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https://github.com/espressif/esp-idf.git
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OTA: Add fix in case of URL redirection and a test case of URL redirection
Closes https://github.com/espressif/esp-idf/issues/4780
This commit is contained in:
Shubham Kulkarni
bot
parent
662b39fc1e
commit
0bdd75a344
@ -70,27 +70,20 @@ static esp_err_t _http_handle_response_code(esp_http_client_handle_t http_client
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}
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char upgrade_data_buf[DEFAULT_OTA_BUF_SIZE];
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/*
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* `data_read_size` holds number of bytes to be read.
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* `bytes_read` holds number of bytes read.
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*/
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int bytes_read = 0, data_read_size = DEFAULT_OTA_BUF_SIZE;
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// process_again() returns true only in case of redirection.
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if (process_again(status_code)) {
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while (data_read_size > 0) {
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int data_read = esp_http_client_read(http_client, (upgrade_data_buf + bytes_read), data_read_size);
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while (1) {
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/*
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* As esp_http_client_read never returns negative error code, we rely on
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* `errno` to check for underlying transport connectivity closure if any
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* In case of redirection, esp_http_client_read() is called
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* to clear the response buffer of http_client.
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*/
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if (errno == ENOTCONN || errno == ECONNRESET) {
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ESP_LOGE(TAG, "Connection closed, errno = %d", errno);
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break;
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int data_read = esp_http_client_read(http_client, upgrade_data_buf, DEFAULT_OTA_BUF_SIZE);
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if (data_read < 0) {
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ESP_LOGE(TAG, "Error: SSL data read error");
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return ESP_FAIL;
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} else if (data_read == 0) {
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return ESP_OK;
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}
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bytes_read += data_read;
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data_read_size -= data_read;
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}
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if (data_read_size > 0) {
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return ESP_FAIL;
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}
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}
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return ESP_OK;
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@ -71,23 +71,32 @@ def get_my_ip():
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return my_ip
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def start_https_server(ota_image_dir, server_ip, server_port):
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# parser = argparse.ArgumentParser()
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# parser.add_argument('-p', '--port', dest='port', type= int,
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# help= "Server Port", default= 8000)
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# args = parser.parse_args()
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os.chdir(ota_image_dir)
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def get_server_status(host_ip, port):
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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server_status = sock.connect_ex((host_ip, port))
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sock.close()
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if server_status == 0:
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return True
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return False
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def create_file(server_file, file_data):
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with open(server_file, "w+") as file:
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file.write(file_data)
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def get_ca_cert(ota_image_dir):
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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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cert_file_handle = open(server_file, "w+")
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cert_file_handle.write(server_cert)
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cert_file_handle.close()
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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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key_file_handle = open("server_key.pem", "w+")
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key_file_handle.write(server_key)
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key_file_handle.close()
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create_file(key_file, server_key)
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return server_file, key_file
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def start_https_server(ota_image_dir, server_ip, server_port):
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server_file, key_file = get_ca_cert(ota_image_dir)
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httpd = BaseHTTPServer.HTTPServer((server_ip, server_port),
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SimpleHTTPServer.SimpleHTTPRequestHandler)
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@ -98,19 +107,39 @@ def start_https_server(ota_image_dir, server_ip, server_port):
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def start_chunked_server(ota_image_dir, server_port):
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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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cert_file_handle = open(server_file, "w+")
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cert_file_handle.write(server_cert)
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key_file = os.path.join(ota_image_dir, "server_key.pem")
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key_file_handle = open("server_key.pem", "w+")
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key_file_handle.write(server_key)
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server_file, key_file = get_ca_cert(ota_image_dir)
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chunked_server = subprocess.Popen(["openssl", "s_server", "-WWW", "-key", key_file, "-cert", server_file, "-port", str(server_port)])
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return chunked_server
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def redirect_handler_factory(url):
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"""
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Returns a request handler class that redirects to supplied `url`
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"""
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class RedirectHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
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def do_GET(self):
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print("Sending resp, URL: " + url)
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self.send_response(301)
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self.send_header('Location', url)
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self.end_headers()
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return RedirectHandler
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def start_redirect_server(ota_image_dir, server_ip, server_port, redirection_port):
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os.chdir(ota_image_dir)
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server_file, key_file = get_ca_cert(ota_image_dir)
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redirectHandler = redirect_handler_factory("https://" + server_ip + ":" + str(redirection_port) + "/advanced_https_ota.bin")
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httpd = BaseHTTPServer.HTTPServer((server_ip, server_port),
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redirectHandler)
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httpd.socket = ssl.wrap_socket(httpd.socket,
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keyfile=key_file,
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certfile=server_file, server_side=True)
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httpd.serve_forever()
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@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
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def test_examples_protocol_advanced_https_ota_example(env, extra_data):
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"""
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@ -124,6 +153,7 @@ def test_examples_protocol_advanced_https_ota_example(env, extra_data):
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dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
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# Number of iterations to validate OTA
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iterations = 3
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server_port = 8001
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# File to be downloaded. This file is generated after compilation
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bin_name = "advanced_https_ota.bin"
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# check and log bin size
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@ -133,9 +163,10 @@ def test_examples_protocol_advanced_https_ota_example(env, extra_data):
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ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
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# start test
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host_ip = get_my_ip()
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thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, 8001))
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thread1.daemon = True
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thread1.start()
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if (get_server_status(host_ip, server_port) is False):
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thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, server_port))
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thread1.daemon = True
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thread1.start()
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dut1.start_app()
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for i in range(iterations):
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dut1.expect("Loaded app from partition at offset", timeout=30)
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@ -147,8 +178,8 @@ def test_examples_protocol_advanced_https_ota_example(env, extra_data):
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thread1.close()
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dut1.expect("Starting Advanced OTA example", timeout=30)
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print("writing to device: {}".format("https://" + host_ip + ":8001/" + bin_name))
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dut1.write("https://" + host_ip + ":8001/" + bin_name)
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print("writing to device: {}".format("https://" + host_ip + ":" + str(server_port) + "/" + bin_name))
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dut1.write("https://" + host_ip + ":" + str(server_port) + "/" + bin_name)
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dut1.expect("Loaded app from partition at offset", timeout=60)
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dut1.expect("Starting Advanced OTA example", timeout=30)
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dut1.reset()
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@ -166,6 +197,7 @@ def test_examples_protocol_advanced_https_ota_example_truncated_bin(env, extra_d
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4. Check working of code if bin is truncated
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"""
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dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
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server_port = 8001
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# Original binary file generated after compilation
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bin_name = "advanced_https_ota.bin"
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# Truncated binary file to be generated from original binary file
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@ -186,6 +218,10 @@ def test_examples_protocol_advanced_https_ota_example_truncated_bin(env, extra_d
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ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
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# start test
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host_ip = get_my_ip()
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if (get_server_status(host_ip, server_port) is False):
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thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, server_port))
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thread1.daemon = True
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thread1.start()
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dut1.start_app()
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dut1.expect("Loaded app from partition at offset", timeout=30)
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try:
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@ -195,8 +231,8 @@ def test_examples_protocol_advanced_https_ota_example_truncated_bin(env, extra_d
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raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
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dut1.expect("Starting Advanced OTA example", timeout=30)
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print("writing to device: {}".format("https://" + host_ip + ":8001/" + truncated_bin_name))
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dut1.write("https://" + host_ip + ":8001/" + truncated_bin_name)
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print("writing to device: {}".format("https://" + host_ip + ":" + str(server_port) + "/" + truncated_bin_name))
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dut1.write("https://" + host_ip + ":" + str(server_port) + "/" + truncated_bin_name)
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dut1.expect("Image validation failed, image is corrupted", timeout=30)
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os.remove(binary_file)
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@ -213,6 +249,7 @@ def test_examples_protocol_advanced_https_ota_example_truncated_header(env, extr
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4. Check working of code if headers are not sent completely
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"""
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dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
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server_port = 8001
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# Original binary file generated after compilation
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bin_name = "advanced_https_ota.bin"
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# Truncated binary file to be generated from original binary file
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@ -232,6 +269,10 @@ def test_examples_protocol_advanced_https_ota_example_truncated_header(env, extr
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ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
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# start test
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host_ip = get_my_ip()
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if (get_server_status(host_ip, server_port) is False):
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thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, server_port))
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thread1.daemon = True
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thread1.start()
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dut1.start_app()
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dut1.expect("Loaded app from partition at offset", timeout=30)
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try:
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@ -241,8 +282,8 @@ def test_examples_protocol_advanced_https_ota_example_truncated_header(env, extr
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raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
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dut1.expect("Starting Advanced OTA example", timeout=30)
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print("writing to device: {}".format("https://" + host_ip + ":8001/" + truncated_bin_name))
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dut1.write("https://" + host_ip + ":8001/" + truncated_bin_name)
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print("writing to device: {}".format("https://" + host_ip + ":" + str(server_port) + "/" + truncated_bin_name))
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dut1.write("https://" + host_ip + ":" + str(server_port) + "/" + truncated_bin_name)
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dut1.expect("advanced_https_ota_example: esp_https_ota_read_img_desc failed", timeout=30)
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os.remove(binary_file)
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@ -259,6 +300,7 @@ def test_examples_protocol_advanced_https_ota_example_random(env, extra_data):
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4. Check working of code for random binary file
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"""
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dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
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server_port = 8001
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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 choosen, to reduce the time required to run the test-case
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@ -277,6 +319,10 @@ def test_examples_protocol_advanced_https_ota_example_random(env, extra_data):
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ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
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# start test
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host_ip = get_my_ip()
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if (get_server_status(host_ip, server_port) is False):
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thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, server_port))
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thread1.daemon = True
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thread1.start()
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dut1.start_app()
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dut1.expect("Loaded app from partition at offset", timeout=30)
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try:
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@ -286,8 +332,8 @@ def test_examples_protocol_advanced_https_ota_example_random(env, extra_data):
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raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
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dut1.expect("Starting Advanced OTA example", timeout=30)
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print("writing to device: {}".format("https://" + host_ip + ":8001/" + random_bin_name))
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dut1.write("https://" + host_ip + ":8001/" + random_bin_name)
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print("writing to device: {}".format("https://" + host_ip + ":" + str(server_port) + "/" + random_bin_name))
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dut1.write("https://" + host_ip + ":" + str(server_port) + "/" + random_bin_name)
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dut1.expect("esp_ota_ops: OTA image has invalid magic byte", timeout=10)
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os.remove(binary_file)
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@ -331,9 +377,59 @@ def test_examples_protocol_advanced_https_ota_example_chunked(env, extra_data):
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os.remove(os.path.join(dut1.app.binary_path, "server_key.pem"))
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@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
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def test_examples_protocol_advanced_https_ota_example_redirect_url(env, extra_data):
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"""
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This is a positive test case, which starts a server and a redirection server.
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Redirection server redirects http_request to different port
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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
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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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dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
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server_port = 8001
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# Port to which the request should be redirecetd
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redirection_server_port = 8081
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# File to be downloaded. This file is generated after compilation
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bin_name = "advanced_https_ota.bin"
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# check and log bin size
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binary_file = os.path.join(dut1.app.binary_path, bin_name)
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bin_size = os.path.getsize(binary_file)
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ttfw_idf.log_performance("advanced_https_ota_bin_size", "{}KB".format(bin_size // 1024))
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ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
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# start test
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host_ip = get_my_ip()
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if (get_server_status(host_ip, server_port) is False):
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thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, server_port))
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thread1.daemon = True
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thread1.start()
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thread2 = Thread(target=start_redirect_server, args=(dut1.app.binary_path, host_ip, redirection_server_port, server_port))
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thread2.daemon = True
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thread2.start()
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dut1.start_app()
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dut1.expect("Loaded app from partition at offset", timeout=30)
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try:
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ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
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print("Connected to AP with IP: {}".format(ip_address))
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except DUT.ExpectTimeout:
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raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
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thread1.close()
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thread2.close()
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dut1.expect("Starting Advanced OTA example", timeout=30)
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print("writing to device: {}".format("https://" + host_ip + ":" + str(redirection_server_port) + "/" + bin_name))
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dut1.write("https://" + host_ip + ":" + str(redirection_server_port) + "/" + bin_name)
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dut1.expect("Loaded app from partition at offset", timeout=60)
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dut1.expect("Starting Advanced OTA example", timeout=30)
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dut1.reset()
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if __name__ == '__main__':
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test_examples_protocol_advanced_https_ota_example()
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test_examples_protocol_advanced_https_ota_example_chunked()
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test_examples_protocol_advanced_https_ota_example_redirect_url()
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test_examples_protocol_advanced_https_ota_example_truncated_bin()
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test_examples_protocol_advanced_https_ota_example_truncated_header()
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test_examples_protocol_advanced_https_ota_example_random()
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