1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
from __future__ import absolute_import
import copy
import os
from netlib import tcp, certutils
from .. import stateobject, utils
class ClientConnection(tcp.BaseHandler, stateobject.StateObject):
def __init__(self, client_connection, address, server):
# Eventually, this object is restored from state. We don't have a
# connection then.
if client_connection:
super(ClientConnection, self).__init__(client_connection, address, server)
else:
self.connection = None
self.server = None
self.wfile = None
self.rfile = None
self.address = None
self.clientcert = None
self.ssl_established = None
self.timestamp_start = utils.timestamp()
self.timestamp_end = None
self.timestamp_ssl_setup = None
self.protocol = None
def __nonzero__(self):
return bool(self.connection) and not self.finished
def __repr__(self):
return "<ClientConnection: {ssl}{host}:{port}>".format(
ssl="[ssl] " if self.ssl_established else "",
host=self.address.host,
port=self.address.port
)
@property
def tls_established(self):
return self.ssl_established
_stateobject_attributes = dict(
ssl_established=bool,
timestamp_start=float,
timestamp_end=float,
timestamp_ssl_setup=float
)
def get_state(self, short=False):
d = super(ClientConnection, self).get_state(short)
d.update(
address={
"address": self.address(),
"use_ipv6": self.address.use_ipv6},
clientcert=self.cert.to_pem() if self.clientcert else None)
return d
def load_state(self, state):
super(ClientConnection, self).load_state(state)
self.address = tcp.Address(
**state["address"]) if state["address"] else None
self.clientcert = certutils.SSLCert.from_pem(
state["clientcert"]) if state["clientcert"] else None
def copy(self):
return copy.copy(self)
def send(self, message):
if isinstance(message, list):
message = b''.join(message)
self.wfile.write(message)
self.wfile.flush()
@classmethod
def from_state(cls, state):
f = cls(None, tuple(), None)
f.load_state(state)
return f
def convert_to_ssl(self, *args, **kwargs):
super(ClientConnection, self).convert_to_ssl(*args, **kwargs)
self.timestamp_ssl_setup = utils.timestamp()
def finish(self):
super(ClientConnection, self).finish()
self.timestamp_end = utils.timestamp()
class ServerConnection(tcp.TCPClient, stateobject.StateObject):
def __init__(self, address):
tcp.TCPClient.__init__(self, address)
self.via = None
self.timestamp_start = None
self.timestamp_end = None
self.timestamp_tcp_setup = None
self.timestamp_ssl_setup = None
self.protocol = None
def __nonzero__(self):
return bool(self.connection) and not self.finished
def __repr__(self):
if self.ssl_established and self.sni:
ssl = "[ssl: {0}] ".format(self.sni)
elif self.ssl_established:
ssl = "[ssl] "
else:
ssl = ""
return "<ServerConnection: {ssl}{host}:{port}>".format(
ssl=ssl,
host=self.address.host,
port=self.address.port
)
@property
def tls_established(self):
return self.ssl_established
_stateobject_attributes = dict(
timestamp_start=float,
timestamp_end=float,
timestamp_tcp_setup=float,
timestamp_ssl_setup=float,
address=tcp.Address,
source_address=tcp.Address,
cert=certutils.SSLCert,
ssl_established=bool,
sni=str
)
_stateobject_long_attributes = {"cert"}
def get_state(self, short=False):
d = super(ServerConnection, self).get_state(short)
d.update(
address={"address": self.address(),
"use_ipv6": self.address.use_ipv6},
source_address=({"address": self.source_address(),
"use_ipv6": self.source_address.use_ipv6} if self.source_address else None),
cert=self.cert.to_pem() if self.cert else None
)
return d
def load_state(self, state):
super(ServerConnection, self).load_state(state)
self.address = tcp.Address(
**state["address"]) if state["address"] else None
self.source_address = tcp.Address(
**state["source_address"]) if state["source_address"] else None
self.cert = certutils.SSLCert.from_pem(
state["cert"]) if state["cert"] else None
@classmethod
def from_state(cls, state):
f = cls(tuple())
f.load_state(state)
return f
def copy(self):
return copy.copy(self)
def connect(self):
self.timestamp_start = utils.timestamp()
tcp.TCPClient.connect(self)
self.timestamp_tcp_setup = utils.timestamp()
def send(self, message):
if isinstance(message, list):
message = b''.join(message)
self.wfile.write(message)
self.wfile.flush()
def establish_ssl(self, clientcerts, sni, **kwargs):
clientcert = None
if clientcerts:
path = os.path.join(
clientcerts,
self.address.host.encode("idna")) + ".pem"
if os.path.exists(path):
clientcert = path
self.convert_to_ssl(cert=clientcert, sni=sni, **kwargs)
self.sni = sni
self.timestamp_ssl_setup = utils.timestamp()
def finish(self):
tcp.TCPClient.finish(self)
self.timestamp_end = utils.timestamp()
ServerConnection._stateobject_attributes["via"] = ServerConnection
|
