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new: working on win32 user space packet routing

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This commit is contained in:
evilsocket 2018-02-12 19:05:32 +01:00
commit d54cac6355
2 changed files with 42 additions and 2 deletions
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29
modules/arp_spoof.go
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@ -1,8 +1,10 @@
package modules
import (
"bytes"
"fmt"
"net"
"runtime"
"time"
"github.com/evilsocket/bettercap-ng/log"
@ -10,6 +12,8 @@ import (
"github.com/evilsocket/bettercap-ng/packets"
"github.com/evilsocket/bettercap-ng/session"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/malfunkt/iprange"
)
@ -135,6 +139,20 @@ func (p *ArpSpoofer) unSpoof() error {
return nil
}
func (p *ArpSpoofer) pktRouter(eth *layers.Ethernet, ip4 *layers.IPv4, pkt gopacket.Packet) {
if eth == nil || ip4 == nil {
return
}
for _, target := range p.addresses {
if bytes.Compare(ip4.SrcIP, target) == 0 {
// TODO: get real mac && patch
} else if bytes.Compare(ip4.DstIP, target) == 0 {
// TODO: get real mac && patch
}
}
}
func (p *ArpSpoofer) Configure() error {
var err error
var targets string
@ -153,8 +171,14 @@ func (p *ArpSpoofer) Configure() error {
log.Warning("Running in BAN mode, forwarding not enabled!")
p.Session.Firewall.EnableForwarding(false)
} else if p.Session.Firewall.IsForwardingEnabled() == false {
log.Info("Enabling forwarding.")
p.Session.Firewall.EnableForwarding(true)
if runtime.GOOS == "windows" {
log.Info("Using user space packet routing, disable forwarding.")
p.Session.Firewall.EnableForwarding(false)
p.Session.Queue.Route(p.pktRouter)
} else {
log.Info("Enabling forwarding.")
p.Session.Firewall.EnableForwarding(true)
}
}
return nil
@ -186,5 +210,6 @@ func (p *ArpSpoofer) Stop() error {
<-p.done
p.unSpoof()
p.ban = false
p.Session.Queue.Route(nil)
})
}