301 lines
8.3 KiB
Python
301 lines
8.3 KiB
Python
import ssl
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import subprocess
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import pytest
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from unit.applications.tls import ApplicationTLS
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from unit.option import option
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prerequisites = {'modules': {'openssl': 'any'}}
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client = ApplicationTLS()
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@pytest.fixture(autouse=True)
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def setup_method_fixture():
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assert 'success' in client.conf(
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{
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"listeners": {"*:8080": {"pass": "routes"}},
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"routes": [{"action": {"return": 200}}],
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"applications": {},
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}
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)
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def add_tls(cert='default'):
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assert 'success' in client.conf(
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{"pass": "routes", "tls": {"certificate": cert}},
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'listeners/*:8080',
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)
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def check_cert(host, expect, ctx):
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resp, sock = client.get_ssl(
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headers={
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'Host': host,
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'Content-Length': '0',
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'Connection': 'close',
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},
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start=True,
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context=ctx,
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)
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assert resp['status'] == 200
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assert sock.getpeercert()['subject'][0][0][1] == expect
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def config_bundles(bundles):
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client.certificate('root', False)
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for b in bundles:
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client.openssl_conf(rewrite=True, alt_names=bundles[b]['alt_names'])
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subj = f'/CN={bundles[b]["subj"]}/' if 'subj' in bundles[b] else '/'
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subprocess.check_output(
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[
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'openssl',
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'req',
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'-new',
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'-subj',
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subj,
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'-config',
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f'{option.temp_dir}/openssl.conf',
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'-out',
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f'{option.temp_dir}/{b}.csr',
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'-keyout',
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f'{option.temp_dir}/{b}.key',
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],
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stderr=subprocess.STDOUT,
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)
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generate_ca_conf()
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for b in bundles:
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subj = f'/CN={bundles[b]["subj"]}/' if 'subj' in bundles[b] else '/'
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subprocess.check_output(
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[
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'openssl',
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'ca',
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'-batch',
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'-subj',
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subj,
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'-config',
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f'{option.temp_dir}/ca.conf',
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'-keyfile',
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f'{option.temp_dir}/root.key',
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'-cert',
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f'{option.temp_dir}/root.crt',
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'-in',
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f'{option.temp_dir}/{b}.csr',
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'-out',
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f'{option.temp_dir}/{b}.crt',
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],
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stderr=subprocess.STDOUT,
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)
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load_certs(bundles)
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context = ssl.create_default_context()
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context.check_hostname = False
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context.verify_mode = ssl.CERT_REQUIRED
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context.load_verify_locations(f'{option.temp_dir}/root.crt')
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return context
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def generate_ca_conf():
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with open(f'{option.temp_dir}/ca.conf', 'w', encoding='utf-8') as f:
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f.write(
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f"""[ ca ]
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default_ca = myca
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[ myca ]
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new_certs_dir = {option.temp_dir}
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database = {option.temp_dir}/certindex
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default_md = sha256
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policy = myca_policy
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serial = {option.temp_dir}/certserial
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default_days = 1
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x509_extensions = myca_extensions
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copy_extensions = copy
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[ myca_policy ]
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commonName = optional
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[ myca_extensions ]
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basicConstraints = critical,CA:TRUE"""
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)
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with open(f'{option.temp_dir}/certserial', 'w', encoding='utf-8') as f:
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f.write('1000')
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with open(f'{option.temp_dir}/certindex', 'w', encoding='utf-8') as f:
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f.write('')
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def load_certs(bundles):
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for bname, bvalue in bundles.items():
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assert 'success' in client.certificate_load(
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bname, bname
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), f'certificate {bvalue["subj"]} upload'
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def remove_tls():
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assert 'success' in client.conf({"pass": "routes"}, 'listeners/*:8080')
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def test_tls_sni():
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bundles = {
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"default": {"subj": "default", "alt_names": ["default"]},
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"localhost.com": {
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"subj": "localhost.com",
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"alt_names": ["alt1.localhost.com"],
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},
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"example.com": {
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"subj": "example.com",
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"alt_names": ["alt1.example.com", "alt2.example.com"],
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},
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}
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ctx = config_bundles(bundles)
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add_tls(["default", "localhost.com", "example.com"])
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check_cert('alt1.localhost.com', bundles['localhost.com']['subj'], ctx)
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check_cert('alt2.example.com', bundles['example.com']['subj'], ctx)
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check_cert('blah', bundles['default']['subj'], ctx)
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def test_tls_sni_no_hostname():
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bundles = {
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"localhost.com": {"subj": "localhost.com", "alt_names": []},
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"example.com": {
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"subj": "example.com",
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"alt_names": ["example.com"],
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},
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}
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ctx = config_bundles(bundles)
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add_tls(["localhost.com", "example.com"])
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resp, sock = client.get_ssl(
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headers={'Content-Length': '0', 'Connection': 'close'},
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start=True,
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context=ctx,
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)
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assert resp['status'] == 200
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assert (
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sock.getpeercert()['subject'][0][0][1]
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== bundles['localhost.com']['subj']
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)
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def test_tls_sni_upper_case():
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bundles = {
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"localhost.com": {"subj": "LOCALHOST.COM", "alt_names": []},
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"example.com": {
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"subj": "example.com",
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"alt_names": ["ALT1.EXAMPLE.COM", "*.ALT2.EXAMPLE.COM"],
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},
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}
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ctx = config_bundles(bundles)
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add_tls(["localhost.com", "example.com"])
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check_cert('localhost.com', bundles['localhost.com']['subj'], ctx)
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check_cert('LOCALHOST.COM', bundles['localhost.com']['subj'], ctx)
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check_cert('EXAMPLE.COM', bundles['localhost.com']['subj'], ctx)
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check_cert('ALT1.EXAMPLE.COM', bundles['example.com']['subj'], ctx)
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check_cert('WWW.ALT2.EXAMPLE.COM', bundles['example.com']['subj'], ctx)
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def test_tls_sni_only_bundle():
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bundles = {
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"localhost.com": {
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"subj": "localhost.com",
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"alt_names": ["alt1.localhost.com", "alt2.localhost.com"],
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}
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}
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ctx = config_bundles(bundles)
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add_tls(["localhost.com"])
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check_cert('domain.com', bundles['localhost.com']['subj'], ctx)
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check_cert('alt1.domain.com', bundles['localhost.com']['subj'], ctx)
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def test_tls_sni_wildcard():
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bundles = {
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"localhost.com": {"subj": "localhost.com", "alt_names": []},
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"example.com": {
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"subj": "example.com",
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"alt_names": ["*.example.com", "*.alt.example.com"],
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},
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}
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ctx = config_bundles(bundles)
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add_tls(["localhost.com", "example.com"])
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check_cert('example.com', bundles['localhost.com']['subj'], ctx)
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check_cert('www.example.com', bundles['example.com']['subj'], ctx)
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check_cert('alt.example.com', bundles['example.com']['subj'], ctx)
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check_cert('www.alt.example.com', bundles['example.com']['subj'], ctx)
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check_cert('www.alt.example.ru', bundles['localhost.com']['subj'], ctx)
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def test_tls_sni_duplicated_bundle():
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bundles = {
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"localhost.com": {
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"subj": "localhost.com",
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"alt_names": ["localhost.com", "alt2.localhost.com"],
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}
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}
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ctx = config_bundles(bundles)
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add_tls(["localhost.com", "localhost.com"])
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check_cert('localhost.com', bundles['localhost.com']['subj'], ctx)
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check_cert('alt2.localhost.com', bundles['localhost.com']['subj'], ctx)
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def test_tls_sni_same_alt():
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bundles = {
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"localhost": {"subj": "subj1", "alt_names": "same.altname.com"},
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"example": {"subj": "subj2", "alt_names": "same.altname.com"},
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}
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ctx = config_bundles(bundles)
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add_tls(["localhost", "example"])
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check_cert('localhost', bundles['localhost']['subj'], ctx)
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check_cert('example', bundles['localhost']['subj'], ctx)
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def test_tls_sni_empty_cn():
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bundles = {"localhost": {"alt_names": ["alt.localhost.com"]}}
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ctx = config_bundles(bundles)
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add_tls(["localhost"])
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resp, sock = client.get_ssl(
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headers={
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'Host': 'domain.com',
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'Content-Length': '0',
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'Connection': 'close',
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},
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start=True,
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context=ctx,
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)
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assert resp['status'] == 200
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assert sock.getpeercert()['subjectAltName'][0][1] == 'alt.localhost.com'
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def test_tls_sni_invalid():
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_ = config_bundles({"localhost": {"subj": "subj1", "alt_names": ''}})
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add_tls(["localhost"])
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def check_certificate(cert):
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assert 'error' in client.conf(
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{"pass": "routes", "tls": {"certificate": cert}},
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'listeners/*:8080',
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)
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check_certificate('')
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check_certificate('blah')
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check_certificate([])
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check_certificate(['blah'])
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check_certificate(['localhost', 'blah'])
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check_certificate(['localhost', []])
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