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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 2018-02-25 15:29:46 +01:00
parent b55224b545
commit d490491fe8
1 changed files with 13 additions and 4 deletions
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17
packets/queue.go
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@ -163,12 +163,21 @@ func (q *Queue) worker() {
eth := leth.(*layers.Ethernet)
ip4 := lip4.(*layers.IPv4)
// coming from our network
if bytes.Compare(q.iface.IP, ip4.SrcIP) != 0 && q.iface.Net.Contains(ip4.SrcIP) {
// here we try to discover new hosts
// on this lan by inspecting packets
// we manage to sniff
// something coming from someone on the LAN
isFromMe := bytes.Compare(q.iface.IP, ip4.SrcIP) == 0
isFromLAN := q.iface.Net.Contains(ip4.SrcIP)
if isFromMe == false && isFromLAN {
q.trackActivity(eth, ip4, ip4.SrcIP, pktSize, true)
}
// coming to our network
if bytes.Compare(q.iface.IP, ip4.DstIP) != 0 && q.iface.Net.Contains(ip4.DstIP) {
// something going to someone on the LAN
isToMe := bytes.Compare(q.iface.IP, ip4.DstIP) == 0
isToLAN := q.iface.Net.Contains(ip4.DstIP)
if isToMe == false && isToLAN {
q.trackActivity(eth, ip4, ip4.DstIP, pktSize, false)
}
}