esp-idf/tools/esp_prov/prov/custom_prov.py

61 wiersze
2.1 KiB
Python

# Copyright 2018 Espressif Systems (Shanghai) PTE LTD
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# APIs for interpreting and creating protobuf packets for `custom-config` protocomm endpoint
from __future__ import print_function
import proto
import utils
from future.utils import tobytes
def print_verbose(security_ctx, data):
if (security_ctx.verbose):
print('++++ ' + data + ' ++++')
def custom_config_request(security_ctx, info, version):
# Form protobuf request packet from custom-config data
cmd = proto.custom_config_pb2.CustomConfigRequest()
cmd.info = tobytes(info)
cmd.version = version
enc_cmd = security_ctx.encrypt_data(cmd.SerializeToString()).decode('latin-1')
print_verbose(security_ctx, 'Client -> Device (CustomConfig cmd) ' + utils.str_to_hexstr(enc_cmd))
return enc_cmd
def custom_config_response(security_ctx, response_data):
# Interpret protobuf response packet
decrypt = security_ctx.decrypt_data(tobytes(response_data))
cmd_resp = proto.custom_config_pb2.CustomConfigResponse()
cmd_resp.ParseFromString(decrypt)
print_verbose(security_ctx, 'CustomConfig status ' + str(cmd_resp.status))
return cmd_resp.status
def custom_data_request(security_ctx, data):
# Encrypt the custom data
enc_cmd = security_ctx.encrypt_data(tobytes(data))
print_verbose(security_ctx, 'Client -> Device (CustomData cmd) ' + utils.str_to_hexstr(enc_cmd))
return enc_cmd
def custom_data_response(security_ctx, response_data):
# Decrypt response packet
decrypt = security_ctx.decrypt_data(tobytes(response_data))
print('CustomData response: ' + str(decrypt))
return 0