bettercap/modules/net_sniff_dns.go
2018-01-10 03:43:18 +01:00

34 lines
704 B
Go

package modules
import (
"github.com/evilsocket/bettercap-ng/core"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
)
func dnsParser(ip *layers.IPv4, pkt gopacket.Packet, udp *layers.UDP) bool {
dns, parsed := pkt.Layer(layers.LayerTypeDNS).(*layers.DNS)
if parsed == false {
return false
}
if dns.OpCode != layers.DNSOpCodeQuery || len(dns.Answers) == 0 {
return false
}
for _, a := range dns.Answers {
if a.IP == nil {
continue
}
SniffPrinter("[%s] %s %s > %s : %s is %s\n",
vTime(pkt.Metadata().Timestamp),
core.W(core.BG_DGRAY+core.FG_WHITE, "dns"),
vIP(ip.SrcIP),
vIP(ip.DstIP),
core.Yellow(string(a.Name)),
vIP(a.IP))
}
return true
}