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Merge branch 'bugfix/advanced_https_ota_example_v4.0' into 'release/v4.0'

Browse Source 
esp_https_ota in sync with v4.x (backport v4.0)

See merge request espressif/esp-idf!7153
This commit is contained in:
Mahavir Jain 2020-03-20 14:33:53 +08:00
commit 08f401b74e
17 changed files with 1108 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
components/esp_http_client/esp_http_client.c
View File

@ -796,6 +796,22 @@ static int esp_http_client_get_data(esp_http_client_handle_t client)
return rlen;
}
bool esp_http_client_is_complete_data_received(esp_http_client_handle_t client)
{
if (client->response->is_chunked) {
if (!client->is_chunk_complete) {
ESP_LOGD(TAG, "Chunks were not completely read");
return false;
}
} else {
if (client->response->data_process != client->response->content_length) {
ESP_LOGD(TAG, "Data processed %d != Data specified in content length %d", client->response->data_process, client->response->content_length);
return false;
}
}
return true;
}
int esp_http_client_read(esp_http_client_handle_t client, char *buffer, int len)
{
esp_http_buffer_t *res_buffer = client->response->buffer;
@ -819,7 +835,7 @@ int esp_http_client_read(esp_http_client_handle_t client, char *buffer, int len)
} else {
is_data_remain = client->response->data_process < client->response->content_length;
}
ESP_LOGD(TAG, "is_data_remain=%d, is_chunked=%d", is_data_remain, client->response->is_chunked);
ESP_LOGD(TAG, "is_data_remain=%d, is_chunked=%d, content_length=%d", is_data_remain, client->response->is_chunked, client->response->content_length);
if (!is_data_remain) {
break;
}
@ -827,10 +843,23 @@ int esp_http_client_read(esp_http_client_handle_t client, char *buffer, int len)
if (byte_to_read > client->buffer_size_rx) {
byte_to_read = client->buffer_size_rx;
}
errno = 0;
rlen = esp_transport_read(client->transport, res_buffer->data, byte_to_read, client->timeout_ms);
ESP_LOGD(TAG, "need_read=%d, byte_to_read=%d, rlen=%d, ridx=%d", need_read, byte_to_read, rlen, ridx);
if (rlen <= 0) {
if (errno != 0) {
esp_log_level_t sev = ESP_LOG_WARN;
/* On connection close from server, recv should ideally return 0 but we have error conversion
* in `tcp_transport` SSL layer which translates it `-1` and hence below additional checks */
if (rlen == -1 && errno == ENOTCONN && client->response->is_chunked) {
/* Explicit call to parser for invoking `message_complete` callback */
http_parser_execute(client->parser, client->parser_settings, res_buffer->data, 0);
/* ...and lowering the message severity, as closed connection from server side is expected in chunked transport */
sev = ESP_LOG_DEBUG;
}
ESP_LOG_LEVEL(sev, TAG, "esp_transport_read returned:%d and errno:%d ", rlen, errno);
}
return ridx;
}
res_buffer->output_ptr = buffer + ridx;

11
components/esp_http_client/include/esp_http_client.h
View File

@ -473,6 +473,17 @@ esp_err_t esp_http_client_set_redirection(esp_http_client_handle_t client);
*/
void esp_http_client_add_auth(esp_http_client_handle_t client);
/**
* @brief Checks if entire data in the response has been read without any error.
*
* @param[in] client The esp_http_client handle
*
* @return
* - true
* - false
*/
bool esp_http_client_is_complete_data_received(esp_http_client_handle_t client);
#ifdef __cplusplus
}
#endif

2
components/esp_https_ota/CMakeLists.txt
View File

@ -1,4 +1,4 @@
idf_component_register(SRCS "src/esp_https_ota.c"
INCLUDE_DIRS "include"
REQUIRES esp_http_client
REQUIRES esp_http_client bootloader_support
PRIV_REQUIRES log app_update)

15
components/esp_https_ota/include/esp_https_ota.h
View File

@ -15,7 +15,7 @@
#pragma once
#include <esp_http_client.h>
#include <esp_ota_ops.h>
#include <bootloader_common.h>
#ifdef __cplusplus
extern "C" {
@ -110,6 +110,19 @@ esp_err_t esp_https_ota_begin(esp_https_ota_config_t *ota_config, esp_https_ota_
*/
esp_err_t esp_https_ota_perform(esp_https_ota_handle_t https_ota_handle);
/**
* @brief Checks if complete data was received or not
*
* @note This API can be called just before esp_https_ota_finish() to validate if the complete image was indeed received.
*
* @param[in] https_ota_handle pointer to esp_https_ota_handle_t structure
*
* @return
* - false
* - true
*/
bool esp_https_ota_is_complete_data_received(esp_https_ota_handle_t https_ota_handle);
/**
* @brief Clean-up HTTPS OTA Firmware upgrade and close HTTPS connection
*

86
components/esp_https_ota/src/esp_https_ota.c
View File

@ -17,6 +17,8 @@
#include <string.h>
#include <esp_https_ota.h>
#include <esp_log.h>
#include <esp_ota_ops.h>
#include <errno.h>
#define IMAGE_HEADER_SIZE sizeof(esp_image_header_t) + sizeof(esp_image_segment_header_t) + sizeof(esp_app_desc_t) + 1
#define DEFAULT_OTA_BUF_SIZE IMAGE_HEADER_SIZE
@ -68,8 +70,13 @@ static esp_err_t _http_handle_response_code(esp_http_client_handle_t http_client
}
char upgrade_data_buf[DEFAULT_OTA_BUF_SIZE];
// process_again() returns true only in case of redirection.
if (process_again(status_code)) {
while (1) {
/*
* In case of redirection, esp_http_client_read() is called
* to clear the response buffer of http_client.
*/
int data_read = esp_http_client_read(http_client, upgrade_data_buf, DEFAULT_OTA_BUF_SIZE);
if (data_read < 0) {
ESP_LOGE(TAG, "Error: SSL data read error");
@ -85,17 +92,21 @@ static esp_err_t _http_handle_response_code(esp_http_client_handle_t http_client
static esp_err_t _http_connect(esp_http_client_handle_t http_client)
{
esp_err_t err = ESP_FAIL;
int status_code;
int status_code, header_ret;
do {
err = esp_http_client_open(http_client, 0);
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to open HTTP connection: %s", esp_err_to_name(err));
return err;
}
esp_http_client_fetch_headers(http_client);
header_ret = esp_http_client_fetch_headers(http_client);
if (header_ret < 0) {
return header_ret;
}
status_code = esp_http_client_get_status_code(http_client);
if (_http_handle_response_code(http_client, status_code) != ESP_OK) {
return ESP_FAIL;
err = _http_handle_response_code(http_client, status_code);
if (err != ESP_OK) {
return err;
}
} while (process_again(status_code));
return err;
@ -209,19 +220,37 @@ esp_err_t esp_https_ota_get_img_desc(esp_https_ota_handle_t https_ota_handle, es
ESP_LOGE(TAG, "esp_https_ota_read_img_desc: Invalid state");
return ESP_FAIL;
}
/*
* `data_read_size` holds number of bytes needed to read complete header.
* `bytes_read` holds number of bytes read.
*/
int data_read_size = IMAGE_HEADER_SIZE;
int data_read = esp_http_client_read(handle->http_client,
handle->ota_upgrade_buf,
data_read_size);
if (data_read < 0) {
return ESP_FAIL;
}
if (data_read >= sizeof(esp_image_header_t) + sizeof(esp_image_segment_header_t) + sizeof(esp_app_desc_t)) {
memcpy(new_app_info, &handle->ota_upgrade_buf[sizeof(esp_image_header_t) + sizeof(esp_image_segment_header_t)], sizeof(esp_app_desc_t));
handle->binary_file_len += data_read;
} else {
int data_read = 0, bytes_read = 0;
/*
* while loop is added to download complete image headers, even if the headers
* are not sent in a single packet.
*/
while (data_read_size > 0 && !esp_https_ota_is_complete_data_received(https_ota_handle)) {
data_read = esp_http_client_read(handle->http_client,
(handle->ota_upgrade_buf + bytes_read),
data_read_size);
/*
* As esp_http_client_read never returns negative error code, we rely on
* `errno` to check for underlying transport connectivity closure if any
*/
if (errno == ENOTCONN || errno == ECONNRESET || errno == ECONNABORTED) {
ESP_LOGE(TAG, "Connection closed, errno = %d", errno);
break;
}
data_read_size -= data_read;
bytes_read += data_read;
}
if (data_read_size > 0) {
ESP_LOGE(TAG, "Complete headers were not received");
return ESP_FAIL;
}
handle->binary_file_len = bytes_read;
memcpy(new_app_info, &handle->ota_upgrade_buf[sizeof(esp_image_header_t) + sizeof(esp_image_segment_header_t)], sizeof(esp_app_desc_t));
return ESP_OK;
}
@ -259,10 +288,25 @@ esp_err_t esp_https_ota_perform(esp_https_ota_handle_t https_ota_handle)
handle->ota_upgrade_buf,
handle->ota_upgrade_buf_size);
if (data_read == 0) {
ESP_LOGI(TAG, "Connection closed, all data received");
} else if (data_read < 0) {
ESP_LOGE(TAG, "Error: SSL data read error");
return ESP_FAIL;
/*
* esp_https_ota_is_complete_data_received is added to check whether
* complete image is received.
*/
bool is_recv_complete = esp_https_ota_is_complete_data_received(https_ota_handle);
/*
* As esp_http_client_read never returns negative error code, we rely on
* `errno` to check for underlying transport connectivity closure if any.
* Incase the complete data has not been received but the server has sent
* an ENOTCONN or ECONNRESET, failure is returned. We close with success
* if complete data has been received.
*/
if ((errno == ENOTCONN || errno == ECONNRESET || errno == ECONNABORTED) && !is_recv_complete) {
ESP_LOGE(TAG, "Connection closed, errno = %d", errno);
return ESP_FAIL;
} else if (!is_recv_complete) {
return ESP_ERR_HTTPS_OTA_IN_PROGRESS;
}
ESP_LOGI(TAG, "Connection closed");
} else if (data_read > 0) {
return _ota_write(handle, (const void *)handle->ota_upgrade_buf, data_read);
}
@ -276,6 +320,12 @@ esp_err_t esp_https_ota_perform(esp_https_ota_handle_t https_ota_handle)
return ESP_OK;
}
bool esp_https_ota_is_complete_data_received(esp_https_ota_handle_t https_ota_handle)
{
esp_https_ota_t *handle = (esp_https_ota_t *)https_ota_handle;
return esp_http_client_is_complete_data_received(handle->http_client);
}
esp_err_t esp_https_ota_finish(esp_https_ota_handle_t https_ota_handle)
{
esp_https_ota_t *handle = (esp_https_ota_t *)https_ota_handle;

435
examples/system/ota/advanced_https_ota/example_test.py Normal file
View File

@ -0,0 +1,435 @@
import re
import os
import socket
import BaseHTTPServer
import SimpleHTTPServer
from threading import Thread
import ssl
from tiny_test_fw import DUT
import ttfw_idf
import random
import subprocess
server_cert = "-----BEGIN CERTIFICATE-----\n" \
"MIIDXTCCAkWgAwIBAgIJAP4LF7E72HakMA0GCSqGSIb3DQEBCwUAMEUxCzAJBgNV\n"\
"BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX\n"\
"aWRnaXRzIFB0eSBMdGQwHhcNMTkwNjA3MDk1OTE2WhcNMjAwNjA2MDk1OTE2WjBF\n"\
"MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50\n"\
"ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB\n"\
"CgKCAQEAlzfCyv3mIv7TlLkObxunKfCdrJ/zgdANrsx0RBtpEPhV560hWJ0fEin0\n"\
"nIOMpJSiF9E6QsPdr6Q+eogH4XnOMU9JE+iG743N1dPfGEzJvRlyct/Ck8SswKPC\n"\
"9+VXsnOdZmUw9y/xtANbURA/TspvPzz3Avv382ffffrJGh7ooOmaZSCZFlSYHLZA\n"\
"w/XlRr0sSRbLpFGY0gXjaAV8iHHiPDYLy4kZOepjV9U51xi+IGsL4w75zuMgsHyF\n"\
"3nJeGYHgtGVBrkL0ZKG5udY0wcBjysjubDJC4iSlNiq2HD3fhs7j6CZddV2v845M\n"\
"lVKNxP0kO4Uj4D8r+5USWC8JKfAwxQIDAQABo1AwTjAdBgNVHQ4EFgQU6OE7ssfY\n"\
"IIPTDThiUoofUpsD5NwwHwYDVR0jBBgwFoAU6OE7ssfYIIPTDThiUoofUpsD5Nww\n"\
"DAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAXIlHS/FJWfmcinUAxyBd\n"\
"/xd5Lu8ykeru6oaUCci+Vk9lyoMMES7lQ+b/00d5x7AcTawkTil9EWpBTPTOTraA\n"\
"lzJMQhNKmSLk0iIoTtAJtSZgUSpIIozqK6lenxQQDsHbXKU6h+u9H6KZE8YcjsFl\n"\
"6vL7sw9BVotw/VxfgjQ5OSGLgoLrdVT0z5C2qOuwOgz1c7jNiJhtMdwN+cOtnJp2\n"\
"fuBgEYyE3eeuWogvkWoDcIA8r17Ixzkpq2oJsdvZcHZPIZShPKW2SHUsl98KDemu\n"\
"y0pQyExmQUbwKE4vbFb9XuWCcL9XaOHQytyszt2DeD67AipvoBwVU7/LBOvqnsmy\n"\
"hA==\n"\
"-----END CERTIFICATE-----\n"
server_key = "-----BEGIN PRIVATE KEY-----\n"\
"MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCXN8LK/eYi/tOU\n"\
"uQ5vG6cp8J2sn/OB0A2uzHREG2kQ+FXnrSFYnR8SKfScg4yklKIX0TpCw92vpD56\n"\
"iAfhec4xT0kT6Ibvjc3V098YTMm9GXJy38KTxKzAo8L35Veyc51mZTD3L/G0A1tR\n"\
"ED9Oym8/PPcC+/fzZ999+skaHuig6ZplIJkWVJgctkDD9eVGvSxJFsukUZjSBeNo\n"\
"BXyIceI8NgvLiRk56mNX1TnXGL4gawvjDvnO4yCwfIXecl4ZgeC0ZUGuQvRkobm5\n"\
"1jTBwGPKyO5sMkLiJKU2KrYcPd+GzuPoJl11Xa/zjkyVUo3E/SQ7hSPgPyv7lRJY\n"\
"Lwkp8DDFAgMBAAECggEAfBhAfQE7mUByNbxgAgI5fot9eaqR1Nf+QpJ6X2H3KPwC\n"\
"02sa0HOwieFwYfj6tB1doBoNq7i89mTc+QUlIn4pHgIowHO0OGawomeKz5BEhjCZ\n"\
"4XeLYGSoODary2+kNkf2xY8JTfFEcyvGBpJEwc4S2VyYgRRx+IgnumTSH+N5mIKZ\n"\
"SXWNdZIuHEmkwod+rPRXs6/r+PH0eVW6WfpINEbr4zVAGXJx2zXQwd2cuV1GTJWh\n"\
"cPVOXLu+XJ9im9B370cYN6GqUnR3fui13urYbnWnEf3syvoH/zuZkyrVChauoFf8\n"\
"8EGb74/HhXK7Q2s8NRakx2c7OxQifCbcy03liUMmyQKBgQDFAob5B/66N4Q2cq/N\n"\
"MWPf98kYBYoLaeEOhEJhLQlKk0pIFCTmtpmUbpoEes2kCUbH7RwczpYko8tlKyoB\n"\
"6Fn6RY4zQQ64KZJI6kQVsjkYpcP/ihnOY6rbds+3yyv+4uPX7Eh9sYZwZMggE19M\n"\
"CkFHkwAjiwqhiiSlUxe20sWmowKBgQDEfx4lxuFzA1PBPeZKGVBTxYPQf+DSLCre\n"\
"ZFg3ZmrxbCjRq1O7Lra4FXWD3dmRq7NDk79JofoW50yD8wD7I0B7opdDfXD2idO8\n"\
"0dBnWUKDr2CAXyoLEINce9kJPbx4kFBQRN9PiGF7VkDQxeQ3kfS8CvcErpTKCOdy\n"\
"5wOwBTwJdwKBgDiTFTeGeDv5nVoVbS67tDao7XKchJvqd9q3WGiXikeELJyuTDqE\n"\
"zW22pTwMF+m3UEAxcxVCrhMvhkUzNAkANHaOatuFHzj7lyqhO5QPbh4J3FMR0X9X\n"\
"V8VWRSg+jA/SECP9koOl6zlzd5Tee0tW1pA7QpryXscs6IEhb3ns5R2JAoGAIkzO\n"\
"RmnhEOKTzDex611f2D+yMsMfy5BKK2f4vjLymBH5TiBKDXKqEpgsW0huoi8Gq9Uu\n"\
"nvvXXAgkIyRYF36f0vUe0nkjLuYAQAWgC2pZYgNLJR13iVbol0xHJoXQUHtgiaJ8\n"\
"GLYFzjHQPqFMpSalQe3oELko39uOC1CoJCHFySECgYBeycUnRBikCO2n8DNhY4Eg\n"\
"9Y3oxcssRt6ea5BZwgW2eAYi7/XqKkmxoSoOykUt3MJx9+EkkrL17bxFSpkj1tvL\n"\
"qvxn7egtsKjjgGNAxwXC4MwCvhveyUQQxtQb8AqGrGqo4jEEN0L15cnP38i2x1Uo\n"\
"muhfskWf4MABV0yTUaKcGg==\n"\
"-----END PRIVATE KEY-----\n"
def get_my_ip():
s1 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s1.connect(("8.8.8.8", 80))
my_ip = s1.getsockname()[0]
s1.close()
return my_ip
def get_server_status(host_ip, port):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_status = sock.connect_ex((host_ip, port))
sock.close()
if server_status == 0:
return True
return False
def create_file(server_file, file_data):
with open(server_file, "w+") as file:
file.write(file_data)
def get_ca_cert(ota_image_dir):
os.chdir(ota_image_dir)
server_file = os.path.join(ota_image_dir, "server_cert.pem")
create_file(server_file, server_cert)
key_file = os.path.join(ota_image_dir, "server_key.pem")
create_file(key_file, server_key)
return server_file, key_file
def start_https_server(ota_image_dir, server_ip, server_port):
server_file, key_file = get_ca_cert(ota_image_dir)
httpd = BaseHTTPServer.HTTPServer((server_ip, server_port),
SimpleHTTPServer.SimpleHTTPRequestHandler)
httpd.socket = ssl.wrap_socket(httpd.socket,
keyfile=key_file,
certfile=server_file, server_side=True)
httpd.serve_forever()
def start_chunked_server(ota_image_dir, server_port):
server_file, key_file = get_ca_cert(ota_image_dir)
chunked_server = subprocess.Popen(["openssl", "s_server", "-WWW", "-key", key_file, "-cert", server_file, "-port", str(server_port)])
return chunked_server
def redirect_handler_factory(url):
"""
Returns a request handler class that redirects to supplied `url`
"""
class RedirectHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
def do_GET(self):
print("Sending resp, URL: " + url)
self.send_response(301)
self.send_header('Location', url)
self.end_headers()
return RedirectHandler
def start_redirect_server(ota_image_dir, server_ip, server_port, redirection_port):
os.chdir(ota_image_dir)
server_file, key_file = get_ca_cert(ota_image_dir)
redirectHandler = redirect_handler_factory("https://" + server_ip + ":" + str(redirection_port) + "/advanced_https_ota.bin")
httpd = BaseHTTPServer.HTTPServer((server_ip, server_port),
redirectHandler)
httpd.socket = ssl.wrap_socket(httpd.socket,
keyfile=key_file,
certfile=server_file, server_side=True)
httpd.serve_forever()
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_advanced_https_ota_example(env, extra_data):
"""
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
2. Fetch OTA image over HTTPS
3. Reboot with the new OTA image
"""
dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
# Number of iterations to validate OTA
iterations = 3
server_port = 8001
# File to be downloaded. This file is generated after compilation
bin_name = "advanced_https_ota.bin"
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, bin_name)
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("advanced_https_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
if (get_server_status(host_ip, server_port) is False):
thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, server_port))
thread1.daemon = True
thread1.start()
dut1.start_app()
for i in range(iterations):
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
thread1.close()
dut1.expect("Starting Advanced OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":" + str(server_port) + "/" + bin_name))
dut1.write("https://" + host_ip + ":" + str(server_port) + "/" + bin_name)
dut1.expect("Loaded app from partition at offset", timeout=60)
dut1.expect("Starting Advanced OTA example", timeout=30)
dut1.reset()
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_advanced_https_ota_example_truncated_bin(env, extra_data):
"""
Working of OTA if binary file is truncated is validated in this test case.
Application should return with error message in this case.
steps: |
1. join AP
2. Generate truncated binary file
3. Fetch OTA image over HTTPS
4. Check working of code if bin is truncated
"""
dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
server_port = 8001
# Original binary file generated after compilation
bin_name = "advanced_https_ota.bin"
# Truncated binary file to be generated from original binary file
truncated_bin_name = "truncated.bin"
# Size of truncated file to be grnerated. This value can range from 288 bytes (Image header size) to size of original binary file
# truncated_bin_size is set to 64000 to reduce consumed by the test case
truncated_bin_size = 64000
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, bin_name)
f = open(binary_file, "r+")
fo = open(os.path.join(dut1.app.binary_path, truncated_bin_name), "w+")
fo.write(f.read(truncated_bin_size))
fo.close()
f.close()
binary_file = os.path.join(dut1.app.binary_path, truncated_bin_name)
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("advanced_https_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
if (get_server_status(host_ip, server_port) is False):
thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, server_port))
thread1.daemon = True
thread1.start()
dut1.start_app()
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
dut1.expect("Starting Advanced OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":" + str(server_port) + "/" + truncated_bin_name))
dut1.write("https://" + host_ip + ":" + str(server_port) + "/" + truncated_bin_name)
dut1.expect("Image validation failed, image is corrupted", timeout=30)
os.remove(binary_file)
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_advanced_https_ota_example_truncated_header(env, extra_data):
"""
Working of OTA if headers of binary file are truncated is vaildated in this test case.
Application should return with error message in this case.
steps: |
1. join AP
2. Generate binary file with truncated headers
3. Fetch OTA image over HTTPS
4. Check working of code if headers are not sent completely
"""
dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
server_port = 8001
# Original binary file generated after compilation
bin_name = "advanced_https_ota.bin"
# Truncated binary file to be generated from original binary file
truncated_bin_name = "truncated_header.bin"
# Size of truncated file to be grnerated. This value should be less than 288 bytes (Image header size)
truncated_bin_size = 180
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, bin_name)
f = open(binary_file, "r+")
fo = open(os.path.join(dut1.app.binary_path, truncated_bin_name), "w+")
fo.write(f.read(truncated_bin_size))
fo.close()
f.close()
binary_file = os.path.join(dut1.app.binary_path, truncated_bin_name)
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("advanced_https_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
if (get_server_status(host_ip, server_port) is False):
thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, server_port))
thread1.daemon = True
thread1.start()
dut1.start_app()
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
dut1.expect("Starting Advanced OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":" + str(server_port) + "/" + truncated_bin_name))
dut1.write("https://" + host_ip + ":" + str(server_port) + "/" + truncated_bin_name)
dut1.expect("advanced_https_ota_example: esp_https_ota_read_img_desc failed", timeout=30)
os.remove(binary_file)
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_advanced_https_ota_example_random(env, extra_data):
"""
Working of OTA if random data is added in binary file are validated in this test case.
Magic byte verification should fail in this case.
steps: |
1. join AP
2. Generate random binary image
3. Fetch OTA image over HTTPS
4. Check working of code for random binary file
"""
dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
server_port = 8001
# Random binary file to be generated
random_bin_name = "random.bin"
# Size of random binary file. 32000 is choosen, to reduce the time required to run the test-case
random_bin_size = 32000
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, random_bin_name)
fo = open(binary_file, "w+")
# 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.
fo.write(str(0))
for i in range(random_bin_size - 1):
fo.write(str(random.randrange(0,255,1)))
fo.close()
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("advanced_https_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
if (get_server_status(host_ip, server_port) is False):
thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, server_port))
thread1.daemon = True
thread1.start()
dut1.start_app()
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
dut1.expect("Starting Advanced OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":" + str(server_port) + "/" + random_bin_name))
dut1.write("https://" + host_ip + ":" + str(server_port) + "/" + random_bin_name)
dut1.expect("esp_ota_ops: OTA image has invalid magic byte", timeout=10)
os.remove(binary_file)
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_advanced_https_ota_example_chunked(env, extra_data):
"""
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
2. Fetch OTA image over HTTPS
3. Reboot with the new OTA image
"""
dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
# File to be downloaded. This file is generated after compilation
bin_name = "advanced_https_ota.bin"
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, bin_name)
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("advanced_https_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
chunked_server = start_chunked_server(dut1.app.binary_path, 8070)
dut1.start_app()
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
dut1.expect("Starting Advanced OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":8070/" + bin_name))
dut1.write("https://" + host_ip + ":8070/" + bin_name)
dut1.expect("Loaded app from partition at offset", timeout=60)
dut1.expect("Starting Advanced OTA example", timeout=30)
chunked_server.kill()
os.remove(os.path.join(dut1.app.binary_path, "server_cert.pem"))
os.remove(os.path.join(dut1.app.binary_path, "server_key.pem"))
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_advanced_https_ota_example_redirect_url(env, extra_data):
"""
This is a positive test case, which starts a server and a redirection server.
Redirection server redirects http_request to different port
Number of iterations can be specified in variable iterations.
steps: |
1. join AP
2. Fetch OTA image over HTTPS
3. Reboot with the new OTA image
"""
dut1 = env.get_dut("advanced_https_ota_example", "examples/system/ota/advanced_https_ota")
server_port = 8001
# Port to which the request should be redirecetd
redirection_server_port = 8081
# File to be downloaded. This file is generated after compilation
bin_name = "advanced_https_ota.bin"
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, bin_name)
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("advanced_https_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("advanced_https_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
if (get_server_status(host_ip, server_port) is False):
thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, server_port))
thread1.daemon = True
thread1.start()
thread2 = Thread(target=start_redirect_server, args=(dut1.app.binary_path, host_ip, redirection_server_port, server_port))
thread2.daemon = True
thread2.start()
dut1.start_app()
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
thread1.close()
thread2.close()
dut1.expect("Starting Advanced OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":" + str(redirection_server_port) + "/" + bin_name))
dut1.write("https://" + host_ip + ":" + str(redirection_server_port) + "/" + bin_name)
dut1.expect("Loaded app from partition at offset", timeout=60)
dut1.expect("Starting Advanced OTA example", timeout=30)
dut1.reset()
if __name__ == '__main__':
test_examples_protocol_advanced_https_ota_example()
test_examples_protocol_advanced_https_ota_example_chunked()
test_examples_protocol_advanced_https_ota_example_redirect_url()
test_examples_protocol_advanced_https_ota_example_truncated_bin()
test_examples_protocol_advanced_https_ota_example_truncated_header()
test_examples_protocol_advanced_https_ota_example_random()

22
examples/system/ota/advanced_https_ota/main/Kconfig.projbuild
View File

@ -6,4 +6,26 @@ menu "Example Configuration"
help
URL of server which hosts the firmware image.
config EXAMPLE_FIRMWARE_UPGRADE_URL_FROM_STDIN
bool
default y if EXAMPLE_FIRMWARE_UPGRADE_URL = "FROM_STDIN"
config EXAMPLE_SKIP_COMMON_NAME_CHECK
bool "Skip server certificate CN fieldcheck"
default n
help
This allows you to skip the validation of OTA server certificate CN field.
config EXAMPLE_SKIP_VERSION_CHECK
bool "Skip firmware version check"
default n
help
This allows you to skip the firmware version check.
config EXAMPLE_OTA_RECV_TIMEOUT
int "OTA Receive Timeout"
default 5000
help
Maximum time for reception
endmenu

50
examples/system/ota/advanced_https_ota/main/advanced_https_ota_example.c
View File

@ -21,10 +21,16 @@
#include "nvs_flash.h"
#include "protocol_examples_common.h"
#if CONFIG_EXAMPLE_CONNECT_WIFI
#include "esp_wifi.h"
#endif
static const char *TAG = "advanced_https_ota_example";
extern const uint8_t server_cert_pem_start[] asm("_binary_ca_cert_pem_start");
extern const uint8_t server_cert_pem_end[] asm("_binary_ca_cert_pem_end");
#define OTA_URL_SIZE 256
static esp_err_t validate_image_header(esp_app_desc_t *new_app_info)
{
if (new_app_info == NULL) {
@ -37,10 +43,13 @@ static esp_err_t validate_image_header(esp_app_desc_t *new_app_info)
ESP_LOGI(TAG, "Running firmware version: %s", running_app_info.version);
}
#ifndef CONFIG_EXAMPLE_SKIP_VERSION_CHECK
if (memcmp(new_app_info->version, running_app_info.version, sizeof(new_app_info->version)) == 0) {
ESP_LOGW(TAG, "Current running version is the same as a new. We will not continue the update.");
return ESP_FAIL;
}
#endif
return ESP_OK;
}
@ -52,8 +61,27 @@ void advanced_ota_example_task(void *pvParameter)
esp_http_client_config_t config = {
.url = CONFIG_EXAMPLE_FIRMWARE_UPGRADE_URL,
.cert_pem = (char *)server_cert_pem_start,
.timeout_ms = CONFIG_EXAMPLE_OTA_RECV_TIMEOUT,
};
#ifdef CONFIG_EXAMPLE_FIRMWARE_UPGRADE_URL_FROM_STDIN
char url_buf[OTA_URL_SIZE];
if (strcmp(config.url, "FROM_STDIN") == 0) {
example_configure_stdin_stdout();
fgets(url_buf, OTA_URL_SIZE, stdin);
int len = strlen(url_buf);
url_buf[len - 1] = '\0';
config.url = url_buf;
} else {
ESP_LOGE(TAG, "Configuration mismatch: wrong firmware upgrade image url");
abort();
}
#endif
#ifdef CONFIG_EXAMPLE_SKIP_COMMON_NAME_CHECK
config.skip_cert_common_name_check = true;
#endif
esp_https_ota_config_t ota_config = {
.http_config = &config,
};
@ -88,6 +116,11 @@ void advanced_ota_example_task(void *pvParameter)
ESP_LOGD(TAG, "Image bytes read: %d", esp_https_ota_get_image_len_read(https_ota_handle));
}
if (esp_https_ota_is_complete_data_received(https_ota_handle) != true) {
// the OTA image was not completely received and user can customise the response to this situation.
ESP_LOGE(TAG, "Complete data was not received.");
}
ota_end:
ota_finish_err = esp_https_ota_finish(https_ota_handle);
if ((err == ESP_OK) && (ota_finish_err == ESP_OK)) {
@ -95,11 +128,11 @@ ota_end:
vTaskDelay(1000 / portTICK_PERIOD_MS);
esp_restart();
} else {
ESP_LOGE(TAG, "ESP_HTTPS_OTA upgrade failed...");
}
while (1) {
vTaskDelay(1000 / portTICK_PERIOD_MS);
if (ota_finish_err == ESP_ERR_OTA_VALIDATE_FAILED) {
ESP_LOGE(TAG, "Image validation failed, image is corrupted");
}
ESP_LOGE(TAG, "ESP_HTTPS_OTA upgrade failed %d", ota_finish_err);
vTaskDelete(NULL);
}
}
@ -126,6 +159,13 @@ void app_main()
*/
ESP_ERROR_CHECK(example_connect());
#if CONFIG_EXAMPLE_CONNECT_WIFI
/* Ensure to disable any WiFi power save mode, this allows best throughput
* and hence timings for overall OTA operation.
*/
esp_wifi_set_ps(WIFI_PS_NONE);
#endif // CONFIG_EXAMPLE_CONNECT_WIFI
xTaskCreate(&advanced_ota_example_task, "advanced_ota_example_task", 1024 * 8, NULL, 5, NULL);
}

4
examples/system/ota/advanced_https_ota/sdkconfig.ci Normal file
View File

@ -0,0 +1,4 @@
CONFIG_EXAMPLE_FIRMWARE_UPGRADE_URL="FROM_STDIN"
CONFIG_EXAMPLE_SKIP_COMMON_NAME_CHECK=y
CONFIG_EXAMPLE_SKIP_VERSION_CHECK=y
CONFIG_EXAMPLE_OTA_RECV_TIMEOUT=2000

21
examples/system/ota/advanced_https_ota/server_certs/ca_cert.pem
View File

@ -0,0 +1,21 @@
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

337
examples/system/ota/native_ota_example/example_test.py Normal file
View File

@ -0,0 +1,337 @@
import re
import os
import socket
import BaseHTTPServer
import SimpleHTTPServer
from threading import Thread
import ssl
from tiny_test_fw import DUT
import ttfw_idf
import random
import subprocess
server_cert = "-----BEGIN CERTIFICATE-----\n" \
"MIIDXTCCAkWgAwIBAgIJAP4LF7E72HakMA0GCSqGSIb3DQEBCwUAMEUxCzAJBgNV\n"\
"BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX\n"\
"aWRnaXRzIFB0eSBMdGQwHhcNMTkwNjA3MDk1OTE2WhcNMjAwNjA2MDk1OTE2WjBF\n"\
"MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50\n"\
"ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB\n"\
"CgKCAQEAlzfCyv3mIv7TlLkObxunKfCdrJ/zgdANrsx0RBtpEPhV560hWJ0fEin0\n"\
"nIOMpJSiF9E6QsPdr6Q+eogH4XnOMU9JE+iG743N1dPfGEzJvRlyct/Ck8SswKPC\n"\
"9+VXsnOdZmUw9y/xtANbURA/TspvPzz3Avv382ffffrJGh7ooOmaZSCZFlSYHLZA\n"\
"w/XlRr0sSRbLpFGY0gXjaAV8iHHiPDYLy4kZOepjV9U51xi+IGsL4w75zuMgsHyF\n"\
"3nJeGYHgtGVBrkL0ZKG5udY0wcBjysjubDJC4iSlNiq2HD3fhs7j6CZddV2v845M\n"\
"lVKNxP0kO4Uj4D8r+5USWC8JKfAwxQIDAQABo1AwTjAdBgNVHQ4EFgQU6OE7ssfY\n"\
"IIPTDThiUoofUpsD5NwwHwYDVR0jBBgwFoAU6OE7ssfYIIPTDThiUoofUpsD5Nww\n"\
"DAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAXIlHS/FJWfmcinUAxyBd\n"\
"/xd5Lu8ykeru6oaUCci+Vk9lyoMMES7lQ+b/00d5x7AcTawkTil9EWpBTPTOTraA\n"\
"lzJMQhNKmSLk0iIoTtAJtSZgUSpIIozqK6lenxQQDsHbXKU6h+u9H6KZE8YcjsFl\n"\
"6vL7sw9BVotw/VxfgjQ5OSGLgoLrdVT0z5C2qOuwOgz1c7jNiJhtMdwN+cOtnJp2\n"\
"fuBgEYyE3eeuWogvkWoDcIA8r17Ixzkpq2oJsdvZcHZPIZShPKW2SHUsl98KDemu\n"\
"y0pQyExmQUbwKE4vbFb9XuWCcL9XaOHQytyszt2DeD67AipvoBwVU7/LBOvqnsmy\n"\
"hA==\n"\
"-----END CERTIFICATE-----\n"
server_key = "-----BEGIN PRIVATE KEY-----\n"\
"MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCXN8LK/eYi/tOU\n"\
"uQ5vG6cp8J2sn/OB0A2uzHREG2kQ+FXnrSFYnR8SKfScg4yklKIX0TpCw92vpD56\n"\
"iAfhec4xT0kT6Ibvjc3V098YTMm9GXJy38KTxKzAo8L35Veyc51mZTD3L/G0A1tR\n"\
"ED9Oym8/PPcC+/fzZ999+skaHuig6ZplIJkWVJgctkDD9eVGvSxJFsukUZjSBeNo\n"\
"BXyIceI8NgvLiRk56mNX1TnXGL4gawvjDvnO4yCwfIXecl4ZgeC0ZUGuQvRkobm5\n"\
"1jTBwGPKyO5sMkLiJKU2KrYcPd+GzuPoJl11Xa/zjkyVUo3E/SQ7hSPgPyv7lRJY\n"\
"Lwkp8DDFAgMBAAECggEAfBhAfQE7mUByNbxgAgI5fot9eaqR1Nf+QpJ6X2H3KPwC\n"\
"02sa0HOwieFwYfj6tB1doBoNq7i89mTc+QUlIn4pHgIowHO0OGawomeKz5BEhjCZ\n"\
"4XeLYGSoODary2+kNkf2xY8JTfFEcyvGBpJEwc4S2VyYgRRx+IgnumTSH+N5mIKZ\n"\
"SXWNdZIuHEmkwod+rPRXs6/r+PH0eVW6WfpINEbr4zVAGXJx2zXQwd2cuV1GTJWh\n"\
"cPVOXLu+XJ9im9B370cYN6GqUnR3fui13urYbnWnEf3syvoH/zuZkyrVChauoFf8\n"\
"8EGb74/HhXK7Q2s8NRakx2c7OxQifCbcy03liUMmyQKBgQDFAob5B/66N4Q2cq/N\n"\
"MWPf98kYBYoLaeEOhEJhLQlKk0pIFCTmtpmUbpoEes2kCUbH7RwczpYko8tlKyoB\n"\
"6Fn6RY4zQQ64KZJI6kQVsjkYpcP/ihnOY6rbds+3yyv+4uPX7Eh9sYZwZMggE19M\n"\
"CkFHkwAjiwqhiiSlUxe20sWmowKBgQDEfx4lxuFzA1PBPeZKGVBTxYPQf+DSLCre\n"\
"ZFg3ZmrxbCjRq1O7Lra4FXWD3dmRq7NDk79JofoW50yD8wD7I0B7opdDfXD2idO8\n"\
"0dBnWUKDr2CAXyoLEINce9kJPbx4kFBQRN9PiGF7VkDQxeQ3kfS8CvcErpTKCOdy\n"\
"5wOwBTwJdwKBgDiTFTeGeDv5nVoVbS67tDao7XKchJvqd9q3WGiXikeELJyuTDqE\n"\
"zW22pTwMF+m3UEAxcxVCrhMvhkUzNAkANHaOatuFHzj7lyqhO5QPbh4J3FMR0X9X\n"\
"V8VWRSg+jA/SECP9koOl6zlzd5Tee0tW1pA7QpryXscs6IEhb3ns5R2JAoGAIkzO\n"\
"RmnhEOKTzDex611f2D+yMsMfy5BKK2f4vjLymBH5TiBKDXKqEpgsW0huoi8Gq9Uu\n"\
"nvvXXAgkIyRYF36f0vUe0nkjLuYAQAWgC2pZYgNLJR13iVbol0xHJoXQUHtgiaJ8\n"\
"GLYFzjHQPqFMpSalQe3oELko39uOC1CoJCHFySECgYBeycUnRBikCO2n8DNhY4Eg\n"\
"9Y3oxcssRt6ea5BZwgW2eAYi7/XqKkmxoSoOykUt3MJx9+EkkrL17bxFSpkj1tvL\n"\
"qvxn7egtsKjjgGNAxwXC4MwCvhveyUQQxtQb8AqGrGqo4jEEN0L15cnP38i2x1Uo\n"\
"muhfskWf4MABV0yTUaKcGg==\n"\
"-----END PRIVATE KEY-----\n"
def get_my_ip():
s1 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s1.connect(("8.8.8.8", 80))
my_ip = s1.getsockname()[0]
s1.close()
return my_ip
def start_https_server(ota_image_dir, server_ip, server_port):
os.chdir(ota_image_dir)
server_file = os.path.join(ota_image_dir, "server_cert.pem")
cert_file_handle = open(server_file, "w+")
cert_file_handle.write(server_cert)
cert_file_handle.close()
key_file = os.path.join(ota_image_dir, "server_key.pem")
key_file_handle = open("server_key.pem", "w+")
key_file_handle.write(server_key)
key_file_handle.close()
httpd = BaseHTTPServer.HTTPServer((server_ip, server_port),
SimpleHTTPServer.SimpleHTTPRequestHandler)
httpd.socket = ssl.wrap_socket(httpd.socket,
keyfile=key_file,
certfile=server_file, server_side=True)
httpd.serve_forever()
def start_chunked_server(ota_image_dir, server_port):
os.chdir(ota_image_dir)
server_file = os.path.join(ota_image_dir, "server_cert.pem")
cert_file_handle = open(server_file, "w+")
cert_file_handle.write(server_cert)
cert_file_handle.close()
key_file = os.path.join(ota_image_dir, "server_key.pem")
key_file_handle = open("server_key.pem", "w+")
key_file_handle.write(server_key)
key_file_handle.close()
chunked_server = subprocess.Popen(["openssl", "s_server", "-WWW", "-key", key_file, "-cert", server_file, "-port", str(server_port)])
return chunked_server
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_native_ota_example(env, extra_data):
"""
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
2. Fetch OTA image over HTTPS
3. Reboot with the new OTA image
"""
dut1 = env.get_dut("native_ota_example", "examples/system/ota/native_ota_example")
# No. of times working of application to be validated
iterations = 3
# File to be downloaded. This file is generated after compilation
bin_name = "native_ota.bin"
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, bin_name)
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("native_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("native_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
thread1 = Thread(target=start_https_server, args=(dut1.app.binary_path, host_ip, 8002))
thread1.daemon = True
thread1.start()
dut1.start_app()
for i in range(iterations):
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
thread1.close()
dut1.expect("Starting OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":8002/" + bin_name))
dut1.write("https://" + host_ip + ":8002/" + bin_name)
dut1.expect("Loaded app from partition at offset", timeout=60)
dut1.expect("Starting OTA example", timeout=30)
dut1.reset()
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_native_ota_example_truncated_bin(env, extra_data):
"""
Working of OTA if binary file is truncated is validated in this test case.
Application should return with error message in this case.
steps: |
1. join AP
2. Generate truncated binary file
3. Fetch OTA image over HTTPS
4. Check working of code if bin is truncated
"""
dut1 = env.get_dut("native_ota_example", "examples/system/ota/native_ota_example")
# Original binary file generated after compilation
bin_name = "native_ota.bin"
# Truncated binary file to be generated from original binary file
truncated_bin_name = "truncated.bin"
# Size of truncated file to be grnerated. This value can range from 288 bytes (Image header size) to size of original binary file
# truncated_bin_size is set to 64000 to reduce consumed by the test case
truncated_bin_size = 64000
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, bin_name)
f = open(binary_file, "r+")
fo = open(os.path.join(dut1.app.binary_path, truncated_bin_name), "w+")
fo.write(f.read(truncated_bin_size))
fo.close()
f.close()
binary_file = os.path.join(dut1.app.binary_path, truncated_bin_name)
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("native_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("native_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
dut1.start_app()
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=60)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
dut1.expect("Starting OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":8002/" + truncated_bin_name))
dut1.write("https://" + host_ip + ":8002/" + truncated_bin_name)
dut1.expect("native_ota_example: Image validation failed, image is corrupted", timeout=20)
os.remove(binary_file)
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_native_ota_example_truncated_header(env, extra_data):
"""
Working of OTA if headers of binary file are truncated is vaildated in this test case.
Application should return with error message in this case.
steps: |
1. join AP
2. Generate binary file with truncated headers
3. Fetch OTA image over HTTPS
4. Check working of code if headers are not sent completely
"""
dut1 = env.get_dut("native_ota_example", "examples/system/ota/native_ota_example")
# Original binary file generated after compilation
bin_name = "native_ota.bin"
# Truncated binary file to be generated from original binary file
truncated_bin_name = "truncated_header.bin"
# Size of truncated file to be grnerated. This value should be less than 288 bytes (Image header size)
truncated_bin_size = 180
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, bin_name)
f = open(binary_file, "r+")
fo = open(os.path.join(dut1.app.binary_path, truncated_bin_name), "w+")
fo.write(f.read(truncated_bin_size))
fo.close()
f.close()
binary_file = os.path.join(dut1.app.binary_path, truncated_bin_name)
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("native_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("native_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
dut1.start_app()
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=60)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
dut1.expect("Starting OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":8002/" + truncated_bin_name))
dut1.write("https://" + host_ip + ":8002/" + truncated_bin_name)
dut1.expect("native_ota_example: received package is not fit len", timeout=20)
os.remove(binary_file)
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_native_ota_example_random(env, extra_data):
"""
Working of OTA if random data is added in binary file are validated in this test case.
Magic byte verification should fail in this case.
steps: |
1. join AP
2. Generate random binary image
3. Fetch OTA image over HTTPS
4. Check working of code for random binary file
"""
dut1 = env.get_dut("native_ota_example", "examples/system/ota/native_ota_example")
# Random binary file to be generated
random_bin_name = "random.bin"
# Size of random binary file. 32000 is choosen, to reduce the time required to run the test-case
random_bin_size = 32000
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, random_bin_name)
fo = open(binary_file, "w+")
# 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.
fo.write(str(0))
for i in range(random_bin_size - 1):
fo.write(str(random.randrange(0,255,1)))
fo.close()
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("native_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("native_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
dut1.start_app()
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=60)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
dut1.expect("Starting OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":8002/" + random_bin_name))
dut1.write("https://" + host_ip + ":8002/" + random_bin_name)
dut1.expect("esp_ota_ops: OTA image has invalid magic byte", timeout=20)
os.remove(binary_file)
@ttfw_idf.idf_example_test(env_tag="Example_WIFI")
def test_examples_protocol_native_ota_example_chunked(env, extra_data):
"""
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
2. Fetch OTA image over HTTPS
3. Reboot with the new OTA image
"""
dut1 = env.get_dut("native_ota_example", "examples/system/ota/native_ota_example")
# File to be downloaded. This file is generated after compilation
bin_name = "native_ota.bin"
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, bin_name)
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("native_ota_bin_size", "{}KB".format(bin_size // 1024))
ttfw_idf.check_performance("native_ota_bin_size", bin_size // 1024)
# start test
host_ip = get_my_ip()
chunked_server = start_chunked_server(dut1.app.binary_path, 8070)
dut1.start_app()
dut1.expect("Loaded app from partition at offset", timeout=30)
try:
ip_address = dut1.expect(re.compile(r" sta ip: ([^,]+),"), timeout=30)
print("Connected to AP with IP: {}".format(ip_address))
except DUT.ExpectTimeout:
raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
dut1.expect("Starting OTA example", timeout=30)
print("writing to device: {}".format("https://" + host_ip + ":8070/" + bin_name))
dut1.write("https://" + host_ip + ":8070/" + bin_name)
dut1.expect("Loaded app from partition at offset", timeout=60)
dut1.expect("Starting OTA example", timeout=30)
chunked_server.kill()
os.remove(os.path.join(dut1.app.binary_path, "server_cert.pem"))
os.remove(os.path.join(dut1.app.binary_path, "server_key.pem"))
if __name__ == '__main__':
test_examples_protocol_native_ota_example()
test_examples_protocol_native_ota_example_chunked()
test_examples_protocol_native_ota_example_truncated_bin()
test_examples_protocol_native_ota_example_truncated_header()
test_examples_protocol_native_ota_example_random()

22
examples/system/ota/native_ota_example/main/Kconfig.projbuild
View File

@ -6,6 +6,22 @@ menu "Example Configuration"
help
URL of server which hosts the firmware image.
config EXAMPLE_FIRMWARE_UPGRADE_URL_FROM_STDIN
bool
default y if EXAMPLE_FIRMWARE_UPG_URL = "FROM_STDIN"
config EXAMPLE_SKIP_COMMON_NAME_CHECK
bool "Skip server certificate CN fieldcheck"
default n
help
This allows you to skip the validation of OTA server certificate CN field.
config EXAMPLE_SKIP_VERSION_CHECK
bool "Skip firmware version check"
default n
help
This allows you to skip the firmware version check.
config EXAMPLE_GPIO_DIAGNOSTIC
int "Number of the GPIO input for diagnostic"
range 0 39
@ -17,4 +33,10 @@ menu "Example Configuration"
`Diagnostics (5 sec)...` which will be on first boot.
If GPIO is not pulled low then the operable of the app will be confirmed.
config EXAMPLE_OTA_RECV_TIMEOUT
int "OTA Receive Timeout"
default 5000
help
Maximum time for reception
endmenu

66
examples/system/ota/native_ota_example/main/native_ota_example.c
View File

@ -21,6 +21,11 @@
#include "nvs_flash.h"
#include "driver/gpio.h"
#include "protocol_examples_common.h"
#include "errno.h"
#if CONFIG_EXAMPLE_CONNECT_WIFI
#include "esp_wifi.h"
#endif
#define BUFFSIZE 1024
#define HASH_LEN 32 /* SHA-256 digest length */
@ -31,6 +36,8 @@ static char ota_write_data[BUFFSIZE + 1] = { 0 };
extern const uint8_t server_cert_pem_start[] asm("_binary_ca_cert_pem_start");
extern const uint8_t server_cert_pem_end[] asm("_binary_ca_cert_pem_end");
#define OTA_URL_SIZE 256
static void http_cleanup(esp_http_client_handle_t client)
{
esp_http_client_close(client);
@ -90,7 +97,27 @@ static void ota_example_task(void *pvParameter)
esp_http_client_config_t config = {
.url = CONFIG_EXAMPLE_FIRMWARE_UPG_URL,
.cert_pem = (char *)server_cert_pem_start,
.timeout_ms = CONFIG_EXAMPLE_OTA_RECV_TIMEOUT,
};
#ifdef CONFIG_EXAMPLE_FIRMWARE_UPGRADE_URL_FROM_STDIN
char url_buf[OTA_URL_SIZE];
if (strcmp(config.url, "FROM_STDIN") == 0) {
example_configure_stdin_stdout();
fgets(url_buf, OTA_URL_SIZE, stdin);
int len = strlen(url_buf);
url_buf[len - 1] = '\0';
config.url = url_buf;
} else {
ESP_LOGE(TAG, "Configuration mismatch: wrong firmware upgrade image url");
abort();
}
#endif
#ifdef CONFIG_EXAMPLE_SKIP_COMMON_NAME_CHECK
config.skip_cert_common_name_check = true;
#endif
esp_http_client_handle_t client = esp_http_client_init(&config);
if (client == NULL) {
ESP_LOGE(TAG, "Failed to initialise HTTP connection");
@ -147,12 +174,13 @@ static void ota_example_task(void *pvParameter)
infinite_loop();
}
}
#ifndef CONFIG_EXAMPLE_SKIP_VERSION_CHECK
if (memcmp(new_app_info.version, running_app_info.version, sizeof(new_app_info.version)) == 0) {
ESP_LOGW(TAG, "Current running version is the same as a new. We will not continue the update.");
http_cleanup(client);
infinite_loop();
}
#endif
image_header_was_checked = true;
@ -177,14 +205,33 @@ static void ota_example_task(void *pvParameter)
binary_file_length += data_read;
ESP_LOGD(TAG, "Written image length %d", binary_file_length);
} else if (data_read == 0) {
ESP_LOGI(TAG, "Connection closed,all data received");
break;
/*
* As esp_http_client_read never returns negative error code, we rely on
* `errno` to check for underlying transport connectivity closure if any
*/
if (errno == ECONNRESET || errno == ENOTCONN) {
ESP_LOGE(TAG, "Connection closed, errno = %d", errno);
break;
}
if (esp_http_client_is_complete_data_received(client) == true) {
ESP_LOGI(TAG, "Connection closed");
break;
}
}
}
ESP_LOGI(TAG, "Total Write binary data length : %d", binary_file_length);
ESP_LOGI(TAG, "Total Write binary data length: %d", binary_file_length);
if (esp_http_client_is_complete_data_received(client) != true) {
ESP_LOGE(TAG, "Error in receiving complete file");
http_cleanup(client);
task_fatal_error();
}
if (esp_ota_end(update_handle) != ESP_OK) {
ESP_LOGE(TAG, "esp_ota_end failed!");
err = esp_ota_end(update_handle);
if (err != ESP_OK) {
if (err == ESP_ERR_OTA_VALIDATE_FAILED) {
ESP_LOGE(TAG, "Image validation failed, image is corrupted");
}
ESP_LOGE(TAG, "esp_ota_end failed (%s)!", esp_err_to_name(err));
http_cleanup(client);
task_fatal_error();
}
@ -278,5 +325,12 @@ void app_main()
*/
ESP_ERROR_CHECK(example_connect());
#if CONFIG_EXAMPLE_CONNECT_WIFI
/* Ensure to disable any WiFi power save mode, this allows best throughput
* and hence timings for overall OTA operation.
*/
esp_wifi_set_ps(WIFI_PS_NONE);
#endif // CONFIG_EXAMPLE_CONNECT_WIFI
xTaskCreate(&ota_example_task, "ota_example_task", 8192, NULL, 5, NULL);
}

4
examples/system/ota/native_ota_example/sdkconfig.ci Normal file
View File

@ -0,0 +1,4 @@
CONFIG_EXAMPLE_FIRMWARE_UPG_URL="FROM_STDIN"
CONFIG_EXAMPLE_SKIP_COMMON_NAME_CHECK=y
CONFIG_EXAMPLE_SKIP_VERSION_CHECK=y
CONFIG_EXAMPLE_OTA_RECV_TIMEOUT=2000

21
examples/system/ota/native_ota_example/server_certs/ca_cert.pem
View File

@ -0,0 +1,21 @@
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

11
examples/system/ota/simple_ota_example/main/simple_ota_example.c
View File

@ -22,6 +22,10 @@
#include "nvs_flash.h"
#include "protocol_examples_common.h"
#if CONFIG_EXAMPLE_CONNECT_WIFI
#include "esp_wifi.h"
#endif
static const char *TAG = "simple_ota_example";
extern const uint8_t server_cert_pem_start[] asm("_binary_ca_cert_pem_start");
extern const uint8_t server_cert_pem_end[] asm("_binary_ca_cert_pem_end");
@ -118,5 +122,12 @@ void app_main()
*/
ESP_ERROR_CHECK(example_connect());
#if CONFIG_EXAMPLE_CONNECT_WIFI
/* Ensure to disable any WiFi power save mode, this allows best throughput
* and hence timings for overall OTA operation.
*/
esp_wifi_set_ps(WIFI_PS_NONE);
#endif // CONFIG_EXAMPLE_CONNECT_WIFI
xTaskCreate(&simple_ota_example_task, "ota_example_task", 8192, NULL, 5, NULL);
}

2
tools/ci/config/target-test.yml
View File

@ -147,7 +147,7 @@ test_weekend_network:
example_test_001:
extends: .example_test_template
parallel: 2
parallel: 3
tags:
- ESP32
- Example_WIFI