| # | |
| # Copyright 2015 Red Hat, Inc. | |
| # | |
| # This program is free software; you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation; either version 2 of the License, or | |
| # (at your option) any later version. | |
| # | |
| # This program is distributed in the hope that it will be useful, | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| # GNU General Public License for more details. | |
| # | |
| # You should have received a copy of the GNU General Public License | |
| # along with this program; if not, write to the Free Software | |
| # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| # | |
| # Refer to the README and COPYING files for full details of the license | |
| # | |
| from __future__ import absolute_import | |
| _RPFILTER_STRICT = '1' | |
| _RPFILTER_LOOSE = '2' | |
| def set_rp_filter(dev, mode): | |
| path = '/proc/sys/net/ipv4/conf/%s/rp_filter' % dev | |
| with open(path, 'w') as rp_filter: | |
| rp_filter.write(mode) | |
| def set_rp_filter_loose(dev): | |
| set_rp_filter(dev, _RPFILTER_LOOSE) | |
| def set_rp_filter_strict(dev): | |
| set_rp_filter(dev, _RPFILTER_STRICT) | |
| def disable_ipv6(dev, disable=True): | |
| with open('/proc/sys/net/ipv6/conf/%s/disable_ipv6' % dev, 'w') as f: | |
| f.write('1' if disable else '0') | |
| def is_disabled_ipv6(): | |
| with open('/proc/sys/net/ipv6/conf/default/disable_ipv6') as f: | |
| ipv6_enabled = f.read() | |
| return int(ipv6_enabled) | |