kopia lustrzana https://github.com/espressif/esp-idf
106 wiersze
4.6 KiB
Python
106 wiersze
4.6 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 Wi-Fi Scanning
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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 scan_start_request(security_ctx, blocking=True, passive=False, group_channels=5, period_ms=120):
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# Form protobuf request packet for ScanStart command
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cmd = proto.wifi_scan_pb2.WiFiScanPayload()
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cmd.msg = proto.wifi_scan_pb2.TypeCmdScanStart
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cmd.cmd_scan_start.blocking = blocking
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cmd.cmd_scan_start.passive = passive
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cmd.cmd_scan_start.group_channels = group_channels
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cmd.cmd_scan_start.period_ms = period_ms
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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 (Encrypted CmdScanStart) ' + utils.str_to_hexstr(enc_cmd))
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return enc_cmd
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def scan_start_response(security_ctx, response_data):
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# Interpret protobuf response packet from ScanStart command
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dec_resp = security_ctx.decrypt_data(tobytes(response_data))
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resp = proto.wifi_scan_pb2.WiFiScanPayload()
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resp.ParseFromString(dec_resp)
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print_verbose(security_ctx, 'ScanStart status ' + str(resp.status))
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if resp.status != 0:
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raise RuntimeError
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def scan_status_request(security_ctx):
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# Form protobuf request packet for ScanStatus command
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cmd = proto.wifi_scan_pb2.WiFiScanPayload()
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cmd.msg = proto.wifi_scan_pb2.TypeCmdScanStatus
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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 (Encrypted CmdScanStatus) ' + utils.str_to_hexstr(enc_cmd))
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return enc_cmd
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def scan_status_response(security_ctx, response_data):
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# Interpret protobuf response packet from ScanStatus command
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dec_resp = security_ctx.decrypt_data(tobytes(response_data))
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resp = proto.wifi_scan_pb2.WiFiScanPayload()
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resp.ParseFromString(dec_resp)
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print_verbose(security_ctx, 'ScanStatus status ' + str(resp.status))
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if resp.status != 0:
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raise RuntimeError
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return {'finished': resp.resp_scan_status.scan_finished, 'count': resp.resp_scan_status.result_count}
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def scan_result_request(security_ctx, index, count):
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# Form protobuf request packet for ScanResult command
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cmd = proto.wifi_scan_pb2.WiFiScanPayload()
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cmd.msg = proto.wifi_scan_pb2.TypeCmdScanResult
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cmd.cmd_scan_result.start_index = index
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cmd.cmd_scan_result.count = count
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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 (Encrypted CmdScanResult) ' + utils.str_to_hexstr(enc_cmd))
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return enc_cmd
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def scan_result_response(security_ctx, response_data):
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# Interpret protobuf response packet from ScanResult command
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dec_resp = security_ctx.decrypt_data(tobytes(response_data))
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resp = proto.wifi_scan_pb2.WiFiScanPayload()
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resp.ParseFromString(dec_resp)
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print_verbose(security_ctx, 'ScanResult status ' + str(resp.status))
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if resp.status != 0:
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raise RuntimeError
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authmode_str = ['Open', 'WEP', 'WPA_PSK', 'WPA2_PSK', 'WPA_WPA2_PSK', 'WPA2_ENTERPRISE']
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results = []
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for entry in resp.resp_scan_result.entries:
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results += [{'ssid': entry.ssid.decode('latin-1').rstrip('\x00'),
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'bssid': utils.str_to_hexstr(entry.bssid.decode('latin-1')),
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'channel': entry.channel,
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'rssi': entry.rssi,
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'auth': authmode_str[entry.auth]}]
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print_verbose(security_ctx, 'ScanResult SSID : ' + str(results[-1]['ssid']))
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print_verbose(security_ctx, 'ScanResult BSSID : ' + str(results[-1]['bssid']))
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print_verbose(security_ctx, 'ScanResult Channel : ' + str(results[-1]['channel']))
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print_verbose(security_ctx, 'ScanResult RSSI : ' + str(results[-1]['rssi']))
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print_verbose(security_ctx, 'ScanResult AUTH : ' + str(results[-1]['auth']))
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return results
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