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feat: add more trace info (pid, pname, mac)

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This commit is contained in:
mzz2017
2023-02-21 16:10:44 +08:00
parent 474342c8f0
commit 384b4131a3
8 changed files with 143 additions and 110 deletions
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14
pkg/ebpf_internal/rawsock.go
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@ -3,29 +3,21 @@
package internal
import (
"encoding/binary"
"github.com/v2rayA/dae/common"
"syscall"
"unsafe"
)
func OpenRawSock(index int) (int, error) {
sock, err := syscall.Socket(syscall.AF_PACKET, syscall.SOCK_RAW|syscall.SOCK_NONBLOCK|syscall.SOCK_CLOEXEC, int(Htons(syscall.ETH_P_ALL)))
sock, err := syscall.Socket(syscall.AF_PACKET, syscall.SOCK_RAW|syscall.SOCK_NONBLOCK|syscall.SOCK_CLOEXEC, int(common.Htons(syscall.ETH_P_ALL)))
if err != nil {
return 0, err
}
sll := syscall.SockaddrLinklayer{
Ifindex: index,
Protocol: Htons(syscall.ETH_P_ALL),
Protocol: common.Htons(syscall.ETH_P_ALL),
}
if err := syscall.Bind(sock, &sll); err != nil {
return 0, err
}
return sock, nil
}
// Htons converts the unsigned short integer hostshort from host byte order to network byte order.
func Htons(i uint16) uint16 {
b := make([]byte, 2)
binary.BigEndian.PutUint16(b, i)
return *(*uint16)(unsafe.Pointer(&b[0]))
}