| 1 | package release |
| 2 | |
| 3 | import ( |
| 4 | "crypto/ed25519" |
| 5 | "encoding/json" |
| 6 | "errors" |
| 7 | "os" |
| 8 | "os/exec" |
| 9 | "path/filepath" |
| 10 | "strings" |
| 11 | "testing" |
| 12 | ) |
| 13 | |
| 14 | type retirementCrashStore struct { |
| 15 | *healthyRetryStore |
| 16 | boundary string |
| 17 | } |
| 18 | |
| 19 | func (s *retirementCrashStore) Write(name string, raw []byte) error { |
| 20 | if !strings.HasSuffix(name, ".retired") { |
| 21 | return s.healthyRetryStore.Write(name, raw) |
| 22 | } |
| 23 | if s.boundary == "before" { |
| 24 | os.Exit(75) |
| 25 | } |
| 26 | if s.boundary == "visible" { |
| 27 | s.fail = 1 |
| 28 | } |
| 29 | err := s.healthyRetryStore.Write(name, raw) |
| 30 | if err != nil && s.boundary != "visible" { |
| 31 | return err |
| 32 | } |
| 33 | os.Exit(75) |
| 34 | return nil |
| 35 | } |
| 36 | func TestPlan14HistoryRetirementProcessCrash(t *testing.T) { |
| 37 | if boundary := os.Getenv("PLAN14_RETIRE_CRASH"); boundary != "" { |
| 38 | dir := os.Getenv("PLAN14_RETIRE_DIR") |
| 39 | wire, err := os.ReadFile(filepath.Join(dir, "signed")) |
| 40 | if err != nil { |
| 41 | t.Fatal(err) |
| 42 | } |
| 43 | pub, err := os.ReadFile(filepath.Join(dir, "public")) |
| 44 | if err != nil { |
| 45 | t.Fatal(err) |
| 46 | } |
| 47 | var g HistoryRecoveryRetirement |
| 48 | if err := VerifyRootEnvelope(ed25519.PublicKey(pub), wire, &g); err != nil { |
| 49 | t.Fatal(err) |
| 50 | } |
| 51 | h := &RootHistory{Store: &retirementCrashStore{healthyRetryStore: &healthyRetryStore{dir: dir, fault: os.ErrPermission}, boundary: boundary}} |
| 52 | if err := h.RetireRecovery(pub, wire, g.Binding, g.IssuedAt, func(HistoryBinding) (string, error) { return "canonical", nil }); err != nil { |
| 53 | t.Fatal(err) |
| 54 | } |
| 55 | t.Fatal("child missed crash boundary") |
| 56 | } |
| 57 | for _, boundary := range []string{"before", "durable", "visible"} { |
| 58 | t.Run(boundary, func(t *testing.T) { |
| 59 | _, s, old, _, g, pub, key := retirementFixture(t) |
| 60 | wire, err := SignRootEnvelope(RootSigner(key), g) |
| 61 | if err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | if err := os.WriteFile(filepath.Join(s.dir, "signed"), wire, 0600); err != nil { |
| 65 | t.Fatal(err) |
| 66 | } |
| 67 | if err := os.WriteFile(filepath.Join(s.dir, "public"), pub, 0600); err != nil { |
| 68 | t.Fatal(err) |
| 69 | } |
| 70 | cmd := exec.CommandContext(t.Context(), os.Args[0], "-test.run=^TestPlan14HistoryRetirementProcessCrash$", "-test.count=1") |
| 71 | cmd.Dir = t.TempDir() |
| 72 | cmd.Env = append(os.Environ(), "PLAN14_RETIRE_CRASH="+boundary, "PLAN14_RETIRE_DIR="+s.dir) |
| 73 | out, err := cmd.CombinedOutput() |
| 74 | var exit *exec.ExitError |
| 75 | if !errors.As(err, &exit) || exit.ExitCode() != 75 { |
| 76 | t.Fatalf("child: %v\n%s", err, out) |
| 77 | } |
| 78 | fault := &retirementSyncStore{Store: s, fail: boundary == "visible"} |
| 79 | h := &RootHistory{Store: fault} |
| 80 | view, statusErr := h.MigrationStatus(old.Binding, func(HistoryBinding) (string, error) { return "canonical", nil }) |
| 81 | if boundary == "visible" { |
| 82 | if statusErr == nil { |
| 83 | t.Fatal("unsynced retirement completion after crash") |
| 84 | } |
| 85 | } else { |
| 86 | expected := "" |
| 87 | if boundary == "durable" { |
| 88 | accepted, _ := json.Marshal(g) |
| 89 | expected = reconstructionDigest(accepted) |
| 90 | } |
| 91 | if statusErr != nil || view.Hosts[0].RetirementDigests[old.Attempt.ID] != expected { |
| 92 | t.Fatalf("crash completion: %+v %v", view, statusErr) |
| 93 | } |
| 94 | } |
| 95 | refs, err := h.Refusals(old.Binding) |
| 96 | if boundary == "visible" { |
| 97 | if err == nil { |
| 98 | t.Fatal("unsynced retirement granted after crash") |
| 99 | } |
| 100 | fault.fail = false |
| 101 | refs, err = h.Refusals(old.Binding) |
| 102 | } |
| 103 | view, statusErr = h.MigrationStatus(old.Binding, func(HistoryBinding) (string, error) { return "canonical", nil }) |
| 104 | expected := "" |
| 105 | if boundary != "before" { |
| 106 | accepted, _ := json.Marshal(g) |
| 107 | expected = reconstructionDigest(accepted) |
| 108 | } |
| 109 | if statusErr != nil || view.Hosts[0].RetirementDigests[old.Attempt.ID] != expected { |
| 110 | t.Fatalf("repaired completion: %+v %v", view, statusErr) |
| 111 | } |
| 112 | want := 0 |
| 113 | if boundary == "before" { |
| 114 | want = 1 |
| 115 | } |
| 116 | if err != nil || len(refs) != want { |
| 117 | t.Fatalf("reopened retirement: %+v %v", refs, err) |
| 118 | } |
| 119 | raw, err := s.Read(historyRecoveryKey(old)) |
| 120 | if err != nil { |
| 121 | t.Fatal(err) |
| 122 | } |
| 123 | var retained historyRecoveryRecord |
| 124 | if err := json.Unmarshal(raw, &retained); err != nil { |
| 125 | t.Fatal(err) |
| 126 | } |
| 127 | if !retained.Failed || retained.Attempt.SHA256 != old.Attempt.SHA256 { |
| 128 | t.Fatal("retirement erased evidence") |
| 129 | } |
| 130 | }) |
| 131 | } |
| 132 | } |
| 133 | |
amadan