Ian Southam 7bfccd699b Fixed Port forwarding (DNAT/SNAT) for isolated networks
Fixed failure on using eth10 (which CS now supports)
Refactored CSForward to us CsInterface object instead of teh way it was kludged together
Fixed hex conversion for device numbers and iptables marks
2015-03-16 11:40:12 +01:00

45 lines
1.5 KiB
Python
Executable File

# -- coding: utf-8 --
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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
#
# http://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.
import CsHelper
import logging
class CsRule:
""" Manage iprules
Supported Types:
fwmark
"""
def __init__(self, dev):
self.dev = dev
self.tableNo = int(dev[3:])
self.table = "Table_%s" % (dev)
def addMark(self):
if not self.findMark():
cmd = "ip rule add fwmark %s table %s" % (self.tableNo, self.table)
CsHelper.execute(cmd)
logging.info("Added fwmark rule for %s" % (self.table))
def findMark(self):
srch = "from all fwmark %s lookup %s" % (hex(self.tableNo), self.table)
for i in CsHelper.execute("ip rule show"):
if srch in i.strip():
return True
return False