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scapy
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- little fix in L2ListenSocket.__del__() 

- added doc and options in Conf class
- added promisc support for L3PacketSocket, so that you can get answers to spoofed packets
This commit is contained in:
pbi 2003-04-08 16:34:48 +00:00
parent 251c89773a
commit ad373e5f16
1 changed files with 45 additions and 9 deletions
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54
scapy.py
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@ -22,6 +22,11 @@
#
# $Log: scapy.py,v $
# Revision 0.9.9.3 2003/04/08 18:34:48 pbi
# - little fix in L2ListenSocket.__del__()
# - added doc and options in Conf class
# - added promisc support for L3PacketSocket, so that you can get answers to spoofed packets
#
# Revision 0.9.9.2 2003/04/08 17:42:19 pbi
# - added extract_padding() method to UDP
#
@ -101,7 +106,7 @@
from __future__ import generators
RCSID="$Id: scapy.py,v 0.9.9.2 2003/04/08 17:42:19 pbi Exp $"
RCSID="$Id: scapy.py,v 0.9.9.3 2003/04/08 18:34:48 pbi Exp $"
VERSION = RCSID.split()[2]+"beta"
@ -297,11 +302,22 @@ class ConfClass:
class Conf(ConfClass):
session = "" # filename where the session will be saved
"""This object contains the configuration of scapy.
session : filename where the session will be saved
stealth : if 1, prevent any unwanted packet to go out (ARP, DNS, ...)
iff : select the default output interface for srp() and sendp(). default:"eth0")
verb : level of verbosity, from 0 (almost mute) to 3 (verbose)
promisc : default mode for listening socket (to get answers if you spoof on a lan)
sniff_promisc : default mode for sniff()
filter : bpf filter added to every sniffing socket to exclude traffic from analysis"""
session = ""
stealth = "not implemented"
iff = "eth0"
verb = 2
promisc = 0
promisc = "not implemented"
sniff_promisc = 0
filter = "not implemented"
conf=Conf()
@ -1962,6 +1978,7 @@ class SuperSocket:
def __init__(self, family=socket.AF_INET,type=socket.SOCK_STREAM, proto=0):
self.ins = socket.socket(family, type, proto)
self.outs = self.ins
self.promisc=None
def send(self, x):
return self.outs.send(str(x))
def recv(self, x):
@ -1977,8 +1994,7 @@ class SuperSocket:
def bind_in(self, addr):
self.ins.bind(addr)
def bind_out(self, addr):
self.outs.bind(addr)
self.outs.bind(addr)
class L3RawSocket(SuperSocket):
def __init__(self, iface = None, type = ETH_P_IP):
@ -1999,13 +2015,30 @@ class L3RawSocket(SuperSocket):
class L3PacketSocket(SuperSocket):
def __init__(self, type = ETH_P_IP, filter=None):
def __init__(self, type = ETH_P_IP, filter=None, promisc=None, iface=None):
self.type = type
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
if filter is not None:
attach_filter(self.ins, filter)
self.outs = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
if promisc is None:
promisc = conf.promisc
self.promisc = promisc
if iface is None:
self.iff = get_if_list()
else:
if type(iface) is list:
self.iff = iface
else:
self.iff = [iface]
if self.promisc:
for i in self.iff:
set_promisc(self.ins, i)
def __del__(self):
if self.promisc:
for i in self.iff:
set_promisc(self.ins, i, 0)
def recv(self, x):
pkt, sa_ll = self.ins.recvfrom(x)
# XXX: if sa_ll[2] == socket.PACKET_OUTGOING : skip
@ -2067,18 +2100,21 @@ class L2ListenSocket(SuperSocket):
if filter is not None:
attach_filter(self.ins, filter)
if promisc is None:
promisc = conf.promisc
promisc = conf.sniff_promisc
self.promisc = promisc
if iface is None:
self.iff = get_if_list()
else:
self.iff = [iface]
if type(iface) is list:
self.iff = iface
else:
self.iff = [iface]
if self.promisc:
for i in self.iff:
set_promisc(self.ins, i)
def __del__(self):
if self.promisc:
for i in iff:
for i in self.iff:
set_promisc(self.ins, i, 0)
def recv(self, x):