Fix build on Darwin.

[stg.git] / projects / stargazer / plugins / capture / divert_freebsd / divert_cap.cpp

diff --git a/projects/stargazer/plugins/capture/divert_freebsd/divert_cap.cpp b/projects/stargazer/plugins/capture/divert_freebsd/divert_cap.cpp
index 98bf1b6c0c3e4340e1e81a462a8e318aed97773a..aebca0592bb2ad970e9351b1963985eccda068ac 100644 (file)
--- a/projects/stargazer/plugins/capture/divert_freebsd/divert_cap.cpp
+++ b/projects/stargazer/plugins/capture/divert_freebsd/divert_cap.cpp
@@ -45,7 +45,7 @@ $Date: 2010/09/10 06:43:03 $
 
 #include "stg/common.h"
 #include "stg/traffcounter.h"
 
 #include "stg/common.h"
 #include "stg/traffcounter.h"

-#include "sg/plugin_creator.h"
+#include "stg/plugin_creator.h"

 #include "divert_cap.h"
 
 #define BUFF_LEN (16384) /* max mtu -> lo=16436  TODO why?*/
 #include "divert_cap.h"
 
 #define BUFF_LEN (16384) /* max mtu -> lo=16436  TODO why?*/


@@ -54,7 +54,6 @@ $Date: 2010/09/10 06:43:03 $
 struct DIVERT_DATA {
 int sock;
 short int port;
 struct DIVERT_DATA {
 int sock;
 short int port;

-unsigned char buffer[BUFF_LEN];

 char iface[10];
 };
 //-----------------------------------------------------------------------------
 char iface[10];
 };
 //-----------------------------------------------------------------------------


@@ -63,7 +62,12 @@ DIVERT_DATA cddiv;  //capture data
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

+namespace
+{

 PLUGIN_CREATOR<DIVERT_CAP> dcc;
 PLUGIN_CREATOR<DIVERT_CAP> dcc;

+}
+
+extern "C" PLUGIN * GetPlugin();

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


@@ -74,19 +78,18 @@ return dcc.GetPlugin();
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

-const std::string DIVERT_CAP::GetVersion() const
+std::string DIVERT_CAP::GetVersion() const

 {
 {

-return "Divert_cap v.1.0";
+return "cap_divert v.1.0";

 }
 //-----------------------------------------------------------------------------
 DIVERT_CAP::DIVERT_CAP()
 }
 //-----------------------------------------------------------------------------
 DIVERT_CAP::DIVERT_CAP()

-    : settings(),
-      port(0),
-      errorStr(),
-      thread(),
+    : port(0),
+      disableForwarding(false),

       nonstop(false),
       isRunning(false),
       nonstop(false),
       isRunning(false),

-      traffCnt(NULL)
+      traffCnt(NULL),
+      logger(GetPluginLogger(GetStgLogger(), "cap_divert"))

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


@@ -104,14 +107,15 @@ if (DivertCapOpen() < 0)
 
 nonstop = true;
 
 
 nonstop = true;
 

-if (pthread_create(&thread, NULL, Run, this) == 0)
+if (pthread_create(&thread, NULL, Run, this))

     {
     {

-    return 0;
+    errorStr = "Cannot create thread.";
+    logger("Cannot create thread.");
+    printfd(__FILE__, "Cannot create thread\n");
+    return -1;

     }
 
     }
 

-errorStr = "Cannot create thread.";
-printfd(__FILE__, "Cannot create thread\n");
-return -1;
+return 0;

 }
 //-----------------------------------------------------------------------------
 int DIVERT_CAP::Stop()
 }
 //-----------------------------------------------------------------------------
 int DIVERT_CAP::Stop()


@@ -130,7 +134,8 @@ for (i = 0; i < 25; i++)
     if (!isRunning)
         break;
 
     if (!isRunning)
         break;
 

-    usleep(200000);
+    struct timespec ts = {0, 200000000};
+    nanosleep(&ts, NULL);

     }
 
 //after 5 seconds waiting thread still running. now killing it
     }
 
 //after 5 seconds waiting thread still running. now killing it


@@ -139,6 +144,7 @@ if (isRunning)
     if (pthread_kill(thread, SIGINT))
         {
         errorStr = "Cannot kill thread.";
     if (pthread_kill(thread, SIGINT))
         {
         errorStr = "Cannot kill thread.";

+        logger("Cannot send signal to thread.");

         printfd(__FILE__, "Cannot kill thread\n");
         return -1;
         }
         printfd(__FILE__, "Cannot kill thread\n");
         return -1;
         }


@@ -149,19 +155,23 @@ return 0;
 //-----------------------------------------------------------------------------
 void * DIVERT_CAP::Run(void * d)
 {
 //-----------------------------------------------------------------------------
 void * DIVERT_CAP::Run(void * d)
 {

-DIVERT_CAP * dc = (DIVERT_CAP *)d;
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
+DIVERT_CAP * dc = static_cast<DIVERT_CAP *>(d);

 dc->isRunning = true;
 
 dc->isRunning = true;
 

-char buffer[64];
+char buffer[pcktSize + 14];

 while (dc->nonstop)
     {
     RAW_PACKET rp;
 while (dc->nonstop)
     {
     RAW_PACKET rp;

-    dc->DivertCapRead(buffer, 64, NULL);
+    dc->DivertCapRead(buffer, sizeof(buffer), NULL);

 
     if (buffer[12] != 0x8)
         continue;
 
 
     if (buffer[12] != 0x8)
         continue;
 

-    memcpy(rp.pckt, &buffer[14], pcktSize);
+    memcpy(rp.rawPacket.pckt, &buffer[14], pcktSize);

 
     dc->traffCnt->Process(rp);
     }
 
     dc->traffCnt->Process(rp);
     }


@@ -192,6 +202,7 @@ cddiv.sock = socket(PF_INET, SOCK_RAW, IPPROTO_DIVERT);
 if (cddiv.sock < 0)
     {
     errorStr = "Create divert socket error.";
 if (cddiv.sock < 0)
     {
     errorStr = "Create divert socket error.";

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

     printfd(__FILE__, "Cannot create divert socket\n");
     return -1;
     }
     printfd(__FILE__, "Cannot create divert socket\n");
     return -1;
     }


@@ -209,6 +220,7 @@ ret = bind(cddiv.sock, (struct sockaddr *)&divAddr, sizeof(divAddr));
 if (ret < 0)
     {
     errorStr = "Bind divert socket error.";
 if (ret < 0)
     {
     errorStr = "Bind divert socket error.";

+    logger("Cannot bind the scoket: %s", strerror(errno));

     printfd(__FILE__, "Cannot bind divert socket\n");
     return -1;
     }
     printfd(__FILE__, "Cannot bind divert socket\n");
     return -1;
     }


@@ -246,7 +258,16 @@ if ((bytes = recvfrom (cddiv.sock, buf, BUFF_LEN,
     if (iface)
         *iface = cddiv.iface;
 
     if (iface)
         *iface = cddiv.iface;
 

-    sendto(cddiv.sock, buf, bytes, 0, (struct sockaddr*)&divertaddr, divertaddrSize);
+    if (!disableForwarding)
+        {
+        if (sendto(cddiv.sock, buf, bytes, 0, (struct sockaddr*)&divertaddr, divertaddrSize) < 0)
+            logger("sendto error: %s", strerror(errno));
+        }
+    }
+else
+    {
+    if (bytes < 0)
+        logger("recvfrom error: %s", strerror(errno));

     }
 
 return 0;
     }
 
 return 0;


@@ -266,13 +287,11 @@ std::vector<PARAM_VALUE>::const_iterator pvi;
 
 pv.param = "Port";
 pvi = std::find(settings.moduleParams.begin(), settings.moduleParams.end(), pv);
 
 pv.param = "Port";
 pvi = std::find(settings.moduleParams.begin(), settings.moduleParams.end(), pv);

-if (pvi == settings.moduleParams.end())
+if (pvi == settings.moduleParams.end() || pvi->value.empty())

     {
     {

-    port = 15701;
-    return 0;
+    p = 15701;

     }
     }

-
-if (ParseIntInRange(pvi->value[0], 1, 65535, &p))
+else if (ParseIntInRange(pvi->value[0], 1, 65535, &p))

     {
     errorStr = "Cannot parse parameter \'Port\': " + errorStr;
     printfd(__FILE__, "Cannot parse parameter 'Port'\n");
     {
     errorStr = "Cannot parse parameter \'Port\': " + errorStr;
     printfd(__FILE__, "Cannot parse parameter 'Port'\n");


@@ -281,6 +300,22 @@ if (ParseIntInRange(pvi->value[0], 1, 65535, &p))
 
 port = p;
 
 
 port = p;
 

+bool d = false;
+pv.param = "DisableForwarding";
+pvi = std::find(settings.moduleParams.begin(), settings.moduleParams.end(), pv);
+if (pvi == settings.moduleParams.end() || pvi->value.empty())
+    {
+    disableForwarding = false;
+    }
+else if (ParseYesNo(pvi->value[0], &d))
+    {
+    errorStr = "Cannot parse parameter \'DisableForwarding\': " + errorStr;
+    printfd(__FILE__, "Cannot parse parameter 'DisableForwarding'\n");
+    return -1;
+    }
+
+disableForwarding = d;
+

 return 0;
 }
 //-----------------------------------------------------------------------------
 return 0;
 }
 //-----------------------------------------------------------------------------