def test_ip_tsb(ipval, tsbval, expected):
f0 = InstantPowerField('test', 0)
f1 = TSBField('test', 0)
pkt = Packet()
pay = f0.addfield(pkt, b'', ipval)
pay = f1.addfield(pkt, pay, tsbval)
assert pay == expected
def test_tsb(tsbval, expected):
f = TSBField('test', 0)
pkt = Packet()
pay = f.addfield(pkt, b'\x00\x00', tsbval)
assert pay == expected
rem, val = f.getfield(pkt, expected[1:])
assert rem == b''
assert val == tsbval
def test_instant_power(ipval, expected):
f = InstantPowerField('test', 0)
pkt = Packet()
pay = f.addfield(pkt, b'', ipval)
assert pay == expected
rem, val = f.getfield(pkt, expected)
assert rem == expected[1:]
assert val == ipval & 0xFFF
def send_batch(self, batches):
packets_len = len(batches)
if packets_len == 0:
return
packet_list = PacketList()
for pkt in batches:
packet_raw = Packet(pkt)
packet_list.append(packet_raw)
sendp(packet_list, iface=self._options.iface, verbose=0)
def get_packetmod_pcap(nb_headers,
nb_fields,
mod_type,
out_dir,
packet_size=256):
pkt = Packet()
if mod_type == 'add':
eth = Ether(src='0C:C4:7A:A3:25:34', dst='0C:C4:7A:A3:25:35')
ptp = PTP(reserved2=0)
pkt = eth / ptp / '0x0' * 6
elif mod_type == 'rm':
eth = Ether(src='0C:C4:7A:A3:25:34', dst='0C:C4:7A:A3:25:35')
ptp = PTP(reserved2=1)
pkt = eth / ptp
pkt /= add_layers(nb_fields, nb_headers)
pkt = add_padding(pkt, packet_size)
elif mod_type == 'mod':
eth = Ether(src='0C:C4:7A:A3:25:34', dst='0C:C4:7A:A3:25:35')
ptp = PTP(reserved2=1)
pkt = eth / ptp
pkt /= add_layers(nb_fields, nb_headers)
pkt = add_padding(pkt, packet_size)
wrpcap('%s/test.pcap' % out_dir, pkt)
from struct import pack
from packages.common.utils import gps_week_seconds_to_utc
from scapy.all import (Packet, PacketList, sendp, resolve_iface)
from packages.common import utils
from packages.common import uart_helper
# utc_time = gps_week_seconds_to_utc(2166, 463261.918)
# print(utc_time)
if __name__ == '__main__':
config = utils.get_config()
iface = resolve_iface(config['local']['name']) # 'eth0'
src_mac = config['local']['mac'] # 'b8:27:eb:04:e0:73'
dst_mac_addresses = config['devices_mac']
raw_bytes = uart_helper.build_eth_command()
packet_list = PacketList()
for i in range(5):
packet_list.append(
Packet(raw_bytes)
)
sendp(packet_list, iface=iface, verbose=0)
print("Press CTRL+C to stop sniffing.\n")
with open(output_file, 'w') as f:
f.write('')
s = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(3))
s.bind((iface, 3))
packets = []
i = 0
def signal_trap(sig, frame):
''' theoretically, interrupt could malform last packet '''
for pkt in packets[:-1]:
wrpcap(output_file, pkt, append=True)
print("\nProgram stopped. Packets saved to {}.".format(output_file))
sys.exit(0)
signal.signal(signal.SIGINT, signal_trap)
while True:
raw_pkt = s.recvfrom(1500)[0]
packets += Packet(raw_pkt)
''' print every log in one line '''
print("\r", end="")
print("{} packets captured ".format(i), end="")
sys.stdout.flush()
i += 1
