X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/ede91934442fd804d7b818971a44e3ad795cb01f..19b1d5971c25819b3ccfe48cac16ff4e2daa6ec4:/projects/stargazer/plugins/capture/ether_freebsd/ether_cap.cpp

diff --git a/projects/stargazer/plugins/capture/ether_freebsd/ether_cap.cpp b/projects/stargazer/plugins/capture/ether_freebsd/ether_cap.cpp
index 0f6cb98c..24705111 100644
--- a/projects/stargazer/plugins/capture/ether_freebsd/ether_cap.cpp
+++ b/projects/stargazer/plugins/capture/ether_freebsd/ether_cap.cpp
@@ -39,70 +39,42 @@ $Author: faust $
 #include <net/if.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
-
-#include <errno.h>
 #include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <signal.h>
 #include <unistd.h>
 
-#include "ether_cap.h"
-#include "common.h"
-#include "raw_ip_packet.h"
+#include <cerrno>
+#include <cstdio>
+#include <cstring>
+#include <cstdlib>
+#include <csignal>
 
-//#define CAP_DEBUG 1
-//-----------------------------------------------------------------------------
+#include "stg/common.h"
+#include "stg/raw_ip_packet.h"
+#include "stg/traffcounter.h"
+#include "stg/plugin_creator.h"
 
-//-----------------------------------------------------------------------------
-class BPF_CAP_CREATOR {
-private:
-    BPF_CAP * bpfc;
+#include "ether_cap.h"
 
-public:
-    BPF_CAP_CREATOR()
-        : bpfc(new BPF_CAP())
-        {
-        };
-    ~BPF_CAP_CREATOR()
-        {
-        delete bpfc;
-        };
+//#define CAP_DEBUG 1
 
-    BPF_CAP * GetCapturer()
-    {
-    return bpfc;
-    };
-};
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
-BPF_CAP_CREATOR bcc;
+PLUGIN_CREATOR<BPF_CAP> bcc;
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 PLUGIN * GetPlugin()
 {
-return bcc.GetCapturer();
+return bcc.GetPlugin();
 }
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 int BPF_CAP_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
 {
-//char sep[]= ", \t\n\r";
-//char *s;
-std::string ifaces;
-//char * str;
-//char *p;
-
 iface.erase(iface.begin(), iface.end());
 
-//PARAM_VALUE pv;
-//pv.param = "WorkDir";
-//vector<PARAM_VALUE>::const_iterator pvi;
-
 if (s.moduleParams.empty())
     {
     errorStr = "Parameter \'iface\' not found.";
@@ -124,32 +96,6 @@ for (unsigned i = 0; i < s.moduleParams.size(); i++)
         }
     }
 
-/*if (cf.ReadString("Iface", &ifaces, "NoIface") < 0)
-    {
-    errorStr = "Cannot read parameter \'Iface\' from " + cf.GetFileName();
-    return -1;
-    }
-
-str = new char[ifaces.size() + 1];
-strcpy(str, ifaces.c_str());
-p = str;
-
-while((s = strtok(p, sep)))
-    {
-    printfd(__FILE__, "iface[] = %s\n", s);
-    p = NULL;
-    iface.push_back(s);
-    //strncpy(iface[i++], s, DEV_NAME_LEN);
-    //devNum++;
-    }
-
-delete[] str;
-if (!ifaces.size())
-    {
-    errorStr = "Error read parameter \'Iface\' from " + cf.GetFileName();
-    return -1;
-    }*/
-
 return 0;
 }
 //-----------------------------------------------------------------------------
@@ -170,18 +116,19 @@ return "bpf_cap v.1.0";
 }
 //-----------------------------------------------------------------------------
 BPF_CAP::BPF_CAP()
-    : nonstop(false),
+    : capSettings(),
+      errorStr(),
+      bpfData(),
+      polld(),
+      thread(),
+      nonstop(false),
       isRunning(false),
       capSock(-1),
+      settings(),
       traffCnt(NULL)
 {
 }
 //-----------------------------------------------------------------------------
-void BPF_CAP::SetSettings(const MODULE_SETTINGS & s)
-{
-settings = s;
-}
-//-----------------------------------------------------------------------------
 int BPF_CAP::ParseSettings()
 {
 int ret = capSettings.ParseSettings(settings);
@@ -193,16 +140,6 @@ if (ret)
 return 0;
 }
 //-----------------------------------------------------------------------------
-void BPF_CAP::SetTraffcounter(TRAFFCOUNTER * tc)
-{
-traffCnt = tc;
-}
-//-----------------------------------------------------------------------------
-const std::string & BPF_CAP::GetStrError() const
-{
-return errorStr;
-}
-//-----------------------------------------------------------------------------
 int BPF_CAP::Start()
 {
 if (isRunning)
@@ -242,7 +179,8 @@ for (i = 0; i < 25; i++)
     if (!isRunning)
         break;
 
-    usleep(200000);
+    struct timespec ts = {0, 200000000};
+    nanosleep(&ts, NULL);
     }
 
 //after 5 seconds waiting thread still running. now killing it
@@ -260,14 +198,13 @@ if (isRunning)
 return 0;
 }
 //-----------------------------------------------------------------------------
-bool BPF_CAP::IsRunning()
-{
-return isRunning;
-}
-//-----------------------------------------------------------------------------
 void * BPF_CAP::Run(void * d)
 {
-BPF_CAP * dc = (BPF_CAP *)d;
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
+BPF_CAP * dc = static_cast<BPF_CAP *>(d);
 dc->isRunning = true;
 
 uint8_t hdr[96]; //68 + 14 + 4(size) + 9(SYS_IFACE) + 1(align to 4) = 96
@@ -280,12 +217,11 @@ char * iface;
 
 while (dc->nonstop)
     {
-    dc->BPFCapRead((char*)&hdr, 68 + 14, &iface);
+    if (dc->BPFCapRead((char*)&hdr, 68 + 14, &iface))
+        continue;
 
     if (!(hdr[12] == 0x8 && hdr[13] == 0x0))
-    {
         continue;
-    }
 
     dc->traffCnt->Process(*rpp);
     }
@@ -294,19 +230,8 @@ dc->isRunning = false;
 return NULL;
 }
 //-----------------------------------------------------------------------------
-uint16_t BPF_CAP::GetStartPosition() const
-{
-return 0;
-}
-//-----------------------------------------------------------------------------
-uint16_t BPF_CAP::GetStopPosition() const
-{
-return 0;
-}
-//-----------------------------------------------------------------------------
 int BPF_CAP::BPFCapOpen()
 {
-//for (int i = 0; i < settings->devNum; i++)
 int i = 0;
 BPF_DATA bd;
 pollfd pd;
@@ -315,9 +240,9 @@ while ((bd.iface = capSettings.GetIface(i)) != "")
     {
     bpfData.push_back(bd);
     if (BPFCapOpen(&bpfData[i]) < 0)
-    {
-    return -1;
-    }
+        {
+        return -1;
+        }
 
     pd.events = POLLIN;
     pd.fd = bpfData[i].fd;
@@ -328,7 +253,6 @@ while ((bd.iface = capSettings.GetIface(i)) != "")
 return 0;
 }
 //-----------------------------------------------------------------------------
-//int BPF_CAP::BPFCapOpen(string ifaceToOpen)
 int BPF_CAP::BPFCapOpen(BPF_DATA * bd)
 {
 char devbpf[20];
@@ -337,15 +261,13 @@ int l = BUFF_LEN;
 int im = 1;
 struct ifreq ifr;
 
-do  {
+do
+    {
     sprintf(devbpf, "/dev/bpf%d", i);
     i++;
     bd->fd = open(devbpf, O_RDONLY);
-    //cd[n].fd = open(devbpf, O_RDONLY);
     } while(bd->fd < 0 && errno == EBUSY);
-      //while(cd[n].fd < 0 && errno == EBUSY);
 
-//if (cd[n].fd < 0)
 if (bd->fd < 0)
     {
     errorStr = "Can't capture packets. Open bpf device for " + bd->iface + " error.";
@@ -353,10 +275,8 @@ if (bd->fd < 0)
     return -1;
     }
 
-//strncpy(ifr.ifr_name, settings->iface[n], sizeof(ifr.ifr_name));
 strncpy(ifr.ifr_name, bd->iface.c_str(), sizeof(ifr.ifr_name));
 
-//if (ioctl(cd[n].fd, BIOCSBLEN, (caddr_t)&l) < 0)
 if (ioctl(bd->fd, BIOCSBLEN, (caddr_t)&l) < 0)
     {
     errorStr = bd->iface + " BIOCSBLEN " + std::string(strerror(errno));
@@ -364,7 +284,6 @@ if (ioctl(bd->fd, BIOCSBLEN, (caddr_t)&l) < 0)
     return -1;
     }
 
-//if (ioctl(cd[n].fd, BIOCSETIF, (caddr_t)&ifr) < 0 )
 if (ioctl(bd->fd, BIOCSETIF, (caddr_t)&ifr) < 0)
     {
     errorStr = bd->iface + " BIOCSETIF " + std::string(strerror(errno));
@@ -372,7 +291,6 @@ if (ioctl(bd->fd, BIOCSETIF, (caddr_t)&ifr) < 0)
     return -1;
     }
 
-//if (ioctl(cd[n].fd, BIOCIMMEDIATE, &im) < 0 )
 if (ioctl(bd->fd, BIOCIMMEDIATE, &im) < 0)
     {
     errorStr = bd->iface + " BIOCIMMEDIATE " + std::string(strerror(errno));
@@ -381,13 +299,12 @@ if (ioctl(bd->fd, BIOCIMMEDIATE, &im) < 0)
     }
 
 return bd->fd;
-//return 0;
 }
 //-----------------------------------------------------------------------------
 int BPF_CAP::BPFCapClose()
 {
 for (unsigned int i = 0; i < bpfData.size(); i++)
-  close(bpfData[i].fd);
+    close(bpfData[i].fd);
 return 0;
 }
 //-----------------------------------------------------------------------------
@@ -399,12 +316,16 @@ for (unsigned int i = 0; i < polld.size(); i++)
     {
     if (polld[i].revents & POLLIN)
         {
-        BPFCapRead(buffer, blen, capIface, &bpfData[i]);
+        if (BPFCapRead(buffer, blen, capIface, &bpfData[i]))
+            {
+            polld[i].revents = 0;
+            continue;
+            }
         polld[i].revents = 0;
         return 0;
         }
     }
-return 0;
+return -1;
 }
 //-----------------------------------------------------------------------------
 int BPF_CAP::BPFCapRead(char * buffer, int blen, char **, BPF_DATA * bd)
@@ -414,8 +335,9 @@ if (bd->canRead)
     bd->r = read(bd->fd, bd->buffer, BUFF_LEN);
     if (bd->r < 0)
         {
-        //printfd(__FILE__, " error read\n");
-        usleep(20000);
+        struct timespec ts = {0, 20000000};
+        nanosleep(&ts, NULL);
+        return -1;
         }
 
     bd->p = bd->buffer;
@@ -426,8 +348,6 @@ if (bd->canRead)
 if(bd->r > bd->sum)
     {
     memcpy(buffer, (char*)(bd->p) + bd->bh->bh_hdrlen, blen);
-    //strncpy(iface, settings->iface[n], 9);
-    //*iface = settings->iface[n];
 
     bd->sum += BPF_WORDALIGN(bd->bh->bh_hdrlen + bd->bh->bh_caplen);
     bd->p = bd->p + BPF_WORDALIGN(bd->bh->bh_hdrlen + bd->bh->bh_caplen);
@@ -443,4 +363,3 @@ if(bd->r <= bd->sum)
 return 0;
 }
 //-----------------------------------------------------------------------------
-