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Add /proc/sys/net/ipv4/ip_forward

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This commit is contained in:
aleksej
2019-10-27 15:28:15 +03:00
parent 1c480abc39
commit 352ae1022c
20 changed files with 467 additions and 27 deletions
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pkg/sentry/socket/netstack/stack.go
+24
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@@ -20,6 +20,7 @@ import (
"gvisor.dev/gvisor/pkg/sentry/inet"
"gvisor.dev/gvisor/pkg/sentry/socket/netfilter"
"gvisor.dev/gvisor/pkg/syserr"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/iptables"
"gvisor.dev/gvisor/pkg/tcpip/network/ipv4"
@@ -291,3 +292,26 @@ func (s *Stack) FillDefaultIPTables() {
func (s *Stack) Resume() {
s.Stack.Resume()
}
// 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:
log.Warningf("Forwarding(%v) failed: unsupported protocol", protocol)
return false
}
}
// 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:
log.Warningf("SetForwarding(%v) failed: unsupported protocol", protocol)
return syserr.ErrProtocolNotSupported.ToError()
}
return nil
}