Fox's Git Mirrors
pkg/common/outgoing.go 35a7f9b7d15b529c9ed5cf5b5b31ee8aadaa796c (35a7f9b7) Text, 1.24 KB
// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2024-2026 Quad4.io
package common
import "errors"
// ErrInterfaceReceiveOnly is returned when transmit is blocked by outgoing=no.
var ErrInterfaceReceiveOnly = errors.New("interface is receive-only")
// OutgoingPermit is the optional capability for interfaces that honor
// outgoing / selected_outgoing. Not part of NetworkInterface so minimal
// mocks keep defaulting to transmit-allowed via InterfaceAllowsOutgoing.
type OutgoingPermit interface {
AllowsOutgoing() bool
}
// OutgoingController extends OutgoingPermit with config-driven updates.
type OutgoingController interface {
OutgoingPermit
SetOutgoingAllowed(allowed bool)
}
// InterfaceAllowsOutgoing reports whether iface may transmit.
// Types that do not implement OutgoingPermit default to true.
func InterfaceAllowsOutgoing(iface NetworkInterface) bool {
if iface == nil {
return false
}
if o, ok := iface.(OutgoingPermit); ok {
return o.AllowsOutgoing()
}
return true
}
// RejectReceiveOnly returns ErrInterfaceReceiveOnly when transmit is blocked.
func RejectReceiveOnly(iface OutgoingPermit) error {
if iface != nil && !iface.AllowsOutgoing() {
return ErrInterfaceReceiveOnly
}
return nil
}
Served by rngit 1.5.2 - Generated in 0.02s