1*527238f8Sbluhm#!/usr/local/bin/python3 2233b170eSbluhm 3*527238f8Sbluhmprint("ping6 fragment without payload with other proto after first fragment") 43c2c48acSbluhm 53c2c48acSbluhm# |---------| 63c2c48acSbluhm# || 73c2c48acSbluhm# |----| 83c2c48acSbluhm 93c2c48acSbluhmimport os 103c2c48acSbluhmfrom addr import * 113c2c48acSbluhmfrom scapy.all import * 123c2c48acSbluhm 139ae5678bSbluhmpid=os.getpid() 149ae5678bSbluhmeid=pid & 0xffff 15*527238f8Sbluhmpayload=b"ABCDEFGHIJKLMNOP" 167b3475a7Sbluhmpacket=IPv6(src=LOCAL_ADDR6, dst=REMOTE_ADDR6)/ \ 177b3475a7Sbluhm ICMPv6EchoRequest(id=eid, data=payload) 183c2c48acSbluhmfrag=[] 199ae5678bSbluhmfid=pid & 0xffffffff 20*527238f8Sbluhmfrag.append(IPv6ExtHdrFragment(nh=58, id=fid, m=1)/bytes(packet)[40:56]) 219ae5678bSbluhmfrag.append(IPv6ExtHdrFragment(nh=59, id=fid, m=1)) 22*527238f8Sbluhmfrag.append(IPv6ExtHdrFragment(nh=58, id=fid, offset=2)/bytes(packet)[56:64]) 233c2c48acSbluhmeth=[] 243c2c48acSbluhmfor f in frag: 257b3475a7Sbluhm pkt=IPv6(src=LOCAL_ADDR6, dst=REMOTE_ADDR6)/f 267b3475a7Sbluhm eth.append(Ether(src=LOCAL_MAC, dst=REMOTE_MAC)/pkt) 273c2c48acSbluhm 283c2c48acSbluhmif os.fork() == 0: 293c2c48acSbluhm time.sleep(1) 307b3475a7Sbluhm sendp(eth, iface=LOCAL_IF) 313c2c48acSbluhm os._exit(0) 323c2c48acSbluhm 337b3475a7Sbluhmans=sniff(iface=LOCAL_IF, timeout=3, filter= 347b3475a7Sbluhm "ip6 and src "+REMOTE_ADDR6+" and dst "+LOCAL_ADDR6+" and icmp6") 353c2c48acSbluhmfor a in ans: 369c70e3bfSbluhm if a and a.type == ETH_P_IPV6 and \ 373c2c48acSbluhm ipv6nh[a.payload.nh] == 'ICMPv6' and \ 383c2c48acSbluhm icmp6types[a.payload.payload.type] == 'Echo Reply': 393c2c48acSbluhm id=a.payload.payload.id 40*527238f8Sbluhm print("id=%#x" % (id)) 419ae5678bSbluhm if id != eid: 42*527238f8Sbluhm print("WRONG ECHO REPLY ID") 433c2c48acSbluhm exit(2) 443c2c48acSbluhm data=a.payload.payload.data 45*527238f8Sbluhm print("payload=%s" % (data)) 463c2c48acSbluhm if data == payload: 473c2c48acSbluhm exit(0) 48*527238f8Sbluhm print("PAYLOAD!=%s" % (payload)) 493c2c48acSbluhm exit(2) 50*527238f8Sbluhmprint("NO ECHO REPLY") 513c2c48acSbluhmexit(1) 52