def __init__(self, device, snaplen, promisc, to_ms, monitor=None):
self.errbuf = create_string_buffer(PCAP_ERRBUF_SIZE)
self.iface = create_string_buffer(device.encode("utf8"))
if monitor:
if not conf.use_npcap:
raise OSError("This feature requires NPcap !")
# Npcap-only functions
from scapy.modules.winpcapy import pcap_create, \
pcap_set_snaplen, pcap_set_promisc, \
pcap_set_timeout, pcap_set_rfmon, pcap_activate
self.pcap = pcap_create(self.iface, self.errbuf)
pcap_set_snaplen(self.pcap, snaplen)
pcap_set_promisc(self.pcap, promisc)
pcap_set_timeout(self.pcap, to_ms)
if pcap_set_rfmon(self.pcap, 1) != 0:
warning("Could not set monitor mode")
if pcap_activate(self.pcap) != 0:
raise OSError("Could not activate the pcap handler")
else:
self.pcap = pcap_open_live(self.iface, snaplen, promisc, to_ms,
self.errbuf)
# Winpcap/Npcap exclusive: make every packet to be instantly
# returned, and not buffered within Winpcap/Npcap
pcap_setmintocopy(self.pcap, 0)
self.header = POINTER(pcap_pkthdr)()
self.pkt_data = POINTER(c_ubyte)()
self.bpf_program = winpcapy_bpf_program()
def __init__(self, device, snaplen, promisc, to_ms, monitor=None):
self.errbuf = create_string_buffer(PCAP_ERRBUF_SIZE)
self.iface = create_string_buffer(device.encode("utf8"))
if monitor:
self.pcap = pcap_create(self.iface, self.errbuf)
pcap_set_snaplen(self.pcap, snaplen)
pcap_set_promisc(self.pcap, promisc)
pcap_set_timeout(self.pcap, to_ms)
if pcap_set_rfmon(self.pcap, 1) != 0:
warning("Could not set monitor mode")
if pcap_activate(self.pcap) != 0:
raise OSError("Could not activate the pcap handler")
else:
self.pcap = pcap_open_live(self.iface, snaplen, promisc, to_ms, self.errbuf) # noqa: E501
# Winpcap exclusive: make every packet to be instantly
# returned, and not buffered within Winpcap
pcap_setmintocopy(self.pcap, 0)
self.header = POINTER(pcap_pkthdr)()
self.pkt_data = POINTER(c_ubyte)()
self.bpf_program = winpcapy_bpf_program()
