def run(key, port=DEFAULT_PORT):
scon = neonet.NrlOpenPort(port)
while True:
data = scon.recv(float('inf'))
adr = data[0]
data = data[1]
try:
if data == b"REMOTE_CONNECT":
port = random.randint(8192, 2**30)
scon.send(adr, b"OK=" + hex(port).encode())
con = neonet.NrlSecureConnection(adr, port, key, 500)
#_thread.start_new_thread(handle_client, (con, adr))
handle_client(con, adr)
else:
log("Strange data from " + str(adr) + " : " + data.decode())
except:
pass
def run_server(adr=net.address, port=CMD_PORT, password=""):
password = crypt.shortstrhash(password)
net.setup(adr)
print("Starting command-issuing server at " + hex(net.address) + ":" +
str(port))
scon = net.NrlOpenPort(port)
cons = []
while True:
for i in cons:
if i.available():
# update the connection because a packet is available
packet = i.recv()
try:
packet = crypt.decrypt1(packet, password)
except:
continue
timing = int.from_bytes(packet[:8], 'little')
if timing < millis() and timing > millis() - 5000:
__cmdBcast(cons, packet[8:], password)
try:
print(
hex(i.adr) + " : issued command: " +
packet[8:].decode())
except:
print(hex(i.adr) + " : issued a binary command.")
if scon.available():
pk = scon.recv(0)
remote_adr = pk[0]
timing = int.from_bytes(pk[1][:8], 'little')
if timing < millis() and timing > millis() - 5000:
expected = crypt.sha512(hex(timing) + password)
if expected == pk[1][8:]:
port = get_rand_port()
scon.send(pk[0], port.to_bytes(4, 'little'))
cons.append(net.NrlConnection(pk[0], port))
print("New connection from " + hex(pk[0]))
else:
print("Connection failure from " + hex(pk[0]) +
": bad cryptographic sequence.")
else:
print("Connection failure from " + hex(pk[0]) +
": expired timing.")
time.sleep(0.001)
def run_server(adr=net.address, port=MSG_PORT):
net.setup(adr)
print("Starting messaging server at " + hex(net.address) + ":" + str(port))
scon = net.NrlOpenPort(port)
cons = []
messages = []
users = {}
while True:
for i in cons:
if i.available():
# update the connection because a packet is available
packet = i.recv()
cmd = packet[0]
packet = packet[1:]
if cmd == CMD_WRITE_MSG:
messages.append(
__msgBcast(cons, users[i.adr] + b": " + packet))
print((users[i.adr] + b": " + packet).decode())
elif cmd == CMD_READ_ALL:
for i2 in messages:
__sendMsgPkt(i, i2)
else:
print("Invalid packet receieved from " +
users[i.adr].decode() + " : " + repr(packet))
if scon.available():
pk = scon.recv(0)
if pk[1].startswith(b'MSG_CON') and pk[1][7] == 58:
port = get_rand_port()
scon.send(pk[0], port.to_bytes(4, 'little'))
cons.append(net.NrlConnection(pk[0], port))
user = pk[1][8:]
print("New connection from " + hex(pk[0]) + " [" +
user.decode() + "]")
users[pk[0]] = user
messages.append(__msgBcast(cons, user + b' is now online.'))
time.sleep(0.001)