secrets-engine/workplans/SECRETS-WP-0009-glas-claude-native-delivery.md
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docs: answer the GLAS-WP-0015 tenant question and record the DNS hazard
Probing the handed-over Service DNS name from the workstation found that
every *.svc.cluster.local name resolves here to one unrelated public
address via the ad.binect.de search suffix -- including names of services
that do not exist, which proves it is suffix expansion and not a record.

Pointing SECRETS_ENGINE_PDP_URL at the Service name would send the
CheckRequest body (subject, tenant, lane ids, stage, field names, purpose)
and the static Bearer token to that host. Decision envelopes are
structurally validated but not signed, so a responder knowing the package
and version can return a well-formed allow; the fail-closed posture
assumes the PDP is the PDP.

Not mitigated here: choosing the transport control is the owners' call,
not this consumer's. Recommended to FLEX-WP-0021-T05 that the handover be
a trailing-dot FQDN or explicit address, with the response channel's
authentication stated. Our pin stays unset, so the hazard is theoretical.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01E4tNMAYcSQmZWUE4wqP4ij

Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 715726@bnt-lap001
Assistant-Session: 80a42b32-cba6-4b23-8be0-68819b1a6092
2026-09-06 22:34:20 +02:00

5.2 KiB

id type title domain repo status owner created updated state_hub_workstream_id
SECRETS-WP-0009 workplan Activate native Claude credential delivery for Glas infotech secrets-engine blocked codex 2026-09-05 2026-09-05 40ccc3b4-d046-5a58-8649-e7935f45c974

Demand: GLAS-WP-0012-T02 / SAND-WP-0015-T04, custody CCR-2026-0016. The user authorized continuing credential delivery after storing the key in Bao. This record tracks native read-lane adoption, not a new provider key or rotation.

Define the exact native read lane

id: SECRETS-WP-0009-T01
status: done
priority: high
state_hub_task_id: "4f1cf242-3aec-56a8-b958-5d53823875e0"

Added catalog glas-claude-agent-dev-anthropic; plan checks existing platform mount and proposes one data-only read policy/AppRole. Token TTL5m/max15m, single-use SecretID5m, token use budget8. See docs/glas-claude-delivery.md. No metadata, sibling, listing or write capability is proposed.

Support data-only delivery policies

id: SECRETS-WP-0009-T02
status: done
priority: high
state_hub_task_id: "fa4a3e87-0854-5e2b-af44-facd5b25f443"

Added boolean delivery_auth.metadata_read with compatible default true and explicit false for this lane. Validation refuses non-booleans; generated plan omits metadata permissions when disabled. Full owner suite passes. Sand-boxer synthetic exec-env transport proof passed; no real secret was read.

Activate the approved native lane and verify real owner delivery

id: SECRETS-WP-0009-T03
status: wait
priority: high
state_hub_task_id: "f8069c8a-ad6b-5d0b-9a36-c2326699437d"

Inbound 2026-09-06 (glas-harness GLAS-WP-0015 production dependency handoff). Ownership acknowledged. Answering their tenant question rather than assuming the values lined up found a blocking defect in this repo, so the handoff earned its keep before any activation work started.

  • Our CheckRequest carried no tenant at all. The deployed secrets-engine.catalog-lane.lifecycle v2 package reads request_tenant := object.get(input, "tenant", "") against known_tenant := "tenant:platform", so an absent tenant is a wrong_tenant denial rather than an ignored field. Every gated action this engine sent would have been denied, and the omission also produced a request_digest matching no correctly issued decision, because tenant is hashed material. Fixed in 80eafaf; REQUEST_TENANT is pinned against the vendored allow envelopes.
  • The package is v2, not the v1 glas reported. v1 had no tenant rule and failed open — a rotate under tenant:coulomb returned allow against the deployed package (decision:066e629bbf0c0924). flex-auth superseded rather than amended it, because a fail-open correction must be visible as a version change. Our accepted version moved to v2 and a test refuses a v1 decision.
  • Wrong-tenant denial evidence delivered, from flex-auth's real deny envelope rather than asserted: decision:7d56b7fc274ddfd6, matched_rule wrong_tenant, binding.tenant tenant:coulomb. Vendored with tests that we refuse it on effect first and that a deny legally carries no lifetime.
  • Tenant mapping NOT resolved, deliberately. service_auth.TENANT is tenant:coulomb, which is exactly the value the package denies. Either those are two layers sharing a namespace format or one constant is wrong. Choosing without an owner ruling is the fail-open shape GH-DEC-2026-008 rejected for action vocabularies. Both constants stay as they are, not unified behind one symbol. Recorded in docs/tenant-alignment.md for KEY-WP-0013-T02 / APPROVAL-WP-0002-T01.
  • Hazard found while probing the caller access path. Every *.svc.cluster.local name resolves on this workstation to one unrelated public address via the ad.binect.de search suffix, including names of services that do not exist. Pointing SECRETS_ENGINE_PDP_URL at the Service name would ship CheckRequest metadata and the Bearer token to that host, and decision envelopes are structurally validated but not signed, so a knowing responder could return a well-formed allow. Reported to flex-auth for FLEX-WP-0021-T05; not mitigated here because the transport control is the owners' call. The pin stays unset, so the hazard is theoretical today.

CCR-2026-0016 is explicitly treated as custody provenance, not a per-action authorization. No unsafe-demo switch and no human runtime token will be used to reach a prod lane. This task stays wait: activation is blocked on the owner access path, not on engine work or on approval shape.

Depends on SECRETS-WP-0007-T04 and SECRETS-WP-0008-T02/T06: canonical production authorization, successful consume and scoped service authority must exist. Current production exec refuses before OpenBao because durable access-engine decision records are not served. Do not bypass this with unsafe-demo or a human operator runtime token. Then apply the exact read policy/AppRole, prove positive and negative access, register delivery-ready evidence, bind owner exec with service authentication, and return verified pins/evidence to SAND-WP-0015 and GLAS-WP-0012. Provider scope/budget and expiry remain explicit acceptance inputs. Keep the catalog route inactive until real verification passes.