esp-idf/tools/test_apps/protocols/openssl/app_test.py

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from __future__ import print_function
from __future__ import unicode_literals
import re
import os
import socket
from threading import Thread, Event
import ttfw_idf
import ssl
SERVER_CERTS_DIR = "server_certs/"
def _path(f):
return os.path.join(os.path.dirname(os.path.realpath(__file__)),f)
def get_my_ip():
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
# doesn't even have to be reachable
s.connect(('10.255.255.255', 1))
IP = s.getsockname()[0]
except socket.error:
IP = '127.0.0.1'
finally:
s.close()
return IP
# Simple TLS server
class TlsServer:
def __init__(self, port, negotiated_protocol=ssl.PROTOCOL_TLSv1):
self.port = port
self.socket = socket.socket()
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.socket.settimeout(20.0)
self.shutdown = Event()
self.negotiated_protocol = negotiated_protocol
self.conn = None
self.ssl_error = None
self.server_thread = None
def __enter__(self):
try:
self.socket.bind(('', self.port))
except socket.error as e:
print("Bind failed:{}".format(e))
raise
self.socket.listen(1)
self.server_thread = Thread(target=self.run_server)
self.server_thread.start()
return self
def __exit__(self, exc_type, exc_value, traceback):
self.shutdown.set()
self.server_thread.join()
self.socket.close()
if (self.conn is not None):
self.conn.close()
def run_server(self):
context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
context.load_verify_locations(cafile=_path(SERVER_CERTS_DIR + "ca.crt"))
context.load_cert_chain(certfile=_path(SERVER_CERTS_DIR + "server.crt"), keyfile=_path(SERVER_CERTS_DIR + "server.key"))
context.verify_flags = self.negotiated_protocol
self.socket = context.wrap_socket(self.socket, server_side=True)
try:
print("Listening socket")
self.conn, address = self.socket.accept() # accept new connection
self.socket.settimeout(20.0)
print(" - connection from: {}".format(address))
except ssl.SSLError as e:
self.conn = None
self.ssl_error = str(e)
print(" - SSLError: {}".format(str(e)))
@ttfw_idf.idf_custom_test(env_tag="Example_WIFI", group="test-apps")
def test_app_esp_openssl(env, extra_data):
dut1 = env.get_dut("openssl_connect_test", "tools/test_apps/protocols/openssl", dut_class=ttfw_idf.ESP32DUT)
# check and log bin size
binary_file = os.path.join(dut1.app.binary_path, "openssl_connect_test.bin")
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance("openssl_connect_test_bin_size", "{}KB".format(bin_size // 1024))
dut1.start_app()
esp_ip = dut1.expect(re.compile(r" IPv4 address: ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)"), timeout=30)
print("Got IP={}".format(esp_ip[0]))
ip = get_my_ip()
server_port = 2222
def start_case(case, desc, negotiated_protocol, result):
with TlsServer(server_port, negotiated_protocol=negotiated_protocol):
print("Starting {}: {}".format(case, desc))
dut1.write("conn {} {} {}".format(ip, server_port, case))
dut1.expect(re.compile(result), timeout=10)
return case
# start test cases
start_case(
case="CONFIG_TLSV1_1_CONNECT_WRONG_CERT_VERIFY_NONE",
desc="Connect with verify_none mode using wrong certs",
negotiated_protocol=ssl.PROTOCOL_TLSv1_1,
result="SSL Connection Succeed")
start_case(
case="CONFIG_TLSV1_1_CONNECT_WRONG_CERT_VERIFY_PEER",
desc="Connect with verify_peer mode using wrong certs",
negotiated_protocol=ssl.PROTOCOL_TLSv1_1,
result="SSL Connection Failed")
start_case(
case="CONFIG_TLSV1_2_CONNECT_WRONG_CERT_VERIFY_NONE",
desc="Connect with verify_none mode using wrong certs",
negotiated_protocol=ssl.PROTOCOL_TLSv1_2,
result="SSL Connection Succeed")
start_case(
case="CONFIG_TLSV1_1_CONNECT_WRONG_CERT_VERIFY_PEER",
desc="Connect with verify_peer mode using wrong certs",
negotiated_protocol=ssl.PROTOCOL_TLSv1_2,
result="SSL Connection Failed")
if __name__ == '__main__':
test_app_esp_openssl()