gvisor/pkg/sentry/kernel/task_net.go

36 lines
1.1 KiB
Go

// Copyright 2018 Google Inc.
//
// 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 kernel
import (
"gvisor.googlesource.com/gvisor/pkg/sentry/inet"
)
// IsNetworkNamespaced returns true if t is in a non-root network namespace.
func (t *Task) IsNetworkNamespaced() bool {
t.mu.Lock()
defer t.mu.Unlock()
return t.netns
}
// NetworkContext returns the network stack used by the task. NetworkContext
// may return nil if no network stack is available.
func (t *Task) NetworkContext() inet.Stack {
if t.IsNetworkNamespaced() {
return nil
}
return t.k.networkStack
}