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import ssl
import subprocess
import pytest
from unit.applications.tls import TestApplicationTLS
from unit.option import option
class TestTLSSNI(TestApplicationTLS):
prerequisites = {'modules': {'openssl': 'any'}}
def setup_method(self):
self._load_conf(
{
"listeners": {"*:7080": {"pass": "routes"}},
"routes": [{"action": {"return": 200}}],
"applications": {},
}
)
def openssl_date_to_sec_epoch(self, date):
return self.date_to_sec_epoch(date, '%b %d %H:%M:%S %Y %Z')
def add_tls(self, cert='default'):
assert 'success' in self.conf(
{"pass": "routes", "tls": {"certificate": cert}},
'listeners/*:7080',
)
def remove_tls(self):
assert 'success' in self.conf({"pass": "routes"}, 'listeners/*:7080')
def generate_ca_conf(self):
with open(option.temp_dir + '/ca.conf', 'w') as f:
f.write(
"""[ ca ]
default_ca = myca
[ myca ]
new_certs_dir = %(dir)s
database = %(database)s
default_md = sha256
policy = myca_policy
serial = %(certserial)s
default_days = 1
x509_extensions = myca_extensions
copy_extensions = copy
[ myca_policy ]
commonName = optional
[ myca_extensions ]
basicConstraints = critical,CA:TRUE"""
% {
'dir': option.temp_dir,
'database': option.temp_dir + '/certindex',
'certserial': option.temp_dir + '/certserial',
}
)
with open(option.temp_dir + '/certserial', 'w') as f:
f.write('1000')
with open(option.temp_dir + '/certindex', 'w') as f:
f.write('')
def config_bundles(self, bundles):
self.certificate('root', False)
for b in bundles:
self.openssl_conf(rewrite=True, alt_names=bundles[b]['alt_names'])
subj = (
'/CN={}/'.format(bundles[b]['subj'])
if 'subj' in bundles[b]
else '/'
)
subprocess.call(
[
'openssl',
'req',
'-new',
'-subj',
subj,
'-config',
option.temp_dir + '/openssl.conf',
'-out',
option.temp_dir + '/{}.csr'.format(b),
'-keyout',
option.temp_dir + '/{}.key'.format(b),
],
stderr=subprocess.STDOUT,
)
self.generate_ca_conf()
for b in bundles:
subj = (
'/CN={}/'.format(bundles[b]['subj'])
if 'subj' in bundles[b]
else '/'
)
subprocess.call(
[
'openssl',
'ca',
'-batch',
'-subj',
subj,
'-config',
option.temp_dir + '/ca.conf',
'-keyfile',
option.temp_dir + '/root.key',
'-cert',
option.temp_dir + '/root.crt',
'-in',
option.temp_dir + '/{}.csr'.format(b),
'-out',
option.temp_dir + '/{}.crt'.format(b),
],
stderr=subprocess.STDOUT,
)
self.context = ssl.create_default_context()
self.context.check_hostname = False
self.context.verify_mode = ssl.CERT_REQUIRED
self.context.load_verify_locations(option.temp_dir + '/root.crt')
self.load_certs(bundles)
def load_certs(self, bundles):
for bname, bvalue in bundles.items():
assert 'success' in self.certificate_load(
bname, bname
), 'certificate {} upload'.format(bvalue['subj'])
def check_cert(self, host, expect):
resp, sock = self.get_ssl(
headers={
'Host': host,
'Content-Length': '0',
'Connection': 'close',
},
start=True,
)
assert resp['status'] == 200
assert sock.getpeercert()['subject'][0][0][1] == expect
def test_tls_sni(self):
bundles = {
"default": {"subj": "default", "alt_names": ["default"]},
"localhost.com": {
"subj": "localhost.com",
"alt_names": ["alt1.localhost.com"],
},
"example.com": {
"subj": "example.com",
"alt_names": ["alt1.example.com", "alt2.example.com"],
},
}
self.config_bundles(bundles)
self.add_tls(["default", "localhost.com", "example.com"])
self.check_cert('alt1.localhost.com', bundles['localhost.com']['subj'])
self.check_cert('alt2.example.com', bundles['example.com']['subj'])
self.check_cert('blah', bundles['default']['subj'])
def test_tls_sni_upper_case(self):
bundles = {
"localhost.com": {"subj": "LOCALHOST.COM", "alt_names": []},
"example.com": {
"subj": "example.com",
"alt_names": ["ALT1.EXAMPLE.COM", "*.ALT2.EXAMPLE.COM"],
},
}
self.config_bundles(bundles)
self.add_tls(["localhost.com", "example.com"])
self.check_cert('localhost.com', bundles['localhost.com']['subj'])
self.check_cert('LOCALHOST.COM', bundles['localhost.com']['subj'])
self.check_cert('EXAMPLE.COM', bundles['localhost.com']['subj'])
self.check_cert('ALT1.EXAMPLE.COM', bundles['example.com']['subj'])
self.check_cert('WWW.ALT2.EXAMPLE.COM', bundles['example.com']['subj'])
def test_tls_sni_only_bundle(self):
bundles = {
"localhost.com": {
"subj": "localhost.com",
"alt_names": ["alt1.localhost.com", "alt2.localhost.com"],
}
}
self.config_bundles(bundles)
self.add_tls(["localhost.com"])
self.check_cert('domain.com', bundles['localhost.com']['subj'])
self.check_cert('alt1.domain.com', bundles['localhost.com']['subj'])
def test_tls_sni_wildcard(self):
bundles = {
"localhost.com": {"subj": "localhost.com", "alt_names": []},
"example.com": {
"subj": "example.com",
"alt_names": ["*.example.com", "*.alt.example.com"],
},
}
self.config_bundles(bundles)
self.add_tls(["localhost.com", "example.com"])
self.check_cert('example.com', bundles['localhost.com']['subj'])
self.check_cert('www.example.com', bundles['example.com']['subj'])
self.check_cert('alt.example.com', bundles['example.com']['subj'])
self.check_cert('www.alt.example.com', bundles['example.com']['subj'])
self.check_cert('www.alt.example.ru', bundles['localhost.com']['subj'])
def test_tls_sni_duplicated_bundle(self):
bundles = {
"localhost.com": {
"subj": "localhost.com",
"alt_names": ["localhost.com", "alt2.localhost.com"],
}
}
self.config_bundles(bundles)
self.add_tls(["localhost.com", "localhost.com"])
self.check_cert('localhost.com', bundles['localhost.com']['subj'])
self.check_cert('alt2.localhost.com', bundles['localhost.com']['subj'])
def test_tls_sni_same_alt(self):
bundles = {
"localhost": {"subj": "subj1", "alt_names": "same.altname.com"},
"example": {"subj": "subj2", "alt_names": "same.altname.com"},
}
self.config_bundles(bundles)
self.add_tls(["localhost", "example"])
self.check_cert('localhost', bundles['localhost']['subj'])
self.check_cert('example', bundles['localhost']['subj'])
def test_tls_sni_empty_cn(self):
bundles = {"localhost": {"alt_names": ["alt.localhost.com"]}}
self.config_bundles(bundles)
self.add_tls(["localhost"])
resp, sock = self.get_ssl(
headers={
'Host': 'domain.com',
'Content-Length': '0',
'Connection': 'close',
},
start=True,
)
assert resp['status'] == 200
assert (
sock.getpeercert()['subjectAltName'][0][1] == 'alt.localhost.com'
)
def test_tls_sni_invalid(self):
self.config_bundles({"localhost": {"subj": "subj1", "alt_names": ''}})
self.add_tls(["localhost"])
def check_certificate(cert):
assert 'error' in self.conf(
{"pass": "routes", "tls": {"certificate": cert}},
'listeners/*:7080',
)
check_certificate('')
check_certificate('blah')
check_certificate([])
check_certificate(['blah'])
check_certificate(['localhost', 'blah'])
check_certificate(['localhost', []])
|
