def standard_arp_request(dst_ipaddr):
try:
sock = rawsocket.socket(EthernetHeader.TYPE_ARP)
except IOError:
print "Login as root, or you won't be able to make a raw socket"
raise IOError
a = ArpPacket()
eth = a.previous
eth.dst_mac = 0xFFFFFFFFFFFFL
eth.src_mac = my_macaddr
eth.packet_type = EthernetHeader.TYPE_ARP
a.arp_hw = ArpPacket.HW_ETHER
a.ethernet_type = EthernetHeader.TYPE_IP
a.arp_opcode = ArpPacket.OPCODE_REQUEST
a.src_hw_addr = my_macaddr
a.src_prot_addr = my_ipaddr
a.dst_hw_addr = 0xFFFFFFFFFFFFL
a.dst_prot_addr = dst_ipaddr
rawsocket.sendto(sock, a.bytes())
x = rawsocket.recvfrom(sock)
x = a.extract(x)
arptable[dst_ipaddr] = a.src_hw_addr
def test_udp(byte):
if not arptable.has_key(bd_ipaddr):
standard_arp_request(bd_ipaddr)
try:
sock = rawsocket.socket(EthernetHeader.TYPE_IP)
except IOError:
print "Login as root, or you won't be able to make a raw socket"
raise IOError
cmd = "\xff" + ((byte and "\x01") or "\x00")
u = UdpPacket(my_ipaddr, 43700,
bd_ipaddr, 5000, cmd)
print "IP COMMAND TO BOARD"
u.dump()
rawsocket.sendto(sock, u.bytes())
x = rawsocket.recvfrom(sock)
oldtype = u.previous.previous.packet_type
x = u.extract(x)
assert u.previous.previous.packet_type == oldtype
print "\nIP RESPONSE FROM BOARD"
u.dump()
if x:
print len(x), "bytes left over"
def test_arp():
try:
sock = rawsocket.socket(EthernetHeader.TYPE_ARP)
except IOError:
print "Login as root, or you won't be able to make a raw socket"
raise IOError
a = ArpPacket()
eth = a.previous
eth.dst_mac = bd_macaddr
eth.src_mac = my_macaddr
eth.packet_type = EthernetHeader.TYPE_ARP
a.arp_hw = ArpPacket.HW_ETHER
a.ethernet_type = EthernetHeader.TYPE_IP
a.arp_opcode = ArpPacket.OPCODE_REQUEST
a.src_hw_addr = my_macaddr
a.src_prot_addr = my_ipaddr
a.dst_hw_addr = bd_macaddr
a.dst_prot_addr = bd_ipaddr
print "ARP REQUEST"
a.dump()
# Send ARP request, receive ARP reply
rawsocket.sendto(sock, a.bytes())
x = rawsocket.recvfrom(sock)
print "\nARP REPLY"
x = a.extract(x)
a.dump()
if x:
print len(x), "bytes left over"
try:
import rawsocket as socket
except:
import socket
CONTENT = """\
HTTP/1.0 200 OK
Hello #{} from MicroPython!
"""
s = socket.socket()
ai = socket.getaddrinfo("127.0.0.1", 8080)
print("Bind address info:", ai)
addr = ai[0][4]
s.bind(addr)
s.listen(5)
print("Listening, connect your browser to http://127.0.0.1:8080/")
counter = 0
while True:
res = s.accept()
client_s = res[0]
client_addr = res[1]
print("Client address:", client_addr)
print("Client socket:", client_s)
print("Request:")
if 0:
from ops import ltb
import rawsocket
import data
from layer2 import *
from layer3 import *
from layer4 import *
import tcp
from packet import Packet
MAC = 0xf8b156fe741e
IP = ltb([192, 168, 1, 226])
ROUTER = ltb([192, 168, 1, 1])
ROUTER_MAC = 0x58ef6870d132
socket = rawsocket.socket('Realtek')
eth = EthernetFrame(ROUTER_MAC, MAC, data.EtherType.ipv4)
ip = IPv4(
data.IGNORE,
5,
0b000000,
0b00,
30, # packet len in bytes
0,
0b010, # fragmentation might be cool
0, # frag offset
255, # ttl
data.IPPROTO.udp,
data.IGNORE,
IP,
ROUTER)
try:
import rawsocket as _socket
except:
import _socket
s = _socket.socket()
if 1:
ai = _socket.getaddrinfo("google.com", 80)
print("Address infos:", ai)
addr = ai[0][4]
else:
# Deprecated ways to construct connection address
addr = _socket.sockaddr_in()
addr.sin_family = 2
#addr.sin_addr = (0x0100 << 16) + 0x007f
#addr.sin_addr = (0x7f00 << 16) + 0x0001
#addr.sin_addr = _socket.inet_aton("127.0.0.1")
addr.sin_addr = _socket.gethostbyname("google.com")
addr.sin_port = _socket.htons(80)
print("Connect address:", addr)
s.connect(addr)
if 0:
# MicroPython rawsocket module supports file interface directly
s.write("GET / HTTP/1.0\n\n")
print(s.readall())
else:
s.send(b"GET / HTTP/1.0\n\n")
def __init__(self, device):
self.socket = socket(device)
self.wbuffer = []
self.rbuffer = []
