| 1 | package hostfence |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "crypto/sha256" |
| 6 | "encoding/hex" |
| 7 | "encoding/json" |
| 8 | "testing" |
| 9 | |
| 10 | "github.com/aws/aws-sdk-go-v2/service/ec2/types" |
| 11 | "github.com/carlosframework/platform/internal/awsinv" |
| 12 | "github.com/carlosframework/platform/internal/hostclaim" |
| 13 | ) |
| 14 | |
| 15 | func TestC7FenceReaderAuthenticatesRosterAndCloud(t *testing.T) { |
| 16 | for _, tc := range []string{"valid", "enrollment", "account", "cloud-region", "instance", "reporter", "nonterminal", "signature", "self-reporter"} { |
| 17 | t.Run(tc, func(t *testing.T) { |
| 18 | ctx := context.Background() |
| 19 | w, s := terminationFixture(t) |
| 20 | w.Reader = func(context.Context, string) (awsinv.ExactEC2API, error) { |
| 21 | return terminatedEC2{state: types.InstanceStateNameTerminated, owner: "123"}, nil |
| 22 | } |
| 23 | got, err := w.Describe(ctx, "dead") |
| 24 | if err != nil { |
| 25 | t.Fatal(err) |
| 26 | } |
| 27 | ref := ClaimFenceRef(got) |
| 28 | raw, etag, err := s.Get(ctx, ref.Key) |
| 29 | if err != nil { |
| 30 | t.Fatal(err) |
| 31 | } |
| 32 | var f Termination |
| 33 | if err = json.Unmarshal(raw, &f); err != nil { |
| 34 | t.Fatal(err) |
| 35 | } |
| 36 | switch tc { |
| 37 | case "enrollment": |
| 38 | f.Enrollment = "cccccccccccccccccccccccccccccccc" |
| 39 | case "account": |
| 40 | f.Cloud.Account = "456" |
| 41 | case "cloud-region": |
| 42 | f.Cloud.Region = "eu-west-2" |
| 43 | case "instance": |
| 44 | f.Cloud.InstanceID = "i-other" |
| 45 | case "reporter": |
| 46 | f.WrittenBy.Enrollment = "cccccccccccccccccccccccccccccccc" |
| 47 | case "nonterminal": |
| 48 | f.State = "shutting-down" |
| 49 | case "self-reporter": |
| 50 | f.WrittenBy.Box = f.Box |
| 51 | f.WrittenBy.Enrollment = f.Enrollment |
| 52 | case "signature": |
| 53 | w.Directory.PublicKey = make([]byte, 32) |
| 54 | } |
| 55 | raw, err = json.Marshal(f) |
| 56 | if err != nil { |
| 57 | t.Fatal(err) |
| 58 | } |
| 59 | // Deliberately replace the object in this local adversarial fixture and |
| 60 | // recompute its digest: a digest match alone must not grant authority. |
| 61 | if _, err = s.Put(ctx, ref.Key, raw, etag); err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | sum := sha256.Sum256(raw) |
| 65 | ref.SHA256 = hex.EncodeToString(sum[:]) |
| 66 | _, err = hostclaim.VerifyFence(ctx, s, ClaimFenceAuthority{Directory: w.Directory, Now: w.Now}, ref) |
| 67 | if (err == nil) != (tc == "valid") { |
| 68 | t.Fatalf("%s: %v", tc, err) |
| 69 | } |
| 70 | }) |
| 71 | } |
| 72 | } |
| 73 | |
amadan