Commit Graph

2 Commits

Author SHA1 Message Date
cproudlock
7298d433eb 9999 machine-number prompt: split into user-context Prompt + SYSTEM-context Apply
OLD design: a single 'Check Machine Number' scheduled task ran as the
logged-in user (BUILTIN\Users, Limited) on AtLogOn. It both showed the
InputBox AND tried to update HKLM\SOFTWARE\WOW6432Node\GE Aircraft
Engines\DNC\General + C:\ProgramData\UDC\udc_settings.json. To make
those non-admin writes possible, 02-MachineNumberACLs.ps1 pre-granted
BUILTIN\Users SetValue + Modify on those targets during imaging.

Three problems with that:
  1. SECURITY: any logged-in user could overwrite the machine-identity
     reg key.
  2. FRAGILE: ACL grants raced with eDNC install timing on some bays
     (eDNC reg key didn't exist yet when 02-MachineNumberACLs ran;
     OpenSubKey returned null, ACL silently skipped, Check-MachineNumber
     later failed with PermissionDenied).
  3. SILENT-SUCCESS BUG: Update-MachineNumber's Set-ItemProperty calls
     lacked -ErrorAction Stop. PermissionDenied is a non-terminating
     error in PS5.1, so the try/catch never fired. The script set
     $out.EdncUpdated=$true anyway and the dialog reported success
     while the reg value stayed at 9999. WJF capture log on FGY07FZ3
     shows this exact pattern.

NEW design - two scheduled tasks split by responsibility:

  - "Prompt Machine Number" : AtLogOn trigger, BUILTIN\Users (Limited).
    Reads current values (read-only). If 9999, shows InputBox. Writes
    typed number to C:\Logs\SFLD\machine-number-request.txt. Triggers
    SYSTEM Apply via schtasks /run. Polls for result JSON (60s timeout).
    Shows result MessageBox with TopMost so it isn't hidden behind
    other windows.

  - "Apply Machine Number" : on-demand, SYSTEM (Highest). Reads the
    request file, calls Update-MachineNumber (full HKLM + ProgramData
    access from SYSTEM context). Pulls per-machine NTLARS .reg + UDC
    settings JSON + UDC live data from the SFLD share if site-config
    has share paths. Writes result JSON. Removes request file.
    Unregisters the Prompt task on full success (Prompt itself can't
    self-unregister - Limited users can't delete a SYSTEM-owned task).

  - Default task SDDL only allows Admins + SYSTEM to read/run a
    SYSTEM-owned task. Added BUILTIN\Users GR+GX ACE via COM
    SetSecurityDescriptor so the Limited Prompt task can schtasks /run
    Apply on demand. They can read + execute it; not modify or delete.

  - Update-MachineNumber.ps1 writes now have -ErrorAction Stop so
    PermissionDenied actually fires the catch block instead of being
    swallowed.

  - 02-MachineNumberACLs.ps1 gutted to a no-op (left in place for
    Stage-Dispatcher discovery; no longer grants the ACLs). Old bays'
    existing grants are harmless since SYSTEM ignores them.

  - Register-CheckMachineNumberTask.ps1 now installs both tasks AND
    unregisters the legacy 'Check Machine Number' task name on
    re-imaging. Run-ShopfloorSetup.ps1's $skipInBaseline list now
    includes Prompt-MachineNumber.ps1 + Apply-MachineNumber.ps1 so
    they aren't auto-run during the baseline pass (only via the
    scheduled tasks).

Smoke tested end-to-end on win11 VM with ShopFloor (Limited) logging in
interactively: AtLogOn trigger fired Prompt, dialog rendered, tech
typed 7777, schtasks /run succeeded (the SDDL fix lets Limited users
trigger SYSTEM tasks), Apply ran as SYSTEM, eDNC reg + machine-number.txt
both updated to 7777, result MessageBox shown, Prompt task auto-
unregistered by Apply's cleanup step. No ACL grants needed on any user.

Apply also re-tested with -ErrorAction Stop confirming non-terminating
PermissionDenied now properly throws into the catch + populates Errors[]
+ flips $out.EdncUpdated to false - so any future write failures will
report honestly instead of silently claiming success.
2026-05-24 17:08:59 -04:00
cproudlock
6dcf96e40a Phase 3+4 rename reorg: repo dir renames + startnet.cmd menu
Pairs with Phase 1+2 from earlier (alias maps in Install-FromManifest,
GE-Enforce, Get-PCProfile, verify-state). See project-shopfloor-rename-reorg
memory for the plan.

Phase 3 (repo + paths):
- git mv per-PC-type dirs to gea-shopfloor-* names:
    Standard      -> gea-shopfloor-collections
    CMM           -> gea-shopfloor-cmm
    Keyence       -> gea-shopfloor-keyence
    Genspect      -> gea-shopfloor-genspect
    WaxAndTrace   -> gea-shopfloor-waxtrace
    Display       -> gea-shopfloor-display
    Lab           -> gea-shopfloor-common (folded; Timeclock+Lab merge)
- New gea-shopfloor-nocollections/ (clone of collections sans UDC scripts).
- New gea-shopfloor-heattreat/ (placeholder, README only).
- Move Standard/ntlars-backups/ -> _ntlars-backups/ (per-MN, not per-type).
- Run-ShopfloorSetup.ps1: Resolve-PCTypeDir helper walks alias group when
  the on-disk dir for the current pcType is missing. Set-MachineNumber
  helper-copy gated on collections|nocollections|legacy Standard-Machine.
- Update-MachineNumber.ps1: pcProfiles lookups try gea-shopfloor-collections
  first, fall back to legacy Standard-Machine. PowerShell 5.1 compatible
  (no null-coalesce).

Phase 4 (startnet.cmd menu):
- Choice 3 "GEA Shopfloor" now drills into a 9-item sub-menu instead of
  going straight to enrollment. Sub-cats:
    1. Machine with Collections        -> gea-shopfloor-collections
    2. Machine without Collections     -> gea-shopfloor-nocollections
    3. Common (Timeclock, Lab)         -> gea-shopfloor-common
    4. Keyence                         -> gea-shopfloor-keyence
    5. CMM                             -> gea-shopfloor-cmm
    6. Genspect                        -> gea-shopfloor-genspect
    7. Heattreat                       -> gea-shopfloor-heattreat
    8. Wax and Trace                   -> gea-shopfloor-waxtrace
    9. Display                         -> gea-shopfloor-display
- Office menu (existing 6-option) follows for every sub-cat.
- Machine number prompt only for collections + nocollections.
- pc-subtype.txt + display-type.txt no longer written. PCTYPE is a
  single full string (gea-shopfloor-*); subtype-aware code paths fall
  back to empty and resolve via the alias map.
- CMM bootstrap stage gate switched from "%PCTYPE%"=="CMM" to
  "%PCTYPE%"=="gea-shopfloor-cmm".

Test harness:
- B-enforce/run.sh PCSUBTYPE default changed from "Machine" to "" so
  single-arg invocation matches the new single-string scheme. Two-arg
  legacy form ("Standard Machine") still works via aliasing.
- B-enforce/tamper.ps1 alias-aware Test-MatrixEntryMatches mirroring
  verify-state.ps1.

Smoke-tested on win11 VM as SYSTEM via qga: B-enforce harness 5-phase
cycle (stage / baseline / tamper / heal / idempotent) passes 10/10
with PCType=gea-shopfloor-collections AND with legacy "Standard Machine"
two-arg form.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-04 08:09:16 -04:00