Files
munki/code/client/munkilib/launch/__init__.py
2017-04-14 10:47:58 -07:00

57 lines
1.6 KiB
Python

# encoding: utf-8
#
# Copyright 2017 Greg Neagle.
#
# Licensed under the Apache License, Version 2.0 (the 'License');
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an 'AS IS' BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
launch.__init__.py
Created by Greg Neagle on 2017-04-14.
Code for getting socket file descriptor from launchd.
Returns a file descriptor for our socket.
"""
from .. import osutils
SOCKET_NAME = 'managedsoftwareupdated'
def get_socket_fd():
'''Get socket file descriptors from launchd.'''
os_version = osutils.getOsVersion(as_tuple=True)
if os_version >= (10, 10):
# use new launchd api
from . import launch2
try:
sockets = launch2.launch_activate_socket(SOCKET_NAME)
except launch2.LaunchDError:
# no sockets found
return None
return sockets[0]
else:
# use old launchd api
from . import launch1
try:
socket_dict = launch1.get_launchd_socket_fds()
except launch1.LaunchDCheckInError:
# no sockets found
return None
if SOCKET_NAME not in socket_dict:
# no sockets found with the expected name
return None
return socket_dict[SOCKET_NAME][0]