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more work on flags

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Alexander Bersenev
2018-06-17 23:32:07 +05:00
parent 97ae711223
commit 92204e492b
1 changed files with 6 additions and 4 deletions
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10
mtprotoproxy.py
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@@ -377,11 +377,8 @@ class ProxyReqStreamWriter(LayeredStreamWriterBase):
self.our_ip_port += int.to_bytes(my_port, 4, "little")
self.out_conn_id = bytearray([random.randrange(0, 256) for i in range(8)])
self.first_flag_byte = b"\x0a"
def write(self, msg):
RPC_PROXY_REQ = b"\xee\xf1\xce\x36"
FLAGS = b"\x10\x02\x40"
EXTRA_SIZE = b"\x18\x00\x00\x00"
PROXY_TAG = b"\xae\x26\x1e\xdb"
FOUR_BYTES_ALIGNER = b"\x00\x00\x00"
@@ -390,8 +387,13 @@ class ProxyReqStreamWriter(LayeredStreamWriterBase):
print_err("BUG: attempted to send msg with len %d" % len(msg))
return 0
if msg.startswith(b"\x00" * 8):
FLAGS = b"\x0a\x10\x02\x40"
else:
FLAGS = b"\x08\x10\x02\x40"
full_msg = bytearray()
full_msg += RPC_PROXY_REQ + self.first_flag_byte + FLAGS + self.out_conn_id
full_msg += RPC_PROXY_REQ + FLAGS + self.out_conn_id
full_msg += self.remote_ip_port + self.our_ip_port + EXTRA_SIZE + PROXY_TAG
full_msg += bytes([len(AD_TAG)]) + AD_TAG + FOUR_BYTES_ALIGNER
full_msg += msg