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Is it really working?!

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This commit is contained in:
Giuseppe Trotta 2018-02-15 19:45:29 +01:00
parent 0d03264ea5
commit ba3959bb33
1 changed files with 39 additions and 8 deletions
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47
modules/arp_spoof.go
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@ -152,20 +152,51 @@ func (p *ArpSpoofer) pktRouter(eth *layers.Ethernet, ip4 *layers.IPv4, pkt gopac
// 1. generated from one of our targets.
// 2. going to the router IP
// 3. but with our mac addresses as destination
targetMAC, err := p.getMAC(target, true);
if err != nil {
log.Error("Error retrieving target MAC address for %s", target.String(), err)
return
}
if ip4.SrcIP.Equal(target) == false {
continue
} else if ip4.DstIP.Equal(p.Session.Gateway.IP) == false {
continue
} else if bytes.Compare(eth.DstMAC, p.Session.Interface.HW) != 0 {
// If SRC_MAC is different from both TARGET(s) & GW ignore
if bytes.Compare(eth.SrcMAC, targetMAC) != 0 && bytes.Compare(eth.SrcMAC, p.Session.Gateway.HW) != 0 {
// TODO Delete this debug
//log.Debug("[ignored] [%s] ===> [%s]", eth.SrcMAC, eth.DstMAC)
continue
}
log.Info("Got packet to route: %s\n", pkt.String())
// If DST_MAC is not our Interface.IP ignore
if bytes.Compare(eth.DstMAC, p.Session.Interface.HW) != 0 {
// TODO Delete this debug
//log.Warning("[notForMiTM] [(%s) %s] ===> [%s (%s)]", eth.SrcMAC, ip4.SrcIP, ip4.DstIP, eth.DstMAC)
continue
}
copy(eth.DstMAC, p.Session.Gateway.HW)
if !ip4.SrcIP.Equal(target) && !ip4.DstIP.Equal(target) {
// TODO Delete this debug
//log.Warning("[notTarget] [(%s) %s] ===> [%s (%s)]", eth.SrcMAC, ip4.SrcIP, ip4.DstIP, eth.DstMAC)
continue
}
log.Info("After: %s\n", pkt.String())
// log.Info("Got packet to route: %s\n", pkt.String())
if bytes.Compare(eth.SrcMAC, targetMAC) == 0 {
copy(eth.SrcMAC, p.Session.Interface.HW)
copy(ip4.SrcIP, p.Session.Interface.IP)
copy(eth.DstMAC, p.Session.Gateway.HW)
copy(ip4.DstIP, ip4.DstIP)
log.Info("Target is sending")
} else {
copy(eth.SrcMAC, p.Session.Interface.HW)
copy(ip4.SrcIP, p.Session.Interface.IP)
copy(eth.DstMAC, targetMAC)
copy(ip4.DstIP, target)
log.Info("Gatway is sending")
}
//log.Info("After: %s\n", pkt.String())
data := pkt.Data()
if err := p.Session.Queue.Send(data); err != nil {