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misc: small fix or general refactoring i did not bother commenting

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This commit is contained in:
evilsocket 2018-02-11 21:13:51 +01:00
commit 2e52c2b122
1 changed files with 7 additions and 7 deletions
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14
modules/net_sniff.go
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@ -1,6 +1,7 @@
package modules
import (
"bytes"
"fmt"
"net"
"time"
@ -105,11 +106,11 @@ func same(a, b net.HardwareAddr) bool {
}
func (s Sniffer) isLocalPacket(packet gopacket.Packet) bool {
local_hw := s.Session.Interface.HW
eth := packet.Layer(layers.LayerTypeEthernet)
if eth != nil {
eth_packet, _ := eth.(*layers.Ethernet)
if same(eth_packet.SrcMAC, local_hw) || same(eth_packet.DstMAC, local_hw) {
eth, _ := eth.(*layers.Ethernet)
ifHw := s.Session.Interface.HW
if bytes.Compare(eth.SrcMAC, ifHw) == 0 || bytes.Compare(eth.DstMAC, ifHw) == 0 {
return true
}
}
@ -158,13 +159,12 @@ func (s *Sniffer) Start() error {
}
s.Stats.LastPacket = now
is_local := false
if s.isLocalPacket(packet) {
is_local = true
isLocal := s.isLocalPacket(packet)
if isLocal {
s.Stats.NumLocal++
}
if s.Ctx.DumpLocal == true || is_local == false {
if s.Ctx.DumpLocal == true || isLocal == false {
data := packet.Data()
if s.Ctx.Compiled == nil || s.Ctx.Compiled.Match(data) == true {
s.Stats.NumMatched++