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Winston Howes
bca18cba40
## Stack 1. Parent PR: #18240 uses named MITM permissions config. 2. This PR wires managed MITM CA trust into spawned child processes. ## Why When Codex terminates HTTPS for limited mode or MITM hooks, child HTTPS clients need to trust Codex's managed MITM CA. Exporting proxy URLs alone is not enough, but blindly replacing user CA settings would be wrong: it can break custom enterprise/test roots, leak unreadable CA files into generated bundles, or make the child env disagree with its sandbox policy. ## Summary 1. Build immutable managed CA bundles under `$CODEX_HOME/proxy` that include native roots, the managed MITM CA, and only inherited or command-scoped CA bundles the child is allowed to read. 2. Export curated CA env vars alongside managed proxy env vars while preserving user CA override semantics, including nested Codex `SSL_CERT_FILE` precedence. 3. Thread generated CA bundle paths into child sandbox readable roots, including debug sandbox execution, so the exported env vars work inside sandboxed commands. 4. Remove only Codex-generated MITM CA bundle env when a child intentionally drops managed proxying for escalation or no-proxy retry. 5. Document the managed CA bundle behavior and cover env injection, per-child bundle generation, sandbox readable roots, and no-proxy cleanup in tests. ## Validation 1. Ran `just test -p codex-network-proxy`. 2. Ran `just test -p codex-protocol`. 3. Ran `just fix -p codex-network-proxy -p codex-protocol`. 4. Tried focused `codex-core` validation, but the crate currently fails to compile in `core/tests/suite/guardian_review.rs` because an existing `Op::UserInput` initializer is missing `additional_context`. --------- Co-authored-by: Eva Wong <evawong@openai.com>
bca18cba40
·
2026-06-01 23:23:59 +00:00
7,038 Commits
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Run the following on Mac or Linux to install Codex CLI:
curl -fsSL https://chatgpt.com/codex/install.sh | sh
Run the following on Windows to install Codex CLI:
powershell -ExecutionPolicy ByPass -c "irm https://chatgpt.com/codex/install.ps1 | iex"
Codex CLI can also be installed via the following package managers:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.