client: lower Tran search floor from 1000 to 44 in channel block extraction

The channel block is in frame C data (cfg[44:1071]) not deep in a
hypothetical frame D section.  The offset-1000 assumption was wrong —
searching from 44 lets us find it while unit string validation still
prevents false positives.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Brian Harrison
2026-04-02 14:22:00 -04:00
parent c4a5da893c
commit 5948c833bd

View File

@@ -702,8 +702,8 @@ def _decode_compliance_config_into(data: bytes, info: DeviceInfo) -> None:
# Validated by checking unit strings "in.\0" at label-14 and "/s\0\0" at label-6.
# "Tran2" at a later position won't match because its surrounding bytes differ.
try:
tran_pos = data.find(b"Tran", 1000)
log.warning("compliance_config: 'Tran' search from 1000 → pos=%d cfg_len=%d", tran_pos, len(data))
tran_pos = data.find(b"Tran", 44)
log.warning("compliance_config: 'Tran' search from 44 → pos=%d cfg_len=%d", tran_pos, len(data))
if tran_pos >= 0:
pre = data[max(0, tran_pos - 30) : tran_pos + 8]
log.warning(