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- // Copyright 2015 CNI authors
- //
- // 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
- //
- // 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.
- package ip
- import (
- "io/ioutil"
- )
- func EnableIP4Forward() error {
- return echo1("/proc/sys/net/ipv4/ip_forward")
- }
- func EnableIP6Forward() error {
- return echo1("/proc/sys/net/ipv6/conf/all/forwarding")
- }
- func echo1(f string) error {
- return ioutil.WriteFile(f, []byte("1"), 0644)
- }
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