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			365 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			365 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Unlicense OR CC0-1.0
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import http.server
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import multiprocessing
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import os
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import random
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import socket
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import ssl
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import struct
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import subprocess
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from typing import Callable
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from typing import Tuple
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import pexpect
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import pytest
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from common_test_methods import get_host_ip4_by_dest_ip
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from pytest_embedded import Dut
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from pytest_embedded_idf.utils import idf_parametrize
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server_cert = (
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    '-----BEGIN CERTIFICATE-----\n'
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    'MIIDWDCCAkACCQCbF4+gVh/MLjANBgkqhkiG9w0BAQsFADBuMQswCQYDVQQGEwJJ\n'
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    'TjELMAkGA1UECAwCTUgxDDAKBgNVBAcMA1BVTjEMMAoGA1UECgwDRVNQMQwwCgYD\n'
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    'VQQLDANFU1AxDDAKBgNVBAMMA0VTUDEaMBgGCSqGSIb3DQEJARYLZXNwQGVzcC5j\n'
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    'b20wHhcNMjEwNzEyMTIzNjI3WhcNNDEwNzA3MTIzNjI3WjBuMQswCQYDVQQGEwJJ\n'
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    'TjELMAkGA1UECAwCTUgxDDAKBgNVBAcMA1BVTjEMMAoGA1UECgwDRVNQMQwwCgYD\n'
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    'VQQLDANFU1AxDDAKBgNVBAMMA0VTUDEaMBgGCSqGSIb3DQEJARYLZXNwQGVzcC5j\n'
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    'b20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDhxF/y7bygndxPwiWL\n'
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    'SwS9LY3uBMaJgup0ufNKVhx+FhGQOu44SghuJAaH3KkPUnt6SOM8jC97/yQuc32W\n'
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    'ukI7eBZoA12kargSnzdv5m5rZZpd+NznSSpoDArOAONKVlzr25A1+aZbix2mKRbQ\n'
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    'S5w9o1N2BriQuSzd8gL0Y0zEk3VkOWXEL+0yFUT144HnErnD+xnJtHe11yPO2fEz\n'
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    'YaGiilh0ddL26PXTugXMZN/8fRVHP50P2OG0SvFpC7vghlLp4VFM1/r3UJnvL6Oz\n'
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    '3ALc6dhxZEKQucqlpj8l1UegszQToopemtIj0qXTHw2+uUnkUyWIPjPC+wdOAoap\n'
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    'rFTRAgMBAAEwDQYJKoZIhvcNAQELBQADggEBAItw24y565k3C/zENZlxyzto44ud\n'
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    'IYPQXN8Fa2pBlLe1zlSIyuaA/rWQ+i1daS8nPotkCbWZyf5N8DYaTE4B0OfvoUPk\n'
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    'B5uGDmbuk6akvlB5BGiYLfQjWHRsK9/4xjtIqN1H58yf3QNROuKsPAeywWS3Fn32\n'
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    '3//OpbWaClQePx6udRYMqAitKR+QxL7/BKZQsX+UyShuq8hjphvXvk0BW8ONzuw9\n'
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    'RcoORxM0FzySYjeQvm4LhzC/P3ZBhEq0xs55aL2a76SJhq5hJy7T/Xz6NFByvlrN\n'
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    'lFJJey33KFrAf5vnV9qcyWFIo7PYy2VsaaEjFeefr7q3sTFSMlJeadexW2Y=\n'
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    '-----END CERTIFICATE-----\n'
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)
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server_key = (
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    '-----BEGIN PRIVATE KEY-----\n'
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    'MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDhxF/y7bygndxP\n'
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    'wiWLSwS9LY3uBMaJgup0ufNKVhx+FhGQOu44SghuJAaH3KkPUnt6SOM8jC97/yQu\n'
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    'c32WukI7eBZoA12kargSnzdv5m5rZZpd+NznSSpoDArOAONKVlzr25A1+aZbix2m\n'
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    'KRbQS5w9o1N2BriQuSzd8gL0Y0zEk3VkOWXEL+0yFUT144HnErnD+xnJtHe11yPO\n'
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    '2fEzYaGiilh0ddL26PXTugXMZN/8fRVHP50P2OG0SvFpC7vghlLp4VFM1/r3UJnv\n'
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    'L6Oz3ALc6dhxZEKQucqlpj8l1UegszQToopemtIj0qXTHw2+uUnkUyWIPjPC+wdO\n'
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    'AoaprFTRAgMBAAECggEAE0HCxV/N1Q1h+1OeDDGL5+74yjKSFKyb/vTVcaPCrmaH\n'
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    'fPvp0ddOvMZJ4FDMAsiQS6/n4gQ7EKKEnYmwTqj4eUYW8yxGUn3f0YbPHbZT+Mkj\n'
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    'z5woi3nMKi/MxCGDQZX4Ow3xUQlITUqibsfWcFHis8c4mTqdh4qj7xJzehD2PVYF\n'
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    'gNHZsvVj6MltjBDAVwV1IlGoHjuElm6vuzkfX7phxcA1B4ZqdYY17yCXUnvui46z\n'
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    'Xn2kUTOOUCEgfgvGa9E+l4OtdXi5IxjaSraU+dlg2KsE4TpCuN2MEVkeR5Ms3Y7Q\n'
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    'jgJl8vlNFJDQpbFukLcYwG7rO5N5dQ6WWfVia/5XgQKBgQD74at/bXAPrh9NxPmz\n'
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    'i1oqCHMDoM9sz8xIMZLF9YVu3Jf8ux4xVpRSnNy5RU1gl7ZXbpdgeIQ4v04zy5aw\n'
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    '8T4tu9K3XnR3UXOy25AK0q+cnnxZg3kFQm+PhtOCKEFjPHrgo2MUfnj+EDddod7N\n'
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    'JQr9q5rEFbqHupFPpWlqCa3QmQKBgQDldWUGokNaEpmgHDMnHxiibXV5LQhzf8Rq\n'
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    'gJIQXb7R9EsTSXEvsDyqTBb7PHp2Ko7rZ5YQfyf8OogGGjGElnPoU/a+Jij1gVFv\n'
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    'kZ064uXAAISBkwHdcuobqc5EbG3ceyH46F+FBFhqM8KcbxJxx08objmh58+83InN\n'
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    'P9Qr25Xw+QKBgEGXMHuMWgQbSZeM1aFFhoMvlBO7yogBTKb4Ecpu9wI5e3Kan3Al\n'
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    'pZYltuyf+VhP6XG3IMBEYdoNJyYhu+nzyEdMg8CwXg+8LC7FMis/Ve+o7aS5scgG\n'
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    '1to/N9DK/swCsdTRdzmc/ZDbVC+TuVsebFBGYZTyO5KgqLpezqaIQrTxAoGALFCU\n'
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    '10glO9MVyl9H3clap5v+MQ3qcOv/EhaMnw6L2N6WVT481tnxjW4ujgzrFcE4YuxZ\n'
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    'hgwYu9TOCmeqopGwBvGYWLbj+C4mfSahOAs0FfXDoYazuIIGBpuv03UhbpB1Si4O\n'
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    'rJDfRnuCnVWyOTkl54gKJ2OusinhjztBjcrV1XkCgYEA3qNi4uBsPdyz9BZGb/3G\n'
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    'rOMSw0CaT4pEMTLZqURmDP/0hxvTk1polP7O/FYwxVuJnBb6mzDa0xpLFPTpIAnJ\n'
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    'YXB8xpXU69QVh+EBbemdJWOd+zp5UCfXvb2shAeG3Tn/Dz4cBBMEUutbzP+or0nG\n'
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    'vSXnRLaxQhooWm+IuX9SuBQ=\n'
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    '-----END PRIVATE KEY-----\n'
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)
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def create_file(server_file: str, file_data: str) -> None:
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    with open(server_file, 'w+', encoding='utf-8') as file:
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        file.write(file_data)
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def get_ca_cert(ota_image_dir: str) -> Tuple[str, str]:
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    os.chdir(ota_image_dir)
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    server_file = os.path.join(ota_image_dir, 'server_cert.pem')
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    create_file(server_file, server_cert)
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    key_file = os.path.join(ota_image_dir, 'server_key.pem')
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    create_file(key_file, server_key)
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    return server_file, key_file
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def https_request_handler() -> Callable[..., http.server.BaseHTTPRequestHandler]:
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    """
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    Returns a request handler class that handles broken pipe exception
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    """
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    class RequestHandler(http.server.SimpleHTTPRequestHandler):
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        def finish(self) -> None:
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            try:
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                if not self.wfile.closed:
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                    self.wfile.flush()
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                    self.wfile.close()
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            except socket.error:
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                pass
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            self.rfile.close()
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        def handle(self) -> None:
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            try:
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                http.server.BaseHTTPRequestHandler.handle(self)
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            except socket.error:
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                pass
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    return RequestHandler
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def start_https_server(ota_image_dir: str, server_ip: str, server_port: int) -> None:
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    server_file, key_file = get_ca_cert(ota_image_dir)
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    requestHandler = https_request_handler()
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    httpd = http.server.HTTPServer((server_ip, server_port), requestHandler)
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    ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
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    ssl_context.load_cert_chain(certfile=server_file, keyfile=key_file)
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    httpd.socket = ssl_context.wrap_socket(httpd.socket, server_side=True)
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    httpd.serve_forever()
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def start_chunked_server(ota_image_dir: str, server_port: int) -> subprocess.Popen:
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    server_file, key_file = get_ca_cert(ota_image_dir)
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    chunked_server = subprocess.Popen([
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        'openssl',
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        's_server',
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        '-WWW',
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        '-key',
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        key_file,
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        '-cert',
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        server_file,
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        '-port',
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        str(server_port),
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    ])
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    return chunked_server
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@pytest.mark.ethernet_ota
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@idf_parametrize('target', ['esp32'], indirect=['target'])
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def test_examples_protocol_native_ota_example(dut: Dut) -> None:
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    """
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    This is a positive test case, which downloads complete binary file multiple number of times.
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    Number of iterations can be specified in variable iterations.
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    steps: |
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      1. join AP/Ethernet
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      2. Fetch OTA image over HTTPS
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      3. Reboot with the new OTA image
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    """
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    server_port = 8002
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    # No. of times working of application to be validated
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    iterations = 3
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    # File to be downloaded. This file is generated after compilation
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    bin_name = 'native_ota.bin'
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    # Start server
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    thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, '0.0.0.0', server_port))
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    thread1.daemon = True
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    thread1.start()
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    try:
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        # start test
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        for _ in range(iterations):
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            dut.expect('Loaded app from partition at offset', timeout=30)
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            try:
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                ip_address = dut.expect(r'IPv4 address: (\d+\.\d+\.\d+\.\d+)[^\d]', timeout=30)[1].decode()
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                print('Connected to AP/Ethernet with IP: {}'.format(ip_address))
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            except pexpect.exceptions.TIMEOUT:
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                raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP/Ethernet')
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            host_ip = get_host_ip4_by_dest_ip(ip_address)
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            dut.expect('Starting OTA example task', timeout=30)
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            print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + bin_name))
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            dut.write('https://' + host_ip + ':' + str(server_port) + '/' + bin_name)
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            dut.expect('Prepare to restart system!', timeout=60)
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    finally:
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        thread1.terminate()
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@pytest.mark.ethernet_ota
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@idf_parametrize('target', ['esp32'], indirect=['target'])
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def test_examples_protocol_native_ota_example_truncated_bin(dut: Dut) -> None:
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    """
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    Working of OTA if binary file is truncated is validated in this test case.
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    Application should return with error message in this case.
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    steps: |
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      1. join AP/Ethernet
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      2. Generate truncated binary file
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      3. Fetch OTA image over HTTPS
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      4. Check working of code if bin is truncated
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    """
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    server_port = 8002
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    # Original binary file generated after compilation
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    bin_name = 'native_ota.bin'
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    # Truncated binary file to be generated from original binary file
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    truncated_bin_name = 'truncated.bin'
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    # Size of truncated file to be grnerated. This value can range from 288 bytes (Image header size) to size of original binary file
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    # truncated_bin_size is set to 64000 to reduce consumed by the test case
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    truncated_bin_size = 64000
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    # check and log bin size
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    binary_file = os.path.join(dut.app.binary_path, bin_name)
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    with open(binary_file, 'rb+') as fr:
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        bin_data = fr.read(truncated_bin_size)
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    binary_file = os.path.join(dut.app.binary_path, truncated_bin_name)
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    with open(binary_file, 'wb+') as output_file:
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        output_file.write(bin_data)
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    # Start server
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    thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, '0.0.0.0', server_port))
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    thread1.daemon = True
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    thread1.start()
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    try:
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        # start test
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        dut.expect('Loaded app from partition at offset', timeout=30)
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        try:
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            ip_address = dut.expect(r'IPv4 address: (\d+\.\d+\.\d+\.\d+)[^\d]', timeout=30)[1].decode()
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            print('Connected to AP/Ethernet with IP: {}'.format(ip_address))
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        except pexpect.exceptions.TIMEOUT:
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            raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP/Ethernet')
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        host_ip = get_host_ip4_by_dest_ip(ip_address)
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        dut.expect('Starting OTA example task', timeout=30)
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        print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + truncated_bin_name))
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        dut.write('https://' + host_ip + ':' + str(server_port) + '/' + truncated_bin_name)
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        dut.expect('native_ota_example: Image validation failed, image is corrupted', timeout=20)
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        os.remove(binary_file)
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    finally:
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        thread1.terminate()
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@pytest.mark.ethernet_ota
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@idf_parametrize('target', ['esp32'], indirect=['target'])
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def test_examples_protocol_native_ota_example_truncated_header(dut: Dut) -> None:
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    """
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    Working of OTA if headers of binary file are truncated is validated in this test case.
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    Application should return with error message in this case.
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    steps: |
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      1. join AP/Ethernet
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      2. Generate binary file with truncated headers
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      3. Fetch OTA image over HTTPS
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      4. Check working of code if headers are not sent completely
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    """
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    server_port = 8002
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    # Original binary file generated after compilation
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    bin_name = 'native_ota.bin'
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    # Truncated binary file to be generated from original binary file
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    truncated_bin_name = 'truncated_header.bin'
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    # Size of truncated file to be grnerated. This value should be less than 288 bytes (Image header size)
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    truncated_bin_size = 180
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    # check and log bin size
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    binary_file = os.path.join(dut.app.binary_path, bin_name)
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    with open(binary_file, 'rb+') as fr:
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        bin_data = fr.read(truncated_bin_size)
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    binary_file = os.path.join(dut.app.binary_path, truncated_bin_name)
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    with open(binary_file, 'wb+') as output_file:
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        output_file.write(bin_data)
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    # Start server
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    thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, '0.0.0.0', server_port))
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    thread1.daemon = True
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    thread1.start()
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    try:
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        # start test
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        dut.expect('Loaded app from partition at offset', timeout=30)
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        try:
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            ip_address = dut.expect(r'IPv4 address: (\d+\.\d+\.\d+\.\d+)[^\d]', timeout=30)[1].decode()
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            print('Connected to AP/Ethernet with IP: {}'.format(ip_address))
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        except pexpect.exceptions.TIMEOUT:
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            raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP/Ethernet')
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        host_ip = get_host_ip4_by_dest_ip(ip_address)
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        dut.expect('Starting OTA example task', timeout=30)
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        print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + truncated_bin_name))
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        dut.write('https://' + host_ip + ':' + str(server_port) + '/' + truncated_bin_name)
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        dut.expect('native_ota_example: received package is not fit len', timeout=20)
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        os.remove(binary_file)
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    finally:
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        thread1.terminate()
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@pytest.mark.ethernet_ota
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@idf_parametrize('target', ['esp32'], indirect=['target'])
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def test_examples_protocol_native_ota_example_random(dut: Dut) -> None:
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    """
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    Working of OTA if random data is added in binary file are validated in this test case.
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    Magic byte verification should fail in this case.
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    steps: |
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      1. join AP/Ethernet
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      2. Generate random binary image
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      3. Fetch OTA image over HTTPS
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      4. Check working of code for random binary file
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    """
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    server_port = 8002
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    # Random binary file to be generated
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    random_bin_name = 'random.bin'
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    # Size of random binary file. 32000 is chosen, to reduce the time required to run the test-case
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    random_bin_size = 32000
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    # check and log bin size
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    binary_file = os.path.join(dut.app.binary_path, random_bin_name)
 | 
						|
    output_file = open(binary_file, 'wb+')
 | 
						|
    # First byte of binary file is always set to zero. If first byte is generated randomly,
 | 
						|
    # in some cases it may generate 0xE9 which will result in failure of testcase.
 | 
						|
    with open(binary_file, 'wb+') as output_file:
 | 
						|
        output_file.write(struct.pack('B', 0))
 | 
						|
        for _ in range(random_bin_size - 1):
 | 
						|
            output_file.write(struct.pack('B', random.randrange(0, 255, 1)))
 | 
						|
    # Start server
 | 
						|
    thread1 = multiprocessing.Process(target=start_https_server, args=(dut.app.binary_path, '0.0.0.0', server_port))
 | 
						|
    thread1.daemon = True
 | 
						|
    thread1.start()
 | 
						|
    try:
 | 
						|
        # start test
 | 
						|
        dut.expect('Loaded app from partition at offset', timeout=30)
 | 
						|
        try:
 | 
						|
            ip_address = dut.expect(r'IPv4 address: (\d+\.\d+\.\d+\.\d+)[^\d]', timeout=30)[1].decode()
 | 
						|
            print('Connected to AP/Ethernet with IP: {}'.format(ip_address))
 | 
						|
        except pexpect.exceptions.TIMEOUT:
 | 
						|
            raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP/Ethernet')
 | 
						|
        host_ip = get_host_ip4_by_dest_ip(ip_address)
 | 
						|
 | 
						|
        dut.expect('Starting OTA example task', timeout=30)
 | 
						|
        print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + random_bin_name))
 | 
						|
        dut.write('https://' + host_ip + ':' + str(server_port) + '/' + random_bin_name)
 | 
						|
        dut.expect('esp_ota_ops: OTA image has invalid magic byte', timeout=20)
 | 
						|
        os.remove(binary_file)
 | 
						|
    finally:
 | 
						|
        thread1.terminate()
 | 
						|
 | 
						|
 | 
						|
@pytest.mark.ethernet_ota
 | 
						|
@idf_parametrize('target', ['esp32'], indirect=['target'])
 | 
						|
def test_examples_protocol_native_ota_example_chunked(dut: Dut) -> None:
 | 
						|
    """
 | 
						|
    This is a positive test case, which downloads complete binary file multiple number of times.
 | 
						|
    Number of iterations can be specified in variable iterations.
 | 
						|
    steps: |
 | 
						|
      1. join AP/Ethernet
 | 
						|
      2. Fetch OTA image over HTTPS
 | 
						|
      3. Reboot with the new OTA image
 | 
						|
    """
 | 
						|
    # File to be downloaded. This file is generated after compilation
 | 
						|
    bin_name = 'native_ota.bin'
 | 
						|
    # Start server
 | 
						|
    chunked_server = start_chunked_server(dut.app.binary_path, 8070)
 | 
						|
    try:
 | 
						|
        # start test
 | 
						|
        dut.expect('Loaded app from partition at offset', timeout=30)
 | 
						|
        try:
 | 
						|
            ip_address = dut.expect(r'IPv4 address: (\d+\.\d+\.\d+\.\d+)[^\d]', timeout=30)[1].decode()
 | 
						|
            print('Connected to AP/Ethernet with IP: {}'.format(ip_address))
 | 
						|
        except pexpect.exceptions.TIMEOUT:
 | 
						|
            raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP/Ethernet')
 | 
						|
        host_ip = get_host_ip4_by_dest_ip(ip_address)
 | 
						|
 | 
						|
        dut.expect('Starting OTA example task', timeout=30)
 | 
						|
        print('writing to device: {}'.format('https://' + host_ip + ':8070/' + bin_name))
 | 
						|
        dut.write('https://' + host_ip + ':8070/' + bin_name)
 | 
						|
        dut.expect('Prepare to restart system!', timeout=60)
 | 
						|
        # after reboot
 | 
						|
        dut.expect('Loaded app from partition at offset', timeout=30)
 | 
						|
        dut.expect('OTA example app_main start', timeout=10)
 | 
						|
        os.remove(os.path.join(dut.app.binary_path, 'server_cert.pem'))
 | 
						|
        os.remove(os.path.join(dut.app.binary_path, 'server_key.pem'))
 | 
						|
    finally:
 | 
						|
        chunked_server.kill()
 |