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# -*- mode: python; coding: utf-8 -*-
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# -*- mode: python; after-save-hook: (lambda () (let ((command (if (fboundp 'file-local-name) (file-local-name (buffer-file-name)) (or (file-remote-p (buffer-file-name) 'localname) (buffer-file-name))))) (if (= (progn (if (get-buffer "*Test*") (kill-buffer "*Test*")) (process-file-shell-command (format "%s --check" (shell-quote-argument command)) nil "*Test*")) 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w))) (progn (with-current-buffer "*Test*" (compilation-mode)) (display-buffer "*Test*" '(display-buffer-in-side-window)))))); coding: utf-8 -*-
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# Mandos server - give out binary blobs to connecting clients.
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# This program is partly derived from an example program for an Avahi
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# service publisher, downloaded from
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# <http://avahi.org/wiki/PythonPublishExample>. This includes the
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# methods "add", "remove", "server_state_changed",
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# "entry_group_state_changed", "cleanup", and "activate" in the
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# "AvahiService" class, and some lines in "main".
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# Everything else is
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# Copyright © 2008-2016 Teddy Hogeborn
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# Copyright © 2008-2016 Björn Påhlsson
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# Copyright © 2008-2019 Teddy Hogeborn
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# Copyright © 2008-2019 Björn Påhlsson
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# This file is part of Mandos.
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# Mandos is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# Mandos is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
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# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
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# Contact the authors at <mandos@recompile.se>.
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from __future__ import (division, absolute_import, print_function,
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'--passphrase-file',
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+ self.gnupgargs,
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stdin = subprocess.PIPE,
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stdout = subprocess.PIPE,
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stderr = subprocess.PIPE)
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ciphertext, err = proc.communicate(input = data)
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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ciphertext, err = proc.communicate(input=data)
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if proc.returncode != 0:
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raise PGPError(err)
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return ciphertext
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def decrypt(self, data, password):
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passphrase = self.password_encode(password)
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with tempfile.NamedTemporaryFile(
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dir = self.tempdir) as passfile:
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dir=self.tempdir) as passfile:
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passfile.write(passphrase)
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proc = subprocess.Popen([self.gpg, '--decrypt',
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'--passphrase-file',
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+ self.gnupgargs,
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stdin = subprocess.PIPE,
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stdout = subprocess.PIPE,
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stderr = subprocess.PIPE)
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decrypted_plaintext, err = proc.communicate(input = data)
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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decrypted_plaintext, err = proc.communicate(input=data)
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if proc.returncode != 0:
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raise PGPError(err)
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return decrypted_plaintext
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# Pretend that we have an Avahi module
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"""This isn't so much a class as it is a module-like namespace.
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It is instantiated once, and simulates having an Avahi module."""
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IF_UNSPEC = -1 # avahi-common/address.h
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PROTO_UNSPEC = -1 # avahi-common/address.h
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PROTO_INET = 0 # avahi-common/address.h
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PROTO_INET6 = 1 # avahi-common/address.h
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"""This isn't so much a class as it is a module-like namespace."""
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IF_UNSPEC = -1 # avahi-common/address.h
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PROTO_UNSPEC = -1 # avahi-common/address.h
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PROTO_INET = 0 # avahi-common/address.h
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PROTO_INET6 = 1 # avahi-common/address.h
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DBUS_NAME = "org.freedesktop.Avahi"
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DBUS_INTERFACE_ENTRY_GROUP = DBUS_NAME + ".EntryGroup"
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DBUS_INTERFACE_SERVER = DBUS_NAME + ".Server"
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DBUS_PATH_SERVER = "/"
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def string_array_to_txt_array(self, t):
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def string_array_to_txt_array(t):
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return dbus.Array((dbus.ByteArray(s.encode("utf-8"))
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for s in t), signature="ay")
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ENTRY_GROUP_ESTABLISHED = 2 # avahi-common/defs.h
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ENTRY_GROUP_COLLISION = 3 # avahi-common/defs.h
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ENTRY_GROUP_FAILURE = 4 # avahi-common/defs.h
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SERVER_INVALID = 0 # avahi-common/defs.h
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SERVER_REGISTERING = 1 # avahi-common/defs.h
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SERVER_RUNNING = 2 # avahi-common/defs.h
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SERVER_COLLISION = 3 # avahi-common/defs.h
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SERVER_FAILURE = 4 # avahi-common/defs.h
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ENTRY_GROUP_ESTABLISHED = 2 # avahi-common/defs.h
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ENTRY_GROUP_COLLISION = 3 # avahi-common/defs.h
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ENTRY_GROUP_FAILURE = 4 # avahi-common/defs.h
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SERVER_INVALID = 0 # avahi-common/defs.h
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SERVER_REGISTERING = 1 # avahi-common/defs.h
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SERVER_RUNNING = 2 # avahi-common/defs.h
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SERVER_COLLISION = 3 # avahi-common/defs.h
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SERVER_FAILURE = 4 # avahi-common/defs.h
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class AvahiError(Exception):
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def __init__(self, value, *args, **kwargs):
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class AvahiServiceToSyslog(AvahiService):
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def rename(self, *args, **kwargs):
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"""Add the new name to the syslog messages"""
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ret = AvahiService.rename(self, *args, **kwargs)
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ret = super(AvahiServiceToSyslog, self).rename(*args, **kwargs)
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syslogger.setFormatter(logging.Formatter(
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'Mandos ({}) [%(process)d]: %(levelname)s: %(message)s'
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.format(self.name)))
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# Pretend that we have a GnuTLS module
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class GnuTLS(object):
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"""This isn't so much a class as it is a module-like namespace.
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It is instantiated once, and simulates having a GnuTLS module."""
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_library = ctypes.cdll.LoadLibrary(
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ctypes.util.find_library("gnutls"))
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_need_version = b"3.3.0"
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# Need to use class name "GnuTLS" here, since this method is
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# called before the assignment to the "gnutls" global variable
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if GnuTLS.check_version(self._need_version) is None:
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raise GnuTLS.Error("Needs GnuTLS {} or later"
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.format(self._need_version))
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"""This isn't so much a class as it is a module-like namespace."""
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library = ctypes.util.find_library("gnutls")
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library = ctypes.util.find_library("gnutls-deb0")
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_library = ctypes.cdll.LoadLibrary(library)
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# Unless otherwise indicated, the constants and types below are
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# all from the gnutls/gnutls.h C header file.
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E_INTERRUPTED = -52
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CRD_CERTIFICATE = 1
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E_NO_CERTIFICATE_FOUND = -49
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KEYID_USE_SHA256 = 1 # gnutls/x509.h
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OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h
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class session_int(ctypes.Structure):
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session_t = ctypes.POINTER(session_int)
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class certificate_credentials_st(ctypes.Structure):
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certificate_credentials_t = ctypes.POINTER(
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certificate_credentials_st)
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certificate_type_t = ctypes.c_int
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class datum_t(ctypes.Structure):
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_fields_ = [('data', ctypes.POINTER(ctypes.c_ubyte)),
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('size', ctypes.c_uint)]
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class openpgp_crt_int(ctypes.Structure):
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openpgp_crt_t = ctypes.POINTER(openpgp_crt_int)
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openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h
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openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h
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log_func = ctypes.CFUNCTYPE(None, ctypes.c_int, ctypes.c_char_p)
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credentials_type_t = ctypes.c_int
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transport_ptr_t = ctypes.c_void_p
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close_request_t = ctypes.c_int
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class Error(Exception):
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# We need to use the class name "GnuTLS" here, since this
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# exception might be raised from within GnuTLS.__init__,
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# which is called before the assignment to the "gnutls"
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# global variable has happened.
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def __init__(self, message = None, code = None, args=()):
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def __init__(self, message=None, code=None, args=()):
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# Default usage is by a message string, but if a return
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# code is passed, convert it to a string with
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# gnutls.strerror()
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if message is None and code is not None:
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message = GnuTLS.strerror(code)
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return super(GnuTLS.Error, self).__init__(
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message = gnutls.strerror(code)
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return super(gnutls.Error, self).__init__(
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class CertificateSecurityError(Error):
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class Credentials(object):
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def __init__(self):
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self._c_object = gnutls.certificate_credentials_t()
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gnutls.certificate_allocate_credentials(
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ctypes.byref(self._c_object))
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self.type = gnutls.CRD_CERTIFICATE
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def __del__(self):
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gnutls.certificate_free_credentials(self._c_object)
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class ClientSession(object):
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def __init__(self, socket, credentials = None):
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def __init__(self, socket, credentials=None):
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self._c_object = gnutls.session_t()
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gnutls.init(ctypes.byref(self._c_object), gnutls.CLIENT)
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gnutls_flags = gnutls.CLIENT
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if gnutls.check_version(b"3.5.6"):
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gnutls_flags |= gnutls.NO_TICKETS
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gnutls_flags |= gnutls.ENABLE_RAWPK
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gnutls.init(ctypes.byref(self._c_object), gnutls_flags)
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gnutls.set_default_priority(self._c_object)
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gnutls.transport_set_ptr(self._c_object, socket.fileno())
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gnutls.handshake_set_private_extensions(self._c_object,
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return _error_code(result)
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result = func(*arguments)
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# Unless otherwise indicated, the function declarations below are
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# all from the gnutls/gnutls.h C header file.
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priority_set_direct = _library.gnutls_priority_set_direct
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priority_set_direct.argtypes = [session_t, ctypes.c_char_p,
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ctypes.POINTER(ctypes.c_char_p)]
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priority_set_direct.restype = _error_code
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init = _library.gnutls_init
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init.argtypes = [ctypes.POINTER(session_t), ctypes.c_int]
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init.restype = _error_code
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set_default_priority = _library.gnutls_set_default_priority
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set_default_priority.argtypes = [session_t]
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set_default_priority.restype = _error_code
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record_send = _library.gnutls_record_send
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record_send.argtypes = [session_t, ctypes.c_void_p,
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record_send.restype = ctypes.c_ssize_t
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record_send.errcheck = _retry_on_error
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certificate_allocate_credentials = (
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_library.gnutls_certificate_allocate_credentials)
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certificate_allocate_credentials.argtypes = [
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ctypes.POINTER(certificate_credentials_t)]
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certificate_allocate_credentials.restype = _error_code
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certificate_free_credentials = (
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_library.gnutls_certificate_free_credentials)
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certificate_free_credentials.argtypes = [certificate_credentials_t]
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certificate_free_credentials.argtypes = [
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certificate_credentials_t]
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certificate_free_credentials.restype = None
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handshake_set_private_extensions = (
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_library.gnutls_handshake_set_private_extensions)
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handshake_set_private_extensions.argtypes = [session_t,
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handshake_set_private_extensions.restype = None
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credentials_set = _library.gnutls_credentials_set
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credentials_set.argtypes = [session_t, credentials_type_t,
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credentials_set.restype = _error_code
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strerror = _library.gnutls_strerror
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strerror.argtypes = [ctypes.c_int]
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strerror.restype = ctypes.c_char_p
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certificate_type_get = _library.gnutls_certificate_type_get
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certificate_type_get.argtypes = [session_t]
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certificate_type_get.restype = _error_code
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certificate_get_peers = _library.gnutls_certificate_get_peers
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certificate_get_peers.argtypes = [session_t,
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ctypes.POINTER(ctypes.c_uint)]
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certificate_get_peers.restype = ctypes.POINTER(datum_t)
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global_set_log_level = _library.gnutls_global_set_log_level
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global_set_log_level.argtypes = [ctypes.c_int]
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global_set_log_level.restype = None
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global_set_log_function = _library.gnutls_global_set_log_function
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global_set_log_function.argtypes = [log_func]
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global_set_log_function.restype = None
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deinit = _library.gnutls_deinit
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deinit.argtypes = [session_t]
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deinit.restype = None
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handshake = _library.gnutls_handshake
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handshake.argtypes = [session_t]
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handshake.restype = _error_code
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handshake.errcheck = _retry_on_error
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transport_set_ptr = _library.gnutls_transport_set_ptr
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transport_set_ptr.argtypes = [session_t, transport_ptr_t]
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transport_set_ptr.restype = None
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bye = _library.gnutls_bye
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bye.argtypes = [session_t, close_request_t]
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bye.restype = _error_code
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bye.errcheck = _retry_on_error
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check_version = _library.gnutls_check_version
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check_version.argtypes = [ctypes.c_char_p]
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check_version.restype = ctypes.c_char_p
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# All the function declarations below are from gnutls/openpgp.h
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openpgp_crt_init = _library.gnutls_openpgp_crt_init
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openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]
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openpgp_crt_init.restype = _error_code
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openpgp_crt_import = _library.gnutls_openpgp_crt_import
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openpgp_crt_import.argtypes = [openpgp_crt_t,
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ctypes.POINTER(datum_t),
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openpgp_crt_import.restype = _error_code
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openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self
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openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,
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ctypes.POINTER(ctypes.c_uint)]
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openpgp_crt_verify_self.restype = _error_code
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openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit
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openpgp_crt_deinit.argtypes = [openpgp_crt_t]
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openpgp_crt_deinit.restype = None
743
openpgp_crt_get_fingerprint = (
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_library.gnutls_openpgp_crt_get_fingerprint)
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openpgp_crt_get_fingerprint.argtypes = [openpgp_crt_t,
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openpgp_crt_get_fingerprint.restype = _error_code
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_need_version = b"3.3.0"
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if check_version(_need_version) is None:
748
raise self.Error("Needs GnuTLS {} or later"
749
.format(_need_version))
751
_tls_rawpk_version = b"3.6.6"
752
has_rawpk = bool(check_version(_tls_rawpk_version))
756
class pubkey_st(ctypes.Structure):
758
pubkey_t = ctypes.POINTER(pubkey_st)
760
x509_crt_fmt_t = ctypes.c_int
762
# All the function declarations below are from gnutls/abstract.h
763
pubkey_init = _library.gnutls_pubkey_init
764
pubkey_init.argtypes = [ctypes.POINTER(pubkey_t)]
765
pubkey_init.restype = _error_code
767
pubkey_import = _library.gnutls_pubkey_import
768
pubkey_import.argtypes = [pubkey_t, ctypes.POINTER(datum_t),
770
pubkey_import.restype = _error_code
772
pubkey_get_key_id = _library.gnutls_pubkey_get_key_id
773
pubkey_get_key_id.argtypes = [pubkey_t, ctypes.c_int,
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ctypes.POINTER(ctypes.c_ubyte),
775
ctypes.POINTER(ctypes.c_size_t)]
776
pubkey_get_key_id.restype = _error_code
778
pubkey_deinit = _library.gnutls_pubkey_deinit
779
pubkey_deinit.argtypes = [pubkey_t]
780
pubkey_deinit.restype = None
782
# All the function declarations below are from gnutls/openpgp.h
784
openpgp_crt_init = _library.gnutls_openpgp_crt_init
785
openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]
786
openpgp_crt_init.restype = _error_code
788
openpgp_crt_import = _library.gnutls_openpgp_crt_import
789
openpgp_crt_import.argtypes = [openpgp_crt_t,
790
ctypes.POINTER(datum_t),
792
openpgp_crt_import.restype = _error_code
794
openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self
795
openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,
796
ctypes.POINTER(ctypes.c_uint)]
797
openpgp_crt_verify_self.restype = _error_code
799
openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit
800
openpgp_crt_deinit.argtypes = [openpgp_crt_t]
801
openpgp_crt_deinit.restype = None
803
openpgp_crt_get_fingerprint = (
804
_library.gnutls_openpgp_crt_get_fingerprint)
805
openpgp_crt_get_fingerprint.argtypes = [openpgp_crt_t,
809
openpgp_crt_get_fingerprint.restype = _error_code
811
if check_version(b"3.6.4"):
812
certificate_type_get2 = _library.gnutls_certificate_type_get2
813
certificate_type_get2.argtypes = [session_t, ctypes.c_int]
814
certificate_type_get2.restype = _error_code
751
816
# Remove non-public functions
752
817
del _error_code, _retry_on_error
753
# Create the global "gnutls" object, simulating a module
756
820
def call_pipe(connection, # : multiprocessing.Connection
757
821
func, *args, **kwargs):
758
822
"""This function is meant to be called by multiprocessing.Process
760
824
This function runs func(*args, **kwargs), and writes the resulting
761
825
return value on the provided multiprocessing.Connection.
763
827
connection.send(func(*args, **kwargs))
764
828
connection.close()
766
class Client(object):
767
832
"""A representation of a client host served by this server.
770
835
approved: bool(); 'None' if not yet approved/disapproved
771
836
approval_delay: datetime.timedelta(); Time to wait for approval
772
837
approval_duration: datetime.timedelta(); Duration of one approval
773
checker: subprocess.Popen(); a running checker process used
774
to see if the client lives.
775
'None' if no process is running.
838
checker: multiprocessing.Process(); a running checker process used
839
to see if the client lives. 'None' if no process is
776
841
checker_callback_tag: a GLib event source tag, or None
777
842
checker_command: string; External command which is run to check
778
843
if client lives. %() expansions are done at
1447
1519
exc_info=error)
1448
1520
return xmlstring
1451
1524
dbus.OBJECT_MANAGER_IFACE
1452
1525
except AttributeError:
1453
1526
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
1455
1529
class DBusObjectWithObjectManager(DBusObjectWithAnnotations):
1456
1530
"""A D-Bus object with an ObjectManager.
1458
1532
Classes inheriting from this exposes the standard
1459
1533
GetManagedObjects call and the InterfacesAdded and
1460
1534
InterfacesRemoved signals on the standard
1461
1535
"org.freedesktop.DBus.ObjectManager" interface.
1463
1537
Note: No signals are sent automatically; they must be sent
1466
1540
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
1467
out_signature = "a{oa{sa{sv}}}")
1541
out_signature="a{oa{sa{sv}}}")
1468
1542
def GetManagedObjects(self):
1469
1543
"""This function must be overridden"""
1470
1544
raise NotImplementedError()
1472
1546
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE,
1473
signature = "oa{sa{sv}}")
1547
signature="oa{sa{sv}}")
1474
1548
def InterfacesAdded(self, object_path, interfaces_and_properties):
1477
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE, signature = "oas")
1551
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE, signature="oas")
1478
1552
def InterfacesRemoved(self, object_path, interfaces):
1481
1555
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1482
out_signature = "s",
1483
path_keyword = 'object_path',
1484
connection_keyword = 'connection')
1557
path_keyword='object_path',
1558
connection_keyword='connection')
1485
1559
def Introspect(self, object_path, connection):
1486
1560
"""Overloading of standard D-Bus method.
1488
1562
Override return argument name of GetManagedObjects to be
1489
1563
"objpath_interfaces_and_properties"
2365
class MultiprocessingMixIn(object):
2506
class MultiprocessingMixIn:
2366
2507
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
2368
2509
def sub_process_main(self, request, address):
2370
2511
self.finish_request(request, address)
2371
2512
except Exception:
2372
2513
self.handle_error(request, address)
2373
2514
self.close_request(request)
2375
2516
def process_request(self, request, address):
2376
2517
"""Start a new process to process the request."""
2377
proc = multiprocessing.Process(target = self.sub_process_main,
2378
args = (request, address))
2518
proc = multiprocessing.Process(target=self.sub_process_main,
2519
args=(request, address))
2383
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
2524
class MultiprocessingMixInWithPipe(MultiprocessingMixIn):
2384
2525
""" adds a pipe to the MixIn """
2386
2527
def process_request(self, request, client_address):
2387
2528
"""Overrides and wraps the original process_request().
2389
2530
This function creates a new pipe in self.pipe
2391
2532
parent_pipe, self.child_pipe = multiprocessing.Pipe()
2393
2534
proc = MultiprocessingMixIn.process_request(self, request,
2394
2535
client_address)
2395
2536
self.child_pipe.close()
2396
2537
self.add_pipe(parent_pipe, proc)
2398
2539
def add_pipe(self, parent_pipe, proc):
2399
2540
"""Dummy function; override as necessary"""
2400
2541
raise NotImplementedError()
2403
2544
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
2404
socketserver.TCPServer, object):
2545
socketserver.TCPServer):
2405
2546
"""IPv6-capable TCP server. Accepts 'None' as address and/or port
2408
2549
enabled: Boolean; whether this server is activated yet
2409
2550
interface: None or a network interface name (string)
2410
2551
use_ipv6: Boolean; to use IPv6 or not
2413
2554
def __init__(self, server_address, RequestHandlerClass,
2414
2555
interface=None,
2522
2667
self.gnutls_priority = gnutls_priority
2523
2668
IPv6_TCPServer.__init__(self, server_address,
2524
2669
RequestHandlerClass,
2525
interface = interface,
2526
use_ipv6 = use_ipv6,
2527
socketfd = socketfd)
2670
interface=interface,
2529
2674
def server_activate(self):
2530
2675
if self.enabled:
2531
2676
return socketserver.TCPServer.server_activate(self)
2533
2678
def enable(self):
2534
2679
self.enabled = True
2536
2681
def add_pipe(self, parent_pipe, proc):
2537
2682
# Call "handle_ipc" for both data and EOF events
2538
2683
GLib.io_add_watch(
2539
parent_pipe.fileno(),
2540
GLib.IO_IN | GLib.IO_HUP,
2684
GLib.IOChannel.unix_new(parent_pipe.fileno()),
2685
GLib.PRIORITY_DEFAULT, GLib.IO_IN | GLib.IO_HUP,
2541
2686
functools.partial(self.handle_ipc,
2542
parent_pipe = parent_pipe,
2687
parent_pipe=parent_pipe,
2545
2690
def handle_ipc(self, source, condition,
2546
2691
parent_pipe=None,
2548
2693
client_object=None):
2549
2694
# error, or the other end of multiprocessing.Pipe has closed
2550
2695
if condition & (GLib.IO_ERR | GLib.IO_HUP):
2551
2696
# Wait for other process to exit
2555
2700
# Read a request from the child
2556
2701
request = parent_pipe.recv()
2557
2702
command = request[0]
2559
2704
if command == 'init':
2561
address = request[2]
2705
key_id = request[1].decode("ascii")
2706
fpr = request[2].decode("ascii")
2707
address = request[3]
2563
2709
for c in self.clients.values():
2564
if c.fingerprint == fpr:
2710
if key_id == "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855":
2712
if key_id and c.key_id == key_id:
2715
if fpr and c.fingerprint == fpr:
2568
logger.info("Client not found for fingerprint: %s, ad"
2569
"dress: %s", fpr, address)
2719
logger.info("Client not found for key ID: %s, address"
2720
": %s", key_id or fpr, address)
2570
2721
if self.use_dbus:
2571
2722
# Emit D-Bus signal
2572
mandos_dbus_service.ClientNotFound(fpr,
2723
mandos_dbus_service.ClientNotFound(key_id or fpr,
2574
2725
parent_pipe.send(False)
2577
2728
GLib.io_add_watch(
2578
parent_pipe.fileno(),
2579
GLib.IO_IN | GLib.IO_HUP,
2729
GLib.IOChannel.unix_new(parent_pipe.fileno()),
2730
GLib.PRIORITY_DEFAULT, GLib.IO_IN | GLib.IO_HUP,
2580
2731
functools.partial(self.handle_ipc,
2581
parent_pipe = parent_pipe,
2583
client_object = client))
2732
parent_pipe=parent_pipe,
2734
client_object=client))
2584
2735
parent_pipe.send(True)
2585
2736
# remove the old hook in favor of the new above hook on
2603
2754
parent_pipe.send((
2604
2755
'data', client_object.__getattribute__(attrname)))
2606
2757
if command == 'setattr':
2607
2758
attrname = request[1]
2608
2759
value = request[2]
2609
2760
setattr(client_object, attrname, value)
2614
2765
def rfc3339_duration_to_delta(duration):
2615
2766
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
2617
>>> rfc3339_duration_to_delta("P7D")
2618
datetime.timedelta(7)
2619
>>> rfc3339_duration_to_delta("PT60S")
2620
datetime.timedelta(0, 60)
2621
>>> rfc3339_duration_to_delta("PT60M")
2622
datetime.timedelta(0, 3600)
2623
>>> rfc3339_duration_to_delta("PT24H")
2624
datetime.timedelta(1)
2625
>>> rfc3339_duration_to_delta("P1W")
2626
datetime.timedelta(7)
2627
>>> rfc3339_duration_to_delta("PT5M30S")
2628
datetime.timedelta(0, 330)
2629
>>> rfc3339_duration_to_delta("P1DT3M20S")
2630
datetime.timedelta(1, 200)
2768
>>> rfc3339_duration_to_delta("P7D") == datetime.timedelta(7)
2770
>>> rfc3339_duration_to_delta("PT60S") == datetime.timedelta(0, 60)
2772
>>> rfc3339_duration_to_delta("PT60M") == datetime.timedelta(0, 3600)
2774
>>> rfc3339_duration_to_delta("PT24H") == datetime.timedelta(1)
2776
>>> rfc3339_duration_to_delta("P1W") == datetime.timedelta(7)
2778
>>> rfc3339_duration_to_delta("PT5M30S") == datetime.timedelta(0, 330)
2780
>>> rfc3339_duration_to_delta("P1DT3M20S") == datetime.timedelta(1, 200)
2633
2784
# Parsing an RFC 3339 duration with regular expressions is not
2634
2785
# possible - there would have to be multiple places for the same
2635
2786
# values, like seconds. The current code, while more esoteric, is
2636
2787
# cleaner without depending on a parsing library. If Python had a
2637
2788
# built-in library for parsing we would use it, but we'd like to
2638
2789
# avoid excessive use of external libraries.
2640
2791
# New type for defining tokens, syntax, and semantics all-in-one
2641
2792
Token = collections.namedtuple("Token", (
2642
2793
"regexp", # To match token; if "value" is not None, must have
2826
2980
parser.add_argument("--no-zeroconf", action="store_false",
2827
2981
dest="zeroconf", help="Do not use Zeroconf",
2830
2984
options = parser.parse_args()
2834
fail_count, test_count = doctest.testmod()
2835
sys.exit(os.EX_OK if fail_count == 0 else 1)
2837
2986
# Default values for config file for server-global settings
2838
server_defaults = { "interface": "",
2843
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
2844
":+SIGN-DSA-SHA256",
2845
"servicename": "Mandos",
2851
"statedir": "/var/lib/mandos",
2852
"foreground": "False",
2987
if gnutls.has_rawpk:
2988
priority = ("SECURE128:!CTYPE-X.509:+CTYPE-RAWPK:!RSA"
2989
":!VERS-ALL:+VERS-TLS1.3:%PROFILE_ULTRA")
2991
priority = ("SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
2992
":+SIGN-DSA-SHA256")
2993
server_defaults = {"interface": "",
2997
"priority": priority,
2998
"servicename": "Mandos",
3004
"statedir": "/var/lib/mandos",
3005
"foreground": "False",
2856
3010
# Parse config file for server-global settings
2857
server_config = configparser.SafeConfigParser(server_defaults)
3011
server_config = configparser.ConfigParser(server_defaults)
2858
3012
del server_defaults
2859
3013
server_config.read(os.path.join(options.configdir, "mandos.conf"))
2860
# Convert the SafeConfigParser object to a dict
3014
# Convert the ConfigParser object to a dict
2861
3015
server_settings = server_config.defaults()
2862
3016
# Use the appropriate methods on the non-string config options
2863
for option in ("debug", "use_dbus", "use_ipv6", "foreground"):
3017
for option in ("debug", "use_dbus", "use_ipv6", "restore",
3018
"foreground", "zeroconf"):
2864
3019
server_settings[option] = server_config.getboolean("DEFAULT",
2866
3021
if server_settings["port"]:
3039
3194
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
3040
3195
service = AvahiServiceToSyslog(
3041
name = server_settings["servicename"],
3042
servicetype = "_mandos._tcp",
3043
protocol = protocol,
3196
name=server_settings["servicename"],
3197
servicetype="_mandos._tcp",
3045
3200
if server_settings["interface"]:
3046
3201
service.interface = if_nametoindex(
3047
3202
server_settings["interface"].encode("utf-8"))
3049
3204
global multiprocessing_manager
3050
3205
multiprocessing_manager = multiprocessing.Manager()
3052
3207
client_class = Client
3054
client_class = functools.partial(ClientDBus, bus = bus)
3209
client_class = functools.partial(ClientDBus, bus=bus)
3056
3211
client_settings = Client.config_parser(client_config)
3057
3212
old_client_settings = {}
3058
3213
clients_data = {}
3060
3215
# This is used to redirect stdout and stderr for checker processes
3062
wnull = open(os.devnull, "w") # A writable /dev/null
3217
wnull = open(os.devnull, "w") # A writable /dev/null
3063
3218
# Only used if server is running in foreground but not in debug
3065
3220
if debug or not foreground:
3068
3223
# Get client data and settings from last running state.
3069
3224
if server_settings["restore"]:
3071
3226
with open(stored_state_path, "rb") as stored_state:
3072
if sys.version_info.major == 2:
3227
if sys.version_info.major == 2:
3073
3228
clients_data, old_client_settings = pickle.load(
3076
3231
bytes_clients_data, bytes_old_client_settings = (
3077
pickle.load(stored_state, encoding = "bytes"))
3078
### Fix bytes to strings
3232
pickle.load(stored_state, encoding="bytes"))
3233
# Fix bytes to strings
3081
clients_data = { (key.decode("utf-8")
3082
if isinstance(key, bytes)
3085
bytes_clients_data.items() }
3236
clients_data = {(key.decode("utf-8")
3237
if isinstance(key, bytes)
3240
bytes_clients_data.items()}
3086
3241
del bytes_clients_data
3087
3242
for key in clients_data:
3088
value = { (k.decode("utf-8")
3089
if isinstance(k, bytes) else k): v
3091
clients_data[key].items() }
3243
value = {(k.decode("utf-8")
3244
if isinstance(k, bytes) else k): v
3246
clients_data[key].items()}
3092
3247
clients_data[key] = value
3093
3248
# .client_structure
3094
3249
value["client_structure"] = [
3095
3250
(s.decode("utf-8")
3096
3251
if isinstance(s, bytes)
3097
3252
else s) for s in
3098
value["client_structure"] ]
3253
value["client_structure"]]
3099
3254
# .name & .host
3100
3255
for k in ("name", "host"):
3101
3256
if isinstance(value[k], bytes):
3102
3257
value[k] = value[k].decode("utf-8")
3103
## old_client_settings
3258
if "key_id" not in value:
3259
value["key_id"] = ""
3260
elif "fingerprint" not in value:
3261
value["fingerprint"] = ""
3262
# old_client_settings
3105
3264
old_client_settings = {
3106
3265
(key.decode("utf-8")
3107
3266
if isinstance(key, bytes)
3108
3267
else key): value
3109
3268
for key, value in
3110
bytes_old_client_settings.items() }
3269
bytes_old_client_settings.items()}
3111
3270
del bytes_old_client_settings
3113
3272
for value in old_client_settings.values():