Commit Graph

197 Commits

Author SHA1 Message Date
shankar0123 c351bba41a acme-server: orders + authorizations + finalize + cert download (Phase 2/7)
Closes the issuance loop in trust_authenticated mode (commits ec88a61
+ 44a85d6 wired the foundation + JWS-verified account resource).
After this commit, an ACME client running against a profile with
acme_auth_mode='trust_authenticated' end-to-end-issues a real cert:

  POST /acme/profile/<id>/new-order      → 201 + order URL (status=ready)
  POST /acme/profile/<id>/order/<oid>    → POST-as-GET fetch
  POST /acme/profile/<id>/order/<oid>/finalize  → 200 + status=valid + cert URL
  POST /acme/profile/<id>/cert/<cid>     → 200 + PEM chain

Profiles with acme_auth_mode='challenge' get the same code path with
authz/challenge rows in `pending` state until Phase 3's validators
wire up. The mode is read from the bound profile's column at request
time, NOT cached at server start — operators flipping the column via
SQL take effect on the next order without restart.

Architecture (the load-bearing part):
  - Finalize routes through service.CertificateService.Create — the
    canonical certctl issuance entry point that wraps the
    managed_certificates row insert + audit row in s.tx.WithinTx.
    RenewalPolicy / CertificateProfile / per-issuer-type Prometheus
    metrics / audit rows all apply uniformly to ACME-issued certs via
    the same code path that already serves EST/SCEP/agent/REST issuance.
  - Identifier validation runs BEFORE order creation. Rejected
    identifiers return RFC 7807 with per-identifier subproblems and
    create no order row.
  - Source stamp on managed_certificates: domain.CertificateSourceACME.
    Operators bulk-revoke ACME-issued certs by filtering on Source=ACME.
  - 3-step atomicity boundary documented in code + this commit msg:
    (A) WithinTx-A marks order processing + audit row.
    (B) IssuerConnector.IssueCertificate + CertificateService.Create
        (each in its own WithinTx — Create wraps cert row + audit
        atomically).
    (C) WithinTx-C creates certificate_versions row + transitions order
        to valid + sets certificate_id + audit row.
    The brief window between B and C can leave a managed_certificates
    row whose order is still in `processing`. Phase 5's GC scheduler
    reconciles. Documented inline.

What ships:
  - internal/api/acme/order.go: OrderResponseJSON + AuthorizationResponseJSON
    + ChallengeResponseJSON + NewOrderRequest + FinalizeRequest wire
    shapes; ValidateIdentifiers (Phase 2 syntactic checks, dns-only);
    CSRMatchesIdentifiers (RFC 8555 §7.4 strict equality, case-folded).
  - internal/domain/acme.go: ACMEOrder + ACMEAuthorization + ACMEChallenge
    + ACMEIdentifier + ACMEProblem domain types + closed status enums
    for each (order: pending|ready|processing|valid|invalid; authz:
    pending|valid|invalid|deactivated|expired|revoked; challenge:
    pending|processing|valid|invalid; challenge type: http-01|dns-01|
    tls-alpn-01).
  - internal/domain/profile.go: new ACMEAuthMode field reading from
    certificate_profiles.acme_auth_mode (added in migration 25).
  - internal/domain/certificate.go: new CertificateSourceACME enum value.
  - internal/repository/postgres/profile.go: extended SELECT/scanProfile
    to read the per-profile acme_auth_mode column with a COALESCE
    default of trust_authenticated.
  - internal/repository/postgres/acme.go: full order/authz/challenge
    CRUD (CreateOrderWithTx + GetOrderByID + UpdateOrderWithTx +
    CreateAuthzWithTx + GetAuthzByID + ListAuthzsByOrder +
    ListChallengesByAuthz + CreateChallengeWithTx) with proper
    sql.NullTime + JSONB handling. scanACMEOrder /
    scanACMEAuthz / scanACMEChallenge helpers.
  - internal/service/acme.go: extended ACMERepo interface; new
    SetIssuancePipeline wires certificateService + certificateRepo +
    issuerRegistry. CreateOrder (auth-mode-dispatched: trust_authenticated
    auto-marks order ready + authz valid + 1 placeholder http-01
    challenge valid; challenge mode keeps everything pending). LookupOrder
    (with account-ownership assertion). LookupAuthz. ListAuthzsByOrder.
    FinalizeOrder (3-step atomicity boundary as above; CSR-vs-order
    SAN strict-equality check before issuance; persists FinalizeOrderResult
    {Order, CertID}). LookupCertificate. randIDSuffix + base32encode
    helpers for the human-readable acme-ord-* / acme-authz-* /
    acme-chall-* prefixes (CLAUDE.md "TEXT primary keys with human-
    readable prefixes" architecture decision). 8 new per-op metrics.
  - internal/service/acme_test.go: extended fakeACMERepo with Phase 2
    interface stubs; new orderTrackingRepo for observable persistence;
    2 new tests asserting trust_authenticated → auto-ready/valid and
    challenge → stays-pending.
  - internal/api/handler/acme.go: NewOrder + Order + OrderFinalize +
    Authz + Cert handler methods. orderURL / authzURL / certURL /
    challengeURLBuilder helpers; marshalOrderForResponse fetches
    per-order authzs to populate the URL list. parseOptionalTime for
    notBefore / notAfter.
  - internal/api/handler/acme_handler_test.go: extended mockACMEService
    with Phase 2 method stubs; 4 new handler tests (NewOrder happy +
    rejected-identifier + OrderFinalize bad-CSR + Cert happy).
  - internal/api/router/router.go: 10 new Register calls (5 per-profile
    + 5 shorthand) for new-order, order/{ord_id}, order/{ord_id}/finalize,
    authz/{authz_id}, cert/{cert_id}.
  - internal/api/router/openapi_parity_test.go + api/openapi-handler-exceptions.yaml:
    10 new exception entries.
  - cmd/server/main.go: SetIssuancePipeline at startup, threading
    certificateService + certificateRepo + issuerRegistry into ACMEService.
  - docs/acme-server.md: phase status updated; endpoints table grows
    5 rows for new-order/order/finalize/authz/cert (per-profile +
    shorthand variants); new section "Finalize routing through
    CertificateService.Create" documenting the 3-step atomicity
    boundary + the actor-string convention `acme:<account-id>`.

Tests: ACME package + service + handler + router + config + domain
all green under -short. New cases:
  - TestCreateOrder_TrustAuthenticated_AutoReady (asserts auto-ready
    transition + valid-status authz/challenge + audit row + metric bump).
  - TestCreateOrder_ChallengeMode_StaysPending (asserts pending-status
    cascading authz/challenge for challenge mode).
  - TestACMEHandler_NewOrder_HappyPath (asserts 201 + Location +
    finalize URL shape).
  - TestACMEHandler_NewOrder_RejectedIdentifier (asserts 400 + RFC 7807
    rejectedIdentifier + per-identifier subproblems for type=ip).
  - TestACMEHandler_OrderFinalize_BadCSR (asserts 400 + badCSR for
    non-base64 CSR field).
  - TestACMEHandler_Cert_HappyPath (asserts 200 + PEM content-type +
    PEM chain in body).

Engineering history: cowork/WORKSPACE-CHANGELOG.md "ACME-Server-2".
2026-05-03 13:46:10 +00:00
shankar0123 44a85d6f85 acme-server: account resource + JWS verifier (Phase 1b/7)
Layers JWS-authenticated POST machinery onto the Phase 1a foundation
(commit ec88a61). After this commit, an ACME client can run

  POST /acme/profile/<id>/new-account

against certctl and successfully register an account. Account update
+ deactivation via POST /acme/profile/<id>/account/<acc-id> work.
Orders + challenges remain Phase 2 / 3.

Background:
  Two prior dispatch attempts at the original Phase 1 ("skeleton +
  directory + new-nonce + new-account" as a single commit) failed on
  go-jose v4 API speculation (jws.GetPayload, sig.Algorithm,
  jose.SHA256, etc. — none of those exist in v4). Splitting Phase 1
  into 1a (foundation, no go-jose) and 1b (this commit, all go-jose
  in one place) concentrated the JWS work where attention pays off.
  The verifier reads the actual go-jose v4 surface — ParseSigned with
  closed alg allow-list, Header struct fields (Algorithm, KeyID,
  JSONWebKey, Nonce, ExtraHeaders[HeaderKey]), JWK.Thumbprint with
  stdlib crypto.SHA256.

What ships:
  - internal/api/acme/jws.go: 487-line verifier + sentinel error
    family. Enforces RFC 8555 §6.2 + §6.4 + §6.5 invariants:
      - alg in {RS256, ES256, EdDSA} (closed allow-list passed to
        jose.ParseSigned — HS256 / none / etc. rejected at parse time)
      - exactly one of `kid` / `jwk` in protected header (per
        endpoint policy — new-account demands jwk, others demand kid)
      - protected `url` matches request URL exactly
      - protected `nonce` consumed against acme_nonces (badNonce on
        miss/replay/expiry per RFC 8555 §6.5.1)
      - kid round-trips against canonical AccountKID(accountID) URL
        (catches cross-profile / cross-host replay)
      - kid path: account exists + status=valid (deactivated /
        revoked accounts cannot authenticate)
      - signature verifies; post-Verify payload bytes equal
        UnsafePayloadWithoutVerification (defense in depth)
    + JWK persistence helpers (JWKToPEM / ParseJWKFromPEM round-
    trip a public-only JWK as a PEM-wrapped JSON envelope; stored
    as TEXT in acme_accounts.jwk_pem for diff-friendliness) +
    JWKThumbprint per RFC 7638.
  - internal/api/acme/jws_test.go: 16 cases covering happy paths
    (RS256 kid, ES256 jwk, EdDSA kid) + every named failure mode
    (alg-not-allowed, bad-sig, missing-nonce, unknown-nonce,
    replay, url-mismatch, mixed kid+jwk, deactivated-account,
    cross-host kid). Uses real keypairs + real go-jose Signer to
    build JWS objects.
  - internal/api/acme/account.go: NewAccountRequest /
    AccountUpdateRequest payload shapes (RFC 8555 §7.3 + §7.3.2 +
    §7.3.6) + AccountResponseJSON wire shape + MarshalAccount
    helper.
  - internal/domain/acme.go: ACMEAccount struct + ACMEAccountStatus
    closed enum (valid / deactivated / revoked).
  - internal/repository/postgres/acme.go: full account CRUD path
    (CreateAccountWithTx with 23505-unique-violation sentinel
    translation, GetAccountByID, GetAccountByThumbprint,
    UpdateAccountContactWithTx, UpdateAccountStatusWithTx) +
    sql.ErrNoRows-wrapped repository.ErrNotFound on lookup misses.
  - internal/service/acme.go: ACMERepo interface extended;
    SetTransactor + SetAuditService wires; NewAccount (idempotent
    re-registration per RFC 8555 §7.3.1 — same JWK returns existing
    row without an update or new audit event); LookupAccount;
    UpdateAccount; DeactivateAccount; VerifyJWS adapter that bridges
    api/acme.VerifierConfig to the service-layer ACMERepo; per-op
    metrics extended (new_account_total + _failures_total +
    _idempotent_total + update_account_total + _failures_total +
    deactivate_account_total).
  - internal/service/acme_test.go: 8 new tests covering
    new-account happy path / idempotent re-registration / only-
    return-existing match + no-match / contact update / deactivate
    / lookup-not-found / requires-transactor.
  - internal/api/handler/acme.go: NewAccount + Account handlers.
    Account dispatches POST-as-GET (RFC 8555 §6.3 — empty body or
    {} payload returns the account row), contact update, and
    deactivation from the same endpoint. Defense-in-depth check
    that the kid path-segment matches the URL path-segment (the
    verifier already round-tripped the kid against canonical URL,
    but the handler re-asserts to catch any future verifier
    refactor).
  - internal/api/handler/acme_handler_test.go: 7 new cases
    covering happy-create, idempotent-200, only-return-existing-
    no-match-400, malformed-JWS-400, kid-URL-mismatch-401,
    deactivate, contact-update, POST-as-GET.
  - internal/api/router/router.go: 4 new Register calls (per-
    profile + shorthand for new-account and account/{acc_id}).
  - internal/api/router/openapi_parity_test.go: SpecParityExceptions
    extended with the 4 new routes (RFC 8555 wire-protocol surface,
    not OpenAPI-shaped — same precedent as Phase 1a).
  - cmd/server/main.go: SetTransactor + SetAuditService on
    acmeService at startup so the WithinTx-based new-account /
    update / deactivate paths run with the same transactor instance
    shared across CertificateService / RevocationSvc / RenewalService.
  - docs/acme-server.md: Phase status updated; endpoints table grows
    new-account + account/<acc_id> rows; new "JWS verification
    (Phase 1b)" section enumerates the 7 invariants the verifier
    enforces; phases-cross-reference table marks 1b live.
  - go.mod / go.sum: github.com/go-jose/go-jose/v4 v4.0.4 added.

Atomicity: every account-state mutation writes its acme_accounts row
+ its audit_events row inside one repository.Transactor.WithinTx
call — the canonical certctl atomicity contract (matches
CertificateService.Create at internal/service/certificate.go:131).
Idempotent re-registration explicitly does NOT write an audit row
(RFC 8555 §7.3.1 returns the existing row unmodified).

Tests: 16 jws_test.go cases + 11 service tests + 11 handler tests
all pass under -short. Bad-signature test uses a real registered
account whose stored JWK is a different keypair from the signer's,
so the JWS parses cleanly but jose.Verify rejects — exercises the
ErrJWSSignatureInvalid path directly.

Engineering history: cowork/WORKSPACE-CHANGELOG.md "ACME-Server-1b".
2026-05-03 13:21:56 +00:00
shankar0123 ec88a61274 acme-server: foundation — directory + new-nonce + per-profile routing (Phase 1a/7)
First slice of the RFC 8555 ACME server endpoint (master plan at
cowork/acme-server-endpoint-prompt.md, per-phase prompts at
cowork/acme-server-prompts/). This commit lands the smallest viable
end-to-end deployable slice: an ACME client running

  curl -sk https://certctl/acme/profile/<id>/directory
  curl -sk -I https://certctl/acme/profile/<id>/new-nonce

successfully fetches the directory document and a Replay-Nonce.
Account creation, JWS verification, orders, challenges, and
revocation are all out of scope for this phase and arrive in Phases
1b–4.

Closes the Rank 1 LHF from the 2026-05-03 Infisical deep-research
(cowork/infisical-deep-research-results.md). Pre-fix, certctl was an
ACME consumer only — no /acme/directory endpoint, no JWS verifier,
no challenge validators. K8s customers running cert-manager could
not point at certctl as an ACME issuer; they had to deploy a certctl
agent on every node.

What ships:
  - internal/api/acme/{directory,nonce,errors}.go (+ tests).
  - internal/api/handler/acme.go + acme_handler_test.go.
  - internal/repository/postgres/acme.go (nonce ops only — Phase 1b
    extends with account CRUD; Phases 2-4 extend with order / authz /
    challenge CRUD).
  - internal/service/acme.go (BuildDirectory + IssueNonce stubs;
    Phase 1b adds VerifyJWS / NewAccount / etc.).
  - migrations/000025_acme_server.{up,down}.sql ships the full 5-table
    ACME schema (acme_accounts / acme_orders / acme_authorizations /
    acme_challenges / acme_nonces) PLUS the per-profile
    certificate_profiles.acme_auth_mode column. Phase 1a actively
    uses only acme_nonces; remaining tables are empty until Phases
    1b-4 plug in.
  - internal/config/config.go: ACMEServerConfig struct + ACMEServer
    field on Config. Env vars use CERTCTL_ACME_SERVER_* prefix to
    avoid colliding with the existing consumer-side ACMEConfig at
    config.go:1746 (CERTCTL_ACME_DIRECTORY_URL / PROFILE /
    CHALLENGE_TYPE etc.). Phase 1a wires Enabled +
    DefaultAuthMode + DefaultProfileID + NonceTTL + DirectoryMeta;
    Order/Authz TTLs + per-challenge-type concurrency caps + DNS01
    resolver are reserved fields parsed in 1a so operators can set
    them ahead of Phases 2/3.
  - cmd/server/main.go: wire ACMEHandler into the HandlerRegistry
    literal alongside the existing certificate / EST / SCEP / etc.
    handlers.
  - internal/api/router/router.go: HandlerRegistry.ACME field + 6
    Register calls (3 per-profile + 3 shorthand).
  - internal/api/router/openapi_parity_test.go: 6 new entries in
    SpecParityExceptions. ACME is a wire-protocol surface (JWS-signed
    JSON over HTTPS per RFC 7515) whose semantics are dictated by
    RFC 8555 + RFC 9773 rather than by an OpenAPI document, same
    precedent as SCEP/EST. The canonical reference is
    docs/acme-server.md.
  - docs/acme-server.md: Phase-1a-shaped reference. Configuration
    table for every CERTCTL_ACME_SERVER_* env var. Per-profile
    auth-mode decision tree skeleton. TLS trust bootstrap section
    flagging cert-manager's ClusterIssuer.spec.acme.caBundle
    requirement (the single biggest first-time-deploy footgun;
    the full cert-manager walkthrough lands in Phase 6 but the
    requirement is documented up front).

Architecture decisions baked in:
  - URL family is /acme/profile/<id>/* (per-profile, canonical) with
    /acme/* shorthand active when CERTCTL_ACME_SERVER_DEFAULT_PROFILE_ID
    is set. Path matches existing per-profile precedent in EST + SCEP.
  - Auth mode is per-profile (acme_auth_mode column on
    certificate_profiles), NOT server-wide. One certctl-server can
    serve trust_authenticated for an internal-PKI profile and
    challenge for a public-trust-style profile simultaneously. The
    column is read at request time, not cached at server start —
    operators flipping a profile's mode via SQL take effect on the
    next order without restart.
  - Nonces are DB-backed (acme_nonces table). Survive server restart.
    The RFC 8555 §6.5 replay defense requires the store to outlast
    the client's nonce caching window; an in-memory-only nonce
    store would lose every in-flight order on restart.
  - Per-op atomic counters on service.ACMEService.Metrics() —
    certctl_acme_directory_total, certctl_acme_directory_failures_total,
    certctl_acme_new_nonce_total, certctl_acme_new_nonce_failures_total.
    Naming follows certctl frozen decision 0.10 cardinality discipline.
    Phase 1b will extend with new_account counters; Phase 2 with
    order / finalize / cert; Phase 3 with per-challenge-type counters.

Audit fixes #11 + #12 (cowork/acme-server-prompts/audit-additions.md)
applied:
  - #11: CERTCTL_ACME_SERVER_* prefix avoids the consumer-side
    CERTCTL_ACME_* namespace collision.
  - #12: prior-attempt WIP from two failed Phase-1 dispatches was
    discarded at phase start; this commit starts from a clean tree.

Tests:
  - 14 unit tests in internal/api/acme/ (directory, nonce, errors).
  - 7 handler-level tests via httptest.NewServer + mockACMEService
    (mirrors the mockSCEPService pattern at scep_handler_test.go).
  - 7 service-layer tests with mocked repo + injected profileLookup.
  - All pass under -race -count=1 -short.

Deferred to Phase 1b:
  - JWS verification (go-jose v4 — see master-prompt §8a for the API
    surface and audit doc for the speculation pitfalls).
  - new-account / account/<id> endpoints + AccountService.
  - Nonce *consumption* path (issue path is in this commit; consume
    is only invoked by JWS-verified POSTs which Phase 1b adds).

Engineering history: cowork/WORKSPACE-CHANGELOG.md "ACME-Server-1a".
Per-phase implementation plan: cowork/acme-server-prompts/.
Master plan + audit fixes: cowork/acme-server-endpoint-prompt.md +
cowork/acme-server-prompt-audit.md +
cowork/acme-server-prompts/audit-additions.md.
2026-05-03 12:55:40 +00:00
shankar0123 b8b7e1e3dd tlsprobe: add VerifyWithExponentialBackoff + rewire all connectors' runPostDeployVerify
Closes Top-10 fix #8 of the 2026-05-02 deployment-target audit
re-run (see cowork/deployment-target-audit-2026-05-02-rerun/
RESULTS.md). Pre-fix, every connector's runPostDeployVerify used
linear backoff (default 3 attempts × 2s linear waits). Linear
backoff misbehaves under load-balanced rollouts: the verify
probe hits a random LB-backed pod, and 3 × 2s often falls into
the worst case where match-fingerprint pods stop responding by
attempt 3 due to LB session-stickiness cycles.

This commit:

1. New shared helper internal/tlsprobe/retry.go::
   VerifyWithExponentialBackoff. Default 3 attempts; 1s initial,
   16s cap. Doubling pattern: 1s → 2s → 4s → 8s → 16s. probe
   func(ctx) error signature so connectors compose
   handshake + fingerprint-compare into one lambda.

2. Each connector's runPostDeployVerify (nginx, apache, haproxy,
   traefik, envoy, postfix, dovecot) rewired to call the
   shared helper. Per-connector signature unchanged.

3. New PostDeployVerifyMaxBackoff time.Duration field added to
   each connector's Config. Operators preserving V2 linear
   behavior set PostDeployVerifyMaxBackoff equal to
   PostDeployVerifyBackoff.

4. Tests:
   - tlsprobe/retry_test.go: TestVerifyWithExponentialBackoff_
     GrowthAndCap + TestVerifyWithExponentialBackoff_
     StopsOnFirstSuccess + TestVerifyWithExponentialBackoff_
     CtxCancellation.
   - One Test<Connector>_VerifyExponentialBackoff_
     GrowsBetweenAttempts per connector (6 total across
     postfix, nginx, apache, haproxy; traefik and envoy
     connectors use unique test signatures so test wiring
     deferred to future unification).

5. docs/deployment-atomicity.md Section 4 updated:
   'linear backoff' → 'exponential backoff (1s → 16s cap)';
   YAML example shows the new field.

Backward-compat note: PostDeployVerifyBackoff was interpreted as
the linear interval pre-fix; post-fix it's interpreted as the
initial backoff (which doubles each attempt). Operators using
the default value (2s) see waits of 2s → 4s → 8s instead of
2s → 2s → 2s. For LB-rollout cases this is the intended
behavior; for single-target deploys the wall-clock is slightly
longer (12s vs 6s for 3 attempts). Operators preserving V2
linear semantics: set PostDeployVerifyMaxBackoff equal to
PostDeployVerifyBackoff.

Verified locally:
- gofmt clean.
- go test -short -count=1 ./internal/tlsprobe/...
  ./internal/connector/target/{postfix,nginx,apache,haproxy}/... green.

Audit reference: cowork/deployment-target-audit-2026-05-02-rerun/
RESULTS.md Top-10 fix #8.
2026-05-02 22:56:07 +00:00
shankar0123 85d247455b docs(postfix): add Mode=postfix vs Mode=dovecot decision matrix subsection
Closes Top-10 fix #9 of the 2026-05-02 deployment-target audit
re-run (see cowork/deployment-target-audit-2026-05-02-rerun/
RESULTS.md). Pre-fix, the Postfix connector's docs in
docs/connectors.md described the connector as a single
"Postfix / Dovecot" target without explicit guidance on when to
use Mode=postfix vs Mode=dovecot. Operators with a mail server
running both Postfix (MTA, port 25) and Dovecot (IMAPS, port
993) had to read source to figure out the dual-deploy pattern.

Bundle 11 (commit b829365) added test pin for Mode=dovecot
(TestPostfix_Atomic_DovecotMode_HappyPath +
TestPostfix_Atomic_DovecotMode_VerifyFails_Rollback). This
commit lands the operator-facing doc that complements the test:

1. New "Choosing Mode=postfix vs Mode=dovecot" subsection in
   docs/connectors.md "Built-in: Postfix / Dovecot" section.
   Covers:
   - When to use each mode (MTA on 25 vs IMAPS on 993).
   - Daemon-specific defaults (cert_path, key_path,
     validate_command, reload_command) cited verbatim from
     internal/connector/target/postfix/postfix.go applyDefaults.
   - Note that postfix is the default when mode is unset.
   - Post-deploy verify endpoint is operator-supplied, NOT a
     per-mode default (the connector does not bake in
     port 25 / 993 — operators set post_deploy_verify.endpoint
     themselves to point at their daemon's listener).
   - Dual-deploy pattern for hosts running both daemons (two
     separate targets; byte-equal cert hits SHA-256
     idempotency on subsequent renewals; targets are independent
     in the scheduler so one reload failing rolls back that
     target only).
   - Shared-cert-via-symlink pattern (atomic-write os.Rename
     follows symlinks).
   - Daemon-specific quirks (Postfix STARTTLS chain
     requirements for external MTA validation; Dovecot IMAPS
     client-facing chain shipping; reload independence).
   - Test pin reference (Bundle 11 commit hash + dovecot test
     names; postfix-mode equivalent test names).

2. Forward-pointer footnote in docs/deployment-atomicity.md
   Section 3 "Per-connector atomic contract" pointing at the
   new subsection.

No code changes; no test changes; doc-only commit.

Verified locally:
- All defaults cited verbatim from postfix.go::applyDefaults
  (cert_path, key_path, validate_command, reload_command).
- Bundle 11 test names verified to exist in
  internal/connector/target/postfix/postfix_atomic_test.go
  (TestPostfix_Atomic_DovecotMode_HappyPath at L272,
  TestPostfix_Atomic_DovecotMode_VerifyFails_Rollback at L354).
- Spec's claim of "verify port 25 / 993 default" was incorrect:
  the connector does not bake in a per-mode verify port.
  Doc reflects ground truth.

Audit reference: cowork/deployment-target-audit-2026-05-02-rerun/
RESULTS.md Top-10 fix #9.
2026-05-02 22:46:44 +00:00
shankar0123 b16e5b5e97 docs(ssh): operator playbook for InsecureIgnoreHostKey design choice
Closes Top-10 fix #7 of the 2026-05-02 deployment-target audit
re-run (see cowork/deployment-target-audit-2026-05-02-rerun/
RESULTS.md). Pre-fix, the SSH connector's
ssh.InsecureIgnoreHostKey() at internal/connector/target/ssh/
ssh.go (realSSHClient.Connect) had only an inline comment
justifying the design choice. An acquirer's diligence engineer
reading the connector cold pattern-matches "MITM hazard" without
seeing the comment.

This commit lands a doc-side operator playbook in
docs/connectors.md SSH section covering:

1. Why the connector accepts any host key (operator-configured
   target infrastructure; mirrors network scanner's
   InsecureSkipVerify and F5's Insecure flag).
2. Threat model the choice accepts (passive eavesdropper on
   operator-controlled network; layered SSH-key auth limits
   blast radius).
3. Threat model the choice does NOT accept (public-internet
   ephemeral hosts, multi-tenant networks, strict MITM-
   resistance regulatory requirements).
4. Mitigations operators can layer (custom SSHClient via
   NewWithClient + golang.org/x/crypto/ssh/knownhosts; SSH
   certificate authentication via @cert-authority pinning;
   network segmentation; per-target key rotation).
5. When to NOT use the SSH connector (regulatory environments,
   dynamic IPs, multi-tenant networks).
6. V3-Pro forward path (built-in known_hosts management,
   tracked in WORKSPACE-ROADMAP.md).

Inline comment in ssh.go realSSHClient.Connect updated to
forward-reference the new doc subsection (no logic change; same
HostKeyCallback: ssh.InsecureIgnoreHostKey() call).

Same shape Bundle 8 used for "Operator playbook: keytool argv
password exposure" in docs/connectors.md JavaKeystore section.

No code-behavior changes. No test changes.

Verified locally:
- gofmt / go vet clean.
- go test -short ./internal/connector/target/ssh/...  green.

Audit reference: cowork/deployment-target-audit-2026-05-02-rerun/
RESULTS.md Top-10 fix #7.
2026-05-02 22:44:30 +00:00
shankar0123 62f0a284be iis,wincertstore: default-deadline ctx wrapper for PowerShell exec calls
Closes Top-10 fix #4 of the 2026-05-02 deployment-target audit
re-run (see cowork/deployment-target-audit-2026-05-02-rerun/
RESULTS.md). Pre-fix, both IIS and WinCertStore's realExecutor
invoked PowerShell via exec.CommandContext(ctx, ...) and relied
entirely on the caller's ctx to provide a deadline. If the caller
forgot to attach one (context.Background() in a deeply-nested
path; an operator running an ad-hoc deploy via a CLI that doesn't
default-deadline its ctx), a hung WinRM session blocked the
deploy worker thread indefinitely.

S2 (failure isolation) bar from the audit: "does a hung WinRM
take down the deploy worker pool?" — today's answer was
"potentially yes" for these two connectors. Post-fix the answer
is "no, capped at the configured ExecDeadline (default 60s)".

This commit:

1. Adds Config.ExecDeadline (time.Duration, json: "exec_deadline")
   to both connectors, defaulted to 60 seconds. WinCertStore
   defaults via the existing applyDefaults helper; IIS defaults
   inline at New() and inside ValidateConfig (the IIS connector
   has no shared applyDefaults helper today; out-of-scope to
   refactor one in for this minor fix). Operators on slow
   Windows links can override via the JSON config field
   exec_deadline.

2. Wraps realExecutor.Execute with a fallback context.WithTimeout
   that fires ONLY when ctx has no deadline of its own. Caller-
   supplied deadlines always win — the wrapper is a safety net,
   not a hard cap. defer cancel() guards against goroutine leaks.

3. Tests:
   - TestIIS_RealExecutor_AttachesDefaultDeadlineWhenCallerHasNone
     (passes context.Background; asserts the call returns within
     500ms with an error). On Linux/macOS runners powershell.exe
     is missing and exec.Cmd fails fast; on Windows the wrapper's
     ctx deadline cancels the running PowerShell process. Either
     path returns well under 500ms.
   - TestIIS_RealExecutor_RespectsCallerDeadlineWhenSet (10s
     fallback executor deadline, 50ms caller ctx; asserts caller
     deadline wins).
   - TestIIS_RealExecutor_NoDeadlineWiredWhenZero (deadline=0
     means no fallback wrapper; caller's tight ctx still bounds).
   - TestIIS_New_DefaultsExecDeadlineTo60s + TestIIS_New_RespectsExplicitExecDeadline
     pin the constructor's defaulting behavior (uses winrm mode
     so the test doesn't need powershell.exe in PATH).
   - Same five tests in wincertstore_test.go.

4. docs/connectors.md IIS + WinCertStore sections document the
   new exec_deadline field with: what it is (per-PowerShell-
   subprocess cap), default (60 seconds), override semantics
   (caller ctx deadline wins).

No change to behavior when the caller already attaches a deadline
(the common case in production code paths). Tests using the mock
executor (mockExecutor in iis_test.go / wincertstore_test.go)
are unaffected — they bypass realExecutor entirely.

S2 cross-cutting scorecard rating in
cowork/deployment-target-audit-2026-05-02-rerun/findings.json
flips from "gap" to "pass" for IIS and WinCertStore (in any
future re-audit).

Verified locally:
- gofmt / go vet / staticcheck clean across both packages.
- go test -race -count=1 ./internal/connector/target/iis/...
  ./internal/connector/target/wincertstore/...  green.

Audit reference: cowork/deployment-target-audit-2026-05-02-rerun/
RESULTS.md Top-10 fix #4.
2026-05-02 22:38:35 +00:00
shankar0123 fb88e0f8a8 docs(deployment-atomicity): K8s row honest + audit-closure rollup
Closes Bundle 1 of the 2026-05-02 deployment-target coverage audit
(see cowork/deployment-target-audit-2026-05-02/RESULTS.md). The
audit's original Bundle 1 spec read "soften the IIS / SSH /
WinCertStore / JavaKeystore / K8s rollback claims first so the doc
isn't a procurement-liability while bundles 5-8 catch the
implementation up." Execution order inverted that loop —
Bundles 3-11 shipped before Bundle 1, and each landed the
implementation that made the corresponding row honest. So this
commit's effective scope is dramatically smaller than the audit
originally specified.

Three changes, all in docs/deployment-atomicity.md:

1. L95 k8ssecret row softened. Pre-fix the row claimed "GetSecret
   RBAC probe" / "Update Secret" / "SHA-256 verify of returned
   Secret" / "Atomic at API server; kubelet sync polled via
   Pod.Status.ContainerStatuses" — as if all four columns described
   live behavior. The production realK8sClient at
   internal/connector/target/k8ssecret/k8ssecret.go:397-420 is
   still a stub returning "real Kubernetes client not implemented
   — use NewWithClient for tests" for every method. Post-fix the
   row says so explicitly, points at the stub source, notes that
   test mocks via NewWithClient work today, and forward-references
   the Bundle 2 tracking prompt at
   cowork/deployment-target-audit-2026-05-02/k8s-real-client-prompt.md.

2. New Section 1.5 "Audit closure status" inserted between
   Overview (Section 1) and the atomic-write primitive (Section 2).
   Pins which deployment-target-audit bundles shipped with their
   commit hashes:

     envoy           Bundle 3   febf500
     traefik         Bundle 4   b767f57
     iis             Bundle 5   30daadb
     ssh             Bundle 6   636de7f
     wincertstore    Bundle 7   60ae92b
     javakeystore    Bundle 8   eb390b2
     caddy           Bundle 9   08a86d3
     postfix/dovecot Bundle 11  b829365

   Outstanding: Bundle 2 (K8s real client) — the V2 P0 blocker.
   Bundle 10 (loadtest, commit e292faa) is documented separately
   at deploy/test/loadtest/README.md as a CI/observability
   addition that doesn't modify the per-connector contract table.
   Section 1.5's closing paragraph documents the execution-order
   inversion so future readers understand why this commit ended
   up smaller than the audit's original spec implied.

3. Section 1's gap table updated. The "Atomic deploy with rollback"
   row's post-bundle column went from "All 13 connectors via
   deploy.Apply" to "12 of 13 connectors via deploy.Apply (K8s
   pending Bundle 2 — see Section 1.5)" with an anchor link.

Rows L81-94 left untouched: each claim is now honest because
Bundles 3-11 implementations landed. Per-bundle commit messages
have been recording this fact ("Post-Bundle-N the claim is
honest; pre-fix it was aspirational") since Bundle 5; this
commit closes the loop by making the doc reflect the same.

What this commit does NOT do:
- Add K8s to Section 11 "V3-Pro deferrals" — Bundle 2 is a V2
  P0 blocker, not a V3-Pro deferral. Mixing the two would
  defer a real procurement-checklist gap into "future work"
  where it doesn't belong.
- Edit rows L81-94 of the per-connector table — they're honest
  as-is.
- Touch docs/architecture.md / connectors.md / security.md —
  those have their own per-section accuracy requirements; this
  commit is scoped to deployment-atomicity.md.

Verified locally:
- gofmt -l ./internal/ ./cmd/  clean (doc-only commit; no Go diff).
- markdown structure check via `grep -n '^## '`: Section 1.5
  inserted cleanly between 1 and 2; no other headings disturbed.
- All 8 commit hashes in Section 1.5 verified against
  `git log --oneline --reverse v2.0.67..HEAD` at HEAD=b829365.

Audit reference: cowork/deployment-target-audit-2026-05-02/RESULTS.md
Bundle 1.
2026-05-02 20:06:24 +00:00
shankar0123 eb390b2db4 javakeystore: pre-deploy export snapshot + on-import-failure rollback + argv-password operator note
Closes Bundle 8 of the 2026-05-02 deployment-target coverage audit
(see cowork/deployment-target-audit-2026-05-02/RESULTS.md). Pre-fix,
DeployCertificate at javakeystore.go:172-272 ran an irreversible
keytool -delete against the existing alias, then keytool
-importkeystore. If the import failed after the delete succeeded,
the keystore was missing the alias entirely — previous cert gone,
new cert never landed. docs/deployment-atomicity.md L94 promised
"keytool snapshot; rollback via keytool -delete + re-import"; the
code didn't deliver. Separately, the operator-facing keystore
password is passed via -storepass argv (a standard keytool
limitation) which is visible to ps(1) for the duration of each
subprocess; this was undocumented as an operator-playbook caveat.

This commit:

1. Pre-delete snapshot. When os.Stat(KeystorePath) succeeds,
   snapshotKeystore runs keytool -exportkeystore to
   <BackupDir>/.certctl-bak.<unix-nanos>.p12 BEFORE the existing
   -delete step. Backup path persisted in a local variable for
   the rollback path; export-step failure aborts the deploy
   entirely (no mutation has happened yet — the keystore is
   untouched). Snapshot skipped on first-time deploys (no
   keystore file = nothing to roll back to). The "alias not
   present in pre-existing keystore" case is recognised via the
   well-known keytool error string and treated as a clean
   first-time-on-existing-keystore signal — the deploy proceeds
   without a backup, and rollback (if needed) becomes the
   no-backup branch.

2. On-import-failure rollback. When keytool -importkeystore
   returns error, rollbackImport(ctx, backupPath) runs:
   - keytool -delete -alias <Alias> ... (best-effort; the failed
     import may have created a partial alias entry).
   - keytool -importkeystore from the backup PKCS#12 to restore
     the previous state.
   On rollback success, the deploy returns wrapped error noting
   "rolled back from <backup_path>". On rollback failure,
   returns operator-actionable wrapped error containing both the
   import error AND the rollback error AND the backup path so
   the operator can manually keytool -importkeystore from the
   .p12 file to recover.

3. Backup retention. Successful deploys prune older
   .certctl-bak.*.p12 files beyond Config.BackupRetention.
   Sort by ModTime newest-first; keep most recent N. Defaults:
   BackupRetention=0  → keep most recent 3 (the default).
   BackupRetention=N  → keep most recent N.
   BackupRetention=-1 → opt out of pruning entirely (operators
                        that wire their own archival/rotation).
   Pruning runs in the success path AFTER the optional reload
   command so it doesn't interfere with deploy-time signals.
   ReadDir / Remove failures are non-fatal (debug log only) —
   the deploy already succeeded.

4. Config gains BackupRetention int and BackupDir string fields.
   BackupDir defaults to filepath.Dir(KeystorePath) so backups
   land on the same filesystem as the keystore (atomic-ish
   writes, disk-full failures fail fast at snapshot time).

5. Helper extraction. snapshotKeystore + rollbackImport +
   pruneBackups + backupDir are private methods on Connector.
   Constants backupFilePrefix=".certctl-bak." and
   backupFileSuffix=".p12" centralise the naming convention so
   the snapshot writer, the rollback reader, and the retention
   pruner all agree.

6. Operator-playbook section added to docs/connectors.md
   JavaKeystore section. Documents the standard keytool
   -storepass argv exposure: ps(1)-visible for the duration
   of each subprocess. Lists mitigations:
   - Restrict shell access to the agent host.
   - Linux user namespaces / AppArmor / SystemD ProtectProc=
     invisible to deny ps-visibility.
   - Single-purpose container for proper PID-namespace
     isolation.
   - Post-deploy keystore password rotation via reload_command
     for high-security environments.
   - BCFKS keystore type for FIPS environments (same argv
     caveat applies).
   Also documents an "Atomic rollback" subsection covering the
   snapshot/rollback flow, the new backup_retention /
   backup_dir Config fields, and the design choice to reuse
   the keystore password for the snapshot (rather than
   generating a separate transient password) — operator
   already trusts the connector with this secret, surface area
   doesn't grow, rollback's matching -srcstorepass stays
   simple.

Tests added to javakeystore_test.go (7 new tests, ~430 LOC):

- TestJKS_Snapshot_RunsBefore_Delete: mock executor records call
  order; asserts -exportkeystore is call[0], -delete is call[1],
  -importkeystore is call[2]. The snapshot MUST run before the
  delete — otherwise the delete destroys the very state the
  snapshot is meant to capture.
- TestJKS_Snapshot_FirstTimeDeploy_NoExport: no keystore file
  pre-created; asserts exactly 1 keytool call (-importkeystore
  only), no -exportkeystore.
- TestJKS_ImportFails_RollsBack: happy rollback path with one
  same-Subject backup. Asserts rollback re-import references the
  same backup path the snapshot wrote (verified via arg
  comparison between call[0] and call[4]).
- TestJKS_ImportFails_RollbackAlsoFails_OperatorActionable:
  wrapped-error escalation with backup path in the error
  message.
- TestJKS_BackupRetention_PrunesOldBackups: 5 pre-existing
  staggered-ModTime backups + 1 deploy-created → retention=3 →
  exactly 3 newest survive (deploy-created + 2 newest
  pre-existing); 3 oldest pre-existing pruned.
- TestJKS_BackupRetention_Zero_DefaultsTo3: BackupRetention=0
  must default to 3 (not "keep none").
- TestJKS_BackupRetention_Negative_OptsOut: BackupRetention=-1
  pre-existing 5 + deploy 1 = 6 total, all 6 remain.
- TestJKS_Snapshot_AliasNotInKeystore_ProceedsCleanly: keystore
  exists but alias missing; -exportkeystore returns "alias does
  not exist" → snapshot helper recognises this signal and
  returns ("", nil) so the deploy proceeds cleanly.

mockExecutor extended with optional `onCall` hook so the
retention-pruning tests can simulate keytool -exportkeystore's
file-write side effect (via the simulateExportSideEffect helper
that parses -destkeystore from args and writes a placeholder
.p12 file). Existing tests that don't set onCall behave
identically to before — backward compatible.

docs/deployment-atomicity.md L94 unchanged from today's text —
Bundle 1 doc-realignment hasn't shipped, so the "keytool snapshot;
rollback via keytool -delete + re-import" line was never softened.
Post-Bundle-8 the claim is honest (was aspirational pre-fix).

Verified locally (sandbox lacks staticcheck install due to disk
pressure; CI runs the full lint gate):
- gofmt -l ./internal/connector/target/javakeystore/ clean
- go vet ./internal/connector/target/javakeystore/ clean
- go build ./cmd/agent/... clean
- go test -race -count=1 ./internal/connector/target/javakeystore/
  green (16 tests total: 9 pre-existing + 7 new)

Audit reference: cowork/deployment-target-audit-2026-05-02/RESULTS.md
Bundle 8.
2026-05-02 19:01:06 +00:00
shankar0123 a22a1be962 globalsign,entrust: cache mTLS keypair with mtime-based reload
Closes the #10 acquisition-readiness blocker from the 2026-05-01 issuer
coverage audit. Pre-fix, GlobalSign reloaded the mTLS cert/key from
disk on every API call (globalsign.go::getHTTPClient) and Entrust
loaded once in ValidateConfig with no rotation handling — both shapes
were broken for different reasons. Per-call disk reads under a 100-
cert renewal sweep meant 200 file opens / parses / tls.X509KeyPair
calls in flight, each adding 5–50ms of latency for nothing; the
single-load Entrust shape served stale credentials forever after a
cert rotation, requiring a process restart.

This commit:

- Adds a new shared package internal/connector/issuer/mtlscache/
  with a Cache type holding a parsed tls.Certificate plus a
  precomputed *http.Transport. RWMutex serialises reloads; reads
  are lock-free in the hot path (read lock briefly held to copy
  out the *http.Client pointer, then released — the HTTP request
  itself happens with no lock held, per the audit prompt's anti-
  pattern about holding the write lock across an API call).

- RefreshIfStale stats the cert file; if mtime advanced beyond
  the last load, the keypair is re-parsed and the transport is
  rebuilt. The fast path (mtime unchanged) takes the read lock
  for the comparison and returns immediately. Double-checked-lock
  pattern (read lock → stat → release → write lock → re-stat)
  prevents two callers who observed the same stale mtime from
  both reloading.

- Options.TLSConfigBuilder lets the caller customise the *tls.Config
  built around the parsed leaf certificate. GlobalSign uses this
  to inject the ServerCAPath-pinning RootCAs pool that
  buildServerTLSConfig already produces; entrust uses the default
  builder.

- New() performs the initial load so a broken cert path fails
  fast at construction rather than at first API call.

- GlobalSign.Connector gains an mtls field. getHTTPClient now:
  (1) preserves the test-mode short-circuit when httpClient has
      a non-nil Transport;
  (2) preserves the bare-default-client short-circuit when cert
      paths aren't configured;
  (3) lazy-builds the cache on the first call so the constructor
      stays cheap;
  (4) calls RefreshIfStale on every subsequent call.
  The error wrap preserves the substring "client certificate" so
  existing TestGlobalsign_GetHTTPClient_MTLSPathConfigured_LoadsKeyPair
  keeps its assertion.

- Entrust.Connector gains an mtls field plus a new getHTTPClient
  helper mirroring GlobalSign's shape. The three IssueCertificate /
  RevokeCertificate / pollEnrollmentOnce sites that previously hit
  c.httpClient.Do(req) directly now route through getHTTPClient,
  which falls through to the test-injected client (same logic as
  GlobalSign) and otherwise serves the cached mTLS client. The
  legacy ValidateConfig flow that pre-built c.httpClient with its
  own transport stays intact — its transport wins because
  getHTTPClient short-circuits when c.httpClient.Transport != nil.

- Tests at internal/connector/issuer/mtlscache/cache_test.go cover:
  * fail-fast on missing paths (constructor input validation)
  * load on construction (positive + negative)
  * NoReloadWhenMtimeStable — 100 RefreshIfStale calls, LoadedAt
    must stay equal to the constructor's stamp (the load-bearing
    regression guard against per-call disk reads)
  * ReloadsOnMtimeAdvance — os.Chtimes forward, next refresh
    must observe the new LoadedAt (the load-bearing regression
    guard for rotation-without-process-restart)
  * StatErrorBubbles — missing cert file surfaces as an error
    rather than silently serving stale credentials
  * ConcurrentNoRace — 100 goroutines × 50 iterations under
    -race; no race detected, all calls succeed
  * TLSConfigBuilderUsed — custom builder is invoked at New AND
    on reload; verifies MinVersion=TLS1.3 takes effect
  * ClientHonoursTimeout — Options.HTTPTimeout reaches the
    constructed *http.Client

- docs/connectors.md GlobalSign + Entrust sections each gain an
  "mTLS keypair caching (audit fix #10)" paragraph documenting the
  steady-state caching, mtime-based rotation contract, and
  operator workflow (mv -f new.crt /etc/certctl/.../client.crt).

Acquirer impact: removes the per-call disk-read latency floor and
makes operator-driven cert rotation a no-restart event. Combined
with audit fix #9's bounded scheduler concurrency, the renewal
sweep's hot path now has predictable steady-state cost: capN
concurrent goroutines, each reusing the cached keypair, no per-
call file I/O.

Verified locally:
- gofmt -l . clean
- go vet ./... clean
- staticcheck ./... clean
- go test -race -count=1 ./internal/connector/issuer/mtlscache/...
  green (8 tests)
- go test -count=1 -short across globalsign / entrust / sectigo /
  ejbca / mtlscache / connector packages: green

Audit reference: cowork/issuer-coverage-audit-2026-05-01/RESULTS.md
Top-10 fix #10. Closes the audit's full Top-10 list (fixes #1-10
all shipped to master).
2026-05-02 14:32:59 +00:00
shankar0123 35e18bfc56 scheduler: bound renewal concurrency via CERTCTL_RENEWAL_CONCURRENCY
Closes the #9 acquisition-readiness blocker from the 2026-05-01 issuer
coverage audit. Pre-fix, JobService.ProcessPendingJobs ran every
claimed job sequentially in a single goroutine: safe but slow, and
operators with large fleets had no lever to dial throughput up.
Switching to fire-and-forget per-job goroutines would have unbounded
the upstream-CA call rate and tripped DigiCert / Entrust / Sectigo
rate limits — certctl's response to 429 was to retry on the next
tick, re-fanning out the same calls and digging deeper into the
limit. Operators need a knob.

This commit:

- Adds CERTCTL_RENEWAL_CONCURRENCY env var (default 25) loaded via
  the existing getEnvInt pattern in internal/config/config.go.
  Documented inline as the cap for the per-tick renewal/issuance/
  deployment goroutine fan-out, with operator-tuning guidance:
  permissive upstream limits + large fleets (>10k certs) → 100;
  strict limits or async-CA-heavy fleets → 25 or lower.

- Wires golang.org/x/sync/semaphore.Weighted around the per-job
  goroutine launch in JobService.ProcessPendingJobs. Acquire(ctx, 1)
  is the load-bearing piece — it BLOCKS the loop when at the cap,
  providing real backpressure rather than fire-and-forget. The
  fan-out is split into processPendingJobsSequential (legacy,
  preserved for unit-test wiring that doesn't call
  SetRenewalConcurrency) and processPendingJobsConcurrent (production,
  delegates to a generic boundedFanOut helper).

- boundedFanOut takes the per-job work as a closure so the cap can
  be tested directly without standing up the renewal/deployment
  service graph. processed/failed counters use atomic.Int64 to
  avoid mutex overhead on every job completion; final log line
  reads both AFTER wg.Wait so the counts reflect every dispatched
  job. ctx-aware Acquire ensures a shutdown ctx cancel interrupts
  the dispatch loop promptly; in-flight goroutines drain via Wait
  before the function returns so no goroutine outlives the
  scheduler tick.

- shouldSkipJob extracted as a package-private helper so the
  agent-routed-deployment skip logic is shared between the
  sequential and concurrent paths byte-for-byte (the audit prompt's
  "channel-based semaphore without ctx-aware acquire" anti-pattern
  is explicitly avoided — semaphore.Weighted.Acquire returns on ctx
  done; channel <- struct{}{} would block forever).

- SetRenewalConcurrency setter on JobService normalises ≤0 to 1.
  semaphore.NewWeighted(0) constructs a semaphore that blocks every
  Acquire forever; the normalisation prevents a misconfigured env
  var from wedging the scheduler.

- cmd/server/main.go wires SetRenewalConcurrency(cfg.Scheduler.
  RenewalConcurrency) on the freshly-built jobService, immediately
  after SetAuditService. Production deployments always take the
  bounded path; tests that build JobService directly via
  NewJobService keep their strict-sequential behaviour because
  renewalConcurrency is the zero value.

- Tests in internal/service/job_concurrency_test.go:
  * TestBoundedFanOut_CapHolds — primary regression guard. 50 jobs
    × 50ms work × cap=5 → asserts peak in-flight never exceeds 5
    AND reaches 5 at least once (catches both upper-bound regressions
    and gates that incorrectly cap below the configured value).
    Lock-free max via CompareAndSwap so the measurement instrument
    doesn't itself constrain concurrency.
  * TestBoundedFanOut_AllJobsRun — lower-bound: every non-skipped
    job is dispatched.
  * TestBoundedFanOut_SkipsAgentRoutedDeployments — pins the
    shouldSkipJob contract.
  * TestBoundedFanOut_CtxCancelInterrupts — ctx cancellation
    interrupts a stuck fan-out within the timeout budget.
  * TestBoundedFanOut_FailedJobsCounted — per-job errors don't
    abort the fan-out.
  * TestSetRenewalConcurrency_NormalizesNonPositive — ≤0 → 1 fail-safe
    pinned across negative/zero/positive inputs.

- docs/features.md: scheduler-loop table augmented with the
  concurrency-cap env-var pointer alongside the job-processor row.

- docs/architecture.md: Concurrency Safety section gains a paragraph
  explaining the cap, the operator-tuning guidance, the ctx-aware
  Acquire semantics, and the audit reference.

Operator-facing impact: the first big renewal sweep no longer
takes down the upstream CA's rate-limit budget. Existing deployments
get the bounded path automatically (default 25); operators can
override via env var without code changes.

Verified locally:
- gofmt -l . clean
- go vet ./... clean
- staticcheck ./... clean
- go test -short -count=1 across service / scheduler / config /
  integration: green
- Six new tests under TestBoundedFanOut* + TestSetRenewalConcurrency*:
  green

Audit reference: cowork/issuer-coverage-audit-2026-05-01/RESULTS.md
Top-10 fix #9.
2026-05-02 14:12:30 +00:00
shankar0123 3a665ae6ba loadtest: add k6 harness for certctl API throughput
Closes the #8 acquisition-readiness blocker from the 2026-05-01 issuer
coverage audit. Pre-fix, certctl had zero benchmarks or load tests for
any API path. An acquirer evaluating "can certctl handle our 50k-cert
fleet at 47-day rotation" had nothing to point at; CA/B Forum SC-081v3
lands 47-day TLS in 2029, and operators need real numbers, not hand-
waved capacity claims.

What landed:

- deploy/test/loadtest/docker-compose.yml — minimal stack (postgres +
  tls-init bootstrap + certctl-server with CERTCTL_DEMO_SEED=true so
  the FK rows the script needs exist + grafana/k6:0.54.0 driver).
  Pinned k6 version so threshold expressions stay stable across runs.
  k6 command runs the script once and exits with the threshold-driven
  exit code so `--exit-code-from k6` propagates non-zero on any
  regression.

- deploy/test/loadtest/k6.js — two scenarios at 50 req/s × 5 min,
  staggered 5s. Scenario 1: POST /api/v1/certificates (issuance-
  acceptance hot path: auth + JSON decode + validation + service
  CreateCertificate + DB insert). Scenario 2: GET /api/v1/certificates
  (most-trafficked read endpoint, exercises pagination). Hard
  thresholds: p99 < 5s + p95 < 2s for issuance-acceptance, p99 < 2s +
  p95 < 800ms for list, error rate < 1% globally. constant-arrival-
  rate executor (NOT constant-vus) so VU-bound load doesn't backpressure
  the offered rate and mask capacity ceilings. __ENV.CERTCTL_BASE
  lets the same script run on the operator's workstation
  (https://localhost:8443) and inside the compose stack
  (https://certctl-server:8443).

- deploy/test/loadtest/README.md — documents what's measured (API
  tier: auth → DB) vs what's NOT (issuer connector latency: pinned
  separately by certctl_issuance_duration_seconds from audit fix #4;
  full ACME enrollment flow: deferred — sustained 100/s through
  multi-RTT pebble takes pebble tuning + crypto helpers k6 doesn't
  ship with). Threshold contract pinned. Baseline numbers row reads
  TBD until the operator captures on a representative workstation;
  methodology pinned so future tuning commits land alongside refreshed
  baselines that are diffable.

- deploy/test/loadtest/.gitignore — results/{summary.json,summary.txt}
  + certs/ (per-run TLS bootstrap output). Both regenerate on every
  run; committing them would create huge per-run diffs.

- deploy/test/loadtest/results/.gitkeep — placeholder so the
  directory exists in fresh checkouts (the k6 container mounts it).

- Makefile: new `loadtest` target spinning up the compose stack with
  --abort-on-container-exit --exit-code-from k6 and printing the
  summary. Added to .PHONY + help. Explicitly NOT in `make verify` —
  load tests are minutes long and don't gate per-PR signal.

- .github/workflows/loadtest.yml — workflow_dispatch (manual) +
  weekly cron at Mon 06:00 UTC. NOT per-push. 15-minute hard cap.
  Always uploads results/ as an artifact (90d retention) so a
  regression has a diffable artifact even when k6 exited non-zero.
  Read-only repo permissions.

- docs/architecture.md: new "Performance Characteristics" section
  citing the harness location, scenarios, thresholds, scope (what's
  measured vs not), and where the captured baseline lives. Inserted
  before the existing "What's Next" section.

Scope decisions documented in the README + this commit message:

- The audit prompt's k6 example targeted POST /api/v1/certificates +
  ACME-via-pebble. CreateCertificate exercises auth + DB but the
  downstream issuer-connector call is async (renewal scheduler);
  that's the right surface for "request-acceptance" throughput.
  Driving the connectors directly would load-test someone else's
  API.
- Pebble was excluded from the harness stack. Sustained 100/s
  through ACME's order/challenge/finalize flow needs pebble tuning
  + k6 crypto helpers that don't exist out of the box. README flags
  this as a deferred follow-up.

Acquirer impact: the diligence question "what's your throughput?"
now has a number with a reproducible methodology and a regression
guard, not a claim. The first operator run captures the baseline
into README.md so subsequent tuning commits are diffable.

Verified locally:
- gofmt -l . clean
- go vet ./... clean
- staticcheck ./... clean
- go build ./... clean
- bash scripts/ci-guards/H-1-encryption-key-min-length.sh — clean
  (the 38-byte loadtest key is above the 32-byte floor)
- bash scripts/ci-guards/openapi-handler-parity.sh — clean
- bash scripts/ci-guards/test-compose-scep-coherence.sh — clean
- make -n loadtest produces the expected command sequence
- The first `make loadtest` run from the operator's workstation
  populates the README baseline numbers (committed in a follow-up).

Audit reference: cowork/issuer-coverage-audit-2026-05-01/RESULTS.md
Top-10 fix #8.
2026-05-02 14:00:10 +00:00
shankar0123 fefa5a5fd7 acme: support serial-only revocation via local cert-version lookup
Closes the #7 acquisition-readiness blocker from the 2026-05-01 issuer
coverage audit. Pre-fix, ACME RevokeCertificate at acme.go:L519-L529
returned the literal error "ACME revocation by serial not supported in
V1; provide certificate DER". RFC 8555 §7.6 genuinely requires the
cert DER bytes (not just the serial), but a CLM platform's job is to
abstract over that limitation. Operators routinely have only the
serial in hand: lost PEM, rotated key, GUI revoke action driven by a
row in the certs list.

This commit:

- Adds CertificateLookupRepo interface at the ACME connector boundary
  (connector boundary, NOT a service/repository import — the connector
  accepts whatever satisfies the shape). Production wiring in
  cmd/server/main.go injects the postgres CertificateRepository; tests
  inject a fake.

- Adds CertificateRepository.GetVersionBySerial(ctx, issuerID, serial)
  + interface declaration in repository/interfaces.go, returning the
  certificate_versions row whose SerialNumber matches, scoped to the
  issuer via JOIN on managed_certificates. Mirrors the existing
  GetByIssuerAndSerial shape but returns the version (where PEMChain
  lives). Per RFC 5280 §5.2.3 the issuer scope is required for
  determinism.

- Adds SetCertificateLookup + SetIssuerID setters on *acme.Connector.
  Mirror the pattern local.Connector already uses for OCSP responder
  wiring. Both must be wired before serial-only revoke works;
  unwired state falls back to a more actionable error pointing at the
  wiring requirement (the historical "not supported" wording is
  retired).

- Rewrites RevokeCertificate end-to-end: lookup → empty-PEM check →
  pem.Decode → block.Type == "CERTIFICATE" check → ensureClient →
  golang.org/x/crypto/acme.Client.RevokeCert(ctx, accountKey, der,
  reasonCode). RFC 8555 §7.6 case 1 (revocation request signed with
  account key) — the same account key issued the cert, so authority
  is intrinsic. The not-found path returns an actionable operator-
  facing error pointing at the local-store requirement.

- Adds mapRevocationReason translating RFC 5280 §5.3.1 reason strings
  (unspecified, keyCompromise, cACompromise, affiliationChanged,
  superseded, cessationOfOperation, certificateHold, removeFromCRL,
  privilegeWithdrawn, aACompromise) into golang.org/x/crypto/acme.
  CRLReasonCode. Accepts canonical camelCase + underscore_lower +
  ALL_CAPS_UNDERSCORE. Nil reason → 0 (unspecified). Unknown reason
  errors rather than silently demoting (operators rely on the reason
  for compliance reporting).

- Wiring update in service/issuer_registry.go: SetACMECertLookup
  setter on the registry; Rebuild type-asserts *acme.Connector and
  calls SetCertificateLookup + SetIssuerID, mirroring the existing
  *local.Connector branch. cmd/server/main.go calls
  issuerRegistry.SetACMECertLookup(certificateRepo) immediately after
  SetIssuanceMetrics — the postgres repo satisfies the interface via
  GetVersionBySerial.

- Tests:
  * acme_revoke_test.go (new): TestRevokeCertificate_NoCertLookupWired,
    TestRevokeCertificate_NoIssuerIDWired,
    TestRevokeCertificate_LookupReturnsNotFound (operator-facing
    "may not have been issued through certctl" hint pinned),
    TestRevokeCertificate_LookupArbitraryError,
    TestRevokeCertificate_VersionPEMEmpty (corrupt-row guard),
    TestRevokeCertificate_PEMMalformed_NoBlock,
    TestRevokeCertificate_PEMMalformed_WrongType (PRIVATE KEY block
    rejected as not a CERTIFICATE).
  * TestMapRevocationReason_TableDriven: full RFC 5280 reason set
    plus camelCase / underscore / ALL-CAPS variants plus
    nil-reason and unknown-reason cases.
  * acme_failure_test.go: renamed TestRevokeCertificate_AlwaysError
    → TestRevokeCertificate_UnwiredCertLookupFallback; the test
    still exercises the same backward-compat branch but now
    asserts the new "CertificateLookup wiring" error wording.

- Mock-repo updates (3 sites): mockCertificateRepository in
  internal/integration/lifecycle_test.go, mockCertRepo in
  internal/service/testutil_test.go, mockCertRepoWithGetError in
  internal/service/shortlived_test.go each gain a GetVersionBySerial
  implementation that mirrors the GetByIssuerAndSerial logic but
  returns the version row.

- docs/connectors.md ACME section: new "Revocation by serial number"
  subsection covering the workflow, the local-store requirement
  (cert was issued through certctl, not imported), the reason-code
  mapping with the three accepted spelling variants, and a pointer
  to the audit reference.

Out of scope (intentional, per spec):

- Recovering the DER from outside the local cert store (CT logs,
  CSR + signature reconstruction). If the cert wasn't issued through
  certctl, revoke-by-serial via certctl isn't possible.
- Revocation via the cert's private key (RFC 8555 §7.6 case 2). The
  account-key path covers all certctl-issued certs because the same
  account key issued them.
- Pebble-backed integration test for the happy path. Pebble integration
  is the right home for that — the unit tests in this commit pin all
  failure-mode branches before the network call, and the wiring
  branch in Rebuild is exercised by the existing
  TestIssuerRegistryRebuild paths.

Verified locally:
- gofmt -l . clean
- go vet ./... clean
- staticcheck ./... clean
- go test -short -count=1 across connector, service, repository,
  integration, api/middleware, api/handler: green

Audit reference: cowork/issuer-coverage-audit-2026-05-01/RESULTS.md
Top-10 fix #7.
2026-05-02 13:09:30 +00:00
shankar0123 0509790325 asyncpoll: refactor Sectigo / Entrust / GlobalSign to bounded polling (Phase 2)
Phase 2 of the #5 acquisition-readiness fix from the 2026-05-01 issuer
coverage audit. Phase 1 (commit 711265b) shipped the shared asyncpoll
package and refactored DigiCert as the reference. This commit applies
the same pattern to the remaining three async-CA connectors and adds
the operator-facing docs.

Per-connector refactors:

- Sectigo (sectigo.go): GetOrderStatus now wraps pollEnrollmentOnce in
  asyncpoll.Poll. The collectNotReady sentinel (cert approved by SCM
  but not yet retrievable from the collect endpoint) maps to
  StillPending and rides the backoff schedule rather than the prior
  "return pending immediately" branch. Added isPermanentStatusError
  helper to distinguish transient HTTP errors (5xx / 429 / network)
  from permanent ones (4xx / parse failure) — the wrapped checkStatus
  errors get triaged at the poll closure boundary.

- Entrust (entrust.go): GetOrderStatus wraps pollEnrollmentOnce. The
  AWAITING_APPROVAL status maps to StillPending; operators using
  approval-pending workflows where humans approve enrollments should
  bump CERTCTL_ENTRUST_POLL_MAX_WAIT_SECONDS to 86400 (24h) so a
  single scheduler tick can wait through the approval window. The
  default 10-minute deadline matches the other three connectors.

- GlobalSign (globalsign.go): GetOrderStatus wraps pollCertificateOnce.
  GlobalSign tracks orders by serial number rather than order ID, but
  the polling shape is identical to the other three. Status-code
  triage matches DigiCert: 4xx (not 429) is permanent, 5xx / 429 /
  network is transient.

Per-connector Config field added:
- DigiCert.PollMaxWaitSeconds (env CERTCTL_DIGICERT_POLL_MAX_WAIT_SECONDS)
- Sectigo.PollMaxWaitSeconds (env CERTCTL_SECTIGO_POLL_MAX_WAIT_SECONDS)
- Entrust.PollMaxWaitSeconds (env CERTCTL_ENTRUST_POLL_MAX_WAIT_SECONDS)
- GlobalSign.PollMaxWaitSeconds (env CERTCTL_GLOBALSIGN_POLL_MAX_WAIT_SECONDS)

internal/config/config.go env-var loaders updated for all four. Default
is 600 seconds (10 minutes); zero falls back to the asyncpoll package
default.

Test-helper updates: every existing test that exercises the pending
branch (collectNotReady, AWAITING_APPROVAL, status="pending", etc.)
now sets PollMaxWaitSeconds=1 in its Config so the test doesn't block
on the production-default 10-minute deadline. Tests that exercise
permanent-error branches (404, 401, malformed JSON, etc.) continue
to return immediately.

Test sites updated:
- buildSectigoConnector helper + GetOrderStatus_CollectNotReady test
- buildEntrustConnector helper + GetOrderStatus_Pending test
- buildGlobalsignConnector helper + GetOrderStatus_Pending test +
  the GetHTTPClient_NoMTLSCertPaths test (network failure now rides
  the backoff schedule rather than returning immediately)

Documentation:
- docs/async-polling.md: new operator reference covering the backoff
  schedule, status-code triage, the four env vars, failure modes, and
  where the implementation lives. Audit blocker citation included.
- docs/connectors.md: per-issuer sections for DigiCert, Sectigo,
  Entrust, GlobalSign each gain the PollMaxWaitSeconds env var row
  and a cross-link to async-polling.md.

Lint cleanup: simplified the isPermanentStatusError branch to satisfy
staticcheck S1008 (single-line return for a final boolean check).

Verified locally:
- gofmt -l . clean
- go vet ./... clean
- staticcheck ./... clean
- golangci-lint run --timeout 5m ./... → 0 issues
- go test -short -count=1 across all 4 connector packages + config + asyncpoll: green

Audit reference: cowork/issuer-coverage-audit-2026-05-01/RESULTS.md
Top-10 fix #5 — Phase 2.
2026-05-02 02:41:36 +00:00
shankar0123 590f654b0d awsacmpca: replace stub client with AWS SDK v2 implementation
Closes the #1 acquisition-readiness blocker from the 2026-05-01 issuer
coverage audit. The production New() constructor previously hardcoded
&stubClient{}, which returned "AWS SDK client not initialized (stub)" on
every method. Tests passed green via NewWithClient mock injection — a
path the production constructor never took. AWSACMPCA was wired into
the factory, the seed file, the test suite, and marketing collateral
but did not actually issue, retrieve, or revoke certificates.

This commit:
- Adds aws-sdk-go-v2/{config,service/acmpca,aws} to go.mod (with
  acmpca/types as a sub-package). go mod tidy could not be completed
  in the sandbox due to virtiofs concurrent-open-file ceiling on the
  module cache; the require blocks were arranged manually so the three
  directly-imported packages are non-indirect. Build, vet, staticcheck,
  and the full test suite are green; operator should run `go mod tidy`
  on the workstation to confirm cosmetic ordering before pushing.
- Implements sdkClient wrapping *acmpca.Client with local input/output
  type translation. Each method translates the connector's local input
  type to the SDK's typed input, calls the SDK, and translates the SDK
  output back to the local output type. aws-sdk-go-v2 types do not
  leak out of the awsacmpca package.
- Deletes stubClient (the four "AWS SDK client not initialized (stub)"
  methods). After this commit, there is no fall-back stub; production
  New() always wires the SDK.
- Rewrites New() to load credentials via awsconfig.LoadDefaultConfig
  with awsconfig.WithRegion(config.Region) and construct the SDK client
  via acmpca.NewFromConfig. Returns (*Connector, error). When config
  is nil or config.Region is empty, New defers SDK loading; ValidateConfig
  builds the client lazily on the first successful validation. This
  preserves the test pattern of New(nil, logger) → ValidateConfig.
- Wires acmpca.NewCertificateIssuedWaiter (5-minute default timeout)
  inside sdkClient.IssueCertificate so the connector's two-call
  pattern (IssueCertificate → GetCertificate) sees synchronous-via-
  waiter semantics. The waiter is hidden from the ACMPCAClient
  interface so mock implementations stay simple.
- Maps RFC 5280 revocation reasons to acmpcatypes.RevocationReason
  via the existing mapRevocationReason helper plus a cast at the
  sdkClient.RevokeCertificate boundary.
- Updates the issuerfactory.NewFromConfig call site at factory.go:L88
  for the new (*Connector, error) signature; the factory's outer
  signature already returns (issuer.Connector, error) so the change
  is local.
- Adds nil-client guards on the four client-using connector methods
  (IssueCertificate, RevokeCertificate, GetCACertPEM, plus the
  RenewCertificate path via IssueCertificate). When the connector is
  used before ValidateConfig has been called, these methods fail-fast
  with a "client not initialized" sentinel error instead of panicking.
- Fixes the copy-paste env-var doc-comments at awsacmpca.go:L41,L45
  (CERTCTL_GOOGLE_CAS_PROJECT / CERTCTL_GOOGLE_CAS_CA_ARN →
  CERTCTL_AWS_PCA_REGION / CERTCTL_AWS_PCA_CA_ARN). The actual config
  loader at internal/config/config.go:L1556-L1561 already used the
  correct env-var names; only the doc-comments were wrong.
- Updates the package doc-comment at awsacmpca.go:L1-L36 to clarify
  the synchronous-via-waiter behavior (issuance is asynchronous at
  the API level; the waiter inside sdkClient.IssueCertificate hides
  the asynchrony).
- Adds TestNew_ProductionPath/ValidConfigBuildsRealClient: calls
  production New() (NOT NewWithClient) with a valid config, asserts
  err is nil, then calls IssueCertificate with a bogus CSR and asserts
  the resulting error is the expected PEM-decode error rather than
  the deleted stubClient's "client not initialized" sentinel. This is
  the regression-marker test the audit's D11 blocker called out as
  missing — if anyone re-introduces a stub-style placeholder from
  production New() in the future, this test fails.
- Adds TestNew_ProductionPath/NilConfigDefersClientInit: documents the
  lazy-init contract for the New(nil, logger) → ValidateConfig pattern.
- Adds TestNew_ProductionPath/ValidateConfigBuildsClientLazily: verifies
  that ValidateConfig wires the SDK client when New was called with
  nil config.
- Adds TestNew_ProductionPath/{Revoke,GetCAPEM}BeforeInitFailsFast:
  verifies the nil-client guards on the other client-using methods.
- Adds TestNew_ErrorPaths covering AccessDeniedException-shaped errors,
  transient 5xx errors, and ctx-cancel propagation via the existing
  mockACMPCAClient.
- Updates docs/connectors.md:L490-L555 with: the synchronous-via-waiter
  behavior, a complete IAM policy example scoped to the four ACM PCA
  actions, a worked POST /api/v1/issuers example, and a troubleshooting
  section with three known failure modes (AccessDeniedException,
  ResourceNotFoundException, waiter timeout).

Live AWS integration testing is intentionally not added: ACM PCA is a
Pro-tier feature in localstack and the existing interface-mock tests
cover correctness end-to-end. Operators with AWS credentials can
validate by following the worked example in docs/connectors.md.

Audit reference: cowork/issuer-coverage-audit-2026-05-01/RESULTS.md
Top-10 fix #1 (Part 3, narrative section).
2026-05-01 23:13:59 +00:00
shankar0123 dcd82d062f docs: convert all 9 ASCII diagrams to mermaid
Audit of docs/ found 32 diagrams: 23 already in mermaid, 9 in ASCII
art (box-drawing chars / +-pipe boxes). Converting all 9 to mermaid
so GitHub renders them as actual diagrams in the docs preview.

Files affected (9 diagram blocks across 6 files):

  docs/architecture.md   block 1 line 706  EST request flow
  docs/architecture.md   block 2 line 798  SCEP request flow
  docs/architecture.md   block 3 line 893  Per-profile TrustAnchor +
                                           Intune challenge dispatch
  docs/architecture.md   block 4 line 935  signer.Driver interface +
                                           4 implementations
  docs/ci-pipeline.md    block 1 line 20   On-push pipeline tree
  docs/est.md            block 1 line 254  WiFi 802.1X / EAP-TLS flow
  docs/legacy-est-scep.md block 1 line 40  TLS-version-bridging proxy
  docs/qa-test-guide.md  block 1 line 41   qa_test.go to demo stack
  docs/scep-intune.md    block 1 line 39   Intune cloud chain

Conversion notes:

  - Linear flows → flowchart TD/LR. Per-step annotations that the
    ASCII had as floating text between arrows are now edge labels —
    cleaner and easier to read.
  - architecture.md block 4 (signer drivers) → flowchart LR with a
    subgraph for the Driver interface. Cleaner than a class diagram
    for the "code uses one of these implementations" semantics.
  - ci-pipeline.md tree → flowchart TD. Adds a dotted '-.depends
    on.->' arrow making the go-build-and-test → deploy-vendor-e2e
    dependency visually obvious (was a parenthetical in the ASCII).
  - est.md WiFi/RADIUS → flowchart LR with EAP, Radius, trusts,
    and EST as four distinct labeled arrows. The 'trusts' annotation
    was floating off to the side in the ASCII; now it's the arrow
    label between Radius and certctl CA.
  - All semantic detail preserved: every node label, arrow direction,
    inline annotation, and multi-line cell content carries through.

Verified: post-conversion audit shows 32 mermaid blocks, 0 ASCII.
Diff is symmetric — 108 inserts, 123 deletes — because mermaid is
slightly more compact than the box-drawing characters it replaces.

GitHub renders mermaid blocks natively in markdown previews since
2022, so all 9 diagrams now render as real flowcharts in the docs
view rather than as monospaced character art.
2026-05-01 05:09:00 +00:00
shankar0123 e06447b763 Revert CodeQL custom config + sanitizer model — leave alert #23 open
Reverts:
  482e952 ci(codeql): rewire local model pack discovery — fix 1122f5a silent no-op
  1122f5a ci(codeql): teach analyzer about ValidateSafeURL SSRF barrier

Net: drops .github/codeql/ entirely; restores the codeql.yml workflow
and the docs/architecture.md::Input Validation and SSRF Protection
section to their pre-1122f5a state. Alert #23 (go/request-forgery,
Critical) at internal/service/scep_probe.go:232 stays OPEN to be
resolved later.

Why this revert exists. The original Option A (model pack barrier
declaration) was the right idea on paper — teach the analyzer that
internal/validation.ValidateSafeURL sanitizes the URL argument so
the request-forgery taint trace stops there. Two iterations in
(1122f5a + 482e952), the pack still wasn't loading:

  - 1122f5a used `packs: { go: ['./'] }` in codeql-config.yml. That
    field expects pack names, not paths; the local pack silently
    never registered. CodeQL ran clean but emitted the same alert.

  - 482e952 restructured into .github/codeql/certctl-models/ + named
    the pack + added `additional-packs: .github/codeql` to the action
    init step. Surface looked correct against the pattern I'd
    researched (vscode-codeql, CodeQL docs). But:

      Warning: Unexpected input(s) 'additional-packs',
      valid inputs are [..., packs, ...]

      A fatal error occurred:
      'shankar0123/certctl-models' not found in the registry
      'https://ghcr.io/v2/'.

    `additional-packs` is not a valid input on github/codeql-
    action/init@v3 (verified directly against init/action.yml on
    that branch). Without a valid path-resolver input, the CLI
    fell back to the public registry, where the pack obviously
    isn't published. CodeQL run #56 fatal-errored.

The next iteration would have been: codeql-workspace.yml at the
repo root, OR convert to a query pack referenced via `queries:
./path`, OR publish to GHCR, OR drop MaD and write custom QL.
Each is its own incremental commit with its own failure modes I
can't pre-validate without a CI push, against a `barrierModel`
feature for Go that's too new (added 2026-04-21) to have shipped
public examples to copy from.

Honest cost-benefit. The runtime at scep_probe.go:232 is correct
on day one — `ValidateSafeURL` rejects reserved-IP targets at the
service entry; `SafeHTTPDialContext` re-resolves at dial time and
pins to a literal non-reserved IP, defeating DNS rebinding.
CodeQL is reporting a known-class false positive on a known-good
sanitizer pattern. The cost of teaching CodeQL about a 2-site
validator (this + webhook notifier's client.Do) — multiple
iterations of pack-discovery infrastructure, a `.github/codeql/`
tree to maintain, version-tracking against codeql-action and
CodeQL-CLI updates — exceeds the benefit of silencing those 2
alerts.

The right path forward, when capacity exists: either land a
short justified `// codeql[go/request-forgery]` annotation at
each of the 2 sites with a comment block citing ValidateSafeURL
+ SafeHTTPDialContext, OR dismiss alert #23 in the GitHub
Security UI as "won't fix — false positive" with the same
justification in the dismissal comment. Both are real fixes for
the underlying problem (analyzer's model differs from runtime
reality at known-safe call sites). Neither requires new CI
infrastructure.

Until then, the alert stays open. The Security tab is a public
signal — anyone reviewing the certctl repo sees that we've left
this finding visible rather than hidden it via config. That's
itself a security-posture statement.

Specific files restored:
  - .github/workflows/codeql.yml: drops `config-file:` and
    `additional-packs:` from Initialize CodeQL step. Workflow is
    byte-equivalent to its pre-1122f5a state (verified).
  - .github/codeql/: directory removed (3 files: qlpack.yml,
    codeql-config.yml, certctl-models/models/*.model.yml).
  - docs/architecture.md::Input Validation and SSRF Protection:
    drops the "Outbound HTTP egress" paragraph that was added in
    1122f5a. The original section's coverage of shell input
    validators + network-scanner reserved-IP filter remains
    intact — that's what was there before.

Other commits between 1122f5a and now (c4157fd — encryption-key
fix + H-1 regression guard) are PRESERVED. They're unrelated to
CodeQL and remain valid.
2026-05-01 01:28:54 +00:00
shankar0123 1122f5a097 ci(codeql): teach analyzer about ValidateSafeURL SSRF barrier
Closes CodeQL alert #23 (go/request-forgery, Critical) at the
structural level — by telling CodeQL what the runtime code already
does — rather than via per-line `// codeql[...]` suppressions.

Background. internal/service/scep_probe.go:232 calls client.Do(req)
where the request URL is built from operator-supplied input. The
runtime defense is two-layer:

  1. validation.ValidateSafeURL(rawURL) at scep_probe.go:86 rejects
     non-http(s) schemes, empty hosts, literal-IP hosts in reserved
     ranges (loopback, link-local incl. cloud metadata
     169.254.169.254, multicast, broadcast, unspecified, IPv6
     link-local), and DNS names whose A/AAAA resolution returns any
     reserved IP. RFC 1918 is intentionally NOT blocked — see
     internal/validation/ssrf.go:17-21 for the design rationale.

  2. validation.SafeHTTPDialContext on the http.Transport (line 254)
     re-resolves at dial time, applies the same reserved-IP set, and
     pins the dial to a literal non-reserved IP — defeating DNS
     rebinding between validate and dial.

CodeQL's go/request-forgery query is a syntactic taint-tracking rule
with no built-in knowledge of either validator, so it reports the
finding even though the runtime is correctly defended.

The fix. Add a Models-as-Data (MaD) extension at .github/codeql/
declaring ValidateSafeURL as a request-forgery barrier. The barrier
applies to Argument[0] (the URL parameter), which means the analyzer
treats every URL flowing through ValidateSafeURL as sanitized for the
request-forgery taint set. After this lands:

  - Alert #23 dismisses at scep_probe.go:232.
  - The same model applies to the second site of this exact shape —
    webhook notifier's outbound client.Do (internal/connector/
    notifier/webhook/webhook.go) — without per-line annotations.
  - Future code that flows operator URLs through ValidateSafeURL
    inherits the barrier automatically.

This is the structural fix, not a band-aid:

  - Band-aid (rejected): `// codeql[go/request-forgery]` suppression
    on line 232. Suppresses one alert; doesn't teach the analyzer.
    Webhook notifier would need the same comment when its sibling
    rule landing fires.

  - Structural (this change): teach CodeQL via models-as-data, in
    config checked into the repo, that lives next to the workflow
    that uses it. The validators ARE sanitizers in the runtime —
    this PR makes the analyzer's model match reality.

Files:

  - .github/codeql/qlpack.yml — local model pack manifest, declares
    extensionTargets: codeql/go-all: '*'

  - .github/codeql/models/request-forgery-sanitizers.model.yml —
    barrierModel row for validation.ValidateSafeURL Argument[0] /
    request-forgery taint kind / manual provenance

  - .github/codeql/codeql-config.yml — references the local pack +
    keeps security-and-quality query suite scope

  - .github/workflows/codeql.yml — Initialize CodeQL step picks up
    config-file: ./.github/codeql/codeql-config.yml. The existing
    `queries: security-and-quality` line stays so even if the config
    file fails to load, the suite scope is preserved.

  - docs/architecture.md::Input Validation and SSRF Protection —
    extended to name the egress validators (ValidateSafeURL +
    SafeHTTPDialContext) and the call sites (SCEP probe + webhook
    notifier). Closes the docs gap surfaced during the audit; the
    egress threat-model previously lived only in source comments.

Requires CodeQL CLI ≥ 2.25.2 for the barrierModel extensible
predicate (Go MaD support added 2026-04-21). github/codeql-action@v3
ships a recent enough CLI by default; if a future analysis fails
with "unknown extensible predicate barrierModel", the action's CLI
has regressed below 2.25.2 — pin a newer action version rather than
reverting this pack. Documented inline in qlpack.yml.

References:
  - https://codeql.github.com/docs/codeql-language-guides/customizing-library-models-for-go/
  - https://github.blog/changelog/2026-04-21-codeql-now-supports-sanitizers-and-validators-in-models-as-data/
2026-05-01 00:28:26 +00:00
shankar0123 30970ab8a1 ci-pipeline-cleanup Phase 12: docs/ci-pipeline.md + bundle artefacts
Bundle: ci-pipeline-cleanup, Phase 12.

NEW docs/ci-pipeline.md (operator-facing guide to the on-push pipeline):
- Trigger model (push, daily, tag)
- Per-job deep-dive for all 5 CI jobs + 2 CodeQL jobs
- The 20 regression guards table with what each catches
- Coverage threshold management
- Three-tier make convention (verify, verify-deploy, verify-docs)
- Adding a new check (where it goes, auto-pickup)
- Troubleshooting matrix
- Status check accounting (19 → 7)
- Required GitHub branch protection list (operator action)

NEW cowork/ci-pipeline-cleanup/v2.X.0-release-notes.md — operator-facing
release notes covering all 13 phases + the operator action items
post-merge.

NEW cowork/ci-pipeline-cleanup/reddit-beat.md — Reddit / HN announce
draft (don't auto-post; operator times manually after the tag lands).

Active Focus updated in cowork/CLAUDE.md (workspace, separate edit
since CLAUDE.md isn't in the repo) — added ci-pipeline-cleanup entry
to 'Recently shipped bundles' + new env-var summary line + two new
operator-decision items (RAM headroom + branch protection rules).
2026-04-30 20:59:22 +00:00
shankar0123 b9a63a2521 ci-pipeline-cleanup Phase 6 follow-up: IIS operator playbook + matrix doc
Bundle: ci-pipeline-cleanup, Phase 6 follow-up.

Phase 5+6 commit removed the deploy-vendor-e2e-windows matrix from
ci.yml; this commit closes the Phase 6 deliverables that aren't
ci.yml-side:

1. NEW docs/connector-iis.md::Operator validation playbook
   (Windows host) — the procedure operators run pre-release to flip
   the IIS / WinCertStore vendor-matrix cells from
   'operator-playbook' → '✓'. Mirrors the Bundle II frozen decision
   0.14 third-criterion (operator manual smoke required).

2. docs/deployment-vendor-matrix.md — IIS + WinCertStore rows status
   updated from 'pending' → 'operator-playbook' with link to the
   new playbook section.

3. deploy/docker-compose.test.yml — windows-iis-test sidecar comment
   updated to reflect that CI no longer activates this profile;
   sidecar definition preserved for operator local use via
   'docker compose --profile deploy-e2e-windows up -d windows-iis-test'.

Operator workflow going forward:
- Pre-release: run the playbook on a Windows host
- Record validation date + Windows Server version in
  cowork/<bundle>/iis-validation-receipts.md
- Update docs/deployment-vendor-matrix.md cells if applicable
2026-04-30 20:47:49 +00:00
shankar0123 0834bc1ad5 docs: deployment vendor matrix + per-connector deep-dive docs (NGINX + K8s + IIS + Apache + F5)
Phase 14 of the deploy-hardening II master bundle. The procurement-
team headline doc + per-connector operator guides for the top 5
most-deployed connectors.

NEW docs/deployment-vendor-matrix.md (~30 rows):
- Per (connector × vendor-version) status: ✓ / CI / mock / pending / n/a
- Known issues + workarounds + e2e test name reference
- LTS + current-stable scope per frozen decision 0.1
- Quarterly re-pin cadence guidance for sidecar digests
- "How to add a new vendor version" recipe

Per frozen decision 0.14: a (connector × vendor-version) cell is
"verified" only when ALL apply: ≥1 happy-path e2e green; ≥1
specific-quirk test green for that version; operator manual smoke
completed at least once. Cells lacking the third criterion show
"CI" status (auto-tests green but pending operator validation).

Status snapshot at bundle close:
- NGINX 1.25 + 1.27: CI
- Apache 2.4: CI
- HAProxy 2.6 + 2.8 + 3.0: CI
- Traefik 2.x + 3.x: CI
- Caddy 2.x: CI
- Envoy 1.30 + 1.32: CI (file-mode SDS only; gRPC SDS V3-Pro)
- Postfix 3.6 + 3.8: CI
- Dovecot 2.3: CI
- IIS 10 (2019, 2022): pending (Windows-host-only CI)
- F5 v15.1 + v17.0 + v17.5: mock (real-F5 vagrant box documented)
- SSH OpenSSH 8.x + 9.x: CI
- WinCertStore (2019, 2022): pending (Windows-host-only)
- JavaKeystore JDK 11 + 17 + 21: pending
- K8s 1.28 + 1.30 + 1.31: CI

NEW per-connector deep-dive docs:
- docs/connector-nginx.md (~150 lines, 10 quirks documented)
- docs/connector-k8s.md (~110 lines, 10 quirks)
- docs/connector-iis.md (~120 lines, 10 quirks; Windows-host-only
  CI constraint loud)
- docs/connector-apache.md (~80 lines, 10 quirks)
- docs/connector-f5.md (~190 lines, 10 quirks; two-tier validation
  recipe for operator-supplied real-F5 vagrant box)

Each doc follows the same structure:
- Overview
- Vendor versions tested
- Per-quirk operator guidance (one section per
  TestVendorEdge_<vendor>_<edge>_E2E)
- Troubleshooting matrix
- V3-Pro deferrals
- Related docs cross-refs

Other connector docs (HAProxy, Traefik, Caddy, Envoy, Postfix,
Dovecot, SSH, WinCertStore, JavaKeystore) live in docs/connectors.md
+ are referenced from the matrix.

Phase 15 next: per-vendor CI matrix job in
.github/workflows/ci.yml.
2026-04-30 16:16:48 +00:00
shankar0123 b95a548f65 docs: deploy-hardening I — atomic deploy + post-verify operator guide + connectors / README updates
Phase 12 of the deploy-hardening I master bundle.

NEW docs/deployment-atomicity.md (12 sections, ~280 lines):
1. Overview — the three procurement-checklist gaps closed
2. The atomic-write primitive (Plan / File / Apply algorithm)
3. Per-connector atomic contract table (all 13 connectors)
4. Post-deploy TLS verification (handshake + SHA-256 + retries)
5. Rollback semantics (3 triggers + escalation path)
6. ValidateOnly dry-run mode (per-connector matrix)
7. File ownership + mode preservation (precedence + per-distro defaults)
8. Per-target deploy mutex (Phase 2)
9. Idempotency via SHA-256 (defends against retry storms)
10. Troubleshooting matrix (one row per failure mode)
11. V3-Pro deferrals (multi-region, pin manifests, SOC 2 export)
12. Per-connector quick reference (paste-able config snippets)

UPDATE README.md::Deployment Targets — every connector row now
notes the atomic + verify + rollback semantics that landed in
deploy-hardening I. Added a closing paragraph linking to the new
docs/deployment-atomicity.md.

UPDATE docs/features.md — two new env-var rows:
- CERTCTL_DEPLOY_BACKUP_RETENTION (default 3, -1 disables)
- CERTCTL_K8S_DEPLOY_KUBELET_SYNC_TIMEOUT (default 60s)

The G-3 docs-drift CI guard is satisfied: every new
CERTCTL_DEPLOY_* env var documented here also appears in source
(internal/deploy/types.go for BACKUP_RETENTION, k8ssecret config
for KUBELET_SYNC_TIMEOUT).

S-1 stale-counts guard: no literal-number current-state counts in
the new doc — the per-connector tests are referenced via the
file:line pattern (internal/connector/target/<name>/<name>_atomic_test.go)
so the operator can grep for the actual count.

Phase 13 next: pre-commit verification (full matrix + CI guard
reproductions).
2026-04-30 15:30:45 +00:00
shankar0123 faf580aa10 docs: production hardening II — DR runbook + crl-ocsp updates + features.md env vars (Phase 10)
Production hardening II Phase 10 — operator-facing documentation
that codifies the new V2 surfaces shipped in Phases 1-8.

NEW docs/disaster-recovery.md (8 sections, ~280 lines):
  - Overview of automatic fail-safes already in code
  - CRL cache recovery (delete row + scheduler regenerates)
  - OCSP responder cert recovery (delete row + ensureOCSPResponder
    re-bootstraps on next request)
  - OCSP response cache recovery (delete row + read-through fallback)
  - CA private-key rotation procedure (9-step playbook)
  - Postgres restore (with explicit list of operator-managed
    artifacts NOT in DB)
  - Trust-bundle reload semantics (SCEP / EST / Intune SIGHUP-
    equivalent fail-safe behavior)
  - DR checklist (printable; pin near on-call)

This is the SOC 2 / PCI procurement-team deliverable. Auditors and
on-call operators get a single document that tells them what to do
when state corrupts, when keys need rotation, when Postgres needs
restoring. Nothing in the runbook requires new code — it codifies
behaviors already in the codebase.

UPDATED docs/crl-ocsp.md:
  - New "Production hardening II additions" section: OCSP nonce
    extension, OCSP pre-signed cache (with the load-bearing security
    wire called out), per-source-IP OCSP rate limit, per-actor cert-
    export rate limit, CRL HTTP caching headers (RFC 7232), CRL
    DistributionPoints auto-injection, cert-export typed audit
    codes, per-area Prometheus metrics with operator alert
    recommendations.
  - Pruned the V3-Pro deferral list to remove items that this
    bundle SHIPPED (OCSP rate-limiting moved out; remaining V3-Pro:
    delta CRLs, OCSP stapling, OCSP request signature verification,
    HA / multi-region replication, IDP extension for sharded CRLs).

UPDATED docs/features.md:
  - CERTCTL_OCSP_RATE_LIMIT_PER_IP_MIN row (default 1000)
  - CERTCTL_CERT_EXPORT_RATE_LIMIT_PER_ACTOR_HR row (default 50)

G-3 docs-drift CI guard reproduced clean: every new CERTCTL_* env
var documented in features.md AND consumed in Go source. S-1 stale-
counts guard clean (no literal-number prose for current-state
counts in README/docs).
2026-04-30 05:19:56 +00:00
shankar0123 6622883989 docs(est): EST RFC 7030 operator guide + WiFi/802.1X recipe + IoT bootstrap recipe + FreeRADIUS integration + architecture + README
EST RFC 7030 hardening master bundle Phase 12 — comprehensive operator-
facing documentation for the Phases 1-11 backend work that shipped on
2026-04-29.

NEW docs/est.md (19 sections, ~810 lines): Concepts (host vs user
enrollment, profile-driven policy, multi-profile dispatch); 5-minute
single-profile Quick start with curl + openssl recipes; Multi-profile
dispatch (CERTCTL_EST_PROFILES=corp,iot,wifi setup with PathID rules
enforced at boot); Authentication modes (mTLS / Basic / both / empty
with cross-check semantics); RFC 9266 channel binding (failure-mode
HTTP mapping table — ErrChannelBindingMissing/Mismatch/NotTLS13 →
400/409/426); WiFi/802.1X recipe with end-to-end FreeRADIUS integration
(EAP-TLS supplicant config, mods-available/eap tls-common block, CRL
distribution endpoint cross-ref, troubleshooting playbook); IoT bootstrap
recipe (factory provisioning, first boot, steady-state renewal,
compromise/decommission via bulk-revoke, recommended cert lifetimes
per master prompt §7.7); serverkeygen for resource-constrained devices
(CMS EnvelopedData wrap, RSA-only at this revision, zeroize discipline,
Phase-1 cross-check refusing _SERVERKEYGEN_ENABLED=true with empty
_PROFILE_ID); HSM-backed CA signing for EST cross-ref (signer interface
seam); Operator GUI tabbed surface tour (/est: Profiles / Recent
Activity / Trust Bundle); CLI + 6 MCP tools; Renewal device-driven
model (RFC 7030 §4.2.2 mandate, renewal-trigger ratios for laptops/IoT,
operator-push via webhook); Troubleshooting matrix (one row per typed
audit-action constant in internal/service/est_audit_actions.go);
TLS 1.2 reverse-proxy runbook cross-ref (channel-binding caveat
explained); Threat model (load-bearing properties: trust-anchor reload
fail-safety, per-profile counter isolation, mTLS cross-profile bleed
defense, source-IP limiter process-locality, server-keygen heap
residency, HTTP Basic in-process-only, legacy-anonymous-default
back-compat carve-out); V3-Pro deferrals; Appendix A (libest sidecar
reproducer + 5 integration test names); Appendix B (Cisco IOS 15.x +
16.x + Apple MDM + OpenWRT + libest <v3.0 wire-format quirks tested
in internal/api/handler/cisco_ios_quirks_test.go).

UPDATED docs/architecture.md: new "EST Server (RFC 7030) — Production
Deployment" section under the existing baseline EST section. Mermaid
diagram of multi-profile dispatch + mTLS sibling route + per-profile
gate ordering + audit + GUI + SIGHUP-equivalent reload. Existing
authentication paragraph updated with forward-ref to the hardening
section. Audit paragraph updated to enumerate the 13 typed est_*
action codes operators grep on. Trust-anchor reload semantics +
libest interop tested in CI both called out.

UPDATED README.md::Enrollment Protocols: replaced the one-line EST
row with the full production-grade surface description matching the
SCEP analog. Cross-references docs/est.md.

UPDATED docs/connectors.md::EST/SCEP Integration: extended the
EST-or-SCEP shared paragraph to point at the per-profile env-var
form for both protocols + linked the new architecture.md section.
NEW "Multi-profile EST dispatch + production hardening" subsection
mirrors the SCEP equivalent: 9-row env-var table, cross-ref to
docs/est.md.

G-3 docs-drift CI guard reproduced locally clean — every CERTCTL_EST_*
mention in docs maps back to internal/config/config.go, and every
defined env var is documented. The `<NAME>` placeholder convention
matches the SCEP idiom so the docs grep doesn't extract per-deploy
profile names as phantom env vars. No new env vars introduced —
this is a pure docs commit.
2026-04-30 02:20:30 +00:00
shankar0123 8cc1153bd9 fix(docs/est): drop CERTCTL_EST_* wildcard prose to satisfy G-3 docs-drift guard
The previous commit (827b9cb) added the per-profile env-var
documentation to docs/features.md but used the prose form
`CERTCTL_EST_*` (asterisk wildcard) when describing the legacy
single-issuer flat env vars. The G-3 docs-drift guard's docs-side
extraction regex (`\bCERTCTL_[A-Z_]+\b` against README + docs +
helm) parses that prose as the env-var literal `CERTCTL_EST_`
(trailing underscore, since `*` is a non-word char that ends the
\b boundary). The Go-source-defined-vars side has no
`CERTCTL_EST_` literal — only the stem `CERTCTL_EST_PROFILE_`
+ specific full names — so the guard reports docs-only-not-defined
and refuses the build.

The SCEP doc has the same prose wildcard form (line 661 of
features.md uses `CERTCTL_SCEP_*`) but is whitelisted in the
G-3 ALLOWED list at .github/workflows/ci.yml:1278
(`CERTCTL_SCEP_|` matches the trailing-underscore stem).
EST has no equivalent allowlist entry.

Two fixes were possible: (a) add `CERTCTL_EST_|` to the G-3
allowlist (matches SCEP precedent; minimal change), or (b)
rewrite the prose to a form the regex doesn't grab (cleaner;
no allowlist sprawl). This commit takes (b): the wildcard
`CERTCTL_EST_*` becomes the explicit enumeration
`CERTCTL_EST_ENABLED` / `CERTCTL_EST_ISSUER_ID` /
`CERTCTL_EST_PROFILE_ID` — same operator-facing meaning, no
regex collision.

Verified locally: G-3 guard reports clean for the EST surface
on both directions (docs-only-not-defined + defined-not-docs).
2026-04-29 22:32:19 +00:00
shankar0123 827b9cb6c8 docs(est): document CERTCTL_EST_PROFILES + per-profile env-var family (G-3 fix)
The Phase 1 commit (a808948) introduced 11 new CERTCTL_EST_PROFILE_*
env vars + the CERTCTL_EST_PROFILES list-trigger but did not document
them in docs/features.md. CI's G-3 docs-drift guard correctly flagged
the gap.

This commit adds 11 rows to docs/features.md::EST Server (RFC 7030)
covering every new env var with its phase reference, default, and
cross-check semantics. Each row includes a forward pointer to the
phase that wires the corresponding behavior:

  - CERTCTL_EST_PROFILES (Phase 1 dispatch)
  - CERTCTL_EST_PROFILE_<NAME>_ISSUER_ID (Phase 1)
  - CERTCTL_EST_PROFILE_<NAME>_PROFILE_ID (Phase 1)
  - CERTCTL_EST_PROFILE_<NAME>_ENROLLMENT_PASSWORD (Phase 3)
  - CERTCTL_EST_PROFILE_<NAME>_MTLS_ENABLED (Phase 2)
  - CERTCTL_EST_PROFILE_<NAME>_MTLS_CLIENT_CA_TRUST_BUNDLE_PATH (Phase 2)
  - CERTCTL_EST_PROFILE_<NAME>_CHANNEL_BINDING_REQUIRED (Phase 2 / RFC 9266)
  - CERTCTL_EST_PROFILE_<NAME>_ALLOWED_AUTH_MODES (Phases 2+3)
  - CERTCTL_EST_PROFILE_<NAME>_RATE_LIMIT_PER_PRINCIPAL_24H (Phase 4)
  - CERTCTL_EST_PROFILE_<NAME>_SERVERKEYGEN_ENABLED (Phase 5)

Verified locally: G-3 guard's defined-vs-documented diff for
CERTCTL_EST_* is now empty.

Spec preserved at cowork/est-rfc7030-hardening-prompt.md.
2026-04-29 22:28:48 +00:00
shankar0123 530593507b fix(scep-intune): close 11 audit gaps from 2026-04-29 pre-tag review
Closes the eleven gaps identified in the pre-v2.1.0 audit of the SCEP
RFC 8894 + Intune master bundle (cowork/scep-bundle-gap-closure-prompt.md).
Constitutional rule from cowork/CLAUDE.md::Operating Rules — 'Always
take the complete path, not the easy path' — drove this closure: each
gap was a load-bearing wire that crossed multiple layers (config →
validator → service wire-up → tests → docs) and shipping the bundle
without them would have produced lying-field footguns where operator-
visible config options stored values without affecting behavior.

WHAT LANDS:

Phase A — Clock-skew tolerance (master prompt §15 hazard closure)
  internal/scep/intune/challenge.go: ValidateChallenge migrated from
  positional args to ValidateOptions{} struct; new ClockSkewTolerance
  field with default 0 (strict). 24 call sites updated mechanically.
  Asymmetric application: now+tolerance >= iat AND now-tolerance < exp.
  internal/config/config.go: SCEPIntuneProfileConfig.ClockSkewTolerance
  default 60s + Validate() refusal when >= ChallengeValidity.
  cmd/server/main.go: SetIntuneIntegration signature extended;
  per-profile env-var loader honors CERTCTL_SCEP_PROFILE_<NAME>_INTUNE_CLOCK_SKEW_TOLERANCE.
  internal/service/scep.go: intuneClockSkew field + IntuneStatsSnapshot
  surfaces clock_skew_tolerance_ns. web/src/api/types.ts mirrors.
  4 new tests in challenge_test.go covering accept-within-tolerance,
  reject-beyond-tolerance, accept-expired-within-tolerance,
  negative-treated-as-zero defensive normalization.
  docs/scep-intune.md updated with the new env var + time-bounds rule.

Phase B — unknown-version-rejected golden test
  internal/scep/intune/golden_helper_test.go: goldenUnknownVersionPayload
  helper + signGoldenChallengeAny generic signer.
  challenge_golden_test.go: TestGoldenChallenge_UnknownVersionRejected
  uses an in-process ECDSA fixture (the on-disk PEM was generated with
  a Go-stdlib version that produces different ecdsa.GenerateKey bytes
  from the current call). TestRegenerateGoldenFixtures emits the new
  unknown_version fixture file too.

Phase C — Two named Intune e2e tests
  internal/api/handler/scep_intune_e2e_test.go:
    TestSCEPIntuneEnrollment_RateLimited_E2E (cap=2 + 3 attempts; 3rd
    returns FAILURE+badRequest with rate_limited counter ticked)
    TestSCEPIntuneEnrollment_TrustAnchorSIGHUPReload_E2E (rotate
    on-disk PEM + holder.Reload(); old-key challenge fails with
    badMessageCheck; signature_invalid counter ticked)
  intuneE2EFixture struct extended with trustHolder + trustPath fields
  so tests can rotate.

Phase D — Four new ChromeOS hermetic tests (10 total now)
  internal/api/handler/scep_chromeos_test.go:
    _RAKeyMismatch — PKIMessage encrypted to wrong RA cert; handler
      rejects without reaching service.
    _3DESBackwardCompat — RFC 8894 §3.5.2 legacy fallback verified.
    _RSACSR + _ECDSACSR — explicit matrix-pair pinning.
  buildTestECDSACSR helper for ECDSA P-256 CSR construction;
  tripleDESCBCEncrypt mirrors aesCBCEncrypt for 3DES-CBC;
  assertChromeOSPositiveCertRep shared assertion.

Phase E — Per-profile counter isolation test
  internal/api/handler/scep_profile_counter_isolation_test.go:
    TestSCEPHandler_PerProfileIntuneCountersIsolated wires two
    SCEPService instances + drives distinct PKIMessages + asserts
    counter isolation. Guards against a future cmd/server/main.go
    refactor that shares a *intuneCounterTab across profiles.
  buildPerProfileIntuneFixture parameterized helper.

Phase F — Server-boot regression tests
  cmd/server/preflight_scep_intune_test.go: 3 named tests covering
  disabled-backward-compat, broken-config-with-PathID, expired-cert
  refusal. preflightSCEPIntuneTrustAnchor signature extended with
  pathID arg so error messages carry PathID= for operator log-grep.

Phase G — docs/connectors.md
  Four new subsections under §EST/SCEP Integration: multi-profile
  dispatch + mTLS sibling route + Intune Connector dispatcher + SCEP
  probe in network scanner. Each has a one-paragraph operator
  explanation + an env-var or endpoint table.

Phase H — Coverage uplift
  internal/service/scep_probe_persist_test.go: 5 unit tests on
  persistProbeResult (nil-safe + nil-repo-safe + repo-error swallow +
  nil-logger guard) + ListRecentSCEPProbes (empty-slice-not-nil + repo
  pass-through) + describeCertAlgorithm (RSA/ECDSA/QF1008-nil-curve
  defensive branch/Ed25519/DSA/empty). CI gates (service ≥70, handler
  ≥75) PASS at 70.9% / 79.3%.

Phase I — deploy/test integration variant
  deploy/test/scep_intune_e2e_test.go (//go:build integration):
    TestSCEPIntuneEnrollment_Integration + _RateLimited_Integration
    against the live docker-compose certctl container. Skip-when-
    stack-missing semantics so sandbox + CI both work.
  deploy/docker-compose.test.yml: new e2eintune SCEP profile env
  vars + bind-mount of deploy/test/fixtures/.
  deploy/test/fixtures/README.md: documents the deterministic trust
  anchor regeneration recipe.

VERIFICATION (sandbox):
  gofmt -d        — clean for all changed files
  staticcheck     — clean for intune + handler + config + service +
                    cmd/server packages
  go vet          — clean for the same packages
  go test -short  — green for intune (95.3% cov), service (70.9%),
                    handler (79.3%), config (94.0%), cmd/server (boot
                    path; my preflight tests cover the directly-
                    testable function), pkcs7 (80.5% informational)

DEFERRED (per closure prompt §7 out-of-scope):
  - V3-Pro Conditional Access gating + Microsoft Graph integration
  - Standalone certctl-scan CLI binary
  - OCSP rate-limiting, OCSP stapling, delta CRLs

Spec preserved at cowork/scep-bundle-gap-closure-prompt.md;
journal at cowork/scep-rfc8894-intune/progress.md (audit-closure
section appended).
2026-04-29 20:28:53 +00:00
shankar0123 0be889ff1d refactor(scep-gui): rebrand SCEP admin surface to per-profile tabbed interface (Profiles + Intune + Recent Activity)
Phase 9 follow-up to the SCEP RFC 8894 + Intune master bundle. The
Phase 9.4 GUI shipped 'SCEP Intune Monitoring' at /scep/intune, which
made the per-profile observability surface look Intune-only — operators
running EJBCA + Jamf would never click that nav link expecting per-
profile RA cert + mTLS observability. The page is per-profile keyed
under the hood; this commit rebrands + restructures so the surface
matches what operators actually need.

Spec: cowork/scep-gui-restructure-prompt.md.

User-visible change:

  - Nav link renamed: 'SCEP Intune' → 'SCEP Admin'.
  - Route: /scep is the new canonical path; /scep/intune kept as a
    backward-compat alias that lands directly on the Intune tab.
  - Page header: 'SCEP Administration'.
  - Three tabs:
      * Profiles (default) — per-profile lean cards with RA cert
        expiry countdown, mTLS sibling-route status badge, Intune
        enabled/disabled badge, challenge-password-set indicator.
        'View Intune details →' link on Intune-enabled cards
        deep-links into the Intune tab.
      * Intune Monitoring — the existing Phase 9.4 deep-dive
        (per-status counters, trust anchor expiry, recent failures
        table, reload-trust button + confirmation modal).
      * Recent Activity — full SCEP audit log filter merging all
        four action codes (scep_pkcsreq + scep_renewalreq +
        scep_pkcsreq_intune + scep_renewalreq_intune); chip filters
        for All / Initial / Renewal / Intune / Static.

Backend:

  * internal/service/scep.go — new SCEPProfileStatsSnapshot type +
    IntuneSection sub-block + ProfileStats(now) accessor. Adds
    raCertSubject/raCertNotBefore/raCertNotAfter + mtlsEnabled +
    mtlsTrustBundlePath fields with SetRACert + SetMTLSConfig setters.
    Existing IntuneStatsSnapshot + IntuneStats(now) preserved
    UNCHANGED for /admin/scep/intune/stats backward compat (the
    JSON shape stays byte-stable for external consumers — the
    aliasing approach the prompt initially suggested doesn't work
    because the new shape nests Intune while the old one is flat).
    ChallengePasswordSet is derived from challengePassword != ''
    (the secret value itself is never surfaced).

  * internal/api/handler/admin_scep_intune.go — new Profiles handler
    method on AdminSCEPIntuneHandler with the same M-008 admin gate.
    AdminSCEPIntuneServiceImpl extended (in place; same
    map[string]*service.SCEPService) to satisfy the new
    AdminSCEPProfileService interface. Single handler file gets the
    third method so the M-008 pin entry count stays steady (no new
    file, no new triplet of admin-gate test files — just three new
    Profiles tests inside the existing test file).

  * internal/api/router/router.go — one new route
    'GET /api/v1/admin/scep/profiles' registered to
    reg.AdminSCEPIntune.Profiles. HandlerRegistry unchanged.

  * api/openapi.yaml — new operation 'listSCEPProfiles' documenting
    the request body / response shape / error mapping. Existing
    Intune entries unchanged.

  * cmd/server/main.go — per-profile loop now calls
    scepService.SetMTLSConfig(profile.MTLSEnabled,
    profile.MTLSClientCATrustBundlePath) right after SetPathID, and
    scepService.SetRACert(raCert) right after loadSCEPRAPair returns
    the leaf cert. Both setters are nil-safe.

  * internal/api/handler/m008_admin_gate_test.go — extended the
    existing admin_scep_intune.go entry's justification to mention
    the third endpoint. No new map entry needed (file already
    listed).

Backend tests (8 new):

  * TestAdminSCEPProfiles_NonAdmin_Returns403
  * TestAdminSCEPProfiles_AdminExplicitFalse_Returns403
  * TestAdminSCEPProfiles_AdminPermitted_ForwardsActor — also pins
    that Intune-enabled profiles emit an 'intune' sub-block while
    Intune-disabled profiles OMIT it.
  * TestAdminSCEPProfiles_RejectsNonGetMethod
  * TestAdminSCEPProfiles_PropagatesServiceError
  * TestAdminSCEPProfilesServiceImpl_NilMapReturnsEmpty
  * (existing 16 Phase 9 admin tests still pass — backward-compat
    preserved)

Frontend:

  * web/src/api/types.ts — new SCEPProfileStatsSnapshot +
    IntuneSection + SCEPProfilesResponse types. Existing
    IntuneStatsSnapshot et al unchanged.
  * web/src/api/client.ts — new getAdminSCEPProfiles helper.
  * web/src/pages/SCEPAdminPage.tsx — full rewrite as the tabbed
    surface. Reuses the existing ConfirmReloadModal and Intune
    deep-dive card components verbatim; adds ProfileSummaryCard
    (lean card for the Profiles tab) and ActivityTab. URL state
    sync via useSearchParams so deep links survive reloads + browser
    back/forward. The legacy /scep/intune route alias defaults the
    activeTab to 'intune' on mount.
  * web/src/main.tsx — new <Route path='scep' /> + preserved
    <Route path='scep/intune' /> alias. Both render SCEPAdminPage.
  * web/src/components/Layout.tsx — nav link rebranded:
    label 'SCEP Intune' → 'SCEP Admin', to '/scep/intune' → '/scep'.

Frontend tests (20 — full rebuild):

  * Admin gate (non-admin sees gated banner + zero admin API calls)
  * Profiles tab default + Intune tab tabswitch + ?tab=intune deep
    link + legacy /scep/intune alias all land on Intune
  * Profiles tab status badges (Intune + mTLS + challenge-set)
    reflect each profile's flags
  * RA cert expiry tone bands (good ≥30d / warn 7-30d / bad <7d /
    EXPIRED) verified across three fixture profiles
  * 'View Intune details →' only renders for Intune-enabled
    profiles AND switches tabs on click
  * Empty-state banner when no profiles configured
  * Intune tab counters render with the existing Phase 9 deep-dive
    shape; reload modal Open/Confirm/Cancel/Error paths all pinned
  * Recent Activity tab merges all four SCEP audit actions across
    four parallel useQuery calls; filter chips
    (all/initial/renewal/intune/static) narrow correctly
  * Error path surfaces ErrorState on the active tab

Docs:

  * docs/scep-intune.md — Operational monitoring section heading
    expanded to '(SCEP Administration → Intune Monitoring tab)'.
    Page-surface description rewritten for the tabbed shape;
    admin-endpoints list extended with the new /admin/scep/profiles
    entry.
  * docs/architecture.md — Microsoft Intune Connector trust anchor
    subsection updated to reference the Intune Monitoring tab inside
    the SCEP Administration page + lists all three admin endpoints.
  * docs/legacy-est-scep.md — forward-ref expanded with a parallel
    sentence for the per-profile observability surface (independent
    of Intune).
  * README.md — Enrollment Protocols bullet for Intune updated to
    'admin GUI SCEP Administration page at /scep' with the three
    tabs called out.

Verification:
  * gofmt clean on touched files
  * go vet ./... clean
  * staticcheck on intune+service+handler+router+cmd-server clean
  * go test -short across intune+service+handler+router+cmd-server:
    all green (existing Phase 9 tests + new Profiles tests)
  * Frontend tsc --noEmit clean
  * Vitest: 20/20 SCEPAdminPage tests + 3/3 sibling AuditPage tests
    pass
  * G-3 docs-drift CI guard reproduced locally: clean (no new env
    vars; existing CERTCTL_SCEP_ allowlist prefix covers everything)
  * M-009 hard-zero useMutation guard reproduced locally: clean
    (the existing reload mutation already used useTrackedMutation
    from the Phase 9 follow-up commit 28e277a)
  * openapi-parity test green (new GET /api/v1/admin/scep/profiles
    operation documented)
  * M-008 admin-gate scanner green (existing admin_scep_intune.go
    entry covers all three handler methods; the test scanner
    enforces the triplet by file, not by endpoint, and the new
    Profiles triplet was added to the existing test file)

Backward compat preserved:
  * /api/v1/admin/scep/intune/stats unchanged — same JSON shape,
    same error codes, same M-008 gate
  * /api/v1/admin/scep/intune/reload-trust unchanged
  * /scep/intune route still works (alias to /scep with activeTab=intune)
  * IntuneStatsSnapshot Go type unchanged
  * IntuneStats(now) accessor unchanged

Refs: cowork/scep-gui-restructure-prompt.md
      cowork/scep-rfc8894-intune-master-prompt.md::Phase 9
      Phase 11.5 (SCEP probe in scanner — opt-in) and Phase 12
      (release prep + tag) of the master bundle resume after this.
2026-04-29 17:46:42 +00:00
shankar0123 5d080c86fd docs(scep-intune): deployment guide + troubleshooting + Microsoft support statement
Phase 11 of the SCEP RFC 8894 + Intune master bundle.

Phase 11.1 — docs/scep-intune.md (new, ~340 lines):

  * TL;DR — drop-in NDES replacement framing; what an operator gets
    over NDES (per-profile endpoints, audit-log forensics, SIGHUP
    reload, GUI monitoring, per-device rate limit).
  * Architecture diagram — Intune cloud → Connector → certctl SCEP
    → issuer connector. Explicit 'certctl replaces NDES, NOT the
    Connector' framing; nine-gate dispatcher walk (shape pre-check,
    JWS sig, version dispatch, time bounds, audience pin, CSR binding,
    replay, per-device rate limit, optional compliance).
  * Migration playbook (NDES + EJBCA / NDES + ADCS) — 9-step run-book:
    install alongside, configure per-profile endpoint, extract trust
    anchor, configure CONNECTOR_CERT_PATH + AUDIENCE, configure
    issuer connector, migrate one profile, verify enrollment, roll
    out fleet, decommission NDES.
  * Intune SCEP profile field mapping table — every Intune admin
    center field mapped to certctl's behavior (cert type, subject
    name format, SAN, validity, key storage provider, key usage,
    EKU, hash algorithm, SCEP server URL).
  * Trust anchor extraction recipe — step-by-step certlm.msc export
    of the 'CN=Microsoft Intune Certificate Connector' cert, PEM
    rename, env-var configuration, HA Connector concatenation, SIGHUP
    rotation flow.
  * Troubleshooting matrix — 10 failure modes mapped to root causes
    and operator actions: signature_invalid (trust anchor stale),
    claim_mismatch (Intune profile SAN config), expired (clock skew /
    Connector cert past NotAfter), not_yet_valid (reverse skew),
    wrong_audience (URL mismatch), replay (retry-window collision),
    rate_limited (limiter doing its job), unknown_version (Microsoft
    shipped new format), malformed (proxy mangling body),
    compliance_failed (V3-Pro hook returned non-compliant).
  * Operational monitoring — admin GUI surface description, expiry
    badge tone bands (≥30d green / 7-30d amber / <7d red / EXPIRED),
    per-status counter polling cadence, audit log filter, recommended
    Prometheus alert thresholds.
  * Limitations — explicit V3-Pro deferrals: native Microsoft Graph
    integration, Conditional Access compliance gating, per-tenant
    trust anchors (MSP scoping), OCSP stapling at SCEP-response time,
    auto-discovery of Connector signing cert.
  * Microsoft support statement — three Microsoft Learn URLs (verified
    live with HTTP 200): Connector overview, SCEP profile setup,
    Connector install validation. Microsoft documents the Connector
    as RFC-8894-compliant and supports its use against any RFC 8894
    SCEP server.

Phase 11.2 — Cross-references:

  * docs/legacy-est-scep.md — the previous forward-ref pointed at
    'the Phase 11 doc this bundle ships'; updated to a richer pointer
    that lists what scep-intune.md covers (architecture, migration,
    profile mapping, extraction, troubleshooting, monitoring,
    limitations, Microsoft support).
  * README.md — new bullet under Enrollment Protocols table:
    'Microsoft Intune SCEP fleet (drop-in NDES replacement)' with
    the per-profile dispatcher feature list + link to scep-intune.md.
    Procurement teams scanning the README see the Intune story
    alongside ChromeOS / Jamf in the same table row.
  * docs/architecture.md — new 'Microsoft Intune Connector trust
    anchor (per-profile, opt-in)' subsection in the Security Model
    section. ASCII diagram showing the dispatcher walk; calls out
    the SIGHUP reload + admin-gated GUI surface; forward-link to
    scep-intune.md.

Verification:
  * All linked anchors inside scep-intune.md resolve to existing
    headings: #limitations, #microsoft-support-statement,
    #operational-monitoring, #trust-anchor-extraction.
  * All linked doc paths resolve: legacy-est-scep.md, architecture.md,
    features.md, tls.md.
  * All three Microsoft Learn URLs return HTTP 200 (verified via curl).
  * G-3 docs-drift CI guard reproduced locally and clean — the
    migration playbook uses the <NAME> placeholder convention
    consistently (matching features.md style) so the docs scanner
    doesn't extract literal env-var names that aren't in config.go.
  * Backend tests across intune+handler+service+router still green.

Refs: cowork/scep-rfc8894-intune-master-prompt.md::Phase 11
      cowork/scep-rfc8894-intune/progress.md
2026-04-29 17:03:56 +00:00
shankar0123 7612da783a feat(scep-intune): per-profile dispatcher + SIGHUP reload + per-device rate limit + compliance hook seam
Phase 8 of the SCEP RFC 8894 + Intune master bundle. Wires the
internal/scep/intune validator from Phase 7 into the SCEPService
dispatch path, with a SIGHUP-reloadable trust anchor holder, a
per-(Subject, Issuer) sliding-window rate limiter, and a nil-default
ComplianceCheck seam for V3-Pro.

Operator-visible surface (per-profile, all default to off):

  CERTCTL_SCEP_PROFILE_<NAME>_INTUNE_ENABLED=true
  CERTCTL_SCEP_PROFILE_<NAME>_INTUNE_CONNECTOR_CERT_PATH=/etc/certctl/intune.pem
  CERTCTL_SCEP_PROFILE_<NAME>_INTUNE_AUDIENCE=https://certctl.example.com/scep/corp
  CERTCTL_SCEP_PROFILE_<NAME>_INTUNE_CHALLENGE_VALIDITY=60m
  CERTCTL_SCEP_PROFILE_<NAME>_INTUNE_PER_DEVICE_RATE_LIMIT_24H=3

Per-profile dispatch (Phase 8.8): an operator running corp-laptops
through Intune AND IoT devices through static challenge configures
INTUNE_ENABLED=true on the corp profile only — the IoT profile's
PKCSReq path skips the dispatcher entirely. Mirrors the per-profile
shape established by Phase 1.5.

Wire-in surfaces:

  * config.go (Phase 8.1): SCEPProfileConfig.Intune sub-config of
    type SCEPIntuneProfileConfig (Enabled/ConnectorCertPath/Audience/
    ChallengeValidity/PerDeviceRateLimit24h). Loaded from the indexed
    CERTCTL_SCEP_PROFILE_<NAME>_INTUNE_* env-var family. Per-profile
    Validate gate refuses INTUNE_ENABLED=true with empty ConnectorCertPath
    OR negative PerDeviceRateLimit24h.

  * cmd/server/main.go (Phase 8.2 + wire-in): preflightSCEPIntuneTrustAnchor
    helper mirrors preflightSCEPRACertKey/preflightSCEPMTLSTrustBundle
    shape — fail-loud at boot when the trust anchor file is missing /
    unreadable / empty / contains an expired cert. The per-profile loop
    builds the holder + replay cache + rate limiter, calls
    SetIntuneIntegration on the SCEPService, and starts the SIGHUP
    watcher. A deferred sweep stops every watcher at shutdown.

  * internal/scep/intune/trust_anchor_holder.go (Phase 8.5):
    TrustAnchorHolder mirrors cmd/server/tls.go::certHolder. RWMutex-
    guarded pool + Reload that swaps a fresh slice on success +
    WatchSIGHUP goroutine that responds to the same SIGHUP the existing
    TLS-cert watcher uses. A bad reload (parse error, expired cert)
    keeps the OLD pool in place so a half-rotation doesn't take Intune
    enrollment down — same fail-safe pattern. Operators rotate via the
    on-disk file then 'kill -HUP <certctl-pid>'.

  * internal/scep/intune/rate_limit.go (Phase 8.6): hand-rolled
    sliding-window-log limiter keyed by (Subject, Issuer). 100k-entry
    map cap (matches replay cache); at-cap drops the bucket whose
    newest timestamp is the oldest. Default 3 enrollments per 24h
    covers legitimate first-cert + recovery + post-wipe re-enrollment
    but blocks bulk enumeration from a compromised Connector signing
    key. maxN <= 0 disables the limiter for tests + the rare operator
    who wants no per-device cap. Empty subject short-circuits to allow
    (defense-in-depth: caller's claim validation rejects empty-subject
    upstream; no shared bucket on '').

    Why hand-rolled instead of golang.org/x/time/rate: the rate
    package is in go.sum as an indirect transitive but not a direct
    dep. ~30 LoC of stdlib avoids creating a new direct dep.

  * internal/service/scep.go (Phase 8.3 + 8.4 + 8.7):
    - SCEPService gains intuneEnabled / intuneTrust / intuneAudience /
      intuneValidity / intuneReplayCache / intuneRateLimiter /
      complianceCheck fields.
    - SetIntuneIntegration() constructor-time injection wires the
      per-profile state. Profiles with INTUNE_ENABLED=false never
      call this method, so they pay zero overhead.
    - SetComplianceCheck() installs the V3-Pro plug-in (see Phase 8.7).
    - looksIntuneShaped(): JWT-shape pre-check (length > 200 + exactly
      two dots). Allowed to false-positive (validator catches malformed
      → ErrChallengeMalformed); MUST NOT false-negative on real Intune
      challenges.
    - dispatchIntuneChallenge(): the load-bearing core. Runs
      ValidateChallenge → CSR-binding via DeviceMatchesCSR → replay
      cache CheckAndInsert → per-device Allow → optional ComplianceCheck.
      Each failure leg increments a typed metric label and emits an
      audit-friendly Warn log line.
    - PKCSReq + PKCSReqWithEnvelope + RenewalReqWithEnvelope all call
      dispatchIntuneChallenge first; on outcome.decided=true they
      either short-circuit (with a typed-error → SCEPFailInfo mapping)
      or call processEnrollment with action='scep_pkcsreq_intune'
      (so audit greps can count Intune-vs-static enrollments).
    - mapIntuneErrorToFailInfo(): typed-error → SCEPFailInfo per
      RFC 8894 §3.2.1.4.5 (signature/replay/expired → BadMessageCheck;
      claim-mismatch → BadRequest; default → BadRequest).
    - intuneFailReason(): typed-error → metric label
      ('signature_invalid' / 'expired' / 'rate_limited' / etc.). Default
      'malformed' so a previously-unseen error category still surfaces
      in the metric for follow-up.
    - ComplianceCheck (Phase 8.7): nil-default no-op gate. V3-Pro plugs
      in via SetComplianceCheck to call Microsoft Graph's compliance
      API. Returns (compliant, reason, err). nil-err + compliant=false
      → CertRep FAILURE + 'compliance' reason in audit. err != nil →
      fail-safe deny (V3-Pro module is responsible for any 'permit on
      API failure' policy).

  * internal/service/scep.go also gains parseCSRForIntune() — small
    private wrapper around encoding/pem + x509 used by the dispatcher
    for the claim ↔ CSR binding check (separated from the broader
    processEnrollment because we want to bind BEFORE consuming the
    replay-cache slot).

Tests (gates: ≥85% coverage on intune package, ≥70% on service):

  * scep_intune_test.go (in internal/service): 14 dispatcher tests
    covering happy-path Intune enrollment + static-challenge fallback
    + tampered-challenge reject + claim-mismatch reject + replay
    detected + rate-limited + compliance-hook nil-default + compliance-
    hook denies non-compliant + compliance-hook error fails closed +
    IntuneEnabled accessor + 'no IntuneEnabled = static path
    unchanged' regression pin + intuneFailReason mapping for every
    typed error + looksIntuneShaped boundary cases.

  * trust_anchor_holder_test.go (in internal/scep/intune): NewLoadsBundle,
    NewRequiresLogger, NewSurfacesLoadError, ReloadHappyPath,
    ReloadKeepsOldOnFailure, ReloadKeepsOldOnExpired (the fail-safe
    semantics that make the SIGHUP path operator-friendly),
    WatchSIGHUPReloadsPool (real SIGHUP to self with poll-for-swap
    pattern mirroring cmd/server/tls_test.go), WatchSIGHUPStopIsClean
    (does NOT fire SIGHUP after stop — same caveat as the TLS test:
    the Go runtime would otherwise terminate the test runner on the
    next SIGHUP since signal.Stop has removed the handler).

  * rate_limit_test.go (in internal/scep/intune): AllowsUpToCap,
    DistinctKeysIndependent, WindowExpiry, DisabledBypass (maxN=0),
    NegativeCapDisabled, EmptySubjectShortCircuits (defense-in-depth
    against an empty-subject DoS chokepoint), DefaultCapsHonored,
    MapCapEvictsOldest (at-cap eviction branch), ConcurrentRaceFree
    (50 goroutines × 200 inserts), pruneOlderThan + the no-op case.

Verification:

  * gofmt -l on all touched files: clean
  * go vet ./... : clean
  * staticcheck on intune/service/config/cmd-server: clean
  * go test -count=1 -cover ./internal/scep/intune/...: 94.8%
    (target ≥85%)
  * go test -short across intune+service+config+handler+cmd-server:
    all green
  * G-3 docs-drift CI guard reproduced locally: docs-only filtered=
    empty, config-only=empty. The new env vars match the existing
    CERTCTL_SCEP_ allowlist prefix.

Refs: cowork/scep-rfc8894-intune-master-prompt.md::Phase 8
      cowork/scep-rfc8894-intune/progress.md
      Constitutional rule: 'Always take the complete path, not the
      easy path' (cowork/CLAUDE.md::Operating Rules) — operator can
      flip CERTCTL_SCEP_PROFILE_<NAME>_INTUNE_ENABLED=true and observe
      the dispatcher pick up Intune-shaped challenges end-to-end with
      no further code changes. Foundation + plumbing ship together.
2026-04-29 15:34:19 +00:00
shankar0123 a12a437664 feat(scep): mTLS sibling route /scep-mtls/<pathID> (opt-in)
SCEP RFC 8894 + Intune master bundle — Phase 6.5 of 14 (opt-in,
enterprise-procurement-checkbox).

Closes the procurement-team objection that 'shared password
authentication' is a checkbox-fail regardless of how strong the
password is. The clean answer: a sibling route that adds client-cert
auth at the handler layer AND keeps the challenge password (defense in
depth, not replacement). Devices present a bootstrap cert from a
trusted CA (e.g. a manufacturing-time cert), then SCEP-enroll for
their long-lived cert. Same model Apple's MDM and Cisco's BRSKI use.

internal/config/config.go
  * SCEPProfileConfig gains MTLSEnabled bool + MTLSClientCATrustBundlePath
    string. Indexed env-var loader reads
    CERTCTL_SCEP_PROFILE_<NAME>_MTLS_ENABLED +
    CERTCTL_SCEP_PROFILE_<NAME>_MTLS_CLIENT_CA_TRUST_BUNDLE_PATH.
  * Validate() refuses MTLSEnabled=true with empty bundle path —
    structural defense in depth ahead of the file-content preflight.

cmd/server/main.go
  * preflightSCEPMTLSTrustBundle: file existence + PEM parse + ≥1
    CERTIFICATE block + non-expired check. Returns the parsed
    *x509.CertPool ready to inject into the per-profile SCEPHandler.
    Failures os.Exit(1) with the offending PathID in the structured log.
  * SCEP startup loop walks each profile; when MTLSEnabled, runs
    preflight, builds the per-profile pool, contributes the bundle's
    certs to the union pool that backs the TLS-layer
    VerifyClientCertIfGiven, clones the SCEPHandler with
    SetMTLSTrustPool, and registers the parallel sibling route via
    apiRouter.RegisterSCEPMTLSHandlers.
  * Union pool published to outer scope as scepMTLSUnionPoolForTLS;
    passed to buildServerTLSConfigWithMTLS so the listener serves both
    /scep[/<pathID>] (no client cert) and /scep-mtls/<pathID>
    (cert required at handler layer) on the same socket.
  * Final-handler dispatch gains /scep-mtls + /scep-mtls/* prefix
    routing through the no-auth chain (auth boundary is the client
    cert + challenge password, NOT a Bearer token).

cmd/server/tls.go
  * New buildServerTLSConfigWithMTLS that wraps buildServerTLSConfig
    + sets ClientCAs + ClientAuth=VerifyClientCertIfGiven when a
    non-nil pool is passed. nil pool = identical TLS shape to the
    pre-Phase-6.5 builder (no behavior change for deploys without
    mTLS profiles).
  * Critical: VerifyClientCertIfGiven (NOT RequireAndVerifyClientCert)
    so a client that doesn't present a cert can still hit the standard
    /scep route. The per-profile gate at the handler layer enforces
    'cert required' on /scep-mtls/<pathID>.

internal/api/handler/scep.go
  * SCEPHandler gains mtlsTrustPool *x509.CertPool field +
    SetMTLSTrustPool method. Per-profile pool injected by
    cmd/server/main.go after preflight.
  * HandleSCEPMTLS wrapper: gates on r.TLS.PeerCertificates non-empty
    + per-profile cert.Verify against THIS profile's pool. Returns
    HTTP 401 for missing/untrusted cert (mTLS failure is auth, not
    authorization). Returns HTTP 500 if mtlsTrustPool is nil (deploy
    bug — the route shouldn't have been registered). On success
    delegates to HandleSCEP — defense in depth: mTLS is additive,
    NOT replacement; the standard SCEP code path including the
    challenge-password gate still executes.
  * Per-profile re-verification via cert.Verify(...) is critical:
    the TLS layer verified against the UNION pool, so a cert that
    chains to profile A's bundle would pass TLS even when targeting
    profile B. The handler-layer gate prevents cross-profile
    bleed-through.

internal/api/router/router.go
  * AuthExemptDispatchPrefixes gains '/scep-mtls' (auth boundary is
    client cert + challenge password, NOT Bearer token).
  * RegisterSCEPMTLSHandlers parallel to RegisterSCEPHandlers:
    empty PathID maps to /scep-mtls root; non-empty maps to
    /scep-mtls/<pathID>. Each handler in the map MUST have had
    SetMTLSTrustPool called.

internal/api/router/openapi_parity_test.go
  * SpecParityExceptions allowlists 'GET /scep-mtls' + 'POST
    /scep-mtls' since the wire format is identical to /scep —
    documenting both routes separately would duplicate every
    operation row with no information gain. Documented alternative
    in docs/legacy-est-scep.md.

internal/api/handler/scep_mtls_test.go (new, ~210 LoC)
  * 6 tests + 2 helpers covering the auth contract:
    1. RejectsMissingClientCert — request with r.TLS=nil → 401
    2. RejectsUntrustedClientCert — cert chains to a different
       CA → 401 (per-profile re-verification works)
    3. AcceptsTrustedClientCert — cert chains to THIS profile's
       pool → 200 (delegates to HandleSCEP)
    4. StillRoutesThroughHandleSCEP — pin Content-Type + body
       come from HandleSCEP delegate (defense in depth pin)
    5. NoTrustPool_Returns500 — handler with SetMTLSTrustPool
       never called → 500 (deploy-bug surface)
    6. StandardRoute_StillNoMTLS — pin /scep keeps working
       without a client cert even when mTLS pool is set
  * genSelfSignedECDSACA + signECDSAClientCert helpers materialise
    real cert chains (trusted-bootstrap-ca + trusted-device,
    untrusted-attacker-ca + untrusted-device) so the Verify path
    exercises real x509 chain validation, not mocks.

docs/features.md
  * SCEP env-vars table extended with the two new MTLS env vars
    (CERTCTL_SCEP_PROFILE_<NAME>_MTLS_ENABLED,
    CERTCTL_SCEP_PROFILE_<NAME>_MTLS_CLIENT_CA_TRUST_BUNDLE_PATH).
    Closes the G-3 'env var defined in Go but never documented' gate.

docs/legacy-est-scep.md
  * New 'mTLS sibling route (Phase 6.5, opt-in)' section covering
    opt-in env vars, TLS server config (union pool +
    VerifyClientCertIfGiven), handler-layer per-profile gate,
    full auth chain on /scep-mtls/<pathID>, operator migration
    workflow from challenge-password-only to challenge+mTLS.

cowork/CLAUDE.md::Active Focus
  * 'HALF 1 COMPLETE' updated from '(Phases 0-5 of 14 SHIPPED)' to
    '(Phases 0-6 + Phase 6.5 of 14 SHIPPED)'.

Verification:
  * gofmt + go vet + staticcheck clean across api/handler /
    api/router / config / cmd/server.
  * go test -short -count=1 green across api/handler (with the new
    scep_mtls_test.go) / api/router / service / config / pkcs7 /
    cmd/server / connector/issuer/local.
  * G-3 docs-drift CI guard local check: empty in both directions
    after the new MTLS env vars landed in features.md.
  * The constitutional test ('can an operator flip the bit and
    observe the behavior change end-to-end?') is YES: setting
    CERTCTL_SCEP_PROFILE_<NAME>_MTLS_ENABLED=true plus the trust
    bundle path produces a working /scep-mtls/<pathID> endpoint
    that accepts trusted client certs + rejects untrusted ones,
    with no further code changes required.

Phase 6.5 of 14 in SCEP RFC 8894 + Intune master bundle.
Half 1 (Phases 0-6 + 6.5) is now FEATURE-COMPLETE for the
ChromeOS / general-MDM use case. Half 2 (Phases 7-12) adds the
Microsoft Intune dynamic-challenge layer.
2026-04-29 13:58:18 +00:00
shankar0123 b857bdc560 docs(scep): close G-3 docs-only drift in legacy-est-scep.md
Two G-3 regression hits from the SCEP RFC 8894 docs that landed in
commit b33b843's docs/legacy-est-scep.md addition:

1. CERTCTL_SCEP_PROFILE_CORP_* (5 vars) — the multi-profile dispatch
   recipe used literal CORP placeholders in the example block, which
   the G-3 scanner treats as phantom env vars (the loader expands
   <NAME> at runtime; CORP is never a literal env-var key in Go
   source). Replaced the literal example with a prose description
   that uses the <NAME> token explicitly + cross-references
   docs/features.md where the per-profile suffix table lives. The
   G-3 scanner sees only CERTCTL_SCEP_PROFILES + the prefix
   CERTCTL_SCEP_ (already on the ALLOWED list per commit 5c7c125),
   matching the convention used elsewhere in the SCEP env-var docs.

2. CERTCTL_TLS_CERT_PATH — incorrect env var name in the RA-cert
   rotation paragraph. The actual config field is
   CERTCTL_SERVER_TLS_CERT_PATH (per internal/config/config.go:1130).
   Fixed the reference. The CERTCTL_TLS_ prefix is already allowlisted
   (covers e.g. CERTCTL_TLS_INSECURE_SKIP_VERIFY), but the literal
   suffix _CERT_PATH was a typo that bypassed the prefix match.

Verification: local G-3 set difference (Go-defined ∖ docs-mentioned)
empty in BOTH directions after the fix.

Restores green CI on the env-var docs drift guard for the SCEP
plumbing PR.
2026-04-29 13:41:08 +00:00
shankar0123 23603f5174 docs(scep): RFC 8894 hardening — README + architecture + connectors
SCEP RFC 8894 + Intune master bundle — Phase 6 of 14.

Closes Half 1 of the bundle (Phases 0-6). The certctl SCEP server now
ships full RFC 8894 wire format (EnvelopedData decrypt + signerInfo POPO
verify + CertRep PKIMessage builder), tested against ChromeOS-shape
hermetic E2E requests, with multi-profile dispatch and must-staple
per-profile policy. Half 2 (Phases 7-12) adds the Microsoft Intune
dynamic-challenge layer; Phase 6.5 (mTLS sibling route) is independently
shippable as an opt-in enterprise-procurement feature.

README.md
  * Standards & Revocation table SCEP row updated to mention full RFC
    8894 wire format (EnvelopedData decryption, signerInfo POPO
    verification, CertRep PKIMessage builder), PKCSReq + RenewalReq +
    GetCertInitial messageType dispatch, multi-profile dispatch
    (/scep/<pathID>), per-profile RA cert + key, MVP fall-through for
    lightweight clients.
  * Enrollment protocols paragraph extended with the same scope, plus
    a link to docs/legacy-est-scep.md for the operator + device-
    integration guide.

docs/architecture.md
  * SCEP wire format paragraph rewritten to describe the two paths
    (RFC 8894 first, MVP fall-through), the messageType dispatch
    table, the EnvelopedData decrypt (constant-time PKCS#7 unpad
    closing the padding-oracle leg), the SET-OF Attribute
    re-serialisation quirk per RFC 5652 §5.4, and the CertRep
    PKIMessage shape (cert chain encrypted to req.SignerCert, NOT
    the RA cert).
  * SCEP service interface updated to show the three new
    *WithEnvelope variants alongside the legacy PKCSReq method.
  * Added 'Capabilities advertised', 'Multi-profile dispatch', and
    'Must-staple per profile' subsections covering the RFC 7633
    extension policy.

docs/connectors.md
  * EST/SCEP Integration section extended with the per-profile
    issuer-binding env-var form (CERTCTL_SCEP_PROFILE_<NAME>_ISSUER_ID).
  * New SCEP RA cert + key paragraph pointing operators at the
    legacy-est-scep.md openssl recipe + ChromeOS Admin Console
    pointer + must-staple per-profile policy.

cowork/CLAUDE.md::Active Focus
  * 2026-04-29 SCEP RFC 8894 + Intune master bundle status updated
    to 'HALF 1 COMPLETE (Phases 0-5 of 14 SHIPPED)' with the full
    chain of commit SHAs (105c307fdd424ba546a1bb540d44 +
    7b40361b33b843).
  * Unreleased-on-master bullet extended to enumerate the SCEP
    bundle deliverables alongside the CRL/OCSP work, plus the new
    SCEP env vars (CERTCTL_SCEP_RA_*_PATH, CERTCTL_SCEP_PROFILES,
    CERTCTL_SCEP_PROFILE_<NAME>_*).

cowork/CLAUDE.md::Architecture Decisions
  * Added a new bullet for 'SCEP RFC 8894 native implementation
    (post-2026-04-29)' covering the load-bearing design decisions:
    EnvelopedData decrypt with constant-time padding strip, the
    SET-OF re-serialisation quirk, the dispatch-on-messageType
    pattern, multi-profile dispatch, the MVP fall-through contract,
    capability advertisement, ChromeOS-shape E2E test, must-staple
    per-profile.

Smoke test against fresh make docker-up SKIPPED in this commit — the
sandbox doesn't have Docker available. The full smoke recipe is in
the Phase 6.3 prompt; CI runs the full integration suite via the
standard docker-compose.test.yml workflow on the next push.

Verification (sandbox):
  * gofmt + go vet + staticcheck clean for all touched paths.
  * go test -short -count=1 green across api/handler / api/router /
    service / pkcs7 / connector/issuer/local / domain / cmd/server.
  * Coverage held: handler 79.0% / service 73.2% / pkcs7 80.5% /
    config 96.0% / domain 88.6% / router 100%.

Phase 6 of 14 in SCEP RFC 8894 + Intune master bundle.
Half 1 COMPLETE. Half 2 (Phases 7-12, Microsoft Intune dynamic-
challenge layer) ready to begin.
2026-04-29 13:21:50 +00:00
shankar0123 b33b843908 feat(scep): RenewalReq + GetCertInitial + ChromeOS E2E + caps + must-staple
SCEP RFC 8894 + Intune master bundle — Phase 4 + Phase 5 of 14.

Half 1 of the bundle's two halves is now COMPLETE through Phase 5:
the certctl SCEP server passes ChromeOS-shape hermetic E2E tests,
advertises the right capabilities, dispatches PKCSReq / RenewalReq /
GetCertInitial, and supports must-staple per-profile.

== Phase 4: RenewalReq + GetCertInitial wiring ============================

internal/service/scep.go
  * RenewalReqWithEnvelope (RFC 8894 §3.3.1.2) — re-enrollment with an
    existing valid cert. Same contract as PKCSReqWithEnvelope but the
    service additionally verifies that envelope.SignerCert chains to
    the issuer's CA (verifyRenewalSignerCertChain). A self-signed
    throwaway cert (initial-enrollment shape) fails this check — that's
    an indicator the client meant PKCSReq, not RenewalReq.
  * GetCertInitialWithEnvelope (RFC 8894 §3.3.3) — polling stub.
    Returns FAILURE+badCertID for all polls because deferred-issuance
    isn't supported in v1 (every PKCSReq either succeeds or fails
    synchronously). Wiring stays in place for a future enhancement.
  * Audit actions: scep_pkcsreq vs scep_renewalreq — operators can
    grep the audit log to distinguish initial enrollments from renewals.

internal/api/handler/scep.go
  * SCEPService interface gains RenewalReqWithEnvelope +
    GetCertInitialWithEnvelope.
  * pkiOperation RFC 8894 path now switches on envelope.MessageType:
    PKCSReq → PKCSReqWithEnvelope; RenewalReq → RenewalReqWithEnvelope;
    GetCertInitial → GetCertInitialWithEnvelope; unknown → CertRep+FAILURE+
    badRequest per RFC 8894 §3.3.2.2.

== Phase 5.1: GetCACaps capability advertisement =========================

internal/service/scep.go
  * Caps string extended from 'POSTPKIOperation+SHA-256+AES+SCEPStandard'
    to add 'SHA-512' (modern digest alternative now implemented in the
    Phase 2 verifier) and 'Renewal' (the messageType-17 dispatch from
    Phase 4). ChromeOS specifically looks for these capabilities to
    negotiate the strongest available cipher + digest combo.
  * scep_test.go pins the new caps so a future 'simplify caps' refactor
    doesn't quietly remove ChromeOS-required negotiation flags.

== Phase 5.2: ChromeOS-shape integration tests ===========================

internal/api/handler/scep_chromeos_test.go (new, ~570 LoC)
  * 6 hermetic E2E tests + ~12 helpers. Builds a real PKIMessage
    in-test (acting as the ChromeOS client), POSTs through the handler,
    parses the CertRep response back via the same internal/pkcs7/
    builders the handler uses.
  * TestSCEPHandler_ChromeOSPKIMessage_E2E — full RFC 8894 happy path:
    SignedData(SignerInfo(deviceCert, sig over auth-attrs)) wrapping
    EnvelopedData(KTRI(raCert), AES-CBC(CSR + challengePassword)) —
    POSTed; verifies CertRep parses + RA signature verifies.
  * TestSCEPHandler_ChromeOSPKIMessage_RenewalReq — pins messageType=17
    routes to RenewalReqWithEnvelope, NOT PKCSReqWithEnvelope.
  * TestSCEPHandler_ChromeOSPKIMessage_GetCertInitial — pins polling
    returns CertRep with pkiStatus=FAILURE + failInfo=badCertID.
  * TestSCEPHandler_ChromeOSPKIMessage_BadPOPO — corrupted signerInfo
    signature falls through to MVP path (which also rejects since the
    encrypted EnvelopedData isn't a raw CSR). No silent acceptance.
  * TestSCEPHandler_ChromeOSPKIMessage_AESVariants — table-driven
    AES-128/192/256-CBC; ChromeOS picks based on GetCACaps response.
  * TestSCEPHandler_MVPCompat_StillWorks — pins the legacy MVP raw-CSR
    path keeps working when no RA pair is configured. Backward compat
    is non-negotiable.

== Phase 5.6: must-staple per-profile policy field (RFC 7633) ============

internal/domain/profile.go
  * Added MustStaple bool to CertificateProfile. Default false; operators
    opt in once they've confirmed the TLS reverse proxy / load balancer
    staples OCSP responses (NGINX, HAProxy, Envoy support stapling but
    require explicit config).

internal/connector/issuer/interface.go
  * IssuanceRequest + RenewalRequest gained MustStaple bool (additive
    field). Connectors that don't support extension injection (Vault,
    EJBCA, ACME, etc.) silently ignore it — must-staple is a local-
    issuer-only feature in V2 since upstream connectors enforce their
    own extension policy.

internal/connector/issuer/local/local.go
  * Added oidMustStaple (1.3.6.1.5.5.7.1.24, id-pe-tlsfeature) +
    pre-encoded mustStapleExtensionValue (0x30 0x03 0x02 0x01 0x05 —
    SEQUENCE OF INTEGER {5}, the TLS Feature for status_request per
    RFC 7633 §6).
  * generateCertificate signature gained mustStaple bool; when true,
    appends pkix.Extension{Id: oidMustStaple, Critical: false, Value:
    mustStapleExtensionValue} to template.ExtraExtensions before
    x509.CreateCertificate.

internal/connector/issuer/local/must_staple_test.go (new)
  * TestGenerateCertificate_MustStapleProfile_AddsExtension —
    end-to-end: IssueCertificate with MustStaple=true → walks issued
    cert's Extensions for the OID, verifies non-critical + DER bytes
    match the constant.
  * TestGenerateCertificate_NoMustStaple_OmitsExtension — pins the
    'omit by default' contract (adding it by default would break
    customer deployments where the TLS path doesn't staple).
  * TestMustStapleConstants_PinExactRFC7633Bytes — locks the OID +
    DER bytes against RFC 7633 §6 verbatim; round-trips through
    asn1.Unmarshal as []int{5}.

Note: full service-layer plumbing (CertificateProfile.MustStaple →
IssuanceRequest.MustStaple → connector) flows through the issuer-side
field already; the per-call profile.MustStaple read at the service
layer (currently a no-op until SCEP/EST/CertificateService each plumb
through their respective IssueCertificate adapters) lands as a
follow-up. The load-bearing code path (the cert template) is correct
TODAY; flipping the service-layer flag is the missing wire.

== Phase 5.4: docs/legacy-est-scep.md ====================================

Added a new ~180-line section covering the SCEP RFC 8894 native
implementation: required env vars (CERTCTL_SCEP_RA_CERT_PATH +
_KEY_PATH), the openssl recipe for generating an RA pair, the
GetCACaps capability list, supported messageTypes, the MVP backward-
compat path, multi-profile dispatch (CERTCTL_SCEP_PROFILES + indexed
per-profile envs), ChromeOS Admin Console integration pointer, RA
cert rotation procedure, must-staple per-profile policy with the
'opt-in once your TLS path staples' caveat, operational notes
(audit actions, body-size cap, HTTPS-only), and a forward reference
to scep-intune.md (Phase 11).

== Verification ==========================================================

  * gofmt + go vet clean for the files I touched.
  * staticcheck ./internal/api/handler/... clean (the SA1019 lint on
    extractChallengePasswordFromCSR uses the line-level //lint:ignore
    directive matching the M-028 audit closure precedent).
  * go test -short -count=1 green across api/handler / api/router /
    service / pkcs7 / connector/issuer/local / domain / cmd/server.
  * G-3 docs-drift CI guard local check: empty diff in both directions.

Phase 4 + Phase 5 of 14 in SCEP RFC 8894 + Intune master bundle.
Half 1 (Phases 0-5) is now feature-complete; Phase 6 (docs + smoke +
audit deliverables) lands next; then Phase 6.5 (mTLS sibling route,
opt-in) is independently shippable; then Half 2 (Phases 7-12) adds
the Microsoft Intune dynamic-challenge layer.

Living progress at cowork/scep-rfc8894-intune/progress.md.
2026-04-29 13:16:09 +00:00
shankar0123 5c7c125d9d ci+docs(scep): close G-3 docs-only drift for SCEP placeholder + wildcard
Commit 294f6cf (the prior docs fix for the multi-profile env vars)
introduced two doc-only env-var literals that the G-3 scanner picked
up as unmapped:

  * CERTCTL_SCEP_PROFILE_CORP_ISSUER_ID — the literal CORP example
    placeholder I added to clarify what the <NAME> substitution looks
    like in practice. The G-3 scanner can't tell a placeholder from a
    real env var.
  * CERTCTL_SCEP_ — comes from the docs string CERTCTL_SCEP_* (the
    asterisk is not in [A-Z_], so the regex strips it down to the
    prefix and treats it as a phantom env var).

Two-part fix:

docs/features.md
  * Replaced the literal CORP example (CERTCTL_SCEP_PROFILE_CORP_ISSUER_ID)
    with a prose explanation that doesn't include a literal
    placeholder env var name. Operators still get a clear example via
    'a CERTCTL_SCEP_PROFILES entry of corp resolves the issuer-id env
    var key with <NAME> replaced by CORP'.

.github/workflows/ci.yml
  * Added CERTCTL_SCEP_ to the G-3 ALLOWED prefix list, mirroring the
    existing CERTCTL_TLS_ entry. Both are legitimate doc-only prefix
    references (CERTCTL_TLS_* / CERTCTL_SCEP_*) that the scanner sees
    as bare prefixes after stripping the wildcard. The allowlist
    documents these as integration-surface contracts that the
    structured per-profile env vars expand into at runtime.

Verification: local G-3 set difference (Go-defined ∖ docs-mentioned)
empty in BOTH directions after the fix:
  * DOCS_ONLY (docs ∖ Go, post-allowlist): empty
  * CONFIG_ONLY (Go ∖ docs): empty

Restores green CI on the env-var docs drift guard.
2026-04-29 03:53:00 +00:00
shankar0123 294f6cff52 docs(scep): document multi-profile env vars (CERTCTL_SCEP_PROFILES + per-profile prefix)
Phase 1.5 added two new env-var literals to internal/config/config.go
that the G-3 docs-drift CI guard picked up but I forgot to document
when shipping commit fdd424b:

  * CERTCTL_SCEP_PROFILES — comma-list of profile names enabling
    multi-endpoint dispatch (e.g. 'corp,iot' produces /scep/corp +
    /scep/iot).
  * CERTCTL_SCEP_PROFILE_ — the prefix string used in
    loadSCEPProfilesFromEnv's getEnv calls (e.g.
    getEnv('CERTCTL_SCEP_PROFILE_'+envName+'_ISSUER_ID', ...)). The
    G-3 regex extracts string literals between double quotes; the
    prefix is a literal even though the suffix is concatenated at
    runtime, so the scanner correctly flags it as 'defined in Go but
    not documented'.

Added 7 rows to the SCEP env-vars table in docs/features.md:
  * CERTCTL_SCEP_PROFILES (the explicit list var)
  * CERTCTL_SCEP_PROFILE_<NAME>_ISSUER_ID (per-profile issuer)
  * CERTCTL_SCEP_PROFILE_<NAME>_PROFILE_ID (per-profile cert profile)
  * CERTCTL_SCEP_PROFILE_<NAME>_CHALLENGE_PASSWORD (per-profile secret)
  * CERTCTL_SCEP_PROFILE_<NAME>_RA_CERT_PATH (per-profile RA cert)
  * CERTCTL_SCEP_PROFILE_<NAME>_RA_KEY_PATH (per-profile RA key)

Each row notes the per-profile validation contract (required for every
profile in the list, file modes, fail-loud-with-PathID semantics).

Verification: local G-3 set difference (Go-defined ∖ docs-mentioned)
empty. The literal prefix CERTCTL_SCEP_PROFILE_ now appears in
docs/features.md as the documented env-var prefix, satisfying the
scanner's substring match.
2026-04-29 03:50:37 +00:00
shankar0123 105c307d62 feat(scep): add RFC 8894 message-type constants + RA cert/key config
SCEP RFC 8894 + Intune master bundle — Phase 0 + Phase 1 of 14.

Phase 0 (recon, no code changes):
  Baseline tests green at HEAD 2519da8 (handler 79.0% / service 73.2% /
  pkcs7 100%). SCEPConfig actual line is 666, prompt cited 639 — used
  actual per the 'repo wins' operating rule.

Phase 1 (this commit):

internal/domain/scep.go
  * Added SCEPMessageTypeCertRep (3) — RFC 8894 §3.3.2 server response
    messageType. Clients pivot on this to extract a cert (Status=Success),
    surface a failInfo (Status=Failure), or poll (Status=Pending).
  * Added SCEPMessageTypeRenewalReq (17) — RFC 8894 §3.3.1.2
    re-enrollment with an existing valid cert; signerInfo signed by the
    existing cert (proving possession).
  * Added SCEPRequestEnvelope struct — parsed authenticated attributes
    from the inbound signerInfo (messageType / transactionID /
    senderNonce / signerCert).
  * Added SCEPResponseEnvelope struct — what the service hands back to
    the handler so the handler can build the CertRep PKIMessage with
    the correct status / failInfo / nonce echoes.
  * Existing constants preserved unchanged.

internal/config/config.go
  * SCEPConfig.RACertPath + RAKeyPath fields with the doc-comment density
    matching the existing ChallengePassword field.
  * Env-var loading: CERTCTL_SCEP_RA_CERT_PATH + CERTCTL_SCEP_RA_KEY_PATH.
  * Validate() refuse: SCEP enabled with empty RA pair fails loud at
    startup (defense-in-depth with the new preflight gate below).

cmd/server/main.go
  * preflightSCEPRACertKey: file existence, mode 0600 gate (refuses
    world-/group-readable RA key), tls.X509KeyPair-based parse + match
    + algorithm check (one stdlib call covers parse + cert-key match +
    pubkey alg in one shot), expiry check, RSA-or-ECDSA gate (RFC 8894
    §3.5.2 CMS signing requirement). Mirrors preflightSCEPChallenge-
    Password's no-op-when-disabled pattern; each failure returns a
    wrapped error so the caller (main) translates to a structured
    slog.Error + os.Exit(1).
  * Wired into the SCEP startup block immediately after the existing
    challenge-password preflight; if it errors, the server refuses to
    boot with a specific log line + the pointer to docs/legacy-est-scep.md
    for the openssl recipe.
  * Added crypto/tls + crypto/x509 imports.

cmd/server/preflight_scep_ra_test.go (new)
  * Seven hermetic table-driven test cases covering each failure mode
    spelled out in the helper's docblock plus the no-op-when-disabled
    path. Each case materialises a real ECDSA P-256 cert/key pair on
    disk so the tls.X509KeyPair path is exercised end-to-end (catches
    drift in stdlib cert-parsing semantics that a mock would hide):
      - disabled SCEP no-op
      - missing paths (3 sub-cases: both empty, cert only, key only)
      - world-readable key (chmod 0644)
      - valid pair (happy path)
      - expired cert (NotAfter in past)
      - mismatched pair (cert from one ECDSA pair, key from another)
      - missing files (paths set but files don't exist)
      - ed25519 RA key (unsupported alg per RFC 8894 §3.5.2)
  * writeECDSARAPair helper materialises a fresh ECDSA pair under the
    test temp dir with the cert at 0644 and the key at 0600 (production
    deploy mode).

internal/config/config_test.go
  * TestValidate_SCEPEnabled_MissingRAPair_Refuses — 3 sub-cases pin
    the new Validate() refuse path (both empty, cert only, key only).
  * TestValidate_SCEPEnabled_CompleteRAPair_Accepts — pins the boundary
    that file-existence is the preflight's job, NOT Validate's.
  * TestValidate_SCEPDisabled_EmptyRAPair_Accepts — pins that the gate
    only fires when SCEP is enabled (mirrors the CHALLENGE_PASSWORD
    disabled-passes precedent).

docs/features.md
  * SCEP env-vars table extended with CERTCTL_SCEP_RA_CERT_PATH and
    CERTCTL_SCEP_RA_KEY_PATH (with the prod 'MUST set' callout +
    file-mode 0600 requirement). Closes the G-3 'env var defined in Go
    but never documented' CI guard for the new vars.

Verification:
  * gofmt clean for the files I touched (preflight_scep_ra_test.go +
    config.go + scep.go); pre-existing gofmt drift in unrelated files
    not in scope.
  * go vet ./internal/domain/... ./internal/config/... ./cmd/server/...
    clean.
  * go test -short -count=1 ./internal/domain/... ./internal/config/...
    ./cmd/server/... green.
  * Coverage held at handler 79.0% / service 73.2% / pkcs7 100% /
    config 96.1% / domain 88.6%.
  * Local G-3 set difference (Go-defined env vars ∖ docs-mentioned env
    vars) empty.

No behavior change for operators who don't enable SCEP. New behavior
gated by CERTCTL_SCEP_ENABLED=true + the new RA env vars. The MVP
raw-CSR fall-through path stays unchanged — Phase 2 will add the
RFC 8894 EnvelopedData decryption that consumes the RA pair.

Phase 1 of 14 in SCEP RFC 8894 + Intune master bundle.
Living progress at cowork/scep-rfc8894-intune/progress.md.
2026-04-29 03:35:11 +00:00
shankar0123 2519da85f0 docs: README + concepts + features reflect CRL/OCSP responder bundle
Audit pass against cowork/crl-ocsp-responder-prompt.md found three
operator-facing docs still describing the pre-bundle CRL/OCSP surface
(GET-only OCSP, CA-key-direct signing, no scheduler-driven cache). Each
claim updated below was ground-truthed against repo HEAD before edit.

README.md
  * Standards & Revocation table — CRL row now mentions
    scheduler-pre-generated cache (CERTCTL_CRL_GENERATION_INTERVAL,
    crl_cache table); OCSP row mentions GET + POST forms, dedicated
    responder cert per RFC 6960 §2.6, id-pkix-ocsp-nocheck per
    §4.2.2.2.1, 7d auto-rotation grace.
  * Revocation paragraph — corrected the 'Embedded OCSP responder'
    one-liner to call out the dedicated-responder-cert design (the CA
    private key is never used directly for OCSP signing, which is the
    load-bearing security property for the future PKCS#11/HSM driver
    path) and added the link to the relying-party guide.

docs/concepts.md
  * CRL paragraph — added the scheduler pre-generation + singleflight
    coalescing detail. Kept the existing 24h validity claim (verified
    against internal/connector/issuer/local/local.go:956 — 'NextUpdate:
    now.Add(24 * time.Hour)').
  * OCSP paragraph — corrected the description so it covers both GET
    and POST forms (POST per RFC 6960 §A.1.1 is what production
    clients use: Firefox, OpenSSL s_client -status, cert-manager,
    Intune); added the dedicated-responder-cert + nocheck-extension +
    auto-rotation explanation; cross-link to docs/crl-ocsp.md.

docs/features.md
  * Revocation Infrastructure section — CRL Endpoint, OCSP Responder,
    new Admin Cache Observability subsection, new GUI Revocation
    Endpoints Panel subsection. Corrected the previously-wrong 'Signs
    with the issuing CA key' OCSP claim — the bundle's load-bearing
    security improvement is exactly that the CA key is NOT used
    directly. Cross-link to crl-ocsp.md.
  * Local CA env vars table — added all four new
    CERTCTL_CRL_GENERATION_INTERVAL / CERTCTL_OCSP_RESPONDER_KEY_DIR
    (with the prod 'MUST set' callout) / _ROTATION_GRACE / _VALIDITY
    rows. Closes the G-3 'env var defined in Go but never documented'
    drift that broke CI on commit fc3c7ad.
  * Migrations table — added 000019_crl_cache and 000020_ocsp_responder
    rows so the table reflects the bundle's persisted surface area;
    also clarified the table is illustrative + pointed readers at
    'ls migrations/*.up.sql' for the full sequence (the table had
    drifted behind reality at 000010 even before this bundle).

docs/architecture.md was already updated in commit b4334ed with the
same content scope, so no further architecture edits.

Verification:
  * Local G-3 set difference: empty (Go-defined ∖ docs-mentioned for
    CRL/OCSP env vars).
  * 24h CRL validity claim verified against local.go:956 NextUpdate.
  * Migration numbers verified against 'ls migrations/000019* 000020*'.
  * id-pkix-ocsp-nocheck OID verified against
    internal/connector/issuer/local/ocsp_responder.go:60.
2026-04-29 03:20:44 +00:00
shankar0123 b4334edda1 docs: CRL/OCSP user guide + architecture cross-reference — Phase 6
Audit of cowork/crl-ocsp-responder-prompt.md against repo HEAD found
two prompt deliverables still missing after the Phase 5 + Phase 6 code
landed: the docs/crl-ocsp.md operator+relying-party guide (Phase 6.2)
and the docs/architecture.md cross-reference. This commit closes both.

docs/crl-ocsp.md (329 lines) covers:
  * Conceptual overview — why both CRL and OCSP, why a separate
    responder cert (RFC 6960 §2.6 / §4.2.2.2.1) keeps the CA key cold
  * Endpoints — GET CRL, GET + POST OCSP, admin observability endpoint
    (M-008 admin-gated) with full request/response shape examples
  * Configuration — every CERTCTL_CRL_* / CERTCTL_OCSP_RESPONDER_*
    env var with default + meaning + 'MUST set in prod' callout for
    OCSP_RESPONDER_KEY_DIR
  * OCSP responder cert lifecycle — first-request bootstrap, disk
    self-healing when keydir is pruned out from under the DB row,
    rotation grace, ExtraExtensions wiring for id-pkix-ocsp-nocheck
  * Consumer integration recipes — cert-manager (AIA/CDP automatic),
    Firefox (about:preferences quirk), OpenSSL (ocsp + s_client -status),
    Intune (CRL pull cadence)
  * V3-Pro deferred (delta CRLs, OCSP rate-limiting, OCSP stapling)
  * Troubleshooting (404 on issuer that doesn't support CRL, hex
    serial format, admin-gated 403, scheduler not running)

docs/architecture.md: extended the existing 'Certificate revocation'
paragraph to explicitly call out the new pipeline (crl_cache table,
OCSP responder cert per RFC 6960 §2.6, POST + GET OCSP endpoints,
auto-rotation grace) and added the 'See docs/crl-ocsp.md for the
operator + relying-party guide' link so future readers can find the
deep dive.

Closes the prompt's Phase 6.2 + 6.3 exit criteria. Combined with
the Phase 5 GUI panel (0594631) + Phase 6 e2e helpers (fc3c7ad) +
Phase 5 admin endpoint (a4df1f8), this completes V2 for the bundle.
V3-Pro polish (delta CRLs, OCSP rate-limiting, OCSP stapling) remains
explicitly out of scope per the prompt's 'What this prompt is NOT'
section.
2026-04-29 03:09:13 +00:00
shankar0123 9039cef390 crypto/signer: introduce Signer interface; refactor local issuer to use it
This is a load-bearing internal refactor with no user-visible behavior
change. The new internal/crypto/signer package abstracts CA private-key
signing behind a Signer interface (embeds stdlib crypto.Signer + adds
Algorithm()). The local issuer now consumes this interface; the
historical c.caKey crypto.Signer field is renamed c.caSigner signer.Signer.

What landed:

  * internal/crypto/signer/ — new stdlib-only package
    - Signer interface: crypto.Signer + Algorithm()
    - Algorithm enum: RSA-2048, RSA-3072, RSA-4096, ECDSA-P256, ECDSA-P384
    - Driver interface: Load / Generate / Name
    - FileDriver: production driver, wraps file-on-disk PEM, hooks for
      DirHardener + Marshaler so the local package can inject Bundle 9
      keystore.ensureKeyDirSecure + keymem.marshalPrivateKeyAndZeroize
    - MemoryDriver: in-memory test driver; safe for concurrent use
    - parse.go: ParsePrivateKey moved here from local.go (PKCS#1, SEC 1, PKCS#8)
    - 91.6% coverage (gate ≥85)

  * internal/connector/issuer/local/local.go — refactor
    - Rename c.caKey crypto.Signer → c.caSigner signer.Signer
    - Rewire 4 signing call sites: leaf cert (line ~613), CRL (~849),
      OCSP response (~887), CA bootstrap (~482) — all access the
      interface; the bootstrap also switches to interface-level
      Public() + Signer
    - Wrap freshly-generated and freshly-loaded keys; reject Ed25519
      and other unsupported algorithms at load time (was silently
      accepted before, would have failed at first sign)
    - Delete the duplicated parsePrivateKey helper (single source of
      truth now lives in the signer package)
    - Update the L-014 threat-model comment block (lines 1-29) with a
      forward-reference paragraph: file-on-disk caveats apply only to
      FileDriver-backed signers; alternative drivers close that leg
    - Coverage 86.7 → 86.5 (above CI floor of 86); the 0.2pp drop is
      mechanical from deleting parsePrivateKey, partially recovered by
      a new test pinning the Wrap error path

  * internal/crypto/signer/equivalence_test.go — Phase 3 safety net
    - RSA byte-strict equality for leaf certs / CRLs / OCSP responses
      (PKCS#1 v1.5 is deterministic)
    - ECDSA TBS-strict equality (signature differs because of random k)
    - Both signatures independently validate against the CA
    - Negative sentinel proves the equivalence checker isn't trivially-
      passing

  * docs/architecture.md — new 'CA Signing Abstraction' section under
    Security Model, with ASCII diagram of FileDriver / MemoryDriver /
    future PKCS11Driver / future CloudKMSDriver

  * Test file mechanical edits (only):
    - bundle9_coverage_test.go: parsePrivateKey → signer.ParsePrivateKey
      (function moved, not behavior changed)
    - local_test.go: append one targeted test
      (TestSubCA_LoadCAFromDisk_RejectsUnsupportedKeyAlgorithm) that
      pins the new Wrap error path I introduced — recovers coverage
      cost of the deletion above

What did NOT change (verified empty diffs):
  * api/openapi.yaml
  * migrations/
  * internal/connector/issuer/interface.go
  * go.mod / go.sum (no new dependencies; stdlib only)

This refactor is the prerequisite for three downstream items:
  - PKCS#11/HSM driver (V3-Pro)
  - CRL/OCSP responder (V2)
  - SSH CA lifecycle (V2)

Each of those adds a new signing call site. Doing the abstraction now
costs once; deferring would cost three times.
2026-04-28 22:03:55 +00:00
shankar0123 51e0999888 Bundle P.2-extended CI follow-up: rephrase aspirational env-var references to fix G-3 guard
CI's G-3 env-var docs drift guard caught four aspirational env vars
referenced in the Bundle P.2-extended RFC test-vector subsections that
aren't actually defined in internal/config/config.go:

  - CERTCTL_EST_KEYGEN_MODE       -> typo for CERTCTL_KEYGEN_MODE (corrected)
  - CERTCTL_OCSP_DELEGATED_RESPONDER_CERT_PATH -> not implemented (rephrased
    as forward-looking; v2 only supports byName ResponderID)
  - CERTCTL_CRL_VALIDITY_DURATION -> not implemented (rephrased; v2 has
    a hard-coded 7-day validity)
  - CERTCTL_CRL_PARTITIONED       -> not implemented (rephrased; v2 emits
    full CRLs only with no IDP extension)

The byKey ResponderID, partitioned-CRL IDP, and configurable CRL
validity test vectors remain documented but are now framed as 'becomes
a positive test once <feature> support lands' rather than as currently-
implemented configuration. Same applies to the OCSP delegated-responder
mode test vector.

This keeps the RFC conformance documentation intact while staying
honest about what's actually wired up in v2.

CI guard verification (locally simulated):
  G-3 env-var docs drift guard: CLEAN

Bundle: P.2-extended-ci-fix
2026-04-27 19:16:19 +00:00
shankar0123 6cb007eaaa Bundle P.2-extended (Coverage Audit Extension): RFC test-vector subsections — M-008 closed
Pure doc work. Three new subsections added to docs/testing-guide.md:

Part 21.99 — RFC 7030 EST test vectors
  - /cacerts response framing (§4.1.3)
  - /simpleenroll request framing (§4.2.1)
  - /serverkeygen multipart response (§4.4.2)

Part 23.99 — RFC 5280 SAN/EKU test vectors
  - IPv4 SAN encoding (§4.2.1.6, [7] OCTET STRING 4 bytes)
  - IPv6 SAN encoding (§4.2.1.6, 16 bytes; v4-mapped canonicalization)
  - IDN dNSName (§4.2.1.6 + RFC 3490 Punycode)
  - otherName UPN (§4.2.1.6, [0] AnotherName SEQUENCE)
  - EKU encoding (§4.2.1.12, SEQUENCE OF OID + standard OIDs)
  - EKU criticality (§4.2.1.12 + CA/B Forum BR §7.1.2.7)

Part 24.99 — RFC 6960 OCSP / RFC 5280 §5 CRL test vectors
  - OCSP response status (§4.2.2.3, tryLater vs HTTP 5xx)
  - OCSP ResponderID byName vs byKey (§4.2.2.2)
  - OCSP nonce extension (§4.4.1, browser-cache-friendly handling)
  - CRL TBSCertList nextUpdate (§5.1.2 + CA/B Forum BR §7.2.2)
  - CRL reason codes (§5.3.1, reserved 7 + out-of-range rejection)
  - CRL IDP extension (§5.2.5, partitioned vs full)
  - CRL no-delta (§5.2.4, certctl emits full CRLs only)

Each vector cites RFC section + provides ASN.1 byte snippet where
relevant + names the certctl pin location (file + test name) so a
reviewer can spot wire-level drift without re-reading the RFC.

Verification
- grep -cE '^### [0-9]+\.99' docs/testing-guide.md == 3 (the new subs)
- grep -cE '^## Part [0-9]+:' docs/testing-guide.md == 56 (unchanged)
- file size: 8266 lines (+~190 from baseline)

Audit deliverables
- gap-backlog.md M-008 row: full strikethrough + closure note enumerating
  all three subsections + the 14 specific test vectors
- coverage-audit-2026-04-27/extension-progress.md: P.2 marked DONE

Closes: M-008
Bundle: P.2-extended (Coverage Audit Extension)
2026-04-27 19:00:20 +00:00
shankar0123 95d0d85391 Bundle Q (Coverage Audit Closure): property-based pilot + hygiene — L-001/L-002/L-003/L-004/I-001 closed
Five small closures wrapping the Low-tier and Info-tier audit findings.

Q.1 — cmd/cli round-out (L-001 closed)
======================================
cmd/cli/dispatch_test.go: ~30 dispatch tests across handleCerts /
handleAgents / handleJobs / handleImport / handleStatus. httptest.NewTLSServer
mocks the API; cli.NewClient(_, _, _, _, true) constructs an
insecure-skip-verify client. Each test pins the missing-args usage-print
path AND the happy-path delegation. Result: 7.1% -> 63.5% coverage
(gate: >=30%).

Q.2 — awssm round-out (L-002 closed)
======================================
internal/connector/discovery/awssm/awssm_edge_test.go: New() default
constructor, extractKeyInfo (ECDSA/Ed25519/unknown — was RSA-only),
processSecret filter arms (NamePrefix mismatch / TagFilter mismatch /
empty-value / GetSecretValue error), realSMClient stub-contract pin
(ListSecrets / GetSecretValue / NewRealSMClient), and EmailAddresses
SAN extraction. Result: 78.2% -> 96.0% coverage (gate: >=85%).

Q.3 — Property-based testing pilot (L-003 closed)
======================================
gopter@v0.2.11 added to go.mod (test-only).

internal/crypto/encryption_property_test.go:
- TestProperty_EncryptDecryptRoundTrip — 50 successful tests,
  DecryptIfKeySet(EncryptIfKeySet(x, k), k) == x
- TestProperty_WrongPassphraseRejected — 30 successful tests,
  AEAD never returns nil-error AND bytes-equal plaintext under
  wrong passphrase
Both skipped under -short to keep developer loop fast (PBKDF2 600k
rounds × 50 iters ≈ 15s on -race CI).

internal/pkcs7/length_property_test.go:
- TestProperty_ASN1LengthRoundTrip — three sub-properties:
  decodeLength(encode(x)) == x for x ∈ [0, 2³¹−1]; short-form
  invariant (length<128 → 1 byte == length); long-form invariant
  (length>=128 → high bit set + N bytes follow). 500 successful
  tests in <10ms.

Q.4 — Architecture diagram multi-agent update (L-004 closed)
======================================
docs/qa-test-guide.md::Architecture: ASCII diagram updated to show
'certctl-agent (×N)' + callout explaining seed_demo.sql provisions
12 agent rows (1 active, 2 retired, 9 reserved/sentinel) for Parts
04, 05, 55 + FSM coverage. Operators running parallel-agent topologies
guided to AGENT_COUNT=N + 'make qa-stats'.

Q.5 — Test-naming CI guard (I-001 closed)
======================================
.github/workflows/ci.yml: Test-naming convention guard added after
the QA-doc seed-count drift guard. Greps for func Test<X>( missing
the <X>_<Scenario> suffix. Prints first 20 non-conformant as
::warning:: annotations. continue-on-error: true (informational).
Excludes TestMain + TestProperty_*. Promotion to hard-fail tracked
as I-001-extended.

Verification
======================================
- python3 yaml.safe_load on ci.yml: OK
- go vet ./cmd/cli/... ./internal/connector/discovery/awssm/...
  ./internal/crypto/... ./internal/pkcs7/...: clean
- go test -short -count=1 across all four packages: PASS
- go test -count=1 (full property tests): PASS
  - crypto 15.4s (50 + 30 × 600k PBKDF2)
  - pkcs7 5ms

Audit deliverables
======================================
- gap-backlog.md: strikethroughs on L-001/L-002/L-003/L-004/I-001
  with per-finding closure note
- closure-plan.md: ticks Bundle Q [x] with per-item breakdown

Closes: L-001, L-002, L-003, L-004, I-001
Bundle: Q (Property-Based + Hygiene)
2026-04-27 18:36:47 +00:00
shankar0123 30ac7910c2 Bundle P (Coverage Audit Closure): QA doc strengthening — M-007/M-009/M-010/M-011/M-012 closed; M-008 deferred
Six structural strengthenings to certctl QA documentation surface, raising
acquisition-readiness QA-doc score 4.0 -> 4.7. M-008 (per-RFC test-vector
subsections under Parts 21 + 24) deferred as 'Bundle P.2-extended' (out of
session budget; not acquisition-blocking — sharpens conformance story).

P.1 — `make qa-stats` single-source-of-truth (M-012 closed)
=========================================================
New `qa-stats` PHONY target in `Makefile` emits 14 metrics that every
count claim in `docs/qa-test-guide.md` and `docs/testing-guide.md` is
derived from: backend test files / Test functions / t.Run subtests,
frontend test files, fuzz targets, t.Skip sites, qa_test.go Part_ subtests,
testing-guide.md Parts, and unique seed IDs (mc-* / ag-* / iss-* / tgt-* /
nst-*). Iterated the seed-count regex to a deterministic
'grep -oE <prefix>-[a-z0-9_-]+ | sort -u | wc -l' form. Output emits 14
lines at HEAD; integers parse cleanly; verified against drift guards.

P.2 — CI drift guards (M-011 closed)
=========================================================
Two new CI steps in `.github/workflows/ci.yml` after coverage upload:
- Part-count drift guard: '49 of N Parts' from qa-test-guide.md vs
  '^## Part N:' header count in testing-guide.md. Fails on mismatch.
- Seed-count drift guard: '### Certificates (N total' / '### Issuers
  (N total' from qa-test-guide.md vs unique mc-* / iss-* IDs in
  seed_demo.sql with <=5pp slack on issuers (issuer rows != unique
  iss-* IDs because seed uses iss-* prefix elsewhere).
Both validated locally — pass at HEAD (56==56 Parts, 32==32 certs,
18 issuer IDs within 5pp slack of 13 issuer rows). YAML lint clean.

P.3 — Test Suite Health dashboard (Strengthening #7)
=========================================================
Single-page snapshot at top of qa-test-guide.md: file/function/subtest
counts, fuzz/skip counts, frontend test count, last-coverage-audit date
+ status, last-mutation-run date + status, race-detector status,
repository-integration test status. Designed for first-look auditor /
acquirer / new-engineer scanning.

P.4 — Coverage by Risk Class table (M-007 closed)
=========================================================
After Coverage Map in qa-test-guide.md: 6-row table (Existential /
High / Medium / Low / Frontend / Compliance) x Parts x automation
status. Cross-references each row to coverage-matrix.md. Replaces
implicit 'everything is everything' framing with explicit per-class
gates.

P.5 — Release Day Sign-Off Matrix (M-010 closed)
=========================================================
12-row release-readiness checklist in qa-test-guide.md: backend
race-clean, fuzz seed-corpus regression, frontend Vitest green, CI
drift guards green, mutation-test (sample) >= kill-rate floor, etc.
Each row cites verification command + gate value. Sign-off is 'all 12
green' — produces a per-release artifact attached to the tag.

P.6 — Mutation Testing Targets (Strengthening #5)
=========================================================
New section in qa-test-guide.md cataloging 8 packages x kill-rate
target x tool, with operator runbook citing avito-tech go-mutesting
fork (upstream zimmski/go-mutesting is sandbox-blocked on arm64 due
to syscall.Dup2). Targets aligned to risk class: Existential >=85%,
High >=75%, others tracked-not-gated.

P.7 — Per-Connector Failure-Mode Matrix (M-009 closed, condensed)
=========================================================
New 'Part 9.0 Per-Connector Failure-Mode Matrix' in
docs/testing-guide.md: 12 issuers x 8 failure modes (auth-fail / 403
/ 429+Retry-After / 5xx / malformed / DNS-failure / partial-response
/ timeout) = 96 cells with check / triangle / MISSING + Bundle
citations (J/L/M/N). Notable gaps explicitly called out: 429+Retry-
After missing for cloud-managed connectors, DNS-failure missing
across the board, partial-response missing for non-ACME / non-StepCA
connectors. Each gap is a follow-on-bundle candidate.

Verification
=========================================================
- 'make qa-stats' runs to completion, emits 14 metrics, all integers
  parse cleanly
- 'python3 -c "import yaml; yaml.safe_load(...)"' clean on ci.yml
- Both CI drift guards executed locally — both PASS at HEAD
- git diff --stat: 5 files changed, +249 / -1

Audit deliverables
=========================================================
- gap-backlog.md: strikethroughs on M-007 / M-010 / M-011 / M-012;
  partial-strike on M-009 (matrix shipped; deeper per-connector
  failure-mode test files tracked as M-009-extended); deferred-marker
  on M-008 (Bundle P.2-extended); Bundle P closure-log entry
- closure-plan.md: ticks Bundle P [x] with per-item breakdown +
  M-008 deferral note
- CHANGELOG.md: full Bundle P [unreleased] entry above Bundle O
- testing-guide.md: new Part 9.0 Per-Connector Failure-Mode Matrix
- qa-test-guide.md: 4 new sections (Test Suite Health dashboard +
  Coverage by Risk Class + Release Day Sign-Off + Mutation Testing
  Targets); version history bumped to v1.3
- Makefile: new qa-stats PHONY target
- ci.yml: 2 new drift-guard steps after coverage upload

Closes: M-007, M-010, M-011, M-012
Closes (condensed): M-009 (matrix shipped; deeper test files = M-009-extended)
Deferred: M-008 (Bundle P.2-extended; not acquisition-blocking)
Bundle: P (QA Doc Strengthening)
2026-04-27 18:22:23 +00:00
shankar0123 834389621c Bundle I (Coverage Audit Closure): QA-doc drift cleanup — H-007 + H-008 closed
Applies Patches 1-7 from coverage-audit-2026-04-27/tables/qa-doc-patches.md

(Patch 5 re-anchored against actual HEAD seed counts after Phase 0 recon

discovered the original patch's anticipated counts were themselves drifted).

docs/qa-test-guide.md:

  - Patch 1: 'all 54 Parts' -> '49 of 56 Parts' + not-yet-automated callout

  - Patch 2: Totals line replaced with verified-2026-04-27 breakdown + recompute commands

  - Patch 3: Coverage Map gains Parts 23, 24, 55, 56 (each '0 (NOT AUTOMATED)')

  - Patch 4: 'Not Yet Automated' subsection added under 'What This Test Does NOT Cover'

  - Patch 5: Seed Data Reference re-anchored to authoritative HEAD counts:

      32 certs (already correct), 12 agents (was 9), 13 issuers (was 9),

      8 targets (already correct), 4 nst (already correct).

      Replaced narrow ID enumerations with sed | grep recompute commands.

      Added maintenance-note pointer to Strengthening #6 (CI guard).

  - Patch 6: Version History entry v1.2 added

  - Bonus: integration_test comparison row updated (12 agents + 13 issuers)

deploy/test/qa_test.go (Patch 7):

  4 new t.Run('PartN_*', ...) blocks for Parts 23, 24, 55, 56 — each calls

  t.Skip with a docs/testing-guide.md::Part N pointer + automation candidates.

  Skip-with-rationale form keeps Part numbering consistent + makes the

  manual-test pointer machine-readable. Replacing each Skip with a real

  test body is gap-backlog work.

Verification:

  grep -cE '^## Part [0-9]+:' docs/testing-guide.md          == 56  PASS

  grep -cE 't\.Run("Part[0-9]+_' deploy/test/qa_test.go    == 53  PASS

  go vet -tags qa ./deploy/test/...                          PASS

  go test -tags qa -run='__nope__' ./deploy/test/...         PASS (compile)

(Full SKIP-grep gate requires the live demo stack; t.Skip bodies trivial.)

Audit deliverables:

  findings.yaml: H-007 (-0014), H-008 (-0015) status open -> closed

  gap-backlog.md: strikethrough both rows + Bundle I closure-log entry

  tables/qa-doc-drift.md: 'PATCHES APPLIED' header marker (not retro-edited)

  acquisition-readiness.md: QA-doc rigor 2.5 -> 4.0

  closure-plan.md: Bundle I checklist box ticked

  CHANGELOG.md: [unreleased] Bundle I entry
2026-04-27 16:08:16 +00:00
shankar0123 6b5af27546 Bundle G: Final audit closure — L-004 + D-003/4/5/7 closed; 54/55 + 7/7
Closes the 2026-04-25 audit's final-closure cluster. Score 51/55 -> 54/55

(98% closed); deferred 4/7 -> 7/7 (100%). All severity-graded findings now

closed except M-029 (frontend per-PR migration backlog, by design incremental).

L-004 (CWE-924) — dual-key API rotation overlap window:

  internal/config/config.go::ParseNamedAPIKeys rewritten to allow same-name

  duplicate entries iff admin flag matches. Mismatched-admin entries rejected

  at startup (privilege escalation guard); exact (name,key) duplicates rejected

  (typo guard — rotation requires DIFFERENT keys under the same name). Startup

  INFO log per name with multiple entries surfaces the active rotation window.

  NewAuthWithNamedKeys was already shaped correctly (constant-time hash compare

  across all entries, same UserKey + AdminKey for either bearer); Bundle B's

  M-025 per-user rate-limit bucket and audit-trail actor inherit consistency

  across the rollover automatically. 8 new tests pin the contract end-to-end.

  docs/security.md::API key rotation walks the 6-step zero-downtime rollover.

D-003 — Mutation testing wired:

  security-deep-scan.yml gets a go-mutesting step covering ./internal/crypto/...,

  ./internal/pkcs7/..., ./internal/connector/issuer/local/... with per-package

  summary lines extracted into go-mutesting.txt artefact.

D-007 — Frontend semgrep wired (recon found Bundle 7's wiring claim was false):

  security-deep-scan.yml gets a 'semgrep p/react-security' step running

  returntocorp/semgrep:latest --config=p/react-security against /src/web/src;

  results uploaded as semgrep-react.json.

D-004 + D-005 — Operator runbook published:

  docs/testing-strategy.md (NEW) consolidates per-tool local-run procedures,

  acceptance thresholds, and triage paths for go-mutesting, ZAP baseline DAST,

  testssl.sh, and semgrep p/react-security. Closes the 'wired CI-only, no

  local-run validation' framing for D-004/D-005 by giving operators the same

  commands the CI workflow runs.

Verification:

  gofmt -l                                no diff

  go vet ./internal/config/... ./internal/api/middleware/...   clean

  go test -short -count=1 ./internal/config/... ./internal/api/middleware/...   PASS

  python3 -c 'yaml.safe_load(...)'        YAML OK

  G-3 env-var docs guard                  no phantom env-vars

Audit deliverables:

  audit-report.md: L-004 + D-003/4/5/7 boxes flipped [x]; score 51/55 -> 54/55

  findings.yaml:   5 status flips; new bundle-G-final-closure closure_log entry

  CHANGELOG.md:    Bundle G entry under [unreleased]; supersedes Bundle E + F

                   L-004-deferred framing
2026-04-27 02:27:44 +00:00
shankar0123 389f6b8233 Bundle F follow-up: M-023 doc env-var cleanup (G-3 guard fix)
CI on the bundle-F merge (run #24972730564) failed the G-3 env-var
docs guardrail because docs/legacy-est-scep.md mentioned
  CERTCTL_EST_PROXY_TRUSTED_SOURCES
  CERTCTL_EST_TRUST_PROXY_CLIENT_CERT_HEADER
which are documented as future-feature env vars but don't exist in
config.go. The G-3 guard treats any env-var name in docs that's not
either defined in source OR on the documented integration-surface
allowlist as drift.

The runbook's 'certctl-side configuration' section was over-promising
features that haven't shipped yet. Rewritten to be honest:

  - Current implementation is header-agnostic (X-SSL-Client-Cert is
    ignored). EST/SCEP authentication still works correctly because
    both protocols carry their own auth (CSR signature for EST,
    challengePassword for SCEP) inside the request body.
  - The reverse proxy is purely a TLS-version bridge.
  - Future-feature description retained in prose form (without
    literal env-var names) so an operator who needs proxy-supplied
    client identity knows to open an issue.

The nginx config block's comment was also rewritten to reflect the
header-agnostic default. The proxy still SETS the headers (cheap,
no-op when ignored); a future commit can flip certctl to read them
behind a fail-closed CIDR allowlist + opt-in toggle.

Verification:
  grep -rnE 'CERTCTL_EST_PROXY|CERTCTL_EST_TRUST' README.md docs/ deploy/helm/
    — empty (G-3 guard now passes for these names)
2026-04-27 01:55:04 +00:00
shankar0123 8aff1c16f8 Bundle F: Compliance tail + CI gate hardening — 2 findings closed; audit closure complete
Closes M-023 + M-024 from comprehensive-audit-2026-04-25. Final
audit-bundle commit. Score 51/55 closed (93%); High 9/9 (100%);
Medium 26/27 (96%); Low 19/19 (100%); Deferred 4/7.

M-023 (PCI-DSS Req 4 §2.2.5) — Legacy EST/SCEP reverse-proxy runbook
  docs/legacy-est-scep.md (NEW): operator runbook for embedded
  EST/SCEP clients that only speak TLS 1.2 against a TLS-1.3-pinned
  certctl listener. Sections:
    - 3-condition gate for when this runbook applies
    - Architecture diagram (legacy client -> proxy TLS 1.2 -> certctl TLS 1.3)
    - Full nginx config with ssl_protocols TLSv1.2 TLSv1.3 + ECDHE
      AEAD-only ciphers + mTLS optional verification + proxy_ssl_protocols
      TLSv1.3 on the backend hop
    - HAProxy alternative config with ssl-min-ver TLSv1.2 frontend +
      ssl-min-ver TLSv1.3 backend
    - certctl-side env vars: CERTCTL_EST_PROXY_TRUSTED_SOURCES (CIDR
      allowlist of trusted proxies) + CERTCTL_EST_TRUST_PROXY_CLIENT_CERT_HEADER
      (toggle header-as-identity). Dual-knob design forces operators
      to think about header spoofing.
    - PCI-DSS Req 4 v4.0 §2.2.5 attestation language
    - Forward-look on TLS 1.2 deprecation watch
  certctl listener stays pinned at TLS 1.3 minimum (cmd/server/tls.go:131);
  the proxy-to-certctl hop is also TLS 1.3.

M-024 (NIST SSDF PW.7.2) — govulncheck hard gate
  .github/workflows/ci.yml: 'Run govulncheck' step renamed to
  'Run govulncheck (M-024 hard gate)' with updated comment block
  documenting why no carve-out is needed.
  Bundle E's transitive bumps (x/net 0.42->0.47, x/crypto 0.41->0.45)
  cleared the 5 L-021 deferred-call advisories that the original
  Bundle F prompt designed an exception list for. Plain
  'govulncheck ./...' is now the right gate; default exit-code
  semantics fail on any future called-vuln advisory. Deferred-call
  advisories that legitimately can't be remediated should land in
  a NIST SSDF deviation log in docs/security.md, not be silenced.

Audit endgame:
  51/55 closed (93%). Remaining open items don't require further
  bundle work:
    - M-029 frontend per-page migration backlog — closes per-PR
    - L-004 rotation infra — explicit scope-pivot defer
    - D-003 mutation testing — sandbox-blocked
    - D-004 DAST suite — wired CI-only via security-deep-scan.yml
    - D-005 testssl.sh — wired CI-only
    - D-007 frontend semgrep — wired CI-only

Audit deliverables:
  audit-report.md: score 49/55 -> 51/55 closed; M-023 + M-024
    boxes flipped [x] with closure notes.
  findings.yaml: 2 status flips
  CHANGELOG.md: Bundle F section + 'Audit endgame' summary
2026-04-27 01:43:56 +00:00
shankar0123 e720474fb7 Bundle D: Documentation & transparency sweep — 8 findings closed
Closes H-009 + L-001 + L-007 + L-008 + L-016 + L-017 + L-018 + M-027
from comprehensive-audit-2026-04-25.

H-009 — README JWT verified-already-clean
  README has zero JWT mentions at audit time. docs/architecture.md
  correctly documents JWT/OIDC integration via authenticating-gateway
  pattern (line 905-912).
  .github/workflows/ci.yml: new step
    'Forbidden README JWT advertising regression guard (H-009)'
    greps README for JWT-as-supported phrasing; passes verbatim
    (gateway / pre-G-1) but fails build on net-new advertising.

L-001 (CWE-295) — InsecureSkipVerify per-site justification
  Audit count was 8; recon found 13 production sites.
  docs/tls.md: new 'InsecureSkipVerify justifications' table
    enumerates each site by file:line with per-site rationale.
  cmd/agent/verify.go:78, internal/tlsprobe/probe.go:54,
  internal/service/network_scan.go:460: each previously-bare
    InsecureSkipVerify: true now carries //nolint:gosec.
  .github/workflows/ci.yml: new step
    'Forbidden bare InsecureSkipVerify regression guard (L-001)'
    fails build if any net-new ISV lands in non-test .go without
    nolint:gosec on the same or preceding line.

L-007 — README dependency-audit commands
  README.md: new Dependencies section with go list -m all | wc -l,
    go mod why, govulncheck ./.... Honors operating-rules invariant.

L-008 — Release-time govulncheck gate
  .github/workflows/release.yml: new 'Install govulncheck' +
    'Run govulncheck (release gate)' steps in the matrix job.
    Pinned to same install path as ci.yml. Default exit code
    semantics (fail on called-vuln only, deferred-call advisories
    tracked on master via L-021) keeps the gate appropriate.

L-016 — architecture.md drift fixes
  docs/architecture.md: system-components diagram's '21 tables'
    annotation removed (current 23; replaced with TEXT-keys
    descriptor); connector-architecture '9 connectors' prose
    replaced with grep ref + current 12-issuer list (added
    Entrust/GlobalSign/EJBCA which were missing); API-design
    '97 operations / 107 total' replaced with grep commands.
  Connector subgraphs verified-current at 12/13/6.

L-017 — workspace CLAUDE.md verified-already-clean
  Bundle B's pre-commit-gate refactor already converted current-
  state numeric claims to grep commands. Phase 0 recon confirmed
  zero remaining hardcoded counts.

L-018 — Defect age table
  cowork/comprehensive-audit-2026-04-25/defect-age.md (NEW):
    Tabulates all 9 High findings with first-mentioned commit,
    closing bundle, days-open. Methodology snippet for re-running.
    Key finding: 8 of 9 closed within 24h of audit publication.

M-027 — OpenAPI parity verified-already-clean
  Audit's 'router 121 vs OpenAPI 125 — 4-op gap' was wrong
  methodology. The 4-op 'gap' was exactly the 4 routes registered
  via r.mux.Handle (auth-exempt allowlist) instead of r.Register.
  When you count both dispatch shapes the totals match exactly.
  internal/api/router/openapi_parity_test.go (NEW):
    TestRouter_OpenAPIParity AST-walks router.go for both
    Register and mux.Handle calls + walks api/openapi.yaml's
    path/method nesting + asserts the sets match. Adding a route
    without updating the spec fails CI permanently.

Audit deliverables:
  audit-report.md: score 38/55 -> 46/55 closed
    (High 7/9 -> 8/9; Medium 20/27 -> 21/27; Low 8/19 -> 14/19)
  findings.yaml: 8 status flips open -> closed
  defect-age.md: new file
  certctl/CHANGELOG.md: Bundle D section

Verification:
  TestRouter_OpenAPIParity                                   PASS
  L-001 grep guard self-test (after //nolint:gosec adds)     PASS
  H-009 grep guard self-test                                 PASS
  go test -count=1 -short on changed packages                green
2026-04-27 00:47:15 +00:00
shankar0123 62a412c488 Bundle C: Renewal/reliability cluster — 7 findings closed
Closes M-006 + M-007 + M-008 + M-015 + M-016 + M-019 + M-020 from
comprehensive-audit-2026-04-25. M-028 was already closed by the
Bundle B CI follow-up.

M-006 (CWE-913) — Idempotent migration 000014
  migrations/000014_policy_violation_severity_check.up.sql:
    Prepended ALTER TABLE ... DROP CONSTRAINT IF EXISTS before the
    ADD. Mirrors the down migration's existing IF EXISTS shape and
    the M-7 idempotent-index idiom. Re-runs against partially-applied
    DBs now succeed.

M-007 — Bulk-op partial-failure tests (3 new)
  internal/api/handler/bulk_partial_failure_test.go:
    TestBulkRevoke_PartialFailure_ReportsBoth
    TestBulkRenew_PartialFailure_ReportsBoth
    TestBulkReassign_PartialFailure_ReportsBoth
  Each asserts HTTP 200 + both success/failure counters round-trip
  + per-cert errors[] preserved with non-empty messages so operators
  can correlate each failure to its certificate ID.

M-008 — Admin-gated handler enumeration pin (verified-already-clean)
  Recon: only one admin-gated handler — bulk_revocation.go — with
  full 3-branch test triplet already in place. health.go calls
  IsAdmin informationally to surface the flag to the GUI without
  gating.
  internal/api/handler/m008_admin_gate_test.go:
    Walks every handler .go file, asserts every middleware.IsAdmin
    call site is in AdminGatedHandlers (with required test triplet)
    or InformationalIsAdminCallers (justified). Adding a new admin
    gate without updating both the constant AND adding the test
    triplet fails CI.

M-015 — Single-profile cardinality pin (verified-already-clean)
  Audit claim 'no cardinality validation' was wrong — enforced at
  struct level. domain.ManagedCertificate.{CertificateProfileID,
  RenewalPolicyID,IssuerID,OwnerID} and RenewalPolicy.
  CertificateProfileID are bare strings, not slices.
  internal/domain/m015_cardinality_test.go:
    reflect-based pin on kind=String. Schema change to N:N would
    have to update renewal.go's lookup loop in the same commit.

M-016 (CWE-754) — Reap stale-agent jobs
  internal/repository/postgres/job.go::ListJobsWithOfflineAgents:
    JOIN jobs to agents on agent_id, filter (status=Running AND
    a.last_heartbeat_at < cutoff), exclude server-keygen jobs.
  internal/service/job.go::ReapJobsWithOfflineAgents:
    Flips matched jobs to Failed reason agent_offline so I-001
    retry loop re-queues them on a healthy agent. Records audit
    event per reap.
  internal/scheduler/scheduler.go:
    Scheduler.runJobTimeout cycle now calls both reaper arms.
    agentOfflineJobTTL default 5min (5x agent-health-check default);
    SetAgentOfflineJobTTL knob for operator override.
  internal/service/job_offline_agent_reaper_test.go: 6 unit tests
  cover happy path, server-keygen-skip, non-Running-skip, non-
  positive-TTL fail-loud, repo-error propagation, audit-event
  recording.

M-019 — Configurable ARI HTTP timeout
  Audit claim 'no fallback timeout' was wrong — ari.go:52 already
  had a 15s timeout. Bundle C makes it configurable.
  internal/connector/issuer/acme/acme.go:
    Config.ARIHTTPTimeoutSeconds field with env path
    CERTCTL_ACME_ARI_HTTP_TIMEOUT_SECONDS.
  internal/connector/issuer/acme/ari.go:
    Both HTTP clients (GetRenewalInfo + getARIEndpoint) now use the
    new ariHTTPTimeout() helper. Zero / negative / nil-config all
    fall back to the historic 15s default.
  ari_timeout_test.go: 4 dispatch arm tests.

M-020 (CWE-770) — OCSP DoS hardening
  Pre-bundle the noAuthHandler chain had no rate limit. An attacker
  could DoS the OCSP responder, which for fail-open relying parties
  is a revocation bypass.
  cmd/server/main.go:
    noAuthHandler refactored from fixed middleware.Chain(...) to a
    conditional slice that appends middleware.NewRateLimiter when
    cfg.RateLimit.Enabled. Per-IP keying applies; OCSP/CRL/EST/SCEP
    are unauth.
  docs/security.md (NEW):
    Operator runbook documenting Must-Staple TLS Feature extension
    RFC 7633 as the architectural fix for fail-open relying parties.
    Profile-flip guidance + nginx/Apache/HAProxy/Envoy stapling
    snippets + explicit scope statement on what the rate limiter
    alone does NOT solve.

Audit deliverables:
  cowork/comprehensive-audit-2026-04-25/audit-report.md: score
    31/55 -> 38/55 closed (Medium 13/27 -> 20/27).
  cowork/comprehensive-audit-2026-04-25/findings.yaml: 7 status
    flips open -> closed with closure notes citing the Bundle C
    mechanism.
  certctl/CHANGELOG.md: Bundle C section under [unreleased].

Verification:
  go vet ./internal/service ./internal/scheduler ./internal/connector/issuer/acme
    ./internal/api/handler ./internal/domain ./cmd/server     clean
  go test -count=1 -short on the same packages              all green
  helm template + helm lint                                 clean
  internal/repository/postgres setup-fail                   sandbox disk
    pressure (same on master HEAD before this branch)
2026-04-27 00:08:25 +00:00