why Packets are not received via raw socket from all protocol using ETH_P_ALL?

Asked Sep 23 '20 at 05:40

Active Sep 23 '20 at 10:35

Viewed 360 times

package main
import (
"fmt"
"syscall"
)
func main() { ` 
  fd, err:= syscall.Socket(syscall.AF_PACKET, syscall.SOCK_RAW, syscall.ETH_P_ALL) //opening raw socket
  if (err != nil) {
    fmt.Println("Error: " + err.Error())
    return;
  }
  fmt.Println("Obtained fd ", fd)
  defer syscall.Close(fd)


  sa:= &syscall.SockaddrInet4{
        Addr: [4]byte{10,75,24,6}, //defining my IP
        }
    e := syscall.Bind(fd, sa)  //binding my IP
    if e != nil {
        fmt.Println(e)   
         }   
   fmt.Println("Entering main loop")
    for {
        buf := make([]byte, 1024)
        numRead, err,_ := syscall.Recvfrom(fd,buf,0)   //reading the packets via raw sockets
        if err != nil {
            fmt.Println("error")
                }
        fmt.Printf("%X\n",buf[:numRead])
    }
}`

I'm trying to receive packets from all protocol using ETH_P_ALL in raw socket.But i'm not able to receive packets.This code is written in GoLang. Can you guys please help me to sort it out

edited Sep 23 '20 at 10:35

Umutambyi Gad

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asked Sep 23 '20 at 05:40

nivetha a

What concrete issues are you facing? – Christian Baumann Sep 23 '20 at 07:49
While reading from raw socket using Recvfrom() my program is struck not showing any error.while im pinging from local host im not able to receive the packets,even tried using Read() from syscall package in GO. – nivetha a Sep 23 '20 at 11:58
Will this code run? There are backticks after the opening and closing brackets in the main function. – Ross Jacobs Sep 23 '20 at 17:06
Yes this code will run – nivetha a Sep 24 '20 at 03:12

why Packets are not received via raw socket from all protocol using ETH_P_ALL?

0 Answers0