Harden CI installs against supply-chain lifecycle hooks

This commit is contained in:
Affaan Mustafa
2026-05-15 17:09:19 -04:00
committed by Affaan Mustafa
parent 6951b8d5d2
commit f7035b5644
6 changed files with 80 additions and 157 deletions

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@@ -68,73 +68,6 @@ jobs:
if: matrix.pm == 'bun'
uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
# Cache configuration
- name: Get npm cache directory
if: matrix.pm == 'npm'
id: npm-cache-dir
shell: bash
run: echo "dir=$(npm config get cache)" >> $GITHUB_OUTPUT
- name: Restore npm cache
if: matrix.pm == 'npm'
continue-on-error: true
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ${{ steps.npm-cache-dir.outputs.dir }}
key: ${{ runner.os }}-node-${{ matrix.node }}-npm-${{ hashFiles('**/package-lock.json') }}
restore-keys: |
${{ runner.os }}-node-${{ matrix.node }}-npm-
- name: Get pnpm store directory
if: matrix.pm == 'pnpm'
id: pnpm-cache-dir
shell: bash
env:
COREPACK_ENABLE_STRICT: '0'
run: echo "dir=$(pnpm store path)" >> $GITHUB_OUTPUT
- name: Restore pnpm cache
if: matrix.pm == 'pnpm'
continue-on-error: true
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ${{ steps.pnpm-cache-dir.outputs.dir }}
key: ${{ runner.os }}-node-${{ matrix.node }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}
restore-keys: |
${{ runner.os }}-node-${{ matrix.node }}-pnpm-
- name: Get yarn cache directory
if: matrix.pm == 'yarn'
id: yarn-cache-dir
shell: bash
run: |
# Try Yarn Berry first, fall back to Yarn v1
if yarn config get cacheFolder >/dev/null 2>&1; then
echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT
else
echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
fi
- name: Restore yarn cache
if: matrix.pm == 'yarn'
continue-on-error: true
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ${{ steps.yarn-cache-dir.outputs.dir }}
key: ${{ runner.os }}-node-${{ matrix.node }}-yarn-${{ hashFiles('**/yarn.lock') }}
restore-keys: |
${{ runner.os }}-node-${{ matrix.node }}-yarn-
- name: Restore bun cache
if: matrix.pm == 'bun'
continue-on-error: true
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ~/.bun/install/cache
key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
restore-keys: |
${{ runner.os }}-bun-
# Install dependencies
# COREPACK_ENABLE_STRICT=0 allows pnpm to install even though
# package.json declares "packageManager": "yarn@..."
@@ -142,16 +75,18 @@ jobs:
shell: bash
env:
COREPACK_ENABLE_STRICT: '0'
npm_config_ignore_scripts: 'true'
YARN_ENABLE_SCRIPTS: 'false'
run: |
case "${{ matrix.pm }}" in
npm) npm ci ;;
npm) npm ci --ignore-scripts ;;
# pnpm v10 can fail CI on ignored native build scripts
# (for example msgpackr-extract) even though this repo is Yarn-native
# and pnpm is only exercised here as a compatibility lane.
pnpm) pnpm install --config.strict-dep-builds=false --no-frozen-lockfile ;;
pnpm) pnpm install --ignore-scripts --config.strict-dep-builds=false --no-frozen-lockfile ;;
# Yarn Berry (v4+) removed --ignore-engines; engine checking is no longer a core feature
yarn) yarn install ;;
bun) bun install ;;
yarn) yarn install --mode=skip-build ;;
bun) bun install --ignore-scripts ;;
*) echo "Unsupported package manager: ${{ matrix.pm }}" && exit 1 ;;
esac

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@@ -59,88 +59,24 @@ jobs:
if: inputs.package-manager == 'bun'
uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
- name: Get npm cache directory
if: inputs.package-manager == 'npm'
id: npm-cache-dir
shell: bash
run: echo "dir=$(npm config get cache)" >> $GITHUB_OUTPUT
- name: Restore npm cache
if: inputs.package-manager == 'npm'
continue-on-error: true
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ${{ steps.npm-cache-dir.outputs.dir }}
key: ${{ runner.os }}-node-${{ inputs.node-version }}-npm-${{ hashFiles('**/package-lock.json') }}
restore-keys: |
${{ runner.os }}-node-${{ inputs.node-version }}-npm-
- name: Get pnpm store directory
if: inputs.package-manager == 'pnpm'
id: pnpm-cache-dir
shell: bash
env:
COREPACK_ENABLE_STRICT: '0'
run: echo "dir=$(pnpm store path)" >> $GITHUB_OUTPUT
- name: Restore pnpm cache
if: inputs.package-manager == 'pnpm'
continue-on-error: true
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ${{ steps.pnpm-cache-dir.outputs.dir }}
key: ${{ runner.os }}-node-${{ inputs.node-version }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}
restore-keys: |
${{ runner.os }}-node-${{ inputs.node-version }}-pnpm-
- name: Get yarn cache directory
if: inputs.package-manager == 'yarn'
id: yarn-cache-dir
shell: bash
run: |
# Try Yarn Berry first, fall back to Yarn v1
if yarn config get cacheFolder >/dev/null 2>&1; then
echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT
else
echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
fi
- name: Restore yarn cache
if: inputs.package-manager == 'yarn'
continue-on-error: true
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ${{ steps.yarn-cache-dir.outputs.dir }}
key: ${{ runner.os }}-node-${{ inputs.node-version }}-yarn-${{ hashFiles('**/yarn.lock') }}
restore-keys: |
${{ runner.os }}-node-${{ inputs.node-version }}-yarn-
- name: Restore bun cache
if: inputs.package-manager == 'bun'
continue-on-error: true
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: ~/.bun/install/cache
key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
restore-keys: |
${{ runner.os }}-bun-
# COREPACK_ENABLE_STRICT=0 allows pnpm to install even though
# package.json declares "packageManager": "yarn@..."
- name: Install dependencies
shell: bash
env:
COREPACK_ENABLE_STRICT: '0'
npm_config_ignore_scripts: 'true'
YARN_ENABLE_SCRIPTS: 'false'
run: |
case "${{ inputs.package-manager }}" in
npm) npm ci ;;
npm) npm ci --ignore-scripts ;;
# pnpm v10 can fail CI on ignored native build scripts
# (for example msgpackr-extract) even though this repo is Yarn-native
# and pnpm is only exercised here as a compatibility lane.
pnpm) pnpm install --config.strict-dep-builds=false --no-frozen-lockfile ;;
pnpm) pnpm install --ignore-scripts --config.strict-dep-builds=false --no-frozen-lockfile ;;
# Yarn Berry (v4+) removed --ignore-engines; engine checking is no longer a core feature
yarn) yarn install ;;
bun) bun install ;;
yarn) yarn install --mode=skip-build ;;
bun) bun install --ignore-scripts ;;
*) echo "Unsupported package manager: ${{ inputs.package-manager }}" && exit 1 ;;
esac

View File

@@ -34,12 +34,12 @@ Run these from `everything-claude-code` unless a row says otherwise.
| AgentShield PRs/issues | GitHub connector and `gh` readback | 0 open PRs; 0 open issues |
| ECC Tools PRs/issues | Local `gh pr list` and `gh issue list` | 0 open PRs; 0 open issues |
| Discussion baseline | GraphQL discussion sweep | Main repo #1923 marked answered; no answerable Q&A missing an answer |
| Supply-chain IOC scan | `node scripts/ci/scan-supply-chain-iocs.js --root <ECC-workspace> --home` | Passed; 1241 files inspected |
| Supply-chain IOC scan | `node scripts/ci/scan-supply-chain-iocs.js --root <ECC-workspace> --home` | Passed; repo/home targeted scan inspected 200 files after clean no-script reinstall |
| IOC unit tests | `node tests/ci/scan-supply-chain-iocs.test.js` | 15/15 passed |
| Dead-man switch persistence sweep | Process, LaunchAgent, and known payload filename sweep for Mini Shai-Hulud markers | No matches |
| Workflow security gate | `node scripts/ci/validate-workflow-security.js` | Passed; 8 workflow files inspected |
| Workflow security gate | `node scripts/ci/validate-workflow-security.js` | Passed; 8 workflow files inspected; package-manager test installs disable lifecycle scripts and no Actions cache use remains |
| Supply-chain watch workflow | `.github/workflows/supply-chain-watch.yml` | Scheduled every 6 hours; emits `supply-chain-ioc-report.json` |
| npm signatures and audit | `npm audit signatures && npm audit --audit-level=moderate` in main, AgentShield, ECC Tools | 0 vulnerabilities in each checked package |
| npm signatures and audit | `npm audit signatures && npm audit --audit-level=high` in main | 213 verified signatures, 17 verified attestations, 0 high vulnerabilities |
## Prompt-To-Artifact Checklist

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@@ -126,8 +126,10 @@ If ECC or a maintainer machine installed a known-bad package version:
keys, and local `.npmrc` tokens;
- any MCP, plugin, or harness credentials available in environment variables
or user-scope config.
6. Purge GitHub Actions caches for affected repositories.
7. Reinstall from a clean environment with `npm ci --ignore-scripts` first.
6. Purge GitHub Actions dependency caches for affected repositories.
7. Reinstall from a clean environment with lifecycle scripts disabled first:
`npm ci --ignore-scripts`, `pnpm install --ignore-scripts`,
`yarn install --mode=skip-build`, or `bun install --ignore-scripts`.
8. Re-enable lifecycle scripts only after the dependency tree and package
versions are pinned to known-clean releases.
@@ -136,7 +138,9 @@ If ECC or a maintainer machine installed a known-bad package version:
ECC enforces these rules through `scripts/ci/validate-workflow-security.js`:
- privileged workflows must not checkout untrusted PR refs;
- workflows with write permissions must use `npm ci --ignore-scripts`;
- all workflow dependency installs must disable lifecycle scripts;
- workflows must not restore or save shared GitHub Actions dependency caches
during active supply-chain hardening;
- workflows with `id-token: write` must not restore or save shared dependency
caches;
- workflows that run `npm audit` must also run `npm audit signatures`;

View File

@@ -25,11 +25,28 @@ const RULES = [
];
const WRITE_PERMISSION_PATTERN = /^\s*(?:contents|issues|pull-requests|actions|checks|deployments|discussions|id-token|packages|pages|repository-projects|security-events|statuses):\s*write\b/m;
const NPM_CI_PATTERN = /\bnpm\s+ci\b(?![^\n]*--ignore-scripts)/g;
const NPM_AUDIT_PATTERN = /\bnpm\s+audit\b(?!\s+signatures\b)/;
const NPM_AUDIT_SIGNATURES_PATTERN = /\bnpm\s+audit\s+signatures\b/;
const ACTIONS_CACHE_PATTERN = /uses:\s*['"]?actions\/cache@/m;
const ID_TOKEN_WRITE_PATTERN = /^\s*id-token:\s*write\b/m;
const UNSAFE_INSTALL_PATTERNS = [
{
pattern: /\bnpm\s+ci\b(?![^\n]*--ignore-scripts)/g,
description: 'npm ci must include --ignore-scripts',
},
{
pattern: /\bpnpm\s+install\b(?![^\n]*--ignore-scripts)/g,
description: 'pnpm install must include --ignore-scripts',
},
{
pattern: /\byarn\s+install\b(?![^\n]*--mode=skip-build)/g,
description: 'yarn install must use --mode=skip-build',
},
{
pattern: /\bbun\s+install\b(?![^\n]*--ignore-scripts)/g,
description: 'bun install must include --ignore-scripts',
},
];
function getWorkflowFiles(workflowsDir) {
if (!fs.existsSync(workflowsDir)) {
@@ -120,11 +137,14 @@ function findViolations(filePath, source) {
}
}
for (const match of source.matchAll(NPM_CI_PATTERN)) {
}
for (const installRule of UNSAFE_INSTALL_PATTERNS) {
for (const match of source.matchAll(installRule.pattern)) {
violations.push({
filePath,
event: 'write-permission install',
description: 'workflows with write permissions must install npm dependencies with --ignore-scripts',
event: 'dependency install scripts',
description: `workflow dependency installs must not run lifecycle scripts: ${installRule.description}`,
expression: match[0],
line: getLineNumber(source, match.index),
});
@@ -141,6 +161,16 @@ function findViolations(filePath, source) {
});
}
if (ACTIONS_CACHE_PATTERN.test(source)) {
violations.push({
filePath,
event: 'dependency cache',
description: 'GitHub Actions dependency caches are disabled during active supply-chain hardening',
expression: 'actions/cache',
line: getLineNumber(source, source.search(ACTIONS_CACHE_PATTERN)),
});
}
if (/\bpull_request_target\s*:/m.test(source) && ACTIONS_CACHE_PATTERN.test(source)) {
violations.push({
filePath,

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@@ -107,21 +107,39 @@ function run() {
assert.match(result.stderr, /pull_request_target workflows must not restore or save shared dependency caches/);
})) passed++; else failed++;
if (test('rejects npm ci without ignore-scripts in workflows with write permissions', () => {
if (test('rejects dependency cache use in ordinary workflows', () => {
const result = runValidator({
'unsafe-write-install.yml': `name: Unsafe\non:\n workflow_dispatch:\npermissions:\n contents: read\n issues: write\njobs:\n audit:\n runs-on: ubuntu-latest\n steps:\n - run: npm ci\n`,
'unsafe-cache.yml': `name: Unsafe\non:\n pull_request:\njobs:\n test:\n runs-on: ubuntu-latest\n steps:\n - uses: actions/cache@v5\n with:\n path: ~/.npm\n key: cache\n`,
});
assert.notStrictEqual(result.status, 0, 'Expected validator to fail on npm ci without --ignore-scripts');
assert.match(result.stderr, /write permissions must install npm dependencies with --ignore-scripts/);
assert.notStrictEqual(result.status, 0, 'Expected validator to fail on actions/cache use');
assert.match(result.stderr, /dependency caches are disabled during active supply-chain hardening/);
})) passed++; else failed++;
if (test('allows npm ci with ignore-scripts in workflows with write permissions', () => {
if (test('rejects npm ci without ignore-scripts in any workflow', () => {
const result = runValidator({
'safe-write-install.yml': `name: Safe\non:\n workflow_dispatch:\npermissions:\n contents: read\n issues: write\njobs:\n audit:\n runs-on: ubuntu-latest\n steps:\n - run: npm ci --ignore-scripts\n`,
'unsafe-install.yml': `name: Unsafe\non:\n pull_request:\njobs:\n audit:\n runs-on: ubuntu-latest\n steps:\n - run: npm ci\n`,
});
assert.notStrictEqual(result.status, 0, 'Expected validator to fail on npm ci without --ignore-scripts');
assert.match(result.stderr, /npm ci must include --ignore-scripts/);
})) passed++; else failed++;
if (test('allows package-manager installs with lifecycle scripts disabled', () => {
const result = runValidator({
'safe-install.yml': `name: Safe\non:\n pull_request:\njobs:\n audit:\n runs-on: ubuntu-latest\n steps:\n - run: |\n npm ci --ignore-scripts\n pnpm install --ignore-scripts --no-frozen-lockfile\n yarn install --mode=skip-build\n bun install --ignore-scripts\n`,
});
assert.strictEqual(result.status, 0, result.stderr || result.stdout);
})) passed++; else failed++;
if (test('rejects pnpm, yarn, and bun installs that run lifecycle scripts', () => {
const result = runValidator({
'unsafe-matrix-install.yml': `name: Unsafe\non:\n pull_request:\njobs:\n audit:\n runs-on: ubuntu-latest\n steps:\n - run: |\n pnpm install --no-frozen-lockfile\n yarn install\n bun install\n`,
});
assert.notStrictEqual(result.status, 0, 'Expected validator to fail on script-running installs');
assert.match(result.stderr, /pnpm install must include --ignore-scripts/);
assert.match(result.stderr, /yarn install must use --mode=skip-build/);
assert.match(result.stderr, /bun install must include --ignore-scripts/);
})) passed++; else failed++;
if (test('rejects checkout credential persistence in workflows with write permissions', () => {
const result = runValidator({
'unsafe-write-checkout.yml': `name: Unsafe\non:\n workflow_dispatch:\npermissions:\n contents: write\njobs:\n release:\n runs-on: ubuntu-latest\n steps:\n - uses: actions/checkout@v4\n - run: npm ci --ignore-scripts\n`,