mirror of
https://github.com/Grasscutters/mitmproxy.git
synced 2024-12-04 12:40:06 +00:00
803 lines
23 KiB
Python
803 lines
23 KiB
Python
from io import BytesIO
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import queue
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import time
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import socket
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import random
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import os
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import threading
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import mock
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from OpenSSL import SSL
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from mitmproxy import certs
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from netlib import tcp
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from netlib import tutils
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from netlib import exceptions
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from . import tservers
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class EchoHandler(tcp.BaseHandler):
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sni = None
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def handle_sni(self, connection):
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self.sni = connection.get_servername()
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def handle(self):
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v = self.rfile.readline()
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self.wfile.write(v)
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self.wfile.flush()
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class ClientCipherListHandler(tcp.BaseHandler):
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sni = None
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def handle(self):
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self.wfile.write("%s" % self.connection.get_cipher_list())
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self.wfile.flush()
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class HangHandler(tcp.BaseHandler):
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def handle(self):
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# Hang as long as the client connection is alive
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while True:
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try:
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self.connection.setblocking(0)
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ret = self.connection.recv(1)
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# Client connection is dead...
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if ret == "" or ret == b"":
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return
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except socket.error:
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pass
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except SSL.WantReadError:
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pass
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except Exception:
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return
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time.sleep(0.1)
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class ALPNHandler(tcp.BaseHandler):
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sni = None
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def handle(self):
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alp = self.get_alpn_proto_negotiated()
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if alp:
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self.wfile.write(alp)
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else:
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self.wfile.write(b"NONE")
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self.wfile.flush()
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class TestServer(tservers.ServerTestBase):
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handler = EchoHandler
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def test_echo(self):
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testval = b"echo!\n"
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.wfile.write(testval)
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c.wfile.flush()
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assert c.rfile.readline() == testval
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def test_thread_start_error(self):
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with mock.patch.object(threading.Thread, "start", side_effect=threading.ThreadError("nonewthread")) as m:
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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assert not c.rfile.read(1)
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assert m.called
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assert "nonewthread" in self.q.get_nowait()
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self.test_echo()
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class TestServerBind(tservers.ServerTestBase):
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class handler(tcp.BaseHandler):
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def handle(self):
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self.wfile.write(str(self.connection.getpeername()).encode())
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self.wfile.flush()
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def test_bind(self):
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""" Test to bind to a given random port. Try again if the random port turned out to be blocked. """
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for i in range(20):
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random_port = random.randrange(1024, 65535)
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try:
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c = tcp.TCPClient(
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("127.0.0.1", self.port), source_address=(
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"127.0.0.1", random_port))
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with c.connect():
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assert c.rfile.readline() == str(("127.0.0.1", random_port)).encode()
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return
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except exceptions.TcpException: # port probably already in use
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pass
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class TestServerIPv6(tservers.ServerTestBase):
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handler = EchoHandler
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addr = tcp.Address(("localhost", 0), use_ipv6=True)
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def test_echo(self):
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testval = b"echo!\n"
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c = tcp.TCPClient(tcp.Address(("::1", self.port), use_ipv6=True))
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with c.connect():
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c.wfile.write(testval)
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c.wfile.flush()
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assert c.rfile.readline() == testval
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class TestEcho(tservers.ServerTestBase):
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handler = EchoHandler
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def test_echo(self):
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testval = b"echo!\n"
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.wfile.write(testval)
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c.wfile.flush()
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assert c.rfile.readline() == testval
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class HardDisconnectHandler(tcp.BaseHandler):
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def handle(self):
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self.connection.close()
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class TestFinishFail(tservers.ServerTestBase):
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"""
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This tests a difficult-to-trigger exception in the .finish() method of
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the handler.
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"""
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handler = EchoHandler
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def test_disconnect_in_finish(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.wfile.write(b"foo\n")
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c.wfile.flush = mock.Mock(side_effect=exceptions.TcpDisconnect)
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c.finish()
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class TestServerSSL(tservers.ServerTestBase):
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handler = EchoHandler
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ssl = dict(
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cipher_list="AES256-SHA",
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chain_file=tutils.test_data.path("data/server.crt")
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)
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def test_echo(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl(sni="foo.com", options=SSL.OP_ALL)
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testval = b"echo!\n"
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c.wfile.write(testval)
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c.wfile.flush()
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assert c.rfile.readline() == testval
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def test_get_current_cipher(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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assert not c.get_current_cipher()
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c.convert_to_ssl(sni="foo.com")
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ret = c.get_current_cipher()
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assert ret
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assert "AES" in ret[0]
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class TestSSLv3Only(tservers.ServerTestBase):
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handler = EchoHandler
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ssl = dict(
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request_client_cert=False,
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v3_only=True
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)
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def test_failure(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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tutils.raises(exceptions.TlsException, c.convert_to_ssl, sni="foo.com")
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class TestSSLUpstreamCertVerificationWBadServerCert(tservers.ServerTestBase):
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handler = EchoHandler
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ssl = dict(
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cert=tutils.test_data.path("data/verificationcerts/self-signed.crt"),
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key=tutils.test_data.path("data/verificationcerts/self-signed.key")
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)
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def test_mode_default_should_pass(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl()
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# Verification errors should be saved even if connection isn't aborted
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# aborted
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assert c.ssl_verification_error
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testval = b"echo!\n"
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c.wfile.write(testval)
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c.wfile.flush()
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assert c.rfile.readline() == testval
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def test_mode_none_should_pass(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl(verify_options=SSL.VERIFY_NONE)
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# Verification errors should be saved even if connection isn't aborted
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assert c.ssl_verification_error
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testval = b"echo!\n"
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c.wfile.write(testval)
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c.wfile.flush()
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assert c.rfile.readline() == testval
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def test_mode_strict_should_fail(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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with tutils.raises(exceptions.InvalidCertificateException):
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c.convert_to_ssl(
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sni="example.mitmproxy.org",
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verify_options=SSL.VERIFY_PEER,
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ca_pemfile=tutils.test_data.path("data/verificationcerts/trusted-root.crt")
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)
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assert c.ssl_verification_error
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# Unknown issuing certificate authority for first certificate
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assert "errno: 18" in str(c.ssl_verification_error)
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assert "depth: 0" in str(c.ssl_verification_error)
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class TestSSLUpstreamCertVerificationWBadHostname(tservers.ServerTestBase):
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handler = EchoHandler
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ssl = dict(
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cert=tutils.test_data.path("data/verificationcerts/trusted-leaf.crt"),
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key=tutils.test_data.path("data/verificationcerts/trusted-leaf.key")
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)
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def test_should_fail_without_sni(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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with tutils.raises(exceptions.TlsException):
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c.convert_to_ssl(
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verify_options=SSL.VERIFY_PEER,
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ca_pemfile=tutils.test_data.path("data/verificationcerts/trusted-root.crt")
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)
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def test_should_fail(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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with tutils.raises(exceptions.InvalidCertificateException):
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c.convert_to_ssl(
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sni="mitmproxy.org",
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verify_options=SSL.VERIFY_PEER,
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ca_pemfile=tutils.test_data.path("data/verificationcerts/trusted-root.crt")
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)
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assert c.ssl_verification_error
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class TestSSLUpstreamCertVerificationWValidCertChain(tservers.ServerTestBase):
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handler = EchoHandler
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ssl = dict(
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cert=tutils.test_data.path("data/verificationcerts/trusted-leaf.crt"),
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key=tutils.test_data.path("data/verificationcerts/trusted-leaf.key")
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)
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def test_mode_strict_w_pemfile_should_pass(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl(
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sni="example.mitmproxy.org",
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verify_options=SSL.VERIFY_PEER,
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ca_pemfile=tutils.test_data.path("data/verificationcerts/trusted-root.crt")
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)
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assert c.ssl_verification_error is None
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testval = b"echo!\n"
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c.wfile.write(testval)
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c.wfile.flush()
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assert c.rfile.readline() == testval
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def test_mode_strict_w_cadir_should_pass(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl(
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sni="example.mitmproxy.org",
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verify_options=SSL.VERIFY_PEER,
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ca_path=tutils.test_data.path("data/verificationcerts/")
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)
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assert c.ssl_verification_error is None
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testval = b"echo!\n"
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c.wfile.write(testval)
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c.wfile.flush()
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assert c.rfile.readline() == testval
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class TestSSLClientCert(tservers.ServerTestBase):
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class handler(tcp.BaseHandler):
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sni = None
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def handle_sni(self, connection):
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self.sni = connection.get_servername()
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def handle(self):
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self.wfile.write(b"%d\n" % self.clientcert.serial)
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self.wfile.flush()
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ssl = dict(
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request_client_cert=True,
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v3_only=False
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)
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def test_clientcert(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl(
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cert=tutils.test_data.path("data/clientcert/client.pem"))
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assert c.rfile.readline().strip() == b"1"
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def test_clientcert_err(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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tutils.raises(
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exceptions.TlsException,
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c.convert_to_ssl,
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cert=tutils.test_data.path("data/clientcert/make")
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)
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class TestSNI(tservers.ServerTestBase):
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class handler(tcp.BaseHandler):
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sni = None
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def handle_sni(self, connection):
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self.sni = connection.get_servername()
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def handle(self):
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self.wfile.write(self.sni)
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self.wfile.flush()
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ssl = True
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def test_echo(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl(sni="foo.com")
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assert c.sni == "foo.com"
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assert c.rfile.readline() == b"foo.com"
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class TestServerCipherList(tservers.ServerTestBase):
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handler = ClientCipherListHandler
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ssl = dict(
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cipher_list='RC4-SHA'
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)
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def test_echo(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl(sni="foo.com")
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assert c.rfile.readline() == b"['RC4-SHA']"
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class TestServerCurrentCipher(tservers.ServerTestBase):
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class handler(tcp.BaseHandler):
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sni = None
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def handle(self):
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self.wfile.write(str(self.get_current_cipher()).encode())
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self.wfile.flush()
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ssl = dict(
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cipher_list='RC4-SHA'
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)
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def test_echo(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl(sni="foo.com")
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assert b"RC4-SHA" in c.rfile.readline()
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class TestServerCipherListError(tservers.ServerTestBase):
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handler = ClientCipherListHandler
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ssl = dict(
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cipher_list='bogus'
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)
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def test_echo(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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tutils.raises("handshake error", c.convert_to_ssl, sni="foo.com")
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class TestClientCipherListError(tservers.ServerTestBase):
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handler = ClientCipherListHandler
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ssl = dict(
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cipher_list='RC4-SHA'
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)
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def test_echo(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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tutils.raises(
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"cipher specification",
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c.convert_to_ssl,
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sni="foo.com",
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cipher_list="bogus"
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)
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class TestSSLDisconnect(tservers.ServerTestBase):
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class handler(tcp.BaseHandler):
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def handle(self):
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self.finish()
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ssl = True
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def test_echo(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl()
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# Excercise SSL.ZeroReturnError
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c.rfile.read(10)
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c.close()
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tutils.raises(exceptions.TcpDisconnect, c.wfile.write, b"foo")
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tutils.raises(queue.Empty, self.q.get_nowait)
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class TestSSLHardDisconnect(tservers.ServerTestBase):
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handler = HardDisconnectHandler
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ssl = True
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def test_echo(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl()
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# Exercise SSL.SysCallError
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c.rfile.read(10)
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c.close()
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tutils.raises(exceptions.TcpDisconnect, c.wfile.write, b"foo")
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class TestDisconnect(tservers.ServerTestBase):
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def test_echo(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.rfile.read(10)
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c.wfile.write(b"foo")
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c.close()
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c.close()
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class TestServerTimeOut(tservers.ServerTestBase):
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class handler(tcp.BaseHandler):
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def handle(self):
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self.timeout = False
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self.settimeout(0.01)
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try:
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self.rfile.read(10)
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except exceptions.TcpTimeout:
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self.timeout = True
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def test_timeout(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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time.sleep(0.3)
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assert self.last_handler.timeout
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class TestTimeOut(tservers.ServerTestBase):
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handler = HangHandler
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def test_timeout(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.settimeout(0.1)
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assert c.gettimeout() == 0.1
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tutils.raises(exceptions.TcpTimeout, c.rfile.read, 10)
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class TestALPNClient(tservers.ServerTestBase):
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handler = ALPNHandler
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ssl = dict(
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alpn_select=b"bar"
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)
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if tcp.HAS_ALPN:
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def test_alpn(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl(alpn_protos=[b"foo", b"bar", b"fasel"])
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assert c.get_alpn_proto_negotiated() == b"bar"
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assert c.rfile.readline().strip() == b"bar"
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def test_no_alpn(self):
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c = tcp.TCPClient(("127.0.0.1", self.port))
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with c.connect():
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c.convert_to_ssl()
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assert c.get_alpn_proto_negotiated() == b""
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assert c.rfile.readline().strip() == b"NONE"
|
|
|
|
else:
|
|
def test_none_alpn(self):
|
|
c = tcp.TCPClient(("127.0.0.1", self.port))
|
|
with c.connect():
|
|
c.convert_to_ssl(alpn_protos=[b"foo", b"bar", b"fasel"])
|
|
assert c.get_alpn_proto_negotiated() == b""
|
|
assert c.rfile.readline() == b"NONE"
|
|
|
|
|
|
class TestNoSSLNoALPNClient(tservers.ServerTestBase):
|
|
handler = ALPNHandler
|
|
|
|
def test_no_ssl_no_alpn(self):
|
|
c = tcp.TCPClient(("127.0.0.1", self.port))
|
|
with c.connect():
|
|
assert c.get_alpn_proto_negotiated() == b""
|
|
assert c.rfile.readline().strip() == b"NONE"
|
|
|
|
|
|
class TestSSLTimeOut(tservers.ServerTestBase):
|
|
handler = HangHandler
|
|
ssl = True
|
|
|
|
def test_timeout_client(self):
|
|
c = tcp.TCPClient(("127.0.0.1", self.port))
|
|
with c.connect():
|
|
c.convert_to_ssl()
|
|
c.settimeout(0.1)
|
|
tutils.raises(exceptions.TcpTimeout, c.rfile.read, 10)
|
|
|
|
|
|
class TestDHParams(tservers.ServerTestBase):
|
|
handler = HangHandler
|
|
ssl = dict(
|
|
dhparams=certs.CertStore.load_dhparam(
|
|
tutils.test_data.path("data/dhparam.pem"),
|
|
),
|
|
cipher_list="DHE-RSA-AES256-SHA"
|
|
)
|
|
|
|
def test_dhparams(self):
|
|
c = tcp.TCPClient(("127.0.0.1", self.port))
|
|
with c.connect():
|
|
c.convert_to_ssl()
|
|
ret = c.get_current_cipher()
|
|
assert ret[0] == "DHE-RSA-AES256-SHA"
|
|
|
|
def test_create_dhparams(self):
|
|
with tutils.tmpdir() as d:
|
|
filename = os.path.join(d, "dhparam.pem")
|
|
certs.CertStore.load_dhparam(filename)
|
|
assert os.path.exists(filename)
|
|
|
|
|
|
class TestTCPClient:
|
|
|
|
def test_conerr(self):
|
|
c = tcp.TCPClient(("127.0.0.1", 0))
|
|
tutils.raises(exceptions.TcpException, c.connect)
|
|
|
|
|
|
class TestFileLike:
|
|
|
|
def test_blocksize(self):
|
|
s = BytesIO(b"1234567890abcdefghijklmnopqrstuvwxyz")
|
|
s = tcp.Reader(s)
|
|
s.BLOCKSIZE = 2
|
|
assert s.read(1) == b"1"
|
|
assert s.read(2) == b"23"
|
|
assert s.read(3) == b"456"
|
|
assert s.read(4) == b"7890"
|
|
d = s.read(-1)
|
|
assert d.startswith(b"abc") and d.endswith(b"xyz")
|
|
|
|
def test_wrap(self):
|
|
s = BytesIO(b"foobar\nfoobar")
|
|
s.flush()
|
|
s = tcp.Reader(s)
|
|
assert s.readline() == b"foobar\n"
|
|
assert s.readline() == b"foobar"
|
|
# Test __getattr__
|
|
assert s.isatty
|
|
|
|
def test_limit(self):
|
|
s = BytesIO(b"foobar\nfoobar")
|
|
s = tcp.Reader(s)
|
|
assert s.readline(3) == b"foo"
|
|
|
|
def test_limitless(self):
|
|
s = BytesIO(b"f" * (50 * 1024))
|
|
s = tcp.Reader(s)
|
|
ret = s.read(-1)
|
|
assert len(ret) == 50 * 1024
|
|
|
|
def test_readlog(self):
|
|
s = BytesIO(b"foobar\nfoobar")
|
|
s = tcp.Reader(s)
|
|
assert not s.is_logging()
|
|
s.start_log()
|
|
assert s.is_logging()
|
|
s.readline()
|
|
assert s.get_log() == b"foobar\n"
|
|
s.read(1)
|
|
assert s.get_log() == b"foobar\nf"
|
|
s.start_log()
|
|
assert s.get_log() == b""
|
|
s.read(1)
|
|
assert s.get_log() == b"o"
|
|
s.stop_log()
|
|
tutils.raises(ValueError, s.get_log)
|
|
|
|
def test_writelog(self):
|
|
s = BytesIO()
|
|
s = tcp.Writer(s)
|
|
s.start_log()
|
|
assert s.is_logging()
|
|
s.write(b"x")
|
|
assert s.get_log() == b"x"
|
|
s.write(b"x")
|
|
assert s.get_log() == b"xx"
|
|
|
|
def test_writer_flush_error(self):
|
|
s = BytesIO()
|
|
s = tcp.Writer(s)
|
|
o = mock.MagicMock()
|
|
o.flush = mock.MagicMock(side_effect=socket.error)
|
|
s.o = o
|
|
tutils.raises(exceptions.TcpDisconnect, s.flush)
|
|
|
|
def test_reader_read_error(self):
|
|
s = BytesIO(b"foobar\nfoobar")
|
|
s = tcp.Reader(s)
|
|
o = mock.MagicMock()
|
|
o.read = mock.MagicMock(side_effect=socket.error)
|
|
s.o = o
|
|
tutils.raises(exceptions.TcpDisconnect, s.read, 10)
|
|
|
|
def test_reset_timestamps(self):
|
|
s = BytesIO(b"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 = BytesIO(b"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 = BytesIO(b"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
|
|
|
|
def test_read_ssl_error(self):
|
|
s = mock.MagicMock()
|
|
s.read = mock.MagicMock(side_effect=SSL.Error())
|
|
s = tcp.Reader(s)
|
|
tutils.raises(exceptions.TlsException, s.read, 1)
|
|
|
|
def test_read_syscall_ssl_error(self):
|
|
s = mock.MagicMock()
|
|
s.read = mock.MagicMock(side_effect=SSL.SysCallError())
|
|
s = tcp.Reader(s)
|
|
tutils.raises(exceptions.TlsException, s.read, 1)
|
|
|
|
def test_reader_readline_disconnect(self):
|
|
o = mock.MagicMock()
|
|
o.read = mock.MagicMock(side_effect=socket.error)
|
|
s = tcp.Reader(o)
|
|
tutils.raises(exceptions.TcpDisconnect, s.readline, 10)
|
|
|
|
def test_reader_incomplete_error(self):
|
|
s = BytesIO(b"foobar")
|
|
s = tcp.Reader(s)
|
|
tutils.raises(exceptions.TcpReadIncomplete, s.safe_read, 10)
|
|
|
|
|
|
class TestPeek(tservers.ServerTestBase):
|
|
handler = EchoHandler
|
|
|
|
def _connect(self, c):
|
|
return c.connect()
|
|
|
|
def test_peek(self):
|
|
testval = b"peek!\n"
|
|
c = tcp.TCPClient(("127.0.0.1", self.port))
|
|
with self._connect(c):
|
|
c.wfile.write(testval)
|
|
c.wfile.flush()
|
|
|
|
assert c.rfile.peek(4) == b"peek"
|
|
assert c.rfile.peek(6) == b"peek!\n"
|
|
assert c.rfile.readline() == testval
|
|
|
|
c.close()
|
|
with tutils.raises(exceptions.NetlibException):
|
|
if c.rfile.peek(1) == b"":
|
|
# Workaround for Python 2 on Unix:
|
|
# Peeking a closed connection does not raise an exception here.
|
|
raise exceptions.NetlibException()
|
|
|
|
|
|
class TestPeekSSL(TestPeek):
|
|
ssl = True
|
|
|
|
def _connect(self, c):
|
|
with c.connect() as conn:
|
|
c.convert_to_ssl()
|
|
return conn.pop()
|
|
|
|
|
|
class TestAddress:
|
|
def test_simple(self):
|
|
a = tcp.Address(("localhost", 80), True)
|
|
assert a.use_ipv6
|
|
b = tcp.Address(("foo.com", 80), True)
|
|
assert not a == b
|
|
c = tcp.Address(("localhost", 80), True)
|
|
assert a == c
|
|
assert not a != c
|
|
assert repr(a) == "localhost:80"
|
|
|
|
|
|
class TestSSLKeyLogger(tservers.ServerTestBase):
|
|
handler = EchoHandler
|
|
ssl = dict(
|
|
cipher_list="AES256-SHA"
|
|
)
|
|
|
|
def test_log(self):
|
|
testval = b"echo!\n"
|
|
_logfun = tcp.log_ssl_key
|
|
|
|
with tutils.tmpdir() as d:
|
|
logfile = os.path.join(d, "foo", "bar", "logfile")
|
|
tcp.log_ssl_key = tcp.SSLKeyLogger(logfile)
|
|
|
|
c = tcp.TCPClient(("127.0.0.1", self.port))
|
|
with c.connect():
|
|
c.convert_to_ssl()
|
|
c.wfile.write(testval)
|
|
c.wfile.flush()
|
|
assert c.rfile.readline() == testval
|
|
c.finish()
|
|
|
|
tcp.log_ssl_key.close()
|
|
with open(logfile, "rb") as f:
|
|
assert f.read().count(b"CLIENT_RANDOM") == 2
|
|
|
|
tcp.log_ssl_key = _logfun
|
|
|
|
def test_create_logfun(self):
|
|
assert isinstance(
|
|
tcp.SSLKeyLogger.create_logfun("test"),
|
|
tcp.SSLKeyLogger)
|
|
assert not tcp.SSLKeyLogger.create_logfun(False)
|