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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 (
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/interfaces"
"github.com/snapcore/snapd/interfaces/apparmor"
"github.com/snapcore/snapd/interfaces/builtin"
"github.com/snapcore/snapd/snap"
"github.com/snapcore/snapd/snap/snaptest"
"github.com/snapcore/snapd/testutil"
)
type HomeInterfaceSuite struct {
iface interfaces.Interface
slot *interfaces.ConnectedSlot
slotInfo *snap.SlotInfo
plug *interfaces.ConnectedPlug
plugInfo *snap.PlugInfo
}
var _ = Suite(&HomeInterfaceSuite{
iface: builtin.MustInterface("home"),
})
func (s *HomeInterfaceSuite) SetUpTest(c *C) {
const mockPlugSnapInfo = `name: other
version: 1.0
apps:
app:
command: foo
plugs: [home]
`
s.slotInfo = &snap.SlotInfo{
Snap: &snap.Info{SuggestedName: "core", SnapType: snap.TypeOS},
Name: "home",
Interface: "home",
}
s.slot = interfaces.NewConnectedSlot(s.slotInfo, nil, nil)
plugSnap := snaptest.MockInfo(c, mockPlugSnapInfo, nil)
s.plugInfo = plugSnap.Plugs["home"]
s.plug = interfaces.NewConnectedPlug(s.plugInfo, nil, nil)
}
func (s *HomeInterfaceSuite) TestName(c *C) {
c.Assert(s.iface.Name(), Equals, "home")
}
func (s *HomeInterfaceSuite) TestSanitizeSlot(c *C) {
c.Assert(interfaces.BeforePrepareSlot(s.iface, s.slotInfo), IsNil)
}
func (s *HomeInterfaceSuite) TestSanitizePlugNoAttrib(c *C) {
c.Assert(interfaces.BeforePreparePlug(s.iface, s.plugInfo), IsNil)
}
func (s *HomeInterfaceSuite) TestSanitizePlugWithAttrib(c *C) {
const mockSnapYaml = `name: home-plug-snap
version: 1.0
plugs:
home:
read: all
`
info := snaptest.MockInfo(c, mockSnapYaml, nil)
plug := info.Plugs["home"]
c.Assert(interfaces.BeforePreparePlug(s.iface, plug), IsNil)
}
func (s *HomeInterfaceSuite) TestSanitizePlugWithBadAttrib(c *C) {
const mockSnapYaml = `name: home-plug-snap
version: 1.0
plugs:
home:
read: bad
`
info := snaptest.MockInfo(c, mockSnapYaml, nil)
plug := info.Plugs["home"]
c.Assert(interfaces.BeforePreparePlug(s.iface, plug), ErrorMatches,
`home plug requires "read" be 'all'`)
}
func (s *HomeInterfaceSuite) TestSanitizePlugWithEmptyAttrib(c *C) {
const mockSnapYaml = `name: home-plug-snap
version: 1.0
plugs:
home:
read: ""
`
info := snaptest.MockInfo(c, mockSnapYaml, nil)
plug := info.Plugs["home"]
c.Assert(interfaces.BeforePreparePlug(s.iface, plug), ErrorMatches,
`home plug requires "read" be 'all'`)
}
func (s *HomeInterfaceSuite) TestSanitizePlugWithBadAttribOwner(c *C) {
const mockSnapYaml = `name: home-plug-snap
version: 1.0
plugs:
home:
read: owner
`
info := snaptest.MockInfo(c, mockSnapYaml, nil)
plug := info.Plugs["home"]
c.Assert(interfaces.BeforePreparePlug(s.iface, plug), ErrorMatches,
`home plug requires "read" be 'all'`)
}
func (s *HomeInterfaceSuite) TestSanitizePlugWithBadAttribDict(c *C) {
const mockSnapYaml = `name: home-plug-snap
version: 1.0
plugs:
home:
read:
all: bad
bad: all
`
info := snaptest.MockInfo(c, mockSnapYaml, nil)
plug := info.Plugs["home"]
c.Assert(interfaces.BeforePreparePlug(s.iface, plug), ErrorMatches,
`home plug requires "read" be 'all'`)
}
func (s *HomeInterfaceSuite) TestConnectedPlugAppArmorWithoutAttrib(c *C) {
apparmorSpec := &apparmor.Specification{}
err := apparmorSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.other.app"})
c.Check(apparmorSpec.SnippetForTag("snap.other.app"), testutil.Contains, `owner @{HOME}/ r,`)
c.Check(apparmorSpec.SnippetForTag("snap.other.app"), testutil.Contains, `audit deny @{HOME}/bin/{,**} wl,`)
c.Check(apparmorSpec.SnippetForTag("snap.other.app"), Not(testutil.Contains), `# Allow non-owner read`)
}
func (s *HomeInterfaceSuite) TestConnectedPlugAppArmorWithAttribAll(c *C) {
const mockSnapYaml = `name: home-plug-snap
version: 1.0
plugs:
home:
read: all
apps:
app2:
command: foo
`
info := snaptest.MockInfo(c, mockSnapYaml, nil)
plug := interfaces.NewConnectedPlug(info.Plugs["home"], nil, nil)
apparmorSpec := &apparmor.Specification{}
err := apparmorSpec.AddConnectedPlug(s.iface, plug, s.slot)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.home-plug-snap.app2"})
c.Check(apparmorSpec.SnippetForTag("snap.home-plug-snap.app2"), testutil.Contains, `audit deny @{HOME}/bin/{,**} wl,`)
c.Check(apparmorSpec.SnippetForTag("snap.home-plug-snap.app2"), testutil.Contains, `owner @{HOME}/ r,`)
c.Check(apparmorSpec.SnippetForTag("snap.home-plug-snap.app2"), testutil.Contains, `# Allow non-owner read`)
}
func (s *HomeInterfaceSuite) TestInterfaces(c *C) {
c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface)
}
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