gitee.com/mysnapcore/mysnapd@v0.1.0/interfaces/builtin/modem_manager_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  	"fmt"
    24  
    25  	. "gopkg.in/check.v1"
    26  
    27  	"gitee.com/mysnapcore/mysnapd/dirs"
    28  	"gitee.com/mysnapcore/mysnapd/interfaces"
    29  	"gitee.com/mysnapcore/mysnapd/interfaces/apparmor"
    30  	"gitee.com/mysnapcore/mysnapd/interfaces/builtin"
    31  	"gitee.com/mysnapcore/mysnapd/interfaces/dbus"
    32  	"gitee.com/mysnapcore/mysnapd/interfaces/seccomp"
    33  	"gitee.com/mysnapcore/mysnapd/interfaces/udev"
    34  	"gitee.com/mysnapcore/mysnapd/release"
    35  	"gitee.com/mysnapcore/mysnapd/snap"
    36  	"gitee.com/mysnapcore/mysnapd/snap/snaptest"
    37  	"gitee.com/mysnapcore/mysnapd/testutil"
    38  )
    39  
    40  type ModemManagerInterfaceSuite struct {
    41  	iface    interfaces.Interface
    42  	slotInfo *snap.SlotInfo
    43  	slot     *interfaces.ConnectedSlot
    44  	plugInfo *snap.PlugInfo
    45  	plug     *interfaces.ConnectedPlug
    46  }
    47  
    48  const modemmgrMockSlotSnapInfoYaml = `name: modem-manager
    49  version: 1.0
    50  apps:
    51   mm:
    52    command: foo
    53    slots: [modem-manager]
    54  `
    55  
    56  const modemmgrMockPlugSnapInfoYaml = `name: modem-manager
    57  version: 1.0
    58  plugs:
    59   modem-manager:
    60    interface: modem-manager
    61  apps:
    62   mmcli:
    63    command: foo
    64    plugs:
    65     - modem-manager
    66  `
    67  
    68  var _ = Suite(&ModemManagerInterfaceSuite{
    69  	iface: builtin.MustInterface("modem-manager"),
    70  })
    71  
    72  func (s *ModemManagerInterfaceSuite) SetUpTest(c *C) {
    73  	s.plugInfo = &snap.PlugInfo{
    74  		Snap:      &snap.Info{SuggestedName: "modem-manager"},
    75  		Name:      "mmcli",
    76  		Interface: "modem-manager",
    77  	}
    78  	s.plug = interfaces.NewConnectedPlug(s.plugInfo, nil, nil)
    79  	slotSnap := snaptest.MockInfo(c, modemmgrMockSlotSnapInfoYaml, nil)
    80  	s.slotInfo = slotSnap.Slots["modem-manager"]
    81  	s.slot = interfaces.NewConnectedSlot(s.slotInfo, nil, nil)
    82  }
    83  
    84  func (s *ModemManagerInterfaceSuite) TestName(c *C) {
    85  	c.Assert(s.iface.Name(), Equals, "modem-manager")
    86  }
    87  
    88  // The label glob when all apps are bound to the modem-manager slot
    89  func (s *ModemManagerInterfaceSuite) TestConnectedPlugSnippetUsesSlotLabelAll(c *C) {
    90  	app1 := &snap.AppInfo{Name: "app1"}
    91  	app2 := &snap.AppInfo{Name: "app2"}
    92  	slot := interfaces.NewConnectedSlot(&snap.SlotInfo{
    93  		Snap: &snap.Info{
    94  			SuggestedName: "modem-manager-prod",
    95  			Apps:          map[string]*snap.AppInfo{"app1": app1, "app2": app2},
    96  		},
    97  		Name:      "modem-manager",
    98  		Interface: "modem-manager",
    99  		Apps:      map[string]*snap.AppInfo{"app1": app1, "app2": app2},
   100  	}, nil, nil)
   101  
   102  	release.OnClassic = false
   103  
   104  	plugSnap := snaptest.MockInfo(c, modemmgrMockPlugSnapInfoYaml, nil)
   105  	plug := interfaces.NewConnectedPlug(plugSnap.Plugs["modem-manager"], nil, nil)
   106  
   107  	apparmorSpec := &apparmor.Specification{}
   108  	err := apparmorSpec.AddConnectedPlug(s.iface, plug, slot)
   109  	c.Assert(err, IsNil)
   110  	c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.modem-manager.mmcli"})
   111  	c.Assert(apparmorSpec.SnippetForTag("snap.modem-manager.mmcli"), testutil.Contains, `peer=(label="snap.modem-manager-prod.*"),`)
   112  }
   113  
   114  // The label uses alternation when some, but not all, apps is bound to the modem-manager slot
   115  func (s *ModemManagerInterfaceSuite) TestConnectedPlugSnippetUsesSlotLabelSome(c *C) {
   116  	app1 := &snap.AppInfo{Name: "app1"}
   117  	app2 := &snap.AppInfo{Name: "app2"}
   118  	app3 := &snap.AppInfo{Name: "app3"}
   119  	slot := interfaces.NewConnectedSlot(&snap.SlotInfo{
   120  		Snap: &snap.Info{
   121  			SuggestedName: "modem-manager",
   122  			Apps:          map[string]*snap.AppInfo{"app1": app1, "app2": app2, "app3": app3},
   123  		},
   124  		Name:      "modem-manager",
   125  		Interface: "modem-manager",
   126  		Apps:      map[string]*snap.AppInfo{"app1": app1, "app2": app2},
   127  	}, nil, nil)
   128  
   129  	release.OnClassic = false
   130  
   131  	plugSnap := snaptest.MockInfo(c, modemmgrMockPlugSnapInfoYaml, nil)
   132  	plug := interfaces.NewConnectedPlug(plugSnap.Plugs["modem-manager"], nil, nil)
   133  
   134  	apparmorSpec := &apparmor.Specification{}
   135  	err := apparmorSpec.AddConnectedPlug(s.iface, plug, slot)
   136  	c.Assert(err, IsNil)
   137  	c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.modem-manager.mmcli"})
   138  	c.Assert(apparmorSpec.SnippetForTag("snap.modem-manager.mmcli"), testutil.Contains, `peer=(label="snap.modem-manager.{app1,app2}"),`)
   139  }
   140  
   141  // The label uses short form when exactly one app is bound to the modem-manager slot
   142  func (s *ModemManagerInterfaceSuite) TestConnectedPlugSnippetUsesSlotLabelOne(c *C) {
   143  	app := &snap.AppInfo{Name: "app"}
   144  	slot := interfaces.NewConnectedSlot(&snap.SlotInfo{
   145  		Snap: &snap.Info{
   146  			SuggestedName: "modem-manager",
   147  			Apps:          map[string]*snap.AppInfo{"app": app},
   148  		},
   149  		Name:      "modem-manager",
   150  		Interface: "modem-manager",
   151  		Apps:      map[string]*snap.AppInfo{"app": app},
   152  	}, nil, nil)
   153  
   154  	release.OnClassic = false
   155  
   156  	plugSnap := snaptest.MockInfo(c, modemmgrMockPlugSnapInfoYaml, nil)
   157  	plug := interfaces.NewConnectedPlug(plugSnap.Plugs["modem-manager"], nil, nil)
   158  
   159  	apparmorSpec := &apparmor.Specification{}
   160  	err := apparmorSpec.AddConnectedPlug(s.iface, plug, slot)
   161  	c.Assert(err, IsNil)
   162  	c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.modem-manager.mmcli"})
   163  	c.Assert(apparmorSpec.SnippetForTag("snap.modem-manager.mmcli"), testutil.Contains, `peer=(label="snap.modem-manager.app"),`)
   164  }
   165  
   166  func (s *ModemManagerInterfaceSuite) TestConnectedPlugSnippetUsesUnconfinedLabelNot(c *C) {
   167  	release.OnClassic = false
   168  	plugSnap := snaptest.MockInfo(c, modemmgrMockPlugSnapInfoYaml, nil)
   169  	plug := interfaces.NewConnectedPlug(plugSnap.Plugs["modem-manager"], nil, nil)
   170  
   171  	apparmorSpec := &apparmor.Specification{}
   172  	err := apparmorSpec.AddConnectedPlug(s.iface, plug, s.slot)
   173  	c.Assert(err, IsNil)
   174  	c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.modem-manager.mmcli"})
   175  	snippet := apparmorSpec.SnippetForTag("snap.modem-manager.mmcli")
   176  	c.Assert(snippet, Not(testutil.Contains), "peer=(label=unconfined),")
   177  	c.Assert(snippet, testutil.Contains, "org/freedesktop/ModemManager1")
   178  }
   179  
   180  func (s *ModemManagerInterfaceSuite) TestConnectedPlugSnippetUsesUnconfinedLabelOnClassic(c *C) {
   181  	release.OnClassic = true
   182  
   183  	plugSnap := snaptest.MockInfo(c, modemmgrMockPlugSnapInfoYaml, nil)
   184  	plug := interfaces.NewConnectedPlug(plugSnap.Plugs["modem-manager"], nil, nil)
   185  	apparmorSpec := &apparmor.Specification{}
   186  	err := apparmorSpec.AddConnectedPlug(s.iface, plug, s.slot)
   187  	c.Assert(err, IsNil)
   188  	c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.modem-manager.mmcli"})
   189  	c.Assert(apparmorSpec.SnippetForTag("snap.modem-manager.mmcli"), testutil.Contains, "peer=(label=unconfined),")
   190  }
   191  
   192  func (s *ModemManagerInterfaceSuite) TestUsedSecuritySystems(c *C) {
   193  	plugSnap := snaptest.MockInfo(c, modemmgrMockPlugSnapInfoYaml, nil)
   194  	plug := interfaces.NewConnectedPlug(plugSnap.Plugs["modem-manager"], nil, nil)
   195  	apparmorSpec := &apparmor.Specification{}
   196  	err := apparmorSpec.AddConnectedPlug(s.iface, plug, s.slot)
   197  	c.Assert(err, IsNil)
   198  	c.Assert(apparmorSpec.SecurityTags(), HasLen, 1)
   199  
   200  	dbusSpec := &dbus.Specification{}
   201  	err = dbusSpec.AddConnectedPlug(s.iface, plug, s.slot)
   202  	c.Assert(err, IsNil)
   203  	c.Assert(dbusSpec.SecurityTags(), HasLen, 0)
   204  
   205  	dbusSpec = &dbus.Specification{}
   206  	err = dbusSpec.AddPermanentSlot(s.iface, s.slotInfo)
   207  	c.Assert(err, IsNil)
   208  	c.Assert(dbusSpec.SecurityTags(), HasLen, 1)
   209  
   210  	udevSpec := &udev.Specification{}
   211  	c.Assert(udevSpec.AddPermanentSlot(s.iface, s.slotInfo), IsNil)
   212  	c.Assert(udevSpec.Snippets(), HasLen, 3)
   213  	c.Assert(udevSpec.Snippets()[0], testutil.Contains, `SUBSYSTEMS=="usb"`)
   214  	c.Assert(udevSpec.Snippets(), testutil.Contains, `# modem-manager
   215  KERNEL=="rfcomm*|tty[a-zA-Z]*[0-9]*|cdc-wdm[0-9]*|*MBIM|*QMI|*AT|*QCDM", TAG+="snap_modem-manager_mm"`)
   216  	c.Assert(udevSpec.Snippets(), testutil.Contains, fmt.Sprintf(`TAG=="snap_modem-manager_mm", RUN+="%v/snap-device-helper $env{ACTION} snap_modem-manager_mm $devpath $major:$minor"`, dirs.DistroLibExecDir))
   217  }
   218  
   219  func (s *ModemManagerInterfaceSuite) TestPermanentSlotDBus(c *C) {
   220  	dbusSpec := &dbus.Specification{}
   221  	err := dbusSpec.AddPermanentSlot(s.iface, s.slotInfo)
   222  	c.Assert(err, IsNil)
   223  	c.Assert(dbusSpec.SecurityTags(), DeepEquals, []string{"snap.modem-manager.mm"})
   224  	snippet := dbusSpec.SnippetForTag("snap.modem-manager.mm")
   225  	c.Assert(snippet, testutil.Contains, "allow own=\"org.freedesktop.ModemManager1\"")
   226  	c.Assert(snippet, testutil.Contains, "allow send_destination=\"org.freedesktop.ModemManager1\"")
   227  }
   228  
   229  func (s *ModemManagerInterfaceSuite) TestPermanentSlotSecComp(c *C) {
   230  	seccompSpec := &seccomp.Specification{}
   231  	err := seccompSpec.AddPermanentSlot(s.iface, s.slotInfo)
   232  	c.Assert(err, IsNil)
   233  	c.Assert(seccompSpec.SecurityTags(), DeepEquals, []string{"snap.modem-manager.mm"})
   234  	c.Check(seccompSpec.SnippetForTag("snap.modem-manager.mm"), testutil.Contains, "listen\n")
   235  }
   236  
   237  func (s *ModemManagerInterfaceSuite) TestConnectedPlugDBus(c *C) {
   238  	release.OnClassic = false
   239  	plugSnap := snaptest.MockInfo(c, modemmgrMockPlugSnapInfoYaml, nil)
   240  	plug := interfaces.NewConnectedPlug(plugSnap.Plugs["modem-manager"], nil, nil)
   241  
   242  	dbusSpec := &dbus.Specification{}
   243  	err := dbusSpec.AddConnectedPlug(s.iface, plug, s.slot)
   244  	c.Assert(err, IsNil)
   245  	c.Assert(dbusSpec.SecurityTags(), DeepEquals, []string(nil))
   246  }
   247  
   248  func (s *ModemManagerInterfaceSuite) TestConnectedPlugDBusClassic(c *C) {
   249  	plugSnap := snaptest.MockInfo(c, modemmgrMockPlugSnapInfoYaml, nil)
   250  	plug := interfaces.NewConnectedPlug(plugSnap.Plugs["modem-manager"], nil, nil)
   251  
   252  	release.OnClassic = true
   253  	dbusSpec := &dbus.Specification{}
   254  	err := dbusSpec.AddConnectedPlug(s.iface, plug, s.slot)
   255  	c.Assert(err, IsNil)
   256  	c.Assert(dbusSpec.SecurityTags(), DeepEquals, []string(nil))
   257  }
   258  
   259  func (s *ModemManagerInterfaceSuite) TestInterfaces(c *C) {
   260  	c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface)
   261  }