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https://github.com/openai/codex.git
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## Why Unsupported features must fail closed and Codex must not expose OpenAI-hosted fallback paths when the active provider cannot support them. In practice, Bedrock should not surface app connectors, MCP servers, tool search/suggestions, image generation, web search, or JS REPL until those paths are explicitly supported for that provider. This PR moves that decision into provider-owned capability metadata instead of scattering Bedrock-specific checks across callers. ## What changed - Adds `ProviderCapabilities` to `codex-model-provider`, with default support for existing providers and a Bedrock override that disables unsupported launch surfaces. - Adds `ToolCapabilityBounds` to `codex-tools` so provider capability limits can clamp otherwise-enabled tool config. - Applies capability bounds when building session and review-thread tool config. - Routes MCP/app connector configuration through `McpManager::mcp_config`, which filters configured MCP servers and app connectors based on the active provider. - Updates app-server MCP list/read paths to use the filtered MCP config. - Adds coverage for default provider capabilities, Bedrock disabled capabilities, and optional tool-surface clamping. ## Testing built locally and verified that bedrock responses api now return without errors calling unsupported tools.
376 lines
14 KiB
Rust
376 lines
14 KiB
Rust
use crate::can_request_original_image_detail;
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use codex_features::Feature;
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use codex_features::Features;
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use codex_protocol::config_types::WebSearchConfig;
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use codex_protocol::config_types::WebSearchMode;
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use codex_protocol::config_types::WindowsSandboxLevel;
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use codex_protocol::models::PermissionProfile;
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use codex_protocol::openai_models::ApplyPatchToolType;
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use codex_protocol::openai_models::ConfigShellToolType;
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use codex_protocol::openai_models::InputModality;
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use codex_protocol::openai_models::ModelInfo;
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use codex_protocol::openai_models::ModelPreset;
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use codex_protocol::openai_models::WebSearchToolType;
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use codex_protocol::protocol::SessionSource;
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use codex_protocol::protocol::SubAgentSource;
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use codex_utils_absolute_path::AbsolutePathBuf;
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use std::path::PathBuf;
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#[derive(Debug, Clone, Copy, Eq, PartialEq)]
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pub enum ShellCommandBackendConfig {
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Classic,
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ZshFork,
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}
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#[derive(Debug, Clone, Copy, Eq, PartialEq)]
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pub enum ToolUserShellType {
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Zsh,
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Bash,
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PowerShell,
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Sh,
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Cmd,
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}
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub enum UnifiedExecShellMode {
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Direct,
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ZshFork(ZshForkConfig),
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}
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub struct ZshForkConfig {
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pub shell_zsh_path: AbsolutePathBuf,
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pub main_execve_wrapper_exe: AbsolutePathBuf,
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}
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impl UnifiedExecShellMode {
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pub fn for_session(
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shell_command_backend: ShellCommandBackendConfig,
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user_shell_type: ToolUserShellType,
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shell_zsh_path: Option<&PathBuf>,
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main_execve_wrapper_exe: Option<&PathBuf>,
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) -> Self {
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if cfg!(unix)
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&& shell_command_backend == ShellCommandBackendConfig::ZshFork
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&& matches!(user_shell_type, ToolUserShellType::Zsh)
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&& let (Some(shell_zsh_path), Some(main_execve_wrapper_exe)) =
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(shell_zsh_path, main_execve_wrapper_exe)
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&& let (Ok(shell_zsh_path), Ok(main_execve_wrapper_exe)) = (
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AbsolutePathBuf::try_from(shell_zsh_path.as_path()).inspect_err(|err| {
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tracing::warn!(
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"Failed to convert shell_zsh_path `{shell_zsh_path:?}`: {err:?}"
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)
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}),
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AbsolutePathBuf::try_from(main_execve_wrapper_exe.as_path()).inspect_err(
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|err| {
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tracing::warn!(
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"Failed to convert main_execve_wrapper_exe `{main_execve_wrapper_exe:?}`: {err:?}"
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)
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},
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),
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)
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{
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Self::ZshFork(ZshForkConfig {
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shell_zsh_path,
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main_execve_wrapper_exe,
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})
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} else {
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Self::Direct
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}
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}
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}
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#[derive(Debug, Clone)]
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pub struct ToolsConfig {
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pub available_models: Vec<ModelPreset>,
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pub shell_type: ConfigShellToolType,
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pub shell_command_backend: ShellCommandBackendConfig,
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pub unified_exec_shell_mode: UnifiedExecShellMode,
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pub has_environment: bool,
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pub allow_login_shell: bool,
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pub apply_patch_tool_type: Option<ApplyPatchToolType>,
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pub web_search_mode: Option<WebSearchMode>,
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pub web_search_config: Option<WebSearchConfig>,
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pub web_search_tool_type: WebSearchToolType,
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pub image_gen_tool: bool,
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pub search_tool: bool,
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pub namespace_tools: bool,
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pub tool_suggest: bool,
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pub exec_permission_approvals_enabled: bool,
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pub request_permissions_tool_enabled: bool,
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pub code_mode_enabled: bool,
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pub code_mode_only_enabled: bool,
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pub can_request_original_image_detail: bool,
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pub collab_tools: bool,
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pub goal_tools: bool,
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pub multi_agent_v2: bool,
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pub hide_spawn_agent_metadata: bool,
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pub spawn_agent_usage_hint: bool,
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pub spawn_agent_usage_hint_text: Option<String>,
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pub max_concurrent_threads_per_session: Option<usize>,
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pub wait_agent_min_timeout_ms: Option<i64>,
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pub default_mode_request_user_input: bool,
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pub experimental_supported_tools: Vec<String>,
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pub agent_jobs_tools: bool,
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pub agent_jobs_worker_tools: bool,
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pub agent_type_description: String,
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}
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pub struct ToolsConfigParams<'a> {
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pub model_info: &'a ModelInfo,
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pub available_models: &'a [ModelPreset],
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pub features: &'a Features,
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pub image_generation_tool_auth_allowed: bool,
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pub web_search_mode: Option<WebSearchMode>,
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pub session_source: SessionSource,
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pub permission_profile: &'a PermissionProfile,
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pub windows_sandbox_level: WindowsSandboxLevel,
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}
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impl ToolsConfig {
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pub fn new(params: &ToolsConfigParams<'_>) -> Self {
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let ToolsConfigParams {
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model_info,
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available_models,
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features,
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image_generation_tool_auth_allowed,
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web_search_mode,
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session_source,
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permission_profile,
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windows_sandbox_level,
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} = params;
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let include_apply_patch_tool = features.enabled(Feature::ApplyPatchFreeform);
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let include_code_mode = features.enabled(Feature::CodeMode);
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let include_code_mode_only = include_code_mode && features.enabled(Feature::CodeModeOnly);
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let include_collab_tools = features.enabled(Feature::Collab);
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let include_goal_tools = features.enabled(Feature::Goals);
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let include_multi_agent_v2 = features.enabled(Feature::MultiAgentV2);
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let include_agent_jobs = features.enabled(Feature::SpawnCsv);
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let include_default_mode_request_user_input =
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features.enabled(Feature::DefaultModeRequestUserInput);
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let include_search_tool =
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model_info.supports_search_tool && features.enabled(Feature::ToolSearch);
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let include_tool_suggest = features.enabled(Feature::ToolSuggest)
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&& features.enabled(Feature::Apps)
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&& features.enabled(Feature::Plugins);
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let include_original_image_detail = can_request_original_image_detail(model_info);
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// API-key auth bypasses Codex backend entitlement/tool normalization, so
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// callers must confirm ChatGPT auth before exposing the built-in tool.
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let include_image_gen_tool = *image_generation_tool_auth_allowed
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&& features.enabled(Feature::ImageGeneration)
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&& supports_image_generation(model_info);
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let exec_permission_approvals_enabled = features.enabled(Feature::ExecPermissionApprovals);
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let request_permissions_tool_enabled = features.enabled(Feature::RequestPermissionsTool);
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let shell_command_backend =
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if features.enabled(Feature::ShellTool) && features.enabled(Feature::ShellZshFork) {
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ShellCommandBackendConfig::ZshFork
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} else {
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ShellCommandBackendConfig::Classic
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};
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let unified_exec_allowed = unified_exec_allowed_in_environment(
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cfg!(target_os = "windows"),
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permission_profile,
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*windows_sandbox_level,
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);
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let shell_type = if !features.enabled(Feature::ShellTool) {
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ConfigShellToolType::Disabled
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} else if features.enabled(Feature::ShellZshFork) {
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ConfigShellToolType::ShellCommand
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} else if features.enabled(Feature::UnifiedExec) && unified_exec_allowed {
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if codex_utils_pty::conpty_supported() {
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ConfigShellToolType::UnifiedExec
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} else {
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ConfigShellToolType::ShellCommand
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}
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} else if model_info.shell_type == ConfigShellToolType::UnifiedExec && !unified_exec_allowed
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{
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ConfigShellToolType::ShellCommand
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} else {
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model_info.shell_type
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};
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let apply_patch_tool_type = match model_info.apply_patch_tool_type {
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Some(ApplyPatchToolType::Freeform) => Some(ApplyPatchToolType::Freeform),
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Some(ApplyPatchToolType::Function) => Some(ApplyPatchToolType::Function),
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None => include_apply_patch_tool.then_some(ApplyPatchToolType::Freeform),
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};
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let agent_jobs_worker_tools = include_agent_jobs
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&& matches!(
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session_source,
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SessionSource::SubAgent(SubAgentSource::Other(label))
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if label.starts_with("agent_job:")
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);
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Self {
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available_models: available_models.to_vec(),
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shell_type,
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shell_command_backend,
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unified_exec_shell_mode: UnifiedExecShellMode::Direct,
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has_environment: true,
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allow_login_shell: true,
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apply_patch_tool_type,
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web_search_mode: *web_search_mode,
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web_search_config: None,
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web_search_tool_type: model_info.web_search_tool_type,
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image_gen_tool: include_image_gen_tool,
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search_tool: include_search_tool,
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namespace_tools: true,
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tool_suggest: include_tool_suggest,
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exec_permission_approvals_enabled,
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request_permissions_tool_enabled,
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code_mode_enabled: include_code_mode,
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code_mode_only_enabled: include_code_mode_only,
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can_request_original_image_detail: include_original_image_detail,
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collab_tools: include_collab_tools,
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goal_tools: include_goal_tools,
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multi_agent_v2: include_multi_agent_v2,
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hide_spawn_agent_metadata: false,
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spawn_agent_usage_hint: true,
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spawn_agent_usage_hint_text: None,
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max_concurrent_threads_per_session: None,
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wait_agent_min_timeout_ms: None,
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default_mode_request_user_input: include_default_mode_request_user_input,
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experimental_supported_tools: model_info.experimental_supported_tools.clone(),
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agent_jobs_tools: include_agent_jobs,
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agent_jobs_worker_tools,
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agent_type_description: String::new(),
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}
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}
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pub fn with_agent_type_description(mut self, agent_type_description: String) -> Self {
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self.agent_type_description = agent_type_description;
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self
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}
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pub fn with_namespace_tools_capability(mut self, namespace_tools: bool) -> Self {
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if !namespace_tools {
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self.namespace_tools = false;
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}
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self
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}
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pub fn with_image_generation_capability(mut self, image_generation: bool) -> Self {
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if !image_generation {
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self.image_gen_tool = false;
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}
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self
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}
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pub fn with_web_search_capability(mut self, web_search: bool) -> Self {
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if !web_search {
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self.web_search_mode = None;
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}
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self
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}
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pub fn with_spawn_agent_usage_hint(mut self, spawn_agent_usage_hint: bool) -> Self {
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self.spawn_agent_usage_hint = spawn_agent_usage_hint;
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self
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}
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pub fn with_spawn_agent_usage_hint_text(
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mut self,
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spawn_agent_usage_hint_text: Option<String>,
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) -> Self {
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self.spawn_agent_usage_hint_text = spawn_agent_usage_hint_text;
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self
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}
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pub fn with_hide_spawn_agent_metadata(mut self, hide_spawn_agent_metadata: bool) -> Self {
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self.hide_spawn_agent_metadata = hide_spawn_agent_metadata;
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self
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}
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pub fn with_goal_tools_allowed(mut self, allowed: bool) -> Self {
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self.goal_tools = self.goal_tools && allowed;
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self
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}
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pub fn with_max_concurrent_threads_per_session(
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mut self,
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max_concurrent_threads_per_session: Option<usize>,
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) -> Self {
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self.max_concurrent_threads_per_session = max_concurrent_threads_per_session;
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self
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}
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pub fn with_wait_agent_min_timeout_ms(
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mut self,
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wait_agent_min_timeout_ms: Option<i64>,
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) -> Self {
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self.wait_agent_min_timeout_ms = wait_agent_min_timeout_ms;
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self
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}
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pub fn with_allow_login_shell(mut self, allow_login_shell: bool) -> Self {
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self.allow_login_shell = allow_login_shell;
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self
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}
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pub fn with_has_environment(mut self, has_environment: bool) -> Self {
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self.has_environment = has_environment;
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self
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}
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pub fn with_unified_exec_shell_mode(
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mut self,
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unified_exec_shell_mode: UnifiedExecShellMode,
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) -> Self {
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self.unified_exec_shell_mode = unified_exec_shell_mode;
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self
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}
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pub fn with_unified_exec_shell_mode_for_session(
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mut self,
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user_shell_type: ToolUserShellType,
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shell_zsh_path: Option<&PathBuf>,
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main_execve_wrapper_exe: Option<&PathBuf>,
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) -> Self {
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self.unified_exec_shell_mode = UnifiedExecShellMode::for_session(
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self.shell_command_backend,
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user_shell_type,
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shell_zsh_path,
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main_execve_wrapper_exe,
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);
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self
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}
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pub fn with_web_search_config(mut self, web_search_config: Option<WebSearchConfig>) -> Self {
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self.web_search_config = web_search_config;
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self
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}
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pub fn for_code_mode_nested_tools(&self) -> Self {
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let mut nested = self.clone();
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nested.code_mode_enabled = false;
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nested.code_mode_only_enabled = false;
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nested
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}
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}
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fn supports_image_generation(model_info: &ModelInfo) -> bool {
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model_info.input_modalities.contains(&InputModality::Image)
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}
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fn unified_exec_allowed_in_environment(
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is_windows: bool,
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permission_profile: &PermissionProfile,
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windows_sandbox_level: WindowsSandboxLevel,
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) -> bool {
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let managed_sandbox_required = match permission_profile {
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PermissionProfile::Managed {
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file_system,
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network,
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} => !file_system.to_sandbox_policy().has_full_disk_write_access() || !network.is_enabled(),
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PermissionProfile::Disabled | PermissionProfile::External { .. } => false,
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};
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!(is_windows
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&& windows_sandbox_level != WindowsSandboxLevel::Disabled
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&& managed_sandbox_required)
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}
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#[cfg(test)]
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#[path = "tool_config_tests.rs"]
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mod tests;
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