Exemple #1
0
"""
abstraction layer over OS-depenedent byte streams
"""
import sys
import os
import socket
import time
import errno
from select import select
from rpyc.utils.lib import safe_import
win32file = safe_import("win32file")
win32pipe = safe_import("win32pipe")
msvcrt = safe_import("msvcrt")


retry_errnos = set([errno.EAGAIN])
if hasattr(errno, "WSAEWOULDBLOCK"):
    retry_errnos.add(errno.WSAEWOULDBLOCK)


class Stream(object):
    __slots__ = ()
    def close(self):
        raise NotImplementedError()
    @property
    def closed(self):
        raise NotImplementedError()
    def fileno(self):
        raise NotImplementedError()
    def poll(self, timeout):
        """indicate whether the stream has data to read"""
Exemple #2
0
encrypts the transport.

the credentials returned alongside with the new socket can be any object.
it will be stored in the rpyc connection configruation under the key
"credentials", and may be used later by the service logic. if no credentials
are applicable, just return None as in the example above.

rpyc includes integration with tlslite, a TLS/SSL library:
the VdbAuthenticator class authenticates clients based on username-password 
pairs.
"""
import os
import anydbm
from rpyc.utils.lib import safe_import

tlsapi = safe_import("tlslite.api")


class AuthenticationError(Exception):
    pass


def _load_vdb_with_mode(vdb, mode):
    """taken from tlslite/BaseDB.py -- patched for file mode"""
    # {{
    db = anydbm.open(vdb.filename, mode)
    try:
        if db["--Reserved--type"] != vdb.type:
            raise ValueError("Not a %s database" % (vdb.type, ))
    except KeyError:
        raise ValueError("Not a recognized database")
Exemple #3
0
authenticate the client and return a TLS/SSL-wrapped socket object that 
encrypts the transport.

the credentials returned alongside with the new socket can be any object.
it will be stored in the rpyc connection configruation under the key
"credentials", and may be used later by the service logic. if no credentials
are applicable, just return None as in the example above.

rpyc includes integration with tlslite, a TLS/SSL library:
the VdbAuthenticator class authenticates clients based on username-password 
pairs.
"""
import os
import anydbm
from rpyc.utils.lib import safe_import
tlsapi = safe_import("tlslite.api")


class AuthenticationError(Exception):
    pass


def _load_vdb_with_mode(vdb, mode):
    """taken from tlslite/BaseDB.py -- patched for file mode""" 
    # {{
    db = anydbm.open(vdb.filename, mode)
    try:
        if db["--Reserved--type"] != vdb.type:
            raise ValueError("Not a %s database" % (vdb.type,))
    except KeyError:
        raise ValueError("Not a recognized database")