| // Copyright 2020 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package hwsec |
| |
| import ( |
| "bytes" |
| "context" |
| "time" |
| |
| "chromiumos/tast/common/hwsec" |
| "chromiumos/tast/remote/bundles/cros/hwsec/util" |
| hwsecremote "chromiumos/tast/remote/hwsec" |
| "chromiumos/tast/testing" |
| ) |
| |
| // NOTE: This test is largely similar to hwsec.RecreateUserVaultTPM2 (a local test), if change is made to one, it is likely that the other have to be changed as well. |
| // The referred test is specifically for TPMv2.0, while this test is for TPMv1.2. |
| // Both versions of TPM is incompatible with each other and they way we handle reboot for the 2 versions are different and thus the need for 2 versions of the same test. |
| |
| func init() { |
| testing.AddTest(&testing.Test{ |
| Func: RecreateUserVaultTPM1, |
| Desc: "Verifies that for TPMv1.2 devices, cryptohome recreates user's vault directory when the TPM is re-owned", |
| Contacts: []string{ |
| "cros-hwsec@chromium.org", |
| "zuan@chromium.org", |
| }, |
| SoftwareDeps: []string{"reboot", "tpm1"}, |
| Attr: []string{"group:hwsec_destructive_func"}, |
| Timeout: 5 * time.Minute, |
| }) |
| } |
| |
| // RecreateUserVaultTPM1 is the TPMv1.2 version of hwsec.RecreateUserVault test, |
| // which was ported from the autotest test platform_CryptohomeTPMReOwn and |
| // renamed to reflects what's being tested. |
| func RecreateUserVaultTPM1(ctx context.Context, s *testing.State) { |
| cmdRunner := hwsecremote.NewCmdRunner(s.DUT()) |
| |
| helper, err := hwsecremote.NewHelper(cmdRunner, s.DUT()) |
| if err != nil { |
| s.Fatal("Failed to create hwsec local helper: ", err) |
| } |
| |
| utility := helper.CryptohomeClient() |
| |
| // Resets the TPM states before running the tests. |
| if err := helper.EnsureTPMAndSystemStateAreReset(ctx); err != nil { |
| s.Fatal("Failed to ensure resetting TPM: ", err) |
| } |
| if err := helper.EnsureTPMIsReady(ctx, hwsec.DefaultTakingOwnershipTimeout); err != nil { |
| s.Fatal("Failed to wait for TPM to be owned: ", err) |
| } |
| if _, err := utility.RemoveVault(ctx, util.FirstUsername); err != nil { |
| s.Fatal("Failed to remove user vault: ", err) |
| } |
| |
| s.Log("Phase 1: mounts vault for the test user") |
| |
| if err := utility.MountVault(ctx, util.Password1Label, hwsec.NewPassAuthConfig(util.FirstUsername, util.FirstPassword1), true, hwsec.NewVaultConfig()); err != nil { |
| s.Fatal("Failed to create user vault: ", err) |
| } |
| if err := utility.CheckTPMWrappedUserKeyset(ctx, util.FirstUsername); err != nil { |
| s.Fatal("Check user keyset failed: ", err) |
| } |
| if err := hwsec.WriteUserTestContent(ctx, utility, cmdRunner, util.FirstUsername, util.TestFileName1, util.TestFileContent); err != nil { |
| s.Fatal("Failed to write user test content: ", err) |
| } |
| if _, err := utility.Unmount(ctx, util.FirstUsername); err != nil { |
| s.Fatal("Failed to remove user vault: ", err) |
| } |
| |
| s.Log("Phase 2: reboot and mounts user vault") |
| |
| // Reboot |
| if err := helper.Reboot(ctx); err != nil { |
| s.Fatal("Failed to reboot: ", err) |
| } |
| if err := utility.MountVault(ctx, util.Password1Label, hwsec.NewPassAuthConfig(util.FirstUsername, util.FirstPassword1), false, hwsec.NewVaultConfig()); err != nil { |
| s.Fatal("Failed to mount user vault: ", err) |
| } |
| if err := utility.CheckTPMWrappedUserKeyset(ctx, util.FirstUsername); err != nil { |
| s.Fatal("Check user keyset failed: ", err) |
| } |
| |
| // User vault should already exist and shouldn't be recreated. |
| if content, err := hwsec.ReadUserTestContent(ctx, utility, cmdRunner, util.FirstUsername, util.TestFileName1); err != nil { |
| s.Fatal("Failed to read user test content: ", err) |
| } else if !bytes.Equal(content, []byte(util.TestFileContent)) { |
| s.Fatalf("Unexpected test file content: got %q, want %q", string(content), util.TestFileContent) |
| } |
| |
| if _, err := utility.Unmount(ctx, util.FirstUsername); err != nil { |
| s.Fatal("Failed to remove user vault: ", err) |
| } |
| |
| s.Log("Phase 3: clears TPM and mounts user vault again") |
| |
| if err := helper.EnsureTPMAndSystemStateAreReset(ctx); err != nil { |
| s.Fatal("Failed to ensure resetting TPM: ", err) |
| } |
| if err := helper.EnsureTPMIsReady(ctx, hwsec.DefaultTakingOwnershipTimeout); err != nil { |
| s.Fatal("Failed to wait for TPM to be owned: ", err) |
| } |
| if err := utility.MountVault(ctx, util.Password1Label, hwsec.NewPassAuthConfig(util.FirstUsername, util.FirstPassword1), true, hwsec.NewVaultConfig()); err != nil { |
| s.Fatal("Failed to create user vault: ", err) |
| } |
| if err := utility.CheckTPMWrappedUserKeyset(ctx, util.FirstUsername); err != nil { |
| s.Fatal("Check user keyset failed: ", err) |
| } |
| |
| // User vault should be recreated after TPM is cleared. |
| if exists, err := hwsec.DoesUserTestFileExist(ctx, utility, cmdRunner, util.FirstUsername, util.TestFileName1); err != nil { |
| s.Fatal("Failed to check user test file: ", err) |
| } else if exists { |
| s.Fatal("Cryptohome didn't recreate user vault; original test file still exists") |
| } |
| } |