| 1 | package operator |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "encoding/base64" |
| 6 | "os" |
| 7 | "strings" |
| 8 | "testing" |
| 9 | "time" |
| 10 | |
| 11 | family "amadan.net/rastrillo/rastrillo/crypto" |
| 12 | ) |
| 13 | |
| 14 | func schemaWireFixture(t *testing.T) (*family.Keypair, *Verifier, *schemaVerifierV2, schemaAuthorizationV2) { |
| 15 | t.Helper() |
| 16 | key, old, a := fixture(t) |
| 17 | a.Version = 2 |
| 18 | p := old.pins |
| 19 | p.Actions = append(p.Actions, "directory.inspect") |
| 20 | v, err := newSchemaVerifierV2(p, "directory-historical-empty-v1", strings.Repeat("a", 64)) |
| 21 | if err != nil { |
| 22 | t.Fatal(err) |
| 23 | } |
| 24 | return key, old, v, schemaAuthorizationV2{a, v.profile, v.manifestDigest} |
| 25 | } |
| 26 | func TestSchemaWireVersionsAndSignedPins(t *testing.T) { |
| 27 | key, old, v, a := schemaWireFixture(t) |
| 28 | raw, err := signSchemaRequestV2(key, a, struct { |
| 29 | Generation string `json:"generation"` |
| 30 | }{token(8)}) |
| 31 | if err != nil { |
| 32 | t.Fatal(err) |
| 33 | } |
| 34 | r, err := verifySchemaRequestV2(v, raw) |
| 35 | if err != nil || r.authorization.Version != 2 || r.head == "" { |
| 36 | t.Fatal(err) |
| 37 | } |
| 38 | if _, err := old.Verify(raw); err == nil { |
| 39 | t.Fatal("public v1 verifier accepted v2") |
| 40 | } |
| 41 | oldAuth := a.Authorization |
| 42 | oldAuth.Version = 1 |
| 43 | if _, err := verifySchemaRequestV2(v, signed(t, key, oldAuth)); err == nil { |
| 44 | t.Fatal("v2 accepted v1") |
| 45 | } |
| 46 | if _, err := SignRequest(key, a.Authorization, map[string]string{}); err == nil { |
| 47 | t.Fatal("public signer accepted v2") |
| 48 | } |
| 49 | for _, change := range []func(*schemaAuthorizationV2){ |
| 50 | func(a *schemaAuthorizationV2) { a.SchemaProfile = "directory-current-v1" }, |
| 51 | func(a *schemaAuthorizationV2) { a.SchemaManifestDigest = strings.Repeat("b", 64) }, |
| 52 | func(a *schemaAuthorizationV2) { a.Origin = "https://other.example.test" }, |
| 53 | func(a *schemaAuthorizationV2) { a.Installation = token(19) }, |
| 54 | func(a *schemaAuthorizationV2) { a.Registry = token(19) }, |
| 55 | func(a *schemaAuthorizationV2) { a.Device = token(19) }, |
| 56 | func(a *schemaAuthorizationV2) { a.Action = "directory.activate-consumer" }, |
| 57 | } { |
| 58 | changed := a |
| 59 | change(&changed) |
| 60 | wire, err := signSchemaRequestV2(key, changed, map[string]string{}) |
| 61 | if err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | if _, err := verifySchemaRequestV2(v, wire); err == nil { |
| 65 | t.Fatal("trusted key authorized another target/profile") |
| 66 | } |
| 67 | } |
| 68 | for _, bad := range []schemaAuthorizationV2{ |
| 69 | {a.Authorization, "", a.SchemaManifestDigest}, |
| 70 | {a.Authorization, "unknown", a.SchemaManifestDigest}, |
| 71 | {a.Authorization, a.SchemaProfile, ""}, |
| 72 | {a.Authorization, a.SchemaProfile, strings.Repeat("A", 64)}, |
| 73 | } { |
| 74 | if _, err := signSchemaRequestV2(key, bad, map[string]string{}); err == nil { |
| 75 | t.Fatal("invalid commitment signed") |
| 76 | } |
| 77 | } |
| 78 | var w wrapper |
| 79 | if strictCanonical(raw, &w) != nil { |
| 80 | t.Fatal("wrapper") |
| 81 | } |
| 82 | for _, version := range []int{0, 1, 3} { |
| 83 | changed := w |
| 84 | changed.Version = version |
| 85 | wire, _ := encode(changed) |
| 86 | if _, err := verifySchemaRequestV2(v, wire); err == nil { |
| 87 | t.Fatal("mixed wrapper accepted") |
| 88 | } |
| 89 | } |
| 90 | var env envelope |
| 91 | if strictCanonical(w.Authorization, &env) != nil { |
| 92 | t.Fatal("envelope") |
| 93 | } |
| 94 | env.Version = 2 |
| 95 | changed := w |
| 96 | changed.Authorization, _ = encode(env) |
| 97 | wire, _ := encode(changed) |
| 98 | if _, err := verifySchemaRequestV2(v, wire); err == nil { |
| 99 | t.Fatal("envelope v2 accepted") |
| 100 | } |
| 101 | changed = w |
| 102 | changed.Input = []byte(`{"generation":"changed"}`) |
| 103 | wire, _ = encode(changed) |
| 104 | if _, err := verifySchemaRequestV2(v, wire); err == nil { |
| 105 | t.Fatal("changed input accepted") |
| 106 | } |
| 107 | if _, err := verifySchemaRequestV2(v, append([]byte{' '}, raw...)); err == nil { |
| 108 | t.Fatal("noncanonical wire") |
| 109 | } |
| 110 | if _, err := verifySchemaRequestV2(v, bytes.Replace(raw, []byte(`"version":2`), []byte(`"version":2,"version":2`), 1)); err == nil { |
| 111 | t.Fatal("duplicate member") |
| 112 | } |
| 113 | } |
| 114 | func TestSchemaInspectUsesOwnContextAndFreshPins(t *testing.T) { |
| 115 | key, old, v, a := schemaWireFixture(t) |
| 116 | c := schemaInspectV2{InspectChallenge{2, "operator-inspect", a.Role, a.Origin, a.Installation, a.Registry, a.Device, token(6), a.Issued, a.Expires}, a.SchemaProfile, a.SchemaManifestDigest} |
| 117 | raw, err := signSchemaInspectV2(key, c) |
| 118 | if err != nil { |
| 119 | t.Fatal(err) |
| 120 | } |
| 121 | now := time.Unix(a.Issued, 0) |
| 122 | if _, err := verifySchemaInspectV2(v, raw, now); err != nil { |
| 123 | t.Fatal(err) |
| 124 | } |
| 125 | if _, err := old.verifyInspect(raw, now); err == nil { |
| 126 | t.Fatal("v1 inspector accepted v2") |
| 127 | } |
| 128 | if _, err := SignInspect(key, c.InspectChallenge); err == nil { |
| 129 | t.Fatal("public inspection signer accepted v2") |
| 130 | } |
| 131 | for _, at := range []int64{a.Issued - 1, a.Expires, a.Expires + 1} { |
| 132 | if _, err := verifySchemaInspectV2(v, raw, time.Unix(at, 0)); err == nil { |
| 133 | t.Fatal("stale inspection accepted") |
| 134 | } |
| 135 | } |
| 136 | changed := c |
| 137 | changed.SchemaProfile = "directory-current-v1" |
| 138 | wire, _ := signSchemaInspectV2(key, changed) |
| 139 | if _, err := verifySchemaInspectV2(v, wire, now); err == nil { |
| 140 | t.Fatal("other signed profile accepted") |
| 141 | } |
| 142 | var env envelope |
| 143 | if strictCanonical(raw, &env) != nil { |
| 144 | t.Fatal("envelope") |
| 145 | } |
| 146 | payload, _ := base64.RawURLEncoding.DecodeString(env.Payload) |
| 147 | sig, err := family.Sign(key, InputContext, payload) |
| 148 | if err != nil { |
| 149 | t.Fatal(err) |
| 150 | } |
| 151 | env.Signature = base64.RawURLEncoding.EncodeToString(sig) |
| 152 | wire, _ = encode(env) |
| 153 | if _, err := verifySchemaInspectV2(v, wire, now); err == nil { |
| 154 | t.Fatal("inspection signed for mutation context accepted") |
| 155 | } |
| 156 | oldChallenge := c.InspectChallenge |
| 157 | oldChallenge.Version = 1 |
| 158 | wire, err = SignInspect(key, oldChallenge) |
| 159 | if err != nil { |
| 160 | t.Fatal(err) |
| 161 | } |
| 162 | if _, err := verifySchemaInspectV2(v, wire, now); err == nil { |
| 163 | t.Fatal("v2 inspector accepted v1") |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | func TestSchemaWireKeepsV1PayloadBytes(t *testing.T) { |
| 168 | _, _, a := fixture(t) |
| 169 | a.InputDigest = token(7) |
| 170 | c := InspectChallenge{1, "operator-inspect", a.Role, a.Origin, a.Installation, a.Registry, a.Device, token(6), a.Issued, a.Expires} |
| 171 | for name, value := range map[string]any{"authorization": a, "inspection": c} { |
| 172 | raw, err := encode(value) |
| 173 | if err != nil { |
| 174 | t.Fatal(err) |
| 175 | } |
| 176 | path := "testdata/schema-v1-" + name + ".json" |
| 177 | if os.Getenv("OFICINA_CAPTURE_V1_SCHEMA_WIRE") == "1" { |
| 178 | if err := os.WriteFile(path, raw, 0600); err != nil { |
| 179 | t.Fatal(err) |
| 180 | } |
| 181 | continue |
| 182 | } |
| 183 | frozen, err := os.ReadFile(path) |
| 184 | if err != nil || !bytes.Equal(frozen, raw) { |
| 185 | t.Fatal("v1 signature input changed", name, err) |
| 186 | } |
| 187 | } |
| 188 | } |
| 189 | |
amadan