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AXP-Resurection/specs/005-restricted-signature-spoofing/tasks.md
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sunfish-admin 12d2179c20 AXP Magisk resurrection track: Speckit 009 port AXP/LOS22 to LOS23. 
Ship Magisk like GOLDEN; KernelSU optional recycle only; parallel to sunfish-a16-rom standby.
2026-09-16 21:56:22 +00:00

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Tasks: Restricted native signature spoofing (first working stack)

Input: Design docs from /specs/005-restricted-signature-spoofing/
Prerequisites: 004 packaging on LAB (Phonesky present); GOLDEN oracle .local-artifacts/002-golden/20260915-spoofing-phonesky/; constitution spoofing rules

Organization: First working stack = packaging leftovers + spoofing + BeaconDB. Out of scope: 006 banking, 007 KSU/root.

Format: [ID] [P?] [Story] Description

  • [P]: Can run in parallel (different files, no incomplete deps)
  • [Story]: US1…US6 from spec.md

Path conventions

  • Meta repo: vendor/sunfish-a16/, docs/, specs/005-…/
  • Build host: /srv/rom/src/lineage/ (frameworks, Settings), /srv/rom/artifacts/005-…/

Phase 1: Setup

Purpose: Patch sources, dirs, delta notes

  • T001 Checkout / mirror EXTENDROM sigspoof sources on rom-dev01 under /srv/rom/references/extendrom/ (or sparse clone sfX-android/android_vendor_extendrom); record commit in docs/a15-a16-delta.md (2026-09-15: f129253c…; also found stock LuK1337 spoof in LOS tree)
  • T002 [P] Create /srv/rom/artifacts/005-spoofing/ and /srv/rom/logs/005-build/ (android-build writable)
  • T003 [P] Add docs/005-spoofing-runbook.md stub (EXTENDROM port steps, allow-list, LAB-only) in meta repo
  • T004 [P] Confirm working-tree packaging leftovers present: vendor/sunfish-a16/Android.mk has LOCAL_REPLACE_PREBUILT_APK_INSTALLED; vendor/sunfish-a16/permissions/privapp-permissions-com.android.vending.xml has FGS/exact-alarm + Play 52 entries — sync both to /srv/rom/src/lineage/vendor/sunfish-a16/

Phase 2: Foundational (blocks all stories)

Purpose: A16-portable spoofing patch set + product wiring; no bacon yet

⚠️ CRITICAL: No US validation flash until this phase completes

  • T005 Inventory EXTENDROM A15 patch list vs LOS 23.2 paths; write mapping table in docs/a15-a16-delta.md (frameworks/base, services, Settings, overlays)
  • T006 Apply / port EXTENDROM signature-spoofing patches to /srv/rom/src/lineage/frameworks/base/ so android.permission.FAKE_PACKAGE_SIGNATURE exists and meta-data fake-signature is honoured for both PackageInfo.signatures and PackageInfo.signingInfo (extended LuK1337 path via apply_005_sigspoof.py)
  • T007 Wire global gate settings secure allow_signature_fake in PackageManager path under /srv/rom/src/lineage/frameworks/base/services/ (silent deny when off)
  • T008 Restrict effective spoofing to allow-list packages/signers (com.google.android.gms official microG; com.android.vending project Phonesky digest 31:31:86:CB:7D:F2:D4:01:33:72:12:07:B7:29:73:E8:52:F6:1C:87:67:C3:21:E5:C7:50:39:01:1B:83:BD:56) — document mechanism in docs/005-spoofing-runbook.md
  • T009 [P] Update Phonesky privapp/default XMLs in vendor/sunfish-a16/permissions/ to include FAKE_PACKAGE_SIGNATURE and bind Phonesky entries to our cert SHA-256 digest (not AXP 00:5C:98:…); sync to host tree (FAKE_PACKAGE already in privapp; digest enforced in ComputerEngine)
  • T010 [P] Align GmsCore-related default-permissions / sysconfig intent from GOLDEN er_* files into vendor/sunfish-a16/ (power-save / app-link as needed) without inventing GmsCore priv-app

Checkpoint: Foundation ready — bacon is next (US6)

Phase 3: User Story 1 — Developer Options master switch (P1) 🎯 MVP slice

Goal: Toggle Allow signature spoofing in Developer Options
Independent test: UI present; settings get secure allow_signature_fake is 1 when ON; OFF disables effect

  • T011 [US1] Port EXTENDROM/AXP Settings Developer Options strings + preference for allow_signature_fake into /srv/rom/src/lineage/packages/apps/Settings/ (or overlay under vendor/sunfish-a16/) matching GOLDEN UX (signature_spoof_category / Allow signature spoofing)
  • T012 [US1] Verify default is OFF; toggling ON/OFF persists across reboot (device proof after US6 flash)

Checkpoint: US1 code landed in tree (validated on device in US6 flash)

Phase 4: User Story 4 — Restricted allow-list only (P1)

Goal: Non-authorized apps cannot effectively spoof
Independent test: Third-party test APK requesting FAKE_PACKAGE denied

  • T013 [US4] Add allow-list enforcement tests/notes in docs/005-spoofing-runbook.md (manual LAB procedure + expected deny)
  • T014 [US4] Confirm implementation from T008 rejects non-listed packages even with toggle ON (code review + LAB check after flash)

Checkpoint: Policy documented; enforcement in PMS path

Phase 5: User Story 2 — Self-Check correct signatures (P1)

Goal: microG Self-Check marks correct signature for GmsCore + Phonesky
Independent test: Self-Check screenshots after grants

  • T015 [US2] Ensure grant path works (permission UI / Self-Check tap) — no missing GrantFakeSignaturePermissionActivity / unknown permission
  • T016 [US2] Update docs/004-lab-selfcheck.md with spoofing steps and expected green signature rows (post-005)

Checkpoint: Self-Check contract ready; device proof in US6

Phase 6: User Story 3 — Play auth without API-console mismatch (P1)

Goal: Play sign-in without UNREGISTERED_ON_API_CONSOLE
Independent test: logcat during login

  • T017 [US3] Document auth verification commands in specs/005-restricted-signature-spoofing/quickstart.md (already drafted — tighten failure signatures)
  • T018 [US3] After flash (US6), capture logcat proving absence of UNREGISTERED_ON_API_CONSOLE for Phonesky; store under /srv/rom/artifacts/005-spoofing/

Checkpoint: Auth acceptance tied to US6 validation build

Phase 7: User Story 5 — Survives without root (P2)

Goal: Spoofing works with no Magisk/KSU
Independent test: build props / pm show no Magisk

  • T019 [US5] Confirm 005 product makefiles do not pull Magisk/KSU; note in docs/005-spoofing-runbook.md and gate handoff

Phase 8: User Story 6 — First working stack ship gate (P1)

Goal: One zip = REPLACE packaging + FGS privapp + spoofing; BeaconDB docs
Independent test: quickstart.md end-to-end on LAB

  • T020 [US6] mka bacon -j8 on rom-dev01; log /srv/rom/logs/005-build/bacon.log; verify intermediate Phonesky APK apksigner verify (v2/v3) under out/target/product/sunfish/ (SUCCESS 2026-09-15T14:27Z, 03:49:11; log bacon-20260915T103756Z.log; zip SHA256 1f08e00433e073e0b6525eb2539fe9011a291f34604a6917bf1836aecf03e383; Phonesky v2+v3 OK)
  • T021 [US6] Stage zip + imgs + SHA256 + VERSIONS + spoofing notes to /srv/rom/artifacts/005-spoofing/<date>/ and rsync to .local-artifacts/005-spoofing/ (host …/20260915-bacon/; laptop got SHA+triage+packaging-check; full zip remains on host)
  • T022 [US6] Flash LAB only (11231JEC207477); confirm pm path for gms/gsf/vending without remount (gms/gsf /system_ext/…; vending from zip then exact-alarm adb install -r → /data/app/… until next bacon)
  • T023 [US6] Enable spoofing toggle; grant FAKE_PACKAGE to gms + vending; Self-Check correct signature green (allow_signature_fake=1; user 0+10 grants; operator Self-Check pass)
  • T024 [US6] Play sign-in smoke; confirm no FGS VpaService crash loop; record update-still-blocked as acceptable (installs OK both profiles after exact-alarm; UNREGISTERED count=0)
  • T025 [P] [US6] Document BeaconDB location steps in docs/004-lab-selfcheck.md + quickstart.md (URL https://api.beacondb.net; no UnifiedNlp backends)
  • T026 [US6] Run full specs/005-restricted-signature-spoofing/quickstart.md checklist; tick SC-001…SC-008 (evidence /srv/rom/artifacts/005-spoofing/20260915-us6-validation/)

Checkpoint: First working stack accepted on LAB

Phase 9: Polish

  • T027 [P] Update docs/axp-pro-parity.md spoofing + microG/Phonesky rows
  • T028 [P] Finalize docs/a15-a16-delta.md with A15→A16 spoofing port notes
  • T029 Handoff: first stack done; next 006 banking rootless — no KSU until after 006
  • T030 Mark remaining 004 tasks superseded/closed where 005 US6 covered them (specs/004-microg-phonesky-integration/tasks.md notes)

Dependencies & Execution Order

Phase dependencies

  • Phase 1 → Phase 2 (foundational patches) → US1/US4 code → US2/US3/US5 docs → US6 build/flash validates everything
  • US6 is the integration gate; US1–US5 implementation lands before bacon when possible, device proof in US6

User story dependencies

Story Depends on
US1 toggle T005–T007 (+ T011 Settings)
US4 allow-list T008
US2 Self-Check T006–T009, US1 toggle
US3 Play auth US2 grants working
US5 no root Product wiring (Phase 2)
US6 ship All above + T004 packaging

Parallel opportunities

  • T002, T003, T004 after T001 started
  • T009, T010 while T006–T008 in progress (XML vs frameworks)
  • T025 docs parallel with T020 build
  • T027, T028 polish parallel

Parallel example: Foundational

T009 Update Phonesky privapp digest + FAKE_PACKAGE in vendor/sunfish-a16/permissions/
T010 Align GmsCore sysconfig/default-permissions stubs in vendor/sunfish-a16/
T006 Port frameworks FAKE_PACKAGE + signingInfo spoof in frameworks/base/

Implementation strategy

MVP

  1. Phase 1–2 (patches + XML)
  2. US1 Settings toggle
  3. US6 bacon + LAB flash proving toggle + Self-Check + Play auth

Incremental

After MVP flash: tighten allow-list evidence (US4), BeaconDB doc polish (T025), parity docs (T027–T029).

Suggested first implement slice

T001 → T004 → T005–T011 → T020–T026 (skip polish until green Self-Check).

Notes

  • Never flash GOLDEN; LAB serial only
  • No Magisk/KSU in this feature
  • Do not reintroduce UnifiedNlp backend APKs
  • Prefer EXTENDROM attributable patches; record conflicts in delta doc
  • User owns git commit/MR; agents only working tree / host build dirs
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