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fix vnc security type handshake for rfb version 3 (#172)

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Youfu Zhang 2024-07-25 22:15:35 +08:00 committed by GitHub
parent 73f929b260
commit 5cc815cfa0
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1 changed files with 8 additions and 4 deletions
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12
kvmd/apps/vnc/rfb/__init__.py
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@ -261,11 +261,15 @@ class RfbClient(RfbClientStream): # pylint: disable=too-many-instance-attribute
await self._write_reason("refusing security type reason", msg)
raise RfbError(msg)
await self._write_struct("security types", "B" + "B" * len(sec_types), len(sec_types), *sec_types) # Keep dict priority
if self.__rfb_version > 3:
await self._write_struct("security types", "B" + "B" * len(sec_types), len(sec_types), *sec_types) # Keep dict priority
sec_type = await self._read_number("selected security type", "B")
if sec_type not in sec_types:
raise RfbError(f"Invalid security type: {sec_type}")
sec_type = await self._read_number("selected security type", "B")
if sec_type not in sec_types:
raise RfbError(f"Invalid security type: {sec_type}")
else:
sec_type = min(sec_types.keys())
await self._write_struct("selected security type", "L", sec_type)
(sec_name, handler) = sec_types[sec_type]
get_logger(0).info("%s [main]: Using %s security type", self._remote, sec_name)