def getDNSPacket(self):
"""
构造DNS报文
:return:
"""
try:
dns = DNS()
dns.id = int(self.entries[0].get())
dns.qr = int(self.entries[1].get())
dns.opcode = int(self.entries[2].get())
dns.rd = int(self.entries[3].get())
dns.qd = DNSQR(qname=self.entries[4].get())
udp = UDP()
ip = IP()
ip.dst = self.entries[5].get()
dns_packet = Ether() / ip / udp / dns
dns_packet.show()
self.resultText.insert('end', dns_packet.summary() + '\n')
self.resultText.insert('end', str(dns_packet) + '\n')
return dns_packet
except Exception as e:
print(e.with_traceback())
finally:
pass
###################################################################
#reset a thing or so..
my_query = "wpad"
print "-------------------------------------------------"
print "Sending mDNS request for " + my_query + ".."
ethernet = Ether(src=my_mac,dst=mdns_target_mac)
ip = IP(src=my_ip,dst=mdns_target_ip)
udp = UDP(sport=5353,dport=5353)
dns = DNS()
dns.id = queryid
dns.qr = 0
dns.opcode = 0
dns.qdcount = 1
dns.rq = 0
dns.qd = DNSQR(qname=my_query,qtype=my_qtype)
pkt=ethernet/ip/udp/dns
ans,unans=srp(pkt,multi=True,verbose=0,timeout=1)
for p in ans:
print "-------------------------------------------------"
print "Response from: " + p[1][Ether].src, p[1][IP].src
print "-------------------------------------------------"
print ans
print unans
my_query = randomstuff(16)
print "-------------------------------------------------"
print "Sending mDNS request for random host (" + my_query + ") .."
print ""
###################################################################
#reset a thing or so..
my_query = "wpad"
print "-------------------------------------------------"
print "Sending mDNS request for " + my_query + ".."
ethernet = Ether(src=my_mac, dst=mdns_target_mac)
ip = IP(src=my_ip, dst=mdns_target_ip)
udp = UDP(sport=5353, dport=5353)
dns = DNS()
dns.id = queryid
dns.qr = 0
dns.opcode = 0
dns.qdcount = 1
dns.rq = 0
dns.qd = DNSQR(qname=my_query, qtype=my_qtype)
pkt = ethernet / ip / udp / dns
ans, unans = srp(pkt, multi=True, verbose=0, timeout=1)
for p in ans:
print "-------------------------------------------------"
print "Response from: " + p[1][Ether].src, p[1][IP].src
print "-------------------------------------------------"
print ans
print unans
my_query = randomstuff(16)
print "-------------------------------------------------"
print "Sending mDNS request for random host (" + my_query + ") .."
