def main():
if len(sys.argv) != 2:
if len(sys.argv) == 1:
sys.argv.extend(['en1'])
print 'using defaul args:', ' '.join(sys.argv)
else:
print 'usage: %s dev' % sys.argv[0]
print '\tdev ... device'
sys.exit(1)
global LOCAL_DEVICE, LOCAL_MAC_ADDRESS, LOCAL_IP_ADDRESS, \
REMOTE_MAC_ADDRESS, REMOTE_IP_ADDRESS
LOCAL_DEVICE = sys.argv[1]
if LOCAL_MAC_ADDRESS is None:
LOCAL_MAC_ADDRESS = shared.get_local_mac_addres_of_device(LOCAL_DEVICE)
fd = bpf.get_bpf_fg(device=LOCAL_DEVICE, promiscuous=False)
dhcp_info = shared.request_dhcp_info(fd, LOCAL_MAC_ADDRESS)
LOCAL_IP_ADDRESS = dhcp_info['yiaddr']
for var_name in ('LOCAL_DEVICE', 'LOCAL_MAC_ADDRESS', 'LOCAL_IP_ADDRESS'):
print "%-20s %s" % (var_name + ':', globals()[var_name])
print
pingd(fd)
bpf.bpf_dispose(fd)
def main():
if len(sys.argv) != 2:
if len(sys.argv) == 1:
sys.argv.extend(['en1'])
print 'using defaul args:', ' '.join(sys.argv)
else:
print 'usage: %s dev host' % sys.argv[0]
print '\tdev ... device'
sys.exit(1)
global LOCAL_DEVICE, LOCAL_MAC_ADDRESS, raw_packet
LOCAL_DEVICE = sys.argv[1]
LOCAL_MAC_ADDRESS = shared.get_local_mac_addres_of_device(LOCAL_DEVICE)
print 'LOCAL_MAC_ADDRESS: %s' % LOCAL_MAC_ADDRESS
fd = bpf.get_bpf_fg(device=LOCAL_DEVICE)
for bpf_packet in bpf.packet_reader(fd):
raw_packet = bpf_packet.data
eth_packet_callback(Ethernet(bpf_packet.data))
bpf.bpf_dispose(fd)
def main():
if len(sys.argv) != 3:
if len(sys.argv) == 1:
sys.argv.extend(['en1', '192.168.1.1'])
print 'using defaul args:', ' '.join(sys.argv)
else:
print 'usage: %s dev host' % sys.argv[0]
print '\tdev ... device'
print '\thost ... ip address of host'
sys.exit(1)
global LOCAL_DEVICE, LOCAL_MAC_ADDRESS, LOCAL_IP_ADDRESS, \
REMOTE_MAC_ADDRESS, REMOTE_IP_ADDRESS
LOCAL_DEVICE = sys.argv[1]
LOCAL_MAC_ADDRESS = shared.get_local_mac_addres_of_device(LOCAL_DEVICE)
REMOTE_IP_ADDRESS = IPAddress(str_val=sys.argv[2])
fd = bpf.get_bpf_fg(device=LOCAL_DEVICE)
dhcp_info = shared.request_dhcp_info(fd, LOCAL_MAC_ADDRESS)
LOCAL_IP_ADDRESS = dhcp_info['yiaddr']
SUBNET_MASK = dhcp_info['subnet_mask']
if SUBNET_MASK.addresses_in_same_subnet(LOCAL_IP_ADDRESS, REMOTE_IP_ADDRESS):
NEXT_HOOP_IP_ADDRESS = REMOTE_IP_ADDRESS
else:
NEXT_HOOP_IP_ADDRESS = dhcp_info['router']
REMOTE_MAC_ADDRESS = shared.request_adp_mac_addres(fd, LOCAL_MAC_ADDRESS, LOCAL_IP_ADDRESS, NEXT_HOOP_IP_ADDRESS)
for var_name in ('LOCAL_DEVICE', 'LOCAL_MAC_ADDRESS', 'LOCAL_IP_ADDRESS', 'REMOTE_MAC_ADDRESS', 'REMOTE_IP_ADDRESS'):
print "%-20s %s" % (var_name + ':', globals()[var_name])
ping(fd)
bpf.bpf_dispose(fd)
in_arp = ARP(parent=in_eth)
if in_arp.htype == 0x0001 \
and in_arp.ptype == 0x0800 \
and in_arp.hlen == 0x0006 \
and in_arp.plen == 0x0004 \
and in_arp.oper == 0x0002 \
and in_arp.spa == remote_ip_address \
and in_arp.tha == local_mac_address \
and in_arp.tpa == local_ip_address:
return in_arp.sha
except bpf.BPFTimeout:
print 'request_adp_mac_addres(local_mac_address=%s, local_ip_address=%s, remote_ip_address=%s) timed out!' % (
local_mac_address, local_ip_address, remote_ip_address)
sys.exit(1)
if __name__ == '__main__':
LOCAL_DEVICE = 'en1'
REMOTE_IP_ADDRESS = IPAddress(str_val='192.168.1.1')
LOCAL_MAC_ADDRESS = get_local_mac_addres_of_device(LOCAL_DEVICE)
fd = bpf.get_bpf_fg(device=LOCAL_DEVICE)
LOCAL_IP_ADDRESS = request_dhcp_info(fd, LOCAL_MAC_ADDRESS)['yiaddr']
print request_adp_mac_addres(fd, LOCAL_MAC_ADDRESS, LOCAL_IP_ADDRESS, REMOTE_IP_ADDRESS)
bpf.bpf_dispose(fd)