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import ssl
import pytest
from unit.applications.tls import TestApplicationTLS
class TestTLSConfCommand(TestApplicationTLS):
prerequisites = {'modules': {'openssl': 'any'}}
@pytest.fixture(autouse=True)
def setup_method_fixture(self):
self.certificate()
assert 'success' in self.conf(
{
"listeners": {
"*:7080": {
"pass": "routes",
"tls": {"certificate": "default"},
}
},
"routes": [{"action": {"return": 200}}],
"applications": {},
}
), 'load application configuration'
def test_tls_conf_command(self):
def check_no_connection():
try:
self.get_ssl()
pytest.fail('Unexpected connection.')
except (ssl.SSLError, ConnectionRefusedError):
pass
# Set one conf_commands (disable protocol).
(_, sock) = self.get_ssl(start=True)
shared_ciphers = sock.shared_ciphers()
protocols = list(set(c[1] for c in shared_ciphers))
protocol = sock.cipher()[1]
if '/' in protocol:
pytest.skip('Complex protocol format.')
assert 'success' in self.conf(
{
"certificate": "default",
"conf_commands": {"protocol": f'-{protocol}'},
},
'listeners/*:7080/tls',
), 'protocol disabled'
sock.close()
if len(protocols) > 1:
(_, sock) = self.get_ssl(start=True)
cipher = sock.cipher()
assert cipher[1] != protocol, 'new protocol used'
shared_ciphers = sock.shared_ciphers()
ciphers = list(set(c for c in shared_ciphers if c[1] == cipher[1]))
sock.close()
else:
check_no_connection()
pytest.skip('One TLS protocol available only.')
# Set two conf_commands (disable protocol and cipher).
assert 'success' in self.conf(
{
"certificate": "default",
"conf_commands": {
"protocol": f'-{protocol}',
"cipherstring": f"{cipher[1]}:!{cipher[0]}",
},
},
'listeners/*:7080/tls',
), 'cipher disabled'
if len(ciphers) > 1:
(_, sock) = self.get_ssl(start=True)
cipher_new = sock.cipher()
assert cipher_new[1] == cipher[1], 'previous protocol used'
assert cipher_new[0] != cipher[0], 'new cipher used'
sock.close()
else:
check_no_connection()
def test_tls_conf_command_invalid(self, skip_alert):
skip_alert(r'SSL_CONF_cmd', r'failed to apply new conf')
def check_conf_commands(conf_commands):
assert 'error' in self.conf(
{"certificate": "default", "conf_commands": conf_commands},
'listeners/*:7080/tls',
), 'ivalid conf_commands'
check_conf_commands([])
check_conf_commands("blah")
check_conf_commands({"": ""})
check_conf_commands({"blah": ""})
check_conf_commands({"protocol": {}})
check_conf_commands({"protocol": "blah"})
check_conf_commands({"protocol": "TLSv1.2", "blah": ""})
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