iceweasel-oai d117c2eb02 Expand MXC volume grants and resolve deny globs (#44289)
## Why

MXC volume-root grants are nonrecursive, and filesystem deny globs were rejected before launch.

## What changed

- Expand volume-root grants to include existing immediate children, preserving read-only carveouts and denies. Children created directly under a volume root after policy construction are not granted access.
- Normalize filesystem object aliases before and after expansion so generated grants preserve tighter access restrictions.
- Skip unavailable volumes and uninspectable generated children.
- Resolve deny globs into concrete file and directory paths using the Windows sandbox resolver.

## Testing

Add regression tests for read-only children and aliases, normalized root access, uninspectable children, and deny glob expansion alongside explicit denies.

GitOrigin-RevId: 3242e9a30d16581d6fe5b7b6e39e0e0f71ca6ef4
2026-09-09 20:02:40 +00:00
2026-04-24 17:49:29 -07:00
2025-04-16 12:56:08 -04:00
2025-04-16 12:56:08 -04:00
2026-04-24 17:49:29 -07:00
2026-08-21 16:45:05 +00:00

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