Commit Graph

19 Commits

  • Rename agent identity login surface to access token (#21059)
    ## Why
    The external startup/login surface for this auth path should talk about
    an access token instead of exposing the internal Agent Identity
    terminology. Users should pass `CODEX_ACCESS_TOKEN` or pipe a token into
    `codex login --with-access-token`; the old external env/flag spellings
    are removed so there is only one supported user-facing path.
    
    ## What Changed
    - Added `CODEX_ACCESS_TOKEN` as the supported environment variable for
    this auth path.
    - Added `codex login --with-access-token` as the supported stdin-based
    login command.
    - Removed the legacy `CODEX_AGENT_IDENTITY` env-var fallback and hidden
    `--with-agent-identity` CLI alias.
    - Updated CLI error, status, and stdin prompts to use access-token
    language.
    - Added coverage for access-token env loading, CLI login failure
    behavior, and renamed login status text.
    
    ## Validation
    - `cargo test -p codex-login`
    - `cargo test -p codex-cli`
    - `just fix -p codex-login`
    - `just fix -p codex-cli`
  • feat(cli): add sandbox profile config controls (#20118)
    ## Why
    
    The explicit profile path from #20117 is meant for standalone testing,
    but it still inherited the
    shell cwd and all managed requirements implicitly. The pre-existing
    launcher path even called out
    that it did not support a separate cwd yet in
    
    [`debug_sandbox.rs`](https://github.com/openai/codex/blob/509453f688a30929432be866402d1ea46aa12169/codex-rs/cli/src/debug_sandbox.rs#L174-L179).
    
    For a standalone command, the useful default is to let the caller choose
    the project directory being
    tested and to avoid administrator-provided constraints unless the caller
    explicitly wants to test
    those too.
    
    ## What changed
    
    - Add explicit-profile-only `-C/--cd DIR`, and use that cwd for both
    profile resolution and command
      execution.
    - Add explicit-profile-only `--include-managed-config`.
    - Make explicit profile mode skip managed requirement sources by
    default, including cloud
    requirements, MDM requirements, `/etc/codex/requirements.toml`, and the
    legacy managed-config
      requirements projection.
    - Preserve all existing invocations outside the explicit-profile path.
    
    ## Stack
    
    1. #20117 `sandbox-ui-profile`
    2. #20118 `sandbox-ui-config` --> this PR
    
    Both PRs are additive. Replay JSON is intentionally deferred to a
    follow-up design pass.
    
    ## Tests ran
    
    - `cargo test -p codex-cli debug_sandbox`
    - `cargo test -p codex-cli sandbox_macos_`
    - `cargo test -p codex-core
    load_config_layers_can_ignore_managed_requirements`
    - `cargo test -p codex-core
    load_config_layers_includes_cloud_requirements`
    - macOS branch-binary smoke on the rebased top of stack: `-C` changed
    execution cwd, explicit
    profile mode omitted managed proxy env under `env -i`, and
    `--include-managed-config` restored it.
    - Linux devbox branch-binary smoke on the rebased top of stack: `-C`
    changed execution cwd for
      built-in and user-defined explicit profiles.
  • feat(cli): add explicit sandbox permission profiles (#20117)
    ## Why
    
    `codex sandbox` is useful for exercising sandbox behavior directly, but
    before this stack the CLI
    only picked up permission profiles indirectly from the active config.
    The existing debug-sandbox path
    already compiled `[permissions]` profiles through normal config loading,
    as covered by the existing
    profile tests in
    [`debug_sandbox.rs`](https://github.com/openai/codex/blob/de2ccf94735a3d8a2a7077e6a5292026413867cf/codex-rs/cli/src/debug_sandbox.rs#L715-L760).
    
    This adds the smallest stable entry point first: an explicit profile
    selector that reuses the same
    config machinery as normal Codex config, so standalone testing becomes
    possible without changing
    current no-selector behavior.
    
    ## What changed
    
    - Add additive `--permissions-profile NAME` support to `codex sandbox
    macos|linux|windows`.
    - Resolve built-in and user-defined profile names by feeding
    `default_permissions` through the
    existing config compilation path instead of inventing a sandbox-only
    parser.
    - Make an explicit selector win over an ambient active profile's legacy
    `sandbox_mode`.
    - Keep the existing no-selector behavior unchanged.
    
    ## Stack
    
    1. #20117 `sandbox-ui-profile` --> this PR
    2. #20118 `sandbox-ui-config`
    
    Both PRs are additive. Replay JSON is intentionally deferred to a
    follow-up design pass.
    
    ## Tests ran
    
    - `cargo test -p codex-cli debug_sandbox`
    - `cargo test -p codex-cli sandbox_macos_parses_permissions_profile`
    - `cargo test -p codex-core
    cli_override_takes_precedence_over_profile_sandbox_mode`
    - macOS branch-binary smoke on the rebased top of stack: built-in
    `:workspace` and user-defined
      profiles both executed successfully through `--permissions-profile`.
    - Linux devbox branch-binary smoke on the rebased top of stack: built-in
    `:workspace` and
    user-defined profiles both executed successfully through
    `--permissions-profile`.
  • chore(cli) deprecate --full-auto (#20133)
    ## Summary
    Starts the process of getting rid of `--full-auto`, with some
    concessions:
    1. Fully removes the command from the tui, since it just resolves to the
    default permissions there, and encourages users to use the one-time
    trust flow if they're not in a trusted repo.
    2. Marks the command as deprecated in `codex exec`, in case users are
    actively relying on this. We'll remove in an upcoming n+X release.
    3. Cleans up some of the `codex sandbox` cli logic, to keep supporting
    legacy sandbox policies for now.
    
    This isn't the cleanest setup, but I think it is worthwhile to warn
    users for one release before hard-removing it.
    
    ## Testing 
    - [x] Updated unit tests
  • feat: load AgentIdentity from JWT login/env (#18904)
    ## Summary
    
    This PR lets programmatic AgentIdentity users provide one token through
    either stdin login or environment auth.
    
    `codex login --with-agent-identity` reads an Agent Identity JWT from
    stdin, validates that it has the required claims, and stores that token
    as the `agent_identity` value in `auth.json`. The file format is
    token-only; the decoded account and key fields are runtime state, not
    hand-authored auth.json fields.
    
    The Agent Identity JWT claim shape and decoder live in
    `codex-agent-identity`; `codex-login` only owns env/storage precedence
    and conversion into `CodexAuth::AgentIdentity`.
    
    When env auth is enabled, `CODEX_AGENT_IDENTITY` can provide the same
    JWT without writing auth state to disk. `CODEX_API_KEY` still wins if
    both env vars are set.
    
    Reference old stack: https://github.com/openai/codex/pull/17387/changes
    Reference JWT/env stack: https://github.com/openai/codex/pull/18176
    
    ## Stack
    
    1. https://github.com/openai/codex/pull/18757: full revert
    2. https://github.com/openai/codex/pull/18871: isolated Agent Identity
    crate
    3. https://github.com/openai/codex/pull/18785: explicit AgentIdentity
    auth mode and startup task allocation
    4. https://github.com/openai/codex/pull/18811: migrate Codex backend
    auth callsites through AuthProvider
    5. This PR: accept AgentIdentity JWTs through login/env
    
    ## Testing
    
    Tests: targeted login and Agent Identity crate tests, CLI checks, scoped
    formatter/linter cleanup, and CI.
    
    ---------
    
    Co-authored-by: Shijie Rao <shijie.rao@openai.com>
  • Support Unix socket allowlists in macOS sandbox (#17654)
    ## Changes
    
    Allows sandboxes to restrict overall network access while granting
    access to specific unix sockets on mac.
    
    ## Details
    
    - `codex sandbox macos`: adds a repeatable `--allow-unix-socket` option.
    - `codex-sandboxing`: threads explicit Unix socket roots into the macOS
    Seatbelt profile generation.
    - Preserves restricted network behavior when only Unix socket IPC is
    requested, and preserves full network behavior when full network is
    already enabled.
    
    ## Verification
    
    - `cargo test -p codex-cli -p codex-sandboxing`
    - `cargo build -p codex-cli --bin codex`
    - verified that `codex sandbox macos --allow-unix-socket /tmp/test.sock
    -- test-client` grants access as expected
  • [codex] reduce module visibility (#16978)
    ## Summary
    - reduce public module visibility across Rust crates, preferring private
    or crate-private modules with explicit crate-root public exports
    - update external call sites and tests to use the intended public crate
    APIs instead of reaching through module trees
    - add the module visibility guideline to AGENTS.md
    
    ## Validation
    - `cargo check --workspace --all-targets --message-format=short` passed
    before the final fix/format pass
    - `just fix` completed successfully
    - `just fmt` completed successfully
    - `git diff --check` passed
  • refactor: make bubblewrap the default Linux sandbox (#13996)
    ## Summary
    - make bubblewrap the default Linux sandbox and keep
    `use_legacy_landlock` as the only override
    - remove `use_linux_sandbox_bwrap` from feature, config, schema, and
    docs surfaces
    - update Linux sandbox selection, CLI/config plumbing, and related
    tests/docs to match the new default
    - fold in the follow-up CI fixes for request-permissions responses and
    Linux read-only sandbox error text
  • feat: split codex-common into smaller utils crates (#11422)
    We are removing feature-gated shared crates from the `codex-rs`
    workspace. `codex-common` grouped several unrelated utilities behind
    `[features]`, which made dependency boundaries harder to reason about
    and worked against the ongoing effort to eliminate feature flags from
    workspace crates.
    
    Splitting these utilities into dedicated crates under `utils/` aligns
    this area with existing workspace structure and keeps each dependency
    explicit at the crate boundary.
    
    ## What changed
    
    - Removed `codex-rs/common` (`codex-common`) from workspace members and
    workspace dependencies.
    - Added six new utility crates under `codex-rs/utils/`:
      - `codex-utils-cli`
      - `codex-utils-elapsed`
      - `codex-utils-sandbox-summary`
      - `codex-utils-approval-presets`
      - `codex-utils-oss`
      - `codex-utils-fuzzy-match`
    - Migrated the corresponding modules out of `codex-common` into these
    crates (with tests), and added matching `BUILD.bazel` targets.
    - Updated direct consumers to use the new crates instead of
    `codex-common`:
      - `codex-rs/cli`
      - `codex-rs/tui`
      - `codex-rs/exec`
      - `codex-rs/app-server`
      - `codex-rs/mcp-server`
      - `codex-rs/chatgpt`
      - `codex-rs/cloud-tasks`
    - Updated workspace lockfile entries to reflect the new dependency graph
    and removal of `codex-common`.
  • add codex debug seatbelt --log-denials (#4098)
    This adds a debugging tool for analyzing why certain commands fail to
    execute under the sandbox.
    
    Example output:
    
    ```
    $ codex debug seatbelt --log-denials bash -lc "(echo foo > ~/foo.txt)"
    bash: /Users/nornagon/foo.txt: Operation not permitted
    
    === Sandbox denials ===
    (bash) file-write-data /dev/tty
    (bash) file-write-data /dev/ttys001
    (bash) sysctl-read kern.ngroups
    (bash) file-write-create /Users/nornagon/foo.txt
    ```
    
    It operates by:
    
    1. spawning `log stream` to watch system logs, and
    2. tracking all descendant PIDs using kqueue + proc_listchildpids.
    
    this is a "best-effort" technique, as `log stream` may drop logs(?), and
    kqueue + proc_listchildpids isn't atomic and can end up missing very
    short-lived processes. But it works well enough in my testing to be
    useful :)
  • Windows Sandbox - Alpha version (#4905)
    - Added the new codex-windows-sandbox crate that builds both a library
    entry point (run_windows_sandbox_capture) and a CLI executable to launch
    commands inside a Windows restricted-token sandbox, including ACL
    management, capability SID provisioning, network lockdown, and output
    capture
    (windows-sandbox-rs/src/lib.rs:167, windows-sandbox-rs/src/main.rs:54).
    - Introduced the experimental WindowsSandbox feature flag and wiring so
    Windows builds can opt into the sandbox:
    SandboxType::WindowsRestrictedToken, the in-process execution path, and
    platform sandbox selection now honor the flag (core/src/features.rs:47,
    core/src/config.rs:1224, core/src/safety.rs:19,
    core/src/sandboxing/mod.rs:69, core/src/exec.rs:79,
    core/src/exec.rs:172).
    - Updated workspace metadata to include the new crate and its
    Windows-specific dependencies so the core crate can link against it
    (codex-rs/
        Cargo.toml:91, core/Cargo.toml:86).
    - Added a PowerShell bootstrap script that installs the Windows
    toolchain, required CLI utilities, and builds the workspace to ease
    development
        on the platform (scripts/setup-windows.ps1:1).
    - Landed a Python smoke-test suite that exercises
    read-only/workspace-write policies, ACL behavior, and network denial for
    the Windows sandbox
        binary (windows-sandbox-rs/sandbox_smoketests.py:1).
  • feat: redesign sandbox config (#1373)
    This is a major redesign of how sandbox configuration works and aims to
    fix https://github.com/openai/codex/issues/1248. Specifically, it
    replaces `sandbox_permissions` in `config.toml` (and the
    `-s`/`--sandbox-permission` CLI flags) with a "table" with effectively
    three variants:
    
    ```toml
    # Safest option: full disk is read-only, but writes and network access are disallowed.
    [sandbox]
    mode = "read-only"
    
    # The cwd of the Codex task is writable, as well as $TMPDIR on macOS.
    # writable_roots can be used to specify additional writable folders.
    [sandbox]
    mode = "workspace-write"
    writable_roots = []  # Optional, defaults to the empty list.
    network_access = false  # Optional, defaults to false.
    
    # Disable sandboxing: use at your own risk!!!
    [sandbox]
    mode = "danger-full-access"
    ```
    
    This should make sandboxing easier to reason about. While we have
    dropped support for `-s`, the way it works now is:
    
    - no flags => `read-only`
    - `--full-auto` => `workspace-write`
    - currently, there is no way to specify `danger-full-access` via a CLI
    flag, but we will revisit that as part of
    https://github.com/openai/codex/issues/1254
    
    Outstanding issue:
    
    - As noted in the `TODO` on `SandboxPolicy::is_unrestricted()`, we are
    still conflating sandbox preferences with approval preferences in that
    case, which needs to be cleaned up.
  • feat: add support for login with ChatGPT (#1212)
    This does not implement the full Login with ChatGPT experience, but it
    should unblock people.
    
    **What works**
    
    * The `codex` multitool now has a `login` subcommand, so you can run
    `codex login`, which should write `CODEX_HOME/auth.json` if you complete
    the flow successfully. The TUI will now read the `OPENAI_API_KEY` from
    `auth.json`.
    * The TUI should refresh the token if it has expired and the necessary
    information is in `auth.json`.
    * There is a `LoginScreen` in the TUI that tells you to run `codex
    login` if both (1) your model provider expects to use `OPENAI_API_KEY`
    as its env var, and (2) `OPENAI_API_KEY` is not set.
    
    **What does not work**
    
    * The `LoginScreen` does not support the login flow from within the TUI.
    Instead, it tells you to quit, run `codex login`, and then run `codex`
    again.
    * `codex exec` does read from `auth.json` yet, nor does it direct the
    user to go through the login flow if `OPENAI_API_KEY` is not be found.
    * The `maybeRedeemCredits()` function from `get-api-key.tsx` has not
    been ported from TypeScript to `login_with_chatgpt.py` yet:
    
    
    https://github.com/openai/codex/blob/a67a67f3258fc21e147b6786a143fe3e15e6d5ba/codex-cli/src/utils/get-api-key.tsx#L84-L89
    
    **Implementation**
    
    Currently, the OAuth flow requires running a local webserver on
    `127.0.0.1:1455`. It seemed wasteful to incur the additional binary cost
    of a webserver dependency in the Rust CLI just to support login, so
    instead we implement this logic in Python, as Python has a `http.server`
    module as part of its standard library. Specifically, we bundle the
    contents of a single Python file as a string in the Rust CLI and then
    use it to spawn a subprocess as `python3 -c
    {{SOURCE_FOR_PYTHON_SERVER}}`.
    
    As such, the most significant files in this PR are:
    
    ```
    codex-rs/login/src/login_with_chatgpt.py
    codex-rs/login/src/lib.rs
    ```
    
    Now that the CLI may load `OPENAI_API_KEY` from the environment _or_
    `CODEX_HOME/auth.json`, we need a new abstraction for reading/writing
    this variable, so we introduce:
    
    ```
    codex-rs/core/src/openai_api_key.rs
    ```
    
    Note that `std::env::set_var()` is [rightfully] `unsafe` in Rust 2024,
    so we use a LazyLock<RwLock<Option<String>>> to store `OPENAI_API_KEY`
    so it is read in a thread-safe manner.
    
    Ultimately, it should be possible to go through the entire login flow
    from the TUI. This PR introduces a placeholder `LoginScreen` UI for that
    right now, though the new `codex login` subcommand introduced in this PR
    should be a viable workaround until the UI is ready.
    
    **Testing**
    
    Because the login flow is currently implemented in a standalone Python
    file, you can test it without building any Rust code as follows:
    
    ```
    rm -rf /tmp/codex_home && mkdir /tmp/codex_home
    CODEX_HOME=/tmp/codex_home python3 codex-rs/login/src/login_with_chatgpt.py
    ```
    
    For reference:
    
    * the original TypeScript implementation was introduced in
    https://github.com/openai/codex/pull/963
    * support for redeeming credits was later added in
    https://github.com/openai/codex/pull/974
  • feat: add support for -c/--config to override individual config items (#1137)
    This PR introduces support for `-c`/`--config` so users can override
    individual config values on the command line using `--config
    name=value`. Example:
    
    ```
    codex --config model=o4-mini
    ```
    
    Making it possible to set arbitrary config values on the command line
    results in a more flexible configuration scheme and makes it easier to
    provide single-line examples that can be copy-pasted from documentation.
    
    Effectively, it means there are four levels of configuration for some
    values:
    
    - Default value (e.g., `model` currently defaults to `o4-mini`)
    - Value in `config.toml` (e.g., user could override the default to be
    `model = "o3"` in their `config.toml`)
    - Specifying `-c` or `--config` to override `model` (e.g., user can
    include `-c model=o3` in their list of args to Codex)
    - If available, a config-specific flag can be used, which takes
    precedence over `-c` (e.g., user can specify `--model o3` in their list
    of args to Codex)
    
    Now that it is possible to specify anything that could be configured in
    `config.toml` on the command line using `-c`, we do not need to have a
    custom flag for every possible config option (which can clutter the
    output of `--help`). To that end, as part of this PR, we drop support
    for the `--disable-response-storage` flag, as users can now specify `-c
    disable_response_storage=true` to get the equivalent functionality.
    
    Under the hood, this works by loading the `config.toml` into a
    `toml::Value`. Then for each `key=value`, we create a small synthetic
    TOML file with `value` so that we can run the TOML parser to get the
    equivalent `toml::Value`. We then parse `key` to determine the point in
    the original `toml::Value` to do the insert/replace. Once all of the
    overrides from `-c` args have been applied, the `toml::Value` is
    deserialized into a `ConfigToml` and then the `ConfigOverrides` are
    applied, as before.
  • fix: overhaul how we spawn commands under seccomp/landlock on Linux (#1086)
    Historically, we spawned the Seatbelt and Landlock sandboxes in
    substantially different ways:
    
    For **Seatbelt**, we would run `/usr/bin/sandbox-exec` with our policy
    specified as an arg followed by the original command:
    
    
    https://github.com/openai/codex/blob/d1de7bb383552e8fadd94be79d65d188e00fd562/codex-rs/core/src/exec.rs#L147-L219
    
    For **Landlock/Seccomp**, we would do
    `tokio::runtime::Builder::new_current_thread()`, _invoke
    Landlock/Seccomp APIs to modify the permissions of that new thread_, and
    then spawn the command:
    
    
    https://github.com/openai/codex/blob/d1de7bb383552e8fadd94be79d65d188e00fd562/codex-rs/core/src/exec_linux.rs#L28-L49
    
    While it is neat that Landlock/Seccomp supports applying a policy to
    only one thread without having to apply it to the entire process, it
    requires us to maintain two different codepaths and is a bit harder to
    reason about. The tipping point was
    https://github.com/openai/codex/pull/1061, in which we had to start
    building up the `env` in an unexpected way for the existing
    Landlock/Seccomp approach to continue to work.
    
    This PR overhauls things so that we do similar things for Mac and Linux.
    It turned out that we were already building our own "helper binary"
    comparable to Mac's `sandbox-exec` as part of the `cli` crate:
    
    
    https://github.com/openai/codex/blob/d1de7bb383552e8fadd94be79d65d188e00fd562/codex-rs/cli/Cargo.toml#L10-L12
    
    We originally created this to build a small binary to include with the
    Node.js version of the Codex CLI to provide support for Linux
    sandboxing.
    
    Though the sticky bit is that, at this point, we still want to deploy
    the Rust version of Codex as a single, standalone binary rather than a
    CLI and a supporting sandboxing binary. To satisfy this goal, we use
    "the arg0 trick," in which we:
    
    * use `std::env::current_exe()` to get the path to the CLI that is
    currently running
    * use the CLI as the `program` for the `Command`
    * set `"codex-linux-sandbox"` as arg0 for the `Command`
    
    A CLI that supports sandboxing should check arg0 at the start of the
    program. If it is `"codex-linux-sandbox"`, it must invoke
    `codex_linux_sandbox::run_main()`, which runs the CLI as if it were
    `codex-linux-sandbox`. When acting as `codex-linux-sandbox`, we make the
    appropriate Landlock/Seccomp API calls and then use `execvp(3)` to spawn
    the original command, so do _replace_ the process rather than spawn a
    subprocess. Incidentally, we do this before starting the Tokio runtime,
    so the process should only have one thread when `execvp(3)` is called.
    
    Because the `core` crate that needs to spawn the Linux sandboxing is not
    a CLI in its own right, this means that every CLI that includes `core`
    and relies on this behavior has to (1) implement it and (2) provide the
    path to the sandboxing executable. While the path is almost always
    `std::env::current_exe()`, we needed to make this configurable for
    integration tests, so `Config` now has a `codex_linux_sandbox_exe:
    Option<PathBuf>` property to facilitate threading this through,
    introduced in https://github.com/openai/codex/pull/1089.
    
    This common pattern is now captured in
    `codex_linux_sandbox::run_with_sandbox()` and all of the `main.rs`
    functions that should use it have been updated as part of this PR.
    
    The `codex-linux-sandbox` crate added to the Cargo workspace as part of
    this PR now has the bulk of the Landlock/Seccomp logic, which makes
    `core` a bit simpler. Indeed, `core/src/exec_linux.rs` and
    `core/src/landlock.rs` were removed/ported as part of this PR. I also
    moved the unit tests for this code into an integration test,
    `linux-sandbox/tests/landlock.rs`, in which I use
    `env!("CARGO_BIN_EXE_codex-linux-sandbox")` as the value for
    `codex_linux_sandbox_exe` since `std::env::current_exe()` is not
    appropriate in that case.
  • feat: experimental env var: CODEX_SANDBOX_NETWORK_DISABLED (#879)
    When using Codex to develop Codex itself, I noticed that sometimes it
    would try to add `#[ignore]` to the following tests:
    
    ```
    keeps_previous_response_id_between_tasks()
    retries_on_early_close()
    ```
    
    Both of these tests start a `MockServer` that launches an HTTP server on
    an ephemeral port and requires network access to hit it, which the
    Seatbelt policy associated with `--full-auto` correctly denies. If I
    wasn't paying attention to the code that Codex was generating, one of
    these `#[ignore]` annotations could have slipped into the codebase,
    effectively disabling the test for everyone.
    
    To that end, this PR enables an experimental environment variable named
    `CODEX_SANDBOX_NETWORK_DISABLED` that is set to `1` if the
    `SandboxPolicy` used to spawn the process does not have full network
    access. I say it is "experimental" because I'm not convinced this API is
    quite right, but we need to start somewhere. (It might be more
    appropriate to have an env var like `CODEX_SANDBOX=full-auto`, but the
    challenge is that our newer `SandboxPolicy` abstraction does not map to
    a simple set of enums like in the TypeScript CLI.)
    
    We leverage this new functionality by adding the following code to the
    aforementioned tests as a way to "dynamically disable" them:
    
    ```rust
    if std::env::var(CODEX_SANDBOX_NETWORK_DISABLED_ENV_VAR).is_ok() {
        println!(
            "Skipping test because it cannot execute when network is disabled in a Codex sandbox."
        );
        return;
    }
    ```
    
    We can use the `debug seatbelt --full-auto` command to verify that
    `cargo test` fails when run under Seatbelt prior to this change:
    
    ```
    $ cargo run --bin codex -- debug seatbelt --full-auto -- cargo test
    ---- keeps_previous_response_id_between_tasks stdout ----
    
    thread 'keeps_previous_response_id_between_tasks' panicked at /Users/mbolin/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/wiremock-0.6.3/src/mock_server/builder.rs:107:46:
    Failed to bind an OS port for a mock server.: Os { code: 1, kind: PermissionDenied, message: "Operation not permitted" }
    note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
    
    
    failures:
        keeps_previous_response_id_between_tasks
    
    test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
    
    error: test failed, to rerun pass `-p codex-core --test previous_response_id`
    ```
    
    Though after this change, the above command succeeds! This means that,
    going forward, when Codex operates on Codex itself, when it runs `cargo
    test`, only "real failures" should cause the command to fail.
    
    As part of this change, I decided to tighten up the codepaths for
    running `exec()` for shell tool calls. In particular, we do it in `core`
    for the main Codex business logic itself, but we also expose this logic
    via `debug` subcommands in the CLI in the `cli` crate. The logic for the
    `debug` subcommands was not quite as faithful to the true business logic
    as I liked, so I:
    
    * refactored a bit of the Linux code, splitting `linux.rs` into
    `linux_exec.rs` and `landlock.rs` in the `core` crate.
    * gating less code behind `#[cfg(target_os = "linux")]` because such
    code does not get built by default when I develop on Mac, which means I
    either have to build the code in Docker or wait for CI signal
    * introduced `macro_rules! configure_command` in `exec.rs` so we can
    have both sync and async versions of this code. The synchronous version
    seems more appropriate for straight threads or potentially fork/exec.
  • chore: introduce codex-common crate (#843)
    I started this PR because I wanted to share the `format_duration()`
    utility function in `codex-rs/exec/src/event_processor.rs` with the TUI.
    The question was: where to put it?
    
    `core` should have as few dependencies as possible, so moving it there
    would introduce a dependency on `chrono`, which seemed undesirable.
    `core` already had this `cli` feature to deal with a similar situation
    around sharing common utility functions, so I decided to:
    
    * make `core` feature-free
    * introduce `common`
    * `common` can have as many "special interest" features as it needs,
    each of which can declare their own deps
    * the first two features of common are `cli` and `elapsed`
    
    In practice, this meant updating a number of `Cargo.toml` files,
    replacing this line:
    
    ```toml
    codex-core = { path = "../core", features = ["cli"] }
    ```
    
    with these:
    
    ```toml
    codex-core = { path = "../core" }
    codex-common = { path = "../common", features = ["cli"] }
    ```
    
    Moving `format_duration()` into its own file gave it some "breathing
    room" to add a unit test, so I had Codex generate some tests and new
    support for durations over 1 minute.
  • feat: codex-linux-sandbox standalone executable (#740)
    This introduces a standalone executable that run the equivalent of the
    `codex debug landlock` subcommand and updates `rust-release.yml` to
    include it in the release.
    
    The idea is that we will include this small binary with the TypeScript
    CLI to provide support for Linux sandboxing.