github.com/kubiko/snapd@v0.0.0-20201013125620-d4f3094d9ddf/interfaces/builtin/kernel_module_control_test.go (about) 1 // -*- Mode: Go; indent-tabs-mode: t -*- 2 3 /* 4 * Copyright (C) 2016-2017 Canonical Ltd 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 3 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 */ 19 20 package builtin_test 21 22 import ( 23 . "gopkg.in/check.v1" 24 25 "github.com/snapcore/snapd/interfaces" 26 "github.com/snapcore/snapd/interfaces/apparmor" 27 "github.com/snapcore/snapd/interfaces/builtin" 28 "github.com/snapcore/snapd/interfaces/seccomp" 29 "github.com/snapcore/snapd/interfaces/udev" 30 "github.com/snapcore/snapd/snap" 31 "github.com/snapcore/snapd/testutil" 32 ) 33 34 type KernelModuleControlInterfaceSuite struct { 35 iface interfaces.Interface 36 slotInfo *snap.SlotInfo 37 slot *interfaces.ConnectedSlot 38 plugInfo *snap.PlugInfo 39 plug *interfaces.ConnectedPlug 40 } 41 42 var _ = Suite(&KernelModuleControlInterfaceSuite{ 43 iface: builtin.MustInterface("kernel-module-control"), 44 }) 45 46 const kernelmodctlConsumerYaml = `name: consumer 47 version: 0 48 apps: 49 app: 50 plugs: [kernel-module-control] 51 ` 52 53 const kernelmodctlCoreYaml = `name: core 54 version: 0 55 type: os 56 slots: 57 kernel-module-control: 58 ` 59 60 func (s *KernelModuleControlInterfaceSuite) SetUpTest(c *C) { 61 s.plug, s.plugInfo = MockConnectedPlug(c, kernelmodctlConsumerYaml, nil, "kernel-module-control") 62 s.slot, s.slotInfo = MockConnectedSlot(c, kernelmodctlCoreYaml, nil, "kernel-module-control") 63 } 64 65 func (s *KernelModuleControlInterfaceSuite) TestName(c *C) { 66 c.Assert(s.iface.Name(), Equals, "kernel-module-control") 67 } 68 69 func (s *KernelModuleControlInterfaceSuite) TestSanitizeSlot(c *C) { 70 c.Assert(interfaces.BeforePrepareSlot(s.iface, s.slotInfo), IsNil) 71 } 72 73 func (s *KernelModuleControlInterfaceSuite) TestSanitizePlug(c *C) { 74 c.Assert(interfaces.BeforePreparePlug(s.iface, s.plugInfo), IsNil) 75 } 76 77 func (s *KernelModuleControlInterfaceSuite) TestAppArmorSpec(c *C) { 78 spec := &apparmor.Specification{} 79 c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil) 80 c.Assert(spec.SecurityTags(), DeepEquals, []string{"snap.consumer.app"}) 81 c.Assert(spec.SnippetForTag("snap.consumer.app"), testutil.Contains, "capability sys_module,") 82 } 83 84 func (s *KernelModuleControlInterfaceSuite) TestSecCompSpec(c *C) { 85 spec := &seccomp.Specification{} 86 c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil) 87 c.Assert(spec.SecurityTags(), DeepEquals, []string{"snap.consumer.app"}) 88 c.Assert(spec.SnippetForTag("snap.consumer.app"), testutil.Contains, "finit_module\n") 89 } 90 91 func (s *KernelModuleControlInterfaceSuite) TestUDevSpec(c *C) { 92 spec := &udev.Specification{} 93 c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil) 94 c.Assert(spec.Snippets(), HasLen, 2) 95 c.Assert(spec.Snippets(), testutil.Contains, `# kernel-module-control 96 KERNEL=="mem", TAG+="snap_consumer_app"`) 97 c.Assert(spec.Snippets(), testutil.Contains, `TAG=="snap_consumer_app", RUN+="/usr/lib/snapd/snap-device-helper $env{ACTION} snap_consumer_app $devpath $major:$minor"`) 98 } 99 100 func (s *KernelModuleControlInterfaceSuite) TestStaticInfo(c *C) { 101 si := interfaces.StaticInfoOf(s.iface) 102 c.Assert(si.ImplicitOnCore, Equals, true) 103 c.Assert(si.ImplicitOnClassic, Equals, true) 104 c.Assert(si.Summary, Equals, `allows insertion, removal and querying of kernel modules`) 105 c.Assert(si.BaseDeclarationSlots, testutil.Contains, "kernel-module-control") 106 } 107 108 func (s *KernelModuleControlInterfaceSuite) TestAutoConnect(c *C) { 109 c.Assert(s.iface.AutoConnect(s.plugInfo, s.slotInfo), Equals, true) 110 } 111 112 func (s *KernelModuleControlInterfaceSuite) TestInterfaces(c *C) { 113 c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface) 114 }