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#!/bin/env python3
#
# libssc: Library to expose Qualcomm Sensor Core sensors
# Copyright (C) 2022-2025 Dylan Van Assche
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
import os
import re
import sys
import binascii
from tempfile import TemporaryFile
from protobuf_inspector.types import StandardParser
REGEX = r"(\\x0a\\x12.*)?\","
parser = StandardParser()
if len(sys.argv) != 2:
print('Usage: decoder <file>')
sys.exit(1)
strace_file = sys.argv[1]
if not os.path.exists(strace_file):
print(f'File "{strace_file}" does not exist!')
sys.exit(2)
with open(strace_file) as f:
data = f.read()
results = re.findall(REGEX, data)
for msg in results:
if msg == '':
continue
tmp = TemporaryFile()
tmp.write(binascii.unhexlify(msg.replace('\\x', '')))
tmp.seek(0)
decoded = parser.parse_message(tmp, 'message')
print('-' * 80)
print(f'Strace: {msg}')
print(f'Decoded: {decoded}')
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