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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package builtin
import (
"strings"
"github.com/snapcore/snapd/interfaces"
"github.com/snapcore/snapd/interfaces/apparmor"
"github.com/snapcore/snapd/interfaces/dbus"
"github.com/snapcore/snapd/interfaces/seccomp"
"github.com/snapcore/snapd/release"
"github.com/snapcore/snapd/snap"
)
const unity8PimCommonPermanentSlotAppArmor = `
# Description: Allow operating as the EDS service. This gives privileged access
# to the system.
# DBus accesses
#include <abstractions/dbus-session-strict>
dbus (send)
bus=session
path=/org/freedesktop/DBus
interface=org.freedesktop.DBus
member={Request,Release}Name
peer=(name=org.freedesktop.DBus, label=unconfined),
dbus (send)
bus=session
path=/org/freedesktop/*
interface=org.freedesktop.DBus.Properties
peer=(label=unconfined),
# Allow services to communicate with each other
dbus (receive, send)
peer=(label="snap.@{SNAP_INSTANCE_NAME}.*"),
# Allow binding the service to the requested connection name
dbus (bind)
bus=session
name="org.gnome.evolution.dataserver.Sources5",
`
const unity8PimCommonConnectedSlotAppArmor = `
# Allow service to interact with connected clients
########################
# SourceManager
########################
dbus (receive, send)
bus=session
path=/org/gnome/evolution/dataserver/SourceManager{,/**}
peer=(label=###PLUG_SECURITY_TAGS###),
`
const unity8PimCommonConnectedPlugAppArmor = `
# DBus accesses
#include <abstractions/dbus-session-strict>
########################
# SourceManager
########################
dbus (receive, send)
bus=session
path=/org/gnome/evolution/dataserver/SourceManager{,/**}
peer=(label=###SLOT_SECURITY_TAGS###),
# Allow clients to introspect the service
dbus (send)
bus=session
path=/org/gnome/Evolution
interface=org.freedesktop.DBus.Introspectable
member=Introspect
peer=(label=###SLOT_SECURITY_TAGS###),
`
const unity8PimCommonPermanentSlotSecComp = `
# Description: Allow operating as the EDS service. This gives privileged access
# to the system.
accept
accept4
bind
listen
shutdown
`
type unity8PimCommonInterface struct {
name string
summary string
baseDeclarationSlots string
permanentSlotAppArmor string
connectedSlotAppArmor string
connectedPlugAppArmor string
}
func (iface *unity8PimCommonInterface) Name() string {
return iface.name
}
func (iface *unity8PimCommonInterface) StaticInfo() interfaces.StaticInfo {
return interfaces.StaticInfo{
Summary: iface.summary,
BaseDeclarationSlots: iface.baseDeclarationSlots,
}
}
func (iface *unity8PimCommonInterface) DBusPermanentSlot(spec *dbus.Specification, slot *snap.SlotInfo) error {
//FIXME: Implement support after session services are available.
return nil
}
func (iface *unity8PimCommonInterface) AppArmorConnectedPlug(spec *apparmor.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
old := "###SLOT_SECURITY_TAGS###"
new := slot.LabelExpression()
originalSnippet := unity8PimCommonConnectedPlugAppArmor + "\n" + iface.connectedPlugAppArmor
spec.AddSnippet(strings.Replace(originalSnippet, old, new, -1))
// classic mode
if release.OnClassic {
// Let confined apps access unconfined service on classic
spec.AddSnippet(strings.Replace(originalSnippet, old, "unconfined", -1))
}
return nil
}
func (iface *unity8PimCommonInterface) AppArmorPermanentSlot(spec *apparmor.Specification, slot *snap.SlotInfo) error {
spec.AddSnippet(unity8PimCommonPermanentSlotAppArmor)
spec.AddSnippet(iface.permanentSlotAppArmor)
return nil
}
func (iface *unity8PimCommonInterface) AppArmorConnectedSlot(spec *apparmor.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
old := "###PLUG_SECURITY_TAGS###"
new := plug.LabelExpression()
snippet := unity8PimCommonConnectedSlotAppArmor
snippet += "\n" + iface.connectedSlotAppArmor
snippet = strings.Replace(snippet, old, new, -1)
spec.AddSnippet(snippet)
return nil
}
func (iface *unity8PimCommonInterface) SecCompPermanentSlot(spec *seccomp.Specification, slot *snap.SlotInfo) error {
spec.AddSnippet(unity8PimCommonPermanentSlotSecComp)
return nil
}
func (iface *unity8PimCommonInterface) AutoConnect(*snap.PlugInfo, *snap.SlotInfo) bool {
// allow what declarations allowed
return true
}
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