This commit is contained in:
Danil Kolesnikov
2025-01-28 01:45:47 +03:00
parent c51f428c98
commit b12a362226

28
udod.py
View File

@@ -1,26 +1,30 @@
import asyncio
import base64
import socket
def shift(b, s):
r = b + s
if r >= 256:
r -= 256
elif r < 0:
r += 256
return r
def shift_seq(seq, byte_shift):
result = bytearray(seq)
for i in range(len(seq)):
for i in range(min(len(seq),128)):
result[i] = (result[i] + byte_shift) & 0xff
return result
def encrypt(data):
return shift_seq(data, 15)
def decrypt(data):
return shift_seq(data, -15)
class Duplex:
def __init__(self, s1, s1_remote, s1_transform,
s2, s2_remote, s2_transform,
loop, mtu):
def __init__(self, s1, s1_remote, s1_transform, s2, s2_remote, s2_transform, loop, mtu):
self.mtu = mtu
self.loop = loop
@@ -31,11 +35,11 @@ class Duplex:
print("Starting stream", rx.getsockname(), '>>', tx_addr)
while True:
data = await self.loop.sock_recv(rx, self.mtu)
# print(rx.getsockname(),'>>', tx_addr, len(data),
# data[:20].hex(), transform(data)[:20].hex())
#print(rx.getsockname(),'>>', tx_addr, len(data), data[:20].hex(), transform(data)[:20].hex())
await self.loop.sock_sendto(tx, transform(data), tx_addr)
async def main():
rx = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
rx.setblocking(False)
@@ -53,13 +57,11 @@ async def main():
if addr in connections.keys():
tx = connections[addr]
else:
connections[addr] = socket.socket(
socket.AF_INET, socket.SOCK_DGRAM)
connections[addr] = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
tx = connections[addr]
tx.setblocking(False)
tx.bind(tx.getsockname())
Duplex(rx, addr, RX_ALGO, connections[addr],
(TX_IP, TX_PORT), TX_ALGO, loop, RX_MTU)
Duplex(rx, addr, RX_ALGO, connections[addr], (TX_IP, TX_PORT), TX_ALGO, loop, RX_MTU)
try:
tx.sendto(TX_ALGO(data), (TX_IP, TX_PORT))
@@ -75,7 +77,7 @@ if __name__ == '__main__':
RX_ALGO = encrypt
TX_IP = "194.135.105.21"
TX_PORT = 5005
TX_PORT = 25565
TX_ALGO = decrypt
asyncio.run(main())