/usr/lib/python3/dist-packages/scapy/scapypipes.py is in python3-scapy 0.23-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | ## This file is part of Scapy
## See http://www.secdev.org/projects/scapy for more informations
## Copyright (C) Philippe Biondi <phil@secdev.org>
## This program is published under a GPLv2 license
from .pipetool import Source,Drain,Sink
from .config import conf
class SniffSource(Source):
"""Read packets from an interface and send them to low exit.
+-----------+
>>-| |->>
| |
>-| [iface]--|->
+-----------+
"""
def __init__(self, iface=None, filter=None, name=None):
Source.__init__(self, name=name)
self.iface = iface
self.filter = filter
def start(self):
self.s = conf.L2listen(iface=self.iface, filter=self.filter)
def stop(self):
self.s.close()
def fileno(self):
return self.s.fileno()
def deliver(self):
self._send(self.s.recv())
class ConsolePacketSink(Sink):
"""Show packets on low and high entries
+-------+
>>-|--. |->>
| show |
>-|--' |->
+-------+
"""
def push(self, msg):
print(">%r" % msg.show())
def high_push(self, msg):
print(">>%r" % msg.show())
class RdpcapSource(Source):
"""Read packets from a PCAP file send them to low exit.
+----------+
>>-| |->>
| |
>-| [pcap]--|->
+----------+
"""
def __init__(self, fname, name=None):
Source.__init__(self, name=name)
self.fname = fname
self.f = PcapReader(self.fname)
def start(self):
print("start")
self.f = PcapReader(self.fname)
self.is_exhausted = False
def stop(self):
print("stop")
self.f.close()
def fileno(self):
return self.f.fileno()
def deliver(self):
p = self.f.recv()
print("deliver %r" % p)
if p is None:
self.is_exhausted = True
else:
self._send(p)
class InjectSink(Sink):
"""Packets received on low input are injected to an interface
+-----------+
>>-| |->>
| |
>-|--[iface] |->
+-----------+
"""
def __init__(self, iface=None, name=None):
Sink.__init__(self, name=name)
if iface == None:
iface = conf.iface
self.iface = iface
def start(self):
self.s = conf.L2socket(iface=self.iface)
def stop(self):
self.s.close()
def push(self, msg):
self.s.send(msg)
class Inject3Sink(InjectSink):
def start(self):
self.s = conf.L3socket(iface=self.iface)
class WrpcapSink(Sink):
"""Packets received on low input are written to PCA file
+----------+
>>-| |->>
| |
>-|--[pcap] |->
+----------+
"""
def __init__(self, fname, name=None):
Sink.__init__(self, name=name)
self.f = PcapWriter(fname)
def stop(self):
self.f.flush()
def push(self, msg):
self.f.write(msg)
class UDPDrain(Drain):
"""Apply a function to messages on low and high entry
+-------------+
>>-|--[payload]--|->>
| X |
>-|----[UDP]----|->
+-------------+
"""
def __init__(self, ip="127.0.0.1", port=1234):
Drain.__init__(self)
self.ip = ip
self.port = port
def push(self, msg):
if IP in msg and msg[IP].proto == 17 and UDP in msg:
payload = msg[UDP].payload
self._high_send(str(payload))
def high_push(self, msg):
p = IP(dst=self.ip)/UDP(sport=1234,dport=self.port)/msg
self._send(p)
|