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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2020 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 ctlcmd_test
import (
"encoding/base64"
"fmt"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/dirs"
"github.com/snapcore/snapd/kernel/fde"
"github.com/snapcore/snapd/overlord/hookstate"
"github.com/snapcore/snapd/overlord/hookstate/ctlcmd"
"github.com/snapcore/snapd/overlord/hookstate/hooktest"
"github.com/snapcore/snapd/overlord/state"
"github.com/snapcore/snapd/secboot/keys"
"github.com/snapcore/snapd/snap"
"github.com/snapcore/snapd/testutil"
)
type fdeSetupSuite struct {
testutil.BaseTest
st *state.State
mockHandler *hooktest.MockHandler
mockTask *state.Task
mockContext *hookstate.Context
}
var _ = Suite(&fdeSetupSuite{})
var mockFdeSetupKernelYaml = `name: pc-kernel
version: 1.0
type: kernel
hooks:
fde-setup:
`
func (s *fdeSetupSuite) SetUpTest(c *C) {
s.BaseTest.SetUpTest(c)
dirs.SetRootDir(c.MkDir())
s.AddCleanup(func() { dirs.SetRootDir("/") })
s.st = state.New(nil)
s.mockHandler = hooktest.NewMockHandler()
s.st.Lock()
defer s.st.Unlock()
mockInstalledSnap(c, s.st, mockFdeSetupKernelYaml, "")
s.mockTask = s.st.NewTask("test-task", "my test task")
hooksup := &hookstate.HookSetup{
Snap: "pc-kernel",
Revision: snap.R(1),
Hook: "fde-setup",
}
context, err := hookstate.NewContext(s.mockTask, s.st, hooksup, s.mockHandler, "")
c.Assert(err, IsNil)
s.mockContext = context
}
func (s *fdeSetupSuite) TestFdeSetupRequestOpInvalid(c *C) {
fdeSetup := &fde.SetupRequest{
Op: "invalid-and-unknown",
}
s.mockContext.Lock()
s.mockContext.Set("fde-setup-request", fdeSetup)
s.mockContext.Unlock()
stdout, stderr, err := ctlcmd.Run(s.mockContext, []string{"fde-setup-request"}, 0)
c.Check(err, ErrorMatches, `unknown fde-setup-request op "invalid-and-unknown"`)
c.Check(string(stdout), Equals, "")
c.Check(string(stderr), Equals, "")
}
func (s *fdeSetupSuite) TestFdeSetupRequestNoFdeSetupOpData(c *C) {
hooksup := &hookstate.HookSetup{
Snap: "pc-kernel",
Revision: snap.R(1),
Hook: "other-hook",
}
context, err := hookstate.NewContext(nil, s.st, hooksup, s.mockHandler, "")
c.Assert(err, IsNil)
// check "fde-setup-request" error
stdout, stderr, err := ctlcmd.Run(context, []string{"fde-setup-request"}, 0)
c.Check(err, ErrorMatches, `cannot use fde-setup-request outside of the fde-setup hook`)
c.Check(string(stdout), Equals, "")
c.Check(string(stderr), Equals, "")
// check "fde-setup-result" error
stdout, stderr, err = ctlcmd.Run(context, []string{"fde-setup-result"}, 0)
c.Check(err, ErrorMatches, `cannot use fde-setup-result outside of the fde-setup hook`)
c.Check(string(stdout), Equals, "")
c.Check(string(stderr), Equals, "")
}
func (s *fdeSetupSuite) TestFdeSetupRequestOpFeatures(c *C) {
fdeSetup := &fde.SetupRequest{
Op: "features",
}
s.mockContext.Lock()
s.mockContext.Set("fde-setup-request", fdeSetup)
s.mockContext.Unlock()
stdout, stderr, err := ctlcmd.Run(s.mockContext, []string{"fde-setup-request"}, 0)
c.Assert(err, IsNil)
c.Check(string(stdout), Equals, `{"op":"features"}`+"\n")
c.Check(string(stderr), Equals, "")
}
func (s *fdeSetupSuite) TestFdeSetupRequestOpInitialSetup(c *C) {
mockKey := keys.EncryptionKey{1, 2, 3, 4}
fdeSetup := &fde.SetupRequest{
Op: "initial-setup",
Key: mockKey[:],
KeyName: "the-key-name",
}
s.mockContext.Lock()
s.mockContext.Set("fde-setup-request", fdeSetup)
s.mockContext.Unlock()
stdout, stderr, err := ctlcmd.Run(s.mockContext, []string{"fde-setup-request"}, 0)
c.Assert(err, IsNil)
// the encryption key should be base64 encoded
encodedBase64Key := base64.StdEncoding.EncodeToString(mockKey[:])
c.Check(string(stdout), Equals, fmt.Sprintf(`{"op":"initial-setup","key":%q,"key-name":"the-key-name"}`+"\n", encodedBase64Key))
c.Check(string(stderr), Equals, "")
}
func (s *fdeSetupSuite) TestFdeSetupResult(c *C) {
mockStdin := []byte("sealed-key-data-from-stdin-as-set-by-daemon:runSnapctl")
s.mockContext.Lock()
s.mockContext.Set("stdin", mockStdin)
s.mockContext.Unlock()
stdout, stderr, err := ctlcmd.Run(s.mockContext, []string{"fde-setup-result"}, 0)
c.Assert(err, IsNil)
c.Check(string(stdout), Equals, "")
c.Check(string(stderr), Equals, "")
// check that the task got the key that was passed via stdin
var fdeSetupResult []byte
s.mockContext.Lock()
s.mockContext.Get("fde-setup-result", &fdeSetupResult)
s.mockContext.Unlock()
c.Check(fdeSetupResult, DeepEquals, mockStdin)
}
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