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Michael Bolin 9c0eced391 shell-escalation: carry resolved permission profiles (#18287 )

## Why

Shell escalation still has adapter code that expects a legacy sandbox
policy, but command approvals should carry the resolved
`PermissionProfile` so callers can reason about the granted permissions
canonically.

## What changed

This introduces profile-shaped resolved escalation permissions while
retaining the derived legacy sandbox policy for the Unix escalation
adapter. It updates approval types, the escalation server protocol, and
tests that inspect escalated command permissions.

## Verification

- `cargo test -p codex-core --test all handle_container_exec_ --
--nocapture`
- `cargo test -p codex-core --test all handle_sandbox_ -- --nocapture`

























































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* #18288
* __->__ #18287

2026-04-23 12:46:19 -07:00

patches

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src

shell-escalation: carry resolved permission profiles (#18287 )

2026-04-23 12:46:19 -07:00

BUILD.bazel

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Cargo.toml

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README.md

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README.md

codex-shell-escalation

This crate contains the Unix shell-escalation protocol implementation and the codex-execve-wrapper executable.

codex-execve-wrapper receives the arguments to an intercepted execve(2) call and delegates the decision to the shell-escalation protocol over a shared file descriptor (specified by the CODEX_ESCALATE_SOCKET environment variable). The server on the other side replies with one of:

Run: codex-execve-wrapper should invoke execve(2) on itself to run the original command within the sandboxed shell.
Escalate: forward the file descriptors of the current process so the command can be run faithfully outside the sandbox. When the process completes, the server forwards the exit code back to codex-execve-wrapper.
Deny: the server has declared the proposed command to be forbidden, so codex-execve-wrapper prints an error to stderr and exits with 1.

Patched zsh

We carry a small patch to Src/exec.c (see patches/zsh-exec-wrapper.patch) that adds support for EXEC_WRAPPER. The patch applies to 77045ef899e53b9598bebc5a41db93a548a40ca6 from https://git.code.sf.net/p/zsh/code. To rebuild manually:

git clone https://git.code.sf.net/p/zsh/code
git checkout 77045ef899e53b9598bebc5a41db93a548a40ca6
git apply /path/to/patches/zsh-exec-wrapper.patch
./Util/preconfig
./configure
make -j"$(nproc)"