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Refs: https://linear.app/openai/issue/SE-6311/login-fails-for-experian-users-behind-tls-inspecting-proxy ## Summary - When a custom CA bundle is configured, force the shared `codex-client` reqwest builder onto rustls before registering custom roots. - Add the `rustls-tls-native-roots` reqwest feature so the rustls client preserves native roots plus the enterprise CA bundle. - Add subprocess TLS coverage for both a direct local TLS 1.3 server and a hermetic local CONNECT TLS-intercepting proxy that forwards a token-exchange-shaped POST to a local origin. ## Plain-language explanation Experian users are behind a TLS-inspecting proxy, so the login token exchange needs to trust the enterprise CA bundle from `CODEX_CA_CERTIFICATE` or `SSL_CERT_FILE`. Before this change, that custom-CA branch still used reqwest default TLS selection, which could fail in the proxy environment. Now, only when a custom CA is configured, Codex selects rustls first and then adds the custom CA roots, matching the validated behavior from the Experian test build while leaving normal system-root clients unchanged. The new regression test recreates the enterprise-proxy shape locally: the probe client sends an HTTPS `POST /oauth/token` through an explicit HTTP CONNECT proxy, the proxy presents a leaf certificate signed by a runtime-generated test CA, decrypts the request, forwards it to a local origin, and relays the `ok` response back. ## Scope note - The actual production fix is the first commit: `8368119282 Fix custom CA reqwest clients to use rustls`. - The second commit is integration-test coverage only. It generates all test CA and localhost certificate material at runtime. ## Validation - `cd codex-rs && cargo test -p codex-client --test ca_env posts_to_token_origin_through_tls_intercepting_proxy_with_custom_ca_bundle -- --nocapture` - `cd codex-rs && cargo test -p codex-client` - `cd codex-rs && cargo test -p codex-login` - `cd codex-rs && just fmt` - `cd codex-rs && just bazel-lock-update` - `cd codex-rs && just bazel-lock-check` - `cd codex-rs && just fix -p codex-client`
9e905528bb
·
2026-05-01 17:51:49 -07:00
6,095 Commits
npm i -g @openai/codex
or brew install --cask codex
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
Install globally with your preferred package manager:
# 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.