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Enable MXC TTY launches and managed networking in the exec server - #45524

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copyberry/codex-internal-to-codex-oss/80c5f319b9066d06b26f0a7eb7119a109e6ebef7
Sep 14, 2026
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copyberry/codex-internal-to-codex-oss/80c5f319b9066d06b26f0a7eb7119a109e6ebef7

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@copyberry copyberry Bot commented Sep 14, 2026 •

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Enable MXC TTY launches and managed networking in the exec server

What changed

  • Report windows_mxc from native MXC availability on Windows.
  • Allow MXC TTY launches and managed networking, using dedicated proxy listeners without requiring a shared-ingress restricting SID.
  • Reject MXC custom argv0 and private-desktop launches, and continue failing closed when native MXC is unavailable.

Testing

Extend the Windows remote sandbox process-write test to cover MXC with both pipes and ConPTY. Retain coverage for rejecting MXC requests when native support is unavailable.

…5524)

## What changed

- Report `windows_mxc` from native MXC availability on Windows.
- Allow MXC TTY launches and managed networking, using dedicated proxy listeners without requiring a shared-ingress restricting SID.
- Reject MXC custom `argv0` and private-desktop launches, and continue failing closed when native MXC is unavailable.

## Testing

Extend the Windows remote sandbox process-write test to cover MXC with both pipes and ConPTY. Retain coverage for rejecting MXC requests when native support is unavailable.

GitOrigin-RevId: 80c5f319b9066d06b26f0a7eb7119a109e6ebef7
@copyberry
copyberry Bot force-pushed the copyberry/codex-internal-to-codex-oss/80c5f319b9066d06b26f0a7eb7119a109e6ebef7 branch from cb39906 to 60e3576 Compare September 14, 2026 21:45
@copyberry
copyberry Bot merged commit 60e3576 into main Sep 14, 2026
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copyberry Bot deleted the copyberry/codex-internal-to-codex-oss/80c5f319b9066d06b26f0a7eb7119a109e6ebef7 branch September 14, 2026 21:45
@github-actions github-actions Bot locked and limited conversation to collaborators Sep 14, 2026
@boggspa
boggspa deployed to issue-triage September 14, 2026 22:12 — with GitHub Actions Active
@boggspa
boggspa deployed to issue-triage September 14, 2026 22:12 — with GitHub Actions Active
@boggspa
boggspa deployed to issue-triage September 14, 2026 22:12 — with GitHub Actions Active
@boggspa
boggspa deployed to issue-triage September 14, 2026 22:14 — with GitHub Actions Active

This branch was successfully deployed

1 active deployment
issue-triage — 60e35765 Deployed Sep 14, 2026 by boggspa via Identify potential duplicates (open issues fallback) #45534
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