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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016-2018 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/snap/snaptest"
"github.com/snapcore/snapd/testutil"
)
type MirInterfaceSuite struct {
iface interfaces.Interface
coreSlotInfo *snap.SlotInfo
coreSlot *interfaces.ConnectedSlot
classicSlotInfo *snap.SlotInfo
classicSlot *interfaces.ConnectedSlot
plugInfo *snap.PlugInfo
plug *interfaces.ConnectedPlug
}
var _ = Suite(&MirInterfaceSuite{
iface: builtin.MustInterface("mir"),
})
func (s *MirInterfaceSuite) SetUpTest(c *C) {
// a pulseaudio slot on the core snap (as automatically added on classic)
const mirMockClassicSlotSnapInfoYaml = `name: core
version: 0
type: os
slots:
mir:
interface: mir
`
const mirMockSlotSnapInfoYaml = `name: mir-server
version: 1.0
slots:
mir:
interface: mir
apps:
mir:
command: foo
slots: [mir]
`
const mockPlugSnapInfoYaml = `name: other
version: 1.0
apps:
app2:
command: foo
plugs: [mir]
`
// mir snap with mir-server slot on an core/all-snap install.
snapInfo := snaptest.MockInfo(c, mirMockSlotSnapInfoYaml, nil)
s.coreSlotInfo = snapInfo.Slots["mir"]
s.coreSlot = interfaces.NewConnectedSlot(s.coreSlotInfo, nil, nil)
// mir slot on a core snap in a classic install.
snapInfo = snaptest.MockInfo(c, mirMockClassicSlotSnapInfoYaml, nil)
s.classicSlotInfo = snapInfo.Slots["mir"]
s.classicSlot = interfaces.NewConnectedSlot(s.classicSlotInfo, nil, nil)
// snap with the mir plug
snapInfo = snaptest.MockInfo(c, mockPlugSnapInfoYaml, nil)
s.plugInfo = snapInfo.Plugs["mir"]
s.plug = interfaces.NewConnectedPlug(s.plugInfo, nil, nil)
}
func (s *MirInterfaceSuite) TestName(c *C) {
c.Assert(s.iface.Name(), Equals, "mir")
}
func (s *MirInterfaceSuite) TestUsedSecuritySystems(c *C) {
apparmorSpec := &apparmor.Specification{}
err := apparmorSpec.AddPermanentSlot(s.iface, s.coreSlotInfo)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.mir-server.mir"})
c.Assert(apparmorSpec.SnippetForTag("snap.mir-server.mir"), testutil.Contains, "capability sys_tty_config")
apparmorSpec = &apparmor.Specification{}
err = apparmorSpec.AddPermanentSlot(s.iface, s.classicSlotInfo)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), HasLen, 0)
apparmorSpec = &apparmor.Specification{}
err = apparmorSpec.AddConnectedSlot(s.iface, s.plug, s.coreSlot)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.mir-server.mir"})
c.Assert(apparmorSpec.SnippetForTag("snap.mir-server.mir"), testutil.Contains, "unix (receive, send) type=seqpacket addr=none peer=(label=\"snap.other")
apparmorSpec = &apparmor.Specification{}
err = apparmorSpec.AddConnectedPlug(s.iface, s.plug, s.coreSlot)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.other.app2"})
c.Assert(apparmorSpec.SnippetForTag("snap.other.app2"), testutil.Contains, "/run/mir_socket rw,")
}
func (s *MirInterfaceSuite) TestSecComp(c *C) {
seccompSpec := &seccomp.Specification{}
err := seccompSpec.AddPermanentSlot(s.iface, s.coreSlotInfo)
c.Assert(err, IsNil)
c.Assert(seccompSpec.SecurityTags(), DeepEquals, []string{"snap.mir-server.mir"})
c.Check(seccompSpec.SnippetForTag("snap.mir-server.mir"), testutil.Contains, "listen\n")
}
func (s *MirInterfaceSuite) TestSecCompOnClassic(c *C) {
seccompSpec := &seccomp.Specification{}
err := seccompSpec.AddPermanentSlot(s.iface, s.classicSlotInfo)
c.Assert(err, IsNil)
snippets := seccompSpec.Snippets()
// no permanent seccomp snippet for the slot
c.Assert(len(snippets), Equals, 0)
}
func (s *MirInterfaceSuite) TestUDevSpec(c *C) {
udevSpec := &udev.Specification{}
c.Assert(udevSpec.AddPermanentSlot(s.iface, s.coreSlotInfo), IsNil)
c.Assert(udevSpec.Snippets(), HasLen, 6)
c.Assert(udevSpec.Snippets(), testutil.Contains, `# mir
KERNEL=="tty[0-9]*", TAG+="snap_mir-server_mir"`)
c.Assert(udevSpec.Snippets(), testutil.Contains, `# mir
KERNEL=="mice", TAG+="snap_mir-server_mir"`)
c.Assert(udevSpec.Snippets(), testutil.Contains, `# mir
KERNEL=="mouse[0-9]*", TAG+="snap_mir-server_mir"`)
c.Assert(udevSpec.Snippets(), testutil.Contains, `# mir
KERNEL=="event[0-9]*", TAG+="snap_mir-server_mir"`)
c.Assert(udevSpec.Snippets(), testutil.Contains, `# mir
KERNEL=="ts[0-9]*", TAG+="snap_mir-server_mir"`)
c.Assert(udevSpec.Snippets(), testutil.Contains, fmt.Sprintf(`TAG=="snap_mir-server_mir", RUN+="%v/snap-device-helper $env{ACTION} snap_mir-server_mir $devpath $major:$minor"`, dirs.DistroLibExecDir))
c.Assert(udevSpec.TriggeredSubsystems(), DeepEquals, []string{"input"})
}
func (s *MirInterfaceSuite) TestInterfaces(c *C) {
c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface)
}
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