
         }
 
-    for (int i = 0; i < DIR_NUM + 1; i++)
+    for (uint32_t i = 0; i < DIR_NUM + 1; i++)
         {
         if (td == dirName[i])
             rul.dir = i;
@@ -713,7 +695,6 @@ while (fgets(str, 1023, f))
         }
     if (!test)
         rules.push_back(rul);
-    //PrintRule(rul);
     }
 
 fclose(f);
@@ -729,14 +710,12 @@ rul.proto = all;
 if (!test)
     rules.push_back(rul);
 
-//PrintRule(rul);
-
 return false;
 }
 //-----------------------------------------------------------------------------
 int TRAFFCOUNTER_IMPL::Reload()
 {
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+STG_LOCKER lock(&mutex);
 
 if (ReadRules(true))
     {
@@ -747,8 +726,8 @@ if (ReadRules(true))
 
 FreeRules();
 ReadRules();
-printfd(__FILE__, "TRAFFCOUNTER_IMPL::Reload() -  Reload rules successfull.\n");
-WriteServLog("TRAFFCOUNTER: Reload rules successfull.");
+printfd(__FILE__, "TRAFFCOUNTER_IMPL::Reload() -  Reloaded rules successfully.\n");
+WriteServLog("TRAFFCOUNTER: Reloaded rules successfully.");
 return 0;
 }
 //-----------------------------------------------------------------------------
@@ -756,9 +735,9 @@ bool TRAFFCOUNTER_IMPL::ParseAddress(const char * ta, RULE * rule) const
 {
 char addr[50], mask[20], port1[20], port2[20], ports[40];
 
-int len = strlen(ta);
+size_t len = strlen(ta);
 char n = 0;
-int i, p;
+size_t i, p;
 memset(addr, 0, sizeof(addr));
 for (i = 0; i < len; i++)
     {
@@ -834,32 +813,32 @@ else
     }
 
 // Convert strings to mask, ports and IP
-int prt1, prt2, msk;
-unsigned ip;
+uint16_t prt1, prt2, msk;
+struct in_addr ipaddr;
 char *res;
 
-msk = strtol(mask, &res, 10);
+msk = static_cast<uint16_t>(strtol(mask, &res, 10));
 if (*res != 0)
     return true;
 
-prt1 = strtol(port1, &res, 10);
+prt1 = static_cast<uint16_t>(strtol(port1, &res, 10));
 if (*res != 0)
     return true;
 
-prt2 = strtol(port2, &res, 10);
+prt2 = static_cast<uint16_t>(strtol(port2, &res, 10));
 if (*res != 0)
     return true;
 
-int r = inet_aton(addr, (struct in_addr*)&ip);
+int r = inet_aton(addr, &ipaddr);
 if (r == 0)
     return true;
 
-rule->ip = ip;
+rule->ip = ipaddr.s_addr;
 rule->mask = CalcMask(msk);
 //msk = 1;
 //printfd(__FILE__, "msk=%d mask=%08X   mask=%08X\n", msk, rule->mask, (0xFFffFFff << (32 - msk)));
 
-if ((ip & rule->mask) != ip)
+if ((ipaddr.s_addr & rule->mask) != ipaddr.s_addr)
     {
     printfd(__FILE__, "TRAFFCOUNTER_IMPL::ParseAddress() - Address does'n match mask.\n");
     WriteServLog("Address does'n match mask.");
@@ -884,37 +863,9 @@ void TRAFFCOUNTER_IMPL::FreeRules()
 rules.clear();
 }
 //-----------------------------------------------------------------------------
-void TRAFFCOUNTER_IMPL::PrintRule(RULE rule) const
-{
-printf("%15s   ", inet_ntostring(rule.ip).c_str());
-printf("mask=%08X ", rule.mask);
-printf("port1=%5d ", rule.port1);
-printf("port2=%5d ", rule.port2);
-switch (rule.proto)
-    {
-    case 0:
-        printf("TCP     ");
-        break;
-    case 1:
-        printf("UDP     ");
-        break;
-    case 2:
-        printf("ICMP    ");
-        break;
-    case 3:
-        printf("TCP_UDP ");
-        break;
-    case 4:
-        printf("ALL     ");
-        break;
-    }
-printf("dir=%d \n", rule.dir);
-return;
-}
-//-----------------------------------------------------------------------------
-void TRAFFCOUNTER_IMPL::SetMonitorDir(const std::string & monitorDir)
+void TRAFFCOUNTER_IMPL::SetMonitorDir(const std::string & dir)
 {
-TRAFFCOUNTER_IMPL::monitorDir = monitorDir;
-monitoring = (monitorDir != "");
+monitorDir = dir;
+monitoring = !monitorDir.empty();
 }
 //-----------------------------------------------------------------------------