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import asyncio
import socket
import unittest
from uvloop import _testbase as tb
def patched_getaddrinfo(*args, **kwargs):
# corrected socket.getaddrinfo() behavior: ai_canonname always follows the
# flag AI_CANONNAME, even if `host` is an IP
rv = []
result = socket.getaddrinfo(*args, **kwargs)
for af, sk, proto, canon_name, addr in result:
if kwargs.get('flags', 0) & socket.AI_CANONNAME:
if not canon_name:
canon_name = args[0]
if not isinstance(canon_name, str):
canon_name = canon_name.decode('ascii')
elif canon_name:
canon_name = ''
rv.append((af, sk, proto, canon_name, addr))
return rv
class BaseTestDNS:
def _test_getaddrinfo(self, *args, _patch=False, **kwargs):
err = None
try:
if _patch:
a1 = patched_getaddrinfo(*args, **kwargs)
else:
a1 = socket.getaddrinfo(*args, **kwargs)
except (socket.gaierror, UnicodeError) as ex:
err = ex
try:
a2 = self.loop.run_until_complete(
self.loop.getaddrinfo(*args, **kwargs))
except (socket.gaierror, UnicodeError) as ex:
if err is not None:
self.assertEqual(ex.args, err.args)
else:
ex.__context__ = err
raise ex
except OSError as ex:
ex.__context__ = err
raise ex
else:
if err is not None:
raise err
self.assertEqual(a1, a2)
def _test_getnameinfo(self, *args, **kwargs):
err = None
try:
a1 = socket.getnameinfo(*args, **kwargs)
except Exception as ex:
err = ex
try:
a2 = self.loop.run_until_complete(
self.loop.getnameinfo(*args, **kwargs))
except Exception as ex:
if err is not None:
if ex.__class__ is not err.__class__:
print(ex, err)
self.assertIs(ex.__class__, err.__class__)
self.assertEqual(ex.args, err.args)
else:
raise
else:
if err is not None:
raise err
self.assertEqual(a1, a2)
def test_getaddrinfo_1(self):
self._test_getaddrinfo('example.com', 80)
self._test_getaddrinfo('example.com', 80, type=socket.SOCK_STREAM)
def test_getaddrinfo_2(self):
self._test_getaddrinfo('example.com', 80, flags=socket.AI_CANONNAME)
def test_getaddrinfo_3(self):
self._test_getaddrinfo('a' + '1' * 50 + '.wat', 800)
def test_getaddrinfo_4(self):
self._test_getaddrinfo('example.com', 80, family=-1)
self._test_getaddrinfo('example.com', 80, type=socket.SOCK_STREAM,
family=-1)
def test_getaddrinfo_5(self):
self._test_getaddrinfo('example.com', '80')
self._test_getaddrinfo('example.com', '80', type=socket.SOCK_STREAM)
def test_getaddrinfo_6(self):
self._test_getaddrinfo(b'example.com', b'80')
self._test_getaddrinfo(b'example.com', b'80', type=socket.SOCK_STREAM)
def test_getaddrinfo_7(self):
self._test_getaddrinfo(None, 0)
self._test_getaddrinfo(None, 0, type=socket.SOCK_STREAM)
@unittest.skip("Fails with libuv 1.48.0")
def test_getaddrinfo_8(self):
self._test_getaddrinfo('', 0)
self._test_getaddrinfo('', 0, type=socket.SOCK_STREAM)
@unittest.skip("Fails with libuv 1.48.0")
def test_getaddrinfo_9(self):
self._test_getaddrinfo(b'', 0)
self._test_getaddrinfo(b'', 0, type=socket.SOCK_STREAM)
def test_getaddrinfo_10(self):
self._test_getaddrinfo(None, None)
self._test_getaddrinfo(None, None, type=socket.SOCK_STREAM)
def test_getaddrinfo_11(self):
self._test_getaddrinfo(b'example.com', '80')
self._test_getaddrinfo(b'example.com', '80', type=socket.SOCK_STREAM)
def test_getaddrinfo_12(self):
# musl always returns ai_canonname but we don't
patch = self.implementation != 'asyncio'
self._test_getaddrinfo('127.0.0.1', '80')
self._test_getaddrinfo('127.0.0.1', '80', type=socket.SOCK_STREAM,
_patch=patch)
def test_getaddrinfo_13(self):
# musl always returns ai_canonname but we don't
patch = self.implementation != 'asyncio'
self._test_getaddrinfo(b'127.0.0.1', b'80')
self._test_getaddrinfo(b'127.0.0.1', b'80', type=socket.SOCK_STREAM,
_patch=patch)
def test_getaddrinfo_14(self):
# musl always returns ai_canonname but we don't
patch = self.implementation != 'asyncio'
self._test_getaddrinfo(b'127.0.0.1', b'http')
self._test_getaddrinfo(b'127.0.0.1', b'http', type=socket.SOCK_STREAM,
_patch=patch)
def test_getaddrinfo_15(self):
# musl always returns ai_canonname but we don't
patch = self.implementation != 'asyncio'
self._test_getaddrinfo('127.0.0.1', 'http')
self._test_getaddrinfo('127.0.0.1', 'http', type=socket.SOCK_STREAM,
_patch=patch)
def test_getaddrinfo_16(self):
self._test_getaddrinfo('localhost', 'http')
self._test_getaddrinfo('localhost', 'http', type=socket.SOCK_STREAM)
def test_getaddrinfo_17(self):
self._test_getaddrinfo(b'localhost', 'http')
self._test_getaddrinfo(b'localhost', 'http', type=socket.SOCK_STREAM)
def test_getaddrinfo_18(self):
self._test_getaddrinfo('localhost', b'http')
self._test_getaddrinfo('localhost', b'http', type=socket.SOCK_STREAM)
def test_getaddrinfo_19(self):
# musl always returns ai_canonname while macOS never return for IPs,
# but we strictly follow the docs to use the AI_CANONNAME flag in a
# shortcut __static_getaddrinfo_pyaddr()
patch = self.implementation != 'asyncio'
self._test_getaddrinfo('::1', 80)
self._test_getaddrinfo('::1', 80, type=socket.SOCK_STREAM,
_patch=patch)
self._test_getaddrinfo('::1', 80, type=socket.SOCK_STREAM,
flags=socket.AI_CANONNAME, _patch=patch)
def test_getaddrinfo_20(self):
# musl always returns ai_canonname while macOS never return for IPs,
# but we strictly follow the docs to use the AI_CANONNAME flag in a
# shortcut __static_getaddrinfo_pyaddr()
patch = self.implementation != 'asyncio'
self._test_getaddrinfo('127.0.0.1', 80)
self._test_getaddrinfo('127.0.0.1', 80, type=socket.SOCK_STREAM,
_patch=patch)
self._test_getaddrinfo('127.0.0.1', 80, type=socket.SOCK_STREAM,
flags=socket.AI_CANONNAME, _patch=patch)
# https://github.com/libuv/libuv/security/advisories/GHSA-f74f-cvh7-c6q6
# See also: https://github.com/MagicStack/uvloop/pull/600
def test_getaddrinfo_21(self):
payload = f'0x{"0" * 246}7f000001.example.com'.encode('ascii')
self._test_getaddrinfo(payload, 80)
self._test_getaddrinfo(payload, 80, type=socket.SOCK_STREAM)
def test_getaddrinfo_22(self):
payload = f'0x{"0" * 246}7f000001.example.com'
self._test_getaddrinfo(payload, 80)
self._test_getaddrinfo(payload, 80, type=socket.SOCK_STREAM)
######
def test_getnameinfo_1(self):
self._test_getnameinfo(('127.0.0.1', 80), 0)
def test_getnameinfo_2(self):
self._test_getnameinfo(('127.0.0.1', 80, 1231231231213), 0)
def test_getnameinfo_3(self):
self._test_getnameinfo(('127.0.0.1', 80, 0, 0), 0)
def test_getnameinfo_4(self):
self._test_getnameinfo(('::1', 80), 0)
def test_getnameinfo_5(self):
self._test_getnameinfo(('localhost', 8080), 0)
class Test_UV_DNS(BaseTestDNS, tb.UVTestCase):
def test_getaddrinfo_close_loop(self):
# Test that we can close the loop with a running
# DNS query.
try:
# Check that we have internet connection
socket.getaddrinfo('example.com', 80)
except socket.error:
raise unittest.SkipTest
async def run():
fut = self.loop.create_task(
self.loop.getaddrinfo('example.com', 80))
await asyncio.sleep(0)
fut.cancel()
self.loop.stop()
try:
self.loop.run_until_complete(run())
finally:
self.loop.close()
class Test_AIO_DNS(BaseTestDNS, tb.AIOTestCase):
pass
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