98 lines
4.3 KiB
Python
98 lines
4.3 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 Wi-Fi provisioning
|
|
|
|
from __future__ import print_function
|
|
from future.utils import tobytes
|
|
|
|
import utils
|
|
import proto
|
|
|
|
|
|
def print_verbose(security_ctx, data):
|
|
if (security_ctx.verbose):
|
|
print("++++ " + data + " ++++")
|
|
|
|
|
|
def config_get_status_request(security_ctx):
|
|
# Form protobuf request packet for GetStatus command
|
|
cfg1 = proto.wifi_config_pb2.WiFiConfigPayload()
|
|
cfg1.msg = proto.wifi_config_pb2.TypeCmdGetStatus
|
|
cmd_get_status = proto.wifi_config_pb2.CmdGetStatus()
|
|
cfg1.cmd_get_status.MergeFrom(cmd_get_status)
|
|
encrypted_cfg = security_ctx.encrypt_data(cfg1.SerializeToString()).decode('latin-1')
|
|
print_verbose(security_ctx, "Client -> Device (Encrypted CmdGetStatus) " + utils.str_to_hexstr(encrypted_cfg))
|
|
return encrypted_cfg
|
|
|
|
|
|
def config_get_status_response(security_ctx, response_data):
|
|
# Interpret protobuf response packet from GetStatus command
|
|
decrypted_message = security_ctx.decrypt_data(tobytes(response_data))
|
|
cmd_resp1 = proto.wifi_config_pb2.WiFiConfigPayload()
|
|
cmd_resp1.ParseFromString(decrypted_message)
|
|
print_verbose(security_ctx, "Response type " + str(cmd_resp1.msg))
|
|
print_verbose(security_ctx, "Response status " + str(cmd_resp1.resp_get_status.status))
|
|
if cmd_resp1.resp_get_status.sta_state == 0:
|
|
print("++++ WiFi state: " + "connected ++++")
|
|
elif cmd_resp1.resp_get_status.sta_state == 1:
|
|
print("++++ WiFi state: " + "connecting... ++++")
|
|
elif cmd_resp1.resp_get_status.sta_state == 2:
|
|
print("++++ WiFi state: " + "disconnected ++++")
|
|
elif cmd_resp1.resp_get_status.sta_state == 3:
|
|
print("++++ WiFi state: " + "connection failed ++++")
|
|
if cmd_resp1.resp_get_status.fail_reason == 0:
|
|
print("++++ Failure reason: " + "Incorrect Password ++++")
|
|
elif cmd_resp1.resp_get_status.fail_reason == 1:
|
|
print("++++ Failure reason: " + "Incorrect SSID ++++")
|
|
return cmd_resp1.resp_get_status.sta_state
|
|
|
|
|
|
def config_set_config_request(security_ctx, ssid, passphrase):
|
|
# Form protobuf request packet for SetConfig command
|
|
cmd = proto.wifi_config_pb2.WiFiConfigPayload()
|
|
cmd.msg = proto.wifi_config_pb2.TypeCmdSetConfig
|
|
cmd.cmd_set_config.ssid = tobytes(ssid)
|
|
cmd.cmd_set_config.passphrase = tobytes(passphrase)
|
|
enc_cmd = security_ctx.encrypt_data(cmd.SerializeToString()).decode('latin-1')
|
|
print_verbose(security_ctx, "Client -> Device (SetConfig cmd) " + utils.str_to_hexstr(enc_cmd))
|
|
return enc_cmd
|
|
|
|
|
|
def config_set_config_response(security_ctx, response_data):
|
|
# Interpret protobuf response packet from SetConfig command
|
|
decrypt = security_ctx.decrypt_data(tobytes(response_data))
|
|
cmd_resp4 = proto.wifi_config_pb2.WiFiConfigPayload()
|
|
cmd_resp4.ParseFromString(decrypt)
|
|
print_verbose(security_ctx, "SetConfig status " + str(cmd_resp4.resp_set_config.status))
|
|
return cmd_resp4.resp_set_config.status
|
|
|
|
|
|
def config_apply_config_request(security_ctx):
|
|
# Form protobuf request packet for ApplyConfig command
|
|
cmd = proto.wifi_config_pb2.WiFiConfigPayload()
|
|
cmd.msg = proto.wifi_config_pb2.TypeCmdApplyConfig
|
|
enc_cmd = security_ctx.encrypt_data(cmd.SerializeToString()).decode('latin-1')
|
|
print_verbose(security_ctx, "Client -> Device (ApplyConfig cmd) " + utils.str_to_hexstr(enc_cmd))
|
|
return enc_cmd
|
|
|
|
|
|
def config_apply_config_response(security_ctx, response_data):
|
|
# Interpret protobuf response packet from ApplyConfig command
|
|
decrypt = security_ctx.decrypt_data(tobytes(response_data))
|
|
cmd_resp5 = proto.wifi_config_pb2.WiFiConfigPayload()
|
|
cmd_resp5.ParseFromString(decrypt)
|
|
print_verbose(security_ctx, "ApplyConfig status " + str(cmd_resp5.resp_apply_config.status))
|
|
return cmd_resp5.resp_apply_config.status
|