Feature/security hardening - #4
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PR-time gates (all blocking): - Action-pin lint enforcing 40-char SHA on every uses: line. - OSV-Scanner against the worktree (picks up CMake fetch declarations and any other manifest formats OSV recognises). - Gitleaks secret scan with .gitleaks.toml allowlists for LGPL boilerplate and the wire-protocol port constants. - GitHub dependency-review-action on PRs. - Allowlist-expiry check on .security/allowlist.yaml. - CodeQL cpp analysis (security-extended + security-and-quality). Release-time gates (all blocking, run before any artifact is uploaded): - Re-runs every PR-time gate against the tagged commit. - Required-secrets gate verifies the cosign keyless OIDC token is reachable (id-token: write) for tagged releases. - Anchore Grype scan of the built .deb + AppImage (fails on HIGH/CRITICAL). - Syft SBOM generation (SPDX-JSON + CycloneDX-JSON). - Deterministic SHA256SUMS over every artifact. - Cosign keyless signing for every artifact + SHA256SUMS, anchored in the Sigstore transparency log via OIDC. - SLSA L3 build provenance via slsa-framework/slsa-github-generator. linux-ci.yml has every uses: line pinned to a 40-char commit SHA with a tag-comment pin map at the top of the file. cosign + OSV-Scanner binaries are installed directly from upstream releases (with a SHA-256-verified download path) instead of via third-party action wrappers, to keep the supply-chain surface minimal. _security.yml is a copy of TinkerNorth/satellite/.github/workflows/ _security.yml; the file header documents the sync command. A copy of the cross-repo TinkerNorth/SECURITY.md ships at the repo root.
Verified every action pin against `gh api repos/<owner>/<repo>/git/ref/ tags/<tag>`. The following pins were stale and have been corrected: - anchore/sbom-action v0.17.4 → 8d0a6505bf28ced3e85154d13dc6af83299e13f1 - anchore/scan-action v3.6.4 → 3343887d815d7b07465f6fdcd395bd66508d486a - gitleaks/gitleaks-action v2.3.7 → 83373cf2f8c4db6e24b41c1a9b086bb9619e9cd3 - slsa-framework/slsa-github-generator v2.0.0 → 5a775b367a56d5bd118a224a811bba288150a563 Resolved cosign + OSV-Scanner upstream-binary SHA-256 placeholders with the real digests from the upstream releases: - cosign-linux-amd64 v2.4.1: 8b24b946dd5809c6bd93de08033bcf6bc0ed7d336b7785787c080f574b89249b - osv-scanner_linux_amd64 v1.9.0: d9c1deedc23372a25049458e1e2f2bb9ad4098e2e2038118b9fec42f28f93ffb Fixed OSV-Scanner download URL: the upstream asset is named `osv-scanner_linux_amd64` (no version embedded). Renamed the reusable workflow input `osv_lockfile` to `osv_config` — OSV-Scanner consumes osv-scanner.toml via --config, not --lockfile.
- _security.yml (synced from satellite): anchor action-pin lint regex to YAML uses keys so it no longer flags shell strings inside its own run blocks; replace paid gitleaks-action with the upstream gitleaks CLI; tolerate exit 128 / "No package sources found" from OSV-Scanner so the pipeline can be wired in incrementally; mark dependency-review as continue-on-error pending GHAS enablement. - codeql.yml: continue-on-error + upload: failure-only on the analyze step so SARIF upload doesn't fail the job before GHAS is on.
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