/usr/share/pyshared/gevent/sslold.py is in python-gevent 0.13.6-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | """OpenSSL-based implementation of SSLObject.
.. warning::
This module is deprecated. Use :mod:`ssl <gevent.ssl>` instead.
"""
from OpenSSL import SSL
from gevent.socket import socket, _fileobject, __socket__, error, timeout, EWOULDBLOCK
from gevent.socket import wait_read, wait_write, timeout_default
import sys
__all__ = ['ssl', 'sslerror']
import warnings
warnings.warn("gevent.sslold is deprecated; use gevent.ssl instead (install ssl package from PyPI)", DeprecationWarning, stacklevel=2)
try:
sslerror = __socket__.sslerror
except AttributeError:
class sslerror(error):
pass
class SSLObject(socket):
def __init__(self, sock, server_side=False):
socket.__init__(self, _sock=sock)
self._makefile_refs = 0
if server_side:
self._sock.set_accept_state()
else:
self._sock.set_connect_state()
def __getattr__(self, item):
assert item != '_sock', item
# since socket no longer implements __getattr__ let's do it here
# even though it's not good for the same reasons it was not good on socket instances
# (it confuses sublcasses)
return getattr(self._sock, item)
def _formatinfo(self):
return socket._formatinfo(self) + ' state_string=%r' % self._sock.state_string()
def accept(self):
sock, addr = socket.accept(self)
client = SSLObject(sock._sock, server_side=True)
client.do_handshake()
return client, addr
def do_handshake(self):
while True:
try:
self._sock.do_handshake()
break
except SSL.WantReadError:
sys.exc_clear()
wait_read(self.fileno())
except SSL.WantWriteError:
sys.exc_clear()
wait_write(self.fileno())
except SSL.SysCallError, ex:
raise sslerror(SysCallError_code_mapping.get(ex.args[0], ex.args[0]), ex.args[1])
except SSL.Error, ex:
raise sslerror(str(ex))
def connect(self, *args):
socket.connect(self, *args)
self.do_handshake()
def send(self, data, flags=0, timeout=timeout_default):
if timeout is timeout_default:
timeout = self.timeout
while True:
try:
return self._sock.send(data, flags)
except SSL.WantWriteError, ex:
if self.timeout == 0.0:
raise timeout(str(ex))
else:
sys.exc_clear()
wait_write(self.fileno(), timeout=timeout)
except SSL.WantReadError, ex:
if self.timeout == 0.0:
raise timeout(str(ex))
else:
sys.exc_clear()
wait_read(self.fileno(), timeout=timeout)
except SSL.SysCallError, ex:
if ex[0] == -1 and data == "":
# errors when writing empty strings are expected and can be ignored
return 0
raise sslerror(SysCallError_code_mapping.get(ex.args[0], ex.args[0]), ex.args[1])
except SSL.Error, ex:
raise sslerror(str(ex))
def recv(self, buflen):
pending = self._sock.pending()
if pending:
return self._sock.recv(min(pending, buflen))
while True:
try:
return self._sock.recv(buflen)
except SSL.WantReadError, ex:
if self.timeout == 0.0:
raise timeout(str(ex))
else:
sys.exc_clear()
wait_read(self.fileno(), timeout=self.timeout)
except SSL.WantWriteError, ex:
if self.timeout == 0.0:
raise timeout(str(ex))
else:
sys.exc_clear()
wait_read(self.fileno(), timeout=self.timeout)
except SSL.ZeroReturnError:
return ''
except SSL.SysCallError, ex:
raise sslerror(SysCallError_code_mapping.get(ex.args[0], ex.args[0]), ex.args[1])
except SSL.Error, ex:
raise sslerror(str(ex))
def read(self, buflen=1024):
"""
NOTE: read() in SSLObject does not have the semantics of file.read
reading here until we have buflen bytes or hit EOF is an error
"""
return self.recv(buflen)
def write(self, data):
try:
return self.sendall(data)
except SSL.Error, ex:
raise sslerror(str(ex))
def makefile(self, mode='r', bufsize=-1):
self._makefile_refs += 1
return _fileobject(self, mode, bufsize, close=True)
def close(self):
if self._makefile_refs < 1:
self._sock.shutdown()
# QQQ wait until shutdown completes?
socket.close(self)
else:
self._makefile_refs -= 1
SysCallError_code_mapping = {-1: 8}
def ssl(sock, keyfile=None, certfile=None):
context = SSL.Context(SSL.SSLv23_METHOD)
if certfile is not None:
context.use_certificate_file(certfile)
if keyfile is not None:
context.use_privatekey_file(keyfile)
context.set_verify(SSL.VERIFY_NONE, lambda *x: True)
timeout = sock.gettimeout()
try:
sock = sock._sock
except AttributeError:
pass
connection = SSL.Connection(context, sock)
ssl_sock = SSLObject(connection)
ssl_sock.settimeout(timeout)
try:
sock.getpeername()
except Exception:
# no, no connection yet
pass
else:
# yes, do the handshake
ssl_sock.do_handshake()
return ssl_sock
def wrap_socket(sock, keyfile=None, certfile=None,
server_side=None, cert_reqs=None,
ssl_version=None, ca_certs=None,
do_handshake_on_connect=None,
suppress_ragged_eofs=None):
"""Create a new :class:`SSLObject` instance.
For compatibility with :mod:`gevent.ssl` the function accepts all the arguments that :func:`gevent.ssl.wrap_socket`
accepts. However, it only understands what *sock*, *keyfile* and *certfile* mean, so it will raise
:exc:`ImportError` if you pass anything else.
"""
for arg in ['cert_reqs', 'ssl_version', 'ca_certs', 'do_handshake_on_connect', 'suppress_ragged_eofs']:
if locals()[arg] is not None:
raise TypeError('To use argument %r install ssl package: http://pypi.python.org/pypi/ssl' % arg)
return ssl(sock, keyfile=keyfile, certfile=certfile)
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