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https://github.com/token2/snapd.git
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102 lines
2.7 KiB
Go
102 lines
2.7 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2018 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package builtin
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import (
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"fmt"
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"github.com/snapcore/snapd/interfaces"
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"github.com/snapcore/snapd/interfaces/apparmor"
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"github.com/snapcore/snapd/snap"
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)
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type emptyInterface struct{}
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const emptyInterfaceSummary = `allows testing without providing any additional permissions`
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const emptyInterfaceBaseDeclarationSlots = `
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empty:
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allow-installation:
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slot-snap-type:
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- app
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deny-auto-connection: true
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`
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func (iface *emptyInterface) String() string {
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return iface.Name()
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}
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// Name returns the name of the empty interface.
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func (iface *emptyInterface) Name() string {
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return "empty"
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}
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func (iface *emptyInterface) StaticInfo() interfaces.StaticInfo {
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return interfaces.StaticInfo{
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Summary: emptyInterfaceSummary,
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BaseDeclarationSlots: emptyInterfaceBaseDeclarationSlots,
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}
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}
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func (iface *emptyInterface) BeforePreparePlug(plug *snap.PlugInfo) error {
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return nil
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}
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func (iface *emptyInterface) BeforePrepareSlot(slot *snap.SlotInfo) error {
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return nil
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}
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func (iface *emptyInterface) BeforeConnectPlug(plug *interfaces.ConnectedPlug) error {
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var value string
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if err := plug.Attr("before-connect", &value); err != nil {
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return err
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}
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value = fmt.Sprintf("plug-changed(%s)", value)
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return plug.SetAttr("before-connect", value)
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}
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func (iface *emptyInterface) BeforeConnectSlot(slot *interfaces.ConnectedSlot) error {
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var num int64
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if err := slot.Attr("producer-num-1", &num); err != nil {
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return err
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}
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var value string
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if err := slot.Attr("before-connect", &value); err != nil {
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return err
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}
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value = fmt.Sprintf("slot-changed(%s)", value)
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return slot.SetAttr("before-connect", value)
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}
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func (iface *emptyInterface) AppArmorConnectedPlug(spec *apparmor.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
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return nil
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}
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func (iface *emptyInterface) AppArmorConnectedSlot(spec *apparmor.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
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return nil
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}
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func (iface *emptyInterface) AutoConnect(*snap.PlugInfo, *snap.SlotInfo) bool {
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return true
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}
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func init() {
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registerIface(&emptyInterface{})
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}
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