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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2025 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_test
import (
"fmt"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/dirs"
"github.com/snapcore/snapd/interfaces"
"github.com/snapcore/snapd/interfaces/apparmor"
"github.com/snapcore/snapd/interfaces/builtin"
"github.com/snapcore/snapd/interfaces/seccomp"
"github.com/snapcore/snapd/interfaces/udev"
"github.com/snapcore/snapd/snap"
"github.com/snapcore/snapd/testutil"
)
type accelSuite struct {
iface interfaces.Interface
slotInfo *snap.SlotInfo
slot *interfaces.ConnectedSlot
plugInfo *snap.PlugInfo
plug *interfaces.ConnectedPlug
}
const accelMockPlugSnapInfoYaml = `name: accel
version: 1.0
apps:
app:
command: foo
plugs: [accel]
`
const accelCoreYaml = `name: core
version: 0
type: os
slots:
accel:
`
var _ = Suite(&accelSuite{
iface: builtin.MustInterface("accel"),
})
func (s *accelSuite) SetUpTest(c *C) {
s.slot, s.slotInfo = MockConnectedSlot(c, accelCoreYaml, nil, "accel")
s.plug, s.plugInfo = MockConnectedPlug(c, accelMockPlugSnapInfoYaml, nil, "accel")
}
func (s *accelSuite) TestName(c *C) {
c.Assert(s.iface.Name(), Equals, "accel")
}
func (s *accelSuite) TestUsedSecuritySystems(c *C) {
// connected plugs have a non-nil security snippet for apparmor
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
apparmorSpec := apparmor.NewSpecification(appSet)
err = apparmorSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), HasLen, 1)
// connected plugs have a nil security snippet for seccomp
appSet, err = interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
seccompSpec := seccomp.NewSpecification(appSet)
err = seccompSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(seccompSpec.Snippets(), HasLen, 0)
}
func (s *accelSuite) TestConnectedPlugSnippet(c *C) {
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
apparmorSpec := apparmor.NewSpecification(appSet)
err = apparmorSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.accel.app"})
c.Assert(apparmorSpec.SnippetForTag("snap.accel.app"), testutil.Contains, "/dev/accel/accel* rw,\n")
appSet, err = interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
seccompSpec := seccomp.NewSpecification(appSet)
err = seccompSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(seccompSpec.SecurityTags(), DeepEquals, []string(nil))
}
func (s *accelSuite) TestSanitizeSlot(c *C) {
c.Assert(interfaces.BeforePrepareSlot(s.iface, s.slotInfo), IsNil)
}
func (s *accelSuite) TestSanitizePlug(c *C) {
c.Assert(interfaces.BeforePreparePlug(s.iface, s.plugInfo), IsNil)
}
func (s *accelSuite) TestUDevConnectedPlug(c *C) {
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
spec := udev.NewSpecification(appSet)
c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
c.Assert(spec.Snippets(), HasLen, 2)
c.Assert(spec.Snippets(), testutil.Contains, `# accel
SUBSYSTEM=="accel", KERNEL=="accel*", TAG+="snap_accel_app"`)
c.Assert(spec.Snippets(), testutil.Contains, fmt.Sprintf(
`TAG=="snap_accel_app", SUBSYSTEM!="module", SUBSYSTEM!="subsystem", RUN+="%v/snap-device-helper $env{ACTION} snap_accel_app $devpath $major:$minor"`, dirs.DistroLibExecDir))
}
func (s *accelSuite) TestStaticInfo(c *C) {
si := interfaces.StaticInfoOf(s.iface)
c.Assert(si.ImplicitOnCore, Equals, true)
c.Assert(si.ImplicitOnClassic, Equals, true)
c.Assert(si.Summary, Equals, `allows access to devices in the compute accelerators subsystem`)
}
func (s *accelSuite) TestInterfaces(c *C) {
c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface)
}
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