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- added BIOCIMMEDIATE option to fix BSD's BPF/pcap/select() behaviour issues 

- made PCAP/DNET the default mode, even for Linux (it seems quicker)
This commit is contained in:
pbi 2005-05-18 14:59:01 +00:00
parent 7347e9c05e
commit 8a0e1fa664
1 changed files with 24 additions and 3 deletions
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27
scapy.py
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@ -21,6 +21,10 @@
#
# $Log: scapy.py,v $
# Revision 0.9.17.91 2005/05/18 16:59:01 pbi
# - added BIOCIMMEDIATE option to fix BSD's BPF/pcap/select() behaviour issues
# - made PCAP/DNET the default mode, even for Linux (it seems quicker)
#
# Revision 0.9.17.90 2005/05/18 16:57:07 pbi
# - purge ARP cache when changing IP address of an interface
# - fixed loopback interface detection get_if_raw_hwaddr() for dnet
@ -764,7 +768,7 @@
from __future__ import generators
RCSID="$Id: scapy.py,v 0.9.17.90 2005/05/18 16:57:07 pbi Exp $"
RCSID="$Id: scapy.py,v 0.9.17.91 2005/05/18 16:59:01 pbi Exp $"
VERSION = RCSID.split()[2]+"beta"
@ -936,9 +940,8 @@ except ImportError:
LINUX=sys.platform.startswith("linux")
if LINUX:
DNET=PCAP=0
DNET=PCAP=1
else:
DNET=PCAP=1
@ -1043,6 +1046,9 @@ SOL_SOCKET = 1
# From net/route.h
RTF_UP = 0x0001 # Route usable
# From BSD net/bpf.h
#BIOCIMMEDIATE=0x80044270
BIOCIMMEDIATE=-2147204496
MTU = 1600
@ -5588,6 +5594,11 @@ class L3dnetSocket(SuperSocket):
if iface is None:
iface = conf.iface
self.ins.open_live(iface, 1600, 0, 100)
self.ins.setnonblock(1)
try:
ioctl(self.ins.fileno(),BIOCIMMEDIATE,struct.pack("I",1))
except:
pass
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
@ -5633,6 +5644,11 @@ class L2dnetSocket(SuperSocket):
iface = conf.iface
self.ins = pcap.pcapObject()
self.ins.open_live(iface, 1600, 0, 100)
self.ins.setnonblock(1)
try:
ioctl(self.ins.fileno(),BIOCIMMEDIATE,struct.pack("I",1))
except:
pass
if type == ETH_P_ALL: # Do not apply any filter if Ethernet type is given
if conf.except_filter:
if filter:
@ -5681,6 +5697,11 @@ class L2pcapListenSocket(SuperSocket):
promisc = conf.sniff_promisc
self.promisc = promisc
self.ins.open_live(iface, 1600, self.promisc, 100)
self.ins.setnonblock(1)
try:
ioctl(self.ins.fileno(),BIOCIMMEDIATE,struct.pack("I",1))
except:
pass
if type == ETH_P_ALL: # Do not apply any filter if Ethernet type is given
if conf.except_filter:
if filter: