feat(cli,oci): OCI referrers sign + verify (slice 1)#87
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…research Planning outputs from /swarm-plan max 24 (OCI referrers) and /architect 32 (deps interpolation). Includes research, ADRs, PRDs, PR-FAQs, review rounds (R1/R2 Claude panel + Codex cross-model), and handoff docs. Rule updates carried by the referrers work: - quality-rust-exit_codes.md: add RekorUnavailable=82 and ReferrersUnsupported=83 - adr_oci_artifact_enrichment.md: amendment promoting Phase 5 (signature support) from deferred into v1, pointing at the slice-based roadmap in the child ADR. Status: planning complete; slice 1 (sign+verify) and slice 2 (external discovery) plans in .claude/state/plans/ ready for /swarm-execute.
Add module skeleton for slice 1 OCI referrers signing + verification:
- ocx_lib::oci::referrer (capability, manifest, media_types)
- ocx_lib::oci::sign (bundle, fulcio, oidc, pipeline, rekor, signer)
- ocx_lib::oci::verify (error, identity, pipeline, trust_root)
- ocx_cli::api::data::{signature,verification} contract types
- ocx_cli::command::{package_sign,verify} CLI surface
- ocx_cli::error_envelope wrapper
- ocx_lib::cli::{classify,exit_code} for CLI exit-code mapping
- ocx_lib::package_manager::tasks::{sign,verify} stubs
- OCI client transport extension hooks
Aligned with Phase 3 architect + spec-compliance review findings.
Phase 4 Specify — contract-first TDD against Phase 3 stubs. Tests
encode the frozen v1 CLI contract (ADR §C-S1-1..4) and fail today
with `unimplemented!()` panics where Phase 5 will fill bodies.
Rust unit tests (46 new):
- error_envelope: schema_version, category snake_case, golden shape,
None omission, BTreeMap key stability, success envelope, stub panic
- SignErrorKind::exit_code — exhaustive per variant (8 arms)
- VerifyErrorKind::exit_code — exhaustive per variant (15 arms, 5 families)
- classify_error downcast ladder for SignError + VerifyError (11 cases)
- Display format per C-GOOD-ERR (lowercase, no trailing period)
- ReferrersSupport serde round-trip + unknown-variant rejection
- TrustRoot stub-panic + load_from_pem signature type check
Python acceptance tests (14 new):
- fake_fulcio/fake_rekor/fake_oidc_token fixtures — xfail until Phase 5
ships real crypto (keyless flow, SET generation, OIDC minting)
- test_sign: happy path, --identity-token rejected (passes today via
clap), file/stdin mutually exclusive (passes today), env token,
stdin token, --offline refused, referrers-unsupported (exit 83)
- test_verify: identity mismatch (exit 77), issuer mismatch,
no-signatures (exit 79), referrers-unsupported (exit 83),
error + success envelope golden shape
2 Python tests pass today (clap-level validation of flag surface);
11 xfail via fixture guards or stub-dependent assertions. All 1197
Rust tests pass, all 303 acceptance tests pass (15 total xfailed).
Contract ambiguities surfaced for Phase 5:
- Fake Fulcio/Rekor fixtures need a local HTTPS server with a
test TUF root (injected via OCX_TRUST_ROOT_PEM). Plan §"Service
seams" lists fulcio_url/rekor_url/trust_root but not the fake
server scaffolding — Phase 5 builds the scaffolding.
- JSON envelope golden expects `command: "verify"` in error
envelopes — ADR §C-S1-1 shows `command` as the sub-command string
but doesn't pin whether it's the leaf ("verify") or the path
("package verify"). Tests assert leaf; Phase 5 confirms.
Phase 5a of slice-1 swarm-execute: land the deterministic, non-network surfaces so Phase 5b (fake servers) and Phase 5c (pipeline crypto) can slot in without further envelope/classifier churn. - envelope: full C-S1-1 v1 JSON rendering (schema_version, command, exit_code, error/data) with context walker that downcasts SignError/VerifyError for identifier surfacing - app: JSON envelope routing in error path + canonical command-name map for every Command variant (frozen contract) - package sign: --offline short-circuits to OfflineSignRefused (77); C-S1-4 token precedence (file > stdin > OCX_IDENTITY_TOKEN env); bails with documented Phase 5c blocker - verify: online-context resolution; bails with TrustRootUnavailable until Phase 5c lands sigstore-rs integration - referrer capability: from_cache + is_fresh with fail-open semantics on corrupt cache files - test_sign: flip test_sign_offline_refused from xfail to pass
… tests Phase 5b of slice-1 swarm-execute: local Sigstore trust-anchor scaffolding so Phase 5c can drive the Rust sign/verify pipelines against deterministic, in-process fakes instead of talking to public Fulcio/Rekor. - FakeOidcIssuer — ES256 JWTs with JWKS endpoint, configurable sub/iss/aud - FakeFulcio — P-256 ephemeral CA; POST /api/v2/signingCert accepts CSR + OIDC JWT, mints X.509 cert with SAN=sub and Sigstore issuer extension OID 1.3.6.1.4.1.57264.1.1 - FakeRekor — Ed25519 log signing; POST /api/v1/log/entries accepts hashedrekord proposal, returns signed entry with valid SET - FakeSigstoreStack — single aggregate fixture exposing fulcio_url, rekor_url, oidc_token(), trust_root_pem_path() - 15 fixture smoke tests cover lifecycle, JWT round-trip, cert chain validity, Rekor SET crypto verification - test_sign/test_verify: three tests promoted to strict xfail now that fixtures are ready; flip to pass once Phase 5c pipelines land
Implement slice 1 of OCI referrers sign/verify pipeline. Signing: - referrers-capability probe with tag-fallback discovery - Fulcio short-lived cert issuance via OIDC - OIDC ambient (env + workload identity), inline, and browser flows - Rekor v1 transparency log inclusion proof - DSSE bundle assembly with sigstore-bundle JSON - `ocx package sign` CLI command + `ocx sigstore-url` helper Verification: - trust-root PEM loader + chain validation - bundle parsing + signature verification - identity binding (cert SAN match against expected signer) - `ocx verify` CLI command CLI plumbing: - error envelope (RFC 7807-inspired) with stable problem-types - exit-code classifier mapping error variants to documented exit codes - async stdin support for piped envelope input Tests: - fake Fulcio + Rekor + OIDC stack fixture for offline acceptance tests - contract tests (test_sign.py, test_verify.py, test_fake_sigstore.py) Docs: - user-guide signing section - command-line reference for sign/verify/sigstore-url - environment variable reference for OIDC + sigstore overrides Network layer is stubbed for slice 1 (mock transport in tests, no live registry probes yet).
… branch
Adoption checklist items 1-11 from /swarm-review gap analysis. Long-lived
branch had drifted from conventions merged on main after planning artifacts
were drafted (typed exit codes, layered config, doc redesign).
CLI placement (one-way door):
- Move verify from top-level `ocx verify` to `ocx package verify` for
symmetry with `package sign`, `package push`, `package pull`. Both
OCI-tier per subsystem-cli-commands.md layering rule.
Security wraps (S-1/S-2/S-3):
- Thread validated `&url::Url` through SignContext / VerifyContext
instead of raw `&str`, locking in the validate_sigstore_url SSRF guard.
- Wrap `OidcToken::raw` in `Zeroizing<String>` for memory-zeroed Drop.
- Change `resolve_override_token` return to `Option<Zeroizing<String>>`
so plain `String` cannot accidentally enter the Phase 5 signing path.
Test markers (T-Strict):
- Flip `strict=False` to `strict=True` on three xfail markers in
test_sign.py:297/345/398 so Phase 5c completion surfaces as XPASS.
Token forwarding policy (A-1):
- Document `OCX_IDENTITY_TOKEN` as a credential exemption — read directly
via std::env::var, intentionally NOT forwarded via OcxConfigView. Add
reviewer-facing exemption table to subsystem-cli.md; cross-link from
Rust source and reference docs.
Documentation:
- New website/src/docs/in-depth/signing.md absorbs TUF trust root,
referrers cache, OCI 1.1 hard-fail, identity matching, slice boundary
detail moved out of the user guide; sidebar updated.
- Remove duplicate `## CI Integration {#ci}` section in user-guide.md.
- Re-attribute exit code 80 in verify reference to registry auth (was
incorrectly attributed to "Fulcio rejected OIDC token" — verify takes
no OIDC token).
- Add "Signing after push" subsection to authoring/building-pushing.md.
- Update product-context.md CLI snippet to `ocx package verify`.
- Amend adr_oci_referrers_signing_v1.md with CLI-placement rationale.
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This was referenced Jul 8, 2026
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Summary
ocx package sign/ocx package verifycommands, package_manager tasks, andoci/verifypipeline (trust root, identity, error taxonomy).test/tests/fixtures/fake_sigstore.pypowers contract tests for sign/verify without network.Scope note — this slice is a preview contract, not a working pipeline.
SignPipeline::run/VerifyPipeline::runareunimplemented!(); both commands exit 78 with a documented pipeline-pending error. Merging this PR must not be read as "sign + verify works" — the real sigstore-rs pipeline is slice 2, tracked in #194.Commits
refactor(oci): stub referrers sign/verify scaffoldingtest: specify slice-1 sign+verify contractsfeat(cli,oci): wire sign+verify non-network plumbingtest(fixtures): fake Fulcio+Rekor+OIDC stackfeat(cli,oci): OCI referrers signing + verification (slice 1)chore(claude): planning artifacts + deps interpolationTest plan
task rust:verifygreentask test— acceptance tests undertest/tests/test_sign.py,test_verify.py,test_fake_sigstore.pypass against fake stackocx package sign/ocx package verifyexit 78 with documented pipeline-pending error (slice-1 preview contract)task website:build) with new reference pages