| 1 | //go:build unix |
| 2 | |
| 3 | package hostguard |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "encoding/json" |
| 8 | "errors" |
| 9 | "os" |
| 10 | "path/filepath" |
| 11 | "sync" |
| 12 | "sync/atomic" |
| 13 | "testing" |
| 14 | "time" |
| 15 | |
| 16 | "github.com/carlosframework/platform/internal/rootstate" |
| 17 | ) |
| 18 | |
| 19 | type rootTestStore struct { |
| 20 | rootstate.Store |
| 21 | dir string |
| 22 | mu sync.Mutex |
| 23 | onLock func() |
| 24 | } |
| 25 | |
| 26 | func (s *rootTestStore) Read(n string) ([]byte, error) { return os.ReadFile(filepath.Join(s.dir, n)) } |
| 27 | func (s *rootTestStore) Write(n string, b []byte) error { |
| 28 | return os.WriteFile(filepath.Join(s.dir, n), b, 0600) |
| 29 | } |
| 30 | func (s *rootTestStore) Names() ([]string, error) { |
| 31 | entries, e := os.ReadDir(s.dir) |
| 32 | var names []string |
| 33 | for _, n := range entries { |
| 34 | names = append(names, n.Name()) |
| 35 | } |
| 36 | return names, e |
| 37 | } |
| 38 | func (s *rootTestStore) Lock(context.Context, string) (func(), error) { |
| 39 | s.mu.Lock() |
| 40 | if s.onLock != nil { |
| 41 | s.onLock() |
| 42 | } |
| 43 | return s.mu.Unlock, nil |
| 44 | } |
| 45 | func (s *rootTestStore) Close() error { return nil } |
| 46 | |
| 47 | func TestPlan14RootFences(t *testing.T) { |
| 48 | for _, attack := range []string{"delete", "rename", "replace lock", "forged receipt"} { |
| 49 | t.Run(attack, func(t *testing.T) { |
| 50 | f, target, captured := fenceFixture(t) |
| 51 | store := &rootTestStore{dir: t.TempDir()} |
| 52 | root := NewRootAuthority(store) |
| 53 | f.g.Root = root |
| 54 | f.obs.Claim.Holder.Account, f.obs.Claim.Holder.App = "bab", "console" |
| 55 | installation := RootInstallation{Host: target.Host, Incarnation: captured.Incarnation, Stamp: captured.Stamp, Account: "bab", App: "console", Record: "record@etag", Box: target.Box, Enrollment: target.Enrollment, Migration: 1} |
| 56 | if err := f.g.EstablishRoot(t.Context(), installation, allow); err != nil { |
| 57 | t.Fatal(err) |
| 58 | } |
| 59 | if err := f.g.With(t.Context(), target.Host, captured, allow, func() error { return nil }); err != nil { |
| 60 | t.Fatal(err) |
| 61 | } |
| 62 | if _, err := f.g.BeginFence(t.Context(), target); err != nil { |
| 63 | t.Fatal(err) |
| 64 | } |
| 65 | before, err := store.Read(target.Host + ".json") |
| 66 | if err != nil { |
| 67 | t.Fatal(err) |
| 68 | } |
| 69 | path := filepath.Join(f.g.DataDir, "hostguard", target.Host+".json") |
| 70 | switch attack { |
| 71 | case "delete": |
| 72 | if err := os.Remove(path); err != nil { |
| 73 | t.Fatal(err) |
| 74 | } |
| 75 | case "rename": |
| 76 | if err := os.Rename(filepath.Dir(path), filepath.Dir(path)+".old"); err != nil { |
| 77 | t.Fatal(err) |
| 78 | } |
| 79 | case "replace lock": |
| 80 | if err := os.Rename(f.g.LockDir, f.g.LockDir+".old"); err != nil { |
| 81 | t.Fatal(err) |
| 82 | } |
| 83 | if err := os.Mkdir(f.g.LockDir, 0700); err != nil { |
| 84 | t.Fatal(err) |
| 85 | } |
| 86 | case "forged receipt": |
| 87 | if err := os.WriteFile(path, []byte(`{"v":1,"host":"shop.example","incarnation":"inc","active_stamp":100}`), 0660); err != nil { |
| 88 | t.Fatal(err) |
| 89 | } |
| 90 | } |
| 91 | effects := 0 |
| 92 | if err := f.g.With(t.Context(), target.Host, captured, allow, func() error { effects++; return nil }); !errors.Is(err, ErrFenced) || effects != 0 { |
| 93 | t.Fatalf("fence bypass: %v %d", err, effects) |
| 94 | } |
| 95 | pending, err := f.g.PendingFences(t.Context()) |
| 96 | if err != nil || len(pending) != 1 || pending[0] != target { |
| 97 | t.Fatalf("lost recovery: %+v %v", pending, err) |
| 98 | } |
| 99 | stops, err := f.g.PendingStopFences(t.Context()) |
| 100 | if err != nil || len(stops) != 1 || stops[0] != target { |
| 101 | t.Fatalf("ordinary stop missing from recovery: %+v %v", stops, err) |
| 102 | } |
| 103 | after, err := store.Read(target.Host + ".json") |
| 104 | if err != nil || string(before) != string(after) { |
| 105 | t.Fatal("root evidence changed", err) |
| 106 | } |
| 107 | got, err := f.g.Capture(target.Host) |
| 108 | if err != nil || got != captured { |
| 109 | t.Fatal("capture used agent state", got, err) |
| 110 | } |
| 111 | }) |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | func TestPlan14RootFenceView(t *testing.T) { |
| 116 | f, target, captured := fenceFixture(t) |
| 117 | store := &rootTestStore{dir: t.TempDir()} |
| 118 | f.g.Root = NewRootAuthority(store) |
| 119 | f.obs.Claim.Holder.Account, f.obs.Claim.Holder.App = "bab", "console" |
| 120 | in := RootInstallation{Host: target.Host, Incarnation: captured.Incarnation, Stamp: captured.Stamp, Account: "bab", App: "console", Record: "record@etag", Box: target.Box, Enrollment: target.Enrollment, Migration: 1} |
| 121 | if err := f.g.EstablishRoot(t.Context(), in, allow); err != nil { |
| 122 | t.Fatal(err) |
| 123 | } |
| 124 | if _, err := f.g.BeginFence(t.Context(), target); err != nil { |
| 125 | t.Fatal(err) |
| 126 | } |
| 127 | view, err := f.g.Root.View(t.Context(), target.Host, captured) |
| 128 | if err != nil { |
| 129 | t.Fatal(err) |
| 130 | } |
| 131 | view.Pending.FenceID = "forged" |
| 132 | again, err := f.g.Root.View(t.Context(), target.Host, captured) |
| 133 | if err != nil || again.Pending.FenceID != target.FenceID { |
| 134 | t.Fatal("mutable view", err) |
| 135 | } |
| 136 | agent := f.g |
| 137 | agent.Root = nil |
| 138 | agent.FenceView = f.g.Root.View |
| 139 | effects := 0 |
| 140 | if err := agent.With(t.Context(), target.Host, captured, allow, func() error { effects++; return nil }); !errors.Is(err, ErrFenced) || effects != 0 { |
| 141 | t.Fatal("agent bypassed root view", err, effects) |
| 142 | } |
| 143 | if _, err := f.g.Root.View(t.Context(), target.Host, Captured{Incarnation: "wrong", Stamp: 1}); err == nil { |
| 144 | t.Fatal("wrong tuple accepted") |
| 145 | } |
| 146 | agent.FenceView = func(context.Context, string, Captured) (FenceView, error) { return FenceView{}, nil } |
| 147 | if err := agent.With(t.Context(), target.Host, captured, allow, func() error { effects++; return nil }); err == nil || effects != 0 { |
| 148 | t.Fatal("old server granted work") |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | func TestPlan14InventoryRegistrationUnderAgentGuardDeadlocks(t *testing.T) { |
| 153 | f, target, captured := fenceFixture(t) |
| 154 | store := &rootTestStore{dir: t.TempDir()} |
| 155 | root := f.g |
| 156 | root.Root = NewRootAuthority(store) |
| 157 | f.obs.Claim.Holder.Account, f.obs.Claim.Holder.App = "bab", "console" |
| 158 | in := RootInstallation{Host: target.Host, Incarnation: captured.Incarnation, Stamp: captured.Stamp, Account: "bab", App: "console", Record: "record@etag", Box: target.Box, Enrollment: target.Enrollment, Migration: 1} |
| 159 | if err := root.EstablishRoot(t.Context(), in, allow); err != nil { |
| 160 | t.Fatal(err) |
| 161 | } |
| 162 | // Match the inventory-write call inside ReconcileAdapter.Install's work.With. |
| 163 | agent := f.g |
| 164 | agent.FenceView = root.Root.View |
| 165 | ctx, cancel := context.WithTimeout(t.Context(), 100*time.Millisecond) |
| 166 | defer cancel() |
| 167 | requested := false |
| 168 | err := agent.With(ctx, target.Host, captured, allow, func() error { |
| 169 | requested = true |
| 170 | return root.EstablishRoot(ctx, in, allow) |
| 171 | }) |
| 172 | if !requested || !errors.Is(err, context.DeadlineExceeded) { |
| 173 | t.Fatalf("expected the root registration to wait for the agent's held legacy lock: %v, requested=%v", err, requested) |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | func TestPlan14FenceViewRechecksAfterUnlockedRead(t *testing.T) { |
| 178 | f, target, captured := fenceFixture(t) |
| 179 | root := f.g |
| 180 | root.Root = NewRootAuthority(&rootTestStore{dir: t.TempDir()}) |
| 181 | f.obs.Claim.Holder.Account, f.obs.Claim.Holder.App = "bab", "console" |
| 182 | in := RootInstallation{Host: target.Host, Incarnation: captured.Incarnation, Stamp: captured.Stamp, Account: "bab", App: "console", Record: "record@etag", Box: target.Box, Enrollment: target.Enrollment, Migration: 1} |
| 183 | if err := root.EstablishRoot(t.Context(), in, allow); err != nil { |
| 184 | t.Fatal(err) |
| 185 | } |
| 186 | path := filepath.Join(f.g.DataDir, "hostguard", target.Host+".json") |
| 187 | before, err := os.ReadFile(path) |
| 188 | if err != nil { |
| 189 | t.Fatal(err) |
| 190 | } |
| 191 | claimBefore, err := json.Marshal(f.obs) |
| 192 | if err != nil { |
| 193 | t.Fatal(err) |
| 194 | } |
| 195 | agent := f.g |
| 196 | fencedBeforeAdmission := false |
| 197 | agent.FenceView = func(ctx context.Context, host string, c Captured) (FenceView, error) { |
| 198 | view, err := root.Root.View(ctx, host, c) |
| 199 | if err != nil { |
| 200 | return FenceView{}, err |
| 201 | } |
| 202 | // Root attempts its fence after the snapshot, before admission. With |
| 203 | // the read inside the legacy lock, it cannot commit until admission |
| 204 | // finishes. Moving only the read outside permits this same-tuple race. |
| 205 | wait, cancel := context.WithTimeout(ctx, 100*time.Millisecond) |
| 206 | defer cancel() |
| 207 | _, err = root.BeginFence(wait, target) |
| 208 | if err == nil { |
| 209 | fencedBeforeAdmission = true |
| 210 | } else if !errors.Is(err, context.DeadlineExceeded) { |
| 211 | return FenceView{}, err |
| 212 | } |
| 213 | return view, nil |
| 214 | } |
| 215 | effects := 0 |
| 216 | err = agent.With(t.Context(), target.Host, captured, allow, func() error { effects++; return nil }) |
| 217 | if fencedBeforeAdmission { |
| 218 | if !errors.Is(err, ErrFenced) || effects != 0 { |
| 219 | t.Errorf("stale root snapshot admitted an already fenced session: err=%v effects=%d", err, effects) |
| 220 | } |
| 221 | } else { |
| 222 | if (!errors.Is(err, ErrFenced) || effects != 0) && (err != nil || effects != 1) { |
| 223 | t.Fatalf("unfenced admission: err=%v effects=%d", err, effects) |
| 224 | } |
| 225 | if _, err := root.BeginFence(t.Context(), target); err != nil { |
| 226 | t.Fatal(err) |
| 227 | } |
| 228 | } |
| 229 | view, err := root.Root.View(t.Context(), target.Host, captured) |
| 230 | if errors.Is(err, ErrFenced) { |
| 231 | r, e := root.Root.read(target.Host) |
| 232 | if e != nil || !r.quarantined || r.installation != in { |
| 233 | t.Fatalf("quarantine changed installation: %+v %v", r, e) |
| 234 | } |
| 235 | return |
| 236 | } |
| 237 | if err != nil || view.Pending == nil || *view.Pending != target || view.Installation != in { |
| 238 | t.Fatalf("fence changed installation identity: %+v %v", view, err) |
| 239 | } |
| 240 | after, err := os.ReadFile(path) |
| 241 | if err != nil || string(before) != string(after) { |
| 242 | t.Fatalf("fence changed agent installation record: %v", err) |
| 243 | } |
| 244 | claimAfter, err := json.Marshal(f.obs) |
| 245 | if err != nil || string(claimBefore) != string(claimAfter) { |
| 246 | t.Fatalf("fence changed claim observation: %v", err) |
| 247 | } |
| 248 | if err := root.With(t.Context(), target.Host, captured, allow, func() error { t.Fatal("root admitted fenced work"); return nil }); !errors.Is(err, ErrFenced) { |
| 249 | t.Fatalf("root fence check: %v", err) |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | func TestPlan14FenceViewWhileRootWaitsForAgent(t *testing.T) { |
| 254 | f, target, captured := fenceFixture(t) |
| 255 | root := f.g |
| 256 | store := &rootTestStore{dir: t.TempDir()} |
| 257 | root.Root = NewRootAuthority(store) |
| 258 | f.obs.Claim.Holder.Account, f.obs.Claim.Holder.App = "bab", "console" |
| 259 | in := RootInstallation{Host: target.Host, Incarnation: captured.Incarnation, Stamp: captured.Stamp, Account: "bab", App: "console", Record: "record@etag", Box: target.Box, Enrollment: target.Enrollment, Migration: 1} |
| 260 | if err := root.EstablishRoot(t.Context(), in, allow); err != nil { |
| 261 | t.Fatal(err) |
| 262 | } |
| 263 | ctx, cancel := context.WithTimeout(t.Context(), 2*time.Second) |
| 264 | defer cancel() |
| 265 | unlock, err := acquire(ctx, f.g.LockDir, target.Host) |
| 266 | if err != nil { |
| 267 | t.Fatal(err) |
| 268 | } |
| 269 | defer func() { |
| 270 | if unlock != nil { |
| 271 | unlock() |
| 272 | } |
| 273 | }() |
| 274 | locked := make(chan struct{}, 1) |
| 275 | var acquisitions atomic.Int32 |
| 276 | store.onLock = func() { acquisitions.Add(1); locked <- struct{}{} } |
| 277 | done := make(chan error, 1) |
| 278 | go func() { _, err := root.BeginFence(ctx, target); done <- err }() |
| 279 | select { |
| 280 | case <-locked: |
| 281 | case <-ctx.Done(): |
| 282 | t.Fatal(ctx.Err()) |
| 283 | } |
| 284 | viewDone := make(chan error, 1) |
| 285 | go func() { _, err := root.Root.View(ctx, target.Host, captured); viewDone <- err }() |
| 286 | select { |
| 287 | case err := <-viewDone: |
| 288 | if err != nil { |
| 289 | t.Fatal("honest contention fenced the view", err) |
| 290 | } |
| 291 | case <-ctx.Done(): |
| 292 | t.Fatal("fence view waited on root holding a lock needed by the agent") |
| 293 | } |
| 294 | if n := acquisitions.Load(); n != 2 { |
| 295 | t.Fatalf("root mutation and view must each acquire the root lock: %d acquisitions", n) |
| 296 | } |
| 297 | unlock() |
| 298 | unlock = nil |
| 299 | select { |
| 300 | case err := <-done: |
| 301 | if !errors.Is(err, context.DeadlineExceeded) { |
| 302 | t.Fatal(err) |
| 303 | } |
| 304 | case <-ctx.Done(): |
| 305 | t.Fatal("root update did not finish after agent unlocked") |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | func TestPlan14RootInventoryCommitRetainsDenials(t *testing.T) { |
| 310 | f, target, captured := fenceFixture(t) |
| 311 | f.obs.Claim.Holder.Account, f.obs.Claim.Holder.App = "bab", "console" |
| 312 | store := &rootTestStore{dir: t.TempDir()} |
| 313 | f.g.Root = NewRootAuthority(store) |
| 314 | in := RootInstallation{Host: target.Host, Incarnation: captured.Incarnation, Stamp: captured.Stamp, Account: "bab", App: "console", Record: "record", Box: target.Box, Enrollment: target.Enrollment, Migration: 1, InventoryRevision: 1} |
| 315 | effects := 0 |
| 316 | commit := func() error { effects++; return nil } |
| 317 | if err := f.g.CommitRootInstallation(t.Context(), in, allow, commit); err != nil || effects != 1 { |
| 318 | t.Fatalf("initial root inventory: %v %d", err, effects) |
| 319 | } |
| 320 | if _, err := f.g.BeginFence(t.Context(), target); err != nil { |
| 321 | t.Fatal(err) |
| 322 | } |
| 323 | in.InventoryRevision++ |
| 324 | if err := f.g.CommitRootInstallation(t.Context(), in, allow, commit); !errors.Is(err, ErrFenced) || effects != 1 { |
| 325 | t.Fatalf("fenced inventory commit: %v %d", err, effects) |
| 326 | } |
| 327 | view, err := f.g.Root.View(t.Context(), target.Host, captured) |
| 328 | if err != nil || view.Installation.InventoryRevision != 1 || view.Pending == nil || *view.Pending != target { |
| 329 | t.Fatalf("inventory erased fence: %+v %v", view, err) |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | func TestPlan14ColdHandoverRefreshesRootInventory(t *testing.T) { testRootColdHandover(t, false) } |
| 334 | func TestPlan14MigrationPredecessorReadmission(t *testing.T) { testRootColdHandover(t, true) } |
| 335 | func testRootColdHandover(t *testing.T, migration bool) { |
| 336 | f, prior, captured := fenceFixture(t) |
| 337 | f.obs.Claim.Holder.Account, f.obs.Claim.Holder.App = "bab", "app" |
| 338 | store := &rootTestStore{dir: t.TempDir()} |
| 339 | f.g.Root = NewRootAuthorityWithInventory(store, func(_ context.Context, host string, c Captured) (uint64, error) { |
| 340 | if host != prior.Host || c.Stamp != 17 { |
| 341 | return 0, ErrStampMismatch |
| 342 | } |
| 343 | return 2, nil |
| 344 | }) |
| 345 | in := RootInstallation{Host: prior.Host, Incarnation: prior.Incarnation, Stamp: prior.Stamp, Account: "bab", App: "app", Record: "record", Box: prior.Box, Enrollment: prior.Enrollment, Migration: 1, InventoryRevision: 5} |
| 346 | if err := f.g.EstablishRoot(t.Context(), in, allow); err != nil { |
| 347 | t.Fatal(err) |
| 348 | } |
| 349 | if migration { |
| 350 | if err := f.g.Root.RetainMigrationDeny(t.Context(), in, prior.Session); err != nil { |
| 351 | t.Fatal(err) |
| 352 | } |
| 353 | } |
| 354 | if _, err := f.g.BeginFence(t.Context(), prior); err != nil { |
| 355 | t.Fatal(err) |
| 356 | } |
| 357 | at := time.Now().UTC() |
| 358 | if err := f.g.CompleteFence(t.Context(), prior, []byte("verified stop"), at, func(context.Context, FenceTarget, []byte, time.Time) error { return nil }); err != nil { |
| 359 | t.Fatal(err) |
| 360 | } |
| 361 | next := prior |
| 362 | next.FenceID = "cold-next" |
| 363 | next.Stamp = 17 |
| 364 | next.Session = 17 |
| 365 | f.obs.Claim.Holder.Stamp, f.obs.Claim.Holder.Session = 17, 17 |
| 366 | if err := f.g.BeginColdHandover(t.Context(), prior, next, allow); err != nil { |
| 367 | t.Fatal(err) |
| 368 | } |
| 369 | if err := f.g.Activate(t.Context(), prior.Host, prior.Box, nil); err == nil { |
| 370 | t.Fatal("activation cleared cold barrier") |
| 371 | } |
| 372 | if migration { |
| 373 | fail := errors.New("interrupted handover") |
| 374 | if err := f.g.CompleteColdHandover(t.Context(), next, false, allow, func() error { return fail }); !errors.Is(err, fail) { |
| 375 | t.Fatal(err) |
| 376 | } |
| 377 | if err := f.g.With(t.Context(), prior.Host, Captured{Incarnation: prior.Incarnation, Stamp: 17}, allow, func() error { t.Fatal("pending successor ran"); return nil }); err == nil { |
| 378 | t.Fatal("pending handover allowed") |
| 379 | } |
| 380 | } |
| 381 | completed := 0 |
| 382 | if err := f.g.CompleteColdHandover(t.Context(), next, false, allow, func() error { completed++; return nil }); err != nil { |
| 383 | t.Fatal(err) |
| 384 | } |
| 385 | if err := f.g.CompleteColdHandover(t.Context(), next, true, allow, func() error { completed++; return nil }); err != nil || completed != 1 { |
| 386 | t.Fatal("handover replay", err, completed) |
| 387 | } |
| 388 | view, err := f.g.Root.View(t.Context(), prior.Host, Captured{Incarnation: prior.Incarnation, Stamp: 17}) |
| 389 | if err != nil || view.Installation.InventoryRevision != 2 || view.Barrier != nil { |
| 390 | t.Fatalf("successor snapshot: %+v %v", view, err) |
| 391 | } |
| 392 | effects := 0 |
| 393 | if err := f.g.With(t.Context(), prior.Host, view.Captured, allow, func() error { effects++; return nil }); err != nil || effects != 1 { |
| 394 | t.Fatalf("successor refused: %v", err) |
| 395 | } |
| 396 | if err := f.g.With(t.Context(), prior.Host, captured, allow, func() error { effects++; return nil }); err == nil || effects != 1 { |
| 397 | t.Fatal("predecessor replay admitted") |
| 398 | } |
| 399 | receipt, err := f.g.FenceReceiptFor(t.Context(), prior) |
| 400 | if err != nil || !receipt.EvidenceAt.Equal(at) { |
| 401 | t.Fatalf("old stop evidence lost: %+v %v", receipt, err) |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | func TestPlan14InstallationCommitRecovery(t *testing.T) { |
| 406 | f, target, captured := fenceFixture(t) |
| 407 | store := &rootTestStore{dir: t.TempDir()} |
| 408 | f.g.Root = NewRootAuthority(store) |
| 409 | f.obs.Claim.Holder.Account, f.obs.Claim.Holder.App = "bab", "console" |
| 410 | in := RootInstallation{Host: target.Host, Incarnation: captured.Incarnation, Stamp: captured.Stamp, Account: "bab", App: "console", Record: "record", Box: target.Box, Enrollment: target.Enrollment, Migration: 1, InventoryRevision: 1} |
| 411 | crash := errors.New("simulated crash after inventory commit") |
| 412 | intent := []byte("typed inventory request") |
| 413 | err := f.g.CommitRootInventory(t.Context(), in, intent, allow, nil, func(RootInstallation) error { return crash }) |
| 414 | if !errors.Is(err, crash) { |
| 415 | t.Fatal(err) |
| 416 | } |
| 417 | f.g.Root = NewRootAuthority(store) |
| 418 | if err := f.g.With(t.Context(), target.Host, captured, allow, func() error { t.Fatal("pending installation admitted"); return nil }); err == nil { |
| 419 | t.Fatal("admitted") |
| 420 | } |
| 421 | pending, err := f.g.Root.PendingInstallations() |
| 422 | if err != nil || len(pending) != 1 || string(pending[0]) != string(intent) { |
| 423 | t.Fatal(pending, err) |
| 424 | } |
| 425 | if _, err = f.g.Root.View(t.Context(), target.Host, captured); err == nil { |
| 426 | t.Fatal("pending view available") |
| 427 | } |
| 428 | if err = f.g.CommitRootInventory(t.Context(), in, []byte("other"), allow, nil, func(RootInstallation) error { t.Fatal("changed intent committed"); return nil }); err == nil { |
| 429 | t.Fatal("changed intent accepted") |
| 430 | } |
| 431 | if err = f.g.CommitRootInventory(t.Context(), in, intent, allow, nil, func(RootInstallation) error { return nil }); err != nil { |
| 432 | t.Fatal(err) |
| 433 | } |
| 434 | if err = f.g.With(t.Context(), target.Host, captured, allow, func() error { return nil }); err != nil { |
| 435 | t.Fatal(err) |
| 436 | } |
| 437 | pending, err = f.g.Root.PendingInstallations() |
| 438 | if err != nil || len(pending) != 0 { |
| 439 | t.Fatal(pending, err) |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | func TestPlan14RootNoInstallationNeedsExplicitEmptyState(t *testing.T) { |
| 444 | f, target, captured := fenceFixture(t) |
| 445 | f.obs.Claim.Holder.Account, f.obs.Claim.Holder.App = "bab", "app" |
| 446 | store := &rootTestStore{dir: t.TempDir()} |
| 447 | f.g.Root = NewRootAuthority(store) |
| 448 | effects := 0 |
| 449 | effect := func() error { effects++; return nil } |
| 450 | if err := f.g.WithNoInstallation(t.Context(), target.Host, captured.Incarnation, allow, effect); err == nil || effects != 0 { |
| 451 | t.Fatal("missing root record authorized absence", err) |
| 452 | } |
| 453 | in := RootInstallation{Host: target.Host, Incarnation: captured.Incarnation, Stamp: captured.Stamp, Account: "bab", App: "app", Record: "record", Box: target.Box, Enrollment: target.Enrollment, Migration: 1, Empty: true} |
| 454 | if err := f.g.EstablishRoot(t.Context(), in, allow); err != nil { |
| 455 | t.Fatal(err) |
| 456 | } |
| 457 | if err := f.g.WithNoInstallation(t.Context(), target.Host, captured.Incarnation, allow, effect); err != nil || effects != 1 { |
| 458 | t.Fatal("explicit empty refused", err) |
| 459 | } |
| 460 | if _, err := f.g.BeginFence(t.Context(), target); err != nil { |
| 461 | t.Fatal(err) |
| 462 | } |
| 463 | if err := f.g.WithNoInstallation(t.Context(), target.Host, captured.Incarnation, allow, effect); err == nil || effects != 1 { |
| 464 | t.Fatal("empty bypassed fence", err) |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | func TestPlan14AdmissionFenceUsesRootView(t *testing.T) { |
| 469 | f, target, captured := fenceFixture(t) |
| 470 | store := &rootTestStore{dir: t.TempDir()} |
| 471 | root := f.g |
| 472 | root.Root = NewRootAuthority(store) |
| 473 | f.obs.Claim.Holder.Account, f.obs.Claim.Holder.App = "bab", "console" |
| 474 | in := RootInstallation{Host: target.Host, Incarnation: captured.Incarnation, Stamp: captured.Stamp, Account: "bab", App: "console", Record: "record", Box: target.Box, Enrollment: target.Enrollment, Migration: 1} |
| 475 | if err := root.EstablishRoot(t.Context(), in, allow); err != nil { |
| 476 | t.Fatal(err) |
| 477 | } |
| 478 | agent := f.g |
| 479 | agent.FenceView = root.Root.View |
| 480 | for _, g := range []Guard{root, agent} { |
| 481 | if closed, err := g.AdmissionFenced(target.Host, f.obs.Claim, captured); err != nil || closed { |
| 482 | t.Fatal(closed, err) |
| 483 | } |
| 484 | } |
| 485 | if _, err := root.BeginFence(t.Context(), target); err != nil { |
| 486 | t.Fatal(err) |
| 487 | } |
| 488 | if err := os.Remove(filepath.Join(agent.DataDir, "hostguard", target.Host+".json")); err != nil { |
| 489 | t.Fatal(err) |
| 490 | } |
| 491 | for _, g := range []Guard{root, agent} { |
| 492 | ctx, cancel := context.WithTimeout(t.Context(), time.Second) |
| 493 | err := g.WithLocal(ctx, target.Host, func() error { |
| 494 | closed, err := g.AdmissionFenced(target.Host, f.obs.Claim, captured) |
| 495 | if err == nil && !closed { |
| 496 | return errors.New("root fence was ignored") |
| 497 | } |
| 498 | return err |
| 499 | }) |
| 500 | cancel() |
| 501 | if err != nil { |
| 502 | t.Fatal(err) |
| 503 | } |
| 504 | } |
| 505 | agent.FenceView = func(context.Context, string, Captured) (FenceView, error) { return FenceView{}, nil } |
| 506 | if _, err := agent.AdmissionFenced(target.Host, f.obs.Claim, captured); err == nil { |
| 507 | t.Fatal("malformed view granted admission") |
| 508 | } |
| 509 | v, err := root.Root.View(t.Context(), target.Host, captured) |
| 510 | if err != nil { |
| 511 | t.Fatal(err) |
| 512 | } |
| 513 | v.Pending = nil |
| 514 | v.Retired = []Captured{captured} |
| 515 | if !errors.Is(v.admit(target.Host, captured, f.obs.Claim.Holder.Session), ErrRetiredStamp) { |
| 516 | t.Fatal("retired view granted admission") |
| 517 | } |
| 518 | } |
| 519 | |
amadan