bcff62d267
Since SSL_CTX_sess_set_cache_size() can't guarantee the size of the cache there is no need to test edge "cache_size" values.
126 lines
3.7 KiB
Python
126 lines
3.7 KiB
Python
import socket
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import time
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import pytest
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pytest.importorskip('OpenSSL.SSL')
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from OpenSSL.SSL import (
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TLSv1_2_METHOD,
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SESS_CACHE_CLIENT,
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OP_NO_TICKET,
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Context,
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Connection,
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_lib,
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)
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from unit.applications.tls import TestApplicationTLS
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class TestTLSSession(TestApplicationTLS):
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prerequisites = {'modules': {'openssl': 'any'}}
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@pytest.fixture(autouse=True)
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def setup_method_fixture(self, request):
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self.certificate()
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assert 'success' in self.conf(
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{
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"listeners": {
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"*:7080": {
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"pass": "routes",
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"tls": {"certificate": "default", "session": {}},
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}
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},
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"routes": [{"action": {"return": 200}}],
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"applications": {},
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}
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), 'load application configuration'
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def add_session(self, cache_size=None, timeout=None):
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session = {}
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if cache_size is not None:
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session['cache_size'] = cache_size
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if timeout is not None:
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session['timeout'] = timeout
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return self.conf(session, 'listeners/*:7080/tls/session')
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def connect(self, ctx=None, session=None):
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sock = socket.create_connection(('127.0.0.1', 7080))
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if ctx is None:
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ctx = Context(TLSv1_2_METHOD)
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ctx.set_session_cache_mode(SESS_CACHE_CLIENT)
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ctx.set_options(OP_NO_TICKET)
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client = Connection(ctx, sock)
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client.set_connect_state()
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if session is not None:
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client.set_session(session)
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client.do_handshake()
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client.shutdown()
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return (
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client,
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client.get_session(),
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ctx,
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_lib.SSL_session_reused(client._ssl),
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)
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def test_tls_session(self):
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client, sess, ctx, reused = self.connect()
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assert not reused, 'new connection'
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client, _, _, reused = self.connect(ctx, sess)
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assert not reused, 'no cache'
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assert 'success' in self.add_session(cache_size=2)
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client, sess, ctx, reused = self.connect()
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assert not reused, 'new connection cache'
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client, _, _, reused = self.connect(ctx, sess)
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assert reused, 'cache'
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client, _, _, reused = self.connect(ctx, sess)
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assert reused, 'cache 2'
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# check that at least one session of four is not reused
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clients = [self.connect() for _ in range(4)]
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assert True not in [c[-1] for c in clients], 'cache small all new'
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clients_again = [self.connect(c[2], c[1]) for c in clients]
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assert False in [c[-1] for c in clients_again], 'cache small no reuse'
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# all four sessions are reused
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assert 'success' in self.add_session(cache_size=8)
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clients = [self.connect() for _ in range(4)]
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assert True not in [c[-1] for c in clients], 'cache big all new'
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clients_again = [self.connect(c[2], c[1]) for c in clients]
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assert False not in [c[-1] for c in clients_again], 'cache big reuse'
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def test_tls_session_timeout(self):
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assert 'success' in self.add_session(cache_size=5, timeout=1)
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client, sess, ctx, reused = self.connect()
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assert not reused, 'new connection'
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client, _, _, reused = self.connect(ctx, sess)
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assert reused, 'no timeout'
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time.sleep(3)
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client, _, _, reused = self.connect(ctx, sess)
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assert not reused, 'timeout'
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def test_tls_session_invalid(self):
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assert 'error' in self.add_session(cache_size=-1)
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assert 'error' in self.add_session(cache_size={})
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assert 'error' in self.add_session(timeout=-1)
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assert 'error' in self.add_session(timeout={})
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