init

2026-05-27 22:59:49 +00:00 · 2026-05-25 07:05:17 +00:00
commit 4b463a3432
682 changed files with 47796 additions and 0 deletions
@@ -0,0 +1,93 @@
+import settings
+import asyncio
+
+from typing import Optional
+from util.misc import Logger
+
+from core import event, error
+from core.backend import Backend, BackendSession
+
+from .msnp import MSNPCtrl
+from .misc import Err
+
+MSNP_DIALECTS = ['MSNP{}'.format(d) for d in (
+	22,
+	21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11,
+	10, 9, 8, 7, 6, 5, 4, 3, 2
+)]
+
+class MSNPCtrlDP(MSNPCtrl):
+	__slots__ = (
+		'backend', 'dialect', 'bs', 'redir_attempts'
+	)
+	
+	backend: Backend
+	dialect: int
+	bs: Optional[BackendSession]
+	
+	def __init__(self, logger: Logger, via: str, backend: Backend) -> None:
+		super().__init__(logger)
+		self.backend = backend
+		self.dialect = 0
+		self.redir_attempts = 0
+		self.bs = None
+	
+	def _on_close(self) -> None:
+		if self.bs:
+			self.bs.close()
+	
+	def on_connect(self) -> None:
+		pass
+	
+	def _m_ver(self, trid: str, *args: str) -> None:
+		if self.dialect != 0:
+			self.send_reply(Err.NotExpected, trid)
+			self.close()
+			return
+		
+		dialects = [a.upper() for a in args]
+		try:
+			_ = int(trid)
+		except ValueError:
+			self.close()
+		d = None
+		for d in MSNP_DIALECTS:
+			if d in dialects: break
+		if d not in dialects:
+			self.send_reply('VER', trid, 0)
+			self.close()
+			return
+		self.dialect = int(d[4:])
+		self.send_reply('VER', trid, d)
+	
+	def _m_cvr(self, trid: str, *args: str) -> None:
+		v = args[5]
+		self.send_reply('CVR', trid, v, v, '1.0.0000', 'https://crosstalk.im/downloads', 'https://crosstalk.im/compat')
+	
+	def _m_inf(self, trid: str) -> None:
+		if self.dialect < 9:
+			self.send_reply('INF', trid, 'MD5')
+		else:
+			self.close()
+			return
+
+	def __getattr__(self, name):
+		if name.startswith('_m_') and name not in ('_m_ver', '_m_cvr', '_m_inf'):
+			def handler(trid: str, *args: str):
+				if self.dialect == 2:
+					self.send_reply('XFR', trid, 'NS', f'{settings.TARGET_IP}:1864')
+				elif self.dialect <= 6:
+					self.send_reply('XFR', trid, 'NS', f'{settings.TARGET_IP}:1864', '0')
+				elif self.dialect <= 13:
+					self.send_reply('XFR', trid, 'NS', f'{settings.TARGET_IP}:1864', '0', f'{settings.TARGET_IP}:1863')
+				elif self.dialect <= 19:
+					self.send_reply('XFR', trid, 'NS', f'{settings.TARGET_IP}:1864', 'U', 'D')
+				else: 
+					self.send_reply('XFR', trid, 'NS', f'{settings.TARGET_IP}:1864', 'U', 'D', 'VmVyc2lvbjogMQ0KWGZyQ291bnQ6IDINCg==')
+				asyncio.create_task(self._close_conn())
+			return handler
+		raise AttributeError(f"'{type(self).__name__}' object has no attribute '{name}'")
+	
+	async def _close_conn(self):
+		await asyncio.sleep(5)
+		self.close()