fix: expect base64 string in raw tuf root (kyverno#11117) (kyverno#11128

)

* fix: expect base64 string in raw tuf root



* fix: add tests



* fix: rename kyverno yaml file



---------

Signed-off-by: Vishal Choudhary <[email protected]>
Co-authored-by: Vishal Choudhary <[email protected]>
Co-authored-by: shuting <[email protected]>

.github/workflows/conformance.yaml

@@ -563,6 +563,26 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           chainsaw-tests: ${{ matrix.tests }}
 
+  sigstore-custom-tuf:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: read
+    strategy:
+      fail-fast: false
+      matrix:
+        k8s-version: [ v1.28.13, v1.29.8, v1.30.4, v1.31.0 ]
+        tests: ${{ fromJSON(needs.define-matrix.outputs.tests).sigstore-custom-tuf }}
+    needs: [ prepare-images, define-matrix ]
+    steps:
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: ./.github/actions/run-tests
+        with:
+          k8s-version: ${{ matrix.k8s-version }}
+          kind-config: ./scripts/config/kind/vap-v1beta1.yaml
+          kyverno-configs: standard,sigstore-custom-tuf
+          token: ${{ secrets.GITHUB_TOKEN }}
+          chainsaw-tests: ${{ matrix.tests }}
+
   custom-sigstore:
     runs-on: ubuntu-latest
     permissions:

cmd/internal/tuf.go

@@ -2,6 +2,7 @@ package internal
 
 import (
 	"context"
+	"encoding/base64"
 	"fmt"
 
 	"github.com/go-logr/logr"
@@ -24,7 +25,11 @@ func setupSigstoreTUF(ctx context.Context, logger logr.Logger) {
 			checkError(logger, err, fmt.Sprintf("Failed to read alternate TUF root file %s : %v", tufRoot, err))
 		}
 	} else if tufRootRaw != "" {
-		tufRootBytes = []byte(tufRootRaw)
+		root, err := base64.StdEncoding.DecodeString(tufRootRaw)
+		if err != nil {
+			checkError(logger, err, fmt.Sprintf("Failed to base64 decode TUF root  %s : %v", tufRootRaw, err))
+		}
+		tufRootBytes = root
 	}
 
 	logger.Info("Initializing TUF root")

pkg/cosign/sigstore.go

@@ -83,6 +83,8 @@ func verifyBundles(bundles []*Bundle, desc *v1.Descriptor, trustedRoot *root.Tru
 		result, err := verifier.Verify(bundle.ProtoBundle, policy)
 		if err == nil {
 			verificationResults = append(verificationResults, &VerificationResult{Bundle: bundle, Result: result, Desc: desc})
+		} else {
+			logger.V(4).Info("failed to verify sigstore bundle", "err", err.Error(), "bundle", bundle)
 		}
 	}
 

scripts/config/sigstore-custom-tuf/kyverno.yaml

@@ -0,0 +1,5 @@
+features:
+  tuf:
+    enabled: true
+    rootRaw: "{
 "signatures": [
  {
   "keyid": "4f4d1dd75f2d7f3860e3a068d7bed90dec5f0faafcbe1ace7fb7d95d29e07228",
   "sig": ""
  },
  {
   "keyid": "5e01c9a0b2641a8965a4a74e7df0bc7b2d8278a2c3ca0cf7a3f2f783d3c69800",
   "sig": ""
  },
  {
   "keyid": "eb8eff37f93af2faaba519f341decec3cecd3eeafcace32966db9723842c8a62",
   "sig": ""
  },
  {
   "keyid": "a10513a5ab61acd0c6b6fbe0504856ead18f3b17c4fabbe3fa848c79a5a187cf",
   "sig": "304502210084c9f296eb5b672e44213096653dd7fedcd247785044dec648f0f3be7b0cd51002207867822b6d1a85969a5697e774257319e3d8723fa6d403ae072980b72acfa50d"
  },
  {
   "keyid": "d6a89e23fb22801a0d1186bf1bdd007e228f65a8aa9964d24d06cb5fbb0ce91c",
   "sig": "304502200f0fb4a8b1139ec9f8d336768ff1b83f95c38a8613fccf88a19f6ed3ca02119b0221008235517c1dd27cfc84f3867cbbb8218ffaddc5d73fcf649713518bfa1a93a4aa"
  },
  {
   "keyid": "8b498a80a1b7af188c10c9abdf6aade81d14faaffcde2abcd6063baa673ebd12",
   "sig": "3044022068e59cbd0e259845da8a3f5c0f02d895a0bd0f8d010cb94a14ae3d4ce0f436bf02200ec81d83f3924b2644591d452ec539b9713d707e71878a9eca1ab545226765e7"
  },
  {
   "keyid": "88737ccdac7b49cc237e9aaead81be2a40278b886a693d8149a19cf543f093d3",
   "sig": "3046022100e09fa6cedac74d2fce0388c4616a938dd818296e5cb2e1fbbbea1d18a66308e9022100bfef306ef589b6c7ed63387f8c33885c037696344784feea22e4d6f55e876a3f"
  },
  {
   "keyid": "539dde44014c850fe6eeb8b299eb7dae2e1f4bf83454b949e98aa73542cdc65a",
   "sig": "3046022100ed3c5997388c9a09264e7becb74481e9567aa5461ec66f3d7311e461ac672551022100c4789e41c618107193f0457dc63b00373da3bef171d69eda07236b42254709f0"
  }
 ],
 "signed": {
  "_type": "root",
  "consistent_snapshot": true,
  "expires": "2024-12-20T13:25:15Z",
  "keys": {
   "4f4d1dd75f2d7f3860e3a068d7bed90dec5f0faafcbe1ace7fb7d95d29e07228": {
    "keytype": "ecdsa",
    "keyval": {
     "public": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAENki7aZVips5SgRzCd/Om0CGzQKY/\nnv84giqVDmdwb2ys82Z6soFLasvYYEEQcwqaC170n9gr93wHUgPc796uJA==\n-----END PUBLIC KEY-----\n"
    },
    "scheme": "ecdsa-sha2-nistp256",
    "x-tuf-on-ci-keyowner": "@ashtom"
   },
   "539dde44014c850fe6eeb8b299eb7dae2e1f4bf83454b949e98aa73542cdc65a": {
    "keytype": "ecdsa",
    "keyval": {
     "public": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAElD0o2sOZN9n3RKQ7PtMLAoXj+2Ai\nn4PKT/pfnzDlNLrD3VTQwCc4sR4t+OLu4KQ+qk+kXkR9YuBsu3bdJZ1OWw==\n-----END PUBLIC KEY-----\n"
    },
    "scheme": "ecdsa-sha2-nistp256",
    "x-tuf-on-ci-keyowner": "@nerdneha"
   },
   "5e01c9a0b2641a8965a4a74e7df0bc7b2d8278a2c3ca0cf7a3f2f783d3c69800": {
    "keytype": "ecdsa",
    "keyval": {
     "public": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEC9RNAsuDCNO6T7qA7Y5F8orw2tIW\nr7rUr4ffxvzTMrbkVtjR/trtE0q0+T0zQ8TWLyI6EYMwb947ej2ItfkOyA==\n-----END PUBLIC KEY-----\n"
    },
    "scheme": "ecdsa-sha2-nistp256",
    "x-tuf-on-ci-keyowner": "@jacobdepriest"
   },
   "88737ccdac7b49cc237e9aaead81be2a40278b886a693d8149a19cf543f093d3": {
    "keytype": "ecdsa",
    "keyval": {
     "public": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEBagkskNOpOTbetTX5CdnvMy+LiWn\nonRrNrqAHL4WgiebH7Uig7GLhC3bkeA/qgb926/vr9qhOPG9Buj2HatrPw==\n-----END PUBLIC KEY-----\n"
    },
    "scheme": "ecdsa-sha2-nistp256",
    "x-tuf-on-ci-keyowner": "@gregose"
   },
   "8b498a80a1b7af188c10c9abdf6aade81d14faaffcde2abcd6063baa673ebd12": {
    "keytype": "ecdsa",
    "keyval": {
     "public": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE7IEoVNwrprchXGhT5sAhSax7SOd3\n8duuISghCzfmHdKJWSbV2wJRamRiUVRtmA83K/qm5cT20WXMCT5QeM/D3A==\n-----END PUBLIC KEY-----\n"
    },
    "scheme": "ecdsa-sha2-nistp256",
    "x-tuf-on-ci-keyowner": "@trevrosen"
   },
   "a10513a5ab61acd0c6b6fbe0504856ead18f3b17c4fabbe3fa848c79a5a187cf": {
    "keytype": "ecdsa",
    "keyval": {
     "public": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEC2wJ3xscyXxBLybJ9FVjwkyQMe53\nRHUz77AjMO8MzVaT8xw6ZvJqdNZiytYtigWULlINxw6frNsWJKb/f7lC8A==\n-----END PUBLIC KEY-----\n"
    },
    "scheme": "ecdsa-sha2-nistp256",
    "x-tuf-on-ci-keyowner": "@kommendorkapten"
   },
   "d6a89e23fb22801a0d1186bf1bdd007e228f65a8aa9964d24d06cb5fbb0ce91c": {
    "keytype": "ecdsa",
    "keyval": {
     "public": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEDdORwcruW3gqAgaLjH/nNdGMB4kQ\nAvA+wD6DyO4P/wR8ee2ce83NZHq1ZADKhve0rlYKaKy3CqyQ5SmlZ36Zhw==\n-----END PUBLIC KEY-----\n"
    },
    "scheme": "ecdsa-sha2-nistp256",
    "x-tuf-on-ci-keyowner": "@krukow"
   },
   "eb8eff37f93af2faaba519f341decec3cecd3eeafcace32966db9723842c8a62": {
    "keytype": "ecdsa",
    "keyval": {
     "public": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAENynVdQnM9h7xU71G7PiJpQaDemub\nkbjsjYwLlPJTQVuxQO8WeIpJf8MEh5rf01t2dDIuCsZ5gRx+QvDv0UzfsA==\n-----END PUBLIC KEY-----\n"
    },
    "scheme": "ecdsa-sha2-nistp256",
    "x-tuf-on-ci-keyowner": "@mph4"
   },
   "eb9799b483affac9da87ef4c9ea467928415c961349e607e5e6e485679b07f8f": {
    "keytype": "ecdsa",
    "keyval": {
     "public": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAENKNcNcX+d73lS1TRFb9Vnp8JvOoh\nzYQ+in43iGenbG8RGo9L/6FJ2hoRbVU6xskvyuErcdPbCdI4GxrQ5i8hkw==\n-----END PUBLIC KEY-----\n"
    },
    "scheme": "ecdsa-sha2-nistp256",
    "x-tuf-on-ci-online-uri": "azurekms://production-tuf-root.vault.azure.net/keys/Online-Key/aaf375fd8ed24acb949a5cc173700b05"
   }
  },
  "roles": {
   "root": {
    "keyids": [
     "a10513a5ab61acd0c6b6fbe0504856ead18f3b17c4fabbe3fa848c79a5a187cf",
     "4f4d1dd75f2d7f3860e3a068d7bed90dec5f0faafcbe1ace7fb7d95d29e07228",
     "88737ccdac7b49cc237e9aaead81be2a40278b886a693d8149a19cf543f093d3",
     "5e01c9a0b2641a8965a4a74e7df0bc7b2d8278a2c3ca0cf7a3f2f783d3c69800",
     "d6a89e23fb22801a0d1186bf1bdd007e228f65a8aa9964d24d06cb5fbb0ce91c",
     "eb8eff37f93af2faaba519f341decec3cecd3eeafcace32966db9723842c8a62",
     "8b498a80a1b7af188c10c9abdf6aade81d14faaffcde2abcd6063baa673ebd12",
     "539dde44014c850fe6eeb8b299eb7dae2e1f4bf83454b949e98aa73542cdc65a"
    ],
    "threshold": 3
   },
   "snapshot": {
    "keyids": [
     "eb9799b483affac9da87ef4c9ea467928415c961349e607e5e6e485679b07f8f"
    ],
    "threshold": 1,
    "x-tuf-on-ci-expiry-period": 21,
    "x-tuf-on-ci-signing-period": 7
   },
   "targets": {
    "keyids": [
     "a10513a5ab61acd0c6b6fbe0504856ead18f3b17c4fabbe3fa848c79a5a187cf",
     "4f4d1dd75f2d7f3860e3a068d7bed90dec5f0faafcbe1ace7fb7d95d29e07228",
     "88737ccdac7b49cc237e9aaead81be2a40278b886a693d8149a19cf543f093d3",
     "5e01c9a0b2641a8965a4a74e7df0bc7b2d8278a2c3ca0cf7a3f2f783d3c69800",
     "d6a89e23fb22801a0d1186bf1bdd007e228f65a8aa9964d24d06cb5fbb0ce91c",
     "eb8eff37f93af2faaba519f341decec3cecd3eeafcace32966db9723842c8a62",
     "8b498a80a1b7af188c10c9abdf6aade81d14faaffcde2abcd6063baa673ebd12",
     "539dde44014c850fe6eeb8b299eb7dae2e1f4bf83454b949e98aa73542cdc65a"
    ],
    "threshold": 3
   },
   "timestamp": {
    "keyids": [
     "eb9799b483affac9da87ef4c9ea467928415c961349e607e5e6e485679b07f8f"
    ],
    "threshold": 1,
    "x-tuf-on-ci-expiry-period": 7,
    "x-tuf-on-ci-signing-period": 6
   }
  },
  "spec_version": "1.0.31",
  "version": 2,
  "x-tuf-on-ci-expiry-period": 240,
  "x-tuf-on-ci-signing-period": 60
 }
}"
+    mirror: "https://tuf-repo.github.com"

test/conformance/chainsaw/e2e-matrix.json

@@ -106,6 +106,9 @@
   "reports": [
     "^reports$"
   ],
+  "sigstore-custom-tuf": [
+    "^sigstore-custom-tuf$"
+  ],
   "ttl": [
     "^ttl$"
   ],

test/conformance/chainsaw/sigstore-custom-tuf/sigstore-image-verification-test/README.md

@@ -0,0 +1,4 @@
+## Description
+
+This test verifies sigstore bundle attached to an image.
+

test/conformance/chainsaw/sigstore-custom-tuf/sigstore-image-verification-test/chainsaw-test.yaml

@@ -0,0 +1,20 @@
+apiVersion: chainsaw.kyverno.io/v1alpha1
+kind: Test
+metadata:
+  creationTimestamp: null
+  name: sigstore-image-verification
+spec:
+  steps:
+  - name: step-01
+    try:
+    - apply:
+        file: policy.yaml
+    - assert:
+        file: policy-assert.yaml
+  - name: step-02
+    try:
+    - apply:
+        file: pod.yaml
+    - assert:
+        file: pod-assert.yaml
+

test/conformance/chainsaw/sigstore-custom-tuf/sigstore-image-verification-test/pod-assert.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: test-pod
+  namespace: default
+

test/conformance/chainsaw/sigstore-custom-tuf/sigstore-image-verification-test/pod.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: test-pod
+  namespace: default
+spec:
+  containers:
+  - image: ghcr.io/nirmata/github-signing-demo:latest
+    name: test-container
+

test/conformance/chainsaw/sigstore-custom-tuf/sigstore-image-verification-test/policy-assert.yaml

@@ -0,0 +1,10 @@
+apiVersion: kyverno.io/v1
+kind: ClusterPolicy
+metadata:
+  name: sigstore-image-verification
+status:
+  conditions:
+  - reason: Succeeded
+    status: "True"
+    type: Ready
+

test/conformance/chainsaw/sigstore-custom-tuf/sigstore-image-verification-test/policy.yaml

@@ -0,0 +1,29 @@
+apiVersion: kyverno.io/v1
+kind: ClusterPolicy
+metadata:
+  annotations:
+    pod-policies.kyverno.io/autogen-controllers: none
+  name: sigstore-image-verification
+spec:
+  background: false
+  validationFailureAction: Enforce
+  webhookTimeoutSeconds: 30
+  rules:
+  - match:
+      any:
+      - resources:
+          kinds:
+          - Pod
+    name: sigstore-image-verification
+    verifyImages:
+    - imageReferences:
+      - "*"
+      type: SigstoreBundle
+      attestors:
+      - entries:
+        - keyless:
+            issuer: https://token.actions.githubusercontent.com
+            subject: https://github.com/nirmata/github-signing-demo/.github/workflows/build-attested-image.yaml@refs/heads/main
+            rekor:
+                url: https://rekor.sigstore.dev
+                ignoreTlog: true