codex

refactor(network-proxy): flatten network config under [network] (#10965 )

Summary:
- Rename config table from network_proxy to network.
- Flatten allowed_domains, denied_domains, allow_unix_sockets, and
allow_local_binding onto NetworkProxySettings.
- Update runtime, state constraints, tests, and README to the new config
shape.

viyatb-oai · 2026-02-07 05:22:44 +00:00

8cd46ebad6

feat(network-proxy): add structured policy decision to blocked errors (#10420 )

## Summary
Add explicit, model-visible network policy decision metadata to blocked
proxy responses/errors.

Introduces a standardized prefix line: `CODEX_NETWORK_POLICY_DECISION
{json}`

and wires it through blocked paths for:
- HTTP requests
- HTTPS CONNECT
- SOCKS5 TCP/UDP denials

## Why
The model should see *why* a request was blocked
(reason/source/protocol/host/port) so it can choose the correct next
action.

## Notes
- This PR is intentionally independent of config-layering/network-rule
runtime integration.
- Focus is blocked decision surface only.

viyatb-oai · 2026-02-06 10:46:50 -08:00

db0d8710d5

chore: introduce *Args types for new() methods (#10009 )

Constructors with long param lists can be hard to reason about when a
number of the args are `None`, in practice. Introducing a struct to use
as the args type helps make things more self-documenting.

Michael Bolin · 2026-01-27 19:15:38 +00:00

700a29e157

feat: introducing a network sandbox proxy (#8442 )

This add a new crate, `codex-network-proxy`, a local network proxy
service used by Codex to enforce fine-grained network policy (domain
allow/deny) and to surface blocked network events for interactive
approvals.

- New crate: `codex-rs/network-proxy/` (`codex-network-proxy` binary +
library)
- Core capabilities:
  - HTTP proxy support (including CONNECT tunneling)
  - SOCKS5 proxy support (in the later PR)
- policy evaluation (allowed/denied domain lists; denylist wins;
wildcard support)
  - small admin API for polling/reload/mode changes
- optional MITM support for HTTPS CONNECT to enforce “limited mode”
method restrictions (later PR)

Will follow up integration with codex in subsequent PRs.

## Testing

- `cd codex-rs && cargo build -p codex-network-proxy`
- `cd codex-rs && cargo run -p codex-network-proxy -- proxy`

viyatb-oai · 2026-01-23 17:47:09 -08:00

77222492f9

4 Commits