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scapy
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- added a possibility to give a hint for srp() to choose the intended interface 

- added is_promisc() to find boxes in promisc mode (will not always work) (Javier Merino)
This commit is contained in:
pbi 2005-03-08 16:56:49 +00:00
parent a74d560f5b
commit 550d22aa49
1 changed files with 24 additions and 12 deletions
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scapy.py
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@ -21,6 +21,10 @@
#
# $Log: scapy.py,v $
# Revision 0.9.17.46 2005/03/08 17:56:49 pbi
# - added a possibility to give a hint for srp() to choose the intended interface
# - added is_promisc() to find boxes in promisc mode (will not always work) (Javier Merino)
#
# Revision 0.9.17.45 2005/03/08 17:21:14 pbi
# - added PacketField
# - ISAKMP work
@ -590,7 +594,7 @@
from __future__ import generators
RCSID="$Id: scapy.py,v 0.9.17.45 2005/03/08 17:21:14 pbi Exp $"
RCSID="$Id: scapy.py,v 0.9.17.46 2005/03/08 17:56:49 pbi Exp $"
VERSION = RCSID.split()[2]+"beta"
@ -1079,6 +1083,7 @@ class Route:
def route(self,dst):
dst = dst.split("/")[0]
try:
dst=inet_aton(dst)
except socket.error:
@ -1802,10 +1807,6 @@ class Field:
class MACField(Field):
def __init__(self, name, default):
@ -5096,18 +5097,18 @@ def sr1(x,filter=None,iface=None, *args,**kargs):
else:
return None
def srp(x,iface=None,filter=None,type=ETH_P_ALL, *args,**kargs):
def srp(x,iface=None, iface_hint=None, filter=None,type=ETH_P_ALL, *args,**kargs):
"""Send and receive packets at layer 2"""
if not kargs.has_key("timeout"):
kargs["timeout"] = -1
if iface is None and iface_hint is not None:
iface = conf.route.route(iface_hint)[0]
a,b,c=sndrcv(conf.L2socket(iface=iface, filter=filter, type=type),x,*args,**kargs)
return a,b
def srp1(x,iface=None,filter=None,type=ETH_P_ALL, *args,**kargs):
def srp1(*args,**kargs):
"""Send and receive packets at layer 2 and return only the first answer"""
if not kargs.has_key("timeout"):
kargs["timeout"] = -1
a,b,c=sndrcv(conf.L2socket(iface=iface, filter=filter, type=type),x,*args,**kargs)
a,b=srp(*args,**kargs)
if len(a) > 0:
return a[0][1]
else:
@ -5989,7 +5990,7 @@ def arping(net, **kargs):
"""Send ARP who-has requests to determine which hosts are up
arping(net, iface=conf.iface) -> None"""
ans,unans = srp(Ether(dst="ff:ff:ff:ff:ff:ff")/ARP(pdst=net),
filter="arp and arp[7] = 2", timeout=2, **kargs)
filter="arp and arp[7] = 2", timeout=2, iface_hint=net, **kargs)
ans = ARPingResult(ans.res)
ans.display()
return ans
@ -6034,6 +6035,17 @@ RFC2136
return -1
def is_promisc(ip, fake_bcast="ff:ff:00:00:00:00",**kargs):
"""Try to guess if target is in Promisc mode. The target is provided by its ip."""
responses = srp1(Ether(dst=fake_bcast) / ARP(op="who-has", pdst=ip),type=ETH_P_ARP, iface_hint=ip, timeout=1, verbose=0,**kargs)
print responses
if responses is None:
return False
return True
#####################
## Reporting stuff ##
@ -6165,7 +6177,7 @@ def ls(obj=None):
user_commands = [ sr, sr1, srp, srp1, srloop, srploop, sniff, p0f, arpcachepoison, send, sendp, traceroute, arping, ls, lsc, queso, nmap_fp, report_ports, dyndns_add, dyndns_del ]
user_commands = [ sr, sr1, srp, srp1, srloop, srploop, sniff, p0f, arpcachepoison, send, sendp, traceroute, arping, ls, lsc, queso, nmap_fp, report_ports, dyndns_add, dyndns_del, is_promisc ]
########################