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vnc: using first sectype from the list for 3.3

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This commit is contained in:
Maxim Devaev 2024-07-25 18:27:24 +03:00
parent 5cc815cfa0
commit e636914943
1 changed files with 2 additions and 2 deletions
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4
kvmd/apps/vnc/rfb/__init__.py
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@ -255,6 +255,7 @@ class RfbClient(RfbClientStream): # pylint: disable=too-many-instance-attribute
sec_types[1] = ("None", self.__handshake_security_none)
elif self.__vnc_passwds:
sec_types[2] = ("VNCAuth", self.__handshake_security_vnc_auth)
if not sec_types:
msg = "The client uses a very old protocol 3.3 and VNCAuth or NoneAuth is disabled"
await self._write_struct("refusing security type flag", "L", 0, drain=False)
@ -263,12 +264,11 @@ class RfbClient(RfbClientStream): # pylint: disable=too-many-instance-attribute
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}")
else:
sec_type = min(sec_types.keys())
sec_type = list(sec_types.keys())[0] # First auth type from the list, None or VNCAuth
await self._write_struct("selected security type", "L", sec_type)
(sec_name, handler) = sec_types[sec_type]