nexmon – Blame information for rev 1
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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | office | 1 | #!/usr/bin/env python |
| 2 | |||
| 3 | import sys |
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| 4 | from scapy import * |
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| 5 | import pcapy |
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| 6 | from impacket.ImpactDecoder import * |
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| 7 | |||
| 8 | try: |
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| 9 | conf.verb=0 |
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| 10 | except NameError: |
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| 11 | # Scapy v2 |
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| 12 | from scapy.all import * |
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| 13 | conf.verb=0 |
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| 14 | |||
| 15 | if len(sys.argv) != 2: |
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| 16 | print "Usage: ./replay.py <iface>" |
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| 17 | sys.exit(1) |
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| 18 | |||
| 19 | interface=sys.argv[1] |
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| 20 | |||
| 21 | max_bytes = 2048 |
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| 22 | promiscuous = False |
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| 23 | read_timeout = 100 # in milliseconds |
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| 24 | packet_limit = -1 # infinite |
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| 25 | |||
| 26 | pc = pcapy.open_live(interface, max_bytes, promiscuous, read_timeout) |
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| 27 | |||
| 28 | def recv_pkts(hdr, data): |
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| 29 | replay = True |
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| 30 | |||
| 31 | if data[11] == "\xFF": |
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| 32 | return |
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| 33 | |||
| 34 | # separate ethernet header and ieee80211 packet |
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| 35 | raw_header = data[:11] + "\xFF" + data[12:14] |
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| 36 | header = Ether(raw_header) |
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| 37 | |||
| 38 | try: |
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| 39 | # end of separation |
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| 40 | packet = Dot11(data[14:]) |
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| 41 | except struct.error: |
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| 42 | # Ignore unpack errors on short packages |
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| 43 | return |
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| 44 | |||
| 45 | # manipulate/drop/insert dot11 packet |
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| 46 | print packet.summary() |
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| 47 | # end of manipulation |
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| 48 | |||
| 49 | # construct packet and replay |
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| 50 | if replay == True: |
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| 51 | data = header/packet |
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| 52 | sendp(data, iface=interface) |
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| 53 | |||
| 54 | pc.loop(packet_limit, recv_pkts) # capture packets |
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| 55 |