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import cStringIO, threading, Queue, time, socket
from netlib import tcp, certutils, test
import mock
import tutils
class SNIHandler(tcp.BaseHandler):
sni = None
def handle_sni(self, connection):
self.sni = connection.get_servername()
def handle(self):
self.wfile.write(self.sni)
self.wfile.flush()
class EchoHandler(tcp.BaseHandler):
sni = None
def handle_sni(self, connection):
self.sni = connection.get_servername()
def handle(self):
v = self.rfile.readline()
if v.startswith("echo"):
self.wfile.write(v)
elif v.startswith("error"):
raise ValueError("Testing an error.")
self.wfile.flush()
class CertHandler(tcp.BaseHandler):
sni = None
def handle_sni(self, connection):
self.sni = connection.get_servername()
def handle(self):
self.wfile.write("%s\n"%self.clientcert.serial)
self.wfile.flush()
class DisconnectHandler(tcp.BaseHandler):
def handle(self):
self.close()
class HangHandler(tcp.BaseHandler):
def handle(self):
while 1:
time.sleep(1)
class TimeoutHandler(tcp.BaseHandler):
def handle(self):
self.timeout = False
self.settimeout(0.01)
try:
self.rfile.read(10)
except tcp.NetLibTimeout:
self.timeout = True
class TestServer(test.ServerTestBase):
handler = EchoHandler
def test_echo(self):
testval = "echo!\n"
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
c.wfile.write(testval)
c.wfile.flush()
assert c.rfile.readline() == testval
class TestDisconnect(test.ServerTestBase):
handler = EchoHandler
def test_echo(self):
testval = "echo!\n"
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
c.wfile.write(testval)
c.wfile.flush()
assert c.rfile.readline() == testval
class TestServerSSL(test.ServerTestBase):
handler = EchoHandler
ssl = dict(
cert = tutils.test_data.path("data/server.crt"),
key = tutils.test_data.path("data/server.key"),
v3_only = False
)
def test_echo(self):
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
c.convert_to_ssl(sni="foo.com", options=tcp.OP_ALL)
testval = "echo!\n"
c.wfile.write(testval)
c.wfile.flush()
assert c.rfile.readline() == testval
def test_get_remote_cert(self):
assert certutils.get_remote_cert("127.0.0.1", self.port, None).digest("sha1")
class TestSSLv3Only(test.ServerTestBase):
handler = EchoHandler
ssl = dict(
cert = tutils.test_data.path("data/server.crt"),
key = tutils.test_data.path("data/server.key"),
v3_only = True
)
def test_failure(self):
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
tutils.raises(tcp.NetLibError, c.convert_to_ssl, sni="foo.com", method=tcp.TLSv1_METHOD)
class TestSSLClientCert(test.ServerTestBase):
handler = CertHandler
ssl = dict(
cert = tutils.test_data.path("data/server.crt"),
key = tutils.test_data.path("data/server.key"),
v3_only = False
)
def test_clientcert(self):
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
c.convert_to_ssl(clientcert=tutils.test_data.path("data/clientcert/client.pem"))
assert c.rfile.readline().strip() == "1"
def test_clientcert_err(self):
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
tutils.raises(
tcp.NetLibError,
c.convert_to_ssl,
clientcert=tutils.test_data.path("data/clientcert/make")
)
class TestSNI(test.ServerTestBase):
handler = SNIHandler
ssl = dict(
cert = tutils.test_data.path("data/server.crt"),
key = tutils.test_data.path("data/server.key"),
v3_only = False
)
def test_echo(self):
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
c.convert_to_ssl(sni="foo.com")
assert c.rfile.readline() == "foo.com"
class TestSSLDisconnect(test.ServerTestBase):
handler = DisconnectHandler
ssl = dict(
cert = tutils.test_data.path("data/server.crt"),
key = tutils.test_data.path("data/server.key"),
v3_only = False
)
def test_echo(self):
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
c.convert_to_ssl()
# Excercise SSL.ZeroReturnError
c.rfile.read(10)
c.close()
tutils.raises(tcp.NetLibDisconnect, c.wfile.write, "foo")
tutils.raises(Queue.Empty, self.q.get_nowait)
class TestDisconnect(test.ServerTestBase):
def test_echo(self):
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
c.rfile.read(10)
c.wfile.write("foo")
c.close()
c.close()
class TestServerTimeOut(test.ServerTestBase):
handler = TimeoutHandler
def test_timeout(self):
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
time.sleep(0.3)
assert self.last_handler.timeout
class TestTimeOut(test.ServerTestBase):
handler = HangHandler
def test_timeout(self):
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
c.settimeout(0.1)
assert c.gettimeout() == 0.1
tutils.raises(tcp.NetLibTimeout, c.rfile.read, 10)
class TestSSLTimeOut(test.ServerTestBase):
handler = HangHandler
ssl = dict(
cert = tutils.test_data.path("data/server.crt"),
key = tutils.test_data.path("data/server.key"),
v3_only = False
)
def test_timeout_client(self):
c = tcp.TCPClient("127.0.0.1", self.port)
c.connect()
c.convert_to_ssl()
c.settimeout(0.1)
tutils.raises(tcp.NetLibTimeout, c.rfile.read, 10)
class TestTCPClient:
def test_conerr(self):
c = tcp.TCPClient("127.0.0.1", 0)
tutils.raises(tcp.NetLibError, c.connect)
class TestFileLike:
def test_blocksize(self):
s = cStringIO.StringIO("1234567890abcdefghijklmnopqrstuvwxyz")
s = tcp.Reader(s)
s.BLOCKSIZE = 2
assert s.read(1) == "1"
assert s.read(2) == "23"
assert s.read(3) == "456"
assert s.read(4) == "7890"
d = s.read(-1)
assert d.startswith("abc") and d.endswith("xyz")
def test_wrap(self):
s = cStringIO.StringIO("foobar\nfoobar")
s.flush()
s = tcp.Reader(s)
assert s.readline() == "foobar\n"
assert s.readline() == "foobar"
# Test __getattr__
assert s.isatty
def test_limit(self):
s = cStringIO.StringIO("foobar\nfoobar")
s = tcp.Reader(s)
assert s.readline(3) == "foo"
def test_limitless(self):
s = cStringIO.StringIO("f"*(50*1024))
s = tcp.Reader(s)
ret = s.read(-1)
assert len(ret) == 50 * 1024
def test_readlog(self):
s = cStringIO.StringIO("foobar\nfoobar")
s = tcp.Reader(s)
assert not s.is_logging()
s.start_log()
assert s.is_logging()
s.readline()
assert s.get_log() == "foobar\n"
s.read(1)
assert s.get_log() == "foobar\nf"
s.start_log()
assert s.get_log() == ""
s.read(1)
assert s.get_log() == "o"
s.stop_log()
tutils.raises(ValueError, s.get_log)
def test_writelog(self):
s = cStringIO.StringIO()
s = tcp.Writer(s)
s.start_log()
assert s.is_logging()
s.write("x")
assert s.get_log() == "x"
s.write("x")
assert s.get_log() == "xx"
def test_writer_flush_error(self):
s = cStringIO.StringIO()
s = tcp.Writer(s)
o = mock.MagicMock()
o.flush = mock.MagicMock(side_effect=socket.error)
s.o = o
tutils.raises(tcp.NetLibDisconnect, s.flush)
def test_reader_read_error(self):
s = cStringIO.StringIO("foobar\nfoobar")
s = tcp.Reader(s)
o = mock.MagicMock()
o.read = mock.MagicMock(side_effect=socket.error)
s.o = o
tutils.raises(tcp.NetLibDisconnect, s.read, 10)
def test_reset_timestamps(self):
s = cStringIO.StringIO("foobar\nfoobar")
s = tcp.Reader(s)
s.first_byte_timestamp = 500
s.reset_timestamps()
assert not s.first_byte_timestamp
def test_first_byte_timestamp_updated_on_read(self):
s = cStringIO.StringIO("foobar\nfoobar")
s = tcp.Reader(s)
s.read(1)
assert s.first_byte_timestamp
expected = s.first_byte_timestamp
s.read(5)
assert s.first_byte_timestamp == expected
def test_first_byte_timestamp_updated_on_readline(self):
s = cStringIO.StringIO("foobar\nfoobar\nfoobar")
s = tcp.Reader(s)
s.readline()
assert s.first_byte_timestamp
expected = s.first_byte_timestamp
s.readline()
assert s.first_byte_timestamp == expected
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