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authorgVisor bot <gvisor-bot@google.com>2020-09-20 18:17:20 -0700
committergVisor bot <gvisor-bot@google.com>2020-09-20 18:17:20 -0700
commitca308747205020c957d7fea3929f6c26004a6dd3 (patch)
tree1d6b2c0f7306c3a740a2e039e6b448972e64f00e /pkg/sentry/socket/netstack
parent916751039cca927a0e64b4e6f776d2d4732cf8d8 (diff)
parentac324f646ee3cb7955b0b45a7453aeb9671cbdf1 (diff)
Merge pull request #3651 from ianlewis:ip-forwarding
PiperOrigin-RevId: 332760843
Diffstat (limited to 'pkg/sentry/socket/netstack')
-rw-r--r--pkg/sentry/socket/netstack/stack.go21
1 files changed, 21 insertions, 0 deletions
diff --git a/pkg/sentry/socket/netstack/stack.go b/pkg/sentry/socket/netstack/stack.go
index 36144e1eb..1028d2a6e 100644
--- a/pkg/sentry/socket/netstack/stack.go
+++ b/pkg/sentry/socket/netstack/stack.go
@@ -412,3 +412,24 @@ func (s *Stack) CleanupEndpoints() []stack.TransportEndpoint {
func (s *Stack) RestoreCleanupEndpoints(es []stack.TransportEndpoint) {
s.Stack.RestoreCleanupEndpoints(es)
}
+
+// Forwarding implements inet.Stack.Forwarding.
+func (s *Stack) Forwarding(protocol tcpip.NetworkProtocolNumber) bool {
+ switch protocol {
+ case ipv4.ProtocolNumber, ipv6.ProtocolNumber:
+ return s.Stack.Forwarding(protocol)
+ default:
+ panic(fmt.Sprintf("Forwarding(%v) failed: unsupported protocol", protocol))
+ }
+}
+
+// SetForwarding implements inet.Stack.SetForwarding.
+func (s *Stack) SetForwarding(protocol tcpip.NetworkProtocolNumber, enable bool) error {
+ switch protocol {
+ case ipv4.ProtocolNumber, ipv6.ProtocolNumber:
+ s.Stack.SetForwarding(protocol, enable)
+ default:
+ panic(fmt.Sprintf("SetForwarding(%v) failed: unsupported protocol", protocol))
+ }
+ return nil
+}