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