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SDP: Fix wrong parameter size

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This commit is contained in:
Josh Wu
2026-04-20 16:08:23 +08:00
parent f2824ee6b8
commit c0725e2a4a
2 changed files with 21 additions and 4 deletions
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13
bumble/sdp.py
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@@ -594,7 +594,10 @@ class SDP_PDU:
@classmethod
def from_bytes(cls, pdu: bytes) -> SDP_PDU:
pdu_id, transaction_id, _parameters_length = struct.unpack_from('>BHH', pdu, 0)
pdu_id, transaction_id, parameters_length = struct.unpack_from('>BHH', pdu, 0)
if len(pdu) != 5 + parameters_length:
logger.warning("Expect %d bytes, got %d", 5 + parameters_length, len(pdu))
subclass = cls.subclasses.get(pdu_id)
if not (subclass := cls.subclasses.get(pdu_id)):
@@ -616,9 +619,11 @@ class SDP_PDU:
def __bytes__(self):
if self._payload is None:
self._payload = struct.pack(
'>BHH', self.pdu_id, self.transaction_id, 0
) + hci.HCI_Object.dict_to_bytes(self.__dict__, self.fields)
parameters = hci.HCI_Object.dict_to_bytes(self.__dict__, self.fields)
self._payload = (
struct.pack('>BHH', self.pdu_id, self.transaction_id, len(parameters))
+ parameters
)
return self._payload
@property