Files
codex/codex-rs/network-proxy/src/lib.rs
T
kevinlin-openai 7a0e974e08 Harden network proxy MITM authorization (#37211)
## Why

MITM hooks authorize requests before the upstream server parses them. Paths that
can be decoded or normalized to a different resource must not match an allowed
path, and hosts that require MITM inspection must not bypass it through the
plain HTTP proxy path.

## What changed

- Reject ambiguous hook paths, including traversal segments, backslashes,
  malformed percent encodings, and encoded separators or percent signs.
- Block plain HTTP proxy requests for hosts whose policy always requires MITM,
  recording the decision as `mitm_required`.

## Testing

- Cover safe and ambiguous path forms, encoded traversal through repository
  allowlists, and absolute-form HTTPS requests sent to the HTTP proxy.

GitOrigin-RevId: 8812a980ac64a97cbac3a237376d29be5ded9220
2026-08-06 03:57:10 +00:00

95 lines
3.2 KiB
Rust

#![deny(clippy::print_stdout, clippy::print_stderr)]
mod attribution;
mod authorization_path;
mod certs;
mod config;
mod connect_policy;
mod credential_broker;
mod http_proxy;
mod mitm;
mod mitm_hook;
mod native_certs;
mod network_policy;
mod policy;
mod proxy;
mod reasons;
mod remote_config;
mod responses;
mod runtime;
mod socks5;
mod state;
mod upstream;
#[cfg(target_os = "windows")]
mod windows_proxy_ingress;
#[cfg(target_os = "windows")]
mod windows_tcp_attribution;
pub use attribution::PROXY_ATTRIBUTION_TOKEN_ENV_KEY;
pub use attribution::write_attribution_frame;
pub use certs::CUSTOM_CA_ENV_KEYS;
pub use certs::is_managed_mitm_ca_trust_bundle_path;
pub use config::NetworkDomainPermission;
pub use config::NetworkDomainPermissionEntry;
pub use config::NetworkDomainPermissions;
pub use config::NetworkMode;
pub use config::NetworkProxyConfig;
pub use config::NetworkUnixSocketPermission;
pub use config::NetworkUnixSocketPermissions;
pub use config::host_and_port_from_network_addr;
pub use config::managed_proxy_ports;
pub use credential_broker::CREDENTIAL_BROKER_ACTIVE_ENV_KEY;
pub use credential_broker::brokered_credential_dummy_env_keys;
pub use credential_broker::brokered_credential_env_keys;
pub use mitm_hook::InjectedHeaderConfig;
pub use mitm_hook::MitmHookActionsConfig;
pub use mitm_hook::MitmHookBodyConfig;
pub use mitm_hook::MitmHookConfig;
pub use mitm_hook::MitmHookMatchConfig;
pub use network_policy::NetworkDecision;
pub use network_policy::NetworkDecisionSource;
pub use network_policy::NetworkPolicyDecider;
pub use network_policy::NetworkPolicyDeciderFuture;
pub use network_policy::NetworkPolicyDecision;
pub use network_policy::NetworkPolicyRequest;
pub use network_policy::NetworkPolicyRequestArgs;
pub use network_policy::NetworkProtocol;
pub use policy::normalize_host;
pub use proxy::ALL_PROXY_ENV_KEYS;
pub use proxy::ALLOW_LOCAL_BINDING_ENV_KEY;
pub use proxy::Args;
#[cfg(target_os = "macos")]
pub use proxy::CODEX_PROXY_GIT_SSH_COMMAND_MARKER;
pub use proxy::DEFAULT_NO_PROXY_VALUE;
pub use proxy::ManagedNetworkSandboxContext;
pub use proxy::NO_PROXY_ENV_KEYS;
pub use proxy::NetworkProxy;
pub use proxy::NetworkProxyBuilder;
pub use proxy::NetworkProxyHandle;
pub use proxy::PROXY_ACTIVE_ENV_KEY;
pub use proxy::PROXY_ENV_KEYS;
#[cfg(target_os = "macos")]
pub use proxy::PROXY_GIT_SSH_COMMAND_ENV_KEY;
pub use proxy::PROXY_URL_ENV_KEYS;
pub use proxy::PreparedManagedNetwork;
pub use proxy::has_proxy_url_env_vars;
pub use proxy::is_managed_proxy_env_var;
pub use proxy::proxy_url_env_value;
pub use proxy::strip_managed_proxy_env;
pub use remote_config::RemoteNetworkProxyConfig;
pub use remote_config::RemoteNetworkProxyLaunchConfig;
pub use runtime::BlockedRequest;
pub use runtime::BlockedRequestArgs;
pub use runtime::BlockedRequestObserver;
pub use runtime::BlockedRequestObserverFuture;
pub use runtime::ConfigReloader;
pub use runtime::ConfigReloaderFuture;
pub use runtime::ConfigState;
pub use runtime::NetworkProxyState;
pub use state::NetworkProxyAuditMetadata;
pub use state::NetworkProxyConstraintError;
pub use state::NetworkProxyConstraints;
pub use state::PartialNetworkProxyConfig;
pub use state::build_config_state;
pub use state::validate_policy_against_constraints;